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 
580 	        break;
581 	    case 5:
582 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
583 
584 		if (!object_path_v3)
585 			return BP_RESULT_BADINPUT;
586 
587 		record = get_hpd_record_for_path_v3(bp, object_path_v3);
588 		break;
589 	}
590 
591 	if (record != NULL) {
592 		info->hpd_int_gpio_uid = record->pin_id;
593 		info->hpd_active = record->plugin_pin_state;
594 		return BP_RESULT_OK;
595 	}
596 
597 	return BP_RESULT_NORECORD;
598 }
599 
600 static struct atom_hpd_int_record *get_hpd_record(
601 	struct bios_parser *bp,
602 	struct atom_display_object_path_v2 *object)
603 {
604 	struct atom_common_record_header *header;
605 	uint32_t offset;
606 
607 	if (!object) {
608 		BREAK_TO_DEBUGGER(); /* Invalid object */
609 		return NULL;
610 	}
611 
612 	offset = le16_to_cpu(object->disp_recordoffset)
613 			+ bp->object_info_tbl_offset;
614 
615 	for (;;) {
616 		header = GET_IMAGE(struct atom_common_record_header, offset);
617 
618 		if (!header)
619 			return NULL;
620 
621 		if (header->record_type == LAST_RECORD_TYPE ||
622 			!header->record_size)
623 			break;
624 
625 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
626 			&& sizeof(struct atom_hpd_int_record) <=
627 							header->record_size)
628 			return (struct atom_hpd_int_record *) header;
629 
630 		offset += header->record_size;
631 	}
632 
633 	return NULL;
634 }
635 
636 /**
637  * bios_parser_get_gpio_pin_info
638  * Get GpioPin information of input gpio id
639  *
640  * @dcb:     pointer to the DC BIOS
641  * @gpio_id: GPIO ID
642  * @info:    GpioPin information structure
643  * return: Bios parser result code
644  * note:
645  *  to get the GPIO PIN INFO, we need:
646  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
647  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
648  *	to get the registerA  offset/mask
649  */
650 static enum bp_result bios_parser_get_gpio_pin_info(
651 	struct dc_bios *dcb,
652 	uint32_t gpio_id,
653 	struct gpio_pin_info *info)
654 {
655 	struct bios_parser *bp = BP_FROM_DCB(dcb);
656 	struct atom_gpio_pin_lut_v2_1 *header;
657 	uint32_t count = 0;
658 	uint32_t i = 0;
659 
660 	if (!DATA_TABLES(gpio_pin_lut))
661 		return BP_RESULT_BADBIOSTABLE;
662 
663 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
664 						DATA_TABLES(gpio_pin_lut));
665 	if (!header)
666 		return BP_RESULT_BADBIOSTABLE;
667 
668 	if (sizeof(struct atom_common_table_header) +
669 			sizeof(struct atom_gpio_pin_assignment)
670 			> le16_to_cpu(header->table_header.structuresize))
671 		return BP_RESULT_BADBIOSTABLE;
672 
673 	if (header->table_header.content_revision != 1)
674 		return BP_RESULT_UNSUPPORTED;
675 
676 	/* Temporary hard code gpio pin info */
677 	count = (le16_to_cpu(header->table_header.structuresize)
678 			- sizeof(struct atom_common_table_header))
679 				/ sizeof(struct atom_gpio_pin_assignment);
680 	for (i = 0; i < count; ++i) {
681 		if (header->gpio_pin[i].gpio_id != gpio_id)
682 			continue;
683 
684 		info->offset =
685 			(uint32_t) le16_to_cpu(
686 					header->gpio_pin[i].data_a_reg_index);
687 		info->offset_y = info->offset + 2;
688 		info->offset_en = info->offset + 1;
689 		info->offset_mask = info->offset - 1;
690 
691 		info->mask = (uint32_t) (1 <<
692 			header->gpio_pin[i].gpio_bitshift);
693 		info->mask_y = info->mask + 2;
694 		info->mask_en = info->mask + 1;
695 		info->mask_mask = info->mask - 1;
696 
697 		return BP_RESULT_OK;
698 	}
699 
700 	return BP_RESULT_NORECORD;
701 }
702 
703 static struct device_id device_type_from_device_id(uint16_t device_id)
704 {
705 
706 	struct device_id result_device_id;
707 
708 	result_device_id.raw_device_tag = device_id;
709 
710 	switch (device_id) {
711 	case ATOM_DISPLAY_LCD1_SUPPORT:
712 		result_device_id.device_type = DEVICE_TYPE_LCD;
713 		result_device_id.enum_id = 1;
714 		break;
715 
716 	case ATOM_DISPLAY_LCD2_SUPPORT:
717 		result_device_id.device_type = DEVICE_TYPE_LCD;
718 		result_device_id.enum_id = 2;
719 		break;
720 
721 	case ATOM_DISPLAY_DFP1_SUPPORT:
722 		result_device_id.device_type = DEVICE_TYPE_DFP;
723 		result_device_id.enum_id = 1;
724 		break;
725 
726 	case ATOM_DISPLAY_DFP2_SUPPORT:
727 		result_device_id.device_type = DEVICE_TYPE_DFP;
728 		result_device_id.enum_id = 2;
729 		break;
730 
731 	case ATOM_DISPLAY_DFP3_SUPPORT:
732 		result_device_id.device_type = DEVICE_TYPE_DFP;
733 		result_device_id.enum_id = 3;
734 		break;
735 
736 	case ATOM_DISPLAY_DFP4_SUPPORT:
737 		result_device_id.device_type = DEVICE_TYPE_DFP;
738 		result_device_id.enum_id = 4;
739 		break;
740 
741 	case ATOM_DISPLAY_DFP5_SUPPORT:
742 		result_device_id.device_type = DEVICE_TYPE_DFP;
743 		result_device_id.enum_id = 5;
744 		break;
745 
746 	case ATOM_DISPLAY_DFP6_SUPPORT:
747 		result_device_id.device_type = DEVICE_TYPE_DFP;
748 		result_device_id.enum_id = 6;
749 		break;
750 
751 	default:
752 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
753 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
754 		result_device_id.enum_id = 0;
755 	}
756 	return result_device_id;
757 }
758 
759 static enum bp_result bios_parser_get_device_tag(
760 	struct dc_bios *dcb,
761 	struct graphics_object_id connector_object_id,
762 	uint32_t device_tag_index,
763 	struct connector_device_tag_info *info)
764 {
765 	struct bios_parser *bp = BP_FROM_DCB(dcb);
766 	struct atom_display_object_path_v2 *object;
767 
768 	struct atom_display_object_path_v3 *object_path_v3;
769 
770 
771 	if (!info)
772 		return BP_RESULT_BADINPUT;
773 
774 	switch (bp->object_info_tbl.revision.minor) {
775 	case 4:
776 	default:
777 	        /* getBiosObject will return MXM object */
778 		object = get_bios_object(bp, connector_object_id);
779 
780 		if (!object) {
781 			BREAK_TO_DEBUGGER(); /* Invalid object id */
782 			return BP_RESULT_BADINPUT;
783 		}
784 
785 		info->acpi_device = 0; /* BIOS no longer provides this */
786 		info->dev_id = device_type_from_device_id(object->device_tag);
787 		break;
788 	case 5:
789 		object_path_v3 = get_bios_object_from_path_v3(bp, connector_object_id);
790 
791 		if (!object_path_v3) {
792 			BREAK_TO_DEBUGGER(); /* Invalid object id */
793 			return BP_RESULT_BADINPUT;
794 		}
795 		info->acpi_device = 0; /* BIOS no longer provides this */
796 		info->dev_id = device_type_from_device_id(object_path_v3->device_tag);
797 		break;
798 	}
799 
800 	return BP_RESULT_OK;
801 }
802 
803 static enum bp_result get_ss_info_v4_1(
804 	struct bios_parser *bp,
805 	uint32_t id,
806 	uint32_t index,
807 	struct spread_spectrum_info *ss_info)
808 {
809 	enum bp_result result = BP_RESULT_OK;
810 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
811 	struct atom_smu_info_v3_3 *smu_info = NULL;
812 
813 	if (!ss_info)
814 		return BP_RESULT_BADINPUT;
815 
816 	if (!DATA_TABLES(dce_info))
817 		return BP_RESULT_BADBIOSTABLE;
818 
819 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
820 							DATA_TABLES(dce_info));
821 	if (!disp_cntl_tbl)
822 		return BP_RESULT_BADBIOSTABLE;
823 
824 
825 	ss_info->type.STEP_AND_DELAY_INFO = false;
826 	ss_info->spread_percentage_divider = 1000;
827 	/* BIOS no longer uses target clock.  Always enable for now */
828 	ss_info->target_clock_range = 0xffffffff;
829 
830 	switch (id) {
831 	case AS_SIGNAL_TYPE_DVI:
832 		ss_info->spread_spectrum_percentage =
833 				disp_cntl_tbl->dvi_ss_percentage;
834 		ss_info->spread_spectrum_range =
835 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
836 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
837 			ss_info->type.CENTER_MODE = true;
838 
839 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
840 		break;
841 	case AS_SIGNAL_TYPE_HDMI:
842 		ss_info->spread_spectrum_percentage =
843 				disp_cntl_tbl->hdmi_ss_percentage;
844 		ss_info->spread_spectrum_range =
845 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
846 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
847 			ss_info->type.CENTER_MODE = true;
848 
849 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
850 		break;
851 	/* TODO LVDS not support anymore? */
852 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
853 		ss_info->spread_spectrum_percentage =
854 				disp_cntl_tbl->dp_ss_percentage;
855 		ss_info->spread_spectrum_range =
856 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
857 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
858 			ss_info->type.CENTER_MODE = true;
859 
860 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
861 		break;
862 	case AS_SIGNAL_TYPE_GPU_PLL:
863 		/* atom_firmware: DAL only get data from dce_info table.
864 		 * if data within smu_info is needed for DAL, VBIOS should
865 		 * copy it into dce_info
866 		 */
867 		result = BP_RESULT_UNSUPPORTED;
868 		break;
869 	case AS_SIGNAL_TYPE_XGMI:
870 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
871 				      DATA_TABLES(smu_info));
872 		if (!smu_info)
873 			return BP_RESULT_BADBIOSTABLE;
874 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
875 		ss_info->spread_spectrum_percentage =
876 				smu_info->waflclk_ss_percentage;
877 		ss_info->spread_spectrum_range =
878 				smu_info->gpuclk_ss_rate_10hz * 10;
879 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
880 			ss_info->type.CENTER_MODE = true;
881 
882 		DC_LOG_BIOS("AS_SIGNAL_TYPE_XGMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
883 		break;
884 	default:
885 		result = BP_RESULT_UNSUPPORTED;
886 	}
887 
888 	return result;
889 }
890 
891 static enum bp_result get_ss_info_v4_2(
892 	struct bios_parser *bp,
893 	uint32_t id,
894 	uint32_t index,
895 	struct spread_spectrum_info *ss_info)
896 {
897 	enum bp_result result = BP_RESULT_OK;
898 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
899 	struct atom_smu_info_v3_1 *smu_info = NULL;
900 
901 	if (!ss_info)
902 		return BP_RESULT_BADINPUT;
903 
904 	if (!DATA_TABLES(dce_info))
905 		return BP_RESULT_BADBIOSTABLE;
906 
907 	if (!DATA_TABLES(smu_info))
908 		return BP_RESULT_BADBIOSTABLE;
909 
910 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
911 							DATA_TABLES(dce_info));
912 	if (!disp_cntl_tbl)
913 		return BP_RESULT_BADBIOSTABLE;
914 
915 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
916 	if (!smu_info)
917 		return BP_RESULT_BADBIOSTABLE;
918 
919 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
920 	ss_info->type.STEP_AND_DELAY_INFO = false;
921 	ss_info->spread_percentage_divider = 1000;
922 	/* BIOS no longer uses target clock.  Always enable for now */
923 	ss_info->target_clock_range = 0xffffffff;
924 
925 	switch (id) {
926 	case AS_SIGNAL_TYPE_DVI:
927 		ss_info->spread_spectrum_percentage =
928 				disp_cntl_tbl->dvi_ss_percentage;
929 		ss_info->spread_spectrum_range =
930 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
931 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
932 			ss_info->type.CENTER_MODE = true;
933 
934 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
935 		break;
936 	case AS_SIGNAL_TYPE_HDMI:
937 		ss_info->spread_spectrum_percentage =
938 				disp_cntl_tbl->hdmi_ss_percentage;
939 		ss_info->spread_spectrum_range =
940 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
941 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
942 			ss_info->type.CENTER_MODE = true;
943 
944 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
945 		break;
946 	/* TODO LVDS not support anymore? */
947 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
948 		ss_info->spread_spectrum_percentage =
949 				smu_info->gpuclk_ss_percentage;
950 		ss_info->spread_spectrum_range =
951 				smu_info->gpuclk_ss_rate_10hz * 10;
952 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
953 			ss_info->type.CENTER_MODE = true;
954 
955 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
956 		break;
957 	case AS_SIGNAL_TYPE_GPU_PLL:
958 		/* atom_firmware: DAL only get data from dce_info table.
959 		 * if data within smu_info is needed for DAL, VBIOS should
960 		 * copy it into dce_info
961 		 */
962 		result = BP_RESULT_UNSUPPORTED;
963 		break;
964 	default:
965 		result = BP_RESULT_UNSUPPORTED;
966 	}
967 
968 	return result;
969 }
970 
971 static enum bp_result get_ss_info_v4_5(
972 	struct bios_parser *bp,
973 	uint32_t id,
974 	uint32_t index,
975 	struct spread_spectrum_info *ss_info)
976 {
977 	enum bp_result result = BP_RESULT_OK;
978 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
979 
980 	if (!ss_info)
981 		return BP_RESULT_BADINPUT;
982 
983 	if (!DATA_TABLES(dce_info))
984 		return BP_RESULT_BADBIOSTABLE;
985 
986 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
987 							DATA_TABLES(dce_info));
988 	if (!disp_cntl_tbl)
989 		return BP_RESULT_BADBIOSTABLE;
990 
991 	ss_info->type.STEP_AND_DELAY_INFO = false;
992 	ss_info->spread_percentage_divider = 1000;
993 	/* BIOS no longer uses target clock.  Always enable for now */
994 	ss_info->target_clock_range = 0xffffffff;
995 
996 	switch (id) {
997 	case AS_SIGNAL_TYPE_DVI:
998 		ss_info->spread_spectrum_percentage =
999 				disp_cntl_tbl->dvi_ss_percentage;
1000 		ss_info->spread_spectrum_range =
1001 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
1002 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1003 			ss_info->type.CENTER_MODE = true;
1004 
1005 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1006 		break;
1007 	case AS_SIGNAL_TYPE_HDMI:
1008 		ss_info->spread_spectrum_percentage =
1009 				disp_cntl_tbl->hdmi_ss_percentage;
1010 		ss_info->spread_spectrum_range =
1011 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
1012 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1013 			ss_info->type.CENTER_MODE = true;
1014 
1015 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1016 		break;
1017 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
1018 		ss_info->spread_spectrum_percentage =
1019 				disp_cntl_tbl->dp_ss_percentage;
1020 		ss_info->spread_spectrum_range =
1021 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
1022 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1023 			ss_info->type.CENTER_MODE = true;
1024 
1025 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1026 		break;
1027 	case AS_SIGNAL_TYPE_GPU_PLL:
1028 		/* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.
1029 		 * SMU Display PLL supposed to be without spread.
1030 		 * Better place for it would be in atom_display_controller_info_v4_5 table.
1031 		 */
1032 		result = BP_RESULT_UNSUPPORTED;
1033 		break;
1034 	default:
1035 		result = BP_RESULT_UNSUPPORTED;
1036 		break;
1037 	}
1038 
1039 	return result;
1040 }
1041 
1042 /**
1043  * bios_parser_get_spread_spectrum_info
1044  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
1045  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
1046  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
1047  * ver 3.1,
1048  * there is only one entry for each signal /ss id.  However, there is
1049  * no planning of supporting multiple spread Sprectum entry for EverGreen
1050  * @dcb:     pointer to the DC BIOS
1051  * @signal:  ASSignalType to be converted to info index
1052  * @index:   number of entries that match the converted info index
1053  * @ss_info: sprectrum information structure,
1054  * return: Bios parser result code
1055  */
1056 static enum bp_result bios_parser_get_spread_spectrum_info(
1057 	struct dc_bios *dcb,
1058 	enum as_signal_type signal,
1059 	uint32_t index,
1060 	struct spread_spectrum_info *ss_info)
1061 {
1062 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1063 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1064 	struct atom_common_table_header *header;
1065 	struct atom_data_revision tbl_revision;
1066 
1067 	if (!ss_info) /* check for bad input */
1068 		return BP_RESULT_BADINPUT;
1069 
1070 	if (!DATA_TABLES(dce_info))
1071 		return BP_RESULT_UNSUPPORTED;
1072 
1073 	header = GET_IMAGE(struct atom_common_table_header,
1074 						DATA_TABLES(dce_info));
1075 	get_atom_data_table_revision(header, &tbl_revision);
1076 
1077 	switch (tbl_revision.major) {
1078 	case 4:
1079 		switch (tbl_revision.minor) {
1080 		case 1:
1081 			return get_ss_info_v4_1(bp, signal, index, ss_info);
1082 		case 2:
1083 		case 3:
1084 		case 4:
1085 			return get_ss_info_v4_2(bp, signal, index, ss_info);
1086 		case 5:
1087 			return get_ss_info_v4_5(bp, signal, index, ss_info);
1088 
1089 		default:
1090 			ASSERT(0);
1091 			break;
1092 		}
1093 		break;
1094 	default:
1095 		break;
1096 	}
1097 	/* there can not be more then one entry for SS Info table */
1098 	return result;
1099 }
1100 
1101 static enum bp_result get_soc_bb_info_v4_4(
1102 	struct bios_parser *bp,
1103 	struct bp_soc_bb_info *soc_bb_info)
1104 {
1105 	enum bp_result result = BP_RESULT_OK;
1106 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1107 
1108 	if (!soc_bb_info)
1109 		return BP_RESULT_BADINPUT;
1110 
1111 	if (!DATA_TABLES(dce_info))
1112 		return BP_RESULT_BADBIOSTABLE;
1113 
1114 	if (!DATA_TABLES(smu_info))
1115 		return BP_RESULT_BADBIOSTABLE;
1116 
1117 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
1118 							DATA_TABLES(dce_info));
1119 	if (!disp_cntl_tbl)
1120 		return BP_RESULT_BADBIOSTABLE;
1121 
1122 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1123 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1124 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1125 
1126 	return result;
1127 }
1128 
1129 static enum bp_result get_soc_bb_info_v4_5(
1130 	struct bios_parser *bp,
1131 	struct bp_soc_bb_info *soc_bb_info)
1132 {
1133 	enum bp_result result = BP_RESULT_OK;
1134 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1135 
1136 	if (!soc_bb_info)
1137 		return BP_RESULT_BADINPUT;
1138 
1139 	if (!DATA_TABLES(dce_info))
1140 		return BP_RESULT_BADBIOSTABLE;
1141 
1142 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1143 							DATA_TABLES(dce_info));
1144 	if (!disp_cntl_tbl)
1145 		return BP_RESULT_BADBIOSTABLE;
1146 
1147 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1148 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1149 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1150 
1151 	return result;
1152 }
1153 
1154 static enum bp_result bios_parser_get_soc_bb_info(
1155 	struct dc_bios *dcb,
1156 	struct bp_soc_bb_info *soc_bb_info)
1157 {
1158 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1159 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1160 	struct atom_common_table_header *header;
1161 	struct atom_data_revision tbl_revision;
1162 
1163 	if (!soc_bb_info) /* check for bad input */
1164 		return BP_RESULT_BADINPUT;
1165 
1166 	if (!DATA_TABLES(dce_info))
1167 		return BP_RESULT_UNSUPPORTED;
1168 
1169 	header = GET_IMAGE(struct atom_common_table_header,
1170 						DATA_TABLES(dce_info));
1171 	get_atom_data_table_revision(header, &tbl_revision);
1172 
1173 	switch (tbl_revision.major) {
1174 	case 4:
1175 		switch (tbl_revision.minor) {
1176 		case 1:
1177 		case 2:
1178 		case 3:
1179 			break;
1180 		case 4:
1181 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
1182 			break;
1183 		case 5:
1184 			result = get_soc_bb_info_v4_5(bp, soc_bb_info);
1185 			break;
1186 		default:
1187 			break;
1188 		}
1189 		break;
1190 	default:
1191 		break;
1192 	}
1193 
1194 	return result;
1195 }
1196 
1197 static enum bp_result get_disp_caps_v4_1(
1198 	struct bios_parser *bp,
1199 	uint8_t *dce_caps)
1200 {
1201 	enum bp_result result = BP_RESULT_OK;
1202 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
1203 
1204 	if (!dce_caps)
1205 		return BP_RESULT_BADINPUT;
1206 
1207 	if (!DATA_TABLES(dce_info))
1208 		return BP_RESULT_BADBIOSTABLE;
1209 
1210 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_1,
1211 							DATA_TABLES(dce_info));
1212 
1213 	if (!disp_cntl_tbl)
1214 		return BP_RESULT_BADBIOSTABLE;
1215 
1216 	*dce_caps = disp_cntl_tbl->display_caps;
1217 
1218 	return result;
1219 }
1220 
1221 static enum bp_result get_disp_caps_v4_2(
1222 	struct bios_parser *bp,
1223 	uint8_t *dce_caps)
1224 {
1225 	enum bp_result result = BP_RESULT_OK;
1226 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
1227 
1228 	if (!dce_caps)
1229 		return BP_RESULT_BADINPUT;
1230 
1231 	if (!DATA_TABLES(dce_info))
1232 		return BP_RESULT_BADBIOSTABLE;
1233 
1234 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_2,
1235 							DATA_TABLES(dce_info));
1236 
1237 	if (!disp_cntl_tbl)
1238 		return BP_RESULT_BADBIOSTABLE;
1239 
1240 	*dce_caps = disp_cntl_tbl->display_caps;
1241 
1242 	return result;
1243 }
1244 
1245 static enum bp_result get_disp_caps_v4_3(
1246 	struct bios_parser *bp,
1247 	uint8_t *dce_caps)
1248 {
1249 	enum bp_result result = BP_RESULT_OK;
1250 	struct atom_display_controller_info_v4_3 *disp_cntl_tbl = NULL;
1251 
1252 	if (!dce_caps)
1253 		return BP_RESULT_BADINPUT;
1254 
1255 	if (!DATA_TABLES(dce_info))
1256 		return BP_RESULT_BADBIOSTABLE;
1257 
1258 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_3,
1259 							DATA_TABLES(dce_info));
1260 
1261 	if (!disp_cntl_tbl)
1262 		return BP_RESULT_BADBIOSTABLE;
1263 
1264 	*dce_caps = disp_cntl_tbl->display_caps;
1265 
1266 	return result;
1267 }
1268 
1269 static enum bp_result get_disp_caps_v4_4(
1270 	struct bios_parser *bp,
1271 	uint8_t *dce_caps)
1272 {
1273 	enum bp_result result = BP_RESULT_OK;
1274 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1275 
1276 	if (!dce_caps)
1277 		return BP_RESULT_BADINPUT;
1278 
1279 	if (!DATA_TABLES(dce_info))
1280 		return BP_RESULT_BADBIOSTABLE;
1281 
1282 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_4,
1283 							DATA_TABLES(dce_info));
1284 
1285 	if (!disp_cntl_tbl)
1286 		return BP_RESULT_BADBIOSTABLE;
1287 
1288 	*dce_caps = disp_cntl_tbl->display_caps;
1289 
1290 	return result;
1291 }
1292 
1293 static enum bp_result get_disp_caps_v4_5(
1294 	struct bios_parser *bp,
1295 	uint8_t *dce_caps)
1296 {
1297 	enum bp_result result = BP_RESULT_OK;
1298 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1299 
1300 	if (!dce_caps)
1301 		return BP_RESULT_BADINPUT;
1302 
1303 	if (!DATA_TABLES(dce_info))
1304 		return BP_RESULT_BADBIOSTABLE;
1305 
1306 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_5,
1307 							DATA_TABLES(dce_info));
1308 
1309 	if (!disp_cntl_tbl)
1310 		return BP_RESULT_BADBIOSTABLE;
1311 
1312 	*dce_caps = disp_cntl_tbl->display_caps;
1313 
1314 	return result;
1315 }
1316 
1317 static enum bp_result bios_parser_get_lttpr_interop(
1318 	struct dc_bios *dcb,
1319 	uint8_t *dce_caps)
1320 {
1321 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1322 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1323 	struct atom_common_table_header *header;
1324 	struct atom_data_revision tbl_revision;
1325 
1326 	if (!DATA_TABLES(dce_info))
1327 		return BP_RESULT_UNSUPPORTED;
1328 
1329 	header = GET_IMAGE(struct atom_common_table_header,
1330 						DATA_TABLES(dce_info));
1331 	get_atom_data_table_revision(header, &tbl_revision);
1332 	switch (tbl_revision.major) {
1333 	case 4:
1334 		switch (tbl_revision.minor) {
1335 		case 1:
1336 			result = get_disp_caps_v4_1(bp, dce_caps);
1337 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1338 			break;
1339 		case 2:
1340 			result = get_disp_caps_v4_2(bp, dce_caps);
1341 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1342 			break;
1343 		case 3:
1344 			result = get_disp_caps_v4_3(bp, dce_caps);
1345 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1346 			break;
1347 		case 4:
1348 			result = get_disp_caps_v4_4(bp, dce_caps);
1349 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1350 			break;
1351 		case 5:
1352 			result = get_disp_caps_v4_5(bp, dce_caps);
1353 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1354 			break;
1355 
1356 		default:
1357 			break;
1358 		}
1359 		break;
1360 	default:
1361 		break;
1362 	}
1363 	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);
1364 	return result;
1365 }
1366 
1367 static enum bp_result bios_parser_get_lttpr_caps(
1368 	struct dc_bios *dcb,
1369 	uint8_t *dce_caps)
1370 {
1371 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1372 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1373 	struct atom_common_table_header *header;
1374 	struct atom_data_revision tbl_revision;
1375 
1376 	if (!DATA_TABLES(dce_info))
1377 		return BP_RESULT_UNSUPPORTED;
1378 
1379 	*dce_caps  = 0;
1380 	header = GET_IMAGE(struct atom_common_table_header,
1381 						DATA_TABLES(dce_info));
1382 	get_atom_data_table_revision(header, &tbl_revision);
1383 	switch (tbl_revision.major) {
1384 	case 4:
1385 		switch (tbl_revision.minor) {
1386 		case 1:
1387 			result = get_disp_caps_v4_1(bp, dce_caps);
1388 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1389 			break;
1390 		case 2:
1391 			result = get_disp_caps_v4_2(bp, dce_caps);
1392 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1393 			break;
1394 		case 3:
1395 			result = get_disp_caps_v4_3(bp, dce_caps);
1396 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1397 			break;
1398 		case 4:
1399 			result = get_disp_caps_v4_4(bp, dce_caps);
1400 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1401 			break;
1402 		case 5:
1403 			result = get_disp_caps_v4_5(bp, dce_caps);
1404 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1405 			break;
1406 		default:
1407 			break;
1408 		}
1409 		break;
1410 	default:
1411 		break;
1412 	}
1413 	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);
1414 	if (dcb->ctx->dc->config.force_bios_enable_lttpr && *dce_caps == 0) {
1415 		*dce_caps = 1;
1416 		DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: forced enabled");
1417 	}
1418 	return result;
1419 }
1420 
1421 static enum bp_result get_embedded_panel_info_v2_1(
1422 		struct bios_parser *bp,
1423 		struct embedded_panel_info *info)
1424 {
1425 	struct lcd_info_v2_1 *lvds;
1426 
1427 	if (!info)
1428 		return BP_RESULT_BADINPUT;
1429 
1430 	if (!DATA_TABLES(lcd_info))
1431 		return BP_RESULT_UNSUPPORTED;
1432 
1433 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1434 
1435 	if (!lvds)
1436 		return BP_RESULT_BADBIOSTABLE;
1437 
1438 	/* TODO: previous vv1_3, should v2_1 */
1439 	if (!((lvds->table_header.format_revision == 2)
1440 			&& (lvds->table_header.content_revision >= 1)))
1441 		return BP_RESULT_UNSUPPORTED;
1442 
1443 	memset(info, 0, sizeof(struct embedded_panel_info));
1444 
1445 	/* We need to convert from 10KHz units into KHz units */
1446 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1447 	/* usHActive does not include borders, according to VBIOS team */
1448 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
1449 	/* usHBlanking_Time includes borders, so we should really be
1450 	 * subtractingborders duing this translation, but LVDS generally
1451 	 * doesn't have borders, so we should be okay leaving this as is for
1452 	 * now.  May need to revisit if we ever have LVDS with borders
1453 	 */
1454 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1455 	/* usVActive does not include borders, according to VBIOS team*/
1456 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
1457 	/* usVBlanking_Time includes borders, so we should really be
1458 	 * subtracting borders duing this translation, but LVDS generally
1459 	 * doesn't have borders, so we should be okay leaving this as is for
1460 	 * now. May need to revisit if we ever have LVDS with borders
1461 	 */
1462 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1463 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1464 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
1465 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1466 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1467 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1468 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1469 
1470 	/* not provided by VBIOS */
1471 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1472 
1473 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1474 			& ATOM_HSYNC_POLARITY);
1475 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1476 			& ATOM_VSYNC_POLARITY);
1477 
1478 	/* not provided by VBIOS */
1479 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1480 
1481 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1482 			& ATOM_H_REPLICATIONBY2);
1483 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1484 			& ATOM_V_REPLICATIONBY2);
1485 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
1486 			& ATOM_COMPOSITESYNC);
1487 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1488 
1489 	/* not provided by VBIOS*/
1490 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1491 	/* not provided by VBIOS*/
1492 	info->ss_id = 0;
1493 
1494 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1495 
1496 	return BP_RESULT_OK;
1497 }
1498 
1499 static enum bp_result bios_parser_get_embedded_panel_info(
1500 		struct dc_bios *dcb,
1501 		struct embedded_panel_info *info)
1502 {
1503 	struct bios_parser
1504 	*bp = BP_FROM_DCB(dcb);
1505 	struct atom_common_table_header *header;
1506 	struct atom_data_revision tbl_revision;
1507 
1508 	if (!DATA_TABLES(lcd_info))
1509 		return BP_RESULT_FAILURE;
1510 
1511 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1512 
1513 	if (!header)
1514 		return BP_RESULT_BADBIOSTABLE;
1515 
1516 	get_atom_data_table_revision(header, &tbl_revision);
1517 
1518 	switch (tbl_revision.major) {
1519 	case 2:
1520 		switch (tbl_revision.minor) {
1521 		case 1:
1522 			return get_embedded_panel_info_v2_1(bp, info);
1523 		default:
1524 			break;
1525 		}
1526 		break;
1527 	default:
1528 		break;
1529 	}
1530 
1531 	return BP_RESULT_FAILURE;
1532 }
1533 
1534 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1535 {
1536 	enum dal_device_type device_type = device_id.device_type;
1537 	uint32_t enum_id = device_id.enum_id;
1538 
1539 	switch (device_type) {
1540 	case DEVICE_TYPE_LCD:
1541 		switch (enum_id) {
1542 		case 1:
1543 			return ATOM_DISPLAY_LCD1_SUPPORT;
1544 		default:
1545 			break;
1546 		}
1547 		break;
1548 	case DEVICE_TYPE_DFP:
1549 		switch (enum_id) {
1550 		case 1:
1551 			return ATOM_DISPLAY_DFP1_SUPPORT;
1552 		case 2:
1553 			return ATOM_DISPLAY_DFP2_SUPPORT;
1554 		case 3:
1555 			return ATOM_DISPLAY_DFP3_SUPPORT;
1556 		case 4:
1557 			return ATOM_DISPLAY_DFP4_SUPPORT;
1558 		case 5:
1559 			return ATOM_DISPLAY_DFP5_SUPPORT;
1560 		case 6:
1561 			return ATOM_DISPLAY_DFP6_SUPPORT;
1562 		default:
1563 			break;
1564 		}
1565 		break;
1566 	default:
1567 		break;
1568 	}
1569 
1570 	/* Unidentified device ID, return empty support mask. */
1571 	return 0;
1572 }
1573 
1574 static bool bios_parser_is_device_id_supported(
1575 	struct dc_bios *dcb,
1576 	struct device_id id)
1577 {
1578 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1579 
1580 	uint32_t mask = get_support_mask_for_device_id(id);
1581 
1582 	switch (bp->object_info_tbl.revision.minor) {
1583 	case 4:
1584 	default:
1585 		return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) & mask) != 0;
1586 		break;
1587 	case 5:
1588 		return (le16_to_cpu(bp->object_info_tbl.v1_5->supporteddevices) & mask) != 0;
1589 		break;
1590 	}
1591 
1592 	return false;
1593 }
1594 
1595 static uint32_t bios_parser_get_ss_entry_number(
1596 	struct dc_bios *dcb,
1597 	enum as_signal_type signal)
1598 {
1599 	/* TODO: DAL2 atomfirmware implementation does not need this.
1600 	 * why DAL3 need this?
1601 	 */
1602 	return 1;
1603 }
1604 
1605 static enum bp_result bios_parser_transmitter_control(
1606 	struct dc_bios *dcb,
1607 	struct bp_transmitter_control *cntl)
1608 {
1609 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1610 
1611 	if (!bp->cmd_tbl.transmitter_control)
1612 		return BP_RESULT_FAILURE;
1613 
1614 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1615 }
1616 
1617 static enum bp_result bios_parser_encoder_control(
1618 	struct dc_bios *dcb,
1619 	struct bp_encoder_control *cntl)
1620 {
1621 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1622 
1623 	if (!bp->cmd_tbl.dig_encoder_control)
1624 		return BP_RESULT_FAILURE;
1625 
1626 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1627 }
1628 
1629 static enum bp_result bios_parser_set_pixel_clock(
1630 	struct dc_bios *dcb,
1631 	struct bp_pixel_clock_parameters *bp_params)
1632 {
1633 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1634 
1635 	if (!bp->cmd_tbl.set_pixel_clock)
1636 		return BP_RESULT_FAILURE;
1637 
1638 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1639 }
1640 
1641 static enum bp_result bios_parser_set_dce_clock(
1642 	struct dc_bios *dcb,
1643 	struct bp_set_dce_clock_parameters *bp_params)
1644 {
1645 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1646 
1647 	if (!bp->cmd_tbl.set_dce_clock)
1648 		return BP_RESULT_FAILURE;
1649 
1650 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1651 }
1652 
1653 static enum bp_result bios_parser_program_crtc_timing(
1654 	struct dc_bios *dcb,
1655 	struct bp_hw_crtc_timing_parameters *bp_params)
1656 {
1657 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1658 
1659 	if (!bp->cmd_tbl.set_crtc_timing)
1660 		return BP_RESULT_FAILURE;
1661 
1662 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1663 }
1664 
1665 static enum bp_result bios_parser_enable_crtc(
1666 	struct dc_bios *dcb,
1667 	enum controller_id id,
1668 	bool enable)
1669 {
1670 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1671 
1672 	if (!bp->cmd_tbl.enable_crtc)
1673 		return BP_RESULT_FAILURE;
1674 
1675 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1676 }
1677 
1678 static enum bp_result bios_parser_enable_disp_power_gating(
1679 	struct dc_bios *dcb,
1680 	enum controller_id controller_id,
1681 	enum bp_pipe_control_action action)
1682 {
1683 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1684 
1685 	if (!bp->cmd_tbl.enable_disp_power_gating)
1686 		return BP_RESULT_FAILURE;
1687 
1688 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1689 		action);
1690 }
1691 
1692 static enum bp_result bios_parser_enable_lvtma_control(
1693 	struct dc_bios *dcb,
1694 	uint8_t uc_pwr_on,
1695 	uint8_t panel_instance,
1696 	uint8_t bypass_panel_control_wait)
1697 {
1698 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1699 
1700 	if (!bp->cmd_tbl.enable_lvtma_control)
1701 		return BP_RESULT_FAILURE;
1702 
1703 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, panel_instance, bypass_panel_control_wait);
1704 }
1705 
1706 static bool bios_parser_is_accelerated_mode(
1707 	struct dc_bios *dcb)
1708 {
1709 	return bios_is_accelerated_mode(dcb);
1710 }
1711 
1712 /**
1713  * bios_parser_set_scratch_critical_state - update critical state bit
1714  *                                          in VBIOS scratch register
1715  *
1716  * @dcb:   pointer to the DC BIO
1717  * @state: set or reset state
1718  */
1719 static void bios_parser_set_scratch_critical_state(
1720 	struct dc_bios *dcb,
1721 	bool state)
1722 {
1723 	bios_set_scratch_critical_state(dcb, state);
1724 }
1725 
1726 struct atom_dig_transmitter_info_header_v5_3 {
1727     struct atom_common_table_header table_header;
1728     uint16_t dpphy_hdmi_settings_offset;
1729     uint16_t dpphy_dvi_settings_offset;
1730     uint16_t dpphy_dp_setting_table_offset;
1731     uint16_t uniphy_xbar_settings_v2_table_offset;
1732     uint16_t dpphy_internal_reg_overide_offset;
1733 };
1734 
1735 static enum bp_result bios_parser_get_firmware_info(
1736 	struct dc_bios *dcb,
1737 	struct dc_firmware_info *info)
1738 {
1739 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1740 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
1741 	struct atom_common_table_header *header;
1742 
1743 	struct atom_data_revision revision;
1744 
1745 	if (info && DATA_TABLES(firmwareinfo)) {
1746 		header = GET_IMAGE(struct atom_common_table_header,
1747 				DATA_TABLES(firmwareinfo));
1748 		get_atom_data_table_revision(header, &revision);
1749 		switch (revision.major) {
1750 		case 3:
1751 			switch (revision.minor) {
1752 			case 1:
1753 				result = get_firmware_info_v3_1(bp, info);
1754 				break;
1755 			case 2:
1756 			case 3:
1757 				result = get_firmware_info_v3_2(bp, info);
1758 			break;
1759 			case 4:
1760 				result = get_firmware_info_v3_4(bp, info);
1761 				break;
1762 			default:
1763 				break;
1764 			}
1765 			break;
1766 		default:
1767 			break;
1768 		}
1769 	}
1770 
1771 	return result;
1772 }
1773 
1774 static enum bp_result get_firmware_info_v3_1(
1775 	struct bios_parser *bp,
1776 	struct dc_firmware_info *info)
1777 {
1778 	struct atom_firmware_info_v3_1 *firmware_info;
1779 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1780 
1781 	if (!info)
1782 		return BP_RESULT_BADINPUT;
1783 
1784 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1785 			DATA_TABLES(firmwareinfo));
1786 
1787 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1788 			DATA_TABLES(dce_info));
1789 
1790 	if (!firmware_info || !dce_info)
1791 		return BP_RESULT_BADBIOSTABLE;
1792 
1793 	memset(info, 0, sizeof(*info));
1794 
1795 	/* Pixel clock pll information. */
1796 	 /* We need to convert from 10KHz units into KHz units */
1797 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1798 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1799 
1800 	 /* 27MHz for Vega10: */
1801 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1802 
1803 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1804 	if (info->pll_info.crystal_frequency == 0)
1805 		info->pll_info.crystal_frequency = 27000;
1806 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1807 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1808 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1809 
1810 	/* Get GPU PLL VCO Clock */
1811 
1812 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1813 		/* VBIOS gives in 10KHz */
1814 		info->smu_gpu_pll_output_freq =
1815 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1816 	}
1817 
1818 	info->oem_i2c_present = false;
1819 
1820 	return BP_RESULT_OK;
1821 }
1822 
1823 static enum bp_result get_firmware_info_v3_2(
1824 	struct bios_parser *bp,
1825 	struct dc_firmware_info *info)
1826 {
1827 	struct atom_firmware_info_v3_2 *firmware_info;
1828 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1829 	struct atom_common_table_header *header;
1830 	struct atom_data_revision revision;
1831 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1832 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1833 
1834 	if (!info)
1835 		return BP_RESULT_BADINPUT;
1836 
1837 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1838 			DATA_TABLES(firmwareinfo));
1839 
1840 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1841 			DATA_TABLES(dce_info));
1842 
1843 	if (!firmware_info || !dce_info)
1844 		return BP_RESULT_BADBIOSTABLE;
1845 
1846 	memset(info, 0, sizeof(*info));
1847 
1848 	header = GET_IMAGE(struct atom_common_table_header,
1849 					DATA_TABLES(smu_info));
1850 	get_atom_data_table_revision(header, &revision);
1851 
1852 	if (revision.minor == 2) {
1853 		/* Vega12 */
1854 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1855 							DATA_TABLES(smu_info));
1856 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_2->gpuclk_ss_percentage);
1857 		if (!smu_info_v3_2)
1858 			return BP_RESULT_BADBIOSTABLE;
1859 
1860 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1861 	} else if (revision.minor == 3) {
1862 		/* Vega20 */
1863 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1864 							DATA_TABLES(smu_info));
1865 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_3->gpuclk_ss_percentage);
1866 		if (!smu_info_v3_3)
1867 			return BP_RESULT_BADBIOSTABLE;
1868 
1869 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1870 	}
1871 
1872 	 // We need to convert from 10KHz units into KHz units.
1873 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1874 
1875 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1876 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1877 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1878 	if (info->pll_info.crystal_frequency == 0) {
1879 		if (revision.minor == 2)
1880 			info->pll_info.crystal_frequency = 27000;
1881 		else if (revision.minor == 3)
1882 			info->pll_info.crystal_frequency = 100000;
1883 	}
1884 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1885 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1886 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1887 
1888 	/* Get GPU PLL VCO Clock */
1889 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1890 		if (revision.minor == 2)
1891 			info->smu_gpu_pll_output_freq =
1892 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1893 		else if (revision.minor == 3)
1894 			info->smu_gpu_pll_output_freq =
1895 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1896 	}
1897 
1898 	if (firmware_info->board_i2c_feature_id == 0x2) {
1899 		info->oem_i2c_present = true;
1900 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1901 	} else {
1902 		info->oem_i2c_present = false;
1903 	}
1904 
1905 	return BP_RESULT_OK;
1906 }
1907 
1908 static enum bp_result get_firmware_info_v3_4(
1909 	struct bios_parser *bp,
1910 	struct dc_firmware_info *info)
1911 {
1912 	struct atom_firmware_info_v3_4 *firmware_info;
1913 	struct atom_common_table_header *header;
1914 	struct atom_data_revision revision;
1915 	struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
1916 	struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
1917 
1918 	struct atom_smu_info_v3_5 *smu_info_v3_5 = NULL;
1919 	struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
1920 	struct atom_smu_info_v4_0 *smu_info_v4_0 = NULL;
1921 
1922 	if (!info)
1923 		return BP_RESULT_BADINPUT;
1924 
1925 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
1926 			DATA_TABLES(firmwareinfo));
1927 
1928 	if (!firmware_info)
1929 		return BP_RESULT_BADBIOSTABLE;
1930 
1931 	memset(info, 0, sizeof(*info));
1932 
1933 	header = GET_IMAGE(struct atom_common_table_header,
1934 					DATA_TABLES(dce_info));
1935 
1936 	get_atom_data_table_revision(header, &revision);
1937 
1938 	switch (revision.major) {
1939 	case 4:
1940 		switch (revision.minor) {
1941 		case 5:
1942 			dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
1943 							DATA_TABLES(dce_info));
1944 
1945 			if (!dce_info_v4_5)
1946 				return BP_RESULT_BADBIOSTABLE;
1947 
1948 			 /* 100MHz expected */
1949 			info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
1950 			info->dp_phy_ref_clk             = dce_info_v4_5->dpphy_refclk_10khz * 10;
1951 			 /* 50MHz expected */
1952 			info->i2c_engine_ref_clk         = dce_info_v4_5->i2c_engine_refclk_10khz * 10;
1953 
1954 			/* For DCN32/321 Display PLL VCO Frequency from dce_info_v4_5 may not be reliable */
1955 			break;
1956 
1957 		case 4:
1958 			dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
1959 							DATA_TABLES(dce_info));
1960 
1961 			if (!dce_info_v4_4)
1962 				return BP_RESULT_BADBIOSTABLE;
1963 
1964 			/* 100MHz expected */
1965 			info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10;
1966 			info->dp_phy_ref_clk             = dce_info_v4_4->dpphy_refclk_10khz * 10;
1967 			/* 50MHz expected */
1968 			info->i2c_engine_ref_clk         = dce_info_v4_4->i2c_engine_refclk_10khz * 10;
1969 
1970 			/* Get SMU Display PLL VCO Frequency in KHz*/
1971 			info->smu_gpu_pll_output_freq =	dce_info_v4_4->dispclk_pll_vco_freq * 10;
1972 			break;
1973 
1974 		default:
1975 			/* should not come here, keep as backup, as was before */
1976 			dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1,
1977 							DATA_TABLES(dce_info));
1978 
1979 			if (!dce_info_v4_1)
1980 				return BP_RESULT_BADBIOSTABLE;
1981 
1982 			info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10;
1983 			info->dp_phy_ref_clk             = dce_info_v4_1->dpphy_refclk_10khz * 10;
1984 			info->i2c_engine_ref_clk         = dce_info_v4_1->i2c_engine_refclk_10khz * 10;
1985 			break;
1986 		}
1987 		break;
1988 
1989 	default:
1990 		ASSERT(0);
1991 		break;
1992 	}
1993 
1994 	header = GET_IMAGE(struct atom_common_table_header,
1995 					DATA_TABLES(smu_info));
1996 	get_atom_data_table_revision(header, &revision);
1997 
1998 	switch (revision.major) {
1999 	case 3:
2000 		switch (revision.minor) {
2001 		case 5:
2002 			smu_info_v3_5 = GET_IMAGE(struct atom_smu_info_v3_5,
2003 							DATA_TABLES(smu_info));
2004 
2005 			if (!smu_info_v3_5)
2006 				return BP_RESULT_BADBIOSTABLE;
2007 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_5->gpuclk_ss_percentage);
2008 			info->default_engine_clk = smu_info_v3_5->bootup_dcefclk_10khz * 10;
2009 			break;
2010 
2011 		default:
2012 			break;
2013 		}
2014 		break;
2015 
2016 	case 4:
2017 		switch (revision.minor) {
2018 		case 0:
2019 			smu_info_v4_0 = GET_IMAGE(struct atom_smu_info_v4_0,
2020 							DATA_TABLES(smu_info));
2021 
2022 			if (!smu_info_v4_0)
2023 				return BP_RESULT_BADBIOSTABLE;
2024 
2025 			/* For DCN32/321 bootup DCFCLK from smu_info_v4_0 may not be reliable */
2026 			break;
2027 
2028 		default:
2029 			break;
2030 		}
2031 		break;
2032 
2033 	default:
2034 		break;
2035 	}
2036 
2037 	 // We need to convert from 10KHz units into KHz units.
2038 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
2039 
2040 	if (firmware_info->board_i2c_feature_id == 0x2) {
2041 		info->oem_i2c_present = true;
2042 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2043 	} else {
2044 		info->oem_i2c_present = false;
2045 	}
2046 
2047 	return BP_RESULT_OK;
2048 }
2049 
2050 static enum bp_result bios_parser_get_encoder_cap_info(
2051 	struct dc_bios *dcb,
2052 	struct graphics_object_id object_id,
2053 	struct bp_encoder_cap_info *info)
2054 {
2055 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2056 	struct atom_display_object_path_v2 *object;
2057 	struct atom_encoder_caps_record *record = NULL;
2058 
2059 	if (!info)
2060 		return BP_RESULT_BADINPUT;
2061 
2062 #if defined(CONFIG_DRM_AMD_DC_FP)
2063 	/* encoder cap record not available in v1_5 */
2064 	if (bp->object_info_tbl.revision.minor == 5)
2065 		return BP_RESULT_NORECORD;
2066 #endif
2067 
2068 	object = get_bios_object(bp, object_id);
2069 
2070 	if (!object)
2071 		return BP_RESULT_BADINPUT;
2072 
2073 	record = get_encoder_cap_record(bp, object);
2074 	if (!record)
2075 		return BP_RESULT_NORECORD;
2076 	DC_LOG_BIOS("record->encodercaps 0x%x for object_id 0x%x", record->encodercaps, object_id.id);
2077 
2078 	info->DP_HBR2_CAP = (record->encodercaps &
2079 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
2080 	info->DP_HBR2_EN = (record->encodercaps &
2081 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
2082 	info->DP_HBR3_EN = (record->encodercaps &
2083 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
2084 	info->HDMI_6GB_EN = (record->encodercaps &
2085 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
2086 	info->IS_DP2_CAPABLE = (record->encodercaps &
2087 			ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
2088 	info->DP_UHBR10_EN = (record->encodercaps &
2089 			ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
2090 	info->DP_UHBR13_5_EN = (record->encodercaps &
2091 			ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
2092 	info->DP_UHBR20_EN = (record->encodercaps &
2093 			ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
2094 	info->DP_IS_USB_C = (record->encodercaps &
2095 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
2096 	DC_LOG_BIOS("\t info->DP_IS_USB_C %d", info->DP_IS_USB_C);
2097 
2098 	return BP_RESULT_OK;
2099 }
2100 
2101 
2102 static struct atom_encoder_caps_record *get_encoder_cap_record(
2103 	struct bios_parser *bp,
2104 	struct atom_display_object_path_v2 *object)
2105 {
2106 	struct atom_common_record_header *header;
2107 	uint32_t offset;
2108 
2109 	if (!object) {
2110 		BREAK_TO_DEBUGGER(); /* Invalid object */
2111 		return NULL;
2112 	}
2113 
2114 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
2115 
2116 	for (;;) {
2117 		header = GET_IMAGE(struct atom_common_record_header, offset);
2118 
2119 		if (!header)
2120 			return NULL;
2121 
2122 		offset += header->record_size;
2123 
2124 		if (header->record_type == LAST_RECORD_TYPE ||
2125 				!header->record_size)
2126 			break;
2127 
2128 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
2129 			continue;
2130 
2131 		if (sizeof(struct atom_encoder_caps_record) <=
2132 							header->record_size)
2133 			return (struct atom_encoder_caps_record *)header;
2134 	}
2135 
2136 	return NULL;
2137 }
2138 
2139 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
2140 	struct bios_parser *bp,
2141 	struct atom_display_object_path_v2 *object)
2142 {
2143 	struct atom_common_record_header *header;
2144 	uint32_t offset;
2145 
2146 	if (!object) {
2147 		BREAK_TO_DEBUGGER(); /* Invalid object */
2148 		return NULL;
2149 	}
2150 
2151 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2152 
2153 	for (;;) {
2154 		header = GET_IMAGE(struct atom_common_record_header, offset);
2155 
2156 		if (!header)
2157 			return NULL;
2158 
2159 		offset += header->record_size;
2160 
2161 		if (header->record_type == LAST_RECORD_TYPE ||
2162 				!header->record_size)
2163 			break;
2164 
2165 		if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
2166 			continue;
2167 
2168 		if (sizeof(struct atom_disp_connector_caps_record) <=
2169 							header->record_size)
2170 			return (struct atom_disp_connector_caps_record *)header;
2171 	}
2172 
2173 	return NULL;
2174 }
2175 
2176 static struct atom_connector_caps_record *get_connector_caps_record(struct bios_parser *bp,
2177 								    struct atom_display_object_path_v3 *object)
2178 {
2179 	struct atom_common_record_header *header;
2180 	uint32_t offset;
2181 
2182 	if (!object) {
2183 		BREAK_TO_DEBUGGER(); /* Invalid object */
2184 		return NULL;
2185 	}
2186 
2187 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2188 
2189 	for (;;) {
2190 		header = GET_IMAGE(struct atom_common_record_header, offset);
2191 
2192 		if (!header)
2193 			return NULL;
2194 
2195 		offset += header->record_size;
2196 
2197 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2198 				!header->record_size)
2199 			break;
2200 
2201 		if (header->record_type != ATOM_CONNECTOR_CAP_RECORD_TYPE)
2202 			continue;
2203 
2204 		if (sizeof(struct atom_connector_caps_record) <= header->record_size)
2205 			return (struct atom_connector_caps_record *)header;
2206 	}
2207 
2208 	return NULL;
2209 }
2210 
2211 static enum bp_result bios_parser_get_disp_connector_caps_info(
2212 	struct dc_bios *dcb,
2213 	struct graphics_object_id object_id,
2214 	struct bp_disp_connector_caps_info *info)
2215 {
2216 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2217 	struct atom_display_object_path_v2 *object;
2218 
2219 	struct atom_display_object_path_v3 *object_path_v3;
2220 	struct atom_connector_caps_record *record_path_v3;
2221 
2222 	struct atom_disp_connector_caps_record *record = NULL;
2223 
2224 	if (!info)
2225 		return BP_RESULT_BADINPUT;
2226 
2227 	switch (bp->object_info_tbl.revision.minor) {
2228 	case 4:
2229 	    default:
2230 		    object = get_bios_object(bp, object_id);
2231 
2232 		    if (!object)
2233 			    return BP_RESULT_BADINPUT;
2234 
2235 		    record = get_disp_connector_caps_record(bp, object);
2236 		    if (!record)
2237 			    return BP_RESULT_NORECORD;
2238 
2239 		    info->INTERNAL_DISPLAY =
2240 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) ? 1 : 0;
2241 		    info->INTERNAL_DISPLAY_BL =
2242 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) ? 1 : 0;
2243 		    break;
2244 	    case 5:
2245 		object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2246 
2247 		if (!object_path_v3)
2248 			return BP_RESULT_BADINPUT;
2249 
2250 		record_path_v3 = get_connector_caps_record(bp, object_path_v3);
2251 		if (!record_path_v3)
2252 			return BP_RESULT_NORECORD;
2253 
2254 		info->INTERNAL_DISPLAY = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
2255 									? 1 : 0;
2256 		info->INTERNAL_DISPLAY_BL = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
2257 										? 1 : 0;
2258 		break;
2259 	}
2260 
2261 	return BP_RESULT_OK;
2262 }
2263 
2264 static struct atom_connector_speed_record *get_connector_speed_cap_record(struct bios_parser *bp,
2265 									  struct atom_display_object_path_v3 *object)
2266 {
2267 	struct atom_common_record_header *header;
2268 	uint32_t offset;
2269 
2270 	if (!object) {
2271 		BREAK_TO_DEBUGGER(); /* Invalid object */
2272 		return NULL;
2273 	}
2274 
2275 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2276 
2277 	for (;;) {
2278 		header = GET_IMAGE(struct atom_common_record_header, offset);
2279 
2280 		if (!header)
2281 			return NULL;
2282 
2283 		offset += header->record_size;
2284 
2285 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2286 				!header->record_size)
2287 			break;
2288 
2289 		if (header->record_type != ATOM_CONNECTOR_SPEED_UPTO)
2290 			continue;
2291 
2292 		if (sizeof(struct atom_connector_speed_record) <= header->record_size)
2293 			return (struct atom_connector_speed_record *)header;
2294 	}
2295 
2296 	return NULL;
2297 }
2298 
2299 static enum bp_result bios_parser_get_connector_speed_cap_info(
2300 	struct dc_bios *dcb,
2301 	struct graphics_object_id object_id,
2302 	struct bp_connector_speed_cap_info *info)
2303 {
2304 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2305 	struct atom_display_object_path_v3 *object_path_v3;
2306 	//struct atom_connector_speed_record *record = NULL;
2307 	struct atom_connector_speed_record *record;
2308 
2309 	if (!info)
2310 		return BP_RESULT_BADINPUT;
2311 
2312 	object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2313 
2314 	if (!object_path_v3)
2315 		return BP_RESULT_BADINPUT;
2316 
2317 	record = get_connector_speed_cap_record(bp, object_path_v3);
2318 	if (!record)
2319 		return BP_RESULT_NORECORD;
2320 
2321 	info->DP_HBR2_EN = (record->connector_max_speed >= 5400) ? 1 : 0;
2322 	info->DP_HBR3_EN = (record->connector_max_speed >= 8100) ? 1 : 0;
2323 	info->HDMI_6GB_EN = (record->connector_max_speed >= 5940) ? 1 : 0;
2324 	info->DP_UHBR10_EN = (record->connector_max_speed >= 10000) ? 1 : 0;
2325 	info->DP_UHBR13_5_EN = (record->connector_max_speed >= 13500) ? 1 : 0;
2326 	info->DP_UHBR20_EN = (record->connector_max_speed >= 20000) ? 1 : 0;
2327 	return BP_RESULT_OK;
2328 }
2329 
2330 static enum bp_result get_vram_info_v23(
2331 	struct bios_parser *bp,
2332 	struct dc_vram_info *info)
2333 {
2334 	struct atom_vram_info_header_v2_3 *info_v23;
2335 	static enum bp_result result = BP_RESULT_OK;
2336 
2337 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
2338 						DATA_TABLES(vram_info));
2339 
2340 	if (info_v23 == NULL)
2341 		return BP_RESULT_BADBIOSTABLE;
2342 
2343 	info->num_chans = info_v23->vram_module[0].channel_num;
2344 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
2345 
2346 	return result;
2347 }
2348 
2349 static enum bp_result get_vram_info_v24(
2350 	struct bios_parser *bp,
2351 	struct dc_vram_info *info)
2352 {
2353 	struct atom_vram_info_header_v2_4 *info_v24;
2354 	static enum bp_result result = BP_RESULT_OK;
2355 
2356 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
2357 						DATA_TABLES(vram_info));
2358 
2359 	if (info_v24 == NULL)
2360 		return BP_RESULT_BADBIOSTABLE;
2361 
2362 	info->num_chans = info_v24->vram_module[0].channel_num;
2363 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
2364 
2365 	return result;
2366 }
2367 
2368 static enum bp_result get_vram_info_v25(
2369 	struct bios_parser *bp,
2370 	struct dc_vram_info *info)
2371 {
2372 	struct atom_vram_info_header_v2_5 *info_v25;
2373 	static enum bp_result result = BP_RESULT_OK;
2374 
2375 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
2376 						DATA_TABLES(vram_info));
2377 
2378 	if (info_v25 == NULL)
2379 		return BP_RESULT_BADBIOSTABLE;
2380 
2381 	info->num_chans = info_v25->vram_module[0].channel_num;
2382 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
2383 
2384 	return result;
2385 }
2386 
2387 static enum bp_result get_vram_info_v30(
2388 	struct bios_parser *bp,
2389 	struct dc_vram_info *info)
2390 {
2391 	struct atom_vram_info_header_v3_0 *info_v30;
2392 	enum bp_result result = BP_RESULT_OK;
2393 
2394 	info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
2395 						DATA_TABLES(vram_info));
2396 
2397 	if (info_v30 == NULL)
2398 		return BP_RESULT_BADBIOSTABLE;
2399 
2400 	info->num_chans = info_v30->channel_num;
2401 	info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
2402 
2403 	return result;
2404 }
2405 
2406 
2407 /*
2408  * get_integrated_info_v11
2409  *
2410  * @brief
2411  * Get V8 integrated BIOS information
2412  *
2413  * @param
2414  * bios_parser *bp - [in]BIOS parser handler to get master data table
2415  * integrated_info *info - [out] store and output integrated info
2416  *
2417  * @return
2418  * static enum bp_result - BP_RESULT_OK if information is available,
2419  *                  BP_RESULT_BADBIOSTABLE otherwise.
2420  */
2421 static enum bp_result get_integrated_info_v11(
2422 	struct bios_parser *bp,
2423 	struct integrated_info *info)
2424 {
2425 	struct atom_integrated_system_info_v1_11 *info_v11;
2426 	uint32_t i;
2427 
2428 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
2429 					DATA_TABLES(integratedsysteminfo));
2430 
2431 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v11->gpuclk_ss_percentage);
2432 	if (info_v11 == NULL)
2433 		return BP_RESULT_BADBIOSTABLE;
2434 
2435 	info->gpu_cap_info =
2436 	le32_to_cpu(info_v11->gpucapinfo);
2437 	/*
2438 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2439 	*                       = 1 : PCIE power gating enabled
2440 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2441 	*                       = 1 : DDR-PLL shut down enabled
2442 	*                Bit[2] = 0 : DDR-PLL power down disabled
2443 	*                       = 1 : DDR-PLL power down enabled
2444 	*/
2445 	info->system_config = le32_to_cpu(info_v11->system_config);
2446 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
2447 	info->memory_type = info_v11->memorytype;
2448 	info->ma_channel_number = info_v11->umachannelnumber;
2449 	info->lvds_ss_percentage =
2450 	le16_to_cpu(info_v11->lvds_ss_percentage);
2451 	info->dp_ss_control =
2452 	le16_to_cpu(info_v11->reserved1);
2453 	info->lvds_sspread_rate_in_10hz =
2454 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
2455 	info->hdmi_ss_percentage =
2456 	le16_to_cpu(info_v11->hdmi_ss_percentage);
2457 	info->hdmi_sspread_rate_in_10hz =
2458 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
2459 	info->dvi_ss_percentage =
2460 	le16_to_cpu(info_v11->dvi_ss_percentage);
2461 	info->dvi_sspread_rate_in_10_hz =
2462 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
2463 	info->lvds_misc = info_v11->lvds_misc;
2464 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2465 		info->ext_disp_conn_info.gu_id[i] =
2466 				info_v11->extdispconninfo.guid[i];
2467 	}
2468 
2469 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2470 		info->ext_disp_conn_info.path[i].device_connector_id =
2471 		object_id_from_bios_object_id(
2472 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
2473 
2474 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2475 		object_id_from_bios_object_id(
2476 			le16_to_cpu(
2477 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
2478 
2479 		info->ext_disp_conn_info.path[i].device_tag =
2480 			le16_to_cpu(
2481 				info_v11->extdispconninfo.path[i].device_tag);
2482 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2483 		le16_to_cpu(
2484 			info_v11->extdispconninfo.path[i].device_acpi_enum);
2485 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2486 			info_v11->extdispconninfo.path[i].auxddclut_index;
2487 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2488 			info_v11->extdispconninfo.path[i].hpdlut_index;
2489 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2490 			info_v11->extdispconninfo.path[i].channelmapping;
2491 		info->ext_disp_conn_info.path[i].caps =
2492 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
2493 	}
2494 	info->ext_disp_conn_info.checksum =
2495 	info_v11->extdispconninfo.checksum;
2496 
2497 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
2498 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
2499 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2500 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2501 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2502 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2503 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2504 	}
2505 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
2506 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2507 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2508 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2509 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2510 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2511 	}
2512 
2513 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
2514 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
2515 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2516 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2517 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2518 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2519 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2520 	}
2521 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
2522 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2523 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2524 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2525 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2526 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2527 	}
2528 
2529 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
2530 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
2531 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2532 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2533 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2534 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2535 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2536 	}
2537 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
2538 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2539 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2540 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2541 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2542 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2543 	}
2544 
2545 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
2546 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
2547 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2548 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2549 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2550 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2551 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2552 	}
2553 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
2554 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2555 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2556 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2557 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2558 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2559 	}
2560 
2561 
2562 	/** TODO - review **/
2563 	#if 0
2564 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
2565 									* 10;
2566 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
2567 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
2568 
2569 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2570 		/* Convert [10KHz] into [KHz] */
2571 		info->disp_clk_voltage[i].max_supported_clk =
2572 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
2573 			ulMaximumSupportedCLK) * 10;
2574 		info->disp_clk_voltage[i].voltage_index =
2575 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
2576 	}
2577 
2578 	info->boot_up_req_display_vector =
2579 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
2580 	info->boot_up_nb_voltage =
2581 			le16_to_cpu(info_v11->usBootUpNBVoltage);
2582 	info->ext_disp_conn_info_offset =
2583 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
2584 	info->gmc_restore_reset_time =
2585 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
2586 	info->minimum_n_clk =
2587 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
2588 	for (i = 1; i < 4; ++i)
2589 		info->minimum_n_clk =
2590 				info->minimum_n_clk <
2591 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
2592 				info->minimum_n_clk : le32_to_cpu(
2593 					info_v11->ulNbpStateNClkFreq[i]);
2594 
2595 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
2596 	info->ddr_dll_power_up_time =
2597 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
2598 	info->ddr_pll_power_up_time =
2599 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
2600 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
2601 	info->max_lvds_pclk_freq_in_single_link =
2602 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2603 	info->max_lvds_pclk_freq_in_single_link =
2604 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2605 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
2606 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
2607 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
2608 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
2609 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
2610 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
2611 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
2612 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
2613 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
2614 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
2615 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
2616 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
2617 	info->lvds_off_to_on_delay_in_4ms =
2618 		info_v11->ucLVDSOffToOnDelay_in4Ms;
2619 	info->lvds_bit_depth_control_val =
2620 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
2621 
2622 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
2623 		/* Convert [10KHz] into [KHz] */
2624 		info->avail_s_clk[i].supported_s_clk =
2625 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
2626 									* 10;
2627 		info->avail_s_clk[i].voltage_index =
2628 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
2629 		info->avail_s_clk[i].voltage_id =
2630 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
2631 	}
2632 	#endif /* TODO*/
2633 
2634 	return BP_RESULT_OK;
2635 }
2636 
2637 static enum bp_result get_integrated_info_v2_1(
2638 	struct bios_parser *bp,
2639 	struct integrated_info *info)
2640 {
2641 	struct atom_integrated_system_info_v2_1 *info_v2_1;
2642 	uint32_t i;
2643 
2644 	info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
2645 					DATA_TABLES(integratedsysteminfo));
2646 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_1->gpuclk_ss_percentage);
2647 
2648 	if (info_v2_1 == NULL)
2649 		return BP_RESULT_BADBIOSTABLE;
2650 
2651 	info->gpu_cap_info =
2652 	le32_to_cpu(info_v2_1->gpucapinfo);
2653 	/*
2654 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2655 	*                       = 1 : PCIE power gating enabled
2656 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2657 	*                       = 1 : DDR-PLL shut down enabled
2658 	*                Bit[2] = 0 : DDR-PLL power down disabled
2659 	*                       = 1 : DDR-PLL power down enabled
2660 	*/
2661 	info->system_config = le32_to_cpu(info_v2_1->system_config);
2662 	info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
2663 	info->memory_type = info_v2_1->memorytype;
2664 	info->ma_channel_number = info_v2_1->umachannelnumber;
2665 	info->dp_ss_control =
2666 		le16_to_cpu(info_v2_1->reserved1);
2667 
2668 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2669 		info->ext_disp_conn_info.gu_id[i] =
2670 				info_v2_1->extdispconninfo.guid[i];
2671 	}
2672 
2673 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2674 		info->ext_disp_conn_info.path[i].device_connector_id =
2675 		object_id_from_bios_object_id(
2676 		le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
2677 
2678 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2679 		object_id_from_bios_object_id(
2680 			le16_to_cpu(
2681 			info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
2682 
2683 		info->ext_disp_conn_info.path[i].device_tag =
2684 			le16_to_cpu(
2685 				info_v2_1->extdispconninfo.path[i].device_tag);
2686 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2687 		le16_to_cpu(
2688 			info_v2_1->extdispconninfo.path[i].device_acpi_enum);
2689 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2690 			info_v2_1->extdispconninfo.path[i].auxddclut_index;
2691 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2692 			info_v2_1->extdispconninfo.path[i].hpdlut_index;
2693 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2694 			info_v2_1->extdispconninfo.path[i].channelmapping;
2695 		info->ext_disp_conn_info.path[i].caps =
2696 				le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
2697 	}
2698 
2699 	info->ext_disp_conn_info.checksum =
2700 		info_v2_1->extdispconninfo.checksum;
2701 	info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
2702 	info->dp0_ext_hdmi_reg_num = info_v2_1->dp0_retimer_set.HdmiRegNum;
2703 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2704 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2705 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2706 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2707 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2708 	}
2709 	info->dp0_ext_hdmi_6g_reg_num = info_v2_1->dp0_retimer_set.Hdmi6GRegNum;
2710 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2711 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2712 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2713 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2714 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2715 	}
2716 	info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
2717 	info->dp1_ext_hdmi_reg_num = info_v2_1->dp1_retimer_set.HdmiRegNum;
2718 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2719 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2720 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2721 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2722 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2723 	}
2724 	info->dp1_ext_hdmi_6g_reg_num = info_v2_1->dp1_retimer_set.Hdmi6GRegNum;
2725 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2726 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2727 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2728 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2729 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2730 	}
2731 	info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
2732 	info->dp2_ext_hdmi_reg_num = info_v2_1->dp2_retimer_set.HdmiRegNum;
2733 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2734 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2735 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2736 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2737 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2738 	}
2739 	info->dp2_ext_hdmi_6g_reg_num = info_v2_1->dp2_retimer_set.Hdmi6GRegNum;
2740 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2741 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2742 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2743 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2744 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2745 	}
2746 	info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
2747 	info->dp3_ext_hdmi_reg_num = info_v2_1->dp3_retimer_set.HdmiRegNum;
2748 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2749 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2750 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2751 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2752 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2753 	}
2754 	info->dp3_ext_hdmi_6g_reg_num = info_v2_1->dp3_retimer_set.Hdmi6GRegNum;
2755 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2756 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2757 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2758 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2759 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2760 	}
2761 
2762 	info->edp1_info.edp_backlight_pwm_hz =
2763 	le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
2764 	info->edp1_info.edp_ss_percentage =
2765 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
2766 	info->edp1_info.edp_ss_rate_10hz =
2767 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
2768 	info->edp1_info.edp_pwr_on_off_delay =
2769 		info_v2_1->edp1_info.edp_pwr_on_off_delay;
2770 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2771 		info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
2772 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2773 		info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2774 	info->edp1_info.edp_panel_bpc =
2775 		info_v2_1->edp1_info.edp_panel_bpc;
2776 	info->edp1_info.edp_bootup_bl_level = info_v2_1->edp1_info.edp_bootup_bl_level;
2777 
2778 	info->edp2_info.edp_backlight_pwm_hz =
2779 	le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
2780 	info->edp2_info.edp_ss_percentage =
2781 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
2782 	info->edp2_info.edp_ss_rate_10hz =
2783 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
2784 	info->edp2_info.edp_pwr_on_off_delay =
2785 		info_v2_1->edp2_info.edp_pwr_on_off_delay;
2786 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2787 		info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
2788 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2789 		info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2790 	info->edp2_info.edp_panel_bpc =
2791 		info_v2_1->edp2_info.edp_panel_bpc;
2792 	info->edp2_info.edp_bootup_bl_level =
2793 		info_v2_1->edp2_info.edp_bootup_bl_level;
2794 
2795 	return BP_RESULT_OK;
2796 }
2797 
2798 static enum bp_result get_integrated_info_v2_2(
2799 	struct bios_parser *bp,
2800 	struct integrated_info *info)
2801 {
2802 	struct atom_integrated_system_info_v2_2 *info_v2_2;
2803 	uint32_t i;
2804 
2805 	info_v2_2 = GET_IMAGE(struct atom_integrated_system_info_v2_2,
2806 					DATA_TABLES(integratedsysteminfo));
2807 
2808 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_2->gpuclk_ss_percentage);
2809 
2810 	if (info_v2_2 == NULL)
2811 		return BP_RESULT_BADBIOSTABLE;
2812 
2813 	info->gpu_cap_info =
2814 	le32_to_cpu(info_v2_2->gpucapinfo);
2815 	/*
2816 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2817 	*                       = 1 : PCIE power gating enabled
2818 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2819 	*                       = 1 : DDR-PLL shut down enabled
2820 	*                Bit[2] = 0 : DDR-PLL power down disabled
2821 	*                       = 1 : DDR-PLL power down enabled
2822 	*/
2823 	info->system_config = le32_to_cpu(info_v2_2->system_config);
2824 	info->cpu_cap_info = le32_to_cpu(info_v2_2->cpucapinfo);
2825 	info->memory_type = info_v2_2->memorytype;
2826 	info->ma_channel_number = info_v2_2->umachannelnumber;
2827 	info->dp_ss_control =
2828 		le16_to_cpu(info_v2_2->reserved1);
2829 
2830 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2831 		info->ext_disp_conn_info.gu_id[i] =
2832 				info_v2_2->extdispconninfo.guid[i];
2833 	}
2834 
2835 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2836 		info->ext_disp_conn_info.path[i].device_connector_id =
2837 		object_id_from_bios_object_id(
2838 		le16_to_cpu(info_v2_2->extdispconninfo.path[i].connectorobjid));
2839 
2840 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2841 		object_id_from_bios_object_id(
2842 			le16_to_cpu(
2843 			info_v2_2->extdispconninfo.path[i].ext_encoder_objid));
2844 
2845 		info->ext_disp_conn_info.path[i].device_tag =
2846 			le16_to_cpu(
2847 				info_v2_2->extdispconninfo.path[i].device_tag);
2848 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2849 		le16_to_cpu(
2850 			info_v2_2->extdispconninfo.path[i].device_acpi_enum);
2851 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2852 			info_v2_2->extdispconninfo.path[i].auxddclut_index;
2853 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2854 			info_v2_2->extdispconninfo.path[i].hpdlut_index;
2855 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2856 			info_v2_2->extdispconninfo.path[i].channelmapping;
2857 		info->ext_disp_conn_info.path[i].caps =
2858 				le16_to_cpu(info_v2_2->extdispconninfo.path[i].caps);
2859 	}
2860 
2861 	info->ext_disp_conn_info.checksum =
2862 		info_v2_2->extdispconninfo.checksum;
2863 	info->ext_disp_conn_info.fixdpvoltageswing =
2864 		info_v2_2->extdispconninfo.fixdpvoltageswing;
2865 
2866 	info->edp1_info.edp_backlight_pwm_hz =
2867 	le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz);
2868 	info->edp1_info.edp_ss_percentage =
2869 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_percentage);
2870 	info->edp1_info.edp_ss_rate_10hz =
2871 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_rate_10hz);
2872 	info->edp1_info.edp_pwr_on_off_delay =
2873 		info_v2_2->edp1_info.edp_pwr_on_off_delay;
2874 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2875 		info_v2_2->edp1_info.edp_pwr_on_vary_bl_to_blon;
2876 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2877 		info_v2_2->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2878 	info->edp1_info.edp_panel_bpc =
2879 		info_v2_2->edp1_info.edp_panel_bpc;
2880 	info->edp1_info.edp_bootup_bl_level =
2881 
2882 	info->edp2_info.edp_backlight_pwm_hz =
2883 	le16_to_cpu(info_v2_2->edp2_info.edp_backlight_pwm_hz);
2884 	info->edp2_info.edp_ss_percentage =
2885 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_percentage);
2886 	info->edp2_info.edp_ss_rate_10hz =
2887 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_rate_10hz);
2888 	info->edp2_info.edp_pwr_on_off_delay =
2889 		info_v2_2->edp2_info.edp_pwr_on_off_delay;
2890 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2891 		info_v2_2->edp2_info.edp_pwr_on_vary_bl_to_blon;
2892 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2893 		info_v2_2->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2894 	info->edp2_info.edp_panel_bpc =
2895 		info_v2_2->edp2_info.edp_panel_bpc;
2896 	info->edp2_info.edp_bootup_bl_level =
2897 		info_v2_2->edp2_info.edp_bootup_bl_level;
2898 
2899 	return BP_RESULT_OK;
2900 }
2901 
2902 /*
2903  * construct_integrated_info
2904  *
2905  * @brief
2906  * Get integrated BIOS information based on table revision
2907  *
2908  * @param
2909  * bios_parser *bp - [in]BIOS parser handler to get master data table
2910  * integrated_info *info - [out] store and output integrated info
2911  *
2912  * @return
2913  * static enum bp_result - BP_RESULT_OK if information is available,
2914  *                  BP_RESULT_BADBIOSTABLE otherwise.
2915  */
2916 static enum bp_result construct_integrated_info(
2917 	struct bios_parser *bp,
2918 	struct integrated_info *info)
2919 {
2920 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
2921 
2922 	struct atom_common_table_header *header;
2923 	struct atom_data_revision revision;
2924 
2925 	uint32_t i;
2926 	uint32_t j;
2927 
2928 	if (info && DATA_TABLES(integratedsysteminfo)) {
2929 		header = GET_IMAGE(struct atom_common_table_header,
2930 					DATA_TABLES(integratedsysteminfo));
2931 
2932 		get_atom_data_table_revision(header, &revision);
2933 
2934 		switch (revision.major) {
2935 		case 1:
2936 			switch (revision.minor) {
2937 			case 11:
2938 			case 12:
2939 				result = get_integrated_info_v11(bp, info);
2940 				break;
2941 			default:
2942 				return result;
2943 			}
2944 			break;
2945 		case 2:
2946 			switch (revision.minor) {
2947 			case 1:
2948 				result = get_integrated_info_v2_1(bp, info);
2949 				break;
2950 			case 2:
2951 				result = get_integrated_info_v2_2(bp, info);
2952 				break;
2953 			default:
2954 				return result;
2955 			}
2956 			break;
2957 		default:
2958 			return result;
2959 		}
2960 		if (result == BP_RESULT_OK) {
2961 
2962 			DC_LOG_BIOS("edp1:\n"
2963 						"\tedp_pwr_on_off_delay = %d\n"
2964 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2965 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2966 						"\tedp_bootup_bl_level = %d\n",
2967 						info->edp1_info.edp_pwr_on_off_delay,
2968 						info->edp1_info.edp_pwr_on_vary_bl_to_blon,
2969 						info->edp1_info.edp_pwr_down_bloff_to_vary_bloff,
2970 						info->edp1_info.edp_bootup_bl_level);
2971 			DC_LOG_BIOS("edp2:\n"
2972 						"\tedp_pwr_on_off_delayv = %d\n"
2973 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2974 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2975 						"\tedp_bootup_bl_level = %d\n",
2976 						info->edp2_info.edp_pwr_on_off_delay,
2977 						info->edp2_info.edp_pwr_on_vary_bl_to_blon,
2978 						info->edp2_info.edp_pwr_down_bloff_to_vary_bloff,
2979 						info->edp2_info.edp_bootup_bl_level);
2980 		}
2981 	}
2982 
2983 	if (result != BP_RESULT_OK)
2984 		return result;
2985 	else {
2986 		// Log each external path
2987 		for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
2988 			if (info->ext_disp_conn_info.path[i].device_tag != 0)
2989 				DC_LOG_BIOS("integrated_info:For EXTERNAL DISPLAY PATH %d --------------\n"
2990 						"DEVICE_TAG: 0x%x\n"
2991 						"DEVICE_ACPI_ENUM: 0x%x\n"
2992 						"DEVICE_CONNECTOR_ID: 0x%x\n"
2993 						"EXT_AUX_DDC_LUT_INDEX: %d\n"
2994 						"EXT_HPD_PIN_LUT_INDEX: %d\n"
2995 						"EXT_ENCODER_OBJ_ID: 0x%x\n"
2996 						"Encoder CAPS: 0x%x\n",
2997 						i,
2998 						info->ext_disp_conn_info.path[i].device_tag,
2999 						info->ext_disp_conn_info.path[i].device_acpi_enum,
3000 						info->ext_disp_conn_info.path[i].device_connector_id.id,
3001 						info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index,
3002 						info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index,
3003 						info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id,
3004 						info->ext_disp_conn_info.path[i].caps
3005 						);
3006 			if (info->ext_disp_conn_info.path[i].caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)
3007 				DC_LOG_BIOS("BIOS EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3008 			else if (bp->base.ctx->dc->config.force_bios_fixed_vs) {
3009 				info->ext_disp_conn_info.path[i].caps |= EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN;
3010 				DC_LOG_BIOS("driver forced EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3011 			}
3012 		}
3013 		// Log the Checksum and Voltage Swing
3014 		DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n"
3015 					"Integrated info table FIX_DP_VOLTAGE_SWING: %d\n",
3016 					info->ext_disp_conn_info.checksum,
3017 					info->ext_disp_conn_info.fixdpvoltageswing);
3018 		if (bp->base.ctx->dc->config.force_bios_fixed_vs && info->ext_disp_conn_info.fixdpvoltageswing == 0) {
3019 			info->ext_disp_conn_info.fixdpvoltageswing = bp->base.ctx->dc->config.force_bios_fixed_vs & 0xF;
3020 			DC_LOG_BIOS("driver forced fixdpvoltageswing = %d\n", info->ext_disp_conn_info.fixdpvoltageswing);
3021 		}
3022 	}
3023 	/* Sort voltage table from low to high*/
3024 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
3025 		for (j = i; j > 0; --j) {
3026 			if (info->disp_clk_voltage[j].max_supported_clk <
3027 			    info->disp_clk_voltage[j-1].max_supported_clk)
3028 				swap(info->disp_clk_voltage[j-1], info->disp_clk_voltage[j]);
3029 		}
3030 	}
3031 
3032 	return result;
3033 }
3034 
3035 static enum bp_result bios_parser_get_vram_info(
3036 		struct dc_bios *dcb,
3037 		struct dc_vram_info *info)
3038 {
3039 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3040 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
3041 	struct atom_common_table_header *header;
3042 	struct atom_data_revision revision;
3043 
3044 	if (info && DATA_TABLES(vram_info)) {
3045 		header = GET_IMAGE(struct atom_common_table_header,
3046 					DATA_TABLES(vram_info));
3047 
3048 		get_atom_data_table_revision(header, &revision);
3049 
3050 		switch (revision.major) {
3051 		case 2:
3052 			switch (revision.minor) {
3053 			case 3:
3054 				result = get_vram_info_v23(bp, info);
3055 				break;
3056 			case 4:
3057 				result = get_vram_info_v24(bp, info);
3058 				break;
3059 			case 5:
3060 				result = get_vram_info_v25(bp, info);
3061 				break;
3062 			default:
3063 				break;
3064 			}
3065 			break;
3066 
3067 		case 3:
3068 			switch (revision.minor) {
3069 			case 0:
3070 				result = get_vram_info_v30(bp, info);
3071 				break;
3072 			default:
3073 				break;
3074 			}
3075 			break;
3076 
3077 		default:
3078 			return result;
3079 		}
3080 
3081 	}
3082 	return result;
3083 }
3084 
3085 static struct integrated_info *bios_parser_create_integrated_info(
3086 	struct dc_bios *dcb)
3087 {
3088 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3089 	struct integrated_info *info;
3090 
3091 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
3092 
3093 	if (info == NULL) {
3094 		ASSERT_CRITICAL(0);
3095 		return NULL;
3096 	}
3097 
3098 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
3099 		return info;
3100 
3101 	kfree(info);
3102 
3103 	return NULL;
3104 }
3105 
3106 static enum bp_result update_slot_layout_info(
3107 	struct dc_bios *dcb,
3108 	unsigned int i,
3109 	struct slot_layout_info *slot_layout_info)
3110 {
3111 	unsigned int record_offset;
3112 	unsigned int j;
3113 	struct atom_display_object_path_v2 *object;
3114 	struct atom_bracket_layout_record *record;
3115 	struct atom_common_record_header *record_header;
3116 	static enum bp_result result;
3117 	struct bios_parser *bp;
3118 	struct object_info_table *tbl;
3119 	struct display_object_info_table_v1_4 *v1_4;
3120 
3121 	record = NULL;
3122 	record_header = NULL;
3123 	result = BP_RESULT_NORECORD;
3124 
3125 	bp = BP_FROM_DCB(dcb);
3126 	tbl = &bp->object_info_tbl;
3127 	v1_4 = tbl->v1_4;
3128 
3129 	object = &v1_4->display_path[i];
3130 	record_offset = (unsigned int)
3131 		(object->disp_recordoffset) +
3132 		(unsigned int)(bp->object_info_tbl_offset);
3133 
3134 	for (;;) {
3135 
3136 		record_header = (struct atom_common_record_header *)
3137 			GET_IMAGE(struct atom_common_record_header,
3138 			record_offset);
3139 		if (record_header == NULL) {
3140 			result = BP_RESULT_BADBIOSTABLE;
3141 			break;
3142 		}
3143 
3144 		/* the end of the list */
3145 		if (record_header->record_type == 0xff ||
3146 			record_header->record_size == 0)	{
3147 			break;
3148 		}
3149 
3150 		if (record_header->record_type ==
3151 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
3152 			sizeof(struct atom_bracket_layout_record)
3153 			<= record_header->record_size) {
3154 			record = (struct atom_bracket_layout_record *)
3155 				(record_header);
3156 			result = BP_RESULT_OK;
3157 			break;
3158 		}
3159 
3160 		record_offset += record_header->record_size;
3161 	}
3162 
3163 	/* return if the record not found */
3164 	if (result != BP_RESULT_OK)
3165 		return result;
3166 
3167 	/* get slot sizes */
3168 	slot_layout_info->length = record->bracketlen;
3169 	slot_layout_info->width = record->bracketwidth;
3170 
3171 	/* get info for each connector in the slot */
3172 	slot_layout_info->num_of_connectors = record->conn_num;
3173 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
3174 		slot_layout_info->connectors[j].connector_type =
3175 			(enum connector_layout_type)
3176 			(record->conn_info[j].connector_type);
3177 		switch (record->conn_info[j].connector_type) {
3178 		case CONNECTOR_TYPE_DVI_D:
3179 			slot_layout_info->connectors[j].connector_type =
3180 				CONNECTOR_LAYOUT_TYPE_DVI_D;
3181 			slot_layout_info->connectors[j].length =
3182 				CONNECTOR_SIZE_DVI;
3183 			break;
3184 
3185 		case CONNECTOR_TYPE_HDMI:
3186 			slot_layout_info->connectors[j].connector_type =
3187 				CONNECTOR_LAYOUT_TYPE_HDMI;
3188 			slot_layout_info->connectors[j].length =
3189 				CONNECTOR_SIZE_HDMI;
3190 			break;
3191 
3192 		case CONNECTOR_TYPE_DISPLAY_PORT:
3193 			slot_layout_info->connectors[j].connector_type =
3194 				CONNECTOR_LAYOUT_TYPE_DP;
3195 			slot_layout_info->connectors[j].length =
3196 				CONNECTOR_SIZE_DP;
3197 			break;
3198 
3199 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
3200 			slot_layout_info->connectors[j].connector_type =
3201 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
3202 			slot_layout_info->connectors[j].length =
3203 				CONNECTOR_SIZE_MINI_DP;
3204 			break;
3205 
3206 		default:
3207 			slot_layout_info->connectors[j].connector_type =
3208 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3209 			slot_layout_info->connectors[j].length =
3210 				CONNECTOR_SIZE_UNKNOWN;
3211 		}
3212 
3213 		slot_layout_info->connectors[j].position =
3214 			record->conn_info[j].position;
3215 		slot_layout_info->connectors[j].connector_id =
3216 			object_id_from_bios_object_id(
3217 				record->conn_info[j].connectorobjid);
3218 	}
3219 	return result;
3220 }
3221 
3222 static enum bp_result update_slot_layout_info_v2(
3223 	struct dc_bios *dcb,
3224 	unsigned int i,
3225 	struct slot_layout_info *slot_layout_info)
3226 {
3227 	unsigned int record_offset;
3228 	struct atom_display_object_path_v3 *object;
3229 	struct atom_bracket_layout_record_v2 *record;
3230 	struct atom_common_record_header *record_header;
3231 	static enum bp_result result;
3232 	struct bios_parser *bp;
3233 	struct object_info_table *tbl;
3234 	struct display_object_info_table_v1_5 *v1_5;
3235 	struct graphics_object_id connector_id;
3236 
3237 	record = NULL;
3238 	record_header = NULL;
3239 	result = BP_RESULT_NORECORD;
3240 
3241 	bp = BP_FROM_DCB(dcb);
3242 	tbl = &bp->object_info_tbl;
3243 	v1_5 = tbl->v1_5;
3244 
3245 	object = &v1_5->display_path[i];
3246 	record_offset = (unsigned int)
3247 		(object->disp_recordoffset) +
3248 		(unsigned int)(bp->object_info_tbl_offset);
3249 
3250 	for (;;) {
3251 
3252 		record_header = (struct atom_common_record_header *)
3253 			GET_IMAGE(struct atom_common_record_header,
3254 			record_offset);
3255 		if (record_header == NULL) {
3256 			result = BP_RESULT_BADBIOSTABLE;
3257 			break;
3258 		}
3259 
3260 		/* the end of the list */
3261 		if (record_header->record_type == ATOM_RECORD_END_TYPE ||
3262 			record_header->record_size == 0)	{
3263 			break;
3264 		}
3265 
3266 		if (record_header->record_type ==
3267 			ATOM_BRACKET_LAYOUT_V2_RECORD_TYPE &&
3268 			sizeof(struct atom_bracket_layout_record_v2)
3269 			<= record_header->record_size) {
3270 			record = (struct atom_bracket_layout_record_v2 *)
3271 				(record_header);
3272 			result = BP_RESULT_OK;
3273 			break;
3274 		}
3275 
3276 		record_offset += record_header->record_size;
3277 	}
3278 
3279 	/* return if the record not found */
3280 	if (result != BP_RESULT_OK)
3281 		return result;
3282 
3283 	/* get slot sizes */
3284 	connector_id = object_id_from_bios_object_id(object->display_objid);
3285 
3286 	slot_layout_info->length = record->bracketlen;
3287 	slot_layout_info->width = record->bracketwidth;
3288 	slot_layout_info->num_of_connectors = v1_5->number_of_path;
3289 	slot_layout_info->connectors[i].position = record->conn_num;
3290 	slot_layout_info->connectors[i].connector_id = connector_id;
3291 
3292 	switch (connector_id.id) {
3293 	case CONNECTOR_ID_SINGLE_LINK_DVID:
3294 	case CONNECTOR_ID_DUAL_LINK_DVID:
3295 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DVI_D;
3296 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DVI;
3297 		break;
3298 
3299 	case CONNECTOR_ID_HDMI_TYPE_A:
3300 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_HDMI;
3301 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_HDMI;
3302 		break;
3303 
3304 	case CONNECTOR_ID_DISPLAY_PORT:
3305 	case CONNECTOR_ID_USBC:
3306 		if (record->mini_type == MINI_TYPE_NORMAL) {
3307 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DP;
3308 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DP;
3309 		} else {
3310 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_MINI_DP;
3311 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_MINI_DP;
3312 		}
3313 		break;
3314 
3315 	default:
3316 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3317 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_UNKNOWN;
3318 	}
3319 	return result;
3320 }
3321 
3322 static enum bp_result get_bracket_layout_record(
3323 	struct dc_bios *dcb,
3324 	unsigned int bracket_layout_id,
3325 	struct slot_layout_info *slot_layout_info)
3326 {
3327 	unsigned int i;
3328 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3329 	static enum bp_result result;
3330 	struct object_info_table *tbl;
3331 	struct display_object_info_table_v1_4 *v1_4;
3332 	struct display_object_info_table_v1_5 *v1_5;
3333 
3334 	if (slot_layout_info == NULL) {
3335 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
3336 		return BP_RESULT_BADINPUT;
3337 	}
3338 	tbl = &bp->object_info_tbl;
3339 	v1_4 = tbl->v1_4;
3340 	v1_5 = tbl->v1_5;
3341 
3342 	result = BP_RESULT_NORECORD;
3343 	switch (bp->object_info_tbl.revision.minor) {
3344 		case 4:
3345 		default:
3346 			for (i = 0; i < v1_4->number_of_path; ++i)	{
3347 				if (bracket_layout_id ==
3348 					v1_4->display_path[i].display_objid) {
3349 					result = update_slot_layout_info(dcb, i, slot_layout_info);
3350 					break;
3351 				}
3352 			}
3353 		    break;
3354 		case 5:
3355 			for (i = 0; i < v1_5->number_of_path; ++i)
3356 				result = update_slot_layout_info_v2(dcb, i, slot_layout_info);
3357 			break;
3358 	}
3359 	return result;
3360 }
3361 
3362 static enum bp_result bios_get_board_layout_info(
3363 	struct dc_bios *dcb,
3364 	struct board_layout_info *board_layout_info)
3365 {
3366 	unsigned int i;
3367 
3368 	struct bios_parser *bp;
3369 
3370 	static enum bp_result record_result;
3371 	unsigned int max_slots;
3372 
3373 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
3374 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
3375 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
3376 		0, 0
3377 	};
3378 
3379 
3380 	bp = BP_FROM_DCB(dcb);
3381 
3382 	if (board_layout_info == NULL) {
3383 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
3384 		return BP_RESULT_BADINPUT;
3385 	}
3386 
3387 	board_layout_info->num_of_slots = 0;
3388 	max_slots = MAX_BOARD_SLOTS;
3389 
3390 	// Assume single slot on v1_5
3391 	if (bp->object_info_tbl.revision.minor == 5) {
3392 		max_slots = 1;
3393 	}
3394 
3395 	for (i = 0; i < max_slots; ++i) {
3396 		record_result = get_bracket_layout_record(dcb,
3397 			slot_index_to_vbios_id[i],
3398 			&board_layout_info->slots[i]);
3399 
3400 		if (record_result == BP_RESULT_NORECORD && i > 0)
3401 			break; /* no more slots present in bios */
3402 		else if (record_result != BP_RESULT_OK)
3403 			return record_result;  /* fail */
3404 
3405 		++board_layout_info->num_of_slots;
3406 	}
3407 
3408 	/* all data is valid */
3409 	board_layout_info->is_number_of_slots_valid = 1;
3410 	board_layout_info->is_slots_size_valid = 1;
3411 	board_layout_info->is_connector_offsets_valid = 1;
3412 	board_layout_info->is_connector_lengths_valid = 1;
3413 
3414 	return BP_RESULT_OK;
3415 }
3416 
3417 
3418 static uint16_t bios_parser_pack_data_tables(
3419 	struct dc_bios *dcb,
3420 	void *dst)
3421 {
3422 	// TODO: There is data bytes alignment issue, disable it for now.
3423 	return 0;
3424 }
3425 
3426 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
3427 		struct bios_parser *bp,
3428 		uint32_t rev_major,
3429 		uint32_t rev_minor,
3430 		uint16_t *dc_golden_table_ver)
3431 {
3432 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
3433 	uint32_t dc_golden_offset = 0;
3434 	*dc_golden_table_ver = 0;
3435 
3436 	if (!DATA_TABLES(dce_info))
3437 		return NULL;
3438 
3439 	/* ver.4.4 or higher */
3440 	switch (rev_major) {
3441 	case 4:
3442 		switch (rev_minor) {
3443 		case 4:
3444 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
3445 									DATA_TABLES(dce_info));
3446 			if (!disp_cntl_tbl_4_4)
3447 				return NULL;
3448 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
3449 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
3450 			break;
3451 		case 5:
3452 		default:
3453 			/* For atom_display_controller_info_v4_5 there is no need to get golden table from
3454 			 * dc_golden_table_offset as all these fields previously in golden table used for AUX
3455 			 * pre-charge settings are now available directly in atom_display_controller_info_v4_5.
3456 			 */
3457 			break;
3458 		}
3459 		break;
3460 	}
3461 
3462 	if (!dc_golden_offset)
3463 		return NULL;
3464 
3465 	if (*dc_golden_table_ver != 1)
3466 		return NULL;
3467 
3468 	return GET_IMAGE(struct atom_dc_golden_table_v1,
3469 			dc_golden_offset);
3470 }
3471 
3472 static enum bp_result bios_get_atom_dc_golden_table(
3473 	struct dc_bios *dcb)
3474 {
3475 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3476 	enum bp_result result = BP_RESULT_OK;
3477 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
3478 	struct atom_common_table_header *header;
3479 	struct atom_data_revision tbl_revision;
3480 	uint16_t dc_golden_table_ver = 0;
3481 
3482 	header = GET_IMAGE(struct atom_common_table_header,
3483 							DATA_TABLES(dce_info));
3484 	if (!header)
3485 		return BP_RESULT_UNSUPPORTED;
3486 
3487 	get_atom_data_table_revision(header, &tbl_revision);
3488 
3489 	atom_dc_golden_table = bios_get_golden_table(bp,
3490 			tbl_revision.major,
3491 			tbl_revision.minor,
3492 			&dc_golden_table_ver);
3493 
3494 	if (!atom_dc_golden_table)
3495 		return BP_RESULT_UNSUPPORTED;
3496 
3497 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
3498 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
3499 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
3500 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
3501 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
3502 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
3503 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
3504 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
3505 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
3506 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
3507 
3508 	return result;
3509 }
3510 
3511 
3512 static const struct dc_vbios_funcs vbios_funcs = {
3513 	.get_connectors_number = bios_parser_get_connectors_number,
3514 
3515 	.get_connector_id = bios_parser_get_connector_id,
3516 
3517 	.get_src_obj = bios_parser_get_src_obj,
3518 
3519 	.get_i2c_info = bios_parser_get_i2c_info,
3520 
3521 	.get_hpd_info = bios_parser_get_hpd_info,
3522 
3523 	.get_device_tag = bios_parser_get_device_tag,
3524 
3525 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
3526 
3527 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
3528 
3529 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
3530 
3531 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
3532 
3533 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
3534 
3535 	.is_device_id_supported = bios_parser_is_device_id_supported,
3536 
3537 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
3538 
3539 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
3540 
3541 
3542 /*	 COMMANDS */
3543 	.encoder_control = bios_parser_encoder_control,
3544 
3545 	.transmitter_control = bios_parser_transmitter_control,
3546 
3547 	.enable_crtc = bios_parser_enable_crtc,
3548 
3549 	.set_pixel_clock = bios_parser_set_pixel_clock,
3550 
3551 	.set_dce_clock = bios_parser_set_dce_clock,
3552 
3553 	.program_crtc_timing = bios_parser_program_crtc_timing,
3554 
3555 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
3556 
3557 	.bios_parser_destroy = firmware_parser_destroy,
3558 
3559 	.get_board_layout_info = bios_get_board_layout_info,
3560 	/* TODO: use this fn in hw init?*/
3561 	.pack_data_tables = bios_parser_pack_data_tables,
3562 
3563 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
3564 
3565 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
3566 
3567 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
3568 
3569 	.get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
3570 
3571 	.get_lttpr_caps = bios_parser_get_lttpr_caps,
3572 
3573 	.get_lttpr_interop = bios_parser_get_lttpr_interop,
3574 
3575 	.get_connector_speed_cap_info = bios_parser_get_connector_speed_cap_info,
3576 };
3577 
3578 static bool bios_parser2_construct(
3579 	struct bios_parser *bp,
3580 	struct bp_init_data *init,
3581 	enum dce_version dce_version)
3582 {
3583 	uint16_t *rom_header_offset = NULL;
3584 	struct atom_rom_header_v2_2 *rom_header = NULL;
3585 	struct display_object_info_table_v1_4 *object_info_tbl;
3586 	struct atom_data_revision tbl_rev = {0};
3587 
3588 	if (!init)
3589 		return false;
3590 
3591 	if (!init->bios)
3592 		return false;
3593 
3594 	bp->base.funcs = &vbios_funcs;
3595 	bp->base.bios = init->bios;
3596 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
3597 
3598 	bp->base.ctx = init->ctx;
3599 
3600 	bp->base.bios_local_image = NULL;
3601 
3602 	rom_header_offset =
3603 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
3604 
3605 	if (!rom_header_offset)
3606 		return false;
3607 
3608 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
3609 
3610 	if (!rom_header)
3611 		return false;
3612 
3613 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
3614 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
3615 		return false;
3616 
3617 	bp->master_data_tbl =
3618 		GET_IMAGE(struct atom_master_data_table_v2_1,
3619 				rom_header->masterdatatable_offset);
3620 
3621 	if (!bp->master_data_tbl)
3622 		return false;
3623 
3624 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
3625 
3626 	if (!bp->object_info_tbl_offset)
3627 		return false;
3628 
3629 	object_info_tbl =
3630 			GET_IMAGE(struct display_object_info_table_v1_4,
3631 						bp->object_info_tbl_offset);
3632 
3633 	if (!object_info_tbl)
3634 		return false;
3635 
3636 	get_atom_data_table_revision(&object_info_tbl->table_header,
3637 		&bp->object_info_tbl.revision);
3638 
3639 	if (bp->object_info_tbl.revision.major == 1
3640 		&& bp->object_info_tbl.revision.minor == 4) {
3641 		struct display_object_info_table_v1_4 *tbl_v1_4;
3642 
3643 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
3644 			bp->object_info_tbl_offset);
3645 		if (!tbl_v1_4)
3646 			return false;
3647 
3648 		bp->object_info_tbl.v1_4 = tbl_v1_4;
3649 	} else if (bp->object_info_tbl.revision.major == 1
3650 		&& bp->object_info_tbl.revision.minor == 5) {
3651 		struct display_object_info_table_v1_5 *tbl_v1_5;
3652 
3653 		tbl_v1_5 = GET_IMAGE(struct display_object_info_table_v1_5,
3654 			bp->object_info_tbl_offset);
3655 		if (!tbl_v1_5)
3656 			return false;
3657 
3658 		bp->object_info_tbl.v1_5 = tbl_v1_5;
3659 	} else {
3660 		ASSERT(0);
3661 		return false;
3662 	}
3663 
3664 	dal_firmware_parser_init_cmd_tbl(bp);
3665 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
3666 
3667 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
3668 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
3669 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
3670 
3671 	return true;
3672 }
3673 
3674 struct dc_bios *firmware_parser_create(
3675 	struct bp_init_data *init,
3676 	enum dce_version dce_version)
3677 {
3678 	struct bios_parser *bp;
3679 
3680 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
3681 	if (!bp)
3682 		return NULL;
3683 
3684 	if (bios_parser2_construct(bp, init, dce_version))
3685 		return &bp->base;
3686 
3687 	kfree(bp);
3688 	return NULL;
3689 }
3690 
3691 
3692