drivers/gpu/drm/bridge/analogix/analogix_dp_core.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h

File Facts

System: Linux kernel
Corpus path: drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
Extension: .h
Size: 6616 bytes
Lines: 234
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.

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.
Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

drm/display/drm_dp_helper.h
drm/drm_crtc.h
drm/drm_bridge.h

Detected Declarations

struct gpio_desc
struct video_info
struct link_train
struct analogix_dp_device
enum link_lane_count_type
enum link_training_state
enum voltage_swing_level
enum pre_emphasis_level
enum pattern_set
enum color_space
enum color_depth
enum color_coefficient
enum dynamic_range
enum clock_recovery_m_value_type
enum video_timing_recognition_type
enum analog_power_block
enum dp_irq_type

Annotated Snippet

struct video_info {
	char *name;

	bool h_sync_polarity;
	bool v_sync_polarity;
	bool interlaced;

	enum color_space color_space;
	enum dynamic_range dynamic_range;
	enum color_coefficient ycbcr_coeff;
	enum color_depth color_depth;

	int max_link_rate;
	enum link_lane_count_type max_lane_count;
};

struct link_train {
	int eq_loop;
	int cr_loop[4];

	u8 link_rate;
	u8 lane_count;
	u8 training_lane[4];

	enum link_training_state lt_state;
};

struct analogix_dp_device {
	struct drm_encoder	*encoder;
	struct device		*dev;
	struct drm_device	*drm_dev;
	struct drm_bridge	bridge;
	struct drm_dp_aux	aux;
	struct clk		*clock;
	unsigned int		irq;
	void __iomem		*reg_base;

	struct video_info	video_info;
	struct link_train	link_train;
	struct phy		*phy;
	int			dpms_mode;
	struct gpio_desc	*hpd_gpiod;
	bool			force_hpd;
	bool			fast_train_enable;
	bool			psr_supported;

	struct analogix_dp_plat_data *plat_data;
};

/* analogix_dp_reg.c */
void analogix_dp_enable_video_mute(struct analogix_dp_device *dp, bool enable);
void analogix_dp_stop_video(struct analogix_dp_device *dp);
void analogix_dp_lane_swap(struct analogix_dp_device *dp, bool enable);
void analogix_dp_init_analog_param(struct analogix_dp_device *dp);
void analogix_dp_init_interrupt(struct analogix_dp_device *dp);
void analogix_dp_reset(struct analogix_dp_device *dp);
void analogix_dp_swreset(struct analogix_dp_device *dp);
void analogix_dp_config_interrupt(struct analogix_dp_device *dp);
void analogix_dp_mute_hpd_interrupt(struct analogix_dp_device *dp);
void analogix_dp_unmute_hpd_interrupt(struct analogix_dp_device *dp);
int analogix_dp_wait_pll_locked(struct analogix_dp_device *dp);
void analogix_dp_set_pll_power_down(struct analogix_dp_device *dp, bool enable);
void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
				       enum analog_power_block block,
				       bool enable);
int analogix_dp_init_analog_func(struct analogix_dp_device *dp);
void analogix_dp_init_hpd(struct analogix_dp_device *dp);
void analogix_dp_force_hpd(struct analogix_dp_device *dp);
enum dp_irq_type analogix_dp_get_irq_type(struct analogix_dp_device *dp);
void analogix_dp_clear_hotplug_interrupts(struct analogix_dp_device *dp);
void analogix_dp_reset_aux(struct analogix_dp_device *dp);
void analogix_dp_init_aux(struct analogix_dp_device *dp);
int analogix_dp_get_plug_in_status(struct analogix_dp_device *dp);
void analogix_dp_enable_sw_function(struct analogix_dp_device *dp);
void analogix_dp_set_link_bandwidth(struct analogix_dp_device *dp, u32 bwtype);
void analogix_dp_get_link_bandwidth(struct analogix_dp_device *dp, u32 *bwtype);
void analogix_dp_set_lane_count(struct analogix_dp_device *dp, u32 count);
void analogix_dp_get_lane_count(struct analogix_dp_device *dp, u32 *count);
void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp,
				      bool enable);
void analogix_dp_set_training_pattern(struct analogix_dp_device *dp,
				      enum pattern_set pattern);
void analogix_dp_set_lane_link_training(struct analogix_dp_device *dp);
u32 analogix_dp_get_lane_link_training(struct analogix_dp_device *dp, u8 lane);
void analogix_dp_reset_macro(struct analogix_dp_device *dp);
void analogix_dp_init_video(struct analogix_dp_device *dp);

void analogix_dp_set_video_color_format(struct analogix_dp_device *dp);
int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp);
void analogix_dp_set_video_cr_mn(struct analogix_dp_device *dp,

Annotation

Immediate include surface: `drm/display/drm_dp_helper.h`, `drm/drm_crtc.h`, `drm/drm_bridge.h`.
Detected declarations: `struct gpio_desc`, `struct video_info`, `struct link_train`, `struct analogix_dp_device`, `enum link_lane_count_type`, `enum link_training_state`, `enum voltage_swing_level`, `enum pre_emphasis_level`, `enum pattern_set`, `enum color_space`.
Atlas domain: Driver Families / drivers/gpu.
Implementation status: source implementation candidate.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.