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>

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 1be4caf..a000bba 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -372,6 +372,10 @@ static const struct mtk_disp_rdma_data mt8192_rdma_driver_data = {
        .fifo_size = 5 * SZ_1K,
 };
 
+static const struct mtk_disp_rdma_data mt8195_rdma_driver_data = {
+       .fifo_size = 1920,
+};
+
 static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
        { .compatible = "mediatek,mt2701-disp-rdma",
          .data = &mt2701_rdma_driver_data},
@@ -381,6 +385,8 @@ static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
          .data = &mt8183_rdma_driver_data},
        { .compatible = "mediatek,mt8192-disp-rdma",
          .data = &mt8192_rdma_driver_data},
+       { .compatible = "mediatek,mt8195-disp-rdma",
+         .data = &mt8195_rdma_driver_data},
        {},
 };
 MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match);

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 5c1c657..eb477c1 100644 (file)
--- 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) {

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
index a58cebd..9fc922b 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
@@ -21,6 +21,7 @@ struct drm_property;
 struct regmap;
 
 struct mtk_mmsys_driver_data {
+       const resource_size_t io_start;
        const enum mtk_ddp_comp_id *main_path;
        unsigned int main_len;
        const enum mtk_ddp_comp_id *ext_path;
@@ -31,6 +32,11 @@ struct mtk_mmsys_driver_data {
        bool shadow_register;
 };
 
+struct mtk_mmsys_match_data {
+       unsigned short num_drv_data;
+       const struct mtk_mmsys_driver_data *drv_data[];
+};
+
 struct mtk_drm_private {
        struct drm_device *drm;
        struct device *dma_dev;