From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800

---
 kernel/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c |  344 +++++++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 274 insertions(+), 70 deletions(-)

diff --git a/kernel/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/kernel/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
index dc9b139..b64d93d 100644
--- a/kernel/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
+++ b/kernel/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
@@ -5,6 +5,7 @@
 
 #include <linux/delay.h>
 #include <linux/of_address.h>
+#include <linux/of_platform.h>
 
 #include "sun8i_dw_hdmi.h"
 
@@ -13,6 +14,114 @@
  * it is set in BSP driver.
  */
 #define I2C_ADDR	0x69
+
+static const struct dw_hdmi_mpll_config sun50i_h6_mpll_cfg[] = {
+	{
+		30666000, {
+			{ 0x00b3, 0x0000 },
+			{ 0x2153, 0x0000 },
+			{ 0x40f3, 0x0000 },
+		},
+	},  {
+		36800000, {
+			{ 0x00b3, 0x0000 },
+			{ 0x2153, 0x0000 },
+			{ 0x40a2, 0x0001 },
+		},
+	},  {
+		46000000, {
+			{ 0x00b3, 0x0000 },
+			{ 0x2142, 0x0001 },
+			{ 0x40a2, 0x0001 },
+		},
+	},  {
+		61333000, {
+			{ 0x0072, 0x0001 },
+			{ 0x2142, 0x0001 },
+			{ 0x40a2, 0x0001 },
+		},
+	},  {
+		73600000, {
+			{ 0x0072, 0x0001 },
+			{ 0x2142, 0x0001 },
+			{ 0x4061, 0x0002 },
+		},
+	},  {
+		92000000, {
+			{ 0x0072, 0x0001 },
+			{ 0x2145, 0x0002 },
+			{ 0x4061, 0x0002 },
+		},
+	},  {
+		122666000, {
+			{ 0x0051, 0x0002 },
+			{ 0x2145, 0x0002 },
+			{ 0x4061, 0x0002 },
+		},
+	},  {
+		147200000, {
+			{ 0x0051, 0x0002 },
+			{ 0x2145, 0x0002 },
+			{ 0x4064, 0x0003 },
+		},
+	},  {
+		184000000, {
+			{ 0x0051, 0x0002 },
+			{ 0x214c, 0x0003 },
+			{ 0x4064, 0x0003 },
+		},
+	},  {
+		226666000, {
+			{ 0x0040, 0x0003 },
+			{ 0x214c, 0x0003 },
+			{ 0x4064, 0x0003 },
+		},
+	},  {
+		272000000, {
+			{ 0x0040, 0x0003 },
+			{ 0x214c, 0x0003 },
+			{ 0x5a64, 0x0003 },
+		},
+	},  {
+		340000000, {
+			{ 0x0040, 0x0003 },
+			{ 0x3b4c, 0x0003 },
+			{ 0x5a64, 0x0003 },
+		},
+	},  {
+		594000000, {
+			{ 0x1a40, 0x0003 },
+			{ 0x3b4c, 0x0003 },
+			{ 0x5a64, 0x0003 },
+		},
+	}, {
+		~0UL, {
+			{ 0x0000, 0x0000 },
+			{ 0x0000, 0x0000 },
+			{ 0x0000, 0x0000 },
+		},
+	}
+};
+
+static const struct dw_hdmi_curr_ctrl sun50i_h6_cur_ctr[] = {
+	/* pixelclk    bpp8    bpp10   bpp12 */
+	{ 27000000,  { 0x0012, 0x0000, 0x0000 }, },
+	{ 74250000,  { 0x0013, 0x001a, 0x001b }, },
+	{ 148500000, { 0x0019, 0x0033, 0x0034 }, },
+	{ 297000000, { 0x0019, 0x001b, 0x001b }, },
+	{ 594000000, { 0x0010, 0x001b, 0x001b }, },
+	{ ~0UL,      { 0x0000, 0x0000, 0x0000 }, }
+};
+
+static const struct dw_hdmi_phy_config sun50i_h6_phy_config[] = {
+	/*pixelclk   symbol   term   vlev*/
+	{ 27000000,  0x8009, 0x0007, 0x02b0 },
+	{ 74250000,  0x8009, 0x0006, 0x022d },
+	{ 148500000, 0x8029, 0x0006, 0x0270 },
+	{ 297000000, 0x8039, 0x0005, 0x01ab },
+	{ 594000000, 0x8029, 0x0000, 0x008a },
+	{ ~0UL,	     0x0000, 0x0000, 0x0000}
+};
 
 static int sun8i_hdmi_phy_config_a83t(struct dw_hdmi *hdmi,
 				      struct sun8i_hdmi_phy *phy,
@@ -225,7 +334,8 @@
 }
 
 static int sun8i_hdmi_phy_config(struct dw_hdmi *hdmi, void *data,
-				 struct drm_display_mode *mode)
+				 const struct drm_display_info *display,
+				 const struct drm_display_mode *mode)
 {
 	struct sun8i_hdmi_phy *phy = (struct sun8i_hdmi_phy *)data;
 	u32 val = 0;
@@ -280,8 +390,31 @@
 	.setup_hpd = &dw_hdmi_phy_setup_hpd,
 };
 
+static void sun8i_hdmi_phy_unlock(struct sun8i_hdmi_phy *phy)
+{
+	/* enable read access to HDMI controller */
+	regmap_write(phy->regs, SUN8I_HDMI_PHY_READ_EN_REG,
+		     SUN8I_HDMI_PHY_READ_EN_MAGIC);
+
+	/* unscramble register offsets */
+	regmap_write(phy->regs, SUN8I_HDMI_PHY_UNSCRAMBLE_REG,
+		     SUN8I_HDMI_PHY_UNSCRAMBLE_MAGIC);
+}
+
+static void sun50i_hdmi_phy_init_h6(struct sun8i_hdmi_phy *phy)
+{
+	regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_REXT_CTRL_REG,
+			   SUN8I_HDMI_PHY_REXT_CTRL_REXT_EN,
+			   SUN8I_HDMI_PHY_REXT_CTRL_REXT_EN);
+
+	regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_REXT_CTRL_REG,
+			   0xffff0000, 0x80c00000);
+}
+
 static void sun8i_hdmi_phy_init_a83t(struct sun8i_hdmi_phy *phy)
 {
+	sun8i_hdmi_phy_unlock(phy);
+
 	regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_DBG_CTRL_REG,
 			   SUN8I_HDMI_PHY_DBG_CTRL_PX_LOCK,
 			   SUN8I_HDMI_PHY_DBG_CTRL_PX_LOCK);
@@ -298,6 +431,8 @@
 static void sun8i_hdmi_phy_init_h3(struct sun8i_hdmi_phy *phy)
 {
 	unsigned int val;
+
+	sun8i_hdmi_phy_unlock(phy);
 
 	regmap_write(phy->regs, SUN8I_HDMI_PHY_ANA_CFG1_REG, 0);
 	regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_ANA_CFG1_REG,
@@ -371,25 +506,79 @@
 	phy->rcal = (val & SUN8I_HDMI_PHY_ANA_STS_RCAL_MASK) >> 2;
 }
 
-void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy)
+int sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy)
 {
-	/* enable read access to HDMI controller */
-	regmap_write(phy->regs, SUN8I_HDMI_PHY_READ_EN_REG,
-		     SUN8I_HDMI_PHY_READ_EN_MAGIC);
+	int ret;
 
-	/* unscramble register offsets */
-	regmap_write(phy->regs, SUN8I_HDMI_PHY_UNSCRAMBLE_REG,
-		     SUN8I_HDMI_PHY_UNSCRAMBLE_MAGIC);
+	ret = reset_control_deassert(phy->rst_phy);
+	if (ret) {
+		dev_err(phy->dev, "Cannot deassert phy reset control: %d\n", ret);
+		return ret;
+	}
+
+	ret = clk_prepare_enable(phy->clk_bus);
+	if (ret) {
+		dev_err(phy->dev, "Cannot enable bus clock: %d\n", ret);
+		goto err_assert_rst_phy;
+	}
+
+	ret = clk_prepare_enable(phy->clk_mod);
+	if (ret) {
+		dev_err(phy->dev, "Cannot enable mod clock: %d\n", ret);
+		goto err_disable_clk_bus;
+	}
+
+	if (phy->variant->has_phy_clk) {
+		ret = sun8i_phy_clk_create(phy, phy->dev,
+					   phy->variant->has_second_pll);
+		if (ret) {
+			dev_err(phy->dev, "Couldn't create the PHY clock\n");
+			goto err_disable_clk_mod;
+		}
+
+		clk_prepare_enable(phy->clk_phy);
+	}
 
 	phy->variant->phy_init(phy);
+
+	return 0;
+
+err_disable_clk_mod:
+	clk_disable_unprepare(phy->clk_mod);
+err_disable_clk_bus:
+	clk_disable_unprepare(phy->clk_bus);
+err_assert_rst_phy:
+	reset_control_assert(phy->rst_phy);
+
+	return ret;
 }
 
-const struct dw_hdmi_phy_ops *sun8i_hdmi_phy_get_ops(void)
+void sun8i_hdmi_phy_deinit(struct sun8i_hdmi_phy *phy)
 {
-	return &sun8i_hdmi_phy_ops;
+	clk_disable_unprepare(phy->clk_mod);
+	clk_disable_unprepare(phy->clk_bus);
+	clk_disable_unprepare(phy->clk_phy);
+
+	reset_control_assert(phy->rst_phy);
 }
 
-static struct regmap_config sun8i_hdmi_phy_regmap_config = {
+void sun8i_hdmi_phy_set_ops(struct sun8i_hdmi_phy *phy,
+			    struct dw_hdmi_plat_data *plat_data)
+{
+	struct sun8i_hdmi_phy_variant *variant = phy->variant;
+
+	if (variant->is_custom_phy) {
+		plat_data->phy_ops = &sun8i_hdmi_phy_ops;
+		plat_data->phy_name = "sun8i_dw_hdmi_phy";
+		plat_data->phy_data = phy;
+	} else {
+		plat_data->mpll_cfg = variant->mpll_cfg;
+		plat_data->cur_ctr = variant->cur_ctr;
+		plat_data->phy_config = variant->phy_cfg;
+	}
+}
+
+static const struct regmap_config sun8i_hdmi_phy_regmap_config = {
 	.reg_bits	= 32,
 	.val_bits	= 32,
 	.reg_stride	= 4,
@@ -397,14 +586,8 @@
 	.name		= "phy"
 };
 
-static const struct sun8i_hdmi_phy_variant sun50i_a64_hdmi_phy = {
-	.has_phy_clk = true,
-	.phy_init = &sun8i_hdmi_phy_init_h3,
-	.phy_disable = &sun8i_hdmi_phy_disable_h3,
-	.phy_config = &sun8i_hdmi_phy_config_h3,
-};
-
 static const struct sun8i_hdmi_phy_variant sun8i_a83t_hdmi_phy = {
+	.is_custom_phy = true,
 	.phy_init = &sun8i_hdmi_phy_init_a83t,
 	.phy_disable = &sun8i_hdmi_phy_disable_a83t,
 	.phy_config = &sun8i_hdmi_phy_config_a83t,
@@ -412,16 +595,37 @@
 
 static const struct sun8i_hdmi_phy_variant sun8i_h3_hdmi_phy = {
 	.has_phy_clk = true,
+	.is_custom_phy = true,
 	.phy_init = &sun8i_hdmi_phy_init_h3,
 	.phy_disable = &sun8i_hdmi_phy_disable_h3,
 	.phy_config = &sun8i_hdmi_phy_config_h3,
 };
 
+static const struct sun8i_hdmi_phy_variant sun8i_r40_hdmi_phy = {
+	.has_phy_clk = true,
+	.has_second_pll = true,
+	.is_custom_phy = true,
+	.phy_init = &sun8i_hdmi_phy_init_h3,
+	.phy_disable = &sun8i_hdmi_phy_disable_h3,
+	.phy_config = &sun8i_hdmi_phy_config_h3,
+};
+
+static const struct sun8i_hdmi_phy_variant sun50i_a64_hdmi_phy = {
+	.has_phy_clk = true,
+	.is_custom_phy = true,
+	.phy_init = &sun8i_hdmi_phy_init_h3,
+	.phy_disable = &sun8i_hdmi_phy_disable_h3,
+	.phy_config = &sun8i_hdmi_phy_config_h3,
+};
+
+static const struct sun8i_hdmi_phy_variant sun50i_h6_hdmi_phy = {
+	.cur_ctr  = sun50i_h6_cur_ctr,
+	.mpll_cfg = sun50i_h6_mpll_cfg,
+	.phy_cfg  = sun50i_h6_phy_config,
+	.phy_init = &sun50i_hdmi_phy_init_h6,
+};
+
 static const struct of_device_id sun8i_hdmi_phy_of_table[] = {
-	{
-		.compatible = "allwinner,sun50i-a64-hdmi-phy",
-		.data = &sun50i_a64_hdmi_phy,
-	},
 	{
 		.compatible = "allwinner,sun8i-a83t-hdmi-phy",
 		.data = &sun8i_a83t_hdmi_phy,
@@ -430,13 +634,45 @@
 		.compatible = "allwinner,sun8i-h3-hdmi-phy",
 		.data = &sun8i_h3_hdmi_phy,
 	},
+	{
+		.compatible = "allwinner,sun8i-r40-hdmi-phy",
+		.data = &sun8i_r40_hdmi_phy,
+	},
+	{
+		.compatible = "allwinner,sun50i-a64-hdmi-phy",
+		.data = &sun50i_a64_hdmi_phy,
+	},
+	{
+		.compatible = "allwinner,sun50i-h6-hdmi-phy",
+		.data = &sun50i_h6_hdmi_phy,
+	},
 	{ /* sentinel */ }
 };
 
-int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node)
+int sun8i_hdmi_phy_get(struct sun8i_dw_hdmi *hdmi, struct device_node *node)
+{
+	struct platform_device *pdev = of_find_device_by_node(node);
+	struct sun8i_hdmi_phy *phy;
+
+	if (!pdev)
+		return -EPROBE_DEFER;
+
+	phy = platform_get_drvdata(pdev);
+	if (!phy)
+		return -EPROBE_DEFER;
+
+	hdmi->phy = phy;
+
+	put_device(&pdev->dev);
+
+	return 0;
+}
+
+static int sun8i_hdmi_phy_probe(struct platform_device *pdev)
 {
 	const struct of_device_id *match;
-	struct device *dev = hdmi->dev;
+	struct device *dev = &pdev->dev;
+	struct device_node *node = dev->of_node;
 	struct sun8i_hdmi_phy *phy;
 	struct resource res;
 	void __iomem *regs;
@@ -453,6 +689,7 @@
 		return -ENOMEM;
 
 	phy->variant = (struct sun8i_hdmi_phy_variant *)match->data;
+	phy->dev = dev;
 
 	ret = of_address_to_resource(node, 0, &res);
 	if (ret) {
@@ -511,47 +748,10 @@
 		goto err_put_clk_pll1;
 	}
 
-	ret = reset_control_deassert(phy->rst_phy);
-	if (ret) {
-		dev_err(dev, "Cannot deassert phy reset control: %d\n", ret);
-		goto err_put_rst_phy;
-	}
-
-	ret = clk_prepare_enable(phy->clk_bus);
-	if (ret) {
-		dev_err(dev, "Cannot enable bus clock: %d\n", ret);
-		goto err_deassert_rst_phy;
-	}
-
-	ret = clk_prepare_enable(phy->clk_mod);
-	if (ret) {
-		dev_err(dev, "Cannot enable mod clock: %d\n", ret);
-		goto err_disable_clk_bus;
-	}
-
-	if (phy->variant->has_phy_clk) {
-		ret = sun8i_phy_clk_create(phy, dev,
-					   phy->variant->has_second_pll);
-		if (ret) {
-			dev_err(dev, "Couldn't create the PHY clock\n");
-			goto err_disable_clk_mod;
-		}
-
-		clk_prepare_enable(phy->clk_phy);
-	}
-
-	hdmi->phy = phy;
+	platform_set_drvdata(pdev, phy);
 
 	return 0;
 
-err_disable_clk_mod:
-	clk_disable_unprepare(phy->clk_mod);
-err_disable_clk_bus:
-	clk_disable_unprepare(phy->clk_bus);
-err_deassert_rst_phy:
-	reset_control_assert(phy->rst_phy);
-err_put_rst_phy:
-	reset_control_put(phy->rst_phy);
 err_put_clk_pll1:
 	clk_put(phy->clk_pll1);
 err_put_clk_pll0:
@@ -564,15 +764,9 @@
 	return ret;
 }
 
-void sun8i_hdmi_phy_remove(struct sun8i_dw_hdmi *hdmi)
+static int sun8i_hdmi_phy_remove(struct platform_device *pdev)
 {
-	struct sun8i_hdmi_phy *phy = hdmi->phy;
-
-	clk_disable_unprepare(phy->clk_mod);
-	clk_disable_unprepare(phy->clk_bus);
-	clk_disable_unprepare(phy->clk_phy);
-
-	reset_control_assert(phy->rst_phy);
+	struct sun8i_hdmi_phy *phy = platform_get_drvdata(pdev);
 
 	reset_control_put(phy->rst_phy);
 
@@ -580,4 +774,14 @@
 	clk_put(phy->clk_pll1);
 	clk_put(phy->clk_mod);
 	clk_put(phy->clk_bus);
+	return 0;
 }
+
+struct platform_driver sun8i_hdmi_phy_driver = {
+	.probe  = sun8i_hdmi_phy_probe,
+	.remove = sun8i_hdmi_phy_remove,
+	.driver = {
+		.name = "sun8i-hdmi-phy",
+		.of_match_table = sun8i_hdmi_phy_of_table,
+	},
+};

--
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