xref: /linux/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h (revision a3a02a52bcfcbcc4a637d4b68bf1bc391c9fad02)
1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef DMUB_CMD_H
27 #define DMUB_CMD_H
28 
29 #include <asm/byteorder.h>
30 #include <linux/types.h>
31 #include <linux/string.h>
32 #include <linux/delay.h>
33 
34 #include "atomfirmware.h"
35 
36 //<DMUB_TYPES>==================================================================
37 /* Basic type definitions. */
38 
39 #define __forceinline inline
40 
41 /**
42  * Flag from driver to indicate that ABM should be disabled gradually
43  * by slowly reversing all backlight programming and pixel compensation.
44  */
45 #define SET_ABM_PIPE_GRADUALLY_DISABLE           0
46 
47 /**
48  * Flag from driver to indicate that ABM should be disabled immediately
49  * and undo all backlight programming and pixel compensation.
50  */
51 #define SET_ABM_PIPE_IMMEDIATELY_DISABLE         255
52 
53 /**
54  * Flag from driver to indicate that ABM should be disabled immediately
55  * and keep the current backlight programming and pixel compensation.
56  */
57 #define SET_ABM_PIPE_IMMEDIATE_KEEP_GAIN_DISABLE 254
58 
59 /**
60  * Flag from driver to set the current ABM pipe index or ABM operating level.
61  */
62 #define SET_ABM_PIPE_NORMAL                      1
63 
64 /**
65  * Number of ambient light levels in ABM algorithm.
66  */
67 #define NUM_AMBI_LEVEL                  5
68 
69 /**
70  * Number of operating/aggression levels in ABM algorithm.
71  */
72 #define NUM_AGGR_LEVEL                  4
73 
74 /**
75  * Number of segments in the gamma curve.
76  */
77 #define NUM_POWER_FN_SEGS               8
78 
79 /**
80  * Number of segments in the backlight curve.
81  */
82 #define NUM_BL_CURVE_SEGS               16
83 
84 /**
85  * Maximum number of segments in ABM ACE curve.
86  */
87 #define ABM_MAX_NUM_OF_ACE_SEGMENTS         64
88 
89 /**
90  * Maximum number of bins in ABM histogram.
91  */
92 #define ABM_MAX_NUM_OF_HG_BINS              64
93 
94 /* Maximum number of SubVP streams */
95 #define DMUB_MAX_SUBVP_STREAMS 2
96 
97 /* Define max FPO streams as 4 for now. Current implementation today
98  * only supports 1, but could be more in the future. Reduce array
99  * size to ensure the command size remains less than 64 bytes if
100  * adding new fields.
101  */
102 #define DMUB_MAX_FPO_STREAMS 4
103 
104 /* Maximum number of streams on any ASIC. */
105 #define DMUB_MAX_STREAMS 6
106 
107 /* Maximum number of planes on any ASIC. */
108 #define DMUB_MAX_PLANES 6
109 
110 /* Maximum number of phantom planes on any ASIC */
111 #define DMUB_MAX_PHANTOM_PLANES ((DMUB_MAX_PLANES) / 2)
112 
113 /* Trace buffer offset for entry */
114 #define TRACE_BUFFER_ENTRY_OFFSET  16
115 
116 /**
117  * Maximum number of dirty rects supported by FW.
118  */
119 #define DMUB_MAX_DIRTY_RECTS 3
120 
121 /**
122  *
123  * PSR control version legacy
124  */
125 #define DMUB_CMD_PSR_CONTROL_VERSION_UNKNOWN 0x0
126 /**
127  * PSR control version with multi edp support
128  */
129 #define DMUB_CMD_PSR_CONTROL_VERSION_1 0x1
130 
131 
132 /**
133  * ABM control version legacy
134  */
135 #define DMUB_CMD_ABM_CONTROL_VERSION_UNKNOWN 0x0
136 
137 /**
138  * ABM control version with multi edp support
139  */
140 #define DMUB_CMD_ABM_CONTROL_VERSION_1 0x1
141 
142 /**
143  * Physical framebuffer address location, 64-bit.
144  */
145 #ifndef PHYSICAL_ADDRESS_LOC
146 #define PHYSICAL_ADDRESS_LOC union large_integer
147 #endif
148 
149 /**
150  * OS/FW agnostic memcpy
151  */
152 #ifndef dmub_memcpy
153 #define dmub_memcpy(dest, source, bytes) memcpy((dest), (source), (bytes))
154 #endif
155 
156 /**
157  * OS/FW agnostic memset
158  */
159 #ifndef dmub_memset
160 #define dmub_memset(dest, val, bytes) memset((dest), (val), (bytes))
161 #endif
162 
163 /**
164  * OS/FW agnostic udelay
165  */
166 #ifndef dmub_udelay
167 #define dmub_udelay(microseconds) udelay(microseconds)
168 #endif
169 
170 #pragma pack(push, 1)
171 #define ABM_NUM_OF_ACE_SEGMENTS         5
172 
173 union abm_flags {
174 	struct {
175 		/**
176 		 * @abm_enabled: Indicates if ABM is enabled.
177 		 */
178 		unsigned int abm_enabled : 1;
179 
180 		/**
181 		 * @disable_abm_requested: Indicates if driver has requested ABM to be disabled.
182 		 */
183 		unsigned int disable_abm_requested : 1;
184 
185 		/**
186 		 * @disable_abm_immediately: Indicates if driver has requested ABM to be disabled immediately.
187 		 */
188 		unsigned int disable_abm_immediately : 1;
189 
190 		/**
191 		 * @disable_abm_immediate_keep_gain: Indicates if driver has requested ABM
192 		 * to be disabled immediately and keep gain.
193 		 */
194 		unsigned int disable_abm_immediate_keep_gain : 1;
195 
196 		/**
197 		 * @fractional_pwm: Indicates if fractional duty cycle for backlight PWM is enabled.
198 		 */
199 		unsigned int fractional_pwm : 1;
200 
201 		/**
202 		 * @abm_gradual_bl_change: Indicates if algorithm has completed gradual adjustment
203 		 * of user backlight level.
204 		 */
205 		unsigned int abm_gradual_bl_change : 1;
206 
207 		/**
208 		 * @abm_new_frame: Indicates if a new frame update needed for ABM to ramp up into steady
209 		 */
210 		unsigned int abm_new_frame : 1;
211 
212 		/**
213 		 * @vb_scaling_enabled: Indicates variBright Scaling Enable
214 		 */
215 		unsigned int vb_scaling_enabled : 1;
216 	} bitfields;
217 
218 	unsigned int u32All;
219 };
220 
221 struct abm_save_restore {
222 	/**
223 	 * @flags: Misc. ABM flags.
224 	 */
225 	union abm_flags flags;
226 
227 	/**
228 	 * @pause: true:  pause ABM and get state
229 	 *         false: unpause ABM after setting state
230 	 */
231 	uint32_t pause;
232 
233 	/**
234 	 * @next_ace_slope: Next ACE slopes to be programmed in HW (u3.13)
235 	 */
236 	uint32_t next_ace_slope[ABM_NUM_OF_ACE_SEGMENTS];
237 
238 	/**
239 	 * @next_ace_thresh: Next ACE thresholds to be programmed in HW (u10.6)
240 	 */
241 	uint32_t next_ace_thresh[ABM_NUM_OF_ACE_SEGMENTS];
242 
243 	/**
244 	 * @next_ace_offset: Next ACE offsets to be programmed in HW (u10.6)
245 	 */
246 	uint32_t next_ace_offset[ABM_NUM_OF_ACE_SEGMENTS];
247 
248 
249 	/**
250 	 * @knee_threshold: Current x-position of ACE knee (u0.16).
251 	 */
252 	uint32_t knee_threshold;
253 	/**
254 	 * @current_gain: Current backlight reduction (u16.16).
255 	 */
256 	uint32_t current_gain;
257 	/**
258 	 * @curr_bl_level: Current actual backlight level converging to target backlight level.
259 	 */
260 	uint16_t curr_bl_level;
261 
262 	/**
263 	 * @curr_user_bl_level: Current nominal backlight level converging to level requested by user.
264 	 */
265 	uint16_t curr_user_bl_level;
266 
267 };
268 
269 /**
270  * union dmub_addr - DMUB physical/virtual 64-bit address.
271  */
272 union dmub_addr {
273 	struct {
274 		uint32_t low_part; /**< Lower 32 bits */
275 		uint32_t high_part; /**< Upper 32 bits */
276 	} u; /*<< Low/high bit access */
277 	uint64_t quad_part; /*<< 64 bit address */
278 };
279 #pragma pack(pop)
280 
281 /**
282  * Dirty rect definition.
283  */
284 struct dmub_rect {
285 	/**
286 	 * Dirty rect x offset.
287 	 */
288 	uint32_t x;
289 
290 	/**
291 	 * Dirty rect y offset.
292 	 */
293 	uint32_t y;
294 
295 	/**
296 	 * Dirty rect width.
297 	 */
298 	uint32_t width;
299 
300 	/**
301 	 * Dirty rect height.
302 	 */
303 	uint32_t height;
304 };
305 
306 /**
307  * Flags that can be set by driver to change some PSR behaviour.
308  */
309 union dmub_psr_debug_flags {
310 	/**
311 	 * Debug flags.
312 	 */
313 	struct {
314 		/**
315 		 * Enable visual confirm in FW.
316 		 */
317 		uint32_t visual_confirm : 1;
318 
319 		/**
320 		 * Force all selective updates to bw full frame updates.
321 		 */
322 		uint32_t force_full_frame_update : 1;
323 
324 		/**
325 		 * Use HW Lock Mgr object to do HW locking in FW.
326 		 */
327 		uint32_t use_hw_lock_mgr : 1;
328 
329 		/**
330 		 * Use TPS3 signal when restore main link.
331 		 */
332 		uint32_t force_wakeup_by_tps3 : 1;
333 
334 		/**
335 		 * Back to back flip, therefore cannot power down PHY
336 		 */
337 		uint32_t back_to_back_flip : 1;
338 
339 	} bitfields;
340 
341 	/**
342 	 * Union for debug flags.
343 	 */
344 	uint32_t u32All;
345 };
346 
347 /**
348  * Flags that can be set by driver to change some Replay behaviour.
349  */
350 union replay_debug_flags {
351 	struct {
352 		/**
353 		 * 0x1 (bit 0)
354 		 * Enable visual confirm in FW.
355 		 */
356 		uint32_t visual_confirm : 1;
357 
358 		/**
359 		 * 0x2 (bit 1)
360 		 * @skip_crc: Set if need to skip CRC.
361 		 */
362 		uint32_t skip_crc : 1;
363 
364 		/**
365 		 * 0x4 (bit 2)
366 		 * @force_link_power_on: Force disable ALPM control
367 		 */
368 		uint32_t force_link_power_on : 1;
369 
370 		/**
371 		 * 0x8 (bit 3)
372 		 * @force_phy_power_on: Force phy power on
373 		 */
374 		uint32_t force_phy_power_on : 1;
375 
376 		/**
377 		 * 0x10 (bit 4)
378 		 * @timing_resync_disabled: Disabled Replay normal sleep mode timing resync
379 		 */
380 		uint32_t timing_resync_disabled : 1;
381 
382 		/**
383 		 * 0x20 (bit 5)
384 		 * @skip_crtc_disabled: CRTC disable skipped
385 		 */
386 		uint32_t skip_crtc_disabled : 1;
387 
388 		/**
389 		 * 0x40 (bit 6)
390 		 * @force_defer_one_frame_update: Force defer one frame update in ultra sleep mode
391 		 */
392 		uint32_t force_defer_one_frame_update : 1;
393 
394 		/**
395 		 * 0x80 (bit 7)
396 		 * @disable_delay_alpm_on: Force disable delay alpm on
397 		 */
398 		uint32_t disable_delay_alpm_on : 1;
399 
400 		/**
401 		 * 0x100 (bit 8)
402 		 * @disable_desync_error_check: Force disable desync error check
403 		 */
404 		uint32_t disable_desync_error_check : 1;
405 
406 		/**
407 		 * 0x200 (bit 9)
408 		 * @force_self_update_when_abm_non_steady: Force self update if abm is not steady
409 		 */
410 		uint32_t force_self_update_when_abm_non_steady : 1;
411 
412 		/**
413 		 * 0x400 (bit 10)
414 		 * @enable_ips_visual_confirm: Enable IPS visual confirm when entering IPS
415 		 * If we enter IPS2, the Visual confirm bar will change to yellow
416 		 */
417 		uint32_t enable_ips_visual_confirm : 1;
418 
419 		/**
420 		 * 0x800 (bit 11)
421 		 * @enable_ips_residency_profiling: Enable IPS residency profiling
422 		 */
423 		uint32_t enable_ips_residency_profiling : 1;
424 
425 		uint32_t reserved : 20;
426 	} bitfields;
427 
428 	uint32_t u32All;
429 };
430 
431 union replay_hw_flags {
432 	struct {
433 		/**
434 		 * @allow_alpm_fw_standby_mode: To indicate whether the
435 		 * ALPM FW standby mode is allowed
436 		 */
437 		uint32_t allow_alpm_fw_standby_mode : 1;
438 
439 		/*
440 		 * @dsc_enable_status: DSC enable status in driver
441 		 */
442 		uint32_t dsc_enable_status : 1;
443 
444 		/**
445 		 * @fec_enable_status: receive fec enable/disable status from driver
446 		 */
447 		uint32_t fec_enable_status : 1;
448 
449 		/*
450 		 * @smu_optimizations_en: SMU power optimization.
451 		 * Only when active display is Replay capable and display enters Replay.
452 		 * Trigger interrupt to SMU to powerup/down.
453 		 */
454 		uint32_t smu_optimizations_en : 1;
455 
456 		/**
457 		 * @phy_power_state: Indicates current phy power state
458 		 */
459 		uint32_t phy_power_state : 1;
460 
461 		/**
462 		 * @link_power_state: Indicates current link power state
463 		 */
464 		uint32_t link_power_state : 1;
465 		/**
466 		 * Use TPS3 signal when restore main link.
467 		 */
468 		uint32_t force_wakeup_by_tps3 : 1;
469 	} bitfields;
470 
471 	uint32_t u32All;
472 };
473 
474 /**
475  * DMUB feature capabilities.
476  * After DMUB init, driver will query FW capabilities prior to enabling certain features.
477  */
478 struct dmub_feature_caps {
479 	/**
480 	 * Max PSR version supported by FW.
481 	 */
482 	uint8_t psr;
483 	uint8_t fw_assisted_mclk_switch_ver;
484 	uint8_t reserved[4];
485 	uint8_t subvp_psr_support;
486 	uint8_t gecc_enable;
487 	uint8_t replay_supported;
488 	uint8_t replay_reserved[3];
489 };
490 
491 struct dmub_visual_confirm_color {
492 	/**
493 	 * Maximum 10 bits color value
494 	 */
495 	uint16_t color_r_cr;
496 	uint16_t color_g_y;
497 	uint16_t color_b_cb;
498 	uint16_t panel_inst;
499 };
500 
501 //==============================================================================
502 //</DMUB_TYPES>=================================================================
503 //==============================================================================
504 //< DMUB_META>==================================================================
505 //==============================================================================
506 #pragma pack(push, 1)
507 
508 /* Magic value for identifying dmub_fw_meta_info */
509 #define DMUB_FW_META_MAGIC 0x444D5542
510 
511 /* Offset from the end of the file to the dmub_fw_meta_info */
512 #define DMUB_FW_META_OFFSET 0x24
513 
514 /**
515  * union dmub_fw_meta_feature_bits - Static feature bits for pre-initialization
516  */
517 union dmub_fw_meta_feature_bits {
518 	struct {
519 		uint32_t shared_state_link_detection : 1; /**< 1 supports link detection via shared state */
520 		uint32_t reserved : 31;
521 	} bits; /**< status bits */
522 	uint32_t all; /**< 32-bit access to status bits */
523 };
524 
525 /**
526  * struct dmub_fw_meta_info - metadata associated with fw binary
527  *
528  * NOTE: This should be considered a stable API. Fields should
529  *       not be repurposed or reordered. New fields should be
530  *       added instead to extend the structure.
531  *
532  * @magic_value: magic value identifying DMUB firmware meta info
533  * @fw_region_size: size of the firmware state region
534  * @trace_buffer_size: size of the tracebuffer region
535  * @fw_version: the firmware version information
536  * @dal_fw: 1 if the firmware is DAL
537  * @shared_state_size: size of the shared state region in bytes
538  * @shared_state_features: number of shared state features
539  */
540 struct dmub_fw_meta_info {
541 	uint32_t magic_value; /**< magic value identifying DMUB firmware meta info */
542 	uint32_t fw_region_size; /**< size of the firmware state region */
543 	uint32_t trace_buffer_size; /**< size of the tracebuffer region */
544 	uint32_t fw_version; /**< the firmware version information */
545 	uint8_t dal_fw; /**< 1 if the firmware is DAL */
546 	uint8_t reserved[3]; /**< padding bits */
547 	uint32_t shared_state_size; /**< size of the shared state region in bytes */
548 	uint16_t shared_state_features; /**< number of shared state features */
549 	uint16_t reserved2; /**< padding bytes */
550 	union dmub_fw_meta_feature_bits feature_bits; /**< static feature bits */
551 };
552 
553 /**
554  * union dmub_fw_meta - ensures that dmub_fw_meta_info remains 64 bytes
555  */
556 union dmub_fw_meta {
557 	struct dmub_fw_meta_info info; /**< metadata info */
558 	uint8_t reserved[64]; /**< padding bits */
559 };
560 
561 #pragma pack(pop)
562 
563 //==============================================================================
564 //< DMUB Trace Buffer>================================================================
565 //==============================================================================
566 #if !defined(TENSILICA) && !defined(DMUB_TRACE_ENTRY_DEFINED)
567 /**
568  * dmub_trace_code_t - firmware trace code, 32-bits
569  */
570 typedef uint32_t dmub_trace_code_t;
571 
572 /**
573  * struct dmcub_trace_buf_entry - Firmware trace entry
574  */
575 struct dmcub_trace_buf_entry {
576 	dmub_trace_code_t trace_code; /**< trace code for the event */
577 	uint32_t tick_count; /**< the tick count at time of trace */
578 	uint32_t param0; /**< trace defined parameter 0 */
579 	uint32_t param1; /**< trace defined parameter 1 */
580 };
581 #endif
582 
583 //==============================================================================
584 //< DMUB_STATUS>================================================================
585 //==============================================================================
586 
587 /**
588  * DMCUB scratch registers can be used to determine firmware status.
589  * Current scratch register usage is as follows:
590  *
591  * SCRATCH0: FW Boot Status register
592  * SCRATCH5: LVTMA Status Register
593  * SCRATCH15: FW Boot Options register
594  */
595 
596 /**
597  * union dmub_fw_boot_status - Status bit definitions for SCRATCH0.
598  */
599 union dmub_fw_boot_status {
600 	struct {
601 		uint32_t dal_fw : 1; /**< 1 if DAL FW */
602 		uint32_t mailbox_rdy : 1; /**< 1 if mailbox ready */
603 		uint32_t optimized_init_done : 1; /**< 1 if optimized init done */
604 		uint32_t restore_required : 1; /**< 1 if driver should call restore */
605 		uint32_t defer_load : 1; /**< 1 if VBIOS data is deferred programmed */
606 		uint32_t fams_enabled : 1; /**< 1 if VBIOS data is deferred programmed */
607 		uint32_t detection_required: 1; /**<  if detection need to be triggered by driver */
608 		uint32_t hw_power_init_done: 1; /**< 1 if hw power init is completed */
609 		uint32_t ono_regions_enabled: 1; /**< 1 if ONO regions are enabled */
610 	} bits; /**< status bits */
611 	uint32_t all; /**< 32-bit access to status bits */
612 };
613 
614 /**
615  * enum dmub_fw_boot_status_bit - Enum bit definitions for SCRATCH0.
616  */
617 enum dmub_fw_boot_status_bit {
618 	DMUB_FW_BOOT_STATUS_BIT_DAL_FIRMWARE = (1 << 0), /**< 1 if DAL FW */
619 	DMUB_FW_BOOT_STATUS_BIT_MAILBOX_READY = (1 << 1), /**< 1 if mailbox ready */
620 	DMUB_FW_BOOT_STATUS_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if init done */
621 	DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */
622 	DMUB_FW_BOOT_STATUS_BIT_DEFERRED_LOADED = (1 << 4), /**< 1 if VBIOS data is deferred programmed */
623 	DMUB_FW_BOOT_STATUS_BIT_FAMS_ENABLED = (1 << 5), /**< 1 if FAMS is enabled*/
624 	DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED = (1 << 6), /**< 1 if detection need to be triggered by driver*/
625 	DMUB_FW_BOOT_STATUS_BIT_HW_POWER_INIT_DONE = (1 << 7), /**< 1 if hw power init is completed */
626 	DMUB_FW_BOOT_STATUS_BIT_ONO_REGIONS_ENABLED = (1 << 8), /**< 1 if ONO regions are enabled */
627 };
628 
629 /* Register bit definition for SCRATCH5 */
630 union dmub_lvtma_status {
631 	struct {
632 		uint32_t psp_ok : 1;
633 		uint32_t edp_on : 1;
634 		uint32_t reserved : 30;
635 	} bits;
636 	uint32_t all;
637 };
638 
639 enum dmub_lvtma_status_bit {
640 	DMUB_LVTMA_STATUS_BIT_PSP_OK = (1 << 0),
641 	DMUB_LVTMA_STATUS_BIT_EDP_ON = (1 << 1),
642 };
643 
644 enum dmub_ips_disable_type {
645 	DMUB_IPS_ENABLE = 0,
646 	DMUB_IPS_DISABLE_ALL = 1,
647 	DMUB_IPS_DISABLE_IPS1 = 2,
648 	DMUB_IPS_DISABLE_IPS2 = 3,
649 	DMUB_IPS_DISABLE_IPS2_Z10 = 4,
650 	DMUB_IPS_DISABLE_DYNAMIC = 5,
651 	DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF = 6,
652 };
653 
654 #define DMUB_IPS1_ALLOW_MASK 0x00000001
655 #define DMUB_IPS2_ALLOW_MASK 0x00000002
656 #define DMUB_IPS1_COMMIT_MASK 0x00000004
657 #define DMUB_IPS2_COMMIT_MASK 0x00000008
658 
659 /**
660  * union dmub_fw_boot_options - Boot option definitions for SCRATCH14
661  */
662 union dmub_fw_boot_options {
663 	struct {
664 		uint32_t pemu_env : 1; /**< 1 if PEMU */
665 		uint32_t fpga_env : 1; /**< 1 if FPGA */
666 		uint32_t optimized_init : 1; /**< 1 if optimized init */
667 		uint32_t skip_phy_access : 1; /**< 1 if PHY access should be skipped */
668 		uint32_t disable_clk_gate: 1; /**< 1 if clock gating should be disabled */
669 		uint32_t skip_phy_init_panel_sequence: 1; /**< 1 to skip panel init seq */
670 		uint32_t z10_disable: 1; /**< 1 to disable z10 */
671 		uint32_t enable_dpia: 1; /**< 1 if DPIA should be enabled */
672 		uint32_t invalid_vbios_data: 1; /**< 1 if VBIOS data table is invalid */
673 		uint32_t dpia_supported: 1; /**< 1 if DPIA is supported on this platform */
674 		uint32_t sel_mux_phy_c_d_phy_f_g: 1; /**< 1 if PHYF/PHYG should be enabled on DCN31 */
675 		/**< 1 if all root clock gating is enabled and low power memory is enabled*/
676 		uint32_t power_optimization: 1;
677 		uint32_t diag_env: 1; /* 1 if diagnostic environment */
678 		uint32_t gpint_scratch8: 1; /* 1 if GPINT is in scratch8*/
679 		uint32_t usb4_cm_version: 1; /**< 1 CM support */
680 		uint32_t dpia_hpd_int_enable_supported: 1; /* 1 if dpia hpd int enable supported */
681 		uint32_t reserved0: 1;
682 		uint32_t disable_clk_ds: 1; /* 1 if disallow dispclk_ds and dppclk_ds*/
683 		uint32_t disable_timeout_recovery : 1; /* 1 if timeout recovery should be disabled */
684 		uint32_t ips_pg_disable: 1; /* 1 to disable ONO domains power gating*/
685 		uint32_t ips_disable: 3; /* options to disable ips support*/
686 		uint32_t ips_sequential_ono: 1; /**< 1 to enable sequential ONO IPS sequence */
687 		uint32_t disable_sldo_opt: 1; /**< 1 to disable SLDO optimizations */
688 		uint32_t reserved : 7; /**< reserved */
689 	} bits; /**< boot bits */
690 	uint32_t all; /**< 32-bit access to bits */
691 };
692 
693 enum dmub_fw_boot_options_bit {
694 	DMUB_FW_BOOT_OPTION_BIT_PEMU_ENV = (1 << 0), /**< 1 if PEMU */
695 	DMUB_FW_BOOT_OPTION_BIT_FPGA_ENV = (1 << 1), /**< 1 if FPGA */
696 	DMUB_FW_BOOT_OPTION_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if optimized init done */
697 };
698 
699 //==============================================================================
700 //< DMUB_SHARED_STATE>==========================================================
701 //==============================================================================
702 
703 /**
704  * Shared firmware state between driver and firmware for lockless communication
705  * in situations where the inbox/outbox may be unavailable.
706  *
707  * Each structure *must* be at most 256-bytes in size. The layout allocation is
708  * described below:
709  *
710  * [Header (256 Bytes)][Feature 1 (256 Bytes)][Feature 2 (256 Bytes)]...
711  */
712 
713 /**
714  * enum dmub_shared_state_feature_id - List of shared state features.
715  */
716 enum dmub_shared_state_feature_id {
717 	DMUB_SHARED_SHARE_FEATURE__INVALID = 0,
718 	DMUB_SHARED_SHARE_FEATURE__IPS_FW = 1,
719 	DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER = 2,
720 	DMUB_SHARED_STATE_FEATURE__LAST, /* Total number of features. */
721 };
722 
723 /**
724  * struct dmub_shared_state_ips_fw - Firmware signals for IPS.
725  */
726 union dmub_shared_state_ips_fw_signals {
727 	struct {
728 		uint32_t ips1_commit : 1;  /**< 1 if in IPS1 */
729 		uint32_t ips2_commit : 1; /**< 1 if in IPS2 */
730 		uint32_t in_idle : 1; /**< 1 if DMCUB is in idle */
731 		uint32_t detection_required : 1; /**< 1 if detection is required */
732 		uint32_t reserved_bits : 28; /**< Reversed */
733 	} bits;
734 	uint32_t all;
735 };
736 
737 /**
738  * struct dmub_shared_state_ips_signals - Firmware signals for IPS.
739  */
740 union dmub_shared_state_ips_driver_signals {
741 	struct {
742 		uint32_t allow_pg : 1; /**< 1 if PG is allowed */
743 		uint32_t allow_ips1 : 1; /**< 1 is IPS1 is allowed */
744 		uint32_t allow_ips2 : 1; /**< 1 is IPS1 is allowed */
745 		uint32_t allow_z10 : 1; /**< 1 if Z10 is allowed */
746 		uint32_t reserved_bits : 28; /**< Reversed bits */
747 	} bits;
748 	uint32_t all;
749 };
750 
751 /**
752  * IPS FW Version
753  */
754 #define DMUB_SHARED_STATE__IPS_FW_VERSION 1
755 
756 /**
757  * struct dmub_shared_state_ips_fw - Firmware state for IPS.
758  */
759 struct dmub_shared_state_ips_fw {
760 	union dmub_shared_state_ips_fw_signals signals; /**< 4 bytes, IPS signal bits */
761 	uint32_t rcg_entry_count; /**< Entry counter for RCG */
762 	uint32_t rcg_exit_count; /**< Exit counter for RCG */
763 	uint32_t ips1_entry_count; /**< Entry counter for IPS1 */
764 	uint32_t ips1_exit_count; /**< Exit counter for IPS1 */
765 	uint32_t ips2_entry_count; /**< Entry counter for IPS2 */
766 	uint32_t ips2_exit_count; /**< Exit counter for IPS2 */
767 	uint32_t reserved[55]; /**< Reversed, to be updated when adding new fields. */
768 }; /* 248-bytes, fixed */
769 
770 /**
771  * IPS Driver Version
772  */
773 #define DMUB_SHARED_STATE__IPS_DRIVER_VERSION 1
774 
775 /**
776  * struct dmub_shared_state_ips_driver - Driver state for IPS.
777  */
778 struct dmub_shared_state_ips_driver {
779 	union dmub_shared_state_ips_driver_signals signals; /**< 4 bytes, IPS signal bits */
780 	uint32_t reserved[61]; /**< Reversed, to be updated when adding new fields. */
781 }; /* 248-bytes, fixed */
782 
783 /**
784  * enum dmub_shared_state_feature_common - Generic payload.
785  */
786 struct dmub_shared_state_feature_common {
787 	uint32_t padding[62];
788 }; /* 248-bytes, fixed */
789 
790 /**
791  * enum dmub_shared_state_feature_header - Feature description.
792  */
793 struct dmub_shared_state_feature_header {
794 	uint16_t id; /**< Feature ID */
795 	uint16_t version; /**< Feature version */
796 	uint32_t reserved; /**< Reserved bytes. */
797 }; /* 8 bytes, fixed */
798 
799 /**
800  * struct dmub_shared_state_feature_block - Feature block.
801  */
802 struct dmub_shared_state_feature_block {
803 	struct dmub_shared_state_feature_header header; /**< Shared state header. */
804 	union dmub_shared_feature_state_union {
805 		struct dmub_shared_state_feature_common common; /**< Generic data */
806 		struct dmub_shared_state_ips_fw ips_fw; /**< IPS firmware state */
807 		struct dmub_shared_state_ips_driver ips_driver; /**< IPS driver state */
808 	} data; /**< Shared state data. */
809 }; /* 256-bytes, fixed */
810 
811 /**
812  * Shared state size in bytes.
813  */
814 #define DMUB_FW_HEADER_SHARED_STATE_SIZE \
815 	((DMUB_SHARED_STATE_FEATURE__LAST + 1) * sizeof(struct dmub_shared_state_feature_block))
816 
817 //==============================================================================
818 //</DMUB_STATUS>================================================================
819 //==============================================================================
820 //< DMUB_VBIOS>=================================================================
821 //==============================================================================
822 
823 /*
824  * enum dmub_cmd_vbios_type - VBIOS commands.
825  *
826  * Command IDs should be treated as stable ABI.
827  * Do not reuse or modify IDs.
828  */
829 enum dmub_cmd_vbios_type {
830 	/**
831 	 * Configures the DIG encoder.
832 	 */
833 	DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL = 0,
834 	/**
835 	 * Controls the PHY.
836 	 */
837 	DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL = 1,
838 	/**
839 	 * Sets the pixel clock/symbol clock.
840 	 */
841 	DMUB_CMD__VBIOS_SET_PIXEL_CLOCK = 2,
842 	/**
843 	 * Enables or disables power gating.
844 	 */
845 	DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING = 3,
846 	/**
847 	 * Controls embedded panels.
848 	 */
849 	DMUB_CMD__VBIOS_LVTMA_CONTROL = 15,
850 	/**
851 	 * Query DP alt status on a transmitter.
852 	 */
853 	DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT  = 26,
854 	/**
855 	 * Control PHY FSM
856 	 */
857 	DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM  = 29,
858 	/**
859 	 * Controls domain power gating
860 	 */
861 	DMUB_CMD__VBIOS_DOMAIN_CONTROL = 28,
862 };
863 
864 //==============================================================================
865 //</DMUB_VBIOS>=================================================================
866 //==============================================================================
867 //< DMUB_GPINT>=================================================================
868 //==============================================================================
869 
870 /**
871  * The shifts and masks below may alternatively be used to format and read
872  * the command register bits.
873  */
874 
875 #define DMUB_GPINT_DATA_PARAM_MASK 0xFFFF
876 #define DMUB_GPINT_DATA_PARAM_SHIFT 0
877 
878 #define DMUB_GPINT_DATA_COMMAND_CODE_MASK 0xFFF
879 #define DMUB_GPINT_DATA_COMMAND_CODE_SHIFT 16
880 
881 #define DMUB_GPINT_DATA_STATUS_MASK 0xF
882 #define DMUB_GPINT_DATA_STATUS_SHIFT 28
883 
884 /**
885  * Command responses.
886  */
887 
888 /**
889  * Return response for DMUB_GPINT__STOP_FW command.
890  */
891 #define DMUB_GPINT__STOP_FW_RESPONSE 0xDEADDEAD
892 
893 /**
894  * union dmub_gpint_data_register - Format for sending a command via the GPINT.
895  */
896 union dmub_gpint_data_register {
897 	struct {
898 		uint32_t param : 16; /**< 16-bit parameter */
899 		uint32_t command_code : 12; /**< GPINT command */
900 		uint32_t status : 4; /**< Command status bit */
901 	} bits; /**< GPINT bit access */
902 	uint32_t all; /**< GPINT  32-bit access */
903 };
904 
905 /*
906  * enum dmub_gpint_command - GPINT command to DMCUB FW
907  *
908  * Command IDs should be treated as stable ABI.
909  * Do not reuse or modify IDs.
910  */
911 enum dmub_gpint_command {
912 	/**
913 	 * Invalid command, ignored.
914 	 */
915 	DMUB_GPINT__INVALID_COMMAND = 0,
916 	/**
917 	 * DESC: Queries the firmware version.
918 	 * RETURN: Firmware version.
919 	 */
920 	DMUB_GPINT__GET_FW_VERSION = 1,
921 	/**
922 	 * DESC: Halts the firmware.
923 	 * RETURN: DMUB_GPINT__STOP_FW_RESPONSE (0xDEADDEAD) when halted
924 	 */
925 	DMUB_GPINT__STOP_FW = 2,
926 	/**
927 	 * DESC: Get PSR state from FW.
928 	 * RETURN: PSR state enum. This enum may need to be converted to the legacy PSR state value.
929 	 */
930 	DMUB_GPINT__GET_PSR_STATE = 7,
931 	/**
932 	 * DESC: Notifies DMCUB of the currently active streams.
933 	 * ARGS: Stream mask, 1 bit per active stream index.
934 	 */
935 	DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK = 8,
936 	/**
937 	 * DESC: Start PSR residency counter. Stop PSR resdiency counter and get value.
938 	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
939 	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
940 	 * RETURN: PSR residency in milli-percent.
941 	 */
942 	DMUB_GPINT__PSR_RESIDENCY = 9,
943 
944 	/**
945 	 * DESC: Notifies DMCUB detection is done so detection required can be cleared.
946 	 */
947 	DMUB_GPINT__NOTIFY_DETECTION_DONE = 12,
948 
949 	/**
950 	 * DESC: Get REPLAY state from FW.
951 	 * RETURN: REPLAY state enum. This enum may need to be converted to the legacy REPLAY state value.
952 	 */
953 	DMUB_GPINT__GET_REPLAY_STATE = 13,
954 
955 	/**
956 	 * DESC: Start REPLAY residency counter. Stop REPLAY resdiency counter and get value.
957 	 * ARGS: We can measure residency from various points. The argument will specify the residency mode.
958 	 *       By default, it is measured from after we powerdown the PHY, to just before we powerup the PHY.
959 	 * RETURN: REPLAY residency in milli-percent.
960 	 */
961 	DMUB_GPINT__REPLAY_RESIDENCY = 14,
962 
963 	/**
964 	 * DESC: Copy bounding box to the host.
965 	 * ARGS: Version of bounding box to copy
966 	 * RETURN: Result of copying bounding box
967 	 */
968 	DMUB_GPINT__BB_COPY = 96,
969 
970 	/**
971 	 * DESC: Updates the host addresses bit48~bit63 for bounding box.
972 	 * ARGS: The word3 for the 64 bit address
973 	 */
974 	DMUB_GPINT__SET_BB_ADDR_WORD3 = 97,
975 
976 	/**
977 	 * DESC: Updates the host addresses bit32~bit47 for bounding box.
978 	 * ARGS: The word2 for the 64 bit address
979 	 */
980 	DMUB_GPINT__SET_BB_ADDR_WORD2 = 98,
981 
982 	/**
983 	 * DESC: Updates the host addresses bit16~bit31 for bounding box.
984 	 * ARGS: The word1 for the 64 bit address
985 	 */
986 	DMUB_GPINT__SET_BB_ADDR_WORD1 = 99,
987 
988 	/**
989 	 * DESC: Updates the host addresses bit0~bit15 for bounding box.
990 	 * ARGS: The word0 for the 64 bit address
991 	 */
992 	DMUB_GPINT__SET_BB_ADDR_WORD0 = 100,
993 
994 	/**
995 	 * DESC: Updates the trace buffer lower 32-bit mask.
996 	 * ARGS: The new mask
997 	 * RETURN: Lower 32-bit mask.
998 	 */
999 	DMUB_GPINT__UPDATE_TRACE_BUFFER_MASK = 101,
1000 
1001 	/**
1002 	 * DESC: Updates the trace buffer mask bit0~bit15.
1003 	 * ARGS: The new mask
1004 	 * RETURN: Lower 32-bit mask.
1005 	 */
1006 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD0 = 102,
1007 
1008 	/**
1009 	 * DESC: Updates the trace buffer mask bit16~bit31.
1010 	 * ARGS: The new mask
1011 	 * RETURN: Lower 32-bit mask.
1012 	 */
1013 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD1 = 103,
1014 
1015 	/**
1016 	 * DESC: Updates the trace buffer mask bit32~bit47.
1017 	 * ARGS: The new mask
1018 	 * RETURN: Lower 32-bit mask.
1019 	 */
1020 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD2 = 114,
1021 
1022 	/**
1023 	 * DESC: Updates the trace buffer mask bit48~bit63.
1024 	 * ARGS: The new mask
1025 	 * RETURN: Lower 32-bit mask.
1026 	 */
1027 	DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD3 = 115,
1028 
1029 	/**
1030 	 * DESC: Read the trace buffer mask bi0~bit15.
1031 	 */
1032 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD0 = 116,
1033 
1034 	/**
1035 	 * DESC: Read the trace buffer mask bit16~bit31.
1036 	 */
1037 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD1 = 117,
1038 
1039 	/**
1040 	 * DESC: Read the trace buffer mask bi32~bit47.
1041 	 */
1042 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD2 = 118,
1043 
1044 	/**
1045 	 * DESC: Updates the trace buffer mask bit32~bit63.
1046 	 */
1047 	DMUB_GPINT__GET_TRACE_BUFFER_MASK_WORD3 = 119,
1048 
1049 	/**
1050 	 * DESC: Enable measurements for various task duration
1051 	 * ARGS: 0 - Disable measurement
1052 	 *       1 - Enable measurement
1053 	 */
1054 	DMUB_GPINT__TRACE_DMUB_WAKE_ACTIVITY = 123,
1055 };
1056 
1057 /**
1058  * INBOX0 generic command definition
1059  */
1060 union dmub_inbox0_cmd_common {
1061 	struct {
1062 		uint32_t command_code: 8; /**< INBOX0 command code */
1063 		uint32_t param: 24; /**< 24-bit parameter */
1064 	} bits;
1065 	uint32_t all;
1066 };
1067 
1068 /**
1069  * INBOX0 hw_lock command definition
1070  */
1071 union dmub_inbox0_cmd_lock_hw {
1072 	struct {
1073 		uint32_t command_code: 8;
1074 
1075 		/* NOTE: Must be have enough bits to match: enum hw_lock_client */
1076 		uint32_t hw_lock_client: 2;
1077 
1078 		/* NOTE: Below fields must match with: struct dmub_hw_lock_inst_flags */
1079 		uint32_t otg_inst: 3;
1080 		uint32_t opp_inst: 3;
1081 		uint32_t dig_inst: 3;
1082 
1083 		/* NOTE: Below fields must match with: union dmub_hw_lock_flags */
1084 		uint32_t lock_pipe: 1;
1085 		uint32_t lock_cursor: 1;
1086 		uint32_t lock_dig: 1;
1087 		uint32_t triple_buffer_lock: 1;
1088 
1089 		uint32_t lock: 1;				/**< Lock */
1090 		uint32_t should_release: 1;		/**< Release */
1091 		uint32_t reserved: 7; 			/**< Reserved for extending more clients, HW, etc. */
1092 	} bits;
1093 	uint32_t all;
1094 };
1095 
1096 union dmub_inbox0_data_register {
1097 	union dmub_inbox0_cmd_common inbox0_cmd_common;
1098 	union dmub_inbox0_cmd_lock_hw inbox0_cmd_lock_hw;
1099 };
1100 
1101 enum dmub_inbox0_command {
1102 	/**
1103 	 * DESC: Invalid command, ignored.
1104 	 */
1105 	DMUB_INBOX0_CMD__INVALID_COMMAND = 0,
1106 	/**
1107 	 * DESC: Notification to acquire/release HW lock
1108 	 * ARGS:
1109 	 */
1110 	DMUB_INBOX0_CMD__HW_LOCK = 1,
1111 };
1112 //==============================================================================
1113 //</DMUB_GPINT>=================================================================
1114 //==============================================================================
1115 //< DMUB_CMD>===================================================================
1116 //==============================================================================
1117 
1118 /**
1119  * Size in bytes of each DMUB command.
1120  */
1121 #define DMUB_RB_CMD_SIZE 64
1122 
1123 /**
1124  * Maximum number of items in the DMUB ringbuffer.
1125  */
1126 #define DMUB_RB_MAX_ENTRY 128
1127 
1128 /**
1129  * Ringbuffer size in bytes.
1130  */
1131 #define DMUB_RB_SIZE (DMUB_RB_CMD_SIZE * DMUB_RB_MAX_ENTRY)
1132 
1133 /**
1134  * REG_SET mask for reg offload.
1135  */
1136 #define REG_SET_MASK 0xFFFF
1137 
1138 /*
1139  * enum dmub_cmd_type - DMUB inbox command.
1140  *
1141  * Command IDs should be treated as stable ABI.
1142  * Do not reuse or modify IDs.
1143  */
1144 enum dmub_cmd_type {
1145 	/**
1146 	 * Invalid command.
1147 	 */
1148 	DMUB_CMD__NULL = 0,
1149 	/**
1150 	 * Read modify write register sequence offload.
1151 	 */
1152 	DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE = 1,
1153 	/**
1154 	 * Field update register sequence offload.
1155 	 */
1156 	DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ = 2,
1157 	/**
1158 	 * Burst write sequence offload.
1159 	 */
1160 	DMUB_CMD__REG_SEQ_BURST_WRITE = 3,
1161 	/**
1162 	 * Reg wait sequence offload.
1163 	 */
1164 	DMUB_CMD__REG_REG_WAIT = 4,
1165 	/**
1166 	 * Workaround to avoid HUBP underflow during NV12 playback.
1167 	 */
1168 	DMUB_CMD__PLAT_54186_WA = 5,
1169 	/**
1170 	 * Command type used to query FW feature caps.
1171 	 */
1172 	DMUB_CMD__QUERY_FEATURE_CAPS = 6,
1173 	/**
1174 	 * Command type used to get visual confirm color.
1175 	 */
1176 	DMUB_CMD__GET_VISUAL_CONFIRM_COLOR = 8,
1177 	/**
1178 	 * Command type used for all PSR commands.
1179 	 */
1180 	DMUB_CMD__PSR = 64,
1181 	/**
1182 	 * Command type used for all MALL commands.
1183 	 */
1184 	DMUB_CMD__MALL = 65,
1185 	/**
1186 	 * Command type used for all ABM commands.
1187 	 */
1188 	DMUB_CMD__ABM = 66,
1189 	/**
1190 	 * Command type used to update dirty rects in FW.
1191 	 */
1192 	DMUB_CMD__UPDATE_DIRTY_RECT = 67,
1193 	/**
1194 	 * Command type used to update cursor info in FW.
1195 	 */
1196 	DMUB_CMD__UPDATE_CURSOR_INFO = 68,
1197 	/**
1198 	 * Command type used for HW locking in FW.
1199 	 */
1200 	DMUB_CMD__HW_LOCK = 69,
1201 	/**
1202 	 * Command type used to access DP AUX.
1203 	 */
1204 	DMUB_CMD__DP_AUX_ACCESS = 70,
1205 	/**
1206 	 * Command type used for OUTBOX1 notification enable
1207 	 */
1208 	DMUB_CMD__OUTBOX1_ENABLE = 71,
1209 
1210 	/**
1211 	 * Command type used for all idle optimization commands.
1212 	 */
1213 	DMUB_CMD__IDLE_OPT = 72,
1214 	/**
1215 	 * Command type used for all clock manager commands.
1216 	 */
1217 	DMUB_CMD__CLK_MGR = 73,
1218 	/**
1219 	 * Command type used for all panel control commands.
1220 	 */
1221 	DMUB_CMD__PANEL_CNTL = 74,
1222 
1223 	/**
1224 	 * Command type used for all CAB commands.
1225 	 */
1226 	DMUB_CMD__CAB_FOR_SS = 75,
1227 
1228 	DMUB_CMD__FW_ASSISTED_MCLK_SWITCH = 76,
1229 
1230 	/**
1231 	 * Command type used for interfacing with DPIA.
1232 	 */
1233 	DMUB_CMD__DPIA = 77,
1234 	/**
1235 	 * Command type used for EDID CEA parsing
1236 	 */
1237 	DMUB_CMD__EDID_CEA = 79,
1238 	/**
1239 	 * Command type used for getting usbc cable ID
1240 	 */
1241 	DMUB_CMD_GET_USBC_CABLE_ID = 81,
1242 	/**
1243 	 * Command type used to query HPD state.
1244 	 */
1245 	DMUB_CMD__QUERY_HPD_STATE = 82,
1246 	/**
1247 	 * Command type used for all VBIOS interface commands.
1248 	 */
1249 	/**
1250 	 * Command type used for all REPLAY commands.
1251 	 */
1252 	DMUB_CMD__REPLAY = 83,
1253 
1254 	/**
1255 	 * Command type used for all SECURE_DISPLAY commands.
1256 	 */
1257 	DMUB_CMD__SECURE_DISPLAY = 85,
1258 
1259 	/**
1260 	 * Command type used to set DPIA HPD interrupt state
1261 	 */
1262 	DMUB_CMD__DPIA_HPD_INT_ENABLE = 86,
1263 
1264 	/**
1265 	 * Command type used for all PSP commands.
1266 	 */
1267 	DMUB_CMD__PSP = 88,
1268 
1269 	DMUB_CMD__VBIOS = 128,
1270 };
1271 
1272 /**
1273  * enum dmub_out_cmd_type - DMUB outbox commands.
1274  */
1275 enum dmub_out_cmd_type {
1276 	/**
1277 	 * Invalid outbox command, ignored.
1278 	 */
1279 	DMUB_OUT_CMD__NULL = 0,
1280 	/**
1281 	 * Command type used for DP AUX Reply data notification
1282 	 */
1283 	DMUB_OUT_CMD__DP_AUX_REPLY = 1,
1284 	/**
1285 	 * Command type used for DP HPD event notification
1286 	 */
1287 	DMUB_OUT_CMD__DP_HPD_NOTIFY = 2,
1288 	/**
1289 	 * Command type used for SET_CONFIG Reply notification
1290 	 */
1291 	DMUB_OUT_CMD__SET_CONFIG_REPLY = 3,
1292 	/**
1293 	 * Command type used for USB4 DPIA notification
1294 	 */
1295 	DMUB_OUT_CMD__DPIA_NOTIFICATION = 5,
1296 	/**
1297 	 * Command type used for HPD redetect notification
1298 	 */
1299 	DMUB_OUT_CMD__HPD_SENSE_NOTIFY = 6,
1300 };
1301 
1302 /* DMUB_CMD__DPIA command sub-types. */
1303 enum dmub_cmd_dpia_type {
1304 	DMUB_CMD__DPIA_DIG1_DPIA_CONTROL = 0,
1305 	DMUB_CMD__DPIA_SET_CONFIG_ACCESS = 1,
1306 	DMUB_CMD__DPIA_MST_ALLOC_SLOTS = 2,
1307 };
1308 
1309 /* DMUB_OUT_CMD__DPIA_NOTIFICATION command types. */
1310 enum dmub_cmd_dpia_notification_type {
1311 	DPIA_NOTIFY__BW_ALLOCATION = 0,
1312 };
1313 
1314 #pragma pack(push, 1)
1315 
1316 /**
1317  * struct dmub_cmd_header - Common command header fields.
1318  */
1319 struct dmub_cmd_header {
1320 	unsigned int type : 8; /**< command type */
1321 	unsigned int sub_type : 8; /**< command sub type */
1322 	unsigned int ret_status : 1; /**< 1 if returned data, 0 otherwise */
1323 	unsigned int multi_cmd_pending : 1; /**< 1 if multiple commands chained together */
1324 	unsigned int reserved0 : 6; /**< reserved bits */
1325 	unsigned int payload_bytes : 6;  /* payload excluding header - up to 60 bytes */
1326 	unsigned int reserved1 : 2; /**< reserved bits */
1327 };
1328 
1329 /*
1330  * struct dmub_cmd_read_modify_write_sequence - Read modify write
1331  *
1332  * 60 payload bytes can hold up to 5 sets of read modify writes,
1333  * each take 3 dwords.
1334  *
1335  * number of sequences = header.payload_bytes / sizeof(struct dmub_cmd_read_modify_write_sequence)
1336  *
1337  * modify_mask = 0xffff'ffff means all fields are going to be updated.  in this case
1338  * command parser will skip the read and we can use modify_mask = 0xffff'ffff as reg write
1339  */
1340 struct dmub_cmd_read_modify_write_sequence {
1341 	uint32_t addr; /**< register address */
1342 	uint32_t modify_mask; /**< modify mask */
1343 	uint32_t modify_value; /**< modify value */
1344 };
1345 
1346 /**
1347  * Maximum number of ops in read modify write sequence.
1348  */
1349 #define DMUB_READ_MODIFY_WRITE_SEQ__MAX 5
1350 
1351 /**
1352  * struct dmub_cmd_read_modify_write_sequence - Read modify write command.
1353  */
1354 struct dmub_rb_cmd_read_modify_write {
1355 	struct dmub_cmd_header header;  /**< command header */
1356 	/**
1357 	 * Read modify write sequence.
1358 	 */
1359 	struct dmub_cmd_read_modify_write_sequence seq[DMUB_READ_MODIFY_WRITE_SEQ__MAX];
1360 };
1361 
1362 /*
1363  * Update a register with specified masks and values sequeunce
1364  *
1365  * 60 payload bytes can hold address + up to 7 sets of mask/value combo, each take 2 dword
1366  *
1367  * number of field update sequence = (header.payload_bytes - sizeof(addr)) / sizeof(struct read_modify_write_sequence)
1368  *
1369  *
1370  * USE CASE:
1371  *   1. auto-increment register where additional read would update pointer and produce wrong result
1372  *   2. toggle a bit without read in the middle
1373  */
1374 
1375 struct dmub_cmd_reg_field_update_sequence {
1376 	uint32_t modify_mask; /**< 0xffff'ffff to skip initial read */
1377 	uint32_t modify_value; /**< value to update with */
1378 };
1379 
1380 /**
1381  * Maximum number of ops in field update sequence.
1382  */
1383 #define DMUB_REG_FIELD_UPDATE_SEQ__MAX 7
1384 
1385 /**
1386  * struct dmub_rb_cmd_reg_field_update_sequence - Field update command.
1387  */
1388 struct dmub_rb_cmd_reg_field_update_sequence {
1389 	struct dmub_cmd_header header; /**< command header */
1390 	uint32_t addr; /**< register address */
1391 	/**
1392 	 * Field update sequence.
1393 	 */
1394 	struct dmub_cmd_reg_field_update_sequence seq[DMUB_REG_FIELD_UPDATE_SEQ__MAX];
1395 };
1396 
1397 
1398 /**
1399  * Maximum number of burst write values.
1400  */
1401 #define DMUB_BURST_WRITE_VALUES__MAX  14
1402 
1403 /*
1404  * struct dmub_rb_cmd_burst_write - Burst write
1405  *
1406  * support use case such as writing out LUTs.
1407  *
1408  * 60 payload bytes can hold up to 14 values to write to given address
1409  *
1410  * number of payload = header.payload_bytes / sizeof(struct read_modify_write_sequence)
1411  */
1412 struct dmub_rb_cmd_burst_write {
1413 	struct dmub_cmd_header header; /**< command header */
1414 	uint32_t addr; /**< register start address */
1415 	/**
1416 	 * Burst write register values.
1417 	 */
1418 	uint32_t write_values[DMUB_BURST_WRITE_VALUES__MAX];
1419 };
1420 
1421 /**
1422  * struct dmub_rb_cmd_common - Common command header
1423  */
1424 struct dmub_rb_cmd_common {
1425 	struct dmub_cmd_header header; /**< command header */
1426 	/**
1427 	 * Padding to RB_CMD_SIZE
1428 	 */
1429 	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)];
1430 };
1431 
1432 /**
1433  * struct dmub_cmd_reg_wait_data - Register wait data
1434  */
1435 struct dmub_cmd_reg_wait_data {
1436 	uint32_t addr; /**< Register address */
1437 	uint32_t mask; /**< Mask for register bits */
1438 	uint32_t condition_field_value; /**< Value to wait for */
1439 	uint32_t time_out_us; /**< Time out for reg wait in microseconds */
1440 };
1441 
1442 /**
1443  * struct dmub_rb_cmd_reg_wait - Register wait command
1444  */
1445 struct dmub_rb_cmd_reg_wait {
1446 	struct dmub_cmd_header header; /**< Command header */
1447 	struct dmub_cmd_reg_wait_data reg_wait; /**< Register wait data */
1448 };
1449 
1450 /**
1451  * struct dmub_cmd_PLAT_54186_wa - Underflow workaround
1452  *
1453  * Reprograms surface parameters to avoid underflow.
1454  */
1455 struct dmub_cmd_PLAT_54186_wa {
1456 	uint32_t DCSURF_SURFACE_CONTROL; /**< reg value */
1457 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH; /**< reg value */
1458 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS; /**< reg value */
1459 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C; /**< reg value */
1460 	uint32_t DCSURF_PRIMARY_SURFACE_ADDRESS_C; /**< reg value */
1461 	struct {
1462 		uint32_t hubp_inst : 4; /**< HUBP instance */
1463 		uint32_t tmz_surface : 1; /**< TMZ enable or disable */
1464 		uint32_t immediate :1; /**< Immediate flip */
1465 		uint32_t vmid : 4; /**< VMID */
1466 		uint32_t grph_stereo : 1; /**< 1 if stereo */
1467 		uint32_t reserved : 21; /**< Reserved */
1468 	} flip_params; /**< Pageflip parameters */
1469 	uint32_t reserved[9]; /**< Reserved bits */
1470 };
1471 
1472 /**
1473  * struct dmub_rb_cmd_PLAT_54186_wa - Underflow workaround command
1474  */
1475 struct dmub_rb_cmd_PLAT_54186_wa {
1476 	struct dmub_cmd_header header; /**< Command header */
1477 	struct dmub_cmd_PLAT_54186_wa flip; /**< Flip data */
1478 };
1479 
1480 /**
1481  * enum dmub_cmd_mall_type - MALL commands
1482  */
1483 enum dmub_cmd_mall_type {
1484 	/**
1485 	 * Allows display refresh from MALL.
1486 	 */
1487 	DMUB_CMD__MALL_ACTION_ALLOW = 0,
1488 	/**
1489 	 * Disallows display refresh from MALL.
1490 	 */
1491 	DMUB_CMD__MALL_ACTION_DISALLOW = 1,
1492 	/**
1493 	 * Cursor copy for MALL.
1494 	 */
1495 	DMUB_CMD__MALL_ACTION_COPY_CURSOR = 2,
1496 	/**
1497 	 * Controls DF requests.
1498 	 */
1499 	DMUB_CMD__MALL_ACTION_NO_DF_REQ = 3,
1500 };
1501 
1502 /**
1503  * struct dmub_rb_cmd_mall - MALL command data.
1504  */
1505 struct dmub_rb_cmd_mall {
1506 	struct dmub_cmd_header header; /**< Common command header */
1507 	union dmub_addr cursor_copy_src; /**< Cursor copy address */
1508 	union dmub_addr cursor_copy_dst; /**< Cursor copy destination */
1509 	uint32_t tmr_delay; /**< Timer delay */
1510 	uint32_t tmr_scale; /**< Timer scale */
1511 	uint16_t cursor_width; /**< Cursor width in pixels */
1512 	uint16_t cursor_pitch; /**< Cursor pitch in pixels */
1513 	uint16_t cursor_height; /**< Cursor height in pixels */
1514 	uint8_t cursor_bpp; /**< Cursor bits per pixel */
1515 	uint8_t debug_bits; /**< Debug bits */
1516 
1517 	uint8_t reserved1; /**< Reserved bits */
1518 	uint8_t reserved2; /**< Reserved bits */
1519 };
1520 
1521 /**
1522  * enum dmub_cmd_cab_type - CAB command data.
1523  */
1524 enum dmub_cmd_cab_type {
1525 	/**
1526 	 * No idle optimizations (i.e. no CAB)
1527 	 */
1528 	DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0,
1529 	/**
1530 	 * No DCN requests for memory
1531 	 */
1532 	DMUB_CMD__CAB_NO_DCN_REQ = 1,
1533 	/**
1534 	 * Fit surfaces in CAB (i.e. CAB enable)
1535 	 */
1536 	DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2,
1537 	/**
1538 	 * Do not fit surfaces in CAB (i.e. no CAB)
1539 	 */
1540 	DMUB_CMD__CAB_DCN_SS_NOT_FIT_IN_CAB = 3,
1541 };
1542 
1543 /**
1544  * struct dmub_rb_cmd_cab - CAB command data.
1545  */
1546 struct dmub_rb_cmd_cab_for_ss {
1547 	struct dmub_cmd_header header;
1548 	uint8_t cab_alloc_ways; /* total number of ways */
1549 	uint8_t debug_bits;     /* debug bits */
1550 };
1551 
1552 /**
1553  * Enum for indicating which MCLK switch mode per pipe
1554  */
1555 enum mclk_switch_mode {
1556 	NONE = 0,
1557 	FPO = 1,
1558 	SUBVP = 2,
1559 	VBLANK = 3,
1560 };
1561 
1562 /* Per pipe struct which stores the MCLK switch mode
1563  * data to be sent to DMUB.
1564  * Named "v2" for now -- once FPO and SUBVP are fully merged
1565  * the type name can be updated
1566  */
1567 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 {
1568 	union {
1569 		struct {
1570 			uint32_t pix_clk_100hz;
1571 			uint16_t main_vblank_start;
1572 			uint16_t main_vblank_end;
1573 			uint16_t mall_region_lines;
1574 			uint16_t prefetch_lines;
1575 			uint16_t prefetch_to_mall_start_lines;
1576 			uint16_t processing_delay_lines;
1577 			uint16_t htotal; // required to calculate line time for multi-display cases
1578 			uint16_t vtotal;
1579 			uint8_t main_pipe_index;
1580 			uint8_t phantom_pipe_index;
1581 			/* Since the microschedule is calculated in terms of OTG lines,
1582 			 * include any scaling factors to make sure when we get accurate
1583 			 * conversion when programming MALL_START_LINE (which is in terms
1584 			 * of HUBP lines). If 4K is being downscaled to 1080p, scale factor
1585 			 * is 1/2 (numerator = 1, denominator = 2).
1586 			 */
1587 			uint8_t scale_factor_numerator;
1588 			uint8_t scale_factor_denominator;
1589 			uint8_t is_drr;
1590 			uint8_t main_split_pipe_index;
1591 			uint8_t phantom_split_pipe_index;
1592 		} subvp_data;
1593 
1594 		struct {
1595 			uint32_t pix_clk_100hz;
1596 			uint16_t vblank_start;
1597 			uint16_t vblank_end;
1598 			uint16_t vstartup_start;
1599 			uint16_t vtotal;
1600 			uint16_t htotal;
1601 			uint8_t vblank_pipe_index;
1602 			uint8_t padding[1];
1603 			struct {
1604 				uint8_t drr_in_use;
1605 				uint8_t drr_window_size_ms;	// Indicates largest VMIN/VMAX adjustment per frame
1606 				uint16_t min_vtotal_supported;	// Min VTOTAL that supports switching in VBLANK
1607 				uint16_t max_vtotal_supported;	// Max VTOTAL that can support SubVP static scheduling
1608 				uint8_t use_ramping;		// Use ramping or not
1609 				uint8_t drr_vblank_start_margin;
1610 			} drr_info;				// DRR considered as part of SubVP + VBLANK case
1611 		} vblank_data;
1612 	} pipe_config;
1613 
1614 	/* - subvp_data in the union (pipe_config) takes up 27 bytes.
1615 	 * - Make the "mode" field a uint8_t instead of enum so we only use 1 byte (only
1616 	 *   for the DMCUB command, cast to enum once we populate the DMCUB subvp state).
1617 	 */
1618 	uint8_t mode; // enum mclk_switch_mode
1619 };
1620 
1621 /**
1622  * Config data for Sub-VP and FPO
1623  * Named "v2" for now -- once FPO and SUBVP are fully merged
1624  * the type name can be updated
1625  */
1626 struct dmub_cmd_fw_assisted_mclk_switch_config_v2 {
1627 	uint16_t watermark_a_cache;
1628 	uint8_t vertical_int_margin_us;
1629 	uint8_t pstate_allow_width_us;
1630 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 pipe_data[DMUB_MAX_SUBVP_STREAMS];
1631 };
1632 
1633 /**
1634  * DMUB rb command definition for Sub-VP and FPO
1635  * Named "v2" for now -- once FPO and SUBVP are fully merged
1636  * the type name can be updated
1637  */
1638 struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 {
1639 	struct dmub_cmd_header header;
1640 	struct dmub_cmd_fw_assisted_mclk_switch_config_v2 config_data;
1641 };
1642 
1643 struct dmub_flip_addr_info {
1644 	uint32_t surf_addr_lo;
1645 	uint32_t surf_addr_c_lo;
1646 	uint32_t meta_addr_lo;
1647 	uint32_t meta_addr_c_lo;
1648 	uint16_t surf_addr_hi;
1649 	uint16_t surf_addr_c_hi;
1650 	uint16_t meta_addr_hi;
1651 	uint16_t meta_addr_c_hi;
1652 };
1653 
1654 struct dmub_fams2_flip_info {
1655 	union {
1656 		struct {
1657 			uint8_t is_immediate: 1;
1658 		} bits;
1659 		uint8_t all;
1660 	} config;
1661 	uint8_t otg_inst;
1662 	uint8_t pipe_mask;
1663 	uint8_t pad;
1664 	struct dmub_flip_addr_info addr_info;
1665 };
1666 
1667 struct dmub_rb_cmd_fams2_flip {
1668 	struct dmub_cmd_header header;
1669 	struct dmub_fams2_flip_info flip_info;
1670 };
1671 
1672 struct dmub_optc_state_v2 {
1673 	uint32_t v_total_min;
1674 	uint32_t v_total_max;
1675 	uint32_t v_total_mid;
1676 	uint32_t v_total_mid_frame_num;
1677 	uint8_t program_manual_trigger;
1678 	uint8_t tg_inst;
1679 	uint8_t pad[2];
1680 };
1681 
1682 struct dmub_optc_position {
1683 	uint32_t vpos;
1684 	uint32_t hpos;
1685 	uint32_t frame;
1686 };
1687 
1688 struct dmub_rb_cmd_fams2_drr_update {
1689 	struct dmub_cmd_header header;
1690 	struct dmub_optc_state_v2 dmub_optc_state_req;
1691 };
1692 
1693 /* HW and FW global configuration data for FAMS2 */
1694 /* FAMS2 types and structs */
1695 enum fams2_stream_type {
1696 	FAMS2_STREAM_TYPE_NONE = 0,
1697 	FAMS2_STREAM_TYPE_VBLANK = 1,
1698 	FAMS2_STREAM_TYPE_VACTIVE = 2,
1699 	FAMS2_STREAM_TYPE_DRR = 3,
1700 	FAMS2_STREAM_TYPE_SUBVP = 4,
1701 };
1702 
1703 /* dynamic stream state */
1704 struct dmub_fams2_legacy_stream_dynamic_state {
1705 	uint8_t force_allow_at_vblank;
1706 	uint8_t pad[3];
1707 };
1708 
1709 struct dmub_fams2_subvp_stream_dynamic_state {
1710 	uint16_t viewport_start_hubp_vline;
1711 	uint16_t viewport_height_hubp_vlines;
1712 	uint16_t viewport_start_c_hubp_vline;
1713 	uint16_t viewport_height_c_hubp_vlines;
1714 	uint16_t phantom_viewport_height_hubp_vlines;
1715 	uint16_t phantom_viewport_height_c_hubp_vlines;
1716 	uint16_t microschedule_start_otg_vline;
1717 	uint16_t mall_start_otg_vline;
1718 	uint16_t mall_start_hubp_vline;
1719 	uint16_t mall_start_c_hubp_vline;
1720 	uint8_t force_allow_at_vblank_only;
1721 	uint8_t pad[3];
1722 };
1723 
1724 struct dmub_fams2_drr_stream_dynamic_state {
1725 	uint16_t stretched_vtotal;
1726 	uint8_t use_cur_vtotal;
1727 	uint8_t pad;
1728 };
1729 
1730 struct dmub_fams2_stream_dynamic_state {
1731 	uint64_t ref_tick;
1732 	uint32_t cur_vtotal;
1733 	uint16_t adjusted_allow_end_otg_vline;
1734 	uint8_t pad[2];
1735 	struct dmub_optc_position ref_otg_pos;
1736 	struct dmub_optc_position target_otg_pos;
1737 	union {
1738 		struct dmub_fams2_legacy_stream_dynamic_state legacy;
1739 		struct dmub_fams2_subvp_stream_dynamic_state subvp;
1740 		struct dmub_fams2_drr_stream_dynamic_state drr;
1741 	} sub_state;
1742 };
1743 
1744 /* static stream state */
1745 struct dmub_fams2_legacy_stream_static_state {
1746 	uint8_t vactive_det_fill_delay_otg_vlines;
1747 	uint8_t programming_delay_otg_vlines;
1748 };
1749 
1750 struct dmub_fams2_subvp_stream_static_state {
1751 	uint16_t vratio_numerator;
1752 	uint16_t vratio_denominator;
1753 	uint16_t phantom_vtotal;
1754 	uint16_t phantom_vactive;
1755 	union {
1756 		struct {
1757 			uint8_t is_multi_planar : 1;
1758 			uint8_t is_yuv420 : 1;
1759 		} bits;
1760 		uint8_t all;
1761 	} config;
1762 	uint8_t programming_delay_otg_vlines;
1763 	uint8_t prefetch_to_mall_otg_vlines;
1764 	uint8_t phantom_otg_inst;
1765 	uint8_t phantom_pipe_mask;
1766 	uint8_t phantom_plane_pipe_masks[DMUB_MAX_PHANTOM_PLANES]; // phantom pipe mask per plane (for flip passthrough)
1767 };
1768 
1769 struct dmub_fams2_drr_stream_static_state {
1770 	uint16_t nom_stretched_vtotal;
1771 	uint8_t programming_delay_otg_vlines;
1772 	uint8_t only_stretch_if_required;
1773 	uint8_t pad[2];
1774 };
1775 
1776 struct dmub_fams2_stream_static_state {
1777 	enum fams2_stream_type type;
1778 	uint32_t otg_vline_time_ns;
1779 	uint32_t otg_vline_time_ticks;
1780 	uint16_t htotal;
1781 	uint16_t vtotal; // nominal vtotal
1782 	uint16_t vblank_start;
1783 	uint16_t vblank_end;
1784 	uint16_t max_vtotal;
1785 	uint16_t allow_start_otg_vline;
1786 	uint16_t allow_end_otg_vline;
1787 	uint16_t drr_keepout_otg_vline; // after this vline, vtotal cannot be changed
1788 	uint8_t scheduling_delay_otg_vlines; // min time to budget for ready to microschedule start
1789 	uint8_t contention_delay_otg_vlines; // time to budget for contention on execution
1790 	uint8_t vline_int_ack_delay_otg_vlines; // min time to budget for vertical interrupt firing
1791 	uint8_t allow_to_target_delay_otg_vlines; // time from allow vline to target vline
1792 	union {
1793 		struct {
1794 			uint8_t is_drr: 1; // stream is DRR enabled
1795 			uint8_t clamp_vtotal_min: 1; // clamp vtotal to min instead of nominal
1796 			uint8_t min_ttu_vblank_usable: 1; // if min ttu vblank is above wm, no force pstate is needed in blank
1797 		} bits;
1798 		uint8_t all;
1799 	} config;
1800 	uint8_t otg_inst;
1801 	uint8_t pipe_mask; // pipe mask for the whole config
1802 	uint8_t num_planes;
1803 	uint8_t plane_pipe_masks[DMUB_MAX_PLANES]; // pipe mask per plane (for flip passthrough)
1804 	uint8_t pad[DMUB_MAX_PLANES % 4];
1805 	union {
1806 		struct dmub_fams2_legacy_stream_static_state legacy;
1807 		struct dmub_fams2_subvp_stream_static_state subvp;
1808 		struct dmub_fams2_drr_stream_static_state drr;
1809 	} sub_state;
1810 };
1811 
1812 /**
1813  * enum dmub_fams2_allow_delay_check_mode - macroscheduler mode for breaking on excessive
1814  * p-state request to allow latency
1815  */
1816 enum dmub_fams2_allow_delay_check_mode {
1817 	/* No check for request to allow delay */
1818 	FAMS2_ALLOW_DELAY_CHECK_NONE = 0,
1819 	/* Check for request to allow delay */
1820 	FAMS2_ALLOW_DELAY_CHECK_FROM_START = 1,
1821 	/* Check for prepare to allow delay */
1822 	FAMS2_ALLOW_DELAY_CHECK_FROM_PREPARE = 2,
1823 };
1824 
1825 union dmub_fams2_global_feature_config {
1826 	struct {
1827 		uint32_t enable: 1;
1828 		uint32_t enable_ppt_check: 1;
1829 		uint32_t enable_stall_recovery: 1;
1830 		uint32_t enable_debug: 1;
1831 		uint32_t enable_offload_flip: 1;
1832 		uint32_t enable_visual_confirm: 1;
1833 		uint32_t allow_delay_check_mode: 2;
1834 		uint32_t reserved: 24;
1835 	} bits;
1836 	uint32_t all;
1837 };
1838 
1839 struct dmub_cmd_fams2_global_config {
1840 	uint32_t max_allow_delay_us; // max delay to assert allow from uclk change begin
1841 	uint32_t lock_wait_time_us; // time to forecast acquisition of lock
1842 	uint32_t num_streams;
1843 	union dmub_fams2_global_feature_config features;
1844 	uint32_t recovery_timeout_us;
1845 	uint32_t hwfq_flip_programming_delay_us;
1846 };
1847 
1848 union dmub_cmd_fams2_config {
1849 	struct dmub_cmd_fams2_global_config global;
1850 	struct dmub_fams2_stream_static_state stream;
1851 };
1852 
1853 /**
1854  * DMUB rb command definition for FAMS2 (merged SubVP, FPO, Legacy)
1855  */
1856 struct dmub_rb_cmd_fams2 {
1857 	struct dmub_cmd_header header;
1858 	union dmub_cmd_fams2_config config;
1859 };
1860 
1861 /**
1862  * enum dmub_cmd_idle_opt_type - Idle optimization command type.
1863  */
1864 enum dmub_cmd_idle_opt_type {
1865 	/**
1866 	 * DCN hardware restore.
1867 	 */
1868 	DMUB_CMD__IDLE_OPT_DCN_RESTORE = 0,
1869 
1870 	/**
1871 	 * DCN hardware save.
1872 	 */
1873 	DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT = 1,
1874 
1875 	/**
1876 	 * DCN hardware notify idle.
1877 	 */
1878 	DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE = 2
1879 };
1880 
1881 /**
1882  * struct dmub_rb_cmd_idle_opt_dcn_restore - DCN restore command data.
1883  */
1884 struct dmub_rb_cmd_idle_opt_dcn_restore {
1885 	struct dmub_cmd_header header; /**< header */
1886 };
1887 
1888 /**
1889  * struct dmub_dcn_notify_idle_cntl_data - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
1890  */
1891 struct dmub_dcn_notify_idle_cntl_data {
1892 	uint8_t driver_idle;
1893 	uint8_t skip_otg_disable;
1894 	uint8_t reserved[58];
1895 };
1896 
1897 /**
1898  * struct dmub_rb_cmd_idle_opt_dcn_notify_idle - Data passed to FW in a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
1899  */
1900 struct dmub_rb_cmd_idle_opt_dcn_notify_idle {
1901 	struct dmub_cmd_header header; /**< header */
1902 	struct dmub_dcn_notify_idle_cntl_data cntl_data;
1903 };
1904 
1905 /**
1906  * struct dmub_clocks - Clock update notification.
1907  */
1908 struct dmub_clocks {
1909 	uint32_t dispclk_khz; /**< dispclk kHz */
1910 	uint32_t dppclk_khz; /**< dppclk kHz */
1911 	uint32_t dcfclk_khz; /**< dcfclk kHz */
1912 	uint32_t dcfclk_deep_sleep_khz; /**< dcfclk deep sleep kHz */
1913 };
1914 
1915 /**
1916  * enum dmub_cmd_clk_mgr_type - Clock manager commands.
1917  */
1918 enum dmub_cmd_clk_mgr_type {
1919 	/**
1920 	 * Notify DMCUB of clock update.
1921 	 */
1922 	DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS = 0,
1923 };
1924 
1925 /**
1926  * struct dmub_rb_cmd_clk_mgr_notify_clocks - Clock update notification.
1927  */
1928 struct dmub_rb_cmd_clk_mgr_notify_clocks {
1929 	struct dmub_cmd_header header; /**< header */
1930 	struct dmub_clocks clocks; /**< clock data */
1931 };
1932 
1933 /**
1934  * struct dmub_cmd_digx_encoder_control_data - Encoder control data.
1935  */
1936 struct dmub_cmd_digx_encoder_control_data {
1937 	union dig_encoder_control_parameters_v1_5 dig; /**< payload */
1938 };
1939 
1940 /**
1941  * struct dmub_rb_cmd_digx_encoder_control - Encoder control command.
1942  */
1943 struct dmub_rb_cmd_digx_encoder_control {
1944 	struct dmub_cmd_header header;  /**< header */
1945 	struct dmub_cmd_digx_encoder_control_data encoder_control; /**< payload */
1946 };
1947 
1948 /**
1949  * struct dmub_cmd_set_pixel_clock_data - Set pixel clock data.
1950  */
1951 struct dmub_cmd_set_pixel_clock_data {
1952 	struct set_pixel_clock_parameter_v1_7 clk; /**< payload */
1953 };
1954 
1955 /**
1956  * struct dmub_cmd_set_pixel_clock_data - Set pixel clock command.
1957  */
1958 struct dmub_rb_cmd_set_pixel_clock {
1959 	struct dmub_cmd_header header; /**< header */
1960 	struct dmub_cmd_set_pixel_clock_data pixel_clock; /**< payload */
1961 };
1962 
1963 /**
1964  * struct dmub_cmd_enable_disp_power_gating_data - Display power gating.
1965  */
1966 struct dmub_cmd_enable_disp_power_gating_data {
1967 	struct enable_disp_power_gating_parameters_v2_1 pwr; /**< payload */
1968 };
1969 
1970 /**
1971  * struct dmub_rb_cmd_enable_disp_power_gating - Display power command.
1972  */
1973 struct dmub_rb_cmd_enable_disp_power_gating {
1974 	struct dmub_cmd_header header; /**< header */
1975 	struct dmub_cmd_enable_disp_power_gating_data power_gating;  /**< payload */
1976 };
1977 
1978 /**
1979  * struct dmub_dig_transmitter_control_data_v1_7 - Transmitter control.
1980  */
1981 struct dmub_dig_transmitter_control_data_v1_7 {
1982 	uint8_t phyid; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
1983 	uint8_t action; /**< Defined as ATOM_TRANSMITER_ACTION_xxx */
1984 	union {
1985 		uint8_t digmode; /**< enum atom_encode_mode_def */
1986 		uint8_t dplaneset; /**< DP voltage swing and pre-emphasis value, "DP_LANE_SET__xDB_y_zV" */
1987 	} mode_laneset;
1988 	uint8_t lanenum; /**< Number of lanes */
1989 	union {
1990 		uint32_t symclk_10khz; /**< Symbol Clock in 10Khz */
1991 	} symclk_units;
1992 	uint8_t hpdsel; /**< =1: HPD1, =2: HPD2, ..., =6: HPD6, =0: HPD is not assigned */
1993 	uint8_t digfe_sel; /**< DIG front-end selection, bit0 means DIG0 FE is enabled */
1994 	uint8_t connobj_id; /**< Connector Object Id defined in ObjectId.h */
1995 	uint8_t HPO_instance; /**< HPO instance (0: inst0, 1: inst1) */
1996 	uint8_t reserved1; /**< For future use */
1997 	uint8_t reserved2[3]; /**< For future use */
1998 	uint32_t reserved3[11]; /**< For future use */
1999 };
2000 
2001 /**
2002  * union dmub_cmd_dig1_transmitter_control_data - Transmitter control data.
2003  */
2004 union dmub_cmd_dig1_transmitter_control_data {
2005 	struct dig_transmitter_control_parameters_v1_6 dig; /**< payload */
2006 	struct dmub_dig_transmitter_control_data_v1_7 dig_v1_7;  /**< payload 1.7 */
2007 };
2008 
2009 /**
2010  * struct dmub_rb_cmd_dig1_transmitter_control - Transmitter control command.
2011  */
2012 struct dmub_rb_cmd_dig1_transmitter_control {
2013 	struct dmub_cmd_header header; /**< header */
2014 	union dmub_cmd_dig1_transmitter_control_data transmitter_control; /**< payload */
2015 };
2016 
2017 /**
2018  * struct dmub_rb_cmd_domain_control_data - Data for DOMAIN power control
2019  */
2020 struct dmub_rb_cmd_domain_control_data {
2021 	uint8_t inst : 6; /**< DOMAIN instance to control */
2022 	uint8_t power_gate : 1; /**< 1=power gate, 0=power up */
2023 	uint8_t reserved[3]; /**< Reserved for future use */
2024 };
2025 
2026 /**
2027  * struct dmub_rb_cmd_domain_control - Controls DOMAIN power gating
2028  */
2029 struct dmub_rb_cmd_domain_control {
2030 	struct dmub_cmd_header header; /**< header */
2031 	struct dmub_rb_cmd_domain_control_data data; /**< payload */
2032 };
2033 
2034 /**
2035  * DPIA tunnel command parameters.
2036  */
2037 struct dmub_cmd_dig_dpia_control_data {
2038 	uint8_t enc_id;         /** 0 = ENGINE_ID_DIGA, ... */
2039 	uint8_t action;         /** ATOM_TRANSMITER_ACTION_DISABLE/ENABLE/SETUP_VSEMPH */
2040 	union {
2041 		uint8_t digmode;    /** enum atom_encode_mode_def */
2042 		uint8_t dplaneset;  /** DP voltage swing and pre-emphasis value */
2043 	} mode_laneset;
2044 	uint8_t lanenum;        /** Lane number 1, 2, 4, 8 */
2045 	uint32_t symclk_10khz;  /** Symbol Clock in 10Khz */
2046 	uint8_t hpdsel;         /** =0: HPD is not assigned */
2047 	uint8_t digfe_sel;      /** DIG stream( front-end ) selection, bit0 - DIG0 FE */
2048 	uint8_t dpia_id;        /** Index of DPIA */
2049 	uint8_t fec_rdy : 1;
2050 	uint8_t reserved : 7;
2051 	uint32_t reserved1;
2052 };
2053 
2054 /**
2055  * DMUB command for DPIA tunnel control.
2056  */
2057 struct dmub_rb_cmd_dig1_dpia_control {
2058 	struct dmub_cmd_header header;
2059 	struct dmub_cmd_dig_dpia_control_data dpia_control;
2060 };
2061 
2062 /**
2063  * SET_CONFIG Command Payload
2064  */
2065 struct set_config_cmd_payload {
2066 	uint8_t msg_type; /* set config message type */
2067 	uint8_t msg_data; /* set config message data */
2068 };
2069 
2070 /**
2071  * Data passed from driver to FW in a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
2072  */
2073 struct dmub_cmd_set_config_control_data {
2074 	struct set_config_cmd_payload cmd_pkt;
2075 	uint8_t instance; /* DPIA instance */
2076 	uint8_t immed_status; /* Immediate status returned in case of error */
2077 };
2078 
2079 /**
2080  * DMUB command structure for SET_CONFIG command.
2081  */
2082 struct dmub_rb_cmd_set_config_access {
2083 	struct dmub_cmd_header header; /* header */
2084 	struct dmub_cmd_set_config_control_data set_config_control; /* set config data */
2085 };
2086 
2087 /**
2088  * Data passed from driver to FW in a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
2089  */
2090 struct dmub_cmd_mst_alloc_slots_control_data {
2091 	uint8_t mst_alloc_slots; /* mst slots to be allotted */
2092 	uint8_t instance; /* DPIA instance */
2093 	uint8_t immed_status; /* Immediate status returned as there is no outbox msg posted */
2094 	uint8_t mst_slots_in_use; /* returns slots in use for error cases */
2095 };
2096 
2097 /**
2098  * DMUB command structure for SET_ command.
2099  */
2100 struct dmub_rb_cmd_set_mst_alloc_slots {
2101 	struct dmub_cmd_header header; /* header */
2102 	struct dmub_cmd_mst_alloc_slots_control_data mst_slots_control; /* mst slots control */
2103 };
2104 
2105 /**
2106  * DMUB command structure for DPIA HPD int enable control.
2107  */
2108 struct dmub_rb_cmd_dpia_hpd_int_enable {
2109 	struct dmub_cmd_header header; /* header */
2110 	uint32_t enable; /* dpia hpd interrupt enable */
2111 };
2112 
2113 /**
2114  * struct dmub_rb_cmd_dpphy_init - DPPHY init.
2115  */
2116 struct dmub_rb_cmd_dpphy_init {
2117 	struct dmub_cmd_header header; /**< header */
2118 	uint8_t reserved[60]; /**< reserved bits */
2119 };
2120 
2121 /**
2122  * enum dp_aux_request_action - DP AUX request command listing.
2123  *
2124  * 4 AUX request command bits are shifted to high nibble.
2125  */
2126 enum dp_aux_request_action {
2127 	/** I2C-over-AUX write request */
2128 	DP_AUX_REQ_ACTION_I2C_WRITE		= 0x00,
2129 	/** I2C-over-AUX read request */
2130 	DP_AUX_REQ_ACTION_I2C_READ		= 0x10,
2131 	/** I2C-over-AUX write status request */
2132 	DP_AUX_REQ_ACTION_I2C_STATUS_REQ	= 0x20,
2133 	/** I2C-over-AUX write request with MOT=1 */
2134 	DP_AUX_REQ_ACTION_I2C_WRITE_MOT		= 0x40,
2135 	/** I2C-over-AUX read request with MOT=1 */
2136 	DP_AUX_REQ_ACTION_I2C_READ_MOT		= 0x50,
2137 	/** I2C-over-AUX write status request with MOT=1 */
2138 	DP_AUX_REQ_ACTION_I2C_STATUS_REQ_MOT	= 0x60,
2139 	/** Native AUX write request */
2140 	DP_AUX_REQ_ACTION_DPCD_WRITE		= 0x80,
2141 	/** Native AUX read request */
2142 	DP_AUX_REQ_ACTION_DPCD_READ		= 0x90
2143 };
2144 
2145 /**
2146  * enum aux_return_code_type - DP AUX process return code listing.
2147  */
2148 enum aux_return_code_type {
2149 	/** AUX process succeeded */
2150 	AUX_RET_SUCCESS = 0,
2151 	/** AUX process failed with unknown reason */
2152 	AUX_RET_ERROR_UNKNOWN,
2153 	/** AUX process completed with invalid reply */
2154 	AUX_RET_ERROR_INVALID_REPLY,
2155 	/** AUX process timed out */
2156 	AUX_RET_ERROR_TIMEOUT,
2157 	/** HPD was low during AUX process */
2158 	AUX_RET_ERROR_HPD_DISCON,
2159 	/** Failed to acquire AUX engine */
2160 	AUX_RET_ERROR_ENGINE_ACQUIRE,
2161 	/** AUX request not supported */
2162 	AUX_RET_ERROR_INVALID_OPERATION,
2163 	/** AUX process not available */
2164 	AUX_RET_ERROR_PROTOCOL_ERROR,
2165 };
2166 
2167 /**
2168  * enum aux_channel_type - DP AUX channel type listing.
2169  */
2170 enum aux_channel_type {
2171 	/** AUX thru Legacy DP AUX */
2172 	AUX_CHANNEL_LEGACY_DDC,
2173 	/** AUX thru DPIA DP tunneling */
2174 	AUX_CHANNEL_DPIA
2175 };
2176 
2177 /**
2178  * struct aux_transaction_parameters - DP AUX request transaction data
2179  */
2180 struct aux_transaction_parameters {
2181 	uint8_t is_i2c_over_aux; /**< 0=native AUX, 1=I2C-over-AUX */
2182 	uint8_t action; /**< enum dp_aux_request_action */
2183 	uint8_t length; /**< DP AUX request data length */
2184 	uint8_t reserved; /**< For future use */
2185 	uint32_t address; /**< DP AUX address */
2186 	uint8_t data[16]; /**< DP AUX write data */
2187 };
2188 
2189 /**
2190  * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
2191  */
2192 struct dmub_cmd_dp_aux_control_data {
2193 	uint8_t instance; /**< AUX instance or DPIA instance */
2194 	uint8_t manual_acq_rel_enable; /**< manual control for acquiring or releasing AUX channel */
2195 	uint8_t sw_crc_enabled; /**< Use software CRC for tunneling packet instead of hardware CRC */
2196 	uint8_t reserved0; /**< For future use */
2197 	uint16_t timeout; /**< timeout time in us */
2198 	uint16_t reserved1; /**< For future use */
2199 	enum aux_channel_type type; /**< enum aux_channel_type */
2200 	struct aux_transaction_parameters dpaux; /**< struct aux_transaction_parameters */
2201 };
2202 
2203 /**
2204  * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
2205  */
2206 struct dmub_rb_cmd_dp_aux_access {
2207 	/**
2208 	 * Command header.
2209 	 */
2210 	struct dmub_cmd_header header;
2211 	/**
2212 	 * Data passed from driver to FW in a DMUB_CMD__DP_AUX_ACCESS command.
2213 	 */
2214 	struct dmub_cmd_dp_aux_control_data aux_control;
2215 };
2216 
2217 /**
2218  * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
2219  */
2220 struct dmub_rb_cmd_outbox1_enable {
2221 	/**
2222 	 * Command header.
2223 	 */
2224 	struct dmub_cmd_header header;
2225 	/**
2226 	 *  enable: 0x0 -> disable outbox1 notification (default value)
2227 	 *			0x1 -> enable outbox1 notification
2228 	 */
2229 	uint32_t enable;
2230 };
2231 
2232 /* DP AUX Reply command - OutBox Cmd */
2233 /**
2234  * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2235  */
2236 struct aux_reply_data {
2237 	/**
2238 	 * Aux cmd
2239 	 */
2240 	uint8_t command;
2241 	/**
2242 	 * Aux reply data length (max: 16 bytes)
2243 	 */
2244 	uint8_t length;
2245 	/**
2246 	 * Alignment only
2247 	 */
2248 	uint8_t pad[2];
2249 	/**
2250 	 * Aux reply data
2251 	 */
2252 	uint8_t data[16];
2253 };
2254 
2255 /**
2256  * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2257  */
2258 struct aux_reply_control_data {
2259 	/**
2260 	 * Reserved for future use
2261 	 */
2262 	uint32_t handle;
2263 	/**
2264 	 * Aux Instance
2265 	 */
2266 	uint8_t instance;
2267 	/**
2268 	 * Aux transaction result: definition in enum aux_return_code_type
2269 	 */
2270 	uint8_t result;
2271 	/**
2272 	 * Alignment only
2273 	 */
2274 	uint16_t pad;
2275 };
2276 
2277 /**
2278  * Definition of a DMUB_OUT_CMD__DP_AUX_REPLY command.
2279  */
2280 struct dmub_rb_cmd_dp_aux_reply {
2281 	/**
2282 	 * Command header.
2283 	 */
2284 	struct dmub_cmd_header header;
2285 	/**
2286 	 * Control Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2287 	 */
2288 	struct aux_reply_control_data control;
2289 	/**
2290 	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_AUX_REPLY command.
2291 	 */
2292 	struct aux_reply_data reply_data;
2293 };
2294 
2295 /* DP HPD Notify command - OutBox Cmd */
2296 /**
2297  * DP HPD Type
2298  */
2299 enum dp_hpd_type {
2300 	/**
2301 	 * Normal DP HPD
2302 	 */
2303 	DP_HPD = 0,
2304 	/**
2305 	 * DP HPD short pulse
2306 	 */
2307 	DP_IRQ
2308 };
2309 
2310 /**
2311  * DP HPD Status
2312  */
2313 enum dp_hpd_status {
2314 	/**
2315 	 * DP_HPD status low
2316 	 */
2317 	DP_HPD_UNPLUG = 0,
2318 	/**
2319 	 * DP_HPD status high
2320 	 */
2321 	DP_HPD_PLUG
2322 };
2323 
2324 /**
2325  * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2326  */
2327 struct dp_hpd_data {
2328 	/**
2329 	 * DP HPD instance
2330 	 */
2331 	uint8_t instance;
2332 	/**
2333 	 * HPD type
2334 	 */
2335 	uint8_t hpd_type;
2336 	/**
2337 	 * HPD status: only for type: DP_HPD to indicate status
2338 	 */
2339 	uint8_t hpd_status;
2340 	/**
2341 	 * Alignment only
2342 	 */
2343 	uint8_t pad;
2344 };
2345 
2346 /**
2347  * Definition of a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2348  */
2349 struct dmub_rb_cmd_dp_hpd_notify {
2350 	/**
2351 	 * Command header.
2352 	 */
2353 	struct dmub_cmd_header header;
2354 	/**
2355 	 * Data passed to driver from FW in a DMUB_OUT_CMD__DP_HPD_NOTIFY command.
2356 	 */
2357 	struct dp_hpd_data hpd_data;
2358 };
2359 
2360 /**
2361  * Definition of a SET_CONFIG reply from DPOA.
2362  */
2363 enum set_config_status {
2364 	SET_CONFIG_PENDING = 0,
2365 	SET_CONFIG_ACK_RECEIVED,
2366 	SET_CONFIG_RX_TIMEOUT,
2367 	SET_CONFIG_UNKNOWN_ERROR,
2368 };
2369 
2370 /**
2371  * Definition of a set_config reply
2372  */
2373 struct set_config_reply_control_data {
2374 	uint8_t instance; /* DPIA Instance */
2375 	uint8_t status; /* Set Config reply */
2376 	uint16_t pad; /* Alignment */
2377 };
2378 
2379 /**
2380  * Definition of a DMUB_OUT_CMD__SET_CONFIG_REPLY command.
2381  */
2382 struct dmub_rb_cmd_dp_set_config_reply {
2383 	struct dmub_cmd_header header;
2384 	struct set_config_reply_control_data set_config_reply_control;
2385 };
2386 
2387 /**
2388  * Definition of a DPIA notification header
2389  */
2390 struct dpia_notification_header {
2391 	uint8_t instance; /**< DPIA Instance */
2392 	uint8_t reserved[3];
2393 	enum dmub_cmd_dpia_notification_type type; /**< DPIA notification type */
2394 };
2395 
2396 /**
2397  * Definition of the common data struct of DPIA notification
2398  */
2399 struct dpia_notification_common {
2400 	uint8_t cmd_buffer[DMUB_RB_CMD_SIZE - sizeof(struct dmub_cmd_header)
2401 								- sizeof(struct dpia_notification_header)];
2402 };
2403 
2404 /**
2405  * Definition of a DPIA notification data
2406  */
2407 struct dpia_bw_allocation_notify_data {
2408 	union {
2409 		struct {
2410 			uint16_t cm_bw_alloc_support: 1; /**< USB4 CM BW Allocation mode support */
2411 			uint16_t bw_request_failed: 1; /**< BW_Request_Failed */
2412 			uint16_t bw_request_succeeded: 1; /**< BW_Request_Succeeded */
2413 			uint16_t est_bw_changed: 1; /**< Estimated_BW changed */
2414 			uint16_t bw_alloc_cap_changed: 1; /**< BW_Allocation_Capabiity_Changed */
2415 			uint16_t reserved: 11; /**< Reserved */
2416 		} bits;
2417 
2418 		uint16_t flags;
2419 	};
2420 
2421 	uint8_t cm_id; /**< CM ID */
2422 	uint8_t group_id; /**< Group ID */
2423 	uint8_t granularity; /**< BW Allocation Granularity */
2424 	uint8_t estimated_bw; /**< Estimated_BW */
2425 	uint8_t allocated_bw; /**< Allocated_BW */
2426 	uint8_t reserved;
2427 };
2428 
2429 /**
2430  * union dpia_notify_data_type - DPIA Notification in Outbox command
2431  */
2432 union dpia_notification_data {
2433 	/**
2434 	 * DPIA Notification for common data struct
2435 	 */
2436 	struct dpia_notification_common common_data;
2437 
2438 	/**
2439 	 * DPIA Notification for DP BW Allocation support
2440 	 */
2441 	struct dpia_bw_allocation_notify_data dpia_bw_alloc;
2442 };
2443 
2444 /**
2445  * Definition of a DPIA notification payload
2446  */
2447 struct dpia_notification_payload {
2448 	struct dpia_notification_header header;
2449 	union dpia_notification_data data; /**< DPIA notification payload data */
2450 };
2451 
2452 /**
2453  * Definition of a DMUB_OUT_CMD__DPIA_NOTIFICATION command.
2454  */
2455 struct dmub_rb_cmd_dpia_notification {
2456 	struct dmub_cmd_header header; /**< DPIA notification header */
2457 	struct dpia_notification_payload payload; /**< DPIA notification payload */
2458 };
2459 
2460 /**
2461  * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
2462  */
2463 struct dmub_cmd_hpd_state_query_data {
2464 	uint8_t instance; /**< HPD instance or DPIA instance */
2465 	uint8_t result; /**< For returning HPD state */
2466 	uint16_t pad; /** < Alignment */
2467 	enum aux_channel_type ch_type; /**< enum aux_channel_type */
2468 	enum aux_return_code_type status; /**< for returning the status of command */
2469 };
2470 
2471 /**
2472  * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
2473  */
2474 struct dmub_rb_cmd_query_hpd_state {
2475 	/**
2476 	 * Command header.
2477 	 */
2478 	struct dmub_cmd_header header;
2479 	/**
2480 	 * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
2481 	 */
2482 	struct dmub_cmd_hpd_state_query_data data;
2483 };
2484 
2485 /**
2486  * struct dmub_rb_cmd_hpd_sense_notify - HPD sense notification data.
2487  */
2488 struct dmub_rb_cmd_hpd_sense_notify_data {
2489 	uint32_t old_hpd_sense_mask; /**< Old HPD sense mask */
2490 	uint32_t new_hpd_sense_mask; /**< New HPD sense mask */
2491 };
2492 
2493 /**
2494  * struct dmub_rb_cmd_hpd_sense_notify - DMUB_OUT_CMD__HPD_SENSE_NOTIFY command.
2495  */
2496 struct dmub_rb_cmd_hpd_sense_notify {
2497 	struct dmub_cmd_header header; /**< header */
2498 	struct dmub_rb_cmd_hpd_sense_notify_data data; /**< payload */
2499 };
2500 
2501 /*
2502  * Command IDs should be treated as stable ABI.
2503  * Do not reuse or modify IDs.
2504  */
2505 
2506 /**
2507  * PSR command sub-types.
2508  */
2509 enum dmub_cmd_psr_type {
2510 	/**
2511 	 * Set PSR version support.
2512 	 */
2513 	DMUB_CMD__PSR_SET_VERSION		= 0,
2514 	/**
2515 	 * Copy driver-calculated parameters to PSR state.
2516 	 */
2517 	DMUB_CMD__PSR_COPY_SETTINGS		= 1,
2518 	/**
2519 	 * Enable PSR.
2520 	 */
2521 	DMUB_CMD__PSR_ENABLE			= 2,
2522 
2523 	/**
2524 	 * Disable PSR.
2525 	 */
2526 	DMUB_CMD__PSR_DISABLE			= 3,
2527 
2528 	/**
2529 	 * Set PSR level.
2530 	 * PSR level is a 16-bit value dicated by driver that
2531 	 * will enable/disable different functionality.
2532 	 */
2533 	DMUB_CMD__PSR_SET_LEVEL			= 4,
2534 
2535 	/**
2536 	 * Forces PSR enabled until an explicit PSR disable call.
2537 	 */
2538 	DMUB_CMD__PSR_FORCE_STATIC		= 5,
2539 	/**
2540 	 * Set vtotal in psr active for FreeSync PSR.
2541 	 */
2542 	DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE = 6,
2543 	/**
2544 	 * Set PSR power option
2545 	 */
2546 	DMUB_CMD__SET_PSR_POWER_OPT = 7,
2547 };
2548 
2549 /**
2550  * Different PSR residency modes.
2551  * Different modes change the definition of PSR residency.
2552  */
2553 enum psr_residency_mode {
2554 	PSR_RESIDENCY_MODE_PHY = 0,
2555 	PSR_RESIDENCY_MODE_ALPM,
2556 	PSR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
2557 	/* Do not add below. */
2558 	PSR_RESIDENCY_MODE_LAST_ELEMENT,
2559 };
2560 
2561 enum dmub_cmd_fams_type {
2562 	DMUB_CMD__FAMS_SETUP_FW_CTRL	= 0,
2563 	DMUB_CMD__FAMS_DRR_UPDATE		= 1,
2564 	DMUB_CMD__HANDLE_SUBVP_CMD	= 2, // specifically for SubVP cmd
2565 	/**
2566 	 * For SubVP set manual trigger in FW because it
2567 	 * triggers DRR_UPDATE_PENDING which SubVP relies
2568 	 * on (for any SubVP cases that use a DRR display)
2569 	 */
2570 	DMUB_CMD__FAMS_SET_MANUAL_TRIGGER = 3,
2571 	DMUB_CMD__FAMS2_CONFIG = 4,
2572 	DMUB_CMD__FAMS2_DRR_UPDATE = 5,
2573 	DMUB_CMD__FAMS2_FLIP = 6,
2574 };
2575 
2576 /**
2577  * PSR versions.
2578  */
2579 enum psr_version {
2580 	/**
2581 	 * PSR version 1.
2582 	 */
2583 	PSR_VERSION_1				= 0,
2584 	/**
2585 	 * Freesync PSR SU.
2586 	 */
2587 	PSR_VERSION_SU_1			= 1,
2588 	/**
2589 	 * PSR not supported.
2590 	 */
2591 	PSR_VERSION_UNSUPPORTED			= 0xFF,	// psr_version field is only 8 bits wide
2592 };
2593 
2594 /**
2595  * PHY Link rate for DP.
2596  */
2597 enum phy_link_rate {
2598 	/**
2599 	 * not supported.
2600 	 */
2601 	PHY_RATE_UNKNOWN = 0,
2602 	/**
2603 	 * Rate_1 (RBR)	- 1.62 Gbps/Lane
2604 	 */
2605 	PHY_RATE_162 = 1,
2606 	/**
2607 	 * Rate_2		- 2.16 Gbps/Lane
2608 	 */
2609 	PHY_RATE_216 = 2,
2610 	/**
2611 	 * Rate_3		- 2.43 Gbps/Lane
2612 	 */
2613 	PHY_RATE_243 = 3,
2614 	/**
2615 	 * Rate_4 (HBR)	- 2.70 Gbps/Lane
2616 	 */
2617 	PHY_RATE_270 = 4,
2618 	/**
2619 	 * Rate_5 (RBR2)- 3.24 Gbps/Lane
2620 	 */
2621 	PHY_RATE_324 = 5,
2622 	/**
2623 	 * Rate_6		- 4.32 Gbps/Lane
2624 	 */
2625 	PHY_RATE_432 = 6,
2626 	/**
2627 	 * Rate_7 (HBR2)- 5.40 Gbps/Lane
2628 	 */
2629 	PHY_RATE_540 = 7,
2630 	/**
2631 	 * Rate_8 (HBR3)- 8.10 Gbps/Lane
2632 	 */
2633 	PHY_RATE_810 = 8,
2634 	/**
2635 	 * UHBR10 - 10.0 Gbps/Lane
2636 	 */
2637 	PHY_RATE_1000 = 9,
2638 	/**
2639 	 * UHBR13.5 - 13.5 Gbps/Lane
2640 	 */
2641 	PHY_RATE_1350 = 10,
2642 	/**
2643 	 * UHBR10 - 20.0 Gbps/Lane
2644 	 */
2645 	PHY_RATE_2000 = 11,
2646 
2647 	PHY_RATE_675 = 12,
2648 	/**
2649 	 * Rate 12 - 6.75 Gbps/Lane
2650 	 */
2651 };
2652 
2653 /**
2654  * enum dmub_phy_fsm_state - PHY FSM states.
2655  * PHY FSM state to transit to during PSR enable/disable.
2656  */
2657 enum dmub_phy_fsm_state {
2658 	DMUB_PHY_FSM_POWER_UP_DEFAULT = 0,
2659 	DMUB_PHY_FSM_RESET,
2660 	DMUB_PHY_FSM_RESET_RELEASED,
2661 	DMUB_PHY_FSM_SRAM_LOAD_DONE,
2662 	DMUB_PHY_FSM_INITIALIZED,
2663 	DMUB_PHY_FSM_CALIBRATED,
2664 	DMUB_PHY_FSM_CALIBRATED_LP,
2665 	DMUB_PHY_FSM_CALIBRATED_PG,
2666 	DMUB_PHY_FSM_POWER_DOWN,
2667 	DMUB_PHY_FSM_PLL_EN,
2668 	DMUB_PHY_FSM_TX_EN,
2669 	DMUB_PHY_FSM_TX_EN_TEST_MODE,
2670 	DMUB_PHY_FSM_FAST_LP,
2671 	DMUB_PHY_FSM_P2_PLL_OFF_CPM,
2672 	DMUB_PHY_FSM_P2_PLL_OFF_PG,
2673 	DMUB_PHY_FSM_P2_PLL_OFF,
2674 	DMUB_PHY_FSM_P2_PLL_ON,
2675 };
2676 
2677 /**
2678  * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
2679  */
2680 struct dmub_cmd_psr_copy_settings_data {
2681 	/**
2682 	 * Flags that can be set by driver to change some PSR behaviour.
2683 	 */
2684 	union dmub_psr_debug_flags debug;
2685 	/**
2686 	 * 16-bit value dicated by driver that will enable/disable different functionality.
2687 	 */
2688 	uint16_t psr_level;
2689 	/**
2690 	 * DPP HW instance.
2691 	 */
2692 	uint8_t dpp_inst;
2693 	/**
2694 	 * MPCC HW instance.
2695 	 * Not used in dmub fw,
2696 	 * dmub fw will get active opp by reading odm registers.
2697 	 */
2698 	uint8_t mpcc_inst;
2699 	/**
2700 	 * OPP HW instance.
2701 	 * Not used in dmub fw,
2702 	 * dmub fw will get active opp by reading odm registers.
2703 	 */
2704 	uint8_t opp_inst;
2705 	/**
2706 	 * OTG HW instance.
2707 	 */
2708 	uint8_t otg_inst;
2709 	/**
2710 	 * DIG FE HW instance.
2711 	 */
2712 	uint8_t digfe_inst;
2713 	/**
2714 	 * DIG BE HW instance.
2715 	 */
2716 	uint8_t digbe_inst;
2717 	/**
2718 	 * DP PHY HW instance.
2719 	 */
2720 	uint8_t dpphy_inst;
2721 	/**
2722 	 * AUX HW instance.
2723 	 */
2724 	uint8_t aux_inst;
2725 	/**
2726 	 * Determines if SMU optimzations are enabled/disabled.
2727 	 */
2728 	uint8_t smu_optimizations_en;
2729 	/**
2730 	 * Unused.
2731 	 * TODO: Remove.
2732 	 */
2733 	uint8_t frame_delay;
2734 	/**
2735 	 * If RFB setup time is greater than the total VBLANK time,
2736 	 * it is not possible for the sink to capture the video frame
2737 	 * in the same frame the SDP is sent. In this case,
2738 	 * the frame capture indication bit should be set and an extra
2739 	 * static frame should be transmitted to the sink.
2740 	 */
2741 	uint8_t frame_cap_ind;
2742 	/**
2743 	 * Granularity of Y offset supported by sink.
2744 	 */
2745 	uint8_t su_y_granularity;
2746 	/**
2747 	 * Indicates whether sink should start capturing
2748 	 * immediately following active scan line,
2749 	 * or starting with the 2nd active scan line.
2750 	 */
2751 	uint8_t line_capture_indication;
2752 	/**
2753 	 * Multi-display optimizations are implemented on certain ASICs.
2754 	 */
2755 	uint8_t multi_disp_optimizations_en;
2756 	/**
2757 	 * The last possible line SDP may be transmitted without violating
2758 	 * the RFB setup time or entering the active video frame.
2759 	 */
2760 	uint16_t init_sdp_deadline;
2761 	/**
2762 	 * @ rate_control_caps : Indicate FreeSync PSR Sink Capabilities
2763 	 */
2764 	uint8_t rate_control_caps ;
2765 	/*
2766 	 * Force PSRSU always doing full frame update
2767 	 */
2768 	uint8_t force_ffu_mode;
2769 	/**
2770 	 * Length of each horizontal line in us.
2771 	 */
2772 	uint32_t line_time_in_us;
2773 	/**
2774 	 * FEC enable status in driver
2775 	 */
2776 	uint8_t fec_enable_status;
2777 	/**
2778 	 * FEC re-enable delay when PSR exit.
2779 	 * unit is 100us, range form 0~255(0xFF).
2780 	 */
2781 	uint8_t fec_enable_delay_in100us;
2782 	/**
2783 	 * PSR control version.
2784 	 */
2785 	uint8_t cmd_version;
2786 	/**
2787 	 * Panel Instance.
2788 	 * Panel instance to identify which psr_state to use
2789 	 * Currently the support is only for 0 or 1
2790 	 */
2791 	uint8_t panel_inst;
2792 	/*
2793 	 * DSC enable status in driver
2794 	 */
2795 	uint8_t dsc_enable_status;
2796 	/*
2797 	 * Use FSM state for PSR power up/down
2798 	 */
2799 	uint8_t use_phy_fsm;
2800 	/**
2801 	 * frame delay for frame re-lock
2802 	 */
2803 	uint8_t relock_delay_frame_cnt;
2804 	/**
2805 	 * esd recovery indicate.
2806 	 */
2807 	uint8_t esd_recovery;
2808 	/**
2809 	 * DSC Slice height.
2810 	 */
2811 	uint16_t dsc_slice_height;
2812 	/**
2813 	 * Some panels request main link off before xth vertical line
2814 	 */
2815 	uint16_t poweroff_before_vertical_line;
2816 };
2817 
2818 /**
2819  * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
2820  */
2821 struct dmub_rb_cmd_psr_copy_settings {
2822 	/**
2823 	 * Command header.
2824 	 */
2825 	struct dmub_cmd_header header;
2826 	/**
2827 	 * Data passed from driver to FW in a DMUB_CMD__PSR_COPY_SETTINGS command.
2828 	 */
2829 	struct dmub_cmd_psr_copy_settings_data psr_copy_settings_data;
2830 };
2831 
2832 /**
2833  * Data passed from driver to FW in a DMUB_CMD__PSR_SET_LEVEL command.
2834  */
2835 struct dmub_cmd_psr_set_level_data {
2836 	/**
2837 	 * 16-bit value dicated by driver that will enable/disable different functionality.
2838 	 */
2839 	uint16_t psr_level;
2840 	/**
2841 	 * PSR control version.
2842 	 */
2843 	uint8_t cmd_version;
2844 	/**
2845 	 * Panel Instance.
2846 	 * Panel instance to identify which psr_state to use
2847 	 * Currently the support is only for 0 or 1
2848 	 */
2849 	uint8_t panel_inst;
2850 };
2851 
2852 /**
2853  * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
2854  */
2855 struct dmub_rb_cmd_psr_set_level {
2856 	/**
2857 	 * Command header.
2858 	 */
2859 	struct dmub_cmd_header header;
2860 	/**
2861 	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
2862 	 */
2863 	struct dmub_cmd_psr_set_level_data psr_set_level_data;
2864 };
2865 
2866 struct dmub_rb_cmd_psr_enable_data {
2867 	/**
2868 	 * PSR control version.
2869 	 */
2870 	uint8_t cmd_version;
2871 	/**
2872 	 * Panel Instance.
2873 	 * Panel instance to identify which psr_state to use
2874 	 * Currently the support is only for 0 or 1
2875 	 */
2876 	uint8_t panel_inst;
2877 	/**
2878 	 * Phy state to enter.
2879 	 * Values to use are defined in dmub_phy_fsm_state
2880 	 */
2881 	uint8_t phy_fsm_state;
2882 	/**
2883 	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
2884 	 * Set this using enum phy_link_rate.
2885 	 * This does not support HDMI/DP2 for now.
2886 	 */
2887 	uint8_t phy_rate;
2888 };
2889 
2890 /**
2891  * Definition of a DMUB_CMD__PSR_ENABLE command.
2892  * PSR enable/disable is controlled using the sub_type.
2893  */
2894 struct dmub_rb_cmd_psr_enable {
2895 	/**
2896 	 * Command header.
2897 	 */
2898 	struct dmub_cmd_header header;
2899 
2900 	struct dmub_rb_cmd_psr_enable_data data;
2901 };
2902 
2903 /**
2904  * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
2905  */
2906 struct dmub_cmd_psr_set_version_data {
2907 	/**
2908 	 * PSR version that FW should implement.
2909 	 */
2910 	enum psr_version version;
2911 	/**
2912 	 * PSR control version.
2913 	 */
2914 	uint8_t cmd_version;
2915 	/**
2916 	 * Panel Instance.
2917 	 * Panel instance to identify which psr_state to use
2918 	 * Currently the support is only for 0 or 1
2919 	 */
2920 	uint8_t panel_inst;
2921 	/**
2922 	 * Explicit padding to 4 byte boundary.
2923 	 */
2924 	uint8_t pad[2];
2925 };
2926 
2927 /**
2928  * Definition of a DMUB_CMD__PSR_SET_VERSION command.
2929  */
2930 struct dmub_rb_cmd_psr_set_version {
2931 	/**
2932 	 * Command header.
2933 	 */
2934 	struct dmub_cmd_header header;
2935 	/**
2936 	 * Data passed from driver to FW in a DMUB_CMD__PSR_SET_VERSION command.
2937 	 */
2938 	struct dmub_cmd_psr_set_version_data psr_set_version_data;
2939 };
2940 
2941 struct dmub_cmd_psr_force_static_data {
2942 	/**
2943 	 * PSR control version.
2944 	 */
2945 	uint8_t cmd_version;
2946 	/**
2947 	 * Panel Instance.
2948 	 * Panel instance to identify which psr_state to use
2949 	 * Currently the support is only for 0 or 1
2950 	 */
2951 	uint8_t panel_inst;
2952 	/**
2953 	 * Explicit padding to 4 byte boundary.
2954 	 */
2955 	uint8_t pad[2];
2956 };
2957 
2958 /**
2959  * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
2960  */
2961 struct dmub_rb_cmd_psr_force_static {
2962 	/**
2963 	 * Command header.
2964 	 */
2965 	struct dmub_cmd_header header;
2966 	/**
2967 	 * Data passed from driver to FW in a DMUB_CMD__PSR_FORCE_STATIC command.
2968 	 */
2969 	struct dmub_cmd_psr_force_static_data psr_force_static_data;
2970 };
2971 
2972 /**
2973  * PSR SU debug flags.
2974  */
2975 union dmub_psr_su_debug_flags {
2976 	/**
2977 	 * PSR SU debug flags.
2978 	 */
2979 	struct {
2980 		/**
2981 		 * Update dirty rect in SW only.
2982 		 */
2983 		uint8_t update_dirty_rect_only : 1;
2984 		/**
2985 		 * Reset the cursor/plane state before processing the call.
2986 		 */
2987 		uint8_t reset_state : 1;
2988 	} bitfields;
2989 
2990 	/**
2991 	 * Union for debug flags.
2992 	 */
2993 	uint32_t u32All;
2994 };
2995 
2996 /**
2997  * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
2998  * This triggers a selective update for PSR SU.
2999  */
3000 struct dmub_cmd_update_dirty_rect_data {
3001 	/**
3002 	 * Dirty rects from OS.
3003 	 */
3004 	struct dmub_rect src_dirty_rects[DMUB_MAX_DIRTY_RECTS];
3005 	/**
3006 	 * PSR SU debug flags.
3007 	 */
3008 	union dmub_psr_su_debug_flags debug_flags;
3009 	/**
3010 	 * OTG HW instance.
3011 	 */
3012 	uint8_t pipe_idx;
3013 	/**
3014 	 * Number of dirty rects.
3015 	 */
3016 	uint8_t dirty_rect_count;
3017 	/**
3018 	 * PSR control version.
3019 	 */
3020 	uint8_t cmd_version;
3021 	/**
3022 	 * Panel Instance.
3023 	 * Panel instance to identify which psr_state to use
3024 	 * Currently the support is only for 0 or 1
3025 	 */
3026 	uint8_t panel_inst;
3027 	/**
3028 	 * 16-bit value dicated by driver that indicates the coasting vtotal high byte part.
3029 	 */
3030 	uint16_t coasting_vtotal_high;
3031 	/**
3032 	 * Explicit padding to 4 byte boundary.
3033 	 */
3034 	uint8_t pad[2];
3035 };
3036 
3037 /**
3038  * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
3039  */
3040 struct dmub_rb_cmd_update_dirty_rect {
3041 	/**
3042 	 * Command header.
3043 	 */
3044 	struct dmub_cmd_header header;
3045 	/**
3046 	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_DIRTY_RECT command.
3047 	 */
3048 	struct dmub_cmd_update_dirty_rect_data update_dirty_rect_data;
3049 };
3050 
3051 /**
3052  * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
3053  */
3054 union dmub_reg_cursor_control_cfg {
3055 	struct {
3056 		uint32_t     cur_enable: 1;
3057 		uint32_t         reser0: 3;
3058 		uint32_t cur_2x_magnify: 1;
3059 		uint32_t         reser1: 3;
3060 		uint32_t           mode: 3;
3061 		uint32_t         reser2: 5;
3062 		uint32_t          pitch: 2;
3063 		uint32_t         reser3: 6;
3064 		uint32_t line_per_chunk: 5;
3065 		uint32_t         reser4: 3;
3066 	} bits;
3067 	uint32_t raw;
3068 };
3069 struct dmub_cursor_position_cache_hubp {
3070 	union dmub_reg_cursor_control_cfg cur_ctl;
3071 	union dmub_reg_position_cfg {
3072 		struct {
3073 			uint32_t cur_x_pos: 16;
3074 			uint32_t cur_y_pos: 16;
3075 		} bits;
3076 		uint32_t raw;
3077 	} position;
3078 	union dmub_reg_hot_spot_cfg {
3079 		struct {
3080 			uint32_t hot_x: 16;
3081 			uint32_t hot_y: 16;
3082 		} bits;
3083 		uint32_t raw;
3084 	} hot_spot;
3085 	union dmub_reg_dst_offset_cfg {
3086 		struct {
3087 			uint32_t dst_x_offset: 13;
3088 			uint32_t reserved: 19;
3089 		} bits;
3090 		uint32_t raw;
3091 	} dst_offset;
3092 };
3093 
3094 union dmub_reg_cur0_control_cfg {
3095 	struct {
3096 		uint32_t     cur0_enable: 1;
3097 		uint32_t  expansion_mode: 1;
3098 		uint32_t          reser0: 1;
3099 		uint32_t     cur0_rom_en: 1;
3100 		uint32_t            mode: 3;
3101 		uint32_t        reserved: 25;
3102 	} bits;
3103 	uint32_t raw;
3104 };
3105 struct dmub_cursor_position_cache_dpp {
3106 	union dmub_reg_cur0_control_cfg cur0_ctl;
3107 };
3108 struct dmub_cursor_position_cfg {
3109 	struct  dmub_cursor_position_cache_hubp pHubp;
3110 	struct  dmub_cursor_position_cache_dpp  pDpp;
3111 	uint8_t pipe_idx;
3112 	/*
3113 	 * Padding is required. To be 4 Bytes Aligned.
3114 	 */
3115 	uint8_t padding[3];
3116 };
3117 
3118 struct dmub_cursor_attribute_cache_hubp {
3119 	uint32_t SURFACE_ADDR_HIGH;
3120 	uint32_t SURFACE_ADDR;
3121 	union    dmub_reg_cursor_control_cfg  cur_ctl;
3122 	union    dmub_reg_cursor_size_cfg {
3123 		struct {
3124 			uint32_t width: 16;
3125 			uint32_t height: 16;
3126 		} bits;
3127 		uint32_t raw;
3128 	} size;
3129 	union    dmub_reg_cursor_settings_cfg {
3130 		struct {
3131 			uint32_t     dst_y_offset: 8;
3132 			uint32_t chunk_hdl_adjust: 2;
3133 			uint32_t         reserved: 22;
3134 		} bits;
3135 		uint32_t raw;
3136 	} settings;
3137 };
3138 struct dmub_cursor_attribute_cache_dpp {
3139 	union dmub_reg_cur0_control_cfg cur0_ctl;
3140 };
3141 struct dmub_cursor_attributes_cfg {
3142 	struct  dmub_cursor_attribute_cache_hubp aHubp;
3143 	struct  dmub_cursor_attribute_cache_dpp  aDpp;
3144 };
3145 
3146 struct dmub_cmd_update_cursor_payload0 {
3147 	/**
3148 	 * Cursor dirty rects.
3149 	 */
3150 	struct dmub_rect cursor_rect;
3151 	/**
3152 	 * PSR SU debug flags.
3153 	 */
3154 	union dmub_psr_su_debug_flags debug_flags;
3155 	/**
3156 	 * Cursor enable/disable.
3157 	 */
3158 	uint8_t enable;
3159 	/**
3160 	 * OTG HW instance.
3161 	 */
3162 	uint8_t pipe_idx;
3163 	/**
3164 	 * PSR control version.
3165 	 */
3166 	uint8_t cmd_version;
3167 	/**
3168 	 * Panel Instance.
3169 	 * Panel instance to identify which psr_state to use
3170 	 * Currently the support is only for 0 or 1
3171 	 */
3172 	uint8_t panel_inst;
3173 	/**
3174 	 * Cursor Position Register.
3175 	 * Registers contains Hubp & Dpp modules
3176 	 */
3177 	struct dmub_cursor_position_cfg position_cfg;
3178 };
3179 
3180 struct dmub_cmd_update_cursor_payload1 {
3181 	struct dmub_cursor_attributes_cfg attribute_cfg;
3182 };
3183 
3184 union dmub_cmd_update_cursor_info_data {
3185 	struct dmub_cmd_update_cursor_payload0 payload0;
3186 	struct dmub_cmd_update_cursor_payload1 payload1;
3187 };
3188 /**
3189  * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
3190  */
3191 struct dmub_rb_cmd_update_cursor_info {
3192 	/**
3193 	 * Command header.
3194 	 */
3195 	struct dmub_cmd_header header;
3196 	/**
3197 	 * Data passed from driver to FW in a DMUB_CMD__UPDATE_CURSOR_INFO command.
3198 	 */
3199 	union dmub_cmd_update_cursor_info_data update_cursor_info_data;
3200 };
3201 
3202 /**
3203  * Data passed from driver to FW in a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3204  */
3205 struct dmub_cmd_psr_set_vtotal_data {
3206 	/**
3207 	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when screen idle..
3208 	 */
3209 	uint16_t psr_vtotal_idle;
3210 	/**
3211 	 * PSR control version.
3212 	 */
3213 	uint8_t cmd_version;
3214 	/**
3215 	 * Panel Instance.
3216 	 * Panel instance to identify which psr_state to use
3217 	 * Currently the support is only for 0 or 1
3218 	 */
3219 	uint8_t panel_inst;
3220 	/*
3221 	 * 16-bit value dicated by driver that indicates the vtotal in PSR active requirement when doing SU/FFU.
3222 	 */
3223 	uint16_t psr_vtotal_su;
3224 	/**
3225 	 * Explicit padding to 4 byte boundary.
3226 	 */
3227 	uint8_t pad2[2];
3228 };
3229 
3230 /**
3231  * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3232  */
3233 struct dmub_rb_cmd_psr_set_vtotal {
3234 	/**
3235 	 * Command header.
3236 	 */
3237 	struct dmub_cmd_header header;
3238 	/**
3239 	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
3240 	 */
3241 	struct dmub_cmd_psr_set_vtotal_data psr_set_vtotal_data;
3242 };
3243 
3244 /**
3245  * Data passed from driver to FW in a DMUB_CMD__SET_PSR_POWER_OPT command.
3246  */
3247 struct dmub_cmd_psr_set_power_opt_data {
3248 	/**
3249 	 * PSR control version.
3250 	 */
3251 	uint8_t cmd_version;
3252 	/**
3253 	 * Panel Instance.
3254 	 * Panel instance to identify which psr_state to use
3255 	 * Currently the support is only for 0 or 1
3256 	 */
3257 	uint8_t panel_inst;
3258 	/**
3259 	 * Explicit padding to 4 byte boundary.
3260 	 */
3261 	uint8_t pad[2];
3262 	/**
3263 	 * PSR power option
3264 	 */
3265 	uint32_t power_opt;
3266 };
3267 
3268 /**
3269  * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
3270  */
3271 struct dmub_rb_cmd_psr_set_power_opt {
3272 	/**
3273 	 * Command header.
3274 	 */
3275 	struct dmub_cmd_header header;
3276 	/**
3277 	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
3278 	 */
3279 	struct dmub_cmd_psr_set_power_opt_data psr_set_power_opt_data;
3280 };
3281 
3282 /**
3283  * Definition of Replay Residency GPINT command.
3284  * Bit[0] - Residency mode for Revision 0
3285  * Bit[1] - Enable/Disable state
3286  * Bit[2-3] - Revision number
3287  * Bit[4-7] - Residency mode for Revision 1
3288  * Bit[8] - Panel instance
3289  * Bit[9-15] - Reserved
3290  */
3291 
3292 enum pr_residency_mode {
3293 	PR_RESIDENCY_MODE_PHY = 0x0,
3294 	PR_RESIDENCY_MODE_ALPM,
3295 	PR_RESIDENCY_MODE_IPS2,
3296 	PR_RESIDENCY_MODE_FRAME_CNT,
3297 	PR_RESIDENCY_MODE_ENABLEMENT_PERIOD,
3298 };
3299 
3300 #define REPLAY_RESIDENCY_MODE_SHIFT            (0)
3301 #define REPLAY_RESIDENCY_ENABLE_SHIFT          (1)
3302 #define REPLAY_RESIDENCY_REVISION_SHIFT        (2)
3303 #define REPLAY_RESIDENCY_MODE2_SHIFT           (4)
3304 
3305 #define REPLAY_RESIDENCY_MODE_MASK             (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
3306 # define REPLAY_RESIDENCY_FIELD_MODE_PHY       (0x0 << REPLAY_RESIDENCY_MODE_SHIFT)
3307 # define REPLAY_RESIDENCY_FIELD_MODE_ALPM      (0x1 << REPLAY_RESIDENCY_MODE_SHIFT)
3308 
3309 #define REPLAY_RESIDENCY_MODE2_MASK            (0xF << REPLAY_RESIDENCY_MODE2_SHIFT)
3310 # define REPLAY_RESIDENCY_FIELD_MODE2_IPS      (0x1 << REPLAY_RESIDENCY_MODE2_SHIFT)
3311 # define REPLAY_RESIDENCY_FIELD_MODE2_FRAME_CNT    (0x2 << REPLAY_RESIDENCY_MODE2_SHIFT)
3312 # define REPLAY_RESIDENCY_FIELD_MODE2_EN_PERIOD	(0x3 << REPLAY_RESIDENCY_MODE2_SHIFT)
3313 
3314 #define REPLAY_RESIDENCY_ENABLE_MASK           (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3315 # define REPLAY_RESIDENCY_DISABLE              (0x0 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3316 # define REPLAY_RESIDENCY_ENABLE               (0x1 << REPLAY_RESIDENCY_ENABLE_SHIFT)
3317 
3318 #define REPLAY_RESIDENCY_REVISION_MASK         (0x3 << REPLAY_RESIDENCY_REVISION_SHIFT)
3319 # define REPLAY_RESIDENCY_REVISION_0           (0x0 << REPLAY_RESIDENCY_REVISION_SHIFT)
3320 # define REPLAY_RESIDENCY_REVISION_1           (0x1 << REPLAY_RESIDENCY_REVISION_SHIFT)
3321 
3322 /**
3323  * Definition of a replay_state.
3324  */
3325 enum replay_state {
3326 	REPLAY_STATE_0			= 0x0,
3327 	REPLAY_STATE_1			= 0x10,
3328 	REPLAY_STATE_1A			= 0x11,
3329 	REPLAY_STATE_2			= 0x20,
3330 	REPLAY_STATE_2A			= 0x21,
3331 	REPLAY_STATE_3			= 0x30,
3332 	REPLAY_STATE_3INIT		= 0x31,
3333 	REPLAY_STATE_4			= 0x40,
3334 	REPLAY_STATE_4A			= 0x41,
3335 	REPLAY_STATE_4B			= 0x42,
3336 	REPLAY_STATE_4C			= 0x43,
3337 	REPLAY_STATE_4D			= 0x44,
3338 	REPLAY_STATE_4E			= 0x45,
3339 	REPLAY_STATE_4B_LOCKED		= 0x4A,
3340 	REPLAY_STATE_4C_UNLOCKED	= 0x4B,
3341 	REPLAY_STATE_5			= 0x50,
3342 	REPLAY_STATE_5A			= 0x51,
3343 	REPLAY_STATE_5B			= 0x52,
3344 	REPLAY_STATE_5A_LOCKED		= 0x5A,
3345 	REPLAY_STATE_5B_UNLOCKED	= 0x5B,
3346 	REPLAY_STATE_6			= 0x60,
3347 	REPLAY_STATE_6A			= 0x61,
3348 	REPLAY_STATE_6B			= 0x62,
3349 	REPLAY_STATE_INVALID		= 0xFF,
3350 };
3351 
3352 /**
3353  * Replay command sub-types.
3354  */
3355 enum dmub_cmd_replay_type {
3356 	/**
3357 	 * Copy driver-calculated parameters to REPLAY state.
3358 	 */
3359 	DMUB_CMD__REPLAY_COPY_SETTINGS		= 0,
3360 	/**
3361 	 * Enable REPLAY.
3362 	 */
3363 	DMUB_CMD__REPLAY_ENABLE			= 1,
3364 	/**
3365 	 * Set Replay power option.
3366 	 */
3367 	DMUB_CMD__SET_REPLAY_POWER_OPT		= 2,
3368 	/**
3369 	 * Set coasting vtotal.
3370 	 */
3371 	DMUB_CMD__REPLAY_SET_COASTING_VTOTAL	= 3,
3372 	/**
3373 	 * Set power opt and coasting vtotal.
3374 	 */
3375 	DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL	= 4,
3376 	/**
3377 	 * Set disabled iiming sync.
3378 	 */
3379 	DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED	= 5,
3380 	/**
3381 	 * Set Residency Frameupdate Timer.
3382 	 */
3383 	DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER = 6,
3384 	/**
3385 	 * Set pseudo vtotal
3386 	 */
3387 	DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL = 7,
3388 	/**
3389 	 * Set adaptive sync sdp enabled
3390 	 */
3391 	DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP = 8,
3392 	/**
3393 	 * Set Replay General command.
3394 	 */
3395 	DMUB_CMD__REPLAY_SET_GENERAL_CMD = 16,
3396 };
3397 
3398 /**
3399  * Replay general command sub-types.
3400  */
3401 enum dmub_cmd_replay_general_subtype {
3402 	REPLAY_GENERAL_CMD_NOT_SUPPORTED = -1,
3403 	/**
3404 	 * TODO: For backward compatible, allow new command only.
3405 	 * REPLAY_GENERAL_CMD_SET_TIMING_SYNC_SUPPORTED,
3406 	 * REPLAY_GENERAL_CMD_SET_RESIDENCY_FRAMEUPDATE_TIMER,
3407 	 * REPLAY_GENERAL_CMD_SET_PSEUDO_VTOTAL,
3408 	 */
3409 	REPLAY_GENERAL_CMD_DISABLED_ADAPTIVE_SYNC_SDP,
3410 	REPLAY_GENERAL_CMD_DISABLED_DESYNC_ERROR_DETECTION,
3411 };
3412 
3413 /**
3414  * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
3415  */
3416 struct dmub_cmd_replay_copy_settings_data {
3417 	/**
3418 	 * Flags that can be set by driver to change some replay behaviour.
3419 	 */
3420 	union replay_debug_flags debug;
3421 
3422 	/**
3423 	 * @flags: Flags used to determine feature functionality.
3424 	 */
3425 	union replay_hw_flags flags;
3426 
3427 	/**
3428 	 * DPP HW instance.
3429 	 */
3430 	uint8_t dpp_inst;
3431 	/**
3432 	 * OTG HW instance.
3433 	 */
3434 	uint8_t otg_inst;
3435 	/**
3436 	 * DIG FE HW instance.
3437 	 */
3438 	uint8_t digfe_inst;
3439 	/**
3440 	 * DIG BE HW instance.
3441 	 */
3442 	uint8_t digbe_inst;
3443 	/**
3444 	 * AUX HW instance.
3445 	 */
3446 	uint8_t aux_inst;
3447 	/**
3448 	 * Panel Instance.
3449 	 * Panel isntance to identify which psr_state to use
3450 	 * Currently the support is only for 0 or 1
3451 	 */
3452 	uint8_t panel_inst;
3453 	/**
3454 	 * @pixel_deviation_per_line: Indicate the maximum pixel deviation per line compare
3455 	 * to Source timing when Sink maintains coasting vtotal during the Replay normal sleep mode
3456 	 */
3457 	uint8_t pixel_deviation_per_line;
3458 	/**
3459 	 * @max_deviation_line: The max number of deviation line that can keep the timing
3460 	 * synchronized between the Source and Sink during Replay normal sleep mode.
3461 	 */
3462 	uint8_t max_deviation_line;
3463 	/**
3464 	 * Length of each horizontal line in ns.
3465 	 */
3466 	uint32_t line_time_in_ns;
3467 	/**
3468 	 * PHY instance.
3469 	 */
3470 	uint8_t dpphy_inst;
3471 	/**
3472 	 * Determines if SMU optimzations are enabled/disabled.
3473 	 */
3474 	uint8_t smu_optimizations_en;
3475 	/**
3476 	 * Determines if timing sync are enabled/disabled.
3477 	 */
3478 	uint8_t replay_timing_sync_supported;
3479 	/*
3480 	 * Use FSM state for Replay power up/down
3481 	 */
3482 	uint8_t use_phy_fsm;
3483 };
3484 
3485 /**
3486  * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
3487  */
3488 struct dmub_rb_cmd_replay_copy_settings {
3489 	/**
3490 	 * Command header.
3491 	 */
3492 	struct dmub_cmd_header header;
3493 	/**
3494 	 * Data passed from driver to FW in a DMUB_CMD__REPLAY_COPY_SETTINGS command.
3495 	 */
3496 	struct dmub_cmd_replay_copy_settings_data replay_copy_settings_data;
3497 };
3498 
3499 /**
3500  * Replay disable / enable state for dmub_rb_cmd_replay_enable_data.enable
3501  */
3502 enum replay_enable {
3503 	/**
3504 	 * Disable REPLAY.
3505 	 */
3506 	REPLAY_DISABLE				= 0,
3507 	/**
3508 	 * Enable REPLAY.
3509 	 */
3510 	REPLAY_ENABLE				= 1,
3511 };
3512 
3513 /**
3514  * Data passed from driver to FW in a DMUB_CMD__REPLAY_ENABLE command.
3515  */
3516 struct dmub_rb_cmd_replay_enable_data {
3517 	/**
3518 	 * Replay enable or disable.
3519 	 */
3520 	uint8_t enable;
3521 	/**
3522 	 * Panel Instance.
3523 	 * Panel isntance to identify which replay_state to use
3524 	 * Currently the support is only for 0 or 1
3525 	 */
3526 	uint8_t panel_inst;
3527 	/**
3528 	 * Phy state to enter.
3529 	 * Values to use are defined in dmub_phy_fsm_state
3530 	 */
3531 	uint8_t phy_fsm_state;
3532 	/**
3533 	 * Phy rate for DP - RBR/HBR/HBR2/HBR3.
3534 	 * Set this using enum phy_link_rate.
3535 	 * This does not support HDMI/DP2 for now.
3536 	 */
3537 	uint8_t phy_rate;
3538 };
3539 
3540 /**
3541  * Definition of a DMUB_CMD__REPLAY_ENABLE command.
3542  * Replay enable/disable is controlled using action in data.
3543  */
3544 struct dmub_rb_cmd_replay_enable {
3545 	/**
3546 	 * Command header.
3547 	 */
3548 	struct dmub_cmd_header header;
3549 
3550 	struct dmub_rb_cmd_replay_enable_data data;
3551 };
3552 
3553 /**
3554  * Data passed from driver to FW in a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3555  */
3556 struct dmub_cmd_replay_set_power_opt_data {
3557 	/**
3558 	 * Panel Instance.
3559 	 * Panel isntance to identify which replay_state to use
3560 	 * Currently the support is only for 0 or 1
3561 	 */
3562 	uint8_t panel_inst;
3563 	/**
3564 	 * Explicit padding to 4 byte boundary.
3565 	 */
3566 	uint8_t pad[3];
3567 	/**
3568 	 * REPLAY power option
3569 	 */
3570 	uint32_t power_opt;
3571 };
3572 
3573 /**
3574  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
3575  */
3576 struct dmub_cmd_replay_set_timing_sync_data {
3577 	/**
3578 	 * Panel Instance.
3579 	 * Panel isntance to identify which replay_state to use
3580 	 * Currently the support is only for 0 or 1
3581 	 */
3582 	uint8_t panel_inst;
3583 	/**
3584 	 * REPLAY set_timing_sync
3585 	 */
3586 	uint8_t timing_sync_supported;
3587 	/**
3588 	 * Explicit padding to 4 byte boundary.
3589 	 */
3590 	uint8_t pad[2];
3591 };
3592 
3593 /**
3594  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
3595  */
3596 struct dmub_cmd_replay_set_pseudo_vtotal {
3597 	/**
3598 	 * Panel Instance.
3599 	 * Panel isntance to identify which replay_state to use
3600 	 * Currently the support is only for 0 or 1
3601 	 */
3602 	uint8_t panel_inst;
3603 	/**
3604 	 * Source Vtotal that Replay + IPS + ABM full screen video src vtotal
3605 	 */
3606 	uint16_t vtotal;
3607 	/**
3608 	 * Explicit padding to 4 byte boundary.
3609 	 */
3610 	uint8_t pad;
3611 };
3612 struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data {
3613 	/**
3614 	 * Panel Instance.
3615 	 * Panel isntance to identify which replay_state to use
3616 	 * Currently the support is only for 0 or 1
3617 	 */
3618 	uint8_t panel_inst;
3619 	/**
3620 	 * enabled: set adaptive sync sdp enabled
3621 	 */
3622 	uint8_t force_disabled;
3623 
3624 	uint8_t pad[2];
3625 };
3626 struct dmub_cmd_replay_set_general_cmd_data {
3627 	/**
3628 	 * Panel Instance.
3629 	 * Panel isntance to identify which replay_state to use
3630 	 * Currently the support is only for 0 or 1
3631 	 */
3632 	uint8_t panel_inst;
3633 	/**
3634 	 * subtype: replay general cmd sub type
3635 	 */
3636 	uint8_t subtype;
3637 
3638 	uint8_t pad[2];
3639 	/**
3640 	 * config data with param1 and param2
3641 	 */
3642 	uint32_t param1;
3643 
3644 	uint32_t param2;
3645 };
3646 
3647 /**
3648  * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3649  */
3650 struct dmub_rb_cmd_replay_set_power_opt {
3651 	/**
3652 	 * Command header.
3653 	 */
3654 	struct dmub_cmd_header header;
3655 	/**
3656 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3657 	 */
3658 	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
3659 };
3660 
3661 /**
3662  * Data passed from driver to FW in a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3663  */
3664 struct dmub_cmd_replay_set_coasting_vtotal_data {
3665 	/**
3666 	 * 16-bit value dicated by driver that indicates the coasting vtotal.
3667 	 */
3668 	uint16_t coasting_vtotal;
3669 	/**
3670 	 * REPLAY control version.
3671 	 */
3672 	uint8_t cmd_version;
3673 	/**
3674 	 * Panel Instance.
3675 	 * Panel isntance to identify which replay_state to use
3676 	 * Currently the support is only for 0 or 1
3677 	 */
3678 	uint8_t panel_inst;
3679 	/**
3680 	 * 16-bit value dicated by driver that indicates the coasting vtotal high byte part.
3681 	 */
3682 	uint16_t coasting_vtotal_high;
3683 	/**
3684 	 * Explicit padding to 4 byte boundary.
3685 	 */
3686 	uint8_t pad[2];
3687 };
3688 
3689 /**
3690  * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3691  */
3692 struct dmub_rb_cmd_replay_set_coasting_vtotal {
3693 	/**
3694 	 * Command header.
3695 	 */
3696 	struct dmub_cmd_header header;
3697 	/**
3698 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3699 	 */
3700 	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
3701 };
3702 
3703 /**
3704  * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
3705  */
3706 struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal {
3707 	/**
3708 	 * Command header.
3709 	 */
3710 	struct dmub_cmd_header header;
3711 	/**
3712 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3713 	 */
3714 	struct dmub_cmd_replay_set_power_opt_data replay_set_power_opt_data;
3715 	/**
3716 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
3717 	 */
3718 	struct dmub_cmd_replay_set_coasting_vtotal_data replay_set_coasting_vtotal_data;
3719 };
3720 
3721 /**
3722  * Definition of a DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
3723  */
3724 struct dmub_rb_cmd_replay_set_timing_sync {
3725 	/**
3726 	 * Command header.
3727 	 */
3728 	struct dmub_cmd_header header;
3729 	/**
3730 	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command.
3731 	 */
3732 	struct dmub_cmd_replay_set_timing_sync_data replay_set_timing_sync_data;
3733 };
3734 
3735 /**
3736  * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
3737  */
3738 struct dmub_rb_cmd_replay_set_pseudo_vtotal {
3739 	/**
3740 	 * Command header.
3741 	 */
3742 	struct dmub_cmd_header header;
3743 	/**
3744 	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
3745 	 */
3746 	struct dmub_cmd_replay_set_pseudo_vtotal data;
3747 };
3748 
3749 /**
3750  * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
3751  */
3752 struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp {
3753 	/**
3754 	 * Command header.
3755 	 */
3756 	struct dmub_cmd_header header;
3757 	/**
3758 	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
3759 	 */
3760 	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data data;
3761 };
3762 
3763 /**
3764  * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
3765  */
3766 struct dmub_rb_cmd_replay_set_general_cmd {
3767 	/**
3768 	 * Command header.
3769 	 */
3770 	struct dmub_cmd_header header;
3771 	/**
3772 	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
3773 	 */
3774 	struct dmub_cmd_replay_set_general_cmd_data data;
3775 };
3776 
3777 /**
3778  * Data passed from driver to FW in  DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
3779  */
3780 struct dmub_cmd_replay_frameupdate_timer_data {
3781 	/**
3782 	 * Panel Instance.
3783 	 * Panel isntance to identify which replay_state to use
3784 	 * Currently the support is only for 0 or 1
3785 	 */
3786 	uint8_t panel_inst;
3787 	/**
3788 	 * Replay Frameupdate Timer Enable or not
3789 	 */
3790 	uint8_t enable;
3791 	/**
3792 	 * REPLAY force reflash frame update number
3793 	 */
3794 	uint16_t frameupdate_count;
3795 };
3796 /**
3797  * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER
3798  */
3799 struct dmub_rb_cmd_replay_set_frameupdate_timer {
3800 	/**
3801 	 * Command header.
3802 	 */
3803 	struct dmub_cmd_header header;
3804 	/**
3805 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
3806 	 */
3807 	struct dmub_cmd_replay_frameupdate_timer_data data;
3808 };
3809 
3810 /**
3811  * Definition union of replay command set
3812  */
3813 union dmub_replay_cmd_set {
3814 	/**
3815 	 * Panel Instance.
3816 	 * Panel isntance to identify which replay_state to use
3817 	 * Currently the support is only for 0 or 1
3818 	 */
3819 	uint8_t panel_inst;
3820 	/**
3821 	 * Definition of DMUB_CMD__REPLAY_SET_TIMING_SYNC_SUPPORTED command data.
3822 	 */
3823 	struct dmub_cmd_replay_set_timing_sync_data sync_data;
3824 	/**
3825 	 * Definition of DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command data.
3826 	 */
3827 	struct dmub_cmd_replay_frameupdate_timer_data timer_data;
3828 	/**
3829 	 * Definition of DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command data.
3830 	 */
3831 	struct dmub_cmd_replay_set_pseudo_vtotal pseudo_vtotal_data;
3832 	/**
3833 	 * Definition of DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command data.
3834 	 */
3835 	struct dmub_cmd_replay_disabled_adaptive_sync_sdp_data disabled_adaptive_sync_sdp_data;
3836 	/**
3837 	 * Definition of DMUB_CMD__REPLAY_SET_GENERAL_CMD command data.
3838 	 */
3839 	struct dmub_cmd_replay_set_general_cmd_data set_general_cmd_data;
3840 };
3841 
3842 /**
3843  * Set of HW components that can be locked.
3844  *
3845  * Note: If updating with more HW components, fields
3846  * in dmub_inbox0_cmd_lock_hw must be updated to match.
3847  */
3848 union dmub_hw_lock_flags {
3849 	/**
3850 	 * Set of HW components that can be locked.
3851 	 */
3852 	struct {
3853 		/**
3854 		 * Lock/unlock OTG master update lock.
3855 		 */
3856 		uint8_t lock_pipe   : 1;
3857 		/**
3858 		 * Lock/unlock cursor.
3859 		 */
3860 		uint8_t lock_cursor : 1;
3861 		/**
3862 		 * Lock/unlock global update lock.
3863 		 */
3864 		uint8_t lock_dig    : 1;
3865 		/**
3866 		 * Triple buffer lock requires additional hw programming to usual OTG master lock.
3867 		 */
3868 		uint8_t triple_buffer_lock : 1;
3869 	} bits;
3870 
3871 	/**
3872 	 * Union for HW Lock flags.
3873 	 */
3874 	uint8_t u8All;
3875 };
3876 
3877 /**
3878  * Instances of HW to be locked.
3879  *
3880  * Note: If updating with more HW components, fields
3881  * in dmub_inbox0_cmd_lock_hw must be updated to match.
3882  */
3883 struct dmub_hw_lock_inst_flags {
3884 	/**
3885 	 * OTG HW instance for OTG master update lock.
3886 	 */
3887 	uint8_t otg_inst;
3888 	/**
3889 	 * OPP instance for cursor lock.
3890 	 */
3891 	uint8_t opp_inst;
3892 	/**
3893 	 * OTG HW instance for global update lock.
3894 	 * TODO: Remove, and re-use otg_inst.
3895 	 */
3896 	uint8_t dig_inst;
3897 	/**
3898 	 * Explicit pad to 4 byte boundary.
3899 	 */
3900 	uint8_t pad;
3901 };
3902 
3903 /**
3904  * Clients that can acquire the HW Lock Manager.
3905  *
3906  * Note: If updating with more clients, fields in
3907  * dmub_inbox0_cmd_lock_hw must be updated to match.
3908  */
3909 enum hw_lock_client {
3910 	/**
3911 	 * Driver is the client of HW Lock Manager.
3912 	 */
3913 	HW_LOCK_CLIENT_DRIVER = 0,
3914 	/**
3915 	 * PSR SU is the client of HW Lock Manager.
3916 	 */
3917 	HW_LOCK_CLIENT_PSR_SU		= 1,
3918 	HW_LOCK_CLIENT_SUBVP = 3,
3919 	/**
3920 	 * Replay is the client of HW Lock Manager.
3921 	 */
3922 	HW_LOCK_CLIENT_REPLAY		= 4,
3923 	HW_LOCK_CLIENT_FAMS2 = 5,
3924 	/**
3925 	 * Invalid client.
3926 	 */
3927 	HW_LOCK_CLIENT_INVALID = 0xFFFFFFFF,
3928 };
3929 
3930 /**
3931  * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
3932  */
3933 struct dmub_cmd_lock_hw_data {
3934 	/**
3935 	 * Specifies the client accessing HW Lock Manager.
3936 	 */
3937 	enum hw_lock_client client;
3938 	/**
3939 	 * HW instances to be locked.
3940 	 */
3941 	struct dmub_hw_lock_inst_flags inst_flags;
3942 	/**
3943 	 * Which components to be locked.
3944 	 */
3945 	union dmub_hw_lock_flags hw_locks;
3946 	/**
3947 	 * Specifies lock/unlock.
3948 	 */
3949 	uint8_t lock;
3950 	/**
3951 	 * HW can be unlocked separately from releasing the HW Lock Mgr.
3952 	 * This flag is set if the client wishes to release the object.
3953 	 */
3954 	uint8_t should_release;
3955 	/**
3956 	 * Explicit padding to 4 byte boundary.
3957 	 */
3958 	uint8_t pad;
3959 };
3960 
3961 /**
3962  * Definition of a DMUB_CMD__HW_LOCK command.
3963  * Command is used by driver and FW.
3964  */
3965 struct dmub_rb_cmd_lock_hw {
3966 	/**
3967 	 * Command header.
3968 	 */
3969 	struct dmub_cmd_header header;
3970 	/**
3971 	 * Data passed to HW Lock Mgr in a DMUB_CMD__HW_LOCK command.
3972 	 */
3973 	struct dmub_cmd_lock_hw_data lock_hw_data;
3974 };
3975 
3976 /**
3977  * ABM command sub-types.
3978  */
3979 enum dmub_cmd_abm_type {
3980 	/**
3981 	 * Initialize parameters for ABM algorithm.
3982 	 * Data is passed through an indirect buffer.
3983 	 */
3984 	DMUB_CMD__ABM_INIT_CONFIG	= 0,
3985 	/**
3986 	 * Set OTG and panel HW instance.
3987 	 */
3988 	DMUB_CMD__ABM_SET_PIPE		= 1,
3989 	/**
3990 	 * Set user requested backklight level.
3991 	 */
3992 	DMUB_CMD__ABM_SET_BACKLIGHT	= 2,
3993 	/**
3994 	 * Set ABM operating/aggression level.
3995 	 */
3996 	DMUB_CMD__ABM_SET_LEVEL		= 3,
3997 	/**
3998 	 * Set ambient light level.
3999 	 */
4000 	DMUB_CMD__ABM_SET_AMBIENT_LEVEL	= 4,
4001 	/**
4002 	 * Enable/disable fractional duty cycle for backlight PWM.
4003 	 */
4004 	DMUB_CMD__ABM_SET_PWM_FRAC	= 5,
4005 
4006 	/**
4007 	 * unregister vertical interrupt after steady state is reached
4008 	 */
4009 	DMUB_CMD__ABM_PAUSE	= 6,
4010 
4011 	/**
4012 	 * Save and Restore ABM state. On save we save parameters, and
4013 	 * on restore we update state with passed in data.
4014 	 */
4015 	DMUB_CMD__ABM_SAVE_RESTORE	= 7,
4016 
4017 	/**
4018 	 * Query ABM caps.
4019 	 */
4020 	DMUB_CMD__ABM_QUERY_CAPS	= 8,
4021 
4022 	/**
4023 	 * Set ABM Events
4024 	 */
4025 	DMUB_CMD__ABM_SET_EVENT	= 9,
4026 
4027 	/**
4028 	 * Get the current ACE curve.
4029 	 */
4030 	DMUB_CMD__ABM_GET_ACE_CURVE = 10,
4031 };
4032 
4033 struct abm_ace_curve {
4034 	/**
4035 	 * @offsets: ACE curve offsets.
4036 	 */
4037 	uint32_t offsets[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4038 
4039 	/**
4040 	 * @thresholds: ACE curve thresholds.
4041 	 */
4042 	uint32_t thresholds[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4043 
4044 	/**
4045 	 * @slopes: ACE curve slopes.
4046 	 */
4047 	uint32_t slopes[ABM_MAX_NUM_OF_ACE_SEGMENTS];
4048 };
4049 
4050 struct fixed_pt_format {
4051 	/**
4052 	 * @sign_bit: Indicates whether one bit is reserved for the sign.
4053 	 */
4054 	bool sign_bit;
4055 
4056 	/**
4057 	 * @num_int_bits: Number of bits used for integer part.
4058 	 */
4059 	uint8_t num_int_bits;
4060 
4061 	/**
4062 	 * @num_frac_bits: Number of bits used for fractional part.
4063 	 */
4064 	uint8_t num_frac_bits;
4065 
4066 	/**
4067 	 * @pad: Explicit padding to 4 byte boundary.
4068 	 */
4069 	uint8_t pad;
4070 };
4071 
4072 struct abm_caps {
4073 	/**
4074 	 * @num_hg_bins: Number of histogram bins.
4075 	 */
4076 	uint8_t num_hg_bins;
4077 
4078 	/**
4079 	 * @num_ace_segments: Number of ACE curve segments.
4080 	 */
4081 	uint8_t num_ace_segments;
4082 
4083 	/**
4084 	 * @pad: Explicit padding to 4 byte boundary.
4085 	 */
4086 	uint8_t pad[2];
4087 
4088 	/**
4089 	 * @ace_thresholds_format: Format of the ACE thresholds. If not programmable, it is set to 0.
4090 	 */
4091 	struct fixed_pt_format ace_thresholds_format;
4092 
4093 	/**
4094 	 * @ace_offsets_format: Format of the ACE offsets. If not programmable, it is set to 0.
4095 	 */
4096 	struct fixed_pt_format ace_offsets_format;
4097 
4098 	/**
4099 	 * @ace_slopes_format: Format of the ACE slopes.
4100 	 */
4101 	struct fixed_pt_format ace_slopes_format;
4102 };
4103 
4104 /**
4105  * Parameters for ABM2.4 algorithm. Passed from driver to FW via an indirect buffer.
4106  * Requirements:
4107  *  - Padded explicitly to 32-bit boundary.
4108  *  - Must ensure this structure matches the one on driver-side,
4109  *    otherwise it won't be aligned.
4110  */
4111 struct abm_config_table {
4112 	/**
4113 	 * Gamma curve thresholds, used for crgb conversion.
4114 	 */
4115 	uint16_t crgb_thresh[NUM_POWER_FN_SEGS];                 // 0B
4116 	/**
4117 	 * Gamma curve offsets, used for crgb conversion.
4118 	 */
4119 	uint16_t crgb_offset[NUM_POWER_FN_SEGS];                 // 16B
4120 	/**
4121 	 * Gamma curve slopes, used for crgb conversion.
4122 	 */
4123 	uint16_t crgb_slope[NUM_POWER_FN_SEGS];                  // 32B
4124 	/**
4125 	 * Custom backlight curve thresholds.
4126 	 */
4127 	uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS];        // 48B
4128 	/**
4129 	 * Custom backlight curve offsets.
4130 	 */
4131 	uint16_t backlight_offsets[NUM_BL_CURVE_SEGS];           // 78B
4132 	/**
4133 	 * Ambient light thresholds.
4134 	 */
4135 	uint16_t ambient_thresholds_lux[NUM_AMBI_LEVEL];         // 112B
4136 	/**
4137 	 * Minimum programmable backlight.
4138 	 */
4139 	uint16_t min_abm_backlight;                              // 122B
4140 	/**
4141 	 * Minimum reduction values.
4142 	 */
4143 	uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 124B
4144 	/**
4145 	 * Maximum reduction values.
4146 	 */
4147 	uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 144B
4148 	/**
4149 	 * Bright positive gain.
4150 	 */
4151 	uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; // 164B
4152 	/**
4153 	 * Dark negative gain.
4154 	 */
4155 	uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];   // 184B
4156 	/**
4157 	 * Hybrid factor.
4158 	 */
4159 	uint8_t hybrid_factor[NUM_AGGR_LEVEL];                   // 204B
4160 	/**
4161 	 * Contrast factor.
4162 	 */
4163 	uint8_t contrast_factor[NUM_AGGR_LEVEL];                 // 208B
4164 	/**
4165 	 * Deviation gain.
4166 	 */
4167 	uint8_t deviation_gain[NUM_AGGR_LEVEL];                  // 212B
4168 	/**
4169 	 * Minimum knee.
4170 	 */
4171 	uint8_t min_knee[NUM_AGGR_LEVEL];                        // 216B
4172 	/**
4173 	 * Maximum knee.
4174 	 */
4175 	uint8_t max_knee[NUM_AGGR_LEVEL];                        // 220B
4176 	/**
4177 	 * Unused.
4178 	 */
4179 	uint8_t iir_curve[NUM_AMBI_LEVEL];                       // 224B
4180 	/**
4181 	 * Explicit padding to 4 byte boundary.
4182 	 */
4183 	uint8_t pad3[3];                                         // 229B
4184 	/**
4185 	 * Backlight ramp reduction.
4186 	 */
4187 	uint16_t blRampReduction[NUM_AGGR_LEVEL];                // 232B
4188 	/**
4189 	 * Backlight ramp start.
4190 	 */
4191 	uint16_t blRampStart[NUM_AGGR_LEVEL];                    // 240B
4192 };
4193 
4194 /**
4195  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
4196  */
4197 struct dmub_cmd_abm_set_pipe_data {
4198 	/**
4199 	 * OTG HW instance.
4200 	 */
4201 	uint8_t otg_inst;
4202 
4203 	/**
4204 	 * Panel Control HW instance.
4205 	 */
4206 	uint8_t panel_inst;
4207 
4208 	/**
4209 	 * Controls how ABM will interpret a set pipe or set level command.
4210 	 */
4211 	uint8_t set_pipe_option;
4212 
4213 	/**
4214 	 * Unused.
4215 	 * TODO: Remove.
4216 	 */
4217 	uint8_t ramping_boundary;
4218 
4219 	/**
4220 	 * PwrSeq HW Instance.
4221 	 */
4222 	uint8_t pwrseq_inst;
4223 
4224 	/**
4225 	 * Explicit padding to 4 byte boundary.
4226 	 */
4227 	uint8_t pad[3];
4228 };
4229 
4230 /**
4231  * Definition of a DMUB_CMD__ABM_SET_PIPE command.
4232  */
4233 struct dmub_rb_cmd_abm_set_pipe {
4234 	/**
4235 	 * Command header.
4236 	 */
4237 	struct dmub_cmd_header header;
4238 
4239 	/**
4240 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PIPE command.
4241 	 */
4242 	struct dmub_cmd_abm_set_pipe_data abm_set_pipe_data;
4243 };
4244 
4245 /**
4246  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
4247  */
4248 struct dmub_cmd_abm_set_backlight_data {
4249 	/**
4250 	 * Number of frames to ramp to backlight user level.
4251 	 */
4252 	uint32_t frame_ramp;
4253 
4254 	/**
4255 	 * Requested backlight level from user.
4256 	 */
4257 	uint32_t backlight_user_level;
4258 
4259 	/**
4260 	 * ABM control version.
4261 	 */
4262 	uint8_t version;
4263 
4264 	/**
4265 	 * Panel Control HW instance mask.
4266 	 * Bit 0 is Panel Control HW instance 0.
4267 	 * Bit 1 is Panel Control HW instance 1.
4268 	 */
4269 	uint8_t panel_mask;
4270 
4271 	/**
4272 	 * Explicit padding to 4 byte boundary.
4273 	 */
4274 	uint8_t pad[2];
4275 };
4276 
4277 /**
4278  * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
4279  */
4280 struct dmub_rb_cmd_abm_set_backlight {
4281 	/**
4282 	 * Command header.
4283 	 */
4284 	struct dmub_cmd_header header;
4285 
4286 	/**
4287 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
4288 	 */
4289 	struct dmub_cmd_abm_set_backlight_data abm_set_backlight_data;
4290 };
4291 
4292 /**
4293  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
4294  */
4295 struct dmub_cmd_abm_set_level_data {
4296 	/**
4297 	 * Set current ABM operating/aggression level.
4298 	 */
4299 	uint32_t level;
4300 
4301 	/**
4302 	 * ABM control version.
4303 	 */
4304 	uint8_t version;
4305 
4306 	/**
4307 	 * Panel Control HW instance mask.
4308 	 * Bit 0 is Panel Control HW instance 0.
4309 	 * Bit 1 is Panel Control HW instance 1.
4310 	 */
4311 	uint8_t panel_mask;
4312 
4313 	/**
4314 	 * Explicit padding to 4 byte boundary.
4315 	 */
4316 	uint8_t pad[2];
4317 };
4318 
4319 /**
4320  * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
4321  */
4322 struct dmub_rb_cmd_abm_set_level {
4323 	/**
4324 	 * Command header.
4325 	 */
4326 	struct dmub_cmd_header header;
4327 
4328 	/**
4329 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_LEVEL command.
4330 	 */
4331 	struct dmub_cmd_abm_set_level_data abm_set_level_data;
4332 };
4333 
4334 /**
4335  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
4336  */
4337 struct dmub_cmd_abm_set_ambient_level_data {
4338 	/**
4339 	 * Ambient light sensor reading from OS.
4340 	 */
4341 	uint32_t ambient_lux;
4342 
4343 	/**
4344 	 * ABM control version.
4345 	 */
4346 	uint8_t version;
4347 
4348 	/**
4349 	 * Panel Control HW instance mask.
4350 	 * Bit 0 is Panel Control HW instance 0.
4351 	 * Bit 1 is Panel Control HW instance 1.
4352 	 */
4353 	uint8_t panel_mask;
4354 
4355 	/**
4356 	 * Explicit padding to 4 byte boundary.
4357 	 */
4358 	uint8_t pad[2];
4359 };
4360 
4361 /**
4362  * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
4363  */
4364 struct dmub_rb_cmd_abm_set_ambient_level {
4365 	/**
4366 	 * Command header.
4367 	 */
4368 	struct dmub_cmd_header header;
4369 
4370 	/**
4371 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
4372 	 */
4373 	struct dmub_cmd_abm_set_ambient_level_data abm_set_ambient_level_data;
4374 };
4375 
4376 /**
4377  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
4378  */
4379 struct dmub_cmd_abm_set_pwm_frac_data {
4380 	/**
4381 	 * Enable/disable fractional duty cycle for backlight PWM.
4382 	 * TODO: Convert to uint8_t.
4383 	 */
4384 	uint32_t fractional_pwm;
4385 
4386 	/**
4387 	 * ABM control version.
4388 	 */
4389 	uint8_t version;
4390 
4391 	/**
4392 	 * Panel Control HW instance mask.
4393 	 * Bit 0 is Panel Control HW instance 0.
4394 	 * Bit 1 is Panel Control HW instance 1.
4395 	 */
4396 	uint8_t panel_mask;
4397 
4398 	/**
4399 	 * Explicit padding to 4 byte boundary.
4400 	 */
4401 	uint8_t pad[2];
4402 };
4403 
4404 /**
4405  * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
4406  */
4407 struct dmub_rb_cmd_abm_set_pwm_frac {
4408 	/**
4409 	 * Command header.
4410 	 */
4411 	struct dmub_cmd_header header;
4412 
4413 	/**
4414 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_PWM_FRAC command.
4415 	 */
4416 	struct dmub_cmd_abm_set_pwm_frac_data abm_set_pwm_frac_data;
4417 };
4418 
4419 /**
4420  * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
4421  */
4422 struct dmub_cmd_abm_init_config_data {
4423 	/**
4424 	 * Location of indirect buffer used to pass init data to ABM.
4425 	 */
4426 	union dmub_addr src;
4427 
4428 	/**
4429 	 * Indirect buffer length.
4430 	 */
4431 	uint16_t bytes;
4432 
4433 
4434 	/**
4435 	 * ABM control version.
4436 	 */
4437 	uint8_t version;
4438 
4439 	/**
4440 	 * Panel Control HW instance mask.
4441 	 * Bit 0 is Panel Control HW instance 0.
4442 	 * Bit 1 is Panel Control HW instance 1.
4443 	 */
4444 	uint8_t panel_mask;
4445 
4446 	/**
4447 	 * Explicit padding to 4 byte boundary.
4448 	 */
4449 	uint8_t pad[2];
4450 };
4451 
4452 /**
4453  * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
4454  */
4455 struct dmub_rb_cmd_abm_init_config {
4456 	/**
4457 	 * Command header.
4458 	 */
4459 	struct dmub_cmd_header header;
4460 
4461 	/**
4462 	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
4463 	 */
4464 	struct dmub_cmd_abm_init_config_data abm_init_config_data;
4465 };
4466 
4467 /**
4468  * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
4469  */
4470 
4471 struct dmub_cmd_abm_pause_data {
4472 
4473 	/**
4474 	 * Panel Control HW instance mask.
4475 	 * Bit 0 is Panel Control HW instance 0.
4476 	 * Bit 1 is Panel Control HW instance 1.
4477 	 */
4478 	uint8_t panel_mask;
4479 
4480 	/**
4481 	 * OTG hw instance
4482 	 */
4483 	uint8_t otg_inst;
4484 
4485 	/**
4486 	 * Enable or disable ABM pause
4487 	 */
4488 	uint8_t enable;
4489 
4490 	/**
4491 	 * Explicit padding to 4 byte boundary.
4492 	 */
4493 	uint8_t pad[1];
4494 };
4495 
4496 /**
4497  * Definition of a DMUB_CMD__ABM_PAUSE command.
4498  */
4499 struct dmub_rb_cmd_abm_pause {
4500 	/**
4501 	 * Command header.
4502 	 */
4503 	struct dmub_cmd_header header;
4504 
4505 	/**
4506 	 * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
4507 	 */
4508 	struct dmub_cmd_abm_pause_data abm_pause_data;
4509 };
4510 
4511 /**
4512  * Data passed from driver to FW in a DMUB_CMD__ABM_QUERY_CAPS command.
4513  */
4514 struct dmub_cmd_abm_query_caps_in {
4515 	/**
4516 	 * Panel instance.
4517 	 */
4518 	uint8_t panel_inst;
4519 
4520 	/**
4521 	 * Explicit padding to 4 byte boundary.
4522 	 */
4523 	uint8_t pad[3];
4524 };
4525 
4526 /**
4527  * Data passed from FW to driver in a DMUB_CMD__ABM_QUERY_CAPS command.
4528  */
4529 struct dmub_cmd_abm_query_caps_out {
4530 	/**
4531 	 * SW Algorithm caps.
4532 	 */
4533 	struct abm_caps sw_caps;
4534 
4535 	/**
4536 	 * ABM HW caps.
4537 	 */
4538 	struct abm_caps hw_caps;
4539 };
4540 
4541 /**
4542  * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
4543  */
4544 struct dmub_rb_cmd_abm_query_caps {
4545 	/**
4546 	 * Command header.
4547 	 */
4548 	struct dmub_cmd_header header;
4549 
4550 	/**
4551 	 * Data passed between FW and driver in a DMUB_CMD__ABM_QUERY_CAPS command.
4552 	 */
4553 	union {
4554 		struct dmub_cmd_abm_query_caps_in  abm_query_caps_in;
4555 		struct dmub_cmd_abm_query_caps_out abm_query_caps_out;
4556 	} data;
4557 };
4558 
4559 /**
4560  * enum dmub_abm_ace_curve_type - ACE curve type.
4561  */
4562 enum dmub_abm_ace_curve_type {
4563 	/**
4564 	 * ACE curve as defined by the SW layer.
4565 	 */
4566 	ABM_ACE_CURVE_TYPE__SW = 0,
4567 	/**
4568 	 * ACE curve as defined by the SW to HW translation interface layer.
4569 	 */
4570 	ABM_ACE_CURVE_TYPE__SW_IF = 1,
4571 };
4572 
4573 /**
4574  * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
4575  */
4576 struct dmub_rb_cmd_abm_get_ace_curve {
4577 	/**
4578 	 * Command header.
4579 	 */
4580 	struct dmub_cmd_header header;
4581 
4582 	/**
4583 	 * Address where ACE curve should be copied.
4584 	 */
4585 	union dmub_addr dest;
4586 
4587 	/**
4588 	 * Type of ACE curve being queried.
4589 	 */
4590 	enum dmub_abm_ace_curve_type ace_type;
4591 
4592 	/**
4593 	 * Indirect buffer length.
4594 	 */
4595 	uint16_t bytes;
4596 
4597 	/**
4598 	 * eDP panel instance.
4599 	 */
4600 	uint8_t panel_inst;
4601 
4602 	/**
4603 	 * Explicit padding to 4 byte boundary.
4604 	 */
4605 	uint8_t pad;
4606 };
4607 
4608 /**
4609  * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
4610  */
4611 struct dmub_rb_cmd_abm_save_restore {
4612 	/**
4613 	 * Command header.
4614 	 */
4615 	struct dmub_cmd_header header;
4616 
4617 	/**
4618 	 * OTG hw instance
4619 	 */
4620 	uint8_t otg_inst;
4621 
4622 	/**
4623 	 * Enable or disable ABM pause
4624 	 */
4625 	uint8_t freeze;
4626 
4627 	/**
4628 	 * Explicit padding to 4 byte boundary.
4629 	 */
4630 	uint8_t debug;
4631 
4632 	/**
4633 	 * Data passed from driver to FW in a DMUB_CMD__ABM_INIT_CONFIG command.
4634 	 */
4635 	struct dmub_cmd_abm_init_config_data abm_init_config_data;
4636 };
4637 
4638 /**
4639  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
4640  */
4641 
4642 struct dmub_cmd_abm_set_event_data {
4643 
4644 	/**
4645 	 * VB Scaling Init. Strength Mapping
4646 	 * Byte 0: 0~255 for VB level 0
4647 	 * Byte 1: 0~255 for VB level 1
4648 	 * Byte 2: 0~255 for VB level 2
4649 	 * Byte 3: 0~255 for VB level 3
4650 	 */
4651 	uint32_t vb_scaling_strength_mapping;
4652 	/**
4653 	 * VariBright Scaling Enable
4654 	 */
4655 	uint8_t vb_scaling_enable;
4656 	/**
4657 	 * Panel Control HW instance mask.
4658 	 * Bit 0 is Panel Control HW instance 0.
4659 	 * Bit 1 is Panel Control HW instance 1.
4660 	 */
4661 	uint8_t panel_mask;
4662 
4663 	/**
4664 	 * Explicit padding to 4 byte boundary.
4665 	 */
4666 	uint8_t pad[2];
4667 };
4668 
4669 /**
4670  * Definition of a DMUB_CMD__ABM_SET_EVENT command.
4671  */
4672 struct dmub_rb_cmd_abm_set_event {
4673 	/**
4674 	 * Command header.
4675 	 */
4676 	struct dmub_cmd_header header;
4677 
4678 	/**
4679 	 * Data passed from driver to FW in a DMUB_CMD__ABM_SET_EVENT command.
4680 	 */
4681 	struct dmub_cmd_abm_set_event_data abm_set_event_data;
4682 };
4683 
4684 /**
4685  * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
4686  */
4687 struct dmub_cmd_query_feature_caps_data {
4688 	/**
4689 	 * DMUB feature capabilities.
4690 	 * After DMUB init, driver will query FW capabilities prior to enabling certain features.
4691 	 */
4692 	struct dmub_feature_caps feature_caps;
4693 };
4694 
4695 /**
4696  * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
4697  */
4698 struct dmub_rb_cmd_query_feature_caps {
4699 	/**
4700 	 * Command header.
4701 	 */
4702 	struct dmub_cmd_header header;
4703 	/**
4704 	 * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
4705 	 */
4706 	struct dmub_cmd_query_feature_caps_data query_feature_caps_data;
4707 };
4708 
4709 /**
4710  * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
4711  */
4712 struct dmub_cmd_visual_confirm_color_data {
4713 	/**
4714 	 * DMUB visual confirm color
4715 	 */
4716 	struct dmub_visual_confirm_color visual_confirm_color;
4717 };
4718 
4719 /**
4720  * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
4721  */
4722 struct dmub_rb_cmd_get_visual_confirm_color {
4723 	/**
4724 	 * Command header.
4725 	 */
4726 	struct dmub_cmd_header header;
4727 	/**
4728 	 * Data passed from driver to FW in a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
4729 	 */
4730 	struct dmub_cmd_visual_confirm_color_data visual_confirm_color_data;
4731 };
4732 
4733 /**
4734  * enum dmub_cmd_panel_cntl_type - Panel control command.
4735  */
4736 enum dmub_cmd_panel_cntl_type {
4737 	/**
4738 	 * Initializes embedded panel hardware blocks.
4739 	 */
4740 	DMUB_CMD__PANEL_CNTL_HW_INIT = 0,
4741 	/**
4742 	 * Queries backlight info for the embedded panel.
4743 	 */
4744 	DMUB_CMD__PANEL_CNTL_QUERY_BACKLIGHT_INFO = 1,
4745 	/**
4746 	 * Sets the PWM Freq as per user's requirement.
4747 	 */
4748 	DMUB_CMD__PANEL_DEBUG_PWM_FREQ = 2,
4749 };
4750 
4751 /**
4752  * struct dmub_cmd_panel_cntl_data - Panel control data.
4753  */
4754 struct dmub_cmd_panel_cntl_data {
4755 	uint32_t pwrseq_inst; /**< pwrseq instance */
4756 	uint32_t current_backlight; /* in/out */
4757 	uint32_t bl_pwm_cntl; /* in/out */
4758 	uint32_t bl_pwm_period_cntl; /* in/out */
4759 	uint32_t bl_pwm_ref_div1; /* in/out */
4760 	uint8_t is_backlight_on : 1; /* in/out */
4761 	uint8_t is_powered_on : 1; /* in/out */
4762 	uint8_t padding[3];
4763 	uint32_t bl_pwm_ref_div2; /* in/out */
4764 	uint8_t reserved[4];
4765 };
4766 
4767 /**
4768  * struct dmub_rb_cmd_panel_cntl - Panel control command.
4769  */
4770 struct dmub_rb_cmd_panel_cntl {
4771 	struct dmub_cmd_header header; /**< header */
4772 	struct dmub_cmd_panel_cntl_data data; /**< payload */
4773 };
4774 
4775 struct dmub_optc_state {
4776 	uint32_t v_total_max;
4777 	uint32_t v_total_min;
4778 	uint32_t tg_inst;
4779 };
4780 
4781 struct dmub_rb_cmd_drr_update {
4782 	struct dmub_cmd_header header;
4783 	struct dmub_optc_state dmub_optc_state_req;
4784 };
4785 
4786 struct dmub_cmd_fw_assisted_mclk_switch_pipe_data {
4787 	uint32_t pix_clk_100hz;
4788 	uint8_t max_ramp_step;
4789 	uint8_t pipes;
4790 	uint8_t min_refresh_in_hz;
4791 	uint8_t pipe_count;
4792 	uint8_t pipe_index[4];
4793 };
4794 
4795 struct dmub_cmd_fw_assisted_mclk_switch_config {
4796 	uint8_t fams_enabled;
4797 	uint8_t visual_confirm_enabled;
4798 	uint16_t vactive_stretch_margin_us; // Extra vblank stretch required when doing FPO + Vactive
4799 	struct dmub_cmd_fw_assisted_mclk_switch_pipe_data pipe_data[DMUB_MAX_FPO_STREAMS];
4800 };
4801 
4802 struct dmub_rb_cmd_fw_assisted_mclk_switch {
4803 	struct dmub_cmd_header header;
4804 	struct dmub_cmd_fw_assisted_mclk_switch_config config_data;
4805 };
4806 
4807 /**
4808  * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
4809  */
4810 struct dmub_cmd_lvtma_control_data {
4811 	uint8_t uc_pwr_action; /**< LVTMA_ACTION */
4812 	uint8_t bypass_panel_control_wait;
4813 	uint8_t reserved_0[2]; /**< For future use */
4814 	uint8_t pwrseq_inst; /**< LVTMA control instance */
4815 	uint8_t reserved_1[3]; /**< For future use */
4816 };
4817 
4818 /**
4819  * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
4820  */
4821 struct dmub_rb_cmd_lvtma_control {
4822 	/**
4823 	 * Command header.
4824 	 */
4825 	struct dmub_cmd_header header;
4826 	/**
4827 	 * Data passed from driver to FW in a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
4828 	 */
4829 	struct dmub_cmd_lvtma_control_data data;
4830 };
4831 
4832 /**
4833  * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
4834  */
4835 struct dmub_rb_cmd_transmitter_query_dp_alt_data {
4836 	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
4837 	uint8_t is_usb; /**< is phy is usb */
4838 	uint8_t is_dp_alt_disable; /**< is dp alt disable */
4839 	uint8_t is_dp4; /**< is dp in 4 lane */
4840 };
4841 
4842 /**
4843  * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
4844  */
4845 struct dmub_rb_cmd_transmitter_query_dp_alt {
4846 	struct dmub_cmd_header header; /**< header */
4847 	struct dmub_rb_cmd_transmitter_query_dp_alt_data data; /**< payload */
4848 };
4849 
4850 struct phy_test_mode {
4851 	uint8_t mode;
4852 	uint8_t pat0;
4853 	uint8_t pad[2];
4854 };
4855 
4856 /**
4857  * Data passed in/out in a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
4858  */
4859 struct dmub_rb_cmd_transmitter_set_phy_fsm_data {
4860 	uint8_t phy_id; /**< 0=UNIPHYA, 1=UNIPHYB, 2=UNIPHYC, 3=UNIPHYD, 4=UNIPHYE, 5=UNIPHYF */
4861 	uint8_t mode; /**< HDMI/DP/DP2 etc */
4862 	uint8_t lane_num; /**< Number of lanes */
4863 	uint32_t symclk_100Hz; /**< PLL symclock in 100hz */
4864 	struct phy_test_mode test_mode;
4865 	enum dmub_phy_fsm_state state;
4866 	uint32_t status;
4867 	uint8_t pad;
4868 };
4869 
4870 /**
4871  * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
4872  */
4873 struct dmub_rb_cmd_transmitter_set_phy_fsm {
4874 	struct dmub_cmd_header header; /**< header */
4875 	struct dmub_rb_cmd_transmitter_set_phy_fsm_data data; /**< payload */
4876 };
4877 
4878 /**
4879  * Maximum number of bytes a chunk sent to DMUB for parsing
4880  */
4881 #define DMUB_EDID_CEA_DATA_CHUNK_BYTES 8
4882 
4883 /**
4884  *  Represent a chunk of CEA blocks sent to DMUB for parsing
4885  */
4886 struct dmub_cmd_send_edid_cea {
4887 	uint16_t offset;	/**< offset into the CEA block */
4888 	uint8_t length;	/**< number of bytes in payload to copy as part of CEA block */
4889 	uint16_t cea_total_length;  /**< total length of the CEA block */
4890 	uint8_t payload[DMUB_EDID_CEA_DATA_CHUNK_BYTES]; /**< data chunk of the CEA block */
4891 	uint8_t pad[3]; /**< padding and for future expansion */
4892 };
4893 
4894 /**
4895  * Result of VSDB parsing from CEA block
4896  */
4897 struct dmub_cmd_edid_cea_amd_vsdb {
4898 	uint8_t vsdb_found;		/**< 1 if parsing has found valid AMD VSDB */
4899 	uint8_t freesync_supported;	/**< 1 if Freesync is supported */
4900 	uint16_t amd_vsdb_version;	/**< AMD VSDB version */
4901 	uint16_t min_frame_rate;	/**< Maximum frame rate */
4902 	uint16_t max_frame_rate;	/**< Minimum frame rate */
4903 };
4904 
4905 /**
4906  * Result of sending a CEA chunk
4907  */
4908 struct dmub_cmd_edid_cea_ack {
4909 	uint16_t offset;	/**< offset of the chunk into the CEA block */
4910 	uint8_t success;	/**< 1 if this sending of chunk succeeded */
4911 	uint8_t pad;		/**< padding and for future expansion */
4912 };
4913 
4914 /**
4915  * Specify whether the result is an ACK/NACK or the parsing has finished
4916  */
4917 enum dmub_cmd_edid_cea_reply_type {
4918 	DMUB_CMD__EDID_CEA_AMD_VSDB	= 1, /**< VSDB parsing has finished */
4919 	DMUB_CMD__EDID_CEA_ACK		= 2, /**< acknowledges the CEA sending is OK or failing */
4920 };
4921 
4922 /**
4923  * Definition of a DMUB_CMD__EDID_CEA command.
4924  */
4925 struct dmub_rb_cmd_edid_cea {
4926 	struct dmub_cmd_header header;	/**< Command header */
4927 	union dmub_cmd_edid_cea_data {
4928 		struct dmub_cmd_send_edid_cea input; /**< input to send CEA chunks */
4929 		struct dmub_cmd_edid_cea_output { /**< output with results */
4930 			uint8_t type;	/**< dmub_cmd_edid_cea_reply_type */
4931 			union {
4932 				struct dmub_cmd_edid_cea_amd_vsdb amd_vsdb;
4933 				struct dmub_cmd_edid_cea_ack ack;
4934 			};
4935 		} output;	/**< output to retrieve ACK/NACK or VSDB parsing results */
4936 	} data;	/**< Command data */
4937 
4938 };
4939 
4940 /**
4941  * struct dmub_cmd_cable_id_input - Defines the input of DMUB_CMD_GET_USBC_CABLE_ID command.
4942  */
4943 struct dmub_cmd_cable_id_input {
4944 	uint8_t phy_inst;  /**< phy inst for cable id data */
4945 };
4946 
4947 /**
4948  * struct dmub_cmd_cable_id_input - Defines the output of DMUB_CMD_GET_USBC_CABLE_ID command.
4949  */
4950 struct dmub_cmd_cable_id_output {
4951 	uint8_t UHBR10_20_CAPABILITY	:2; /**< b'01 for UHBR10 support, b'10 for both UHBR10 and UHBR20 support */
4952 	uint8_t UHBR13_5_CAPABILITY	:1; /**< b'1 for UHBR13.5 support */
4953 	uint8_t CABLE_TYPE		:3; /**< b'01 for passive cable, b'10 for active LRD cable, b'11 for active retimer cable */
4954 	uint8_t RESERVED		:2; /**< reserved means not defined */
4955 };
4956 
4957 /**
4958  * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command
4959  */
4960 struct dmub_rb_cmd_get_usbc_cable_id {
4961 	struct dmub_cmd_header header; /**< Command header */
4962 	/**
4963 	 * Data passed from driver to FW in a DMUB_CMD_GET_USBC_CABLE_ID command.
4964 	 */
4965 	union dmub_cmd_cable_id_data {
4966 		struct dmub_cmd_cable_id_input input; /**< Input */
4967 		struct dmub_cmd_cable_id_output output; /**< Output */
4968 		uint8_t output_raw; /**< Raw data output */
4969 	} data;
4970 };
4971 
4972 /**
4973  * Command type of a DMUB_CMD__SECURE_DISPLAY command
4974  */
4975 enum dmub_cmd_secure_display_type {
4976 	DMUB_CMD__SECURE_DISPLAY_TEST_CMD = 0,		/* test command to only check if inbox message works */
4977 	DMUB_CMD__SECURE_DISPLAY_CRC_STOP_UPDATE,
4978 	DMUB_CMD__SECURE_DISPLAY_CRC_WIN_NOTIFY
4979 };
4980 
4981 /**
4982  * Definition of a DMUB_CMD__SECURE_DISPLAY command
4983  */
4984 struct dmub_rb_cmd_secure_display {
4985 	struct dmub_cmd_header header;
4986 	/**
4987 	 * Data passed from driver to dmub firmware.
4988 	 */
4989 	struct dmub_cmd_roi_info {
4990 		uint16_t x_start;
4991 		uint16_t x_end;
4992 		uint16_t y_start;
4993 		uint16_t y_end;
4994 		uint8_t otg_id;
4995 		uint8_t phy_id;
4996 	} roi_info;
4997 };
4998 
4999 /**
5000  * Command type of a DMUB_CMD__PSP command
5001  */
5002 enum dmub_cmd_psp_type {
5003 	DMUB_CMD__PSP_ASSR_ENABLE = 0
5004 };
5005 
5006 /**
5007  * Data passed from driver to FW in a DMUB_CMD__PSP_ASSR_ENABLE command.
5008  */
5009 struct dmub_cmd_assr_enable_data {
5010 	/**
5011 	 * ASSR enable or disable.
5012 	 */
5013 	uint8_t enable;
5014 	/**
5015 	 * PHY port type.
5016 	 * Indicates eDP / non-eDP port type
5017 	 */
5018 	uint8_t phy_port_type;
5019 	/**
5020 	 * PHY port ID.
5021 	 */
5022 	uint8_t phy_port_id;
5023 	/**
5024 	 * Link encoder index.
5025 	 */
5026 	uint8_t link_enc_index;
5027 	/**
5028 	 * HPO mode.
5029 	 */
5030 	uint8_t hpo_mode;
5031 
5032 	/**
5033 	 * Reserved field.
5034 	 */
5035 	uint8_t reserved[7];
5036 };
5037 
5038 /**
5039  * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
5040  */
5041 struct dmub_rb_cmd_assr_enable {
5042 	/**
5043 	 * Command header.
5044 	 */
5045 	struct dmub_cmd_header header;
5046 
5047 	/**
5048 	 * Assr data.
5049 	 */
5050 	struct dmub_cmd_assr_enable_data assr_data;
5051 
5052 	/**
5053 	 * Reserved field.
5054 	 */
5055 	uint32_t reserved[3];
5056 };
5057 
5058 /**
5059  * union dmub_rb_cmd - DMUB inbox command.
5060  */
5061 union dmub_rb_cmd {
5062 	/**
5063 	 * Elements shared with all commands.
5064 	 */
5065 	struct dmub_rb_cmd_common cmd_common;
5066 	/**
5067 	 * Definition of a DMUB_CMD__REG_SEQ_READ_MODIFY_WRITE command.
5068 	 */
5069 	struct dmub_rb_cmd_read_modify_write read_modify_write;
5070 	/**
5071 	 * Definition of a DMUB_CMD__REG_SEQ_FIELD_UPDATE_SEQ command.
5072 	 */
5073 	struct dmub_rb_cmd_reg_field_update_sequence reg_field_update_seq;
5074 	/**
5075 	 * Definition of a DMUB_CMD__REG_SEQ_BURST_WRITE command.
5076 	 */
5077 	struct dmub_rb_cmd_burst_write burst_write;
5078 	/**
5079 	 * Definition of a DMUB_CMD__REG_REG_WAIT command.
5080 	 */
5081 	struct dmub_rb_cmd_reg_wait reg_wait;
5082 	/**
5083 	 * Definition of a DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL command.
5084 	 */
5085 	struct dmub_rb_cmd_digx_encoder_control digx_encoder_control;
5086 	/**
5087 	 * Definition of a DMUB_CMD__VBIOS_SET_PIXEL_CLOCK command.
5088 	 */
5089 	struct dmub_rb_cmd_set_pixel_clock set_pixel_clock;
5090 	/**
5091 	 * Definition of a DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING command.
5092 	 */
5093 	struct dmub_rb_cmd_enable_disp_power_gating enable_disp_power_gating;
5094 	/**
5095 	 * Definition of a DMUB_CMD__VBIOS_DPPHY_INIT command.
5096 	 */
5097 	struct dmub_rb_cmd_dpphy_init dpphy_init;
5098 	/**
5099 	 * Definition of a DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL command.
5100 	 */
5101 	struct dmub_rb_cmd_dig1_transmitter_control dig1_transmitter_control;
5102 	/**
5103 	 * Definition of a DMUB_CMD__VBIOS_DOMAIN_CONTROL command.
5104 	 */
5105 	struct dmub_rb_cmd_domain_control domain_control;
5106 	/**
5107 	 * Definition of a DMUB_CMD__PSR_SET_VERSION command.
5108 	 */
5109 	struct dmub_rb_cmd_psr_set_version psr_set_version;
5110 	/**
5111 	 * Definition of a DMUB_CMD__PSR_COPY_SETTINGS command.
5112 	 */
5113 	struct dmub_rb_cmd_psr_copy_settings psr_copy_settings;
5114 	/**
5115 	 * Definition of a DMUB_CMD__PSR_ENABLE command.
5116 	 */
5117 	struct dmub_rb_cmd_psr_enable psr_enable;
5118 	/**
5119 	 * Definition of a DMUB_CMD__PSR_SET_LEVEL command.
5120 	 */
5121 	struct dmub_rb_cmd_psr_set_level psr_set_level;
5122 	/**
5123 	 * Definition of a DMUB_CMD__PSR_FORCE_STATIC command.
5124 	 */
5125 	struct dmub_rb_cmd_psr_force_static psr_force_static;
5126 	/**
5127 	 * Definition of a DMUB_CMD__UPDATE_DIRTY_RECT command.
5128 	 */
5129 	struct dmub_rb_cmd_update_dirty_rect update_dirty_rect;
5130 	/**
5131 	 * Definition of a DMUB_CMD__UPDATE_CURSOR_INFO command.
5132 	 */
5133 	struct dmub_rb_cmd_update_cursor_info update_cursor_info;
5134 	/**
5135 	 * Definition of a DMUB_CMD__HW_LOCK command.
5136 	 * Command is used by driver and FW.
5137 	 */
5138 	struct dmub_rb_cmd_lock_hw lock_hw;
5139 	/**
5140 	 * Definition of a DMUB_CMD__SET_SINK_VTOTAL_IN_PSR_ACTIVE command.
5141 	 */
5142 	struct dmub_rb_cmd_psr_set_vtotal psr_set_vtotal;
5143 	/**
5144 	 * Definition of a DMUB_CMD__SET_PSR_POWER_OPT command.
5145 	 */
5146 	struct dmub_rb_cmd_psr_set_power_opt psr_set_power_opt;
5147 	/**
5148 	 * Definition of a DMUB_CMD__PLAT_54186_WA command.
5149 	 */
5150 	struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa;
5151 	/**
5152 	 * Definition of a DMUB_CMD__MALL command.
5153 	 */
5154 	struct dmub_rb_cmd_mall mall;
5155 
5156 	/**
5157 	 * Definition of a DMUB_CMD__CAB command.
5158 	 */
5159 	struct dmub_rb_cmd_cab_for_ss cab;
5160 
5161 	struct dmub_rb_cmd_fw_assisted_mclk_switch_v2 fw_assisted_mclk_switch_v2;
5162 
5163 	/**
5164 	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_RESTORE command.
5165 	 */
5166 	struct dmub_rb_cmd_idle_opt_dcn_restore dcn_restore;
5167 
5168 	/**
5169 	 * Definition of a DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS command.
5170 	 */
5171 	struct dmub_rb_cmd_clk_mgr_notify_clocks notify_clocks;
5172 
5173 	/**
5174 	 * Definition of DMUB_CMD__PANEL_CNTL commands.
5175 	 */
5176 	struct dmub_rb_cmd_panel_cntl panel_cntl;
5177 
5178 	/**
5179 	 * Definition of a DMUB_CMD__ABM_SET_PIPE command.
5180 	 */
5181 	struct dmub_rb_cmd_abm_set_pipe abm_set_pipe;
5182 
5183 	/**
5184 	 * Definition of a DMUB_CMD__ABM_SET_BACKLIGHT command.
5185 	 */
5186 	struct dmub_rb_cmd_abm_set_backlight abm_set_backlight;
5187 
5188 	/**
5189 	 * Definition of a DMUB_CMD__ABM_SET_LEVEL command.
5190 	 */
5191 	struct dmub_rb_cmd_abm_set_level abm_set_level;
5192 
5193 	/**
5194 	 * Definition of a DMUB_CMD__ABM_SET_AMBIENT_LEVEL command.
5195 	 */
5196 	struct dmub_rb_cmd_abm_set_ambient_level abm_set_ambient_level;
5197 
5198 	/**
5199 	 * Definition of a DMUB_CMD__ABM_SET_PWM_FRAC command.
5200 	 */
5201 	struct dmub_rb_cmd_abm_set_pwm_frac abm_set_pwm_frac;
5202 
5203 	/**
5204 	 * Definition of a DMUB_CMD__ABM_INIT_CONFIG command.
5205 	 */
5206 	struct dmub_rb_cmd_abm_init_config abm_init_config;
5207 
5208 	/**
5209 	 * Definition of a DMUB_CMD__ABM_PAUSE command.
5210 	 */
5211 	struct dmub_rb_cmd_abm_pause abm_pause;
5212 
5213 	/**
5214 	 * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.
5215 	 */
5216 	struct dmub_rb_cmd_abm_save_restore abm_save_restore;
5217 
5218 	/**
5219 	 * Definition of a DMUB_CMD__ABM_QUERY_CAPS command.
5220 	 */
5221 	struct dmub_rb_cmd_abm_query_caps abm_query_caps;
5222 
5223 	/**
5224 	 * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.
5225 	 */
5226 	struct dmub_rb_cmd_abm_get_ace_curve abm_get_ace_curve;
5227 
5228 	/**
5229 	 * Definition of a DMUB_CMD__ABM_SET_EVENT command.
5230 	 */
5231 	struct dmub_rb_cmd_abm_set_event abm_set_event;
5232 
5233 	/**
5234 	 * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
5235 	 */
5236 	struct dmub_rb_cmd_dp_aux_access dp_aux_access;
5237 
5238 	/**
5239 	 * Definition of a DMUB_CMD__OUTBOX1_ENABLE command.
5240 	 */
5241 	struct dmub_rb_cmd_outbox1_enable outbox1_enable;
5242 
5243 	/**
5244 	 * Definition of a DMUB_CMD__QUERY_FEATURE_CAPS command.
5245 	 */
5246 	struct dmub_rb_cmd_query_feature_caps query_feature_caps;
5247 
5248 	/**
5249 	 * Definition of a DMUB_CMD__GET_VISUAL_CONFIRM_COLOR command.
5250 	 */
5251 	struct dmub_rb_cmd_get_visual_confirm_color visual_confirm_color;
5252 	struct dmub_rb_cmd_drr_update drr_update;
5253 	struct dmub_rb_cmd_fw_assisted_mclk_switch fw_assisted_mclk_switch;
5254 
5255 	/**
5256 	 * Definition of a DMUB_CMD__VBIOS_LVTMA_CONTROL command.
5257 	 */
5258 	struct dmub_rb_cmd_lvtma_control lvtma_control;
5259 	/**
5260 	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_QUERY_DP_ALT command.
5261 	 */
5262 	struct dmub_rb_cmd_transmitter_query_dp_alt query_dp_alt;
5263 	/**
5264 	 * Definition of a DMUB_CMD__VBIOS_TRANSMITTER_SET_PHY_FSM command.
5265 	 */
5266 	struct dmub_rb_cmd_transmitter_set_phy_fsm set_phy_fsm;
5267 	/**
5268 	 * Definition of a DMUB_CMD__DPIA_DIG1_CONTROL command.
5269 	 */
5270 	struct dmub_rb_cmd_dig1_dpia_control dig1_dpia_control;
5271 	/**
5272 	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
5273 	 */
5274 	struct dmub_rb_cmd_set_config_access set_config_access;
5275 	/**
5276 	 * Definition of a DMUB_CMD__DPIA_MST_ALLOC_SLOTS command.
5277 	 */
5278 	struct dmub_rb_cmd_set_mst_alloc_slots set_mst_alloc_slots;
5279 	/**
5280 	 * Definition of a DMUB_CMD__EDID_CEA command.
5281 	 */
5282 	struct dmub_rb_cmd_edid_cea edid_cea;
5283 	/**
5284 	 * Definition of a DMUB_CMD_GET_USBC_CABLE_ID command.
5285 	 */
5286 	struct dmub_rb_cmd_get_usbc_cable_id cable_id;
5287 
5288 	/**
5289 	 * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
5290 	 */
5291 	struct dmub_rb_cmd_query_hpd_state query_hpd;
5292 	/**
5293 	 * Definition of a DMUB_CMD__SECURE_DISPLAY command.
5294 	 */
5295 	struct dmub_rb_cmd_secure_display secure_display;
5296 
5297 	/**
5298 	 * Definition of a DMUB_CMD__DPIA_HPD_INT_ENABLE command.
5299 	 */
5300 	struct dmub_rb_cmd_dpia_hpd_int_enable dpia_hpd_int_enable;
5301 	/**
5302 	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE command.
5303 	 */
5304 	struct dmub_rb_cmd_idle_opt_dcn_notify_idle idle_opt_notify_idle;
5305 	/*
5306 	 * Definition of a DMUB_CMD__REPLAY_COPY_SETTINGS command.
5307 	 */
5308 	struct dmub_rb_cmd_replay_copy_settings replay_copy_settings;
5309 	/**
5310 	 * Definition of a DMUB_CMD__REPLAY_ENABLE command.
5311 	 */
5312 	struct dmub_rb_cmd_replay_enable replay_enable;
5313 	/**
5314 	 * Definition of a DMUB_CMD__SET_REPLAY_POWER_OPT command.
5315 	 */
5316 	struct dmub_rb_cmd_replay_set_power_opt replay_set_power_opt;
5317 	/**
5318 	 * Definition of a DMUB_CMD__REPLAY_SET_COASTING_VTOTAL command.
5319 	 */
5320 	struct dmub_rb_cmd_replay_set_coasting_vtotal replay_set_coasting_vtotal;
5321 	/**
5322 	 * Definition of a DMUB_CMD__REPLAY_SET_POWER_OPT_AND_COASTING_VTOTAL command.
5323 	 */
5324 	struct dmub_rb_cmd_replay_set_power_opt_and_coasting_vtotal replay_set_power_opt_and_coasting_vtotal;
5325 
5326 	struct dmub_rb_cmd_replay_set_timing_sync replay_set_timing_sync;
5327 	/**
5328 	 * Definition of a DMUB_CMD__REPLAY_SET_RESIDENCY_FRAMEUPDATE_TIMER command.
5329 	 */
5330 	struct dmub_rb_cmd_replay_set_frameupdate_timer replay_set_frameupdate_timer;
5331 	/**
5332 	 * Definition of a DMUB_CMD__REPLAY_SET_PSEUDO_VTOTAL command.
5333 	 */
5334 	struct dmub_rb_cmd_replay_set_pseudo_vtotal replay_set_pseudo_vtotal;
5335 	/**
5336 	 * Definition of a DMUB_CMD__REPLAY_DISABLED_ADAPTIVE_SYNC_SDP command.
5337 	 */
5338 	struct dmub_rb_cmd_replay_disabled_adaptive_sync_sdp replay_disabled_adaptive_sync_sdp;
5339 	/**
5340 	 * Definition of a DMUB_CMD__REPLAY_SET_GENERAL_CMD command.
5341 	 */
5342 	struct dmub_rb_cmd_replay_set_general_cmd replay_set_general_cmd;
5343 	/**
5344 	 * Definition of a DMUB_CMD__PSP_ASSR_ENABLE command.
5345 	 */
5346 	struct dmub_rb_cmd_assr_enable assr_enable;
5347 	struct dmub_rb_cmd_fams2 fams2_config;
5348 
5349 	struct dmub_rb_cmd_fams2_drr_update fams2_drr_update;
5350 
5351 	struct dmub_rb_cmd_fams2_flip fams2_flip;
5352 };
5353 
5354 /**
5355  * union dmub_rb_out_cmd - Outbox command
5356  */
5357 union dmub_rb_out_cmd {
5358 	/**
5359 	 * Parameters common to every command.
5360 	 */
5361 	struct dmub_rb_cmd_common cmd_common;
5362 	/**
5363 	 * AUX reply command.
5364 	 */
5365 	struct dmub_rb_cmd_dp_aux_reply dp_aux_reply;
5366 	/**
5367 	 * HPD notify command.
5368 	 */
5369 	struct dmub_rb_cmd_dp_hpd_notify dp_hpd_notify;
5370 	/**
5371 	 * SET_CONFIG reply command.
5372 	 */
5373 	struct dmub_rb_cmd_dp_set_config_reply set_config_reply;
5374 	/**
5375 	 * DPIA notification command.
5376 	 */
5377 	struct dmub_rb_cmd_dpia_notification dpia_notification;
5378 	/**
5379 	 * HPD sense notification command.
5380 	 */
5381 	struct dmub_rb_cmd_hpd_sense_notify hpd_sense_notify;
5382 };
5383 #pragma pack(pop)
5384 
5385 
5386 //==============================================================================
5387 //</DMUB_CMD>===================================================================
5388 //==============================================================================
5389 //< DMUB_RB>====================================================================
5390 //==============================================================================
5391 
5392 /**
5393  * struct dmub_rb_init_params - Initialization params for DMUB ringbuffer
5394  */
5395 struct dmub_rb_init_params {
5396 	void *ctx; /**< Caller provided context pointer */
5397 	void *base_address; /**< CPU base address for ring's data */
5398 	uint32_t capacity; /**< Ringbuffer capacity in bytes */
5399 	uint32_t read_ptr; /**< Initial read pointer for consumer in bytes */
5400 	uint32_t write_ptr; /**< Initial write pointer for producer in bytes */
5401 };
5402 
5403 /**
5404  * struct dmub_rb - Inbox or outbox DMUB ringbuffer
5405  */
5406 struct dmub_rb {
5407 	void *base_address; /**< CPU address for the ring's data */
5408 	uint32_t rptr; /**< Read pointer for consumer in bytes */
5409 	uint32_t wrpt; /**< Write pointer for producer in bytes */
5410 	uint32_t capacity; /**< Ringbuffer capacity in bytes */
5411 
5412 	void *ctx; /**< Caller provided context pointer */
5413 	void *dmub; /**< Pointer to the DMUB interface */
5414 };
5415 
5416 /**
5417  * @brief Checks if the ringbuffer is empty.
5418  *
5419  * @param rb DMUB Ringbuffer
5420  * @return true if empty
5421  * @return false otherwise
5422  */
5423 static inline bool dmub_rb_empty(struct dmub_rb *rb)
5424 {
5425 	return (rb->wrpt == rb->rptr);
5426 }
5427 
5428 /**
5429  * @brief Checks if the ringbuffer is full
5430  *
5431  * @param rb DMUB Ringbuffer
5432  * @return true if full
5433  * @return false otherwise
5434  */
5435 static inline bool dmub_rb_full(struct dmub_rb *rb)
5436 {
5437 	uint32_t data_count;
5438 
5439 	if (rb->wrpt >= rb->rptr)
5440 		data_count = rb->wrpt - rb->rptr;
5441 	else
5442 		data_count = rb->capacity - (rb->rptr - rb->wrpt);
5443 
5444 	return (data_count == (rb->capacity - DMUB_RB_CMD_SIZE));
5445 }
5446 
5447 /**
5448  * @brief Pushes a command into the ringbuffer
5449  *
5450  * @param rb DMUB ringbuffer
5451  * @param cmd The command to push
5452  * @return true if the ringbuffer was not full
5453  * @return false otherwise
5454  */
5455 static inline bool dmub_rb_push_front(struct dmub_rb *rb,
5456 				      const union dmub_rb_cmd *cmd)
5457 {
5458 	uint64_t volatile *dst = (uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->wrpt);
5459 	const uint64_t *src = (const uint64_t *)cmd;
5460 	uint8_t i;
5461 
5462 	if (dmub_rb_full(rb))
5463 		return false;
5464 
5465 	// copying data
5466 	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
5467 		*dst++ = *src++;
5468 
5469 	rb->wrpt += DMUB_RB_CMD_SIZE;
5470 
5471 	if (rb->wrpt >= rb->capacity)
5472 		rb->wrpt %= rb->capacity;
5473 
5474 	return true;
5475 }
5476 
5477 /**
5478  * @brief Pushes a command into the DMUB outbox ringbuffer
5479  *
5480  * @param rb DMUB outbox ringbuffer
5481  * @param cmd Outbox command
5482  * @return true if not full
5483  * @return false otherwise
5484  */
5485 static inline bool dmub_rb_out_push_front(struct dmub_rb *rb,
5486 				      const union dmub_rb_out_cmd *cmd)
5487 {
5488 	uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt;
5489 	const uint8_t *src = (const uint8_t *)cmd;
5490 
5491 	if (dmub_rb_full(rb))
5492 		return false;
5493 
5494 	dmub_memcpy(dst, src, DMUB_RB_CMD_SIZE);
5495 
5496 	rb->wrpt += DMUB_RB_CMD_SIZE;
5497 
5498 	if (rb->wrpt >= rb->capacity)
5499 		rb->wrpt %= rb->capacity;
5500 
5501 	return true;
5502 }
5503 
5504 /**
5505  * @brief Returns the next unprocessed command in the ringbuffer.
5506  *
5507  * @param rb DMUB ringbuffer
5508  * @param cmd The command to return
5509  * @return true if not empty
5510  * @return false otherwise
5511  */
5512 static inline bool dmub_rb_front(struct dmub_rb *rb,
5513 				 union dmub_rb_cmd  **cmd)
5514 {
5515 	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rb->rptr;
5516 
5517 	if (dmub_rb_empty(rb))
5518 		return false;
5519 
5520 	*cmd = (union dmub_rb_cmd *)rb_cmd;
5521 
5522 	return true;
5523 }
5524 
5525 /**
5526  * @brief Determines the next ringbuffer offset.
5527  *
5528  * @param rb DMUB inbox ringbuffer
5529  * @param num_cmds Number of commands
5530  * @param next_rptr The next offset in the ringbuffer
5531  */
5532 static inline void dmub_rb_get_rptr_with_offset(struct dmub_rb *rb,
5533 				  uint32_t num_cmds,
5534 				  uint32_t *next_rptr)
5535 {
5536 	*next_rptr = rb->rptr + DMUB_RB_CMD_SIZE * num_cmds;
5537 
5538 	if (*next_rptr >= rb->capacity)
5539 		*next_rptr %= rb->capacity;
5540 }
5541 
5542 /**
5543  * @brief Returns a pointer to a command in the inbox.
5544  *
5545  * @param rb DMUB inbox ringbuffer
5546  * @param cmd The inbox command to return
5547  * @param rptr The ringbuffer offset
5548  * @return true if not empty
5549  * @return false otherwise
5550  */
5551 static inline bool dmub_rb_peek_offset(struct dmub_rb *rb,
5552 				 union dmub_rb_cmd  **cmd,
5553 				 uint32_t rptr)
5554 {
5555 	uint8_t *rb_cmd = (uint8_t *)(rb->base_address) + rptr;
5556 
5557 	if (dmub_rb_empty(rb))
5558 		return false;
5559 
5560 	*cmd = (union dmub_rb_cmd *)rb_cmd;
5561 
5562 	return true;
5563 }
5564 
5565 /**
5566  * @brief Returns the next unprocessed command in the outbox.
5567  *
5568  * @param rb DMUB outbox ringbuffer
5569  * @param cmd The outbox command to return
5570  * @return true if not empty
5571  * @return false otherwise
5572  */
5573 static inline bool dmub_rb_out_front(struct dmub_rb *rb,
5574 				 union dmub_rb_out_cmd *cmd)
5575 {
5576 	const uint64_t volatile *src = (const uint64_t volatile *)((uint8_t *)(rb->base_address) + rb->rptr);
5577 	uint64_t *dst = (uint64_t *)cmd;
5578 	uint8_t i;
5579 
5580 	if (dmub_rb_empty(rb))
5581 		return false;
5582 
5583 	// copying data
5584 	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
5585 		*dst++ = *src++;
5586 
5587 	return true;
5588 }
5589 
5590 /**
5591  * @brief Removes the front entry in the ringbuffer.
5592  *
5593  * @param rb DMUB ringbuffer
5594  * @return true if the command was removed
5595  * @return false if there were no commands
5596  */
5597 static inline bool dmub_rb_pop_front(struct dmub_rb *rb)
5598 {
5599 	if (dmub_rb_empty(rb))
5600 		return false;
5601 
5602 	rb->rptr += DMUB_RB_CMD_SIZE;
5603 
5604 	if (rb->rptr >= rb->capacity)
5605 		rb->rptr %= rb->capacity;
5606 
5607 	return true;
5608 }
5609 
5610 /**
5611  * @brief Flushes commands in the ringbuffer to framebuffer memory.
5612  *
5613  * Avoids a race condition where DMCUB accesses memory while
5614  * there are still writes in flight to framebuffer.
5615  *
5616  * @param rb DMUB ringbuffer
5617  */
5618 static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
5619 {
5620 	uint32_t rptr = rb->rptr;
5621 	uint32_t wptr = rb->wrpt;
5622 
5623 	while (rptr != wptr) {
5624 		uint64_t *data = (uint64_t *)((uint8_t *)(rb->base_address) + rptr);
5625 		uint8_t i;
5626 
5627 		for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
5628 			(void)READ_ONCE(*data++);
5629 
5630 		rptr += DMUB_RB_CMD_SIZE;
5631 		if (rptr >= rb->capacity)
5632 			rptr %= rb->capacity;
5633 	}
5634 }
5635 
5636 /**
5637  * @brief Initializes a DMCUB ringbuffer
5638  *
5639  * @param rb DMUB ringbuffer
5640  * @param init_params initial configuration for the ringbuffer
5641  */
5642 static inline void dmub_rb_init(struct dmub_rb *rb,
5643 				struct dmub_rb_init_params *init_params)
5644 {
5645 	rb->base_address = init_params->base_address;
5646 	rb->capacity = init_params->capacity;
5647 	rb->rptr = init_params->read_ptr;
5648 	rb->wrpt = init_params->write_ptr;
5649 }
5650 
5651 /**
5652  * @brief Copies output data from in/out commands into the given command.
5653  *
5654  * @param rb DMUB ringbuffer
5655  * @param cmd Command to copy data into
5656  */
5657 static inline void dmub_rb_get_return_data(struct dmub_rb *rb,
5658 					   union dmub_rb_cmd *cmd)
5659 {
5660 	// Copy rb entry back into command
5661 	uint8_t *rd_ptr = (rb->rptr == 0) ?
5662 		(uint8_t *)rb->base_address + rb->capacity - DMUB_RB_CMD_SIZE :
5663 		(uint8_t *)rb->base_address + rb->rptr - DMUB_RB_CMD_SIZE;
5664 
5665 	dmub_memcpy(cmd, rd_ptr, DMUB_RB_CMD_SIZE);
5666 }
5667 
5668 //==============================================================================
5669 //</DMUB_RB>====================================================================
5670 //==============================================================================
5671 #endif /* _DMUB_CMD_H_ */
5672