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path: root/drivers/gpu/drm/exynos/exynos_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_hdmi.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c2135
1 files changed, 2135 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
new file mode 100644
index 000000000..1a7194a65
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -0,0 +1,2135 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2011 Samsung Electronics Co.Ltd
+ * Authors:
+ * Seung-Woo Kim <sw0312.kim@samsung.com>
+ * Inki Dae <inki.dae@samsung.com>
+ * Joonyoung Shim <jy0922.shim@samsung.com>
+ *
+ * Based on drivers/media/video/s5p-tv/hdmi_drv.c
+ */
+
+#include <drm/exynos_drm.h>
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/hdmi.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_graph.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/wait.h>
+
+#include <sound/hdmi-codec.h>
+#include <media/cec-notifier.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
+#include "exynos_drm_crtc.h"
+#include "regs-hdmi.h"
+
+#define HOTPLUG_DEBOUNCE_MS 1100
+
+enum hdmi_type {
+ HDMI_TYPE13,
+ HDMI_TYPE14,
+ HDMI_TYPE_COUNT
+};
+
+#define HDMI_MAPPED_BASE 0xffff0000
+
+enum hdmi_mapped_regs {
+ HDMI_PHY_STATUS = HDMI_MAPPED_BASE,
+ HDMI_PHY_RSTOUT,
+ HDMI_ACR_CON,
+ HDMI_ACR_MCTS0,
+ HDMI_ACR_CTS0,
+ HDMI_ACR_N0
+};
+
+static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = {
+ { HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 },
+ { HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT },
+ { HDMI_V13_ACR_CON, HDMI_V14_ACR_CON },
+ { HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 },
+ { HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 },
+ { HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 },
+};
+
+static const char * const supply[] = {
+ "vdd",
+ "vdd_osc",
+ "vdd_pll",
+};
+
+struct hdmiphy_config {
+ int pixel_clock;
+ u8 conf[32];
+};
+
+struct hdmiphy_configs {
+ int count;
+ const struct hdmiphy_config *data;
+};
+
+struct string_array_spec {
+ int count;
+ const char * const *data;
+};
+
+#define INIT_ARRAY_SPEC(a) { .count = ARRAY_SIZE(a), .data = a }
+
+struct hdmi_driver_data {
+ unsigned int type;
+ unsigned int is_apb_phy:1;
+ unsigned int has_sysreg:1;
+ struct hdmiphy_configs phy_confs;
+ struct string_array_spec clk_gates;
+ /*
+ * Array of triplets (p_off, p_on, clock), where p_off and p_on are
+ * required parents of clock when HDMI-PHY is respectively off or on.
+ */
+ struct string_array_spec clk_muxes;
+};
+
+struct hdmi_audio {
+ struct platform_device *pdev;
+ struct hdmi_audio_infoframe infoframe;
+ struct hdmi_codec_params params;
+ bool mute;
+};
+
+struct hdmi_context {
+ struct drm_encoder encoder;
+ struct device *dev;
+ struct drm_device *drm_dev;
+ struct drm_connector connector;
+ bool dvi_mode;
+ struct delayed_work hotplug_work;
+ struct cec_notifier *notifier;
+ const struct hdmi_driver_data *drv_data;
+
+ void __iomem *regs;
+ void __iomem *regs_hdmiphy;
+ struct i2c_client *hdmiphy_port;
+ struct i2c_adapter *ddc_adpt;
+ struct gpio_desc *hpd_gpio;
+ int irq;
+ struct regmap *pmureg;
+ struct regmap *sysreg;
+ struct clk **clk_gates;
+ struct clk **clk_muxes;
+ struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)];
+ struct regulator *reg_hdmi_en;
+ struct exynos_drm_clk phy_clk;
+ struct drm_bridge *bridge;
+
+ /* mutex protecting subsequent fields below */
+ struct mutex mutex;
+ struct hdmi_audio audio;
+ bool powered;
+};
+
+static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
+{
+ return container_of(e, struct hdmi_context, encoder);
+}
+
+static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
+{
+ return container_of(c, struct hdmi_context, connector);
+}
+
+static const struct hdmiphy_config hdmiphy_v13_configs[] = {
+ {
+ .pixel_clock = 27000000,
+ .conf = {
+ 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
+ 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
+ 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+ 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 27027000,
+ .conf = {
+ 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
+ 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
+ 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+ 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 74176000,
+ .conf = {
+ 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
+ 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
+ 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+ 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 74250000,
+ .conf = {
+ 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
+ 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
+ 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
+ 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 148500000,
+ .conf = {
+ 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
+ 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
+ 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
+ 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80,
+ },
+ },
+};
+
+static const struct hdmiphy_config hdmiphy_v14_configs[] = {
+ {
+ .pixel_clock = 25200000,
+ .conf = {
+ 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
+ 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 27000000,
+ .conf = {
+ 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
+ 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 27027000,
+ .conf = {
+ 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
+ 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 36000000,
+ .conf = {
+ 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
+ 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 40000000,
+ .conf = {
+ 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
+ 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 65000000,
+ .conf = {
+ 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
+ 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 71000000,
+ .conf = {
+ 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08,
+ 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 73250000,
+ .conf = {
+ 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08,
+ 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 74176000,
+ .conf = {
+ 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
+ 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 74250000,
+ .conf = {
+ 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
+ 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 83500000,
+ .conf = {
+ 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
+ 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 85500000,
+ .conf = {
+ 0x01, 0xd1, 0x24, 0x11, 0x40, 0x40, 0xd0, 0x08,
+ 0x84, 0xa0, 0xd6, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x90, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 106500000,
+ .conf = {
+ 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
+ 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 108000000,
+ .conf = {
+ 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
+ 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 115500000,
+ .conf = {
+ 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08,
+ 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 119000000,
+ .conf = {
+ 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08,
+ 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 146250000,
+ .conf = {
+ 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
+ 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
+ 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 148500000,
+ .conf = {
+ 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
+ 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
+ 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
+ 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+};
+
+static const struct hdmiphy_config hdmiphy_5420_configs[] = {
+ {
+ .pixel_clock = 25200000,
+ .conf = {
+ 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8,
+ 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 27000000,
+ .conf = {
+ 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0,
+ 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 27027000,
+ .conf = {
+ 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8,
+ 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 36000000,
+ .conf = {
+ 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
+ 0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 40000000,
+ .conf = {
+ 0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8,
+ 0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 65000000,
+ .conf = {
+ 0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8,
+ 0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 71000000,
+ .conf = {
+ 0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8,
+ 0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 73250000,
+ .conf = {
+ 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8,
+ 0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 74176000,
+ .conf = {
+ 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8,
+ 0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 74250000,
+ .conf = {
+ 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
+ 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
+ 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 83500000,
+ .conf = {
+ 0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8,
+ 0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 88750000,
+ .conf = {
+ 0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8,
+ 0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 106500000,
+ .conf = {
+ 0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8,
+ 0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 108000000,
+ .conf = {
+ 0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8,
+ 0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 115500000,
+ .conf = {
+ 0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8,
+ 0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 146250000,
+ .conf = {
+ 0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8,
+ 0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+ 0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 148500000,
+ .conf = {
+ 0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
+ 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
+ 0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80,
+ },
+ },
+ {
+ .pixel_clock = 154000000,
+ .conf = {
+ 0x01, 0xD1, 0x20, 0x01, 0x40, 0x30, 0x08, 0xCC,
+ 0x8C, 0xE8, 0xC1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+ 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x86,
+ 0x54, 0x3F, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
+ },
+ },
+};
+
+static const struct hdmiphy_config hdmiphy_5433_configs[] = {
+ {
+ .pixel_clock = 27000000,
+ .conf = {
+ 0x01, 0x51, 0x2d, 0x75, 0x01, 0x00, 0x88, 0x02,
+ 0x72, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
+ 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 27027000,
+ .conf = {
+ 0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3,
+ 0x71, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
+ 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 40000000,
+ .conf = {
+ 0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02,
+ 0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+ 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 50000000,
+ .conf = {
+ 0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3,
+ 0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+ 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 65000000,
+ .conf = {
+ 0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6,
+ 0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+ 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 74176000,
+ .conf = {
+ 0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42,
+ 0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+ 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 74250000,
+ .conf = {
+ 0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2,
+ 0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+ 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 108000000,
+ .conf = {
+ 0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02,
+ 0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+ 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 148500000,
+ .conf = {
+ 0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1,
+ 0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
+ 0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40,
+ },
+ },
+ {
+ .pixel_clock = 297000000,
+ .conf = {
+ 0x01, 0x51, 0x3E, 0x05, 0x40, 0xF0, 0x88, 0xC2,
+ 0x52, 0x53, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+ 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+ 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+ },
+ },
+};
+
+static const char * const hdmi_clk_gates4[] = {
+ "hdmi", "sclk_hdmi"
+};
+
+static const char * const hdmi_clk_muxes4[] = {
+ "sclk_pixel", "sclk_hdmiphy", "mout_hdmi"
+};
+
+static const char * const hdmi_clk_gates5433[] = {
+ "hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk"
+};
+
+static const char * const hdmi_clk_muxes5433[] = {
+ "oscclk", "tmds_clko", "tmds_clko_user",
+ "oscclk", "pixel_clko", "pixel_clko_user"
+};
+
+static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
+ .type = HDMI_TYPE13,
+ .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs),
+ .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
+ .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
+};
+
+static const struct hdmi_driver_data exynos4212_hdmi_driver_data = {
+ .type = HDMI_TYPE14,
+ .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v14_configs),
+ .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
+ .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
+};
+
+static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
+ .type = HDMI_TYPE14,
+ .is_apb_phy = 1,
+ .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5420_configs),
+ .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
+ .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
+};
+
+static const struct hdmi_driver_data exynos5433_hdmi_driver_data = {
+ .type = HDMI_TYPE14,
+ .is_apb_phy = 1,
+ .has_sysreg = 1,
+ .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs),
+ .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433),
+ .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433),
+};
+
+static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
+{
+ if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
+ return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type];
+ return reg_id;
+}
+
+static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
+{
+ return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
+}
+
+static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
+ u32 reg_id, u8 value)
+{
+ writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
+}
+
+static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
+ int bytes, u32 val)
+{
+ reg_id = hdmi_map_reg(hdata, reg_id);
+
+ while (--bytes >= 0) {
+ writel(val & 0xff, hdata->regs + reg_id);
+ val >>= 8;
+ reg_id += 4;
+ }
+}
+
+static inline void hdmi_reg_write_buf(struct hdmi_context *hdata, u32 reg_id,
+ u8 *buf, int size)
+{
+ for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4)
+ writel(*buf++, hdata->regs + reg_id);
+}
+
+static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
+ u32 reg_id, u32 value, u32 mask)
+{
+ u32 old;
+
+ reg_id = hdmi_map_reg(hdata, reg_id);
+ old = readl(hdata->regs + reg_id);
+ value = (value & mask) | (old & ~mask);
+ writel(value, hdata->regs + reg_id);
+}
+
+static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
+ u32 reg_offset, const u8 *buf, u32 len)
+{
+ if ((reg_offset + len) > 32)
+ return -EINVAL;
+
+ if (hdata->hdmiphy_port) {
+ int ret;
+
+ ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
+ if (ret == len)
+ return 0;
+ return ret;
+ } else {
+ int i;
+ for (i = 0; i < len; i++)
+ writel(buf[i], hdata->regs_hdmiphy +
+ ((reg_offset + i)<<2));
+ return 0;
+ }
+}
+
+static int hdmi_clk_enable_gates(struct hdmi_context *hdata)
+{
+ int i, ret;
+
+ for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) {
+ ret = clk_prepare_enable(hdata->clk_gates[i]);
+ if (!ret)
+ continue;
+
+ dev_err(hdata->dev, "Cannot enable clock '%s', %d\n",
+ hdata->drv_data->clk_gates.data[i], ret);
+ while (i--)
+ clk_disable_unprepare(hdata->clk_gates[i]);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void hdmi_clk_disable_gates(struct hdmi_context *hdata)
+{
+ int i = hdata->drv_data->clk_gates.count;
+
+ while (i--)
+ clk_disable_unprepare(hdata->clk_gates[i]);
+}
+
+static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy)
+{
+ struct device *dev = hdata->dev;
+ int ret = 0;
+ int i;
+
+ for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) {
+ struct clk **c = &hdata->clk_muxes[i];
+
+ ret = clk_set_parent(c[2], c[to_phy]);
+ if (!ret)
+ continue;
+
+ dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n",
+ hdata->drv_data->clk_muxes.data[i + 2],
+ hdata->drv_data->clk_muxes.data[i + to_phy], ret);
+ }
+
+ return ret;
+}
+
+static int hdmi_audio_infoframe_apply(struct hdmi_context *hdata)
+{
+ struct hdmi_audio_infoframe *infoframe = &hdata->audio.infoframe;
+ u8 buf[HDMI_INFOFRAME_SIZE(AUDIO)];
+ int len;
+
+ len = hdmi_audio_infoframe_pack(infoframe, buf, sizeof(buf));
+ if (len < 0)
+ return len;
+
+ hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_EVERY_VSYNC);
+ hdmi_reg_write_buf(hdata, HDMI_AUI_HEADER0, buf, len);
+
+ return 0;
+}
+
+static void hdmi_reg_infoframes(struct hdmi_context *hdata)
+{
+ struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
+ union hdmi_infoframe frm;
+ u8 buf[25];
+ int ret;
+
+ if (hdata->dvi_mode) {
+ hdmi_reg_writeb(hdata, HDMI_AVI_CON,
+ HDMI_AVI_CON_DO_NOT_TRANSMIT);
+ hdmi_reg_writeb(hdata, HDMI_VSI_CON,
+ HDMI_VSI_CON_DO_NOT_TRANSMIT);
+ hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
+ return;
+ }
+
+ ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi,
+ &hdata->connector, m);
+ if (!ret)
+ ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf));
+ if (ret > 0) {
+ hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
+ hdmi_reg_write_buf(hdata, HDMI_AVI_HEADER0, buf, ret);
+ } else {
+ DRM_INFO("%s: invalid AVI infoframe (%d)\n", __func__, ret);
+ }
+
+ ret = drm_hdmi_vendor_infoframe_from_display_mode(&frm.vendor.hdmi,
+ &hdata->connector, m);
+ if (!ret)
+ ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf,
+ sizeof(buf));
+ if (ret > 0) {
+ hdmi_reg_writeb(hdata, HDMI_VSI_CON, HDMI_VSI_CON_EVERY_VSYNC);
+ hdmi_reg_write_buf(hdata, HDMI_VSI_HEADER0, buf, 3);
+ hdmi_reg_write_buf(hdata, HDMI_VSI_DATA(0), buf + 3, ret - 3);
+ }
+
+ hdmi_audio_infoframe_apply(hdata);
+}
+
+static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
+ bool force)
+{
+ struct hdmi_context *hdata = connector_to_hdmi(connector);
+
+ if (gpiod_get_value(hdata->hpd_gpio))
+ return connector_status_connected;
+
+ cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
+ return connector_status_disconnected;
+}
+
+static void hdmi_connector_destroy(struct drm_connector *connector)
+{
+ struct hdmi_context *hdata = connector_to_hdmi(connector);
+
+ cec_notifier_conn_unregister(hdata->notifier);
+
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+}
+
+static const struct drm_connector_funcs hdmi_connector_funcs = {
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = hdmi_detect,
+ .destroy = hdmi_connector_destroy,
+ .reset = drm_atomic_helper_connector_reset,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int hdmi_get_modes(struct drm_connector *connector)
+{
+ struct hdmi_context *hdata = connector_to_hdmi(connector);
+ struct edid *edid;
+ int ret;
+
+ if (!hdata->ddc_adpt)
+ return -ENODEV;
+
+ edid = drm_get_edid(connector, hdata->ddc_adpt);
+ if (!edid)
+ return -ENODEV;
+
+ hdata->dvi_mode = !connector->display_info.is_hdmi;
+ DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
+ (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
+ edid->width_cm, edid->height_cm);
+
+ drm_connector_update_edid_property(connector, edid);
+ cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
+
+ ret = drm_add_edid_modes(connector, edid);
+
+ kfree(edid);
+
+ return ret;
+}
+
+static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
+{
+ const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs;
+ int i;
+
+ for (i = 0; i < confs->count; i++)
+ if (confs->data[i].pixel_clock == pixel_clock)
+ return i;
+
+ DRM_DEV_DEBUG_KMS(hdata->dev, "Could not find phy config for %d\n",
+ pixel_clock);
+ return -EINVAL;
+}
+
+static enum drm_mode_status hdmi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct hdmi_context *hdata = connector_to_hdmi(connector);
+ int ret;
+
+ DRM_DEV_DEBUG_KMS(hdata->dev,
+ "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
+ mode->hdisplay, mode->vdisplay,
+ drm_mode_vrefresh(mode),
+ (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
+ false, mode->clock * 1000);
+
+ ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
+ if (ret < 0)
+ return MODE_BAD;
+
+ return MODE_OK;
+}
+
+static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
+ .get_modes = hdmi_get_modes,
+ .mode_valid = hdmi_mode_valid,
+};
+
+static int hdmi_create_connector(struct drm_encoder *encoder)
+{
+ struct hdmi_context *hdata = encoder_to_hdmi(encoder);
+ struct drm_connector *connector = &hdata->connector;
+ struct cec_connector_info conn_info;
+ int ret;
+
+ connector->interlace_allowed = true;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init_with_ddc(hdata->drm_dev, connector,
+ &hdmi_connector_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ hdata->ddc_adpt);
+ if (ret) {
+ DRM_DEV_ERROR(hdata->dev,
+ "Failed to initialize connector with drm\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
+ drm_connector_attach_encoder(connector, encoder);
+
+ if (hdata->bridge)
+ ret = drm_bridge_attach(encoder, hdata->bridge, NULL, 0);
+
+ cec_fill_conn_info_from_drm(&conn_info, connector);
+
+ hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL,
+ &conn_info);
+ if (!hdata->notifier) {
+ ret = -ENOMEM;
+ DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n");
+ }
+
+ return ret;
+}
+
+static bool hdmi_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_connector *connector;
+ struct drm_display_mode *m;
+ struct drm_connector_list_iter conn_iter;
+ int mode_ok;
+
+ drm_mode_set_crtcinfo(adjusted_mode, 0);
+
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter) {
+ if (connector->encoder == encoder)
+ break;
+ }
+ if (connector)
+ drm_connector_get(connector);
+ drm_connector_list_iter_end(&conn_iter);
+
+ if (!connector)
+ return true;
+
+ mode_ok = hdmi_mode_valid(connector, adjusted_mode);
+
+ if (mode_ok == MODE_OK)
+ goto cleanup;
+
+ /*
+ * Find the most suitable mode and copy it to adjusted_mode.
+ */
+ list_for_each_entry(m, &connector->modes, head) {
+ mode_ok = hdmi_mode_valid(connector, m);
+
+ if (mode_ok == MODE_OK) {
+ DRM_INFO("desired mode doesn't exist so\n");
+ DRM_INFO("use the most suitable mode among modes.\n");
+
+ DRM_DEV_DEBUG_KMS(dev->dev,
+ "Adjusted Mode: [%d]x[%d] [%d]Hz\n",
+ m->hdisplay, m->vdisplay,
+ drm_mode_vrefresh(m));
+
+ drm_mode_copy(adjusted_mode, m);
+ break;
+ }
+ }
+
+cleanup:
+ drm_connector_put(connector);
+
+ return true;
+}
+
+static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
+{
+ u32 n, cts;
+
+ cts = (freq % 9) ? 27000 : 30000;
+ n = 128 * freq / (27000000 / cts);
+
+ hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
+ hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
+ hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
+ hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
+}
+
+static void hdmi_audio_config(struct hdmi_context *hdata)
+{
+ u32 bit_ch = 1;
+ u32 data_num, val;
+ int i;
+
+ switch (hdata->audio.params.sample_width) {
+ case 20:
+ data_num = 2;
+ break;
+ case 24:
+ data_num = 3;
+ break;
+ default:
+ data_num = 1;
+ bit_ch = 0;
+ break;
+ }
+
+ hdmi_reg_acr(hdata, hdata->audio.params.sample_rate);
+
+ hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
+ | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
+ | HDMI_I2S_MUX_ENABLE);
+
+ hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
+ | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
+
+ hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
+ hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
+ hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
+
+ val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
+ hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
+
+ /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
+ hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
+ | HDMI_I2S_SEL_LRCK(6));
+
+ hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(3)
+ | HDMI_I2S_SEL_SDATA0(4));
+
+ hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
+ | HDMI_I2S_SEL_SDATA2(2));
+
+ hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
+
+ /* I2S_CON_1 & 2 */
+ hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
+ | HDMI_I2S_L_CH_LOW_POL);
+ hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
+ | HDMI_I2S_SET_BIT_CH(bit_ch)
+ | HDMI_I2S_SET_SDATA_BIT(data_num)
+ | HDMI_I2S_BASIC_FORMAT);
+
+ /* Configuration of the audio channel status registers */
+ for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++)
+ hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i),
+ hdata->audio.params.iec.status[i]);
+
+ hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
+}
+
+static void hdmi_audio_control(struct hdmi_context *hdata)
+{
+ bool enable = !hdata->audio.mute;
+
+ if (hdata->dvi_mode)
+ return;
+
+ hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ?
+ HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN);
+ hdmi_reg_writemask(hdata, HDMI_CON_0, enable ?
+ HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
+}
+
+static void hdmi_start(struct hdmi_context *hdata, bool start)
+{
+ struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
+ u32 val = start ? HDMI_TG_EN : 0;
+
+ if (m->flags & DRM_MODE_FLAG_INTERLACE)
+ val |= HDMI_FIELD_EN;
+
+ hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
+ hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
+}
+
+static void hdmi_conf_init(struct hdmi_context *hdata)
+{
+ /* disable HPD interrupts from HDMI IP block, use GPIO instead */
+ hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
+ HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
+
+ /* choose HDMI mode */
+ hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
+ HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
+ /* apply video pre-amble and guard band in HDMI mode only */
+ hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
+ /* disable bluescreen */
+ hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
+
+ if (hdata->dvi_mode) {
+ hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
+ HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
+ hdmi_reg_writeb(hdata, HDMI_CON_2,
+ HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
+ }
+
+ if (hdata->drv_data->type == HDMI_TYPE13) {
+ /* choose bluescreen (fecal) color */
+ hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
+ hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
+ hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
+
+ /* enable AVI packet every vsync, fixes purple line problem */
+ hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
+ /* force RGB, look to CEA-861-D, table 7 for more detail */
+ hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
+ hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
+
+ hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
+ hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
+ hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
+ } else {
+ hdmi_reg_infoframes(hdata);
+
+ /* enable AVI packet every vsync, fixes purple line problem */
+ hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
+ }
+}
+
+static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
+{
+ int tries;
+
+ for (tries = 0; tries < 10; ++tries) {
+ u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
+
+ if (val & HDMI_PHY_STATUS_READY) {
+ DRM_DEV_DEBUG_KMS(hdata->dev,
+ "PLL stabilized after %d tries\n",
+ tries);
+ return;
+ }
+ usleep_range(10, 20);
+ }
+
+ DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n");
+}
+
+static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
+{
+ struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
+ unsigned int val;
+
+ hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
+ hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
+ (m->htotal << 12) | m->vtotal);
+
+ val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
+ hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
+
+ val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
+ hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
+
+ val = (m->hsync_start - m->hdisplay - 2);
+ val |= ((m->hsync_end - m->hdisplay - 2) << 10);
+ val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
+ hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
+
+ /*
+ * Quirk requirement for exynos HDMI IP design,
+ * 2 pixels less than the actual calculation for hsync_start
+ * and end.
+ */
+
+ /* Following values & calculations differ for different type of modes */
+ if (m->flags & DRM_MODE_FLAG_INTERLACE) {
+ val = ((m->vsync_end - m->vdisplay) / 2);
+ val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
+ hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
+
+ val = m->vtotal / 2;
+ val |= ((m->vtotal - m->vdisplay) / 2) << 11;
+ hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
+
+ val = (m->vtotal +
+ ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
+ val |= m->vtotal << 11;
+ hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
+
+ val = ((m->vtotal / 2) + 7);
+ val |= ((m->vtotal / 2) + 2) << 12;
+ hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
+
+ val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
+ val |= ((m->htotal / 2) +
+ (m->hsync_start - m->hdisplay)) << 12;
+ hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
+
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
+ (m->vtotal - m->vdisplay) / 2);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
+
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
+ } else {
+ val = m->vtotal;
+ val |= (m->vtotal - m->vdisplay) << 11;
+ hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
+
+ hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
+
+ val = (m->vsync_end - m->vdisplay);
+ val |= ((m->vsync_start - m->vdisplay) << 12);
+ hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
+
+ hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
+ hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
+ m->vtotal - m->vdisplay);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
+ }
+
+ hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
+ hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
+ hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
+ hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
+}
+
+static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
+{
+ struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
+ struct drm_display_mode *am =
+ &hdata->encoder.crtc->state->adjusted_mode;
+ int hquirk = 0;
+
+ /*
+ * In case video mode coming from CRTC differs from requested one HDMI
+ * sometimes is able to almost properly perform conversion - only
+ * first line is distorted.
+ */
+ if ((m->vdisplay != am->vdisplay) &&
+ (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366))
+ hquirk = 258;
+
+ hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
+ hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
+ hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
+ hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
+ (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
+ hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
+ (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
+ hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
+ (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
+
+ /*
+ * Quirk requirement for exynos 5 HDMI IP design,
+ * 2 pixels less than the actual calculation for hsync_start
+ * and end.
+ */
+
+ /* Following values & calculations differ for different type of modes */
+ if (m->flags & DRM_MODE_FLAG_INTERLACE) {
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
+ (m->vsync_end - m->vdisplay) / 2);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
+ (m->vsync_start - m->vdisplay) / 2);
+ hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
+ hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
+ (m->vtotal - m->vdisplay) / 2);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
+ m->vtotal - m->vdisplay / 2);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
+ (m->vtotal / 2) + 7);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
+ (m->vtotal / 2) + 2);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
+ (m->htotal / 2) + (m->hsync_start - m->hdisplay));
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
+ (m->htotal / 2) + (m->hsync_start - m->hdisplay));
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
+ (m->vtotal - m->vdisplay) / 2);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
+ m->vtotal - m->vdisplay / 2);
+ hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
+ (m->vtotal / 2) + 1);
+ hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
+ (m->vtotal / 2) + 1);
+ hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
+ (m->vtotal / 2) + 1);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
+ } else {
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
+ m->vsync_end - m->vdisplay);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
+ m->vsync_start - m->vdisplay);
+ hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
+ hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
+ m->vtotal - m->vdisplay);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
+ m->vtotal - m->vdisplay);
+ hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
+ }
+
+ hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
+ m->hsync_start - m->hdisplay - 2);
+ hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
+ m->hsync_end - m->hdisplay - 2);
+ hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
+ hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
+
+ hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
+ hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2,
+ m->htotal - m->hdisplay - hquirk);
+ hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk);
+ hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
+ if (hdata->drv_data == &exynos5433_hdmi_driver_data)
+ hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
+}
+
+static void hdmi_mode_apply(struct hdmi_context *hdata)
+{
+ if (hdata->drv_data->type == HDMI_TYPE13)
+ hdmi_v13_mode_apply(hdata);
+ else
+ hdmi_v14_mode_apply(hdata);
+
+ hdmi_start(hdata, true);
+}
+
+static void hdmiphy_conf_reset(struct hdmi_context *hdata)
+{
+ hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1);
+ usleep_range(10000, 12000);
+ hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1);
+ usleep_range(10000, 12000);
+ hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
+ usleep_range(10000, 12000);
+ hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
+ usleep_range(10000, 12000);
+}
+
+static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
+{
+ u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
+
+ if (hdata->drv_data == &exynos5433_hdmi_driver_data)
+ writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
+}
+
+static void hdmiphy_conf_apply(struct hdmi_context *hdata)
+{
+ struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
+ int ret;
+ const u8 *phy_conf;
+
+ ret = hdmi_find_phy_conf(hdata, m->clock * 1000);
+ if (ret < 0) {
+ DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n");
+ return;
+ }
+ phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
+
+ hdmi_clk_set_parents(hdata, false);
+
+ hdmiphy_conf_reset(hdata);
+
+ hdmiphy_enable_mode_set(hdata, true);
+ ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
+ if (ret) {
+ DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n");
+ return;
+ }
+ hdmiphy_enable_mode_set(hdata, false);
+ hdmi_clk_set_parents(hdata, true);
+ usleep_range(10000, 12000);
+ hdmiphy_wait_for_pll(hdata);
+}
+
+/* Should be called with hdata->mutex mutex held */
+static void hdmi_conf_apply(struct hdmi_context *hdata)
+{
+ hdmi_start(hdata, false);
+ hdmi_conf_init(hdata);
+ hdmi_audio_config(hdata);
+ hdmi_mode_apply(hdata);
+ hdmi_audio_control(hdata);
+}
+
+static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
+{
+ if (!hdata->sysreg)
+ return;
+
+ regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
+ SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
+}
+
+/* Should be called with hdata->mutex mutex held. */
+static void hdmiphy_enable(struct hdmi_context *hdata)
+{
+ int ret;
+
+ if (hdata->powered)
+ return;
+
+ ret = pm_runtime_resume_and_get(hdata->dev);
+ if (ret < 0) {
+ dev_err(hdata->dev, "failed to enable HDMIPHY device.\n");
+ return;
+ }
+
+ if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
+ DRM_DEV_DEBUG_KMS(hdata->dev,
+ "failed to enable regulator bulk\n");
+
+ regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
+ PMU_HDMI_PHY_ENABLE_BIT, 1);
+
+ hdmi_set_refclk(hdata, true);
+
+ hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
+
+ hdmiphy_conf_apply(hdata);
+
+ hdata->powered = true;
+}
+
+/* Should be called with hdata->mutex mutex held. */
+static void hdmiphy_disable(struct hdmi_context *hdata)
+{
+ if (!hdata->powered)
+ return;
+
+ hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
+
+ hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
+
+ hdmi_set_refclk(hdata, false);
+
+ regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
+ PMU_HDMI_PHY_ENABLE_BIT, 0);
+
+ regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
+
+ pm_runtime_put_sync(hdata->dev);
+
+ hdata->powered = false;
+}
+
+static void hdmi_enable(struct drm_encoder *encoder)
+{
+ struct hdmi_context *hdata = encoder_to_hdmi(encoder);
+
+ mutex_lock(&hdata->mutex);
+
+ hdmiphy_enable(hdata);
+ hdmi_conf_apply(hdata);
+
+ mutex_unlock(&hdata->mutex);
+}
+
+static void hdmi_disable(struct drm_encoder *encoder)
+{
+ struct hdmi_context *hdata = encoder_to_hdmi(encoder);
+
+ mutex_lock(&hdata->mutex);
+
+ if (hdata->powered) {
+ /*
+ * The SFRs of VP and Mixer are updated by Vertical Sync of
+ * Timing generator which is a part of HDMI so the sequence
+ * to disable TV Subsystem should be as following,
+ * VP -> Mixer -> HDMI
+ *
+ * To achieve such sequence HDMI is disabled together with
+ * HDMI PHY, via pipe clock callback.
+ */
+ mutex_unlock(&hdata->mutex);
+ cancel_delayed_work(&hdata->hotplug_work);
+ if (hdata->notifier)
+ cec_notifier_phys_addr_invalidate(hdata->notifier);
+ return;
+ }
+
+ mutex_unlock(&hdata->mutex);
+}
+
+static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
+ .mode_fixup = hdmi_mode_fixup,
+ .enable = hdmi_enable,
+ .disable = hdmi_disable,
+};
+
+static void hdmi_audio_shutdown(struct device *dev, void *data)
+{
+ struct hdmi_context *hdata = dev_get_drvdata(dev);
+
+ mutex_lock(&hdata->mutex);
+
+ hdata->audio.mute = true;
+
+ if (hdata->powered)
+ hdmi_audio_control(hdata);
+
+ mutex_unlock(&hdata->mutex);
+}
+
+static int hdmi_audio_hw_params(struct device *dev, void *data,
+ struct hdmi_codec_daifmt *daifmt,
+ struct hdmi_codec_params *params)
+{
+ struct hdmi_context *hdata = dev_get_drvdata(dev);
+
+ if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv ||
+ daifmt->frame_clk_inv || daifmt->bit_clk_provider ||
+ daifmt->frame_clk_provider) {
+ dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__,
+ daifmt->bit_clk_inv, daifmt->frame_clk_inv,
+ daifmt->bit_clk_provider,
+ daifmt->frame_clk_provider);
+ return -EINVAL;
+ }
+
+ mutex_lock(&hdata->mutex);
+
+ hdata->audio.params = *params;
+
+ if (hdata->powered) {
+ hdmi_audio_config(hdata);
+ hdmi_audio_infoframe_apply(hdata);
+ }
+
+ mutex_unlock(&hdata->mutex);
+
+ return 0;
+}
+
+static int hdmi_audio_mute(struct device *dev, void *data,
+ bool mute, int direction)
+{
+ struct hdmi_context *hdata = dev_get_drvdata(dev);
+
+ mutex_lock(&hdata->mutex);
+
+ hdata->audio.mute = mute;
+
+ if (hdata->powered)
+ hdmi_audio_control(hdata);
+
+ mutex_unlock(&hdata->mutex);
+
+ return 0;
+}
+
+static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
+ size_t len)
+{
+ struct hdmi_context *hdata = dev_get_drvdata(dev);
+ struct drm_connector *connector = &hdata->connector;
+
+ memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
+
+ return 0;
+}
+
+static const struct hdmi_codec_ops audio_codec_ops = {
+ .hw_params = hdmi_audio_hw_params,
+ .audio_shutdown = hdmi_audio_shutdown,
+ .mute_stream = hdmi_audio_mute,
+ .get_eld = hdmi_audio_get_eld,
+ .no_capture_mute = 1,
+};
+
+static int hdmi_register_audio_device(struct hdmi_context *hdata)
+{
+ struct hdmi_codec_pdata codec_data = {
+ .ops = &audio_codec_ops,
+ .max_i2s_channels = 6,
+ .i2s = 1,
+ };
+
+ hdata->audio.pdev = platform_device_register_data(
+ hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO,
+ &codec_data, sizeof(codec_data));
+
+ return PTR_ERR_OR_ZERO(hdata->audio.pdev);
+}
+
+static void hdmi_hotplug_work_func(struct work_struct *work)
+{
+ struct hdmi_context *hdata;
+
+ hdata = container_of(work, struct hdmi_context, hotplug_work.work);
+
+ if (hdata->drm_dev)
+ drm_helper_hpd_irq_event(hdata->drm_dev);
+}
+
+static irqreturn_t hdmi_irq_thread(int irq, void *arg)
+{
+ struct hdmi_context *hdata = arg;
+
+ mod_delayed_work(system_wq, &hdata->hotplug_work,
+ msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
+
+ return IRQ_HANDLED;
+}
+
+static int hdmi_clks_get(struct hdmi_context *hdata,
+ const struct string_array_spec *names,
+ struct clk **clks)
+{
+ struct device *dev = hdata->dev;
+ int i;
+
+ for (i = 0; i < names->count; ++i) {
+ struct clk *clk = devm_clk_get(dev, names->data[i]);
+
+ if (IS_ERR(clk)) {
+ int ret = PTR_ERR(clk);
+
+ dev_err(dev, "Cannot get clock %s, %d\n",
+ names->data[i], ret);
+
+ return ret;
+ }
+
+ clks[i] = clk;
+ }
+
+ return 0;
+}
+
+static int hdmi_clk_init(struct hdmi_context *hdata)
+{
+ const struct hdmi_driver_data *drv_data = hdata->drv_data;
+ int count = drv_data->clk_gates.count + drv_data->clk_muxes.count;
+ struct device *dev = hdata->dev;
+ struct clk **clks;
+ int ret;
+
+ if (!count)
+ return 0;
+
+ clks = devm_kcalloc(dev, count, sizeof(*clks), GFP_KERNEL);
+ if (!clks)
+ return -ENOMEM;
+
+ hdata->clk_gates = clks;
+ hdata->clk_muxes = clks + drv_data->clk_gates.count;
+
+ ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates);
+ if (ret)
+ return ret;
+
+ return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes);
+}
+
+
+static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable)
+{
+ struct hdmi_context *hdata = container_of(clk, struct hdmi_context,
+ phy_clk);
+ mutex_lock(&hdata->mutex);
+
+ if (enable)
+ hdmiphy_enable(hdata);
+ else
+ hdmiphy_disable(hdata);
+
+ mutex_unlock(&hdata->mutex);
+}
+
+static int hdmi_bridge_init(struct hdmi_context *hdata)
+{
+ struct device *dev = hdata->dev;
+ struct device_node *ep, *np;
+
+ ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1);
+ if (!ep)
+ return 0;
+
+ np = of_graph_get_remote_port_parent(ep);
+ of_node_put(ep);
+ if (!np) {
+ DRM_DEV_ERROR(dev, "failed to get remote port parent");
+ return -EINVAL;
+ }
+
+ hdata->bridge = of_drm_find_bridge(np);
+ of_node_put(np);
+
+ if (!hdata->bridge)
+ return -EPROBE_DEFER;
+
+ return 0;
+}
+
+static int hdmi_resources_init(struct hdmi_context *hdata)
+{
+ struct device *dev = hdata->dev;
+ int i, ret;
+
+ DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n");
+
+ hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
+ if (IS_ERR(hdata->hpd_gpio)) {
+ DRM_DEV_ERROR(dev, "cannot get hpd gpio property\n");
+ return PTR_ERR(hdata->hpd_gpio);
+ }
+
+ hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
+ if (hdata->irq < 0) {
+ DRM_DEV_ERROR(dev, "failed to get GPIO irq\n");
+ return hdata->irq;
+ }
+
+ ret = hdmi_clk_init(hdata);
+ if (ret)
+ return ret;
+
+ ret = hdmi_clk_set_parents(hdata, false);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(supply); ++i)
+ hdata->regul_bulk[i].supply = supply[i];
+
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to get regulators\n");
+
+ hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
+
+ if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV)
+ if (IS_ERR(hdata->reg_hdmi_en))
+ return PTR_ERR(hdata->reg_hdmi_en);
+
+ return hdmi_bridge_init(hdata);
+}
+
+static const struct of_device_id hdmi_match_types[] = {
+ {
+ .compatible = "samsung,exynos4210-hdmi",
+ .data = &exynos4210_hdmi_driver_data,
+ }, {
+ .compatible = "samsung,exynos4212-hdmi",
+ .data = &exynos4212_hdmi_driver_data,
+ }, {
+ .compatible = "samsung,exynos5420-hdmi",
+ .data = &exynos5420_hdmi_driver_data,
+ }, {
+ .compatible = "samsung,exynos5433-hdmi",
+ .data = &exynos5433_hdmi_driver_data,
+ }, {
+ /* end node */
+ }
+};
+MODULE_DEVICE_TABLE (of, hdmi_match_types);
+
+static int hdmi_bind(struct device *dev, struct device *master, void *data)
+{
+ struct drm_device *drm_dev = data;
+ struct hdmi_context *hdata = dev_get_drvdata(dev);
+ struct drm_encoder *encoder = &hdata->encoder;
+ struct exynos_drm_crtc *crtc;
+ int ret;
+
+ hdata->drm_dev = drm_dev;
+
+ hdata->phy_clk.enable = hdmiphy_clk_enable;
+
+ drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
+
+ drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
+
+ ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI);
+ if (ret < 0)
+ return ret;
+
+ crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI);
+ if (IS_ERR(crtc))
+ return PTR_ERR(crtc);
+ crtc->pipe_clk = &hdata->phy_clk;
+
+ ret = hdmi_create_connector(encoder);
+ if (ret) {
+ DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
+ ret);
+ drm_encoder_cleanup(encoder);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void hdmi_unbind(struct device *dev, struct device *master, void *data)
+{
+}
+
+static const struct component_ops hdmi_component_ops = {
+ .bind = hdmi_bind,
+ .unbind = hdmi_unbind,
+};
+
+static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
+{
+ const char *compatible_str = "samsung,exynos4210-hdmiddc";
+ struct device_node *np;
+ struct i2c_adapter *adpt;
+
+ np = of_find_compatible_node(NULL, NULL, compatible_str);
+ if (np)
+ np = of_get_next_parent(np);
+ else
+ np = of_parse_phandle(hdata->dev->of_node, "ddc", 0);
+
+ if (!np) {
+ DRM_DEV_ERROR(hdata->dev,
+ "Failed to find ddc node in device tree\n");
+ return -ENODEV;
+ }
+
+ adpt = of_find_i2c_adapter_by_node(np);
+ of_node_put(np);
+
+ if (!adpt) {
+ DRM_INFO("Failed to get ddc i2c adapter by node\n");
+ return -EPROBE_DEFER;
+ }
+
+ hdata->ddc_adpt = adpt;
+
+ return 0;
+}
+
+static int hdmi_get_phy_io(struct hdmi_context *hdata)
+{
+ const char *compatible_str = "samsung,exynos4212-hdmiphy";
+ struct device_node *np;
+ int ret = 0;
+
+ np = of_find_compatible_node(NULL, NULL, compatible_str);
+ if (!np) {
+ np = of_parse_phandle(hdata->dev->of_node, "phy", 0);
+ if (!np) {
+ DRM_DEV_ERROR(hdata->dev,
+ "Failed to find hdmiphy node in device tree\n");
+ return -ENODEV;
+ }
+ }
+
+ if (hdata->drv_data->is_apb_phy) {
+ hdata->regs_hdmiphy = of_iomap(np, 0);
+ if (!hdata->regs_hdmiphy) {
+ DRM_DEV_ERROR(hdata->dev,
+ "failed to ioremap hdmi phy\n");
+ ret = -ENOMEM;
+ goto out;
+ }
+ } else {
+ hdata->hdmiphy_port = of_find_i2c_device_by_node(np);
+ if (!hdata->hdmiphy_port) {
+ DRM_INFO("Failed to get hdmi phy i2c client\n");
+ ret = -EPROBE_DEFER;
+ goto out;
+ }
+ }
+
+out:
+ of_node_put(np);
+ return ret;
+}
+
+static int hdmi_probe(struct platform_device *pdev)
+{
+ struct hdmi_audio_infoframe *audio_infoframe;
+ struct device *dev = &pdev->dev;
+ struct hdmi_context *hdata;
+ int ret;
+
+ hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
+ if (!hdata)
+ return -ENOMEM;
+
+ hdata->drv_data = of_device_get_match_data(dev);
+
+ platform_set_drvdata(pdev, hdata);
+
+ hdata->dev = dev;
+
+ mutex_init(&hdata->mutex);
+
+ ret = hdmi_resources_init(hdata);
+ if (ret) {
+ if (ret != -EPROBE_DEFER)
+ DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n");
+ return ret;
+ }
+
+ hdata->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(hdata->regs)) {
+ ret = PTR_ERR(hdata->regs);
+ return ret;
+ }
+
+ ret = hdmi_get_ddc_adapter(hdata);
+ if (ret)
+ return ret;
+
+ ret = hdmi_get_phy_io(hdata);
+ if (ret)
+ goto err_ddc;
+
+ INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
+
+ ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
+ hdmi_irq_thread, IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ "hdmi", hdata);
+ if (ret) {
+ DRM_DEV_ERROR(dev, "failed to register hdmi interrupt\n");
+ goto err_hdmiphy;
+ }
+
+ hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
+ "samsung,syscon-phandle");
+ if (IS_ERR(hdata->pmureg)) {
+ DRM_DEV_ERROR(dev, "syscon regmap lookup failed.\n");
+ ret = -EPROBE_DEFER;
+ goto err_hdmiphy;
+ }
+
+ if (hdata->drv_data->has_sysreg) {
+ hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
+ "samsung,sysreg-phandle");
+ if (IS_ERR(hdata->sysreg)) {
+ DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n");
+ ret = -EPROBE_DEFER;
+ goto err_hdmiphy;
+ }
+ }
+
+ if (!IS_ERR(hdata->reg_hdmi_en)) {
+ ret = regulator_enable(hdata->reg_hdmi_en);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
+ "failed to enable hdmi-en regulator\n");
+ goto err_hdmiphy;
+ }
+ }
+
+ pm_runtime_enable(dev);
+
+ audio_infoframe = &hdata->audio.infoframe;
+ hdmi_audio_infoframe_init(audio_infoframe);
+ audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
+ audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
+ audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
+ audio_infoframe->channels = 2;
+
+ ret = hdmi_register_audio_device(hdata);
+ if (ret)
+ goto err_rpm_disable;
+
+ ret = component_add(&pdev->dev, &hdmi_component_ops);
+ if (ret)
+ goto err_unregister_audio;
+
+ return ret;
+
+err_unregister_audio:
+ platform_device_unregister(hdata->audio.pdev);
+
+err_rpm_disable:
+ pm_runtime_disable(dev);
+ if (!IS_ERR(hdata->reg_hdmi_en))
+ regulator_disable(hdata->reg_hdmi_en);
+err_hdmiphy:
+ if (hdata->hdmiphy_port)
+ put_device(&hdata->hdmiphy_port->dev);
+ if (hdata->regs_hdmiphy)
+ iounmap(hdata->regs_hdmiphy);
+err_ddc:
+ put_device(&hdata->ddc_adpt->dev);
+
+ return ret;
+}
+
+static int hdmi_remove(struct platform_device *pdev)
+{
+ struct hdmi_context *hdata = platform_get_drvdata(pdev);
+
+ cancel_delayed_work_sync(&hdata->hotplug_work);
+
+ component_del(&pdev->dev, &hdmi_component_ops);
+ platform_device_unregister(hdata->audio.pdev);
+
+ pm_runtime_disable(&pdev->dev);
+
+ if (!IS_ERR(hdata->reg_hdmi_en))
+ regulator_disable(hdata->reg_hdmi_en);
+
+ if (hdata->hdmiphy_port)
+ put_device(&hdata->hdmiphy_port->dev);
+
+ if (hdata->regs_hdmiphy)
+ iounmap(hdata->regs_hdmiphy);
+
+ put_device(&hdata->ddc_adpt->dev);
+
+ mutex_destroy(&hdata->mutex);
+
+ return 0;
+}
+
+static int __maybe_unused exynos_hdmi_suspend(struct device *dev)
+{
+ struct hdmi_context *hdata = dev_get_drvdata(dev);
+
+ hdmi_clk_disable_gates(hdata);
+
+ return 0;
+}
+
+static int __maybe_unused exynos_hdmi_resume(struct device *dev)
+{
+ struct hdmi_context *hdata = dev_get_drvdata(dev);
+ int ret;
+
+ ret = hdmi_clk_enable_gates(hdata);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static const struct dev_pm_ops exynos_hdmi_pm_ops = {
+ SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+};
+
+struct platform_driver hdmi_driver = {
+ .probe = hdmi_probe,
+ .remove = hdmi_remove,
+ .driver = {
+ .name = "exynos-hdmi",
+ .owner = THIS_MODULE,
+ .pm = &exynos_hdmi_pm_ops,
+ .of_match_table = hdmi_match_types,
+ },
+};