From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/display/dc/dc_dp_types.h | 1442 ++++++++++++++++++++++++++ 1 file changed, 1442 insertions(+) create mode 100644 drivers/gpu/drm/amd/display/dc/dc_dp_types.h (limited to 'drivers/gpu/drm/amd/display/dc/dc_dp_types.h') diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h new file mode 100644 index 0000000000..cfaa39c5dd --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h @@ -0,0 +1,1442 @@ +/* + * 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" +#include "dc_ddc_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_RATE_8 = 0x19, // Rate_8 - 6.75 Gbps/Lane + LINK_RATE_HIGH3 = 0x1E, // Rate_9 (HBR3) - 8.10 Gbps/Lane + /* Starting from DP2.0 link rate enum directly represents actual + * link rate value in unit of 10 mbps + */ + LINK_RATE_UHBR10 = 1000, // UHBR10 - 10.0 Gbps/Lane + LINK_RATE_UHBR13_5 = 1350, // UHBR13.5 - 13.5 Gbps/Lane + LINK_RATE_UHBR20 = 2000, // UHBR20 - 20.0 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_ffe_preset_level { + DP_FFE_PRESET_LEVEL0 = 0, + DP_FFE_PRESET_LEVEL1, + DP_FFE_PRESET_LEVEL2, + DP_FFE_PRESET_LEVEL3, + DP_FFE_PRESET_LEVEL4, + DP_FFE_PRESET_LEVEL5, + DP_FFE_PRESET_LEVEL6, + DP_FFE_PRESET_LEVEL7, + DP_FFE_PRESET_LEVEL8, + DP_FFE_PRESET_LEVEL9, + DP_FFE_PRESET_LEVEL10, + DP_FFE_PRESET_LEVEL11, + DP_FFE_PRESET_LEVEL12, + DP_FFE_PRESET_LEVEL13, + DP_FFE_PRESET_LEVEL14, + DP_FFE_PRESET_LEVEL15, + DP_FFE_PRESET_MAX_LEVEL = DP_FFE_PRESET_LEVEL15, +}; + +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, + DP_TRAINING_PATTERN_VIDEOIDLE, + DP_128b_132b_TPS1, + DP_128b_132b_TPS2, + DP_128b_132b_TPS2_CDS, +}; + +enum dp_link_encoding { + DP_UNKNOWN_ENCODING = 0, + DP_8b_10b_ENCODING = 1, + DP_128b_132b_ENCODING = 2, +}; + +enum dp_test_link_rate { + DP_TEST_LINK_RATE_RBR = 0x06, + DP_TEST_LINK_RATE_HBR = 0x0A, + DP_TEST_LINK_RATE_HBR2 = 0x14, + DP_TEST_LINK_RATE_HBR3 = 0x1E, + DP_TEST_LINK_RATE_UHBR10 = 0x01, + DP_TEST_LINK_RATE_UHBR20 = 0x02, + DP_TEST_LINK_RATE_UHBR13_5 = 0x03, +}; + +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; +}; + +union dc_dp_ffe_preset { + struct { + uint8_t level : 4; + uint8_t reserved : 1; + uint8_t no_preshoot : 1; + uint8_t no_deemphasis : 1; + uint8_t method2 : 1; + } settings; + uint8_t raw; +}; + +struct dc_lane_settings { + enum dc_voltage_swing VOLTAGE_SWING; + enum dc_pre_emphasis PRE_EMPHASIS; + enum dc_post_cursor2 POST_CURSOR2; + union dc_dp_ffe_preset FFE_PRESET; +}; + +struct dc_link_training_overrides { + enum dc_voltage_swing *voltage_swing; + enum dc_pre_emphasis *pre_emphasis; + enum dc_post_cursor2 *post_cursor2; + union dc_dp_ffe_preset *ffe_preset; + + uint16_t *cr_pattern_time; + uint16_t *eq_pattern_time; + enum dc_dp_training_pattern *pattern_for_cr; + 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 payload_table_update_status { + struct { + uint8_t VC_PAYLOAD_TABLE_UPDATED:1; + uint8_t ACT_HANDLED:1; + } bits; + uint8_t raw; +}; + +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 EQ_INTERLANE_ALIGN_DONE_128b_132b:1; + uint8_t CDS_INTERLANE_ALIGN_DONE_128b_132b:1; + uint8_t LT_FAILED_128b_132b:1; + uint8_t RESERVED:1; + 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; + struct { + uint8_t PRESET_VALUE :4; + uint8_t RESERVED :4; + } tx_ffe; + 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; + struct { + uint8_t PRESET_VALUE :4; + uint8_t RESERVED :4; + } tx_ffe; + 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 MAX_ENCODED_LINK_BW_SUPPORT:3; + uint8_t SOURCE_CONTROL_MODE_SUPPORT:1; + uint8_t CONCURRENT_LINK_BRING_UP_SEQ_SUPPORT:1; + uint8_t RESERVED:1; + } 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; +}; + +union hdmi_sink_encoded_link_bw_support { + struct { + uint8_t HDMI_SINK_ENCODED_LINK_BW_SUPPORT:3; + uint8_t RESERVED:5; + } bits; + uint8_t raw; +}; + +union hdmi_encoded_link_bw { + struct { + uint8_t FRL_MODE:1; // Bit 0 + uint8_t BW_9Gbps:1; + uint8_t BW_18Gbps:1; + uint8_t BW_24Gbps:1; + uint8_t BW_32Gbps:1; + uint8_t BW_40Gbps:1; + uint8_t BW_48Gbps:1; + uint8_t RESERVED:1; // Bit 7 + } 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 RESERVED2:1;/*Bit 5 = RESERVED. Read all 0s*/ + /* Bit 6 = FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE. + 0 = FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE is not enabled by the Source device (default) + 1 = FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE is enabled by Source device */ + uint8_t FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE:1; + /*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; +}; + +struct dpcd_amd_device_id { + 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 target_luminance_value { + uint8_t byte0; + uint8_t byte1; + uint8_t 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 PHY_TEST_CHANNEL_CODING_TYPE :2; + 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 { + /* This field is 7 bits for DP2.0 */ + uint8_t PATTERN :7; + uint8_t RESERVED :1; + } 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 PARITY_BLOCK_ERROR_COUNT_CAPABLE:1; + uint8_t ARITY_BIT_ERROR_COUNT_CAPABLE:1; + uint8_t FEC_RUNNING_INDICATOR_SUPPORTED:1; + uint8_t FEC_ERROR_REPORTING_POLICY_SUPPORTED:1; + } 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_branch_decoder_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_branch_decoder_capabilities dsc_branch_decoder_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; + unsigned char edp_revision; + unsigned char support_ver; + bool su_granularity_required; + bool y_coordinate_required; + uint8_t su_y_granularity; + bool alpm_cap; + bool standby_support; + uint8_t rate_control_caps; + unsigned int psr_power_opt_flag; +}; + +union dpcd_dprx_feature_enumeration_list_cont_1 { + struct { + uint8_t ADAPTIVE_SYNC_SDP_SUPPORT:1; + uint8_t AS_SDP_FIRST_HALF_LINE_OR_3840_PIXEL_CYCLE_WINDOW_NOT_SUPPORTED: 1; + uint8_t RESERVED0: 2; + uint8_t VSC_EXT_SDP_VER1_SUPPORT: 1; + uint8_t RESERVED1: 3; + } bits; + uint8_t raw; +}; + +struct adaptive_sync_caps { + union dpcd_dprx_feature_enumeration_list_cont_1 dp_adap_sync_caps; +}; + +/* Length of router topology ID read from DPCD in bytes. */ +#define DPCD_USB4_TOPOLOGY_ID_LEN 5 + +/* DPCD[0xE000D] DP_TUNNELING_CAPABILITIES SUPPORT register. */ +union dp_tun_cap_support { + struct { + uint8_t dp_tunneling :1; + uint8_t rsvd :5; + uint8_t panel_replay_tun_opt :1; + uint8_t dpia_bw_alloc :1; + } bits; + uint8_t raw; +}; + +/* DPCD[0xE000E] DP_IN_ADAPTER_INFO register. */ +union dpia_info { + struct { + uint8_t dpia_num :5; + uint8_t rsvd :3; + } bits; + uint8_t raw; +}; + +/* DP Tunneling over USB4 */ +struct dpcd_usb4_dp_tunneling_info { + union dp_tun_cap_support dp_tun_cap; + union dpia_info dpia_info; + uint8_t usb4_driver_id; + uint8_t usb4_topology_id[DPCD_USB4_TOPOLOGY_ID_LEN]; +}; + +#ifndef DP_MAIN_LINK_CHANNEL_CODING_CAP +#define DP_MAIN_LINK_CHANNEL_CODING_CAP 0x006 +#endif +#ifndef DP_SINK_VIDEO_FALLBACK_FORMATS +#define DP_SINK_VIDEO_FALLBACK_FORMATS 0x020 +#endif +#ifndef DP_FEC_CAPABILITY_1 +#define DP_FEC_CAPABILITY_1 0x091 +#endif +#ifndef DP_DFP_CAPABILITY_EXTENSION_SUPPORT +#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0A3 +#endif +#ifndef DP_DSC_CONFIGURATION +#define DP_DSC_CONFIGURATION 0x161 +#endif +#ifndef DP_PHY_SQUARE_PATTERN +#define DP_PHY_SQUARE_PATTERN 0x249 +#endif +#ifndef DP_128b_132b_SUPPORTED_LINK_RATES +#define DP_128b_132b_SUPPORTED_LINK_RATES 0x2215 +#endif +#ifndef DP_128b_132b_TRAINING_AUX_RD_INTERVAL +#define DP_128b_132b_TRAINING_AUX_RD_INTERVAL 0x2216 +#endif +#ifndef DP_TEST_264BIT_CUSTOM_PATTERN_7_0 +#define DP_TEST_264BIT_CUSTOM_PATTERN_7_0 0X2230 +#endif +#ifndef DP_TEST_264BIT_CUSTOM_PATTERN_263_256 +#define DP_TEST_264BIT_CUSTOM_PATTERN_263_256 0X2250 +#endif +#ifndef DP_DSC_SUPPORT_AND_DECODER_COUNT +#define DP_DSC_SUPPORT_AND_DECODER_COUNT 0x2260 +#endif +#ifndef DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0 +#define DP_DSC_MAX_SLICE_COUNT_AND_AGGREGATION_0 0x2270 +#endif +#ifndef DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK +#define DP_DSC_DECODER_0_MAXIMUM_SLICE_COUNT_MASK (1 << 0) +#endif +#ifndef DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK +#define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_MASK (0b111 << 1) +#endif +#ifndef DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT +#define DP_DSC_DECODER_0_AGGREGATION_SUPPORT_SHIFT 1 +#endif +#ifndef DP_DSC_DECODER_COUNT_MASK +#define DP_DSC_DECODER_COUNT_MASK (0b111 << 5) +#endif +#ifndef DP_DSC_DECODER_COUNT_SHIFT +#define DP_DSC_DECODER_COUNT_SHIFT 5 +#endif +#ifndef DP_MAIN_LINK_CHANNEL_CODING_SET +#define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108 +#endif +#ifndef DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER +#define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER 0xF0006 +#endif +#ifndef DP_PHY_REPEATER_128b_132b_RATES +#define DP_PHY_REPEATER_128b_132b_RATES 0xF0007 +#endif +#ifndef DP_128b_132b_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 +#define DP_128b_132b_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1 0xF0022 +#endif +#ifndef DP_INTRA_HOP_AUX_REPLY_INDICATION +#define DP_INTRA_HOP_AUX_REPLY_INDICATION (1 << 3) +/* TODO - Use DRM header to replace above once available */ +#endif // DP_INTRA_HOP_AUX_REPLY_INDICATION +union dp_main_line_channel_coding_cap { + struct { + uint8_t DP_8b_10b_SUPPORTED :1; + uint8_t DP_128b_132b_SUPPORTED :1; + uint8_t RESERVED :6; + } bits; + uint8_t raw; +}; + +union dp_main_link_channel_coding_lttpr_cap { + struct { + uint8_t DP_128b_132b_SUPPORTED :1; + uint8_t RESERVED :7; + } bits; + uint8_t raw; +}; + +union dp_128b_132b_supported_link_rates { + struct { + uint8_t UHBR10 :1; + uint8_t UHBR20 :1; + uint8_t UHBR13_5:1; + uint8_t RESERVED:5; + } bits; + uint8_t raw; +}; + +union dp_128b_132b_supported_lttpr_link_rates { + struct { + uint8_t UHBR10 :1; + uint8_t UHBR20 :1; + uint8_t UHBR13_5:1; + uint8_t RESERVED:5; + } bits; + uint8_t raw; +}; + +union dp_sink_video_fallback_formats { + struct { + uint8_t dp_1024x768_60Hz_24bpp_support :1; + uint8_t dp_1280x720_60Hz_24bpp_support :1; + uint8_t dp_1920x1080_60Hz_24bpp_support :1; + uint8_t RESERVED :5; + } bits; + uint8_t raw; +}; + +union dp_fec_capability1 { + struct { + uint8_t AGGREGATED_ERROR_COUNTERS_CAPABLE :1; + uint8_t RESERVED :7; + } bits; + uint8_t raw; +}; + +union dp_cable_id { + struct { + uint8_t UHBR10_20_CAPABILITY :2; + uint8_t UHBR13_5_CAPABILITY :1; + uint8_t CABLE_TYPE :3; + uint8_t RESERVED :2; + } bits; + uint8_t raw; +}; + +struct dp_color_depth_caps { + uint8_t support_6bpc :1; + uint8_t support_8bpc :1; + uint8_t support_10bpc :1; + uint8_t support_12bpc :1; + uint8_t support_16bpc :1; + uint8_t RESERVED :3; +}; + +struct dp_encoding_format_caps { + uint8_t support_rgb :1; + uint8_t support_ycbcr444:1; + uint8_t support_ycbcr422:1; + uint8_t support_ycbcr420:1; + uint8_t RESERVED :4; +}; + +union dp_dfp_cap_ext { + struct { + uint8_t supported; + uint8_t max_pixel_rate_in_mps[2]; + uint8_t max_video_h_active_width[2]; + uint8_t max_video_v_active_height[2]; + struct dp_encoding_format_caps encoding_format_caps; + struct dp_color_depth_caps rgb_color_depth_caps; + struct dp_color_depth_caps ycbcr444_color_depth_caps; + struct dp_color_depth_caps ycbcr422_color_depth_caps; + struct dp_color_depth_caps ycbcr420_color_depth_caps; + } fields; + uint8_t raw[12]; +}; + +union dp_128b_132b_training_aux_rd_interval { + struct { + uint8_t VALUE :7; + uint8_t UNIT :1; + } bits; + uint8_t raw; +}; + +union edp_alpm_caps { + struct { + uint8_t AUX_WAKE_ALPM_CAP :1; + uint8_t PM_STATE_2A_SUPPORT :1; + uint8_t AUX_LESS_ALPM_CAP :1; + uint8_t RESERVED :5; + } bits; + uint8_t raw; +}; + +union edp_psr_dpcd_caps { + struct { + uint8_t LINK_TRAINING_ON_EXIT_NOT_REQUIRED :1; + uint8_t PSR_SETUP_TIME :3; + uint8_t Y_COORDINATE_REQUIRED :1; + uint8_t SU_GRANULARITY_REQUIRED :1; + uint8_t FRAME_SYNC_IS_NOT_NEEDED_FOR_SU :1; + uint8_t RESERVED :1; + } bits; + uint8_t raw; +}; + +struct edp_psr_info { + uint8_t psr_version; + union edp_psr_dpcd_caps psr_dpcd_caps; + uint8_t psr2_su_y_granularity_cap; + uint8_t force_psrsu_cap; +}; + +struct replay_info { + uint8_t pixel_deviation_per_line; + uint8_t max_deviation_line; +}; + +struct dprx_states { + bool cable_id_written; +}; + +enum dpcd_downstream_port_max_bpc { + DOWN_STREAM_MAX_8BPC = 0, + DOWN_STREAM_MAX_10BPC, + DOWN_STREAM_MAX_12BPC, + DOWN_STREAM_MAX_16BPC +}; + +enum link_training_offset { + DPRX = 0, + LTTPR_PHY_REPEATER1 = 1, + LTTPR_PHY_REPEATER2 = 2, + LTTPR_PHY_REPEATER3 = 3, + LTTPR_PHY_REPEATER4 = 4, + LTTPR_PHY_REPEATER5 = 5, + LTTPR_PHY_REPEATER6 = 6, + LTTPR_PHY_REPEATER7 = 7, + LTTPR_PHY_REPEATER8 = 8 +}; + +#define MAX_REPEATER_CNT 8 + +struct dc_lttpr_caps { + union dpcd_rev revision; + uint8_t mode; + uint8_t max_lane_count; + uint8_t max_link_rate; + uint8_t phy_repeater_cnt; + uint8_t max_ext_timeout; + union dp_main_link_channel_coding_lttpr_cap main_link_channel_coding; + union dp_128b_132b_supported_lttpr_link_rates supported_128b_132b_rates; + uint8_t aux_rd_interval[MAX_REPEATER_CNT - 1]; +}; + +struct dc_dongle_dfp_cap_ext { + bool supported; + uint16_t max_pixel_rate_in_mps; + uint16_t max_video_h_active_width; + uint16_t max_video_v_active_height; + struct dp_encoding_format_caps encoding_format_caps; + struct dp_color_depth_caps rgb_color_depth_caps; + struct dp_color_depth_caps ycbcr444_color_depth_caps; + struct dp_color_depth_caps ycbcr422_color_depth_caps; + struct dp_color_depth_caps ycbcr420_color_depth_caps; +}; + +struct dc_dongle_caps { + /* dongle type (DP converter, CV smart dongle) */ + enum display_dongle_type dongle_type; + bool extendedCapValid; + /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER, + indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/ + bool is_dp_hdmi_s3d_converter; + bool is_dp_hdmi_ycbcr422_pass_through; + bool is_dp_hdmi_ycbcr420_pass_through; + bool is_dp_hdmi_ycbcr422_converter; + bool is_dp_hdmi_ycbcr420_converter; + uint32_t dp_hdmi_max_bpc; + uint32_t dp_hdmi_max_pixel_clk_in_khz; + uint32_t dp_hdmi_frl_max_link_bw_in_kbps; + struct dc_dongle_dfp_cap_ext dfp_cap_ext; +}; + +struct dpcd_caps { + union dpcd_rev dpcd_rev; + union max_lane_count max_ln_count; + union max_down_spread max_down_spread; + union dprx_feature dprx_feature; + + /* valid only for eDP v1.4 or higher*/ + uint8_t edp_supported_link_rates_count; + enum dc_link_rate edp_supported_link_rates[8]; + + /* dongle type (DP converter, CV smart dongle) */ + enum display_dongle_type dongle_type; + bool is_dongle_type_one; + /* branch device or sink device */ + bool is_branch_dev; + /* Dongle's downstream count. */ + union sink_count sink_count; + bool is_mst_capable; + /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER, + indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/ + struct dc_dongle_caps dongle_caps; + + uint32_t sink_dev_id; + int8_t sink_dev_id_str[6]; + int8_t sink_hw_revision; + int8_t sink_fw_revision[2]; + + uint32_t branch_dev_id; + int8_t branch_dev_name[6]; + int8_t branch_hw_revision; + int8_t branch_fw_revision[2]; + + bool allow_invalid_MSA_timing_param; + bool panel_mode_edp; + bool dpcd_display_control_capable; + bool ext_receiver_cap_field_present; + bool set_power_state_capable_edp; + bool dynamic_backlight_capable_edp; + union dpcd_fec_capability fec_cap; + struct dpcd_dsc_capabilities dsc_caps; + struct dc_lttpr_caps lttpr_caps; + struct adaptive_sync_caps adaptive_sync_caps; + struct dpcd_usb4_dp_tunneling_info usb4_dp_tun_info; + + union dp_128b_132b_supported_link_rates dp_128b_132b_supported_link_rates; + union dp_main_line_channel_coding_cap channel_coding_cap; + union dp_sink_video_fallback_formats fallback_formats; + union dp_fec_capability1 fec_cap1; + bool panel_luminance_control; + union dp_cable_id cable_id; + uint8_t edp_rev; + union edp_alpm_caps alpm_caps; + struct edp_psr_info psr_info; + + struct replay_info pr_info; +}; + +union dpcd_sink_ext_caps { + struct { + /* 0 - Sink supports backlight adjust via PWM during SDR/HDR mode + * 1 - Sink supports backlight adjust via AUX during SDR/HDR mode. + */ + uint8_t sdr_aux_backlight_control : 1; + uint8_t hdr_aux_backlight_control : 1; + uint8_t reserved_1 : 2; + uint8_t oled : 1; + uint8_t reserved_2 : 1; + uint8_t miniled : 1; + uint8_t reserved : 1; + } bits; + uint8_t raw; +}; + +enum dc_link_fec_state { + dc_link_fec_not_ready, + dc_link_fec_ready, + dc_link_fec_enabled +}; + +union dpcd_psr_configuration { + struct { + unsigned char ENABLE : 1; + unsigned char TRANSMITTER_ACTIVE_IN_PSR : 1; + unsigned char CRC_VERIFICATION : 1; + unsigned char FRAME_CAPTURE_INDICATION : 1; + /* For eDP 1.4, PSR v2*/ + unsigned char LINE_CAPTURE_INDICATION : 1; + /* For eDP 1.4, PSR v2*/ + unsigned char IRQ_HPD_WITH_CRC_ERROR : 1; + unsigned char ENABLE_PSR2 : 1; + unsigned char EARLY_TRANSPORT_ENABLE : 1; + } bits; + unsigned char raw; +}; + +union replay_enable_and_configuration { + struct { + unsigned char FREESYNC_PANEL_REPLAY_MODE :1; + unsigned char TIMING_DESYNC_ERROR_VERIFICATION :1; + unsigned char STATE_TRANSITION_ERROR_DETECTION :1; + unsigned char RESERVED0 :1; + unsigned char RESERVED1 :4; + } bits; + unsigned char raw; +}; + +union dpcd_replay_configuration { + struct { + unsigned char STATE_TRANSITION_ERROR_STATUS : 1; + unsigned char DESYNC_ERROR_STATUS : 1; + unsigned char SINK_DEVICE_REPLAY_STATUS : 3; + unsigned char SINK_FRAME_LOCKED : 2; + unsigned char RESERVED : 1; + } bits; + unsigned char raw; +}; + +union dpcd_alpm_configuration { + struct { + unsigned char ENABLE : 1; + unsigned char IRQ_HPD_ENABLE : 1; + unsigned char RESERVED : 6; + } bits; + unsigned char raw; +}; + +union dpcd_sink_active_vtotal_control_mode { + struct { + unsigned char ENABLE : 1; + unsigned char RESERVED : 7; + } bits; + unsigned char raw; +}; + +union psr_error_status { + struct { + unsigned char LINK_CRC_ERROR :1; + unsigned char RFB_STORAGE_ERROR :1; + unsigned char VSC_SDP_ERROR :1; + unsigned char RESERVED :5; + } bits; + unsigned char raw; +}; + +union psr_sink_psr_status { + struct { + unsigned char SINK_SELF_REFRESH_STATUS :3; + unsigned char RESERVED :5; + } bits; + unsigned char raw; +}; + +struct edp_trace_power_timestamps { + uint64_t poweroff; + uint64_t poweron; +}; + +struct dp_trace_lt_counts { + unsigned int total; + unsigned int fail; +}; + +enum link_training_result { + LINK_TRAINING_SUCCESS, + LINK_TRAINING_CR_FAIL_LANE0, + LINK_TRAINING_CR_FAIL_LANE1, + LINK_TRAINING_CR_FAIL_LANE23, + /* CR DONE bit is cleared during EQ step */ + LINK_TRAINING_EQ_FAIL_CR, + /* CR DONE bit is cleared but LANE0_CR_DONE is set during EQ step */ + LINK_TRAINING_EQ_FAIL_CR_PARTIAL, + /* other failure during EQ step */ + LINK_TRAINING_EQ_FAIL_EQ, + LINK_TRAINING_LQA_FAIL, + /* one of the CR,EQ or symbol lock is dropped */ + LINK_TRAINING_LINK_LOSS, + /* Abort link training (because sink unplugged) */ + LINK_TRAINING_ABORT, + DP_128b_132b_LT_FAILED, + DP_128b_132b_MAX_LOOP_COUNT_REACHED, + DP_128b_132b_CHANNEL_EQ_DONE_TIMEOUT, + DP_128b_132b_CDS_DONE_TIMEOUT, +}; + +struct dp_trace_lt { + struct dp_trace_lt_counts counts; + struct dp_trace_timestamps { + unsigned long long start; + unsigned long long end; + } timestamps; + enum link_training_result result; + bool is_logged; +}; + +struct dp_trace { + struct dp_trace_lt detect_lt_trace; + struct dp_trace_lt commit_lt_trace; + unsigned int link_loss_count; + bool is_initialized; + struct edp_trace_power_timestamps edp_trace_power_timestamps; +}; + +/* TODO - This is a temporary location for any new DPCD definitions. + * We should move these to drm_dp header. + */ +#ifndef DP_LINK_SQUARE_PATTERN +#define DP_LINK_SQUARE_PATTERN 0x10F +#endif +#ifndef DP_CABLE_ATTRIBUTES_UPDATED_BY_DPRX +#define DP_CABLE_ATTRIBUTES_UPDATED_BY_DPRX 0x2217 +#endif +#ifndef DP_CABLE_ATTRIBUTES_UPDATED_BY_DPTX +#define DP_CABLE_ATTRIBUTES_UPDATED_BY_DPTX 0x110 +#endif +#ifndef DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE +#define DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE 0x50 +#endif +#ifndef DP_TUNNELING_IRQ +#define DP_TUNNELING_IRQ (1 << 5) +#endif +/** USB4 DPCD BW Allocation Registers Chapter 10.7 **/ +#ifndef DP_TUNNELING_CAPABILITIES +#define DP_TUNNELING_CAPABILITIES 0xE000D /* 1.4a */ +#endif +#ifndef USB4_DRIVER_ID +#define USB4_DRIVER_ID 0xE000F /* 1.4a */ +#endif +#ifndef USB4_DRIVER_BW_CAPABILITY +#define USB4_DRIVER_BW_CAPABILITY 0xE0020 /* 1.4a */ +#endif +#ifndef DP_IN_ADAPTER_TUNNEL_INFO +#define DP_IN_ADAPTER_TUNNEL_INFO 0xE0021 /* 1.4a */ +#endif +#ifndef DP_BW_GRANULALITY +#define DP_BW_GRANULALITY 0xE0022 /* 1.4a */ +#endif +#ifndef ESTIMATED_BW +#define ESTIMATED_BW 0xE0023 /* 1.4a */ +#endif +#ifndef ALLOCATED_BW +#define ALLOCATED_BW 0xE0024 /* 1.4a */ +#endif +#ifndef DP_TUNNELING_STATUS +#define DP_TUNNELING_STATUS 0xE0025 /* 1.4a */ +#endif +#ifndef DPTX_BW_ALLOCATION_MODE_CONTROL +#define DPTX_BW_ALLOCATION_MODE_CONTROL 0xE0030 /* 1.4a */ +#endif +#ifndef REQUESTED_BW +#define REQUESTED_BW 0xE0031 /* 1.4a */ +#endif +#endif /* DC_DP_TYPES_H */ -- cgit v1.2.3