From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/video/fbdev/omap2/omapfb/dss/Kconfig       |  111 +
 drivers/video/fbdev/omap2/omapfb/dss/Makefile      |   18 +
 drivers/video/fbdev/omap2/omapfb/dss/apply.c       | 1689 ++++++
 drivers/video/fbdev/omap2/omapfb/dss/core.c        |  288 +
 .../video/fbdev/omap2/omapfb/dss/dispc-compat.c    |  657 +++
 .../video/fbdev/omap2/omapfb/dss/dispc-compat.h    |   19 +
 drivers/video/fbdev/omap2/omapfb/dss/dispc.c       | 4093 ++++++++++++++
 drivers/video/fbdev/omap2/omapfb/dss/dispc.h       |  907 ++++
 drivers/video/fbdev/omap2/omapfb/dss/dispc_coefs.c |  314 ++
 .../video/fbdev/omap2/omapfb/dss/display-sysfs.c   |  346 ++
 drivers/video/fbdev/omap2/omapfb/dss/display.c     |  327 ++
 drivers/video/fbdev/omap2/omapfb/dss/dpi.c         |  888 ++++
 drivers/video/fbdev/omap2/omapfb/dss/dsi.c         | 5585 ++++++++++++++++++++
 drivers/video/fbdev/omap2/omapfb/dss/dss-of.c      |  176 +
 drivers/video/fbdev/omap2/omapfb/dss/dss.c         | 1299 +++++
 drivers/video/fbdev/omap2/omapfb/dss/dss.h         |  522 ++
 .../video/fbdev/omap2/omapfb/dss/dss_features.c    |  939 ++++
 .../video/fbdev/omap2/omapfb/dss/dss_features.h    |   97 +
 drivers/video/fbdev/omap2/omapfb/dss/hdmi.h        |  360 ++
 drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c       |  812 +++
 drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.c  |  885 ++++
 drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.h  |  262 +
 drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c       |  854 +++
 drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c  |  897 ++++
 drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.h  |  293 +
 drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c |  149 +
 drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c    |  221 +
 drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c    |  235 +
 drivers/video/fbdev/omap2/omapfb/dss/hdmi_wp.c     |  281 +
 .../video/fbdev/omap2/omapfb/dss/manager-sysfs.c   |  515 ++
 drivers/video/fbdev/omap2/omapfb/dss/manager.c     |  251 +
 .../fbdev/omap2/omapfb/dss/omapdss-boot-init.c     |  218 +
 drivers/video/fbdev/omap2/omapfb/dss/output.c      |  256 +
 .../video/fbdev/omap2/omapfb/dss/overlay-sysfs.c   |  446 ++
 drivers/video/fbdev/omap2/omapfb/dss/overlay.c     |  191 +
 drivers/video/fbdev/omap2/omapfb/dss/pll.c         |  378 ++
 drivers/video/fbdev/omap2/omapfb/dss/sdi.c         |  443 ++
 drivers/video/fbdev/omap2/omapfb/dss/venc.c        |  942 ++++
 drivers/video/fbdev/omap2/omapfb/dss/video-pll.c   |  189 +
 39 files changed, 27353 insertions(+)
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/Kconfig
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/Makefile
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/apply.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/core.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.h
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dispc.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dispc.h
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dispc_coefs.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/display.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dpi.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dsi.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dss.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dss.h
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dss_features.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/dss_features.h
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi.h
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.h
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.h
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/hdmi_wp.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/manager.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/output.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/overlay.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/pll.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/sdi.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/venc.c
 create mode 100644 drivers/video/fbdev/omap2/omapfb/dss/video-pll.c

(limited to 'drivers/video/fbdev/omap2/omapfb/dss')

diff --git a/drivers/video/fbdev/omap2/omapfb/dss/Kconfig b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig
new file mode 100644
index 000000000..cc81a1953
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig
@@ -0,0 +1,111 @@
+# SPDX-License-Identifier: GPL-2.0
+config FB_OMAP2_DSS_INIT
+	bool
+
+config FB_OMAP2_DSS
+	tristate
+	select VIDEOMODE_HELPERS
+	select FB_OMAP2_DSS_INIT
+	select HDMI
+
+config FB_OMAP2_DSS_DEBUG
+	bool "Debug support"
+	help
+	  This enables printing of debug messages. Alternatively, debug messages
+	  can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
+	  appropriate flags in <debugfs>/dynamic_debug/control.
+
+config FB_OMAP2_DSS_DEBUGFS
+	bool "Debugfs filesystem support"
+	depends on DEBUG_FS
+	help
+	  This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
+	  querying about clock configuration and register configuration of dss,
+	  dispc, dsi, hdmi and rfbi.
+
+config FB_OMAP2_DSS_COLLECT_IRQ_STATS
+	bool "Collect DSS IRQ statistics"
+	depends on FB_OMAP2_DSS_DEBUGFS
+	help
+	  Collect DSS IRQ statistics, printable via debugfs.
+
+	  The statistics can be found from
+	  <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
+	  <debugfs>/omapdss/dsi_irq for DSI interrupts.
+
+config FB_OMAP2_DSS_DPI
+	bool "DPI support"
+	default y
+	help
+	  DPI Interface. This is the Parallel Display Interface.
+
+config FB_OMAP2_DSS_VENC
+	bool "VENC support"
+	default y
+	help
+	  OMAP Video Encoder support for S-Video and composite TV-out.
+
+config FB_OMAP2_DSS_HDMI_COMMON
+	bool
+
+config FB_OMAP4_DSS_HDMI
+	bool "HDMI support for OMAP4"
+	default y
+	select FB_OMAP2_DSS_HDMI_COMMON
+	help
+	  HDMI support for OMAP4 based SoCs.
+
+config FB_OMAP5_DSS_HDMI
+	bool "HDMI support for OMAP5"
+	select FB_OMAP2_DSS_HDMI_COMMON
+	help
+	  HDMI Interface for OMAP5 and similar cores. This adds the High
+	  Definition Multimedia Interface. See https://www.hdmi.org/ for HDMI
+	  specification.
+
+config FB_OMAP2_DSS_SDI
+	bool "SDI support"
+	help
+	  SDI (Serial Display Interface) support.
+
+	  SDI is a high speed one-way display serial bus between the host
+	  processor and a display.
+
+config FB_OMAP2_DSS_DSI
+	bool "DSI support"
+	help
+	  MIPI DSI (Display Serial Interface) support.
+
+	  DSI is a high speed half-duplex serial interface between the host
+	  processor and a peripheral, such as a display or a framebuffer chip.
+
+	  See https://www.mipi.org/ for DSI specifications.
+
+config FB_OMAP2_DSS_MIN_FCK_PER_PCK
+	int "Minimum FCK/PCK ratio (for scaling)"
+	range 0 32
+	default 0
+	help
+	  This can be used to adjust the minimum FCK/PCK ratio.
+
+	  With this you can make sure that DISPC FCK is at least
+	  n x PCK. Video plane scaling requires higher FCK than
+	  normally.
+
+	  If this is set to 0, there's no extra constraint on the
+	  DISPC FCK. However, the FCK will at minimum be
+	  2xPCK (if active matrix) or 3xPCK (if passive matrix).
+
+	  Max FCK is 173MHz, so this doesn't work if your PCK
+	  is very high.
+
+config FB_OMAP2_DSS_SLEEP_AFTER_VENC_RESET
+	bool "Sleep 20ms after VENC reset"
+	default y
+	help
+	  There is a 20ms sleep after VENC reset which seemed to fix the
+	  reset. The reason for the bug is unclear, and it's also unclear
+	  on what platforms this happens.
+
+	  This option enables the sleep, and is enabled by default. You can
+	  disable the sleep if it doesn't cause problems on your platform.
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/Makefile b/drivers/video/fbdev/omap2/omapfb/dss/Makefile
new file mode 100644
index 000000000..eb3689ae8
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/Makefile
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_FB_OMAP2_DSS_INIT) += omapdss-boot-init.o
+obj-$(CONFIG_FB_OMAP2_DSS) += omapdss.o
+# Core DSS files
+omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \
+	output.o dss-of.o pll.o video-pll.o
+# DSS compat layer files
+omapdss-y += manager.o manager-sysfs.o overlay.o overlay-sysfs.o apply.o \
+	dispc-compat.o display-sysfs.o
+omapdss-$(CONFIG_FB_OMAP2_DSS_DPI) += dpi.o
+omapdss-$(CONFIG_FB_OMAP2_DSS_VENC) += venc.o
+omapdss-$(CONFIG_FB_OMAP2_DSS_SDI) += sdi.o
+omapdss-$(CONFIG_FB_OMAP2_DSS_DSI) += dsi.o
+omapdss-$(CONFIG_FB_OMAP2_DSS_HDMI_COMMON) += hdmi_common.o hdmi_wp.o hdmi_pll.o \
+	hdmi_phy.o
+omapdss-$(CONFIG_FB_OMAP4_DSS_HDMI) += hdmi4.o hdmi4_core.o
+omapdss-$(CONFIG_FB_OMAP5_DSS_HDMI) += hdmi5.o hdmi5_core.o
+ccflags-$(CONFIG_FB_OMAP2_DSS_DEBUG) += -DDEBUG
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/apply.c b/drivers/video/fbdev/omap2/omapfb/dss/apply.c
new file mode 100644
index 000000000..acca991c7
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/apply.c
@@ -0,0 +1,1689 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ */
+
+#define DSS_SUBSYS_NAME "APPLY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/jiffies.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+#include "dispc-compat.h"
+
+/*
+ * We have 4 levels of cache for the dispc settings. First two are in SW and
+ * the latter two in HW.
+ *
+ *       set_info()
+ *          v
+ * +--------------------+
+ * |     user_info      |
+ * +--------------------+
+ *          v
+ *        apply()
+ *          v
+ * +--------------------+
+ * |       info         |
+ * +--------------------+
+ *          v
+ *      write_regs()
+ *          v
+ * +--------------------+
+ * |  shadow registers  |
+ * +--------------------+
+ *          v
+ * VFP or lcd/digit_enable
+ *          v
+ * +--------------------+
+ * |      registers     |
+ * +--------------------+
+ */
+
+struct ovl_priv_data {
+
+	bool user_info_dirty;
+	struct omap_overlay_info user_info;
+
+	bool info_dirty;
+	struct omap_overlay_info info;
+
+	bool shadow_info_dirty;
+
+	bool extra_info_dirty;
+	bool shadow_extra_info_dirty;
+
+	bool enabled;
+	u32 fifo_low, fifo_high;
+
+	/*
+	 * True if overlay is to be enabled. Used to check and calculate configs
+	 * for the overlay before it is enabled in the HW.
+	 */
+	bool enabling;
+};
+
+struct mgr_priv_data {
+
+	bool user_info_dirty;
+	struct omap_overlay_manager_info user_info;
+
+	bool info_dirty;
+	struct omap_overlay_manager_info info;
+
+	bool shadow_info_dirty;
+
+	/* If true, GO bit is up and shadow registers cannot be written.
+	 * Never true for manual update displays */
+	bool busy;
+
+	/* If true, dispc output is enabled */
+	bool updating;
+
+	/* If true, a display is enabled using this manager */
+	bool enabled;
+
+	bool extra_info_dirty;
+	bool shadow_extra_info_dirty;
+
+	struct omap_video_timings timings;
+	struct dss_lcd_mgr_config lcd_config;
+
+	void (*framedone_handler)(void *);
+	void *framedone_handler_data;
+};
+
+static struct {
+	struct ovl_priv_data ovl_priv_data_array[MAX_DSS_OVERLAYS];
+	struct mgr_priv_data mgr_priv_data_array[MAX_DSS_MANAGERS];
+
+	bool irq_enabled;
+} dss_data;
+
+/* protects dss_data */
+static DEFINE_SPINLOCK(data_lock);
+/* lock for blocking functions */
+static DEFINE_MUTEX(apply_lock);
+static DECLARE_COMPLETION(extra_updated_completion);
+
+static void dss_register_vsync_isr(void);
+
+static struct ovl_priv_data *get_ovl_priv(struct omap_overlay *ovl)
+{
+	return &dss_data.ovl_priv_data_array[ovl->id];
+}
+
+static struct mgr_priv_data *get_mgr_priv(struct omap_overlay_manager *mgr)
+{
+	return &dss_data.mgr_priv_data_array[mgr->id];
+}
+
+static void apply_init_priv(void)
+{
+	const int num_ovls = dss_feat_get_num_ovls();
+	struct mgr_priv_data *mp;
+	int i;
+
+	for (i = 0; i < num_ovls; ++i) {
+		struct ovl_priv_data *op;
+
+		op = &dss_data.ovl_priv_data_array[i];
+
+		op->info.color_mode = OMAP_DSS_COLOR_RGB16;
+		op->info.rotation_type = OMAP_DSS_ROT_DMA;
+
+		op->info.global_alpha = 255;
+
+		switch (i) {
+		case 0:
+			op->info.zorder = 0;
+			break;
+		case 1:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 3 : 0;
+			break;
+		case 2:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 2 : 0;
+			break;
+		case 3:
+			op->info.zorder =
+				dss_has_feature(FEAT_ALPHA_FREE_ZORDER) ? 1 : 0;
+			break;
+		}
+
+		op->user_info = op->info;
+	}
+
+	/*
+	 * Initialize some of the lcd_config fields for TV manager, this lets
+	 * us prevent checking if the manager is LCD or TV at some places
+	 */
+	mp = &dss_data.mgr_priv_data_array[OMAP_DSS_CHANNEL_DIGIT];
+
+	mp->lcd_config.video_port_width = 24;
+	mp->lcd_config.clock_info.lck_div = 1;
+	mp->lcd_config.clock_info.pck_div = 1;
+}
+
+/*
+ * A LCD manager's stallmode decides whether it is in manual or auto update. TV
+ * manager is always auto update, stallmode field for TV manager is false by
+ * default
+ */
+static bool ovl_manual_update(struct omap_overlay *ovl)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(ovl->manager);
+
+	return mp->lcd_config.stallmode;
+}
+
+static bool mgr_manual_update(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	return mp->lcd_config.stallmode;
+}
+
+static int dss_check_settings_low(struct omap_overlay_manager *mgr,
+		bool applying)
+{
+	struct omap_overlay_info *oi;
+	struct omap_overlay_manager_info *mi;
+	struct omap_overlay *ovl;
+	struct omap_overlay_info *ois[MAX_DSS_OVERLAYS];
+	struct ovl_priv_data *op;
+	struct mgr_priv_data *mp;
+
+	mp = get_mgr_priv(mgr);
+
+	if (!mp->enabled)
+		return 0;
+
+	if (applying && mp->user_info_dirty)
+		mi = &mp->user_info;
+	else
+		mi = &mp->info;
+
+	/* collect the infos to be tested into the array */
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		op = get_ovl_priv(ovl);
+
+		if (!op->enabled && !op->enabling)
+			oi = NULL;
+		else if (applying && op->user_info_dirty)
+			oi = &op->user_info;
+		else
+			oi = &op->info;
+
+		ois[ovl->id] = oi;
+	}
+
+	return dss_mgr_check(mgr, mi, &mp->timings, &mp->lcd_config, ois);
+}
+
+/*
+ * check manager and overlay settings using overlay_info from data->info
+ */
+static int dss_check_settings(struct omap_overlay_manager *mgr)
+{
+	return dss_check_settings_low(mgr, false);
+}
+
+/*
+ * check manager and overlay settings using overlay_info from ovl->info if
+ * dirty and from data->info otherwise
+ */
+static int dss_check_settings_apply(struct omap_overlay_manager *mgr)
+{
+	return dss_check_settings_low(mgr, true);
+}
+
+static bool need_isr(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+		struct omap_overlay *ovl;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled)
+			continue;
+
+		if (mgr_manual_update(mgr)) {
+			/* to catch FRAMEDONE */
+			if (mp->updating)
+				return true;
+		} else {
+			/* to catch GO bit going down */
+			if (mp->busy)
+				return true;
+
+			/* to write new values to registers */
+			if (mp->info_dirty)
+				return true;
+
+			/* to set GO bit */
+			if (mp->shadow_info_dirty)
+				return true;
+
+			/*
+			 * NOTE: we don't check extra_info flags for disabled
+			 * managers, once the manager is enabled, the extra_info
+			 * related manager changes will be taken in by HW.
+			 */
+
+			/* to write new values to registers */
+			if (mp->extra_info_dirty)
+				return true;
+
+			/* to set GO bit */
+			if (mp->shadow_extra_info_dirty)
+				return true;
+
+			list_for_each_entry(ovl, &mgr->overlays, list) {
+				struct ovl_priv_data *op;
+
+				op = get_ovl_priv(ovl);
+
+				/*
+				 * NOTE: we check extra_info flags even for
+				 * disabled overlays, as extra_infos need to be
+				 * always written.
+				 */
+
+				/* to write new values to registers */
+				if (op->extra_info_dirty)
+					return true;
+
+				/* to set GO bit */
+				if (op->shadow_extra_info_dirty)
+					return true;
+
+				if (!op->enabled)
+					continue;
+
+				/* to write new values to registers */
+				if (op->info_dirty)
+					return true;
+
+				/* to set GO bit */
+				if (op->shadow_info_dirty)
+					return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+static bool need_go(struct omap_overlay_manager *mgr)
+{
+	struct omap_overlay *ovl;
+	struct mgr_priv_data *mp;
+	struct ovl_priv_data *op;
+
+	mp = get_mgr_priv(mgr);
+
+	if (mp->shadow_info_dirty || mp->shadow_extra_info_dirty)
+		return true;
+
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		op = get_ovl_priv(ovl);
+		if (op->shadow_info_dirty || op->shadow_extra_info_dirty)
+			return true;
+	}
+
+	return false;
+}
+
+/* returns true if an extra_info field is currently being updated */
+static bool extra_info_update_ongoing(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct omap_overlay *ovl;
+		struct mgr_priv_data *mp;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled)
+			continue;
+
+		if (!mp->updating)
+			continue;
+
+		if (mp->extra_info_dirty || mp->shadow_extra_info_dirty)
+			return true;
+
+		list_for_each_entry(ovl, &mgr->overlays, list) {
+			struct ovl_priv_data *op = get_ovl_priv(ovl);
+
+			if (op->extra_info_dirty || op->shadow_extra_info_dirty)
+				return true;
+		}
+	}
+
+	return false;
+}
+
+/* wait until no extra_info updates are pending */
+static void wait_pending_extra_info_updates(void)
+{
+	bool updating;
+	unsigned long flags;
+	unsigned long t;
+	int r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	updating = extra_info_update_ongoing();
+
+	if (!updating) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		return;
+	}
+
+	init_completion(&extra_updated_completion);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	t = msecs_to_jiffies(500);
+	r = wait_for_completion_timeout(&extra_updated_completion, t);
+	if (r == 0)
+		DSSWARN("timeout in wait_pending_extra_info_updates\n");
+}
+
+static struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_manager *mgr)
+{
+	struct omap_dss_device *dssdev;
+
+	dssdev = mgr->output;
+	if (dssdev == NULL)
+		return NULL;
+
+	while (dssdev->dst)
+		dssdev = dssdev->dst;
+
+	if (dssdev->driver)
+		return dssdev;
+	else
+		return NULL;
+}
+
+static struct omap_dss_device *dss_ovl_get_device(struct omap_overlay *ovl)
+{
+	return ovl->manager ? dss_mgr_get_device(ovl->manager) : NULL;
+}
+
+static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
+{
+	unsigned long timeout = msecs_to_jiffies(500);
+	u32 irq;
+	int r;
+
+	if (mgr->output == NULL)
+		return -ENODEV;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	switch (mgr->output->id) {
+	case OMAP_DSS_OUTPUT_VENC:
+		irq = DISPC_IRQ_EVSYNC_ODD;
+		break;
+	case OMAP_DSS_OUTPUT_HDMI:
+		irq = DISPC_IRQ_EVSYNC_EVEN;
+		break;
+	default:
+		irq = dispc_mgr_get_vsync_irq(mgr->id);
+		break;
+	}
+
+	r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+
+	dispc_runtime_put();
+
+	return r;
+}
+
+static int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr)
+{
+	unsigned long timeout = msecs_to_jiffies(500);
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	u32 irq;
+	unsigned long flags;
+	int r;
+	int i;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (mgr_manual_update(mgr)) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		return 0;
+	}
+
+	if (!mp->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		return 0;
+	}
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	irq = dispc_mgr_get_vsync_irq(mgr->id);
+
+	i = 0;
+	while (1) {
+		bool shadow_dirty, dirty;
+
+		spin_lock_irqsave(&data_lock, flags);
+		dirty = mp->info_dirty;
+		shadow_dirty = mp->shadow_info_dirty;
+		spin_unlock_irqrestore(&data_lock, flags);
+
+		if (!dirty && !shadow_dirty) {
+			r = 0;
+			break;
+		}
+
+		/* 4 iterations is the worst case:
+		 * 1 - initial iteration, dirty = true (between VFP and VSYNC)
+		 * 2 - first VSYNC, dirty = true
+		 * 3 - dirty = false, shadow_dirty = true
+		 * 4 - shadow_dirty = false */
+		if (i++ == 3) {
+			DSSERR("mgr(%d)->wait_for_go() not finishing\n",
+					mgr->id);
+			r = 0;
+			break;
+		}
+
+		r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+		if (r == -ERESTARTSYS)
+			break;
+
+		if (r) {
+			DSSERR("mgr(%d)->wait_for_go() timeout\n", mgr->id);
+			break;
+		}
+	}
+
+	dispc_runtime_put();
+
+	return r;
+}
+
+static int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl)
+{
+	unsigned long timeout = msecs_to_jiffies(500);
+	struct ovl_priv_data *op;
+	struct mgr_priv_data *mp;
+	u32 irq;
+	unsigned long flags;
+	int r;
+	int i;
+
+	if (!ovl->manager)
+		return 0;
+
+	mp = get_mgr_priv(ovl->manager);
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (ovl_manual_update(ovl)) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		return 0;
+	}
+
+	if (!mp->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		return 0;
+	}
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	irq = dispc_mgr_get_vsync_irq(ovl->manager->id);
+
+	op = get_ovl_priv(ovl);
+	i = 0;
+	while (1) {
+		bool shadow_dirty, dirty;
+
+		spin_lock_irqsave(&data_lock, flags);
+		dirty = op->info_dirty;
+		shadow_dirty = op->shadow_info_dirty;
+		spin_unlock_irqrestore(&data_lock, flags);
+
+		if (!dirty && !shadow_dirty) {
+			r = 0;
+			break;
+		}
+
+		/* 4 iterations is the worst case:
+		 * 1 - initial iteration, dirty = true (between VFP and VSYNC)
+		 * 2 - first VSYNC, dirty = true
+		 * 3 - dirty = false, shadow_dirty = true
+		 * 4 - shadow_dirty = false */
+		if (i++ == 3) {
+			DSSERR("ovl(%d)->wait_for_go() not finishing\n",
+					ovl->id);
+			r = 0;
+			break;
+		}
+
+		r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);
+		if (r == -ERESTARTSYS)
+			break;
+
+		if (r) {
+			DSSERR("ovl(%d)->wait_for_go() timeout\n", ovl->id);
+			break;
+		}
+	}
+
+	dispc_runtime_put();
+
+	return r;
+}
+
+static void dss_ovl_write_regs(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	struct omap_overlay_info *oi;
+	bool replication;
+	struct mgr_priv_data *mp;
+	int r;
+
+	DSSDBG("writing ovl %d regs\n", ovl->id);
+
+	if (!op->enabled || !op->info_dirty)
+		return;
+
+	oi = &op->info;
+
+	mp = get_mgr_priv(ovl->manager);
+
+	replication = dss_ovl_use_replication(mp->lcd_config, oi->color_mode);
+
+	r = dispc_ovl_setup(ovl->id, oi, replication, &mp->timings, false);
+	if (r) {
+		/*
+		 * We can't do much here, as this function can be called from
+		 * vsync interrupt.
+		 */
+		DSSERR("dispc_ovl_setup failed for ovl %d\n", ovl->id);
+
+		/* This will leave fifo configurations in a nonoptimal state */
+		op->enabled = false;
+		dispc_ovl_enable(ovl->id, false);
+		return;
+	}
+
+	op->info_dirty = false;
+	if (mp->updating)
+		op->shadow_info_dirty = true;
+}
+
+static void dss_ovl_write_regs_extra(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	struct mgr_priv_data *mp;
+
+	DSSDBG("writing ovl %d regs extra\n", ovl->id);
+
+	if (!op->extra_info_dirty)
+		return;
+
+	/* note: write also when op->enabled == false, so that the ovl gets
+	 * disabled */
+
+	dispc_ovl_enable(ovl->id, op->enabled);
+	dispc_ovl_set_fifo_threshold(ovl->id, op->fifo_low, op->fifo_high);
+
+	mp = get_mgr_priv(ovl->manager);
+
+	op->extra_info_dirty = false;
+	if (mp->updating)
+		op->shadow_extra_info_dirty = true;
+}
+
+static void dss_mgr_write_regs(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	struct omap_overlay *ovl;
+
+	DSSDBG("writing mgr %d regs\n", mgr->id);
+
+	if (!mp->enabled)
+		return;
+
+	WARN_ON(mp->busy);
+
+	/* Commit overlay settings */
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		dss_ovl_write_regs(ovl);
+		dss_ovl_write_regs_extra(ovl);
+	}
+
+	if (mp->info_dirty) {
+		dispc_mgr_setup(mgr->id, &mp->info);
+
+		mp->info_dirty = false;
+		if (mp->updating)
+			mp->shadow_info_dirty = true;
+	}
+}
+
+static void dss_mgr_write_regs_extra(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	DSSDBG("writing mgr %d regs extra\n", mgr->id);
+
+	if (!mp->extra_info_dirty)
+		return;
+
+	dispc_mgr_set_timings(mgr->id, &mp->timings);
+
+	/* lcd_config parameters */
+	if (dss_mgr_is_lcd(mgr->id))
+		dispc_mgr_set_lcd_config(mgr->id, &mp->lcd_config);
+
+	mp->extra_info_dirty = false;
+	if (mp->updating)
+		mp->shadow_extra_info_dirty = true;
+}
+
+static void dss_write_regs(void)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+		int r;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled || mgr_manual_update(mgr) || mp->busy)
+			continue;
+
+		r = dss_check_settings(mgr);
+		if (r) {
+			DSSERR("cannot write registers for manager %s: "
+					"illegal configuration\n", mgr->name);
+			continue;
+		}
+
+		dss_mgr_write_regs(mgr);
+		dss_mgr_write_regs_extra(mgr);
+	}
+}
+
+static void dss_set_go_bits(void)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled || mgr_manual_update(mgr) || mp->busy)
+			continue;
+
+		if (!need_go(mgr))
+			continue;
+
+		mp->busy = true;
+
+		if (!dss_data.irq_enabled && need_isr())
+			dss_register_vsync_isr();
+
+		dispc_mgr_go(mgr->id);
+	}
+
+}
+
+static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr)
+{
+	struct omap_overlay *ovl;
+	struct mgr_priv_data *mp;
+	struct ovl_priv_data *op;
+
+	mp = get_mgr_priv(mgr);
+	mp->shadow_info_dirty = false;
+	mp->shadow_extra_info_dirty = false;
+
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		op = get_ovl_priv(ovl);
+		op->shadow_info_dirty = false;
+		op->shadow_extra_info_dirty = false;
+	}
+}
+
+static int dss_mgr_connect_compat(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst)
+{
+	return mgr->set_output(mgr, dst);
+}
+
+static void dss_mgr_disconnect_compat(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst)
+{
+	mgr->unset_output(mgr);
+}
+
+static void dss_mgr_start_update_compat(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	WARN_ON(mp->updating);
+
+	r = dss_check_settings(mgr);
+	if (r) {
+		DSSERR("cannot start manual update: illegal configuration\n");
+		spin_unlock_irqrestore(&data_lock, flags);
+		return;
+	}
+
+	dss_mgr_write_regs(mgr);
+	dss_mgr_write_regs_extra(mgr);
+
+	mp->updating = true;
+
+	if (!dss_data.irq_enabled && need_isr())
+		dss_register_vsync_isr();
+
+	dispc_mgr_enable_sync(mgr->id);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+static void dss_apply_irq_handler(void *data, u32 mask);
+
+static void dss_register_vsync_isr(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	u32 mask;
+	int r, i;
+
+	mask = 0;
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_vsync_irq(i);
+
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_framedone_irq(i);
+
+	r = omap_dispc_register_isr(dss_apply_irq_handler, NULL, mask);
+	WARN_ON(r);
+
+	dss_data.irq_enabled = true;
+}
+
+static void dss_unregister_vsync_isr(void)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	u32 mask;
+	int r, i;
+
+	mask = 0;
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_vsync_irq(i);
+
+	for (i = 0; i < num_mgrs; ++i)
+		mask |= dispc_mgr_get_framedone_irq(i);
+
+	r = omap_dispc_unregister_isr(dss_apply_irq_handler, NULL, mask);
+	WARN_ON(r);
+
+	dss_data.irq_enabled = false;
+}
+
+static void dss_apply_irq_handler(void *data, u32 mask)
+{
+	const int num_mgrs = dss_feat_get_num_mgrs();
+	int i;
+	bool extra_updating;
+
+	spin_lock(&data_lock);
+
+	/* clear busy, updating flags, shadow_dirty flags */
+	for (i = 0; i < num_mgrs; i++) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mp->enabled)
+			continue;
+
+		mp->updating = dispc_mgr_is_enabled(i);
+
+		if (!mgr_manual_update(mgr)) {
+			bool was_busy = mp->busy;
+			mp->busy = dispc_mgr_go_busy(i);
+
+			if (was_busy && !mp->busy)
+				mgr_clear_shadow_dirty(mgr);
+		}
+	}
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	extra_updating = extra_info_update_ongoing();
+	if (!extra_updating)
+		complete_all(&extra_updated_completion);
+
+	/* call framedone handlers for manual update displays */
+	for (i = 0; i < num_mgrs; i++) {
+		struct omap_overlay_manager *mgr;
+		struct mgr_priv_data *mp;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		mp = get_mgr_priv(mgr);
+
+		if (!mgr_manual_update(mgr) || !mp->framedone_handler)
+			continue;
+
+		if (mask & dispc_mgr_get_framedone_irq(i))
+			mp->framedone_handler(mp->framedone_handler_data);
+	}
+
+	if (!need_isr())
+		dss_unregister_vsync_isr();
+
+	spin_unlock(&data_lock);
+}
+
+static void omap_dss_mgr_apply_ovl(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op;
+
+	op = get_ovl_priv(ovl);
+
+	if (!op->user_info_dirty)
+		return;
+
+	op->user_info_dirty = false;
+	op->info_dirty = true;
+	op->info = op->user_info;
+}
+
+static void omap_dss_mgr_apply_mgr(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp;
+
+	mp = get_mgr_priv(mgr);
+
+	if (!mp->user_info_dirty)
+		return;
+
+	mp->user_info_dirty = false;
+	mp->info_dirty = true;
+	mp->info = mp->user_info;
+}
+
+static int omap_dss_mgr_apply(struct omap_overlay_manager *mgr)
+{
+	unsigned long flags;
+	struct omap_overlay *ovl;
+	int r;
+
+	DSSDBG("omap_dss_mgr_apply(%s)\n", mgr->name);
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	r = dss_check_settings_apply(mgr);
+	if (r) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		DSSERR("failed to apply settings: illegal configuration.\n");
+		return r;
+	}
+
+	/* Configure overlays */
+	list_for_each_entry(ovl, &mgr->overlays, list)
+		omap_dss_mgr_apply_ovl(ovl);
+
+	/* Configure manager */
+	omap_dss_mgr_apply_mgr(mgr);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return 0;
+}
+
+static void dss_apply_ovl_enable(struct omap_overlay *ovl, bool enable)
+{
+	struct ovl_priv_data *op;
+
+	op = get_ovl_priv(ovl);
+
+	if (op->enabled == enable)
+		return;
+
+	op->enabled = enable;
+	op->extra_info_dirty = true;
+}
+
+static void dss_apply_ovl_fifo_thresholds(struct omap_overlay *ovl,
+		u32 fifo_low, u32 fifo_high)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+
+	if (op->fifo_low == fifo_low && op->fifo_high == fifo_high)
+		return;
+
+	op->fifo_low = fifo_low;
+	op->fifo_high = fifo_high;
+	op->extra_info_dirty = true;
+}
+
+static void dss_ovl_setup_fifo(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	u32 fifo_low, fifo_high;
+	bool use_fifo_merge = false;
+
+	if (!op->enabled && !op->enabling)
+		return;
+
+	dispc_ovl_compute_fifo_thresholds(ovl->id, &fifo_low, &fifo_high,
+			use_fifo_merge, ovl_manual_update(ovl));
+
+	dss_apply_ovl_fifo_thresholds(ovl, fifo_low, fifo_high);
+}
+
+static void dss_mgr_setup_fifos(struct omap_overlay_manager *mgr)
+{
+	struct omap_overlay *ovl;
+	struct mgr_priv_data *mp;
+
+	mp = get_mgr_priv(mgr);
+
+	if (!mp->enabled)
+		return;
+
+	list_for_each_entry(ovl, &mgr->overlays, list)
+		dss_ovl_setup_fifo(ovl);
+}
+
+static void dss_setup_fifos(void)
+{
+	const int num_mgrs = omap_dss_get_num_overlay_managers();
+	struct omap_overlay_manager *mgr;
+	int i;
+
+	for (i = 0; i < num_mgrs; ++i) {
+		mgr = omap_dss_get_overlay_manager(i);
+		dss_mgr_setup_fifos(mgr);
+	}
+}
+
+static int dss_mgr_enable_compat(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (mp->enabled)
+		goto out;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	mp->enabled = true;
+
+	r = dss_check_settings(mgr);
+	if (r) {
+		DSSERR("failed to enable manager %d: check_settings failed\n",
+				mgr->id);
+		goto err;
+	}
+
+	dss_setup_fifos();
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	if (!mgr_manual_update(mgr))
+		mp->updating = true;
+
+	if (!dss_data.irq_enabled && need_isr())
+		dss_register_vsync_isr();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	if (!mgr_manual_update(mgr))
+		dispc_mgr_enable_sync(mgr->id);
+
+out:
+	mutex_unlock(&apply_lock);
+
+	return 0;
+
+err:
+	mp->enabled = false;
+	spin_unlock_irqrestore(&data_lock, flags);
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+static void dss_mgr_disable_compat(struct omap_overlay_manager *mgr)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+
+	mutex_lock(&apply_lock);
+
+	if (!mp->enabled)
+		goto out;
+
+	wait_pending_extra_info_updates();
+
+	if (!mgr_manual_update(mgr))
+		dispc_mgr_disable_sync(mgr->id);
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	mp->updating = false;
+	mp->enabled = false;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+out:
+	mutex_unlock(&apply_lock);
+}
+
+static int dss_mgr_set_info(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+	int r;
+
+	r = dss_mgr_simple_check(mgr, info);
+	if (r)
+		return r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	mp->user_info = *info;
+	mp->user_info_dirty = true;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return 0;
+}
+
+static void dss_mgr_get_info(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	*info = mp->user_info;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+static int dss_mgr_set_output(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *output)
+{
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (mgr->output) {
+		DSSERR("manager %s is already connected to an output\n",
+			mgr->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	if ((mgr->supported_outputs & output->id) == 0) {
+		DSSERR("output does not support manager %s\n",
+			mgr->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	output->manager = mgr;
+	mgr->output = output;
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+static int dss_mgr_unset_output(struct omap_overlay_manager *mgr)
+{
+	int r;
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+	unsigned long flags;
+
+	mutex_lock(&apply_lock);
+
+	if (!mgr->output) {
+		DSSERR("failed to unset output, output not set\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (mp->enabled) {
+		DSSERR("output can't be unset when manager is enabled\n");
+		r = -EINVAL;
+		goto err1;
+	}
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	mgr->output->manager = NULL;
+	mgr->output = NULL;
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err1:
+	spin_unlock_irqrestore(&data_lock, flags);
+err:
+	mutex_unlock(&apply_lock);
+
+	return r;
+}
+
+static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr,
+		const struct omap_video_timings *timings)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	mp->timings = *timings;
+	mp->extra_info_dirty = true;
+}
+
+static void dss_mgr_set_timings_compat(struct omap_overlay_manager *mgr,
+		const struct omap_video_timings *timings)
+{
+	unsigned long flags;
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (mp->updating) {
+		DSSERR("cannot set timings for %s: manager needs to be disabled\n",
+			mgr->name);
+		goto out;
+	}
+
+	dss_apply_mgr_timings(mgr, timings);
+out:
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+static void dss_apply_mgr_lcd_config(struct omap_overlay_manager *mgr,
+		const struct dss_lcd_mgr_config *config)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	mp->lcd_config = *config;
+	mp->extra_info_dirty = true;
+}
+
+static void dss_mgr_set_lcd_config_compat(struct omap_overlay_manager *mgr,
+		const struct dss_lcd_mgr_config *config)
+{
+	unsigned long flags;
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (mp->enabled) {
+		DSSERR("cannot apply lcd config for %s: manager needs to be disabled\n",
+			mgr->name);
+		goto out;
+	}
+
+	dss_apply_mgr_lcd_config(mgr, config);
+out:
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+static int dss_ovl_set_info(struct omap_overlay *ovl,
+		struct omap_overlay_info *info)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	r = dss_ovl_simple_check(ovl, info);
+	if (r)
+		return r;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	op->user_info = *info;
+	op->user_info_dirty = true;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return 0;
+}
+
+static void dss_ovl_get_info(struct omap_overlay *ovl,
+		struct omap_overlay_info *info)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	*info = op->user_info;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+}
+
+static int dss_ovl_set_manager(struct omap_overlay *ovl,
+		struct omap_overlay_manager *mgr)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	if (!mgr)
+		return -EINVAL;
+
+	mutex_lock(&apply_lock);
+
+	if (ovl->manager) {
+		DSSERR("overlay '%s' already has a manager '%s'\n",
+				ovl->name, ovl->manager->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (op->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		DSSERR("overlay has to be disabled to change the manager\n");
+		r = -EINVAL;
+		goto err1;
+	}
+
+	dispc_ovl_set_channel_out(ovl->id, mgr->id);
+
+	ovl->manager = mgr;
+	list_add_tail(&ovl->list, &mgr->overlays);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	dispc_runtime_put();
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+
+err1:
+	dispc_runtime_put();
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+static int dss_ovl_unset_manager(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (!ovl->manager) {
+		DSSERR("failed to detach overlay: manager not set\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (op->enabled) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		DSSERR("overlay has to be disabled to unset the manager\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	/* wait for pending extra_info updates to ensure the ovl is disabled */
+	wait_pending_extra_info_updates();
+
+	/*
+	 * For a manual update display, there is no guarantee that the overlay
+	 * is really disabled in HW, we may need an extra update from this
+	 * manager before the configurations can go in. Return an error if the
+	 * overlay needed an update from the manager.
+	 *
+	 * TODO: Instead of returning an error, try to do a dummy manager update
+	 * here to disable the overlay in hardware. Use the *GATED fields in
+	 * the DISPC_CONFIG registers to do a dummy update.
+	 */
+	spin_lock_irqsave(&data_lock, flags);
+
+	if (ovl_manual_update(ovl) && op->extra_info_dirty) {
+		spin_unlock_irqrestore(&data_lock, flags);
+		DSSERR("need an update to change the manager\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	ovl->manager = NULL;
+	list_del(&ovl->list);
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+static bool dss_ovl_is_enabled(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	bool e;
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	e = op->enabled;
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	return e;
+}
+
+static int dss_ovl_enable(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (op->enabled) {
+		r = 0;
+		goto err1;
+	}
+
+	if (ovl->manager == NULL || ovl->manager->output == NULL) {
+		r = -EINVAL;
+		goto err1;
+	}
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	op->enabling = true;
+
+	r = dss_check_settings(ovl->manager);
+	if (r) {
+		DSSERR("failed to enable overlay %d: check_settings failed\n",
+				ovl->id);
+		goto err2;
+	}
+
+	dss_setup_fifos();
+
+	op->enabling = false;
+	dss_apply_ovl_enable(ovl, true);
+
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+err2:
+	op->enabling = false;
+	spin_unlock_irqrestore(&data_lock, flags);
+err1:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+static int dss_ovl_disable(struct omap_overlay *ovl)
+{
+	struct ovl_priv_data *op = get_ovl_priv(ovl);
+	unsigned long flags;
+	int r;
+
+	mutex_lock(&apply_lock);
+
+	if (!op->enabled) {
+		r = 0;
+		goto err;
+	}
+
+	if (ovl->manager == NULL || ovl->manager->output == NULL) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	spin_lock_irqsave(&data_lock, flags);
+
+	dss_apply_ovl_enable(ovl, false);
+	dss_write_regs();
+	dss_set_go_bits();
+
+	spin_unlock_irqrestore(&data_lock, flags);
+
+	mutex_unlock(&apply_lock);
+
+	return 0;
+
+err:
+	mutex_unlock(&apply_lock);
+	return r;
+}
+
+static int dss_mgr_register_framedone_handler_compat(struct omap_overlay_manager *mgr,
+		void (*handler)(void *), void *data)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	if (mp->framedone_handler)
+		return -EBUSY;
+
+	mp->framedone_handler = handler;
+	mp->framedone_handler_data = data;
+
+	return 0;
+}
+
+static void dss_mgr_unregister_framedone_handler_compat(struct omap_overlay_manager *mgr,
+		void (*handler)(void *), void *data)
+{
+	struct mgr_priv_data *mp = get_mgr_priv(mgr);
+
+	WARN_ON(mp->framedone_handler != handler ||
+			mp->framedone_handler_data != data);
+
+	mp->framedone_handler = NULL;
+	mp->framedone_handler_data = NULL;
+}
+
+static const struct dss_mgr_ops apply_mgr_ops = {
+	.connect = dss_mgr_connect_compat,
+	.disconnect = dss_mgr_disconnect_compat,
+	.start_update = dss_mgr_start_update_compat,
+	.enable = dss_mgr_enable_compat,
+	.disable = dss_mgr_disable_compat,
+	.set_timings = dss_mgr_set_timings_compat,
+	.set_lcd_config = dss_mgr_set_lcd_config_compat,
+	.register_framedone_handler = dss_mgr_register_framedone_handler_compat,
+	.unregister_framedone_handler = dss_mgr_unregister_framedone_handler_compat,
+};
+
+static int compat_refcnt;
+static DEFINE_MUTEX(compat_init_lock);
+
+int omapdss_compat_init(void)
+{
+	struct platform_device *pdev = dss_get_core_pdev();
+	int i, r;
+
+	mutex_lock(&compat_init_lock);
+
+	if (compat_refcnt++ > 0)
+		goto out;
+
+	apply_init_priv();
+
+	dss_init_overlay_managers_sysfs(pdev);
+	dss_init_overlays(pdev);
+
+	for (i = 0; i < omap_dss_get_num_overlay_managers(); i++) {
+		struct omap_overlay_manager *mgr;
+
+		mgr = omap_dss_get_overlay_manager(i);
+
+		mgr->set_output = &dss_mgr_set_output;
+		mgr->unset_output = &dss_mgr_unset_output;
+		mgr->apply = &omap_dss_mgr_apply;
+		mgr->set_manager_info = &dss_mgr_set_info;
+		mgr->get_manager_info = &dss_mgr_get_info;
+		mgr->wait_for_go = &dss_mgr_wait_for_go;
+		mgr->wait_for_vsync = &dss_mgr_wait_for_vsync;
+		mgr->get_device = &dss_mgr_get_device;
+	}
+
+	for (i = 0; i < omap_dss_get_num_overlays(); i++) {
+		struct omap_overlay *ovl = omap_dss_get_overlay(i);
+
+		ovl->is_enabled = &dss_ovl_is_enabled;
+		ovl->enable = &dss_ovl_enable;
+		ovl->disable = &dss_ovl_disable;
+		ovl->set_manager = &dss_ovl_set_manager;
+		ovl->unset_manager = &dss_ovl_unset_manager;
+		ovl->set_overlay_info = &dss_ovl_set_info;
+		ovl->get_overlay_info = &dss_ovl_get_info;
+		ovl->wait_for_go = &dss_mgr_wait_for_go_ovl;
+		ovl->get_device = &dss_ovl_get_device;
+	}
+
+	r = dss_install_mgr_ops(&apply_mgr_ops);
+	if (r)
+		goto err_mgr_ops;
+
+	r = display_init_sysfs(pdev);
+	if (r)
+		goto err_disp_sysfs;
+
+	dispc_runtime_get();
+
+	r = dss_dispc_initialize_irq();
+	if (r)
+		goto err_init_irq;
+
+	dispc_runtime_put();
+
+out:
+	mutex_unlock(&compat_init_lock);
+
+	return 0;
+
+err_init_irq:
+	dispc_runtime_put();
+	display_uninit_sysfs(pdev);
+
+err_disp_sysfs:
+	dss_uninstall_mgr_ops();
+
+err_mgr_ops:
+	dss_uninit_overlay_managers_sysfs(pdev);
+	dss_uninit_overlays(pdev);
+
+	compat_refcnt--;
+
+	mutex_unlock(&compat_init_lock);
+
+	return r;
+}
+EXPORT_SYMBOL(omapdss_compat_init);
+
+void omapdss_compat_uninit(void)
+{
+	struct platform_device *pdev = dss_get_core_pdev();
+
+	mutex_lock(&compat_init_lock);
+
+	if (--compat_refcnt > 0)
+		goto out;
+
+	dss_dispc_uninitialize_irq();
+
+	display_uninit_sysfs(pdev);
+
+	dss_uninstall_mgr_ops();
+
+	dss_uninit_overlay_managers_sysfs(pdev);
+	dss_uninit_overlays(pdev);
+out:
+	mutex_unlock(&compat_init_lock);
+}
+EXPORT_SYMBOL(omapdss_compat_uninit);
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/core.c b/drivers/video/fbdev/omap2/omapfb/dss/core.c
new file mode 100644
index 000000000..37858be8b
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/core.c
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/core.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "CORE"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+#include <linux/io.h>
+#include <linux/device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/suspend.h>
+#include <linux/slab.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static struct {
+	struct platform_device *pdev;
+
+	const char *default_display_name;
+} core;
+
+static char *def_disp_name;
+module_param_named(def_disp, def_disp_name, charp, 0);
+MODULE_PARM_DESC(def_disp, "default display name");
+
+const char *omapdss_get_default_display_name(void)
+{
+	return core.default_display_name;
+}
+EXPORT_SYMBOL(omapdss_get_default_display_name);
+
+enum omapdss_version omapdss_get_version(void)
+{
+	struct omap_dss_board_info *pdata = core.pdev->dev.platform_data;
+	return pdata->version;
+}
+EXPORT_SYMBOL(omapdss_get_version);
+
+struct platform_device *dss_get_core_pdev(void)
+{
+	return core.pdev;
+}
+
+int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask)
+{
+	struct omap_dss_board_info *board_data = core.pdev->dev.platform_data;
+
+	if (!board_data->dsi_enable_pads)
+		return -ENOENT;
+
+	return board_data->dsi_enable_pads(dsi_id, lane_mask);
+}
+
+void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask)
+{
+	struct omap_dss_board_info *board_data = core.pdev->dev.platform_data;
+
+	if (!board_data->dsi_disable_pads)
+		return;
+
+	return board_data->dsi_disable_pads(dsi_id, lane_mask);
+}
+
+int dss_set_min_bus_tput(struct device *dev, unsigned long tput)
+{
+	struct omap_dss_board_info *pdata = core.pdev->dev.platform_data;
+
+	if (pdata->set_min_bus_tput)
+		return pdata->set_min_bus_tput(dev, tput);
+	else
+		return 0;
+}
+
+#if defined(CONFIG_FB_OMAP2_DSS_DEBUGFS)
+static int dss_show(struct seq_file *s, void *unused)
+{
+	void (*func)(struct seq_file *) = s->private;
+	func(s);
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(dss);
+
+static struct dentry *dss_debugfs_dir;
+
+static void dss_initialize_debugfs(void)
+{
+	dss_debugfs_dir = debugfs_create_dir("omapdss", NULL);
+
+	debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir,
+			&dss_debug_dump_clocks, &dss_fops);
+}
+
+static void dss_uninitialize_debugfs(void)
+{
+	debugfs_remove_recursive(dss_debugfs_dir);
+}
+
+void dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
+{
+	debugfs_create_file(name, S_IRUGO, dss_debugfs_dir, write, &dss_fops);
+}
+#else /* CONFIG_FB_OMAP2_DSS_DEBUGFS */
+static inline void dss_initialize_debugfs(void)
+{
+}
+static inline void dss_uninitialize_debugfs(void)
+{
+}
+void dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
+{
+}
+#endif /* CONFIG_FB_OMAP2_DSS_DEBUGFS */
+
+/* PLATFORM DEVICE */
+static int omap_dss_pm_notif(struct notifier_block *b, unsigned long v, void *d)
+{
+	DSSDBG("pm notif %lu\n", v);
+
+	switch (v) {
+	case PM_SUSPEND_PREPARE:
+	case PM_HIBERNATION_PREPARE:
+	case PM_RESTORE_PREPARE:
+		DSSDBG("suspending displays\n");
+		return dss_suspend_all_devices();
+
+	case PM_POST_SUSPEND:
+	case PM_POST_HIBERNATION:
+	case PM_POST_RESTORE:
+		DSSDBG("resuming displays\n");
+		return dss_resume_all_devices();
+
+	default:
+		return 0;
+	}
+}
+
+static struct notifier_block omap_dss_pm_notif_block = {
+	.notifier_call = omap_dss_pm_notif,
+};
+
+static int __init omap_dss_probe(struct platform_device *pdev)
+{
+	core.pdev = pdev;
+
+	dss_features_init(omapdss_get_version());
+
+	dss_initialize_debugfs();
+
+	if (def_disp_name)
+		core.default_display_name = def_disp_name;
+
+	register_pm_notifier(&omap_dss_pm_notif_block);
+
+	return 0;
+}
+
+static int omap_dss_remove(struct platform_device *pdev)
+{
+	unregister_pm_notifier(&omap_dss_pm_notif_block);
+
+	dss_uninitialize_debugfs();
+
+	return 0;
+}
+
+static void omap_dss_shutdown(struct platform_device *pdev)
+{
+	DSSDBG("shutdown\n");
+	dss_disable_all_devices();
+}
+
+static struct platform_driver omap_dss_driver = {
+	.remove         = omap_dss_remove,
+	.shutdown	= omap_dss_shutdown,
+	.driver         = {
+		.name   = "omapdss",
+	},
+};
+
+/* INIT */
+static int (*dss_output_drv_reg_funcs[])(void) __initdata = {
+	dss_init_platform_driver,
+	dispc_init_platform_driver,
+#ifdef CONFIG_FB_OMAP2_DSS_DSI
+	dsi_init_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP2_DSS_DPI
+	dpi_init_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP2_DSS_SDI
+	sdi_init_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP2_DSS_VENC
+	venc_init_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP4_DSS_HDMI
+	hdmi4_init_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP5_DSS_HDMI
+	hdmi5_init_platform_driver,
+#endif
+};
+
+static void (*dss_output_drv_unreg_funcs[])(void) = {
+#ifdef CONFIG_FB_OMAP5_DSS_HDMI
+	hdmi5_uninit_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP4_DSS_HDMI
+	hdmi4_uninit_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP2_DSS_VENC
+	venc_uninit_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP2_DSS_SDI
+	sdi_uninit_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP2_DSS_DPI
+	dpi_uninit_platform_driver,
+#endif
+#ifdef CONFIG_FB_OMAP2_DSS_DSI
+	dsi_uninit_platform_driver,
+#endif
+	dispc_uninit_platform_driver,
+	dss_uninit_platform_driver,
+};
+
+static int __init omap_dss_init(void)
+{
+	int r;
+	int i;
+
+	r = platform_driver_probe(&omap_dss_driver, omap_dss_probe);
+	if (r)
+		return r;
+
+	for (i = 0; i < ARRAY_SIZE(dss_output_drv_reg_funcs); ++i) {
+		r = dss_output_drv_reg_funcs[i]();
+		if (r)
+			goto err_reg;
+	}
+
+	return 0;
+
+err_reg:
+	for (i = ARRAY_SIZE(dss_output_drv_reg_funcs) - i;
+			i < ARRAY_SIZE(dss_output_drv_reg_funcs);
+			++i)
+		dss_output_drv_unreg_funcs[i]();
+
+	platform_driver_unregister(&omap_dss_driver);
+
+	return r;
+}
+
+static void __exit omap_dss_exit(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dss_output_drv_unreg_funcs); ++i)
+		dss_output_drv_unreg_funcs[i]();
+
+	platform_driver_unregister(&omap_dss_driver);
+}
+
+module_init(omap_dss_init);
+module_exit(omap_dss_exit);
+
+MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
+MODULE_DESCRIPTION("OMAP2/3 Display Subsystem");
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c
new file mode 100644
index 000000000..cc2ad787d
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c
@@ -0,0 +1,657 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2012 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ */
+
+#define DSS_SUBSYS_NAME "APPLY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/jiffies.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/seq_file.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+#include "dispc-compat.h"
+
+#define DISPC_IRQ_MASK_ERROR            (DISPC_IRQ_GFX_FIFO_UNDERFLOW | \
+					 DISPC_IRQ_OCP_ERR | \
+					 DISPC_IRQ_VID1_FIFO_UNDERFLOW | \
+					 DISPC_IRQ_VID2_FIFO_UNDERFLOW | \
+					 DISPC_IRQ_SYNC_LOST | \
+					 DISPC_IRQ_SYNC_LOST_DIGIT)
+
+#define DISPC_MAX_NR_ISRS		8
+
+struct omap_dispc_isr_data {
+	omap_dispc_isr_t	isr;
+	void			*arg;
+	u32			mask;
+};
+
+struct dispc_irq_stats {
+	unsigned long last_reset;
+	unsigned irq_count;
+	unsigned irqs[32];
+};
+
+static struct {
+	spinlock_t irq_lock;
+	u32 irq_error_mask;
+	struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
+	u32 error_irqs;
+	struct work_struct error_work;
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+	spinlock_t irq_stats_lock;
+	struct dispc_irq_stats irq_stats;
+#endif
+} dispc_compat;
+
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+static void dispc_dump_irqs(struct seq_file *s)
+{
+	unsigned long flags;
+	struct dispc_irq_stats stats;
+
+	spin_lock_irqsave(&dispc_compat.irq_stats_lock, flags);
+
+	stats = dispc_compat.irq_stats;
+	memset(&dispc_compat.irq_stats, 0, sizeof(dispc_compat.irq_stats));
+	dispc_compat.irq_stats.last_reset = jiffies;
+
+	spin_unlock_irqrestore(&dispc_compat.irq_stats_lock, flags);
+
+	seq_printf(s, "period %u ms\n",
+			jiffies_to_msecs(jiffies - stats.last_reset));
+
+	seq_printf(s, "irqs %d\n", stats.irq_count);
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1])
+
+	PIS(FRAMEDONE);
+	PIS(VSYNC);
+	PIS(EVSYNC_EVEN);
+	PIS(EVSYNC_ODD);
+	PIS(ACBIAS_COUNT_STAT);
+	PIS(PROG_LINE_NUM);
+	PIS(GFX_FIFO_UNDERFLOW);
+	PIS(GFX_END_WIN);
+	PIS(PAL_GAMMA_MASK);
+	PIS(OCP_ERR);
+	PIS(VID1_FIFO_UNDERFLOW);
+	PIS(VID1_END_WIN);
+	PIS(VID2_FIFO_UNDERFLOW);
+	PIS(VID2_END_WIN);
+	if (dss_feat_get_num_ovls() > 3) {
+		PIS(VID3_FIFO_UNDERFLOW);
+		PIS(VID3_END_WIN);
+	}
+	PIS(SYNC_LOST);
+	PIS(SYNC_LOST_DIGIT);
+	PIS(WAKEUP);
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		PIS(FRAMEDONE2);
+		PIS(VSYNC2);
+		PIS(ACBIAS_COUNT_STAT2);
+		PIS(SYNC_LOST2);
+	}
+	if (dss_has_feature(FEAT_MGR_LCD3)) {
+		PIS(FRAMEDONE3);
+		PIS(VSYNC3);
+		PIS(ACBIAS_COUNT_STAT3);
+		PIS(SYNC_LOST3);
+	}
+#undef PIS
+}
+#endif
+
+/* dispc.irq_lock has to be locked by the caller */
+static void _omap_dispc_set_irqs(void)
+{
+	u32 mask;
+	int i;
+	struct omap_dispc_isr_data *isr_data;
+
+	mask = dispc_compat.irq_error_mask;
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc_compat.registered_isr[i];
+
+		if (isr_data->isr == NULL)
+			continue;
+
+		mask |= isr_data->mask;
+	}
+
+	dispc_write_irqenable(mask);
+}
+
+int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
+{
+	int i;
+	int ret;
+	unsigned long flags;
+	struct omap_dispc_isr_data *isr_data;
+
+	if (isr == NULL)
+		return -EINVAL;
+
+	spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+
+	/* check for duplicate entry */
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc_compat.registered_isr[i];
+		if (isr_data->isr == isr && isr_data->arg == arg &&
+				isr_data->mask == mask) {
+			ret = -EINVAL;
+			goto err;
+		}
+	}
+
+	isr_data = NULL;
+	ret = -EBUSY;
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc_compat.registered_isr[i];
+
+		if (isr_data->isr != NULL)
+			continue;
+
+		isr_data->isr = isr;
+		isr_data->arg = arg;
+		isr_data->mask = mask;
+		ret = 0;
+
+		break;
+	}
+
+	if (ret)
+		goto err;
+
+	_omap_dispc_set_irqs();
+
+	spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+	return 0;
+err:
+	spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(omap_dispc_register_isr);
+
+int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
+{
+	int i;
+	unsigned long flags;
+	int ret = -EINVAL;
+	struct omap_dispc_isr_data *isr_data;
+
+	spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &dispc_compat.registered_isr[i];
+		if (isr_data->isr != isr || isr_data->arg != arg ||
+				isr_data->mask != mask)
+			continue;
+
+		/* found the correct isr */
+
+		isr_data->isr = NULL;
+		isr_data->arg = NULL;
+		isr_data->mask = 0;
+
+		ret = 0;
+		break;
+	}
+
+	if (ret == 0)
+		_omap_dispc_set_irqs();
+
+	spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(omap_dispc_unregister_isr);
+
+static void print_irq_status(u32 status)
+{
+	if ((status & dispc_compat.irq_error_mask) == 0)
+		return;
+
+#define PIS(x) (status & DISPC_IRQ_##x) ? (#x " ") : ""
+
+	pr_debug("DISPC IRQ: 0x%x: %s%s%s%s%s%s%s%s%s\n",
+		status,
+		PIS(OCP_ERR),
+		PIS(GFX_FIFO_UNDERFLOW),
+		PIS(VID1_FIFO_UNDERFLOW),
+		PIS(VID2_FIFO_UNDERFLOW),
+		dss_feat_get_num_ovls() > 3 ? PIS(VID3_FIFO_UNDERFLOW) : "",
+		PIS(SYNC_LOST),
+		PIS(SYNC_LOST_DIGIT),
+		dss_has_feature(FEAT_MGR_LCD2) ? PIS(SYNC_LOST2) : "",
+		dss_has_feature(FEAT_MGR_LCD3) ? PIS(SYNC_LOST3) : "");
+#undef PIS
+}
+
+/* Called from dss.c. Note that we don't touch clocks here,
+ * but we presume they are on because we got an IRQ. However,
+ * an irq handler may turn the clocks off, so we may not have
+ * clock later in the function. */
+static irqreturn_t omap_dispc_irq_handler(int irq, void *arg)
+{
+	int i;
+	u32 irqstatus, irqenable;
+	u32 handledirqs = 0;
+	u32 unhandled_errors;
+	struct omap_dispc_isr_data *isr_data;
+	struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS];
+
+	spin_lock(&dispc_compat.irq_lock);
+
+	irqstatus = dispc_read_irqstatus();
+	irqenable = dispc_read_irqenable();
+
+	/* IRQ is not for us */
+	if (!(irqstatus & irqenable)) {
+		spin_unlock(&dispc_compat.irq_lock);
+		return IRQ_NONE;
+	}
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+	spin_lock(&dispc_compat.irq_stats_lock);
+	dispc_compat.irq_stats.irq_count++;
+	dss_collect_irq_stats(irqstatus, dispc_compat.irq_stats.irqs);
+	spin_unlock(&dispc_compat.irq_stats_lock);
+#endif
+
+	print_irq_status(irqstatus);
+
+	/* Ack the interrupt. Do it here before clocks are possibly turned
+	 * off */
+	dispc_clear_irqstatus(irqstatus);
+	/* flush posted write */
+	dispc_read_irqstatus();
+
+	/* make a copy and unlock, so that isrs can unregister
+	 * themselves */
+	memcpy(registered_isr, dispc_compat.registered_isr,
+			sizeof(registered_isr));
+
+	spin_unlock(&dispc_compat.irq_lock);
+
+	for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
+		isr_data = &registered_isr[i];
+
+		if (!isr_data->isr)
+			continue;
+
+		if (isr_data->mask & irqstatus) {
+			isr_data->isr(isr_data->arg, irqstatus);
+			handledirqs |= isr_data->mask;
+		}
+	}
+
+	spin_lock(&dispc_compat.irq_lock);
+
+	unhandled_errors = irqstatus & ~handledirqs & dispc_compat.irq_error_mask;
+
+	if (unhandled_errors) {
+		dispc_compat.error_irqs |= unhandled_errors;
+
+		dispc_compat.irq_error_mask &= ~unhandled_errors;
+		_omap_dispc_set_irqs();
+
+		schedule_work(&dispc_compat.error_work);
+	}
+
+	spin_unlock(&dispc_compat.irq_lock);
+
+	return IRQ_HANDLED;
+}
+
+static void dispc_error_worker(struct work_struct *work)
+{
+	int i;
+	u32 errors;
+	unsigned long flags;
+	static const unsigned fifo_underflow_bits[] = {
+		DISPC_IRQ_GFX_FIFO_UNDERFLOW,
+		DISPC_IRQ_VID1_FIFO_UNDERFLOW,
+		DISPC_IRQ_VID2_FIFO_UNDERFLOW,
+		DISPC_IRQ_VID3_FIFO_UNDERFLOW,
+	};
+
+	spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+	errors = dispc_compat.error_irqs;
+	dispc_compat.error_irqs = 0;
+	spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+	dispc_runtime_get();
+
+	for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+		struct omap_overlay *ovl;
+		unsigned bit;
+
+		ovl = omap_dss_get_overlay(i);
+		bit = fifo_underflow_bits[i];
+
+		if (bit & errors) {
+			DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n",
+					ovl->name);
+			ovl->disable(ovl);
+			msleep(50);
+		}
+	}
+
+	for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+		struct omap_overlay_manager *mgr;
+		unsigned bit;
+
+		mgr = omap_dss_get_overlay_manager(i);
+		bit = dispc_mgr_get_sync_lost_irq(i);
+
+		if (bit & errors) {
+			int j;
+
+			DSSERR("SYNC_LOST on channel %s, restarting the output "
+					"with video overlays disabled\n",
+					mgr->name);
+
+			dss_mgr_disable(mgr);
+
+			for (j = 0; j < omap_dss_get_num_overlays(); ++j) {
+				struct omap_overlay *ovl;
+				ovl = omap_dss_get_overlay(j);
+
+				if (ovl->id != OMAP_DSS_GFX &&
+						ovl->manager == mgr)
+					ovl->disable(ovl);
+			}
+
+			dss_mgr_enable(mgr);
+		}
+	}
+
+	if (errors & DISPC_IRQ_OCP_ERR) {
+		DSSERR("OCP_ERR\n");
+		for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+			struct omap_overlay_manager *mgr;
+
+			mgr = omap_dss_get_overlay_manager(i);
+			dss_mgr_disable(mgr);
+		}
+	}
+
+	spin_lock_irqsave(&dispc_compat.irq_lock, flags);
+	dispc_compat.irq_error_mask |= errors;
+	_omap_dispc_set_irqs();
+	spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
+
+	dispc_runtime_put();
+}
+
+int dss_dispc_initialize_irq(void)
+{
+	int r;
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+	spin_lock_init(&dispc_compat.irq_stats_lock);
+	dispc_compat.irq_stats.last_reset = jiffies;
+	dss_debugfs_create_file("dispc_irq", dispc_dump_irqs);
+#endif
+
+	spin_lock_init(&dispc_compat.irq_lock);
+
+	memset(dispc_compat.registered_isr, 0,
+			sizeof(dispc_compat.registered_isr));
+
+	dispc_compat.irq_error_mask = DISPC_IRQ_MASK_ERROR;
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST2;
+	if (dss_has_feature(FEAT_MGR_LCD3))
+		dispc_compat.irq_error_mask |= DISPC_IRQ_SYNC_LOST3;
+	if (dss_feat_get_num_ovls() > 3)
+		dispc_compat.irq_error_mask |= DISPC_IRQ_VID3_FIFO_UNDERFLOW;
+
+	/*
+	 * there's SYNC_LOST_DIGIT waiting after enabling the DSS,
+	 * so clear it
+	 */
+	dispc_clear_irqstatus(dispc_read_irqstatus());
+
+	INIT_WORK(&dispc_compat.error_work, dispc_error_worker);
+
+	_omap_dispc_set_irqs();
+
+	r = dispc_request_irq(omap_dispc_irq_handler, &dispc_compat);
+	if (r) {
+		DSSERR("dispc_request_irq failed\n");
+		return r;
+	}
+
+	return 0;
+}
+
+void dss_dispc_uninitialize_irq(void)
+{
+	dispc_free_irq(&dispc_compat);
+}
+
+static void dispc_mgr_disable_isr(void *data, u32 mask)
+{
+	struct completion *compl = data;
+	complete(compl);
+}
+
+static void dispc_mgr_enable_lcd_out(enum omap_channel channel)
+{
+	dispc_mgr_enable(channel, true);
+}
+
+static void dispc_mgr_disable_lcd_out(enum omap_channel channel)
+{
+	DECLARE_COMPLETION_ONSTACK(framedone_compl);
+	int r;
+	u32 irq;
+
+	if (!dispc_mgr_is_enabled(channel))
+		return;
+
+	/*
+	 * When we disable LCD output, we need to wait for FRAMEDONE to know
+	 * that DISPC has finished with the LCD output.
+	 */
+
+	irq = dispc_mgr_get_framedone_irq(channel);
+
+	r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl,
+			irq);
+	if (r)
+		DSSERR("failed to register FRAMEDONE isr\n");
+
+	dispc_mgr_enable(channel, false);
+
+	/* if we couldn't register for framedone, just sleep and exit */
+	if (r) {
+		msleep(100);
+		return;
+	}
+
+	if (!wait_for_completion_timeout(&framedone_compl,
+				msecs_to_jiffies(100)))
+		DSSERR("timeout waiting for FRAME DONE\n");
+
+	r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl,
+			irq);
+	if (r)
+		DSSERR("failed to unregister FRAMEDONE isr\n");
+}
+
+static void dispc_digit_out_enable_isr(void *data, u32 mask)
+{
+	struct completion *compl = data;
+
+	/* ignore any sync lost interrupts */
+	if (mask & (DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD))
+		complete(compl);
+}
+
+static void dispc_mgr_enable_digit_out(void)
+{
+	DECLARE_COMPLETION_ONSTACK(vsync_compl);
+	int r;
+	u32 irq_mask;
+
+	if (dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT))
+		return;
+
+	/*
+	 * Digit output produces some sync lost interrupts during the first
+	 * frame when enabling. Those need to be ignored, so we register for the
+	 * sync lost irq to prevent the error handler from triggering.
+	 */
+
+	irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT) |
+		dispc_mgr_get_sync_lost_irq(OMAP_DSS_CHANNEL_DIGIT);
+
+	r = omap_dispc_register_isr(dispc_digit_out_enable_isr, &vsync_compl,
+			irq_mask);
+	if (r) {
+		DSSERR("failed to register %x isr\n", irq_mask);
+		return;
+	}
+
+	dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, true);
+
+	/* wait for the first evsync */
+	if (!wait_for_completion_timeout(&vsync_compl, msecs_to_jiffies(100)))
+		DSSERR("timeout waiting for digit out to start\n");
+
+	r = omap_dispc_unregister_isr(dispc_digit_out_enable_isr, &vsync_compl,
+			irq_mask);
+	if (r)
+		DSSERR("failed to unregister %x isr\n", irq_mask);
+}
+
+static void dispc_mgr_disable_digit_out(void)
+{
+	DECLARE_COMPLETION_ONSTACK(framedone_compl);
+	int r, i;
+	u32 irq_mask;
+	int num_irqs;
+
+	if (!dispc_mgr_is_enabled(OMAP_DSS_CHANNEL_DIGIT))
+		return;
+
+	/*
+	 * When we disable the digit output, we need to wait for FRAMEDONE to
+	 * know that DISPC has finished with the output.
+	 */
+
+	irq_mask = dispc_mgr_get_framedone_irq(OMAP_DSS_CHANNEL_DIGIT);
+	num_irqs = 1;
+
+	if (!irq_mask) {
+		/*
+		 * omap 2/3 don't have framedone irq for TV, so we need to use
+		 * vsyncs for this.
+		 */
+
+		irq_mask = dispc_mgr_get_vsync_irq(OMAP_DSS_CHANNEL_DIGIT);
+		/*
+		 * We need to wait for both even and odd vsyncs. Note that this
+		 * is not totally reliable, as we could get a vsync interrupt
+		 * before we disable the output, which leads to timeout in the
+		 * wait_for_completion.
+		 */
+		num_irqs = 2;
+	}
+
+	r = omap_dispc_register_isr(dispc_mgr_disable_isr, &framedone_compl,
+			irq_mask);
+	if (r)
+		DSSERR("failed to register %x isr\n", irq_mask);
+
+	dispc_mgr_enable(OMAP_DSS_CHANNEL_DIGIT, false);
+
+	/* if we couldn't register the irq, just sleep and exit */
+	if (r) {
+		msleep(100);
+		return;
+	}
+
+	for (i = 0; i < num_irqs; ++i) {
+		if (!wait_for_completion_timeout(&framedone_compl,
+					msecs_to_jiffies(100)))
+			DSSERR("timeout waiting for digit out to stop\n");
+	}
+
+	r = omap_dispc_unregister_isr(dispc_mgr_disable_isr, &framedone_compl,
+			irq_mask);
+	if (r)
+		DSSERR("failed to unregister %x isr\n", irq_mask);
+}
+
+void dispc_mgr_enable_sync(enum omap_channel channel)
+{
+	if (dss_mgr_is_lcd(channel))
+		dispc_mgr_enable_lcd_out(channel);
+	else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+		dispc_mgr_enable_digit_out();
+	else
+		WARN_ON(1);
+}
+
+void dispc_mgr_disable_sync(enum omap_channel channel)
+{
+	if (dss_mgr_is_lcd(channel))
+		dispc_mgr_disable_lcd_out(channel);
+	else if (channel == OMAP_DSS_CHANNEL_DIGIT)
+		dispc_mgr_disable_digit_out();
+	else
+		WARN_ON(1);
+}
+
+static inline void dispc_irq_wait_handler(void *data, u32 mask)
+{
+	complete((struct completion *)data);
+}
+
+int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
+		unsigned long timeout)
+{
+
+	int r;
+	long time_left;
+	DECLARE_COMPLETION_ONSTACK(completion);
+
+	r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion,
+			irqmask);
+
+	if (r)
+		return r;
+
+	time_left = wait_for_completion_interruptible_timeout(&completion,
+			timeout);
+
+	omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask);
+
+	if (time_left == 0)
+		return -ETIMEDOUT;
+
+	if (time_left == -ERESTARTSYS)
+		return -ERESTARTSYS;
+
+	return 0;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.h b/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.h
new file mode 100644
index 000000000..f51fe1a4a
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ */
+
+#ifndef __OMAP2_DSS_DISPC_COMPAT_H
+#define __OMAP2_DSS_DISPC_COMPAT_H
+
+void dispc_mgr_enable_sync(enum omap_channel channel);
+void dispc_mgr_disable_sync(enum omap_channel channel);
+
+int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
+		unsigned long timeout);
+
+int dss_dispc_initialize_irq(void);
+void dss_dispc_uninitialize_irq(void);
+
+#endif
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
new file mode 100644
index 000000000..92fb6b7e1
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
@@ -0,0 +1,4093 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/dispc.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "DISPC"
+
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/vmalloc.h>
+#include <linux/export.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/jiffies.h>
+#include <linux/seq_file.h>
+#include <linux/delay.h>
+#include <linux/workqueue.h>
+#include <linux/hardirq.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/sizes.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
+#include <linux/of.h>
+#include <linux/component.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+#include "dispc.h"
+
+/* DISPC */
+#define DISPC_SZ_REGS			SZ_4K
+
+enum omap_burst_size {
+	BURST_SIZE_X2 = 0,
+	BURST_SIZE_X4 = 1,
+	BURST_SIZE_X8 = 2,
+};
+
+#define REG_GET(idx, start, end) \
+	FLD_GET(dispc_read_reg(idx), start, end)
+
+#define REG_FLD_MOD(idx, val, start, end)				\
+	dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end))
+
+struct dispc_features {
+	u8 sw_start;
+	u8 fp_start;
+	u8 bp_start;
+	u16 sw_max;
+	u16 vp_max;
+	u16 hp_max;
+	u8 mgr_width_start;
+	u8 mgr_height_start;
+	u16 mgr_width_max;
+	u16 mgr_height_max;
+	unsigned long max_lcd_pclk;
+	unsigned long max_tv_pclk;
+	int (*calc_scaling) (unsigned long pclk, unsigned long lclk,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem);
+	unsigned long (*calc_core_clk) (unsigned long pclk,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		bool mem_to_mem);
+	u8 num_fifos;
+
+	/* swap GFX & WB fifos */
+	bool gfx_fifo_workaround:1;
+
+	/* no DISPC_IRQ_FRAMEDONETV on this SoC */
+	bool no_framedone_tv:1;
+
+	/* revert to the OMAP4 mechanism of DISPC Smart Standby operation */
+	bool mstandby_workaround:1;
+
+	bool set_max_preload:1;
+
+	/* PIXEL_INC is not added to the last pixel of a line */
+	bool last_pixel_inc_missing:1;
+
+	/* POL_FREQ has ALIGN bit */
+	bool supports_sync_align:1;
+
+	bool has_writeback:1;
+};
+
+#define DISPC_MAX_NR_FIFOS 5
+
+static struct {
+	struct platform_device *pdev;
+	void __iomem    *base;
+
+	int irq;
+	irq_handler_t user_handler;
+	void *user_data;
+
+	unsigned long core_clk_rate;
+	unsigned long tv_pclk_rate;
+
+	u32 fifo_size[DISPC_MAX_NR_FIFOS];
+	/* maps which plane is using a fifo. fifo-id -> plane-id */
+	int fifo_assignment[DISPC_MAX_NR_FIFOS];
+
+	bool		ctx_valid;
+	u32		ctx[DISPC_SZ_REGS / sizeof(u32)];
+
+	const struct dispc_features *feat;
+
+	bool is_enabled;
+
+	struct regmap *syscon_pol;
+	u32 syscon_pol_offset;
+
+	/* DISPC_CONTROL & DISPC_CONFIG lock*/
+	spinlock_t control_lock;
+} dispc;
+
+enum omap_color_component {
+	/* used for all color formats for OMAP3 and earlier
+	 * and for RGB and Y color component on OMAP4
+	 */
+	DISPC_COLOR_COMPONENT_RGB_Y		= 1 << 0,
+	/* used for UV component for
+	 * OMAP_DSS_COLOR_YUV2, OMAP_DSS_COLOR_UYVY, OMAP_DSS_COLOR_NV12
+	 * color formats on OMAP4
+	 */
+	DISPC_COLOR_COMPONENT_UV		= 1 << 1,
+};
+
+enum mgr_reg_fields {
+	DISPC_MGR_FLD_ENABLE,
+	DISPC_MGR_FLD_STNTFT,
+	DISPC_MGR_FLD_GO,
+	DISPC_MGR_FLD_TFTDATALINES,
+	DISPC_MGR_FLD_STALLMODE,
+	DISPC_MGR_FLD_TCKENABLE,
+	DISPC_MGR_FLD_TCKSELECTION,
+	DISPC_MGR_FLD_CPR,
+	DISPC_MGR_FLD_FIFOHANDCHECK,
+	/* used to maintain a count of the above fields */
+	DISPC_MGR_FLD_NUM,
+};
+
+struct dispc_reg_field {
+	u16 reg;
+	u8 high;
+	u8 low;
+};
+
+static const struct {
+	const char *name;
+	u32 vsync_irq;
+	u32 framedone_irq;
+	u32 sync_lost_irq;
+	struct dispc_reg_field reg_desc[DISPC_MGR_FLD_NUM];
+} mgr_desc[] = {
+	[OMAP_DSS_CHANNEL_LCD] = {
+		.name		= "LCD",
+		.vsync_irq	= DISPC_IRQ_VSYNC,
+		.framedone_irq	= DISPC_IRQ_FRAMEDONE,
+		.sync_lost_irq	= DISPC_IRQ_SYNC_LOST,
+		.reg_desc	= {
+			[DISPC_MGR_FLD_ENABLE]		= { DISPC_CONTROL,  0,  0 },
+			[DISPC_MGR_FLD_STNTFT]		= { DISPC_CONTROL,  3,  3 },
+			[DISPC_MGR_FLD_GO]		= { DISPC_CONTROL,  5,  5 },
+			[DISPC_MGR_FLD_TFTDATALINES]	= { DISPC_CONTROL,  9,  8 },
+			[DISPC_MGR_FLD_STALLMODE]	= { DISPC_CONTROL, 11, 11 },
+			[DISPC_MGR_FLD_TCKENABLE]	= { DISPC_CONFIG,  10, 10 },
+			[DISPC_MGR_FLD_TCKSELECTION]	= { DISPC_CONFIG,  11, 11 },
+			[DISPC_MGR_FLD_CPR]		= { DISPC_CONFIG,  15, 15 },
+			[DISPC_MGR_FLD_FIFOHANDCHECK]	= { DISPC_CONFIG,  16, 16 },
+		},
+	},
+	[OMAP_DSS_CHANNEL_DIGIT] = {
+		.name		= "DIGIT",
+		.vsync_irq	= DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_EVSYNC_EVEN,
+		.framedone_irq	= DISPC_IRQ_FRAMEDONETV,
+		.sync_lost_irq	= DISPC_IRQ_SYNC_LOST_DIGIT,
+		.reg_desc	= {
+			[DISPC_MGR_FLD_ENABLE]		= { DISPC_CONTROL,  1,  1 },
+			[DISPC_MGR_FLD_STNTFT]		= { },
+			[DISPC_MGR_FLD_GO]		= { DISPC_CONTROL,  6,  6 },
+			[DISPC_MGR_FLD_TFTDATALINES]	= { },
+			[DISPC_MGR_FLD_STALLMODE]	= { },
+			[DISPC_MGR_FLD_TCKENABLE]	= { DISPC_CONFIG,  12, 12 },
+			[DISPC_MGR_FLD_TCKSELECTION]	= { DISPC_CONFIG,  13, 13 },
+			[DISPC_MGR_FLD_CPR]		= { },
+			[DISPC_MGR_FLD_FIFOHANDCHECK]	= { DISPC_CONFIG,  16, 16 },
+		},
+	},
+	[OMAP_DSS_CHANNEL_LCD2] = {
+		.name		= "LCD2",
+		.vsync_irq	= DISPC_IRQ_VSYNC2,
+		.framedone_irq	= DISPC_IRQ_FRAMEDONE2,
+		.sync_lost_irq	= DISPC_IRQ_SYNC_LOST2,
+		.reg_desc	= {
+			[DISPC_MGR_FLD_ENABLE]		= { DISPC_CONTROL2,  0,  0 },
+			[DISPC_MGR_FLD_STNTFT]		= { DISPC_CONTROL2,  3,  3 },
+			[DISPC_MGR_FLD_GO]		= { DISPC_CONTROL2,  5,  5 },
+			[DISPC_MGR_FLD_TFTDATALINES]	= { DISPC_CONTROL2,  9,  8 },
+			[DISPC_MGR_FLD_STALLMODE]	= { DISPC_CONTROL2, 11, 11 },
+			[DISPC_MGR_FLD_TCKENABLE]	= { DISPC_CONFIG2,  10, 10 },
+			[DISPC_MGR_FLD_TCKSELECTION]	= { DISPC_CONFIG2,  11, 11 },
+			[DISPC_MGR_FLD_CPR]		= { DISPC_CONFIG2,  15, 15 },
+			[DISPC_MGR_FLD_FIFOHANDCHECK]	= { DISPC_CONFIG2,  16, 16 },
+		},
+	},
+	[OMAP_DSS_CHANNEL_LCD3] = {
+		.name		= "LCD3",
+		.vsync_irq	= DISPC_IRQ_VSYNC3,
+		.framedone_irq	= DISPC_IRQ_FRAMEDONE3,
+		.sync_lost_irq	= DISPC_IRQ_SYNC_LOST3,
+		.reg_desc	= {
+			[DISPC_MGR_FLD_ENABLE]		= { DISPC_CONTROL3,  0,  0 },
+			[DISPC_MGR_FLD_STNTFT]		= { DISPC_CONTROL3,  3,  3 },
+			[DISPC_MGR_FLD_GO]		= { DISPC_CONTROL3,  5,  5 },
+			[DISPC_MGR_FLD_TFTDATALINES]	= { DISPC_CONTROL3,  9,  8 },
+			[DISPC_MGR_FLD_STALLMODE]	= { DISPC_CONTROL3, 11, 11 },
+			[DISPC_MGR_FLD_TCKENABLE]	= { DISPC_CONFIG3,  10, 10 },
+			[DISPC_MGR_FLD_TCKSELECTION]	= { DISPC_CONFIG3,  11, 11 },
+			[DISPC_MGR_FLD_CPR]		= { DISPC_CONFIG3,  15, 15 },
+			[DISPC_MGR_FLD_FIFOHANDCHECK]	= { DISPC_CONFIG3,  16, 16 },
+		},
+	},
+};
+
+struct color_conv_coef {
+	int ry, rcr, rcb, gy, gcr, gcb, by, bcr, bcb;
+	int full_range;
+};
+
+static unsigned long dispc_fclk_rate(void);
+static unsigned long dispc_core_clk_rate(void);
+static unsigned long dispc_mgr_lclk_rate(enum omap_channel channel);
+static unsigned long dispc_mgr_pclk_rate(enum omap_channel channel);
+
+static unsigned long dispc_plane_pclk_rate(enum omap_plane plane);
+static unsigned long dispc_plane_lclk_rate(enum omap_plane plane);
+
+static inline void dispc_write_reg(const u16 idx, u32 val)
+{
+	__raw_writel(val, dispc.base + idx);
+}
+
+static inline u32 dispc_read_reg(const u16 idx)
+{
+	return __raw_readl(dispc.base + idx);
+}
+
+static u32 mgr_fld_read(enum omap_channel channel, enum mgr_reg_fields regfld)
+{
+	const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
+	return REG_GET(rfld.reg, rfld.high, rfld.low);
+}
+
+static void mgr_fld_write(enum omap_channel channel,
+					enum mgr_reg_fields regfld, int val) {
+	const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
+	const bool need_lock = rfld.reg == DISPC_CONTROL || rfld.reg == DISPC_CONFIG;
+	unsigned long flags;
+
+	if (need_lock)
+		spin_lock_irqsave(&dispc.control_lock, flags);
+
+	REG_FLD_MOD(rfld.reg, val, rfld.high, rfld.low);
+
+	if (need_lock)
+		spin_unlock_irqrestore(&dispc.control_lock, flags);
+}
+
+#define SR(reg) \
+	dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg)
+#define RR(reg) \
+	dispc_write_reg(DISPC_##reg, dispc.ctx[DISPC_##reg / sizeof(u32)])
+
+static void dispc_save_context(void)
+{
+	int i, j;
+
+	DSSDBG("dispc_save_context\n");
+
+	SR(IRQENABLE);
+	SR(CONTROL);
+	SR(CONFIG);
+	SR(LINE_NUMBER);
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
+			dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		SR(GLOBAL_ALPHA);
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		SR(CONTROL2);
+		SR(CONFIG2);
+	}
+	if (dss_has_feature(FEAT_MGR_LCD3)) {
+		SR(CONTROL3);
+		SR(CONFIG3);
+	}
+
+	for (i = 0; i < dss_feat_get_num_mgrs(); i++) {
+		SR(DEFAULT_COLOR(i));
+		SR(TRANS_COLOR(i));
+		SR(SIZE_MGR(i));
+		if (i == OMAP_DSS_CHANNEL_DIGIT)
+			continue;
+		SR(TIMING_H(i));
+		SR(TIMING_V(i));
+		SR(POL_FREQ(i));
+		SR(DIVISORo(i));
+
+		SR(DATA_CYCLE1(i));
+		SR(DATA_CYCLE2(i));
+		SR(DATA_CYCLE3(i));
+
+		if (dss_has_feature(FEAT_CPR)) {
+			SR(CPR_COEF_R(i));
+			SR(CPR_COEF_G(i));
+			SR(CPR_COEF_B(i));
+		}
+	}
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++) {
+		SR(OVL_BA0(i));
+		SR(OVL_BA1(i));
+		SR(OVL_POSITION(i));
+		SR(OVL_SIZE(i));
+		SR(OVL_ATTRIBUTES(i));
+		SR(OVL_FIFO_THRESHOLD(i));
+		SR(OVL_ROW_INC(i));
+		SR(OVL_PIXEL_INC(i));
+		if (dss_has_feature(FEAT_PRELOAD))
+			SR(OVL_PRELOAD(i));
+		if (i == OMAP_DSS_GFX) {
+			SR(OVL_WINDOW_SKIP(i));
+			SR(OVL_TABLE_BA(i));
+			continue;
+		}
+		SR(OVL_FIR(i));
+		SR(OVL_PICTURE_SIZE(i));
+		SR(OVL_ACCU0(i));
+		SR(OVL_ACCU1(i));
+
+		for (j = 0; j < 8; j++)
+			SR(OVL_FIR_COEF_H(i, j));
+
+		for (j = 0; j < 8; j++)
+			SR(OVL_FIR_COEF_HV(i, j));
+
+		for (j = 0; j < 5; j++)
+			SR(OVL_CONV_COEF(i, j));
+
+		if (dss_has_feature(FEAT_FIR_COEF_V)) {
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_V(i, j));
+		}
+
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			SR(OVL_BA0_UV(i));
+			SR(OVL_BA1_UV(i));
+			SR(OVL_FIR2(i));
+			SR(OVL_ACCU2_0(i));
+			SR(OVL_ACCU2_1(i));
+
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_H2(i, j));
+
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_HV2(i, j));
+
+			for (j = 0; j < 8; j++)
+				SR(OVL_FIR_COEF_V2(i, j));
+		}
+		if (dss_has_feature(FEAT_ATTR2))
+			SR(OVL_ATTRIBUTES2(i));
+	}
+
+	if (dss_has_feature(FEAT_CORE_CLK_DIV))
+		SR(DIVISOR);
+
+	dispc.ctx_valid = true;
+
+	DSSDBG("context saved\n");
+}
+
+static void dispc_restore_context(void)
+{
+	int i, j;
+
+	DSSDBG("dispc_restore_context\n");
+
+	if (!dispc.ctx_valid)
+		return;
+
+	/*RR(IRQENABLE);*/
+	/*RR(CONTROL);*/
+	RR(CONFIG);
+	RR(LINE_NUMBER);
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
+			dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		RR(GLOBAL_ALPHA);
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		RR(CONFIG2);
+	if (dss_has_feature(FEAT_MGR_LCD3))
+		RR(CONFIG3);
+
+	for (i = 0; i < dss_feat_get_num_mgrs(); i++) {
+		RR(DEFAULT_COLOR(i));
+		RR(TRANS_COLOR(i));
+		RR(SIZE_MGR(i));
+		if (i == OMAP_DSS_CHANNEL_DIGIT)
+			continue;
+		RR(TIMING_H(i));
+		RR(TIMING_V(i));
+		RR(POL_FREQ(i));
+		RR(DIVISORo(i));
+
+		RR(DATA_CYCLE1(i));
+		RR(DATA_CYCLE2(i));
+		RR(DATA_CYCLE3(i));
+
+		if (dss_has_feature(FEAT_CPR)) {
+			RR(CPR_COEF_R(i));
+			RR(CPR_COEF_G(i));
+			RR(CPR_COEF_B(i));
+		}
+	}
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++) {
+		RR(OVL_BA0(i));
+		RR(OVL_BA1(i));
+		RR(OVL_POSITION(i));
+		RR(OVL_SIZE(i));
+		RR(OVL_ATTRIBUTES(i));
+		RR(OVL_FIFO_THRESHOLD(i));
+		RR(OVL_ROW_INC(i));
+		RR(OVL_PIXEL_INC(i));
+		if (dss_has_feature(FEAT_PRELOAD))
+			RR(OVL_PRELOAD(i));
+		if (i == OMAP_DSS_GFX) {
+			RR(OVL_WINDOW_SKIP(i));
+			RR(OVL_TABLE_BA(i));
+			continue;
+		}
+		RR(OVL_FIR(i));
+		RR(OVL_PICTURE_SIZE(i));
+		RR(OVL_ACCU0(i));
+		RR(OVL_ACCU1(i));
+
+		for (j = 0; j < 8; j++)
+			RR(OVL_FIR_COEF_H(i, j));
+
+		for (j = 0; j < 8; j++)
+			RR(OVL_FIR_COEF_HV(i, j));
+
+		for (j = 0; j < 5; j++)
+			RR(OVL_CONV_COEF(i, j));
+
+		if (dss_has_feature(FEAT_FIR_COEF_V)) {
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_V(i, j));
+		}
+
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			RR(OVL_BA0_UV(i));
+			RR(OVL_BA1_UV(i));
+			RR(OVL_FIR2(i));
+			RR(OVL_ACCU2_0(i));
+			RR(OVL_ACCU2_1(i));
+
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_H2(i, j));
+
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_HV2(i, j));
+
+			for (j = 0; j < 8; j++)
+				RR(OVL_FIR_COEF_V2(i, j));
+		}
+		if (dss_has_feature(FEAT_ATTR2))
+			RR(OVL_ATTRIBUTES2(i));
+	}
+
+	if (dss_has_feature(FEAT_CORE_CLK_DIV))
+		RR(DIVISOR);
+
+	/* enable last, because LCD & DIGIT enable are here */
+	RR(CONTROL);
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		RR(CONTROL2);
+	if (dss_has_feature(FEAT_MGR_LCD3))
+		RR(CONTROL3);
+	/* clear spurious SYNC_LOST_DIGIT interrupts */
+	dispc_clear_irqstatus(DISPC_IRQ_SYNC_LOST_DIGIT);
+
+	/*
+	 * enable last so IRQs won't trigger before
+	 * the context is fully restored
+	 */
+	RR(IRQENABLE);
+
+	DSSDBG("context restored\n");
+}
+
+#undef SR
+#undef RR
+
+int dispc_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("dispc_runtime_get\n");
+
+	r = pm_runtime_resume_and_get(&dispc.pdev->dev);
+	if (WARN_ON(r < 0))
+		return r;
+	return 0;
+}
+EXPORT_SYMBOL(dispc_runtime_get);
+
+void dispc_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("dispc_runtime_put\n");
+
+	r = pm_runtime_put_sync(&dispc.pdev->dev);
+	WARN_ON(r < 0 && r != -ENOSYS);
+}
+EXPORT_SYMBOL(dispc_runtime_put);
+
+u32 dispc_mgr_get_vsync_irq(enum omap_channel channel)
+{
+	return mgr_desc[channel].vsync_irq;
+}
+EXPORT_SYMBOL(dispc_mgr_get_vsync_irq);
+
+u32 dispc_mgr_get_framedone_irq(enum omap_channel channel)
+{
+	if (channel == OMAP_DSS_CHANNEL_DIGIT && dispc.feat->no_framedone_tv)
+		return 0;
+
+	return mgr_desc[channel].framedone_irq;
+}
+EXPORT_SYMBOL(dispc_mgr_get_framedone_irq);
+
+u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel)
+{
+	return mgr_desc[channel].sync_lost_irq;
+}
+EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq);
+
+bool dispc_mgr_go_busy(enum omap_channel channel)
+{
+	return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
+}
+EXPORT_SYMBOL(dispc_mgr_go_busy);
+
+void dispc_mgr_go(enum omap_channel channel)
+{
+	WARN_ON(!dispc_mgr_is_enabled(channel));
+	WARN_ON(dispc_mgr_go_busy(channel));
+
+	DSSDBG("GO %s\n", mgr_desc[channel].name);
+
+	mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1);
+}
+EXPORT_SYMBOL(dispc_mgr_go);
+
+static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value)
+{
+	dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value);
+}
+
+static void dispc_ovl_write_firhv_reg(enum omap_plane plane, int reg, u32 value)
+{
+	dispc_write_reg(DISPC_OVL_FIR_COEF_HV(plane, reg), value);
+}
+
+static void dispc_ovl_write_firv_reg(enum omap_plane plane, int reg, u32 value)
+{
+	dispc_write_reg(DISPC_OVL_FIR_COEF_V(plane, reg), value);
+}
+
+static void dispc_ovl_write_firh2_reg(enum omap_plane plane, int reg, u32 value)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_write_reg(DISPC_OVL_FIR_COEF_H2(plane, reg), value);
+}
+
+static void dispc_ovl_write_firhv2_reg(enum omap_plane plane, int reg,
+		u32 value)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_write_reg(DISPC_OVL_FIR_COEF_HV2(plane, reg), value);
+}
+
+static void dispc_ovl_write_firv2_reg(enum omap_plane plane, int reg, u32 value)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_write_reg(DISPC_OVL_FIR_COEF_V2(plane, reg), value);
+}
+
+static void dispc_ovl_set_scale_coef(enum omap_plane plane, int fir_hinc,
+				int fir_vinc, int five_taps,
+				enum omap_color_component color_comp)
+{
+	const struct dispc_coef *h_coef, *v_coef;
+	int i;
+
+	h_coef = dispc_ovl_get_scale_coef(fir_hinc, true);
+	v_coef = dispc_ovl_get_scale_coef(fir_vinc, five_taps);
+
+	for (i = 0; i < 8; i++) {
+		u32 h, hv;
+
+		h = FLD_VAL(h_coef[i].hc0_vc00, 7, 0)
+			| FLD_VAL(h_coef[i].hc1_vc0, 15, 8)
+			| FLD_VAL(h_coef[i].hc2_vc1, 23, 16)
+			| FLD_VAL(h_coef[i].hc3_vc2, 31, 24);
+		hv = FLD_VAL(h_coef[i].hc4_vc22, 7, 0)
+			| FLD_VAL(v_coef[i].hc1_vc0, 15, 8)
+			| FLD_VAL(v_coef[i].hc2_vc1, 23, 16)
+			| FLD_VAL(v_coef[i].hc3_vc2, 31, 24);
+
+		if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) {
+			dispc_ovl_write_firh_reg(plane, i, h);
+			dispc_ovl_write_firhv_reg(plane, i, hv);
+		} else {
+			dispc_ovl_write_firh2_reg(plane, i, h);
+			dispc_ovl_write_firhv2_reg(plane, i, hv);
+		}
+
+	}
+
+	if (five_taps) {
+		for (i = 0; i < 8; i++) {
+			u32 v;
+			v = FLD_VAL(v_coef[i].hc0_vc00, 7, 0)
+				| FLD_VAL(v_coef[i].hc4_vc22, 15, 8);
+			if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y)
+				dispc_ovl_write_firv_reg(plane, i, v);
+			else
+				dispc_ovl_write_firv2_reg(plane, i, v);
+		}
+	}
+}
+
+
+static void dispc_ovl_write_color_conv_coef(enum omap_plane plane,
+		const struct color_conv_coef *ct)
+{
+#define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0))
+
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 0), CVAL(ct->rcr, ct->ry));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 1), CVAL(ct->gy,  ct->rcb));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 2), CVAL(ct->gcb, ct->gcr));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 3), CVAL(ct->bcr, ct->by));
+	dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 4), CVAL(0, ct->bcb));
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), ct->full_range, 11, 11);
+
+#undef CVAL
+}
+
+static void dispc_setup_color_conv_coef(void)
+{
+	int i;
+	int num_ovl = dss_feat_get_num_ovls();
+	const struct color_conv_coef ctbl_bt601_5_ovl = {
+		/* YUV -> RGB */
+		298, 409, 0, 298, -208, -100, 298, 0, 517, 0,
+	};
+	const struct color_conv_coef ctbl_bt601_5_wb = {
+		/* RGB -> YUV */
+		66, 129, 25, 112, -94, -18, -38, -74, 112, 0,
+	};
+
+	for (i = 1; i < num_ovl; i++)
+		dispc_ovl_write_color_conv_coef(i, &ctbl_bt601_5_ovl);
+
+	if (dispc.feat->has_writeback)
+		dispc_ovl_write_color_conv_coef(OMAP_DSS_WB, &ctbl_bt601_5_wb);
+}
+
+static void dispc_ovl_set_ba0(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA0(plane), paddr);
+}
+
+static void dispc_ovl_set_ba1(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA1(plane), paddr);
+}
+
+static void dispc_ovl_set_ba0_uv(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA0_UV(plane), paddr);
+}
+
+static void dispc_ovl_set_ba1_uv(enum omap_plane plane, u32 paddr)
+{
+	dispc_write_reg(DISPC_OVL_BA1_UV(plane), paddr);
+}
+
+static void dispc_ovl_set_pos(enum omap_plane plane,
+		enum omap_overlay_caps caps, int x, int y)
+{
+	u32 val;
+
+	if ((caps & OMAP_DSS_OVL_CAP_POS) == 0)
+		return;
+
+	val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0);
+
+	dispc_write_reg(DISPC_OVL_POSITION(plane), val);
+}
+
+static void dispc_ovl_set_input_size(enum omap_plane plane, int width,
+		int height)
+{
+	u32 val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
+
+	if (plane == OMAP_DSS_GFX || plane == OMAP_DSS_WB)
+		dispc_write_reg(DISPC_OVL_SIZE(plane), val);
+	else
+		dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val);
+}
+
+static void dispc_ovl_set_output_size(enum omap_plane plane, int width,
+		int height)
+{
+	u32 val;
+
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
+
+	if (plane == OMAP_DSS_WB)
+		dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val);
+	else
+		dispc_write_reg(DISPC_OVL_SIZE(plane), val);
+}
+
+static void dispc_ovl_set_zorder(enum omap_plane plane,
+		enum omap_overlay_caps caps, u8 zorder)
+{
+	if ((caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
+		return;
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), zorder, 27, 26);
+}
+
+static void dispc_ovl_enable_zorder_planes(void)
+{
+	int i;
+
+	if (!dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		return;
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++)
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), 1, 25, 25);
+}
+
+static void dispc_ovl_set_pre_mult_alpha(enum omap_plane plane,
+		enum omap_overlay_caps caps, bool enable)
+{
+	if ((caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
+		return;
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 28, 28);
+}
+
+static void dispc_ovl_setup_global_alpha(enum omap_plane plane,
+		enum omap_overlay_caps caps, u8 global_alpha)
+{
+	static const unsigned shifts[] = { 0, 8, 16, 24, };
+	int shift;
+
+	if ((caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
+		return;
+
+	shift = shifts[plane];
+	REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, shift + 7, shift);
+}
+
+static void dispc_ovl_set_pix_inc(enum omap_plane plane, s32 inc)
+{
+	dispc_write_reg(DISPC_OVL_PIXEL_INC(plane), inc);
+}
+
+static void dispc_ovl_set_row_inc(enum omap_plane plane, s32 inc)
+{
+	dispc_write_reg(DISPC_OVL_ROW_INC(plane), inc);
+}
+
+static void dispc_ovl_set_color_mode(enum omap_plane plane,
+		enum omap_color_mode color_mode)
+{
+	u32 m = 0;
+	if (plane != OMAP_DSS_GFX) {
+		switch (color_mode) {
+		case OMAP_DSS_COLOR_NV12:
+			m = 0x0; break;
+		case OMAP_DSS_COLOR_RGBX16:
+			m = 0x1; break;
+		case OMAP_DSS_COLOR_RGBA16:
+			m = 0x2; break;
+		case OMAP_DSS_COLOR_RGB12U:
+			m = 0x4; break;
+		case OMAP_DSS_COLOR_ARGB16:
+			m = 0x5; break;
+		case OMAP_DSS_COLOR_RGB16:
+			m = 0x6; break;
+		case OMAP_DSS_COLOR_ARGB16_1555:
+			m = 0x7; break;
+		case OMAP_DSS_COLOR_RGB24U:
+			m = 0x8; break;
+		case OMAP_DSS_COLOR_RGB24P:
+			m = 0x9; break;
+		case OMAP_DSS_COLOR_YUV2:
+			m = 0xa; break;
+		case OMAP_DSS_COLOR_UYVY:
+			m = 0xb; break;
+		case OMAP_DSS_COLOR_ARGB32:
+			m = 0xc; break;
+		case OMAP_DSS_COLOR_RGBA32:
+			m = 0xd; break;
+		case OMAP_DSS_COLOR_RGBX32:
+			m = 0xe; break;
+		case OMAP_DSS_COLOR_XRGB16_1555:
+			m = 0xf; break;
+		default:
+			BUG(); return;
+		}
+	} else {
+		switch (color_mode) {
+		case OMAP_DSS_COLOR_CLUT1:
+			m = 0x0; break;
+		case OMAP_DSS_COLOR_CLUT2:
+			m = 0x1; break;
+		case OMAP_DSS_COLOR_CLUT4:
+			m = 0x2; break;
+		case OMAP_DSS_COLOR_CLUT8:
+			m = 0x3; break;
+		case OMAP_DSS_COLOR_RGB12U:
+			m = 0x4; break;
+		case OMAP_DSS_COLOR_ARGB16:
+			m = 0x5; break;
+		case OMAP_DSS_COLOR_RGB16:
+			m = 0x6; break;
+		case OMAP_DSS_COLOR_ARGB16_1555:
+			m = 0x7; break;
+		case OMAP_DSS_COLOR_RGB24U:
+			m = 0x8; break;
+		case OMAP_DSS_COLOR_RGB24P:
+			m = 0x9; break;
+		case OMAP_DSS_COLOR_RGBX16:
+			m = 0xa; break;
+		case OMAP_DSS_COLOR_RGBA16:
+			m = 0xb; break;
+		case OMAP_DSS_COLOR_ARGB32:
+			m = 0xc; break;
+		case OMAP_DSS_COLOR_RGBA32:
+			m = 0xd; break;
+		case OMAP_DSS_COLOR_RGBX32:
+			m = 0xe; break;
+		case OMAP_DSS_COLOR_XRGB16_1555:
+			m = 0xf; break;
+		default:
+			BUG(); return;
+		}
+	}
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), m, 4, 1);
+}
+
+static void dispc_ovl_configure_burst_type(enum omap_plane plane,
+		enum omap_dss_rotation_type rotation_type)
+{
+	if (!dss_has_feature(FEAT_BURST_2D))
+		return;
+
+	if (rotation_type == OMAP_DSS_ROT_TILER)
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), 1, 29, 29);
+	else
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), 0, 29, 29);
+}
+
+void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel)
+{
+	int shift;
+	u32 val;
+	int chan = 0, chan2 = 0;
+
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		shift = 8;
+		break;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		shift = 16;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		switch (channel) {
+		case OMAP_DSS_CHANNEL_LCD:
+			chan = 0;
+			chan2 = 0;
+			break;
+		case OMAP_DSS_CHANNEL_DIGIT:
+			chan = 1;
+			chan2 = 0;
+			break;
+		case OMAP_DSS_CHANNEL_LCD2:
+			chan = 0;
+			chan2 = 1;
+			break;
+		case OMAP_DSS_CHANNEL_LCD3:
+			if (dss_has_feature(FEAT_MGR_LCD3)) {
+				chan = 0;
+				chan2 = 2;
+			} else {
+				BUG();
+				return;
+			}
+			break;
+		case OMAP_DSS_CHANNEL_WB:
+			chan = 0;
+			chan2 = 3;
+			break;
+		default:
+			BUG();
+			return;
+		}
+
+		val = FLD_MOD(val, chan, shift, shift);
+		val = FLD_MOD(val, chan2, 31, 30);
+	} else {
+		val = FLD_MOD(val, channel, shift, shift);
+	}
+	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
+}
+EXPORT_SYMBOL(dispc_ovl_set_channel_out);
+
+static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
+{
+	int shift;
+	u32 val;
+
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		shift = 8;
+		break;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		shift = 16;
+		break;
+	default:
+		BUG();
+		return 0;
+	}
+
+	val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+
+	if (FLD_GET(val, shift, shift) == 1)
+		return OMAP_DSS_CHANNEL_DIGIT;
+
+	if (!dss_has_feature(FEAT_MGR_LCD2))
+		return OMAP_DSS_CHANNEL_LCD;
+
+	switch (FLD_GET(val, 31, 30)) {
+	case 0:
+	default:
+		return OMAP_DSS_CHANNEL_LCD;
+	case 1:
+		return OMAP_DSS_CHANNEL_LCD2;
+	case 2:
+		return OMAP_DSS_CHANNEL_LCD3;
+	case 3:
+		return OMAP_DSS_CHANNEL_WB;
+	}
+}
+
+static void dispc_ovl_set_burst_size(enum omap_plane plane,
+		enum omap_burst_size burst_size)
+{
+	static const unsigned shifts[] = { 6, 14, 14, 14, 14, };
+	int shift;
+
+	shift = shifts[plane];
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), burst_size, shift + 1, shift);
+}
+
+static void dispc_configure_burst_sizes(void)
+{
+	int i;
+	const int burst_size = BURST_SIZE_X8;
+
+	/* Configure burst size always to maximum size */
+	for (i = 0; i < dss_feat_get_num_ovls(); ++i)
+		dispc_ovl_set_burst_size(i, burst_size);
+	if (dispc.feat->has_writeback)
+		dispc_ovl_set_burst_size(OMAP_DSS_WB, burst_size);
+}
+
+static u32 dispc_ovl_get_burst_size(enum omap_plane plane)
+{
+	unsigned unit = dss_feat_get_burst_size_unit();
+	/* burst multiplier is always x8 (see dispc_configure_burst_sizes()) */
+	return unit * 8;
+}
+
+void dispc_enable_gamma_table(bool enable)
+{
+	/*
+	 * This is partially implemented to support only disabling of
+	 * the gamma table.
+	 */
+	if (enable) {
+		DSSWARN("Gamma table enabling for TV not yet supported");
+		return;
+	}
+
+	REG_FLD_MOD(DISPC_CONFIG, enable, 9, 9);
+}
+
+static void dispc_mgr_enable_cpr(enum omap_channel channel, bool enable)
+{
+	if (channel == OMAP_DSS_CHANNEL_DIGIT)
+		return;
+
+	mgr_fld_write(channel, DISPC_MGR_FLD_CPR, enable);
+}
+
+static void dispc_mgr_set_cpr_coef(enum omap_channel channel,
+		const struct omap_dss_cpr_coefs *coefs)
+{
+	u32 coef_r, coef_g, coef_b;
+
+	if (!dss_mgr_is_lcd(channel))
+		return;
+
+	coef_r = FLD_VAL(coefs->rr, 31, 22) | FLD_VAL(coefs->rg, 20, 11) |
+		FLD_VAL(coefs->rb, 9, 0);
+	coef_g = FLD_VAL(coefs->gr, 31, 22) | FLD_VAL(coefs->gg, 20, 11) |
+		FLD_VAL(coefs->gb, 9, 0);
+	coef_b = FLD_VAL(coefs->br, 31, 22) | FLD_VAL(coefs->bg, 20, 11) |
+		FLD_VAL(coefs->bb, 9, 0);
+
+	dispc_write_reg(DISPC_CPR_COEF_R(channel), coef_r);
+	dispc_write_reg(DISPC_CPR_COEF_G(channel), coef_g);
+	dispc_write_reg(DISPC_CPR_COEF_B(channel), coef_b);
+}
+
+static void dispc_ovl_set_vid_color_conv(enum omap_plane plane, bool enable)
+{
+	u32 val;
+
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+	val = FLD_MOD(val, enable, 9, 9);
+	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
+}
+
+static void dispc_ovl_enable_replication(enum omap_plane plane,
+		enum omap_overlay_caps caps, bool enable)
+{
+	static const unsigned shifts[] = { 5, 10, 10, 10 };
+	int shift;
+
+	if ((caps & OMAP_DSS_OVL_CAP_REPLICATION) == 0)
+		return;
+
+	shift = shifts[plane];
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, shift, shift);
+}
+
+static void dispc_mgr_set_size(enum omap_channel channel, u16 width,
+		u16 height)
+{
+	u32 val;
+
+	val = FLD_VAL(height - 1, dispc.feat->mgr_height_start, 16) |
+		FLD_VAL(width - 1, dispc.feat->mgr_width_start, 0);
+
+	dispc_write_reg(DISPC_SIZE_MGR(channel), val);
+}
+
+static void dispc_init_fifos(void)
+{
+	u32 size;
+	int fifo;
+	u8 start, end;
+	u32 unit;
+	int i;
+
+	unit = dss_feat_get_buffer_size_unit();
+
+	dss_feat_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end);
+
+	for (fifo = 0; fifo < dispc.feat->num_fifos; ++fifo) {
+		size = REG_GET(DISPC_OVL_FIFO_SIZE_STATUS(fifo), start, end);
+		size *= unit;
+		dispc.fifo_size[fifo] = size;
+
+		/*
+		 * By default fifos are mapped directly to overlays, fifo 0 to
+		 * ovl 0, fifo 1 to ovl 1, etc.
+		 */
+		dispc.fifo_assignment[fifo] = fifo;
+	}
+
+	/*
+	 * The GFX fifo on OMAP4 is smaller than the other fifos. The small fifo
+	 * causes problems with certain use cases, like using the tiler in 2D
+	 * mode. The below hack swaps the fifos of GFX and WB planes, thus
+	 * giving GFX plane a larger fifo. WB but should work fine with a
+	 * smaller fifo.
+	 */
+	if (dispc.feat->gfx_fifo_workaround) {
+		u32 v;
+
+		v = dispc_read_reg(DISPC_GLOBAL_BUFFER);
+
+		v = FLD_MOD(v, 4, 2, 0); /* GFX BUF top to WB */
+		v = FLD_MOD(v, 4, 5, 3); /* GFX BUF bottom to WB */
+		v = FLD_MOD(v, 0, 26, 24); /* WB BUF top to GFX */
+		v = FLD_MOD(v, 0, 29, 27); /* WB BUF bottom to GFX */
+
+		dispc_write_reg(DISPC_GLOBAL_BUFFER, v);
+
+		dispc.fifo_assignment[OMAP_DSS_GFX] = OMAP_DSS_WB;
+		dispc.fifo_assignment[OMAP_DSS_WB] = OMAP_DSS_GFX;
+	}
+
+	/*
+	 * Setup default fifo thresholds.
+	 */
+	for (i = 0; i < dss_feat_get_num_ovls(); ++i) {
+		u32 low, high;
+		const bool use_fifomerge = false;
+		const bool manual_update = false;
+
+		dispc_ovl_compute_fifo_thresholds(i, &low, &high,
+			use_fifomerge, manual_update);
+
+		dispc_ovl_set_fifo_threshold(i, low, high);
+	}
+
+	if (dispc.feat->has_writeback) {
+		u32 low, high;
+		const bool use_fifomerge = false;
+		const bool manual_update = false;
+
+		dispc_ovl_compute_fifo_thresholds(OMAP_DSS_WB, &low, &high,
+			use_fifomerge, manual_update);
+
+		dispc_ovl_set_fifo_threshold(OMAP_DSS_WB, low, high);
+	}
+}
+
+static u32 dispc_ovl_get_fifo_size(enum omap_plane plane)
+{
+	int fifo;
+	u32 size = 0;
+
+	for (fifo = 0; fifo < dispc.feat->num_fifos; ++fifo) {
+		if (dispc.fifo_assignment[fifo] == plane)
+			size += dispc.fifo_size[fifo];
+	}
+
+	return size;
+}
+
+void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high)
+{
+	u8 hi_start, hi_end, lo_start, lo_end;
+	u32 unit;
+
+	unit = dss_feat_get_buffer_size_unit();
+
+	WARN_ON(low % unit != 0);
+	WARN_ON(high % unit != 0);
+
+	low /= unit;
+	high /= unit;
+
+	dss_feat_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end);
+	dss_feat_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end);
+
+	DSSDBG("fifo(%d) threshold (bytes), old %u/%u, new %u/%u\n",
+			plane,
+			REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane),
+				lo_start, lo_end) * unit,
+			REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane),
+				hi_start, hi_end) * unit,
+			low * unit, high * unit);
+
+	dispc_write_reg(DISPC_OVL_FIFO_THRESHOLD(plane),
+			FLD_VAL(high, hi_start, hi_end) |
+			FLD_VAL(low, lo_start, lo_end));
+
+	/*
+	 * configure the preload to the pipeline's high threhold, if HT it's too
+	 * large for the preload field, set the threshold to the maximum value
+	 * that can be held by the preload register
+	 */
+	if (dss_has_feature(FEAT_PRELOAD) && dispc.feat->set_max_preload &&
+			plane != OMAP_DSS_WB)
+		dispc_write_reg(DISPC_OVL_PRELOAD(plane), min(high, 0xfffu));
+}
+
+void dispc_enable_fifomerge(bool enable)
+{
+	if (!dss_has_feature(FEAT_FIFO_MERGE)) {
+		WARN_ON(enable);
+		return;
+	}
+
+	DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled");
+	REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14);
+}
+
+void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
+		u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
+		bool manual_update)
+{
+	/*
+	 * All sizes are in bytes. Both the buffer and burst are made of
+	 * buffer_units, and the fifo thresholds must be buffer_unit aligned.
+	 */
+
+	unsigned buf_unit = dss_feat_get_buffer_size_unit();
+	unsigned ovl_fifo_size, total_fifo_size, burst_size;
+	int i;
+
+	burst_size = dispc_ovl_get_burst_size(plane);
+	ovl_fifo_size = dispc_ovl_get_fifo_size(plane);
+
+	if (use_fifomerge) {
+		total_fifo_size = 0;
+		for (i = 0; i < dss_feat_get_num_ovls(); ++i)
+			total_fifo_size += dispc_ovl_get_fifo_size(i);
+	} else {
+		total_fifo_size = ovl_fifo_size;
+	}
+
+	/*
+	 * We use the same low threshold for both fifomerge and non-fifomerge
+	 * cases, but for fifomerge we calculate the high threshold using the
+	 * combined fifo size
+	 */
+
+	if (manual_update && dss_has_feature(FEAT_OMAP3_DSI_FIFO_BUG)) {
+		*fifo_low = ovl_fifo_size - burst_size * 2;
+		*fifo_high = total_fifo_size - burst_size;
+	} else if (plane == OMAP_DSS_WB) {
+		/*
+		 * Most optimal configuration for writeback is to push out data
+		 * to the interconnect the moment writeback pushes enough pixels
+		 * in the FIFO to form a burst
+		 */
+		*fifo_low = 0;
+		*fifo_high = burst_size;
+	} else {
+		*fifo_low = ovl_fifo_size - burst_size;
+		*fifo_high = total_fifo_size - buf_unit;
+	}
+}
+
+static void dispc_ovl_set_mflag(enum omap_plane plane, bool enable)
+{
+	int bit;
+
+	if (plane == OMAP_DSS_GFX)
+		bit = 14;
+	else
+		bit = 23;
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, bit, bit);
+}
+
+static void dispc_ovl_set_mflag_threshold(enum omap_plane plane,
+	int low, int high)
+{
+	dispc_write_reg(DISPC_OVL_MFLAG_THRESHOLD(plane),
+		FLD_VAL(high, 31, 16) |	FLD_VAL(low, 15, 0));
+}
+
+static void dispc_init_mflag(void)
+{
+	int i;
+
+	/*
+	 * HACK: NV12 color format and MFLAG seem to have problems working
+	 * together: using two displays, and having an NV12 overlay on one of
+	 * the displays will cause underflows/synclosts when MFLAG_CTRL=2.
+	 * Changing MFLAG thresholds and PRELOAD to certain values seem to
+	 * remove the errors, but there doesn't seem to be a clear logic on
+	 * which values work and which not.
+	 *
+	 * As a work-around, set force MFLAG to always on.
+	 */
+	dispc_write_reg(DISPC_GLOBAL_MFLAG_ATTRIBUTE,
+		(1 << 0) |	/* MFLAG_CTRL = force always on */
+		(0 << 2));	/* MFLAG_START = disable */
+
+	for (i = 0; i < dss_feat_get_num_ovls(); ++i) {
+		u32 size = dispc_ovl_get_fifo_size(i);
+		u32 unit = dss_feat_get_buffer_size_unit();
+		u32 low, high;
+
+		dispc_ovl_set_mflag(i, true);
+
+		/*
+		 * Simulation team suggests below thesholds:
+		 * HT = fifosize * 5 / 8;
+		 * LT = fifosize * 4 / 8;
+		 */
+
+		low = size * 4 / 8 / unit;
+		high = size * 5 / 8 / unit;
+
+		dispc_ovl_set_mflag_threshold(i, low, high);
+	}
+
+	if (dispc.feat->has_writeback) {
+		u32 size = dispc_ovl_get_fifo_size(OMAP_DSS_WB);
+		u32 unit = dss_feat_get_buffer_size_unit();
+		u32 low, high;
+
+		dispc_ovl_set_mflag(OMAP_DSS_WB, true);
+
+		/*
+		 * Simulation team suggests below thesholds:
+		 * HT = fifosize * 5 / 8;
+		 * LT = fifosize * 4 / 8;
+		 */
+
+		low = size * 4 / 8 / unit;
+		high = size * 5 / 8 / unit;
+
+		dispc_ovl_set_mflag_threshold(OMAP_DSS_WB, low, high);
+	}
+}
+
+static void dispc_ovl_set_fir(enum omap_plane plane,
+				int hinc, int vinc,
+				enum omap_color_component color_comp)
+{
+	u32 val;
+
+	if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) {
+		u8 hinc_start, hinc_end, vinc_start, vinc_end;
+
+		dss_feat_get_reg_field(FEAT_REG_FIRHINC,
+					&hinc_start, &hinc_end);
+		dss_feat_get_reg_field(FEAT_REG_FIRVINC,
+					&vinc_start, &vinc_end);
+		val = FLD_VAL(vinc, vinc_start, vinc_end) |
+				FLD_VAL(hinc, hinc_start, hinc_end);
+
+		dispc_write_reg(DISPC_OVL_FIR(plane), val);
+	} else {
+		val = FLD_VAL(vinc, 28, 16) | FLD_VAL(hinc, 12, 0);
+		dispc_write_reg(DISPC_OVL_FIR2(plane), val);
+	}
+}
+
+static void dispc_ovl_set_vid_accu0(enum omap_plane plane, int haccu, int vaccu)
+{
+	u32 val;
+	u8 hor_start, hor_end, vert_start, vert_end;
+
+	dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
+	dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+
+	val = FLD_VAL(vaccu, vert_start, vert_end) |
+			FLD_VAL(haccu, hor_start, hor_end);
+
+	dispc_write_reg(DISPC_OVL_ACCU0(plane), val);
+}
+
+static void dispc_ovl_set_vid_accu1(enum omap_plane plane, int haccu, int vaccu)
+{
+	u32 val;
+	u8 hor_start, hor_end, vert_start, vert_end;
+
+	dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
+	dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+
+	val = FLD_VAL(vaccu, vert_start, vert_end) |
+			FLD_VAL(haccu, hor_start, hor_end);
+
+	dispc_write_reg(DISPC_OVL_ACCU1(plane), val);
+}
+
+static void dispc_ovl_set_vid_accu2_0(enum omap_plane plane, int haccu,
+		int vaccu)
+{
+	u32 val;
+
+	val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0);
+	dispc_write_reg(DISPC_OVL_ACCU2_0(plane), val);
+}
+
+static void dispc_ovl_set_vid_accu2_1(enum omap_plane plane, int haccu,
+		int vaccu)
+{
+	u32 val;
+
+	val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0);
+	dispc_write_reg(DISPC_OVL_ACCU2_1(plane), val);
+}
+
+static void dispc_ovl_set_scale_param(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool five_taps, u8 rotation,
+		enum omap_color_component color_comp)
+{
+	int fir_hinc, fir_vinc;
+
+	fir_hinc = 1024 * orig_width / out_width;
+	fir_vinc = 1024 * orig_height / out_height;
+
+	dispc_ovl_set_scale_coef(plane, fir_hinc, fir_vinc, five_taps,
+				color_comp);
+	dispc_ovl_set_fir(plane, fir_hinc, fir_vinc, color_comp);
+}
+
+static void dispc_ovl_set_accu_uv(enum omap_plane plane,
+		u16 orig_width,	u16 orig_height, u16 out_width, u16 out_height,
+		bool ilace, enum omap_color_mode color_mode, u8 rotation)
+{
+	int h_accu2_0, h_accu2_1;
+	int v_accu2_0, v_accu2_1;
+	int chroma_hinc, chroma_vinc;
+	int idx;
+
+	struct accu {
+		s8 h0_m, h0_n;
+		s8 h1_m, h1_n;
+		s8 v0_m, v0_n;
+		s8 v1_m, v1_n;
+	};
+
+	const struct accu *accu_table;
+	const struct accu *accu_val;
+
+	static const struct accu accu_nv12[4] = {
+		{  0, 1,  0, 1 , -1, 2, 0, 1 },
+		{  1, 2, -3, 4 ,  0, 1, 0, 1 },
+		{ -1, 1,  0, 1 , -1, 2, 0, 1 },
+		{ -1, 2, -1, 2 , -1, 1, 0, 1 },
+	};
+
+	static const struct accu accu_nv12_ilace[4] = {
+		{  0, 1,  0, 1 , -3, 4, -1, 4 },
+		{ -1, 4, -3, 4 ,  0, 1,  0, 1 },
+		{ -1, 1,  0, 1 , -1, 4, -3, 4 },
+		{ -3, 4, -3, 4 , -1, 1,  0, 1 },
+	};
+
+	static const struct accu accu_yuv[4] = {
+		{  0, 1, 0, 1,  0, 1, 0, 1 },
+		{  0, 1, 0, 1,  0, 1, 0, 1 },
+		{ -1, 1, 0, 1,  0, 1, 0, 1 },
+		{  0, 1, 0, 1, -1, 1, 0, 1 },
+	};
+
+	switch (rotation) {
+	case OMAP_DSS_ROT_0:
+		idx = 0;
+		break;
+	case OMAP_DSS_ROT_90:
+		idx = 1;
+		break;
+	case OMAP_DSS_ROT_180:
+		idx = 2;
+		break;
+	case OMAP_DSS_ROT_270:
+		idx = 3;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_NV12:
+		if (ilace)
+			accu_table = accu_nv12_ilace;
+		else
+			accu_table = accu_nv12;
+		break;
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+		accu_table = accu_yuv;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	accu_val = &accu_table[idx];
+
+	chroma_hinc = 1024 * orig_width / out_width;
+	chroma_vinc = 1024 * orig_height / out_height;
+
+	h_accu2_0 = (accu_val->h0_m * chroma_hinc / accu_val->h0_n) % 1024;
+	h_accu2_1 = (accu_val->h1_m * chroma_hinc / accu_val->h1_n) % 1024;
+	v_accu2_0 = (accu_val->v0_m * chroma_vinc / accu_val->v0_n) % 1024;
+	v_accu2_1 = (accu_val->v1_m * chroma_vinc / accu_val->v1_n) % 1024;
+
+	dispc_ovl_set_vid_accu2_0(plane, h_accu2_0, v_accu2_0);
+	dispc_ovl_set_vid_accu2_1(plane, h_accu2_1, v_accu2_1);
+}
+
+static void dispc_ovl_set_scaling_common(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool ilace, bool five_taps,
+		bool fieldmode, enum omap_color_mode color_mode,
+		u8 rotation)
+{
+	int accu0 = 0;
+	int accu1 = 0;
+	u32 l;
+
+	dispc_ovl_set_scale_param(plane, orig_width, orig_height,
+				out_width, out_height, five_taps,
+				rotation, DISPC_COLOR_COMPONENT_RGB_Y);
+	l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+
+	/* RESIZEENABLE and VERTICALTAPS */
+	l &= ~((0x3 << 5) | (0x1 << 21));
+	l |= (orig_width != out_width) ? (1 << 5) : 0;
+	l |= (orig_height != out_height) ? (1 << 6) : 0;
+	l |= five_taps ? (1 << 21) : 0;
+
+	/* VRESIZECONF and HRESIZECONF */
+	if (dss_has_feature(FEAT_RESIZECONF)) {
+		l &= ~(0x3 << 7);
+		l |= (orig_width <= out_width) ? 0 : (1 << 7);
+		l |= (orig_height <= out_height) ? 0 : (1 << 8);
+	}
+
+	/* LINEBUFFERSPLIT */
+	if (dss_has_feature(FEAT_LINEBUFFERSPLIT)) {
+		l &= ~(0x1 << 22);
+		l |= five_taps ? (1 << 22) : 0;
+	}
+
+	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
+
+	/*
+	 * field 0 = even field = bottom field
+	 * field 1 = odd field = top field
+	 */
+	if (ilace && !fieldmode) {
+		accu1 = 0;
+		accu0 = ((1024 * orig_height / out_height) / 2) & 0x3ff;
+		if (accu0 >= 1024/2) {
+			accu1 = 1024/2;
+			accu0 -= accu1;
+		}
+	}
+
+	dispc_ovl_set_vid_accu0(plane, 0, accu0);
+	dispc_ovl_set_vid_accu1(plane, 0, accu1);
+}
+
+static void dispc_ovl_set_scaling_uv(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool ilace, bool five_taps,
+		bool fieldmode, enum omap_color_mode color_mode,
+		u8 rotation)
+{
+	int scale_x = out_width != orig_width;
+	int scale_y = out_height != orig_height;
+	bool chroma_upscale = plane != OMAP_DSS_WB;
+
+	if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE))
+		return;
+	if ((color_mode != OMAP_DSS_COLOR_YUV2 &&
+			color_mode != OMAP_DSS_COLOR_UYVY &&
+			color_mode != OMAP_DSS_COLOR_NV12)) {
+		/* reset chroma resampling for RGB formats  */
+		if (plane != OMAP_DSS_WB)
+			REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8);
+		return;
+	}
+
+	dispc_ovl_set_accu_uv(plane, orig_width, orig_height, out_width,
+			out_height, ilace, color_mode, rotation);
+
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_NV12:
+		if (chroma_upscale) {
+			/* UV is subsampled by 2 horizontally and vertically */
+			orig_height >>= 1;
+			orig_width >>= 1;
+		} else {
+			/* UV is downsampled by 2 horizontally and vertically */
+			orig_height <<= 1;
+			orig_width <<= 1;
+		}
+
+		break;
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+		/* For YUV422 with 90/270 rotation, we don't upsample chroma */
+		if (rotation == OMAP_DSS_ROT_0 ||
+				rotation == OMAP_DSS_ROT_180) {
+			if (chroma_upscale)
+				/* UV is subsampled by 2 horizontally */
+				orig_width >>= 1;
+			else
+				/* UV is downsampled by 2 horizontally */
+				orig_width <<= 1;
+		}
+
+		/* must use FIR for YUV422 if rotated */
+		if (rotation != OMAP_DSS_ROT_0)
+			scale_x = scale_y = true;
+
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	if (out_width != orig_width)
+		scale_x = true;
+	if (out_height != orig_height)
+		scale_y = true;
+
+	dispc_ovl_set_scale_param(plane, orig_width, orig_height,
+			out_width, out_height, five_taps,
+				rotation, DISPC_COLOR_COMPONENT_UV);
+
+	if (plane != OMAP_DSS_WB)
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane),
+			(scale_x || scale_y) ? 1 : 0, 8, 8);
+
+	/* set H scaling */
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_x ? 1 : 0, 5, 5);
+	/* set V scaling */
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_y ? 1 : 0, 6, 6);
+}
+
+static void dispc_ovl_set_scaling(enum omap_plane plane,
+		u16 orig_width, u16 orig_height,
+		u16 out_width, u16 out_height,
+		bool ilace, bool five_taps,
+		bool fieldmode, enum omap_color_mode color_mode,
+		u8 rotation)
+{
+	BUG_ON(plane == OMAP_DSS_GFX);
+
+	dispc_ovl_set_scaling_common(plane,
+			orig_width, orig_height,
+			out_width, out_height,
+			ilace, five_taps,
+			fieldmode, color_mode,
+			rotation);
+
+	dispc_ovl_set_scaling_uv(plane,
+		orig_width, orig_height,
+		out_width, out_height,
+		ilace, five_taps,
+		fieldmode, color_mode,
+		rotation);
+}
+
+static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation,
+		enum omap_dss_rotation_type rotation_type,
+		bool mirroring, enum omap_color_mode color_mode)
+{
+	bool row_repeat = false;
+	int vidrot = 0;
+
+	if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY) {
+
+		if (mirroring) {
+			switch (rotation) {
+			case OMAP_DSS_ROT_0:
+				vidrot = 2;
+				break;
+			case OMAP_DSS_ROT_90:
+				vidrot = 1;
+				break;
+			case OMAP_DSS_ROT_180:
+				vidrot = 0;
+				break;
+			case OMAP_DSS_ROT_270:
+				vidrot = 3;
+				break;
+			}
+		} else {
+			switch (rotation) {
+			case OMAP_DSS_ROT_0:
+				vidrot = 0;
+				break;
+			case OMAP_DSS_ROT_90:
+				vidrot = 1;
+				break;
+			case OMAP_DSS_ROT_180:
+				vidrot = 2;
+				break;
+			case OMAP_DSS_ROT_270:
+				vidrot = 3;
+				break;
+			}
+		}
+
+		if (rotation == OMAP_DSS_ROT_90 || rotation == OMAP_DSS_ROT_270)
+			row_repeat = true;
+		else
+			row_repeat = false;
+	}
+
+	/*
+	 * OMAP4/5 Errata i631:
+	 * NV12 in 1D mode must use ROTATION=1. Otherwise DSS will fetch extra
+	 * rows beyond the framebuffer, which may cause OCP error.
+	 */
+	if (color_mode == OMAP_DSS_COLOR_NV12 &&
+			rotation_type != OMAP_DSS_ROT_TILER)
+		vidrot = 1;
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12);
+	if (dss_has_feature(FEAT_ROWREPEATENABLE))
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane),
+			row_repeat ? 1 : 0, 18, 18);
+
+	if (color_mode == OMAP_DSS_COLOR_NV12) {
+		bool doublestride = (rotation_type == OMAP_DSS_ROT_TILER) &&
+					(rotation == OMAP_DSS_ROT_0 ||
+					rotation == OMAP_DSS_ROT_180);
+		/* DOUBLESTRIDE */
+		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), doublestride, 22, 22);
+	}
+
+}
+
+static int color_mode_to_bpp(enum omap_color_mode color_mode)
+{
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_CLUT1:
+		return 1;
+	case OMAP_DSS_COLOR_CLUT2:
+		return 2;
+	case OMAP_DSS_COLOR_CLUT4:
+		return 4;
+	case OMAP_DSS_COLOR_CLUT8:
+	case OMAP_DSS_COLOR_NV12:
+		return 8;
+	case OMAP_DSS_COLOR_RGB12U:
+	case OMAP_DSS_COLOR_RGB16:
+	case OMAP_DSS_COLOR_ARGB16:
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+	case OMAP_DSS_COLOR_RGBA16:
+	case OMAP_DSS_COLOR_RGBX16:
+	case OMAP_DSS_COLOR_ARGB16_1555:
+	case OMAP_DSS_COLOR_XRGB16_1555:
+		return 16;
+	case OMAP_DSS_COLOR_RGB24P:
+		return 24;
+	case OMAP_DSS_COLOR_RGB24U:
+	case OMAP_DSS_COLOR_ARGB32:
+	case OMAP_DSS_COLOR_RGBA32:
+	case OMAP_DSS_COLOR_RGBX32:
+		return 32;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static s32 pixinc(int pixels, u8 ps)
+{
+	if (pixels == 1)
+		return 1;
+	else if (pixels > 1)
+		return 1 + (pixels - 1) * ps;
+	else if (pixels < 0)
+		return 1 - (-pixels + 1) * ps;
+	else
+		BUG();
+	return 0;
+}
+
+static void calc_vrfb_rotation_offset(u8 rotation, bool mirror,
+		u16 screen_width,
+		u16 width, u16 height,
+		enum omap_color_mode color_mode, bool fieldmode,
+		unsigned int field_offset,
+		unsigned *offset0, unsigned *offset1,
+		s32 *row_inc, s32 *pix_inc, int x_predecim, int y_predecim)
+{
+	u8 ps;
+
+	/* FIXME CLUT formats */
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_CLUT1:
+	case OMAP_DSS_COLOR_CLUT2:
+	case OMAP_DSS_COLOR_CLUT4:
+	case OMAP_DSS_COLOR_CLUT8:
+		BUG();
+		return;
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+		ps = 4;
+		break;
+	default:
+		ps = color_mode_to_bpp(color_mode) / 8;
+		break;
+	}
+
+	DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width,
+			width, height);
+
+	/*
+	 * field 0 = even field = bottom field
+	 * field 1 = odd field = top field
+	 */
+	switch (rotation + mirror * 4) {
+	case OMAP_DSS_ROT_0:
+	case OMAP_DSS_ROT_180:
+		/*
+		 * If the pixel format is YUV or UYVY divide the width
+		 * of the image by 2 for 0 and 180 degree rotation.
+		 */
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			width = width >> 1;
+		fallthrough;
+	case OMAP_DSS_ROT_90:
+	case OMAP_DSS_ROT_270:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = field_offset * screen_width * ps;
+		else
+			*offset0 = 0;
+
+		*row_inc = pixinc(1 +
+			(y_predecim * screen_width - x_predecim * width) +
+			(fieldmode ? screen_width : 0), ps);
+		*pix_inc = pixinc(x_predecim, ps);
+		break;
+
+	case OMAP_DSS_ROT_0 + 4:
+	case OMAP_DSS_ROT_180 + 4:
+		/* If the pixel format is YUV or UYVY divide the width
+		 * of the image by 2  for 0 degree and 180 degree
+		 */
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			width = width >> 1;
+		fallthrough;
+	case OMAP_DSS_ROT_90 + 4:
+	case OMAP_DSS_ROT_270 + 4:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = field_offset * screen_width * ps;
+		else
+			*offset0 = 0;
+		*row_inc = pixinc(1 -
+			(y_predecim * screen_width + x_predecim * width) -
+			(fieldmode ? screen_width : 0), ps);
+		*pix_inc = pixinc(x_predecim, ps);
+		break;
+
+	default:
+		BUG();
+		return;
+	}
+}
+
+static void calc_dma_rotation_offset(u8 rotation, bool mirror,
+		u16 screen_width,
+		u16 width, u16 height,
+		enum omap_color_mode color_mode, bool fieldmode,
+		unsigned int field_offset,
+		unsigned *offset0, unsigned *offset1,
+		s32 *row_inc, s32 *pix_inc, int x_predecim, int y_predecim)
+{
+	u8 ps;
+	u16 fbw, fbh;
+
+	/* FIXME CLUT formats */
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_CLUT1:
+	case OMAP_DSS_COLOR_CLUT2:
+	case OMAP_DSS_COLOR_CLUT4:
+	case OMAP_DSS_COLOR_CLUT8:
+		BUG();
+		return;
+	default:
+		ps = color_mode_to_bpp(color_mode) / 8;
+		break;
+	}
+
+	DSSDBG("calc_rot(%d): scrw %d, %dx%d\n", rotation, screen_width,
+			width, height);
+
+	/* width & height are overlay sizes, convert to fb sizes */
+
+	if (rotation == OMAP_DSS_ROT_0 || rotation == OMAP_DSS_ROT_180) {
+		fbw = width;
+		fbh = height;
+	} else {
+		fbw = height;
+		fbh = width;
+	}
+
+	/*
+	 * field 0 = even field = bottom field
+	 * field 1 = odd field = top field
+	 */
+	switch (rotation + mirror * 4) {
+	case OMAP_DSS_ROT_0:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(1 +
+			(y_predecim * screen_width - fbw * x_predecim) +
+			(fieldmode ? screen_width : 0),	ps);
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			*pix_inc = pixinc(x_predecim, 2 * ps);
+		else
+			*pix_inc = pixinc(x_predecim, ps);
+		break;
+	case OMAP_DSS_ROT_90:
+		*offset1 = screen_width * (fbh - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(screen_width * (fbh * x_predecim - 1) +
+				y_predecim + (fieldmode ? 1 : 0), ps);
+		*pix_inc = pixinc(-x_predecim * screen_width, ps);
+		break;
+	case OMAP_DSS_ROT_180:
+		*offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(-1 -
+			(y_predecim * screen_width - fbw * x_predecim) -
+			(fieldmode ? screen_width : 0),	ps);
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			*pix_inc = pixinc(-x_predecim, 2 * ps);
+		else
+			*pix_inc = pixinc(-x_predecim, ps);
+		break;
+	case OMAP_DSS_ROT_270:
+		*offset1 = (fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(-screen_width * (fbh * x_predecim - 1) -
+				y_predecim - (fieldmode ? 1 : 0), ps);
+		*pix_inc = pixinc(x_predecim * screen_width, ps);
+		break;
+
+	/* mirroring */
+	case OMAP_DSS_ROT_0 + 4:
+		*offset1 = (fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(y_predecim * screen_width * 2 - 1 +
+				(fieldmode ? screen_width : 0),
+				ps);
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			*pix_inc = pixinc(-x_predecim, 2 * ps);
+		else
+			*pix_inc = pixinc(-x_predecim, ps);
+		break;
+
+	case OMAP_DSS_ROT_90 + 4:
+		*offset1 = 0;
+		if (field_offset)
+			*offset0 = *offset1 + field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(-screen_width * (fbh * x_predecim - 1) +
+				y_predecim + (fieldmode ? 1 : 0),
+				ps);
+		*pix_inc = pixinc(x_predecim * screen_width, ps);
+		break;
+
+	case OMAP_DSS_ROT_180 + 4:
+		*offset1 = screen_width * (fbh - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * screen_width * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(1 - y_predecim * screen_width * 2 -
+				(fieldmode ? screen_width : 0),
+				ps);
+		if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY)
+			*pix_inc = pixinc(x_predecim, 2 * ps);
+		else
+			*pix_inc = pixinc(x_predecim, ps);
+		break;
+
+	case OMAP_DSS_ROT_270 + 4:
+		*offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps;
+		if (field_offset)
+			*offset0 = *offset1 - field_offset * ps;
+		else
+			*offset0 = *offset1;
+		*row_inc = pixinc(screen_width * (fbh * x_predecim - 1) -
+				y_predecim - (fieldmode ? 1 : 0),
+				ps);
+		*pix_inc = pixinc(-x_predecim * screen_width, ps);
+		break;
+
+	default:
+		BUG();
+		return;
+	}
+}
+
+static void calc_tiler_rotation_offset(u16 screen_width, u16 width,
+		enum omap_color_mode color_mode, bool fieldmode,
+		unsigned int field_offset, unsigned *offset0, unsigned *offset1,
+		s32 *row_inc, s32 *pix_inc, int x_predecim, int y_predecim)
+{
+	u8 ps;
+
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_CLUT1:
+	case OMAP_DSS_COLOR_CLUT2:
+	case OMAP_DSS_COLOR_CLUT4:
+	case OMAP_DSS_COLOR_CLUT8:
+		BUG();
+		return;
+	default:
+		ps = color_mode_to_bpp(color_mode) / 8;
+		break;
+	}
+
+	DSSDBG("scrw %d, width %d\n", screen_width, width);
+
+	/*
+	 * field 0 = even field = bottom field
+	 * field 1 = odd field = top field
+	 */
+	*offset1 = 0;
+	if (field_offset)
+		*offset0 = *offset1 + field_offset * screen_width * ps;
+	else
+		*offset0 = *offset1;
+	*row_inc = pixinc(1 + (y_predecim * screen_width - width * x_predecim) +
+			(fieldmode ? screen_width : 0), ps);
+	if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+		color_mode == OMAP_DSS_COLOR_UYVY)
+		*pix_inc = pixinc(x_predecim, 2 * ps);
+	else
+		*pix_inc = pixinc(x_predecim, ps);
+}
+
+/*
+ * This function is used to avoid synclosts in OMAP3, because of some
+ * undocumented horizontal position and timing related limitations.
+ */
+static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk,
+		const struct omap_video_timings *t, u16 pos_x,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		bool five_taps)
+{
+	const int ds = DIV_ROUND_UP(height, out_height);
+	unsigned long nonactive;
+	static const u8 limits[3] = { 8, 10, 20 };
+	u64 val, blank;
+	int i;
+
+	nonactive = t->x_res + t->hfp + t->hsw + t->hbp - out_width;
+
+	i = 0;
+	if (out_height < height)
+		i++;
+	if (out_width < width)
+		i++;
+	blank = div_u64((u64)(t->hbp + t->hsw + t->hfp) * lclk, pclk);
+	DSSDBG("blanking period + ppl = %llu (limit = %u)\n", blank, limits[i]);
+	if (blank <= limits[i])
+		return -EINVAL;
+
+	/* FIXME add checks for 3-tap filter once the limitations are known */
+	if (!five_taps)
+		return 0;
+
+	/*
+	 * Pixel data should be prepared before visible display point starts.
+	 * So, atleast DS-2 lines must have already been fetched by DISPC
+	 * during nonactive - pos_x period.
+	 */
+	val = div_u64((u64)(nonactive - pos_x) * lclk, pclk);
+	DSSDBG("(nonactive - pos_x) * pcd = %llu max(0, DS - 2) * width = %d\n",
+		val, max(0, ds - 2) * width);
+	if (val < max(0, ds - 2) * width)
+		return -EINVAL;
+
+	/*
+	 * All lines need to be refilled during the nonactive period of which
+	 * only one line can be loaded during the active period. So, atleast
+	 * DS - 1 lines should be loaded during nonactive period.
+	 */
+	val =  div_u64((u64)nonactive * lclk, pclk);
+	DSSDBG("nonactive * pcd  = %llu, max(0, DS - 1) * width = %d\n",
+		val, max(0, ds - 1) * width);
+	if (val < max(0, ds - 1) * width)
+		return -EINVAL;
+
+	return 0;
+}
+
+static unsigned long calc_core_clk_five_taps(unsigned long pclk,
+		const struct omap_video_timings *mgr_timings, u16 width,
+		u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode)
+{
+	u32 core_clk = 0;
+	u64 tmp;
+
+	if (height <= out_height && width <= out_width)
+		return (unsigned long) pclk;
+
+	if (height > out_height) {
+		unsigned int ppl = mgr_timings->x_res;
+
+		tmp = (u64)pclk * height * out_width;
+		do_div(tmp, 2 * out_height * ppl);
+		core_clk = tmp;
+
+		if (height > 2 * out_height) {
+			if (ppl == out_width)
+				return 0;
+
+			tmp = (u64)pclk * (height - 2 * out_height) * out_width;
+			do_div(tmp, 2 * out_height * (ppl - out_width));
+			core_clk = max_t(u32, core_clk, tmp);
+		}
+	}
+
+	if (width > out_width) {
+		tmp = (u64)pclk * width;
+		do_div(tmp, out_width);
+		core_clk = max_t(u32, core_clk, tmp);
+
+		if (color_mode == OMAP_DSS_COLOR_RGB24U)
+			core_clk <<= 1;
+	}
+
+	return core_clk;
+}
+
+static unsigned long calc_core_clk_24xx(unsigned long pclk, u16 width,
+		u16 height, u16 out_width, u16 out_height, bool mem_to_mem)
+{
+	if (height > out_height && width > out_width)
+		return pclk * 4;
+	else
+		return pclk * 2;
+}
+
+static unsigned long calc_core_clk_34xx(unsigned long pclk, u16 width,
+		u16 height, u16 out_width, u16 out_height, bool mem_to_mem)
+{
+	unsigned int hf, vf;
+
+	/*
+	 * FIXME how to determine the 'A' factor
+	 * for the no downscaling case ?
+	 */
+
+	if (width > 3 * out_width)
+		hf = 4;
+	else if (width > 2 * out_width)
+		hf = 3;
+	else if (width > out_width)
+		hf = 2;
+	else
+		hf = 1;
+	if (height > out_height)
+		vf = 2;
+	else
+		vf = 1;
+
+	return pclk * vf * hf;
+}
+
+static unsigned long calc_core_clk_44xx(unsigned long pclk, u16 width,
+		u16 height, u16 out_width, u16 out_height, bool mem_to_mem)
+{
+	/*
+	 * If the overlay/writeback is in mem to mem mode, there are no
+	 * downscaling limitations with respect to pixel clock, return 1 as
+	 * required core clock to represent that we have sufficient enough
+	 * core clock to do maximum downscaling
+	 */
+	if (mem_to_mem)
+		return 1;
+
+	if (width > out_width)
+		return DIV_ROUND_UP(pclk, out_width) * width;
+	else
+		return pclk;
+}
+
+static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+{
+	int error;
+	u16 in_width, in_height;
+	int min_factor = min(*decim_x, *decim_y);
+	const int maxsinglelinewidth =
+			dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+
+	*five_taps = false;
+
+	do {
+		in_height = height / *decim_y;
+		in_width = width / *decim_x;
+		*core_clk = dispc.feat->calc_core_clk(pclk, in_width,
+				in_height, out_width, out_height, mem_to_mem);
+		error = (in_width > maxsinglelinewidth || !*core_clk ||
+			*core_clk > dispc_core_clk_rate());
+		if (error) {
+			if (*decim_x == *decim_y) {
+				*decim_x = min_factor;
+				++*decim_y;
+			} else {
+				swap(*decim_x, *decim_y);
+				if (*decim_x < *decim_y)
+					++*decim_x;
+			}
+		}
+	} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
+
+	if (error) {
+		DSSERR("failed to find scaling settings\n");
+		return -EINVAL;
+	}
+
+	if (in_width > maxsinglelinewidth) {
+		DSSERR("Cannot scale max input width exceeded");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+{
+	int error;
+	u16 in_width, in_height;
+	const int maxsinglelinewidth =
+			dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+
+	do {
+		in_height = height / *decim_y;
+		in_width = width / *decim_x;
+		*five_taps = in_height > out_height;
+
+		if (in_width > maxsinglelinewidth)
+			if (in_height > out_height &&
+						in_height < out_height * 2)
+				*five_taps = false;
+again:
+		if (*five_taps)
+			*core_clk = calc_core_clk_five_taps(pclk, mgr_timings,
+						in_width, in_height, out_width,
+						out_height, color_mode);
+		else
+			*core_clk = dispc.feat->calc_core_clk(pclk, in_width,
+					in_height, out_width, out_height,
+					mem_to_mem);
+
+		error = check_horiz_timing_omap3(pclk, lclk, mgr_timings,
+				pos_x, in_width, in_height, out_width,
+				out_height, *five_taps);
+		if (error && *five_taps) {
+			*five_taps = false;
+			goto again;
+		}
+
+		error = (error || in_width > maxsinglelinewidth * 2 ||
+			(in_width > maxsinglelinewidth && *five_taps) ||
+			!*core_clk || *core_clk > dispc_core_clk_rate());
+
+		if (!error) {
+			/* verify that we're inside the limits of scaler */
+			if (in_width / 4 > out_width)
+					error = 1;
+
+			if (*five_taps) {
+				if (in_height / 4 > out_height)
+					error = 1;
+			} else {
+				if (in_height / 2 > out_height)
+					error = 1;
+			}
+		}
+
+		if (error)
+			++*decim_y;
+	} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
+
+	if (error) {
+		DSSERR("failed to find scaling settings\n");
+		return -EINVAL;
+	}
+
+	if (check_horiz_timing_omap3(pclk, lclk, mgr_timings, pos_x, in_width,
+				in_height, out_width, out_height, *five_taps)) {
+			DSSERR("horizontal timing too tight\n");
+			return -EINVAL;
+	}
+
+	if (in_width > (maxsinglelinewidth * 2)) {
+		DSSERR("Cannot setup scaling");
+		DSSERR("width exceeds maximum width possible");
+		return -EINVAL;
+	}
+
+	if (in_width > maxsinglelinewidth && *five_taps) {
+		DSSERR("cannot setup scaling with five taps");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
+		u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+{
+	u16 in_width, in_width_max;
+	int decim_x_min = *decim_x;
+	u16 in_height = height / *decim_y;
+	const int maxsinglelinewidth =
+				dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+	const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
+
+	if (mem_to_mem) {
+		in_width_max = out_width * maxdownscale;
+	} else {
+		in_width_max = dispc_core_clk_rate() /
+					DIV_ROUND_UP(pclk, out_width);
+	}
+
+	*decim_x = DIV_ROUND_UP(width, in_width_max);
+
+	*decim_x = *decim_x > decim_x_min ? *decim_x : decim_x_min;
+	if (*decim_x > *x_predecim)
+		return -EINVAL;
+
+	do {
+		in_width = width / *decim_x;
+	} while (*decim_x <= *x_predecim &&
+			in_width > maxsinglelinewidth && ++*decim_x);
+
+	if (in_width > maxsinglelinewidth) {
+		DSSERR("Cannot scale width exceeds max line width");
+		return -EINVAL;
+	}
+
+	*core_clk = dispc.feat->calc_core_clk(pclk, in_width, in_height,
+				out_width, out_height, mem_to_mem);
+	return 0;
+}
+
+#define DIV_FRAC(dividend, divisor) \
+	((dividend) * 100 / (divisor) - ((dividend) / (divisor) * 100))
+
+static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
+		enum omap_overlay_caps caps,
+		const struct omap_video_timings *mgr_timings,
+		u16 width, u16 height, u16 out_width, u16 out_height,
+		enum omap_color_mode color_mode, bool *five_taps,
+		int *x_predecim, int *y_predecim, u16 pos_x,
+		enum omap_dss_rotation_type rotation_type, bool mem_to_mem)
+{
+	const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
+	const int max_decim_limit = 16;
+	unsigned long core_clk = 0;
+	int decim_x, decim_y, ret;
+
+	if (width == out_width && height == out_height)
+		return 0;
+
+	if (!mem_to_mem && (pclk == 0 || mgr_timings->pixelclock == 0)) {
+		DSSERR("cannot calculate scaling settings: pclk is zero\n");
+		return -EINVAL;
+	}
+
+	if ((caps & OMAP_DSS_OVL_CAP_SCALE) == 0)
+		return -EINVAL;
+
+	if (mem_to_mem) {
+		*x_predecim = *y_predecim = 1;
+	} else {
+		*x_predecim = max_decim_limit;
+		*y_predecim = (rotation_type == OMAP_DSS_ROT_TILER &&
+				dss_has_feature(FEAT_BURST_2D)) ?
+				2 : max_decim_limit;
+	}
+
+	if (color_mode == OMAP_DSS_COLOR_CLUT1 ||
+	    color_mode == OMAP_DSS_COLOR_CLUT2 ||
+	    color_mode == OMAP_DSS_COLOR_CLUT4 ||
+	    color_mode == OMAP_DSS_COLOR_CLUT8) {
+		*x_predecim = 1;
+		*y_predecim = 1;
+		*five_taps = false;
+		return 0;
+	}
+
+	decim_x = DIV_ROUND_UP(DIV_ROUND_UP(width, out_width), maxdownscale);
+	decim_y = DIV_ROUND_UP(DIV_ROUND_UP(height, out_height), maxdownscale);
+
+	if (decim_x > *x_predecim || out_width > width * 8)
+		return -EINVAL;
+
+	if (decim_y > *y_predecim || out_height > height * 8)
+		return -EINVAL;
+
+	ret = dispc.feat->calc_scaling(pclk, lclk, mgr_timings, width, height,
+		out_width, out_height, color_mode, five_taps,
+		x_predecim, y_predecim, &decim_x, &decim_y, pos_x, &core_clk,
+		mem_to_mem);
+	if (ret)
+		return ret;
+
+	DSSDBG("%dx%d -> %dx%d (%d.%02d x %d.%02d), decim %dx%d %dx%d (%d.%02d x %d.%02d), taps %d, req clk %lu, cur clk %lu\n",
+		width, height,
+		out_width, out_height,
+		out_width / width, DIV_FRAC(out_width, width),
+		out_height / height, DIV_FRAC(out_height, height),
+
+		decim_x, decim_y,
+		width / decim_x, height / decim_y,
+		out_width / (width / decim_x), DIV_FRAC(out_width, width / decim_x),
+		out_height / (height / decim_y), DIV_FRAC(out_height, height / decim_y),
+
+		*five_taps ? 5 : 3,
+		core_clk, dispc_core_clk_rate());
+
+	if (!core_clk || core_clk > dispc_core_clk_rate()) {
+		DSSERR("failed to set up scaling, "
+			"required core clk rate = %lu Hz, "
+			"current core clk rate = %lu Hz\n",
+			core_clk, dispc_core_clk_rate());
+		return -EINVAL;
+	}
+
+	*x_predecim = decim_x;
+	*y_predecim = decim_y;
+	return 0;
+}
+
+int dispc_ovl_check(enum omap_plane plane, enum omap_channel channel,
+		const struct omap_overlay_info *oi,
+		const struct omap_video_timings *timings,
+		int *x_predecim, int *y_predecim)
+{
+	enum omap_overlay_caps caps = dss_feat_get_overlay_caps(plane);
+	bool five_taps = true;
+	bool fieldmode = false;
+	u16 in_height = oi->height;
+	u16 in_width = oi->width;
+	bool ilace = timings->interlace;
+	u16 out_width, out_height;
+	int pos_x = oi->pos_x;
+	unsigned long pclk = dispc_mgr_pclk_rate(channel);
+	unsigned long lclk = dispc_mgr_lclk_rate(channel);
+
+	out_width = oi->out_width == 0 ? oi->width : oi->out_width;
+	out_height = oi->out_height == 0 ? oi->height : oi->out_height;
+
+	if (ilace && oi->height == out_height)
+		fieldmode = true;
+
+	if (ilace) {
+		if (fieldmode)
+			in_height /= 2;
+		out_height /= 2;
+
+		DSSDBG("adjusting for ilace: height %d, out_height %d\n",
+				in_height, out_height);
+	}
+
+	if (!dss_feat_color_mode_supported(plane, oi->color_mode))
+		return -EINVAL;
+
+	return dispc_ovl_calc_scaling(pclk, lclk, caps, timings, in_width,
+			in_height, out_width, out_height, oi->color_mode,
+			&five_taps, x_predecim, y_predecim, pos_x,
+			oi->rotation_type, false);
+}
+EXPORT_SYMBOL(dispc_ovl_check);
+
+static int dispc_ovl_setup_common(enum omap_plane plane,
+		enum omap_overlay_caps caps, u32 paddr, u32 p_uv_addr,
+		u16 screen_width, int pos_x, int pos_y, u16 width, u16 height,
+		u16 out_width, u16 out_height, enum omap_color_mode color_mode,
+		u8 rotation, bool mirror, u8 zorder, u8 pre_mult_alpha,
+		u8 global_alpha, enum omap_dss_rotation_type rotation_type,
+		bool replication, const struct omap_video_timings *mgr_timings,
+		bool mem_to_mem)
+{
+	bool five_taps = true;
+	bool fieldmode = false;
+	int r, cconv = 0;
+	unsigned offset0, offset1;
+	s32 row_inc;
+	s32 pix_inc;
+	u16 frame_width, frame_height;
+	unsigned int field_offset = 0;
+	u16 in_height = height;
+	u16 in_width = width;
+	int x_predecim = 1, y_predecim = 1;
+	bool ilace = mgr_timings->interlace;
+	unsigned long pclk = dispc_plane_pclk_rate(plane);
+	unsigned long lclk = dispc_plane_lclk_rate(plane);
+
+	if (paddr == 0 && rotation_type != OMAP_DSS_ROT_TILER)
+		return -EINVAL;
+
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+	case OMAP_DSS_COLOR_NV12:
+		if (in_width & 1) {
+			DSSERR("input width %d is not even for YUV format\n",
+				in_width);
+			return -EINVAL;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	out_width = out_width == 0 ? width : out_width;
+	out_height = out_height == 0 ? height : out_height;
+
+	if (ilace && height == out_height)
+		fieldmode = true;
+
+	if (ilace) {
+		if (fieldmode)
+			in_height /= 2;
+		pos_y /= 2;
+		out_height /= 2;
+
+		DSSDBG("adjusting for ilace: height %d, pos_y %d, "
+			"out_height %d\n", in_height, pos_y,
+			out_height);
+	}
+
+	if (!dss_feat_color_mode_supported(plane, color_mode))
+		return -EINVAL;
+
+	r = dispc_ovl_calc_scaling(pclk, lclk, caps, mgr_timings, in_width,
+			in_height, out_width, out_height, color_mode,
+			&five_taps, &x_predecim, &y_predecim, pos_x,
+			rotation_type, mem_to_mem);
+	if (r)
+		return r;
+
+	in_width = in_width / x_predecim;
+	in_height = in_height / y_predecim;
+
+	if (x_predecim > 1 || y_predecim > 1)
+		DSSDBG("predecimation %d x %x, new input size %d x %d\n",
+			x_predecim, y_predecim, in_width, in_height);
+
+	switch (color_mode) {
+	case OMAP_DSS_COLOR_YUV2:
+	case OMAP_DSS_COLOR_UYVY:
+	case OMAP_DSS_COLOR_NV12:
+		if (in_width & 1) {
+			DSSDBG("predecimated input width is not even for YUV format\n");
+			DSSDBG("adjusting input width %d -> %d\n",
+				in_width, in_width & ~1);
+
+			in_width &= ~1;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	if (color_mode == OMAP_DSS_COLOR_YUV2 ||
+			color_mode == OMAP_DSS_COLOR_UYVY ||
+			color_mode == OMAP_DSS_COLOR_NV12)
+		cconv = 1;
+
+	if (ilace && !fieldmode) {
+		/*
+		 * when downscaling the bottom field may have to start several
+		 * source lines below the top field. Unfortunately ACCUI
+		 * registers will only hold the fractional part of the offset
+		 * so the integer part must be added to the base address of the
+		 * bottom field.
+		 */
+		if (!in_height || in_height == out_height)
+			field_offset = 0;
+		else
+			field_offset = in_height / out_height / 2;
+	}
+
+	/* Fields are independent but interleaved in memory. */
+	if (fieldmode)
+		field_offset = 1;
+
+	offset0 = 0;
+	offset1 = 0;
+	row_inc = 0;
+	pix_inc = 0;
+
+	if (plane == OMAP_DSS_WB) {
+		frame_width = out_width;
+		frame_height = out_height;
+	} else {
+		frame_width = in_width;
+		frame_height = height;
+	}
+
+	if (rotation_type == OMAP_DSS_ROT_TILER)
+		calc_tiler_rotation_offset(screen_width, frame_width,
+				color_mode, fieldmode, field_offset,
+				&offset0, &offset1, &row_inc, &pix_inc,
+				x_predecim, y_predecim);
+	else if (rotation_type == OMAP_DSS_ROT_DMA)
+		calc_dma_rotation_offset(rotation, mirror, screen_width,
+				frame_width, frame_height,
+				color_mode, fieldmode, field_offset,
+				&offset0, &offset1, &row_inc, &pix_inc,
+				x_predecim, y_predecim);
+	else
+		calc_vrfb_rotation_offset(rotation, mirror,
+				screen_width, frame_width, frame_height,
+				color_mode, fieldmode, field_offset,
+				&offset0, &offset1, &row_inc, &pix_inc,
+				x_predecim, y_predecim);
+
+	DSSDBG("offset0 %u, offset1 %u, row_inc %d, pix_inc %d\n",
+			offset0, offset1, row_inc, pix_inc);
+
+	dispc_ovl_set_color_mode(plane, color_mode);
+
+	dispc_ovl_configure_burst_type(plane, rotation_type);
+
+	dispc_ovl_set_ba0(plane, paddr + offset0);
+	dispc_ovl_set_ba1(plane, paddr + offset1);
+
+	if (OMAP_DSS_COLOR_NV12 == color_mode) {
+		dispc_ovl_set_ba0_uv(plane, p_uv_addr + offset0);
+		dispc_ovl_set_ba1_uv(plane, p_uv_addr + offset1);
+	}
+
+	if (dispc.feat->last_pixel_inc_missing)
+		row_inc += pix_inc - 1;
+
+	dispc_ovl_set_row_inc(plane, row_inc);
+	dispc_ovl_set_pix_inc(plane, pix_inc);
+
+	DSSDBG("%d,%d %dx%d -> %dx%d\n", pos_x, pos_y, in_width,
+			in_height, out_width, out_height);
+
+	dispc_ovl_set_pos(plane, caps, pos_x, pos_y);
+
+	dispc_ovl_set_input_size(plane, in_width, in_height);
+
+	if (caps & OMAP_DSS_OVL_CAP_SCALE) {
+		dispc_ovl_set_scaling(plane, in_width, in_height, out_width,
+				   out_height, ilace, five_taps, fieldmode,
+				   color_mode, rotation);
+		dispc_ovl_set_output_size(plane, out_width, out_height);
+		dispc_ovl_set_vid_color_conv(plane, cconv);
+	}
+
+	dispc_ovl_set_rotation_attrs(plane, rotation, rotation_type, mirror,
+			color_mode);
+
+	dispc_ovl_set_zorder(plane, caps, zorder);
+	dispc_ovl_set_pre_mult_alpha(plane, caps, pre_mult_alpha);
+	dispc_ovl_setup_global_alpha(plane, caps, global_alpha);
+
+	dispc_ovl_enable_replication(plane, caps, replication);
+
+	return 0;
+}
+
+int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
+		bool replication, const struct omap_video_timings *mgr_timings,
+		bool mem_to_mem)
+{
+	int r;
+	enum omap_overlay_caps caps = dss_feat_get_overlay_caps(plane);
+	enum omap_channel channel;
+
+	channel = dispc_ovl_get_channel_out(plane);
+
+	DSSDBG("dispc_ovl_setup %d, pa %pad, pa_uv %pad, sw %d, %d,%d, %dx%d ->"
+		" %dx%d, cmode %x, rot %d, mir %d, chan %d repl %d\n",
+		plane, &oi->paddr, &oi->p_uv_addr, oi->screen_width, oi->pos_x,
+		oi->pos_y, oi->width, oi->height, oi->out_width, oi->out_height,
+		oi->color_mode, oi->rotation, oi->mirror, channel, replication);
+
+	r = dispc_ovl_setup_common(plane, caps, oi->paddr, oi->p_uv_addr,
+		oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height,
+		oi->out_width, oi->out_height, oi->color_mode, oi->rotation,
+		oi->mirror, oi->zorder, oi->pre_mult_alpha, oi->global_alpha,
+		oi->rotation_type, replication, mgr_timings, mem_to_mem);
+
+	return r;
+}
+EXPORT_SYMBOL(dispc_ovl_setup);
+
+int dispc_ovl_enable(enum omap_plane plane, bool enable)
+{
+	DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
+
+	REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 0, 0);
+
+	return 0;
+}
+EXPORT_SYMBOL(dispc_ovl_enable);
+
+bool dispc_ovl_enabled(enum omap_plane plane)
+{
+	return REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0);
+}
+EXPORT_SYMBOL(dispc_ovl_enabled);
+
+void dispc_mgr_enable(enum omap_channel channel, bool enable)
+{
+	mgr_fld_write(channel, DISPC_MGR_FLD_ENABLE, enable);
+	/* flush posted write */
+	mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
+}
+EXPORT_SYMBOL(dispc_mgr_enable);
+
+bool dispc_mgr_is_enabled(enum omap_channel channel)
+{
+	return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
+}
+EXPORT_SYMBOL(dispc_mgr_is_enabled);
+
+static void dispc_lcd_enable_signal_polarity(bool act_high)
+{
+	if (!dss_has_feature(FEAT_LCDENABLEPOL))
+		return;
+
+	REG_FLD_MOD(DISPC_CONTROL, act_high ? 1 : 0, 29, 29);
+}
+
+void dispc_lcd_enable_signal(bool enable)
+{
+	if (!dss_has_feature(FEAT_LCDENABLESIGNAL))
+		return;
+
+	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 28, 28);
+}
+
+void dispc_pck_free_enable(bool enable)
+{
+	if (!dss_has_feature(FEAT_PCKFREEENABLE))
+		return;
+
+	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 27, 27);
+}
+
+static void dispc_mgr_enable_fifohandcheck(enum omap_channel channel, bool enable)
+{
+	mgr_fld_write(channel, DISPC_MGR_FLD_FIFOHANDCHECK, enable);
+}
+
+
+static void dispc_mgr_set_lcd_type_tft(enum omap_channel channel)
+{
+	mgr_fld_write(channel, DISPC_MGR_FLD_STNTFT, 1);
+}
+
+static void dispc_set_loadmode(enum omap_dss_load_mode mode)
+{
+	REG_FLD_MOD(DISPC_CONFIG, mode, 2, 1);
+}
+
+
+static void dispc_mgr_set_default_color(enum omap_channel channel, u32 color)
+{
+	dispc_write_reg(DISPC_DEFAULT_COLOR(channel), color);
+}
+
+static void dispc_mgr_set_trans_key(enum omap_channel ch,
+		enum omap_dss_trans_key_type type,
+		u32 trans_key)
+{
+	mgr_fld_write(ch, DISPC_MGR_FLD_TCKSELECTION, type);
+
+	dispc_write_reg(DISPC_TRANS_COLOR(ch), trans_key);
+}
+
+static void dispc_mgr_enable_trans_key(enum omap_channel ch, bool enable)
+{
+	mgr_fld_write(ch, DISPC_MGR_FLD_TCKENABLE, enable);
+}
+
+static void dispc_mgr_enable_alpha_fixed_zorder(enum omap_channel ch,
+		bool enable)
+{
+	if (!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
+		return;
+
+	if (ch == OMAP_DSS_CHANNEL_LCD)
+		REG_FLD_MOD(DISPC_CONFIG, enable, 18, 18);
+	else if (ch == OMAP_DSS_CHANNEL_DIGIT)
+		REG_FLD_MOD(DISPC_CONFIG, enable, 19, 19);
+}
+
+void dispc_mgr_setup(enum omap_channel channel,
+		const struct omap_overlay_manager_info *info)
+{
+	dispc_mgr_set_default_color(channel, info->default_color);
+	dispc_mgr_set_trans_key(channel, info->trans_key_type, info->trans_key);
+	dispc_mgr_enable_trans_key(channel, info->trans_enabled);
+	dispc_mgr_enable_alpha_fixed_zorder(channel,
+			info->partial_alpha_enabled);
+	if (dss_has_feature(FEAT_CPR)) {
+		dispc_mgr_enable_cpr(channel, info->cpr_enable);
+		dispc_mgr_set_cpr_coef(channel, &info->cpr_coefs);
+	}
+}
+EXPORT_SYMBOL(dispc_mgr_setup);
+
+static void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines)
+{
+	int code;
+
+	switch (data_lines) {
+	case 12:
+		code = 0;
+		break;
+	case 16:
+		code = 1;
+		break;
+	case 18:
+		code = 2;
+		break;
+	case 24:
+		code = 3;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	mgr_fld_write(channel, DISPC_MGR_FLD_TFTDATALINES, code);
+}
+
+static void dispc_mgr_set_io_pad_mode(enum dss_io_pad_mode mode)
+{
+	u32 l;
+	int gpout0, gpout1;
+
+	switch (mode) {
+	case DSS_IO_PAD_MODE_RESET:
+		gpout0 = 0;
+		gpout1 = 0;
+		break;
+	case DSS_IO_PAD_MODE_RFBI:
+		gpout0 = 1;
+		gpout1 = 0;
+		break;
+	case DSS_IO_PAD_MODE_BYPASS:
+		gpout0 = 1;
+		gpout1 = 1;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	l = dispc_read_reg(DISPC_CONTROL);
+	l = FLD_MOD(l, gpout0, 15, 15);
+	l = FLD_MOD(l, gpout1, 16, 16);
+	dispc_write_reg(DISPC_CONTROL, l);
+}
+
+static void dispc_mgr_enable_stallmode(enum omap_channel channel, bool enable)
+{
+	mgr_fld_write(channel, DISPC_MGR_FLD_STALLMODE, enable);
+}
+
+void dispc_mgr_set_lcd_config(enum omap_channel channel,
+		const struct dss_lcd_mgr_config *config)
+{
+	dispc_mgr_set_io_pad_mode(config->io_pad_mode);
+
+	dispc_mgr_enable_stallmode(channel, config->stallmode);
+	dispc_mgr_enable_fifohandcheck(channel, config->fifohandcheck);
+
+	dispc_mgr_set_clock_div(channel, &config->clock_info);
+
+	dispc_mgr_set_tft_data_lines(channel, config->video_port_width);
+
+	dispc_lcd_enable_signal_polarity(config->lcden_sig_polarity);
+
+	dispc_mgr_set_lcd_type_tft(channel);
+}
+EXPORT_SYMBOL(dispc_mgr_set_lcd_config);
+
+static bool _dispc_mgr_size_ok(u16 width, u16 height)
+{
+	return width <= dispc.feat->mgr_width_max &&
+		height <= dispc.feat->mgr_height_max;
+}
+
+static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp,
+		int vsw, int vfp, int vbp)
+{
+	if (hsw < 1 || hsw > dispc.feat->sw_max ||
+			hfp < 1 || hfp > dispc.feat->hp_max ||
+			hbp < 1 || hbp > dispc.feat->hp_max ||
+			vsw < 1 || vsw > dispc.feat->sw_max ||
+			vfp < 0 || vfp > dispc.feat->vp_max ||
+			vbp < 0 || vbp > dispc.feat->vp_max)
+		return false;
+	return true;
+}
+
+static bool _dispc_mgr_pclk_ok(enum omap_channel channel,
+		unsigned long pclk)
+{
+	if (dss_mgr_is_lcd(channel))
+		return pclk <= dispc.feat->max_lcd_pclk;
+	else
+		return pclk <= dispc.feat->max_tv_pclk;
+}
+
+bool dispc_mgr_timings_ok(enum omap_channel channel,
+		const struct omap_video_timings *timings)
+{
+	if (!_dispc_mgr_size_ok(timings->x_res, timings->y_res))
+		return false;
+
+	if (!_dispc_mgr_pclk_ok(channel, timings->pixelclock))
+		return false;
+
+	if (dss_mgr_is_lcd(channel)) {
+		/* TODO: OMAP4+ supports interlace for LCD outputs */
+		if (timings->interlace)
+			return false;
+
+		if (!_dispc_lcd_timings_ok(timings->hsw, timings->hfp,
+				timings->hbp, timings->vsw, timings->vfp,
+				timings->vbp))
+			return false;
+	}
+
+	return true;
+}
+
+static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw,
+		int hfp, int hbp, int vsw, int vfp, int vbp,
+		enum omap_dss_signal_level vsync_level,
+		enum omap_dss_signal_level hsync_level,
+		enum omap_dss_signal_edge data_pclk_edge,
+		enum omap_dss_signal_level de_level,
+		enum omap_dss_signal_edge sync_pclk_edge)
+
+{
+	u32 timing_h, timing_v, l;
+	bool onoff, rf, ipc, vs, hs, de;
+
+	timing_h = FLD_VAL(hsw-1, dispc.feat->sw_start, 0) |
+			FLD_VAL(hfp-1, dispc.feat->fp_start, 8) |
+			FLD_VAL(hbp-1, dispc.feat->bp_start, 20);
+	timing_v = FLD_VAL(vsw-1, dispc.feat->sw_start, 0) |
+			FLD_VAL(vfp, dispc.feat->fp_start, 8) |
+			FLD_VAL(vbp, dispc.feat->bp_start, 20);
+
+	dispc_write_reg(DISPC_TIMING_H(channel), timing_h);
+	dispc_write_reg(DISPC_TIMING_V(channel), timing_v);
+
+	switch (vsync_level) {
+	case OMAPDSS_SIG_ACTIVE_LOW:
+		vs = true;
+		break;
+	case OMAPDSS_SIG_ACTIVE_HIGH:
+		vs = false;
+		break;
+	default:
+		BUG();
+	}
+
+	switch (hsync_level) {
+	case OMAPDSS_SIG_ACTIVE_LOW:
+		hs = true;
+		break;
+	case OMAPDSS_SIG_ACTIVE_HIGH:
+		hs = false;
+		break;
+	default:
+		BUG();
+	}
+
+	switch (de_level) {
+	case OMAPDSS_SIG_ACTIVE_LOW:
+		de = true;
+		break;
+	case OMAPDSS_SIG_ACTIVE_HIGH:
+		de = false;
+		break;
+	default:
+		BUG();
+	}
+
+	switch (data_pclk_edge) {
+	case OMAPDSS_DRIVE_SIG_RISING_EDGE:
+		ipc = false;
+		break;
+	case OMAPDSS_DRIVE_SIG_FALLING_EDGE:
+		ipc = true;
+		break;
+	default:
+		BUG();
+	}
+
+	/* always use the 'rf' setting */
+	onoff = true;
+
+	switch (sync_pclk_edge) {
+	case OMAPDSS_DRIVE_SIG_FALLING_EDGE:
+		rf = false;
+		break;
+	case OMAPDSS_DRIVE_SIG_RISING_EDGE:
+		rf = true;
+		break;
+	default:
+		BUG();
+	}
+
+	l = FLD_VAL(onoff, 17, 17) |
+		FLD_VAL(rf, 16, 16) |
+		FLD_VAL(de, 15, 15) |
+		FLD_VAL(ipc, 14, 14) |
+		FLD_VAL(hs, 13, 13) |
+		FLD_VAL(vs, 12, 12);
+
+	/* always set ALIGN bit when available */
+	if (dispc.feat->supports_sync_align)
+		l |= (1 << 18);
+
+	dispc_write_reg(DISPC_POL_FREQ(channel), l);
+
+	if (dispc.syscon_pol) {
+		const int shifts[] = {
+			[OMAP_DSS_CHANNEL_LCD] = 0,
+			[OMAP_DSS_CHANNEL_LCD2] = 1,
+			[OMAP_DSS_CHANNEL_LCD3] = 2,
+		};
+
+		u32 mask, val;
+
+		mask = (1 << 0) | (1 << 3) | (1 << 6);
+		val = (rf << 0) | (ipc << 3) | (onoff << 6);
+
+		mask <<= 16 + shifts[channel];
+		val <<= 16 + shifts[channel];
+
+		regmap_update_bits(dispc.syscon_pol, dispc.syscon_pol_offset,
+			mask, val);
+	}
+}
+
+/* change name to mode? */
+void dispc_mgr_set_timings(enum omap_channel channel,
+		const struct omap_video_timings *timings)
+{
+	unsigned xtot, ytot;
+	unsigned long ht, vt;
+	struct omap_video_timings t = *timings;
+
+	DSSDBG("channel %d xres %u yres %u\n", channel, t.x_res, t.y_res);
+
+	if (!dispc_mgr_timings_ok(channel, &t)) {
+		BUG();
+		return;
+	}
+
+	if (dss_mgr_is_lcd(channel)) {
+		_dispc_mgr_set_lcd_timings(channel, t.hsw, t.hfp, t.hbp, t.vsw,
+				t.vfp, t.vbp, t.vsync_level, t.hsync_level,
+				t.data_pclk_edge, t.de_level, t.sync_pclk_edge);
+
+		xtot = t.x_res + t.hfp + t.hsw + t.hbp;
+		ytot = t.y_res + t.vfp + t.vsw + t.vbp;
+
+		ht = timings->pixelclock / xtot;
+		vt = timings->pixelclock / xtot / ytot;
+
+		DSSDBG("pck %u\n", timings->pixelclock);
+		DSSDBG("hsw %d hfp %d hbp %d vsw %d vfp %d vbp %d\n",
+			t.hsw, t.hfp, t.hbp, t.vsw, t.vfp, t.vbp);
+		DSSDBG("vsync_level %d hsync_level %d data_pclk_edge %d de_level %d sync_pclk_edge %d\n",
+			t.vsync_level, t.hsync_level, t.data_pclk_edge,
+			t.de_level, t.sync_pclk_edge);
+
+		DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt);
+	} else {
+		if (t.interlace)
+			t.y_res /= 2;
+	}
+
+	dispc_mgr_set_size(channel, t.x_res, t.y_res);
+}
+EXPORT_SYMBOL(dispc_mgr_set_timings);
+
+static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
+		u16 pck_div)
+{
+	BUG_ON(lck_div < 1);
+	BUG_ON(pck_div < 1);
+
+	dispc_write_reg(DISPC_DIVISORo(channel),
+			FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0));
+
+	if (!dss_has_feature(FEAT_CORE_CLK_DIV) &&
+			channel == OMAP_DSS_CHANNEL_LCD)
+		dispc.core_clk_rate = dispc_fclk_rate() / lck_div;
+}
+
+static void dispc_mgr_get_lcd_divisor(enum omap_channel channel, int *lck_div,
+		int *pck_div)
+{
+	u32 l;
+	l = dispc_read_reg(DISPC_DIVISORo(channel));
+	*lck_div = FLD_GET(l, 23, 16);
+	*pck_div = FLD_GET(l, 7, 0);
+}
+
+static unsigned long dispc_fclk_rate(void)
+{
+	struct dss_pll *pll;
+	unsigned long r = 0;
+
+	switch (dss_get_dispc_clk_source()) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		r = dss_get_dispc_clk_rate();
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+		pll = dss_pll_find("dsi0");
+		if (!pll)
+			pll = dss_pll_find("video0");
+
+		r = pll->cinfo.clkout[0];
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+		pll = dss_pll_find("dsi1");
+		if (!pll)
+			pll = dss_pll_find("video1");
+
+		r = pll->cinfo.clkout[0];
+		break;
+	default:
+		BUG();
+		return 0;
+	}
+
+	return r;
+}
+
+static unsigned long dispc_mgr_lclk_rate(enum omap_channel channel)
+{
+	struct dss_pll *pll;
+	int lcd;
+	unsigned long r;
+	u32 l;
+
+	if (dss_mgr_is_lcd(channel)) {
+		l = dispc_read_reg(DISPC_DIVISORo(channel));
+
+		lcd = FLD_GET(l, 23, 16);
+
+		switch (dss_get_lcd_clk_source(channel)) {
+		case OMAP_DSS_CLK_SRC_FCK:
+			r = dss_get_dispc_clk_rate();
+			break;
+		case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+			pll = dss_pll_find("dsi0");
+			if (!pll)
+				pll = dss_pll_find("video0");
+
+			r = pll->cinfo.clkout[0];
+			break;
+		case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+			pll = dss_pll_find("dsi1");
+			if (!pll)
+				pll = dss_pll_find("video1");
+
+			r = pll->cinfo.clkout[0];
+			break;
+		default:
+			BUG();
+			return 0;
+		}
+
+		return r / lcd;
+	} else {
+		return dispc_fclk_rate();
+	}
+}
+
+static unsigned long dispc_mgr_pclk_rate(enum omap_channel channel)
+{
+	unsigned long r;
+
+	if (dss_mgr_is_lcd(channel)) {
+		int pcd;
+		u32 l;
+
+		l = dispc_read_reg(DISPC_DIVISORo(channel));
+
+		pcd = FLD_GET(l, 7, 0);
+
+		r = dispc_mgr_lclk_rate(channel);
+
+		return r / pcd;
+	} else {
+		return dispc.tv_pclk_rate;
+	}
+}
+
+void dispc_set_tv_pclk(unsigned long pclk)
+{
+	dispc.tv_pclk_rate = pclk;
+}
+
+static unsigned long dispc_core_clk_rate(void)
+{
+	return dispc.core_clk_rate;
+}
+
+static unsigned long dispc_plane_pclk_rate(enum omap_plane plane)
+{
+	enum omap_channel channel;
+
+	if (plane == OMAP_DSS_WB)
+		return 0;
+
+	channel = dispc_ovl_get_channel_out(plane);
+
+	return dispc_mgr_pclk_rate(channel);
+}
+
+static unsigned long dispc_plane_lclk_rate(enum omap_plane plane)
+{
+	enum omap_channel channel;
+
+	if (plane == OMAP_DSS_WB)
+		return 0;
+
+	channel	= dispc_ovl_get_channel_out(plane);
+
+	return dispc_mgr_lclk_rate(channel);
+}
+
+static void dispc_dump_clocks_channel(struct seq_file *s, enum omap_channel channel)
+{
+	int lcd, pcd;
+	enum omap_dss_clk_source lcd_clk_src;
+
+	seq_printf(s, "- %s -\n", mgr_desc[channel].name);
+
+	lcd_clk_src = dss_get_lcd_clk_source(channel);
+
+	seq_printf(s, "%s clk source = %s (%s)\n", mgr_desc[channel].name,
+		dss_get_generic_clk_source_name(lcd_clk_src),
+		dss_feat_get_clk_source_name(lcd_clk_src));
+
+	dispc_mgr_get_lcd_divisor(channel, &lcd, &pcd);
+
+	seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
+		dispc_mgr_lclk_rate(channel), lcd);
+	seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
+		dispc_mgr_pclk_rate(channel), pcd);
+}
+
+void dispc_dump_clocks(struct seq_file *s)
+{
+	int lcd;
+	u32 l;
+	enum omap_dss_clk_source dispc_clk_src = dss_get_dispc_clk_source();
+
+	if (dispc_runtime_get())
+		return;
+
+	seq_printf(s, "- DISPC -\n");
+
+	seq_printf(s, "dispc fclk source = %s (%s)\n",
+			dss_get_generic_clk_source_name(dispc_clk_src),
+			dss_feat_get_clk_source_name(dispc_clk_src));
+
+	seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate());
+
+	if (dss_has_feature(FEAT_CORE_CLK_DIV)) {
+		seq_printf(s, "- DISPC-CORE-CLK -\n");
+		l = dispc_read_reg(DISPC_DIVISOR);
+		lcd = FLD_GET(l, 23, 16);
+
+		seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
+				(dispc_fclk_rate()/lcd), lcd);
+	}
+
+	dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD);
+
+	if (dss_has_feature(FEAT_MGR_LCD2))
+		dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD2);
+	if (dss_has_feature(FEAT_MGR_LCD3))
+		dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD3);
+
+	dispc_runtime_put();
+}
+
+static void dispc_dump_regs(struct seq_file *s)
+{
+	int i, j;
+	const char *mgr_names[] = {
+		[OMAP_DSS_CHANNEL_LCD]		= "LCD",
+		[OMAP_DSS_CHANNEL_DIGIT]	= "TV",
+		[OMAP_DSS_CHANNEL_LCD2]		= "LCD2",
+		[OMAP_DSS_CHANNEL_LCD3]		= "LCD3",
+	};
+	const char *ovl_names[] = {
+		[OMAP_DSS_GFX]		= "GFX",
+		[OMAP_DSS_VIDEO1]	= "VID1",
+		[OMAP_DSS_VIDEO2]	= "VID2",
+		[OMAP_DSS_VIDEO3]	= "VID3",
+		[OMAP_DSS_WB]		= "WB",
+	};
+	const char **p_names;
+
+#define DUMPREG(r) seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(r))
+
+	if (dispc_runtime_get())
+		return;
+
+	/* DISPC common registers */
+	DUMPREG(DISPC_REVISION);
+	DUMPREG(DISPC_SYSCONFIG);
+	DUMPREG(DISPC_SYSSTATUS);
+	DUMPREG(DISPC_IRQSTATUS);
+	DUMPREG(DISPC_IRQENABLE);
+	DUMPREG(DISPC_CONTROL);
+	DUMPREG(DISPC_CONFIG);
+	DUMPREG(DISPC_CAPABLE);
+	DUMPREG(DISPC_LINE_STATUS);
+	DUMPREG(DISPC_LINE_NUMBER);
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
+			dss_has_feature(FEAT_ALPHA_FREE_ZORDER))
+		DUMPREG(DISPC_GLOBAL_ALPHA);
+	if (dss_has_feature(FEAT_MGR_LCD2)) {
+		DUMPREG(DISPC_CONTROL2);
+		DUMPREG(DISPC_CONFIG2);
+	}
+	if (dss_has_feature(FEAT_MGR_LCD3)) {
+		DUMPREG(DISPC_CONTROL3);
+		DUMPREG(DISPC_CONFIG3);
+	}
+	if (dss_has_feature(FEAT_MFLAG))
+		DUMPREG(DISPC_GLOBAL_MFLAG_ATTRIBUTE);
+
+#undef DUMPREG
+
+#define DISPC_REG(i, name) name(i)
+#define DUMPREG(i, r) seq_printf(s, "%s(%s)%*s %08x\n", #r, p_names[i], \
+	(int)(48 - strlen(#r) - strlen(p_names[i])), " ", \
+	dispc_read_reg(DISPC_REG(i, r)))
+
+	p_names = mgr_names;
+
+	/* DISPC channel specific registers */
+	for (i = 0; i < dss_feat_get_num_mgrs(); i++) {
+		DUMPREG(i, DISPC_DEFAULT_COLOR);
+		DUMPREG(i, DISPC_TRANS_COLOR);
+		DUMPREG(i, DISPC_SIZE_MGR);
+
+		if (i == OMAP_DSS_CHANNEL_DIGIT)
+			continue;
+
+		DUMPREG(i, DISPC_TIMING_H);
+		DUMPREG(i, DISPC_TIMING_V);
+		DUMPREG(i, DISPC_POL_FREQ);
+		DUMPREG(i, DISPC_DIVISORo);
+
+		DUMPREG(i, DISPC_DATA_CYCLE1);
+		DUMPREG(i, DISPC_DATA_CYCLE2);
+		DUMPREG(i, DISPC_DATA_CYCLE3);
+
+		if (dss_has_feature(FEAT_CPR)) {
+			DUMPREG(i, DISPC_CPR_COEF_R);
+			DUMPREG(i, DISPC_CPR_COEF_G);
+			DUMPREG(i, DISPC_CPR_COEF_B);
+		}
+	}
+
+	p_names = ovl_names;
+
+	for (i = 0; i < dss_feat_get_num_ovls(); i++) {
+		DUMPREG(i, DISPC_OVL_BA0);
+		DUMPREG(i, DISPC_OVL_BA1);
+		DUMPREG(i, DISPC_OVL_POSITION);
+		DUMPREG(i, DISPC_OVL_SIZE);
+		DUMPREG(i, DISPC_OVL_ATTRIBUTES);
+		DUMPREG(i, DISPC_OVL_FIFO_THRESHOLD);
+		DUMPREG(i, DISPC_OVL_FIFO_SIZE_STATUS);
+		DUMPREG(i, DISPC_OVL_ROW_INC);
+		DUMPREG(i, DISPC_OVL_PIXEL_INC);
+
+		if (dss_has_feature(FEAT_PRELOAD))
+			DUMPREG(i, DISPC_OVL_PRELOAD);
+		if (dss_has_feature(FEAT_MFLAG))
+			DUMPREG(i, DISPC_OVL_MFLAG_THRESHOLD);
+
+		if (i == OMAP_DSS_GFX) {
+			DUMPREG(i, DISPC_OVL_WINDOW_SKIP);
+			DUMPREG(i, DISPC_OVL_TABLE_BA);
+			continue;
+		}
+
+		DUMPREG(i, DISPC_OVL_FIR);
+		DUMPREG(i, DISPC_OVL_PICTURE_SIZE);
+		DUMPREG(i, DISPC_OVL_ACCU0);
+		DUMPREG(i, DISPC_OVL_ACCU1);
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			DUMPREG(i, DISPC_OVL_BA0_UV);
+			DUMPREG(i, DISPC_OVL_BA1_UV);
+			DUMPREG(i, DISPC_OVL_FIR2);
+			DUMPREG(i, DISPC_OVL_ACCU2_0);
+			DUMPREG(i, DISPC_OVL_ACCU2_1);
+		}
+		if (dss_has_feature(FEAT_ATTR2))
+			DUMPREG(i, DISPC_OVL_ATTRIBUTES2);
+	}
+
+	if (dispc.feat->has_writeback) {
+		i = OMAP_DSS_WB;
+		DUMPREG(i, DISPC_OVL_BA0);
+		DUMPREG(i, DISPC_OVL_BA1);
+		DUMPREG(i, DISPC_OVL_SIZE);
+		DUMPREG(i, DISPC_OVL_ATTRIBUTES);
+		DUMPREG(i, DISPC_OVL_FIFO_THRESHOLD);
+		DUMPREG(i, DISPC_OVL_FIFO_SIZE_STATUS);
+		DUMPREG(i, DISPC_OVL_ROW_INC);
+		DUMPREG(i, DISPC_OVL_PIXEL_INC);
+
+		if (dss_has_feature(FEAT_MFLAG))
+			DUMPREG(i, DISPC_OVL_MFLAG_THRESHOLD);
+
+		DUMPREG(i, DISPC_OVL_FIR);
+		DUMPREG(i, DISPC_OVL_PICTURE_SIZE);
+		DUMPREG(i, DISPC_OVL_ACCU0);
+		DUMPREG(i, DISPC_OVL_ACCU1);
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			DUMPREG(i, DISPC_OVL_BA0_UV);
+			DUMPREG(i, DISPC_OVL_BA1_UV);
+			DUMPREG(i, DISPC_OVL_FIR2);
+			DUMPREG(i, DISPC_OVL_ACCU2_0);
+			DUMPREG(i, DISPC_OVL_ACCU2_1);
+		}
+		if (dss_has_feature(FEAT_ATTR2))
+			DUMPREG(i, DISPC_OVL_ATTRIBUTES2);
+	}
+
+#undef DISPC_REG
+#undef DUMPREG
+
+#define DISPC_REG(plane, name, i) name(plane, i)
+#define DUMPREG(plane, name, i) \
+	seq_printf(s, "%s_%d(%s)%*s %08x\n", #name, i, p_names[plane], \
+	(int)(46 - strlen(#name) - strlen(p_names[plane])), " ", \
+	dispc_read_reg(DISPC_REG(plane, name, i)))
+
+	/* Video pipeline coefficient registers */
+
+	/* start from OMAP_DSS_VIDEO1 */
+	for (i = 1; i < dss_feat_get_num_ovls(); i++) {
+		for (j = 0; j < 8; j++)
+			DUMPREG(i, DISPC_OVL_FIR_COEF_H, j);
+
+		for (j = 0; j < 8; j++)
+			DUMPREG(i, DISPC_OVL_FIR_COEF_HV, j);
+
+		for (j = 0; j < 5; j++)
+			DUMPREG(i, DISPC_OVL_CONV_COEF, j);
+
+		if (dss_has_feature(FEAT_FIR_COEF_V)) {
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_V, j);
+		}
+
+		if (dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_H2, j);
+
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_HV2, j);
+
+			for (j = 0; j < 8; j++)
+				DUMPREG(i, DISPC_OVL_FIR_COEF_V2, j);
+		}
+	}
+
+	dispc_runtime_put();
+
+#undef DISPC_REG
+#undef DUMPREG
+}
+
+/* calculate clock rates using dividers in cinfo */
+int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
+		struct dispc_clock_info *cinfo)
+{
+	if (cinfo->lck_div > 255 || cinfo->lck_div == 0)
+		return -EINVAL;
+	if (cinfo->pck_div < 1 || cinfo->pck_div > 255)
+		return -EINVAL;
+
+	cinfo->lck = dispc_fclk_rate / cinfo->lck_div;
+	cinfo->pck = cinfo->lck / cinfo->pck_div;
+
+	return 0;
+}
+
+bool dispc_div_calc(unsigned long dispc,
+		unsigned long pck_min, unsigned long pck_max,
+		dispc_div_calc_func func, void *data)
+{
+	int lckd, lckd_start, lckd_stop;
+	int pckd, pckd_start, pckd_stop;
+	unsigned long pck, lck;
+	unsigned long lck_max;
+	unsigned long pckd_hw_min, pckd_hw_max;
+	unsigned min_fck_per_pck;
+	unsigned long fck;
+
+#ifdef CONFIG_FB_OMAP2_DSS_MIN_FCK_PER_PCK
+	min_fck_per_pck = CONFIG_FB_OMAP2_DSS_MIN_FCK_PER_PCK;
+#else
+	min_fck_per_pck = 0;
+#endif
+
+	pckd_hw_min = dss_feat_get_param_min(FEAT_PARAM_DSS_PCD);
+	pckd_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_PCD);
+
+	lck_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+
+	pck_min = pck_min ? pck_min : 1;
+	pck_max = pck_max ? pck_max : ULONG_MAX;
+
+	lckd_start = max(DIV_ROUND_UP(dispc, lck_max), 1ul);
+	lckd_stop = min(dispc / pck_min, 255ul);
+
+	for (lckd = lckd_start; lckd <= lckd_stop; ++lckd) {
+		lck = dispc / lckd;
+
+		pckd_start = max(DIV_ROUND_UP(lck, pck_max), pckd_hw_min);
+		pckd_stop = min(lck / pck_min, pckd_hw_max);
+
+		for (pckd = pckd_start; pckd <= pckd_stop; ++pckd) {
+			pck = lck / pckd;
+
+			/*
+			 * For OMAP2/3 the DISPC fclk is the same as LCD's logic
+			 * clock, which means we're configuring DISPC fclk here
+			 * also. Thus we need to use the calculated lck. For
+			 * OMAP4+ the DISPC fclk is a separate clock.
+			 */
+			if (dss_has_feature(FEAT_CORE_CLK_DIV))
+				fck = dispc_core_clk_rate();
+			else
+				fck = lck;
+
+			if (fck < pck * min_fck_per_pck)
+				continue;
+
+			if (func(lckd, pckd, lck, pck, data))
+				return true;
+		}
+	}
+
+	return false;
+}
+
+void dispc_mgr_set_clock_div(enum omap_channel channel,
+		const struct dispc_clock_info *cinfo)
+{
+	DSSDBG("lck = %lu (%u)\n", cinfo->lck, cinfo->lck_div);
+	DSSDBG("pck = %lu (%u)\n", cinfo->pck, cinfo->pck_div);
+
+	dispc_mgr_set_lcd_divisor(channel, cinfo->lck_div, cinfo->pck_div);
+}
+
+int dispc_mgr_get_clock_div(enum omap_channel channel,
+		struct dispc_clock_info *cinfo)
+{
+	unsigned long fck;
+
+	fck = dispc_fclk_rate();
+
+	cinfo->lck_div = REG_GET(DISPC_DIVISORo(channel), 23, 16);
+	cinfo->pck_div = REG_GET(DISPC_DIVISORo(channel), 7, 0);
+
+	cinfo->lck = fck / cinfo->lck_div;
+	cinfo->pck = cinfo->lck / cinfo->pck_div;
+
+	return 0;
+}
+
+u32 dispc_read_irqstatus(void)
+{
+	return dispc_read_reg(DISPC_IRQSTATUS);
+}
+EXPORT_SYMBOL(dispc_read_irqstatus);
+
+void dispc_clear_irqstatus(u32 mask)
+{
+	dispc_write_reg(DISPC_IRQSTATUS, mask);
+}
+EXPORT_SYMBOL(dispc_clear_irqstatus);
+
+u32 dispc_read_irqenable(void)
+{
+	return dispc_read_reg(DISPC_IRQENABLE);
+}
+EXPORT_SYMBOL(dispc_read_irqenable);
+
+void dispc_write_irqenable(u32 mask)
+{
+	u32 old_mask = dispc_read_reg(DISPC_IRQENABLE);
+
+	/* clear the irqstatus for newly enabled irqs */
+	dispc_clear_irqstatus((mask ^ old_mask) & mask);
+
+	dispc_write_reg(DISPC_IRQENABLE, mask);
+}
+EXPORT_SYMBOL(dispc_write_irqenable);
+
+void dispc_enable_sidle(void)
+{
+	REG_FLD_MOD(DISPC_SYSCONFIG, 2, 4, 3);	/* SIDLEMODE: smart idle */
+}
+
+void dispc_disable_sidle(void)
+{
+	REG_FLD_MOD(DISPC_SYSCONFIG, 1, 4, 3);	/* SIDLEMODE: no idle */
+}
+
+static void _omap_dispc_initial_config(void)
+{
+	u32 l;
+
+	/* Exclusively enable DISPC_CORE_CLK and set divider to 1 */
+	if (dss_has_feature(FEAT_CORE_CLK_DIV)) {
+		l = dispc_read_reg(DISPC_DIVISOR);
+		/* Use DISPC_DIVISOR.LCD, instead of DISPC_DIVISOR1.LCD */
+		l = FLD_MOD(l, 1, 0, 0);
+		l = FLD_MOD(l, 1, 23, 16);
+		dispc_write_reg(DISPC_DIVISOR, l);
+
+		dispc.core_clk_rate = dispc_fclk_rate();
+	}
+
+	/* FUNCGATED */
+	if (dss_has_feature(FEAT_FUNCGATED))
+		REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9);
+
+	dispc_setup_color_conv_coef();
+
+	dispc_set_loadmode(OMAP_DSS_LOAD_FRAME_ONLY);
+
+	dispc_init_fifos();
+
+	dispc_configure_burst_sizes();
+
+	dispc_ovl_enable_zorder_planes();
+
+	if (dispc.feat->mstandby_workaround)
+		REG_FLD_MOD(DISPC_MSTANDBY_CTRL, 1, 0, 0);
+
+	if (dss_has_feature(FEAT_MFLAG))
+		dispc_init_mflag();
+}
+
+static const struct dispc_features omap24xx_dispc_feats = {
+	.sw_start		=	5,
+	.fp_start		=	15,
+	.bp_start		=	27,
+	.sw_max			=	64,
+	.vp_max			=	255,
+	.hp_max			=	256,
+	.mgr_width_start	=	10,
+	.mgr_height_start	=	26,
+	.mgr_width_max		=	2048,
+	.mgr_height_max		=	2048,
+	.max_lcd_pclk		=	66500000,
+	.calc_scaling		=	dispc_ovl_calc_scaling_24xx,
+	.calc_core_clk		=	calc_core_clk_24xx,
+	.num_fifos		=	3,
+	.no_framedone_tv	=	true,
+	.set_max_preload	=	false,
+	.last_pixel_inc_missing	=	true,
+};
+
+static const struct dispc_features omap34xx_rev1_0_dispc_feats = {
+	.sw_start		=	5,
+	.fp_start		=	15,
+	.bp_start		=	27,
+	.sw_max			=	64,
+	.vp_max			=	255,
+	.hp_max			=	256,
+	.mgr_width_start	=	10,
+	.mgr_height_start	=	26,
+	.mgr_width_max		=	2048,
+	.mgr_height_max		=	2048,
+	.max_lcd_pclk		=	173000000,
+	.max_tv_pclk		=	59000000,
+	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
+	.calc_core_clk		=	calc_core_clk_34xx,
+	.num_fifos		=	3,
+	.no_framedone_tv	=	true,
+	.set_max_preload	=	false,
+	.last_pixel_inc_missing	=	true,
+};
+
+static const struct dispc_features omap34xx_rev3_0_dispc_feats = {
+	.sw_start		=	7,
+	.fp_start		=	19,
+	.bp_start		=	31,
+	.sw_max			=	256,
+	.vp_max			=	4095,
+	.hp_max			=	4096,
+	.mgr_width_start	=	10,
+	.mgr_height_start	=	26,
+	.mgr_width_max		=	2048,
+	.mgr_height_max		=	2048,
+	.max_lcd_pclk		=	173000000,
+	.max_tv_pclk		=	59000000,
+	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
+	.calc_core_clk		=	calc_core_clk_34xx,
+	.num_fifos		=	3,
+	.no_framedone_tv	=	true,
+	.set_max_preload	=	false,
+	.last_pixel_inc_missing	=	true,
+};
+
+static const struct dispc_features omap44xx_dispc_feats = {
+	.sw_start		=	7,
+	.fp_start		=	19,
+	.bp_start		=	31,
+	.sw_max			=	256,
+	.vp_max			=	4095,
+	.hp_max			=	4096,
+	.mgr_width_start	=	10,
+	.mgr_height_start	=	26,
+	.mgr_width_max		=	2048,
+	.mgr_height_max		=	2048,
+	.max_lcd_pclk		=	170000000,
+	.max_tv_pclk		=	185625000,
+	.calc_scaling		=	dispc_ovl_calc_scaling_44xx,
+	.calc_core_clk		=	calc_core_clk_44xx,
+	.num_fifos		=	5,
+	.gfx_fifo_workaround	=	true,
+	.set_max_preload	=	true,
+	.supports_sync_align	=	true,
+	.has_writeback		=	true,
+};
+
+static const struct dispc_features omap54xx_dispc_feats = {
+	.sw_start		=	7,
+	.fp_start		=	19,
+	.bp_start		=	31,
+	.sw_max			=	256,
+	.vp_max			=	4095,
+	.hp_max			=	4096,
+	.mgr_width_start	=	11,
+	.mgr_height_start	=	27,
+	.mgr_width_max		=	4096,
+	.mgr_height_max		=	4096,
+	.max_lcd_pclk		=	170000000,
+	.max_tv_pclk		=	186000000,
+	.calc_scaling		=	dispc_ovl_calc_scaling_44xx,
+	.calc_core_clk		=	calc_core_clk_44xx,
+	.num_fifos		=	5,
+	.gfx_fifo_workaround	=	true,
+	.mstandby_workaround	=	true,
+	.set_max_preload	=	true,
+	.supports_sync_align	=	true,
+	.has_writeback		=	true,
+};
+
+static const struct dispc_features *dispc_get_features(void)
+{
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP24xx:
+		return &omap24xx_dispc_feats;
+
+	case OMAPDSS_VER_OMAP34xx_ES1:
+		return &omap34xx_rev1_0_dispc_feats;
+
+	case OMAPDSS_VER_OMAP34xx_ES3:
+	case OMAPDSS_VER_OMAP3630:
+	case OMAPDSS_VER_AM35xx:
+	case OMAPDSS_VER_AM43xx:
+		return &omap34xx_rev3_0_dispc_feats;
+
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		return &omap44xx_dispc_feats;
+
+	case OMAPDSS_VER_OMAP5:
+	case OMAPDSS_VER_DRA7xx:
+		return &omap54xx_dispc_feats;
+
+	default:
+		return NULL;
+	}
+}
+
+static irqreturn_t dispc_irq_handler(int irq, void *arg)
+{
+	if (!dispc.is_enabled)
+		return IRQ_NONE;
+
+	return dispc.user_handler(irq, dispc.user_data);
+}
+
+int dispc_request_irq(irq_handler_t handler, void *dev_id)
+{
+	int r;
+
+	if (dispc.user_handler != NULL)
+		return -EBUSY;
+
+	dispc.user_handler = handler;
+	dispc.user_data = dev_id;
+
+	/* ensure the dispc_irq_handler sees the values above */
+	smp_wmb();
+
+	r = devm_request_irq(&dispc.pdev->dev, dispc.irq, dispc_irq_handler,
+			     IRQF_SHARED, "OMAP DISPC", &dispc);
+	if (r) {
+		dispc.user_handler = NULL;
+		dispc.user_data = NULL;
+	}
+
+	return r;
+}
+EXPORT_SYMBOL(dispc_request_irq);
+
+void dispc_free_irq(void *dev_id)
+{
+	devm_free_irq(&dispc.pdev->dev, dispc.irq, &dispc);
+
+	dispc.user_handler = NULL;
+	dispc.user_data = NULL;
+}
+EXPORT_SYMBOL(dispc_free_irq);
+
+/* DISPC HW IP initialisation */
+static int dispc_bind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	u32 rev;
+	int r = 0;
+	struct resource *dispc_mem;
+	struct device_node *np = pdev->dev.of_node;
+
+	dispc.pdev = pdev;
+
+	spin_lock_init(&dispc.control_lock);
+
+	dispc.feat = dispc_get_features();
+	if (!dispc.feat)
+		return -ENODEV;
+
+	dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0);
+	if (!dispc_mem) {
+		DSSERR("can't get IORESOURCE_MEM DISPC\n");
+		return -EINVAL;
+	}
+
+	dispc.base = devm_ioremap(&pdev->dev, dispc_mem->start,
+				  resource_size(dispc_mem));
+	if (!dispc.base) {
+		DSSERR("can't ioremap DISPC\n");
+		return -ENOMEM;
+	}
+
+	dispc.irq = platform_get_irq(dispc.pdev, 0);
+	if (dispc.irq < 0) {
+		DSSERR("platform_get_irq failed\n");
+		return -ENODEV;
+	}
+
+	if (np && of_property_read_bool(np, "syscon-pol")) {
+		dispc.syscon_pol = syscon_regmap_lookup_by_phandle(np, "syscon-pol");
+		if (IS_ERR(dispc.syscon_pol)) {
+			dev_err(&pdev->dev, "failed to get syscon-pol regmap\n");
+			return PTR_ERR(dispc.syscon_pol);
+		}
+
+		if (of_property_read_u32_index(np, "syscon-pol", 1,
+				&dispc.syscon_pol_offset)) {
+			dev_err(&pdev->dev, "failed to get syscon-pol offset\n");
+			return -EINVAL;
+		}
+	}
+
+	pm_runtime_enable(&pdev->dev);
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	_omap_dispc_initial_config();
+
+	rev = dispc_read_reg(DISPC_REVISION);
+	dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n",
+	       FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+	dispc_runtime_put();
+
+	dss_init_overlay_managers();
+
+	dss_debugfs_create_file("dispc", dispc_dump_regs);
+
+	return 0;
+
+err_runtime_get:
+	pm_runtime_disable(&pdev->dev);
+	return r;
+}
+
+static void dispc_unbind(struct device *dev, struct device *master,
+			       void *data)
+{
+	pm_runtime_disable(dev);
+
+	dss_uninit_overlay_managers();
+}
+
+static const struct component_ops dispc_component_ops = {
+	.bind	= dispc_bind,
+	.unbind	= dispc_unbind,
+};
+
+static int dispc_probe(struct platform_device *pdev)
+{
+	return component_add(&pdev->dev, &dispc_component_ops);
+}
+
+static int dispc_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &dispc_component_ops);
+	return 0;
+}
+
+static int dispc_runtime_suspend(struct device *dev)
+{
+	dispc.is_enabled = false;
+	/* ensure the dispc_irq_handler sees the is_enabled value */
+	smp_wmb();
+	/* wait for current handler to finish before turning the DISPC off */
+	synchronize_irq(dispc.irq);
+
+	dispc_save_context();
+
+	return 0;
+}
+
+static int dispc_runtime_resume(struct device *dev)
+{
+	/*
+	 * The reset value for load mode is 0 (OMAP_DSS_LOAD_CLUT_AND_FRAME)
+	 * but we always initialize it to 2 (OMAP_DSS_LOAD_FRAME_ONLY) in
+	 * _omap_dispc_initial_config(). We can thus use it to detect if
+	 * we have lost register context.
+	 */
+	if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) {
+		_omap_dispc_initial_config();
+
+		dispc_restore_context();
+	}
+
+	dispc.is_enabled = true;
+	/* ensure the dispc_irq_handler sees the is_enabled value */
+	smp_wmb();
+
+	return 0;
+}
+
+static const struct dev_pm_ops dispc_pm_ops = {
+	.runtime_suspend = dispc_runtime_suspend,
+	.runtime_resume = dispc_runtime_resume,
+};
+
+static const struct of_device_id dispc_of_match[] = {
+	{ .compatible = "ti,omap2-dispc", },
+	{ .compatible = "ti,omap3-dispc", },
+	{ .compatible = "ti,omap4-dispc", },
+	{ .compatible = "ti,omap5-dispc", },
+	{ .compatible = "ti,dra7-dispc", },
+	{},
+};
+
+static struct platform_driver omap_dispchw_driver = {
+	.probe		= dispc_probe,
+	.remove         = dispc_remove,
+	.driver         = {
+		.name   = "omapdss_dispc",
+		.pm	= &dispc_pm_ops,
+		.of_match_table = dispc_of_match,
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init dispc_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_dispchw_driver);
+}
+
+void dispc_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omap_dispchw_driver);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.h b/drivers/video/fbdev/omap2/omapfb/dss/dispc.h
new file mode 100644
index 000000000..65bba5420
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.h
@@ -0,0 +1,907 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/drivers/video/omap2/dss/dispc.h
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Archit Taneja <archit@ti.com>
+ */
+
+#ifndef __OMAP2_DISPC_REG_H
+#define __OMAP2_DISPC_REG_H
+
+/* DISPC common registers */
+#define DISPC_REVISION			0x0000
+#define DISPC_SYSCONFIG			0x0010
+#define DISPC_SYSSTATUS			0x0014
+#define DISPC_IRQSTATUS			0x0018
+#define DISPC_IRQENABLE			0x001C
+#define DISPC_CONTROL			0x0040
+#define DISPC_CONFIG			0x0044
+#define DISPC_CAPABLE			0x0048
+#define DISPC_LINE_STATUS		0x005C
+#define DISPC_LINE_NUMBER		0x0060
+#define DISPC_GLOBAL_ALPHA		0x0074
+#define DISPC_CONTROL2			0x0238
+#define DISPC_CONFIG2			0x0620
+#define DISPC_DIVISOR			0x0804
+#define DISPC_GLOBAL_BUFFER		0x0800
+#define DISPC_CONTROL3                  0x0848
+#define DISPC_CONFIG3                   0x084C
+#define DISPC_MSTANDBY_CTRL		0x0858
+#define DISPC_GLOBAL_MFLAG_ATTRIBUTE	0x085C
+
+/* DISPC overlay registers */
+#define DISPC_OVL_BA0(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA0_OFFSET(n))
+#define DISPC_OVL_BA1(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA1_OFFSET(n))
+#define DISPC_OVL_BA0_UV(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA0_UV_OFFSET(n))
+#define DISPC_OVL_BA1_UV(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_BA1_UV_OFFSET(n))
+#define DISPC_OVL_POSITION(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_POS_OFFSET(n))
+#define DISPC_OVL_SIZE(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_SIZE_OFFSET(n))
+#define DISPC_OVL_ATTRIBUTES(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ATTR_OFFSET(n))
+#define DISPC_OVL_ATTRIBUTES2(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_ATTR2_OFFSET(n))
+#define DISPC_OVL_FIFO_THRESHOLD(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIFO_THRESH_OFFSET(n))
+#define DISPC_OVL_FIFO_SIZE_STATUS(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIFO_SIZE_STATUS_OFFSET(n))
+#define DISPC_OVL_ROW_INC(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ROW_INC_OFFSET(n))
+#define DISPC_OVL_PIXEL_INC(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_PIX_INC_OFFSET(n))
+#define DISPC_OVL_WINDOW_SKIP(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_WINDOW_SKIP_OFFSET(n))
+#define DISPC_OVL_TABLE_BA(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_TABLE_BA_OFFSET(n))
+#define DISPC_OVL_FIR(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_OFFSET(n))
+#define DISPC_OVL_FIR2(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_FIR2_OFFSET(n))
+#define DISPC_OVL_PICTURE_SIZE(n)	(DISPC_OVL_BASE(n) + \
+					DISPC_PIC_SIZE_OFFSET(n))
+#define DISPC_OVL_ACCU0(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU0_OFFSET(n))
+#define DISPC_OVL_ACCU1(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU1_OFFSET(n))
+#define DISPC_OVL_ACCU2_0(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU2_0_OFFSET(n))
+#define DISPC_OVL_ACCU2_1(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_ACCU2_1_OFFSET(n))
+#define DISPC_OVL_FIR_COEF_H(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_H_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_HV(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_HV_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_H2(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_H2_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_HV2(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_HV2_OFFSET(n, i))
+#define DISPC_OVL_CONV_COEF(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_CONV_COEF_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_V(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_V_OFFSET(n, i))
+#define DISPC_OVL_FIR_COEF_V2(n, i)	(DISPC_OVL_BASE(n) + \
+					DISPC_FIR_COEF_V2_OFFSET(n, i))
+#define DISPC_OVL_PRELOAD(n)		(DISPC_OVL_BASE(n) + \
+					DISPC_PRELOAD_OFFSET(n))
+#define DISPC_OVL_MFLAG_THRESHOLD(n)	DISPC_MFLAG_THRESHOLD_OFFSET(n)
+
+/* DISPC up/downsampling FIR filter coefficient structure */
+struct dispc_coef {
+	s8 hc4_vc22;
+	s8 hc3_vc2;
+	u8 hc2_vc1;
+	s8 hc1_vc0;
+	s8 hc0_vc00;
+};
+
+const struct dispc_coef *dispc_ovl_get_scale_coef(int inc, int five_taps);
+
+/* DISPC manager/channel specific registers */
+static inline u16 DISPC_DEFAULT_COLOR(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x004C;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return 0x0050;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03AC;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0814;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_TRANS_COLOR(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0054;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return 0x0058;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03B0;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0818;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_TIMING_H(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0064;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x0400;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0840;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_TIMING_V(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0068;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x0404;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0844;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_POL_FREQ(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x006C;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x0408;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x083C;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_DIVISORo(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0070;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x040C;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0838;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* Named as DISPC_SIZE_LCD, DISPC_SIZE_DIGIT and DISPC_SIZE_LCD2 in TRM */
+static inline u16 DISPC_SIZE_MGR(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x007C;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		return 0x0078;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03CC;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0834;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_DATA_CYCLE1(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x01D4;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03C0;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0828;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_DATA_CYCLE2(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x01D8;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03C4;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x082C;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_DATA_CYCLE3(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x01DC;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03C8;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0830;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_CPR_COEF_R(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0220;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03BC;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0824;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_CPR_COEF_G(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0224;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03B8;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x0820;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_CPR_COEF_B(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return 0x0228;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		BUG();
+		return 0;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return 0x03B4;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return 0x081C;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* DISPC overlay register base addresses */
+static inline u16 DISPC_OVL_BASE(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0080;
+	case OMAP_DSS_VIDEO1:
+		return 0x00BC;
+	case OMAP_DSS_VIDEO2:
+		return 0x014C;
+	case OMAP_DSS_VIDEO3:
+		return 0x0300;
+	case OMAP_DSS_WB:
+		return 0x0500;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* DISPC overlay register offsets */
+static inline u16 DISPC_BA0_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0000;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0008;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_BA1_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0004;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x000C;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_BA0_UV_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0544;
+	case OMAP_DSS_VIDEO2:
+		return 0x04BC;
+	case OMAP_DSS_VIDEO3:
+		return 0x0310;
+	case OMAP_DSS_WB:
+		return 0x0118;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_BA1_UV_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0548;
+	case OMAP_DSS_VIDEO2:
+		return 0x04C0;
+	case OMAP_DSS_VIDEO3:
+		return 0x0314;
+	case OMAP_DSS_WB:
+		return 0x011C;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_POS_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0008;
+	case OMAP_DSS_VIDEO3:
+		return 0x009C;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_SIZE_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x000C;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x00A8;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_ATTR_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0020;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0010;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0070;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_ATTR2_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0568;
+	case OMAP_DSS_VIDEO2:
+		return 0x04DC;
+	case OMAP_DSS_VIDEO3:
+		return 0x032C;
+	case OMAP_DSS_WB:
+		return 0x0310;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_FIFO_THRESH_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0024;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0014;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x008C;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_FIFO_SIZE_STATUS_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0028;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0018;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0088;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_ROW_INC_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x002C;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x001C;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x00A4;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_PIX_INC_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0030;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0020;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0098;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_WINDOW_SKIP_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0034;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		BUG();
+		return 0;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_TABLE_BA_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0038;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+		BUG();
+		return 0;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_FIR_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0024;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0090;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_FIR2_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0580;
+	case OMAP_DSS_VIDEO2:
+		return 0x055C;
+	case OMAP_DSS_VIDEO3:
+		return 0x0424;
+	case OMAP_DSS_WB:
+		return 0x290;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_PIC_SIZE_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0028;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0094;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+
+static inline u16 DISPC_ACCU0_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x002C;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0000;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_ACCU2_0_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0584;
+	case OMAP_DSS_VIDEO2:
+		return 0x0560;
+	case OMAP_DSS_VIDEO3:
+		return 0x0428;
+	case OMAP_DSS_WB:
+		return 0x0294;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_ACCU1_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0030;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0004;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_ACCU2_1_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0588;
+	case OMAP_DSS_VIDEO2:
+		return 0x0564;
+	case OMAP_DSS_VIDEO3:
+		return 0x042C;
+	case OMAP_DSS_WB:
+		return 0x0298;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_H_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0034 + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0010 + i * 0x8;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_H2_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x058C + i * 0x8;
+	case OMAP_DSS_VIDEO2:
+		return 0x0568 + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+		return 0x0430 + i * 0x8;
+	case OMAP_DSS_WB:
+		return 0x02A0 + i * 0x8;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_HV_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+		return 0x0038 + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0014 + i * 0x8;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_HV2_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0590 + i * 8;
+	case OMAP_DSS_VIDEO2:
+		return 0x056C + i * 0x8;
+	case OMAP_DSS_VIDEO3:
+		return 0x0434 + i * 0x8;
+	case OMAP_DSS_WB:
+		return 0x02A4 + i * 0x8;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4,} */
+static inline u16 DISPC_CONV_COEF_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+	case OMAP_DSS_VIDEO2:
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0074 + i * 0x4;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_V_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x0124 + i * 0x4;
+	case OMAP_DSS_VIDEO2:
+		return 0x00B4 + i * 0x4;
+	case OMAP_DSS_VIDEO3:
+	case OMAP_DSS_WB:
+		return 0x0050 + i * 0x4;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+/* coef index i = {0, 1, 2, 3, 4, 5, 6, 7} */
+static inline u16 DISPC_FIR_COEF_V2_OFFSET(enum omap_plane plane, u16 i)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		BUG();
+		return 0;
+	case OMAP_DSS_VIDEO1:
+		return 0x05CC + i * 0x4;
+	case OMAP_DSS_VIDEO2:
+		return 0x05A8 + i * 0x4;
+	case OMAP_DSS_VIDEO3:
+		return 0x0470 + i * 0x4;
+	case OMAP_DSS_WB:
+		return 0x02E0 + i * 0x4;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_PRELOAD_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x01AC;
+	case OMAP_DSS_VIDEO1:
+		return 0x0174;
+	case OMAP_DSS_VIDEO2:
+		return 0x00E8;
+	case OMAP_DSS_VIDEO3:
+		return 0x00A0;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static inline u16 DISPC_MFLAG_THRESHOLD_OFFSET(enum omap_plane plane)
+{
+	switch (plane) {
+	case OMAP_DSS_GFX:
+		return 0x0860;
+	case OMAP_DSS_VIDEO1:
+		return 0x0864;
+	case OMAP_DSS_VIDEO2:
+		return 0x0868;
+	case OMAP_DSS_VIDEO3:
+		return 0x086c;
+	case OMAP_DSS_WB:
+		return 0x0870;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+#endif
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc_coefs.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc_coefs.c
new file mode 100644
index 000000000..2c85ec973
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc_coefs.c
@@ -0,0 +1,314 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/dispc_coefs.c
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Chandrabhanu Mahapatra <cmahapatra@ti.com>
+ */
+
+#include <linux/kernel.h>
+#include <video/omapfb_dss.h>
+
+#include "dispc.h"
+
+static const struct dispc_coef coef3_M8[8] = {
+	{ 0,  0, 128,  0, 0 },
+	{ 0, -4, 123,  9, 0 },
+	{ 0, -4, 108, 24, 0 },
+	{ 0, -2,  87, 43, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 43,  87, -2, 0 },
+	{ 0, 24, 108, -4, 0 },
+	{ 0,  9, 123, -4, 0 },
+};
+
+static const struct dispc_coef coef3_M9[8] = {
+	{ 0,  6, 116,  6, 0 },
+	{ 0,  0, 112, 16, 0 },
+	{ 0, -2, 100, 30, 0 },
+	{ 0, -2,  83, 47, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 47,  83, -2, 0 },
+	{ 0, 30, 100, -2, 0 },
+	{ 0, 16, 112,  0, 0 },
+};
+
+static const struct dispc_coef coef3_M10[8] = {
+	{ 0, 10, 108, 10, 0 },
+	{ 0,  3, 104, 21, 0 },
+	{ 0,  0,  94, 34, 0 },
+	{ 0, -1,  80, 49, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 49,  80, -1, 0 },
+	{ 0, 34,  94,  0, 0 },
+	{ 0, 21, 104,  3, 0 },
+};
+
+static const struct dispc_coef coef3_M11[8] = {
+	{ 0, 14, 100, 14, 0 },
+	{ 0,  6,  98, 24, 0 },
+	{ 0,  2,  90, 36, 0 },
+	{ 0,  0,  78, 50, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 50,  78,  0, 0 },
+	{ 0, 36,  90,  2, 0 },
+	{ 0, 24,  98,  6, 0 },
+};
+
+static const struct dispc_coef coef3_M12[8] = {
+	{ 0, 16,  96, 16, 0 },
+	{ 0,  9,  93, 26, 0 },
+	{ 0,  4,  86, 38, 0 },
+	{ 0,  1,  76, 51, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 51,  76,  1, 0 },
+	{ 0, 38,  86,  4, 0 },
+	{ 0, 26,  93,  9, 0 },
+};
+
+static const struct dispc_coef coef3_M13[8] = {
+	{ 0, 18,  92, 18, 0 },
+	{ 0, 10,  90, 28, 0 },
+	{ 0,  5,  83, 40, 0 },
+	{ 0,  1,  75, 52, 0 },
+	{ 0, 64,  64,  0, 0 },
+	{ 0, 52,  75,  1, 0 },
+	{ 0, 40,  83,  5, 0 },
+	{ 0, 28,  90, 10, 0 },
+};
+
+static const struct dispc_coef coef3_M14[8] = {
+	{ 0, 20, 88, 20, 0 },
+	{ 0, 12, 86, 30, 0 },
+	{ 0,  6, 81, 41, 0 },
+	{ 0,  2, 74, 52, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 52, 74,  2, 0 },
+	{ 0, 41, 81,  6, 0 },
+	{ 0, 30, 86, 12, 0 },
+};
+
+static const struct dispc_coef coef3_M16[8] = {
+	{ 0, 22, 84, 22, 0 },
+	{ 0, 14, 82, 32, 0 },
+	{ 0,  8, 78, 42, 0 },
+	{ 0,  3, 72, 53, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 53, 72,  3, 0 },
+	{ 0, 42, 78,  8, 0 },
+	{ 0, 32, 82, 14, 0 },
+};
+
+static const struct dispc_coef coef3_M19[8] = {
+	{ 0, 24, 80, 24, 0 },
+	{ 0, 16, 79, 33, 0 },
+	{ 0,  9, 76, 43, 0 },
+	{ 0,  4, 70, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 70,  4, 0 },
+	{ 0, 43, 76,  9, 0 },
+	{ 0, 33, 79, 16, 0 },
+};
+
+static const struct dispc_coef coef3_M22[8] = {
+	{ 0, 25, 78, 25, 0 },
+	{ 0, 17, 77, 34, 0 },
+	{ 0, 10, 74, 44, 0 },
+	{ 0,  5, 69, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 69,  5, 0 },
+	{ 0, 44, 74, 10, 0 },
+	{ 0, 34, 77, 17, 0 },
+};
+
+static const struct dispc_coef coef3_M26[8] = {
+	{ 0, 26, 76, 26, 0 },
+	{ 0, 19, 74, 35, 0 },
+	{ 0, 11, 72, 45, 0 },
+	{ 0,  5, 69, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 69,  5, 0 },
+	{ 0, 45, 72, 11, 0 },
+	{ 0, 35, 74, 19, 0 },
+};
+
+static const struct dispc_coef coef3_M32[8] = {
+	{ 0, 27, 74, 27, 0 },
+	{ 0, 19, 73, 36, 0 },
+	{ 0, 12, 71, 45, 0 },
+	{ 0,  6, 68, 54, 0 },
+	{ 0, 64, 64,  0, 0 },
+	{ 0, 54, 68,  6, 0 },
+	{ 0, 45, 71, 12, 0 },
+	{ 0, 36, 73, 19, 0 },
+};
+
+static const struct dispc_coef coef5_M8[8] = {
+	{   0,   0, 128,   0,   0 },
+	{  -2,  14, 125, -10,   1 },
+	{  -6,  33, 114, -15,   2 },
+	{ -10,  55,  98, -16,   1 },
+	{   0, -14,  78,  78, -14 },
+	{   1, -16,  98,  55, -10 },
+	{   2, -15, 114,  33,  -6 },
+	{   1, -10, 125,  14,  -2 },
+};
+
+static const struct dispc_coef coef5_M9[8] = {
+	{  -3,  10, 114,  10,  -3 },
+	{  -6,  24, 111,   0,  -1 },
+	{  -8,  40, 103,  -7,   0 },
+	{ -11,  58,  91, -11,   1 },
+	{   0, -12,  76,  76, -12 },
+	{   1, -11,  91,  58, -11 },
+	{   0,  -7, 103,  40,  -8 },
+	{  -1,   0, 111,  24,  -6 },
+};
+
+static const struct dispc_coef coef5_M10[8] = {
+	{  -4,  18, 100,  18,  -4 },
+	{  -6,  30,  99,   8,  -3 },
+	{  -8,  44,  93,   0,  -1 },
+	{  -9,  58,  84,  -5,   0 },
+	{   0,  -8,  72,  72,  -8 },
+	{   0,  -5,  84,  58,  -9 },
+	{  -1,   0,  93,  44,  -8 },
+	{  -3,   8,  99,  30,  -6 },
+};
+
+static const struct dispc_coef coef5_M11[8] = {
+	{  -5,  23,  92,  23,  -5 },
+	{  -6,  34,  90,  13,  -3 },
+	{  -6,  45,  85,   6,  -2 },
+	{  -6,  57,  78,   0,  -1 },
+	{   0,  -4,  68,  68,  -4 },
+	{  -1,   0,  78,  57,  -6 },
+	{  -2,   6,  85,  45,  -6 },
+	{  -3,  13,  90,  34,  -6 },
+};
+
+static const struct dispc_coef coef5_M12[8] = {
+	{  -4,  26,  84,  26,  -4 },
+	{  -5,  36,  82,  18,  -3 },
+	{  -4,  46,  78,  10,  -2 },
+	{  -3,  55,  72,   5,  -1 },
+	{   0,   0,  64,  64,   0 },
+	{  -1,   5,  72,  55,  -3 },
+	{  -2,  10,  78,  46,  -4 },
+	{  -3,  18,  82,  36,  -5 },
+};
+
+static const struct dispc_coef coef5_M13[8] = {
+	{  -3,  28,  78,  28,  -3 },
+	{  -3,  37,  76,  21,  -3 },
+	{  -2,  45,  73,  14,  -2 },
+	{   0,  53,  68,   8,  -1 },
+	{   0,   3,  61,  61,   3 },
+	{  -1,   8,  68,  53,   0 },
+	{  -2,  14,  73,  45,  -2 },
+	{  -3,  21,  76,  37,  -3 },
+};
+
+static const struct dispc_coef coef5_M14[8] = {
+	{  -2,  30,  72,  30,  -2 },
+	{  -1,  37,  71,  23,  -2 },
+	{   0,  45,  69,  16,  -2 },
+	{   3,  52,  64,  10,  -1 },
+	{   0,   6,  58,  58,   6 },
+	{  -1,  10,  64,  52,   3 },
+	{  -2,  16,  69,  45,   0 },
+	{  -2,  23,  71,  37,  -1 },
+};
+
+static const struct dispc_coef coef5_M16[8] = {
+	{   0,  31,  66,  31,   0 },
+	{   1,  38,  65,  25,  -1 },
+	{   3,  44,  62,  20,  -1 },
+	{   6,  49,  59,  14,   0 },
+	{   0,  10,  54,  54,  10 },
+	{   0,  14,  59,  49,   6 },
+	{  -1,  20,  62,  44,   3 },
+	{  -1,  25,  65,  38,   1 },
+};
+
+static const struct dispc_coef coef5_M19[8] = {
+	{   3,  32,  58,  32,   3 },
+	{   4,  38,  58,  27,   1 },
+	{   7,  42,  55,  23,   1 },
+	{  10,  46,  54,  18,   0 },
+	{   0,  14,  50,  50,  14 },
+	{   0,  18,  54,  46,  10 },
+	{   1,  23,  55,  42,   7 },
+	{   1,  27,  58,  38,   4 },
+};
+
+static const struct dispc_coef coef5_M22[8] = {
+	{   4,  33,  54,  33,   4 },
+	{   6,  37,  54,  28,   3 },
+	{   9,  41,  53,  24,   1 },
+	{  12,  45,  51,  20,   0 },
+	{   0,  16,  48,  48,  16 },
+	{   0,  20,  51,  45,  12 },
+	{   1,  24,  53,  41,   9 },
+	{   3,  28,  54,  37,   6 },
+};
+
+static const struct dispc_coef coef5_M26[8] = {
+	{   6,  33,  50,  33,   6 },
+	{   8,  36,  51,  29,   4 },
+	{  11,  40,  50,  25,   2 },
+	{  14,  43,  48,  22,   1 },
+	{   0,  18,  46,  46,  18 },
+	{   1,  22,  48,  43,  14 },
+	{   2,  25,  50,  40,  11 },
+	{   4,  29,  51,  36,   8 },
+};
+
+static const struct dispc_coef coef5_M32[8] = {
+	{   7,  33,  48,  33,   7 },
+	{  10,  36,  48,  29,   5 },
+	{  13,  39,  47,  26,   3 },
+	{  16,  42,  46,  23,   1 },
+	{   0,  19,  45,  45,  19 },
+	{   1,  23,  46,  42,  16 },
+	{   3,  26,  47,  39,  13 },
+	{   5,  29,  48,  36,  10 },
+};
+
+const struct dispc_coef *dispc_ovl_get_scale_coef(int inc, int five_taps)
+{
+	int i;
+	static const struct {
+		int Mmin;
+		int Mmax;
+		const struct dispc_coef *coef_3;
+		const struct dispc_coef *coef_5;
+	} coefs[] = {
+		{ 27, 32, coef3_M32, coef5_M32 },
+		{ 23, 26, coef3_M26, coef5_M26 },
+		{ 20, 22, coef3_M22, coef5_M22 },
+		{ 17, 19, coef3_M19, coef5_M19 },
+		{ 15, 16, coef3_M16, coef5_M16 },
+		{ 14, 14, coef3_M14, coef5_M14 },
+		{ 13, 13, coef3_M13, coef5_M13 },
+		{ 12, 12, coef3_M12, coef5_M12 },
+		{ 11, 11, coef3_M11, coef5_M11 },
+		{ 10, 10, coef3_M10, coef5_M10 },
+		{  9,  9,  coef3_M9,  coef5_M9 },
+		{  4,  8,  coef3_M8,  coef5_M8 },
+		/*
+		 * When upscaling more than two times, blockiness and outlines
+		 * around the image are observed when M8 tables are used. M11,
+		 * M16 and M19 tables are used to prevent this.
+		 */
+		{  3,  3, coef3_M11, coef5_M11 },
+		{  2,  2, coef3_M16, coef5_M16 },
+		{  0,  1, coef3_M19, coef5_M19 },
+	};
+
+	inc /= 128;
+	for (i = 0; i < ARRAY_SIZE(coefs); ++i)
+		if (inc >= coefs[i].Mmin && inc <= coefs[i].Mmax)
+			return five_taps ? coefs[i].coef_5 : coefs[i].coef_3;
+	return NULL;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c
new file mode 100644
index 000000000..bc5a44c2a
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c
@@ -0,0 +1,346 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "DISPLAY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/sysfs.h>
+
+#include <video/omapfb_dss.h>
+#include "dss.h"
+
+static ssize_t display_name_show(struct omap_dss_device *dssdev, char *buf)
+{
+	return sysfs_emit(buf, "%s\n",
+			dssdev->name ?
+			dssdev->name : "");
+}
+
+static ssize_t display_enabled_show(struct omap_dss_device *dssdev, char *buf)
+{
+	return sysfs_emit(buf, "%d\n",
+			omapdss_device_is_enabled(dssdev));
+}
+
+static ssize_t display_enabled_store(struct omap_dss_device *dssdev,
+		const char *buf, size_t size)
+{
+	int r;
+	bool enable;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	if (enable == omapdss_device_is_enabled(dssdev))
+		return size;
+
+	if (omapdss_device_is_connected(dssdev) == false)
+		return -ENODEV;
+
+	if (enable) {
+		r = dssdev->driver->enable(dssdev);
+		if (r)
+			return r;
+	} else {
+		dssdev->driver->disable(dssdev);
+	}
+
+	return size;
+}
+
+static ssize_t display_tear_show(struct omap_dss_device *dssdev, char *buf)
+{
+	return sysfs_emit(buf, "%d\n",
+			dssdev->driver->get_te ?
+			dssdev->driver->get_te(dssdev) : 0);
+}
+
+static ssize_t display_tear_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
+{
+	int r;
+	bool te;
+
+	if (!dssdev->driver->enable_te || !dssdev->driver->get_te)
+		return -ENOENT;
+
+	r = strtobool(buf, &te);
+	if (r)
+		return r;
+
+	r = dssdev->driver->enable_te(dssdev, te);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t display_timings_show(struct omap_dss_device *dssdev, char *buf)
+{
+	struct omap_video_timings t;
+
+	if (!dssdev->driver->get_timings)
+		return -ENOENT;
+
+	dssdev->driver->get_timings(dssdev, &t);
+
+	return sysfs_emit(buf, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n",
+			t.pixelclock,
+			t.x_res, t.hfp, t.hbp, t.hsw,
+			t.y_res, t.vfp, t.vbp, t.vsw);
+}
+
+static ssize_t display_timings_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
+{
+	struct omap_video_timings t = dssdev->panel.timings;
+	int r, found;
+
+	if (!dssdev->driver->set_timings || !dssdev->driver->check_timings)
+		return -ENOENT;
+
+	found = 0;
+#ifdef CONFIG_FB_OMAP2_DSS_VENC
+	if (strncmp("pal", buf, 3) == 0) {
+		t = omap_dss_pal_timings;
+		found = 1;
+	} else if (strncmp("ntsc", buf, 4) == 0) {
+		t = omap_dss_ntsc_timings;
+		found = 1;
+	}
+#endif
+	if (!found && sscanf(buf, "%u,%hu/%hu/%hu/%hu,%hu/%hu/%hu/%hu",
+				&t.pixelclock,
+				&t.x_res, &t.hfp, &t.hbp, &t.hsw,
+				&t.y_res, &t.vfp, &t.vbp, &t.vsw) != 9)
+		return -EINVAL;
+
+	r = dssdev->driver->check_timings(dssdev, &t);
+	if (r)
+		return r;
+
+	dssdev->driver->disable(dssdev);
+	dssdev->driver->set_timings(dssdev, &t);
+	r = dssdev->driver->enable(dssdev);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t display_rotate_show(struct omap_dss_device *dssdev, char *buf)
+{
+	int rotate;
+	if (!dssdev->driver->get_rotate)
+		return -ENOENT;
+	rotate = dssdev->driver->get_rotate(dssdev);
+	return sysfs_emit(buf, "%u\n", rotate);
+}
+
+static ssize_t display_rotate_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
+{
+	int rot, r;
+
+	if (!dssdev->driver->set_rotate || !dssdev->driver->get_rotate)
+		return -ENOENT;
+
+	r = kstrtoint(buf, 0, &rot);
+	if (r)
+		return r;
+
+	r = dssdev->driver->set_rotate(dssdev, rot);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t display_mirror_show(struct omap_dss_device *dssdev, char *buf)
+{
+	int mirror;
+	if (!dssdev->driver->get_mirror)
+		return -ENOENT;
+	mirror = dssdev->driver->get_mirror(dssdev);
+	return sysfs_emit(buf, "%u\n", mirror);
+}
+
+static ssize_t display_mirror_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
+{
+	int r;
+	bool mirror;
+
+	if (!dssdev->driver->set_mirror || !dssdev->driver->get_mirror)
+		return -ENOENT;
+
+	r = strtobool(buf, &mirror);
+	if (r)
+		return r;
+
+	r = dssdev->driver->set_mirror(dssdev, mirror);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t display_wss_show(struct omap_dss_device *dssdev, char *buf)
+{
+	unsigned int wss;
+
+	if (!dssdev->driver->get_wss)
+		return -ENOENT;
+
+	wss = dssdev->driver->get_wss(dssdev);
+
+	return sysfs_emit(buf, "0x%05x\n", wss);
+}
+
+static ssize_t display_wss_store(struct omap_dss_device *dssdev,
+	const char *buf, size_t size)
+{
+	u32 wss;
+	int r;
+
+	if (!dssdev->driver->get_wss || !dssdev->driver->set_wss)
+		return -ENOENT;
+
+	r = kstrtou32(buf, 0, &wss);
+	if (r)
+		return r;
+
+	if (wss > 0xfffff)
+		return -EINVAL;
+
+	r = dssdev->driver->set_wss(dssdev, wss);
+	if (r)
+		return r;
+
+	return size;
+}
+
+struct display_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_dss_device *, char *);
+	ssize_t	(*store)(struct omap_dss_device *, const char *, size_t);
+};
+
+#define DISPLAY_ATTR(_name, _mode, _show, _store) \
+	struct display_attribute display_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static DISPLAY_ATTR(name, S_IRUGO, display_name_show, NULL);
+static DISPLAY_ATTR(display_name, S_IRUGO, display_name_show, NULL);
+static DISPLAY_ATTR(enabled, S_IRUGO|S_IWUSR,
+		display_enabled_show, display_enabled_store);
+static DISPLAY_ATTR(tear_elim, S_IRUGO|S_IWUSR,
+		display_tear_show, display_tear_store);
+static DISPLAY_ATTR(timings, S_IRUGO|S_IWUSR,
+		display_timings_show, display_timings_store);
+static DISPLAY_ATTR(rotate, S_IRUGO|S_IWUSR,
+		display_rotate_show, display_rotate_store);
+static DISPLAY_ATTR(mirror, S_IRUGO|S_IWUSR,
+		display_mirror_show, display_mirror_store);
+static DISPLAY_ATTR(wss, S_IRUGO|S_IWUSR,
+		display_wss_show, display_wss_store);
+
+static struct attribute *display_sysfs_attrs[] = {
+	&display_attr_name.attr,
+	&display_attr_display_name.attr,
+	&display_attr_enabled.attr,
+	&display_attr_tear_elim.attr,
+	&display_attr_timings.attr,
+	&display_attr_rotate.attr,
+	&display_attr_mirror.attr,
+	&display_attr_wss.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(display_sysfs);
+
+static ssize_t display_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_dss_device *dssdev;
+	struct display_attribute *display_attr;
+
+	dssdev = container_of(kobj, struct omap_dss_device, kobj);
+	display_attr = container_of(attr, struct display_attribute, attr);
+
+	if (!display_attr->show)
+		return -ENOENT;
+
+	return display_attr->show(dssdev, buf);
+}
+
+static ssize_t display_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_dss_device *dssdev;
+	struct display_attribute *display_attr;
+
+	dssdev = container_of(kobj, struct omap_dss_device, kobj);
+	display_attr = container_of(attr, struct display_attribute, attr);
+
+	if (!display_attr->store)
+		return -ENOENT;
+
+	return display_attr->store(dssdev, buf, size);
+}
+
+static const struct sysfs_ops display_sysfs_ops = {
+	.show = display_attr_show,
+	.store = display_attr_store,
+};
+
+static struct kobj_type display_ktype = {
+	.sysfs_ops = &display_sysfs_ops,
+	.default_groups = display_sysfs_groups,
+};
+
+int display_init_sysfs(struct platform_device *pdev)
+{
+	struct omap_dss_device *dssdev = NULL;
+	int r;
+
+	for_each_dss_dev(dssdev) {
+		r = kobject_init_and_add(&dssdev->kobj, &display_ktype,
+			&pdev->dev.kobj, "%s", dssdev->alias);
+		if (r) {
+			DSSERR("failed to create sysfs files\n");
+			omap_dss_put_device(dssdev);
+			goto err;
+		}
+	}
+
+	return 0;
+
+err:
+	display_uninit_sysfs(pdev);
+
+	return r;
+}
+
+void display_uninit_sysfs(struct platform_device *pdev)
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	for_each_dss_dev(dssdev) {
+		if (kobject_name(&dssdev->kobj) == NULL)
+			continue;
+
+		kobject_del(&dssdev->kobj);
+		kobject_put(&dssdev->kobj);
+
+		memset(&dssdev->kobj, 0, sizeof(dssdev->kobj));
+	}
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/display.c b/drivers/video/fbdev/omap2/omapfb/dss/display.c
new file mode 100644
index 000000000..f91db94c9
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/display.c
@@ -0,0 +1,327 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/display.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "DISPLAY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+
+#include <video/omapfb_dss.h>
+#include "dss.h"
+#include "dss_features.h"
+
+void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
+			u16 *xres, u16 *yres)
+{
+	*xres = dssdev->panel.timings.x_res;
+	*yres = dssdev->panel.timings.y_res;
+}
+EXPORT_SYMBOL(omapdss_default_get_resolution);
+
+int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev)
+{
+	switch (dssdev->type) {
+	case OMAP_DISPLAY_TYPE_DPI:
+		if (dssdev->phy.dpi.data_lines == 24)
+			return 24;
+		else
+			return 16;
+
+	case OMAP_DISPLAY_TYPE_DBI:
+		if (dssdev->ctrl.pixel_size == 24)
+			return 24;
+		else
+			return 16;
+	case OMAP_DISPLAY_TYPE_DSI:
+		if (dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) > 16)
+			return 24;
+		else
+			return 16;
+	case OMAP_DISPLAY_TYPE_VENC:
+	case OMAP_DISPLAY_TYPE_SDI:
+	case OMAP_DISPLAY_TYPE_HDMI:
+	case OMAP_DISPLAY_TYPE_DVI:
+		return 24;
+	default:
+		BUG();
+		return 0;
+	}
+}
+EXPORT_SYMBOL(omapdss_default_get_recommended_bpp);
+
+void omapdss_default_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+EXPORT_SYMBOL(omapdss_default_get_timings);
+
+int dss_suspend_all_devices(void)
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	for_each_dss_dev(dssdev) {
+		if (!dssdev->driver)
+			continue;
+
+		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+			dssdev->driver->disable(dssdev);
+			dssdev->activate_after_resume = true;
+		} else {
+			dssdev->activate_after_resume = false;
+		}
+	}
+
+	return 0;
+}
+
+int dss_resume_all_devices(void)
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	for_each_dss_dev(dssdev) {
+		if (!dssdev->driver)
+			continue;
+
+		if (dssdev->activate_after_resume) {
+			dssdev->driver->enable(dssdev);
+			dssdev->activate_after_resume = false;
+		}
+	}
+
+	return 0;
+}
+
+void dss_disable_all_devices(void)
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	for_each_dss_dev(dssdev) {
+		if (!dssdev->driver)
+			continue;
+
+		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+			dssdev->driver->disable(dssdev);
+	}
+}
+
+static LIST_HEAD(panel_list);
+static DEFINE_MUTEX(panel_list_mutex);
+static int disp_num_counter;
+
+int omapdss_register_display(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_driver *drv = dssdev->driver;
+	int id;
+
+	/*
+	 * Note: this presumes all the displays are either using DT or non-DT,
+	 * which normally should be the case. This also presumes that all
+	 * displays either have an DT alias, or none has.
+	 */
+
+	if (dssdev->dev->of_node) {
+		id = of_alias_get_id(dssdev->dev->of_node, "display");
+
+		if (id < 0)
+			id = disp_num_counter++;
+	} else {
+		id = disp_num_counter++;
+	}
+
+	snprintf(dssdev->alias, sizeof(dssdev->alias), "display%d", id);
+
+	/* Use 'label' property for name, if it exists */
+	if (dssdev->dev->of_node)
+		of_property_read_string(dssdev->dev->of_node, "label",
+			&dssdev->name);
+
+	if (dssdev->name == NULL)
+		dssdev->name = dssdev->alias;
+
+	if (drv && drv->get_resolution == NULL)
+		drv->get_resolution = omapdss_default_get_resolution;
+	if (drv && drv->get_recommended_bpp == NULL)
+		drv->get_recommended_bpp = omapdss_default_get_recommended_bpp;
+	if (drv && drv->get_timings == NULL)
+		drv->get_timings = omapdss_default_get_timings;
+
+	mutex_lock(&panel_list_mutex);
+	list_add_tail(&dssdev->panel_list, &panel_list);
+	mutex_unlock(&panel_list_mutex);
+	return 0;
+}
+EXPORT_SYMBOL(omapdss_register_display);
+
+void omapdss_unregister_display(struct omap_dss_device *dssdev)
+{
+	mutex_lock(&panel_list_mutex);
+	list_del(&dssdev->panel_list);
+	mutex_unlock(&panel_list_mutex);
+}
+EXPORT_SYMBOL(omapdss_unregister_display);
+
+struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev)
+{
+	if (!try_module_get(dssdev->owner))
+		return NULL;
+
+	if (get_device(dssdev->dev) == NULL) {
+		module_put(dssdev->owner);
+		return NULL;
+	}
+
+	return dssdev;
+}
+EXPORT_SYMBOL(omap_dss_get_device);
+
+void omap_dss_put_device(struct omap_dss_device *dssdev)
+{
+	put_device(dssdev->dev);
+	module_put(dssdev->owner);
+}
+EXPORT_SYMBOL(omap_dss_put_device);
+
+/*
+ * ref count of the found device is incremented.
+ * ref count of from-device is decremented.
+ */
+struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from)
+{
+	struct list_head *l;
+	struct omap_dss_device *dssdev;
+
+	mutex_lock(&panel_list_mutex);
+
+	if (list_empty(&panel_list)) {
+		dssdev = NULL;
+		goto out;
+	}
+
+	if (from == NULL) {
+		dssdev = list_first_entry(&panel_list, struct omap_dss_device,
+				panel_list);
+		omap_dss_get_device(dssdev);
+		goto out;
+	}
+
+	omap_dss_put_device(from);
+
+	list_for_each(l, &panel_list) {
+		dssdev = list_entry(l, struct omap_dss_device, panel_list);
+		if (dssdev == from) {
+			if (list_is_last(l, &panel_list)) {
+				dssdev = NULL;
+				goto out;
+			}
+
+			dssdev = list_entry(l->next, struct omap_dss_device,
+					panel_list);
+			omap_dss_get_device(dssdev);
+			goto out;
+		}
+	}
+
+	WARN(1, "'from' dssdev not found\n");
+
+	dssdev = NULL;
+out:
+	mutex_unlock(&panel_list_mutex);
+	return dssdev;
+}
+EXPORT_SYMBOL(omap_dss_get_next_device);
+
+struct omap_dss_device *omap_dss_find_device(void *data,
+		int (*match)(struct omap_dss_device *dssdev, void *data))
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	while ((dssdev = omap_dss_get_next_device(dssdev)) != NULL) {
+		if (match(dssdev, data))
+			return dssdev;
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(omap_dss_find_device);
+
+void videomode_to_omap_video_timings(const struct videomode *vm,
+		struct omap_video_timings *ovt)
+{
+	memset(ovt, 0, sizeof(*ovt));
+
+	ovt->pixelclock = vm->pixelclock;
+	ovt->x_res = vm->hactive;
+	ovt->hbp = vm->hback_porch;
+	ovt->hfp = vm->hfront_porch;
+	ovt->hsw = vm->hsync_len;
+	ovt->y_res = vm->vactive;
+	ovt->vbp = vm->vback_porch;
+	ovt->vfp = vm->vfront_porch;
+	ovt->vsw = vm->vsync_len;
+
+	ovt->vsync_level = vm->flags & DISPLAY_FLAGS_VSYNC_HIGH ?
+		OMAPDSS_SIG_ACTIVE_HIGH :
+		OMAPDSS_SIG_ACTIVE_LOW;
+	ovt->hsync_level = vm->flags & DISPLAY_FLAGS_HSYNC_HIGH ?
+		OMAPDSS_SIG_ACTIVE_HIGH :
+		OMAPDSS_SIG_ACTIVE_LOW;
+	ovt->de_level = vm->flags & DISPLAY_FLAGS_DE_HIGH ?
+		OMAPDSS_SIG_ACTIVE_HIGH :
+		OMAPDSS_SIG_ACTIVE_LOW;
+	ovt->data_pclk_edge = vm->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE ?
+		OMAPDSS_DRIVE_SIG_RISING_EDGE :
+		OMAPDSS_DRIVE_SIG_FALLING_EDGE;
+
+	ovt->sync_pclk_edge = ovt->data_pclk_edge;
+}
+EXPORT_SYMBOL(videomode_to_omap_video_timings);
+
+void omap_video_timings_to_videomode(const struct omap_video_timings *ovt,
+		struct videomode *vm)
+{
+	memset(vm, 0, sizeof(*vm));
+
+	vm->pixelclock = ovt->pixelclock;
+
+	vm->hactive = ovt->x_res;
+	vm->hback_porch = ovt->hbp;
+	vm->hfront_porch = ovt->hfp;
+	vm->hsync_len = ovt->hsw;
+	vm->vactive = ovt->y_res;
+	vm->vback_porch = ovt->vbp;
+	vm->vfront_porch = ovt->vfp;
+	vm->vsync_len = ovt->vsw;
+
+	if (ovt->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH)
+		vm->flags |= DISPLAY_FLAGS_HSYNC_HIGH;
+	else
+		vm->flags |= DISPLAY_FLAGS_HSYNC_LOW;
+
+	if (ovt->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH)
+		vm->flags |= DISPLAY_FLAGS_VSYNC_HIGH;
+	else
+		vm->flags |= DISPLAY_FLAGS_VSYNC_LOW;
+
+	if (ovt->de_level == OMAPDSS_SIG_ACTIVE_HIGH)
+		vm->flags |= DISPLAY_FLAGS_DE_HIGH;
+	else
+		vm->flags |= DISPLAY_FLAGS_DE_LOW;
+
+	if (ovt->data_pclk_edge == OMAPDSS_DRIVE_SIG_RISING_EDGE)
+		vm->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE;
+	else
+		vm->flags |= DISPLAY_FLAGS_PIXDATA_NEGEDGE;
+}
+EXPORT_SYMBOL(omap_video_timings_to_videomode);
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dpi.c b/drivers/video/fbdev/omap2/omapfb/dss/dpi.c
new file mode 100644
index 000000000..99ce6e955
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dpi.c
@@ -0,0 +1,888 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/dpi.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "DPI"
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/string.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/component.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+#define HSDIV_DISPC	0
+
+struct dpi_data {
+	struct platform_device *pdev;
+
+	struct regulator *vdds_dsi_reg;
+	struct dss_pll *pll;
+
+	struct mutex lock;
+
+	struct omap_video_timings timings;
+	struct dss_lcd_mgr_config mgr_config;
+	int data_lines;
+
+	struct omap_dss_device output;
+
+	bool port_initialized;
+};
+
+static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev)
+{
+	return container_of(dssdev, struct dpi_data, output);
+}
+
+/* only used in non-DT mode */
+static struct dpi_data *dpi_get_data_from_pdev(struct platform_device *pdev)
+{
+	return platform_get_drvdata(pdev);
+}
+
+static struct dss_pll *dpi_get_pll(enum omap_channel channel)
+{
+	/*
+	 * XXX we can't currently use DSI PLL for DPI with OMAP3, as the DSI PLL
+	 * would also be used for DISPC fclk. Meaning, when the DPI output is
+	 * disabled, DISPC clock will be disabled, and TV out will stop.
+	 */
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP24xx:
+	case OMAPDSS_VER_OMAP34xx_ES1:
+	case OMAPDSS_VER_OMAP34xx_ES3:
+	case OMAPDSS_VER_OMAP3630:
+	case OMAPDSS_VER_AM35xx:
+	case OMAPDSS_VER_AM43xx:
+		return NULL;
+
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		switch (channel) {
+		case OMAP_DSS_CHANNEL_LCD:
+			return dss_pll_find("dsi0");
+		case OMAP_DSS_CHANNEL_LCD2:
+			return dss_pll_find("dsi1");
+		default:
+			return NULL;
+		}
+
+	case OMAPDSS_VER_OMAP5:
+		switch (channel) {
+		case OMAP_DSS_CHANNEL_LCD:
+			return dss_pll_find("dsi0");
+		case OMAP_DSS_CHANNEL_LCD3:
+			return dss_pll_find("dsi1");
+		default:
+			return NULL;
+		}
+
+	case OMAPDSS_VER_DRA7xx:
+		switch (channel) {
+		case OMAP_DSS_CHANNEL_LCD:
+		case OMAP_DSS_CHANNEL_LCD2:
+			return dss_pll_find("video0");
+		case OMAP_DSS_CHANNEL_LCD3:
+			return dss_pll_find("video1");
+		default:
+			return NULL;
+		}
+
+	default:
+		return NULL;
+	}
+}
+
+static enum omap_dss_clk_source dpi_get_alt_clk_src(enum omap_channel channel)
+{
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		return OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC;
+	case OMAP_DSS_CHANNEL_LCD2:
+		return OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC;
+	case OMAP_DSS_CHANNEL_LCD3:
+		return OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC;
+	default:
+		/* this shouldn't happen */
+		WARN_ON(1);
+		return OMAP_DSS_CLK_SRC_FCK;
+	}
+}
+
+struct dpi_clk_calc_ctx {
+	struct dss_pll *pll;
+
+	/* inputs */
+
+	unsigned long pck_min, pck_max;
+
+	/* outputs */
+
+	struct dss_pll_clock_info dsi_cinfo;
+	unsigned long fck;
+	struct dispc_clock_info dispc_cinfo;
+};
+
+static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
+		unsigned long pck, void *data)
+{
+	struct dpi_clk_calc_ctx *ctx = data;
+
+	/*
+	 * Odd dividers give us uneven duty cycle, causing problem when level
+	 * shifted. So skip all odd dividers when the pixel clock is on the
+	 * higher side.
+	 */
+	if (ctx->pck_min >= 100000000) {
+		if (lckd > 1 && lckd % 2 != 0)
+			return false;
+
+		if (pckd > 1 && pckd % 2 != 0)
+			return false;
+	}
+
+	ctx->dispc_cinfo.lck_div = lckd;
+	ctx->dispc_cinfo.pck_div = pckd;
+	ctx->dispc_cinfo.lck = lck;
+	ctx->dispc_cinfo.pck = pck;
+
+	return true;
+}
+
+
+static bool dpi_calc_hsdiv_cb(int m_dispc, unsigned long dispc,
+		void *data)
+{
+	struct dpi_clk_calc_ctx *ctx = data;
+
+	/*
+	 * Odd dividers give us uneven duty cycle, causing problem when level
+	 * shifted. So skip all odd dividers when the pixel clock is on the
+	 * higher side.
+	 */
+	if (m_dispc > 1 && m_dispc % 2 != 0 && ctx->pck_min >= 100000000)
+		return false;
+
+	ctx->dsi_cinfo.mX[HSDIV_DISPC] = m_dispc;
+	ctx->dsi_cinfo.clkout[HSDIV_DISPC] = dispc;
+
+	return dispc_div_calc(dispc, ctx->pck_min, ctx->pck_max,
+			dpi_calc_dispc_cb, ctx);
+}
+
+
+static bool dpi_calc_pll_cb(int n, int m, unsigned long fint,
+		unsigned long clkdco,
+		void *data)
+{
+	struct dpi_clk_calc_ctx *ctx = data;
+
+	ctx->dsi_cinfo.n = n;
+	ctx->dsi_cinfo.m = m;
+	ctx->dsi_cinfo.fint = fint;
+	ctx->dsi_cinfo.clkdco = clkdco;
+
+	return dss_pll_hsdiv_calc(ctx->pll, clkdco,
+		ctx->pck_min, dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+		dpi_calc_hsdiv_cb, ctx);
+}
+
+static bool dpi_calc_dss_cb(unsigned long fck, void *data)
+{
+	struct dpi_clk_calc_ctx *ctx = data;
+
+	ctx->fck = fck;
+
+	return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max,
+			dpi_calc_dispc_cb, ctx);
+}
+
+static bool dpi_dsi_clk_calc(struct dpi_data *dpi, unsigned long pck,
+		struct dpi_clk_calc_ctx *ctx)
+{
+	unsigned long clkin;
+	unsigned long pll_min, pll_max;
+
+	memset(ctx, 0, sizeof(*ctx));
+	ctx->pll = dpi->pll;
+	ctx->pck_min = pck - 1000;
+	ctx->pck_max = pck + 1000;
+
+	pll_min = 0;
+	pll_max = 0;
+
+	clkin = clk_get_rate(ctx->pll->clkin);
+
+	return dss_pll_calc(ctx->pll, clkin,
+			pll_min, pll_max,
+			dpi_calc_pll_cb, ctx);
+}
+
+static bool dpi_dss_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
+{
+	int i;
+
+	/*
+	 * DSS fck gives us very few possibilities, so finding a good pixel
+	 * clock may not be possible. We try multiple times to find the clock,
+	 * each time widening the pixel clock range we look for, up to
+	 * +/- ~15MHz.
+	 */
+
+	for (i = 0; i < 25; ++i) {
+		bool ok;
+
+		memset(ctx, 0, sizeof(*ctx));
+		if (pck > 1000 * i * i * i)
+			ctx->pck_min = max(pck - 1000 * i * i * i, 0lu);
+		else
+			ctx->pck_min = 0;
+		ctx->pck_max = pck + 1000 * i * i * i;
+
+		ok = dss_div_calc(pck, ctx->pck_min, dpi_calc_dss_cb, ctx);
+		if (ok)
+			return ok;
+	}
+
+	return false;
+}
+
+
+
+static int dpi_set_dsi_clk(struct dpi_data *dpi, enum omap_channel channel,
+		unsigned long pck_req, unsigned long *fck, int *lck_div,
+		int *pck_div)
+{
+	struct dpi_clk_calc_ctx ctx;
+	int r;
+	bool ok;
+
+	ok = dpi_dsi_clk_calc(dpi, pck_req, &ctx);
+	if (!ok)
+		return -EINVAL;
+
+	r = dss_pll_set_config(dpi->pll, &ctx.dsi_cinfo);
+	if (r)
+		return r;
+
+	dss_select_lcd_clk_source(channel,
+			dpi_get_alt_clk_src(channel));
+
+	dpi->mgr_config.clock_info = ctx.dispc_cinfo;
+
+	*fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];
+	*lck_div = ctx.dispc_cinfo.lck_div;
+	*pck_div = ctx.dispc_cinfo.pck_div;
+
+	return 0;
+}
+
+static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req,
+		unsigned long *fck, int *lck_div, int *pck_div)
+{
+	struct dpi_clk_calc_ctx ctx;
+	int r;
+	bool ok;
+
+	ok = dpi_dss_clk_calc(pck_req, &ctx);
+	if (!ok)
+		return -EINVAL;
+
+	r = dss_set_fck_rate(ctx.fck);
+	if (r)
+		return r;
+
+	dpi->mgr_config.clock_info = ctx.dispc_cinfo;
+
+	*fck = ctx.fck;
+	*lck_div = ctx.dispc_cinfo.lck_div;
+	*pck_div = ctx.dispc_cinfo.pck_div;
+
+	return 0;
+}
+
+static int dpi_set_mode(struct dpi_data *dpi)
+{
+	struct omap_dss_device *out = &dpi->output;
+	struct omap_overlay_manager *mgr = out->manager;
+	struct omap_video_timings *t = &dpi->timings;
+	int lck_div = 0, pck_div = 0;
+	unsigned long fck = 0;
+	unsigned long pck;
+	int r = 0;
+
+	if (dpi->pll)
+		r = dpi_set_dsi_clk(dpi, mgr->id, t->pixelclock, &fck,
+				&lck_div, &pck_div);
+	else
+		r = dpi_set_dispc_clk(dpi, t->pixelclock, &fck,
+				&lck_div, &pck_div);
+	if (r)
+		return r;
+
+	pck = fck / lck_div / pck_div;
+
+	if (pck != t->pixelclock) {
+		DSSWARN("Could not find exact pixel clock. Requested %d Hz, got %lu Hz\n",
+			t->pixelclock, pck);
+
+		t->pixelclock = pck;
+	}
+
+	dss_mgr_set_timings(mgr, t);
+
+	return 0;
+}
+
+static void dpi_config_lcd_manager(struct dpi_data *dpi)
+{
+	struct omap_dss_device *out = &dpi->output;
+	struct omap_overlay_manager *mgr = out->manager;
+
+	dpi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
+
+	dpi->mgr_config.stallmode = false;
+	dpi->mgr_config.fifohandcheck = false;
+
+	dpi->mgr_config.video_port_width = dpi->data_lines;
+
+	dpi->mgr_config.lcden_sig_polarity = 0;
+
+	dss_mgr_set_lcd_config(mgr, &dpi->mgr_config);
+}
+
+static int dpi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+	struct omap_dss_device *out = &dpi->output;
+	int r;
+
+	mutex_lock(&dpi->lock);
+
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) && !dpi->vdds_dsi_reg) {
+		DSSERR("no VDSS_DSI regulator\n");
+		r = -ENODEV;
+		goto err_no_reg;
+	}
+
+	if (out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
+		r = -ENODEV;
+		goto err_no_out_mgr;
+	}
+
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI)) {
+		r = regulator_enable(dpi->vdds_dsi_reg);
+		if (r)
+			goto err_reg_enable;
+	}
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err_get_dispc;
+
+	r = dss_dpi_select_source(out->port_num, out->manager->id);
+	if (r)
+		goto err_src_sel;
+
+	if (dpi->pll) {
+		r = dss_pll_enable(dpi->pll);
+		if (r)
+			goto err_dsi_pll_init;
+	}
+
+	r = dpi_set_mode(dpi);
+	if (r)
+		goto err_set_mode;
+
+	dpi_config_lcd_manager(dpi);
+
+	mdelay(2);
+
+	r = dss_mgr_enable(out->manager);
+	if (r)
+		goto err_mgr_enable;
+
+	mutex_unlock(&dpi->lock);
+
+	return 0;
+
+err_mgr_enable:
+err_set_mode:
+	if (dpi->pll)
+		dss_pll_disable(dpi->pll);
+err_dsi_pll_init:
+err_src_sel:
+	dispc_runtime_put();
+err_get_dispc:
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
+		regulator_disable(dpi->vdds_dsi_reg);
+err_reg_enable:
+err_no_out_mgr:
+err_no_reg:
+	mutex_unlock(&dpi->lock);
+	return r;
+}
+
+static void dpi_display_disable(struct omap_dss_device *dssdev)
+{
+	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+	struct omap_overlay_manager *mgr = dpi->output.manager;
+
+	mutex_lock(&dpi->lock);
+
+	dss_mgr_disable(mgr);
+
+	if (dpi->pll) {
+		dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
+		dss_pll_disable(dpi->pll);
+	}
+
+	dispc_runtime_put();
+
+	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
+		regulator_disable(dpi->vdds_dsi_reg);
+
+	mutex_unlock(&dpi->lock);
+}
+
+static void dpi_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+
+	DSSDBG("dpi_set_timings\n");
+
+	mutex_lock(&dpi->lock);
+
+	dpi->timings = *timings;
+
+	mutex_unlock(&dpi->lock);
+}
+
+static void dpi_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+
+	mutex_lock(&dpi->lock);
+
+	*timings = dpi->timings;
+
+	mutex_unlock(&dpi->lock);
+}
+
+static int dpi_check_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+	struct omap_overlay_manager *mgr = dpi->output.manager;
+	int lck_div, pck_div;
+	unsigned long fck;
+	unsigned long pck;
+	struct dpi_clk_calc_ctx ctx;
+	bool ok;
+
+	if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
+		return -EINVAL;
+
+	if (timings->pixelclock == 0)
+		return -EINVAL;
+
+	if (dpi->pll) {
+		ok = dpi_dsi_clk_calc(dpi, timings->pixelclock, &ctx);
+		if (!ok)
+			return -EINVAL;
+
+		fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];
+	} else {
+		ok = dpi_dss_clk_calc(timings->pixelclock, &ctx);
+		if (!ok)
+			return -EINVAL;
+
+		fck = ctx.fck;
+	}
+
+	lck_div = ctx.dispc_cinfo.lck_div;
+	pck_div = ctx.dispc_cinfo.pck_div;
+
+	pck = fck / lck_div / pck_div;
+
+	timings->pixelclock = pck;
+
+	return 0;
+}
+
+static void dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
+{
+	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+
+	mutex_lock(&dpi->lock);
+
+	dpi->data_lines = data_lines;
+
+	mutex_unlock(&dpi->lock);
+}
+
+static int dpi_verify_dsi_pll(struct dss_pll *pll)
+{
+	int r;
+
+	/* do initial setup with the PLL to see if it is operational */
+
+	r = dss_pll_enable(pll);
+	if (r)
+		return r;
+
+	dss_pll_disable(pll);
+
+	return 0;
+}
+
+static int dpi_init_regulator(struct dpi_data *dpi)
+{
+	struct regulator *vdds_dsi;
+
+	if (!dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
+		return 0;
+
+	if (dpi->vdds_dsi_reg)
+		return 0;
+
+	vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi");
+	if (IS_ERR(vdds_dsi)) {
+		if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER)
+			DSSERR("can't get VDDS_DSI regulator\n");
+		return PTR_ERR(vdds_dsi);
+	}
+
+	dpi->vdds_dsi_reg = vdds_dsi;
+
+	return 0;
+}
+
+static void dpi_init_pll(struct dpi_data *dpi)
+{
+	struct dss_pll *pll;
+
+	if (dpi->pll)
+		return;
+
+	pll = dpi_get_pll(dpi->output.dispc_channel);
+	if (!pll)
+		return;
+
+	/* On DRA7 we need to set a mux to use the PLL */
+	if (omapdss_get_version() == OMAPDSS_VER_DRA7xx)
+		dss_ctrl_pll_set_control_mux(pll->id, dpi->output.dispc_channel);
+
+	if (dpi_verify_dsi_pll(pll)) {
+		DSSWARN("DSI PLL not operational\n");
+		return;
+	}
+
+	dpi->pll = pll;
+}
+
+/*
+ * Return a hardcoded channel for the DPI output. This should work for
+ * current use cases, but this can be later expanded to either resolve
+ * the channel in some more dynamic manner, or get the channel as a user
+ * parameter.
+ */
+static enum omap_channel dpi_get_channel(int port_num)
+{
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP24xx:
+	case OMAPDSS_VER_OMAP34xx_ES1:
+	case OMAPDSS_VER_OMAP34xx_ES3:
+	case OMAPDSS_VER_OMAP3630:
+	case OMAPDSS_VER_AM35xx:
+	case OMAPDSS_VER_AM43xx:
+		return OMAP_DSS_CHANNEL_LCD;
+
+	case OMAPDSS_VER_DRA7xx:
+		switch (port_num) {
+		case 2:
+			return OMAP_DSS_CHANNEL_LCD3;
+		case 1:
+			return OMAP_DSS_CHANNEL_LCD2;
+		case 0:
+		default:
+			return OMAP_DSS_CHANNEL_LCD;
+		}
+
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		return OMAP_DSS_CHANNEL_LCD2;
+
+	case OMAPDSS_VER_OMAP5:
+		return OMAP_DSS_CHANNEL_LCD3;
+
+	default:
+		DSSWARN("unsupported DSS version\n");
+		return OMAP_DSS_CHANNEL_LCD;
+	}
+}
+
+static int dpi_connect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+	struct omap_overlay_manager *mgr;
+	int r;
+
+	r = dpi_init_regulator(dpi);
+	if (r)
+		return r;
+
+	dpi_init_pll(dpi);
+
+	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
+	if (!mgr)
+		return -ENODEV;
+
+	r = dss_mgr_connect(mgr, dssdev);
+	if (r)
+		return r;
+
+	r = omapdss_output_set_device(dssdev, dst);
+	if (r) {
+		DSSERR("failed to connect output to new device: %s\n",
+				dst->name);
+		dss_mgr_disconnect(mgr, dssdev);
+		return r;
+	}
+
+	return 0;
+}
+
+static void dpi_disconnect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	WARN_ON(dst != dssdev->dst);
+
+	if (dst != dssdev->dst)
+		return;
+
+	omapdss_output_unset_device(dssdev);
+
+	if (dssdev->manager)
+		dss_mgr_disconnect(dssdev->manager, dssdev);
+}
+
+static const struct omapdss_dpi_ops dpi_ops = {
+	.connect = dpi_connect,
+	.disconnect = dpi_disconnect,
+
+	.enable = dpi_display_enable,
+	.disable = dpi_display_disable,
+
+	.check_timings = dpi_check_timings,
+	.set_timings = dpi_set_timings,
+	.get_timings = dpi_get_timings,
+
+	.set_data_lines = dpi_set_data_lines,
+};
+
+static void dpi_init_output(struct platform_device *pdev)
+{
+	struct dpi_data *dpi = dpi_get_data_from_pdev(pdev);
+	struct omap_dss_device *out = &dpi->output;
+
+	out->dev = &pdev->dev;
+	out->id = OMAP_DSS_OUTPUT_DPI;
+	out->output_type = OMAP_DISPLAY_TYPE_DPI;
+	out->name = "dpi.0";
+	out->dispc_channel = dpi_get_channel(0);
+	out->ops.dpi = &dpi_ops;
+	out->owner = THIS_MODULE;
+
+	omapdss_register_output(out);
+}
+
+static void dpi_uninit_output(struct platform_device *pdev)
+{
+	struct dpi_data *dpi = dpi_get_data_from_pdev(pdev);
+	struct omap_dss_device *out = &dpi->output;
+
+	omapdss_unregister_output(out);
+}
+
+static void dpi_init_output_port(struct platform_device *pdev,
+	struct device_node *port)
+{
+	struct dpi_data *dpi = port->data;
+	struct omap_dss_device *out = &dpi->output;
+	int r;
+	u32 port_num;
+
+	r = of_property_read_u32(port, "reg", &port_num);
+	if (r)
+		port_num = 0;
+
+	switch (port_num) {
+	case 2:
+		out->name = "dpi.2";
+		break;
+	case 1:
+		out->name = "dpi.1";
+		break;
+	case 0:
+	default:
+		out->name = "dpi.0";
+		break;
+	}
+
+	out->dev = &pdev->dev;
+	out->id = OMAP_DSS_OUTPUT_DPI;
+	out->output_type = OMAP_DISPLAY_TYPE_DPI;
+	out->dispc_channel = dpi_get_channel(port_num);
+	out->port_num = port_num;
+	out->ops.dpi = &dpi_ops;
+	out->owner = THIS_MODULE;
+
+	omapdss_register_output(out);
+}
+
+static void dpi_uninit_output_port(struct device_node *port)
+{
+	struct dpi_data *dpi = port->data;
+	struct omap_dss_device *out = &dpi->output;
+
+	omapdss_unregister_output(out);
+}
+
+static int dpi_bind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct dpi_data *dpi;
+
+	dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL);
+	if (!dpi)
+		return -ENOMEM;
+
+	dpi->pdev = pdev;
+
+	platform_set_drvdata(pdev, dpi);
+
+	mutex_init(&dpi->lock);
+
+	dpi_init_output(pdev);
+
+	return 0;
+}
+
+static void dpi_unbind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	dpi_uninit_output(pdev);
+}
+
+static const struct component_ops dpi_component_ops = {
+	.bind	= dpi_bind,
+	.unbind	= dpi_unbind,
+};
+
+static int dpi_probe(struct platform_device *pdev)
+{
+	return component_add(&pdev->dev, &dpi_component_ops);
+}
+
+static int dpi_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &dpi_component_ops);
+	return 0;
+}
+
+static struct platform_driver omap_dpi_driver = {
+	.probe		= dpi_probe,
+	.remove		= dpi_remove,
+	.driver         = {
+		.name   = "omapdss_dpi",
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init dpi_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_dpi_driver);
+}
+
+void dpi_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omap_dpi_driver);
+}
+
+int dpi_init_port(struct platform_device *pdev, struct device_node *port)
+{
+	struct dpi_data *dpi;
+	struct device_node *ep;
+	u32 datalines;
+	int r;
+
+	dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL);
+	if (!dpi)
+		return -ENOMEM;
+
+	ep = omapdss_of_get_next_endpoint(port, NULL);
+	if (!ep)
+		return 0;
+
+	r = of_property_read_u32(ep, "data-lines", &datalines);
+	if (r) {
+		DSSERR("failed to parse datalines\n");
+		goto err_datalines;
+	}
+
+	dpi->data_lines = datalines;
+
+	of_node_put(ep);
+
+	dpi->pdev = pdev;
+	port->data = dpi;
+
+	mutex_init(&dpi->lock);
+
+	dpi_init_output_port(pdev, port);
+
+	dpi->port_initialized = true;
+
+	return 0;
+
+err_datalines:
+	of_node_put(ep);
+
+	return r;
+}
+
+void dpi_uninit_port(struct device_node *port)
+{
+	struct dpi_data *dpi = port->data;
+
+	if (!dpi->port_initialized)
+		return;
+
+	dpi_uninit_output_port(port);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
new file mode 100644
index 000000000..7cddb7b8a
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
@@ -0,0 +1,5585 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/dsi.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ */
+
+#define DSS_SUBSYS_NAME "DSI"
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <linux/semaphore.h>
+#include <linux/seq_file.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/debugfs.h>
+#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/component.h>
+
+#include <video/omapfb_dss.h>
+#include <video/mipi_display.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+#define DSI_CATCH_MISSING_TE
+
+struct dsi_reg { u16 module; u16 idx; };
+
+#define DSI_REG(mod, idx)		((const struct dsi_reg) { mod, idx })
+
+/* DSI Protocol Engine */
+
+#define DSI_PROTO			0
+#define DSI_PROTO_SZ			0x200
+
+#define DSI_REVISION			DSI_REG(DSI_PROTO, 0x0000)
+#define DSI_SYSCONFIG			DSI_REG(DSI_PROTO, 0x0010)
+#define DSI_SYSSTATUS			DSI_REG(DSI_PROTO, 0x0014)
+#define DSI_IRQSTATUS			DSI_REG(DSI_PROTO, 0x0018)
+#define DSI_IRQENABLE			DSI_REG(DSI_PROTO, 0x001C)
+#define DSI_CTRL			DSI_REG(DSI_PROTO, 0x0040)
+#define DSI_GNQ				DSI_REG(DSI_PROTO, 0x0044)
+#define DSI_COMPLEXIO_CFG1		DSI_REG(DSI_PROTO, 0x0048)
+#define DSI_COMPLEXIO_IRQ_STATUS	DSI_REG(DSI_PROTO, 0x004C)
+#define DSI_COMPLEXIO_IRQ_ENABLE	DSI_REG(DSI_PROTO, 0x0050)
+#define DSI_CLK_CTRL			DSI_REG(DSI_PROTO, 0x0054)
+#define DSI_TIMING1			DSI_REG(DSI_PROTO, 0x0058)
+#define DSI_TIMING2			DSI_REG(DSI_PROTO, 0x005C)
+#define DSI_VM_TIMING1			DSI_REG(DSI_PROTO, 0x0060)
+#define DSI_VM_TIMING2			DSI_REG(DSI_PROTO, 0x0064)
+#define DSI_VM_TIMING3			DSI_REG(DSI_PROTO, 0x0068)
+#define DSI_CLK_TIMING			DSI_REG(DSI_PROTO, 0x006C)
+#define DSI_TX_FIFO_VC_SIZE		DSI_REG(DSI_PROTO, 0x0070)
+#define DSI_RX_FIFO_VC_SIZE		DSI_REG(DSI_PROTO, 0x0074)
+#define DSI_COMPLEXIO_CFG2		DSI_REG(DSI_PROTO, 0x0078)
+#define DSI_RX_FIFO_VC_FULLNESS		DSI_REG(DSI_PROTO, 0x007C)
+#define DSI_VM_TIMING4			DSI_REG(DSI_PROTO, 0x0080)
+#define DSI_TX_FIFO_VC_EMPTINESS	DSI_REG(DSI_PROTO, 0x0084)
+#define DSI_VM_TIMING5			DSI_REG(DSI_PROTO, 0x0088)
+#define DSI_VM_TIMING6			DSI_REG(DSI_PROTO, 0x008C)
+#define DSI_VM_TIMING7			DSI_REG(DSI_PROTO, 0x0090)
+#define DSI_STOPCLK_TIMING		DSI_REG(DSI_PROTO, 0x0094)
+#define DSI_VC_CTRL(n)			DSI_REG(DSI_PROTO, 0x0100 + (n * 0x20))
+#define DSI_VC_TE(n)			DSI_REG(DSI_PROTO, 0x0104 + (n * 0x20))
+#define DSI_VC_LONG_PACKET_HEADER(n)	DSI_REG(DSI_PROTO, 0x0108 + (n * 0x20))
+#define DSI_VC_LONG_PACKET_PAYLOAD(n)	DSI_REG(DSI_PROTO, 0x010C + (n * 0x20))
+#define DSI_VC_SHORT_PACKET_HEADER(n)	DSI_REG(DSI_PROTO, 0x0110 + (n * 0x20))
+#define DSI_VC_IRQSTATUS(n)		DSI_REG(DSI_PROTO, 0x0118 + (n * 0x20))
+#define DSI_VC_IRQENABLE(n)		DSI_REG(DSI_PROTO, 0x011C + (n * 0x20))
+
+/* DSIPHY_SCP */
+
+#define DSI_PHY				1
+#define DSI_PHY_OFFSET			0x200
+#define DSI_PHY_SZ			0x40
+
+#define DSI_DSIPHY_CFG0			DSI_REG(DSI_PHY, 0x0000)
+#define DSI_DSIPHY_CFG1			DSI_REG(DSI_PHY, 0x0004)
+#define DSI_DSIPHY_CFG2			DSI_REG(DSI_PHY, 0x0008)
+#define DSI_DSIPHY_CFG5			DSI_REG(DSI_PHY, 0x0014)
+#define DSI_DSIPHY_CFG10		DSI_REG(DSI_PHY, 0x0028)
+
+/* DSI_PLL_CTRL_SCP */
+
+#define DSI_PLL				2
+#define DSI_PLL_OFFSET			0x300
+#define DSI_PLL_SZ			0x20
+
+#define DSI_PLL_CONTROL			DSI_REG(DSI_PLL, 0x0000)
+#define DSI_PLL_STATUS			DSI_REG(DSI_PLL, 0x0004)
+#define DSI_PLL_GO			DSI_REG(DSI_PLL, 0x0008)
+#define DSI_PLL_CONFIGURATION1		DSI_REG(DSI_PLL, 0x000C)
+#define DSI_PLL_CONFIGURATION2		DSI_REG(DSI_PLL, 0x0010)
+
+#define REG_GET(dsidev, idx, start, end) \
+	FLD_GET(dsi_read_reg(dsidev, idx), start, end)
+
+#define REG_FLD_MOD(dsidev, idx, val, start, end) \
+	dsi_write_reg(dsidev, idx, FLD_MOD(dsi_read_reg(dsidev, idx), val, start, end))
+
+/* Global interrupts */
+#define DSI_IRQ_VC0		(1 << 0)
+#define DSI_IRQ_VC1		(1 << 1)
+#define DSI_IRQ_VC2		(1 << 2)
+#define DSI_IRQ_VC3		(1 << 3)
+#define DSI_IRQ_WAKEUP		(1 << 4)
+#define DSI_IRQ_RESYNC		(1 << 5)
+#define DSI_IRQ_PLL_LOCK	(1 << 7)
+#define DSI_IRQ_PLL_UNLOCK	(1 << 8)
+#define DSI_IRQ_PLL_RECALL	(1 << 9)
+#define DSI_IRQ_COMPLEXIO_ERR	(1 << 10)
+#define DSI_IRQ_HS_TX_TIMEOUT	(1 << 14)
+#define DSI_IRQ_LP_RX_TIMEOUT	(1 << 15)
+#define DSI_IRQ_TE_TRIGGER	(1 << 16)
+#define DSI_IRQ_ACK_TRIGGER	(1 << 17)
+#define DSI_IRQ_SYNC_LOST	(1 << 18)
+#define DSI_IRQ_LDO_POWER_GOOD	(1 << 19)
+#define DSI_IRQ_TA_TIMEOUT	(1 << 20)
+#define DSI_IRQ_ERROR_MASK \
+	(DSI_IRQ_HS_TX_TIMEOUT | DSI_IRQ_LP_RX_TIMEOUT | DSI_IRQ_SYNC_LOST | \
+	DSI_IRQ_TA_TIMEOUT)
+#define DSI_IRQ_CHANNEL_MASK	0xf
+
+/* Virtual channel interrupts */
+#define DSI_VC_IRQ_CS		(1 << 0)
+#define DSI_VC_IRQ_ECC_CORR	(1 << 1)
+#define DSI_VC_IRQ_PACKET_SENT	(1 << 2)
+#define DSI_VC_IRQ_FIFO_TX_OVF	(1 << 3)
+#define DSI_VC_IRQ_FIFO_RX_OVF	(1 << 4)
+#define DSI_VC_IRQ_BTA		(1 << 5)
+#define DSI_VC_IRQ_ECC_NO_CORR	(1 << 6)
+#define DSI_VC_IRQ_FIFO_TX_UDF	(1 << 7)
+#define DSI_VC_IRQ_PP_BUSY_CHANGE (1 << 8)
+#define DSI_VC_IRQ_ERROR_MASK \
+	(DSI_VC_IRQ_CS | DSI_VC_IRQ_ECC_CORR | DSI_VC_IRQ_FIFO_TX_OVF | \
+	DSI_VC_IRQ_FIFO_RX_OVF | DSI_VC_IRQ_ECC_NO_CORR | \
+	DSI_VC_IRQ_FIFO_TX_UDF)
+
+/* ComplexIO interrupts */
+#define DSI_CIO_IRQ_ERRSYNCESC1		(1 << 0)
+#define DSI_CIO_IRQ_ERRSYNCESC2		(1 << 1)
+#define DSI_CIO_IRQ_ERRSYNCESC3		(1 << 2)
+#define DSI_CIO_IRQ_ERRSYNCESC4		(1 << 3)
+#define DSI_CIO_IRQ_ERRSYNCESC5		(1 << 4)
+#define DSI_CIO_IRQ_ERRESC1		(1 << 5)
+#define DSI_CIO_IRQ_ERRESC2		(1 << 6)
+#define DSI_CIO_IRQ_ERRESC3		(1 << 7)
+#define DSI_CIO_IRQ_ERRESC4		(1 << 8)
+#define DSI_CIO_IRQ_ERRESC5		(1 << 9)
+#define DSI_CIO_IRQ_ERRCONTROL1		(1 << 10)
+#define DSI_CIO_IRQ_ERRCONTROL2		(1 << 11)
+#define DSI_CIO_IRQ_ERRCONTROL3		(1 << 12)
+#define DSI_CIO_IRQ_ERRCONTROL4		(1 << 13)
+#define DSI_CIO_IRQ_ERRCONTROL5		(1 << 14)
+#define DSI_CIO_IRQ_STATEULPS1		(1 << 15)
+#define DSI_CIO_IRQ_STATEULPS2		(1 << 16)
+#define DSI_CIO_IRQ_STATEULPS3		(1 << 17)
+#define DSI_CIO_IRQ_STATEULPS4		(1 << 18)
+#define DSI_CIO_IRQ_STATEULPS5		(1 << 19)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_1	(1 << 20)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_1	(1 << 21)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_2	(1 << 22)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_2	(1 << 23)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_3	(1 << 24)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_3	(1 << 25)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_4	(1 << 26)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_4	(1 << 27)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP0_5	(1 << 28)
+#define DSI_CIO_IRQ_ERRCONTENTIONLP1_5	(1 << 29)
+#define DSI_CIO_IRQ_ULPSACTIVENOT_ALL0	(1 << 30)
+#define DSI_CIO_IRQ_ULPSACTIVENOT_ALL1	(1 << 31)
+#define DSI_CIO_IRQ_ERROR_MASK \
+	(DSI_CIO_IRQ_ERRSYNCESC1 | DSI_CIO_IRQ_ERRSYNCESC2 | \
+	 DSI_CIO_IRQ_ERRSYNCESC3 | DSI_CIO_IRQ_ERRSYNCESC4 | \
+	 DSI_CIO_IRQ_ERRSYNCESC5 | \
+	 DSI_CIO_IRQ_ERRESC1 | DSI_CIO_IRQ_ERRESC2 | \
+	 DSI_CIO_IRQ_ERRESC3 | DSI_CIO_IRQ_ERRESC4 | \
+	 DSI_CIO_IRQ_ERRESC5 | \
+	 DSI_CIO_IRQ_ERRCONTROL1 | DSI_CIO_IRQ_ERRCONTROL2 | \
+	 DSI_CIO_IRQ_ERRCONTROL3 | DSI_CIO_IRQ_ERRCONTROL4 | \
+	 DSI_CIO_IRQ_ERRCONTROL5 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_1 | DSI_CIO_IRQ_ERRCONTENTIONLP1_1 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_2 | DSI_CIO_IRQ_ERRCONTENTIONLP1_2 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_3 | DSI_CIO_IRQ_ERRCONTENTIONLP1_3 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_4 | DSI_CIO_IRQ_ERRCONTENTIONLP1_4 | \
+	 DSI_CIO_IRQ_ERRCONTENTIONLP0_5 | DSI_CIO_IRQ_ERRCONTENTIONLP1_5)
+
+typedef void (*omap_dsi_isr_t) (void *arg, u32 mask);
+
+static int dsi_display_init_dispc(struct platform_device *dsidev,
+	struct omap_overlay_manager *mgr);
+static void dsi_display_uninit_dispc(struct platform_device *dsidev,
+	struct omap_overlay_manager *mgr);
+
+static int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
+
+/* DSI PLL HSDIV indices */
+#define HSDIV_DISPC	0
+#define HSDIV_DSI	1
+
+#define DSI_MAX_NR_ISRS                2
+#define DSI_MAX_NR_LANES	5
+
+enum dsi_lane_function {
+	DSI_LANE_UNUSED	= 0,
+	DSI_LANE_CLK,
+	DSI_LANE_DATA1,
+	DSI_LANE_DATA2,
+	DSI_LANE_DATA3,
+	DSI_LANE_DATA4,
+};
+
+struct dsi_lane_config {
+	enum dsi_lane_function function;
+	u8 polarity;
+};
+
+struct dsi_isr_data {
+	omap_dsi_isr_t	isr;
+	void		*arg;
+	u32		mask;
+};
+
+enum fifo_size {
+	DSI_FIFO_SIZE_0		= 0,
+	DSI_FIFO_SIZE_32	= 1,
+	DSI_FIFO_SIZE_64	= 2,
+	DSI_FIFO_SIZE_96	= 3,
+	DSI_FIFO_SIZE_128	= 4,
+};
+
+enum dsi_vc_source {
+	DSI_VC_SOURCE_L4 = 0,
+	DSI_VC_SOURCE_VP,
+};
+
+struct dsi_irq_stats {
+	unsigned long last_reset;
+	unsigned irq_count;
+	unsigned dsi_irqs[32];
+	unsigned vc_irqs[4][32];
+	unsigned cio_irqs[32];
+};
+
+struct dsi_isr_tables {
+	struct dsi_isr_data isr_table[DSI_MAX_NR_ISRS];
+	struct dsi_isr_data isr_table_vc[4][DSI_MAX_NR_ISRS];
+	struct dsi_isr_data isr_table_cio[DSI_MAX_NR_ISRS];
+};
+
+struct dsi_clk_calc_ctx {
+	struct platform_device *dsidev;
+	struct dss_pll *pll;
+
+	/* inputs */
+
+	const struct omap_dss_dsi_config *config;
+
+	unsigned long req_pck_min, req_pck_nom, req_pck_max;
+
+	/* outputs */
+
+	struct dss_pll_clock_info dsi_cinfo;
+	struct dispc_clock_info dispc_cinfo;
+
+	struct omap_video_timings dispc_vm;
+	struct omap_dss_dsi_videomode_timings dsi_vm;
+};
+
+struct dsi_lp_clock_info {
+	unsigned long lp_clk;
+	u16 lp_clk_div;
+};
+
+struct dsi_data {
+	struct platform_device *pdev;
+	void __iomem *proto_base;
+	void __iomem *phy_base;
+	void __iomem *pll_base;
+
+	int module_id;
+
+	int irq;
+
+	bool is_enabled;
+
+	struct clk *dss_clk;
+
+	struct dispc_clock_info user_dispc_cinfo;
+	struct dss_pll_clock_info user_dsi_cinfo;
+
+	struct dsi_lp_clock_info user_lp_cinfo;
+	struct dsi_lp_clock_info current_lp_cinfo;
+
+	struct dss_pll pll;
+
+	bool vdds_dsi_enabled;
+	struct regulator *vdds_dsi_reg;
+
+	struct {
+		enum dsi_vc_source source;
+		struct omap_dss_device *dssdev;
+		enum fifo_size tx_fifo_size;
+		enum fifo_size rx_fifo_size;
+		int vc_id;
+	} vc[4];
+
+	struct mutex lock;
+	struct semaphore bus_lock;
+
+	spinlock_t irq_lock;
+	struct dsi_isr_tables isr_tables;
+	/* space for a copy used by the interrupt handler */
+	struct dsi_isr_tables isr_tables_copy;
+
+	int update_channel;
+#ifdef DSI_PERF_MEASURE
+	unsigned update_bytes;
+#endif
+
+	bool te_enabled;
+	bool ulps_enabled;
+
+	void (*framedone_callback)(int, void *);
+	void *framedone_data;
+
+	struct delayed_work framedone_timeout_work;
+
+#ifdef DSI_CATCH_MISSING_TE
+	struct timer_list te_timer;
+#endif
+
+	unsigned long cache_req_pck;
+	unsigned long cache_clk_freq;
+	struct dss_pll_clock_info cache_cinfo;
+
+	u32		errors;
+	spinlock_t	errors_lock;
+#ifdef DSI_PERF_MEASURE
+	ktime_t perf_setup_time;
+	ktime_t perf_start_time;
+#endif
+	int debug_read;
+	int debug_write;
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+	spinlock_t irq_stats_lock;
+	struct dsi_irq_stats irq_stats;
+#endif
+
+	unsigned num_lanes_supported;
+	unsigned line_buffer_size;
+
+	struct dsi_lane_config lanes[DSI_MAX_NR_LANES];
+	unsigned num_lanes_used;
+
+	unsigned scp_clk_refcount;
+
+	struct dss_lcd_mgr_config mgr_config;
+	struct omap_video_timings timings;
+	enum omap_dss_dsi_pixel_format pix_fmt;
+	enum omap_dss_dsi_mode mode;
+	struct omap_dss_dsi_videomode_timings vm_timings;
+
+	struct omap_dss_device output;
+};
+
+struct dsi_packet_sent_handler_data {
+	struct platform_device *dsidev;
+	struct completion *completion;
+};
+
+struct dsi_module_id_data {
+	u32 address;
+	int id;
+};
+
+static const struct of_device_id dsi_of_match[];
+
+#ifdef DSI_PERF_MEASURE
+static bool dsi_perf;
+module_param(dsi_perf, bool, 0644);
+#endif
+
+static inline struct dsi_data *dsi_get_dsidrv_data(struct platform_device *dsidev)
+{
+	return platform_get_drvdata(dsidev);
+}
+
+static inline struct platform_device *dsi_get_dsidev_from_dssdev(struct omap_dss_device *dssdev)
+{
+	return to_platform_device(dssdev->dev);
+}
+
+static struct platform_device *dsi_get_dsidev_from_id(int module)
+{
+	struct omap_dss_device *out;
+	enum omap_dss_output_id	id;
+
+	switch (module) {
+	case 0:
+		id = OMAP_DSS_OUTPUT_DSI1;
+		break;
+	case 1:
+		id = OMAP_DSS_OUTPUT_DSI2;
+		break;
+	default:
+		return NULL;
+	}
+
+	out = omap_dss_get_output(id);
+
+	return out ? to_platform_device(out->dev) : NULL;
+}
+
+static inline void dsi_write_reg(struct platform_device *dsidev,
+		const struct dsi_reg idx, u32 val)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	void __iomem *base;
+
+	switch(idx.module) {
+		case DSI_PROTO: base = dsi->proto_base; break;
+		case DSI_PHY: base = dsi->phy_base; break;
+		case DSI_PLL: base = dsi->pll_base; break;
+		default: return;
+	}
+
+	__raw_writel(val, base + idx.idx);
+}
+
+static inline u32 dsi_read_reg(struct platform_device *dsidev,
+		const struct dsi_reg idx)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	void __iomem *base;
+
+	switch(idx.module) {
+		case DSI_PROTO: base = dsi->proto_base; break;
+		case DSI_PHY: base = dsi->phy_base; break;
+		case DSI_PLL: base = dsi->pll_base; break;
+		default: return 0;
+	}
+
+	return __raw_readl(base + idx.idx);
+}
+
+static void dsi_bus_lock(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	down(&dsi->bus_lock);
+}
+
+static void dsi_bus_unlock(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	up(&dsi->bus_lock);
+}
+
+static bool dsi_bus_is_locked(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->bus_lock.count == 0;
+}
+
+static void dsi_completion_handler(void *data, u32 mask)
+{
+	complete((struct completion *)data);
+}
+
+static inline int wait_for_bit_change(struct platform_device *dsidev,
+		const struct dsi_reg idx, int bitnum, int value)
+{
+	unsigned long timeout;
+	ktime_t wait;
+	int t;
+
+	/* first busyloop to see if the bit changes right away */
+	t = 100;
+	while (t-- > 0) {
+		if (REG_GET(dsidev, idx, bitnum, bitnum) == value)
+			return value;
+	}
+
+	/* then loop for 500ms, sleeping for 1ms in between */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (time_before(jiffies, timeout)) {
+		if (REG_GET(dsidev, idx, bitnum, bitnum) == value)
+			return value;
+
+		wait = ns_to_ktime(1000 * 1000);
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_hrtimeout(&wait, HRTIMER_MODE_REL);
+	}
+
+	return !value;
+}
+
+u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt)
+{
+	switch (fmt) {
+	case OMAP_DSS_DSI_FMT_RGB888:
+	case OMAP_DSS_DSI_FMT_RGB666:
+		return 24;
+	case OMAP_DSS_DSI_FMT_RGB666_PACKED:
+		return 18;
+	case OMAP_DSS_DSI_FMT_RGB565:
+		return 16;
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+#ifdef DSI_PERF_MEASURE
+static void dsi_perf_mark_setup(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	dsi->perf_setup_time = ktime_get();
+}
+
+static void dsi_perf_mark_start(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	dsi->perf_start_time = ktime_get();
+}
+
+static void dsi_perf_show(struct platform_device *dsidev, const char *name)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	ktime_t t, setup_time, trans_time;
+	u32 total_bytes;
+	u32 setup_us, trans_us, total_us;
+
+	if (!dsi_perf)
+		return;
+
+	t = ktime_get();
+
+	setup_time = ktime_sub(dsi->perf_start_time, dsi->perf_setup_time);
+	setup_us = (u32)ktime_to_us(setup_time);
+	if (setup_us == 0)
+		setup_us = 1;
+
+	trans_time = ktime_sub(t, dsi->perf_start_time);
+	trans_us = (u32)ktime_to_us(trans_time);
+	if (trans_us == 0)
+		trans_us = 1;
+
+	total_us = setup_us + trans_us;
+
+	total_bytes = dsi->update_bytes;
+
+	printk(KERN_INFO "DSI(%s): %u us + %u us = %u us (%uHz), "
+			"%u bytes, %u kbytes/sec\n",
+			name,
+			setup_us,
+			trans_us,
+			total_us,
+			1000*1000 / total_us,
+			total_bytes,
+			total_bytes * 1000 / total_us);
+}
+#else
+static inline void dsi_perf_mark_setup(struct platform_device *dsidev)
+{
+}
+
+static inline void dsi_perf_mark_start(struct platform_device *dsidev)
+{
+}
+
+static inline void dsi_perf_show(struct platform_device *dsidev,
+		const char *name)
+{
+}
+#endif
+
+static int verbose_irq;
+
+static void print_irq_status(u32 status)
+{
+	if (status == 0)
+		return;
+
+	if (!verbose_irq && (status & ~DSI_IRQ_CHANNEL_MASK) == 0)
+		return;
+
+#define PIS(x) (status & DSI_IRQ_##x) ? (#x " ") : ""
+
+	pr_debug("DSI IRQ: 0x%x: %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+		status,
+		verbose_irq ? PIS(VC0) : "",
+		verbose_irq ? PIS(VC1) : "",
+		verbose_irq ? PIS(VC2) : "",
+		verbose_irq ? PIS(VC3) : "",
+		PIS(WAKEUP),
+		PIS(RESYNC),
+		PIS(PLL_LOCK),
+		PIS(PLL_UNLOCK),
+		PIS(PLL_RECALL),
+		PIS(COMPLEXIO_ERR),
+		PIS(HS_TX_TIMEOUT),
+		PIS(LP_RX_TIMEOUT),
+		PIS(TE_TRIGGER),
+		PIS(ACK_TRIGGER),
+		PIS(SYNC_LOST),
+		PIS(LDO_POWER_GOOD),
+		PIS(TA_TIMEOUT));
+#undef PIS
+}
+
+static void print_irq_status_vc(int channel, u32 status)
+{
+	if (status == 0)
+		return;
+
+	if (!verbose_irq && (status & ~DSI_VC_IRQ_PACKET_SENT) == 0)
+		return;
+
+#define PIS(x) (status & DSI_VC_IRQ_##x) ? (#x " ") : ""
+
+	pr_debug("DSI VC(%d) IRQ 0x%x: %s%s%s%s%s%s%s%s%s\n",
+		channel,
+		status,
+		PIS(CS),
+		PIS(ECC_CORR),
+		PIS(ECC_NO_CORR),
+		verbose_irq ? PIS(PACKET_SENT) : "",
+		PIS(BTA),
+		PIS(FIFO_TX_OVF),
+		PIS(FIFO_RX_OVF),
+		PIS(FIFO_TX_UDF),
+		PIS(PP_BUSY_CHANGE));
+#undef PIS
+}
+
+static void print_irq_status_cio(u32 status)
+{
+	if (status == 0)
+		return;
+
+#define PIS(x) (status & DSI_CIO_IRQ_##x) ? (#x " ") : ""
+
+	pr_debug("DSI CIO IRQ 0x%x: %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+		status,
+		PIS(ERRSYNCESC1),
+		PIS(ERRSYNCESC2),
+		PIS(ERRSYNCESC3),
+		PIS(ERRESC1),
+		PIS(ERRESC2),
+		PIS(ERRESC3),
+		PIS(ERRCONTROL1),
+		PIS(ERRCONTROL2),
+		PIS(ERRCONTROL3),
+		PIS(STATEULPS1),
+		PIS(STATEULPS2),
+		PIS(STATEULPS3),
+		PIS(ERRCONTENTIONLP0_1),
+		PIS(ERRCONTENTIONLP1_1),
+		PIS(ERRCONTENTIONLP0_2),
+		PIS(ERRCONTENTIONLP1_2),
+		PIS(ERRCONTENTIONLP0_3),
+		PIS(ERRCONTENTIONLP1_3),
+		PIS(ULPSACTIVENOT_ALL0),
+		PIS(ULPSACTIVENOT_ALL1));
+#undef PIS
+}
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+static void dsi_collect_irq_stats(struct platform_device *dsidev, u32 irqstatus,
+		u32 *vcstatus, u32 ciostatus)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+
+	spin_lock(&dsi->irq_stats_lock);
+
+	dsi->irq_stats.irq_count++;
+	dss_collect_irq_stats(irqstatus, dsi->irq_stats.dsi_irqs);
+
+	for (i = 0; i < 4; ++i)
+		dss_collect_irq_stats(vcstatus[i], dsi->irq_stats.vc_irqs[i]);
+
+	dss_collect_irq_stats(ciostatus, dsi->irq_stats.cio_irqs);
+
+	spin_unlock(&dsi->irq_stats_lock);
+}
+#else
+#define dsi_collect_irq_stats(dsidev, irqstatus, vcstatus, ciostatus)
+#endif
+
+static int debug_irq;
+
+static void dsi_handle_irq_errors(struct platform_device *dsidev, u32 irqstatus,
+		u32 *vcstatus, u32 ciostatus)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+
+	if (irqstatus & DSI_IRQ_ERROR_MASK) {
+		DSSERR("DSI error, irqstatus %x\n", irqstatus);
+		print_irq_status(irqstatus);
+		spin_lock(&dsi->errors_lock);
+		dsi->errors |= irqstatus & DSI_IRQ_ERROR_MASK;
+		spin_unlock(&dsi->errors_lock);
+	} else if (debug_irq) {
+		print_irq_status(irqstatus);
+	}
+
+	for (i = 0; i < 4; ++i) {
+		if (vcstatus[i] & DSI_VC_IRQ_ERROR_MASK) {
+			DSSERR("DSI VC(%d) error, vc irqstatus %x\n",
+				       i, vcstatus[i]);
+			print_irq_status_vc(i, vcstatus[i]);
+		} else if (debug_irq) {
+			print_irq_status_vc(i, vcstatus[i]);
+		}
+	}
+
+	if (ciostatus & DSI_CIO_IRQ_ERROR_MASK) {
+		DSSERR("DSI CIO error, cio irqstatus %x\n", ciostatus);
+		print_irq_status_cio(ciostatus);
+	} else if (debug_irq) {
+		print_irq_status_cio(ciostatus);
+	}
+}
+
+static void dsi_call_isrs(struct dsi_isr_data *isr_array,
+		unsigned isr_array_size, u32 irqstatus)
+{
+	struct dsi_isr_data *isr_data;
+	int i;
+
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+		if (isr_data->isr && isr_data->mask & irqstatus)
+			isr_data->isr(isr_data->arg, irqstatus);
+	}
+}
+
+static void dsi_handle_isrs(struct dsi_isr_tables *isr_tables,
+		u32 irqstatus, u32 *vcstatus, u32 ciostatus)
+{
+	int i;
+
+	dsi_call_isrs(isr_tables->isr_table,
+			ARRAY_SIZE(isr_tables->isr_table),
+			irqstatus);
+
+	for (i = 0; i < 4; ++i) {
+		if (vcstatus[i] == 0)
+			continue;
+		dsi_call_isrs(isr_tables->isr_table_vc[i],
+				ARRAY_SIZE(isr_tables->isr_table_vc[i]),
+				vcstatus[i]);
+	}
+
+	if (ciostatus != 0)
+		dsi_call_isrs(isr_tables->isr_table_cio,
+				ARRAY_SIZE(isr_tables->isr_table_cio),
+				ciostatus);
+}
+
+static irqreturn_t omap_dsi_irq_handler(int irq, void *arg)
+{
+	struct platform_device *dsidev;
+	struct dsi_data *dsi;
+	u32 irqstatus, vcstatus[4], ciostatus;
+	int i;
+
+	dsidev = (struct platform_device *) arg;
+	dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (!dsi->is_enabled)
+		return IRQ_NONE;
+
+	spin_lock(&dsi->irq_lock);
+
+	irqstatus = dsi_read_reg(dsidev, DSI_IRQSTATUS);
+
+	/* IRQ is not for us */
+	if (!irqstatus) {
+		spin_unlock(&dsi->irq_lock);
+		return IRQ_NONE;
+	}
+
+	dsi_write_reg(dsidev, DSI_IRQSTATUS, irqstatus & ~DSI_IRQ_CHANNEL_MASK);
+	/* flush posted write */
+	dsi_read_reg(dsidev, DSI_IRQSTATUS);
+
+	for (i = 0; i < 4; ++i) {
+		if ((irqstatus & (1 << i)) == 0) {
+			vcstatus[i] = 0;
+			continue;
+		}
+
+		vcstatus[i] = dsi_read_reg(dsidev, DSI_VC_IRQSTATUS(i));
+
+		dsi_write_reg(dsidev, DSI_VC_IRQSTATUS(i), vcstatus[i]);
+		/* flush posted write */
+		dsi_read_reg(dsidev, DSI_VC_IRQSTATUS(i));
+	}
+
+	if (irqstatus & DSI_IRQ_COMPLEXIO_ERR) {
+		ciostatus = dsi_read_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS);
+
+		dsi_write_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS, ciostatus);
+		/* flush posted write */
+		dsi_read_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS);
+	} else {
+		ciostatus = 0;
+	}
+
+#ifdef DSI_CATCH_MISSING_TE
+	if (irqstatus & DSI_IRQ_TE_TRIGGER)
+		del_timer(&dsi->te_timer);
+#endif
+
+	/* make a copy and unlock, so that isrs can unregister
+	 * themselves */
+	memcpy(&dsi->isr_tables_copy, &dsi->isr_tables,
+		sizeof(dsi->isr_tables));
+
+	spin_unlock(&dsi->irq_lock);
+
+	dsi_handle_isrs(&dsi->isr_tables_copy, irqstatus, vcstatus, ciostatus);
+
+	dsi_handle_irq_errors(dsidev, irqstatus, vcstatus, ciostatus);
+
+	dsi_collect_irq_stats(dsidev, irqstatus, vcstatus, ciostatus);
+
+	return IRQ_HANDLED;
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_configure_irqs(struct platform_device *dsidev,
+		struct dsi_isr_data *isr_array,
+		unsigned isr_array_size, u32 default_mask,
+		const struct dsi_reg enable_reg,
+		const struct dsi_reg status_reg)
+{
+	struct dsi_isr_data *isr_data;
+	u32 mask;
+	u32 old_mask;
+	int i;
+
+	mask = default_mask;
+
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+
+		if (isr_data->isr == NULL)
+			continue;
+
+		mask |= isr_data->mask;
+	}
+
+	old_mask = dsi_read_reg(dsidev, enable_reg);
+	/* clear the irqstatus for newly enabled irqs */
+	dsi_write_reg(dsidev, status_reg, (mask ^ old_mask) & mask);
+	dsi_write_reg(dsidev, enable_reg, mask);
+
+	/* flush posted writes */
+	dsi_read_reg(dsidev, enable_reg);
+	dsi_read_reg(dsidev, status_reg);
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_set_irqs(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 mask = DSI_IRQ_ERROR_MASK;
+#ifdef DSI_CATCH_MISSING_TE
+	mask |= DSI_IRQ_TE_TRIGGER;
+#endif
+	_omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table,
+			ARRAY_SIZE(dsi->isr_tables.isr_table), mask,
+			DSI_IRQENABLE, DSI_IRQSTATUS);
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_set_irqs_vc(struct platform_device *dsidev, int vc)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	_omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table_vc[vc],
+			ARRAY_SIZE(dsi->isr_tables.isr_table_vc[vc]),
+			DSI_VC_IRQ_ERROR_MASK,
+			DSI_VC_IRQENABLE(vc), DSI_VC_IRQSTATUS(vc));
+}
+
+/* dsi->irq_lock has to be locked by the caller */
+static void _omap_dsi_set_irqs_cio(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	_omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table_cio,
+			ARRAY_SIZE(dsi->isr_tables.isr_table_cio),
+			DSI_CIO_IRQ_ERROR_MASK,
+			DSI_COMPLEXIO_IRQ_ENABLE, DSI_COMPLEXIO_IRQ_STATUS);
+}
+
+static void _dsi_initialize_irq(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int vc;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	memset(&dsi->isr_tables, 0, sizeof(dsi->isr_tables));
+
+	_omap_dsi_set_irqs(dsidev);
+	for (vc = 0; vc < 4; ++vc)
+		_omap_dsi_set_irqs_vc(dsidev, vc);
+	_omap_dsi_set_irqs_cio(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+}
+
+static int _dsi_register_isr(omap_dsi_isr_t isr, void *arg, u32 mask,
+		struct dsi_isr_data *isr_array, unsigned isr_array_size)
+{
+	struct dsi_isr_data *isr_data;
+	int free_idx;
+	int i;
+
+	BUG_ON(isr == NULL);
+
+	/* check for duplicate entry and find a free slot */
+	free_idx = -1;
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+
+		if (isr_data->isr == isr && isr_data->arg == arg &&
+				isr_data->mask == mask) {
+			return -EINVAL;
+		}
+
+		if (isr_data->isr == NULL && free_idx == -1)
+			free_idx = i;
+	}
+
+	if (free_idx == -1)
+		return -EBUSY;
+
+	isr_data = &isr_array[free_idx];
+	isr_data->isr = isr;
+	isr_data->arg = arg;
+	isr_data->mask = mask;
+
+	return 0;
+}
+
+static int _dsi_unregister_isr(omap_dsi_isr_t isr, void *arg, u32 mask,
+		struct dsi_isr_data *isr_array, unsigned isr_array_size)
+{
+	struct dsi_isr_data *isr_data;
+	int i;
+
+	for (i = 0; i < isr_array_size; i++) {
+		isr_data = &isr_array[i];
+		if (isr_data->isr != isr || isr_data->arg != arg ||
+				isr_data->mask != mask)
+			continue;
+
+		isr_data->isr = NULL;
+		isr_data->arg = NULL;
+		isr_data->mask = 0;
+
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int dsi_register_isr(struct platform_device *dsidev, omap_dsi_isr_t isr,
+		void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_register_isr(isr, arg, mask, dsi->isr_tables.isr_table,
+			ARRAY_SIZE(dsi->isr_tables.isr_table));
+
+	if (r == 0)
+		_omap_dsi_set_irqs(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_unregister_isr(struct platform_device *dsidev,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_unregister_isr(isr, arg, mask, dsi->isr_tables.isr_table,
+			ARRAY_SIZE(dsi->isr_tables.isr_table));
+
+	if (r == 0)
+		_omap_dsi_set_irqs(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_register_isr_vc(struct platform_device *dsidev, int channel,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_register_isr(isr, arg, mask,
+			dsi->isr_tables.isr_table_vc[channel],
+			ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_vc(dsidev, channel);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_unregister_isr_vc(struct platform_device *dsidev, int channel,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_unregister_isr(isr, arg, mask,
+			dsi->isr_tables.isr_table_vc[channel],
+			ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_vc(dsidev, channel);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_register_isr_cio(struct platform_device *dsidev,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_register_isr(isr, arg, mask, dsi->isr_tables.isr_table_cio,
+			ARRAY_SIZE(dsi->isr_tables.isr_table_cio));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_cio(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static int dsi_unregister_isr_cio(struct platform_device *dsidev,
+		omap_dsi_isr_t isr, void *arg, u32 mask)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&dsi->irq_lock, flags);
+
+	r = _dsi_unregister_isr(isr, arg, mask, dsi->isr_tables.isr_table_cio,
+			ARRAY_SIZE(dsi->isr_tables.isr_table_cio));
+
+	if (r == 0)
+		_omap_dsi_set_irqs_cio(dsidev);
+
+	spin_unlock_irqrestore(&dsi->irq_lock, flags);
+
+	return r;
+}
+
+static u32 dsi_get_errors(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	u32 e;
+	spin_lock_irqsave(&dsi->errors_lock, flags);
+	e = dsi->errors;
+	dsi->errors = 0;
+	spin_unlock_irqrestore(&dsi->errors_lock, flags);
+	return e;
+}
+
+static int dsi_runtime_get(struct platform_device *dsidev)
+{
+	int r;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	DSSDBG("dsi_runtime_get\n");
+
+	r = pm_runtime_resume_and_get(&dsi->pdev->dev);
+	if (WARN_ON(r < 0))
+		return r;
+	return 0;
+}
+
+static void dsi_runtime_put(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+
+	DSSDBG("dsi_runtime_put\n");
+
+	r = pm_runtime_put_sync(&dsi->pdev->dev);
+	WARN_ON(r < 0 && r != -ENOSYS);
+}
+
+static int dsi_regulator_init(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct regulator *vdds_dsi;
+
+	if (dsi->vdds_dsi_reg != NULL)
+		return 0;
+
+	vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdd");
+
+	if (IS_ERR(vdds_dsi)) {
+		if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER)
+			DSSERR("can't get DSI VDD regulator\n");
+		return PTR_ERR(vdds_dsi);
+	}
+
+	dsi->vdds_dsi_reg = vdds_dsi;
+
+	return 0;
+}
+
+static void _dsi_print_reset_status(struct platform_device *dsidev)
+{
+	int b0, b1, b2;
+
+	/* A dummy read using the SCP interface to any DSIPHY register is
+	 * required after DSIPHY reset to complete the reset of the DSI complex
+	 * I/O. */
+	dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+
+	if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC)) {
+		b0 = 28;
+		b1 = 27;
+		b2 = 26;
+	} else {
+		b0 = 24;
+		b1 = 25;
+		b2 = 26;
+	}
+
+#define DSI_FLD_GET(fld, start, end)\
+	FLD_GET(dsi_read_reg(dsidev, DSI_##fld), start, end)
+
+	pr_debug("DSI resets: PLL (%d) CIO (%d) PHY (%x%x%x, %d, %d, %d)\n",
+		DSI_FLD_GET(PLL_STATUS, 0, 0),
+		DSI_FLD_GET(COMPLEXIO_CFG1, 29, 29),
+		DSI_FLD_GET(DSIPHY_CFG5, b0, b0),
+		DSI_FLD_GET(DSIPHY_CFG5, b1, b1),
+		DSI_FLD_GET(DSIPHY_CFG5, b2, b2),
+		DSI_FLD_GET(DSIPHY_CFG5, 29, 29),
+		DSI_FLD_GET(DSIPHY_CFG5, 30, 30),
+		DSI_FLD_GET(DSIPHY_CFG5, 31, 31));
+
+#undef DSI_FLD_GET
+}
+
+static inline int dsi_if_enable(struct platform_device *dsidev, bool enable)
+{
+	DSSDBG("dsi_if_enable(%d)\n", enable);
+
+	enable = enable ? 1 : 0;
+	REG_FLD_MOD(dsidev, DSI_CTRL, enable, 0, 0); /* IF_EN */
+
+	if (wait_for_bit_change(dsidev, DSI_CTRL, 0, enable) != enable) {
+			DSSERR("Failed to set dsi_if_enable to %d\n", enable);
+			return -EIO;
+	}
+
+	return 0;
+}
+
+static unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->pll.cinfo.clkout[HSDIV_DISPC];
+}
+
+static unsigned long dsi_get_pll_hsdiv_dsi_rate(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->pll.cinfo.clkout[HSDIV_DSI];
+}
+
+static unsigned long dsi_get_txbyteclkhs(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	return dsi->pll.cinfo.clkdco / 16;
+}
+
+static unsigned long dsi_fclk_rate(struct platform_device *dsidev)
+{
+	unsigned long r;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dss_get_dsi_clk_source(dsi->module_id) == OMAP_DSS_CLK_SRC_FCK) {
+		/* DSI FCLK source is DSS_CLK_FCK */
+		r = clk_get_rate(dsi->dss_clk);
+	} else {
+		/* DSI FCLK source is dsi_pll_hsdiv_dsi_clk */
+		r = dsi_get_pll_hsdiv_dsi_rate(dsidev);
+	}
+
+	return r;
+}
+
+static int dsi_lp_clock_calc(unsigned long dsi_fclk,
+		unsigned long lp_clk_min, unsigned long lp_clk_max,
+		struct dsi_lp_clock_info *lp_cinfo)
+{
+	unsigned lp_clk_div;
+	unsigned long lp_clk;
+
+	lp_clk_div = DIV_ROUND_UP(dsi_fclk, lp_clk_max * 2);
+	lp_clk = dsi_fclk / 2 / lp_clk_div;
+
+	if (lp_clk < lp_clk_min || lp_clk > lp_clk_max)
+		return -EINVAL;
+
+	lp_cinfo->lp_clk_div = lp_clk_div;
+	lp_cinfo->lp_clk = lp_clk;
+
+	return 0;
+}
+
+static int dsi_set_lp_clk_divisor(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long dsi_fclk;
+	unsigned lp_clk_div;
+	unsigned long lp_clk;
+	unsigned lpdiv_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_LPDIV);
+
+
+	lp_clk_div = dsi->user_lp_cinfo.lp_clk_div;
+
+	if (lp_clk_div == 0 || lp_clk_div > lpdiv_max)
+		return -EINVAL;
+
+	dsi_fclk = dsi_fclk_rate(dsidev);
+
+	lp_clk = dsi_fclk / 2 / lp_clk_div;
+
+	DSSDBG("LP_CLK_DIV %u, LP_CLK %lu\n", lp_clk_div, lp_clk);
+	dsi->current_lp_cinfo.lp_clk = lp_clk;
+	dsi->current_lp_cinfo.lp_clk_div = lp_clk_div;
+
+	/* LP_CLK_DIVISOR */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, lp_clk_div, 12, 0);
+
+	/* LP_RX_SYNCHRO_ENABLE */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, dsi_fclk > 30000000 ? 1 : 0, 21, 21);
+
+	return 0;
+}
+
+static void dsi_enable_scp_clk(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->scp_clk_refcount++ == 0)
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 14, 14); /* CIO_CLK_ICG */
+}
+
+static void dsi_disable_scp_clk(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	WARN_ON(dsi->scp_clk_refcount == 0);
+	if (--dsi->scp_clk_refcount == 0)
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 14, 14); /* CIO_CLK_ICG */
+}
+
+enum dsi_pll_power_state {
+	DSI_PLL_POWER_OFF	= 0x0,
+	DSI_PLL_POWER_ON_HSCLK	= 0x1,
+	DSI_PLL_POWER_ON_ALL	= 0x2,
+	DSI_PLL_POWER_ON_DIV	= 0x3,
+};
+
+static int dsi_pll_power(struct platform_device *dsidev,
+		enum dsi_pll_power_state state)
+{
+	int t = 0;
+
+	/* DSI-PLL power command 0x3 is not working */
+	if (dss_has_feature(FEAT_DSI_PLL_PWR_BUG) &&
+			state == DSI_PLL_POWER_ON_DIV)
+		state = DSI_PLL_POWER_ON_ALL;
+
+	/* PLL_PWR_CMD */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, state, 31, 30);
+
+	/* PLL_PWR_STATUS */
+	while (FLD_GET(dsi_read_reg(dsidev, DSI_CLK_CTRL), 29, 28) != state) {
+		if (++t > 1000) {
+			DSSERR("Failed to set DSI PLL power mode to %d\n",
+					state);
+			return -ENODEV;
+		}
+		udelay(1);
+	}
+
+	return 0;
+}
+
+
+static void dsi_pll_calc_dsi_fck(struct dss_pll_clock_info *cinfo)
+{
+	unsigned long max_dsi_fck;
+
+	max_dsi_fck = dss_feat_get_param_max(FEAT_PARAM_DSI_FCK);
+
+	cinfo->mX[HSDIV_DSI] = DIV_ROUND_UP(cinfo->clkdco, max_dsi_fck);
+	cinfo->clkout[HSDIV_DSI] = cinfo->clkdco / cinfo->mX[HSDIV_DSI];
+}
+
+static int dsi_pll_enable(struct dss_pll *pll)
+{
+	struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
+	struct platform_device *dsidev = dsi->pdev;
+	int r = 0;
+
+	DSSDBG("PLL init\n");
+
+	r = dsi_regulator_init(dsidev);
+	if (r)
+		return r;
+
+	r = dsi_runtime_get(dsidev);
+	if (r)
+		return r;
+
+	/*
+	 * Note: SCP CLK is not required on OMAP3, but it is required on OMAP4.
+	 */
+	dsi_enable_scp_clk(dsidev);
+
+	if (!dsi->vdds_dsi_enabled) {
+		r = regulator_enable(dsi->vdds_dsi_reg);
+		if (r)
+			goto err0;
+		dsi->vdds_dsi_enabled = true;
+	}
+
+	/* XXX PLL does not come out of reset without this... */
+	dispc_pck_free_enable(1);
+
+	if (wait_for_bit_change(dsidev, DSI_PLL_STATUS, 0, 1) != 1) {
+		DSSERR("PLL not coming out of reset.\n");
+		r = -ENODEV;
+		dispc_pck_free_enable(0);
+		goto err1;
+	}
+
+	/* XXX ... but if left on, we get problems when planes do not
+	 * fill the whole display. No idea about this */
+	dispc_pck_free_enable(0);
+
+	r = dsi_pll_power(dsidev, DSI_PLL_POWER_ON_ALL);
+
+	if (r)
+		goto err1;
+
+	DSSDBG("PLL init done\n");
+
+	return 0;
+err1:
+	if (dsi->vdds_dsi_enabled) {
+		regulator_disable(dsi->vdds_dsi_reg);
+		dsi->vdds_dsi_enabled = false;
+	}
+err0:
+	dsi_disable_scp_clk(dsidev);
+	dsi_runtime_put(dsidev);
+	return r;
+}
+
+static void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	dsi_pll_power(dsidev, DSI_PLL_POWER_OFF);
+	if (disconnect_lanes) {
+		WARN_ON(!dsi->vdds_dsi_enabled);
+		regulator_disable(dsi->vdds_dsi_reg);
+		dsi->vdds_dsi_enabled = false;
+	}
+
+	dsi_disable_scp_clk(dsidev);
+	dsi_runtime_put(dsidev);
+
+	DSSDBG("PLL uninit done\n");
+}
+
+static void dsi_pll_disable(struct dss_pll *pll)
+{
+	struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
+	struct platform_device *dsidev = dsi->pdev;
+
+	dsi_pll_uninit(dsidev, true);
+}
+
+static void dsi_dump_dsidev_clocks(struct platform_device *dsidev,
+		struct seq_file *s)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dss_pll_clock_info *cinfo = &dsi->pll.cinfo;
+	enum omap_dss_clk_source dispc_clk_src, dsi_clk_src;
+	int dsi_module = dsi->module_id;
+	struct dss_pll *pll = &dsi->pll;
+
+	dispc_clk_src = dss_get_dispc_clk_source();
+	dsi_clk_src = dss_get_dsi_clk_source(dsi_module);
+
+	if (dsi_runtime_get(dsidev))
+		return;
+
+	seq_printf(s,	"- DSI%d PLL -\n", dsi_module + 1);
+
+	seq_printf(s,	"dsi pll clkin\t%lu\n", clk_get_rate(pll->clkin));
+
+	seq_printf(s,	"Fint\t\t%-16lun %u\n", cinfo->fint, cinfo->n);
+
+	seq_printf(s,	"CLKIN4DDR\t%-16lum %u\n",
+			cinfo->clkdco, cinfo->m);
+
+	seq_printf(s,	"DSI_PLL_HSDIV_DISPC (%s)\t%-16lum_dispc %u\t(%s)\n",
+			dss_feat_get_clk_source_name(dsi_module == 0 ?
+				OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC :
+				OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC),
+			cinfo->clkout[HSDIV_DISPC],
+			cinfo->mX[HSDIV_DISPC],
+			dispc_clk_src == OMAP_DSS_CLK_SRC_FCK ?
+			"off" : "on");
+
+	seq_printf(s,	"DSI_PLL_HSDIV_DSI (%s)\t%-16lum_dsi %u\t(%s)\n",
+			dss_feat_get_clk_source_name(dsi_module == 0 ?
+				OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI :
+				OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI),
+			cinfo->clkout[HSDIV_DSI],
+			cinfo->mX[HSDIV_DSI],
+			dsi_clk_src == OMAP_DSS_CLK_SRC_FCK ?
+			"off" : "on");
+
+	seq_printf(s,	"- DSI%d -\n", dsi_module + 1);
+
+	seq_printf(s,	"dsi fclk source = %s (%s)\n",
+			dss_get_generic_clk_source_name(dsi_clk_src),
+			dss_feat_get_clk_source_name(dsi_clk_src));
+
+	seq_printf(s,	"DSI_FCLK\t%lu\n", dsi_fclk_rate(dsidev));
+
+	seq_printf(s,	"DDR_CLK\t\t%lu\n",
+			cinfo->clkdco / 4);
+
+	seq_printf(s,	"TxByteClkHS\t%lu\n", dsi_get_txbyteclkhs(dsidev));
+
+	seq_printf(s,	"LP_CLK\t\t%lu\n", dsi->current_lp_cinfo.lp_clk);
+
+	dsi_runtime_put(dsidev);
+}
+
+void dsi_dump_clocks(struct seq_file *s)
+{
+	struct platform_device *dsidev;
+	int i;
+
+	for  (i = 0; i < MAX_NUM_DSI; i++) {
+		dsidev = dsi_get_dsidev_from_id(i);
+		if (dsidev)
+			dsi_dump_dsidev_clocks(dsidev, s);
+	}
+}
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+static void dsi_dump_dsidev_irqs(struct platform_device *dsidev,
+		struct seq_file *s)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned long flags;
+	struct dsi_irq_stats *stats;
+
+	stats = kzalloc(sizeof(*stats), GFP_KERNEL);
+	if (!stats) {
+		seq_printf(s, "out of memory\n");
+		return;
+	}
+
+	spin_lock_irqsave(&dsi->irq_stats_lock, flags);
+
+	*stats = dsi->irq_stats;
+	memset(&dsi->irq_stats, 0, sizeof(dsi->irq_stats));
+	dsi->irq_stats.last_reset = jiffies;
+
+	spin_unlock_irqrestore(&dsi->irq_stats_lock, flags);
+
+	seq_printf(s, "period %u ms\n",
+			jiffies_to_msecs(jiffies - stats->last_reset));
+
+	seq_printf(s, "irqs %d\n", stats->irq_count);
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d\n", #x, stats->dsi_irqs[ffs(DSI_IRQ_##x)-1])
+
+	seq_printf(s, "-- DSI%d interrupts --\n", dsi->module_id + 1);
+	PIS(VC0);
+	PIS(VC1);
+	PIS(VC2);
+	PIS(VC3);
+	PIS(WAKEUP);
+	PIS(RESYNC);
+	PIS(PLL_LOCK);
+	PIS(PLL_UNLOCK);
+	PIS(PLL_RECALL);
+	PIS(COMPLEXIO_ERR);
+	PIS(HS_TX_TIMEOUT);
+	PIS(LP_RX_TIMEOUT);
+	PIS(TE_TRIGGER);
+	PIS(ACK_TRIGGER);
+	PIS(SYNC_LOST);
+	PIS(LDO_POWER_GOOD);
+	PIS(TA_TIMEOUT);
+#undef PIS
+
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d %10d %10d %10d\n", #x, \
+			stats->vc_irqs[0][ffs(DSI_VC_IRQ_##x)-1], \
+			stats->vc_irqs[1][ffs(DSI_VC_IRQ_##x)-1], \
+			stats->vc_irqs[2][ffs(DSI_VC_IRQ_##x)-1], \
+			stats->vc_irqs[3][ffs(DSI_VC_IRQ_##x)-1]);
+
+	seq_printf(s, "-- VC interrupts --\n");
+	PIS(CS);
+	PIS(ECC_CORR);
+	PIS(PACKET_SENT);
+	PIS(FIFO_TX_OVF);
+	PIS(FIFO_RX_OVF);
+	PIS(BTA);
+	PIS(ECC_NO_CORR);
+	PIS(FIFO_TX_UDF);
+	PIS(PP_BUSY_CHANGE);
+#undef PIS
+
+#define PIS(x) \
+	seq_printf(s, "%-20s %10d\n", #x, \
+			stats->cio_irqs[ffs(DSI_CIO_IRQ_##x)-1]);
+
+	seq_printf(s, "-- CIO interrupts --\n");
+	PIS(ERRSYNCESC1);
+	PIS(ERRSYNCESC2);
+	PIS(ERRSYNCESC3);
+	PIS(ERRESC1);
+	PIS(ERRESC2);
+	PIS(ERRESC3);
+	PIS(ERRCONTROL1);
+	PIS(ERRCONTROL2);
+	PIS(ERRCONTROL3);
+	PIS(STATEULPS1);
+	PIS(STATEULPS2);
+	PIS(STATEULPS3);
+	PIS(ERRCONTENTIONLP0_1);
+	PIS(ERRCONTENTIONLP1_1);
+	PIS(ERRCONTENTIONLP0_2);
+	PIS(ERRCONTENTIONLP1_2);
+	PIS(ERRCONTENTIONLP0_3);
+	PIS(ERRCONTENTIONLP1_3);
+	PIS(ULPSACTIVENOT_ALL0);
+	PIS(ULPSACTIVENOT_ALL1);
+#undef PIS
+
+	kfree(stats);
+}
+
+static void dsi1_dump_irqs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(0);
+
+	dsi_dump_dsidev_irqs(dsidev, s);
+}
+
+static void dsi2_dump_irqs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(1);
+
+	dsi_dump_dsidev_irqs(dsidev, s);
+}
+#endif
+
+static void dsi_dump_dsidev_regs(struct platform_device *dsidev,
+		struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsidev, r))
+
+	if (dsi_runtime_get(dsidev))
+		return;
+	dsi_enable_scp_clk(dsidev);
+
+	DUMPREG(DSI_REVISION);
+	DUMPREG(DSI_SYSCONFIG);
+	DUMPREG(DSI_SYSSTATUS);
+	DUMPREG(DSI_IRQSTATUS);
+	DUMPREG(DSI_IRQENABLE);
+	DUMPREG(DSI_CTRL);
+	DUMPREG(DSI_COMPLEXIO_CFG1);
+	DUMPREG(DSI_COMPLEXIO_IRQ_STATUS);
+	DUMPREG(DSI_COMPLEXIO_IRQ_ENABLE);
+	DUMPREG(DSI_CLK_CTRL);
+	DUMPREG(DSI_TIMING1);
+	DUMPREG(DSI_TIMING2);
+	DUMPREG(DSI_VM_TIMING1);
+	DUMPREG(DSI_VM_TIMING2);
+	DUMPREG(DSI_VM_TIMING3);
+	DUMPREG(DSI_CLK_TIMING);
+	DUMPREG(DSI_TX_FIFO_VC_SIZE);
+	DUMPREG(DSI_RX_FIFO_VC_SIZE);
+	DUMPREG(DSI_COMPLEXIO_CFG2);
+	DUMPREG(DSI_RX_FIFO_VC_FULLNESS);
+	DUMPREG(DSI_VM_TIMING4);
+	DUMPREG(DSI_TX_FIFO_VC_EMPTINESS);
+	DUMPREG(DSI_VM_TIMING5);
+	DUMPREG(DSI_VM_TIMING6);
+	DUMPREG(DSI_VM_TIMING7);
+	DUMPREG(DSI_STOPCLK_TIMING);
+
+	DUMPREG(DSI_VC_CTRL(0));
+	DUMPREG(DSI_VC_TE(0));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(0));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(0));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(0));
+	DUMPREG(DSI_VC_IRQSTATUS(0));
+	DUMPREG(DSI_VC_IRQENABLE(0));
+
+	DUMPREG(DSI_VC_CTRL(1));
+	DUMPREG(DSI_VC_TE(1));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(1));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(1));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(1));
+	DUMPREG(DSI_VC_IRQSTATUS(1));
+	DUMPREG(DSI_VC_IRQENABLE(1));
+
+	DUMPREG(DSI_VC_CTRL(2));
+	DUMPREG(DSI_VC_TE(2));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(2));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(2));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(2));
+	DUMPREG(DSI_VC_IRQSTATUS(2));
+	DUMPREG(DSI_VC_IRQENABLE(2));
+
+	DUMPREG(DSI_VC_CTRL(3));
+	DUMPREG(DSI_VC_TE(3));
+	DUMPREG(DSI_VC_LONG_PACKET_HEADER(3));
+	DUMPREG(DSI_VC_LONG_PACKET_PAYLOAD(3));
+	DUMPREG(DSI_VC_SHORT_PACKET_HEADER(3));
+	DUMPREG(DSI_VC_IRQSTATUS(3));
+	DUMPREG(DSI_VC_IRQENABLE(3));
+
+	DUMPREG(DSI_DSIPHY_CFG0);
+	DUMPREG(DSI_DSIPHY_CFG1);
+	DUMPREG(DSI_DSIPHY_CFG2);
+	DUMPREG(DSI_DSIPHY_CFG5);
+
+	DUMPREG(DSI_PLL_CONTROL);
+	DUMPREG(DSI_PLL_STATUS);
+	DUMPREG(DSI_PLL_GO);
+	DUMPREG(DSI_PLL_CONFIGURATION1);
+	DUMPREG(DSI_PLL_CONFIGURATION2);
+
+	dsi_disable_scp_clk(dsidev);
+	dsi_runtime_put(dsidev);
+#undef DUMPREG
+}
+
+static void dsi1_dump_regs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(0);
+
+	dsi_dump_dsidev_regs(dsidev, s);
+}
+
+static void dsi2_dump_regs(struct seq_file *s)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_id(1);
+
+	dsi_dump_dsidev_regs(dsidev, s);
+}
+
+enum dsi_cio_power_state {
+	DSI_COMPLEXIO_POWER_OFF		= 0x0,
+	DSI_COMPLEXIO_POWER_ON		= 0x1,
+	DSI_COMPLEXIO_POWER_ULPS	= 0x2,
+};
+
+static int dsi_cio_power(struct platform_device *dsidev,
+		enum dsi_cio_power_state state)
+{
+	int t = 0;
+
+	/* PWR_CMD */
+	REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG1, state, 28, 27);
+
+	/* PWR_STATUS */
+	while (FLD_GET(dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1),
+			26, 25) != state) {
+		if (++t > 1000) {
+			DSSERR("failed to set complexio power state to "
+					"%d\n", state);
+			return -ENODEV;
+		}
+		udelay(1);
+	}
+
+	return 0;
+}
+
+static unsigned dsi_get_line_buf_size(struct platform_device *dsidev)
+{
+	int val;
+
+	/* line buffer on OMAP3 is 1024 x 24bits */
+	/* XXX: for some reason using full buffer size causes
+	 * considerable TX slowdown with update sizes that fill the
+	 * whole buffer */
+	if (!dss_has_feature(FEAT_DSI_GNQ))
+		return 1023 * 3;
+
+	val = REG_GET(dsidev, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
+
+	switch (val) {
+	case 1:
+		return 512 * 3;		/* 512x24 bits */
+	case 2:
+		return 682 * 3;		/* 682x24 bits */
+	case 3:
+		return 853 * 3;		/* 853x24 bits */
+	case 4:
+		return 1024 * 3;	/* 1024x24 bits */
+	case 5:
+		return 1194 * 3;	/* 1194x24 bits */
+	case 6:
+		return 1365 * 3;	/* 1365x24 bits */
+	case 7:
+		return 1920 * 3;	/* 1920x24 bits */
+	default:
+		BUG();
+		return 0;
+	}
+}
+
+static int dsi_set_lane_config(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	static const u8 offsets[] = { 0, 4, 8, 12, 16 };
+	static const enum dsi_lane_function functions[] = {
+		DSI_LANE_CLK,
+		DSI_LANE_DATA1,
+		DSI_LANE_DATA2,
+		DSI_LANE_DATA3,
+		DSI_LANE_DATA4,
+	};
+	u32 r;
+	int i;
+
+	r = dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1);
+
+	for (i = 0; i < dsi->num_lanes_used; ++i) {
+		unsigned offset = offsets[i];
+		unsigned polarity, lane_number;
+		unsigned t;
+
+		for (t = 0; t < dsi->num_lanes_supported; ++t)
+			if (dsi->lanes[t].function == functions[i])
+				break;
+
+		if (t == dsi->num_lanes_supported)
+			return -EINVAL;
+
+		lane_number = t;
+		polarity = dsi->lanes[t].polarity;
+
+		r = FLD_MOD(r, lane_number + 1, offset + 2, offset);
+		r = FLD_MOD(r, polarity, offset + 3, offset + 3);
+	}
+
+	/* clear the unused lanes */
+	for (; i < dsi->num_lanes_supported; ++i) {
+		unsigned offset = offsets[i];
+
+		r = FLD_MOD(r, 0, offset + 2, offset);
+		r = FLD_MOD(r, 0, offset + 3, offset + 3);
+	}
+
+	dsi_write_reg(dsidev, DSI_COMPLEXIO_CFG1, r);
+
+	return 0;
+}
+
+static inline unsigned ns2ddr(struct platform_device *dsidev, unsigned ns)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* convert time in ns to ddr ticks, rounding up */
+	unsigned long ddr_clk = dsi->pll.cinfo.clkdco / 4;
+	return (ns * (ddr_clk / 1000 / 1000) + 999) / 1000;
+}
+
+static inline unsigned ddr2ns(struct platform_device *dsidev, unsigned ddr)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	unsigned long ddr_clk = dsi->pll.cinfo.clkdco / 4;
+	return ddr * 1000 * 1000 / (ddr_clk / 1000);
+}
+
+static void dsi_cio_timings(struct platform_device *dsidev)
+{
+	u32 r;
+	u32 ths_prepare, ths_prepare_ths_zero, ths_trail, ths_exit;
+	u32 tlpx_half, tclk_trail, tclk_zero;
+	u32 tclk_prepare;
+
+	/* calculate timings */
+
+	/* 1 * DDR_CLK = 2 * UI */
+
+	/* min 40ns + 4*UI	max 85ns + 6*UI */
+	ths_prepare = ns2ddr(dsidev, 70) + 2;
+
+	/* min 145ns + 10*UI */
+	ths_prepare_ths_zero = ns2ddr(dsidev, 175) + 2;
+
+	/* min max(8*UI, 60ns+4*UI) */
+	ths_trail = ns2ddr(dsidev, 60) + 5;
+
+	/* min 100ns */
+	ths_exit = ns2ddr(dsidev, 145);
+
+	/* tlpx min 50n */
+	tlpx_half = ns2ddr(dsidev, 25);
+
+	/* min 60ns */
+	tclk_trail = ns2ddr(dsidev, 60) + 2;
+
+	/* min 38ns, max 95ns */
+	tclk_prepare = ns2ddr(dsidev, 65);
+
+	/* min tclk-prepare + tclk-zero = 300ns */
+	tclk_zero = ns2ddr(dsidev, 260);
+
+	DSSDBG("ths_prepare %u (%uns), ths_prepare_ths_zero %u (%uns)\n",
+		ths_prepare, ddr2ns(dsidev, ths_prepare),
+		ths_prepare_ths_zero, ddr2ns(dsidev, ths_prepare_ths_zero));
+	DSSDBG("ths_trail %u (%uns), ths_exit %u (%uns)\n",
+			ths_trail, ddr2ns(dsidev, ths_trail),
+			ths_exit, ddr2ns(dsidev, ths_exit));
+
+	DSSDBG("tlpx_half %u (%uns), tclk_trail %u (%uns), "
+			"tclk_zero %u (%uns)\n",
+			tlpx_half, ddr2ns(dsidev, tlpx_half),
+			tclk_trail, ddr2ns(dsidev, tclk_trail),
+			tclk_zero, ddr2ns(dsidev, tclk_zero));
+	DSSDBG("tclk_prepare %u (%uns)\n",
+			tclk_prepare, ddr2ns(dsidev, tclk_prepare));
+
+	/* program timings */
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+	r = FLD_MOD(r, ths_prepare, 31, 24);
+	r = FLD_MOD(r, ths_prepare_ths_zero, 23, 16);
+	r = FLD_MOD(r, ths_trail, 15, 8);
+	r = FLD_MOD(r, ths_exit, 7, 0);
+	dsi_write_reg(dsidev, DSI_DSIPHY_CFG0, r);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+	r = FLD_MOD(r, tlpx_half, 20, 16);
+	r = FLD_MOD(r, tclk_trail, 15, 8);
+	r = FLD_MOD(r, tclk_zero, 7, 0);
+
+	if (dss_has_feature(FEAT_DSI_PHY_DCC)) {
+		r = FLD_MOD(r, 0, 21, 21);	/* DCCEN = disable */
+		r = FLD_MOD(r, 1, 22, 22);	/* CLKINP_DIVBY2EN = enable */
+		r = FLD_MOD(r, 1, 23, 23);	/* CLKINP_SEL = enable */
+	}
+
+	dsi_write_reg(dsidev, DSI_DSIPHY_CFG1, r);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
+	r = FLD_MOD(r, tclk_prepare, 7, 0);
+	dsi_write_reg(dsidev, DSI_DSIPHY_CFG2, r);
+}
+
+/* lane masks have lane 0 at lsb. mask_p for positive lines, n for negative */
+static void dsi_cio_enable_lane_override(struct platform_device *dsidev,
+		unsigned mask_p, unsigned mask_n)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+	u32 l;
+	u8 lptxscp_start = dsi->num_lanes_supported == 3 ? 22 : 26;
+
+	l = 0;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i) {
+		unsigned p = dsi->lanes[i].polarity;
+
+		if (mask_p & (1 << i))
+			l |= 1 << (i * 2 + (p ? 0 : 1));
+
+		if (mask_n & (1 << i))
+			l |= 1 << (i * 2 + (p ? 1 : 0));
+	}
+
+	/*
+	 * Bits in REGLPTXSCPDAT4TO0DXDY:
+	 * 17: DY0 18: DX0
+	 * 19: DY1 20: DX1
+	 * 21: DY2 22: DX2
+	 * 23: DY3 24: DX3
+	 * 25: DY4 26: DX4
+	 */
+
+	/* Set the lane override configuration */
+
+	/* REGLPTXSCPDAT4TO0DXDY */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, l, lptxscp_start, 17);
+
+	/* Enable lane override */
+
+	/* ENLPTXSCPDAT */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 1, 27, 27);
+}
+
+static void dsi_cio_disable_lane_override(struct platform_device *dsidev)
+{
+	/* Disable lane override */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 27, 27); /* ENLPTXSCPDAT */
+	/* Reset the lane override configuration */
+	/* REGLPTXSCPDAT4TO0DXDY */
+	REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 22, 17);
+}
+
+static int dsi_cio_wait_tx_clk_esc_reset(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int t, i;
+	bool in_use[DSI_MAX_NR_LANES];
+	static const u8 offsets_old[] = { 28, 27, 26 };
+	static const u8 offsets_new[] = { 24, 25, 26, 27, 28 };
+	const u8 *offsets;
+
+	if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC))
+		offsets = offsets_old;
+	else
+		offsets = offsets_new;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i)
+		in_use[i] = dsi->lanes[i].function != DSI_LANE_UNUSED;
+
+	t = 100000;
+	while (true) {
+		u32 l;
+		int ok;
+
+		l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+
+		ok = 0;
+		for (i = 0; i < dsi->num_lanes_supported; ++i) {
+			if (!in_use[i] || (l & (1 << offsets[i])))
+				ok++;
+		}
+
+		if (ok == dsi->num_lanes_supported)
+			break;
+
+		if (--t == 0) {
+			for (i = 0; i < dsi->num_lanes_supported; ++i) {
+				if (!in_use[i] || (l & (1 << offsets[i])))
+					continue;
+
+				DSSERR("CIO TXCLKESC%d domain not coming " \
+						"out of reset\n", i);
+			}
+			return -EIO;
+		}
+	}
+
+	return 0;
+}
+
+/* return bitmask of enabled lanes, lane0 being the lsb */
+static unsigned dsi_get_lane_mask(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned mask = 0;
+	int i;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i) {
+		if (dsi->lanes[i].function != DSI_LANE_UNUSED)
+			mask |= 1 << i;
+	}
+
+	return mask;
+}
+
+static int dsi_cio_init(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+	u32 l;
+
+	DSSDBG("DSI CIO init starts");
+
+	r = dss_dsi_enable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
+	if (r)
+		return r;
+
+	dsi_enable_scp_clk(dsidev);
+
+	/* A dummy read using the SCP interface to any DSIPHY register is
+	 * required after DSIPHY reset to complete the reset of the DSI complex
+	 * I/O. */
+	dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+
+	if (wait_for_bit_change(dsidev, DSI_DSIPHY_CFG5, 30, 1) != 1) {
+		DSSERR("CIO SCP Clock domain not coming out of reset.\n");
+		r = -EIO;
+		goto err_scp_clk_dom;
+	}
+
+	r = dsi_set_lane_config(dsidev);
+	if (r)
+		goto err_scp_clk_dom;
+
+	/* set TX STOP MODE timer to maximum for this operation */
+	l = dsi_read_reg(dsidev, DSI_TIMING1);
+	l = FLD_MOD(l, 1, 15, 15);	/* FORCE_TX_STOP_MODE_IO */
+	l = FLD_MOD(l, 1, 14, 14);	/* STOP_STATE_X16_IO */
+	l = FLD_MOD(l, 1, 13, 13);	/* STOP_STATE_X4_IO */
+	l = FLD_MOD(l, 0x1fff, 12, 0);	/* STOP_STATE_COUNTER_IO */
+	dsi_write_reg(dsidev, DSI_TIMING1, l);
+
+	if (dsi->ulps_enabled) {
+		unsigned mask_p;
+		int i;
+
+		DSSDBG("manual ulps exit\n");
+
+		/* ULPS is exited by Mark-1 state for 1ms, followed by
+		 * stop state. DSS HW cannot do this via the normal
+		 * ULPS exit sequence, as after reset the DSS HW thinks
+		 * that we are not in ULPS mode, and refuses to send the
+		 * sequence. So we need to send the ULPS exit sequence
+		 * manually by setting positive lines high and negative lines
+		 * low for 1ms.
+		 */
+
+		mask_p = 0;
+
+		for (i = 0; i < dsi->num_lanes_supported; ++i) {
+			if (dsi->lanes[i].function == DSI_LANE_UNUSED)
+				continue;
+			mask_p |= 1 << i;
+		}
+
+		dsi_cio_enable_lane_override(dsidev, mask_p, 0);
+	}
+
+	r = dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ON);
+	if (r)
+		goto err_cio_pwr;
+
+	if (wait_for_bit_change(dsidev, DSI_COMPLEXIO_CFG1, 29, 1) != 1) {
+		DSSERR("CIO PWR clock domain not coming out of reset.\n");
+		r = -ENODEV;
+		goto err_cio_pwr_dom;
+	}
+
+	dsi_if_enable(dsidev, true);
+	dsi_if_enable(dsidev, false);
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 20, 20); /* LP_CLK_ENABLE */
+
+	r = dsi_cio_wait_tx_clk_esc_reset(dsidev);
+	if (r)
+		goto err_tx_clk_esc_rst;
+
+	if (dsi->ulps_enabled) {
+		/* Keep Mark-1 state for 1ms (as per DSI spec) */
+		ktime_t wait = ns_to_ktime(1000 * 1000);
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_hrtimeout(&wait, HRTIMER_MODE_REL);
+
+		/* Disable the override. The lanes should be set to Mark-11
+		 * state by the HW */
+		dsi_cio_disable_lane_override(dsidev);
+	}
+
+	/* FORCE_TX_STOP_MODE_IO */
+	REG_FLD_MOD(dsidev, DSI_TIMING1, 0, 15, 15);
+
+	dsi_cio_timings(dsidev);
+
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		/* DDR_CLK_ALWAYS_ON */
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL,
+			dsi->vm_timings.ddr_clk_always_on, 13, 13);
+	}
+
+	dsi->ulps_enabled = false;
+
+	DSSDBG("CIO init done\n");
+
+	return 0;
+
+err_tx_clk_esc_rst:
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 20, 20); /* LP_CLK_ENABLE */
+err_cio_pwr_dom:
+	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
+err_cio_pwr:
+	if (dsi->ulps_enabled)
+		dsi_cio_disable_lane_override(dsidev);
+err_scp_clk_dom:
+	dsi_disable_scp_clk(dsidev);
+	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
+	return r;
+}
+
+static void dsi_cio_uninit(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* DDR_CLK_ALWAYS_ON */
+	REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 13, 13);
+
+	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
+	dsi_disable_scp_clk(dsidev);
+	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
+}
+
+static void dsi_config_tx_fifo(struct platform_device *dsidev,
+		enum fifo_size size1, enum fifo_size size2,
+		enum fifo_size size3, enum fifo_size size4)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r = 0;
+	int add = 0;
+	int i;
+
+	dsi->vc[0].tx_fifo_size = size1;
+	dsi->vc[1].tx_fifo_size = size2;
+	dsi->vc[2].tx_fifo_size = size3;
+	dsi->vc[3].tx_fifo_size = size4;
+
+	for (i = 0; i < 4; i++) {
+		u8 v;
+		int size = dsi->vc[i].tx_fifo_size;
+
+		if (add + size > 4) {
+			DSSERR("Illegal FIFO configuration\n");
+			BUG();
+			return;
+		}
+
+		v = FLD_VAL(add, 2, 0) | FLD_VAL(size, 7, 4);
+		r |= v << (8 * i);
+		/*DSSDBG("TX FIFO vc %d: size %d, add %d\n", i, size, add); */
+		add += size;
+	}
+
+	dsi_write_reg(dsidev, DSI_TX_FIFO_VC_SIZE, r);
+}
+
+static void dsi_config_rx_fifo(struct platform_device *dsidev,
+		enum fifo_size size1, enum fifo_size size2,
+		enum fifo_size size3, enum fifo_size size4)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r = 0;
+	int add = 0;
+	int i;
+
+	dsi->vc[0].rx_fifo_size = size1;
+	dsi->vc[1].rx_fifo_size = size2;
+	dsi->vc[2].rx_fifo_size = size3;
+	dsi->vc[3].rx_fifo_size = size4;
+
+	for (i = 0; i < 4; i++) {
+		u8 v;
+		int size = dsi->vc[i].rx_fifo_size;
+
+		if (add + size > 4) {
+			DSSERR("Illegal FIFO configuration\n");
+			BUG();
+			return;
+		}
+
+		v = FLD_VAL(add, 2, 0) | FLD_VAL(size, 7, 4);
+		r |= v << (8 * i);
+		/*DSSDBG("RX FIFO vc %d: size %d, add %d\n", i, size, add); */
+		add += size;
+	}
+
+	dsi_write_reg(dsidev, DSI_RX_FIFO_VC_SIZE, r);
+}
+
+static int dsi_force_tx_stop_mode_io(struct platform_device *dsidev)
+{
+	u32 r;
+
+	r = dsi_read_reg(dsidev, DSI_TIMING1);
+	r = FLD_MOD(r, 1, 15, 15);	/* FORCE_TX_STOP_MODE_IO */
+	dsi_write_reg(dsidev, DSI_TIMING1, r);
+
+	if (wait_for_bit_change(dsidev, DSI_TIMING1, 15, 0) != 0) {
+		DSSERR("TX_STOP bit not going down\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static bool dsi_vc_is_enabled(struct platform_device *dsidev, int channel)
+{
+	return REG_GET(dsidev, DSI_VC_CTRL(channel), 0, 0);
+}
+
+static void dsi_packet_sent_handler_vp(void *data, u32 mask)
+{
+	struct dsi_packet_sent_handler_data *vp_data =
+		(struct dsi_packet_sent_handler_data *) data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(vp_data->dsidev);
+	const int channel = dsi->update_channel;
+	u8 bit = dsi->te_enabled ? 30 : 31;
+
+	if (REG_GET(vp_data->dsidev, DSI_VC_TE(channel), bit, bit) == 0)
+		complete(vp_data->completion);
+}
+
+static int dsi_sync_vc_vp(struct platform_device *dsidev, int channel)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	DECLARE_COMPLETION_ONSTACK(completion);
+	struct dsi_packet_sent_handler_data vp_data = {
+		.dsidev = dsidev,
+		.completion = &completion
+	};
+	int r = 0;
+	u8 bit;
+
+	bit = dsi->te_enabled ? 30 : 31;
+
+	r = dsi_register_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+		&vp_data, DSI_VC_IRQ_PACKET_SENT);
+	if (r)
+		goto err0;
+
+	/* Wait for completion only if TE_EN/TE_START is still set */
+	if (REG_GET(dsidev, DSI_VC_TE(channel), bit, bit)) {
+		if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(10)) == 0) {
+			DSSERR("Failed to complete previous frame transfer\n");
+			r = -EIO;
+			goto err1;
+		}
+	}
+
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+		&vp_data, DSI_VC_IRQ_PACKET_SENT);
+
+	return 0;
+err1:
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+		&vp_data, DSI_VC_IRQ_PACKET_SENT);
+err0:
+	return r;
+}
+
+static void dsi_packet_sent_handler_l4(void *data, u32 mask)
+{
+	struct dsi_packet_sent_handler_data *l4_data =
+		(struct dsi_packet_sent_handler_data *) data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(l4_data->dsidev);
+	const int channel = dsi->update_channel;
+
+	if (REG_GET(l4_data->dsidev, DSI_VC_CTRL(channel), 5, 5) == 0)
+		complete(l4_data->completion);
+}
+
+static int dsi_sync_vc_l4(struct platform_device *dsidev, int channel)
+{
+	DECLARE_COMPLETION_ONSTACK(completion);
+	struct dsi_packet_sent_handler_data l4_data = {
+		.dsidev = dsidev,
+		.completion = &completion
+	};
+	int r = 0;
+
+	r = dsi_register_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+		&l4_data, DSI_VC_IRQ_PACKET_SENT);
+	if (r)
+		goto err0;
+
+	/* Wait for completion only if TX_FIFO_NOT_EMPTY is still set */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 5, 5)) {
+		if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(10)) == 0) {
+			DSSERR("Failed to complete previous l4 transfer\n");
+			r = -EIO;
+			goto err1;
+		}
+	}
+
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+		&l4_data, DSI_VC_IRQ_PACKET_SENT);
+
+	return 0;
+err1:
+	dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+		&l4_data, DSI_VC_IRQ_PACKET_SENT);
+err0:
+	return r;
+}
+
+static int dsi_sync_vc(struct platform_device *dsidev, int channel)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	if (!dsi_vc_is_enabled(dsidev, channel))
+		return 0;
+
+	switch (dsi->vc[channel].source) {
+	case DSI_VC_SOURCE_VP:
+		return dsi_sync_vc_vp(dsidev, channel);
+	case DSI_VC_SOURCE_L4:
+		return dsi_sync_vc_l4(dsidev, channel);
+	default:
+		BUG();
+		return -EINVAL;
+	}
+}
+
+static int dsi_vc_enable(struct platform_device *dsidev, int channel,
+		bool enable)
+{
+	DSSDBG("dsi_vc_enable channel %d, enable %d\n",
+			channel, enable);
+
+	enable = enable ? 1 : 0;
+
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 0, 0);
+
+	if (wait_for_bit_change(dsidev, DSI_VC_CTRL(channel),
+		0, enable) != enable) {
+			DSSERR("Failed to set dsi_vc_enable to %d\n", enable);
+			return -EIO;
+	}
+
+	return 0;
+}
+
+static void dsi_vc_initial_config(struct platform_device *dsidev, int channel)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r;
+
+	DSSDBG("Initial config of virtual channel %d", channel);
+
+	r = dsi_read_reg(dsidev, DSI_VC_CTRL(channel));
+
+	if (FLD_GET(r, 15, 15)) /* VC_BUSY */
+		DSSERR("VC(%d) busy when trying to configure it!\n",
+				channel);
+
+	r = FLD_MOD(r, 0, 1, 1); /* SOURCE, 0 = L4 */
+	r = FLD_MOD(r, 0, 2, 2); /* BTA_SHORT_EN  */
+	r = FLD_MOD(r, 0, 3, 3); /* BTA_LONG_EN */
+	r = FLD_MOD(r, 0, 4, 4); /* MODE, 0 = command */
+	r = FLD_MOD(r, 1, 7, 7); /* CS_TX_EN */
+	r = FLD_MOD(r, 1, 8, 8); /* ECC_TX_EN */
+	r = FLD_MOD(r, 0, 9, 9); /* MODE_SPEED, high speed on/off */
+	if (dss_has_feature(FEAT_DSI_VC_OCP_WIDTH))
+		r = FLD_MOD(r, 3, 11, 10);	/* OCP_WIDTH = 32 bit */
+
+	r = FLD_MOD(r, 4, 29, 27); /* DMA_RX_REQ_NB = no dma */
+	r = FLD_MOD(r, 4, 23, 21); /* DMA_TX_REQ_NB = no dma */
+
+	dsi_write_reg(dsidev, DSI_VC_CTRL(channel), r);
+
+	dsi->vc[channel].source = DSI_VC_SOURCE_L4;
+}
+
+static int dsi_vc_config_source(struct platform_device *dsidev, int channel,
+		enum dsi_vc_source source)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->vc[channel].source == source)
+		return 0;
+
+	DSSDBG("Source config of virtual channel %d", channel);
+
+	dsi_sync_vc(dsidev, channel);
+
+	dsi_vc_enable(dsidev, channel, 0);
+
+	/* VC_BUSY */
+	if (wait_for_bit_change(dsidev, DSI_VC_CTRL(channel), 15, 0) != 0) {
+		DSSERR("vc(%d) busy when trying to config for VP\n", channel);
+		return -EIO;
+	}
+
+	/* SOURCE, 0 = L4, 1 = video port */
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), source, 1, 1);
+
+	/* DCS_CMD_ENABLE */
+	if (dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+		bool enable = source == DSI_VC_SOURCE_VP;
+		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 30, 30);
+	}
+
+	dsi_vc_enable(dsidev, channel, 1);
+
+	dsi->vc[channel].source = source;
+
+	return 0;
+}
+
+static void dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
+		bool enable)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable);
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	dsi_vc_enable(dsidev, channel, 0);
+	dsi_if_enable(dsidev, 0);
+
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 9, 9);
+
+	dsi_vc_enable(dsidev, channel, 1);
+	dsi_if_enable(dsidev, 1);
+
+	dsi_force_tx_stop_mode_io(dsidev);
+
+	/* start the DDR clock by sending a NULL packet */
+	if (dsi->vm_timings.ddr_clk_always_on && enable)
+		dsi_vc_send_null(dssdev, channel);
+}
+
+static void dsi_vc_flush_long_data(struct platform_device *dsidev, int channel)
+{
+	while (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		u32 val;
+		val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+		DSSDBG("\t\tb1 %#02x b2 %#02x b3 %#02x b4 %#02x\n",
+				(val >> 0) & 0xff,
+				(val >> 8) & 0xff,
+				(val >> 16) & 0xff,
+				(val >> 24) & 0xff);
+	}
+}
+
+static void dsi_show_rx_ack_with_err(u16 err)
+{
+	DSSERR("\tACK with ERROR (%#x):\n", err);
+	if (err & (1 << 0))
+		DSSERR("\t\tSoT Error\n");
+	if (err & (1 << 1))
+		DSSERR("\t\tSoT Sync Error\n");
+	if (err & (1 << 2))
+		DSSERR("\t\tEoT Sync Error\n");
+	if (err & (1 << 3))
+		DSSERR("\t\tEscape Mode Entry Command Error\n");
+	if (err & (1 << 4))
+		DSSERR("\t\tLP Transmit Sync Error\n");
+	if (err & (1 << 5))
+		DSSERR("\t\tHS Receive Timeout Error\n");
+	if (err & (1 << 6))
+		DSSERR("\t\tFalse Control Error\n");
+	if (err & (1 << 7))
+		DSSERR("\t\t(reserved7)\n");
+	if (err & (1 << 8))
+		DSSERR("\t\tECC Error, single-bit (corrected)\n");
+	if (err & (1 << 9))
+		DSSERR("\t\tECC Error, multi-bit (not corrected)\n");
+	if (err & (1 << 10))
+		DSSERR("\t\tChecksum Error\n");
+	if (err & (1 << 11))
+		DSSERR("\t\tData type not recognized\n");
+	if (err & (1 << 12))
+		DSSERR("\t\tInvalid VC ID\n");
+	if (err & (1 << 13))
+		DSSERR("\t\tInvalid Transmission Length\n");
+	if (err & (1 << 14))
+		DSSERR("\t\t(reserved14)\n");
+	if (err & (1 << 15))
+		DSSERR("\t\tDSI Protocol Violation\n");
+}
+
+static u16 dsi_vc_flush_receive_data(struct platform_device *dsidev,
+		int channel)
+{
+	/* RX_FIFO_NOT_EMPTY */
+	while (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		u32 val;
+		u8 dt;
+		val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+		DSSERR("\trawval %#08x\n", val);
+		dt = FLD_GET(val, 5, 0);
+		if (dt == MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT) {
+			u16 err = FLD_GET(val, 23, 8);
+			dsi_show_rx_ack_with_err(err);
+		} else if (dt == MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE) {
+			DSSERR("\tDCS short response, 1 byte: %#x\n",
+					FLD_GET(val, 23, 8));
+		} else if (dt == MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE) {
+			DSSERR("\tDCS short response, 2 byte: %#x\n",
+					FLD_GET(val, 23, 8));
+		} else if (dt == MIPI_DSI_RX_DCS_LONG_READ_RESPONSE) {
+			DSSERR("\tDCS long response, len %d\n",
+					FLD_GET(val, 23, 8));
+			dsi_vc_flush_long_data(dsidev, channel);
+		} else {
+			DSSERR("\tunknown datatype 0x%02x\n", dt);
+		}
+	}
+	return 0;
+}
+
+static int dsi_vc_send_bta(struct platform_device *dsidev, int channel)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->debug_write || dsi->debug_read)
+		DSSDBG("dsi_vc_send_bta %d\n", channel);
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	/* RX_FIFO_NOT_EMPTY */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
+		dsi_vc_flush_receive_data(dsidev, channel);
+	}
+
+	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 6, 6); /* BTA_EN */
+
+	/* flush posted write */
+	dsi_read_reg(dsidev, DSI_VC_CTRL(channel));
+
+	return 0;
+}
+
+static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	DECLARE_COMPLETION_ONSTACK(completion);
+	int r = 0;
+	u32 err;
+
+	r = dsi_register_isr_vc(dsidev, channel, dsi_completion_handler,
+			&completion, DSI_VC_IRQ_BTA);
+	if (r)
+		goto err0;
+
+	r = dsi_register_isr(dsidev, dsi_completion_handler, &completion,
+			DSI_IRQ_ERROR_MASK);
+	if (r)
+		goto err1;
+
+	r = dsi_vc_send_bta(dsidev, channel);
+	if (r)
+		goto err2;
+
+	if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(500)) == 0) {
+		DSSERR("Failed to receive BTA\n");
+		r = -EIO;
+		goto err2;
+	}
+
+	err = dsi_get_errors(dsidev);
+	if (err) {
+		DSSERR("Error while sending BTA: %x\n", err);
+		r = -EIO;
+		goto err2;
+	}
+err2:
+	dsi_unregister_isr(dsidev, dsi_completion_handler, &completion,
+			DSI_IRQ_ERROR_MASK);
+err1:
+	dsi_unregister_isr_vc(dsidev, channel, dsi_completion_handler,
+			&completion, DSI_VC_IRQ_BTA);
+err0:
+	return r;
+}
+
+static inline void dsi_vc_write_long_header(struct platform_device *dsidev,
+		int channel, u8 data_type, u16 len, u8 ecc)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 val;
+	u8 data_id;
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	data_id = data_type | dsi->vc[channel].vc_id << 6;
+
+	val = FLD_VAL(data_id, 7, 0) | FLD_VAL(len, 23, 8) |
+		FLD_VAL(ecc, 31, 24);
+
+	dsi_write_reg(dsidev, DSI_VC_LONG_PACKET_HEADER(channel), val);
+}
+
+static inline void dsi_vc_write_long_payload(struct platform_device *dsidev,
+		int channel, u8 b1, u8 b2, u8 b3, u8 b4)
+{
+	u32 val;
+
+	val = b4 << 24 | b3 << 16 | b2 << 8  | b1 << 0;
+
+/*	DSSDBG("\twriting %02x, %02x, %02x, %02x (%#010x)\n",
+			b1, b2, b3, b4, val); */
+
+	dsi_write_reg(dsidev, DSI_VC_LONG_PACKET_PAYLOAD(channel), val);
+}
+
+static int dsi_vc_send_long(struct platform_device *dsidev, int channel,
+		u8 data_type, u8 *data, u16 len, u8 ecc)
+{
+	/*u32 val; */
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+	u8 *p;
+	int r = 0;
+	u8 b1, b2, b3, b4;
+
+	if (dsi->debug_write)
+		DSSDBG("dsi_vc_send_long, %d bytes\n", len);
+
+	/* len + header */
+	if (dsi->vc[channel].tx_fifo_size * 32 * 4 < len + 4) {
+		DSSERR("unable to send long packet: packet too long.\n");
+		return -EINVAL;
+	}
+
+	dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_L4);
+
+	dsi_vc_write_long_header(dsidev, channel, data_type, len, ecc);
+
+	p = data;
+	for (i = 0; i < len >> 2; i++) {
+		if (dsi->debug_write)
+			DSSDBG("\tsending full packet %d\n", i);
+
+		b1 = *p++;
+		b2 = *p++;
+		b3 = *p++;
+		b4 = *p++;
+
+		dsi_vc_write_long_payload(dsidev, channel, b1, b2, b3, b4);
+	}
+
+	i = len % 4;
+	if (i) {
+		b1 = 0; b2 = 0; b3 = 0;
+
+		if (dsi->debug_write)
+			DSSDBG("\tsending remainder bytes %d\n", i);
+
+		switch (i) {
+		case 3:
+			b1 = *p++;
+			b2 = *p++;
+			b3 = *p++;
+			break;
+		case 2:
+			b1 = *p++;
+			b2 = *p++;
+			break;
+		case 1:
+			b1 = *p++;
+			break;
+		}
+
+		dsi_vc_write_long_payload(dsidev, channel, b1, b2, b3, 0);
+	}
+
+	return r;
+}
+
+static int dsi_vc_send_short(struct platform_device *dsidev, int channel,
+		u8 data_type, u16 data, u8 ecc)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r;
+	u8 data_id;
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	if (dsi->debug_write)
+		DSSDBG("dsi_vc_send_short(ch%d, dt %#x, b1 %#x, b2 %#x)\n",
+				channel,
+				data_type, data & 0xff, (data >> 8) & 0xff);
+
+	dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_L4);
+
+	if (FLD_GET(dsi_read_reg(dsidev, DSI_VC_CTRL(channel)), 16, 16)) {
+		DSSERR("ERROR FIFO FULL, aborting transfer\n");
+		return -EINVAL;
+	}
+
+	data_id = data_type | dsi->vc[channel].vc_id << 6;
+
+	r = (data_id << 0) | (data << 8) | (ecc << 24);
+
+	dsi_write_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel), r);
+
+	return 0;
+}
+
+static int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_send_long(dsidev, channel, MIPI_DSI_NULL_PACKET, NULL,
+		0, 0);
+}
+
+static int dsi_vc_write_nosync_common(struct platform_device *dsidev,
+		int channel, u8 *data, int len, enum dss_dsi_content_type type)
+{
+	int r;
+
+	if (len == 0) {
+		BUG_ON(type == DSS_DSI_CONTENT_DCS);
+		r = dsi_vc_send_short(dsidev, channel,
+				MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM, 0, 0);
+	} else if (len == 1) {
+		r = dsi_vc_send_short(dsidev, channel,
+				type == DSS_DSI_CONTENT_GENERIC ?
+				MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM :
+				MIPI_DSI_DCS_SHORT_WRITE, data[0], 0);
+	} else if (len == 2) {
+		r = dsi_vc_send_short(dsidev, channel,
+				type == DSS_DSI_CONTENT_GENERIC ?
+				MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM :
+				MIPI_DSI_DCS_SHORT_WRITE_PARAM,
+				data[0] | (data[1] << 8), 0);
+	} else {
+		r = dsi_vc_send_long(dsidev, channel,
+				type == DSS_DSI_CONTENT_GENERIC ?
+				MIPI_DSI_GENERIC_LONG_WRITE :
+				MIPI_DSI_DCS_LONG_WRITE, data, len, 0);
+	}
+
+	return r;
+}
+
+static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
+		u8 *data, int len)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_write_nosync_common(dsidev, channel, data, len,
+			DSS_DSI_CONTENT_DCS);
+}
+
+static int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
+		u8 *data, int len)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_write_nosync_common(dsidev, channel, data, len,
+			DSS_DSI_CONTENT_GENERIC);
+}
+
+static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel,
+		u8 *data, int len, enum dss_dsi_content_type type)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int r;
+
+	r = dsi_vc_write_nosync_common(dsidev, channel, data, len, type);
+	if (r)
+		goto err;
+
+	r = dsi_vc_send_bta_sync(dssdev, channel);
+	if (r)
+		goto err;
+
+	/* RX_FIFO_NOT_EMPTY */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+		DSSERR("rx fifo not empty after write, dumping data:\n");
+		dsi_vc_flush_receive_data(dsidev, channel);
+		r = -EIO;
+		goto err;
+	}
+
+	return 0;
+err:
+	DSSERR("dsi_vc_write_common(ch %d, cmd 0x%02x, len %d) failed\n",
+			channel, data[0], len);
+	return r;
+}
+
+static int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
+		int len)
+{
+	return dsi_vc_write_common(dssdev, channel, data, len,
+			DSS_DSI_CONTENT_DCS);
+}
+
+static int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
+		int len)
+{
+	return dsi_vc_write_common(dssdev, channel, data, len,
+			DSS_DSI_CONTENT_GENERIC);
+}
+
+static int dsi_vc_dcs_send_read_request(struct platform_device *dsidev,
+		int channel, u8 dcs_cmd)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+
+	if (dsi->debug_read)
+		DSSDBG("dsi_vc_dcs_send_read_request(ch%d, dcs_cmd %x)\n",
+			channel, dcs_cmd);
+
+	r = dsi_vc_send_short(dsidev, channel, MIPI_DSI_DCS_READ, dcs_cmd, 0);
+	if (r) {
+		DSSERR("dsi_vc_dcs_send_read_request(ch %d, cmd 0x%02x)"
+			" failed\n", channel, dcs_cmd);
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_vc_generic_send_read_request(struct platform_device *dsidev,
+		int channel, u8 *reqdata, int reqlen)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u16 data;
+	u8 data_type;
+	int r;
+
+	if (dsi->debug_read)
+		DSSDBG("dsi_vc_generic_send_read_request(ch %d, reqlen %d)\n",
+			channel, reqlen);
+
+	if (reqlen == 0) {
+		data_type = MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM;
+		data = 0;
+	} else if (reqlen == 1) {
+		data_type = MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM;
+		data = reqdata[0];
+	} else if (reqlen == 2) {
+		data_type = MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM;
+		data = reqdata[0] | (reqdata[1] << 8);
+	} else {
+		BUG();
+		return -EINVAL;
+	}
+
+	r = dsi_vc_send_short(dsidev, channel, data_type, data, 0);
+	if (r) {
+		DSSERR("dsi_vc_generic_send_read_request(ch %d, reqlen %d)"
+			" failed\n", channel, reqlen);
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_vc_read_rx_fifo(struct platform_device *dsidev, int channel,
+		u8 *buf, int buflen, enum dss_dsi_content_type type)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 val;
+	u8 dt;
+	int r;
+
+	/* RX_FIFO_NOT_EMPTY */
+	if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20) == 0) {
+		DSSERR("RX fifo empty when trying to read.\n");
+		r = -EIO;
+		goto err;
+	}
+
+	val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+	if (dsi->debug_read)
+		DSSDBG("\theader: %08x\n", val);
+	dt = FLD_GET(val, 5, 0);
+	if (dt == MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT) {
+		u16 err = FLD_GET(val, 23, 8);
+		dsi_show_rx_ack_with_err(err);
+		r = -EIO;
+		goto err;
+
+	} else if (dt == (type == DSS_DSI_CONTENT_GENERIC ?
+			MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE :
+			MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE)) {
+		u8 data = FLD_GET(val, 15, 8);
+		if (dsi->debug_read)
+			DSSDBG("\t%s short response, 1 byte: %02x\n",
+				type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" :
+				"DCS", data);
+
+		if (buflen < 1) {
+			r = -EIO;
+			goto err;
+		}
+
+		buf[0] = data;
+
+		return 1;
+	} else if (dt == (type == DSS_DSI_CONTENT_GENERIC ?
+			MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE :
+			MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE)) {
+		u16 data = FLD_GET(val, 23, 8);
+		if (dsi->debug_read)
+			DSSDBG("\t%s short response, 2 byte: %04x\n",
+				type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" :
+				"DCS", data);
+
+		if (buflen < 2) {
+			r = -EIO;
+			goto err;
+		}
+
+		buf[0] = data & 0xff;
+		buf[1] = (data >> 8) & 0xff;
+
+		return 2;
+	} else if (dt == (type == DSS_DSI_CONTENT_GENERIC ?
+			MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE :
+			MIPI_DSI_RX_DCS_LONG_READ_RESPONSE)) {
+		int w;
+		int len = FLD_GET(val, 23, 8);
+		if (dsi->debug_read)
+			DSSDBG("\t%s long response, len %d\n",
+				type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" :
+				"DCS", len);
+
+		if (len > buflen) {
+			r = -EIO;
+			goto err;
+		}
+
+		/* two byte checksum ends the packet, not included in len */
+		for (w = 0; w < len + 2;) {
+			int b;
+			val = dsi_read_reg(dsidev,
+				DSI_VC_SHORT_PACKET_HEADER(channel));
+			if (dsi->debug_read)
+				DSSDBG("\t\t%02x %02x %02x %02x\n",
+						(val >> 0) & 0xff,
+						(val >> 8) & 0xff,
+						(val >> 16) & 0xff,
+						(val >> 24) & 0xff);
+
+			for (b = 0; b < 4; ++b) {
+				if (w < len)
+					buf[w] = (val >> (b * 8)) & 0xff;
+				/* we discard the 2 byte checksum */
+				++w;
+			}
+		}
+
+		return len;
+	} else {
+		DSSERR("\tunknown datatype 0x%02x\n", dt);
+		r = -EIO;
+		goto err;
+	}
+
+err:
+	DSSERR("dsi_vc_read_rx_fifo(ch %d type %s) failed\n", channel,
+		type == DSS_DSI_CONTENT_GENERIC ? "GENERIC" : "DCS");
+
+	return r;
+}
+
+static int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+		u8 *buf, int buflen)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int r;
+
+	r = dsi_vc_dcs_send_read_request(dsidev, channel, dcs_cmd);
+	if (r)
+		goto err;
+
+	r = dsi_vc_send_bta_sync(dssdev, channel);
+	if (r)
+		goto err;
+
+	r = dsi_vc_read_rx_fifo(dsidev, channel, buf, buflen,
+		DSS_DSI_CONTENT_DCS);
+	if (r < 0)
+		goto err;
+
+	if (r != buflen) {
+		r = -EIO;
+		goto err;
+	}
+
+	return 0;
+err:
+	DSSERR("dsi_vc_dcs_read(ch %d, cmd 0x%02x) failed\n", channel, dcs_cmd);
+	return r;
+}
+
+static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel,
+		u8 *reqdata, int reqlen, u8 *buf, int buflen)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	int r;
+
+	r = dsi_vc_generic_send_read_request(dsidev, channel, reqdata, reqlen);
+	if (r)
+		return r;
+
+	r = dsi_vc_send_bta_sync(dssdev, channel);
+	if (r)
+		return r;
+
+	r = dsi_vc_read_rx_fifo(dsidev, channel, buf, buflen,
+		DSS_DSI_CONTENT_GENERIC);
+	if (r < 0)
+		return r;
+
+	if (r != buflen) {
+		r = -EIO;
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
+		u16 len)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+
+	return dsi_vc_send_short(dsidev, channel,
+			MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, len, 0);
+}
+
+static int dsi_enter_ulps(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	DECLARE_COMPLETION_ONSTACK(completion);
+	int r, i;
+	unsigned mask;
+
+	DSSDBG("Entering ULPS");
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	WARN_ON(dsi->ulps_enabled);
+
+	if (dsi->ulps_enabled)
+		return 0;
+
+	/* DDR_CLK_ALWAYS_ON */
+	if (REG_GET(dsidev, DSI_CLK_CTRL, 13, 13)) {
+		dsi_if_enable(dsidev, 0);
+		REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 13, 13);
+		dsi_if_enable(dsidev, 1);
+	}
+
+	dsi_sync_vc(dsidev, 0);
+	dsi_sync_vc(dsidev, 1);
+	dsi_sync_vc(dsidev, 2);
+	dsi_sync_vc(dsidev, 3);
+
+	dsi_force_tx_stop_mode_io(dsidev);
+
+	dsi_vc_enable(dsidev, 0, false);
+	dsi_vc_enable(dsidev, 1, false);
+	dsi_vc_enable(dsidev, 2, false);
+	dsi_vc_enable(dsidev, 3, false);
+
+	if (REG_GET(dsidev, DSI_COMPLEXIO_CFG2, 16, 16)) {	/* HS_BUSY */
+		DSSERR("HS busy when enabling ULPS\n");
+		return -EIO;
+	}
+
+	if (REG_GET(dsidev, DSI_COMPLEXIO_CFG2, 17, 17)) {	/* LP_BUSY */
+		DSSERR("LP busy when enabling ULPS\n");
+		return -EIO;
+	}
+
+	r = dsi_register_isr_cio(dsidev, dsi_completion_handler, &completion,
+			DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
+	if (r)
+		return r;
+
+	mask = 0;
+
+	for (i = 0; i < dsi->num_lanes_supported; ++i) {
+		if (dsi->lanes[i].function == DSI_LANE_UNUSED)
+			continue;
+		mask |= 1 << i;
+	}
+	/* Assert TxRequestEsc for data lanes and TxUlpsClk for clk lane */
+	/* LANEx_ULPS_SIG2 */
+	REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG2, mask, 9, 5);
+
+	/* flush posted write and wait for SCP interface to finish the write */
+	dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG2);
+
+	if (wait_for_completion_timeout(&completion,
+				msecs_to_jiffies(1000)) == 0) {
+		DSSERR("ULPS enable timeout\n");
+		r = -EIO;
+		goto err;
+	}
+
+	dsi_unregister_isr_cio(dsidev, dsi_completion_handler, &completion,
+			DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
+
+	/* Reset LANEx_ULPS_SIG2 */
+	REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG2, 0, 9, 5);
+
+	/* flush posted write and wait for SCP interface to finish the write */
+	dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG2);
+
+	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ULPS);
+
+	dsi_if_enable(dsidev, false);
+
+	dsi->ulps_enabled = true;
+
+	return 0;
+
+err:
+	dsi_unregister_isr_cio(dsidev, dsi_completion_handler, &completion,
+			DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
+	return r;
+}
+
+static void dsi_set_lp_rx_timeout(struct platform_device *dsidev,
+		unsigned ticks, bool x4, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in DSI_FCK */
+	fck = dsi_fclk_rate(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING2);
+	r = FLD_MOD(r, 1, 15, 15);	/* LP_RX_TO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 14, 14);	/* LP_RX_TO_X16 */
+	r = FLD_MOD(r, x4 ? 1 : 0, 13, 13);	/* LP_RX_TO_X4 */
+	r = FLD_MOD(r, ticks, 12, 0);	/* LP_RX_COUNTER */
+	dsi_write_reg(dsidev, DSI_TIMING2, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+	DSSDBG("LP_RX_TO %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_set_ta_timeout(struct platform_device *dsidev, unsigned ticks,
+		bool x8, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in DSI_FCK */
+	fck = dsi_fclk_rate(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING1);
+	r = FLD_MOD(r, 1, 31, 31);	/* TA_TO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 30, 30);	/* TA_TO_X16 */
+	r = FLD_MOD(r, x8 ? 1 : 0, 29, 29);	/* TA_TO_X8 */
+	r = FLD_MOD(r, ticks, 28, 16);	/* TA_TO_COUNTER */
+	dsi_write_reg(dsidev, DSI_TIMING1, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x8 ? 8 : 1);
+
+	DSSDBG("TA_TO %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x8 ? " x8" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_set_stop_state_counter(struct platform_device *dsidev,
+		unsigned ticks, bool x4, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in DSI_FCK */
+	fck = dsi_fclk_rate(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING1);
+	r = FLD_MOD(r, 1, 15, 15);	/* FORCE_TX_STOP_MODE_IO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 14, 14);	/* STOP_STATE_X16_IO */
+	r = FLD_MOD(r, x4 ? 1 : 0, 13, 13);	/* STOP_STATE_X4_IO */
+	r = FLD_MOD(r, ticks, 12, 0);	/* STOP_STATE_COUNTER_IO */
+	dsi_write_reg(dsidev, DSI_TIMING1, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+	DSSDBG("STOP_STATE_COUNTER %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_set_hs_tx_timeout(struct platform_device *dsidev,
+		unsigned ticks, bool x4, bool x16)
+{
+	unsigned long fck;
+	unsigned long total_ticks;
+	u32 r;
+
+	BUG_ON(ticks > 0x1fff);
+
+	/* ticks in TxByteClkHS */
+	fck = dsi_get_txbyteclkhs(dsidev);
+
+	r = dsi_read_reg(dsidev, DSI_TIMING2);
+	r = FLD_MOD(r, 1, 31, 31);	/* HS_TX_TO */
+	r = FLD_MOD(r, x16 ? 1 : 0, 30, 30);	/* HS_TX_TO_X16 */
+	r = FLD_MOD(r, x4 ? 1 : 0, 29, 29);	/* HS_TX_TO_X8 (4 really) */
+	r = FLD_MOD(r, ticks, 28, 16);	/* HS_TX_TO_COUNTER */
+	dsi_write_reg(dsidev, DSI_TIMING2, r);
+
+	total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
+
+	DSSDBG("HS_TX_TO %lu ticks (%#x%s%s) = %lu ns\n",
+			total_ticks,
+			ticks, x4 ? " x4" : "", x16 ? " x16" : "",
+			(total_ticks * 1000) / (fck / 1000 / 1000));
+}
+
+static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int num_line_buffers;
+
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		int bpp = dsi_get_pixel_size(dsi->pix_fmt);
+		struct omap_video_timings *timings = &dsi->timings;
+		/*
+		 * Don't use line buffers if width is greater than the video
+		 * port's line buffer size
+		 */
+		if (dsi->line_buffer_size <= timings->x_res * bpp / 8)
+			num_line_buffers = 0;
+		else
+			num_line_buffers = 2;
+	} else {
+		/* Use maximum number of line buffers in command mode */
+		num_line_buffers = 2;
+	}
+
+	/* LINE_BUFFER */
+	REG_FLD_MOD(dsidev, DSI_CTRL, num_line_buffers, 13, 12);
+}
+
+static void dsi_config_vp_sync_events(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	bool sync_end;
+	u32 r;
+
+	if (dsi->vm_timings.trans_mode == OMAP_DSS_DSI_PULSE_MODE)
+		sync_end = true;
+	else
+		sync_end = false;
+
+	r = dsi_read_reg(dsidev, DSI_CTRL);
+	r = FLD_MOD(r, 1, 9, 9);		/* VP_DE_POL */
+	r = FLD_MOD(r, 1, 10, 10);		/* VP_HSYNC_POL */
+	r = FLD_MOD(r, 1, 11, 11);		/* VP_VSYNC_POL */
+	r = FLD_MOD(r, 1, 15, 15);		/* VP_VSYNC_START */
+	r = FLD_MOD(r, sync_end, 16, 16);	/* VP_VSYNC_END */
+	r = FLD_MOD(r, 1, 17, 17);		/* VP_HSYNC_START */
+	r = FLD_MOD(r, sync_end, 18, 18);	/* VP_HSYNC_END */
+	dsi_write_reg(dsidev, DSI_CTRL, r);
+}
+
+static void dsi_config_blanking_modes(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int blanking_mode = dsi->vm_timings.blanking_mode;
+	int hfp_blanking_mode = dsi->vm_timings.hfp_blanking_mode;
+	int hbp_blanking_mode = dsi->vm_timings.hbp_blanking_mode;
+	int hsa_blanking_mode = dsi->vm_timings.hsa_blanking_mode;
+	u32 r;
+
+	/*
+	 * 0 = TX FIFO packets sent or LPS in corresponding blanking periods
+	 * 1 = Long blanking packets are sent in corresponding blanking periods
+	 */
+	r = dsi_read_reg(dsidev, DSI_CTRL);
+	r = FLD_MOD(r, blanking_mode, 20, 20);		/* BLANKING_MODE */
+	r = FLD_MOD(r, hfp_blanking_mode, 21, 21);	/* HFP_BLANKING */
+	r = FLD_MOD(r, hbp_blanking_mode, 22, 22);	/* HBP_BLANKING */
+	r = FLD_MOD(r, hsa_blanking_mode, 23, 23);	/* HSA_BLANKING */
+	dsi_write_reg(dsidev, DSI_CTRL, r);
+}
+
+/*
+ * According to section 'HS Command Mode Interleaving' in OMAP TRM, Scenario 3
+ * results in maximum transition time for data and clock lanes to enter and
+ * exit HS mode. Hence, this is the scenario where the least amount of command
+ * mode data can be interleaved. We program the minimum amount of TXBYTECLKHS
+ * clock cycles that can be used to interleave command mode data in HS so that
+ * all scenarios are satisfied.
+ */
+static int dsi_compute_interleave_hs(int blank, bool ddr_alwon, int enter_hs,
+		int exit_hs, int exiths_clk, int ddr_pre, int ddr_post)
+{
+	int transition;
+
+	/*
+	 * If DDR_CLK_ALWAYS_ON is set, we need to consider HS mode transition
+	 * time of data lanes only, if it isn't set, we need to consider HS
+	 * transition time of both data and clock lanes. HS transition time
+	 * of Scenario 3 is considered.
+	 */
+	if (ddr_alwon) {
+		transition = enter_hs + exit_hs + max(enter_hs, 2) + 1;
+	} else {
+		int trans1, trans2;
+		trans1 = ddr_pre + enter_hs + exit_hs + max(enter_hs, 2) + 1;
+		trans2 = ddr_pre + enter_hs + exiths_clk + ddr_post + ddr_pre +
+				enter_hs + 1;
+		transition = max(trans1, trans2);
+	}
+
+	return blank > transition ? blank - transition : 0;
+}
+
+/*
+ * According to section 'LP Command Mode Interleaving' in OMAP TRM, Scenario 1
+ * results in maximum transition time for data lanes to enter and exit LP mode.
+ * Hence, this is the scenario where the least amount of command mode data can
+ * be interleaved. We program the minimum amount of bytes that can be
+ * interleaved in LP so that all scenarios are satisfied.
+ */
+static int dsi_compute_interleave_lp(int blank, int enter_hs, int exit_hs,
+		int lp_clk_div, int tdsi_fclk)
+{
+	int trans_lp;	/* time required for a LP transition, in TXBYTECLKHS */
+	int tlp_avail;	/* time left for interleaving commands, in CLKIN4DDR */
+	int ttxclkesc;	/* period of LP transmit escape clock, in CLKIN4DDR */
+	int thsbyte_clk = 16;	/* Period of TXBYTECLKHS clock, in CLKIN4DDR */
+	int lp_inter;	/* cmd mode data that can be interleaved, in bytes */
+
+	/* maximum LP transition time according to Scenario 1 */
+	trans_lp = exit_hs + max(enter_hs, 2) + 1;
+
+	/* CLKIN4DDR = 16 * TXBYTECLKHS */
+	tlp_avail = thsbyte_clk * (blank - trans_lp);
+
+	ttxclkesc = tdsi_fclk * lp_clk_div;
+
+	lp_inter = ((tlp_avail - 8 * thsbyte_clk - 5 * tdsi_fclk) / ttxclkesc -
+			26) / 16;
+
+	return max(lp_inter, 0);
+}
+
+static void dsi_config_cmd_mode_interleaving(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int blanking_mode;
+	int hfp_blanking_mode, hbp_blanking_mode, hsa_blanking_mode;
+	int hsa, hfp, hbp, width_bytes, bllp, lp_clk_div;
+	int ddr_clk_pre, ddr_clk_post, enter_hs_mode_lat, exit_hs_mode_lat;
+	int tclk_trail, ths_exit, exiths_clk;
+	bool ddr_alwon;
+	struct omap_video_timings *timings = &dsi->timings;
+	int bpp = dsi_get_pixel_size(dsi->pix_fmt);
+	int ndl = dsi->num_lanes_used - 1;
+	int dsi_fclk_hsdiv = dsi->user_dsi_cinfo.mX[HSDIV_DSI] + 1;
+	int hsa_interleave_hs = 0, hsa_interleave_lp = 0;
+	int hfp_interleave_hs = 0, hfp_interleave_lp = 0;
+	int hbp_interleave_hs = 0, hbp_interleave_lp = 0;
+	int bl_interleave_hs = 0, bl_interleave_lp = 0;
+	u32 r;
+
+	r = dsi_read_reg(dsidev, DSI_CTRL);
+	blanking_mode = FLD_GET(r, 20, 20);
+	hfp_blanking_mode = FLD_GET(r, 21, 21);
+	hbp_blanking_mode = FLD_GET(r, 22, 22);
+	hsa_blanking_mode = FLD_GET(r, 23, 23);
+
+	r = dsi_read_reg(dsidev, DSI_VM_TIMING1);
+	hbp = FLD_GET(r, 11, 0);
+	hfp = FLD_GET(r, 23, 12);
+	hsa = FLD_GET(r, 31, 24);
+
+	r = dsi_read_reg(dsidev, DSI_CLK_TIMING);
+	ddr_clk_post = FLD_GET(r, 7, 0);
+	ddr_clk_pre = FLD_GET(r, 15, 8);
+
+	r = dsi_read_reg(dsidev, DSI_VM_TIMING7);
+	exit_hs_mode_lat = FLD_GET(r, 15, 0);
+	enter_hs_mode_lat = FLD_GET(r, 31, 16);
+
+	r = dsi_read_reg(dsidev, DSI_CLK_CTRL);
+	lp_clk_div = FLD_GET(r, 12, 0);
+	ddr_alwon = FLD_GET(r, 13, 13);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+	ths_exit = FLD_GET(r, 7, 0);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+	tclk_trail = FLD_GET(r, 15, 8);
+
+	exiths_clk = ths_exit + tclk_trail;
+
+	width_bytes = DIV_ROUND_UP(timings->x_res * bpp, 8);
+	bllp = hbp + hfp + hsa + DIV_ROUND_UP(width_bytes + 6, ndl);
+
+	if (!hsa_blanking_mode) {
+		hsa_interleave_hs = dsi_compute_interleave_hs(hsa, ddr_alwon,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					exiths_clk, ddr_clk_pre, ddr_clk_post);
+		hsa_interleave_lp = dsi_compute_interleave_lp(hsa,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					lp_clk_div, dsi_fclk_hsdiv);
+	}
+
+	if (!hfp_blanking_mode) {
+		hfp_interleave_hs = dsi_compute_interleave_hs(hfp, ddr_alwon,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					exiths_clk, ddr_clk_pre, ddr_clk_post);
+		hfp_interleave_lp = dsi_compute_interleave_lp(hfp,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					lp_clk_div, dsi_fclk_hsdiv);
+	}
+
+	if (!hbp_blanking_mode) {
+		hbp_interleave_hs = dsi_compute_interleave_hs(hbp, ddr_alwon,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					exiths_clk, ddr_clk_pre, ddr_clk_post);
+
+		hbp_interleave_lp = dsi_compute_interleave_lp(hbp,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					lp_clk_div, dsi_fclk_hsdiv);
+	}
+
+	if (!blanking_mode) {
+		bl_interleave_hs = dsi_compute_interleave_hs(bllp, ddr_alwon,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					exiths_clk, ddr_clk_pre, ddr_clk_post);
+
+		bl_interleave_lp = dsi_compute_interleave_lp(bllp,
+					enter_hs_mode_lat, exit_hs_mode_lat,
+					lp_clk_div, dsi_fclk_hsdiv);
+	}
+
+	DSSDBG("DSI HS interleaving(TXBYTECLKHS) HSA %d, HFP %d, HBP %d, BLLP %d\n",
+		hsa_interleave_hs, hfp_interleave_hs, hbp_interleave_hs,
+		bl_interleave_hs);
+
+	DSSDBG("DSI LP interleaving(bytes) HSA %d, HFP %d, HBP %d, BLLP %d\n",
+		hsa_interleave_lp, hfp_interleave_lp, hbp_interleave_lp,
+		bl_interleave_lp);
+
+	r = dsi_read_reg(dsidev, DSI_VM_TIMING4);
+	r = FLD_MOD(r, hsa_interleave_hs, 23, 16);
+	r = FLD_MOD(r, hfp_interleave_hs, 15, 8);
+	r = FLD_MOD(r, hbp_interleave_hs, 7, 0);
+	dsi_write_reg(dsidev, DSI_VM_TIMING4, r);
+
+	r = dsi_read_reg(dsidev, DSI_VM_TIMING5);
+	r = FLD_MOD(r, hsa_interleave_lp, 23, 16);
+	r = FLD_MOD(r, hfp_interleave_lp, 15, 8);
+	r = FLD_MOD(r, hbp_interleave_lp, 7, 0);
+	dsi_write_reg(dsidev, DSI_VM_TIMING5, r);
+
+	r = dsi_read_reg(dsidev, DSI_VM_TIMING6);
+	r = FLD_MOD(r, bl_interleave_hs, 31, 15);
+	r = FLD_MOD(r, bl_interleave_lp, 16, 0);
+	dsi_write_reg(dsidev, DSI_VM_TIMING6, r);
+}
+
+static int dsi_proto_config(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	u32 r;
+	int buswidth = 0;
+
+	dsi_config_tx_fifo(dsidev, DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32);
+
+	dsi_config_rx_fifo(dsidev, DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32,
+			DSI_FIFO_SIZE_32);
+
+	/* XXX what values for the timeouts? */
+	dsi_set_stop_state_counter(dsidev, 0x1000, false, false);
+	dsi_set_ta_timeout(dsidev, 0x1fff, true, true);
+	dsi_set_lp_rx_timeout(dsidev, 0x1fff, true, true);
+	dsi_set_hs_tx_timeout(dsidev, 0x1fff, true, true);
+
+	switch (dsi_get_pixel_size(dsi->pix_fmt)) {
+	case 16:
+		buswidth = 0;
+		break;
+	case 18:
+		buswidth = 1;
+		break;
+	case 24:
+		buswidth = 2;
+		break;
+	default:
+		BUG();
+		return -EINVAL;
+	}
+
+	r = dsi_read_reg(dsidev, DSI_CTRL);
+	r = FLD_MOD(r, 1, 1, 1);	/* CS_RX_EN */
+	r = FLD_MOD(r, 1, 2, 2);	/* ECC_RX_EN */
+	r = FLD_MOD(r, 1, 3, 3);	/* TX_FIFO_ARBITRATION */
+	r = FLD_MOD(r, 1, 4, 4);	/* VP_CLK_RATIO, always 1, see errata*/
+	r = FLD_MOD(r, buswidth, 7, 6); /* VP_DATA_BUS_WIDTH */
+	r = FLD_MOD(r, 0, 8, 8);	/* VP_CLK_POL */
+	r = FLD_MOD(r, 1, 14, 14);	/* TRIGGER_RESET_MODE */
+	r = FLD_MOD(r, 1, 19, 19);	/* EOT_ENABLE */
+	if (!dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+		r = FLD_MOD(r, 1, 24, 24);	/* DCS_CMD_ENABLE */
+		/* DCS_CMD_CODE, 1=start, 0=continue */
+		r = FLD_MOD(r, 0, 25, 25);
+	}
+
+	dsi_write_reg(dsidev, DSI_CTRL, r);
+
+	dsi_config_vp_num_line_buffers(dsidev);
+
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		dsi_config_vp_sync_events(dsidev);
+		dsi_config_blanking_modes(dsidev);
+		dsi_config_cmd_mode_interleaving(dsidev);
+	}
+
+	dsi_vc_initial_config(dsidev, 0);
+	dsi_vc_initial_config(dsidev, 1);
+	dsi_vc_initial_config(dsidev, 2);
+	dsi_vc_initial_config(dsidev, 3);
+
+	return 0;
+}
+
+static void dsi_proto_timings(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	unsigned tlpx, tclk_zero, tclk_prepare;
+	unsigned tclk_pre, tclk_post;
+	unsigned ths_prepare, ths_prepare_ths_zero, ths_zero;
+	unsigned ths_trail, ths_exit;
+	unsigned ddr_clk_pre, ddr_clk_post;
+	unsigned enter_hs_mode_lat, exit_hs_mode_lat;
+	unsigned ths_eot;
+	int ndl = dsi->num_lanes_used - 1;
+	u32 r;
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+	ths_prepare = FLD_GET(r, 31, 24);
+	ths_prepare_ths_zero = FLD_GET(r, 23, 16);
+	ths_zero = ths_prepare_ths_zero - ths_prepare;
+	ths_trail = FLD_GET(r, 15, 8);
+	ths_exit = FLD_GET(r, 7, 0);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+	tlpx = FLD_GET(r, 20, 16) * 2;
+	tclk_zero = FLD_GET(r, 7, 0);
+
+	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
+	tclk_prepare = FLD_GET(r, 7, 0);
+
+	/* min 8*UI */
+	tclk_pre = 20;
+	/* min 60ns + 52*UI */
+	tclk_post = ns2ddr(dsidev, 60) + 26;
+
+	ths_eot = DIV_ROUND_UP(4, ndl);
+
+	ddr_clk_pre = DIV_ROUND_UP(tclk_pre + tlpx + tclk_zero + tclk_prepare,
+			4);
+	ddr_clk_post = DIV_ROUND_UP(tclk_post + ths_trail, 4) + ths_eot;
+
+	BUG_ON(ddr_clk_pre == 0 || ddr_clk_pre > 255);
+	BUG_ON(ddr_clk_post == 0 || ddr_clk_post > 255);
+
+	r = dsi_read_reg(dsidev, DSI_CLK_TIMING);
+	r = FLD_MOD(r, ddr_clk_pre, 15, 8);
+	r = FLD_MOD(r, ddr_clk_post, 7, 0);
+	dsi_write_reg(dsidev, DSI_CLK_TIMING, r);
+
+	DSSDBG("ddr_clk_pre %u, ddr_clk_post %u\n",
+			ddr_clk_pre,
+			ddr_clk_post);
+
+	enter_hs_mode_lat = 1 + DIV_ROUND_UP(tlpx, 4) +
+		DIV_ROUND_UP(ths_prepare, 4) +
+		DIV_ROUND_UP(ths_zero + 3, 4);
+
+	exit_hs_mode_lat = DIV_ROUND_UP(ths_trail + ths_exit, 4) + 1 + ths_eot;
+
+	r = FLD_VAL(enter_hs_mode_lat, 31, 16) |
+		FLD_VAL(exit_hs_mode_lat, 15, 0);
+	dsi_write_reg(dsidev, DSI_VM_TIMING7, r);
+
+	DSSDBG("enter_hs_mode_lat %u, exit_hs_mode_lat %u\n",
+			enter_hs_mode_lat, exit_hs_mode_lat);
+
+	 if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		/* TODO: Implement a video mode check_timings function */
+		int hsa = dsi->vm_timings.hsa;
+		int hfp = dsi->vm_timings.hfp;
+		int hbp = dsi->vm_timings.hbp;
+		int vsa = dsi->vm_timings.vsa;
+		int vfp = dsi->vm_timings.vfp;
+		int vbp = dsi->vm_timings.vbp;
+		int window_sync = dsi->vm_timings.window_sync;
+		bool hsync_end;
+		struct omap_video_timings *timings = &dsi->timings;
+		int bpp = dsi_get_pixel_size(dsi->pix_fmt);
+		int tl, t_he, width_bytes;
+
+		hsync_end = dsi->vm_timings.trans_mode == OMAP_DSS_DSI_PULSE_MODE;
+		t_he = hsync_end ?
+			((hsa == 0 && ndl == 3) ? 1 : DIV_ROUND_UP(4, ndl)) : 0;
+
+		width_bytes = DIV_ROUND_UP(timings->x_res * bpp, 8);
+
+		/* TL = t_HS + HSA + t_HE + HFP + ceil((WC + 6) / NDL) + HBP */
+		tl = DIV_ROUND_UP(4, ndl) + (hsync_end ? hsa : 0) + t_he + hfp +
+			DIV_ROUND_UP(width_bytes + 6, ndl) + hbp;
+
+		DSSDBG("HBP: %d, HFP: %d, HSA: %d, TL: %d TXBYTECLKHS\n", hbp,
+			hfp, hsync_end ? hsa : 0, tl);
+		DSSDBG("VBP: %d, VFP: %d, VSA: %d, VACT: %d lines\n", vbp, vfp,
+			vsa, timings->y_res);
+
+		r = dsi_read_reg(dsidev, DSI_VM_TIMING1);
+		r = FLD_MOD(r, hbp, 11, 0);	/* HBP */
+		r = FLD_MOD(r, hfp, 23, 12);	/* HFP */
+		r = FLD_MOD(r, hsync_end ? hsa : 0, 31, 24);	/* HSA */
+		dsi_write_reg(dsidev, DSI_VM_TIMING1, r);
+
+		r = dsi_read_reg(dsidev, DSI_VM_TIMING2);
+		r = FLD_MOD(r, vbp, 7, 0);	/* VBP */
+		r = FLD_MOD(r, vfp, 15, 8);	/* VFP */
+		r = FLD_MOD(r, vsa, 23, 16);	/* VSA */
+		r = FLD_MOD(r, window_sync, 27, 24);	/* WINDOW_SYNC */
+		dsi_write_reg(dsidev, DSI_VM_TIMING2, r);
+
+		r = dsi_read_reg(dsidev, DSI_VM_TIMING3);
+		r = FLD_MOD(r, timings->y_res, 14, 0);	/* VACT */
+		r = FLD_MOD(r, tl, 31, 16);		/* TL */
+		dsi_write_reg(dsidev, DSI_VM_TIMING3, r);
+	}
+}
+
+static int dsi_configure_pins(struct omap_dss_device *dssdev,
+		const struct omap_dsi_pin_config *pin_cfg)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int num_pins;
+	const int *pins;
+	struct dsi_lane_config lanes[DSI_MAX_NR_LANES];
+	int num_lanes;
+	int i;
+
+	static const enum dsi_lane_function functions[] = {
+		DSI_LANE_CLK,
+		DSI_LANE_DATA1,
+		DSI_LANE_DATA2,
+		DSI_LANE_DATA3,
+		DSI_LANE_DATA4,
+	};
+
+	num_pins = pin_cfg->num_pins;
+	pins = pin_cfg->pins;
+
+	if (num_pins < 4 || num_pins > dsi->num_lanes_supported * 2
+			|| num_pins % 2 != 0)
+		return -EINVAL;
+
+	for (i = 0; i < DSI_MAX_NR_LANES; ++i)
+		lanes[i].function = DSI_LANE_UNUSED;
+
+	num_lanes = 0;
+
+	for (i = 0; i < num_pins; i += 2) {
+		u8 lane, pol;
+		int dx, dy;
+
+		dx = pins[i];
+		dy = pins[i + 1];
+
+		if (dx < 0 || dx >= dsi->num_lanes_supported * 2)
+			return -EINVAL;
+
+		if (dy < 0 || dy >= dsi->num_lanes_supported * 2)
+			return -EINVAL;
+
+		if (dx & 1) {
+			if (dy != dx - 1)
+				return -EINVAL;
+			pol = 1;
+		} else {
+			if (dy != dx + 1)
+				return -EINVAL;
+			pol = 0;
+		}
+
+		lane = dx / 2;
+
+		lanes[lane].function = functions[i / 2];
+		lanes[lane].polarity = pol;
+		num_lanes++;
+	}
+
+	memcpy(dsi->lanes, lanes, sizeof(dsi->lanes));
+	dsi->num_lanes_used = num_lanes;
+
+	return 0;
+}
+
+static int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dsi->output.manager;
+	int bpp = dsi_get_pixel_size(dsi->pix_fmt);
+	struct omap_dss_device *out = &dsi->output;
+	u8 data_type;
+	u16 word_count;
+	int r;
+
+	if (out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
+		return -ENODEV;
+	}
+
+	r = dsi_display_init_dispc(dsidev, mgr);
+	if (r)
+		goto err_init_dispc;
+
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		switch (dsi->pix_fmt) {
+		case OMAP_DSS_DSI_FMT_RGB888:
+			data_type = MIPI_DSI_PACKED_PIXEL_STREAM_24;
+			break;
+		case OMAP_DSS_DSI_FMT_RGB666:
+			data_type = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
+			break;
+		case OMAP_DSS_DSI_FMT_RGB666_PACKED:
+			data_type = MIPI_DSI_PACKED_PIXEL_STREAM_18;
+			break;
+		case OMAP_DSS_DSI_FMT_RGB565:
+			data_type = MIPI_DSI_PACKED_PIXEL_STREAM_16;
+			break;
+		default:
+			r = -EINVAL;
+			goto err_pix_fmt;
+		}
+
+		dsi_if_enable(dsidev, false);
+		dsi_vc_enable(dsidev, channel, false);
+
+		/* MODE, 1 = video mode */
+		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 4, 4);
+
+		word_count = DIV_ROUND_UP(dsi->timings.x_res * bpp, 8);
+
+		dsi_vc_write_long_header(dsidev, channel, data_type,
+				word_count, 0);
+
+		dsi_vc_enable(dsidev, channel, true);
+		dsi_if_enable(dsidev, true);
+	}
+
+	r = dss_mgr_enable(mgr);
+	if (r)
+		goto err_mgr_enable;
+
+	return 0;
+
+err_mgr_enable:
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		dsi_if_enable(dsidev, false);
+		dsi_vc_enable(dsidev, channel, false);
+	}
+err_pix_fmt:
+	dsi_display_uninit_dispc(dsidev, mgr);
+err_init_dispc:
+	return r;
+}
+
+static void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dsi->output.manager;
+
+	if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
+		dsi_if_enable(dsidev, false);
+		dsi_vc_enable(dsidev, channel, false);
+
+		/* MODE, 0 = command mode */
+		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 0, 4, 4);
+
+		dsi_vc_enable(dsidev, channel, true);
+		dsi_if_enable(dsidev, true);
+	}
+
+	dss_mgr_disable(mgr);
+
+	dsi_display_uninit_dispc(dsidev, mgr);
+}
+
+static void dsi_update_screen_dispc(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_overlay_manager *mgr = dsi->output.manager;
+	unsigned bytespp;
+	unsigned bytespl;
+	unsigned bytespf;
+	unsigned total_len;
+	unsigned packet_payload;
+	unsigned packet_len;
+	u32 l;
+	int r;
+	const unsigned channel = dsi->update_channel;
+	const unsigned line_buf_size = dsi->line_buffer_size;
+	u16 w = dsi->timings.x_res;
+	u16 h = dsi->timings.y_res;
+
+	DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h);
+
+	dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_VP);
+
+	bytespp	= dsi_get_pixel_size(dsi->pix_fmt) / 8;
+	bytespl = w * bytespp;
+	bytespf = bytespl * h;
+
+	/* NOTE: packet_payload has to be equal to N * bytespl, where N is
+	 * number of lines in a packet.  See errata about VP_CLK_RATIO */
+
+	if (bytespf < line_buf_size)
+		packet_payload = bytespf;
+	else
+		packet_payload = (line_buf_size) / bytespl * bytespl;
+
+	packet_len = packet_payload + 1;	/* 1 byte for DCS cmd */
+	total_len = (bytespf / packet_payload) * packet_len;
+
+	if (bytespf % packet_payload)
+		total_len += (bytespf % packet_payload) + 1;
+
+	l = FLD_VAL(total_len, 23, 0); /* TE_SIZE */
+	dsi_write_reg(dsidev, DSI_VC_TE(channel), l);
+
+	dsi_vc_write_long_header(dsidev, channel, MIPI_DSI_DCS_LONG_WRITE,
+		packet_len, 0);
+
+	if (dsi->te_enabled)
+		l = FLD_MOD(l, 1, 30, 30); /* TE_EN */
+	else
+		l = FLD_MOD(l, 1, 31, 31); /* TE_START */
+	dsi_write_reg(dsidev, DSI_VC_TE(channel), l);
+
+	/* We put SIDLEMODE to no-idle for the duration of the transfer,
+	 * because DSS interrupts are not capable of waking up the CPU and the
+	 * framedone interrupt could be delayed for quite a long time. I think
+	 * the same goes for any DSS interrupts, but for some reason I have not
+	 * seen the problem anywhere else than here.
+	 */
+	dispc_disable_sidle();
+
+	dsi_perf_mark_start(dsidev);
+
+	r = schedule_delayed_work(&dsi->framedone_timeout_work,
+		msecs_to_jiffies(250));
+	BUG_ON(r == 0);
+
+	dss_mgr_set_timings(mgr, &dsi->timings);
+
+	dss_mgr_start_update(mgr);
+
+	if (dsi->te_enabled) {
+		/* disable LP_RX_TO, so that we can receive TE.  Time to wait
+		 * for TE is longer than the timer allows */
+		REG_FLD_MOD(dsidev, DSI_TIMING2, 0, 15, 15); /* LP_RX_TO */
+
+		dsi_vc_send_bta(dsidev, channel);
+
+#ifdef DSI_CATCH_MISSING_TE
+		mod_timer(&dsi->te_timer, jiffies + msecs_to_jiffies(250));
+#endif
+	}
+}
+
+#ifdef DSI_CATCH_MISSING_TE
+static void dsi_te_timeout(struct timer_list *unused)
+{
+	DSSERR("TE not received for 250ms!\n");
+}
+#endif
+
+static void dsi_handle_framedone(struct platform_device *dsidev, int error)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* SIDLEMODE back to smart-idle */
+	dispc_enable_sidle();
+
+	if (dsi->te_enabled) {
+		/* enable LP_RX_TO again after the TE */
+		REG_FLD_MOD(dsidev, DSI_TIMING2, 1, 15, 15); /* LP_RX_TO */
+	}
+
+	dsi->framedone_callback(error, dsi->framedone_data);
+
+	if (!error)
+		dsi_perf_show(dsidev, "DISPC");
+}
+
+static void dsi_framedone_timeout_work_callback(struct work_struct *work)
+{
+	struct dsi_data *dsi = container_of(work, struct dsi_data,
+			framedone_timeout_work.work);
+	/* XXX While extremely unlikely, we could get FRAMEDONE interrupt after
+	 * 250ms which would conflict with this timeout work. What should be
+	 * done is first cancel the transfer on the HW, and then cancel the
+	 * possibly scheduled framedone work. However, cancelling the transfer
+	 * on the HW is buggy, and would probably require resetting the whole
+	 * DSI */
+
+	DSSERR("Framedone not received for 250ms!\n");
+
+	dsi_handle_framedone(dsi->pdev, -ETIMEDOUT);
+}
+
+static void dsi_framedone_irq_callback(void *data)
+{
+	struct platform_device *dsidev = (struct platform_device *) data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	/* Note: We get FRAMEDONE when DISPC has finished sending pixels and
+	 * turns itself off. However, DSI still has the pixels in its buffers,
+	 * and is sending the data.
+	 */
+
+	cancel_delayed_work(&dsi->framedone_timeout_work);
+
+	dsi_handle_framedone(dsidev, 0);
+}
+
+static int dsi_update(struct omap_dss_device *dssdev, int channel,
+		void (*callback)(int, void *), void *data)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	dsi_perf_mark_setup(dsidev);
+
+	dsi->update_channel = channel;
+
+	dsi->framedone_callback = callback;
+	dsi->framedone_data = data;
+
+#ifdef DSI_PERF_MEASURE
+	dsi->update_bytes = dsi->timings.x_res * dsi->timings.y_res *
+		dsi_get_pixel_size(dsi->pix_fmt) / 8;
+#endif
+	dsi_update_screen_dispc(dsidev);
+
+	return 0;
+}
+
+/* Display funcs */
+
+static int dsi_configure_dispc_clocks(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dispc_clock_info dispc_cinfo;
+	int r;
+	unsigned long fck;
+
+	fck = dsi_get_pll_hsdiv_dispc_rate(dsidev);
+
+	dispc_cinfo.lck_div = dsi->user_dispc_cinfo.lck_div;
+	dispc_cinfo.pck_div = dsi->user_dispc_cinfo.pck_div;
+
+	r = dispc_calc_clock_rates(fck, &dispc_cinfo);
+	if (r) {
+		DSSERR("Failed to calc dispc clocks\n");
+		return r;
+	}
+
+	dsi->mgr_config.clock_info = dispc_cinfo;
+
+	return 0;
+}
+
+static int dsi_display_init_dispc(struct platform_device *dsidev,
+		struct omap_overlay_manager *mgr)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+
+	dss_select_lcd_clk_source(mgr->id, dsi->module_id == 0 ?
+			OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC :
+			OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC);
+
+	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) {
+		r = dss_mgr_register_framedone_handler(mgr,
+				dsi_framedone_irq_callback, dsidev);
+		if (r) {
+			DSSERR("can't register FRAMEDONE handler\n");
+			goto err;
+		}
+
+		dsi->mgr_config.stallmode = true;
+		dsi->mgr_config.fifohandcheck = true;
+	} else {
+		dsi->mgr_config.stallmode = false;
+		dsi->mgr_config.fifohandcheck = false;
+	}
+
+	/*
+	 * override interlace, logic level and edge related parameters in
+	 * omap_video_timings with default values
+	 */
+	dsi->timings.interlace = false;
+	dsi->timings.hsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	dsi->timings.vsync_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	dsi->timings.data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+	dsi->timings.de_level = OMAPDSS_SIG_ACTIVE_HIGH;
+	dsi->timings.sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE;
+
+	dss_mgr_set_timings(mgr, &dsi->timings);
+
+	r = dsi_configure_dispc_clocks(dsidev);
+	if (r)
+		goto err1;
+
+	dsi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
+	dsi->mgr_config.video_port_width =
+			dsi_get_pixel_size(dsi->pix_fmt);
+	dsi->mgr_config.lcden_sig_polarity = 0;
+
+	dss_mgr_set_lcd_config(mgr, &dsi->mgr_config);
+
+	return 0;
+err1:
+	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
+		dss_mgr_unregister_framedone_handler(mgr,
+				dsi_framedone_irq_callback, dsidev);
+err:
+	dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
+	return r;
+}
+
+static void dsi_display_uninit_dispc(struct platform_device *dsidev,
+		struct omap_overlay_manager *mgr)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
+		dss_mgr_unregister_framedone_handler(mgr,
+				dsi_framedone_irq_callback, dsidev);
+
+	dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
+}
+
+static int dsi_configure_dsi_clocks(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dss_pll_clock_info cinfo;
+	int r;
+
+	cinfo = dsi->user_dsi_cinfo;
+
+	r = dss_pll_set_config(&dsi->pll, &cinfo);
+	if (r) {
+		DSSERR("Failed to set dsi clocks\n");
+		return r;
+	}
+
+	return 0;
+}
+
+static int dsi_display_init_dsi(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r;
+
+	r = dss_pll_enable(&dsi->pll);
+	if (r)
+		goto err0;
+
+	r = dsi_configure_dsi_clocks(dsidev);
+	if (r)
+		goto err1;
+
+	dss_select_dsi_clk_source(dsi->module_id, dsi->module_id == 0 ?
+			OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI :
+			OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI);
+
+	DSSDBG("PLL OK\n");
+
+	r = dsi_cio_init(dsidev);
+	if (r)
+		goto err2;
+
+	_dsi_print_reset_status(dsidev);
+
+	dsi_proto_timings(dsidev);
+	dsi_set_lp_clk_divisor(dsidev);
+
+	if (1)
+		_dsi_print_reset_status(dsidev);
+
+	r = dsi_proto_config(dsidev);
+	if (r)
+		goto err3;
+
+	/* enable interface */
+	dsi_vc_enable(dsidev, 0, 1);
+	dsi_vc_enable(dsidev, 1, 1);
+	dsi_vc_enable(dsidev, 2, 1);
+	dsi_vc_enable(dsidev, 3, 1);
+	dsi_if_enable(dsidev, 1);
+	dsi_force_tx_stop_mode_io(dsidev);
+
+	return 0;
+err3:
+	dsi_cio_uninit(dsidev);
+err2:
+	dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK);
+err1:
+	dss_pll_disable(&dsi->pll);
+err0:
+	return r;
+}
+
+static void dsi_display_uninit_dsi(struct platform_device *dsidev,
+		bool disconnect_lanes, bool enter_ulps)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (enter_ulps && !dsi->ulps_enabled)
+		dsi_enter_ulps(dsidev);
+
+	/* disable interface */
+	dsi_if_enable(dsidev, 0);
+	dsi_vc_enable(dsidev, 0, 0);
+	dsi_vc_enable(dsidev, 1, 0);
+	dsi_vc_enable(dsidev, 2, 0);
+	dsi_vc_enable(dsidev, 3, 0);
+
+	dss_select_dsi_clk_source(dsi->module_id, OMAP_DSS_CLK_SRC_FCK);
+	dsi_cio_uninit(dsidev);
+	dsi_pll_uninit(dsidev, disconnect_lanes);
+}
+
+static int dsi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int r = 0;
+
+	DSSDBG("dsi_display_enable\n");
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	mutex_lock(&dsi->lock);
+
+	r = dsi_runtime_get(dsidev);
+	if (r)
+		goto err_get_dsi;
+
+	_dsi_initialize_irq(dsidev);
+
+	r = dsi_display_init_dsi(dsidev);
+	if (r)
+		goto err_init_dsi;
+
+	mutex_unlock(&dsi->lock);
+
+	return 0;
+
+err_init_dsi:
+	dsi_runtime_put(dsidev);
+err_get_dsi:
+	mutex_unlock(&dsi->lock);
+	DSSDBG("dsi_display_enable FAILED\n");
+	return r;
+}
+
+static void dsi_display_disable(struct omap_dss_device *dssdev,
+		bool disconnect_lanes, bool enter_ulps)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	DSSDBG("dsi_display_disable\n");
+
+	WARN_ON(!dsi_bus_is_locked(dsidev));
+
+	mutex_lock(&dsi->lock);
+
+	dsi_sync_vc(dsidev, 0);
+	dsi_sync_vc(dsidev, 1);
+	dsi_sync_vc(dsidev, 2);
+	dsi_sync_vc(dsidev, 3);
+
+	dsi_display_uninit_dsi(dsidev, disconnect_lanes, enter_ulps);
+
+	dsi_runtime_put(dsidev);
+
+	mutex_unlock(&dsi->lock);
+}
+
+static int dsi_enable_te(struct omap_dss_device *dssdev, bool enable)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	dsi->te_enabled = enable;
+	return 0;
+}
+
+#ifdef PRINT_VERBOSE_VM_TIMINGS
+static void print_dsi_vm(const char *str,
+		const struct omap_dss_dsi_videomode_timings *t)
+{
+	unsigned long byteclk = t->hsclk / 4;
+	int bl, wc, pps, tot;
+
+	wc = DIV_ROUND_UP(t->hact * t->bitspp, 8);
+	pps = DIV_ROUND_UP(wc + 6, t->ndl); /* pixel packet size */
+	bl = t->hss + t->hsa + t->hse + t->hbp + t->hfp;
+	tot = bl + pps;
+
+#define TO_DSI_T(x) ((u32)div64_u64((u64)x * 1000000000llu, byteclk))
+
+	pr_debug("%s bck %lu, %u/%u/%u/%u/%u/%u = %u+%u = %u, "
+			"%u/%u/%u/%u/%u/%u = %u + %u = %u\n",
+			str,
+			byteclk,
+			t->hss, t->hsa, t->hse, t->hbp, pps, t->hfp,
+			bl, pps, tot,
+			TO_DSI_T(t->hss),
+			TO_DSI_T(t->hsa),
+			TO_DSI_T(t->hse),
+			TO_DSI_T(t->hbp),
+			TO_DSI_T(pps),
+			TO_DSI_T(t->hfp),
+
+			TO_DSI_T(bl),
+			TO_DSI_T(pps),
+
+			TO_DSI_T(tot));
+#undef TO_DSI_T
+}
+
+static void print_dispc_vm(const char *str, const struct omap_video_timings *t)
+{
+	unsigned long pck = t->pixelclock;
+	int hact, bl, tot;
+
+	hact = t->x_res;
+	bl = t->hsw + t->hbp + t->hfp;
+	tot = hact + bl;
+
+#define TO_DISPC_T(x) ((u32)div64_u64((u64)x * 1000000000llu, pck))
+
+	pr_debug("%s pck %lu, %u/%u/%u/%u = %u+%u = %u, "
+			"%u/%u/%u/%u = %u + %u = %u\n",
+			str,
+			pck,
+			t->hsw, t->hbp, hact, t->hfp,
+			bl, hact, tot,
+			TO_DISPC_T(t->hsw),
+			TO_DISPC_T(t->hbp),
+			TO_DISPC_T(hact),
+			TO_DISPC_T(t->hfp),
+			TO_DISPC_T(bl),
+			TO_DISPC_T(hact),
+			TO_DISPC_T(tot));
+#undef TO_DISPC_T
+}
+
+/* note: this is not quite accurate */
+static void print_dsi_dispc_vm(const char *str,
+		const struct omap_dss_dsi_videomode_timings *t)
+{
+	struct omap_video_timings vm = { 0 };
+	unsigned long byteclk = t->hsclk / 4;
+	unsigned long pck;
+	u64 dsi_tput;
+	int dsi_hact, dsi_htot;
+
+	dsi_tput = (u64)byteclk * t->ndl * 8;
+	pck = (u32)div64_u64(dsi_tput, t->bitspp);
+	dsi_hact = DIV_ROUND_UP(DIV_ROUND_UP(t->hact * t->bitspp, 8) + 6, t->ndl);
+	dsi_htot = t->hss + t->hsa + t->hse + t->hbp + dsi_hact + t->hfp;
+
+	vm.pixelclock = pck;
+	vm.hsw = div64_u64((u64)(t->hsa + t->hse) * pck, byteclk);
+	vm.hbp = div64_u64((u64)t->hbp * pck, byteclk);
+	vm.hfp = div64_u64((u64)t->hfp * pck, byteclk);
+	vm.x_res = t->hact;
+
+	print_dispc_vm(str, &vm);
+}
+#endif /* PRINT_VERBOSE_VM_TIMINGS */
+
+static bool dsi_cm_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
+		unsigned long pck, void *data)
+{
+	struct dsi_clk_calc_ctx *ctx = data;
+	struct omap_video_timings *t = &ctx->dispc_vm;
+
+	ctx->dispc_cinfo.lck_div = lckd;
+	ctx->dispc_cinfo.pck_div = pckd;
+	ctx->dispc_cinfo.lck = lck;
+	ctx->dispc_cinfo.pck = pck;
+
+	*t = *ctx->config->timings;
+	t->pixelclock = pck;
+	t->x_res = ctx->config->timings->x_res;
+	t->y_res = ctx->config->timings->y_res;
+	t->hsw = t->hfp = t->hbp = t->vsw = 1;
+	t->vfp = t->vbp = 0;
+
+	return true;
+}
+
+static bool dsi_cm_calc_hsdiv_cb(int m_dispc, unsigned long dispc,
+		void *data)
+{
+	struct dsi_clk_calc_ctx *ctx = data;
+
+	ctx->dsi_cinfo.mX[HSDIV_DISPC] = m_dispc;
+	ctx->dsi_cinfo.clkout[HSDIV_DISPC] = dispc;
+
+	return dispc_div_calc(dispc, ctx->req_pck_min, ctx->req_pck_max,
+			dsi_cm_calc_dispc_cb, ctx);
+}
+
+static bool dsi_cm_calc_pll_cb(int n, int m, unsigned long fint,
+		unsigned long clkdco, void *data)
+{
+	struct dsi_clk_calc_ctx *ctx = data;
+
+	ctx->dsi_cinfo.n = n;
+	ctx->dsi_cinfo.m = m;
+	ctx->dsi_cinfo.fint = fint;
+	ctx->dsi_cinfo.clkdco = clkdco;
+
+	return dss_pll_hsdiv_calc(ctx->pll, clkdco, ctx->req_pck_min,
+			dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+			dsi_cm_calc_hsdiv_cb, ctx);
+}
+
+static bool dsi_cm_calc(struct dsi_data *dsi,
+		const struct omap_dss_dsi_config *cfg,
+		struct dsi_clk_calc_ctx *ctx)
+{
+	unsigned long clkin;
+	int bitspp, ndl;
+	unsigned long pll_min, pll_max;
+	unsigned long pck, txbyteclk;
+
+	clkin = clk_get_rate(dsi->pll.clkin);
+	bitspp = dsi_get_pixel_size(cfg->pixel_format);
+	ndl = dsi->num_lanes_used - 1;
+
+	/*
+	 * Here we should calculate minimum txbyteclk to be able to send the
+	 * frame in time, and also to handle TE. That's not very simple, though,
+	 * especially as we go to LP between each pixel packet due to HW
+	 * "feature". So let's just estimate very roughly and multiply by 1.5.
+	 */
+	pck = cfg->timings->pixelclock;
+	pck = pck * 3 / 2;
+	txbyteclk = pck * bitspp / 8 / ndl;
+
+	memset(ctx, 0, sizeof(*ctx));
+	ctx->dsidev = dsi->pdev;
+	ctx->pll = &dsi->pll;
+	ctx->config = cfg;
+	ctx->req_pck_min = pck;
+	ctx->req_pck_nom = pck;
+	ctx->req_pck_max = pck * 3 / 2;
+
+	pll_min = max(cfg->hs_clk_min * 4, txbyteclk * 4 * 4);
+	pll_max = cfg->hs_clk_max * 4;
+
+	return dss_pll_calc(ctx->pll, clkin,
+			pll_min, pll_max,
+			dsi_cm_calc_pll_cb, ctx);
+}
+
+static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(ctx->dsidev);
+	const struct omap_dss_dsi_config *cfg = ctx->config;
+	int bitspp = dsi_get_pixel_size(cfg->pixel_format);
+	int ndl = dsi->num_lanes_used - 1;
+	unsigned long hsclk = ctx->dsi_cinfo.clkdco / 4;
+	unsigned long byteclk = hsclk / 4;
+
+	unsigned long dispc_pck, req_pck_min, req_pck_nom, req_pck_max;
+	int xres;
+	int panel_htot, panel_hbl; /* pixels */
+	int dispc_htot, dispc_hbl; /* pixels */
+	int dsi_htot, dsi_hact, dsi_hbl, hss, hse; /* byteclks */
+	int hfp, hsa, hbp;
+	const struct omap_video_timings *req_vm;
+	struct omap_video_timings *dispc_vm;
+	struct omap_dss_dsi_videomode_timings *dsi_vm;
+	u64 dsi_tput, dispc_tput;
+
+	dsi_tput = (u64)byteclk * ndl * 8;
+
+	req_vm = cfg->timings;
+	req_pck_min = ctx->req_pck_min;
+	req_pck_max = ctx->req_pck_max;
+	req_pck_nom = ctx->req_pck_nom;
+
+	dispc_pck = ctx->dispc_cinfo.pck;
+	dispc_tput = (u64)dispc_pck * bitspp;
+
+	xres = req_vm->x_res;
+
+	panel_hbl = req_vm->hfp + req_vm->hbp + req_vm->hsw;
+	panel_htot = xres + panel_hbl;
+
+	dsi_hact = DIV_ROUND_UP(DIV_ROUND_UP(xres * bitspp, 8) + 6, ndl);
+
+	/*
+	 * When there are no line buffers, DISPC and DSI must have the
+	 * same tput. Otherwise DISPC tput needs to be higher than DSI's.
+	 */
+	if (dsi->line_buffer_size < xres * bitspp / 8) {
+		if (dispc_tput != dsi_tput)
+			return false;
+	} else {
+		if (dispc_tput < dsi_tput)
+			return false;
+	}
+
+	/* DSI tput must be over the min requirement */
+	if (dsi_tput < (u64)bitspp * req_pck_min)
+		return false;
+
+	/* When non-burst mode, DSI tput must be below max requirement. */
+	if (cfg->trans_mode != OMAP_DSS_DSI_BURST_MODE) {
+		if (dsi_tput > (u64)bitspp * req_pck_max)
+			return false;
+	}
+
+	hss = DIV_ROUND_UP(4, ndl);
+
+	if (cfg->trans_mode == OMAP_DSS_DSI_PULSE_MODE) {
+		if (ndl == 3 && req_vm->hsw == 0)
+			hse = 1;
+		else
+			hse = DIV_ROUND_UP(4, ndl);
+	} else {
+		hse = 0;
+	}
+
+	/* DSI htot to match the panel's nominal pck */
+	dsi_htot = div64_u64((u64)panel_htot * byteclk, req_pck_nom);
+
+	/* fail if there would be no time for blanking */
+	if (dsi_htot < hss + hse + dsi_hact)
+		return false;
+
+	/* total DSI blanking needed to achieve panel's TL */
+	dsi_hbl = dsi_htot - dsi_hact;
+
+	/* DISPC htot to match the DSI TL */
+	dispc_htot = div64_u64((u64)dsi_htot * dispc_pck, byteclk);
+
+	/* verify that the DSI and DISPC TLs are the same */
+	if ((u64)dsi_htot * dispc_pck != (u64)dispc_htot * byteclk)
+		return false;
+
+	dispc_hbl = dispc_htot - xres;
+
+	/* setup DSI videomode */
+
+	dsi_vm = &ctx->dsi_vm;
+	memset(dsi_vm, 0, sizeof(*dsi_vm));
+
+	dsi_vm->hsclk = hsclk;
+
+	dsi_vm->ndl = ndl;
+	dsi_vm->bitspp = bitspp;
+
+	if (cfg->trans_mode != OMAP_DSS_DSI_PULSE_MODE) {
+		hsa = 0;
+	} else if (ndl == 3 && req_vm->hsw == 0) {
+		hsa = 0;
+	} else {
+		hsa = div64_u64((u64)req_vm->hsw * byteclk, req_pck_nom);
+		hsa = max(hsa - hse, 1);
+	}
+
+	hbp = div64_u64((u64)req_vm->hbp * byteclk, req_pck_nom);
+	hbp = max(hbp, 1);
+
+	hfp = dsi_hbl - (hss + hsa + hse + hbp);
+	if (hfp < 1) {
+		int t;
+		/* we need to take cycles from hbp */
+
+		t = 1 - hfp;
+		hbp = max(hbp - t, 1);
+		hfp = dsi_hbl - (hss + hsa + hse + hbp);
+
+		if (hfp < 1 && hsa > 0) {
+			/* we need to take cycles from hsa */
+			t = 1 - hfp;
+			hsa = max(hsa - t, 1);
+			hfp = dsi_hbl - (hss + hsa + hse + hbp);
+		}
+	}
+
+	if (hfp < 1)
+		return false;
+
+	dsi_vm->hss = hss;
+	dsi_vm->hsa = hsa;
+	dsi_vm->hse = hse;
+	dsi_vm->hbp = hbp;
+	dsi_vm->hact = xres;
+	dsi_vm->hfp = hfp;
+
+	dsi_vm->vsa = req_vm->vsw;
+	dsi_vm->vbp = req_vm->vbp;
+	dsi_vm->vact = req_vm->y_res;
+	dsi_vm->vfp = req_vm->vfp;
+
+	dsi_vm->trans_mode = cfg->trans_mode;
+
+	dsi_vm->blanking_mode = 0;
+	dsi_vm->hsa_blanking_mode = 1;
+	dsi_vm->hfp_blanking_mode = 1;
+	dsi_vm->hbp_blanking_mode = 1;
+
+	dsi_vm->ddr_clk_always_on = cfg->ddr_clk_always_on;
+	dsi_vm->window_sync = 4;
+
+	/* setup DISPC videomode */
+
+	dispc_vm = &ctx->dispc_vm;
+	*dispc_vm = *req_vm;
+	dispc_vm->pixelclock = dispc_pck;
+
+	if (cfg->trans_mode == OMAP_DSS_DSI_PULSE_MODE) {
+		hsa = div64_u64((u64)req_vm->hsw * dispc_pck,
+				req_pck_nom);
+		hsa = max(hsa, 1);
+	} else {
+		hsa = 1;
+	}
+
+	hbp = div64_u64((u64)req_vm->hbp * dispc_pck, req_pck_nom);
+	hbp = max(hbp, 1);
+
+	hfp = dispc_hbl - hsa - hbp;
+	if (hfp < 1) {
+		int t;
+		/* we need to take cycles from hbp */
+
+		t = 1 - hfp;
+		hbp = max(hbp - t, 1);
+		hfp = dispc_hbl - hsa - hbp;
+
+		if (hfp < 1) {
+			/* we need to take cycles from hsa */
+			t = 1 - hfp;
+			hsa = max(hsa - t, 1);
+			hfp = dispc_hbl - hsa - hbp;
+		}
+	}
+
+	if (hfp < 1)
+		return false;
+
+	dispc_vm->hfp = hfp;
+	dispc_vm->hsw = hsa;
+	dispc_vm->hbp = hbp;
+
+	return true;
+}
+
+
+static bool dsi_vm_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
+		unsigned long pck, void *data)
+{
+	struct dsi_clk_calc_ctx *ctx = data;
+
+	ctx->dispc_cinfo.lck_div = lckd;
+	ctx->dispc_cinfo.pck_div = pckd;
+	ctx->dispc_cinfo.lck = lck;
+	ctx->dispc_cinfo.pck = pck;
+
+	if (dsi_vm_calc_blanking(ctx) == false)
+		return false;
+
+#ifdef PRINT_VERBOSE_VM_TIMINGS
+	print_dispc_vm("dispc", &ctx->dispc_vm);
+	print_dsi_vm("dsi  ", &ctx->dsi_vm);
+	print_dispc_vm("req  ", ctx->config->timings);
+	print_dsi_dispc_vm("act  ", &ctx->dsi_vm);
+#endif
+
+	return true;
+}
+
+static bool dsi_vm_calc_hsdiv_cb(int m_dispc, unsigned long dispc,
+		void *data)
+{
+	struct dsi_clk_calc_ctx *ctx = data;
+	unsigned long pck_max;
+
+	ctx->dsi_cinfo.mX[HSDIV_DISPC] = m_dispc;
+	ctx->dsi_cinfo.clkout[HSDIV_DISPC] = dispc;
+
+	/*
+	 * In burst mode we can let the dispc pck be arbitrarily high, but it
+	 * limits our scaling abilities. So for now, don't aim too high.
+	 */
+
+	if (ctx->config->trans_mode == OMAP_DSS_DSI_BURST_MODE)
+		pck_max = ctx->req_pck_max + 10000000;
+	else
+		pck_max = ctx->req_pck_max;
+
+	return dispc_div_calc(dispc, ctx->req_pck_min, pck_max,
+			dsi_vm_calc_dispc_cb, ctx);
+}
+
+static bool dsi_vm_calc_pll_cb(int n, int m, unsigned long fint,
+		unsigned long clkdco, void *data)
+{
+	struct dsi_clk_calc_ctx *ctx = data;
+
+	ctx->dsi_cinfo.n = n;
+	ctx->dsi_cinfo.m = m;
+	ctx->dsi_cinfo.fint = fint;
+	ctx->dsi_cinfo.clkdco = clkdco;
+
+	return dss_pll_hsdiv_calc(ctx->pll, clkdco, ctx->req_pck_min,
+			dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+			dsi_vm_calc_hsdiv_cb, ctx);
+}
+
+static bool dsi_vm_calc(struct dsi_data *dsi,
+		const struct omap_dss_dsi_config *cfg,
+		struct dsi_clk_calc_ctx *ctx)
+{
+	const struct omap_video_timings *t = cfg->timings;
+	unsigned long clkin;
+	unsigned long pll_min;
+	unsigned long pll_max;
+	int ndl = dsi->num_lanes_used - 1;
+	int bitspp = dsi_get_pixel_size(cfg->pixel_format);
+	unsigned long byteclk_min;
+
+	clkin = clk_get_rate(dsi->pll.clkin);
+
+	memset(ctx, 0, sizeof(*ctx));
+	ctx->dsidev = dsi->pdev;
+	ctx->pll = &dsi->pll;
+	ctx->config = cfg;
+
+	/* these limits should come from the panel driver */
+	ctx->req_pck_min = t->pixelclock - 1000;
+	ctx->req_pck_nom = t->pixelclock;
+	ctx->req_pck_max = t->pixelclock + 1000;
+
+	byteclk_min = div64_u64((u64)ctx->req_pck_min * bitspp, ndl * 8);
+	pll_min = max(cfg->hs_clk_min * 4, byteclk_min * 4 * 4);
+
+	if (cfg->trans_mode == OMAP_DSS_DSI_BURST_MODE) {
+		pll_max = cfg->hs_clk_max * 4;
+	} else {
+		unsigned long byteclk_max;
+		byteclk_max = div64_u64((u64)ctx->req_pck_max * bitspp,
+				ndl * 8);
+
+		pll_max = byteclk_max * 4 * 4;
+	}
+
+	return dss_pll_calc(ctx->pll, clkin,
+			pll_min, pll_max,
+			dsi_vm_calc_pll_cb, ctx);
+}
+
+static int dsi_set_config(struct omap_dss_device *dssdev,
+		const struct omap_dss_dsi_config *config)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dsi_clk_calc_ctx ctx;
+	bool ok;
+	int r;
+
+	mutex_lock(&dsi->lock);
+
+	dsi->pix_fmt = config->pixel_format;
+	dsi->mode = config->mode;
+
+	if (config->mode == OMAP_DSS_DSI_VIDEO_MODE)
+		ok = dsi_vm_calc(dsi, config, &ctx);
+	else
+		ok = dsi_cm_calc(dsi, config, &ctx);
+
+	if (!ok) {
+		DSSERR("failed to find suitable DSI clock settings\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	dsi_pll_calc_dsi_fck(&ctx.dsi_cinfo);
+
+	r = dsi_lp_clock_calc(ctx.dsi_cinfo.clkout[HSDIV_DSI],
+		config->lp_clk_min, config->lp_clk_max, &dsi->user_lp_cinfo);
+	if (r) {
+		DSSERR("failed to find suitable DSI LP clock settings\n");
+		goto err;
+	}
+
+	dsi->user_dsi_cinfo = ctx.dsi_cinfo;
+	dsi->user_dispc_cinfo = ctx.dispc_cinfo;
+
+	dsi->timings = ctx.dispc_vm;
+	dsi->vm_timings = ctx.dsi_vm;
+
+	mutex_unlock(&dsi->lock);
+
+	return 0;
+err:
+	mutex_unlock(&dsi->lock);
+
+	return r;
+}
+
+/*
+ * Return a hardcoded channel for the DSI output. This should work for
+ * current use cases, but this can be later expanded to either resolve
+ * the channel in some more dynamic manner, or get the channel as a user
+ * parameter.
+ */
+static enum omap_channel dsi_get_channel(int module_id)
+{
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP24xx:
+	case OMAPDSS_VER_AM43xx:
+		DSSWARN("DSI not supported\n");
+		return OMAP_DSS_CHANNEL_LCD;
+
+	case OMAPDSS_VER_OMAP34xx_ES1:
+	case OMAPDSS_VER_OMAP34xx_ES3:
+	case OMAPDSS_VER_OMAP3630:
+	case OMAPDSS_VER_AM35xx:
+		return OMAP_DSS_CHANNEL_LCD;
+
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		switch (module_id) {
+		case 0:
+			return OMAP_DSS_CHANNEL_LCD;
+		case 1:
+			return OMAP_DSS_CHANNEL_LCD2;
+		default:
+			DSSWARN("unsupported module id\n");
+			return OMAP_DSS_CHANNEL_LCD;
+		}
+
+	case OMAPDSS_VER_OMAP5:
+		switch (module_id) {
+		case 0:
+			return OMAP_DSS_CHANNEL_LCD;
+		case 1:
+			return OMAP_DSS_CHANNEL_LCD3;
+		default:
+			DSSWARN("unsupported module id\n");
+			return OMAP_DSS_CHANNEL_LCD;
+		}
+
+	default:
+		DSSWARN("unsupported DSS version\n");
+		return OMAP_DSS_CHANNEL_LCD;
+	}
+}
+
+static int dsi_request_vc(struct omap_dss_device *dssdev, int *channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) {
+		if (!dsi->vc[i].dssdev) {
+			dsi->vc[i].dssdev = dssdev;
+			*channel = i;
+			return 0;
+		}
+	}
+
+	DSSERR("cannot get VC for display %s", dssdev->name);
+	return -ENOSPC;
+}
+
+static int dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if (vc_id < 0 || vc_id > 3) {
+		DSSERR("VC ID out of range\n");
+		return -EINVAL;
+	}
+
+	if (channel < 0 || channel > 3) {
+		DSSERR("Virtual Channel out of range\n");
+		return -EINVAL;
+	}
+
+	if (dsi->vc[channel].dssdev != dssdev) {
+		DSSERR("Virtual Channel not allocated to display %s\n",
+			dssdev->name);
+		return -EINVAL;
+	}
+
+	dsi->vc[channel].vc_id = vc_id;
+
+	return 0;
+}
+
+static void dsi_release_vc(struct omap_dss_device *dssdev, int channel)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	if ((channel >= 0 && channel <= 3) &&
+		dsi->vc[channel].dssdev == dssdev) {
+		dsi->vc[channel].dssdev = NULL;
+		dsi->vc[channel].vc_id = 0;
+	}
+}
+
+
+static int dsi_get_clocks(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct clk *clk;
+
+	clk = devm_clk_get(&dsidev->dev, "fck");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get fck\n");
+		return PTR_ERR(clk);
+	}
+
+	dsi->dss_clk = clk;
+
+	return 0;
+}
+
+static int dsi_connect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct omap_overlay_manager *mgr;
+	int r;
+
+	r = dsi_regulator_init(dsidev);
+	if (r)
+		return r;
+
+	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
+	if (!mgr)
+		return -ENODEV;
+
+	r = dss_mgr_connect(mgr, dssdev);
+	if (r)
+		return r;
+
+	r = omapdss_output_set_device(dssdev, dst);
+	if (r) {
+		DSSERR("failed to connect output to new device: %s\n",
+				dssdev->name);
+		dss_mgr_disconnect(mgr, dssdev);
+		return r;
+	}
+
+	return 0;
+}
+
+static void dsi_disconnect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	WARN_ON(dst != dssdev->dst);
+
+	if (dst != dssdev->dst)
+		return;
+
+	omapdss_output_unset_device(dssdev);
+
+	if (dssdev->manager)
+		dss_mgr_disconnect(dssdev->manager, dssdev);
+}
+
+static const struct omapdss_dsi_ops dsi_ops = {
+	.connect = dsi_connect,
+	.disconnect = dsi_disconnect,
+
+	.bus_lock = dsi_bus_lock,
+	.bus_unlock = dsi_bus_unlock,
+
+	.enable = dsi_display_enable,
+	.disable = dsi_display_disable,
+
+	.enable_hs = dsi_vc_enable_hs,
+
+	.configure_pins = dsi_configure_pins,
+	.set_config = dsi_set_config,
+
+	.enable_video_output = dsi_enable_video_output,
+	.disable_video_output = dsi_disable_video_output,
+
+	.update = dsi_update,
+
+	.enable_te = dsi_enable_te,
+
+	.request_vc = dsi_request_vc,
+	.set_vc_id = dsi_set_vc_id,
+	.release_vc = dsi_release_vc,
+
+	.dcs_write = dsi_vc_dcs_write,
+	.dcs_write_nosync = dsi_vc_dcs_write_nosync,
+	.dcs_read = dsi_vc_dcs_read,
+
+	.gen_write = dsi_vc_generic_write,
+	.gen_write_nosync = dsi_vc_generic_write_nosync,
+	.gen_read = dsi_vc_generic_read,
+
+	.bta_sync = dsi_vc_send_bta_sync,
+
+	.set_max_rx_packet_size = dsi_vc_set_max_rx_packet_size,
+};
+
+static void dsi_init_output(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_dss_device *out = &dsi->output;
+
+	out->dev = &dsidev->dev;
+	out->id = dsi->module_id == 0 ?
+			OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
+
+	out->output_type = OMAP_DISPLAY_TYPE_DSI;
+	out->name = dsi->module_id == 0 ? "dsi.0" : "dsi.1";
+	out->dispc_channel = dsi_get_channel(dsi->module_id);
+	out->ops.dsi = &dsi_ops;
+	out->owner = THIS_MODULE;
+
+	omapdss_register_output(out);
+}
+
+static void dsi_uninit_output(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct omap_dss_device *out = &dsi->output;
+
+	omapdss_unregister_output(out);
+}
+
+static int dsi_probe_of(struct platform_device *pdev)
+{
+	struct device_node *node = pdev->dev.of_node;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
+	struct property *prop;
+	u32 lane_arr[10];
+	int len, num_pins;
+	int r, i;
+	struct device_node *ep;
+	struct omap_dsi_pin_config pin_cfg;
+
+	ep = omapdss_of_get_first_endpoint(node);
+	if (!ep)
+		return 0;
+
+	prop = of_find_property(ep, "lanes", &len);
+	if (prop == NULL) {
+		dev_err(&pdev->dev, "failed to find lane data\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	num_pins = len / sizeof(u32);
+
+	if (num_pins < 4 || num_pins % 2 != 0 ||
+		num_pins > dsi->num_lanes_supported * 2) {
+		dev_err(&pdev->dev, "bad number of lanes\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins);
+	if (r) {
+		dev_err(&pdev->dev, "failed to read lane data\n");
+		goto err;
+	}
+
+	pin_cfg.num_pins = num_pins;
+	for (i = 0; i < num_pins; ++i)
+		pin_cfg.pins[i] = (int)lane_arr[i];
+
+	r = dsi_configure_pins(&dsi->output, &pin_cfg);
+	if (r) {
+		dev_err(&pdev->dev, "failed to configure pins");
+		goto err;
+	}
+
+	of_node_put(ep);
+
+	return 0;
+
+err:
+	of_node_put(ep);
+	return r;
+}
+
+static const struct dss_pll_ops dsi_pll_ops = {
+	.enable = dsi_pll_enable,
+	.disable = dsi_pll_disable,
+	.set_config = dss_pll_write_config_type_a,
+};
+
+static const struct dss_pll_hw dss_omap3_dsi_pll_hw = {
+	.n_max = (1 << 7) - 1,
+	.m_max = (1 << 11) - 1,
+	.mX_max = (1 << 4) - 1,
+	.fint_min = 750000,
+	.fint_max = 2100000,
+	.clkdco_low = 1000000000,
+	.clkdco_max = 1800000000,
+
+	.n_msb = 7,
+	.n_lsb = 1,
+	.m_msb = 18,
+	.m_lsb = 8,
+
+	.mX_msb[0] = 22,
+	.mX_lsb[0] = 19,
+	.mX_msb[1] = 26,
+	.mX_lsb[1] = 23,
+
+	.has_stopmode = true,
+	.has_freqsel = true,
+	.has_selfreqdco = false,
+	.has_refsel = false,
+};
+
+static const struct dss_pll_hw dss_omap4_dsi_pll_hw = {
+	.n_max = (1 << 8) - 1,
+	.m_max = (1 << 12) - 1,
+	.mX_max = (1 << 5) - 1,
+	.fint_min = 500000,
+	.fint_max = 2500000,
+	.clkdco_low = 1000000000,
+	.clkdco_max = 1800000000,
+
+	.n_msb = 8,
+	.n_lsb = 1,
+	.m_msb = 20,
+	.m_lsb = 9,
+
+	.mX_msb[0] = 25,
+	.mX_lsb[0] = 21,
+	.mX_msb[1] = 30,
+	.mX_lsb[1] = 26,
+
+	.has_stopmode = true,
+	.has_freqsel = false,
+	.has_selfreqdco = false,
+	.has_refsel = false,
+};
+
+static const struct dss_pll_hw dss_omap5_dsi_pll_hw = {
+	.n_max = (1 << 8) - 1,
+	.m_max = (1 << 12) - 1,
+	.mX_max = (1 << 5) - 1,
+	.fint_min = 150000,
+	.fint_max = 52000000,
+	.clkdco_low = 1000000000,
+	.clkdco_max = 1800000000,
+
+	.n_msb = 8,
+	.n_lsb = 1,
+	.m_msb = 20,
+	.m_lsb = 9,
+
+	.mX_msb[0] = 25,
+	.mX_lsb[0] = 21,
+	.mX_msb[1] = 30,
+	.mX_lsb[1] = 26,
+
+	.has_stopmode = true,
+	.has_freqsel = false,
+	.has_selfreqdco = true,
+	.has_refsel = true,
+};
+
+static int dsi_init_pll_data(struct platform_device *dsidev)
+{
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+	struct dss_pll *pll = &dsi->pll;
+	struct clk *clk;
+	int r;
+
+	clk = devm_clk_get(&dsidev->dev, "sys_clk");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get sys_clk\n");
+		return PTR_ERR(clk);
+	}
+
+	pll->name = dsi->module_id == 0 ? "dsi0" : "dsi1";
+	pll->id = dsi->module_id == 0 ? DSS_PLL_DSI1 : DSS_PLL_DSI2;
+	pll->clkin = clk;
+	pll->base = dsi->pll_base;
+
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP34xx_ES1:
+	case OMAPDSS_VER_OMAP34xx_ES3:
+	case OMAPDSS_VER_OMAP3630:
+	case OMAPDSS_VER_AM35xx:
+		pll->hw = &dss_omap3_dsi_pll_hw;
+		break;
+
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		pll->hw = &dss_omap4_dsi_pll_hw;
+		break;
+
+	case OMAPDSS_VER_OMAP5:
+		pll->hw = &dss_omap5_dsi_pll_hw;
+		break;
+
+	default:
+		return -ENODEV;
+	}
+
+	pll->ops = &dsi_pll_ops;
+
+	r = dss_pll_register(pll);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+/* DSI1 HW IP initialisation */
+static int dsi_bind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *dsidev = to_platform_device(dev);
+	u32 rev;
+	int r, i;
+	struct dsi_data *dsi;
+	struct resource *dsi_mem;
+	struct resource *res;
+	struct resource temp_res;
+
+	dsi = devm_kzalloc(&dsidev->dev, sizeof(*dsi), GFP_KERNEL);
+	if (!dsi)
+		return -ENOMEM;
+
+	dsi->pdev = dsidev;
+	platform_set_drvdata(dsidev, dsi);
+
+	spin_lock_init(&dsi->irq_lock);
+	spin_lock_init(&dsi->errors_lock);
+	dsi->errors = 0;
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+	spin_lock_init(&dsi->irq_stats_lock);
+	dsi->irq_stats.last_reset = jiffies;
+#endif
+
+	mutex_init(&dsi->lock);
+	sema_init(&dsi->bus_lock, 1);
+
+	INIT_DEFERRABLE_WORK(&dsi->framedone_timeout_work,
+			     dsi_framedone_timeout_work_callback);
+
+#ifdef DSI_CATCH_MISSING_TE
+	timer_setup(&dsi->te_timer, dsi_te_timeout, 0);
+#endif
+
+	res = platform_get_resource_byname(dsidev, IORESOURCE_MEM, "proto");
+	if (!res) {
+		res = platform_get_resource(dsidev, IORESOURCE_MEM, 0);
+		if (!res) {
+			DSSERR("can't get IORESOURCE_MEM DSI\n");
+			return -EINVAL;
+		}
+
+		temp_res.start = res->start;
+		temp_res.end = temp_res.start + DSI_PROTO_SZ - 1;
+		res = &temp_res;
+	}
+
+	dsi_mem = res;
+
+	dsi->proto_base = devm_ioremap(&dsidev->dev, res->start,
+		resource_size(res));
+	if (!dsi->proto_base) {
+		DSSERR("can't ioremap DSI protocol engine\n");
+		return -ENOMEM;
+	}
+
+	res = platform_get_resource_byname(dsidev, IORESOURCE_MEM, "phy");
+	if (!res) {
+		res = platform_get_resource(dsidev, IORESOURCE_MEM, 0);
+		if (!res) {
+			DSSERR("can't get IORESOURCE_MEM DSI\n");
+			return -EINVAL;
+		}
+
+		temp_res.start = res->start + DSI_PHY_OFFSET;
+		temp_res.end = temp_res.start + DSI_PHY_SZ - 1;
+		res = &temp_res;
+	}
+
+	dsi->phy_base = devm_ioremap(&dsidev->dev, res->start,
+		resource_size(res));
+	if (!dsi->phy_base) {
+		DSSERR("can't ioremap DSI PHY\n");
+		return -ENOMEM;
+	}
+
+	res = platform_get_resource_byname(dsidev, IORESOURCE_MEM, "pll");
+	if (!res) {
+		res = platform_get_resource(dsidev, IORESOURCE_MEM, 0);
+		if (!res) {
+			DSSERR("can't get IORESOURCE_MEM DSI\n");
+			return -EINVAL;
+		}
+
+		temp_res.start = res->start + DSI_PLL_OFFSET;
+		temp_res.end = temp_res.start + DSI_PLL_SZ - 1;
+		res = &temp_res;
+	}
+
+	dsi->pll_base = devm_ioremap(&dsidev->dev, res->start,
+		resource_size(res));
+	if (!dsi->pll_base) {
+		DSSERR("can't ioremap DSI PLL\n");
+		return -ENOMEM;
+	}
+
+	dsi->irq = platform_get_irq(dsi->pdev, 0);
+	if (dsi->irq < 0) {
+		DSSERR("platform_get_irq failed\n");
+		return -ENODEV;
+	}
+
+	r = devm_request_irq(&dsidev->dev, dsi->irq, omap_dsi_irq_handler,
+			     IRQF_SHARED, dev_name(&dsidev->dev), dsi->pdev);
+	if (r < 0) {
+		DSSERR("request_irq failed\n");
+		return r;
+	}
+
+	if (dsidev->dev.of_node) {
+		const struct of_device_id *match;
+		const struct dsi_module_id_data *d;
+
+		match = of_match_node(dsi_of_match, dsidev->dev.of_node);
+		if (!match) {
+			DSSERR("unsupported DSI module\n");
+			return -ENODEV;
+		}
+
+		d = match->data;
+
+		while (d->address != 0 && d->address != dsi_mem->start)
+			d++;
+
+		if (d->address == 0) {
+			DSSERR("unsupported DSI module\n");
+			return -ENODEV;
+		}
+
+		dsi->module_id = d->id;
+	} else {
+		dsi->module_id = dsidev->id;
+	}
+
+	/* DSI VCs initialization */
+	for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) {
+		dsi->vc[i].source = DSI_VC_SOURCE_L4;
+		dsi->vc[i].dssdev = NULL;
+		dsi->vc[i].vc_id = 0;
+	}
+
+	r = dsi_get_clocks(dsidev);
+	if (r)
+		return r;
+
+	dsi_init_pll_data(dsidev);
+
+	pm_runtime_enable(&dsidev->dev);
+
+	r = dsi_runtime_get(dsidev);
+	if (r)
+		goto err_runtime_get;
+
+	rev = dsi_read_reg(dsidev, DSI_REVISION);
+	dev_dbg(&dsidev->dev, "OMAP DSI rev %d.%d\n",
+	       FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+	/* DSI on OMAP3 doesn't have register DSI_GNQ, set number
+	 * of data to 3 by default */
+	if (dss_has_feature(FEAT_DSI_GNQ))
+		/* NB_DATA_LANES */
+		dsi->num_lanes_supported = 1 + REG_GET(dsidev, DSI_GNQ, 11, 9);
+	else
+		dsi->num_lanes_supported = 3;
+
+	dsi->line_buffer_size = dsi_get_line_buf_size(dsidev);
+
+	dsi_init_output(dsidev);
+
+	if (dsidev->dev.of_node) {
+		r = dsi_probe_of(dsidev);
+		if (r) {
+			DSSERR("Invalid DSI DT data\n");
+			goto err_probe_of;
+		}
+
+		r = of_platform_populate(dsidev->dev.of_node, NULL, NULL,
+			&dsidev->dev);
+		if (r)
+			DSSERR("Failed to populate DSI child devices: %d\n", r);
+	}
+
+	dsi_runtime_put(dsidev);
+
+	if (dsi->module_id == 0)
+		dss_debugfs_create_file("dsi1_regs", dsi1_dump_regs);
+	else if (dsi->module_id == 1)
+		dss_debugfs_create_file("dsi2_regs", dsi2_dump_regs);
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+	if (dsi->module_id == 0)
+		dss_debugfs_create_file("dsi1_irqs", dsi1_dump_irqs);
+	else if (dsi->module_id == 1)
+		dss_debugfs_create_file("dsi2_irqs", dsi2_dump_irqs);
+#endif
+
+	return 0;
+
+err_probe_of:
+	dsi_uninit_output(dsidev);
+	dsi_runtime_put(dsidev);
+
+err_runtime_get:
+	pm_runtime_disable(&dsidev->dev);
+	return r;
+}
+
+static void dsi_unbind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *dsidev = to_platform_device(dev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+
+	of_platform_depopulate(&dsidev->dev);
+
+	WARN_ON(dsi->scp_clk_refcount > 0);
+
+	dss_pll_unregister(&dsi->pll);
+
+	dsi_uninit_output(dsidev);
+
+	pm_runtime_disable(&dsidev->dev);
+
+	if (dsi->vdds_dsi_reg != NULL && dsi->vdds_dsi_enabled) {
+		regulator_disable(dsi->vdds_dsi_reg);
+		dsi->vdds_dsi_enabled = false;
+	}
+}
+
+static const struct component_ops dsi_component_ops = {
+	.bind	= dsi_bind,
+	.unbind	= dsi_unbind,
+};
+
+static int dsi_probe(struct platform_device *pdev)
+{
+	return component_add(&pdev->dev, &dsi_component_ops);
+}
+
+static int dsi_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &dsi_component_ops);
+	return 0;
+}
+
+static int dsi_runtime_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
+
+	dsi->is_enabled = false;
+	/* ensure the irq handler sees the is_enabled value */
+	smp_wmb();
+	/* wait for current handler to finish before turning the DSI off */
+	synchronize_irq(dsi->irq);
+
+	dispc_runtime_put();
+
+	return 0;
+}
+
+static int dsi_runtime_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
+	int r;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	dsi->is_enabled = true;
+	/* ensure the irq handler sees the is_enabled value */
+	smp_wmb();
+
+	return 0;
+}
+
+static const struct dev_pm_ops dsi_pm_ops = {
+	.runtime_suspend = dsi_runtime_suspend,
+	.runtime_resume = dsi_runtime_resume,
+};
+
+static const struct dsi_module_id_data dsi_of_data_omap3[] = {
+	{ .address = 0x4804fc00, .id = 0, },
+	{ },
+};
+
+static const struct dsi_module_id_data dsi_of_data_omap4[] = {
+	{ .address = 0x58004000, .id = 0, },
+	{ .address = 0x58005000, .id = 1, },
+	{ },
+};
+
+static const struct dsi_module_id_data dsi_of_data_omap5[] = {
+	{ .address = 0x58004000, .id = 0, },
+	{ .address = 0x58009000, .id = 1, },
+	{ },
+};
+
+static const struct of_device_id dsi_of_match[] = {
+	{ .compatible = "ti,omap3-dsi", .data = dsi_of_data_omap3, },
+	{ .compatible = "ti,omap4-dsi", .data = dsi_of_data_omap4, },
+	{ .compatible = "ti,omap5-dsi", .data = dsi_of_data_omap5, },
+	{},
+};
+
+static struct platform_driver omap_dsihw_driver = {
+	.probe		= dsi_probe,
+	.remove		= dsi_remove,
+	.driver         = {
+		.name   = "omapdss_dsi",
+		.pm	= &dsi_pm_ops,
+		.of_match_table = dsi_of_match,
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init dsi_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_dsihw_driver);
+}
+
+void dsi_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omap_dsihw_driver);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
new file mode 100644
index 000000000..0282d4eef
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2013 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ */
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_graph.h>
+#include <linux/seq_file.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+
+struct device_node *
+omapdss_of_get_next_port(const struct device_node *parent,
+			 struct device_node *prev)
+{
+	struct device_node *port = NULL;
+
+	if (!parent)
+		return NULL;
+
+	if (!prev) {
+		struct device_node *ports;
+		/*
+		 * It's the first call, we have to find a port subnode
+		 * within this node or within an optional 'ports' node.
+		 */
+		ports = of_get_child_by_name(parent, "ports");
+		if (ports)
+			parent = ports;
+
+		port = of_get_child_by_name(parent, "port");
+
+		/* release the 'ports' node */
+		of_node_put(ports);
+	} else {
+		struct device_node *ports;
+
+		ports = of_get_parent(prev);
+		if (!ports)
+			return NULL;
+
+		do {
+			port = of_get_next_child(ports, prev);
+			if (!port) {
+				of_node_put(ports);
+				return NULL;
+			}
+			prev = port;
+		} while (!of_node_name_eq(port, "port"));
+
+		of_node_put(ports);
+	}
+
+	return port;
+}
+EXPORT_SYMBOL_GPL(omapdss_of_get_next_port);
+
+struct device_node *
+omapdss_of_get_next_endpoint(const struct device_node *parent,
+			     struct device_node *prev)
+{
+	struct device_node *ep = NULL;
+
+	if (!parent)
+		return NULL;
+
+	do {
+		ep = of_get_next_child(parent, prev);
+		if (!ep)
+			return NULL;
+		prev = ep;
+	} while (!of_node_name_eq(ep, "endpoint"));
+
+	return ep;
+}
+EXPORT_SYMBOL_GPL(omapdss_of_get_next_endpoint);
+
+struct device_node *dss_of_port_get_parent_device(struct device_node *port)
+{
+	struct device_node *np;
+	int i;
+
+	if (!port)
+		return NULL;
+
+	np = of_get_parent(port);
+
+	for (i = 0; i < 2 && np; ++i) {
+		struct property *prop;
+
+		prop = of_find_property(np, "compatible", NULL);
+
+		if (prop)
+			return np;
+
+		np = of_get_next_parent(np);
+	}
+
+	return NULL;
+}
+
+u32 dss_of_port_get_port_number(struct device_node *port)
+{
+	int r;
+	u32 reg;
+
+	r = of_property_read_u32(port, "reg", &reg);
+	if (r)
+		reg = 0;
+
+	return reg;
+}
+
+static struct device_node *omapdss_of_get_remote_port(const struct device_node *node)
+{
+	struct device_node *np;
+
+	np = of_graph_get_remote_endpoint(node);
+	if (!np)
+		return NULL;
+
+	np = of_get_next_parent(np);
+
+	return np;
+}
+
+struct device_node *
+omapdss_of_get_first_endpoint(const struct device_node *parent)
+{
+	struct device_node *port, *ep;
+
+	port = omapdss_of_get_next_port(parent, NULL);
+
+	if (!port)
+		return NULL;
+
+	ep = omapdss_of_get_next_endpoint(port, NULL);
+
+	of_node_put(port);
+
+	return ep;
+}
+EXPORT_SYMBOL_GPL(omapdss_of_get_first_endpoint);
+
+struct omap_dss_device *
+omapdss_of_find_source_for_first_ep(struct device_node *node)
+{
+	struct device_node *ep;
+	struct device_node *src_port;
+	struct omap_dss_device *src;
+
+	ep = omapdss_of_get_first_endpoint(node);
+	if (!ep)
+		return ERR_PTR(-EINVAL);
+
+	src_port = omapdss_of_get_remote_port(ep);
+	if (!src_port) {
+		of_node_put(ep);
+		return ERR_PTR(-EINVAL);
+	}
+
+	of_node_put(ep);
+
+	src = omap_dss_find_output_by_port_node(src_port);
+
+	of_node_put(src_port);
+
+	return src ? src : ERR_PTR(-EPROBE_DEFER);
+}
+EXPORT_SYMBOL_GPL(omapdss_of_find_source_for_first_ep);
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
new file mode 100644
index 000000000..335e0af4e
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
@@ -0,0 +1,1299 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/dss.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "DSS"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/export.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/gfp.h>
+#include <linux/sizes.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+#include <linux/suspend.h>
+#include <linux/component.h>
+#include <linux/pinctrl/consumer.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+#define DSS_SZ_REGS			SZ_512
+
+struct dss_reg {
+	u16 idx;
+};
+
+#define DSS_REG(idx)			((const struct dss_reg) { idx })
+
+#define DSS_REVISION			DSS_REG(0x0000)
+#define DSS_SYSCONFIG			DSS_REG(0x0010)
+#define DSS_SYSSTATUS			DSS_REG(0x0014)
+#define DSS_CONTROL			DSS_REG(0x0040)
+#define DSS_SDI_CONTROL			DSS_REG(0x0044)
+#define DSS_PLL_CONTROL			DSS_REG(0x0048)
+#define DSS_SDI_STATUS			DSS_REG(0x005C)
+
+#define REG_GET(idx, start, end) \
+	FLD_GET(dss_read_reg(idx), start, end)
+
+#define REG_FLD_MOD(idx, val, start, end) \
+	dss_write_reg(idx, FLD_MOD(dss_read_reg(idx), val, start, end))
+
+struct dss_features {
+	u8 fck_div_max;
+	u8 dss_fck_multiplier;
+	const char *parent_clk_name;
+	const enum omap_display_type *ports;
+	int num_ports;
+	int (*dpi_select_source)(int port, enum omap_channel channel);
+};
+
+static struct {
+	struct platform_device *pdev;
+	void __iomem    *base;
+	struct regmap	*syscon_pll_ctrl;
+	u32		syscon_pll_ctrl_offset;
+
+	struct clk	*parent_clk;
+	struct clk	*dss_clk;
+	unsigned long	dss_clk_rate;
+
+	unsigned long	cache_req_pck;
+	unsigned long	cache_prate;
+	struct dispc_clock_info cache_dispc_cinfo;
+
+	enum omap_dss_clk_source dsi_clk_source[MAX_NUM_DSI];
+	enum omap_dss_clk_source dispc_clk_source;
+	enum omap_dss_clk_source lcd_clk_source[MAX_DSS_LCD_MANAGERS];
+
+	bool		ctx_valid;
+	u32		ctx[DSS_SZ_REGS / sizeof(u32)];
+
+	const struct dss_features *feat;
+
+	struct dss_pll	*video1_pll;
+	struct dss_pll	*video2_pll;
+} dss;
+
+static const char * const dss_generic_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "DSI_PLL_HSDIV_DISPC",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "DSI_PLL_HSDIV_DSI",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCK",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC]	= "DSI_PLL2_HSDIV_DISPC",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]	= "DSI_PLL2_HSDIV_DSI",
+};
+
+static bool dss_initialized;
+
+bool omapdss_is_initialized(void)
+{
+	return dss_initialized;
+}
+EXPORT_SYMBOL(omapdss_is_initialized);
+
+static inline void dss_write_reg(const struct dss_reg idx, u32 val)
+{
+	__raw_writel(val, dss.base + idx.idx);
+}
+
+static inline u32 dss_read_reg(const struct dss_reg idx)
+{
+	return __raw_readl(dss.base + idx.idx);
+}
+
+#define SR(reg) \
+	dss.ctx[(DSS_##reg).idx / sizeof(u32)] = dss_read_reg(DSS_##reg)
+#define RR(reg) \
+	dss_write_reg(DSS_##reg, dss.ctx[(DSS_##reg).idx / sizeof(u32)])
+
+static void dss_save_context(void)
+{
+	DSSDBG("dss_save_context\n");
+
+	SR(CONTROL);
+
+	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
+			OMAP_DISPLAY_TYPE_SDI) {
+		SR(SDI_CONTROL);
+		SR(PLL_CONTROL);
+	}
+
+	dss.ctx_valid = true;
+
+	DSSDBG("context saved\n");
+}
+
+static void dss_restore_context(void)
+{
+	DSSDBG("dss_restore_context\n");
+
+	if (!dss.ctx_valid)
+		return;
+
+	RR(CONTROL);
+
+	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
+			OMAP_DISPLAY_TYPE_SDI) {
+		RR(SDI_CONTROL);
+		RR(PLL_CONTROL);
+	}
+
+	DSSDBG("context restored\n");
+}
+
+#undef SR
+#undef RR
+
+void dss_ctrl_pll_enable(enum dss_pll_id pll_id, bool enable)
+{
+	unsigned shift;
+	unsigned val;
+
+	if (!dss.syscon_pll_ctrl)
+		return;
+
+	val = !enable;
+
+	switch (pll_id) {
+	case DSS_PLL_VIDEO1:
+		shift = 0;
+		break;
+	case DSS_PLL_VIDEO2:
+		shift = 1;
+		break;
+	case DSS_PLL_HDMI:
+		shift = 2;
+		break;
+	default:
+		DSSERR("illegal DSS PLL ID %d\n", pll_id);
+		return;
+	}
+
+	regmap_update_bits(dss.syscon_pll_ctrl, dss.syscon_pll_ctrl_offset,
+		1 << shift, val << shift);
+}
+
+void dss_ctrl_pll_set_control_mux(enum dss_pll_id pll_id,
+	enum omap_channel channel)
+{
+	unsigned shift, val;
+
+	if (!dss.syscon_pll_ctrl)
+		return;
+
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		shift = 3;
+
+		switch (pll_id) {
+		case DSS_PLL_VIDEO1:
+			val = 0; break;
+		case DSS_PLL_HDMI:
+			val = 1; break;
+		default:
+			DSSERR("error in PLL mux config for LCD\n");
+			return;
+		}
+
+		break;
+	case OMAP_DSS_CHANNEL_LCD2:
+		shift = 5;
+
+		switch (pll_id) {
+		case DSS_PLL_VIDEO1:
+			val = 0; break;
+		case DSS_PLL_VIDEO2:
+			val = 1; break;
+		case DSS_PLL_HDMI:
+			val = 2; break;
+		default:
+			DSSERR("error in PLL mux config for LCD2\n");
+			return;
+		}
+
+		break;
+	case OMAP_DSS_CHANNEL_LCD3:
+		shift = 7;
+
+		switch (pll_id) {
+		case DSS_PLL_VIDEO1:
+			val = 1; break;
+		case DSS_PLL_VIDEO2:
+			val = 0; break;
+		case DSS_PLL_HDMI:
+			val = 2; break;
+		default:
+			DSSERR("error in PLL mux config for LCD3\n");
+			return;
+		}
+
+		break;
+	default:
+		DSSERR("error in PLL mux config\n");
+		return;
+	}
+
+	regmap_update_bits(dss.syscon_pll_ctrl, dss.syscon_pll_ctrl_offset,
+		0x3 << shift, val << shift);
+}
+
+void dss_sdi_init(int datapairs)
+{
+	u32 l;
+
+	BUG_ON(datapairs > 3 || datapairs < 1);
+
+	l = dss_read_reg(DSS_SDI_CONTROL);
+	l = FLD_MOD(l, 0xf, 19, 15);		/* SDI_PDIV */
+	l = FLD_MOD(l, datapairs-1, 3, 2);	/* SDI_PRSEL */
+	l = FLD_MOD(l, 2, 1, 0);		/* SDI_BWSEL */
+	dss_write_reg(DSS_SDI_CONTROL, l);
+
+	l = dss_read_reg(DSS_PLL_CONTROL);
+	l = FLD_MOD(l, 0x7, 25, 22);	/* SDI_PLL_FREQSEL */
+	l = FLD_MOD(l, 0xb, 16, 11);	/* SDI_PLL_REGN */
+	l = FLD_MOD(l, 0xb4, 10, 1);	/* SDI_PLL_REGM */
+	dss_write_reg(DSS_PLL_CONTROL, l);
+}
+
+int dss_sdi_enable(void)
+{
+	unsigned long timeout;
+
+	dispc_pck_free_enable(1);
+
+	/* Reset SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 18, 18); /* SDI_PLL_SYSRESET */
+	udelay(1);	/* wait 2x PCLK */
+
+	/* Lock SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 1, 28, 28); /* SDI_PLL_GOBIT */
+
+	/* Waiting for PLL lock request to complete */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (dss_read_reg(DSS_SDI_STATUS) & (1 << 6)) {
+		if (time_after_eq(jiffies, timeout)) {
+			DSSERR("PLL lock request timed out\n");
+			goto err1;
+		}
+	}
+
+	/* Clearing PLL_GO bit */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 28, 28);
+
+	/* Waiting for PLL to lock */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 5))) {
+		if (time_after_eq(jiffies, timeout)) {
+			DSSERR("PLL lock timed out\n");
+			goto err1;
+		}
+	}
+
+	dispc_lcd_enable_signal(1);
+
+	/* Waiting for SDI reset to complete */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (!(dss_read_reg(DSS_SDI_STATUS) & (1 << 2))) {
+		if (time_after_eq(jiffies, timeout)) {
+			DSSERR("SDI reset timed out\n");
+			goto err2;
+		}
+	}
+
+	return 0;
+
+ err2:
+	dispc_lcd_enable_signal(0);
+ err1:
+	/* Reset SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 18, 18); /* SDI_PLL_SYSRESET */
+
+	dispc_pck_free_enable(0);
+
+	return -ETIMEDOUT;
+}
+
+void dss_sdi_disable(void)
+{
+	dispc_lcd_enable_signal(0);
+
+	dispc_pck_free_enable(0);
+
+	/* Reset SDI PLL */
+	REG_FLD_MOD(DSS_PLL_CONTROL, 0, 18, 18); /* SDI_PLL_SYSRESET */
+}
+
+const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src)
+{
+	return dss_generic_clk_source_names[clk_src];
+}
+
+void dss_dump_clocks(struct seq_file *s)
+{
+	const char *fclk_name, *fclk_real_name;
+	unsigned long fclk_rate;
+
+	if (dss_runtime_get())
+		return;
+
+	seq_printf(s, "- DSS -\n");
+
+	fclk_name = dss_get_generic_clk_source_name(OMAP_DSS_CLK_SRC_FCK);
+	fclk_real_name = dss_feat_get_clk_source_name(OMAP_DSS_CLK_SRC_FCK);
+	fclk_rate = clk_get_rate(dss.dss_clk);
+
+	seq_printf(s, "%s (%s) = %lu\n",
+			fclk_name, fclk_real_name,
+			fclk_rate);
+
+	dss_runtime_put();
+}
+
+static void dss_dump_regs(struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dss_read_reg(r))
+
+	if (dss_runtime_get())
+		return;
+
+	DUMPREG(DSS_REVISION);
+	DUMPREG(DSS_SYSCONFIG);
+	DUMPREG(DSS_SYSSTATUS);
+	DUMPREG(DSS_CONTROL);
+
+	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
+			OMAP_DISPLAY_TYPE_SDI) {
+		DUMPREG(DSS_SDI_CONTROL);
+		DUMPREG(DSS_PLL_CONTROL);
+		DUMPREG(DSS_SDI_STATUS);
+	}
+
+	dss_runtime_put();
+#undef DUMPREG
+}
+
+static void dss_select_dispc_clk_source(enum omap_dss_clk_source clk_src)
+{
+	int b;
+	u8 start, end;
+
+	switch (clk_src) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		b = 0;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+		b = 1;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+		b = 2;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	dss_feat_get_reg_field(FEAT_REG_DISPC_CLK_SWITCH, &start, &end);
+
+	REG_FLD_MOD(DSS_CONTROL, b, start, end);	/* DISPC_CLK_SWITCH */
+
+	dss.dispc_clk_source = clk_src;
+}
+
+void dss_select_dsi_clk_source(int dsi_module,
+		enum omap_dss_clk_source clk_src)
+{
+	int b, pos;
+
+	switch (clk_src) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		b = 0;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI:
+		BUG_ON(dsi_module != 0);
+		b = 1;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI:
+		BUG_ON(dsi_module != 1);
+		b = 1;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	pos = dsi_module == 0 ? 1 : 10;
+	REG_FLD_MOD(DSS_CONTROL, b, pos, pos);	/* DSIx_CLK_SWITCH */
+
+	dss.dsi_clk_source[dsi_module] = clk_src;
+}
+
+void dss_select_lcd_clk_source(enum omap_channel channel,
+		enum omap_dss_clk_source clk_src)
+{
+	int b, ix, pos;
+
+	if (!dss_has_feature(FEAT_LCD_CLK_SRC)) {
+		dss_select_dispc_clk_source(clk_src);
+		return;
+	}
+
+	switch (clk_src) {
+	case OMAP_DSS_CLK_SRC_FCK:
+		b = 0;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC:
+		BUG_ON(channel != OMAP_DSS_CHANNEL_LCD);
+		b = 1;
+		break;
+	case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC:
+		BUG_ON(channel != OMAP_DSS_CHANNEL_LCD2 &&
+		       channel != OMAP_DSS_CHANNEL_LCD3);
+		b = 1;
+		break;
+	default:
+		BUG();
+		return;
+	}
+
+	pos = channel == OMAP_DSS_CHANNEL_LCD ? 0 :
+	     (channel == OMAP_DSS_CHANNEL_LCD2 ? 12 : 19);
+	REG_FLD_MOD(DSS_CONTROL, b, pos, pos);	/* LCDx_CLK_SWITCH */
+
+	ix = channel == OMAP_DSS_CHANNEL_LCD ? 0 :
+	    (channel == OMAP_DSS_CHANNEL_LCD2 ? 1 : 2);
+	dss.lcd_clk_source[ix] = clk_src;
+}
+
+enum omap_dss_clk_source dss_get_dispc_clk_source(void)
+{
+	return dss.dispc_clk_source;
+}
+
+enum omap_dss_clk_source dss_get_dsi_clk_source(int dsi_module)
+{
+	return dss.dsi_clk_source[dsi_module];
+}
+
+enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel)
+{
+	if (dss_has_feature(FEAT_LCD_CLK_SRC)) {
+		int ix = channel == OMAP_DSS_CHANNEL_LCD ? 0 :
+			(channel == OMAP_DSS_CHANNEL_LCD2 ? 1 : 2);
+		return dss.lcd_clk_source[ix];
+	} else {
+		/* LCD_CLK source is the same as DISPC_FCLK source for
+		 * OMAP2 and OMAP3 */
+		return dss.dispc_clk_source;
+	}
+}
+
+bool dss_div_calc(unsigned long pck, unsigned long fck_min,
+		dss_div_calc_func func, void *data)
+{
+	int fckd, fckd_start, fckd_stop;
+	unsigned long fck;
+	unsigned long fck_hw_max;
+	unsigned long fckd_hw_max;
+	unsigned long prate;
+	unsigned m;
+
+	fck_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+
+	if (dss.parent_clk == NULL) {
+		unsigned pckd;
+
+		pckd = fck_hw_max / pck;
+
+		fck = pck * pckd;
+
+		fck = clk_round_rate(dss.dss_clk, fck);
+
+		return func(fck, data);
+	}
+
+	fckd_hw_max = dss.feat->fck_div_max;
+
+	m = dss.feat->dss_fck_multiplier;
+	prate = clk_get_rate(dss.parent_clk);
+
+	fck_min = fck_min ? fck_min : 1;
+
+	fckd_start = min(prate * m / fck_min, fckd_hw_max);
+	fckd_stop = max(DIV_ROUND_UP(prate * m, fck_hw_max), 1ul);
+
+	for (fckd = fckd_start; fckd >= fckd_stop; --fckd) {
+		fck = DIV_ROUND_UP(prate, fckd) * m;
+
+		if (func(fck, data))
+			return true;
+	}
+
+	return false;
+}
+
+int dss_set_fck_rate(unsigned long rate)
+{
+	int r;
+
+	DSSDBG("set fck to %lu\n", rate);
+
+	r = clk_set_rate(dss.dss_clk, rate);
+	if (r)
+		return r;
+
+	dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
+
+	WARN_ONCE(dss.dss_clk_rate != rate,
+			"clk rate mismatch: %lu != %lu", dss.dss_clk_rate,
+			rate);
+
+	return 0;
+}
+
+unsigned long dss_get_dispc_clk_rate(void)
+{
+	return dss.dss_clk_rate;
+}
+
+static int dss_setup_default_clock(void)
+{
+	unsigned long max_dss_fck, prate;
+	unsigned long fck;
+	unsigned fck_div;
+	int r;
+
+	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+
+	if (dss.parent_clk == NULL) {
+		fck = clk_round_rate(dss.dss_clk, max_dss_fck);
+	} else {
+		prate = clk_get_rate(dss.parent_clk);
+
+		fck_div = DIV_ROUND_UP(prate * dss.feat->dss_fck_multiplier,
+				max_dss_fck);
+		fck = DIV_ROUND_UP(prate, fck_div) * dss.feat->dss_fck_multiplier;
+	}
+
+	r = dss_set_fck_rate(fck);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+void dss_set_venc_output(enum omap_dss_venc_type type)
+{
+	int l = 0;
+
+	if (type == OMAP_DSS_VENC_TYPE_COMPOSITE)
+		l = 0;
+	else if (type == OMAP_DSS_VENC_TYPE_SVIDEO)
+		l = 1;
+	else
+		BUG();
+
+	/* venc out selection. 0 = comp, 1 = svideo */
+	REG_FLD_MOD(DSS_CONTROL, l, 6, 6);
+}
+
+void dss_set_dac_pwrdn_bgz(bool enable)
+{
+	REG_FLD_MOD(DSS_CONTROL, enable, 5, 5);	/* DAC Power-Down Control */
+}
+
+void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select src)
+{
+	enum omap_display_type dp;
+	dp = dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_DIGIT);
+
+	/* Complain about invalid selections */
+	WARN_ON((src == DSS_VENC_TV_CLK) && !(dp & OMAP_DISPLAY_TYPE_VENC));
+	WARN_ON((src == DSS_HDMI_M_PCLK) && !(dp & OMAP_DISPLAY_TYPE_HDMI));
+
+	/* Select only if we have options */
+	if ((dp & OMAP_DISPLAY_TYPE_VENC) && (dp & OMAP_DISPLAY_TYPE_HDMI))
+		REG_FLD_MOD(DSS_CONTROL, src, 15, 15);	/* VENC_HDMI_SWITCH */
+}
+
+enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void)
+{
+	enum omap_display_type displays;
+
+	displays = dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_DIGIT);
+	if ((displays & OMAP_DISPLAY_TYPE_HDMI) == 0)
+		return DSS_VENC_TV_CLK;
+
+	if ((displays & OMAP_DISPLAY_TYPE_VENC) == 0)
+		return DSS_HDMI_M_PCLK;
+
+	return REG_GET(DSS_CONTROL, 15, 15);
+}
+
+static int dss_dpi_select_source_omap2_omap3(int port, enum omap_channel channel)
+{
+	if (channel != OMAP_DSS_CHANNEL_LCD)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int dss_dpi_select_source_omap4(int port, enum omap_channel channel)
+{
+	int val;
+
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD2:
+		val = 0;
+		break;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		val = 1;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	REG_FLD_MOD(DSS_CONTROL, val, 17, 17);
+
+	return 0;
+}
+
+static int dss_dpi_select_source_omap5(int port, enum omap_channel channel)
+{
+	int val;
+
+	switch (channel) {
+	case OMAP_DSS_CHANNEL_LCD:
+		val = 1;
+		break;
+	case OMAP_DSS_CHANNEL_LCD2:
+		val = 2;
+		break;
+	case OMAP_DSS_CHANNEL_LCD3:
+		val = 3;
+		break;
+	case OMAP_DSS_CHANNEL_DIGIT:
+		val = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	REG_FLD_MOD(DSS_CONTROL, val, 17, 16);
+
+	return 0;
+}
+
+static int dss_dpi_select_source_dra7xx(int port, enum omap_channel channel)
+{
+	switch (port) {
+	case 0:
+		return dss_dpi_select_source_omap5(port, channel);
+	case 1:
+		if (channel != OMAP_DSS_CHANNEL_LCD2)
+			return -EINVAL;
+		break;
+	case 2:
+		if (channel != OMAP_DSS_CHANNEL_LCD3)
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int dss_dpi_select_source(int port, enum omap_channel channel)
+{
+	return dss.feat->dpi_select_source(port, channel);
+}
+
+static int dss_get_clocks(void)
+{
+	struct clk *clk;
+
+	clk = devm_clk_get(&dss.pdev->dev, "fck");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get clock fck\n");
+		return PTR_ERR(clk);
+	}
+
+	dss.dss_clk = clk;
+
+	if (dss.feat->parent_clk_name) {
+		clk = clk_get(NULL, dss.feat->parent_clk_name);
+		if (IS_ERR(clk)) {
+			DSSERR("Failed to get %s\n", dss.feat->parent_clk_name);
+			return PTR_ERR(clk);
+		}
+	} else {
+		clk = NULL;
+	}
+
+	dss.parent_clk = clk;
+
+	return 0;
+}
+
+static void dss_put_clocks(void)
+{
+	if (dss.parent_clk)
+		clk_put(dss.parent_clk);
+}
+
+int dss_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("dss_runtime_get\n");
+
+	r = pm_runtime_resume_and_get(&dss.pdev->dev);
+	if (WARN_ON(r < 0))
+		return r;
+	return 0;
+}
+
+void dss_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("dss_runtime_put\n");
+
+	r = pm_runtime_put_sync(&dss.pdev->dev);
+	WARN_ON(r < 0 && r != -ENOSYS && r != -EBUSY);
+}
+
+/* DEBUGFS */
+#if defined(CONFIG_FB_OMAP2_DSS_DEBUGFS)
+void dss_debug_dump_clocks(struct seq_file *s)
+{
+	dss_dump_clocks(s);
+	dispc_dump_clocks(s);
+#ifdef CONFIG_FB_OMAP2_DSS_DSI
+	dsi_dump_clocks(s);
+#endif
+}
+#endif
+
+
+static const enum omap_display_type omap2plus_ports[] = {
+	OMAP_DISPLAY_TYPE_DPI,
+};
+
+static const enum omap_display_type omap34xx_ports[] = {
+	OMAP_DISPLAY_TYPE_DPI,
+	OMAP_DISPLAY_TYPE_SDI,
+};
+
+static const enum omap_display_type dra7xx_ports[] = {
+	OMAP_DISPLAY_TYPE_DPI,
+	OMAP_DISPLAY_TYPE_DPI,
+	OMAP_DISPLAY_TYPE_DPI,
+};
+
+static const struct dss_features omap24xx_dss_feats = {
+	/*
+	 * fck div max is really 16, but the divider range has gaps. The range
+	 * from 1 to 6 has no gaps, so let's use that as a max.
+	 */
+	.fck_div_max		=	6,
+	.dss_fck_multiplier	=	2,
+	.parent_clk_name	=	"core_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
+	.ports			=	omap2plus_ports,
+	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+};
+
+static const struct dss_features omap34xx_dss_feats = {
+	.fck_div_max		=	16,
+	.dss_fck_multiplier	=	2,
+	.parent_clk_name	=	"dpll4_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
+	.ports			=	omap34xx_ports,
+	.num_ports		=	ARRAY_SIZE(omap34xx_ports),
+};
+
+static const struct dss_features omap3630_dss_feats = {
+	.fck_div_max		=	31,
+	.dss_fck_multiplier	=	1,
+	.parent_clk_name	=	"dpll4_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
+	.ports			=	omap2plus_ports,
+	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+};
+
+static const struct dss_features omap44xx_dss_feats = {
+	.fck_div_max		=	32,
+	.dss_fck_multiplier	=	1,
+	.parent_clk_name	=	"dpll_per_x2_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap4,
+	.ports			=	omap2plus_ports,
+	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+};
+
+static const struct dss_features omap54xx_dss_feats = {
+	.fck_div_max		=	64,
+	.dss_fck_multiplier	=	1,
+	.parent_clk_name	=	"dpll_per_x2_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_omap5,
+	.ports			=	omap2plus_ports,
+	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+};
+
+static const struct dss_features am43xx_dss_feats = {
+	.fck_div_max		=	0,
+	.dss_fck_multiplier	=	0,
+	.parent_clk_name	=	NULL,
+	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
+	.ports			=	omap2plus_ports,
+	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+};
+
+static const struct dss_features dra7xx_dss_feats = {
+	.fck_div_max		=	64,
+	.dss_fck_multiplier	=	1,
+	.parent_clk_name	=	"dpll_per_x2_ck",
+	.dpi_select_source	=	&dss_dpi_select_source_dra7xx,
+	.ports			=	dra7xx_ports,
+	.num_ports		=	ARRAY_SIZE(dra7xx_ports),
+};
+
+static const struct dss_features *dss_get_features(void)
+{
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP24xx:
+		return &omap24xx_dss_feats;
+
+	case OMAPDSS_VER_OMAP34xx_ES1:
+	case OMAPDSS_VER_OMAP34xx_ES3:
+	case OMAPDSS_VER_AM35xx:
+		return &omap34xx_dss_feats;
+
+	case OMAPDSS_VER_OMAP3630:
+		return &omap3630_dss_feats;
+
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		return &omap44xx_dss_feats;
+
+	case OMAPDSS_VER_OMAP5:
+		return &omap54xx_dss_feats;
+
+	case OMAPDSS_VER_AM43xx:
+		return &am43xx_dss_feats;
+
+	case OMAPDSS_VER_DRA7xx:
+		return &dra7xx_dss_feats;
+
+	default:
+		return NULL;
+	}
+}
+
+static void dss_uninit_ports(struct platform_device *pdev);
+
+static int dss_init_ports(struct platform_device *pdev)
+{
+	struct device_node *parent = pdev->dev.of_node;
+	struct device_node *port;
+	int r, ret = 0;
+
+	if (parent == NULL)
+		return 0;
+
+	port = omapdss_of_get_next_port(parent, NULL);
+	if (!port)
+		return 0;
+
+	if (dss.feat->num_ports == 0)
+		return 0;
+
+	do {
+		enum omap_display_type port_type;
+		u32 reg;
+
+		r = of_property_read_u32(port, "reg", &reg);
+		if (r)
+			reg = 0;
+
+		if (reg >= dss.feat->num_ports)
+			continue;
+
+		port_type = dss.feat->ports[reg];
+
+		switch (port_type) {
+		case OMAP_DISPLAY_TYPE_DPI:
+			ret = dpi_init_port(pdev, port);
+			break;
+		case OMAP_DISPLAY_TYPE_SDI:
+			ret = sdi_init_port(pdev, port);
+			break;
+		default:
+			break;
+		}
+	} while (!ret &&
+		 (port = omapdss_of_get_next_port(parent, port)) != NULL);
+
+	if (ret)
+		dss_uninit_ports(pdev);
+
+	return ret;
+}
+
+static void dss_uninit_ports(struct platform_device *pdev)
+{
+	struct device_node *parent = pdev->dev.of_node;
+	struct device_node *port;
+
+	if (parent == NULL)
+		return;
+
+	port = omapdss_of_get_next_port(parent, NULL);
+	if (!port)
+		return;
+
+	if (dss.feat->num_ports == 0)
+		return;
+
+	do {
+		enum omap_display_type port_type;
+		u32 reg;
+		int r;
+
+		r = of_property_read_u32(port, "reg", &reg);
+		if (r)
+			reg = 0;
+
+		if (reg >= dss.feat->num_ports)
+			continue;
+
+		port_type = dss.feat->ports[reg];
+
+		switch (port_type) {
+		case OMAP_DISPLAY_TYPE_DPI:
+			dpi_uninit_port(port);
+			break;
+		case OMAP_DISPLAY_TYPE_SDI:
+			sdi_uninit_port(port);
+			break;
+		default:
+			break;
+		}
+	} while ((port = omapdss_of_get_next_port(parent, port)) != NULL);
+}
+
+static int dss_video_pll_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct regulator *pll_regulator;
+	int r;
+
+	if (!np)
+		return 0;
+
+	if (of_property_read_bool(np, "syscon-pll-ctrl")) {
+		dss.syscon_pll_ctrl = syscon_regmap_lookup_by_phandle(np,
+			"syscon-pll-ctrl");
+		if (IS_ERR(dss.syscon_pll_ctrl)) {
+			dev_err(&pdev->dev,
+				"failed to get syscon-pll-ctrl regmap\n");
+			return PTR_ERR(dss.syscon_pll_ctrl);
+		}
+
+		if (of_property_read_u32_index(np, "syscon-pll-ctrl", 1,
+				&dss.syscon_pll_ctrl_offset)) {
+			dev_err(&pdev->dev,
+				"failed to get syscon-pll-ctrl offset\n");
+			return -EINVAL;
+		}
+	}
+
+	pll_regulator = devm_regulator_get(&pdev->dev, "vdda_video");
+	if (IS_ERR(pll_regulator)) {
+		r = PTR_ERR(pll_regulator);
+
+		switch (r) {
+		case -ENOENT:
+			pll_regulator = NULL;
+			break;
+
+		case -EPROBE_DEFER:
+			return -EPROBE_DEFER;
+
+		default:
+			DSSERR("can't get DPLL VDDA regulator\n");
+			return r;
+		}
+	}
+
+	if (of_property_match_string(np, "reg-names", "pll1") >= 0) {
+		dss.video1_pll = dss_video_pll_init(pdev, 0, pll_regulator);
+		if (IS_ERR(dss.video1_pll))
+			return PTR_ERR(dss.video1_pll);
+	}
+
+	if (of_property_match_string(np, "reg-names", "pll2") >= 0) {
+		dss.video2_pll = dss_video_pll_init(pdev, 1, pll_regulator);
+		if (IS_ERR(dss.video2_pll)) {
+			dss_video_pll_uninit(dss.video1_pll);
+			return PTR_ERR(dss.video2_pll);
+		}
+	}
+
+	return 0;
+}
+
+/* DSS HW IP initialisation */
+static int dss_bind(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct resource *dss_mem;
+	u32 rev;
+	int r;
+
+	dss.pdev = pdev;
+
+	dss.feat = dss_get_features();
+	if (!dss.feat)
+		return -ENODEV;
+
+	dss_mem = platform_get_resource(dss.pdev, IORESOURCE_MEM, 0);
+	if (!dss_mem) {
+		DSSERR("can't get IORESOURCE_MEM DSS\n");
+		return -EINVAL;
+	}
+
+	dss.base = devm_ioremap(&pdev->dev, dss_mem->start,
+				resource_size(dss_mem));
+	if (!dss.base) {
+		DSSERR("can't ioremap DSS\n");
+		return -ENOMEM;
+	}
+
+	r = dss_get_clocks();
+	if (r)
+		return r;
+
+	r = dss_setup_default_clock();
+	if (r)
+		goto err_setup_clocks;
+
+	r = dss_video_pll_probe(pdev);
+	if (r)
+		goto err_pll_init;
+
+	r = dss_init_ports(pdev);
+	if (r)
+		goto err_init_ports;
+
+	pm_runtime_enable(&pdev->dev);
+
+	r = dss_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
+
+	/* Select DPLL */
+	REG_FLD_MOD(DSS_CONTROL, 0, 0, 0);
+
+	dss_select_dispc_clk_source(OMAP_DSS_CLK_SRC_FCK);
+
+#ifdef CONFIG_FB_OMAP2_DSS_VENC
+	REG_FLD_MOD(DSS_CONTROL, 1, 4, 4);	/* venc dac demen */
+	REG_FLD_MOD(DSS_CONTROL, 1, 3, 3);	/* venc clock 4x enable */
+	REG_FLD_MOD(DSS_CONTROL, 0, 2, 2);	/* venc clock mode = normal */
+#endif
+	dss.dsi_clk_source[0] = OMAP_DSS_CLK_SRC_FCK;
+	dss.dsi_clk_source[1] = OMAP_DSS_CLK_SRC_FCK;
+	dss.dispc_clk_source = OMAP_DSS_CLK_SRC_FCK;
+	dss.lcd_clk_source[0] = OMAP_DSS_CLK_SRC_FCK;
+	dss.lcd_clk_source[1] = OMAP_DSS_CLK_SRC_FCK;
+
+	rev = dss_read_reg(DSS_REVISION);
+	printk(KERN_INFO "OMAP DSS rev %d.%d\n",
+			FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+	dss_runtime_put();
+
+	r = component_bind_all(&pdev->dev, NULL);
+	if (r)
+		goto err_component;
+
+	dss_debugfs_create_file("dss", dss_dump_regs);
+
+	pm_set_vt_switch(0);
+
+	dss_initialized = true;
+
+	return 0;
+
+err_component:
+err_runtime_get:
+	pm_runtime_disable(&pdev->dev);
+	dss_uninit_ports(pdev);
+err_init_ports:
+	if (dss.video1_pll)
+		dss_video_pll_uninit(dss.video1_pll);
+
+	if (dss.video2_pll)
+		dss_video_pll_uninit(dss.video2_pll);
+err_pll_init:
+err_setup_clocks:
+	dss_put_clocks();
+	return r;
+}
+
+static void dss_unbind(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	dss_initialized = false;
+
+	component_unbind_all(&pdev->dev, NULL);
+
+	if (dss.video1_pll)
+		dss_video_pll_uninit(dss.video1_pll);
+
+	if (dss.video2_pll)
+		dss_video_pll_uninit(dss.video2_pll);
+
+	dss_uninit_ports(pdev);
+
+	pm_runtime_disable(&pdev->dev);
+
+	dss_put_clocks();
+}
+
+static const struct component_master_ops dss_component_ops = {
+	.bind = dss_bind,
+	.unbind = dss_unbind,
+};
+
+static int dss_add_child_component(struct device *dev, void *data)
+{
+	struct component_match **match = data;
+
+	/*
+	 * HACK
+	 * We don't have a working driver for rfbi, so skip it here always.
+	 * Otherwise dss will never get probed successfully, as it will wait
+	 * for rfbi to get probed.
+	 */
+	if (strstr(dev_name(dev), "rfbi"))
+		return 0;
+
+	component_match_add(dev->parent, match, component_compare_dev, dev);
+
+	return 0;
+}
+
+static int dss_probe(struct platform_device *pdev)
+{
+	struct component_match *match = NULL;
+	int r;
+
+	/* add all the child devices as components */
+	device_for_each_child(&pdev->dev, &match, dss_add_child_component);
+
+	r = component_master_add_with_match(&pdev->dev, &dss_component_ops, match);
+	if (r)
+		return r;
+
+	return 0;
+}
+
+static int dss_remove(struct platform_device *pdev)
+{
+	component_master_del(&pdev->dev, &dss_component_ops);
+	return 0;
+}
+
+static int dss_runtime_suspend(struct device *dev)
+{
+	dss_save_context();
+	dss_set_min_bus_tput(dev, 0);
+
+	pinctrl_pm_select_sleep_state(dev);
+
+	return 0;
+}
+
+static int dss_runtime_resume(struct device *dev)
+{
+	int r;
+
+	pinctrl_pm_select_default_state(dev);
+
+	/*
+	 * Set an arbitrarily high tput request to ensure OPP100.
+	 * What we should really do is to make a request to stay in OPP100,
+	 * without any tput requirements, but that is not currently possible
+	 * via the PM layer.
+	 */
+
+	r = dss_set_min_bus_tput(dev, 1000000000);
+	if (r)
+		return r;
+
+	dss_restore_context();
+	return 0;
+}
+
+static const struct dev_pm_ops dss_pm_ops = {
+	.runtime_suspend = dss_runtime_suspend,
+	.runtime_resume = dss_runtime_resume,
+};
+
+static const struct of_device_id dss_of_match[] = {
+	{ .compatible = "ti,omap2-dss", },
+	{ .compatible = "ti,omap3-dss", },
+	{ .compatible = "ti,omap4-dss", },
+	{ .compatible = "ti,omap5-dss", },
+	{ .compatible = "ti,dra7-dss", },
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, dss_of_match);
+
+static struct platform_driver omap_dsshw_driver = {
+	.probe		= dss_probe,
+	.remove		= dss_remove,
+	.driver         = {
+		.name   = "omapdss_dss",
+		.pm	= &dss_pm_ops,
+		.of_match_table = dss_of_match,
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init dss_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_dsshw_driver);
+}
+
+void dss_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omap_dsshw_driver);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.h b/drivers/video/fbdev/omap2/omapfb/dss/dss.h
new file mode 100644
index 000000000..21cfcbf74
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.h
@@ -0,0 +1,522 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/drivers/video/omap2/dss/dss.h
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#ifndef __OMAP2_DSS_H
+#define __OMAP2_DSS_H
+
+#include <linux/interrupt.h>
+
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#ifdef DSS_SUBSYS_NAME
+#define pr_fmt(fmt) DSS_SUBSYS_NAME ": " fmt
+#else
+#define pr_fmt(fmt) fmt
+#endif
+
+#define DSSDBG(format, ...) \
+	pr_debug(format, ## __VA_ARGS__)
+
+#ifdef DSS_SUBSYS_NAME
+#define DSSERR(format, ...) \
+	printk(KERN_ERR "omapdss " DSS_SUBSYS_NAME " error: " format, \
+	## __VA_ARGS__)
+#else
+#define DSSERR(format, ...) \
+	printk(KERN_ERR "omapdss error: " format, ## __VA_ARGS__)
+#endif
+
+#ifdef DSS_SUBSYS_NAME
+#define DSSINFO(format, ...) \
+	printk(KERN_INFO "omapdss " DSS_SUBSYS_NAME ": " format, \
+	## __VA_ARGS__)
+#else
+#define DSSINFO(format, ...) \
+	printk(KERN_INFO "omapdss: " format, ## __VA_ARGS__)
+#endif
+
+#ifdef DSS_SUBSYS_NAME
+#define DSSWARN(format, ...) \
+	printk(KERN_WARNING "omapdss " DSS_SUBSYS_NAME ": " format, \
+	## __VA_ARGS__)
+#else
+#define DSSWARN(format, ...) \
+	printk(KERN_WARNING "omapdss: " format, ## __VA_ARGS__)
+#endif
+
+/* OMAP TRM gives bitfields as start:end, where start is the higher bit
+   number. For example 7:0 */
+#define FLD_MASK(start, end)	(((1 << ((start) - (end) + 1)) - 1) << (end))
+#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
+#define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end))
+#define FLD_MOD(orig, val, start, end) \
+	(((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end))
+
+enum omap_dss_clk_source {
+	OMAP_DSS_CLK_SRC_FCK = 0,		/* OMAP2/3: DSS1_ALWON_FCLK
+						 * OMAP4: DSS_FCLK */
+	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC,	/* OMAP3: DSI1_PLL_FCLK
+						 * OMAP4: PLL1_CLK1 */
+	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI,	/* OMAP3: DSI2_PLL_FCLK
+						 * OMAP4: PLL1_CLK2 */
+	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC,	/* OMAP4: PLL2_CLK1 */
+	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI,	/* OMAP4: PLL2_CLK2 */
+};
+
+enum dss_io_pad_mode {
+	DSS_IO_PAD_MODE_RESET,
+	DSS_IO_PAD_MODE_RFBI,
+	DSS_IO_PAD_MODE_BYPASS,
+};
+
+enum dss_hdmi_venc_clk_source_select {
+	DSS_VENC_TV_CLK = 0,
+	DSS_HDMI_M_PCLK = 1,
+};
+
+enum dss_dsi_content_type {
+	DSS_DSI_CONTENT_DCS,
+	DSS_DSI_CONTENT_GENERIC,
+};
+
+enum dss_pll_id {
+	DSS_PLL_DSI1,
+	DSS_PLL_DSI2,
+	DSS_PLL_HDMI,
+	DSS_PLL_VIDEO1,
+	DSS_PLL_VIDEO2,
+};
+
+struct dss_pll;
+
+#define DSS_PLL_MAX_HSDIVS 4
+
+/*
+ * Type-A PLLs: clkout[]/mX[] refer to hsdiv outputs m4, m5, m6, m7.
+ * Type-B PLLs: clkout[0] refers to m2.
+ */
+struct dss_pll_clock_info {
+	/* rates that we get with dividers below */
+	unsigned long fint;
+	unsigned long clkdco;
+	unsigned long clkout[DSS_PLL_MAX_HSDIVS];
+
+	/* dividers */
+	u16 n;
+	u16 m;
+	u32 mf;
+	u16 mX[DSS_PLL_MAX_HSDIVS];
+	u16 sd;
+};
+
+struct dss_pll_ops {
+	int (*enable)(struct dss_pll *pll);
+	void (*disable)(struct dss_pll *pll);
+	int (*set_config)(struct dss_pll *pll,
+		const struct dss_pll_clock_info *cinfo);
+};
+
+struct dss_pll_hw {
+	unsigned n_max;
+	unsigned m_min;
+	unsigned m_max;
+	unsigned mX_max;
+
+	unsigned long fint_min, fint_max;
+	unsigned long clkdco_min, clkdco_low, clkdco_max;
+
+	u8 n_msb, n_lsb;
+	u8 m_msb, m_lsb;
+	u8 mX_msb[DSS_PLL_MAX_HSDIVS], mX_lsb[DSS_PLL_MAX_HSDIVS];
+
+	bool has_stopmode;
+	bool has_freqsel;
+	bool has_selfreqdco;
+	bool has_refsel;
+};
+
+struct dss_pll {
+	const char *name;
+	enum dss_pll_id id;
+
+	struct clk *clkin;
+	struct regulator *regulator;
+
+	void __iomem *base;
+
+	const struct dss_pll_hw *hw;
+
+	const struct dss_pll_ops *ops;
+
+	struct dss_pll_clock_info cinfo;
+};
+
+struct dispc_clock_info {
+	/* rates that we get with dividers below */
+	unsigned long lck;
+	unsigned long pck;
+
+	/* dividers */
+	u16 lck_div;
+	u16 pck_div;
+};
+
+struct dss_lcd_mgr_config {
+	enum dss_io_pad_mode io_pad_mode;
+
+	bool stallmode;
+	bool fifohandcheck;
+
+	struct dispc_clock_info clock_info;
+
+	int video_port_width;
+
+	int lcden_sig_polarity;
+};
+
+struct seq_file;
+struct platform_device;
+
+/* core */
+struct platform_device *dss_get_core_pdev(void);
+int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask);
+void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
+int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
+void dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
+
+/* display */
+int dss_suspend_all_devices(void);
+int dss_resume_all_devices(void);
+void dss_disable_all_devices(void);
+
+int display_init_sysfs(struct platform_device *pdev);
+void display_uninit_sysfs(struct platform_device *pdev);
+
+/* manager */
+int dss_init_overlay_managers(void);
+void dss_uninit_overlay_managers(void);
+int dss_init_overlay_managers_sysfs(struct platform_device *pdev);
+void dss_uninit_overlay_managers_sysfs(struct platform_device *pdev);
+int dss_mgr_simple_check(struct omap_overlay_manager *mgr,
+		const struct omap_overlay_manager_info *info);
+int dss_mgr_check_timings(struct omap_overlay_manager *mgr,
+		const struct omap_video_timings *timings);
+int dss_mgr_check(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info,
+		const struct omap_video_timings *mgr_timings,
+		const struct dss_lcd_mgr_config *config,
+		struct omap_overlay_info **overlay_infos);
+
+static inline bool dss_mgr_is_lcd(enum omap_channel id)
+{
+	if (id == OMAP_DSS_CHANNEL_LCD || id == OMAP_DSS_CHANNEL_LCD2 ||
+			id == OMAP_DSS_CHANNEL_LCD3)
+		return true;
+	else
+		return false;
+}
+
+int dss_manager_kobj_init(struct omap_overlay_manager *mgr,
+		struct platform_device *pdev);
+void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr);
+
+/* overlay */
+void dss_init_overlays(struct platform_device *pdev);
+void dss_uninit_overlays(struct platform_device *pdev);
+void dss_overlay_setup_dispc_manager(struct omap_overlay_manager *mgr);
+int dss_ovl_simple_check(struct omap_overlay *ovl,
+		const struct omap_overlay_info *info);
+int dss_ovl_check(struct omap_overlay *ovl, struct omap_overlay_info *info,
+		const struct omap_video_timings *mgr_timings);
+bool dss_ovl_use_replication(struct dss_lcd_mgr_config config,
+		enum omap_color_mode mode);
+int dss_overlay_kobj_init(struct omap_overlay *ovl,
+		struct platform_device *pdev);
+void dss_overlay_kobj_uninit(struct omap_overlay *ovl);
+
+/* DSS */
+int dss_init_platform_driver(void) __init;
+void dss_uninit_platform_driver(void);
+
+int dss_runtime_get(void);
+void dss_runtime_put(void);
+
+unsigned long dss_get_dispc_clk_rate(void);
+int dss_dpi_select_source(int port, enum omap_channel channel);
+void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
+enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
+const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src);
+void dss_dump_clocks(struct seq_file *s);
+
+/* DSS VIDEO PLL */
+struct dss_pll *dss_video_pll_init(struct platform_device *pdev, int id,
+	struct regulator *regulator);
+void dss_video_pll_uninit(struct dss_pll *pll);
+
+/* dss-of */
+struct device_node *dss_of_port_get_parent_device(struct device_node *port);
+u32 dss_of_port_get_port_number(struct device_node *port);
+
+#if defined(CONFIG_FB_OMAP2_DSS_DEBUGFS)
+void dss_debug_dump_clocks(struct seq_file *s);
+#endif
+
+void dss_ctrl_pll_enable(enum dss_pll_id pll_id, bool enable);
+void dss_ctrl_pll_set_control_mux(enum dss_pll_id pll_id,
+	enum omap_channel channel);
+
+void dss_sdi_init(int datapairs);
+int dss_sdi_enable(void);
+void dss_sdi_disable(void);
+
+void dss_select_dsi_clk_source(int dsi_module,
+		enum omap_dss_clk_source clk_src);
+void dss_select_lcd_clk_source(enum omap_channel channel,
+		enum omap_dss_clk_source clk_src);
+enum omap_dss_clk_source dss_get_dispc_clk_source(void);
+enum omap_dss_clk_source dss_get_dsi_clk_source(int dsi_module);
+enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel);
+
+void dss_set_venc_output(enum omap_dss_venc_type type);
+void dss_set_dac_pwrdn_bgz(bool enable);
+
+int dss_set_fck_rate(unsigned long rate);
+
+typedef bool (*dss_div_calc_func)(unsigned long fck, void *data);
+bool dss_div_calc(unsigned long pck, unsigned long fck_min,
+		dss_div_calc_func func, void *data);
+
+/* SDI */
+int sdi_init_platform_driver(void) __init;
+void sdi_uninit_platform_driver(void);
+
+#ifdef CONFIG_FB_OMAP2_DSS_SDI
+int sdi_init_port(struct platform_device *pdev, struct device_node *port);
+void sdi_uninit_port(struct device_node *port);
+#else
+static inline int sdi_init_port(struct platform_device *pdev,
+		struct device_node *port)
+{
+	return 0;
+}
+static inline void sdi_uninit_port(struct device_node *port)
+{
+}
+#endif
+
+/* DSI */
+
+#ifdef CONFIG_FB_OMAP2_DSS_DSI
+
+struct dentry;
+struct file_operations;
+
+int dsi_init_platform_driver(void) __init;
+void dsi_uninit_platform_driver(void);
+
+void dsi_dump_clocks(struct seq_file *s);
+
+void dsi_irq_handler(void);
+u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt);
+
+#else
+static inline u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt)
+{
+	WARN(1, "%s: DSI not compiled in, returning pixel_size as 0\n",
+	     __func__);
+	return 0;
+}
+#endif
+
+/* DPI */
+int dpi_init_platform_driver(void) __init;
+void dpi_uninit_platform_driver(void);
+
+#ifdef CONFIG_FB_OMAP2_DSS_DPI
+int dpi_init_port(struct platform_device *pdev, struct device_node *port);
+void dpi_uninit_port(struct device_node *port);
+#else
+static inline int dpi_init_port(struct platform_device *pdev,
+		struct device_node *port)
+{
+	return 0;
+}
+static inline void dpi_uninit_port(struct device_node *port)
+{
+}
+#endif
+
+/* DISPC */
+int dispc_init_platform_driver(void) __init;
+void dispc_uninit_platform_driver(void);
+void dispc_dump_clocks(struct seq_file *s);
+
+void dispc_enable_sidle(void);
+void dispc_disable_sidle(void);
+
+void dispc_lcd_enable_signal(bool enable);
+void dispc_pck_free_enable(bool enable);
+void dispc_enable_fifomerge(bool enable);
+void dispc_enable_gamma_table(bool enable);
+
+typedef bool (*dispc_div_calc_func)(int lckd, int pckd, unsigned long lck,
+		unsigned long pck, void *data);
+bool dispc_div_calc(unsigned long dispc,
+		unsigned long pck_min, unsigned long pck_max,
+		dispc_div_calc_func func, void *data);
+
+bool dispc_mgr_timings_ok(enum omap_channel channel,
+		const struct omap_video_timings *timings);
+int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
+		struct dispc_clock_info *cinfo);
+
+
+void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high);
+void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
+		u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
+		bool manual_update);
+
+void dispc_mgr_set_clock_div(enum omap_channel channel,
+		const struct dispc_clock_info *cinfo);
+int dispc_mgr_get_clock_div(enum omap_channel channel,
+		struct dispc_clock_info *cinfo);
+void dispc_set_tv_pclk(unsigned long pclk);
+
+u32 dispc_read_irqstatus(void);
+void dispc_clear_irqstatus(u32 mask);
+u32 dispc_read_irqenable(void);
+void dispc_write_irqenable(u32 mask);
+
+int dispc_request_irq(irq_handler_t handler, void *dev_id);
+void dispc_free_irq(void *dev_id);
+
+int dispc_runtime_get(void);
+void dispc_runtime_put(void);
+
+void dispc_mgr_enable(enum omap_channel channel, bool enable);
+bool dispc_mgr_is_enabled(enum omap_channel channel);
+u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
+u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
+u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel);
+bool dispc_mgr_go_busy(enum omap_channel channel);
+void dispc_mgr_go(enum omap_channel channel);
+void dispc_mgr_set_lcd_config(enum omap_channel channel,
+		const struct dss_lcd_mgr_config *config);
+void dispc_mgr_set_timings(enum omap_channel channel,
+		const struct omap_video_timings *timings);
+void dispc_mgr_setup(enum omap_channel channel,
+		const struct omap_overlay_manager_info *info);
+
+int dispc_ovl_check(enum omap_plane plane, enum omap_channel channel,
+		const struct omap_overlay_info *oi,
+		const struct omap_video_timings *timings,
+		int *x_predecim, int *y_predecim);
+
+int dispc_ovl_enable(enum omap_plane plane, bool enable);
+bool dispc_ovl_enabled(enum omap_plane plane);
+void dispc_ovl_set_channel_out(enum omap_plane plane,
+		enum omap_channel channel);
+int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
+		bool replication, const struct omap_video_timings *mgr_timings,
+		bool mem_to_mem);
+
+/* VENC */
+int venc_init_platform_driver(void) __init;
+void venc_uninit_platform_driver(void);
+
+/* HDMI */
+int hdmi4_init_platform_driver(void) __init;
+void hdmi4_uninit_platform_driver(void);
+
+int hdmi5_init_platform_driver(void) __init;
+void hdmi5_uninit_platform_driver(void);
+
+
+#ifdef CONFIG_FB_OMAP2_DSS_COLLECT_IRQ_STATS
+static inline void dss_collect_irq_stats(u32 irqstatus, unsigned *irq_arr)
+{
+	int b;
+	for (b = 0; b < 32; ++b) {
+		if (irqstatus & (1 << b))
+			irq_arr[b]++;
+	}
+}
+#endif
+
+/* PLL */
+typedef bool (*dss_pll_calc_func)(int n, int m, unsigned long fint,
+		unsigned long clkdco, void *data);
+typedef bool (*dss_hsdiv_calc_func)(int m_dispc, unsigned long dispc,
+		void *data);
+
+int dss_pll_register(struct dss_pll *pll);
+void dss_pll_unregister(struct dss_pll *pll);
+struct dss_pll *dss_pll_find(const char *name);
+int dss_pll_enable(struct dss_pll *pll);
+void dss_pll_disable(struct dss_pll *pll);
+int dss_pll_set_config(struct dss_pll *pll,
+		const struct dss_pll_clock_info *cinfo);
+
+bool dss_pll_hsdiv_calc(const struct dss_pll *pll, unsigned long clkdco,
+		unsigned long out_min, unsigned long out_max,
+		dss_hsdiv_calc_func func, void *data);
+bool dss_pll_calc(const struct dss_pll *pll, unsigned long clkin,
+		unsigned long pll_min, unsigned long pll_max,
+		dss_pll_calc_func func, void *data);
+int dss_pll_write_config_type_a(struct dss_pll *pll,
+		const struct dss_pll_clock_info *cinfo);
+int dss_pll_write_config_type_b(struct dss_pll *pll,
+		const struct dss_pll_clock_info *cinfo);
+int dss_pll_wait_reset_done(struct dss_pll *pll);
+
+/* compat */
+
+struct dss_mgr_ops {
+	int (*connect)(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
+	void (*disconnect)(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
+
+	void (*start_update)(struct omap_overlay_manager *mgr);
+	int (*enable)(struct omap_overlay_manager *mgr);
+	void (*disable)(struct omap_overlay_manager *mgr);
+	void (*set_timings)(struct omap_overlay_manager *mgr,
+			const struct omap_video_timings *timings);
+	void (*set_lcd_config)(struct omap_overlay_manager *mgr,
+			const struct dss_lcd_mgr_config *config);
+	int (*register_framedone_handler)(struct omap_overlay_manager *mgr,
+			void (*handler)(void *), void *data);
+	void (*unregister_framedone_handler)(struct omap_overlay_manager *mgr,
+			void (*handler)(void *), void *data);
+};
+
+int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops);
+void dss_uninstall_mgr_ops(void);
+
+int dss_mgr_connect(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
+void dss_mgr_disconnect(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst);
+void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
+		const struct omap_video_timings *timings);
+void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
+		const struct dss_lcd_mgr_config *config);
+int dss_mgr_enable(struct omap_overlay_manager *mgr);
+void dss_mgr_disable(struct omap_overlay_manager *mgr);
+void dss_mgr_start_update(struct omap_overlay_manager *mgr);
+int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
+		void (*handler)(void *), void *data);
+void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
+		void (*handler)(void *), void *data);
+
+#endif
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss_features.c b/drivers/video/fbdev/omap2/omapfb/dss/dss_features.c
new file mode 100644
index 000000000..62c2d48d9
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss_features.c
@@ -0,0 +1,939 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/dss_features.c
+ *
+ * Copyright (C) 2010 Texas Instruments
+ * Author: Archit Taneja <archit@ti.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+/* Defines a generic omap register field */
+struct dss_reg_field {
+	u8 start, end;
+};
+
+struct dss_param_range {
+	int min, max;
+};
+
+struct omap_dss_features {
+	const struct dss_reg_field *reg_fields;
+	const int num_reg_fields;
+
+	const enum dss_feat_id *features;
+	const int num_features;
+
+	const int num_mgrs;
+	const int num_ovls;
+	const enum omap_display_type *supported_displays;
+	const enum omap_dss_output_id *supported_outputs;
+	const enum omap_color_mode *supported_color_modes;
+	const enum omap_overlay_caps *overlay_caps;
+	const char * const *clksrc_names;
+	const struct dss_param_range *dss_params;
+
+	const enum omap_dss_rotation_type supported_rotation_types;
+
+	const u32 buffer_size_unit;
+	const u32 burst_size_unit;
+};
+
+/* This struct is assigned to one of the below during initialization */
+static const struct omap_dss_features *omap_current_dss_features;
+
+static const struct dss_reg_field omap2_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 11, 0 },
+	[FEAT_REG_FIRVINC]			= { 27, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 8, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 24, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 8, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 0, 0 },
+};
+
+static const struct dss_reg_field omap3_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 11, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 27, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 10, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 0, 0 },
+};
+
+static const struct dss_reg_field am43xx_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]	= { 11, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 27, 16 },
+	[FEAT_REG_FIFOSIZE]		= { 10, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 0, 0 },
+};
+
+static const struct dss_reg_field omap4_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 9, 8 },
+};
+
+static const struct dss_reg_field omap5_dss_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
+	[FEAT_REG_DISPC_CLK_SWITCH]		= { 9, 7 },
+};
+
+static const enum omap_display_type omap2_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC,
+};
+
+static const enum omap_display_type omap3430_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC,
+};
+
+static const enum omap_display_type omap3630_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC,
+};
+
+static const enum omap_display_type am43xx_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
+};
+
+static const enum omap_display_type omap4_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+};
+
+static const enum omap_display_type omap5_dss_supported_displays[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DISPLAY_TYPE_HDMI | OMAP_DISPLAY_TYPE_DPI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
+	OMAP_DISPLAY_TYPE_DSI,
+};
+
+static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id am43xx_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
+};
+
+static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
+static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_LCD3 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
+static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
+	OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+	OMAP_DSS_COLOR_UYVY,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+	OMAP_DSS_COLOR_UYVY,
+};
+
+static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+	OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
+};
+
+static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+	OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+	OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
+	OMAP_DSS_COLOR_ARGB16_1555 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_XRGB16_1555,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
+
+       /* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
+
+	/* OMAP_DSS_VIDEO3 */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
+
+	/* OMAP_DSS_WB */
+	OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
+	OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
+	OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
+	OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
+	OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
+	OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
+	OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
+	OMAP_DSS_COLOR_RGBX32,
+};
+
+static const enum omap_overlay_caps omap2_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
+};
+
+static const enum omap_overlay_caps omap3430_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
+};
+
+static const enum omap_overlay_caps omap3630_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
+};
+
+static const enum omap_overlay_caps omap4_dss_overlay_caps[] = {
+	/* OMAP_DSS_GFX */
+	OMAP_DSS_OVL_CAP_GLOBAL_ALPHA | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA |
+		OMAP_DSS_OVL_CAP_ZORDER | OMAP_DSS_OVL_CAP_POS |
+		OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO1 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO2 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
+
+	/* OMAP_DSS_VIDEO3 */
+	OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_GLOBAL_ALPHA |
+		OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA | OMAP_DSS_OVL_CAP_ZORDER |
+		OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
+};
+
+static const char * const omap2_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "N/A",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "N/A",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCLK1",
+};
+
+static const char * const omap3_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "DSI1_PLL_FCLK",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "DSI2_PLL_FCLK",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS1_ALWON_FCLK",
+};
+
+static const char * const omap4_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "PLL1_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "PLL1_CLK2",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_FCLK",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC]	= "PLL2_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]	= "PLL2_CLK2",
+};
+
+static const char * const omap5_dss_clk_source_names[] = {
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC]	= "DPLL_DSI1_A_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI]	= "DPLL_DSI1_A_CLK2",
+	[OMAP_DSS_CLK_SRC_FCK]			= "DSS_CLK",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC]	= "DPLL_DSI1_C_CLK1",
+	[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI]	= "DPLL_DSI1_C_CLK2",
+};
+
+static const struct dss_param_range omap2_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 133000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 2, 255 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 2 },
+	/*
+	 * Assuming the line width buffer to be 768 pixels as OMAP2 DISPC
+	 * scaler cannot scale a image with width more than 768.
+	 */
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 768 },
+};
+
+static const struct dss_param_range omap3_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 173000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
+	[FEAT_PARAM_DSIPLL_LPDIV]		= { 1, (1 << 13) - 1},
+	[FEAT_PARAM_DSI_FCK]			= { 0, 173000000 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 1024 },
+};
+
+static const struct dss_param_range am43xx_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 200000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 1024 },
+};
+
+static const struct dss_param_range omap4_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 186000000 },
+	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
+	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, (1 << 13) - 1 },
+	[FEAT_PARAM_DSI_FCK]			= { 0, 170000000 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 2048 },
+};
+
+static const struct dss_param_range omap5_dss_param_range[] = {
+	[FEAT_PARAM_DSS_FCK]			= { 0, 209250000 },
+	[FEAT_PARAM_DSS_PCD]			= { 1, 255 },
+	[FEAT_PARAM_DSIPLL_LPDIV]		= { 0, (1 << 13) - 1 },
+	[FEAT_PARAM_DSI_FCK]			= { 0, 209250000 },
+	[FEAT_PARAM_DOWNSCALE]			= { 1, 4 },
+	[FEAT_PARAM_LINEWIDTH]			= { 1, 2048 },
+};
+
+static const enum dss_feat_id omap2_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+};
+
+static const enum dss_feat_id omap3430_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	FEAT_DSI_REVERSE_TXCLKESC,
+	FEAT_VENC_REQUIRES_TV_DAC_CLK,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_OMAP3_DSI_FIFO_BUG,
+	FEAT_DPI_USES_VDDS_DSI,
+};
+
+static const enum dss_feat_id am35xx_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	FEAT_DSI_REVERSE_TXCLKESC,
+	FEAT_VENC_REQUIRES_TV_DAC_CLK,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_OMAP3_DSI_FIFO_BUG,
+};
+
+static const enum dss_feat_id am43xx_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_FIFO_MERGE,
+};
+
+static const enum dss_feat_id omap3630_dss_feat_list[] = {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	FEAT_DSI_PLL_PWR_BUG,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_OMAP3_DSI_FIFO_BUG,
+	FEAT_DPI_USES_VDDS_DSI,
+};
+
+static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_BURST_2D,
+};
+
+static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_BURST_2D,
+};
+
+static const enum dss_feat_id omap4_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HDMI_AUDIO_USE_MCLK,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_BURST_2D,
+};
+
+static const enum dss_feat_id omap5_dss_feat_list[] = {
+	FEAT_MGR_LCD2,
+	FEAT_MGR_LCD3,
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_GNQ,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HDMI_AUDIO_USE_MCLK,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+	FEAT_BURST_2D,
+	FEAT_DSI_PHY_DCC,
+	FEAT_MFLAG,
+};
+
+/* OMAP2 DSS Features */
+static const struct omap_dss_features omap2_dss_features = {
+	.reg_fields = omap2_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
+
+	.features = omap2_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap2_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap2_dss_supported_displays,
+	.supported_outputs = omap2_dss_supported_outputs,
+	.supported_color_modes = omap2_dss_supported_color_modes,
+	.overlay_caps = omap2_dss_overlay_caps,
+	.clksrc_names = omap2_dss_clk_source_names,
+	.dss_params = omap2_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+/* OMAP3 DSS Features */
+static const struct omap_dss_features omap3430_dss_features = {
+	.reg_fields = omap3_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
+
+	.features = omap3430_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap3430_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap3430_dss_supported_displays,
+	.supported_outputs = omap3430_dss_supported_outputs,
+	.supported_color_modes = omap3_dss_supported_color_modes,
+	.overlay_caps = omap3430_dss_overlay_caps,
+	.clksrc_names = omap3_dss_clk_source_names,
+	.dss_params = omap3_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+/*
+ * AM35xx DSS Features. This is basically OMAP3 DSS Features without the
+ * vdds_dsi regulator.
+ */
+static const struct omap_dss_features am35xx_dss_features = {
+	.reg_fields = omap3_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
+
+	.features = am35xx_dss_feat_list,
+	.num_features = ARRAY_SIZE(am35xx_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap3430_dss_supported_displays,
+	.supported_outputs = omap3430_dss_supported_outputs,
+	.supported_color_modes = omap3_dss_supported_color_modes,
+	.overlay_caps = omap3430_dss_overlay_caps,
+	.clksrc_names = omap3_dss_clk_source_names,
+	.dss_params = omap3_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+static const struct omap_dss_features am43xx_dss_features = {
+	.reg_fields = am43xx_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(am43xx_dss_reg_fields),
+
+	.features = am43xx_dss_feat_list,
+	.num_features = ARRAY_SIZE(am43xx_dss_feat_list),
+
+	.num_mgrs = 1,
+	.num_ovls = 3,
+	.supported_displays = am43xx_dss_supported_displays,
+	.supported_outputs = am43xx_dss_supported_outputs,
+	.supported_color_modes = omap3_dss_supported_color_modes,
+	.overlay_caps = omap3430_dss_overlay_caps,
+	.clksrc_names = omap2_dss_clk_source_names,
+	.dss_params = am43xx_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+static const struct omap_dss_features omap3630_dss_features = {
+	.reg_fields = omap3_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
+
+	.features = omap3630_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap3630_dss_feat_list),
+
+	.num_mgrs = 2,
+	.num_ovls = 3,
+	.supported_displays = omap3630_dss_supported_displays,
+	.supported_outputs = omap3630_dss_supported_outputs,
+	.supported_color_modes = omap3_dss_supported_color_modes,
+	.overlay_caps = omap3630_dss_overlay_caps,
+	.clksrc_names = omap3_dss_clk_source_names,
+	.dss_params = omap3_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_VRFB,
+	.buffer_size_unit = 1,
+	.burst_size_unit = 8,
+};
+
+/* OMAP4 DSS Features */
+/* For OMAP4430 ES 1.0 revision */
+static const struct omap_dss_features omap4430_es1_0_dss_features  = {
+	.reg_fields = omap4_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
+
+	.features = omap4430_es1_0_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list),
+
+	.num_mgrs = 3,
+	.num_ovls = 4,
+	.supported_displays = omap4_dss_supported_displays,
+	.supported_outputs = omap4_dss_supported_outputs,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap4_dss_clk_source_names,
+	.dss_params = omap4_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
+/* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
+static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
+	.reg_fields = omap4_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
+
+	.features = omap4430_es2_0_1_2_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list),
+
+	.num_mgrs = 3,
+	.num_ovls = 4,
+	.supported_displays = omap4_dss_supported_displays,
+	.supported_outputs = omap4_dss_supported_outputs,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap4_dss_clk_source_names,
+	.dss_params = omap4_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
+/* For all the other OMAP4 versions */
+static const struct omap_dss_features omap4_dss_features = {
+	.reg_fields = omap4_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
+
+	.features = omap4_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap4_dss_feat_list),
+
+	.num_mgrs = 3,
+	.num_ovls = 4,
+	.supported_displays = omap4_dss_supported_displays,
+	.supported_outputs = omap4_dss_supported_outputs,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap4_dss_clk_source_names,
+	.dss_params = omap4_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
+/* OMAP5 DSS Features */
+static const struct omap_dss_features omap5_dss_features = {
+	.reg_fields = omap5_dss_reg_fields,
+	.num_reg_fields = ARRAY_SIZE(omap5_dss_reg_fields),
+
+	.features = omap5_dss_feat_list,
+	.num_features = ARRAY_SIZE(omap5_dss_feat_list),
+
+	.num_mgrs = 4,
+	.num_ovls = 4,
+	.supported_displays = omap5_dss_supported_displays,
+	.supported_outputs = omap5_dss_supported_outputs,
+	.supported_color_modes = omap4_dss_supported_color_modes,
+	.overlay_caps = omap4_dss_overlay_caps,
+	.clksrc_names = omap5_dss_clk_source_names,
+	.dss_params = omap5_dss_param_range,
+	.supported_rotation_types = OMAP_DSS_ROT_DMA | OMAP_DSS_ROT_TILER,
+	.buffer_size_unit = 16,
+	.burst_size_unit = 16,
+};
+
+/* Functions returning values related to a DSS feature */
+int dss_feat_get_num_mgrs(void)
+{
+	return omap_current_dss_features->num_mgrs;
+}
+EXPORT_SYMBOL(dss_feat_get_num_mgrs);
+
+int dss_feat_get_num_ovls(void)
+{
+	return omap_current_dss_features->num_ovls;
+}
+EXPORT_SYMBOL(dss_feat_get_num_ovls);
+
+unsigned long dss_feat_get_param_min(enum dss_range_param param)
+{
+	return omap_current_dss_features->dss_params[param].min;
+}
+
+unsigned long dss_feat_get_param_max(enum dss_range_param param)
+{
+	return omap_current_dss_features->dss_params[param].max;
+}
+
+enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
+{
+	return omap_current_dss_features->supported_displays[channel];
+}
+
+enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
+{
+	return omap_current_dss_features->supported_outputs[channel];
+}
+
+enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
+{
+	return omap_current_dss_features->supported_color_modes[plane];
+}
+EXPORT_SYMBOL(dss_feat_get_supported_color_modes);
+
+enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane)
+{
+	return omap_current_dss_features->overlay_caps[plane];
+}
+
+bool dss_feat_color_mode_supported(enum omap_plane plane,
+		enum omap_color_mode color_mode)
+{
+	return omap_current_dss_features->supported_color_modes[plane] &
+			color_mode;
+}
+
+const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id)
+{
+	return omap_current_dss_features->clksrc_names[id];
+}
+
+u32 dss_feat_get_buffer_size_unit(void)
+{
+	return omap_current_dss_features->buffer_size_unit;
+}
+
+u32 dss_feat_get_burst_size_unit(void)
+{
+	return omap_current_dss_features->burst_size_unit;
+}
+
+/* DSS has_feature check */
+bool dss_has_feature(enum dss_feat_id id)
+{
+	int i;
+	const enum dss_feat_id *features = omap_current_dss_features->features;
+	const int num_features = omap_current_dss_features->num_features;
+
+	for (i = 0; i < num_features; i++) {
+		if (features[i] == id)
+			return true;
+	}
+
+	return false;
+}
+
+void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
+{
+	BUG_ON(id >= omap_current_dss_features->num_reg_fields);
+
+	*start = omap_current_dss_features->reg_fields[id].start;
+	*end = omap_current_dss_features->reg_fields[id].end;
+}
+
+bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type)
+{
+	return omap_current_dss_features->supported_rotation_types & rot_type;
+}
+
+void dss_features_init(enum omapdss_version version)
+{
+	switch (version) {
+	case OMAPDSS_VER_OMAP24xx:
+		omap_current_dss_features = &omap2_dss_features;
+		break;
+
+	case OMAPDSS_VER_OMAP34xx_ES1:
+	case OMAPDSS_VER_OMAP34xx_ES3:
+		omap_current_dss_features = &omap3430_dss_features;
+		break;
+
+	case OMAPDSS_VER_OMAP3630:
+		omap_current_dss_features = &omap3630_dss_features;
+		break;
+
+	case OMAPDSS_VER_OMAP4430_ES1:
+		omap_current_dss_features = &omap4430_es1_0_dss_features;
+		break;
+
+	case OMAPDSS_VER_OMAP4430_ES2:
+		omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
+		break;
+
+	case OMAPDSS_VER_OMAP4:
+		omap_current_dss_features = &omap4_dss_features;
+		break;
+
+	case OMAPDSS_VER_OMAP5:
+	case OMAPDSS_VER_DRA7xx:
+		omap_current_dss_features = &omap5_dss_features;
+		break;
+
+	case OMAPDSS_VER_AM35xx:
+		omap_current_dss_features = &am35xx_dss_features;
+		break;
+
+	case OMAPDSS_VER_AM43xx:
+		omap_current_dss_features = &am43xx_dss_features;
+		break;
+
+	default:
+		DSSWARN("Unsupported OMAP version");
+		break;
+	}
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss_features.h b/drivers/video/fbdev/omap2/omapfb/dss/dss_features.h
new file mode 100644
index 000000000..6d66d6270
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss_features.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/drivers/video/omap2/dss/dss_features.h
+ *
+ * Copyright (C) 2010 Texas Instruments
+ * Author: Archit Taneja <archit@ti.com>
+ */
+
+#ifndef __OMAP2_DSS_FEATURES_H
+#define __OMAP2_DSS_FEATURES_H
+
+#define MAX_DSS_MANAGERS	4
+#define MAX_DSS_OVERLAYS	4
+#define MAX_DSS_LCD_MANAGERS	3
+#define MAX_NUM_DSI		2
+
+/* DSS has feature id */
+enum dss_feat_id {
+	FEAT_LCDENABLEPOL,
+	FEAT_LCDENABLESIGNAL,
+	FEAT_PCKFREEENABLE,
+	FEAT_FUNCGATED,
+	FEAT_MGR_LCD2,
+	FEAT_MGR_LCD3,
+	FEAT_LINEBUFFERSPLIT,
+	FEAT_ROWREPEATENABLE,
+	FEAT_RESIZECONF,
+	/* Independent core clk divider */
+	FEAT_CORE_CLK_DIV,
+	FEAT_LCD_CLK_SRC,
+	/* DSI-PLL power command 0x3 is not working */
+	FEAT_DSI_PLL_PWR_BUG,
+	FEAT_DSI_DCS_CMD_CONFIG_VC,
+	FEAT_DSI_VC_OCP_WIDTH,
+	FEAT_DSI_REVERSE_TXCLKESC,
+	FEAT_DSI_GNQ,
+	FEAT_DPI_USES_VDDS_DSI,
+	FEAT_HDMI_CTS_SWMODE,
+	FEAT_HDMI_AUDIO_USE_MCLK,
+	FEAT_HANDLE_UV_SEPARATE,
+	FEAT_ATTR2,
+	FEAT_VENC_REQUIRES_TV_DAC_CLK,
+	FEAT_CPR,
+	FEAT_PRELOAD,
+	FEAT_FIR_COEF_V,
+	FEAT_ALPHA_FIXED_ZORDER,
+	FEAT_ALPHA_FREE_ZORDER,
+	FEAT_FIFO_MERGE,
+	/* An unknown HW bug causing the normal FIFO thresholds not to work */
+	FEAT_OMAP3_DSI_FIFO_BUG,
+	FEAT_BURST_2D,
+	FEAT_DSI_PHY_DCC,
+	FEAT_MFLAG,
+};
+
+/* DSS register field id */
+enum dss_feat_reg_field {
+	FEAT_REG_FIRHINC,
+	FEAT_REG_FIRVINC,
+	FEAT_REG_FIFOHIGHTHRESHOLD,
+	FEAT_REG_FIFOLOWTHRESHOLD,
+	FEAT_REG_FIFOSIZE,
+	FEAT_REG_HORIZONTALACCU,
+	FEAT_REG_VERTICALACCU,
+	FEAT_REG_DISPC_CLK_SWITCH,
+};
+
+enum dss_range_param {
+	FEAT_PARAM_DSS_FCK,
+	FEAT_PARAM_DSS_PCD,
+	FEAT_PARAM_DSIPLL_LPDIV,
+	FEAT_PARAM_DSI_FCK,
+	FEAT_PARAM_DOWNSCALE,
+	FEAT_PARAM_LINEWIDTH,
+};
+
+/* DSS Feature Functions */
+unsigned long dss_feat_get_param_min(enum dss_range_param param);
+unsigned long dss_feat_get_param_max(enum dss_range_param param);
+enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
+bool dss_feat_color_mode_supported(enum omap_plane plane,
+		enum omap_color_mode color_mode);
+const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
+
+u32 dss_feat_get_buffer_size_unit(void);	/* in bytes */
+u32 dss_feat_get_burst_size_unit(void);		/* in bytes */
+
+bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
+
+bool dss_has_feature(enum dss_feat_id id);
+void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
+void dss_features_init(enum omapdss_version version);
+
+enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
+enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
+
+#endif
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi.h b/drivers/video/fbdev/omap2/omapfb/dss/hdmi.h
new file mode 100644
index 000000000..9a7253355
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi.h
@@ -0,0 +1,360 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * HDMI driver definition for TI OMAP4 Processor.
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef _HDMI_H
+#define _HDMI_H
+
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/hdmi.h>
+#include <video/omapfb_dss.h>
+#include <sound/omap-hdmi-audio.h>
+
+#include "dss.h"
+
+/* HDMI Wrapper */
+
+#define HDMI_WP_REVISION			0x0
+#define HDMI_WP_SYSCONFIG			0x10
+#define HDMI_WP_IRQSTATUS_RAW			0x24
+#define HDMI_WP_IRQSTATUS			0x28
+#define HDMI_WP_IRQENABLE_SET			0x2C
+#define HDMI_WP_IRQENABLE_CLR			0x30
+#define HDMI_WP_IRQWAKEEN			0x34
+#define HDMI_WP_PWR_CTRL			0x40
+#define HDMI_WP_DEBOUNCE			0x44
+#define HDMI_WP_VIDEO_CFG			0x50
+#define HDMI_WP_VIDEO_SIZE			0x60
+#define HDMI_WP_VIDEO_TIMING_H			0x68
+#define HDMI_WP_VIDEO_TIMING_V			0x6C
+#define HDMI_WP_CLK				0x70
+#define HDMI_WP_AUDIO_CFG			0x80
+#define HDMI_WP_AUDIO_CFG2			0x84
+#define HDMI_WP_AUDIO_CTRL			0x88
+#define HDMI_WP_AUDIO_DATA			0x8C
+
+/* HDMI WP IRQ flags */
+#define HDMI_IRQ_CORE				(1 << 0)
+#define HDMI_IRQ_OCP_TIMEOUT			(1 << 4)
+#define HDMI_IRQ_AUDIO_FIFO_UNDERFLOW		(1 << 8)
+#define HDMI_IRQ_AUDIO_FIFO_OVERFLOW		(1 << 9)
+#define HDMI_IRQ_AUDIO_FIFO_SAMPLE_REQ		(1 << 10)
+#define HDMI_IRQ_VIDEO_VSYNC			(1 << 16)
+#define HDMI_IRQ_VIDEO_FRAME_DONE		(1 << 17)
+#define HDMI_IRQ_PHY_LINE5V_ASSERT		(1 << 24)
+#define HDMI_IRQ_LINK_CONNECT			(1 << 25)
+#define HDMI_IRQ_LINK_DISCONNECT		(1 << 26)
+#define HDMI_IRQ_PLL_LOCK			(1 << 29)
+#define HDMI_IRQ_PLL_UNLOCK			(1 << 30)
+#define HDMI_IRQ_PLL_RECAL			(1 << 31)
+
+/* HDMI PLL */
+
+#define PLLCTRL_PLL_CONTROL			0x0
+#define PLLCTRL_PLL_STATUS			0x4
+#define PLLCTRL_PLL_GO				0x8
+#define PLLCTRL_CFG1				0xC
+#define PLLCTRL_CFG2				0x10
+#define PLLCTRL_CFG3				0x14
+#define PLLCTRL_SSC_CFG1			0x18
+#define PLLCTRL_SSC_CFG2			0x1C
+#define PLLCTRL_CFG4				0x20
+
+/* HDMI PHY */
+
+#define HDMI_TXPHY_TX_CTRL			0x0
+#define HDMI_TXPHY_DIGITAL_CTRL			0x4
+#define HDMI_TXPHY_POWER_CTRL			0x8
+#define HDMI_TXPHY_PAD_CFG_CTRL			0xC
+#define HDMI_TXPHY_BIST_CONTROL			0x1C
+
+enum hdmi_pll_pwr {
+	HDMI_PLLPWRCMD_ALLOFF = 0,
+	HDMI_PLLPWRCMD_PLLONLY = 1,
+	HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2,
+	HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3
+};
+
+enum hdmi_phy_pwr {
+	HDMI_PHYPWRCMD_OFF = 0,
+	HDMI_PHYPWRCMD_LDOON = 1,
+	HDMI_PHYPWRCMD_TXON = 2
+};
+
+enum hdmi_core_hdmi_dvi {
+	HDMI_DVI = 0,
+	HDMI_HDMI = 1
+};
+
+enum hdmi_packing_mode {
+	HDMI_PACK_10b_RGB_YUV444 = 0,
+	HDMI_PACK_24b_RGB_YUV444_YUV422 = 1,
+	HDMI_PACK_20b_YUV422 = 2,
+	HDMI_PACK_ALREADYPACKED = 7
+};
+
+enum hdmi_stereo_channels {
+	HDMI_AUDIO_STEREO_NOCHANNELS = 0,
+	HDMI_AUDIO_STEREO_ONECHANNEL = 1,
+	HDMI_AUDIO_STEREO_TWOCHANNELS = 2,
+	HDMI_AUDIO_STEREO_THREECHANNELS = 3,
+	HDMI_AUDIO_STEREO_FOURCHANNELS = 4
+};
+
+enum hdmi_audio_type {
+	HDMI_AUDIO_TYPE_LPCM = 0,
+	HDMI_AUDIO_TYPE_IEC = 1
+};
+
+enum hdmi_audio_justify {
+	HDMI_AUDIO_JUSTIFY_LEFT = 0,
+	HDMI_AUDIO_JUSTIFY_RIGHT = 1
+};
+
+enum hdmi_audio_sample_order {
+	HDMI_AUDIO_SAMPLE_RIGHT_FIRST = 0,
+	HDMI_AUDIO_SAMPLE_LEFT_FIRST = 1
+};
+
+enum hdmi_audio_samples_perword {
+	HDMI_AUDIO_ONEWORD_ONESAMPLE = 0,
+	HDMI_AUDIO_ONEWORD_TWOSAMPLES = 1
+};
+
+enum hdmi_audio_sample_size_omap {
+	HDMI_AUDIO_SAMPLE_16BITS = 0,
+	HDMI_AUDIO_SAMPLE_24BITS = 1
+};
+
+enum hdmi_audio_transf_mode {
+	HDMI_AUDIO_TRANSF_DMA = 0,
+	HDMI_AUDIO_TRANSF_IRQ = 1
+};
+
+enum hdmi_audio_blk_strt_end_sig {
+	HDMI_AUDIO_BLOCK_SIG_STARTEND_ON = 0,
+	HDMI_AUDIO_BLOCK_SIG_STARTEND_OFF = 1
+};
+
+enum hdmi_core_audio_layout {
+	HDMI_AUDIO_LAYOUT_2CH = 0,
+	HDMI_AUDIO_LAYOUT_8CH = 1,
+	HDMI_AUDIO_LAYOUT_6CH = 2
+};
+
+enum hdmi_core_cts_mode {
+	HDMI_AUDIO_CTS_MODE_HW = 0,
+	HDMI_AUDIO_CTS_MODE_SW = 1
+};
+
+enum hdmi_audio_mclk_mode {
+	HDMI_AUDIO_MCLK_128FS = 0,
+	HDMI_AUDIO_MCLK_256FS = 1,
+	HDMI_AUDIO_MCLK_384FS = 2,
+	HDMI_AUDIO_MCLK_512FS = 3,
+	HDMI_AUDIO_MCLK_768FS = 4,
+	HDMI_AUDIO_MCLK_1024FS = 5,
+	HDMI_AUDIO_MCLK_1152FS = 6,
+	HDMI_AUDIO_MCLK_192FS = 7
+};
+
+struct hdmi_video_format {
+	enum hdmi_packing_mode	packing_mode;
+	u32			y_res;	/* Line per panel */
+	u32			x_res;	/* pixel per line */
+};
+
+struct hdmi_config {
+	struct omap_video_timings timings;
+	struct hdmi_avi_infoframe infoframe;
+	enum hdmi_core_hdmi_dvi hdmi_dvi_mode;
+};
+
+struct hdmi_audio_format {
+	enum hdmi_stereo_channels		stereo_channels;
+	u8					active_chnnls_msk;
+	enum hdmi_audio_type			type;
+	enum hdmi_audio_justify			justification;
+	enum hdmi_audio_sample_order		sample_order;
+	enum hdmi_audio_samples_perword		samples_per_word;
+	enum hdmi_audio_sample_size_omap	sample_size;
+	enum hdmi_audio_blk_strt_end_sig	en_sig_blk_strt_end;
+};
+
+struct hdmi_audio_dma {
+	u8				transfer_size;
+	u8				block_size;
+	enum hdmi_audio_transf_mode	mode;
+	u16				fifo_threshold;
+};
+
+struct hdmi_core_audio_i2s_config {
+	u8 in_length_bits;
+	u8 justification;
+	u8 sck_edge_mode;
+	u8 vbit;
+	u8 direction;
+	u8 shift;
+	u8 active_sds;
+};
+
+struct hdmi_core_audio_config {
+	struct hdmi_core_audio_i2s_config	i2s_cfg;
+	struct snd_aes_iec958			*iec60958_cfg;
+	bool					fs_override;
+	u32					n;
+	u32					cts;
+	u32					aud_par_busclk;
+	enum hdmi_core_audio_layout		layout;
+	enum hdmi_core_cts_mode			cts_mode;
+	bool					use_mclk;
+	enum hdmi_audio_mclk_mode		mclk_mode;
+	bool					en_acr_pkt;
+	bool					en_dsd_audio;
+	bool					en_parallel_aud_input;
+	bool					en_spdif;
+};
+
+struct hdmi_wp_data {
+	void __iomem *base;
+	phys_addr_t phys_base;
+};
+
+struct hdmi_pll_data {
+	struct dss_pll pll;
+
+	void __iomem *base;
+
+	struct hdmi_wp_data *wp;
+};
+
+struct hdmi_phy_data {
+	void __iomem *base;
+
+	u8 lane_function[4];
+	u8 lane_polarity[4];
+};
+
+struct hdmi_core_data {
+	void __iomem *base;
+};
+
+static inline void hdmi_write_reg(void __iomem *base_addr, const u32 idx,
+		u32 val)
+{
+	__raw_writel(val, base_addr + idx);
+}
+
+static inline u32 hdmi_read_reg(void __iomem *base_addr, const u32 idx)
+{
+	return __raw_readl(base_addr + idx);
+}
+
+#define REG_FLD_MOD(base, idx, val, start, end) \
+	hdmi_write_reg(base, idx, FLD_MOD(hdmi_read_reg(base, idx),\
+							val, start, end))
+#define REG_GET(base, idx, start, end) \
+	FLD_GET(hdmi_read_reg(base, idx), start, end)
+
+static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
+		const u32 idx, int b2, int b1, u32 val)
+{
+	u32 t = 0, v;
+	while (val != (v = REG_GET(base_addr, idx, b2, b1))) {
+		if (t++ > 10000)
+			return v;
+		udelay(1);
+	}
+	return v;
+}
+
+/* HDMI wrapper funcs */
+int hdmi_wp_video_start(struct hdmi_wp_data *wp);
+void hdmi_wp_video_stop(struct hdmi_wp_data *wp);
+void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s);
+u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp);
+void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus);
+void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask);
+void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask);
+int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val);
+int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val);
+void hdmi_wp_video_config_format(struct hdmi_wp_data *wp,
+		struct hdmi_video_format *video_fmt);
+void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
+		struct omap_video_timings *timings);
+void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
+		struct omap_video_timings *timings);
+void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
+		struct omap_video_timings *timings, struct hdmi_config *param);
+int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp);
+phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp);
+
+/* HDMI PLL funcs */
+void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s);
+void hdmi_pll_compute(struct hdmi_pll_data *pll,
+	unsigned long target_tmds, struct dss_pll_clock_info *pi);
+int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll,
+	struct hdmi_wp_data *wp);
+void hdmi_pll_uninit(struct hdmi_pll_data *hpll);
+
+/* HDMI PHY funcs */
+int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk,
+	unsigned long lfbitclk);
+void hdmi_phy_dump(struct hdmi_phy_data *phy, struct seq_file *s);
+int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy);
+int hdmi_phy_parse_lanes(struct hdmi_phy_data *phy, const u32 *lanes);
+
+/* HDMI common funcs */
+int hdmi_parse_lanes_of(struct platform_device *pdev, struct device_node *ep,
+	struct hdmi_phy_data *phy);
+
+/* Audio funcs */
+int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts);
+int hdmi_wp_audio_enable(struct hdmi_wp_data *wp, bool enable);
+int hdmi_wp_audio_core_req_enable(struct hdmi_wp_data *wp, bool enable);
+void hdmi_wp_audio_config_format(struct hdmi_wp_data *wp,
+		struct hdmi_audio_format *aud_fmt);
+void hdmi_wp_audio_config_dma(struct hdmi_wp_data *wp,
+		struct hdmi_audio_dma *aud_dma);
+static inline bool hdmi_mode_has_audio(struct hdmi_config *cfg)
+{
+	return cfg->hdmi_dvi_mode == HDMI_HDMI ? true : false;
+}
+
+/* HDMI DRV data */
+struct omap_hdmi {
+	struct mutex lock;
+	struct platform_device *pdev;
+
+	struct hdmi_wp_data	wp;
+	struct hdmi_pll_data	pll;
+	struct hdmi_phy_data	phy;
+	struct hdmi_core_data	core;
+
+	struct hdmi_config cfg;
+
+	struct regulator *vdda_reg;
+
+	bool core_enabled;
+
+	struct omap_dss_device output;
+
+	struct platform_device *audio_pdev;
+	void (*audio_abort_cb)(struct device *dev);
+	int wp_idlemode;
+
+	bool audio_configured;
+	struct omap_dss_audio audio_config;
+
+	/* This lock should be taken when booleans bellow are touched. */
+	spinlock_t audio_playing_lock;
+	bool audio_playing;
+	bool display_enabled;
+};
+
+#endif
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
new file mode 100644
index 000000000..0f39612e0
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
@@ -0,0 +1,812 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * HDMI interface DSS driver for TI's OMAP4 family of SoCs.
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
+ * Authors: Yong Zhi
+ *	Mythri pk <mythripk@ti.com>
+ */
+
+#define DSS_SUBSYS_NAME "HDMI"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/clk.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+#include <linux/component.h>
+#include <video/omapfb_dss.h>
+#include <sound/omap-hdmi-audio.h>
+
+#include "hdmi4_core.h"
+#include "dss.h"
+#include "dss_features.h"
+#include "hdmi.h"
+
+static struct omap_hdmi hdmi;
+
+static int hdmi_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("hdmi_runtime_get\n");
+
+	r = pm_runtime_resume_and_get(&hdmi.pdev->dev);
+	if (WARN_ON(r < 0))
+		return r;
+
+	return 0;
+}
+
+static void hdmi_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("hdmi_runtime_put\n");
+
+	r = pm_runtime_put_sync(&hdmi.pdev->dev);
+	WARN_ON(r < 0 && r != -ENOSYS);
+}
+
+static irqreturn_t hdmi_irq_handler(int irq, void *data)
+{
+	struct hdmi_wp_data *wp = data;
+	u32 irqstatus;
+
+	irqstatus = hdmi_wp_get_irqstatus(wp);
+	hdmi_wp_set_irqstatus(wp, irqstatus);
+
+	if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
+			irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
+		/*
+		 * If we get both connect and disconnect interrupts at the same
+		 * time, turn off the PHY, clear interrupts, and restart, which
+		 * raises connect interrupt if a cable is connected, or nothing
+		 * if cable is not connected.
+		 */
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
+
+		hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
+				HDMI_IRQ_LINK_DISCONNECT);
+
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
+	} else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
+	} else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int hdmi_init_regulator(void)
+{
+	struct regulator *reg;
+
+	if (hdmi.vdda_reg != NULL)
+		return 0;
+
+	reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");
+
+	if (IS_ERR(reg)) {
+		if (PTR_ERR(reg) != -EPROBE_DEFER)
+			DSSERR("can't get VDDA regulator\n");
+		return PTR_ERR(reg);
+	}
+
+	hdmi.vdda_reg = reg;
+
+	return 0;
+}
+
+static int hdmi_power_on_core(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = regulator_enable(hdmi.vdda_reg);
+	if (r)
+		return r;
+
+	r = hdmi_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	/* Make selection of HDMI in DSS */
+	dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
+
+	hdmi.core_enabled = true;
+
+	return 0;
+
+err_runtime_get:
+	regulator_disable(hdmi.vdda_reg);
+
+	return r;
+}
+
+static void hdmi_power_off_core(struct omap_dss_device *dssdev)
+{
+	hdmi.core_enabled = false;
+
+	hdmi_runtime_put();
+	regulator_disable(hdmi.vdda_reg);
+}
+
+static int hdmi_power_on_full(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct omap_video_timings *p;
+	struct omap_overlay_manager *mgr = hdmi.output.manager;
+	struct hdmi_wp_data *wp = &hdmi.wp;
+	struct dss_pll_clock_info hdmi_cinfo = { 0 };
+
+	r = hdmi_power_on_core(dssdev);
+	if (r)
+		return r;
+
+	/* disable and clear irqs */
+	hdmi_wp_clear_irqenable(wp, 0xffffffff);
+	hdmi_wp_set_irqstatus(wp, 0xffffffff);
+
+	p = &hdmi.cfg.timings;
+
+	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
+
+	hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);
+
+	r = dss_pll_enable(&hdmi.pll.pll);
+	if (r) {
+		DSSERR("Failed to enable PLL\n");
+		goto err_pll_enable;
+	}
+
+	r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
+	if (r) {
+		DSSERR("Failed to configure PLL\n");
+		goto err_pll_cfg;
+	}
+
+	r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
+		hdmi_cinfo.clkout[0]);
+	if (r) {
+		DSSDBG("Failed to configure PHY\n");
+		goto err_phy_cfg;
+	}
+
+	r = hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
+	if (r)
+		goto err_phy_pwr;
+
+	hdmi4_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
+
+	/* bypass TV gamma table */
+	dispc_enable_gamma_table(0);
+
+	/* tv size */
+	dss_mgr_set_timings(mgr, p);
+
+	r = hdmi_wp_video_start(&hdmi.wp);
+	if (r)
+		goto err_vid_enable;
+
+	r = dss_mgr_enable(mgr);
+	if (r)
+		goto err_mgr_enable;
+
+	hdmi_wp_set_irqenable(wp,
+		HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
+
+	return 0;
+
+err_mgr_enable:
+	hdmi_wp_video_stop(&hdmi.wp);
+err_vid_enable:
+	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
+err_phy_pwr:
+err_phy_cfg:
+err_pll_cfg:
+	dss_pll_disable(&hdmi.pll.pll);
+err_pll_enable:
+	hdmi_power_off_core(dssdev);
+	return -EIO;
+}
+
+static void hdmi_power_off_full(struct omap_dss_device *dssdev)
+{
+	struct omap_overlay_manager *mgr = hdmi.output.manager;
+
+	hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
+
+	dss_mgr_disable(mgr);
+
+	hdmi_wp_video_stop(&hdmi.wp);
+
+	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
+
+	dss_pll_disable(&hdmi.pll.pll);
+
+	hdmi_power_off_core(dssdev);
+}
+
+static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
+					struct omap_video_timings *timings)
+{
+	struct omap_dss_device *out = &hdmi.output;
+
+	if (!dispc_mgr_timings_ok(out->dispc_channel, timings))
+		return -EINVAL;
+
+	return 0;
+}
+
+static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	mutex_lock(&hdmi.lock);
+
+	hdmi.cfg.timings = *timings;
+
+	dispc_set_tv_pclk(timings->pixelclock);
+
+	mutex_unlock(&hdmi.lock);
+}
+
+static void hdmi_display_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = hdmi.cfg.timings;
+}
+
+static void hdmi_dump_regs(struct seq_file *s)
+{
+	mutex_lock(&hdmi.lock);
+
+	if (hdmi_runtime_get()) {
+		mutex_unlock(&hdmi.lock);
+		return;
+	}
+
+	hdmi_wp_dump(&hdmi.wp, s);
+	hdmi_pll_dump(&hdmi.pll, s);
+	hdmi_phy_dump(&hdmi.phy, s);
+	hdmi4_core_dump(&hdmi.core, s);
+
+	hdmi_runtime_put();
+	mutex_unlock(&hdmi.lock);
+}
+
+static int read_edid(u8 *buf, int len)
+{
+	int r;
+
+	mutex_lock(&hdmi.lock);
+
+	r = hdmi_runtime_get();
+	BUG_ON(r);
+
+	r = hdmi4_read_edid(&hdmi.core,  buf, len);
+
+	hdmi_runtime_put();
+	mutex_unlock(&hdmi.lock);
+
+	return r;
+}
+
+static void hdmi_start_audio_stream(struct omap_hdmi *hd)
+{
+	hdmi_wp_audio_enable(&hd->wp, true);
+	hdmi4_audio_start(&hd->core, &hd->wp);
+}
+
+static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
+{
+	hdmi4_audio_stop(&hd->core, &hd->wp);
+	hdmi_wp_audio_enable(&hd->wp, false);
+}
+
+static int hdmi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_device *out = &hdmi.output;
+	unsigned long flags;
+	int r = 0;
+
+	DSSDBG("ENTER hdmi_display_enable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	if (out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
+		r = -ENODEV;
+		goto err0;
+	}
+
+	r = hdmi_power_on_full(dssdev);
+	if (r) {
+		DSSERR("failed to power on device\n");
+		goto err0;
+	}
+
+	if (hdmi.audio_configured) {
+		r = hdmi4_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config,
+				       hdmi.cfg.timings.pixelclock);
+		if (r) {
+			DSSERR("Error restoring audio configuration: %d", r);
+			hdmi.audio_abort_cb(&hdmi.pdev->dev);
+			hdmi.audio_configured = false;
+		}
+	}
+
+	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
+	if (hdmi.audio_configured && hdmi.audio_playing)
+		hdmi_start_audio_stream(&hdmi);
+	hdmi.display_enabled = true;
+	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
+
+	mutex_unlock(&hdmi.lock);
+	return 0;
+
+err0:
+	mutex_unlock(&hdmi.lock);
+	return r;
+}
+
+static void hdmi_display_disable(struct omap_dss_device *dssdev)
+{
+	unsigned long flags;
+
+	DSSDBG("Enter hdmi_display_disable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
+	hdmi_stop_audio_stream(&hdmi);
+	hdmi.display_enabled = false;
+	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
+
+	hdmi_power_off_full(dssdev);
+
+	mutex_unlock(&hdmi.lock);
+}
+
+static int hdmi_core_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	DSSDBG("ENTER omapdss_hdmi_core_enable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	r = hdmi_power_on_core(dssdev);
+	if (r) {
+		DSSERR("failed to power on device\n");
+		goto err0;
+	}
+
+	mutex_unlock(&hdmi.lock);
+	return 0;
+
+err0:
+	mutex_unlock(&hdmi.lock);
+	return r;
+}
+
+static void hdmi_core_disable(struct omap_dss_device *dssdev)
+{
+	DSSDBG("Enter omapdss_hdmi_core_disable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	hdmi_power_off_core(dssdev);
+
+	mutex_unlock(&hdmi.lock);
+}
+
+static int hdmi_connect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	struct omap_overlay_manager *mgr;
+	int r;
+
+	r = hdmi_init_regulator();
+	if (r)
+		return r;
+
+	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
+	if (!mgr)
+		return -ENODEV;
+
+	r = dss_mgr_connect(mgr, dssdev);
+	if (r)
+		return r;
+
+	r = omapdss_output_set_device(dssdev, dst);
+	if (r) {
+		DSSERR("failed to connect output to new device: %s\n",
+				dst->name);
+		dss_mgr_disconnect(mgr, dssdev);
+		return r;
+	}
+
+	return 0;
+}
+
+static void hdmi_disconnect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	WARN_ON(dst != dssdev->dst);
+
+	if (dst != dssdev->dst)
+		return;
+
+	omapdss_output_unset_device(dssdev);
+
+	if (dssdev->manager)
+		dss_mgr_disconnect(dssdev->manager, dssdev);
+}
+
+static int hdmi_read_edid(struct omap_dss_device *dssdev,
+		u8 *edid, int len)
+{
+	bool need_enable = !hdmi.core_enabled;
+	int r;
+
+	if (need_enable) {
+		r = hdmi_core_enable(dssdev);
+		if (r)
+			return r;
+	}
+
+	r = read_edid(edid, len);
+
+	if (need_enable)
+		hdmi_core_disable(dssdev);
+
+	return r;
+}
+
+static int hdmi_set_infoframe(struct omap_dss_device *dssdev,
+		const struct hdmi_avi_infoframe *avi)
+{
+	hdmi.cfg.infoframe = *avi;
+	return 0;
+}
+
+static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev,
+		bool hdmi_mode)
+{
+	hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;
+	return 0;
+}
+
+static const struct omapdss_hdmi_ops hdmi_ops = {
+	.connect		= hdmi_connect,
+	.disconnect		= hdmi_disconnect,
+
+	.enable			= hdmi_display_enable,
+	.disable		= hdmi_display_disable,
+
+	.check_timings		= hdmi_display_check_timing,
+	.set_timings		= hdmi_display_set_timing,
+	.get_timings		= hdmi_display_get_timings,
+
+	.read_edid		= hdmi_read_edid,
+	.set_infoframe		= hdmi_set_infoframe,
+	.set_hdmi_mode		= hdmi_set_hdmi_mode,
+};
+
+static void hdmi_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &hdmi.output;
+
+	out->dev = &pdev->dev;
+	out->id = OMAP_DSS_OUTPUT_HDMI;
+	out->output_type = OMAP_DISPLAY_TYPE_HDMI;
+	out->name = "hdmi.0";
+	out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
+	out->ops.hdmi = &hdmi_ops;
+	out->owner = THIS_MODULE;
+
+	omapdss_register_output(out);
+}
+
+static void hdmi_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &hdmi.output;
+
+	omapdss_unregister_output(out);
+}
+
+static int hdmi_probe_of(struct platform_device *pdev)
+{
+	struct device_node *node = pdev->dev.of_node;
+	struct device_node *ep;
+	int r;
+
+	ep = omapdss_of_get_first_endpoint(node);
+	if (!ep)
+		return 0;
+
+	r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy);
+	if (r)
+		goto err;
+
+	of_node_put(ep);
+	return 0;
+
+err:
+	of_node_put(ep);
+	return r;
+}
+
+/* Audio callbacks */
+static int hdmi_audio_startup(struct device *dev,
+			      void (*abort_cb)(struct device *dev))
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	int ret = 0;
+
+	mutex_lock(&hd->lock);
+
+	if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
+		ret = -EPERM;
+		goto out;
+	}
+
+	hd->audio_abort_cb = abort_cb;
+
+out:
+	mutex_unlock(&hd->lock);
+
+	return ret;
+}
+
+static int hdmi_audio_shutdown(struct device *dev)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+
+	mutex_lock(&hd->lock);
+	hd->audio_abort_cb = NULL;
+	hd->audio_configured = false;
+	hd->audio_playing = false;
+	mutex_unlock(&hd->lock);
+
+	return 0;
+}
+
+static int hdmi_audio_start(struct device *dev)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	unsigned long flags;
+
+	WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
+
+	spin_lock_irqsave(&hd->audio_playing_lock, flags);
+
+	if (hd->display_enabled)
+		hdmi_start_audio_stream(hd);
+	hd->audio_playing = true;
+
+	spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
+	return 0;
+}
+
+static void hdmi_audio_stop(struct device *dev)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	unsigned long flags;
+
+	WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
+
+	spin_lock_irqsave(&hd->audio_playing_lock, flags);
+
+	if (hd->display_enabled)
+		hdmi_stop_audio_stream(hd);
+	hd->audio_playing = false;
+
+	spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
+}
+
+static int hdmi_audio_config(struct device *dev,
+			     struct omap_dss_audio *dss_audio)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	int ret;
+
+	mutex_lock(&hd->lock);
+
+	if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
+		ret = -EPERM;
+		goto out;
+	}
+
+	ret = hdmi4_audio_config(&hd->core, &hd->wp, dss_audio,
+				 hd->cfg.timings.pixelclock);
+	if (!ret) {
+		hd->audio_configured = true;
+		hd->audio_config = *dss_audio;
+	}
+out:
+	mutex_unlock(&hd->lock);
+
+	return ret;
+}
+
+static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
+	.audio_startup = hdmi_audio_startup,
+	.audio_shutdown = hdmi_audio_shutdown,
+	.audio_start = hdmi_audio_start,
+	.audio_stop = hdmi_audio_stop,
+	.audio_config = hdmi_audio_config,
+};
+
+static int hdmi_audio_register(struct device *dev)
+{
+	struct omap_hdmi_audio_pdata pdata = {
+		.dev = dev,
+		.version = 4,
+		.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
+		.ops = &hdmi_audio_ops,
+	};
+
+	hdmi.audio_pdev = platform_device_register_data(
+		dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
+		&pdata, sizeof(pdata));
+
+	return PTR_ERR_OR_ZERO(hdmi.audio_pdev);
+}
+
+/* HDMI HW IP initialisation */
+static int hdmi4_bind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	int r;
+	int irq;
+
+	hdmi.pdev = pdev;
+	platform_set_drvdata(pdev, &hdmi);
+
+	mutex_init(&hdmi.lock);
+	spin_lock_init(&hdmi.audio_playing_lock);
+
+	if (pdev->dev.of_node) {
+		r = hdmi_probe_of(pdev);
+		if (r)
+			return r;
+	}
+
+	r = hdmi_wp_init(pdev, &hdmi.wp);
+	if (r)
+		return r;
+
+	r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp);
+	if (r)
+		return r;
+
+	r = hdmi_phy_init(pdev, &hdmi.phy);
+	if (r)
+		goto err;
+
+	r = hdmi4_core_init(pdev, &hdmi.core);
+	if (r)
+		goto err;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		DSSERR("platform_get_irq failed\n");
+		r = -ENODEV;
+		goto err;
+	}
+
+	r = devm_request_threaded_irq(&pdev->dev, irq,
+			NULL, hdmi_irq_handler,
+			IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);
+	if (r) {
+		DSSERR("HDMI IRQ request failed\n");
+		goto err;
+	}
+
+	pm_runtime_enable(&pdev->dev);
+
+	hdmi_init_output(pdev);
+
+	r = hdmi_audio_register(&pdev->dev);
+	if (r) {
+		DSSERR("Registering HDMI audio failed\n");
+		hdmi_uninit_output(pdev);
+		pm_runtime_disable(&pdev->dev);
+		return r;
+	}
+
+	dss_debugfs_create_file("hdmi", hdmi_dump_regs);
+
+	return 0;
+err:
+	hdmi_pll_uninit(&hdmi.pll);
+	return r;
+}
+
+static void hdmi4_unbind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	if (hdmi.audio_pdev)
+		platform_device_unregister(hdmi.audio_pdev);
+
+	hdmi_uninit_output(pdev);
+
+	hdmi_pll_uninit(&hdmi.pll);
+
+	pm_runtime_disable(&pdev->dev);
+}
+
+static const struct component_ops hdmi4_component_ops = {
+	.bind	= hdmi4_bind,
+	.unbind	= hdmi4_unbind,
+};
+
+static int hdmi4_probe(struct platform_device *pdev)
+{
+	return component_add(&pdev->dev, &hdmi4_component_ops);
+}
+
+static int hdmi4_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &hdmi4_component_ops);
+	return 0;
+}
+
+static int hdmi_runtime_suspend(struct device *dev)
+{
+	dispc_runtime_put();
+
+	return 0;
+}
+
+static int hdmi_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dispc_runtime_get();
+	if (r < 0)
+		return r;
+
+	return 0;
+}
+
+static const struct dev_pm_ops hdmi_pm_ops = {
+	.runtime_suspend = hdmi_runtime_suspend,
+	.runtime_resume = hdmi_runtime_resume,
+};
+
+static const struct of_device_id hdmi_of_match[] = {
+	{ .compatible = "ti,omap4-hdmi", },
+	{},
+};
+
+static struct platform_driver omapdss_hdmihw_driver = {
+	.probe		= hdmi4_probe,
+	.remove		= hdmi4_remove,
+	.driver         = {
+		.name   = "omapdss_hdmi",
+		.pm	= &hdmi_pm_ops,
+		.of_match_table = hdmi_of_match,
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init hdmi4_init_platform_driver(void)
+{
+	return platform_driver_register(&omapdss_hdmihw_driver);
+}
+
+void hdmi4_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omapdss_hdmihw_driver);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.c
new file mode 100644
index 000000000..e6363a420
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.c
@@ -0,0 +1,885 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * ti_hdmi_4xxx_ip.c
+ *
+ * HDMI TI81xx, TI38xx, TI OMAP4 etc IP driver Library
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
+ * Authors: Yong Zhi
+ *	Mythri pk <mythripk@ti.com>
+ */
+
+#define DSS_SUBSYS_NAME "HDMICORE"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/string.h>
+#include <linux/seq_file.h>
+#include <sound/asound.h>
+#include <sound/asoundef.h>
+
+#include "hdmi4_core.h"
+#include "dss_features.h"
+
+#define HDMI_CORE_AV		0x500
+
+static inline void __iomem *hdmi_av_base(struct hdmi_core_data *core)
+{
+	return core->base + HDMI_CORE_AV;
+}
+
+static int hdmi_core_ddc_init(struct hdmi_core_data *core)
+{
+	void __iomem *base = core->base;
+
+	/* Turn on CLK for DDC */
+	REG_FLD_MOD(base, HDMI_CORE_AV_DPD, 0x7, 2, 0);
+
+	/* IN_PROG */
+	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 1) {
+		/* Abort transaction */
+		REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xf, 3, 0);
+		/* IN_PROG */
+		if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+					4, 4, 0) != 0) {
+			DSSERR("Timeout aborting DDC transaction\n");
+			return -ETIMEDOUT;
+		}
+	}
+
+	/* Clk SCL Devices */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xA, 3, 0);
+
+	/* HDMI_CORE_DDC_STATUS_IN_PROG */
+	if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+				4, 4, 0) != 0) {
+		DSSERR("Timeout starting SCL clock\n");
+		return -ETIMEDOUT;
+	}
+
+	/* Clear FIFO */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x9, 3, 0);
+
+	/* HDMI_CORE_DDC_STATUS_IN_PROG */
+	if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+				4, 4, 0) != 0) {
+		DSSERR("Timeout clearing DDC fifo\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static int hdmi_core_ddc_edid(struct hdmi_core_data *core,
+		u8 *pedid, int ext)
+{
+	void __iomem *base = core->base;
+	u32 i;
+	char checksum;
+	u32 offset = 0;
+
+	/* HDMI_CORE_DDC_STATUS_IN_PROG */
+	if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS,
+				4, 4, 0) != 0) {
+		DSSERR("Timeout waiting DDC to be ready\n");
+		return -ETIMEDOUT;
+	}
+
+	if (ext % 2 != 0)
+		offset = 0x80;
+
+	/* Load Segment Address Register */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_SEGM, ext / 2, 7, 0);
+
+	/* Load Slave Address Register */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_ADDR, 0xA0 >> 1, 7, 1);
+
+	/* Load Offset Address Register */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_OFFSET, offset, 7, 0);
+
+	/* Load Byte Count */
+	REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT1, 0x80, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT2, 0x0, 1, 0);
+
+	/* Set DDC_CMD */
+	if (ext)
+		REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x4, 3, 0);
+	else
+		REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x2, 3, 0);
+
+	/* HDMI_CORE_DDC_STATUS_BUS_LOW */
+	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 6, 6) == 1) {
+		DSSERR("I2C Bus Low?\n");
+		return -EIO;
+	}
+	/* HDMI_CORE_DDC_STATUS_NO_ACK */
+	if (REG_GET(base, HDMI_CORE_DDC_STATUS, 5, 5) == 1) {
+		DSSERR("I2C No Ack\n");
+		return -EIO;
+	}
+
+	for (i = 0; i < 0x80; ++i) {
+		int t;
+
+		/* IN_PROG */
+		if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 0) {
+			DSSERR("operation stopped when reading edid\n");
+			return -EIO;
+		}
+
+		t = 0;
+		/* FIFO_EMPTY */
+		while (REG_GET(base, HDMI_CORE_DDC_STATUS, 2, 2) == 1) {
+			if (t++ > 10000) {
+				DSSERR("timeout reading edid\n");
+				return -ETIMEDOUT;
+			}
+			udelay(1);
+		}
+
+		pedid[i] = REG_GET(base, HDMI_CORE_DDC_DATA, 7, 0);
+	}
+
+	checksum = 0;
+	for (i = 0; i < 0x80; ++i)
+		checksum += pedid[i];
+
+	if (checksum != 0) {
+		DSSERR("E-EDID checksum failed!!\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int hdmi4_read_edid(struct hdmi_core_data *core, u8 *edid, int len)
+{
+	int r, l;
+
+	if (len < 128)
+		return -EINVAL;
+
+	r = hdmi_core_ddc_init(core);
+	if (r)
+		return r;
+
+	r = hdmi_core_ddc_edid(core, edid, 0);
+	if (r)
+		return r;
+
+	l = 128;
+
+	if (len >= 128 * 2 && edid[0x7e] > 0) {
+		r = hdmi_core_ddc_edid(core, edid + 0x80, 1);
+		if (r)
+			return r;
+		l += 128;
+	}
+
+	return l;
+}
+
+static void hdmi_core_init(struct hdmi_core_video_config *video_cfg)
+{
+	DSSDBG("Enter hdmi_core_init\n");
+
+	/* video core */
+	video_cfg->ip_bus_width = HDMI_INPUT_8BIT;
+	video_cfg->op_dither_truc = HDMI_OUTPUTTRUNCATION_8BIT;
+	video_cfg->deep_color_pkt = HDMI_DEEPCOLORPACKECTDISABLE;
+	video_cfg->pkt_mode = HDMI_PACKETMODERESERVEDVALUE;
+	video_cfg->hdmi_dvi = HDMI_DVI;
+	video_cfg->tclk_sel_clkmult = HDMI_FPLL10IDCK;
+}
+
+static void hdmi_core_powerdown_disable(struct hdmi_core_data *core)
+{
+	DSSDBG("Enter hdmi_core_powerdown_disable\n");
+	REG_FLD_MOD(core->base, HDMI_CORE_SYS_SYS_CTRL1, 0x0, 0, 0);
+}
+
+static void hdmi_core_swreset_release(struct hdmi_core_data *core)
+{
+	DSSDBG("Enter hdmi_core_swreset_release\n");
+	REG_FLD_MOD(core->base, HDMI_CORE_SYS_SRST, 0x0, 0, 0);
+}
+
+static void hdmi_core_swreset_assert(struct hdmi_core_data *core)
+{
+	DSSDBG("Enter hdmi_core_swreset_assert\n");
+	REG_FLD_MOD(core->base, HDMI_CORE_SYS_SRST, 0x1, 0, 0);
+}
+
+/* HDMI_CORE_VIDEO_CONFIG */
+static void hdmi_core_video_config(struct hdmi_core_data *core,
+				struct hdmi_core_video_config *cfg)
+{
+	u32 r = 0;
+	void __iomem *core_sys_base = core->base;
+	void __iomem *core_av_base = hdmi_av_base(core);
+
+	/* sys_ctrl1 default configuration not tunable */
+	r = hdmi_read_reg(core_sys_base, HDMI_CORE_SYS_SYS_CTRL1);
+	r = FLD_MOD(r, HDMI_CORE_SYS_SYS_CTRL1_VEN_FOLLOWVSYNC, 5, 5);
+	r = FLD_MOD(r, HDMI_CORE_SYS_SYS_CTRL1_HEN_FOLLOWHSYNC, 4, 4);
+	r = FLD_MOD(r, HDMI_CORE_SYS_SYS_CTRL1_BSEL_24BITBUS, 2, 2);
+	r = FLD_MOD(r, HDMI_CORE_SYS_SYS_CTRL1_EDGE_RISINGEDGE, 1, 1);
+	hdmi_write_reg(core_sys_base, HDMI_CORE_SYS_SYS_CTRL1, r);
+
+	REG_FLD_MOD(core_sys_base,
+			HDMI_CORE_SYS_VID_ACEN, cfg->ip_bus_width, 7, 6);
+
+	/* Vid_Mode */
+	r = hdmi_read_reg(core_sys_base, HDMI_CORE_SYS_VID_MODE);
+
+	/* dither truncation configuration */
+	if (cfg->op_dither_truc > HDMI_OUTPUTTRUNCATION_12BIT) {
+		r = FLD_MOD(r, cfg->op_dither_truc - 3, 7, 6);
+		r = FLD_MOD(r, 1, 5, 5);
+	} else {
+		r = FLD_MOD(r, cfg->op_dither_truc, 7, 6);
+		r = FLD_MOD(r, 0, 5, 5);
+	}
+	hdmi_write_reg(core_sys_base, HDMI_CORE_SYS_VID_MODE, r);
+
+	/* HDMI_Ctrl */
+	r = hdmi_read_reg(core_av_base, HDMI_CORE_AV_HDMI_CTRL);
+	r = FLD_MOD(r, cfg->deep_color_pkt, 6, 6);
+	r = FLD_MOD(r, cfg->pkt_mode, 5, 3);
+	r = FLD_MOD(r, cfg->hdmi_dvi, 0, 0);
+	hdmi_write_reg(core_av_base, HDMI_CORE_AV_HDMI_CTRL, r);
+
+	/* TMDS_CTRL */
+	REG_FLD_MOD(core_sys_base,
+			HDMI_CORE_SYS_TMDS_CTRL, cfg->tclk_sel_clkmult, 6, 5);
+}
+
+static void hdmi_core_write_avi_infoframe(struct hdmi_core_data *core,
+	struct hdmi_avi_infoframe *frame)
+{
+	void __iomem *av_base = hdmi_av_base(core);
+	u8 data[HDMI_INFOFRAME_SIZE(AVI)];
+	int i;
+
+	hdmi_avi_infoframe_pack(frame, data, sizeof(data));
+
+	print_hex_dump_debug("AVI: ", DUMP_PREFIX_NONE, 16, 1, data,
+		HDMI_INFOFRAME_SIZE(AVI), false);
+
+	for (i = 0; i < sizeof(data); ++i) {
+		hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_BASE + i * 4,
+			data[i]);
+	}
+}
+
+static void hdmi_core_av_packet_config(struct hdmi_core_data *core,
+		struct hdmi_core_packet_enable_repeat repeat_cfg)
+{
+	/* enable/repeat the infoframe */
+	hdmi_write_reg(hdmi_av_base(core), HDMI_CORE_AV_PB_CTRL1,
+		(repeat_cfg.audio_pkt << 5) |
+		(repeat_cfg.audio_pkt_repeat << 4) |
+		(repeat_cfg.avi_infoframe << 1) |
+		(repeat_cfg.avi_infoframe_repeat));
+
+	/* enable/repeat the packet */
+	hdmi_write_reg(hdmi_av_base(core), HDMI_CORE_AV_PB_CTRL2,
+		(repeat_cfg.gen_cntrl_pkt << 3) |
+		(repeat_cfg.gen_cntrl_pkt_repeat << 2) |
+		(repeat_cfg.generic_pkt << 1) |
+		(repeat_cfg.generic_pkt_repeat));
+}
+
+void hdmi4_configure(struct hdmi_core_data *core,
+	struct hdmi_wp_data *wp, struct hdmi_config *cfg)
+{
+	/* HDMI */
+	struct omap_video_timings video_timing;
+	struct hdmi_video_format video_format;
+	/* HDMI core */
+	struct hdmi_core_video_config v_core_cfg;
+	struct hdmi_core_packet_enable_repeat repeat_cfg = { 0 };
+
+	hdmi_core_init(&v_core_cfg);
+
+	hdmi_wp_init_vid_fmt_timings(&video_format, &video_timing, cfg);
+
+	hdmi_wp_video_config_timing(wp, &video_timing);
+
+	/* video config */
+	video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
+
+	hdmi_wp_video_config_format(wp, &video_format);
+
+	hdmi_wp_video_config_interface(wp, &video_timing);
+
+	/*
+	 * configure core video part
+	 * set software reset in the core
+	 */
+	hdmi_core_swreset_assert(core);
+
+	/* power down off */
+	hdmi_core_powerdown_disable(core);
+
+	v_core_cfg.pkt_mode = HDMI_PACKETMODE24BITPERPIXEL;
+	v_core_cfg.hdmi_dvi = cfg->hdmi_dvi_mode;
+
+	hdmi_core_video_config(core, &v_core_cfg);
+
+	/* release software reset in the core */
+	hdmi_core_swreset_release(core);
+
+	if (cfg->hdmi_dvi_mode == HDMI_HDMI) {
+		hdmi_core_write_avi_infoframe(core, &cfg->infoframe);
+
+		/* enable/repeat the infoframe */
+		repeat_cfg.avi_infoframe = HDMI_PACKETENABLE;
+		repeat_cfg.avi_infoframe_repeat = HDMI_PACKETREPEATON;
+		/* wakeup */
+		repeat_cfg.audio_pkt = HDMI_PACKETENABLE;
+		repeat_cfg.audio_pkt_repeat = HDMI_PACKETREPEATON;
+	}
+
+	hdmi_core_av_packet_config(core, repeat_cfg);
+}
+
+void hdmi4_core_dump(struct hdmi_core_data *core, struct seq_file *s)
+{
+	int i;
+
+#define CORE_REG(i, name) name(i)
+#define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(core->base, r))
+#define DUMPCOREAV(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(hdmi_av_base(core), r))
+#define DUMPCOREAV2(i, r) seq_printf(s, "%s[%d]%*s %08x\n", #r, i, \
+		(i < 10) ? 32 - (int)strlen(#r) : 31 - (int)strlen(#r), " ", \
+		hdmi_read_reg(hdmi_av_base(core), CORE_REG(i, r)))
+
+	DUMPCORE(HDMI_CORE_SYS_VND_IDL);
+	DUMPCORE(HDMI_CORE_SYS_DEV_IDL);
+	DUMPCORE(HDMI_CORE_SYS_DEV_IDH);
+	DUMPCORE(HDMI_CORE_SYS_DEV_REV);
+	DUMPCORE(HDMI_CORE_SYS_SRST);
+	DUMPCORE(HDMI_CORE_SYS_SYS_CTRL1);
+	DUMPCORE(HDMI_CORE_SYS_SYS_STAT);
+	DUMPCORE(HDMI_CORE_SYS_SYS_CTRL3);
+	DUMPCORE(HDMI_CORE_SYS_DE_DLY);
+	DUMPCORE(HDMI_CORE_SYS_DE_CTRL);
+	DUMPCORE(HDMI_CORE_SYS_DE_TOP);
+	DUMPCORE(HDMI_CORE_SYS_DE_CNTL);
+	DUMPCORE(HDMI_CORE_SYS_DE_CNTH);
+	DUMPCORE(HDMI_CORE_SYS_DE_LINL);
+	DUMPCORE(HDMI_CORE_SYS_DE_LINH_1);
+	DUMPCORE(HDMI_CORE_SYS_HRES_L);
+	DUMPCORE(HDMI_CORE_SYS_HRES_H);
+	DUMPCORE(HDMI_CORE_SYS_VRES_L);
+	DUMPCORE(HDMI_CORE_SYS_VRES_H);
+	DUMPCORE(HDMI_CORE_SYS_IADJUST);
+	DUMPCORE(HDMI_CORE_SYS_POLDETECT);
+	DUMPCORE(HDMI_CORE_SYS_HWIDTH1);
+	DUMPCORE(HDMI_CORE_SYS_HWIDTH2);
+	DUMPCORE(HDMI_CORE_SYS_VWIDTH);
+	DUMPCORE(HDMI_CORE_SYS_VID_CTRL);
+	DUMPCORE(HDMI_CORE_SYS_VID_ACEN);
+	DUMPCORE(HDMI_CORE_SYS_VID_MODE);
+	DUMPCORE(HDMI_CORE_SYS_VID_BLANK1);
+	DUMPCORE(HDMI_CORE_SYS_VID_BLANK3);
+	DUMPCORE(HDMI_CORE_SYS_VID_BLANK1);
+	DUMPCORE(HDMI_CORE_SYS_DC_HEADER);
+	DUMPCORE(HDMI_CORE_SYS_VID_DITHER);
+	DUMPCORE(HDMI_CORE_SYS_RGB2XVYCC_CT);
+	DUMPCORE(HDMI_CORE_SYS_R2Y_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_R2Y_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_G2Y_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_G2Y_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_B2Y_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_B2Y_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_R2CB_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_R2CB_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_G2CB_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_G2CB_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_B2CB_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_B2CB_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_R2CR_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_R2CR_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_G2CR_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_G2CR_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_B2CR_COEFF_LOW);
+	DUMPCORE(HDMI_CORE_SYS_B2CR_COEFF_UP);
+	DUMPCORE(HDMI_CORE_SYS_RGB_OFFSET_LOW);
+	DUMPCORE(HDMI_CORE_SYS_RGB_OFFSET_UP);
+	DUMPCORE(HDMI_CORE_SYS_Y_OFFSET_LOW);
+	DUMPCORE(HDMI_CORE_SYS_Y_OFFSET_UP);
+	DUMPCORE(HDMI_CORE_SYS_CBCR_OFFSET_LOW);
+	DUMPCORE(HDMI_CORE_SYS_CBCR_OFFSET_UP);
+	DUMPCORE(HDMI_CORE_SYS_INTR_STATE);
+	DUMPCORE(HDMI_CORE_SYS_INTR1);
+	DUMPCORE(HDMI_CORE_SYS_INTR2);
+	DUMPCORE(HDMI_CORE_SYS_INTR3);
+	DUMPCORE(HDMI_CORE_SYS_INTR4);
+	DUMPCORE(HDMI_CORE_SYS_INTR_UNMASK1);
+	DUMPCORE(HDMI_CORE_SYS_INTR_UNMASK2);
+	DUMPCORE(HDMI_CORE_SYS_INTR_UNMASK3);
+	DUMPCORE(HDMI_CORE_SYS_INTR_UNMASK4);
+	DUMPCORE(HDMI_CORE_SYS_INTR_CTRL);
+	DUMPCORE(HDMI_CORE_SYS_TMDS_CTRL);
+
+	DUMPCORE(HDMI_CORE_DDC_ADDR);
+	DUMPCORE(HDMI_CORE_DDC_SEGM);
+	DUMPCORE(HDMI_CORE_DDC_OFFSET);
+	DUMPCORE(HDMI_CORE_DDC_COUNT1);
+	DUMPCORE(HDMI_CORE_DDC_COUNT2);
+	DUMPCORE(HDMI_CORE_DDC_STATUS);
+	DUMPCORE(HDMI_CORE_DDC_CMD);
+	DUMPCORE(HDMI_CORE_DDC_DATA);
+
+	DUMPCOREAV(HDMI_CORE_AV_ACR_CTRL);
+	DUMPCOREAV(HDMI_CORE_AV_FREQ_SVAL);
+	DUMPCOREAV(HDMI_CORE_AV_N_SVAL1);
+	DUMPCOREAV(HDMI_CORE_AV_N_SVAL2);
+	DUMPCOREAV(HDMI_CORE_AV_N_SVAL3);
+	DUMPCOREAV(HDMI_CORE_AV_CTS_SVAL1);
+	DUMPCOREAV(HDMI_CORE_AV_CTS_SVAL2);
+	DUMPCOREAV(HDMI_CORE_AV_CTS_SVAL3);
+	DUMPCOREAV(HDMI_CORE_AV_CTS_HVAL1);
+	DUMPCOREAV(HDMI_CORE_AV_CTS_HVAL2);
+	DUMPCOREAV(HDMI_CORE_AV_CTS_HVAL3);
+	DUMPCOREAV(HDMI_CORE_AV_AUD_MODE);
+	DUMPCOREAV(HDMI_CORE_AV_SPDIF_CTRL);
+	DUMPCOREAV(HDMI_CORE_AV_HW_SPDIF_FS);
+	DUMPCOREAV(HDMI_CORE_AV_SWAP_I2S);
+	DUMPCOREAV(HDMI_CORE_AV_SPDIF_ERTH);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_IN_MAP);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_IN_CTRL);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_CHST0);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_CHST1);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_CHST2);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_CHST4);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_CHST5);
+	DUMPCOREAV(HDMI_CORE_AV_ASRC);
+	DUMPCOREAV(HDMI_CORE_AV_I2S_IN_LEN);
+	DUMPCOREAV(HDMI_CORE_AV_HDMI_CTRL);
+	DUMPCOREAV(HDMI_CORE_AV_AUDO_TXSTAT);
+	DUMPCOREAV(HDMI_CORE_AV_AUD_PAR_BUSCLK_1);
+	DUMPCOREAV(HDMI_CORE_AV_AUD_PAR_BUSCLK_2);
+	DUMPCOREAV(HDMI_CORE_AV_AUD_PAR_BUSCLK_3);
+	DUMPCOREAV(HDMI_CORE_AV_TEST_TXCTRL);
+	DUMPCOREAV(HDMI_CORE_AV_DPD);
+	DUMPCOREAV(HDMI_CORE_AV_PB_CTRL1);
+	DUMPCOREAV(HDMI_CORE_AV_PB_CTRL2);
+	DUMPCOREAV(HDMI_CORE_AV_AVI_TYPE);
+	DUMPCOREAV(HDMI_CORE_AV_AVI_VERS);
+	DUMPCOREAV(HDMI_CORE_AV_AVI_LEN);
+	DUMPCOREAV(HDMI_CORE_AV_AVI_CHSUM);
+
+	for (i = 0; i < HDMI_CORE_AV_AVI_DBYTE_NELEMS; i++)
+		DUMPCOREAV2(i, HDMI_CORE_AV_AVI_DBYTE);
+
+	DUMPCOREAV(HDMI_CORE_AV_SPD_TYPE);
+	DUMPCOREAV(HDMI_CORE_AV_SPD_VERS);
+	DUMPCOREAV(HDMI_CORE_AV_SPD_LEN);
+	DUMPCOREAV(HDMI_CORE_AV_SPD_CHSUM);
+
+	for (i = 0; i < HDMI_CORE_AV_SPD_DBYTE_NELEMS; i++)
+		DUMPCOREAV2(i, HDMI_CORE_AV_SPD_DBYTE);
+
+	DUMPCOREAV(HDMI_CORE_AV_AUDIO_TYPE);
+	DUMPCOREAV(HDMI_CORE_AV_AUDIO_VERS);
+	DUMPCOREAV(HDMI_CORE_AV_AUDIO_LEN);
+	DUMPCOREAV(HDMI_CORE_AV_AUDIO_CHSUM);
+
+	for (i = 0; i < HDMI_CORE_AV_AUD_DBYTE_NELEMS; i++)
+		DUMPCOREAV2(i, HDMI_CORE_AV_AUD_DBYTE);
+
+	DUMPCOREAV(HDMI_CORE_AV_MPEG_TYPE);
+	DUMPCOREAV(HDMI_CORE_AV_MPEG_VERS);
+	DUMPCOREAV(HDMI_CORE_AV_MPEG_LEN);
+	DUMPCOREAV(HDMI_CORE_AV_MPEG_CHSUM);
+
+	for (i = 0; i < HDMI_CORE_AV_MPEG_DBYTE_NELEMS; i++)
+		DUMPCOREAV2(i, HDMI_CORE_AV_MPEG_DBYTE);
+
+	for (i = 0; i < HDMI_CORE_AV_GEN_DBYTE_NELEMS; i++)
+		DUMPCOREAV2(i, HDMI_CORE_AV_GEN_DBYTE);
+
+	DUMPCOREAV(HDMI_CORE_AV_CP_BYTE1);
+
+	for (i = 0; i < HDMI_CORE_AV_GEN2_DBYTE_NELEMS; i++)
+		DUMPCOREAV2(i, HDMI_CORE_AV_GEN2_DBYTE);
+
+	DUMPCOREAV(HDMI_CORE_AV_CEC_ADDR_ID);
+}
+
+static void hdmi_core_audio_config(struct hdmi_core_data *core,
+					struct hdmi_core_audio_config *cfg)
+{
+	u32 r;
+	void __iomem *av_base = hdmi_av_base(core);
+
+	/*
+	 * Parameters for generation of Audio Clock Recovery packets
+	 */
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0);
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0);
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0);
+
+	if (cfg->cts_mode == HDMI_AUDIO_CTS_MODE_SW) {
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_CTS_SVAL1, cfg->cts, 7, 0);
+		REG_FLD_MOD(av_base,
+				HDMI_CORE_AV_CTS_SVAL2, cfg->cts >> 8, 7, 0);
+		REG_FLD_MOD(av_base,
+				HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0);
+	} else {
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1,
+				cfg->aud_par_busclk, 7, 0);
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2,
+				(cfg->aud_par_busclk >> 8), 7, 0);
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_3,
+				(cfg->aud_par_busclk >> 16), 7, 0);
+	}
+
+	/* Set ACR clock divisor */
+	REG_FLD_MOD(av_base,
+			HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0);
+
+	r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL);
+	/*
+	 * Use TMDS clock for ACR packets. For devices that use
+	 * the MCLK, this is the first part of the MCLK initialization.
+	 */
+	r = FLD_MOD(r, 0, 2, 2);
+
+	r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1);
+	r = FLD_MOD(r, cfg->cts_mode, 0, 0);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r);
+
+	/* For devices using MCLK, this completes its initialization. */
+	if (cfg->use_mclk)
+		REG_FLD_MOD(av_base, HDMI_CORE_AV_ACR_CTRL, 1, 2, 2);
+
+	/* Override of SPDIF sample frequency with value in I2S_CHST4 */
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_SPDIF_CTRL,
+						cfg->fs_override, 1, 1);
+
+	/*
+	 * Set IEC-60958-3 channel status word. It is passed to the IP
+	 * just as it is received. The user of the driver is responsible
+	 * for its contents.
+	 */
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST0,
+		       cfg->iec60958_cfg->status[0]);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST1,
+		       cfg->iec60958_cfg->status[1]);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST2,
+		       cfg->iec60958_cfg->status[2]);
+	/* yes, this is correct: status[3] goes to CHST4 register */
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST4,
+		       cfg->iec60958_cfg->status[3]);
+	/* yes, this is correct: status[4] goes to CHST5 register */
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_CHST5,
+		       cfg->iec60958_cfg->status[4]);
+
+	/* set I2S parameters */
+	r = hdmi_read_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL);
+	r = FLD_MOD(r, cfg->i2s_cfg.sck_edge_mode, 6, 6);
+	r = FLD_MOD(r, cfg->i2s_cfg.vbit, 4, 4);
+	r = FLD_MOD(r, cfg->i2s_cfg.justification, 2, 2);
+	r = FLD_MOD(r, cfg->i2s_cfg.direction, 1, 1);
+	r = FLD_MOD(r, cfg->i2s_cfg.shift, 0, 0);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_IN_CTRL, r);
+
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_IN_LEN,
+			cfg->i2s_cfg.in_length_bits, 3, 0);
+
+	/* Audio channels and mode parameters */
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_HDMI_CTRL, cfg->layout, 2, 1);
+	r = hdmi_read_reg(av_base, HDMI_CORE_AV_AUD_MODE);
+	r = FLD_MOD(r, cfg->i2s_cfg.active_sds, 7, 4);
+	r = FLD_MOD(r, cfg->en_dsd_audio, 3, 3);
+	r = FLD_MOD(r, cfg->en_parallel_aud_input, 2, 2);
+	r = FLD_MOD(r, cfg->en_spdif, 1, 1);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_MODE, r);
+
+	/* Audio channel mappings */
+	/* TODO: Make channel mapping dynamic. For now, map channels
+	 * in the ALSA order: FL/FR/RL/RR/C/LFE/SL/SR. Remapping is needed as
+	 * HDMI speaker order is different. See CEA-861 Section 6.6.2.
+	 */
+	hdmi_write_reg(av_base, HDMI_CORE_AV_I2S_IN_MAP, 0x78);
+	REG_FLD_MOD(av_base, HDMI_CORE_AV_SWAP_I2S, 1, 5, 5);
+}
+
+static void hdmi_core_audio_infoframe_cfg(struct hdmi_core_data *core,
+		struct snd_cea_861_aud_if *info_aud)
+{
+	u8 sum = 0, checksum = 0;
+	void __iomem *av_base = hdmi_av_base(core);
+
+	/*
+	 * Set audio info frame type, version and length as
+	 * described in HDMI 1.4a Section 8.2.2 specification.
+	 * Checksum calculation is defined in Section 5.3.5.
+	 */
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_TYPE, 0x84);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_VERS, 0x01);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_LEN, 0x0a);
+	sum += 0x84 + 0x001 + 0x00a;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(0),
+		       info_aud->db1_ct_cc);
+	sum += info_aud->db1_ct_cc;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(1),
+		       info_aud->db2_sf_ss);
+	sum += info_aud->db2_sf_ss;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(2), info_aud->db3);
+	sum += info_aud->db3;
+
+	/*
+	 * The OMAP HDMI IP requires to use the 8-channel channel code when
+	 * transmitting more than two channels.
+	 */
+	if (info_aud->db4_ca != 0x00)
+		info_aud->db4_ca = 0x13;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(3), info_aud->db4_ca);
+	sum += info_aud->db4_ca;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(4),
+		       info_aud->db5_dminh_lsv);
+	sum += info_aud->db5_dminh_lsv;
+
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(5), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(6), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(7), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(8), 0x00);
+	hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(9), 0x00);
+
+	checksum = 0x100 - sum;
+	hdmi_write_reg(av_base,
+					HDMI_CORE_AV_AUDIO_CHSUM, checksum);
+
+	/*
+	 * TODO: Add MPEG and SPD enable and repeat cfg when EDID parsing
+	 * is available.
+	 */
+}
+
+int hdmi4_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
+		struct omap_dss_audio *audio, u32 pclk)
+{
+	struct hdmi_audio_format audio_format;
+	struct hdmi_audio_dma audio_dma;
+	struct hdmi_core_audio_config acore;
+	int n, cts, channel_count;
+	unsigned int fs_nr;
+	bool word_length_16b = false;
+
+	if (!audio || !audio->iec || !audio->cea || !core)
+		return -EINVAL;
+
+	acore.iec60958_cfg = audio->iec;
+	/*
+	 * In the IEC-60958 status word, check if the audio sample word length
+	 * is 16-bit as several optimizations can be performed in such case.
+	 */
+	if (!(audio->iec->status[4] & IEC958_AES4_CON_MAX_WORDLEN_24))
+		if (audio->iec->status[4] & IEC958_AES4_CON_WORDLEN_20_16)
+			word_length_16b = true;
+
+	/* I2S configuration. See Phillips' specification */
+	if (word_length_16b)
+		acore.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_LEFT;
+	else
+		acore.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_RIGHT;
+	/*
+	 * The I2S input word length is twice the length given in the IEC-60958
+	 * status word. If the word size is greater than
+	 * 20 bits, increment by one.
+	 */
+	acore.i2s_cfg.in_length_bits = audio->iec->status[4]
+		& IEC958_AES4_CON_WORDLEN;
+	if (audio->iec->status[4] & IEC958_AES4_CON_MAX_WORDLEN_24)
+		acore.i2s_cfg.in_length_bits++;
+	acore.i2s_cfg.sck_edge_mode = HDMI_AUDIO_I2S_SCK_EDGE_RISING;
+	acore.i2s_cfg.vbit = HDMI_AUDIO_I2S_VBIT_FOR_PCM;
+	acore.i2s_cfg.direction = HDMI_AUDIO_I2S_MSB_SHIFTED_FIRST;
+	acore.i2s_cfg.shift = HDMI_AUDIO_I2S_FIRST_BIT_SHIFT;
+
+	/* convert sample frequency to a number */
+	switch (audio->iec->status[3] & IEC958_AES3_CON_FS) {
+	case IEC958_AES3_CON_FS_32000:
+		fs_nr = 32000;
+		break;
+	case IEC958_AES3_CON_FS_44100:
+		fs_nr = 44100;
+		break;
+	case IEC958_AES3_CON_FS_48000:
+		fs_nr = 48000;
+		break;
+	case IEC958_AES3_CON_FS_88200:
+		fs_nr = 88200;
+		break;
+	case IEC958_AES3_CON_FS_96000:
+		fs_nr = 96000;
+		break;
+	case IEC958_AES3_CON_FS_176400:
+		fs_nr = 176400;
+		break;
+	case IEC958_AES3_CON_FS_192000:
+		fs_nr = 192000;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	hdmi_compute_acr(pclk, fs_nr, &n, &cts);
+
+	/* Audio clock regeneration settings */
+	acore.n = n;
+	acore.cts = cts;
+	if (dss_has_feature(FEAT_HDMI_CTS_SWMODE)) {
+		acore.aud_par_busclk = 0;
+		acore.cts_mode = HDMI_AUDIO_CTS_MODE_SW;
+		acore.use_mclk = dss_has_feature(FEAT_HDMI_AUDIO_USE_MCLK);
+	} else {
+		acore.aud_par_busclk = (((128 * 31) - 1) << 8);
+		acore.cts_mode = HDMI_AUDIO_CTS_MODE_HW;
+		acore.use_mclk = true;
+	}
+
+	if (acore.use_mclk)
+		acore.mclk_mode = HDMI_AUDIO_MCLK_128FS;
+
+	/* Audio channels settings */
+	channel_count = (audio->cea->db1_ct_cc &
+			 CEA861_AUDIO_INFOFRAME_DB1CC) + 1;
+
+	switch (channel_count) {
+	case 2:
+		audio_format.active_chnnls_msk = 0x03;
+		break;
+	case 3:
+		audio_format.active_chnnls_msk = 0x07;
+		break;
+	case 4:
+		audio_format.active_chnnls_msk = 0x0f;
+		break;
+	case 5:
+		audio_format.active_chnnls_msk = 0x1f;
+		break;
+	case 6:
+		audio_format.active_chnnls_msk = 0x3f;
+		break;
+	case 7:
+		audio_format.active_chnnls_msk = 0x7f;
+		break;
+	case 8:
+		audio_format.active_chnnls_msk = 0xff;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/*
+	 * the HDMI IP needs to enable four stereo channels when transmitting
+	 * more than 2 audio channels.  Similarly, the channel count in the
+	 * Audio InfoFrame has to match the sample_present bits (some channels
+	 * are padded with zeroes)
+	 */
+	if (channel_count == 2) {
+		audio_format.stereo_channels = HDMI_AUDIO_STEREO_ONECHANNEL;
+		acore.i2s_cfg.active_sds = HDMI_AUDIO_I2S_SD0_EN;
+		acore.layout = HDMI_AUDIO_LAYOUT_2CH;
+	} else {
+		audio_format.stereo_channels = HDMI_AUDIO_STEREO_FOURCHANNELS;
+		acore.i2s_cfg.active_sds = HDMI_AUDIO_I2S_SD0_EN |
+				HDMI_AUDIO_I2S_SD1_EN | HDMI_AUDIO_I2S_SD2_EN |
+				HDMI_AUDIO_I2S_SD3_EN;
+		acore.layout = HDMI_AUDIO_LAYOUT_8CH;
+		audio->cea->db1_ct_cc = 7;
+	}
+
+	acore.en_spdif = false;
+	/* use sample frequency from channel status word */
+	acore.fs_override = true;
+	/* enable ACR packets */
+	acore.en_acr_pkt = true;
+	/* disable direct streaming digital audio */
+	acore.en_dsd_audio = false;
+	/* use parallel audio interface */
+	acore.en_parallel_aud_input = true;
+
+	/* DMA settings */
+	if (word_length_16b)
+		audio_dma.transfer_size = 0x10;
+	else
+		audio_dma.transfer_size = 0x20;
+	audio_dma.block_size = 0xC0;
+	audio_dma.mode = HDMI_AUDIO_TRANSF_DMA;
+	audio_dma.fifo_threshold = 0x20; /* in number of samples */
+
+	/* audio FIFO format settings */
+	if (word_length_16b) {
+		audio_format.samples_per_word = HDMI_AUDIO_ONEWORD_TWOSAMPLES;
+		audio_format.sample_size = HDMI_AUDIO_SAMPLE_16BITS;
+		audio_format.justification = HDMI_AUDIO_JUSTIFY_LEFT;
+	} else {
+		audio_format.samples_per_word = HDMI_AUDIO_ONEWORD_ONESAMPLE;
+		audio_format.sample_size = HDMI_AUDIO_SAMPLE_24BITS;
+		audio_format.justification = HDMI_AUDIO_JUSTIFY_RIGHT;
+	}
+	audio_format.type = HDMI_AUDIO_TYPE_LPCM;
+	audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
+	/* disable start/stop signals of IEC 60958 blocks */
+	audio_format.en_sig_blk_strt_end = HDMI_AUDIO_BLOCK_SIG_STARTEND_ON;
+
+	/* configure DMA and audio FIFO format*/
+	hdmi_wp_audio_config_dma(wp, &audio_dma);
+	hdmi_wp_audio_config_format(wp, &audio_format);
+
+	/* configure the core*/
+	hdmi_core_audio_config(core, &acore);
+
+	/* configure CEA 861 audio infoframe*/
+	hdmi_core_audio_infoframe_cfg(core, audio->cea);
+
+	return 0;
+}
+
+int hdmi4_audio_start(struct hdmi_core_data *core, struct hdmi_wp_data *wp)
+{
+	REG_FLD_MOD(hdmi_av_base(core),
+		    HDMI_CORE_AV_AUD_MODE, true, 0, 0);
+
+	hdmi_wp_audio_core_req_enable(wp, true);
+
+	return 0;
+}
+
+void hdmi4_audio_stop(struct hdmi_core_data *core, struct hdmi_wp_data *wp)
+{
+	REG_FLD_MOD(hdmi_av_base(core),
+		    HDMI_CORE_AV_AUD_MODE, false, 0, 0);
+
+	hdmi_wp_audio_core_req_enable(wp, false);
+}
+
+int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
+{
+	core->base = devm_platform_ioremap_resource_byname(pdev, "core");
+	if (IS_ERR(core->base)) {
+		DSSERR("can't ioremap CORE\n");
+		return PTR_ERR(core->base);
+	}
+
+	return 0;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.h b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.h
new file mode 100644
index 000000000..b5c35277f
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4_core.h
@@ -0,0 +1,262 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * HDMI header definition for OMAP4 HDMI core IP
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef _HDMI4_CORE_H_
+#define _HDMI4_CORE_H_
+
+#include "hdmi.h"
+
+/* OMAP4 HDMI IP Core System */
+
+#define HDMI_CORE_SYS_VND_IDL			0x0
+#define HDMI_CORE_SYS_DEV_IDL			0x8
+#define HDMI_CORE_SYS_DEV_IDH			0xC
+#define HDMI_CORE_SYS_DEV_REV			0x10
+#define HDMI_CORE_SYS_SRST			0x14
+#define HDMI_CORE_SYS_SYS_CTRL1			0x20
+#define HDMI_CORE_SYS_SYS_STAT			0x24
+#define HDMI_CORE_SYS_SYS_CTRL3			0x28
+#define HDMI_CORE_SYS_DCTL			0x34
+#define HDMI_CORE_SYS_DE_DLY			0xC8
+#define HDMI_CORE_SYS_DE_CTRL			0xCC
+#define HDMI_CORE_SYS_DE_TOP			0xD0
+#define HDMI_CORE_SYS_DE_CNTL			0xD8
+#define HDMI_CORE_SYS_DE_CNTH			0xDC
+#define HDMI_CORE_SYS_DE_LINL			0xE0
+#define HDMI_CORE_SYS_DE_LINH_1			0xE4
+#define HDMI_CORE_SYS_HRES_L			0xE8
+#define HDMI_CORE_SYS_HRES_H			0xEC
+#define HDMI_CORE_SYS_VRES_L			0xF0
+#define HDMI_CORE_SYS_VRES_H			0xF4
+#define HDMI_CORE_SYS_IADJUST			0xF8
+#define HDMI_CORE_SYS_POLDETECT			0xFC
+#define HDMI_CORE_SYS_HWIDTH1			0x110
+#define HDMI_CORE_SYS_HWIDTH2			0x114
+#define HDMI_CORE_SYS_VWIDTH			0x11C
+#define HDMI_CORE_SYS_VID_CTRL			0x120
+#define HDMI_CORE_SYS_VID_ACEN			0x124
+#define HDMI_CORE_SYS_VID_MODE			0x128
+#define HDMI_CORE_SYS_VID_BLANK1		0x12C
+#define HDMI_CORE_SYS_VID_BLANK2		0x130
+#define HDMI_CORE_SYS_VID_BLANK3		0x134
+#define HDMI_CORE_SYS_DC_HEADER			0x138
+#define HDMI_CORE_SYS_VID_DITHER		0x13C
+#define HDMI_CORE_SYS_RGB2XVYCC_CT		0x140
+#define HDMI_CORE_SYS_R2Y_COEFF_LOW		0x144
+#define HDMI_CORE_SYS_R2Y_COEFF_UP		0x148
+#define HDMI_CORE_SYS_G2Y_COEFF_LOW		0x14C
+#define HDMI_CORE_SYS_G2Y_COEFF_UP		0x150
+#define HDMI_CORE_SYS_B2Y_COEFF_LOW		0x154
+#define HDMI_CORE_SYS_B2Y_COEFF_UP		0x158
+#define HDMI_CORE_SYS_R2CB_COEFF_LOW		0x15C
+#define HDMI_CORE_SYS_R2CB_COEFF_UP		0x160
+#define HDMI_CORE_SYS_G2CB_COEFF_LOW		0x164
+#define HDMI_CORE_SYS_G2CB_COEFF_UP		0x168
+#define HDMI_CORE_SYS_B2CB_COEFF_LOW		0x16C
+#define HDMI_CORE_SYS_B2CB_COEFF_UP		0x170
+#define HDMI_CORE_SYS_R2CR_COEFF_LOW		0x174
+#define HDMI_CORE_SYS_R2CR_COEFF_UP		0x178
+#define HDMI_CORE_SYS_G2CR_COEFF_LOW		0x17C
+#define HDMI_CORE_SYS_G2CR_COEFF_UP		0x180
+#define HDMI_CORE_SYS_B2CR_COEFF_LOW		0x184
+#define HDMI_CORE_SYS_B2CR_COEFF_UP		0x188
+#define HDMI_CORE_SYS_RGB_OFFSET_LOW		0x18C
+#define HDMI_CORE_SYS_RGB_OFFSET_UP		0x190
+#define HDMI_CORE_SYS_Y_OFFSET_LOW		0x194
+#define HDMI_CORE_SYS_Y_OFFSET_UP		0x198
+#define HDMI_CORE_SYS_CBCR_OFFSET_LOW		0x19C
+#define HDMI_CORE_SYS_CBCR_OFFSET_UP		0x1A0
+#define HDMI_CORE_SYS_INTR_STATE		0x1C0
+#define HDMI_CORE_SYS_INTR1			0x1C4
+#define HDMI_CORE_SYS_INTR2			0x1C8
+#define HDMI_CORE_SYS_INTR3			0x1CC
+#define HDMI_CORE_SYS_INTR4			0x1D0
+#define HDMI_CORE_SYS_INTR_UNMASK1		0x1D4
+#define HDMI_CORE_SYS_INTR_UNMASK2		0x1D8
+#define HDMI_CORE_SYS_INTR_UNMASK3		0x1DC
+#define HDMI_CORE_SYS_INTR_UNMASK4		0x1E0
+#define HDMI_CORE_SYS_INTR_CTRL			0x1E4
+#define HDMI_CORE_SYS_TMDS_CTRL			0x208
+
+/* value definitions for HDMI_CORE_SYS_SYS_CTRL1 fields */
+#define HDMI_CORE_SYS_SYS_CTRL1_VEN_FOLLOWVSYNC	0x1
+#define HDMI_CORE_SYS_SYS_CTRL1_HEN_FOLLOWHSYNC	0x1
+#define HDMI_CORE_SYS_SYS_CTRL1_BSEL_24BITBUS	0x1
+#define HDMI_CORE_SYS_SYS_CTRL1_EDGE_RISINGEDGE	0x1
+
+/* HDMI DDC E-DID */
+#define HDMI_CORE_DDC_ADDR			0x3B4
+#define HDMI_CORE_DDC_SEGM			0x3B8
+#define HDMI_CORE_DDC_OFFSET			0x3BC
+#define HDMI_CORE_DDC_COUNT1			0x3C0
+#define HDMI_CORE_DDC_COUNT2			0x3C4
+#define HDMI_CORE_DDC_STATUS			0x3C8
+#define HDMI_CORE_DDC_CMD			0x3CC
+#define HDMI_CORE_DDC_DATA			0x3D0
+
+/* HDMI IP Core Audio Video */
+
+#define HDMI_CORE_AV_ACR_CTRL			0x4
+#define HDMI_CORE_AV_FREQ_SVAL			0x8
+#define HDMI_CORE_AV_N_SVAL1			0xC
+#define HDMI_CORE_AV_N_SVAL2			0x10
+#define HDMI_CORE_AV_N_SVAL3			0x14
+#define HDMI_CORE_AV_CTS_SVAL1			0x18
+#define HDMI_CORE_AV_CTS_SVAL2			0x1C
+#define HDMI_CORE_AV_CTS_SVAL3			0x20
+#define HDMI_CORE_AV_CTS_HVAL1			0x24
+#define HDMI_CORE_AV_CTS_HVAL2			0x28
+#define HDMI_CORE_AV_CTS_HVAL3			0x2C
+#define HDMI_CORE_AV_AUD_MODE			0x50
+#define HDMI_CORE_AV_SPDIF_CTRL			0x54
+#define HDMI_CORE_AV_HW_SPDIF_FS		0x60
+#define HDMI_CORE_AV_SWAP_I2S			0x64
+#define HDMI_CORE_AV_SPDIF_ERTH			0x6C
+#define HDMI_CORE_AV_I2S_IN_MAP			0x70
+#define HDMI_CORE_AV_I2S_IN_CTRL		0x74
+#define HDMI_CORE_AV_I2S_CHST0			0x78
+#define HDMI_CORE_AV_I2S_CHST1			0x7C
+#define HDMI_CORE_AV_I2S_CHST2			0x80
+#define HDMI_CORE_AV_I2S_CHST4			0x84
+#define HDMI_CORE_AV_I2S_CHST5			0x88
+#define HDMI_CORE_AV_ASRC			0x8C
+#define HDMI_CORE_AV_I2S_IN_LEN			0x90
+#define HDMI_CORE_AV_HDMI_CTRL			0xBC
+#define HDMI_CORE_AV_AUDO_TXSTAT		0xC0
+#define HDMI_CORE_AV_AUD_PAR_BUSCLK_1		0xCC
+#define HDMI_CORE_AV_AUD_PAR_BUSCLK_2		0xD0
+#define HDMI_CORE_AV_AUD_PAR_BUSCLK_3		0xD4
+#define HDMI_CORE_AV_TEST_TXCTRL		0xF0
+#define HDMI_CORE_AV_DPD			0xF4
+#define HDMI_CORE_AV_PB_CTRL1			0xF8
+#define HDMI_CORE_AV_PB_CTRL2			0xFC
+#define HDMI_CORE_AV_AVI_BASE			0x100
+#define HDMI_CORE_AV_AVI_TYPE			0x100
+#define HDMI_CORE_AV_AVI_VERS			0x104
+#define HDMI_CORE_AV_AVI_LEN			0x108
+#define HDMI_CORE_AV_AVI_CHSUM			0x10C
+#define HDMI_CORE_AV_AVI_DBYTE(n)		(n * 4 + 0x110)
+#define HDMI_CORE_AV_SPD_TYPE			0x180
+#define HDMI_CORE_AV_SPD_VERS			0x184
+#define HDMI_CORE_AV_SPD_LEN			0x188
+#define HDMI_CORE_AV_SPD_CHSUM			0x18C
+#define HDMI_CORE_AV_SPD_DBYTE(n)		(n * 4 + 0x190)
+#define HDMI_CORE_AV_AUDIO_TYPE			0x200
+#define HDMI_CORE_AV_AUDIO_VERS			0x204
+#define HDMI_CORE_AV_AUDIO_LEN			0x208
+#define HDMI_CORE_AV_AUDIO_CHSUM		0x20C
+#define HDMI_CORE_AV_AUD_DBYTE(n)		(n * 4 + 0x210)
+#define HDMI_CORE_AV_MPEG_TYPE			0x280
+#define HDMI_CORE_AV_MPEG_VERS			0x284
+#define HDMI_CORE_AV_MPEG_LEN			0x288
+#define HDMI_CORE_AV_MPEG_CHSUM			0x28C
+#define HDMI_CORE_AV_MPEG_DBYTE(n)		(n * 4 + 0x290)
+#define HDMI_CORE_AV_GEN_DBYTE(n)		(n * 4 + 0x300)
+#define HDMI_CORE_AV_CP_BYTE1			0x37C
+#define HDMI_CORE_AV_GEN2_DBYTE(n)		(n * 4 + 0x380)
+#define HDMI_CORE_AV_CEC_ADDR_ID		0x3FC
+
+#define HDMI_CORE_AV_SPD_DBYTE_ELSIZE		0x4
+#define HDMI_CORE_AV_GEN2_DBYTE_ELSIZE		0x4
+#define HDMI_CORE_AV_MPEG_DBYTE_ELSIZE		0x4
+#define HDMI_CORE_AV_GEN_DBYTE_ELSIZE		0x4
+
+#define HDMI_CORE_AV_AVI_DBYTE_NELEMS		15
+#define HDMI_CORE_AV_SPD_DBYTE_NELEMS		27
+#define HDMI_CORE_AV_AUD_DBYTE_NELEMS		10
+#define HDMI_CORE_AV_MPEG_DBYTE_NELEMS		27
+#define HDMI_CORE_AV_GEN_DBYTE_NELEMS		31
+#define HDMI_CORE_AV_GEN2_DBYTE_NELEMS		31
+
+enum hdmi_core_inputbus_width {
+	HDMI_INPUT_8BIT = 0,
+	HDMI_INPUT_10BIT = 1,
+	HDMI_INPUT_12BIT = 2
+};
+
+enum hdmi_core_dither_trunc {
+	HDMI_OUTPUTTRUNCATION_8BIT = 0,
+	HDMI_OUTPUTTRUNCATION_10BIT = 1,
+	HDMI_OUTPUTTRUNCATION_12BIT = 2,
+	HDMI_OUTPUTDITHER_8BIT = 3,
+	HDMI_OUTPUTDITHER_10BIT = 4,
+	HDMI_OUTPUTDITHER_12BIT = 5
+};
+
+enum hdmi_core_deepcolor_ed {
+	HDMI_DEEPCOLORPACKECTDISABLE = 0,
+	HDMI_DEEPCOLORPACKECTENABLE = 1
+};
+
+enum hdmi_core_packet_mode {
+	HDMI_PACKETMODERESERVEDVALUE = 0,
+	HDMI_PACKETMODE24BITPERPIXEL = 4,
+	HDMI_PACKETMODE30BITPERPIXEL = 5,
+	HDMI_PACKETMODE36BITPERPIXEL = 6,
+	HDMI_PACKETMODE48BITPERPIXEL = 7
+};
+
+enum hdmi_core_tclkselclkmult {
+	HDMI_FPLL05IDCK = 0,
+	HDMI_FPLL10IDCK = 1,
+	HDMI_FPLL20IDCK = 2,
+	HDMI_FPLL40IDCK = 3
+};
+
+enum hdmi_core_packet_ctrl {
+	HDMI_PACKETENABLE = 1,
+	HDMI_PACKETDISABLE = 0,
+	HDMI_PACKETREPEATON = 1,
+	HDMI_PACKETREPEATOFF = 0
+};
+
+enum hdmi_audio_i2s_config {
+	HDMI_AUDIO_I2S_MSB_SHIFTED_FIRST = 0,
+	HDMI_AUDIO_I2S_LSB_SHIFTED_FIRST = 1,
+	HDMI_AUDIO_I2S_SCK_EDGE_FALLING = 0,
+	HDMI_AUDIO_I2S_SCK_EDGE_RISING = 1,
+	HDMI_AUDIO_I2S_VBIT_FOR_PCM = 0,
+	HDMI_AUDIO_I2S_VBIT_FOR_COMPRESSED = 1,
+	HDMI_AUDIO_I2S_FIRST_BIT_SHIFT = 0,
+	HDMI_AUDIO_I2S_FIRST_BIT_NO_SHIFT = 1,
+	HDMI_AUDIO_I2S_SD0_EN = 1,
+	HDMI_AUDIO_I2S_SD1_EN = 1 << 1,
+	HDMI_AUDIO_I2S_SD2_EN = 1 << 2,
+	HDMI_AUDIO_I2S_SD3_EN = 1 << 3,
+};
+
+struct hdmi_core_video_config {
+	enum hdmi_core_inputbus_width	ip_bus_width;
+	enum hdmi_core_dither_trunc	op_dither_truc;
+	enum hdmi_core_deepcolor_ed	deep_color_pkt;
+	enum hdmi_core_packet_mode	pkt_mode;
+	enum hdmi_core_hdmi_dvi		hdmi_dvi;
+	enum hdmi_core_tclkselclkmult	tclk_sel_clkmult;
+};
+
+struct hdmi_core_packet_enable_repeat {
+	u32	audio_pkt;
+	u32	audio_pkt_repeat;
+	u32	avi_infoframe;
+	u32	avi_infoframe_repeat;
+	u32	gen_cntrl_pkt;
+	u32	gen_cntrl_pkt_repeat;
+	u32	generic_pkt;
+	u32	generic_pkt_repeat;
+};
+
+int hdmi4_read_edid(struct hdmi_core_data *core, u8 *edid, int len);
+void hdmi4_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
+		struct hdmi_config *cfg);
+void hdmi4_core_dump(struct hdmi_core_data *core, struct seq_file *s);
+int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core);
+
+int hdmi4_audio_start(struct hdmi_core_data *core, struct hdmi_wp_data *wp);
+void hdmi4_audio_stop(struct hdmi_core_data *core, struct hdmi_wp_data *wp);
+int hdmi4_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
+		struct omap_dss_audio *audio, u32 pclk);
+#endif
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
new file mode 100644
index 000000000..bfccc2cb9
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
@@ -0,0 +1,854 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * HDMI driver for OMAP5
+ *
+ * Copyright (C) 2014 Texas Instruments Incorporated
+ *
+ * Authors:
+ *	Yong Zhi
+ *	Mythri pk
+ *	Archit Taneja <archit@ti.com>
+ *	Tomi Valkeinen <tomi.valkeinen@ti.com>
+ */
+
+#define DSS_SUBSYS_NAME "HDMI"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/clk.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+#include <linux/component.h>
+#include <video/omapfb_dss.h>
+#include <sound/omap-hdmi-audio.h>
+
+#include "hdmi5_core.h"
+#include "dss.h"
+#include "dss_features.h"
+
+static struct omap_hdmi hdmi;
+
+static int hdmi_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("hdmi_runtime_get\n");
+
+	r = pm_runtime_resume_and_get(&hdmi.pdev->dev);
+	if (WARN_ON(r < 0))
+		return r;
+
+	return 0;
+}
+
+static void hdmi_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("hdmi_runtime_put\n");
+
+	r = pm_runtime_put_sync(&hdmi.pdev->dev);
+	WARN_ON(r < 0 && r != -ENOSYS);
+}
+
+static irqreturn_t hdmi_irq_handler(int irq, void *data)
+{
+	struct hdmi_wp_data *wp = data;
+	u32 irqstatus;
+
+	irqstatus = hdmi_wp_get_irqstatus(wp);
+	hdmi_wp_set_irqstatus(wp, irqstatus);
+
+	if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
+			irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
+		u32 v;
+		/*
+		 * If we get both connect and disconnect interrupts at the same
+		 * time, turn off the PHY, clear interrupts, and restart, which
+		 * raises connect interrupt if a cable is connected, or nothing
+		 * if cable is not connected.
+		 */
+
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
+
+		/*
+		 * We always get bogus CONNECT & DISCONNECT interrupts when
+		 * setting the PHY to LDOON. To ignore those, we force the RXDET
+		 * line to 0 until the PHY power state has been changed.
+		 */
+		v = hdmi_read_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL);
+		v = FLD_MOD(v, 1, 15, 15); /* FORCE_RXDET_HIGH */
+		v = FLD_MOD(v, 0, 14, 7); /* RXDET_LINE */
+		hdmi_write_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v);
+
+		hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
+				HDMI_IRQ_LINK_DISCONNECT);
+
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
+
+		REG_FLD_MOD(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15);
+
+	} else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
+	} else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
+		hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int hdmi_init_regulator(void)
+{
+	struct regulator *reg;
+
+	if (hdmi.vdda_reg != NULL)
+		return 0;
+
+	reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");
+	if (IS_ERR(reg)) {
+		DSSERR("can't get VDDA regulator\n");
+		return PTR_ERR(reg);
+	}
+
+	hdmi.vdda_reg = reg;
+
+	return 0;
+}
+
+static int hdmi_power_on_core(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = regulator_enable(hdmi.vdda_reg);
+	if (r)
+		return r;
+
+	r = hdmi_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	/* Make selection of HDMI in DSS */
+	dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
+
+	hdmi.core_enabled = true;
+
+	return 0;
+
+err_runtime_get:
+	regulator_disable(hdmi.vdda_reg);
+
+	return r;
+}
+
+static void hdmi_power_off_core(struct omap_dss_device *dssdev)
+{
+	hdmi.core_enabled = false;
+
+	hdmi_runtime_put();
+	regulator_disable(hdmi.vdda_reg);
+}
+
+static int hdmi_power_on_full(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct omap_video_timings *p;
+	struct omap_overlay_manager *mgr = hdmi.output.manager;
+	struct dss_pll_clock_info hdmi_cinfo = { 0 };
+
+	r = hdmi_power_on_core(dssdev);
+	if (r)
+		return r;
+
+	p = &hdmi.cfg.timings;
+
+	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
+
+	hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);
+
+	/* disable and clear irqs */
+	hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
+	hdmi_wp_set_irqstatus(&hdmi.wp,
+			hdmi_wp_get_irqstatus(&hdmi.wp));
+
+	r = dss_pll_enable(&hdmi.pll.pll);
+	if (r) {
+		DSSERR("Failed to enable PLL\n");
+		goto err_pll_enable;
+	}
+
+	r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
+	if (r) {
+		DSSERR("Failed to configure PLL\n");
+		goto err_pll_cfg;
+	}
+
+	r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
+		hdmi_cinfo.clkout[0]);
+	if (r) {
+		DSSDBG("Failed to start PHY\n");
+		goto err_phy_cfg;
+	}
+
+	r = hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_LDOON);
+	if (r)
+		goto err_phy_pwr;
+
+	hdmi5_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
+
+	/* bypass TV gamma table */
+	dispc_enable_gamma_table(0);
+
+	/* tv size */
+	dss_mgr_set_timings(mgr, p);
+
+	r = hdmi_wp_video_start(&hdmi.wp);
+	if (r)
+		goto err_vid_enable;
+
+	r = dss_mgr_enable(mgr);
+	if (r)
+		goto err_mgr_enable;
+
+	hdmi_wp_set_irqenable(&hdmi.wp,
+			HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
+
+	return 0;
+
+err_mgr_enable:
+	hdmi_wp_video_stop(&hdmi.wp);
+err_vid_enable:
+	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
+err_phy_pwr:
+err_phy_cfg:
+err_pll_cfg:
+	dss_pll_disable(&hdmi.pll.pll);
+err_pll_enable:
+	hdmi_power_off_core(dssdev);
+	return -EIO;
+}
+
+static void hdmi_power_off_full(struct omap_dss_device *dssdev)
+{
+	struct omap_overlay_manager *mgr = hdmi.output.manager;
+
+	hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
+
+	dss_mgr_disable(mgr);
+
+	hdmi_wp_video_stop(&hdmi.wp);
+
+	hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
+
+	dss_pll_disable(&hdmi.pll.pll);
+
+	hdmi_power_off_core(dssdev);
+}
+
+static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
+					struct omap_video_timings *timings)
+{
+	struct omap_dss_device *out = &hdmi.output;
+
+	/* TODO: proper interlace support */
+	if (timings->interlace)
+		return -EINVAL;
+
+	if (!dispc_mgr_timings_ok(out->dispc_channel, timings))
+		return -EINVAL;
+
+	return 0;
+}
+
+static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	mutex_lock(&hdmi.lock);
+
+	hdmi.cfg.timings = *timings;
+
+	dispc_set_tv_pclk(timings->pixelclock);
+
+	mutex_unlock(&hdmi.lock);
+}
+
+static void hdmi_display_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = hdmi.cfg.timings;
+}
+
+static void hdmi_dump_regs(struct seq_file *s)
+{
+	mutex_lock(&hdmi.lock);
+
+	if (hdmi_runtime_get()) {
+		mutex_unlock(&hdmi.lock);
+		return;
+	}
+
+	hdmi_wp_dump(&hdmi.wp, s);
+	hdmi_pll_dump(&hdmi.pll, s);
+	hdmi_phy_dump(&hdmi.phy, s);
+	hdmi5_core_dump(&hdmi.core, s);
+
+	hdmi_runtime_put();
+	mutex_unlock(&hdmi.lock);
+}
+
+static int read_edid(u8 *buf, int len)
+{
+	int r;
+	int idlemode;
+
+	mutex_lock(&hdmi.lock);
+
+	r = hdmi_runtime_get();
+	BUG_ON(r);
+
+	idlemode = REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
+	/* No-idle mode */
+	REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
+
+	r = hdmi5_read_edid(&hdmi.core,  buf, len);
+
+	REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2);
+
+	hdmi_runtime_put();
+	mutex_unlock(&hdmi.lock);
+
+	return r;
+}
+
+static void hdmi_start_audio_stream(struct omap_hdmi *hd)
+{
+	REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
+	hdmi_wp_audio_enable(&hd->wp, true);
+	hdmi_wp_audio_core_req_enable(&hd->wp, true);
+}
+
+static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
+{
+	hdmi_wp_audio_core_req_enable(&hd->wp, false);
+	hdmi_wp_audio_enable(&hd->wp, false);
+	REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2);
+}
+
+static int hdmi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_device *out = &hdmi.output;
+	unsigned long flags;
+	int r = 0;
+
+	DSSDBG("ENTER hdmi_display_enable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	if (out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
+		r = -ENODEV;
+		goto err0;
+	}
+
+	r = hdmi_power_on_full(dssdev);
+	if (r) {
+		DSSERR("failed to power on device\n");
+		goto err0;
+	}
+
+	if (hdmi.audio_configured) {
+		r = hdmi5_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config,
+				       hdmi.cfg.timings.pixelclock);
+		if (r) {
+			DSSERR("Error restoring audio configuration: %d", r);
+			hdmi.audio_abort_cb(&hdmi.pdev->dev);
+			hdmi.audio_configured = false;
+		}
+	}
+
+	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
+	if (hdmi.audio_configured && hdmi.audio_playing)
+		hdmi_start_audio_stream(&hdmi);
+	hdmi.display_enabled = true;
+	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
+
+	mutex_unlock(&hdmi.lock);
+	return 0;
+
+err0:
+	mutex_unlock(&hdmi.lock);
+	return r;
+}
+
+static void hdmi_display_disable(struct omap_dss_device *dssdev)
+{
+	unsigned long flags;
+
+	DSSDBG("Enter hdmi_display_disable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
+	hdmi_stop_audio_stream(&hdmi);
+	hdmi.display_enabled = false;
+	spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
+
+	hdmi_power_off_full(dssdev);
+
+	mutex_unlock(&hdmi.lock);
+}
+
+static int hdmi_core_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	DSSDBG("ENTER omapdss_hdmi_core_enable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	r = hdmi_power_on_core(dssdev);
+	if (r) {
+		DSSERR("failed to power on device\n");
+		goto err0;
+	}
+
+	mutex_unlock(&hdmi.lock);
+	return 0;
+
+err0:
+	mutex_unlock(&hdmi.lock);
+	return r;
+}
+
+static void hdmi_core_disable(struct omap_dss_device *dssdev)
+{
+	DSSDBG("Enter omapdss_hdmi_core_disable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	hdmi_power_off_core(dssdev);
+
+	mutex_unlock(&hdmi.lock);
+}
+
+static int hdmi_connect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	struct omap_overlay_manager *mgr;
+	int r;
+
+	r = hdmi_init_regulator();
+	if (r)
+		return r;
+
+	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
+	if (!mgr)
+		return -ENODEV;
+
+	r = dss_mgr_connect(mgr, dssdev);
+	if (r)
+		return r;
+
+	r = omapdss_output_set_device(dssdev, dst);
+	if (r) {
+		DSSERR("failed to connect output to new device: %s\n",
+				dst->name);
+		dss_mgr_disconnect(mgr, dssdev);
+		return r;
+	}
+
+	return 0;
+}
+
+static void hdmi_disconnect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	WARN_ON(dst != dssdev->dst);
+
+	if (dst != dssdev->dst)
+		return;
+
+	omapdss_output_unset_device(dssdev);
+
+	if (dssdev->manager)
+		dss_mgr_disconnect(dssdev->manager, dssdev);
+}
+
+static int hdmi_read_edid(struct omap_dss_device *dssdev,
+		u8 *edid, int len)
+{
+	bool need_enable;
+	int r;
+
+	need_enable = hdmi.core_enabled == false;
+
+	if (need_enable) {
+		r = hdmi_core_enable(dssdev);
+		if (r)
+			return r;
+	}
+
+	r = read_edid(edid, len);
+
+	if (need_enable)
+		hdmi_core_disable(dssdev);
+
+	return r;
+}
+
+static int hdmi_set_infoframe(struct omap_dss_device *dssdev,
+		const struct hdmi_avi_infoframe *avi)
+{
+	hdmi.cfg.infoframe = *avi;
+	return 0;
+}
+
+static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev,
+		bool hdmi_mode)
+{
+	hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;
+	return 0;
+}
+
+static const struct omapdss_hdmi_ops hdmi_ops = {
+	.connect		= hdmi_connect,
+	.disconnect		= hdmi_disconnect,
+
+	.enable			= hdmi_display_enable,
+	.disable		= hdmi_display_disable,
+
+	.check_timings		= hdmi_display_check_timing,
+	.set_timings		= hdmi_display_set_timing,
+	.get_timings		= hdmi_display_get_timings,
+
+	.read_edid		= hdmi_read_edid,
+	.set_infoframe		= hdmi_set_infoframe,
+	.set_hdmi_mode		= hdmi_set_hdmi_mode,
+};
+
+static void hdmi_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &hdmi.output;
+
+	out->dev = &pdev->dev;
+	out->id = OMAP_DSS_OUTPUT_HDMI;
+	out->output_type = OMAP_DISPLAY_TYPE_HDMI;
+	out->name = "hdmi.0";
+	out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
+	out->ops.hdmi = &hdmi_ops;
+	out->owner = THIS_MODULE;
+
+	omapdss_register_output(out);
+}
+
+static void hdmi_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &hdmi.output;
+
+	omapdss_unregister_output(out);
+}
+
+static int hdmi_probe_of(struct platform_device *pdev)
+{
+	struct device_node *node = pdev->dev.of_node;
+	struct device_node *ep;
+	int r;
+
+	ep = omapdss_of_get_first_endpoint(node);
+	if (!ep)
+		return 0;
+
+	r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy);
+	if (r)
+		goto err;
+
+	of_node_put(ep);
+	return 0;
+
+err:
+	of_node_put(ep);
+	return r;
+}
+
+/* Audio callbacks */
+static int hdmi_audio_startup(struct device *dev,
+			      void (*abort_cb)(struct device *dev))
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	int ret = 0;
+
+	mutex_lock(&hd->lock);
+
+	if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
+		ret = -EPERM;
+		goto out;
+	}
+
+	hd->audio_abort_cb = abort_cb;
+
+out:
+	mutex_unlock(&hd->lock);
+
+	return ret;
+}
+
+static int hdmi_audio_shutdown(struct device *dev)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+
+	mutex_lock(&hd->lock);
+	hd->audio_abort_cb = NULL;
+	hd->audio_configured = false;
+	hd->audio_playing = false;
+	mutex_unlock(&hd->lock);
+
+	return 0;
+}
+
+static int hdmi_audio_start(struct device *dev)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	unsigned long flags;
+
+	WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
+
+	spin_lock_irqsave(&hd->audio_playing_lock, flags);
+
+	if (hd->display_enabled)
+		hdmi_start_audio_stream(hd);
+	hd->audio_playing = true;
+
+	spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
+	return 0;
+}
+
+static void hdmi_audio_stop(struct device *dev)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	unsigned long flags;
+
+	WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
+
+	spin_lock_irqsave(&hd->audio_playing_lock, flags);
+
+	if (hd->display_enabled)
+		hdmi_stop_audio_stream(hd);
+	hd->audio_playing = false;
+
+	spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
+}
+
+static int hdmi_audio_config(struct device *dev,
+			     struct omap_dss_audio *dss_audio)
+{
+	struct omap_hdmi *hd = dev_get_drvdata(dev);
+	int ret;
+
+	mutex_lock(&hd->lock);
+
+	if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
+		ret = -EPERM;
+		goto out;
+	}
+
+	ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio,
+				 hd->cfg.timings.pixelclock);
+
+	if (!ret) {
+		hd->audio_configured = true;
+		hd->audio_config = *dss_audio;
+	}
+out:
+	mutex_unlock(&hd->lock);
+
+	return ret;
+}
+
+static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
+	.audio_startup = hdmi_audio_startup,
+	.audio_shutdown = hdmi_audio_shutdown,
+	.audio_start = hdmi_audio_start,
+	.audio_stop = hdmi_audio_stop,
+	.audio_config = hdmi_audio_config,
+};
+
+static int hdmi_audio_register(struct device *dev)
+{
+	struct omap_hdmi_audio_pdata pdata = {
+		.dev = dev,
+		.version = 5,
+		.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
+		.ops = &hdmi_audio_ops,
+	};
+
+	hdmi.audio_pdev = platform_device_register_data(
+		dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
+		&pdata, sizeof(pdata));
+
+	if (IS_ERR(hdmi.audio_pdev))
+		return PTR_ERR(hdmi.audio_pdev);
+
+	hdmi_runtime_get();
+	hdmi.wp_idlemode =
+		REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
+	hdmi_runtime_put();
+
+	return 0;
+}
+
+/* HDMI HW IP initialisation */
+static int hdmi5_bind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	int r;
+	int irq;
+
+	hdmi.pdev = pdev;
+	platform_set_drvdata(pdev, &hdmi);
+
+	mutex_init(&hdmi.lock);
+	spin_lock_init(&hdmi.audio_playing_lock);
+
+	if (pdev->dev.of_node) {
+		r = hdmi_probe_of(pdev);
+		if (r)
+			return r;
+	}
+
+	r = hdmi_wp_init(pdev, &hdmi.wp);
+	if (r)
+		return r;
+
+	r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp);
+	if (r)
+		return r;
+
+	r = hdmi_phy_init(pdev, &hdmi.phy);
+	if (r)
+		goto err;
+
+	r = hdmi5_core_init(pdev, &hdmi.core);
+	if (r)
+		goto err;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		DSSERR("platform_get_irq failed\n");
+		r = -ENODEV;
+		goto err;
+	}
+
+	r = devm_request_threaded_irq(&pdev->dev, irq,
+			NULL, hdmi_irq_handler,
+			IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);
+	if (r) {
+		DSSERR("HDMI IRQ request failed\n");
+		goto err;
+	}
+
+	pm_runtime_enable(&pdev->dev);
+
+	hdmi_init_output(pdev);
+
+	r = hdmi_audio_register(&pdev->dev);
+	if (r) {
+		DSSERR("Registering HDMI audio failed %d\n", r);
+		hdmi_uninit_output(pdev);
+		pm_runtime_disable(&pdev->dev);
+		return r;
+	}
+
+	dss_debugfs_create_file("hdmi", hdmi_dump_regs);
+
+	return 0;
+err:
+	hdmi_pll_uninit(&hdmi.pll);
+	return r;
+}
+
+static void hdmi5_unbind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	if (hdmi.audio_pdev)
+		platform_device_unregister(hdmi.audio_pdev);
+
+	hdmi_uninit_output(pdev);
+
+	hdmi_pll_uninit(&hdmi.pll);
+
+	pm_runtime_disable(&pdev->dev);
+}
+
+static const struct component_ops hdmi5_component_ops = {
+	.bind	= hdmi5_bind,
+	.unbind	= hdmi5_unbind,
+};
+
+static int hdmi5_probe(struct platform_device *pdev)
+{
+	return component_add(&pdev->dev, &hdmi5_component_ops);
+}
+
+static int hdmi5_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &hdmi5_component_ops);
+	return 0;
+}
+
+static int hdmi_runtime_suspend(struct device *dev)
+{
+	dispc_runtime_put();
+
+	return 0;
+}
+
+static int hdmi_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dispc_runtime_get();
+	if (r < 0)
+		return r;
+
+	return 0;
+}
+
+static const struct dev_pm_ops hdmi_pm_ops = {
+	.runtime_suspend = hdmi_runtime_suspend,
+	.runtime_resume = hdmi_runtime_resume,
+};
+
+static const struct of_device_id hdmi_of_match[] = {
+	{ .compatible = "ti,omap5-hdmi", },
+	{ .compatible = "ti,dra7-hdmi", },
+	{},
+};
+
+static struct platform_driver omapdss_hdmihw_driver = {
+	.probe		= hdmi5_probe,
+	.remove		= hdmi5_remove,
+	.driver         = {
+		.name   = "omapdss_hdmi5",
+		.pm	= &hdmi_pm_ops,
+		.of_match_table = hdmi_of_match,
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init hdmi5_init_platform_driver(void)
+{
+	return platform_driver_register(&omapdss_hdmihw_driver);
+}
+
+void hdmi5_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omapdss_hdmihw_driver);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
new file mode 100644
index 000000000..cb63bc0e9
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
@@ -0,0 +1,897 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * OMAP5 HDMI CORE IP driver library
+ *
+ * Copyright (C) 2014 Texas Instruments Incorporated
+ *
+ * Authors:
+ *	Yong Zhi
+ *	Mythri pk
+ *	Archit Taneja <archit@ti.com>
+ *	Tomi Valkeinen <tomi.valkeinen@ti.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/seq_file.h>
+#include <drm/drm_edid.h>
+#include <sound/asound.h>
+#include <sound/asoundef.h>
+
+#include "hdmi5_core.h"
+
+/* only 24 bit color depth used for now */
+static const struct csc_table csc_table_deepcolor[] = {
+	/* HDMI_DEEP_COLOR_24BIT */
+	[0] = { 7036, 0, 0, 32, 0, 7036, 0, 32, 0, 0, 7036, 32, },
+	/* HDMI_DEEP_COLOR_30BIT */
+	[1] = { 7015, 0, 0, 128, 0, 7015, 0, 128, 0, 0, 7015, 128, },
+	/* HDMI_DEEP_COLOR_36BIT */
+	[2] = { 7010, 0, 0, 512, 0, 7010, 0, 512, 0, 0, 7010, 512, },
+	/* FULL RANGE */
+	[3] = { 8192, 0, 0, 0, 0, 8192, 0, 0, 0, 0, 8192, 0, },
+};
+
+static void hdmi_core_ddc_init(struct hdmi_core_data *core)
+{
+	void __iomem *base = core->base;
+	const unsigned long long iclk = 266000000;	/* DSS L3 ICLK */
+	const unsigned ss_scl_high = 4600;		/* ns */
+	const unsigned ss_scl_low = 5400;		/* ns */
+	const unsigned fs_scl_high = 600;		/* ns */
+	const unsigned fs_scl_low = 1300;		/* ns */
+	const unsigned sda_hold = 1000;			/* ns */
+	const unsigned sfr_div = 10;
+	unsigned long long sfr;
+	unsigned v;
+
+	sfr = iclk / sfr_div;	/* SFR_DIV */
+	sfr /= 1000;		/* SFR clock in kHz */
+
+	/* Reset */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SOFTRSTZ, 0, 0, 0);
+	if (hdmi_wait_for_bit_change(base, HDMI_CORE_I2CM_SOFTRSTZ,
+				0, 0, 1) != 1)
+		DSSERR("HDMI I2CM reset failed\n");
+
+	/* Standard (0) or Fast (1) Mode */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_DIV, 0, 3, 3);
+
+	/* Standard Mode SCL High counter */
+	v = DIV_ROUND_UP_ULL(ss_scl_high * sfr, 1000000);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR,
+			(v >> 8) & 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR,
+			v & 0xff, 7, 0);
+
+	/* Standard Mode SCL Low counter */
+	v = DIV_ROUND_UP_ULL(ss_scl_low * sfr, 1000000);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR,
+			(v >> 8) & 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR,
+			v & 0xff, 7, 0);
+
+	/* Fast Mode SCL High Counter */
+	v = DIV_ROUND_UP_ULL(fs_scl_high * sfr, 1000000);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR,
+			(v >> 8) & 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR,
+			v & 0xff, 7, 0);
+
+	/* Fast Mode SCL Low Counter */
+	v = DIV_ROUND_UP_ULL(fs_scl_low * sfr, 1000000);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR,
+			(v >> 8) & 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR,
+			v & 0xff, 7, 0);
+
+	/* SDA Hold Time */
+	v = DIV_ROUND_UP_ULL(sda_hold * sfr, 1000000);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SDA_HOLD_ADDR, v & 0xff, 7, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SLAVE, 0x50, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SEGADDR, 0x30, 6, 0);
+
+	/* NACK_POL to high */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 7, 7);
+
+	/* NACK_MASK to unmasked */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x0, 6, 6);
+
+	/* ARBITRATION_POL to high */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 3, 3);
+
+	/* ARBITRATION_MASK to unmasked */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x0, 2, 2);
+
+	/* DONE_POL to high */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 3, 3);
+
+	/* DONE_MASK to unmasked */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x0, 2, 2);
+}
+
+static void hdmi_core_ddc_uninit(struct hdmi_core_data *core)
+{
+	void __iomem *base = core->base;
+
+	/* Mask I2C interrupts */
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 6, 6);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 2, 2);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 2, 2);
+}
+
+static int hdmi_core_ddc_edid(struct hdmi_core_data *core, u8 *pedid, u8 ext)
+{
+	void __iomem *base = core->base;
+	u8 cur_addr;
+	char checksum = 0;
+	const int retries = 1000;
+	u8 seg_ptr = ext / 2;
+	u8 edidbase = ((ext % 2) * 0x80);
+
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_SEGPTR, seg_ptr, 7, 0);
+
+	/*
+	 * TODO: We use polling here, although we probably should use proper
+	 * interrupts.
+	 */
+	for (cur_addr = 0; cur_addr < 128; ++cur_addr) {
+		int i;
+
+		/* clear ERROR and DONE */
+		REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0x3, 1, 0);
+
+		REG_FLD_MOD(base, HDMI_CORE_I2CM_ADDRESS,
+				edidbase + cur_addr, 7, 0);
+
+		if (seg_ptr)
+			REG_FLD_MOD(base, HDMI_CORE_I2CM_OPERATION, 1, 1, 1);
+		else
+			REG_FLD_MOD(base, HDMI_CORE_I2CM_OPERATION, 1, 0, 0);
+
+		for (i = 0; i < retries; ++i) {
+			u32 stat;
+
+			stat = REG_GET(base, HDMI_CORE_IH_I2CM_STAT0, 1, 0);
+
+			/* I2CM_ERROR */
+			if (stat & 1) {
+				DSSERR("HDMI I2C Master Error\n");
+				return -EIO;
+			}
+
+			/* I2CM_DONE */
+			if (stat & (1 << 1))
+				break;
+
+			usleep_range(250, 1000);
+		}
+
+		if (i == retries) {
+			DSSERR("HDMI I2C timeout reading EDID\n");
+			return -EIO;
+		}
+
+		pedid[cur_addr] = REG_GET(base, HDMI_CORE_I2CM_DATAI, 7, 0);
+		checksum += pedid[cur_addr];
+	}
+
+	return 0;
+
+}
+
+int hdmi5_read_edid(struct hdmi_core_data *core, u8 *edid, int len)
+{
+	int r, n, i;
+	int max_ext_blocks = (len / 128) - 1;
+
+	if (len < 128)
+		return -EINVAL;
+
+	hdmi_core_ddc_init(core);
+
+	r = hdmi_core_ddc_edid(core, edid, 0);
+	if (r)
+		goto out;
+
+	n = edid[0x7e];
+
+	if (n > max_ext_blocks)
+		n = max_ext_blocks;
+
+	for (i = 1; i <= n; i++) {
+		r = hdmi_core_ddc_edid(core, edid + i * EDID_LENGTH, i);
+		if (r)
+			goto out;
+	}
+
+out:
+	hdmi_core_ddc_uninit(core);
+
+	return r ? r : len;
+}
+
+void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s)
+{
+
+#define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(core->base, r))
+
+	DUMPCORE(HDMI_CORE_FC_INVIDCONF);
+	DUMPCORE(HDMI_CORE_FC_INHACTIV0);
+	DUMPCORE(HDMI_CORE_FC_INHACTIV1);
+	DUMPCORE(HDMI_CORE_FC_INHBLANK0);
+	DUMPCORE(HDMI_CORE_FC_INHBLANK1);
+	DUMPCORE(HDMI_CORE_FC_INVACTIV0);
+	DUMPCORE(HDMI_CORE_FC_INVACTIV1);
+	DUMPCORE(HDMI_CORE_FC_INVBLANK);
+	DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY0);
+	DUMPCORE(HDMI_CORE_FC_HSYNCINDELAY1);
+	DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH0);
+	DUMPCORE(HDMI_CORE_FC_HSYNCINWIDTH1);
+	DUMPCORE(HDMI_CORE_FC_VSYNCINDELAY);
+	DUMPCORE(HDMI_CORE_FC_VSYNCINWIDTH);
+	DUMPCORE(HDMI_CORE_FC_CTRLDUR);
+	DUMPCORE(HDMI_CORE_FC_EXCTRLDUR);
+	DUMPCORE(HDMI_CORE_FC_EXCTRLSPAC);
+	DUMPCORE(HDMI_CORE_FC_CH0PREAM);
+	DUMPCORE(HDMI_CORE_FC_CH1PREAM);
+	DUMPCORE(HDMI_CORE_FC_CH2PREAM);
+	DUMPCORE(HDMI_CORE_FC_AVICONF0);
+	DUMPCORE(HDMI_CORE_FC_AVICONF1);
+	DUMPCORE(HDMI_CORE_FC_AVICONF2);
+	DUMPCORE(HDMI_CORE_FC_AVIVID);
+	DUMPCORE(HDMI_CORE_FC_PRCONF);
+
+	DUMPCORE(HDMI_CORE_MC_CLKDIS);
+	DUMPCORE(HDMI_CORE_MC_SWRSTZREQ);
+	DUMPCORE(HDMI_CORE_MC_FLOWCTRL);
+	DUMPCORE(HDMI_CORE_MC_PHYRSTZ);
+	DUMPCORE(HDMI_CORE_MC_LOCKONCLOCK);
+
+	DUMPCORE(HDMI_CORE_I2CM_SLAVE);
+	DUMPCORE(HDMI_CORE_I2CM_ADDRESS);
+	DUMPCORE(HDMI_CORE_I2CM_DATAO);
+	DUMPCORE(HDMI_CORE_I2CM_DATAI);
+	DUMPCORE(HDMI_CORE_I2CM_OPERATION);
+	DUMPCORE(HDMI_CORE_I2CM_INT);
+	DUMPCORE(HDMI_CORE_I2CM_CTLINT);
+	DUMPCORE(HDMI_CORE_I2CM_DIV);
+	DUMPCORE(HDMI_CORE_I2CM_SEGADDR);
+	DUMPCORE(HDMI_CORE_I2CM_SOFTRSTZ);
+	DUMPCORE(HDMI_CORE_I2CM_SEGPTR);
+	DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR);
+	DUMPCORE(HDMI_CORE_I2CM_SDA_HOLD_ADDR);
+}
+
+static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg,
+			struct hdmi_config *cfg)
+{
+	DSSDBG("hdmi_core_init\n");
+
+	/* video core */
+	video_cfg->data_enable_pol = 1; /* It is always 1*/
+	video_cfg->v_fc_config.timings.hsync_level = cfg->timings.hsync_level;
+	video_cfg->v_fc_config.timings.x_res = cfg->timings.x_res;
+	video_cfg->v_fc_config.timings.hsw = cfg->timings.hsw - 1;
+	video_cfg->v_fc_config.timings.hbp = cfg->timings.hbp;
+	video_cfg->v_fc_config.timings.hfp = cfg->timings.hfp;
+	video_cfg->hblank = cfg->timings.hfp +
+				cfg->timings.hbp + cfg->timings.hsw - 1;
+	video_cfg->v_fc_config.timings.vsync_level = cfg->timings.vsync_level;
+	video_cfg->v_fc_config.timings.y_res = cfg->timings.y_res;
+	video_cfg->v_fc_config.timings.vsw = cfg->timings.vsw;
+	video_cfg->v_fc_config.timings.vfp = cfg->timings.vfp;
+	video_cfg->v_fc_config.timings.vbp = cfg->timings.vbp;
+	video_cfg->vblank_osc = 0; /* Always 0 - need to confirm */
+	video_cfg->vblank = cfg->timings.vsw +
+				cfg->timings.vfp + cfg->timings.vbp;
+	video_cfg->v_fc_config.hdmi_dvi_mode = cfg->hdmi_dvi_mode;
+	video_cfg->v_fc_config.timings.interlace = cfg->timings.interlace;
+}
+
+/* DSS_HDMI_CORE_VIDEO_CONFIG */
+static void hdmi_core_video_config(struct hdmi_core_data *core,
+			struct hdmi_core_vid_config *cfg)
+{
+	void __iomem *base = core->base;
+	unsigned char r = 0;
+	bool vsync_pol, hsync_pol;
+
+	vsync_pol =
+		cfg->v_fc_config.timings.vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+	hsync_pol =
+		cfg->v_fc_config.timings.hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+
+	/* Set hsync, vsync and data-enable polarity  */
+	r = hdmi_read_reg(base, HDMI_CORE_FC_INVIDCONF);
+	r = FLD_MOD(r, vsync_pol, 6, 6);
+	r = FLD_MOD(r, hsync_pol, 5, 5);
+	r = FLD_MOD(r, cfg->data_enable_pol, 4, 4);
+	r = FLD_MOD(r, cfg->vblank_osc, 1, 1);
+	r = FLD_MOD(r, cfg->v_fc_config.timings.interlace, 0, 0);
+	hdmi_write_reg(base, HDMI_CORE_FC_INVIDCONF, r);
+
+	/* set x resolution */
+	REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV1,
+			cfg->v_fc_config.timings.x_res >> 8, 4, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV0,
+			cfg->v_fc_config.timings.x_res & 0xFF, 7, 0);
+
+	/* set y resolution */
+	REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV1,
+			cfg->v_fc_config.timings.y_res >> 8, 4, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV0,
+			cfg->v_fc_config.timings.y_res & 0xFF, 7, 0);
+
+	/* set horizontal blanking pixels */
+	REG_FLD_MOD(base, HDMI_CORE_FC_INHBLANK1, cfg->hblank >> 8, 4, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_INHBLANK0, cfg->hblank & 0xFF, 7, 0);
+
+	/* set vertial blanking pixels */
+	REG_FLD_MOD(base, HDMI_CORE_FC_INVBLANK, cfg->vblank, 7, 0);
+
+	/* set horizontal sync offset */
+	REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY1,
+			cfg->v_fc_config.timings.hfp >> 8, 4, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY0,
+			cfg->v_fc_config.timings.hfp & 0xFF, 7, 0);
+
+	/* set vertical sync offset */
+	REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINDELAY,
+			cfg->v_fc_config.timings.vfp, 7, 0);
+
+	/* set horizontal sync pulse width */
+	REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH1,
+			(cfg->v_fc_config.timings.hsw >> 8), 1, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH0,
+			cfg->v_fc_config.timings.hsw & 0xFF, 7, 0);
+
+	/*  set vertical sync pulse width */
+	REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINWIDTH,
+			cfg->v_fc_config.timings.vsw, 5, 0);
+
+	/* select DVI mode */
+	REG_FLD_MOD(base, HDMI_CORE_FC_INVIDCONF,
+			cfg->v_fc_config.hdmi_dvi_mode, 3, 3);
+}
+
+static void hdmi_core_config_video_packetizer(struct hdmi_core_data *core)
+{
+	void __iomem *base = core->base;
+	int clr_depth = 0;	/* 24 bit color depth */
+
+	/* COLOR_DEPTH */
+	REG_FLD_MOD(base, HDMI_CORE_VP_PR_CD, clr_depth, 7, 4);
+	/* BYPASS_EN */
+	REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 0 : 1, 6, 6);
+	/* PP_EN */
+	REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 1 : 0, 5, 5);
+	/* YCC422_EN */
+	REG_FLD_MOD(base, HDMI_CORE_VP_CONF, 0, 3, 3);
+	/* PP_STUFFING */
+	REG_FLD_MOD(base, HDMI_CORE_VP_STUFF, clr_depth ? 1 : 0, 1, 1);
+	/* YCC422_STUFFING */
+	REG_FLD_MOD(base, HDMI_CORE_VP_STUFF, 1, 2, 2);
+	/* OUTPUT_SELECTOR */
+	REG_FLD_MOD(base, HDMI_CORE_VP_CONF, clr_depth ? 0 : 2, 1, 0);
+}
+
+static void hdmi_core_config_csc(struct hdmi_core_data *core)
+{
+	int clr_depth = 0;	/* 24 bit color depth */
+
+	/* CSC_COLORDEPTH */
+	REG_FLD_MOD(core->base, HDMI_CORE_CSC_SCALE, clr_depth, 7, 4);
+}
+
+static void hdmi_core_config_video_sampler(struct hdmi_core_data *core)
+{
+	int video_mapping = 1;	/* for 24 bit color depth */
+
+	/* VIDEO_MAPPING */
+	REG_FLD_MOD(core->base, HDMI_CORE_TX_INVID0, video_mapping, 4, 0);
+}
+
+static void hdmi_core_write_avi_infoframe(struct hdmi_core_data *core,
+	struct hdmi_avi_infoframe *frame)
+{
+	void __iomem *base = core->base;
+	u8 data[HDMI_INFOFRAME_SIZE(AVI)];
+	u8 *ptr;
+	unsigned y, a, b, s;
+	unsigned c, m, r;
+	unsigned itc, ec, q, sc;
+	unsigned vic;
+	unsigned yq, cn, pr;
+
+	hdmi_avi_infoframe_pack(frame, data, sizeof(data));
+
+	print_hex_dump_debug("AVI: ", DUMP_PREFIX_NONE, 16, 1, data,
+		HDMI_INFOFRAME_SIZE(AVI), false);
+
+	ptr = data + HDMI_INFOFRAME_HEADER_SIZE;
+
+	y = (ptr[0] >> 5) & 0x3;
+	a = (ptr[0] >> 4) & 0x1;
+	b = (ptr[0] >> 2) & 0x3;
+	s = (ptr[0] >> 0) & 0x3;
+
+	c = (ptr[1] >> 6) & 0x3;
+	m = (ptr[1] >> 4) & 0x3;
+	r = (ptr[1] >> 0) & 0xf;
+
+	itc = (ptr[2] >> 7) & 0x1;
+	ec = (ptr[2] >> 4) & 0x7;
+	q = (ptr[2] >> 2) & 0x3;
+	sc = (ptr[2] >> 0) & 0x3;
+
+	vic = ptr[3];
+
+	yq = (ptr[4] >> 6) & 0x3;
+	cn = (ptr[4] >> 4) & 0x3;
+	pr = (ptr[4] >> 0) & 0xf;
+
+	hdmi_write_reg(base, HDMI_CORE_FC_AVICONF0,
+		(a << 6) | (s << 4) | (b << 2) | (y << 0));
+
+	hdmi_write_reg(base, HDMI_CORE_FC_AVICONF1,
+		(c << 6) | (m << 4) | (r << 0));
+
+	hdmi_write_reg(base, HDMI_CORE_FC_AVICONF2,
+		(itc << 7) | (ec << 4) | (q << 2) | (sc << 0));
+
+	hdmi_write_reg(base, HDMI_CORE_FC_AVIVID, vic);
+
+	hdmi_write_reg(base, HDMI_CORE_FC_AVICONF3,
+		(yq << 2) | (cn << 0));
+
+	REG_FLD_MOD(base, HDMI_CORE_FC_PRCONF, pr, 3, 0);
+}
+
+static void hdmi_core_csc_config(struct hdmi_core_data *core,
+		struct csc_table csc_coeff)
+{
+	void __iomem *base = core->base;
+
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A1_MSB, csc_coeff.a1 >> 8 , 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A1_LSB, csc_coeff.a1, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A2_MSB, csc_coeff.a2 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A2_LSB, csc_coeff.a2, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A3_MSB, csc_coeff.a3 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A3_LSB, csc_coeff.a3, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A4_MSB, csc_coeff.a4 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_A4_LSB, csc_coeff.a4, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B1_MSB, csc_coeff.b1 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B1_LSB, csc_coeff.b1, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B2_MSB, csc_coeff.b2 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B2_LSB, csc_coeff.b2, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B3_MSB, csc_coeff.b3 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B3_LSB, csc_coeff.b3, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_MSB, csc_coeff.b4 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_LSB, csc_coeff.b4, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C1_MSB, csc_coeff.c1 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C1_LSB, csc_coeff.c1, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C2_MSB, csc_coeff.c2 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C2_LSB, csc_coeff.c2, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C3_MSB, csc_coeff.c3 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C3_LSB, csc_coeff.c3, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_MSB, csc_coeff.c4 >> 8, 6, 0);
+	REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_LSB, csc_coeff.c4, 7, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_MC_FLOWCTRL, 0x1, 0, 0);
+}
+
+static void hdmi_core_configure_range(struct hdmi_core_data *core)
+{
+	struct csc_table csc_coeff = { 0 };
+
+	/* support limited range with 24 bit color depth for now */
+	csc_coeff = csc_table_deepcolor[0];
+
+	hdmi_core_csc_config(core, csc_coeff);
+}
+
+static void hdmi_core_enable_video_path(struct hdmi_core_data *core)
+{
+	void __iomem *base = core->base;
+
+	DSSDBG("hdmi_core_enable_video_path\n");
+
+	REG_FLD_MOD(base, HDMI_CORE_FC_CTRLDUR, 0x0C, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_EXCTRLDUR, 0x20, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_EXCTRLSPAC, 0x01, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_CH0PREAM, 0x0B, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_CH1PREAM, 0x16, 5, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_CH2PREAM, 0x21, 5, 0);
+	REG_FLD_MOD(base, HDMI_CORE_MC_CLKDIS, 0x00, 0, 0);
+	REG_FLD_MOD(base, HDMI_CORE_MC_CLKDIS, 0x00, 1, 1);
+}
+
+static void hdmi_core_mask_interrupts(struct hdmi_core_data *core)
+{
+	void __iomem *base = core->base;
+
+	/* Master IRQ mask */
+	REG_FLD_MOD(base, HDMI_CORE_IH_MUTE, 0x3, 1, 0);
+
+	/* Mask all the interrupts in HDMI core */
+
+	REG_FLD_MOD(base, HDMI_CORE_VP_MASK, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_MASK0, 0xe7, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_MASK1, 0xfb, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_MASK2, 0x3, 1, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_AUD_INT, 0x3, 3, 2);
+	REG_FLD_MOD(base, HDMI_CORE_AUD_GP_MASK, 0x3, 1, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_CEC_MASK, 0x7f, 6, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 6, 6);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_CTLINT, 0x1, 2, 2);
+	REG_FLD_MOD(base, HDMI_CORE_I2CM_INT, 0x1, 2, 2);
+
+	REG_FLD_MOD(base, HDMI_CORE_PHY_MASK0, 0xf3, 7, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
+
+	/* Clear all the current interrupt bits */
+
+	REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xe7, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xfb, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0x3, 1, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0x7, 2, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0x7f, 6, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0x3, 1, 0);
+
+	REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
+}
+
+static void hdmi_core_enable_interrupts(struct hdmi_core_data *core)
+{
+	/* Unmute interrupts */
+	REG_FLD_MOD(core->base, HDMI_CORE_IH_MUTE, 0x0, 1, 0);
+}
+
+int hdmi5_core_handle_irqs(struct hdmi_core_data *core)
+{
+	void __iomem *base = core->base;
+
+	REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT0, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT1, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_FC_STAT2, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_AS_STAT0, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_PHY_STAT0, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_I2CM_STAT0, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_CEC_STAT0, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_VP_STAT0, 0xff, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_IH_I2CMPHY_STAT0, 0xff, 7, 0);
+
+	return 0;
+}
+
+void hdmi5_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
+		struct hdmi_config *cfg)
+{
+	struct omap_video_timings video_timing;
+	struct hdmi_video_format video_format;
+	struct hdmi_core_vid_config v_core_cfg;
+
+	hdmi_core_mask_interrupts(core);
+
+	hdmi_core_init(&v_core_cfg, cfg);
+
+	hdmi_wp_init_vid_fmt_timings(&video_format, &video_timing, cfg);
+
+	hdmi_wp_video_config_timing(wp, &video_timing);
+
+	/* video config */
+	video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
+
+	hdmi_wp_video_config_format(wp, &video_format);
+
+	hdmi_wp_video_config_interface(wp, &video_timing);
+
+	/* support limited range with 24 bit color depth for now */
+	hdmi_core_configure_range(core);
+	cfg->infoframe.quantization_range = HDMI_QUANTIZATION_RANGE_LIMITED;
+
+	/*
+	 * configure core video part, set software reset in the core
+	 */
+	v_core_cfg.packet_mode = HDMI_PACKETMODE24BITPERPIXEL;
+
+	hdmi_core_video_config(core, &v_core_cfg);
+
+	hdmi_core_config_video_packetizer(core);
+	hdmi_core_config_csc(core);
+	hdmi_core_config_video_sampler(core);
+
+	if (cfg->hdmi_dvi_mode == HDMI_HDMI)
+		hdmi_core_write_avi_infoframe(core, &cfg->infoframe);
+
+	hdmi_core_enable_video_path(core);
+
+	hdmi_core_enable_interrupts(core);
+}
+
+static void hdmi5_core_audio_config(struct hdmi_core_data *core,
+			struct hdmi_core_audio_config *cfg)
+{
+	void __iomem *base = core->base;
+	u8 val;
+
+	/* Mute audio before configuring */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0xf, 7, 4);
+
+	/* Set the N parameter */
+	REG_FLD_MOD(base, HDMI_CORE_AUD_N1, cfg->n, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_AUD_N2, cfg->n >> 8, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_AUD_N3, cfg->n >> 16, 3, 0);
+
+	/*
+	 * CTS manual mode. Automatic mode is not supported when using audio
+	 * parallel interface.
+	 */
+	REG_FLD_MOD(base, HDMI_CORE_AUD_CTS3, 1, 4, 4);
+	REG_FLD_MOD(base, HDMI_CORE_AUD_CTS1, cfg->cts, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_AUD_CTS2, cfg->cts >> 8, 7, 0);
+	REG_FLD_MOD(base, HDMI_CORE_AUD_CTS3, cfg->cts >> 16, 3, 0);
+
+	/* Layout of Audio Sample Packets: 2-channel or multichannels */
+	if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH)
+		REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0, 0, 0);
+	else
+		REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 1, 0, 0);
+
+	/* Configure IEC-609580 Validity bits */
+	/* Channel 0 is valid */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, 0, 0, 0);
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, 0, 4, 4);
+
+	if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH)
+		val = 1;
+	else
+		val = 0;
+
+	/* Channels 1, 2 setting */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 1, 1);
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 5, 5);
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 2, 2);
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 6, 6);
+	/* Channel 3 setting */
+	if (cfg->layout == HDMI_AUDIO_LAYOUT_6CH)
+		val = 1;
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 3, 3);
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSV, val, 7, 7);
+
+	/* Configure IEC-60958 User bits */
+	/* TODO: should be set by user. */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSU, 0, 7, 0);
+
+	/* Configure IEC-60958 Channel Status word */
+	/* CGMSA */
+	val = cfg->iec60958_cfg->status[5] & IEC958_AES5_CON_CGMSA;
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(0), val, 5, 4);
+
+	/* Copyright */
+	val = (cfg->iec60958_cfg->status[0] &
+			IEC958_AES0_CON_NOT_COPYRIGHT) >> 2;
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(0), val, 0, 0);
+
+	/* Category */
+	hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(1),
+		cfg->iec60958_cfg->status[1]);
+
+	/* PCM audio mode */
+	val = (cfg->iec60958_cfg->status[0] & IEC958_AES0_CON_MODE) >> 6;
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(2), val, 6, 4);
+
+	/* Source number */
+	val = cfg->iec60958_cfg->status[2] & IEC958_AES2_CON_SOURCE;
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(2), val, 3, 0);
+
+	/* Channel number right 0  */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(3), 2, 3, 0);
+	/* Channel number right 1*/
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(3), 4, 7, 4);
+	/* Channel number right 2  */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(4), 6, 3, 0);
+	/* Channel number right 3*/
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(4), 8, 7, 4);
+	/* Channel number left 0  */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(5), 1, 3, 0);
+	/* Channel number left 1*/
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(5), 3, 7, 4);
+	/* Channel number left 2  */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(6), 5, 3, 0);
+	/* Channel number left 3*/
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCHNLS(6), 7, 7, 4);
+
+	/* Clock accuracy and sample rate */
+	hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(7),
+		cfg->iec60958_cfg->status[3]);
+
+	/* Original sample rate and word length */
+	hdmi_write_reg(base, HDMI_CORE_FC_AUDSCHNLS(8),
+		cfg->iec60958_cfg->status[4]);
+
+	/* Enable FIFO empty and full interrupts */
+	REG_FLD_MOD(base, HDMI_CORE_AUD_INT, 3, 3, 2);
+
+	/* Configure GPA */
+	/* select HBR/SPDIF interfaces */
+	if (cfg->layout == HDMI_AUDIO_LAYOUT_2CH) {
+		/* select HBR/SPDIF interfaces */
+		REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
+		/* enable two channels in GPA */
+		REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 3, 7, 0);
+	} else if (cfg->layout == HDMI_AUDIO_LAYOUT_6CH) {
+		/* select HBR/SPDIF interfaces */
+		REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
+		/* enable six channels in GPA */
+		REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 0x3F, 7, 0);
+	} else {
+		/* select HBR/SPDIF interfaces */
+		REG_FLD_MOD(base, HDMI_CORE_AUD_CONF0, 0, 5, 5);
+		/* enable eight channels in GPA */
+		REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF1, 0xFF, 7, 0);
+	}
+
+	/* disable HBR */
+	REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF2, 0, 0, 0);
+	/* enable PCUV */
+	REG_FLD_MOD(base, HDMI_CORE_AUD_GP_CONF2, 1, 1, 1);
+	/* enable GPA FIFO full and empty mask */
+	REG_FLD_MOD(base, HDMI_CORE_AUD_GP_MASK, 3, 1, 0);
+	/* set polarity of GPA FIFO empty interrupts */
+	REG_FLD_MOD(base, HDMI_CORE_AUD_GP_POL, 1, 0, 0);
+
+	/* unmute audio */
+	REG_FLD_MOD(base, HDMI_CORE_FC_AUDSCONF, 0, 7, 4);
+}
+
+static void hdmi5_core_audio_infoframe_cfg(struct hdmi_core_data *core,
+	 struct snd_cea_861_aud_if *info_aud)
+{
+	void __iomem *base = core->base;
+
+	/* channel count and coding type fields in AUDICONF0 are swapped */
+	hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF0,
+		(info_aud->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CC) << 4 |
+		(info_aud->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CT) >> 4);
+
+	hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF1, info_aud->db2_sf_ss);
+	hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF2, info_aud->db4_ca);
+	hdmi_write_reg(base, HDMI_CORE_FC_AUDICONF3,
+	  (info_aud->db5_dminh_lsv & CEA861_AUDIO_INFOFRAME_DB5_DM_INH) >> 3 |
+	  (info_aud->db5_dminh_lsv & CEA861_AUDIO_INFOFRAME_DB5_LSV));
+}
+
+int hdmi5_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
+			struct omap_dss_audio *audio, u32 pclk)
+{
+	struct hdmi_audio_format audio_format;
+	struct hdmi_audio_dma audio_dma;
+	struct hdmi_core_audio_config core_cfg;
+	int n, cts, channel_count;
+	unsigned int fs_nr;
+	bool word_length_16b = false;
+
+	if (!audio || !audio->iec || !audio->cea || !core)
+		return -EINVAL;
+
+	core_cfg.iec60958_cfg = audio->iec;
+
+	if (!(audio->iec->status[4] & IEC958_AES4_CON_MAX_WORDLEN_24) &&
+		(audio->iec->status[4] & IEC958_AES4_CON_WORDLEN_20_16))
+			word_length_16b = true;
+
+	/* only 16-bit word length supported atm */
+	if (!word_length_16b)
+		return -EINVAL;
+
+	switch (audio->iec->status[3] & IEC958_AES3_CON_FS) {
+	case IEC958_AES3_CON_FS_32000:
+		fs_nr = 32000;
+		break;
+	case IEC958_AES3_CON_FS_44100:
+		fs_nr = 44100;
+		break;
+	case IEC958_AES3_CON_FS_48000:
+		fs_nr = 48000;
+		break;
+	case IEC958_AES3_CON_FS_88200:
+		fs_nr = 88200;
+		break;
+	case IEC958_AES3_CON_FS_96000:
+		fs_nr = 96000;
+		break;
+	case IEC958_AES3_CON_FS_176400:
+		fs_nr = 176400;
+		break;
+	case IEC958_AES3_CON_FS_192000:
+		fs_nr = 192000;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	hdmi_compute_acr(pclk, fs_nr, &n, &cts);
+	core_cfg.n = n;
+	core_cfg.cts = cts;
+
+	/* Audio channels settings */
+	channel_count = (audio->cea->db1_ct_cc & CEA861_AUDIO_INFOFRAME_DB1CC)
+				+ 1;
+
+	if (channel_count == 2)
+		core_cfg.layout = HDMI_AUDIO_LAYOUT_2CH;
+	else if (channel_count == 6)
+		core_cfg.layout = HDMI_AUDIO_LAYOUT_6CH;
+	else
+		core_cfg.layout = HDMI_AUDIO_LAYOUT_8CH;
+
+	/* DMA settings */
+	if (word_length_16b)
+		audio_dma.transfer_size = 0x10;
+	else
+		audio_dma.transfer_size = 0x20;
+	audio_dma.block_size = 0xC0;
+	audio_dma.mode = HDMI_AUDIO_TRANSF_DMA;
+	audio_dma.fifo_threshold = 0x20; /* in number of samples */
+
+	/* audio FIFO format settings for 16-bit samples*/
+	audio_format.samples_per_word = HDMI_AUDIO_ONEWORD_TWOSAMPLES;
+	audio_format.sample_size = HDMI_AUDIO_SAMPLE_16BITS;
+	audio_format.justification = HDMI_AUDIO_JUSTIFY_LEFT;
+	audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
+
+	/* only LPCM atm */
+	audio_format.type = HDMI_AUDIO_TYPE_LPCM;
+
+	/* only allowed option */
+	audio_format.sample_order = HDMI_AUDIO_SAMPLE_LEFT_FIRST;
+
+	/* disable start/stop signals of IEC 60958 blocks */
+	audio_format.en_sig_blk_strt_end = HDMI_AUDIO_BLOCK_SIG_STARTEND_ON;
+
+	/* configure DMA and audio FIFO format*/
+	hdmi_wp_audio_config_dma(wp, &audio_dma);
+	hdmi_wp_audio_config_format(wp, &audio_format);
+
+	/* configure the core */
+	hdmi5_core_audio_config(core, &core_cfg);
+
+	/* configure CEA 861 audio infoframe */
+	hdmi5_core_audio_infoframe_cfg(core, audio->cea);
+
+	return 0;
+}
+
+int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
+{
+	core->base = devm_platform_ioremap_resource_byname(pdev, "core");
+	if (IS_ERR(core->base)) {
+		DSSERR("can't ioremap HDMI core\n");
+		return PTR_ERR(core->base);
+	}
+
+	return 0;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.h b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.h
new file mode 100644
index 000000000..192c9b6e2
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.h
@@ -0,0 +1,293 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * HDMI driver definition for TI OMAP5 processors.
+ *
+ * Copyright (C) 2011-2012 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#ifndef _HDMI5_CORE_H_
+#define _HDMI5_CORE_H_
+
+#include "hdmi.h"
+
+/* HDMI IP Core System */
+
+/* HDMI Identification */
+#define HDMI_CORE_DESIGN_ID			0x00000
+#define HDMI_CORE_REVISION_ID			0x00004
+#define HDMI_CORE_PRODUCT_ID0			0x00008
+#define HDMI_CORE_PRODUCT_ID1			0x0000C
+#define HDMI_CORE_CONFIG0_ID			0x00010
+#define HDMI_CORE_CONFIG1_ID			0x00014
+#define HDMI_CORE_CONFIG2_ID			0x00018
+#define HDMI_CORE_CONFIG3_ID			0x0001C
+
+/* HDMI Interrupt */
+#define HDMI_CORE_IH_FC_STAT0			0x00400
+#define HDMI_CORE_IH_FC_STAT1			0x00404
+#define HDMI_CORE_IH_FC_STAT2			0x00408
+#define HDMI_CORE_IH_AS_STAT0			0x0040C
+#define HDMI_CORE_IH_PHY_STAT0			0x00410
+#define HDMI_CORE_IH_I2CM_STAT0			0x00414
+#define HDMI_CORE_IH_CEC_STAT0			0x00418
+#define HDMI_CORE_IH_VP_STAT0			0x0041C
+#define HDMI_CORE_IH_I2CMPHY_STAT0		0x00420
+#define HDMI_CORE_IH_MUTE			0x007FC
+
+/* HDMI Video Sampler */
+#define HDMI_CORE_TX_INVID0			0x00800
+#define HDMI_CORE_TX_INSTUFFING			0x00804
+#define HDMI_CORE_TX_RGYDATA0			0x00808
+#define HDMI_CORE_TX_RGYDATA1			0x0080C
+#define HDMI_CORE_TX_RCRDATA0			0x00810
+#define HDMI_CORE_TX_RCRDATA1			0x00814
+#define HDMI_CORE_TX_BCBDATA0			0x00818
+#define HDMI_CORE_TX_BCBDATA1			0x0081C
+
+/* HDMI Video Packetizer */
+#define HDMI_CORE_VP_STATUS			0x02000
+#define HDMI_CORE_VP_PR_CD			0x02004
+#define HDMI_CORE_VP_STUFF			0x02008
+#define HDMI_CORE_VP_REMAP			0x0200C
+#define HDMI_CORE_VP_CONF			0x02010
+#define HDMI_CORE_VP_STAT			0x02014
+#define HDMI_CORE_VP_INT			0x02018
+#define HDMI_CORE_VP_MASK			0x0201C
+#define HDMI_CORE_VP_POL			0x02020
+
+/* Frame Composer */
+#define HDMI_CORE_FC_INVIDCONF			0x04000
+#define HDMI_CORE_FC_INHACTIV0			0x04004
+#define HDMI_CORE_FC_INHACTIV1			0x04008
+#define HDMI_CORE_FC_INHBLANK0			0x0400C
+#define HDMI_CORE_FC_INHBLANK1			0x04010
+#define HDMI_CORE_FC_INVACTIV0			0x04014
+#define HDMI_CORE_FC_INVACTIV1			0x04018
+#define HDMI_CORE_FC_INVBLANK			0x0401C
+#define HDMI_CORE_FC_HSYNCINDELAY0		0x04020
+#define HDMI_CORE_FC_HSYNCINDELAY1		0x04024
+#define HDMI_CORE_FC_HSYNCINWIDTH0		0x04028
+#define HDMI_CORE_FC_HSYNCINWIDTH1		0x0402C
+#define HDMI_CORE_FC_VSYNCINDELAY		0x04030
+#define HDMI_CORE_FC_VSYNCINWIDTH		0x04034
+#define HDMI_CORE_FC_INFREQ0			0x04038
+#define HDMI_CORE_FC_INFREQ1			0x0403C
+#define HDMI_CORE_FC_INFREQ2			0x04040
+#define HDMI_CORE_FC_CTRLDUR			0x04044
+#define HDMI_CORE_FC_EXCTRLDUR			0x04048
+#define HDMI_CORE_FC_EXCTRLSPAC			0x0404C
+#define HDMI_CORE_FC_CH0PREAM			0x04050
+#define HDMI_CORE_FC_CH1PREAM			0x04054
+#define HDMI_CORE_FC_CH2PREAM			0x04058
+#define HDMI_CORE_FC_AVICONF3			0x0405C
+#define HDMI_CORE_FC_GCP			0x04060
+#define HDMI_CORE_FC_AVICONF0			0x04064
+#define HDMI_CORE_FC_AVICONF1			0x04068
+#define HDMI_CORE_FC_AVICONF2			0x0406C
+#define HDMI_CORE_FC_AVIVID			0x04070
+#define HDMI_CORE_FC_AVIETB0			0x04074
+#define HDMI_CORE_FC_AVIETB1			0x04078
+#define HDMI_CORE_FC_AVISBB0			0x0407C
+#define HDMI_CORE_FC_AVISBB1			0x04080
+#define HDMI_CORE_FC_AVIELB0			0x04084
+#define HDMI_CORE_FC_AVIELB1			0x04088
+#define HDMI_CORE_FC_AVISRB0			0x0408C
+#define HDMI_CORE_FC_AVISRB1			0x04090
+#define HDMI_CORE_FC_AUDICONF0			0x04094
+#define HDMI_CORE_FC_AUDICONF1			0x04098
+#define HDMI_CORE_FC_AUDICONF2			0x0409C
+#define HDMI_CORE_FC_AUDICONF3			0x040A0
+#define HDMI_CORE_FC_VSDIEEEID0			0x040A4
+#define HDMI_CORE_FC_VSDSIZE			0x040A8
+#define HDMI_CORE_FC_VSDIEEEID1			0x040C0
+#define HDMI_CORE_FC_VSDIEEEID2			0x040C4
+#define HDMI_CORE_FC_VSDPAYLOAD(n)		(n * 4 + 0x040C8)
+#define HDMI_CORE_FC_SPDVENDORNAME(n)		(n * 4 + 0x04128)
+#define HDMI_CORE_FC_SPDPRODUCTNAME(n)		(n * 4 + 0x04148)
+#define HDMI_CORE_FC_SPDDEVICEINF		0x04188
+#define HDMI_CORE_FC_AUDSCONF			0x0418C
+#define HDMI_CORE_FC_AUDSSTAT			0x04190
+#define HDMI_CORE_FC_AUDSV			0x04194
+#define HDMI_CORE_FC_AUDSU			0x04198
+#define HDMI_CORE_FC_AUDSCHNLS(n)		(n * 4 + 0x0419C)
+#define HDMI_CORE_FC_CTRLQHIGH			0x041CC
+#define HDMI_CORE_FC_CTRLQLOW			0x041D0
+#define HDMI_CORE_FC_ACP0			0x041D4
+#define HDMI_CORE_FC_ACP(n)			((16-n) * 4 + 0x04208)
+#define HDMI_CORE_FC_ISCR1_0			0x04248
+#define HDMI_CORE_FC_ISCR1(n)			((16-n) * 4 + 0x0424C)
+#define HDMI_CORE_FC_ISCR2(n)			((15-n) * 4 + 0x0428C)
+#define HDMI_CORE_FC_DATAUTO0			0x042CC
+#define HDMI_CORE_FC_DATAUTO1			0x042D0
+#define HDMI_CORE_FC_DATAUTO2			0x042D4
+#define HDMI_CORE_FC_DATMAN			0x042D8
+#define HDMI_CORE_FC_DATAUTO3			0x042DC
+#define HDMI_CORE_FC_RDRB(n)			(n * 4 + 0x042E0)
+#define HDMI_CORE_FC_STAT0			0x04340
+#define HDMI_CORE_FC_INT0			0x04344
+#define HDMI_CORE_FC_MASK0			0x04348
+#define HDMI_CORE_FC_POL0			0x0434C
+#define HDMI_CORE_FC_STAT1			0x04350
+#define HDMI_CORE_FC_INT1			0x04354
+#define HDMI_CORE_FC_MASK1			0x04358
+#define HDMI_CORE_FC_POL1			0x0435C
+#define HDMI_CORE_FC_STAT2			0x04360
+#define HDMI_CORE_FC_INT2			0x04364
+#define HDMI_CORE_FC_MASK2			0x04368
+#define HDMI_CORE_FC_POL2			0x0436C
+#define HDMI_CORE_FC_PRCONF			0x04380
+#define HDMI_CORE_FC_GMD_STAT			0x04400
+#define HDMI_CORE_FC_GMD_EN			0x04404
+#define HDMI_CORE_FC_GMD_UP			0x04408
+#define HDMI_CORE_FC_GMD_CONF			0x0440C
+#define HDMI_CORE_FC_GMD_HB			0x04410
+#define HDMI_CORE_FC_GMD_PB(n)			(n * 4 + 0x04414)
+#define HDMI_CORE_FC_DBGFORCE			0x04800
+#define HDMI_CORE_FC_DBGAUD0CH0			0x04804
+#define HDMI_CORE_FC_DBGAUD1CH0			0x04808
+#define HDMI_CORE_FC_DBGAUD2CH0			0x0480C
+#define HDMI_CORE_FC_DBGAUD0CH1			0x04810
+#define HDMI_CORE_FC_DBGAUD1CH1			0x04814
+#define HDMI_CORE_FC_DBGAUD2CH1			0x04818
+#define HDMI_CORE_FC_DBGAUD0CH2			0x0481C
+#define HDMI_CORE_FC_DBGAUD1CH2			0x04820
+#define HDMI_CORE_FC_DBGAUD2CH2			0x04824
+#define HDMI_CORE_FC_DBGAUD0CH3			0x04828
+#define HDMI_CORE_FC_DBGAUD1CH3			0x0482C
+#define HDMI_CORE_FC_DBGAUD2CH3			0x04830
+#define HDMI_CORE_FC_DBGAUD0CH4			0x04834
+#define HDMI_CORE_FC_DBGAUD1CH4			0x04838
+#define HDMI_CORE_FC_DBGAUD2CH4			0x0483C
+#define HDMI_CORE_FC_DBGAUD0CH5			0x04840
+#define HDMI_CORE_FC_DBGAUD1CH5			0x04844
+#define HDMI_CORE_FC_DBGAUD2CH5			0x04848
+#define HDMI_CORE_FC_DBGAUD0CH6			0x0484C
+#define HDMI_CORE_FC_DBGAUD1CH6			0x04850
+#define HDMI_CORE_FC_DBGAUD2CH6			0x04854
+#define HDMI_CORE_FC_DBGAUD0CH7			0x04858
+#define HDMI_CORE_FC_DBGAUD1CH7			0x0485C
+#define HDMI_CORE_FC_DBGAUD2CH7			0x04860
+#define HDMI_CORE_FC_DBGTMDS0			0x04864
+#define HDMI_CORE_FC_DBGTMDS1			0x04868
+#define HDMI_CORE_FC_DBGTMDS2			0x0486C
+#define HDMI_CORE_PHY_MASK0			0x0C018
+#define HDMI_CORE_PHY_I2CM_INT_ADDR		0x0C09C
+#define HDMI_CORE_PHY_I2CM_CTLINT_ADDR		0x0C0A0
+
+/* HDMI Audio */
+#define HDMI_CORE_AUD_CONF0			0x0C400
+#define HDMI_CORE_AUD_CONF1			0x0C404
+#define HDMI_CORE_AUD_INT			0x0C408
+#define HDMI_CORE_AUD_N1			0x0C800
+#define HDMI_CORE_AUD_N2			0x0C804
+#define HDMI_CORE_AUD_N3			0x0C808
+#define HDMI_CORE_AUD_CTS1			0x0C80C
+#define HDMI_CORE_AUD_CTS2			0x0C810
+#define HDMI_CORE_AUD_CTS3			0x0C814
+#define HDMI_CORE_AUD_INCLKFS			0x0C818
+#define HDMI_CORE_AUD_CC08			0x0CC08
+#define HDMI_CORE_AUD_GP_CONF0			0x0D400
+#define HDMI_CORE_AUD_GP_CONF1			0x0D404
+#define HDMI_CORE_AUD_GP_CONF2			0x0D408
+#define HDMI_CORE_AUD_D010			0x0D010
+#define HDMI_CORE_AUD_GP_STAT			0x0D40C
+#define HDMI_CORE_AUD_GP_INT			0x0D410
+#define HDMI_CORE_AUD_GP_POL			0x0D414
+#define HDMI_CORE_AUD_GP_MASK			0x0D418
+
+/* HDMI Main Controller */
+#define HDMI_CORE_MC_CLKDIS			0x10004
+#define HDMI_CORE_MC_SWRSTZREQ			0x10008
+#define HDMI_CORE_MC_FLOWCTRL			0x10010
+#define HDMI_CORE_MC_PHYRSTZ			0x10014
+#define HDMI_CORE_MC_LOCKONCLOCK		0x10018
+
+/* HDMI COLOR SPACE CONVERTER */
+#define HDMI_CORE_CSC_CFG			0x10400
+#define HDMI_CORE_CSC_SCALE			0x10404
+#define HDMI_CORE_CSC_COEF_A1_MSB		0x10408
+#define HDMI_CORE_CSC_COEF_A1_LSB		0x1040C
+#define HDMI_CORE_CSC_COEF_A2_MSB		0x10410
+#define HDMI_CORE_CSC_COEF_A2_LSB		0x10414
+#define HDMI_CORE_CSC_COEF_A3_MSB		0x10418
+#define HDMI_CORE_CSC_COEF_A3_LSB		0x1041C
+#define HDMI_CORE_CSC_COEF_A4_MSB		0x10420
+#define HDMI_CORE_CSC_COEF_A4_LSB		0x10424
+#define HDMI_CORE_CSC_COEF_B1_MSB		0x10428
+#define HDMI_CORE_CSC_COEF_B1_LSB		0x1042C
+#define HDMI_CORE_CSC_COEF_B2_MSB		0x10430
+#define HDMI_CORE_CSC_COEF_B2_LSB		0x10434
+#define HDMI_CORE_CSC_COEF_B3_MSB		0x10438
+#define HDMI_CORE_CSC_COEF_B3_LSB		0x1043C
+#define HDMI_CORE_CSC_COEF_B4_MSB		0x10440
+#define HDMI_CORE_CSC_COEF_B4_LSB		0x10444
+#define HDMI_CORE_CSC_COEF_C1_MSB		0x10448
+#define HDMI_CORE_CSC_COEF_C1_LSB		0x1044C
+#define HDMI_CORE_CSC_COEF_C2_MSB		0x10450
+#define HDMI_CORE_CSC_COEF_C2_LSB		0x10454
+#define HDMI_CORE_CSC_COEF_C3_MSB		0x10458
+#define HDMI_CORE_CSC_COEF_C3_LSB		0x1045C
+#define HDMI_CORE_CSC_COEF_C4_MSB		0x10460
+#define HDMI_CORE_CSC_COEF_C4_LSB		0x10464
+
+/* HDMI HDCP */
+#define HDMI_CORE_HDCP_MASK			0x14020
+
+/* HDMI CEC */
+#define HDMI_CORE_CEC_MASK			0x17408
+
+/* HDMI I2C Master */
+#define HDMI_CORE_I2CM_SLAVE			0x157C8
+#define HDMI_CORE_I2CM_ADDRESS			0x157CC
+#define HDMI_CORE_I2CM_DATAO			0x157D0
+#define HDMI_CORE_I2CM_DATAI			0X157D4
+#define HDMI_CORE_I2CM_OPERATION		0x157D8
+#define HDMI_CORE_I2CM_INT			0x157DC
+#define HDMI_CORE_I2CM_CTLINT			0x157E0
+#define HDMI_CORE_I2CM_DIV			0x157E4
+#define HDMI_CORE_I2CM_SEGADDR			0x157E8
+#define HDMI_CORE_I2CM_SOFTRSTZ			0x157EC
+#define HDMI_CORE_I2CM_SEGPTR			0x157F0
+#define HDMI_CORE_I2CM_SS_SCL_HCNT_1_ADDR	0x157F4
+#define HDMI_CORE_I2CM_SS_SCL_HCNT_0_ADDR	0x157F8
+#define HDMI_CORE_I2CM_SS_SCL_LCNT_1_ADDR	0x157FC
+#define HDMI_CORE_I2CM_SS_SCL_LCNT_0_ADDR	0x15800
+#define HDMI_CORE_I2CM_FS_SCL_HCNT_1_ADDR	0x15804
+#define HDMI_CORE_I2CM_FS_SCL_HCNT_0_ADDR	0x15808
+#define HDMI_CORE_I2CM_FS_SCL_LCNT_1_ADDR	0x1580C
+#define HDMI_CORE_I2CM_FS_SCL_LCNT_0_ADDR	0x15810
+#define HDMI_CORE_I2CM_SDA_HOLD_ADDR		0x15814
+
+enum hdmi_core_packet_mode {
+	HDMI_PACKETMODERESERVEDVALUE = 0,
+	HDMI_PACKETMODE24BITPERPIXEL = 4,
+	HDMI_PACKETMODE30BITPERPIXEL = 5,
+	HDMI_PACKETMODE36BITPERPIXEL = 6,
+	HDMI_PACKETMODE48BITPERPIXEL = 7,
+};
+
+struct hdmi_core_vid_config {
+	struct hdmi_config v_fc_config;
+	enum hdmi_core_packet_mode packet_mode;
+	int data_enable_pol;
+	int vblank_osc;
+	int hblank;
+	int vblank;
+};
+
+struct csc_table {
+	u16 a1, a2, a3, a4;
+	u16 b1, b2, b3, b4;
+	u16 c1, c2, c3, c4;
+};
+
+int hdmi5_read_edid(struct hdmi_core_data *core, u8 *edid, int len);
+void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s);
+int hdmi5_core_handle_irqs(struct hdmi_core_data *core);
+void hdmi5_configure(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
+			struct hdmi_config *cfg);
+int hdmi5_core_init(struct platform_device *pdev, struct hdmi_core_data *core);
+
+int hdmi5_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
+			struct omap_dss_audio *audio, u32 pclk);
+#endif
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c
new file mode 100644
index 000000000..f13d76398
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define DSS_SUBSYS_NAME "HDMI"
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <video/omapfb_dss.h>
+
+#include "hdmi.h"
+
+int hdmi_parse_lanes_of(struct platform_device *pdev, struct device_node *ep,
+	struct hdmi_phy_data *phy)
+{
+	struct property *prop;
+	int r, len;
+
+	prop = of_find_property(ep, "lanes", &len);
+	if (prop) {
+		u32 lanes[8];
+
+		if (len / sizeof(u32) != ARRAY_SIZE(lanes)) {
+			dev_err(&pdev->dev, "bad number of lanes\n");
+			return -EINVAL;
+		}
+
+		r = of_property_read_u32_array(ep, "lanes", lanes,
+			ARRAY_SIZE(lanes));
+		if (r) {
+			dev_err(&pdev->dev, "failed to read lane data\n");
+			return r;
+		}
+
+		r = hdmi_phy_parse_lanes(phy, lanes);
+		if (r) {
+			dev_err(&pdev->dev, "failed to parse lane data\n");
+			return r;
+		}
+	} else {
+		static const u32 default_lanes[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
+
+		r = hdmi_phy_parse_lanes(phy, default_lanes);
+		if (WARN_ON(r)) {
+			dev_err(&pdev->dev, "failed to parse lane data\n");
+			return r;
+		}
+	}
+
+	return 0;
+}
+
+int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts)
+{
+	u32 deep_color;
+	bool deep_color_correct = false;
+
+	if (n == NULL || cts == NULL)
+		return -EINVAL;
+
+	/* TODO: When implemented, query deep color mode here. */
+	deep_color = 100;
+
+	/*
+	 * When using deep color, the default N value (as in the HDMI
+	 * specification) yields to an non-integer CTS. Hence, we
+	 * modify it while keeping the restrictions described in
+	 * section 7.2.1 of the HDMI 1.4a specification.
+	 */
+	switch (sample_freq) {
+	case 32000:
+	case 48000:
+	case 96000:
+	case 192000:
+		if (deep_color == 125)
+			if (pclk == 27027000 || pclk == 74250000)
+				deep_color_correct = true;
+		if (deep_color == 150)
+			if (pclk == 27027000)
+				deep_color_correct = true;
+		break;
+	case 44100:
+	case 88200:
+	case 176400:
+		if (deep_color == 125)
+			if (pclk == 27027000)
+				deep_color_correct = true;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (deep_color_correct) {
+		switch (sample_freq) {
+		case 32000:
+			*n = 8192;
+			break;
+		case 44100:
+			*n = 12544;
+			break;
+		case 48000:
+			*n = 8192;
+			break;
+		case 88200:
+			*n = 25088;
+			break;
+		case 96000:
+			*n = 16384;
+			break;
+		case 176400:
+			*n = 50176;
+			break;
+		case 192000:
+			*n = 32768;
+			break;
+		default:
+			return -EINVAL;
+		}
+	} else {
+		switch (sample_freq) {
+		case 32000:
+			*n = 4096;
+			break;
+		case 44100:
+			*n = 6272;
+			break;
+		case 48000:
+			*n = 6144;
+			break;
+		case 88200:
+			*n = 12544;
+			break;
+		case 96000:
+			*n = 12288;
+			break;
+		case 176400:
+			*n = 25088;
+			break;
+		case 192000:
+			*n = 24576;
+			break;
+		default:
+			return -EINVAL;
+		}
+	}
+	/* Calculate CTS. See HDMI 1.3a or 1.4a specifications */
+	*cts = (pclk/1000) * (*n / 128) * deep_color / (sample_freq / 10);
+
+	return 0;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c
new file mode 100644
index 000000000..170463a7e
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c
@@ -0,0 +1,221 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * HDMI PHY
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/seq_file.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "hdmi.h"
+
+struct hdmi_phy_features {
+	bool bist_ctrl;
+	bool ldo_voltage;
+	unsigned long max_phy;
+};
+
+static const struct hdmi_phy_features *phy_feat;
+
+void hdmi_phy_dump(struct hdmi_phy_data *phy, struct seq_file *s)
+{
+#define DUMPPHY(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(phy->base, r))
+
+	DUMPPHY(HDMI_TXPHY_TX_CTRL);
+	DUMPPHY(HDMI_TXPHY_DIGITAL_CTRL);
+	DUMPPHY(HDMI_TXPHY_POWER_CTRL);
+	DUMPPHY(HDMI_TXPHY_PAD_CFG_CTRL);
+	if (phy_feat->bist_ctrl)
+		DUMPPHY(HDMI_TXPHY_BIST_CONTROL);
+}
+
+int hdmi_phy_parse_lanes(struct hdmi_phy_data *phy, const u32 *lanes)
+{
+	int i;
+
+	for (i = 0; i < 8; i += 2) {
+		u8 lane, pol;
+		int dx, dy;
+
+		dx = lanes[i];
+		dy = lanes[i + 1];
+
+		if (dx < 0 || dx >= 8)
+			return -EINVAL;
+
+		if (dy < 0 || dy >= 8)
+			return -EINVAL;
+
+		if (dx & 1) {
+			if (dy != dx - 1)
+				return -EINVAL;
+			pol = 1;
+		} else {
+			if (dy != dx + 1)
+				return -EINVAL;
+			pol = 0;
+		}
+
+		lane = dx / 2;
+
+		phy->lane_function[lane] = i / 2;
+		phy->lane_polarity[lane] = pol;
+	}
+
+	return 0;
+}
+
+static void hdmi_phy_configure_lanes(struct hdmi_phy_data *phy)
+{
+	static const u16 pad_cfg_list[] = {
+		0x0123,
+		0x0132,
+		0x0312,
+		0x0321,
+		0x0231,
+		0x0213,
+		0x1023,
+		0x1032,
+		0x3012,
+		0x3021,
+		0x2031,
+		0x2013,
+		0x1203,
+		0x1302,
+		0x3102,
+		0x3201,
+		0x2301,
+		0x2103,
+		0x1230,
+		0x1320,
+		0x3120,
+		0x3210,
+		0x2310,
+		0x2130,
+	};
+
+	u16 lane_cfg = 0;
+	int i;
+	unsigned lane_cfg_val;
+	u16 pol_val = 0;
+
+	for (i = 0; i < 4; ++i)
+		lane_cfg |= phy->lane_function[i] << ((3 - i) * 4);
+
+	pol_val |= phy->lane_polarity[0] << 0;
+	pol_val |= phy->lane_polarity[1] << 3;
+	pol_val |= phy->lane_polarity[2] << 2;
+	pol_val |= phy->lane_polarity[3] << 1;
+
+	for (i = 0; i < ARRAY_SIZE(pad_cfg_list); ++i)
+		if (pad_cfg_list[i] == lane_cfg)
+			break;
+
+	if (WARN_ON(i == ARRAY_SIZE(pad_cfg_list)))
+		i = 0;
+
+	lane_cfg_val = i;
+
+	REG_FLD_MOD(phy->base, HDMI_TXPHY_PAD_CFG_CTRL, lane_cfg_val, 26, 22);
+	REG_FLD_MOD(phy->base, HDMI_TXPHY_PAD_CFG_CTRL, pol_val, 30, 27);
+}
+
+int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk,
+	unsigned long lfbitclk)
+{
+	u8 freqout;
+
+	/*
+	 * Read address 0 in order to get the SCP reset done completed
+	 * Dummy access performed to make sure reset is done
+	 */
+	hdmi_read_reg(phy->base, HDMI_TXPHY_TX_CTRL);
+
+	/*
+	 * In OMAP5+, the HFBITCLK must be divided by 2 before issuing the
+	 * HDMI_PHYPWRCMD_LDOON command.
+	 */
+	if (phy_feat->bist_ctrl)
+		REG_FLD_MOD(phy->base, HDMI_TXPHY_BIST_CONTROL, 1, 11, 11);
+
+	/*
+	 * If the hfbitclk != lfbitclk, it means the lfbitclk was configured
+	 * to be used for TMDS.
+	 */
+	if (hfbitclk != lfbitclk)
+		freqout = 0;
+	else if (hfbitclk / 10 < phy_feat->max_phy)
+		freqout = 1;
+	else
+		freqout = 2;
+
+	/*
+	 * Write to phy address 0 to configure the clock
+	 * use HFBITCLK write HDMI_TXPHY_TX_CONTROL_FREQOUT field
+	 */
+	REG_FLD_MOD(phy->base, HDMI_TXPHY_TX_CTRL, freqout, 31, 30);
+
+	/* Write to phy address 1 to start HDMI line (TXVALID and TMDSCLKEN) */
+	hdmi_write_reg(phy->base, HDMI_TXPHY_DIGITAL_CTRL, 0xF0000000);
+
+	/* Setup max LDO voltage */
+	if (phy_feat->ldo_voltage)
+		REG_FLD_MOD(phy->base, HDMI_TXPHY_POWER_CTRL, 0xB, 3, 0);
+
+	hdmi_phy_configure_lanes(phy);
+
+	return 0;
+}
+
+static const struct hdmi_phy_features omap44xx_phy_feats = {
+	.bist_ctrl	=	false,
+	.ldo_voltage	=	true,
+	.max_phy	=	185675000,
+};
+
+static const struct hdmi_phy_features omap54xx_phy_feats = {
+	.bist_ctrl	=	true,
+	.ldo_voltage	=	false,
+	.max_phy	=	186000000,
+};
+
+static const struct hdmi_phy_features *hdmi_phy_get_features(void)
+{
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		return &omap44xx_phy_feats;
+
+	case OMAPDSS_VER_OMAP5:
+	case OMAPDSS_VER_DRA7xx:
+		return &omap54xx_phy_feats;
+
+	default:
+		return NULL;
+	}
+}
+
+int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy)
+{
+	phy_feat = hdmi_phy_get_features();
+	if (!phy_feat)
+		return -ENODEV;
+
+	phy->base = devm_platform_ioremap_resource_byname(pdev, "phy");
+	if (IS_ERR(phy->base)) {
+		DSSERR("can't ioremap TX PHY\n");
+		return PTR_ERR(phy->base);
+	}
+
+	return 0;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c
new file mode 100644
index 000000000..531b36d22
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * HDMI PLL
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated
+ */
+
+#define DSS_SUBSYS_NAME "HDMIPLL"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/seq_file.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "hdmi.h"
+
+void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s)
+{
+#define DUMPPLL(r) seq_printf(s, "%-35s %08x\n", #r,\
+		hdmi_read_reg(pll->base, r))
+
+	DUMPPLL(PLLCTRL_PLL_CONTROL);
+	DUMPPLL(PLLCTRL_PLL_STATUS);
+	DUMPPLL(PLLCTRL_PLL_GO);
+	DUMPPLL(PLLCTRL_CFG1);
+	DUMPPLL(PLLCTRL_CFG2);
+	DUMPPLL(PLLCTRL_CFG3);
+	DUMPPLL(PLLCTRL_SSC_CFG1);
+	DUMPPLL(PLLCTRL_SSC_CFG2);
+	DUMPPLL(PLLCTRL_CFG4);
+}
+
+void hdmi_pll_compute(struct hdmi_pll_data *pll,
+	unsigned long target_tmds, struct dss_pll_clock_info *pi)
+{
+	unsigned long fint, clkdco, clkout;
+	unsigned long target_bitclk, target_clkdco;
+	unsigned long min_dco;
+	unsigned n, m, mf, m2, sd;
+	unsigned long clkin;
+	const struct dss_pll_hw *hw = pll->pll.hw;
+
+	clkin = clk_get_rate(pll->pll.clkin);
+
+	DSSDBG("clkin %lu, target tmds %lu\n", clkin, target_tmds);
+
+	target_bitclk = target_tmds * 10;
+
+	/* Fint */
+	n = DIV_ROUND_UP(clkin, hw->fint_max);
+	fint = clkin / n;
+
+	/* adjust m2 so that the clkdco will be high enough */
+	min_dco = roundup(hw->clkdco_min, fint);
+	m2 = DIV_ROUND_UP(min_dco, target_bitclk);
+	if (m2 == 0)
+		m2 = 1;
+
+	target_clkdco = target_bitclk * m2;
+	m = target_clkdco / fint;
+
+	clkdco = fint * m;
+
+	/* adjust clkdco with fractional mf */
+	if (WARN_ON(target_clkdco - clkdco > fint))
+		mf = 0;
+	else
+		mf = (u32)div_u64(262144ull * (target_clkdco - clkdco), fint);
+
+	if (mf > 0)
+		clkdco += (u32)div_u64((u64)mf * fint, 262144);
+
+	clkout = clkdco / m2;
+
+	/* sigma-delta */
+	sd = DIV_ROUND_UP(fint * m, 250000000);
+
+	DSSDBG("N = %u, M = %u, M.f = %u, M2 = %u, SD = %u\n",
+		n, m, mf, m2, sd);
+	DSSDBG("Fint %lu, clkdco %lu, clkout %lu\n", fint, clkdco, clkout);
+
+	pi->n = n;
+	pi->m = m;
+	pi->mf = mf;
+	pi->mX[0] = m2;
+	pi->sd = sd;
+
+	pi->fint = fint;
+	pi->clkdco = clkdco;
+	pi->clkout[0] = clkout;
+}
+
+static int hdmi_pll_enable(struct dss_pll *dsspll)
+{
+	struct hdmi_pll_data *pll = container_of(dsspll, struct hdmi_pll_data, pll);
+	struct hdmi_wp_data *wp = pll->wp;
+
+	dss_ctrl_pll_enable(DSS_PLL_HDMI, true);
+
+	return hdmi_wp_set_pll_pwr(wp, HDMI_PLLPWRCMD_BOTHON_ALLCLKS);
+}
+
+static void hdmi_pll_disable(struct dss_pll *dsspll)
+{
+	struct hdmi_pll_data *pll = container_of(dsspll, struct hdmi_pll_data, pll);
+	struct hdmi_wp_data *wp = pll->wp;
+
+	hdmi_wp_set_pll_pwr(wp, HDMI_PLLPWRCMD_ALLOFF);
+
+	dss_ctrl_pll_enable(DSS_PLL_HDMI, false);
+}
+
+static const struct dss_pll_ops dsi_pll_ops = {
+	.enable = hdmi_pll_enable,
+	.disable = hdmi_pll_disable,
+	.set_config = dss_pll_write_config_type_b,
+};
+
+static const struct dss_pll_hw dss_omap4_hdmi_pll_hw = {
+	.n_max = 255,
+	.m_min = 20,
+	.m_max = 4095,
+	.mX_max = 127,
+	.fint_min = 500000,
+	.fint_max = 2500000,
+
+	.clkdco_min = 500000000,
+	.clkdco_low = 1000000000,
+	.clkdco_max = 2000000000,
+
+	.n_msb = 8,
+	.n_lsb = 1,
+	.m_msb = 20,
+	.m_lsb = 9,
+
+	.mX_msb[0] = 24,
+	.mX_lsb[0] = 18,
+
+	.has_selfreqdco = true,
+};
+
+static const struct dss_pll_hw dss_omap5_hdmi_pll_hw = {
+	.n_max = 255,
+	.m_min = 20,
+	.m_max = 2045,
+	.mX_max = 127,
+	.fint_min = 620000,
+	.fint_max = 2500000,
+
+	.clkdco_min = 750000000,
+	.clkdco_low = 1500000000,
+	.clkdco_max = 2500000000UL,
+
+	.n_msb = 8,
+	.n_lsb = 1,
+	.m_msb = 20,
+	.m_lsb = 9,
+
+	.mX_msb[0] = 24,
+	.mX_lsb[0] = 18,
+
+	.has_selfreqdco = true,
+	.has_refsel = true,
+};
+
+static int dsi_init_pll_data(struct platform_device *pdev, struct hdmi_pll_data *hpll)
+{
+	struct dss_pll *pll = &hpll->pll;
+	struct clk *clk;
+
+	clk = devm_clk_get(&pdev->dev, "sys_clk");
+	if (IS_ERR(clk)) {
+		DSSERR("can't get sys_clk\n");
+		return PTR_ERR(clk);
+	}
+
+	pll->name = "hdmi";
+	pll->id = DSS_PLL_HDMI;
+	pll->base = hpll->base;
+	pll->clkin = clk;
+
+	switch (omapdss_get_version()) {
+	case OMAPDSS_VER_OMAP4430_ES1:
+	case OMAPDSS_VER_OMAP4430_ES2:
+	case OMAPDSS_VER_OMAP4:
+		pll->hw = &dss_omap4_hdmi_pll_hw;
+		break;
+
+	case OMAPDSS_VER_OMAP5:
+	case OMAPDSS_VER_DRA7xx:
+		pll->hw = &dss_omap5_hdmi_pll_hw;
+		break;
+
+	default:
+		return -ENODEV;
+	}
+
+	pll->ops = &dsi_pll_ops;
+	return dss_pll_register(pll);
+}
+
+int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll,
+	struct hdmi_wp_data *wp)
+{
+	int r;
+
+	pll->wp = wp;
+
+	pll->base = devm_platform_ioremap_resource_byname(pdev, "pll");
+	if (IS_ERR(pll->base)) {
+		DSSERR("can't ioremap PLLCTRL\n");
+		return PTR_ERR(pll->base);
+	}
+
+	r = dsi_init_pll_data(pdev, pll);
+	if (r) {
+		DSSERR("failed to init HDMI PLL\n");
+		return r;
+	}
+
+	return 0;
+}
+
+void hdmi_pll_uninit(struct hdmi_pll_data *hpll)
+{
+	struct dss_pll *pll = &hpll->pll;
+
+	dss_pll_unregister(pll);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_wp.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_wp.c
new file mode 100644
index 000000000..41ad52b9d
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_wp.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * HDMI wrapper
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated
+ */
+
+#define DSS_SUBSYS_NAME "HDMIWP"
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "hdmi.h"
+
+void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, hdmi_read_reg(wp->base, r))
+
+	DUMPREG(HDMI_WP_REVISION);
+	DUMPREG(HDMI_WP_SYSCONFIG);
+	DUMPREG(HDMI_WP_IRQSTATUS_RAW);
+	DUMPREG(HDMI_WP_IRQSTATUS);
+	DUMPREG(HDMI_WP_IRQENABLE_SET);
+	DUMPREG(HDMI_WP_IRQENABLE_CLR);
+	DUMPREG(HDMI_WP_IRQWAKEEN);
+	DUMPREG(HDMI_WP_PWR_CTRL);
+	DUMPREG(HDMI_WP_DEBOUNCE);
+	DUMPREG(HDMI_WP_VIDEO_CFG);
+	DUMPREG(HDMI_WP_VIDEO_SIZE);
+	DUMPREG(HDMI_WP_VIDEO_TIMING_H);
+	DUMPREG(HDMI_WP_VIDEO_TIMING_V);
+	DUMPREG(HDMI_WP_CLK);
+	DUMPREG(HDMI_WP_AUDIO_CFG);
+	DUMPREG(HDMI_WP_AUDIO_CFG2);
+	DUMPREG(HDMI_WP_AUDIO_CTRL);
+	DUMPREG(HDMI_WP_AUDIO_DATA);
+}
+
+u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp)
+{
+	return hdmi_read_reg(wp->base, HDMI_WP_IRQSTATUS);
+}
+
+void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus)
+{
+	hdmi_write_reg(wp->base, HDMI_WP_IRQSTATUS, irqstatus);
+	/* flush posted write */
+	hdmi_read_reg(wp->base, HDMI_WP_IRQSTATUS);
+}
+
+void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask)
+{
+	hdmi_write_reg(wp->base, HDMI_WP_IRQENABLE_SET, mask);
+}
+
+void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask)
+{
+	hdmi_write_reg(wp->base, HDMI_WP_IRQENABLE_CLR, mask);
+}
+
+/* PHY_PWR_CMD */
+int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val)
+{
+	/* Return if already the state */
+	if (REG_GET(wp->base, HDMI_WP_PWR_CTRL, 5, 4) == val)
+		return 0;
+
+	/* Command for power control of HDMI PHY */
+	REG_FLD_MOD(wp->base, HDMI_WP_PWR_CTRL, val, 7, 6);
+
+	/* Status of the power control of HDMI PHY */
+	if (hdmi_wait_for_bit_change(wp->base, HDMI_WP_PWR_CTRL, 5, 4, val)
+			!= val) {
+		DSSERR("Failed to set PHY power mode to %d\n", val);
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+/* PLL_PWR_CMD */
+int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val)
+{
+	/* Command for power control of HDMI PLL */
+	REG_FLD_MOD(wp->base, HDMI_WP_PWR_CTRL, val, 3, 2);
+
+	/* wait till PHY_PWR_STATUS is set */
+	if (hdmi_wait_for_bit_change(wp->base, HDMI_WP_PWR_CTRL, 1, 0, val)
+			!= val) {
+		DSSERR("Failed to set PLL_PWR_STATUS\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+int hdmi_wp_video_start(struct hdmi_wp_data *wp)
+{
+	REG_FLD_MOD(wp->base, HDMI_WP_VIDEO_CFG, true, 31, 31);
+
+	return 0;
+}
+
+void hdmi_wp_video_stop(struct hdmi_wp_data *wp)
+{
+	int i;
+
+	hdmi_write_reg(wp->base, HDMI_WP_IRQSTATUS, HDMI_IRQ_VIDEO_FRAME_DONE);
+
+	REG_FLD_MOD(wp->base, HDMI_WP_VIDEO_CFG, false, 31, 31);
+
+	for (i = 0; i < 50; ++i) {
+		u32 v;
+
+		msleep(20);
+
+		v = hdmi_read_reg(wp->base, HDMI_WP_IRQSTATUS_RAW);
+		if (v & HDMI_IRQ_VIDEO_FRAME_DONE)
+			return;
+	}
+
+	DSSERR("no HDMI FRAMEDONE when disabling output\n");
+}
+
+void hdmi_wp_video_config_format(struct hdmi_wp_data *wp,
+		struct hdmi_video_format *video_fmt)
+{
+	u32 l = 0;
+
+	REG_FLD_MOD(wp->base, HDMI_WP_VIDEO_CFG, video_fmt->packing_mode,
+		10, 8);
+
+	l |= FLD_VAL(video_fmt->y_res, 31, 16);
+	l |= FLD_VAL(video_fmt->x_res, 15, 0);
+	hdmi_write_reg(wp->base, HDMI_WP_VIDEO_SIZE, l);
+}
+
+void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
+		struct omap_video_timings *timings)
+{
+	u32 r;
+	bool vsync_pol, hsync_pol;
+	DSSDBG("Enter hdmi_wp_video_config_interface\n");
+
+	vsync_pol = timings->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+	hsync_pol = timings->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+
+	r = hdmi_read_reg(wp->base, HDMI_WP_VIDEO_CFG);
+	r = FLD_MOD(r, vsync_pol, 7, 7);
+	r = FLD_MOD(r, hsync_pol, 6, 6);
+	r = FLD_MOD(r, timings->interlace, 3, 3);
+	r = FLD_MOD(r, 1, 1, 0); /* HDMI_TIMING_MASTER_24BIT */
+	hdmi_write_reg(wp->base, HDMI_WP_VIDEO_CFG, r);
+}
+
+void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
+		struct omap_video_timings *timings)
+{
+	u32 timing_h = 0;
+	u32 timing_v = 0;
+
+	DSSDBG("Enter hdmi_wp_video_config_timing\n");
+
+	timing_h |= FLD_VAL(timings->hbp, 31, 20);
+	timing_h |= FLD_VAL(timings->hfp, 19, 8);
+	timing_h |= FLD_VAL(timings->hsw, 7, 0);
+	hdmi_write_reg(wp->base, HDMI_WP_VIDEO_TIMING_H, timing_h);
+
+	timing_v |= FLD_VAL(timings->vbp, 31, 20);
+	timing_v |= FLD_VAL(timings->vfp, 19, 8);
+	timing_v |= FLD_VAL(timings->vsw, 7, 0);
+	hdmi_write_reg(wp->base, HDMI_WP_VIDEO_TIMING_V, timing_v);
+}
+
+void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
+		struct omap_video_timings *timings, struct hdmi_config *param)
+{
+	DSSDBG("Enter hdmi_wp_video_init_format\n");
+
+	video_fmt->packing_mode = HDMI_PACK_10b_RGB_YUV444;
+	video_fmt->y_res = param->timings.y_res;
+	video_fmt->x_res = param->timings.x_res;
+	if (param->timings.interlace)
+		video_fmt->y_res /= 2;
+
+	timings->hbp = param->timings.hbp;
+	timings->hfp = param->timings.hfp;
+	timings->hsw = param->timings.hsw;
+	timings->vbp = param->timings.vbp;
+	timings->vfp = param->timings.vfp;
+	timings->vsw = param->timings.vsw;
+	timings->vsync_level = param->timings.vsync_level;
+	timings->hsync_level = param->timings.hsync_level;
+	timings->interlace = param->timings.interlace;
+}
+
+void hdmi_wp_audio_config_format(struct hdmi_wp_data *wp,
+		struct hdmi_audio_format *aud_fmt)
+{
+	u32 r;
+
+	DSSDBG("Enter hdmi_wp_audio_config_format\n");
+
+	r = hdmi_read_reg(wp->base, HDMI_WP_AUDIO_CFG);
+	if (omapdss_get_version() == OMAPDSS_VER_OMAP4430_ES1 ||
+	    omapdss_get_version() == OMAPDSS_VER_OMAP4430_ES2 ||
+	    omapdss_get_version() == OMAPDSS_VER_OMAP4) {
+		r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24);
+		r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16);
+	}
+	r = FLD_MOD(r, aud_fmt->en_sig_blk_strt_end, 5, 5);
+	r = FLD_MOD(r, aud_fmt->type, 4, 4);
+	r = FLD_MOD(r, aud_fmt->justification, 3, 3);
+	r = FLD_MOD(r, aud_fmt->sample_order, 2, 2);
+	r = FLD_MOD(r, aud_fmt->samples_per_word, 1, 1);
+	r = FLD_MOD(r, aud_fmt->sample_size, 0, 0);
+	hdmi_write_reg(wp->base, HDMI_WP_AUDIO_CFG, r);
+}
+
+void hdmi_wp_audio_config_dma(struct hdmi_wp_data *wp,
+		struct hdmi_audio_dma *aud_dma)
+{
+	u32 r;
+
+	DSSDBG("Enter hdmi_wp_audio_config_dma\n");
+
+	r = hdmi_read_reg(wp->base, HDMI_WP_AUDIO_CFG2);
+	r = FLD_MOD(r, aud_dma->transfer_size, 15, 8);
+	r = FLD_MOD(r, aud_dma->block_size, 7, 0);
+	hdmi_write_reg(wp->base, HDMI_WP_AUDIO_CFG2, r);
+
+	r = hdmi_read_reg(wp->base, HDMI_WP_AUDIO_CTRL);
+	r = FLD_MOD(r, aud_dma->mode, 9, 9);
+	r = FLD_MOD(r, aud_dma->fifo_threshold, 8, 0);
+	hdmi_write_reg(wp->base, HDMI_WP_AUDIO_CTRL, r);
+}
+
+int hdmi_wp_audio_enable(struct hdmi_wp_data *wp, bool enable)
+{
+	REG_FLD_MOD(wp->base, HDMI_WP_AUDIO_CTRL, enable, 31, 31);
+
+	return 0;
+}
+
+int hdmi_wp_audio_core_req_enable(struct hdmi_wp_data *wp, bool enable)
+{
+	REG_FLD_MOD(wp->base, HDMI_WP_AUDIO_CTRL, enable, 30, 30);
+
+	return 0;
+}
+
+int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp)
+{
+	struct resource *res;
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wp");
+	if (!res) {
+		DSSERR("can't get WP mem resource\n");
+		return -EINVAL;
+	}
+	wp->phys_base = res->start;
+
+	wp->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(wp->base)) {
+		DSSERR("can't ioremap HDMI WP\n");
+		return PTR_ERR(wp->base);
+	}
+
+	return 0;
+}
+
+phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp)
+{
+	return wp->phys_base + HDMI_WP_AUDIO_DATA;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
new file mode 100644
index 000000000..ba21c4a26
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
@@ -0,0 +1,515 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "MANAGER"
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf)
+{
+	return sysfs_emit(buf, "%s\n", mgr->name);
+}
+
+static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf)
+{
+	struct omap_dss_device *dssdev = mgr->get_device(mgr);
+
+	return sysfs_emit(buf, "%s\n", dssdev ?
+			dssdev->name : "<none>");
+}
+
+static int manager_display_match(struct omap_dss_device *dssdev, void *data)
+{
+	const char *str = data;
+
+	return sysfs_streq(dssdev->name, str);
+}
+
+static ssize_t manager_display_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	int r = 0;
+	size_t len = size;
+	struct omap_dss_device *dssdev = NULL;
+	struct omap_dss_device *old_dssdev;
+
+	if (buf[size-1] == '\n')
+		--len;
+
+	if (len > 0)
+		dssdev = omap_dss_find_device((void *)buf,
+			manager_display_match);
+
+	if (len > 0 && dssdev == NULL)
+		return -EINVAL;
+
+	if (dssdev) {
+		DSSDBG("display %s found\n", dssdev->name);
+
+		if (omapdss_device_is_connected(dssdev)) {
+			DSSERR("new display is already connected\n");
+			r = -EINVAL;
+			goto put_device;
+		}
+
+		if (omapdss_device_is_enabled(dssdev)) {
+			DSSERR("new display is not disabled\n");
+			r = -EINVAL;
+			goto put_device;
+		}
+	}
+
+	old_dssdev = mgr->get_device(mgr);
+	if (old_dssdev) {
+		if (omapdss_device_is_enabled(old_dssdev)) {
+			DSSERR("old display is not disabled\n");
+			r = -EINVAL;
+			goto put_device;
+		}
+
+		old_dssdev->driver->disconnect(old_dssdev);
+	}
+
+	if (dssdev) {
+		r = dssdev->driver->connect(dssdev);
+		if (r) {
+			DSSERR("failed to connect new device\n");
+			goto put_device;
+		}
+
+		old_dssdev = mgr->get_device(mgr);
+		if (old_dssdev != dssdev) {
+			DSSERR("failed to connect device to this manager\n");
+			dssdev->driver->disconnect(dssdev);
+			goto put_device;
+		}
+
+		r = mgr->apply(mgr);
+		if (r) {
+			DSSERR("failed to apply dispc config\n");
+			goto put_device;
+		}
+	}
+
+put_device:
+	if (dssdev)
+		omap_dss_put_device(dssdev);
+
+	return r ? r : size;
+}
+
+static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
+					  char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return sysfs_emit(buf, "%#x\n", info.default_color);
+}
+
+static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
+					   const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	u32 color;
+	int r;
+
+	r = kstrtouint(buf, 0, &color);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.default_color = color;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static const char *trans_key_type_str[] = {
+	"gfx-destination",
+	"video-source",
+};
+
+static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
+					   char *buf)
+{
+	enum omap_dss_trans_key_type key_type;
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	key_type = info.trans_key_type;
+	BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
+
+	return sysfs_emit(buf, "%s\n", trans_key_type_str[key_type]);
+}
+
+static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
+					    const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	int r;
+
+	r = sysfs_match_string(trans_key_type_str, buf);
+	if (r < 0)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_key_type = r;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
+					    char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return sysfs_emit(buf, "%#x\n", info.trans_key);
+}
+
+static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
+					     const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	u32 key_value;
+	int r;
+
+	r = kstrtouint(buf, 0, &key_value);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_key = key_value;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
+					      char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return sysfs_emit(buf, "%d\n", info.trans_enabled);
+}
+
+static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
+					       const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	bool enable;
+	int r;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.trans_enabled = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_alpha_blending_enabled_show(
+		struct omap_overlay_manager *mgr, char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
+		return -ENODEV;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return sysfs_emit(buf, "%d\n",
+		info.partial_alpha_enabled);
+}
+
+static ssize_t manager_alpha_blending_enabled_store(
+		struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	bool enable;
+	int r;
+
+	if(!dss_has_feature(FEAT_ALPHA_FIXED_ZORDER))
+		return -ENODEV;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.partial_alpha_enabled = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
+		char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return sysfs_emit(buf, "%d\n", info.cpr_enable);
+}
+
+static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	int r;
+	bool enable;
+
+	if (!dss_has_feature(FEAT_CPR))
+		return -ENODEV;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	if (info.cpr_enable == enable)
+		return size;
+
+	info.cpr_enable = enable;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
+		char *buf)
+{
+	struct omap_overlay_manager_info info;
+
+	mgr->get_manager_info(mgr, &info);
+
+	return sysfs_emit(buf,
+			"%d %d %d %d %d %d %d %d %d\n",
+			info.cpr_coefs.rr,
+			info.cpr_coefs.rg,
+			info.cpr_coefs.rb,
+			info.cpr_coefs.gr,
+			info.cpr_coefs.gg,
+			info.cpr_coefs.gb,
+			info.cpr_coefs.br,
+			info.cpr_coefs.bg,
+			info.cpr_coefs.bb);
+}
+
+static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager_info info;
+	struct omap_dss_cpr_coefs coefs;
+	int r, i;
+	s16 *arr;
+
+	if (!dss_has_feature(FEAT_CPR))
+		return -ENODEV;
+
+	if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd",
+				&coefs.rr, &coefs.rg, &coefs.rb,
+				&coefs.gr, &coefs.gg, &coefs.gb,
+				&coefs.br, &coefs.bg, &coefs.bb) != 9)
+		return -EINVAL;
+
+	arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
+		coefs.gr, coefs.gg, coefs.gb,
+		coefs.br, coefs.bg, coefs.bb };
+
+	for (i = 0; i < 9; ++i) {
+		if (arr[i] < -512 || arr[i] > 511)
+			return -EINVAL;
+	}
+
+	mgr->get_manager_info(mgr, &info);
+
+	info.cpr_coefs = coefs;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+	if (r)
+		return r;
+
+	return size;
+}
+
+struct manager_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_overlay_manager *, char *);
+	ssize_t	(*store)(struct omap_overlay_manager *, const char *, size_t);
+};
+
+#define MANAGER_ATTR(_name, _mode, _show, _store) \
+	struct manager_attribute manager_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static MANAGER_ATTR(name, S_IRUGO, manager_name_show, NULL);
+static MANAGER_ATTR(display, S_IRUGO|S_IWUSR,
+		manager_display_show, manager_display_store);
+static MANAGER_ATTR(default_color, S_IRUGO|S_IWUSR,
+		manager_default_color_show, manager_default_color_store);
+static MANAGER_ATTR(trans_key_type, S_IRUGO|S_IWUSR,
+		manager_trans_key_type_show, manager_trans_key_type_store);
+static MANAGER_ATTR(trans_key_value, S_IRUGO|S_IWUSR,
+		manager_trans_key_value_show, manager_trans_key_value_store);
+static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
+		manager_trans_key_enabled_show,
+		manager_trans_key_enabled_store);
+static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
+		manager_alpha_blending_enabled_show,
+		manager_alpha_blending_enabled_store);
+static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
+		manager_cpr_enable_show,
+		manager_cpr_enable_store);
+static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
+		manager_cpr_coef_show,
+		manager_cpr_coef_store);
+
+
+static struct attribute *manager_sysfs_attrs[] = {
+	&manager_attr_name.attr,
+	&manager_attr_display.attr,
+	&manager_attr_default_color.attr,
+	&manager_attr_trans_key_type.attr,
+	&manager_attr_trans_key_value.attr,
+	&manager_attr_trans_key_enabled.attr,
+	&manager_attr_alpha_blending_enabled.attr,
+	&manager_attr_cpr_enable.attr,
+	&manager_attr_cpr_coef.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(manager_sysfs);
+
+static ssize_t manager_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_overlay_manager *manager;
+	struct manager_attribute *manager_attr;
+
+	manager = container_of(kobj, struct omap_overlay_manager, kobj);
+	manager_attr = container_of(attr, struct manager_attribute, attr);
+
+	if (!manager_attr->show)
+		return -ENOENT;
+
+	return manager_attr->show(manager, buf);
+}
+
+static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay_manager *manager;
+	struct manager_attribute *manager_attr;
+
+	manager = container_of(kobj, struct omap_overlay_manager, kobj);
+	manager_attr = container_of(attr, struct manager_attribute, attr);
+
+	if (!manager_attr->store)
+		return -ENOENT;
+
+	return manager_attr->store(manager, buf, size);
+}
+
+static const struct sysfs_ops manager_sysfs_ops = {
+	.show = manager_attr_show,
+	.store = manager_attr_store,
+};
+
+static struct kobj_type manager_ktype = {
+	.sysfs_ops = &manager_sysfs_ops,
+	.default_groups = manager_sysfs_groups,
+};
+
+int dss_manager_kobj_init(struct omap_overlay_manager *mgr,
+		struct platform_device *pdev)
+{
+	return kobject_init_and_add(&mgr->kobj, &manager_ktype,
+			&pdev->dev.kobj, "manager%d", mgr->id);
+}
+
+void dss_manager_kobj_uninit(struct omap_overlay_manager *mgr)
+{
+	kobject_del(&mgr->kobj);
+	kobject_put(&mgr->kobj);
+
+	memset(&mgr->kobj, 0, sizeof(mgr->kobj));
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/manager.c b/drivers/video/fbdev/omap2/omapfb/dss/manager.c
new file mode 100644
index 000000000..2c2da3534
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/manager.c
@@ -0,0 +1,251 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/manager.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "MANAGER"
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static int num_managers;
+static struct omap_overlay_manager *managers;
+
+int dss_init_overlay_managers(void)
+{
+	int i;
+
+	num_managers = dss_feat_get_num_mgrs();
+
+	managers = kcalloc(num_managers, sizeof(struct omap_overlay_manager),
+			   GFP_KERNEL);
+
+	BUG_ON(managers == NULL);
+
+	for (i = 0; i < num_managers; ++i) {
+		struct omap_overlay_manager *mgr = &managers[i];
+
+		switch (i) {
+		case 0:
+			mgr->name = "lcd";
+			mgr->id = OMAP_DSS_CHANNEL_LCD;
+			break;
+		case 1:
+			mgr->name = "tv";
+			mgr->id = OMAP_DSS_CHANNEL_DIGIT;
+			break;
+		case 2:
+			mgr->name = "lcd2";
+			mgr->id = OMAP_DSS_CHANNEL_LCD2;
+			break;
+		case 3:
+			mgr->name = "lcd3";
+			mgr->id = OMAP_DSS_CHANNEL_LCD3;
+			break;
+		}
+
+		mgr->supported_displays =
+			dss_feat_get_supported_displays(mgr->id);
+		mgr->supported_outputs =
+			dss_feat_get_supported_outputs(mgr->id);
+
+		INIT_LIST_HEAD(&mgr->overlays);
+	}
+
+	return 0;
+}
+
+int dss_init_overlay_managers_sysfs(struct platform_device *pdev)
+{
+	int i, r;
+
+	for (i = 0; i < num_managers; ++i) {
+		struct omap_overlay_manager *mgr = &managers[i];
+
+		r = dss_manager_kobj_init(mgr, pdev);
+		if (r)
+			DSSERR("failed to create sysfs file\n");
+	}
+
+	return 0;
+}
+
+void dss_uninit_overlay_managers(void)
+{
+	kfree(managers);
+	managers = NULL;
+	num_managers = 0;
+}
+
+void dss_uninit_overlay_managers_sysfs(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = 0; i < num_managers; ++i) {
+		struct omap_overlay_manager *mgr = &managers[i];
+
+		dss_manager_kobj_uninit(mgr);
+	}
+}
+
+int omap_dss_get_num_overlay_managers(void)
+{
+	return num_managers;
+}
+EXPORT_SYMBOL(omap_dss_get_num_overlay_managers);
+
+struct omap_overlay_manager *omap_dss_get_overlay_manager(int num)
+{
+	if (num >= num_managers)
+		return NULL;
+
+	return &managers[num];
+}
+EXPORT_SYMBOL(omap_dss_get_overlay_manager);
+
+int dss_mgr_simple_check(struct omap_overlay_manager *mgr,
+		const struct omap_overlay_manager_info *info)
+{
+	if (dss_has_feature(FEAT_ALPHA_FIXED_ZORDER)) {
+		/*
+		 * OMAP3 supports only graphics source transparency color key
+		 * and alpha blending simultaneously. See TRM 15.4.2.4.2.2
+		 * Alpha Mode.
+		 */
+		if (info->partial_alpha_enabled && info->trans_enabled
+			&& info->trans_key_type != OMAP_DSS_COLOR_KEY_GFX_DST) {
+			DSSERR("check_manager: illegal transparency key\n");
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int dss_mgr_check_zorder(struct omap_overlay_manager *mgr,
+		struct omap_overlay_info **overlay_infos)
+{
+	struct omap_overlay *ovl1, *ovl2;
+	struct omap_overlay_info *info1, *info2;
+
+	list_for_each_entry(ovl1, &mgr->overlays, list) {
+		info1 = overlay_infos[ovl1->id];
+
+		if (info1 == NULL)
+			continue;
+
+		list_for_each_entry(ovl2, &mgr->overlays, list) {
+			if (ovl1 == ovl2)
+				continue;
+
+			info2 = overlay_infos[ovl2->id];
+
+			if (info2 == NULL)
+				continue;
+
+			if (info1->zorder == info2->zorder) {
+				DSSERR("overlays %d and %d have the same "
+						"zorder %d\n",
+					ovl1->id, ovl2->id, info1->zorder);
+				return -EINVAL;
+			}
+		}
+	}
+
+	return 0;
+}
+
+int dss_mgr_check_timings(struct omap_overlay_manager *mgr,
+		const struct omap_video_timings *timings)
+{
+	if (!dispc_mgr_timings_ok(mgr->id, timings)) {
+		DSSERR("check_manager: invalid timings\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int dss_mgr_check_lcd_config(struct omap_overlay_manager *mgr,
+		const struct dss_lcd_mgr_config *config)
+{
+	struct dispc_clock_info cinfo = config->clock_info;
+	int dl = config->video_port_width;
+	bool stallmode = config->stallmode;
+	bool fifohandcheck = config->fifohandcheck;
+
+	if (cinfo.lck_div < 1 || cinfo.lck_div > 255)
+		return -EINVAL;
+
+	if (cinfo.pck_div < 1 || cinfo.pck_div > 255)
+		return -EINVAL;
+
+	if (dl != 12 && dl != 16 && dl != 18 && dl != 24)
+		return -EINVAL;
+
+	/* fifohandcheck should be used only with stallmode */
+	if (!stallmode && fifohandcheck)
+		return -EINVAL;
+
+	/*
+	 * io pad mode can be only checked by using dssdev connected to the
+	 * manager. Ignore checking these for now, add checks when manager
+	 * is capable of holding information related to the connected interface
+	 */
+
+	return 0;
+}
+
+int dss_mgr_check(struct omap_overlay_manager *mgr,
+		struct omap_overlay_manager_info *info,
+		const struct omap_video_timings *mgr_timings,
+		const struct dss_lcd_mgr_config *lcd_config,
+		struct omap_overlay_info **overlay_infos)
+{
+	struct omap_overlay *ovl;
+	int r;
+
+	if (dss_has_feature(FEAT_ALPHA_FREE_ZORDER)) {
+		r = dss_mgr_check_zorder(mgr, overlay_infos);
+		if (r)
+			return r;
+	}
+
+	r = dss_mgr_check_timings(mgr, mgr_timings);
+	if (r)
+		return r;
+
+	r = dss_mgr_check_lcd_config(mgr, lcd_config);
+	if (r)
+		return r;
+
+	list_for_each_entry(ovl, &mgr->overlays, list) {
+		struct omap_overlay_info *oi;
+		int r;
+
+		oi = overlay_infos[ovl->id];
+
+		if (oi == NULL)
+			continue;
+
+		r = dss_ovl_check(ovl, oi, mgr_timings);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c b/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c
new file mode 100644
index 000000000..0ae0cab25
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/omapdss-boot-init.c
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Texas Instruments
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ */
+
+/*
+ * As omapdss panel drivers are omapdss specific, but we want to define the
+ * DT-data in generic manner, we convert the compatible strings of the panel and
+ * encoder nodes from "panel-foo" to "omapdss,panel-foo". This way we can have
+ * both correct DT data and omapdss specific drivers.
+ *
+ * When we get generic panel drivers to the kernel, this file will be removed.
+ */
+
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/of_graph.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+
+static struct list_head dss_conv_list __initdata;
+
+static const char prefix[] __initconst = "omapdss,";
+
+struct dss_conv_node {
+	struct list_head list;
+	struct device_node *node;
+	bool root;
+};
+
+static int __init omapdss_count_strings(const struct property *prop)
+{
+	const char *p = prop->value;
+	int l = 0, total = 0;
+	int i;
+
+	for (i = 0; total < prop->length; total += l, p += l, i++)
+		l = strlen(p) + 1;
+
+	return i;
+}
+
+static void __init omapdss_update_prop(struct device_node *node, char *compat,
+	int len)
+{
+	struct property *prop;
+
+	prop = kzalloc(sizeof(*prop), GFP_KERNEL);
+	if (!prop)
+		return;
+
+	prop->name = "compatible";
+	prop->value = compat;
+	prop->length = len;
+
+	of_update_property(node, prop);
+}
+
+static void __init omapdss_prefix_strcpy(char *dst, int dst_len,
+	const char *src, int src_len)
+{
+	size_t total = 0;
+
+	while (total < src_len) {
+		size_t l = strlen(src) + 1;
+
+		strcpy(dst, prefix);
+		dst += strlen(prefix);
+
+		strcpy(dst, src);
+		dst += l;
+
+		src += l;
+		total += l;
+	}
+}
+
+/* prepend compatible property strings with "omapdss," */
+static void __init omapdss_omapify_node(struct device_node *node)
+{
+	struct property *prop;
+	char *new_compat;
+	int num_strs;
+	int new_len;
+
+	prop = of_find_property(node, "compatible", NULL);
+
+	if (!prop || !prop->value)
+		return;
+
+	if (strnlen(prop->value, prop->length) >= prop->length)
+		return;
+
+	/* is it already prefixed? */
+	if (strncmp(prefix, prop->value, strlen(prefix)) == 0)
+		return;
+
+	num_strs = omapdss_count_strings(prop);
+
+	new_len = prop->length + strlen(prefix) * num_strs;
+	new_compat = kmalloc(new_len, GFP_KERNEL);
+	if (!new_compat)
+		return;
+
+	omapdss_prefix_strcpy(new_compat, new_len, prop->value, prop->length);
+
+	omapdss_update_prop(node, new_compat, new_len);
+}
+
+static void __init omapdss_add_to_list(struct device_node *node, bool root)
+{
+	struct dss_conv_node *n = kmalloc(sizeof(struct dss_conv_node),
+		GFP_KERNEL);
+	if (n) {
+		n->node = node;
+		n->root = root;
+		list_add(&n->list, &dss_conv_list);
+	}
+}
+
+static bool __init omapdss_list_contains(const struct device_node *node)
+{
+	struct dss_conv_node *n;
+
+	list_for_each_entry(n, &dss_conv_list, list) {
+		if (n->node == node)
+			return true;
+	}
+
+	return false;
+}
+
+static void __init omapdss_walk_device(struct device_node *node, bool root)
+{
+	struct device_node *n;
+
+	omapdss_add_to_list(node, root);
+
+	/*
+	 * of_graph_get_remote_port_parent() prints an error if there is no
+	 * port/ports node. To avoid that, check first that there's the node.
+	 */
+	n = of_get_child_by_name(node, "ports");
+	if (!n)
+		n = of_get_child_by_name(node, "port");
+	if (!n)
+		return;
+
+	of_node_put(n);
+
+	n = NULL;
+	while ((n = of_graph_get_next_endpoint(node, n)) != NULL) {
+		struct device_node *pn;
+
+		pn = of_graph_get_remote_port_parent(n);
+
+		if (!pn)
+			continue;
+
+		if (!of_device_is_available(pn) || omapdss_list_contains(pn)) {
+			of_node_put(pn);
+			continue;
+		}
+
+		omapdss_walk_device(pn, false);
+	}
+}
+
+static const struct of_device_id omapdss_of_match[] __initconst = {
+	{ .compatible = "ti,omap2-dss", },
+	{ .compatible = "ti,omap3-dss", },
+	{ .compatible = "ti,omap4-dss", },
+	{ .compatible = "ti,omap5-dss", },
+	{ .compatible = "ti,dra7-dss", },
+	{},
+};
+
+static int __init omapdss_boot_init(void)
+{
+	struct device_node *dss, *child;
+
+	INIT_LIST_HEAD(&dss_conv_list);
+
+	dss = of_find_matching_node(NULL, omapdss_of_match);
+
+	if (dss == NULL || !of_device_is_available(dss)) {
+		of_node_put(dss);
+		return 0;
+	}
+
+	omapdss_walk_device(dss, true);
+
+	for_each_available_child_of_node(dss, child) {
+		if (!of_find_property(child, "compatible", NULL))
+			continue;
+
+		omapdss_walk_device(child, true);
+	}
+
+	while (!list_empty(&dss_conv_list)) {
+		struct dss_conv_node *n;
+
+		n = list_first_entry(&dss_conv_list, struct dss_conv_node,
+			list);
+
+		if (!n->root)
+			omapdss_omapify_node(n->node);
+
+		list_del(&n->list);
+		of_node_put(n->node);
+		kfree(n);
+	}
+
+	return 0;
+}
+
+subsys_initcall(omapdss_boot_init);
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/output.c b/drivers/video/fbdev/omap2/omapfb/dss/output.c
new file mode 100644
index 000000000..4e2992a0c
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/output.c
@@ -0,0 +1,256 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2012 Texas Instruments Ltd
+ * Author: Archit Taneja <archit@ti.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+
+static LIST_HEAD(output_list);
+static DEFINE_MUTEX(output_lock);
+
+int omapdss_output_set_device(struct omap_dss_device *out,
+		struct omap_dss_device *dssdev)
+{
+	int r;
+
+	mutex_lock(&output_lock);
+
+	if (out->dst) {
+		DSSERR("output already has device %s connected to it\n",
+			out->dst->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	if (out->output_type != dssdev->type) {
+		DSSERR("output type and display type don't match\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	out->dst = dssdev;
+	dssdev->src = out;
+
+	mutex_unlock(&output_lock);
+
+	return 0;
+err:
+	mutex_unlock(&output_lock);
+
+	return r;
+}
+EXPORT_SYMBOL(omapdss_output_set_device);
+
+int omapdss_output_unset_device(struct omap_dss_device *out)
+{
+	int r;
+
+	mutex_lock(&output_lock);
+
+	if (!out->dst) {
+		DSSERR("output doesn't have a device connected to it\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	if (out->dst->state != OMAP_DSS_DISPLAY_DISABLED) {
+		DSSERR("device %s is not disabled, cannot unset device\n",
+				out->dst->name);
+		r = -EINVAL;
+		goto err;
+	}
+
+	out->dst->src = NULL;
+	out->dst = NULL;
+
+	mutex_unlock(&output_lock);
+
+	return 0;
+err:
+	mutex_unlock(&output_lock);
+
+	return r;
+}
+EXPORT_SYMBOL(omapdss_output_unset_device);
+
+int omapdss_register_output(struct omap_dss_device *out)
+{
+	list_add_tail(&out->list, &output_list);
+	return 0;
+}
+EXPORT_SYMBOL(omapdss_register_output);
+
+void omapdss_unregister_output(struct omap_dss_device *out)
+{
+	list_del(&out->list);
+}
+EXPORT_SYMBOL(omapdss_unregister_output);
+
+struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id)
+{
+	struct omap_dss_device *out;
+
+	list_for_each_entry(out, &output_list, list) {
+		if (out->id == id)
+			return out;
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(omap_dss_get_output);
+
+struct omap_dss_device *omap_dss_find_output(const char *name)
+{
+	struct omap_dss_device *out;
+
+	list_for_each_entry(out, &output_list, list) {
+		if (strcmp(out->name, name) == 0)
+			return omap_dss_get_device(out);
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(omap_dss_find_output);
+
+struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port)
+{
+	struct device_node *src_node;
+	struct omap_dss_device *out;
+	u32 reg;
+
+	src_node = dss_of_port_get_parent_device(port);
+	if (!src_node)
+		return NULL;
+
+	reg = dss_of_port_get_port_number(port);
+
+	list_for_each_entry(out, &output_list, list) {
+		if (out->dev->of_node == src_node && out->port_num == reg) {
+			of_node_put(src_node);
+			return omap_dss_get_device(out);
+		}
+	}
+
+	of_node_put(src_node);
+
+	return NULL;
+}
+EXPORT_SYMBOL(omap_dss_find_output_by_port_node);
+
+struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev)
+{
+	while (dssdev->src)
+		dssdev = dssdev->src;
+
+	if (dssdev->id != 0)
+		return omap_dss_get_device(dssdev);
+
+	return NULL;
+}
+EXPORT_SYMBOL(omapdss_find_output_from_display);
+
+struct omap_overlay_manager *omapdss_find_mgr_from_display(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_device *out;
+	struct omap_overlay_manager *mgr;
+
+	out = omapdss_find_output_from_display(dssdev);
+
+	if (out == NULL)
+		return NULL;
+
+	mgr = out->manager;
+
+	omap_dss_put_device(out);
+
+	return mgr;
+}
+EXPORT_SYMBOL(omapdss_find_mgr_from_display);
+
+static const struct dss_mgr_ops *dss_mgr_ops;
+
+int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops)
+{
+	if (dss_mgr_ops)
+		return -EBUSY;
+
+	dss_mgr_ops = mgr_ops;
+
+	return 0;
+}
+EXPORT_SYMBOL(dss_install_mgr_ops);
+
+void dss_uninstall_mgr_ops(void)
+{
+	dss_mgr_ops = NULL;
+}
+EXPORT_SYMBOL(dss_uninstall_mgr_ops);
+
+int dss_mgr_connect(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst)
+{
+	return dss_mgr_ops->connect(mgr, dst);
+}
+EXPORT_SYMBOL(dss_mgr_connect);
+
+void dss_mgr_disconnect(struct omap_overlay_manager *mgr,
+		struct omap_dss_device *dst)
+{
+	dss_mgr_ops->disconnect(mgr, dst);
+}
+EXPORT_SYMBOL(dss_mgr_disconnect);
+
+void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
+		const struct omap_video_timings *timings)
+{
+	dss_mgr_ops->set_timings(mgr, timings);
+}
+EXPORT_SYMBOL(dss_mgr_set_timings);
+
+void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr,
+		const struct dss_lcd_mgr_config *config)
+{
+	dss_mgr_ops->set_lcd_config(mgr, config);
+}
+EXPORT_SYMBOL(dss_mgr_set_lcd_config);
+
+int dss_mgr_enable(struct omap_overlay_manager *mgr)
+{
+	return dss_mgr_ops->enable(mgr);
+}
+EXPORT_SYMBOL(dss_mgr_enable);
+
+void dss_mgr_disable(struct omap_overlay_manager *mgr)
+{
+	dss_mgr_ops->disable(mgr);
+}
+EXPORT_SYMBOL(dss_mgr_disable);
+
+void dss_mgr_start_update(struct omap_overlay_manager *mgr)
+{
+	dss_mgr_ops->start_update(mgr);
+}
+EXPORT_SYMBOL(dss_mgr_start_update);
+
+int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
+		void (*handler)(void *), void *data)
+{
+	return dss_mgr_ops->register_framedone_handler(mgr, handler, data);
+}
+EXPORT_SYMBOL(dss_mgr_register_framedone_handler);
+
+void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
+		void (*handler)(void *), void *data)
+{
+	dss_mgr_ops->unregister_framedone_handler(mgr, handler, data);
+}
+EXPORT_SYMBOL(dss_mgr_unregister_framedone_handler);
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c
new file mode 100644
index 000000000..601c0beb6
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c
@@ -0,0 +1,446 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "OVERLAY"
+
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+#include <linux/platform_device.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf)
+{
+	return sysfs_emit(buf, "%s\n", ovl->name);
+}
+
+static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf)
+{
+	return sysfs_emit(buf, "%s\n",
+			ovl->manager ? ovl->manager->name : "<none>");
+}
+
+static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf,
+		size_t size)
+{
+	int i, r;
+	struct omap_overlay_manager *mgr = NULL;
+	struct omap_overlay_manager *old_mgr;
+	int len = size;
+
+	if (buf[size-1] == '\n')
+		--len;
+
+	if (len > 0) {
+		for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+			mgr = omap_dss_get_overlay_manager(i);
+
+			if (sysfs_streq(buf, mgr->name))
+				break;
+
+			mgr = NULL;
+		}
+	}
+
+	if (len > 0 && mgr == NULL)
+		return -EINVAL;
+
+	if (mgr)
+		DSSDBG("manager %s found\n", mgr->name);
+
+	if (mgr == ovl->manager)
+		return size;
+
+	old_mgr = ovl->manager;
+
+	r = dispc_runtime_get();
+	if (r)
+		return r;
+
+	/* detach old manager */
+	if (old_mgr) {
+		r = ovl->unset_manager(ovl);
+		if (r) {
+			DSSERR("detach failed\n");
+			goto err;
+		}
+
+		r = old_mgr->apply(old_mgr);
+		if (r)
+			goto err;
+	}
+
+	if (mgr) {
+		r = ovl->set_manager(ovl, mgr);
+		if (r) {
+			DSSERR("Failed to attach overlay\n");
+			goto err;
+		}
+
+		r = mgr->apply(mgr);
+		if (r)
+			goto err;
+	}
+
+	dispc_runtime_put();
+
+	return size;
+
+err:
+	dispc_runtime_put();
+	return r;
+}
+
+static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return sysfs_emit(buf, "%d,%d\n",
+			info.width, info.height);
+}
+
+static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return sysfs_emit(buf, "%d\n", info.screen_width);
+}
+
+static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return sysfs_emit(buf, "%d,%d\n",
+			info.pos_x, info.pos_y);
+}
+
+static ssize_t overlay_position_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	char *last;
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.pos_x = simple_strtoul(buf, &last, 10);
+	++last;
+	if (last - buf >= size)
+		return -EINVAL;
+
+	info.pos_y = simple_strtoul(last, &last, 10);
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return sysfs_emit(buf, "%d,%d\n",
+			info.out_width, info.out_height);
+}
+
+static ssize_t overlay_output_size_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	char *last;
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.out_width = simple_strtoul(buf, &last, 10);
+	++last;
+	if (last - buf >= size)
+		return -EINVAL;
+
+	info.out_height = simple_strtoul(last, &last, 10);
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf)
+{
+	return sysfs_emit(buf, "%d\n", ovl->is_enabled(ovl));
+}
+
+static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf,
+		size_t size)
+{
+	int r;
+	bool enable;
+
+	r = strtobool(buf, &enable);
+	if (r)
+		return r;
+
+	if (enable)
+		r = ovl->enable(ovl);
+	else
+		r = ovl->disable(ovl);
+
+	if (r)
+		return r;
+
+	return size;
+}
+
+static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return sysfs_emit(buf, "%d\n",
+			info.global_alpha);
+}
+
+static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 alpha;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_GLOBAL_ALPHA) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &alpha);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.global_alpha = alpha;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl,
+		char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return sysfs_emit(buf, "%d\n",
+			info.pre_mult_alpha);
+}
+
+static ssize_t overlay_pre_mult_alpha_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 alpha;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &alpha);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.pre_mult_alpha = alpha;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf)
+{
+	struct omap_overlay_info info;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	return sysfs_emit(buf, "%d\n", info.zorder);
+}
+
+static ssize_t overlay_zorder_store(struct omap_overlay *ovl,
+		const char *buf, size_t size)
+{
+	int r;
+	u8 zorder;
+	struct omap_overlay_info info;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
+		return -ENODEV;
+
+	r = kstrtou8(buf, 0, &zorder);
+	if (r)
+		return r;
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.zorder = zorder;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		return r;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			return r;
+	}
+
+	return size;
+}
+
+struct overlay_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct omap_overlay *, char *);
+	ssize_t	(*store)(struct omap_overlay *, const char *, size_t);
+};
+
+#define OVERLAY_ATTR(_name, _mode, _show, _store) \
+	struct overlay_attribute overlay_attr_##_name = \
+	__ATTR(_name, _mode, _show, _store)
+
+static OVERLAY_ATTR(name, S_IRUGO, overlay_name_show, NULL);
+static OVERLAY_ATTR(manager, S_IRUGO|S_IWUSR,
+		overlay_manager_show, overlay_manager_store);
+static OVERLAY_ATTR(input_size, S_IRUGO, overlay_input_size_show, NULL);
+static OVERLAY_ATTR(screen_width, S_IRUGO, overlay_screen_width_show, NULL);
+static OVERLAY_ATTR(position, S_IRUGO|S_IWUSR,
+		overlay_position_show, overlay_position_store);
+static OVERLAY_ATTR(output_size, S_IRUGO|S_IWUSR,
+		overlay_output_size_show, overlay_output_size_store);
+static OVERLAY_ATTR(enabled, S_IRUGO|S_IWUSR,
+		overlay_enabled_show, overlay_enabled_store);
+static OVERLAY_ATTR(global_alpha, S_IRUGO|S_IWUSR,
+		overlay_global_alpha_show, overlay_global_alpha_store);
+static OVERLAY_ATTR(pre_mult_alpha, S_IRUGO|S_IWUSR,
+		overlay_pre_mult_alpha_show,
+		overlay_pre_mult_alpha_store);
+static OVERLAY_ATTR(zorder, S_IRUGO|S_IWUSR,
+		overlay_zorder_show, overlay_zorder_store);
+
+static struct attribute *overlay_sysfs_attrs[] = {
+	&overlay_attr_name.attr,
+	&overlay_attr_manager.attr,
+	&overlay_attr_input_size.attr,
+	&overlay_attr_screen_width.attr,
+	&overlay_attr_position.attr,
+	&overlay_attr_output_size.attr,
+	&overlay_attr_enabled.attr,
+	&overlay_attr_global_alpha.attr,
+	&overlay_attr_pre_mult_alpha.attr,
+	&overlay_attr_zorder.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(overlay_sysfs);
+
+static ssize_t overlay_attr_show(struct kobject *kobj, struct attribute *attr,
+		char *buf)
+{
+	struct omap_overlay *overlay;
+	struct overlay_attribute *overlay_attr;
+
+	overlay = container_of(kobj, struct omap_overlay, kobj);
+	overlay_attr = container_of(attr, struct overlay_attribute, attr);
+
+	if (!overlay_attr->show)
+		return -ENOENT;
+
+	return overlay_attr->show(overlay, buf);
+}
+
+static ssize_t overlay_attr_store(struct kobject *kobj, struct attribute *attr,
+		const char *buf, size_t size)
+{
+	struct omap_overlay *overlay;
+	struct overlay_attribute *overlay_attr;
+
+	overlay = container_of(kobj, struct omap_overlay, kobj);
+	overlay_attr = container_of(attr, struct overlay_attribute, attr);
+
+	if (!overlay_attr->store)
+		return -ENOENT;
+
+	return overlay_attr->store(overlay, buf, size);
+}
+
+static const struct sysfs_ops overlay_sysfs_ops = {
+	.show = overlay_attr_show,
+	.store = overlay_attr_store,
+};
+
+static struct kobj_type overlay_ktype = {
+	.sysfs_ops = &overlay_sysfs_ops,
+	.default_groups = overlay_sysfs_groups,
+};
+
+int dss_overlay_kobj_init(struct omap_overlay *ovl,
+		struct platform_device *pdev)
+{
+	return kobject_init_and_add(&ovl->kobj, &overlay_ktype,
+			&pdev->dev.kobj, "overlay%d", ovl->id);
+}
+
+void dss_overlay_kobj_uninit(struct omap_overlay *ovl)
+{
+	kobject_del(&ovl->kobj);
+	kobject_put(&ovl->kobj);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/overlay.c b/drivers/video/fbdev/omap2/omapfb/dss/overlay.c
new file mode 100644
index 000000000..8c8e627da
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/overlay.c
@@ -0,0 +1,191 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/overlay.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ */
+
+#define DSS_SUBSYS_NAME "OVERLAY"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/sysfs.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+static int num_overlays;
+static struct omap_overlay *overlays;
+
+int omap_dss_get_num_overlays(void)
+{
+	return num_overlays;
+}
+EXPORT_SYMBOL(omap_dss_get_num_overlays);
+
+struct omap_overlay *omap_dss_get_overlay(int num)
+{
+	if (num >= num_overlays)
+		return NULL;
+
+	return &overlays[num];
+}
+EXPORT_SYMBOL(omap_dss_get_overlay);
+
+void dss_init_overlays(struct platform_device *pdev)
+{
+	int i, r;
+
+	num_overlays = dss_feat_get_num_ovls();
+
+	overlays = kcalloc(num_overlays, sizeof(struct omap_overlay),
+			   GFP_KERNEL);
+
+	BUG_ON(overlays == NULL);
+
+	for (i = 0; i < num_overlays; ++i) {
+		struct omap_overlay *ovl = &overlays[i];
+
+		switch (i) {
+		case 0:
+			ovl->name = "gfx";
+			ovl->id = OMAP_DSS_GFX;
+			break;
+		case 1:
+			ovl->name = "vid1";
+			ovl->id = OMAP_DSS_VIDEO1;
+			break;
+		case 2:
+			ovl->name = "vid2";
+			ovl->id = OMAP_DSS_VIDEO2;
+			break;
+		case 3:
+			ovl->name = "vid3";
+			ovl->id = OMAP_DSS_VIDEO3;
+			break;
+		}
+
+		ovl->caps = dss_feat_get_overlay_caps(ovl->id);
+		ovl->supported_modes =
+			dss_feat_get_supported_color_modes(ovl->id);
+
+		r = dss_overlay_kobj_init(ovl, pdev);
+		if (r)
+			DSSERR("failed to create sysfs file\n");
+	}
+}
+
+void dss_uninit_overlays(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = 0; i < num_overlays; ++i) {
+		struct omap_overlay *ovl = &overlays[i];
+		dss_overlay_kobj_uninit(ovl);
+	}
+
+	kfree(overlays);
+	overlays = NULL;
+	num_overlays = 0;
+}
+
+int dss_ovl_simple_check(struct omap_overlay *ovl,
+		const struct omap_overlay_info *info)
+{
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
+		if (info->out_width != 0 && info->width != info->out_width) {
+			DSSERR("check_overlay: overlay %d doesn't support "
+					"scaling\n", ovl->id);
+			return -EINVAL;
+		}
+
+		if (info->out_height != 0 && info->height != info->out_height) {
+			DSSERR("check_overlay: overlay %d doesn't support "
+					"scaling\n", ovl->id);
+			return -EINVAL;
+		}
+	}
+
+	if ((ovl->supported_modes & info->color_mode) == 0) {
+		DSSERR("check_overlay: overlay %d doesn't support mode %d\n",
+				ovl->id, info->color_mode);
+		return -EINVAL;
+	}
+
+	if (info->zorder >= omap_dss_get_num_overlays()) {
+		DSSERR("check_overlay: zorder %d too high\n", info->zorder);
+		return -EINVAL;
+	}
+
+	if (dss_feat_rotation_type_supported(info->rotation_type) == 0) {
+		DSSERR("check_overlay: rotation type %d not supported\n",
+				info->rotation_type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int dss_ovl_check(struct omap_overlay *ovl, struct omap_overlay_info *info,
+		const struct omap_video_timings *mgr_timings)
+{
+	u16 outw, outh;
+	u16 dw, dh;
+
+	dw = mgr_timings->x_res;
+	dh = mgr_timings->y_res;
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
+		outw = info->width;
+		outh = info->height;
+	} else {
+		if (info->out_width == 0)
+			outw = info->width;
+		else
+			outw = info->out_width;
+
+		if (info->out_height == 0)
+			outh = info->height;
+		else
+			outh = info->out_height;
+	}
+
+	if (dw < info->pos_x + outw) {
+		DSSERR("overlay %d horizontally not inside the display area "
+				"(%d + %d >= %d)\n",
+				ovl->id, info->pos_x, outw, dw);
+		return -EINVAL;
+	}
+
+	if (dh < info->pos_y + outh) {
+		DSSERR("overlay %d vertically not inside the display area "
+				"(%d + %d >= %d)\n",
+				ovl->id, info->pos_y, outh, dh);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*
+ * Checks if replication logic should be used. Only use when overlay is in
+ * RGB12U or RGB16 mode, and video port width interface is 18bpp or 24bpp
+ */
+bool dss_ovl_use_replication(struct dss_lcd_mgr_config config,
+		enum omap_color_mode mode)
+{
+	if (mode != OMAP_DSS_COLOR_RGB12U && mode != OMAP_DSS_COLOR_RGB16)
+		return false;
+
+	return config.video_port_width > 16;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/pll.c b/drivers/video/fbdev/omap2/omapfb/dss/pll.c
new file mode 100644
index 000000000..725194d52
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/pll.c
@@ -0,0 +1,378 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 Texas Instruments Incorporated
+ */
+
+#define DSS_SUBSYS_NAME "PLL"
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/regulator/consumer.h>
+#include <linux/sched.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+
+#define PLL_CONTROL			0x0000
+#define PLL_STATUS			0x0004
+#define PLL_GO				0x0008
+#define PLL_CONFIGURATION1		0x000C
+#define PLL_CONFIGURATION2		0x0010
+#define PLL_CONFIGURATION3		0x0014
+#define PLL_SSC_CONFIGURATION1		0x0018
+#define PLL_SSC_CONFIGURATION2		0x001C
+#define PLL_CONFIGURATION4		0x0020
+
+static struct dss_pll *dss_plls[4];
+
+int dss_pll_register(struct dss_pll *pll)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) {
+		if (!dss_plls[i]) {
+			dss_plls[i] = pll;
+			return 0;
+		}
+	}
+
+	return -EBUSY;
+}
+
+void dss_pll_unregister(struct dss_pll *pll)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) {
+		if (dss_plls[i] == pll) {
+			dss_plls[i] = NULL;
+			return;
+		}
+	}
+}
+
+struct dss_pll *dss_pll_find(const char *name)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dss_plls); ++i) {
+		if (dss_plls[i] && strcmp(dss_plls[i]->name, name) == 0)
+			return dss_plls[i];
+	}
+
+	return NULL;
+}
+
+int dss_pll_enable(struct dss_pll *pll)
+{
+	int r;
+
+	r = clk_prepare_enable(pll->clkin);
+	if (r)
+		return r;
+
+	if (pll->regulator) {
+		r = regulator_enable(pll->regulator);
+		if (r)
+			goto err_reg;
+	}
+
+	r = pll->ops->enable(pll);
+	if (r)
+		goto err_enable;
+
+	return 0;
+
+err_enable:
+	if (pll->regulator)
+		regulator_disable(pll->regulator);
+err_reg:
+	clk_disable_unprepare(pll->clkin);
+	return r;
+}
+
+void dss_pll_disable(struct dss_pll *pll)
+{
+	pll->ops->disable(pll);
+
+	if (pll->regulator)
+		regulator_disable(pll->regulator);
+
+	clk_disable_unprepare(pll->clkin);
+
+	memset(&pll->cinfo, 0, sizeof(pll->cinfo));
+}
+
+int dss_pll_set_config(struct dss_pll *pll, const struct dss_pll_clock_info *cinfo)
+{
+	int r;
+
+	r = pll->ops->set_config(pll, cinfo);
+	if (r)
+		return r;
+
+	pll->cinfo = *cinfo;
+
+	return 0;
+}
+
+bool dss_pll_hsdiv_calc(const struct dss_pll *pll, unsigned long clkdco,
+		unsigned long out_min, unsigned long out_max,
+		dss_hsdiv_calc_func func, void *data)
+{
+	const struct dss_pll_hw *hw = pll->hw;
+	int m, m_start, m_stop;
+	unsigned long out;
+
+	out_min = out_min ? out_min : 1;
+	out_max = out_max ? out_max : ULONG_MAX;
+
+	m_start = max(DIV_ROUND_UP(clkdco, out_max), 1ul);
+
+	m_stop = min((unsigned)(clkdco / out_min), hw->mX_max);
+
+	for (m = m_start; m <= m_stop; ++m) {
+		out = clkdco / m;
+
+		if (func(m, out, data))
+			return true;
+	}
+
+	return false;
+}
+
+bool dss_pll_calc(const struct dss_pll *pll, unsigned long clkin,
+		unsigned long pll_min, unsigned long pll_max,
+		dss_pll_calc_func func, void *data)
+{
+	const struct dss_pll_hw *hw = pll->hw;
+	int n, n_start, n_stop;
+	int m, m_start, m_stop;
+	unsigned long fint, clkdco;
+	unsigned long pll_hw_max;
+	unsigned long fint_hw_min, fint_hw_max;
+
+	pll_hw_max = hw->clkdco_max;
+
+	fint_hw_min = hw->fint_min;
+	fint_hw_max = hw->fint_max;
+
+	n_start = max(DIV_ROUND_UP(clkin, fint_hw_max), 1ul);
+	n_stop = min((unsigned)(clkin / fint_hw_min), hw->n_max);
+
+	pll_max = pll_max ? pll_max : ULONG_MAX;
+
+	for (n = n_start; n <= n_stop; ++n) {
+		fint = clkin / n;
+
+		m_start = max(DIV_ROUND_UP(DIV_ROUND_UP(pll_min, fint), 2),
+				1ul);
+		m_stop = min3((unsigned)(pll_max / fint / 2),
+				(unsigned)(pll_hw_max / fint / 2),
+				hw->m_max);
+
+		for (m = m_start; m <= m_stop; ++m) {
+			clkdco = 2 * m * fint;
+
+			if (func(n, m, fint, clkdco, data))
+				return true;
+		}
+	}
+
+	return false;
+}
+
+static int wait_for_bit_change(void __iomem *reg, int bitnum, int value)
+{
+	unsigned long timeout;
+	ktime_t wait;
+	int t;
+
+	/* first busyloop to see if the bit changes right away */
+	t = 100;
+	while (t-- > 0) {
+		if (FLD_GET(readl_relaxed(reg), bitnum, bitnum) == value)
+			return value;
+	}
+
+	/* then loop for 500ms, sleeping for 1ms in between */
+	timeout = jiffies + msecs_to_jiffies(500);
+	while (time_before(jiffies, timeout)) {
+		if (FLD_GET(readl_relaxed(reg), bitnum, bitnum) == value)
+			return value;
+
+		wait = ns_to_ktime(1000 * 1000);
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		schedule_hrtimeout(&wait, HRTIMER_MODE_REL);
+	}
+
+	return !value;
+}
+
+int dss_pll_wait_reset_done(struct dss_pll *pll)
+{
+	void __iomem *base = pll->base;
+
+	if (wait_for_bit_change(base + PLL_STATUS, 0, 1) != 1)
+		return -ETIMEDOUT;
+	else
+		return 0;
+}
+
+static int dss_wait_hsdiv_ack(struct dss_pll *pll, u32 hsdiv_ack_mask)
+{
+	int t = 100;
+
+	while (t-- > 0) {
+		u32 v = readl_relaxed(pll->base + PLL_STATUS);
+		v &= hsdiv_ack_mask;
+		if (v == hsdiv_ack_mask)
+			return 0;
+	}
+
+	return -ETIMEDOUT;
+}
+
+int dss_pll_write_config_type_a(struct dss_pll *pll,
+		const struct dss_pll_clock_info *cinfo)
+{
+	const struct dss_pll_hw *hw = pll->hw;
+	void __iomem *base = pll->base;
+	int r = 0;
+	u32 l;
+
+	l = 0;
+	if (hw->has_stopmode)
+		l = FLD_MOD(l, 1, 0, 0);		/* PLL_STOPMODE */
+	l = FLD_MOD(l, cinfo->n - 1, hw->n_msb, hw->n_lsb);	/* PLL_REGN */
+	l = FLD_MOD(l, cinfo->m, hw->m_msb, hw->m_lsb);		/* PLL_REGM */
+	/* M4 */
+	l = FLD_MOD(l, cinfo->mX[0] ? cinfo->mX[0] - 1 : 0,
+			hw->mX_msb[0], hw->mX_lsb[0]);
+	/* M5 */
+	l = FLD_MOD(l, cinfo->mX[1] ? cinfo->mX[1] - 1 : 0,
+			hw->mX_msb[1], hw->mX_lsb[1]);
+	writel_relaxed(l, base + PLL_CONFIGURATION1);
+
+	l = 0;
+	/* M6 */
+	l = FLD_MOD(l, cinfo->mX[2] ? cinfo->mX[2] - 1 : 0,
+			hw->mX_msb[2], hw->mX_lsb[2]);
+	/* M7 */
+	l = FLD_MOD(l, cinfo->mX[3] ? cinfo->mX[3] - 1 : 0,
+			hw->mX_msb[3], hw->mX_lsb[3]);
+	writel_relaxed(l, base + PLL_CONFIGURATION3);
+
+	l = readl_relaxed(base + PLL_CONFIGURATION2);
+	if (hw->has_freqsel) {
+		u32 f = cinfo->fint < 1000000 ? 0x3 :
+			cinfo->fint < 1250000 ? 0x4 :
+			cinfo->fint < 1500000 ? 0x5 :
+			cinfo->fint < 1750000 ? 0x6 :
+			0x7;
+
+		l = FLD_MOD(l, f, 4, 1);	/* PLL_FREQSEL */
+	} else if (hw->has_selfreqdco) {
+		u32 f = cinfo->clkdco < hw->clkdco_low ? 0x2 : 0x4;
+
+		l = FLD_MOD(l, f, 3, 1);	/* PLL_SELFREQDCO */
+	}
+	l = FLD_MOD(l, 1, 13, 13);		/* PLL_REFEN */
+	l = FLD_MOD(l, 0, 14, 14);		/* PHY_CLKINEN */
+	l = FLD_MOD(l, 0, 16, 16);		/* M4_CLOCK_EN */
+	l = FLD_MOD(l, 0, 18, 18);		/* M5_CLOCK_EN */
+	l = FLD_MOD(l, 1, 20, 20);		/* HSDIVBYPASS */
+	if (hw->has_refsel)
+		l = FLD_MOD(l, 3, 22, 21);	/* REFSEL = sysclk */
+	l = FLD_MOD(l, 0, 23, 23);		/* M6_CLOCK_EN */
+	l = FLD_MOD(l, 0, 25, 25);		/* M7_CLOCK_EN */
+	writel_relaxed(l, base + PLL_CONFIGURATION2);
+
+	writel_relaxed(1, base + PLL_GO);	/* PLL_GO */
+
+	if (wait_for_bit_change(base + PLL_GO, 0, 0) != 0) {
+		DSSERR("DSS DPLL GO bit not going down.\n");
+		r = -EIO;
+		goto err;
+	}
+
+	if (wait_for_bit_change(base + PLL_STATUS, 1, 1) != 1) {
+		DSSERR("cannot lock DSS DPLL\n");
+		r = -EIO;
+		goto err;
+	}
+
+	l = readl_relaxed(base + PLL_CONFIGURATION2);
+	l = FLD_MOD(l, 1, 14, 14);			/* PHY_CLKINEN */
+	l = FLD_MOD(l, cinfo->mX[0] ? 1 : 0, 16, 16);	/* M4_CLOCK_EN */
+	l = FLD_MOD(l, cinfo->mX[1] ? 1 : 0, 18, 18);	/* M5_CLOCK_EN */
+	l = FLD_MOD(l, 0, 20, 20);			/* HSDIVBYPASS */
+	l = FLD_MOD(l, cinfo->mX[2] ? 1 : 0, 23, 23);	/* M6_CLOCK_EN */
+	l = FLD_MOD(l, cinfo->mX[3] ? 1 : 0, 25, 25);	/* M7_CLOCK_EN */
+	writel_relaxed(l, base + PLL_CONFIGURATION2);
+
+	r = dss_wait_hsdiv_ack(pll,
+		(cinfo->mX[0] ? BIT(7) : 0) |
+		(cinfo->mX[1] ? BIT(8) : 0) |
+		(cinfo->mX[2] ? BIT(10) : 0) |
+		(cinfo->mX[3] ? BIT(11) : 0));
+	if (r) {
+		DSSERR("failed to enable HSDIV clocks\n");
+		goto err;
+	}
+
+err:
+	return r;
+}
+
+int dss_pll_write_config_type_b(struct dss_pll *pll,
+		const struct dss_pll_clock_info *cinfo)
+{
+	const struct dss_pll_hw *hw = pll->hw;
+	void __iomem *base = pll->base;
+	u32 l;
+
+	l = 0;
+	l = FLD_MOD(l, cinfo->m, 20, 9);	/* PLL_REGM */
+	l = FLD_MOD(l, cinfo->n - 1, 8, 1);	/* PLL_REGN */
+	writel_relaxed(l, base + PLL_CONFIGURATION1);
+
+	l = readl_relaxed(base + PLL_CONFIGURATION2);
+	l = FLD_MOD(l, 0x0, 12, 12);	/* PLL_HIGHFREQ divide by 2 */
+	l = FLD_MOD(l, 0x1, 13, 13);	/* PLL_REFEN */
+	l = FLD_MOD(l, 0x0, 14, 14);	/* PHY_CLKINEN */
+	if (hw->has_refsel)
+		l = FLD_MOD(l, 0x3, 22, 21);	/* REFSEL = SYSCLK */
+
+	/* PLL_SELFREQDCO */
+	if (cinfo->clkdco > hw->clkdco_low)
+		l = FLD_MOD(l, 0x4, 3, 1);
+	else
+		l = FLD_MOD(l, 0x2, 3, 1);
+	writel_relaxed(l, base + PLL_CONFIGURATION2);
+
+	l = readl_relaxed(base + PLL_CONFIGURATION3);
+	l = FLD_MOD(l, cinfo->sd, 17, 10);	/* PLL_REGSD */
+	writel_relaxed(l, base + PLL_CONFIGURATION3);
+
+	l = readl_relaxed(base + PLL_CONFIGURATION4);
+	l = FLD_MOD(l, cinfo->mX[0], 24, 18);	/* PLL_REGM2 */
+	l = FLD_MOD(l, cinfo->mf, 17, 0);	/* PLL_REGM_F */
+	writel_relaxed(l, base + PLL_CONFIGURATION4);
+
+	writel_relaxed(1, base + PLL_GO);	/* PLL_GO */
+
+	if (wait_for_bit_change(base + PLL_GO, 0, 0) != 0) {
+		DSSERR("DSS DPLL GO bit not going down.\n");
+		return -EIO;
+	}
+
+	if (wait_for_bit_change(base + PLL_STATUS, 1, 1) != 1) {
+		DSSERR("cannot lock DSS DPLL\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/sdi.c b/drivers/video/fbdev/omap2/omapfb/dss/sdi.c
new file mode 100644
index 000000000..002f07f54
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/sdi.c
@@ -0,0 +1,443 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/sdi.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ */
+
+#define DSS_SUBSYS_NAME "SDI"
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/regulator/consumer.h>
+#include <linux/export.h>
+#include <linux/platform_device.h>
+#include <linux/string.h>
+#include <linux/of.h>
+#include <linux/component.h>
+
+#include <video/omapfb_dss.h>
+#include "dss.h"
+
+static struct {
+	struct platform_device *pdev;
+
+	bool update_enabled;
+	struct regulator *vdds_sdi_reg;
+
+	struct dss_lcd_mgr_config mgr_config;
+	struct omap_video_timings timings;
+	int datapairs;
+
+	struct omap_dss_device output;
+
+	bool port_initialized;
+} sdi;
+
+struct sdi_clk_calc_ctx {
+	unsigned long pck_min, pck_max;
+
+	unsigned long fck;
+	struct dispc_clock_info dispc_cinfo;
+};
+
+static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
+		unsigned long pck, void *data)
+{
+	struct sdi_clk_calc_ctx *ctx = data;
+
+	ctx->dispc_cinfo.lck_div = lckd;
+	ctx->dispc_cinfo.pck_div = pckd;
+	ctx->dispc_cinfo.lck = lck;
+	ctx->dispc_cinfo.pck = pck;
+
+	return true;
+}
+
+static bool dpi_calc_dss_cb(unsigned long fck, void *data)
+{
+	struct sdi_clk_calc_ctx *ctx = data;
+
+	ctx->fck = fck;
+
+	return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max,
+			dpi_calc_dispc_cb, ctx);
+}
+
+static int sdi_calc_clock_div(unsigned long pclk,
+		unsigned long *fck,
+		struct dispc_clock_info *dispc_cinfo)
+{
+	int i;
+	struct sdi_clk_calc_ctx ctx;
+
+	/*
+	 * DSS fclk gives us very few possibilities, so finding a good pixel
+	 * clock may not be possible. We try multiple times to find the clock,
+	 * each time widening the pixel clock range we look for, up to
+	 * +/- 1MHz.
+	 */
+
+	for (i = 0; i < 10; ++i) {
+		bool ok;
+
+		memset(&ctx, 0, sizeof(ctx));
+		if (pclk > 1000 * i * i * i)
+			ctx.pck_min = max(pclk - 1000 * i * i * i, 0lu);
+		else
+			ctx.pck_min = 0;
+		ctx.pck_max = pclk + 1000 * i * i * i;
+
+		ok = dss_div_calc(pclk, ctx.pck_min, dpi_calc_dss_cb, &ctx);
+		if (ok) {
+			*fck = ctx.fck;
+			*dispc_cinfo = ctx.dispc_cinfo;
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static void sdi_config_lcd_manager(struct omap_dss_device *dssdev)
+{
+	struct omap_overlay_manager *mgr = sdi.output.manager;
+
+	sdi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
+
+	sdi.mgr_config.stallmode = false;
+	sdi.mgr_config.fifohandcheck = false;
+
+	sdi.mgr_config.video_port_width = 24;
+	sdi.mgr_config.lcden_sig_polarity = 1;
+
+	dss_mgr_set_lcd_config(mgr, &sdi.mgr_config);
+}
+
+static int sdi_display_enable(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_device *out = &sdi.output;
+	struct omap_video_timings *t = &sdi.timings;
+	unsigned long fck;
+	struct dispc_clock_info dispc_cinfo;
+	unsigned long pck;
+	int r;
+
+	if (out->manager == NULL) {
+		DSSERR("failed to enable display: no output/manager\n");
+		return -ENODEV;
+	}
+
+	r = regulator_enable(sdi.vdds_sdi_reg);
+	if (r)
+		goto err_reg_enable;
+
+	r = dispc_runtime_get();
+	if (r)
+		goto err_get_dispc;
+
+	/* 15.5.9.1.2 */
+	t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+	t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
+
+	r = sdi_calc_clock_div(t->pixelclock, &fck, &dispc_cinfo);
+	if (r)
+		goto err_calc_clock_div;
+
+	sdi.mgr_config.clock_info = dispc_cinfo;
+
+	pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div;
+
+	if (pck != t->pixelclock) {
+		DSSWARN("Could not find exact pixel clock. Requested %d Hz, got %lu Hz\n",
+			t->pixelclock, pck);
+
+		t->pixelclock = pck;
+	}
+
+
+	dss_mgr_set_timings(out->manager, t);
+
+	r = dss_set_fck_rate(fck);
+	if (r)
+		goto err_set_dss_clock_div;
+
+	sdi_config_lcd_manager(dssdev);
+
+	/*
+	 * LCLK and PCLK divisors are located in shadow registers, and we
+	 * normally write them to DISPC registers when enabling the output.
+	 * However, SDI uses pck-free as source clock for its PLL, and pck-free
+	 * is affected by the divisors. And as we need the PLL before enabling
+	 * the output, we need to write the divisors early.
+	 *
+	 * It seems just writing to the DISPC register is enough, and we don't
+	 * need to care about the shadow register mechanism for pck-free. The
+	 * exact reason for this is unknown.
+	 */
+	dispc_mgr_set_clock_div(out->manager->id, &sdi.mgr_config.clock_info);
+
+	dss_sdi_init(sdi.datapairs);
+	r = dss_sdi_enable();
+	if (r)
+		goto err_sdi_enable;
+	mdelay(2);
+
+	r = dss_mgr_enable(out->manager);
+	if (r)
+		goto err_mgr_enable;
+
+	return 0;
+
+err_mgr_enable:
+	dss_sdi_disable();
+err_sdi_enable:
+err_set_dss_clock_div:
+err_calc_clock_div:
+	dispc_runtime_put();
+err_get_dispc:
+	regulator_disable(sdi.vdds_sdi_reg);
+err_reg_enable:
+	return r;
+}
+
+static void sdi_display_disable(struct omap_dss_device *dssdev)
+{
+	struct omap_overlay_manager *mgr = sdi.output.manager;
+
+	dss_mgr_disable(mgr);
+
+	dss_sdi_disable();
+
+	dispc_runtime_put();
+
+	regulator_disable(sdi.vdds_sdi_reg);
+}
+
+static void sdi_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	sdi.timings = *timings;
+}
+
+static void sdi_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = sdi.timings;
+}
+
+static int sdi_check_timings(struct omap_dss_device *dssdev,
+			struct omap_video_timings *timings)
+{
+	struct omap_overlay_manager *mgr = sdi.output.manager;
+
+	if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
+		return -EINVAL;
+
+	if (timings->pixelclock == 0)
+		return -EINVAL;
+
+	return 0;
+}
+
+static void sdi_set_datapairs(struct omap_dss_device *dssdev, int datapairs)
+{
+	sdi.datapairs = datapairs;
+}
+
+static int sdi_init_regulator(void)
+{
+	struct regulator *vdds_sdi;
+
+	if (sdi.vdds_sdi_reg)
+		return 0;
+
+	vdds_sdi = devm_regulator_get(&sdi.pdev->dev, "vdds_sdi");
+	if (IS_ERR(vdds_sdi)) {
+		if (PTR_ERR(vdds_sdi) != -EPROBE_DEFER)
+			DSSERR("can't get VDDS_SDI regulator\n");
+		return PTR_ERR(vdds_sdi);
+	}
+
+	sdi.vdds_sdi_reg = vdds_sdi;
+
+	return 0;
+}
+
+static int sdi_connect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	struct omap_overlay_manager *mgr;
+	int r;
+
+	r = sdi_init_regulator();
+	if (r)
+		return r;
+
+	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
+	if (!mgr)
+		return -ENODEV;
+
+	r = dss_mgr_connect(mgr, dssdev);
+	if (r)
+		return r;
+
+	r = omapdss_output_set_device(dssdev, dst);
+	if (r) {
+		DSSERR("failed to connect output to new device: %s\n",
+				dst->name);
+		dss_mgr_disconnect(mgr, dssdev);
+		return r;
+	}
+
+	return 0;
+}
+
+static void sdi_disconnect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	WARN_ON(dst != dssdev->dst);
+
+	if (dst != dssdev->dst)
+		return;
+
+	omapdss_output_unset_device(dssdev);
+
+	if (dssdev->manager)
+		dss_mgr_disconnect(dssdev->manager, dssdev);
+}
+
+static const struct omapdss_sdi_ops sdi_ops = {
+	.connect = sdi_connect,
+	.disconnect = sdi_disconnect,
+
+	.enable = sdi_display_enable,
+	.disable = sdi_display_disable,
+
+	.check_timings = sdi_check_timings,
+	.set_timings = sdi_set_timings,
+	.get_timings = sdi_get_timings,
+
+	.set_datapairs = sdi_set_datapairs,
+};
+
+static void sdi_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &sdi.output;
+
+	out->dev = &pdev->dev;
+	out->id = OMAP_DSS_OUTPUT_SDI;
+	out->output_type = OMAP_DISPLAY_TYPE_SDI;
+	out->name = "sdi.0";
+	out->dispc_channel = OMAP_DSS_CHANNEL_LCD;
+	/* We have SDI only on OMAP3, where it's on port 1 */
+	out->port_num = 1;
+	out->ops.sdi = &sdi_ops;
+	out->owner = THIS_MODULE;
+
+	omapdss_register_output(out);
+}
+
+static void sdi_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &sdi.output;
+
+	omapdss_unregister_output(out);
+}
+
+static int sdi_bind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	sdi.pdev = pdev;
+
+	sdi_init_output(pdev);
+
+	return 0;
+}
+
+static void sdi_unbind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	sdi_uninit_output(pdev);
+}
+
+static const struct component_ops sdi_component_ops = {
+	.bind	= sdi_bind,
+	.unbind	= sdi_unbind,
+};
+
+static int sdi_probe(struct platform_device *pdev)
+{
+	return component_add(&pdev->dev, &sdi_component_ops);
+}
+
+static int sdi_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &sdi_component_ops);
+	return 0;
+}
+
+static struct platform_driver omap_sdi_driver = {
+	.probe		= sdi_probe,
+	.remove         = sdi_remove,
+	.driver         = {
+		.name   = "omapdss_sdi",
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init sdi_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_sdi_driver);
+}
+
+void sdi_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omap_sdi_driver);
+}
+
+int sdi_init_port(struct platform_device *pdev, struct device_node *port)
+{
+	struct device_node *ep;
+	u32 datapairs;
+	int r;
+
+	ep = omapdss_of_get_next_endpoint(port, NULL);
+	if (!ep)
+		return 0;
+
+	r = of_property_read_u32(ep, "datapairs", &datapairs);
+	if (r) {
+		DSSERR("failed to parse datapairs\n");
+		goto err_datapairs;
+	}
+
+	sdi.datapairs = datapairs;
+
+	of_node_put(ep);
+
+	sdi.pdev = pdev;
+
+	sdi_init_output(pdev);
+
+	sdi.port_initialized = true;
+
+	return 0;
+
+err_datapairs:
+	of_node_put(ep);
+
+	return r;
+}
+
+void sdi_uninit_port(struct device_node *port)
+{
+	if (!sdi.port_initialized)
+		return;
+
+	sdi_uninit_output(sdi.pdev);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/venc.c b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
new file mode 100644
index 000000000..78a7309d2
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
@@ -0,0 +1,942 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/drivers/video/omap2/dss/venc.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * VENC settings from TI's DSS driver
+ */
+
+#define DSS_SUBSYS_NAME "VENC"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/seq_file.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/component.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+/* Venc registers */
+#define VENC_REV_ID				0x00
+#define VENC_STATUS				0x04
+#define VENC_F_CONTROL				0x08
+#define VENC_VIDOUT_CTRL			0x10
+#define VENC_SYNC_CTRL				0x14
+#define VENC_LLEN				0x1C
+#define VENC_FLENS				0x20
+#define VENC_HFLTR_CTRL				0x24
+#define VENC_CC_CARR_WSS_CARR			0x28
+#define VENC_C_PHASE				0x2C
+#define VENC_GAIN_U				0x30
+#define VENC_GAIN_V				0x34
+#define VENC_GAIN_Y				0x38
+#define VENC_BLACK_LEVEL			0x3C
+#define VENC_BLANK_LEVEL			0x40
+#define VENC_X_COLOR				0x44
+#define VENC_M_CONTROL				0x48
+#define VENC_BSTAMP_WSS_DATA			0x4C
+#define VENC_S_CARR				0x50
+#define VENC_LINE21				0x54
+#define VENC_LN_SEL				0x58
+#define VENC_L21__WC_CTL			0x5C
+#define VENC_HTRIGGER_VTRIGGER			0x60
+#define VENC_SAVID__EAVID			0x64
+#define VENC_FLEN__FAL				0x68
+#define VENC_LAL__PHASE_RESET			0x6C
+#define VENC_HS_INT_START_STOP_X		0x70
+#define VENC_HS_EXT_START_STOP_X		0x74
+#define VENC_VS_INT_START_X			0x78
+#define VENC_VS_INT_STOP_X__VS_INT_START_Y	0x7C
+#define VENC_VS_INT_STOP_Y__VS_EXT_START_X	0x80
+#define VENC_VS_EXT_STOP_X__VS_EXT_START_Y	0x84
+#define VENC_VS_EXT_STOP_Y			0x88
+#define VENC_AVID_START_STOP_X			0x90
+#define VENC_AVID_START_STOP_Y			0x94
+#define VENC_FID_INT_START_X__FID_INT_START_Y	0xA0
+#define VENC_FID_INT_OFFSET_Y__FID_EXT_START_X	0xA4
+#define VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y	0xA8
+#define VENC_TVDETGP_INT_START_STOP_X		0xB0
+#define VENC_TVDETGP_INT_START_STOP_Y		0xB4
+#define VENC_GEN_CTRL				0xB8
+#define VENC_OUTPUT_CONTROL			0xC4
+#define VENC_OUTPUT_TEST			0xC8
+#define VENC_DAC_B__DAC_C			0xC8
+
+struct venc_config {
+	u32 f_control;
+	u32 vidout_ctrl;
+	u32 sync_ctrl;
+	u32 llen;
+	u32 flens;
+	u32 hfltr_ctrl;
+	u32 cc_carr_wss_carr;
+	u32 c_phase;
+	u32 gain_u;
+	u32 gain_v;
+	u32 gain_y;
+	u32 black_level;
+	u32 blank_level;
+	u32 x_color;
+	u32 m_control;
+	u32 bstamp_wss_data;
+	u32 s_carr;
+	u32 line21;
+	u32 ln_sel;
+	u32 l21__wc_ctl;
+	u32 htrigger_vtrigger;
+	u32 savid__eavid;
+	u32 flen__fal;
+	u32 lal__phase_reset;
+	u32 hs_int_start_stop_x;
+	u32 hs_ext_start_stop_x;
+	u32 vs_int_start_x;
+	u32 vs_int_stop_x__vs_int_start_y;
+	u32 vs_int_stop_y__vs_ext_start_x;
+	u32 vs_ext_stop_x__vs_ext_start_y;
+	u32 vs_ext_stop_y;
+	u32 avid_start_stop_x;
+	u32 avid_start_stop_y;
+	u32 fid_int_start_x__fid_int_start_y;
+	u32 fid_int_offset_y__fid_ext_start_x;
+	u32 fid_ext_start_y__fid_ext_offset_y;
+	u32 tvdetgp_int_start_stop_x;
+	u32 tvdetgp_int_start_stop_y;
+	u32 gen_ctrl;
+};
+
+/* from TRM */
+static const struct venc_config venc_config_pal_trm = {
+	.f_control				= 0,
+	.vidout_ctrl				= 1,
+	.sync_ctrl				= 0x40,
+	.llen					= 0x35F, /* 863 */
+	.flens					= 0x270, /* 624 */
+	.hfltr_ctrl				= 0,
+	.cc_carr_wss_carr			= 0x2F7225ED,
+	.c_phase				= 0,
+	.gain_u					= 0x111,
+	.gain_v					= 0x181,
+	.gain_y					= 0x140,
+	.black_level				= 0x3B,
+	.blank_level				= 0x3B,
+	.x_color				= 0x7,
+	.m_control				= 0x2,
+	.bstamp_wss_data			= 0x3F,
+	.s_carr					= 0x2A098ACB,
+	.line21					= 0,
+	.ln_sel					= 0x01290015,
+	.l21__wc_ctl				= 0x0000F603,
+	.htrigger_vtrigger			= 0,
+
+	.savid__eavid				= 0x06A70108,
+	.flen__fal				= 0x00180270,
+	.lal__phase_reset			= 0x00040135,
+	.hs_int_start_stop_x			= 0x00880358,
+	.hs_ext_start_stop_x			= 0x000F035F,
+	.vs_int_start_x				= 0x01A70000,
+	.vs_int_stop_x__vs_int_start_y		= 0x000001A7,
+	.vs_int_stop_y__vs_ext_start_x		= 0x01AF0000,
+	.vs_ext_stop_x__vs_ext_start_y		= 0x000101AF,
+	.vs_ext_stop_y				= 0x00000025,
+	.avid_start_stop_x			= 0x03530083,
+	.avid_start_stop_y			= 0x026C002E,
+	.fid_int_start_x__fid_int_start_y	= 0x0001008A,
+	.fid_int_offset_y__fid_ext_start_x	= 0x002E0138,
+	.fid_ext_start_y__fid_ext_offset_y	= 0x01380001,
+
+	.tvdetgp_int_start_stop_x		= 0x00140001,
+	.tvdetgp_int_start_stop_y		= 0x00010001,
+	.gen_ctrl				= 0x00FF0000,
+};
+
+/* from TRM */
+static const struct venc_config venc_config_ntsc_trm = {
+	.f_control				= 0,
+	.vidout_ctrl				= 1,
+	.sync_ctrl				= 0x8040,
+	.llen					= 0x359,
+	.flens					= 0x20C,
+	.hfltr_ctrl				= 0,
+	.cc_carr_wss_carr			= 0x043F2631,
+	.c_phase				= 0,
+	.gain_u					= 0x102,
+	.gain_v					= 0x16C,
+	.gain_y					= 0x12F,
+	.black_level				= 0x43,
+	.blank_level				= 0x38,
+	.x_color				= 0x7,
+	.m_control				= 0x1,
+	.bstamp_wss_data			= 0x38,
+	.s_carr					= 0x21F07C1F,
+	.line21					= 0,
+	.ln_sel					= 0x01310011,
+	.l21__wc_ctl				= 0x0000F003,
+	.htrigger_vtrigger			= 0,
+
+	.savid__eavid				= 0x069300F4,
+	.flen__fal				= 0x0016020C,
+	.lal__phase_reset			= 0x00060107,
+	.hs_int_start_stop_x			= 0x008E0350,
+	.hs_ext_start_stop_x			= 0x000F0359,
+	.vs_int_start_x				= 0x01A00000,
+	.vs_int_stop_x__vs_int_start_y		= 0x020701A0,
+	.vs_int_stop_y__vs_ext_start_x		= 0x01AC0024,
+	.vs_ext_stop_x__vs_ext_start_y		= 0x020D01AC,
+	.vs_ext_stop_y				= 0x00000006,
+	.avid_start_stop_x			= 0x03480078,
+	.avid_start_stop_y			= 0x02060024,
+	.fid_int_start_x__fid_int_start_y	= 0x0001008A,
+	.fid_int_offset_y__fid_ext_start_x	= 0x01AC0106,
+	.fid_ext_start_y__fid_ext_offset_y	= 0x01060006,
+
+	.tvdetgp_int_start_stop_x		= 0x00140001,
+	.tvdetgp_int_start_stop_y		= 0x00010001,
+	.gen_ctrl				= 0x00F90000,
+};
+
+const struct omap_video_timings omap_dss_pal_timings = {
+	.x_res		= 720,
+	.y_res		= 574,
+	.pixelclock	= 13500000,
+	.hsw		= 64,
+	.hfp		= 12,
+	.hbp		= 68,
+	.vsw		= 5,
+	.vfp		= 5,
+	.vbp		= 41,
+
+	.interlace	= true,
+};
+EXPORT_SYMBOL(omap_dss_pal_timings);
+
+const struct omap_video_timings omap_dss_ntsc_timings = {
+	.x_res		= 720,
+	.y_res		= 482,
+	.pixelclock	= 13500000,
+	.hsw		= 64,
+	.hfp		= 16,
+	.hbp		= 58,
+	.vsw		= 6,
+	.vfp		= 6,
+	.vbp		= 31,
+
+	.interlace	= true,
+};
+EXPORT_SYMBOL(omap_dss_ntsc_timings);
+
+static struct {
+	struct platform_device *pdev;
+	void __iomem *base;
+	struct mutex venc_lock;
+	u32 wss_data;
+	struct regulator *vdda_dac_reg;
+
+	struct clk	*tv_dac_clk;
+
+	struct omap_video_timings timings;
+	enum omap_dss_venc_type type;
+	bool invert_polarity;
+
+	struct omap_dss_device output;
+} venc;
+
+static inline void venc_write_reg(int idx, u32 val)
+{
+	__raw_writel(val, venc.base + idx);
+}
+
+static inline u32 venc_read_reg(int idx)
+{
+	u32 l = __raw_readl(venc.base + idx);
+	return l;
+}
+
+static void venc_write_config(const struct venc_config *config)
+{
+	DSSDBG("write venc conf\n");
+
+	venc_write_reg(VENC_LLEN, config->llen);
+	venc_write_reg(VENC_FLENS, config->flens);
+	venc_write_reg(VENC_CC_CARR_WSS_CARR, config->cc_carr_wss_carr);
+	venc_write_reg(VENC_C_PHASE, config->c_phase);
+	venc_write_reg(VENC_GAIN_U, config->gain_u);
+	venc_write_reg(VENC_GAIN_V, config->gain_v);
+	venc_write_reg(VENC_GAIN_Y, config->gain_y);
+	venc_write_reg(VENC_BLACK_LEVEL, config->black_level);
+	venc_write_reg(VENC_BLANK_LEVEL, config->blank_level);
+	venc_write_reg(VENC_M_CONTROL, config->m_control);
+	venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
+			venc.wss_data);
+	venc_write_reg(VENC_S_CARR, config->s_carr);
+	venc_write_reg(VENC_L21__WC_CTL, config->l21__wc_ctl);
+	venc_write_reg(VENC_SAVID__EAVID, config->savid__eavid);
+	venc_write_reg(VENC_FLEN__FAL, config->flen__fal);
+	venc_write_reg(VENC_LAL__PHASE_RESET, config->lal__phase_reset);
+	venc_write_reg(VENC_HS_INT_START_STOP_X, config->hs_int_start_stop_x);
+	venc_write_reg(VENC_HS_EXT_START_STOP_X, config->hs_ext_start_stop_x);
+	venc_write_reg(VENC_VS_INT_START_X, config->vs_int_start_x);
+	venc_write_reg(VENC_VS_INT_STOP_X__VS_INT_START_Y,
+		       config->vs_int_stop_x__vs_int_start_y);
+	venc_write_reg(VENC_VS_INT_STOP_Y__VS_EXT_START_X,
+		       config->vs_int_stop_y__vs_ext_start_x);
+	venc_write_reg(VENC_VS_EXT_STOP_X__VS_EXT_START_Y,
+		       config->vs_ext_stop_x__vs_ext_start_y);
+	venc_write_reg(VENC_VS_EXT_STOP_Y, config->vs_ext_stop_y);
+	venc_write_reg(VENC_AVID_START_STOP_X, config->avid_start_stop_x);
+	venc_write_reg(VENC_AVID_START_STOP_Y, config->avid_start_stop_y);
+	venc_write_reg(VENC_FID_INT_START_X__FID_INT_START_Y,
+		       config->fid_int_start_x__fid_int_start_y);
+	venc_write_reg(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X,
+		       config->fid_int_offset_y__fid_ext_start_x);
+	venc_write_reg(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y,
+		       config->fid_ext_start_y__fid_ext_offset_y);
+
+	venc_write_reg(VENC_DAC_B__DAC_C,  venc_read_reg(VENC_DAC_B__DAC_C));
+	venc_write_reg(VENC_VIDOUT_CTRL, config->vidout_ctrl);
+	venc_write_reg(VENC_HFLTR_CTRL, config->hfltr_ctrl);
+	venc_write_reg(VENC_X_COLOR, config->x_color);
+	venc_write_reg(VENC_LINE21, config->line21);
+	venc_write_reg(VENC_LN_SEL, config->ln_sel);
+	venc_write_reg(VENC_HTRIGGER_VTRIGGER, config->htrigger_vtrigger);
+	venc_write_reg(VENC_TVDETGP_INT_START_STOP_X,
+		       config->tvdetgp_int_start_stop_x);
+	venc_write_reg(VENC_TVDETGP_INT_START_STOP_Y,
+		       config->tvdetgp_int_start_stop_y);
+	venc_write_reg(VENC_GEN_CTRL, config->gen_ctrl);
+	venc_write_reg(VENC_F_CONTROL, config->f_control);
+	venc_write_reg(VENC_SYNC_CTRL, config->sync_ctrl);
+}
+
+static void venc_reset(void)
+{
+	int t = 1000;
+
+	venc_write_reg(VENC_F_CONTROL, 1<<8);
+	while (venc_read_reg(VENC_F_CONTROL) & (1<<8)) {
+		if (--t == 0) {
+			DSSERR("Failed to reset venc\n");
+			return;
+		}
+	}
+
+#ifdef CONFIG_FB_OMAP2_DSS_SLEEP_AFTER_VENC_RESET
+	/* the magical sleep that makes things work */
+	/* XXX more info? What bug this circumvents? */
+	msleep(20);
+#endif
+}
+
+static int venc_runtime_get(void)
+{
+	int r;
+
+	DSSDBG("venc_runtime_get\n");
+
+	r = pm_runtime_resume_and_get(&venc.pdev->dev);
+	if (WARN_ON(r < 0))
+		return r;
+	return 0;
+}
+
+static void venc_runtime_put(void)
+{
+	int r;
+
+	DSSDBG("venc_runtime_put\n");
+
+	r = pm_runtime_put_sync(&venc.pdev->dev);
+	WARN_ON(r < 0 && r != -ENOSYS);
+}
+
+static const struct venc_config *venc_timings_to_config(
+		struct omap_video_timings *timings)
+{
+	if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
+		return &venc_config_pal_trm;
+
+	if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
+		return &venc_config_ntsc_trm;
+
+	BUG();
+	return NULL;
+}
+
+static int venc_power_on(struct omap_dss_device *dssdev)
+{
+	struct omap_overlay_manager *mgr = venc.output.manager;
+	u32 l;
+	int r;
+
+	r = venc_runtime_get();
+	if (r)
+		goto err0;
+
+	venc_reset();
+	venc_write_config(venc_timings_to_config(&venc.timings));
+
+	dss_set_venc_output(venc.type);
+	dss_set_dac_pwrdn_bgz(1);
+
+	l = 0;
+
+	if (venc.type == OMAP_DSS_VENC_TYPE_COMPOSITE)
+		l |= 1 << 1;
+	else /* S-Video */
+		l |= (1 << 0) | (1 << 2);
+
+	if (venc.invert_polarity == false)
+		l |= 1 << 3;
+
+	venc_write_reg(VENC_OUTPUT_CONTROL, l);
+
+	dss_mgr_set_timings(mgr, &venc.timings);
+
+	r = regulator_enable(venc.vdda_dac_reg);
+	if (r)
+		goto err1;
+
+	r = dss_mgr_enable(mgr);
+	if (r)
+		goto err2;
+
+	return 0;
+
+err2:
+	regulator_disable(venc.vdda_dac_reg);
+err1:
+	venc_write_reg(VENC_OUTPUT_CONTROL, 0);
+	dss_set_dac_pwrdn_bgz(0);
+
+	venc_runtime_put();
+err0:
+	return r;
+}
+
+static void venc_power_off(struct omap_dss_device *dssdev)
+{
+	struct omap_overlay_manager *mgr = venc.output.manager;
+
+	venc_write_reg(VENC_OUTPUT_CONTROL, 0);
+	dss_set_dac_pwrdn_bgz(0);
+
+	dss_mgr_disable(mgr);
+
+	regulator_disable(venc.vdda_dac_reg);
+
+	venc_runtime_put();
+}
+
+static int venc_display_enable(struct omap_dss_device *dssdev)
+{
+	struct omap_dss_device *out = &venc.output;
+	int r;
+
+	DSSDBG("venc_display_enable\n");
+
+	mutex_lock(&venc.venc_lock);
+
+	if (out->manager == NULL) {
+		DSSERR("Failed to enable display: no output/manager\n");
+		r = -ENODEV;
+		goto err0;
+	}
+
+	r = venc_power_on(dssdev);
+	if (r)
+		goto err0;
+
+	venc.wss_data = 0;
+
+	mutex_unlock(&venc.venc_lock);
+
+	return 0;
+err0:
+	mutex_unlock(&venc.venc_lock);
+	return r;
+}
+
+static void venc_display_disable(struct omap_dss_device *dssdev)
+{
+	DSSDBG("venc_display_disable\n");
+
+	mutex_lock(&venc.venc_lock);
+
+	venc_power_off(dssdev);
+
+	mutex_unlock(&venc.venc_lock);
+}
+
+static void venc_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	DSSDBG("venc_set_timings\n");
+
+	mutex_lock(&venc.venc_lock);
+
+	/* Reset WSS data when the TV standard changes. */
+	if (memcmp(&venc.timings, timings, sizeof(*timings)))
+		venc.wss_data = 0;
+
+	venc.timings = *timings;
+
+	dispc_set_tv_pclk(13500000);
+
+	mutex_unlock(&venc.venc_lock);
+}
+
+static int venc_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	DSSDBG("venc_check_timings\n");
+
+	if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
+		return 0;
+
+	if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
+		return 0;
+
+	return -EINVAL;
+}
+
+static void venc_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	mutex_lock(&venc.venc_lock);
+
+	*timings = venc.timings;
+
+	mutex_unlock(&venc.venc_lock);
+}
+
+static u32 venc_get_wss(struct omap_dss_device *dssdev)
+{
+	/* Invert due to VENC_L21_WC_CTL:INV=1 */
+	return (venc.wss_data >> 8) ^ 0xfffff;
+}
+
+static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
+{
+	const struct venc_config *config;
+	int r;
+
+	DSSDBG("venc_set_wss\n");
+
+	mutex_lock(&venc.venc_lock);
+
+	config = venc_timings_to_config(&venc.timings);
+
+	/* Invert due to VENC_L21_WC_CTL:INV=1 */
+	venc.wss_data = (wss ^ 0xfffff) << 8;
+
+	r = venc_runtime_get();
+	if (r)
+		goto err;
+
+	venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
+			venc.wss_data);
+
+	venc_runtime_put();
+
+err:
+	mutex_unlock(&venc.venc_lock);
+
+	return r;
+}
+
+static void venc_set_type(struct omap_dss_device *dssdev,
+		enum omap_dss_venc_type type)
+{
+	mutex_lock(&venc.venc_lock);
+
+	venc.type = type;
+
+	mutex_unlock(&venc.venc_lock);
+}
+
+static void venc_invert_vid_out_polarity(struct omap_dss_device *dssdev,
+		bool invert_polarity)
+{
+	mutex_lock(&venc.venc_lock);
+
+	venc.invert_polarity = invert_polarity;
+
+	mutex_unlock(&venc.venc_lock);
+}
+
+static int venc_init_regulator(void)
+{
+	struct regulator *vdda_dac;
+
+	if (venc.vdda_dac_reg != NULL)
+		return 0;
+
+	if (venc.pdev->dev.of_node)
+		vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda");
+	else
+		vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac");
+
+	if (IS_ERR(vdda_dac)) {
+		if (PTR_ERR(vdda_dac) != -EPROBE_DEFER)
+			DSSERR("can't get VDDA_DAC regulator\n");
+		return PTR_ERR(vdda_dac);
+	}
+
+	venc.vdda_dac_reg = vdda_dac;
+
+	return 0;
+}
+
+static void venc_dump_regs(struct seq_file *s)
+{
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
+
+	if (venc_runtime_get())
+		return;
+
+	DUMPREG(VENC_F_CONTROL);
+	DUMPREG(VENC_VIDOUT_CTRL);
+	DUMPREG(VENC_SYNC_CTRL);
+	DUMPREG(VENC_LLEN);
+	DUMPREG(VENC_FLENS);
+	DUMPREG(VENC_HFLTR_CTRL);
+	DUMPREG(VENC_CC_CARR_WSS_CARR);
+	DUMPREG(VENC_C_PHASE);
+	DUMPREG(VENC_GAIN_U);
+	DUMPREG(VENC_GAIN_V);
+	DUMPREG(VENC_GAIN_Y);
+	DUMPREG(VENC_BLACK_LEVEL);
+	DUMPREG(VENC_BLANK_LEVEL);
+	DUMPREG(VENC_X_COLOR);
+	DUMPREG(VENC_M_CONTROL);
+	DUMPREG(VENC_BSTAMP_WSS_DATA);
+	DUMPREG(VENC_S_CARR);
+	DUMPREG(VENC_LINE21);
+	DUMPREG(VENC_LN_SEL);
+	DUMPREG(VENC_L21__WC_CTL);
+	DUMPREG(VENC_HTRIGGER_VTRIGGER);
+	DUMPREG(VENC_SAVID__EAVID);
+	DUMPREG(VENC_FLEN__FAL);
+	DUMPREG(VENC_LAL__PHASE_RESET);
+	DUMPREG(VENC_HS_INT_START_STOP_X);
+	DUMPREG(VENC_HS_EXT_START_STOP_X);
+	DUMPREG(VENC_VS_INT_START_X);
+	DUMPREG(VENC_VS_INT_STOP_X__VS_INT_START_Y);
+	DUMPREG(VENC_VS_INT_STOP_Y__VS_EXT_START_X);
+	DUMPREG(VENC_VS_EXT_STOP_X__VS_EXT_START_Y);
+	DUMPREG(VENC_VS_EXT_STOP_Y);
+	DUMPREG(VENC_AVID_START_STOP_X);
+	DUMPREG(VENC_AVID_START_STOP_Y);
+	DUMPREG(VENC_FID_INT_START_X__FID_INT_START_Y);
+	DUMPREG(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X);
+	DUMPREG(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y);
+	DUMPREG(VENC_TVDETGP_INT_START_STOP_X);
+	DUMPREG(VENC_TVDETGP_INT_START_STOP_Y);
+	DUMPREG(VENC_GEN_CTRL);
+	DUMPREG(VENC_OUTPUT_CONTROL);
+	DUMPREG(VENC_OUTPUT_TEST);
+
+	venc_runtime_put();
+
+#undef DUMPREG
+}
+
+static int venc_get_clocks(struct platform_device *pdev)
+{
+	struct clk *clk;
+
+	if (dss_has_feature(FEAT_VENC_REQUIRES_TV_DAC_CLK)) {
+		clk = devm_clk_get(&pdev->dev, "tv_dac_clk");
+		if (IS_ERR(clk)) {
+			DSSERR("can't get tv_dac_clk\n");
+			return PTR_ERR(clk);
+		}
+	} else {
+		clk = NULL;
+	}
+
+	venc.tv_dac_clk = clk;
+
+	return 0;
+}
+
+static int venc_connect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	struct omap_overlay_manager *mgr;
+	int r;
+
+	r = venc_init_regulator();
+	if (r)
+		return r;
+
+	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
+	if (!mgr)
+		return -ENODEV;
+
+	r = dss_mgr_connect(mgr, dssdev);
+	if (r)
+		return r;
+
+	r = omapdss_output_set_device(dssdev, dst);
+	if (r) {
+		DSSERR("failed to connect output to new device: %s\n",
+				dst->name);
+		dss_mgr_disconnect(mgr, dssdev);
+		return r;
+	}
+
+	return 0;
+}
+
+static void venc_disconnect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	WARN_ON(dst != dssdev->dst);
+
+	if (dst != dssdev->dst)
+		return;
+
+	omapdss_output_unset_device(dssdev);
+
+	if (dssdev->manager)
+		dss_mgr_disconnect(dssdev->manager, dssdev);
+}
+
+static const struct omapdss_atv_ops venc_ops = {
+	.connect = venc_connect,
+	.disconnect = venc_disconnect,
+
+	.enable = venc_display_enable,
+	.disable = venc_display_disable,
+
+	.check_timings = venc_check_timings,
+	.set_timings = venc_set_timings,
+	.get_timings = venc_get_timings,
+
+	.set_type = venc_set_type,
+	.invert_vid_out_polarity = venc_invert_vid_out_polarity,
+
+	.set_wss = venc_set_wss,
+	.get_wss = venc_get_wss,
+};
+
+static void venc_init_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &venc.output;
+
+	out->dev = &pdev->dev;
+	out->id = OMAP_DSS_OUTPUT_VENC;
+	out->output_type = OMAP_DISPLAY_TYPE_VENC;
+	out->name = "venc.0";
+	out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
+	out->ops.atv = &venc_ops;
+	out->owner = THIS_MODULE;
+
+	omapdss_register_output(out);
+}
+
+static void venc_uninit_output(struct platform_device *pdev)
+{
+	struct omap_dss_device *out = &venc.output;
+
+	omapdss_unregister_output(out);
+}
+
+static int venc_probe_of(struct platform_device *pdev)
+{
+	struct device_node *node = pdev->dev.of_node;
+	struct device_node *ep;
+	u32 channels;
+	int r;
+
+	ep = omapdss_of_get_first_endpoint(node);
+	if (!ep)
+		return 0;
+
+	venc.invert_polarity = of_property_read_bool(ep, "ti,invert-polarity");
+
+	r = of_property_read_u32(ep, "ti,channels", &channels);
+	if (r) {
+		dev_err(&pdev->dev,
+			"failed to read property 'ti,channels': %d\n", r);
+		goto err;
+	}
+
+	switch (channels) {
+	case 1:
+		venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE;
+		break;
+	case 2:
+		venc.type = OMAP_DSS_VENC_TYPE_SVIDEO;
+		break;
+	default:
+		dev_err(&pdev->dev, "bad channel property '%d'\n", channels);
+		r = -EINVAL;
+		goto err;
+	}
+
+	of_node_put(ep);
+
+	return 0;
+err:
+	of_node_put(ep);
+
+	return 0;
+}
+
+/* VENC HW IP initialisation */
+static int venc_bind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	u8 rev_id;
+	struct resource *venc_mem;
+	int r;
+
+	venc.pdev = pdev;
+
+	mutex_init(&venc.venc_lock);
+
+	venc.wss_data = 0;
+
+	venc_mem = platform_get_resource(venc.pdev, IORESOURCE_MEM, 0);
+	if (!venc_mem) {
+		DSSERR("can't get IORESOURCE_MEM VENC\n");
+		return -EINVAL;
+	}
+
+	venc.base = devm_ioremap(&pdev->dev, venc_mem->start,
+				 resource_size(venc_mem));
+	if (!venc.base) {
+		DSSERR("can't ioremap VENC\n");
+		return -ENOMEM;
+	}
+
+	r = venc_get_clocks(pdev);
+	if (r)
+		return r;
+
+	pm_runtime_enable(&pdev->dev);
+
+	r = venc_runtime_get();
+	if (r)
+		goto err_runtime_get;
+
+	rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
+	dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id);
+
+	venc_runtime_put();
+
+	if (pdev->dev.of_node) {
+		r = venc_probe_of(pdev);
+		if (r) {
+			DSSERR("Invalid DT data\n");
+			goto err_probe_of;
+		}
+	}
+
+	dss_debugfs_create_file("venc", venc_dump_regs);
+
+	venc_init_output(pdev);
+
+	return 0;
+
+err_probe_of:
+err_runtime_get:
+	pm_runtime_disable(&pdev->dev);
+	return r;
+}
+
+static void venc_unbind(struct device *dev, struct device *master, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+
+	venc_uninit_output(pdev);
+
+	pm_runtime_disable(&pdev->dev);
+}
+
+static const struct component_ops venc_component_ops = {
+	.bind	= venc_bind,
+	.unbind	= venc_unbind,
+};
+
+static int venc_probe(struct platform_device *pdev)
+{
+	return component_add(&pdev->dev, &venc_component_ops);
+}
+
+static int venc_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &venc_component_ops);
+	return 0;
+}
+
+static int venc_runtime_suspend(struct device *dev)
+{
+	clk_disable_unprepare(venc.tv_dac_clk);
+
+	dispc_runtime_put();
+
+	return 0;
+}
+
+static int venc_runtime_resume(struct device *dev)
+{
+	int r;
+
+	r = dispc_runtime_get();
+	if (r < 0)
+		return r;
+
+	clk_prepare_enable(venc.tv_dac_clk);
+
+	return 0;
+}
+
+static const struct dev_pm_ops venc_pm_ops = {
+	.runtime_suspend = venc_runtime_suspend,
+	.runtime_resume = venc_runtime_resume,
+};
+
+static const struct of_device_id venc_of_match[] = {
+	{ .compatible = "ti,omap2-venc", },
+	{ .compatible = "ti,omap3-venc", },
+	{ .compatible = "ti,omap4-venc", },
+	{},
+};
+
+static struct platform_driver omap_venchw_driver = {
+	.probe		= venc_probe,
+	.remove		= venc_remove,
+	.driver         = {
+		.name   = "omapdss_venc",
+		.pm	= &venc_pm_ops,
+		.of_match_table = venc_of_match,
+		.suppress_bind_attrs = true,
+	},
+};
+
+int __init venc_init_platform_driver(void)
+{
+	return platform_driver_register(&omap_venchw_driver);
+}
+
+void venc_uninit_platform_driver(void)
+{
+	platform_driver_unregister(&omap_venchw_driver);
+}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/video-pll.c b/drivers/video/fbdev/omap2/omapfb/dss/video-pll.c
new file mode 100644
index 000000000..ca430ca69
--- /dev/null
+++ b/drivers/video/fbdev/omap2/omapfb/dss/video-pll.c
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+* Copyright (C) 2014 Texas Instruments Ltd
+*/
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+
+#include <video/omapfb_dss.h>
+
+#include "dss.h"
+#include "dss_features.h"
+
+struct dss_video_pll {
+	struct dss_pll pll;
+
+	struct device *dev;
+
+	void __iomem *clkctrl_base;
+};
+
+#define REG_MOD(reg, val, start, end) \
+	writel_relaxed(FLD_MOD(readl_relaxed(reg), val, start, end), reg)
+
+static void dss_dpll_enable_scp_clk(struct dss_video_pll *vpll)
+{
+	REG_MOD(vpll->clkctrl_base, 1, 14, 14); /* CIO_CLK_ICG */
+}
+
+static void dss_dpll_disable_scp_clk(struct dss_video_pll *vpll)
+{
+	REG_MOD(vpll->clkctrl_base, 0, 14, 14); /* CIO_CLK_ICG */
+}
+
+static void dss_dpll_power_enable(struct dss_video_pll *vpll)
+{
+	REG_MOD(vpll->clkctrl_base, 2, 31, 30); /* PLL_POWER_ON_ALL */
+
+	/*
+	 * DRA7x PLL CTRL's PLL_PWR_STATUS seems to always return 0,
+	 * so we have to use fixed delay here.
+	 */
+	msleep(1);
+}
+
+static void dss_dpll_power_disable(struct dss_video_pll *vpll)
+{
+	REG_MOD(vpll->clkctrl_base, 0, 31, 30);	/* PLL_POWER_OFF */
+}
+
+static int dss_video_pll_enable(struct dss_pll *pll)
+{
+	struct dss_video_pll *vpll = container_of(pll, struct dss_video_pll, pll);
+	int r;
+
+	r = dss_runtime_get();
+	if (r)
+		return r;
+
+	dss_ctrl_pll_enable(pll->id, true);
+
+	dss_dpll_enable_scp_clk(vpll);
+
+	r = dss_pll_wait_reset_done(pll);
+	if (r)
+		goto err_reset;
+
+	dss_dpll_power_enable(vpll);
+
+	return 0;
+
+err_reset:
+	dss_dpll_disable_scp_clk(vpll);
+	dss_ctrl_pll_enable(pll->id, false);
+	dss_runtime_put();
+
+	return r;
+}
+
+static void dss_video_pll_disable(struct dss_pll *pll)
+{
+	struct dss_video_pll *vpll = container_of(pll, struct dss_video_pll, pll);
+
+	dss_dpll_power_disable(vpll);
+
+	dss_dpll_disable_scp_clk(vpll);
+
+	dss_ctrl_pll_enable(pll->id, false);
+
+	dss_runtime_put();
+}
+
+static const struct dss_pll_ops dss_pll_ops = {
+	.enable = dss_video_pll_enable,
+	.disable = dss_video_pll_disable,
+	.set_config = dss_pll_write_config_type_a,
+};
+
+static const struct dss_pll_hw dss_dra7_video_pll_hw = {
+	.n_max = (1 << 8) - 1,
+	.m_max = (1 << 12) - 1,
+	.mX_max = (1 << 5) - 1,
+	.fint_min = 500000,
+	.fint_max = 2500000,
+	.clkdco_max = 1800000000,
+
+	.n_msb = 8,
+	.n_lsb = 1,
+	.m_msb = 20,
+	.m_lsb = 9,
+
+	.mX_msb[0] = 25,
+	.mX_lsb[0] = 21,
+	.mX_msb[1] = 30,
+	.mX_lsb[1] = 26,
+
+	.has_refsel = true,
+};
+
+struct dss_pll *dss_video_pll_init(struct platform_device *pdev, int id,
+	struct regulator *regulator)
+{
+	const char * const reg_name[] = { "pll1", "pll2" };
+	const char * const clkctrl_name[] = { "pll1_clkctrl", "pll2_clkctrl" };
+	const char * const clkin_name[] = { "video1_clk", "video2_clk" };
+
+	struct dss_video_pll *vpll;
+	void __iomem *pll_base, *clkctrl_base;
+	struct clk *clk;
+	struct dss_pll *pll;
+	int r;
+
+	/* PLL CONTROL */
+
+	pll_base = devm_platform_ioremap_resource_byname(pdev, reg_name[id]);
+	if (IS_ERR(pll_base)) {
+		dev_err(&pdev->dev, "failed to ioremap pll%d reg_name\n", id);
+		return ERR_CAST(pll_base);
+	}
+
+	/* CLOCK CONTROL */
+
+	clkctrl_base = devm_platform_ioremap_resource_byname(pdev, clkctrl_name[id]);
+	if (IS_ERR(clkctrl_base)) {
+		dev_err(&pdev->dev, "failed to ioremap pll%d clkctrl\n", id);
+		return ERR_CAST(clkctrl_base);
+	}
+
+	/* CLKIN */
+
+	clk = devm_clk_get(&pdev->dev, clkin_name[id]);
+	if (IS_ERR(clk)) {
+		DSSERR("can't get video pll clkin\n");
+		return ERR_CAST(clk);
+	}
+
+	vpll = devm_kzalloc(&pdev->dev, sizeof(*vpll), GFP_KERNEL);
+	if (!vpll)
+		return ERR_PTR(-ENOMEM);
+
+	vpll->dev = &pdev->dev;
+	vpll->clkctrl_base = clkctrl_base;
+
+	pll = &vpll->pll;
+
+	pll->name = id == 0 ? "video0" : "video1";
+	pll->id = id == 0 ? DSS_PLL_VIDEO1 : DSS_PLL_VIDEO2;
+	pll->clkin = clk;
+	pll->regulator = regulator;
+	pll->base = pll_base;
+	pll->hw = &dss_dra7_video_pll_hw;
+	pll->ops = &dss_pll_ops;
+
+	r = dss_pll_register(pll);
+	if (r)
+		return ERR_PTR(r);
+
+	return pll;
+}
+
+void dss_video_pll_uninit(struct dss_pll *pll)
+{
+	dss_pll_unregister(pll);
+}
-- 
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