drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.h
Extension
.h
Size
11338 bytes
Lines
356
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 dce110_clk_src_shift {
	CS_REG_FIELD_LIST(uint8_t)
	CS_REG_FIELD_LIST_DCN32(uint8_t)
	CS_REG_FIELD_LIST_DCN401(uint8_t)
};

struct dce110_clk_src_mask {
	CS_REG_FIELD_LIST(uint32_t)
	CS_REG_FIELD_LIST_DCN32(uint32_t)
	CS_REG_FIELD_LIST_DCN401(uint32_t)
};

struct dce110_clk_src_regs {
	uint32_t RESYNC_CNTL;
	uint32_t PIXCLK_RESYNC_CNTL;
	uint32_t PLL_CNTL;
	uint32_t OTG_PIXEL_RATE_DIV;

	/* below are for DTO.
	 * todo: should probably use different struct to not waste space
	 */
	uint32_t PHASE[MAX_PIPES];
	uint32_t MODULO[MAX_PIPES];
	uint32_t PIXEL_RATE_CNTL[MAX_PIPES];
};

struct dce110_clk_src {
	struct clock_source base;
	const struct dce110_clk_src_regs *regs;
	const struct dce110_clk_src_mask *cs_mask;
	const struct dce110_clk_src_shift *cs_shift;
	struct dc_bios *bios;

	struct spread_spectrum_data *dp_ss_params;
	uint32_t dp_ss_params_cnt;
	struct spread_spectrum_data *hdmi_ss_params;
	uint32_t hdmi_ss_params_cnt;
	struct spread_spectrum_data *dvi_ss_params;
	uint32_t dvi_ss_params_cnt;
	struct spread_spectrum_data *lvds_ss_params;
	uint32_t lvds_ss_params_cnt;

	uint32_t ext_clk_khz;
	uint32_t ref_freq_khz;

	struct calc_pll_clock_source calc_pll;
	struct calc_pll_clock_source calc_pll_hdmi;
};

bool dce110_clk_src_construct(
	struct dce110_clk_src *clk_src,
	struct dc_context *ctx,
	struct dc_bios *bios,
	enum clock_source_id id,
	const struct dce110_clk_src_regs *regs,
	const struct dce110_clk_src_shift *cs_shift,
	const struct dce110_clk_src_mask *cs_mask);

bool dce112_clk_src_construct(
	struct dce110_clk_src *clk_src,
	struct dc_context *ctx,
	struct dc_bios *bios,
	enum clock_source_id id,
	const struct dce110_clk_src_regs *regs,
	const struct dce110_clk_src_shift *cs_shift,
	const struct dce110_clk_src_mask *cs_mask);

bool dcn20_clk_src_construct(
	struct dce110_clk_src *clk_src,
	struct dc_context *ctx,
	struct dc_bios *bios,
	enum clock_source_id id,
	const struct dce110_clk_src_regs *regs,
	const struct dce110_clk_src_shift *cs_shift,
	const struct dce110_clk_src_mask *cs_mask);

bool dcn3_clk_src_construct(
	struct dce110_clk_src *clk_src,
	struct dc_context *ctx,
	struct dc_bios *bios,
	enum clock_source_id id,
	const struct dce110_clk_src_regs *regs,
	const struct dce110_clk_src_shift *cs_shift,
	const struct dce110_clk_src_mask *cs_mask);

bool dcn301_clk_src_construct(
	struct dce110_clk_src *clk_src,
	struct dc_context *ctx,
	struct dc_bios *bios,
	enum clock_source_id id,

Annotation

Implementation Notes