Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1442 insertions, 0 deletions

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 000000000..cfaa39c5d
--- /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 */