drivers/soc/mediatek/mtk-mutex.c

Source file repositories/reference/linux-study-clean/drivers/soc/mediatek/mtk-mutex.c

File Facts

System
Linux kernel
Corpus path
drivers/soc/mediatek/mtk-mutex.c
Extension
.c
Size
43633 bytes
Lines
1164
Domain
Driver Families
Bucket
drivers/soc
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mtk_mutex {
	u8 id;
	bool claimed;
};

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,
	MUTEX_SOF_DP_INTF0,
	MUTEX_SOF_DP_INTF1,
	DDP_MUTEX_SOF_MAX,
};

struct mtk_mutex_data {
	const u8 *mutex_mod;
	const u8 *mutex_table_mod;
	const u16 *mutex_sof;
	const u16 mutex_mod_reg;
	const u16 mutex_mod1_reg;
	const u16 mutex_sof_reg;
	const bool no_clk;
};

struct mtk_mutex_ctx {
	struct device			*dev;
	struct clk			*clk;
	void __iomem			*regs;
	struct mtk_mutex		mutex[MTK_MUTEX_MAX_HANDLES];
	const struct mtk_mutex_data	*data;
	phys_addr_t			addr;
	struct cmdq_client_reg		cmdq_reg;
};

static const u8 mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = {
	[DDP_COMPONENT_BLS] = MT2701_MUTEX_MOD_DISP_BLS,
	[DDP_COMPONENT_COLOR0] = MT2701_MUTEX_MOD_DISP_COLOR,
	[DDP_COMPONENT_OVL0] = MT2701_MUTEX_MOD_DISP_OVL,
	[DDP_COMPONENT_RDMA0] = MT2701_MUTEX_MOD_DISP_RDMA0,
	[DDP_COMPONENT_RDMA1] = MT2701_MUTEX_MOD_DISP_RDMA1,
	[DDP_COMPONENT_WDMA0] = MT2701_MUTEX_MOD_DISP_WDMA,
};

static const u8 mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = {
	[DDP_COMPONENT_AAL0] = MT2712_MUTEX_MOD_DISP_AAL0,
	[DDP_COMPONENT_AAL1] = MT2712_MUTEX_MOD2_DISP_AAL1,
	[DDP_COMPONENT_COLOR0] = MT2712_MUTEX_MOD_DISP_COLOR0,
	[DDP_COMPONENT_COLOR1] = MT2712_MUTEX_MOD_DISP_COLOR1,
	[DDP_COMPONENT_OD0] = MT2712_MUTEX_MOD_DISP_OD0,
	[DDP_COMPONENT_OD1] = MT2712_MUTEX_MOD2_DISP_OD1,
	[DDP_COMPONENT_OVL0] = MT2712_MUTEX_MOD_DISP_OVL0,
	[DDP_COMPONENT_OVL1] = MT2712_MUTEX_MOD_DISP_OVL1,
	[DDP_COMPONENT_PWM0] = MT2712_MUTEX_MOD_DISP_PWM0,
	[DDP_COMPONENT_PWM1] = MT2712_MUTEX_MOD_DISP_PWM1,
	[DDP_COMPONENT_PWM2] = MT2712_MUTEX_MOD_DISP_PWM2,
	[DDP_COMPONENT_RDMA0] = MT2712_MUTEX_MOD_DISP_RDMA0,
	[DDP_COMPONENT_RDMA1] = MT2712_MUTEX_MOD_DISP_RDMA1,
	[DDP_COMPONENT_RDMA2] = MT2712_MUTEX_MOD_DISP_RDMA2,
	[DDP_COMPONENT_UFOE] = MT2712_MUTEX_MOD_DISP_UFOE,
	[DDP_COMPONENT_WDMA0] = MT2712_MUTEX_MOD_DISP_WDMA0,
	[DDP_COMPONENT_WDMA1] = MT2712_MUTEX_MOD_DISP_WDMA1,
};

static const u8 mt8167_mutex_mod[DDP_COMPONENT_ID_MAX] = {
	[DDP_COMPONENT_AAL0] = MT8167_MUTEX_MOD_DISP_AAL,
	[DDP_COMPONENT_CCORR] = MT8167_MUTEX_MOD_DISP_CCORR,
	[DDP_COMPONENT_COLOR0] = MT8167_MUTEX_MOD_DISP_COLOR,
	[DDP_COMPONENT_DITHER0] = MT8167_MUTEX_MOD_DISP_DITHER,
	[DDP_COMPONENT_GAMMA] = MT8167_MUTEX_MOD_DISP_GAMMA,
	[DDP_COMPONENT_OVL0] = MT8167_MUTEX_MOD_DISP_OVL0,
	[DDP_COMPONENT_OVL1] = MT8167_MUTEX_MOD_DISP_OVL1,
	[DDP_COMPONENT_PWM0] = MT8167_MUTEX_MOD_DISP_PWM,
	[DDP_COMPONENT_RDMA0] = MT8167_MUTEX_MOD_DISP_RDMA0,
	[DDP_COMPONENT_RDMA1] = MT8167_MUTEX_MOD_DISP_RDMA1,
	[DDP_COMPONENT_UFOE] = MT8167_MUTEX_MOD_DISP_UFOE,
	[DDP_COMPONENT_WDMA0] = MT8167_MUTEX_MOD_DISP_WDMA0,
};

static const u8 mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
	[DDP_COMPONENT_AAL0] = MT8173_MUTEX_MOD_DISP_AAL,
	[DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0,
	[DDP_COMPONENT_COLOR1] = MT8173_MUTEX_MOD_DISP_COLOR1,
	[DDP_COMPONENT_GAMMA] = MT8173_MUTEX_MOD_DISP_GAMMA,
	[DDP_COMPONENT_OD0] = MT8173_MUTEX_MOD_DISP_OD,
	[DDP_COMPONENT_OVL0] = MT8173_MUTEX_MOD_DISP_OVL0,
	[DDP_COMPONENT_OVL1] = MT8173_MUTEX_MOD_DISP_OVL1,

Annotation

Implementation Notes