xref: /linux/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c (revision f9bff0e31881d03badf191d3b0005839391f5f2b)
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 = le16_to_cpu(pin->data_a_reg_index);
519 	info->gpio_info.clk_a_shift = pin->gpio_bitshift;
520 
521 	return BP_RESULT_OK;
522 }
523 
524 static struct atom_hpd_int_record *get_hpd_record_for_path_v3(
525 	struct bios_parser *bp,
526 	struct atom_display_object_path_v3 *object)
527 {
528 	struct atom_common_record_header *header;
529 	uint32_t offset;
530 
531 	if (!object) {
532 		BREAK_TO_DEBUGGER(); /* Invalid object */
533 		return NULL;
534 	}
535 
536 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
537 
538 	for (;;) {
539 		header = GET_IMAGE(struct atom_common_record_header, offset);
540 
541 		if (!header)
542 			return NULL;
543 
544 		if (header->record_type == ATOM_RECORD_END_TYPE ||
545 			!header->record_size)
546 			break;
547 
548 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
549 			&& sizeof(struct atom_hpd_int_record) <=
550 							header->record_size)
551 			return (struct atom_hpd_int_record *) header;
552 
553 		offset += header->record_size;
554 	}
555 
556 	return NULL;
557 }
558 
559 static enum bp_result bios_parser_get_hpd_info(
560 	struct dc_bios *dcb,
561 	struct graphics_object_id id,
562 	struct graphics_object_hpd_info *info)
563 {
564 	struct bios_parser *bp = BP_FROM_DCB(dcb);
565 	struct atom_display_object_path_v2 *object;
566 	struct atom_display_object_path_v3 *object_path_v3;
567 	struct atom_hpd_int_record *record = NULL;
568 
569 	if (!info)
570 		return BP_RESULT_BADINPUT;
571 
572 	switch (bp->object_info_tbl.revision.minor) {
573 	    case 4:
574 	    default:
575 	        object = get_bios_object(bp, id);
576 
577 		if (!object)
578 			return BP_RESULT_BADINPUT;
579 
580 	        record = get_hpd_record(bp, object);
581 
582 	        break;
583 	    case 5:
584 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
585 
586 		if (!object_path_v3)
587 			return BP_RESULT_BADINPUT;
588 
589 		record = get_hpd_record_for_path_v3(bp, object_path_v3);
590 		break;
591 	}
592 
593 	if (record != NULL) {
594 		info->hpd_int_gpio_uid = record->pin_id;
595 		info->hpd_active = record->plugin_pin_state;
596 		return BP_RESULT_OK;
597 	}
598 
599 	return BP_RESULT_NORECORD;
600 }
601 
602 static struct atom_hpd_int_record *get_hpd_record(
603 	struct bios_parser *bp,
604 	struct atom_display_object_path_v2 *object)
605 {
606 	struct atom_common_record_header *header;
607 	uint32_t offset;
608 
609 	if (!object) {
610 		BREAK_TO_DEBUGGER(); /* Invalid object */
611 		return NULL;
612 	}
613 
614 	offset = le16_to_cpu(object->disp_recordoffset)
615 			+ bp->object_info_tbl_offset;
616 
617 	for (;;) {
618 		header = GET_IMAGE(struct atom_common_record_header, offset);
619 
620 		if (!header)
621 			return NULL;
622 
623 		if (header->record_type == LAST_RECORD_TYPE ||
624 			!header->record_size)
625 			break;
626 
627 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
628 			&& sizeof(struct atom_hpd_int_record) <=
629 							header->record_size)
630 			return (struct atom_hpd_int_record *) header;
631 
632 		offset += header->record_size;
633 	}
634 
635 	return NULL;
636 }
637 
638 /**
639  * bios_parser_get_gpio_pin_info
640  * Get GpioPin information of input gpio id
641  *
642  * @dcb:     pointer to the DC BIOS
643  * @gpio_id: GPIO ID
644  * @info:    GpioPin information structure
645  * return: Bios parser result code
646  * note:
647  *  to get the GPIO PIN INFO, we need:
648  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
649  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
650  *	to get the registerA  offset/mask
651  */
652 static enum bp_result bios_parser_get_gpio_pin_info(
653 	struct dc_bios *dcb,
654 	uint32_t gpio_id,
655 	struct gpio_pin_info *info)
656 {
657 	struct bios_parser *bp = BP_FROM_DCB(dcb);
658 	struct atom_gpio_pin_lut_v2_1 *header;
659 	uint32_t count = 0;
660 	uint32_t i = 0;
661 
662 	if (!DATA_TABLES(gpio_pin_lut))
663 		return BP_RESULT_BADBIOSTABLE;
664 
665 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
666 						DATA_TABLES(gpio_pin_lut));
667 	if (!header)
668 		return BP_RESULT_BADBIOSTABLE;
669 
670 	if (sizeof(struct atom_common_table_header) +
671 			sizeof(struct atom_gpio_pin_assignment)
672 			> le16_to_cpu(header->table_header.structuresize))
673 		return BP_RESULT_BADBIOSTABLE;
674 
675 	if (header->table_header.content_revision != 1)
676 		return BP_RESULT_UNSUPPORTED;
677 
678 	/* Temporary hard code gpio pin info */
679 	count = (le16_to_cpu(header->table_header.structuresize)
680 			- sizeof(struct atom_common_table_header))
681 				/ sizeof(struct atom_gpio_pin_assignment);
682 	for (i = 0; i < count; ++i) {
683 		if (header->gpio_pin[i].gpio_id != gpio_id)
684 			continue;
685 
686 		info->offset =
687 			(uint32_t) le16_to_cpu(
688 					header->gpio_pin[i].data_a_reg_index);
689 		info->offset_y = info->offset + 2;
690 		info->offset_en = info->offset + 1;
691 		info->offset_mask = info->offset - 1;
692 
693 		info->mask = (uint32_t) (1 <<
694 			header->gpio_pin[i].gpio_bitshift);
695 		info->mask_y = info->mask + 2;
696 		info->mask_en = info->mask + 1;
697 		info->mask_mask = info->mask - 1;
698 
699 		return BP_RESULT_OK;
700 	}
701 
702 	return BP_RESULT_NORECORD;
703 }
704 
705 static struct device_id device_type_from_device_id(uint16_t device_id)
706 {
707 
708 	struct device_id result_device_id;
709 
710 	result_device_id.raw_device_tag = device_id;
711 
712 	switch (device_id) {
713 	case ATOM_DISPLAY_LCD1_SUPPORT:
714 		result_device_id.device_type = DEVICE_TYPE_LCD;
715 		result_device_id.enum_id = 1;
716 		break;
717 
718 	case ATOM_DISPLAY_LCD2_SUPPORT:
719 		result_device_id.device_type = DEVICE_TYPE_LCD;
720 		result_device_id.enum_id = 2;
721 		break;
722 
723 	case ATOM_DISPLAY_DFP1_SUPPORT:
724 		result_device_id.device_type = DEVICE_TYPE_DFP;
725 		result_device_id.enum_id = 1;
726 		break;
727 
728 	case ATOM_DISPLAY_DFP2_SUPPORT:
729 		result_device_id.device_type = DEVICE_TYPE_DFP;
730 		result_device_id.enum_id = 2;
731 		break;
732 
733 	case ATOM_DISPLAY_DFP3_SUPPORT:
734 		result_device_id.device_type = DEVICE_TYPE_DFP;
735 		result_device_id.enum_id = 3;
736 		break;
737 
738 	case ATOM_DISPLAY_DFP4_SUPPORT:
739 		result_device_id.device_type = DEVICE_TYPE_DFP;
740 		result_device_id.enum_id = 4;
741 		break;
742 
743 	case ATOM_DISPLAY_DFP5_SUPPORT:
744 		result_device_id.device_type = DEVICE_TYPE_DFP;
745 		result_device_id.enum_id = 5;
746 		break;
747 
748 	case ATOM_DISPLAY_DFP6_SUPPORT:
749 		result_device_id.device_type = DEVICE_TYPE_DFP;
750 		result_device_id.enum_id = 6;
751 		break;
752 
753 	default:
754 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
755 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
756 		result_device_id.enum_id = 0;
757 	}
758 	return result_device_id;
759 }
760 
761 static enum bp_result bios_parser_get_device_tag(
762 	struct dc_bios *dcb,
763 	struct graphics_object_id connector_object_id,
764 	uint32_t device_tag_index,
765 	struct connector_device_tag_info *info)
766 {
767 	struct bios_parser *bp = BP_FROM_DCB(dcb);
768 	struct atom_display_object_path_v2 *object;
769 
770 	struct atom_display_object_path_v3 *object_path_v3;
771 
772 
773 	if (!info)
774 		return BP_RESULT_BADINPUT;
775 
776 	switch (bp->object_info_tbl.revision.minor) {
777 	    case 4:
778 	    default:
779 	        /* getBiosObject will return MXM object */
780 	        object = get_bios_object(bp, connector_object_id);
781 
782 		if (!object) {
783 			BREAK_TO_DEBUGGER(); /* Invalid object id */
784 			return BP_RESULT_BADINPUT;
785 		}
786 
787 	        info->acpi_device = 0; /* BIOS no longer provides this */
788 	        info->dev_id = device_type_from_device_id(object->device_tag);
789 	        break;
790 	    case 5:
791 		object_path_v3 = get_bios_object_from_path_v3(bp, connector_object_id);
792 
793 		if (!object_path_v3) {
794 			BREAK_TO_DEBUGGER(); /* Invalid object id */
795 			return BP_RESULT_BADINPUT;
796 		}
797 		info->acpi_device = 0; /* BIOS no longer provides this */
798 		info->dev_id = device_type_from_device_id(object_path_v3->device_tag);
799 		break;
800 	}
801 
802 	return BP_RESULT_OK;
803 }
804 
805 static enum bp_result get_ss_info_v4_1(
806 	struct bios_parser *bp,
807 	uint32_t id,
808 	uint32_t index,
809 	struct spread_spectrum_info *ss_info)
810 {
811 	enum bp_result result = BP_RESULT_OK;
812 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
813 	struct atom_smu_info_v3_3 *smu_info = NULL;
814 
815 	if (!ss_info)
816 		return BP_RESULT_BADINPUT;
817 
818 	if (!DATA_TABLES(dce_info))
819 		return BP_RESULT_BADBIOSTABLE;
820 
821 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
822 							DATA_TABLES(dce_info));
823 	if (!disp_cntl_tbl)
824 		return BP_RESULT_BADBIOSTABLE;
825 
826 
827 	ss_info->type.STEP_AND_DELAY_INFO = false;
828 	ss_info->spread_percentage_divider = 1000;
829 	/* BIOS no longer uses target clock.  Always enable for now */
830 	ss_info->target_clock_range = 0xffffffff;
831 
832 	switch (id) {
833 	case AS_SIGNAL_TYPE_DVI:
834 		ss_info->spread_spectrum_percentage =
835 				disp_cntl_tbl->dvi_ss_percentage;
836 		ss_info->spread_spectrum_range =
837 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
838 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
839 			ss_info->type.CENTER_MODE = true;
840 
841 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
842 		break;
843 	case AS_SIGNAL_TYPE_HDMI:
844 		ss_info->spread_spectrum_percentage =
845 				disp_cntl_tbl->hdmi_ss_percentage;
846 		ss_info->spread_spectrum_range =
847 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
848 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
849 			ss_info->type.CENTER_MODE = true;
850 
851 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
852 		break;
853 	/* TODO LVDS not support anymore? */
854 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
855 		ss_info->spread_spectrum_percentage =
856 				disp_cntl_tbl->dp_ss_percentage;
857 		ss_info->spread_spectrum_range =
858 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
859 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
860 			ss_info->type.CENTER_MODE = true;
861 
862 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
863 		break;
864 	case AS_SIGNAL_TYPE_GPU_PLL:
865 		/* atom_firmware: DAL only get data from dce_info table.
866 		 * if data within smu_info is needed for DAL, VBIOS should
867 		 * copy it into dce_info
868 		 */
869 		result = BP_RESULT_UNSUPPORTED;
870 		break;
871 	case AS_SIGNAL_TYPE_XGMI:
872 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
873 				      DATA_TABLES(smu_info));
874 		if (!smu_info)
875 			return BP_RESULT_BADBIOSTABLE;
876 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
877 		ss_info->spread_spectrum_percentage =
878 				smu_info->waflclk_ss_percentage;
879 		ss_info->spread_spectrum_range =
880 				smu_info->gpuclk_ss_rate_10hz * 10;
881 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
882 			ss_info->type.CENTER_MODE = true;
883 
884 		DC_LOG_BIOS("AS_SIGNAL_TYPE_XGMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
885 		break;
886 	default:
887 		result = BP_RESULT_UNSUPPORTED;
888 	}
889 
890 	return result;
891 }
892 
893 static enum bp_result get_ss_info_v4_2(
894 	struct bios_parser *bp,
895 	uint32_t id,
896 	uint32_t index,
897 	struct spread_spectrum_info *ss_info)
898 {
899 	enum bp_result result = BP_RESULT_OK;
900 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
901 	struct atom_smu_info_v3_1 *smu_info = NULL;
902 
903 	if (!ss_info)
904 		return BP_RESULT_BADINPUT;
905 
906 	if (!DATA_TABLES(dce_info))
907 		return BP_RESULT_BADBIOSTABLE;
908 
909 	if (!DATA_TABLES(smu_info))
910 		return BP_RESULT_BADBIOSTABLE;
911 
912 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
913 							DATA_TABLES(dce_info));
914 	if (!disp_cntl_tbl)
915 		return BP_RESULT_BADBIOSTABLE;
916 
917 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
918 	if (!smu_info)
919 		return BP_RESULT_BADBIOSTABLE;
920 
921 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
922 	ss_info->type.STEP_AND_DELAY_INFO = false;
923 	ss_info->spread_percentage_divider = 1000;
924 	/* BIOS no longer uses target clock.  Always enable for now */
925 	ss_info->target_clock_range = 0xffffffff;
926 
927 	switch (id) {
928 	case AS_SIGNAL_TYPE_DVI:
929 		ss_info->spread_spectrum_percentage =
930 				disp_cntl_tbl->dvi_ss_percentage;
931 		ss_info->spread_spectrum_range =
932 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
933 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
934 			ss_info->type.CENTER_MODE = true;
935 
936 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
937 		break;
938 	case AS_SIGNAL_TYPE_HDMI:
939 		ss_info->spread_spectrum_percentage =
940 				disp_cntl_tbl->hdmi_ss_percentage;
941 		ss_info->spread_spectrum_range =
942 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
943 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
944 			ss_info->type.CENTER_MODE = true;
945 
946 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
947 		break;
948 	/* TODO LVDS not support anymore? */
949 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
950 		ss_info->spread_spectrum_percentage =
951 				smu_info->gpuclk_ss_percentage;
952 		ss_info->spread_spectrum_range =
953 				smu_info->gpuclk_ss_rate_10hz * 10;
954 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
955 			ss_info->type.CENTER_MODE = true;
956 
957 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
958 		break;
959 	case AS_SIGNAL_TYPE_GPU_PLL:
960 		/* atom_firmware: DAL only get data from dce_info table.
961 		 * if data within smu_info is needed for DAL, VBIOS should
962 		 * copy it into dce_info
963 		 */
964 		result = BP_RESULT_UNSUPPORTED;
965 		break;
966 	default:
967 		result = BP_RESULT_UNSUPPORTED;
968 	}
969 
970 	return result;
971 }
972 
973 static enum bp_result get_ss_info_v4_5(
974 	struct bios_parser *bp,
975 	uint32_t id,
976 	uint32_t index,
977 	struct spread_spectrum_info *ss_info)
978 {
979 	enum bp_result result = BP_RESULT_OK;
980 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
981 
982 	if (!ss_info)
983 		return BP_RESULT_BADINPUT;
984 
985 	if (!DATA_TABLES(dce_info))
986 		return BP_RESULT_BADBIOSTABLE;
987 
988 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
989 							DATA_TABLES(dce_info));
990 	if (!disp_cntl_tbl)
991 		return BP_RESULT_BADBIOSTABLE;
992 
993 	ss_info->type.STEP_AND_DELAY_INFO = false;
994 	ss_info->spread_percentage_divider = 1000;
995 	/* BIOS no longer uses target clock.  Always enable for now */
996 	ss_info->target_clock_range = 0xffffffff;
997 
998 	switch (id) {
999 	case AS_SIGNAL_TYPE_DVI:
1000 		ss_info->spread_spectrum_percentage =
1001 				disp_cntl_tbl->dvi_ss_percentage;
1002 		ss_info->spread_spectrum_range =
1003 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
1004 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1005 			ss_info->type.CENTER_MODE = true;
1006 
1007 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1008 		break;
1009 	case AS_SIGNAL_TYPE_HDMI:
1010 		ss_info->spread_spectrum_percentage =
1011 				disp_cntl_tbl->hdmi_ss_percentage;
1012 		ss_info->spread_spectrum_range =
1013 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
1014 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1015 			ss_info->type.CENTER_MODE = true;
1016 
1017 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1018 		break;
1019 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
1020 		ss_info->spread_spectrum_percentage =
1021 				disp_cntl_tbl->dp_ss_percentage;
1022 		ss_info->spread_spectrum_range =
1023 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
1024 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1025 			ss_info->type.CENTER_MODE = true;
1026 
1027 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1028 		break;
1029 	case AS_SIGNAL_TYPE_GPU_PLL:
1030 		/* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.
1031 		 * SMU Display PLL supposed to be without spread.
1032 		 * Better place for it would be in atom_display_controller_info_v4_5 table.
1033 		 */
1034 		result = BP_RESULT_UNSUPPORTED;
1035 		break;
1036 	default:
1037 		result = BP_RESULT_UNSUPPORTED;
1038 		break;
1039 	}
1040 
1041 	return result;
1042 }
1043 
1044 /**
1045  * bios_parser_get_spread_spectrum_info
1046  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
1047  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
1048  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
1049  * ver 3.1,
1050  * there is only one entry for each signal /ss id.  However, there is
1051  * no planning of supporting multiple spread Sprectum entry for EverGreen
1052  * @dcb:     pointer to the DC BIOS
1053  * @signal:  ASSignalType to be converted to info index
1054  * @index:   number of entries that match the converted info index
1055  * @ss_info: sprectrum information structure,
1056  * return: Bios parser result code
1057  */
1058 static enum bp_result bios_parser_get_spread_spectrum_info(
1059 	struct dc_bios *dcb,
1060 	enum as_signal_type signal,
1061 	uint32_t index,
1062 	struct spread_spectrum_info *ss_info)
1063 {
1064 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1065 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1066 	struct atom_common_table_header *header;
1067 	struct atom_data_revision tbl_revision;
1068 
1069 	if (!ss_info) /* check for bad input */
1070 		return BP_RESULT_BADINPUT;
1071 
1072 	if (!DATA_TABLES(dce_info))
1073 		return BP_RESULT_UNSUPPORTED;
1074 
1075 	header = GET_IMAGE(struct atom_common_table_header,
1076 						DATA_TABLES(dce_info));
1077 	get_atom_data_table_revision(header, &tbl_revision);
1078 
1079 	switch (tbl_revision.major) {
1080 	case 4:
1081 		switch (tbl_revision.minor) {
1082 		case 1:
1083 			return get_ss_info_v4_1(bp, signal, index, ss_info);
1084 		case 2:
1085 		case 3:
1086 		case 4:
1087 			return get_ss_info_v4_2(bp, signal, index, ss_info);
1088 		case 5:
1089 			return get_ss_info_v4_5(bp, signal, index, ss_info);
1090 
1091 		default:
1092 			ASSERT(0);
1093 			break;
1094 		}
1095 		break;
1096 	default:
1097 		break;
1098 	}
1099 	/* there can not be more then one entry for SS Info table */
1100 	return result;
1101 }
1102 
1103 static enum bp_result get_soc_bb_info_v4_4(
1104 	struct bios_parser *bp,
1105 	struct bp_soc_bb_info *soc_bb_info)
1106 {
1107 	enum bp_result result = BP_RESULT_OK;
1108 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1109 
1110 	if (!soc_bb_info)
1111 		return BP_RESULT_BADINPUT;
1112 
1113 	if (!DATA_TABLES(dce_info))
1114 		return BP_RESULT_BADBIOSTABLE;
1115 
1116 	if (!DATA_TABLES(smu_info))
1117 		return BP_RESULT_BADBIOSTABLE;
1118 
1119 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
1120 							DATA_TABLES(dce_info));
1121 	if (!disp_cntl_tbl)
1122 		return BP_RESULT_BADBIOSTABLE;
1123 
1124 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1125 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1126 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1127 
1128 	return result;
1129 }
1130 
1131 static enum bp_result get_soc_bb_info_v4_5(
1132 	struct bios_parser *bp,
1133 	struct bp_soc_bb_info *soc_bb_info)
1134 {
1135 	enum bp_result result = BP_RESULT_OK;
1136 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1137 
1138 	if (!soc_bb_info)
1139 		return BP_RESULT_BADINPUT;
1140 
1141 	if (!DATA_TABLES(dce_info))
1142 		return BP_RESULT_BADBIOSTABLE;
1143 
1144 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1145 							DATA_TABLES(dce_info));
1146 	if (!disp_cntl_tbl)
1147 		return BP_RESULT_BADBIOSTABLE;
1148 
1149 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1150 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1151 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1152 
1153 	return result;
1154 }
1155 
1156 static enum bp_result bios_parser_get_soc_bb_info(
1157 	struct dc_bios *dcb,
1158 	struct bp_soc_bb_info *soc_bb_info)
1159 {
1160 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1161 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1162 	struct atom_common_table_header *header;
1163 	struct atom_data_revision tbl_revision;
1164 
1165 	if (!soc_bb_info) /* check for bad input */
1166 		return BP_RESULT_BADINPUT;
1167 
1168 	if (!DATA_TABLES(dce_info))
1169 		return BP_RESULT_UNSUPPORTED;
1170 
1171 	header = GET_IMAGE(struct atom_common_table_header,
1172 						DATA_TABLES(dce_info));
1173 	get_atom_data_table_revision(header, &tbl_revision);
1174 
1175 	switch (tbl_revision.major) {
1176 	case 4:
1177 		switch (tbl_revision.minor) {
1178 		case 1:
1179 		case 2:
1180 		case 3:
1181 			break;
1182 		case 4:
1183 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
1184 			break;
1185 		case 5:
1186 			result = get_soc_bb_info_v4_5(bp, soc_bb_info);
1187 			break;
1188 		default:
1189 			break;
1190 		}
1191 		break;
1192 	default:
1193 		break;
1194 	}
1195 
1196 	return result;
1197 }
1198 
1199 static enum bp_result get_disp_caps_v4_1(
1200 	struct bios_parser *bp,
1201 	uint8_t *dce_caps)
1202 {
1203 	enum bp_result result = BP_RESULT_OK;
1204 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
1205 
1206 	if (!dce_caps)
1207 		return BP_RESULT_BADINPUT;
1208 
1209 	if (!DATA_TABLES(dce_info))
1210 		return BP_RESULT_BADBIOSTABLE;
1211 
1212 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_1,
1213 							DATA_TABLES(dce_info));
1214 
1215 	if (!disp_cntl_tbl)
1216 		return BP_RESULT_BADBIOSTABLE;
1217 
1218 	*dce_caps = disp_cntl_tbl->display_caps;
1219 
1220 	return result;
1221 }
1222 
1223 static enum bp_result get_disp_caps_v4_2(
1224 	struct bios_parser *bp,
1225 	uint8_t *dce_caps)
1226 {
1227 	enum bp_result result = BP_RESULT_OK;
1228 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
1229 
1230 	if (!dce_caps)
1231 		return BP_RESULT_BADINPUT;
1232 
1233 	if (!DATA_TABLES(dce_info))
1234 		return BP_RESULT_BADBIOSTABLE;
1235 
1236 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_2,
1237 							DATA_TABLES(dce_info));
1238 
1239 	if (!disp_cntl_tbl)
1240 		return BP_RESULT_BADBIOSTABLE;
1241 
1242 	*dce_caps = disp_cntl_tbl->display_caps;
1243 
1244 	return result;
1245 }
1246 
1247 static enum bp_result get_disp_caps_v4_3(
1248 	struct bios_parser *bp,
1249 	uint8_t *dce_caps)
1250 {
1251 	enum bp_result result = BP_RESULT_OK;
1252 	struct atom_display_controller_info_v4_3 *disp_cntl_tbl = NULL;
1253 
1254 	if (!dce_caps)
1255 		return BP_RESULT_BADINPUT;
1256 
1257 	if (!DATA_TABLES(dce_info))
1258 		return BP_RESULT_BADBIOSTABLE;
1259 
1260 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_3,
1261 							DATA_TABLES(dce_info));
1262 
1263 	if (!disp_cntl_tbl)
1264 		return BP_RESULT_BADBIOSTABLE;
1265 
1266 	*dce_caps = disp_cntl_tbl->display_caps;
1267 
1268 	return result;
1269 }
1270 
1271 static enum bp_result get_disp_caps_v4_4(
1272 	struct bios_parser *bp,
1273 	uint8_t *dce_caps)
1274 {
1275 	enum bp_result result = BP_RESULT_OK;
1276 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1277 
1278 	if (!dce_caps)
1279 		return BP_RESULT_BADINPUT;
1280 
1281 	if (!DATA_TABLES(dce_info))
1282 		return BP_RESULT_BADBIOSTABLE;
1283 
1284 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_4,
1285 							DATA_TABLES(dce_info));
1286 
1287 	if (!disp_cntl_tbl)
1288 		return BP_RESULT_BADBIOSTABLE;
1289 
1290 	*dce_caps = disp_cntl_tbl->display_caps;
1291 
1292 	return result;
1293 }
1294 
1295 static enum bp_result get_disp_caps_v4_5(
1296 	struct bios_parser *bp,
1297 	uint8_t *dce_caps)
1298 {
1299 	enum bp_result result = BP_RESULT_OK;
1300 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1301 
1302 	if (!dce_caps)
1303 		return BP_RESULT_BADINPUT;
1304 
1305 	if (!DATA_TABLES(dce_info))
1306 		return BP_RESULT_BADBIOSTABLE;
1307 
1308 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_5,
1309 							DATA_TABLES(dce_info));
1310 
1311 	if (!disp_cntl_tbl)
1312 		return BP_RESULT_BADBIOSTABLE;
1313 
1314 	*dce_caps = disp_cntl_tbl->display_caps;
1315 
1316 	return result;
1317 }
1318 
1319 static enum bp_result bios_parser_get_lttpr_interop(
1320 	struct dc_bios *dcb,
1321 	uint8_t *dce_caps)
1322 {
1323 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1324 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1325 	struct atom_common_table_header *header;
1326 	struct atom_data_revision tbl_revision;
1327 
1328 	if (!DATA_TABLES(dce_info))
1329 		return BP_RESULT_UNSUPPORTED;
1330 
1331 	header = GET_IMAGE(struct atom_common_table_header,
1332 						DATA_TABLES(dce_info));
1333 	get_atom_data_table_revision(header, &tbl_revision);
1334 	switch (tbl_revision.major) {
1335 	case 4:
1336 		switch (tbl_revision.minor) {
1337 		case 1:
1338 			result = get_disp_caps_v4_1(bp, dce_caps);
1339 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1340 			break;
1341 		case 2:
1342 			result = get_disp_caps_v4_2(bp, dce_caps);
1343 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1344 			break;
1345 		case 3:
1346 			result = get_disp_caps_v4_3(bp, dce_caps);
1347 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1348 			break;
1349 		case 4:
1350 			result = get_disp_caps_v4_4(bp, dce_caps);
1351 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1352 			break;
1353 		case 5:
1354 			result = get_disp_caps_v4_5(bp, dce_caps);
1355 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1356 			break;
1357 
1358 		default:
1359 			break;
1360 		}
1361 		break;
1362 	default:
1363 		break;
1364 	}
1365 	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);
1366 	return result;
1367 }
1368 
1369 static enum bp_result bios_parser_get_lttpr_caps(
1370 	struct dc_bios *dcb,
1371 	uint8_t *dce_caps)
1372 {
1373 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1374 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1375 	struct atom_common_table_header *header;
1376 	struct atom_data_revision tbl_revision;
1377 
1378 	if (!DATA_TABLES(dce_info))
1379 		return BP_RESULT_UNSUPPORTED;
1380 
1381 	*dce_caps  = 0;
1382 	header = GET_IMAGE(struct atom_common_table_header,
1383 						DATA_TABLES(dce_info));
1384 	get_atom_data_table_revision(header, &tbl_revision);
1385 	switch (tbl_revision.major) {
1386 	case 4:
1387 		switch (tbl_revision.minor) {
1388 		case 1:
1389 			result = get_disp_caps_v4_1(bp, dce_caps);
1390 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1391 			break;
1392 		case 2:
1393 			result = get_disp_caps_v4_2(bp, dce_caps);
1394 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1395 			break;
1396 		case 3:
1397 			result = get_disp_caps_v4_3(bp, dce_caps);
1398 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1399 			break;
1400 		case 4:
1401 			result = get_disp_caps_v4_4(bp, dce_caps);
1402 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1403 			break;
1404 		case 5:
1405 			result = get_disp_caps_v4_5(bp, dce_caps);
1406 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1407 			break;
1408 		default:
1409 			break;
1410 		}
1411 		break;
1412 	default:
1413 		break;
1414 	}
1415 	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);
1416 	if (dcb->ctx->dc->config.force_bios_enable_lttpr && *dce_caps == 0) {
1417 		*dce_caps = 1;
1418 		DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: forced enabled");
1419 	}
1420 	return result;
1421 }
1422 
1423 static enum bp_result get_embedded_panel_info_v2_1(
1424 		struct bios_parser *bp,
1425 		struct embedded_panel_info *info)
1426 {
1427 	struct lcd_info_v2_1 *lvds;
1428 
1429 	if (!info)
1430 		return BP_RESULT_BADINPUT;
1431 
1432 	if (!DATA_TABLES(lcd_info))
1433 		return BP_RESULT_UNSUPPORTED;
1434 
1435 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1436 
1437 	if (!lvds)
1438 		return BP_RESULT_BADBIOSTABLE;
1439 
1440 	/* TODO: previous vv1_3, should v2_1 */
1441 	if (!((lvds->table_header.format_revision == 2)
1442 			&& (lvds->table_header.content_revision >= 1)))
1443 		return BP_RESULT_UNSUPPORTED;
1444 
1445 	memset(info, 0, sizeof(struct embedded_panel_info));
1446 
1447 	/* We need to convert from 10KHz units into KHz units */
1448 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1449 	/* usHActive does not include borders, according to VBIOS team */
1450 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
1451 	/* usHBlanking_Time includes borders, so we should really be
1452 	 * subtractingborders duing this translation, but LVDS generally
1453 	 * doesn't have borders, so we should be okay leaving this as is for
1454 	 * now.  May need to revisit if we ever have LVDS with borders
1455 	 */
1456 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1457 	/* usVActive does not include borders, according to VBIOS team*/
1458 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
1459 	/* usVBlanking_Time includes borders, so we should really be
1460 	 * subtracting borders duing this translation, but LVDS generally
1461 	 * doesn't have borders, so we should be okay leaving this as is for
1462 	 * now. May need to revisit if we ever have LVDS with borders
1463 	 */
1464 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1465 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1466 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
1467 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1468 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1469 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1470 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1471 
1472 	/* not provided by VBIOS */
1473 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1474 
1475 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1476 			& ATOM_HSYNC_POLARITY);
1477 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1478 			& ATOM_VSYNC_POLARITY);
1479 
1480 	/* not provided by VBIOS */
1481 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1482 
1483 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1484 			& ATOM_H_REPLICATIONBY2);
1485 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1486 			& ATOM_V_REPLICATIONBY2);
1487 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
1488 			& ATOM_COMPOSITESYNC);
1489 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1490 
1491 	/* not provided by VBIOS*/
1492 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1493 	/* not provided by VBIOS*/
1494 	info->ss_id = 0;
1495 
1496 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1497 
1498 	return BP_RESULT_OK;
1499 }
1500 
1501 static enum bp_result bios_parser_get_embedded_panel_info(
1502 		struct dc_bios *dcb,
1503 		struct embedded_panel_info *info)
1504 {
1505 	struct bios_parser
1506 	*bp = BP_FROM_DCB(dcb);
1507 	struct atom_common_table_header *header;
1508 	struct atom_data_revision tbl_revision;
1509 
1510 	if (!DATA_TABLES(lcd_info))
1511 		return BP_RESULT_FAILURE;
1512 
1513 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1514 
1515 	if (!header)
1516 		return BP_RESULT_BADBIOSTABLE;
1517 
1518 	get_atom_data_table_revision(header, &tbl_revision);
1519 
1520 	switch (tbl_revision.major) {
1521 	case 2:
1522 		switch (tbl_revision.minor) {
1523 		case 1:
1524 			return get_embedded_panel_info_v2_1(bp, info);
1525 		default:
1526 			break;
1527 		}
1528 		break;
1529 	default:
1530 		break;
1531 	}
1532 
1533 	return BP_RESULT_FAILURE;
1534 }
1535 
1536 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1537 {
1538 	enum dal_device_type device_type = device_id.device_type;
1539 	uint32_t enum_id = device_id.enum_id;
1540 
1541 	switch (device_type) {
1542 	case DEVICE_TYPE_LCD:
1543 		switch (enum_id) {
1544 		case 1:
1545 			return ATOM_DISPLAY_LCD1_SUPPORT;
1546 		default:
1547 			break;
1548 		}
1549 		break;
1550 	case DEVICE_TYPE_DFP:
1551 		switch (enum_id) {
1552 		case 1:
1553 			return ATOM_DISPLAY_DFP1_SUPPORT;
1554 		case 2:
1555 			return ATOM_DISPLAY_DFP2_SUPPORT;
1556 		case 3:
1557 			return ATOM_DISPLAY_DFP3_SUPPORT;
1558 		case 4:
1559 			return ATOM_DISPLAY_DFP4_SUPPORT;
1560 		case 5:
1561 			return ATOM_DISPLAY_DFP5_SUPPORT;
1562 		case 6:
1563 			return ATOM_DISPLAY_DFP6_SUPPORT;
1564 		default:
1565 			break;
1566 		}
1567 		break;
1568 	default:
1569 		break;
1570 	}
1571 
1572 	/* Unidentified device ID, return empty support mask. */
1573 	return 0;
1574 }
1575 
1576 static bool bios_parser_is_device_id_supported(
1577 	struct dc_bios *dcb,
1578 	struct device_id id)
1579 {
1580 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1581 
1582 	uint32_t mask = get_support_mask_for_device_id(id);
1583 
1584 	switch (bp->object_info_tbl.revision.minor) {
1585 	    case 4:
1586 	    default:
1587 	        return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) & mask) != 0;
1588 			break;
1589 	    case 5:
1590 			return (le16_to_cpu(bp->object_info_tbl.v1_5->supporteddevices) & mask) != 0;
1591 			break;
1592 	}
1593 
1594 	return false;
1595 }
1596 
1597 static uint32_t bios_parser_get_ss_entry_number(
1598 	struct dc_bios *dcb,
1599 	enum as_signal_type signal)
1600 {
1601 	/* TODO: DAL2 atomfirmware implementation does not need this.
1602 	 * why DAL3 need this?
1603 	 */
1604 	return 1;
1605 }
1606 
1607 static enum bp_result bios_parser_transmitter_control(
1608 	struct dc_bios *dcb,
1609 	struct bp_transmitter_control *cntl)
1610 {
1611 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1612 
1613 	if (!bp->cmd_tbl.transmitter_control)
1614 		return BP_RESULT_FAILURE;
1615 
1616 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1617 }
1618 
1619 static enum bp_result bios_parser_encoder_control(
1620 	struct dc_bios *dcb,
1621 	struct bp_encoder_control *cntl)
1622 {
1623 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1624 
1625 	if (!bp->cmd_tbl.dig_encoder_control)
1626 		return BP_RESULT_FAILURE;
1627 
1628 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1629 }
1630 
1631 static enum bp_result bios_parser_set_pixel_clock(
1632 	struct dc_bios *dcb,
1633 	struct bp_pixel_clock_parameters *bp_params)
1634 {
1635 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1636 
1637 	if (!bp->cmd_tbl.set_pixel_clock)
1638 		return BP_RESULT_FAILURE;
1639 
1640 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1641 }
1642 
1643 static enum bp_result bios_parser_set_dce_clock(
1644 	struct dc_bios *dcb,
1645 	struct bp_set_dce_clock_parameters *bp_params)
1646 {
1647 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1648 
1649 	if (!bp->cmd_tbl.set_dce_clock)
1650 		return BP_RESULT_FAILURE;
1651 
1652 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1653 }
1654 
1655 static enum bp_result bios_parser_program_crtc_timing(
1656 	struct dc_bios *dcb,
1657 	struct bp_hw_crtc_timing_parameters *bp_params)
1658 {
1659 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1660 
1661 	if (!bp->cmd_tbl.set_crtc_timing)
1662 		return BP_RESULT_FAILURE;
1663 
1664 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1665 }
1666 
1667 static enum bp_result bios_parser_enable_crtc(
1668 	struct dc_bios *dcb,
1669 	enum controller_id id,
1670 	bool enable)
1671 {
1672 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1673 
1674 	if (!bp->cmd_tbl.enable_crtc)
1675 		return BP_RESULT_FAILURE;
1676 
1677 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1678 }
1679 
1680 static enum bp_result bios_parser_enable_disp_power_gating(
1681 	struct dc_bios *dcb,
1682 	enum controller_id controller_id,
1683 	enum bp_pipe_control_action action)
1684 {
1685 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1686 
1687 	if (!bp->cmd_tbl.enable_disp_power_gating)
1688 		return BP_RESULT_FAILURE;
1689 
1690 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1691 		action);
1692 }
1693 
1694 static enum bp_result bios_parser_enable_lvtma_control(
1695 	struct dc_bios *dcb,
1696 	uint8_t uc_pwr_on,
1697 	uint8_t panel_instance,
1698 	uint8_t bypass_panel_control_wait)
1699 {
1700 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1701 
1702 	if (!bp->cmd_tbl.enable_lvtma_control)
1703 		return BP_RESULT_FAILURE;
1704 
1705 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, panel_instance, bypass_panel_control_wait);
1706 }
1707 
1708 static bool bios_parser_is_accelerated_mode(
1709 	struct dc_bios *dcb)
1710 {
1711 	return bios_is_accelerated_mode(dcb);
1712 }
1713 
1714 /**
1715  * bios_parser_set_scratch_critical_state - update critical state bit
1716  *                                          in VBIOS scratch register
1717  *
1718  * @dcb:   pointer to the DC BIO
1719  * @state: set or reset state
1720  */
1721 static void bios_parser_set_scratch_critical_state(
1722 	struct dc_bios *dcb,
1723 	bool state)
1724 {
1725 	bios_set_scratch_critical_state(dcb, state);
1726 }
1727 
1728 struct atom_dig_transmitter_info_header_v5_3 {
1729     struct atom_common_table_header table_header;
1730     uint16_t dpphy_hdmi_settings_offset;
1731     uint16_t dpphy_dvi_settings_offset;
1732     uint16_t dpphy_dp_setting_table_offset;
1733     uint16_t uniphy_xbar_settings_v2_table_offset;
1734     uint16_t dpphy_internal_reg_overide_offset;
1735 };
1736 
1737 static enum bp_result bios_parser_get_firmware_info(
1738 	struct dc_bios *dcb,
1739 	struct dc_firmware_info *info)
1740 {
1741 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1742 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
1743 	struct atom_common_table_header *header;
1744 
1745 	struct atom_data_revision revision;
1746 
1747 	if (info && DATA_TABLES(firmwareinfo)) {
1748 		header = GET_IMAGE(struct atom_common_table_header,
1749 				DATA_TABLES(firmwareinfo));
1750 		get_atom_data_table_revision(header, &revision);
1751 		switch (revision.major) {
1752 		case 3:
1753 			switch (revision.minor) {
1754 			case 1:
1755 				result = get_firmware_info_v3_1(bp, info);
1756 				break;
1757 			case 2:
1758 			case 3:
1759 				result = get_firmware_info_v3_2(bp, info);
1760                                 break;
1761 			case 4:
1762 				result = get_firmware_info_v3_4(bp, info);
1763 				break;
1764 			default:
1765 				break;
1766 			}
1767 			break;
1768 		default:
1769 			break;
1770 		}
1771 	}
1772 
1773 	return result;
1774 }
1775 
1776 static enum bp_result get_firmware_info_v3_1(
1777 	struct bios_parser *bp,
1778 	struct dc_firmware_info *info)
1779 {
1780 	struct atom_firmware_info_v3_1 *firmware_info;
1781 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1782 
1783 	if (!info)
1784 		return BP_RESULT_BADINPUT;
1785 
1786 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1787 			DATA_TABLES(firmwareinfo));
1788 
1789 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1790 			DATA_TABLES(dce_info));
1791 
1792 	if (!firmware_info || !dce_info)
1793 		return BP_RESULT_BADBIOSTABLE;
1794 
1795 	memset(info, 0, sizeof(*info));
1796 
1797 	/* Pixel clock pll information. */
1798 	 /* We need to convert from 10KHz units into KHz units */
1799 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1800 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1801 
1802 	 /* 27MHz for Vega10: */
1803 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1804 
1805 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1806 	if (info->pll_info.crystal_frequency == 0)
1807 		info->pll_info.crystal_frequency = 27000;
1808 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1809 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1810 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1811 
1812 	/* Get GPU PLL VCO Clock */
1813 
1814 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1815 		/* VBIOS gives in 10KHz */
1816 		info->smu_gpu_pll_output_freq =
1817 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1818 	}
1819 
1820 	info->oem_i2c_present = false;
1821 
1822 	return BP_RESULT_OK;
1823 }
1824 
1825 static enum bp_result get_firmware_info_v3_2(
1826 	struct bios_parser *bp,
1827 	struct dc_firmware_info *info)
1828 {
1829 	struct atom_firmware_info_v3_2 *firmware_info;
1830 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1831 	struct atom_common_table_header *header;
1832 	struct atom_data_revision revision;
1833 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1834 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1835 
1836 	if (!info)
1837 		return BP_RESULT_BADINPUT;
1838 
1839 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1840 			DATA_TABLES(firmwareinfo));
1841 
1842 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1843 			DATA_TABLES(dce_info));
1844 
1845 	if (!firmware_info || !dce_info)
1846 		return BP_RESULT_BADBIOSTABLE;
1847 
1848 	memset(info, 0, sizeof(*info));
1849 
1850 	header = GET_IMAGE(struct atom_common_table_header,
1851 					DATA_TABLES(smu_info));
1852 	get_atom_data_table_revision(header, &revision);
1853 
1854 	if (revision.minor == 2) {
1855 		/* Vega12 */
1856 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1857 							DATA_TABLES(smu_info));
1858 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_2->gpuclk_ss_percentage);
1859 		if (!smu_info_v3_2)
1860 			return BP_RESULT_BADBIOSTABLE;
1861 
1862 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1863 	} else if (revision.minor == 3) {
1864 		/* Vega20 */
1865 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1866 							DATA_TABLES(smu_info));
1867 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_3->gpuclk_ss_percentage);
1868 		if (!smu_info_v3_3)
1869 			return BP_RESULT_BADBIOSTABLE;
1870 
1871 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1872 	}
1873 
1874 	 // We need to convert from 10KHz units into KHz units.
1875 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1876 
1877 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1878 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1879 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1880 	if (info->pll_info.crystal_frequency == 0) {
1881 		if (revision.minor == 2)
1882 			info->pll_info.crystal_frequency = 27000;
1883 		else if (revision.minor == 3)
1884 			info->pll_info.crystal_frequency = 100000;
1885 	}
1886 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1887 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1888 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1889 
1890 	/* Get GPU PLL VCO Clock */
1891 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1892 		if (revision.minor == 2)
1893 			info->smu_gpu_pll_output_freq =
1894 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1895 		else if (revision.minor == 3)
1896 			info->smu_gpu_pll_output_freq =
1897 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1898 	}
1899 
1900 	if (firmware_info->board_i2c_feature_id == 0x2) {
1901 		info->oem_i2c_present = true;
1902 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1903 	} else {
1904 		info->oem_i2c_present = false;
1905 	}
1906 
1907 	return BP_RESULT_OK;
1908 }
1909 
1910 static enum bp_result get_firmware_info_v3_4(
1911 	struct bios_parser *bp,
1912 	struct dc_firmware_info *info)
1913 {
1914 	struct atom_firmware_info_v3_4 *firmware_info;
1915 	struct atom_common_table_header *header;
1916 	struct atom_data_revision revision;
1917 	struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
1918 	struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
1919 
1920 	struct atom_smu_info_v3_5 *smu_info_v3_5 = NULL;
1921 	struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
1922 	struct atom_smu_info_v4_0 *smu_info_v4_0 = NULL;
1923 
1924 	if (!info)
1925 		return BP_RESULT_BADINPUT;
1926 
1927 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
1928 			DATA_TABLES(firmwareinfo));
1929 
1930 	if (!firmware_info)
1931 		return BP_RESULT_BADBIOSTABLE;
1932 
1933 	memset(info, 0, sizeof(*info));
1934 
1935 	header = GET_IMAGE(struct atom_common_table_header,
1936 					DATA_TABLES(dce_info));
1937 
1938 	get_atom_data_table_revision(header, &revision);
1939 
1940 	switch (revision.major) {
1941 	case 4:
1942 		switch (revision.minor) {
1943 		case 5:
1944 			dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
1945 							DATA_TABLES(dce_info));
1946 
1947 			if (!dce_info_v4_5)
1948 				return BP_RESULT_BADBIOSTABLE;
1949 
1950 			 /* 100MHz expected */
1951 			info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
1952 			info->dp_phy_ref_clk             = dce_info_v4_5->dpphy_refclk_10khz * 10;
1953 			 /* 50MHz expected */
1954 			info->i2c_engine_ref_clk         = dce_info_v4_5->i2c_engine_refclk_10khz * 10;
1955 
1956 			/* For DCN32/321 Display PLL VCO Frequency from dce_info_v4_5 may not be reliable */
1957 			break;
1958 
1959 		case 4:
1960 			dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
1961 							DATA_TABLES(dce_info));
1962 
1963 			if (!dce_info_v4_4)
1964 				return BP_RESULT_BADBIOSTABLE;
1965 
1966 			/* 100MHz expected */
1967 			info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10;
1968 			info->dp_phy_ref_clk             = dce_info_v4_4->dpphy_refclk_10khz * 10;
1969 			/* 50MHz expected */
1970 			info->i2c_engine_ref_clk         = dce_info_v4_4->i2c_engine_refclk_10khz * 10;
1971 
1972 			/* Get SMU Display PLL VCO Frequency in KHz*/
1973 			info->smu_gpu_pll_output_freq =	dce_info_v4_4->dispclk_pll_vco_freq * 10;
1974 			break;
1975 
1976 		default:
1977 			/* should not come here, keep as backup, as was before */
1978 			dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1,
1979 							DATA_TABLES(dce_info));
1980 
1981 			if (!dce_info_v4_1)
1982 				return BP_RESULT_BADBIOSTABLE;
1983 
1984 			info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10;
1985 			info->dp_phy_ref_clk             = dce_info_v4_1->dpphy_refclk_10khz * 10;
1986 			info->i2c_engine_ref_clk         = dce_info_v4_1->i2c_engine_refclk_10khz * 10;
1987 			break;
1988 		}
1989 		break;
1990 
1991 	default:
1992 		ASSERT(0);
1993 		break;
1994 	}
1995 
1996 	header = GET_IMAGE(struct atom_common_table_header,
1997 					DATA_TABLES(smu_info));
1998 	get_atom_data_table_revision(header, &revision);
1999 
2000 	switch (revision.major) {
2001 	case 3:
2002 		switch (revision.minor) {
2003 		case 5:
2004 			smu_info_v3_5 = GET_IMAGE(struct atom_smu_info_v3_5,
2005 							DATA_TABLES(smu_info));
2006 
2007 			if (!smu_info_v3_5)
2008 				return BP_RESULT_BADBIOSTABLE;
2009 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_5->gpuclk_ss_percentage);
2010 			info->default_engine_clk = smu_info_v3_5->bootup_dcefclk_10khz * 10;
2011 			break;
2012 
2013 		default:
2014 			break;
2015 		}
2016 		break;
2017 
2018 	case 4:
2019 		switch (revision.minor) {
2020 		case 0:
2021 			smu_info_v4_0 = GET_IMAGE(struct atom_smu_info_v4_0,
2022 							DATA_TABLES(smu_info));
2023 
2024 			if (!smu_info_v4_0)
2025 				return BP_RESULT_BADBIOSTABLE;
2026 
2027 			/* For DCN32/321 bootup DCFCLK from smu_info_v4_0 may not be reliable */
2028 			break;
2029 
2030 		default:
2031 			break;
2032 		}
2033 		break;
2034 
2035 	default:
2036 		break;
2037 	}
2038 
2039 	 // We need to convert from 10KHz units into KHz units.
2040 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
2041 
2042 	if (firmware_info->board_i2c_feature_id == 0x2) {
2043 		info->oem_i2c_present = true;
2044 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2045 	} else {
2046 		info->oem_i2c_present = false;
2047 	}
2048 
2049 	return BP_RESULT_OK;
2050 }
2051 
2052 static enum bp_result bios_parser_get_encoder_cap_info(
2053 	struct dc_bios *dcb,
2054 	struct graphics_object_id object_id,
2055 	struct bp_encoder_cap_info *info)
2056 {
2057 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2058 	struct atom_display_object_path_v2 *object;
2059 	struct atom_encoder_caps_record *record = NULL;
2060 
2061 	if (!info)
2062 		return BP_RESULT_BADINPUT;
2063 
2064 #if defined(CONFIG_DRM_AMD_DC_FP)
2065 	/* encoder cap record not available in v1_5 */
2066 	if (bp->object_info_tbl.revision.minor == 5)
2067 		return BP_RESULT_NORECORD;
2068 #endif
2069 
2070 	object = get_bios_object(bp, object_id);
2071 
2072 	if (!object)
2073 		return BP_RESULT_BADINPUT;
2074 
2075 	record = get_encoder_cap_record(bp, object);
2076 	if (!record)
2077 		return BP_RESULT_NORECORD;
2078 	DC_LOG_BIOS("record->encodercaps 0x%x for object_id 0x%x", record->encodercaps, object_id.id);
2079 
2080 	info->DP_HBR2_CAP = (record->encodercaps &
2081 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
2082 	info->DP_HBR2_EN = (record->encodercaps &
2083 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
2084 	info->DP_HBR3_EN = (record->encodercaps &
2085 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
2086 	info->HDMI_6GB_EN = (record->encodercaps &
2087 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
2088 	info->IS_DP2_CAPABLE = (record->encodercaps &
2089 			ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
2090 	info->DP_UHBR10_EN = (record->encodercaps &
2091 			ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
2092 	info->DP_UHBR13_5_EN = (record->encodercaps &
2093 			ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
2094 	info->DP_UHBR20_EN = (record->encodercaps &
2095 			ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
2096 	info->DP_IS_USB_C = (record->encodercaps &
2097 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
2098 	DC_LOG_BIOS("\t info->DP_IS_USB_C %d", info->DP_IS_USB_C);
2099 
2100 	return BP_RESULT_OK;
2101 }
2102 
2103 
2104 static struct atom_encoder_caps_record *get_encoder_cap_record(
2105 	struct bios_parser *bp,
2106 	struct atom_display_object_path_v2 *object)
2107 {
2108 	struct atom_common_record_header *header;
2109 	uint32_t offset;
2110 
2111 	if (!object) {
2112 		BREAK_TO_DEBUGGER(); /* Invalid object */
2113 		return NULL;
2114 	}
2115 
2116 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
2117 
2118 	for (;;) {
2119 		header = GET_IMAGE(struct atom_common_record_header, offset);
2120 
2121 		if (!header)
2122 			return NULL;
2123 
2124 		offset += header->record_size;
2125 
2126 		if (header->record_type == LAST_RECORD_TYPE ||
2127 				!header->record_size)
2128 			break;
2129 
2130 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
2131 			continue;
2132 
2133 		if (sizeof(struct atom_encoder_caps_record) <=
2134 							header->record_size)
2135 			return (struct atom_encoder_caps_record *)header;
2136 	}
2137 
2138 	return NULL;
2139 }
2140 
2141 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
2142 	struct bios_parser *bp,
2143 	struct atom_display_object_path_v2 *object)
2144 {
2145 	struct atom_common_record_header *header;
2146 	uint32_t offset;
2147 
2148 	if (!object) {
2149 		BREAK_TO_DEBUGGER(); /* Invalid object */
2150 		return NULL;
2151 	}
2152 
2153 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2154 
2155 	for (;;) {
2156 		header = GET_IMAGE(struct atom_common_record_header, offset);
2157 
2158 		if (!header)
2159 			return NULL;
2160 
2161 		offset += header->record_size;
2162 
2163 		if (header->record_type == LAST_RECORD_TYPE ||
2164 				!header->record_size)
2165 			break;
2166 
2167 		if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
2168 			continue;
2169 
2170 		if (sizeof(struct atom_disp_connector_caps_record) <=
2171 							header->record_size)
2172 			return (struct atom_disp_connector_caps_record *)header;
2173 	}
2174 
2175 	return NULL;
2176 }
2177 
2178 static struct atom_connector_caps_record *get_connector_caps_record(
2179 	struct bios_parser *bp,
2180 	struct atom_display_object_path_v3 *object)
2181 {
2182 	struct atom_common_record_header *header;
2183 	uint32_t offset;
2184 
2185 	if (!object) {
2186 		BREAK_TO_DEBUGGER(); /* Invalid object */
2187 		return NULL;
2188 	}
2189 
2190 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2191 
2192 	for (;;) {
2193 		header = GET_IMAGE(struct atom_common_record_header, offset);
2194 
2195 		if (!header)
2196 			return NULL;
2197 
2198 		offset += header->record_size;
2199 
2200 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2201 				!header->record_size)
2202 			break;
2203 
2204 		if (header->record_type != ATOM_CONNECTOR_CAP_RECORD_TYPE)
2205 			continue;
2206 
2207 		if (sizeof(struct atom_connector_caps_record) <= header->record_size)
2208 			return (struct atom_connector_caps_record *)header;
2209 	}
2210 
2211 	return NULL;
2212 }
2213 
2214 static enum bp_result bios_parser_get_disp_connector_caps_info(
2215 	struct dc_bios *dcb,
2216 	struct graphics_object_id object_id,
2217 	struct bp_disp_connector_caps_info *info)
2218 {
2219 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2220 	struct atom_display_object_path_v2 *object;
2221 
2222 	struct atom_display_object_path_v3 *object_path_v3;
2223 	struct atom_connector_caps_record *record_path_v3;
2224 
2225 	struct atom_disp_connector_caps_record *record = NULL;
2226 
2227 	if (!info)
2228 		return BP_RESULT_BADINPUT;
2229 
2230 	switch (bp->object_info_tbl.revision.minor) {
2231 	    case 4:
2232 	    default:
2233 		    object = get_bios_object(bp, object_id);
2234 
2235 		    if (!object)
2236 			    return BP_RESULT_BADINPUT;
2237 
2238 		    record = get_disp_connector_caps_record(bp, object);
2239 		    if (!record)
2240 			    return BP_RESULT_NORECORD;
2241 
2242 		    info->INTERNAL_DISPLAY =
2243 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) ? 1 : 0;
2244 		    info->INTERNAL_DISPLAY_BL =
2245 			    (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) ? 1 : 0;
2246 		    break;
2247 	    case 5:
2248 		object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2249 
2250 		if (!object_path_v3)
2251 			return BP_RESULT_BADINPUT;
2252 
2253 		record_path_v3 = get_connector_caps_record(bp, object_path_v3);
2254 		if (!record_path_v3)
2255 			return BP_RESULT_NORECORD;
2256 
2257 		info->INTERNAL_DISPLAY = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
2258 									? 1 : 0;
2259 		info->INTERNAL_DISPLAY_BL = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
2260 										? 1 : 0;
2261 		break;
2262 	}
2263 
2264 	return BP_RESULT_OK;
2265 }
2266 
2267 static struct atom_connector_speed_record *get_connector_speed_cap_record(
2268 	struct bios_parser *bp,
2269 	struct atom_display_object_path_v3 *object)
2270 {
2271 	struct atom_common_record_header *header;
2272 	uint32_t offset;
2273 
2274 	if (!object) {
2275 		BREAK_TO_DEBUGGER(); /* Invalid object */
2276 		return NULL;
2277 	}
2278 
2279 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2280 
2281 	for (;;) {
2282 		header = GET_IMAGE(struct atom_common_record_header, offset);
2283 
2284 		if (!header)
2285 			return NULL;
2286 
2287 		offset += header->record_size;
2288 
2289 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2290 				!header->record_size)
2291 			break;
2292 
2293 		if (header->record_type != ATOM_CONNECTOR_SPEED_UPTO)
2294 			continue;
2295 
2296 		if (sizeof(struct atom_connector_speed_record) <= header->record_size)
2297 			return (struct atom_connector_speed_record *)header;
2298 	}
2299 
2300 	return NULL;
2301 }
2302 
2303 static enum bp_result bios_parser_get_connector_speed_cap_info(
2304 	struct dc_bios *dcb,
2305 	struct graphics_object_id object_id,
2306 	struct bp_connector_speed_cap_info *info)
2307 {
2308 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2309 	struct atom_display_object_path_v3 *object_path_v3;
2310 	//struct atom_connector_speed_record *record = NULL;
2311 	struct atom_connector_speed_record *record;
2312 
2313 	if (!info)
2314 		return BP_RESULT_BADINPUT;
2315 
2316 	object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2317 
2318 	if (!object_path_v3)
2319 		return BP_RESULT_BADINPUT;
2320 
2321 	record = get_connector_speed_cap_record(bp, object_path_v3);
2322 	if (!record)
2323 		return BP_RESULT_NORECORD;
2324 
2325 	info->DP_HBR2_EN = (record->connector_max_speed >= 5400) ? 1 : 0;
2326 	info->DP_HBR3_EN = (record->connector_max_speed >= 8100) ? 1 : 0;
2327 	info->HDMI_6GB_EN = (record->connector_max_speed >= 5940) ? 1 : 0;
2328 	info->DP_UHBR10_EN = (record->connector_max_speed >= 10000) ? 1 : 0;
2329 	info->DP_UHBR13_5_EN = (record->connector_max_speed >= 13500) ? 1 : 0;
2330 	info->DP_UHBR20_EN = (record->connector_max_speed >= 20000) ? 1 : 0;
2331 	return BP_RESULT_OK;
2332 }
2333 
2334 static enum bp_result get_vram_info_v23(
2335 	struct bios_parser *bp,
2336 	struct dc_vram_info *info)
2337 {
2338 	struct atom_vram_info_header_v2_3 *info_v23;
2339 	static enum bp_result result = BP_RESULT_OK;
2340 
2341 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
2342 						DATA_TABLES(vram_info));
2343 
2344 	if (info_v23 == NULL)
2345 		return BP_RESULT_BADBIOSTABLE;
2346 
2347 	info->num_chans = info_v23->vram_module[0].channel_num;
2348 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
2349 
2350 	return result;
2351 }
2352 
2353 static enum bp_result get_vram_info_v24(
2354 	struct bios_parser *bp,
2355 	struct dc_vram_info *info)
2356 {
2357 	struct atom_vram_info_header_v2_4 *info_v24;
2358 	static enum bp_result result = BP_RESULT_OK;
2359 
2360 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
2361 						DATA_TABLES(vram_info));
2362 
2363 	if (info_v24 == NULL)
2364 		return BP_RESULT_BADBIOSTABLE;
2365 
2366 	info->num_chans = info_v24->vram_module[0].channel_num;
2367 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
2368 
2369 	return result;
2370 }
2371 
2372 static enum bp_result get_vram_info_v25(
2373 	struct bios_parser *bp,
2374 	struct dc_vram_info *info)
2375 {
2376 	struct atom_vram_info_header_v2_5 *info_v25;
2377 	static enum bp_result result = BP_RESULT_OK;
2378 
2379 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
2380 						DATA_TABLES(vram_info));
2381 
2382 	if (info_v25 == NULL)
2383 		return BP_RESULT_BADBIOSTABLE;
2384 
2385 	info->num_chans = info_v25->vram_module[0].channel_num;
2386 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
2387 
2388 	return result;
2389 }
2390 
2391 static enum bp_result get_vram_info_v30(
2392 	struct bios_parser *bp,
2393 	struct dc_vram_info *info)
2394 {
2395 	struct atom_vram_info_header_v3_0 *info_v30;
2396 	enum bp_result result = BP_RESULT_OK;
2397 
2398 	info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
2399 						DATA_TABLES(vram_info));
2400 
2401 	if (info_v30 == NULL)
2402 		return BP_RESULT_BADBIOSTABLE;
2403 
2404 	info->num_chans = info_v30->channel_num;
2405 	info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
2406 
2407 	return result;
2408 }
2409 
2410 
2411 /*
2412  * get_integrated_info_v11
2413  *
2414  * @brief
2415  * Get V8 integrated BIOS information
2416  *
2417  * @param
2418  * bios_parser *bp - [in]BIOS parser handler to get master data table
2419  * integrated_info *info - [out] store and output integrated info
2420  *
2421  * @return
2422  * static enum bp_result - BP_RESULT_OK if information is available,
2423  *                  BP_RESULT_BADBIOSTABLE otherwise.
2424  */
2425 static enum bp_result get_integrated_info_v11(
2426 	struct bios_parser *bp,
2427 	struct integrated_info *info)
2428 {
2429 	struct atom_integrated_system_info_v1_11 *info_v11;
2430 	uint32_t i;
2431 
2432 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
2433 					DATA_TABLES(integratedsysteminfo));
2434 
2435 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v11->gpuclk_ss_percentage);
2436 	if (info_v11 == NULL)
2437 		return BP_RESULT_BADBIOSTABLE;
2438 
2439 	info->gpu_cap_info =
2440 	le32_to_cpu(info_v11->gpucapinfo);
2441 	/*
2442 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2443 	*                       = 1 : PCIE power gating enabled
2444 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2445 	*                       = 1 : DDR-PLL shut down enabled
2446 	*                Bit[2] = 0 : DDR-PLL power down disabled
2447 	*                       = 1 : DDR-PLL power down enabled
2448 	*/
2449 	info->system_config = le32_to_cpu(info_v11->system_config);
2450 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
2451 	info->memory_type = info_v11->memorytype;
2452 	info->ma_channel_number = info_v11->umachannelnumber;
2453 	info->lvds_ss_percentage =
2454 	le16_to_cpu(info_v11->lvds_ss_percentage);
2455 	info->dp_ss_control =
2456 	le16_to_cpu(info_v11->reserved1);
2457 	info->lvds_sspread_rate_in_10hz =
2458 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
2459 	info->hdmi_ss_percentage =
2460 	le16_to_cpu(info_v11->hdmi_ss_percentage);
2461 	info->hdmi_sspread_rate_in_10hz =
2462 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
2463 	info->dvi_ss_percentage =
2464 	le16_to_cpu(info_v11->dvi_ss_percentage);
2465 	info->dvi_sspread_rate_in_10_hz =
2466 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
2467 	info->lvds_misc = info_v11->lvds_misc;
2468 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2469 		info->ext_disp_conn_info.gu_id[i] =
2470 				info_v11->extdispconninfo.guid[i];
2471 	}
2472 
2473 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2474 		info->ext_disp_conn_info.path[i].device_connector_id =
2475 		object_id_from_bios_object_id(
2476 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
2477 
2478 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2479 		object_id_from_bios_object_id(
2480 			le16_to_cpu(
2481 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
2482 
2483 		info->ext_disp_conn_info.path[i].device_tag =
2484 			le16_to_cpu(
2485 				info_v11->extdispconninfo.path[i].device_tag);
2486 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2487 		le16_to_cpu(
2488 			info_v11->extdispconninfo.path[i].device_acpi_enum);
2489 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2490 			info_v11->extdispconninfo.path[i].auxddclut_index;
2491 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2492 			info_v11->extdispconninfo.path[i].hpdlut_index;
2493 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2494 			info_v11->extdispconninfo.path[i].channelmapping;
2495 		info->ext_disp_conn_info.path[i].caps =
2496 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
2497 	}
2498 	info->ext_disp_conn_info.checksum =
2499 	info_v11->extdispconninfo.checksum;
2500 
2501 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
2502 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
2503 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2504 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2505 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2506 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2507 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2508 	}
2509 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
2510 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2511 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2512 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2513 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2514 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2515 	}
2516 
2517 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
2518 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
2519 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2520 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2521 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2522 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2523 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2524 	}
2525 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
2526 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2527 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2528 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2529 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2530 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2531 	}
2532 
2533 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
2534 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
2535 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2536 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2537 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2538 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2539 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2540 	}
2541 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
2542 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2543 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2544 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2545 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2546 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2547 	}
2548 
2549 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
2550 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
2551 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2552 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2553 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2554 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2555 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2556 	}
2557 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
2558 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2559 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2560 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2561 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2562 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2563 	}
2564 
2565 
2566 	/** TODO - review **/
2567 	#if 0
2568 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
2569 									* 10;
2570 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
2571 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
2572 
2573 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2574 		/* Convert [10KHz] into [KHz] */
2575 		info->disp_clk_voltage[i].max_supported_clk =
2576 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
2577 			ulMaximumSupportedCLK) * 10;
2578 		info->disp_clk_voltage[i].voltage_index =
2579 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
2580 	}
2581 
2582 	info->boot_up_req_display_vector =
2583 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
2584 	info->boot_up_nb_voltage =
2585 			le16_to_cpu(info_v11->usBootUpNBVoltage);
2586 	info->ext_disp_conn_info_offset =
2587 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
2588 	info->gmc_restore_reset_time =
2589 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
2590 	info->minimum_n_clk =
2591 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
2592 	for (i = 1; i < 4; ++i)
2593 		info->minimum_n_clk =
2594 				info->minimum_n_clk <
2595 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
2596 				info->minimum_n_clk : le32_to_cpu(
2597 					info_v11->ulNbpStateNClkFreq[i]);
2598 
2599 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
2600 	info->ddr_dll_power_up_time =
2601 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
2602 	info->ddr_pll_power_up_time =
2603 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
2604 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
2605 	info->max_lvds_pclk_freq_in_single_link =
2606 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2607 	info->max_lvds_pclk_freq_in_single_link =
2608 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2609 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
2610 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
2611 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
2612 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
2613 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
2614 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
2615 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
2616 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
2617 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
2618 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
2619 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
2620 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
2621 	info->lvds_off_to_on_delay_in_4ms =
2622 		info_v11->ucLVDSOffToOnDelay_in4Ms;
2623 	info->lvds_bit_depth_control_val =
2624 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
2625 
2626 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
2627 		/* Convert [10KHz] into [KHz] */
2628 		info->avail_s_clk[i].supported_s_clk =
2629 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
2630 									* 10;
2631 		info->avail_s_clk[i].voltage_index =
2632 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
2633 		info->avail_s_clk[i].voltage_id =
2634 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
2635 	}
2636 	#endif /* TODO*/
2637 
2638 	return BP_RESULT_OK;
2639 }
2640 
2641 static enum bp_result get_integrated_info_v2_1(
2642 	struct bios_parser *bp,
2643 	struct integrated_info *info)
2644 {
2645 	struct atom_integrated_system_info_v2_1 *info_v2_1;
2646 	uint32_t i;
2647 
2648 	info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
2649 					DATA_TABLES(integratedsysteminfo));
2650 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_1->gpuclk_ss_percentage);
2651 
2652 	if (info_v2_1 == NULL)
2653 		return BP_RESULT_BADBIOSTABLE;
2654 
2655 	info->gpu_cap_info =
2656 	le32_to_cpu(info_v2_1->gpucapinfo);
2657 	/*
2658 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2659 	*                       = 1 : PCIE power gating enabled
2660 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2661 	*                       = 1 : DDR-PLL shut down enabled
2662 	*                Bit[2] = 0 : DDR-PLL power down disabled
2663 	*                       = 1 : DDR-PLL power down enabled
2664 	*/
2665 	info->system_config = le32_to_cpu(info_v2_1->system_config);
2666 	info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
2667 	info->memory_type = info_v2_1->memorytype;
2668 	info->ma_channel_number = info_v2_1->umachannelnumber;
2669 	info->dp_ss_control =
2670 		le16_to_cpu(info_v2_1->reserved1);
2671 
2672 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2673 		info->ext_disp_conn_info.gu_id[i] =
2674 				info_v2_1->extdispconninfo.guid[i];
2675 	}
2676 
2677 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2678 		info->ext_disp_conn_info.path[i].device_connector_id =
2679 		object_id_from_bios_object_id(
2680 		le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
2681 
2682 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2683 		object_id_from_bios_object_id(
2684 			le16_to_cpu(
2685 			info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
2686 
2687 		info->ext_disp_conn_info.path[i].device_tag =
2688 			le16_to_cpu(
2689 				info_v2_1->extdispconninfo.path[i].device_tag);
2690 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2691 		le16_to_cpu(
2692 			info_v2_1->extdispconninfo.path[i].device_acpi_enum);
2693 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2694 			info_v2_1->extdispconninfo.path[i].auxddclut_index;
2695 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2696 			info_v2_1->extdispconninfo.path[i].hpdlut_index;
2697 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2698 			info_v2_1->extdispconninfo.path[i].channelmapping;
2699 		info->ext_disp_conn_info.path[i].caps =
2700 				le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
2701 	}
2702 
2703 	info->ext_disp_conn_info.checksum =
2704 		info_v2_1->extdispconninfo.checksum;
2705 	info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
2706 	info->dp0_ext_hdmi_reg_num = info_v2_1->dp0_retimer_set.HdmiRegNum;
2707 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2708 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2709 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2710 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2711 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2712 	}
2713 	info->dp0_ext_hdmi_6g_reg_num = info_v2_1->dp0_retimer_set.Hdmi6GRegNum;
2714 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2715 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2716 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2717 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2718 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2719 	}
2720 	info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
2721 	info->dp1_ext_hdmi_reg_num = info_v2_1->dp1_retimer_set.HdmiRegNum;
2722 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2723 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2724 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2725 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2726 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2727 	}
2728 	info->dp1_ext_hdmi_6g_reg_num = info_v2_1->dp1_retimer_set.Hdmi6GRegNum;
2729 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2730 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2731 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2732 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2733 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2734 	}
2735 	info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
2736 	info->dp2_ext_hdmi_reg_num = info_v2_1->dp2_retimer_set.HdmiRegNum;
2737 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2738 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2739 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2740 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2741 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2742 	}
2743 	info->dp2_ext_hdmi_6g_reg_num = info_v2_1->dp2_retimer_set.Hdmi6GRegNum;
2744 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2745 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2746 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2747 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2748 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2749 	}
2750 	info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
2751 	info->dp3_ext_hdmi_reg_num = info_v2_1->dp3_retimer_set.HdmiRegNum;
2752 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2753 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2754 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2755 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2756 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2757 	}
2758 	info->dp3_ext_hdmi_6g_reg_num = info_v2_1->dp3_retimer_set.Hdmi6GRegNum;
2759 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2760 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2761 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2762 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2763 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2764 	}
2765 
2766 	info->edp1_info.edp_backlight_pwm_hz =
2767 	le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
2768 	info->edp1_info.edp_ss_percentage =
2769 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
2770 	info->edp1_info.edp_ss_rate_10hz =
2771 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
2772 	info->edp1_info.edp_pwr_on_off_delay =
2773 		info_v2_1->edp1_info.edp_pwr_on_off_delay;
2774 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2775 		info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
2776 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2777 		info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2778 	info->edp1_info.edp_panel_bpc =
2779 		info_v2_1->edp1_info.edp_panel_bpc;
2780 	info->edp1_info.edp_bootup_bl_level = info_v2_1->edp1_info.edp_bootup_bl_level;
2781 
2782 	info->edp2_info.edp_backlight_pwm_hz =
2783 	le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
2784 	info->edp2_info.edp_ss_percentage =
2785 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
2786 	info->edp2_info.edp_ss_rate_10hz =
2787 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
2788 	info->edp2_info.edp_pwr_on_off_delay =
2789 		info_v2_1->edp2_info.edp_pwr_on_off_delay;
2790 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2791 		info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
2792 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2793 		info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2794 	info->edp2_info.edp_panel_bpc =
2795 		info_v2_1->edp2_info.edp_panel_bpc;
2796 	info->edp2_info.edp_bootup_bl_level =
2797 		info_v2_1->edp2_info.edp_bootup_bl_level;
2798 
2799 	return BP_RESULT_OK;
2800 }
2801 
2802 static enum bp_result get_integrated_info_v2_2(
2803 	struct bios_parser *bp,
2804 	struct integrated_info *info)
2805 {
2806 	struct atom_integrated_system_info_v2_2 *info_v2_2;
2807 	uint32_t i;
2808 
2809 	info_v2_2 = GET_IMAGE(struct atom_integrated_system_info_v2_2,
2810 					DATA_TABLES(integratedsysteminfo));
2811 
2812 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_2->gpuclk_ss_percentage);
2813 
2814 	if (info_v2_2 == NULL)
2815 		return BP_RESULT_BADBIOSTABLE;
2816 
2817 	info->gpu_cap_info =
2818 	le32_to_cpu(info_v2_2->gpucapinfo);
2819 	/*
2820 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2821 	*                       = 1 : PCIE power gating enabled
2822 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2823 	*                       = 1 : DDR-PLL shut down enabled
2824 	*                Bit[2] = 0 : DDR-PLL power down disabled
2825 	*                       = 1 : DDR-PLL power down enabled
2826 	*/
2827 	info->system_config = le32_to_cpu(info_v2_2->system_config);
2828 	info->cpu_cap_info = le32_to_cpu(info_v2_2->cpucapinfo);
2829 	info->memory_type = info_v2_2->memorytype;
2830 	info->ma_channel_number = info_v2_2->umachannelnumber;
2831 	info->dp_ss_control =
2832 		le16_to_cpu(info_v2_2->reserved1);
2833 
2834 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2835 		info->ext_disp_conn_info.gu_id[i] =
2836 				info_v2_2->extdispconninfo.guid[i];
2837 	}
2838 
2839 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2840 		info->ext_disp_conn_info.path[i].device_connector_id =
2841 		object_id_from_bios_object_id(
2842 		le16_to_cpu(info_v2_2->extdispconninfo.path[i].connectorobjid));
2843 
2844 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2845 		object_id_from_bios_object_id(
2846 			le16_to_cpu(
2847 			info_v2_2->extdispconninfo.path[i].ext_encoder_objid));
2848 
2849 		info->ext_disp_conn_info.path[i].device_tag =
2850 			le16_to_cpu(
2851 				info_v2_2->extdispconninfo.path[i].device_tag);
2852 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2853 		le16_to_cpu(
2854 			info_v2_2->extdispconninfo.path[i].device_acpi_enum);
2855 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2856 			info_v2_2->extdispconninfo.path[i].auxddclut_index;
2857 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2858 			info_v2_2->extdispconninfo.path[i].hpdlut_index;
2859 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2860 			info_v2_2->extdispconninfo.path[i].channelmapping;
2861 		info->ext_disp_conn_info.path[i].caps =
2862 				le16_to_cpu(info_v2_2->extdispconninfo.path[i].caps);
2863 	}
2864 
2865 	info->ext_disp_conn_info.checksum =
2866 		info_v2_2->extdispconninfo.checksum;
2867 	info->ext_disp_conn_info.fixdpvoltageswing =
2868 		info_v2_2->extdispconninfo.fixdpvoltageswing;
2869 
2870 	info->edp1_info.edp_backlight_pwm_hz =
2871 	le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz);
2872 	info->edp1_info.edp_ss_percentage =
2873 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_percentage);
2874 	info->edp1_info.edp_ss_rate_10hz =
2875 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_rate_10hz);
2876 	info->edp1_info.edp_pwr_on_off_delay =
2877 		info_v2_2->edp1_info.edp_pwr_on_off_delay;
2878 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2879 		info_v2_2->edp1_info.edp_pwr_on_vary_bl_to_blon;
2880 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2881 		info_v2_2->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2882 	info->edp1_info.edp_panel_bpc =
2883 		info_v2_2->edp1_info.edp_panel_bpc;
2884 	info->edp1_info.edp_bootup_bl_level =
2885 
2886 	info->edp2_info.edp_backlight_pwm_hz =
2887 	le16_to_cpu(info_v2_2->edp2_info.edp_backlight_pwm_hz);
2888 	info->edp2_info.edp_ss_percentage =
2889 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_percentage);
2890 	info->edp2_info.edp_ss_rate_10hz =
2891 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_rate_10hz);
2892 	info->edp2_info.edp_pwr_on_off_delay =
2893 		info_v2_2->edp2_info.edp_pwr_on_off_delay;
2894 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2895 		info_v2_2->edp2_info.edp_pwr_on_vary_bl_to_blon;
2896 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2897 		info_v2_2->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2898 	info->edp2_info.edp_panel_bpc =
2899 		info_v2_2->edp2_info.edp_panel_bpc;
2900 	info->edp2_info.edp_bootup_bl_level =
2901 		info_v2_2->edp2_info.edp_bootup_bl_level;
2902 
2903 	return BP_RESULT_OK;
2904 }
2905 
2906 /*
2907  * construct_integrated_info
2908  *
2909  * @brief
2910  * Get integrated BIOS information based on table revision
2911  *
2912  * @param
2913  * bios_parser *bp - [in]BIOS parser handler to get master data table
2914  * integrated_info *info - [out] store and output integrated info
2915  *
2916  * @return
2917  * static enum bp_result - BP_RESULT_OK if information is available,
2918  *                  BP_RESULT_BADBIOSTABLE otherwise.
2919  */
2920 static enum bp_result construct_integrated_info(
2921 	struct bios_parser *bp,
2922 	struct integrated_info *info)
2923 {
2924 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
2925 
2926 	struct atom_common_table_header *header;
2927 	struct atom_data_revision revision;
2928 
2929 	uint32_t i;
2930 	uint32_t j;
2931 
2932 	if (info && DATA_TABLES(integratedsysteminfo)) {
2933 		header = GET_IMAGE(struct atom_common_table_header,
2934 					DATA_TABLES(integratedsysteminfo));
2935 
2936 		get_atom_data_table_revision(header, &revision);
2937 
2938 		switch (revision.major) {
2939 		case 1:
2940 			switch (revision.minor) {
2941 			case 11:
2942 			case 12:
2943 				result = get_integrated_info_v11(bp, info);
2944 				break;
2945 			default:
2946 				return result;
2947 			}
2948 			break;
2949 		case 2:
2950 			switch (revision.minor) {
2951 			case 1:
2952 				result = get_integrated_info_v2_1(bp, info);
2953 				break;
2954 			case 2:
2955 				result = get_integrated_info_v2_2(bp, info);
2956 				break;
2957 			default:
2958 				return result;
2959 			}
2960 			break;
2961 		default:
2962 			return result;
2963 		}
2964 		if (result == BP_RESULT_OK) {
2965 
2966 			DC_LOG_BIOS("edp1:\n"
2967 						"\tedp_pwr_on_off_delay = %d\n"
2968 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2969 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2970 						"\tedp_bootup_bl_level = %d\n",
2971 						info->edp1_info.edp_pwr_on_off_delay,
2972 						info->edp1_info.edp_pwr_on_vary_bl_to_blon,
2973 						info->edp1_info.edp_pwr_down_bloff_to_vary_bloff,
2974 						info->edp1_info.edp_bootup_bl_level);
2975 			DC_LOG_BIOS("edp2:\n"
2976 						"\tedp_pwr_on_off_delayv = %d\n"
2977 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2978 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2979 						"\tedp_bootup_bl_level = %d\n",
2980 						info->edp2_info.edp_pwr_on_off_delay,
2981 						info->edp2_info.edp_pwr_on_vary_bl_to_blon,
2982 						info->edp2_info.edp_pwr_down_bloff_to_vary_bloff,
2983 						info->edp2_info.edp_bootup_bl_level);
2984 		}
2985 	}
2986 
2987 	if (result != BP_RESULT_OK)
2988 		return result;
2989 	else {
2990 		// Log each external path
2991 		for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
2992 			if (info->ext_disp_conn_info.path[i].device_tag != 0)
2993 				DC_LOG_BIOS("integrated_info:For EXTERNAL DISPLAY PATH %d --------------\n"
2994 						"DEVICE_TAG: 0x%x\n"
2995 						"DEVICE_ACPI_ENUM: 0x%x\n"
2996 						"DEVICE_CONNECTOR_ID: 0x%x\n"
2997 						"EXT_AUX_DDC_LUT_INDEX: %d\n"
2998 						"EXT_HPD_PIN_LUT_INDEX: %d\n"
2999 						"EXT_ENCODER_OBJ_ID: 0x%x\n"
3000 						"Encoder CAPS: 0x%x\n",
3001 						i,
3002 						info->ext_disp_conn_info.path[i].device_tag,
3003 						info->ext_disp_conn_info.path[i].device_acpi_enum,
3004 						info->ext_disp_conn_info.path[i].device_connector_id.id,
3005 						info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index,
3006 						info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index,
3007 						info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id,
3008 						info->ext_disp_conn_info.path[i].caps
3009 						);
3010 			if (info->ext_disp_conn_info.path[i].caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)
3011 				DC_LOG_BIOS("BIOS EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3012 			else if (bp->base.ctx->dc->config.force_bios_fixed_vs) {
3013 				info->ext_disp_conn_info.path[i].caps |= EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN;
3014 				DC_LOG_BIOS("driver forced EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3015 			}
3016 		}
3017 		// Log the Checksum and Voltage Swing
3018 		DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n"
3019 					"Integrated info table FIX_DP_VOLTAGE_SWING: %d\n",
3020 					info->ext_disp_conn_info.checksum,
3021 					info->ext_disp_conn_info.fixdpvoltageswing);
3022 		if (bp->base.ctx->dc->config.force_bios_fixed_vs && info->ext_disp_conn_info.fixdpvoltageswing == 0) {
3023 			info->ext_disp_conn_info.fixdpvoltageswing = bp->base.ctx->dc->config.force_bios_fixed_vs & 0xF;
3024 			DC_LOG_BIOS("driver forced fixdpvoltageswing = %d\n", info->ext_disp_conn_info.fixdpvoltageswing);
3025 		}
3026 	}
3027 	/* Sort voltage table from low to high*/
3028 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
3029 		for (j = i; j > 0; --j) {
3030 			if (info->disp_clk_voltage[j].max_supported_clk <
3031 			    info->disp_clk_voltage[j-1].max_supported_clk)
3032 				swap(info->disp_clk_voltage[j-1], info->disp_clk_voltage[j]);
3033 		}
3034 	}
3035 
3036 	return result;
3037 }
3038 
3039 static enum bp_result bios_parser_get_vram_info(
3040 		struct dc_bios *dcb,
3041 		struct dc_vram_info *info)
3042 {
3043 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3044 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
3045 	struct atom_common_table_header *header;
3046 	struct atom_data_revision revision;
3047 
3048 	if (info && DATA_TABLES(vram_info)) {
3049 		header = GET_IMAGE(struct atom_common_table_header,
3050 					DATA_TABLES(vram_info));
3051 
3052 		get_atom_data_table_revision(header, &revision);
3053 
3054 		switch (revision.major) {
3055 		case 2:
3056 			switch (revision.minor) {
3057 			case 3:
3058 				result = get_vram_info_v23(bp, info);
3059 				break;
3060 			case 4:
3061 				result = get_vram_info_v24(bp, info);
3062 				break;
3063 			case 5:
3064 				result = get_vram_info_v25(bp, info);
3065 				break;
3066 			default:
3067 				break;
3068 			}
3069 			break;
3070 
3071 		case 3:
3072 			switch (revision.minor) {
3073 			case 0:
3074 				result = get_vram_info_v30(bp, info);
3075 				break;
3076 			default:
3077 				break;
3078 			}
3079 			break;
3080 
3081 		default:
3082 			return result;
3083 		}
3084 
3085 	}
3086 	return result;
3087 }
3088 
3089 static struct integrated_info *bios_parser_create_integrated_info(
3090 	struct dc_bios *dcb)
3091 {
3092 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3093 	struct integrated_info *info = NULL;
3094 
3095 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
3096 
3097 	if (info == NULL) {
3098 		ASSERT_CRITICAL(0);
3099 		return NULL;
3100 	}
3101 
3102 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
3103 		return info;
3104 
3105 	kfree(info);
3106 
3107 	return NULL;
3108 }
3109 
3110 static enum bp_result update_slot_layout_info(
3111 	struct dc_bios *dcb,
3112 	unsigned int i,
3113 	struct slot_layout_info *slot_layout_info)
3114 {
3115 	unsigned int record_offset;
3116 	unsigned int j;
3117 	struct atom_display_object_path_v2 *object;
3118 	struct atom_bracket_layout_record *record;
3119 	struct atom_common_record_header *record_header;
3120 	static enum bp_result result;
3121 	struct bios_parser *bp;
3122 	struct object_info_table *tbl;
3123 	struct display_object_info_table_v1_4 *v1_4;
3124 
3125 	record = NULL;
3126 	record_header = NULL;
3127 	result = BP_RESULT_NORECORD;
3128 
3129 	bp = BP_FROM_DCB(dcb);
3130 	tbl = &bp->object_info_tbl;
3131 	v1_4 = tbl->v1_4;
3132 
3133 	object = &v1_4->display_path[i];
3134 	record_offset = (unsigned int)
3135 		(object->disp_recordoffset) +
3136 		(unsigned int)(bp->object_info_tbl_offset);
3137 
3138 	for (;;) {
3139 
3140 		record_header = (struct atom_common_record_header *)
3141 			GET_IMAGE(struct atom_common_record_header,
3142 			record_offset);
3143 		if (record_header == NULL) {
3144 			result = BP_RESULT_BADBIOSTABLE;
3145 			break;
3146 		}
3147 
3148 		/* the end of the list */
3149 		if (record_header->record_type == 0xff ||
3150 			record_header->record_size == 0)	{
3151 			break;
3152 		}
3153 
3154 		if (record_header->record_type ==
3155 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
3156 			sizeof(struct atom_bracket_layout_record)
3157 			<= record_header->record_size) {
3158 			record = (struct atom_bracket_layout_record *)
3159 				(record_header);
3160 			result = BP_RESULT_OK;
3161 			break;
3162 		}
3163 
3164 		record_offset += record_header->record_size;
3165 	}
3166 
3167 	/* return if the record not found */
3168 	if (result != BP_RESULT_OK)
3169 		return result;
3170 
3171 	/* get slot sizes */
3172 	slot_layout_info->length = record->bracketlen;
3173 	slot_layout_info->width = record->bracketwidth;
3174 
3175 	/* get info for each connector in the slot */
3176 	slot_layout_info->num_of_connectors = record->conn_num;
3177 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
3178 		slot_layout_info->connectors[j].connector_type =
3179 			(enum connector_layout_type)
3180 			(record->conn_info[j].connector_type);
3181 		switch (record->conn_info[j].connector_type) {
3182 		case CONNECTOR_TYPE_DVI_D:
3183 			slot_layout_info->connectors[j].connector_type =
3184 				CONNECTOR_LAYOUT_TYPE_DVI_D;
3185 			slot_layout_info->connectors[j].length =
3186 				CONNECTOR_SIZE_DVI;
3187 			break;
3188 
3189 		case CONNECTOR_TYPE_HDMI:
3190 			slot_layout_info->connectors[j].connector_type =
3191 				CONNECTOR_LAYOUT_TYPE_HDMI;
3192 			slot_layout_info->connectors[j].length =
3193 				CONNECTOR_SIZE_HDMI;
3194 			break;
3195 
3196 		case CONNECTOR_TYPE_DISPLAY_PORT:
3197 			slot_layout_info->connectors[j].connector_type =
3198 				CONNECTOR_LAYOUT_TYPE_DP;
3199 			slot_layout_info->connectors[j].length =
3200 				CONNECTOR_SIZE_DP;
3201 			break;
3202 
3203 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
3204 			slot_layout_info->connectors[j].connector_type =
3205 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
3206 			slot_layout_info->connectors[j].length =
3207 				CONNECTOR_SIZE_MINI_DP;
3208 			break;
3209 
3210 		default:
3211 			slot_layout_info->connectors[j].connector_type =
3212 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3213 			slot_layout_info->connectors[j].length =
3214 				CONNECTOR_SIZE_UNKNOWN;
3215 		}
3216 
3217 		slot_layout_info->connectors[j].position =
3218 			record->conn_info[j].position;
3219 		slot_layout_info->connectors[j].connector_id =
3220 			object_id_from_bios_object_id(
3221 				record->conn_info[j].connectorobjid);
3222 	}
3223 	return result;
3224 }
3225 
3226 static enum bp_result update_slot_layout_info_v2(
3227 	struct dc_bios *dcb,
3228 	unsigned int i,
3229 	struct slot_layout_info *slot_layout_info)
3230 {
3231 	unsigned int record_offset;
3232 	struct atom_display_object_path_v3 *object;
3233 	struct atom_bracket_layout_record_v2 *record;
3234 	struct atom_common_record_header *record_header;
3235 	static enum bp_result result;
3236 	struct bios_parser *bp;
3237 	struct object_info_table *tbl;
3238 	struct display_object_info_table_v1_5 *v1_5;
3239 	struct graphics_object_id connector_id;
3240 
3241 	record = NULL;
3242 	record_header = NULL;
3243 	result = BP_RESULT_NORECORD;
3244 
3245 	bp = BP_FROM_DCB(dcb);
3246 	tbl = &bp->object_info_tbl;
3247 	v1_5 = tbl->v1_5;
3248 
3249 	object = &v1_5->display_path[i];
3250 	record_offset = (unsigned int)
3251 		(object->disp_recordoffset) +
3252 		(unsigned int)(bp->object_info_tbl_offset);
3253 
3254 	for (;;) {
3255 
3256 		record_header = (struct atom_common_record_header *)
3257 			GET_IMAGE(struct atom_common_record_header,
3258 			record_offset);
3259 		if (record_header == NULL) {
3260 			result = BP_RESULT_BADBIOSTABLE;
3261 			break;
3262 		}
3263 
3264 		/* the end of the list */
3265 		if (record_header->record_type == ATOM_RECORD_END_TYPE ||
3266 			record_header->record_size == 0)	{
3267 			break;
3268 		}
3269 
3270 		if (record_header->record_type ==
3271 			ATOM_BRACKET_LAYOUT_V2_RECORD_TYPE &&
3272 			sizeof(struct atom_bracket_layout_record_v2)
3273 			<= record_header->record_size) {
3274 			record = (struct atom_bracket_layout_record_v2 *)
3275 				(record_header);
3276 			result = BP_RESULT_OK;
3277 			break;
3278 		}
3279 
3280 		record_offset += record_header->record_size;
3281 	}
3282 
3283 	/* return if the record not found */
3284 	if (result != BP_RESULT_OK)
3285 		return result;
3286 
3287 	/* get slot sizes */
3288 	connector_id = object_id_from_bios_object_id(object->display_objid);
3289 
3290 	slot_layout_info->length = record->bracketlen;
3291 	slot_layout_info->width = record->bracketwidth;
3292 	slot_layout_info->num_of_connectors = v1_5->number_of_path;
3293 	slot_layout_info->connectors[i].position = record->conn_num;
3294 	slot_layout_info->connectors[i].connector_id = connector_id;
3295 
3296 	switch (connector_id.id) {
3297 	case CONNECTOR_ID_SINGLE_LINK_DVID:
3298 	case CONNECTOR_ID_DUAL_LINK_DVID:
3299 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DVI_D;
3300 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DVI;
3301 		break;
3302 
3303 	case CONNECTOR_ID_HDMI_TYPE_A:
3304 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_HDMI;
3305 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_HDMI;
3306 		break;
3307 
3308 	case CONNECTOR_ID_DISPLAY_PORT:
3309 	case CONNECTOR_ID_USBC:
3310 		if (record->mini_type == MINI_TYPE_NORMAL) {
3311 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DP;
3312 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DP;
3313 		} else {
3314 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_MINI_DP;
3315 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_MINI_DP;
3316 		}
3317 		break;
3318 
3319 	default:
3320 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3321 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_UNKNOWN;
3322 	}
3323 	return result;
3324 }
3325 
3326 static enum bp_result get_bracket_layout_record(
3327 	struct dc_bios *dcb,
3328 	unsigned int bracket_layout_id,
3329 	struct slot_layout_info *slot_layout_info)
3330 {
3331 	unsigned int i;
3332 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3333 	static enum bp_result result;
3334 	struct object_info_table *tbl;
3335 	struct display_object_info_table_v1_4 *v1_4;
3336 	struct display_object_info_table_v1_5 *v1_5;
3337 
3338 	if (slot_layout_info == NULL) {
3339 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
3340 		return BP_RESULT_BADINPUT;
3341 	}
3342 	tbl = &bp->object_info_tbl;
3343 	v1_4 = tbl->v1_4;
3344 	v1_5 = tbl->v1_5;
3345 
3346 	result = BP_RESULT_NORECORD;
3347 	switch (bp->object_info_tbl.revision.minor) {
3348 		case 4:
3349 		default:
3350 			for (i = 0; i < v1_4->number_of_path; ++i)	{
3351 				if (bracket_layout_id ==
3352 					v1_4->display_path[i].display_objid) {
3353 					result = update_slot_layout_info(dcb, i, slot_layout_info);
3354 					break;
3355 				}
3356 			}
3357 		    break;
3358 		case 5:
3359 			for (i = 0; i < v1_5->number_of_path; ++i)
3360 				result = update_slot_layout_info_v2(dcb, i, slot_layout_info);
3361 			break;
3362 	}
3363 	return result;
3364 }
3365 
3366 static enum bp_result bios_get_board_layout_info(
3367 	struct dc_bios *dcb,
3368 	struct board_layout_info *board_layout_info)
3369 {
3370 	unsigned int i;
3371 
3372 	struct bios_parser *bp;
3373 
3374 	static enum bp_result record_result;
3375 	unsigned int max_slots;
3376 
3377 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
3378 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
3379 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
3380 		0, 0
3381 	};
3382 
3383 
3384 	bp = BP_FROM_DCB(dcb);
3385 
3386 	if (board_layout_info == NULL) {
3387 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
3388 		return BP_RESULT_BADINPUT;
3389 	}
3390 
3391 	board_layout_info->num_of_slots = 0;
3392 	max_slots = MAX_BOARD_SLOTS;
3393 
3394 	// Assume single slot on v1_5
3395 	if (bp->object_info_tbl.revision.minor == 5) {
3396 		max_slots = 1;
3397 	}
3398 
3399 	for (i = 0; i < max_slots; ++i) {
3400 		record_result = get_bracket_layout_record(dcb,
3401 			slot_index_to_vbios_id[i],
3402 			&board_layout_info->slots[i]);
3403 
3404 		if (record_result == BP_RESULT_NORECORD && i > 0)
3405 			break; /* no more slots present in bios */
3406 		else if (record_result != BP_RESULT_OK)
3407 			return record_result;  /* fail */
3408 
3409 		++board_layout_info->num_of_slots;
3410 	}
3411 
3412 	/* all data is valid */
3413 	board_layout_info->is_number_of_slots_valid = 1;
3414 	board_layout_info->is_slots_size_valid = 1;
3415 	board_layout_info->is_connector_offsets_valid = 1;
3416 	board_layout_info->is_connector_lengths_valid = 1;
3417 
3418 	return BP_RESULT_OK;
3419 }
3420 
3421 
3422 static uint16_t bios_parser_pack_data_tables(
3423 	struct dc_bios *dcb,
3424 	void *dst)
3425 {
3426 	// TODO: There is data bytes alignment issue, disable it for now.
3427 	return 0;
3428 }
3429 
3430 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
3431 		struct bios_parser *bp,
3432 		uint32_t rev_major,
3433 		uint32_t rev_minor,
3434 		uint16_t *dc_golden_table_ver)
3435 {
3436 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
3437 	uint32_t dc_golden_offset = 0;
3438 	*dc_golden_table_ver = 0;
3439 
3440 	if (!DATA_TABLES(dce_info))
3441 		return NULL;
3442 
3443 	/* ver.4.4 or higher */
3444 	switch (rev_major) {
3445 	case 4:
3446 		switch (rev_minor) {
3447 		case 4:
3448 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
3449 									DATA_TABLES(dce_info));
3450 			if (!disp_cntl_tbl_4_4)
3451 				return NULL;
3452 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
3453 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
3454 			break;
3455 		case 5:
3456 		default:
3457 			/* For atom_display_controller_info_v4_5 there is no need to get golden table from
3458 			 * dc_golden_table_offset as all these fields previously in golden table used for AUX
3459 			 * pre-charge settings are now available directly in atom_display_controller_info_v4_5.
3460 			 */
3461 			break;
3462 		}
3463 		break;
3464 	}
3465 
3466 	if (!dc_golden_offset)
3467 		return NULL;
3468 
3469 	if (*dc_golden_table_ver != 1)
3470 		return NULL;
3471 
3472 	return GET_IMAGE(struct atom_dc_golden_table_v1,
3473 			dc_golden_offset);
3474 }
3475 
3476 static enum bp_result bios_get_atom_dc_golden_table(
3477 	struct dc_bios *dcb)
3478 {
3479 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3480 	enum bp_result result = BP_RESULT_OK;
3481 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
3482 	struct atom_common_table_header *header;
3483 	struct atom_data_revision tbl_revision;
3484 	uint16_t dc_golden_table_ver = 0;
3485 
3486 	header = GET_IMAGE(struct atom_common_table_header,
3487 							DATA_TABLES(dce_info));
3488 	if (!header)
3489 		return BP_RESULT_UNSUPPORTED;
3490 
3491 	get_atom_data_table_revision(header, &tbl_revision);
3492 
3493 	atom_dc_golden_table = bios_get_golden_table(bp,
3494 			tbl_revision.major,
3495 			tbl_revision.minor,
3496 			&dc_golden_table_ver);
3497 
3498 	if (!atom_dc_golden_table)
3499 		return BP_RESULT_UNSUPPORTED;
3500 
3501 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
3502 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
3503 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
3504 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
3505 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
3506 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
3507 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
3508 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
3509 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
3510 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
3511 
3512 	return result;
3513 }
3514 
3515 
3516 static const struct dc_vbios_funcs vbios_funcs = {
3517 	.get_connectors_number = bios_parser_get_connectors_number,
3518 
3519 	.get_connector_id = bios_parser_get_connector_id,
3520 
3521 	.get_src_obj = bios_parser_get_src_obj,
3522 
3523 	.get_i2c_info = bios_parser_get_i2c_info,
3524 
3525 	.get_hpd_info = bios_parser_get_hpd_info,
3526 
3527 	.get_device_tag = bios_parser_get_device_tag,
3528 
3529 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
3530 
3531 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
3532 
3533 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
3534 
3535 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
3536 
3537 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
3538 
3539 	.is_device_id_supported = bios_parser_is_device_id_supported,
3540 
3541 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
3542 
3543 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
3544 
3545 
3546 /*	 COMMANDS */
3547 	.encoder_control = bios_parser_encoder_control,
3548 
3549 	.transmitter_control = bios_parser_transmitter_control,
3550 
3551 	.enable_crtc = bios_parser_enable_crtc,
3552 
3553 	.set_pixel_clock = bios_parser_set_pixel_clock,
3554 
3555 	.set_dce_clock = bios_parser_set_dce_clock,
3556 
3557 	.program_crtc_timing = bios_parser_program_crtc_timing,
3558 
3559 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
3560 
3561 	.bios_parser_destroy = firmware_parser_destroy,
3562 
3563 	.get_board_layout_info = bios_get_board_layout_info,
3564 	/* TODO: use this fn in hw init?*/
3565 	.pack_data_tables = bios_parser_pack_data_tables,
3566 
3567 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
3568 
3569 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
3570 
3571 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
3572 
3573 	.get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
3574 
3575 	.get_lttpr_caps = bios_parser_get_lttpr_caps,
3576 
3577 	.get_lttpr_interop = bios_parser_get_lttpr_interop,
3578 
3579 	.get_connector_speed_cap_info = bios_parser_get_connector_speed_cap_info,
3580 };
3581 
3582 static bool bios_parser2_construct(
3583 	struct bios_parser *bp,
3584 	struct bp_init_data *init,
3585 	enum dce_version dce_version)
3586 {
3587 	uint16_t *rom_header_offset = NULL;
3588 	struct atom_rom_header_v2_2 *rom_header = NULL;
3589 	struct display_object_info_table_v1_4 *object_info_tbl;
3590 	struct atom_data_revision tbl_rev = {0};
3591 
3592 	if (!init)
3593 		return false;
3594 
3595 	if (!init->bios)
3596 		return false;
3597 
3598 	bp->base.funcs = &vbios_funcs;
3599 	bp->base.bios = init->bios;
3600 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
3601 
3602 	bp->base.ctx = init->ctx;
3603 
3604 	bp->base.bios_local_image = NULL;
3605 
3606 	rom_header_offset =
3607 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
3608 
3609 	if (!rom_header_offset)
3610 		return false;
3611 
3612 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
3613 
3614 	if (!rom_header)
3615 		return false;
3616 
3617 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
3618 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
3619 		return false;
3620 
3621 	bp->master_data_tbl =
3622 		GET_IMAGE(struct atom_master_data_table_v2_1,
3623 				rom_header->masterdatatable_offset);
3624 
3625 	if (!bp->master_data_tbl)
3626 		return false;
3627 
3628 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
3629 
3630 	if (!bp->object_info_tbl_offset)
3631 		return false;
3632 
3633 	object_info_tbl =
3634 			GET_IMAGE(struct display_object_info_table_v1_4,
3635 						bp->object_info_tbl_offset);
3636 
3637 	if (!object_info_tbl)
3638 		return false;
3639 
3640 	get_atom_data_table_revision(&object_info_tbl->table_header,
3641 		&bp->object_info_tbl.revision);
3642 
3643 	if (bp->object_info_tbl.revision.major == 1
3644 		&& bp->object_info_tbl.revision.minor == 4) {
3645 		struct display_object_info_table_v1_4 *tbl_v1_4;
3646 
3647 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
3648 			bp->object_info_tbl_offset);
3649 		if (!tbl_v1_4)
3650 			return false;
3651 
3652 		bp->object_info_tbl.v1_4 = tbl_v1_4;
3653 	} else if (bp->object_info_tbl.revision.major == 1
3654 		&& bp->object_info_tbl.revision.minor == 5) {
3655 		struct display_object_info_table_v1_5 *tbl_v1_5;
3656 
3657 		tbl_v1_5 = GET_IMAGE(struct display_object_info_table_v1_5,
3658 			bp->object_info_tbl_offset);
3659 		if (!tbl_v1_5)
3660 			return false;
3661 
3662 		bp->object_info_tbl.v1_5 = tbl_v1_5;
3663 	} else {
3664 		ASSERT(0);
3665 		return false;
3666 	}
3667 
3668 	dal_firmware_parser_init_cmd_tbl(bp);
3669 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
3670 
3671 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
3672 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
3673 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
3674 
3675 	return true;
3676 }
3677 
3678 struct dc_bios *firmware_parser_create(
3679 	struct bp_init_data *init,
3680 	enum dce_version dce_version)
3681 {
3682 	struct bios_parser *bp = NULL;
3683 
3684 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
3685 	if (!bp)
3686 		return NULL;
3687 
3688 	if (bios_parser2_construct(bp, init, dce_version))
3689 		return &bp->base;
3690 
3691 	kfree(bp);
3692 	return NULL;
3693 }
3694 
3695 
3696