aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_ddp.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_ddp.c128
1 files changed, 96 insertions, 32 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
index 8106a71a7404..13035c906035 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -33,12 +33,15 @@
#define DISP_REG_CONFIG_DSI_SEL 0x050
#define DISP_REG_CONFIG_DPI_SEL 0x064
-#define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n))
-#define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n))
-#define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n))
-#define DISP_REG_MUTEX_MOD(n) (0x2c + 0x20 * (n))
-#define DISP_REG_MUTEX_SOF(n) (0x30 + 0x20 * (n))
-#define DISP_REG_MUTEX_MOD2(n) (0x34 + 0x20 * (n))
+#define MT2701_DISP_MUTEX0_MOD0 0x2c
+#define MT2701_DISP_MUTEX0_SOF0 0x30
+
+#define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n))
+#define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n))
+#define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n))
+#define DISP_REG_MUTEX_MOD(mutex_mod_reg, n) (mutex_mod_reg + 0x20 * (n))
+#define DISP_REG_MUTEX_SOF(mutex_sof_reg, n) (mutex_sof_reg + 0x20 * (n))
+#define DISP_REG_MUTEX_MOD2(n) (0x34 + 0x20 * (n))
#define INT_MUTEX BIT(1)
@@ -139,12 +142,30 @@ struct mtk_disp_mutex {
bool claimed;
};
+enum mtk_ddp_mutex_sof_id {
+ DDP_MUTEX_SOF_SINGLE_MODE,
+ DDP_MUTEX_SOF_DSI0,
+ DDP_MUTEX_SOF_DSI1,
+ DDP_MUTEX_SOF_DPI0,
+ DDP_MUTEX_SOF_DPI1,
+ DDP_MUTEX_SOF_DSI2,
+ DDP_MUTEX_SOF_DSI3,
+};
+
+struct mtk_ddp_data {
+ const unsigned int *mutex_mod;
+ const unsigned int *mutex_sof;
+ const unsigned int mutex_mod_reg;
+ const unsigned int mutex_sof_reg;
+ const bool no_clk;
+};
+
struct mtk_ddp {
struct device *dev;
struct clk *clk;
void __iomem *regs;
struct mtk_disp_mutex mutex[10];
- const unsigned int *mutex_mod;
+ const struct mtk_ddp_data *data;
};
static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = {
@@ -194,6 +215,37 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
[DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1,
};
+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,
+ [DDP_MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1,
+ [DDP_MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0,
+ [DDP_MUTEX_SOF_DPI1] = MUTEX_SOF_DPI1,
+ [DDP_MUTEX_SOF_DSI2] = MUTEX_SOF_DSI2,
+ [DDP_MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
+};
+
+static const struct mtk_ddp_data mt2701_ddp_driver_data = {
+ .mutex_mod = mt2701_mutex_mod,
+ .mutex_sof = mt2712_mutex_sof,
+ .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
+};
+
+static const struct mtk_ddp_data mt2712_ddp_driver_data = {
+ .mutex_mod = mt2712_mutex_mod,
+ .mutex_sof = mt2712_mutex_sof,
+ .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
+};
+
+static const struct mtk_ddp_data mt8173_ddp_driver_data = {
+ .mutex_mod = mt8173_mutex_mod,
+ .mutex_sof = mt2712_mutex_sof,
+ .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
+};
+
static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
enum mtk_ddp_comp_id next,
unsigned int *addr)
@@ -432,45 +484,49 @@ void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex,
struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
mutex[mutex->id]);
unsigned int reg;
+ unsigned int sof_id;
unsigned int offset;
WARN_ON(&ddp->mutex[mutex->id] != mutex);
switch (id) {
case DDP_COMPONENT_DSI0:
- reg = MUTEX_SOF_DSI0;
+ sof_id = DDP_MUTEX_SOF_DSI0;
break;
case DDP_COMPONENT_DSI1:
- reg = MUTEX_SOF_DSI0;
+ sof_id = DDP_MUTEX_SOF_DSI0;
break;
case DDP_COMPONENT_DSI2:
- reg = MUTEX_SOF_DSI2;
+ sof_id = DDP_MUTEX_SOF_DSI2;
break;
case DDP_COMPONENT_DSI3:
- reg = MUTEX_SOF_DSI3;
+ sof_id = DDP_MUTEX_SOF_DSI3;
break;
case DDP_COMPONENT_DPI0:
- reg = MUTEX_SOF_DPI0;
+ sof_id = DDP_MUTEX_SOF_DPI0;
break;
case DDP_COMPONENT_DPI1:
- reg = MUTEX_SOF_DPI1;
+ sof_id = DDP_MUTEX_SOF_DPI1;
break;
default:
- if (ddp->mutex_mod[id] < 32) {
- offset = DISP_REG_MUTEX_MOD(mutex->id);
+ if (ddp->data->mutex_mod[id] < 32) {
+ offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg,
+ mutex->id);
reg = readl_relaxed(ddp->regs + offset);
- reg |= 1 << ddp->mutex_mod[id];
+ reg |= 1 << ddp->data->mutex_mod[id];
writel_relaxed(reg, ddp->regs + offset);
} else {
offset = DISP_REG_MUTEX_MOD2(mutex->id);
reg = readl_relaxed(ddp->regs + offset);
- reg |= 1 << (ddp->mutex_mod[id] - 32);
+ reg |= 1 << (ddp->data->mutex_mod[id] - 32);
writel_relaxed(reg, ddp->regs + offset);
}
return;
}
- writel_relaxed(reg, ddp->regs + DISP_REG_MUTEX_SOF(mutex->id));
+ writel_relaxed(ddp->data->mutex_sof[sof_id],
+ ddp->regs +
+ DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg, mutex->id));
}
void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
@@ -491,18 +547,21 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
case DDP_COMPONENT_DPI0:
case DDP_COMPONENT_DPI1:
writel_relaxed(MUTEX_SOF_SINGLE_MODE,
- ddp->regs + DISP_REG_MUTEX_SOF(mutex->id));
+ ddp->regs +
+ DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg,
+ mutex->id));
break;
default:
- if (ddp->mutex_mod[id] < 32) {
- offset = DISP_REG_MUTEX_MOD(mutex->id);
+ if (ddp->data->mutex_mod[id] < 32) {
+ offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg,
+ mutex->id);
reg = readl_relaxed(ddp->regs + offset);
- reg &= ~(1 << ddp->mutex_mod[id]);
+ reg &= ~(1 << ddp->data->mutex_mod[id]);
writel_relaxed(reg, ddp->regs + offset);
} else {
offset = DISP_REG_MUTEX_MOD2(mutex->id);
reg = readl_relaxed(ddp->regs + offset);
- reg &= ~(1 << (ddp->mutex_mod[id] - 32));
+ reg &= ~(1 << (ddp->data->mutex_mod[id] - 32));
writel_relaxed(reg, ddp->regs + offset);
}
break;
@@ -564,10 +623,14 @@ static int mtk_ddp_probe(struct platform_device *pdev)
for (i = 0; i < 10; i++)
ddp->mutex[i].id = i;
- ddp->clk = devm_clk_get(dev, NULL);
- if (IS_ERR(ddp->clk)) {
- dev_err(dev, "Failed to get clock\n");
- return PTR_ERR(ddp->clk);
+ ddp->data = of_device_get_match_data(dev);
+
+ if (!ddp->data->no_clk) {
+ ddp->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(ddp->clk)) {
+ dev_err(dev, "Failed to get clock\n");
+ return PTR_ERR(ddp->clk);
+ }
}
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -577,8 +640,6 @@ static int mtk_ddp_probe(struct platform_device *pdev)
return PTR_ERR(ddp->regs);
}
- ddp->mutex_mod = of_device_get_match_data(dev);
-
platform_set_drvdata(pdev, ddp);
return 0;
@@ -590,9 +651,12 @@ static int mtk_ddp_remove(struct platform_device *pdev)
}
static const struct of_device_id ddp_driver_dt_match[] = {
- { .compatible = "mediatek,mt2701-disp-mutex", .data = mt2701_mutex_mod},
- { .compatible = "mediatek,mt2712-disp-mutex", .data = mt2712_mutex_mod},
- { .compatible = "mediatek,mt8173-disp-mutex", .data = mt8173_mutex_mod},
+ { .compatible = "mediatek,mt2701-disp-mutex",
+ .data = &mt2701_ddp_driver_data},
+ { .compatible = "mediatek,mt2712-disp-mutex",
+ .data = &mt2712_ddp_driver_data},
+ { .compatible = "mediatek,mt8173-disp-mutex",
+ .data = &mt8173_ddp_driver_data},
{},
};
MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);