include/drm/bridge/samsung-dsim.h

Source file repositories/reference/linux-study-clean/include/drm/bridge/samsung-dsim.h

File Facts

System
Linux kernel
Corpus path
include/drm/bridge/samsung-dsim.h
Extension
.h
Size
3433 bytes
Lines
141
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct samsung_dsim_transfer {
	struct list_head list;
	struct completion completed;
	int result;
	struct mipi_dsi_packet packet;
	u16 flags;
	u16 tx_done;

	u8 *rx_payload;
	u16 rx_len;
	u16 rx_done;
};

struct samsung_dsim_driver_data {
	const unsigned int *reg_ofs;
	unsigned int plltmr_reg;
	unsigned int has_legacy_status_reg:1;
	unsigned int has_freqband:1;
	unsigned int has_clklane_stop:1;
	unsigned int has_broken_fifoctrl_emptyhdr:1;
	unsigned int has_sfrctrl:1;
	struct clk_bulk_data *clk_data;
	unsigned int num_clks;
	unsigned int min_freq;
	unsigned int max_freq;
	unsigned int wait_for_hdr_fifo;
	unsigned int wait_for_reset;
	unsigned int num_bits_resol;
	unsigned int video_mode_bit;
	unsigned int pll_stable_bit;
	unsigned int esc_clken_bit;
	unsigned int byte_clken_bit;
	unsigned int tx_req_hsclk_bit;
	unsigned int lane_esc_clk_bit;
	unsigned int lane_esc_data_offset;
	unsigned int pll_p_offset;
	unsigned int pll_m_offset;
	unsigned int pll_s_offset;
	unsigned int main_vsa_offset;
	const unsigned int *reg_values;
	unsigned int pll_fin_min;
	unsigned int pll_fin_max;
	u16 m_min;
	u16 m_max;
};

struct samsung_dsim_host_ops {
	int (*register_host)(struct samsung_dsim *dsim);
	void (*unregister_host)(struct samsung_dsim *dsim);
	int (*attach)(struct samsung_dsim *dsim, struct mipi_dsi_device *device);
	void (*detach)(struct samsung_dsim *dsim, struct mipi_dsi_device *device);
	irqreturn_t (*te_irq_handler)(struct samsung_dsim *dsim);
};

struct samsung_dsim_plat_data {
	enum samsung_dsim_type hw_type;
	const struct samsung_dsim_host_ops *host_ops;
};

struct samsung_dsim {
	struct mipi_dsi_host dsi_host;
	struct drm_bridge bridge;
	struct device *dev;
	struct drm_display_mode mode;

	void __iomem *reg_base;
	struct phy *phy;
	struct clk *pll_clk;
	struct regulator_bulk_data supplies[2];
	int irq;
	struct gpio_desc *te_gpio;

	u32 pll_clk_rate;
	u32 burst_clk_rate;
	u32 hs_clock;
	u32 esc_clk_rate;
	u32 lanes;
	u32 mode_flags;
	u32 format;

	bool swap_dn_dp_clk;
	bool swap_dn_dp_data;
	int state;
	struct drm_property *brightness;
	struct completion completed;

	spinlock_t transfer_lock; /* protects transfer_list */
	struct list_head transfer_list;

	const struct samsung_dsim_driver_data *driver_data;

Annotation

Implementation Notes