[PATCH v18 07/10] drm/mediatek: add mediatek-drm of vdosys0 support for mt8195
jason-jh.lin
jason-jh.lin at mediatek.com
Tue Apr 12 03:31:11 PDT 2022
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.
Signed-off-by: jason-jh.lin <jason-jh.lin at mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 6 ++
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 126 ++++++++++++++++++++++-
drivers/gpu/drm/mediatek/mtk_drm_drv.h | 6 ++
3 files changed, 137 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 662e91d9d45f..8ce60371536e 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -364,6 +364,10 @@ 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},
@@ -373,6 +377,8 @@ 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 f54b650a2ea1..1b5bef25d17b 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 at mediatek.com>
*/
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
#include <linux/component.h>
#include <linux/iommu.h>
#include <linux/module.h>
@@ -177,6 +179,19 @@ 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),
@@ -185,6 +200,13 @@ 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),
@@ -193,6 +215,13 @@ 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),
@@ -202,11 +231,25 @@ 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),
@@ -214,6 +257,13 @@ 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),
@@ -221,6 +271,13 @@ 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 mt8192_mmsys_driver_data = {
.main_path = mt8192_mtk_ddp_main,
.main_len = ARRAY_SIZE(mt8192_mtk_ddp_main),
@@ -228,6 +285,31 @@ 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;
@@ -445,12 +527,16 @@ 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",
@@ -463,6 +549,8 @@ 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",
@@ -497,6 +585,8 @@ 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",
@@ -533,15 +623,37 @@ static const struct of_device_id mtk_drm_of_ids[] = {
.data = &mt8183_mmsys_driver_data},
{ .compatible = "mediatek,mt8192-mmsys",
.data = &mt8192_mmsys_driver_data},
+ { .compatible = "mediatek,mt8195-mmsys"},
{ }
};
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 (IS_ERR(res)) {
+ dev_err(dev, "failed to get mmsys resource\n");
+ return PTR_ERR(res);
+ }
+
+ 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;
@@ -562,7 +674,19 @@ 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 a58cebd01d35..e1a37ca091f3 100644
--- 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 unsigned int 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;
--
2.18.0
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