/* * Copyright 2016 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ #ifndef DC_DP_TYPES_H #define DC_DP_TYPES_H #include "os_types.h" enum dc_lane_count { LANE_COUNT_UNKNOWN = 0, LANE_COUNT_ONE = 1, LANE_COUNT_TWO = 2, LANE_COUNT_FOUR = 4, LANE_COUNT_EIGHT = 8, LANE_COUNT_DP_MAX = LANE_COUNT_FOUR }; /* This is actually a reference clock (27MHz) multiplier * 162MBps bandwidth for 1.62GHz like rate, * 270MBps for 2.70GHz, * 324MBps for 3.24Ghz, * 540MBps for 5.40GHz * 810MBps for 8.10GHz */ enum dc_link_rate { LINK_RATE_UNKNOWN = 0, LINK_RATE_LOW = 0x06, // Rate_1 (RBR) - 1.62 Gbps/Lane LINK_RATE_RATE_2 = 0x08, // Rate_2 - 2.16 Gbps/Lane LINK_RATE_RATE_3 = 0x09, // Rate_3 - 2.43 Gbps/Lane LINK_RATE_HIGH = 0x0A, // Rate_4 (HBR) - 2.70 Gbps/Lane LINK_RATE_RBR2 = 0x0C, // Rate_5 (RBR2)- 3.24 Gbps/Lane LINK_RATE_RATE_6 = 0x10, // Rate_6 - 4.32 Gbps/Lane LINK_RATE_HIGH2 = 0x14, // Rate_7 (HBR2)- 5.40 Gbps/Lane LINK_RATE_HIGH3 = 0x1E // Rate_8 (HBR3)- 8.10 Gbps/Lane }; enum dc_link_spread { LINK_SPREAD_DISABLED = 0x00, /* 0.5 % downspread 30 kHz */ LINK_SPREAD_05_DOWNSPREAD_30KHZ = 0x10, /* 0.5 % downspread 33 kHz */ LINK_SPREAD_05_DOWNSPREAD_33KHZ = 0x11 }; enum dc_voltage_swing { VOLTAGE_SWING_LEVEL0 = 0, /* direct HW translation! */ VOLTAGE_SWING_LEVEL1, VOLTAGE_SWING_LEVEL2, VOLTAGE_SWING_LEVEL3, VOLTAGE_SWING_MAX_LEVEL = VOLTAGE_SWING_LEVEL3 }; enum dc_pre_emphasis { PRE_EMPHASIS_DISABLED = 0, /* direct HW translation! */ PRE_EMPHASIS_LEVEL1, PRE_EMPHASIS_LEVEL2, PRE_EMPHASIS_LEVEL3, PRE_EMPHASIS_MAX_LEVEL = PRE_EMPHASIS_LEVEL3 }; /* Post Cursor 2 is optional for transmitter * and it applies only to the main link operating at HBR2 */ enum dc_post_cursor2 { POST_CURSOR2_DISABLED = 0, /* direct HW translation! */ POST_CURSOR2_LEVEL1, POST_CURSOR2_LEVEL2, POST_CURSOR2_LEVEL3, POST_CURSOR2_MAX_LEVEL = POST_CURSOR2_LEVEL3, }; enum dc_dp_training_pattern { DP_TRAINING_PATTERN_SEQUENCE_1 = 0, DP_TRAINING_PATTERN_SEQUENCE_2, DP_TRAINING_PATTERN_SEQUENCE_3, DP_TRAINING_PATTERN_SEQUENCE_4, }; struct dc_link_settings { enum dc_lane_count lane_count; enum dc_link_rate link_rate; enum dc_link_spread link_spread; bool use_link_rate_set; uint8_t link_rate_set; }; struct dc_lane_settings { enum dc_voltage_swing VOLTAGE_SWING; enum dc_pre_emphasis PRE_EMPHASIS; enum dc_post_cursor2 POST_CURSOR2; }; struct dc_link_training_settings { struct dc_link_settings link; struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]; }; struct dc_link_training_overrides { enum dc_voltage_swing *voltage_swing; enum dc_pre_emphasis *pre_emphasis; enum dc_post_cursor2 *post_cursor2; uint16_t *cr_pattern_time; uint16_t *eq_pattern_time; enum dc_dp_training_pattern *pattern_for_eq; enum dc_link_spread *downspread; bool *alternate_scrambler_reset; bool *enhanced_framing; bool *mst_enable; bool *fec_enable; }; union dpcd_rev { struct { uint8_t MINOR:4; uint8_t MAJOR:4; } bits; uint8_t raw; }; union max_lane_count { struct { uint8_t MAX_LANE_COUNT:5; uint8_t POST_LT_ADJ_REQ_SUPPORTED:1; uint8_t TPS3_SUPPORTED:1; uint8_t ENHANCED_FRAME_CAP:1; } bits; uint8_t raw; }; union max_down_spread { struct { uint8_t MAX_DOWN_SPREAD:1; uint8_t RESERVED:5; uint8_t NO_AUX_HANDSHAKE_LINK_TRAINING:1; uint8_t TPS4_SUPPORTED:1; } bits; uint8_t raw; }; union mstm_cap { struct { uint8_t MST_CAP:1; uint8_t RESERVED:7; } bits; uint8_t raw; }; union lane_count_set { struct { uint8_t LANE_COUNT_SET:5; uint8_t POST_LT_ADJ_REQ_GRANTED:1; uint8_t RESERVED:1; uint8_t ENHANCED_FRAMING:1; } bits; uint8_t raw; }; union lane_status { struct { uint8_t CR_DONE_0:1; uint8_t CHANNEL_EQ_DONE_0:1; uint8_t SYMBOL_LOCKED_0:1; uint8_t RESERVED0:1; uint8_t CR_DONE_1:1; uint8_t CHANNEL_EQ_DONE_1:1; uint8_t SYMBOL_LOCKED_1:1; uint8_t RESERVED_1:1; } bits; uint8_t raw; }; union device_service_irq { struct { uint8_t REMOTE_CONTROL_CMD_PENDING:1; uint8_t AUTOMATED_TEST:1; uint8_t CP_IRQ:1; uint8_t MCCS_IRQ:1; uint8_t DOWN_REP_MSG_RDY:1; uint8_t UP_REQ_MSG_RDY:1; uint8_t SINK_SPECIFIC:1; uint8_t reserved:1; } bits; uint8_t raw; }; union sink_count { struct { uint8_t SINK_COUNT:6; uint8_t CPREADY:1; uint8_t RESERVED:1; } bits; uint8_t raw; }; union lane_align_status_updated { struct { uint8_t INTERLANE_ALIGN_DONE:1; uint8_t POST_LT_ADJ_REQ_IN_PROGRESS:1; uint8_t RESERVED:4; uint8_t DOWNSTREAM_PORT_STATUS_CHANGED:1; uint8_t LINK_STATUS_UPDATED:1; } bits; uint8_t raw; }; union lane_adjust { struct { uint8_t VOLTAGE_SWING_LANE:2; uint8_t PRE_EMPHASIS_LANE:2; uint8_t RESERVED:4; } bits; uint8_t raw; }; union dpcd_training_pattern { struct { uint8_t TRAINING_PATTERN_SET:4; uint8_t RECOVERED_CLOCK_OUT_EN:1; uint8_t SCRAMBLING_DISABLE:1; uint8_t SYMBOL_ERROR_COUNT_SEL:2; } v1_4; struct { uint8_t TRAINING_PATTERN_SET:2; uint8_t LINK_QUAL_PATTERN_SET:2; uint8_t RESERVED:4; } v1_3; uint8_t raw; }; /* Training Lane is used to configure downstream DP device's voltage swing and pre-emphasis levels*/ /* The DPCD addresses are from 0x103 to 0x106*/ union dpcd_training_lane { struct { uint8_t VOLTAGE_SWING_SET:2; uint8_t MAX_SWING_REACHED:1; uint8_t PRE_EMPHASIS_SET:2; uint8_t MAX_PRE_EMPHASIS_REACHED:1; uint8_t RESERVED:2; } bits; uint8_t raw; }; /* TMDS-converter related */ union dwnstream_port_caps_byte0 { struct { uint8_t DWN_STRM_PORTX_TYPE:3; uint8_t DWN_STRM_PORTX_HPD:1; uint8_t RESERVERD:4; } bits; uint8_t raw; }; /* these are the detailed types stored at DWN_STRM_PORTX_CAP (00080h)*/ enum dpcd_downstream_port_detailed_type { DOWN_STREAM_DETAILED_DP = 0, DOWN_STREAM_DETAILED_VGA, DOWN_STREAM_DETAILED_DVI, DOWN_STREAM_DETAILED_HDMI, DOWN_STREAM_DETAILED_NONDDC,/* has no EDID (TV,CV)*/ DOWN_STREAM_DETAILED_DP_PLUS_PLUS }; union dwnstream_port_caps_byte2 { struct { uint8_t MAX_BITS_PER_COLOR_COMPONENT:2; uint8_t RESERVED:6; } bits; uint8_t raw; }; union dp_downstream_port_present { uint8_t byte; struct { uint8_t PORT_PRESENT:1; uint8_t PORT_TYPE:2; uint8_t FMT_CONVERSION:1; uint8_t DETAILED_CAPS:1; uint8_t RESERVED:3; } fields; }; union dwnstream_port_caps_byte3_dvi { struct { uint8_t RESERVED1:1; uint8_t DUAL_LINK:1; uint8_t HIGH_COLOR_DEPTH:1; uint8_t RESERVED2:5; } bits; uint8_t raw; }; union dwnstream_port_caps_byte3_hdmi { struct { uint8_t FRAME_SEQ_TO_FRAME_PACK:1; uint8_t YCrCr422_PASS_THROUGH:1; uint8_t YCrCr420_PASS_THROUGH:1; uint8_t YCrCr422_CONVERSION:1; uint8_t YCrCr420_CONVERSION:1; uint8_t RESERVED:3; } bits; uint8_t raw; }; /*4-byte structure for detailed capabilities of a down-stream port (DP-to-TMDS converter).*/ union dwnstream_portxcaps { struct { union dwnstream_port_caps_byte0 byte0; unsigned char max_TMDS_clock; //byte1 union dwnstream_port_caps_byte2 byte2; union { union dwnstream_port_caps_byte3_dvi byteDVI; union dwnstream_port_caps_byte3_hdmi byteHDMI; } byte3; } bytes; unsigned char raw[4]; }; union downstream_port { struct { unsigned char present:1; unsigned char type:2; unsigned char format_conv:1; unsigned char detailed_caps:1; unsigned char reserved:3; } bits; unsigned char raw; }; union sink_status { struct { uint8_t RX_PORT0_STATUS:1; uint8_t RX_PORT1_STATUS:1; uint8_t RESERVED:6; } bits; uint8_t raw; }; /*6-byte structure corresponding to 6 registers (200h-205h) read during handling of HPD-IRQ*/ union hpd_irq_data { struct { union sink_count sink_cnt;/* 200h */ union device_service_irq device_service_irq;/* 201h */ union lane_status lane01_status;/* 202h */ union lane_status lane23_status;/* 203h */ union lane_align_status_updated lane_status_updated;/* 204h */ union sink_status sink_status; } bytes; uint8_t raw[6]; }; union down_stream_port_count { struct { uint8_t DOWN_STR_PORT_COUNT:4; uint8_t RESERVED:2; /*Bits 5:4 = RESERVED. Read all 0s.*/ /*Bit 6 = MSA_TIMING_PAR_IGNORED 0 = Sink device requires the MSA timing parameters 1 = Sink device is capable of rendering incoming video stream without MSA timing parameters*/ uint8_t IGNORE_MSA_TIMING_PARAM:1; /*Bit 7 = OUI Support 0 = OUI not supported 1 = OUI supported (OUI and Device Identification mandatory for DP 1.2)*/ uint8_t OUI_SUPPORT:1; } bits; uint8_t raw; }; union down_spread_ctrl { struct { uint8_t RESERVED1:4;/* Bit 3:0 = RESERVED. Read all 0s*/ /* Bits 4 = SPREAD_AMP. Spreading amplitude 0 = Main link signal is not downspread 1 = Main link signal is downspread <= 0.5% with frequency in the range of 30kHz ~ 33kHz*/ uint8_t SPREAD_AMP:1; uint8_t RESERVED2:2;/*Bit 6:5 = RESERVED. Read all 0s*/ /*Bit 7 = MSA_TIMING_PAR_IGNORE_EN 0 = Source device will send valid data for the MSA Timing Params 1 = Source device may send invalid data for these MSA Timing Params*/ uint8_t IGNORE_MSA_TIMING_PARAM:1; } bits; uint8_t raw; }; union dpcd_edp_config { struct { uint8_t PANEL_MODE_EDP:1; uint8_t FRAMING_CHANGE_ENABLE:1; uint8_t RESERVED:5; uint8_t PANEL_SELF_TEST_ENABLE:1; } bits; uint8_t raw; }; struct dp_device_vendor_id { uint8_t ieee_oui[3];/*24-bit IEEE OUI*/ uint8_t ieee_device_id[6];/*usually 6-byte ASCII name*/ }; struct dp_sink_hw_fw_revision { uint8_t ieee_hw_rev; uint8_t ieee_fw_rev[2]; }; struct dpcd_vendor_signature { bool is_valid; union dpcd_ieee_vendor_signature { struct { uint8_t ieee_oui[3];/*24-bit IEEE OUI*/ uint8_t ieee_device_id[6];/*usually 6-byte ASCII name*/ uint8_t ieee_hw_rev; uint8_t ieee_fw_rev[2]; }; uint8_t raw[12]; } data; }; struct dpcd_amd_signature { uint8_t AMD_IEEE_TxSignature_byte1; uint8_t AMD_IEEE_TxSignature_byte2; uint8_t AMD_IEEE_TxSignature_byte3; uint8_t device_id_byte1; uint8_t device_id_byte2; uint8_t zero[4]; uint8_t dce_version; uint8_t dal_version_byte1; uint8_t dal_version_byte2; }; struct dpcd_source_backlight_set { struct { uint8_t byte0; uint8_t byte1; uint8_t byte2; uint8_t byte3; } backlight_level_millinits; struct { uint8_t byte0; uint8_t byte1; } backlight_transition_time_ms; }; union dpcd_source_backlight_get { struct { uint32_t backlight_millinits_peak; /* 326h */ uint32_t backlight_millinits_avg; /* 32Ah */ } bytes; uint8_t raw[8]; }; /*DPCD register of DP receiver capability field bits-*/ union edp_configuration_cap { struct { uint8_t ALT_SCRAMBLER_RESET:1; uint8_t FRAMING_CHANGE:1; uint8_t RESERVED:1; uint8_t DPCD_DISPLAY_CONTROL_CAPABLE:1; uint8_t RESERVED2:4; } bits; uint8_t raw; }; union dprx_feature { struct { uint8_t GTC_CAP:1; // bit 0: DP 1.3+ uint8_t SST_SPLIT_SDP_CAP:1; // bit 1: DP 1.4 uint8_t AV_SYNC_CAP:1; // bit 2: DP 1.3+ uint8_t VSC_SDP_COLORIMETRY_SUPPORTED:1; // bit 3: DP 1.3+ uint8_t VSC_EXT_VESA_SDP_SUPPORTED:1; // bit 4: DP 1.4 uint8_t VSC_EXT_VESA_SDP_CHAINING_SUPPORTED:1; // bit 5: DP 1.4 uint8_t VSC_EXT_CEA_SDP_SUPPORTED:1; // bit 6: DP 1.4 uint8_t VSC_EXT_CEA_SDP_CHAINING_SUPPORTED:1; // bit 7: DP 1.4 } bits; uint8_t raw; }; union training_aux_rd_interval { struct { uint8_t TRAINIG_AUX_RD_INTERVAL:7; uint8_t EXT_RECEIVER_CAP_FIELD_PRESENT:1; } bits; uint8_t raw; }; /* Automated test structures */ union test_request { struct { uint8_t LINK_TRAINING :1; uint8_t LINK_TEST_PATTRN :1; uint8_t EDID_READ :1; uint8_t PHY_TEST_PATTERN :1; uint8_t RESERVED :1; uint8_t AUDIO_TEST_PATTERN :1; uint8_t TEST_AUDIO_DISABLED_VIDEO :1; } bits; uint8_t raw; }; union test_response { struct { uint8_t ACK :1; uint8_t NO_ACK :1; uint8_t EDID_CHECKSUM_WRITE:1; uint8_t RESERVED :5; } bits; uint8_t raw; }; union phy_test_pattern { struct { /* DpcdPhyTestPatterns. This field is 2 bits for DP1.1 * and 3 bits for DP1.2. */ uint8_t PATTERN :3; /* BY speci, bit7:2 is 0 for DP1.1. */ uint8_t RESERVED :5; } bits; uint8_t raw; }; /* States of Compliance Test Specification (CTS DP1.2). */ union compliance_test_state { struct { unsigned char STEREO_3D_RUNNING : 1; unsigned char RESERVED : 7; } bits; unsigned char raw; }; union link_test_pattern { struct { /* dpcd_link_test_patterns */ unsigned char PATTERN :2; unsigned char RESERVED:6; } bits; unsigned char raw; }; union test_misc { struct dpcd_test_misc_bits { unsigned char SYNC_CLOCK :1; /* dpcd_test_color_format */ unsigned char CLR_FORMAT :2; /* dpcd_test_dyn_range */ unsigned char DYN_RANGE :1; unsigned char YCBCR_COEFS :1; /* dpcd_test_bit_depth */ unsigned char BPC :3; } bits; unsigned char raw; }; union audio_test_mode { struct { unsigned char sampling_rate :4; unsigned char channel_count :4; } bits; unsigned char raw; }; union audio_test_pattern_period { struct { unsigned char pattern_period :4; unsigned char reserved :4; } bits; unsigned char raw; }; struct audio_test_pattern_type { unsigned char value; }; struct dp_audio_test_data_flags { uint8_t test_requested :1; uint8_t disable_video :1; }; struct dp_audio_test_data { struct dp_audio_test_data_flags flags; uint8_t sampling_rate; uint8_t channel_count; uint8_t pattern_type; uint8_t pattern_period[8]; }; /* FEC capability DPCD register field bits-*/ union dpcd_fec_capability { struct { uint8_t FEC_CAPABLE:1; uint8_t UNCORRECTED_BLOCK_ERROR_COUNT_CAPABLE:1; uint8_t CORRECTED_BLOCK_ERROR_COUNT_CAPABLE:1; uint8_t BIT_ERROR_COUNT_CAPABLE:1; uint8_t RESERVED:4; } bits; uint8_t raw; }; /* DSC capability DPCD register field bits-*/ struct dpcd_dsc_support { uint8_t DSC_SUPPORT :1; uint8_t DSC_PASSTHROUGH_SUPPORT :1; uint8_t RESERVED :6; }; struct dpcd_dsc_algorithm_revision { uint8_t DSC_VERSION_MAJOR :4; uint8_t DSC_VERSION_MINOR :4; }; struct dpcd_dsc_rc_buffer_block_size { uint8_t RC_BLOCK_BUFFER_SIZE :2; uint8_t RESERVED :6; }; struct dpcd_dsc_slice_capability1 { uint8_t ONE_SLICE_PER_DP_DSC_SINK_DEVICE :1; uint8_t TWO_SLICES_PER_DP_DSC_SINK_DEVICE :1; uint8_t RESERVED :1; uint8_t FOUR_SLICES_PER_DP_DSC_SINK_DEVICE :1; uint8_t SIX_SLICES_PER_DP_DSC_SINK_DEVICE :1; uint8_t EIGHT_SLICES_PER_DP_DSC_SINK_DEVICE :1; uint8_t TEN_SLICES_PER_DP_DSC_SINK_DEVICE :1; uint8_t TWELVE_SLICES_PER_DP_DSC_SINK_DEVICE :1; }; struct dpcd_dsc_line_buffer_bit_depth { uint8_t LINE_BUFFER_BIT_DEPTH :4; uint8_t RESERVED :4; }; struct dpcd_dsc_block_prediction_support { uint8_t BLOCK_PREDICTION_SUPPORT:1; uint8_t RESERVED :7; }; struct dpcd_maximum_bits_per_pixel_supported_by_the_decompressor { uint8_t MAXIMUM_BITS_PER_PIXEL_SUPPORTED_BY_THE_DECOMPRESSOR_LOW :7; uint8_t MAXIMUM_BITS_PER_PIXEL_SUPPORTED_BY_THE_DECOMPRESSOR_HIGH :7; uint8_t RESERVED :2; }; struct dpcd_dsc_decoder_color_format_capabilities { uint8_t RGB_SUPPORT :1; uint8_t Y_CB_CR_444_SUPPORT :1; uint8_t Y_CB_CR_SIMPLE_422_SUPPORT :1; uint8_t Y_CB_CR_NATIVE_422_SUPPORT :1; uint8_t Y_CB_CR_NATIVE_420_SUPPORT :1; uint8_t RESERVED :3; }; struct dpcd_dsc_decoder_color_depth_capabilities { uint8_t RESERVED0 :1; uint8_t EIGHT_BITS_PER_COLOR_SUPPORT :1; uint8_t TEN_BITS_PER_COLOR_SUPPORT :1; uint8_t TWELVE_BITS_PER_COLOR_SUPPORT :1; uint8_t RESERVED1 :4; }; struct dpcd_peak_dsc_throughput_dsc_sink { uint8_t THROUGHPUT_MODE_0:4; uint8_t THROUGHPUT_MODE_1:4; }; struct dpcd_dsc_slice_capabilities_2 { uint8_t SIXTEEN_SLICES_PER_DSC_SINK_DEVICE :1; uint8_t TWENTY_SLICES_PER_DSC_SINK_DEVICE :1; uint8_t TWENTYFOUR_SLICES_PER_DSC_SINK_DEVICE :1; uint8_t RESERVED :5; }; struct dpcd_bits_per_pixel_increment{ uint8_t INCREMENT_OF_BITS_PER_PIXEL_SUPPORTED :3; uint8_t RESERVED :5; }; union dpcd_dsc_basic_capabilities { struct { struct dpcd_dsc_support dsc_support; struct dpcd_dsc_algorithm_revision dsc_algorithm_revision; struct dpcd_dsc_rc_buffer_block_size dsc_rc_buffer_block_size; uint8_t dsc_rc_buffer_size; struct dpcd_dsc_slice_capability1 dsc_slice_capabilities_1; struct dpcd_dsc_line_buffer_bit_depth dsc_line_buffer_bit_depth; struct dpcd_dsc_block_prediction_support dsc_block_prediction_support; struct dpcd_maximum_bits_per_pixel_supported_by_the_decompressor maximum_bits_per_pixel_supported_by_the_decompressor; struct dpcd_dsc_decoder_color_format_capabilities dsc_decoder_color_format_capabilities; struct dpcd_dsc_decoder_color_depth_capabilities dsc_decoder_color_depth_capabilities; struct dpcd_peak_dsc_throughput_dsc_sink peak_dsc_throughput_dsc_sink; uint8_t dsc_maximum_slice_width; struct dpcd_dsc_slice_capabilities_2 dsc_slice_capabilities_2; uint8_t reserved; struct dpcd_bits_per_pixel_increment bits_per_pixel_increment; } fields; uint8_t raw[16]; }; union dpcd_dsc_ext_capabilities { struct { uint8_t BRANCH_OVERALL_THROUGHPUT_0; uint8_t BRANCH_OVERALL_THROUGHPUT_1; uint8_t BRANCH_MAX_LINE_WIDTH; } fields; uint8_t raw[3]; }; struct dpcd_dsc_capabilities { union dpcd_dsc_basic_capabilities dsc_basic_caps; union dpcd_dsc_ext_capabilities dsc_ext_caps; }; /* These parameters are from PSR capabilities reported by Sink DPCD */ struct psr_caps { unsigned char psr_version; unsigned int psr_rfb_setup_time; bool psr_exit_link_training_required; }; #endif /* DC_DP_TYPES_H */