drivers/gpu/drm/msm/dsi/phy/dsi_phy.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
Extension
.h
Size
4329 bytes
Lines
142
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source 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 msm_dsi_phy_ops {
	int (*pll_init)(struct msm_dsi_phy *phy);
	int (*enable)(struct msm_dsi_phy *phy,
			struct msm_dsi_phy_clk_request *clk_req);
	void (*disable)(struct msm_dsi_phy *phy);
	void (*save_pll_state)(struct msm_dsi_phy *phy);
	int (*restore_pll_state)(struct msm_dsi_phy *phy);
	bool (*set_continuous_clock)(struct msm_dsi_phy *phy, bool enable);
	int (*parse_dt_properties)(struct msm_dsi_phy *phy);
};

struct msm_dsi_phy_cfg {
	const struct regulator_bulk_data *regulator_data;
	int num_regulators;
	struct msm_dsi_phy_ops ops;

	unsigned long	min_pll_rate;
	unsigned long	max_pll_rate;

	const resource_size_t io_start[DSI_MAX];
	const int num_dsi_phy;
	const int quirks;
	bool has_phy_regulator;
	bool has_phy_lane;
};

extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8226_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8937_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_14nm_6150_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_14nm_2290_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_14nm_8953_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_7nm_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_7nm_6375_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_7nm_8150_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_7nm_7280_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_5nm_8350_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_5nm_8450_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_5nm_8775p_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_5nm_sar2130p_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_4nm_milos_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_4nm_8550_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_4nm_8650_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_3nm_8750_cfgs;
extern const struct msm_dsi_phy_cfg dsi_phy_3nm_kaanapali_cfgs;

struct msm_dsi_dphy_timing {
	u32 clk_zero;
	u32 clk_trail;
	u32 clk_prepare;
	u32 hs_exit;
	u32 hs_zero;
	u32 hs_prepare;
	u32 hs_trail;
	u32 hs_rqst;
	u32 ta_go;
	u32 ta_sure;
	u32 ta_get;

	struct msm_dsi_phy_shared_timings shared_timings;

	/* For PHY v2 only */
	u32 hs_rqst_ckln;
	u32 hs_prep_dly;
	u32 hs_prep_dly_ckln;
	u8 hs_halfbyte_en;
	u8 hs_halfbyte_en_ckln;
};

#define NUM_PROVIDED_CLKS		(DSI_PIXEL_PLL_CLK + 1)

#define DSI_LANE_MAX			5

struct msm_dsi_phy {
	struct platform_device *pdev;
	void __iomem *base;
	void __iomem *pll_base;
	void __iomem *reg_base;
	void __iomem *lane_base;
	phys_addr_t base_size;
	phys_addr_t pll_size;
	phys_addr_t reg_size;

Annotation

Implementation Notes