drivers/gpu/drm/amd/display/dc/inc/hw/optc.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/inc/hw/optc.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/inc/hw/optc.h
Extension
.h
Size
6379 bytes
Lines
197
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 optc {
	struct timing_generator base;

	const struct dcn_optc_registers *tg_regs;
	const struct dcn_optc_shift *tg_shift;
	const struct dcn_optc_mask *tg_mask;

	int opp_count;

	uint32_t max_h_total;
	uint32_t max_v_total;

	uint32_t min_h_blank;

	uint32_t min_h_sync_width;
	uint32_t min_v_sync_width;
	uint32_t min_v_blank;
	uint32_t min_v_blank_interlace;

	int vstartup_start;
	int vupdate_offset;
	int vupdate_width;
	int vready_offset;
	int pstate_keepout;
	struct dc_crtc_timing orginal_patched_timing;
	enum signal_type signal;
};

void optc1_read_otg_state(struct timing_generator *optc, struct dcn_otg_state *s);

bool optc1_get_hw_timing(struct timing_generator *tg, struct dc_crtc_timing *hw_crtc_timing);

bool optc1_validate_timing(struct timing_generator *optc,
			   const struct dc_crtc_timing *timing);

void optc1_program_timing(struct timing_generator *optc,
			  const struct dc_crtc_timing *dc_crtc_timing,
			  int vready_offset,
			  int vstartup_start,
			  int vupdate_offset,
			  int vupdate_width,
			  int pstate_keepout,
			  const enum signal_type signal,
			  bool use_vbios);

void optc1_setup_vertical_interrupt0(struct timing_generator *optc,
				     uint32_t start_line,
				     uint32_t end_line);

void optc1_setup_vertical_interrupt1(struct timing_generator *optc,
				     uint32_t start_line);

void optc1_setup_vertical_interrupt2(struct timing_generator *optc,
				     uint32_t start_line);

void optc1_program_global_sync(struct timing_generator *optc,
			       int vready_offset,
			       int vstartup_start,
			       int vupdate_offset,
			       int vupdate_width,
				   int pstate_keepout);

bool optc1_disable_crtc(struct timing_generator *optc);

bool optc1_is_counter_moving(struct timing_generator *optc);

void optc1_get_position(struct timing_generator *optc,
			struct crtc_position *position);

uint32_t optc1_get_vblank_counter(struct timing_generator *optc);

void optc1_get_crtc_scanoutpos(struct timing_generator *optc,
			       uint32_t *v_blank_start,
			       uint32_t *v_blank_end,
			       uint32_t *h_position,
			       uint32_t *v_position);

void optc1_set_early_control(struct timing_generator *optc,
			     uint32_t early_cntl);

void optc1_wait_for_state(struct timing_generator *optc,
			  enum crtc_state state);

void optc1_set_blank(struct timing_generator *optc,
		     bool enable_blanking);

bool optc1_is_blanked(struct timing_generator *optc);

void optc1_program_blank_color(struct timing_generator *optc,
			       const struct tg_color *black_color);

Annotation

Implementation Notes