xref: /linux/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c (revision 5027ec19f1049a07df5b0a37b1f462514cf2724b)
1 /*
2  * Copyright 2012-15 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 #include "dm_services.h"
27 #include "core_types.h"
28 
29 #include "ObjectID.h"
30 #include "atomfirmware.h"
31 
32 #include "dc_bios_types.h"
33 #include "include/grph_object_ctrl_defs.h"
34 #include "include/bios_parser_interface.h"
35 #include "include/logger_interface.h"
36 
37 #include "command_table2.h"
38 
39 #include "bios_parser_helper.h"
40 #include "command_table_helper2.h"
41 #include "bios_parser2.h"
42 #include "bios_parser_types_internal2.h"
43 #include "bios_parser_interface.h"
44 
45 #include "bios_parser_common.h"
46 
47 #define DC_LOGGER \
48 	bp->base.ctx->logger
49 
50 #define LAST_RECORD_TYPE 0xff
51 #define SMU9_SYSPLL0_ID  0
52 
53 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
54 	struct atom_i2c_record *record,
55 	struct graphics_object_i2c_info *info);
56 
57 static enum bp_result bios_parser_get_firmware_info(
58 	struct dc_bios *dcb,
59 	struct dc_firmware_info *info);
60 
61 static enum bp_result bios_parser_get_encoder_cap_info(
62 	struct dc_bios *dcb,
63 	struct graphics_object_id object_id,
64 	struct bp_encoder_cap_info *info);
65 
66 static enum bp_result get_firmware_info_v3_1(
67 	struct bios_parser *bp,
68 	struct dc_firmware_info *info);
69 
70 static enum bp_result get_firmware_info_v3_2(
71 	struct bios_parser *bp,
72 	struct dc_firmware_info *info);
73 
74 static enum bp_result get_firmware_info_v3_4(
75 	struct bios_parser *bp,
76 	struct dc_firmware_info *info);
77 
78 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
79 		struct atom_display_object_path_v2 *object);
80 
81 static struct atom_encoder_caps_record *get_encoder_cap_record(
82 	struct bios_parser *bp,
83 	struct atom_display_object_path_v2 *object);
84 
85 #define BIOS_IMAGE_SIZE_OFFSET 2
86 #define BIOS_IMAGE_SIZE_UNIT 512
87 
88 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
89 
90 static void bios_parser2_destruct(struct bios_parser *bp)
91 {
92 	kfree(bp->base.bios_local_image);
93 	kfree(bp->base.integrated_info);
94 }
95 
96 static void firmware_parser_destroy(struct dc_bios **dcb)
97 {
98 	struct bios_parser *bp = BP_FROM_DCB(*dcb);
99 
100 	if (!bp) {
101 		BREAK_TO_DEBUGGER();
102 		return;
103 	}
104 
105 	bios_parser2_destruct(bp);
106 
107 	kfree(bp);
108 	*dcb = NULL;
109 }
110 
111 static void get_atom_data_table_revision(
112 	struct atom_common_table_header *atom_data_tbl,
113 	struct atom_data_revision *tbl_revision)
114 {
115 	if (!tbl_revision)
116 		return;
117 
118 	/* initialize the revision to 0 which is invalid revision */
119 	tbl_revision->major = 0;
120 	tbl_revision->minor = 0;
121 
122 	if (!atom_data_tbl)
123 		return;
124 
125 	tbl_revision->major =
126 			(uint32_t) atom_data_tbl->format_revision & 0x3f;
127 	tbl_revision->minor =
128 			(uint32_t) atom_data_tbl->content_revision & 0x3f;
129 }
130 
131 /* BIOS oject table displaypath is per connector.
132  * There is extra path not for connector. BIOS fill its encoderid as 0
133  */
134 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
135 {
136 	struct bios_parser *bp = BP_FROM_DCB(dcb);
137 	unsigned int count = 0;
138 	unsigned int i;
139 
140 	switch (bp->object_info_tbl.revision.minor) {
141 	default:
142 	case 4:
143 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++)
144 			if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
145 				count++;
146 
147 		break;
148 
149 	case 5:
150 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++)
151 			if (bp->object_info_tbl.v1_5->display_path[i].encoderobjid != 0)
152 				count++;
153 
154 		break;
155 	}
156 	return count;
157 }
158 
159 static struct graphics_object_id bios_parser_get_connector_id(
160 	struct dc_bios *dcb,
161 	uint8_t i)
162 {
163 	struct bios_parser *bp = BP_FROM_DCB(dcb);
164 	struct graphics_object_id object_id = dal_graphics_object_id_init(
165 		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
166 	struct object_info_table *tbl = &bp->object_info_tbl;
167 	struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
168 
169 	struct display_object_info_table_v1_5 *v1_5 = tbl->v1_5;
170 
171 	switch (bp->object_info_tbl.revision.minor) {
172 	default:
173 	case 4:
174 		if (v1_4->number_of_path > i) {
175 			/* If display_objid is generic object id,  the encoderObj
176 			 * /extencoderobjId should be 0
177 			 */
178 			if (v1_4->display_path[i].encoderobjid != 0 &&
179 			    v1_4->display_path[i].display_objid != 0)
180 				object_id = object_id_from_bios_object_id(
181 					v1_4->display_path[i].display_objid);
182 		}
183 		break;
184 
185 	case 5:
186 		if (v1_5->number_of_path > i) {
187 			/* If display_objid is generic object id,  the encoderObjId
188 		 * should be 0
189 		 */
190 			if (v1_5->display_path[i].encoderobjid != 0 &&
191 			    v1_5->display_path[i].display_objid != 0)
192 				object_id = object_id_from_bios_object_id(
193 					v1_5->display_path[i].display_objid);
194 		}
195 		break;
196 	}
197 	return object_id;
198 }
199 
200 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
201 	struct graphics_object_id object_id, uint32_t index,
202 	struct graphics_object_id *src_object_id)
203 {
204 	struct bios_parser *bp = BP_FROM_DCB(dcb);
205 	unsigned int i;
206 	enum bp_result bp_result = BP_RESULT_BADINPUT;
207 	struct graphics_object_id obj_id = { 0 };
208 	struct object_info_table *tbl = &bp->object_info_tbl;
209 
210 	if (!src_object_id)
211 		return bp_result;
212 
213 	switch (object_id.type) {
214 	/* Encoder's Source is GPU.  BIOS does not provide GPU, since all
215 	 * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
216 	 */
217 	case OBJECT_TYPE_ENCODER:
218 		/* TODO: since num of src must be less than 2.
219 		 * If found in for loop, should break.
220 		 * DAL2 implementation may be changed too
221 		 */
222 		switch (bp->object_info_tbl.revision.minor) {
223 		default:
224 		case 4:
225 			for (i = 0; i < tbl->v1_4->number_of_path; i++) {
226 				obj_id = object_id_from_bios_object_id(
227 					tbl->v1_4->display_path[i].encoderobjid);
228 				if (object_id.type == obj_id.type &&
229 				    object_id.id == obj_id.id &&
230 				    object_id.enum_id == obj_id.enum_id) {
231 					*src_object_id =
232 						object_id_from_bios_object_id(
233 							0x1100);
234 					/* break; */
235 				}
236 			}
237 			bp_result = BP_RESULT_OK;
238 			break;
239 
240 		case 5:
241 			for (i = 0; i < tbl->v1_5->number_of_path; i++) {
242 				obj_id = object_id_from_bios_object_id(
243 					tbl->v1_5->display_path[i].encoderobjid);
244 				if (object_id.type == obj_id.type &&
245 				    object_id.id == obj_id.id &&
246 				    object_id.enum_id == obj_id.enum_id) {
247 					*src_object_id =
248 						object_id_from_bios_object_id(
249 							0x1100);
250 					/* break; */
251 				}
252 			}
253 			bp_result = BP_RESULT_OK;
254 			break;
255 		}
256 		break;
257 	case OBJECT_TYPE_CONNECTOR:
258 		switch (bp->object_info_tbl.revision.minor) {
259 		default:
260 		case 4:
261 			for (i = 0; i < tbl->v1_4->number_of_path; i++) {
262 				obj_id = object_id_from_bios_object_id(
263 					tbl->v1_4->display_path[i]
264 						.display_objid);
265 
266 				if (object_id.type == obj_id.type &&
267 				    object_id.id == obj_id.id &&
268 				    object_id.enum_id == obj_id.enum_id) {
269 					*src_object_id =
270 						object_id_from_bios_object_id(
271 							tbl->v1_4
272 								->display_path[i]
273 								.encoderobjid);
274 					/* break; */
275 				}
276 			}
277 			bp_result = BP_RESULT_OK;
278 			break;
279 		}
280 		bp_result = BP_RESULT_OK;
281 		break;
282 		case 5:
283 			for (i = 0; i < tbl->v1_5->number_of_path; i++) {
284 				obj_id = object_id_from_bios_object_id(
285 								       tbl->v1_5->display_path[i].display_objid);
286 
287 				if (object_id.type == obj_id.type &&
288 				    object_id.id == obj_id.id &&
289 				    object_id.enum_id == obj_id.enum_id) {
290 					*src_object_id = object_id_from_bios_object_id(
291 										       tbl->v1_5->display_path[i].encoderobjid);
292 					/* break; */
293 				}
294 			}
295 		bp_result = BP_RESULT_OK;
296 		break;
297 
298 	default:
299 		bp_result = BP_RESULT_OK;
300 		break;
301 	}
302 
303 	return bp_result;
304 }
305 
306 /* from graphics_object_id, find display path which includes the object_id */
307 static struct atom_display_object_path_v2 *get_bios_object(
308 		struct bios_parser *bp,
309 		struct graphics_object_id id)
310 {
311 	unsigned int i;
312 	struct graphics_object_id obj_id = {0};
313 
314 	switch (id.type) {
315 	case OBJECT_TYPE_ENCODER:
316 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
317 			obj_id = object_id_from_bios_object_id(
318 					bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
319 			if (id.type == obj_id.type && id.id == obj_id.id
320 					&& id.enum_id == obj_id.enum_id)
321 				return &bp->object_info_tbl.v1_4->display_path[i];
322 		}
323 		fallthrough;
324 	case OBJECT_TYPE_CONNECTOR:
325 	case OBJECT_TYPE_GENERIC:
326 		/* Both Generic and Connector Object ID
327 		 * will be stored on display_objid
328 		 */
329 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
330 			obj_id = object_id_from_bios_object_id(
331 					bp->object_info_tbl.v1_4->display_path[i].display_objid);
332 			if (id.type == obj_id.type && id.id == obj_id.id
333 					&& id.enum_id == obj_id.enum_id)
334 				return &bp->object_info_tbl.v1_4->display_path[i];
335 		}
336 		fallthrough;
337 	default:
338 		return NULL;
339 	}
340 }
341 
342 /* from graphics_object_id, find display path which includes the object_id */
343 static struct atom_display_object_path_v3 *get_bios_object_from_path_v3(struct bios_parser *bp,
344 									struct graphics_object_id id)
345 {
346 	unsigned int i;
347 	struct graphics_object_id obj_id = {0};
348 
349 	switch (id.type) {
350 	case OBJECT_TYPE_ENCODER:
351 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
352 			obj_id = object_id_from_bios_object_id(
353 					bp->object_info_tbl.v1_5->display_path[i].encoderobjid);
354 			if (id.type == obj_id.type && id.id == obj_id.id
355 					&& id.enum_id == obj_id.enum_id)
356 				return &bp->object_info_tbl.v1_5->display_path[i];
357 		}
358 	break;
359 
360 	case OBJECT_TYPE_CONNECTOR:
361 	case OBJECT_TYPE_GENERIC:
362 		/* Both Generic and Connector Object ID
363 		 * will be stored on display_objid
364 		 */
365 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
366 			obj_id = object_id_from_bios_object_id(
367 					bp->object_info_tbl.v1_5->display_path[i].display_objid);
368 			if (id.type == obj_id.type && id.id == obj_id.id
369 					&& id.enum_id == obj_id.enum_id)
370 				return &bp->object_info_tbl.v1_5->display_path[i];
371 		}
372 	break;
373 
374 	default:
375 		return NULL;
376 	}
377 
378 	return NULL;
379 }
380 
381 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
382 	struct graphics_object_id id,
383 	struct graphics_object_i2c_info *info)
384 {
385 	uint32_t offset;
386 	struct atom_display_object_path_v2 *object;
387 
388 	struct atom_display_object_path_v3 *object_path_v3;
389 
390 	struct atom_common_record_header *header;
391 	struct atom_i2c_record *record;
392 	struct atom_i2c_record dummy_record = {0};
393 	struct bios_parser *bp = BP_FROM_DCB(dcb);
394 
395 	if (!info)
396 		return BP_RESULT_BADINPUT;
397 
398 	if (id.type == OBJECT_TYPE_GENERIC) {
399 		dummy_record.i2c_id = id.id;
400 
401 		if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
402 			return BP_RESULT_OK;
403 		else
404 			return BP_RESULT_NORECORD;
405 	}
406 
407 	switch (bp->object_info_tbl.revision.minor) {
408 	case 4:
409 	default:
410 		object = get_bios_object(bp, id);
411 
412 		if (!object)
413 			return BP_RESULT_BADINPUT;
414 
415 		offset = object->disp_recordoffset + bp->object_info_tbl_offset;
416 		break;
417 	case 5:
418 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
419 
420 		if (!object_path_v3)
421 			return BP_RESULT_BADINPUT;
422 
423 		offset = object_path_v3->disp_recordoffset + bp->object_info_tbl_offset;
424 		break;
425 	}
426 
427 	for (;;) {
428 		header = GET_IMAGE(struct atom_common_record_header, offset);
429 
430 		if (!header)
431 			return BP_RESULT_BADBIOSTABLE;
432 
433 		if (header->record_type == LAST_RECORD_TYPE ||
434 			!header->record_size)
435 			break;
436 
437 		if (header->record_type == ATOM_I2C_RECORD_TYPE
438 			&& sizeof(struct atom_i2c_record) <=
439 							header->record_size) {
440 			/* get the I2C info */
441 			record = (struct atom_i2c_record *) header;
442 
443 			if (get_gpio_i2c_info(bp, record, info) ==
444 								BP_RESULT_OK)
445 				return BP_RESULT_OK;
446 		}
447 
448 		offset += header->record_size;
449 	}
450 
451 	return BP_RESULT_NORECORD;
452 }
453 
454 static enum bp_result get_gpio_i2c_info(
455 	struct bios_parser *bp,
456 	struct atom_i2c_record *record,
457 	struct graphics_object_i2c_info *info)
458 {
459 	struct atom_gpio_pin_lut_v2_1 *header;
460 	uint32_t count = 0;
461 	unsigned int table_index = 0;
462 	bool find_valid = false;
463 	struct atom_gpio_pin_assignment *pin;
464 
465 	if (!info)
466 		return BP_RESULT_BADINPUT;
467 
468 	/* get the GPIO_I2C info */
469 	if (!DATA_TABLES(gpio_pin_lut))
470 		return BP_RESULT_BADBIOSTABLE;
471 
472 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
473 					DATA_TABLES(gpio_pin_lut));
474 	if (!header)
475 		return BP_RESULT_BADBIOSTABLE;
476 
477 	if (sizeof(struct atom_common_table_header) +
478 			sizeof(struct atom_gpio_pin_assignment)	>
479 			le16_to_cpu(header->table_header.structuresize))
480 		return BP_RESULT_BADBIOSTABLE;
481 
482 	/* TODO: is version change? */
483 	if (header->table_header.content_revision != 1)
484 		return BP_RESULT_UNSUPPORTED;
485 
486 	/* get data count */
487 	count = (le16_to_cpu(header->table_header.structuresize)
488 			- sizeof(struct atom_common_table_header))
489 				/ sizeof(struct atom_gpio_pin_assignment);
490 
491 	pin = (struct atom_gpio_pin_assignment *) header->gpio_pin;
492 
493 	for (table_index = 0; table_index < count; table_index++) {
494 		if (((record->i2c_id & I2C_HW_CAP) 				== (pin->gpio_id & I2C_HW_CAP)) &&
495 		    ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)	== (pin->gpio_id & I2C_HW_ENGINE_ID_MASK)) &&
496 		    ((record->i2c_id & I2C_HW_LANE_MUX) 		== (pin->gpio_id & I2C_HW_LANE_MUX))) {
497 			/* still valid */
498 			find_valid = true;
499 			break;
500 		}
501 		pin = (struct atom_gpio_pin_assignment *)((uint8_t *)pin + sizeof(struct atom_gpio_pin_assignment));
502 	}
503 
504 	/* If we don't find the entry that we are looking for then
505 	 *  we will return BP_Result_BadBiosTable.
506 	 */
507 	if (find_valid == false)
508 		return BP_RESULT_BADBIOSTABLE;
509 
510 	/* get the GPIO_I2C_INFO */
511 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
512 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
513 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
514 	info->i2c_slave_address = record->i2c_slave_addr;
515 
516 	/* TODO: check how to get register offset for en, Y, etc. */
517 	info->gpio_info.clk_a_register_index = le16_to_cpu(pin->data_a_reg_index);
518 	info->gpio_info.clk_a_shift = pin->gpio_bitshift;
519 
520 	return BP_RESULT_OK;
521 }
522 
523 static struct atom_hpd_int_record *get_hpd_record_for_path_v3(struct bios_parser *bp,
524 							      struct atom_display_object_path_v3 *object)
525 {
526 	struct atom_common_record_header *header;
527 	uint32_t offset;
528 
529 	if (!object) {
530 		BREAK_TO_DEBUGGER(); /* Invalid object */
531 		return NULL;
532 	}
533 
534 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
535 
536 	for (;;) {
537 		header = GET_IMAGE(struct atom_common_record_header, offset);
538 
539 		if (!header)
540 			return NULL;
541 
542 		if (header->record_type == ATOM_RECORD_END_TYPE ||
543 			!header->record_size)
544 			break;
545 
546 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
547 			&& sizeof(struct atom_hpd_int_record) <=
548 							header->record_size)
549 			return (struct atom_hpd_int_record *) header;
550 
551 		offset += header->record_size;
552 	}
553 
554 	return NULL;
555 }
556 
557 static enum bp_result bios_parser_get_hpd_info(
558 	struct dc_bios *dcb,
559 	struct graphics_object_id id,
560 	struct graphics_object_hpd_info *info)
561 {
562 	struct bios_parser *bp = BP_FROM_DCB(dcb);
563 	struct atom_display_object_path_v2 *object;
564 	struct atom_display_object_path_v3 *object_path_v3;
565 	struct atom_hpd_int_record *record = NULL;
566 
567 	if (!info)
568 		return BP_RESULT_BADINPUT;
569 
570 	switch (bp->object_info_tbl.revision.minor) {
571 	case 4:
572 	default:
573 		object = get_bios_object(bp, id);
574 
575 		if (!object)
576 			return BP_RESULT_BADINPUT;
577 
578 		record = get_hpd_record(bp, object);
579 		break;
580 	case 5:
581 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
582 
583 		if (!object_path_v3)
584 			return BP_RESULT_BADINPUT;
585 
586 		record = get_hpd_record_for_path_v3(bp, object_path_v3);
587 		break;
588 	}
589 
590 	if (record != NULL) {
591 		info->hpd_int_gpio_uid = record->pin_id;
592 		info->hpd_active = record->plugin_pin_state;
593 		return BP_RESULT_OK;
594 	}
595 
596 	return BP_RESULT_NORECORD;
597 }
598 
599 static struct atom_hpd_int_record *get_hpd_record(
600 	struct bios_parser *bp,
601 	struct atom_display_object_path_v2 *object)
602 {
603 	struct atom_common_record_header *header;
604 	uint32_t offset;
605 
606 	if (!object) {
607 		BREAK_TO_DEBUGGER(); /* Invalid object */
608 		return NULL;
609 	}
610 
611 	offset = le16_to_cpu(object->disp_recordoffset)
612 			+ bp->object_info_tbl_offset;
613 
614 	for (;;) {
615 		header = GET_IMAGE(struct atom_common_record_header, offset);
616 
617 		if (!header)
618 			return NULL;
619 
620 		if (header->record_type == LAST_RECORD_TYPE ||
621 			!header->record_size)
622 			break;
623 
624 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
625 			&& sizeof(struct atom_hpd_int_record) <=
626 							header->record_size)
627 			return (struct atom_hpd_int_record *) header;
628 
629 		offset += header->record_size;
630 	}
631 
632 	return NULL;
633 }
634 
635 /**
636  * bios_parser_get_gpio_pin_info
637  * Get GpioPin information of input gpio id
638  *
639  * @dcb:     pointer to the DC BIOS
640  * @gpio_id: GPIO ID
641  * @info:    GpioPin information structure
642  * return: Bios parser result code
643  * note:
644  *  to get the GPIO PIN INFO, we need:
645  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
646  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
647  *	to get the registerA  offset/mask
648  */
649 static enum bp_result bios_parser_get_gpio_pin_info(
650 	struct dc_bios *dcb,
651 	uint32_t gpio_id,
652 	struct gpio_pin_info *info)
653 {
654 	struct bios_parser *bp = BP_FROM_DCB(dcb);
655 	struct atom_gpio_pin_lut_v2_1 *header;
656 	uint32_t count = 0;
657 	uint32_t i = 0;
658 
659 	if (!DATA_TABLES(gpio_pin_lut))
660 		return BP_RESULT_BADBIOSTABLE;
661 
662 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
663 						DATA_TABLES(gpio_pin_lut));
664 	if (!header)
665 		return BP_RESULT_BADBIOSTABLE;
666 
667 	if (sizeof(struct atom_common_table_header) +
668 			sizeof(struct atom_gpio_pin_assignment)
669 			> le16_to_cpu(header->table_header.structuresize))
670 		return BP_RESULT_BADBIOSTABLE;
671 
672 	if (header->table_header.content_revision != 1)
673 		return BP_RESULT_UNSUPPORTED;
674 
675 	/* Temporary hard code gpio pin info */
676 	count = (le16_to_cpu(header->table_header.structuresize)
677 			- sizeof(struct atom_common_table_header))
678 				/ sizeof(struct atom_gpio_pin_assignment);
679 	for (i = 0; i < count; ++i) {
680 		if (header->gpio_pin[i].gpio_id != gpio_id)
681 			continue;
682 
683 		info->offset =
684 			(uint32_t) le16_to_cpu(
685 					header->gpio_pin[i].data_a_reg_index);
686 		info->offset_y = info->offset + 2;
687 		info->offset_en = info->offset + 1;
688 		info->offset_mask = info->offset - 1;
689 
690 		info->mask = (uint32_t) (1 <<
691 			header->gpio_pin[i].gpio_bitshift);
692 		info->mask_y = info->mask + 2;
693 		info->mask_en = info->mask + 1;
694 		info->mask_mask = info->mask - 1;
695 
696 		return BP_RESULT_OK;
697 	}
698 
699 	return BP_RESULT_NORECORD;
700 }
701 
702 static struct device_id device_type_from_device_id(uint16_t device_id)
703 {
704 
705 	struct device_id result_device_id;
706 
707 	result_device_id.raw_device_tag = device_id;
708 
709 	switch (device_id) {
710 	case ATOM_DISPLAY_LCD1_SUPPORT:
711 		result_device_id.device_type = DEVICE_TYPE_LCD;
712 		result_device_id.enum_id = 1;
713 		break;
714 
715 	case ATOM_DISPLAY_LCD2_SUPPORT:
716 		result_device_id.device_type = DEVICE_TYPE_LCD;
717 		result_device_id.enum_id = 2;
718 		break;
719 
720 	case ATOM_DISPLAY_DFP1_SUPPORT:
721 		result_device_id.device_type = DEVICE_TYPE_DFP;
722 		result_device_id.enum_id = 1;
723 		break;
724 
725 	case ATOM_DISPLAY_DFP2_SUPPORT:
726 		result_device_id.device_type = DEVICE_TYPE_DFP;
727 		result_device_id.enum_id = 2;
728 		break;
729 
730 	case ATOM_DISPLAY_DFP3_SUPPORT:
731 		result_device_id.device_type = DEVICE_TYPE_DFP;
732 		result_device_id.enum_id = 3;
733 		break;
734 
735 	case ATOM_DISPLAY_DFP4_SUPPORT:
736 		result_device_id.device_type = DEVICE_TYPE_DFP;
737 		result_device_id.enum_id = 4;
738 		break;
739 
740 	case ATOM_DISPLAY_DFP5_SUPPORT:
741 		result_device_id.device_type = DEVICE_TYPE_DFP;
742 		result_device_id.enum_id = 5;
743 		break;
744 
745 	case ATOM_DISPLAY_DFP6_SUPPORT:
746 		result_device_id.device_type = DEVICE_TYPE_DFP;
747 		result_device_id.enum_id = 6;
748 		break;
749 
750 	default:
751 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
752 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
753 		result_device_id.enum_id = 0;
754 	}
755 	return result_device_id;
756 }
757 
758 static enum bp_result bios_parser_get_device_tag(
759 	struct dc_bios *dcb,
760 	struct graphics_object_id connector_object_id,
761 	uint32_t device_tag_index,
762 	struct connector_device_tag_info *info)
763 {
764 	struct bios_parser *bp = BP_FROM_DCB(dcb);
765 	struct atom_display_object_path_v2 *object;
766 
767 	struct atom_display_object_path_v3 *object_path_v3;
768 
769 
770 	if (!info)
771 		return BP_RESULT_BADINPUT;
772 
773 	switch (bp->object_info_tbl.revision.minor) {
774 	case 4:
775 	default:
776 	        /* getBiosObject will return MXM object */
777 		object = get_bios_object(bp, connector_object_id);
778 
779 		if (!object) {
780 			BREAK_TO_DEBUGGER(); /* Invalid object id */
781 			return BP_RESULT_BADINPUT;
782 		}
783 
784 		info->acpi_device = 0; /* BIOS no longer provides this */
785 		info->dev_id = device_type_from_device_id(object->device_tag);
786 		break;
787 	case 5:
788 		object_path_v3 = get_bios_object_from_path_v3(bp, connector_object_id);
789 
790 		if (!object_path_v3) {
791 			BREAK_TO_DEBUGGER(); /* Invalid object id */
792 			return BP_RESULT_BADINPUT;
793 		}
794 		info->acpi_device = 0; /* BIOS no longer provides this */
795 		info->dev_id = device_type_from_device_id(object_path_v3->device_tag);
796 		break;
797 	}
798 
799 	return BP_RESULT_OK;
800 }
801 
802 static enum bp_result get_ss_info_v4_1(
803 	struct bios_parser *bp,
804 	uint32_t id,
805 	uint32_t index,
806 	struct spread_spectrum_info *ss_info)
807 {
808 	enum bp_result result = BP_RESULT_OK;
809 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
810 	struct atom_smu_info_v3_3 *smu_info = NULL;
811 
812 	if (!ss_info)
813 		return BP_RESULT_BADINPUT;
814 
815 	if (!DATA_TABLES(dce_info))
816 		return BP_RESULT_BADBIOSTABLE;
817 
818 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
819 							DATA_TABLES(dce_info));
820 	if (!disp_cntl_tbl)
821 		return BP_RESULT_BADBIOSTABLE;
822 
823 
824 	ss_info->type.STEP_AND_DELAY_INFO = false;
825 	ss_info->spread_percentage_divider = 1000;
826 	/* BIOS no longer uses target clock.  Always enable for now */
827 	ss_info->target_clock_range = 0xffffffff;
828 
829 	switch (id) {
830 	case AS_SIGNAL_TYPE_DVI:
831 		ss_info->spread_spectrum_percentage =
832 				disp_cntl_tbl->dvi_ss_percentage;
833 		ss_info->spread_spectrum_range =
834 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
835 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
836 			ss_info->type.CENTER_MODE = true;
837 
838 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
839 		break;
840 	case AS_SIGNAL_TYPE_HDMI:
841 		ss_info->spread_spectrum_percentage =
842 				disp_cntl_tbl->hdmi_ss_percentage;
843 		ss_info->spread_spectrum_range =
844 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
845 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
846 			ss_info->type.CENTER_MODE = true;
847 
848 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
849 		break;
850 	/* TODO LVDS not support anymore? */
851 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
852 		ss_info->spread_spectrum_percentage =
853 				disp_cntl_tbl->dp_ss_percentage;
854 		ss_info->spread_spectrum_range =
855 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
856 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
857 			ss_info->type.CENTER_MODE = true;
858 
859 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
860 		break;
861 	case AS_SIGNAL_TYPE_GPU_PLL:
862 		/* atom_firmware: DAL only get data from dce_info table.
863 		 * if data within smu_info is needed for DAL, VBIOS should
864 		 * copy it into dce_info
865 		 */
866 		result = BP_RESULT_UNSUPPORTED;
867 		break;
868 	case AS_SIGNAL_TYPE_XGMI:
869 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
870 				      DATA_TABLES(smu_info));
871 		if (!smu_info)
872 			return BP_RESULT_BADBIOSTABLE;
873 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
874 		ss_info->spread_spectrum_percentage =
875 				smu_info->waflclk_ss_percentage;
876 		ss_info->spread_spectrum_range =
877 				smu_info->gpuclk_ss_rate_10hz * 10;
878 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
879 			ss_info->type.CENTER_MODE = true;
880 
881 		DC_LOG_BIOS("AS_SIGNAL_TYPE_XGMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
882 		break;
883 	default:
884 		result = BP_RESULT_UNSUPPORTED;
885 	}
886 
887 	return result;
888 }
889 
890 static enum bp_result get_ss_info_v4_2(
891 	struct bios_parser *bp,
892 	uint32_t id,
893 	uint32_t index,
894 	struct spread_spectrum_info *ss_info)
895 {
896 	enum bp_result result = BP_RESULT_OK;
897 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
898 	struct atom_smu_info_v3_1 *smu_info = NULL;
899 
900 	if (!ss_info)
901 		return BP_RESULT_BADINPUT;
902 
903 	if (!DATA_TABLES(dce_info))
904 		return BP_RESULT_BADBIOSTABLE;
905 
906 	if (!DATA_TABLES(smu_info))
907 		return BP_RESULT_BADBIOSTABLE;
908 
909 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
910 							DATA_TABLES(dce_info));
911 	if (!disp_cntl_tbl)
912 		return BP_RESULT_BADBIOSTABLE;
913 
914 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
915 	if (!smu_info)
916 		return BP_RESULT_BADBIOSTABLE;
917 
918 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
919 	ss_info->type.STEP_AND_DELAY_INFO = false;
920 	ss_info->spread_percentage_divider = 1000;
921 	/* BIOS no longer uses target clock.  Always enable for now */
922 	ss_info->target_clock_range = 0xffffffff;
923 
924 	switch (id) {
925 	case AS_SIGNAL_TYPE_DVI:
926 		ss_info->spread_spectrum_percentage =
927 				disp_cntl_tbl->dvi_ss_percentage;
928 		ss_info->spread_spectrum_range =
929 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
930 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
931 			ss_info->type.CENTER_MODE = true;
932 
933 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
934 		break;
935 	case AS_SIGNAL_TYPE_HDMI:
936 		ss_info->spread_spectrum_percentage =
937 				disp_cntl_tbl->hdmi_ss_percentage;
938 		ss_info->spread_spectrum_range =
939 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
940 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
941 			ss_info->type.CENTER_MODE = true;
942 
943 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
944 		break;
945 	/* TODO LVDS not support anymore? */
946 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
947 		ss_info->spread_spectrum_percentage =
948 				smu_info->gpuclk_ss_percentage;
949 		ss_info->spread_spectrum_range =
950 				smu_info->gpuclk_ss_rate_10hz * 10;
951 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
952 			ss_info->type.CENTER_MODE = true;
953 
954 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
955 		break;
956 	case AS_SIGNAL_TYPE_GPU_PLL:
957 		/* atom_firmware: DAL only get data from dce_info table.
958 		 * if data within smu_info is needed for DAL, VBIOS should
959 		 * copy it into dce_info
960 		 */
961 		result = BP_RESULT_UNSUPPORTED;
962 		break;
963 	default:
964 		result = BP_RESULT_UNSUPPORTED;
965 	}
966 
967 	return result;
968 }
969 
970 static enum bp_result get_ss_info_v4_5(
971 	struct bios_parser *bp,
972 	uint32_t id,
973 	uint32_t index,
974 	struct spread_spectrum_info *ss_info)
975 {
976 	enum bp_result result = BP_RESULT_OK;
977 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
978 
979 	if (!ss_info)
980 		return BP_RESULT_BADINPUT;
981 
982 	if (!DATA_TABLES(dce_info))
983 		return BP_RESULT_BADBIOSTABLE;
984 
985 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
986 							DATA_TABLES(dce_info));
987 	if (!disp_cntl_tbl)
988 		return BP_RESULT_BADBIOSTABLE;
989 
990 	ss_info->type.STEP_AND_DELAY_INFO = false;
991 	ss_info->spread_percentage_divider = 1000;
992 	/* BIOS no longer uses target clock.  Always enable for now */
993 	ss_info->target_clock_range = 0xffffffff;
994 
995 	switch (id) {
996 	case AS_SIGNAL_TYPE_DVI:
997 		ss_info->spread_spectrum_percentage =
998 				disp_cntl_tbl->dvi_ss_percentage;
999 		ss_info->spread_spectrum_range =
1000 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
1001 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1002 			ss_info->type.CENTER_MODE = true;
1003 
1004 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1005 		break;
1006 	case AS_SIGNAL_TYPE_HDMI:
1007 		ss_info->spread_spectrum_percentage =
1008 				disp_cntl_tbl->hdmi_ss_percentage;
1009 		ss_info->spread_spectrum_range =
1010 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
1011 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1012 			ss_info->type.CENTER_MODE = true;
1013 
1014 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1015 		break;
1016 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
1017 		ss_info->spread_spectrum_percentage =
1018 				disp_cntl_tbl->dp_ss_percentage;
1019 		ss_info->spread_spectrum_range =
1020 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
1021 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1022 			ss_info->type.CENTER_MODE = true;
1023 
1024 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1025 		break;
1026 	case AS_SIGNAL_TYPE_GPU_PLL:
1027 		/* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.
1028 		 * SMU Display PLL supposed to be without spread.
1029 		 * Better place for it would be in atom_display_controller_info_v4_5 table.
1030 		 */
1031 		result = BP_RESULT_UNSUPPORTED;
1032 		break;
1033 	default:
1034 		result = BP_RESULT_UNSUPPORTED;
1035 		break;
1036 	}
1037 
1038 	return result;
1039 }
1040 
1041 /**
1042  * bios_parser_get_spread_spectrum_info
1043  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
1044  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
1045  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
1046  * ver 3.1,
1047  * there is only one entry for each signal /ss id.  However, there is
1048  * no planning of supporting multiple spread Sprectum entry for EverGreen
1049  * @dcb:     pointer to the DC BIOS
1050  * @signal:  ASSignalType to be converted to info index
1051  * @index:   number of entries that match the converted info index
1052  * @ss_info: sprectrum information structure,
1053  * return: Bios parser result code
1054  */
1055 static enum bp_result bios_parser_get_spread_spectrum_info(
1056 	struct dc_bios *dcb,
1057 	enum as_signal_type signal,
1058 	uint32_t index,
1059 	struct spread_spectrum_info *ss_info)
1060 {
1061 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1062 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1063 	struct atom_common_table_header *header;
1064 	struct atom_data_revision tbl_revision;
1065 
1066 	if (!ss_info) /* check for bad input */
1067 		return BP_RESULT_BADINPUT;
1068 
1069 	if (!DATA_TABLES(dce_info))
1070 		return BP_RESULT_UNSUPPORTED;
1071 
1072 	header = GET_IMAGE(struct atom_common_table_header,
1073 						DATA_TABLES(dce_info));
1074 	get_atom_data_table_revision(header, &tbl_revision);
1075 
1076 	switch (tbl_revision.major) {
1077 	case 4:
1078 		switch (tbl_revision.minor) {
1079 		case 1:
1080 			return get_ss_info_v4_1(bp, signal, index, ss_info);
1081 		case 2:
1082 		case 3:
1083 		case 4:
1084 			return get_ss_info_v4_2(bp, signal, index, ss_info);
1085 		case 5:
1086 			return get_ss_info_v4_5(bp, signal, index, ss_info);
1087 
1088 		default:
1089 			ASSERT(0);
1090 			break;
1091 		}
1092 		break;
1093 	default:
1094 		break;
1095 	}
1096 	/* there can not be more then one entry for SS Info table */
1097 	return result;
1098 }
1099 
1100 static enum bp_result get_soc_bb_info_v4_4(
1101 	struct bios_parser *bp,
1102 	struct bp_soc_bb_info *soc_bb_info)
1103 {
1104 	enum bp_result result = BP_RESULT_OK;
1105 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1106 
1107 	if (!soc_bb_info)
1108 		return BP_RESULT_BADINPUT;
1109 
1110 	if (!DATA_TABLES(dce_info))
1111 		return BP_RESULT_BADBIOSTABLE;
1112 
1113 	if (!DATA_TABLES(smu_info))
1114 		return BP_RESULT_BADBIOSTABLE;
1115 
1116 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
1117 							DATA_TABLES(dce_info));
1118 	if (!disp_cntl_tbl)
1119 		return BP_RESULT_BADBIOSTABLE;
1120 
1121 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1122 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1123 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1124 
1125 	return result;
1126 }
1127 
1128 static enum bp_result get_soc_bb_info_v4_5(
1129 	struct bios_parser *bp,
1130 	struct bp_soc_bb_info *soc_bb_info)
1131 {
1132 	enum bp_result result = BP_RESULT_OK;
1133 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1134 
1135 	if (!soc_bb_info)
1136 		return BP_RESULT_BADINPUT;
1137 
1138 	if (!DATA_TABLES(dce_info))
1139 		return BP_RESULT_BADBIOSTABLE;
1140 
1141 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1142 							DATA_TABLES(dce_info));
1143 	if (!disp_cntl_tbl)
1144 		return BP_RESULT_BADBIOSTABLE;
1145 
1146 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1147 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1148 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1149 
1150 	return result;
1151 }
1152 
1153 static enum bp_result bios_parser_get_soc_bb_info(
1154 	struct dc_bios *dcb,
1155 	struct bp_soc_bb_info *soc_bb_info)
1156 {
1157 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1158 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1159 	struct atom_common_table_header *header;
1160 	struct atom_data_revision tbl_revision;
1161 
1162 	if (!soc_bb_info) /* check for bad input */
1163 		return BP_RESULT_BADINPUT;
1164 
1165 	if (!DATA_TABLES(dce_info))
1166 		return BP_RESULT_UNSUPPORTED;
1167 
1168 	header = GET_IMAGE(struct atom_common_table_header,
1169 						DATA_TABLES(dce_info));
1170 	get_atom_data_table_revision(header, &tbl_revision);
1171 
1172 	switch (tbl_revision.major) {
1173 	case 4:
1174 		switch (tbl_revision.minor) {
1175 		case 1:
1176 		case 2:
1177 		case 3:
1178 			break;
1179 		case 4:
1180 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
1181 			break;
1182 		case 5:
1183 			result = get_soc_bb_info_v4_5(bp, soc_bb_info);
1184 			break;
1185 		default:
1186 			break;
1187 		}
1188 		break;
1189 	default:
1190 		break;
1191 	}
1192 
1193 	return result;
1194 }
1195 
1196 static enum bp_result get_disp_caps_v4_1(
1197 	struct bios_parser *bp,
1198 	uint8_t *dce_caps)
1199 {
1200 	enum bp_result result = BP_RESULT_OK;
1201 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
1202 
1203 	if (!dce_caps)
1204 		return BP_RESULT_BADINPUT;
1205 
1206 	if (!DATA_TABLES(dce_info))
1207 		return BP_RESULT_BADBIOSTABLE;
1208 
1209 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_1,
1210 							DATA_TABLES(dce_info));
1211 
1212 	if (!disp_cntl_tbl)
1213 		return BP_RESULT_BADBIOSTABLE;
1214 
1215 	*dce_caps = disp_cntl_tbl->display_caps;
1216 
1217 	return result;
1218 }
1219 
1220 static enum bp_result get_disp_caps_v4_2(
1221 	struct bios_parser *bp,
1222 	uint8_t *dce_caps)
1223 {
1224 	enum bp_result result = BP_RESULT_OK;
1225 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
1226 
1227 	if (!dce_caps)
1228 		return BP_RESULT_BADINPUT;
1229 
1230 	if (!DATA_TABLES(dce_info))
1231 		return BP_RESULT_BADBIOSTABLE;
1232 
1233 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_2,
1234 							DATA_TABLES(dce_info));
1235 
1236 	if (!disp_cntl_tbl)
1237 		return BP_RESULT_BADBIOSTABLE;
1238 
1239 	*dce_caps = disp_cntl_tbl->display_caps;
1240 
1241 	return result;
1242 }
1243 
1244 static enum bp_result get_disp_caps_v4_3(
1245 	struct bios_parser *bp,
1246 	uint8_t *dce_caps)
1247 {
1248 	enum bp_result result = BP_RESULT_OK;
1249 	struct atom_display_controller_info_v4_3 *disp_cntl_tbl = NULL;
1250 
1251 	if (!dce_caps)
1252 		return BP_RESULT_BADINPUT;
1253 
1254 	if (!DATA_TABLES(dce_info))
1255 		return BP_RESULT_BADBIOSTABLE;
1256 
1257 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_3,
1258 							DATA_TABLES(dce_info));
1259 
1260 	if (!disp_cntl_tbl)
1261 		return BP_RESULT_BADBIOSTABLE;
1262 
1263 	*dce_caps = disp_cntl_tbl->display_caps;
1264 
1265 	return result;
1266 }
1267 
1268 static enum bp_result get_disp_caps_v4_4(
1269 	struct bios_parser *bp,
1270 	uint8_t *dce_caps)
1271 {
1272 	enum bp_result result = BP_RESULT_OK;
1273 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1274 
1275 	if (!dce_caps)
1276 		return BP_RESULT_BADINPUT;
1277 
1278 	if (!DATA_TABLES(dce_info))
1279 		return BP_RESULT_BADBIOSTABLE;
1280 
1281 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_4,
1282 							DATA_TABLES(dce_info));
1283 
1284 	if (!disp_cntl_tbl)
1285 		return BP_RESULT_BADBIOSTABLE;
1286 
1287 	*dce_caps = disp_cntl_tbl->display_caps;
1288 
1289 	return result;
1290 }
1291 
1292 static enum bp_result get_disp_caps_v4_5(
1293 	struct bios_parser *bp,
1294 	uint8_t *dce_caps)
1295 {
1296 	enum bp_result result = BP_RESULT_OK;
1297 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1298 
1299 	if (!dce_caps)
1300 		return BP_RESULT_BADINPUT;
1301 
1302 	if (!DATA_TABLES(dce_info))
1303 		return BP_RESULT_BADBIOSTABLE;
1304 
1305 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_5,
1306 							DATA_TABLES(dce_info));
1307 
1308 	if (!disp_cntl_tbl)
1309 		return BP_RESULT_BADBIOSTABLE;
1310 
1311 	*dce_caps = disp_cntl_tbl->display_caps;
1312 
1313 	return result;
1314 }
1315 
1316 static enum bp_result bios_parser_get_lttpr_interop(
1317 	struct dc_bios *dcb,
1318 	uint8_t *dce_caps)
1319 {
1320 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1321 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1322 	struct atom_common_table_header *header;
1323 	struct atom_data_revision tbl_revision;
1324 
1325 	if (!DATA_TABLES(dce_info))
1326 		return BP_RESULT_UNSUPPORTED;
1327 
1328 	header = GET_IMAGE(struct atom_common_table_header,
1329 						DATA_TABLES(dce_info));
1330 	get_atom_data_table_revision(header, &tbl_revision);
1331 	switch (tbl_revision.major) {
1332 	case 4:
1333 		switch (tbl_revision.minor) {
1334 		case 1:
1335 			result = get_disp_caps_v4_1(bp, dce_caps);
1336 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1337 			break;
1338 		case 2:
1339 			result = get_disp_caps_v4_2(bp, dce_caps);
1340 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1341 			break;
1342 		case 3:
1343 			result = get_disp_caps_v4_3(bp, dce_caps);
1344 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1345 			break;
1346 		case 4:
1347 			result = get_disp_caps_v4_4(bp, dce_caps);
1348 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1349 			break;
1350 		case 5:
1351 			result = get_disp_caps_v4_5(bp, dce_caps);
1352 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1353 			break;
1354 
1355 		default:
1356 			break;
1357 		}
1358 		break;
1359 	default:
1360 		break;
1361 	}
1362 	DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: %d tbl_revision.major = %d tbl_revision.minor = %d\n", *dce_caps, tbl_revision.major, tbl_revision.minor);
1363 	return result;
1364 }
1365 
1366 static enum bp_result bios_parser_get_lttpr_caps(
1367 	struct dc_bios *dcb,
1368 	uint8_t *dce_caps)
1369 {
1370 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1371 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1372 	struct atom_common_table_header *header;
1373 	struct atom_data_revision tbl_revision;
1374 
1375 	if (!DATA_TABLES(dce_info))
1376 		return BP_RESULT_UNSUPPORTED;
1377 
1378 	*dce_caps  = 0;
1379 	header = GET_IMAGE(struct atom_common_table_header,
1380 						DATA_TABLES(dce_info));
1381 	get_atom_data_table_revision(header, &tbl_revision);
1382 	switch (tbl_revision.major) {
1383 	case 4:
1384 		switch (tbl_revision.minor) {
1385 		case 1:
1386 			result = get_disp_caps_v4_1(bp, dce_caps);
1387 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1388 			break;
1389 		case 2:
1390 			result = get_disp_caps_v4_2(bp, dce_caps);
1391 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1392 			break;
1393 		case 3:
1394 			result = get_disp_caps_v4_3(bp, dce_caps);
1395 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1396 			break;
1397 		case 4:
1398 			result = get_disp_caps_v4_4(bp, dce_caps);
1399 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1400 			break;
1401 		case 5:
1402 			result = get_disp_caps_v4_5(bp, dce_caps);
1403 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1404 			break;
1405 		default:
1406 			break;
1407 		}
1408 		break;
1409 	default:
1410 		break;
1411 	}
1412 	DC_LOG_BIOS("DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE: %d tbl_revision.major = %d tbl_revision.minor = %d\n", *dce_caps, tbl_revision.major, tbl_revision.minor);
1413 	if (dcb->ctx->dc->config.force_bios_enable_lttpr && *dce_caps == 0) {
1414 		*dce_caps = 1;
1415 		DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: forced enabled");
1416 	}
1417 	return result;
1418 }
1419 
1420 static enum bp_result get_embedded_panel_info_v2_1(
1421 		struct bios_parser *bp,
1422 		struct embedded_panel_info *info)
1423 {
1424 	struct lcd_info_v2_1 *lvds;
1425 
1426 	if (!info)
1427 		return BP_RESULT_BADINPUT;
1428 
1429 	if (!DATA_TABLES(lcd_info))
1430 		return BP_RESULT_UNSUPPORTED;
1431 
1432 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1433 
1434 	if (!lvds)
1435 		return BP_RESULT_BADBIOSTABLE;
1436 
1437 	/* TODO: previous vv1_3, should v2_1 */
1438 	if (!((lvds->table_header.format_revision == 2)
1439 			&& (lvds->table_header.content_revision >= 1)))
1440 		return BP_RESULT_UNSUPPORTED;
1441 
1442 	memset(info, 0, sizeof(struct embedded_panel_info));
1443 
1444 	/* We need to convert from 10KHz units into KHz units */
1445 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1446 	/* usHActive does not include borders, according to VBIOS team */
1447 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
1448 	/* usHBlanking_Time includes borders, so we should really be
1449 	 * subtractingborders duing this translation, but LVDS generally
1450 	 * doesn't have borders, so we should be okay leaving this as is for
1451 	 * now.  May need to revisit if we ever have LVDS with borders
1452 	 */
1453 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1454 	/* usVActive does not include borders, according to VBIOS team*/
1455 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
1456 	/* usVBlanking_Time includes borders, so we should really be
1457 	 * subtracting borders duing this translation, but LVDS generally
1458 	 * doesn't have borders, so we should be okay leaving this as is for
1459 	 * now. May need to revisit if we ever have LVDS with borders
1460 	 */
1461 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1462 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1463 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
1464 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1465 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1466 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1467 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1468 
1469 	/* not provided by VBIOS */
1470 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1471 
1472 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1473 			& ATOM_HSYNC_POLARITY);
1474 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1475 			& ATOM_VSYNC_POLARITY);
1476 
1477 	/* not provided by VBIOS */
1478 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1479 
1480 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1481 			& ATOM_H_REPLICATIONBY2);
1482 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1483 			& ATOM_V_REPLICATIONBY2);
1484 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
1485 			& ATOM_COMPOSITESYNC);
1486 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1487 
1488 	/* not provided by VBIOS*/
1489 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1490 	/* not provided by VBIOS*/
1491 	info->ss_id = 0;
1492 
1493 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1494 
1495 	return BP_RESULT_OK;
1496 }
1497 
1498 static enum bp_result bios_parser_get_embedded_panel_info(
1499 		struct dc_bios *dcb,
1500 		struct embedded_panel_info *info)
1501 {
1502 	struct bios_parser
1503 	*bp = BP_FROM_DCB(dcb);
1504 	struct atom_common_table_header *header;
1505 	struct atom_data_revision tbl_revision;
1506 
1507 	if (!DATA_TABLES(lcd_info))
1508 		return BP_RESULT_FAILURE;
1509 
1510 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1511 
1512 	if (!header)
1513 		return BP_RESULT_BADBIOSTABLE;
1514 
1515 	get_atom_data_table_revision(header, &tbl_revision);
1516 
1517 	switch (tbl_revision.major) {
1518 	case 2:
1519 		switch (tbl_revision.minor) {
1520 		case 1:
1521 			return get_embedded_panel_info_v2_1(bp, info);
1522 		default:
1523 			break;
1524 		}
1525 		break;
1526 	default:
1527 		break;
1528 	}
1529 
1530 	return BP_RESULT_FAILURE;
1531 }
1532 
1533 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1534 {
1535 	enum dal_device_type device_type = device_id.device_type;
1536 	uint32_t enum_id = device_id.enum_id;
1537 
1538 	switch (device_type) {
1539 	case DEVICE_TYPE_LCD:
1540 		switch (enum_id) {
1541 		case 1:
1542 			return ATOM_DISPLAY_LCD1_SUPPORT;
1543 		default:
1544 			break;
1545 		}
1546 		break;
1547 	case DEVICE_TYPE_DFP:
1548 		switch (enum_id) {
1549 		case 1:
1550 			return ATOM_DISPLAY_DFP1_SUPPORT;
1551 		case 2:
1552 			return ATOM_DISPLAY_DFP2_SUPPORT;
1553 		case 3:
1554 			return ATOM_DISPLAY_DFP3_SUPPORT;
1555 		case 4:
1556 			return ATOM_DISPLAY_DFP4_SUPPORT;
1557 		case 5:
1558 			return ATOM_DISPLAY_DFP5_SUPPORT;
1559 		case 6:
1560 			return ATOM_DISPLAY_DFP6_SUPPORT;
1561 		default:
1562 			break;
1563 		}
1564 		break;
1565 	default:
1566 		break;
1567 	}
1568 
1569 	/* Unidentified device ID, return empty support mask. */
1570 	return 0;
1571 }
1572 
1573 static bool bios_parser_is_device_id_supported(
1574 	struct dc_bios *dcb,
1575 	struct device_id id)
1576 {
1577 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1578 
1579 	uint32_t mask = get_support_mask_for_device_id(id);
1580 
1581 	switch (bp->object_info_tbl.revision.minor) {
1582 	case 4:
1583 	default:
1584 		return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) & mask) != 0;
1585 		break;
1586 	case 5:
1587 		return (le16_to_cpu(bp->object_info_tbl.v1_5->supporteddevices) & mask) != 0;
1588 		break;
1589 	}
1590 
1591 	return false;
1592 }
1593 
1594 static uint32_t bios_parser_get_ss_entry_number(
1595 	struct dc_bios *dcb,
1596 	enum as_signal_type signal)
1597 {
1598 	/* TODO: DAL2 atomfirmware implementation does not need this.
1599 	 * why DAL3 need this?
1600 	 */
1601 	return 1;
1602 }
1603 
1604 static enum bp_result bios_parser_transmitter_control(
1605 	struct dc_bios *dcb,
1606 	struct bp_transmitter_control *cntl)
1607 {
1608 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1609 
1610 	if (!bp->cmd_tbl.transmitter_control)
1611 		return BP_RESULT_FAILURE;
1612 
1613 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1614 }
1615 
1616 static enum bp_result bios_parser_encoder_control(
1617 	struct dc_bios *dcb,
1618 	struct bp_encoder_control *cntl)
1619 {
1620 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1621 
1622 	if (!bp->cmd_tbl.dig_encoder_control)
1623 		return BP_RESULT_FAILURE;
1624 
1625 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1626 }
1627 
1628 static enum bp_result bios_parser_set_pixel_clock(
1629 	struct dc_bios *dcb,
1630 	struct bp_pixel_clock_parameters *bp_params)
1631 {
1632 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1633 
1634 	if (!bp->cmd_tbl.set_pixel_clock)
1635 		return BP_RESULT_FAILURE;
1636 
1637 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1638 }
1639 
1640 static enum bp_result bios_parser_set_dce_clock(
1641 	struct dc_bios *dcb,
1642 	struct bp_set_dce_clock_parameters *bp_params)
1643 {
1644 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1645 
1646 	if (!bp->cmd_tbl.set_dce_clock)
1647 		return BP_RESULT_FAILURE;
1648 
1649 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1650 }
1651 
1652 static enum bp_result bios_parser_program_crtc_timing(
1653 	struct dc_bios *dcb,
1654 	struct bp_hw_crtc_timing_parameters *bp_params)
1655 {
1656 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1657 
1658 	if (!bp->cmd_tbl.set_crtc_timing)
1659 		return BP_RESULT_FAILURE;
1660 
1661 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1662 }
1663 
1664 static enum bp_result bios_parser_enable_crtc(
1665 	struct dc_bios *dcb,
1666 	enum controller_id id,
1667 	bool enable)
1668 {
1669 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1670 
1671 	if (!bp->cmd_tbl.enable_crtc)
1672 		return BP_RESULT_FAILURE;
1673 
1674 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1675 }
1676 
1677 static enum bp_result bios_parser_enable_disp_power_gating(
1678 	struct dc_bios *dcb,
1679 	enum controller_id controller_id,
1680 	enum bp_pipe_control_action action)
1681 {
1682 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1683 
1684 	if (!bp->cmd_tbl.enable_disp_power_gating)
1685 		return BP_RESULT_FAILURE;
1686 
1687 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1688 		action);
1689 }
1690 
1691 static enum bp_result bios_parser_enable_lvtma_control(
1692 	struct dc_bios *dcb,
1693 	uint8_t uc_pwr_on,
1694 	uint8_t panel_instance,
1695 	uint8_t bypass_panel_control_wait)
1696 {
1697 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1698 
1699 	if (!bp->cmd_tbl.enable_lvtma_control)
1700 		return BP_RESULT_FAILURE;
1701 
1702 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, panel_instance, bypass_panel_control_wait);
1703 }
1704 
1705 static bool bios_parser_is_accelerated_mode(
1706 	struct dc_bios *dcb)
1707 {
1708 	return bios_is_accelerated_mode(dcb);
1709 }
1710 
1711 /**
1712  * bios_parser_set_scratch_critical_state - update critical state bit
1713  *                                          in VBIOS scratch register
1714  *
1715  * @dcb:   pointer to the DC BIO
1716  * @state: set or reset state
1717  */
1718 static void bios_parser_set_scratch_critical_state(
1719 	struct dc_bios *dcb,
1720 	bool state)
1721 {
1722 	bios_set_scratch_critical_state(dcb, state);
1723 }
1724 
1725 static enum bp_result bios_parser_get_firmware_info(
1726 	struct dc_bios *dcb,
1727 	struct dc_firmware_info *info)
1728 {
1729 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1730 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
1731 	struct atom_common_table_header *header;
1732 
1733 	struct atom_data_revision revision;
1734 
1735 	if (info && DATA_TABLES(firmwareinfo)) {
1736 		header = GET_IMAGE(struct atom_common_table_header,
1737 				DATA_TABLES(firmwareinfo));
1738 		get_atom_data_table_revision(header, &revision);
1739 		switch (revision.major) {
1740 		case 3:
1741 			switch (revision.minor) {
1742 			case 1:
1743 				result = get_firmware_info_v3_1(bp, info);
1744 				break;
1745 			case 2:
1746 			case 3:
1747 				result = get_firmware_info_v3_2(bp, info);
1748 				break;
1749 			case 4:
1750 				result = get_firmware_info_v3_4(bp, info);
1751 				break;
1752 			default:
1753 				break;
1754 			}
1755 			break;
1756 		default:
1757 			break;
1758 		}
1759 	}
1760 
1761 	return result;
1762 }
1763 
1764 static enum bp_result get_firmware_info_v3_1(
1765 	struct bios_parser *bp,
1766 	struct dc_firmware_info *info)
1767 {
1768 	struct atom_firmware_info_v3_1 *firmware_info;
1769 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1770 
1771 	if (!info)
1772 		return BP_RESULT_BADINPUT;
1773 
1774 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1775 			DATA_TABLES(firmwareinfo));
1776 
1777 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1778 			DATA_TABLES(dce_info));
1779 
1780 	if (!firmware_info || !dce_info)
1781 		return BP_RESULT_BADBIOSTABLE;
1782 
1783 	memset(info, 0, sizeof(*info));
1784 
1785 	/* Pixel clock pll information. */
1786 	 /* We need to convert from 10KHz units into KHz units */
1787 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1788 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1789 
1790 	 /* 27MHz for Vega10: */
1791 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1792 
1793 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1794 	if (info->pll_info.crystal_frequency == 0)
1795 		info->pll_info.crystal_frequency = 27000;
1796 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1797 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1798 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1799 
1800 	/* Get GPU PLL VCO Clock */
1801 
1802 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1803 		/* VBIOS gives in 10KHz */
1804 		info->smu_gpu_pll_output_freq =
1805 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1806 	}
1807 
1808 	info->oem_i2c_present = false;
1809 
1810 	return BP_RESULT_OK;
1811 }
1812 
1813 static enum bp_result get_firmware_info_v3_2(
1814 	struct bios_parser *bp,
1815 	struct dc_firmware_info *info)
1816 {
1817 	struct atom_firmware_info_v3_2 *firmware_info;
1818 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1819 	struct atom_common_table_header *header;
1820 	struct atom_data_revision revision;
1821 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1822 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1823 
1824 	if (!info)
1825 		return BP_RESULT_BADINPUT;
1826 
1827 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1828 			DATA_TABLES(firmwareinfo));
1829 
1830 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1831 			DATA_TABLES(dce_info));
1832 
1833 	if (!firmware_info || !dce_info)
1834 		return BP_RESULT_BADBIOSTABLE;
1835 
1836 	memset(info, 0, sizeof(*info));
1837 
1838 	header = GET_IMAGE(struct atom_common_table_header,
1839 					DATA_TABLES(smu_info));
1840 	get_atom_data_table_revision(header, &revision);
1841 
1842 	if (revision.minor == 2) {
1843 		/* Vega12 */
1844 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1845 							DATA_TABLES(smu_info));
1846 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_2->gpuclk_ss_percentage);
1847 		if (!smu_info_v3_2)
1848 			return BP_RESULT_BADBIOSTABLE;
1849 
1850 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1851 	} else if (revision.minor == 3) {
1852 		/* Vega20 */
1853 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1854 							DATA_TABLES(smu_info));
1855 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_3->gpuclk_ss_percentage);
1856 		if (!smu_info_v3_3)
1857 			return BP_RESULT_BADBIOSTABLE;
1858 
1859 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1860 	}
1861 
1862 	 // We need to convert from 10KHz units into KHz units.
1863 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1864 
1865 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1866 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1867 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1868 	if (info->pll_info.crystal_frequency == 0) {
1869 		if (revision.minor == 2)
1870 			info->pll_info.crystal_frequency = 27000;
1871 		else if (revision.minor == 3)
1872 			info->pll_info.crystal_frequency = 100000;
1873 	}
1874 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1875 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1876 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1877 
1878 	/* Get GPU PLL VCO Clock */
1879 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1880 		if (revision.minor == 2)
1881 			info->smu_gpu_pll_output_freq =
1882 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1883 		else if (revision.minor == 3)
1884 			info->smu_gpu_pll_output_freq =
1885 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1886 	}
1887 
1888 	if (firmware_info->board_i2c_feature_id == 0x2) {
1889 		info->oem_i2c_present = true;
1890 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1891 	} else {
1892 		info->oem_i2c_present = false;
1893 	}
1894 
1895 	return BP_RESULT_OK;
1896 }
1897 
1898 static enum bp_result get_firmware_info_v3_4(
1899 	struct bios_parser *bp,
1900 	struct dc_firmware_info *info)
1901 {
1902 	struct atom_firmware_info_v3_4 *firmware_info;
1903 	struct atom_common_table_header *header;
1904 	struct atom_data_revision revision;
1905 	struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
1906 	struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
1907 
1908 	struct atom_smu_info_v3_5 *smu_info_v3_5 = NULL;
1909 	struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
1910 	struct atom_smu_info_v4_0 *smu_info_v4_0 = NULL;
1911 
1912 	if (!info)
1913 		return BP_RESULT_BADINPUT;
1914 
1915 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
1916 			DATA_TABLES(firmwareinfo));
1917 
1918 	if (!firmware_info)
1919 		return BP_RESULT_BADBIOSTABLE;
1920 
1921 	memset(info, 0, sizeof(*info));
1922 
1923 	header = GET_IMAGE(struct atom_common_table_header,
1924 					DATA_TABLES(dce_info));
1925 
1926 	get_atom_data_table_revision(header, &revision);
1927 
1928 	switch (revision.major) {
1929 	case 4:
1930 		switch (revision.minor) {
1931 		case 5:
1932 			dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
1933 							DATA_TABLES(dce_info));
1934 
1935 			if (!dce_info_v4_5)
1936 				return BP_RESULT_BADBIOSTABLE;
1937 
1938 			 /* 100MHz expected */
1939 			info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
1940 			info->dp_phy_ref_clk             = dce_info_v4_5->dpphy_refclk_10khz * 10;
1941 			 /* 50MHz expected */
1942 			info->i2c_engine_ref_clk         = dce_info_v4_5->i2c_engine_refclk_10khz * 10;
1943 
1944 			/* For DCN32/321 Display PLL VCO Frequency from dce_info_v4_5 may not be reliable */
1945 			break;
1946 
1947 		case 4:
1948 			dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
1949 							DATA_TABLES(dce_info));
1950 
1951 			if (!dce_info_v4_4)
1952 				return BP_RESULT_BADBIOSTABLE;
1953 
1954 			/* 100MHz expected */
1955 			info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10;
1956 			info->dp_phy_ref_clk             = dce_info_v4_4->dpphy_refclk_10khz * 10;
1957 			/* 50MHz expected */
1958 			info->i2c_engine_ref_clk         = dce_info_v4_4->i2c_engine_refclk_10khz * 10;
1959 
1960 			/* Get SMU Display PLL VCO Frequency in KHz*/
1961 			info->smu_gpu_pll_output_freq =	dce_info_v4_4->dispclk_pll_vco_freq * 10;
1962 			break;
1963 
1964 		default:
1965 			/* should not come here, keep as backup, as was before */
1966 			dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1,
1967 							DATA_TABLES(dce_info));
1968 
1969 			if (!dce_info_v4_1)
1970 				return BP_RESULT_BADBIOSTABLE;
1971 
1972 			info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10;
1973 			info->dp_phy_ref_clk             = dce_info_v4_1->dpphy_refclk_10khz * 10;
1974 			info->i2c_engine_ref_clk         = dce_info_v4_1->i2c_engine_refclk_10khz * 10;
1975 			break;
1976 		}
1977 		break;
1978 
1979 	default:
1980 		ASSERT(0);
1981 		break;
1982 	}
1983 
1984 	header = GET_IMAGE(struct atom_common_table_header,
1985 					DATA_TABLES(smu_info));
1986 	get_atom_data_table_revision(header, &revision);
1987 
1988 	switch (revision.major) {
1989 	case 3:
1990 		switch (revision.minor) {
1991 		case 5:
1992 			smu_info_v3_5 = GET_IMAGE(struct atom_smu_info_v3_5,
1993 							DATA_TABLES(smu_info));
1994 
1995 			if (!smu_info_v3_5)
1996 				return BP_RESULT_BADBIOSTABLE;
1997 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_5->gpuclk_ss_percentage);
1998 			info->default_engine_clk = smu_info_v3_5->bootup_dcefclk_10khz * 10;
1999 			break;
2000 
2001 		default:
2002 			break;
2003 		}
2004 		break;
2005 
2006 	case 4:
2007 		switch (revision.minor) {
2008 		case 0:
2009 			smu_info_v4_0 = GET_IMAGE(struct atom_smu_info_v4_0,
2010 							DATA_TABLES(smu_info));
2011 
2012 			if (!smu_info_v4_0)
2013 				return BP_RESULT_BADBIOSTABLE;
2014 
2015 			/* For DCN32/321 bootup DCFCLK from smu_info_v4_0 may not be reliable */
2016 			break;
2017 
2018 		default:
2019 			break;
2020 		}
2021 		break;
2022 
2023 	default:
2024 		break;
2025 	}
2026 
2027 	 // We need to convert from 10KHz units into KHz units.
2028 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
2029 
2030 	if (firmware_info->board_i2c_feature_id == 0x2) {
2031 		info->oem_i2c_present = true;
2032 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2033 	} else {
2034 		info->oem_i2c_present = false;
2035 	}
2036 
2037 	return BP_RESULT_OK;
2038 }
2039 
2040 static enum bp_result bios_parser_get_encoder_cap_info(
2041 	struct dc_bios *dcb,
2042 	struct graphics_object_id object_id,
2043 	struct bp_encoder_cap_info *info)
2044 {
2045 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2046 	struct atom_display_object_path_v2 *object;
2047 	struct atom_encoder_caps_record *record = NULL;
2048 
2049 	if (!info)
2050 		return BP_RESULT_BADINPUT;
2051 
2052 #if defined(CONFIG_DRM_AMD_DC_FP)
2053 	/* encoder cap record not available in v1_5 */
2054 	if (bp->object_info_tbl.revision.minor == 5)
2055 		return BP_RESULT_NORECORD;
2056 #endif
2057 
2058 	object = get_bios_object(bp, object_id);
2059 
2060 	if (!object)
2061 		return BP_RESULT_BADINPUT;
2062 
2063 	record = get_encoder_cap_record(bp, object);
2064 	if (!record)
2065 		return BP_RESULT_NORECORD;
2066 	DC_LOG_BIOS("record->encodercaps 0x%x for object_id 0x%x", record->encodercaps, object_id.id);
2067 
2068 	info->DP_HBR2_CAP = (record->encodercaps &
2069 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
2070 	info->DP_HBR2_EN = (record->encodercaps &
2071 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
2072 	info->DP_HBR3_EN = (record->encodercaps &
2073 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
2074 	info->HDMI_6GB_EN = (record->encodercaps &
2075 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
2076 	info->IS_DP2_CAPABLE = (record->encodercaps &
2077 			ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
2078 	info->DP_UHBR10_EN = (record->encodercaps &
2079 			ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
2080 	info->DP_UHBR13_5_EN = (record->encodercaps &
2081 			ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
2082 	info->DP_UHBR20_EN = (record->encodercaps &
2083 			ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
2084 	info->DP_IS_USB_C = (record->encodercaps &
2085 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
2086 	DC_LOG_BIOS("\t info->DP_IS_USB_C %d", info->DP_IS_USB_C);
2087 
2088 	return BP_RESULT_OK;
2089 }
2090 
2091 
2092 static struct atom_encoder_caps_record *get_encoder_cap_record(
2093 	struct bios_parser *bp,
2094 	struct atom_display_object_path_v2 *object)
2095 {
2096 	struct atom_common_record_header *header;
2097 	uint32_t offset;
2098 
2099 	if (!object) {
2100 		BREAK_TO_DEBUGGER(); /* Invalid object */
2101 		return NULL;
2102 	}
2103 
2104 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
2105 
2106 	for (;;) {
2107 		header = GET_IMAGE(struct atom_common_record_header, offset);
2108 
2109 		if (!header)
2110 			return NULL;
2111 
2112 		offset += header->record_size;
2113 
2114 		if (header->record_type == LAST_RECORD_TYPE ||
2115 				!header->record_size)
2116 			break;
2117 
2118 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
2119 			continue;
2120 
2121 		if (sizeof(struct atom_encoder_caps_record) <=
2122 							header->record_size)
2123 			return (struct atom_encoder_caps_record *)header;
2124 	}
2125 
2126 	return NULL;
2127 }
2128 
2129 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
2130 	struct bios_parser *bp,
2131 	struct atom_display_object_path_v2 *object)
2132 {
2133 	struct atom_common_record_header *header;
2134 	uint32_t offset;
2135 
2136 	if (!object) {
2137 		BREAK_TO_DEBUGGER(); /* Invalid object */
2138 		return NULL;
2139 	}
2140 
2141 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2142 
2143 	for (;;) {
2144 		header = GET_IMAGE(struct atom_common_record_header, offset);
2145 
2146 		if (!header)
2147 			return NULL;
2148 
2149 		offset += header->record_size;
2150 
2151 		if (header->record_type == LAST_RECORD_TYPE ||
2152 				!header->record_size)
2153 			break;
2154 
2155 		if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
2156 			continue;
2157 
2158 		if (sizeof(struct atom_disp_connector_caps_record) <=
2159 							header->record_size)
2160 			return (struct atom_disp_connector_caps_record *)header;
2161 	}
2162 
2163 	return NULL;
2164 }
2165 
2166 static struct atom_connector_caps_record *get_connector_caps_record(struct bios_parser *bp,
2167 								    struct atom_display_object_path_v3 *object)
2168 {
2169 	struct atom_common_record_header *header;
2170 	uint32_t offset;
2171 
2172 	if (!object) {
2173 		BREAK_TO_DEBUGGER(); /* Invalid object */
2174 		return NULL;
2175 	}
2176 
2177 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2178 
2179 	for (;;) {
2180 		header = GET_IMAGE(struct atom_common_record_header, offset);
2181 
2182 		if (!header)
2183 			return NULL;
2184 
2185 		offset += header->record_size;
2186 
2187 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2188 				!header->record_size)
2189 			break;
2190 
2191 		if (header->record_type != ATOM_CONNECTOR_CAP_RECORD_TYPE)
2192 			continue;
2193 
2194 		if (sizeof(struct atom_connector_caps_record) <= header->record_size)
2195 			return (struct atom_connector_caps_record *)header;
2196 	}
2197 
2198 	return NULL;
2199 }
2200 
2201 static enum bp_result bios_parser_get_disp_connector_caps_info(
2202 	struct dc_bios *dcb,
2203 	struct graphics_object_id object_id,
2204 	struct bp_disp_connector_caps_info *info)
2205 {
2206 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2207 	struct atom_display_object_path_v2 *object;
2208 	struct atom_display_object_path_v3 *object_path_v3;
2209 	struct atom_connector_caps_record *record_path_v3;
2210 	struct atom_disp_connector_caps_record *record = NULL;
2211 
2212 	if (!info)
2213 		return BP_RESULT_BADINPUT;
2214 
2215 	switch (bp->object_info_tbl.revision.minor) {
2216 	case 4:
2217 	    default:
2218 		    object = get_bios_object(bp, object_id);
2219 
2220 		    if (!object)
2221 			    return BP_RESULT_BADINPUT;
2222 
2223 		    record = get_disp_connector_caps_record(bp, object);
2224 		    if (!record)
2225 			    return BP_RESULT_NORECORD;
2226 
2227 		    info->INTERNAL_DISPLAY =
2228 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) ? 1 : 0;
2229 		    info->INTERNAL_DISPLAY_BL =
2230 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) ? 1 : 0;
2231 		    break;
2232 	    case 5:
2233 		object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2234 
2235 		if (!object_path_v3)
2236 			return BP_RESULT_BADINPUT;
2237 
2238 		record_path_v3 = get_connector_caps_record(bp, object_path_v3);
2239 		if (!record_path_v3)
2240 			return BP_RESULT_NORECORD;
2241 
2242 		info->INTERNAL_DISPLAY = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
2243 									? 1 : 0;
2244 		info->INTERNAL_DISPLAY_BL = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
2245 										? 1 : 0;
2246 		break;
2247 	}
2248 
2249 	return BP_RESULT_OK;
2250 }
2251 
2252 static struct atom_connector_speed_record *get_connector_speed_cap_record(struct bios_parser *bp,
2253 									  struct atom_display_object_path_v3 *object)
2254 {
2255 	struct atom_common_record_header *header;
2256 	uint32_t offset;
2257 
2258 	if (!object) {
2259 		BREAK_TO_DEBUGGER(); /* Invalid object */
2260 		return NULL;
2261 	}
2262 
2263 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2264 
2265 	for (;;) {
2266 		header = GET_IMAGE(struct atom_common_record_header, offset);
2267 
2268 		if (!header)
2269 			return NULL;
2270 
2271 		offset += header->record_size;
2272 
2273 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2274 				!header->record_size)
2275 			break;
2276 
2277 		if (header->record_type != ATOM_CONNECTOR_SPEED_UPTO)
2278 			continue;
2279 
2280 		if (sizeof(struct atom_connector_speed_record) <= header->record_size)
2281 			return (struct atom_connector_speed_record *)header;
2282 	}
2283 
2284 	return NULL;
2285 }
2286 
2287 static enum bp_result bios_parser_get_connector_speed_cap_info(
2288 	struct dc_bios *dcb,
2289 	struct graphics_object_id object_id,
2290 	struct bp_connector_speed_cap_info *info)
2291 {
2292 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2293 	struct atom_display_object_path_v3 *object_path_v3;
2294 	//struct atom_connector_speed_record *record = NULL;
2295 	struct atom_connector_speed_record *record;
2296 
2297 	if (!info)
2298 		return BP_RESULT_BADINPUT;
2299 
2300 	object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2301 
2302 	if (!object_path_v3)
2303 		return BP_RESULT_BADINPUT;
2304 
2305 	record = get_connector_speed_cap_record(bp, object_path_v3);
2306 	if (!record)
2307 		return BP_RESULT_NORECORD;
2308 
2309 	info->DP_HBR2_EN = (record->connector_max_speed >= 5400) ? 1 : 0;
2310 	info->DP_HBR3_EN = (record->connector_max_speed >= 8100) ? 1 : 0;
2311 	info->HDMI_6GB_EN = (record->connector_max_speed >= 5940) ? 1 : 0;
2312 	info->DP_UHBR10_EN = (record->connector_max_speed >= 10000) ? 1 : 0;
2313 	info->DP_UHBR13_5_EN = (record->connector_max_speed >= 13500) ? 1 : 0;
2314 	info->DP_UHBR20_EN = (record->connector_max_speed >= 20000) ? 1 : 0;
2315 	return BP_RESULT_OK;
2316 }
2317 
2318 static enum bp_result get_vram_info_v23(
2319 	struct bios_parser *bp,
2320 	struct dc_vram_info *info)
2321 {
2322 	struct atom_vram_info_header_v2_3 *info_v23;
2323 	static enum bp_result result = BP_RESULT_OK;
2324 
2325 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
2326 						DATA_TABLES(vram_info));
2327 
2328 	if (info_v23 == NULL)
2329 		return BP_RESULT_BADBIOSTABLE;
2330 
2331 	info->num_chans = info_v23->vram_module[0].channel_num;
2332 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
2333 
2334 	return result;
2335 }
2336 
2337 static enum bp_result get_vram_info_v24(
2338 	struct bios_parser *bp,
2339 	struct dc_vram_info *info)
2340 {
2341 	struct atom_vram_info_header_v2_4 *info_v24;
2342 	static enum bp_result result = BP_RESULT_OK;
2343 
2344 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
2345 						DATA_TABLES(vram_info));
2346 
2347 	if (info_v24 == NULL)
2348 		return BP_RESULT_BADBIOSTABLE;
2349 
2350 	info->num_chans = info_v24->vram_module[0].channel_num;
2351 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
2352 
2353 	return result;
2354 }
2355 
2356 static enum bp_result get_vram_info_v25(
2357 	struct bios_parser *bp,
2358 	struct dc_vram_info *info)
2359 {
2360 	struct atom_vram_info_header_v2_5 *info_v25;
2361 	static enum bp_result result = BP_RESULT_OK;
2362 
2363 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
2364 						DATA_TABLES(vram_info));
2365 
2366 	if (info_v25 == NULL)
2367 		return BP_RESULT_BADBIOSTABLE;
2368 
2369 	info->num_chans = info_v25->vram_module[0].channel_num;
2370 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
2371 
2372 	return result;
2373 }
2374 
2375 static enum bp_result get_vram_info_v30(
2376 	struct bios_parser *bp,
2377 	struct dc_vram_info *info)
2378 {
2379 	struct atom_vram_info_header_v3_0 *info_v30;
2380 	enum bp_result result = BP_RESULT_OK;
2381 
2382 	info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
2383 						DATA_TABLES(vram_info));
2384 
2385 	if (info_v30 == NULL)
2386 		return BP_RESULT_BADBIOSTABLE;
2387 
2388 	info->num_chans = info_v30->channel_num;
2389 	info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
2390 
2391 	return result;
2392 }
2393 
2394 
2395 /*
2396  * get_integrated_info_v11
2397  *
2398  * @brief
2399  * Get V8 integrated BIOS information
2400  *
2401  * @param
2402  * bios_parser *bp - [in]BIOS parser handler to get master data table
2403  * integrated_info *info - [out] store and output integrated info
2404  *
2405  * @return
2406  * static enum bp_result - BP_RESULT_OK if information is available,
2407  *                  BP_RESULT_BADBIOSTABLE otherwise.
2408  */
2409 static enum bp_result get_integrated_info_v11(
2410 	struct bios_parser *bp,
2411 	struct integrated_info *info)
2412 {
2413 	struct atom_integrated_system_info_v1_11 *info_v11;
2414 	uint32_t i;
2415 
2416 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
2417 					DATA_TABLES(integratedsysteminfo));
2418 
2419 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v11->gpuclk_ss_percentage);
2420 	if (info_v11 == NULL)
2421 		return BP_RESULT_BADBIOSTABLE;
2422 
2423 	info->gpu_cap_info =
2424 	le32_to_cpu(info_v11->gpucapinfo);
2425 	/*
2426 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2427 	*                       = 1 : PCIE power gating enabled
2428 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2429 	*                       = 1 : DDR-PLL shut down enabled
2430 	*                Bit[2] = 0 : DDR-PLL power down disabled
2431 	*                       = 1 : DDR-PLL power down enabled
2432 	*/
2433 	info->system_config = le32_to_cpu(info_v11->system_config);
2434 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
2435 	info->memory_type = info_v11->memorytype;
2436 	info->ma_channel_number = info_v11->umachannelnumber;
2437 	info->lvds_ss_percentage =
2438 	le16_to_cpu(info_v11->lvds_ss_percentage);
2439 	info->dp_ss_control =
2440 	le16_to_cpu(info_v11->reserved1);
2441 	info->lvds_sspread_rate_in_10hz =
2442 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
2443 	info->hdmi_ss_percentage =
2444 	le16_to_cpu(info_v11->hdmi_ss_percentage);
2445 	info->hdmi_sspread_rate_in_10hz =
2446 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
2447 	info->dvi_ss_percentage =
2448 	le16_to_cpu(info_v11->dvi_ss_percentage);
2449 	info->dvi_sspread_rate_in_10_hz =
2450 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
2451 	info->lvds_misc = info_v11->lvds_misc;
2452 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2453 		info->ext_disp_conn_info.gu_id[i] =
2454 				info_v11->extdispconninfo.guid[i];
2455 	}
2456 
2457 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2458 		info->ext_disp_conn_info.path[i].device_connector_id =
2459 		object_id_from_bios_object_id(
2460 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
2461 
2462 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2463 		object_id_from_bios_object_id(
2464 			le16_to_cpu(
2465 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
2466 
2467 		info->ext_disp_conn_info.path[i].device_tag =
2468 			le16_to_cpu(
2469 				info_v11->extdispconninfo.path[i].device_tag);
2470 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2471 		le16_to_cpu(
2472 			info_v11->extdispconninfo.path[i].device_acpi_enum);
2473 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2474 			info_v11->extdispconninfo.path[i].auxddclut_index;
2475 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2476 			info_v11->extdispconninfo.path[i].hpdlut_index;
2477 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2478 			info_v11->extdispconninfo.path[i].channelmapping;
2479 		info->ext_disp_conn_info.path[i].caps =
2480 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
2481 	}
2482 	info->ext_disp_conn_info.checksum =
2483 	info_v11->extdispconninfo.checksum;
2484 
2485 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
2486 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
2487 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2488 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2489 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2490 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2491 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2492 	}
2493 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
2494 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2495 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2496 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2497 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2498 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2499 	}
2500 
2501 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
2502 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
2503 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2504 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2505 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2506 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2507 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2508 	}
2509 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
2510 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2511 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2512 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2513 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2514 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2515 	}
2516 
2517 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
2518 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
2519 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2520 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2521 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2522 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2523 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2524 	}
2525 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
2526 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2527 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2528 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2529 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2530 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2531 	}
2532 
2533 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
2534 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
2535 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2536 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2537 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2538 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2539 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2540 	}
2541 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
2542 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2543 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2544 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2545 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2546 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2547 	}
2548 
2549 
2550 	/** TODO - review **/
2551 	#if 0
2552 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
2553 									* 10;
2554 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
2555 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
2556 
2557 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2558 		/* Convert [10KHz] into [KHz] */
2559 		info->disp_clk_voltage[i].max_supported_clk =
2560 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
2561 			ulMaximumSupportedCLK) * 10;
2562 		info->disp_clk_voltage[i].voltage_index =
2563 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
2564 	}
2565 
2566 	info->boot_up_req_display_vector =
2567 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
2568 	info->boot_up_nb_voltage =
2569 			le16_to_cpu(info_v11->usBootUpNBVoltage);
2570 	info->ext_disp_conn_info_offset =
2571 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
2572 	info->gmc_restore_reset_time =
2573 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
2574 	info->minimum_n_clk =
2575 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
2576 	for (i = 1; i < 4; ++i)
2577 		info->minimum_n_clk =
2578 				info->minimum_n_clk <
2579 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
2580 				info->minimum_n_clk : le32_to_cpu(
2581 					info_v11->ulNbpStateNClkFreq[i]);
2582 
2583 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
2584 	info->ddr_dll_power_up_time =
2585 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
2586 	info->ddr_pll_power_up_time =
2587 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
2588 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
2589 	info->max_lvds_pclk_freq_in_single_link =
2590 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2591 	info->max_lvds_pclk_freq_in_single_link =
2592 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2593 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
2594 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
2595 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
2596 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
2597 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
2598 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
2599 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
2600 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
2601 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
2602 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
2603 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
2604 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
2605 	info->lvds_off_to_on_delay_in_4ms =
2606 		info_v11->ucLVDSOffToOnDelay_in4Ms;
2607 	info->lvds_bit_depth_control_val =
2608 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
2609 
2610 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
2611 		/* Convert [10KHz] into [KHz] */
2612 		info->avail_s_clk[i].supported_s_clk =
2613 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
2614 									* 10;
2615 		info->avail_s_clk[i].voltage_index =
2616 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
2617 		info->avail_s_clk[i].voltage_id =
2618 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
2619 	}
2620 	#endif /* TODO*/
2621 
2622 	return BP_RESULT_OK;
2623 }
2624 
2625 static enum bp_result get_integrated_info_v2_1(
2626 	struct bios_parser *bp,
2627 	struct integrated_info *info)
2628 {
2629 	struct atom_integrated_system_info_v2_1 *info_v2_1;
2630 	uint32_t i;
2631 
2632 	info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
2633 					DATA_TABLES(integratedsysteminfo));
2634 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_1->gpuclk_ss_percentage);
2635 
2636 	if (info_v2_1 == NULL)
2637 		return BP_RESULT_BADBIOSTABLE;
2638 
2639 	info->gpu_cap_info =
2640 	le32_to_cpu(info_v2_1->gpucapinfo);
2641 	/*
2642 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2643 	*                       = 1 : PCIE power gating enabled
2644 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2645 	*                       = 1 : DDR-PLL shut down enabled
2646 	*                Bit[2] = 0 : DDR-PLL power down disabled
2647 	*                       = 1 : DDR-PLL power down enabled
2648 	*/
2649 	info->system_config = le32_to_cpu(info_v2_1->system_config);
2650 	info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
2651 	info->memory_type = info_v2_1->memorytype;
2652 	info->ma_channel_number = info_v2_1->umachannelnumber;
2653 	info->dp_ss_control =
2654 		le16_to_cpu(info_v2_1->reserved1);
2655 
2656 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2657 		info->ext_disp_conn_info.gu_id[i] =
2658 				info_v2_1->extdispconninfo.guid[i];
2659 	}
2660 
2661 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2662 		info->ext_disp_conn_info.path[i].device_connector_id =
2663 		object_id_from_bios_object_id(
2664 		le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
2665 
2666 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2667 		object_id_from_bios_object_id(
2668 			le16_to_cpu(
2669 			info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
2670 
2671 		info->ext_disp_conn_info.path[i].device_tag =
2672 			le16_to_cpu(
2673 				info_v2_1->extdispconninfo.path[i].device_tag);
2674 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2675 		le16_to_cpu(
2676 			info_v2_1->extdispconninfo.path[i].device_acpi_enum);
2677 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2678 			info_v2_1->extdispconninfo.path[i].auxddclut_index;
2679 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2680 			info_v2_1->extdispconninfo.path[i].hpdlut_index;
2681 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2682 			info_v2_1->extdispconninfo.path[i].channelmapping;
2683 		info->ext_disp_conn_info.path[i].caps =
2684 				le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
2685 	}
2686 
2687 	info->ext_disp_conn_info.checksum =
2688 		info_v2_1->extdispconninfo.checksum;
2689 	info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
2690 	info->dp0_ext_hdmi_reg_num = info_v2_1->dp0_retimer_set.HdmiRegNum;
2691 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2692 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2693 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2694 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2695 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2696 	}
2697 	info->dp0_ext_hdmi_6g_reg_num = info_v2_1->dp0_retimer_set.Hdmi6GRegNum;
2698 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2699 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2700 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2701 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2702 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2703 	}
2704 	info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
2705 	info->dp1_ext_hdmi_reg_num = info_v2_1->dp1_retimer_set.HdmiRegNum;
2706 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2707 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2708 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2709 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2710 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2711 	}
2712 	info->dp1_ext_hdmi_6g_reg_num = info_v2_1->dp1_retimer_set.Hdmi6GRegNum;
2713 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2714 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2715 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2716 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2717 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2718 	}
2719 	info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
2720 	info->dp2_ext_hdmi_reg_num = info_v2_1->dp2_retimer_set.HdmiRegNum;
2721 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2722 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2723 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2724 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2725 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2726 	}
2727 	info->dp2_ext_hdmi_6g_reg_num = info_v2_1->dp2_retimer_set.Hdmi6GRegNum;
2728 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2729 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2730 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2731 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2732 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2733 	}
2734 	info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
2735 	info->dp3_ext_hdmi_reg_num = info_v2_1->dp3_retimer_set.HdmiRegNum;
2736 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2737 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2738 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2739 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2740 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2741 	}
2742 	info->dp3_ext_hdmi_6g_reg_num = info_v2_1->dp3_retimer_set.Hdmi6GRegNum;
2743 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2744 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2745 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2746 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2747 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2748 	}
2749 
2750 	info->edp1_info.edp_backlight_pwm_hz =
2751 	le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
2752 	info->edp1_info.edp_ss_percentage =
2753 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
2754 	info->edp1_info.edp_ss_rate_10hz =
2755 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
2756 	info->edp1_info.edp_pwr_on_off_delay =
2757 		info_v2_1->edp1_info.edp_pwr_on_off_delay;
2758 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2759 		info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
2760 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2761 		info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2762 	info->edp1_info.edp_panel_bpc =
2763 		info_v2_1->edp1_info.edp_panel_bpc;
2764 	info->edp1_info.edp_bootup_bl_level = info_v2_1->edp1_info.edp_bootup_bl_level;
2765 
2766 	info->edp2_info.edp_backlight_pwm_hz =
2767 	le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
2768 	info->edp2_info.edp_ss_percentage =
2769 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
2770 	info->edp2_info.edp_ss_rate_10hz =
2771 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
2772 	info->edp2_info.edp_pwr_on_off_delay =
2773 		info_v2_1->edp2_info.edp_pwr_on_off_delay;
2774 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2775 		info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
2776 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2777 		info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2778 	info->edp2_info.edp_panel_bpc =
2779 		info_v2_1->edp2_info.edp_panel_bpc;
2780 	info->edp2_info.edp_bootup_bl_level =
2781 		info_v2_1->edp2_info.edp_bootup_bl_level;
2782 
2783 	return BP_RESULT_OK;
2784 }
2785 
2786 static enum bp_result get_integrated_info_v2_2(
2787 	struct bios_parser *bp,
2788 	struct integrated_info *info)
2789 {
2790 	struct atom_integrated_system_info_v2_2 *info_v2_2;
2791 	uint32_t i;
2792 
2793 	info_v2_2 = GET_IMAGE(struct atom_integrated_system_info_v2_2,
2794 					DATA_TABLES(integratedsysteminfo));
2795 
2796 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_2->gpuclk_ss_percentage);
2797 
2798 	if (info_v2_2 == NULL)
2799 		return BP_RESULT_BADBIOSTABLE;
2800 
2801 	info->gpu_cap_info =
2802 	le32_to_cpu(info_v2_2->gpucapinfo);
2803 	/*
2804 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2805 	*                       = 1 : PCIE power gating enabled
2806 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2807 	*                       = 1 : DDR-PLL shut down enabled
2808 	*                Bit[2] = 0 : DDR-PLL power down disabled
2809 	*                       = 1 : DDR-PLL power down enabled
2810 	*/
2811 	info->system_config = le32_to_cpu(info_v2_2->system_config);
2812 	info->cpu_cap_info = le32_to_cpu(info_v2_2->cpucapinfo);
2813 	info->memory_type = info_v2_2->memorytype;
2814 	info->ma_channel_number = info_v2_2->umachannelnumber;
2815 	info->dp_ss_control =
2816 		le16_to_cpu(info_v2_2->reserved1);
2817 
2818 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2819 		info->ext_disp_conn_info.gu_id[i] =
2820 				info_v2_2->extdispconninfo.guid[i];
2821 	}
2822 
2823 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2824 		info->ext_disp_conn_info.path[i].device_connector_id =
2825 		object_id_from_bios_object_id(
2826 		le16_to_cpu(info_v2_2->extdispconninfo.path[i].connectorobjid));
2827 
2828 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2829 		object_id_from_bios_object_id(
2830 			le16_to_cpu(
2831 			info_v2_2->extdispconninfo.path[i].ext_encoder_objid));
2832 
2833 		info->ext_disp_conn_info.path[i].device_tag =
2834 			le16_to_cpu(
2835 				info_v2_2->extdispconninfo.path[i].device_tag);
2836 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2837 		le16_to_cpu(
2838 			info_v2_2->extdispconninfo.path[i].device_acpi_enum);
2839 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2840 			info_v2_2->extdispconninfo.path[i].auxddclut_index;
2841 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2842 			info_v2_2->extdispconninfo.path[i].hpdlut_index;
2843 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2844 			info_v2_2->extdispconninfo.path[i].channelmapping;
2845 		info->ext_disp_conn_info.path[i].caps =
2846 				le16_to_cpu(info_v2_2->extdispconninfo.path[i].caps);
2847 	}
2848 
2849 	info->ext_disp_conn_info.checksum =
2850 		info_v2_2->extdispconninfo.checksum;
2851 	info->ext_disp_conn_info.fixdpvoltageswing =
2852 		info_v2_2->extdispconninfo.fixdpvoltageswing;
2853 
2854 	info->edp1_info.edp_backlight_pwm_hz =
2855 	le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz);
2856 	info->edp1_info.edp_ss_percentage =
2857 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_percentage);
2858 	info->edp1_info.edp_ss_rate_10hz =
2859 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_rate_10hz);
2860 	info->edp1_info.edp_pwr_on_off_delay =
2861 		info_v2_2->edp1_info.edp_pwr_on_off_delay;
2862 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2863 		info_v2_2->edp1_info.edp_pwr_on_vary_bl_to_blon;
2864 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2865 		info_v2_2->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2866 	info->edp1_info.edp_panel_bpc =
2867 		info_v2_2->edp1_info.edp_panel_bpc;
2868 	info->edp1_info.edp_bootup_bl_level =
2869 
2870 	info->edp2_info.edp_backlight_pwm_hz =
2871 	le16_to_cpu(info_v2_2->edp2_info.edp_backlight_pwm_hz);
2872 	info->edp2_info.edp_ss_percentage =
2873 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_percentage);
2874 	info->edp2_info.edp_ss_rate_10hz =
2875 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_rate_10hz);
2876 	info->edp2_info.edp_pwr_on_off_delay =
2877 		info_v2_2->edp2_info.edp_pwr_on_off_delay;
2878 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2879 		info_v2_2->edp2_info.edp_pwr_on_vary_bl_to_blon;
2880 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2881 		info_v2_2->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2882 	info->edp2_info.edp_panel_bpc =
2883 		info_v2_2->edp2_info.edp_panel_bpc;
2884 	info->edp2_info.edp_bootup_bl_level =
2885 		info_v2_2->edp2_info.edp_bootup_bl_level;
2886 
2887 	return BP_RESULT_OK;
2888 }
2889 
2890 /*
2891  * construct_integrated_info
2892  *
2893  * @brief
2894  * Get integrated BIOS information based on table revision
2895  *
2896  * @param
2897  * bios_parser *bp - [in]BIOS parser handler to get master data table
2898  * integrated_info *info - [out] store and output integrated info
2899  *
2900  * @return
2901  * static enum bp_result - BP_RESULT_OK if information is available,
2902  *                  BP_RESULT_BADBIOSTABLE otherwise.
2903  */
2904 static enum bp_result construct_integrated_info(
2905 	struct bios_parser *bp,
2906 	struct integrated_info *info)
2907 {
2908 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
2909 
2910 	struct atom_common_table_header *header;
2911 	struct atom_data_revision revision;
2912 
2913 	uint32_t i;
2914 	uint32_t j;
2915 
2916 	if (info && DATA_TABLES(integratedsysteminfo)) {
2917 		header = GET_IMAGE(struct atom_common_table_header,
2918 					DATA_TABLES(integratedsysteminfo));
2919 
2920 		get_atom_data_table_revision(header, &revision);
2921 
2922 		switch (revision.major) {
2923 		case 1:
2924 			switch (revision.minor) {
2925 			case 11:
2926 			case 12:
2927 				result = get_integrated_info_v11(bp, info);
2928 				break;
2929 			default:
2930 				return result;
2931 			}
2932 			break;
2933 		case 2:
2934 			switch (revision.minor) {
2935 			case 1:
2936 				result = get_integrated_info_v2_1(bp, info);
2937 				break;
2938 			case 2:
2939 				result = get_integrated_info_v2_2(bp, info);
2940 				break;
2941 			default:
2942 				return result;
2943 			}
2944 			break;
2945 		default:
2946 			return result;
2947 		}
2948 		if (result == BP_RESULT_OK) {
2949 
2950 			DC_LOG_BIOS("edp1:\n"
2951 						"\tedp_pwr_on_off_delay = %d\n"
2952 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2953 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2954 						"\tedp_bootup_bl_level = %d\n",
2955 						info->edp1_info.edp_pwr_on_off_delay,
2956 						info->edp1_info.edp_pwr_on_vary_bl_to_blon,
2957 						info->edp1_info.edp_pwr_down_bloff_to_vary_bloff,
2958 						info->edp1_info.edp_bootup_bl_level);
2959 			DC_LOG_BIOS("edp2:\n"
2960 						"\tedp_pwr_on_off_delayv = %d\n"
2961 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2962 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2963 						"\tedp_bootup_bl_level = %d\n",
2964 						info->edp2_info.edp_pwr_on_off_delay,
2965 						info->edp2_info.edp_pwr_on_vary_bl_to_blon,
2966 						info->edp2_info.edp_pwr_down_bloff_to_vary_bloff,
2967 						info->edp2_info.edp_bootup_bl_level);
2968 		}
2969 	}
2970 
2971 	if (result != BP_RESULT_OK)
2972 		return result;
2973 	else {
2974 		// Log each external path
2975 		for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
2976 			if (info->ext_disp_conn_info.path[i].device_tag != 0)
2977 				DC_LOG_BIOS("integrated_info:For EXTERNAL DISPLAY PATH %d --------------\n"
2978 						"DEVICE_TAG: 0x%x\n"
2979 						"DEVICE_ACPI_ENUM: 0x%x\n"
2980 						"DEVICE_CONNECTOR_ID: 0x%x\n"
2981 						"EXT_AUX_DDC_LUT_INDEX: %d\n"
2982 						"EXT_HPD_PIN_LUT_INDEX: %d\n"
2983 						"EXT_ENCODER_OBJ_ID: 0x%x\n"
2984 						"Encoder CAPS: 0x%x\n",
2985 						i,
2986 						info->ext_disp_conn_info.path[i].device_tag,
2987 						info->ext_disp_conn_info.path[i].device_acpi_enum,
2988 						info->ext_disp_conn_info.path[i].device_connector_id.id,
2989 						info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index,
2990 						info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index,
2991 						info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id,
2992 						info->ext_disp_conn_info.path[i].caps
2993 						);
2994 			if (info->ext_disp_conn_info.path[i].caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)
2995 				DC_LOG_BIOS("BIOS EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
2996 			else if (bp->base.ctx->dc->config.force_bios_fixed_vs) {
2997 				info->ext_disp_conn_info.path[i].caps |= EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN;
2998 				DC_LOG_BIOS("driver forced EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
2999 			}
3000 		}
3001 		// Log the Checksum and Voltage Swing
3002 		DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n"
3003 					"Integrated info table FIX_DP_VOLTAGE_SWING: %d\n",
3004 					info->ext_disp_conn_info.checksum,
3005 					info->ext_disp_conn_info.fixdpvoltageswing);
3006 		if (bp->base.ctx->dc->config.force_bios_fixed_vs && info->ext_disp_conn_info.fixdpvoltageswing == 0) {
3007 			info->ext_disp_conn_info.fixdpvoltageswing = bp->base.ctx->dc->config.force_bios_fixed_vs & 0xF;
3008 			DC_LOG_BIOS("driver forced fixdpvoltageswing = %d\n", info->ext_disp_conn_info.fixdpvoltageswing);
3009 		}
3010 	}
3011 	/* Sort voltage table from low to high*/
3012 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
3013 		for (j = i; j > 0; --j) {
3014 			if (info->disp_clk_voltage[j].max_supported_clk <
3015 			    info->disp_clk_voltage[j-1].max_supported_clk)
3016 				swap(info->disp_clk_voltage[j-1], info->disp_clk_voltage[j]);
3017 		}
3018 	}
3019 
3020 	return result;
3021 }
3022 
3023 static enum bp_result bios_parser_get_vram_info(
3024 		struct dc_bios *dcb,
3025 		struct dc_vram_info *info)
3026 {
3027 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3028 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
3029 	struct atom_common_table_header *header;
3030 	struct atom_data_revision revision;
3031 
3032 	if (info && DATA_TABLES(vram_info)) {
3033 		header = GET_IMAGE(struct atom_common_table_header,
3034 					DATA_TABLES(vram_info));
3035 
3036 		get_atom_data_table_revision(header, &revision);
3037 
3038 		switch (revision.major) {
3039 		case 2:
3040 			switch (revision.minor) {
3041 			case 3:
3042 				result = get_vram_info_v23(bp, info);
3043 				break;
3044 			case 4:
3045 				result = get_vram_info_v24(bp, info);
3046 				break;
3047 			case 5:
3048 				result = get_vram_info_v25(bp, info);
3049 				break;
3050 			default:
3051 				break;
3052 			}
3053 			break;
3054 
3055 		case 3:
3056 			switch (revision.minor) {
3057 			case 0:
3058 				result = get_vram_info_v30(bp, info);
3059 				break;
3060 			default:
3061 				break;
3062 			}
3063 			break;
3064 
3065 		default:
3066 			return result;
3067 		}
3068 
3069 	}
3070 	return result;
3071 }
3072 
3073 static struct integrated_info *bios_parser_create_integrated_info(
3074 	struct dc_bios *dcb)
3075 {
3076 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3077 	struct integrated_info *info;
3078 
3079 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
3080 
3081 	if (info == NULL) {
3082 		ASSERT_CRITICAL(0);
3083 		return NULL;
3084 	}
3085 
3086 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
3087 		return info;
3088 
3089 	kfree(info);
3090 
3091 	return NULL;
3092 }
3093 
3094 static enum bp_result update_slot_layout_info(
3095 	struct dc_bios *dcb,
3096 	unsigned int i,
3097 	struct slot_layout_info *slot_layout_info)
3098 {
3099 	unsigned int record_offset;
3100 	unsigned int j;
3101 	struct atom_display_object_path_v2 *object;
3102 	struct atom_bracket_layout_record *record;
3103 	struct atom_common_record_header *record_header;
3104 	static enum bp_result result;
3105 	struct bios_parser *bp;
3106 	struct object_info_table *tbl;
3107 	struct display_object_info_table_v1_4 *v1_4;
3108 
3109 	record = NULL;
3110 	record_header = NULL;
3111 	result = BP_RESULT_NORECORD;
3112 
3113 	bp = BP_FROM_DCB(dcb);
3114 	tbl = &bp->object_info_tbl;
3115 	v1_4 = tbl->v1_4;
3116 
3117 	object = &v1_4->display_path[i];
3118 	record_offset = (unsigned int)
3119 		(object->disp_recordoffset) +
3120 		(unsigned int)(bp->object_info_tbl_offset);
3121 
3122 	for (;;) {
3123 
3124 		record_header = (struct atom_common_record_header *)
3125 			GET_IMAGE(struct atom_common_record_header,
3126 			record_offset);
3127 		if (record_header == NULL) {
3128 			result = BP_RESULT_BADBIOSTABLE;
3129 			break;
3130 		}
3131 
3132 		/* the end of the list */
3133 		if (record_header->record_type == 0xff ||
3134 			record_header->record_size == 0)	{
3135 			break;
3136 		}
3137 
3138 		if (record_header->record_type ==
3139 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
3140 			sizeof(struct atom_bracket_layout_record)
3141 			<= record_header->record_size) {
3142 			record = (struct atom_bracket_layout_record *)
3143 				(record_header);
3144 			result = BP_RESULT_OK;
3145 			break;
3146 		}
3147 
3148 		record_offset += record_header->record_size;
3149 	}
3150 
3151 	/* return if the record not found */
3152 	if (result != BP_RESULT_OK)
3153 		return result;
3154 
3155 	/* get slot sizes */
3156 	slot_layout_info->length = record->bracketlen;
3157 	slot_layout_info->width = record->bracketwidth;
3158 
3159 	/* get info for each connector in the slot */
3160 	slot_layout_info->num_of_connectors = record->conn_num;
3161 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
3162 		slot_layout_info->connectors[j].connector_type =
3163 			(enum connector_layout_type)
3164 			(record->conn_info[j].connector_type);
3165 		switch (record->conn_info[j].connector_type) {
3166 		case CONNECTOR_TYPE_DVI_D:
3167 			slot_layout_info->connectors[j].connector_type =
3168 				CONNECTOR_LAYOUT_TYPE_DVI_D;
3169 			slot_layout_info->connectors[j].length =
3170 				CONNECTOR_SIZE_DVI;
3171 			break;
3172 
3173 		case CONNECTOR_TYPE_HDMI:
3174 			slot_layout_info->connectors[j].connector_type =
3175 				CONNECTOR_LAYOUT_TYPE_HDMI;
3176 			slot_layout_info->connectors[j].length =
3177 				CONNECTOR_SIZE_HDMI;
3178 			break;
3179 
3180 		case CONNECTOR_TYPE_DISPLAY_PORT:
3181 			slot_layout_info->connectors[j].connector_type =
3182 				CONNECTOR_LAYOUT_TYPE_DP;
3183 			slot_layout_info->connectors[j].length =
3184 				CONNECTOR_SIZE_DP;
3185 			break;
3186 
3187 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
3188 			slot_layout_info->connectors[j].connector_type =
3189 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
3190 			slot_layout_info->connectors[j].length =
3191 				CONNECTOR_SIZE_MINI_DP;
3192 			break;
3193 
3194 		default:
3195 			slot_layout_info->connectors[j].connector_type =
3196 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3197 			slot_layout_info->connectors[j].length =
3198 				CONNECTOR_SIZE_UNKNOWN;
3199 		}
3200 
3201 		slot_layout_info->connectors[j].position =
3202 			record->conn_info[j].position;
3203 		slot_layout_info->connectors[j].connector_id =
3204 			object_id_from_bios_object_id(
3205 				record->conn_info[j].connectorobjid);
3206 	}
3207 	return result;
3208 }
3209 
3210 static enum bp_result update_slot_layout_info_v2(
3211 	struct dc_bios *dcb,
3212 	unsigned int i,
3213 	struct slot_layout_info *slot_layout_info)
3214 {
3215 	unsigned int record_offset;
3216 	struct atom_display_object_path_v3 *object;
3217 	struct atom_bracket_layout_record_v2 *record;
3218 	struct atom_common_record_header *record_header;
3219 	static enum bp_result result;
3220 	struct bios_parser *bp;
3221 	struct object_info_table *tbl;
3222 	struct display_object_info_table_v1_5 *v1_5;
3223 	struct graphics_object_id connector_id;
3224 
3225 	record = NULL;
3226 	record_header = NULL;
3227 	result = BP_RESULT_NORECORD;
3228 
3229 	bp = BP_FROM_DCB(dcb);
3230 	tbl = &bp->object_info_tbl;
3231 	v1_5 = tbl->v1_5;
3232 
3233 	object = &v1_5->display_path[i];
3234 	record_offset = (unsigned int)
3235 		(object->disp_recordoffset) +
3236 		(unsigned int)(bp->object_info_tbl_offset);
3237 
3238 	for (;;) {
3239 
3240 		record_header = (struct atom_common_record_header *)
3241 			GET_IMAGE(struct atom_common_record_header,
3242 			record_offset);
3243 		if (record_header == NULL) {
3244 			result = BP_RESULT_BADBIOSTABLE;
3245 			break;
3246 		}
3247 
3248 		/* the end of the list */
3249 		if (record_header->record_type == ATOM_RECORD_END_TYPE ||
3250 			record_header->record_size == 0)	{
3251 			break;
3252 		}
3253 
3254 		if (record_header->record_type ==
3255 			ATOM_BRACKET_LAYOUT_V2_RECORD_TYPE &&
3256 			sizeof(struct atom_bracket_layout_record_v2)
3257 			<= record_header->record_size) {
3258 			record = (struct atom_bracket_layout_record_v2 *)
3259 				(record_header);
3260 			result = BP_RESULT_OK;
3261 			break;
3262 		}
3263 
3264 		record_offset += record_header->record_size;
3265 	}
3266 
3267 	/* return if the record not found */
3268 	if (result != BP_RESULT_OK)
3269 		return result;
3270 
3271 	/* get slot sizes */
3272 	connector_id = object_id_from_bios_object_id(object->display_objid);
3273 
3274 	slot_layout_info->length = record->bracketlen;
3275 	slot_layout_info->width = record->bracketwidth;
3276 	slot_layout_info->num_of_connectors = v1_5->number_of_path;
3277 	slot_layout_info->connectors[i].position = record->conn_num;
3278 	slot_layout_info->connectors[i].connector_id = connector_id;
3279 
3280 	switch (connector_id.id) {
3281 	case CONNECTOR_ID_SINGLE_LINK_DVID:
3282 	case CONNECTOR_ID_DUAL_LINK_DVID:
3283 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DVI_D;
3284 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DVI;
3285 		break;
3286 
3287 	case CONNECTOR_ID_HDMI_TYPE_A:
3288 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_HDMI;
3289 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_HDMI;
3290 		break;
3291 
3292 	case CONNECTOR_ID_DISPLAY_PORT:
3293 	case CONNECTOR_ID_USBC:
3294 		if (record->mini_type == MINI_TYPE_NORMAL) {
3295 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DP;
3296 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DP;
3297 		} else {
3298 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_MINI_DP;
3299 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_MINI_DP;
3300 		}
3301 		break;
3302 
3303 	default:
3304 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3305 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_UNKNOWN;
3306 	}
3307 	return result;
3308 }
3309 
3310 static enum bp_result get_bracket_layout_record(
3311 	struct dc_bios *dcb,
3312 	unsigned int bracket_layout_id,
3313 	struct slot_layout_info *slot_layout_info)
3314 {
3315 	unsigned int i;
3316 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3317 	static enum bp_result result;
3318 	struct object_info_table *tbl;
3319 	struct display_object_info_table_v1_4 *v1_4;
3320 	struct display_object_info_table_v1_5 *v1_5;
3321 
3322 	if (slot_layout_info == NULL) {
3323 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
3324 		return BP_RESULT_BADINPUT;
3325 	}
3326 	tbl = &bp->object_info_tbl;
3327 	v1_4 = tbl->v1_4;
3328 	v1_5 = tbl->v1_5;
3329 
3330 	result = BP_RESULT_NORECORD;
3331 	switch (bp->object_info_tbl.revision.minor) {
3332 		case 4:
3333 		default:
3334 			for (i = 0; i < v1_4->number_of_path; ++i)	{
3335 				if (bracket_layout_id ==
3336 					v1_4->display_path[i].display_objid) {
3337 					result = update_slot_layout_info(dcb, i, slot_layout_info);
3338 					break;
3339 				}
3340 			}
3341 		    break;
3342 		case 5:
3343 			for (i = 0; i < v1_5->number_of_path; ++i)
3344 				result = update_slot_layout_info_v2(dcb, i, slot_layout_info);
3345 			break;
3346 	}
3347 	return result;
3348 }
3349 
3350 static enum bp_result bios_get_board_layout_info(
3351 	struct dc_bios *dcb,
3352 	struct board_layout_info *board_layout_info)
3353 {
3354 	unsigned int i;
3355 
3356 	struct bios_parser *bp;
3357 
3358 	static enum bp_result record_result;
3359 	unsigned int max_slots;
3360 
3361 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
3362 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
3363 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
3364 		0, 0
3365 	};
3366 
3367 
3368 	bp = BP_FROM_DCB(dcb);
3369 
3370 	if (board_layout_info == NULL) {
3371 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
3372 		return BP_RESULT_BADINPUT;
3373 	}
3374 
3375 	board_layout_info->num_of_slots = 0;
3376 	max_slots = MAX_BOARD_SLOTS;
3377 
3378 	// Assume single slot on v1_5
3379 	if (bp->object_info_tbl.revision.minor == 5) {
3380 		max_slots = 1;
3381 	}
3382 
3383 	for (i = 0; i < max_slots; ++i) {
3384 		record_result = get_bracket_layout_record(dcb,
3385 			slot_index_to_vbios_id[i],
3386 			&board_layout_info->slots[i]);
3387 
3388 		if (record_result == BP_RESULT_NORECORD && i > 0)
3389 			break; /* no more slots present in bios */
3390 		else if (record_result != BP_RESULT_OK)
3391 			return record_result;  /* fail */
3392 
3393 		++board_layout_info->num_of_slots;
3394 	}
3395 
3396 	/* all data is valid */
3397 	board_layout_info->is_number_of_slots_valid = 1;
3398 	board_layout_info->is_slots_size_valid = 1;
3399 	board_layout_info->is_connector_offsets_valid = 1;
3400 	board_layout_info->is_connector_lengths_valid = 1;
3401 
3402 	return BP_RESULT_OK;
3403 }
3404 
3405 
3406 static uint16_t bios_parser_pack_data_tables(
3407 	struct dc_bios *dcb,
3408 	void *dst)
3409 {
3410 	// TODO: There is data bytes alignment issue, disable it for now.
3411 	return 0;
3412 }
3413 
3414 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
3415 		struct bios_parser *bp,
3416 		uint32_t rev_major,
3417 		uint32_t rev_minor,
3418 		uint16_t *dc_golden_table_ver)
3419 {
3420 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
3421 	uint32_t dc_golden_offset = 0;
3422 	*dc_golden_table_ver = 0;
3423 
3424 	if (!DATA_TABLES(dce_info))
3425 		return NULL;
3426 
3427 	/* ver.4.4 or higher */
3428 	switch (rev_major) {
3429 	case 4:
3430 		switch (rev_minor) {
3431 		case 4:
3432 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
3433 									DATA_TABLES(dce_info));
3434 			if (!disp_cntl_tbl_4_4)
3435 				return NULL;
3436 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
3437 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
3438 			break;
3439 		case 5:
3440 		default:
3441 			/* For atom_display_controller_info_v4_5 there is no need to get golden table from
3442 			 * dc_golden_table_offset as all these fields previously in golden table used for AUX
3443 			 * pre-charge settings are now available directly in atom_display_controller_info_v4_5.
3444 			 */
3445 			break;
3446 		}
3447 		break;
3448 	}
3449 
3450 	if (!dc_golden_offset)
3451 		return NULL;
3452 
3453 	if (*dc_golden_table_ver != 1)
3454 		return NULL;
3455 
3456 	return GET_IMAGE(struct atom_dc_golden_table_v1,
3457 			dc_golden_offset);
3458 }
3459 
3460 static enum bp_result bios_get_atom_dc_golden_table(
3461 	struct dc_bios *dcb)
3462 {
3463 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3464 	enum bp_result result = BP_RESULT_OK;
3465 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
3466 	struct atom_common_table_header *header;
3467 	struct atom_data_revision tbl_revision;
3468 	uint16_t dc_golden_table_ver = 0;
3469 
3470 	header = GET_IMAGE(struct atom_common_table_header,
3471 							DATA_TABLES(dce_info));
3472 	if (!header)
3473 		return BP_RESULT_UNSUPPORTED;
3474 
3475 	get_atom_data_table_revision(header, &tbl_revision);
3476 
3477 	atom_dc_golden_table = bios_get_golden_table(bp,
3478 			tbl_revision.major,
3479 			tbl_revision.minor,
3480 			&dc_golden_table_ver);
3481 
3482 	if (!atom_dc_golden_table)
3483 		return BP_RESULT_UNSUPPORTED;
3484 
3485 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
3486 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
3487 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
3488 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
3489 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
3490 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
3491 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
3492 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
3493 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
3494 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
3495 
3496 	return result;
3497 }
3498 
3499 
3500 static const struct dc_vbios_funcs vbios_funcs = {
3501 	.get_connectors_number = bios_parser_get_connectors_number,
3502 
3503 	.get_connector_id = bios_parser_get_connector_id,
3504 
3505 	.get_src_obj = bios_parser_get_src_obj,
3506 
3507 	.get_i2c_info = bios_parser_get_i2c_info,
3508 
3509 	.get_hpd_info = bios_parser_get_hpd_info,
3510 
3511 	.get_device_tag = bios_parser_get_device_tag,
3512 
3513 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
3514 
3515 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
3516 
3517 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
3518 
3519 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
3520 
3521 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
3522 
3523 	.is_device_id_supported = bios_parser_is_device_id_supported,
3524 
3525 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
3526 
3527 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
3528 
3529 
3530 /*	 COMMANDS */
3531 	.encoder_control = bios_parser_encoder_control,
3532 
3533 	.transmitter_control = bios_parser_transmitter_control,
3534 
3535 	.enable_crtc = bios_parser_enable_crtc,
3536 
3537 	.set_pixel_clock = bios_parser_set_pixel_clock,
3538 
3539 	.set_dce_clock = bios_parser_set_dce_clock,
3540 
3541 	.program_crtc_timing = bios_parser_program_crtc_timing,
3542 
3543 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
3544 
3545 	.bios_parser_destroy = firmware_parser_destroy,
3546 
3547 	.get_board_layout_info = bios_get_board_layout_info,
3548 	/* TODO: use this fn in hw init?*/
3549 	.pack_data_tables = bios_parser_pack_data_tables,
3550 
3551 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
3552 
3553 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
3554 
3555 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
3556 
3557 	.get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
3558 
3559 	.get_lttpr_caps = bios_parser_get_lttpr_caps,
3560 
3561 	.get_lttpr_interop = bios_parser_get_lttpr_interop,
3562 
3563 	.get_connector_speed_cap_info = bios_parser_get_connector_speed_cap_info,
3564 };
3565 
3566 static bool bios_parser2_construct(
3567 	struct bios_parser *bp,
3568 	struct bp_init_data *init,
3569 	enum dce_version dce_version)
3570 {
3571 	uint16_t *rom_header_offset = NULL;
3572 	struct atom_rom_header_v2_2 *rom_header = NULL;
3573 	struct display_object_info_table_v1_4 *object_info_tbl;
3574 	struct atom_data_revision tbl_rev = {0};
3575 
3576 	if (!init)
3577 		return false;
3578 
3579 	if (!init->bios)
3580 		return false;
3581 
3582 	bp->base.funcs = &vbios_funcs;
3583 	bp->base.bios = init->bios;
3584 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
3585 
3586 	bp->base.ctx = init->ctx;
3587 
3588 	bp->base.bios_local_image = NULL;
3589 
3590 	rom_header_offset =
3591 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
3592 
3593 	if (!rom_header_offset)
3594 		return false;
3595 
3596 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
3597 
3598 	if (!rom_header)
3599 		return false;
3600 
3601 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
3602 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
3603 		return false;
3604 
3605 	bp->master_data_tbl =
3606 		GET_IMAGE(struct atom_master_data_table_v2_1,
3607 				rom_header->masterdatatable_offset);
3608 
3609 	if (!bp->master_data_tbl)
3610 		return false;
3611 
3612 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
3613 
3614 	if (!bp->object_info_tbl_offset)
3615 		return false;
3616 
3617 	object_info_tbl =
3618 			GET_IMAGE(struct display_object_info_table_v1_4,
3619 						bp->object_info_tbl_offset);
3620 
3621 	if (!object_info_tbl)
3622 		return false;
3623 
3624 	get_atom_data_table_revision(&object_info_tbl->table_header,
3625 		&bp->object_info_tbl.revision);
3626 
3627 	if (bp->object_info_tbl.revision.major == 1
3628 		&& bp->object_info_tbl.revision.minor == 4) {
3629 		struct display_object_info_table_v1_4 *tbl_v1_4;
3630 
3631 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
3632 			bp->object_info_tbl_offset);
3633 		if (!tbl_v1_4)
3634 			return false;
3635 
3636 		bp->object_info_tbl.v1_4 = tbl_v1_4;
3637 	} else if (bp->object_info_tbl.revision.major == 1
3638 		&& bp->object_info_tbl.revision.minor == 5) {
3639 		struct display_object_info_table_v1_5 *tbl_v1_5;
3640 
3641 		tbl_v1_5 = GET_IMAGE(struct display_object_info_table_v1_5,
3642 			bp->object_info_tbl_offset);
3643 		if (!tbl_v1_5)
3644 			return false;
3645 
3646 		bp->object_info_tbl.v1_5 = tbl_v1_5;
3647 	} else {
3648 		ASSERT(0);
3649 		return false;
3650 	}
3651 
3652 	dal_firmware_parser_init_cmd_tbl(bp);
3653 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
3654 
3655 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
3656 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
3657 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
3658 
3659 	return true;
3660 }
3661 
3662 struct dc_bios *firmware_parser_create(
3663 	struct bp_init_data *init,
3664 	enum dce_version dce_version)
3665 {
3666 	struct bios_parser *bp;
3667 
3668 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
3669 	if (!bp)
3670 		return NULL;
3671 
3672 	if (bios_parser2_construct(bp, init, dce_version))
3673 		return &bp->base;
3674 
3675 	kfree(bp);
3676 	return NULL;
3677 }
3678 
3679 
3680