drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.h
Extension
.h
Size
4870 bytes
Lines
101
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 dcn21_link_encoder {
	struct dcn10_link_encoder enc10;
	struct dpcssys_phy_seq_cfg phy_seq_cfg;
};

#define DPCS_DCN21_MASK_SH_LIST(mask_sh)\
	DPCS_DCN2_MASK_SH_LIST(mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE3, RDPCS_PHY_TX_VBOOST_LVL, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE2, RDPCS_PHY_DP_MPLLB_CP_PROP_GS, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE0, RDPCS_PHY_RX_VREF_CTRL, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE0, RDPCS_PHY_DP_MPLLB_CP_INT_GS, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_DMCU_DPALT_DIS_BLOCK_REG, RDPCS_DMCU_DPALT_DIS_BLOCK_REG, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL15, RDPCS_PHY_SUP_PRE_HP, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL15, RDPCS_PHY_DP_TX0_VREGDRV_BYP, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL15, RDPCS_PHY_DP_TX1_VREGDRV_BYP, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL15, RDPCS_PHY_DP_TX2_VREGDRV_BYP, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL15, RDPCS_PHY_DP_TX3_VREGDRV_BYP, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE0, RDPCS_PHY_DP_TX0_EQ_MAIN, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE0, RDPCS_PHY_DP_TX0_EQ_PRE, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE0, RDPCS_PHY_DP_TX0_EQ_POST, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE1, RDPCS_PHY_DP_TX1_EQ_MAIN, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE1, RDPCS_PHY_DP_TX1_EQ_PRE, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE1, RDPCS_PHY_DP_TX1_EQ_POST, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE2, RDPCS_PHY_DP_TX2_EQ_MAIN, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE2, RDPCS_PHY_DP_TX2_EQ_PRE, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE2, RDPCS_PHY_DP_TX2_EQ_POST, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE3, RDPCS_PHY_DP_TX3_EQ_MAIN, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE3, RDPCS_PHY_DCO_FINETUNE, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE3, RDPCS_PHY_DCO_RANGE, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE3, RDPCS_PHY_DP_TX3_EQ_PRE, mask_sh),\
	LE_SF(RDPCSTX0_RDPCSTX_PHY_FUSE3, RDPCS_PHY_DP_TX3_EQ_POST, mask_sh),\
	LE_SF(DCIO_SOFT_RESET, UNIPHYA_SOFT_RESET, mask_sh),\
	LE_SF(DCIO_SOFT_RESET, UNIPHYB_SOFT_RESET, mask_sh),\
	LE_SF(DCIO_SOFT_RESET, UNIPHYC_SOFT_RESET, mask_sh),\
	LE_SF(DCIO_SOFT_RESET, UNIPHYD_SOFT_RESET, mask_sh),\
	LE_SF(DCIO_SOFT_RESET, UNIPHYE_SOFT_RESET, mask_sh)

#define DPCS_DCN21_REG_LIST(id) \
	DPCS_DCN2_REG_LIST(id),\
	SRI(RDPCSTX_PHY_CNTL15, RDPCSTX, id),\
	SRI(RDPCSTX_DMCU_DPALT_DIS_BLOCK_REG, RDPCSTX, id)

#define LINK_ENCODER_MASK_SH_LIST_DCN21(mask_sh)\
	LINK_ENCODER_MASK_SH_LIST_DCN20(mask_sh),\
	LE_SF(UNIPHYA_CHANNEL_XBAR_CNTL, UNIPHY_CHANNEL0_XBAR_SOURCE, mask_sh),\
	LE_SF(UNIPHYA_CHANNEL_XBAR_CNTL, UNIPHY_CHANNEL1_XBAR_SOURCE, mask_sh),\
	LE_SF(UNIPHYA_CHANNEL_XBAR_CNTL, UNIPHY_CHANNEL2_XBAR_SOURCE, mask_sh),\
	LE_SF(UNIPHYA_CHANNEL_XBAR_CNTL, UNIPHY_CHANNEL3_XBAR_SOURCE, mask_sh), \
	SRI(RDPCSTX_PHY_FUSE2, RDPCSTX, id), \
	SRI(RDPCSTX_PHY_FUSE3, RDPCSTX, id), \
	SR(RDPCSTX0_RDPCSTX_SCRATCH)

void dcn21_link_encoder_enable_dp_output(
	struct link_encoder *enc,
	const struct dc_link_settings *link_settings,
	enum clock_source_id clock_source);

void dcn21_link_encoder_construct(
	struct dcn21_link_encoder *enc21,
	const struct encoder_init_data *init_data,
	const struct encoder_feature_support *enc_features,
	const struct dcn10_link_enc_registers *link_regs,
	const struct dcn10_link_enc_aux_registers *aux_regs,
	const struct dcn10_link_enc_hpd_registers *hpd_regs,
	const struct dcn10_link_enc_shift *link_shift,
	const struct dcn10_link_enc_mask *link_mask);

#endif

Annotation

Implementation Notes