xref: /linux/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h (revision 92d6295a29dba56148406a8452c69ab49787741b)
1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef DMUB_CMD_H
27 #define DMUB_CMD_H
28 
29 #include <asm/byteorder.h>
30 #include <linux/types.h>
31 #include <linux/string.h>
32 #include <linux/delay.h>
33 
34 #include "atomfirmware.h"
35 
36 //<DMUB_TYPES>==================================================================
37 /* Basic type definitions. */
38 
39 #ifdef __forceinline
40 #undef __forceinline
41 #endif
42 #define __forceinline inline
43 
44 /**
45  * Flag from driver to indicate that ABM should be disabled gradually
46  * by slowly reversing all backlight programming and pixel compensation.
47  */
48 #define SET_ABM_PIPE_GRADUALLY_DISABLE           0
49 
50 /**
51  * Flag from driver to indicate that ABM should be disabled immediately
52  * and undo all backlight programming and pixel compensation.
53  */
54 #define SET_ABM_PIPE_IMMEDIATELY_DISABLE         255
55 
56 /**
57  * Flag from driver to indicate that ABM should be disabled immediately
58  * and keep the current backlight programming and pixel compensation.
59  */
60 #define SET_ABM_PIPE_IMMEDIATE_KEEP_GAIN_DISABLE 254
61 
62 /**
63  * Flag from driver to set the current ABM pipe index or ABM operating level.
64  */
65 #define SET_ABM_PIPE_NORMAL                      1
66 
67 /**
68  * Number of ambient light levels in ABM algorithm.
69  */
70 #define NUM_AMBI_LEVEL                  5
71 
72 /**
73  * Number of operating/aggression levels in ABM algorithm.
74  */
75 #define NUM_AGGR_LEVEL                  4
76 
77 /**
78  * Number of segments in the gamma curve.
79  */
80 #define NUM_POWER_FN_SEGS               8
81 
82 /**
83  * Number of segments in the backlight curve.
84  */
85 #define NUM_BL_CURVE_SEGS               16
86 
87 /**
88  * Maximum number of segments in ABM ACE curve.
89  */
90 #define ABM_MAX_NUM_OF_ACE_SEGMENTS         64
91 
92 /**
93  * Maximum number of bins in ABM histogram.
94  */
95 #define ABM_MAX_NUM_OF_HG_BINS              64
96 
97 /* Maximum number of SubVP streams */
98 #define DMUB_MAX_SUBVP_STREAMS 2
99 
100 /* Define max FPO streams as 4 for now. Current implementation today
101  * only supports 1, but could be more in the future. Reduce array
102  * size to ensure the command size remains less than 64 bytes if
103  * adding new fields.
104  */
105 #define DMUB_MAX_FPO_STREAMS 4
106 
107 /* Define to ensure that the "common" members always appear in the same
108  * order in different structs for back compat purposes
109  */
110 #define COMMON_STREAM_STATIC_SUB_STATE \
111     struct dmub_fams2_cmd_legacy_stream_static_state legacy; \
112     struct dmub_fams2_cmd_subvp_stream_static_state subvp; \
113     struct dmub_fams2_cmd_drr_stream_static_state drr;
114 
115 /* Maximum number of streams on any ASIC. */
116 #define DMUB_MAX_STREAMS 6
117 
118 /* Maximum number of planes on any ASIC. */
119 #define DMUB_MAX_PLANES 6
120 
121 /* Maximum number of phantom planes on any ASIC */
122 #define DMUB_MAX_PHANTOM_PLANES ((DMUB_MAX_PLANES) / 2)
123 
124 /* Trace buffer offset for entry */
125 #define TRACE_BUFFER_ENTRY_OFFSET 16
126 
127 /**
128  * Maximum number of dirty rects supported by FW.
129  */
130 #define DMUB_MAX_DIRTY_RECTS 3
131 
132 /**
133  *
134  * PSR control version legacy
135  */
136 #define DMUB_CMD_PSR_CONTROL_VERSION_UNKNOWN 0x0
137 /**
138  * PSR control version with multi edp support
139  */
140 #define DMUB_CMD_PSR_CONTROL_VERSION_1 0x1
141 
142 
143 /**
144  * ABM control version legacy
145  */
146 #define DMUB_CMD_ABM_CONTROL_VERSION_UNKNOWN 0x0
147 
148 /**
149  * ABM control version with multi edp support
150  */
151 #define DMUB_CMD_ABM_CONTROL_VERSION_1 0x1
152 
153 /**
154  * Physical framebuffer address location, 64-bit.
155  */
156 #ifndef PHYSICAL_ADDRESS_LOC
157 #define PHYSICAL_ADDRESS_LOC union large_integer
158 #endif
159 
160 /**
161  * OS/FW agnostic memcpy
162  */
163 #ifndef dmub_memcpy
164 #define dmub_memcpy(dest, source, bytes) memcpy((dest), (source), (bytes))
165 #endif
166 
167 /**
168  * OS/FW agnostic memset
169  */
170 #ifndef dmub_memset
171 #define dmub_memset(dest, val, bytes) memset((dest), (val), (bytes))
172 #endif
173 
174 /**
175  * OS/FW agnostic memcmp
176  */
177 #ifndef dmub_memcmp
178 #define dmub_memcmp(lhs, rhs, bytes) memcmp((lhs), (rhs), (bytes))
179 #endif
180 
181 /**
182  * OS/FW agnostic udelay
183  */
184 #ifndef dmub_udelay
185 #define dmub_udelay(microseconds) udelay(microseconds)
186 #endif
187 
188 #pragma pack(push, 1)
189 #define ABM_NUM_OF_ACE_SEGMENTS         5
190 
191 /**
192  * Debug FW state offset
193  */
194 #define DMUB_DEBUG_FW_STATE_OFFSET 0x300
195 
196 union abm_flags {
197 	struct {
198 		/**
199 		 * @abm_enabled: Indicates if ABM is enabled.
200 		 */
201 		unsigned int abm_enabled : 1;
202 
203 		/**
204 		 * @disable_abm_requested: Indicates if driver has requested ABM to be disabled.
205 		 */
206 		unsigned int disable_abm_requested : 1;
207 
208 		/**
209 		 * @disable_abm_immediately: Indicates if driver has requested ABM to be disabled immediately.
210 		 */
211 		unsigned int disable_abm_immediately : 1;
212 
213 		/**
214 		 * @disable_abm_immediate_keep_gain: Indicates if driver has requested ABM
215 		 * to be disabled immediately and keep gain.
216 		 */
217 		unsigned int disable_abm_immediate_keep_gain : 1;
218 
219 		/**
220 		 * @fractional_pwm: Indicates if fractional duty cycle for backlight PWM is enabled.
221 		 */
222 		unsigned int fractional_pwm : 1;
223 
224 		/**
225 		 * @abm_gradual_bl_change: Indicates if algorithm has completed gradual adjustment
226 		 * of user backlight level.
227 		 */
228 		unsigned int abm_gradual_bl_change : 1;
229 
230 		/**
231 		 * @abm_new_frame: Indicates if a new frame update needed for ABM to ramp up into steady
232 		 */
233 		unsigned int abm_new_frame : 1;
234 
235 		/**
236 		 * @vb_scaling_enabled: Indicates variBright Scaling Enable
237 		 */
238 		unsigned int vb_scaling_enabled : 1;
239 	} bitfields;
240 
241 	unsigned int u32All;
242 };
243 
244 struct abm_save_restore {
245 	/**
246 	 * @flags: Misc. ABM flags.
247 	 */
248 	union abm_flags flags;
249 
250 	/**
251 	 * @pause: true:  pause ABM and get state
252 	 *         false: unpause ABM after setting state
253 	 */
254 	uint32_t pause;
255 
256 	/**
257 	 * @next_ace_slope: Next ACE slopes to be programmed in HW (u3.13)
258 	 */
259 	uint32_t next_ace_slope[ABM_NUM_OF_ACE_SEGMENTS];
260 
261 	/**
262 	 * @next_ace_thresh: Next ACE thresholds to be programmed in HW (u10.6)
263 	 */
264 	uint32_t next_ace_thresh[ABM_NUM_OF_ACE_SEGMENTS];
265 
266 	/**
267 	 * @next_ace_offset: Next ACE offsets to be programmed in HW (u10.6)
268 	 */
269 	uint32_t next_ace_offset[ABM_NUM_OF_ACE_SEGMENTS];
270 
271 
272 	/**
273 	 * @knee_threshold: Current x-position of ACE knee (u0.16).
274 	 */
275 	uint32_t knee_threshold;
276 	/**
277 	 * @current_gain: Current backlight reduction (u16.16).
278 	 */
279 	uint32_t current_gain;
280 	/**
281 	 * @curr_bl_level: Current actual backlight level converging to target backlight level.
282 	 */
283 	uint16_t curr_bl_level;
284 
285 	/**
286 	 * @curr_user_bl_level: Current nominal backlight level converging to level requested by user.
287 	 */
288 	uint16_t curr_user_bl_level;
289 
290 };
291 
292 /**
293  * union dmub_addr - DMUB physical/virtual 64-bit address.
294  */
295 union dmub_addr {
296 	struct {
297 		uint32_t low_part; /**< Lower 32 bits */
298 		uint32_t high_part; /**< Upper 32 bits */
299 	} u; /*<< Low/high bit access */
300 	uint64_t quad_part; /*<< 64 bit address */
301 };
302 
303 /* Flattened structure containing SOC BB parameters stored in the VBIOS
304  * It is not practical to store the entire bounding box in VBIOS since the bounding box struct can gain new parameters.
305  * This also prevents alighment issues when new parameters are added to the SoC BB.
306  * The following parameters should be added since these values can't be obtained elsewhere:
307  * -dml2_soc_power_management_parameters
308  * -dml2_soc_vmin_clock_limits
309  */
310 struct dmub_soc_bb_params {
311 	uint32_t dram_clk_change_blackout_ns;
312 	uint32_t dram_clk_change_read_only_ns;
313 	uint32_t dram_clk_change_write_only_ns;
314 	uint32_t fclk_change_blackout_ns;
315 	uint32_t g7_ppt_blackout_ns;
316 	uint32_t stutter_enter_plus_exit_latency_ns;
317 	uint32_t stutter_exit_latency_ns;
318 	uint32_t z8_stutter_enter_plus_exit_latency_ns;
319 	uint32_t z8_stutter_exit_latency_ns;
320 	uint32_t z8_min_idle_time_ns;
321 	uint32_t type_b_dram_clk_change_blackout_ns;
322 	uint32_t type_b_ppt_blackout_ns;
323 	uint32_t vmin_limit_dispclk_khz;
324 	uint32_t vmin_limit_dcfclk_khz;
325 	uint32_t g7_temperature_read_blackout_ns;
326 };
327 #pragma pack(pop)
328 
329 /**
330  * Dirty rect definition.
331  */
332 struct dmub_rect {
333 	/**
334 	 * Dirty rect x offset.
335 	 */
336 	uint32_t x;
337 
338 	/**
339 	 * Dirty rect y offset.
340 	 */
341 	uint32_t y;
342 
343 	/**
344 	 * Dirty rect width.
345 	 */
346 	uint32_t width;
347 
348 	/**
349 	 * Dirty rect height.
350 	 */
351 	uint32_t height;
352 };
353 
354 /**
355  * Flags that can be set by driver to change some PSR behaviour.
356  */
357 union dmub_psr_debug_flags {
358 	/**
359 	 * Debug flags.
360 	 */
361 	struct {
362 		/**
363 		 * Enable visual confirm in FW.
364 		 */
365 		uint32_t visual_confirm : 1;
366 
367 		/**
368 		 * Force all selective updates to bw full frame updates.
369 		 */
370 		uint32_t force_full_frame_update : 1;
371 
372 		/**
373 		 * Use HW Lock Mgr object to do HW locking in FW.
374 		 */
375 		uint32_t use_hw_lock_mgr : 1;
376 
377 		/**
378 		 * Use TPS3 signal when restore main link.
379 		 */
380 		uint32_t force_wakeup_by_tps3 : 1;
381 
382 		/**
383 		 * Back to back flip, therefore cannot power down PHY
384 		 */
385 		uint32_t back_to_back_flip : 1;
386 
387 		/**
388 		 * Enable visual confirm for IPS
389 		 */
390 		uint32_t enable_ips_visual_confirm : 1;
391 	} bitfields;
392 
393 	/**
394 	 * Union for debug flags.
395 	 */
396 	uint32_t u32All;
397 };
398 
399 /**
400  * Flags that can be set by driver to change some Replay behaviour.
401  */
402 union replay_debug_flags {
403 	struct {
404 		/**
405 		 * 0x1 (bit 0)
406 		 * Enable visual confirm in FW.
407 		 */
408 		uint32_t visual_confirm : 1;
409 
410 		/**
411 		 * 0x2 (bit 1)
412 		 * @skip_crc: Set if need to skip CRC.
413 		 */
414 		uint32_t skip_crc : 1;
415 
416 		/**
417 		 * 0x4 (bit 2)
418 		 * @force_link_power_on: Force disable ALPM control
419 		 */
420 		uint32_t force_link_power_on : 1;
421 
422 		/**
423 		 * 0x8 (bit 3)
424 		 * @force_phy_power_on: Force phy power on
425 		 */
426 		uint32_t force_phy_power_on : 1;
427 
428 		/**
429 		 * 0x10 (bit 4)
430 		 * @timing_resync_disabled: Disabled Replay normal sleep mode timing resync
431 		 */
432 		uint32_t timing_resync_disabled : 1;
433 
434 		/**
435 		 * 0x20 (bit 5)
436 		 * @skip_crtc_disabled: CRTC disable skipped
437 		 */
438 		uint32_t skip_crtc_disabled : 1;
439 
440 		/**
441 		 * 0x40 (bit 6)
442 		 * @force_defer_one_frame_update: Force defer one frame update in ultra sleep mode
443 		 */
444 		uint32_t force_defer_one_frame_update : 1;
445 
446 		/**
447 		 * 0x80 (bit 7)
448 		 * @disable_delay_alpm_on: Force disable delay alpm on
449 		 */
450 		uint32_t disable_delay_alpm_on : 1;
451 
452 		/**
453 		 * 0x100 (bit 8)
454 		 * @disable_desync_error_check: Force disable desync error check
455 		 */
456 		uint32_t disable_desync_error_check : 1;
457 
458 		/**
459 		 * 0x200 (bit 9)
460 		 * @force_self_update_when_abm_non_steady: Force self update if abm is not steady
461 		 */
462 		uint32_t force_self_update_when_abm_non_steady : 1;
463 
464 		/**
465 		 * 0x400 (bit 10)
466 		 * @enable_ips_visual_confirm: Enable IPS visual confirm when entering IPS
467 		 * If we enter IPS2, the Visual confirm bar will change to yellow
468 		 */
469 		uint32_t enable_ips_visual_confirm : 1;
470 
471 		/**
472 		 * 0x800 (bit 11)
473 		 * @enable_ips_residency_profiling: Enable IPS residency profiling
474 		 */
475 		uint32_t enable_ips_residency_profiling : 1;
476 
477 		/**
478 		 * 0x1000 (bit 12)
479 		 * @enable_coasting_vtotal_check: Enable Coasting_vtotal_check
480 		 */
481 		uint32_t enable_coasting_vtotal_check : 1;
482 		/**
483 		 * 0x2000 (bit 13)
484 		 * @enable_visual_confirm_debug: Enable Visual Confirm Debug
485 		 */
486 		uint32_t enable_visual_confirm_debug : 1;
487 
488 		uint32_t reserved : 18;
489 	} bitfields;
490 
491 	uint32_t u32All;
492 };
493 
494 /**
495  * Flags record error state.
496  */
497 union replay_visual_confirm_error_state_flags {
498 	struct {
499 		/**
500 		 * 0x1 (bit 0) - Desync Error flag.
501 		 */
502 		uint32_t desync_error : 1;
503 
504 		/**
505 		 * 0x2 (bit 1) - State Transition Error flag.
506 		 */
507 		uint32_t state_transition_error : 1;
508 
509 		/**
510 		 * 0x4 (bit 2) - Crc Error flag
511 		 */
512 		uint32_t crc_error : 1;
513 
514 		/**
515 		 * 0x8 (bit 3) - Reserved
516 		 */
517 		uint32_t reserved_3 : 1;
518 
519 		/**
520 		 * 0x10 (bit 4) - Incorrect Coasting vtotal checking --> use debug flag to control DPCD write.
521 		 * Added new debug flag to control DPCD.
522 		 */
523 		uint32_t incorrect_vtotal_in_static_screen : 1;
524 
525 		/**
526 		 * 0x20 (bit 5) - No doubled Refresh Rate.
527 		 */
528 		uint32_t no_double_rr : 1;
529 
530 		/**
531 		 * Reserved bit 6-7
532 		 */
533 		uint32_t reserved_6_7 : 2;
534 
535 		/**
536 		 * Reserved bit 9-31
537 		 */
538 		uint32_t reserved_9_31 : 24;
539 	} bitfields;
540 
541 	uint32_t u32All;
542 };
543 
544 union replay_hw_flags {
545 	struct {
546 		/**
547 		 * @allow_alpm_fw_standby_mode: To indicate whether the
548 		 * ALPM FW standby mode is allowed
549 		 */
550 		uint32_t allow_alpm_fw_standby_mode : 1;
551 
552 		/*
553 		 * @dsc_enable_status: DSC enable status in driver
554 		 */
555 		uint32_t dsc_enable_status : 1;
556 
557 		/**
558 		 * @fec_enable_status: receive fec enable/disable status from driver
559 		 */
560 		uint32_t fec_enable_status : 1;
561 
562 		/*
563 		 * @smu_optimizations_en: SMU power optimization.
564 		 * Only when active display is Replay capable and display enters Replay.
565 		 * Trigger interrupt to SMU to powerup/down.
566 		 */
567 		uint32_t smu_optimizations_en : 1;
568 
569 		/**
570 		 * @phy_power_state: Indicates current phy power state
571 		 */
572 		uint32_t phy_power_state : 1;
573 
574 		/**
575 		 * @link_power_state: Indicates current link power state
576 		 */
577 		uint32_t link_power_state : 1;
578 		/**
579 		 * Use TPS3 signal when restore main link.
580 		 */
581 		uint32_t force_wakeup_by_tps3 : 1;
582 		/**
583 		 * @is_alpm_initialized: Indicates whether ALPM is initialized
584 		 */
585 		uint32_t is_alpm_initialized : 1;
586 
587 		/**
588 		 * @alpm_mode: Indicates ALPM mode selected
589 		 */
590 		uint32_t alpm_mode : 2;
591 	} bitfields;
592 
593 	uint32_t u32All;
594 };
595 
596 union fw_assisted_mclk_switch_version {
597 	struct {
598 		uint8_t minor : 5;
599 		uint8_t major : 3;
600 	};
601 	uint8_t ver;
602 };
603 
604 /**
605  * DMUB feature capabilities.
606  * After DMUB init, driver will query FW capabilities prior to enabling certain features.
607  */
608 struct dmub_feature_caps {
609 	/**
610 	 * Max PSR version supported by FW.
611 	 */
612 	uint8_t psr;
613 	uint8_t fw_assisted_mclk_switch_ver;
614 	uint8_t reserved[4];
615 	uint8_t subvp_psr_support;
616 	uint8_t gecc_enable;
617 	uint8_t replay_supported;
618 	uint8_t replay_reserved[3];
619 	uint8_t abm_aux_backlight_support;
620 };
621 
622 struct dmub_visual_confirm_color {
623 	/**
624 	 * Maximum 10 bits color value
625 	 */
626 	uint16_t color_r_cr;
627 	uint16_t color_g_y;
628 	uint16_t color_b_cb;
629 	uint16_t panel_inst;
630 };
631 
632 //==============================================================================
633 //</DMUB_TYPES>=================================================================
634 //==============================================================================
635 //< DMUB_META>==================================================================
636 //==============================================================================
637 #pragma pack(push, 1)
638 
639 /* Magic value for identifying dmub_fw_meta_info */
640 #define DMUB_FW_META_MAGIC 0x444D5542
641 
642 /* Offset from the end of the file to the dmub_fw_meta_info */
643 #define DMUB_FW_META_OFFSET 0x24
644 
645 /**
646  * union dmub_fw_meta_feature_bits - Static feature bits for pre-initialization
647  */
648 union dmub_fw_meta_feature_bits {
649 	struct {
650 		uint32_t shared_state_link_detection : 1; /**< 1 supports link detection via shared state */
651 		uint32_t reserved : 31;
652 	} bits; /**< status bits */
653 	uint32_t all; /**< 32-bit access to status bits */
654 };
655 
656 /**
657  * struct dmub_fw_meta_info - metadata associated with fw binary
658  *
659  * NOTE: This should be considered a stable API. Fields should
660  *       not be repurposed or reordered. New fields should be
661  *       added instead to extend the structure.
662  *
663  * @magic_value: magic value identifying DMUB firmware meta info
664  * @fw_region_size: size of the firmware state region
665  * @trace_buffer_size: size of the tracebuffer region
666  * @fw_version: the firmware version information
667  * @dal_fw: 1 if the firmware is DAL
668  * @shared_state_size: size of the shared state region in bytes
669  * @shared_state_features: number of shared state features
670  */
671 struct dmub_fw_meta_info {
672 	uint32_t magic_value; /**< magic value identifying DMUB firmware meta info */
673 	uint32_t fw_region_size; /**< size of the firmware state region */
674 	uint32_t trace_buffer_size; /**< size of the tracebuffer region */
675 	uint32_t fw_version; /**< the firmware version information */
676 	uint8_t dal_fw; /**< 1 if the firmware is DAL */
677 	uint8_t reserved[3]; /**< padding bits */
678 	uint32_t shared_state_size; /**< size of the shared state region in bytes */
679 	uint16_t shared_state_features; /**< number of shared state features */
680 	uint16_t reserved2; /**< padding bytes */
681 	union dmub_fw_meta_feature_bits feature_bits; /**< static feature bits */
682 };
683 
684 /**
685  * union dmub_fw_meta - ensures that dmub_fw_meta_info remains 64 bytes
686  */
687 union dmub_fw_meta {
688 	struct dmub_fw_meta_info info; /**< metadata info */
689 	uint8_t reserved[64]; /**< padding bits */
690 };
691 
692 #pragma pack(pop)
693 
694 //==============================================================================
695 //< DMUB Trace Buffer>================================================================
696 //==============================================================================
697 #if !defined(TENSILICA) && !defined(DMUB_TRACE_ENTRY_DEFINED)
698 /**
699  * dmub_trace_code_t - firmware trace code, 32-bits
700  */
701 typedef uint32_t dmub_trace_code_t;
702 
703 /**
704  * struct dmcub_trace_buf_entry - Firmware trace entry
705  */
706 struct dmcub_trace_buf_entry {
707 	dmub_trace_code_t trace_code; /**< trace code for the event */
708 	uint32_t tick_count; /**< the tick count at time of trace */
709 	uint32_t param0; /**< trace defined parameter 0 */
710 	uint32_t param1; /**< trace defined parameter 1 */
711 };
712 #endif
713 
714 //==============================================================================
715 //< DMUB_STATUS>================================================================
716 //==============================================================================
717 
718 /**
719  * DMCUB scratch registers can be used to determine firmware status.
720  * Current scratch register usage is as follows:
721  *
722  * SCRATCH0: FW Boot Status register
723  * SCRATCH5: LVTMA Status Register
724  * SCRATCH15: FW Boot Options register
725  */
726 
727 /**
728  * union dmub_fw_boot_status - Status bit definitions for SCRATCH0.
729  */
730 union dmub_fw_boot_status {
731 	struct {
732 		uint32_t dal_fw : 1; /**< 1 if DAL FW */
733 		uint32_t mailbox_rdy : 1; /**< 1 if mailbox ready */
734 		uint32_t optimized_init_done : 1; /**< 1 if optimized init done */
735 		uint32_t restore_required : 1; /**< 1 if driver should call restore */
736 		uint32_t defer_load : 1; /**< 1 if VBIOS data is deferred programmed */
737 		uint32_t fams_enabled : 1; /**< 1 if VBIOS data is deferred programmed */
738 		uint32_t detection_required: 1; /**<  if detection need to be triggered by driver */
739 		uint32_t hw_power_init_done: 1; /**< 1 if hw power init is completed */
740 		uint32_t ono_regions_enabled: 1; /**< 1 if ONO regions are enabled */
741 	} bits; /**< status bits */
742 	uint32_t all; /**< 32-bit access to status bits */
743 };
744 
745 /**
746  * enum dmub_fw_boot_status_bit - Enum bit definitions for SCRATCH0.
747  */
748 enum dmub_fw_boot_status_bit {
749 	DMUB_FW_BOOT_STATUS_BIT_DAL_FIRMWARE = (1 << 0), /**< 1 if DAL FW */
750 	DMUB_FW_BOOT_STATUS_BIT_MAILBOX_READY = (1 << 1), /**< 1 if mailbox ready */
751 	DMUB_FW_BOOT_STATUS_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if init done */
752 	DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */
753 	DMUB_FW_BOOT_STATUS_BIT_DEFERRED_LOADED = (1 << 4), /**< 1 if VBIOS data is deferred programmed */
754 	DMUB_FW_BOOT_STATUS_BIT_FAMS_ENABLED = (1 << 5), /**< 1 if FAMS is enabled*/
755 	DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED = (1 << 6), /**< 1 if detection need to be triggered by driver*/
756 	DMUB_FW_BOOT_STATUS_BIT_HW_POWER_INIT_DONE = (1 << 7), /**< 1 if hw power init is completed */
757 	DMUB_FW_BOOT_STATUS_BIT_ONO_REGIONS_ENABLED = (1 << 8), /**< 1 if ONO regions are enabled */
758 };
759 
760 /* Register bit definition for SCRATCH5 */
761 union dmub_lvtma_status {
762 	struct {
763 		uint32_t psp_ok : 1;
764 		uint32_t edp_on : 1;
765 		uint32_t reserved : 30;
766 	} bits;
767 	uint32_t all;
768 };
769 
770 enum dmub_lvtma_status_bit {
771 	DMUB_LVTMA_STATUS_BIT_PSP_OK = (1 << 0),
772 	DMUB_LVTMA_STATUS_BIT_EDP_ON = (1 << 1),
773 };
774 
775 enum dmub_ips_disable_type {
776 	DMUB_IPS_ENABLE = 0,
777 	DMUB_IPS_DISABLE_ALL = 1,
778 	DMUB_IPS_DISABLE_IPS1 = 2,
779 	DMUB_IPS_DISABLE_IPS2 = 3,
780 	DMUB_IPS_DISABLE_IPS2_Z10 = 4,
781 	DMUB_IPS_DISABLE_DYNAMIC = 5,
782 	DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF = 6,
783 	DMUB_IPS_DISABLE_Z8_RETENTION = 7,
784 };
785 
786 enum dmub_ips_rcg_disable_type {
787 	DMUB_IPS_RCG_ENABLE = 0,
788 	DMUB_IPS0_RCG_DISABLE = 1,
789 	DMUB_IPS1_RCG_DISABLE = 2,
790 	DMUB_IPS_RCG_DISABLE = 3
791 };
792 
793 enum dmub_ips_in_vpb_disable_type {
794 	DMUB_IPS_VPB_RCG_ONLY = 0, // Legacy behaviour
795 	DMUB_IPS_VPB_DISABLE_ALL = 1,
796 	DMUB_IPS_VPB_ENABLE_IPS1_AND_RCG = 2,
797 	DMUB_IPS_VPB_ENABLE_ALL = 3 // Enable IPS1 Z8, IPS1 and RCG
798 };
799 
800 #define DMUB_IPS1_ALLOW_MASK 0x00000001
801 #define DMUB_IPS2_ALLOW_MASK 0x00000002
802 #define DMUB_IPS1_COMMIT_MASK 0x00000004
803 #define DMUB_IPS2_COMMIT_MASK 0x00000008
804 
805 enum dmub_ips_comand_type {
806 	/**
807 	 * Start/stop IPS residency measurements for a given IPS mode
808 	 */
809 	DMUB_CMD__IPS_RESIDENCY_CNTL = 0,
810 	/**
811 	 * Query IPS residency information for a given IPS mode
812 	 */
813 	DMUB_CMD__IPS_QUERY_RESIDENCY_INFO = 1,
814 };
815 
816 /**
817  * union dmub_fw_boot_options - Boot option definitions for SCRATCH14
818  */
819 union dmub_fw_boot_options {
820 	struct {
821 		uint32_t pemu_env : 1; /**< 1 if PEMU */
822 		uint32_t fpga_env : 1; /**< 1 if FPGA */
823 		uint32_t optimized_init : 1; /**< 1 if optimized init */
824 		uint32_t skip_phy_access : 1; /**< 1 if PHY access should be skipped */
825 		uint32_t disable_clk_gate: 1; /**< 1 if clock gating should be disabled */
826 		uint32_t skip_phy_init_panel_sequence: 1; /**< 1 to skip panel init seq */
827 		uint32_t z10_disable: 1; /**< 1 to disable z10 */
828 		uint32_t enable_dpia: 1; /**< 1 if DPIA should be enabled */
829 		uint32_t invalid_vbios_data: 1; /**< 1 if VBIOS data table is invalid */
830 		uint32_t dpia_supported: 1; /**< 1 if DPIA is supported on this platform */
831 		uint32_t sel_mux_phy_c_d_phy_f_g: 1; /**< 1 if PHYF/PHYG should be enabled on DCN31 */
832 		/**< 1 if all root clock gating is enabled and low power memory is enabled*/
833 		uint32_t power_optimization: 1;
834 		uint32_t diag_env: 1; /* 1 if diagnostic environment */
835 		uint32_t gpint_scratch8: 1; /* 1 if GPINT is in scratch8*/
836 		uint32_t usb4_cm_version: 1; /**< 1 CM support */
837 		uint32_t dpia_hpd_int_enable_supported: 1; /* 1 if dpia hpd int enable supported */
838 		uint32_t enable_non_transparent_setconfig: 1; /* 1 if dpia use conventional dp lt flow*/
839 		uint32_t disable_clk_ds: 1; /* 1 if disallow dispclk_ds and dppclk_ds*/
840 		uint32_t disable_timeout_recovery : 1; /* 1 if timeout recovery should be disabled */
841 		uint32_t ips_pg_disable: 1; /* 1 to disable ONO domains power gating*/
842 		uint32_t ips_disable: 3; /* options to disable ips support*/
843 		uint32_t ips_sequential_ono: 1; /**< 1 to enable sequential ONO IPS sequence */
844 		uint32_t disable_sldo_opt: 1; /**< 1 to disable SLDO optimizations */
845 		uint32_t lower_hbr3_phy_ssc: 1; /**< 1 to lower hbr3 phy ssc to 0.125 percent */
846 		uint32_t override_hbr3_pll_vco: 1; /**< 1 to override the hbr3 pll vco to 0 */
847 		uint32_t reserved : 5; /**< reserved */
848 	} bits; /**< boot bits */
849 	uint32_t all; /**< 32-bit access to bits */
850 };
851 
852 enum dmub_fw_boot_options_bit {
853 	DMUB_FW_BOOT_OPTION_BIT_PEMU_ENV = (1 << 0), /**< 1 if PEMU */
854 	DMUB_FW_BOOT_OPTION_BIT_FPGA_ENV = (1 << 1), /**< 1 if FPGA */
855 	DMUB_FW_BOOT_OPTION_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if optimized init done */
856 };
857 
858 //==============================================================================
859 //< DMUB_SHARED_STATE>==========================================================
860 //==============================================================================
861 
862 /**
863  * Shared firmware state between driver and firmware for lockless communication
864  * in situations where the inbox/outbox may be unavailable.
865  *
866  * Each structure *must* be at most 256-bytes in size. The layout allocation is
867  * described below:
868  *
869  * [Header (256 Bytes)][Feature 1 (256 Bytes)][Feature 2 (256 Bytes)]...
870  */
871 
872 /**
873  * enum dmub_shared_state_feature_id - List of shared state features.
874  */
875 enum dmub_shared_state_feature_id {
876 	DMUB_SHARED_SHARE_FEATURE__INVALID = 0,
877 	DMUB_SHARED_SHARE_FEATURE__IPS_FW = 1,
878 	DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER = 2,
879 	DMUB_SHARED_SHARE_FEATURE__DEBUG_SETUP = 3,
880 	DMUB_SHARED_STATE_FEATURE__LAST, /* Total number of features. */
881 };
882 
883 /**
884  * struct dmub_shared_state_ips_fw - Firmware signals for IPS.
885  */
886 union dmub_shared_state_ips_fw_signals {
887 	struct {
888 		uint32_t ips1_commit : 1;  /**< 1 if in IPS1 or IPS0 RCG */
889 		uint32_t ips2_commit : 1; /**< 1 if in IPS2 */
890 		uint32_t in_idle : 1; /**< 1 if DMCUB is in idle */
891 		uint32_t detection_required : 1; /**< 1 if detection is required */
892 		uint32_t ips1z8_commit: 1; /**< 1 if in IPS1 Z8 Retention */
893 		uint32_t reserved_bits : 27; /**< Reversed */
894 	} bits;
895 	uint32_t all;
896 };
897 
898 /**
899  * struct dmub_shared_state_ips_signals - Firmware signals for IPS.
900  */
901 union dmub_shared_state_ips_driver_signals {
902 	struct {
903 		uint32_t allow_pg : 1; /**< 1 if PG is allowed */
904 		uint32_t allow_ips1 : 1; /**< 1 is IPS1 is allowed */
905 		uint32_t allow_ips2 : 1; /**< 1 is IPS1 is allowed */
906 		uint32_t allow_z10 : 1; /**< 1 if Z10 is allowed */
907 		uint32_t allow_idle: 1; /**< 1 if driver is allowing idle */
908 		uint32_t allow_ips0_rcg : 1; /**< 1 is IPS0 RCG is allowed */
909 		uint32_t allow_ips1_rcg : 1; /**< 1 is IPS1 RCG is allowed */
910 		uint32_t allow_ips1z8 : 1; /**< 1 is IPS1 Z8 Retention is allowed */
911 		uint32_t allow_dynamic_ips1 : 1; /**< 1 if IPS1 is allowed in dynamic use cases such as VPB */
912 		uint32_t allow_dynamic_ips1_z8: 1; /**< 1 if IPS1 z8 ret is allowed in dynamic use cases such as VPB */
913 		uint32_t reserved_bits : 22; /**< Reversed bits */
914 	} bits;
915 	uint32_t all;
916 };
917 
918 /**
919  * IPS FW Version
920  */
921 #define DMUB_SHARED_STATE__IPS_FW_VERSION 1
922 
923 struct dmub_shared_state_debug_setup {
924 	union {
925 		struct {
926 			uint32_t exclude_points[62];
927 		} profile_mode;
928 	};
929 };
930 
931 /**
932  * struct dmub_shared_state_ips_fw - Firmware state for IPS.
933  */
934 struct dmub_shared_state_ips_fw {
935 	union dmub_shared_state_ips_fw_signals signals; /**< 4 bytes, IPS signal bits */
936 	uint32_t rcg_entry_count; /**< Entry counter for RCG */
937 	uint32_t rcg_exit_count; /**< Exit counter for RCG */
938 	uint32_t ips1_entry_count; /**< Entry counter for IPS1 */
939 	uint32_t ips1_exit_count; /**< Exit counter for IPS1 */
940 	uint32_t ips2_entry_count; /**< Entry counter for IPS2 */
941 	uint32_t ips2_exit_count; /**< Exit counter for IPS2 */
942 	uint32_t ips1_z8ret_entry_count; /**< Entry counter for IPS1 Z8 Retention */
943 	uint32_t ips1_z8ret_exit_count; /**< Exit counter for IPS1 Z8 Retention */
944 	uint32_t reserved[53]; /**< Reversed, to be updated when adding new fields. */
945 }; /* 248-bytes, fixed */
946 
947 /**
948  * IPS Driver Version
949  */
950 #define DMUB_SHARED_STATE__IPS_DRIVER_VERSION 1
951 
952 /**
953  * struct dmub_shared_state_ips_driver - Driver state for IPS.
954  */
955 struct dmub_shared_state_ips_driver {
956 	union dmub_shared_state_ips_driver_signals signals; /**< 4 bytes, IPS signal bits */
957 	uint32_t reserved[61]; /**< Reversed, to be updated when adding new fields. */
958 }; /* 248-bytes, fixed */
959 
960 /**
961  * enum dmub_shared_state_feature_common - Generic payload.
962  */
963 struct dmub_shared_state_feature_common {
964 	uint32_t padding[62];
965 }; /* 248-bytes, fixed */
966 
967 /**
968  * enum dmub_shared_state_feature_header - Feature description.
969  */
970 struct dmub_shared_state_feature_header {
971 	uint16_t id; /**< Feature ID */
972 	uint16_t version; /**< Feature version */
973 	uint32_t reserved; /**< Reserved bytes. */
974 }; /* 8 bytes, fixed */
975 
976 /**
977  * struct dmub_shared_state_feature_block - Feature block.
978  */
979 struct dmub_shared_state_feature_block {
980 	struct dmub_shared_state_feature_header header; /**< Shared state header. */
981 	union dmub_shared_feature_state_union {
982 		struct dmub_shared_state_feature_common common; /**< Generic data */
983 		struct dmub_shared_state_ips_fw ips_fw; /**< IPS firmware state */
984 		struct dmub_shared_state_ips_driver ips_driver; /**< IPS driver state */
985 		struct dmub_shared_state_debug_setup debug_setup; /**< Debug setup */
986 	} data; /**< Shared state data. */
987 }; /* 256-bytes, fixed */
988 
989 /**
990  * Shared state size in bytes.
991  */
992 #define DMUB_FW_HEADER_SHARED_STATE_SIZE \
993 	((DMUB_SHARED_STATE_FEATURE__LAST + 1) * sizeof(struct dmub_shared_state_feature_block))
994 
995 //==============================================================================
996 //</DMUB_STATUS>================================================================
997 //==============================================================================
998 //< DMUB_VBIOS>=================================================================
999 //==============================================================================
1000 
1001 /*
1002  * enum dmub_cmd_vbios_type - VBIOS commands.
1003  *
1004  * Command IDs should be treated as stable ABI.
1005  * Do not reuse or modify IDs.
1006  */
1007 enum dmub_cmd_vbios_type {
1008 	/**
1009 	 * Configures the DIG encoder.
1010 	 */
1011 	DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL = 0,
1012 	/**
1013 	 * Controls the PHY.
1014 	 */
1015 	DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL = 1,
1016 	/**
1017 	 * Sets the pixel clock/symbol clock.
1018 	 */
1019 	DMUB_CMD__VBIOS_SET_PIXEL_CLOCK = 2,
1020 	/**
1021 	 * Enables or disables power gating.
1022 	 */
1023 	DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING = 3,
1024 	/**
1025 	 * Controls embedded panels.
1026 	 */
1027 	DMUB_CMD__VBIOS_LVTMA_CONTROL = 15,
1028 	/**
1029 	 * Query DP alt status on a transmitter.
1030 	 */
1031 	DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT  = 26,
1032 	/**
1033 	 * Control PHY FSM
1034 	 */
1035 	DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM  = 29,
1036 	/**
1037 	 * Controls domain power gating
1038 	 */
1039 	DMUB_CMD__VBIOS_DOMAIN_CONTROL = 28,
1040 };
1041 
1042 //==============================================================================
1043 //</DMUB_VBIOS>=================================================================
1044 //==============================================================================
1045 //< DMUB_GPINT>=================================================================
1046 //==============================================================================
1047 
1048 /**
1049  * The shifts and masks below may alternatively be used to format and read
1050  * the command register bits.
1051  */
1052 
1053 #define DMUB_GPINT_DATA_PARAM_MASK 0xFFFF
1054 #define DMUB_GPINT_DATA_PARAM_SHIFT 0
1055 
1056 #define DMUB_GPINT_DATA_COMMAND_CODE_MASK 0xFFF
1057 #define DMUB_GPINT_DATA_COMMAND_CODE_SHIFT 16
1058 
1059 #define DMUB_GPINT_DATA_STATUS_MASK 0xF
1060 #define DMUB_GPINT_DATA_STATUS_SHIFT 28
1061 
1062 /**
1063  * Command responses.
1064  */
1065 
1066 /**
1067  * Return response for DMUB_GPINT__STOP_FW command.
1068  */
1069 #define DMUB_GPINT__STOP_FW_RESPONSE 0xDEADDEAD
1070 
1071 /**
1072  * union dmub_gpint_data_register - Format for sending a command via the GPINT.
1073  */
1074 union dmub_gpint_data_register {
1075 	struct {
1076 		uint32_t param : 16; /**< 16-bit parameter */
1077 		uint32_t command_code : 12; /**< GPINT command */
1078 		uint32_t status : 4; /**< Command status bit */
1079 	} bits; /**< GPINT bit access */
1080 	uint32_t all; /**< GPINT  32-bit access */
1081 };
1082 
1083 /*
1084  * enum dmub_gpint_command - GPINT command to DMCUB FW
1085  *
1086  * Command IDs should be treated as stable ABI.
1087  * Do not reuse or modify IDs.
1088  */
1089 enum dmub_gpint_command {
1090 	/**
1091 	 * Invalid command, ignored.
1092 	 */
1093 	DMUB_GPINT__INVALID_COMMAND = 0,
1094 	/**
1095 	 * DESC: Queries the firmware version.
1096 	 * RETURN: Firmware version.
1097 	 */
1098 	DMUB_GPINT__GET_FW_VERSION = 1,
1099 	/**
1100 	 * DESC: Halts the firmware.
1101 	 * RETURN: DMUB_GPINT__STOP_FW_RESPONSE (0xDEADDEAD) when halted
1102 	 */
1103 	DMUB_GPINT__STOP_FW = 2,
1104 	/**
1105 	 * DESC: Get PSR state from FW.
1106 	 * RETURN: PSR state enum. This enum may need to be converted to the legacy PSR state value.
1107 	 */
1108 	DMUB_GPINT__GET_PSR_STATE = 7,
1109 	/**
1110 	 * DESC: Notifies DMCUB of the currently active streams.
1111 	 * ARGS: Stream mask, 1 bit per active stream index.
1112 	 */
1113 	DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK = 8,
1114 	/**
1115 	 * DESC: Start PSR residency counter. Stop PSR resdiency counter and get value.
1116 	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
1117 	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
1118 	 * RETURN: PSR residency in milli-percent.
1119 	 */
1120 	DMUB_GPINT__PSR_RESIDENCY = 9,
1121 
1122 	/**
1123 	 * DESC: Notifies DMCUB detection is done so detection required can be cleared.
1124 	 */
1125 	DMUB_GPINT__NOTIFY_DETECTION_DONE = 12,
1126 
1127 	/**
1128 	 * DESC: Get REPLAY state from FW.
1129 	 * RETURN: REPLAY state enum. This enum may need to be converted to the legacy REPLAY state value.
1130 	 */
1131 	DMUB_GPINT__GET_REPLAY_STATE = 13,
1132 
1133 	/**
1134 	 * DESC: Start REPLAY residency counter. Stop REPLAY resdiency counter and get value.
1135 	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
1136 	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
1137 	 * RETURN: REPLAY residency in milli-percent.
1138 	 */
1139 	DMUB_GPINT__REPLAY_RESIDENCY = 14,
1140 
1141 	/**
1142 	 * DESC: Copy bounding box to the host.
1143 	 * ARGS: Version of bounding box to copy
1144 	 * RETURN: Result of copying bounding box
1145 	 */
1146 	DMUB_GPINT__BB_COPY = 96,
1147 
1148 	/**
1149 	 * DESC: Updates the host addresses bit48~bit63 for bounding box.
1150 	 * ARGS: The word3 for the 64 bit address
1151 	 */
1152 	DMUB_GPINT__SET_BB_ADDR_WORD3 = 97,
1153 
1154 	/**
1155 	 * DESC: Updates the host addresses bit32~bit47 for bounding box.
1156 	 * ARGS: The word2 for the 64 bit address
1157 	 */
1158 	DMUB_GPINT__SET_BB_ADDR_WORD2 = 98,
1159 
1160 	/**
1161 	 * DESC: Updates the host addresses bit16~bit31 for bounding box.
1162 	 * ARGS: The word1 for the 64 bit address
1163 	 */
1164 	DMUB_GPINT__SET_BB_ADDR_WORD1 = 99,
1165 
1166 	/**
1167 	 * DESC: Updates the host addresses bit0~bit15 for bounding box.
1168 	 * ARGS: The word0 for the 64 bit address
1169 	 */
1170 	DMUB_GPINT__SET_BB_ADDR_WORD0 = 100,
1171 
1172 	/**
1173 	 * DESC: Updates the trace buffer lower 32-bit mask.
1174 	 * ARGS: The new mask
1175 	 * RETURN: Lower 32-bit mask.
1176 	 */
1177 	DMUB_GPINT__UPDATE_TRACE_BUFFER_MASK = 101,
1178 
1179 	/**
1180 	 * DESC: Updates the trace buffer mask bit0~bit15.
1181 	 * ARGS: The new mask
1182 	 * RETURN: Lower 32-bit mask.
1183 	 */
1184 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD0 = 102,
1185 
1186 	/**
1187 	 * DESC: Updates the trace buffer mask bit16~bit31.
1188 	 * ARGS: The new mask
1189 	 * RETURN: Lower 32-bit mask.
1190 	 */
1191 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD1 = 103,
1192 
1193 	/**
1194 	 * DESC: Updates the trace buffer mask bit32~bit47.
1195 	 * ARGS: The new mask
1196 	 * RETURN: Lower 32-bit mask.
1197 	 */
1198 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD2 = 114,
1199 
1200 	/**
1201 	 * DESC: Updates the trace buffer mask bit48~bit63.
1202 	 * ARGS: The new mask
1203 	 * RETURN: Lower 32-bit mask.
1204 	 */
1205 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD3 = 115,
1206 
1207 	/**
1208 	 * DESC: Read the trace buffer mask bi0~bit15.
1209 	 */
1210 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD0 = 116,
1211 
1212 	/**
1213 	 * DESC: Read the trace buffer mask bit16~bit31.
1214 	 */
1215 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD1 = 117,
1216 
1217 	/**
1218 	 * DESC: Read the trace buffer mask bi32~bit47.
1219 	 */
1220 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD2 = 118,
1221 
1222 	/**
1223 	 * DESC: Updates the trace buffer mask bit32~bit63.
1224 	 */
1225 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD3 = 119,
1226 
1227 	/**
1228 	 * DESC: Set IPS residency measurement
1229 	 * ARGS: 0 - Disable ips measurement
1230 	 *       1 - Enable ips measurement
1231 	 */
1232 	DMUB_GPINT__IPS_RESIDENCY = 121,
1233 
1234 	/**
1235 	 * DESC: Enable measurements for various task duration
1236 	 * ARGS: 0 - Disable measurement
1237 	 *       1 - Enable measurement
1238 	 */
1239 	DMUB_GPINT__TRACE_DMUB_WAKE_ACTIVITY = 123,
1240 
1241 	/**
1242 	 * DESC: Gets IPS residency in microseconds
1243 	 * ARGS: 0 - Return IPS1 residency
1244 	 *       1 - Return IPS2 residency
1245 	 *       2 - Return IPS1_RCG residency
1246 	 *       3 - Return IPS1_ONO2_ON residency
1247 	 * RETURN: Total residency in microseconds - lower 32 bits
1248 	 */
1249 	DMUB_GPINT__GET_IPS_RESIDENCY_DURATION_US_LO = 124,
1250 
1251 	/**
1252 	 * DESC: Gets IPS1 histogram counts
1253 	 * ARGS: Bucket index
1254 	 * RETURN: Total count for the bucket
1255 	 */
1256 	DMUB_GPINT__GET_IPS1_HISTOGRAM_COUNTER = 125,
1257 
1258 	/**
1259 	 * DESC: Gets IPS2 histogram counts
1260 	 * ARGS: Bucket index
1261 	 * RETURN: Total count for the bucket
1262 	 */
1263 	DMUB_GPINT__GET_IPS2_HISTOGRAM_COUNTER = 126,
1264 
1265 	/**
1266 	 * DESC: Gets IPS residency
1267 	 * ARGS: 0 - Return IPS1 residency
1268 	 *       1 - Return IPS2 residency
1269 	 *       2 - Return IPS1_RCG residency
1270 	 *       3 - Return IPS1_ONO2_ON residency
1271 	 * RETURN: Total residency in milli-percent.
1272 	 */
1273 	DMUB_GPINT__GET_IPS_RESIDENCY_PERCENT = 127,
1274 
1275 	/**
1276 	 * DESC: Gets IPS1_RCG histogram counts
1277 	 * ARGS: Bucket index
1278 	 * RETURN: Total count for the bucket
1279 	 */
1280 	DMUB_GPINT__GET_IPS1_RCG_HISTOGRAM_COUNTER = 128,
1281 
1282 	/**
1283 	 * DESC: Gets IPS1_ONO2_ON histogram counts
1284 	 * ARGS: Bucket index
1285 	 * RETURN: Total count for the bucket
1286 	 */
1287 	DMUB_GPINT__GET_IPS1_ONO2_ON_HISTOGRAM_COUNTER = 129,
1288 
1289 	/**
1290 	 * DESC: Gets IPS entry counter during residency measurement
1291 	 * ARGS: 0 - Return IPS1 entry counts
1292 	 *       1 - Return IPS2 entry counts
1293 	 *       2 - Return IPS1_RCG entry counts
1294 	 *       3 - Return IPS2_ONO2_ON entry counts
1295 	 * RETURN: Entry counter for selected IPS mode
1296 	 */
1297 	DMUB_GPINT__GET_IPS_RESIDENCY_ENTRY_COUNTER = 130,
1298 
1299 	/**
1300 	 * DESC: Gets IPS inactive residency in microseconds
1301 	 * ARGS: 0 - Return IPS1_MAX residency
1302 	 *       1 - Return IPS2 residency
1303 	 *       2 - Return IPS1_RCG residency
1304 	 *       3 - Return IPS1_ONO2_ON residency
1305 	 * RETURN: Total inactive residency in microseconds - lower 32 bits
1306 	 */
1307 	DMUB_GPINT__GET_IPS_INACTIVE_RESIDENCY_DURATION_US_LO = 131,
1308 
1309 	/**
1310 	 * DESC: Gets IPS inactive residency in microseconds
1311 	 * ARGS: 0 - Return IPS1_MAX residency
1312 	 *       1 - Return IPS2 residency
1313 	 *       2 - Return IPS1_RCG residency
1314 	 *       3 - Return IPS1_ONO2_ON residency
1315 	 * RETURN: Total inactive residency in microseconds - upper 32 bits
1316 	 */
1317 	DMUB_GPINT__GET_IPS_INACTIVE_RESIDENCY_DURATION_US_HI = 132,
1318 
1319 	/**
1320 	 * DESC: Gets IPS residency in microseconds
1321 	 * ARGS: 0 - Return IPS1 residency
1322 	 *       1 - Return IPS2 residency
1323 	 *       2 - Return IPS1_RCG residency
1324 	 *       3 - Return IPS1_ONO2_ON residency
1325 	 * RETURN: Total residency in microseconds - upper 32 bits
1326 	 */
1327 	DMUB_GPINT__GET_IPS_RESIDENCY_DURATION_US_HI = 133,
1328 	/**
1329 	 * DESC: Setup debug configs.
1330 	 */
1331 	DMUB_GPINT__SETUP_DEBUG_MODE = 136,
1332 	/**
1333 	 * DESC: Initiates IPS wake sequence.
1334 	 */
1335 	DMUB_GPINT__IPS_DEBUG_WAKE = 137,
1336 };
1337 
1338 /**
1339  * INBOX0 generic command definition
1340  */
1341 union dmub_inbox0_cmd_common {
1342 	struct {
1343 		uint32_t command_code: 8; /**< INBOX0 command code */
1344 		uint32_t param: 24; /**< 24-bit parameter */
1345 	} bits;
1346 	uint32_t all;
1347 };
1348 
1349 /**
1350  * INBOX0 hw_lock command definition
1351  */
1352 union dmub_inbox0_cmd_lock_hw {
1353 	struct {
1354 		uint32_t command_code: 8;
1355 
1356 		/* NOTE: Must be have enough bits to match: enum hw_lock_client */
1357 		uint32_t hw_lock_client: 2;
1358 
1359 		/* NOTE: Below fields must match with: struct dmub_hw_lock_inst_flags */
1360 		uint32_t otg_inst: 3;
1361 		uint32_t opp_inst: 3;
1362 		uint32_t dig_inst: 3;
1363 
1364 		/* NOTE: Below fields must match with: union dmub_hw_lock_flags */
1365 		uint32_t lock_pipe: 1;
1366 		uint32_t lock_cursor: 1;
1367 		uint32_t lock_dig: 1;
1368 		uint32_t triple_buffer_lock: 1;
1369 
1370 		uint32_t lock: 1;				/**< Lock */
1371 		uint32_t should_release: 1;		/**< Release */
1372 		uint32_t reserved: 7; 			/**< Reserved for extending more clients, HW, etc. */
1373 	} bits;
1374 	uint32_t all;
1375 };
1376 
1377 union dmub_inbox0_data_register {
1378 	union dmub_inbox0_cmd_common inbox0_cmd_common;
1379 	union dmub_inbox0_cmd_lock_hw inbox0_cmd_lock_hw;
1380 };
1381 
1382 enum dmub_inbox0_command {
1383 	/**
1384 	 * DESC: Invalid command, ignored.
1385 	 */
1386 	DMUB_INBOX0_CMD__INVALID_COMMAND = 0,
1387 	/**
1388 	 * DESC: Notification to acquire/release HW lock
1389 	 * ARGS:
1390 	 */
1391 	DMUB_INBOX0_CMD__HW_LOCK = 1,
1392 };
1393 //==============================================================================
1394 //</DMUB_GPINT>=================================================================
1395 //==============================================================================
1396 //< DMUB_CMD>===================================================================
1397 //==============================================================================
1398 
1399 /**
1400  * Size in bytes of each DMUB command.
1401  */
1402 #define DMUB_RB_CMD_SIZE 64
1403 
1404 /**
1405  * Maximum number of items in the DMUB ringbuffer.
1406  */
1407 #define DMUB_RB_MAX_ENTRY 128
1408 
1409 /**
1410  * Ringbuffer size in bytes.
1411  */
1412 #define DMUB_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_RB_MAX_ENTRY)
1413 
1414 /**
1415  * Maximum number of items in the DMUB REG INBOX0 internal ringbuffer.
1416  */
1417 #define DMUB_REG_INBOX0_RB_MAX_ENTRY 16
1418 
1419 /**
1420  * Ringbuffer size in bytes.
1421  */
1422 #define DMUB_REG_INBOX0_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_REG_INBOX0_RB_MAX_ENTRY)
1423 
1424 /**
1425  * REG_SET mask for reg offload.
1426  */
1427 #define REG_SET_MASK 0xFFFF
1428 
1429 /*
1430  * enum dmub_cmd_type - DMUB inbox command.
1431  *
1432  * Command IDs should be treated as stable ABI.
1433  * Do not reuse or modify IDs.
1434  */
1435 enum dmub_cmd_type {
1436 	/**
1437 	 * Invalid command.
1438 	 */
1439 	DMUB_CMD__NULL = 0,
1440 	/**
1441 	 * Read modify write register sequence offload.
1442 	 */
1443 	DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE = 1,
1444 	/**
1445 	 * Field update register sequence offload.
1446 	 */
1447 	DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ = 2,
1448 	/**
1449 	 * Burst write sequence offload.
1450 	 */
1451 	DMUB_CMD__REG_SEQ_BURST_WRITE = 3,
1452 	/**
1453 	 * Reg wait sequence offload.
1454 	 */
1455 	DMUB_CMD__REG_REG_WAIT = 4,
1456 	/**
1457 	 * Workaround to avoid HUBP underflow during NV12 playback.
1458 	 */
1459 	DMUB_CMD__PLAT_54186_WA = 5,
1460 	/**
1461 	 * Command type used to query FW feature caps.
1462 	 */
1463 	DMUB_CMD__QUERY_FEATURE_CAPS = 6,
1464 	/**
1465 	 * Command type used to get visual confirm color.
1466 	 */
1467 	DMUB_CMD__GET_VISUAL_CONFIRM_COLOR = 8,
1468 	/**
1469 	 * Command type used for all PSR commands.
1470 	 */
1471 	DMUB_CMD__PSR = 64,
1472 	/**
1473 	 * Command type used for all MALL commands.
1474 	 */
1475 	DMUB_CMD__MALL = 65,
1476 	/**
1477 	 * Command type used for all ABM commands.
1478 	 */
1479 	DMUB_CMD__ABM = 66,
1480 	/**
1481 	 * Command type used to update dirty rects in FW.
1482 	 */
1483 	DMUB_CMD__UPDATE_DIRTY_RECT = 67,
1484 	/**
1485 	 * Command type used to update cursor info in FW.
1486 	 */
1487 	DMUB_CMD__UPDATE_CURSOR_INFO = 68,
1488 	/**
1489 	 * Command type used for HW locking in FW.
1490 	 */
1491 	DMUB_CMD__HW_LOCK = 69,
1492 	/**
1493 	 * Command type used to access DP AUX.
1494 	 */
1495 	DMUB_CMD__DP_AUX_ACCESS = 70,
1496 	/**
1497 	 * Command type used for OUTBOX1 notification enable
1498 	 */
1499 	DMUB_CMD__OUTBOX1_ENABLE = 71,
1500 
1501 	/**
1502 	 * Command type used for all idle optimization commands.
1503 	 */
1504 	DMUB_CMD__IDLE_OPT = 72,
1505 	/**
1506 	 * Command type used for all clock manager commands.
1507 	 */
1508 	DMUB_CMD__CLK_MGR = 73,
1509 	/**
1510 	 * Command type used for all panel control commands.
1511 	 */
1512 	DMUB_CMD__PANEL_CNTL = 74,
1513 
1514 	/**
1515 	 * Command type used for all CAB commands.
1516 	 */
1517 	DMUB_CMD__CAB_FOR_SS = 75,
1518 
1519 	DMUB_CMD__FW_ASSISTED_MCLK_SWITCH = 76,
1520 
1521 	/**
1522 	 * Command type used for interfacing with DPIA.
1523 	 */
1524 	DMUB_CMD__DPIA = 77,
1525 	/**
1526 	 * Command type used for EDID CEA parsing
1527 	 */
1528 	DMUB_CMD__EDID_CEA = 79,
1529 	/**
1530 	 * Command type used for getting usbc cable ID
1531 	 */
1532 	DMUB_CMD_GET_USBC_CABLE_ID = 81,
1533 	/**
1534 	 * Command type used to query HPD state.
1535 	 */
1536 	DMUB_CMD__QUERY_HPD_STATE = 82,
1537 	/**
1538 	 * Command type used for all VBIOS interface commands.
1539 	 */
1540 	/**
1541 	 * Command type used for all REPLAY commands.
1542 	 */
1543 	DMUB_CMD__REPLAY = 83,
1544 
1545 	/**
1546 	 * Command type used for all SECURE_DISPLAY commands.
1547 	 */
1548 	DMUB_CMD__SECURE_DISPLAY = 85,
1549 
1550 	/**
1551 	 * Command type used to set DPIA HPD interrupt state
1552 	 */
1553 	DMUB_CMD__DPIA_HPD_INT_ENABLE = 86,
1554 
1555 	/**
1556 	 * Command type used for all PSP commands.
1557 	 */
1558 	DMUB_CMD__PSP = 88,
1559 
1560 	/**
1561 	 * Command type used for all Fused IO commands.
1562 	 */
1563 	DMUB_CMD__FUSED_IO = 89,
1564 
1565 	/**
1566 	 * Command type used for all LSDMA commands.
1567 	 */
1568 	DMUB_CMD__LSDMA = 90,
1569 
1570 	/**
1571 	 * Command type use for all IPS commands.
1572 	 */
1573 	DMUB_CMD__IPS = 91,
1574 
1575 	DMUB_CMD__VBIOS = 128,
1576 };
1577 
1578 /**
1579  * enum dmub_out_cmd_type - DMUB outbox commands.
1580  */
1581 enum dmub_out_cmd_type {
1582 	/**
1583 	 * Invalid outbox command, ignored.
1584 	 */
1585 	DMUB_OUT_CMD__NULL = 0,
1586 	/**
1587 	 * Command type used for DP AUX Reply data notification
1588 	 */
1589 	DMUB_OUT_CMD__DP_AUX_REPLY = 1,
1590 	/**
1591 	 * Command type used for DP HPD event notification
1592 	 */
1593 	DMUB_OUT_CMD__DP_HPD_NOTIFY = 2,
1594 	/**
1595 	 * Command type used for SET_CONFIG Reply notification
1596 	 */
1597 	DMUB_OUT_CMD__SET_CONFIG_REPLY = 3,
1598 	/**
1599 	 * Command type used for USB4 DPIA notification
1600 	 */
1601 	DMUB_OUT_CMD__DPIA_NOTIFICATION = 5,
1602 	/**
1603 	 * Command type used for HPD redetect notification
1604 	 */
1605 	DMUB_OUT_CMD__HPD_SENSE_NOTIFY = 6,
1606 	/**
1607 	 * Command type used for Fused IO notification
1608 	 */
1609 	DMUB_OUT_CMD__FUSED_IO = 7,
1610 };
1611 
1612 /* DMUB_CMD__DPIA command sub-types. */
1613 enum dmub_cmd_dpia_type {
1614 	DMUB_CMD__DPIA_DIG1_DPIA_CONTROL = 0,
1615 	DMUB_CMD__DPIA_SET_CONFIG_ACCESS = 1, // will be replaced by DPIA_SET_CONFIG_REQUEST
1616 	DMUB_CMD__DPIA_MST_ALLOC_SLOTS = 2,
1617 	DMUB_CMD__DPIA_SET_TPS_NOTIFICATION = 3,
1618 	DMUB_CMD__DPIA_SET_CONFIG_REQUEST = 4,
1619 };
1620 
1621 /* DMUB_OUT_CMD__DPIA_NOTIFICATION command types. */
1622 enum dmub_cmd_dpia_notification_type {
1623 	DPIA_NOTIFY__BW_ALLOCATION = 0,
1624 };
1625 
1626 #pragma pack(push, 1)
1627 
1628 /**
1629  * struct dmub_cmd_header - Common command header fields.
1630  */
1631 struct dmub_cmd_header {
1632 	unsigned int type : 8; /**< command type */
1633 	unsigned int sub_type : 8; /**< command sub type */
1634 	unsigned int ret_status : 1; /**< 1 if returned data, 0 otherwise */
1635 	unsigned int multi_cmd_pending : 1; /**< 1 if multiple commands chained together */
1636 	unsigned int is_reg_based : 1; /**< 1 if register based mailbox cmd, 0 if FB based cmd */
1637 	unsigned int reserved0 : 5; /**< reserved bits */
1638 	unsigned int payload_bytes : 6;  /* payload excluding header - up to 60 bytes */
1639 	unsigned int reserved1 : 2; /**< reserved bits */
1640 };
1641 
1642 /*
1643  * struct dmub_cmd_read_modify_write_sequence - Read modify write
1644  *
1645  * 60 payload bytes can hold up to 5 sets of read modify writes,
1646  * each take 3 dwords.
1647  *
1648  * number of sequences = header.payload_bytes / sizeof(struct dmub_cmd_read_modify_write_sequence)
1649  *
1650  * modify_mask = 0xffff'ffff means all fields are going to be updated.  in this case
1651  * command parser will skip the read and we can use modify_mask = 0xffff'ffff as reg write
1652  */
1653 struct dmub_cmd_read_modify_write_sequence {
1654 	uint32_t addr; /**< register address */
1655 	uint32_t modify_mask; /**< modify mask */
1656 	uint32_t modify_value; /**< modify value */
1657 };
1658 
1659 /**
1660  * Maximum number of ops in read modify write sequence.
1661  */
1662 #define DMUB_READ_MODIFY_WRITE_SEQ__MAX 5
1663 
1664 /**
1665  * struct dmub_cmd_read_modify_write_sequence - Read modify write command.
1666  */
1667 struct dmub_rb_cmd_read_modify_write {
1668 	struct dmub_cmd_header header;  /**< command header */
1669 	/**
1670 	 * Read modify write sequence.
1671 	 */
1672 	struct dmub_cmd_read_modify_write_sequence seq[DMUB_READ_MODIFY_WRITE_SEQ__MAX];
1673 };
1674 
1675 /*
1676  * Update a register with specified masks and values sequeunce
1677  *
1678  * 60 payload bytes can hold address + up to 7 sets of mask/value combo, each take 2 dword
1679  *
1680  * number of field update sequence = (header.payload_bytes - sizeof(addr)) / sizeof(struct read_modify_write_sequence)
1681  *
1682  *
1683  * USE CASE:
1684  *   1. auto-increment register where additional read would update pointer and produce wrong result
1685  *   2. toggle a bit without read in the middle
1686  */
1687 
1688 struct dmub_cmd_reg_field_update_sequence {
1689 	uint32_t modify_mask; /**< 0xffff'ffff to skip initial read */
1690 	uint32_t modify_value; /**< value to update with */
1691 };
1692 
1693 /**
1694  * Maximum number of ops in field update sequence.
1695  */
1696 #define DMUB_REG_FIELD_UPDATE_SEQ__MAX 7
1697 
1698 /**
1699  * struct dmub_rb_cmd_reg_field_update_sequence - Field update command.
1700  */
1701 struct dmub_rb_cmd_reg_field_update_sequence {
1702 	struct dmub_cmd_header header; /**< command header */
1703 	uint32_t addr; /**< register address */
1704 	/**
1705 	 * Field update sequence.
1706 	 */
1707 	struct dmub_cmd_reg_field_update_sequence seq[DMUB_REG_FIELD_UPDATE_SEQ__MAX];
1708 };
1709 
1710 
1711 /**
1712  * Maximum number of burst write values.
1713  */
1714 #define DMUB_BURST_WRITE_VALUES__MAX  14
1715 
1716 /*
1717  * struct dmub_rb_cmd_burst_write - Burst write
1718  *
1719  * support use case such as writing out LUTs.
1720  *
1721  * 60 payload bytes can hold up to 14 values to write to given address
1722  *
1723  * number of payload = header.payload_bytes / sizeof(struct read_modify_write_sequence)
1724  */
1725 struct dmub_rb_cmd_burst_write {
1726 	struct dmub_cmd_header header; /**< command header */
1727 	uint32_t addr; /**< register start address */
1728 	/**
1729 	 * Burst write register values.
1730 	 */
1731 	uint32_t write_values[DMUB_BURST_WRITE_VALUES__MAX];
1732 };
1733 
1734 /**
1735  * struct dmub_rb_cmd_common - Common command header
1736  */
1737 struct dmub_rb_cmd_common {
1738 	struct dmub_cmd_header header; /**< command header */
1739 	/**
1740 	 * Padding to RB_CMD_SIZE
1741 	 */
1742 	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)];
1743 };
1744 
1745 /**
1746  * struct dmub_cmd_reg_wait_data - Register wait data
1747  */
1748 struct dmub_cmd_reg_wait_data {
1749 	uint32_t addr; /**< Register address */
1750 	uint32_t mask; /**< Mask for register bits */
1751 	uint32_t condition_field_value; /**< Value to wait for */
1752 	uint32_t time_out_us; /**< Time out for reg wait in microseconds */
1753 };
1754 
1755 /**
1756  * struct dmub_rb_cmd_reg_wait - Register wait command
1757  */
1758 struct dmub_rb_cmd_reg_wait {
1759 	struct dmub_cmd_header header; /**< Command header */
1760 	struct dmub_cmd_reg_wait_data reg_wait; /**< Register wait data */
1761 };
1762 
1763 /**
1764  * struct dmub_cmd_PLAT_54186_wa - Underflow workaround
1765  *
1766  * Reprograms surface parameters to avoid underflow.
1767  */
1768 struct dmub_cmd_PLAT_54186_wa {
1769 	uint32_t DCSURF_SURFACE_CONTROL; /**< reg value */
1770 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH; /**< reg value */
1771 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS; /**< reg value */
1772 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C; /**< reg value */
1773 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_C; /**< reg value */
1774 	struct {
1775 		uint32_t hubp_inst : 4; /**< HUBP instance */
1776 		uint32_t tmz_surface : 1; /**< TMZ enable or disable */
1777 		uint32_t immediate :1; /**< Immediate flip */
1778 		uint32_t vmid : 4; /**< VMID */
1779 		uint32_t grph_stereo : 1; /**< 1 if stereo */
1780 		uint32_t reserved : 21; /**< Reserved */
1781 	} flip_params; /**< Pageflip parameters */
1782 	uint32_t reserved[9]; /**< Reserved bits */
1783 };
1784 
1785 /**
1786  * struct dmub_rb_cmd_PLAT_54186_wa - Underflow workaround command
1787  */
1788 struct dmub_rb_cmd_PLAT_54186_wa {
1789 	struct dmub_cmd_header header; /**< Command header */
1790 	struct dmub_cmd_PLAT_54186_wa flip; /**< Flip data */
1791 };
1792 
1793 /**
1794  * enum dmub_cmd_mall_type - MALL commands
1795  */
1796 enum dmub_cmd_mall_type {
1797 	/**
1798 	 * Allows display refresh from MALL.
1799 	 */
1800 	DMUB_CMD__MALL_ACTION_ALLOW = 0,
1801 	/**
1802 	 * Disallows display refresh from MALL.
1803 	 */
1804 	DMUB_CMD__MALL_ACTION_DISALLOW = 1,
1805 	/**
1806 	 * Cursor copy for MALL.
1807 	 */
1808 	DMUB_CMD__MALL_ACTION_COPY_CURSOR = 2,
1809 	/**
1810 	 * Controls DF requests.
1811 	 */
1812 	DMUB_CMD__MALL_ACTION_NO_DF_REQ = 3,
1813 };
1814 
1815 /**
1816  * struct dmub_rb_cmd_mall - MALL command data.
1817  */
1818 struct dmub_rb_cmd_mall {
1819 	struct dmub_cmd_header header; /**< Common command header */
1820 	union dmub_addr cursor_copy_src; /**< Cursor copy address */
1821 	union dmub_addr cursor_copy_dst; /**< Cursor copy destination */
1822 	uint32_t tmr_delay; /**< Timer delay */
1823 	uint32_t tmr_scale; /**< Timer scale */
1824 	uint16_t cursor_width; /**< Cursor width in pixels */
1825 	uint16_t cursor_pitch; /**< Cursor pitch in pixels */
1826 	uint16_t cursor_height; /**< Cursor height in pixels */
1827 	uint8_t cursor_bpp; /**< Cursor bits per pixel */
1828 	uint8_t debug_bits; /**< Debug bits */
1829 
1830 	uint8_t reserved1; /**< Reserved bits */
1831 	uint8_t reserved2; /**< Reserved bits */
1832 };
1833 
1834 /**
1835  * enum dmub_cmd_cab_type - CAB command data.
1836  */
1837 enum dmub_cmd_cab_type {
1838 	/**
1839 	 * No idle optimizations (i.e. no CAB)
1840 	 */
1841 	DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0,
1842 	/**
1843 	 * No DCN requests for memory
1844 	 */
1845 	DMUB_CMD__CAB_NO_DCN_REQ = 1,
1846 	/**
1847 	 * Fit surfaces in CAB (i.e. CAB enable)
1848 	 */
1849 	DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2,
1850 	/**
1851 	 * Do not fit surfaces in CAB (i.e. no CAB)
1852 	 */
1853 	DMUB_CMD__CAB_DCN_SS_NOT_FIT_IN_CAB = 3,
1854 };
1855 
1856 /**
1857  * struct dmub_rb_cmd_cab - CAB command data.
1858  */
1859 struct dmub_rb_cmd_cab_for_ss {
1860 	struct dmub_cmd_header header;
1861 	uint8_t cab_alloc_ways; /* total number of ways */
1862 	uint8_t debug_bits;     /* debug bits */
1863 };
1864 
1865 /**
1866  * Enum for indicating which MCLK switch mode per pipe
1867  */
1868 enum mclk_switch_mode {
1869 	NONE = 0,
1870 	FPO = 1,
1871 	SUBVP = 2,
1872 	VBLANK = 3,
1873 };
1874 
1875 /* Per pipe struct which stores the MCLK switch mode
1876  * data to be sent to DMUB.
1877  * Named "v2" for now -- once FPO and SUBVP are fully merged
1878  * the type name can be updated
1879  */
1880 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 {
1881 	union {
1882 		struct {
1883 			uint32_t pix_clk_100hz;
1884 			uint16_t main_vblank_start;
1885 			uint16_t main_vblank_end;
1886 			uint16_t mall_region_lines;
1887 			uint16_t prefetch_lines;
1888 			uint16_t prefetch_to_mall_start_lines;
1889 			uint16_t processing_delay_lines;
1890 			uint16_t htotal; // required to calculate line time for multi-display cases
1891 			uint16_t vtotal;
1892 			uint8_t main_pipe_index;
1893 			uint8_t phantom_pipe_index;
1894 			/* Since the microschedule is calculated in terms of OTG lines,
1895 			 * include any scaling factors to make sure when we get accurate
1896 			 * conversion when programming MALL_START_LINE (which is in terms
1897 			 * of HUBP lines). If 4K is being downscaled to 1080p, scale factor
1898 			 * is 1/2 (numerator = 1, denominator = 2).
1899 			 */
1900 			uint8_t scale_factor_numerator;
1901 			uint8_t scale_factor_denominator;
1902 			uint8_t is_drr;
1903 			uint8_t main_split_pipe_index;
1904 			uint8_t phantom_split_pipe_index;
1905 		} subvp_data;
1906 
1907 		struct {
1908 			uint32_t pix_clk_100hz;
1909 			uint16_t vblank_start;
1910 			uint16_t vblank_end;
1911 			uint16_t vstartup_start;
1912 			uint16_t vtotal;
1913 			uint16_t htotal;
1914 			uint8_t vblank_pipe_index;
1915 			uint8_t padding[1];
1916 			struct {
1917 				uint8_t drr_in_use;
1918 				uint8_t drr_window_size_ms;	// Indicates largest VMIN/VMAX adjustment per frame
1919 				uint16_t min_vtotal_supported;	// Min VTOTAL that supports switching in VBLANK
1920 				uint16_t max_vtotal_supported;	// Max VTOTAL that can support SubVP static scheduling
1921 				uint8_t use_ramping;		// Use ramping or not
1922 				uint8_t drr_vblank_start_margin;
1923 			} drr_info;				// DRR considered as part of SubVP + VBLANK case
1924 		} vblank_data;
1925 	} pipe_config;
1926 
1927 	/* - subvp_data in the union (pipe_config) takes up 27 bytes.
1928 	 * - Make the "mode" field a uint8_t instead of enum so we only use 1 byte (only
1929 	 *   for the DMCUB command, cast to enum once we populate the DMCUB subvp state).
1930 	 */
1931 	uint8_t mode; // enum mclk_switch_mode
1932 };
1933 
1934 /**
1935  * Config data for Sub-VP and FPO
1936  * Named "v2" for now -- once FPO and SUBVP are fully merged
1937  * the type name can be updated
1938  */
1939 struct dmub_cmd_fw_assisted_mclk_switch_config_v2 {
1940 	uint16_t watermark_a_cache;
1941 	uint8_t vertical_int_margin_us;
1942 	uint8_t pstate_allow_width_us;
1943 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 pipe_data[DMUB_MAX_SUBVP_STREAMS];
1944 };
1945 
1946 /**
1947  * DMUB rb command definition for Sub-VP and FPO
1948  * Named "v2" for now -- once FPO and SUBVP are fully merged
1949  * the type name can be updated
1950  */
1951 struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 {
1952 	struct dmub_cmd_header header;
1953 	struct dmub_cmd_fw_assisted_mclk_switch_config_v2 config_data;
1954 };
1955 
1956 struct dmub_flip_addr_info {
1957 	uint32_t surf_addr_lo;
1958 	uint32_t surf_addr_c_lo;
1959 	uint32_t meta_addr_lo;
1960 	uint32_t meta_addr_c_lo;
1961 	uint16_t surf_addr_hi;
1962 	uint16_t surf_addr_c_hi;
1963 	uint16_t meta_addr_hi;
1964 	uint16_t meta_addr_c_hi;
1965 };
1966 
1967 struct dmub_fams2_flip_info {
1968 	union {
1969 		struct {
1970 			uint8_t is_immediate: 1;
1971 		} bits;
1972 		uint8_t all;
1973 	} config;
1974 	uint8_t otg_inst;
1975 	uint8_t pipe_mask;
1976 	uint8_t pad;
1977 	struct dmub_flip_addr_info addr_info;
1978 };
1979 
1980 struct dmub_rb_cmd_fams2_flip {
1981 	struct dmub_cmd_header header;
1982 	struct dmub_fams2_flip_info flip_info;
1983 };
1984 
1985 struct dmub_cmd_lsdma_data {
1986 	union {
1987 		struct lsdma_init_data {
1988 			union dmub_addr gpu_addr_base;
1989 			uint32_t ring_size;
1990 		} init_data;
1991 		struct lsdma_tiled_copy_data {
1992 			uint32_t src_addr_lo;
1993 			uint32_t src_addr_hi;
1994 
1995 			uint32_t dst_addr_lo;
1996 			uint32_t dst_addr_hi;
1997 
1998 			uint32_t src_x            : 16;
1999 			uint32_t src_y            : 16;
2000 
2001 			uint32_t dst_x            : 16;
2002 			uint32_t dst_y            : 16;
2003 
2004 			uint32_t src_width        : 16;
2005 			uint32_t src_height       : 16;
2006 
2007 			uint32_t dst_width        : 16;
2008 			uint32_t dst_height       : 16;
2009 
2010 			uint32_t rect_x           : 16;
2011 			uint32_t rect_y           : 16;
2012 
2013 			uint32_t src_swizzle_mode : 5;
2014 			uint32_t src_mip_max      : 5;
2015 			uint32_t src_mip_id       : 5;
2016 			uint32_t dst_mip_max      : 5;
2017 			uint32_t dst_swizzle_mode : 5;
2018 			uint32_t dst_mip_id       : 5;
2019 			uint32_t tmz              : 1;
2020 			uint32_t dcc              : 1;
2021 
2022 			uint32_t data_format      : 6;
2023 			uint32_t padding1         : 4;
2024 			uint32_t dst_element_size : 3;
2025 			uint32_t num_type         : 3;
2026 			uint32_t src_element_size : 3;
2027 			uint32_t write_compress   : 2;
2028 			uint32_t cache_policy_dst : 2;
2029 			uint32_t cache_policy_src : 2;
2030 			uint32_t read_compress    : 2;
2031 			uint32_t src_dim          : 2;
2032 			uint32_t dst_dim          : 2;
2033 			uint32_t max_uncom        : 1;
2034 
2035 			uint32_t max_com          : 2;
2036 			uint32_t padding          : 30;
2037 		} tiled_copy_data;
2038 		struct lsdma_linear_copy_data {
2039 			uint32_t src_lo;
2040 			uint32_t src_hi;
2041 
2042 			uint32_t dst_lo;
2043 			uint32_t dst_hi;
2044 
2045 			uint32_t count            : 30;
2046 			uint32_t cache_policy_dst : 2;
2047 
2048 			uint32_t tmz              : 1;
2049 			uint32_t cache_policy_src : 2;
2050 			uint32_t padding          : 29;
2051 		} linear_copy_data;
2052 		struct lsdma_linear_sub_window_copy_data {
2053 			uint32_t src_lo;
2054 			uint32_t src_hi;
2055 
2056 			uint32_t dst_lo;
2057 			uint32_t dst_hi;
2058 
2059 			uint32_t src_x        : 16;
2060 			uint32_t src_y        : 16;
2061 
2062 			uint32_t dst_x        : 16;
2063 			uint32_t dst_y        : 16;
2064 
2065 			uint32_t rect_x       : 16;
2066 			uint32_t rect_y       : 16;
2067 
2068 			uint32_t src_pitch    : 16;
2069 			uint32_t dst_pitch    : 16;
2070 
2071 			uint32_t src_slice_pitch;
2072 			uint32_t dst_slice_pitch;
2073 
2074 			uint32_t tmz              : 1;
2075 			uint32_t element_size     : 3;
2076 			uint32_t src_cache_policy : 3;
2077 			uint32_t dst_cache_policy : 3;
2078 			uint32_t reserved0        : 22;
2079 		} linear_sub_window_copy_data;
2080 		struct lsdma_reg_write_data {
2081 			uint32_t reg_addr;
2082 			uint32_t reg_data;
2083 		} reg_write_data;
2084 		struct lsdma_pio_copy_data {
2085 			uint32_t src_lo;
2086 			uint32_t src_hi;
2087 
2088 			uint32_t dst_lo;
2089 			uint32_t dst_hi;
2090 
2091 			union {
2092 				struct {
2093 					uint32_t byte_count      : 26;
2094 					uint32_t src_loc         : 1;
2095 					uint32_t dst_loc         : 1;
2096 					uint32_t src_addr_inc    : 1;
2097 					uint32_t dst_addr_inc    : 1;
2098 					uint32_t overlap_disable : 1;
2099 					uint32_t constant_fill   : 1;
2100 				} fields;
2101 				uint32_t raw;
2102 			} packet;
2103 		} pio_copy_data;
2104 		struct lsdma_pio_constfill_data {
2105 			uint32_t dst_lo;
2106 			uint32_t dst_hi;
2107 
2108 			union {
2109 				struct {
2110 					uint32_t byte_count      : 26;
2111 					uint32_t src_loc         : 1;
2112 					uint32_t dst_loc         : 1;
2113 					uint32_t src_addr_inc    : 1;
2114 					uint32_t dst_addr_inc    : 1;
2115 					uint32_t overlap_disable : 1;
2116 					uint32_t constant_fill   : 1;
2117 				} fields;
2118 				uint32_t raw;
2119 			} packet;
2120 
2121 			uint32_t data;
2122 		} pio_constfill_data;
2123 
2124 		uint32_t all[14];
2125 	} u;
2126 };
2127 
2128 struct dmub_rb_cmd_lsdma {
2129 	struct dmub_cmd_header header;
2130 	struct dmub_cmd_lsdma_data lsdma_data;
2131 };
2132 
2133 struct dmub_optc_state_v2 {
2134 	uint32_t v_total_min;
2135 	uint32_t v_total_max;
2136 	uint32_t v_total_mid;
2137 	uint32_t v_total_mid_frame_num;
2138 	uint8_t program_manual_trigger;
2139 	uint8_t tg_inst;
2140 	uint8_t pad[2];
2141 };
2142 
2143 struct dmub_optc_position {
2144 	uint32_t vpos;
2145 	uint32_t hpos;
2146 	uint32_t frame;
2147 };
2148 
2149 struct dmub_rb_cmd_fams2_drr_update {
2150 	struct dmub_cmd_header header;
2151 	struct dmub_optc_state_v2 dmub_optc_state_req;
2152 };
2153 
2154 /* HW and FW global configuration data for FAMS2 */
2155 /* FAMS2 types and structs */
2156 enum fams2_stream_type {
2157 	FAMS2_STREAM_TYPE_NONE = 0,
2158 	FAMS2_STREAM_TYPE_VBLANK = 1,
2159 	FAMS2_STREAM_TYPE_VACTIVE = 2,
2160 	FAMS2_STREAM_TYPE_DRR = 3,
2161 	FAMS2_STREAM_TYPE_SUBVP = 4,
2162 };
2163 
2164 struct dmub_rect16 {
2165 	/**
2166 	 * Dirty rect x offset.
2167 	 */
2168 	uint16_t x;
2169 
2170 	/**
2171 	 * Dirty rect y offset.
2172 	 */
2173 	uint16_t y;
2174 
2175 	/**
2176 	 * Dirty rect width.
2177 	 */
2178 	uint16_t width;
2179 
2180 	/**
2181 	 * Dirty rect height.
2182 	 */
2183 	uint16_t height;
2184 };
2185 
2186 /* static stream state */
2187 struct dmub_fams2_legacy_stream_static_state {
2188 	uint8_t vactive_det_fill_delay_otg_vlines;
2189 	uint8_t programming_delay_otg_vlines;
2190 }; //v0
2191 
2192 struct dmub_fams2_subvp_stream_static_state {
2193 	uint16_t vratio_numerator;
2194 	uint16_t vratio_denominator;
2195 	uint16_t phantom_vtotal;
2196 	uint16_t phantom_vactive;
2197 	union {
2198 		struct {
2199 			uint8_t is_multi_planar : 1;
2200 			uint8_t is_yuv420 : 1;
2201 		} bits;
2202 		uint8_t all;
2203 	} config;
2204 	uint8_t programming_delay_otg_vlines;
2205 	uint8_t prefetch_to_mall_otg_vlines;
2206 	uint8_t phantom_otg_inst;
2207 	uint8_t phantom_pipe_mask;
2208 	uint8_t phantom_plane_pipe_masks[DMUB_MAX_PHANTOM_PLANES]; // phantom pipe mask per plane (for flip passthrough)
2209 }; //v0
2210 
2211 struct dmub_fams2_drr_stream_static_state {
2212 	uint16_t nom_stretched_vtotal;
2213 	uint8_t programming_delay_otg_vlines;
2214 	uint8_t only_stretch_if_required;
2215 	uint8_t pad[2];
2216 }; //v0
2217 
2218 struct dmub_fams2_cmd_legacy_stream_static_state {
2219 	uint16_t vactive_det_fill_delay_otg_vlines;
2220 	uint16_t programming_delay_otg_vlines;
2221 }; //v1
2222 
2223 struct dmub_fams2_cmd_subvp_stream_static_state {
2224 	uint16_t vratio_numerator;
2225 	uint16_t vratio_denominator;
2226 	uint16_t phantom_vtotal;
2227 	uint16_t phantom_vactive;
2228 	uint16_t programming_delay_otg_vlines;
2229 	uint16_t prefetch_to_mall_otg_vlines;
2230 	union {
2231 		struct {
2232 			uint8_t is_multi_planar : 1;
2233 			uint8_t is_yuv420 : 1;
2234 		} bits;
2235 		uint8_t all;
2236 	} config;
2237 	uint8_t phantom_otg_inst;
2238 	uint8_t phantom_pipe_mask;
2239 	uint8_t pad0;
2240 	uint8_t phantom_plane_pipe_masks[DMUB_MAX_PHANTOM_PLANES]; // phantom pipe mask per plane (for flip passthrough)
2241 	uint8_t pad1[4 - (DMUB_MAX_PHANTOM_PLANES % 4)];
2242 }; //v1
2243 
2244 struct dmub_fams2_cmd_drr_stream_static_state {
2245 	uint16_t nom_stretched_vtotal;
2246 	uint16_t programming_delay_otg_vlines;
2247 	uint8_t only_stretch_if_required;
2248 	uint8_t pad[3];
2249 }; //v1
2250 
2251 union dmub_fams2_stream_static_sub_state {
2252 	struct dmub_fams2_legacy_stream_static_state legacy;
2253 	struct dmub_fams2_subvp_stream_static_state subvp;
2254 	struct dmub_fams2_drr_stream_static_state drr;
2255 }; //v0
2256 
2257 union dmub_fams2_cmd_stream_static_sub_state {
2258 	COMMON_STREAM_STATIC_SUB_STATE
2259 }; //v1
2260 
2261 union dmub_fams2_stream_static_sub_state_v2 {
2262 	COMMON_STREAM_STATIC_SUB_STATE
2263 }; //v2
2264 
2265 struct dmub_fams2_stream_static_state {
2266 	enum fams2_stream_type type;
2267 	uint32_t otg_vline_time_ns;
2268 	uint32_t otg_vline_time_ticks;
2269 	uint16_t htotal;
2270 	uint16_t vtotal; // nominal vtotal
2271 	uint16_t vblank_start;
2272 	uint16_t vblank_end;
2273 	uint16_t max_vtotal;
2274 	uint16_t allow_start_otg_vline;
2275 	uint16_t allow_end_otg_vline;
2276 	uint16_t drr_keepout_otg_vline; // after this vline, vtotal cannot be changed
2277 	uint8_t scheduling_delay_otg_vlines; // min time to budget for ready to microschedule start
2278 	uint8_t contention_delay_otg_vlines; // time to budget for contention on execution
2279 	uint8_t vline_int_ack_delay_otg_vlines; // min time to budget for vertical interrupt firing
2280 	uint8_t allow_to_target_delay_otg_vlines; // time from allow vline to target vline
2281 	union {
2282 		struct {
2283 			uint8_t is_drr: 1; // stream is DRR enabled
2284 			uint8_t clamp_vtotal_min: 1; // clamp vtotal to min instead of nominal
2285 			uint8_t min_ttu_vblank_usable: 1; // if min ttu vblank is above wm, no force pstate is needed in blank
2286 		} bits;
2287 		uint8_t all;
2288 	} config;
2289 	uint8_t otg_inst;
2290 	uint8_t pipe_mask; // pipe mask for the whole config
2291 	uint8_t num_planes;
2292 	uint8_t plane_pipe_masks[DMUB_MAX_PLANES]; // pipe mask per plane (for flip passthrough)
2293 	uint8_t pad[4 - (DMUB_MAX_PLANES % 4)];
2294 	union dmub_fams2_stream_static_sub_state sub_state;
2295 }; //v0
2296 
2297 struct dmub_fams2_cmd_stream_static_base_state {
2298 	enum fams2_stream_type type;
2299 	uint32_t otg_vline_time_ns;
2300 	uint32_t otg_vline_time_ticks;
2301 	uint16_t htotal;
2302 	uint16_t vtotal; // nominal vtotal
2303 	uint16_t vblank_start;
2304 	uint16_t vblank_end;
2305 	uint16_t max_vtotal;
2306 	uint16_t allow_start_otg_vline;
2307 	uint16_t allow_end_otg_vline;
2308 	uint16_t drr_keepout_otg_vline; // after this vline, vtotal cannot be changed
2309 	uint16_t scheduling_delay_otg_vlines; // min time to budget for ready to microschedule start
2310 	uint16_t contention_delay_otg_vlines; // time to budget for contention on execution
2311 	uint16_t vline_int_ack_delay_otg_vlines; // min time to budget for vertical interrupt firing
2312 	uint16_t allow_to_target_delay_otg_vlines; // time from allow vline to target vline
2313 	union {
2314 		struct {
2315 			uint8_t is_drr : 1; // stream is DRR enabled
2316 			uint8_t clamp_vtotal_min : 1; // clamp vtotal to min instead of nominal
2317 			uint8_t min_ttu_vblank_usable : 1; // if min ttu vblank is above wm, no force pstate is needed in blank
2318 		} bits;
2319 		uint8_t all;
2320 	} config;
2321 	uint8_t otg_inst;
2322 	uint8_t pipe_mask; // pipe mask for the whole config
2323 	uint8_t num_planes;
2324 	uint8_t plane_pipe_masks[DMUB_MAX_PLANES]; // pipe mask per plane (for flip passthrough)
2325 	uint8_t pad[4 - (DMUB_MAX_PLANES % 4)];
2326 }; //v1
2327 
2328 struct dmub_fams2_stream_static_state_v1 {
2329 	struct dmub_fams2_cmd_stream_static_base_state base;
2330 	union dmub_fams2_stream_static_sub_state_v2 sub_state;
2331 }; //v1
2332 
2333 /**
2334  * enum dmub_fams2_allow_delay_check_mode - macroscheduler mode for breaking on excessive
2335  * p-state request to allow latency
2336  */
2337 enum dmub_fams2_allow_delay_check_mode {
2338 	/* No check for request to allow delay */
2339 	FAMS2_ALLOW_DELAY_CHECK_NONE = 0,
2340 	/* Check for request to allow delay */
2341 	FAMS2_ALLOW_DELAY_CHECK_FROM_START = 1,
2342 	/* Check for prepare to allow delay */
2343 	FAMS2_ALLOW_DELAY_CHECK_FROM_PREPARE = 2,
2344 };
2345 
2346 union dmub_fams2_global_feature_config {
2347 	struct {
2348 		uint32_t enable: 1;
2349 		uint32_t enable_ppt_check: 1;
2350 		uint32_t enable_stall_recovery: 1;
2351 		uint32_t enable_debug: 1;
2352 		uint32_t enable_offload_flip: 1;
2353 		uint32_t enable_visual_confirm: 1;
2354 		uint32_t allow_delay_check_mode: 2;
2355 		uint32_t reserved: 24;
2356 	} bits;
2357 	uint32_t all;
2358 };
2359 
2360 struct dmub_cmd_fams2_global_config {
2361 	uint32_t max_allow_delay_us; // max delay to assert allow from uclk change begin
2362 	uint32_t lock_wait_time_us; // time to forecast acquisition of lock
2363 	uint32_t num_streams;
2364 	union dmub_fams2_global_feature_config features;
2365 	uint32_t recovery_timeout_us;
2366 	uint32_t hwfq_flip_programming_delay_us;
2367 	uint32_t max_allow_to_target_delta_us; // how early DCN could assert P-State allow compared to the P-State target
2368 };
2369 
2370 union dmub_cmd_fams2_config {
2371 	struct dmub_cmd_fams2_global_config global;
2372 	struct dmub_fams2_stream_static_state stream; //v0
2373 	union {
2374 		struct dmub_fams2_cmd_stream_static_base_state base;
2375 		union dmub_fams2_cmd_stream_static_sub_state sub_state;
2376 	} stream_v1; //v1
2377 };
2378 
2379 struct dmub_fams2_config_v2 {
2380 	struct dmub_cmd_fams2_global_config global;
2381 	struct dmub_fams2_stream_static_state_v1 stream_v1[DMUB_MAX_STREAMS]; //v1
2382 };
2383 
2384 /**
2385  * DMUB rb command definition for FAMS2 (merged SubVP, FPO, Legacy)
2386  */
2387 struct dmub_rb_cmd_fams2 {
2388 	struct dmub_cmd_header header;
2389 	union dmub_cmd_fams2_config config;
2390 };
2391 
2392 /**
2393  * Indirect buffer descriptor
2394  */
2395 struct dmub_ib_data {
2396 	union dmub_addr src; // location of indirect buffer in memory
2397 	uint16_t size; // indirect buffer size in bytes
2398 };
2399 
2400 /**
2401  * DMUB rb command definition for commands passed over indirect buffer
2402  */
2403 struct dmub_rb_cmd_ib {
2404 	struct dmub_cmd_header header;
2405 	struct dmub_ib_data ib_data;
2406 };
2407 
2408 /**
2409  * enum dmub_cmd_idle_opt_type - Idle optimization command type.
2410  */
2411 enum dmub_cmd_idle_opt_type {
2412 	/**
2413 	 * DCN hardware restore.
2414 	 */
2415 	DMUB_CMD__IDLE_OPT_DCN_RESTORE = 0,
2416 
2417 	/**
2418 	 * DCN hardware save.
2419 	 */
2420 	DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT = 1,
2421 
2422 	/**
2423 	 * DCN hardware notify idle.
2424 	 */
2425 	DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE = 2,
2426 
2427 	/**
2428 	 * DCN hardware notify power state.
2429 	 */
2430 	DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE = 3,
2431 
2432 	/**
2433 	 * DCN notify to release HW.
2434 	 */
2435 	 DMUB_CMD__IDLE_OPT_RELEASE_HW = 4,
2436 };
2437 
2438 /**
2439  * struct dmub_rb_cmd_idle_opt_dcn_restore - DCN restore command data.
2440  */
2441 struct dmub_rb_cmd_idle_opt_dcn_restore {
2442 	struct dmub_cmd_header header; /**< header */
2443 };
2444 
2445 /**
2446  * struct dmub_dcn_notify_idle_cntl_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
2447  */
2448 struct dmub_dcn_notify_idle_cntl_data {
2449 	uint8_t driver_idle;
2450 	uint8_t skip_otg_disable;
2451 	uint8_t reserved[58];
2452 };
2453 
2454 /**
2455  * struct dmub_rb_cmd_idle_opt_dcn_notify_idle - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
2456  */
2457 struct dmub_rb_cmd_idle_opt_dcn_notify_idle {
2458 	struct dmub_cmd_header header; /**< header */
2459 	struct dmub_dcn_notify_idle_cntl_data cntl_data;
2460 };
2461 
2462 /**
2463  * enum dmub_idle_opt_dc_power_state - DC power states.
2464  */
2465 enum dmub_idle_opt_dc_power_state {
2466 	DMUB_IDLE_OPT_DC_POWER_STATE_UNKNOWN = 0,
2467 	DMUB_IDLE_OPT_DC_POWER_STATE_D0 = 1,
2468 	DMUB_IDLE_OPT_DC_POWER_STATE_D1 = 2,
2469 	DMUB_IDLE_OPT_DC_POWER_STATE_D2 = 4,
2470 	DMUB_IDLE_OPT_DC_POWER_STATE_D3 = 8,
2471 };
2472 
2473 /**
2474  * struct dmub_idle_opt_set_dc_power_state_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command.
2475  */
2476 struct dmub_idle_opt_set_dc_power_state_data {
2477 	uint8_t power_state; /**< power state */
2478 	uint8_t pad[3]; /**< padding */
2479 };
2480 
2481 /**
2482  * 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.
2483  */
2484 struct dmub_rb_cmd_idle_opt_set_dc_power_state {
2485 	struct dmub_cmd_header header; /**< header */
2486 	struct dmub_idle_opt_set_dc_power_state_data data;
2487 };
2488 
2489 /**
2490  * struct dmub_clocks - Clock update notification.
2491  */
2492 struct dmub_clocks {
2493 	uint32_t dispclk_khz; /**< dispclk kHz */
2494 	uint32_t dppclk_khz; /**< dppclk kHz */
2495 	uint32_t dcfclk_khz; /**< dcfclk kHz */
2496 	uint32_t dcfclk_deep_sleep_khz; /**< dcfclk deep sleep kHz */
2497 };
2498 
2499 /**
2500  * enum dmub_cmd_clk_mgr_type - Clock manager commands.
2501  */
2502 enum dmub_cmd_clk_mgr_type {
2503 	/**
2504 	 * Notify DMCUB of clock update.
2505 	 */
2506 	DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS = 0,
2507 };
2508 
2509 /**
2510  * struct dmub_rb_cmd_clk_mgr_notify_clocks - Clock update notification.
2511  */
2512 struct dmub_rb_cmd_clk_mgr_notify_clocks {
2513 	struct dmub_cmd_header header; /**< header */
2514 	struct dmub_clocks clocks; /**< clock data */
2515 };
2516 
2517 /**
2518  * struct dmub_cmd_digx_encoder_control_data - Encoder control data.
2519  */
2520 struct dmub_cmd_digx_encoder_control_data {
2521 	union dig_encoder_control_parameters_v1_5 dig; /**< payload */
2522 };
2523 
2524 /**
2525  * struct dmub_rb_cmd_digx_encoder_control - Encoder control command.
2526  */
2527 struct dmub_rb_cmd_digx_encoder_control {
2528 	struct dmub_cmd_header header;  /**< header */
2529 	struct dmub_cmd_digx_encoder_control_data encoder_control; /**< payload */
2530 };
2531 
2532 /**
2533  * struct dmub_cmd_set_pixel_clock_data - Set pixel clock data.
2534  */
2535 struct dmub_cmd_set_pixel_clock_data {
2536 	struct set_pixel_clock_parameter_v1_7 clk; /**< payload */
2537 };
2538 
2539 /**
2540  * struct dmub_cmd_set_pixel_clock_data - Set pixel clock command.
2541  */
2542 struct dmub_rb_cmd_set_pixel_clock {
2543 	struct dmub_cmd_header header; /**< header */
2544 	struct dmub_cmd_set_pixel_clock_data pixel_clock; /**< payload */
2545 };
2546 
2547 /**
2548  * struct dmub_cmd_enable_disp_power_gating_data - Display power gating.
2549  */
2550 struct dmub_cmd_enable_disp_power_gating_data {
2551 	struct enable_disp_power_gating_parameters_v2_1 pwr; /**< payload */
2552 };
2553 
2554 /**
2555  * struct dmub_rb_cmd_enable_disp_power_gating - Display power command.
2556  */
2557 struct dmub_rb_cmd_enable_disp_power_gating {
2558 	struct dmub_cmd_header header; /**< header */
2559 	struct dmub_cmd_enable_disp_power_gating_data power_gating;  /**< payload */
2560 };
2561 
2562 /**
2563  * struct dmub_dig_transmitter_control_data_v1_7 - Transmitter control.
2564  */
2565 struct dmub_dig_transmitter_control_data_v1_7 {
2566 	uint8_t phyid; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
2567 	uint8_t action; /**< Defined as ATOM_TRANSMITER_ACTION_xxx */
2568 	union {
2569 		uint8_t digmode; /**< enum atom_encode_mode_def */
2570 		uint8_t dplaneset; /**< DP voltage swing and pre-emphasis value, "DP_LANE_SET__xDB_y_zV" */
2571 	} mode_laneset;
2572 	uint8_t lanenum; /**< Number of lanes */
2573 	union {
2574 		uint32_t symclk_10khz; /**< Symbol Clock in 10Khz */
2575 	} symclk_units;
2576 	uint8_t hpdsel; /**< =1: HPD1, =2: HPD2, ..., =6: HPD6, =0: HPD is not assigned */
2577 	uint8_t digfe_sel; /**< DIG front-end selection, bit0 means DIG0 FE is enabled */
2578 	uint8_t connobj_id; /**< Connector Object Id defined in ObjectId.h */
2579 	uint8_t HPO_instance; /**< HPO instance (0: inst0, 1: inst1) */
2580 	uint8_t reserved1; /**< For future use */
2581 	uint8_t skip_phy_ssc_reduction;
2582 	uint8_t reserved2[2]; /**< For future use */
2583 	uint32_t reserved3[11]; /**< For future use */
2584 };
2585 
2586 /**
2587  * union dmub_cmd_dig1_transmitter_control_data - Transmitter control data.
2588  */
2589 union dmub_cmd_dig1_transmitter_control_data {
2590 	struct dig_transmitter_control_parameters_v1_6 dig; /**< payload */
2591 	struct dmub_dig_transmitter_control_data_v1_7 dig_v1_7;  /**< payload 1.7 */
2592 };
2593 
2594 /**
2595  * struct dmub_rb_cmd_dig1_transmitter_control - Transmitter control command.
2596  */
2597 struct dmub_rb_cmd_dig1_transmitter_control {
2598 	struct dmub_cmd_header header; /**< header */
2599 	union dmub_cmd_dig1_transmitter_control_data transmitter_control; /**< payload */
2600 };
2601 
2602 /**
2603  * struct dmub_rb_cmd_domain_control_data - Data for DOMAIN power control
2604  */
2605 struct dmub_rb_cmd_domain_control_data {
2606 	uint8_t inst : 6; /**< DOMAIN instance to control */
2607 	uint8_t power_gate : 1; /**< 1=power gate, 0=power up */
2608 	uint8_t reserved[3]; /**< Reserved for future use */
2609 };
2610 
2611 /**
2612  * struct dmub_rb_cmd_domain_control - Controls DOMAIN power gating
2613  */
2614 struct dmub_rb_cmd_domain_control {
2615 	struct dmub_cmd_header header; /**< header */
2616 	struct dmub_rb_cmd_domain_control_data data; /**< payload */
2617 };
2618 
2619 /**
2620  * DPIA tunnel command parameters.
2621  */
2622 struct dmub_cmd_dig_dpia_control_data {
2623 	uint8_t enc_id;         /** 0 = ENGINE_ID_DIGA, ... */
2624 	uint8_t action;         /** ATOM_TRANSMITER_ACTION_DISABLE/ENABLE/SETUP_VSEMPH */
2625 	union {
2626 		uint8_t digmode;    /** enum atom_encode_mode_def */
2627 		uint8_t dplaneset;  /** DP voltage swing and pre-emphasis value */
2628 	} mode_laneset;
2629 	uint8_t lanenum;        /** Lane number 1, 2, 4, 8 */
2630 	uint32_t symclk_10khz;  /** Symbol Clock in 10Khz */
2631 	uint8_t hpdsel;         /** =0: HPD is not assigned */
2632 	uint8_t digfe_sel;      /** DIG stream( front-end ) selection, bit0 - DIG0 FE */
2633 	uint8_t dpia_id;        /** Index of DPIA */
2634 	uint8_t fec_rdy : 1;
2635 	uint8_t reserved : 7;
2636 	uint32_t reserved1;
2637 };
2638 
2639 /**
2640  * DMUB command for DPIA tunnel control.
2641  */
2642 struct dmub_rb_cmd_dig1_dpia_control {
2643 	struct dmub_cmd_header header;
2644 	struct dmub_cmd_dig_dpia_control_data dpia_control;
2645 };
2646 
2647 /**
2648  * SET_CONFIG Command Payload (deprecated)
2649  */
2650 struct set_config_cmd_payload {
2651 	uint8_t msg_type; /* set config message type */
2652 	uint8_t msg_data; /* set config message data */
2653 };
2654 
2655 /**
2656  * Data passed from driver to FW in a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command. (deprecated)
2657  */
2658 struct dmub_cmd_set_config_control_data {
2659 	struct set_config_cmd_payload cmd_pkt;
2660 	uint8_t instance; /* DPIA instance */
2661 	uint8_t immed_status; /* Immediate status returned in case of error */
2662 };
2663 
2664 /**
2665  * SET_CONFIG Request Command Payload
2666  */
2667 struct set_config_request_cmd_payload {
2668 	uint8_t instance; /* DPIA instance */
2669 	uint8_t immed_status; /* Immediate status returned in case of error */
2670 	uint8_t msg_type; /* set config message type */
2671 	uint8_t reserved;
2672 	uint32_t msg_data; /* set config message data */
2673 };
2674 
2675 /**
2676  * DMUB command structure for SET_CONFIG command.
2677  */
2678 struct dmub_rb_cmd_set_config_access {
2679 	struct dmub_cmd_header header; /* header */
2680 	struct dmub_cmd_set_config_control_data set_config_control; /* set config data */
2681 };
2682 
2683 /**
2684  * DMUB command structure for SET_CONFIG request command.
2685  */
2686 struct dmub_rb_cmd_set_config_request {
2687 	struct dmub_cmd_header header; /* header */
2688 	struct set_config_request_cmd_payload payload; /* set config request payload */
2689 };
2690 
2691 /**
2692  * Data passed from driver to FW in a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
2693  */
2694 struct dmub_cmd_mst_alloc_slots_control_data {
2695 	uint8_t mst_alloc_slots; /* mst slots to be allotted */
2696 	uint8_t instance; /* DPIA instance */
2697 	uint8_t immed_status; /* Immediate status returned as there is no outbox msg posted */
2698 	uint8_t mst_slots_in_use; /* returns slots in use for error cases */
2699 };
2700 
2701 /**
2702  * DMUB command structure for SET_ command.
2703  */
2704 struct dmub_rb_cmd_set_mst_alloc_slots {
2705 	struct dmub_cmd_header header; /* header */
2706 	struct dmub_cmd_mst_alloc_slots_control_data mst_slots_control; /* mst slots control */
2707 };
2708 
2709 /**
2710  * Data passed from driver to FW in a DMUB_CMD__SET_TPS_NOTIFICATION command.
2711  */
2712 struct dmub_cmd_tps_notification_data {
2713 	uint8_t instance; /* DPIA instance */
2714 	uint8_t tps; /* requested training pattern */
2715 	uint8_t reserved1;
2716 	uint8_t reserved2;
2717 };
2718 
2719 /**
2720  * DMUB command structure for SET_TPS_NOTIFICATION command.
2721  */
2722 struct dmub_rb_cmd_set_tps_notification {
2723 	struct dmub_cmd_header header; /* header */
2724 	struct dmub_cmd_tps_notification_data tps_notification; /* set tps_notification data */
2725 };
2726 
2727 /**
2728  * DMUB command structure for DPIA HPD int enable control.
2729  */
2730 struct dmub_rb_cmd_dpia_hpd_int_enable {
2731 	struct dmub_cmd_header header; /* header */
2732 	uint32_t enable; /* dpia hpd interrupt enable */
2733 };
2734 
2735 /**
2736  * struct dmub_rb_cmd_dpphy_init - DPPHY init.
2737  */
2738 struct dmub_rb_cmd_dpphy_init {
2739 	struct dmub_cmd_header header; /**< header */
2740 	uint8_t reserved[60]; /**< reserved bits */
2741 };
2742 
2743 /**
2744  * enum dp_aux_request_action - DP AUX request command listing.
2745  *
2746  * 4 AUX request command bits are shifted to high nibble.
2747  */
2748 enum dp_aux_request_action {
2749 	/** I2C-over-AUX write request */
2750 	DP_AUX_REQ_ACTION_I2C_WRITE		= 0x00,
2751 	/** I2C-over-AUX read request */
2752 	DP_AUX_REQ_ACTION_I2C_READ		= 0x10,
2753 	/** I2C-over-AUX write status request */
2754 	DP_AUX_REQ_ACTION_I2C_STATUS_REQ	= 0x20,
2755 	/** I2C-over-AUX write request with MOT=1 */
2756 	DP_AUX_REQ_ACTION_I2C_WRITE_MOT		= 0x40,
2757 	/** I2C-over-AUX read request with MOT=1 */
2758 	DP_AUX_REQ_ACTION_I2C_READ_MOT		= 0x50,
2759 	/** I2C-over-AUX write status request with MOT=1 */
2760 	DP_AUX_REQ_ACTION_I2C_STATUS_REQ_MOT	= 0x60,
2761 	/** Native AUX write request */
2762 	DP_AUX_REQ_ACTION_DPCD_WRITE		= 0x80,
2763 	/** Native AUX read request */
2764 	DP_AUX_REQ_ACTION_DPCD_READ		= 0x90
2765 };
2766 
2767 /**
2768  * enum aux_return_code_type - DP AUX process return code listing.
2769  */
2770 enum aux_return_code_type {
2771 	/** AUX process succeeded */
2772 	AUX_RET_SUCCESS = 0,
2773 	/** AUX process failed with unknown reason */
2774 	AUX_RET_ERROR_UNKNOWN,
2775 	/** AUX process completed with invalid reply */
2776 	AUX_RET_ERROR_INVALID_REPLY,
2777 	/** AUX process timed out */
2778 	AUX_RET_ERROR_TIMEOUT,
2779 	/** HPD was low during AUX process */
2780 	AUX_RET_ERROR_HPD_DISCON,
2781 	/** Failed to acquire AUX engine */
2782 	AUX_RET_ERROR_ENGINE_ACQUIRE,
2783 	/** AUX request not supported */
2784 	AUX_RET_ERROR_INVALID_OPERATION,
2785 	/** AUX process not available */
2786 	AUX_RET_ERROR_PROTOCOL_ERROR,
2787 };
2788 
2789 /**
2790  * enum aux_channel_type - DP AUX channel type listing.
2791  */
2792 enum aux_channel_type {
2793 	/** AUX thru Legacy DP AUX */
2794 	AUX_CHANNEL_LEGACY_DDC,
2795 	/** AUX thru DPIA DP tunneling */
2796 	AUX_CHANNEL_DPIA
2797 };
2798 
2799 /**
2800  * struct aux_transaction_parameters - DP AUX request transaction data
2801  */
2802 struct aux_transaction_parameters {
2803 	uint8_t is_i2c_over_aux; /**< 0=native AUX, 1=I2C-over-AUX */
2804 	uint8_t action; /**< enum dp_aux_request_action */
2805 	uint8_t length; /**< DP AUX request data length */
2806 	uint8_t reserved; /**< For future use */
2807 	uint32_t address; /**< DP AUX address */
2808 	uint8_t data[16]; /**< DP AUX write data */
2809 };
2810 
2811 /**
2812  * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
2813  */
2814 struct dmub_cmd_dp_aux_control_data {
2815 	uint8_t instance; /**< AUX instance or DPIA instance */
2816 	uint8_t manual_acq_rel_enable; /**< manual control for acquiring or releasing AUX channel */
2817 	uint8_t sw_crc_enabled; /**< Use software CRC for tunneling packet instead of hardware CRC */
2818 	uint8_t reserved0; /**< For future use */
2819 	uint16_t timeout; /**< timeout time in us */
2820 	uint16_t reserved1; /**< For future use */
2821 	enum aux_channel_type type; /**< enum aux_channel_type */
2822 	struct aux_transaction_parameters dpaux; /**< struct aux_transaction_parameters */
2823 };
2824 
2825 /**
2826  * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
2827  */
2828 struct dmub_rb_cmd_dp_aux_access {
2829 	/**
2830 	 * Command header.
2831 	 */
2832 	struct dmub_cmd_header header;
2833 	/**
2834 	 * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
2835 	 */
2836 	struct dmub_cmd_dp_aux_control_data aux_control;
2837 };
2838 
2839 /**
2840  * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
2841  */
2842 struct dmub_rb_cmd_outbox1_enable {
2843 	/**
2844 	 * Command header.
2845 	 */
2846 	struct dmub_cmd_header header;
2847 	/**
2848 	 *  enable: 0x0 -> disable outbox1 notification (default value)
2849 	 *			0x1 -> enable outbox1 notification
2850 	 */
2851 	uint32_t enable;
2852 };
2853 
2854 /* DP AUX Reply command - OutBox Cmd */
2855 /**
2856  * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2857  */
2858 struct aux_reply_data {
2859 	/**
2860 	 * Aux cmd
2861 	 */
2862 	uint8_t command;
2863 	/**
2864 	 * Aux reply data length (max: 16 bytes)
2865 	 */
2866 	uint8_t length;
2867 	/**
2868 	 * Alignment only
2869 	 */
2870 	uint8_t pad[2];
2871 	/**
2872 	 * Aux reply data
2873 	 */
2874 	uint8_t data[16];
2875 };
2876 
2877 /**
2878  * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2879  */
2880 struct aux_reply_control_data {
2881 	/**
2882 	 * Reserved for future use
2883 	 */
2884 	uint32_t handle;
2885 	/**
2886 	 * Aux Instance
2887 	 */
2888 	uint8_t instance;
2889 	/**
2890 	 * Aux transaction result: definition in enum aux_return_code_type
2891 	 */
2892 	uint8_t result;
2893 	/**
2894 	 * Alignment only
2895 	 */
2896 	uint16_t pad;
2897 };
2898 
2899 /**
2900  * Definition of a DMUB_OUT_CMD__DP_AUX_REPLY command.
2901  */
2902 struct dmub_rb_cmd_dp_aux_reply {
2903 	/**
2904 	 * Command header.
2905 	 */
2906 	struct dmub_cmd_header header;
2907 	/**
2908 	 * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2909 	 */
2910 	struct aux_reply_control_data control;
2911 	/**
2912 	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2913 	 */
2914 	struct aux_reply_data reply_data;
2915 };
2916 
2917 /* DP HPD Notify command - OutBox Cmd */
2918 /**
2919  * DP HPD Type
2920  */
2921 enum dp_hpd_type {
2922 	/**
2923 	 * Normal DP HPD
2924 	 */
2925 	DP_HPD = 0,
2926 	/**
2927 	 * DP HPD short pulse
2928 	 */
2929 	DP_IRQ = 1,
2930 	/**
2931 	 * Failure to acquire DP HPD state
2932 	 */
2933 	DP_NONE_HPD = 2
2934 };
2935 
2936 /**
2937  * DP HPD Status
2938  */
2939 enum dp_hpd_status {
2940 	/**
2941 	 * DP_HPD status low
2942 	 */
2943 	DP_HPD_UNPLUG = 0,
2944 	/**
2945 	 * DP_HPD status high
2946 	 */
2947 	DP_HPD_PLUG
2948 };
2949 
2950 /**
2951  * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2952  */
2953 struct dp_hpd_data {
2954 	/**
2955 	 * DP HPD instance
2956 	 */
2957 	uint8_t instance;
2958 	/**
2959 	 * HPD type
2960 	 */
2961 	uint8_t hpd_type;
2962 	/**
2963 	 * HPD status: only for type: DP_HPD to indicate status
2964 	 */
2965 	uint8_t hpd_status;
2966 	/**
2967 	 * Alignment only
2968 	 */
2969 	uint8_t pad;
2970 };
2971 
2972 /**
2973  * Definition of a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2974  */
2975 struct dmub_rb_cmd_dp_hpd_notify {
2976 	/**
2977 	 * Command header.
2978 	 */
2979 	struct dmub_cmd_header header;
2980 	/**
2981 	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2982 	 */
2983 	struct dp_hpd_data hpd_data;
2984 };
2985 
2986 /**
2987  * Definition of a SET_CONFIG reply from DPOA.
2988  */
2989 enum set_config_status {
2990 	SET_CONFIG_PENDING = 0,
2991 	SET_CONFIG_ACK_RECEIVED,
2992 	SET_CONFIG_RX_TIMEOUT,
2993 	SET_CONFIG_UNKNOWN_ERROR,
2994 };
2995 
2996 /**
2997  * Definition of a set_config reply
2998  */
2999 struct set_config_reply_control_data {
3000 	uint8_t instance; /* DPIA Instance */
3001 	uint8_t status; /* Set Config reply */
3002 	uint16_t pad; /* Alignment */
3003 };
3004 
3005 /**
3006  * Definition of a DMUB_OUT_CMD__SET_CONFIG_REPLY command.
3007  */
3008 struct dmub_rb_cmd_dp_set_config_reply {
3009 	struct dmub_cmd_header header;
3010 	struct set_config_reply_control_data set_config_reply_control;
3011 };
3012 
3013 /**
3014  * Definition of a DPIA notification header
3015  */
3016 struct dpia_notification_header {
3017 	uint8_t instance; /**< DPIA Instance */
3018 	uint8_t reserved[3];
3019 	enum dmub_cmd_dpia_notification_type type; /**< DPIA notification type */
3020 };
3021 
3022 /**
3023  * Definition of the common data struct of DPIA notification
3024  */
3025 struct dpia_notification_common {
3026 	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)
3027 								- sizeof(struct dpia_notification_header)];
3028 };
3029 
3030 /**
3031  * Definition of a DPIA notification data
3032  */
3033 struct dpia_bw_allocation_notify_data {
3034 	union {
3035 		struct {
3036 			uint16_t cm_bw_alloc_support: 1; /**< USB4 CM BW Allocation mode support */
3037 			uint16_t bw_request_failed: 1; /**< BW_Request_Failed */
3038 			uint16_t bw_request_succeeded: 1; /**< BW_Request_Succeeded */
3039 			uint16_t est_bw_changed: 1; /**< Estimated_BW changed */
3040 			uint16_t bw_alloc_cap_changed: 1; /**< BW_Allocation_Capabiity_Changed */
3041 			uint16_t reserved: 11; /**< Reserved */
3042 		} bits;
3043 
3044 		uint16_t flags;
3045 	};
3046 
3047 	uint8_t cm_id; /**< CM ID */
3048 	uint8_t group_id; /**< Group ID */
3049 	uint8_t granularity; /**< BW Allocation Granularity */
3050 	uint8_t estimated_bw; /**< Estimated_BW */
3051 	uint8_t allocated_bw; /**< Allocated_BW */
3052 	uint8_t reserved;
3053 };
3054 
3055 /**
3056  * union dpia_notify_data_type - DPIA Notification in Outbox command
3057  */
3058 union dpia_notification_data {
3059 	/**
3060 	 * DPIA Notification for common data struct
3061 	 */
3062 	struct dpia_notification_common common_data;
3063 
3064 	/**
3065 	 * DPIA Notification for DP BW Allocation support
3066 	 */
3067 	struct dpia_bw_allocation_notify_data dpia_bw_alloc;
3068 };
3069 
3070 /**
3071  * Definition of a DPIA notification payload
3072  */
3073 struct dpia_notification_payload {
3074 	struct dpia_notification_header header;
3075 	union dpia_notification_data data; /**< DPIA notification payload data */
3076 };
3077 
3078 /**
3079  * Definition of a DMUB_OUT_CMD__DPIA_NOTIFICATION command.
3080  */
3081 struct dmub_rb_cmd_dpia_notification {
3082 	struct dmub_cmd_header header; /**< DPIA notification header */
3083 	struct dpia_notification_payload payload; /**< DPIA notification payload */
3084 };
3085 
3086 /**
3087  * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
3088  */
3089 struct dmub_cmd_hpd_state_query_data {
3090 	uint8_t instance; /**< HPD instance or DPIA instance */
3091 	uint8_t result; /**< For returning HPD state */
3092 	uint16_t pad; /** < Alignment */
3093 	enum aux_channel_type ch_type; /**< enum aux_channel_type */
3094 	enum aux_return_code_type status; /**< for returning the status of command */
3095 };
3096 
3097 /**
3098  * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
3099  */
3100 struct dmub_rb_cmd_query_hpd_state {
3101 	/**
3102 	 * Command header.
3103 	 */
3104 	struct dmub_cmd_header header;
3105 	/**
3106 	 * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
3107 	 */
3108 	struct dmub_cmd_hpd_state_query_data data;
3109 };
3110 
3111 /**
3112  * struct dmub_rb_cmd_hpd_sense_notify - HPD sense notification data.
3113  */
3114 struct dmub_rb_cmd_hpd_sense_notify_data {
3115 	uint32_t old_hpd_sense_mask; /**< Old HPD sense mask */
3116 	uint32_t new_hpd_sense_mask; /**< New HPD sense mask */
3117 };
3118 
3119 /**
3120  * struct dmub_rb_cmd_hpd_sense_notify - DMUB_OUT_CMD__HPD_SENSE_NOTIFY command.
3121  */
3122 struct dmub_rb_cmd_hpd_sense_notify {
3123 	struct dmub_cmd_header header; /**< header */
3124 	struct dmub_rb_cmd_hpd_sense_notify_data data; /**< payload */
3125 };
3126 
3127 /*
3128  * Command IDs should be treated as stable ABI.
3129  * Do not reuse or modify IDs.
3130  */
3131 
3132 /**
3133  * PSR command sub-types.
3134  */
3135 enum dmub_cmd_psr_type {
3136 	/**
3137 	 * Set PSR version support.
3138 	 */
3139 	DMUB_CMD__PSR_SET_VERSION		= 0,
3140 	/**
3141 	 * Copy driver-calculated parameters to PSR state.
3142 	 */
3143 	DMUB_CMD__PSR_COPY_SETTINGS		= 1,
3144 	/**
3145 	 * Enable PSR.
3146 	 */
3147 	DMUB_CMD__PSR_ENABLE			= 2,
3148 
3149 	/**
3150 	 * Disable PSR.
3151 	 */
3152 	DMUB_CMD__PSR_DISABLE			= 3,
3153 
3154 	/**
3155 	 * Set PSR level.
3156 	 * PSR level is a 16-bit value dicated by driver that
3157 	 * will enable/disable different functionality.
3158 	 */
3159 	DMUB_CMD__PSR_SET_LEVEL			= 4,
3160 
3161 	/**
3162 	 * Forces PSR enabled until an explicit PSR disable call.
3163 	 */
3164 	DMUB_CMD__PSR_FORCE_STATIC		= 5,
3165 	/**
3166 	 * Set vtotal in psr active for FreeSync PSR.
3167 	 */
3168 	DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE = 6,
3169 	/**
3170 	 * Set PSR power option
3171 	 */
3172 	DMUB_CMD__SET_PSR_POWER_OPT = 7,
3173 };
3174 
3175 /**
3176  * Different PSR residency modes.
3177  * Different modes change the definition of PSR residency.
3178  */
3179 enum psr_residency_mode {
3180 	PSR_RESIDENCY_MODE_PHY = 0,
3181 	PSR_RESIDENCY_MODE_ALPM,
3182 	PSR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
3183 	/* Do not add below. */
3184 	PSR_RESIDENCY_MODE_LAST_ELEMENT,
3185 };
3186 
3187 enum dmub_cmd_fams_type {
3188 	DMUB_CMD__FAMS_SETUP_FW_CTRL	= 0,
3189 	DMUB_CMD__FAMS_DRR_UPDATE		= 1,
3190 	DMUB_CMD__HANDLE_SUBVP_CMD	= 2, // specifically for SubVP cmd
3191 	/**
3192 	 * For SubVP set manual trigger in FW because it
3193 	 * triggers DRR_UPDATE_PENDING which SubVP relies
3194 	 * on (for any SubVP cases that use a DRR display)
3195 	 */
3196 	DMUB_CMD__FAMS_SET_MANUAL_TRIGGER = 3,
3197 	DMUB_CMD__FAMS2_CONFIG = 4,
3198 	DMUB_CMD__FAMS2_DRR_UPDATE = 5,
3199 	DMUB_CMD__FAMS2_FLIP = 6,
3200 	DMUB_CMD__FAMS2_IB_CONFIG = 7,
3201 };
3202 
3203 /**
3204  * PSR versions.
3205  */
3206 enum psr_version {
3207 	/**
3208 	 * PSR version 1.
3209 	 */
3210 	PSR_VERSION_1				= 0,
3211 	/**
3212 	 * Freesync PSR SU.
3213 	 */
3214 	PSR_VERSION_SU_1			= 1,
3215 	/**
3216 	 * PSR not supported.
3217 	 */
3218 	PSR_VERSION_UNSUPPORTED			= 0xFF,	// psr_version field is only 8 bits wide
3219 };
3220 
3221 /**
3222  * PHY Link rate for DP.
3223  */
3224 enum phy_link_rate {
3225 	/**
3226 	 * not supported.
3227 	 */
3228 	PHY_RATE_UNKNOWN = 0,
3229 	/**
3230 	 * Rate_1 (RBR)	- 1.62 Gbps/Lane
3231 	 */
3232 	PHY_RATE_162 = 1,
3233 	/**
3234 	 * Rate_2		- 2.16 Gbps/Lane
3235 	 */
3236 	PHY_RATE_216 = 2,
3237 	/**
3238 	 * Rate_3		- 2.43 Gbps/Lane
3239 	 */
3240 	PHY_RATE_243 = 3,
3241 	/**
3242 	 * Rate_4 (HBR)	- 2.70 Gbps/Lane
3243 	 */
3244 	PHY_RATE_270 = 4,
3245 	/**
3246 	 * Rate_5 (RBR2)- 3.24 Gbps/Lane
3247 	 */
3248 	PHY_RATE_324 = 5,
3249 	/**
3250 	 * Rate_6		- 4.32 Gbps/Lane
3251 	 */
3252 	PHY_RATE_432 = 6,
3253 	/**
3254 	 * Rate_7 (HBR2)- 5.40 Gbps/Lane
3255 	 */
3256 	PHY_RATE_540 = 7,
3257 	/**
3258 	 * Rate_8 (HBR3)- 8.10 Gbps/Lane
3259 	 */
3260 	PHY_RATE_810 = 8,
3261 	/**
3262 	 * UHBR10 - 10.0 Gbps/Lane
3263 	 */
3264 	PHY_RATE_1000 = 9,
3265 	/**
3266 	 * UHBR13.5 - 13.5 Gbps/Lane
3267 	 */
3268 	PHY_RATE_1350 = 10,
3269 	/**
3270 	 * UHBR10 - 20.0 Gbps/Lane
3271 	 */
3272 	PHY_RATE_2000 = 11,
3273 
3274 	PHY_RATE_675 = 12,
3275 	/**
3276 	 * Rate 12 - 6.75 Gbps/Lane
3277 	 */
3278 };
3279 
3280 /**
3281  * enum dmub_phy_fsm_state - PHY FSM states.
3282  * PHY FSM state to transit to during PSR enable/disable.
3283  */
3284 enum dmub_phy_fsm_state {
3285 	DMUB_PHY_FSM_POWER_UP_DEFAULT = 0,
3286 	DMUB_PHY_FSM_RESET,
3287 	DMUB_PHY_FSM_RESET_RELEASED,
3288 	DMUB_PHY_FSM_SRAM_LOAD_DONE,
3289 	DMUB_PHY_FSM_INITIALIZED,
3290 	DMUB_PHY_FSM_CALIBRATED,
3291 	DMUB_PHY_FSM_CALIBRATED_LP,
3292 	DMUB_PHY_FSM_CALIBRATED_PG,
3293 	DMUB_PHY_FSM_POWER_DOWN,
3294 	DMUB_PHY_FSM_PLL_EN,
3295 	DMUB_PHY_FSM_TX_EN,
3296 	DMUB_PHY_FSM_TX_EN_TEST_MODE,
3297 	DMUB_PHY_FSM_FAST_LP,
3298 	DMUB_PHY_FSM_P2_PLL_OFF_CPM,
3299 	DMUB_PHY_FSM_P2_PLL_OFF_PG,
3300 	DMUB_PHY_FSM_P2_PLL_OFF,
3301 	DMUB_PHY_FSM_P2_PLL_ON,
3302 };
3303 
3304 /**
3305  * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
3306  */
3307 struct dmub_cmd_psr_copy_settings_data {
3308 	/**
3309 	 * Flags that can be set by driver to change some PSR behaviour.
3310 	 */
3311 	union dmub_psr_debug_flags debug;
3312 	/**
3313 	 * 16-bit value dicated by driver that will enable/disable different functionality.
3314 	 */
3315 	uint16_t psr_level;
3316 	/**
3317 	 * DPP HW instance.
3318 	 */
3319 	uint8_t dpp_inst;
3320 	/**
3321 	 * MPCC HW instance.
3322 	 * Not used in dmub fw,
3323 	 * dmub fw will get active opp by reading odm registers.
3324 	 */
3325 	uint8_t mpcc_inst;
3326 	/**
3327 	 * OPP HW instance.
3328 	 * Not used in dmub fw,
3329 	 * dmub fw will get active opp by reading odm registers.
3330 	 */
3331 	uint8_t opp_inst;
3332 	/**
3333 	 * OTG HW instance.
3334 	 */
3335 	uint8_t otg_inst;
3336 	/**
3337 	 * DIG FE HW instance.
3338 	 */
3339 	uint8_t digfe_inst;
3340 	/**
3341 	 * DIG BE HW instance.
3342 	 */
3343 	uint8_t digbe_inst;
3344 	/**
3345 	 * DP PHY HW instance.
3346 	 */
3347 	uint8_t dpphy_inst;
3348 	/**
3349 	 * AUX HW instance.
3350 	 */
3351 	uint8_t aux_inst;
3352 	/**
3353 	 * Determines if SMU optimzations are enabled/disabled.
3354 	 */
3355 	uint8_t smu_optimizations_en;
3356 	/**
3357 	 * Unused.
3358 	 * TODO: Remove.
3359 	 */
3360 	uint8_t frame_delay;
3361 	/**
3362 	 * If RFB setup time is greater than the total VBLANK time,
3363 	 * it is not possible for the sink to capture the video frame
3364 	 * in the same frame the SDP is sent. In this case,
3365 	 * the frame capture indication bit should be set and an extra
3366 	 * static frame should be transmitted to the sink.
3367 	 */
3368 	uint8_t frame_cap_ind;
3369 	/**
3370 	 * Granularity of Y offset supported by sink.
3371 	 */
3372 	uint8_t su_y_granularity;
3373 	/**
3374 	 * Indicates whether sink should start capturing
3375 	 * immediately following active scan line,
3376 	 * or starting with the 2nd active scan line.
3377 	 */
3378 	uint8_t line_capture_indication;
3379 	/**
3380 	 * Multi-display optimizations are implemented on certain ASICs.
3381 	 */
3382 	uint8_t multi_disp_optimizations_en;
3383 	/**
3384 	 * The last possible line SDP may be transmitted without violating
3385 	 * the RFB setup time or entering the active video frame.
3386 	 */
3387 	uint16_t init_sdp_deadline;
3388 	/**
3389 	 * @ rate_control_caps : Indicate FreeSync PSR Sink Capabilities
3390 	 */
3391 	uint8_t rate_control_caps ;
3392 	/*
3393 	 * Force PSRSU always doing full frame update
3394 	 */
3395 	uint8_t force_ffu_mode;
3396 	/**
3397 	 * Length of each horizontal line in us.
3398 	 */
3399 	uint32_t line_time_in_us;
3400 	/**
3401 	 * FEC enable status in driver
3402 	 */
3403 	uint8_t fec_enable_status;
3404 	/**
3405 	 * FEC re-enable delay when PSR exit.
3406 	 * unit is 100us, range form 0~255(0xFF).
3407 	 */
3408 	uint8_t fec_enable_delay_in100us;
3409 	/**
3410 	 * PSR control version.
3411 	 */
3412 	uint8_t cmd_version;
3413 	/**
3414 	 * Panel Instance.
3415 	 * Panel instance to identify which psr_state to use
3416 	 * Currently the support is only for 0 or 1
3417 	 */
3418 	uint8_t panel_inst;
3419 	/*
3420 	 * DSC enable status in driver
3421 	 */
3422 	uint8_t dsc_enable_status;
3423 	/*
3424 	 * Use FSM state for PSR power up/down
3425 	 */
3426 	uint8_t use_phy_fsm;
3427 	/**
3428 	 * frame delay for frame re-lock
3429 	 */
3430 	uint8_t relock_delay_frame_cnt;
3431 	/**
3432 	 * esd recovery indicate.
3433 	 */
3434 	uint8_t esd_recovery;
3435 	/**
3436 	 * DSC Slice height.
3437 	 */
3438 	uint16_t dsc_slice_height;
3439 	/**
3440 	 * Some panels request main link off before xth vertical line
3441 	 */
3442 	uint16_t poweroff_before_vertical_line;
3443 	/**
3444 	 * Some panels cannot handle idle pattern during PSR entry.
3445 	 * To power down phy before disable stream to avoid sending
3446 	 * idle pattern.
3447 	 */
3448 	uint8_t power_down_phy_before_disable_stream;
3449 };
3450 
3451 /**
3452  * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
3453  */
3454 struct dmub_rb_cmd_psr_copy_settings {
3455 	/**
3456 	 * Command header.
3457 	 */
3458 	struct dmub_cmd_header header;
3459 	/**
3460 	 * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
3461 	 */
3462 	struct dmub_cmd_psr_copy_settings_data psr_copy_settings_data;
3463 };
3464 
3465 /**
3466  * Data passed from driver to FW in a DMUB_CMD__PSR_SET_LEVEL command.
3467  */
3468 struct dmub_cmd_psr_set_level_data {
3469 	/**
3470 	 * 16-bit value dicated by driver that will enable/disable different functionality.
3471 	 */
3472 	uint16_t psr_level;
3473 	/**
3474 	 * PSR control version.
3475 	 */
3476 	uint8_t cmd_version;
3477 	/**
3478 	 * Panel Instance.
3479 	 * Panel instance to identify which psr_state to use
3480 	 * Currently the support is only for 0 or 1
3481 	 */
3482 	uint8_t panel_inst;
3483 };
3484 
3485 /**
3486  * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
3487  */
3488 struct dmub_rb_cmd_psr_set_level {
3489 	/**
3490 	 * Command header.
3491 	 */
3492 	struct dmub_cmd_header header;
3493 	/**
3494 	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
3495 	 */
3496 	struct dmub_cmd_psr_set_level_data psr_set_level_data;
3497 };
3498 
3499 struct dmub_rb_cmd_psr_enable_data {
3500 	/**
3501 	 * PSR control version.
3502 	 */
3503 	uint8_t cmd_version;
3504 	/**
3505 	 * Panel Instance.
3506 	 * Panel instance to identify which psr_state to use
3507 	 * Currently the support is only for 0 or 1
3508 	 */
3509 	uint8_t panel_inst;
3510 	/**
3511 	 * Phy state to enter.
3512 	 * Values to use are defined in dmub_phy_fsm_state
3513 	 */
3514 	uint8_t phy_fsm_state;
3515 	/**
3516 	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
3517 	 * Set this using enum phy_link_rate.
3518 	 * This does not support HDMI/DP2 for now.
3519 	 */
3520 	uint8_t phy_rate;
3521 };
3522 
3523 /**
3524  * Definition of a DMUB_CMD__PSR_ENABLE command.
3525  * PSR enable/disable is controlled using the sub_type.
3526  */
3527 struct dmub_rb_cmd_psr_enable {
3528 	/**
3529 	 * Command header.
3530 	 */
3531 	struct dmub_cmd_header header;
3532 
3533 	struct dmub_rb_cmd_psr_enable_data data;
3534 };
3535 
3536 /**
3537  * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
3538  */
3539 struct dmub_cmd_psr_set_version_data {
3540 	/**
3541 	 * PSR version that FW should implement.
3542 	 */
3543 	enum psr_version version;
3544 	/**
3545 	 * PSR control version.
3546 	 */
3547 	uint8_t cmd_version;
3548 	/**
3549 	 * Panel Instance.
3550 	 * Panel instance to identify which psr_state to use
3551 	 * Currently the support is only for 0 or 1
3552 	 */
3553 	uint8_t panel_inst;
3554 	/**
3555 	 * Explicit padding to 4 byte boundary.
3556 	 */
3557 	uint8_t pad[2];
3558 };
3559 
3560 /**
3561  * Definition of a DMUB_CMD__PSR_SET_VERSION command.
3562  */
3563 struct dmub_rb_cmd_psr_set_version {
3564 	/**
3565 	 * Command header.
3566 	 */
3567 	struct dmub_cmd_header header;
3568 	/**
3569 	 * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
3570 	 */
3571 	struct dmub_cmd_psr_set_version_data psr_set_version_data;
3572 };
3573 
3574 struct dmub_cmd_psr_force_static_data {
3575 	/**
3576 	 * PSR control version.
3577 	 */
3578 	uint8_t cmd_version;
3579 	/**
3580 	 * Panel Instance.
3581 	 * Panel instance to identify which psr_state to use
3582 	 * Currently the support is only for 0 or 1
3583 	 */
3584 	uint8_t panel_inst;
3585 	/**
3586 	 * Explicit padding to 4 byte boundary.
3587 	 */
3588 	uint8_t pad[2];
3589 };
3590 
3591 /**
3592  * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
3593  */
3594 struct dmub_rb_cmd_psr_force_static {
3595 	/**
3596 	 * Command header.
3597 	 */
3598 	struct dmub_cmd_header header;
3599 	/**
3600 	 * Data passed from driver to FW in a DMUB_CMD__PSR_FORCE_STATIC command.
3601 	 */
3602 	struct dmub_cmd_psr_force_static_data psr_force_static_data;
3603 };
3604 
3605 /**
3606  * PSR SU debug flags.
3607  */
3608 union dmub_psr_su_debug_flags {
3609 	/**
3610 	 * PSR SU debug flags.
3611 	 */
3612 	struct {
3613 		/**
3614 		 * Update dirty rect in SW only.
3615 		 */
3616 		uint8_t update_dirty_rect_only : 1;
3617 		/**
3618 		 * Reset the cursor/plane state before processing the call.
3619 		 */
3620 		uint8_t reset_state : 1;
3621 	} bitfields;
3622 
3623 	/**
3624 	 * Union for debug flags.
3625 	 */
3626 	uint32_t u32All;
3627 };
3628 
3629 /**
3630  * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
3631  * This triggers a selective update for PSR SU.
3632  */
3633 struct dmub_cmd_update_dirty_rect_data {
3634 	/**
3635 	 * Dirty rects from OS.
3636 	 */
3637 	struct dmub_rect src_dirty_rects[DMUB_MAX_DIRTY_RECTS];
3638 	/**
3639 	 * PSR SU debug flags.
3640 	 */
3641 	union dmub_psr_su_debug_flags debug_flags;
3642 	/**
3643 	 * OTG HW instance.
3644 	 */
3645 	uint8_t pipe_idx;
3646 	/**
3647 	 * Number of dirty rects.
3648 	 */
3649 	uint8_t dirty_rect_count;
3650 	/**
3651 	 * PSR control version.
3652 	 */
3653 	uint8_t cmd_version;
3654 	/**
3655 	 * Panel Instance.
3656 	 * Panel instance to identify which psr_state to use
3657 	 * Currently the support is only for 0 or 1
3658 	 */
3659 	uint8_t panel_inst;
3660 };
3661 
3662 /**
3663  * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
3664  */
3665 struct dmub_rb_cmd_update_dirty_rect {
3666 	/**
3667 	 * Command header.
3668 	 */
3669 	struct dmub_cmd_header header;
3670 	/**
3671 	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
3672 	 */
3673 	struct dmub_cmd_update_dirty_rect_data update_dirty_rect_data;
3674 };
3675 
3676 /**
3677  * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
3678  */
3679 union dmub_reg_cursor_control_cfg {
3680 	struct {
3681 		uint32_t     cur_enable: 1;
3682 		uint32_t         reser0: 3;
3683 		uint32_t cur_2x_magnify: 1;
3684 		uint32_t         reser1: 3;
3685 		uint32_t           mode: 3;
3686 		uint32_t         reser2: 5;
3687 		uint32_t          pitch: 2;
3688 		uint32_t         reser3: 6;
3689 		uint32_t line_per_chunk: 5;
3690 		uint32_t         reser4: 3;
3691 	} bits;
3692 	uint32_t raw;
3693 };
3694 struct dmub_cursor_position_cache_hubp {
3695 	union dmub_reg_cursor_control_cfg cur_ctl;
3696 	union dmub_reg_position_cfg {
3697 		struct {
3698 			uint32_t cur_x_pos: 16;
3699 			uint32_t cur_y_pos: 16;
3700 		} bits;
3701 		uint32_t raw;
3702 	} position;
3703 	union dmub_reg_hot_spot_cfg {
3704 		struct {
3705 			uint32_t hot_x: 16;
3706 			uint32_t hot_y: 16;
3707 		} bits;
3708 		uint32_t raw;
3709 	} hot_spot;
3710 	union dmub_reg_dst_offset_cfg {
3711 		struct {
3712 			uint32_t dst_x_offset: 13;
3713 			uint32_t reserved: 19;
3714 		} bits;
3715 		uint32_t raw;
3716 	} dst_offset;
3717 };
3718 
3719 union dmub_reg_cur0_control_cfg {
3720 	struct {
3721 		uint32_t     cur0_enable: 1;
3722 		uint32_t  expansion_mode: 1;
3723 		uint32_t          reser0: 1;
3724 		uint32_t     cur0_rom_en: 1;
3725 		uint32_t            mode: 3;
3726 		uint32_t        reserved: 25;
3727 	} bits;
3728 	uint32_t raw;
3729 };
3730 struct dmub_cursor_position_cache_dpp {
3731 	union dmub_reg_cur0_control_cfg cur0_ctl;
3732 };
3733 struct dmub_cursor_position_cfg {
3734 	struct  dmub_cursor_position_cache_hubp pHubp;
3735 	struct  dmub_cursor_position_cache_dpp  pDpp;
3736 	uint8_t pipe_idx;
3737 	/*
3738 	 * Padding is required. To be 4 Bytes Aligned.
3739 	 */
3740 	uint8_t padding[3];
3741 };
3742 
3743 struct dmub_cursor_attribute_cache_hubp {
3744 	uint32_t SURFACE_ADDR_HIGH;
3745 	uint32_t SURFACE_ADDR;
3746 	union    dmub_reg_cursor_control_cfg  cur_ctl;
3747 	union    dmub_reg_cursor_size_cfg {
3748 		struct {
3749 			uint32_t width: 16;
3750 			uint32_t height: 16;
3751 		} bits;
3752 		uint32_t raw;
3753 	} size;
3754 	union    dmub_reg_cursor_settings_cfg {
3755 		struct {
3756 			uint32_t     dst_y_offset: 8;
3757 			uint32_t chunk_hdl_adjust: 2;
3758 			uint32_t         reserved: 22;
3759 		} bits;
3760 		uint32_t raw;
3761 	} settings;
3762 };
3763 struct dmub_cursor_attribute_cache_dpp {
3764 	union dmub_reg_cur0_control_cfg cur0_ctl;
3765 };
3766 struct dmub_cursor_attributes_cfg {
3767 	struct  dmub_cursor_attribute_cache_hubp aHubp;
3768 	struct  dmub_cursor_attribute_cache_dpp  aDpp;
3769 };
3770 
3771 struct dmub_cmd_update_cursor_payload0 {
3772 	/**
3773 	 * Cursor dirty rects.
3774 	 */
3775 	struct dmub_rect cursor_rect;
3776 	/**
3777 	 * PSR SU debug flags.
3778 	 */
3779 	union dmub_psr_su_debug_flags debug_flags;
3780 	/**
3781 	 * Cursor enable/disable.
3782 	 */
3783 	uint8_t enable;
3784 	/**
3785 	 * OTG HW instance.
3786 	 */
3787 	uint8_t pipe_idx;
3788 	/**
3789 	 * PSR control version.
3790 	 */
3791 	uint8_t cmd_version;
3792 	/**
3793 	 * Panel Instance.
3794 	 * Panel instance to identify which psr_state to use
3795 	 * Currently the support is only for 0 or 1
3796 	 */
3797 	uint8_t panel_inst;
3798 	/**
3799 	 * Cursor Position Register.
3800 	 * Registers contains Hubp & Dpp modules
3801 	 */
3802 	struct dmub_cursor_position_cfg position_cfg;
3803 };
3804 
3805 struct dmub_cmd_update_cursor_payload1 {
3806 	struct dmub_cursor_attributes_cfg attribute_cfg;
3807 };
3808 
3809 union dmub_cmd_update_cursor_info_data {
3810 	struct dmub_cmd_update_cursor_payload0 payload0;
3811 	struct dmub_cmd_update_cursor_payload1 payload1;
3812 };
3813 /**
3814  * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
3815  */
3816 struct dmub_rb_cmd_update_cursor_info {
3817 	/**
3818 	 * Command header.
3819 	 */
3820 	struct dmub_cmd_header header;
3821 	/**
3822 	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
3823 	 */
3824 	union dmub_cmd_update_cursor_info_data update_cursor_info_data;
3825 };
3826 
3827 /**
3828  * Data passed from driver to FW in a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3829  */
3830 struct dmub_cmd_psr_set_vtotal_data {
3831 	/**
3832 	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when screen idle..
3833 	 */
3834 	uint16_t psr_vtotal_idle;
3835 	/**
3836 	 * PSR control version.
3837 	 */
3838 	uint8_t cmd_version;
3839 	/**
3840 	 * Panel Instance.
3841 	 * Panel instance to identify which psr_state to use
3842 	 * Currently the support is only for 0 or 1
3843 	 */
3844 	uint8_t panel_inst;
3845 	/*
3846 	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when doing SU/FFU.
3847 	 */
3848 	uint16_t psr_vtotal_su;
3849 	/**
3850 	 * Explicit padding to 4 byte boundary.
3851 	 */
3852 	uint8_t pad2[2];
3853 };
3854 
3855 /**
3856  * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3857  */
3858 struct dmub_rb_cmd_psr_set_vtotal {
3859 	/**
3860 	 * Command header.
3861 	 */
3862 	struct dmub_cmd_header header;
3863 	/**
3864 	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3865 	 */
3866 	struct dmub_cmd_psr_set_vtotal_data psr_set_vtotal_data;
3867 };
3868 
3869 /**
3870  * Data passed from driver to FW in a DMUB_CMD__SET_PSR_POWER_OPT command.
3871  */
3872 struct dmub_cmd_psr_set_power_opt_data {
3873 	/**
3874 	 * PSR control version.
3875 	 */
3876 	uint8_t cmd_version;
3877 	/**
3878 	 * Panel Instance.
3879 	 * Panel instance to identify which psr_state to use
3880 	 * Currently the support is only for 0 or 1
3881 	 */
3882 	uint8_t panel_inst;
3883 	/**
3884 	 * Explicit padding to 4 byte boundary.
3885 	 */
3886 	uint8_t pad[2];
3887 	/**
3888 	 * PSR power option
3889 	 */
3890 	uint32_t power_opt;
3891 };
3892 
3893 /**
3894  * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
3895  */
3896 struct dmub_rb_cmd_psr_set_power_opt {
3897 	/**
3898 	 * Command header.
3899 	 */
3900 	struct dmub_cmd_header header;
3901 	/**
3902 	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
3903 	 */
3904 	struct dmub_cmd_psr_set_power_opt_data psr_set_power_opt_data;
3905 };
3906 
3907 enum dmub_alpm_mode {
3908 	ALPM_AUXWAKE = 0,
3909 	ALPM_AUXLESS = 1,
3910 	ALPM_UNSUPPORTED = 2,
3911 };
3912 
3913 /**
3914  * Definition of Replay Residency GPINT command.
3915  * Bit[0] - Residency mode for Revision 0
3916  * Bit[1] - Enable/Disable state
3917  * Bit[2-3] - Revision number
3918  * Bit[4-7] - Residency mode for Revision 1
3919  * Bit[8] - Panel instance
3920  * Bit[9-15] - Reserved
3921  */
3922 
3923 enum pr_residency_mode {
3924 	PR_RESIDENCY_MODE_PHY = 0x0,
3925 	PR_RESIDENCY_MODE_ALPM,
3926 	PR_RESIDENCY_MODE_IPS2,
3927 	PR_RESIDENCY_MODE_FRAME_CNT,
3928 	PR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
3929 };
3930 
3931 #define REPLAY_RESIDENCY_MODE_SHIFT            (0)
3932 #define REPLAY_RESIDENCY_ENABLE_SHIFT          (1)
3933 #define REPLAY_RESIDENCY_REVISION_SHIFT        (2)
3934 #define REPLAY_RESIDENCY_MODE2_SHIFT           (4)
3935 
3936 #define REPLAY_RESIDENCY_MODE_MASK             (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
3937 # define REPLAY_RESIDENCY_FIELD_MODE_PHY       (0x0 << REPLAY_RESIDENCY_MODE_SHIFT)
3938 # define REPLAY_RESIDENCY_FIELD_MODE_ALPM      (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
3939 
3940 #define REPLAY_RESIDENCY_MODE2_MASK            (0xF << REPLAY_RESIDENCY_MODE2_SHIFT)
3941 # define REPLAY_RESIDENCY_FIELD_MODE2_IPS      (0x1 << REPLAY_RESIDENCY_MODE2_SHIFT)
3942 # define REPLAY_RESIDENCY_FIELD_MODE2_FRAME_CNT    (0x2 << REPLAY_RESIDENCY_MODE2_SHIFT)
3943 # define REPLAY_RESIDENCY_FIELD_MODE2_EN_PERIOD	(0x3 << REPLAY_RESIDENCY_MODE2_SHIFT)
3944 
3945 #define REPLAY_RESIDENCY_ENABLE_MASK           (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3946 # define REPLAY_RESIDENCY_DISABLE              (0x0 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3947 # define REPLAY_RESIDENCY_ENABLE               (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3948 
3949 #define REPLAY_RESIDENCY_REVISION_MASK         (0x3 << REPLAY_RESIDENCY_REVISION_SHIFT)
3950 # define REPLAY_RESIDENCY_REVISION_0           (0x0 << REPLAY_RESIDENCY_REVISION_SHIFT)
3951 # define REPLAY_RESIDENCY_REVISION_1           (0x1 << REPLAY_RESIDENCY_REVISION_SHIFT)
3952 
3953 /**
3954  * Definition of a replay_state.
3955  */
3956 enum replay_state {
3957 	REPLAY_STATE_0			= 0x0,
3958 	REPLAY_STATE_1			= 0x10,
3959 	REPLAY_STATE_1A			= 0x11,
3960 	REPLAY_STATE_2			= 0x20,
3961 	REPLAY_STATE_2A			= 0x21,
3962 	REPLAY_STATE_3			= 0x30,
3963 	REPLAY_STATE_3INIT		= 0x31,
3964 	REPLAY_STATE_4			= 0x40,
3965 	REPLAY_STATE_4A			= 0x41,
3966 	REPLAY_STATE_4B			= 0x42,
3967 	REPLAY_STATE_4C			= 0x43,
3968 	REPLAY_STATE_4D			= 0x44,
3969 	REPLAY_STATE_4E			= 0x45,
3970 	REPLAY_STATE_4B_LOCKED		= 0x4A,
3971 	REPLAY_STATE_4C_UNLOCKED	= 0x4B,
3972 	REPLAY_STATE_5			= 0x50,
3973 	REPLAY_STATE_5A			= 0x51,
3974 	REPLAY_STATE_5B			= 0x52,
3975 	REPLAY_STATE_5A_LOCKED		= 0x5A,
3976 	REPLAY_STATE_5B_UNLOCKED	= 0x5B,
3977 	REPLAY_STATE_6			= 0x60,
3978 	REPLAY_STATE_6A			= 0x61,
3979 	REPLAY_STATE_6B			= 0x62,
3980 	REPLAY_STATE_INVALID		= 0xFF,
3981 };
3982 
3983 /**
3984  * Replay command sub-types.
3985  */
3986 enum dmub_cmd_replay_type {
3987 	/**
3988 	 * Copy driver-calculated parameters to REPLAY state.
3989 	 */
3990 	DMUB_CMD__REPLAY_COPY_SETTINGS		= 0,
3991 	/**
3992 	 * Enable REPLAY.
3993 	 */
3994 	DMUB_CMD__REPLAY_ENABLE			= 1,
3995 	/**
3996 	 * Set Replay power option.
3997 	 */
3998 	DMUB_CMD__SET_REPLAY_POWER_OPT		= 2,
3999 	/**
4000 	 * Set coasting vtotal.
4001 	 */
4002 	DMUB_CMD__REPLAY_SET_COASTING_VTOTAL	= 3,
4003 	/**
4004 	 * Set power opt and coasting vtotal.
4005 	 */
4006 	DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL	= 4,
4007 	/**
4008 	 * Set disabled iiming sync.
4009 	 */
4010 	DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED	= 5,
4011 	/**
4012 	 * Set Residency Frameupdate Timer.
4013 	 */
4014 	DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER = 6,
4015 	/**
4016 	 * Set pseudo vtotal
4017 	 */
4018 	DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL = 7,
4019 	/**
4020 	 * Set adaptive sync sdp enabled
4021 	 */
4022 	DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP = 8,
4023 	/**
4024 	 * Set version
4025 	 */
4026 	DMUB_CMD__REPLAY_SET_VERSION = 9,
4027 	/**
4028 	 * Set Replay General command.
4029 	 */
4030 	DMUB_CMD__REPLAY_SET_GENERAL_CMD = 16,
4031 };
4032 
4033 /**
4034  * Replay general command sub-types.
4035  */
4036 enum dmub_cmd_replay_general_subtype {
4037 	REPLAY_GENERAL_CMD_NOT_SUPPORTED = -1,
4038 	/**
4039 	 * TODO: For backward compatible, allow new command only.
4040 	 * REPLAY_GENERAL_CMD_SET_TIMING_SYNC_SUPPORTED,
4041 	 * REPLAY_GENERAL_CMD_SET_RESIDENCY_FRAMEUPDATE_TIMER,
4042 	 * REPLAY_GENERAL_CMD_SET_PSEUDO_VTOTAL,
4043 	 */
4044 	REPLAY_GENERAL_CMD_DISABLED_ADAPTIVE_SYNC_SDP,
4045 	REPLAY_GENERAL_CMD_DISABLED_DESYNC_ERROR_DETECTION,
4046 	REPLAY_GENERAL_CMD_UPDATE_ERROR_STATUS,
4047 	REPLAY_GENERAL_CMD_SET_LOW_RR_ACTIVATE,
4048 };
4049 
4050 struct dmub_alpm_auxless_data {
4051 	uint16_t lfps_setup_ns;
4052 	uint16_t lfps_period_ns;
4053 	uint16_t lfps_silence_ns;
4054 	uint16_t lfps_t1_t2_override_us;
4055 	short lfps_t1_t2_offset_us;
4056 	uint8_t lttpr_count;
4057 	/*
4058 	 * Padding to align structure to 4 byte boundary.
4059 	 */
4060 	uint8_t pad[1];
4061 };
4062 
4063 /**
4064  * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
4065  */
4066 struct dmub_cmd_replay_copy_settings_data {
4067 	/**
4068 	 * Flags that can be set by driver to change some replay behaviour.
4069 	 */
4070 	union replay_debug_flags debug;
4071 
4072 	/**
4073 	 * @flags: Flags used to determine feature functionality.
4074 	 */
4075 	union replay_hw_flags flags;
4076 
4077 	/**
4078 	 * DPP HW instance.
4079 	 */
4080 	uint8_t dpp_inst;
4081 	/**
4082 	 * OTG HW instance.
4083 	 */
4084 	uint8_t otg_inst;
4085 	/**
4086 	 * DIG FE HW instance.
4087 	 */
4088 	uint8_t digfe_inst;
4089 	/**
4090 	 * DIG BE HW instance.
4091 	 */
4092 	uint8_t digbe_inst;
4093 	/**
4094 	 * AUX HW instance.
4095 	 */
4096 	uint8_t aux_inst;
4097 	/**
4098 	 * Panel Instance.
4099 	 * Panel isntance to identify which psr_state to use
4100 	 * Currently the support is only for 0 or 1
4101 	 */
4102 	uint8_t panel_inst;
4103 	/**
4104 	 * @pixel_deviation_per_line: Indicate the maximum pixel deviation per line compare
4105 	 * to Source timing when Sink maintains coasting vtotal during the Replay normal sleep mode
4106 	 */
4107 	uint8_t pixel_deviation_per_line;
4108 	/**
4109 	 * @max_deviation_line: The max number of deviation line that can keep the timing
4110 	 * synchronized between the Source and Sink during Replay normal sleep mode.
4111 	 */
4112 	uint8_t max_deviation_line;
4113 	/**
4114 	 * Length of each horizontal line in ns.
4115 	 */
4116 	uint32_t line_time_in_ns;
4117 	/**
4118 	 * PHY instance.
4119 	 */
4120 	uint8_t dpphy_inst;
4121 	/**
4122 	 * Determines if SMU optimzations are enabled/disabled.
4123 	 */
4124 	uint8_t smu_optimizations_en;
4125 	/**
4126 	 * Determines if timing sync are enabled/disabled.
4127 	 */
4128 	uint8_t replay_timing_sync_supported;
4129 	/*
4130 	 * Use FSM state for Replay power up/down
4131 	 */
4132 	uint8_t use_phy_fsm;
4133 	/**
4134 	 * Use for AUX-less ALPM LFPS wake operation
4135 	 */
4136 	struct dmub_alpm_auxless_data auxless_alpm_data;
4137 	/**
4138 	 * @hpo_stream_enc_inst: HPO stream encoder instance
4139 	 */
4140 	uint8_t hpo_stream_enc_inst;
4141 	/**
4142 	 * @hpo_link_enc_inst: HPO link encoder instance
4143 	 */
4144 	uint8_t hpo_link_enc_inst;
4145 	/**
4146 	 * @pad: Align structure to 4 byte boundary.
4147 	 */
4148 	uint8_t pad[2];
4149 };
4150 
4151 
4152 /**
4153  * Replay versions.
4154  */
4155 enum replay_version {
4156 	/**
4157 	 * FreeSync Replay
4158 	 */
4159 	REPLAY_VERSION_FREESYNC_REPLAY	= 0,
4160 	/**
4161 	 * Panel Replay
4162 	 */
4163 	REPLAY_VERSION_PANEL_REPLAY		= 1,
4164 	/**
4165 	 * Replay not supported.
4166 	 */
4167 	REPLAY_VERSION_UNSUPPORTED		= 0xFF,
4168 };
4169 
4170 /**
4171  * Data passed from driver to FW in a DMUB_CMD___SET_REPLAY_VERSION command.
4172  */
4173 struct dmub_cmd_replay_set_version_data {
4174 	/**
4175 	 * Panel Instance.
4176 	 * Panel instance to identify which psr_state to use
4177 	 * Currently the support is only for 0 or 1
4178 	 */
4179 	uint8_t panel_inst;
4180 	/**
4181 	 * PSR version that FW should implement.
4182 	 */
4183 	enum replay_version version;
4184 	/**
4185 	 * PSR control version.
4186 	 */
4187 	uint8_t cmd_version;
4188 	/**
4189 	 * Explicit padding to 4 byte boundary.
4190 	 */
4191 	uint8_t pad[2];
4192 };
4193 
4194 /**
4195  * Definition of a DMUB_CMD__REPLAY_SET_VERSION command.
4196  */
4197 struct dmub_rb_cmd_replay_set_version {
4198 	/**
4199 	 * Command header.
4200 	 */
4201 	struct dmub_cmd_header header;
4202 	/**
4203 	 * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_VERSION command.
4204 	 */
4205 	struct dmub_cmd_replay_set_version_data replay_set_version_data;
4206 };
4207 
4208 /**
4209  * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
4210  */
4211 struct dmub_rb_cmd_replay_copy_settings {
4212 	/**
4213 	 * Command header.
4214 	 */
4215 	struct dmub_cmd_header header;
4216 	/**
4217 	 * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
4218 	 */
4219 	struct dmub_cmd_replay_copy_settings_data replay_copy_settings_data;
4220 };
4221 
4222 /**
4223  * Replay disable / enable state for dmub_rb_cmd_replay_enable_data.enable
4224  */
4225 enum replay_enable {
4226 	/**
4227 	 * Disable REPLAY.
4228 	 */
4229 	REPLAY_DISABLE				= 0,
4230 	/**
4231 	 * Enable REPLAY.
4232 	 */
4233 	REPLAY_ENABLE				= 1,
4234 };
4235 
4236 /**
4237  * Data passed from driver to FW in a DMUB_CMD__REPLAY_ENABLE command.
4238  */
4239 struct dmub_rb_cmd_replay_enable_data {
4240 	/**
4241 	 * Replay enable or disable.
4242 	 */
4243 	uint8_t enable;
4244 	/**
4245 	 * Panel Instance.
4246 	 * Panel isntance to identify which replay_state to use
4247 	 * Currently the support is only for 0 or 1
4248 	 */
4249 	uint8_t panel_inst;
4250 	/**
4251 	 * Phy state to enter.
4252 	 * Values to use are defined in dmub_phy_fsm_state
4253 	 */
4254 	uint8_t phy_fsm_state;
4255 	/**
4256 	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
4257 	 * Set this using enum phy_link_rate.
4258 	 * This does not support HDMI/DP2 for now.
4259 	 */
4260 	uint8_t phy_rate;
4261 	/**
4262 	 * @hpo_stream_enc_inst: HPO stream encoder instance
4263 	 */
4264 	uint8_t hpo_stream_enc_inst;
4265 	/**
4266 	 * @hpo_link_enc_inst: HPO link encoder instance
4267 	 */
4268 	uint8_t hpo_link_enc_inst;
4269 	/**
4270 	 * @pad: Align structure to 4 byte boundary.
4271 	 */
4272 	uint8_t pad[2];
4273 };
4274 
4275 /**
4276  * Definition of a DMUB_CMD__REPLAY_ENABLE command.
4277  * Replay enable/disable is controlled using action in data.
4278  */
4279 struct dmub_rb_cmd_replay_enable {
4280 	/**
4281 	 * Command header.
4282 	 */
4283 	struct dmub_cmd_header header;
4284 
4285 	struct dmub_rb_cmd_replay_enable_data data;
4286 };
4287 
4288 /**
4289  * Data passed from driver to FW in a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4290  */
4291 struct dmub_cmd_replay_set_power_opt_data {
4292 	/**
4293 	 * Panel Instance.
4294 	 * Panel isntance to identify which replay_state to use
4295 	 * Currently the support is only for 0 or 1
4296 	 */
4297 	uint8_t panel_inst;
4298 	/**
4299 	 * Explicit padding to 4 byte boundary.
4300 	 */
4301 	uint8_t pad[3];
4302 	/**
4303 	 * REPLAY power option
4304 	 */
4305 	uint32_t power_opt;
4306 };
4307 
4308 /**
4309  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
4310  */
4311 struct dmub_cmd_replay_set_timing_sync_data {
4312 	/**
4313 	 * Panel Instance.
4314 	 * Panel isntance to identify which replay_state to use
4315 	 * Currently the support is only for 0 or 1
4316 	 */
4317 	uint8_t panel_inst;
4318 	/**
4319 	 * REPLAY set_timing_sync
4320 	 */
4321 	uint8_t timing_sync_supported;
4322 	/**
4323 	 * Explicit padding to 4 byte boundary.
4324 	 */
4325 	uint8_t pad[2];
4326 };
4327 
4328 /**
4329  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
4330  */
4331 struct dmub_cmd_replay_set_pseudo_vtotal {
4332 	/**
4333 	 * Panel Instance.
4334 	 * Panel isntance to identify which replay_state to use
4335 	 * Currently the support is only for 0 or 1
4336 	 */
4337 	uint8_t panel_inst;
4338 	/**
4339 	 * Source Vtotal that Replay + IPS + ABM full screen video src vtotal
4340 	 */
4341 	uint16_t vtotal;
4342 	/**
4343 	 * Explicit padding to 4 byte boundary.
4344 	 */
4345 	uint8_t pad;
4346 };
4347 struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data {
4348 	/**
4349 	 * Panel Instance.
4350 	 * Panel isntance to identify which replay_state to use
4351 	 * Currently the support is only for 0 or 1
4352 	 */
4353 	uint8_t panel_inst;
4354 	/**
4355 	 * enabled: set adaptive sync sdp enabled
4356 	 */
4357 	uint8_t force_disabled;
4358 
4359 	uint8_t pad[2];
4360 };
4361 struct dmub_cmd_replay_set_general_cmd_data {
4362 	/**
4363 	 * Panel Instance.
4364 	 * Panel isntance to identify which replay_state to use
4365 	 * Currently the support is only for 0 or 1
4366 	 */
4367 	uint8_t panel_inst;
4368 	/**
4369 	 * subtype: replay general cmd sub type
4370 	 */
4371 	uint8_t subtype;
4372 
4373 	uint8_t pad[2];
4374 	/**
4375 	 * config data with param1 and param2
4376 	 */
4377 	uint32_t param1;
4378 
4379 	uint32_t param2;
4380 };
4381 
4382 /**
4383  * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4384  */
4385 struct dmub_rb_cmd_replay_set_power_opt {
4386 	/**
4387 	 * Command header.
4388 	 */
4389 	struct dmub_cmd_header header;
4390 	/**
4391 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4392 	 */
4393 	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
4394 };
4395 
4396 /**
4397  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4398  */
4399 struct dmub_cmd_replay_set_coasting_vtotal_data {
4400 	/**
4401 	 * 16-bit value dicated by driver that indicates the coasting vtotal.
4402 	 */
4403 	uint16_t coasting_vtotal;
4404 	/**
4405 	 * REPLAY control version.
4406 	 */
4407 	uint8_t cmd_version;
4408 	/**
4409 	 * Panel Instance.
4410 	 * Panel isntance to identify which replay_state to use
4411 	 * Currently the support is only for 0 or 1
4412 	 */
4413 	uint8_t panel_inst;
4414 	/**
4415 	 * 16-bit value dicated by driver that indicates the coasting vtotal high byte part.
4416 	 */
4417 	uint16_t coasting_vtotal_high;
4418 	/**
4419 	 * Explicit padding to 4 byte boundary.
4420 	 */
4421 	uint8_t pad[2];
4422 };
4423 
4424 /**
4425  * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4426  */
4427 struct dmub_rb_cmd_replay_set_coasting_vtotal {
4428 	/**
4429 	 * Command header.
4430 	 */
4431 	struct dmub_cmd_header header;
4432 	/**
4433 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4434 	 */
4435 	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
4436 };
4437 
4438 /**
4439  * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
4440  */
4441 struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal {
4442 	/**
4443 	 * Command header.
4444 	 */
4445 	struct dmub_cmd_header header;
4446 	/**
4447 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4448 	 */
4449 	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
4450 	/**
4451 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
4452 	 */
4453 	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
4454 };
4455 
4456 /**
4457  * Definition of a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
4458  */
4459 struct dmub_rb_cmd_replay_set_timing_sync {
4460 	/**
4461 	 * Command header.
4462 	 */
4463 	struct dmub_cmd_header header;
4464 	/**
4465 	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
4466 	 */
4467 	struct dmub_cmd_replay_set_timing_sync_data replay_set_timing_sync_data;
4468 };
4469 
4470 /**
4471  * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
4472  */
4473 struct dmub_rb_cmd_replay_set_pseudo_vtotal {
4474 	/**
4475 	 * Command header.
4476 	 */
4477 	struct dmub_cmd_header header;
4478 	/**
4479 	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
4480 	 */
4481 	struct dmub_cmd_replay_set_pseudo_vtotal data;
4482 };
4483 
4484 /**
4485  * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
4486  */
4487 struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp {
4488 	/**
4489 	 * Command header.
4490 	 */
4491 	struct dmub_cmd_header header;
4492 	/**
4493 	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
4494 	 */
4495 	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data data;
4496 };
4497 
4498 /**
4499  * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
4500  */
4501 struct dmub_rb_cmd_replay_set_general_cmd {
4502 	/**
4503 	 * Command header.
4504 	 */
4505 	struct dmub_cmd_header header;
4506 	/**
4507 	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
4508 	 */
4509 	struct dmub_cmd_replay_set_general_cmd_data data;
4510 };
4511 
4512 /**
4513  * Data passed from driver to FW in  DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
4514  */
4515 struct dmub_cmd_replay_frameupdate_timer_data {
4516 	/**
4517 	 * Panel Instance.
4518 	 * Panel isntance to identify which replay_state to use
4519 	 * Currently the support is only for 0 or 1
4520 	 */
4521 	uint8_t panel_inst;
4522 	/**
4523 	 * Replay Frameupdate Timer Enable or not
4524 	 */
4525 	uint8_t enable;
4526 	/**
4527 	 * REPLAY force reflash frame update number
4528 	 */
4529 	uint16_t frameupdate_count;
4530 };
4531 /**
4532  * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER
4533  */
4534 struct dmub_rb_cmd_replay_set_frameupdate_timer {
4535 	/**
4536 	 * Command header.
4537 	 */
4538 	struct dmub_cmd_header header;
4539 	/**
4540 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
4541 	 */
4542 	struct dmub_cmd_replay_frameupdate_timer_data data;
4543 };
4544 
4545 /**
4546  * Definition union of replay command set
4547  */
4548 union dmub_replay_cmd_set {
4549 	/**
4550 	 * Panel Instance.
4551 	 * Panel isntance to identify which replay_state to use
4552 	 * Currently the support is only for 0 or 1
4553 	 */
4554 	uint8_t panel_inst;
4555 	/**
4556 	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command data.
4557 	 */
4558 	struct dmub_cmd_replay_set_timing_sync_data sync_data;
4559 	/**
4560 	 * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command data.
4561 	 */
4562 	struct dmub_cmd_replay_frameupdate_timer_data timer_data;
4563 	/**
4564 	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command data.
4565 	 */
4566 	struct dmub_cmd_replay_set_pseudo_vtotal pseudo_vtotal_data;
4567 	/**
4568 	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command data.
4569 	 */
4570 	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data disabled_adaptive_sync_sdp_data;
4571 	/**
4572 	 * Definition of DMUB_CMD__REPLAY_SET_VERSION command data.
4573 	 */
4574 	struct dmub_cmd_replay_set_version_data version_data;
4575 	/**
4576 	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command data.
4577 	 */
4578 	struct dmub_cmd_replay_set_general_cmd_data set_general_cmd_data;
4579 };
4580 
4581 /**
4582  * Set of HW components that can be locked.
4583  *
4584  * Note: If updating with more HW components, fields
4585  * in dmub_inbox0_cmd_lock_hw must be updated to match.
4586  */
4587 union dmub_hw_lock_flags {
4588 	/**
4589 	 * Set of HW components that can be locked.
4590 	 */
4591 	struct {
4592 		/**
4593 		 * Lock/unlock OTG master update lock.
4594 		 */
4595 		uint8_t lock_pipe   : 1;
4596 		/**
4597 		 * Lock/unlock cursor.
4598 		 */
4599 		uint8_t lock_cursor : 1;
4600 		/**
4601 		 * Lock/unlock global update lock.
4602 		 */
4603 		uint8_t lock_dig    : 1;
4604 		/**
4605 		 * Triple buffer lock requires additional hw programming to usual OTG master lock.
4606 		 */
4607 		uint8_t triple_buffer_lock : 1;
4608 	} bits;
4609 
4610 	/**
4611 	 * Union for HW Lock flags.
4612 	 */
4613 	uint8_t u8All;
4614 };
4615 
4616 /**
4617  * Instances of HW to be locked.
4618  *
4619  * Note: If updating with more HW components, fields
4620  * in dmub_inbox0_cmd_lock_hw must be updated to match.
4621  */
4622 struct dmub_hw_lock_inst_flags {
4623 	/**
4624 	 * OTG HW instance for OTG master update lock.
4625 	 */
4626 	uint8_t otg_inst;
4627 	/**
4628 	 * OPP instance for cursor lock.
4629 	 */
4630 	uint8_t opp_inst;
4631 	/**
4632 	 * OTG HW instance for global update lock.
4633 	 * TODO: Remove, and re-use otg_inst.
4634 	 */
4635 	uint8_t dig_inst;
4636 	/**
4637 	 * Explicit pad to 4 byte boundary.
4638 	 */
4639 	uint8_t pad;
4640 };
4641 
4642 /**
4643  * Clients that can acquire the HW Lock Manager.
4644  *
4645  * Note: If updating with more clients, fields in
4646  * dmub_inbox0_cmd_lock_hw must be updated to match.
4647  */
4648 enum hw_lock_client {
4649 	/**
4650 	 * Driver is the client of HW Lock Manager.
4651 	 */
4652 	HW_LOCK_CLIENT_DRIVER = 0,
4653 	/**
4654 	 * PSR SU is the client of HW Lock Manager.
4655 	 */
4656 	HW_LOCK_CLIENT_PSR_SU		= 1,
4657 	HW_LOCK_CLIENT_SUBVP = 3,
4658 	/**
4659 	 * Replay is the client of HW Lock Manager.
4660 	 */
4661 	HW_LOCK_CLIENT_REPLAY		= 4,
4662 	HW_LOCK_CLIENT_FAMS2 = 5,
4663 	/**
4664 	 * Invalid client.
4665 	 */
4666 	HW_LOCK_CLIENT_INVALID = 0xFFFFFFFF,
4667 };
4668 
4669 /**
4670  * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
4671  */
4672 struct dmub_cmd_lock_hw_data {
4673 	/**
4674 	 * Specifies the client accessing HW Lock Manager.
4675 	 */
4676 	enum hw_lock_client client;
4677 	/**
4678 	 * HW instances to be locked.
4679 	 */
4680 	struct dmub_hw_lock_inst_flags inst_flags;
4681 	/**
4682 	 * Which components to be locked.
4683 	 */
4684 	union dmub_hw_lock_flags hw_locks;
4685 	/**
4686 	 * Specifies lock/unlock.
4687 	 */
4688 	uint8_t lock;
4689 	/**
4690 	 * HW can be unlocked separately from releasing the HW Lock Mgr.
4691 	 * This flag is set if the client wishes to release the object.
4692 	 */
4693 	uint8_t should_release;
4694 	/**
4695 	 * Explicit padding to 4 byte boundary.
4696 	 */
4697 	uint8_t pad;
4698 };
4699 
4700 /**
4701  * Definition of a DMUB_CMD__HW_LOCK command.
4702  * Command is used by driver and FW.
4703  */
4704 struct dmub_rb_cmd_lock_hw {
4705 	/**
4706 	 * Command header.
4707 	 */
4708 	struct dmub_cmd_header header;
4709 	/**
4710 	 * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
4711 	 */
4712 	struct dmub_cmd_lock_hw_data lock_hw_data;
4713 };
4714 
4715 /**
4716  * ABM command sub-types.
4717  */
4718 enum dmub_cmd_abm_type {
4719 	/**
4720 	 * Initialize parameters for ABM algorithm.
4721 	 * Data is passed through an indirect buffer.
4722 	 */
4723 	DMUB_CMD__ABM_INIT_CONFIG	= 0,
4724 	/**
4725 	 * Set OTG and panel HW instance.
4726 	 */
4727 	DMUB_CMD__ABM_SET_PIPE		= 1,
4728 	/**
4729 	 * Set user requested backklight level.
4730 	 */
4731 	DMUB_CMD__ABM_SET_BACKLIGHT	= 2,
4732 	/**
4733 	 * Set ABM operating/aggression level.
4734 	 */
4735 	DMUB_CMD__ABM_SET_LEVEL		= 3,
4736 	/**
4737 	 * Set ambient light level.
4738 	 */
4739 	DMUB_CMD__ABM_SET_AMBIENT_LEVEL	= 4,
4740 	/**
4741 	 * Enable/disable fractional duty cycle for backlight PWM.
4742 	 */
4743 	DMUB_CMD__ABM_SET_PWM_FRAC	= 5,
4744 
4745 	/**
4746 	 * unregister vertical interrupt after steady state is reached
4747 	 */
4748 	DMUB_CMD__ABM_PAUSE	= 6,
4749 
4750 	/**
4751 	 * Save and Restore ABM state. On save we save parameters, and
4752 	 * on restore we update state with passed in data.
4753 	 */
4754 	DMUB_CMD__ABM_SAVE_RESTORE	= 7,
4755 
4756 	/**
4757 	 * Query ABM caps.
4758 	 */
4759 	DMUB_CMD__ABM_QUERY_CAPS	= 8,
4760 
4761 	/**
4762 	 * Set ABM Events
4763 	 */
4764 	DMUB_CMD__ABM_SET_EVENT	= 9,
4765 
4766 	/**
4767 	 * Get the current ACE curve.
4768 	 */
4769 	DMUB_CMD__ABM_GET_ACE_CURVE = 10,
4770 
4771 	/**
4772 	 * Get current histogram data
4773 	 */
4774 	DMUB_CMD__ABM_GET_HISTOGRAM_DATA = 11,
4775 };
4776 
4777 /**
4778  * LSDMA command sub-types.
4779  */
4780 enum dmub_cmd_lsdma_type {
4781 	/**
4782 	 * Initialize parameters for LSDMA.
4783 	 * Ring buffer is mapped to the ring buffer
4784 	 */
4785 	DMUB_CMD__LSDMA_INIT_CONFIG	= 0,
4786 	/**
4787 	 * LSDMA copies data from source to destination linearly
4788 	 */
4789 	DMUB_CMD__LSDMA_LINEAR_COPY = 1,
4790 	/**
4791 	* LSDMA copies data from source to destination linearly in sub window
4792 	*/
4793 	DMUB_CMD__LSDMA_LINEAR_SUB_WINDOW_COPY = 2,
4794 	/**
4795 	 * Send the tiled-to-tiled copy command
4796 	 */
4797 	DMUB_CMD__LSDMA_TILED_TO_TILED_COPY = 3,
4798 	/**
4799 	 * Send the poll reg write command
4800 	 */
4801 	DMUB_CMD__LSDMA_POLL_REG_WRITE = 4,
4802 	/**
4803 	 * Send the pio copy command
4804 	 */
4805 	DMUB_CMD__LSDMA_PIO_COPY = 5,
4806 	/**
4807 	 * Send the pio constfill command
4808 	 */
4809 	DMUB_CMD__LSDMA_PIO_CONSTFILL = 6,
4810 };
4811 
4812 struct abm_ace_curve {
4813 	/**
4814 	 * @offsets: ACE curve offsets.
4815 	 */
4816 	uint32_t offsets[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4817 
4818 	/**
4819 	 * @thresholds: ACE curve thresholds.
4820 	 */
4821 	uint32_t thresholds[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4822 
4823 	/**
4824 	 * @slopes: ACE curve slopes.
4825 	 */
4826 	uint32_t slopes[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4827 };
4828 
4829 struct fixed_pt_format {
4830 	/**
4831 	 * @sign_bit: Indicates whether one bit is reserved for the sign.
4832 	 */
4833 	bool sign_bit;
4834 
4835 	/**
4836 	 * @num_int_bits: Number of bits used for integer part.
4837 	 */
4838 	uint8_t num_int_bits;
4839 
4840 	/**
4841 	 * @num_frac_bits: Number of bits used for fractional part.
4842 	 */
4843 	uint8_t num_frac_bits;
4844 
4845 	/**
4846 	 * @pad: Explicit padding to 4 byte boundary.
4847 	 */
4848 	uint8_t pad;
4849 };
4850 
4851 struct abm_caps {
4852 	/**
4853 	 * @num_hg_bins: Number of histogram bins.
4854 	 */
4855 	uint8_t num_hg_bins;
4856 
4857 	/**
4858 	 * @num_ace_segments: Number of ACE curve segments.
4859 	 */
4860 	uint8_t num_ace_segments;
4861 
4862 	/**
4863 	 * @pad: Explicit padding to 4 byte boundary.
4864 	 */
4865 	uint8_t pad[2];
4866 
4867 	/**
4868 	 * @ace_thresholds_format: Format of the ACE thresholds. If not programmable, it is set to 0.
4869 	 */
4870 	struct fixed_pt_format ace_thresholds_format;
4871 
4872 	/**
4873 	 * @ace_offsets_format: Format of the ACE offsets. If not programmable, it is set to 0.
4874 	 */
4875 	struct fixed_pt_format ace_offsets_format;
4876 
4877 	/**
4878 	 * @ace_slopes_format: Format of the ACE slopes.
4879 	 */
4880 	struct fixed_pt_format ace_slopes_format;
4881 };
4882 
4883 /**
4884  * Parameters for ABM2.4 algorithm. Passed from driver to FW via an indirect buffer.
4885  * Requirements:
4886  *  - Padded explicitly to 32-bit boundary.
4887  *  - Must ensure this structure matches the one on driver-side,
4888  *    otherwise it won't be aligned.
4889  */
4890 struct abm_config_table {
4891 	/**
4892 	 * Gamma curve thresholds, used for crgb conversion.
4893 	 */
4894 	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];                 // 0B
4895 	/**
4896 	 * Gamma curve offsets, used for crgb conversion.
4897 	 */
4898 	uint16_t crgb_offset[NUM_POWER_FN_SEGS];                 // 16B
4899 	/**
4900 	 * Gamma curve slopes, used for crgb conversion.
4901 	 */
4902 	uint16_t crgb_slope[NUM_POWER_FN_SEGS];                  // 32B
4903 	/**
4904 	 * Custom backlight curve thresholds.
4905 	 */
4906 	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];        // 48B
4907 	/**
4908 	 * Custom backlight curve offsets.
4909 	 */
4910 	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];           // 78B
4911 	/**
4912 	 * Ambient light thresholds.
4913 	 */
4914 	uint16_t ambient_thresholds_lux[NUM_AMBI_LEVEL];         // 112B
4915 	/**
4916 	 * Minimum programmable backlight.
4917 	 */
4918 	uint16_t min_abm_backlight;                              // 122B
4919 	/**
4920 	 * Minimum reduction values.
4921 	 */
4922 	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 124B
4923 	/**
4924 	 * Maximum reduction values.
4925 	 */
4926 	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 144B
4927 	/**
4928 	 * Bright positive gain.
4929 	 */
4930 	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 164B
4931 	/**
4932 	 * Dark negative gain.
4933 	 */
4934 	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 184B
4935 	/**
4936 	 * Hybrid factor.
4937 	 */
4938 	uint8_t hybrid_factor[NUM_AGGR_LEVEL];                   // 204B
4939 	/**
4940 	 * Contrast factor.
4941 	 */
4942 	uint8_t contrast_factor[NUM_AGGR_LEVEL];                 // 208B
4943 	/**
4944 	 * Deviation gain.
4945 	 */
4946 	uint8_t deviation_gain[NUM_AGGR_LEVEL];                  // 212B
4947 	/**
4948 	 * Minimum knee.
4949 	 */
4950 	uint8_t min_knee[NUM_AGGR_LEVEL];                        // 216B
4951 	/**
4952 	 * Maximum knee.
4953 	 */
4954 	uint8_t max_knee[NUM_AGGR_LEVEL];                        // 220B
4955 	/**
4956 	 * Unused.
4957 	 */
4958 	uint8_t iir_curve[NUM_AMBI_LEVEL];                       // 224B
4959 	/**
4960 	 * Explicit padding to 4 byte boundary.
4961 	 */
4962 	uint8_t pad3[3];                                         // 229B
4963 	/**
4964 	 * Backlight ramp reduction.
4965 	 */
4966 	uint16_t blRampReduction[NUM_AGGR_LEVEL];                // 232B
4967 	/**
4968 	 * Backlight ramp start.
4969 	 */
4970 	uint16_t blRampStart[NUM_AGGR_LEVEL];                    // 240B
4971 };
4972 
4973 /**
4974  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
4975  */
4976 struct dmub_cmd_abm_set_pipe_data {
4977 	/**
4978 	 * OTG HW instance.
4979 	 */
4980 	uint8_t otg_inst;
4981 
4982 	/**
4983 	 * Panel Control HW instance.
4984 	 */
4985 	uint8_t panel_inst;
4986 
4987 	/**
4988 	 * Controls how ABM will interpret a set pipe or set level command.
4989 	 */
4990 	uint8_t set_pipe_option;
4991 
4992 	/**
4993 	 * Unused.
4994 	 * TODO: Remove.
4995 	 */
4996 	uint8_t ramping_boundary;
4997 
4998 	/**
4999 	 * PwrSeq HW Instance.
5000 	 */
5001 	uint8_t pwrseq_inst;
5002 
5003 	/**
5004 	 * Explicit padding to 4 byte boundary.
5005 	 */
5006 	uint8_t pad[3];
5007 };
5008 
5009 /**
5010  * Definition of a DMUB_CMD__ABM_SET_PIPE command.
5011  */
5012 struct dmub_rb_cmd_abm_set_pipe {
5013 	/**
5014 	 * Command header.
5015 	 */
5016 	struct dmub_cmd_header header;
5017 
5018 	/**
5019 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
5020 	 */
5021 	struct dmub_cmd_abm_set_pipe_data abm_set_pipe_data;
5022 };
5023 
5024 /**
5025  * Type of backlight control method to be used by ABM module
5026  */
5027 enum dmub_backlight_control_type {
5028 	/**
5029 	 * PWM Backlight control
5030 	 */
5031 	DMU_BACKLIGHT_CONTROL_PWM = 0,
5032 	/**
5033 	 * VESA Aux-based backlight control
5034 	 */
5035 	DMU_BACKLIGHT_CONTROL_VESA_AUX = 1,
5036 	/**
5037 	 * AMD DPCD Aux-based backlight control
5038 	 */
5039 	DMU_BACKLIGHT_CONTROL_AMD_AUX = 2,
5040 };
5041 
5042 /**
5043  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
5044  */
5045 struct dmub_cmd_abm_set_backlight_data {
5046 	/**
5047 	 * Number of frames to ramp to backlight user level.
5048 	 */
5049 	uint32_t frame_ramp;
5050 
5051 	/**
5052 	 * Requested backlight level from user.
5053 	 */
5054 	uint32_t backlight_user_level;
5055 
5056 	/**
5057 	 * ABM control version.
5058 	 */
5059 	uint8_t version;
5060 
5061 	/**
5062 	 * Panel Control HW instance mask.
5063 	 * Bit 0 is Panel Control HW instance 0.
5064 	 * Bit 1 is Panel Control HW instance 1.
5065 	 */
5066 	uint8_t panel_mask;
5067 
5068 	/**
5069 	 * AUX HW Instance.
5070 	 */
5071 	uint8_t aux_inst;
5072 
5073 	/**
5074 	 * Explicit padding to 4 byte boundary.
5075 	 */
5076 	uint8_t pad[1];
5077 
5078 	/**
5079 	 * Backlight control type.
5080 	 * Value 0 is PWM backlight control.
5081 	 * Value 1 is VAUX backlight control.
5082 	 * Value 2 is AMD DPCD AUX backlight control.
5083 	 */
5084 	enum dmub_backlight_control_type backlight_control_type;
5085 
5086 	/**
5087 	 * Minimum luminance in nits.
5088 	 */
5089 	uint32_t min_luminance;
5090 
5091 	/**
5092 	 * Maximum luminance in nits.
5093 	 */
5094 	uint32_t max_luminance;
5095 
5096 	/**
5097 	 * Minimum backlight in pwm.
5098 	 */
5099 	uint32_t min_backlight_pwm;
5100 
5101 	/**
5102 	 * Maximum backlight in pwm.
5103 	 */
5104 	uint32_t max_backlight_pwm;
5105 };
5106 
5107 /**
5108  * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
5109  */
5110 struct dmub_rb_cmd_abm_set_backlight {
5111 	/**
5112 	 * Command header.
5113 	 */
5114 	struct dmub_cmd_header header;
5115 
5116 	/**
5117 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
5118 	 */
5119 	struct dmub_cmd_abm_set_backlight_data abm_set_backlight_data;
5120 };
5121 
5122 /**
5123  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
5124  */
5125 struct dmub_cmd_abm_set_level_data {
5126 	/**
5127 	 * Set current ABM operating/aggression level.
5128 	 */
5129 	uint32_t level;
5130 
5131 	/**
5132 	 * ABM control version.
5133 	 */
5134 	uint8_t version;
5135 
5136 	/**
5137 	 * Panel Control HW instance mask.
5138 	 * Bit 0 is Panel Control HW instance 0.
5139 	 * Bit 1 is Panel Control HW instance 1.
5140 	 */
5141 	uint8_t panel_mask;
5142 
5143 	/**
5144 	 * Explicit padding to 4 byte boundary.
5145 	 */
5146 	uint8_t pad[2];
5147 };
5148 
5149 /**
5150  * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
5151  */
5152 struct dmub_rb_cmd_abm_set_level {
5153 	/**
5154 	 * Command header.
5155 	 */
5156 	struct dmub_cmd_header header;
5157 
5158 	/**
5159 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
5160 	 */
5161 	struct dmub_cmd_abm_set_level_data abm_set_level_data;
5162 };
5163 
5164 /**
5165  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5166  */
5167 struct dmub_cmd_abm_set_ambient_level_data {
5168 	/**
5169 	 * Ambient light sensor reading from OS.
5170 	 */
5171 	uint32_t ambient_lux;
5172 
5173 	/**
5174 	 * ABM control version.
5175 	 */
5176 	uint8_t version;
5177 
5178 	/**
5179 	 * Panel Control HW instance mask.
5180 	 * Bit 0 is Panel Control HW instance 0.
5181 	 * Bit 1 is Panel Control HW instance 1.
5182 	 */
5183 	uint8_t panel_mask;
5184 
5185 	/**
5186 	 * Explicit padding to 4 byte boundary.
5187 	 */
5188 	uint8_t pad[2];
5189 };
5190 
5191 /**
5192  * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5193  */
5194 struct dmub_rb_cmd_abm_set_ambient_level {
5195 	/**
5196 	 * Command header.
5197 	 */
5198 	struct dmub_cmd_header header;
5199 
5200 	/**
5201 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5202 	 */
5203 	struct dmub_cmd_abm_set_ambient_level_data abm_set_ambient_level_data;
5204 };
5205 
5206 /**
5207  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
5208  */
5209 struct dmub_cmd_abm_set_pwm_frac_data {
5210 	/**
5211 	 * Enable/disable fractional duty cycle for backlight PWM.
5212 	 * TODO: Convert to uint8_t.
5213 	 */
5214 	uint32_t fractional_pwm;
5215 
5216 	/**
5217 	 * ABM control version.
5218 	 */
5219 	uint8_t version;
5220 
5221 	/**
5222 	 * Panel Control HW instance mask.
5223 	 * Bit 0 is Panel Control HW instance 0.
5224 	 * Bit 1 is Panel Control HW instance 1.
5225 	 */
5226 	uint8_t panel_mask;
5227 
5228 	/**
5229 	 * Explicit padding to 4 byte boundary.
5230 	 */
5231 	uint8_t pad[2];
5232 };
5233 
5234 /**
5235  * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
5236  */
5237 struct dmub_rb_cmd_abm_set_pwm_frac {
5238 	/**
5239 	 * Command header.
5240 	 */
5241 	struct dmub_cmd_header header;
5242 
5243 	/**
5244 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
5245 	 */
5246 	struct dmub_cmd_abm_set_pwm_frac_data abm_set_pwm_frac_data;
5247 };
5248 
5249 /**
5250  * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
5251  */
5252 struct dmub_cmd_abm_init_config_data {
5253 	/**
5254 	 * Location of indirect buffer used to pass init data to ABM.
5255 	 */
5256 	union dmub_addr src;
5257 
5258 	/**
5259 	 * Indirect buffer length.
5260 	 */
5261 	uint16_t bytes;
5262 
5263 
5264 	/**
5265 	 * ABM control version.
5266 	 */
5267 	uint8_t version;
5268 
5269 	/**
5270 	 * Panel Control HW instance mask.
5271 	 * Bit 0 is Panel Control HW instance 0.
5272 	 * Bit 1 is Panel Control HW instance 1.
5273 	 */
5274 	uint8_t panel_mask;
5275 
5276 	/**
5277 	 * Explicit padding to 4 byte boundary.
5278 	 */
5279 	uint8_t pad[2];
5280 };
5281 
5282 /**
5283  * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
5284  */
5285 struct dmub_rb_cmd_abm_init_config {
5286 	/**
5287 	 * Command header.
5288 	 */
5289 	struct dmub_cmd_header header;
5290 
5291 	/**
5292 	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
5293 	 */
5294 	struct dmub_cmd_abm_init_config_data abm_init_config_data;
5295 };
5296 
5297 /**
5298  * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
5299  */
5300 
5301 struct dmub_cmd_abm_pause_data {
5302 
5303 	/**
5304 	 * Panel Control HW instance mask.
5305 	 * Bit 0 is Panel Control HW instance 0.
5306 	 * Bit 1 is Panel Control HW instance 1.
5307 	 */
5308 	uint8_t panel_mask;
5309 
5310 	/**
5311 	 * OTG hw instance
5312 	 */
5313 	uint8_t otg_inst;
5314 
5315 	/**
5316 	 * Enable or disable ABM pause
5317 	 */
5318 	uint8_t enable;
5319 
5320 	/**
5321 	 * Explicit padding to 4 byte boundary.
5322 	 */
5323 	uint8_t pad[1];
5324 };
5325 
5326 /**
5327  * Definition of a DMUB_CMD__ABM_PAUSE command.
5328  */
5329 struct dmub_rb_cmd_abm_pause {
5330 	/**
5331 	 * Command header.
5332 	 */
5333 	struct dmub_cmd_header header;
5334 
5335 	/**
5336 	 * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
5337 	 */
5338 	struct dmub_cmd_abm_pause_data abm_pause_data;
5339 };
5340 
5341 /**
5342  * Data passed from driver to FW in a DMUB_CMD__ABM_QUERY_CAPS command.
5343  */
5344 struct dmub_cmd_abm_query_caps_in {
5345 	/**
5346 	 * Panel instance.
5347 	 */
5348 	uint8_t panel_inst;
5349 
5350 	/**
5351 	 * Explicit padding to 4 byte boundary.
5352 	 */
5353 	uint8_t pad[3];
5354 };
5355 
5356 /**
5357  * Data passed from FW to driver in a DMUB_CMD__ABM_QUERY_CAPS command.
5358  */
5359 struct dmub_cmd_abm_query_caps_out {
5360 	/**
5361 	 * SW Algorithm caps.
5362 	 */
5363 	struct abm_caps sw_caps;
5364 
5365 	/**
5366 	 * ABM HW caps.
5367 	 */
5368 	struct abm_caps hw_caps;
5369 };
5370 
5371 /**
5372  * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
5373  */
5374 struct dmub_rb_cmd_abm_query_caps {
5375 	/**
5376 	 * Command header.
5377 	 */
5378 	struct dmub_cmd_header header;
5379 
5380 	/**
5381 	 * Data passed between FW and driver in a DMUB_CMD__ABM_QUERY_CAPS command.
5382 	 */
5383 	union {
5384 		struct dmub_cmd_abm_query_caps_in  abm_query_caps_in;
5385 		struct dmub_cmd_abm_query_caps_out abm_query_caps_out;
5386 	} data;
5387 };
5388 
5389 /**
5390  * enum dmub_abm_ace_curve_type - ACE curve type.
5391  */
5392 enum dmub_abm_ace_curve_type {
5393 	/**
5394 	 * ACE curve as defined by the SW layer.
5395 	 */
5396 	ABM_ACE_CURVE_TYPE__SW = 0,
5397 	/**
5398 	 * ACE curve as defined by the SW to HW translation interface layer.
5399 	 */
5400 	ABM_ACE_CURVE_TYPE__SW_IF = 1,
5401 };
5402 
5403 /**
5404  * enum dmub_abm_histogram_type - Histogram type.
5405  */
5406 enum dmub_abm_histogram_type {
5407 	/**
5408 	 * ACE curve as defined by the SW layer.
5409 	 */
5410 	ABM_HISTOGRAM_TYPE__SW = 0,
5411 	/**
5412 	 * ACE curve as defined by the SW to HW translation interface layer.
5413 	 */
5414 	ABM_HISTOGRAM_TYPE__SW_IF = 1,
5415 };
5416 
5417 /**
5418  * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
5419  */
5420 struct dmub_rb_cmd_abm_get_ace_curve {
5421 	/**
5422 	 * Command header.
5423 	 */
5424 	struct dmub_cmd_header header;
5425 
5426 	/**
5427 	 * Address where ACE curve should be copied.
5428 	 */
5429 	union dmub_addr dest;
5430 
5431 	/**
5432 	 * Type of ACE curve being queried.
5433 	 */
5434 	enum dmub_abm_ace_curve_type ace_type;
5435 
5436 	/**
5437 	 * Indirect buffer length.
5438 	 */
5439 	uint16_t bytes;
5440 
5441 	/**
5442 	 * eDP panel instance.
5443 	 */
5444 	uint8_t panel_inst;
5445 
5446 	/**
5447 	 * Explicit padding to 4 byte boundary.
5448 	 */
5449 	uint8_t pad;
5450 };
5451 
5452 /**
5453  * Definition of a DMUB_CMD__ABM_GET_HISTOGRAM command.
5454  */
5455 struct dmub_rb_cmd_abm_get_histogram {
5456 	/**
5457 	 * Command header.
5458 	 */
5459 	struct dmub_cmd_header header;
5460 
5461 	/**
5462 	 * Address where Histogram should be copied.
5463 	 */
5464 	union dmub_addr dest;
5465 
5466 	/**
5467 	 * Type of Histogram being queried.
5468 	 */
5469 	enum dmub_abm_histogram_type histogram_type;
5470 
5471 	/**
5472 	 * Indirect buffer length.
5473 	 */
5474 	uint16_t bytes;
5475 
5476 	/**
5477 	 * eDP panel instance.
5478 	 */
5479 	uint8_t panel_inst;
5480 
5481 	/**
5482 	 * Explicit padding to 4 byte boundary.
5483 	 */
5484 	uint8_t pad;
5485 };
5486 
5487 /**
5488  * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
5489  */
5490 struct dmub_rb_cmd_abm_save_restore {
5491 	/**
5492 	 * Command header.
5493 	 */
5494 	struct dmub_cmd_header header;
5495 
5496 	/**
5497 	 * OTG hw instance
5498 	 */
5499 	uint8_t otg_inst;
5500 
5501 	/**
5502 	 * Enable or disable ABM pause
5503 	 */
5504 	uint8_t freeze;
5505 
5506 	/**
5507 	 * Explicit padding to 4 byte boundary.
5508 	 */
5509 	uint8_t debug;
5510 
5511 	/**
5512 	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
5513 	 */
5514 	struct dmub_cmd_abm_init_config_data abm_init_config_data;
5515 };
5516 
5517 /**
5518  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
5519  */
5520 
5521 struct dmub_cmd_abm_set_event_data {
5522 
5523 	/**
5524 	 * VB Scaling Init. Strength Mapping
5525 	 * Byte 0: 0~255 for VB level 0
5526 	 * Byte 1: 0~255 for VB level 1
5527 	 * Byte 2: 0~255 for VB level 2
5528 	 * Byte 3: 0~255 for VB level 3
5529 	 */
5530 	uint32_t vb_scaling_strength_mapping;
5531 	/**
5532 	 * VariBright Scaling Enable
5533 	 */
5534 	uint8_t vb_scaling_enable;
5535 	/**
5536 	 * Panel Control HW instance mask.
5537 	 * Bit 0 is Panel Control HW instance 0.
5538 	 * Bit 1 is Panel Control HW instance 1.
5539 	 */
5540 	uint8_t panel_mask;
5541 
5542 	/**
5543 	 * Explicit padding to 4 byte boundary.
5544 	 */
5545 	uint8_t pad[2];
5546 };
5547 
5548 /**
5549  * Definition of a DMUB_CMD__ABM_SET_EVENT command.
5550  */
5551 struct dmub_rb_cmd_abm_set_event {
5552 	/**
5553 	 * Command header.
5554 	 */
5555 	struct dmub_cmd_header header;
5556 
5557 	/**
5558 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
5559 	 */
5560 	struct dmub_cmd_abm_set_event_data abm_set_event_data;
5561 };
5562 
5563 /**
5564  * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
5565  */
5566 struct dmub_cmd_query_feature_caps_data {
5567 	/**
5568 	 * DMUB feature capabilities.
5569 	 * After DMUB init, driver will query FW capabilities prior to enabling certain features.
5570 	 */
5571 	struct dmub_feature_caps feature_caps;
5572 };
5573 
5574 /**
5575  * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
5576  */
5577 struct dmub_rb_cmd_query_feature_caps {
5578 	/**
5579 	 * Command header.
5580 	 */
5581 	struct dmub_cmd_header header;
5582 	/**
5583 	 * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
5584 	 */
5585 	struct dmub_cmd_query_feature_caps_data query_feature_caps_data;
5586 };
5587 
5588 /**
5589  * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
5590  */
5591 struct dmub_cmd_visual_confirm_color_data {
5592 	/**
5593 	 * DMUB visual confirm color
5594 	 */
5595 	struct dmub_visual_confirm_color visual_confirm_color;
5596 };
5597 
5598 /**
5599  * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
5600  */
5601 struct dmub_rb_cmd_get_visual_confirm_color {
5602 	/**
5603 	 * Command header.
5604 	 */
5605 	struct dmub_cmd_header header;
5606 	/**
5607 	 * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
5608 	 */
5609 	struct dmub_cmd_visual_confirm_color_data visual_confirm_color_data;
5610 };
5611 
5612 /**
5613  * enum dmub_cmd_panel_cntl_type - Panel control command.
5614  */
5615 enum dmub_cmd_panel_cntl_type {
5616 	/**
5617 	 * Initializes embedded panel hardware blocks.
5618 	 */
5619 	DMUB_CMD__PANEL_CNTL_HW_INIT = 0,
5620 	/**
5621 	 * Queries backlight info for the embedded panel.
5622 	 */
5623 	DMUB_CMD__PANEL_CNTL_QUERY_BACKLIGHT_INFO = 1,
5624 	/**
5625 	 * Sets the PWM Freq as per user's requirement.
5626 	 */
5627 	DMUB_CMD__PANEL_DEBUG_PWM_FREQ = 2,
5628 };
5629 
5630 /**
5631  * struct dmub_cmd_panel_cntl_data - Panel control data.
5632  */
5633 struct dmub_cmd_panel_cntl_data {
5634 	uint32_t pwrseq_inst; /**< pwrseq instance */
5635 	uint32_t current_backlight; /* in/out */
5636 	uint32_t bl_pwm_cntl; /* in/out */
5637 	uint32_t bl_pwm_period_cntl; /* in/out */
5638 	uint32_t bl_pwm_ref_div1; /* in/out */
5639 	uint8_t is_backlight_on : 1; /* in/out */
5640 	uint8_t is_powered_on : 1; /* in/out */
5641 	uint8_t padding[3];
5642 	uint32_t bl_pwm_ref_div2; /* in/out */
5643 	uint8_t reserved[4];
5644 };
5645 
5646 /**
5647  * struct dmub_rb_cmd_panel_cntl - Panel control command.
5648  */
5649 struct dmub_rb_cmd_panel_cntl {
5650 	struct dmub_cmd_header header; /**< header */
5651 	struct dmub_cmd_panel_cntl_data data; /**< payload */
5652 };
5653 
5654 struct dmub_optc_state {
5655 	uint32_t v_total_max;
5656 	uint32_t v_total_min;
5657 	uint32_t tg_inst;
5658 };
5659 
5660 struct dmub_rb_cmd_drr_update {
5661 	struct dmub_cmd_header header;
5662 	struct dmub_optc_state dmub_optc_state_req;
5663 };
5664 
5665 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data {
5666 	uint32_t pix_clk_100hz;
5667 	uint8_t max_ramp_step;
5668 	uint8_t pipes;
5669 	uint8_t min_refresh_in_hz;
5670 	uint8_t pipe_count;
5671 	uint8_t pipe_index[4];
5672 };
5673 
5674 struct dmub_cmd_fw_assisted_mclk_switch_config {
5675 	uint8_t fams_enabled;
5676 	uint8_t visual_confirm_enabled;
5677 	uint16_t vactive_stretch_margin_us; // Extra vblank stretch required when doing FPO + Vactive
5678 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data pipe_data[DMUB_MAX_FPO_STREAMS];
5679 };
5680 
5681 struct dmub_rb_cmd_fw_assisted_mclk_switch {
5682 	struct dmub_cmd_header header;
5683 	struct dmub_cmd_fw_assisted_mclk_switch_config config_data;
5684 };
5685 
5686 /**
5687  * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5688  */
5689 struct dmub_cmd_lvtma_control_data {
5690 	uint8_t uc_pwr_action; /**< LVTMA_ACTION */
5691 	uint8_t bypass_panel_control_wait;
5692 	uint8_t reserved_0[2]; /**< For future use */
5693 	uint8_t pwrseq_inst; /**< LVTMA control instance */
5694 	uint8_t reserved_1[3]; /**< For future use */
5695 };
5696 
5697 /**
5698  * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5699  */
5700 struct dmub_rb_cmd_lvtma_control {
5701 	/**
5702 	 * Command header.
5703 	 */
5704 	struct dmub_cmd_header header;
5705 	/**
5706 	 * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5707 	 */
5708 	struct dmub_cmd_lvtma_control_data data;
5709 };
5710 
5711 /**
5712  * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
5713  */
5714 struct dmub_rb_cmd_transmitter_query_dp_alt_data {
5715 	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
5716 	uint8_t is_usb; /**< is phy is usb */
5717 	uint8_t is_dp_alt_disable; /**< is dp alt disable */
5718 	uint8_t is_dp4; /**< is dp in 4 lane */
5719 };
5720 
5721 /**
5722  * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
5723  */
5724 struct dmub_rb_cmd_transmitter_query_dp_alt {
5725 	struct dmub_cmd_header header; /**< header */
5726 	struct dmub_rb_cmd_transmitter_query_dp_alt_data data; /**< payload */
5727 };
5728 
5729 struct phy_test_mode {
5730 	uint8_t mode;
5731 	uint8_t pat0;
5732 	uint8_t pad[2];
5733 };
5734 
5735 /**
5736  * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
5737  */
5738 struct dmub_rb_cmd_transmitter_set_phy_fsm_data {
5739 	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
5740 	uint8_t mode; /**< HDMI/DP/DP2 etc */
5741 	uint8_t lane_num; /**< Number of lanes */
5742 	uint32_t symclk_100Hz; /**< PLL symclock in 100hz */
5743 	struct phy_test_mode test_mode;
5744 	enum dmub_phy_fsm_state state;
5745 	uint32_t status;
5746 	uint8_t pad;
5747 };
5748 
5749 /**
5750  * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
5751  */
5752 struct dmub_rb_cmd_transmitter_set_phy_fsm {
5753 	struct dmub_cmd_header header; /**< header */
5754 	struct dmub_rb_cmd_transmitter_set_phy_fsm_data data; /**< payload */
5755 };
5756 
5757 /**
5758  * Maximum number of bytes a chunk sent to DMUB for parsing
5759  */
5760 #define DMUB_EDID_CEA_DATA_CHUNK_BYTES 8
5761 
5762 /**
5763  *  Represent a chunk of CEA blocks sent to DMUB for parsing
5764  */
5765 struct dmub_cmd_send_edid_cea {
5766 	uint16_t offset;	/**< offset into the CEA block */
5767 	uint8_t length;	/**< number of bytes in payload to copy as part of CEA block */
5768 	uint16_t cea_total_length;  /**< total length of the CEA block */
5769 	uint8_t payload[DMUB_EDID_CEA_DATA_CHUNK_BYTES]; /**< data chunk of the CEA block */
5770 	uint8_t pad[3]; /**< padding and for future expansion */
5771 };
5772 
5773 /**
5774  * Result of VSDB parsing from CEA block
5775  */
5776 struct dmub_cmd_edid_cea_amd_vsdb {
5777 	uint8_t vsdb_found;		/**< 1 if parsing has found valid AMD VSDB */
5778 	uint8_t freesync_supported;	/**< 1 if Freesync is supported */
5779 	uint16_t amd_vsdb_version;	/**< AMD VSDB version */
5780 	uint16_t min_frame_rate;	/**< Maximum frame rate */
5781 	uint16_t max_frame_rate;	/**< Minimum frame rate */
5782 };
5783 
5784 /**
5785  * Result of sending a CEA chunk
5786  */
5787 struct dmub_cmd_edid_cea_ack {
5788 	uint16_t offset;	/**< offset of the chunk into the CEA block */
5789 	uint8_t success;	/**< 1 if this sending of chunk succeeded */
5790 	uint8_t pad;		/**< padding and for future expansion */
5791 };
5792 
5793 /**
5794  * Specify whether the result is an ACK/NACK or the parsing has finished
5795  */
5796 enum dmub_cmd_edid_cea_reply_type {
5797 	DMUB_CMD__EDID_CEA_AMD_VSDB	= 1, /**< VSDB parsing has finished */
5798 	DMUB_CMD__EDID_CEA_ACK		= 2, /**< acknowledges the CEA sending is OK or failing */
5799 };
5800 
5801 /**
5802  * Definition of a DMUB_CMD__EDID_CEA command.
5803  */
5804 struct dmub_rb_cmd_edid_cea {
5805 	struct dmub_cmd_header header;	/**< Command header */
5806 	union dmub_cmd_edid_cea_data {
5807 		struct dmub_cmd_send_edid_cea input; /**< input to send CEA chunks */
5808 		struct dmub_cmd_edid_cea_output { /**< output with results */
5809 			uint8_t type;	/**< dmub_cmd_edid_cea_reply_type */
5810 			union {
5811 				struct dmub_cmd_edid_cea_amd_vsdb amd_vsdb;
5812 				struct dmub_cmd_edid_cea_ack ack;
5813 			};
5814 		} output;	/**< output to retrieve ACK/NACK or VSDB parsing results */
5815 	} data;	/**< Command data */
5816 
5817 };
5818 
5819 /**
5820  * struct dmub_cmd_cable_id_input - Defines the input of DMUB_CMD_GET_USBC_CABLE_ID command.
5821  */
5822 struct dmub_cmd_cable_id_input {
5823 	uint8_t phy_inst;  /**< phy inst for cable id data */
5824 };
5825 
5826 /**
5827  * struct dmub_cmd_cable_id_input - Defines the output of DMUB_CMD_GET_USBC_CABLE_ID command.
5828  */
5829 struct dmub_cmd_cable_id_output {
5830 	uint8_t UHBR10_20_CAPABILITY	:2; /**< b'01 for UHBR10 support, b'10 for both UHBR10 and UHBR20 support */
5831 	uint8_t UHBR13_5_CAPABILITY	:1; /**< b'1 for UHBR13.5 support */
5832 	uint8_t CABLE_TYPE		:3; /**< b'01 for passive cable, b'10 for active LRD cable, b'11 for active retimer cable */
5833 	uint8_t RESERVED		:2; /**< reserved means not defined */
5834 };
5835 
5836 /**
5837  * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command
5838  */
5839 struct dmub_rb_cmd_get_usbc_cable_id {
5840 	struct dmub_cmd_header header; /**< Command header */
5841 	/**
5842 	 * Data passed from driver to FW in a DMUB_CMD_GET_USBC_CABLE_ID command.
5843 	 */
5844 	union dmub_cmd_cable_id_data {
5845 		struct dmub_cmd_cable_id_input input; /**< Input */
5846 		struct dmub_cmd_cable_id_output output; /**< Output */
5847 		uint8_t output_raw; /**< Raw data output */
5848 	} data;
5849 };
5850 
5851 enum dmub_cmd_fused_io_sub_type {
5852 	DMUB_CMD__FUSED_IO_EXECUTE = 0,
5853 	DMUB_CMD__FUSED_IO_ABORT = 1,
5854 };
5855 
5856 enum dmub_cmd_fused_request_type {
5857 	FUSED_REQUEST_READ,
5858 	FUSED_REQUEST_WRITE,
5859 	FUSED_REQUEST_POLL,
5860 };
5861 
5862 enum dmub_cmd_fused_request_status {
5863 	FUSED_REQUEST_STATUS_SUCCESS,
5864 	FUSED_REQUEST_STATUS_BEGIN,
5865 	FUSED_REQUEST_STATUS_SUBMIT,
5866 	FUSED_REQUEST_STATUS_REPLY,
5867 	FUSED_REQUEST_STATUS_POLL,
5868 	FUSED_REQUEST_STATUS_ABORTED,
5869 	FUSED_REQUEST_STATUS_FAILED = 0x80,
5870 	FUSED_REQUEST_STATUS_INVALID,
5871 	FUSED_REQUEST_STATUS_BUSY,
5872 	FUSED_REQUEST_STATUS_TIMEOUT,
5873 	FUSED_REQUEST_STATUS_POLL_TIMEOUT,
5874 };
5875 
5876 struct dmub_cmd_fused_request {
5877 	uint8_t status;
5878 	uint8_t type : 2;
5879 	uint8_t _reserved0 : 3;
5880 	uint8_t poll_mask_msb : 3;  // Number of MSB to zero out from last byte before comparing
5881 	uint8_t identifier;
5882 	uint8_t _reserved1;
5883 	uint32_t timeout_us;
5884 	union dmub_cmd_fused_request_location {
5885 		struct dmub_cmd_fused_request_location_i2c {
5886 			uint8_t is_aux : 1;  // False
5887 			uint8_t ddc_line : 3;
5888 			uint8_t over_aux : 1;
5889 			uint8_t _reserved0 : 3;
5890 			uint8_t address;
5891 			uint8_t offset;
5892 			uint8_t length;
5893 		} i2c;
5894 		struct dmub_cmd_fused_request_location_aux {
5895 			uint32_t is_aux : 1;  // True
5896 			uint32_t ddc_line : 3;
5897 			uint32_t address : 20;
5898 			uint32_t length : 8;  // Automatically split into 16B transactions
5899 		} aux;
5900 	} u;
5901 	uint8_t buffer[0x30];  // Read: out, write: in, poll: expected
5902 };
5903 
5904 struct dmub_rb_cmd_fused_io {
5905 	struct dmub_cmd_header header;
5906 	struct dmub_cmd_fused_request request;
5907 };
5908 
5909 /**
5910  * Command type of a DMUB_CMD__SECURE_DISPLAY command
5911  */
5912 enum dmub_cmd_secure_display_type {
5913 	DMUB_CMD__SECURE_DISPLAY_TEST_CMD = 0,		/* test command to only check if inbox message works */
5914 	DMUB_CMD__SECURE_DISPLAY_CRC_STOP_UPDATE,
5915 	DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY,
5916 	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_STOP_UPDATE,
5917 	DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_WIN_NOTIFY
5918 };
5919 
5920 #define MAX_ROI_NUM	2
5921 
5922 struct dmub_cmd_roi_info {
5923 	uint16_t x_start;
5924 	uint16_t x_end;
5925 	uint16_t y_start;
5926 	uint16_t y_end;
5927 	uint8_t otg_id;
5928 	uint8_t phy_id;
5929 };
5930 
5931 struct dmub_cmd_roi_window_ctl {
5932 	uint16_t x_start;
5933 	uint16_t x_end;
5934 	uint16_t y_start;
5935 	uint16_t y_end;
5936 	bool enable;
5937 };
5938 
5939 struct dmub_cmd_roi_ctl_info {
5940 	uint8_t otg_id;
5941 	uint8_t phy_id;
5942 	struct dmub_cmd_roi_window_ctl roi_ctl[MAX_ROI_NUM];
5943 };
5944 
5945 /**
5946  * Definition of a DMUB_CMD__SECURE_DISPLAY command
5947  */
5948 struct dmub_rb_cmd_secure_display {
5949 	struct dmub_cmd_header header;
5950 	/**
5951 	 * Data passed from driver to dmub firmware.
5952 	 */
5953 	struct dmub_cmd_roi_info roi_info;
5954 	struct dmub_cmd_roi_ctl_info mul_roi_ctl;
5955 };
5956 
5957 /**
5958  * Command type of a DMUB_CMD__PSP command
5959  */
5960 enum dmub_cmd_psp_type {
5961 	DMUB_CMD__PSP_ASSR_ENABLE = 0
5962 };
5963 
5964 /**
5965  * Data passed from driver to FW in a DMUB_CMD__PSP_ASSR_ENABLE command.
5966  */
5967 struct dmub_cmd_assr_enable_data {
5968 	/**
5969 	 * ASSR enable or disable.
5970 	 */
5971 	uint8_t enable;
5972 	/**
5973 	 * PHY port type.
5974 	 * Indicates eDP / non-eDP port type
5975 	 */
5976 	uint8_t phy_port_type;
5977 	/**
5978 	 * PHY port ID.
5979 	 */
5980 	uint8_t phy_port_id;
5981 	/**
5982 	 * Link encoder index.
5983 	 */
5984 	uint8_t link_enc_index;
5985 	/**
5986 	 * HPO mode.
5987 	 */
5988 	uint8_t hpo_mode;
5989 
5990 	/**
5991 	 * Reserved field.
5992 	 */
5993 	uint8_t reserved[7];
5994 };
5995 
5996 /**
5997  * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
5998  */
5999 struct dmub_rb_cmd_assr_enable {
6000 	/**
6001 	 * Command header.
6002 	 */
6003 	struct dmub_cmd_header header;
6004 
6005 	/**
6006 	 * Assr data.
6007 	 */
6008 	struct dmub_cmd_assr_enable_data assr_data;
6009 
6010 	/**
6011 	 * Reserved field.
6012 	 */
6013 	uint32_t reserved[3];
6014 };
6015 
6016 /**
6017  * Current definition of "ips_mode" from driver
6018  */
6019 enum ips_residency_mode {
6020 	IPS_RESIDENCY__IPS1_MAX,
6021 	IPS_RESIDENCY__IPS2,
6022 	IPS_RESIDENCY__IPS1_RCG,
6023 	IPS_RESIDENCY__IPS1_ONO2_ON,
6024 	IPS_RESIDENCY__IPS1_Z8_RETENTION,
6025 	IPS_RESIDENCY__PG_ONO_LAST_SEEN_IN_IPS,
6026 	IPS_RESIDENCY__PG_ONO_CURRENT_STATE
6027 };
6028 
6029 #define NUM_IPS_HISTOGRAM_BUCKETS 16
6030 
6031 /**
6032  * IPS residency statistics to be sent to driver - subset of struct dmub_ips_residency_stats
6033  */
6034 struct dmub_ips_residency_info {
6035 	uint32_t residency_millipercent;
6036 	uint32_t entry_counter;
6037 	uint32_t histogram[NUM_IPS_HISTOGRAM_BUCKETS];
6038 	uint64_t total_time_us;
6039 	uint64_t total_inactive_time_us;
6040 	uint32_t ono_pg_state_at_collection;
6041 	uint32_t ono_pg_state_last_seen_in_ips;
6042 };
6043 
6044 /**
6045  * Data passed from driver to FW in a DMUB_CMD__IPS_RESIDENCY_CNTL command.
6046  */
6047 struct dmub_cmd_ips_residency_cntl_data {
6048 	uint8_t panel_inst;
6049 	uint8_t start_measurement;
6050 	uint8_t padding[2]; // align to 4-byte boundary
6051 };
6052 
6053 struct dmub_rb_cmd_ips_residency_cntl {
6054 	struct dmub_cmd_header header;
6055 	struct dmub_cmd_ips_residency_cntl_data cntl_data;
6056 };
6057 
6058 /**
6059  * Data passed from FW to driver in a DMUB_CMD__IPS_QUERY_RESIDENCY_INFO command.
6060  */
6061 struct dmub_cmd_ips_query_residency_info_data {
6062 	union dmub_addr dest;
6063 	uint32_t size;
6064 	uint32_t ips_mode;
6065 	uint8_t panel_inst;
6066 	uint8_t padding[3]; // align to 4-byte boundary
6067 };
6068 
6069 struct dmub_rb_cmd_ips_query_residency_info {
6070 	struct dmub_cmd_header header;
6071 	struct dmub_cmd_ips_query_residency_info_data info_data;
6072 };
6073 
6074 /**
6075  * union dmub_rb_cmd - DMUB inbox command.
6076  */
6077 union dmub_rb_cmd {
6078 	/**
6079 	 * Elements shared with all commands.
6080 	 */
6081 	struct dmub_rb_cmd_common cmd_common;
6082 	/**
6083 	 * Definition of a DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE command.
6084 	 */
6085 	struct dmub_rb_cmd_read_modify_write read_modify_write;
6086 	/**
6087 	 * Definition of a DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ command.
6088 	 */
6089 	struct dmub_rb_cmd_reg_field_update_sequence reg_field_update_seq;
6090 	/**
6091 	 * Definition of a DMUB_CMD__REG_SEQ_BURST_WRITE command.
6092 	 */
6093 	struct dmub_rb_cmd_burst_write burst_write;
6094 	/**
6095 	 * Definition of a DMUB_CMD__REG_REG_WAIT command.
6096 	 */
6097 	struct dmub_rb_cmd_reg_wait reg_wait;
6098 	/**
6099 	 * Definition of a DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL command.
6100 	 */
6101 	struct dmub_rb_cmd_digx_encoder_control digx_encoder_control;
6102 	/**
6103 	 * Definition of a DMUB_CMD__VBIOS_SET_PIXEL_CLOCK command.
6104 	 */
6105 	struct dmub_rb_cmd_set_pixel_clock set_pixel_clock;
6106 	/**
6107 	 * Definition of a DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING command.
6108 	 */
6109 	struct dmub_rb_cmd_enable_disp_power_gating enable_disp_power_gating;
6110 	/**
6111 	 * Definition of a DMUB_CMD__VBIOS_DPPHY_INIT command.
6112 	 */
6113 	struct dmub_rb_cmd_dpphy_init dpphy_init;
6114 	/**
6115 	 * Definition of a DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL command.
6116 	 */
6117 	struct dmub_rb_cmd_dig1_transmitter_control dig1_transmitter_control;
6118 	/**
6119 	 * Definition of a DMUB_CMD__VBIOS_DOMAIN_CONTROL command.
6120 	 */
6121 	struct dmub_rb_cmd_domain_control domain_control;
6122 	/**
6123 	 * Definition of a DMUB_CMD__PSR_SET_VERSION command.
6124 	 */
6125 	struct dmub_rb_cmd_psr_set_version psr_set_version;
6126 	/**
6127 	 * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
6128 	 */
6129 	struct dmub_rb_cmd_psr_copy_settings psr_copy_settings;
6130 	/**
6131 	 * Definition of a DMUB_CMD__PSR_ENABLE command.
6132 	 */
6133 	struct dmub_rb_cmd_psr_enable psr_enable;
6134 	/**
6135 	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
6136 	 */
6137 	struct dmub_rb_cmd_psr_set_level psr_set_level;
6138 	/**
6139 	 * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
6140 	 */
6141 	struct dmub_rb_cmd_psr_force_static psr_force_static;
6142 	/**
6143 	 * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
6144 	 */
6145 	struct dmub_rb_cmd_update_dirty_rect update_dirty_rect;
6146 	/**
6147 	 * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
6148 	 */
6149 	struct dmub_rb_cmd_update_cursor_info update_cursor_info;
6150 	/**
6151 	 * Definition of a DMUB_CMD__HW_LOCK command.
6152 	 * Command is used by driver and FW.
6153 	 */
6154 	struct dmub_rb_cmd_lock_hw lock_hw;
6155 	/**
6156 	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
6157 	 */
6158 	struct dmub_rb_cmd_psr_set_vtotal psr_set_vtotal;
6159 	/**
6160 	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
6161 	 */
6162 	struct dmub_rb_cmd_psr_set_power_opt psr_set_power_opt;
6163 	/**
6164 	 * Definition of a DMUB_CMD__PLAT_54186_WA command.
6165 	 */
6166 	struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa;
6167 	/**
6168 	 * Definition of a DMUB_CMD__MALL command.
6169 	 */
6170 	struct dmub_rb_cmd_mall mall;
6171 
6172 	/**
6173 	 * Definition of a DMUB_CMD__CAB command.
6174 	 */
6175 	struct dmub_rb_cmd_cab_for_ss cab;
6176 
6177 	struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 fw_assisted_mclk_switch_v2;
6178 
6179 	/**
6180 	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_RESTORE command.
6181 	 */
6182 	struct dmub_rb_cmd_idle_opt_dcn_restore dcn_restore;
6183 
6184 	/**
6185 	 * Definition of a DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS command.
6186 	 */
6187 	struct dmub_rb_cmd_clk_mgr_notify_clocks notify_clocks;
6188 
6189 	/**
6190 	 * Definition of DMUB_CMD__PANEL_CNTL commands.
6191 	 */
6192 	struct dmub_rb_cmd_panel_cntl panel_cntl;
6193 
6194 	/**
6195 	 * Definition of a DMUB_CMD__ABM_SET_PIPE command.
6196 	 */
6197 	struct dmub_rb_cmd_abm_set_pipe abm_set_pipe;
6198 
6199 	/**
6200 	 * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
6201 	 */
6202 	struct dmub_rb_cmd_abm_set_backlight abm_set_backlight;
6203 
6204 	/**
6205 	 * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
6206 	 */
6207 	struct dmub_rb_cmd_abm_set_level abm_set_level;
6208 
6209 	/**
6210 	 * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
6211 	 */
6212 	struct dmub_rb_cmd_abm_set_ambient_level abm_set_ambient_level;
6213 
6214 	/**
6215 	 * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
6216 	 */
6217 	struct dmub_rb_cmd_abm_set_pwm_frac abm_set_pwm_frac;
6218 
6219 	/**
6220 	 * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
6221 	 */
6222 	struct dmub_rb_cmd_abm_init_config abm_init_config;
6223 
6224 	/**
6225 	 * Definition of a DMUB_CMD__ABM_PAUSE command.
6226 	 */
6227 	struct dmub_rb_cmd_abm_pause abm_pause;
6228 
6229 	/**
6230 	 * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
6231 	 */
6232 	struct dmub_rb_cmd_abm_save_restore abm_save_restore;
6233 
6234 	/**
6235 	 * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
6236 	 */
6237 	struct dmub_rb_cmd_abm_query_caps abm_query_caps;
6238 
6239 	/**
6240 	 * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
6241 	 */
6242 	struct dmub_rb_cmd_abm_get_ace_curve abm_get_ace_curve;
6243 
6244 	/**
6245 	 * Definition of a DMUB_CMD__ABM_GET_HISTOGRAM command.
6246 	 */
6247 	struct dmub_rb_cmd_abm_get_histogram abm_get_histogram;
6248 
6249 	/**
6250 	 * Definition of a DMUB_CMD__ABM_SET_EVENT command.
6251 	 */
6252 	struct dmub_rb_cmd_abm_set_event abm_set_event;
6253 
6254 	/**
6255 	 * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
6256 	 */
6257 	struct dmub_rb_cmd_dp_aux_access dp_aux_access;
6258 
6259 	/**
6260 	 * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
6261 	 */
6262 	struct dmub_rb_cmd_outbox1_enable outbox1_enable;
6263 
6264 	/**
6265 	 * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
6266 	 */
6267 	struct dmub_rb_cmd_query_feature_caps query_feature_caps;
6268 
6269 	/**
6270 	 * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
6271 	 */
6272 	struct dmub_rb_cmd_get_visual_confirm_color visual_confirm_color;
6273 	struct dmub_rb_cmd_drr_update drr_update;
6274 	struct dmub_rb_cmd_fw_assisted_mclk_switch fw_assisted_mclk_switch;
6275 
6276 	/**
6277 	 * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
6278 	 */
6279 	struct dmub_rb_cmd_lvtma_control lvtma_control;
6280 	/**
6281 	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
6282 	 */
6283 	struct dmub_rb_cmd_transmitter_query_dp_alt query_dp_alt;
6284 	/**
6285 	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
6286 	 */
6287 	struct dmub_rb_cmd_transmitter_set_phy_fsm set_phy_fsm;
6288 	/**
6289 	 * Definition of a DMUB_CMD__DPIA_DIG1_CONTROL command.
6290 	 */
6291 	struct dmub_rb_cmd_dig1_dpia_control dig1_dpia_control;
6292 	/**
6293 	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
6294 	 */
6295 	struct dmub_rb_cmd_set_config_access set_config_access; // (deprecated)
6296 	/**
6297 	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
6298 	 */
6299 	struct dmub_rb_cmd_set_config_request set_config_request;
6300 	/**
6301 	 * Definition of a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
6302 	 */
6303 	struct dmub_rb_cmd_set_mst_alloc_slots set_mst_alloc_slots;
6304 	/**
6305 	 * Definition of a DMUB_CMD__DPIA_SET_TPS_NOTIFICATION command.
6306 	 */
6307 	struct dmub_rb_cmd_set_tps_notification set_tps_notification;
6308 	/**
6309 	 * Definition of a DMUB_CMD__EDID_CEA command.
6310 	 */
6311 	struct dmub_rb_cmd_edid_cea edid_cea;
6312 	/**
6313 	 * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command.
6314 	 */
6315 	struct dmub_rb_cmd_get_usbc_cable_id cable_id;
6316 
6317 	/**
6318 	 * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
6319 	 */
6320 	struct dmub_rb_cmd_query_hpd_state query_hpd;
6321 	/**
6322 	 * Definition of a DMUB_CMD__SECURE_DISPLAY command.
6323 	 */
6324 	struct dmub_rb_cmd_secure_display secure_display;
6325 
6326 	/**
6327 	 * Definition of a DMUB_CMD__DPIA_HPD_INT_ENABLE command.
6328 	 */
6329 	struct dmub_rb_cmd_dpia_hpd_int_enable dpia_hpd_int_enable;
6330 	/**
6331 	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
6332 	 */
6333 	struct dmub_rb_cmd_idle_opt_dcn_notify_idle idle_opt_notify_idle;
6334 	/**
6335 	 * Definition of a DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE command.
6336 	 */
6337 	struct dmub_rb_cmd_idle_opt_set_dc_power_state idle_opt_set_dc_power_state;
6338 	/**
6339 	 * Definition of a DMUB_CMD__REPLAY_SET_VERSION command.
6340 	 */
6341 	struct dmub_rb_cmd_replay_set_version replay_set_version;
6342 	/*
6343 	 * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
6344 	 */
6345 	struct dmub_rb_cmd_replay_copy_settings replay_copy_settings;
6346 	/**
6347 	 * Definition of a DMUB_CMD__REPLAY_ENABLE command.
6348 	 */
6349 	struct dmub_rb_cmd_replay_enable replay_enable;
6350 	/**
6351 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
6352 	 */
6353 	struct dmub_rb_cmd_replay_set_power_opt replay_set_power_opt;
6354 	/**
6355 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
6356 	 */
6357 	struct dmub_rb_cmd_replay_set_coasting_vtotal replay_set_coasting_vtotal;
6358 	/**
6359 	 * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
6360 	 */
6361 	struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal replay_set_power_opt_and_coasting_vtotal;
6362 
6363 	struct dmub_rb_cmd_replay_set_timing_sync replay_set_timing_sync;
6364 	/**
6365 	 * Definition of a DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
6366 	 */
6367 	struct dmub_rb_cmd_replay_set_frameupdate_timer replay_set_frameupdate_timer;
6368 	/**
6369 	 * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
6370 	 */
6371 	struct dmub_rb_cmd_replay_set_pseudo_vtotal replay_set_pseudo_vtotal;
6372 	/**
6373 	 * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
6374 	 */
6375 	struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp replay_disabled_adaptive_sync_sdp;
6376 	/**
6377 	 * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
6378 	 */
6379 	struct dmub_rb_cmd_replay_set_general_cmd replay_set_general_cmd;
6380 	/**
6381 	 * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
6382 	 */
6383 	struct dmub_rb_cmd_assr_enable assr_enable;
6384 
6385 	struct dmub_rb_cmd_fams2 fams2_config;
6386 
6387 	struct dmub_rb_cmd_ib ib_fams2_config;
6388 
6389 	struct dmub_rb_cmd_fams2_drr_update fams2_drr_update;
6390 
6391 	struct dmub_rb_cmd_fams2_flip fams2_flip;
6392 
6393 	struct dmub_rb_cmd_fused_io fused_io;
6394 
6395 	/**
6396 	 * Definition of a DMUB_CMD__LSDMA command.
6397 	 */
6398 	struct dmub_rb_cmd_lsdma lsdma;
6399 
6400 	struct dmub_rb_cmd_ips_residency_cntl ips_residency_cntl;
6401 
6402 	struct dmub_rb_cmd_ips_query_residency_info ips_query_residency_info;
6403 };
6404 
6405 /**
6406  * union dmub_rb_out_cmd - Outbox command
6407  */
6408 union dmub_rb_out_cmd {
6409 	/**
6410 	 * Parameters common to every command.
6411 	 */
6412 	struct dmub_rb_cmd_common cmd_common;
6413 	/**
6414 	 * AUX reply command.
6415 	 */
6416 	struct dmub_rb_cmd_dp_aux_reply dp_aux_reply;
6417 	/**
6418 	 * HPD notify command.
6419 	 */
6420 	struct dmub_rb_cmd_dp_hpd_notify dp_hpd_notify;
6421 	/**
6422 	 * SET_CONFIG reply command.
6423 	 */
6424 	struct dmub_rb_cmd_dp_set_config_reply set_config_reply;
6425 	/**
6426 	 * DPIA notification command.
6427 	 */
6428 	struct dmub_rb_cmd_dpia_notification dpia_notification;
6429 	/**
6430 	 * HPD sense notification command.
6431 	 */
6432 	struct dmub_rb_cmd_hpd_sense_notify hpd_sense_notify;
6433 	struct dmub_rb_cmd_fused_io fused_io;
6434 };
6435 #pragma pack(pop)
6436 
6437 
6438 //==============================================================================
6439 //</DMUB_CMD>===================================================================
6440 //==============================================================================
6441 //< DMUB_RB>====================================================================
6442 //==============================================================================
6443 
6444 /**
6445  * struct dmub_rb_init_params - Initialization params for DMUB ringbuffer
6446  */
6447 struct dmub_rb_init_params {
6448 	void *ctx; /**< Caller provided context pointer */
6449 	void *base_address; /**< CPU base address for ring's data */
6450 	uint32_t capacity; /**< Ringbuffer capacity in bytes */
6451 	uint32_t read_ptr; /**< Initial read pointer for consumer in bytes */
6452 	uint32_t write_ptr; /**< Initial write pointer for producer in bytes */
6453 };
6454 
6455 /**
6456  * struct dmub_rb - Inbox or outbox DMUB ringbuffer
6457  */
6458 struct dmub_rb {
6459 	void *base_address; /**< CPU address for the ring's data */
6460 	uint32_t rptr; /**< Read pointer for consumer in bytes */
6461 	uint32_t wrpt; /**< Write pointer for producer in bytes */
6462 	uint32_t capacity; /**< Ringbuffer capacity in bytes */
6463 
6464 	void *ctx; /**< Caller provided context pointer */
6465 	void *dmub; /**< Pointer to the DMUB interface */
6466 };
6467 
6468 /**
6469  * @brief Checks if the ringbuffer is empty.
6470  *
6471  * @param rb DMUB Ringbuffer
6472  * @return true if empty
6473  * @return false otherwise
6474  */
6475 static inline bool dmub_rb_empty(struct dmub_rb *rb)
6476 {
6477 	return (rb->wrpt == rb->rptr);
6478 }
6479 
6480 /**
6481  * @brief gets number of outstanding requests in the RB
6482  *
6483  * @param rb DMUB Ringbuffer
6484  * @return true if full
6485  */
6486 static inline uint32_t dmub_rb_num_outstanding(struct dmub_rb *rb)
6487 {
6488 	uint32_t data_count;
6489 
6490 	if (rb->wrpt >= rb->rptr)
6491 		data_count = rb->wrpt - rb->rptr;
6492 	else
6493 		data_count = rb->capacity - (rb->rptr - rb->wrpt);
6494 
6495 	return data_count / DMUB_RB_CMD_SIZE;
6496 }
6497 
6498 /**
6499  * @brief gets number of free buffers in the RB
6500  *
6501  * @param rb DMUB Ringbuffer
6502  * @return true if full
6503  */
6504 static inline uint32_t dmub_rb_num_free(struct dmub_rb *rb)
6505 {
6506 	uint32_t data_count;
6507 
6508 	if (rb->wrpt >= rb->rptr)
6509 		data_count = rb->wrpt - rb->rptr;
6510 	else
6511 		data_count = rb->capacity - (rb->rptr - rb->wrpt);
6512 
6513 	/* +1 because 1 entry is always unusable */
6514 	data_count += DMUB_RB_CMD_SIZE;
6515 
6516 	return (rb->capacity - data_count) / DMUB_RB_CMD_SIZE;
6517 }
6518 
6519 /**
6520  * @brief Checks if the ringbuffer is full
6521  *
6522  * @param rb DMUB Ringbuffer
6523  * @return true if full
6524  * @return false otherwise
6525  */
6526 static inline bool dmub_rb_full(struct dmub_rb *rb)
6527 {
6528 	uint32_t data_count;
6529 
6530 	if (rb->wrpt >= rb->rptr)
6531 		data_count = rb->wrpt - rb->rptr;
6532 	else
6533 		data_count = rb->capacity - (rb->rptr - rb->wrpt);
6534 
6535 	/* -1 because 1 entry is always unusable */
6536 	return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE));
6537 }
6538 
6539 /**
6540  * @brief Pushes a command into the ringbuffer
6541  *
6542  * @param rb DMUB ringbuffer
6543  * @param cmd The command to push
6544  * @return true if the ringbuffer was not full
6545  * @return false otherwise
6546  */
6547 static inline bool dmub_rb_push_front(struct dmub_rb *rb,
6548 				      const union dmub_rb_cmd *cmd)
6549 {
6550 	uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt;
6551 	const uint8_t *src = (const uint8_t *)cmd;
6552 	uint8_t i;
6553 
6554 	if (rb->capacity == 0)
6555 		return false;
6556 
6557 	if (dmub_rb_full(rb))
6558 		return false;
6559 
6560 	// copying data
6561 	for (i = 0; i < DMUB_RB_CMD_SIZE; i++)
6562 		*dst++ = *src++;
6563 
6564 	rb->wrpt += DMUB_RB_CMD_SIZE;
6565 
6566 	if (rb->wrpt >= rb->capacity)
6567 		rb->wrpt %= rb->capacity;
6568 
6569 	return true;
6570 }
6571 
6572 /**
6573  * @brief Pushes a command into the DMUB outbox ringbuffer
6574  *
6575  * @param rb DMUB outbox ringbuffer
6576  * @param cmd Outbox command
6577  * @return true if not full
6578  * @return false otherwise
6579  */
6580 static inline bool dmub_rb_out_push_front(struct dmub_rb *rb,
6581 				      const union dmub_rb_out_cmd *cmd)
6582 {
6583 	uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt;
6584 	const uint8_t *src = (const uint8_t *)cmd;
6585 
6586 	if (rb->capacity == 0)
6587 		return false;
6588 
6589 	if (dmub_rb_full(rb))
6590 		return false;
6591 
6592 	dmub_memcpy(dst, src, DMUB_RB_CMD_SIZE);
6593 
6594 	rb->wrpt += DMUB_RB_CMD_SIZE;
6595 
6596 	if (rb->wrpt >= rb->capacity)
6597 		rb->wrpt %= rb->capacity;
6598 
6599 	return true;
6600 }
6601 
6602 /**
6603  * @brief Returns the next unprocessed command in the ringbuffer.
6604  *
6605  * @param rb DMUB ringbuffer
6606  * @param cmd The command to return
6607  * @return true if not empty
6608  * @return false otherwise
6609  */
6610 static inline bool dmub_rb_front(struct dmub_rb *rb,
6611 				 union dmub_rb_cmd  **cmd)
6612 {
6613 	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rb->rptr;
6614 
6615 	if (dmub_rb_empty(rb))
6616 		return false;
6617 
6618 	*cmd = (union dmub_rb_cmd *)rb_cmd;
6619 
6620 	return true;
6621 }
6622 
6623 /**
6624  * @brief Determines the next ringbuffer offset.
6625  *
6626  * @param rb DMUB inbox ringbuffer
6627  * @param num_cmds Number of commands
6628  * @param next_rptr The next offset in the ringbuffer
6629  */
6630 static inline void dmub_rb_get_rptr_with_offset(struct dmub_rb *rb,
6631 				  uint32_t num_cmds,
6632 				  uint32_t *next_rptr)
6633 {
6634 	if (rb->capacity == 0)
6635 		return;
6636 
6637 	*next_rptr = rb->rptr + DMUB_RB_CMD_SIZE * num_cmds;
6638 
6639 	if (*next_rptr >= rb->capacity)
6640 		*next_rptr %= rb->capacity;
6641 }
6642 
6643 /**
6644  * @brief Returns a pointer to a command in the inbox.
6645  *
6646  * @param rb DMUB inbox ringbuffer
6647  * @param cmd The inbox command to return
6648  * @param rptr The ringbuffer offset
6649  * @return true if not empty
6650  * @return false otherwise
6651  */
6652 static inline bool dmub_rb_peek_offset(struct dmub_rb *rb,
6653 				 union dmub_rb_cmd  **cmd,
6654 				 uint32_t rptr)
6655 {
6656 	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rptr;
6657 
6658 	if (dmub_rb_empty(rb))
6659 		return false;
6660 
6661 	*cmd = (union dmub_rb_cmd *)rb_cmd;
6662 
6663 	return true;
6664 }
6665 
6666 /**
6667  * @brief Returns the next unprocessed command in the outbox.
6668  *
6669  * @param rb DMUB outbox ringbuffer
6670  * @param cmd The outbox command to return
6671  * @return true if not empty
6672  * @return false otherwise
6673  */
6674 static inline bool dmub_rb_out_front(struct dmub_rb *rb,
6675 				 union dmub_rb_out_cmd *cmd)
6676 {
6677 	const uint64_t volatile *src = (const uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->rptr);
6678 	uint64_t *dst = (uint64_t *)cmd;
6679 	uint8_t i;
6680 
6681 	if (dmub_rb_empty(rb))
6682 		return false;
6683 
6684 	// copying data
6685 	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
6686 		*dst++ = *src++;
6687 
6688 	return true;
6689 }
6690 
6691 /**
6692  * @brief Removes the front entry in the ringbuffer.
6693  *
6694  * @param rb DMUB ringbuffer
6695  * @return true if the command was removed
6696  * @return false if there were no commands
6697  */
6698 static inline bool dmub_rb_pop_front(struct dmub_rb *rb)
6699 {
6700 	if (rb->capacity == 0)
6701 		return false;
6702 
6703 	if (dmub_rb_empty(rb))
6704 		return false;
6705 
6706 	rb->rptr += DMUB_RB_CMD_SIZE;
6707 
6708 	if (rb->rptr >= rb->capacity)
6709 		rb->rptr %= rb->capacity;
6710 
6711 	return true;
6712 }
6713 
6714 /**
6715  * @brief Flushes commands in the ringbuffer to framebuffer memory.
6716  *
6717  * Avoids a race condition where DMCUB accesses memory while
6718  * there are still writes in flight to framebuffer.
6719  *
6720  * @param rb DMUB ringbuffer
6721  */
6722 static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
6723 {
6724 	uint32_t rptr = rb->rptr;
6725 	uint32_t wptr = rb->wrpt;
6726 
6727 	if (rb->capacity == 0)
6728 		return;
6729 
6730 	while (rptr != wptr) {
6731 		uint64_t *data = (uint64_t *)((uint8_t *)(rb->base_address) + rptr);
6732 		uint8_t i;
6733 
6734 		for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
6735 			(void)READ_ONCE(*data++);
6736 
6737 		rptr += DMUB_RB_CMD_SIZE;
6738 		if (rptr >= rb->capacity)
6739 			rptr %= rb->capacity;
6740 	}
6741 }
6742 
6743 /**
6744  * @brief Initializes a DMCUB ringbuffer
6745  *
6746  * @param rb DMUB ringbuffer
6747  * @param init_params initial configuration for the ringbuffer
6748  */
6749 static inline void dmub_rb_init(struct dmub_rb *rb,
6750 				struct dmub_rb_init_params *init_params)
6751 {
6752 	rb->base_address = init_params->base_address;
6753 	rb->capacity = init_params->capacity;
6754 	rb->rptr = init_params->read_ptr;
6755 	rb->wrpt = init_params->write_ptr;
6756 }
6757 
6758 /**
6759  * @brief Copies output data from in/out commands into the given command.
6760  *
6761  * @param rb DMUB ringbuffer
6762  * @param cmd Command to copy data into
6763  */
6764 static inline void dmub_rb_get_return_data(struct dmub_rb *rb,
6765 					   union dmub_rb_cmd *cmd)
6766 {
6767 	// Copy rb entry back into command
6768 	uint8_t *rd_ptr = (rb->rptr == 0) ?
6769 		(uint8_t *)rb->base_address + rb->capacity - DMUB_RB_CMD_SIZE :
6770 		(uint8_t *)rb->base_address + rb->rptr - DMUB_RB_CMD_SIZE;
6771 
6772 	dmub_memcpy(cmd, rd_ptr, DMUB_RB_CMD_SIZE);
6773 }
6774 
6775 //==============================================================================
6776 //</DMUB_RB>====================================================================
6777 //==============================================================================
6778 #endif /* _DMUB_CMD_H_ */
6779