drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.h
Extension
.h
Size
3730 bytes
Lines
125
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 dcn31_apg_registers {
	uint32_t APG_CONTROL;
	uint32_t APG_CONTROL2;
	uint32_t APG_MEM_PWR;
	uint32_t APG_DBG_GEN_CONTROL;
};


#define DCN31_APG_MASK_SH_LIST(mask_sh)\
	SE_SF(APG0_APG_CONTROL, APG_RESET, mask_sh),\
	SE_SF(APG0_APG_CONTROL, APG_RESET_DONE, mask_sh),\
	SE_SF(APG0_APG_CONTROL2, APG_ENABLE, mask_sh),\
	SE_SF(APG0_APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, mask_sh),\
	SE_SF(APG0_APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, mask_sh),\
	SE_SF(APG0_APG_MEM_PWR, APG_MEM_PWR_FORCE, mask_sh)

#define APG_DCN31_REG_FIELD_LIST(type) \
		type APG_RESET;\
		type APG_RESET_DONE;\
		type APG_ENABLE;\
		type APG_DP_AUDIO_STREAM_ID;\
		type APG_DBG_AUDIO_CHANNEL_ENABLE;\
		type APG_MEM_PWR_FORCE

//APG0_APG_DBG_GEN_CONTROL
#define APG0_APG_DBG_GEN_CONTROL__APG_DBG_AUDIO_CHANNEL_ENABLE__SHIFT                                         0x8
#define APG0_APG_DBG_GEN_CONTROL__APG_DBG_AUDIO_CHANNEL_ENABLE_MASK                                           0x0000FF00L

/* Not in DCN42B: APG_DBG_GEN_CONTROL, APG0_APG_DBG_60958 */
#define DCN42B_APG_MASK_SH_LIST(mask_sh)\
	SE_SF(APG0_APG_CONTROL, APG_RESET, mask_sh),\
	SE_SF(APG0_APG_CONTROL, APG_RESET_DONE, mask_sh),\
	SE_SF(APG0_APG_CONTROL2, APG_ENABLE, mask_sh),\
	SE_SF(APG0_APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, mask_sh),\
	SE_SF(APG0_APG_MEM_PWR, APG_MEM_PWR_FORCE, mask_sh),\
	SE_SF(APG0_APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, mask_sh)

struct dcn31_apg_shift {
	APG_DCN31_REG_FIELD_LIST(uint8_t);
};

struct dcn31_apg_mask {
	APG_DCN31_REG_FIELD_LIST(uint32_t);
};

struct apg {
	const struct apg_funcs *funcs;
	struct dc_context *ctx;
	int inst;
};

struct apg_funcs {

	void (*setup_hdmi_audio)(
		struct apg *apg);

	void (*se_audio_setup)(
		struct apg *apg,
		unsigned int az_inst,
		struct audio_info *audio_info);

	void (*enable_apg)(
		struct apg *apg);

	void (*disable_apg)(
		struct apg *apg);
};



struct dcn31_apg {
	struct apg base;
	const struct dcn31_apg_registers *regs;
	const struct dcn31_apg_shift *apg_shift;
	const struct dcn31_apg_mask *apg_mask;
};

void apg31_construct(struct dcn31_apg *apg3,
	struct dc_context *ctx,
	uint32_t inst,
	const struct dcn31_apg_registers *apg_regs,
	const struct dcn31_apg_shift *apg_shift,
	const struct dcn31_apg_mask *apg_mask);


#endif

Annotation

Implementation Notes