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(
344 	struct bios_parser *bp,
345 	struct graphics_object_id id)
346 {
347 	unsigned int i;
348 	struct graphics_object_id obj_id = {0};
349 
350 	switch (id.type) {
351 	case OBJECT_TYPE_ENCODER:
352 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
353 			obj_id = object_id_from_bios_object_id(
354 					bp->object_info_tbl.v1_5->display_path[i].encoderobjid);
355 			if (id.type == obj_id.type && id.id == obj_id.id
356 					&& id.enum_id == obj_id.enum_id)
357 				return &bp->object_info_tbl.v1_5->display_path[i];
358 		}
359         break;
360 
361 	case OBJECT_TYPE_CONNECTOR:
362 	case OBJECT_TYPE_GENERIC:
363 		/* Both Generic and Connector Object ID
364 		 * will be stored on display_objid
365 		 */
366 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
367 			obj_id = object_id_from_bios_object_id(
368 					bp->object_info_tbl.v1_5->display_path[i].display_objid);
369 			if (id.type == obj_id.type && id.id == obj_id.id
370 					&& id.enum_id == obj_id.enum_id)
371 				return &bp->object_info_tbl.v1_5->display_path[i];
372 		}
373         break;
374 
375 	default:
376 		return NULL;
377 	}
378 
379 	return NULL;
380 }
381 
382 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
383 	struct graphics_object_id id,
384 	struct graphics_object_i2c_info *info)
385 {
386 	uint32_t offset;
387 	struct atom_display_object_path_v2 *object;
388 
389 	struct atom_display_object_path_v3 *object_path_v3;
390 
391 	struct atom_common_record_header *header;
392 	struct atom_i2c_record *record;
393 	struct atom_i2c_record dummy_record = {0};
394 	struct bios_parser *bp = BP_FROM_DCB(dcb);
395 
396 	if (!info)
397 		return BP_RESULT_BADINPUT;
398 
399 	if (id.type == OBJECT_TYPE_GENERIC) {
400 		dummy_record.i2c_id = id.id;
401 
402 		if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
403 			return BP_RESULT_OK;
404 		else
405 			return BP_RESULT_NORECORD;
406 	}
407 
408 	switch (bp->object_info_tbl.revision.minor) {
409 	    case 4:
410 	    default:
411 	        object = get_bios_object(bp, id);
412 
413 	        if (!object)
414 				return BP_RESULT_BADINPUT;
415 
416 	        offset = object->disp_recordoffset + bp->object_info_tbl_offset;
417 	        break;
418 	    case 5:
419 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
420 
421 		if (!object_path_v3)
422 			return BP_RESULT_BADINPUT;
423 
424 		offset = object_path_v3->disp_recordoffset + bp->object_info_tbl_offset;
425 		break;
426 	}
427 
428 	for (;;) {
429 		header = GET_IMAGE(struct atom_common_record_header, offset);
430 
431 		if (!header)
432 			return BP_RESULT_BADBIOSTABLE;
433 
434 		if (header->record_type == LAST_RECORD_TYPE ||
435 			!header->record_size)
436 			break;
437 
438 		if (header->record_type == ATOM_I2C_RECORD_TYPE
439 			&& sizeof(struct atom_i2c_record) <=
440 							header->record_size) {
441 			/* get the I2C info */
442 			record = (struct atom_i2c_record *) header;
443 
444 			if (get_gpio_i2c_info(bp, record, info) ==
445 								BP_RESULT_OK)
446 				return BP_RESULT_OK;
447 		}
448 
449 		offset += header->record_size;
450 	}
451 
452 	return BP_RESULT_NORECORD;
453 }
454 
455 static enum bp_result get_gpio_i2c_info(
456 	struct bios_parser *bp,
457 	struct atom_i2c_record *record,
458 	struct graphics_object_i2c_info *info)
459 {
460 	struct atom_gpio_pin_lut_v2_1 *header;
461 	uint32_t count = 0;
462 	unsigned int table_index = 0;
463 	bool find_valid = false;
464 	struct atom_gpio_pin_assignment *pin;
465 
466 	if (!info)
467 		return BP_RESULT_BADINPUT;
468 
469 	/* get the GPIO_I2C info */
470 	if (!DATA_TABLES(gpio_pin_lut))
471 		return BP_RESULT_BADBIOSTABLE;
472 
473 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
474 					DATA_TABLES(gpio_pin_lut));
475 	if (!header)
476 		return BP_RESULT_BADBIOSTABLE;
477 
478 	if (sizeof(struct atom_common_table_header) +
479 			sizeof(struct atom_gpio_pin_assignment)	>
480 			le16_to_cpu(header->table_header.structuresize))
481 		return BP_RESULT_BADBIOSTABLE;
482 
483 	/* TODO: is version change? */
484 	if (header->table_header.content_revision != 1)
485 		return BP_RESULT_UNSUPPORTED;
486 
487 	/* get data count */
488 	count = (le16_to_cpu(header->table_header.structuresize)
489 			- sizeof(struct atom_common_table_header))
490 				/ sizeof(struct atom_gpio_pin_assignment);
491 
492 	pin = (struct atom_gpio_pin_assignment *) header->gpio_pin;
493 
494 	for (table_index = 0; table_index < count; table_index++) {
495 		if (((record->i2c_id & I2C_HW_CAP) 				== (pin->gpio_id & I2C_HW_CAP)) &&
496 		    ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)	== (pin->gpio_id & I2C_HW_ENGINE_ID_MASK)) &&
497 		    ((record->i2c_id & I2C_HW_LANE_MUX) 		== (pin->gpio_id & I2C_HW_LANE_MUX))) {
498 			/* still valid */
499 			find_valid = true;
500 			break;
501 		}
502 		pin = (struct atom_gpio_pin_assignment *)((uint8_t *)pin + sizeof(struct atom_gpio_pin_assignment));
503 	}
504 
505 	/* If we don't find the entry that we are looking for then
506 	 *  we will return BP_Result_BadBiosTable.
507 	 */
508 	if (find_valid == false)
509 		return BP_RESULT_BADBIOSTABLE;
510 
511 	/* get the GPIO_I2C_INFO */
512 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
513 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
514 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
515 	info->i2c_slave_address = record->i2c_slave_addr;
516 
517 	/* TODO: check how to get register offset for en, Y, etc. */
518 	info->gpio_info.clk_a_register_index =
519 			le16_to_cpu(
520 			header->gpio_pin[table_index].data_a_reg_index);
521 	info->gpio_info.clk_a_shift =
522 			header->gpio_pin[table_index].gpio_bitshift;
523 
524 	return BP_RESULT_OK;
525 }
526 
527 static struct atom_hpd_int_record *get_hpd_record_for_path_v3(
528 	struct bios_parser *bp,
529 	struct atom_display_object_path_v3 *object)
530 {
531 	struct atom_common_record_header *header;
532 	uint32_t offset;
533 
534 	if (!object) {
535 		BREAK_TO_DEBUGGER(); /* Invalid object */
536 		return NULL;
537 	}
538 
539 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
540 
541 	for (;;) {
542 		header = GET_IMAGE(struct atom_common_record_header, offset);
543 
544 		if (!header)
545 			return NULL;
546 
547 		if (header->record_type == ATOM_RECORD_END_TYPE ||
548 			!header->record_size)
549 			break;
550 
551 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
552 			&& sizeof(struct atom_hpd_int_record) <=
553 							header->record_size)
554 			return (struct atom_hpd_int_record *) header;
555 
556 		offset += header->record_size;
557 	}
558 
559 	return NULL;
560 }
561 
562 static enum bp_result bios_parser_get_hpd_info(
563 	struct dc_bios *dcb,
564 	struct graphics_object_id id,
565 	struct graphics_object_hpd_info *info)
566 {
567 	struct bios_parser *bp = BP_FROM_DCB(dcb);
568 	struct atom_display_object_path_v2 *object;
569 	struct atom_display_object_path_v3 *object_path_v3;
570 	struct atom_hpd_int_record *record = NULL;
571 
572 	if (!info)
573 		return BP_RESULT_BADINPUT;
574 
575 	switch (bp->object_info_tbl.revision.minor) {
576 	    case 4:
577 	    default:
578 	        object = get_bios_object(bp, id);
579 
580 		if (!object)
581 			return BP_RESULT_BADINPUT;
582 
583 	        record = get_hpd_record(bp, object);
584 
585 	        break;
586 	    case 5:
587 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
588 
589 		if (!object_path_v3)
590 			return BP_RESULT_BADINPUT;
591 
592 		record = get_hpd_record_for_path_v3(bp, object_path_v3);
593 		break;
594 	}
595 
596 	if (record != NULL) {
597 		info->hpd_int_gpio_uid = record->pin_id;
598 		info->hpd_active = record->plugin_pin_state;
599 		return BP_RESULT_OK;
600 	}
601 
602 	return BP_RESULT_NORECORD;
603 }
604 
605 static struct atom_hpd_int_record *get_hpd_record(
606 	struct bios_parser *bp,
607 	struct atom_display_object_path_v2 *object)
608 {
609 	struct atom_common_record_header *header;
610 	uint32_t offset;
611 
612 	if (!object) {
613 		BREAK_TO_DEBUGGER(); /* Invalid object */
614 		return NULL;
615 	}
616 
617 	offset = le16_to_cpu(object->disp_recordoffset)
618 			+ bp->object_info_tbl_offset;
619 
620 	for (;;) {
621 		header = GET_IMAGE(struct atom_common_record_header, offset);
622 
623 		if (!header)
624 			return NULL;
625 
626 		if (header->record_type == LAST_RECORD_TYPE ||
627 			!header->record_size)
628 			break;
629 
630 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
631 			&& sizeof(struct atom_hpd_int_record) <=
632 							header->record_size)
633 			return (struct atom_hpd_int_record *) header;
634 
635 		offset += header->record_size;
636 	}
637 
638 	return NULL;
639 }
640 
641 /**
642  * bios_parser_get_gpio_pin_info
643  * Get GpioPin information of input gpio id
644  *
645  * @dcb:     pointer to the DC BIOS
646  * @gpio_id: GPIO ID
647  * @info:    GpioPin information structure
648  * return: Bios parser result code
649  * note:
650  *  to get the GPIO PIN INFO, we need:
651  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
652  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
653  *	to get the registerA  offset/mask
654  */
655 static enum bp_result bios_parser_get_gpio_pin_info(
656 	struct dc_bios *dcb,
657 	uint32_t gpio_id,
658 	struct gpio_pin_info *info)
659 {
660 	struct bios_parser *bp = BP_FROM_DCB(dcb);
661 	struct atom_gpio_pin_lut_v2_1 *header;
662 	uint32_t count = 0;
663 	uint32_t i = 0;
664 
665 	if (!DATA_TABLES(gpio_pin_lut))
666 		return BP_RESULT_BADBIOSTABLE;
667 
668 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
669 						DATA_TABLES(gpio_pin_lut));
670 	if (!header)
671 		return BP_RESULT_BADBIOSTABLE;
672 
673 	if (sizeof(struct atom_common_table_header) +
674 			sizeof(struct atom_gpio_pin_assignment)
675 			> le16_to_cpu(header->table_header.structuresize))
676 		return BP_RESULT_BADBIOSTABLE;
677 
678 	if (header->table_header.content_revision != 1)
679 		return BP_RESULT_UNSUPPORTED;
680 
681 	/* Temporary hard code gpio pin info */
682 	count = (le16_to_cpu(header->table_header.structuresize)
683 			- sizeof(struct atom_common_table_header))
684 				/ sizeof(struct atom_gpio_pin_assignment);
685 	for (i = 0; i < count; ++i) {
686 		if (header->gpio_pin[i].gpio_id != gpio_id)
687 			continue;
688 
689 		info->offset =
690 			(uint32_t) le16_to_cpu(
691 					header->gpio_pin[i].data_a_reg_index);
692 		info->offset_y = info->offset + 2;
693 		info->offset_en = info->offset + 1;
694 		info->offset_mask = info->offset - 1;
695 
696 		info->mask = (uint32_t) (1 <<
697 			header->gpio_pin[i].gpio_bitshift);
698 		info->mask_y = info->mask + 2;
699 		info->mask_en = info->mask + 1;
700 		info->mask_mask = info->mask - 1;
701 
702 		return BP_RESULT_OK;
703 	}
704 
705 	return BP_RESULT_NORECORD;
706 }
707 
708 static struct device_id device_type_from_device_id(uint16_t device_id)
709 {
710 
711 	struct device_id result_device_id;
712 
713 	result_device_id.raw_device_tag = device_id;
714 
715 	switch (device_id) {
716 	case ATOM_DISPLAY_LCD1_SUPPORT:
717 		result_device_id.device_type = DEVICE_TYPE_LCD;
718 		result_device_id.enum_id = 1;
719 		break;
720 
721 	case ATOM_DISPLAY_LCD2_SUPPORT:
722 		result_device_id.device_type = DEVICE_TYPE_LCD;
723 		result_device_id.enum_id = 2;
724 		break;
725 
726 	case ATOM_DISPLAY_DFP1_SUPPORT:
727 		result_device_id.device_type = DEVICE_TYPE_DFP;
728 		result_device_id.enum_id = 1;
729 		break;
730 
731 	case ATOM_DISPLAY_DFP2_SUPPORT:
732 		result_device_id.device_type = DEVICE_TYPE_DFP;
733 		result_device_id.enum_id = 2;
734 		break;
735 
736 	case ATOM_DISPLAY_DFP3_SUPPORT:
737 		result_device_id.device_type = DEVICE_TYPE_DFP;
738 		result_device_id.enum_id = 3;
739 		break;
740 
741 	case ATOM_DISPLAY_DFP4_SUPPORT:
742 		result_device_id.device_type = DEVICE_TYPE_DFP;
743 		result_device_id.enum_id = 4;
744 		break;
745 
746 	case ATOM_DISPLAY_DFP5_SUPPORT:
747 		result_device_id.device_type = DEVICE_TYPE_DFP;
748 		result_device_id.enum_id = 5;
749 		break;
750 
751 	case ATOM_DISPLAY_DFP6_SUPPORT:
752 		result_device_id.device_type = DEVICE_TYPE_DFP;
753 		result_device_id.enum_id = 6;
754 		break;
755 
756 	default:
757 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
758 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
759 		result_device_id.enum_id = 0;
760 	}
761 	return result_device_id;
762 }
763 
764 static enum bp_result bios_parser_get_device_tag(
765 	struct dc_bios *dcb,
766 	struct graphics_object_id connector_object_id,
767 	uint32_t device_tag_index,
768 	struct connector_device_tag_info *info)
769 {
770 	struct bios_parser *bp = BP_FROM_DCB(dcb);
771 	struct atom_display_object_path_v2 *object;
772 
773 	struct atom_display_object_path_v3 *object_path_v3;
774 
775 
776 	if (!info)
777 		return BP_RESULT_BADINPUT;
778 
779 	switch (bp->object_info_tbl.revision.minor) {
780 	    case 4:
781 	    default:
782 	        /* getBiosObject will return MXM object */
783 	        object = get_bios_object(bp, connector_object_id);
784 
785 		if (!object) {
786 			BREAK_TO_DEBUGGER(); /* Invalid object id */
787 			return BP_RESULT_BADINPUT;
788 		}
789 
790 	        info->acpi_device = 0; /* BIOS no longer provides this */
791 	        info->dev_id = device_type_from_device_id(object->device_tag);
792 	        break;
793 	    case 5:
794 		object_path_v3 = get_bios_object_from_path_v3(bp, connector_object_id);
795 
796 		if (!object_path_v3) {
797 			BREAK_TO_DEBUGGER(); /* Invalid object id */
798 			return BP_RESULT_BADINPUT;
799 		}
800 		info->acpi_device = 0; /* BIOS no longer provides this */
801 		info->dev_id = device_type_from_device_id(object_path_v3->device_tag);
802 		break;
803 	}
804 
805 	return BP_RESULT_OK;
806 }
807 
808 static enum bp_result get_ss_info_v4_1(
809 	struct bios_parser *bp,
810 	uint32_t id,
811 	uint32_t index,
812 	struct spread_spectrum_info *ss_info)
813 {
814 	enum bp_result result = BP_RESULT_OK;
815 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
816 	struct atom_smu_info_v3_3 *smu_info = NULL;
817 
818 	if (!ss_info)
819 		return BP_RESULT_BADINPUT;
820 
821 	if (!DATA_TABLES(dce_info))
822 		return BP_RESULT_BADBIOSTABLE;
823 
824 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
825 							DATA_TABLES(dce_info));
826 	if (!disp_cntl_tbl)
827 		return BP_RESULT_BADBIOSTABLE;
828 
829 
830 	ss_info->type.STEP_AND_DELAY_INFO = false;
831 	ss_info->spread_percentage_divider = 1000;
832 	/* BIOS no longer uses target clock.  Always enable for now */
833 	ss_info->target_clock_range = 0xffffffff;
834 
835 	switch (id) {
836 	case AS_SIGNAL_TYPE_DVI:
837 		ss_info->spread_spectrum_percentage =
838 				disp_cntl_tbl->dvi_ss_percentage;
839 		ss_info->spread_spectrum_range =
840 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
841 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
842 			ss_info->type.CENTER_MODE = true;
843 
844 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
845 		break;
846 	case AS_SIGNAL_TYPE_HDMI:
847 		ss_info->spread_spectrum_percentage =
848 				disp_cntl_tbl->hdmi_ss_percentage;
849 		ss_info->spread_spectrum_range =
850 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
851 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
852 			ss_info->type.CENTER_MODE = true;
853 
854 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
855 		break;
856 	/* TODO LVDS not support anymore? */
857 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
858 		ss_info->spread_spectrum_percentage =
859 				disp_cntl_tbl->dp_ss_percentage;
860 		ss_info->spread_spectrum_range =
861 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
862 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
863 			ss_info->type.CENTER_MODE = true;
864 
865 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
866 		break;
867 	case AS_SIGNAL_TYPE_GPU_PLL:
868 		/* atom_firmware: DAL only get data from dce_info table.
869 		 * if data within smu_info is needed for DAL, VBIOS should
870 		 * copy it into dce_info
871 		 */
872 		result = BP_RESULT_UNSUPPORTED;
873 		break;
874 	case AS_SIGNAL_TYPE_XGMI:
875 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
876 				      DATA_TABLES(smu_info));
877 		if (!smu_info)
878 			return BP_RESULT_BADBIOSTABLE;
879 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
880 		ss_info->spread_spectrum_percentage =
881 				smu_info->waflclk_ss_percentage;
882 		ss_info->spread_spectrum_range =
883 				smu_info->gpuclk_ss_rate_10hz * 10;
884 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
885 			ss_info->type.CENTER_MODE = true;
886 
887 		DC_LOG_BIOS("AS_SIGNAL_TYPE_XGMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
888 		break;
889 	default:
890 		result = BP_RESULT_UNSUPPORTED;
891 	}
892 
893 	return result;
894 }
895 
896 static enum bp_result get_ss_info_v4_2(
897 	struct bios_parser *bp,
898 	uint32_t id,
899 	uint32_t index,
900 	struct spread_spectrum_info *ss_info)
901 {
902 	enum bp_result result = BP_RESULT_OK;
903 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
904 	struct atom_smu_info_v3_1 *smu_info = NULL;
905 
906 	if (!ss_info)
907 		return BP_RESULT_BADINPUT;
908 
909 	if (!DATA_TABLES(dce_info))
910 		return BP_RESULT_BADBIOSTABLE;
911 
912 	if (!DATA_TABLES(smu_info))
913 		return BP_RESULT_BADBIOSTABLE;
914 
915 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
916 							DATA_TABLES(dce_info));
917 	if (!disp_cntl_tbl)
918 		return BP_RESULT_BADBIOSTABLE;
919 
920 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
921 	if (!smu_info)
922 		return BP_RESULT_BADBIOSTABLE;
923 
924 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
925 	ss_info->type.STEP_AND_DELAY_INFO = false;
926 	ss_info->spread_percentage_divider = 1000;
927 	/* BIOS no longer uses target clock.  Always enable for now */
928 	ss_info->target_clock_range = 0xffffffff;
929 
930 	switch (id) {
931 	case AS_SIGNAL_TYPE_DVI:
932 		ss_info->spread_spectrum_percentage =
933 				disp_cntl_tbl->dvi_ss_percentage;
934 		ss_info->spread_spectrum_range =
935 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
936 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
937 			ss_info->type.CENTER_MODE = true;
938 
939 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
940 		break;
941 	case AS_SIGNAL_TYPE_HDMI:
942 		ss_info->spread_spectrum_percentage =
943 				disp_cntl_tbl->hdmi_ss_percentage;
944 		ss_info->spread_spectrum_range =
945 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
946 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
947 			ss_info->type.CENTER_MODE = true;
948 
949 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
950 		break;
951 	/* TODO LVDS not support anymore? */
952 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
953 		ss_info->spread_spectrum_percentage =
954 				smu_info->gpuclk_ss_percentage;
955 		ss_info->spread_spectrum_range =
956 				smu_info->gpuclk_ss_rate_10hz * 10;
957 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
958 			ss_info->type.CENTER_MODE = true;
959 
960 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
961 		break;
962 	case AS_SIGNAL_TYPE_GPU_PLL:
963 		/* atom_firmware: DAL only get data from dce_info table.
964 		 * if data within smu_info is needed for DAL, VBIOS should
965 		 * copy it into dce_info
966 		 */
967 		result = BP_RESULT_UNSUPPORTED;
968 		break;
969 	default:
970 		result = BP_RESULT_UNSUPPORTED;
971 	}
972 
973 	return result;
974 }
975 
976 static enum bp_result get_ss_info_v4_5(
977 	struct bios_parser *bp,
978 	uint32_t id,
979 	uint32_t index,
980 	struct spread_spectrum_info *ss_info)
981 {
982 	enum bp_result result = BP_RESULT_OK;
983 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
984 
985 	if (!ss_info)
986 		return BP_RESULT_BADINPUT;
987 
988 	if (!DATA_TABLES(dce_info))
989 		return BP_RESULT_BADBIOSTABLE;
990 
991 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
992 							DATA_TABLES(dce_info));
993 	if (!disp_cntl_tbl)
994 		return BP_RESULT_BADBIOSTABLE;
995 
996 	ss_info->type.STEP_AND_DELAY_INFO = false;
997 	ss_info->spread_percentage_divider = 1000;
998 	/* BIOS no longer uses target clock.  Always enable for now */
999 	ss_info->target_clock_range = 0xffffffff;
1000 
1001 	switch (id) {
1002 	case AS_SIGNAL_TYPE_DVI:
1003 		ss_info->spread_spectrum_percentage =
1004 				disp_cntl_tbl->dvi_ss_percentage;
1005 		ss_info->spread_spectrum_range =
1006 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
1007 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1008 			ss_info->type.CENTER_MODE = true;
1009 
1010 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1011 		break;
1012 	case AS_SIGNAL_TYPE_HDMI:
1013 		ss_info->spread_spectrum_percentage =
1014 				disp_cntl_tbl->hdmi_ss_percentage;
1015 		ss_info->spread_spectrum_range =
1016 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
1017 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1018 			ss_info->type.CENTER_MODE = true;
1019 
1020 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1021 		break;
1022 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
1023 		ss_info->spread_spectrum_percentage =
1024 				disp_cntl_tbl->dp_ss_percentage;
1025 		ss_info->spread_spectrum_range =
1026 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
1027 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1028 			ss_info->type.CENTER_MODE = true;
1029 
1030 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1031 		break;
1032 	case AS_SIGNAL_TYPE_GPU_PLL:
1033 		/* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.
1034 		 * SMU Display PLL supposed to be without spread.
1035 		 * Better place for it would be in atom_display_controller_info_v4_5 table.
1036 		 */
1037 		result = BP_RESULT_UNSUPPORTED;
1038 		break;
1039 	default:
1040 		result = BP_RESULT_UNSUPPORTED;
1041 		break;
1042 	}
1043 
1044 	return result;
1045 }
1046 
1047 /**
1048  * bios_parser_get_spread_spectrum_info
1049  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
1050  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
1051  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
1052  * ver 3.1,
1053  * there is only one entry for each signal /ss id.  However, there is
1054  * no planning of supporting multiple spread Sprectum entry for EverGreen
1055  * @dcb:     pointer to the DC BIOS
1056  * @signal:  ASSignalType to be converted to info index
1057  * @index:   number of entries that match the converted info index
1058  * @ss_info: sprectrum information structure,
1059  * return: Bios parser result code
1060  */
1061 static enum bp_result bios_parser_get_spread_spectrum_info(
1062 	struct dc_bios *dcb,
1063 	enum as_signal_type signal,
1064 	uint32_t index,
1065 	struct spread_spectrum_info *ss_info)
1066 {
1067 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1068 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1069 	struct atom_common_table_header *header;
1070 	struct atom_data_revision tbl_revision;
1071 
1072 	if (!ss_info) /* check for bad input */
1073 		return BP_RESULT_BADINPUT;
1074 
1075 	if (!DATA_TABLES(dce_info))
1076 		return BP_RESULT_UNSUPPORTED;
1077 
1078 	header = GET_IMAGE(struct atom_common_table_header,
1079 						DATA_TABLES(dce_info));
1080 	get_atom_data_table_revision(header, &tbl_revision);
1081 
1082 	switch (tbl_revision.major) {
1083 	case 4:
1084 		switch (tbl_revision.minor) {
1085 		case 1:
1086 			return get_ss_info_v4_1(bp, signal, index, ss_info);
1087 		case 2:
1088 		case 3:
1089 		case 4:
1090 			return get_ss_info_v4_2(bp, signal, index, ss_info);
1091 		case 5:
1092 			return get_ss_info_v4_5(bp, signal, index, ss_info);
1093 
1094 		default:
1095 			ASSERT(0);
1096 			break;
1097 		}
1098 		break;
1099 	default:
1100 		break;
1101 	}
1102 	/* there can not be more then one entry for SS Info table */
1103 	return result;
1104 }
1105 
1106 static enum bp_result get_soc_bb_info_v4_4(
1107 	struct bios_parser *bp,
1108 	struct bp_soc_bb_info *soc_bb_info)
1109 {
1110 	enum bp_result result = BP_RESULT_OK;
1111 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1112 
1113 	if (!soc_bb_info)
1114 		return BP_RESULT_BADINPUT;
1115 
1116 	if (!DATA_TABLES(dce_info))
1117 		return BP_RESULT_BADBIOSTABLE;
1118 
1119 	if (!DATA_TABLES(smu_info))
1120 		return BP_RESULT_BADBIOSTABLE;
1121 
1122 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
1123 							DATA_TABLES(dce_info));
1124 	if (!disp_cntl_tbl)
1125 		return BP_RESULT_BADBIOSTABLE;
1126 
1127 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1128 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1129 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1130 
1131 	return result;
1132 }
1133 
1134 static enum bp_result get_soc_bb_info_v4_5(
1135 	struct bios_parser *bp,
1136 	struct bp_soc_bb_info *soc_bb_info)
1137 {
1138 	enum bp_result result = BP_RESULT_OK;
1139 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1140 
1141 	if (!soc_bb_info)
1142 		return BP_RESULT_BADINPUT;
1143 
1144 	if (!DATA_TABLES(dce_info))
1145 		return BP_RESULT_BADBIOSTABLE;
1146 
1147 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1148 							DATA_TABLES(dce_info));
1149 	if (!disp_cntl_tbl)
1150 		return BP_RESULT_BADBIOSTABLE;
1151 
1152 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1153 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1154 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1155 
1156 	return result;
1157 }
1158 
1159 static enum bp_result bios_parser_get_soc_bb_info(
1160 	struct dc_bios *dcb,
1161 	struct bp_soc_bb_info *soc_bb_info)
1162 {
1163 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1164 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1165 	struct atom_common_table_header *header;
1166 	struct atom_data_revision tbl_revision;
1167 
1168 	if (!soc_bb_info) /* check for bad input */
1169 		return BP_RESULT_BADINPUT;
1170 
1171 	if (!DATA_TABLES(dce_info))
1172 		return BP_RESULT_UNSUPPORTED;
1173 
1174 	header = GET_IMAGE(struct atom_common_table_header,
1175 						DATA_TABLES(dce_info));
1176 	get_atom_data_table_revision(header, &tbl_revision);
1177 
1178 	switch (tbl_revision.major) {
1179 	case 4:
1180 		switch (tbl_revision.minor) {
1181 		case 1:
1182 		case 2:
1183 		case 3:
1184 			break;
1185 		case 4:
1186 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
1187 			break;
1188 		case 5:
1189 			result = get_soc_bb_info_v4_5(bp, soc_bb_info);
1190 			break;
1191 		default:
1192 			break;
1193 		}
1194 		break;
1195 	default:
1196 		break;
1197 	}
1198 
1199 	return result;
1200 }
1201 
1202 static enum bp_result get_disp_caps_v4_1(
1203 	struct bios_parser *bp,
1204 	uint8_t *dce_caps)
1205 {
1206 	enum bp_result result = BP_RESULT_OK;
1207 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
1208 
1209 	if (!dce_caps)
1210 		return BP_RESULT_BADINPUT;
1211 
1212 	if (!DATA_TABLES(dce_info))
1213 		return BP_RESULT_BADBIOSTABLE;
1214 
1215 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_1,
1216 							DATA_TABLES(dce_info));
1217 
1218 	if (!disp_cntl_tbl)
1219 		return BP_RESULT_BADBIOSTABLE;
1220 
1221 	*dce_caps = disp_cntl_tbl->display_caps;
1222 
1223 	return result;
1224 }
1225 
1226 static enum bp_result get_disp_caps_v4_2(
1227 	struct bios_parser *bp,
1228 	uint8_t *dce_caps)
1229 {
1230 	enum bp_result result = BP_RESULT_OK;
1231 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
1232 
1233 	if (!dce_caps)
1234 		return BP_RESULT_BADINPUT;
1235 
1236 	if (!DATA_TABLES(dce_info))
1237 		return BP_RESULT_BADBIOSTABLE;
1238 
1239 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_2,
1240 							DATA_TABLES(dce_info));
1241 
1242 	if (!disp_cntl_tbl)
1243 		return BP_RESULT_BADBIOSTABLE;
1244 
1245 	*dce_caps = disp_cntl_tbl->display_caps;
1246 
1247 	return result;
1248 }
1249 
1250 static enum bp_result get_disp_caps_v4_3(
1251 	struct bios_parser *bp,
1252 	uint8_t *dce_caps)
1253 {
1254 	enum bp_result result = BP_RESULT_OK;
1255 	struct atom_display_controller_info_v4_3 *disp_cntl_tbl = NULL;
1256 
1257 	if (!dce_caps)
1258 		return BP_RESULT_BADINPUT;
1259 
1260 	if (!DATA_TABLES(dce_info))
1261 		return BP_RESULT_BADBIOSTABLE;
1262 
1263 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_3,
1264 							DATA_TABLES(dce_info));
1265 
1266 	if (!disp_cntl_tbl)
1267 		return BP_RESULT_BADBIOSTABLE;
1268 
1269 	*dce_caps = disp_cntl_tbl->display_caps;
1270 
1271 	return result;
1272 }
1273 
1274 static enum bp_result get_disp_caps_v4_4(
1275 	struct bios_parser *bp,
1276 	uint8_t *dce_caps)
1277 {
1278 	enum bp_result result = BP_RESULT_OK;
1279 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1280 
1281 	if (!dce_caps)
1282 		return BP_RESULT_BADINPUT;
1283 
1284 	if (!DATA_TABLES(dce_info))
1285 		return BP_RESULT_BADBIOSTABLE;
1286 
1287 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_4,
1288 							DATA_TABLES(dce_info));
1289 
1290 	if (!disp_cntl_tbl)
1291 		return BP_RESULT_BADBIOSTABLE;
1292 
1293 	*dce_caps = disp_cntl_tbl->display_caps;
1294 
1295 	return result;
1296 }
1297 
1298 static enum bp_result get_disp_caps_v4_5(
1299 	struct bios_parser *bp,
1300 	uint8_t *dce_caps)
1301 {
1302 	enum bp_result result = BP_RESULT_OK;
1303 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1304 
1305 	if (!dce_caps)
1306 		return BP_RESULT_BADINPUT;
1307 
1308 	if (!DATA_TABLES(dce_info))
1309 		return BP_RESULT_BADBIOSTABLE;
1310 
1311 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_5,
1312 							DATA_TABLES(dce_info));
1313 
1314 	if (!disp_cntl_tbl)
1315 		return BP_RESULT_BADBIOSTABLE;
1316 
1317 	*dce_caps = disp_cntl_tbl->display_caps;
1318 
1319 	return result;
1320 }
1321 
1322 static enum bp_result bios_parser_get_lttpr_interop(
1323 	struct dc_bios *dcb,
1324 	uint8_t *dce_caps)
1325 {
1326 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1327 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1328 	struct atom_common_table_header *header;
1329 	struct atom_data_revision tbl_revision;
1330 
1331 	if (!DATA_TABLES(dce_info))
1332 		return BP_RESULT_UNSUPPORTED;
1333 
1334 	header = GET_IMAGE(struct atom_common_table_header,
1335 						DATA_TABLES(dce_info));
1336 	get_atom_data_table_revision(header, &tbl_revision);
1337 	switch (tbl_revision.major) {
1338 	case 4:
1339 		switch (tbl_revision.minor) {
1340 		case 1:
1341 			result = get_disp_caps_v4_1(bp, dce_caps);
1342 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1343 			break;
1344 		case 2:
1345 			result = get_disp_caps_v4_2(bp, dce_caps);
1346 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1347 			break;
1348 		case 3:
1349 			result = get_disp_caps_v4_3(bp, dce_caps);
1350 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1351 			break;
1352 		case 4:
1353 			result = get_disp_caps_v4_4(bp, dce_caps);
1354 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1355 			break;
1356 		case 5:
1357 			result = get_disp_caps_v4_5(bp, dce_caps);
1358 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1359 			break;
1360 
1361 		default:
1362 			break;
1363 		}
1364 		break;
1365 	default:
1366 		break;
1367 	}
1368 	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);
1369 	return result;
1370 }
1371 
1372 static enum bp_result bios_parser_get_lttpr_caps(
1373 	struct dc_bios *dcb,
1374 	uint8_t *dce_caps)
1375 {
1376 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1377 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1378 	struct atom_common_table_header *header;
1379 	struct atom_data_revision tbl_revision;
1380 
1381 	if (!DATA_TABLES(dce_info))
1382 		return BP_RESULT_UNSUPPORTED;
1383 
1384 	*dce_caps  = 0;
1385 	header = GET_IMAGE(struct atom_common_table_header,
1386 						DATA_TABLES(dce_info));
1387 	get_atom_data_table_revision(header, &tbl_revision);
1388 	switch (tbl_revision.major) {
1389 	case 4:
1390 		switch (tbl_revision.minor) {
1391 		case 1:
1392 			result = get_disp_caps_v4_1(bp, dce_caps);
1393 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1394 			break;
1395 		case 2:
1396 			result = get_disp_caps_v4_2(bp, dce_caps);
1397 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1398 			break;
1399 		case 3:
1400 			result = get_disp_caps_v4_3(bp, dce_caps);
1401 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1402 			break;
1403 		case 4:
1404 			result = get_disp_caps_v4_4(bp, dce_caps);
1405 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1406 			break;
1407 		case 5:
1408 			result = get_disp_caps_v4_5(bp, dce_caps);
1409 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1410 			break;
1411 		default:
1412 			break;
1413 		}
1414 		break;
1415 	default:
1416 		break;
1417 	}
1418 	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);
1419 	if (dcb->ctx->dc->config.force_bios_enable_lttpr && *dce_caps == 0) {
1420 		*dce_caps = 1;
1421 		DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: forced enabled");
1422 	}
1423 	return result;
1424 }
1425 
1426 static enum bp_result get_embedded_panel_info_v2_1(
1427 		struct bios_parser *bp,
1428 		struct embedded_panel_info *info)
1429 {
1430 	struct lcd_info_v2_1 *lvds;
1431 
1432 	if (!info)
1433 		return BP_RESULT_BADINPUT;
1434 
1435 	if (!DATA_TABLES(lcd_info))
1436 		return BP_RESULT_UNSUPPORTED;
1437 
1438 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1439 
1440 	if (!lvds)
1441 		return BP_RESULT_BADBIOSTABLE;
1442 
1443 	/* TODO: previous vv1_3, should v2_1 */
1444 	if (!((lvds->table_header.format_revision == 2)
1445 			&& (lvds->table_header.content_revision >= 1)))
1446 		return BP_RESULT_UNSUPPORTED;
1447 
1448 	memset(info, 0, sizeof(struct embedded_panel_info));
1449 
1450 	/* We need to convert from 10KHz units into KHz units */
1451 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1452 	/* usHActive does not include borders, according to VBIOS team */
1453 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
1454 	/* usHBlanking_Time includes borders, so we should really be
1455 	 * subtractingborders duing this translation, but LVDS generally
1456 	 * doesn't have borders, so we should be okay leaving this as is for
1457 	 * now.  May need to revisit if we ever have LVDS with borders
1458 	 */
1459 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1460 	/* usVActive does not include borders, according to VBIOS team*/
1461 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
1462 	/* usVBlanking_Time includes borders, so we should really be
1463 	 * subtracting borders duing this translation, but LVDS generally
1464 	 * doesn't have borders, so we should be okay leaving this as is for
1465 	 * now. May need to revisit if we ever have LVDS with borders
1466 	 */
1467 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1468 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1469 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
1470 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1471 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1472 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1473 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1474 
1475 	/* not provided by VBIOS */
1476 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1477 
1478 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1479 			& ATOM_HSYNC_POLARITY);
1480 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1481 			& ATOM_VSYNC_POLARITY);
1482 
1483 	/* not provided by VBIOS */
1484 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1485 
1486 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1487 			& ATOM_H_REPLICATIONBY2);
1488 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1489 			& ATOM_V_REPLICATIONBY2);
1490 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
1491 			& ATOM_COMPOSITESYNC);
1492 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1493 
1494 	/* not provided by VBIOS*/
1495 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1496 	/* not provided by VBIOS*/
1497 	info->ss_id = 0;
1498 
1499 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1500 
1501 	return BP_RESULT_OK;
1502 }
1503 
1504 static enum bp_result bios_parser_get_embedded_panel_info(
1505 		struct dc_bios *dcb,
1506 		struct embedded_panel_info *info)
1507 {
1508 	struct bios_parser
1509 	*bp = BP_FROM_DCB(dcb);
1510 	struct atom_common_table_header *header;
1511 	struct atom_data_revision tbl_revision;
1512 
1513 	if (!DATA_TABLES(lcd_info))
1514 		return BP_RESULT_FAILURE;
1515 
1516 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1517 
1518 	if (!header)
1519 		return BP_RESULT_BADBIOSTABLE;
1520 
1521 	get_atom_data_table_revision(header, &tbl_revision);
1522 
1523 	switch (tbl_revision.major) {
1524 	case 2:
1525 		switch (tbl_revision.minor) {
1526 		case 1:
1527 			return get_embedded_panel_info_v2_1(bp, info);
1528 		default:
1529 			break;
1530 		}
1531 		break;
1532 	default:
1533 		break;
1534 	}
1535 
1536 	return BP_RESULT_FAILURE;
1537 }
1538 
1539 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1540 {
1541 	enum dal_device_type device_type = device_id.device_type;
1542 	uint32_t enum_id = device_id.enum_id;
1543 
1544 	switch (device_type) {
1545 	case DEVICE_TYPE_LCD:
1546 		switch (enum_id) {
1547 		case 1:
1548 			return ATOM_DISPLAY_LCD1_SUPPORT;
1549 		default:
1550 			break;
1551 		}
1552 		break;
1553 	case DEVICE_TYPE_DFP:
1554 		switch (enum_id) {
1555 		case 1:
1556 			return ATOM_DISPLAY_DFP1_SUPPORT;
1557 		case 2:
1558 			return ATOM_DISPLAY_DFP2_SUPPORT;
1559 		case 3:
1560 			return ATOM_DISPLAY_DFP3_SUPPORT;
1561 		case 4:
1562 			return ATOM_DISPLAY_DFP4_SUPPORT;
1563 		case 5:
1564 			return ATOM_DISPLAY_DFP5_SUPPORT;
1565 		case 6:
1566 			return ATOM_DISPLAY_DFP6_SUPPORT;
1567 		default:
1568 			break;
1569 		}
1570 		break;
1571 	default:
1572 		break;
1573 	}
1574 
1575 	/* Unidentified device ID, return empty support mask. */
1576 	return 0;
1577 }
1578 
1579 static bool bios_parser_is_device_id_supported(
1580 	struct dc_bios *dcb,
1581 	struct device_id id)
1582 {
1583 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1584 
1585 	uint32_t mask = get_support_mask_for_device_id(id);
1586 
1587 	switch (bp->object_info_tbl.revision.minor) {
1588 	    case 4:
1589 	    default:
1590 	        return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) & mask) != 0;
1591 			break;
1592 	    case 5:
1593 			return (le16_to_cpu(bp->object_info_tbl.v1_5->supporteddevices) & mask) != 0;
1594 			break;
1595 	}
1596 
1597 	return false;
1598 }
1599 
1600 static uint32_t bios_parser_get_ss_entry_number(
1601 	struct dc_bios *dcb,
1602 	enum as_signal_type signal)
1603 {
1604 	/* TODO: DAL2 atomfirmware implementation does not need this.
1605 	 * why DAL3 need this?
1606 	 */
1607 	return 1;
1608 }
1609 
1610 static enum bp_result bios_parser_transmitter_control(
1611 	struct dc_bios *dcb,
1612 	struct bp_transmitter_control *cntl)
1613 {
1614 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1615 
1616 	if (!bp->cmd_tbl.transmitter_control)
1617 		return BP_RESULT_FAILURE;
1618 
1619 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1620 }
1621 
1622 static enum bp_result bios_parser_encoder_control(
1623 	struct dc_bios *dcb,
1624 	struct bp_encoder_control *cntl)
1625 {
1626 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1627 
1628 	if (!bp->cmd_tbl.dig_encoder_control)
1629 		return BP_RESULT_FAILURE;
1630 
1631 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1632 }
1633 
1634 static enum bp_result bios_parser_set_pixel_clock(
1635 	struct dc_bios *dcb,
1636 	struct bp_pixel_clock_parameters *bp_params)
1637 {
1638 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1639 
1640 	if (!bp->cmd_tbl.set_pixel_clock)
1641 		return BP_RESULT_FAILURE;
1642 
1643 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1644 }
1645 
1646 static enum bp_result bios_parser_set_dce_clock(
1647 	struct dc_bios *dcb,
1648 	struct bp_set_dce_clock_parameters *bp_params)
1649 {
1650 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1651 
1652 	if (!bp->cmd_tbl.set_dce_clock)
1653 		return BP_RESULT_FAILURE;
1654 
1655 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1656 }
1657 
1658 static enum bp_result bios_parser_program_crtc_timing(
1659 	struct dc_bios *dcb,
1660 	struct bp_hw_crtc_timing_parameters *bp_params)
1661 {
1662 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1663 
1664 	if (!bp->cmd_tbl.set_crtc_timing)
1665 		return BP_RESULT_FAILURE;
1666 
1667 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1668 }
1669 
1670 static enum bp_result bios_parser_enable_crtc(
1671 	struct dc_bios *dcb,
1672 	enum controller_id id,
1673 	bool enable)
1674 {
1675 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1676 
1677 	if (!bp->cmd_tbl.enable_crtc)
1678 		return BP_RESULT_FAILURE;
1679 
1680 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1681 }
1682 
1683 static enum bp_result bios_parser_enable_disp_power_gating(
1684 	struct dc_bios *dcb,
1685 	enum controller_id controller_id,
1686 	enum bp_pipe_control_action action)
1687 {
1688 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1689 
1690 	if (!bp->cmd_tbl.enable_disp_power_gating)
1691 		return BP_RESULT_FAILURE;
1692 
1693 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1694 		action);
1695 }
1696 
1697 static enum bp_result bios_parser_enable_lvtma_control(
1698 	struct dc_bios *dcb,
1699 	uint8_t uc_pwr_on,
1700 	uint8_t panel_instance,
1701 	uint8_t bypass_panel_control_wait)
1702 {
1703 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1704 
1705 	if (!bp->cmd_tbl.enable_lvtma_control)
1706 		return BP_RESULT_FAILURE;
1707 
1708 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, panel_instance, bypass_panel_control_wait);
1709 }
1710 
1711 static bool bios_parser_is_accelerated_mode(
1712 	struct dc_bios *dcb)
1713 {
1714 	return bios_is_accelerated_mode(dcb);
1715 }
1716 
1717 /**
1718  * bios_parser_set_scratch_critical_state - update critical state bit
1719  *                                          in VBIOS scratch register
1720  *
1721  * @dcb:   pointer to the DC BIO
1722  * @state: set or reset state
1723  */
1724 static void bios_parser_set_scratch_critical_state(
1725 	struct dc_bios *dcb,
1726 	bool state)
1727 {
1728 	bios_set_scratch_critical_state(dcb, state);
1729 }
1730 
1731 struct atom_dig_transmitter_info_header_v5_3 {
1732     struct atom_common_table_header table_header;
1733     uint16_t dpphy_hdmi_settings_offset;
1734     uint16_t dpphy_dvi_settings_offset;
1735     uint16_t dpphy_dp_setting_table_offset;
1736     uint16_t uniphy_xbar_settings_v2_table_offset;
1737     uint16_t dpphy_internal_reg_overide_offset;
1738 };
1739 
1740 static enum bp_result bios_parser_get_firmware_info(
1741 	struct dc_bios *dcb,
1742 	struct dc_firmware_info *info)
1743 {
1744 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1745 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
1746 	struct atom_common_table_header *header;
1747 
1748 	struct atom_data_revision revision;
1749 
1750 	if (info && DATA_TABLES(firmwareinfo)) {
1751 		header = GET_IMAGE(struct atom_common_table_header,
1752 				DATA_TABLES(firmwareinfo));
1753 		get_atom_data_table_revision(header, &revision);
1754 		switch (revision.major) {
1755 		case 3:
1756 			switch (revision.minor) {
1757 			case 1:
1758 				result = get_firmware_info_v3_1(bp, info);
1759 				break;
1760 			case 2:
1761 			case 3:
1762 				result = get_firmware_info_v3_2(bp, info);
1763                                 break;
1764 			case 4:
1765 				result = get_firmware_info_v3_4(bp, info);
1766 				break;
1767 			default:
1768 				break;
1769 			}
1770 			break;
1771 		default:
1772 			break;
1773 		}
1774 	}
1775 
1776 	return result;
1777 }
1778 
1779 static enum bp_result get_firmware_info_v3_1(
1780 	struct bios_parser *bp,
1781 	struct dc_firmware_info *info)
1782 {
1783 	struct atom_firmware_info_v3_1 *firmware_info;
1784 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1785 
1786 	if (!info)
1787 		return BP_RESULT_BADINPUT;
1788 
1789 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1790 			DATA_TABLES(firmwareinfo));
1791 
1792 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1793 			DATA_TABLES(dce_info));
1794 
1795 	if (!firmware_info || !dce_info)
1796 		return BP_RESULT_BADBIOSTABLE;
1797 
1798 	memset(info, 0, sizeof(*info));
1799 
1800 	/* Pixel clock pll information. */
1801 	 /* We need to convert from 10KHz units into KHz units */
1802 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1803 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1804 
1805 	 /* 27MHz for Vega10: */
1806 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1807 
1808 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1809 	if (info->pll_info.crystal_frequency == 0)
1810 		info->pll_info.crystal_frequency = 27000;
1811 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1812 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1813 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1814 
1815 	/* Get GPU PLL VCO Clock */
1816 
1817 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1818 		/* VBIOS gives in 10KHz */
1819 		info->smu_gpu_pll_output_freq =
1820 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1821 	}
1822 
1823 	info->oem_i2c_present = false;
1824 
1825 	return BP_RESULT_OK;
1826 }
1827 
1828 static enum bp_result get_firmware_info_v3_2(
1829 	struct bios_parser *bp,
1830 	struct dc_firmware_info *info)
1831 {
1832 	struct atom_firmware_info_v3_2 *firmware_info;
1833 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1834 	struct atom_common_table_header *header;
1835 	struct atom_data_revision revision;
1836 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1837 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1838 
1839 	if (!info)
1840 		return BP_RESULT_BADINPUT;
1841 
1842 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1843 			DATA_TABLES(firmwareinfo));
1844 
1845 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1846 			DATA_TABLES(dce_info));
1847 
1848 	if (!firmware_info || !dce_info)
1849 		return BP_RESULT_BADBIOSTABLE;
1850 
1851 	memset(info, 0, sizeof(*info));
1852 
1853 	header = GET_IMAGE(struct atom_common_table_header,
1854 					DATA_TABLES(smu_info));
1855 	get_atom_data_table_revision(header, &revision);
1856 
1857 	if (revision.minor == 2) {
1858 		/* Vega12 */
1859 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1860 							DATA_TABLES(smu_info));
1861 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_2->gpuclk_ss_percentage);
1862 		if (!smu_info_v3_2)
1863 			return BP_RESULT_BADBIOSTABLE;
1864 
1865 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1866 	} else if (revision.minor == 3) {
1867 		/* Vega20 */
1868 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1869 							DATA_TABLES(smu_info));
1870 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_3->gpuclk_ss_percentage);
1871 		if (!smu_info_v3_3)
1872 			return BP_RESULT_BADBIOSTABLE;
1873 
1874 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1875 	}
1876 
1877 	 // We need to convert from 10KHz units into KHz units.
1878 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1879 
1880 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1881 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1882 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1883 	if (info->pll_info.crystal_frequency == 0) {
1884 		if (revision.minor == 2)
1885 			info->pll_info.crystal_frequency = 27000;
1886 		else if (revision.minor == 3)
1887 			info->pll_info.crystal_frequency = 100000;
1888 	}
1889 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1890 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1891 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1892 
1893 	/* Get GPU PLL VCO Clock */
1894 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1895 		if (revision.minor == 2)
1896 			info->smu_gpu_pll_output_freq =
1897 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1898 		else if (revision.minor == 3)
1899 			info->smu_gpu_pll_output_freq =
1900 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1901 	}
1902 
1903 	if (firmware_info->board_i2c_feature_id == 0x2) {
1904 		info->oem_i2c_present = true;
1905 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1906 	} else {
1907 		info->oem_i2c_present = false;
1908 	}
1909 
1910 	return BP_RESULT_OK;
1911 }
1912 
1913 static enum bp_result get_firmware_info_v3_4(
1914 	struct bios_parser *bp,
1915 	struct dc_firmware_info *info)
1916 {
1917 	struct atom_firmware_info_v3_4 *firmware_info;
1918 	struct atom_common_table_header *header;
1919 	struct atom_data_revision revision;
1920 	struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
1921 	struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
1922 
1923 	struct atom_smu_info_v3_5 *smu_info_v3_5 = NULL;
1924 	struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
1925 	struct atom_smu_info_v4_0 *smu_info_v4_0 = NULL;
1926 
1927 	if (!info)
1928 		return BP_RESULT_BADINPUT;
1929 
1930 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
1931 			DATA_TABLES(firmwareinfo));
1932 
1933 	if (!firmware_info)
1934 		return BP_RESULT_BADBIOSTABLE;
1935 
1936 	memset(info, 0, sizeof(*info));
1937 
1938 	header = GET_IMAGE(struct atom_common_table_header,
1939 					DATA_TABLES(dce_info));
1940 
1941 	get_atom_data_table_revision(header, &revision);
1942 
1943 	switch (revision.major) {
1944 	case 4:
1945 		switch (revision.minor) {
1946 		case 5:
1947 			dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
1948 							DATA_TABLES(dce_info));
1949 
1950 			if (!dce_info_v4_5)
1951 				return BP_RESULT_BADBIOSTABLE;
1952 
1953 			 /* 100MHz expected */
1954 			info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
1955 			info->dp_phy_ref_clk             = dce_info_v4_5->dpphy_refclk_10khz * 10;
1956 			 /* 50MHz expected */
1957 			info->i2c_engine_ref_clk         = dce_info_v4_5->i2c_engine_refclk_10khz * 10;
1958 
1959 			/* For DCN32/321 Display PLL VCO Frequency from dce_info_v4_5 may not be reliable */
1960 			break;
1961 
1962 		case 4:
1963 			dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
1964 							DATA_TABLES(dce_info));
1965 
1966 			if (!dce_info_v4_4)
1967 				return BP_RESULT_BADBIOSTABLE;
1968 
1969 			/* 100MHz expected */
1970 			info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10;
1971 			info->dp_phy_ref_clk             = dce_info_v4_4->dpphy_refclk_10khz * 10;
1972 			/* 50MHz expected */
1973 			info->i2c_engine_ref_clk         = dce_info_v4_4->i2c_engine_refclk_10khz * 10;
1974 
1975 			/* Get SMU Display PLL VCO Frequency in KHz*/
1976 			info->smu_gpu_pll_output_freq =	dce_info_v4_4->dispclk_pll_vco_freq * 10;
1977 			break;
1978 
1979 		default:
1980 			/* should not come here, keep as backup, as was before */
1981 			dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1,
1982 							DATA_TABLES(dce_info));
1983 
1984 			if (!dce_info_v4_1)
1985 				return BP_RESULT_BADBIOSTABLE;
1986 
1987 			info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10;
1988 			info->dp_phy_ref_clk             = dce_info_v4_1->dpphy_refclk_10khz * 10;
1989 			info->i2c_engine_ref_clk         = dce_info_v4_1->i2c_engine_refclk_10khz * 10;
1990 			break;
1991 		}
1992 		break;
1993 
1994 	default:
1995 		ASSERT(0);
1996 		break;
1997 	}
1998 
1999 	header = GET_IMAGE(struct atom_common_table_header,
2000 					DATA_TABLES(smu_info));
2001 	get_atom_data_table_revision(header, &revision);
2002 
2003 	switch (revision.major) {
2004 	case 3:
2005 		switch (revision.minor) {
2006 		case 5:
2007 			smu_info_v3_5 = GET_IMAGE(struct atom_smu_info_v3_5,
2008 							DATA_TABLES(smu_info));
2009 
2010 			if (!smu_info_v3_5)
2011 				return BP_RESULT_BADBIOSTABLE;
2012 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_5->gpuclk_ss_percentage);
2013 			info->default_engine_clk = smu_info_v3_5->bootup_dcefclk_10khz * 10;
2014 			break;
2015 
2016 		default:
2017 			break;
2018 		}
2019 		break;
2020 
2021 	case 4:
2022 		switch (revision.minor) {
2023 		case 0:
2024 			smu_info_v4_0 = GET_IMAGE(struct atom_smu_info_v4_0,
2025 							DATA_TABLES(smu_info));
2026 
2027 			if (!smu_info_v4_0)
2028 				return BP_RESULT_BADBIOSTABLE;
2029 
2030 			/* For DCN32/321 bootup DCFCLK from smu_info_v4_0 may not be reliable */
2031 			break;
2032 
2033 		default:
2034 			break;
2035 		}
2036 		break;
2037 
2038 	default:
2039 		break;
2040 	}
2041 
2042 	 // We need to convert from 10KHz units into KHz units.
2043 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
2044 
2045 	if (firmware_info->board_i2c_feature_id == 0x2) {
2046 		info->oem_i2c_present = true;
2047 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2048 	} else {
2049 		info->oem_i2c_present = false;
2050 	}
2051 
2052 	return BP_RESULT_OK;
2053 }
2054 
2055 static enum bp_result bios_parser_get_encoder_cap_info(
2056 	struct dc_bios *dcb,
2057 	struct graphics_object_id object_id,
2058 	struct bp_encoder_cap_info *info)
2059 {
2060 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2061 	struct atom_display_object_path_v2 *object;
2062 	struct atom_encoder_caps_record *record = NULL;
2063 
2064 	if (!info)
2065 		return BP_RESULT_BADINPUT;
2066 
2067 #if defined(CONFIG_DRM_AMD_DC_FP)
2068 	/* encoder cap record not available in v1_5 */
2069 	if (bp->object_info_tbl.revision.minor == 5)
2070 		return BP_RESULT_NORECORD;
2071 #endif
2072 
2073 	object = get_bios_object(bp, object_id);
2074 
2075 	if (!object)
2076 		return BP_RESULT_BADINPUT;
2077 
2078 	record = get_encoder_cap_record(bp, object);
2079 	if (!record)
2080 		return BP_RESULT_NORECORD;
2081 	DC_LOG_BIOS("record->encodercaps 0x%x for object_id 0x%x", record->encodercaps, object_id.id);
2082 
2083 	info->DP_HBR2_CAP = (record->encodercaps &
2084 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
2085 	info->DP_HBR2_EN = (record->encodercaps &
2086 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
2087 	info->DP_HBR3_EN = (record->encodercaps &
2088 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
2089 	info->HDMI_6GB_EN = (record->encodercaps &
2090 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
2091 	info->IS_DP2_CAPABLE = (record->encodercaps &
2092 			ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
2093 	info->DP_UHBR10_EN = (record->encodercaps &
2094 			ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
2095 	info->DP_UHBR13_5_EN = (record->encodercaps &
2096 			ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
2097 	info->DP_UHBR20_EN = (record->encodercaps &
2098 			ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
2099 	info->DP_IS_USB_C = (record->encodercaps &
2100 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
2101 	DC_LOG_BIOS("\t info->DP_IS_USB_C %d", info->DP_IS_USB_C);
2102 
2103 	return BP_RESULT_OK;
2104 }
2105 
2106 
2107 static struct atom_encoder_caps_record *get_encoder_cap_record(
2108 	struct bios_parser *bp,
2109 	struct atom_display_object_path_v2 *object)
2110 {
2111 	struct atom_common_record_header *header;
2112 	uint32_t offset;
2113 
2114 	if (!object) {
2115 		BREAK_TO_DEBUGGER(); /* Invalid object */
2116 		return NULL;
2117 	}
2118 
2119 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
2120 
2121 	for (;;) {
2122 		header = GET_IMAGE(struct atom_common_record_header, offset);
2123 
2124 		if (!header)
2125 			return NULL;
2126 
2127 		offset += header->record_size;
2128 
2129 		if (header->record_type == LAST_RECORD_TYPE ||
2130 				!header->record_size)
2131 			break;
2132 
2133 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
2134 			continue;
2135 
2136 		if (sizeof(struct atom_encoder_caps_record) <=
2137 							header->record_size)
2138 			return (struct atom_encoder_caps_record *)header;
2139 	}
2140 
2141 	return NULL;
2142 }
2143 
2144 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
2145 	struct bios_parser *bp,
2146 	struct atom_display_object_path_v2 *object)
2147 {
2148 	struct atom_common_record_header *header;
2149 	uint32_t offset;
2150 
2151 	if (!object) {
2152 		BREAK_TO_DEBUGGER(); /* Invalid object */
2153 		return NULL;
2154 	}
2155 
2156 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2157 
2158 	for (;;) {
2159 		header = GET_IMAGE(struct atom_common_record_header, offset);
2160 
2161 		if (!header)
2162 			return NULL;
2163 
2164 		offset += header->record_size;
2165 
2166 		if (header->record_type == LAST_RECORD_TYPE ||
2167 				!header->record_size)
2168 			break;
2169 
2170 		if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
2171 			continue;
2172 
2173 		if (sizeof(struct atom_disp_connector_caps_record) <=
2174 							header->record_size)
2175 			return (struct atom_disp_connector_caps_record *)header;
2176 	}
2177 
2178 	return NULL;
2179 }
2180 
2181 static struct atom_connector_caps_record *get_connector_caps_record(
2182 	struct bios_parser *bp,
2183 	struct atom_display_object_path_v3 *object)
2184 {
2185 	struct atom_common_record_header *header;
2186 	uint32_t offset;
2187 
2188 	if (!object) {
2189 		BREAK_TO_DEBUGGER(); /* Invalid object */
2190 		return NULL;
2191 	}
2192 
2193 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2194 
2195 	for (;;) {
2196 		header = GET_IMAGE(struct atom_common_record_header, offset);
2197 
2198 		if (!header)
2199 			return NULL;
2200 
2201 		offset += header->record_size;
2202 
2203 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2204 				!header->record_size)
2205 			break;
2206 
2207 		if (header->record_type != ATOM_CONNECTOR_CAP_RECORD_TYPE)
2208 			continue;
2209 
2210 		if (sizeof(struct atom_connector_caps_record) <= header->record_size)
2211 			return (struct atom_connector_caps_record *)header;
2212 	}
2213 
2214 	return NULL;
2215 }
2216 
2217 static enum bp_result bios_parser_get_disp_connector_caps_info(
2218 	struct dc_bios *dcb,
2219 	struct graphics_object_id object_id,
2220 	struct bp_disp_connector_caps_info *info)
2221 {
2222 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2223 	struct atom_display_object_path_v2 *object;
2224 
2225 	struct atom_display_object_path_v3 *object_path_v3;
2226 	struct atom_connector_caps_record *record_path_v3;
2227 
2228 	struct atom_disp_connector_caps_record *record = NULL;
2229 
2230 	if (!info)
2231 		return BP_RESULT_BADINPUT;
2232 
2233 	switch (bp->object_info_tbl.revision.minor) {
2234 	    case 4:
2235 	    default:
2236 		    object = get_bios_object(bp, object_id);
2237 
2238 		    if (!object)
2239 			    return BP_RESULT_BADINPUT;
2240 
2241 		    record = get_disp_connector_caps_record(bp, object);
2242 		    if (!record)
2243 			    return BP_RESULT_NORECORD;
2244 
2245 		    info->INTERNAL_DISPLAY =
2246 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) ? 1 : 0;
2247 		    info->INTERNAL_DISPLAY_BL =
2248 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) ? 1 : 0;
2249 		    break;
2250 	    case 5:
2251 		object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2252 
2253 		if (!object_path_v3)
2254 			return BP_RESULT_BADINPUT;
2255 
2256 		record_path_v3 = get_connector_caps_record(bp, object_path_v3);
2257 		if (!record_path_v3)
2258 			return BP_RESULT_NORECORD;
2259 
2260 		info->INTERNAL_DISPLAY = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
2261 									? 1 : 0;
2262 		info->INTERNAL_DISPLAY_BL = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
2263 										? 1 : 0;
2264 		break;
2265 	}
2266 
2267 	return BP_RESULT_OK;
2268 }
2269 
2270 static struct atom_connector_speed_record *get_connector_speed_cap_record(
2271 	struct bios_parser *bp,
2272 	struct atom_display_object_path_v3 *object)
2273 {
2274 	struct atom_common_record_header *header;
2275 	uint32_t offset;
2276 
2277 	if (!object) {
2278 		BREAK_TO_DEBUGGER(); /* Invalid object */
2279 		return NULL;
2280 	}
2281 
2282 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2283 
2284 	for (;;) {
2285 		header = GET_IMAGE(struct atom_common_record_header, offset);
2286 
2287 		if (!header)
2288 			return NULL;
2289 
2290 		offset += header->record_size;
2291 
2292 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2293 				!header->record_size)
2294 			break;
2295 
2296 		if (header->record_type != ATOM_CONNECTOR_SPEED_UPTO)
2297 			continue;
2298 
2299 		if (sizeof(struct atom_connector_speed_record) <= header->record_size)
2300 			return (struct atom_connector_speed_record *)header;
2301 	}
2302 
2303 	return NULL;
2304 }
2305 
2306 static enum bp_result bios_parser_get_connector_speed_cap_info(
2307 	struct dc_bios *dcb,
2308 	struct graphics_object_id object_id,
2309 	struct bp_connector_speed_cap_info *info)
2310 {
2311 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2312 	struct atom_display_object_path_v3 *object_path_v3;
2313 	//struct atom_connector_speed_record *record = NULL;
2314 	struct atom_connector_speed_record *record;
2315 
2316 	if (!info)
2317 		return BP_RESULT_BADINPUT;
2318 
2319 	object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2320 
2321 	if (!object_path_v3)
2322 		return BP_RESULT_BADINPUT;
2323 
2324 	record = get_connector_speed_cap_record(bp, object_path_v3);
2325 	if (!record)
2326 		return BP_RESULT_NORECORD;
2327 
2328 	info->DP_HBR2_EN = (record->connector_max_speed >= 5400) ? 1 : 0;
2329 	info->DP_HBR3_EN = (record->connector_max_speed >= 8100) ? 1 : 0;
2330 	info->HDMI_6GB_EN = (record->connector_max_speed >= 5940) ? 1 : 0;
2331 	info->DP_UHBR10_EN = (record->connector_max_speed >= 10000) ? 1 : 0;
2332 	info->DP_UHBR13_5_EN = (record->connector_max_speed >= 13500) ? 1 : 0;
2333 	info->DP_UHBR20_EN = (record->connector_max_speed >= 20000) ? 1 : 0;
2334 	return BP_RESULT_OK;
2335 }
2336 
2337 static enum bp_result get_vram_info_v23(
2338 	struct bios_parser *bp,
2339 	struct dc_vram_info *info)
2340 {
2341 	struct atom_vram_info_header_v2_3 *info_v23;
2342 	static enum bp_result result = BP_RESULT_OK;
2343 
2344 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
2345 						DATA_TABLES(vram_info));
2346 
2347 	if (info_v23 == NULL)
2348 		return BP_RESULT_BADBIOSTABLE;
2349 
2350 	info->num_chans = info_v23->vram_module[0].channel_num;
2351 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
2352 
2353 	return result;
2354 }
2355 
2356 static enum bp_result get_vram_info_v24(
2357 	struct bios_parser *bp,
2358 	struct dc_vram_info *info)
2359 {
2360 	struct atom_vram_info_header_v2_4 *info_v24;
2361 	static enum bp_result result = BP_RESULT_OK;
2362 
2363 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
2364 						DATA_TABLES(vram_info));
2365 
2366 	if (info_v24 == NULL)
2367 		return BP_RESULT_BADBIOSTABLE;
2368 
2369 	info->num_chans = info_v24->vram_module[0].channel_num;
2370 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
2371 
2372 	return result;
2373 }
2374 
2375 static enum bp_result get_vram_info_v25(
2376 	struct bios_parser *bp,
2377 	struct dc_vram_info *info)
2378 {
2379 	struct atom_vram_info_header_v2_5 *info_v25;
2380 	static enum bp_result result = BP_RESULT_OK;
2381 
2382 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
2383 						DATA_TABLES(vram_info));
2384 
2385 	if (info_v25 == NULL)
2386 		return BP_RESULT_BADBIOSTABLE;
2387 
2388 	info->num_chans = info_v25->vram_module[0].channel_num;
2389 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
2390 
2391 	return result;
2392 }
2393 
2394 static enum bp_result get_vram_info_v30(
2395 	struct bios_parser *bp,
2396 	struct dc_vram_info *info)
2397 {
2398 	struct atom_vram_info_header_v3_0 *info_v30;
2399 	enum bp_result result = BP_RESULT_OK;
2400 
2401 	info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
2402 						DATA_TABLES(vram_info));
2403 
2404 	if (info_v30 == NULL)
2405 		return BP_RESULT_BADBIOSTABLE;
2406 
2407 	info->num_chans = info_v30->channel_num;
2408 	info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
2409 
2410 	return result;
2411 }
2412 
2413 
2414 /*
2415  * get_integrated_info_v11
2416  *
2417  * @brief
2418  * Get V8 integrated BIOS information
2419  *
2420  * @param
2421  * bios_parser *bp - [in]BIOS parser handler to get master data table
2422  * integrated_info *info - [out] store and output integrated info
2423  *
2424  * @return
2425  * static enum bp_result - BP_RESULT_OK if information is available,
2426  *                  BP_RESULT_BADBIOSTABLE otherwise.
2427  */
2428 static enum bp_result get_integrated_info_v11(
2429 	struct bios_parser *bp,
2430 	struct integrated_info *info)
2431 {
2432 	struct atom_integrated_system_info_v1_11 *info_v11;
2433 	uint32_t i;
2434 
2435 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
2436 					DATA_TABLES(integratedsysteminfo));
2437 
2438 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v11->gpuclk_ss_percentage);
2439 	if (info_v11 == NULL)
2440 		return BP_RESULT_BADBIOSTABLE;
2441 
2442 	info->gpu_cap_info =
2443 	le32_to_cpu(info_v11->gpucapinfo);
2444 	/*
2445 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2446 	*                       = 1 : PCIE power gating enabled
2447 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2448 	*                       = 1 : DDR-PLL shut down enabled
2449 	*                Bit[2] = 0 : DDR-PLL power down disabled
2450 	*                       = 1 : DDR-PLL power down enabled
2451 	*/
2452 	info->system_config = le32_to_cpu(info_v11->system_config);
2453 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
2454 	info->memory_type = info_v11->memorytype;
2455 	info->ma_channel_number = info_v11->umachannelnumber;
2456 	info->lvds_ss_percentage =
2457 	le16_to_cpu(info_v11->lvds_ss_percentage);
2458 	info->dp_ss_control =
2459 	le16_to_cpu(info_v11->reserved1);
2460 	info->lvds_sspread_rate_in_10hz =
2461 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
2462 	info->hdmi_ss_percentage =
2463 	le16_to_cpu(info_v11->hdmi_ss_percentage);
2464 	info->hdmi_sspread_rate_in_10hz =
2465 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
2466 	info->dvi_ss_percentage =
2467 	le16_to_cpu(info_v11->dvi_ss_percentage);
2468 	info->dvi_sspread_rate_in_10_hz =
2469 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
2470 	info->lvds_misc = info_v11->lvds_misc;
2471 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2472 		info->ext_disp_conn_info.gu_id[i] =
2473 				info_v11->extdispconninfo.guid[i];
2474 	}
2475 
2476 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2477 		info->ext_disp_conn_info.path[i].device_connector_id =
2478 		object_id_from_bios_object_id(
2479 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
2480 
2481 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2482 		object_id_from_bios_object_id(
2483 			le16_to_cpu(
2484 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
2485 
2486 		info->ext_disp_conn_info.path[i].device_tag =
2487 			le16_to_cpu(
2488 				info_v11->extdispconninfo.path[i].device_tag);
2489 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2490 		le16_to_cpu(
2491 			info_v11->extdispconninfo.path[i].device_acpi_enum);
2492 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2493 			info_v11->extdispconninfo.path[i].auxddclut_index;
2494 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2495 			info_v11->extdispconninfo.path[i].hpdlut_index;
2496 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2497 			info_v11->extdispconninfo.path[i].channelmapping;
2498 		info->ext_disp_conn_info.path[i].caps =
2499 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
2500 	}
2501 	info->ext_disp_conn_info.checksum =
2502 	info_v11->extdispconninfo.checksum;
2503 
2504 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
2505 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
2506 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2507 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2508 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2509 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2510 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2511 	}
2512 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
2513 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2514 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2515 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2516 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2517 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2518 	}
2519 
2520 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
2521 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
2522 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2523 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2524 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2525 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2526 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2527 	}
2528 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
2529 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2530 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2531 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2532 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2533 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2534 	}
2535 
2536 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
2537 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
2538 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2539 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2540 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2541 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2542 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2543 	}
2544 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
2545 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2546 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2547 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2548 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2549 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2550 	}
2551 
2552 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
2553 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
2554 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2555 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2556 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2557 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2558 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2559 	}
2560 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
2561 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2562 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2563 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2564 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2565 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2566 	}
2567 
2568 
2569 	/** TODO - review **/
2570 	#if 0
2571 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
2572 									* 10;
2573 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
2574 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
2575 
2576 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2577 		/* Convert [10KHz] into [KHz] */
2578 		info->disp_clk_voltage[i].max_supported_clk =
2579 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
2580 			ulMaximumSupportedCLK) * 10;
2581 		info->disp_clk_voltage[i].voltage_index =
2582 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
2583 	}
2584 
2585 	info->boot_up_req_display_vector =
2586 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
2587 	info->boot_up_nb_voltage =
2588 			le16_to_cpu(info_v11->usBootUpNBVoltage);
2589 	info->ext_disp_conn_info_offset =
2590 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
2591 	info->gmc_restore_reset_time =
2592 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
2593 	info->minimum_n_clk =
2594 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
2595 	for (i = 1; i < 4; ++i)
2596 		info->minimum_n_clk =
2597 				info->minimum_n_clk <
2598 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
2599 				info->minimum_n_clk : le32_to_cpu(
2600 					info_v11->ulNbpStateNClkFreq[i]);
2601 
2602 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
2603 	info->ddr_dll_power_up_time =
2604 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
2605 	info->ddr_pll_power_up_time =
2606 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
2607 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
2608 	info->max_lvds_pclk_freq_in_single_link =
2609 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2610 	info->max_lvds_pclk_freq_in_single_link =
2611 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2612 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
2613 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
2614 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
2615 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
2616 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
2617 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
2618 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
2619 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
2620 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
2621 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
2622 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
2623 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
2624 	info->lvds_off_to_on_delay_in_4ms =
2625 		info_v11->ucLVDSOffToOnDelay_in4Ms;
2626 	info->lvds_bit_depth_control_val =
2627 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
2628 
2629 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
2630 		/* Convert [10KHz] into [KHz] */
2631 		info->avail_s_clk[i].supported_s_clk =
2632 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
2633 									* 10;
2634 		info->avail_s_clk[i].voltage_index =
2635 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
2636 		info->avail_s_clk[i].voltage_id =
2637 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
2638 	}
2639 	#endif /* TODO*/
2640 
2641 	return BP_RESULT_OK;
2642 }
2643 
2644 static enum bp_result get_integrated_info_v2_1(
2645 	struct bios_parser *bp,
2646 	struct integrated_info *info)
2647 {
2648 	struct atom_integrated_system_info_v2_1 *info_v2_1;
2649 	uint32_t i;
2650 
2651 	info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
2652 					DATA_TABLES(integratedsysteminfo));
2653 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_1->gpuclk_ss_percentage);
2654 
2655 	if (info_v2_1 == NULL)
2656 		return BP_RESULT_BADBIOSTABLE;
2657 
2658 	info->gpu_cap_info =
2659 	le32_to_cpu(info_v2_1->gpucapinfo);
2660 	/*
2661 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2662 	*                       = 1 : PCIE power gating enabled
2663 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2664 	*                       = 1 : DDR-PLL shut down enabled
2665 	*                Bit[2] = 0 : DDR-PLL power down disabled
2666 	*                       = 1 : DDR-PLL power down enabled
2667 	*/
2668 	info->system_config = le32_to_cpu(info_v2_1->system_config);
2669 	info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
2670 	info->memory_type = info_v2_1->memorytype;
2671 	info->ma_channel_number = info_v2_1->umachannelnumber;
2672 	info->dp_ss_control =
2673 		le16_to_cpu(info_v2_1->reserved1);
2674 
2675 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2676 		info->ext_disp_conn_info.gu_id[i] =
2677 				info_v2_1->extdispconninfo.guid[i];
2678 	}
2679 
2680 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2681 		info->ext_disp_conn_info.path[i].device_connector_id =
2682 		object_id_from_bios_object_id(
2683 		le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
2684 
2685 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2686 		object_id_from_bios_object_id(
2687 			le16_to_cpu(
2688 			info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
2689 
2690 		info->ext_disp_conn_info.path[i].device_tag =
2691 			le16_to_cpu(
2692 				info_v2_1->extdispconninfo.path[i].device_tag);
2693 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2694 		le16_to_cpu(
2695 			info_v2_1->extdispconninfo.path[i].device_acpi_enum);
2696 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2697 			info_v2_1->extdispconninfo.path[i].auxddclut_index;
2698 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2699 			info_v2_1->extdispconninfo.path[i].hpdlut_index;
2700 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2701 			info_v2_1->extdispconninfo.path[i].channelmapping;
2702 		info->ext_disp_conn_info.path[i].caps =
2703 				le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
2704 	}
2705 
2706 	info->ext_disp_conn_info.checksum =
2707 		info_v2_1->extdispconninfo.checksum;
2708 	info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
2709 	info->dp0_ext_hdmi_reg_num = info_v2_1->dp0_retimer_set.HdmiRegNum;
2710 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2711 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2712 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2713 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2714 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2715 	}
2716 	info->dp0_ext_hdmi_6g_reg_num = info_v2_1->dp0_retimer_set.Hdmi6GRegNum;
2717 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2718 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2719 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2720 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2721 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2722 	}
2723 	info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
2724 	info->dp1_ext_hdmi_reg_num = info_v2_1->dp1_retimer_set.HdmiRegNum;
2725 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2726 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2727 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2728 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2729 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2730 	}
2731 	info->dp1_ext_hdmi_6g_reg_num = info_v2_1->dp1_retimer_set.Hdmi6GRegNum;
2732 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2733 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2734 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2735 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2736 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2737 	}
2738 	info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
2739 	info->dp2_ext_hdmi_reg_num = info_v2_1->dp2_retimer_set.HdmiRegNum;
2740 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2741 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2742 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2743 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2744 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2745 	}
2746 	info->dp2_ext_hdmi_6g_reg_num = info_v2_1->dp2_retimer_set.Hdmi6GRegNum;
2747 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2748 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2749 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2750 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2751 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2752 	}
2753 	info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
2754 	info->dp3_ext_hdmi_reg_num = info_v2_1->dp3_retimer_set.HdmiRegNum;
2755 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2756 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2757 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2758 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2759 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2760 	}
2761 	info->dp3_ext_hdmi_6g_reg_num = info_v2_1->dp3_retimer_set.Hdmi6GRegNum;
2762 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2763 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2764 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2765 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2766 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2767 	}
2768 
2769 	info->edp1_info.edp_backlight_pwm_hz =
2770 	le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
2771 	info->edp1_info.edp_ss_percentage =
2772 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
2773 	info->edp1_info.edp_ss_rate_10hz =
2774 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
2775 	info->edp1_info.edp_pwr_on_off_delay =
2776 		info_v2_1->edp1_info.edp_pwr_on_off_delay;
2777 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2778 		info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
2779 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2780 		info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2781 	info->edp1_info.edp_panel_bpc =
2782 		info_v2_1->edp1_info.edp_panel_bpc;
2783 	info->edp1_info.edp_bootup_bl_level = info_v2_1->edp1_info.edp_bootup_bl_level;
2784 
2785 	info->edp2_info.edp_backlight_pwm_hz =
2786 	le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
2787 	info->edp2_info.edp_ss_percentage =
2788 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
2789 	info->edp2_info.edp_ss_rate_10hz =
2790 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
2791 	info->edp2_info.edp_pwr_on_off_delay =
2792 		info_v2_1->edp2_info.edp_pwr_on_off_delay;
2793 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2794 		info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
2795 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2796 		info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2797 	info->edp2_info.edp_panel_bpc =
2798 		info_v2_1->edp2_info.edp_panel_bpc;
2799 	info->edp2_info.edp_bootup_bl_level =
2800 		info_v2_1->edp2_info.edp_bootup_bl_level;
2801 
2802 	return BP_RESULT_OK;
2803 }
2804 
2805 static enum bp_result get_integrated_info_v2_2(
2806 	struct bios_parser *bp,
2807 	struct integrated_info *info)
2808 {
2809 	struct atom_integrated_system_info_v2_2 *info_v2_2;
2810 	uint32_t i;
2811 
2812 	info_v2_2 = GET_IMAGE(struct atom_integrated_system_info_v2_2,
2813 					DATA_TABLES(integratedsysteminfo));
2814 
2815 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_2->gpuclk_ss_percentage);
2816 
2817 	if (info_v2_2 == NULL)
2818 		return BP_RESULT_BADBIOSTABLE;
2819 
2820 	info->gpu_cap_info =
2821 	le32_to_cpu(info_v2_2->gpucapinfo);
2822 	/*
2823 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2824 	*                       = 1 : PCIE power gating enabled
2825 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2826 	*                       = 1 : DDR-PLL shut down enabled
2827 	*                Bit[2] = 0 : DDR-PLL power down disabled
2828 	*                       = 1 : DDR-PLL power down enabled
2829 	*/
2830 	info->system_config = le32_to_cpu(info_v2_2->system_config);
2831 	info->cpu_cap_info = le32_to_cpu(info_v2_2->cpucapinfo);
2832 	info->memory_type = info_v2_2->memorytype;
2833 	info->ma_channel_number = info_v2_2->umachannelnumber;
2834 	info->dp_ss_control =
2835 		le16_to_cpu(info_v2_2->reserved1);
2836 
2837 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2838 		info->ext_disp_conn_info.gu_id[i] =
2839 				info_v2_2->extdispconninfo.guid[i];
2840 	}
2841 
2842 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2843 		info->ext_disp_conn_info.path[i].device_connector_id =
2844 		object_id_from_bios_object_id(
2845 		le16_to_cpu(info_v2_2->extdispconninfo.path[i].connectorobjid));
2846 
2847 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2848 		object_id_from_bios_object_id(
2849 			le16_to_cpu(
2850 			info_v2_2->extdispconninfo.path[i].ext_encoder_objid));
2851 
2852 		info->ext_disp_conn_info.path[i].device_tag =
2853 			le16_to_cpu(
2854 				info_v2_2->extdispconninfo.path[i].device_tag);
2855 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2856 		le16_to_cpu(
2857 			info_v2_2->extdispconninfo.path[i].device_acpi_enum);
2858 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2859 			info_v2_2->extdispconninfo.path[i].auxddclut_index;
2860 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2861 			info_v2_2->extdispconninfo.path[i].hpdlut_index;
2862 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2863 			info_v2_2->extdispconninfo.path[i].channelmapping;
2864 		info->ext_disp_conn_info.path[i].caps =
2865 				le16_to_cpu(info_v2_2->extdispconninfo.path[i].caps);
2866 	}
2867 
2868 	info->ext_disp_conn_info.checksum =
2869 		info_v2_2->extdispconninfo.checksum;
2870 	info->ext_disp_conn_info.fixdpvoltageswing =
2871 		info_v2_2->extdispconninfo.fixdpvoltageswing;
2872 
2873 	info->edp1_info.edp_backlight_pwm_hz =
2874 	le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz);
2875 	info->edp1_info.edp_ss_percentage =
2876 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_percentage);
2877 	info->edp1_info.edp_ss_rate_10hz =
2878 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_rate_10hz);
2879 	info->edp1_info.edp_pwr_on_off_delay =
2880 		info_v2_2->edp1_info.edp_pwr_on_off_delay;
2881 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2882 		info_v2_2->edp1_info.edp_pwr_on_vary_bl_to_blon;
2883 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2884 		info_v2_2->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2885 	info->edp1_info.edp_panel_bpc =
2886 		info_v2_2->edp1_info.edp_panel_bpc;
2887 	info->edp1_info.edp_bootup_bl_level =
2888 
2889 	info->edp2_info.edp_backlight_pwm_hz =
2890 	le16_to_cpu(info_v2_2->edp2_info.edp_backlight_pwm_hz);
2891 	info->edp2_info.edp_ss_percentage =
2892 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_percentage);
2893 	info->edp2_info.edp_ss_rate_10hz =
2894 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_rate_10hz);
2895 	info->edp2_info.edp_pwr_on_off_delay =
2896 		info_v2_2->edp2_info.edp_pwr_on_off_delay;
2897 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2898 		info_v2_2->edp2_info.edp_pwr_on_vary_bl_to_blon;
2899 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2900 		info_v2_2->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2901 	info->edp2_info.edp_panel_bpc =
2902 		info_v2_2->edp2_info.edp_panel_bpc;
2903 	info->edp2_info.edp_bootup_bl_level =
2904 		info_v2_2->edp2_info.edp_bootup_bl_level;
2905 
2906 	return BP_RESULT_OK;
2907 }
2908 
2909 /*
2910  * construct_integrated_info
2911  *
2912  * @brief
2913  * Get integrated BIOS information based on table revision
2914  *
2915  * @param
2916  * bios_parser *bp - [in]BIOS parser handler to get master data table
2917  * integrated_info *info - [out] store and output integrated info
2918  *
2919  * @return
2920  * static enum bp_result - BP_RESULT_OK if information is available,
2921  *                  BP_RESULT_BADBIOSTABLE otherwise.
2922  */
2923 static enum bp_result construct_integrated_info(
2924 	struct bios_parser *bp,
2925 	struct integrated_info *info)
2926 {
2927 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
2928 
2929 	struct atom_common_table_header *header;
2930 	struct atom_data_revision revision;
2931 
2932 	uint32_t i;
2933 	uint32_t j;
2934 
2935 	if (info && DATA_TABLES(integratedsysteminfo)) {
2936 		header = GET_IMAGE(struct atom_common_table_header,
2937 					DATA_TABLES(integratedsysteminfo));
2938 
2939 		get_atom_data_table_revision(header, &revision);
2940 
2941 		switch (revision.major) {
2942 		case 1:
2943 			switch (revision.minor) {
2944 			case 11:
2945 			case 12:
2946 				result = get_integrated_info_v11(bp, info);
2947 				break;
2948 			default:
2949 				return result;
2950 			}
2951 			break;
2952 		case 2:
2953 			switch (revision.minor) {
2954 			case 1:
2955 				result = get_integrated_info_v2_1(bp, info);
2956 				break;
2957 			case 2:
2958 				result = get_integrated_info_v2_2(bp, info);
2959 				break;
2960 			default:
2961 				return result;
2962 			}
2963 			break;
2964 		default:
2965 			return result;
2966 		}
2967 		if (result == BP_RESULT_OK) {
2968 
2969 			DC_LOG_BIOS("edp1:\n"
2970 						"\tedp_pwr_on_off_delay = %d\n"
2971 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2972 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2973 						"\tedp_bootup_bl_level = %d\n",
2974 						info->edp1_info.edp_pwr_on_off_delay,
2975 						info->edp1_info.edp_pwr_on_vary_bl_to_blon,
2976 						info->edp1_info.edp_pwr_down_bloff_to_vary_bloff,
2977 						info->edp1_info.edp_bootup_bl_level);
2978 			DC_LOG_BIOS("edp2:\n"
2979 						"\tedp_pwr_on_off_delayv = %d\n"
2980 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2981 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2982 						"\tedp_bootup_bl_level = %d\n",
2983 						info->edp2_info.edp_pwr_on_off_delay,
2984 						info->edp2_info.edp_pwr_on_vary_bl_to_blon,
2985 						info->edp2_info.edp_pwr_down_bloff_to_vary_bloff,
2986 						info->edp2_info.edp_bootup_bl_level);
2987 		}
2988 	}
2989 
2990 	if (result != BP_RESULT_OK)
2991 		return result;
2992 	else {
2993 		// Log each external path
2994 		for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
2995 			if (info->ext_disp_conn_info.path[i].device_tag != 0)
2996 				DC_LOG_BIOS("integrated_info:For EXTERNAL DISPLAY PATH %d --------------\n"
2997 						"DEVICE_TAG: 0x%x\n"
2998 						"DEVICE_ACPI_ENUM: 0x%x\n"
2999 						"DEVICE_CONNECTOR_ID: 0x%x\n"
3000 						"EXT_AUX_DDC_LUT_INDEX: %d\n"
3001 						"EXT_HPD_PIN_LUT_INDEX: %d\n"
3002 						"EXT_ENCODER_OBJ_ID: 0x%x\n"
3003 						"Encoder CAPS: 0x%x\n",
3004 						i,
3005 						info->ext_disp_conn_info.path[i].device_tag,
3006 						info->ext_disp_conn_info.path[i].device_acpi_enum,
3007 						info->ext_disp_conn_info.path[i].device_connector_id.id,
3008 						info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index,
3009 						info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index,
3010 						info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id,
3011 						info->ext_disp_conn_info.path[i].caps
3012 						);
3013 			if (info->ext_disp_conn_info.path[i].caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)
3014 				DC_LOG_BIOS("BIOS EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3015 			else if (bp->base.ctx->dc->config.force_bios_fixed_vs) {
3016 				info->ext_disp_conn_info.path[i].caps |= EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN;
3017 				DC_LOG_BIOS("driver forced EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3018 			}
3019 		}
3020 		// Log the Checksum and Voltage Swing
3021 		DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n"
3022 					"Integrated info table FIX_DP_VOLTAGE_SWING: %d\n",
3023 					info->ext_disp_conn_info.checksum,
3024 					info->ext_disp_conn_info.fixdpvoltageswing);
3025 		if (bp->base.ctx->dc->config.force_bios_fixed_vs && info->ext_disp_conn_info.fixdpvoltageswing == 0) {
3026 			info->ext_disp_conn_info.fixdpvoltageswing = bp->base.ctx->dc->config.force_bios_fixed_vs & 0xF;
3027 			DC_LOG_BIOS("driver forced fixdpvoltageswing = %d\n", info->ext_disp_conn_info.fixdpvoltageswing);
3028 		}
3029 	}
3030 	/* Sort voltage table from low to high*/
3031 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
3032 		for (j = i; j > 0; --j) {
3033 			if (info->disp_clk_voltage[j].max_supported_clk <
3034 			    info->disp_clk_voltage[j-1].max_supported_clk)
3035 				swap(info->disp_clk_voltage[j-1], info->disp_clk_voltage[j]);
3036 		}
3037 	}
3038 
3039 	return result;
3040 }
3041 
3042 static enum bp_result bios_parser_get_vram_info(
3043 		struct dc_bios *dcb,
3044 		struct dc_vram_info *info)
3045 {
3046 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3047 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
3048 	struct atom_common_table_header *header;
3049 	struct atom_data_revision revision;
3050 
3051 	if (info && DATA_TABLES(vram_info)) {
3052 		header = GET_IMAGE(struct atom_common_table_header,
3053 					DATA_TABLES(vram_info));
3054 
3055 		get_atom_data_table_revision(header, &revision);
3056 
3057 		switch (revision.major) {
3058 		case 2:
3059 			switch (revision.minor) {
3060 			case 3:
3061 				result = get_vram_info_v23(bp, info);
3062 				break;
3063 			case 4:
3064 				result = get_vram_info_v24(bp, info);
3065 				break;
3066 			case 5:
3067 				result = get_vram_info_v25(bp, info);
3068 				break;
3069 			default:
3070 				break;
3071 			}
3072 			break;
3073 
3074 		case 3:
3075 			switch (revision.minor) {
3076 			case 0:
3077 				result = get_vram_info_v30(bp, info);
3078 				break;
3079 			default:
3080 				break;
3081 			}
3082 			break;
3083 
3084 		default:
3085 			return result;
3086 		}
3087 
3088 	}
3089 	return result;
3090 }
3091 
3092 static struct integrated_info *bios_parser_create_integrated_info(
3093 	struct dc_bios *dcb)
3094 {
3095 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3096 	struct integrated_info *info = NULL;
3097 
3098 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
3099 
3100 	if (info == NULL) {
3101 		ASSERT_CRITICAL(0);
3102 		return NULL;
3103 	}
3104 
3105 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
3106 		return info;
3107 
3108 	kfree(info);
3109 
3110 	return NULL;
3111 }
3112 
3113 static enum bp_result update_slot_layout_info(
3114 	struct dc_bios *dcb,
3115 	unsigned int i,
3116 	struct slot_layout_info *slot_layout_info)
3117 {
3118 	unsigned int record_offset;
3119 	unsigned int j;
3120 	struct atom_display_object_path_v2 *object;
3121 	struct atom_bracket_layout_record *record;
3122 	struct atom_common_record_header *record_header;
3123 	static enum bp_result result;
3124 	struct bios_parser *bp;
3125 	struct object_info_table *tbl;
3126 	struct display_object_info_table_v1_4 *v1_4;
3127 
3128 	record = NULL;
3129 	record_header = NULL;
3130 	result = BP_RESULT_NORECORD;
3131 
3132 	bp = BP_FROM_DCB(dcb);
3133 	tbl = &bp->object_info_tbl;
3134 	v1_4 = tbl->v1_4;
3135 
3136 	object = &v1_4->display_path[i];
3137 	record_offset = (unsigned int)
3138 		(object->disp_recordoffset) +
3139 		(unsigned int)(bp->object_info_tbl_offset);
3140 
3141 	for (;;) {
3142 
3143 		record_header = (struct atom_common_record_header *)
3144 			GET_IMAGE(struct atom_common_record_header,
3145 			record_offset);
3146 		if (record_header == NULL) {
3147 			result = BP_RESULT_BADBIOSTABLE;
3148 			break;
3149 		}
3150 
3151 		/* the end of the list */
3152 		if (record_header->record_type == 0xff ||
3153 			record_header->record_size == 0)	{
3154 			break;
3155 		}
3156 
3157 		if (record_header->record_type ==
3158 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
3159 			sizeof(struct atom_bracket_layout_record)
3160 			<= record_header->record_size) {
3161 			record = (struct atom_bracket_layout_record *)
3162 				(record_header);
3163 			result = BP_RESULT_OK;
3164 			break;
3165 		}
3166 
3167 		record_offset += record_header->record_size;
3168 	}
3169 
3170 	/* return if the record not found */
3171 	if (result != BP_RESULT_OK)
3172 		return result;
3173 
3174 	/* get slot sizes */
3175 	slot_layout_info->length = record->bracketlen;
3176 	slot_layout_info->width = record->bracketwidth;
3177 
3178 	/* get info for each connector in the slot */
3179 	slot_layout_info->num_of_connectors = record->conn_num;
3180 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
3181 		slot_layout_info->connectors[j].connector_type =
3182 			(enum connector_layout_type)
3183 			(record->conn_info[j].connector_type);
3184 		switch (record->conn_info[j].connector_type) {
3185 		case CONNECTOR_TYPE_DVI_D:
3186 			slot_layout_info->connectors[j].connector_type =
3187 				CONNECTOR_LAYOUT_TYPE_DVI_D;
3188 			slot_layout_info->connectors[j].length =
3189 				CONNECTOR_SIZE_DVI;
3190 			break;
3191 
3192 		case CONNECTOR_TYPE_HDMI:
3193 			slot_layout_info->connectors[j].connector_type =
3194 				CONNECTOR_LAYOUT_TYPE_HDMI;
3195 			slot_layout_info->connectors[j].length =
3196 				CONNECTOR_SIZE_HDMI;
3197 			break;
3198 
3199 		case CONNECTOR_TYPE_DISPLAY_PORT:
3200 			slot_layout_info->connectors[j].connector_type =
3201 				CONNECTOR_LAYOUT_TYPE_DP;
3202 			slot_layout_info->connectors[j].length =
3203 				CONNECTOR_SIZE_DP;
3204 			break;
3205 
3206 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
3207 			slot_layout_info->connectors[j].connector_type =
3208 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
3209 			slot_layout_info->connectors[j].length =
3210 				CONNECTOR_SIZE_MINI_DP;
3211 			break;
3212 
3213 		default:
3214 			slot_layout_info->connectors[j].connector_type =
3215 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3216 			slot_layout_info->connectors[j].length =
3217 				CONNECTOR_SIZE_UNKNOWN;
3218 		}
3219 
3220 		slot_layout_info->connectors[j].position =
3221 			record->conn_info[j].position;
3222 		slot_layout_info->connectors[j].connector_id =
3223 			object_id_from_bios_object_id(
3224 				record->conn_info[j].connectorobjid);
3225 	}
3226 	return result;
3227 }
3228 
3229 static enum bp_result update_slot_layout_info_v2(
3230 	struct dc_bios *dcb,
3231 	unsigned int i,
3232 	struct slot_layout_info *slot_layout_info)
3233 {
3234 	unsigned int record_offset;
3235 	struct atom_display_object_path_v3 *object;
3236 	struct atom_bracket_layout_record_v2 *record;
3237 	struct atom_common_record_header *record_header;
3238 	static enum bp_result result;
3239 	struct bios_parser *bp;
3240 	struct object_info_table *tbl;
3241 	struct display_object_info_table_v1_5 *v1_5;
3242 	struct graphics_object_id connector_id;
3243 
3244 	record = NULL;
3245 	record_header = NULL;
3246 	result = BP_RESULT_NORECORD;
3247 
3248 	bp = BP_FROM_DCB(dcb);
3249 	tbl = &bp->object_info_tbl;
3250 	v1_5 = tbl->v1_5;
3251 
3252 	object = &v1_5->display_path[i];
3253 	record_offset = (unsigned int)
3254 		(object->disp_recordoffset) +
3255 		(unsigned int)(bp->object_info_tbl_offset);
3256 
3257 	for (;;) {
3258 
3259 		record_header = (struct atom_common_record_header *)
3260 			GET_IMAGE(struct atom_common_record_header,
3261 			record_offset);
3262 		if (record_header == NULL) {
3263 			result = BP_RESULT_BADBIOSTABLE;
3264 			break;
3265 		}
3266 
3267 		/* the end of the list */
3268 		if (record_header->record_type == ATOM_RECORD_END_TYPE ||
3269 			record_header->record_size == 0)	{
3270 			break;
3271 		}
3272 
3273 		if (record_header->record_type ==
3274 			ATOM_BRACKET_LAYOUT_V2_RECORD_TYPE &&
3275 			sizeof(struct atom_bracket_layout_record_v2)
3276 			<= record_header->record_size) {
3277 			record = (struct atom_bracket_layout_record_v2 *)
3278 				(record_header);
3279 			result = BP_RESULT_OK;
3280 			break;
3281 		}
3282 
3283 		record_offset += record_header->record_size;
3284 	}
3285 
3286 	/* return if the record not found */
3287 	if (result != BP_RESULT_OK)
3288 		return result;
3289 
3290 	/* get slot sizes */
3291 	connector_id = object_id_from_bios_object_id(object->display_objid);
3292 
3293 	slot_layout_info->length = record->bracketlen;
3294 	slot_layout_info->width = record->bracketwidth;
3295 	slot_layout_info->num_of_connectors = v1_5->number_of_path;
3296 	slot_layout_info->connectors[i].position = record->conn_num;
3297 	slot_layout_info->connectors[i].connector_id = connector_id;
3298 
3299 	switch (connector_id.id) {
3300 	case CONNECTOR_ID_SINGLE_LINK_DVID:
3301 	case CONNECTOR_ID_DUAL_LINK_DVID:
3302 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DVI_D;
3303 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DVI;
3304 		break;
3305 
3306 	case CONNECTOR_ID_HDMI_TYPE_A:
3307 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_HDMI;
3308 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_HDMI;
3309 		break;
3310 
3311 	case CONNECTOR_ID_DISPLAY_PORT:
3312 	case CONNECTOR_ID_USBC:
3313 		if (record->mini_type == MINI_TYPE_NORMAL) {
3314 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DP;
3315 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DP;
3316 		} else {
3317 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_MINI_DP;
3318 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_MINI_DP;
3319 		}
3320 		break;
3321 
3322 	default:
3323 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3324 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_UNKNOWN;
3325 	}
3326 	return result;
3327 }
3328 
3329 static enum bp_result get_bracket_layout_record(
3330 	struct dc_bios *dcb,
3331 	unsigned int bracket_layout_id,
3332 	struct slot_layout_info *slot_layout_info)
3333 {
3334 	unsigned int i;
3335 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3336 	static enum bp_result result;
3337 	struct object_info_table *tbl;
3338 	struct display_object_info_table_v1_4 *v1_4;
3339 	struct display_object_info_table_v1_5 *v1_5;
3340 
3341 	if (slot_layout_info == NULL) {
3342 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
3343 		return BP_RESULT_BADINPUT;
3344 	}
3345 	tbl = &bp->object_info_tbl;
3346 	v1_4 = tbl->v1_4;
3347 	v1_5 = tbl->v1_5;
3348 
3349 	result = BP_RESULT_NORECORD;
3350 	switch (bp->object_info_tbl.revision.minor) {
3351 		case 4:
3352 		default:
3353 			for (i = 0; i < v1_4->number_of_path; ++i)	{
3354 				if (bracket_layout_id ==
3355 					v1_4->display_path[i].display_objid) {
3356 					result = update_slot_layout_info(dcb, i, slot_layout_info);
3357 					break;
3358 				}
3359 			}
3360 		    break;
3361 		case 5:
3362 			for (i = 0; i < v1_5->number_of_path; ++i)
3363 				result = update_slot_layout_info_v2(dcb, i, slot_layout_info);
3364 			break;
3365 	}
3366 	return result;
3367 }
3368 
3369 static enum bp_result bios_get_board_layout_info(
3370 	struct dc_bios *dcb,
3371 	struct board_layout_info *board_layout_info)
3372 {
3373 	unsigned int i;
3374 
3375 	struct bios_parser *bp;
3376 
3377 	static enum bp_result record_result;
3378 	unsigned int max_slots;
3379 
3380 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
3381 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
3382 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
3383 		0, 0
3384 	};
3385 
3386 
3387 	bp = BP_FROM_DCB(dcb);
3388 
3389 	if (board_layout_info == NULL) {
3390 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
3391 		return BP_RESULT_BADINPUT;
3392 	}
3393 
3394 	board_layout_info->num_of_slots = 0;
3395 	max_slots = MAX_BOARD_SLOTS;
3396 
3397 	// Assume single slot on v1_5
3398 	if (bp->object_info_tbl.revision.minor == 5) {
3399 		max_slots = 1;
3400 	}
3401 
3402 	for (i = 0; i < max_slots; ++i) {
3403 		record_result = get_bracket_layout_record(dcb,
3404 			slot_index_to_vbios_id[i],
3405 			&board_layout_info->slots[i]);
3406 
3407 		if (record_result == BP_RESULT_NORECORD && i > 0)
3408 			break; /* no more slots present in bios */
3409 		else if (record_result != BP_RESULT_OK)
3410 			return record_result;  /* fail */
3411 
3412 		++board_layout_info->num_of_slots;
3413 	}
3414 
3415 	/* all data is valid */
3416 	board_layout_info->is_number_of_slots_valid = 1;
3417 	board_layout_info->is_slots_size_valid = 1;
3418 	board_layout_info->is_connector_offsets_valid = 1;
3419 	board_layout_info->is_connector_lengths_valid = 1;
3420 
3421 	return BP_RESULT_OK;
3422 }
3423 
3424 
3425 static uint16_t bios_parser_pack_data_tables(
3426 	struct dc_bios *dcb,
3427 	void *dst)
3428 {
3429 	// TODO: There is data bytes alignment issue, disable it for now.
3430 	return 0;
3431 }
3432 
3433 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
3434 		struct bios_parser *bp,
3435 		uint32_t rev_major,
3436 		uint32_t rev_minor,
3437 		uint16_t *dc_golden_table_ver)
3438 {
3439 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
3440 	uint32_t dc_golden_offset = 0;
3441 	*dc_golden_table_ver = 0;
3442 
3443 	if (!DATA_TABLES(dce_info))
3444 		return NULL;
3445 
3446 	/* ver.4.4 or higher */
3447 	switch (rev_major) {
3448 	case 4:
3449 		switch (rev_minor) {
3450 		case 4:
3451 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
3452 									DATA_TABLES(dce_info));
3453 			if (!disp_cntl_tbl_4_4)
3454 				return NULL;
3455 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
3456 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
3457 			break;
3458 		case 5:
3459 		default:
3460 			/* For atom_display_controller_info_v4_5 there is no need to get golden table from
3461 			 * dc_golden_table_offset as all these fields previously in golden table used for AUX
3462 			 * pre-charge settings are now available directly in atom_display_controller_info_v4_5.
3463 			 */
3464 			break;
3465 		}
3466 		break;
3467 	}
3468 
3469 	if (!dc_golden_offset)
3470 		return NULL;
3471 
3472 	if (*dc_golden_table_ver != 1)
3473 		return NULL;
3474 
3475 	return GET_IMAGE(struct atom_dc_golden_table_v1,
3476 			dc_golden_offset);
3477 }
3478 
3479 static enum bp_result bios_get_atom_dc_golden_table(
3480 	struct dc_bios *dcb)
3481 {
3482 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3483 	enum bp_result result = BP_RESULT_OK;
3484 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
3485 	struct atom_common_table_header *header;
3486 	struct atom_data_revision tbl_revision;
3487 	uint16_t dc_golden_table_ver = 0;
3488 
3489 	header = GET_IMAGE(struct atom_common_table_header,
3490 							DATA_TABLES(dce_info));
3491 	if (!header)
3492 		return BP_RESULT_UNSUPPORTED;
3493 
3494 	get_atom_data_table_revision(header, &tbl_revision);
3495 
3496 	atom_dc_golden_table = bios_get_golden_table(bp,
3497 			tbl_revision.major,
3498 			tbl_revision.minor,
3499 			&dc_golden_table_ver);
3500 
3501 	if (!atom_dc_golden_table)
3502 		return BP_RESULT_UNSUPPORTED;
3503 
3504 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
3505 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
3506 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
3507 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
3508 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
3509 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
3510 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
3511 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
3512 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
3513 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
3514 
3515 	return result;
3516 }
3517 
3518 
3519 static const struct dc_vbios_funcs vbios_funcs = {
3520 	.get_connectors_number = bios_parser_get_connectors_number,
3521 
3522 	.get_connector_id = bios_parser_get_connector_id,
3523 
3524 	.get_src_obj = bios_parser_get_src_obj,
3525 
3526 	.get_i2c_info = bios_parser_get_i2c_info,
3527 
3528 	.get_hpd_info = bios_parser_get_hpd_info,
3529 
3530 	.get_device_tag = bios_parser_get_device_tag,
3531 
3532 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
3533 
3534 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
3535 
3536 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
3537 
3538 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
3539 
3540 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
3541 
3542 	.is_device_id_supported = bios_parser_is_device_id_supported,
3543 
3544 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
3545 
3546 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
3547 
3548 
3549 /*	 COMMANDS */
3550 	.encoder_control = bios_parser_encoder_control,
3551 
3552 	.transmitter_control = bios_parser_transmitter_control,
3553 
3554 	.enable_crtc = bios_parser_enable_crtc,
3555 
3556 	.set_pixel_clock = bios_parser_set_pixel_clock,
3557 
3558 	.set_dce_clock = bios_parser_set_dce_clock,
3559 
3560 	.program_crtc_timing = bios_parser_program_crtc_timing,
3561 
3562 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
3563 
3564 	.bios_parser_destroy = firmware_parser_destroy,
3565 
3566 	.get_board_layout_info = bios_get_board_layout_info,
3567 	/* TODO: use this fn in hw init?*/
3568 	.pack_data_tables = bios_parser_pack_data_tables,
3569 
3570 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
3571 
3572 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
3573 
3574 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
3575 
3576 	.get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
3577 
3578 	.get_lttpr_caps = bios_parser_get_lttpr_caps,
3579 
3580 	.get_lttpr_interop = bios_parser_get_lttpr_interop,
3581 
3582 	.get_connector_speed_cap_info = bios_parser_get_connector_speed_cap_info,
3583 };
3584 
3585 static bool bios_parser2_construct(
3586 	struct bios_parser *bp,
3587 	struct bp_init_data *init,
3588 	enum dce_version dce_version)
3589 {
3590 	uint16_t *rom_header_offset = NULL;
3591 	struct atom_rom_header_v2_2 *rom_header = NULL;
3592 	struct display_object_info_table_v1_4 *object_info_tbl;
3593 	struct atom_data_revision tbl_rev = {0};
3594 
3595 	if (!init)
3596 		return false;
3597 
3598 	if (!init->bios)
3599 		return false;
3600 
3601 	bp->base.funcs = &vbios_funcs;
3602 	bp->base.bios = init->bios;
3603 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
3604 
3605 	bp->base.ctx = init->ctx;
3606 
3607 	bp->base.bios_local_image = NULL;
3608 
3609 	rom_header_offset =
3610 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
3611 
3612 	if (!rom_header_offset)
3613 		return false;
3614 
3615 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
3616 
3617 	if (!rom_header)
3618 		return false;
3619 
3620 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
3621 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
3622 		return false;
3623 
3624 	bp->master_data_tbl =
3625 		GET_IMAGE(struct atom_master_data_table_v2_1,
3626 				rom_header->masterdatatable_offset);
3627 
3628 	if (!bp->master_data_tbl)
3629 		return false;
3630 
3631 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
3632 
3633 	if (!bp->object_info_tbl_offset)
3634 		return false;
3635 
3636 	object_info_tbl =
3637 			GET_IMAGE(struct display_object_info_table_v1_4,
3638 						bp->object_info_tbl_offset);
3639 
3640 	if (!object_info_tbl)
3641 		return false;
3642 
3643 	get_atom_data_table_revision(&object_info_tbl->table_header,
3644 		&bp->object_info_tbl.revision);
3645 
3646 	if (bp->object_info_tbl.revision.major == 1
3647 		&& bp->object_info_tbl.revision.minor == 4) {
3648 		struct display_object_info_table_v1_4 *tbl_v1_4;
3649 
3650 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
3651 			bp->object_info_tbl_offset);
3652 		if (!tbl_v1_4)
3653 			return false;
3654 
3655 		bp->object_info_tbl.v1_4 = tbl_v1_4;
3656 	} else if (bp->object_info_tbl.revision.major == 1
3657 		&& bp->object_info_tbl.revision.minor == 5) {
3658 		struct display_object_info_table_v1_5 *tbl_v1_5;
3659 
3660 		tbl_v1_5 = GET_IMAGE(struct display_object_info_table_v1_5,
3661 			bp->object_info_tbl_offset);
3662 		if (!tbl_v1_5)
3663 			return false;
3664 
3665 		bp->object_info_tbl.v1_5 = tbl_v1_5;
3666 	} else {
3667 		ASSERT(0);
3668 		return false;
3669 	}
3670 
3671 	dal_firmware_parser_init_cmd_tbl(bp);
3672 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
3673 
3674 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
3675 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
3676 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
3677 
3678 	return true;
3679 }
3680 
3681 struct dc_bios *firmware_parser_create(
3682 	struct bp_init_data *init,
3683 	enum dce_version dce_version)
3684 {
3685 	struct bios_parser *bp = NULL;
3686 
3687 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
3688 	if (!bp)
3689 		return NULL;
3690 
3691 	if (bios_parser2_construct(bp, init, dce_version))
3692 		return &bp->base;
3693 
3694 	kfree(bp);
3695 	return NULL;
3696 }
3697 
3698 
3699