summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/sun4i/sun4i_backend.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/sun4i/sun4i_backend.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_backend.h')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_backend.h211
1 files changed, 211 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h
new file mode 100644
index 000000000..b4383777c
--- /dev/null
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.h
@@ -0,0 +1,211 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015 Free Electrons
+ * Copyright (C) 2015 NextThing Co
+ *
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ */
+
+#ifndef _SUN4I_BACKEND_H_
+#define _SUN4I_BACKEND_H_
+
+#include <linux/clk.h>
+#include <linux/list.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+
+#include "sunxi_engine.h"
+
+#define SUN4I_BACKEND_MODCTL_REG 0x800
+#define SUN4I_BACKEND_MODCTL_LINE_SEL BIT(29)
+#define SUN4I_BACKEND_MODCTL_ITLMOD_EN BIT(28)
+#define SUN4I_BACKEND_MODCTL_OUT_SEL GENMASK(22, 20)
+#define SUN4I_BACKEND_MODCTL_OUT_LCD0 (0 << 20)
+#define SUN4I_BACKEND_MODCTL_OUT_LCD1 (1 << 20)
+#define SUN4I_BACKEND_MODCTL_OUT_FE0 (6 << 20)
+#define SUN4I_BACKEND_MODCTL_OUT_FE1 (7 << 20)
+#define SUN4I_BACKEND_MODCTL_HWC_EN BIT(16)
+#define SUN4I_BACKEND_MODCTL_LAY_EN(l) BIT(8 + l)
+#define SUN4I_BACKEND_MODCTL_OCSC_EN BIT(5)
+#define SUN4I_BACKEND_MODCTL_DFLK_EN BIT(4)
+#define SUN4I_BACKEND_MODCTL_DLP_START_CTL BIT(2)
+#define SUN4I_BACKEND_MODCTL_START_CTL BIT(1)
+#define SUN4I_BACKEND_MODCTL_DEBE_EN BIT(0)
+
+#define SUN4I_BACKEND_BACKCOLOR_REG 0x804
+#define SUN4I_BACKEND_BACKCOLOR(r, g, b) (((r) << 16) | ((g) << 8) | (b))
+
+#define SUN4I_BACKEND_DISSIZE_REG 0x808
+#define SUN4I_BACKEND_DISSIZE(w, h) (((((h) - 1) & 0xffff) << 16) | \
+ (((w) - 1) & 0xffff))
+
+#define SUN4I_BACKEND_LAYSIZE_REG(l) (0x810 + (0x4 * (l)))
+#define SUN4I_BACKEND_LAYSIZE(w, h) (((((h) - 1) & 0x1fff) << 16) | \
+ (((w) - 1) & 0x1fff))
+
+#define SUN4I_BACKEND_LAYCOOR_REG(l) (0x820 + (0x4 * (l)))
+#define SUN4I_BACKEND_LAYCOOR(x, y) ((((u32)(y) & 0xffff) << 16) | \
+ ((u32)(x) & 0xffff))
+
+#define SUN4I_BACKEND_LAYLINEWIDTH_REG(l) (0x840 + (0x4 * (l)))
+
+#define SUN4I_BACKEND_LAYFB_L32ADD_REG(l) (0x850 + (0x4 * (l)))
+
+#define SUN4I_BACKEND_LAYFB_H4ADD_REG 0x860
+#define SUN4I_BACKEND_LAYFB_H4ADD_MSK(l) GENMASK(3 + ((l) * 8), (l) * 8)
+#define SUN4I_BACKEND_LAYFB_H4ADD(l, val) ((val) << ((l) * 8))
+
+#define SUN4I_BACKEND_REGBUFFCTL_REG 0x870
+#define SUN4I_BACKEND_REGBUFFCTL_AUTOLOAD_DIS BIT(1)
+#define SUN4I_BACKEND_REGBUFFCTL_LOADCTL BIT(0)
+
+#define SUN4I_BACKEND_CKMAX_REG 0x880
+#define SUN4I_BACKEND_CKMIN_REG 0x884
+#define SUN4I_BACKEND_CKCFG_REG 0x888
+#define SUN4I_BACKEND_ATTCTL_REG0(l) (0x890 + (0x4 * (l)))
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_MASK GENMASK(31, 24)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA(x) ((x) << 24)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL_MASK BIT(15)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(x) ((x) << 15)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL_MASK GENMASK(11, 10)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL(x) ((x) << 10)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_YUVEN BIT(2)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_VDOEN BIT(1)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_EN BIT(0)
+
+#define SUN4I_BACKEND_ATTCTL_REG1(l) (0x8a0 + (0x4 * (l)))
+#define SUN4I_BACKEND_ATTCTL_REG1_LAY_HSCAFCT GENMASK(15, 14)
+#define SUN4I_BACKEND_ATTCTL_REG1_LAY_WSCAFCT GENMASK(13, 12)
+#define SUN4I_BACKEND_ATTCTL_REG1_LAY_FBFMT GENMASK(11, 8)
+#define SUN4I_BACKEND_LAY_FBFMT_1BPP (0 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_2BPP (1 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_4BPP (2 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_8BPP (3 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_RGB655 (4 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_RGB565 (5 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_RGB556 (6 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_ARGB1555 (7 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_RGBA5551 (8 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_XRGB8888 (9 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_ARGB8888 (10 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_RGB888 (11 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_ARGB4444 (12 << 8)
+#define SUN4I_BACKEND_LAY_FBFMT_RGBA4444 (13 << 8)
+
+#define SUN4I_BACKEND_DLCDPCTL_REG 0x8b0
+#define SUN4I_BACKEND_DLCDPFRMBUF_ADDRCTL_REG 0x8b4
+#define SUN4I_BACKEND_DLCDPCOOR_REG0 0x8b8
+#define SUN4I_BACKEND_DLCDPCOOR_REG1 0x8bc
+
+#define SUN4I_BACKEND_INT_EN_REG 0x8c0
+#define SUN4I_BACKEND_INT_FLAG_REG 0x8c4
+#define SUN4I_BACKEND_REG_LOAD_FINISHED BIT(1)
+
+#define SUN4I_BACKEND_HWCCTL_REG 0x8d8
+#define SUN4I_BACKEND_HWCFBCTL_REG 0x8e0
+#define SUN4I_BACKEND_WBCTL_REG 0x8f0
+#define SUN4I_BACKEND_WBADD_REG 0x8f4
+#define SUN4I_BACKEND_WBLINEWIDTH_REG 0x8f8
+#define SUN4I_BACKEND_SPREN_REG 0x900
+#define SUN4I_BACKEND_SPRFMTCTL_REG 0x908
+#define SUN4I_BACKEND_SPRALPHACTL_REG 0x90c
+
+#define SUN4I_BACKEND_IYUVCTL_REG 0x920
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_MASK GENMASK(14, 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV444 (4 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV422 (3 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV444 (2 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV222 (1 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV111 (0 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_MASK GENMASK(9, 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_YVYU (3 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_VYUY (2 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_YUYV (1 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_UYVY (0 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_VUYA (1 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_AYUV (0 << 8)
+#define SUN4I_BACKEND_IYUVCTL_EN BIT(0)
+
+#define SUN4I_BACKEND_IYUVADD_REG(c) (0x930 + (0x4 * (c)))
+
+#define SUN4I_BACKEND_IYUVLINEWIDTH_REG(c) (0x940 + (0x4 * (c)))
+
+#define SUN4I_BACKEND_YGCOEF_REG(c) (0x950 + (0x4 * (c)))
+#define SUN4I_BACKEND_YGCONS_REG 0x95c
+#define SUN4I_BACKEND_URCOEF_REG(c) (0x960 + (0x4 * (c)))
+#define SUN4I_BACKEND_URCONS_REG 0x96c
+#define SUN4I_BACKEND_VBCOEF_REG(c) (0x970 + (0x4 * (c)))
+#define SUN4I_BACKEND_VBCONS_REG 0x97c
+#define SUN4I_BACKEND_KSCTL_REG 0x980
+#define SUN4I_BACKEND_KSBKCOLOR_REG 0x984
+#define SUN4I_BACKEND_KSFSTLINEWIDTH_REG 0x988
+#define SUN4I_BACKEND_KSVSCAFCT_REG 0x98c
+#define SUN4I_BACKEND_KSHSCACOEF_REG(x) (0x9a0 + (0x4 * (x)))
+#define SUN4I_BACKEND_OCCTL_REG 0x9c0
+#define SUN4I_BACKEND_OCCTL_ENABLE BIT(0)
+
+#define SUN4I_BACKEND_OCRCOEF_REG(x) (0x9d0 + (0x4 * (x)))
+#define SUN4I_BACKEND_OCRCONS_REG 0x9dc
+#define SUN4I_BACKEND_OCGCOEF_REG(x) (0x9e0 + (0x4 * (x)))
+#define SUN4I_BACKEND_OCGCONS_REG 0x9ec
+#define SUN4I_BACKEND_OCBCOEF_REG(x) (0x9f0 + (0x4 * (x)))
+#define SUN4I_BACKEND_OCBCONS_REG 0x9fc
+#define SUN4I_BACKEND_SPRCOORCTL_REG(s) (0xa00 + (0x4 * (s)))
+#define SUN4I_BACKEND_SPRATTCTL_REG(s) (0xb00 + (0x4 * (s)))
+#define SUN4I_BACKEND_SPRADD_REG(s) (0xc00 + (0x4 * (s)))
+#define SUN4I_BACKEND_SPRLINEWIDTH_REG(s) (0xd00 + (0x4 * (s)))
+
+#define SUN4I_BACKEND_SPRPALTAB_OFF 0x4000
+#define SUN4I_BACKEND_GAMMATAB_OFF 0x4400
+#define SUN4I_BACKEND_HWCPATTERN_OFF 0x4800
+#define SUN4I_BACKEND_HWCCOLORTAB_OFF 0x4c00
+#define SUN4I_BACKEND_PIPE_OFF(p) (0x5000 + (0x400 * (p)))
+
+#define SUN4I_BACKEND_NUM_LAYERS 4
+#define SUN4I_BACKEND_NUM_FRONTEND_LAYERS 1
+#define SUN4I_BACKEND_NUM_YUV_PLANES 1
+
+struct sun4i_backend {
+ struct sunxi_engine engine;
+ struct sun4i_frontend *frontend;
+
+ struct reset_control *reset;
+
+ struct clk *bus_clk;
+ struct clk *mod_clk;
+ struct clk *ram_clk;
+
+ struct clk *sat_clk;
+ struct reset_control *sat_reset;
+
+ /* Protects against races in the frontend teardown */
+ spinlock_t frontend_lock;
+ bool frontend_teardown;
+
+ const struct sun4i_backend_quirks *quirks;
+};
+
+static inline struct sun4i_backend *
+engine_to_sun4i_backend(struct sunxi_engine *engine)
+{
+ return container_of(engine, struct sun4i_backend, engine);
+}
+
+void sun4i_backend_layer_enable(struct sun4i_backend *backend,
+ int layer, bool enable);
+bool sun4i_backend_format_is_supported(uint32_t fmt, uint64_t modifier);
+int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,
+ int layer, struct drm_plane *plane);
+int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
+ int layer, struct drm_plane *plane);
+int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
+ int layer, struct drm_plane *plane);
+int sun4i_backend_update_layer_frontend(struct sun4i_backend *backend,
+ int layer, uint32_t in_fmt);
+int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend,
+ int layer, struct drm_plane *plane);
+void sun4i_backend_cleanup_layer(struct sun4i_backend *backend,
+ int layer);
+
+#endif /* _SUN4I_BACKEND_H_ */