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Lakka-rk322x/projects/Allwinner/patches/linux/0049-wip-h3-h5-cvbs.patch
2021-10-27 23:37:14 +02:00

308 lines
8.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Wed, 20 Jan 2021 22:15:36 +0100
Subject: [PATCH] wip h3/h5 cvbs
---
arch/arm/boot/dts/sunxi-h3-h5.dtsi | 111 +++++++++++++++++++++++++++-
drivers/clk/sunxi-ng/ccu-sun8i-h3.c | 14 +++-
drivers/gpu/drm/sun4i/Makefile | 2 +-
drivers/gpu/drm/sun4i/sun8i_mixer.c | 42 ++++++++++-
drivers/gpu/drm/sun4i/sun8i_mixer.h | 5 +-
5 files changed, 165 insertions(+), 9 deletions(-)
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index f6b9d8a738d0..c5c53e7bf3bc 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -119,7 +119,7 @@ osc32k: osc32k_clk {
de: display-engine {
compatible = "allwinner,sun8i-h3-display-engine";
- allwinner,pipelines = <&mixer0>;
+ allwinner,pipelines = <&mixer0>, <&mixer1>;
status = "disabled";
};
@@ -156,11 +156,50 @@ ports {
#size-cells = <0>;
mixer0_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
reg = <1>;
- mixer0_out_tcon0: endpoint {
+ mixer0_out_tcon0: endpoint@0 {
+ reg = <0>;
remote-endpoint = <&tcon0_in_mixer0>;
};
+
+ mixer0_out_tcon1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&tcon1_in_mixer0>;
+ };
+ };
+ };
+ };
+
+ mixer1: mixer@1200000 {
+ compatible = "allwinner,sun8i-h3-de2-mixer-1";
+ reg = <0x01200000 0x100000>;
+ clocks = <&display_clocks CLK_BUS_MIXER1>,
+ <&display_clocks CLK_MIXER1>;
+ clock-names = "bus",
+ "mod";
+ resets = <&display_clocks RST_WB>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ mixer1_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ mixer1_out_tcon0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&tcon0_in_mixer1>;
+ };
+
+ mixer1_out_tcon1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&tcon1_in_mixer1>;
+ };
};
};
};
@@ -189,11 +228,19 @@ ports {
#size-cells = <0>;
tcon0_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
reg = <0>;
- tcon0_in_mixer0: endpoint {
+ tcon0_in_mixer0: endpoint@0 {
+ reg = <0>;
remote-endpoint = <&mixer0_out_tcon0>;
};
+
+ tcon0_in_mixer1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&mixer1_out_tcon0>;
+ };
};
tcon0_out: port@1 {
@@ -209,6 +256,49 @@ tcon0_out_hdmi: endpoint@1 {
};
};
+ tcon1: lcd-controller@1c0d000 {
+ compatible = "allwinner,sun8i-h3-tcon-tv",
+ "allwinner,sun8i-a83t-tcon-tv";
+ reg = <0x01c0d000 0x1000>;
+ interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_TCON1>, <&ccu CLK_TVE>;
+ clock-names = "ahb", "tcon-ch1";
+ resets = <&ccu RST_BUS_TCON1>;
+ reset-names = "lcd";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tcon1_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ tcon1_in_mixer0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&mixer0_out_tcon1>;
+ };
+
+ tcon1_in_mixer1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&mixer1_out_tcon1>;
+ };
+ };
+
+ tcon1_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ tcon1_out_tve: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&tve_in_tcon1>;
+ };
+ };
+ };
+ };
+
mmc0: mmc@1c0f000 {
/* compatible and clocks are in per SoC .dtsi file */
reg = <0x01c0f000 0x1000>;
@@ -822,6 +912,21 @@ csi: camera@1cb0000 {
status = "disabled";
};
+ tve: tv-encoder@1e00000 {
+ compatible = "allwinner,sun8i-h3-tv-encoder",
+ "allwinner,sun4i-a10-tv-encoder";
+ reg = <0x01e00000 0x1000>;
+ clocks = <&ccu CLK_BUS_TVE>;
+ resets = <&ccu RST_BUS_TVE>;
+ status = "disabled";
+
+ port {
+ tve_in_tcon1: endpoint {
+ remote-endpoint = <&tcon1_out_tve>;
+ };
+ };
+ };
+
hdmi: hdmi@1ee0000 {
#sound-dai-cells = <0>;
compatible = "allwinner,sun8i-h3-dw-hdmi",
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
index 7e629a4493af..334b7edea3b7 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
@@ -456,8 +456,18 @@ static SUNXI_CCU_M_WITH_MUX_GATE(tcon_clk, "tcon", tcon_parents,
CLK_SET_RATE_PARENT);
static const char * const tve_parents[] = { "pll-de", "pll-periph1" };
-static SUNXI_CCU_M_WITH_MUX_GATE(tve_clk, "tve", tve_parents,
- 0x120, 0, 4, 24, 3, BIT(31), 0);
+struct ccu_div tve_clk = {
+ .enable = BIT(31),
+ .div = _SUNXI_CCU_DIV(0, 4),
+ .mux = _SUNXI_CCU_MUX(24, 3),
+ .fixed_post_div = 16,
+ .common = {
+ .reg = 0x120,
+ .features = CCU_FEATURE_FIXED_POSTDIV,
+ .hw.init = CLK_HW_INIT_PARENTS("tve", tve_parents,
+ &ccu_div_ops, 0),
+ },
+};
static const char * const deinterlace_parents[] = { "pll-periph0", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", deinterlace_parents,
diff --git a/drivers/gpu/drm/sun4i/Makefile b/drivers/gpu/drm/sun4i/Makefile
index 0d04f2447b01..7b151994e904 100644
--- a/drivers/gpu/drm/sun4i/Makefile
+++ b/drivers/gpu/drm/sun4i/Makefile
@@ -16,7 +16,7 @@ sun8i-drm-hdmi-y += sun8i_hdmi_phy_clk.o
sun8i-mixer-y += sun8i_mixer.o sun8i_ui_layer.o \
sun8i_vi_layer.o sun8i_ui_scaler.o \
- sun8i_vi_scaler.o sun8i_csc.o
+ sun8i_vi_scaler.o sun8i_csc.o sun4i_tv.o
sun4i-tcon-y += sun4i_crtc.o
sun4i-tcon-y += sun4i_dotclock.o
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index ba239b20a639..536ff2d15926 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -32,6 +32,12 @@ struct de2_fmt_info {
u32 de2_fmt;
};
+static const u32 sun8i_rgb2yuv_coef[12] = {
+ 0x00000107, 0x00000204, 0x00000064, 0x00004200,
+ 0x00001f68, 0x00001ed6, 0x000001c2, 0x00020200,
+ 0x000001c2, 0x00001e87, 0x00001fb7, 0x00020200,
+};
+
static const struct de2_fmt_info de2_formats[] = {
{
.drm_fmt = DRM_FORMAT_ARGB8888,
@@ -341,9 +347,28 @@ static struct drm_plane **sun8i_layers_init(struct drm_device *drm,
return planes;
}
+static void sun8i_mixer_apply_color_correction(struct sunxi_engine *engine)
+{
+ DRM_DEBUG_DRIVER("Applying RGB to YUV color correction\n");
+
+ regmap_bulk_write(engine->regs, SUN8I_MIXER_DCSC_COEF_REG(0),
+ sun8i_rgb2yuv_coef, 12);
+ regmap_write(engine->regs, SUN8I_MIXER_DCSC_EN, 1);
+}
+
+static void sun8i_mixer_disable_color_correction(struct sunxi_engine *engine)
+{
+ DRM_DEBUG_DRIVER("Disabling color correction\n");
+
+ /* Disable color correction */
+ regmap_write(engine->regs, SUN8I_MIXER_DCSC_EN, 0);
+}
+
static const struct sunxi_engine_ops sun8i_engine_ops = {
- .commit = sun8i_mixer_commit,
- .layers_init = sun8i_layers_init,
+ .commit = sun8i_mixer_commit,
+ .layers_init = sun8i_layers_init,
+ .apply_color_correction = sun8i_mixer_apply_color_correction,
+ .disable_color_correction = sun8i_mixer_disable_color_correction,
};
static bool sun8i_mixer_volatile_reg(struct device *dev, unsigned int reg)
@@ -608,6 +633,15 @@ static const struct sun8i_mixer_cfg sun8i_h3_mixer0_cfg = {
.vi_num = 1,
};
+static const struct sun8i_mixer_cfg sun8i_h3_mixer1_cfg = {
+ .ccsc = 1,
+ .mod_rate = 432000000,
+ .scaler_mask = 0x3,
+ .scanline_yuv = 2048,
+ .ui_num = 1,
+ .vi_num = 1,
+};
+
static const struct sun8i_mixer_cfg sun8i_r40_mixer0_cfg = {
.ccsc = 0,
.mod_rate = 297000000,
@@ -676,6 +710,10 @@ static const struct of_device_id sun8i_mixer_of_table[] = {
.compatible = "allwinner,sun8i-h3-de2-mixer-0",
.data = &sun8i_h3_mixer0_cfg,
},
+ {
+ .compatible = "allwinner,sun8i-h3-de2-mixer-1",
+ .data = &sun8i_h3_mixer1_cfg,
+ },
{
.compatible = "allwinner,sun8i-r40-de2-mixer-0",
.data = &sun8i_r40_mixer0_cfg,
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h
index e7eebe7dd1af..dc45a37ae56e 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.h
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h
@@ -120,6 +120,10 @@
/* format 20 is packed YVU444 10-bit */
/* format 21 is packed YUV444 10-bit */
+/* The DCSC sub-engine is used to do color space conversation */
+#define SUN8I_MIXER_DCSC_EN 0xb0000
+#define SUN8I_MIXER_DCSC_COEF_REG(x) (0xb0010 + 0x4 * (x))
+
/*
* Sub-engines listed bellow are unused for now. The EN registers are here only
* to be used to disable these sub-engines.
@@ -130,7 +134,6 @@
#define SUN8I_MIXER_PEAK_EN 0xa6000
#define SUN8I_MIXER_ASE_EN 0xa8000
#define SUN8I_MIXER_FCC_EN 0xaa000
-#define SUN8I_MIXER_DCSC_EN 0xb0000
#define SUN50I_MIXER_FCE_EN 0x70000
#define SUN50I_MIXER_PEAK_EN 0x70800