[PATCH v3, 00/15] drm/mediatek: add support for mediatek SOC MT8192

@@ -44,7 +44,7 @@ Required properties (all function blocks):
 	"mediatek,<chip>-dpi"        		- DPI controller, see mediatek,dpi.txt
 	"mediatek,<chip>-disp-mutex" 		- display mutex
 	"mediatek,<chip>-disp-od"    		- overdrive
-  the supported chips are mt2701, mt7623, mt2712, mt8167, mt8173 and mt8183.
+  the supported chips are mt2701, mt7623, mt2712, mt8167, mt8173, mt8183 and mt8192.
 - reg: Physical base address and length of the function block register space
 - interrupts: The interrupt signal from the function block (required, except for
   merge and split function blocks).

@@ -37,6 +37,7 @@ Required properties (all function blocks):
 	"mediatek,<chip>-disp-aal"   		- adaptive ambient light controller
 	"mediatek,<chip>-disp-gamma" 		- gamma correction
 	"mediatek,<chip>-disp-merge" 		- merge streams from two RDMA sources
+	"mediatek,<chip>-disp-postmask" 	- control round corner for display frame
 	"mediatek,<chip>-disp-split" 		- split stream to two encoders
 	"mediatek,<chip>-disp-ufoe"  		- data compression engine
 	"mediatek,<chip>-dsi"        		- DSI controller, see mediatek,dsi.txt

@@ -383,6 +383,7 @@ struct mtk_ddp_comp_match {
 	[DDP_COMPONENT_OVL1]	= { MTK_DISP_OVL,	1, NULL },
 	[DDP_COMPONENT_OVL_2L0]	= { MTK_DISP_OVL_2L,	0, NULL },
 	[DDP_COMPONENT_OVL_2L1]	= { MTK_DISP_OVL_2L,	1, NULL },
+	[DDP_COMPONENT_OVL_2L2]	= { MTK_DISP_OVL_2L,	2, NULL },
 	[DDP_COMPONENT_PWM0]	= { MTK_DISP_PWM,	0, NULL },
 	[DDP_COMPONENT_PWM1]	= { MTK_DISP_PWM,	1, NULL },
 	[DDP_COMPONENT_PWM2]	= { MTK_DISP_PWM,	2, NULL },

@@ -3,6 +3,7 @@
 mediatek-drm-y := mtk_disp_color.o \
 		  mtk_disp_gamma.o \
 		  mtk_disp_ovl.o \
+		  mtk_disp_postmask.o \
 		  mtk_disp_rdma.o \
 		  mtk_drm_crtc.o \
 		  mtk_drm_ddp.o \

@@ -0,0 +1,160 @@
+/*
+ * SPDX-License-Identifier:
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+
+#include "mtk_drm_crtc.h"
+#include "mtk_drm_ddp_comp.h"
+
+#define DISP_POSTMASK_EN			0x0000
+#define POSTMASK_EN					BIT(0)
+#define DISP_POSTMASK_CFG			0x0020
+#define POSTMASK_RELAY_MODE				BIT(0)
+#define DISP_POSTMASK_SIZE			0x0030
+
+struct mtk_disp_postmask_data {
+	u32 reserved;
+};
+
+/**
+ * struct mtk_disp_postmask - DISP_postmask driver structure
+ * @ddp_comp - structure containing type enum and hardware resources
+ * @crtc - associated crtc to report irq events to
+ */
+struct mtk_disp_postmask {
+	struct mtk_ddp_comp			ddp_comp;
+	const struct mtk_disp_postmask_data	*data;
+};
+
+static inline struct mtk_disp_postmask *comp_to_postmask(struct mtk_ddp_comp *comp)
+{
+	return container_of(comp, struct mtk_disp_postmask, ddp_comp);
+}
+
+static void mtk_postmask_config(struct mtk_ddp_comp *comp, unsigned int w,
+			      unsigned int h, unsigned int vrefresh,
+			      unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
+{
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_POSTMASK_SIZE);
+	mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, comp, DISP_POSTMASK_CFG);
+}
+
+static void mtk_postmask_start(struct mtk_ddp_comp *comp)
+{
+	writel(POSTMASK_EN, comp->regs + DISP_POSTMASK_EN);
+}
+
+static void mtk_postmask_stop(struct mtk_ddp_comp *comp)
+{
+	writel_relaxed(0x0, comp->regs + DISP_POSTMASK_EN);
+}
+
+static const struct mtk_ddp_comp_funcs mtk_disp_postmask_funcs = {
+	.config = mtk_postmask_config,
+	.start = mtk_postmask_start,
+	.stop = mtk_postmask_stop,
+};
+
+static int mtk_disp_postmask_bind(struct device *dev, struct device *master, void *data)
+{
+	struct mtk_disp_postmask *priv = dev_get_drvdata(dev);
+	struct drm_device *drm_dev = data;
+	int ret;
+
+	ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp);
+	if (ret < 0) {
+		dev_err(dev, "Failed to register component %pOF: %d\n",
+			dev->of_node, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void mtk_disp_postmask_unbind(struct device *dev, struct device *master,
+				  void *data)
+{
+	struct mtk_disp_postmask *priv = dev_get_drvdata(dev);
+	struct drm_device *drm_dev = data;
+
+	mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp);
+}
+
+static const struct component_ops mtk_disp_postmask_component_ops = {
+	.bind	= mtk_disp_postmask_bind,
+	.unbind = mtk_disp_postmask_unbind,
+};
+
+static int mtk_disp_postmask_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct mtk_disp_postmask *priv;
+	int comp_id;
+	int ret;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_POSTMASK);
+	if (comp_id < 0) {
+		dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
+		return comp_id;
+	}
+
+	ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
+				&mtk_disp_postmask_funcs);
+	if (ret) {
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "Failed to initialize component: %d\n",
+				ret);
+
+		return ret;
+	}
+
+	priv->data = of_device_get_match_data(dev);
+
+	platform_set_drvdata(pdev, priv);
+
+	pm_runtime_enable(dev);
+
+	ret = component_add(dev, &mtk_disp_postmask_component_ops);
+	if (ret)
+		dev_err(dev, "Failed to add component: %d\n", ret);
+
+	return ret;
+}
+
+static int mtk_disp_postmask_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+
+	component_del(&pdev->dev, &mtk_disp_postmask_component_ops);
+
+	return 0;
+}
+
+static const struct of_device_id mtk_disp_postmask_driver_dt_match[] = {
+	{},
+};
+MODULE_DEVICE_TABLE(of, mtk_disp_postmask_driver_dt_match);
+
+struct platform_driver mtk_disp_postmask_driver = {
+	.probe		= mtk_disp_postmask_probe,
+	.remove		= mtk_disp_postmask_remove,
+	.driver		= {
+		.name	= "mediatek-disp-postmask",
+		.owner	= THIS_MODULE,
+		.of_match_table = mtk_disp_postmask_driver_dt_match,
+	},
+};

@@ -354,6 +354,7 @@ static void mtk_dither_stop(struct mtk_ddp_comp *comp)
 	[MTK_DISP_MUTEX] = "mutex",
 	[MTK_DISP_OD] = "od",
 	[MTK_DISP_BLS] = "bls",
+	[MTK_DISP_POSTMASK] = "postmask",
 };
 
 struct mtk_ddp_comp_match {

@@ -384,6 +385,7 @@ struct mtk_ddp_comp_match {
 	[DDP_COMPONENT_OVL_2L0]	= { MTK_DISP_OVL_2L,	0, NULL },
 	[DDP_COMPONENT_OVL_2L1]	= { MTK_DISP_OVL_2L,	1, NULL },
 	[DDP_COMPONENT_OVL_2L2]	= { MTK_DISP_OVL_2L,	2, NULL },
+	[DDP_COMPONENT_POSTMASK0]	= { MTK_DISP_POSTMASK,	0, NULL },
 	[DDP_COMPONENT_PWM0]	= { MTK_DISP_PWM,	0, NULL },
 	[DDP_COMPONENT_PWM1]	= { MTK_DISP_PWM,	1, NULL },
 	[DDP_COMPONENT_PWM2]	= { MTK_DISP_PWM,	2, NULL },

@@ -29,6 +29,7 @@ enum mtk_ddp_comp_type {
 	MTK_DISP_UFOE,
 	MTK_DSI,
 	MTK_DPI,
+	MTK_DISP_POSTMASK,
 	MTK_DISP_PWM,
 	MTK_DISP_MUTEX,
 	MTK_DISP_OD,

@@ -533,7 +533,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		private->comp_node[comp_id] = of_node_get(node);
 
 		/*
-		 * Currently only the COLOR, GAMMA, OVL, RDMA, DSI, and DPI blocks have
+		 * Currently only the COLOR, GAMMA, OVL, POSTMASK, RDMA, DSI, and DPI blocks have
 		 * separate component platform drivers and initialize their own
 		 * DDP component structure. The others are initialized here.
 		 */

@@ -541,6 +541,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		    comp_type == MTK_DISP_GAMMA ||
 		    comp_type == MTK_DISP_OVL ||
 		    comp_type == MTK_DISP_OVL_2L ||
+		    comp_type == MTK_DISP_POSTMASK ||
 		    comp_type == MTK_DISP_RDMA ||
 		    comp_type == MTK_DSI ||
 		    comp_type == MTK_DPI) {

@@ -654,6 +655,7 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
 	&mtk_disp_color_driver,
 	&mtk_disp_gamma_driver,
 	&mtk_disp_ovl_driver,
+	&mtk_disp_postmask_driver,
 	&mtk_disp_rdma_driver,
 	&mtk_dpi_driver,
 	&mtk_drm_platform_driver,

@@ -50,6 +50,7 @@ struct mtk_drm_private {
 extern struct platform_driver mtk_disp_color_driver;
 extern struct platform_driver mtk_disp_gamma_driver;
 extern struct platform_driver mtk_disp_ovl_driver;
+extern struct platform_driver mtk_disp_postmask_driver;
 extern struct platform_driver mtk_disp_rdma_driver;
 extern struct platform_driver mtk_dpi_driver;
 extern struct platform_driver mtk_dsi_driver;

@@ -279,7 +279,7 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
 	}
 
 	con = ovl_fmt_convert(ovl, fmt);
-	if (state->base.fb->format->has_alpha)
+	if (state->base.fb && state->base.fb->format->has_alpha)
 		con |= OVL_CON_AEN | OVL_CON_ALPHA;
 
 	if (pending->rotation & DRM_MODE_REFLECT_Y) {

@@ -15,6 +15,11 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		ovl2-2l2 = &ovl_2l2;
+		rdma4 = &rdma4;
+	};
+
 	clk26m: oscillator0 {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;

@@ -508,5 +513,134 @@
 			#size-cells = <0>;
 			status = "disabled";
 		};
+		
+		mmsys: syscon@14000000 {
+			compatible = "mediatek,mt8192-mmsys", "syscon";
+			reg = <0 0x14000000 0 0x1000>;
+			//mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST 1>,
+			//	 <&gce 1 CMDQ_THR_PRIO_HIGHEST 1>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+                mutex: mutex@14001000 {
+			compatible = "mediatek,mt8192-disp-mutex";
+			reg = <0 0x14001000 0 0x1000>;
+			interrupts = <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH 0>;
+			//clocks = <&mmsys CLK_MM_DISP_MUTEX0>;
+			//mediatek,gce-events = <CMDQ_EVENT_DISP_STREAM_DONE_ENG_EVENT_0>,
+			//		      <CMDQ_EVENT_DISP_STREAM_DONE_ENG_EVENT_1>;
+		};
+
+		ovl0: ovl@14005000 {
+			compatible = "mediatek,mt8192-disp-ovl";
+			reg = <0 0x14005000 0 0x1000>;
+			interrupts = <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH 0>;
+			//clocks = <&mmsys CLK_MM_DISP_OVL0>;
+			//iommus = <&iommu0 M4U_PORT_L0_OVL_RDMA0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x5000 0x1000>;
+		};
+
+		ovl_2l0: ovl@14006000 {
+			compatible = "mediatek,mt8192-disp-ovl-2l";
+			reg = <0 0x14006000 0 0x1000>;
+			interrupts = <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_OVL0_2L>;
+			//iommus = <&iommu0 M4U_PORT_L1_OVL_2L_RDMA0>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x6000 0x1000>;
+		};
+
+		rdma0: rdma@14007000 {
+			compatible = "mediatek,mt8192-disp-rdma";
+			reg = <0 0x14007000 0 0x1000>;
+			interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH 0>;
+			//clocks = <&mmsys CLK_MM_DISP_RDMA0>;
+			//iommus = <&iommu0 M4U_PORT_L0_DISP_RDMA0>;
+			//mediatek,larb = <&larb0>;
+			//mediatek,rdma-fifo-size = <5120>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x7000 0x1000>;
+		};
+
+		color0: color@14009000 {
+			compatible = "mediatek,mt8192-disp-color",
+				     "mediatek,mt8173-disp-color";
+			reg = <0 0x14009000 0 0x1000>;
+			interrupts = <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_COLOR0>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x9000 0x1000>;
+		};
+
+		ccorr0: ccorr@1400a000 {
+			compatible = "mediatek,mt8192-disp-ccorr";
+			reg = <0 0x1400a000 0 0x1000>;
+			interrupts = <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_CCORR0>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xa000 0x1000>;
+		};
+
+		aal0: aal@1400b000 {
+			compatible = "mediatek,mt8192-disp-aal";
+			reg = <0 0x1400b000 0 0x1000>;
+			interrupts = <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_AAL0>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xb000 0x1000>;
+		};
+
+		gamma0: gamma@1400c000 {
+			compatible = "mediatek,mt8183-disp-gamma",
+				     "mediatek,mt8192-disp-gamma";
+			reg = <0 0x1400c000 0 0x1000>;
+			interrupts = <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_GAMMA0>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xc000 0x1000>;
+		};
+
+		postmask0: postmask@1400d000 {
+			compatible = "mediatek,mt8192-disp-postmask";
+			reg = <0 0x1400d000 0 0x1000>;
+			interrupts = <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_POSTMASK0>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xd000 0x1000>;
+		};
+
+		dither0: dither@1400e000 {
+			compatible = "mediatek,mt8192-disp-dither",
+				     "mediatek,mt8183-disp-dither";
+			reg = <0 0x1400e000 0 0x1000>;
+			interrupts = <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_DITHER0>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0xe000 0x1000>;
+		};
+
+		ovl_2l2: ovl@14014000 {
+			compatible = "mediatek,mt8192-disp-ovl-2l";
+			reg = <0 0x14014000 0 0x1000>;
+			interrupts = <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_OVL2_2L>;
+			//iommus = <&iommu0 M4U_PORT_L1_OVL_2L_RDMA2>,
+			//	 <&iommu0 M4U_PORT_L1_OVL_2L_RDMA2_HDR>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x4000 0x1000>;
+		};
+
+		rdma4: rdma@14015000 {
+			compatible = "mediatek,mt8192-disp-rdma";
+			reg = <0 0x14015000 0 0x1000>;
+			interrupts = <GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH 0>;
+			//power-domains = <&scpsys MT8192_POWER_DOMAIN_DISP>;
+			//clocks = <&mmsys CLK_MM_DISP_RDMA4>;
+			//iommus = <&iommu0 M4U_PORT_L1_DISP_RDMA4>;
+			//mediatek,rdma-fifo-size = <2048>;
+			//mediatek,gce-client-reg = <&gce SUBSYS_1401XXXX 0x5000 0x1000>;
+		};
 	};
 };

@@ -10,6 +10,7 @@
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/soc/mediatek/mtk-cmdq.h>
 
 #include "mtk_drm_crtc.h"

@@ -156,6 +157,8 @@ static int mtk_disp_gamma_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, priv);
 
+	pm_runtime_enable(dev);
+
 	ret = component_add(dev, &mtk_disp_gamma_component_ops);
 	if (ret)
 		dev_err(dev, "Failed to add component: %d\n", ret);

@@ -165,6 +168,8 @@ static int mtk_disp_gamma_probe(struct platform_device *pdev)
 
 static int mtk_disp_gamma_remove(struct platform_device *pdev)
 {
+	pm_runtime_disable(&pdev->dev);
+
 	component_del(&pdev->dev, &mtk_disp_gamma_component_ops);
 
 	return 0;

@@ -392,6 +392,7 @@ struct mtk_ddp_comp_match {
 	[DDP_COMPONENT_RDMA0]	= { MTK_DISP_RDMA,	0, NULL },
 	[DDP_COMPONENT_RDMA1]	= { MTK_DISP_RDMA,	1, NULL },
 	[DDP_COMPONENT_RDMA2]	= { MTK_DISP_RDMA,	2, NULL },
+	[DDP_COMPONENT_RDMA4]	= { MTK_DISP_RDMA,	4, NULL },
 	[DDP_COMPONENT_UFOE]	= { MTK_DISP_UFOE,	0, &ddp_ufoe },
 	[DDP_COMPONENT_WDMA0]	= { MTK_DISP_WDMA,	0, NULL },
 	[DDP_COMPONENT_WDMA1]	= { MTK_DISP_WDMA,	1, NULL },

@@ -23,6 +23,7 @@
 #define DISP_REG_OVL_RST			0x0014
 #define DISP_REG_OVL_ROI_SIZE			0x0020
 #define DISP_REG_OVL_DATAPATH_CON		0x0024
+#define OVL_LAYER_SMI_ID_EN				BIT(0)
 #define OVL_BGCLR_SEL_IN				BIT(2)
 #define DISP_REG_OVL_ROI_BGCLR			0x0028
 #define DISP_REG_OVL_SRC_CON			0x002c

@@ -61,6 +62,7 @@ struct mtk_disp_ovl_data {
 	unsigned int gmc_bits;
 	unsigned int layer_nr;
 	bool fmt_rgb565_is_0;
+	bool smi_id_en;
 };
 
 /**

@@ -116,7 +118,17 @@ static void mtk_ovl_disable_vblank(struct mtk_ddp_comp *comp)
 
 static void mtk_ovl_start(struct mtk_ddp_comp *comp)
 {
+	struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
+
 	writel_relaxed(0x1, comp->regs + DISP_REG_OVL_EN);
+
+	if(ovl->data->smi_id_en) {
+		unsigned int reg;
+
+		reg = readl(comp->regs + DISP_REG_OVL_DATAPATH_CON);
+		reg = reg | OVL_LAYER_SMI_ID_EN;
+		writel_relaxed(reg, comp->regs + DISP_REG_OVL_DATAPATH_CON);
+	}
 }
 
 static void mtk_ovl_stop(struct mtk_ddp_comp *comp)

@@ -9,6 +9,7 @@
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/soc/mediatek/mtk-cmdq.h>
 
 #include "mtk_drm_crtc.h"

@@ -132,6 +133,8 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, priv);
 
+	pm_runtime_enable(dev);
+
 	ret = component_add(dev, &mtk_disp_color_component_ops);
 	if (ret)
 		dev_err(dev, "Failed to add component: %d\n", ret);

@@ -141,6 +144,8 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
 
 static int mtk_disp_color_remove(struct platform_device *pdev)
 {
+	pm_runtime_disable(&pdev->dev);
+
 	component_del(&pdev->dev, &mtk_disp_color_component_ops);
 
 	return 0;

@@ -174,7 +174,7 @@ static void mtk_aal_config(struct mtk_ddp_comp *comp, unsigned int w,
 			   unsigned int h, unsigned int vrefresh,
 			   unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
-	mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_AAL_SIZE);
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_AAL_SIZE);
 }
 
 static void mtk_aal_start(struct mtk_ddp_comp *comp)

@@ -221,9 +221,15 @@ static int mtk_disp_ccorr_remove(struct platform_device *pdev)
 	.matrix_bits = CCORR_MATRIX_BITS,
 };
 
+static const struct mtk_disp_ccorr_data mt8192_ccorr_driver_data = {
+	.matrix_bits = 13,
+};
+
 static const struct of_device_id mtk_disp_ccorr_driver_dt_match[] = {
 	{ .compatible = "mediatek,mt8183-disp-ccorr",
 	  .data = &mt8183_ccorr_driver_data},
+	{ .compatible = "mediatek,mt8192-disp-ccorr",
+	  .data = &mt8192_ccorr_driver_data},
 	{},
 };
 MODULE_DEVICE_TABLE(of, mtk_disp_ccorr_driver_dt_match);

@@ -457,6 +457,22 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
 	.fmt_rgb565_is_0 = true,
 };
 
+static const struct mtk_disp_ovl_data mt8192_ovl_driver_data = {
+	.addr = DISP_REG_OVL_ADDR_MT8173,
+	.gmc_bits = 10,
+	.layer_nr = 4,
+	.fmt_rgb565_is_0 = true,
+	.smi_id_en = true,
+};
+
+static const struct mtk_disp_ovl_data mt8192_ovl_2l_driver_data = {
+	.addr = DISP_REG_OVL_ADDR_MT8173,
+	.gmc_bits = 10,
+	.layer_nr = 2,
+	.fmt_rgb565_is_0 = true,
+	.smi_id_en = true,
+};
+
 static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
 	{ .compatible = "mediatek,mt2701-disp-ovl",
 	  .data = &mt2701_ovl_driver_data},

@@ -466,6 +482,10 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
 	  .data = &mt8183_ovl_driver_data},
 	{ .compatible = "mediatek,mt8183-disp-ovl-2l",
 	  .data = &mt8183_ovl_2l_driver_data},
+	{ .compatible = "mediatek,mt8192-disp-ovl",
+	  .data = &mt8192_ovl_driver_data},
+	{ .compatible = "mediatek,mt8192-disp-ovl-2l",
+	  .data = &mt8192_ovl_2l_driver_data},
 	{},
 };
 MODULE_DEVICE_TABLE(of, mtk_disp_ovl_driver_dt_match);

@@ -145,6 +145,7 @@ static int mtk_disp_postmask_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id mtk_disp_postmask_driver_dt_match[] = {
+	{ .compatible = "mediatek,mt8192-disp-postmask"},
 	{},
 };
 MODULE_DEVICE_TABLE(of, mtk_disp_postmask_driver_dt_match);

@@ -364,6 +364,10 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev)
 	.fifo_size = 5 * SZ_1K,
 };
 
+static const struct mtk_disp_rdma_data mt8192_rdma_driver_data = {
+	.fifo_size = 5 * SZ_1K,
+};
+
 static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
 	{ .compatible = "mediatek,mt2701-disp-rdma",
 	  .data = &mt2701_rdma_driver_data},

@@ -371,6 +375,8 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev)
 	  .data = &mt8173_rdma_driver_data},
 	{ .compatible = "mediatek,mt8183-disp-rdma",
 	  .data = &mt8183_rdma_driver_data},
+	{ .compatible = "mediatek,mt8192-disp-rdma",
+	  .data = &mt8192_rdma_driver_data},
 	{},
 };
 MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match);

@@ -149,6 +149,25 @@
 	DDP_COMPONENT_DPI0,
 };
 
+static const enum mtk_ddp_comp_id mt8192_mtk_ddp_main[] = {
+	DDP_COMPONENT_OVL0,
+	DDP_COMPONENT_OVL_2L0,
+	DDP_COMPONENT_RDMA0,
+	DDP_COMPONENT_COLOR0,
+	DDP_COMPONENT_CCORR,
+	DDP_COMPONENT_AAL0,
+	DDP_COMPONENT_GAMMA,
+	DDP_COMPONENT_POSTMASK0,
+	DDP_COMPONENT_DITHER,
+	DDP_COMPONENT_DSI0,
+};
+
+static const enum mtk_ddp_comp_id mt8192_mtk_ddp_ext[] = {
+	DDP_COMPONENT_OVL_2L2,
+	DDP_COMPONENT_RDMA4,
+	DDP_COMPONENT_DPI0,
+};
+
 static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
 	.main_path = mt2701_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt2701_mtk_ddp_main),

@@ -188,6 +207,13 @@
 	.ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext),
 };
 
+static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = {
+	.main_path = mt8192_mtk_ddp_main,
+	.main_len = ARRAY_SIZE(mt8192_mtk_ddp_main),
+	.ext_path = mt8192_mtk_ddp_ext,
+	.ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext),
+};
+
 static int mtk_drm_kms_init(struct drm_device *drm)
 {
 	struct mtk_drm_private *private = drm->dev_private;

@@ -406,22 +432,32 @@ static void mtk_drm_unbind(struct device *dev)
 	  .data = (void *)MTK_DISP_OVL },
 	{ .compatible = "mediatek,mt8183-disp-ovl-2l",
 	  .data = (void *)MTK_DISP_OVL_2L },
+	{ .compatible = "mediatek,mt8192-disp-ovl",
+	  .data = (void *)MTK_DISP_OVL },
+	{ .compatible = "mediatek,mt8192-disp-ovl-2l",
+	  .data = (void *)MTK_DISP_OVL_2L },
 	{ .compatible = "mediatek,mt2701-disp-rdma",
 	  .data = (void *)MTK_DISP_RDMA },
 	{ .compatible = "mediatek,mt8173-disp-rdma",
 	  .data = (void *)MTK_DISP_RDMA },
 	{ .compatible = "mediatek,mt8183-disp-rdma",
 	  .data = (void *)MTK_DISP_RDMA },
+	{ .compatible = "mediatek,mt8192-disp-rdma",
+	  .data = (void *)MTK_DISP_RDMA },
 	{ .compatible = "mediatek,mt8173-disp-wdma",
 	  .data = (void *)MTK_DISP_WDMA },
 	{ .compatible = "mediatek,mt8183-disp-ccorr",
 	  .data = (void *)MTK_DISP_CCORR },
+	{ .compatible = "mediatek,mt8192-disp-ccorr",
+	  .data = (void *)MTK_DISP_CCORR },
 	{ .compatible = "mediatek,mt2701-disp-color",
 	  .data = (void *)MTK_DISP_COLOR },
 	{ .compatible = "mediatek,mt8173-disp-color",
 	  .data = (void *)MTK_DISP_COLOR },
 	{ .compatible = "mediatek,mt8173-disp-aal",
 	  .data = (void *)MTK_DISP_AAL},
+	{ .compatible = "mediatek,mt8192-disp-aal",
+	  .data = (void *)MTK_DISP_AAL},
 	{ .compatible = "mediatek,mt8173-disp-gamma",
 	  .data = (void *)MTK_DISP_GAMMA, },
 	{ .compatible = "mediatek,mt8183-disp-gamma",

@@ -450,12 +486,16 @@ static void mtk_drm_unbind(struct device *dev)
 	  .data = (void *)MTK_DISP_MUTEX },
 	{ .compatible = "mediatek,mt8183-disp-mutex",
 	  .data = (void *)MTK_DISP_MUTEX },
+	{ .compatible = "mediatek,mt8192-disp-mutex",
+	  .data = (void *)MTK_DISP_MUTEX },
 	{ .compatible = "mediatek,mt2701-disp-pwm",
 	  .data = (void *)MTK_DISP_BLS },
 	{ .compatible = "mediatek,mt8173-disp-pwm",
 	  .data = (void *)MTK_DISP_PWM },
 	{ .compatible = "mediatek,mt8173-disp-od",
 	  .data = (void *)MTK_DISP_OD },
+	{ .compatible = "mediatek,mt8192-disp-postmask",
+	  .data = (void *)MTK_DISP_POSTMASK },
 	{ }
 };
 

@@ -470,6 +510,8 @@ static void mtk_drm_unbind(struct device *dev)
 	  .data = &mt8173_mmsys_driver_data},
 	{ .compatible = "mediatek,mt8183-mmsys",
 	  .data = &mt8183_mmsys_driver_data},
+	{ .compatible = "mediatek,mt8192-mmsys",
+	 .data = &mt8192_mmsys_driver_data},
 	{ }
 };
 

@@ -40,6 +40,18 @@
 #define MT8167_MUTEX_MOD_DISP_DITHER		15
 #define MT8167_MUTEX_MOD_DISP_UFOE		16
 
+#define MT8192_MUTEX_MOD_DISP_OVL0		0
+#define MT8192_MUTEX_MOD_DISP_OVL0_2L		1
+#define MT8192_MUTEX_MOD_DISP_RDMA0		2
+#define MT8192_MUTEX_MOD_DISP_COLOR0		4
+#define MT8192_MUTEX_MOD_DISP_CCORR0		5
+#define MT8192_MUTEX_MOD_DISP_AAL0		6
+#define MT8192_MUTEX_MOD_DISP_GAMMA0		7
+#define MT8192_MUTEX_MOD_DISP_POSTMASK0		8
+#define MT8192_MUTEX_MOD_DISP_DITHER0		9
+#define MT8192_MUTEX_MOD_DISP_OVL2_2L		16
+#define MT8192_MUTEX_MOD_DISP_RDMA4		17
+
 #define MT8183_MUTEX_MOD_DISP_RDMA0		0
 #define MT8183_MUTEX_MOD_DISP_RDMA1		1
 #define MT8183_MUTEX_MOD_DISP_OVL0		9

@@ -215,6 +227,20 @@ struct mtk_ddp {
 	[DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
 };
 
+static const unsigned int mt8192_mutex_mod[DDP_COMPONENT_ID_MAX] = {
+	[DDP_COMPONENT_AAL0] = MT8192_MUTEX_MOD_DISP_AAL0,
+	[DDP_COMPONENT_CCORR] = MT8192_MUTEX_MOD_DISP_CCORR0,
+	[DDP_COMPONENT_COLOR0] = MT8192_MUTEX_MOD_DISP_COLOR0,
+	[DDP_COMPONENT_DITHER] = MT8192_MUTEX_MOD_DISP_DITHER0,
+	[DDP_COMPONENT_GAMMA] = MT8192_MUTEX_MOD_DISP_GAMMA0,
+	[DDP_COMPONENT_POSTMASK0] = MT8192_MUTEX_MOD_DISP_POSTMASK0,
+	[DDP_COMPONENT_OVL0] = MT8192_MUTEX_MOD_DISP_OVL0,
+	[DDP_COMPONENT_OVL_2L0] = MT8192_MUTEX_MOD_DISP_OVL0_2L,
+	[DDP_COMPONENT_OVL_2L2] = MT8192_MUTEX_MOD_DISP_OVL2_2L,
+	[DDP_COMPONENT_RDMA0] = MT8192_MUTEX_MOD_DISP_RDMA0,
+	[DDP_COMPONENT_RDMA4] = MT8192_MUTEX_MOD_DISP_RDMA4,
+};
+
 static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
 	[DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
 	[DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,

@@ -275,6 +301,13 @@ struct mtk_ddp {
 	.no_clk = true,
 };
 
+static const struct mtk_ddp_data mt8192_ddp_driver_data = {
+	.mutex_mod = mt8192_mutex_mod,
+	.mutex_sof = mt8183_mutex_sof,
+	.mutex_mod_reg = MT8183_DISP_MUTEX0_MOD0,
+	.mutex_sof_reg = MT8183_DISP_MUTEX0_SOF0,
+};
+
 struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id)
 {
 	struct mtk_ddp *ddp = dev_get_drvdata(dev);

@@ -497,6 +530,8 @@ static int mtk_ddp_remove(struct platform_device *pdev)
 	  .data = &mt8173_ddp_driver_data},
 	{ .compatible = "mediatek,mt8183-disp-mutex",
 	  .data = &mt8183_ddp_driver_data},
+	{ .compatible = "mediatek,mt8192-disp-mutex",
+	  .data = &mt8192_ddp_driver_data},
 	{},
 };
 MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);

@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 
-mediatek-drm-y := mtk_disp_color.o \
+mediatek-drm-y := mtk_disp_ccorr.o \
+		  mtk_disp_color.o \
 		  mtk_disp_gamma.o \
 		  mtk_disp_ovl.o \
 		  mtk_disp_postmask.o \

@@ -0,0 +1,222 @@
+/*
+ * SPDX-License-Identifier:
+ *
+ * Copyright (c) 2020 MediaTek Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+
+#include "mtk_drm_crtc.h"
+#include "mtk_drm_ddp_comp.h"
+
+#define DISP_CCORR_EN				0x0000
+#define CCORR_EN					BIT(0)
+#define DISP_CCORR_CFG				0x0020
+#define CCORR_RELAY_MODE				BIT(0)
+#define CCORR_ENGINE_EN					BIT(1)
+#define CCORR_GAMMA_OFF					BIT(2)
+#define CCORR_WGAMUT_SRC_CLIP				BIT(3)
+#define DISP_CCORR_SIZE				0x0030
+#define DISP_CCORR_COEF_0			0x0080
+#define DISP_CCORR_COEF_1			0x0084
+#define DISP_CCORR_COEF_2			0x0088
+#define DISP_CCORR_COEF_3			0x008C
+#define DISP_CCORR_COEF_4			0x0090
+
+struct mtk_disp_ccorr_data {
+	u32 reserved;
+};
+
+/**
+ * struct mtk_disp_ccorr - DISP_CCORR driver structure
+ * @ddp_comp - structure containing type enum and hardware resources
+ * @crtc - associated crtc to report irq events to
+ */
+struct mtk_disp_ccorr {
+	struct mtk_ddp_comp			ddp_comp;
+	const struct mtk_disp_ccorr_data	*data;
+};
+
+static inline struct mtk_disp_ccorr *comp_to_ccorr(struct mtk_ddp_comp *comp)
+{
+	return container_of(comp, struct mtk_disp_ccorr, ddp_comp);
+}
+
+static void mtk_ccorr_config(struct mtk_ddp_comp *comp, unsigned int w,
+			     unsigned int h, unsigned int vrefresh,
+			     unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
+{
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_CCORR_SIZE);
+	mtk_ddp_write(cmdq_pkt, CCORR_ENGINE_EN, comp, DISP_CCORR_CFG);
+}
+
+static void mtk_ccorr_start(struct mtk_ddp_comp *comp)
+{
+	writel(CCORR_EN, comp->regs + DISP_CCORR_EN);
+}
+
+static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
+{
+	writel_relaxed(0x0, comp->regs + DISP_CCORR_EN);
+}
+
+/* Converts a DRM S31.32 value to the HW S1.10 format. */
+static u16 mtk_ctm_s31_32_to_s1_10(u64 in)
+{
+	u16 r;
+
+	/* Sign bit. */
+	r = in & BIT_ULL(63) ? BIT(11) : 0;
+
+	if ((in & GENMASK_ULL(62, 33)) > 0) {
+		/* identity value 0x100000000 -> 0x400, */
+		/* if bigger this, set it to max 0x7ff. */
+		r |= GENMASK(10, 0);
+	} else {
+		/* take the 11 most important bits. */
+		r |= (in >> 22) & GENMASK(10, 0);
+	}
+
+	return r;
+}
+
+static void mtk_ccorr_ctm_set(struct mtk_ddp_comp *comp,
+			      struct drm_crtc_state *state)
+{
+	struct drm_property_blob *blob = state->ctm;
+	struct drm_color_ctm *ctm;
+	const u64 *input;
+	uint16_t coeffs[9] = { 0 };
+	int i;
+	struct cmdq_pkt *cmdq_pkt = NULL;
+
+	if (!blob)
+		return;
+
+	ctm = (struct drm_color_ctm *)blob->data;
+	input = ctm->matrix;
+
+	for (i = 0; i < ARRAY_SIZE(coeffs); i++)
+		coeffs[i] = mtk_ctm_s31_32_to_s1_10(input[i]);
+
+	mtk_ddp_write(cmdq_pkt, coeffs[0] << 16 | coeffs[1],
+		      comp, DISP_CCORR_COEF_0);
+	mtk_ddp_write(cmdq_pkt, coeffs[2] << 16 | coeffs[3],
+		      comp, DISP_CCORR_COEF_1);
+	mtk_ddp_write(cmdq_pkt, coeffs[4] << 16 | coeffs[5],
+		      comp, DISP_CCORR_COEF_2);
+	mtk_ddp_write(cmdq_pkt, coeffs[6] << 16 | coeffs[7],
+		      comp, DISP_CCORR_COEF_3);
+	mtk_ddp_write(cmdq_pkt, coeffs[8] << 16,
+		      comp, DISP_CCORR_COEF_4);
+}
+
+static const struct mtk_ddp_comp_funcs mtk_disp_ccorr_funcs = {
+	.config = mtk_ccorr_config,
+	.start = mtk_ccorr_start,
+	.stop = mtk_ccorr_stop,
+	.ctm_set = mtk_ccorr_ctm_set,
+};
+
+static int mtk_disp_ccorr_bind(struct device *dev, struct device *master,
+			       void *data)
+{
+	struct mtk_disp_ccorr *priv = dev_get_drvdata(dev);
+	struct drm_device *drm_dev = data;
+	int ret;
+
+	ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp);
+	if (ret < 0) {
+		dev_err(dev, "Failed to register component %pOF: %d\n",
+			dev->of_node, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void mtk_disp_ccorr_unbind(struct device *dev, struct device *master,
+				  void *data)
+{
+	struct mtk_disp_ccorr *priv = dev_get_drvdata(dev);
+	struct drm_device *drm_dev = data;
+
+	mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp);
+}
+
+static const struct component_ops mtk_disp_ccorr_component_ops = {
+	.bind	= mtk_disp_ccorr_bind,
+	.unbind	= mtk_disp_ccorr_unbind,
+};
+
+static int mtk_disp_ccorr_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct mtk_disp_ccorr *priv;
+	int comp_id;
+	int ret;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_CCORR);
+	if (comp_id < 0) {
+		dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
+		return comp_id;
+	}
+
+	ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
+				&mtk_disp_ccorr_funcs);
+	if (ret) {
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "Failed to initialize component: %d\n",
+				ret);
+
+		return ret;
+	}
+
+	priv->data = of_device_get_match_data(dev);
+
+	platform_set_drvdata(pdev, priv);
+
+	pm_runtime_enable(dev);
+
+	ret = component_add(dev, &mtk_disp_ccorr_component_ops);
+	if (ret)
+		dev_err(dev, "Failed to add component: %d\n", ret);
+
+	return ret;
+}
+
+static int mtk_disp_ccorr_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+
+	component_del(&pdev->dev, &mtk_disp_ccorr_component_ops);
+
+	return 0;
+}
+
+static const struct of_device_id mtk_disp_ccorr_driver_dt_match[] = {
+	{ .compatible = "mediatek,mt8183-disp-ccorr"},
+	{},
+};
+MODULE_DEVICE_TABLE(of, mtk_disp_ccorr_driver_dt_match);
+
+struct platform_driver mtk_disp_ccorr_driver = {
+	.probe		= mtk_disp_ccorr_probe,
+	.remove		= mtk_disp_ccorr_remove,
+	.driver		= {
+		.name	= "mediatek-disp-ccorr",
+		.owner	= THIS_MODULE,
+		.of_match_table = mtk_disp_ccorr_driver_dt_match,
+	},
+};