#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
-#include "mtk_drm_ddp_comp.h"
#include "mtk_mutex.h"
-#define MT2701_DISP_MUTEX0_MOD0 0x2c
-#define MT2701_DISP_MUTEX0_SOF0 0x30
+#define MT2701_MUTEX0_MOD0 0x2c
+#define MT2701_MUTEX0_SOF0 0x30
#define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n))
#define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n))
#define MT2701_MUTEX_MOD_DISP_RDMA0 10
#define MT2701_MUTEX_MOD_DISP_RDMA1 12
-#define MUTEX_SOF_SINGLE_MODE 0
-#define MUTEX_SOF_DSI0 1
-#define MUTEX_SOF_DSI1 2
-#define MUTEX_SOF_DPI0 3
-#define MUTEX_SOF_DPI1 4
-#define MUTEX_SOF_DSI2 5
-#define MUTEX_SOF_DSI3 6
-#define MT8167_MUTEX_SOF_DPI0 2
-#define MT8167_MUTEX_SOF_DPI1 3
-
-
-struct mtk_disp_mutex {
+#define MT2712_MUTEX_SOF_SINGLE_MODE 0
+#define MT2712_MUTEX_SOF_DSI0 1
+#define MT2712_MUTEX_SOF_DSI1 2
+#define MT2712_MUTEX_SOF_DPI0 3
+#define MT2712_MUTEX_SOF_DPI1 4
+#define MT2712_MUTEX_SOF_DSI2 5
+#define MT2712_MUTEX_SOF_DSI3 6
+#define MT8167_MUTEX_SOF_DPI0 2
+#define MT8167_MUTEX_SOF_DPI1 3
+
+struct mtk_mutex {
int id;
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,
+enum mtk_mutex_sof_id {
+ MUTEX_SOF_SINGLE_MODE,
+ MUTEX_SOF_DSI0,
+ MUTEX_SOF_DSI1,
+ MUTEX_SOF_DPI0,
+ MUTEX_SOF_DPI1,
+ MUTEX_SOF_DSI2,
+ MUTEX_SOF_DSI3,
};
-struct mtk_ddp_data {
+struct mtk_mutex_data {
const unsigned int *mutex_mod;
const unsigned int *mutex_sof;
const unsigned int mutex_mod_reg;
const bool no_clk;
};
-struct mtk_ddp {
+struct mtk_mutex_ctx {
struct device *dev;
struct clk *clk;
void __iomem *regs;
- struct mtk_disp_mutex mutex[10];
- const struct mtk_ddp_data *data;
+ struct mtk_mutex mutex[10];
+ const struct mtk_mutex_data *data;
};
static const unsigned int mt2701_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 unsigned int mt2712_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
+ [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
+ [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
+ [MUTEX_SOF_DSI1] = MUTEX_SOF_DSI1,
+ [MUTEX_SOF_DPI0] = MUTEX_SOF_DPI0,
+ [MUTEX_SOF_DPI1] = MUTEX_SOF_DPI1,
+ [MUTEX_SOF_DSI2] = MUTEX_SOF_DSI2,
+ [MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
};
-static const unsigned int mt8167_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_DPI0] = MT8167_MUTEX_SOF_DPI0,
- [DDP_MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,
+static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
+ [MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
+ [MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
+ [MUTEX_SOF_DPI0] = MT8167_MUTEX_SOF_DPI0,
+ [MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,
};
-static const struct mtk_ddp_data mt2701_ddp_driver_data = {
+static const struct mtk_mutex_data mt2701_mutex_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,
+ .mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_MUTEX0_SOF0,
};
-static const struct mtk_ddp_data mt2712_ddp_driver_data = {
+static const struct mtk_mutex_data mt2712_mutex_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,
+ .mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_MUTEX0_SOF0,
};
-static const struct mtk_ddp_data mt8167_ddp_driver_data = {
+static const struct mtk_mutex_data mt8167_mutex_driver_data = {
.mutex_mod = mt8167_mutex_mod,
.mutex_sof = mt8167_mutex_sof,
- .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0,
- .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
+ .mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_MUTEX0_SOF0,
.no_clk = true,
};
-static const struct mtk_ddp_data mt8173_ddp_driver_data = {
+static const struct mtk_mutex_data mt8173_mutex_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,
+ .mutex_mod_reg = MT2701_MUTEX0_MOD0,
+ .mutex_sof_reg = MT2701_MUTEX0_SOF0,
};
-struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id)
+struct mtk_mutex *mtk_mutex_get(struct device *dev, unsigned int id)
{
- struct mtk_ddp *ddp = dev_get_drvdata(dev);
+ struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
if (id >= 10)
return ERR_PTR(-EINVAL);
- if (ddp->mutex[id].claimed)
+ if (mtx->mutex[id].claimed)
return ERR_PTR(-EBUSY);
- ddp->mutex[id].claimed = true;
+ mtx->mutex[id].claimed = true;
- return &ddp->mutex[id];
+ return &mtx->mutex[id];
}
-void mtk_disp_mutex_put(struct mtk_disp_mutex *mutex)
+void mtk_mutex_put(struct mtk_mutex *mutex)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
- WARN_ON(&ddp->mutex[mutex->id] != mutex);
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
mutex->claimed = false;
}
-int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex)
+int mtk_mutex_prepare(struct mtk_mutex *mutex)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
- return clk_prepare_enable(ddp->clk);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ return clk_prepare_enable(mtx->clk);
}
-void mtk_disp_mutex_unprepare(struct mtk_disp_mutex *mutex)
+void mtk_mutex_unprepare(struct mtk_mutex *mutex)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
- clk_disable_unprepare(ddp->clk);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
+ clk_disable_unprepare(mtx->clk);
}
-void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex,
- enum mtk_ddp_comp_id id)
+void mtk_mutex_add_comp(struct mtk_mutex *mutex,
+ enum mtk_ddp_comp_id id)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
unsigned int reg;
unsigned int sof_id;
unsigned int offset;
- WARN_ON(&ddp->mutex[mutex->id] != mutex);
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
switch (id) {
case DDP_COMPONENT_DSI0:
- sof_id = DDP_MUTEX_SOF_DSI0;
+ sof_id = MUTEX_SOF_DSI0;
break;
case DDP_COMPONENT_DSI1:
- sof_id = DDP_MUTEX_SOF_DSI0;
+ sof_id = MUTEX_SOF_DSI0;
break;
case DDP_COMPONENT_DSI2:
- sof_id = DDP_MUTEX_SOF_DSI2;
+ sof_id = MUTEX_SOF_DSI2;
break;
case DDP_COMPONENT_DSI3:
- sof_id = DDP_MUTEX_SOF_DSI3;
+ sof_id = MUTEX_SOF_DSI3;
break;
case DDP_COMPONENT_DPI0:
- sof_id = DDP_MUTEX_SOF_DPI0;
+ sof_id = MUTEX_SOF_DPI0;
break;
case DDP_COMPONENT_DPI1:
- sof_id = DDP_MUTEX_SOF_DPI1;
+ sof_id = MUTEX_SOF_DPI1;
break;
default:
- if (ddp->data->mutex_mod[id] < 32) {
- offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg,
+ if (mtx->data->mutex_mod[id] < 32) {
+ offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
mutex->id);
- reg = readl_relaxed(ddp->regs + offset);
- reg |= 1 << ddp->data->mutex_mod[id];
- writel_relaxed(reg, ddp->regs + offset);
+ reg = readl_relaxed(mtx->regs + offset);
+ reg |= 1 << mtx->data->mutex_mod[id];
+ writel_relaxed(reg, mtx->regs + offset);
} else {
offset = DISP_REG_MUTEX_MOD2(mutex->id);
- reg = readl_relaxed(ddp->regs + offset);
- reg |= 1 << (ddp->data->mutex_mod[id] - 32);
- writel_relaxed(reg, ddp->regs + offset);
+ reg = readl_relaxed(mtx->regs + offset);
+ reg |= 1 << (mtx->data->mutex_mod[id] - 32);
+ writel_relaxed(reg, mtx->regs + offset);
}
return;
}
- writel_relaxed(ddp->data->mutex_sof[sof_id],
- ddp->regs +
- DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg, mutex->id));
+ writel_relaxed(mtx->data->mutex_sof[sof_id],
+ mtx->regs +
+ DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id));
}
-void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
- enum mtk_ddp_comp_id id)
+void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
+ enum mtk_ddp_comp_id id)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
unsigned int reg;
unsigned int offset;
- WARN_ON(&ddp->mutex[mutex->id] != mutex);
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
switch (id) {
case DDP_COMPONENT_DSI0:
case DDP_COMPONENT_DPI0:
case DDP_COMPONENT_DPI1:
writel_relaxed(MUTEX_SOF_SINGLE_MODE,
- ddp->regs +
- DISP_REG_MUTEX_SOF(ddp->data->mutex_sof_reg,
+ mtx->regs +
+ DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg,
mutex->id));
break;
default:
- if (ddp->data->mutex_mod[id] < 32) {
- offset = DISP_REG_MUTEX_MOD(ddp->data->mutex_mod_reg,
+ if (mtx->data->mutex_mod[id] < 32) {
+ offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg,
mutex->id);
- reg = readl_relaxed(ddp->regs + offset);
- reg &= ~(1 << ddp->data->mutex_mod[id]);
- writel_relaxed(reg, ddp->regs + offset);
+ reg = readl_relaxed(mtx->regs + offset);
+ reg &= ~(1 << mtx->data->mutex_mod[id]);
+ writel_relaxed(reg, mtx->regs + offset);
} else {
offset = DISP_REG_MUTEX_MOD2(mutex->id);
- reg = readl_relaxed(ddp->regs + offset);
- reg &= ~(1 << (ddp->data->mutex_mod[id] - 32));
- writel_relaxed(reg, ddp->regs + offset);
+ reg = readl_relaxed(mtx->regs + offset);
+ reg &= ~(1 << (mtx->data->mutex_mod[id] - 32));
+ writel_relaxed(reg, mtx->regs + offset);
}
break;
}
}
-void mtk_disp_mutex_enable(struct mtk_disp_mutex *mutex)
+void mtk_mutex_enable(struct mtk_mutex *mutex)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
- WARN_ON(&ddp->mutex[mutex->id] != mutex);
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
- writel(1, ddp->regs + DISP_REG_MUTEX_EN(mutex->id));
+ writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
}
-void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex)
+void mtk_mutex_disable(struct mtk_mutex *mutex)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
- WARN_ON(&ddp->mutex[mutex->id] != mutex);
+ WARN_ON(&mtx->mutex[mutex->id] != mutex);
- writel(0, ddp->regs + DISP_REG_MUTEX_EN(mutex->id));
+ writel(0, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
}
-void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex)
+void mtk_mutex_acquire(struct mtk_mutex *mutex)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
u32 tmp;
- writel(1, ddp->regs + DISP_REG_MUTEX_EN(mutex->id));
- writel(1, ddp->regs + DISP_REG_MUTEX(mutex->id));
- if (readl_poll_timeout_atomic(ddp->regs + DISP_REG_MUTEX(mutex->id),
+ writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
+ writel(1, mtx->regs + DISP_REG_MUTEX(mutex->id));
+ if (readl_poll_timeout_atomic(mtx->regs + DISP_REG_MUTEX(mutex->id),
tmp, tmp & INT_MUTEX, 1, 10000))
pr_err("could not acquire mutex %d\n", mutex->id);
}
-void mtk_disp_mutex_release(struct mtk_disp_mutex *mutex)
+void mtk_mutex_release(struct mtk_mutex *mutex)
{
- struct mtk_ddp *ddp = container_of(mutex, struct mtk_ddp,
- mutex[mutex->id]);
+ struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+ mutex[mutex->id]);
- writel(0, ddp->regs + DISP_REG_MUTEX(mutex->id));
+ writel(0, mtx->regs + DISP_REG_MUTEX(mutex->id));
}
-static int mtk_ddp_probe(struct platform_device *pdev)
+static int mtk_mutex_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct mtk_ddp *ddp;
+ struct mtk_mutex_ctx *mtx;
struct resource *regs;
int i;
- ddp = devm_kzalloc(dev, sizeof(*ddp), GFP_KERNEL);
- if (!ddp)
+ mtx = devm_kzalloc(dev, sizeof(*mtx), GFP_KERNEL);
+ if (!mtx)
return -ENOMEM;
for (i = 0; i < 10; i++)
- ddp->mutex[i].id = i;
+ mtx->mutex[i].id = i;
- ddp->data = of_device_get_match_data(dev);
+ mtx->data = of_device_get_match_data(dev);
- if (!ddp->data->no_clk) {
- ddp->clk = devm_clk_get(dev, NULL);
- if (IS_ERR(ddp->clk)) {
- if (PTR_ERR(ddp->clk) != -EPROBE_DEFER)
+ if (!mtx->data->no_clk) {
+ mtx->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(mtx->clk)) {
+ if (PTR_ERR(mtx->clk) != -EPROBE_DEFER)
dev_err(dev, "Failed to get clock\n");
- return PTR_ERR(ddp->clk);
+ return PTR_ERR(mtx->clk);
}
}
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ddp->regs = devm_ioremap_resource(dev, regs);
- if (IS_ERR(ddp->regs)) {
+ mtx->regs = devm_ioremap_resource(dev, regs);
+ if (IS_ERR(mtx->regs)) {
dev_err(dev, "Failed to map mutex registers\n");
- return PTR_ERR(ddp->regs);
+ return PTR_ERR(mtx->regs);
}
- platform_set_drvdata(pdev, ddp);
+ platform_set_drvdata(pdev, mtx);
return 0;
}
-static int mtk_ddp_remove(struct platform_device *pdev)
+static int mtk_mutex_remove(struct platform_device *pdev)
{
return 0;
}
-static const struct of_device_id ddp_driver_dt_match[] = {
+static const struct of_device_id mutex_driver_dt_match[] = {
{ .compatible = "mediatek,mt2701-disp-mutex",
- .data = &mt2701_ddp_driver_data},
+ .data = &mt2701_mutex_driver_data},
{ .compatible = "mediatek,mt2712-disp-mutex",
- .data = &mt2712_ddp_driver_data},
+ .data = &mt2712_mutex_driver_data},
{ .compatible = "mediatek,mt8167-disp-mutex",
- .data = &mt8167_ddp_driver_data},
+ .data = &mt8167_mutex_driver_data},
{ .compatible = "mediatek,mt8173-disp-mutex",
- .data = &mt8173_ddp_driver_data},
+ .data = &mt8173_mutex_driver_data},
{},
};
-MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);
+MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);
-struct platform_driver mtk_ddp_driver = {
- .probe = mtk_ddp_probe,
- .remove = mtk_ddp_remove,
+struct platform_driver mtk_mutex_driver = {
+ .probe = mtk_mutex_probe,
+ .remove = mtk_mutex_remove,
.driver = {
- .name = "mediatek-ddp",
+ .name = "mediatek-mutex",
.owner = THIS_MODULE,
- .of_match_table = ddp_driver_dt_match,
+ .of_match_table = mutex_driver_dt_match,
},
};
projects / linux-2.6-microblaze.git / commitdiff