diff mbox series

[v12,3/4] soc: mediatek: mutex: add support for MDP

Message ID 20220301100246.2153-4-moudy.ho@mediatek.com (mailing list archive)
State New, archived
Headers show
Series Add mmsys and mutex support for MDP | expand

Commit Message

Moudy Ho (何宗原) March 1, 2022, 10:02 a.m. UTC 
For the purpose of module independence, related settings should be moved
from MDP to the corresponding driver.
This patch adds more 8183 MDP settings and interface.

Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/soc/mediatek/mtk-mutex.c       | 68 ++++++++++++++++++++++++++
 include/linux/soc/mediatek/mtk-mutex.h |  3 ++
 2 files changed, 71 insertions(+)

Comments

CK Hu (胡俊光) March 3, 2022, 9:33 a.m. UTC | #1 
Hi, Moudy:

On Tue, 2022-03-01 at 18:02 +0800, Moudy Ho wrote:
> For the purpose of module independence, related settings should be
> moved
> from MDP to the corresponding driver.
> This patch adds more 8183 MDP settings and interface.
> 
> Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
> Acked-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> ---
>  drivers/soc/mediatek/mtk-mutex.c       | 68
> ++++++++++++++++++++++++++
>  include/linux/soc/mediatek/mtk-mutex.h |  3 ++
>  2 files changed, 71 insertions(+)
> 
> diff --git a/drivers/soc/mediatek/mtk-mutex.c
> b/drivers/soc/mediatek/mtk-mutex.c
> index aaf8fc1abb43..a6268ecde240 100644
> --- a/drivers/soc/mediatek/mtk-mutex.c
> +++ b/drivers/soc/mediatek/mtk-mutex.c
> @@ -136,6 +136,18 @@
>  #define MT8183_MUTEX_EOF_DSI0			(MT8183_MUTEX_S
> OF_DSI0 << 6)
>  #define MT8183_MUTEX_EOF_DPI0			(MT8183_MUTEX_S
> OF_DPI0 << 6)
>  
> +#define MT8183_MUTEX_MDP_START			5
> +#define MT8183_MUTEX_MDP_MOD_MASK		0x07FFFFFF
> +#define MT8183_MUTEX_MDP_SOF_MASK		0x00000007
> +#define MT8183_MUTEX_MOD_MDP_RDMA0		BIT(2)
> +#define MT8183_MUTEX_MOD_MDP_RSZ0		BIT(4)
> +#define MT8183_MUTEX_MOD_MDP_RSZ1		BIT(5)
> +#define MT8183_MUTEX_MOD_MDP_TDSHP0		BIT(6)
> +#define MT8183_MUTEX_MOD_MDP_WROT0		BIT(7)
> +#define MT8183_MUTEX_MOD_MDP_WDMA		BIT(8)
> +#define MT8183_MUTEX_MOD_MDP_AAL0		BIT(23)
> +#define MT8183_MUTEX_MOD_MDP_CCORR0		BIT(24)
> +
>  struct mtk_mutex {
>  	int id;
>  	bool claimed;
> @@ -156,6 +168,10 @@ struct mtk_mutex_data {
>  	const unsigned int *mutex_sof;
>  	const unsigned int mutex_mod_reg;
>  	const unsigned int mutex_sof_reg;
> +	const unsigned int *mutex_mdp_offset;
> +	const unsigned int *mutex_mdp_mod;
> +	const unsigned int mutex_mdp_mod_mask;

Useless, so remove this.

> +	const unsigned int mutex_mdp_sof_mask;

Useless, so remove this.

>  	const bool no_clk;
>  };
>  
> @@ -243,6 +259,17 @@ static const unsigned int
> mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>  	[DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
>  };
>  
> +static const unsigned int mt8183_mutex_mdp_mod[MDP_MAX_COMP_COUNT] =
> {
> +	[MDP_COMP_RDMA0] = MT8183_MUTEX_MOD_MDP_RDMA0,
> +	[MDP_COMP_RSZ0] = MT8183_MUTEX_MOD_MDP_RSZ0,
> +	[MDP_COMP_RSZ1] = MT8183_MUTEX_MOD_MDP_RSZ1,
> +	[MDP_COMP_TDSHP0] = MT8183_MUTEX_MOD_MDP_TDSHP0,
> +	[MDP_COMP_WROT0] = MT8183_MUTEX_MOD_MDP_WROT0,
> +	[MDP_COMP_WDMA] = MT8183_MUTEX_MOD_MDP_WDMA,
> +	[MDP_COMP_AAL0] = MT8183_MUTEX_MOD_MDP_AAL0,
> +	[MDP_COMP_CCORR0] = MT8183_MUTEX_MOD_MDP_CCORR0,
> +};
> +
>  static const unsigned int mt8186_mutex_mod[DDP_COMPONENT_ID_MAX] = {
>  	[DDP_COMPONENT_AAL0] = MT8186_MUTEX_MOD_DISP_AAL0,
>  	[DDP_COMPONENT_CCORR] = MT8186_MUTEX_MOD_DISP_CCORR0,
> @@ -300,6 +327,14 @@ static const unsigned int
> mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
>  	[MUTEX_SOF_DPI0] = MT8186_MUTEX_SOF_DPI0 |
> MT8186_MUTEX_EOF_DPI0,
>  };
>  
> +/* indicate which mutex is used by each pipepline */
> +static const unsigned int mt8183_mutex_mdp_offset[MDP_PIPE_MAX] = {
> +	[MDP_PIPE_IMGI] = MT8183_MUTEX_MDP_START,
> +	[MDP_PIPE_RDMA0] = MT8183_MUTEX_MDP_START + 1,
> +	[MDP_PIPE_WPEI] = MT8183_MUTEX_MDP_START + 2,
> +	[MDP_PIPE_WPEI2] = MT8183_MUTEX_MDP_START + 3
> +};
> +
>  static const struct mtk_mutex_data mt2701_mutex_driver_data = {
>  	.mutex_mod = mt2701_mutex_mod,
>  	.mutex_sof = mt2712_mutex_sof,
> @@ -334,6 +369,10 @@ static const struct mtk_mutex_data
> mt8183_mutex_driver_data = {
>  	.mutex_sof = mt8183_mutex_sof,
>  	.mutex_mod_reg = MT8183_MUTEX0_MOD0,
>  	.mutex_sof_reg = MT8183_MUTEX0_SOF0,
> +	.mutex_mdp_offset = mt8183_mutex_mdp_offset,
> +	.mutex_mdp_mod = mt8183_mutex_mdp_mod,
> +	.mutex_mdp_mod_mask = MT8183_MUTEX_MDP_MOD_MASK,
> +	.mutex_mdp_sof_mask = MT8183_MUTEX_MDP_SOF_MASK,
>  	.no_clk = true,
>  };
>  
> @@ -366,6 +405,21 @@ struct mtk_mutex *mtk_mutex_get(struct device
> *dev)
>  }
>  EXPORT_SYMBOL_GPL(mtk_mutex_get);
>  
> +struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev,
> +				    enum mtk_mdp_pipe_id id)

For DRM, mutex id does not physically bound to specific hardware, why
do MDP need the pipeline id?

Regards,
CK

> +{
> +	struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
> +	int i = mtx->data->mutex_mdp_offset[id];
> +
> +	if (!mtx->mutex[i].claimed) {
> +		mtx->mutex[i].claimed = true;
> +		return &mtx->mutex[i];
> +	}
> +
> +	return ERR_PTR(-EBUSY);
> +}
> +EXPORT_SYMBOL_GPL(mtk_mutex_mdp_get);
> +
>  void mtk_mutex_put(struct mtk_mutex *mutex)
>  {
>  	struct mtk_mutex_ctx *mtx = container_of(mutex, struct
> mtk_mutex_ctx,
> @@ -485,6 +539,20 @@ void mtk_mutex_remove_comp(struct mtk_mutex
> *mutex,
>  }
>  EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp);
>  
> +u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex, enum
> mtk_mdp_comp_id id)
> +{
> +	struct mtk_mutex_ctx *mtx = container_of(mutex, struct
> mtk_mutex_ctx,
> +						 mutex[mutex->id]);
> +
> +	WARN_ON(&mtx->mutex[mutex->id] != mutex);
> +
> +	if (mtx->data->mutex_mdp_mod)
> +		return mtx->data->mutex_mdp_mod[id];
> +
> +	return 0;
> +}
> +EXPORT_SYMBOL_GPL(mtk_mutex_get_mdp_mod);
> +
>  void mtk_mutex_enable(struct mtk_mutex *mutex)
>  {
>  	struct mtk_mutex_ctx *mtx = container_of(mutex, struct
> mtk_mutex_ctx,
> diff --git a/include/linux/soc/mediatek/mtk-mutex.h
> b/include/linux/soc/mediatek/mtk-mutex.h
> index 6fe4ffbde290..b2608f4220ee 100644
> --- a/include/linux/soc/mediatek/mtk-mutex.h
> +++ b/include/linux/soc/mediatek/mtk-mutex.h
> @@ -11,9 +11,12 @@ struct device;
>  struct mtk_mutex;
>  
>  struct mtk_mutex *mtk_mutex_get(struct device *dev);
> +struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev,
> +				    enum mtk_mdp_pipe_id id);
>  int mtk_mutex_prepare(struct mtk_mutex *mutex);
>  void mtk_mutex_add_comp(struct mtk_mutex *mutex,
>  			enum mtk_ddp_comp_id id);
> +u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex, enum
> mtk_mdp_comp_id id);
>  void mtk_mutex_enable(struct mtk_mutex *mutex);
>  void mtk_mutex_disable(struct mtk_mutex *mutex);
>  void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
diff mbox series

Patch

diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
index aaf8fc1abb43..a6268ecde240 100644
--- a/drivers/soc/mediatek/mtk-mutex.c
+++ b/drivers/soc/mediatek/mtk-mutex.c
@@ -136,6 +136,18 @@ 
 #define MT8183_MUTEX_EOF_DSI0			(MT8183_MUTEX_SOF_DSI0 << 6)
 #define MT8183_MUTEX_EOF_DPI0			(MT8183_MUTEX_SOF_DPI0 << 6)
 
+#define MT8183_MUTEX_MDP_START			5
+#define MT8183_MUTEX_MDP_MOD_MASK		0x07FFFFFF
+#define MT8183_MUTEX_MDP_SOF_MASK		0x00000007
+#define MT8183_MUTEX_MOD_MDP_RDMA0		BIT(2)
+#define MT8183_MUTEX_MOD_MDP_RSZ0		BIT(4)
+#define MT8183_MUTEX_MOD_MDP_RSZ1		BIT(5)
+#define MT8183_MUTEX_MOD_MDP_TDSHP0		BIT(6)
+#define MT8183_MUTEX_MOD_MDP_WROT0		BIT(7)
+#define MT8183_MUTEX_MOD_MDP_WDMA		BIT(8)
+#define MT8183_MUTEX_MOD_MDP_AAL0		BIT(23)
+#define MT8183_MUTEX_MOD_MDP_CCORR0		BIT(24)
+
 struct mtk_mutex {
 	int id;
 	bool claimed;
@@ -156,6 +168,10 @@  struct mtk_mutex_data {
 	const unsigned int *mutex_sof;
 	const unsigned int mutex_mod_reg;
 	const unsigned int mutex_sof_reg;
+	const unsigned int *mutex_mdp_offset;
+	const unsigned int *mutex_mdp_mod;
+	const unsigned int mutex_mdp_mod_mask;
+	const unsigned int mutex_mdp_sof_mask;
 	const bool no_clk;
 };
 
@@ -243,6 +259,17 @@  static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {
 	[DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
 };
 
+static const unsigned int mt8183_mutex_mdp_mod[MDP_MAX_COMP_COUNT] = {
+	[MDP_COMP_RDMA0] = MT8183_MUTEX_MOD_MDP_RDMA0,
+	[MDP_COMP_RSZ0] = MT8183_MUTEX_MOD_MDP_RSZ0,
+	[MDP_COMP_RSZ1] = MT8183_MUTEX_MOD_MDP_RSZ1,
+	[MDP_COMP_TDSHP0] = MT8183_MUTEX_MOD_MDP_TDSHP0,
+	[MDP_COMP_WROT0] = MT8183_MUTEX_MOD_MDP_WROT0,
+	[MDP_COMP_WDMA] = MT8183_MUTEX_MOD_MDP_WDMA,
+	[MDP_COMP_AAL0] = MT8183_MUTEX_MOD_MDP_AAL0,
+	[MDP_COMP_CCORR0] = MT8183_MUTEX_MOD_MDP_CCORR0,
+};
+
 static const unsigned int mt8186_mutex_mod[DDP_COMPONENT_ID_MAX] = {
 	[DDP_COMPONENT_AAL0] = MT8186_MUTEX_MOD_DISP_AAL0,
 	[DDP_COMPONENT_CCORR] = MT8186_MUTEX_MOD_DISP_CCORR0,
@@ -300,6 +327,14 @@  static const unsigned int mt8186_mutex_sof[MUTEX_SOF_DSI3 + 1] = {
 	[MUTEX_SOF_DPI0] = MT8186_MUTEX_SOF_DPI0 | MT8186_MUTEX_EOF_DPI0,
 };
 
+/* indicate which mutex is used by each pipepline */
+static const unsigned int mt8183_mutex_mdp_offset[MDP_PIPE_MAX] = {
+	[MDP_PIPE_IMGI] = MT8183_MUTEX_MDP_START,
+	[MDP_PIPE_RDMA0] = MT8183_MUTEX_MDP_START + 1,
+	[MDP_PIPE_WPEI] = MT8183_MUTEX_MDP_START + 2,
+	[MDP_PIPE_WPEI2] = MT8183_MUTEX_MDP_START + 3
+};
+
 static const struct mtk_mutex_data mt2701_mutex_driver_data = {
 	.mutex_mod = mt2701_mutex_mod,
 	.mutex_sof = mt2712_mutex_sof,
@@ -334,6 +369,10 @@  static const struct mtk_mutex_data mt8183_mutex_driver_data = {
 	.mutex_sof = mt8183_mutex_sof,
 	.mutex_mod_reg = MT8183_MUTEX0_MOD0,
 	.mutex_sof_reg = MT8183_MUTEX0_SOF0,
+	.mutex_mdp_offset = mt8183_mutex_mdp_offset,
+	.mutex_mdp_mod = mt8183_mutex_mdp_mod,
+	.mutex_mdp_mod_mask = MT8183_MUTEX_MDP_MOD_MASK,
+	.mutex_mdp_sof_mask = MT8183_MUTEX_MDP_SOF_MASK,
 	.no_clk = true,
 };
 
@@ -366,6 +405,21 @@  struct mtk_mutex *mtk_mutex_get(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(mtk_mutex_get);
 
+struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev,
+				    enum mtk_mdp_pipe_id id)
+{
+	struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
+	int i = mtx->data->mutex_mdp_offset[id];
+
+	if (!mtx->mutex[i].claimed) {
+		mtx->mutex[i].claimed = true;
+		return &mtx->mutex[i];
+	}
+
+	return ERR_PTR(-EBUSY);
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_mdp_get);
+
 void mtk_mutex_put(struct mtk_mutex *mutex)
 {
 	struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
@@ -485,6 +539,20 @@  void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
 }
 EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp);
 
+u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex, enum mtk_mdp_comp_id id)
+{
+	struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
+						 mutex[mutex->id]);
+
+	WARN_ON(&mtx->mutex[mutex->id] != mutex);
+
+	if (mtx->data->mutex_mdp_mod)
+		return mtx->data->mutex_mdp_mod[id];
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_mutex_get_mdp_mod);
+
 void mtk_mutex_enable(struct mtk_mutex *mutex)
 {
 	struct mtk_mutex_ctx *mtx = container_of(mutex, struct mtk_mutex_ctx,
diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h
index 6fe4ffbde290..b2608f4220ee 100644
--- a/include/linux/soc/mediatek/mtk-mutex.h
+++ b/include/linux/soc/mediatek/mtk-mutex.h
@@ -11,9 +11,12 @@  struct device;
 struct mtk_mutex;
 
 struct mtk_mutex *mtk_mutex_get(struct device *dev);
+struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev,
+				    enum mtk_mdp_pipe_id id);
 int mtk_mutex_prepare(struct mtk_mutex *mutex);
 void mtk_mutex_add_comp(struct mtk_mutex *mutex,
 			enum mtk_ddp_comp_id id);
+u32 mtk_mutex_get_mdp_mod(struct mtk_mutex *mutex, enum mtk_mdp_comp_id id);
 void mtk_mutex_enable(struct mtk_mutex *mutex);
 void mtk_mutex_disable(struct mtk_mutex *mutex);
 void mtk_mutex_remove_comp(struct mtk_mutex *mutex,