Commit 04121201 authored by Yongqiang Niu's avatar Yongqiang Niu Committed by Matthias Brugger
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soc: mediatek: add mtk mutex support for MT8183 



Add mtk mutex support for MT8183 SoC.

Signed-off-by: default avatarYongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: default avatarHsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: default avatarCK Hu <ck.hu@mediatek.com>
Link: https://lore.kernel.org/r/20210129092209.2584718-8-hsinyi@chromium.org


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent a38fd874

drivers/soc/mediatek/mtk-mutex.c

+50 −0
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 


#define MT2701_MUTEX0_MOD0			0x2c

#define MT2701_MUTEX0_SOF0			0x30

#define MT8183_MUTEX0_MOD0			0x30

#define MT8183_MUTEX0_SOF0			0x2c



#define DISP_REG_MUTEX_EN(n)			(0x20 + 0x20 * (n))

#define DISP_REG_MUTEX(n)			(0x24 + 0x20 * (n))
@@ -37,6 +39,18 @@ 
#define MT8167_MUTEX_MOD_DISP_DITHER		15

#define MT8167_MUTEX_MOD_DISP_UFOE		16



#define MT8183_MUTEX_MOD_DISP_RDMA0		0

#define MT8183_MUTEX_MOD_DISP_RDMA1		1

#define MT8183_MUTEX_MOD_DISP_OVL0		9

#define MT8183_MUTEX_MOD_DISP_OVL0_2L		10

#define MT8183_MUTEX_MOD_DISP_OVL1_2L		11

#define MT8183_MUTEX_MOD_DISP_WDMA0		12

#define MT8183_MUTEX_MOD_DISP_COLOR0		13

#define MT8183_MUTEX_MOD_DISP_CCORR0		14

#define MT8183_MUTEX_MOD_DISP_AAL0		15

#define MT8183_MUTEX_MOD_DISP_GAMMA0		16

#define MT8183_MUTEX_MOD_DISP_DITHER0		17



#define MT8173_MUTEX_MOD_DISP_OVL0		11

#define MT8173_MUTEX_MOD_DISP_OVL1		12

#define MT8173_MUTEX_MOD_DISP_RDMA0		13
@@ -87,6 +101,11 @@ 
#define MT2712_MUTEX_SOF_DSI3			6

#define MT8167_MUTEX_SOF_DPI0			2

#define MT8167_MUTEX_SOF_DPI1			3

#define MT8183_MUTEX_SOF_DSI0			1

#define MT8183_MUTEX_SOF_DPI0			2



#define MT8183_MUTEX_EOF_DSI0			(MT8183_MUTEX_SOF_DSI0 << 6)

#define MT8183_MUTEX_EOF_DPI0			(MT8183_MUTEX_SOF_DPI0 << 6)



struct mtk_mutex {

	int id;
@@ -181,6 +200,20 @@ static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { 
	[DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1,

};



static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {

	[DDP_COMPONENT_AAL0] = MT8183_MUTEX_MOD_DISP_AAL0,

	[DDP_COMPONENT_CCORR] = MT8183_MUTEX_MOD_DISP_CCORR0,

	[DDP_COMPONENT_COLOR0] = MT8183_MUTEX_MOD_DISP_COLOR0,

	[DDP_COMPONENT_DITHER] = MT8183_MUTEX_MOD_DISP_DITHER0,

	[DDP_COMPONENT_GAMMA] = MT8183_MUTEX_MOD_DISP_GAMMA0,

	[DDP_COMPONENT_OVL0] = MT8183_MUTEX_MOD_DISP_OVL0,

	[DDP_COMPONENT_OVL_2L0] = MT8183_MUTEX_MOD_DISP_OVL0_2L,

	[DDP_COMPONENT_OVL_2L1] = MT8183_MUTEX_MOD_DISP_OVL1_2L,

	[DDP_COMPONENT_RDMA0] = MT8183_MUTEX_MOD_DISP_RDMA0,

	[DDP_COMPONENT_RDMA1] = MT8183_MUTEX_MOD_DISP_RDMA1,

	[DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,

};



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,
@@ -198,6 +231,13 @@ static const unsigned int mt8167_mutex_sof[MUTEX_SOF_DSI3 + 1] = { 
	[MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,

};



/* Add EOF setting so overlay hardware can receive frame done irq */

static const unsigned int mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = {

	[MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,

	[MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,

	[MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,

};



static const struct mtk_mutex_data mt2701_mutex_driver_data = {

	.mutex_mod = mt2701_mutex_mod,

	.mutex_sof = mt2712_mutex_sof,
@@ -227,6 +267,14 @@ static const struct mtk_mutex_data mt8173_mutex_driver_data = { 
	.mutex_sof_reg = MT2701_MUTEX0_SOF0,

};



static const struct mtk_mutex_data mt8183_mutex_driver_data = {

	.mutex_mod = mt8183_mutex_mod,

	.mutex_sof = mt8183_mutex_sof,

	.mutex_mod_reg = MT8183_MUTEX0_MOD0,

	.mutex_sof_reg = MT8183_MUTEX0_SOF0,

	.no_clk = true,

};



struct mtk_mutex *mtk_mutex_get(struct device *dev)

{

	struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev);
@@ -457,6 +505,8 @@ static const struct of_device_id mutex_driver_dt_match[] = { 
	  .data = &mt8167_mutex_driver_data},

	{ .compatible = "mediatek,mt8173-disp-mutex",

	  .data = &mt8173_mutex_driver_data},

	{ .compatible = "mediatek,mt8183-disp-mutex",

	  .data = &mt8183_mutex_driver_data},

	{},

};

MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);