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   1/*
   2 * Copyright 2019 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: AMD
  23 *
  24 */
  25
  26#ifndef DMUB_CMD_H
  27#define DMUB_CMD_H
  28
  29#include <asm/byteorder.h>
  30#include <linux/types.h>
  31#include <linux/string.h>
  32#include <linux/delay.h>
  33
  34#include "atomfirmware.h"
  35
  36//<DMUB_TYPES>==================================================================
  37/* Basic type definitions. */
  38
  39#define __forceinline inline
  40
  41/**
  42 * Flag from driver to indicate that ABM should be disabled gradually
  43 * by slowly reversing all backlight programming and pixel compensation.
  44 */
  45#define SET_ABM_PIPE_GRADUALLY_DISABLE           0
  46
  47/**
  48 * Flag from driver to indicate that ABM should be disabled immediately
  49 * and undo all backlight programming and pixel compensation.
  50 */
  51#define SET_ABM_PIPE_IMMEDIATELY_DISABLE         255
  52
  53/**
  54 * Flag from driver to indicate that ABM should be disabled immediately
  55 * and keep the current backlight programming and pixel compensation.
  56 */
  57#define SET_ABM_PIPE_IMMEDIATE_KEEP_GAIN_DISABLE 254
  58
  59/**
  60 * Flag from driver to set the current ABM pipe index or ABM operating level.
  61 */
  62#define SET_ABM_PIPE_NORMAL                      1
  63
  64/**
  65 * Number of ambient light levels in ABM algorithm.
  66 */
  67#define NUM_AMBI_LEVEL                  5
  68
  69/**
  70 * Number of operating/aggression levels in ABM algorithm.
  71 */
  72#define NUM_AGGR_LEVEL                  4
  73
  74/**
  75 * Number of segments in the gamma curve.
  76 */
  77#define NUM_POWER_FN_SEGS               8
  78
  79/**
  80 * Number of segments in the backlight curve.
  81 */
  82#define NUM_BL_CURVE_SEGS               16
  83
  84/**
  85 * Maximum number of segments in ABM ACE curve.
  86 */
  87#define ABM_MAX_NUM_OF_ACE_SEGMENTS         64
  88
  89/**
  90 * Maximum number of bins in ABM histogram.
  91 */
  92#define ABM_MAX_NUM_OF_HG_BINS              64
  93
  94/* Maximum number of SubVP streams */
  95#define DMUB_MAX_SUBVP_STREAMS 2
  96
  97/* Define max FPO streams as 4 for now. Current implementation today
  98 * only supports 1, but could be more in the future. Reduce array
  99 * size to ensure the command size remains less than 64 bytes if
 100 * adding new fields.
 101 */
 102#define DMUB_MAX_FPO_STREAMS 4
 103
 104/* Maximum number of streams on any ASIC. */
 105#define DMUB_MAX_STREAMS 6
 106
 107/* Maximum number of planes on any ASIC. */
 108#define DMUB_MAX_PLANES 6
 109
 110/* Maximum number of phantom planes on any ASIC */
 111#define DMUB_MAX_PHANTOM_PLANES ((DMUB_MAX_PLANES) / 2)
 112
 113/* Trace buffer offset for entry */
 114#define TRACE_BUFFER_ENTRY_OFFSET 16
 115
 116/**
 117 * Maximum number of dirty rects supported by FW.
 118 */
 119#define DMUB_MAX_DIRTY_RECTS 3
 120
 121/**
 122 *
 123 * PSR control version legacy
 124 */
 125#define DMUB_CMD_PSR_CONTROL_VERSION_UNKNOWN 0x0
 126/**
 127 * PSR control version with multi edp support
 128 */
 129#define DMUB_CMD_PSR_CONTROL_VERSION_1 0x1
 130
 131
 132/**
 133 * ABM control version legacy
 134 */
 135#define DMUB_CMD_ABM_CONTROL_VERSION_UNKNOWN 0x0
 136
 137/**
 138 * ABM control version with multi edp support
 139 */
 140#define DMUB_CMD_ABM_CONTROL_VERSION_1 0x1
 141
 142/**
 143 * Physical framebuffer address location, 64-bit.
 144 */
 145#ifndef PHYSICAL_ADDRESS_LOC
 146#define PHYSICAL_ADDRESS_LOC union large_integer
 147#endif
 148
 149/**
 150 * OS/FW agnostic memcpy
 151 */
 152#ifndef dmub_memcpy
 153#define dmub_memcpy(dest, source, bytes) memcpy((dest), (source), (bytes))
 154#endif
 155
 156/**
 157 * OS/FW agnostic memset
 158 */
 159#ifndef dmub_memset
 160#define dmub_memset(dest, val, bytes) memset((dest), (val), (bytes))
 161#endif
 162
 163/**
 164 * OS/FW agnostic udelay
 165 */
 166#ifndef dmub_udelay
 167#define dmub_udelay(microseconds) udelay(microseconds)
 168#endif
 169
 170#pragma pack(push, 1)
 171#define ABM_NUM_OF_ACE_SEGMENTS         5
 172
 173/**
 174 * Debug FW state offset
 175 */
 176#define DMUB_DEBUG_FW_STATE_OFFSET 0x300
 177
 178union abm_flags {
 179	struct {
 180		/**
 181		 * @abm_enabled: Indicates if ABM is enabled.
 182		 */
 183		unsigned int abm_enabled : 1;
 184
 185		/**
 186		 * @disable_abm_requested: Indicates if driver has requested ABM to be disabled.
 187		 */
 188		unsigned int disable_abm_requested : 1;
 189
 190		/**
 191		 * @disable_abm_immediately: Indicates if driver has requested ABM to be disabled immediately.
 192		 */
 193		unsigned int disable_abm_immediately : 1;
 194
 195		/**
 196		 * @disable_abm_immediate_keep_gain: Indicates if driver has requested ABM
 197		 * to be disabled immediately and keep gain.
 198		 */
 199		unsigned int disable_abm_immediate_keep_gain : 1;
 200
 201		/**
 202		 * @fractional_pwm: Indicates if fractional duty cycle for backlight PWM is enabled.
 203		 */
 204		unsigned int fractional_pwm : 1;
 205
 206		/**
 207		 * @abm_gradual_bl_change: Indicates if algorithm has completed gradual adjustment
 208		 * of user backlight level.
 209		 */
 210		unsigned int abm_gradual_bl_change : 1;
 211
 212		/**
 213		 * @abm_new_frame: Indicates if a new frame update needed for ABM to ramp up into steady
 214		 */
 215		unsigned int abm_new_frame : 1;
 216
 217		/**
 218		 * @vb_scaling_enabled: Indicates variBright Scaling Enable
 219		 */
 220		unsigned int vb_scaling_enabled : 1;
 221	} bitfields;
 222
 223	unsigned int u32All;
 224};
 225
 226struct abm_save_restore {
 227	/**
 228	 * @flags: Misc. ABM flags.
 229	 */
 230	union abm_flags flags;
 231
 232	/**
 233	 * @pause: true:  pause ABM and get state
 234	 *         false: unpause ABM after setting state
 235	 */
 236	uint32_t pause;
 237
 238	/**
 239	 * @next_ace_slope: Next ACE slopes to be programmed in HW (u3.13)
 240	 */
 241	uint32_t next_ace_slope[ABM_NUM_OF_ACE_SEGMENTS];
 242
 243	/**
 244	 * @next_ace_thresh: Next ACE thresholds to be programmed in HW (u10.6)
 245	 */
 246	uint32_t next_ace_thresh[ABM_NUM_OF_ACE_SEGMENTS];
 247
 248	/**
 249	 * @next_ace_offset: Next ACE offsets to be programmed in HW (u10.6)
 250	 */
 251	uint32_t next_ace_offset[ABM_NUM_OF_ACE_SEGMENTS];
 252
 253
 254	/**
 255	 * @knee_threshold: Current x-position of ACE knee (u0.16).
 256	 */
 257	uint32_t knee_threshold;
 258	/**
 259	 * @current_gain: Current backlight reduction (u16.16).
 260	 */
 261	uint32_t current_gain;
 262	/**
 263	 * @curr_bl_level: Current actual backlight level converging to target backlight level.
 264	 */
 265	uint16_t curr_bl_level;
 266
 267	/**
 268	 * @curr_user_bl_level: Current nominal backlight level converging to level requested by user.
 269	 */
 270	uint16_t curr_user_bl_level;
 271
 272};
 273
 274/**
 275 * union dmub_addr - DMUB physical/virtual 64-bit address.
 276 */
 277union dmub_addr {
 278	struct {
 279		uint32_t low_part; /**< Lower 32 bits */
 280		uint32_t high_part; /**< Upper 32 bits */
 281	} u; /*<< Low/high bit access */
 282	uint64_t quad_part; /*<< 64 bit address */
 283};
 284#pragma pack(pop)
 285
 286/**
 287 * Dirty rect definition.
 288 */
 289struct dmub_rect {
 290	/**
 291	 * Dirty rect x offset.
 292	 */
 293	uint32_t x;
 294
 295	/**
 296	 * Dirty rect y offset.
 297	 */
 298	uint32_t y;
 299
 300	/**
 301	 * Dirty rect width.
 302	 */
 303	uint32_t width;
 304
 305	/**
 306	 * Dirty rect height.
 307	 */
 308	uint32_t height;
 309};
 310
 311/**
 312 * Flags that can be set by driver to change some PSR behaviour.
 313 */
 314union dmub_psr_debug_flags {
 315	/**
 316	 * Debug flags.
 317	 */
 318	struct {
 319		/**
 320		 * Enable visual confirm in FW.
 321		 */
 322		uint32_t visual_confirm : 1;
 323
 324		/**
 325		 * Force all selective updates to bw full frame updates.
 326		 */
 327		uint32_t force_full_frame_update : 1;
 328
 329		/**
 330		 * Use HW Lock Mgr object to do HW locking in FW.
 331		 */
 332		uint32_t use_hw_lock_mgr : 1;
 333
 334		/**
 335		 * Use TPS3 signal when restore main link.
 336		 */
 337		uint32_t force_wakeup_by_tps3 : 1;
 338
 339		/**
 340		 * Back to back flip, therefore cannot power down PHY
 341		 */
 342		uint32_t back_to_back_flip : 1;
 343
 344		/**
 345		 * Enable visual confirm for IPS
 346		 */
 347		uint32_t enable_ips_visual_confirm : 1;
 348	} bitfields;
 349
 350	/**
 351	 * Union for debug flags.
 352	 */
 353	uint32_t u32All;
 354};
 355
 356/**
 357 * Flags that can be set by driver to change some Replay behaviour.
 358 */
 359union replay_debug_flags {
 360	struct {
 361		/**
 362		 * 0x1 (bit 0)
 363		 * Enable visual confirm in FW.
 364		 */
 365		uint32_t visual_confirm : 1;
 366
 367		/**
 368		 * 0x2 (bit 1)
 369		 * @skip_crc: Set if need to skip CRC.
 370		 */
 371		uint32_t skip_crc : 1;
 372
 373		/**
 374		 * 0x4 (bit 2)
 375		 * @force_link_power_on: Force disable ALPM control
 376		 */
 377		uint32_t force_link_power_on : 1;
 378
 379		/**
 380		 * 0x8 (bit 3)
 381		 * @force_phy_power_on: Force phy power on
 382		 */
 383		uint32_t force_phy_power_on : 1;
 384
 385		/**
 386		 * 0x10 (bit 4)
 387		 * @timing_resync_disabled: Disabled Replay normal sleep mode timing resync
 388		 */
 389		uint32_t timing_resync_disabled : 1;
 390
 391		/**
 392		 * 0x20 (bit 5)
 393		 * @skip_crtc_disabled: CRTC disable skipped
 394		 */
 395		uint32_t skip_crtc_disabled : 1;
 396
 397		/**
 398		 * 0x40 (bit 6)
 399		 * @force_defer_one_frame_update: Force defer one frame update in ultra sleep mode
 400		 */
 401		uint32_t force_defer_one_frame_update : 1;
 402
 403		/**
 404		 * 0x80 (bit 7)
 405		 * @disable_delay_alpm_on: Force disable delay alpm on
 406		 */
 407		uint32_t disable_delay_alpm_on : 1;
 408
 409		/**
 410		 * 0x100 (bit 8)
 411		 * @disable_desync_error_check: Force disable desync error check
 412		 */
 413		uint32_t disable_desync_error_check : 1;
 414
 415		/**
 416		 * 0x200 (bit 9)
 417		 * @force_self_update_when_abm_non_steady: Force self update if abm is not steady
 418		 */
 419		uint32_t force_self_update_when_abm_non_steady : 1;
 420
 421		/**
 422		 * 0x400 (bit 10)
 423		 * @enable_ips_visual_confirm: Enable IPS visual confirm when entering IPS
 424		 * If we enter IPS2, the Visual confirm bar will change to yellow
 425		 */
 426		uint32_t enable_ips_visual_confirm : 1;
 427
 428		/**
 429		 * 0x800 (bit 11)
 430		 * @enable_ips_residency_profiling: Enable IPS residency profiling
 431		 */
 432		uint32_t enable_ips_residency_profiling : 1;
 433
 434		uint32_t reserved : 20;
 435	} bitfields;
 436
 437	uint32_t u32All;
 438};
 439
 440union replay_hw_flags {
 441	struct {
 442		/**
 443		 * @allow_alpm_fw_standby_mode: To indicate whether the
 444		 * ALPM FW standby mode is allowed
 445		 */
 446		uint32_t allow_alpm_fw_standby_mode : 1;
 447
 448		/*
 449		 * @dsc_enable_status: DSC enable status in driver
 450		 */
 451		uint32_t dsc_enable_status : 1;
 452
 453		/**
 454		 * @fec_enable_status: receive fec enable/disable status from driver
 455		 */
 456		uint32_t fec_enable_status : 1;
 457
 458		/*
 459		 * @smu_optimizations_en: SMU power optimization.
 460		 * Only when active display is Replay capable and display enters Replay.
 461		 * Trigger interrupt to SMU to powerup/down.
 462		 */
 463		uint32_t smu_optimizations_en : 1;
 464
 465		/**
 466		 * @phy_power_state: Indicates current phy power state
 467		 */
 468		uint32_t phy_power_state : 1;
 469
 470		/**
 471		 * @link_power_state: Indicates current link power state
 472		 */
 473		uint32_t link_power_state : 1;
 474		/**
 475		 * Use TPS3 signal when restore main link.
 476		 */
 477		uint32_t force_wakeup_by_tps3 : 1;
 478	} bitfields;
 479
 480	uint32_t u32All;
 481};
 482
 483/**
 484 * DMUB feature capabilities.
 485 * After DMUB init, driver will query FW capabilities prior to enabling certain features.
 486 */
 487struct dmub_feature_caps {
 488	/**
 489	 * Max PSR version supported by FW.
 490	 */
 491	uint8_t psr;
 492	uint8_t fw_assisted_mclk_switch_ver;
 493	uint8_t reserved[4];
 494	uint8_t subvp_psr_support;
 495	uint8_t gecc_enable;
 496	uint8_t replay_supported;
 497	uint8_t replay_reserved[3];
 498	uint8_t abm_aux_backlight_support;
 499};
 500
 501struct dmub_visual_confirm_color {
 502	/**
 503	 * Maximum 10 bits color value
 504	 */
 505	uint16_t color_r_cr;
 506	uint16_t color_g_y;
 507	uint16_t color_b_cb;
 508	uint16_t panel_inst;
 509};
 510
 511//==============================================================================
 512//</DMUB_TYPES>=================================================================
 513//==============================================================================
 514//< DMUB_META>==================================================================
 515//==============================================================================
 516#pragma pack(push, 1)
 517
 518/* Magic value for identifying dmub_fw_meta_info */
 519#define DMUB_FW_META_MAGIC 0x444D5542
 520
 521/* Offset from the end of the file to the dmub_fw_meta_info */
 522#define DMUB_FW_META_OFFSET 0x24
 523
 524/**
 525 * union dmub_fw_meta_feature_bits - Static feature bits for pre-initialization
 526 */
 527union dmub_fw_meta_feature_bits {
 528	struct {
 529		uint32_t shared_state_link_detection : 1; /**< 1 supports link detection via shared state */
 530		uint32_t reserved : 31;
 531	} bits; /**< status bits */
 532	uint32_t all; /**< 32-bit access to status bits */
 533};
 534
 535/**
 536 * struct dmub_fw_meta_info - metadata associated with fw binary
 537 *
 538 * NOTE: This should be considered a stable API. Fields should
 539 *       not be repurposed or reordered. New fields should be
 540 *       added instead to extend the structure.
 541 *
 542 * @magic_value: magic value identifying DMUB firmware meta info
 543 * @fw_region_size: size of the firmware state region
 544 * @trace_buffer_size: size of the tracebuffer region
 545 * @fw_version: the firmware version information
 546 * @dal_fw: 1 if the firmware is DAL
 547 * @shared_state_size: size of the shared state region in bytes
 548 * @shared_state_features: number of shared state features
 549 */
 550struct dmub_fw_meta_info {
 551	uint32_t magic_value; /**< magic value identifying DMUB firmware meta info */
 552	uint32_t fw_region_size; /**< size of the firmware state region */
 553	uint32_t trace_buffer_size; /**< size of the tracebuffer region */
 554	uint32_t fw_version; /**< the firmware version information */
 555	uint8_t dal_fw; /**< 1 if the firmware is DAL */
 556	uint8_t reserved[3]; /**< padding bits */
 557	uint32_t shared_state_size; /**< size of the shared state region in bytes */
 558	uint16_t shared_state_features; /**< number of shared state features */
 559	uint16_t reserved2; /**< padding bytes */
 560	union dmub_fw_meta_feature_bits feature_bits; /**< static feature bits */
 561};
 562
 563/**
 564 * union dmub_fw_meta - ensures that dmub_fw_meta_info remains 64 bytes
 565 */
 566union dmub_fw_meta {
 567	struct dmub_fw_meta_info info; /**< metadata info */
 568	uint8_t reserved[64]; /**< padding bits */
 569};
 570
 571#pragma pack(pop)
 572
 573//==============================================================================
 574//< DMUB Trace Buffer>================================================================
 575//==============================================================================
 576#if !defined(TENSILICA) && !defined(DMUB_TRACE_ENTRY_DEFINED)
 577/**
 578 * dmub_trace_code_t - firmware trace code, 32-bits
 579 */
 580typedef uint32_t dmub_trace_code_t;
 581
 582/**
 583 * struct dmcub_trace_buf_entry - Firmware trace entry
 584 */
 585struct dmcub_trace_buf_entry {
 586	dmub_trace_code_t trace_code; /**< trace code for the event */
 587	uint32_t tick_count; /**< the tick count at time of trace */
 588	uint32_t param0; /**< trace defined parameter 0 */
 589	uint32_t param1; /**< trace defined parameter 1 */
 590};
 591#endif
 592
 593//==============================================================================
 594//< DMUB_STATUS>================================================================
 595//==============================================================================
 596
 597/**
 598 * DMCUB scratch registers can be used to determine firmware status.
 599 * Current scratch register usage is as follows:
 600 *
 601 * SCRATCH0: FW Boot Status register
 602 * SCRATCH5: LVTMA Status Register
 603 * SCRATCH15: FW Boot Options register
 604 */
 605
 606/**
 607 * union dmub_fw_boot_status - Status bit definitions for SCRATCH0.
 608 */
 609union dmub_fw_boot_status {
 610	struct {
 611		uint32_t dal_fw : 1; /**< 1 if DAL FW */
 612		uint32_t mailbox_rdy : 1; /**< 1 if mailbox ready */
 613		uint32_t optimized_init_done : 1; /**< 1 if optimized init done */
 614		uint32_t restore_required : 1; /**< 1 if driver should call restore */
 615		uint32_t defer_load : 1; /**< 1 if VBIOS data is deferred programmed */
 616		uint32_t fams_enabled : 1; /**< 1 if VBIOS data is deferred programmed */
 617		uint32_t detection_required: 1; /**<  if detection need to be triggered by driver */
 618		uint32_t hw_power_init_done: 1; /**< 1 if hw power init is completed */
 619		uint32_t ono_regions_enabled: 1; /**< 1 if ONO regions are enabled */
 620	} bits; /**< status bits */
 621	uint32_t all; /**< 32-bit access to status bits */
 622};
 623
 624/**
 625 * enum dmub_fw_boot_status_bit - Enum bit definitions for SCRATCH0.
 626 */
 627enum dmub_fw_boot_status_bit {
 628	DMUB_FW_BOOT_STATUS_BIT_DAL_FIRMWARE = (1 << 0), /**< 1 if DAL FW */
 629	DMUB_FW_BOOT_STATUS_BIT_MAILBOX_READY = (1 << 1), /**< 1 if mailbox ready */
 630	DMUB_FW_BOOT_STATUS_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if init done */
 631	DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */
 632	DMUB_FW_BOOT_STATUS_BIT_DEFERRED_LOADED = (1 << 4), /**< 1 if VBIOS data is deferred programmed */
 633	DMUB_FW_BOOT_STATUS_BIT_FAMS_ENABLED = (1 << 5), /**< 1 if FAMS is enabled*/
 634	DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED = (1 << 6), /**< 1 if detection need to be triggered by driver*/
 635	DMUB_FW_BOOT_STATUS_BIT_HW_POWER_INIT_DONE = (1 << 7), /**< 1 if hw power init is completed */
 636	DMUB_FW_BOOT_STATUS_BIT_ONO_REGIONS_ENABLED = (1 << 8), /**< 1 if ONO regions are enabled */
 637};
 638
 639/* Register bit definition for SCRATCH5 */
 640union dmub_lvtma_status {
 641	struct {
 642		uint32_t psp_ok : 1;
 643		uint32_t edp_on : 1;
 644		uint32_t reserved : 30;
 645	} bits;
 646	uint32_t all;
 647};
 648
 649enum dmub_lvtma_status_bit {
 650	DMUB_LVTMA_STATUS_BIT_PSP_OK = (1 << 0),
 651	DMUB_LVTMA_STATUS_BIT_EDP_ON = (1 << 1),
 652};
 653
 654enum dmub_ips_disable_type {
 655	DMUB_IPS_ENABLE = 0,
 656	DMUB_IPS_DISABLE_ALL = 1,
 657	DMUB_IPS_DISABLE_IPS1 = 2,
 658	DMUB_IPS_DISABLE_IPS2 = 3,
 659	DMUB_IPS_DISABLE_IPS2_Z10 = 4,
 660	DMUB_IPS_DISABLE_DYNAMIC = 5,
 661	DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF = 6,
 662};
 663
 664#define DMUB_IPS1_ALLOW_MASK 0x00000001
 665#define DMUB_IPS2_ALLOW_MASK 0x00000002
 666#define DMUB_IPS1_COMMIT_MASK 0x00000004
 667#define DMUB_IPS2_COMMIT_MASK 0x00000008
 668
 669/**
 670 * union dmub_fw_boot_options - Boot option definitions for SCRATCH14
 671 */
 672union dmub_fw_boot_options {
 673	struct {
 674		uint32_t pemu_env : 1; /**< 1 if PEMU */
 675		uint32_t fpga_env : 1; /**< 1 if FPGA */
 676		uint32_t optimized_init : 1; /**< 1 if optimized init */
 677		uint32_t skip_phy_access : 1; /**< 1 if PHY access should be skipped */
 678		uint32_t disable_clk_gate: 1; /**< 1 if clock gating should be disabled */
 679		uint32_t skip_phy_init_panel_sequence: 1; /**< 1 to skip panel init seq */
 680		uint32_t z10_disable: 1; /**< 1 to disable z10 */
 681		uint32_t enable_dpia: 1; /**< 1 if DPIA should be enabled */
 682		uint32_t invalid_vbios_data: 1; /**< 1 if VBIOS data table is invalid */
 683		uint32_t dpia_supported: 1; /**< 1 if DPIA is supported on this platform */
 684		uint32_t sel_mux_phy_c_d_phy_f_g: 1; /**< 1 if PHYF/PHYG should be enabled on DCN31 */
 685		/**< 1 if all root clock gating is enabled and low power memory is enabled*/
 686		uint32_t power_optimization: 1;
 687		uint32_t diag_env: 1; /* 1 if diagnostic environment */
 688		uint32_t gpint_scratch8: 1; /* 1 if GPINT is in scratch8*/
 689		uint32_t usb4_cm_version: 1; /**< 1 CM support */
 690		uint32_t dpia_hpd_int_enable_supported: 1; /* 1 if dpia hpd int enable supported */
 691		uint32_t enable_non_transparent_setconfig: 1; /* 1 if dpia use conventional dp lt flow*/
 692		uint32_t disable_clk_ds: 1; /* 1 if disallow dispclk_ds and dppclk_ds*/
 693		uint32_t disable_timeout_recovery : 1; /* 1 if timeout recovery should be disabled */
 694		uint32_t ips_pg_disable: 1; /* 1 to disable ONO domains power gating*/
 695		uint32_t ips_disable: 3; /* options to disable ips support*/
 696		uint32_t ips_sequential_ono: 1; /**< 1 to enable sequential ONO IPS sequence */
 697		uint32_t disable_sldo_opt: 1; /**< 1 to disable SLDO optimizations */
 698		uint32_t lower_hbr3_phy_ssc: 1; /**< 1 to lower hbr3 phy ssc to 0.125 percent */
 699		uint32_t reserved : 6; /**< reserved */
 700	} bits; /**< boot bits */
 701	uint32_t all; /**< 32-bit access to bits */
 702};
 703
 704enum dmub_fw_boot_options_bit {
 705	DMUB_FW_BOOT_OPTION_BIT_PEMU_ENV = (1 << 0), /**< 1 if PEMU */
 706	DMUB_FW_BOOT_OPTION_BIT_FPGA_ENV = (1 << 1), /**< 1 if FPGA */
 707	DMUB_FW_BOOT_OPTION_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if optimized init done */
 708};
 709
 710//==============================================================================
 711//< DMUB_SHARED_STATE>==========================================================
 712//==============================================================================
 713
 714/**
 715 * Shared firmware state between driver and firmware for lockless communication
 716 * in situations where the inbox/outbox may be unavailable.
 717 *
 718 * Each structure *must* be at most 256-bytes in size. The layout allocation is
 719 * described below:
 720 *
 721 * [Header (256 Bytes)][Feature 1 (256 Bytes)][Feature 2 (256 Bytes)]...
 722 */
 723
 724/**
 725 * enum dmub_shared_state_feature_id - List of shared state features.
 726 */
 727enum dmub_shared_state_feature_id {
 728	DMUB_SHARED_SHARE_FEATURE__INVALID = 0,
 729	DMUB_SHARED_SHARE_FEATURE__IPS_FW = 1,
 730	DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER = 2,
 731	DMUB_SHARED_SHARE_FEATURE__DEBUG_SETUP = 3,
 732	DMUB_SHARED_STATE_FEATURE__LAST, /* Total number of features. */
 733};
 734
 735/**
 736 * struct dmub_shared_state_ips_fw - Firmware signals for IPS.
 737 */
 738union dmub_shared_state_ips_fw_signals {
 739	struct {
 740		uint32_t ips1_commit : 1;  /**< 1 if in IPS1 */
 741		uint32_t ips2_commit : 1; /**< 1 if in IPS2 */
 742		uint32_t in_idle : 1; /**< 1 if DMCUB is in idle */
 743		uint32_t detection_required : 1; /**< 1 if detection is required */
 744		uint32_t reserved_bits : 28; /**< Reversed */
 745	} bits;
 746	uint32_t all;
 747};
 748
 749/**
 750 * struct dmub_shared_state_ips_signals - Firmware signals for IPS.
 751 */
 752union dmub_shared_state_ips_driver_signals {
 753	struct {
 754		uint32_t allow_pg : 1; /**< 1 if PG is allowed */
 755		uint32_t allow_ips1 : 1; /**< 1 is IPS1 is allowed */
 756		uint32_t allow_ips2 : 1; /**< 1 is IPS1 is allowed */
 757		uint32_t allow_z10 : 1; /**< 1 if Z10 is allowed */
 758		uint32_t allow_idle: 1; /**< 1 if driver is allowing idle */
 759		uint32_t reserved_bits : 27; /**< Reversed bits */
 760	} bits;
 761	uint32_t all;
 762};
 763
 764/**
 765 * IPS FW Version
 766 */
 767#define DMUB_SHARED_STATE__IPS_FW_VERSION 1
 768
 769struct dmub_shared_state_debug_setup {
 770	union {
 771		struct {
 772			uint32_t exclude_points[62];
 773		} profile_mode;
 774	};
 775};
 776
 777/**
 778 * struct dmub_shared_state_ips_fw - Firmware state for IPS.
 779 */
 780struct dmub_shared_state_ips_fw {
 781	union dmub_shared_state_ips_fw_signals signals; /**< 4 bytes, IPS signal bits */
 782	uint32_t rcg_entry_count; /**< Entry counter for RCG */
 783	uint32_t rcg_exit_count; /**< Exit counter for RCG */
 784	uint32_t ips1_entry_count; /**< Entry counter for IPS1 */
 785	uint32_t ips1_exit_count; /**< Exit counter for IPS1 */
 786	uint32_t ips2_entry_count; /**< Entry counter for IPS2 */
 787	uint32_t ips2_exit_count; /**< Exit counter for IPS2 */
 788	uint32_t reserved[55]; /**< Reversed, to be updated when adding new fields. */
 789}; /* 248-bytes, fixed */
 790
 791/**
 792 * IPS Driver Version
 793 */
 794#define DMUB_SHARED_STATE__IPS_DRIVER_VERSION 1
 795
 796/**
 797 * struct dmub_shared_state_ips_driver - Driver state for IPS.
 798 */
 799struct dmub_shared_state_ips_driver {
 800	union dmub_shared_state_ips_driver_signals signals; /**< 4 bytes, IPS signal bits */
 801	uint32_t reserved[61]; /**< Reversed, to be updated when adding new fields. */
 802}; /* 248-bytes, fixed */
 803
 804/**
 805 * enum dmub_shared_state_feature_common - Generic payload.
 806 */
 807struct dmub_shared_state_feature_common {
 808	uint32_t padding[62];
 809}; /* 248-bytes, fixed */
 810
 811/**
 812 * enum dmub_shared_state_feature_header - Feature description.
 813 */
 814struct dmub_shared_state_feature_header {
 815	uint16_t id; /**< Feature ID */
 816	uint16_t version; /**< Feature version */
 817	uint32_t reserved; /**< Reserved bytes. */
 818}; /* 8 bytes, fixed */
 819
 820/**
 821 * struct dmub_shared_state_feature_block - Feature block.
 822 */
 823struct dmub_shared_state_feature_block {
 824	struct dmub_shared_state_feature_header header; /**< Shared state header. */
 825	union dmub_shared_feature_state_union {
 826		struct dmub_shared_state_feature_common common; /**< Generic data */
 827		struct dmub_shared_state_ips_fw ips_fw; /**< IPS firmware state */
 828		struct dmub_shared_state_ips_driver ips_driver; /**< IPS driver state */
 829		struct dmub_shared_state_debug_setup debug_setup; /**< Debug setup */
 830	} data; /**< Shared state data. */
 831}; /* 256-bytes, fixed */
 832
 833/**
 834 * Shared state size in bytes.
 835 */
 836#define DMUB_FW_HEADER_SHARED_STATE_SIZE \
 837	((DMUB_SHARED_STATE_FEATURE__LAST + 1) * sizeof(struct dmub_shared_state_feature_block))
 838
 839//==============================================================================
 840//</DMUB_STATUS>================================================================
 841//==============================================================================
 842//< DMUB_VBIOS>=================================================================
 843//==============================================================================
 844
 845/*
 846 * enum dmub_cmd_vbios_type - VBIOS commands.
 847 *
 848 * Command IDs should be treated as stable ABI.
 849 * Do not reuse or modify IDs.
 850 */
 851enum dmub_cmd_vbios_type {
 852	/**
 853	 * Configures the DIG encoder.
 854	 */
 855	DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL = 0,
 856	/**
 857	 * Controls the PHY.
 858	 */
 859	DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL = 1,
 860	/**
 861	 * Sets the pixel clock/symbol clock.
 862	 */
 863	DMUB_CMD__VBIOS_SET_PIXEL_CLOCK = 2,
 864	/**
 865	 * Enables or disables power gating.
 866	 */
 867	DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING = 3,
 868	/**
 869	 * Controls embedded panels.
 870	 */
 871	DMUB_CMD__VBIOS_LVTMA_CONTROL = 15,
 872	/**
 873	 * Query DP alt status on a transmitter.
 874	 */
 875	DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT  = 26,
 876	/**
 877	 * Control PHY FSM
 878	 */
 879	DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM  = 29,
 880	/**
 881	 * Controls domain power gating
 882	 */
 883	DMUB_CMD__VBIOS_DOMAIN_CONTROL = 28,
 884};
 885
 886//==============================================================================
 887//</DMUB_VBIOS>=================================================================
 888//==============================================================================
 889//< DMUB_GPINT>=================================================================
 890//==============================================================================
 891
 892/**
 893 * The shifts and masks below may alternatively be used to format and read
 894 * the command register bits.
 895 */
 896
 897#define DMUB_GPINT_DATA_PARAM_MASK 0xFFFF
 898#define DMUB_GPINT_DATA_PARAM_SHIFT 0
 899
 900#define DMUB_GPINT_DATA_COMMAND_CODE_MASK 0xFFF
 901#define DMUB_GPINT_DATA_COMMAND_CODE_SHIFT 16
 902
 903#define DMUB_GPINT_DATA_STATUS_MASK 0xF
 904#define DMUB_GPINT_DATA_STATUS_SHIFT 28
 905
 906/**
 907 * Command responses.
 908 */
 909
 910/**
 911 * Return response for DMUB_GPINT__STOP_FW command.
 912 */
 913#define DMUB_GPINT__STOP_FW_RESPONSE 0xDEADDEAD
 914
 915/**
 916 * union dmub_gpint_data_register - Format for sending a command via the GPINT.
 917 */
 918union dmub_gpint_data_register {
 919	struct {
 920		uint32_t param : 16; /**< 16-bit parameter */
 921		uint32_t command_code : 12; /**< GPINT command */
 922		uint32_t status : 4; /**< Command status bit */
 923	} bits; /**< GPINT bit access */
 924	uint32_t all; /**< GPINT  32-bit access */
 925};
 926
 927/*
 928 * enum dmub_gpint_command - GPINT command to DMCUB FW
 929 *
 930 * Command IDs should be treated as stable ABI.
 931 * Do not reuse or modify IDs.
 932 */
 933enum dmub_gpint_command {
 934	/**
 935	 * Invalid command, ignored.
 936	 */
 937	DMUB_GPINT__INVALID_COMMAND = 0,
 938	/**
 939	 * DESC: Queries the firmware version.
 940	 * RETURN: Firmware version.
 941	 */
 942	DMUB_GPINT__GET_FW_VERSION = 1,
 943	/**
 944	 * DESC: Halts the firmware.
 945	 * RETURN: DMUB_GPINT__STOP_FW_RESPONSE (0xDEADDEAD) when halted
 946	 */
 947	DMUB_GPINT__STOP_FW = 2,
 948	/**
 949	 * DESC: Get PSR state from FW.
 950	 * RETURN: PSR state enum. This enum may need to be converted to the legacy PSR state value.
 951	 */
 952	DMUB_GPINT__GET_PSR_STATE = 7,
 953	/**
 954	 * DESC: Notifies DMCUB of the currently active streams.
 955	 * ARGS: Stream mask, 1 bit per active stream index.
 956	 */
 957	DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK = 8,
 958	/**
 959	 * DESC: Start PSR residency counter. Stop PSR resdiency counter and get value.
 960	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
 961	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
 962	 * RETURN: PSR residency in milli-percent.
 963	 */
 964	DMUB_GPINT__PSR_RESIDENCY = 9,
 965
 966	/**
 967	 * DESC: Notifies DMCUB detection is done so detection required can be cleared.
 968	 */
 969	DMUB_GPINT__NOTIFY_DETECTION_DONE = 12,
 970
 971	/**
 972	 * DESC: Get REPLAY state from FW.
 973	 * RETURN: REPLAY state enum. This enum may need to be converted to the legacy REPLAY state value.
 974	 */
 975	DMUB_GPINT__GET_REPLAY_STATE = 13,
 976
 977	/**
 978	 * DESC: Start REPLAY residency counter. Stop REPLAY resdiency counter and get value.
 979	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
 980	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
 981	 * RETURN: REPLAY residency in milli-percent.
 982	 */
 983	DMUB_GPINT__REPLAY_RESIDENCY = 14,
 984
 985	/**
 986	 * DESC: Copy bounding box to the host.
 987	 * ARGS: Version of bounding box to copy
 988	 * RETURN: Result of copying bounding box
 989	 */
 990	DMUB_GPINT__BB_COPY = 96,
 991
 992	/**
 993	 * DESC: Updates the host addresses bit48~bit63 for bounding box.
 994	 * ARGS: The word3 for the 64 bit address
 995	 */
 996	DMUB_GPINT__SET_BB_ADDR_WORD3 = 97,
 997
 998	/**
 999	 * DESC: Updates the host addresses bit32~bit47 for bounding box.
1000	 * ARGS: The word2 for the 64 bit address
1001	 */
1002	DMUB_GPINT__SET_BB_ADDR_WORD2 = 98,
1003
1004	/**
1005	 * DESC: Updates the host addresses bit16~bit31 for bounding box.
1006	 * ARGS: The word1 for the 64 bit address
1007	 */
1008	DMUB_GPINT__SET_BB_ADDR_WORD1 = 99,
1009
1010	/**
1011	 * DESC: Updates the host addresses bit0~bit15 for bounding box.
1012	 * ARGS: The word0 for the 64 bit address
1013	 */
1014	DMUB_GPINT__SET_BB_ADDR_WORD0 = 100,
1015
1016	/**
1017	 * DESC: Updates the trace buffer lower 32-bit mask.
1018	 * ARGS: The new mask
1019	 * RETURN: Lower 32-bit mask.
1020	 */
1021	DMUB_GPINT__UPDATE_TRACE_BUFFER_MASK = 101,
1022
1023	/**
1024	 * DESC: Updates the trace buffer mask bit0~bit15.
1025	 * ARGS: The new mask
1026	 * RETURN: Lower 32-bit mask.
1027	 */
1028	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD0 = 102,
1029
1030	/**
1031	 * DESC: Updates the trace buffer mask bit16~bit31.
1032	 * ARGS: The new mask
1033	 * RETURN: Lower 32-bit mask.
1034	 */
1035	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD1 = 103,
1036
1037	/**
1038	 * DESC: Updates the trace buffer mask bit32~bit47.
1039	 * ARGS: The new mask
1040	 * RETURN: Lower 32-bit mask.
1041	 */
1042	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD2 = 114,
1043
1044	/**
1045	 * DESC: Updates the trace buffer mask bit48~bit63.
1046	 * ARGS: The new mask
1047	 * RETURN: Lower 32-bit mask.
1048	 */
1049	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD3 = 115,
1050
1051	/**
1052	 * DESC: Read the trace buffer mask bi0~bit15.
1053	 */
1054	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD0 = 116,
1055
1056	/**
1057	 * DESC: Read the trace buffer mask bit16~bit31.
1058	 */
1059	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD1 = 117,
1060
1061	/**
1062	 * DESC: Read the trace buffer mask bi32~bit47.
1063	 */
1064	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD2 = 118,
1065
1066	/**
1067	 * DESC: Updates the trace buffer mask bit32~bit63.
1068	 */
1069	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD3 = 119,
1070
1071	/**
1072	 * DESC: Set IPS residency measurement
1073	 * ARGS: 0 - Disable ips measurement
1074	 *       1 - Enable ips measurement
1075	 */
1076	DMUB_GPINT__IPS_RESIDENCY = 121,
1077
1078	/**
1079	 * DESC: Enable measurements for various task duration
1080	 * ARGS: 0 - Disable measurement
1081	 *       1 - Enable measurement
1082	 */
1083	DMUB_GPINT__TRACE_DMUB_WAKE_ACTIVITY = 123,
1084
1085	/**
1086	 * DESC: Gets IPS residency in microseconds
1087	 * ARGS: 0 - Return IPS1 residency
1088	 *       1 - Return IPS2 residency
1089	 *       2 - Return IPS1_RCG residency
1090	 *       3 - Return IPS1_ONO2_ON residency
1091	 * RETURN: Total residency in microseconds - lower 32 bits
1092	 */
1093	DMUB_GPINT__GET_IPS_RESIDENCY_DURATION_US_LO = 124,
1094
1095	/**
1096	 * DESC: Gets IPS1 histogram counts
1097	 * ARGS: Bucket index
1098	 * RETURN: Total count for the bucket
1099	 */
1100	DMUB_GPINT__GET_IPS1_HISTOGRAM_COUNTER = 125,
1101
1102	/**
1103	 * DESC: Gets IPS2 histogram counts
1104	 * ARGS: Bucket index
1105	 * RETURN: Total count for the bucket
1106	 */
1107	DMUB_GPINT__GET_IPS2_HISTOGRAM_COUNTER = 126,
1108
1109	/**
1110	 * DESC: Gets IPS residency
1111	 * ARGS: 0 - Return IPS1 residency
1112	 *       1 - Return IPS2 residency
1113	 *       2 - Return IPS1_RCG residency
1114	 *       3 - Return IPS1_ONO2_ON residency
1115	 * RETURN: Total residency in milli-percent.
1116	 */
1117	DMUB_GPINT__GET_IPS_RESIDENCY_PERCENT = 127,
1118
1119	/**
1120	 * DESC: Gets IPS1_RCG histogram counts
1121	 * ARGS: Bucket index
1122	 * RETURN: Total count for the bucket
1123	 */
1124	DMUB_GPINT__GET_IPS1_RCG_HISTOGRAM_COUNTER = 128,
1125
1126	/**
1127	 * DESC: Gets IPS1_ONO2_ON histogram counts
1128	 * ARGS: Bucket index
1129	 * RETURN: Total count for the bucket
1130	 */
1131	DMUB_GPINT__GET_IPS1_ONO2_ON_HISTOGRAM_COUNTER = 129,
1132
1133	/**
1134	 * DESC: Gets IPS entry counter during residency measurement
1135	 * ARGS: 0 - Return IPS1 entry counts
1136	 *       1 - Return IPS2 entry counts
1137	 *       2 - Return IPS1_RCG entry counts
1138	 *       3 - Return IPS2_ONO2_ON entry counts
1139	 * RETURN: Entry counter for selected IPS mode
1140	 */
1141	DMUB_GPINT__GET_IPS_RESIDENCY_ENTRY_COUNTER = 130,
1142
1143	/**
1144	 * DESC: Gets IPS inactive residency in microseconds
1145	 * ARGS: 0 - Return IPS1_MAX residency
1146	 *       1 - Return IPS2 residency
1147	 *       2 - Return IPS1_RCG residency
1148	 *       3 - Return IPS1_ONO2_ON residency
1149	 * RETURN: Total inactive residency in microseconds - lower 32 bits
1150	 */
1151	DMUB_GPINT__GET_IPS_INACTIVE_RESIDENCY_DURATION_US_LO = 131,
1152
1153	/**
1154	 * DESC: Gets IPS inactive residency in microseconds
1155	 * ARGS: 0 - Return IPS1_MAX residency
1156	 *       1 - Return IPS2 residency
1157	 *       2 - Return IPS1_RCG residency
1158	 *       3 - Return IPS1_ONO2_ON residency
1159	 * RETURN: Total inactive residency in microseconds - upper 32 bits
1160	 */
1161	DMUB_GPINT__GET_IPS_INACTIVE_RESIDENCY_DURATION_US_HI = 132,
1162
1163	/**
1164	 * DESC: Gets IPS residency in microseconds
1165	 * ARGS: 0 - Return IPS1 residency
1166	 *       1 - Return IPS2 residency
1167	 *       2 - Return IPS1_RCG residency
1168	 *       3 - Return IPS1_ONO2_ON residency
1169	 * RETURN: Total residency in microseconds - upper 32 bits
1170	 */
1171	DMUB_GPINT__GET_IPS_RESIDENCY_DURATION_US_HI = 133,
1172	/**
1173	 * DESC: Setup debug configs.
1174	 */
1175	DMUB_GPINT__SETUP_DEBUG_MODE = 136,
1176};
1177
1178/**
1179 * INBOX0 generic command definition
1180 */
1181union dmub_inbox0_cmd_common {
1182	struct {
1183		uint32_t command_code: 8; /**< INBOX0 command code */
1184		uint32_t param: 24; /**< 24-bit parameter */
1185	} bits;
1186	uint32_t all;
1187};
1188
1189/**
1190 * INBOX0 hw_lock command definition
1191 */
1192union dmub_inbox0_cmd_lock_hw {
1193	struct {
1194		uint32_t command_code: 8;
1195
1196		/* NOTE: Must be have enough bits to match: enum hw_lock_client */
1197		uint32_t hw_lock_client: 2;
1198
1199		/* NOTE: Below fields must match with: struct dmub_hw_lock_inst_flags */
1200		uint32_t otg_inst: 3;
1201		uint32_t opp_inst: 3;
1202		uint32_t dig_inst: 3;
1203
1204		/* NOTE: Below fields must match with: union dmub_hw_lock_flags */
1205		uint32_t lock_pipe: 1;
1206		uint32_t lock_cursor: 1;
1207		uint32_t lock_dig: 1;
1208		uint32_t triple_buffer_lock: 1;
1209
1210		uint32_t lock: 1;				/**< Lock */
1211		uint32_t should_release: 1;		/**< Release */
1212		uint32_t reserved: 7; 			/**< Reserved for extending more clients, HW, etc. */
1213	} bits;
1214	uint32_t all;
1215};
1216
1217union dmub_inbox0_data_register {
1218	union dmub_inbox0_cmd_common inbox0_cmd_common;
1219	union dmub_inbox0_cmd_lock_hw inbox0_cmd_lock_hw;
1220};
1221
1222enum dmub_inbox0_command {
1223	/**
1224	 * DESC: Invalid command, ignored.
1225	 */
1226	DMUB_INBOX0_CMD__INVALID_COMMAND = 0,
1227	/**
1228	 * DESC: Notification to acquire/release HW lock
1229	 * ARGS:
1230	 */
1231	DMUB_INBOX0_CMD__HW_LOCK = 1,
1232};
1233//==============================================================================
1234//</DMUB_GPINT>=================================================================
1235//==============================================================================
1236//< DMUB_CMD>===================================================================
1237//==============================================================================
1238
1239/**
1240 * Size in bytes of each DMUB command.
1241 */
1242#define DMUB_RB_CMD_SIZE 64
1243
1244/**
1245 * Maximum number of items in the DMUB ringbuffer.
1246 */
1247#define DMUB_RB_MAX_ENTRY 128
1248
1249/**
1250 * Ringbuffer size in bytes.
1251 */
1252#define DMUB_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_RB_MAX_ENTRY)
1253
1254/**
1255 * REG_SET mask for reg offload.
1256 */
1257#define REG_SET_MASK 0xFFFF
1258
1259/*
1260 * enum dmub_cmd_type - DMUB inbox command.
1261 *
1262 * Command IDs should be treated as stable ABI.
1263 * Do not reuse or modify IDs.
1264 */
1265enum dmub_cmd_type {
1266	/**
1267	 * Invalid command.
1268	 */
1269	DMUB_CMD__NULL = 0,
1270	/**
1271	 * Read modify write register sequence offload.
1272	 */
1273	DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE = 1,
1274	/**
1275	 * Field update register sequence offload.
1276	 */
1277	DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ = 2,
1278	/**
1279	 * Burst write sequence offload.
1280	 */
1281	DMUB_CMD__REG_SEQ_BURST_WRITE = 3,
1282	/**
1283	 * Reg wait sequence offload.
1284	 */
1285	DMUB_CMD__REG_REG_WAIT = 4,
1286	/**
1287	 * Workaround to avoid HUBP underflow during NV12 playback.
1288	 */
1289	DMUB_CMD__PLAT_54186_WA = 5,
1290	/**
1291	 * Command type used to query FW feature caps.
1292	 */
1293	DMUB_CMD__QUERY_FEATURE_CAPS = 6,
1294	/**
1295	 * Command type used to get visual confirm color.
1296	 */
1297	DMUB_CMD__GET_VISUAL_CONFIRM_COLOR = 8,
1298	/**
1299	 * Command type used for all PSR commands.
1300	 */
1301	DMUB_CMD__PSR = 64,
1302	/**
1303	 * Command type used for all MALL commands.
1304	 */
1305	DMUB_CMD__MALL = 65,
1306	/**
1307	 * Command type used for all ABM commands.
1308	 */
1309	DMUB_CMD__ABM = 66,
1310	/**
1311	 * Command type used to update dirty rects in FW.
1312	 */
1313	DMUB_CMD__UPDATE_DIRTY_RECT = 67,
1314	/**
1315	 * Command type used to update cursor info in FW.
1316	 */
1317	DMUB_CMD__UPDATE_CURSOR_INFO = 68,
1318	/**
1319	 * Command type used for HW locking in FW.
1320	 */
1321	DMUB_CMD__HW_LOCK = 69,
1322	/**
1323	 * Command type used to access DP AUX.
1324	 */
1325	DMUB_CMD__DP_AUX_ACCESS = 70,
1326	/**
1327	 * Command type used for OUTBOX1 notification enable
1328	 */
1329	DMUB_CMD__OUTBOX1_ENABLE = 71,
1330
1331	/**
1332	 * Command type used for all idle optimization commands.
1333	 */
1334	DMUB_CMD__IDLE_OPT = 72,
1335	/**
1336	 * Command type used for all clock manager commands.
1337	 */
1338	DMUB_CMD__CLK_MGR = 73,
1339	/**
1340	 * Command type used for all panel control commands.
1341	 */
1342	DMUB_CMD__PANEL_CNTL = 74,
1343
1344	/**
1345	 * Command type used for all CAB commands.
1346	 */
1347	DMUB_CMD__CAB_FOR_SS = 75,
1348
1349	DMUB_CMD__FW_ASSISTED_MCLK_SWITCH = 76,
1350
1351	/**
1352	 * Command type used for interfacing with DPIA.
1353	 */
1354	DMUB_CMD__DPIA = 77,
1355	/**
1356	 * Command type used for EDID CEA parsing
1357	 */
1358	DMUB_CMD__EDID_CEA = 79,
1359	/**
1360	 * Command type used for getting usbc cable ID
1361	 */
1362	DMUB_CMD_GET_USBC_CABLE_ID = 81,
1363	/**
1364	 * Command type used to query HPD state.
1365	 */
1366	DMUB_CMD__QUERY_HPD_STATE = 82,
1367	/**
1368	 * Command type used for all VBIOS interface commands.
1369	 */
1370	/**
1371	 * Command type used for all REPLAY commands.
1372	 */
1373	DMUB_CMD__REPLAY = 83,
1374
1375	/**
1376	 * Command type used for all SECURE_DISPLAY commands.
1377	 */
1378	DMUB_CMD__SECURE_DISPLAY = 85,
1379
1380	/**
1381	 * Command type used to set DPIA HPD interrupt state
1382	 */
1383	DMUB_CMD__DPIA_HPD_INT_ENABLE = 86,
1384
1385	/**
1386	 * Command type used for all PSP commands.
1387	 */
1388	DMUB_CMD__PSP = 88,
1389
1390	DMUB_CMD__VBIOS = 128,
1391};
1392
1393/**
1394 * enum dmub_out_cmd_type - DMUB outbox commands.
1395 */
1396enum dmub_out_cmd_type {
1397	/**
1398	 * Invalid outbox command, ignored.
1399	 */
1400	DMUB_OUT_CMD__NULL = 0,
1401	/**
1402	 * Command type used for DP AUX Reply data notification
1403	 */
1404	DMUB_OUT_CMD__DP_AUX_REPLY = 1,
1405	/**
1406	 * Command type used for DP HPD event notification
1407	 */
1408	DMUB_OUT_CMD__DP_HPD_NOTIFY = 2,
1409	/**
1410	 * Command type used for SET_CONFIG Reply notification
1411	 */
1412	DMUB_OUT_CMD__SET_CONFIG_REPLY = 3,
1413	/**
1414	 * Command type used for USB4 DPIA notification
1415	 */
1416	DMUB_OUT_CMD__DPIA_NOTIFICATION = 5,
1417	/**
1418	 * Command type used for HPD redetect notification
1419	 */
1420	DMUB_OUT_CMD__HPD_SENSE_NOTIFY = 6,
1421};
1422
1423/* DMUB_CMD__DPIA command sub-types. */
1424enum dmub_cmd_dpia_type {
1425	DMUB_CMD__DPIA_DIG1_DPIA_CONTROL = 0,
1426	DMUB_CMD__DPIA_SET_CONFIG_ACCESS = 1, // will be replaced by DPIA_SET_CONFIG_REQUEST
1427	DMUB_CMD__DPIA_MST_ALLOC_SLOTS = 2,
1428	DMUB_CMD__DPIA_SET_TPS_NOTIFICATION = 3,
1429	DMUB_CMD__DPIA_SET_CONFIG_REQUEST = 4,
1430};
1431
1432/* DMUB_OUT_CMD__DPIA_NOTIFICATION command types. */
1433enum dmub_cmd_dpia_notification_type {
1434	DPIA_NOTIFY__BW_ALLOCATION = 0,
1435};
1436
1437#pragma pack(push, 1)
1438
1439/**
1440 * struct dmub_cmd_header - Common command header fields.
1441 */
1442struct dmub_cmd_header {
1443	unsigned int type : 8; /**< command type */
1444	unsigned int sub_type : 8; /**< command sub type */
1445	unsigned int ret_status : 1; /**< 1 if returned data, 0 otherwise */
1446	unsigned int multi_cmd_pending : 1; /**< 1 if multiple commands chained together */
1447	unsigned int reserved0 : 6; /**< reserved bits */
1448	unsigned int payload_bytes : 6;  /* payload excluding header - up to 60 bytes */
1449	unsigned int reserved1 : 2; /**< reserved bits */
1450};
1451
1452/*
1453 * struct dmub_cmd_read_modify_write_sequence - Read modify write
1454 *
1455 * 60 payload bytes can hold up to 5 sets of read modify writes,
1456 * each take 3 dwords.
1457 *
1458 * number of sequences = header.payload_bytes / sizeof(struct dmub_cmd_read_modify_write_sequence)
1459 *
1460 * modify_mask = 0xffff'ffff means all fields are going to be updated.  in this case
1461 * command parser will skip the read and we can use modify_mask = 0xffff'ffff as reg write
1462 */
1463struct dmub_cmd_read_modify_write_sequence {
1464	uint32_t addr; /**< register address */
1465	uint32_t modify_mask; /**< modify mask */
1466	uint32_t modify_value; /**< modify value */
1467};
1468
1469/**
1470 * Maximum number of ops in read modify write sequence.
1471 */
1472#define DMUB_READ_MODIFY_WRITE_SEQ__MAX 5
1473
1474/**
1475 * struct dmub_cmd_read_modify_write_sequence - Read modify write command.
1476 */
1477struct dmub_rb_cmd_read_modify_write {
1478	struct dmub_cmd_header header;  /**< command header */
1479	/**
1480	 * Read modify write sequence.
1481	 */
1482	struct dmub_cmd_read_modify_write_sequence seq[DMUB_READ_MODIFY_WRITE_SEQ__MAX];
1483};
1484
1485/*
1486 * Update a register with specified masks and values sequeunce
1487 *
1488 * 60 payload bytes can hold address + up to 7 sets of mask/value combo, each take 2 dword
1489 *
1490 * number of field update sequence = (header.payload_bytes - sizeof(addr)) / sizeof(struct read_modify_write_sequence)
1491 *
1492 *
1493 * USE CASE:
1494 *   1. auto-increment register where additional read would update pointer and produce wrong result
1495 *   2. toggle a bit without read in the middle
1496 */
1497
1498struct dmub_cmd_reg_field_update_sequence {
1499	uint32_t modify_mask; /**< 0xffff'ffff to skip initial read */
1500	uint32_t modify_value; /**< value to update with */
1501};
1502
1503/**
1504 * Maximum number of ops in field update sequence.
1505 */
1506#define DMUB_REG_FIELD_UPDATE_SEQ__MAX 7
1507
1508/**
1509 * struct dmub_rb_cmd_reg_field_update_sequence - Field update command.
1510 */
1511struct dmub_rb_cmd_reg_field_update_sequence {
1512	struct dmub_cmd_header header; /**< command header */
1513	uint32_t addr; /**< register address */
1514	/**
1515	 * Field update sequence.
1516	 */
1517	struct dmub_cmd_reg_field_update_sequence seq[DMUB_REG_FIELD_UPDATE_SEQ__MAX];
1518};
1519
1520
1521/**
1522 * Maximum number of burst write values.
1523 */
1524#define DMUB_BURST_WRITE_VALUES__MAX  14
1525
1526/*
1527 * struct dmub_rb_cmd_burst_write - Burst write
1528 *
1529 * support use case such as writing out LUTs.
1530 *
1531 * 60 payload bytes can hold up to 14 values to write to given address
1532 *
1533 * number of payload = header.payload_bytes / sizeof(struct read_modify_write_sequence)
1534 */
1535struct dmub_rb_cmd_burst_write {
1536	struct dmub_cmd_header header; /**< command header */
1537	uint32_t addr; /**< register start address */
1538	/**
1539	 * Burst write register values.
1540	 */
1541	uint32_t write_values[DMUB_BURST_WRITE_VALUES__MAX];
1542};
1543
1544/**
1545 * struct dmub_rb_cmd_common - Common command header
1546 */
1547struct dmub_rb_cmd_common {
1548	struct dmub_cmd_header header; /**< command header */
1549	/**
1550	 * Padding to RB_CMD_SIZE
1551	 */
1552	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)];
1553};
1554
1555/**
1556 * struct dmub_cmd_reg_wait_data - Register wait data
1557 */
1558struct dmub_cmd_reg_wait_data {
1559	uint32_t addr; /**< Register address */
1560	uint32_t mask; /**< Mask for register bits */
1561	uint32_t condition_field_value; /**< Value to wait for */
1562	uint32_t time_out_us; /**< Time out for reg wait in microseconds */
1563};
1564
1565/**
1566 * struct dmub_rb_cmd_reg_wait - Register wait command
1567 */
1568struct dmub_rb_cmd_reg_wait {
1569	struct dmub_cmd_header header; /**< Command header */
1570	struct dmub_cmd_reg_wait_data reg_wait; /**< Register wait data */
1571};
1572
1573/**
1574 * struct dmub_cmd_PLAT_54186_wa - Underflow workaround
1575 *
1576 * Reprograms surface parameters to avoid underflow.
1577 */
1578struct dmub_cmd_PLAT_54186_wa {
1579	uint32_t DCSURF_SURFACE_CONTROL; /**< reg value */
1580	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH; /**< reg value */
1581	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS; /**< reg value */
1582	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C; /**< reg value */
1583	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_C; /**< reg value */
1584	struct {
1585		uint32_t hubp_inst : 4; /**< HUBP instance */
1586		uint32_t tmz_surface : 1; /**< TMZ enable or disable */
1587		uint32_t immediate :1; /**< Immediate flip */
1588		uint32_t vmid : 4; /**< VMID */
1589		uint32_t grph_stereo : 1; /**< 1 if stereo */
1590		uint32_t reserved : 21; /**< Reserved */
1591	} flip_params; /**< Pageflip parameters */
1592	uint32_t reserved[9]; /**< Reserved bits */
1593};
1594
1595/**
1596 * struct dmub_rb_cmd_PLAT_54186_wa - Underflow workaround command
1597 */
1598struct dmub_rb_cmd_PLAT_54186_wa {
1599	struct dmub_cmd_header header; /**< Command header */
1600	struct dmub_cmd_PLAT_54186_wa flip; /**< Flip data */
1601};
1602
1603/**
1604 * enum dmub_cmd_mall_type - MALL commands
1605 */
1606enum dmub_cmd_mall_type {
1607	/**
1608	 * Allows display refresh from MALL.
1609	 */
1610	DMUB_CMD__MALL_ACTION_ALLOW = 0,
1611	/**
1612	 * Disallows display refresh from MALL.
1613	 */
1614	DMUB_CMD__MALL_ACTION_DISALLOW = 1,
1615	/**
1616	 * Cursor copy for MALL.
1617	 */
1618	DMUB_CMD__MALL_ACTION_COPY_CURSOR = 2,
1619	/**
1620	 * Controls DF requests.
1621	 */
1622	DMUB_CMD__MALL_ACTION_NO_DF_REQ = 3,
1623};
1624
1625/**
1626 * struct dmub_rb_cmd_mall - MALL command data.
1627 */
1628struct dmub_rb_cmd_mall {
1629	struct dmub_cmd_header header; /**< Common command header */
1630	union dmub_addr cursor_copy_src; /**< Cursor copy address */
1631	union dmub_addr cursor_copy_dst; /**< Cursor copy destination */
1632	uint32_t tmr_delay; /**< Timer delay */
1633	uint32_t tmr_scale; /**< Timer scale */
1634	uint16_t cursor_width; /**< Cursor width in pixels */
1635	uint16_t cursor_pitch; /**< Cursor pitch in pixels */
1636	uint16_t cursor_height; /**< Cursor height in pixels */
1637	uint8_t cursor_bpp; /**< Cursor bits per pixel */
1638	uint8_t debug_bits; /**< Debug bits */
1639
1640	uint8_t reserved1; /**< Reserved bits */
1641	uint8_t reserved2; /**< Reserved bits */
1642};
1643
1644/**
1645 * enum dmub_cmd_cab_type - CAB command data.
1646 */
1647enum dmub_cmd_cab_type {
1648	/**
1649	 * No idle optimizations (i.e. no CAB)
1650	 */
1651	DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0,
1652	/**
1653	 * No DCN requests for memory
1654	 */
1655	DMUB_CMD__CAB_NO_DCN_REQ = 1,
1656	/**
1657	 * Fit surfaces in CAB (i.e. CAB enable)
1658	 */
1659	DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2,
1660	/**
1661	 * Do not fit surfaces in CAB (i.e. no CAB)
1662	 */
1663	DMUB_CMD__CAB_DCN_SS_NOT_FIT_IN_CAB = 3,
1664};
1665
1666/**
1667 * struct dmub_rb_cmd_cab - CAB command data.
1668 */
1669struct dmub_rb_cmd_cab_for_ss {
1670	struct dmub_cmd_header header;
1671	uint8_t cab_alloc_ways; /* total number of ways */
1672	uint8_t debug_bits;     /* debug bits */
1673};
1674
1675/**
1676 * Enum for indicating which MCLK switch mode per pipe
1677 */
1678enum mclk_switch_mode {
1679	NONE = 0,
1680	FPO = 1,
1681	SUBVP = 2,
1682	VBLANK = 3,
1683};
1684
1685/* Per pipe struct which stores the MCLK switch mode
1686 * data to be sent to DMUB.
1687 * Named "v2" for now -- once FPO and SUBVP are fully merged
1688 * the type name can be updated
1689 */
1690struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 {
1691	union {
1692		struct {
1693			uint32_t pix_clk_100hz;
1694			uint16_t main_vblank_start;
1695			uint16_t main_vblank_end;
1696			uint16_t mall_region_lines;
1697			uint16_t prefetch_lines;
1698			uint16_t prefetch_to_mall_start_lines;
1699			uint16_t processing_delay_lines;
1700			uint16_t htotal; // required to calculate line time for multi-display cases
1701			uint16_t vtotal;
1702			uint8_t main_pipe_index;
1703			uint8_t phantom_pipe_index;
1704			/* Since the microschedule is calculated in terms of OTG lines,
1705			 * include any scaling factors to make sure when we get accurate
1706			 * conversion when programming MALL_START_LINE (which is in terms
1707			 * of HUBP lines). If 4K is being downscaled to 1080p, scale factor
1708			 * is 1/2 (numerator = 1, denominator = 2).
1709			 */
1710			uint8_t scale_factor_numerator;
1711			uint8_t scale_factor_denominator;
1712			uint8_t is_drr;
1713			uint8_t main_split_pipe_index;
1714			uint8_t phantom_split_pipe_index;
1715		} subvp_data;
1716
1717		struct {
1718			uint32_t pix_clk_100hz;
1719			uint16_t vblank_start;
1720			uint16_t vblank_end;
1721			uint16_t vstartup_start;
1722			uint16_t vtotal;
1723			uint16_t htotal;
1724			uint8_t vblank_pipe_index;
1725			uint8_t padding[1];
1726			struct {
1727				uint8_t drr_in_use;
1728				uint8_t drr_window_size_ms;	// Indicates largest VMIN/VMAX adjustment per frame
1729				uint16_t min_vtotal_supported;	// Min VTOTAL that supports switching in VBLANK
1730				uint16_t max_vtotal_supported;	// Max VTOTAL that can support SubVP static scheduling
1731				uint8_t use_ramping;		// Use ramping or not
1732				uint8_t drr_vblank_start_margin;
1733			} drr_info;				// DRR considered as part of SubVP + VBLANK case
1734		} vblank_data;
1735	} pipe_config;
1736
1737	/* - subvp_data in the union (pipe_config) takes up 27 bytes.
1738	 * - Make the "mode" field a uint8_t instead of enum so we only use 1 byte (only
1739	 *   for the DMCUB command, cast to enum once we populate the DMCUB subvp state).
1740	 */
1741	uint8_t mode; // enum mclk_switch_mode
1742};
1743
1744/**
1745 * Config data for Sub-VP and FPO
1746 * Named "v2" for now -- once FPO and SUBVP are fully merged
1747 * the type name can be updated
1748 */
1749struct dmub_cmd_fw_assisted_mclk_switch_config_v2 {
1750	uint16_t watermark_a_cache;
1751	uint8_t vertical_int_margin_us;
1752	uint8_t pstate_allow_width_us;
1753	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 pipe_data[DMUB_MAX_SUBVP_STREAMS];
1754};
1755
1756/**
1757 * DMUB rb command definition for Sub-VP and FPO
1758 * Named "v2" for now -- once FPO and SUBVP are fully merged
1759 * the type name can be updated
1760 */
1761struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 {
1762	struct dmub_cmd_header header;
1763	struct dmub_cmd_fw_assisted_mclk_switch_config_v2 config_data;
1764};
1765
1766struct dmub_flip_addr_info {
1767	uint32_t surf_addr_lo;
1768	uint32_t surf_addr_c_lo;
1769	uint32_t meta_addr_lo;
1770	uint32_t meta_addr_c_lo;
1771	uint16_t surf_addr_hi;
1772	uint16_t surf_addr_c_hi;
1773	uint16_t meta_addr_hi;
1774	uint16_t meta_addr_c_hi;
1775};
1776
1777struct dmub_fams2_flip_info {
1778	union {
1779		struct {
1780			uint8_t is_immediate: 1;
1781		} bits;
1782		uint8_t all;
1783	} config;
1784	uint8_t otg_inst;
1785	uint8_t pipe_mask;
1786	uint8_t pad;
1787	struct dmub_flip_addr_info addr_info;
1788};
1789
1790struct dmub_rb_cmd_fams2_flip {
1791	struct dmub_cmd_header header;
1792	struct dmub_fams2_flip_info flip_info;
1793};
1794
1795struct dmub_optc_state_v2 {
1796	uint32_t v_total_min;
1797	uint32_t v_total_max;
1798	uint32_t v_total_mid;
1799	uint32_t v_total_mid_frame_num;
1800	uint8_t program_manual_trigger;
1801	uint8_t tg_inst;
1802	uint8_t pad[2];
1803};
1804
1805struct dmub_optc_position {
1806	uint32_t vpos;
1807	uint32_t hpos;
1808	uint32_t frame;
1809};
1810
1811struct dmub_rb_cmd_fams2_drr_update {
1812	struct dmub_cmd_header header;
1813	struct dmub_optc_state_v2 dmub_optc_state_req;
1814};
1815
1816/* HW and FW global configuration data for FAMS2 */
1817/* FAMS2 types and structs */
1818enum fams2_stream_type {
1819	FAMS2_STREAM_TYPE_NONE = 0,
1820	FAMS2_STREAM_TYPE_VBLANK = 1,
1821	FAMS2_STREAM_TYPE_VACTIVE = 2,
1822	FAMS2_STREAM_TYPE_DRR = 3,
1823	FAMS2_STREAM_TYPE_SUBVP = 4,
1824};
1825
1826/* dynamic stream state */
1827struct dmub_fams2_legacy_stream_dynamic_state {
1828	uint8_t force_allow_at_vblank;
1829	uint8_t pad[3];
1830};
1831
1832struct dmub_fams2_subvp_stream_dynamic_state {
1833	uint16_t viewport_start_hubp_vline;
1834	uint16_t viewport_height_hubp_vlines;
1835	uint16_t viewport_start_c_hubp_vline;
1836	uint16_t viewport_height_c_hubp_vlines;
1837	uint16_t phantom_viewport_height_hubp_vlines;
1838	uint16_t phantom_viewport_height_c_hubp_vlines;
1839	uint16_t microschedule_start_otg_vline;
1840	uint16_t mall_start_otg_vline;
1841	uint16_t mall_start_hubp_vline;
1842	uint16_t mall_start_c_hubp_vline;
1843	uint8_t force_allow_at_vblank_only;
1844	uint8_t pad[3];
1845};
1846
1847struct dmub_fams2_drr_stream_dynamic_state {
1848	uint16_t stretched_vtotal;
1849	uint8_t use_cur_vtotal;
1850	uint8_t pad;
1851};
1852
1853struct dmub_fams2_stream_dynamic_state {
1854	uint64_t ref_tick;
1855	uint32_t cur_vtotal;
1856	uint16_t adjusted_allow_end_otg_vline;
1857	uint8_t pad[2];
1858	struct dmub_optc_position ref_otg_pos;
1859	struct dmub_optc_position target_otg_pos;
1860	union {
1861		struct dmub_fams2_legacy_stream_dynamic_state legacy;
1862		struct dmub_fams2_subvp_stream_dynamic_state subvp;
1863		struct dmub_fams2_drr_stream_dynamic_state drr;
1864	} sub_state;
1865};
1866
1867/* static stream state */
1868struct dmub_fams2_legacy_stream_static_state {
1869	uint8_t vactive_det_fill_delay_otg_vlines;
1870	uint8_t programming_delay_otg_vlines;
1871};
1872
1873struct dmub_fams2_subvp_stream_static_state {
1874	uint16_t vratio_numerator;
1875	uint16_t vratio_denominator;
1876	uint16_t phantom_vtotal;
1877	uint16_t phantom_vactive;
1878	union {
1879		struct {
1880			uint8_t is_multi_planar : 1;
1881			uint8_t is_yuv420 : 1;
1882		} bits;
1883		uint8_t all;
1884	} config;
1885	uint8_t programming_delay_otg_vlines;
1886	uint8_t prefetch_to_mall_otg_vlines;
1887	uint8_t phantom_otg_inst;
1888	uint8_t phantom_pipe_mask;
1889	uint8_t phantom_plane_pipe_masks[DMUB_MAX_PHANTOM_PLANES]; // phantom pipe mask per plane (for flip passthrough)
1890};
1891
1892struct dmub_fams2_drr_stream_static_state {
1893	uint16_t nom_stretched_vtotal;
1894	uint8_t programming_delay_otg_vlines;
1895	uint8_t only_stretch_if_required;
1896	uint8_t pad[2];
1897};
1898
1899struct dmub_fams2_stream_static_state {
1900	enum fams2_stream_type type;
1901	uint32_t otg_vline_time_ns;
1902	uint32_t otg_vline_time_ticks;
1903	uint16_t htotal;
1904	uint16_t vtotal; // nominal vtotal
1905	uint16_t vblank_start;
1906	uint16_t vblank_end;
1907	uint16_t max_vtotal;
1908	uint16_t allow_start_otg_vline;
1909	uint16_t allow_end_otg_vline;
1910	uint16_t drr_keepout_otg_vline; // after this vline, vtotal cannot be changed
1911	uint8_t scheduling_delay_otg_vlines; // min time to budget for ready to microschedule start
1912	uint8_t contention_delay_otg_vlines; // time to budget for contention on execution
1913	uint8_t vline_int_ack_delay_otg_vlines; // min time to budget for vertical interrupt firing
1914	uint8_t allow_to_target_delay_otg_vlines; // time from allow vline to target vline
1915	union {
1916		struct {
1917			uint8_t is_drr: 1; // stream is DRR enabled
1918			uint8_t clamp_vtotal_min: 1; // clamp vtotal to min instead of nominal
1919			uint8_t min_ttu_vblank_usable: 1; // if min ttu vblank is above wm, no force pstate is needed in blank
1920		} bits;
1921		uint8_t all;
1922	} config;
1923	uint8_t otg_inst;
1924	uint8_t pipe_mask; // pipe mask for the whole config
1925	uint8_t num_planes;
1926	uint8_t plane_pipe_masks[DMUB_MAX_PLANES]; // pipe mask per plane (for flip passthrough)
1927	uint8_t pad[DMUB_MAX_PLANES % 4];
1928	union {
1929		struct dmub_fams2_legacy_stream_static_state legacy;
1930		struct dmub_fams2_subvp_stream_static_state subvp;
1931		struct dmub_fams2_drr_stream_static_state drr;
1932	} sub_state;
1933};
1934
1935/**
1936 * enum dmub_fams2_allow_delay_check_mode - macroscheduler mode for breaking on excessive
1937 * p-state request to allow latency
1938 */
1939enum dmub_fams2_allow_delay_check_mode {
1940	/* No check for request to allow delay */
1941	FAMS2_ALLOW_DELAY_CHECK_NONE = 0,
1942	/* Check for request to allow delay */
1943	FAMS2_ALLOW_DELAY_CHECK_FROM_START = 1,
1944	/* Check for prepare to allow delay */
1945	FAMS2_ALLOW_DELAY_CHECK_FROM_PREPARE = 2,
1946};
1947
1948union dmub_fams2_global_feature_config {
1949	struct {
1950		uint32_t enable: 1;
1951		uint32_t enable_ppt_check: 1;
1952		uint32_t enable_stall_recovery: 1;
1953		uint32_t enable_debug: 1;
1954		uint32_t enable_offload_flip: 1;
1955		uint32_t enable_visual_confirm: 1;
1956		uint32_t allow_delay_check_mode: 2;
1957		uint32_t reserved: 24;
1958	} bits;
1959	uint32_t all;
1960};
1961
1962struct dmub_cmd_fams2_global_config {
1963	uint32_t max_allow_delay_us; // max delay to assert allow from uclk change begin
1964	uint32_t lock_wait_time_us; // time to forecast acquisition of lock
1965	uint32_t num_streams;
1966	union dmub_fams2_global_feature_config features;
1967	uint32_t recovery_timeout_us;
1968	uint32_t hwfq_flip_programming_delay_us;
1969};
1970
1971union dmub_cmd_fams2_config {
1972	struct dmub_cmd_fams2_global_config global;
1973	struct dmub_fams2_stream_static_state stream;
1974};
1975
1976/**
1977 * DMUB rb command definition for FAMS2 (merged SubVP, FPO, Legacy)
1978 */
1979struct dmub_rb_cmd_fams2 {
1980	struct dmub_cmd_header header;
1981	union dmub_cmd_fams2_config config;
1982};
1983
1984/**
1985 * enum dmub_cmd_idle_opt_type - Idle optimization command type.
1986 */
1987enum dmub_cmd_idle_opt_type {
1988	/**
1989	 * DCN hardware restore.
1990	 */
1991	DMUB_CMD__IDLE_OPT_DCN_RESTORE = 0,
1992
1993	/**
1994	 * DCN hardware save.
1995	 */
1996	DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT = 1,
1997
1998	/**
1999	 * DCN hardware notify idle.
2000	 */
2001	DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE = 2,
2002
2003	/**
2004	 * DCN hardware notify power state.
2005	 */
2006	DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE = 3,
2007};
2008
2009/**
2010 * struct dmub_rb_cmd_idle_opt_dcn_restore - DCN restore command data.
2011 */
2012struct dmub_rb_cmd_idle_opt_dcn_restore {
2013	struct dmub_cmd_header header; /**< header */
2014};
2015
2016/**
2017 * struct dmub_dcn_notify_idle_cntl_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
2018 */
2019struct dmub_dcn_notify_idle_cntl_data {
2020	uint8_t driver_idle;
2021	uint8_t skip_otg_disable;
2022	uint8_t reserved[58];
2023};
2024
2025/**
2026 * struct dmub_rb_cmd_idle_opt_dcn_notify_idle - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
2027 */
2028struct dmub_rb_cmd_idle_opt_dcn_notify_idle {
2029	struct dmub_cmd_header header; /**< header */
2030	struct dmub_dcn_notify_idle_cntl_data cntl_data;
2031};
2032
2033/**
2034 * enum dmub_idle_opt_dc_power_state - DC power states.
2035 */
2036enum dmub_idle_opt_dc_power_state {
2037	DMUB_IDLE_OPT_DC_POWER_STATE_UNKNOWN = 0,
2038	DMUB_IDLE_OPT_DC_POWER_STATE_D0 = 1,
2039	DMUB_IDLE_OPT_DC_POWER_STATE_D1 = 2,
2040	DMUB_IDLE_OPT_DC_POWER_STATE_D2 = 4,
2041	DMUB_IDLE_OPT_DC_POWER_STATE_D3 = 8,
2042};
2043
2044/**
2045 * struct dmub_idle_opt_set_dc_power_state_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command.
2046 */
2047struct dmub_idle_opt_set_dc_power_state_data {
2048	uint8_t power_state; /**< power state */
2049	uint8_t pad[3]; /**< padding */
2050};
2051
2052/**
2053 * struct dmub_rb_cmd_idle_opt_set_dc_power_state - Data passed to FW in a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command.
2054 */
2055struct dmub_rb_cmd_idle_opt_set_dc_power_state {
2056	struct dmub_cmd_header header; /**< header */
2057	struct dmub_idle_opt_set_dc_power_state_data data;
2058};
2059
2060/**
2061 * struct dmub_clocks - Clock update notification.
2062 */
2063struct dmub_clocks {
2064	uint32_t dispclk_khz; /**< dispclk kHz */
2065	uint32_t dppclk_khz; /**< dppclk kHz */
2066	uint32_t dcfclk_khz; /**< dcfclk kHz */
2067	uint32_t dcfclk_deep_sleep_khz; /**< dcfclk deep sleep kHz */
2068};
2069
2070/**
2071 * enum dmub_cmd_clk_mgr_type - Clock manager commands.
2072 */
2073enum dmub_cmd_clk_mgr_type {
2074	/**
2075	 * Notify DMCUB of clock update.
2076	 */
2077	DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS = 0,
2078};
2079
2080/**
2081 * struct dmub_rb_cmd_clk_mgr_notify_clocks - Clock update notification.
2082 */
2083struct dmub_rb_cmd_clk_mgr_notify_clocks {
2084	struct dmub_cmd_header header; /**< header */
2085	struct dmub_clocks clocks; /**< clock data */
2086};
2087
2088/**
2089 * struct dmub_cmd_digx_encoder_control_data - Encoder control data.
2090 */
2091struct dmub_cmd_digx_encoder_control_data {
2092	union dig_encoder_control_parameters_v1_5 dig; /**< payload */
2093};
2094
2095/**
2096 * struct dmub_rb_cmd_digx_encoder_control - Encoder control command.
2097 */
2098struct dmub_rb_cmd_digx_encoder_control {
2099	struct dmub_cmd_header header;  /**< header */
2100	struct dmub_cmd_digx_encoder_control_data encoder_control; /**< payload */
2101};
2102
2103/**
2104 * struct dmub_cmd_set_pixel_clock_data - Set pixel clock data.
2105 */
2106struct dmub_cmd_set_pixel_clock_data {
2107	struct set_pixel_clock_parameter_v1_7 clk; /**< payload */
2108};
2109
2110/**
2111 * struct dmub_cmd_set_pixel_clock_data - Set pixel clock command.
2112 */
2113struct dmub_rb_cmd_set_pixel_clock {
2114	struct dmub_cmd_header header; /**< header */
2115	struct dmub_cmd_set_pixel_clock_data pixel_clock; /**< payload */
2116};
2117
2118/**
2119 * struct dmub_cmd_enable_disp_power_gating_data - Display power gating.
2120 */
2121struct dmub_cmd_enable_disp_power_gating_data {
2122	struct enable_disp_power_gating_parameters_v2_1 pwr; /**< payload */
2123};
2124
2125/**
2126 * struct dmub_rb_cmd_enable_disp_power_gating - Display power command.
2127 */
2128struct dmub_rb_cmd_enable_disp_power_gating {
2129	struct dmub_cmd_header header; /**< header */
2130	struct dmub_cmd_enable_disp_power_gating_data power_gating;  /**< payload */
2131};
2132
2133/**
2134 * struct dmub_dig_transmitter_control_data_v1_7 - Transmitter control.
2135 */
2136struct dmub_dig_transmitter_control_data_v1_7 {
2137	uint8_t phyid; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
2138	uint8_t action; /**< Defined as ATOM_TRANSMITER_ACTION_xxx */
2139	union {
2140		uint8_t digmode; /**< enum atom_encode_mode_def */
2141		uint8_t dplaneset; /**< DP voltage swing and pre-emphasis value, "DP_LANE_SET__xDB_y_zV" */
2142	} mode_laneset;
2143	uint8_t lanenum; /**< Number of lanes */
2144	union {
2145		uint32_t symclk_10khz; /**< Symbol Clock in 10Khz */
2146	} symclk_units;
2147	uint8_t hpdsel; /**< =1: HPD1, =2: HPD2, ..., =6: HPD6, =0: HPD is not assigned */
2148	uint8_t digfe_sel; /**< DIG front-end selection, bit0 means DIG0 FE is enabled */
2149	uint8_t connobj_id; /**< Connector Object Id defined in ObjectId.h */
2150	uint8_t HPO_instance; /**< HPO instance (0: inst0, 1: inst1) */
2151	uint8_t reserved1; /**< For future use */
2152	uint8_t reserved2[3]; /**< For future use */
2153	uint32_t reserved3[11]; /**< For future use */
2154};
2155
2156/**
2157 * union dmub_cmd_dig1_transmitter_control_data - Transmitter control data.
2158 */
2159union dmub_cmd_dig1_transmitter_control_data {
2160	struct dig_transmitter_control_parameters_v1_6 dig; /**< payload */
2161	struct dmub_dig_transmitter_control_data_v1_7 dig_v1_7;  /**< payload 1.7 */
2162};
2163
2164/**
2165 * struct dmub_rb_cmd_dig1_transmitter_control - Transmitter control command.
2166 */
2167struct dmub_rb_cmd_dig1_transmitter_control {
2168	struct dmub_cmd_header header; /**< header */
2169	union dmub_cmd_dig1_transmitter_control_data transmitter_control; /**< payload */
2170};
2171
2172/**
2173 * struct dmub_rb_cmd_domain_control_data - Data for DOMAIN power control
2174 */
2175struct dmub_rb_cmd_domain_control_data {
2176	uint8_t inst : 6; /**< DOMAIN instance to control */
2177	uint8_t power_gate : 1; /**< 1=power gate, 0=power up */
2178	uint8_t reserved[3]; /**< Reserved for future use */
2179};
2180
2181/**
2182 * struct dmub_rb_cmd_domain_control - Controls DOMAIN power gating
2183 */
2184struct dmub_rb_cmd_domain_control {
2185	struct dmub_cmd_header header; /**< header */
2186	struct dmub_rb_cmd_domain_control_data data; /**< payload */
2187};
2188
2189/**
2190 * DPIA tunnel command parameters.
2191 */
2192struct dmub_cmd_dig_dpia_control_data {
2193	uint8_t enc_id;         /** 0 = ENGINE_ID_DIGA, ... */
2194	uint8_t action;         /** ATOM_TRANSMITER_ACTION_DISABLE/ENABLE/SETUP_VSEMPH */
2195	union {
2196		uint8_t digmode;    /** enum atom_encode_mode_def */
2197		uint8_t dplaneset;  /** DP voltage swing and pre-emphasis value */
2198	} mode_laneset;
2199	uint8_t lanenum;        /** Lane number 1, 2, 4, 8 */
2200	uint32_t symclk_10khz;  /** Symbol Clock in 10Khz */
2201	uint8_t hpdsel;         /** =0: HPD is not assigned */
2202	uint8_t digfe_sel;      /** DIG stream( front-end ) selection, bit0 - DIG0 FE */
2203	uint8_t dpia_id;        /** Index of DPIA */
2204	uint8_t fec_rdy : 1;
2205	uint8_t reserved : 7;
2206	uint32_t reserved1;
2207};
2208
2209/**
2210 * DMUB command for DPIA tunnel control.
2211 */
2212struct dmub_rb_cmd_dig1_dpia_control {
2213	struct dmub_cmd_header header;
2214	struct dmub_cmd_dig_dpia_control_data dpia_control;
2215};
2216
2217/**
2218 * SET_CONFIG Command Payload (deprecated)
2219 */
2220struct set_config_cmd_payload {
2221	uint8_t msg_type; /* set config message type */
2222	uint8_t msg_data; /* set config message data */
2223};
2224
2225/**
2226 * Data passed from driver to FW in a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command. (deprecated)
2227 */
2228struct dmub_cmd_set_config_control_data {
2229	struct set_config_cmd_payload cmd_pkt;
2230	uint8_t instance; /* DPIA instance */
2231	uint8_t immed_status; /* Immediate status returned in case of error */
2232};
2233
2234/**
2235 * SET_CONFIG Request Command Payload
2236 */
2237struct set_config_request_cmd_payload {
2238	uint8_t instance; /* DPIA instance */
2239	uint8_t immed_status; /* Immediate status returned in case of error */
2240	uint8_t msg_type; /* set config message type */
2241	uint8_t reserved;
2242	uint32_t msg_data; /* set config message data */
2243};
2244
2245/**
2246 * DMUB command structure for SET_CONFIG command.
2247 */
2248struct dmub_rb_cmd_set_config_access {
2249	struct dmub_cmd_header header; /* header */
2250	struct dmub_cmd_set_config_control_data set_config_control; /* set config data */
2251};
2252
2253/**
2254 * DMUB command structure for SET_CONFIG request command.
2255 */
2256struct dmub_rb_cmd_set_config_request {
2257	struct dmub_cmd_header header; /* header */
2258	struct set_config_request_cmd_payload payload; /* set config request payload */
2259};
2260
2261/**
2262 * Data passed from driver to FW in a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
2263 */
2264struct dmub_cmd_mst_alloc_slots_control_data {
2265	uint8_t mst_alloc_slots; /* mst slots to be allotted */
2266	uint8_t instance; /* DPIA instance */
2267	uint8_t immed_status; /* Immediate status returned as there is no outbox msg posted */
2268	uint8_t mst_slots_in_use; /* returns slots in use for error cases */
2269};
2270
2271/**
2272 * DMUB command structure for SET_ command.
2273 */
2274struct dmub_rb_cmd_set_mst_alloc_slots {
2275	struct dmub_cmd_header header; /* header */
2276	struct dmub_cmd_mst_alloc_slots_control_data mst_slots_control; /* mst slots control */
2277};
2278
2279/**
2280 * Data passed from driver to FW in a DMUB_CMD__SET_TPS_NOTIFICATION command.
2281 */
2282struct dmub_cmd_tps_notification_data {
2283	uint8_t instance; /* DPIA instance */
2284	uint8_t tps; /* requested training pattern */
2285	uint8_t reserved1;
2286	uint8_t reserved2;
2287};
2288
2289/**
2290 * DMUB command structure for SET_TPS_NOTIFICATION command.
2291 */
2292struct dmub_rb_cmd_set_tps_notification {
2293	struct dmub_cmd_header header; /* header */
2294	struct dmub_cmd_tps_notification_data tps_notification; /* set tps_notification data */
2295};
2296
2297/**
2298 * DMUB command structure for DPIA HPD int enable control.
2299 */
2300struct dmub_rb_cmd_dpia_hpd_int_enable {
2301	struct dmub_cmd_header header; /* header */
2302	uint32_t enable; /* dpia hpd interrupt enable */
2303};
2304
2305/**
2306 * struct dmub_rb_cmd_dpphy_init - DPPHY init.
2307 */
2308struct dmub_rb_cmd_dpphy_init {
2309	struct dmub_cmd_header header; /**< header */
2310	uint8_t reserved[60]; /**< reserved bits */
2311};
2312
2313/**
2314 * enum dp_aux_request_action - DP AUX request command listing.
2315 *
2316 * 4 AUX request command bits are shifted to high nibble.
2317 */
2318enum dp_aux_request_action {
2319	/** I2C-over-AUX write request */
2320	DP_AUX_REQ_ACTION_I2C_WRITE		= 0x00,
2321	/** I2C-over-AUX read request */
2322	DP_AUX_REQ_ACTION_I2C_READ		= 0x10,
2323	/** I2C-over-AUX write status request */
2324	DP_AUX_REQ_ACTION_I2C_STATUS_REQ	= 0x20,
2325	/** I2C-over-AUX write request with MOT=1 */
2326	DP_AUX_REQ_ACTION_I2C_WRITE_MOT		= 0x40,
2327	/** I2C-over-AUX read request with MOT=1 */
2328	DP_AUX_REQ_ACTION_I2C_READ_MOT		= 0x50,
2329	/** I2C-over-AUX write status request with MOT=1 */
2330	DP_AUX_REQ_ACTION_I2C_STATUS_REQ_MOT	= 0x60,
2331	/** Native AUX write request */
2332	DP_AUX_REQ_ACTION_DPCD_WRITE		= 0x80,
2333	/** Native AUX read request */
2334	DP_AUX_REQ_ACTION_DPCD_READ		= 0x90
2335};
2336
2337/**
2338 * enum aux_return_code_type - DP AUX process return code listing.
2339 */
2340enum aux_return_code_type {
2341	/** AUX process succeeded */
2342	AUX_RET_SUCCESS = 0,
2343	/** AUX process failed with unknown reason */
2344	AUX_RET_ERROR_UNKNOWN,
2345	/** AUX process completed with invalid reply */
2346	AUX_RET_ERROR_INVALID_REPLY,
2347	/** AUX process timed out */
2348	AUX_RET_ERROR_TIMEOUT,
2349	/** HPD was low during AUX process */
2350	AUX_RET_ERROR_HPD_DISCON,
2351	/** Failed to acquire AUX engine */
2352	AUX_RET_ERROR_ENGINE_ACQUIRE,
2353	/** AUX request not supported */
2354	AUX_RET_ERROR_INVALID_OPERATION,
2355	/** AUX process not available */
2356	AUX_RET_ERROR_PROTOCOL_ERROR,
2357};
2358
2359/**
2360 * enum aux_channel_type - DP AUX channel type listing.
2361 */
2362enum aux_channel_type {
2363	/** AUX thru Legacy DP AUX */
2364	AUX_CHANNEL_LEGACY_DDC,
2365	/** AUX thru DPIA DP tunneling */
2366	AUX_CHANNEL_DPIA
2367};
2368
2369/**
2370 * struct aux_transaction_parameters - DP AUX request transaction data
2371 */
2372struct aux_transaction_parameters {
2373	uint8_t is_i2c_over_aux; /**< 0=native AUX, 1=I2C-over-AUX */
2374	uint8_t action; /**< enum dp_aux_request_action */
2375	uint8_t length; /**< DP AUX request data length */
2376	uint8_t reserved; /**< For future use */
2377	uint32_t address; /**< DP AUX address */
2378	uint8_t data[16]; /**< DP AUX write data */
2379};
2380
2381/**
2382 * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
2383 */
2384struct dmub_cmd_dp_aux_control_data {
2385	uint8_t instance; /**< AUX instance or DPIA instance */
2386	uint8_t manual_acq_rel_enable; /**< manual control for acquiring or releasing AUX channel */
2387	uint8_t sw_crc_enabled; /**< Use software CRC for tunneling packet instead of hardware CRC */
2388	uint8_t reserved0; /**< For future use */
2389	uint16_t timeout; /**< timeout time in us */
2390	uint16_t reserved1; /**< For future use */
2391	enum aux_channel_type type; /**< enum aux_channel_type */
2392	struct aux_transaction_parameters dpaux; /**< struct aux_transaction_parameters */
2393};
2394
2395/**
2396 * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
2397 */
2398struct dmub_rb_cmd_dp_aux_access {
2399	/**
2400	 * Command header.
2401	 */
2402	struct dmub_cmd_header header;
2403	/**
2404	 * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
2405	 */
2406	struct dmub_cmd_dp_aux_control_data aux_control;
2407};
2408
2409/**
2410 * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
2411 */
2412struct dmub_rb_cmd_outbox1_enable {
2413	/**
2414	 * Command header.
2415	 */
2416	struct dmub_cmd_header header;
2417	/**
2418	 *  enable: 0x0 -> disable outbox1 notification (default value)
2419	 *			0x1 -> enable outbox1 notification
2420	 */
2421	uint32_t enable;
2422};
2423
2424/* DP AUX Reply command - OutBox Cmd */
2425/**
2426 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2427 */
2428struct aux_reply_data {
2429	/**
2430	 * Aux cmd
2431	 */
2432	uint8_t command;
2433	/**
2434	 * Aux reply data length (max: 16 bytes)
2435	 */
2436	uint8_t length;
2437	/**
2438	 * Alignment only
2439	 */
2440	uint8_t pad[2];
2441	/**
2442	 * Aux reply data
2443	 */
2444	uint8_t data[16];
2445};
2446
2447/**
2448 * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2449 */
2450struct aux_reply_control_data {
2451	/**
2452	 * Reserved for future use
2453	 */
2454	uint32_t handle;
2455	/**
2456	 * Aux Instance
2457	 */
2458	uint8_t instance;
2459	/**
2460	 * Aux transaction result: definition in enum aux_return_code_type
2461	 */
2462	uint8_t result;
2463	/**
2464	 * Alignment only
2465	 */
2466	uint16_t pad;
2467};
2468
2469/**
2470 * Definition of a DMUB_OUT_CMD__DP_AUX_REPLY command.
2471 */
2472struct dmub_rb_cmd_dp_aux_reply {
2473	/**
2474	 * Command header.
2475	 */
2476	struct dmub_cmd_header header;
2477	/**
2478	 * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2479	 */
2480	struct aux_reply_control_data control;
2481	/**
2482	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2483	 */
2484	struct aux_reply_data reply_data;
2485};
2486
2487/* DP HPD Notify command - OutBox Cmd */
2488/**
2489 * DP HPD Type
2490 */
2491enum dp_hpd_type {
2492	/**
2493	 * Normal DP HPD
2494	 */
2495	DP_HPD = 0,
2496	/**
2497	 * DP HPD short pulse
2498	 */
2499	DP_IRQ
2500};
2501
2502/**
2503 * DP HPD Status
2504 */
2505enum dp_hpd_status {
2506	/**
2507	 * DP_HPD status low
2508	 */
2509	DP_HPD_UNPLUG = 0,
2510	/**
2511	 * DP_HPD status high
2512	 */
2513	DP_HPD_PLUG
2514};
2515
2516/**
2517 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2518 */
2519struct dp_hpd_data {
2520	/**
2521	 * DP HPD instance
2522	 */
2523	uint8_t instance;
2524	/**
2525	 * HPD type
2526	 */
2527	uint8_t hpd_type;
2528	/**
2529	 * HPD status: only for type: DP_HPD to indicate status
2530	 */
2531	uint8_t hpd_status;
2532	/**
2533	 * Alignment only
2534	 */
2535	uint8_t pad;
2536};
2537
2538/**
2539 * Definition of a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2540 */
2541struct dmub_rb_cmd_dp_hpd_notify {
2542	/**
2543	 * Command header.
2544	 */
2545	struct dmub_cmd_header header;
2546	/**
2547	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2548	 */
2549	struct dp_hpd_data hpd_data;
2550};
2551
2552/**
2553 * Definition of a SET_CONFIG reply from DPOA.
2554 */
2555enum set_config_status {
2556	SET_CONFIG_PENDING = 0,
2557	SET_CONFIG_ACK_RECEIVED,
2558	SET_CONFIG_RX_TIMEOUT,
2559	SET_CONFIG_UNKNOWN_ERROR,
2560};
2561
2562/**
2563 * Definition of a set_config reply
2564 */
2565struct set_config_reply_control_data {
2566	uint8_t instance; /* DPIA Instance */
2567	uint8_t status; /* Set Config reply */
2568	uint16_t pad; /* Alignment */
2569};
2570
2571/**
2572 * Definition of a DMUB_OUT_CMD__SET_CONFIG_REPLY command.
2573 */
2574struct dmub_rb_cmd_dp_set_config_reply {
2575	struct dmub_cmd_header header;
2576	struct set_config_reply_control_data set_config_reply_control;
2577};
2578
2579/**
2580 * Definition of a DPIA notification header
2581 */
2582struct dpia_notification_header {
2583	uint8_t instance; /**< DPIA Instance */
2584	uint8_t reserved[3];
2585	enum dmub_cmd_dpia_notification_type type; /**< DPIA notification type */
2586};
2587
2588/**
2589 * Definition of the common data struct of DPIA notification
2590 */
2591struct dpia_notification_common {
2592	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)
2593								- sizeof(struct dpia_notification_header)];
2594};
2595
2596/**
2597 * Definition of a DPIA notification data
2598 */
2599struct dpia_bw_allocation_notify_data {
2600	union {
2601		struct {
2602			uint16_t cm_bw_alloc_support: 1; /**< USB4 CM BW Allocation mode support */
2603			uint16_t bw_request_failed: 1; /**< BW_Request_Failed */
2604			uint16_t bw_request_succeeded: 1; /**< BW_Request_Succeeded */
2605			uint16_t est_bw_changed: 1; /**< Estimated_BW changed */
2606			uint16_t bw_alloc_cap_changed: 1; /**< BW_Allocation_Capabiity_Changed */
2607			uint16_t reserved: 11; /**< Reserved */
2608		} bits;
2609
2610		uint16_t flags;
2611	};
2612
2613	uint8_t cm_id; /**< CM ID */
2614	uint8_t group_id; /**< Group ID */
2615	uint8_t granularity; /**< BW Allocation Granularity */
2616	uint8_t estimated_bw; /**< Estimated_BW */
2617	uint8_t allocated_bw; /**< Allocated_BW */
2618	uint8_t reserved;
2619};
2620
2621/**
2622 * union dpia_notify_data_type - DPIA Notification in Outbox command
2623 */
2624union dpia_notification_data {
2625	/**
2626	 * DPIA Notification for common data struct
2627	 */
2628	struct dpia_notification_common common_data;
2629
2630	/**
2631	 * DPIA Notification for DP BW Allocation support
2632	 */
2633	struct dpia_bw_allocation_notify_data dpia_bw_alloc;
2634};
2635
2636/**
2637 * Definition of a DPIA notification payload
2638 */
2639struct dpia_notification_payload {
2640	struct dpia_notification_header header;
2641	union dpia_notification_data data; /**< DPIA notification payload data */
2642};
2643
2644/**
2645 * Definition of a DMUB_OUT_CMD__DPIA_NOTIFICATION command.
2646 */
2647struct dmub_rb_cmd_dpia_notification {
2648	struct dmub_cmd_header header; /**< DPIA notification header */
2649	struct dpia_notification_payload payload; /**< DPIA notification payload */
2650};
2651
2652/**
2653 * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
2654 */
2655struct dmub_cmd_hpd_state_query_data {
2656	uint8_t instance; /**< HPD instance or DPIA instance */
2657	uint8_t result; /**< For returning HPD state */
2658	uint16_t pad; /** < Alignment */
2659	enum aux_channel_type ch_type; /**< enum aux_channel_type */
2660	enum aux_return_code_type status; /**< for returning the status of command */
2661};
2662
2663/**
2664 * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
2665 */
2666struct dmub_rb_cmd_query_hpd_state {
2667	/**
2668	 * Command header.
2669	 */
2670	struct dmub_cmd_header header;
2671	/**
2672	 * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
2673	 */
2674	struct dmub_cmd_hpd_state_query_data data;
2675};
2676
2677/**
2678 * struct dmub_rb_cmd_hpd_sense_notify - HPD sense notification data.
2679 */
2680struct dmub_rb_cmd_hpd_sense_notify_data {
2681	uint32_t old_hpd_sense_mask; /**< Old HPD sense mask */
2682	uint32_t new_hpd_sense_mask; /**< New HPD sense mask */
2683};
2684
2685/**
2686 * struct dmub_rb_cmd_hpd_sense_notify - DMUB_OUT_CMD__HPD_SENSE_NOTIFY command.
2687 */
2688struct dmub_rb_cmd_hpd_sense_notify {
2689	struct dmub_cmd_header header; /**< header */
2690	struct dmub_rb_cmd_hpd_sense_notify_data data; /**< payload */
2691};
2692
2693/*
2694 * Command IDs should be treated as stable ABI.
2695 * Do not reuse or modify IDs.
2696 */
2697
2698/**
2699 * PSR command sub-types.
2700 */
2701enum dmub_cmd_psr_type {
2702	/**
2703	 * Set PSR version support.
2704	 */
2705	DMUB_CMD__PSR_SET_VERSION		= 0,
2706	/**
2707	 * Copy driver-calculated parameters to PSR state.
2708	 */
2709	DMUB_CMD__PSR_COPY_SETTINGS		= 1,
2710	/**
2711	 * Enable PSR.
2712	 */
2713	DMUB_CMD__PSR_ENABLE			= 2,
2714
2715	/**
2716	 * Disable PSR.
2717	 */
2718	DMUB_CMD__PSR_DISABLE			= 3,
2719
2720	/**
2721	 * Set PSR level.
2722	 * PSR level is a 16-bit value dicated by driver that
2723	 * will enable/disable different functionality.
2724	 */
2725	DMUB_CMD__PSR_SET_LEVEL			= 4,
2726
2727	/**
2728	 * Forces PSR enabled until an explicit PSR disable call.
2729	 */
2730	DMUB_CMD__PSR_FORCE_STATIC		= 5,
2731	/**
2732	 * Set vtotal in psr active for FreeSync PSR.
2733	 */
2734	DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE = 6,
2735	/**
2736	 * Set PSR power option
2737	 */
2738	DMUB_CMD__SET_PSR_POWER_OPT = 7,
2739};
2740
2741/**
2742 * Different PSR residency modes.
2743 * Different modes change the definition of PSR residency.
2744 */
2745enum psr_residency_mode {
2746	PSR_RESIDENCY_MODE_PHY = 0,
2747	PSR_RESIDENCY_MODE_ALPM,
2748	PSR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
2749	/* Do not add below. */
2750	PSR_RESIDENCY_MODE_LAST_ELEMENT,
2751};
2752
2753enum dmub_cmd_fams_type {
2754	DMUB_CMD__FAMS_SETUP_FW_CTRL	= 0,
2755	DMUB_CMD__FAMS_DRR_UPDATE		= 1,
2756	DMUB_CMD__HANDLE_SUBVP_CMD	= 2, // specifically for SubVP cmd
2757	/**
2758	 * For SubVP set manual trigger in FW because it
2759	 * triggers DRR_UPDATE_PENDING which SubVP relies
2760	 * on (for any SubVP cases that use a DRR display)
2761	 */
2762	DMUB_CMD__FAMS_SET_MANUAL_TRIGGER = 3,
2763	DMUB_CMD__FAMS2_CONFIG = 4,
2764	DMUB_CMD__FAMS2_DRR_UPDATE = 5,
2765	DMUB_CMD__FAMS2_FLIP = 6,
2766};
2767
2768/**
2769 * PSR versions.
2770 */
2771enum psr_version {
2772	/**
2773	 * PSR version 1.
2774	 */
2775	PSR_VERSION_1				= 0,
2776	/**
2777	 * Freesync PSR SU.
2778	 */
2779	PSR_VERSION_SU_1			= 1,
2780	/**
2781	 * PSR not supported.
2782	 */
2783	PSR_VERSION_UNSUPPORTED			= 0xFF,	// psr_version field is only 8 bits wide
2784};
2785
2786/**
2787 * PHY Link rate for DP.
2788 */
2789enum phy_link_rate {
2790	/**
2791	 * not supported.
2792	 */
2793	PHY_RATE_UNKNOWN = 0,
2794	/**
2795	 * Rate_1 (RBR)	- 1.62 Gbps/Lane
2796	 */
2797	PHY_RATE_162 = 1,
2798	/**
2799	 * Rate_2		- 2.16 Gbps/Lane
2800	 */
2801	PHY_RATE_216 = 2,
2802	/**
2803	 * Rate_3		- 2.43 Gbps/Lane
2804	 */
2805	PHY_RATE_243 = 3,
2806	/**
2807	 * Rate_4 (HBR)	- 2.70 Gbps/Lane
2808	 */
2809	PHY_RATE_270 = 4,
2810	/**
2811	 * Rate_5 (RBR2)- 3.24 Gbps/Lane
2812	 */
2813	PHY_RATE_324 = 5,
2814	/**
2815	 * Rate_6		- 4.32 Gbps/Lane
2816	 */
2817	PHY_RATE_432 = 6,
2818	/**
2819	 * Rate_7 (HBR2)- 5.40 Gbps/Lane
2820	 */
2821	PHY_RATE_540 = 7,
2822	/**
2823	 * Rate_8 (HBR3)- 8.10 Gbps/Lane
2824	 */
2825	PHY_RATE_810 = 8,
2826	/**
2827	 * UHBR10 - 10.0 Gbps/Lane
2828	 */
2829	PHY_RATE_1000 = 9,
2830	/**
2831	 * UHBR13.5 - 13.5 Gbps/Lane
2832	 */
2833	PHY_RATE_1350 = 10,
2834	/**
2835	 * UHBR10 - 20.0 Gbps/Lane
2836	 */
2837	PHY_RATE_2000 = 11,
2838
2839	PHY_RATE_675 = 12,
2840	/**
2841	 * Rate 12 - 6.75 Gbps/Lane
2842	 */
2843};
2844
2845/**
2846 * enum dmub_phy_fsm_state - PHY FSM states.
2847 * PHY FSM state to transit to during PSR enable/disable.
2848 */
2849enum dmub_phy_fsm_state {
2850	DMUB_PHY_FSM_POWER_UP_DEFAULT = 0,
2851	DMUB_PHY_FSM_RESET,
2852	DMUB_PHY_FSM_RESET_RELEASED,
2853	DMUB_PHY_FSM_SRAM_LOAD_DONE,
2854	DMUB_PHY_FSM_INITIALIZED,
2855	DMUB_PHY_FSM_CALIBRATED,
2856	DMUB_PHY_FSM_CALIBRATED_LP,
2857	DMUB_PHY_FSM_CALIBRATED_PG,
2858	DMUB_PHY_FSM_POWER_DOWN,
2859	DMUB_PHY_FSM_PLL_EN,
2860	DMUB_PHY_FSM_TX_EN,
2861	DMUB_PHY_FSM_TX_EN_TEST_MODE,
2862	DMUB_PHY_FSM_FAST_LP,
2863	DMUB_PHY_FSM_P2_PLL_OFF_CPM,
2864	DMUB_PHY_FSM_P2_PLL_OFF_PG,
2865	DMUB_PHY_FSM_P2_PLL_OFF,
2866	DMUB_PHY_FSM_P2_PLL_ON,
2867};
2868
2869/**
2870 * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
2871 */
2872struct dmub_cmd_psr_copy_settings_data {
2873	/**
2874	 * Flags that can be set by driver to change some PSR behaviour.
2875	 */
2876	union dmub_psr_debug_flags debug;
2877	/**
2878	 * 16-bit value dicated by driver that will enable/disable different functionality.
2879	 */
2880	uint16_t psr_level;
2881	/**
2882	 * DPP HW instance.
2883	 */
2884	uint8_t dpp_inst;
2885	/**
2886	 * MPCC HW instance.
2887	 * Not used in dmub fw,
2888	 * dmub fw will get active opp by reading odm registers.
2889	 */
2890	uint8_t mpcc_inst;
2891	/**
2892	 * OPP HW instance.
2893	 * Not used in dmub fw,
2894	 * dmub fw will get active opp by reading odm registers.
2895	 */
2896	uint8_t opp_inst;
2897	/**
2898	 * OTG HW instance.
2899	 */
2900	uint8_t otg_inst;
2901	/**
2902	 * DIG FE HW instance.
2903	 */
2904	uint8_t digfe_inst;
2905	/**
2906	 * DIG BE HW instance.
2907	 */
2908	uint8_t digbe_inst;
2909	/**
2910	 * DP PHY HW instance.
2911	 */
2912	uint8_t dpphy_inst;
2913	/**
2914	 * AUX HW instance.
2915	 */
2916	uint8_t aux_inst;
2917	/**
2918	 * Determines if SMU optimzations are enabled/disabled.
2919	 */
2920	uint8_t smu_optimizations_en;
2921	/**
2922	 * Unused.
2923	 * TODO: Remove.
2924	 */
2925	uint8_t frame_delay;
2926	/**
2927	 * If RFB setup time is greater than the total VBLANK time,
2928	 * it is not possible for the sink to capture the video frame
2929	 * in the same frame the SDP is sent. In this case,
2930	 * the frame capture indication bit should be set and an extra
2931	 * static frame should be transmitted to the sink.
2932	 */
2933	uint8_t frame_cap_ind;
2934	/**
2935	 * Granularity of Y offset supported by sink.
2936	 */
2937	uint8_t su_y_granularity;
2938	/**
2939	 * Indicates whether sink should start capturing
2940	 * immediately following active scan line,
2941	 * or starting with the 2nd active scan line.
2942	 */
2943	uint8_t line_capture_indication;
2944	/**
2945	 * Multi-display optimizations are implemented on certain ASICs.
2946	 */
2947	uint8_t multi_disp_optimizations_en;
2948	/**
2949	 * The last possible line SDP may be transmitted without violating
2950	 * the RFB setup time or entering the active video frame.
2951	 */
2952	uint16_t init_sdp_deadline;
2953	/**
2954	 * @ rate_control_caps : Indicate FreeSync PSR Sink Capabilities
2955	 */
2956	uint8_t rate_control_caps ;
2957	/*
2958	 * Force PSRSU always doing full frame update
2959	 */
2960	uint8_t force_ffu_mode;
2961	/**
2962	 * Length of each horizontal line in us.
2963	 */
2964	uint32_t line_time_in_us;
2965	/**
2966	 * FEC enable status in driver
2967	 */
2968	uint8_t fec_enable_status;
2969	/**
2970	 * FEC re-enable delay when PSR exit.
2971	 * unit is 100us, range form 0~255(0xFF).
2972	 */
2973	uint8_t fec_enable_delay_in100us;
2974	/**
2975	 * PSR control version.
2976	 */
2977	uint8_t cmd_version;
2978	/**
2979	 * Panel Instance.
2980	 * Panel instance to identify which psr_state to use
2981	 * Currently the support is only for 0 or 1
2982	 */
2983	uint8_t panel_inst;
2984	/*
2985	 * DSC enable status in driver
2986	 */
2987	uint8_t dsc_enable_status;
2988	/*
2989	 * Use FSM state for PSR power up/down
2990	 */
2991	uint8_t use_phy_fsm;
2992	/**
2993	 * frame delay for frame re-lock
2994	 */
2995	uint8_t relock_delay_frame_cnt;
2996	/**
2997	 * esd recovery indicate.
2998	 */
2999	uint8_t esd_recovery;
3000	/**
3001	 * DSC Slice height.
3002	 */
3003	uint16_t dsc_slice_height;
3004	/**
3005	 * Some panels request main link off before xth vertical line
3006	 */
3007	uint16_t poweroff_before_vertical_line;
3008};
3009
3010/**
3011 * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
3012 */
3013struct dmub_rb_cmd_psr_copy_settings {
3014	/**
3015	 * Command header.
3016	 */
3017	struct dmub_cmd_header header;
3018	/**
3019	 * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
3020	 */
3021	struct dmub_cmd_psr_copy_settings_data psr_copy_settings_data;
3022};
3023
3024/**
3025 * Data passed from driver to FW in a DMUB_CMD__PSR_SET_LEVEL command.
3026 */
3027struct dmub_cmd_psr_set_level_data {
3028	/**
3029	 * 16-bit value dicated by driver that will enable/disable different functionality.
3030	 */
3031	uint16_t psr_level;
3032	/**
3033	 * PSR control version.
3034	 */
3035	uint8_t cmd_version;
3036	/**
3037	 * Panel Instance.
3038	 * Panel instance to identify which psr_state to use
3039	 * Currently the support is only for 0 or 1
3040	 */
3041	uint8_t panel_inst;
3042};
3043
3044/**
3045 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
3046 */
3047struct dmub_rb_cmd_psr_set_level {
3048	/**
3049	 * Command header.
3050	 */
3051	struct dmub_cmd_header header;
3052	/**
3053	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
3054	 */
3055	struct dmub_cmd_psr_set_level_data psr_set_level_data;
3056};
3057
3058struct dmub_rb_cmd_psr_enable_data {
3059	/**
3060	 * PSR control version.
3061	 */
3062	uint8_t cmd_version;
3063	/**
3064	 * Panel Instance.
3065	 * Panel instance to identify which psr_state to use
3066	 * Currently the support is only for 0 or 1
3067	 */
3068	uint8_t panel_inst;
3069	/**
3070	 * Phy state to enter.
3071	 * Values to use are defined in dmub_phy_fsm_state
3072	 */
3073	uint8_t phy_fsm_state;
3074	/**
3075	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
3076	 * Set this using enum phy_link_rate.
3077	 * This does not support HDMI/DP2 for now.
3078	 */
3079	uint8_t phy_rate;
3080};
3081
3082/**
3083 * Definition of a DMUB_CMD__PSR_ENABLE command.
3084 * PSR enable/disable is controlled using the sub_type.
3085 */
3086struct dmub_rb_cmd_psr_enable {
3087	/**
3088	 * Command header.
3089	 */
3090	struct dmub_cmd_header header;
3091
3092	struct dmub_rb_cmd_psr_enable_data data;
3093};
3094
3095/**
3096 * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
3097 */
3098struct dmub_cmd_psr_set_version_data {
3099	/**
3100	 * PSR version that FW should implement.
3101	 */
3102	enum psr_version version;
3103	/**
3104	 * PSR control version.
3105	 */
3106	uint8_t cmd_version;
3107	/**
3108	 * Panel Instance.
3109	 * Panel instance to identify which psr_state to use
3110	 * Currently the support is only for 0 or 1
3111	 */
3112	uint8_t panel_inst;
3113	/**
3114	 * Explicit padding to 4 byte boundary.
3115	 */
3116	uint8_t pad[2];
3117};
3118
3119/**
3120 * Definition of a DMUB_CMD__PSR_SET_VERSION command.
3121 */
3122struct dmub_rb_cmd_psr_set_version {
3123	/**
3124	 * Command header.
3125	 */
3126	struct dmub_cmd_header header;
3127	/**
3128	 * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
3129	 */
3130	struct dmub_cmd_psr_set_version_data psr_set_version_data;
3131};
3132
3133struct dmub_cmd_psr_force_static_data {
3134	/**
3135	 * PSR control version.
3136	 */
3137	uint8_t cmd_version;
3138	/**
3139	 * Panel Instance.
3140	 * Panel instance to identify which psr_state to use
3141	 * Currently the support is only for 0 or 1
3142	 */
3143	uint8_t panel_inst;
3144	/**
3145	 * Explicit padding to 4 byte boundary.
3146	 */
3147	uint8_t pad[2];
3148};
3149
3150/**
3151 * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
3152 */
3153struct dmub_rb_cmd_psr_force_static {
3154	/**
3155	 * Command header.
3156	 */
3157	struct dmub_cmd_header header;
3158	/**
3159	 * Data passed from driver to FW in a DMUB_CMD__PSR_FORCE_STATIC command.
3160	 */
3161	struct dmub_cmd_psr_force_static_data psr_force_static_data;
3162};
3163
3164/**
3165 * PSR SU debug flags.
3166 */
3167union dmub_psr_su_debug_flags {
3168	/**
3169	 * PSR SU debug flags.
3170	 */
3171	struct {
3172		/**
3173		 * Update dirty rect in SW only.
3174		 */
3175		uint8_t update_dirty_rect_only : 1;
3176		/**
3177		 * Reset the cursor/plane state before processing the call.
3178		 */
3179		uint8_t reset_state : 1;
3180	} bitfields;
3181
3182	/**
3183	 * Union for debug flags.
3184	 */
3185	uint32_t u32All;
3186};
3187
3188/**
3189 * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
3190 * This triggers a selective update for PSR SU.
3191 */
3192struct dmub_cmd_update_dirty_rect_data {
3193	/**
3194	 * Dirty rects from OS.
3195	 */
3196	struct dmub_rect src_dirty_rects[DMUB_MAX_DIRTY_RECTS];
3197	/**
3198	 * PSR SU debug flags.
3199	 */
3200	union dmub_psr_su_debug_flags debug_flags;
3201	/**
3202	 * OTG HW instance.
3203	 */
3204	uint8_t pipe_idx;
3205	/**
3206	 * Number of dirty rects.
3207	 */
3208	uint8_t dirty_rect_count;
3209	/**
3210	 * PSR control version.
3211	 */
3212	uint8_t cmd_version;
3213	/**
3214	 * Panel Instance.
3215	 * Panel instance to identify which psr_state to use
3216	 * Currently the support is only for 0 or 1
3217	 */
3218	uint8_t panel_inst;
3219};
3220
3221/**
3222 * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
3223 */
3224struct dmub_rb_cmd_update_dirty_rect {
3225	/**
3226	 * Command header.
3227	 */
3228	struct dmub_cmd_header header;
3229	/**
3230	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
3231	 */
3232	struct dmub_cmd_update_dirty_rect_data update_dirty_rect_data;
3233};
3234
3235/**
3236 * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
3237 */
3238union dmub_reg_cursor_control_cfg {
3239	struct {
3240		uint32_t     cur_enable: 1;
3241		uint32_t         reser0: 3;
3242		uint32_t cur_2x_magnify: 1;
3243		uint32_t         reser1: 3;
3244		uint32_t           mode: 3;
3245		uint32_t         reser2: 5;
3246		uint32_t          pitch: 2;
3247		uint32_t         reser3: 6;
3248		uint32_t line_per_chunk: 5;
3249		uint32_t         reser4: 3;
3250	} bits;
3251	uint32_t raw;
3252};
3253struct dmub_cursor_position_cache_hubp {
3254	union dmub_reg_cursor_control_cfg cur_ctl;
3255	union dmub_reg_position_cfg {
3256		struct {
3257			uint32_t cur_x_pos: 16;
3258			uint32_t cur_y_pos: 16;
3259		} bits;
3260		uint32_t raw;
3261	} position;
3262	union dmub_reg_hot_spot_cfg {
3263		struct {
3264			uint32_t hot_x: 16;
3265			uint32_t hot_y: 16;
3266		} bits;
3267		uint32_t raw;
3268	} hot_spot;
3269	union dmub_reg_dst_offset_cfg {
3270		struct {
3271			uint32_t dst_x_offset: 13;
3272			uint32_t reserved: 19;
3273		} bits;
3274		uint32_t raw;
3275	} dst_offset;
3276};
3277
3278union dmub_reg_cur0_control_cfg {
3279	struct {
3280		uint32_t     cur0_enable: 1;
3281		uint32_t  expansion_mode: 1;
3282		uint32_t          reser0: 1;
3283		uint32_t     cur0_rom_en: 1;
3284		uint32_t            mode: 3;
3285		uint32_t        reserved: 25;
3286	} bits;
3287	uint32_t raw;
3288};
3289struct dmub_cursor_position_cache_dpp {
3290	union dmub_reg_cur0_control_cfg cur0_ctl;
3291};
3292struct dmub_cursor_position_cfg {
3293	struct  dmub_cursor_position_cache_hubp pHubp;
3294	struct  dmub_cursor_position_cache_dpp  pDpp;
3295	uint8_t pipe_idx;
3296	/*
3297	 * Padding is required. To be 4 Bytes Aligned.
3298	 */
3299	uint8_t padding[3];
3300};
3301
3302struct dmub_cursor_attribute_cache_hubp {
3303	uint32_t SURFACE_ADDR_HIGH;
3304	uint32_t SURFACE_ADDR;
3305	union    dmub_reg_cursor_control_cfg  cur_ctl;
3306	union    dmub_reg_cursor_size_cfg {
3307		struct {
3308			uint32_t width: 16;
3309			uint32_t height: 16;
3310		} bits;
3311		uint32_t raw;
3312	} size;
3313	union    dmub_reg_cursor_settings_cfg {
3314		struct {
3315			uint32_t     dst_y_offset: 8;
3316			uint32_t chunk_hdl_adjust: 2;
3317			uint32_t         reserved: 22;
3318		} bits;
3319		uint32_t raw;
3320	} settings;
3321};
3322struct dmub_cursor_attribute_cache_dpp {
3323	union dmub_reg_cur0_control_cfg cur0_ctl;
3324};
3325struct dmub_cursor_attributes_cfg {
3326	struct  dmub_cursor_attribute_cache_hubp aHubp;
3327	struct  dmub_cursor_attribute_cache_dpp  aDpp;
3328};
3329
3330struct dmub_cmd_update_cursor_payload0 {
3331	/**
3332	 * Cursor dirty rects.
3333	 */
3334	struct dmub_rect cursor_rect;
3335	/**
3336	 * PSR SU debug flags.
3337	 */
3338	union dmub_psr_su_debug_flags debug_flags;
3339	/**
3340	 * Cursor enable/disable.
3341	 */
3342	uint8_t enable;
3343	/**
3344	 * OTG HW instance.
3345	 */
3346	uint8_t pipe_idx;
3347	/**
3348	 * PSR control version.
3349	 */
3350	uint8_t cmd_version;
3351	/**
3352	 * Panel Instance.
3353	 * Panel instance to identify which psr_state to use
3354	 * Currently the support is only for 0 or 1
3355	 */
3356	uint8_t panel_inst;
3357	/**
3358	 * Cursor Position Register.
3359	 * Registers contains Hubp & Dpp modules
3360	 */
3361	struct dmub_cursor_position_cfg position_cfg;
3362};
3363
3364struct dmub_cmd_update_cursor_payload1 {
3365	struct dmub_cursor_attributes_cfg attribute_cfg;
3366};
3367
3368union dmub_cmd_update_cursor_info_data {
3369	struct dmub_cmd_update_cursor_payload0 payload0;
3370	struct dmub_cmd_update_cursor_payload1 payload1;
3371};
3372/**
3373 * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
3374 */
3375struct dmub_rb_cmd_update_cursor_info {
3376	/**
3377	 * Command header.
3378	 */
3379	struct dmub_cmd_header header;
3380	/**
3381	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
3382	 */
3383	union dmub_cmd_update_cursor_info_data update_cursor_info_data;
3384};
3385
3386/**
3387 * Data passed from driver to FW in a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3388 */
3389struct dmub_cmd_psr_set_vtotal_data {
3390	/**
3391	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when screen idle..
3392	 */
3393	uint16_t psr_vtotal_idle;
3394	/**
3395	 * PSR control version.
3396	 */
3397	uint8_t cmd_version;
3398	/**
3399	 * Panel Instance.
3400	 * Panel instance to identify which psr_state to use
3401	 * Currently the support is only for 0 or 1
3402	 */
3403	uint8_t panel_inst;
3404	/*
3405	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when doing SU/FFU.
3406	 */
3407	uint16_t psr_vtotal_su;
3408	/**
3409	 * Explicit padding to 4 byte boundary.
3410	 */
3411	uint8_t pad2[2];
3412};
3413
3414/**
3415 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3416 */
3417struct dmub_rb_cmd_psr_set_vtotal {
3418	/**
3419	 * Command header.
3420	 */
3421	struct dmub_cmd_header header;
3422	/**
3423	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3424	 */
3425	struct dmub_cmd_psr_set_vtotal_data psr_set_vtotal_data;
3426};
3427
3428/**
3429 * Data passed from driver to FW in a DMUB_CMD__SET_PSR_POWER_OPT command.
3430 */
3431struct dmub_cmd_psr_set_power_opt_data {
3432	/**
3433	 * PSR control version.
3434	 */
3435	uint8_t cmd_version;
3436	/**
3437	 * Panel Instance.
3438	 * Panel instance to identify which psr_state to use
3439	 * Currently the support is only for 0 or 1
3440	 */
3441	uint8_t panel_inst;
3442	/**
3443	 * Explicit padding to 4 byte boundary.
3444	 */
3445	uint8_t pad[2];
3446	/**
3447	 * PSR power option
3448	 */
3449	uint32_t power_opt;
3450};
3451
3452/**
3453 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
3454 */
3455struct dmub_rb_cmd_psr_set_power_opt {
3456	/**
3457	 * Command header.
3458	 */
3459	struct dmub_cmd_header header;
3460	/**
3461	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
3462	 */
3463	struct dmub_cmd_psr_set_power_opt_data psr_set_power_opt_data;
3464};
3465
3466/**
3467 * Definition of Replay Residency GPINT command.
3468 * Bit[0] - Residency mode for Revision 0
3469 * Bit[1] - Enable/Disable state
3470 * Bit[2-3] - Revision number
3471 * Bit[4-7] - Residency mode for Revision 1
3472 * Bit[8] - Panel instance
3473 * Bit[9-15] - Reserved
3474 */
3475
3476enum pr_residency_mode {
3477	PR_RESIDENCY_MODE_PHY = 0x0,
3478	PR_RESIDENCY_MODE_ALPM,
3479	PR_RESIDENCY_MODE_IPS2,
3480	PR_RESIDENCY_MODE_FRAME_CNT,
3481	PR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
3482};
3483
3484#define REPLAY_RESIDENCY_MODE_SHIFT            (0)
3485#define REPLAY_RESIDENCY_ENABLE_SHIFT          (1)
3486#define REPLAY_RESIDENCY_REVISION_SHIFT        (2)
3487#define REPLAY_RESIDENCY_MODE2_SHIFT           (4)
3488
3489#define REPLAY_RESIDENCY_MODE_MASK             (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
3490# define REPLAY_RESIDENCY_FIELD_MODE_PHY       (0x0 << REPLAY_RESIDENCY_MODE_SHIFT)
3491# define REPLAY_RESIDENCY_FIELD_MODE_ALPM      (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
3492
3493#define REPLAY_RESIDENCY_MODE2_MASK            (0xF << REPLAY_RESIDENCY_MODE2_SHIFT)
3494# define REPLAY_RESIDENCY_FIELD_MODE2_IPS      (0x1 << REPLAY_RESIDENCY_MODE2_SHIFT)
3495# define REPLAY_RESIDENCY_FIELD_MODE2_FRAME_CNT    (0x2 << REPLAY_RESIDENCY_MODE2_SHIFT)
3496# define REPLAY_RESIDENCY_FIELD_MODE2_EN_PERIOD	(0x3 << REPLAY_RESIDENCY_MODE2_SHIFT)
3497
3498#define REPLAY_RESIDENCY_ENABLE_MASK           (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3499# define REPLAY_RESIDENCY_DISABLE              (0x0 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3500# define REPLAY_RESIDENCY_ENABLE               (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3501
3502#define REPLAY_RESIDENCY_REVISION_MASK         (0x3 << REPLAY_RESIDENCY_REVISION_SHIFT)
3503# define REPLAY_RESIDENCY_REVISION_0           (0x0 << REPLAY_RESIDENCY_REVISION_SHIFT)
3504# define REPLAY_RESIDENCY_REVISION_1           (0x1 << REPLAY_RESIDENCY_REVISION_SHIFT)
3505
3506/**
3507 * Definition of a replay_state.
3508 */
3509enum replay_state {
3510	REPLAY_STATE_0			= 0x0,
3511	REPLAY_STATE_1			= 0x10,
3512	REPLAY_STATE_1A			= 0x11,
3513	REPLAY_STATE_2			= 0x20,
3514	REPLAY_STATE_2A			= 0x21,
3515	REPLAY_STATE_3			= 0x30,
3516	REPLAY_STATE_3INIT		= 0x31,
3517	REPLAY_STATE_4			= 0x40,
3518	REPLAY_STATE_4A			= 0x41,
3519	REPLAY_STATE_4B			= 0x42,
3520	REPLAY_STATE_4C			= 0x43,
3521	REPLAY_STATE_4D			= 0x44,
3522	REPLAY_STATE_4E			= 0x45,
3523	REPLAY_STATE_4B_LOCKED		= 0x4A,
3524	REPLAY_STATE_4C_UNLOCKED	= 0x4B,
3525	REPLAY_STATE_5			= 0x50,
3526	REPLAY_STATE_5A			= 0x51,
3527	REPLAY_STATE_5B			= 0x52,
3528	REPLAY_STATE_5A_LOCKED		= 0x5A,
3529	REPLAY_STATE_5B_UNLOCKED	= 0x5B,
3530	REPLAY_STATE_6			= 0x60,
3531	REPLAY_STATE_6A			= 0x61,
3532	REPLAY_STATE_6B			= 0x62,
3533	REPLAY_STATE_INVALID		= 0xFF,
3534};
3535
3536/**
3537 * Replay command sub-types.
3538 */
3539enum dmub_cmd_replay_type {
3540	/**
3541	 * Copy driver-calculated parameters to REPLAY state.
3542	 */
3543	DMUB_CMD__REPLAY_COPY_SETTINGS		= 0,
3544	/**
3545	 * Enable REPLAY.
3546	 */
3547	DMUB_CMD__REPLAY_ENABLE			= 1,
3548	/**
3549	 * Set Replay power option.
3550	 */
3551	DMUB_CMD__SET_REPLAY_POWER_OPT		= 2,
3552	/**
3553	 * Set coasting vtotal.
3554	 */
3555	DMUB_CMD__REPLAY_SET_COASTING_VTOTAL	= 3,
3556	/**
3557	 * Set power opt and coasting vtotal.
3558	 */
3559	DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL	= 4,
3560	/**
3561	 * Set disabled iiming sync.
3562	 */
3563	DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED	= 5,
3564	/**
3565	 * Set Residency Frameupdate Timer.
3566	 */
3567	DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER = 6,
3568	/**
3569	 * Set pseudo vtotal
3570	 */
3571	DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL = 7,
3572	/**
3573	 * Set adaptive sync sdp enabled
3574	 */
3575	DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP = 8,
3576	/**
3577	 * Set Replay General command.
3578	 */
3579	DMUB_CMD__REPLAY_SET_GENERAL_CMD = 16,
3580};
3581
3582/**
3583 * Replay general command sub-types.
3584 */
3585enum dmub_cmd_replay_general_subtype {
3586	REPLAY_GENERAL_CMD_NOT_SUPPORTED = -1,
3587	/**
3588	 * TODO: For backward compatible, allow new command only.
3589	 * REPLAY_GENERAL_CMD_SET_TIMING_SYNC_SUPPORTED,
3590	 * REPLAY_GENERAL_CMD_SET_RESIDENCY_FRAMEUPDATE_TIMER,
3591	 * REPLAY_GENERAL_CMD_SET_PSEUDO_VTOTAL,
3592	 */
3593	REPLAY_GENERAL_CMD_DISABLED_ADAPTIVE_SYNC_SDP,
3594	REPLAY_GENERAL_CMD_DISABLED_DESYNC_ERROR_DETECTION,
3595};
3596
3597/**
3598 * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
3599 */
3600struct dmub_cmd_replay_copy_settings_data {
3601	/**
3602	 * Flags that can be set by driver to change some replay behaviour.
3603	 */
3604	union replay_debug_flags debug;
3605
3606	/**
3607	 * @flags: Flags used to determine feature functionality.
3608	 */
3609	union replay_hw_flags flags;
3610
3611	/**
3612	 * DPP HW instance.
3613	 */
3614	uint8_t dpp_inst;
3615	/**
3616	 * OTG HW instance.
3617	 */
3618	uint8_t otg_inst;
3619	/**
3620	 * DIG FE HW instance.
3621	 */
3622	uint8_t digfe_inst;
3623	/**
3624	 * DIG BE HW instance.
3625	 */
3626	uint8_t digbe_inst;
3627	/**
3628	 * AUX HW instance.
3629	 */
3630	uint8_t aux_inst;
3631	/**
3632	 * Panel Instance.
3633	 * Panel isntance to identify which psr_state to use
3634	 * Currently the support is only for 0 or 1
3635	 */
3636	uint8_t panel_inst;
3637	/**
3638	 * @pixel_deviation_per_line: Indicate the maximum pixel deviation per line compare
3639	 * to Source timing when Sink maintains coasting vtotal during the Replay normal sleep mode
3640	 */
3641	uint8_t pixel_deviation_per_line;
3642	/**
3643	 * @max_deviation_line: The max number of deviation line that can keep the timing
3644	 * synchronized between the Source and Sink during Replay normal sleep mode.
3645	 */
3646	uint8_t max_deviation_line;
3647	/**
3648	 * Length of each horizontal line in ns.
3649	 */
3650	uint32_t line_time_in_ns;
3651	/**
3652	 * PHY instance.
3653	 */
3654	uint8_t dpphy_inst;
3655	/**
3656	 * Determines if SMU optimzations are enabled/disabled.
3657	 */
3658	uint8_t smu_optimizations_en;
3659	/**
3660	 * Determines if timing sync are enabled/disabled.
3661	 */
3662	uint8_t replay_timing_sync_supported;
3663	/*
3664	 * Use FSM state for Replay power up/down
3665	 */
3666	uint8_t use_phy_fsm;
3667};
3668
3669/**
3670 * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
3671 */
3672struct dmub_rb_cmd_replay_copy_settings {
3673	/**
3674	 * Command header.
3675	 */
3676	struct dmub_cmd_header header;
3677	/**
3678	 * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
3679	 */
3680	struct dmub_cmd_replay_copy_settings_data replay_copy_settings_data;
3681};
3682
3683/**
3684 * Replay disable / enable state for dmub_rb_cmd_replay_enable_data.enable
3685 */
3686enum replay_enable {
3687	/**
3688	 * Disable REPLAY.
3689	 */
3690	REPLAY_DISABLE				= 0,
3691	/**
3692	 * Enable REPLAY.
3693	 */
3694	REPLAY_ENABLE				= 1,
3695};
3696
3697/**
3698 * Data passed from driver to FW in a DMUB_CMD__REPLAY_ENABLE command.
3699 */
3700struct dmub_rb_cmd_replay_enable_data {
3701	/**
3702	 * Replay enable or disable.
3703	 */
3704	uint8_t enable;
3705	/**
3706	 * Panel Instance.
3707	 * Panel isntance to identify which replay_state to use
3708	 * Currently the support is only for 0 or 1
3709	 */
3710	uint8_t panel_inst;
3711	/**
3712	 * Phy state to enter.
3713	 * Values to use are defined in dmub_phy_fsm_state
3714	 */
3715	uint8_t phy_fsm_state;
3716	/**
3717	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
3718	 * Set this using enum phy_link_rate.
3719	 * This does not support HDMI/DP2 for now.
3720	 */
3721	uint8_t phy_rate;
3722};
3723
3724/**
3725 * Definition of a DMUB_CMD__REPLAY_ENABLE command.
3726 * Replay enable/disable is controlled using action in data.
3727 */
3728struct dmub_rb_cmd_replay_enable {
3729	/**
3730	 * Command header.
3731	 */
3732	struct dmub_cmd_header header;
3733
3734	struct dmub_rb_cmd_replay_enable_data data;
3735};
3736
3737/**
3738 * Data passed from driver to FW in a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3739 */
3740struct dmub_cmd_replay_set_power_opt_data {
3741	/**
3742	 * Panel Instance.
3743	 * Panel isntance to identify which replay_state to use
3744	 * Currently the support is only for 0 or 1
3745	 */
3746	uint8_t panel_inst;
3747	/**
3748	 * Explicit padding to 4 byte boundary.
3749	 */
3750	uint8_t pad[3];
3751	/**
3752	 * REPLAY power option
3753	 */
3754	uint32_t power_opt;
3755};
3756
3757/**
3758 * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
3759 */
3760struct dmub_cmd_replay_set_timing_sync_data {
3761	/**
3762	 * Panel Instance.
3763	 * Panel isntance to identify which replay_state to use
3764	 * Currently the support is only for 0 or 1
3765	 */
3766	uint8_t panel_inst;
3767	/**
3768	 * REPLAY set_timing_sync
3769	 */
3770	uint8_t timing_sync_supported;
3771	/**
3772	 * Explicit padding to 4 byte boundary.
3773	 */
3774	uint8_t pad[2];
3775};
3776
3777/**
3778 * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
3779 */
3780struct dmub_cmd_replay_set_pseudo_vtotal {
3781	/**
3782	 * Panel Instance.
3783	 * Panel isntance to identify which replay_state to use
3784	 * Currently the support is only for 0 or 1
3785	 */
3786	uint8_t panel_inst;
3787	/**
3788	 * Source Vtotal that Replay + IPS + ABM full screen video src vtotal
3789	 */
3790	uint16_t vtotal;
3791	/**
3792	 * Explicit padding to 4 byte boundary.
3793	 */
3794	uint8_t pad;
3795};
3796struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data {
3797	/**
3798	 * Panel Instance.
3799	 * Panel isntance to identify which replay_state to use
3800	 * Currently the support is only for 0 or 1
3801	 */
3802	uint8_t panel_inst;
3803	/**
3804	 * enabled: set adaptive sync sdp enabled
3805	 */
3806	uint8_t force_disabled;
3807
3808	uint8_t pad[2];
3809};
3810struct dmub_cmd_replay_set_general_cmd_data {
3811	/**
3812	 * Panel Instance.
3813	 * Panel isntance to identify which replay_state to use
3814	 * Currently the support is only for 0 or 1
3815	 */
3816	uint8_t panel_inst;
3817	/**
3818	 * subtype: replay general cmd sub type
3819	 */
3820	uint8_t subtype;
3821
3822	uint8_t pad[2];
3823	/**
3824	 * config data with param1 and param2
3825	 */
3826	uint32_t param1;
3827
3828	uint32_t param2;
3829};
3830
3831/**
3832 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3833 */
3834struct dmub_rb_cmd_replay_set_power_opt {
3835	/**
3836	 * Command header.
3837	 */
3838	struct dmub_cmd_header header;
3839	/**
3840	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3841	 */
3842	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
3843};
3844
3845/**
3846 * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3847 */
3848struct dmub_cmd_replay_set_coasting_vtotal_data {
3849	/**
3850	 * 16-bit value dicated by driver that indicates the coasting vtotal.
3851	 */
3852	uint16_t coasting_vtotal;
3853	/**
3854	 * REPLAY control version.
3855	 */
3856	uint8_t cmd_version;
3857	/**
3858	 * Panel Instance.
3859	 * Panel isntance to identify which replay_state to use
3860	 * Currently the support is only for 0 or 1
3861	 */
3862	uint8_t panel_inst;
3863	/**
3864	 * 16-bit value dicated by driver that indicates the coasting vtotal high byte part.
3865	 */
3866	uint16_t coasting_vtotal_high;
3867	/**
3868	 * Explicit padding to 4 byte boundary.
3869	 */
3870	uint8_t pad[2];
3871};
3872
3873/**
3874 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3875 */
3876struct dmub_rb_cmd_replay_set_coasting_vtotal {
3877	/**
3878	 * Command header.
3879	 */
3880	struct dmub_cmd_header header;
3881	/**
3882	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3883	 */
3884	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
3885};
3886
3887/**
3888 * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
3889 */
3890struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal {
3891	/**
3892	 * Command header.
3893	 */
3894	struct dmub_cmd_header header;
3895	/**
3896	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3897	 */
3898	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
3899	/**
3900	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3901	 */
3902	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
3903};
3904
3905/**
3906 * Definition of a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
3907 */
3908struct dmub_rb_cmd_replay_set_timing_sync {
3909	/**
3910	 * Command header.
3911	 */
3912	struct dmub_cmd_header header;
3913	/**
3914	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
3915	 */
3916	struct dmub_cmd_replay_set_timing_sync_data replay_set_timing_sync_data;
3917};
3918
3919/**
3920 * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
3921 */
3922struct dmub_rb_cmd_replay_set_pseudo_vtotal {
3923	/**
3924	 * Command header.
3925	 */
3926	struct dmub_cmd_header header;
3927	/**
3928	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
3929	 */
3930	struct dmub_cmd_replay_set_pseudo_vtotal data;
3931};
3932
3933/**
3934 * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
3935 */
3936struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp {
3937	/**
3938	 * Command header.
3939	 */
3940	struct dmub_cmd_header header;
3941	/**
3942	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
3943	 */
3944	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data data;
3945};
3946
3947/**
3948 * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
3949 */
3950struct dmub_rb_cmd_replay_set_general_cmd {
3951	/**
3952	 * Command header.
3953	 */
3954	struct dmub_cmd_header header;
3955	/**
3956	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
3957	 */
3958	struct dmub_cmd_replay_set_general_cmd_data data;
3959};
3960
3961/**
3962 * Data passed from driver to FW in  DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
3963 */
3964struct dmub_cmd_replay_frameupdate_timer_data {
3965	/**
3966	 * Panel Instance.
3967	 * Panel isntance to identify which replay_state to use
3968	 * Currently the support is only for 0 or 1
3969	 */
3970	uint8_t panel_inst;
3971	/**
3972	 * Replay Frameupdate Timer Enable or not
3973	 */
3974	uint8_t enable;
3975	/**
3976	 * REPLAY force reflash frame update number
3977	 */
3978	uint16_t frameupdate_count;
3979};
3980/**
3981 * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER
3982 */
3983struct dmub_rb_cmd_replay_set_frameupdate_timer {
3984	/**
3985	 * Command header.
3986	 */
3987	struct dmub_cmd_header header;
3988	/**
3989	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3990	 */
3991	struct dmub_cmd_replay_frameupdate_timer_data data;
3992};
3993
3994/**
3995 * Definition union of replay command set
3996 */
3997union dmub_replay_cmd_set {
3998	/**
3999	 * Panel Instance.
4000	 * Panel isntance to identify which replay_state to use
4001	 * Currently the support is only for 0 or 1
4002	 */
4003	uint8_t panel_inst;
4004	/**
4005	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command data.
4006	 */
4007	struct dmub_cmd_replay_set_timing_sync_data sync_data;
4008	/**
4009	 * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command data.
4010	 */
4011	struct dmub_cmd_replay_frameupdate_timer_data timer_data;
4012	/**
4013	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command data.
4014	 */
4015	struct dmub_cmd_replay_set_pseudo_vtotal pseudo_vtotal_data;
4016	/**
4017	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command data.
4018	 */
4019	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data disabled_adaptive_sync_sdp_data;
4020	/**
4021	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command data.
4022	 */
4023	struct dmub_cmd_replay_set_general_cmd_data set_general_cmd_data;
4024};
4025
4026/**
4027 * Set of HW components that can be locked.
4028 *
4029 * Note: If updating with more HW components, fields
4030 * in dmub_inbox0_cmd_lock_hw must be updated to match.
4031 */
4032union dmub_hw_lock_flags {
4033	/**
4034	 * Set of HW components that can be locked.
4035	 */
4036	struct {
4037		/**
4038		 * Lock/unlock OTG master update lock.
4039		 */
4040		uint8_t lock_pipe   : 1;
4041		/**
4042		 * Lock/unlock cursor.
4043		 */
4044		uint8_t lock_cursor : 1;
4045		/**
4046		 * Lock/unlock global update lock.
4047		 */
4048		uint8_t lock_dig    : 1;
4049		/**
4050		 * Triple buffer lock requires additional hw programming to usual OTG master lock.
4051		 */
4052		uint8_t triple_buffer_lock : 1;
4053	} bits;
4054
4055	/**
4056	 * Union for HW Lock flags.
4057	 */
4058	uint8_t u8All;
4059};
4060
4061/**
4062 * Instances of HW to be locked.
4063 *
4064 * Note: If updating with more HW components, fields
4065 * in dmub_inbox0_cmd_lock_hw must be updated to match.
4066 */
4067struct dmub_hw_lock_inst_flags {
4068	/**
4069	 * OTG HW instance for OTG master update lock.
4070	 */
4071	uint8_t otg_inst;
4072	/**
4073	 * OPP instance for cursor lock.
4074	 */
4075	uint8_t opp_inst;
4076	/**
4077	 * OTG HW instance for global update lock.
4078	 * TODO: Remove, and re-use otg_inst.
4079	 */
4080	uint8_t dig_inst;
4081	/**
4082	 * Explicit pad to 4 byte boundary.
4083	 */
4084	uint8_t pad;
4085};
4086
4087/**
4088 * Clients that can acquire the HW Lock Manager.
4089 *
4090 * Note: If updating with more clients, fields in
4091 * dmub_inbox0_cmd_lock_hw must be updated to match.
4092 */
4093enum hw_lock_client {
4094	/**
4095	 * Driver is the client of HW Lock Manager.
4096	 */
4097	HW_LOCK_CLIENT_DRIVER = 0,
4098	/**
4099	 * PSR SU is the client of HW Lock Manager.
4100	 */
4101	HW_LOCK_CLIENT_PSR_SU		= 1,
4102	HW_LOCK_CLIENT_SUBVP = 3,
4103	/**
4104	 * Replay is the client of HW Lock Manager.
4105	 */
4106	HW_LOCK_CLIENT_REPLAY		= 4,
4107	HW_LOCK_CLIENT_FAMS2 = 5,
4108	/**
4109	 * Invalid client.
4110	 */
4111	HW_LOCK_CLIENT_INVALID = 0xFFFFFFFF,
4112};
4113
4114/**
4115 * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
4116 */
4117struct dmub_cmd_lock_hw_data {
4118	/**
4119	 * Specifies the client accessing HW Lock Manager.
4120	 */
4121	enum hw_lock_client client;
4122	/**
4123	 * HW instances to be locked.
4124	 */
4125	struct dmub_hw_lock_inst_flags inst_flags;
4126	/**
4127	 * Which components to be locked.
4128	 */
4129	union dmub_hw_lock_flags hw_locks;
4130	/**
4131	 * Specifies lock/unlock.
4132	 */
4133	uint8_t lock;
4134	/**
4135	 * HW can be unlocked separately from releasing the HW Lock Mgr.
4136	 * This flag is set if the client wishes to release the object.
4137	 */
4138	uint8_t should_release;
4139	/**
4140	 * Explicit padding to 4 byte boundary.
4141	 */
4142	uint8_t pad;
4143};
4144
4145/**
4146 * Definition of a DMUB_CMD__HW_LOCK command.
4147 * Command is used by driver and FW.
4148 */
4149struct dmub_rb_cmd_lock_hw {
4150	/**
4151	 * Command header.
4152	 */
4153	struct dmub_cmd_header header;
4154	/**
4155	 * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
4156	 */
4157	struct dmub_cmd_lock_hw_data lock_hw_data;
4158};
4159
4160/**
4161 * ABM command sub-types.
4162 */
4163enum dmub_cmd_abm_type {
4164	/**
4165	 * Initialize parameters for ABM algorithm.
4166	 * Data is passed through an indirect buffer.
4167	 */
4168	DMUB_CMD__ABM_INIT_CONFIG	= 0,
4169	/**
4170	 * Set OTG and panel HW instance.
4171	 */
4172	DMUB_CMD__ABM_SET_PIPE		= 1,
4173	/**
4174	 * Set user requested backklight level.
4175	 */
4176	DMUB_CMD__ABM_SET_BACKLIGHT	= 2,
4177	/**
4178	 * Set ABM operating/aggression level.
4179	 */
4180	DMUB_CMD__ABM_SET_LEVEL		= 3,
4181	/**
4182	 * Set ambient light level.
4183	 */
4184	DMUB_CMD__ABM_SET_AMBIENT_LEVEL	= 4,
4185	/**
4186	 * Enable/disable fractional duty cycle for backlight PWM.
4187	 */
4188	DMUB_CMD__ABM_SET_PWM_FRAC	= 5,
4189
4190	/**
4191	 * unregister vertical interrupt after steady state is reached
4192	 */
4193	DMUB_CMD__ABM_PAUSE	= 6,
4194
4195	/**
4196	 * Save and Restore ABM state. On save we save parameters, and
4197	 * on restore we update state with passed in data.
4198	 */
4199	DMUB_CMD__ABM_SAVE_RESTORE	= 7,
4200
4201	/**
4202	 * Query ABM caps.
4203	 */
4204	DMUB_CMD__ABM_QUERY_CAPS	= 8,
4205
4206	/**
4207	 * Set ABM Events
4208	 */
4209	DMUB_CMD__ABM_SET_EVENT	= 9,
4210
4211	/**
4212	 * Get the current ACE curve.
4213	 */
4214	DMUB_CMD__ABM_GET_ACE_CURVE = 10,
4215};
4216
4217struct abm_ace_curve {
4218	/**
4219	 * @offsets: ACE curve offsets.
4220	 */
4221	uint32_t offsets[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4222
4223	/**
4224	 * @thresholds: ACE curve thresholds.
4225	 */
4226	uint32_t thresholds[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4227
4228	/**
4229	 * @slopes: ACE curve slopes.
4230	 */
4231	uint32_t slopes[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4232};
4233
4234struct fixed_pt_format {
4235	/**
4236	 * @sign_bit: Indicates whether one bit is reserved for the sign.
4237	 */
4238	bool sign_bit;
4239
4240	/**
4241	 * @num_int_bits: Number of bits used for integer part.
4242	 */
4243	uint8_t num_int_bits;
4244
4245	/**
4246	 * @num_frac_bits: Number of bits used for fractional part.
4247	 */
4248	uint8_t num_frac_bits;
4249
4250	/**
4251	 * @pad: Explicit padding to 4 byte boundary.
4252	 */
4253	uint8_t pad;
4254};
4255
4256struct abm_caps {
4257	/**
4258	 * @num_hg_bins: Number of histogram bins.
4259	 */
4260	uint8_t num_hg_bins;
4261
4262	/**
4263	 * @num_ace_segments: Number of ACE curve segments.
4264	 */
4265	uint8_t num_ace_segments;
4266
4267	/**
4268	 * @pad: Explicit padding to 4 byte boundary.
4269	 */
4270	uint8_t pad[2];
4271
4272	/**
4273	 * @ace_thresholds_format: Format of the ACE thresholds. If not programmable, it is set to 0.
4274	 */
4275	struct fixed_pt_format ace_thresholds_format;
4276
4277	/**
4278	 * @ace_offsets_format: Format of the ACE offsets. If not programmable, it is set to 0.
4279	 */
4280	struct fixed_pt_format ace_offsets_format;
4281
4282	/**
4283	 * @ace_slopes_format: Format of the ACE slopes.
4284	 */
4285	struct fixed_pt_format ace_slopes_format;
4286};
4287
4288/**
4289 * Parameters for ABM2.4 algorithm. Passed from driver to FW via an indirect buffer.
4290 * Requirements:
4291 *  - Padded explicitly to 32-bit boundary.
4292 *  - Must ensure this structure matches the one on driver-side,
4293 *    otherwise it won't be aligned.
4294 */
4295struct abm_config_table {
4296	/**
4297	 * Gamma curve thresholds, used for crgb conversion.
4298	 */
4299	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];                 // 0B
4300	/**
4301	 * Gamma curve offsets, used for crgb conversion.
4302	 */
4303	uint16_t crgb_offset[NUM_POWER_FN_SEGS];                 // 16B
4304	/**
4305	 * Gamma curve slopes, used for crgb conversion.
4306	 */
4307	uint16_t crgb_slope[NUM_POWER_FN_SEGS];                  // 32B
4308	/**
4309	 * Custom backlight curve thresholds.
4310	 */
4311	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];        // 48B
4312	/**
4313	 * Custom backlight curve offsets.
4314	 */
4315	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];           // 78B
4316	/**
4317	 * Ambient light thresholds.
4318	 */
4319	uint16_t ambient_thresholds_lux[NUM_AMBI_LEVEL];         // 112B
4320	/**
4321	 * Minimum programmable backlight.
4322	 */
4323	uint16_t min_abm_backlight;                              // 122B
4324	/**
4325	 * Minimum reduction values.
4326	 */
4327	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 124B
4328	/**
4329	 * Maximum reduction values.
4330	 */
4331	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 144B
4332	/**
4333	 * Bright positive gain.
4334	 */
4335	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 164B
4336	/**
4337	 * Dark negative gain.
4338	 */
4339	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 184B
4340	/**
4341	 * Hybrid factor.
4342	 */
4343	uint8_t hybrid_factor[NUM_AGGR_LEVEL];                   // 204B
4344	/**
4345	 * Contrast factor.
4346	 */
4347	uint8_t contrast_factor[NUM_AGGR_LEVEL];                 // 208B
4348	/**
4349	 * Deviation gain.
4350	 */
4351	uint8_t deviation_gain[NUM_AGGR_LEVEL];                  // 212B
4352	/**
4353	 * Minimum knee.
4354	 */
4355	uint8_t min_knee[NUM_AGGR_LEVEL];                        // 216B
4356	/**
4357	 * Maximum knee.
4358	 */
4359	uint8_t max_knee[NUM_AGGR_LEVEL];                        // 220B
4360	/**
4361	 * Unused.
4362	 */
4363	uint8_t iir_curve[NUM_AMBI_LEVEL];                       // 224B
4364	/**
4365	 * Explicit padding to 4 byte boundary.
4366	 */
4367	uint8_t pad3[3];                                         // 229B
4368	/**
4369	 * Backlight ramp reduction.
4370	 */
4371	uint16_t blRampReduction[NUM_AGGR_LEVEL];                // 232B
4372	/**
4373	 * Backlight ramp start.
4374	 */
4375	uint16_t blRampStart[NUM_AGGR_LEVEL];                    // 240B
4376};
4377
4378/**
4379 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
4380 */
4381struct dmub_cmd_abm_set_pipe_data {
4382	/**
4383	 * OTG HW instance.
4384	 */
4385	uint8_t otg_inst;
4386
4387	/**
4388	 * Panel Control HW instance.
4389	 */
4390	uint8_t panel_inst;
4391
4392	/**
4393	 * Controls how ABM will interpret a set pipe or set level command.
4394	 */
4395	uint8_t set_pipe_option;
4396
4397	/**
4398	 * Unused.
4399	 * TODO: Remove.
4400	 */
4401	uint8_t ramping_boundary;
4402
4403	/**
4404	 * PwrSeq HW Instance.
4405	 */
4406	uint8_t pwrseq_inst;
4407
4408	/**
4409	 * Explicit padding to 4 byte boundary.
4410	 */
4411	uint8_t pad[3];
4412};
4413
4414/**
4415 * Definition of a DMUB_CMD__ABM_SET_PIPE command.
4416 */
4417struct dmub_rb_cmd_abm_set_pipe {
4418	/**
4419	 * Command header.
4420	 */
4421	struct dmub_cmd_header header;
4422
4423	/**
4424	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
4425	 */
4426	struct dmub_cmd_abm_set_pipe_data abm_set_pipe_data;
4427};
4428
4429/**
4430 * Type of backlight control method to be used by ABM module
4431 */
4432enum dmub_backlight_control_type {
4433	/**
4434	 * PWM Backlight control
4435	 */
4436	DMU_BACKLIGHT_CONTROL_PWM = 0,
4437	/**
4438	 * VESA Aux-based backlight control
4439	 */
4440	DMU_BACKLIGHT_CONTROL_VESA_AUX = 1,
4441	/**
4442	 * AMD DPCD Aux-based backlight control
4443	 */
4444	DMU_BACKLIGHT_CONTROL_AMD_AUX = 2,
4445};
4446
4447/**
4448 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
4449 */
4450struct dmub_cmd_abm_set_backlight_data {
4451	/**
4452	 * Number of frames to ramp to backlight user level.
4453	 */
4454	uint32_t frame_ramp;
4455
4456	/**
4457	 * Requested backlight level from user.
4458	 */
4459	uint32_t backlight_user_level;
4460
4461	/**
4462	 * ABM control version.
4463	 */
4464	uint8_t version;
4465
4466	/**
4467	 * Panel Control HW instance mask.
4468	 * Bit 0 is Panel Control HW instance 0.
4469	 * Bit 1 is Panel Control HW instance 1.
4470	 */
4471	uint8_t panel_mask;
4472
4473	/**
4474	 * AUX HW Instance.
4475	 */
4476	uint8_t aux_inst;
4477
4478	/**
4479	 * Explicit padding to 4 byte boundary.
4480	 */
4481	uint8_t pad[1];
4482
4483	/**
4484	 * Backlight control type.
4485	 * Value 0 is PWM backlight control.
4486	 * Value 1 is VAUX backlight control.
4487	 * Value 2 is AMD DPCD AUX backlight control.
4488	 */
4489	enum dmub_backlight_control_type backlight_control_type;
4490
4491	/**
4492	 * Minimum luminance in nits.
4493	 */
4494	uint32_t min_luminance;
4495
4496	/**
4497	 * Maximum luminance in nits.
4498	 */
4499	uint32_t max_luminance;
4500
4501	/**
4502	 * Minimum backlight in pwm.
4503	 */
4504	uint32_t min_backlight_pwm;
4505
4506	/**
4507	 * Maximum backlight in pwm.
4508	 */
4509	uint32_t max_backlight_pwm;
4510};
4511
4512/**
4513 * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
4514 */
4515struct dmub_rb_cmd_abm_set_backlight {
4516	/**
4517	 * Command header.
4518	 */
4519	struct dmub_cmd_header header;
4520
4521	/**
4522	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
4523	 */
4524	struct dmub_cmd_abm_set_backlight_data abm_set_backlight_data;
4525};
4526
4527/**
4528 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
4529 */
4530struct dmub_cmd_abm_set_level_data {
4531	/**
4532	 * Set current ABM operating/aggression level.
4533	 */
4534	uint32_t level;
4535
4536	/**
4537	 * ABM control version.
4538	 */
4539	uint8_t version;
4540
4541	/**
4542	 * Panel Control HW instance mask.
4543	 * Bit 0 is Panel Control HW instance 0.
4544	 * Bit 1 is Panel Control HW instance 1.
4545	 */
4546	uint8_t panel_mask;
4547
4548	/**
4549	 * Explicit padding to 4 byte boundary.
4550	 */
4551	uint8_t pad[2];
4552};
4553
4554/**
4555 * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
4556 */
4557struct dmub_rb_cmd_abm_set_level {
4558	/**
4559	 * Command header.
4560	 */
4561	struct dmub_cmd_header header;
4562
4563	/**
4564	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
4565	 */
4566	struct dmub_cmd_abm_set_level_data abm_set_level_data;
4567};
4568
4569/**
4570 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
4571 */
4572struct dmub_cmd_abm_set_ambient_level_data {
4573	/**
4574	 * Ambient light sensor reading from OS.
4575	 */
4576	uint32_t ambient_lux;
4577
4578	/**
4579	 * ABM control version.
4580	 */
4581	uint8_t version;
4582
4583	/**
4584	 * Panel Control HW instance mask.
4585	 * Bit 0 is Panel Control HW instance 0.
4586	 * Bit 1 is Panel Control HW instance 1.
4587	 */
4588	uint8_t panel_mask;
4589
4590	/**
4591	 * Explicit padding to 4 byte boundary.
4592	 */
4593	uint8_t pad[2];
4594};
4595
4596/**
4597 * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
4598 */
4599struct dmub_rb_cmd_abm_set_ambient_level {
4600	/**
4601	 * Command header.
4602	 */
4603	struct dmub_cmd_header header;
4604
4605	/**
4606	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
4607	 */
4608	struct dmub_cmd_abm_set_ambient_level_data abm_set_ambient_level_data;
4609};
4610
4611/**
4612 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
4613 */
4614struct dmub_cmd_abm_set_pwm_frac_data {
4615	/**
4616	 * Enable/disable fractional duty cycle for backlight PWM.
4617	 * TODO: Convert to uint8_t.
4618	 */
4619	uint32_t fractional_pwm;
4620
4621	/**
4622	 * ABM control version.
4623	 */
4624	uint8_t version;
4625
4626	/**
4627	 * Panel Control HW instance mask.
4628	 * Bit 0 is Panel Control HW instance 0.
4629	 * Bit 1 is Panel Control HW instance 1.
4630	 */
4631	uint8_t panel_mask;
4632
4633	/**
4634	 * Explicit padding to 4 byte boundary.
4635	 */
4636	uint8_t pad[2];
4637};
4638
4639/**
4640 * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
4641 */
4642struct dmub_rb_cmd_abm_set_pwm_frac {
4643	/**
4644	 * Command header.
4645	 */
4646	struct dmub_cmd_header header;
4647
4648	/**
4649	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
4650	 */
4651	struct dmub_cmd_abm_set_pwm_frac_data abm_set_pwm_frac_data;
4652};
4653
4654/**
4655 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
4656 */
4657struct dmub_cmd_abm_init_config_data {
4658	/**
4659	 * Location of indirect buffer used to pass init data to ABM.
4660	 */
4661	union dmub_addr src;
4662
4663	/**
4664	 * Indirect buffer length.
4665	 */
4666	uint16_t bytes;
4667
4668
4669	/**
4670	 * ABM control version.
4671	 */
4672	uint8_t version;
4673
4674	/**
4675	 * Panel Control HW instance mask.
4676	 * Bit 0 is Panel Control HW instance 0.
4677	 * Bit 1 is Panel Control HW instance 1.
4678	 */
4679	uint8_t panel_mask;
4680
4681	/**
4682	 * Explicit padding to 4 byte boundary.
4683	 */
4684	uint8_t pad[2];
4685};
4686
4687/**
4688 * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
4689 */
4690struct dmub_rb_cmd_abm_init_config {
4691	/**
4692	 * Command header.
4693	 */
4694	struct dmub_cmd_header header;
4695
4696	/**
4697	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
4698	 */
4699	struct dmub_cmd_abm_init_config_data abm_init_config_data;
4700};
4701
4702/**
4703 * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
4704 */
4705
4706struct dmub_cmd_abm_pause_data {
4707
4708	/**
4709	 * Panel Control HW instance mask.
4710	 * Bit 0 is Panel Control HW instance 0.
4711	 * Bit 1 is Panel Control HW instance 1.
4712	 */
4713	uint8_t panel_mask;
4714
4715	/**
4716	 * OTG hw instance
4717	 */
4718	uint8_t otg_inst;
4719
4720	/**
4721	 * Enable or disable ABM pause
4722	 */
4723	uint8_t enable;
4724
4725	/**
4726	 * Explicit padding to 4 byte boundary.
4727	 */
4728	uint8_t pad[1];
4729};
4730
4731/**
4732 * Definition of a DMUB_CMD__ABM_PAUSE command.
4733 */
4734struct dmub_rb_cmd_abm_pause {
4735	/**
4736	 * Command header.
4737	 */
4738	struct dmub_cmd_header header;
4739
4740	/**
4741	 * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
4742	 */
4743	struct dmub_cmd_abm_pause_data abm_pause_data;
4744};
4745
4746/**
4747 * Data passed from driver to FW in a DMUB_CMD__ABM_QUERY_CAPS command.
4748 */
4749struct dmub_cmd_abm_query_caps_in {
4750	/**
4751	 * Panel instance.
4752	 */
4753	uint8_t panel_inst;
4754
4755	/**
4756	 * Explicit padding to 4 byte boundary.
4757	 */
4758	uint8_t pad[3];
4759};
4760
4761/**
4762 * Data passed from FW to driver in a DMUB_CMD__ABM_QUERY_CAPS command.
4763 */
4764struct dmub_cmd_abm_query_caps_out {
4765	/**
4766	 * SW Algorithm caps.
4767	 */
4768	struct abm_caps sw_caps;
4769
4770	/**
4771	 * ABM HW caps.
4772	 */
4773	struct abm_caps hw_caps;
4774};
4775
4776/**
4777 * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
4778 */
4779struct dmub_rb_cmd_abm_query_caps {
4780	/**
4781	 * Command header.
4782	 */
4783	struct dmub_cmd_header header;
4784
4785	/**
4786	 * Data passed between FW and driver in a DMUB_CMD__ABM_QUERY_CAPS command.
4787	 */
4788	union {
4789		struct dmub_cmd_abm_query_caps_in  abm_query_caps_in;
4790		struct dmub_cmd_abm_query_caps_out abm_query_caps_out;
4791	} data;
4792};
4793
4794/**
4795 * enum dmub_abm_ace_curve_type - ACE curve type.
4796 */
4797enum dmub_abm_ace_curve_type {
4798	/**
4799	 * ACE curve as defined by the SW layer.
4800	 */
4801	ABM_ACE_CURVE_TYPE__SW = 0,
4802	/**
4803	 * ACE curve as defined by the SW to HW translation interface layer.
4804	 */
4805	ABM_ACE_CURVE_TYPE__SW_IF = 1,
4806};
4807
4808/**
4809 * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
4810 */
4811struct dmub_rb_cmd_abm_get_ace_curve {
4812	/**
4813	 * Command header.
4814	 */
4815	struct dmub_cmd_header header;
4816
4817	/**
4818	 * Address where ACE curve should be copied.
4819	 */
4820	union dmub_addr dest;
4821
4822	/**
4823	 * Type of ACE curve being queried.
4824	 */
4825	enum dmub_abm_ace_curve_type ace_type;
4826
4827	/**
4828	 * Indirect buffer length.
4829	 */
4830	uint16_t bytes;
4831
4832	/**
4833	 * eDP panel instance.
4834	 */
4835	uint8_t panel_inst;
4836
4837	/**
4838	 * Explicit padding to 4 byte boundary.
4839	 */
4840	uint8_t pad;
4841};
4842
4843/**
4844 * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
4845 */
4846struct dmub_rb_cmd_abm_save_restore {
4847	/**
4848	 * Command header.
4849	 */
4850	struct dmub_cmd_header header;
4851
4852	/**
4853	 * OTG hw instance
4854	 */
4855	uint8_t otg_inst;
4856
4857	/**
4858	 * Enable or disable ABM pause
4859	 */
4860	uint8_t freeze;
4861
4862	/**
4863	 * Explicit padding to 4 byte boundary.
4864	 */
4865	uint8_t debug;
4866
4867	/**
4868	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
4869	 */
4870	struct dmub_cmd_abm_init_config_data abm_init_config_data;
4871};
4872
4873/**
4874 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
4875 */
4876
4877struct dmub_cmd_abm_set_event_data {
4878
4879	/**
4880	 * VB Scaling Init. Strength Mapping
4881	 * Byte 0: 0~255 for VB level 0
4882	 * Byte 1: 0~255 for VB level 1
4883	 * Byte 2: 0~255 for VB level 2
4884	 * Byte 3: 0~255 for VB level 3
4885	 */
4886	uint32_t vb_scaling_strength_mapping;
4887	/**
4888	 * VariBright Scaling Enable
4889	 */
4890	uint8_t vb_scaling_enable;
4891	/**
4892	 * Panel Control HW instance mask.
4893	 * Bit 0 is Panel Control HW instance 0.
4894	 * Bit 1 is Panel Control HW instance 1.
4895	 */
4896	uint8_t panel_mask;
4897
4898	/**
4899	 * Explicit padding to 4 byte boundary.
4900	 */
4901	uint8_t pad[2];
4902};
4903
4904/**
4905 * Definition of a DMUB_CMD__ABM_SET_EVENT command.
4906 */
4907struct dmub_rb_cmd_abm_set_event {
4908	/**
4909	 * Command header.
4910	 */
4911	struct dmub_cmd_header header;
4912
4913	/**
4914	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
4915	 */
4916	struct dmub_cmd_abm_set_event_data abm_set_event_data;
4917};
4918
4919/**
4920 * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
4921 */
4922struct dmub_cmd_query_feature_caps_data {
4923	/**
4924	 * DMUB feature capabilities.
4925	 * After DMUB init, driver will query FW capabilities prior to enabling certain features.
4926	 */
4927	struct dmub_feature_caps feature_caps;
4928};
4929
4930/**
4931 * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
4932 */
4933struct dmub_rb_cmd_query_feature_caps {
4934	/**
4935	 * Command header.
4936	 */
4937	struct dmub_cmd_header header;
4938	/**
4939	 * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
4940	 */
4941	struct dmub_cmd_query_feature_caps_data query_feature_caps_data;
4942};
4943
4944/**
4945 * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
4946 */
4947struct dmub_cmd_visual_confirm_color_data {
4948	/**
4949	 * DMUB visual confirm color
4950	 */
4951	struct dmub_visual_confirm_color visual_confirm_color;
4952};
4953
4954/**
4955 * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
4956 */
4957struct dmub_rb_cmd_get_visual_confirm_color {
4958	/**
4959	 * Command header.
4960	 */
4961	struct dmub_cmd_header header;
4962	/**
4963	 * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
4964	 */
4965	struct dmub_cmd_visual_confirm_color_data visual_confirm_color_data;
4966};
4967
4968/**
4969 * enum dmub_cmd_panel_cntl_type - Panel control command.
4970 */
4971enum dmub_cmd_panel_cntl_type {
4972	/**
4973	 * Initializes embedded panel hardware blocks.
4974	 */
4975	DMUB_CMD__PANEL_CNTL_HW_INIT = 0,
4976	/**
4977	 * Queries backlight info for the embedded panel.
4978	 */
4979	DMUB_CMD__PANEL_CNTL_QUERY_BACKLIGHT_INFO = 1,
4980	/**
4981	 * Sets the PWM Freq as per user's requirement.
4982	 */
4983	DMUB_CMD__PANEL_DEBUG_PWM_FREQ = 2,
4984};
4985
4986/**
4987 * struct dmub_cmd_panel_cntl_data - Panel control data.
4988 */
4989struct dmub_cmd_panel_cntl_data {
4990	uint32_t pwrseq_inst; /**< pwrseq instance */
4991	uint32_t current_backlight; /* in/out */
4992	uint32_t bl_pwm_cntl; /* in/out */
4993	uint32_t bl_pwm_period_cntl; /* in/out */
4994	uint32_t bl_pwm_ref_div1; /* in/out */
4995	uint8_t is_backlight_on : 1; /* in/out */
4996	uint8_t is_powered_on : 1; /* in/out */
4997	uint8_t padding[3];
4998	uint32_t bl_pwm_ref_div2; /* in/out */
4999	uint8_t reserved[4];
5000};
5001
5002/**
5003 * struct dmub_rb_cmd_panel_cntl - Panel control command.
5004 */
5005struct dmub_rb_cmd_panel_cntl {
5006	struct dmub_cmd_header header; /**< header */
5007	struct dmub_cmd_panel_cntl_data data; /**< payload */
5008};
5009
5010struct dmub_optc_state {
5011	uint32_t v_total_max;
5012	uint32_t v_total_min;
5013	uint32_t tg_inst;
5014};
5015
5016struct dmub_rb_cmd_drr_update {
5017	struct dmub_cmd_header header;
5018	struct dmub_optc_state dmub_optc_state_req;
5019};
5020
5021struct dmub_cmd_fw_assisted_mclk_switch_pipe_data {
5022	uint32_t pix_clk_100hz;
5023	uint8_t max_ramp_step;
5024	uint8_t pipes;
5025	uint8_t min_refresh_in_hz;
5026	uint8_t pipe_count;
5027	uint8_t pipe_index[4];
5028};
5029
5030struct dmub_cmd_fw_assisted_mclk_switch_config {
5031	uint8_t fams_enabled;
5032	uint8_t visual_confirm_enabled;
5033	uint16_t vactive_stretch_margin_us; // Extra vblank stretch required when doing FPO + Vactive
5034	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data pipe_data[DMUB_MAX_FPO_STREAMS];
5035};
5036
5037struct dmub_rb_cmd_fw_assisted_mclk_switch {
5038	struct dmub_cmd_header header;
5039	struct dmub_cmd_fw_assisted_mclk_switch_config config_data;
5040};
5041
5042/**
5043 * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5044 */
5045struct dmub_cmd_lvtma_control_data {
5046	uint8_t uc_pwr_action; /**< LVTMA_ACTION */
5047	uint8_t bypass_panel_control_wait;
5048	uint8_t reserved_0[2]; /**< For future use */
5049	uint8_t pwrseq_inst; /**< LVTMA control instance */
5050	uint8_t reserved_1[3]; /**< For future use */
5051};
5052
5053/**
5054 * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5055 */
5056struct dmub_rb_cmd_lvtma_control {
5057	/**
5058	 * Command header.
5059	 */
5060	struct dmub_cmd_header header;
5061	/**
5062	 * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5063	 */
5064	struct dmub_cmd_lvtma_control_data data;
5065};
5066
5067/**
5068 * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
5069 */
5070struct dmub_rb_cmd_transmitter_query_dp_alt_data {
5071	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
5072	uint8_t is_usb; /**< is phy is usb */
5073	uint8_t is_dp_alt_disable; /**< is dp alt disable */
5074	uint8_t is_dp4; /**< is dp in 4 lane */
5075};
5076
5077/**
5078 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
5079 */
5080struct dmub_rb_cmd_transmitter_query_dp_alt {
5081	struct dmub_cmd_header header; /**< header */
5082	struct dmub_rb_cmd_transmitter_query_dp_alt_data data; /**< payload */
5083};
5084
5085struct phy_test_mode {
5086	uint8_t mode;
5087	uint8_t pat0;
5088	uint8_t pad[2];
5089};
5090
5091/**
5092 * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
5093 */
5094struct dmub_rb_cmd_transmitter_set_phy_fsm_data {
5095	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
5096	uint8_t mode; /**< HDMI/DP/DP2 etc */
5097	uint8_t lane_num; /**< Number of lanes */
5098	uint32_t symclk_100Hz; /**< PLL symclock in 100hz */
5099	struct phy_test_mode test_mode;
5100	enum dmub_phy_fsm_state state;
5101	uint32_t status;
5102	uint8_t pad;
5103};
5104
5105/**
5106 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
5107 */
5108struct dmub_rb_cmd_transmitter_set_phy_fsm {
5109	struct dmub_cmd_header header; /**< header */
5110	struct dmub_rb_cmd_transmitter_set_phy_fsm_data data; /**< payload */
5111};
5112
5113/**
5114 * Maximum number of bytes a chunk sent to DMUB for parsing
5115 */
5116#define DMUB_EDID_CEA_DATA_CHUNK_BYTES 8
5117
5118/**
5119 *  Represent a chunk of CEA blocks sent to DMUB for parsing
5120 */
5121struct dmub_cmd_send_edid_cea {
5122	uint16_t offset;	/**< offset into the CEA block */
5123	uint8_t length;	/**< number of bytes in payload to copy as part of CEA block */
5124	uint16_t cea_total_length;  /**< total length of the CEA block */
5125	uint8_t payload[DMUB_EDID_CEA_DATA_CHUNK_BYTES]; /**< data chunk of the CEA block */
5126	uint8_t pad[3]; /**< padding and for future expansion */
5127};
5128
5129/**
5130 * Result of VSDB parsing from CEA block
5131 */
5132struct dmub_cmd_edid_cea_amd_vsdb {
5133	uint8_t vsdb_found;		/**< 1 if parsing has found valid AMD VSDB */
5134	uint8_t freesync_supported;	/**< 1 if Freesync is supported */
5135	uint16_t amd_vsdb_version;	/**< AMD VSDB version */
5136	uint16_t min_frame_rate;	/**< Maximum frame rate */
5137	uint16_t max_frame_rate;	/**< Minimum frame rate */
5138};
5139
5140/**
5141 * Result of sending a CEA chunk
5142 */
5143struct dmub_cmd_edid_cea_ack {
5144	uint16_t offset;	/**< offset of the chunk into the CEA block */
5145	uint8_t success;	/**< 1 if this sending of chunk succeeded */
5146	uint8_t pad;		/**< padding and for future expansion */
5147};
5148
5149/**
5150 * Specify whether the result is an ACK/NACK or the parsing has finished
5151 */
5152enum dmub_cmd_edid_cea_reply_type {
5153	DMUB_CMD__EDID_CEA_AMD_VSDB	= 1, /**< VSDB parsing has finished */
5154	DMUB_CMD__EDID_CEA_ACK		= 2, /**< acknowledges the CEA sending is OK or failing */
5155};
5156
5157/**
5158 * Definition of a DMUB_CMD__EDID_CEA command.
5159 */
5160struct dmub_rb_cmd_edid_cea {
5161	struct dmub_cmd_header header;	/**< Command header */
5162	union dmub_cmd_edid_cea_data {
5163		struct dmub_cmd_send_edid_cea input; /**< input to send CEA chunks */
5164		struct dmub_cmd_edid_cea_output { /**< output with results */
5165			uint8_t type;	/**< dmub_cmd_edid_cea_reply_type */
5166			union {
5167				struct dmub_cmd_edid_cea_amd_vsdb amd_vsdb;
5168				struct dmub_cmd_edid_cea_ack ack;
5169			};
5170		} output;	/**< output to retrieve ACK/NACK or VSDB parsing results */
5171	} data;	/**< Command data */
5172
5173};
5174
5175/**
5176 * struct dmub_cmd_cable_id_input - Defines the input of DMUB_CMD_GET_USBC_CABLE_ID command.
5177 */
5178struct dmub_cmd_cable_id_input {
5179	uint8_t phy_inst;  /**< phy inst for cable id data */
5180};
5181
5182/**
5183 * struct dmub_cmd_cable_id_input - Defines the output of DMUB_CMD_GET_USBC_CABLE_ID command.
5184 */
5185struct dmub_cmd_cable_id_output {
5186	uint8_t UHBR10_20_CAPABILITY	:2; /**< b'01 for UHBR10 support, b'10 for both UHBR10 and UHBR20 support */
5187	uint8_t UHBR13_5_CAPABILITY	:1; /**< b'1 for UHBR13.5 support */
5188	uint8_t CABLE_TYPE		:3; /**< b'01 for passive cable, b'10 for active LRD cable, b'11 for active retimer cable */
5189	uint8_t RESERVED		:2; /**< reserved means not defined */
5190};
5191
5192/**
5193 * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command
5194 */
5195struct dmub_rb_cmd_get_usbc_cable_id {
5196	struct dmub_cmd_header header; /**< Command header */
5197	/**
5198	 * Data passed from driver to FW in a DMUB_CMD_GET_USBC_CABLE_ID command.
5199	 */
5200	union dmub_cmd_cable_id_data {
5201		struct dmub_cmd_cable_id_input input; /**< Input */
5202		struct dmub_cmd_cable_id_output output; /**< Output */
5203		uint8_t output_raw; /**< Raw data output */
5204	} data;
5205};
5206
5207/**
5208 * Command type of a DMUB_CMD__SECURE_DISPLAY command
5209 */
5210enum dmub_cmd_secure_display_type {
5211	DMUB_CMD__SECURE_DISPLAY_TEST_CMD = 0,		/* test command to only check if inbox message works */
5212	DMUB_CMD__SECURE_DISPLAY_CRC_STOP_UPDATE,
5213	DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY,
5214	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_STOP_UPDATE,
5215	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_WIN_NOTIFY
5216};
5217
5218#define MAX_ROI_NUM	2
5219
5220struct dmub_cmd_roi_info {
5221	uint16_t x_start;
5222	uint16_t x_end;
5223	uint16_t y_start;
5224	uint16_t y_end;
5225	uint8_t otg_id;
5226	uint8_t phy_id;
5227};
5228
5229struct dmub_cmd_roi_window_ctl {
5230	uint16_t x_start;
5231	uint16_t x_end;
5232	uint16_t y_start;
5233	uint16_t y_end;
5234	bool enable;
5235};
5236
5237struct dmub_cmd_roi_ctl_info {
5238	uint8_t otg_id;
5239	uint8_t phy_id;
5240	struct dmub_cmd_roi_window_ctl roi_ctl[MAX_ROI_NUM];
5241};
5242
5243/**
5244 * Definition of a DMUB_CMD__SECURE_DISPLAY command
5245 */
5246struct dmub_rb_cmd_secure_display {
5247	struct dmub_cmd_header header;
5248	/**
5249	 * Data passed from driver to dmub firmware.
5250	 */
5251	struct dmub_cmd_roi_info roi_info;
5252	struct dmub_cmd_roi_ctl_info mul_roi_ctl;
5253};
5254
5255/**
5256 * Command type of a DMUB_CMD__PSP command
5257 */
5258enum dmub_cmd_psp_type {
5259	DMUB_CMD__PSP_ASSR_ENABLE = 0
5260};
5261
5262/**
5263 * Data passed from driver to FW in a DMUB_CMD__PSP_ASSR_ENABLE command.
5264 */
5265struct dmub_cmd_assr_enable_data {
5266	/**
5267	 * ASSR enable or disable.
5268	 */
5269	uint8_t enable;
5270	/**
5271	 * PHY port type.
5272	 * Indicates eDP / non-eDP port type
5273	 */
5274	uint8_t phy_port_type;
5275	/**
5276	 * PHY port ID.
5277	 */
5278	uint8_t phy_port_id;
5279	/**
5280	 * Link encoder index.
5281	 */
5282	uint8_t link_enc_index;
5283	/**
5284	 * HPO mode.
5285	 */
5286	uint8_t hpo_mode;
5287
5288	/**
5289	 * Reserved field.
5290	 */
5291	uint8_t reserved[7];
5292};
5293
5294/**
5295 * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
5296 */
5297struct dmub_rb_cmd_assr_enable {
5298	/**
5299	 * Command header.
5300	 */
5301	struct dmub_cmd_header header;
5302
5303	/**
5304	 * Assr data.
5305	 */
5306	struct dmub_cmd_assr_enable_data assr_data;
5307
5308	/**
5309	 * Reserved field.
5310	 */
5311	uint32_t reserved[3];
5312};
5313
5314/**
5315 * union dmub_rb_cmd - DMUB inbox command.
5316 */
5317union dmub_rb_cmd {
5318	/**
5319	 * Elements shared with all commands.
5320	 */
5321	struct dmub_rb_cmd_common cmd_common;
5322	/**
5323	 * Definition of a DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE command.
5324	 */
5325	struct dmub_rb_cmd_read_modify_write read_modify_write;
5326	/**
5327	 * Definition of a DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ command.
5328	 */
5329	struct dmub_rb_cmd_reg_field_update_sequence reg_field_update_seq;
5330	/**
5331	 * Definition of a DMUB_CMD__REG_SEQ_BURST_WRITE command.
5332	 */
5333	struct dmub_rb_cmd_burst_write burst_write;
5334	/**
5335	 * Definition of a DMUB_CMD__REG_REG_WAIT command.
5336	 */
5337	struct dmub_rb_cmd_reg_wait reg_wait;
5338	/**
5339	 * Definition of a DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL command.
5340	 */
5341	struct dmub_rb_cmd_digx_encoder_control digx_encoder_control;
5342	/**
5343	 * Definition of a DMUB_CMD__VBIOS_SET_PIXEL_CLOCK command.
5344	 */
5345	struct dmub_rb_cmd_set_pixel_clock set_pixel_clock;
5346	/**
5347	 * Definition of a DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING command.
5348	 */
5349	struct dmub_rb_cmd_enable_disp_power_gating enable_disp_power_gating;
5350	/**
5351	 * Definition of a DMUB_CMD__VBIOS_DPPHY_INIT command.
5352	 */
5353	struct dmub_rb_cmd_dpphy_init dpphy_init;
5354	/**
5355	 * Definition of a DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL command.
5356	 */
5357	struct dmub_rb_cmd_dig1_transmitter_control dig1_transmitter_control;
5358	/**
5359	 * Definition of a DMUB_CMD__VBIOS_DOMAIN_CONTROL command.
5360	 */
5361	struct dmub_rb_cmd_domain_control domain_control;
5362	/**
5363	 * Definition of a DMUB_CMD__PSR_SET_VERSION command.
5364	 */
5365	struct dmub_rb_cmd_psr_set_version psr_set_version;
5366	/**
5367	 * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
5368	 */
5369	struct dmub_rb_cmd_psr_copy_settings psr_copy_settings;
5370	/**
5371	 * Definition of a DMUB_CMD__PSR_ENABLE command.
5372	 */
5373	struct dmub_rb_cmd_psr_enable psr_enable;
5374	/**
5375	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
5376	 */
5377	struct dmub_rb_cmd_psr_set_level psr_set_level;
5378	/**
5379	 * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
5380	 */
5381	struct dmub_rb_cmd_psr_force_static psr_force_static;
5382	/**
5383	 * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
5384	 */
5385	struct dmub_rb_cmd_update_dirty_rect update_dirty_rect;
5386	/**
5387	 * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
5388	 */
5389	struct dmub_rb_cmd_update_cursor_info update_cursor_info;
5390	/**
5391	 * Definition of a DMUB_CMD__HW_LOCK command.
5392	 * Command is used by driver and FW.
5393	 */
5394	struct dmub_rb_cmd_lock_hw lock_hw;
5395	/**
5396	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
5397	 */
5398	struct dmub_rb_cmd_psr_set_vtotal psr_set_vtotal;
5399	/**
5400	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
5401	 */
5402	struct dmub_rb_cmd_psr_set_power_opt psr_set_power_opt;
5403	/**
5404	 * Definition of a DMUB_CMD__PLAT_54186_WA command.
5405	 */
5406	struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa;
5407	/**
5408	 * Definition of a DMUB_CMD__MALL command.
5409	 */
5410	struct dmub_rb_cmd_mall mall;
5411
5412	/**
5413	 * Definition of a DMUB_CMD__CAB command.
5414	 */
5415	struct dmub_rb_cmd_cab_for_ss cab;
5416
5417	struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 fw_assisted_mclk_switch_v2;
5418
5419	/**
5420	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_RESTORE command.
5421	 */
5422	struct dmub_rb_cmd_idle_opt_dcn_restore dcn_restore;
5423
5424	/**
5425	 * Definition of a DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS command.
5426	 */
5427	struct dmub_rb_cmd_clk_mgr_notify_clocks notify_clocks;
5428
5429	/**
5430	 * Definition of DMUB_CMD__PANEL_CNTL commands.
5431	 */
5432	struct dmub_rb_cmd_panel_cntl panel_cntl;
5433
5434	/**
5435	 * Definition of a DMUB_CMD__ABM_SET_PIPE command.
5436	 */
5437	struct dmub_rb_cmd_abm_set_pipe abm_set_pipe;
5438
5439	/**
5440	 * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
5441	 */
5442	struct dmub_rb_cmd_abm_set_backlight abm_set_backlight;
5443
5444	/**
5445	 * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
5446	 */
5447	struct dmub_rb_cmd_abm_set_level abm_set_level;
5448
5449	/**
5450	 * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5451	 */
5452	struct dmub_rb_cmd_abm_set_ambient_level abm_set_ambient_level;
5453
5454	/**
5455	 * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
5456	 */
5457	struct dmub_rb_cmd_abm_set_pwm_frac abm_set_pwm_frac;
5458
5459	/**
5460	 * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
5461	 */
5462	struct dmub_rb_cmd_abm_init_config abm_init_config;
5463
5464	/**
5465	 * Definition of a DMUB_CMD__ABM_PAUSE command.
5466	 */
5467	struct dmub_rb_cmd_abm_pause abm_pause;
5468
5469	/**
5470	 * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
5471	 */
5472	struct dmub_rb_cmd_abm_save_restore abm_save_restore;
5473
5474	/**
5475	 * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
5476	 */
5477	struct dmub_rb_cmd_abm_query_caps abm_query_caps;
5478
5479	/**
5480	 * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
5481	 */
5482	struct dmub_rb_cmd_abm_get_ace_curve abm_get_ace_curve;
5483
5484	/**
5485	 * Definition of a DMUB_CMD__ABM_SET_EVENT command.
5486	 */
5487	struct dmub_rb_cmd_abm_set_event abm_set_event;
5488
5489	/**
5490	 * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
5491	 */
5492	struct dmub_rb_cmd_dp_aux_access dp_aux_access;
5493
5494	/**
5495	 * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
5496	 */
5497	struct dmub_rb_cmd_outbox1_enable outbox1_enable;
5498
5499	/**
5500	 * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
5501	 */
5502	struct dmub_rb_cmd_query_feature_caps query_feature_caps;
5503
5504	/**
5505	 * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
5506	 */
5507	struct dmub_rb_cmd_get_visual_confirm_color visual_confirm_color;
5508	struct dmub_rb_cmd_drr_update drr_update;
5509	struct dmub_rb_cmd_fw_assisted_mclk_switch fw_assisted_mclk_switch;
5510
5511	/**
5512	 * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5513	 */
5514	struct dmub_rb_cmd_lvtma_control lvtma_control;
5515	/**
5516	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
5517	 */
5518	struct dmub_rb_cmd_transmitter_query_dp_alt query_dp_alt;
5519	/**
5520	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
5521	 */
5522	struct dmub_rb_cmd_transmitter_set_phy_fsm set_phy_fsm;
5523	/**
5524	 * Definition of a DMUB_CMD__DPIA_DIG1_CONTROL command.
5525	 */
5526	struct dmub_rb_cmd_dig1_dpia_control dig1_dpia_control;
5527	/**
5528	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
5529	 */
5530	struct dmub_rb_cmd_set_config_access set_config_access; // (deprecated)
5531	/**
5532	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
5533	 */
5534	struct dmub_rb_cmd_set_config_request set_config_request;
5535	/**
5536	 * Definition of a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
5537	 */
5538	struct dmub_rb_cmd_set_mst_alloc_slots set_mst_alloc_slots;
5539	/**
5540	 * Definition of a DMUB_CMD__DPIA_SET_TPS_NOTIFICATION command.
5541	 */
5542	struct dmub_rb_cmd_set_tps_notification set_tps_notification;
5543	/**
5544	 * Definition of a DMUB_CMD__EDID_CEA command.
5545	 */
5546	struct dmub_rb_cmd_edid_cea edid_cea;
5547	/**
5548	 * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command.
5549	 */
5550	struct dmub_rb_cmd_get_usbc_cable_id cable_id;
5551
5552	/**
5553	 * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
5554	 */
5555	struct dmub_rb_cmd_query_hpd_state query_hpd;
5556	/**
5557	 * Definition of a DMUB_CMD__SECURE_DISPLAY command.
5558	 */
5559	struct dmub_rb_cmd_secure_display secure_display;
5560
5561	/**
5562	 * Definition of a DMUB_CMD__DPIA_HPD_INT_ENABLE command.
5563	 */
5564	struct dmub_rb_cmd_dpia_hpd_int_enable dpia_hpd_int_enable;
5565	/**
5566	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
5567	 */
5568	struct dmub_rb_cmd_idle_opt_dcn_notify_idle idle_opt_notify_idle;
5569	/**
5570	 * Definition of a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command.
5571	 */
5572	struct dmub_rb_cmd_idle_opt_set_dc_power_state idle_opt_set_dc_power_state;
5573	/*
5574	 * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
5575	 */
5576	struct dmub_rb_cmd_replay_copy_settings replay_copy_settings;
5577	/**
5578	 * Definition of a DMUB_CMD__REPLAY_ENABLE command.
5579	 */
5580	struct dmub_rb_cmd_replay_enable replay_enable;
5581	/**
5582	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
5583	 */
5584	struct dmub_rb_cmd_replay_set_power_opt replay_set_power_opt;
5585	/**
5586	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
5587	 */
5588	struct dmub_rb_cmd_replay_set_coasting_vtotal replay_set_coasting_vtotal;
5589	/**
5590	 * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
5591	 */
5592	struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal replay_set_power_opt_and_coasting_vtotal;
5593
5594	struct dmub_rb_cmd_replay_set_timing_sync replay_set_timing_sync;
5595	/**
5596	 * Definition of a DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
5597	 */
5598	struct dmub_rb_cmd_replay_set_frameupdate_timer replay_set_frameupdate_timer;
5599	/**
5600	 * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
5601	 */
5602	struct dmub_rb_cmd_replay_set_pseudo_vtotal replay_set_pseudo_vtotal;
5603	/**
5604	 * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
5605	 */
5606	struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp replay_disabled_adaptive_sync_sdp;
5607	/**
5608	 * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
5609	 */
5610	struct dmub_rb_cmd_replay_set_general_cmd replay_set_general_cmd;
5611	/**
5612	 * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
5613	 */
5614	struct dmub_rb_cmd_assr_enable assr_enable;
5615	struct dmub_rb_cmd_fams2 fams2_config;
5616
5617	struct dmub_rb_cmd_fams2_drr_update fams2_drr_update;
5618
5619	struct dmub_rb_cmd_fams2_flip fams2_flip;
5620};
5621
5622/**
5623 * union dmub_rb_out_cmd - Outbox command
5624 */
5625union dmub_rb_out_cmd {
5626	/**
5627	 * Parameters common to every command.
5628	 */
5629	struct dmub_rb_cmd_common cmd_common;
5630	/**
5631	 * AUX reply command.
5632	 */
5633	struct dmub_rb_cmd_dp_aux_reply dp_aux_reply;
5634	/**
5635	 * HPD notify command.
5636	 */
5637	struct dmub_rb_cmd_dp_hpd_notify dp_hpd_notify;
5638	/**
5639	 * SET_CONFIG reply command.
5640	 */
5641	struct dmub_rb_cmd_dp_set_config_reply set_config_reply;
5642	/**
5643	 * DPIA notification command.
5644	 */
5645	struct dmub_rb_cmd_dpia_notification dpia_notification;
5646	/**
5647	 * HPD sense notification command.
5648	 */
5649	struct dmub_rb_cmd_hpd_sense_notify hpd_sense_notify;
5650};
5651#pragma pack(pop)
5652
5653
5654//==============================================================================
5655//</DMUB_CMD>===================================================================
5656//==============================================================================
5657//< DMUB_RB>====================================================================
5658//==============================================================================
5659
5660/**
5661 * struct dmub_rb_init_params - Initialization params for DMUB ringbuffer
5662 */
5663struct dmub_rb_init_params {
5664	void *ctx; /**< Caller provided context pointer */
5665	void *base_address; /**< CPU base address for ring's data */
5666	uint32_t capacity; /**< Ringbuffer capacity in bytes */
5667	uint32_t read_ptr; /**< Initial read pointer for consumer in bytes */
5668	uint32_t write_ptr; /**< Initial write pointer for producer in bytes */
5669};
5670
5671/**
5672 * struct dmub_rb - Inbox or outbox DMUB ringbuffer
5673 */
5674struct dmub_rb {
5675	void *base_address; /**< CPU address for the ring's data */
5676	uint32_t rptr; /**< Read pointer for consumer in bytes */
5677	uint32_t wrpt; /**< Write pointer for producer in bytes */
5678	uint32_t capacity; /**< Ringbuffer capacity in bytes */
5679
5680	void *ctx; /**< Caller provided context pointer */
5681	void *dmub; /**< Pointer to the DMUB interface */
5682};
5683
5684/**
5685 * @brief Checks if the ringbuffer is empty.
5686 *
5687 * @param rb DMUB Ringbuffer
5688 * @return true if empty
5689 * @return false otherwise
5690 */
5691static inline bool dmub_rb_empty(struct dmub_rb *rb)
5692{
5693	return (rb->wrpt == rb->rptr);
5694}
5695
5696/**
5697 * @brief Checks if the ringbuffer is full
5698 *
5699 * @param rb DMUB Ringbuffer
5700 * @return true if full
5701 * @return false otherwise
5702 */
5703static inline bool dmub_rb_full(struct dmub_rb *rb)
5704{
5705	uint32_t data_count;
5706
5707	if (rb->wrpt >= rb->rptr)
5708		data_count = rb->wrpt - rb->rptr;
5709	else
5710		data_count = rb->capacity - (rb->rptr - rb->wrpt);
5711
5712	return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE));
5713}
5714
5715/**
5716 * @brief Pushes a command into the ringbuffer
5717 *
5718 * @param rb DMUB ringbuffer
5719 * @param cmd The command to push
5720 * @return true if the ringbuffer was not full
5721 * @return false otherwise
5722 */
5723static inline bool dmub_rb_push_front(struct dmub_rb *rb,
5724				      const union dmub_rb_cmd *cmd)
5725{
5726	uint64_t volatile *dst = (uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->wrpt);
5727	const uint64_t *src = (const uint64_t *)cmd;
5728	uint8_t i;
5729
5730	if (dmub_rb_full(rb))
5731		return false;
5732
5733	// copying data
5734	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
5735		*dst++ = *src++;
5736
5737	rb->wrpt += DMUB_RB_CMD_SIZE;
5738
5739	if (rb->wrpt >= rb->capacity)
5740		rb->wrpt %= rb->capacity;
5741
5742	return true;
5743}
5744
5745/**
5746 * @brief Pushes a command into the DMUB outbox ringbuffer
5747 *
5748 * @param rb DMUB outbox ringbuffer
5749 * @param cmd Outbox command
5750 * @return true if not full
5751 * @return false otherwise
5752 */
5753static inline bool dmub_rb_out_push_front(struct dmub_rb *rb,
5754				      const union dmub_rb_out_cmd *cmd)
5755{
5756	uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt;
5757	const uint8_t *src = (const uint8_t *)cmd;
5758
5759	if (dmub_rb_full(rb))
5760		return false;
5761
5762	dmub_memcpy(dst, src, DMUB_RB_CMD_SIZE);
5763
5764	rb->wrpt += DMUB_RB_CMD_SIZE;
5765
5766	if (rb->wrpt >= rb->capacity)
5767		rb->wrpt %= rb->capacity;
5768
5769	return true;
5770}
5771
5772/**
5773 * @brief Returns the next unprocessed command in the ringbuffer.
5774 *
5775 * @param rb DMUB ringbuffer
5776 * @param cmd The command to return
5777 * @return true if not empty
5778 * @return false otherwise
5779 */
5780static inline bool dmub_rb_front(struct dmub_rb *rb,
5781				 union dmub_rb_cmd  **cmd)
5782{
5783	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rb->rptr;
5784
5785	if (dmub_rb_empty(rb))
5786		return false;
5787
5788	*cmd = (union dmub_rb_cmd *)rb_cmd;
5789
5790	return true;
5791}
5792
5793/**
5794 * @brief Determines the next ringbuffer offset.
5795 *
5796 * @param rb DMUB inbox ringbuffer
5797 * @param num_cmds Number of commands
5798 * @param next_rptr The next offset in the ringbuffer
5799 */
5800static inline void dmub_rb_get_rptr_with_offset(struct dmub_rb *rb,
5801				  uint32_t num_cmds,
5802				  uint32_t *next_rptr)
5803{
5804	*next_rptr = rb->rptr + DMUB_RB_CMD_SIZE * num_cmds;
5805
5806	if (*next_rptr >= rb->capacity)
5807		*next_rptr %= rb->capacity;
5808}
5809
5810/**
5811 * @brief Returns a pointer to a command in the inbox.
5812 *
5813 * @param rb DMUB inbox ringbuffer
5814 * @param cmd The inbox command to return
5815 * @param rptr The ringbuffer offset
5816 * @return true if not empty
5817 * @return false otherwise
5818 */
5819static inline bool dmub_rb_peek_offset(struct dmub_rb *rb,
5820				 union dmub_rb_cmd  **cmd,
5821				 uint32_t rptr)
5822{
5823	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rptr;
5824
5825	if (dmub_rb_empty(rb))
5826		return false;
5827
5828	*cmd = (union dmub_rb_cmd *)rb_cmd;
5829
5830	return true;
5831}
5832
5833/**
5834 * @brief Returns the next unprocessed command in the outbox.
5835 *
5836 * @param rb DMUB outbox ringbuffer
5837 * @param cmd The outbox command to return
5838 * @return true if not empty
5839 * @return false otherwise
5840 */
5841static inline bool dmub_rb_out_front(struct dmub_rb *rb,
5842				 union dmub_rb_out_cmd *cmd)
5843{
5844	const uint64_t volatile *src = (const uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->rptr);
5845	uint64_t *dst = (uint64_t *)cmd;
5846	uint8_t i;
5847
5848	if (dmub_rb_empty(rb))
5849		return false;
5850
5851	// copying data
5852	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
5853		*dst++ = *src++;
5854
5855	return true;
5856}
5857
5858/**
5859 * @brief Removes the front entry in the ringbuffer.
5860 *
5861 * @param rb DMUB ringbuffer
5862 * @return true if the command was removed
5863 * @return false if there were no commands
5864 */
5865static inline bool dmub_rb_pop_front(struct dmub_rb *rb)
5866{
5867	if (dmub_rb_empty(rb))
5868		return false;
5869
5870	rb->rptr += DMUB_RB_CMD_SIZE;
5871
5872	if (rb->rptr >= rb->capacity)
5873		rb->rptr %= rb->capacity;
5874
5875	return true;
5876}
5877
5878/**
5879 * @brief Flushes commands in the ringbuffer to framebuffer memory.
5880 *
5881 * Avoids a race condition where DMCUB accesses memory while
5882 * there are still writes in flight to framebuffer.
5883 *
5884 * @param rb DMUB ringbuffer
5885 */
5886static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
5887{
5888	uint32_t rptr = rb->rptr;
5889	uint32_t wptr = rb->wrpt;
5890
5891	while (rptr != wptr) {
5892		uint64_t *data = (uint64_t *)((uint8_t *)(rb->base_address) + rptr);
5893		uint8_t i;
5894
5895		for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
5896			(void)READ_ONCE(*data++);
5897
5898		rptr += DMUB_RB_CMD_SIZE;
5899		if (rptr >= rb->capacity)
5900			rptr %= rb->capacity;
5901	}
5902}
5903
5904/**
5905 * @brief Initializes a DMCUB ringbuffer
5906 *
5907 * @param rb DMUB ringbuffer
5908 * @param init_params initial configuration for the ringbuffer
5909 */
5910static inline void dmub_rb_init(struct dmub_rb *rb,
5911				struct dmub_rb_init_params *init_params)
5912{
5913	rb->base_address = init_params->base_address;
5914	rb->capacity = init_params->capacity;
5915	rb->rptr = init_params->read_ptr;
5916	rb->wrpt = init_params->write_ptr;
5917}
5918
5919/**
5920 * @brief Copies output data from in/out commands into the given command.
5921 *
5922 * @param rb DMUB ringbuffer
5923 * @param cmd Command to copy data into
5924 */
5925static inline void dmub_rb_get_return_data(struct dmub_rb *rb,
5926					   union dmub_rb_cmd *cmd)
5927{
5928	// Copy rb entry back into command
5929	uint8_t *rd_ptr = (rb->rptr == 0) ?
5930		(uint8_t *)rb->base_address + rb->capacity - DMUB_RB_CMD_SIZE :
5931		(uint8_t *)rb->base_address + rb->rptr - DMUB_RB_CMD_SIZE;
5932
5933	dmub_memcpy(cmd, rd_ptr, DMUB_RB_CMD_SIZE);
5934}
5935
5936//==============================================================================
5937//</DMUB_RB>====================================================================
5938//==============================================================================
5939#endif /* _DMUB_CMD_H_ */