drm/mediatek: Add mediatek-drm of vdosys0 support for mt8195

1. Add driver data of mt8195 vdosys0 to mediatek-drm and the sub driver.
2. Add get driver data function to identify which vdosys by io_start.

Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220526102126.19756-4-jason-jh.lin@mediatek.com/
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

1 files changed, 141 insertions, 9 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 5c1c657ceb6e..eb477c17a0ce 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -4,6 +4,8 @@
  * Author: YT SHEN <yt.shen@mediatek.com>
  */
 
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
 #include <linux/component.h>
 #include <linux/iommu.h>
 #include <linux/module.h>
@@ -195,6 +197,19 @@ static const enum mtk_ddp_comp_id mt8192_mtk_ddp_ext[] = {
 	DDP_COMPONENT_DPI0,
 };
 
+static const enum mtk_ddp_comp_id mt8195_mtk_ddp_main[] = {
+	DDP_COMPONENT_OVL0,
+	DDP_COMPONENT_RDMA0,
+	DDP_COMPONENT_COLOR0,
+	DDP_COMPONENT_CCORR,
+	DDP_COMPONENT_AAL0,
+	DDP_COMPONENT_GAMMA,
+	DDP_COMPONENT_DITHER,
+	DDP_COMPONENT_DSC0,
+	DDP_COMPONENT_MERGE0,
+	DDP_COMPONENT_DP_INTF0,
+};
+
 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),
@@ -203,6 +218,13 @@ static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
 	.shadow_register = true,
 };
 
+static const struct mtk_mmsys_match_data mt2701_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt2701_mmsys_driver_data,
+	},
+};
+
 static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = {
 	.main_path = mt7623_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt7623_mtk_ddp_main),
@@ -211,6 +233,13 @@ static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = {
 	.shadow_register = true,
 };
 
+static const struct mtk_mmsys_match_data mt7623_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt7623_mmsys_driver_data,
+	},
+};
+
 static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
 	.main_path = mt2712_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt2712_mtk_ddp_main),
@@ -220,11 +249,25 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
 	.third_len = ARRAY_SIZE(mt2712_mtk_ddp_third),
 };
 
+static const struct mtk_mmsys_match_data mt2712_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt2712_mmsys_driver_data,
+	},
+};
+
 static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = {
 	.main_path = mt8167_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8167_mtk_ddp_main),
 };
 
+static const struct mtk_mmsys_match_data mt8167_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt8167_mmsys_driver_data,
+	},
+};
+
 static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 	.main_path = mt8173_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
@@ -232,6 +275,13 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext),
 };
 
+static const struct mtk_mmsys_match_data mt8173_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt8173_mmsys_driver_data,
+	},
+};
+
 static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
 	.main_path = mt8183_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8183_mtk_ddp_main),
@@ -239,6 +289,13 @@ static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext),
 };
 
+static const struct mtk_mmsys_match_data mt8183_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt8183_mmsys_driver_data,
+	},
+};
+
 static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = {
 	.main_path = mt8186_mtk_ddp_main,
 	.main_len = ARRAY_SIZE(mt8186_mtk_ddp_main),
@@ -246,6 +303,13 @@ static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8186_mtk_ddp_ext),
 };
 
+static const struct mtk_mmsys_match_data mt8186_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt8186_mmsys_driver_data,
+	},
+};
+
 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),
@@ -253,6 +317,31 @@ static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = {
 	.ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext),
 };
 
+static const struct mtk_mmsys_match_data mt8192_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt8192_mmsys_driver_data,
+	},
+};
+
+static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = {
+	.io_start = 0x1c01a000,
+	.main_path = mt8195_mtk_ddp_main,
+	.main_len = ARRAY_SIZE(mt8195_mtk_ddp_main),
+};
+
+static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = {
+	.io_start = 0x1c100000,
+};
+
+static const struct mtk_mmsys_match_data mt8195_mmsys_match_data = {
+	.num_drv_data = 1,
+	.drv_data = {
+		&mt8195_vdosys0_driver_data,
+		&mt8195_vdosys1_driver_data,
+	},
+};
+
 static int mtk_drm_kms_init(struct drm_device *drm)
 {
 	struct mtk_drm_private *private = drm->dev_private;
@@ -470,12 +559,16 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DISP_DITHER },
 	{ .compatible = "mediatek,mt8183-disp-dither",
 	  .data = (void *)MTK_DISP_DITHER },
+	{ .compatible = "mediatek,mt8195-disp-dsc",
+	  .data = (void *)MTK_DISP_DSC },
 	{ .compatible = "mediatek,mt8167-disp-gamma",
 	  .data = (void *)MTK_DISP_GAMMA, },
 	{ .compatible = "mediatek,mt8173-disp-gamma",
 	  .data = (void *)MTK_DISP_GAMMA, },
 	{ .compatible = "mediatek,mt8183-disp-gamma",
 	  .data = (void *)MTK_DISP_GAMMA, },
+	{ .compatible = "mediatek,mt8195-disp-merge",
+	  .data = (void *)MTK_DISP_MERGE },
 	{ .compatible = "mediatek,mt2701-disp-mutex",
 	  .data = (void *)MTK_DISP_MUTEX },
 	{ .compatible = "mediatek,mt2712-disp-mutex",
@@ -490,6 +583,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DISP_MUTEX },
 	{ .compatible = "mediatek,mt8192-disp-mutex",
 	  .data = (void *)MTK_DISP_MUTEX },
+	{ .compatible = "mediatek,mt8195-disp-mutex",
+	  .data = (void *)MTK_DISP_MUTEX },
 	{ .compatible = "mediatek,mt8173-disp-od",
 	  .data = (void *)MTK_DISP_OD },
 	{ .compatible = "mediatek,mt2701-disp-ovl",
@@ -524,6 +619,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 	  .data = (void *)MTK_DISP_RDMA },
 	{ .compatible = "mediatek,mt8192-disp-rdma",
 	  .data = (void *)MTK_DISP_RDMA },
+	{ .compatible = "mediatek,mt8195-disp-rdma",
+	  .data = (void *)MTK_DISP_RDMA },
 	{ .compatible = "mediatek,mt8173-disp-ufoe",
 	  .data = (void *)MTK_DISP_UFOE },
 	{ .compatible = "mediatek,mt8173-disp-wdma",
@@ -549,30 +646,53 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
 
 static const struct of_device_id mtk_drm_of_ids[] = {
 	{ .compatible = "mediatek,mt2701-mmsys",
-	  .data = &mt2701_mmsys_driver_data},
+	  .data = &mt2701_mmsys_match_data},
 	{ .compatible = "mediatek,mt7623-mmsys",
-	  .data = &mt7623_mmsys_driver_data},
+	  .data = &mt7623_mmsys_match_data},
 	{ .compatible = "mediatek,mt2712-mmsys",
-	  .data = &mt2712_mmsys_driver_data},
+	  .data = &mt2712_mmsys_match_data},
 	{ .compatible = "mediatek,mt8167-mmsys",
-	  .data = &mt8167_mmsys_driver_data},
+	  .data = &mt8167_mmsys_match_data},
 	{ .compatible = "mediatek,mt8173-mmsys",
-	  .data = &mt8173_mmsys_driver_data},
+	  .data = &mt8173_mmsys_match_data},
 	{ .compatible = "mediatek,mt8183-mmsys",
-	  .data = &mt8183_mmsys_driver_data},
+	  .data = &mt8183_mmsys_match_data},
 	{ .compatible = "mediatek,mt8186-mmsys",
-	  .data = &mt8186_mmsys_driver_data},
+	  .data = &mt8186_mmsys_match_data},
 	{ .compatible = "mediatek,mt8192-mmsys",
-	  .data = &mt8192_mmsys_driver_data},
+	  .data = &mt8192_mmsys_match_data},
+	{ .compatible = "mediatek,mt8195-mmsys",
+	  .data = &mt8195_mmsys_match_data},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, mtk_drm_of_ids);
 
+static int mtk_drm_find_match_data(struct device *dev,
+				   const struct mtk_mmsys_match_data *match_data)
+{
+	int i;
+	struct platform_device *pdev = of_find_device_by_node(dev->parent->of_node);
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(dev, "failed to get parent resource\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < match_data->num_drv_data; i++)
+		if (match_data->drv_data[i]->io_start == res->start)
+			return i;
+
+	return -EINVAL;
+}
+
 static int mtk_drm_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *phandle = dev->parent->of_node;
 	const struct of_device_id *of_id;
+	const struct mtk_mmsys_match_data *match_data;
 	struct mtk_drm_private *private;
 	struct device_node *node;
 	struct component_match *match = NULL;
@@ -593,7 +713,19 @@ static int mtk_drm_probe(struct platform_device *pdev)
 	if (!of_id)
 		return -ENODEV;
 
-	private->data = of_id->data;
+	match_data = of_id->data;
+	if (match_data->num_drv_data > 1) {
+		/* This SoC has multiple mmsys channels */
+		ret = mtk_drm_find_match_data(dev, match_data);
+		if (ret < 0) {
+			dev_err(dev, "Couldn't get match driver data\n");
+			return ret;
+		}
+		private->data = match_data->drv_data[ret];
+	} else {
+		dev_dbg(dev, "Using single mmsys channel\n");
+		private->data = match_data->drv_data[0];
+	}
 
 	/* Iterate over sibling DISP function blocks */
 	for_each_child_of_node(phandle->parent, node) {