xref: /linux/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h (revision b8ea7da314c2efcb9c2f559ed65b7a36c869d68e)
1 /*
2  * Note: This header is the authoritative source for the DMUB firmware
3  * command interface. In the Linux kernel, it is maintained as an
4  * auto-generated copy from an AMD internal repository.
5  *
6  * This file follows Doxygen formatting for firmware standards and
7  * is NOT intended to be kernel-doc compliant.
8  */
9 
10 /*
11  * Copyright 2019 Advanced Micro Devices, Inc.
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining a
14  * copy of this software and associated documentation files (the "Software"),
15  * to deal in the Software without restriction, including without limitation
16  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17  * and/or sell copies of the Software, and to permit persons to whom the
18  * Software is furnished to do so, subject to the following conditions:
19  *
20  * The above copyright notice and this permission notice shall be included in
21  * all copies or substantial portions of the Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
26  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29  * OTHER DEALINGS IN THE SOFTWARE.
30  *
31  * Authors: AMD
32  *
33  */
34 
35 #ifndef DMUB_CMD_H
36 #define DMUB_CMD_H
37 
38 #include <asm/byteorder.h>
39 #include <linux/types.h>
40 #include <linux/string.h>
41 #include <linux/delay.h>
42 
43 #include "atomfirmware.h"
44 
45 //<DMUB_TYPES>==================================================================
46 /* Basic type definitions. */
47 
48 #ifdef __forceinline
49 #undef __forceinline
50 #endif
51 #define __forceinline inline
52 
53 /**
54  * Flag from driver to indicate that ABM should be disabled gradually
55  * by slowly reversing all backlight programming and pixel compensation.
56  */
57 #define SET_ABM_PIPE_GRADUALLY_DISABLE           0
58 
59 /**
60  * Flag from driver to indicate that ABM should be disabled immediately
61  * and undo all backlight programming and pixel compensation.
62  */
63 #define SET_ABM_PIPE_IMMEDIATELY_DISABLE         255
64 
65 /**
66  * Flag from driver to indicate that ABM should be disabled immediately
67  * and keep the current backlight programming and pixel compensation.
68  */
69 #define SET_ABM_PIPE_IMMEDIATE_KEEP_GAIN_DISABLE 254
70 
71 /**
72  * Flag from driver to set the current ABM pipe index or ABM operating level.
73  */
74 #define SET_ABM_PIPE_NORMAL                      1
75 
76 /**
77  * Number of ambient light levels in ABM algorithm.
78  */
79 #define NUM_AMBI_LEVEL                  5
80 
81 /**
82  * Number of operating/aggression levels in ABM algorithm.
83  */
84 #define NUM_AGGR_LEVEL                  4
85 
86 /**
87  * Number of segments in the gamma curve.
88  */
89 #define NUM_POWER_FN_SEGS               8
90 
91 /**
92  * Number of segments in the backlight curve.
93  */
94 #define NUM_BL_CURVE_SEGS               16
95 
96 /**
97  * Maximum number of segments in ABM ACE curve.
98  */
99 #define ABM_MAX_NUM_OF_ACE_SEGMENTS         64
100 
101 /**
102  * Maximum number of bins in ABM histogram.
103  */
104 #define ABM_MAX_NUM_OF_HG_BINS              64
105 
106 /**
107  * Flag from driver to indicate that CACP should be disabled gradually
108  * by slowly reversing all programming and pixel compensation.
109  */
110 #define SET_CACP_PIPE_GRADUALLY_DISABLE           0
111 
112 /**
113  * Flag from driver to indicate that CACP should be disabled immediately
114  * and undo all programming and pixel compensation.
115  */
116 #define SET_CACP_PIPE_IMMEDIATELY_DISABLE         255
117 
118 /**
119  * Flag from driver to indicate that CACP should be disabled immediately
120  * and keep the current programming and pixel compensation.
121  */
122 #define SET_CACP_PIPE_IMMEDIATE_KEEP_GAIN_DISABLE 254
123 
124 /**
125  * Flag from driver to indicate that CACP should be disabled immediately
126  * on the next abm vertical interrupt
127  */
128 #define SET_CACP_PIPE_IMMEDIATE_ON_NEXT_DISABLE 253
129 
130 /**
131  * Flag from driver to set the current CACP pipe index or CACP operating level.
132  */
133 #define SET_CACP_PIPE_NORMAL                      1
134 
135 /* Maximum number of SubVP streams */
136 #define DMUB_MAX_SUBVP_STREAMS 2
137 
138 /* Define max FPO streams as 4 for now. Current implementation today
139  * only supports 1, but could be more in the future. Reduce array
140  * size to ensure the command size remains less than 64 bytes if
141  * adding new fields.
142  */
143 #define DMUB_MAX_FPO_STREAMS 4
144 
145 /* Define to ensure that the "common" members always appear in the same
146  * order in different structs for back compat purposes
147  */
148 #define COMMON_STREAM_STATIC_SUB_STATE \
149     struct dmub_fams2_cmd_legacy_stream_static_state legacy; \
150     struct dmub_fams2_cmd_subvp_stream_static_state subvp; \
151     struct dmub_fams2_cmd_drr_stream_static_state drr;
152 
153 /* Maximum number of streams on any ASIC. */
154 #define DMUB_MAX_STREAMS 6
155 
156 /* Maximum number of planes on any ASIC. */
157 #define DMUB_MAX_PLANES 6
158 
159 /* Maximum number of phantom planes on any ASIC */
160 #define DMUB_MAX_PHANTOM_PLANES ((DMUB_MAX_PLANES) / 2)
161 
162 /* Trace buffer offset for entry */
163 #define TRACE_BUFFER_ENTRY_OFFSET 16
164 
165 /**
166  * Maximum number of dirty rects supported by FW.
167  */
168 #define DMUB_MAX_DIRTY_RECTS 3
169 
170 /**
171  *
172  * PSR control version legacy
173  */
174 #define DMUB_CMD_PSR_CONTROL_VERSION_UNKNOWN 0x0
175 /**
176  * PSR control version with multi edp support
177  */
178 #define DMUB_CMD_PSR_CONTROL_VERSION_1 0x1
179 
180 /**
181  *
182  * dirty rect cmd version legacy
183  */
184 #define DMUB_CMD_DIRTY_RECTS_VERSION_UNKNOWN 0x0
185 /**
186  * dirty rect cmd version with multi edp support
187  */
188 #define DMUB_CMD_DIRTY_RECTS_VERSION_1 0x1
189 /**
190  * dirty rect cmd version with external monitor support
191  */
192 #define DMUB_CMD_DIRTY_RECTS_VERSION_2 0x2
193 
194 /**
195  *
196  * Cursor update cmd version legacy
197  */
198 #define DMUB_CMD_CURSOR_UPDATE_VERSION_UNKNOWN 0x0
199 /**
200  * Cursor update cmd version with multi edp support
201  */
202 #define DMUB_CMD_CURSOR_UPDATE_VERSION_1 0x1
203 /**
204  * Cursor update cmd version with external monitor support
205  */
206 #define DMUB_CMD_CURSOR_UPDATE_VERSION_2 0x2
207 
208 /**
209  * ABM control version legacy
210  */
211 #define DMUB_CMD_ABM_CONTROL_VERSION_UNKNOWN 0x0
212 
213 /**
214  * ABM control version with multi edp support
215  */
216 #define DMUB_CMD_ABM_CONTROL_VERSION_1 0x1
217 
218 /**
219  * CACP control version legacy
220  */
221 #define DMUB_CMD_CACP_CONTROL_VERSION_UNKNOWN 0x0
222 
223 /**
224  * CACP control version with multi edp support
225  */
226 #define DMUB_CMD_CACP_CONTROL_VERSION_1 0x1
227 
228 /**
229  * CACP control mode with dynamic switch between v1 and v2
230  */
231 #define DMUB_CMD_CACP_CONTROL_MODE_0 0x0
232 
233 /**
234  * CACP control version with forced configure to v1 on new ABM HW
235  */
236 #define DMUB_CMD_CACP_CONTROL_MODE_1 0x1
237 
238 /**
239  * Physical framebuffer address location, 64-bit.
240  */
241 #ifndef PHYSICAL_ADDRESS_LOC
242 #define PHYSICAL_ADDRESS_LOC union large_integer
243 #endif
244 
245 /**
246  * OS/FW agnostic memcpy
247  */
248 #ifndef dmub_memcpy
249 #define dmub_memcpy(dest, source, bytes) memcpy((dest), (source), (bytes))
250 #endif
251 
252 /**
253  * OS/FW agnostic memset
254  */
255 #ifndef dmub_memset
256 #define dmub_memset(dest, val, bytes) memset((dest), (val), (bytes))
257 #endif
258 
259 /**
260  * OS/FW agnostic memcmp
261  */
262 #ifndef dmub_memcmp
263 #define dmub_memcmp(lhs, rhs, bytes) memcmp((lhs), (rhs), (bytes))
264 #endif
265 
266 /**
267  * OS/FW agnostic udelay
268  */
269 #ifndef dmub_udelay
270 #define dmub_udelay(microseconds) udelay(microseconds)
271 #endif
272 
273 #pragma pack(push, 1)
274 #define ABM_NUM_OF_ACE_SEGMENTS         5
275 
276 /**
277  * Debug FW state offset
278  */
279 #define DMUB_DEBUG_FW_STATE_OFFSET 0x300
280 
281 union abm_flags {
282 	struct {
283 		/**
284 		 * @abm_enabled: Indicates if ABM is enabled.
285 		 */
286 		unsigned int abm_enabled : 1;
287 
288 		/**
289 		 * @disable_abm_requested: Indicates if driver has requested ABM to be disabled.
290 		 */
291 		unsigned int disable_abm_requested : 1;
292 
293 		/**
294 		 * @disable_abm_immediately: Indicates if driver has requested ABM to be disabled immediately.
295 		 */
296 		unsigned int disable_abm_immediately : 1;
297 
298 		/**
299 		 * @disable_abm_immediate_keep_gain: Indicates if driver has requested ABM
300 		 * to be disabled immediately and keep gain.
301 		 */
302 		unsigned int disable_abm_immediate_keep_gain : 1;
303 
304 		/**
305 		 * @fractional_pwm: Indicates if fractional duty cycle for backlight PWM is enabled.
306 		 */
307 		unsigned int fractional_pwm : 1;
308 
309 		/**
310 		 * @abm_gradual_bl_change: Indicates if algorithm has completed gradual adjustment
311 		 * of user backlight level.
312 		 */
313 		unsigned int abm_gradual_bl_change : 1;
314 
315 		/**
316 		 * @abm_new_frame: Indicates if a new frame update needed for ABM to ramp up into steady
317 		 */
318 		unsigned int abm_new_frame : 1;
319 
320 		/**
321 		 * @vb_scaling_enabled: Indicates variBright Scaling Enable
322 		 */
323 		unsigned int vb_scaling_enabled : 1;
324 	} bitfields;
325 
326 	unsigned int u32All;
327 };
328 
329 struct abm_save_restore {
330 	/**
331 	 * @flags: Misc. ABM flags.
332 	 */
333 	union abm_flags flags;
334 
335 	/**
336 	 * @pause: true:  pause ABM and get state
337 	 *         false: unpause ABM after setting state
338 	 */
339 	uint32_t pause;
340 
341 	/**
342 	 * @next_ace_slope: Next ACE slopes to be programmed in HW (u3.13)
343 	 */
344 	uint32_t next_ace_slope[ABM_NUM_OF_ACE_SEGMENTS];
345 
346 	/**
347 	 * @next_ace_thresh: Next ACE thresholds to be programmed in HW (u10.6)
348 	 */
349 	uint32_t next_ace_thresh[ABM_NUM_OF_ACE_SEGMENTS];
350 
351 	/**
352 	 * @next_ace_offset: Next ACE offsets to be programmed in HW (u10.6)
353 	 */
354 	uint32_t next_ace_offset[ABM_NUM_OF_ACE_SEGMENTS];
355 
356 
357 	/**
358 	 * @knee_threshold: Current x-position of ACE knee (u0.16).
359 	 */
360 	uint32_t knee_threshold;
361 	/**
362 	 * @current_gain: Current backlight reduction (u16.16).
363 	 */
364 	uint32_t current_gain;
365 	/**
366 	 * @curr_bl_level: Current actual backlight level converging to target backlight level.
367 	 */
368 	uint16_t curr_bl_level;
369 
370 	/**
371 	 * @curr_user_bl_level: Current nominal backlight level converging to level requested by user.
372 	 */
373 	uint16_t curr_user_bl_level;
374 
375 };
376 
377 /**
378  * union dmub_addr - DMUB physical/virtual 64-bit address.
379  */
380 union dmub_addr {
381 	struct {
382 		uint32_t low_part; /**< Lower 32 bits */
383 		uint32_t high_part; /**< Upper 32 bits */
384 	} u; /*<< Low/high bit access */
385 	uint64_t quad_part; /*<< 64 bit address */
386 };
387 
388 /* Flattened structure containing SOC BB parameters stored in the VBIOS
389  * It is not practical to store the entire bounding box in VBIOS since the bounding box struct can gain new parameters.
390  * This also prevents alighment issues when new parameters are added to the SoC BB.
391  * The following parameters should be added since these values can't be obtained elsewhere:
392  * -dml2_soc_power_management_parameters
393  * -dml2_soc_vmin_clock_limits
394  */
395 struct dmub_soc_bb_params {
396 	uint32_t dram_clk_change_blackout_ns;
397 	uint32_t dram_clk_change_read_only_ns;
398 	uint32_t dram_clk_change_write_only_ns;
399 	uint32_t fclk_change_blackout_ns;
400 	uint32_t g7_ppt_blackout_ns;
401 	uint32_t stutter_enter_plus_exit_latency_ns;
402 	uint32_t stutter_exit_latency_ns;
403 	uint32_t z8_stutter_enter_plus_exit_latency_ns;
404 	uint32_t z8_stutter_exit_latency_ns;
405 	uint32_t z8_min_idle_time_ns;
406 	uint32_t type_b_dram_clk_change_blackout_ns;
407 	uint32_t type_b_ppt_blackout_ns;
408 	uint32_t vmin_limit_dispclk_khz;
409 	uint32_t vmin_limit_dcfclk_khz;
410 	uint32_t g7_temperature_read_blackout_ns;
411 };
412 #pragma pack(pop)
413 
414 /**
415  * Dirty rect definition.
416  */
417 struct dmub_rect {
418 	/**
419 	 * Dirty rect x offset.
420 	 */
421 	uint32_t x;
422 
423 	/**
424 	 * Dirty rect y offset.
425 	 */
426 	uint32_t y;
427 
428 	/**
429 	 * Dirty rect width.
430 	 */
431 	uint32_t width;
432 
433 	/**
434 	 * Dirty rect height.
435 	 */
436 	uint32_t height;
437 };
438 
439 /**
440  * Flags that can be set by driver to change some PSR behaviour.
441  */
442 union dmub_psr_debug_flags {
443 	/**
444 	 * Debug flags.
445 	 */
446 	struct {
447 		/**
448 		 * Enable visual confirm in FW.
449 		 */
450 		uint32_t visual_confirm : 1;
451 
452 		/**
453 		 * Force all selective updates to bw full frame updates.
454 		 */
455 		uint32_t force_full_frame_update : 1;
456 
457 		/**
458 		 * Use HW Lock Mgr object to do HW locking in FW.
459 		 */
460 		uint32_t use_hw_lock_mgr : 1;
461 
462 		/**
463 		 * Use TPS3 signal when restore main link.
464 		 */
465 		uint32_t force_wakeup_by_tps3 : 1;
466 
467 		/**
468 		 * Back to back flip, therefore cannot power down PHY
469 		 */
470 		uint32_t back_to_back_flip : 1;
471 
472 		/**
473 		 * Enable visual confirm for IPS
474 		 */
475 		uint32_t enable_ips_visual_confirm : 1;
476 	} bitfields;
477 
478 	/**
479 	 * Union for debug flags.
480 	 */
481 	uint32_t u32All;
482 };
483 
484 /**
485  * Flags that can be set by driver to change some Replay behaviour.
486  */
487 union replay_debug_flags {
488 	struct {
489 		/**
490 		 * 0x1 (bit 0)
491 		 * Enable visual confirm in FW.
492 		 */
493 		uint32_t visual_confirm : 1;
494 
495 		/**
496 		 * 0x2 (bit 1)
497 		 * @skip_crc: Set if need to skip CRC.
498 		 */
499 		uint32_t skip_crc : 1;
500 
501 		/**
502 		 * 0x4 (bit 2)
503 		 * @force_link_power_on: Force disable ALPM control
504 		 */
505 		uint32_t force_link_power_on : 1;
506 
507 		/**
508 		 * 0x8 (bit 3)
509 		 * @force_phy_power_on: Force phy power on
510 		 */
511 		uint32_t force_phy_power_on : 1;
512 
513 		/**
514 		 * 0x10 (bit 4)
515 		 * @timing_resync_disabled: Disabled Replay normal sleep mode timing resync
516 		 */
517 		uint32_t timing_resync_disabled : 1;
518 
519 		/**
520 		 * 0x20 (bit 5)
521 		 * @skip_crtc_disabled: CRTC disable skipped
522 		 */
523 		uint32_t skip_crtc_disabled : 1;
524 
525 		/**
526 		 * 0x40 (bit 6)
527 		 * @force_defer_one_frame_update: Force defer one frame update in ultra sleep mode
528 		 */
529 		uint32_t force_defer_one_frame_update : 1;
530 
531 		/**
532 		 * 0x80 (bit 7)
533 		 * @disable_delay_alpm_on: Force disable delay alpm on
534 		 */
535 		uint32_t disable_delay_alpm_on : 1;
536 
537 		/**
538 		 * 0x100 (bit 8)
539 		 * @disable_desync_error_check: Force disable desync error check
540 		 */
541 		uint32_t disable_desync_error_check : 1;
542 
543 		/**
544 		 * 0x200 (bit 9)
545 		 * @force_self_update_when_abm_non_steady: Force self update if abm is not steady
546 		 */
547 		uint32_t force_self_update_when_abm_non_steady : 1;
548 
549 		/**
550 		 * 0x400 (bit 10)
551 		 * @enable_ips_visual_confirm: Enable IPS visual confirm when entering IPS
552 		 * If we enter IPS2, the Visual confirm bar will change to yellow
553 		 */
554 		uint32_t enable_ips_visual_confirm : 1;
555 
556 		/**
557 		 * 0x800 (bit 11)
558 		 * @enable_ips_residency_profiling: Enable IPS residency profiling
559 		 */
560 		uint32_t enable_ips_residency_profiling : 1;
561 
562 		/**
563 		 * 0x1000 (bit 12)
564 		 * @enable_coasting_vtotal_check: Enable Coasting_vtotal_check
565 		 */
566 		uint32_t enable_coasting_vtotal_check : 1;
567 		/**
568 		 * 0x2000 (bit 13)
569 		 * @enable_visual_confirm_debug: Enable Visual Confirm Debug
570 		 */
571 		uint32_t enable_visual_confirm_debug : 1;
572 
573 		/**
574 		 * 0x4000 (bit 14)
575 		 * @debug_log_enabled: Debug Log Enabled
576 		 */
577 		uint32_t debug_log_enabled : 1;
578 
579 		/**
580 		 * 0x8000 (bit 15)
581 		 * @enable_sub_feature_visual_confirm: Enable Sub Feature Visual Confirm
582 		 */
583 		uint32_t enable_sub_feature_visual_confirm : 1;
584 
585 		uint32_t reserved : 16;
586 	} bitfields;
587 
588 	uint32_t u32All;
589 };
590 
591 /**
592  * Flags record error state.
593  */
594 union replay_visual_confirm_error_state_flags {
595 	struct {
596 		/**
597 		 * 0x1 (bit 0) - Desync Error flag.
598 		 */
599 		uint32_t desync_error : 1;
600 
601 		/**
602 		 * 0x2 (bit 1) - State Transition Error flag.
603 		 */
604 		uint32_t state_transition_error : 1;
605 
606 		/**
607 		 * 0x4 (bit 2) - Crc Error flag
608 		 */
609 		uint32_t crc_error : 1;
610 
611 		/**
612 		 * 0x8 (bit 3) - Reserved
613 		 */
614 		uint32_t reserved_3 : 1;
615 
616 		/**
617 		 * 0x10 (bit 4) - Incorrect Coasting vtotal checking --> use debug flag to control DPCD write.
618 		 * Added new debug flag to control DPCD.
619 		 */
620 		uint32_t incorrect_vtotal_in_static_screen : 1;
621 
622 		/**
623 		 * 0x20 (bit 5) - No doubled Refresh Rate.
624 		 */
625 		uint32_t no_double_rr : 1;
626 
627 		/**
628 		 * Reserved bit 6-7
629 		 */
630 		uint32_t reserved_6_7 : 2;
631 
632 		/**
633 		 * Reserved bit 9-31
634 		 */
635 		uint32_t reserved_9_31 : 24;
636 	} bitfields;
637 
638 	uint32_t u32All;
639 };
640 
641 union replay_hw_flags {
642 	struct {
643 		/**
644 		 * @allow_alpm_fw_standby_mode: To indicate whether the
645 		 * ALPM FW standby mode is allowed
646 		 */
647 		uint32_t allow_alpm_fw_standby_mode : 1;
648 
649 		/*
650 		 * @dsc_enable_status: DSC enable status in driver
651 		 */
652 		uint32_t dsc_enable_status : 1;
653 
654 		/**
655 		 * @fec_enable_status: receive fec enable/disable status from driver
656 		 */
657 		uint32_t fec_enable_status : 1;
658 
659 		/*
660 		 * @smu_optimizations_en: SMU power optimization.
661 		 * Only when active display is Replay capable and display enters Replay.
662 		 * Trigger interrupt to SMU to powerup/down.
663 		 */
664 		uint32_t smu_optimizations_en : 1;
665 
666 		/**
667 		 * @phy_power_state: Indicates current phy power state
668 		 */
669 		uint32_t phy_power_state : 1;
670 
671 		/**
672 		 * @link_power_state: Indicates current link power state
673 		 */
674 		uint32_t link_power_state : 1;
675 		/**
676 		 * Use TPS3 signal when restore main link.
677 		 */
678 		uint32_t force_wakeup_by_tps3 : 1;
679 		/**
680 		 * @is_alpm_initialized: Indicates whether ALPM is initialized
681 		 */
682 		uint32_t is_alpm_initialized : 1;
683 
684 		/**
685 		 * @alpm_mode: Indicates ALPM mode selected
686 		 */
687 		uint32_t alpm_mode : 2;
688 	} bitfields;
689 
690 	uint32_t u32All;
691 };
692 
693 /**
694  * Flags that can be set by driver to change some Panel Replay behaviour.
695  */
696 union pr_debug_flags {
697 	struct {
698 		/**
699 		 * 0x1 (bit 0)
700 		 * Enable visual confirm in FW.
701 		 */
702 		uint32_t visual_confirm : 1;
703 
704 		/**
705 		 * 0x2 (bit 1)
706 		 * @skip_crc: Set if need to skip CRC.
707 		 */
708 		uint32_t skip_crc : 1;
709 
710 		/**
711 		 * 0x4 (bit 2)
712 		 * @force_link_power_on: Force disable ALPM control
713 		 */
714 		uint32_t force_link_power_on : 1;
715 
716 		/**
717 		 * 0x8 (bit 3)
718 		 * @force_phy_power_on: Force phy power on
719 		 */
720 		uint32_t force_phy_power_on : 1;
721 
722 		/**
723 		 * 0x10 (bit 4)
724 		 * @visual_confirm_rate_control: Enable Visual Confirm rate control detection
725 		 */
726 		uint32_t visual_confirm_rate_control : 1;
727 
728 		/**
729 		 * 0x20 (bit 5)
730 		 * @force_full_frame_update: Force all selective updates to be full frame updates
731 		 */
732 		uint32_t force_full_frame_update : 1;
733 
734 		/**
735 		 * 0x40 (bit 6)
736 		 * @force_dpg_on: Force DPG on
737 		 */
738 		uint32_t force_dpg_on : 1;
739 
740 		/**
741 		 * 0x80 (bit 7)
742 		 * @force_hubp_on: Force Hubp on
743 		 */
744 		uint32_t force_hubp_on : 1;
745 
746 		uint32_t reserved : 24;
747 	} bitfields;
748 
749 	uint32_t u32All;
750 };
751 
752 union pr_hw_flags {
753 	struct {
754 		/**
755 		 * @allow_alpm_fw_standby_mode: To indicate whether the
756 		 * ALPM FW standby mode is allowed
757 		 */
758 		uint32_t allow_alpm_fw_standby_mode : 1;
759 
760 		/*
761 		 * @dsc_enable_status: DSC enable status in driver
762 		 */
763 		uint32_t dsc_enable_status : 1;
764 
765 		/**
766 		 * @fec_enable_status: receive fec enable/disable status from driver
767 		 */
768 		uint32_t fec_enable_status : 1;
769 		/*
770 		 * @smu_optimizations_en: SMU power optimization.
771 		 * Only when active display is Replay capable and display enters Replay.
772 		 * Trigger interrupt to SMU to powerup/down.
773 		 */
774 		uint32_t smu_optimizations_en : 1;
775 		/**
776 		 * @link_power_state: Indicates current link power state
777 		 */
778 		uint32_t link_power_state : 1;
779 		/**
780 		 * Use TPS3 signal when restore main link.
781 		 */
782 		uint32_t force_wakeup_by_tps3 : 1;
783 		/**
784 		 * @is_alpm_initialized: Indicates whether ALPM is initialized
785 		 */
786 		uint32_t is_alpm_initialized : 1;
787 		/**
788 		 * @alpm_mode: Indicates ALPM mode selected
789 		 */
790 		uint32_t alpm_mode : 2;
791 		uint32_t reserved : 23;
792 	} bitfields;
793 
794 	uint32_t u32All;
795 };
796 
797 /**
798  * Definition of Panel Replay ML Activity Options
799  */
800 enum pr_ml_activity_option {
801 	OPTION_DEFAULT	= 0x00, // VESA Option Default (1C)
802 	OPTION_1A		= 0x01, // VESA Option 1A
803 	OPTION_1B		= 0x02, // VESA Option 1B
804 	OPTION_1C		= 0x03, // VESA Option 1C
805 };
806 
807 union fw_assisted_mclk_switch_version {
808 	struct {
809 		uint8_t minor : 5;
810 		uint8_t major : 3;
811 	};
812 	uint8_t ver;
813 };
814 
815 /**
816  * DMUB feature capabilities.
817  * After DMUB init, driver will query FW capabilities prior to enabling certain features.
818  */
819 struct dmub_feature_caps {
820 	/**
821 	 * Max PSR version supported by FW.
822 	 */
823 	uint8_t psr;
824 	uint8_t fw_assisted_mclk_switch_ver;
825 	uint8_t reserved[4];
826 	uint8_t subvp_psr_support;
827 	uint8_t gecc_enable;
828 	uint8_t replay_supported;
829 	uint8_t replay_reserved[3];
830 	uint8_t abm_aux_backlight_support;
831 	uint8_t lsdma_support_in_dmu;
832 };
833 
834 struct dmub_visual_confirm_color {
835 	/**
836 	 * Maximum 10 bits color value
837 	 */
838 	uint16_t color_r_cr;
839 	uint16_t color_g_y;
840 	uint16_t color_b_cb;
841 	uint16_t panel_inst;
842 };
843 
844 /**
845  * struct dmub_cursor_offload_pipe_data_dcn30_v1 - DCN30+ per pipe data.
846  */
847 struct dmub_cursor_offload_pipe_data_dcn30_v1 {
848 	uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS;
849 	uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS_HIGH;
850 	uint32_t CURSOR0_0_CURSOR_SIZE__CURSOR_WIDTH : 16;
851 	uint32_t CURSOR0_0_CURSOR_SIZE__CURSOR_HEIGHT : 16;
852 	uint32_t CURSOR0_0_CURSOR_POSITION__CURSOR_X_POSITION : 16;
853 	uint32_t CURSOR0_0_CURSOR_POSITION__CURSOR_Y_POSITION : 16;
854 	uint32_t CURSOR0_0_CURSOR_HOT_SPOT__CURSOR_HOT_SPOT_X : 16;
855 	uint32_t CURSOR0_0_CURSOR_HOT_SPOT__CURSOR_HOT_SPOT_Y : 16;
856 	uint32_t CURSOR0_0_CURSOR_DST_OFFSET__CURSOR_DST_X_OFFSET : 13;
857 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_ENABLE : 1;
858 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_MODE : 3;
859 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_2X_MAGNIFY : 1;
860 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_PITCH : 2;
861 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_LINES_PER_CHUNK : 5;
862 	uint32_t reserved0[4];
863 	uint32_t CNVC_CUR0_CURSOR0_CONTROL__CUR0_ENABLE : 1;
864 	uint32_t CNVC_CUR0_CURSOR0_CONTROL__CUR0_MODE : 3;
865 	uint32_t CNVC_CUR0_CURSOR0_CONTROL__CUR0_EXPANSION_MODE : 1;
866 	uint32_t CNVC_CUR0_CURSOR0_CONTROL__CUR0_ROM_EN : 1;
867 	uint32_t CNVC_CUR0_CURSOR0_COLOR0__CUR0_COLOR0 : 24;
868 	uint32_t CNVC_CUR0_CURSOR0_COLOR1__CUR0_COLOR1 : 24;
869 	uint32_t CNVC_CUR0_CURSOR0_FP_SCALE_BIAS__CUR0_FP_BIAS : 16;
870 	uint32_t CNVC_CUR0_CURSOR0_FP_SCALE_BIAS__CUR0_FP_SCALE, : 16;
871 	uint32_t reserved1[5];
872 	uint32_t HUBPREQ0_CURSOR_SETTINGS__CURSOR0_DST_Y_OFFSET : 8;
873 	uint32_t HUBPREQ0_CURSOR_SETTINGS__CURSOR0_CHUNK_HDL_ADJUST : 8;
874 	uint32_t reserved2[3];
875 };
876 
877 /**
878  * struct dmub_cursor_offload_pipe_data_dcn401_v1 - DCN401 per pipe data.
879  */
880 struct dmub_cursor_offload_pipe_data_dcn401_v1 {
881 	uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS;
882 	uint32_t CURSOR0_0_CURSOR_SURFACE_ADDRESS_HIGH;
883 	uint32_t CURSOR0_0_CURSOR_SIZE__CURSOR_WIDTH : 16;
884 	uint32_t CURSOR0_0_CURSOR_SIZE__CURSOR_HEIGHT : 16;
885 	uint32_t CURSOR0_0_CURSOR_POSITION__CURSOR_X_POSITION : 16;
886 	uint32_t CURSOR0_0_CURSOR_POSITION__CURSOR_Y_POSITION : 16;
887 	uint32_t CURSOR0_0_CURSOR_HOT_SPOT__CURSOR_HOT_SPOT_X : 16;
888 	uint32_t CURSOR0_0_CURSOR_HOT_SPOT__CURSOR_HOT_SPOT_Y : 16;
889 	uint32_t CURSOR0_0_CURSOR_DST_OFFSET__CURSOR_DST_X_OFFSET : 13;
890 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_ENABLE : 1;
891 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_MODE : 3;
892 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_2X_MAGNIFY : 1;
893 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_PITCH : 2;
894 	uint32_t CURSOR0_0_CURSOR_CONTROL__CURSOR_LINES_PER_CHUNK : 5;
895 	uint32_t reserved0[4];
896 	uint32_t CM_CUR0_CURSOR0_CONTROL__CUR0_ENABLE : 1;
897 	uint32_t CM_CUR0_CURSOR0_CONTROL__CUR0_MODE : 3;
898 	uint32_t CM_CUR0_CURSOR0_CONTROL__CUR0_EXPANSION_MODE : 1;
899 	uint32_t CM_CUR0_CURSOR0_CONTROL__CUR0_ROM_EN : 1;
900 	uint32_t CM_CUR0_CURSOR0_COLOR0__CUR0_COLOR0 : 24;
901 	uint32_t CM_CUR0_CURSOR0_COLOR1__CUR0_COLOR1 : 24;
902 	uint32_t CM_CUR0_CURSOR0_FP_SCALE_BIAS_G_Y__CUR0_FP_BIAS_G_Y : 16;
903 	uint32_t CM_CUR0_CURSOR0_FP_SCALE_BIAS_G_Y__CUR0_FP_SCALE_G_Y, : 16;
904 	uint32_t CM_CUR0_CURSOR0_FP_SCALE_BIAS_RB_CRCB__CUR0_FP_BIAS_RB_CRCB : 16;
905 	uint32_t CM_CUR0_CURSOR0_FP_SCALE_BIAS_RB_CRCB__CUR0_FP_SCALE_RB_CRCB : 16;
906 	uint32_t reserved1[4];
907 	uint32_t HUBPREQ0_CURSOR_SETTINGS__CURSOR0_DST_Y_OFFSET : 8;
908 	uint32_t HUBPREQ0_CURSOR_SETTINGS__CURSOR0_CHUNK_HDL_ADJUST : 8;
909 	uint32_t HUBP0_DCHUBP_MALL_CONFIG__USE_MALL_FOR_CURSOR : 1;
910 	uint32_t reserved2[3];
911 };
912 
913 /**
914  * struct dmub_cursor_offload_pipe_data_v1 - Per pipe data for cursor offload.
915  */
916 struct dmub_cursor_offload_pipe_data_v1 {
917 	union {
918 		struct dmub_cursor_offload_pipe_data_dcn30_v1 dcn30; /**< DCN30 cursor data. */
919 		struct dmub_cursor_offload_pipe_data_dcn401_v1 dcn401; /**< DCN401 cursor data. */
920 		uint8_t payload[96]; /**< Guarantees the cursor pipe data size per-pipe. */
921 	};
922 };
923 
924 /**
925  * struct dmub_cursor_offload_payload_data_v1 - A payload of stream data.
926  */
927 struct dmub_cursor_offload_payload_data_v1 {
928 	uint32_t write_idx_start; /**< Write index, updated before pipe_data is written. */
929 	uint32_t write_idx_finish; /**< Write index, updated after pipe_data is written. */
930 	uint32_t pipe_mask; /**< Mask of pipes to update. */
931 	uint32_t reserved; /**< Reserved for future use. */
932 	struct dmub_cursor_offload_pipe_data_v1 pipe_data[6]; /**< Per-pipe cursor data. */
933 };
934 
935 /**
936  * struct dmub_cursor_offload_stream_v1 - Per-stream data for cursor offload.
937  */
938 struct dmub_cursor_offload_stream_v1 {
939 	struct dmub_cursor_offload_payload_data_v1 payloads[4]; /**< A small buffer of cursor payloads. */
940 	uint32_t write_idx; /**< The index of the last written payload. */
941 };
942 
943 /**
944  * struct dmub_cursor_offload_v1 - Cursor offload feature state.
945  */
946 struct dmub_cursor_offload_v1 {
947 	struct dmub_cursor_offload_stream_v1 offload_streams[6]; /**< Per-stream cursor offload data */
948 };
949 
950 //==============================================================================
951 //</DMUB_TYPES>=================================================================
952 //==============================================================================
953 //< DMUB_META>==================================================================
954 //==============================================================================
955 #pragma pack(push, 1)
956 
957 /* Magic value for identifying dmub_fw_meta_info */
958 #define DMUB_FW_META_MAGIC 0x444D5542
959 
960 /* Offset from the end of the file to the dmub_fw_meta_info */
961 #define DMUB_FW_META_OFFSET 0x24
962 
963 /**
964  * union dmub_fw_meta_feature_bits - Static feature bits for pre-initialization
965  */
966 union dmub_fw_meta_feature_bits {
967 	struct {
968 		uint32_t shared_state_link_detection : 1; /**< 1 supports link detection via shared state */
969 		uint32_t cursor_offload_v1_support: 1; /**< 1 supports cursor offload */
970 		uint32_t inbox0_lock_support: 1; /**< 1 supports inbox0 lock mechanism */
971 		uint32_t reserved : 29;
972 	} bits; /**< status bits */
973 	uint32_t all; /**< 32-bit access to status bits */
974 };
975 
976 /**
977  * struct dmub_fw_meta_info - metadata associated with fw binary
978  *
979  * NOTE: This should be considered a stable API. Fields should
980  *       not be repurposed or reordered. New fields should be
981  *       added instead to extend the structure.
982  *
983  * @magic_value: magic value identifying DMUB firmware meta info
984  * @fw_region_size: size of the firmware state region
985  * @trace_buffer_size: size of the tracebuffer region
986  * @fw_version: the firmware version information
987  * @dal_fw: 1 if the firmware is DAL
988  * @shared_state_size: size of the shared state region in bytes
989  * @shared_state_features: number of shared state features
990  */
991 struct dmub_fw_meta_info {
992 	uint32_t magic_value; /**< magic value identifying DMUB firmware meta info */
993 	uint32_t fw_region_size; /**< size of the firmware state region */
994 	uint32_t trace_buffer_size; /**< size of the tracebuffer region */
995 	uint32_t fw_version; /**< the firmware version information */
996 	uint8_t dal_fw; /**< 1 if the firmware is DAL */
997 	uint8_t reserved[3]; /**< padding bits */
998 	uint32_t shared_state_size; /**< size of the shared state region in bytes */
999 	uint16_t shared_state_features; /**< number of shared state features */
1000 	uint16_t reserved2; /**< padding bytes */
1001 	union dmub_fw_meta_feature_bits feature_bits; /**< static feature bits */
1002 };
1003 
1004 /**
1005  * union dmub_fw_meta - ensures that dmub_fw_meta_info remains 64 bytes
1006  */
1007 union dmub_fw_meta {
1008 	struct dmub_fw_meta_info info; /**< metadata info */
1009 	uint8_t reserved[64]; /**< padding bits */
1010 };
1011 
1012 #pragma pack(pop)
1013 
1014 //==============================================================================
1015 //< DMUB Trace Buffer>================================================================
1016 //==============================================================================
1017 #if !defined(TENSILICA) && !defined(DMUB_TRACE_ENTRY_DEFINED)
1018 /**
1019  * dmub_trace_code_t - firmware trace code, 32-bits
1020  */
1021 typedef uint32_t dmub_trace_code_t;
1022 
1023 /**
1024  * struct dmcub_trace_buf_entry - Firmware trace entry
1025  */
1026 struct dmcub_trace_buf_entry {
1027 	dmub_trace_code_t trace_code; /**< trace code for the event */
1028 	uint32_t tick_count; /**< the tick count at time of trace */
1029 	uint32_t param0; /**< trace defined parameter 0 */
1030 	uint32_t param1; /**< trace defined parameter 1 */
1031 };
1032 #endif
1033 
1034 //==============================================================================
1035 //< DMUB_STATUS>================================================================
1036 //==============================================================================
1037 
1038 /**
1039  * DMCUB scratch registers can be used to determine firmware status.
1040  * Current scratch register usage is as follows:
1041  *
1042  * SCRATCH0: FW Boot Status register
1043  * SCRATCH5: LVTMA Status Register
1044  * SCRATCH15: FW Boot Options register
1045  */
1046 
1047 /**
1048  * union dmub_fw_boot_status - Status bit definitions for SCRATCH0.
1049  */
1050 union dmub_fw_boot_status {
1051 	struct {
1052 		uint32_t dal_fw : 1; /**< 1 if DAL FW */
1053 		uint32_t mailbox_rdy : 1; /**< 1 if mailbox ready */
1054 		uint32_t optimized_init_done : 1; /**< 1 if optimized init done */
1055 		uint32_t restore_required : 1; /**< 1 if driver should call restore */
1056 		uint32_t defer_load : 1; /**< 1 if VBIOS data is deferred programmed */
1057 		uint32_t fams_enabled : 1; /**< 1 if VBIOS data is deferred programmed */
1058 		uint32_t detection_required: 1; /**<  if detection need to be triggered by driver */
1059 		uint32_t hw_power_init_done: 1; /**< 1 if hw power init is completed */
1060 		uint32_t ono_regions_enabled: 1; /**< 1 if ONO regions are enabled */
1061 	} bits; /**< status bits */
1062 	uint32_t all; /**< 32-bit access to status bits */
1063 };
1064 
1065 /**
1066  * enum dmub_fw_boot_status_bit - Enum bit definitions for SCRATCH0.
1067  */
1068 enum dmub_fw_boot_status_bit {
1069 	DMUB_FW_BOOT_STATUS_BIT_DAL_FIRMWARE = (1 << 0), /**< 1 if DAL FW */
1070 	DMUB_FW_BOOT_STATUS_BIT_MAILBOX_READY = (1 << 1), /**< 1 if mailbox ready */
1071 	DMUB_FW_BOOT_STATUS_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if init done */
1072 	DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */
1073 	DMUB_FW_BOOT_STATUS_BIT_DEFERRED_LOADED = (1 << 4), /**< 1 if VBIOS data is deferred programmed */
1074 	DMUB_FW_BOOT_STATUS_BIT_FAMS_ENABLED = (1 << 5), /**< 1 if FAMS is enabled*/
1075 	DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED = (1 << 6), /**< 1 if detection need to be triggered by driver*/
1076 	DMUB_FW_BOOT_STATUS_BIT_HW_POWER_INIT_DONE = (1 << 7), /**< 1 if hw power init is completed */
1077 	DMUB_FW_BOOT_STATUS_BIT_ONO_REGIONS_ENABLED = (1 << 8), /**< 1 if ONO regions are enabled */
1078 };
1079 
1080 /* Register bit definition for SCRATCH5 */
1081 union dmub_lvtma_status {
1082 	struct {
1083 		uint32_t psp_ok : 1;
1084 		uint32_t edp_on : 1;
1085 		uint32_t reserved : 30;
1086 	} bits;
1087 	uint32_t all;
1088 };
1089 
1090 enum dmub_lvtma_status_bit {
1091 	DMUB_LVTMA_STATUS_BIT_PSP_OK = (1 << 0),
1092 	DMUB_LVTMA_STATUS_BIT_EDP_ON = (1 << 1),
1093 };
1094 
1095 enum dmub_ips_disable_type {
1096 	DMUB_IPS_ENABLE = 0,
1097 	DMUB_IPS_DISABLE_ALL = 1,
1098 	DMUB_IPS_DISABLE_IPS1 = 2,
1099 	DMUB_IPS_DISABLE_IPS2 = 3,
1100 	DMUB_IPS_DISABLE_IPS2_Z10 = 4,
1101 	DMUB_IPS_DISABLE_DYNAMIC = 5,
1102 	DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF = 6,
1103 	DMUB_IPS_DISABLE_Z8_RETENTION = 7,
1104 };
1105 
1106 enum dmub_ips_rcg_disable_type {
1107 	DMUB_IPS_RCG_ENABLE = 0,
1108 	DMUB_IPS0_RCG_DISABLE = 1,
1109 	DMUB_IPS1_RCG_DISABLE = 2,
1110 	DMUB_IPS_RCG_DISABLE = 3
1111 };
1112 
1113 enum dmub_ips_in_vpb_disable_type {
1114 	DMUB_IPS_VPB_RCG_ONLY = 0, // Legacy behaviour
1115 	DMUB_IPS_VPB_DISABLE_ALL = 1,
1116 	DMUB_IPS_VPB_ENABLE_IPS1_AND_RCG = 2,
1117 	DMUB_IPS_VPB_ENABLE_ALL = 3 // Enable IPS1 Z8, IPS1 and RCG
1118 };
1119 
1120 #define DMUB_IPS1_ALLOW_MASK 0x00000001
1121 #define DMUB_IPS2_ALLOW_MASK 0x00000002
1122 #define DMUB_IPS1_COMMIT_MASK 0x00000004
1123 #define DMUB_IPS2_COMMIT_MASK 0x00000008
1124 
1125 enum dmub_ips_comand_type {
1126 	/**
1127 	 * Start/stop IPS residency measurements for a given IPS mode
1128 	 */
1129 	DMUB_CMD__IPS_RESIDENCY_CNTL = 0,
1130 	/**
1131 	 * Query IPS residency information for a given IPS mode
1132 	 */
1133 	DMUB_CMD__IPS_QUERY_RESIDENCY_INFO = 1,
1134 };
1135 
1136 /**
1137  * enum dmub_cursor_offload_comand_type - Cursor offload subcommands.
1138  */
1139 enum dmub_cursor_offload_comand_type {
1140 	/**
1141 	 * Initializes the cursor offload feature.
1142 	 */
1143 	DMUB_CMD__CURSOR_OFFLOAD_INIT = 0,
1144 	/**
1145 	 * Enables cursor offloading for a stream and updates the timing parameters.
1146 	 */
1147 	DMUB_CMD__CURSOR_OFFLOAD_STREAM_ENABLE = 1,
1148 	/**
1149 	 * Disables cursor offloading for a given stream.
1150 	 */
1151 	DMUB_CMD__CURSOR_OFFLOAD_STREAM_DISABLE = 2,
1152 	/**
1153 	 * Programs the latest data for a given stream.
1154 	 */
1155 	DMUB_CMD__CURSOR_OFFLOAD_STREAM_PROGRAM = 3,
1156 };
1157 
1158 /**
1159  * union dmub_fw_boot_options - Boot option definitions for SCRATCH14
1160  */
1161 union dmub_fw_boot_options {
1162 	struct {
1163 		uint32_t pemu_env : 1; /**< 1 if PEMU */
1164 		uint32_t fpga_env : 1; /**< 1 if FPGA */
1165 		uint32_t optimized_init : 1; /**< 1 if optimized init */
1166 		uint32_t skip_phy_access : 1; /**< 1 if PHY access should be skipped */
1167 		uint32_t disable_clk_gate: 1; /**< 1 if clock gating should be disabled */
1168 		uint32_t skip_phy_init_panel_sequence: 1; /**< 1 to skip panel init seq */
1169 		uint32_t z10_disable: 1; /**< 1 to disable z10 */
1170 		uint32_t enable_dpia: 1; /**< 1 if DPIA should be enabled */
1171 		uint32_t invalid_vbios_data: 1; /**< 1 if VBIOS data table is invalid */
1172 		uint32_t dpia_supported: 1; /**< 1 if DPIA is supported on this platform */
1173 		uint32_t sel_mux_phy_c_d_phy_f_g: 1; /**< 1 if PHYF/PHYG should be enabled on DCN31 */
1174 		/**< 1 if all root clock gating is enabled and low power memory is enabled*/
1175 		uint32_t power_optimization: 1;
1176 		uint32_t diag_env: 1; /* 1 if diagnostic environment */
1177 		uint32_t gpint_scratch8: 1; /* 1 if GPINT is in scratch8*/
1178 		uint32_t usb4_cm_version: 1; /**< 1 CM support */
1179 		uint32_t dpia_hpd_int_enable_supported: 1; /* 1 if dpia hpd int enable supported */
1180 		uint32_t enable_non_transparent_setconfig: 1; /* 1 if dpia use conventional dp lt flow*/
1181 		uint32_t disable_clk_ds: 1; /* 1 if disallow dispclk_ds and dppclk_ds*/
1182 		uint32_t disable_timeout_recovery : 1; /* 1 if timeout recovery should be disabled */
1183 		uint32_t ips_pg_disable: 1; /* 1 to disable ONO domains power gating*/
1184 		uint32_t ips_disable: 3; /* options to disable ips support*/
1185 		uint32_t ips_sequential_ono: 1; /**< 1 to enable sequential ONO IPS sequence */
1186 		uint32_t disable_sldo_opt: 1; /**< 1 to disable SLDO optimizations */
1187 		uint32_t lower_hbr3_phy_ssc: 1; /**< 1 to lower hbr3 phy ssc to 0.125 percent */
1188 		uint32_t override_hbr3_pll_vco: 1; /**< 1 to override the hbr3 pll vco to 0 */
1189 		uint32_t disable_dpia_bw_allocation: 1; /**< 1 to disable the USB4 DPIA BW allocation */
1190 		uint32_t bootcrc_en_at_preos: 1; /**< 1 to run the boot time crc during warm/cold boot*/
1191 		uint32_t bootcrc_en_at_S0i3: 1; /**< 1 to run the boot time crc during S0i3 boot*/
1192 		uint32_t bootcrc_boot_mode: 1; /**< 1 for S0i3 resume and 0 for Warm/cold boot*/
1193 		uint32_t reserved : 1; /**< reserved */
1194 	} bits; /**< boot bits */
1195 	uint32_t all; /**< 32-bit access to bits */
1196 };
1197 
1198 enum dmub_fw_boot_options_bit {
1199 	DMUB_FW_BOOT_OPTION_BIT_PEMU_ENV = (1 << 0), /**< 1 if PEMU */
1200 	DMUB_FW_BOOT_OPTION_BIT_FPGA_ENV = (1 << 1), /**< 1 if FPGA */
1201 	DMUB_FW_BOOT_OPTION_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if optimized init done */
1202 };
1203 
1204 //==============================================================================
1205 //< DMUB_SHARED_STATE>==========================================================
1206 //==============================================================================
1207 
1208 /**
1209  * Shared firmware state between driver and firmware for lockless communication
1210  * in situations where the inbox/outbox may be unavailable.
1211  *
1212  * Each structure *must* be at most 256-bytes in size. The layout allocation is
1213  * described below:
1214  *
1215  * [Header (256 Bytes)][Feature 1 (256 Bytes)][Feature 2 (256 Bytes)]...
1216  */
1217 
1218 /**
1219  * enum dmub_shared_state_feature_id - List of shared state features.
1220  */
1221 enum dmub_shared_state_feature_id {
1222 	DMUB_SHARED_SHARE_FEATURE__INVALID = 0,
1223 	DMUB_SHARED_SHARE_FEATURE__IPS_FW = 1,
1224 	DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER = 2,
1225 	DMUB_SHARED_SHARE_FEATURE__DEBUG_SETUP = 3,
1226 	DMUB_SHARED_STATE_FEATURE__CURSOR_OFFLOAD_V1 = 4,
1227 	DMUB_SHARED_STATE_FEATURE__LAST, /* Total number of features. */
1228 };
1229 
1230 /**
1231  * struct dmub_shared_state_ips_fw - Firmware signals for IPS.
1232  */
1233 union dmub_shared_state_ips_fw_signals {
1234 	struct {
1235 		uint32_t ips1_commit : 1;  /**< 1 if in IPS1 or IPS0 RCG */
1236 		uint32_t ips2_commit : 1; /**< 1 if in IPS2 */
1237 		uint32_t in_idle : 1; /**< 1 if DMCUB is in idle */
1238 		uint32_t detection_required : 1; /**< 1 if detection is required */
1239 		uint32_t ips1z8_commit: 1; /**< 1 if in IPS1 Z8 Retention */
1240 		uint32_t reserved_bits : 27; /**< Reversed */
1241 	} bits;
1242 	uint32_t all;
1243 };
1244 
1245 /**
1246  * struct dmub_shared_state_ips_signals - Firmware signals for IPS.
1247  */
1248 union dmub_shared_state_ips_driver_signals {
1249 	struct {
1250 		uint32_t allow_pg : 1; /**< 1 if PG is allowed */
1251 		uint32_t allow_ips1 : 1; /**< 1 is IPS1 is allowed */
1252 		uint32_t allow_ips2 : 1; /**< 1 is IPS1 is allowed */
1253 		uint32_t allow_z10 : 1; /**< 1 if Z10 is allowed */
1254 		uint32_t allow_idle: 1; /**< 1 if driver is allowing idle */
1255 		uint32_t allow_ips0_rcg : 1; /**< 1 is IPS0 RCG is allowed */
1256 		uint32_t allow_ips1_rcg : 1; /**< 1 is IPS1 RCG is allowed */
1257 		uint32_t allow_ips1z8 : 1; /**< 1 is IPS1 Z8 Retention is allowed */
1258 		uint32_t allow_dynamic_ips1 : 1; /**< 1 if IPS1 is allowed in dynamic use cases such as VPB */
1259 		uint32_t allow_dynamic_ips1_z8: 1; /**< 1 if IPS1 z8 ret is allowed in dynamic use cases such as VPB */
1260 		uint32_t reserved_bits : 22; /**< Reversed bits */
1261 	} bits;
1262 	uint32_t all;
1263 };
1264 
1265 /**
1266  * IPS FW Version
1267  */
1268 #define DMUB_SHARED_STATE__IPS_FW_VERSION 1
1269 
1270 struct dmub_shared_state_debug_setup {
1271 	union {
1272 		struct {
1273 			uint32_t exclude_points[62];
1274 		} profile_mode;
1275 	};
1276 };
1277 
1278 /**
1279  * struct dmub_shared_state_ips_fw - Firmware state for IPS.
1280  */
1281 struct dmub_shared_state_ips_fw {
1282 	union dmub_shared_state_ips_fw_signals signals; /**< 4 bytes, IPS signal bits */
1283 	uint32_t rcg_entry_count; /**< Entry counter for RCG */
1284 	uint32_t rcg_exit_count; /**< Exit counter for RCG */
1285 	uint32_t ips1_entry_count; /**< Entry counter for IPS1 */
1286 	uint32_t ips1_exit_count; /**< Exit counter for IPS1 */
1287 	uint32_t ips2_entry_count; /**< Entry counter for IPS2 */
1288 	uint32_t ips2_exit_count; /**< Exit counter for IPS2 */
1289 	uint32_t ips1_z8ret_entry_count; /**< Entry counter for IPS1 Z8 Retention */
1290 	uint32_t ips1_z8ret_exit_count; /**< Exit counter for IPS1 Z8 Retention */
1291 	uint32_t reserved[53]; /**< Reversed, to be updated when adding new fields. */
1292 }; /* 248-bytes, fixed */
1293 
1294 /**
1295  * IPS Driver Version
1296  */
1297 #define DMUB_SHARED_STATE__IPS_DRIVER_VERSION 1
1298 
1299 /**
1300  * struct dmub_shared_state_ips_driver - Driver state for IPS.
1301  */
1302 struct dmub_shared_state_ips_driver {
1303 	union dmub_shared_state_ips_driver_signals signals; /**< 4 bytes, IPS signal bits */
1304 	uint32_t reserved[61]; /**< Reversed, to be updated when adding new fields. */
1305 }; /* 248-bytes, fixed */
1306 
1307 /**
1308  * struct dmub_shared_state_cursor_offload_v1 - Header metadata for cursor offload.
1309  */
1310 struct dmub_shared_state_cursor_offload_stream_v1 {
1311 	uint32_t last_write_idx; /**< Last write index */
1312 	uint8_t reserved[28]; /**< Reserved bytes. */
1313 }; /* 32-bytes, fixed */
1314 
1315 /**
1316  * struct dmub_shared_state_cursor_offload_v1 - Header metadata for cursor offload.
1317  */
1318 struct dmub_shared_state_cursor_offload_v1 {
1319 	struct dmub_shared_state_cursor_offload_stream_v1 offload_streams[6]; /**< stream state, 32-bytes each */
1320 	uint8_t reserved[56]; /**< reserved for future use */
1321 }; /* 248-bytes, fixed */
1322 
1323 /**
1324  * enum dmub_shared_state_feature_common - Generic payload.
1325  */
1326 struct dmub_shared_state_feature_common {
1327 	uint32_t padding[62];
1328 }; /* 248-bytes, fixed */
1329 
1330 /**
1331  * enum dmub_shared_state_feature_header - Feature description.
1332  */
1333 struct dmub_shared_state_feature_header {
1334 	uint16_t id; /**< Feature ID */
1335 	uint16_t version; /**< Feature version */
1336 	uint32_t reserved; /**< Reserved bytes. */
1337 }; /* 8 bytes, fixed */
1338 
1339 /**
1340  * struct dmub_shared_state_feature_block - Feature block.
1341  */
1342 struct dmub_shared_state_feature_block {
1343 	struct dmub_shared_state_feature_header header; /**< Shared state header. */
1344 	union dmub_shared_feature_state_union {
1345 		struct dmub_shared_state_feature_common common; /**< Generic data */
1346 		struct dmub_shared_state_ips_fw ips_fw; /**< IPS firmware state */
1347 		struct dmub_shared_state_ips_driver ips_driver; /**< IPS driver state */
1348 		struct dmub_shared_state_debug_setup debug_setup; /**< Debug setup */
1349 		struct dmub_shared_state_cursor_offload_v1 cursor_offload_v1; /**< Cursor offload */
1350 	} data; /**< Shared state data. */
1351 }; /* 256-bytes, fixed */
1352 
1353 /**
1354  * Shared state size in bytes.
1355  */
1356 #define DMUB_FW_HEADER_SHARED_STATE_SIZE \
1357 	((DMUB_SHARED_STATE_FEATURE__LAST + 1) * sizeof(struct dmub_shared_state_feature_block))
1358 
1359 //==============================================================================
1360 //</DMUB_STATUS>================================================================
1361 //==============================================================================
1362 //< DMUB_VBIOS>=================================================================
1363 //==============================================================================
1364 
1365 /*
1366  * enum dmub_cmd_vbios_type - VBIOS commands.
1367  *
1368  * Command IDs should be treated as stable ABI.
1369  * Do not reuse or modify IDs.
1370  */
1371 enum dmub_cmd_vbios_type {
1372 	/**
1373 	 * Configures the DIG encoder.
1374 	 */
1375 	DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL = 0,
1376 	/**
1377 	 * Controls the PHY.
1378 	 */
1379 	DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL = 1,
1380 	/**
1381 	 * Sets the pixel clock/symbol clock.
1382 	 */
1383 	DMUB_CMD__VBIOS_SET_PIXEL_CLOCK = 2,
1384 	/**
1385 	 * Enables or disables power gating.
1386 	 */
1387 	DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING = 3,
1388 	/**
1389 	 * Controls embedded panels.
1390 	 */
1391 	DMUB_CMD__VBIOS_LVTMA_CONTROL = 15,
1392 	/**
1393 	 * Query DP alt status on a transmitter.
1394 	 */
1395 	DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT  = 26,
1396 	/**
1397 	 * Control PHY FSM
1398 	 */
1399 	DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM  = 29,
1400 	/**
1401 	 * Controls domain power gating
1402 	 */
1403 	DMUB_CMD__VBIOS_DOMAIN_CONTROL = 28,
1404 };
1405 
1406 //==============================================================================
1407 //</DMUB_VBIOS>=================================================================
1408 //==============================================================================
1409 //< DMUB_GPINT>=================================================================
1410 //==============================================================================
1411 
1412 /**
1413  * The shifts and masks below may alternatively be used to format and read
1414  * the command register bits.
1415  */
1416 
1417 #define DMUB_GPINT_DATA_PARAM_MASK 0xFFFF
1418 #define DMUB_GPINT_DATA_PARAM_SHIFT 0
1419 
1420 #define DMUB_GPINT_DATA_COMMAND_CODE_MASK 0xFFF
1421 #define DMUB_GPINT_DATA_COMMAND_CODE_SHIFT 16
1422 
1423 #define DMUB_GPINT_DATA_STATUS_MASK 0xF
1424 #define DMUB_GPINT_DATA_STATUS_SHIFT 28
1425 
1426 /**
1427  * Command responses.
1428  */
1429 
1430 /**
1431  * Return response for DMUB_GPINT__STOP_FW command.
1432  */
1433 #define DMUB_GPINT__STOP_FW_RESPONSE 0xDEADDEAD
1434 
1435 /**
1436  * union dmub_gpint_data_register - Format for sending a command via the GPINT.
1437  */
1438 union dmub_gpint_data_register {
1439 	struct {
1440 		uint32_t param : 16; /**< 16-bit parameter */
1441 		uint32_t command_code : 12; /**< GPINT command */
1442 		uint32_t status : 4; /**< Command status bit */
1443 	} bits; /**< GPINT bit access */
1444 	uint32_t all; /**< GPINT  32-bit access */
1445 };
1446 
1447 /*
1448  * enum dmub_gpint_command - GPINT command to DMCUB FW
1449  *
1450  * Command IDs should be treated as stable ABI.
1451  * Do not reuse or modify IDs.
1452  */
1453 enum dmub_gpint_command {
1454 	/**
1455 	 * Invalid command, ignored.
1456 	 */
1457 	DMUB_GPINT__INVALID_COMMAND = 0,
1458 	/**
1459 	 * DESC: Queries the firmware version.
1460 	 * RETURN: Firmware version.
1461 	 */
1462 	DMUB_GPINT__GET_FW_VERSION = 1,
1463 	/**
1464 	 * DESC: Halts the firmware.
1465 	 * RETURN: DMUB_GPINT__STOP_FW_RESPONSE (0xDEADDEAD) when halted
1466 	 */
1467 	DMUB_GPINT__STOP_FW = 2,
1468 	/**
1469 	 * DESC: Get PSR state from FW.
1470 	 * RETURN: PSR state enum. This enum may need to be converted to the legacy PSR state value.
1471 	 */
1472 	DMUB_GPINT__GET_PSR_STATE = 7,
1473 	/**
1474 	 * DESC: Notifies DMCUB of the currently active streams.
1475 	 * ARGS: Stream mask, 1 bit per active stream index.
1476 	 */
1477 	DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK = 8,
1478 	/**
1479 	 * DESC: Start PSR residency counter. Stop PSR resdiency counter and get value.
1480 	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
1481 	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
1482 	 * RETURN: PSR residency in milli-percent.
1483 	 */
1484 	DMUB_GPINT__PSR_RESIDENCY = 9,
1485 
1486 	/**
1487 	 * DESC: Notifies DMCUB detection is done so detection required can be cleared.
1488 	 */
1489 	DMUB_GPINT__NOTIFY_DETECTION_DONE = 12,
1490 
1491 	/**
1492 	 * DESC: Get REPLAY state from FW.
1493 	 * RETURN: REPLAY state enum. This enum may need to be converted to the legacy REPLAY state value.
1494 	 */
1495 	DMUB_GPINT__GET_REPLAY_STATE = 13,
1496 
1497 	/**
1498 	 * DESC: Start REPLAY residency counter. Stop REPLAY resdiency counter and get value.
1499 	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
1500 	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
1501 	 * RETURN: REPLAY residency in milli-percent.
1502 	 */
1503 	DMUB_GPINT__REPLAY_RESIDENCY = 14,
1504 
1505 	/**
1506 	 * DESC: Set CACP internal core configuration
1507 	 */
1508 	DMUB_GPINT__TRIGGER_CACP = 18,
1509 
1510 	/**
1511 	 * DESC: Copy bounding box to the host.
1512 	 * ARGS: Version of bounding box to copy
1513 	 * RETURN: Result of copying bounding box
1514 	 */
1515 	DMUB_GPINT__BB_COPY = 96,
1516 
1517 	/**
1518 	 * DESC: Updates the host addresses bit48~bit63 for bounding box.
1519 	 * ARGS: The word3 for the 64 bit address
1520 	 */
1521 	DMUB_GPINT__SET_BB_ADDR_WORD3 = 97,
1522 
1523 	/**
1524 	 * DESC: Updates the host addresses bit32~bit47 for bounding box.
1525 	 * ARGS: The word2 for the 64 bit address
1526 	 */
1527 	DMUB_GPINT__SET_BB_ADDR_WORD2 = 98,
1528 
1529 	/**
1530 	 * DESC: Updates the host addresses bit16~bit31 for bounding box.
1531 	 * ARGS: The word1 for the 64 bit address
1532 	 */
1533 	DMUB_GPINT__SET_BB_ADDR_WORD1 = 99,
1534 
1535 	/**
1536 	 * DESC: Updates the host addresses bit0~bit15 for bounding box.
1537 	 * ARGS: The word0 for the 64 bit address
1538 	 */
1539 	DMUB_GPINT__SET_BB_ADDR_WORD0 = 100,
1540 
1541 	/**
1542 	 * DESC: Updates the trace buffer lower 32-bit mask.
1543 	 * ARGS: The new mask
1544 	 * RETURN: Lower 32-bit mask.
1545 	 */
1546 	DMUB_GPINT__UPDATE_TRACE_BUFFER_MASK = 101,
1547 
1548 	/**
1549 	 * DESC: Updates the trace buffer mask bit0~bit15.
1550 	 * ARGS: The new mask
1551 	 * RETURN: Lower 32-bit mask.
1552 	 */
1553 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD0 = 102,
1554 
1555 	/**
1556 	 * DESC: Updates the trace buffer mask bit16~bit31.
1557 	 * ARGS: The new mask
1558 	 * RETURN: Lower 32-bit mask.
1559 	 */
1560 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD1 = 103,
1561 
1562 	/**
1563 	 * DESC: Updates the trace buffer mask bit32~bit47.
1564 	 * ARGS: The new mask
1565 	 * RETURN: Lower 32-bit mask.
1566 	 */
1567 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD2 = 114,
1568 
1569 	/**
1570 	 * DESC: Updates the trace buffer mask bit48~bit63.
1571 	 * ARGS: The new mask
1572 	 * RETURN: Lower 32-bit mask.
1573 	 */
1574 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD3 = 115,
1575 
1576 	/**
1577 	 * DESC: Read the trace buffer mask bi0~bit15.
1578 	 */
1579 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD0 = 116,
1580 
1581 	/**
1582 	 * DESC: Read the trace buffer mask bit16~bit31.
1583 	 */
1584 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD1 = 117,
1585 
1586 	/**
1587 	 * DESC: Read the trace buffer mask bi32~bit47.
1588 	 */
1589 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD2 = 118,
1590 
1591 	/**
1592 	 * DESC: Updates the trace buffer mask bit32~bit63.
1593 	 */
1594 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD3 = 119,
1595 
1596 	/**
1597 	 * DESC: Set IPS residency measurement
1598 	 * ARGS: 0 - Disable ips measurement
1599 	 *       1 - Enable ips measurement
1600 	 */
1601 	DMUB_GPINT__IPS_RESIDENCY = 121,
1602 	/**
1603 	 * DESC: Enable measurements for various task duration
1604 	 * ARGS: 0 - Disable measurement
1605 	 *       1 - Enable measurement
1606 	 */
1607 	DMUB_GPINT__TRACE_DMUB_WAKE_ACTIVITY = 123,
1608 	/**
1609 	 * DESC: Gets IPS residency in microseconds
1610 	 * ARGS: 0 - Return IPS1 residency
1611 	 *       1 - Return IPS2 residency
1612 	 *       2 - Return IPS0_RCG residency
1613 	 *       3 - Return IPS1_ONO2_ON residency
1614 	 *       4 - Return IPS1_Z8_RETENTION residency
1615 	 * RETURN: Total residency in microseconds - lower 32 bits
1616 	 */
1617 	DMUB_GPINT__GET_IPS_RESIDENCY_DURATION_US_LO = 124,
1618 	/**
1619 	 * DESC: Gets IPS1 histogram counts
1620 	 * ARGS: Bucket index
1621 	 * RETURN: Total count for the bucket
1622 	 */
1623 	DMUB_GPINT__GET_IPS1_HISTOGRAM_COUNTER = 125,
1624 	/**
1625 	 * DESC: Gets IPS2 histogram counts
1626 	 * ARGS: Bucket index
1627 	 * RETURN: Total count for the bucket
1628 	 */
1629 	DMUB_GPINT__GET_IPS2_HISTOGRAM_COUNTER = 126,
1630 	/**
1631 	 * DESC: Gets IPS residency
1632 	 * ARGS: 0 - Return IPS1 residency
1633 	 *       1 - Return IPS2 residency
1634 	 *       2 - Return IPS0_RCG residency
1635 	 *       3 - Return IPS1_ONO2_ON residency
1636 	 *       4 - Return IPS1_Z8_RETENTION residency
1637 	 * RETURN: Total residency in milli-percent.
1638 	 */
1639 	DMUB_GPINT__GET_IPS_RESIDENCY_PERCENT = 127,
1640 	/**
1641 	 * DESC: Gets IPS0_RCG histogram counts
1642 	 * ARGS: Bucket index
1643 	 * RETURN: Total count for the bucket
1644 	 */
1645 	DMUB_GPINT__GET_IPS0_RCG_HISTOGRAM_COUNTER = 128,
1646 	/**
1647 	 * DESC: Gets IPS1_ONO2_ON histogram counts
1648 	 * ARGS: Bucket index
1649 	 * RETURN: Total count for the bucket
1650 	 */
1651 	DMUB_GPINT__GET_IPS1_ONO2_ON_HISTOGRAM_COUNTER = 129,
1652 	/**
1653 	 * DESC: Gets IPS entry counter during residency measurement
1654 	 * ARGS: 0 - Return IPS1 entry counts
1655 	 *       1 - Return IPS2 entry counts
1656 	 *       2 - Return IPS0_RCG entry counts
1657 	 *       3 - Return IPS1_ONO2_ON entry counts
1658 	 *       4 - Return IPS1_Z8_RETENTION entry counts
1659 	 * RETURN: Entry counter for selected IPS mode
1660 	 */
1661 	DMUB_GPINT__GET_IPS_RESIDENCY_ENTRY_COUNTER = 130,
1662 	/**
1663 	 * DESC: Gets IPS inactive residency in microseconds
1664 	 * ARGS: 0 - Return IPS1_MAX residency
1665 	 *       1 - Return IPS2 residency
1666 	 *       2 - Return IPS0_RCG residency
1667 	 *       3 - Return IPS1_ONO2_ON residency
1668 	 *       4 - Return IPS1_Z8_RETENTION residency
1669 	 * RETURN: Total inactive residency in microseconds - lower 32 bits
1670 	 */
1671 	DMUB_GPINT__GET_IPS_INACTIVE_RESIDENCY_DURATION_US_LO = 131,
1672 	/**
1673 	 * DESC: Gets IPS inactive residency in microseconds
1674 	 * ARGS: 0 - Return IPS1_MAX residency
1675 	 *       1 - Return IPS2 residency
1676 	 *       2 - Return IPS0_RCG residency
1677 	 *       3 - Return IPS1_ONO2_ON residency
1678 	 *       4 - Return IPS1_Z8_RETENTION residency
1679 	 * RETURN: Total inactive residency in microseconds - upper 32 bits
1680 	 */
1681 	DMUB_GPINT__GET_IPS_INACTIVE_RESIDENCY_DURATION_US_HI = 132,
1682 	/**
1683 	 * DESC: Gets IPS residency in microseconds
1684 	 * ARGS: 0 - Return IPS1 residency
1685 	 *       1 - Return IPS2 residency
1686 	 *       2 - Return IPS0_RCG residency
1687 	 *       3 - Return IPS1_ONO2_ON residency
1688 	 *       4 - Return IPS1_Z8_RETENTION residency
1689 	 * RETURN: Total residency in microseconds - upper 32 bits
1690 	 */
1691 	DMUB_GPINT__GET_IPS_RESIDENCY_DURATION_US_HI = 133,
1692 	/**
1693 	 * DESC: Setup debug configs.
1694 	 */
1695 	DMUB_GPINT__SETUP_DEBUG_MODE = 136,
1696 	/**
1697 	 * DESC: Initiates IPS wake sequence.
1698 	 */
1699 	DMUB_GPINT__IPS_DEBUG_WAKE = 137,
1700 	/**
1701 	 * DESC: Do panel power off sequence
1702 	 * ARGS: 1 - Power off
1703 	 */
1704 	DMUB_GPINT__PANEL_POWER_OFF_SEQ = 138,
1705 };
1706 
1707 /**
1708  * INBOX0 generic command definition
1709  */
1710 union dmub_inbox0_cmd_common {
1711 	struct {
1712 		uint32_t command_code: 8; /**< INBOX0 command code */
1713 		uint32_t param: 24; /**< 24-bit parameter */
1714 	} bits;
1715 	uint32_t all;
1716 };
1717 
1718 /**
1719  * INBOX0 hw_lock command definition
1720  */
1721 union dmub_inbox0_cmd_lock_hw {
1722 	struct {
1723 		uint32_t command_code: 8;
1724 
1725 		/* NOTE: Must be have enough bits to match: enum hw_lock_client */
1726 		uint32_t hw_lock_client: 2;
1727 
1728 		/* NOTE: Below fields must match with: struct dmub_hw_lock_inst_flags */
1729 		uint32_t otg_inst: 3;
1730 		uint32_t opp_inst: 3;
1731 		uint32_t dig_inst: 3;
1732 
1733 		/* NOTE: Below fields must match with: union dmub_hw_lock_flags */
1734 		uint32_t lock_pipe: 1;
1735 		uint32_t lock_cursor: 1;
1736 		uint32_t lock_dig: 1;
1737 		uint32_t triple_buffer_lock: 1;
1738 
1739 		uint32_t lock: 1;			/**< Lock */
1740 		uint32_t should_release: 1;		/**< Release */
1741 		uint32_t reserved: 7; 			/**< Reserved for extending more clients, HW, etc. */
1742 	} bits;
1743 	uint32_t all;
1744 };
1745 
1746 union dmub_inbox0_data_register {
1747 	union dmub_inbox0_cmd_common inbox0_cmd_common;
1748 	union dmub_inbox0_cmd_lock_hw inbox0_cmd_lock_hw;
1749 };
1750 
1751 enum dmub_inbox0_command {
1752 	/**
1753 	 * DESC: Invalid command, ignored.
1754 	 */
1755 	DMUB_INBOX0_CMD__INVALID_COMMAND = 0,
1756 	/**
1757 	 * DESC: Notification to acquire/release HW lock
1758 	 * ARGS:
1759 	 */
1760 	DMUB_INBOX0_CMD__HW_LOCK = 1,
1761 };
1762 //==============================================================================
1763 //</DMUB_GPINT>=================================================================
1764 //==============================================================================
1765 //< DMUB_CMD>===================================================================
1766 //==============================================================================
1767 
1768 /**
1769  * Size in bytes of each DMUB command.
1770  */
1771 #define DMUB_RB_CMD_SIZE 64
1772 
1773 /**
1774  * Maximum number of items in the DMUB ringbuffer.
1775  */
1776 #define DMUB_RB_MAX_ENTRY 128
1777 
1778 /**
1779  * Ringbuffer size in bytes.
1780  */
1781 #define DMUB_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_RB_MAX_ENTRY)
1782 
1783 /**
1784  * Maximum number of items in the DMUB REG INBOX0 internal ringbuffer.
1785  */
1786 #define DMUB_REG_INBOX0_RB_MAX_ENTRY 16
1787 
1788 /**
1789  * Ringbuffer size in bytes.
1790  */
1791 #define DMUB_REG_INBOX0_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_REG_INBOX0_RB_MAX_ENTRY)
1792 
1793 /**
1794  * REG_SET mask for reg offload.
1795  */
1796 #define REG_SET_MASK 0xFFFF
1797 
1798 /*
1799  * enum dmub_cmd_type - DMUB inbox command.
1800  *
1801  * Command IDs should be treated as stable ABI.
1802  * Do not reuse or modify IDs.
1803  */
1804 enum dmub_cmd_type {
1805 	/**
1806 	 * Invalid command.
1807 	 */
1808 	DMUB_CMD__NULL = 0,
1809 	/**
1810 	 * Read modify write register sequence offload.
1811 	 */
1812 	DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE = 1,
1813 	/**
1814 	 * Field update register sequence offload.
1815 	 */
1816 	DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ = 2,
1817 	/**
1818 	 * Burst write sequence offload.
1819 	 */
1820 	DMUB_CMD__REG_SEQ_BURST_WRITE = 3,
1821 	/**
1822 	 * Reg wait sequence offload.
1823 	 */
1824 	DMUB_CMD__REG_REG_WAIT = 4,
1825 	/**
1826 	 * Workaround to avoid HUBP underflow during NV12 playback.
1827 	 */
1828 	DMUB_CMD__PLAT_54186_WA = 5,
1829 	/**
1830 	 * Command type used to query FW feature caps.
1831 	 */
1832 	DMUB_CMD__QUERY_FEATURE_CAPS = 6,
1833 	/**
1834 	 * Command type used to get visual confirm color.
1835 	 */
1836 	DMUB_CMD__GET_VISUAL_CONFIRM_COLOR = 8,
1837 	/**
1838 	 * Command type used for all PSR commands.
1839 	 */
1840 	DMUB_CMD__PSR = 64,
1841 	/**
1842 	 * Command type used for all MALL commands.
1843 	 */
1844 	DMUB_CMD__MALL = 65,
1845 	/**
1846 	 * Command type used for all ABM commands.
1847 	 */
1848 	DMUB_CMD__ABM = 66,
1849 	/**
1850 	 * Command type used to update dirty rects in FW.
1851 	 */
1852 	DMUB_CMD__UPDATE_DIRTY_RECT = 67,
1853 	/**
1854 	 * Command type used to update cursor info in FW.
1855 	 */
1856 	DMUB_CMD__UPDATE_CURSOR_INFO = 68,
1857 	/**
1858 	 * Command type used for HW locking in FW.
1859 	 */
1860 	DMUB_CMD__HW_LOCK = 69,
1861 	/**
1862 	 * Command type used to access DP AUX.
1863 	 */
1864 	DMUB_CMD__DP_AUX_ACCESS = 70,
1865 	/**
1866 	 * Command type used for OUTBOX1 notification enable
1867 	 */
1868 	DMUB_CMD__OUTBOX1_ENABLE = 71,
1869 
1870 	/**
1871 	 * Command type used for all idle optimization commands.
1872 	 */
1873 	DMUB_CMD__IDLE_OPT = 72,
1874 	/**
1875 	 * Command type used for all clock manager commands.
1876 	 */
1877 	DMUB_CMD__CLK_MGR = 73,
1878 	/**
1879 	 * Command type used for all panel control commands.
1880 	 */
1881 	DMUB_CMD__PANEL_CNTL = 74,
1882 
1883 	/**
1884 	 * Command type used for all CAB commands.
1885 	 */
1886 	DMUB_CMD__CAB_FOR_SS = 75,
1887 
1888 	DMUB_CMD__FW_ASSISTED_MCLK_SWITCH = 76,
1889 
1890 	/**
1891 	 * Command type used for interfacing with DPIA.
1892 	 */
1893 	DMUB_CMD__DPIA = 77,
1894 	/**
1895 	 * Command type used for EDID CEA parsing
1896 	 */
1897 	DMUB_CMD__EDID_CEA = 79,
1898 	/**
1899 	 * Command type used for getting usbc cable ID
1900 	 */
1901 	DMUB_CMD_GET_USBC_CABLE_ID = 81,
1902 	/**
1903 	 * Command type used to query HPD state.
1904 	 */
1905 	DMUB_CMD__QUERY_HPD_STATE = 82,
1906 	/**
1907 	 * Command type used for all VBIOS interface commands.
1908 	 */
1909 	/**
1910 	 * Command type used for all REPLAY commands.
1911 	 */
1912 	DMUB_CMD__REPLAY = 83,
1913 
1914 	/**
1915 	 * Command type used for all SECURE_DISPLAY commands.
1916 	 */
1917 	DMUB_CMD__SECURE_DISPLAY = 85,
1918 
1919 	/**
1920 	 * Command type used to set DPIA HPD interrupt state
1921 	 */
1922 	DMUB_CMD__DPIA_HPD_INT_ENABLE = 86,
1923 
1924 	/**
1925 	 * Command type used for all CACP commands.
1926 	 */
1927 	DMUB_CMD__CACP = 87,
1928 
1929 	/**
1930 	 * Command type used for all PSP commands.
1931 	 */
1932 	DMUB_CMD__PSP = 88,
1933 
1934 	/**
1935 	 * Command type used for all Fused IO commands.
1936 	 */
1937 	DMUB_CMD__FUSED_IO = 89,
1938 
1939 	/**
1940 	 * Command type used for all LSDMA commands.
1941 	 */
1942 	DMUB_CMD__LSDMA = 90,
1943 
1944 	/**
1945 	 * Command type use for all IPS commands.
1946 	 */
1947 	DMUB_CMD__IPS = 91,
1948 
1949 	/**
1950 	 * Command type use for Cursor offload.
1951 	 */
1952 	DMUB_CMD__CURSOR_OFFLOAD = 92,
1953 
1954 	/**
1955 	 * Command type used for all SMART_POWER_OLED commands.
1956 	 */
1957 	DMUB_CMD__SMART_POWER_OLED = 93,
1958 
1959 	/**
1960 	 * Command type use for all Panel Replay commands.
1961 	 */
1962 	DMUB_CMD__PR = 94,
1963 
1964 	/**
1965 	 * Command type used for all IHC commands.
1966 	 */
1967 	DMUB_CMD__IHC = 95,
1968 
1969 	/**
1970 	 * Command type use for boot time crc commands.
1971 	 */
1972 	DMUB_CMD__BOOT_TIME_CRC = 96,
1973 
1974 	/**
1975 	 * Command type use for VBIOS shared commands.
1976 	 */
1977 	DMUB_CMD__VBIOS = 128,
1978 };
1979 
1980 /**
1981  * enum dmub_out_cmd_type - DMUB outbox commands.
1982  */
1983 enum dmub_out_cmd_type {
1984 	/**
1985 	 * Invalid outbox command, ignored.
1986 	 */
1987 	DMUB_OUT_CMD__NULL = 0,
1988 	/**
1989 	 * Command type used for DP AUX Reply data notification
1990 	 */
1991 	DMUB_OUT_CMD__DP_AUX_REPLY = 1,
1992 	/**
1993 	 * Command type used for DP HPD event notification
1994 	 */
1995 	DMUB_OUT_CMD__DP_HPD_NOTIFY = 2,
1996 	/**
1997 	 * Command type used for SET_CONFIG Reply notification
1998 	 */
1999 	DMUB_OUT_CMD__SET_CONFIG_REPLY = 3,
2000 	/**
2001 	 * Command type used for USB4 DPIA notification
2002 	 */
2003 	DMUB_OUT_CMD__DPIA_NOTIFICATION = 5,
2004 	/**
2005 	 * Command type used for HPD redetect notification
2006 	 */
2007 	DMUB_OUT_CMD__HPD_SENSE_NOTIFY = 6,
2008 	/**
2009 	 * Command type used for Fused IO notification
2010 	 */
2011 	DMUB_OUT_CMD__FUSED_IO = 7,
2012 };
2013 
2014 /* DMUB_CMD__DPIA command sub-types. */
2015 enum dmub_cmd_dpia_type {
2016 	DMUB_CMD__DPIA_DIG1_DPIA_CONTROL = 0,
2017 	DMUB_CMD__DPIA_SET_CONFIG_ACCESS = 1, // will be replaced by DPIA_SET_CONFIG_REQUEST
2018 	DMUB_CMD__DPIA_MST_ALLOC_SLOTS = 2,
2019 	DMUB_CMD__DPIA_SET_TPS_NOTIFICATION = 3,
2020 	DMUB_CMD__DPIA_SET_CONFIG_REQUEST = 4,
2021 };
2022 
2023 /* DMUB_OUT_CMD__DPIA_NOTIFICATION command types. */
2024 enum dmub_cmd_dpia_notification_type {
2025 	DPIA_NOTIFY__BW_ALLOCATION = 0,
2026 };
2027 
2028 #pragma pack(push, 1)
2029 
2030 /**
2031  * struct dmub_cmd_header - Common command header fields.
2032  */
2033 struct dmub_cmd_header {
2034 	unsigned int type : 8; /**< command type */
2035 	unsigned int sub_type : 8; /**< command sub type */
2036 	unsigned int ret_status : 1; /**< 1 if returned data, 0 otherwise */
2037 	unsigned int multi_cmd_pending : 1; /**< 1 if multiple commands chained together */
2038 	unsigned int is_reg_based : 1; /**< 1 if register based mailbox cmd, 0 if FB based cmd */
2039 	unsigned int reserved0 : 5; /**< reserved bits */
2040 	unsigned int payload_bytes : 6;  /* payload excluding header - up to 60 bytes */
2041 	unsigned int reserved1 : 2; /**< reserved bits */
2042 };
2043 
2044 /*
2045  * struct dmub_cmd_read_modify_write_sequence - Read modify write
2046  *
2047  * 60 payload bytes can hold up to 5 sets of read modify writes,
2048  * each take 3 dwords.
2049  *
2050  * number of sequences = header.payload_bytes / sizeof(struct dmub_cmd_read_modify_write_sequence)
2051  *
2052  * modify_mask = 0xffff'ffff means all fields are going to be updated.  in this case
2053  * command parser will skip the read and we can use modify_mask = 0xffff'ffff as reg write
2054  */
2055 struct dmub_cmd_read_modify_write_sequence {
2056 	uint32_t addr; /**< register address */
2057 	uint32_t modify_mask; /**< modify mask */
2058 	uint32_t modify_value; /**< modify value */
2059 };
2060 
2061 /**
2062  * Maximum number of ops in read modify write sequence.
2063  */
2064 #define DMUB_READ_MODIFY_WRITE_SEQ__MAX 5
2065 
2066 /**
2067  * struct dmub_cmd_read_modify_write_sequence - Read modify write command.
2068  */
2069 struct dmub_rb_cmd_read_modify_write {
2070 	struct dmub_cmd_header header;  /**< command header */
2071 	/**
2072 	 * Read modify write sequence.
2073 	 */
2074 	struct dmub_cmd_read_modify_write_sequence seq[DMUB_READ_MODIFY_WRITE_SEQ__MAX];
2075 };
2076 
2077 /*
2078  * Update a register with specified masks and values sequeunce
2079  *
2080  * 60 payload bytes can hold address + up to 7 sets of mask/value combo, each take 2 dword
2081  *
2082  * number of field update sequence = (header.payload_bytes - sizeof(addr)) / sizeof(struct read_modify_write_sequence)
2083  *
2084  *
2085  * USE CASE:
2086  *   1. auto-increment register where additional read would update pointer and produce wrong result
2087  *   2. toggle a bit without read in the middle
2088  */
2089 
2090 struct dmub_cmd_reg_field_update_sequence {
2091 	uint32_t modify_mask; /**< 0xffff'ffff to skip initial read */
2092 	uint32_t modify_value; /**< value to update with */
2093 };
2094 
2095 /**
2096  * Maximum number of ops in field update sequence.
2097  */
2098 #define DMUB_REG_FIELD_UPDATE_SEQ__MAX 7
2099 
2100 /**
2101  * struct dmub_rb_cmd_reg_field_update_sequence - Field update command.
2102  */
2103 struct dmub_rb_cmd_reg_field_update_sequence {
2104 	struct dmub_cmd_header header; /**< command header */
2105 	uint32_t addr; /**< register address */
2106 	/**
2107 	 * Field update sequence.
2108 	 */
2109 	struct dmub_cmd_reg_field_update_sequence seq[DMUB_REG_FIELD_UPDATE_SEQ__MAX];
2110 };
2111 
2112 
2113 /**
2114  * Maximum number of burst write values.
2115  */
2116 #define DMUB_BURST_WRITE_VALUES__MAX  14
2117 
2118 /*
2119  * struct dmub_rb_cmd_burst_write - Burst write
2120  *
2121  * support use case such as writing out LUTs.
2122  *
2123  * 60 payload bytes can hold up to 14 values to write to given address
2124  *
2125  * number of payload = header.payload_bytes / sizeof(struct read_modify_write_sequence)
2126  */
2127 struct dmub_rb_cmd_burst_write {
2128 	struct dmub_cmd_header header; /**< command header */
2129 	uint32_t addr; /**< register start address */
2130 	/**
2131 	 * Burst write register values.
2132 	 */
2133 	uint32_t write_values[DMUB_BURST_WRITE_VALUES__MAX];
2134 };
2135 
2136 /**
2137  * struct dmub_rb_cmd_common - Common command header
2138  */
2139 struct dmub_rb_cmd_common {
2140 	struct dmub_cmd_header header; /**< command header */
2141 	/**
2142 	 * Padding to RB_CMD_SIZE
2143 	 */
2144 	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)];
2145 };
2146 
2147 /**
2148  * struct dmub_cmd_reg_wait_data - Register wait data
2149  */
2150 struct dmub_cmd_reg_wait_data {
2151 	uint32_t addr; /**< Register address */
2152 	uint32_t mask; /**< Mask for register bits */
2153 	uint32_t condition_field_value; /**< Value to wait for */
2154 	uint32_t time_out_us; /**< Time out for reg wait in microseconds */
2155 };
2156 
2157 /**
2158  * struct dmub_rb_cmd_reg_wait - Register wait command
2159  */
2160 struct dmub_rb_cmd_reg_wait {
2161 	struct dmub_cmd_header header; /**< Command header */
2162 	struct dmub_cmd_reg_wait_data reg_wait; /**< Register wait data */
2163 };
2164 
2165 /**
2166  * struct dmub_cmd_PLAT_54186_wa - Underflow workaround
2167  *
2168  * Reprograms surface parameters to avoid underflow.
2169  */
2170 struct dmub_cmd_PLAT_54186_wa {
2171 	uint32_t DCSURF_SURFACE_CONTROL; /**< reg value */
2172 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH; /**< reg value */
2173 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS; /**< reg value */
2174 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C; /**< reg value */
2175 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_C; /**< reg value */
2176 	struct {
2177 		uint32_t hubp_inst : 4; /**< HUBP instance */
2178 		uint32_t tmz_surface : 1; /**< TMZ enable or disable */
2179 		uint32_t immediate :1; /**< Immediate flip */
2180 		uint32_t vmid : 4; /**< VMID */
2181 		uint32_t grph_stereo : 1; /**< 1 if stereo */
2182 		uint32_t reserved : 21; /**< Reserved */
2183 	} flip_params; /**< Pageflip parameters */
2184 	uint32_t reserved[9]; /**< Reserved bits */
2185 };
2186 
2187 /**
2188  * struct dmub_rb_cmd_PLAT_54186_wa - Underflow workaround command
2189  */
2190 struct dmub_rb_cmd_PLAT_54186_wa {
2191 	struct dmub_cmd_header header; /**< Command header */
2192 	struct dmub_cmd_PLAT_54186_wa flip; /**< Flip data */
2193 };
2194 
2195 /**
2196  * enum dmub_cmd_mall_type - MALL commands
2197  */
2198 enum dmub_cmd_mall_type {
2199 	/**
2200 	 * Allows display refresh from MALL.
2201 	 */
2202 	DMUB_CMD__MALL_ACTION_ALLOW = 0,
2203 	/**
2204 	 * Disallows display refresh from MALL.
2205 	 */
2206 	DMUB_CMD__MALL_ACTION_DISALLOW = 1,
2207 	/**
2208 	 * Cursor copy for MALL.
2209 	 */
2210 	DMUB_CMD__MALL_ACTION_COPY_CURSOR = 2,
2211 	/**
2212 	 * Controls DF requests.
2213 	 */
2214 	DMUB_CMD__MALL_ACTION_NO_DF_REQ = 3,
2215 };
2216 
2217 /**
2218  * struct dmub_rb_cmd_mall - MALL command data.
2219  */
2220 struct dmub_rb_cmd_mall {
2221 	struct dmub_cmd_header header; /**< Common command header */
2222 	union dmub_addr cursor_copy_src; /**< Cursor copy address */
2223 	union dmub_addr cursor_copy_dst; /**< Cursor copy destination */
2224 	uint32_t tmr_delay; /**< Timer delay */
2225 	uint32_t tmr_scale; /**< Timer scale */
2226 	uint16_t cursor_width; /**< Cursor width in pixels */
2227 	uint16_t cursor_pitch; /**< Cursor pitch in pixels */
2228 	uint16_t cursor_height; /**< Cursor height in pixels */
2229 	uint8_t cursor_bpp; /**< Cursor bits per pixel */
2230 	uint8_t debug_bits; /**< Debug bits */
2231 
2232 	uint8_t reserved1; /**< Reserved bits */
2233 	uint8_t reserved2; /**< Reserved bits */
2234 };
2235 
2236 /**
2237  * enum dmub_cmd_cab_type - CAB command data.
2238  */
2239 enum dmub_cmd_cab_type {
2240 	/**
2241 	 * No idle optimizations (i.e. no CAB)
2242 	 */
2243 	DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0,
2244 	/**
2245 	 * No DCN requests for memory
2246 	 */
2247 	DMUB_CMD__CAB_NO_DCN_REQ = 1,
2248 	/**
2249 	 * Fit surfaces in CAB (i.e. CAB enable)
2250 	 */
2251 	DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2,
2252 	/**
2253 	 * Do not fit surfaces in CAB (i.e. no CAB)
2254 	 */
2255 	DMUB_CMD__CAB_DCN_SS_NOT_FIT_IN_CAB = 3,
2256 };
2257 
2258 /**
2259  * struct dmub_rb_cmd_cab_for_ss - CAB command data.
2260  */
2261 struct dmub_rb_cmd_cab_for_ss {
2262 	struct dmub_cmd_header header;
2263 	uint8_t cab_alloc_ways; /* total number of ways */
2264 	uint8_t debug_bits;     /* debug bits */
2265 };
2266 
2267 /**
2268  * Enum for indicating which MCLK switch mode per pipe
2269  */
2270 enum mclk_switch_mode {
2271 	NONE = 0,
2272 	FPO = 1,
2273 	SUBVP = 2,
2274 	VBLANK = 3,
2275 };
2276 
2277 /* Per pipe struct which stores the MCLK switch mode
2278  * data to be sent to DMUB.
2279  * Named "v2" for now -- once FPO and SUBVP are fully merged
2280  * the type name can be updated
2281  */
2282 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 {
2283 	union {
2284 		struct {
2285 			uint32_t pix_clk_100hz;
2286 			uint16_t main_vblank_start;
2287 			uint16_t main_vblank_end;
2288 			uint16_t mall_region_lines;
2289 			uint16_t prefetch_lines;
2290 			uint16_t prefetch_to_mall_start_lines;
2291 			uint16_t processing_delay_lines;
2292 			uint16_t htotal; // required to calculate line time for multi-display cases
2293 			uint16_t vtotal;
2294 			uint8_t main_pipe_index;
2295 			uint8_t phantom_pipe_index;
2296 			/* Since the microschedule is calculated in terms of OTG lines,
2297 			 * include any scaling factors to make sure when we get accurate
2298 			 * conversion when programming MALL_START_LINE (which is in terms
2299 			 * of HUBP lines). If 4K is being downscaled to 1080p, scale factor
2300 			 * is 1/2 (numerator = 1, denominator = 2).
2301 			 */
2302 			uint8_t scale_factor_numerator;
2303 			uint8_t scale_factor_denominator;
2304 			uint8_t is_drr;
2305 			uint8_t main_split_pipe_index;
2306 			uint8_t phantom_split_pipe_index;
2307 		} subvp_data;
2308 
2309 		struct {
2310 			uint32_t pix_clk_100hz;
2311 			uint16_t vblank_start;
2312 			uint16_t vblank_end;
2313 			uint16_t vstartup_start;
2314 			uint16_t vtotal;
2315 			uint16_t htotal;
2316 			uint8_t vblank_pipe_index;
2317 			uint8_t padding[1];
2318 			struct {
2319 				uint8_t drr_in_use;
2320 				uint8_t drr_window_size_ms;	// Indicates largest VMIN/VMAX adjustment per frame
2321 				uint16_t min_vtotal_supported;	// Min VTOTAL that supports switching in VBLANK
2322 				uint16_t max_vtotal_supported;	// Max VTOTAL that can support SubVP static scheduling
2323 				uint8_t use_ramping;		// Use ramping or not
2324 				uint8_t drr_vblank_start_margin;
2325 			} drr_info;				// DRR considered as part of SubVP + VBLANK case
2326 		} vblank_data;
2327 	} pipe_config;
2328 
2329 	/* - subvp_data in the union (pipe_config) takes up 27 bytes.
2330 	 * - Make the "mode" field a uint8_t instead of enum so we only use 1 byte (only
2331 	 *   for the DMCUB command, cast to enum once we populate the DMCUB subvp state).
2332 	 */
2333 	uint8_t mode; // enum mclk_switch_mode
2334 };
2335 
2336 /**
2337  * Config data for Sub-VP and FPO
2338  * Named "v2" for now -- once FPO and SUBVP are fully merged
2339  * the type name can be updated
2340  */
2341 struct dmub_cmd_fw_assisted_mclk_switch_config_v2 {
2342 	uint16_t watermark_a_cache;
2343 	uint8_t vertical_int_margin_us;
2344 	uint8_t pstate_allow_width_us;
2345 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 pipe_data[DMUB_MAX_SUBVP_STREAMS];
2346 };
2347 
2348 /**
2349  * DMUB rb command definition for Sub-VP and FPO
2350  * Named "v2" for now -- once FPO and SUBVP are fully merged
2351  * the type name can be updated
2352  */
2353 struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 {
2354 	struct dmub_cmd_header header;
2355 	struct dmub_cmd_fw_assisted_mclk_switch_config_v2 config_data;
2356 };
2357 
2358 struct dmub_flip_addr_info {
2359 	uint32_t surf_addr_lo;
2360 	uint32_t surf_addr_c_lo;
2361 	uint32_t meta_addr_lo;
2362 	uint32_t meta_addr_c_lo;
2363 	uint16_t surf_addr_hi;
2364 	uint16_t surf_addr_c_hi;
2365 	uint16_t meta_addr_hi;
2366 	uint16_t meta_addr_c_hi;
2367 };
2368 
2369 struct dmub_fams2_flip_info {
2370 	union {
2371 		struct {
2372 			uint8_t is_immediate: 1;
2373 		} bits;
2374 		uint8_t all;
2375 	} config;
2376 	uint8_t otg_inst;
2377 	uint8_t pipe_mask;
2378 	uint8_t pad;
2379 	struct dmub_flip_addr_info addr_info;
2380 };
2381 
2382 struct dmub_rb_cmd_fams2_flip {
2383 	struct dmub_cmd_header header;
2384 	struct dmub_fams2_flip_info flip_info;
2385 };
2386 
2387 struct dmub_cmd_lsdma_data {
2388 	union {
2389 		struct lsdma_init_data {
2390 			union dmub_addr gpu_addr_base;
2391 			uint32_t ring_size;
2392 		} init_data;
2393 		struct lsdma_tiled_copy_data {
2394 			uint32_t src_addr_lo;
2395 			uint32_t src_addr_hi;
2396 
2397 			uint32_t dst_addr_lo;
2398 			uint32_t dst_addr_hi;
2399 
2400 			uint32_t src_x            : 16;
2401 			uint32_t src_y            : 16;
2402 
2403 			uint32_t dst_x            : 16;
2404 			uint32_t dst_y            : 16;
2405 
2406 			uint32_t src_width        : 16;
2407 			uint32_t src_height       : 16;
2408 
2409 			uint32_t dst_width        : 16;
2410 			uint32_t dst_height       : 16;
2411 
2412 			uint32_t rect_x           : 16;
2413 			uint32_t rect_y           : 16;
2414 
2415 			uint32_t src_swizzle_mode : 5;
2416 			uint32_t src_mip_max      : 5;
2417 			uint32_t src_mip_id       : 5;
2418 			uint32_t dst_mip_max      : 5;
2419 			uint32_t dst_swizzle_mode : 5;
2420 			uint32_t dst_mip_id       : 5;
2421 			uint32_t dcc              : 1;
2422 			uint32_t padding1         : 1;
2423 
2424 			uint32_t data_format      : 6;
2425 			uint32_t tmz              : 4;
2426 			uint32_t dst_element_size : 3;
2427 			uint32_t num_type         : 3;
2428 			uint32_t src_element_size : 3;
2429 			uint32_t write_compress   : 2;
2430 			uint32_t cache_policy_dst : 3;
2431 			uint32_t cache_policy_src : 3;
2432 			uint32_t read_compress    : 2;
2433 			uint32_t max_com          : 2;
2434 			uint32_t max_uncom        : 1;
2435 
2436 			uint32_t dst_dim          : 2;
2437 			uint32_t src_dim          : 2;
2438 			uint32_t padding          : 28;
2439 		} tiled_copy_data;
2440 		struct lsdma_linear_copy_data {
2441 			uint32_t src_lo;
2442 			uint32_t src_hi;
2443 
2444 			uint32_t dst_lo;
2445 			uint32_t dst_hi;
2446 
2447 			uint32_t count            : 30;
2448 			uint32_t pad0             : 2;
2449 
2450 			uint32_t tmz              : 4;
2451 			uint32_t cache_policy_src : 3;
2452 			uint32_t cache_policy_dst : 3;
2453 			uint32_t data_format      : 6;
2454 			uint32_t num_type         : 3;
2455 			uint32_t read_compress    : 2;
2456 			uint32_t write_compress   : 2;
2457 			uint32_t max_com          : 2;
2458 			uint32_t max_uncom        : 1;
2459 			uint32_t pad1             : 6;
2460 		} linear_copy_data;
2461 		struct lsdma_linear_sub_window_copy_data {
2462 			uint32_t src_lo;
2463 			uint32_t src_hi;
2464 
2465 			uint32_t dst_lo;
2466 			uint32_t dst_hi;
2467 
2468 			uint32_t src_x        : 16;
2469 			uint32_t src_y        : 16;
2470 
2471 			uint32_t dst_x        : 16;
2472 			uint32_t dst_y        : 16;
2473 
2474 			uint32_t rect_x       : 16;
2475 			uint32_t rect_y       : 16;
2476 
2477 			uint32_t src_pitch    : 16;
2478 			uint32_t dst_pitch    : 16;
2479 
2480 			uint32_t src_slice_pitch;
2481 			uint32_t dst_slice_pitch;
2482 
2483 			uint32_t tmz              : 4;
2484 			uint32_t element_size     : 3;
2485 			uint32_t src_cache_policy : 3;
2486 			uint32_t dst_cache_policy : 3;
2487 			uint32_t data_format      : 6;
2488 			uint32_t num_type         : 3;
2489 			uint32_t read_compress    : 2;
2490 			uint32_t write_compress   : 2;
2491 			uint32_t max_com          : 2;
2492 			uint32_t max_uncom        : 1;
2493 			uint32_t reserved0        : 3;
2494 		} linear_sub_window_copy_data;
2495 		struct lsdma_reg_write_data {
2496 			uint32_t reg_addr;
2497 			uint32_t reg_data;
2498 		} reg_write_data;
2499 		struct lsdma_pio_copy_data {
2500 			uint32_t src_lo;
2501 			uint32_t src_hi;
2502 
2503 			uint32_t dst_lo;
2504 			uint32_t dst_hi;
2505 
2506 			union {
2507 				struct {
2508 					uint32_t byte_count      : 26;
2509 					uint32_t src_loc         : 1;
2510 					uint32_t dst_loc         : 1;
2511 					uint32_t src_addr_inc    : 1;
2512 					uint32_t dst_addr_inc    : 1;
2513 					uint32_t overlap_disable : 1;
2514 					uint32_t constant_fill   : 1;
2515 				} fields;
2516 				uint32_t raw;
2517 			} packet;
2518 		} pio_copy_data;
2519 		struct lsdma_pio_constfill_data {
2520 			uint32_t dst_lo;
2521 			uint32_t dst_hi;
2522 
2523 			union {
2524 				struct {
2525 					uint32_t byte_count      : 26;
2526 					uint32_t src_loc         : 1;
2527 					uint32_t dst_loc         : 1;
2528 					uint32_t src_addr_inc    : 1;
2529 					uint32_t dst_addr_inc    : 1;
2530 					uint32_t overlap_disable : 1;
2531 					uint32_t constant_fill   : 1;
2532 				} fields;
2533 				uint32_t raw;
2534 			} packet;
2535 
2536 			uint32_t data;
2537 		} pio_constfill_data;
2538 
2539 		uint32_t all[14];
2540 	} u;
2541 };
2542 
2543 struct dmub_rb_cmd_lsdma {
2544 	struct dmub_cmd_header header;
2545 	struct dmub_cmd_lsdma_data lsdma_data;
2546 };
2547 
2548 struct dmub_optc_state_v2 {
2549 	uint32_t v_total_min;
2550 	uint32_t v_total_max;
2551 	uint32_t v_total_mid;
2552 	uint32_t v_total_mid_frame_num;
2553 	uint8_t program_manual_trigger;
2554 	uint8_t tg_inst;
2555 	uint8_t pad[2];
2556 };
2557 
2558 struct dmub_optc_position {
2559 	uint32_t vpos;
2560 	uint32_t hpos;
2561 	uint32_t frame;
2562 };
2563 
2564 struct dmub_rb_cmd_fams2_drr_update {
2565 	struct dmub_cmd_header header;
2566 	struct dmub_optc_state_v2 dmub_optc_state_req;
2567 };
2568 
2569 /* HW and FW global configuration data for FAMS2 */
2570 /* FAMS2 types and structs */
2571 enum fams2_stream_type {
2572 	FAMS2_STREAM_TYPE_NONE = 0,
2573 	FAMS2_STREAM_TYPE_VBLANK = 1,
2574 	FAMS2_STREAM_TYPE_VACTIVE = 2,
2575 	FAMS2_STREAM_TYPE_DRR = 3,
2576 	FAMS2_STREAM_TYPE_SUBVP = 4,
2577 };
2578 
2579 struct dmub_rect16 {
2580 	/**
2581 	 * Dirty rect x offset.
2582 	 */
2583 	uint16_t x;
2584 
2585 	/**
2586 	 * Dirty rect y offset.
2587 	 */
2588 	uint16_t y;
2589 
2590 	/**
2591 	 * Dirty rect width.
2592 	 */
2593 	uint16_t width;
2594 
2595 	/**
2596 	 * Dirty rect height.
2597 	 */
2598 	uint16_t height;
2599 };
2600 
2601 /* static stream state */
2602 struct dmub_fams2_legacy_stream_static_state {
2603 	uint8_t vactive_det_fill_delay_otg_vlines;
2604 	uint8_t programming_delay_otg_vlines;
2605 }; //v0
2606 
2607 struct dmub_fams2_subvp_stream_static_state {
2608 	uint16_t vratio_numerator;
2609 	uint16_t vratio_denominator;
2610 	uint16_t phantom_vtotal;
2611 	uint16_t phantom_vactive;
2612 	union {
2613 		struct {
2614 			uint8_t is_multi_planar : 1;
2615 			uint8_t is_yuv420 : 1;
2616 		} bits;
2617 		uint8_t all;
2618 	} config;
2619 	uint8_t programming_delay_otg_vlines;
2620 	uint8_t prefetch_to_mall_otg_vlines;
2621 	uint8_t phantom_otg_inst;
2622 	uint8_t phantom_pipe_mask;
2623 	uint8_t phantom_plane_pipe_masks[DMUB_MAX_PHANTOM_PLANES]; // phantom pipe mask per plane (for flip passthrough)
2624 }; //v0
2625 
2626 struct dmub_fams2_drr_stream_static_state {
2627 	uint16_t nom_stretched_vtotal;
2628 	uint8_t programming_delay_otg_vlines;
2629 	uint8_t only_stretch_if_required;
2630 	uint8_t pad[2];
2631 }; //v0
2632 
2633 struct dmub_fams2_cmd_legacy_stream_static_state {
2634 	uint16_t vactive_det_fill_delay_otg_vlines;
2635 	uint16_t programming_delay_otg_vlines;
2636 	uint32_t disallow_time_us;
2637 }; //v1
2638 
2639 struct dmub_fams2_cmd_subvp_stream_static_state {
2640 	uint16_t vratio_numerator;
2641 	uint16_t vratio_denominator;
2642 	uint16_t phantom_vtotal;
2643 	uint16_t phantom_vactive;
2644 	uint16_t programming_delay_otg_vlines;
2645 	uint16_t prefetch_to_mall_otg_vlines;
2646 	union {
2647 		struct {
2648 			uint8_t is_multi_planar : 1;
2649 			uint8_t is_yuv420 : 1;
2650 		} bits;
2651 		uint8_t all;
2652 	} config;
2653 	uint8_t phantom_otg_inst;
2654 	uint8_t phantom_pipe_mask;
2655 	uint8_t pad0;
2656 	uint8_t phantom_plane_pipe_masks[DMUB_MAX_PHANTOM_PLANES]; // phantom pipe mask per plane (for flip passthrough)
2657 	uint8_t pad1[4 - (DMUB_MAX_PHANTOM_PLANES % 4)];
2658 }; //v1
2659 
2660 struct dmub_fams2_cmd_drr_stream_static_state {
2661 	uint16_t nom_stretched_vtotal;
2662 	uint16_t programming_delay_otg_vlines;
2663 	uint8_t only_stretch_if_required;
2664 	uint8_t pad[3];
2665 }; //v1
2666 
2667 union dmub_fams2_stream_static_sub_state {
2668 	struct dmub_fams2_legacy_stream_static_state legacy;
2669 	struct dmub_fams2_subvp_stream_static_state subvp;
2670 	struct dmub_fams2_drr_stream_static_state drr;
2671 }; //v0
2672 
2673 union dmub_fams2_cmd_stream_static_sub_state {
2674 	COMMON_STREAM_STATIC_SUB_STATE
2675 }; //v1
2676 
2677 union dmub_fams2_stream_static_sub_state_v2 {
2678 	COMMON_STREAM_STATIC_SUB_STATE
2679 }; //v2
2680 
2681 struct dmub_fams2_stream_static_state {
2682 	enum fams2_stream_type type;
2683 	uint32_t otg_vline_time_ns;
2684 	uint32_t otg_vline_time_ticks;
2685 	uint16_t htotal;
2686 	uint16_t vtotal; // nominal vtotal
2687 	uint16_t vblank_start;
2688 	uint16_t vblank_end;
2689 	uint16_t max_vtotal;
2690 	uint16_t allow_start_otg_vline;
2691 	uint16_t allow_end_otg_vline;
2692 	uint16_t drr_keepout_otg_vline; // after this vline, vtotal cannot be changed
2693 	uint8_t scheduling_delay_otg_vlines; // min time to budget for ready to microschedule start
2694 	uint8_t contention_delay_otg_vlines; // time to budget for contention on execution
2695 	uint8_t vline_int_ack_delay_otg_vlines; // min time to budget for vertical interrupt firing
2696 	uint8_t allow_to_target_delay_otg_vlines; // time from allow vline to target vline
2697 	union {
2698 		struct {
2699 			uint8_t is_drr : 1; // stream is DRR enabled
2700 			uint8_t clamp_vtotal_min : 1; // clamp vtotal to min instead of nominal
2701 			uint8_t min_ttu_vblank_usable : 1; // if min ttu vblank is above wm, no force pstate is needed in blank
2702 		} bits;
2703 		uint8_t all;
2704 	} config;
2705 	uint8_t otg_inst;
2706 	uint8_t pipe_mask; // pipe mask for the whole config
2707 	uint8_t num_planes;
2708 	uint8_t plane_pipe_masks[DMUB_MAX_PLANES]; // pipe mask per plane (for flip passthrough)
2709 	uint8_t pad[4 - (DMUB_MAX_PLANES % 4)];
2710 	union dmub_fams2_stream_static_sub_state sub_state;
2711 }; //v0
2712 
2713 struct dmub_fams2_cmd_stream_static_base_state {
2714 	enum fams2_stream_type type;
2715 	uint32_t otg_vline_time_ns;
2716 	uint32_t otg_vline_time_ticks;
2717 	uint16_t htotal;
2718 	uint16_t vtotal; // nominal vtotal
2719 	uint16_t vblank_start;
2720 	uint16_t vblank_end;
2721 	uint16_t max_vtotal;
2722 	uint16_t allow_start_otg_vline;
2723 	uint16_t allow_end_otg_vline;
2724 	uint16_t drr_keepout_otg_vline; // after this vline, vtotal cannot be changed
2725 	uint16_t scheduling_delay_otg_vlines; // min time to budget for ready to microschedule start
2726 	uint16_t contention_delay_otg_vlines; // time to budget for contention on execution
2727 	uint16_t vline_int_ack_delay_otg_vlines; // min time to budget for vertical interrupt firing
2728 	uint16_t allow_to_target_delay_otg_vlines; // time from allow vline to target vline
2729 	union {
2730 		struct {
2731 			uint8_t is_drr : 1; // stream is DRR enabled
2732 			uint8_t clamp_vtotal_min : 1; // clamp vtotal to min instead of nominal
2733 			uint8_t min_ttu_vblank_usable : 1; // if min ttu vblank is above wm, no force pstate is needed in blank
2734 		} bits;
2735 		uint8_t all;
2736 	} config;
2737 	uint8_t otg_inst;
2738 	uint8_t pipe_mask; // pipe mask for the whole config
2739 	uint8_t num_planes;
2740 	uint8_t plane_pipe_masks[DMUB_MAX_PLANES]; // pipe mask per plane (for flip passthrough)
2741 	uint8_t pad[4 - (DMUB_MAX_PLANES % 4)];
2742 }; //v1
2743 
2744 struct dmub_fams2_stream_static_state_v1 {
2745 	struct dmub_fams2_cmd_stream_static_base_state base;
2746 	union dmub_fams2_stream_static_sub_state_v2 sub_state;
2747 }; //v1
2748 
2749 /**
2750  * enum dmub_fams2_allow_delay_check_mode - macroscheduler mode for breaking on excessive
2751  * p-state request to allow latency
2752  */
2753 enum dmub_fams2_allow_delay_check_mode {
2754 	/* No check for request to allow delay */
2755 	FAMS2_ALLOW_DELAY_CHECK_NONE = 0,
2756 	/* Check for request to allow delay */
2757 	FAMS2_ALLOW_DELAY_CHECK_FROM_START = 1,
2758 	/* Check for prepare to allow delay */
2759 	FAMS2_ALLOW_DELAY_CHECK_FROM_PREPARE = 2,
2760 };
2761 
2762 union dmub_fams2_global_feature_config {
2763 	struct {
2764 		uint32_t enable: 1;
2765 		uint32_t enable_ppt_check: 1;
2766 		uint32_t enable_stall_recovery: 1;
2767 		uint32_t enable_debug: 1;
2768 		uint32_t enable_offload_flip: 1;
2769 		uint32_t enable_visual_confirm: 1;
2770 		uint32_t allow_delay_check_mode: 2;
2771 		uint32_t legacy_method_no_fams2 : 1;
2772 		uint32_t reserved : 23;
2773 	} bits;
2774 	uint32_t all;
2775 };
2776 
2777 struct dmub_cmd_fams2_global_config {
2778 	uint32_t max_allow_delay_us; // max delay to assert allow from uclk change begin
2779 	uint32_t lock_wait_time_us; // time to forecast acquisition of lock
2780 	uint32_t num_streams;
2781 	union dmub_fams2_global_feature_config features;
2782 	uint32_t recovery_timeout_us;
2783 	uint32_t hwfq_flip_programming_delay_us;
2784 	uint32_t max_allow_to_target_delta_us; // how early DCN could assert P-State allow compared to the P-State target
2785 };
2786 
2787 union dmub_cmd_fams2_config {
2788 	struct dmub_cmd_fams2_global_config global;
2789 	struct dmub_fams2_stream_static_state stream; //v0
2790 	union {
2791 		struct dmub_fams2_cmd_stream_static_base_state base;
2792 		union dmub_fams2_cmd_stream_static_sub_state sub_state;
2793 	} stream_v1; //v1
2794 };
2795 
2796 struct dmub_fams2_config_v2 {
2797 	struct dmub_cmd_fams2_global_config global;
2798 	struct dmub_fams2_stream_static_state_v1 stream_v1[DMUB_MAX_STREAMS]; //v1
2799 };
2800 
2801 /**
2802  * DMUB rb command definition for FAMS2 (merged SubVP, FPO, Legacy)
2803  */
2804 struct dmub_rb_cmd_fams2 {
2805 	struct dmub_cmd_header header;
2806 	union dmub_cmd_fams2_config config;
2807 };
2808 
2809 /**
2810  * Indirect buffer descriptor
2811  */
2812 struct dmub_ib_data {
2813 	union dmub_addr src; // location of indirect buffer in memory
2814 	uint16_t size; // indirect buffer size in bytes
2815 };
2816 
2817 /**
2818  * DMUB rb command definition for commands passed over indirect buffer
2819  */
2820 struct dmub_rb_cmd_ib {
2821 	struct dmub_cmd_header header;
2822 	struct dmub_ib_data ib_data;
2823 };
2824 
2825 /**
2826  * enum dmub_cmd_idle_opt_type - Idle optimization command type.
2827  */
2828 enum dmub_cmd_idle_opt_type {
2829 	/**
2830 	 * DCN hardware restore.
2831 	 */
2832 	DMUB_CMD__IDLE_OPT_DCN_RESTORE = 0,
2833 
2834 	/**
2835 	 * DCN hardware save.
2836 	 */
2837 	DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT = 1,
2838 
2839 	/**
2840 	 * DCN hardware notify idle.
2841 	 */
2842 	DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE = 2,
2843 
2844 	/**
2845 	 * DCN hardware notify power state.
2846 	 */
2847 	DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE = 3,
2848 
2849 	/**
2850 	 * DCN notify to release HW.
2851 	 */
2852 	 DMUB_CMD__IDLE_OPT_RELEASE_HW = 4,
2853 };
2854 
2855 /**
2856  * struct dmub_rb_cmd_idle_opt_dcn_restore - DCN restore command data.
2857  */
2858 struct dmub_rb_cmd_idle_opt_dcn_restore {
2859 	struct dmub_cmd_header header; /**< header */
2860 };
2861 
2862 /**
2863  * struct dmub_dcn_notify_idle_cntl_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
2864  */
2865 struct dmub_dcn_notify_idle_cntl_data {
2866 	uint8_t driver_idle;
2867 	uint8_t skip_otg_disable;
2868 	uint8_t reserved[58];
2869 };
2870 
2871 /**
2872  * struct dmub_rb_cmd_idle_opt_dcn_notify_idle - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
2873  */
2874 struct dmub_rb_cmd_idle_opt_dcn_notify_idle {
2875 	struct dmub_cmd_header header; /**< header */
2876 	struct dmub_dcn_notify_idle_cntl_data cntl_data;
2877 };
2878 
2879 /**
2880  * enum dmub_idle_opt_dc_power_state - DC power states.
2881  */
2882 enum dmub_idle_opt_dc_power_state {
2883 	DMUB_IDLE_OPT_DC_POWER_STATE_UNKNOWN = 0,
2884 	DMUB_IDLE_OPT_DC_POWER_STATE_D0 = 1,
2885 	DMUB_IDLE_OPT_DC_POWER_STATE_D1 = 2,
2886 	DMUB_IDLE_OPT_DC_POWER_STATE_D2 = 4,
2887 	DMUB_IDLE_OPT_DC_POWER_STATE_D3 = 8,
2888 };
2889 
2890 /**
2891  * struct dmub_idle_opt_set_dc_power_state_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command.
2892  */
2893 struct dmub_idle_opt_set_dc_power_state_data {
2894 	uint8_t power_state; /**< power state */
2895 	uint8_t pad[3]; /**< padding */
2896 };
2897 
2898 /**
2899  * 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.
2900  */
2901 struct dmub_rb_cmd_idle_opt_set_dc_power_state {
2902 	struct dmub_cmd_header header; /**< header */
2903 	struct dmub_idle_opt_set_dc_power_state_data data;
2904 };
2905 
2906 /**
2907  * struct dmub_clocks - Clock update notification.
2908  */
2909 struct dmub_clocks {
2910 	uint32_t dispclk_khz; /**< dispclk kHz */
2911 	uint32_t dppclk_khz; /**< dppclk kHz */
2912 	uint32_t dcfclk_khz; /**< dcfclk kHz */
2913 	uint32_t dcfclk_deep_sleep_khz; /**< dcfclk deep sleep kHz */
2914 };
2915 
2916 /**
2917  * enum dmub_cmd_clk_mgr_type - Clock manager commands.
2918  */
2919 enum dmub_cmd_clk_mgr_type {
2920 	/**
2921 	 * Notify DMCUB of clock update.
2922 	 */
2923 	DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS = 0,
2924 };
2925 
2926 /**
2927  * struct dmub_rb_cmd_clk_mgr_notify_clocks - Clock update notification.
2928  */
2929 struct dmub_rb_cmd_clk_mgr_notify_clocks {
2930 	struct dmub_cmd_header header; /**< header */
2931 	struct dmub_clocks clocks; /**< clock data */
2932 };
2933 
2934 /**
2935  * struct dmub_cmd_digx_encoder_control_data - Encoder control data.
2936  */
2937 struct dmub_cmd_digx_encoder_control_data {
2938 	union dig_encoder_control_parameters_v1_5 dig; /**< payload */
2939 };
2940 
2941 /**
2942  * struct dmub_rb_cmd_digx_encoder_control - Encoder control command.
2943  */
2944 struct dmub_rb_cmd_digx_encoder_control {
2945 	struct dmub_cmd_header header;  /**< header */
2946 	struct dmub_cmd_digx_encoder_control_data encoder_control; /**< payload */
2947 };
2948 
2949 /**
2950  * struct dmub_cmd_set_pixel_clock_data - Set pixel clock data.
2951  */
2952 struct dmub_cmd_set_pixel_clock_data {
2953 	struct set_pixel_clock_parameter_v1_7 clk; /**< payload */
2954 };
2955 
2956 /**
2957  * struct dmub_cmd_set_pixel_clock_data - Set pixel clock command.
2958  */
2959 struct dmub_rb_cmd_set_pixel_clock {
2960 	struct dmub_cmd_header header; /**< header */
2961 	struct dmub_cmd_set_pixel_clock_data pixel_clock; /**< payload */
2962 };
2963 
2964 /**
2965  * struct dmub_cmd_enable_disp_power_gating_data - Display power gating.
2966  */
2967 struct dmub_cmd_enable_disp_power_gating_data {
2968 	struct enable_disp_power_gating_parameters_v2_1 pwr; /**< payload */
2969 };
2970 
2971 /**
2972  * struct dmub_rb_cmd_enable_disp_power_gating - Display power command.
2973  */
2974 struct dmub_rb_cmd_enable_disp_power_gating {
2975 	struct dmub_cmd_header header; /**< header */
2976 	struct dmub_cmd_enable_disp_power_gating_data power_gating;  /**< payload */
2977 };
2978 
2979 /**
2980  * struct dmub_dig_transmitter_control_data_v1_7 - Transmitter control.
2981  */
2982 struct dmub_dig_transmitter_control_data_v1_7 {
2983 	uint8_t phyid; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
2984 	uint8_t action; /**< Defined as ATOM_TRANSMITER_ACTION_xxx */
2985 	union {
2986 		uint8_t digmode; /**< enum atom_encode_mode_def */
2987 		uint8_t dplaneset; /**< DP voltage swing and pre-emphasis value, "DP_LANE_SET__xDB_y_zV" */
2988 		uint8_t txffe; /**< TxFFE settings for HDMI 2.1 */
2989 	} mode_laneset;
2990 	uint8_t lanenum; /**< Number of lanes */
2991 	union {
2992 		uint32_t symclk_10khz; /**< Symbol Clock in 10Khz */
2993 		uint32_t symclk_Hz; /**< Symbol clock in Hz for FRL */
2994 	} symclk_units;
2995 	uint8_t hpdsel; /**< =1: HPD1, =2: HPD2, ..., =6: HPD6, =0: HPD is not assigned */
2996 	uint8_t digfe_sel; /**< DIG front-end selection, bit0 means DIG0 FE is enabled */
2997 	uint8_t connobj_id; /**< Connector Object Id defined in ObjectId.h */
2998 	uint8_t HPO_instance; /**< HPO instance (0: inst0, 1: inst1) */
2999 	uint8_t TxFFELaneSel; /**< TxFFE lane select [3:0]
3000 				(bit0: lane0, bit1: lane1, bit2: lane3, bit3: lane3) */
3001 	uint8_t skip_phy_ssc_reduction;
3002 	uint8_t reserved2[2]; /**< For future use */
3003 	uint32_t reserved3[11]; /**< For future use */
3004 };
3005 
3006 /**
3007  * union dmub_cmd_dig1_transmitter_control_data - Transmitter control data.
3008  */
3009 union dmub_cmd_dig1_transmitter_control_data {
3010 	struct dig_transmitter_control_parameters_v1_6 dig; /**< payload */
3011 	struct dmub_dig_transmitter_control_data_v1_7 dig_v1_7;  /**< payload 1.7 */
3012 };
3013 
3014 /**
3015  * struct dmub_rb_cmd_dig1_transmitter_control - Transmitter control command.
3016  */
3017 struct dmub_rb_cmd_dig1_transmitter_control {
3018 	struct dmub_cmd_header header; /**< header */
3019 	union dmub_cmd_dig1_transmitter_control_data transmitter_control; /**< payload */
3020 };
3021 
3022 /**
3023  * struct dmub_rb_cmd_domain_control_data - Data for DOMAIN power control
3024  */
3025 struct dmub_rb_cmd_domain_control_data {
3026 	uint8_t inst : 6; /**< DOMAIN instance to control */
3027 	uint8_t power_gate : 1; /**< 1=power gate, 0=power up */
3028 	uint8_t reserved[3]; /**< Reserved for future use */
3029 };
3030 
3031 /**
3032  * struct dmub_rb_cmd_domain_control - Controls DOMAIN power gating
3033  */
3034 struct dmub_rb_cmd_domain_control {
3035 	struct dmub_cmd_header header; /**< header */
3036 	struct dmub_rb_cmd_domain_control_data data; /**< payload */
3037 };
3038 
3039 /**
3040  * DPIA tunnel command parameters.
3041  */
3042 struct dmub_cmd_dig_dpia_control_data {
3043 	uint8_t enc_id;         /** 0 = ENGINE_ID_DIGA, ... */
3044 	uint8_t action;         /** ATOM_TRANSMITER_ACTION_DISABLE/ENABLE/SETUP_VSEMPH */
3045 	union {
3046 		uint8_t digmode;    /** enum atom_encode_mode_def */
3047 		uint8_t dplaneset;  /** DP voltage swing and pre-emphasis value */
3048 	} mode_laneset;
3049 	uint8_t lanenum;        /** Lane number 1, 2, 4, 8 */
3050 	uint32_t symclk_10khz;  /** Symbol Clock in 10Khz */
3051 	uint8_t hpdsel;         /** =0: HPD is not assigned */
3052 	uint8_t digfe_sel;      /** DIG stream( front-end ) selection, bit0 - DIG0 FE */
3053 	uint8_t dpia_id;        /** Index of DPIA */
3054 	uint8_t fec_rdy : 1;
3055 	uint8_t reserved : 7;
3056 	uint32_t reserved1;
3057 };
3058 
3059 /**
3060  * DMUB command for DPIA tunnel control.
3061  */
3062 struct dmub_rb_cmd_dig1_dpia_control {
3063 	struct dmub_cmd_header header;
3064 	struct dmub_cmd_dig_dpia_control_data dpia_control;
3065 };
3066 
3067 /**
3068  * SET_CONFIG Command Payload (deprecated)
3069  */
3070 struct set_config_cmd_payload {
3071 	uint8_t msg_type; /* set config message type */
3072 	uint8_t msg_data; /* set config message data */
3073 };
3074 
3075 /**
3076  * Data passed from driver to FW in a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command. (deprecated)
3077  */
3078 struct dmub_cmd_set_config_control_data {
3079 	struct set_config_cmd_payload cmd_pkt;
3080 	uint8_t instance; /* DPIA instance */
3081 	uint8_t immed_status; /* Immediate status returned in case of error */
3082 };
3083 
3084 /**
3085  * SET_CONFIG Request Command Payload
3086  */
3087 struct set_config_request_cmd_payload {
3088 	uint8_t instance; /* DPIA instance */
3089 	uint8_t immed_status; /* Immediate status returned in case of error */
3090 	uint8_t msg_type; /* set config message type */
3091 	uint8_t reserved;
3092 	uint32_t msg_data; /* set config message data */
3093 };
3094 
3095 /**
3096  * DMUB command structure for SET_CONFIG command.
3097  */
3098 struct dmub_rb_cmd_set_config_access {
3099 	struct dmub_cmd_header header; /* header */
3100 	struct dmub_cmd_set_config_control_data set_config_control; /* set config data */
3101 };
3102 
3103 /**
3104  * DMUB command structure for SET_CONFIG request command.
3105  */
3106 struct dmub_rb_cmd_set_config_request {
3107 	struct dmub_cmd_header header; /* header */
3108 	struct set_config_request_cmd_payload payload; /* set config request payload */
3109 };
3110 
3111 /**
3112  * Data passed from driver to FW in a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
3113  */
3114 struct dmub_cmd_mst_alloc_slots_control_data {
3115 	uint8_t mst_alloc_slots; /* mst slots to be allotted */
3116 	uint8_t instance; /* DPIA instance */
3117 	uint8_t immed_status; /* Immediate status returned as there is no outbox msg posted */
3118 	uint8_t mst_slots_in_use; /* returns slots in use for error cases */
3119 };
3120 
3121 /**
3122  * DMUB command structure for SET_ command.
3123  */
3124 struct dmub_rb_cmd_set_mst_alloc_slots {
3125 	struct dmub_cmd_header header; /* header */
3126 	struct dmub_cmd_mst_alloc_slots_control_data mst_slots_control; /* mst slots control */
3127 };
3128 
3129 /**
3130  * Data passed from driver to FW in a DMUB_CMD__SET_TPS_NOTIFICATION command.
3131  */
3132 struct dmub_cmd_tps_notification_data {
3133 	uint8_t instance; /* DPIA instance */
3134 	uint8_t tps; /* requested training pattern */
3135 	uint8_t reserved1;
3136 	uint8_t reserved2;
3137 };
3138 
3139 /**
3140  * DMUB command structure for SET_TPS_NOTIFICATION command.
3141  */
3142 struct dmub_rb_cmd_set_tps_notification {
3143 	struct dmub_cmd_header header; /* header */
3144 	struct dmub_cmd_tps_notification_data tps_notification; /* set tps_notification data */
3145 };
3146 
3147 /**
3148  * DMUB command structure for DPIA HPD int enable control.
3149  */
3150 struct dmub_rb_cmd_dpia_hpd_int_enable {
3151 	struct dmub_cmd_header header; /* header */
3152 	uint32_t enable; /* dpia hpd interrupt enable */
3153 };
3154 
3155 /**
3156  * struct dmub_rb_cmd_dpphy_init - DPPHY init.
3157  */
3158 struct dmub_rb_cmd_dpphy_init {
3159 	struct dmub_cmd_header header; /**< header */
3160 	uint8_t reserved[60]; /**< reserved bits */
3161 };
3162 
3163 /**
3164  * enum dp_aux_request_action - DP AUX request command listing.
3165  *
3166  * 4 AUX request command bits are shifted to high nibble.
3167  */
3168 enum dp_aux_request_action {
3169 	/** I2C-over-AUX write request */
3170 	DP_AUX_REQ_ACTION_I2C_WRITE		= 0x00,
3171 	/** I2C-over-AUX read request */
3172 	DP_AUX_REQ_ACTION_I2C_READ		= 0x10,
3173 	/** I2C-over-AUX write status request */
3174 	DP_AUX_REQ_ACTION_I2C_STATUS_REQ	= 0x20,
3175 	/** I2C-over-AUX write request with MOT=1 */
3176 	DP_AUX_REQ_ACTION_I2C_WRITE_MOT		= 0x40,
3177 	/** I2C-over-AUX read request with MOT=1 */
3178 	DP_AUX_REQ_ACTION_I2C_READ_MOT		= 0x50,
3179 	/** I2C-over-AUX write status request with MOT=1 */
3180 	DP_AUX_REQ_ACTION_I2C_STATUS_REQ_MOT	= 0x60,
3181 	/** Native AUX write request */
3182 	DP_AUX_REQ_ACTION_DPCD_WRITE		= 0x80,
3183 	/** Native AUX read request */
3184 	DP_AUX_REQ_ACTION_DPCD_READ		= 0x90
3185 };
3186 
3187 /**
3188  * enum aux_return_code_type - DP AUX process return code listing.
3189  */
3190 enum aux_return_code_type {
3191 	/** AUX process succeeded */
3192 	AUX_RET_SUCCESS = 0,
3193 	/** AUX process failed with unknown reason */
3194 	AUX_RET_ERROR_UNKNOWN,
3195 	/** AUX process completed with invalid reply */
3196 	AUX_RET_ERROR_INVALID_REPLY,
3197 	/** AUX process timed out */
3198 	AUX_RET_ERROR_TIMEOUT,
3199 	/** HPD was low during AUX process */
3200 	AUX_RET_ERROR_HPD_DISCON,
3201 	/** Failed to acquire AUX engine */
3202 	AUX_RET_ERROR_ENGINE_ACQUIRE,
3203 	/** AUX request not supported */
3204 	AUX_RET_ERROR_INVALID_OPERATION,
3205 	/** AUX process not available */
3206 	AUX_RET_ERROR_PROTOCOL_ERROR,
3207 };
3208 
3209 /**
3210  * enum aux_channel_type - DP AUX channel type listing.
3211  */
3212 enum aux_channel_type {
3213 	/** AUX thru Legacy DP AUX */
3214 	AUX_CHANNEL_LEGACY_DDC,
3215 	/** AUX thru DPIA DP tunneling */
3216 	AUX_CHANNEL_DPIA
3217 };
3218 
3219 /**
3220  * struct aux_transaction_parameters - DP AUX request transaction data
3221  */
3222 struct aux_transaction_parameters {
3223 	uint8_t is_i2c_over_aux; /**< 0=native AUX, 1=I2C-over-AUX */
3224 	uint8_t action; /**< enum dp_aux_request_action */
3225 	uint8_t length; /**< DP AUX request data length */
3226 	uint8_t reserved; /**< For future use */
3227 	uint32_t address; /**< DP AUX address */
3228 	uint8_t data[16]; /**< DP AUX write data */
3229 };
3230 
3231 /**
3232  * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
3233  */
3234 struct dmub_cmd_dp_aux_control_data {
3235 	uint8_t instance; /**< AUX instance or DPIA instance */
3236 	uint8_t manual_acq_rel_enable; /**< manual control for acquiring or releasing AUX channel */
3237 	uint8_t sw_crc_enabled; /**< Use software CRC for tunneling packet instead of hardware CRC */
3238 	uint8_t reserved0; /**< For future use */
3239 	uint16_t timeout; /**< timeout time in us */
3240 	uint16_t reserved1; /**< For future use */
3241 	enum aux_channel_type type; /**< enum aux_channel_type */
3242 	struct aux_transaction_parameters dpaux; /**< struct aux_transaction_parameters */
3243 };
3244 
3245 /**
3246  * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
3247  */
3248 struct dmub_rb_cmd_dp_aux_access {
3249 	/**
3250 	 * Command header.
3251 	 */
3252 	struct dmub_cmd_header header;
3253 	/**
3254 	 * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
3255 	 */
3256 	struct dmub_cmd_dp_aux_control_data aux_control;
3257 };
3258 
3259 /**
3260  * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
3261  */
3262 struct dmub_rb_cmd_outbox1_enable {
3263 	/**
3264 	 * Command header.
3265 	 */
3266 	struct dmub_cmd_header header;
3267 	/**
3268 	 *  enable: 0x0 -> disable outbox1 notification (default value)
3269 	 *			0x1 -> enable outbox1 notification
3270 	 */
3271 	uint32_t enable;
3272 };
3273 
3274 /* DP AUX Reply command - OutBox Cmd */
3275 /**
3276  * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
3277  */
3278 struct aux_reply_data {
3279 	/**
3280 	 * Aux cmd
3281 	 */
3282 	uint8_t command;
3283 	/**
3284 	 * Aux reply data length (max: 16 bytes)
3285 	 */
3286 	uint8_t length;
3287 	/**
3288 	 * Alignment only
3289 	 */
3290 	uint8_t pad[2];
3291 	/**
3292 	 * Aux reply data
3293 	 */
3294 	uint8_t data[16];
3295 };
3296 
3297 /**
3298  * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
3299  */
3300 struct aux_reply_control_data {
3301 	/**
3302 	 * Reserved for future use
3303 	 */
3304 	uint32_t handle;
3305 	/**
3306 	 * Aux Instance
3307 	 */
3308 	uint8_t instance;
3309 	/**
3310 	 * Aux transaction result: definition in enum aux_return_code_type
3311 	 */
3312 	uint8_t result;
3313 	/**
3314 	 * Alignment only
3315 	 */
3316 	uint16_t pad;
3317 };
3318 
3319 /**
3320  * Definition of a DMUB_OUT_CMD__DP_AUX_REPLY command.
3321  */
3322 struct dmub_rb_cmd_dp_aux_reply {
3323 	/**
3324 	 * Command header.
3325 	 */
3326 	struct dmub_cmd_header header;
3327 	/**
3328 	 * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
3329 	 */
3330 	struct aux_reply_control_data control;
3331 	/**
3332 	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
3333 	 */
3334 	struct aux_reply_data reply_data;
3335 };
3336 
3337 /* DP HPD Notify command - OutBox Cmd */
3338 /**
3339  * DP HPD Type
3340  */
3341 enum dp_hpd_type {
3342 	/**
3343 	 * Normal DP HPD
3344 	 */
3345 	DP_HPD = 0,
3346 	/**
3347 	 * DP HPD short pulse
3348 	 */
3349 	DP_IRQ = 1,
3350 	/**
3351 	 * Failure to acquire DP HPD state
3352 	 */
3353 	DP_NONE_HPD = 2
3354 };
3355 
3356 /**
3357  * DP HPD Status
3358  */
3359 enum dp_hpd_status {
3360 	/**
3361 	 * DP_HPD status low
3362 	 */
3363 	DP_HPD_UNPLUG = 0,
3364 	/**
3365 	 * DP_HPD status high
3366 	 */
3367 	DP_HPD_PLUG
3368 };
3369 
3370 /**
3371  * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
3372  */
3373 struct dp_hpd_data {
3374 	/**
3375 	 * DP HPD instance
3376 	 */
3377 	uint8_t instance;
3378 	/**
3379 	 * HPD type
3380 	 */
3381 	uint8_t hpd_type;
3382 	/**
3383 	 * HPD status: only for type: DP_HPD to indicate status
3384 	 */
3385 	uint8_t hpd_status;
3386 	/**
3387 	 * Alignment only
3388 	 */
3389 	uint8_t pad;
3390 };
3391 
3392 /**
3393  * Definition of a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
3394  */
3395 struct dmub_rb_cmd_dp_hpd_notify {
3396 	/**
3397 	 * Command header.
3398 	 */
3399 	struct dmub_cmd_header header;
3400 	/**
3401 	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
3402 	 */
3403 	struct dp_hpd_data hpd_data;
3404 };
3405 
3406 /**
3407  * Definition of a SET_CONFIG reply from DPOA.
3408  */
3409 enum set_config_status {
3410 	SET_CONFIG_PENDING = 0,
3411 	SET_CONFIG_ACK_RECEIVED,
3412 	SET_CONFIG_RX_TIMEOUT,
3413 	SET_CONFIG_UNKNOWN_ERROR,
3414 };
3415 
3416 /**
3417  * Definition of a set_config reply
3418  */
3419 struct set_config_reply_control_data {
3420 	uint8_t instance; /* DPIA Instance */
3421 	uint8_t status; /* Set Config reply */
3422 	uint16_t pad; /* Alignment */
3423 };
3424 
3425 /**
3426  * Definition of a DMUB_OUT_CMD__SET_CONFIG_REPLY command.
3427  */
3428 struct dmub_rb_cmd_dp_set_config_reply {
3429 	struct dmub_cmd_header header;
3430 	struct set_config_reply_control_data set_config_reply_control;
3431 };
3432 
3433 /**
3434  * Definition of a DPIA notification header
3435  */
3436 struct dpia_notification_header {
3437 	uint8_t instance; /**< DPIA Instance */
3438 	uint8_t reserved[3];
3439 	enum dmub_cmd_dpia_notification_type type; /**< DPIA notification type */
3440 };
3441 
3442 /**
3443  * Definition of the common data struct of DPIA notification
3444  */
3445 struct dpia_notification_common {
3446 	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)
3447 								- sizeof(struct dpia_notification_header)];
3448 };
3449 
3450 /**
3451  * Definition of a DPIA notification data
3452  */
3453 struct dpia_bw_allocation_notify_data {
3454 	union {
3455 		struct {
3456 			uint16_t cm_bw_alloc_support: 1; /**< USB4 CM BW Allocation mode support */
3457 			uint16_t bw_request_failed: 1; /**< BW_Request_Failed */
3458 			uint16_t bw_request_succeeded: 1; /**< BW_Request_Succeeded */
3459 			uint16_t est_bw_changed: 1; /**< Estimated_BW changed */
3460 			uint16_t bw_alloc_cap_changed: 1; /**< BW_Allocation_Capabiity_Changed */
3461 			uint16_t reserved: 11; /**< Reserved */
3462 		} bits;
3463 
3464 		uint16_t flags;
3465 	};
3466 
3467 	uint8_t cm_id; /**< CM ID */
3468 	uint8_t group_id; /**< Group ID */
3469 	uint8_t granularity; /**< BW Allocation Granularity */
3470 	uint8_t estimated_bw; /**< Estimated_BW */
3471 	uint8_t allocated_bw; /**< Allocated_BW */
3472 	uint8_t reserved;
3473 };
3474 
3475 /**
3476  * union dpia_notify_data_type - DPIA Notification in Outbox command
3477  */
3478 union dpia_notification_data {
3479 	/**
3480 	 * DPIA Notification for common data struct
3481 	 */
3482 	struct dpia_notification_common common_data;
3483 
3484 	/**
3485 	 * DPIA Notification for DP BW Allocation support
3486 	 */
3487 	struct dpia_bw_allocation_notify_data dpia_bw_alloc;
3488 };
3489 
3490 /**
3491  * Definition of a DPIA notification payload
3492  */
3493 struct dpia_notification_payload {
3494 	struct dpia_notification_header header;
3495 	union dpia_notification_data data; /**< DPIA notification payload data */
3496 };
3497 
3498 /**
3499  * Definition of a DMUB_OUT_CMD__DPIA_NOTIFICATION command.
3500  */
3501 struct dmub_rb_cmd_dpia_notification {
3502 	struct dmub_cmd_header header; /**< DPIA notification header */
3503 	struct dpia_notification_payload payload; /**< DPIA notification payload */
3504 };
3505 
3506 /**
3507  * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
3508  */
3509 struct dmub_cmd_hpd_state_query_data {
3510 	uint8_t instance; /**< HPD instance or DPIA instance */
3511 	uint8_t result; /**< For returning HPD state */
3512 	uint16_t pad; /** < Alignment */
3513 	enum aux_channel_type ch_type; /**< enum aux_channel_type */
3514 	enum aux_return_code_type status; /**< for returning the status of command */
3515 };
3516 
3517 /**
3518  * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
3519  */
3520 struct dmub_rb_cmd_query_hpd_state {
3521 	/**
3522 	 * Command header.
3523 	 */
3524 	struct dmub_cmd_header header;
3525 	/**
3526 	 * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
3527 	 */
3528 	struct dmub_cmd_hpd_state_query_data data;
3529 };
3530 
3531 /**
3532  * struct dmub_rb_cmd_hpd_sense_notify - HPD sense notification data.
3533  */
3534 struct dmub_rb_cmd_hpd_sense_notify_data {
3535 	uint32_t old_hpd_sense_mask; /**< Old HPD sense mask */
3536 	uint32_t new_hpd_sense_mask; /**< New HPD sense mask */
3537 };
3538 
3539 /**
3540  * struct dmub_rb_cmd_hpd_sense_notify - DMUB_OUT_CMD__HPD_SENSE_NOTIFY command.
3541  */
3542 struct dmub_rb_cmd_hpd_sense_notify {
3543 	struct dmub_cmd_header header; /**< header */
3544 	struct dmub_rb_cmd_hpd_sense_notify_data data; /**< payload */
3545 };
3546 
3547 /*
3548  * Command IDs should be treated as stable ABI.
3549  * Do not reuse or modify IDs.
3550  */
3551 
3552 /**
3553  * PSR command sub-types.
3554  */
3555 enum dmub_cmd_psr_type {
3556 	/**
3557 	 * Set PSR version support.
3558 	 */
3559 	DMUB_CMD__PSR_SET_VERSION		= 0,
3560 	/**
3561 	 * Copy driver-calculated parameters to PSR state.
3562 	 */
3563 	DMUB_CMD__PSR_COPY_SETTINGS		= 1,
3564 	/**
3565 	 * Enable PSR.
3566 	 */
3567 	DMUB_CMD__PSR_ENABLE			= 2,
3568 
3569 	/**
3570 	 * Disable PSR.
3571 	 */
3572 	DMUB_CMD__PSR_DISABLE			= 3,
3573 
3574 	/**
3575 	 * Set PSR level.
3576 	 * PSR level is a 16-bit value dicated by driver that
3577 	 * will enable/disable different functionality.
3578 	 */
3579 	DMUB_CMD__PSR_SET_LEVEL			= 4,
3580 
3581 	/**
3582 	 * Forces PSR enabled until an explicit PSR disable call.
3583 	 */
3584 	DMUB_CMD__PSR_FORCE_STATIC		= 5,
3585 	/**
3586 	 * Set vtotal in psr active for FreeSync PSR.
3587 	 */
3588 	DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE = 6,
3589 	/**
3590 	 * Set PSR power option
3591 	 */
3592 	DMUB_CMD__SET_PSR_POWER_OPT = 7,
3593 };
3594 
3595 /**
3596  * Different PSR residency modes.
3597  * Different modes change the definition of PSR residency.
3598  */
3599 enum psr_residency_mode {
3600 	PSR_RESIDENCY_MODE_PHY = 0,
3601 	PSR_RESIDENCY_MODE_ALPM,
3602 	PSR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
3603 	/* Do not add below. */
3604 	PSR_RESIDENCY_MODE_LAST_ELEMENT,
3605 };
3606 
3607 enum dmub_cmd_fams_type {
3608 	DMUB_CMD__FAMS_SETUP_FW_CTRL	= 0,
3609 	DMUB_CMD__FAMS_DRR_UPDATE		= 1,
3610 	DMUB_CMD__HANDLE_SUBVP_CMD	= 2, // specifically for SubVP cmd
3611 	/**
3612 	 * For SubVP set manual trigger in FW because it
3613 	 * triggers DRR_UPDATE_PENDING which SubVP relies
3614 	 * on (for any SubVP cases that use a DRR display)
3615 	 */
3616 	DMUB_CMD__FAMS_SET_MANUAL_TRIGGER = 3,
3617 	DMUB_CMD__FAMS2_CONFIG = 4,
3618 	DMUB_CMD__FAMS2_DRR_UPDATE = 5,
3619 	DMUB_CMD__FAMS2_FLIP = 6,
3620 	DMUB_CMD__FAMS2_IB_CONFIG = 7,
3621 	DMUB_CMD__FAMS2_IB_DEBUG_META = 8,
3622 };
3623 
3624 /**
3625  * PSR versions.
3626  */
3627 enum psr_version {
3628 	/**
3629 	 * PSR version 1.
3630 	 */
3631 	PSR_VERSION_1				= 0,
3632 	/**
3633 	 * Freesync PSR SU.
3634 	 */
3635 	PSR_VERSION_SU_1			= 1,
3636 	/**
3637 	 * PSR not supported.
3638 	 */
3639 	PSR_VERSION_UNSUPPORTED			= 0xFF,	// psr_version field is only 8 bits wide
3640 };
3641 
3642 /**
3643  * PHY Link rate for DP.
3644  */
3645 enum phy_link_rate {
3646 	/**
3647 	 * not supported.
3648 	 */
3649 	PHY_RATE_UNKNOWN = 0,
3650 	/**
3651 	 * Rate_1 (RBR)	- 1.62 Gbps/Lane
3652 	 */
3653 	PHY_RATE_162 = 1,
3654 	/**
3655 	 * Rate_2		- 2.16 Gbps/Lane
3656 	 */
3657 	PHY_RATE_216 = 2,
3658 	/**
3659 	 * Rate_3		- 2.43 Gbps/Lane
3660 	 */
3661 	PHY_RATE_243 = 3,
3662 	/**
3663 	 * Rate_4 (HBR)	- 2.70 Gbps/Lane
3664 	 */
3665 	PHY_RATE_270 = 4,
3666 	/**
3667 	 * Rate_5 (RBR2)- 3.24 Gbps/Lane
3668 	 */
3669 	PHY_RATE_324 = 5,
3670 	/**
3671 	 * Rate_6		- 4.32 Gbps/Lane
3672 	 */
3673 	PHY_RATE_432 = 6,
3674 	/**
3675 	 * Rate_7 (HBR2)- 5.40 Gbps/Lane
3676 	 */
3677 	PHY_RATE_540 = 7,
3678 	/**
3679 	 * Rate_8 (HBR3)- 8.10 Gbps/Lane
3680 	 */
3681 	PHY_RATE_810 = 8,
3682 	/**
3683 	 * UHBR10 - 10.0 Gbps/Lane
3684 	 */
3685 	PHY_RATE_1000 = 9,
3686 	/**
3687 	 * UHBR13.5 - 13.5 Gbps/Lane
3688 	 */
3689 	PHY_RATE_1350 = 10,
3690 	/**
3691 	 * UHBR10 - 20.0 Gbps/Lane
3692 	 */
3693 	PHY_RATE_2000 = 11,
3694 
3695 	PHY_RATE_675 = 12,
3696 	/**
3697 	 * Rate 12 - 6.75 Gbps/Lane
3698 	 */
3699 };
3700 
3701 /**
3702  * enum dmub_phy_fsm_state - PHY FSM states.
3703  * PHY FSM state to transit to during PSR enable/disable.
3704  */
3705 enum dmub_phy_fsm_state {
3706 	DMUB_PHY_FSM_POWER_UP_DEFAULT = 0,
3707 	DMUB_PHY_FSM_RESET,
3708 	DMUB_PHY_FSM_RESET_RELEASED,
3709 	DMUB_PHY_FSM_SRAM_LOAD_DONE,
3710 	DMUB_PHY_FSM_INITIALIZED,
3711 	DMUB_PHY_FSM_CALIBRATED,
3712 	DMUB_PHY_FSM_CALIBRATED_LP,
3713 	DMUB_PHY_FSM_CALIBRATED_PG,
3714 	DMUB_PHY_FSM_POWER_DOWN,
3715 	DMUB_PHY_FSM_PLL_EN,
3716 	DMUB_PHY_FSM_TX_EN,
3717 	DMUB_PHY_FSM_TX_EN_TEST_MODE,
3718 	DMUB_PHY_FSM_FAST_LP,
3719 	DMUB_PHY_FSM_P2_PLL_OFF_CPM,
3720 	DMUB_PHY_FSM_P2_PLL_OFF_PG,
3721 	DMUB_PHY_FSM_P2_PLL_OFF,
3722 	DMUB_PHY_FSM_P2_PLL_ON,
3723 };
3724 
3725 /**
3726  * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
3727  */
3728 struct dmub_cmd_psr_copy_settings_data {
3729 	/**
3730 	 * Flags that can be set by driver to change some PSR behaviour.
3731 	 */
3732 	union dmub_psr_debug_flags debug;
3733 	/**
3734 	 * 16-bit value dicated by driver that will enable/disable different functionality.
3735 	 */
3736 	uint16_t psr_level;
3737 	/**
3738 	 * DPP HW instance.
3739 	 */
3740 	uint8_t dpp_inst;
3741 	/**
3742 	 * MPCC HW instance.
3743 	 * Not used in dmub fw,
3744 	 * dmub fw will get active opp by reading odm registers.
3745 	 */
3746 	uint8_t mpcc_inst;
3747 	/**
3748 	 * OPP HW instance.
3749 	 * Not used in dmub fw,
3750 	 * dmub fw will get active opp by reading odm registers.
3751 	 */
3752 	uint8_t opp_inst;
3753 	/**
3754 	 * OTG HW instance.
3755 	 */
3756 	uint8_t otg_inst;
3757 	/**
3758 	 * DIG FE HW instance.
3759 	 */
3760 	uint8_t digfe_inst;
3761 	/**
3762 	 * DIG BE HW instance.
3763 	 */
3764 	uint8_t digbe_inst;
3765 	/**
3766 	 * DP PHY HW instance.
3767 	 */
3768 	uint8_t dpphy_inst;
3769 	/**
3770 	 * AUX HW instance.
3771 	 */
3772 	uint8_t aux_inst;
3773 	/**
3774 	 * Determines if SMU optimzations are enabled/disabled.
3775 	 */
3776 	uint8_t smu_optimizations_en;
3777 	/**
3778 	 * Unused.
3779 	 * TODO: Remove.
3780 	 */
3781 	uint8_t frame_delay;
3782 	/**
3783 	 * If RFB setup time is greater than the total VBLANK time,
3784 	 * it is not possible for the sink to capture the video frame
3785 	 * in the same frame the SDP is sent. In this case,
3786 	 * the frame capture indication bit should be set and an extra
3787 	 * static frame should be transmitted to the sink.
3788 	 */
3789 	uint8_t frame_cap_ind;
3790 	/**
3791 	 * Granularity of Y offset supported by sink.
3792 	 */
3793 	uint8_t su_y_granularity;
3794 	/**
3795 	 * Indicates whether sink should start capturing
3796 	 * immediately following active scan line,
3797 	 * or starting with the 2nd active scan line.
3798 	 */
3799 	uint8_t line_capture_indication;
3800 	/**
3801 	 * Multi-display optimizations are implemented on certain ASICs.
3802 	 */
3803 	uint8_t multi_disp_optimizations_en;
3804 	/**
3805 	 * The last possible line SDP may be transmitted without violating
3806 	 * the RFB setup time or entering the active video frame.
3807 	 */
3808 	uint16_t init_sdp_deadline;
3809 	/**
3810 	 * @ rate_control_caps : Indicate FreeSync PSR Sink Capabilities
3811 	 */
3812 	uint8_t rate_control_caps;
3813 	/*
3814 	 * Force PSRSU always doing full frame update
3815 	 */
3816 	uint8_t force_ffu_mode;
3817 	/**
3818 	 * Length of each horizontal line in us.
3819 	 */
3820 	uint32_t line_time_in_us;
3821 	/**
3822 	 * FEC enable status in driver
3823 	 */
3824 	uint8_t fec_enable_status;
3825 	/**
3826 	 * FEC re-enable delay when PSR exit.
3827 	 * unit is 100us, range form 0~255(0xFF).
3828 	 */
3829 	uint8_t fec_enable_delay_in100us;
3830 	/**
3831 	 * PSR control version.
3832 	 */
3833 	uint8_t cmd_version;
3834 	/**
3835 	 * Panel Instance.
3836 	 * Panel instance to identify which psr_state to use
3837 	 * Currently the support is only for 0 or 1
3838 	 */
3839 	uint8_t panel_inst;
3840 	/*
3841 	 * DSC enable status in driver
3842 	 */
3843 	uint8_t dsc_enable_status;
3844 	/*
3845 	 * Use FSM state for PSR power up/down
3846 	 */
3847 	uint8_t use_phy_fsm;
3848 	/**
3849 	 * frame delay for frame re-lock
3850 	 */
3851 	uint8_t relock_delay_frame_cnt;
3852 	/**
3853 	 * esd recovery indicate.
3854 	 */
3855 	uint8_t esd_recovery;
3856 	/**
3857 	 * DSC Slice height.
3858 	 */
3859 	uint16_t dsc_slice_height;
3860 	/**
3861 	 * Some panels request main link off before xth vertical line
3862 	 */
3863 	uint16_t poweroff_before_vertical_line;
3864 	/**
3865 	 * Some panels cannot handle idle pattern during PSR entry.
3866 	 * To power down phy before disable stream to avoid sending
3867 	 * idle pattern.
3868 	 */
3869 	uint8_t power_down_phy_before_disable_stream;
3870 };
3871 
3872 /**
3873  * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
3874  */
3875 struct dmub_rb_cmd_psr_copy_settings {
3876 	/**
3877 	 * Command header.
3878 	 */
3879 	struct dmub_cmd_header header;
3880 	/**
3881 	 * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
3882 	 */
3883 	struct dmub_cmd_psr_copy_settings_data psr_copy_settings_data;
3884 };
3885 
3886 /**
3887  * Data passed from driver to FW in a DMUB_CMD__PSR_SET_LEVEL command.
3888  */
3889 struct dmub_cmd_psr_set_level_data {
3890 	/**
3891 	 * 16-bit value dicated by driver that will enable/disable different functionality.
3892 	 */
3893 	uint16_t psr_level;
3894 	/**
3895 	 * PSR control version.
3896 	 */
3897 	uint8_t cmd_version;
3898 	/**
3899 	 * Panel Instance.
3900 	 * Panel instance to identify which psr_state to use
3901 	 * Currently the support is only for 0 or 1
3902 	 */
3903 	uint8_t panel_inst;
3904 };
3905 
3906 /**
3907  * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
3908  */
3909 struct dmub_rb_cmd_psr_set_level {
3910 	/**
3911 	 * Command header.
3912 	 */
3913 	struct dmub_cmd_header header;
3914 	/**
3915 	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
3916 	 */
3917 	struct dmub_cmd_psr_set_level_data psr_set_level_data;
3918 };
3919 
3920 struct dmub_rb_cmd_psr_enable_data {
3921 	/**
3922 	 * PSR control version.
3923 	 */
3924 	uint8_t cmd_version;
3925 	/**
3926 	 * Panel Instance.
3927 	 * Panel instance to identify which psr_state to use
3928 	 * Currently the support is only for 0 or 1
3929 	 */
3930 	uint8_t panel_inst;
3931 	/**
3932 	 * Phy state to enter.
3933 	 * Values to use are defined in dmub_phy_fsm_state
3934 	 */
3935 	uint8_t phy_fsm_state;
3936 	/**
3937 	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
3938 	 * Set this using enum phy_link_rate.
3939 	 * This does not support HDMI/DP2 for now.
3940 	 */
3941 	uint8_t phy_rate;
3942 };
3943 
3944 /**
3945  * Definition of a DMUB_CMD__PSR_ENABLE command.
3946  * PSR enable/disable is controlled using the sub_type.
3947  */
3948 struct dmub_rb_cmd_psr_enable {
3949 	/**
3950 	 * Command header.
3951 	 */
3952 	struct dmub_cmd_header header;
3953 
3954 	struct dmub_rb_cmd_psr_enable_data data;
3955 };
3956 
3957 /**
3958  * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
3959  */
3960 struct dmub_cmd_psr_set_version_data {
3961 	/**
3962 	 * PSR version that FW should implement.
3963 	 */
3964 	enum psr_version version;
3965 	/**
3966 	 * PSR control version.
3967 	 */
3968 	uint8_t cmd_version;
3969 	/**
3970 	 * Panel Instance.
3971 	 * Panel instance to identify which psr_state to use
3972 	 * Currently the support is only for 0 or 1
3973 	 */
3974 	uint8_t panel_inst;
3975 	/**
3976 	 * Explicit padding to 4 byte boundary.
3977 	 */
3978 	uint8_t pad[2];
3979 };
3980 
3981 /**
3982  * Definition of a DMUB_CMD__PSR_SET_VERSION command.
3983  */
3984 struct dmub_rb_cmd_psr_set_version {
3985 	/**
3986 	 * Command header.
3987 	 */
3988 	struct dmub_cmd_header header;
3989 	/**
3990 	 * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
3991 	 */
3992 	struct dmub_cmd_psr_set_version_data psr_set_version_data;
3993 };
3994 
3995 struct dmub_cmd_psr_force_static_data {
3996 	/**
3997 	 * PSR control version.
3998 	 */
3999 	uint8_t cmd_version;
4000 	/**
4001 	 * Panel Instance.
4002 	 * Panel instance to identify which psr_state to use
4003 	 * Currently the support is only for 0 or 1
4004 	 */
4005 	uint8_t panel_inst;
4006 	/**
4007 	 * Explicit padding to 4 byte boundary.
4008 	 */
4009 	uint8_t pad[2];
4010 };
4011 
4012 /**
4013  * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
4014  */
4015 struct dmub_rb_cmd_psr_force_static {
4016 	/**
4017 	 * Command header.
4018 	 */
4019 	struct dmub_cmd_header header;
4020 	/**
4021 	 * Data passed from driver to FW in a DMUB_CMD__PSR_FORCE_STATIC command.
4022 	 */
4023 	struct dmub_cmd_psr_force_static_data psr_force_static_data;
4024 };
4025 
4026 /**
4027  * PSR SU debug flags.
4028  */
4029 union dmub_psr_su_debug_flags {
4030 	/**
4031 	 * PSR SU debug flags.
4032 	 */
4033 	struct {
4034 		/**
4035 		 * Update dirty rect in SW only.
4036 		 */
4037 		uint8_t update_dirty_rect_only : 1;
4038 		/**
4039 		 * Reset the cursor/plane state before processing the call.
4040 		 */
4041 		uint8_t reset_state : 1;
4042 	} bitfields;
4043 
4044 	/**
4045 	 * Union for debug flags.
4046 	 */
4047 	uint32_t u32All;
4048 };
4049 
4050 /**
4051  * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
4052  * This triggers a selective update for PSR SU.
4053  */
4054 struct dmub_cmd_update_dirty_rect_data {
4055 	/**
4056 	 * Dirty rects from OS.
4057 	 */
4058 	struct dmub_rect src_dirty_rects[DMUB_MAX_DIRTY_RECTS];
4059 	/**
4060 	 * PSR SU debug flags.
4061 	 */
4062 	union dmub_psr_su_debug_flags debug_flags;
4063 	/**
4064 	 * Pipe index.
4065 	 */
4066 	uint8_t pipe_idx;
4067 	/**
4068 	 * Number of dirty rects.
4069 	 */
4070 	uint8_t dirty_rect_count;
4071 	/**
4072 	 * dirty rects cmd version.
4073 	 */
4074 	uint8_t cmd_version;
4075 	/**
4076 	 * Panel Instance.
4077 	 * Panel instance to identify which psr_state to use
4078 	 * Currently the support is only for 0 or 1
4079 	 */
4080 	uint8_t panel_inst;
4081 	/**
4082 	 * OTG HW instance
4083 	 */
4084 	uint8_t otg_inst;
4085 	/**
4086 	 * Padding for 4 byte alignment
4087 	 */
4088 	uint8_t padding[3];
4089 };
4090 
4091 /**
4092  * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
4093  */
4094 struct dmub_rb_cmd_update_dirty_rect {
4095 	/**
4096 	 * Command header.
4097 	 */
4098 	struct dmub_cmd_header header;
4099 	/**
4100 	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
4101 	 */
4102 	struct dmub_cmd_update_dirty_rect_data update_dirty_rect_data;
4103 };
4104 
4105 /**
4106  * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
4107  */
4108 union dmub_reg_cursor_control_cfg {
4109 	struct {
4110 		uint32_t     cur_enable: 1;
4111 		uint32_t         reser0: 3;
4112 		uint32_t cur_2x_magnify: 1;
4113 		uint32_t         reser1: 3;
4114 		uint32_t           mode: 3;
4115 		uint32_t         reser2: 5;
4116 		uint32_t          pitch: 2;
4117 		uint32_t         reser3: 6;
4118 		uint32_t line_per_chunk: 5;
4119 		uint32_t         reser4: 3;
4120 	} bits;
4121 	uint32_t raw;
4122 };
4123 struct dmub_cursor_position_cache_hubp {
4124 	union dmub_reg_cursor_control_cfg cur_ctl;
4125 	union dmub_reg_position_cfg {
4126 		struct {
4127 			uint32_t cur_x_pos: 16;
4128 			uint32_t cur_y_pos: 16;
4129 		} bits;
4130 		uint32_t raw;
4131 	} position;
4132 	union dmub_reg_hot_spot_cfg {
4133 		struct {
4134 			uint32_t hot_x: 16;
4135 			uint32_t hot_y: 16;
4136 		} bits;
4137 		uint32_t raw;
4138 	} hot_spot;
4139 	union dmub_reg_dst_offset_cfg {
4140 		struct {
4141 			uint32_t dst_x_offset: 13;
4142 			uint32_t reserved: 19;
4143 		} bits;
4144 		uint32_t raw;
4145 	} dst_offset;
4146 };
4147 
4148 union dmub_reg_cur0_control_cfg {
4149 	struct {
4150 		uint32_t     cur0_enable: 1;
4151 		uint32_t  expansion_mode: 1;
4152 		uint32_t          reser0: 1;
4153 		uint32_t     cur0_rom_en: 1;
4154 		uint32_t            mode: 3;
4155 		uint32_t        reserved: 25;
4156 	} bits;
4157 	uint32_t raw;
4158 };
4159 struct dmub_cursor_position_cache_dpp {
4160 	union dmub_reg_cur0_control_cfg cur0_ctl;
4161 };
4162 struct dmub_cursor_position_cfg {
4163 	struct  dmub_cursor_position_cache_hubp pHubp;
4164 	struct  dmub_cursor_position_cache_dpp  pDpp;
4165 	uint8_t pipe_idx;
4166 	/*
4167 	 * Padding is required. To be 4 Bytes Aligned.
4168 	 */
4169 	uint8_t padding[3];
4170 };
4171 
4172 struct dmub_cursor_attribute_cache_hubp {
4173 	uint32_t SURFACE_ADDR_HIGH;
4174 	uint32_t SURFACE_ADDR;
4175 	union    dmub_reg_cursor_control_cfg  cur_ctl;
4176 	union    dmub_reg_cursor_size_cfg {
4177 		struct {
4178 			uint32_t width: 16;
4179 			uint32_t height: 16;
4180 		} bits;
4181 		uint32_t raw;
4182 	} size;
4183 	union    dmub_reg_cursor_settings_cfg {
4184 		struct {
4185 			uint32_t     dst_y_offset: 8;
4186 			uint32_t chunk_hdl_adjust: 2;
4187 			uint32_t         reserved: 22;
4188 		} bits;
4189 		uint32_t raw;
4190 	} settings;
4191 };
4192 struct dmub_cursor_attribute_cache_dpp {
4193 	union dmub_reg_cur0_control_cfg cur0_ctl;
4194 };
4195 struct dmub_cursor_attributes_cfg {
4196 	struct  dmub_cursor_attribute_cache_hubp aHubp;
4197 	struct  dmub_cursor_attribute_cache_dpp  aDpp;
4198 };
4199 
4200 struct dmub_cmd_update_cursor_payload0 {
4201 	/**
4202 	 * Cursor dirty rects.
4203 	 */
4204 	struct dmub_rect cursor_rect;
4205 	/**
4206 	 * PSR SU debug flags.
4207 	 */
4208 	union dmub_psr_su_debug_flags debug_flags;
4209 	/**
4210 	 * Cursor enable/disable.
4211 	 */
4212 	uint8_t enable;
4213 	/**
4214 	 * Pipe index.
4215 	 */
4216 	uint8_t pipe_idx;
4217 	/**
4218 	 * Cursor update cmd version.
4219 	 */
4220 	uint8_t cmd_version;
4221 	/**
4222 	 * Panel Instance.
4223 	 * Panel instance to identify which psr_state to use
4224 	 * Currently the support is only for 0 or 1
4225 	 */
4226 	uint8_t panel_inst;
4227 	/**
4228 	 * Cursor Position Register.
4229 	 * Registers contains Hubp & Dpp modules
4230 	 */
4231 	struct dmub_cursor_position_cfg position_cfg;
4232 	/**
4233 	 * OTG HW instance
4234 	 */
4235 	uint8_t otg_inst;
4236 	/**
4237 	 * Padding for 4 byte alignment
4238 	 */
4239 	uint8_t padding[3];
4240 };
4241 
4242 struct dmub_cmd_update_cursor_payload1 {
4243 	struct dmub_cursor_attributes_cfg attribute_cfg;
4244 };
4245 
4246 union dmub_cmd_update_cursor_info_data {
4247 	struct dmub_cmd_update_cursor_payload0 payload0;
4248 	struct dmub_cmd_update_cursor_payload1 payload1;
4249 };
4250 /**
4251  * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
4252  */
4253 struct dmub_rb_cmd_update_cursor_info {
4254 	/**
4255 	 * Command header.
4256 	 */
4257 	struct dmub_cmd_header header;
4258 	/**
4259 	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
4260 	 */
4261 	union dmub_cmd_update_cursor_info_data update_cursor_info_data;
4262 };
4263 
4264 /**
4265  * Data passed from driver to FW in a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
4266  */
4267 struct dmub_cmd_psr_set_vtotal_data {
4268 	/**
4269 	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when screen idle..
4270 	 */
4271 	uint16_t psr_vtotal_idle;
4272 	/**
4273 	 * PSR control version.
4274 	 */
4275 	uint8_t cmd_version;
4276 	/**
4277 	 * Panel Instance.
4278 	 * Panel instance to identify which psr_state to use
4279 	 * Currently the support is only for 0 or 1
4280 	 */
4281 	uint8_t panel_inst;
4282 	/*
4283 	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when doing SU/FFU.
4284 	 */
4285 	uint16_t psr_vtotal_su;
4286 	/**
4287 	 * Explicit padding to 4 byte boundary.
4288 	 */
4289 	uint8_t pad2[2];
4290 };
4291 
4292 /**
4293  * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
4294  */
4295 struct dmub_rb_cmd_psr_set_vtotal {
4296 	/**
4297 	 * Command header.
4298 	 */
4299 	struct dmub_cmd_header header;
4300 	/**
4301 	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
4302 	 */
4303 	struct dmub_cmd_psr_set_vtotal_data psr_set_vtotal_data;
4304 };
4305 
4306 /**
4307  * Data passed from driver to FW in a DMUB_CMD__SET_PSR_POWER_OPT command.
4308  */
4309 struct dmub_cmd_psr_set_power_opt_data {
4310 	/**
4311 	 * PSR control version.
4312 	 */
4313 	uint8_t cmd_version;
4314 	/**
4315 	 * Panel Instance.
4316 	 * Panel instance to identify which psr_state to use
4317 	 * Currently the support is only for 0 or 1
4318 	 */
4319 	uint8_t panel_inst;
4320 	/**
4321 	 * Explicit padding to 4 byte boundary.
4322 	 */
4323 	uint8_t pad[2];
4324 	/**
4325 	 * PSR power option
4326 	 */
4327 	uint32_t power_opt;
4328 };
4329 
4330 /**
4331  * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
4332  */
4333 struct dmub_rb_cmd_psr_set_power_opt {
4334 	/**
4335 	 * Command header.
4336 	 */
4337 	struct dmub_cmd_header header;
4338 	/**
4339 	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
4340 	 */
4341 	struct dmub_cmd_psr_set_power_opt_data psr_set_power_opt_data;
4342 };
4343 
4344 enum dmub_alpm_mode {
4345 	ALPM_AUXWAKE = 0,
4346 	ALPM_AUXLESS = 1,
4347 	ALPM_UNSUPPORTED = 2,
4348 };
4349 
4350 /**
4351  * Definition of Replay Residency GPINT command.
4352  * Bit[0] - Residency mode for Revision 0
4353  * Bit[1] - Enable/Disable state
4354  * Bit[2-3] - Revision number
4355  * Bit[4-7] - Residency mode for Revision 1
4356  * Bit[8] - Panel instance
4357  * Bit[9-15] - Reserved
4358  */
4359 
4360 enum pr_residency_mode {
4361 	PR_RESIDENCY_MODE_PHY = 0x0,
4362 	PR_RESIDENCY_MODE_ALPM,
4363 	PR_RESIDENCY_MODE_IPS2,
4364 	PR_RESIDENCY_MODE_FRAME_CNT,
4365 	PR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
4366 };
4367 
4368 #define REPLAY_RESIDENCY_MODE_SHIFT            (0)
4369 #define REPLAY_RESIDENCY_ENABLE_SHIFT          (1)
4370 #define REPLAY_RESIDENCY_REVISION_SHIFT        (2)
4371 #define REPLAY_RESIDENCY_MODE2_SHIFT           (4)
4372 
4373 #define REPLAY_RESIDENCY_MODE_MASK             (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
4374 # define REPLAY_RESIDENCY_FIELD_MODE_PHY       (0x0 << REPLAY_RESIDENCY_MODE_SHIFT)
4375 # define REPLAY_RESIDENCY_FIELD_MODE_ALPM      (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
4376 
4377 #define REPLAY_RESIDENCY_MODE2_MASK            (0xF << REPLAY_RESIDENCY_MODE2_SHIFT)
4378 # define REPLAY_RESIDENCY_FIELD_MODE2_IPS      (0x1 << REPLAY_RESIDENCY_MODE2_SHIFT)
4379 # define REPLAY_RESIDENCY_FIELD_MODE2_FRAME_CNT    (0x2 << REPLAY_RESIDENCY_MODE2_SHIFT)
4380 # define REPLAY_RESIDENCY_FIELD_MODE2_EN_PERIOD	(0x3 << REPLAY_RESIDENCY_MODE2_SHIFT)
4381 
4382 #define REPLAY_RESIDENCY_ENABLE_MASK           (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
4383 # define REPLAY_RESIDENCY_DISABLE              (0x0 << REPLAY_RESIDENCY_ENABLE_SHIFT)
4384 # define REPLAY_RESIDENCY_ENABLE               (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
4385 
4386 #define REPLAY_RESIDENCY_REVISION_MASK         (0x3 << REPLAY_RESIDENCY_REVISION_SHIFT)
4387 # define REPLAY_RESIDENCY_REVISION_0           (0x0 << REPLAY_RESIDENCY_REVISION_SHIFT)
4388 # define REPLAY_RESIDENCY_REVISION_1           (0x1 << REPLAY_RESIDENCY_REVISION_SHIFT)
4389 
4390 /**
4391  * Definition of a replay_state.
4392  */
4393 enum replay_state {
4394 	REPLAY_STATE_0			= 0x0,
4395 	REPLAY_STATE_1			= 0x10,
4396 	REPLAY_STATE_1A			= 0x11,
4397 	REPLAY_STATE_2			= 0x20,
4398 	REPLAY_STATE_2A			= 0x21,
4399 	REPLAY_STATE_3			= 0x30,
4400 	REPLAY_STATE_3INIT		= 0x31,
4401 	REPLAY_STATE_4			= 0x40,
4402 	REPLAY_STATE_4A			= 0x41,
4403 	REPLAY_STATE_4B			= 0x42,
4404 	REPLAY_STATE_4C			= 0x43,
4405 	REPLAY_STATE_4D			= 0x44,
4406 	REPLAY_STATE_4E			= 0x45,
4407 	REPLAY_STATE_4B_LOCKED		= 0x4A,
4408 	REPLAY_STATE_4C_UNLOCKED	= 0x4B,
4409 	REPLAY_STATE_5			= 0x50,
4410 	REPLAY_STATE_5A			= 0x51,
4411 	REPLAY_STATE_5B			= 0x52,
4412 	REPLAY_STATE_5A_LOCKED		= 0x5A,
4413 	REPLAY_STATE_5B_UNLOCKED	= 0x5B,
4414 	REPLAY_STATE_6			= 0x60,
4415 	REPLAY_STATE_6A			= 0x61,
4416 	REPLAY_STATE_6B			= 0x62,
4417 	REPLAY_STATE_INVALID		= 0xFF,
4418 };
4419 
4420 /**
4421  * Definition of a panel replay state
4422  */
4423 enum pr_state {
4424 	PR_STATE_0									= 0x00, // State 0 steady state
4425 	// Pending SDP and Unlock before back to State 0
4426 	PR_STATE_0_PENDING_SDP_AND_UNLOCK			= 0x01,
4427 	PR_STATE_1									= 0x10, // State 1
4428 	PR_STATE_2									= 0x20, // State 2 steady state
4429 	// Pending frame transmission before transition to State 2
4430 	PR_STATE_2_PENDING_FRAME_TRANSMISSION		= 0x30,
4431 	// Active and Powered Up
4432 	PR_STATE_2_POWERED							= 0x31,
4433 	// Active and Powered Down, but need to blank HUBP after DPG_EN latch
4434 	PR_STATE_2_PENDING_HUBP_BLANK				= 0x32,
4435 	// Active and Pending Power Up
4436 	PR_STATE_2_PENDING_POWER_UP					= 0x33,
4437 	// Active and Powered Up, Pending DPG latch
4438 	PR_STATE_2_PENDING_LOCK	= 0x34,
4439 	// Active and Powered Up, Pending SDP and Unlock
4440 	PR_STATE_2_PENDING_SDP_AND_UNLOCK			= 0x35,
4441 	// Pending transmission of AS SDP for timing sync, but no rfb update
4442 	PR_STATE_2_PENDING_AS_SDP					= 0x36,
4443 	// Invalid
4444 	PR_STATE_INVALID							= 0xFF,
4445 };
4446 
4447 /**
4448  * Replay command sub-types.
4449  */
4450 enum dmub_cmd_replay_type {
4451 	/**
4452 	 * Copy driver-calculated parameters to REPLAY state.
4453 	 */
4454 	DMUB_CMD__REPLAY_COPY_SETTINGS		= 0,
4455 	/**
4456 	 * Enable REPLAY.
4457 	 */
4458 	DMUB_CMD__REPLAY_ENABLE			= 1,
4459 	/**
4460 	 * Set Replay power option.
4461 	 */
4462 	DMUB_CMD__SET_REPLAY_POWER_OPT		= 2,
4463 	/**
4464 	 * Set coasting vtotal.
4465 	 */
4466 	DMUB_CMD__REPLAY_SET_COASTING_VTOTAL	= 3,
4467 	/**
4468 	 * Set power opt and coasting vtotal.
4469 	 */
4470 	DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL	= 4,
4471 	/**
4472 	 * Set disabled iiming sync.
4473 	 */
4474 	DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED	= 5,
4475 	/**
4476 	 * Set Residency Frameupdate Timer.
4477 	 */
4478 	DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER = 6,
4479 	/**
4480 	 * Set pseudo vtotal
4481 	 */
4482 	DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL = 7,
4483 	/**
4484 	 * Set adaptive sync sdp enabled
4485 	 */
4486 	DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP = 8,
4487 	/**
4488 	 * Set Replay General command.
4489 	 */
4490 	DMUB_CMD__REPLAY_SET_GENERAL_CMD = 16,
4491 };
4492 
4493 /*
4494  * Panel Replay sub-types
4495  */
4496 enum dmub_cmd_panel_replay_type {
4497 	DMUB_CMD__PR_ENABLE = 0,
4498 	DMUB_CMD__PR_COPY_SETTINGS = 1,
4499 	DMUB_CMD__PR_UPDATE_STATE = 2,
4500 	DMUB_CMD__PR_GENERAL_CMD = 3,
4501 };
4502 
4503 enum dmub_cmd_panel_replay_state_update_subtype {
4504 	PR_STATE_UPDATE_COASTING_VTOTAL = 0x1,
4505 	PR_STATE_UPDATE_SYNC_MODE = 0x2,
4506 	PR_STATE_UPDATE_RUNTIME_FLAGS = 0x3,
4507 	PR_STATE_UPDATE_PSEUDO_VTOTAL = 0x4,
4508 };
4509 
4510 enum dmub_cmd_panel_replay_general_subtype {
4511 	PR_GENERAL_CMD_DEBUG_OPTION = 0x1,
4512 };
4513 
4514 /**
4515  * Replay general command sub-types.
4516  */
4517 enum dmub_cmd_replay_general_subtype {
4518 	REPLAY_GENERAL_CMD_NOT_SUPPORTED = -1,
4519 	/**
4520 	 * TODO: For backward compatible, allow new command only.
4521 	 * REPLAY_GENERAL_CMD_SET_TIMING_SYNC_SUPPORTED,
4522 	 * REPLAY_GENERAL_CMD_SET_RESIDENCY_FRAMEUPDATE_TIMER,
4523 	 * REPLAY_GENERAL_CMD_SET_PSEUDO_VTOTAL,
4524 	 */
4525 	REPLAY_GENERAL_CMD_DISABLED_ADAPTIVE_SYNC_SDP,
4526 	REPLAY_GENERAL_CMD_DISABLED_DESYNC_ERROR_DETECTION,
4527 	REPLAY_GENERAL_CMD_UPDATE_ERROR_STATUS,
4528 	REPLAY_GENERAL_CMD_SET_LOW_RR_ACTIVATE,
4529 	REPLAY_GENERAL_CMD_VIDEO_CONFERENCING,
4530 	REPLAY_GENERAL_CMD_SET_CONTINUOUSLY_RESYNC,
4531 	REPLAY_GENERAL_CMD_SET_COASTING_VTOTAL_WITHOUT_FRAME_UPDATE,
4532 	REPLAY_GENERAL_CMD_LIVE_CAPTURE_WITH_CVT,
4533 };
4534 
4535 struct dmub_alpm_auxless_data {
4536 	uint16_t lfps_setup_ns;
4537 	uint16_t lfps_period_ns;
4538 	uint16_t lfps_silence_ns;
4539 	uint16_t lfps_t1_t2_override_us;
4540 	short lfps_t1_t2_offset_us;
4541 	uint8_t lttpr_count;
4542 	/*
4543 	 * Padding to align structure to 4 byte boundary.
4544 	 */
4545 	uint8_t pad[1];
4546 };
4547 
4548 /**
4549  * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
4550  */
4551 struct dmub_cmd_replay_copy_settings_data {
4552 	/**
4553 	 * Flags that can be set by driver to change some replay behaviour.
4554 	 */
4555 	union replay_debug_flags debug;
4556 
4557 	/**
4558 	 * @flags: Flags used to determine feature functionality.
4559 	 */
4560 	union replay_hw_flags flags;
4561 
4562 	/**
4563 	 * DPP HW instance.
4564 	 */
4565 	uint8_t dpp_inst;
4566 	/**
4567 	 * OTG HW instance.
4568 	 */
4569 	uint8_t otg_inst;
4570 	/**
4571 	 * DIG FE HW instance.
4572 	 */
4573 	uint8_t digfe_inst;
4574 	/**
4575 	 * DIG BE HW instance.
4576 	 */
4577 	uint8_t digbe_inst;
4578 	/**
4579 	 * AUX HW instance.
4580 	 */
4581 	uint8_t aux_inst;
4582 	/**
4583 	 * Panel Instance.
4584 	 * Panel isntance to identify which psr_state to use
4585 	 * Currently the support is only for 0 or 1
4586 	 */
4587 	uint8_t panel_inst;
4588 	/**
4589 	 * @pixel_deviation_per_line: Indicate the maximum pixel deviation per line compare
4590 	 * to Source timing when Sink maintains coasting vtotal during the Replay normal sleep mode
4591 	 */
4592 	uint8_t pixel_deviation_per_line;
4593 	/**
4594 	 * @max_deviation_line: The max number of deviation line that can keep the timing
4595 	 * synchronized between the Source and Sink during Replay normal sleep mode.
4596 	 */
4597 	uint8_t max_deviation_line;
4598 	/**
4599 	 * Length of each horizontal line in ns.
4600 	 */
4601 	uint32_t line_time_in_ns;
4602 	/**
4603 	 * PHY instance.
4604 	 */
4605 	uint8_t dpphy_inst;
4606 	/**
4607 	 * Determines if SMU optimzations are enabled/disabled.
4608 	 */
4609 	uint8_t smu_optimizations_en;
4610 	/**
4611 	 * Determines if timing sync are enabled/disabled.
4612 	 */
4613 	uint8_t replay_timing_sync_supported;
4614 	/*
4615 	 * Use FSM state for Replay power up/down
4616 	 */
4617 	uint8_t use_phy_fsm;
4618 	/**
4619 	 * Use for AUX-less ALPM LFPS wake operation
4620 	 */
4621 	struct dmub_alpm_auxless_data auxless_alpm_data;
4622 	/**
4623 	 * @hpo_stream_enc_inst: HPO stream encoder instance
4624 	 */
4625 	uint8_t hpo_stream_enc_inst;
4626 	/**
4627 	 * @hpo_link_enc_inst: HPO link encoder instance
4628 	 */
4629 	uint8_t hpo_link_enc_inst;
4630 	/**
4631 	 * Determines if fast resync in ultra sleep mode is enabled/disabled.
4632 	 */
4633 	uint8_t replay_support_fast_resync_in_ultra_sleep_mode;
4634 	/**
4635 	 * @pad: Align structure to 4 byte boundary.
4636 	 */
4637 	uint8_t pad[1];
4638 };
4639 
4640 
4641 /**
4642  * Replay versions.
4643  */
4644 enum replay_version {
4645 	/**
4646 	 * FreeSync Replay
4647 	 */
4648 	REPLAY_VERSION_FREESYNC_REPLAY	= 0,
4649 	/**
4650 	 * Panel Replay
4651 	 */
4652 	REPLAY_VERSION_PANEL_REPLAY		= 1,
4653 	/**
4654 	 * Replay not supported.
4655 	 */
4656 	REPLAY_VERSION_UNSUPPORTED		= 0xFF,
4657 };
4658 
4659 /**
4660  * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
4661  */
4662 struct dmub_rb_cmd_replay_copy_settings {
4663 	/**
4664 	 * Command header.
4665 	 */
4666 	struct dmub_cmd_header header;
4667 	/**
4668 	 * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
4669 	 */
4670 	struct dmub_cmd_replay_copy_settings_data replay_copy_settings_data;
4671 };
4672 
4673 /**
4674  * Replay disable / enable state for dmub_rb_cmd_replay_enable_data.enable
4675  */
4676 enum replay_enable {
4677 	/**
4678 	 * Disable REPLAY.
4679 	 */
4680 	REPLAY_DISABLE				= 0,
4681 	/**
4682 	 * Enable REPLAY.
4683 	 */
4684 	REPLAY_ENABLE				= 1,
4685 };
4686 
4687 /**
4688  * Data passed from driver to FW in a DMUB_CMD__SMART_POWER_OLED_ENABLE command.
4689  */
4690 struct dmub_rb_cmd_smart_power_oled_enable_data {
4691 	/**
4692 	 * SMART_POWER_OLED enable or disable.
4693 	 */
4694 	uint8_t enable;
4695 	/**
4696 	 * Panel Instance.
4697 	 * Panel isntance to identify which replay_state to use
4698 	 * Currently the support is only for 0 or 1
4699 	 */
4700 	uint8_t panel_inst;
4701 
4702 	uint16_t peak_nits;
4703 	/**
4704 	 * OTG HW instance.
4705 	 */
4706 	uint8_t otg_inst;
4707 	/**
4708 	 * DIG FE HW instance.
4709 	 */
4710 	uint8_t digfe_inst;
4711 	/**
4712 	 * DIG BE HW instance.
4713 	 */
4714 	uint8_t digbe_inst;
4715 	uint8_t debugcontrol;
4716 	/*
4717 	 * vertical interrupt trigger line
4718 	 */
4719 	uint32_t triggerline;
4720 
4721 	uint16_t fixed_max_cll;
4722 
4723 	uint8_t pad[2];
4724 };
4725 
4726 /**
4727  * Data passed from driver to FW in a DMUB_CMD__REPLAY_ENABLE command.
4728  */
4729 struct dmub_rb_cmd_replay_enable_data {
4730 	/**
4731 	 * Replay enable or disable.
4732 	 */
4733 	uint8_t enable;
4734 	/**
4735 	 * Panel Instance.
4736 	 * Panel isntance to identify which replay_state to use
4737 	 * Currently the support is only for 0 or 1
4738 	 */
4739 	uint8_t panel_inst;
4740 	/**
4741 	 * Phy state to enter.
4742 	 * Values to use are defined in dmub_phy_fsm_state
4743 	 */
4744 	uint8_t phy_fsm_state;
4745 	/**
4746 	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
4747 	 * Set this using enum phy_link_rate.
4748 	 * This does not support HDMI/DP2 for now.
4749 	 */
4750 	uint8_t phy_rate;
4751 	/**
4752 	 * @hpo_stream_enc_inst: HPO stream encoder instance
4753 	 */
4754 	uint8_t hpo_stream_enc_inst;
4755 	/**
4756 	 * @hpo_link_enc_inst: HPO link encoder instance
4757 	 */
4758 	uint8_t hpo_link_enc_inst;
4759 	/**
4760 	 * @pad: Align structure to 4 byte boundary.
4761 	 */
4762 	uint8_t pad[2];
4763 };
4764 
4765 /**
4766  * Definition of a DMUB_CMD__REPLAY_ENABLE command.
4767  * Replay enable/disable is controlled using action in data.
4768  */
4769 struct dmub_rb_cmd_replay_enable {
4770 	/**
4771 	 * Command header.
4772 	 */
4773 	struct dmub_cmd_header header;
4774 
4775 	struct dmub_rb_cmd_replay_enable_data data;
4776 };
4777 
4778 /**
4779  * Data passed from driver to FW in a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4780  */
4781 struct dmub_cmd_replay_set_power_opt_data {
4782 	/**
4783 	 * Panel Instance.
4784 	 * Panel isntance to identify which replay_state to use
4785 	 * Currently the support is only for 0 or 1
4786 	 */
4787 	uint8_t panel_inst;
4788 	/**
4789 	 * Explicit padding to 4 byte boundary.
4790 	 */
4791 	uint8_t pad[3];
4792 	/**
4793 	 * REPLAY power option
4794 	 */
4795 	uint32_t power_opt;
4796 };
4797 
4798 /**
4799  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
4800  */
4801 struct dmub_cmd_replay_set_timing_sync_data {
4802 	/**
4803 	 * Panel Instance.
4804 	 * Panel isntance to identify which replay_state to use
4805 	 * Currently the support is only for 0 or 1
4806 	 */
4807 	uint8_t panel_inst;
4808 	/**
4809 	 * REPLAY set_timing_sync
4810 	 */
4811 	uint8_t timing_sync_supported;
4812 	/**
4813 	 * Explicit padding to 4 byte boundary.
4814 	 */
4815 	uint8_t pad[2];
4816 };
4817 
4818 /**
4819  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
4820  */
4821 struct dmub_cmd_replay_set_pseudo_vtotal {
4822 	/**
4823 	 * Panel Instance.
4824 	 * Panel isntance to identify which replay_state to use
4825 	 * Currently the support is only for 0 or 1
4826 	 */
4827 	uint8_t panel_inst;
4828 	/**
4829 	 * Source Vtotal that Replay + IPS + ABM full screen video src vtotal
4830 	 */
4831 	uint16_t vtotal;
4832 	/**
4833 	 * Explicit padding to 4 byte boundary.
4834 	 */
4835 	uint8_t pad;
4836 };
4837 struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data {
4838 	/**
4839 	 * Panel Instance.
4840 	 * Panel isntance to identify which replay_state to use
4841 	 * Currently the support is only for 0 or 1
4842 	 */
4843 	uint8_t panel_inst;
4844 	/**
4845 	 * enabled: set adaptive sync sdp enabled
4846 	 */
4847 	uint8_t force_disabled;
4848 
4849 	uint8_t pad[2];
4850 };
4851 struct dmub_cmd_replay_set_general_cmd_data {
4852 	/**
4853 	 * Panel Instance.
4854 	 * Panel isntance to identify which replay_state to use
4855 	 * Currently the support is only for 0 or 1
4856 	 */
4857 	uint8_t panel_inst;
4858 	/**
4859 	 * subtype: replay general cmd sub type
4860 	 */
4861 	uint8_t subtype;
4862 
4863 	uint8_t pad[2];
4864 	/**
4865 	 * config data with param1 and param2
4866 	 */
4867 	uint32_t param1;
4868 
4869 	uint32_t param2;
4870 };
4871 
4872 /**
4873  * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4874  */
4875 struct dmub_rb_cmd_replay_set_power_opt {
4876 	/**
4877 	 * Command header.
4878 	 */
4879 	struct dmub_cmd_header header;
4880 	/**
4881 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4882 	 */
4883 	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
4884 };
4885 
4886 /**
4887  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4888  */
4889 struct dmub_cmd_replay_set_coasting_vtotal_data {
4890 	/**
4891 	 * 16-bit value dicated by driver that indicates the coasting vtotal.
4892 	 */
4893 	uint16_t coasting_vtotal;
4894 	/**
4895 	 * REPLAY control version.
4896 	 */
4897 	uint8_t cmd_version;
4898 	/**
4899 	 * Panel Instance.
4900 	 * Panel isntance to identify which replay_state to use
4901 	 * Currently the support is only for 0 or 1
4902 	 */
4903 	uint8_t panel_inst;
4904 	/**
4905 	 * 16-bit value dicated by driver that indicates the coasting vtotal high byte part.
4906 	 */
4907 	uint16_t coasting_vtotal_high;
4908 	/**
4909 	 * frame skip number.
4910 	 */
4911 	uint16_t frame_skip_number;
4912 };
4913 
4914 /**
4915  * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4916  */
4917 struct dmub_rb_cmd_replay_set_coasting_vtotal {
4918 	/**
4919 	 * Command header.
4920 	 */
4921 	struct dmub_cmd_header header;
4922 	/**
4923 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4924 	 */
4925 	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
4926 };
4927 
4928 /**
4929  * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
4930  */
4931 struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal {
4932 	/**
4933 	 * Command header.
4934 	 */
4935 	struct dmub_cmd_header header;
4936 	/**
4937 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4938 	 */
4939 	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
4940 	/**
4941 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4942 	 */
4943 	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
4944 };
4945 
4946 /**
4947  * Definition of a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
4948  */
4949 struct dmub_rb_cmd_replay_set_timing_sync {
4950 	/**
4951 	 * Command header.
4952 	 */
4953 	struct dmub_cmd_header header;
4954 	/**
4955 	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
4956 	 */
4957 	struct dmub_cmd_replay_set_timing_sync_data replay_set_timing_sync_data;
4958 };
4959 
4960 /**
4961  * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
4962  */
4963 struct dmub_rb_cmd_replay_set_pseudo_vtotal {
4964 	/**
4965 	 * Command header.
4966 	 */
4967 	struct dmub_cmd_header header;
4968 	/**
4969 	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
4970 	 */
4971 	struct dmub_cmd_replay_set_pseudo_vtotal data;
4972 };
4973 
4974 /**
4975  * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
4976  */
4977 struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp {
4978 	/**
4979 	 * Command header.
4980 	 */
4981 	struct dmub_cmd_header header;
4982 	/**
4983 	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
4984 	 */
4985 	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data data;
4986 };
4987 
4988 /**
4989  * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
4990  */
4991 struct dmub_rb_cmd_replay_set_general_cmd {
4992 	/**
4993 	 * Command header.
4994 	 */
4995 	struct dmub_cmd_header header;
4996 	/**
4997 	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
4998 	 */
4999 	struct dmub_cmd_replay_set_general_cmd_data data;
5000 };
5001 
5002 /**
5003  * Data passed from driver to FW in  DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
5004  */
5005 struct dmub_cmd_replay_frameupdate_timer_data {
5006 	/**
5007 	 * Panel Instance.
5008 	 * Panel isntance to identify which replay_state to use
5009 	 * Currently the support is only for 0 or 1
5010 	 */
5011 	uint8_t panel_inst;
5012 	/**
5013 	 * Replay Frameupdate Timer Enable or not
5014 	 */
5015 	uint8_t enable;
5016 	/**
5017 	 * REPLAY force reflash frame update number
5018 	 */
5019 	uint16_t frameupdate_count;
5020 };
5021 /**
5022  * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER
5023  */
5024 struct dmub_rb_cmd_replay_set_frameupdate_timer {
5025 	/**
5026 	 * Command header.
5027 	 */
5028 	struct dmub_cmd_header header;
5029 	/**
5030 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
5031 	 */
5032 	struct dmub_cmd_replay_frameupdate_timer_data data;
5033 };
5034 
5035 /**
5036  * Definition union of replay command set
5037  */
5038 union dmub_replay_cmd_set {
5039 	/**
5040 	 * Panel Instance.
5041 	 * Panel isntance to identify which replay_state to use
5042 	 * Currently the support is only for 0 or 1
5043 	 */
5044 	uint8_t panel_inst;
5045 	/**
5046 	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command data.
5047 	 */
5048 	struct dmub_cmd_replay_set_timing_sync_data sync_data;
5049 	/**
5050 	 * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command data.
5051 	 */
5052 	struct dmub_cmd_replay_frameupdate_timer_data timer_data;
5053 	/**
5054 	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command data.
5055 	 */
5056 	struct dmub_cmd_replay_set_pseudo_vtotal pseudo_vtotal_data;
5057 	/**
5058 	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command data.
5059 	 */
5060 	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data disabled_adaptive_sync_sdp_data;
5061 	/**
5062 	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command data.
5063 	 */
5064 	struct dmub_cmd_replay_set_general_cmd_data set_general_cmd_data;
5065 };
5066 
5067 /**
5068  * IHC command sub-types.
5069  */
5070 enum dmub_cmd_ihc_type {
5071 	/**
5072 	 * Set DIG HDCP interrupt destination.
5073 	 */
5074 	DMUB_CMD__IHC_SET_DIG_HDCP_INTERRUPT_DEST = 0,
5075 };
5076 
5077 /**
5078  * Data passed from driver to FW in a DMUB_CMD__IHC command.
5079  */
5080 struct dmub_cmd_ihc_data {
5081 	/**
5082 	 * DIG engine ID (0-3).
5083 	 */
5084 	uint8_t dig_id;
5085 	/**
5086 	 * 1 = route to DMU, 0 = route to CPU.
5087 	 */
5088 	uint8_t to_dmu : 1;
5089 	/**
5090 	 * Reserved bits.
5091 	 */
5092 	uint8_t reserved : 7;
5093 	/**
5094 	 * Padding.
5095 	 */
5096 	uint8_t pad[2];
5097 };
5098 
5099 /**
5100  * Definition of a DMUB_CMD__IHC command.
5101  */
5102 struct dmub_rb_cmd_ihc {
5103 	/**
5104 	 * Command header.
5105 	 */
5106 	struct dmub_cmd_header header;
5107 	/**
5108 	 * IHC command data.
5109 	 */
5110 	struct dmub_cmd_ihc_data data;
5111 };
5112 
5113 /**
5114  * SMART POWER OLED command sub-types.
5115  */
5116 enum dmub_cmd_smart_power_oled_type {
5117 
5118 	/**
5119 	 * Enable/Disable SMART_POWER_OLED.
5120 	 */
5121 	DMUB_CMD__SMART_POWER_OLED_ENABLE = 1,
5122 	/**
5123 	 * Get current MaxCLL value if SMART POWER OLED is enabled.
5124 	 */
5125 	DMUB_CMD__SMART_POWER_OLED_GETMAXCLL = 2,
5126 };
5127 
5128 /**
5129  * Definition of a DMUB_CMD__SMART_POWER_OLED command.
5130  */
5131 struct dmub_rb_cmd_smart_power_oled_enable {
5132 	/**
5133 	 * Command header.
5134 	 */
5135 	struct dmub_cmd_header header;
5136 
5137 	struct dmub_rb_cmd_smart_power_oled_enable_data data;
5138 };
5139 
5140 struct dmub_cmd_smart_power_oled_getmaxcll_input {
5141 	uint8_t panel_inst;
5142 	uint8_t pad[3];
5143 };
5144 
5145 struct dmub_cmd_smart_power_oled_getmaxcll_output {
5146 	uint16_t current_max_cll;
5147 	uint8_t pad[2];
5148 };
5149 
5150 /**
5151  * Definition of a DMUB_CMD__SMART_POWER_OLED command.
5152  */
5153 struct dmub_rb_cmd_smart_power_oled_getmaxcll {
5154 	struct dmub_cmd_header header; /**< Command header */
5155 	/**
5156 	 * Data passed from driver to FW in a DMUB_CMD__SMART_POWER_OLED_GETMAXCLL command.
5157 	 */
5158 	union dmub_cmd_smart_power_oled_getmaxcll_data {
5159 		struct dmub_cmd_smart_power_oled_getmaxcll_input input; /**< Input */
5160 		struct dmub_cmd_smart_power_oled_getmaxcll_output output; /**< Output */
5161 		uint32_t output_raw; /**< Raw data output */
5162 	} data;
5163 };
5164 
5165 /**
5166  * Set of HW components that can be locked.
5167  *
5168  * Note: If updating with more HW components, fields
5169  * in dmub_inbox0_cmd_lock_hw must be updated to match.
5170  */
5171 union dmub_hw_lock_flags {
5172 	/**
5173 	 * Set of HW components that can be locked.
5174 	 */
5175 	struct {
5176 		/**
5177 		 * Lock/unlock OTG master update lock.
5178 		 */
5179 		uint8_t lock_pipe   : 1;
5180 		/**
5181 		 * Lock/unlock cursor.
5182 		 */
5183 		uint8_t lock_cursor : 1;
5184 		/**
5185 		 * Lock/unlock global update lock.
5186 		 */
5187 		uint8_t lock_dig    : 1;
5188 		/**
5189 		 * Triple buffer lock requires additional hw programming to usual OTG master lock.
5190 		 */
5191 		uint8_t triple_buffer_lock : 1;
5192 	} bits;
5193 
5194 	/**
5195 	 * Union for HW Lock flags.
5196 	 */
5197 	uint8_t u8All;
5198 };
5199 
5200 /**
5201  * Instances of HW to be locked.
5202  *
5203  * Note: If updating with more HW components, fields
5204  * in dmub_inbox0_cmd_lock_hw must be updated to match.
5205  */
5206 struct dmub_hw_lock_inst_flags {
5207 	/**
5208 	 * OTG HW instance for OTG master update lock.
5209 	 */
5210 	uint8_t otg_inst;
5211 	/**
5212 	 * OPP instance for cursor lock.
5213 	 */
5214 	uint8_t opp_inst;
5215 	/**
5216 	 * OTG HW instance for global update lock.
5217 	 * TODO: Remove, and re-use otg_inst.
5218 	 */
5219 	uint8_t dig_inst;
5220 	/**
5221 	 * Explicit pad to 4 byte boundary.
5222 	 */
5223 	uint8_t pad;
5224 };
5225 
5226 /**
5227  * Clients that can acquire the HW Lock Manager.
5228  *
5229  * Note: If updating with more clients, fields in
5230  * dmub_inbox0_cmd_lock_hw must be updated to match.
5231  */
5232 enum hw_lock_client {
5233 	/**
5234 	 * Driver is the client of HW Lock Manager.
5235 	 */
5236 	HW_LOCK_CLIENT_DRIVER = 0,
5237 	/**
5238 	 * PSR SU is the client of HW Lock Manager.
5239 	 */
5240 	HW_LOCK_CLIENT_PSR_SU		= 1,
5241 	HW_LOCK_CLIENT_SUBVP = 3,
5242 	/**
5243 	 * Replay is the client of HW Lock Manager.
5244 	 */
5245 	HW_LOCK_CLIENT_REPLAY		= 4,
5246 	HW_LOCK_CLIENT_FAMS2 = 5,
5247 	HW_LOCK_CLIENT_CURSOR_OFFLOAD = 6,
5248 	/**
5249 	 * Invalid client.
5250 	 */
5251 	HW_LOCK_CLIENT_INVALID = 0xFFFFFFFF,
5252 };
5253 
5254 /**
5255  * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
5256  */
5257 struct dmub_cmd_lock_hw_data {
5258 	/**
5259 	 * Specifies the client accessing HW Lock Manager.
5260 	 */
5261 	enum hw_lock_client client;
5262 	/**
5263 	 * HW instances to be locked.
5264 	 */
5265 	struct dmub_hw_lock_inst_flags inst_flags;
5266 	/**
5267 	 * Which components to be locked.
5268 	 */
5269 	union dmub_hw_lock_flags hw_locks;
5270 	/**
5271 	 * Specifies lock/unlock.
5272 	 */
5273 	uint8_t lock;
5274 	/**
5275 	 * HW can be unlocked separately from releasing the HW Lock Mgr.
5276 	 * This flag is set if the client wishes to release the object.
5277 	 */
5278 	uint8_t should_release;
5279 	/**
5280 	 * Explicit padding to 4 byte boundary.
5281 	 */
5282 	uint8_t pad;
5283 };
5284 
5285 /**
5286  * Definition of a DMUB_CMD__HW_LOCK command.
5287  * Command is used by driver and FW.
5288  */
5289 struct dmub_rb_cmd_lock_hw {
5290 	/**
5291 	 * Command header.
5292 	 */
5293 	struct dmub_cmd_header header;
5294 	/**
5295 	 * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
5296 	 */
5297 	struct dmub_cmd_lock_hw_data lock_hw_data;
5298 };
5299 
5300 /**
5301  * ABM command sub-types.
5302  */
5303 enum dmub_cmd_abm_type {
5304 	/**
5305 	 * Initialize parameters for ABM algorithm.
5306 	 * Data is passed through an indirect buffer.
5307 	 */
5308 	DMUB_CMD__ABM_INIT_CONFIG	= 0,
5309 	/**
5310 	 * Set OTG and panel HW instance.
5311 	 */
5312 	DMUB_CMD__ABM_SET_PIPE		= 1,
5313 	/**
5314 	 * Set user requested backklight level.
5315 	 */
5316 	DMUB_CMD__ABM_SET_BACKLIGHT	= 2,
5317 	/**
5318 	 * Set ABM operating/aggression level.
5319 	 */
5320 	DMUB_CMD__ABM_SET_LEVEL		= 3,
5321 	/**
5322 	 * Set ambient light level.
5323 	 */
5324 	DMUB_CMD__ABM_SET_AMBIENT_LEVEL	= 4,
5325 	/**
5326 	 * Enable/disable fractional duty cycle for backlight PWM.
5327 	 */
5328 	DMUB_CMD__ABM_SET_PWM_FRAC	= 5,
5329 
5330 	/**
5331 	 * unregister vertical interrupt after steady state is reached
5332 	 */
5333 	DMUB_CMD__ABM_PAUSE	= 6,
5334 
5335 	/**
5336 	 * Save and Restore ABM state. On save we save parameters, and
5337 	 * on restore we update state with passed in data.
5338 	 */
5339 	DMUB_CMD__ABM_SAVE_RESTORE	= 7,
5340 
5341 	/**
5342 	 * Query ABM caps.
5343 	 */
5344 	DMUB_CMD__ABM_QUERY_CAPS	= 8,
5345 
5346 	/**
5347 	 * Set ABM Events
5348 	 */
5349 	DMUB_CMD__ABM_SET_EVENT	= 9,
5350 
5351 	/**
5352 	 * Get the current ACE curve.
5353 	 */
5354 	DMUB_CMD__ABM_GET_ACE_CURVE = 10,
5355 
5356 	/**
5357 	 * Get current histogram data
5358 	 */
5359 	DMUB_CMD__ABM_GET_HISTOGRAM_DATA = 11,
5360 };
5361 
5362 /**
5363  * LSDMA command sub-types.
5364  */
5365 enum dmub_cmd_lsdma_type {
5366 	/**
5367 	 * Initialize parameters for LSDMA.
5368 	 * Ring buffer is mapped to the ring buffer
5369 	 */
5370 	DMUB_CMD__LSDMA_INIT_CONFIG	= 0,
5371 	/**
5372 	 * LSDMA copies data from source to destination linearly
5373 	 */
5374 	DMUB_CMD__LSDMA_LINEAR_COPY = 1,
5375 	/**
5376 	* LSDMA copies data from source to destination linearly in sub window
5377 	*/
5378 	DMUB_CMD__LSDMA_LINEAR_SUB_WINDOW_COPY = 2,
5379 	/**
5380 	 * Send the tiled-to-tiled copy command
5381 	 */
5382 	DMUB_CMD__LSDMA_TILED_TO_TILED_COPY = 3,
5383 	/**
5384 	 * Send the poll reg write command
5385 	 */
5386 	DMUB_CMD__LSDMA_POLL_REG_WRITE = 4,
5387 	/**
5388 	 * Send the pio copy command
5389 	 */
5390 	DMUB_CMD__LSDMA_PIO_COPY = 5,
5391 	/**
5392 	 * Send the pio constfill command
5393 	 */
5394 	DMUB_CMD__LSDMA_PIO_CONSTFILL = 6,
5395 };
5396 
5397 struct abm_ace_curve {
5398 	/**
5399 	 * @offsets: ACE curve offsets.
5400 	 */
5401 	uint32_t offsets[ABM_MAX_NUM_OF_ACE_SEGMENTS];
5402 
5403 	/**
5404 	 * @thresholds: ACE curve thresholds.
5405 	 */
5406 	uint32_t thresholds[ABM_MAX_NUM_OF_ACE_SEGMENTS];
5407 
5408 	/**
5409 	 * @slopes: ACE curve slopes.
5410 	 */
5411 	uint32_t slopes[ABM_MAX_NUM_OF_ACE_SEGMENTS];
5412 };
5413 
5414 struct fixed_pt_format {
5415 	/**
5416 	 * @sign_bit: Indicates whether one bit is reserved for the sign.
5417 	 */
5418 	bool sign_bit;
5419 
5420 	/**
5421 	 * @num_int_bits: Number of bits used for integer part.
5422 	 */
5423 	uint8_t num_int_bits;
5424 
5425 	/**
5426 	 * @num_frac_bits: Number of bits used for fractional part.
5427 	 */
5428 	uint8_t num_frac_bits;
5429 
5430 	/**
5431 	 * @pad: Explicit padding to 4 byte boundary.
5432 	 */
5433 	uint8_t pad;
5434 };
5435 
5436 struct abm_caps {
5437 	/**
5438 	 * @num_hg_bins: Number of histogram bins.
5439 	 */
5440 	uint8_t num_hg_bins;
5441 
5442 	/**
5443 	 * @num_ace_segments: Number of ACE curve segments.
5444 	 */
5445 	uint8_t num_ace_segments;
5446 
5447 	/**
5448 	 * @pad: Explicit padding to 4 byte boundary.
5449 	 */
5450 	uint8_t pad[2];
5451 
5452 	/**
5453 	 * @ace_thresholds_format: Format of the ACE thresholds. If not programmable, it is set to 0.
5454 	 */
5455 	struct fixed_pt_format ace_thresholds_format;
5456 
5457 	/**
5458 	 * @ace_offsets_format: Format of the ACE offsets. If not programmable, it is set to 0.
5459 	 */
5460 	struct fixed_pt_format ace_offsets_format;
5461 
5462 	/**
5463 	 * @ace_slopes_format: Format of the ACE slopes.
5464 	 */
5465 	struct fixed_pt_format ace_slopes_format;
5466 };
5467 
5468 /**
5469  * Parameters for ABM2.4 algorithm. Passed from driver to FW via an indirect buffer.
5470  * Requirements:
5471  *  - Padded explicitly to 32-bit boundary.
5472  *  - Must ensure this structure matches the one on driver-side,
5473  *    otherwise it won't be aligned.
5474  */
5475 struct abm_config_table {
5476 	/**
5477 	 * Gamma curve thresholds, used for crgb conversion.
5478 	 */
5479 	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];                 // 0B
5480 	/**
5481 	 * Gamma curve offsets, used for crgb conversion.
5482 	 */
5483 	uint16_t crgb_offset[NUM_POWER_FN_SEGS];                 // 16B
5484 	/**
5485 	 * Gamma curve slopes, used for crgb conversion.
5486 	 */
5487 	uint16_t crgb_slope[NUM_POWER_FN_SEGS];                  // 32B
5488 	/**
5489 	 * Custom backlight curve thresholds.
5490 	 */
5491 	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];        // 48B
5492 	/**
5493 	 * Custom backlight curve offsets.
5494 	 */
5495 	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];           // 78B
5496 	/**
5497 	 * Ambient light thresholds.
5498 	 */
5499 	uint16_t ambient_thresholds_lux[NUM_AMBI_LEVEL];         // 112B
5500 	/**
5501 	 * Minimum programmable backlight.
5502 	 */
5503 	uint16_t min_abm_backlight;                              // 122B
5504 	/**
5505 	 * Minimum reduction values.
5506 	 */
5507 	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 124B
5508 	/**
5509 	 * Maximum reduction values.
5510 	 */
5511 	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 144B
5512 	/**
5513 	 * Bright positive gain.
5514 	 */
5515 	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 164B
5516 	/**
5517 	 * Dark negative gain.
5518 	 */
5519 	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 184B
5520 	/**
5521 	 * Hybrid factor.
5522 	 */
5523 	uint8_t hybrid_factor[NUM_AGGR_LEVEL];                   // 204B
5524 	/**
5525 	 * Contrast factor.
5526 	 */
5527 	uint8_t contrast_factor[NUM_AGGR_LEVEL];                 // 208B
5528 	/**
5529 	 * Deviation gain.
5530 	 */
5531 	uint8_t deviation_gain[NUM_AGGR_LEVEL];                  // 212B
5532 	/**
5533 	 * Minimum knee.
5534 	 */
5535 	uint8_t min_knee[NUM_AGGR_LEVEL];                        // 216B
5536 	/**
5537 	 * Maximum knee.
5538 	 */
5539 	uint8_t max_knee[NUM_AGGR_LEVEL];                        // 220B
5540 	/**
5541 	 * Unused.
5542 	 */
5543 	uint8_t iir_curve[NUM_AMBI_LEVEL];                       // 224B
5544 	/**
5545 	 * Explicit padding to 4 byte boundary.
5546 	 */
5547 	uint8_t pad3[3];                                         // 229B
5548 	/**
5549 	 * Backlight ramp reduction.
5550 	 */
5551 	uint16_t blRampReduction[NUM_AGGR_LEVEL];                // 232B
5552 	/**
5553 	 * Backlight ramp start.
5554 	 */
5555 	uint16_t blRampStart[NUM_AGGR_LEVEL];                    // 240B
5556 };
5557 
5558 /**
5559  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
5560  */
5561 struct dmub_cmd_abm_set_pipe_data {
5562 	/**
5563 	 * OTG HW instance.
5564 	 */
5565 	uint8_t otg_inst;
5566 
5567 	/**
5568 	 * Panel Control HW instance.
5569 	 */
5570 	uint8_t panel_inst;
5571 
5572 	/**
5573 	 * Controls how ABM will interpret a set pipe or set level command.
5574 	 */
5575 	uint8_t set_pipe_option;
5576 
5577 	/**
5578 	 * Unused.
5579 	 * TODO: Remove.
5580 	 */
5581 	uint8_t ramping_boundary;
5582 
5583 	/**
5584 	 * PwrSeq HW Instance.
5585 	 */
5586 	uint8_t pwrseq_inst;
5587 
5588 	/**
5589 	 * Explicit padding to 4 byte boundary.
5590 	 */
5591 	uint8_t pad[3];
5592 };
5593 
5594 /**
5595  * Definition of a DMUB_CMD__ABM_SET_PIPE command.
5596  */
5597 struct dmub_rb_cmd_abm_set_pipe {
5598 	/**
5599 	 * Command header.
5600 	 */
5601 	struct dmub_cmd_header header;
5602 
5603 	/**
5604 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
5605 	 */
5606 	struct dmub_cmd_abm_set_pipe_data abm_set_pipe_data;
5607 };
5608 
5609 /**
5610  * Type of backlight control method to be used by ABM module
5611  */
5612 enum dmub_backlight_control_type {
5613 	/**
5614 	 * PWM Backlight control
5615 	 */
5616 	DMU_BACKLIGHT_CONTROL_PWM = 0,
5617 	/**
5618 	 * VESA Aux-based backlight control
5619 	 */
5620 	DMU_BACKLIGHT_CONTROL_VESA_AUX = 1,
5621 	/**
5622 	 * AMD DPCD Aux-based backlight control
5623 	 */
5624 	DMU_BACKLIGHT_CONTROL_AMD_AUX = 2,
5625 };
5626 
5627 /**
5628  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
5629  */
5630 struct dmub_cmd_abm_set_backlight_data {
5631 	/**
5632 	 * Number of frames to ramp to backlight user level.
5633 	 */
5634 	uint32_t frame_ramp;
5635 
5636 	/**
5637 	 * Requested backlight level from user.
5638 	 */
5639 	uint32_t backlight_user_level;
5640 
5641 	/**
5642 	 * ABM control version.
5643 	 */
5644 	uint8_t version;
5645 
5646 	/**
5647 	 * Panel Control HW instance mask.
5648 	 * Bit 0 is Panel Control HW instance 0.
5649 	 * Bit 1 is Panel Control HW instance 1.
5650 	 */
5651 	uint8_t panel_mask;
5652 
5653 	/**
5654 	 * AUX HW Instance.
5655 	 */
5656 	uint8_t aux_inst;
5657 
5658 	/**
5659 	 * Explicit padding to 4 byte boundary.
5660 	 */
5661 	uint8_t pad[1];
5662 
5663 	/**
5664 	 * Backlight control type.
5665 	 * Value 0 is PWM backlight control.
5666 	 * Value 1 is VAUX backlight control.
5667 	 * Value 2 is AMD DPCD AUX backlight control.
5668 	 */
5669 	enum dmub_backlight_control_type backlight_control_type;
5670 
5671 	/**
5672 	 * Minimum luminance in nits.
5673 	 */
5674 	uint32_t min_luminance;
5675 
5676 	/**
5677 	 * Maximum luminance in nits.
5678 	 */
5679 	uint32_t max_luminance;
5680 
5681 	/**
5682 	 * Minimum backlight in pwm.
5683 	 */
5684 	uint32_t min_backlight_pwm;
5685 
5686 	/**
5687 	 * Maximum backlight in pwm.
5688 	 */
5689 	uint32_t max_backlight_pwm;
5690 };
5691 
5692 /**
5693  * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
5694  */
5695 struct dmub_rb_cmd_abm_set_backlight {
5696 	/**
5697 	 * Command header.
5698 	 */
5699 	struct dmub_cmd_header header;
5700 
5701 	/**
5702 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
5703 	 */
5704 	struct dmub_cmd_abm_set_backlight_data abm_set_backlight_data;
5705 };
5706 
5707 /**
5708  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
5709  */
5710 struct dmub_cmd_abm_set_level_data {
5711 	/**
5712 	 * Set current ABM operating/aggression level.
5713 	 */
5714 	uint32_t level;
5715 
5716 	/**
5717 	 * ABM control version.
5718 	 */
5719 	uint8_t version;
5720 
5721 	/**
5722 	 * Panel Control HW instance mask.
5723 	 * Bit 0 is Panel Control HW instance 0.
5724 	 * Bit 1 is Panel Control HW instance 1.
5725 	 */
5726 	uint8_t panel_mask;
5727 
5728 	/**
5729 	 * Explicit padding to 4 byte boundary.
5730 	 */
5731 	uint8_t pad[2];
5732 };
5733 
5734 /**
5735  * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
5736  */
5737 struct dmub_rb_cmd_abm_set_level {
5738 	/**
5739 	 * Command header.
5740 	 */
5741 	struct dmub_cmd_header header;
5742 
5743 	/**
5744 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
5745 	 */
5746 	struct dmub_cmd_abm_set_level_data abm_set_level_data;
5747 };
5748 
5749 /**
5750  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5751  */
5752 struct dmub_cmd_abm_set_ambient_level_data {
5753 	/**
5754 	 * Ambient light sensor reading from OS.
5755 	 */
5756 	uint32_t ambient_lux;
5757 
5758 	/**
5759 	 * ABM control version.
5760 	 */
5761 	uint8_t version;
5762 
5763 	/**
5764 	 * Panel Control HW instance mask.
5765 	 * Bit 0 is Panel Control HW instance 0.
5766 	 * Bit 1 is Panel Control HW instance 1.
5767 	 */
5768 	uint8_t panel_mask;
5769 
5770 	/**
5771 	 * Explicit padding to 4 byte boundary.
5772 	 */
5773 	uint8_t pad[2];
5774 };
5775 
5776 /**
5777  * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5778  */
5779 struct dmub_rb_cmd_abm_set_ambient_level {
5780 	/**
5781 	 * Command header.
5782 	 */
5783 	struct dmub_cmd_header header;
5784 
5785 	/**
5786 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5787 	 */
5788 	struct dmub_cmd_abm_set_ambient_level_data abm_set_ambient_level_data;
5789 };
5790 
5791 /**
5792  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
5793  */
5794 struct dmub_cmd_abm_set_pwm_frac_data {
5795 	/**
5796 	 * Enable/disable fractional duty cycle for backlight PWM.
5797 	 * TODO: Convert to uint8_t.
5798 	 */
5799 	uint32_t fractional_pwm;
5800 
5801 	/**
5802 	 * ABM control version.
5803 	 */
5804 	uint8_t version;
5805 
5806 	/**
5807 	 * Panel Control HW instance mask.
5808 	 * Bit 0 is Panel Control HW instance 0.
5809 	 * Bit 1 is Panel Control HW instance 1.
5810 	 */
5811 	uint8_t panel_mask;
5812 
5813 	/**
5814 	 * Explicit padding to 4 byte boundary.
5815 	 */
5816 	uint8_t pad[2];
5817 };
5818 
5819 /**
5820  * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
5821  */
5822 struct dmub_rb_cmd_abm_set_pwm_frac {
5823 	/**
5824 	 * Command header.
5825 	 */
5826 	struct dmub_cmd_header header;
5827 
5828 	/**
5829 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
5830 	 */
5831 	struct dmub_cmd_abm_set_pwm_frac_data abm_set_pwm_frac_data;
5832 };
5833 
5834 /**
5835  * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
5836  */
5837 struct dmub_cmd_abm_init_config_data {
5838 	/**
5839 	 * Location of indirect buffer used to pass init data to ABM.
5840 	 */
5841 	union dmub_addr src;
5842 
5843 	/**
5844 	 * Indirect buffer length.
5845 	 */
5846 	uint16_t bytes;
5847 
5848 
5849 	/**
5850 	 * ABM control version.
5851 	 */
5852 	uint8_t version;
5853 
5854 	/**
5855 	 * Panel Control HW instance mask.
5856 	 * Bit 0 is Panel Control HW instance 0.
5857 	 * Bit 1 is Panel Control HW instance 1.
5858 	 */
5859 	uint8_t panel_mask;
5860 
5861 	/**
5862 	 * Explicit padding to 4 byte boundary.
5863 	 */
5864 	uint8_t pad[2];
5865 };
5866 
5867 /**
5868  * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
5869  */
5870 struct dmub_rb_cmd_abm_init_config {
5871 	/**
5872 	 * Command header.
5873 	 */
5874 	struct dmub_cmd_header header;
5875 
5876 	/**
5877 	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
5878 	 */
5879 	struct dmub_cmd_abm_init_config_data abm_init_config_data;
5880 };
5881 
5882 /**
5883  * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
5884  */
5885 
5886 struct dmub_cmd_abm_pause_data {
5887 
5888 	/**
5889 	 * Panel Control HW instance mask.
5890 	 * Bit 0 is Panel Control HW instance 0.
5891 	 * Bit 1 is Panel Control HW instance 1.
5892 	 */
5893 	uint8_t panel_mask;
5894 
5895 	/**
5896 	 * OTG hw instance
5897 	 */
5898 	uint8_t otg_inst;
5899 
5900 	/**
5901 	 * Enable or disable ABM pause
5902 	 */
5903 	uint8_t enable;
5904 
5905 	/**
5906 	 * Explicit padding to 4 byte boundary.
5907 	 */
5908 	uint8_t pad[1];
5909 };
5910 
5911 /**
5912  * Definition of a DMUB_CMD__ABM_PAUSE command.
5913  */
5914 struct dmub_rb_cmd_abm_pause {
5915 	/**
5916 	 * Command header.
5917 	 */
5918 	struct dmub_cmd_header header;
5919 
5920 	/**
5921 	 * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
5922 	 */
5923 	struct dmub_cmd_abm_pause_data abm_pause_data;
5924 };
5925 
5926 /**
5927  * Data passed from driver to FW in a DMUB_CMD__ABM_QUERY_CAPS command.
5928  */
5929 struct dmub_cmd_abm_query_caps_in {
5930 	/**
5931 	 * Panel instance.
5932 	 */
5933 	uint8_t panel_inst;
5934 
5935 	/**
5936 	 * Explicit padding to 4 byte boundary.
5937 	 */
5938 	uint8_t pad[3];
5939 };
5940 
5941 /**
5942  * Data passed from FW to driver in a DMUB_CMD__ABM_QUERY_CAPS command.
5943  */
5944 struct dmub_cmd_abm_query_caps_out {
5945 	/**
5946 	 * SW Algorithm caps.
5947 	 */
5948 	struct abm_caps sw_caps;
5949 
5950 	/**
5951 	 * ABM HW caps.
5952 	 */
5953 	struct abm_caps hw_caps;
5954 };
5955 
5956 /**
5957  * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
5958  */
5959 struct dmub_rb_cmd_abm_query_caps {
5960 	/**
5961 	 * Command header.
5962 	 */
5963 	struct dmub_cmd_header header;
5964 
5965 	/**
5966 	 * Data passed between FW and driver in a DMUB_CMD__ABM_QUERY_CAPS command.
5967 	 */
5968 	union {
5969 		struct dmub_cmd_abm_query_caps_in  abm_query_caps_in;
5970 		struct dmub_cmd_abm_query_caps_out abm_query_caps_out;
5971 	} data;
5972 };
5973 
5974 /**
5975  * enum dmub_abm_ace_curve_type - ACE curve type.
5976  */
5977 enum dmub_abm_ace_curve_type {
5978 	/**
5979 	 * ACE curve as defined by the SW layer.
5980 	 */
5981 	ABM_ACE_CURVE_TYPE__SW = 0,
5982 	/**
5983 	 * ACE curve as defined by the SW to HW translation interface layer.
5984 	 */
5985 	ABM_ACE_CURVE_TYPE__SW_IF = 1,
5986 };
5987 
5988 /**
5989  * enum dmub_abm_histogram_type - Histogram type.
5990  */
5991 enum dmub_abm_histogram_type {
5992 	/**
5993 	 * ACE curve as defined by the SW layer.
5994 	 */
5995 	ABM_HISTOGRAM_TYPE__SW = 0,
5996 	/**
5997 	 * ACE curve as defined by the SW to HW translation interface layer.
5998 	 */
5999 	ABM_HISTOGRAM_TYPE__SW_IF = 1,
6000 };
6001 
6002 /**
6003  * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
6004  */
6005 struct dmub_rb_cmd_abm_get_ace_curve {
6006 	/**
6007 	 * Command header.
6008 	 */
6009 	struct dmub_cmd_header header;
6010 
6011 	/**
6012 	 * Address where ACE curve should be copied.
6013 	 */
6014 	union dmub_addr dest;
6015 
6016 	/**
6017 	 * Type of ACE curve being queried.
6018 	 */
6019 	enum dmub_abm_ace_curve_type ace_type;
6020 
6021 	/**
6022 	 * Indirect buffer length.
6023 	 */
6024 	uint16_t bytes;
6025 
6026 	/**
6027 	 * eDP panel instance.
6028 	 */
6029 	uint8_t panel_inst;
6030 
6031 	/**
6032 	 * Explicit padding to 4 byte boundary.
6033 	 */
6034 	uint8_t pad;
6035 };
6036 
6037 /**
6038  * Definition of a DMUB_CMD__ABM_GET_HISTOGRAM command.
6039  */
6040 struct dmub_rb_cmd_abm_get_histogram {
6041 	/**
6042 	 * Command header.
6043 	 */
6044 	struct dmub_cmd_header header;
6045 
6046 	/**
6047 	 * Address where Histogram should be copied.
6048 	 */
6049 	union dmub_addr dest;
6050 
6051 	/**
6052 	 * Type of Histogram being queried.
6053 	 */
6054 	enum dmub_abm_histogram_type histogram_type;
6055 
6056 	/**
6057 	 * Indirect buffer length.
6058 	 */
6059 	uint16_t bytes;
6060 
6061 	/**
6062 	 * eDP panel instance.
6063 	 */
6064 	uint8_t panel_inst;
6065 
6066 	/**
6067 	 * Explicit padding to 4 byte boundary.
6068 	 */
6069 	uint8_t pad;
6070 };
6071 
6072 /**
6073  * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
6074  */
6075 struct dmub_rb_cmd_abm_save_restore {
6076 	/**
6077 	 * Command header.
6078 	 */
6079 	struct dmub_cmd_header header;
6080 
6081 	/**
6082 	 * OTG hw instance
6083 	 */
6084 	uint8_t otg_inst;
6085 
6086 	/**
6087 	 * Enable or disable ABM pause
6088 	 */
6089 	uint8_t freeze;
6090 
6091 	/**
6092 	 * Explicit padding to 4 byte boundary.
6093 	 */
6094 	uint8_t debug;
6095 
6096 	/**
6097 	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
6098 	 */
6099 	struct dmub_cmd_abm_init_config_data abm_init_config_data;
6100 };
6101 
6102 /**
6103  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
6104  */
6105 
6106 struct dmub_cmd_abm_set_event_data {
6107 
6108 	/**
6109 	 * VB Scaling Init. Strength Mapping
6110 	 * Byte 0: 0~255 for VB level 0
6111 	 * Byte 1: 0~255 for VB level 1
6112 	 * Byte 2: 0~255 for VB level 2
6113 	 * Byte 3: 0~255 for VB level 3
6114 	 */
6115 	uint32_t vb_scaling_strength_mapping;
6116 	/**
6117 	 * VariBright Scaling Enable
6118 	 */
6119 	uint8_t vb_scaling_enable;
6120 	/**
6121 	 * Panel Control HW instance mask.
6122 	 * Bit 0 is Panel Control HW instance 0.
6123 	 * Bit 1 is Panel Control HW instance 1.
6124 	 */
6125 	uint8_t panel_mask;
6126 
6127 	/**
6128 	 * Explicit padding to 4 byte boundary.
6129 	 */
6130 	uint8_t pad[2];
6131 };
6132 
6133 /**
6134  * Definition of a DMUB_CMD__ABM_SET_EVENT command.
6135  */
6136 struct dmub_rb_cmd_abm_set_event {
6137 	/**
6138 	 * Command header.
6139 	 */
6140 	struct dmub_cmd_header header;
6141 
6142 	/**
6143 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
6144 	 */
6145 	struct dmub_cmd_abm_set_event_data abm_set_event_data;
6146 };
6147 
6148 /**
6149  * CACP command sub-types.
6150  */
6151 enum dmub_cmd_cacp_type {
6152 	/**
6153 	 * Initialize parameters for CACP algorithm.
6154 	 * Data is passed through an indirect buffer.
6155 	 */
6156 	DMUB_CMD__CACP_INIT_CONFIG	= 0,
6157 	/**
6158 	 * Set OTG and panel HW instance.
6159 	 */
6160 	DMUB_CMD__CACP_SET_PIPE		= 1,
6161 	/**
6162 	 * Set CACP operating/aggression level.
6163 	 */
6164 	DMUB_CMD__CACP_SET_LEVEL	= 2,
6165 	/**
6166 	 * Set event: full-screen/video mode/Hdr mode
6167 	 */
6168 	DMUB_CMD__CACP_SET_EVENT	= 3,
6169 
6170 	/**
6171 	 * unregister vertical interrupt after steady state is reached
6172 	 */
6173 	DMUB_CMD__CACP_PAUSE	= 4,
6174 	/**
6175 	 * Set backlight: only for miniLED
6176 	 */
6177 	DMUB_CMD__CACP_SET_BACKLIGHT	= 5,
6178 	/**
6179 	 * Enable/disable fractional duty cycle for backlight PWM.
6180 	 */
6181 	DMUB_CMD__CACP_SET_PWM_FRAC	= 6,
6182 	/**
6183 	 * Get CACP Histogram
6184 	 */
6185 	DMUB_CMD__CACP_GET_HISTOGRAM = 7,
6186 };
6187 
6188 /**
6189  * Data passed from driver to FW in a DMUB_CMD__CACP_SET_PIPE command.
6190  */
6191 struct dmub_cmd_cacp_set_pipe_data {
6192 	/**
6193 	 * OTG HW instance.
6194 	 */
6195 	uint8_t otg_inst;
6196 
6197 	/**
6198 	 * Panel Control HW instance.
6199 	 */
6200 	uint8_t panel_inst;
6201 
6202 	/**
6203 	 * Controls how CACP will interpret a set pipe or set level command.
6204 	 */
6205 	uint8_t set_pipe_option;
6206 
6207 	/**
6208 	 * PwrSeq HW Instance.
6209 	 */
6210 	uint8_t pwrseq_inst;
6211 };
6212 
6213 /**
6214  * Definition of a DMUB_CMD__CACP_SET_PIPE command.
6215  */
6216 struct dmub_rb_cmd_cacp_set_pipe {
6217 	/**
6218 	 * Command header.
6219 	 */
6220 	struct dmub_cmd_header header;
6221 
6222 	/**
6223 	 * Data passed from driver to FW in a DMUB_CMD__CACP_PIPE command.
6224 	 */
6225 	struct dmub_cmd_cacp_set_pipe_data cacp_set_pipe_data;
6226 };
6227 
6228 /**
6229  * Data passed from driver to FW in a DMUB_CMD__CACP_SET_LEVEL command.
6230  */
6231 struct dmub_cmd_cacp_set_level_data {
6232 	/**
6233 	 * Set current cacp operating/aggression level.
6234 	 */
6235 	uint32_t level;
6236 
6237 	/**
6238 	 * CACP control version.
6239 	 */
6240 	uint8_t version;
6241 
6242 	/**
6243 	 * Panel Control HW instance mask.
6244 	 * Bit 0 is Panel Control HW instance 0.
6245 	 * Bit 1 is Panel Control HW instance 1.
6246 	 */
6247 	uint8_t panel_mask;
6248 
6249 	/**
6250 	 * Explicit padding to 4 byte boundary.
6251 	 */
6252 	uint8_t pad[2];
6253 };
6254 
6255 /**
6256  * Definition of a DMUB_CMD__CACP_SET_LEVEL command.
6257  */
6258 struct dmub_rb_cmd_cacp_set_level {
6259 	/**
6260 	 * Command header.
6261 	 */
6262 	struct dmub_cmd_header header;
6263 
6264 	/**
6265 	 * Data passed from driver to FW in a DMUB_CMD__CACP_SET_LEVEL command.
6266 	 */
6267 	struct dmub_cmd_cacp_set_level_data cacp_set_level_data;
6268 };
6269 
6270 /**
6271  * Data passed from driver to FW in a DMUB_CMD__CACP_SET_EVENT command.
6272  */
6273 struct dmub_cmd_cacp_set_event_data {
6274 	/**
6275 	 * Full screen mode
6276 	 */
6277 	uint8_t full_screen_mode;
6278 
6279 	/**
6280 	 * VariBright Scaling Enable
6281 	 */
6282 	uint8_t vb_scaling_enable;
6283 
6284 	/**
6285 	 * HDR mode
6286 	 */
6287 	uint8_t hdr_mode;
6288 
6289 	/**
6290 	 * Panel Control HW instance mask.
6291 	 * Bit 0 is Panel Control HW instance 0.
6292 	 * Bit 1 is Panel Control HW instance 1.
6293 	 */
6294 	uint8_t panel_mask;
6295 
6296 	/**
6297 	 * Transition time info
6298 	 */
6299 	uint32_t trans_info;
6300 };
6301 
6302 /**
6303  * Definition of a DMUB_CMD__CACP_SET_EVENT command.
6304  */
6305 struct dmub_rb_cmd_cacp_set_event {
6306 	/**
6307 	 * Command header.
6308 	 */
6309 	struct dmub_cmd_header header;
6310 
6311 	/**
6312 	 * Data passed from driver to FW in a DMUB_CMD__CACP_SET_EVENT command.
6313 	 */
6314 	struct dmub_cmd_cacp_set_event_data cacp_set_event_data;
6315 };
6316 
6317 /**
6318  * Data passed from driver to FW in a DMUB_CMD__CACP_INIT_CONFIG command.
6319  */
6320 struct dmub_cmd_cacp_init_config_data {
6321 	/**
6322 	 * Location of indirect buffer used to pass init data to CACP.
6323 	 */
6324 	union dmub_addr src;
6325 
6326 	/**
6327 	 * Indirect buffer length.
6328 	 */
6329 	uint16_t bytes;
6330 
6331 	/**
6332 	 * CACP control version.
6333 	 */
6334 	uint8_t mode;
6335 
6336 	/**
6337 	 * Panel Control HW instance mask.
6338 	 * Bit 0 is Panel Control HW instance 0.
6339 	 * Bit 1 is Panel Control HW instance 1.
6340 	 */
6341 	uint8_t panel_mask;
6342 
6343 	/**
6344 	 * CACP visual_confirm debug
6345 	 */
6346 	uint32_t visual_confirm;
6347 
6348 	/**
6349 	 * CACP customized str_scl params
6350 	 */
6351 	uint8_t strscl_valid;
6352 	uint8_t pad[3];
6353 	uint8_t strscl_sdr[4];
6354 	uint8_t strscl_hdr[4];
6355 };
6356 
6357 /**
6358  * Definition of a DMUB_CMD__CACP_INIT_CONFIG command.
6359  */
6360 struct dmub_rb_cmd_cacp_init_config {
6361 	/**
6362 	 * Command header.
6363 	 */
6364 	struct dmub_cmd_header header;
6365 
6366 	/**
6367 	 * Data passed from driver to FW in a DMUB_CMD__CACP_INIT_CONFIG command.
6368 	 */
6369 	struct dmub_cmd_cacp_init_config_data cacp_init_config_data;
6370 };
6371 
6372 /**
6373  * Data passed from driver to FW in a DMUB_CMD__CACP_PAUSE command.
6374  */
6375 
6376 struct dmub_cmd_cacp_pause_data {
6377 
6378 	/**
6379 	 * Panel Control HW instance mask.
6380 	 * Bit 0 is Panel Control HW instance 0.
6381 	 * Bit 1 is Panel Control HW instance 1.
6382 	 */
6383 	uint8_t panel_mask;
6384 
6385 	/**
6386 	 * OTG hw instance
6387 	 */
6388 	uint8_t otg_inst;
6389 
6390 	/**
6391 	 * Enable or disable CACP pause
6392 	 */
6393 	uint8_t enable;
6394 
6395 	/**
6396 	 * Explicit padding to 4 byte boundary.
6397 	 */
6398 	uint8_t pad;
6399 };
6400 
6401 /**
6402  * Definition of a DMUB_CMD__CACP_PAUSE command.
6403  */
6404 struct dmub_rb_cmd_cacp_pause {
6405 	/**
6406 	 * Command header.
6407 	 */
6408 	struct dmub_cmd_header header;
6409 
6410 	/**
6411 	 * Data passed from driver to FW in a DMUB_CMD__CACP_PAUSE command.
6412 	 */
6413 	struct dmub_cmd_cacp_pause_data cacp_pause_data;
6414 };
6415 
6416 /**
6417  * Data passed from driver to FW in a DMUB_CMD__CACP_SET_BACKLIGHT command.
6418  */
6419 struct dmub_cmd_cacp_set_backlight_data {
6420 	/**
6421 	 * Number of frames to ramp to backlight user level.
6422 	 */
6423 	uint32_t frame_ramp;
6424 
6425 	/**
6426 	 * Requested backlight level from user.
6427 	 */
6428 	uint32_t backlight_user_level;
6429 
6430 	/**
6431 	 * ABM control version.
6432 	 */
6433 	uint8_t version;
6434 
6435 	/**
6436 	 * Panel Control HW instance mask.
6437 	 * Bit 0 is Panel Control HW instance 0.
6438 	 * Bit 1 is Panel Control HW instance 1.
6439 	 */
6440 	uint8_t panel_mask;
6441 
6442 	/**
6443 	 * Explicit padding to 4 byte boundary.
6444 	 */
6445 	uint8_t pad[2];
6446 };
6447 
6448 /**
6449  * Definition of a DMUB_CMD__CACP_SET_BACKLIGHT command.
6450  */
6451 struct dmub_rb_cmd_cacp_set_backlight {
6452 	/**
6453 	 * Command header.
6454 	 */
6455 	struct dmub_cmd_header header;
6456 
6457 	/**
6458 	 * Data passed from driver to FW in a DMUB_CMD__CACP_SET_BACKLIGHT command.
6459 	 */
6460 	struct dmub_cmd_cacp_set_backlight_data cacp_set_backlight_data;
6461 };
6462 
6463 /**
6464  * Data passed from driver to FW in a DMUB_CMD__CACP_SET_PWM_FRAC command.
6465  */
6466 struct dmub_cmd_cacp_set_pwm_frac_data {
6467 	/**
6468 	 * Enable/disable fractional duty cycle for backlight PWM.
6469 	 * TODO: Convert to uint8_t.
6470 	 */
6471 	uint32_t fractional_pwm;
6472 
6473 	/**
6474 	 * CACP control version.
6475 	 */
6476 	uint8_t version;
6477 
6478 	/**
6479 	 * Panel Control HW instance mask.
6480 	 * Bit 0 is Panel Control HW instance 0.
6481 	 * Bit 1 is Panel Control HW instance 1.
6482 	 */
6483 	uint8_t panel_mask;
6484 
6485 	/**
6486 	 * Explicit padding to 4 byte boundary.
6487 	 */
6488 	uint8_t pad[2];
6489 };
6490 
6491 /**
6492  * Definition of a DMUB_CMD__CACP_SET_PWM_FRAC command.
6493  */
6494 struct dmub_rb_cmd_cacp_set_pwm_frac {
6495 	/**
6496 	 * Command header.
6497 	 */
6498 	struct dmub_cmd_header header;
6499 
6500 	/**
6501 	 * Data passed from driver to FW in a DMUB_CMD__CACP_SET_PWM_FRAC command.
6502 	 */
6503 	struct dmub_cmd_cacp_set_pwm_frac_data cacp_set_pwm_frac_data;
6504 };
6505 
6506 /**
6507  * Definition of a DMUB_CMD__CACP_GET_HISTOGRAM command.
6508  */
6509 struct dmub_rb_cmd_cacp_get_histogram {
6510 	/**
6511 	 * Command header.
6512 	 */
6513 	struct dmub_cmd_header header;
6514 
6515 	/**
6516 	 * Address where Histogram should be copied.
6517 	 */
6518 	union dmub_addr dest;
6519 
6520 	/**
6521 	 * Type of Histogram being queried.
6522 	 */
6523 	enum dmub_abm_histogram_type histogram_type;
6524 
6525 	/**
6526 	 * Indirect buffer length.
6527 	 */
6528 	uint16_t bytes;
6529 
6530 	/**
6531 	 * eDP panel instance.
6532 	 */
6533 	uint8_t panel_inst;
6534 
6535 	/**
6536 	 * Explicit padding to 4 byte boundary.
6537 	 */
6538 	uint8_t pad;
6539 };
6540 
6541 /**
6542  * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
6543  */
6544 struct dmub_cmd_query_feature_caps_data {
6545 	/**
6546 	 * DMUB feature capabilities.
6547 	 * After DMUB init, driver will query FW capabilities prior to enabling certain features.
6548 	 */
6549 	struct dmub_feature_caps feature_caps;
6550 };
6551 
6552 /**
6553  * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
6554  */
6555 struct dmub_rb_cmd_query_feature_caps {
6556 	/**
6557 	 * Command header.
6558 	 */
6559 	struct dmub_cmd_header header;
6560 	/**
6561 	 * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
6562 	 */
6563 	struct dmub_cmd_query_feature_caps_data query_feature_caps_data;
6564 };
6565 
6566 /**
6567  * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
6568  */
6569 struct dmub_cmd_visual_confirm_color_data {
6570 	/**
6571 	 * DMUB visual confirm color
6572 	 */
6573 	struct dmub_visual_confirm_color visual_confirm_color;
6574 };
6575 
6576 /**
6577  * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
6578  */
6579 struct dmub_rb_cmd_get_visual_confirm_color {
6580 	/**
6581 	 * Command header.
6582 	 */
6583 	struct dmub_cmd_header header;
6584 	/**
6585 	 * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
6586 	 */
6587 	struct dmub_cmd_visual_confirm_color_data visual_confirm_color_data;
6588 };
6589 
6590 /**
6591  * enum dmub_cmd_panel_cntl_type - Panel control command.
6592  */
6593 enum dmub_cmd_panel_cntl_type {
6594 	/**
6595 	 * Initializes embedded panel hardware blocks.
6596 	 */
6597 	DMUB_CMD__PANEL_CNTL_HW_INIT = 0,
6598 	/**
6599 	 * Queries backlight info for the embedded panel.
6600 	 */
6601 	DMUB_CMD__PANEL_CNTL_QUERY_BACKLIGHT_INFO = 1,
6602 	/**
6603 	 * Sets the PWM Freq as per user's requirement.
6604 	 */
6605 	DMUB_CMD__PANEL_DEBUG_PWM_FREQ = 2,
6606 };
6607 
6608 /**
6609  * struct dmub_cmd_panel_cntl_data - Panel control data.
6610  */
6611 struct dmub_cmd_panel_cntl_data {
6612 	uint32_t pwrseq_inst; /**< pwrseq instance */
6613 	uint32_t current_backlight; /* in/out */
6614 	uint32_t bl_pwm_cntl; /* in/out */
6615 	uint32_t bl_pwm_period_cntl; /* in/out */
6616 	uint32_t bl_pwm_ref_div1; /* in/out */
6617 	uint8_t is_backlight_on : 1; /* in/out */
6618 	uint8_t is_powered_on : 1; /* in/out */
6619 	uint8_t padding[3];
6620 	uint32_t bl_pwm_ref_div2; /* in/out */
6621 	uint8_t reserved[4];
6622 };
6623 
6624 /**
6625  * struct dmub_rb_cmd_panel_cntl - Panel control command.
6626  */
6627 struct dmub_rb_cmd_panel_cntl {
6628 	struct dmub_cmd_header header; /**< header */
6629 	struct dmub_cmd_panel_cntl_data data; /**< payload */
6630 };
6631 
6632 struct dmub_optc_state {
6633 	uint32_t v_total_max;
6634 	uint32_t v_total_min;
6635 	uint32_t tg_inst;
6636 };
6637 
6638 struct dmub_rb_cmd_drr_update {
6639 	struct dmub_cmd_header header;
6640 	struct dmub_optc_state dmub_optc_state_req;
6641 };
6642 
6643 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data {
6644 	uint32_t pix_clk_100hz;
6645 	uint8_t max_ramp_step;
6646 	uint8_t pipes;
6647 	uint8_t min_refresh_in_hz;
6648 	uint8_t pipe_count;
6649 	uint8_t pipe_index[4];
6650 };
6651 
6652 struct dmub_cmd_fw_assisted_mclk_switch_config {
6653 	uint8_t fams_enabled;
6654 	uint8_t visual_confirm_enabled;
6655 	uint16_t vactive_stretch_margin_us; // Extra vblank stretch required when doing FPO + Vactive
6656 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data pipe_data[DMUB_MAX_FPO_STREAMS];
6657 };
6658 
6659 struct dmub_rb_cmd_fw_assisted_mclk_switch {
6660 	struct dmub_cmd_header header;
6661 	struct dmub_cmd_fw_assisted_mclk_switch_config config_data;
6662 };
6663 
6664 /**
6665  * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
6666  */
6667 struct dmub_cmd_lvtma_control_data {
6668 	uint8_t uc_pwr_action; /**< LVTMA_ACTION */
6669 	uint8_t bypass_panel_control_wait;
6670 	uint8_t reserved_0[2]; /**< For future use */
6671 	uint8_t pwrseq_inst; /**< LVTMA control instance */
6672 	uint8_t reserved_1[3]; /**< For future use */
6673 };
6674 
6675 /**
6676  * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
6677  */
6678 struct dmub_rb_cmd_lvtma_control {
6679 	/**
6680 	 * Command header.
6681 	 */
6682 	struct dmub_cmd_header header;
6683 	/**
6684 	 * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
6685 	 */
6686 	struct dmub_cmd_lvtma_control_data data;
6687 };
6688 
6689 /**
6690  * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
6691  */
6692 struct dmub_rb_cmd_transmitter_query_dp_alt_data {
6693 	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
6694 	uint8_t is_usb; /**< is phy is usb */
6695 	uint8_t is_dp_alt_disable; /**< is dp alt disable */
6696 	uint8_t is_dp4; /**< is dp in 4 lane */
6697 };
6698 
6699 /**
6700  * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
6701  */
6702 struct dmub_rb_cmd_transmitter_query_dp_alt {
6703 	struct dmub_cmd_header header; /**< header */
6704 	struct dmub_rb_cmd_transmitter_query_dp_alt_data data; /**< payload */
6705 };
6706 
6707 struct phy_test_mode {
6708 	uint8_t mode;
6709 	uint8_t pat0;
6710 	uint8_t pad[2];
6711 };
6712 
6713 /**
6714  * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
6715  */
6716 struct dmub_rb_cmd_transmitter_set_phy_fsm_data {
6717 	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
6718 	uint8_t mode; /**< HDMI/DP/DP2 etc */
6719 	uint8_t lane_num; /**< Number of lanes */
6720 	uint32_t symclk_100Hz; /**< PLL symclock in 100hz */
6721 	struct phy_test_mode test_mode;
6722 	enum dmub_phy_fsm_state state;
6723 	uint32_t status;
6724 	uint8_t pad;
6725 };
6726 
6727 /**
6728  * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
6729  */
6730 struct dmub_rb_cmd_transmitter_set_phy_fsm {
6731 	struct dmub_cmd_header header; /**< header */
6732 	struct dmub_rb_cmd_transmitter_set_phy_fsm_data data; /**< payload */
6733 };
6734 
6735 /**
6736  * Maximum number of bytes a chunk sent to DMUB for parsing
6737  */
6738 #define DMUB_EDID_CEA_DATA_CHUNK_BYTES 8
6739 
6740 /**
6741  *  Represent a chunk of CEA blocks sent to DMUB for parsing
6742  */
6743 struct dmub_cmd_send_edid_cea {
6744 	uint16_t offset;	/**< offset into the CEA block */
6745 	uint8_t length;	/**< number of bytes in payload to copy as part of CEA block */
6746 	uint16_t cea_total_length;  /**< total length of the CEA block */
6747 	uint8_t payload[DMUB_EDID_CEA_DATA_CHUNK_BYTES]; /**< data chunk of the CEA block */
6748 	uint8_t pad[3]; /**< padding and for future expansion */
6749 };
6750 
6751 /**
6752  * Result of VSDB parsing from CEA block
6753  */
6754 struct dmub_cmd_edid_cea_amd_vsdb {
6755 	uint8_t vsdb_found;		/**< 1 if parsing has found valid AMD VSDB */
6756 	uint8_t freesync_supported;	/**< 1 if Freesync is supported */
6757 	uint16_t amd_vsdb_version;	/**< AMD VSDB version */
6758 	uint16_t min_frame_rate;	/**< Maximum frame rate */
6759 	uint16_t max_frame_rate;	/**< Minimum frame rate */
6760 	uint8_t freesync_mccs_vcp_code; /**< Freesync MCCS VCP code */
6761 };
6762 
6763 /**
6764  * Result of sending a CEA chunk
6765  */
6766 struct dmub_cmd_edid_cea_ack {
6767 	uint16_t offset;	/**< offset of the chunk into the CEA block */
6768 	uint8_t success;	/**< 1 if this sending of chunk succeeded */
6769 	uint8_t pad;		/**< padding and for future expansion */
6770 };
6771 
6772 /**
6773  * Specify whether the result is an ACK/NACK or the parsing has finished
6774  */
6775 enum dmub_cmd_edid_cea_reply_type {
6776 	DMUB_CMD__EDID_CEA_AMD_VSDB	= 1, /**< VSDB parsing has finished */
6777 	DMUB_CMD__EDID_CEA_ACK		= 2, /**< acknowledges the CEA sending is OK or failing */
6778 };
6779 
6780 /**
6781  * Definition of a DMUB_CMD__EDID_CEA command.
6782  */
6783 struct dmub_rb_cmd_edid_cea {
6784 	struct dmub_cmd_header header;	/**< Command header */
6785 	union dmub_cmd_edid_cea_data {
6786 		struct dmub_cmd_send_edid_cea input; /**< input to send CEA chunks */
6787 		struct dmub_cmd_edid_cea_output { /**< output with results */
6788 			uint8_t type;	/**< dmub_cmd_edid_cea_reply_type */
6789 			union {
6790 				struct dmub_cmd_edid_cea_amd_vsdb amd_vsdb;
6791 				struct dmub_cmd_edid_cea_ack ack;
6792 			};
6793 		} output;	/**< output to retrieve ACK/NACK or VSDB parsing results */
6794 	} data;	/**< Command data */
6795 
6796 };
6797 
6798 /**
6799  * struct dmub_cmd_cable_id_input - Defines the input of DMUB_CMD_GET_USBC_CABLE_ID command.
6800  */
6801 struct dmub_cmd_cable_id_input {
6802 	uint8_t phy_inst;  /**< phy inst for cable id data */
6803 };
6804 
6805 /**
6806  * struct dmub_cmd_cable_id_input - Defines the output of DMUB_CMD_GET_USBC_CABLE_ID command.
6807  */
6808 struct dmub_cmd_cable_id_output {
6809 	uint8_t UHBR10_20_CAPABILITY	:2; /**< b'01 for UHBR10 support, b'10 for both UHBR10 and UHBR20 support */
6810 	uint8_t UHBR13_5_CAPABILITY	:1; /**< b'1 for UHBR13.5 support */
6811 	uint8_t CABLE_TYPE		:3; /**< b'01 for passive cable, b'10 for active LRD cable, b'11 for active retimer cable */
6812 	uint8_t RESERVED		:2; /**< reserved means not defined */
6813 };
6814 
6815 /**
6816  * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command
6817  */
6818 struct dmub_rb_cmd_get_usbc_cable_id {
6819 	struct dmub_cmd_header header; /**< Command header */
6820 	/**
6821 	 * Data passed from driver to FW in a DMUB_CMD_GET_USBC_CABLE_ID command.
6822 	 */
6823 	union dmub_cmd_cable_id_data {
6824 		struct dmub_cmd_cable_id_input input; /**< Input */
6825 		struct dmub_cmd_cable_id_output output; /**< Output */
6826 		uint8_t output_raw; /**< Raw data output */
6827 	} data;
6828 };
6829 
6830 enum dmub_cmd_fused_io_sub_type {
6831 	DMUB_CMD__FUSED_IO_EXECUTE = 0,
6832 	DMUB_CMD__FUSED_IO_ABORT = 1,
6833 };
6834 
6835 enum dmub_cmd_fused_request_type {
6836 	FUSED_REQUEST_READ,
6837 	FUSED_REQUEST_WRITE,
6838 	FUSED_REQUEST_POLL,
6839 };
6840 
6841 enum dmub_cmd_fused_request_status {
6842 	FUSED_REQUEST_STATUS_SUCCESS,
6843 	FUSED_REQUEST_STATUS_BEGIN,
6844 	FUSED_REQUEST_STATUS_SUBMIT,
6845 	FUSED_REQUEST_STATUS_REPLY,
6846 	FUSED_REQUEST_STATUS_POLL,
6847 	FUSED_REQUEST_STATUS_ABORTED,
6848 	FUSED_REQUEST_STATUS_FAILED = 0x80,
6849 	FUSED_REQUEST_STATUS_INVALID,
6850 	FUSED_REQUEST_STATUS_BUSY,
6851 	FUSED_REQUEST_STATUS_TIMEOUT,
6852 	FUSED_REQUEST_STATUS_POLL_TIMEOUT,
6853 };
6854 
6855 struct dmub_cmd_fused_request {
6856 	uint8_t status;
6857 	uint8_t type : 2;
6858 	uint8_t _reserved0 : 3;
6859 	uint8_t poll_mask_msb : 3;  // Number of MSB to zero out from last byte before comparing
6860 	uint8_t identifier;
6861 	uint8_t _reserved1;
6862 	uint32_t timeout_us;
6863 	union dmub_cmd_fused_request_location {
6864 		struct dmub_cmd_fused_request_location_i2c {
6865 			uint8_t is_aux : 1;  // False
6866 			uint8_t ddc_line : 3;
6867 			uint8_t over_aux : 1;
6868 			uint8_t _reserved0 : 3;
6869 			uint8_t address;
6870 			uint8_t offset;
6871 			uint8_t length;
6872 		} i2c;
6873 		struct dmub_cmd_fused_request_location_aux {
6874 			uint32_t is_aux : 1;  // True
6875 			uint32_t ddc_line : 3;
6876 			uint32_t address : 20;
6877 			uint32_t length : 8;  // Automatically split into 16B transactions
6878 		} aux;
6879 	} u;
6880 	uint8_t buffer[0x30];  // Read: out, write: in, poll: expected
6881 };
6882 
6883 struct dmub_rb_cmd_fused_io {
6884 	struct dmub_cmd_header header;
6885 	struct dmub_cmd_fused_request request;
6886 };
6887 
6888 /**
6889  * Command type of a DMUB_CMD__SECURE_DISPLAY command
6890  */
6891 enum dmub_cmd_secure_display_type {
6892 	DMUB_CMD__SECURE_DISPLAY_TEST_CMD = 0,		/* test command to only check if inbox message works */
6893 	DMUB_CMD__SECURE_DISPLAY_CRC_STOP_UPDATE,
6894 	DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY,
6895 	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_STOP_UPDATE,
6896 	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_WIN_NOTIFY
6897 };
6898 
6899 #define MAX_ROI_NUM	2
6900 
6901 struct dmub_cmd_roi_info {
6902 	uint16_t x_start;
6903 	uint16_t x_end;
6904 	uint16_t y_start;
6905 	uint16_t y_end;
6906 	uint8_t otg_id;
6907 	uint8_t phy_id;
6908 };
6909 
6910 struct dmub_cmd_roi_window_ctl {
6911 	uint16_t x_start;
6912 	uint16_t x_end;
6913 	uint16_t y_start;
6914 	uint16_t y_end;
6915 	bool enable;
6916 };
6917 
6918 struct dmub_cmd_roi_ctl_info {
6919 	uint8_t otg_id;
6920 	uint8_t phy_id;
6921 	struct dmub_cmd_roi_window_ctl roi_ctl[MAX_ROI_NUM];
6922 };
6923 
6924 /**
6925  * Definition of a DMUB_CMD__SECURE_DISPLAY command
6926  */
6927 struct dmub_rb_cmd_secure_display {
6928 	struct dmub_cmd_header header;
6929 	/**
6930 	 * Data passed from driver to dmub firmware.
6931 	 */
6932 	struct dmub_cmd_roi_info roi_info;
6933 	struct dmub_cmd_roi_ctl_info mul_roi_ctl;
6934 };
6935 
6936 /**
6937  * Command type of a DMUB_CMD__PSP command
6938  */
6939 enum dmub_cmd_psp_type {
6940 	DMUB_CMD__PSP_ASSR_ENABLE = 0
6941 };
6942 
6943 /**
6944  * Data passed from driver to FW in a DMUB_CMD__PSP_ASSR_ENABLE command.
6945  */
6946 struct dmub_cmd_assr_enable_data {
6947 	/**
6948 	 * ASSR enable or disable.
6949 	 */
6950 	uint8_t enable;
6951 	/**
6952 	 * PHY port type.
6953 	 * Indicates eDP / non-eDP port type
6954 	 */
6955 	uint8_t phy_port_type;
6956 	/**
6957 	 * PHY port ID.
6958 	 */
6959 	uint8_t phy_port_id;
6960 	/**
6961 	 * Link encoder index.
6962 	 */
6963 	uint8_t link_enc_index;
6964 	/**
6965 	 * HPO mode.
6966 	 */
6967 	uint8_t hpo_mode;
6968 
6969 	/**
6970 	 * Reserved field.
6971 	 */
6972 	uint8_t reserved[7];
6973 };
6974 
6975 /**
6976  * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
6977  */
6978 struct dmub_rb_cmd_assr_enable {
6979 	/**
6980 	 * Command header.
6981 	 */
6982 	struct dmub_cmd_header header;
6983 
6984 	/**
6985 	 * Assr data.
6986 	 */
6987 	struct dmub_cmd_assr_enable_data assr_data;
6988 
6989 	/**
6990 	 * Reserved field.
6991 	 */
6992 	uint32_t reserved[3];
6993 };
6994 
6995 /**
6996  * Current definition of "ips_mode" from driver
6997  */
6998 enum ips_residency_mode {
6999 	IPS_RESIDENCY__IPS1_MAX,
7000 	IPS_RESIDENCY__IPS2,
7001 	IPS_RESIDENCY__IPS1_RCG, // refers to IPS0 + RCG
7002 	IPS_RESIDENCY__IPS1_ONO2_ON,
7003 	IPS_RESIDENCY__IPS1_Z8_RETENTION,
7004 	IPS_RESIDENCY__PG_ONO_LAST_SEEN_IN_IPS,
7005 	IPS_RESIDENCY__PG_ONO_CURRENT_STATE
7006 };
7007 
7008 #define NUM_IPS_HISTOGRAM_BUCKETS 16
7009 
7010 /**
7011  * IPS residency statistics to be sent to driver - subset of struct dmub_ips_residency_stats
7012  */
7013 struct dmub_ips_residency_info {
7014 	uint32_t residency_millipercent;
7015 	uint32_t entry_counter;
7016 	uint32_t histogram[NUM_IPS_HISTOGRAM_BUCKETS];
7017 	uint64_t total_time_us;
7018 	uint64_t total_inactive_time_us;
7019 	uint32_t ono_pg_state_at_collection;
7020 	uint32_t ono_pg_state_last_seen_in_ips;
7021 };
7022 
7023 /**
7024  * Data passed from driver to FW in a DMUB_CMD__IPS_RESIDENCY_CNTL command.
7025  */
7026 struct dmub_cmd_ips_residency_cntl_data {
7027 	uint8_t panel_inst;
7028 	uint8_t start_measurement;
7029 	uint8_t padding[2]; // align to 4-byte boundary
7030 };
7031 
7032 struct dmub_rb_cmd_ips_residency_cntl {
7033 	struct dmub_cmd_header header;
7034 	struct dmub_cmd_ips_residency_cntl_data cntl_data;
7035 };
7036 
7037 /**
7038  * Data passed from FW to driver in a DMUB_CMD__IPS_QUERY_RESIDENCY_INFO command.
7039  */
7040 struct dmub_cmd_ips_query_residency_info_data {
7041 	union dmub_addr dest;
7042 	uint32_t size;
7043 	uint32_t ips_mode;
7044 	uint8_t panel_inst;
7045 	uint8_t padding[3]; // align to 4-byte boundary
7046 };
7047 
7048 struct dmub_rb_cmd_ips_query_residency_info {
7049 	struct dmub_cmd_header header;
7050 	struct dmub_cmd_ips_query_residency_info_data info_data;
7051 };
7052 
7053 /**
7054  * struct dmub_cmd_cursor_offload_init_data - Payload for cursor offload init command.
7055  */
7056 struct dmub_cmd_cursor_offload_init_data {
7057 	union dmub_addr state_addr; /**< State address for dmub_cursor_offload */
7058 	uint32_t state_size; /**< State size for dmub_cursor_offload */
7059 };
7060 
7061 /**
7062  * struct dmub_rb_cmd_cursor_offload_init - Data for initializing cursor offload.
7063  */
7064 struct dmub_rb_cmd_cursor_offload_init {
7065 	struct dmub_cmd_header header;
7066 	struct dmub_cmd_cursor_offload_init_data init_data;
7067 };
7068 
7069 /**
7070  * struct dmub_cmd_cursor_offload_stream_data - Payload for cursor offload stream command.
7071  */
7072 struct dmub_cmd_cursor_offload_stream_data {
7073 	uint32_t otg_inst: 4; /**< OTG instance to control  */
7074 	uint32_t reserved: 28; /**< Reserved for future use */
7075 	uint32_t line_time_in_ns; /**< Line time in ns for the OTG */
7076 	uint32_t v_total_max; /**< OTG v_total_max */
7077 };
7078 
7079 /**
7080  * struct dmub_rb_cmd_cursor_offload_stream_cntl - Controls a stream for cursor offload.
7081  */
7082 struct dmub_rb_cmd_cursor_offload_stream_cntl {
7083 	struct dmub_cmd_header header;
7084 	struct dmub_cmd_cursor_offload_stream_data data;
7085 };
7086 
7087 /**
7088  * Data passed from driver to FW in a DMUB_CMD__PR_ENABLE command.
7089  */
7090 struct dmub_cmd_pr_enable_data {
7091 	/**
7092 	 * Panel Replay enable or disable.
7093 	 */
7094 	uint8_t enable;
7095 	/**
7096 	 * Panel Instance.
7097 	 * Panel isntance to identify which replay_state to use
7098 	 * Currently the support is only for 0 or 1
7099 	 */
7100 	uint8_t panel_inst;
7101 	/**
7102 	 * Phy state to enter.
7103 	 * Values to use are defined in dmub_phy_fsm_state
7104 	 */
7105 	uint8_t phy_fsm_state;
7106 	/**
7107 	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
7108 	 * Set this using enum phy_link_rate.
7109 	 * This does not support HDMI/DP2 for now.
7110 	 */
7111 	uint8_t phy_rate;
7112 	/**
7113 	 * @hpo_stream_enc_inst: HPO stream encoder instance
7114 	 */
7115 	uint8_t hpo_stream_enc_inst;
7116 	/**
7117 	 * @hpo_link_enc_inst: HPO link encoder instance
7118 	 */
7119 	uint8_t hpo_link_enc_inst;
7120 	/**
7121 	 * @pad: Align structure to 4 byte boundary.
7122 	 */
7123 	uint8_t pad[2];
7124 };
7125 
7126 /**
7127  * Definition of a DMUB_CMD__PR_ENABLE command.
7128  * Panel Replay enable/disable is controlled using action in data.
7129  */
7130 struct dmub_rb_cmd_pr_enable {
7131 	/**
7132 	 * Command header.
7133 	 */
7134 	struct dmub_cmd_header header;
7135 
7136 	struct dmub_cmd_pr_enable_data data;
7137 };
7138 
7139 /**
7140  * Data passed from driver to FW in a DMUB_CMD__PR_COPY_SETTINGS command.
7141  */
7142 struct dmub_cmd_pr_copy_settings_data {
7143 	/**
7144 	 * Flags that can be set by driver to change some replay behaviour.
7145 	 */
7146 	union pr_debug_flags debug;
7147 
7148 	/**
7149 	 * @flags: Flags used to determine feature functionality.
7150 	 */
7151 	union pr_hw_flags flags;
7152 
7153 	/**
7154 	 * DPP HW instance.
7155 	 */
7156 	uint8_t dpp_inst;
7157 	/**
7158 	 * OTG HW instance.
7159 	 */
7160 	uint8_t otg_inst;
7161 	/**
7162 	 * DIG FE HW instance.
7163 	 */
7164 	uint8_t digfe_inst;
7165 	/**
7166 	 * DIG BE HW instance.
7167 	 */
7168 	uint8_t digbe_inst;
7169 	/**
7170 	 * AUX HW instance.
7171 	 */
7172 	uint8_t aux_inst;
7173 	/**
7174 	 * Panel Instance.
7175 	 * Panel isntance to identify which psr_state to use
7176 	 * Currently the support is only for 0 or 1
7177 	 */
7178 	uint8_t panel_inst;
7179 	/**
7180 	 * PHY instance.
7181 	 */
7182 	uint8_t dpphy_inst;
7183 	/**
7184 	 * Determines if SMU optimzations are enabled/disabled.
7185 	 */
7186 	uint8_t smu_optimizations_en;
7187 	/**
7188 	 * Length of each horizontal line in ns.
7189 	 */
7190 	uint32_t line_time_in_ns;
7191 	/*
7192 	 * Use FSFT afftet pixel clk
7193 	 */
7194 	uint32_t pix_clk_100hz;
7195 	/*
7196 	 * Use Original pixel clock
7197 	 */
7198 	uint32_t sink_pix_clk_100hz;
7199 	/**
7200 	 * Use for AUX-less ALPM LFPS wake operation
7201 	 */
7202 	struct dmub_alpm_auxless_data auxless_alpm_data;
7203 	/**
7204 	 * DSC Slice height.
7205 	 */
7206 	uint16_t dsc_slice_height;
7207 	/*
7208 	 * Use FSM state for Replay power up/down
7209 	 */
7210 	uint8_t use_phy_fsm;
7211 	/**
7212 	 * @hpo_stream_enc_inst: HPO stream encoder instance
7213 	 */
7214 	uint8_t hpo_stream_enc_inst;
7215 	/**
7216 	 * @hpo_link_enc_inst: HPO link encoder instance
7217 	 */
7218 	uint8_t hpo_link_enc_inst;
7219 	/*
7220 	 * Selective Update granularity needed.
7221 	 */
7222 	uint8_t su_granularity_needed;
7223 	/*
7224 	 * Horizontal granularity for Selective Update.
7225 	 */
7226 	uint16_t su_x_granularity;
7227 	/*
7228 	 * Extended caps of vertical granularity for Selective Update.
7229 	 */
7230 	uint16_t su_y_granularity_extended_caps;
7231 	/*
7232 	 * Vertical granularity for Selective Update.
7233 	 */
7234 	uint8_t su_y_granularity;
7235 	/**
7236 	 * @main_link_activity_option: Indicates main link activity option selected
7237 	 */
7238 	uint8_t main_link_activity_option;
7239 };
7240 
7241 /**
7242  * Definition of a DMUB_CMD__PR_COPY_SETTINGS command.
7243  */
7244 struct dmub_rb_cmd_pr_copy_settings {
7245 	/**
7246 	 * Command header.
7247 	 */
7248 	struct dmub_cmd_header header;
7249 	/**
7250 	 * Data passed from driver to FW in a DMUB_CMD__PR_COPY_SETTINGS command.
7251 	 */
7252 	struct dmub_cmd_pr_copy_settings_data data;
7253 };
7254 
7255 union dmub_pr_runtime_flags {
7256 	struct {
7257 		uint32_t disable_abm_optimization : 1; // Disable ABM optimization for PR
7258 	} bitfields;
7259 	uint32_t u32All;
7260 };
7261 
7262 struct dmub_cmd_pr_update_state_data {
7263 	/**
7264 	 * Panel Instance.
7265 	 * Panel isntance to identify which psr_state to use
7266 	 * Currently the support is only for 0 or 1
7267 	 */
7268 	uint8_t panel_inst;
7269 
7270 	uint8_t pad[3]; // align to 4-byte boundary
7271 	/*
7272 	 * Update flags to control the update behavior.
7273 	 */
7274 	uint32_t update_flag;
7275 	/**
7276 	 * state/data to set.
7277 	 */
7278 	uint32_t coasting_vtotal;
7279 	uint32_t sync_mode;
7280 	uint32_t pseudo_vtotal;
7281 
7282 	union dmub_pr_runtime_flags pr_runtime_flags;
7283 };
7284 
7285 struct dmub_cmd_pr_general_cmd_data {
7286 	/**
7287 	 * Panel Instance.
7288 	 * Panel isntance to identify which psr_state to use
7289 	 * Currently the support is only for 0 or 1
7290 	 */
7291 	uint8_t panel_inst;
7292 	/**
7293 	 * subtype: PR general cmd sub type
7294 	 */
7295 	uint8_t subtype;
7296 
7297 	uint8_t pad[2];
7298 	/**
7299 	 * config data by different subtypes
7300 	 */
7301 	union {
7302 		uint32_t u32All;
7303 	} data;
7304 };
7305 
7306 /**
7307  * Definition of a DMUB_CMD__PR_UPDATE_STATE command.
7308  */
7309 struct dmub_rb_cmd_pr_update_state {
7310 	/**
7311 	 * Command header.
7312 	 */
7313 	struct dmub_cmd_header header;
7314 	/**
7315 	 * Data passed from driver to FW in a DMUB_CMD__PR_UPDATE_STATE command.
7316 	 */
7317 	struct dmub_cmd_pr_update_state_data data;
7318 };
7319 
7320 /**
7321  * Definition of a DMUB_CMD__PR_GENERAL_CMD command.
7322  */
7323 struct dmub_rb_cmd_pr_general_cmd {
7324 	/**
7325 	 * Command header.
7326 	 */
7327 	struct dmub_cmd_header header;
7328 	/**
7329 	 * Data passed from driver to FW in a DMUB_CMD__PR_GENERAL_CMD command.
7330 	 */
7331 	struct dmub_cmd_pr_general_cmd_data data;
7332 };
7333 
7334 /**
7335  * Command type of a DMUB_CMD__BOOT_TIME_CRC command
7336  */
7337 enum dmub_cmd_boot_time_crc_type {
7338 	DMUB_CMD__BOOT_TIME_CRC_INIT_MEM = 0
7339 };
7340 
7341 /**
7342  * Data passed from driver to FW in a DMUB_CMD__BOOT_TIME_CRC_INIT command.
7343  */
7344 struct dmub_cmd_boot_time_crc_init_data {
7345 	union dmub_addr buffer_addr;
7346 	uint32_t buffer_size;
7347 };
7348 
7349 /**
7350  * Definition of a DMUB_CMD__BOOT_TIME_CRC_INIT command.
7351  */
7352 struct dmub_rb_cmd_boot_time_crc_init {
7353 	struct dmub_cmd_header header;
7354 	struct dmub_cmd_boot_time_crc_init_data data;
7355 };
7356 
7357 /**
7358  * union dmub_rb_cmd - DMUB inbox command.
7359  */
7360 union dmub_rb_cmd {
7361 	/**
7362 	 * Elements shared with all commands.
7363 	 */
7364 	struct dmub_rb_cmd_common cmd_common;
7365 	/**
7366 	 * Definition of a DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE command.
7367 	 */
7368 	struct dmub_rb_cmd_read_modify_write read_modify_write;
7369 	/**
7370 	 * Definition of a DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ command.
7371 	 */
7372 	struct dmub_rb_cmd_reg_field_update_sequence reg_field_update_seq;
7373 	/**
7374 	 * Definition of a DMUB_CMD__REG_SEQ_BURST_WRITE command.
7375 	 */
7376 	struct dmub_rb_cmd_burst_write burst_write;
7377 	/**
7378 	 * Definition of a DMUB_CMD__REG_REG_WAIT command.
7379 	 */
7380 	struct dmub_rb_cmd_reg_wait reg_wait;
7381 	/**
7382 	 * Definition of a DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL command.
7383 	 */
7384 	struct dmub_rb_cmd_digx_encoder_control digx_encoder_control;
7385 	/**
7386 	 * Definition of a DMUB_CMD__VBIOS_SET_PIXEL_CLOCK command.
7387 	 */
7388 	struct dmub_rb_cmd_set_pixel_clock set_pixel_clock;
7389 	/**
7390 	 * Definition of a DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING command.
7391 	 */
7392 	struct dmub_rb_cmd_enable_disp_power_gating enable_disp_power_gating;
7393 	/**
7394 	 * Definition of a DMUB_CMD__VBIOS_DPPHY_INIT command.
7395 	 */
7396 	struct dmub_rb_cmd_dpphy_init dpphy_init;
7397 	/**
7398 	 * Definition of a DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL command.
7399 	 */
7400 	struct dmub_rb_cmd_dig1_transmitter_control dig1_transmitter_control;
7401 	/**
7402 	 * Definition of a DMUB_CMD__VBIOS_DOMAIN_CONTROL command.
7403 	 */
7404 	struct dmub_rb_cmd_domain_control domain_control;
7405 	/**
7406 	 * Definition of a DMUB_CMD__PSR_SET_VERSION command.
7407 	 */
7408 	struct dmub_rb_cmd_psr_set_version psr_set_version;
7409 	/**
7410 	 * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
7411 	 */
7412 	struct dmub_rb_cmd_psr_copy_settings psr_copy_settings;
7413 	/**
7414 	 * Definition of a DMUB_CMD__PSR_ENABLE command.
7415 	 */
7416 	struct dmub_rb_cmd_psr_enable psr_enable;
7417 	/**
7418 	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
7419 	 */
7420 	struct dmub_rb_cmd_psr_set_level psr_set_level;
7421 	/**
7422 	 * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
7423 	 */
7424 	struct dmub_rb_cmd_psr_force_static psr_force_static;
7425 	/**
7426 	 * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
7427 	 */
7428 	struct dmub_rb_cmd_update_dirty_rect update_dirty_rect;
7429 	/**
7430 	 * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
7431 	 */
7432 	struct dmub_rb_cmd_update_cursor_info update_cursor_info;
7433 	/**
7434 	 * Definition of a DMUB_CMD__HW_LOCK command.
7435 	 * Command is used by driver and FW.
7436 	 */
7437 	struct dmub_rb_cmd_lock_hw lock_hw;
7438 	/**
7439 	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
7440 	 */
7441 	struct dmub_rb_cmd_psr_set_vtotal psr_set_vtotal;
7442 	/**
7443 	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
7444 	 */
7445 	struct dmub_rb_cmd_psr_set_power_opt psr_set_power_opt;
7446 	/**
7447 	 * Definition of a DMUB_CMD__PLAT_54186_WA command.
7448 	 */
7449 	struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa;
7450 	/**
7451 	 * Definition of a DMUB_CMD__MALL command.
7452 	 */
7453 	struct dmub_rb_cmd_mall mall;
7454 
7455 	/**
7456 	 * Definition of a DMUB_CMD__CAB command.
7457 	 */
7458 	struct dmub_rb_cmd_cab_for_ss cab;
7459 
7460 	struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 fw_assisted_mclk_switch_v2;
7461 
7462 	/**
7463 	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_RESTORE command.
7464 	 */
7465 	struct dmub_rb_cmd_idle_opt_dcn_restore dcn_restore;
7466 
7467 	/**
7468 	 * Definition of a DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS command.
7469 	 */
7470 	struct dmub_rb_cmd_clk_mgr_notify_clocks notify_clocks;
7471 
7472 	/**
7473 	 * Definition of DMUB_CMD__PANEL_CNTL commands.
7474 	 */
7475 	struct dmub_rb_cmd_panel_cntl panel_cntl;
7476 
7477 	/**
7478 	 * Definition of a DMUB_CMD__ABM_SET_PIPE command.
7479 	 */
7480 	struct dmub_rb_cmd_abm_set_pipe abm_set_pipe;
7481 
7482 	/**
7483 	 * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
7484 	 */
7485 	struct dmub_rb_cmd_abm_set_backlight abm_set_backlight;
7486 
7487 	/**
7488 	 * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
7489 	 */
7490 	struct dmub_rb_cmd_abm_set_level abm_set_level;
7491 
7492 	/**
7493 	 * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
7494 	 */
7495 	struct dmub_rb_cmd_abm_set_ambient_level abm_set_ambient_level;
7496 
7497 	/**
7498 	 * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
7499 	 */
7500 	struct dmub_rb_cmd_abm_set_pwm_frac abm_set_pwm_frac;
7501 
7502 	/**
7503 	 * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
7504 	 */
7505 	struct dmub_rb_cmd_abm_init_config abm_init_config;
7506 
7507 	/**
7508 	 * Definition of a DMUB_CMD__ABM_PAUSE command.
7509 	 */
7510 	struct dmub_rb_cmd_abm_pause abm_pause;
7511 
7512 	/**
7513 	 * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
7514 	 */
7515 	struct dmub_rb_cmd_abm_save_restore abm_save_restore;
7516 
7517 	/**
7518 	 * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
7519 	 */
7520 	struct dmub_rb_cmd_abm_query_caps abm_query_caps;
7521 
7522 	/**
7523 	 * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
7524 	 */
7525 	struct dmub_rb_cmd_abm_get_ace_curve abm_get_ace_curve;
7526 
7527 	/**
7528 	 * Definition of a DMUB_CMD__ABM_GET_HISTOGRAM command.
7529 	 */
7530 	struct dmub_rb_cmd_abm_get_histogram abm_get_histogram;
7531 
7532 	/**
7533 	 * Definition of a DMUB_CMD__ABM_SET_EVENT command.
7534 	 */
7535 	struct dmub_rb_cmd_abm_set_event abm_set_event;
7536 
7537 	/**
7538 	 * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
7539 	 */
7540 	struct dmub_rb_cmd_dp_aux_access dp_aux_access;
7541 
7542 	/**
7543 	 * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
7544 	 */
7545 	struct dmub_rb_cmd_outbox1_enable outbox1_enable;
7546 
7547 	/**
7548 	 * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
7549 	 */
7550 	struct dmub_rb_cmd_query_feature_caps query_feature_caps;
7551 
7552 	/**
7553 	 * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
7554 	 */
7555 	struct dmub_rb_cmd_get_visual_confirm_color visual_confirm_color;
7556 	struct dmub_rb_cmd_drr_update drr_update;
7557 	struct dmub_rb_cmd_fw_assisted_mclk_switch fw_assisted_mclk_switch;
7558 
7559 	/**
7560 	 * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
7561 	 */
7562 	struct dmub_rb_cmd_lvtma_control lvtma_control;
7563 	/**
7564 	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
7565 	 */
7566 	struct dmub_rb_cmd_transmitter_query_dp_alt query_dp_alt;
7567 	/**
7568 	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
7569 	 */
7570 	struct dmub_rb_cmd_transmitter_set_phy_fsm set_phy_fsm;
7571 	/**
7572 	 * Definition of a DMUB_CMD__DPIA_DIG1_CONTROL command.
7573 	 */
7574 	struct dmub_rb_cmd_dig1_dpia_control dig1_dpia_control;
7575 	/**
7576 	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
7577 	 */
7578 	struct dmub_rb_cmd_set_config_access set_config_access; // (deprecated)
7579 	/**
7580 	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
7581 	 */
7582 	struct dmub_rb_cmd_set_config_request set_config_request;
7583 	/**
7584 	 * Definition of a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
7585 	 */
7586 	struct dmub_rb_cmd_set_mst_alloc_slots set_mst_alloc_slots;
7587 	/**
7588 	 * Definition of a DMUB_CMD__DPIA_SET_TPS_NOTIFICATION command.
7589 	 */
7590 	struct dmub_rb_cmd_set_tps_notification set_tps_notification;
7591 	/**
7592 	 * Definition of a DMUB_CMD__EDID_CEA command.
7593 	 */
7594 	struct dmub_rb_cmd_edid_cea edid_cea;
7595 	/**
7596 	 * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command.
7597 	 */
7598 	struct dmub_rb_cmd_get_usbc_cable_id cable_id;
7599 
7600 	/**
7601 	 * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
7602 	 */
7603 	struct dmub_rb_cmd_query_hpd_state query_hpd;
7604 	/**
7605 	 * Definition of a DMUB_CMD__SECURE_DISPLAY command.
7606 	 */
7607 	struct dmub_rb_cmd_secure_display secure_display;
7608 
7609 	/**
7610 	 * Definition of a DMUB_CMD__DPIA_HPD_INT_ENABLE command.
7611 	 */
7612 	struct dmub_rb_cmd_dpia_hpd_int_enable dpia_hpd_int_enable;
7613 
7614 	/**
7615 	 * Definition of a DMUB_CMD__CACP_SET_PIPE command.
7616 	 */
7617 	struct dmub_rb_cmd_cacp_set_pipe cacp_set_pipe;
7618 
7619 	/**
7620 	 * Definition of a DMUB_CMD__CACP_SET_LEVEL command.
7621 	 */
7622 	struct dmub_rb_cmd_cacp_set_level cacp_set_level;
7623 
7624 	/**
7625 	 * Definition of a DMUB_CMD__CACP_SET_EVENT command.
7626 	 */
7627 	struct dmub_rb_cmd_cacp_set_event cacp_set_event;
7628 
7629 	/**
7630 	 * Definition of a DMUB_CMD__CACP_INIT_CONFIG command.
7631 	 */
7632 	struct dmub_rb_cmd_cacp_init_config cacp_init_config;
7633 
7634 	/**
7635 	 * Definition of a DMUB_CMD__CACP_PAUSE command.
7636 	 */
7637 	struct dmub_rb_cmd_cacp_pause cacp_pause;
7638 
7639 	/**
7640 	 * Definition of a DMUB_CMD__CACP_SET_BACKLIGHT command.
7641 	 */
7642 	struct dmub_rb_cmd_cacp_set_backlight cacp_set_backlight;
7643 
7644 	/**
7645 	 * Definition of a DMUB_CMD__CACP_SET_PWM_FRAC command.
7646 	 */
7647 	struct dmub_rb_cmd_cacp_set_pwm_frac cacp_set_pwm_frac;
7648 
7649 	/**
7650 	 * Definition of a DMUB_CMD__CACP_GET_HISTOGRAM command.
7651 	 */
7652 	struct dmub_rb_cmd_cacp_get_histogram cacp_get_histogram;
7653 
7654 	/**
7655 	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
7656 	 */
7657 	struct dmub_rb_cmd_idle_opt_dcn_notify_idle idle_opt_notify_idle;
7658 	/**
7659 	 * Definition of a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command.
7660 	 */
7661 	struct dmub_rb_cmd_idle_opt_set_dc_power_state idle_opt_set_dc_power_state;
7662 	/*
7663 	 * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
7664 	 */
7665 	struct dmub_rb_cmd_replay_copy_settings replay_copy_settings;
7666 	/**
7667 	 * Definition of a DMUB_CMD__REPLAY_ENABLE command.
7668 	 */
7669 	struct dmub_rb_cmd_replay_enable replay_enable;
7670 	/**
7671 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
7672 	 */
7673 	struct dmub_rb_cmd_replay_set_power_opt replay_set_power_opt;
7674 	/**
7675 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
7676 	 */
7677 	struct dmub_rb_cmd_replay_set_coasting_vtotal replay_set_coasting_vtotal;
7678 	/**
7679 	 * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
7680 	 */
7681 	struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal replay_set_power_opt_and_coasting_vtotal;
7682 
7683 	struct dmub_rb_cmd_replay_set_timing_sync replay_set_timing_sync;
7684 	/**
7685 	 * Definition of a DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
7686 	 */
7687 	struct dmub_rb_cmd_replay_set_frameupdate_timer replay_set_frameupdate_timer;
7688 	/**
7689 	 * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
7690 	 */
7691 	struct dmub_rb_cmd_replay_set_pseudo_vtotal replay_set_pseudo_vtotal;
7692 	/**
7693 	 * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
7694 	 */
7695 	struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp replay_disabled_adaptive_sync_sdp;
7696 	/**
7697 	 * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
7698 	 */
7699 	struct dmub_rb_cmd_replay_set_general_cmd replay_set_general_cmd;
7700 	/**
7701 	 * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
7702 	 */
7703 	struct dmub_rb_cmd_assr_enable assr_enable;
7704 
7705 	struct dmub_rb_cmd_fams2 fams2_config;
7706 
7707 	struct dmub_rb_cmd_ib ib_fams2_config;
7708 
7709 	struct dmub_rb_cmd_ib ib_fams2_debug_meta;
7710 
7711 	struct dmub_rb_cmd_fams2_drr_update fams2_drr_update;
7712 
7713 	struct dmub_rb_cmd_fams2_flip fams2_flip;
7714 
7715 	struct dmub_rb_cmd_fused_io fused_io;
7716 
7717 	/**
7718 	 * Definition of a DMUB_CMD__LSDMA command.
7719 	 */
7720 	struct dmub_rb_cmd_lsdma lsdma;
7721 
7722 	struct dmub_rb_cmd_ips_residency_cntl ips_residency_cntl;
7723 
7724 	struct dmub_rb_cmd_ips_query_residency_info ips_query_residency_info;
7725 	/**
7726 	 * Definition of a DMUB_CMD__CURSOR_OFFLOAD_INIT command.
7727 	 */
7728 	struct dmub_rb_cmd_cursor_offload_init cursor_offload_init;
7729 	/**
7730 	 * Definition of a DMUB_CMD__CURSOR_OFFLOAD control commands.
7731 	 * - DMUB_CMD__CURSOR_OFFLOAD_STREAM_ENABLE
7732 	 * - DMUB_CMD__CURSOR_OFFLOAD_STREAM_DISABLE
7733 	 * - DMUB_CMD__CURSOR_OFFLOAD_STREAM_PROGRAM
7734 	 * - DMUB_CMD__CURSOR_OFFLOAD_STREAM_UPDATE_DRR
7735 	 */
7736 	struct dmub_rb_cmd_cursor_offload_stream_cntl cursor_offload_stream_ctnl;
7737 	/**
7738 	 * Definition of a DMUB_CMD__SMART_POWER_OLED_ENABLE command.
7739 	 */
7740 	struct dmub_rb_cmd_smart_power_oled_enable smart_power_oled_enable;
7741 	/**
7742 	 * Definition of a DMUB_CMD__DMUB_CMD__SMART_POWER_OLED_GETMAXCLL command.
7743 	 */
7744 	struct dmub_rb_cmd_smart_power_oled_getmaxcll smart_power_oled_getmaxcll;
7745 	/*
7746 	 * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
7747 	 */
7748 	struct dmub_rb_cmd_pr_copy_settings pr_copy_settings;
7749 	/**
7750 	 * Definition of a DMUB_CMD__REPLAY_ENABLE command.
7751 	 */
7752 	struct dmub_rb_cmd_pr_enable pr_enable;
7753 
7754 	struct dmub_rb_cmd_pr_update_state pr_update_state;
7755 
7756 	struct dmub_rb_cmd_pr_general_cmd pr_general_cmd;
7757 	/**
7758 	 * Definition of a DMUB_CMD__IHC command.
7759 	 */
7760 	struct dmub_rb_cmd_ihc ihc;
7761 	/**
7762 	 * Definition of a DMUB_CMD__BOOT_TIME_CRC_INIT command.
7763 	 */
7764 	struct dmub_rb_cmd_boot_time_crc_init boot_time_crc_init;
7765 };
7766 
7767 /**
7768  * union dmub_rb_out_cmd - Outbox command
7769  */
7770 union dmub_rb_out_cmd {
7771 	/**
7772 	 * Parameters common to every command.
7773 	 */
7774 	struct dmub_rb_cmd_common cmd_common;
7775 	/**
7776 	 * AUX reply command.
7777 	 */
7778 	struct dmub_rb_cmd_dp_aux_reply dp_aux_reply;
7779 	/**
7780 	 * HPD notify command.
7781 	 */
7782 	struct dmub_rb_cmd_dp_hpd_notify dp_hpd_notify;
7783 	/**
7784 	 * SET_CONFIG reply command.
7785 	 */
7786 	struct dmub_rb_cmd_dp_set_config_reply set_config_reply;
7787 	/**
7788 	 * DPIA notification command.
7789 	 */
7790 	struct dmub_rb_cmd_dpia_notification dpia_notification;
7791 	/**
7792 	 * HPD sense notification command.
7793 	 */
7794 	struct dmub_rb_cmd_hpd_sense_notify hpd_sense_notify;
7795 	struct dmub_rb_cmd_fused_io fused_io;
7796 };
7797 #pragma pack(pop)
7798 
7799 
7800 //==============================================================================
7801 //</DMUB_CMD>===================================================================
7802 //==============================================================================
7803 //< DMUB_RB>====================================================================
7804 //==============================================================================
7805 
7806 /**
7807  * struct dmub_rb_init_params - Initialization params for DMUB ringbuffer
7808  */
7809 struct dmub_rb_init_params {
7810 	void *ctx; /**< Caller provided context pointer */
7811 	void *base_address; /**< CPU base address for ring's data */
7812 	uint32_t capacity; /**< Ringbuffer capacity in bytes */
7813 	uint32_t read_ptr; /**< Initial read pointer for consumer in bytes */
7814 	uint32_t write_ptr; /**< Initial write pointer for producer in bytes */
7815 };
7816 
7817 /**
7818  * struct dmub_rb - Inbox or outbox DMUB ringbuffer
7819  */
7820 struct dmub_rb {
7821 	void *base_address; /**< CPU address for the ring's data */
7822 	uint32_t rptr; /**< Read pointer for consumer in bytes */
7823 	uint32_t wrpt; /**< Write pointer for producer in bytes */
7824 	uint32_t capacity; /**< Ringbuffer capacity in bytes */
7825 
7826 	void *ctx; /**< Caller provided context pointer */
7827 	void *dmub; /**< Pointer to the DMUB interface */
7828 };
7829 
7830 /**
7831  * @brief Checks if the ringbuffer is empty.
7832  *
7833  * @param rb DMUB Ringbuffer
7834  * @return true if empty
7835  * @return false otherwise
7836  */
7837 static inline bool dmub_rb_empty(struct dmub_rb *rb)
7838 {
7839 	return (rb->wrpt == rb->rptr);
7840 }
7841 
7842 /**
7843  * @brief gets number of outstanding requests in the RB
7844  *
7845  * @param rb DMUB Ringbuffer
7846  * @return true if full
7847  */
7848 static inline uint32_t dmub_rb_num_outstanding(struct dmub_rb *rb)
7849 {
7850 	uint32_t data_count;
7851 
7852 	if (rb->wrpt >= rb->rptr)
7853 		data_count = rb->wrpt - rb->rptr;
7854 	else
7855 		data_count = rb->capacity - (rb->rptr - rb->wrpt);
7856 
7857 	return data_count / DMUB_RB_CMD_SIZE;
7858 }
7859 
7860 /**
7861  * @brief gets number of free buffers in the RB
7862  *
7863  * @param rb DMUB Ringbuffer
7864  * @return true if full
7865  */
7866 static inline uint32_t dmub_rb_num_free(struct dmub_rb *rb)
7867 {
7868 	uint32_t data_count;
7869 
7870 	if (rb->wrpt >= rb->rptr)
7871 		data_count = rb->wrpt - rb->rptr;
7872 	else
7873 		data_count = rb->capacity - (rb->rptr - rb->wrpt);
7874 
7875 	/* +1 because 1 entry is always unusable */
7876 	data_count += DMUB_RB_CMD_SIZE;
7877 
7878 	return (rb->capacity - data_count) / DMUB_RB_CMD_SIZE;
7879 }
7880 
7881 /**
7882  * @brief Checks if the ringbuffer is full
7883  *
7884  * @param rb DMUB Ringbuffer
7885  * @return true if full
7886  * @return false otherwise
7887  */
7888 static inline bool dmub_rb_full(struct dmub_rb *rb)
7889 {
7890 	uint32_t data_count;
7891 
7892 	if (rb->wrpt >= rb->rptr)
7893 		data_count = rb->wrpt - rb->rptr;
7894 	else
7895 		data_count = rb->capacity - (rb->rptr - rb->wrpt);
7896 
7897 	/* -1 because 1 entry is always unusable */
7898 	return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE));
7899 }
7900 
7901 /**
7902  * @brief Pushes a command into the ringbuffer
7903  *
7904  * @param rb DMUB ringbuffer
7905  * @param cmd The command to push
7906  * @return true if the ringbuffer was not full
7907  * @return false otherwise
7908  */
7909 static inline bool dmub_rb_push_front(struct dmub_rb *rb,
7910 				      const union dmub_rb_cmd *cmd)
7911 {
7912 	uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt;
7913 	const uint8_t *src = (const uint8_t *)cmd;
7914 	uint8_t i;
7915 
7916 	if (rb->capacity == 0)
7917 		return false;
7918 
7919 	if (dmub_rb_full(rb))
7920 		return false;
7921 
7922 	// copying data
7923 	for (i = 0; i < DMUB_RB_CMD_SIZE; i++)
7924 		*dst++ = *src++;
7925 
7926 	rb->wrpt += DMUB_RB_CMD_SIZE;
7927 
7928 	if (rb->wrpt >= rb->capacity)
7929 		rb->wrpt %= rb->capacity;
7930 
7931 	return true;
7932 }
7933 
7934 /**
7935  * @brief Pushes a command into the DMUB outbox ringbuffer
7936  *
7937  * @param rb DMUB outbox ringbuffer
7938  * @param cmd Outbox command
7939  * @return true if not full
7940  * @return false otherwise
7941  */
7942 static inline bool dmub_rb_out_push_front(struct dmub_rb *rb,
7943 				      const union dmub_rb_out_cmd *cmd)
7944 {
7945 	uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt;
7946 	const uint8_t *src = (const uint8_t *)cmd;
7947 
7948 	if (rb->capacity == 0)
7949 		return false;
7950 
7951 	if (dmub_rb_full(rb))
7952 		return false;
7953 
7954 	dmub_memcpy(dst, src, DMUB_RB_CMD_SIZE);
7955 
7956 	rb->wrpt += DMUB_RB_CMD_SIZE;
7957 
7958 	if (rb->wrpt >= rb->capacity)
7959 		rb->wrpt %= rb->capacity;
7960 
7961 	return true;
7962 }
7963 
7964 /**
7965  * @brief Returns the next unprocessed command in the ringbuffer.
7966  *
7967  * @param rb DMUB ringbuffer
7968  * @param cmd The command to return
7969  * @return true if not empty
7970  * @return false otherwise
7971  */
7972 static inline bool dmub_rb_front(struct dmub_rb *rb,
7973 				 union dmub_rb_cmd  **cmd)
7974 {
7975 	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rb->rptr;
7976 
7977 	if (dmub_rb_empty(rb))
7978 		return false;
7979 
7980 	*cmd = (union dmub_rb_cmd *)rb_cmd;
7981 
7982 	return true;
7983 }
7984 
7985 /**
7986  * @brief Determines the next ringbuffer offset.
7987  *
7988  * @param rb DMUB inbox ringbuffer
7989  * @param num_cmds Number of commands
7990  * @param next_rptr The next offset in the ringbuffer
7991  */
7992 static inline void dmub_rb_get_rptr_with_offset(struct dmub_rb *rb,
7993 				  uint32_t num_cmds,
7994 				  uint32_t *next_rptr)
7995 {
7996 	if (rb->capacity == 0)
7997 		return;
7998 
7999 	*next_rptr = rb->rptr + DMUB_RB_CMD_SIZE * num_cmds;
8000 
8001 	if (*next_rptr >= rb->capacity)
8002 		*next_rptr %= rb->capacity;
8003 }
8004 
8005 /**
8006  * @brief Returns a pointer to a command in the inbox.
8007  *
8008  * @param rb DMUB inbox ringbuffer
8009  * @param cmd The inbox command to return
8010  * @param rptr The ringbuffer offset
8011  * @return true if not empty
8012  * @return false otherwise
8013  */
8014 static inline bool dmub_rb_peek_offset(struct dmub_rb *rb,
8015 				 union dmub_rb_cmd  **cmd,
8016 				 uint32_t rptr)
8017 {
8018 	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rptr;
8019 
8020 	if (dmub_rb_empty(rb))
8021 		return false;
8022 
8023 	*cmd = (union dmub_rb_cmd *)rb_cmd;
8024 
8025 	return true;
8026 }
8027 
8028 /**
8029  * @brief Returns the next unprocessed command in the outbox.
8030  *
8031  * @param rb DMUB outbox ringbuffer
8032  * @param cmd The outbox command to return
8033  * @return true if not empty
8034  * @return false otherwise
8035  */
8036 static inline bool dmub_rb_out_front(struct dmub_rb *rb,
8037 				 union dmub_rb_out_cmd *cmd)
8038 {
8039 	const uint64_t volatile *src = (const uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->rptr);
8040 	uint64_t *dst = (uint64_t *)cmd;
8041 	uint8_t i;
8042 
8043 	if (dmub_rb_empty(rb))
8044 		return false;
8045 
8046 	// copying data
8047 	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
8048 		*dst++ = *src++;
8049 
8050 	return true;
8051 }
8052 
8053 /**
8054  * @brief Removes the front entry in the ringbuffer.
8055  *
8056  * @param rb DMUB ringbuffer
8057  * @return true if the command was removed
8058  * @return false if there were no commands
8059  */
8060 static inline bool dmub_rb_pop_front(struct dmub_rb *rb)
8061 {
8062 	if (rb->capacity == 0)
8063 		return false;
8064 
8065 	if (dmub_rb_empty(rb))
8066 		return false;
8067 
8068 	rb->rptr += DMUB_RB_CMD_SIZE;
8069 
8070 	if (rb->rptr >= rb->capacity)
8071 		rb->rptr %= rb->capacity;
8072 
8073 	return true;
8074 }
8075 
8076 /**
8077  * @brief Flushes commands in the ringbuffer to framebuffer memory.
8078  *
8079  * Avoids a race condition where DMCUB accesses memory while
8080  * there are still writes in flight to framebuffer.
8081  *
8082  * @param rb DMUB ringbuffer
8083  */
8084 static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
8085 {
8086 	uint32_t rptr = rb->rptr;
8087 	uint32_t wptr = rb->wrpt;
8088 
8089 	if (rb->capacity == 0)
8090 		return;
8091 
8092 	while (rptr != wptr) {
8093 		uint64_t *data = (uint64_t *)((uint8_t *)(rb->base_address) + rptr);
8094 		uint8_t i;
8095 
8096 		for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
8097 			(void)READ_ONCE(*data++);
8098 
8099 		rptr += DMUB_RB_CMD_SIZE;
8100 		if (rptr >= rb->capacity)
8101 			rptr %= rb->capacity;
8102 	}
8103 }
8104 
8105 /**
8106  * @brief Initializes a DMCUB ringbuffer
8107  *
8108  * @param rb DMUB ringbuffer
8109  * @param init_params initial configuration for the ringbuffer
8110  */
8111 static inline void dmub_rb_init(struct dmub_rb *rb,
8112 				struct dmub_rb_init_params *init_params)
8113 {
8114 	rb->base_address = init_params->base_address;
8115 	rb->capacity = init_params->capacity;
8116 	rb->rptr = init_params->read_ptr;
8117 	rb->wrpt = init_params->write_ptr;
8118 }
8119 
8120 /**
8121  * @brief Copies output data from in/out commands into the given command.
8122  *
8123  * @param rb DMUB ringbuffer
8124  * @param cmd Command to copy data into
8125  */
8126 static inline void dmub_rb_get_return_data(struct dmub_rb *rb,
8127 					   union dmub_rb_cmd *cmd)
8128 {
8129 	// Copy rb entry back into command
8130 	uint8_t *rd_ptr = (rb->rptr == 0) ?
8131 		(uint8_t *)rb->base_address + rb->capacity - DMUB_RB_CMD_SIZE :
8132 		(uint8_t *)rb->base_address + rb->rptr - DMUB_RB_CMD_SIZE;
8133 
8134 	dmub_memcpy(cmd, rd_ptr, DMUB_RB_CMD_SIZE);
8135 }
8136 
8137 //==============================================================================
8138 //</DMUB_RB>====================================================================
8139 //==============================================================================
8140 #endif /* _DMUB_CMD_H_ */
8141