1 /*
2  * Copyright 2012-15 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #include "dm_services.h"
27 #include "core_types.h"
28 
29 #include "ObjectID.h"
30 #include "atomfirmware.h"
31 
32 #include "dc_bios_types.h"
33 #include "include/grph_object_ctrl_defs.h"
34 #include "include/bios_parser_interface.h"
35 #include "include/logger_interface.h"
36 
37 #include "command_table2.h"
38 
39 #include "bios_parser_helper.h"
40 #include "command_table_helper2.h"
41 #include "bios_parser2.h"
42 #include "bios_parser_types_internal2.h"
43 #include "bios_parser_interface.h"
44 
45 #include "bios_parser_common.h"
46 
47 #define DC_LOGGER \
48 	bp->base.ctx->logger
49 
50 #define LAST_RECORD_TYPE 0xff
51 #define SMU9_SYSPLL0_ID  0
52 
53 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
54 	struct atom_i2c_record *record,
55 	struct graphics_object_i2c_info *info);
56 
57 static enum bp_result bios_parser_get_firmware_info(
58 	struct dc_bios *dcb,
59 	struct dc_firmware_info *info);
60 
61 static enum bp_result bios_parser_get_encoder_cap_info(
62 	struct dc_bios *dcb,
63 	struct graphics_object_id object_id,
64 	struct bp_encoder_cap_info *info);
65 
66 static enum bp_result get_firmware_info_v3_1(
67 	struct bios_parser *bp,
68 	struct dc_firmware_info *info);
69 
70 static enum bp_result get_firmware_info_v3_2(
71 	struct bios_parser *bp,
72 	struct dc_firmware_info *info);
73 
74 static enum bp_result get_firmware_info_v3_4(
75 	struct bios_parser *bp,
76 	struct dc_firmware_info *info);
77 
78 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
79 		struct atom_display_object_path_v2 *object);
80 
81 static struct atom_encoder_caps_record *get_encoder_cap_record(
82 	struct bios_parser *bp,
83 	struct atom_display_object_path_v2 *object);
84 
85 #define BIOS_IMAGE_SIZE_OFFSET 2
86 #define BIOS_IMAGE_SIZE_UNIT 512
87 
88 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
89 
90 static void bios_parser2_destruct(struct bios_parser *bp)
91 {
92 	kfree(bp->base.bios_local_image);
93 	kfree(bp->base.integrated_info);
94 }
95 
96 static void firmware_parser_destroy(struct dc_bios **dcb)
97 {
98 	struct bios_parser *bp = BP_FROM_DCB(*dcb);
99 
100 	if (!bp) {
101 		BREAK_TO_DEBUGGER();
102 		return;
103 	}
104 
105 	bios_parser2_destruct(bp);
106 
107 	kfree(bp);
108 	*dcb = NULL;
109 }
110 
111 static void get_atom_data_table_revision(
112 	struct atom_common_table_header *atom_data_tbl,
113 	struct atom_data_revision *tbl_revision)
114 {
115 	if (!tbl_revision)
116 		return;
117 
118 	/* initialize the revision to 0 which is invalid revision */
119 	tbl_revision->major = 0;
120 	tbl_revision->minor = 0;
121 
122 	if (!atom_data_tbl)
123 		return;
124 
125 	tbl_revision->major =
126 			(uint32_t) atom_data_tbl->format_revision & 0x3f;
127 	tbl_revision->minor =
128 			(uint32_t) atom_data_tbl->content_revision & 0x3f;
129 }
130 
131 /* BIOS oject table displaypath is per connector.
132  * There is extra path not for connector. BIOS fill its encoderid as 0
133  */
134 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
135 {
136 	struct bios_parser *bp = BP_FROM_DCB(dcb);
137 	unsigned int count = 0;
138 	unsigned int i;
139 
140 	switch (bp->object_info_tbl.revision.minor) {
141 	default:
142 	case 4:
143 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++)
144 			if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
145 				count++;
146 
147 		break;
148 
149 	case 5:
150 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++)
151 			if (bp->object_info_tbl.v1_5->display_path[i].encoderobjid != 0)
152 				count++;
153 
154 		break;
155 	}
156 	return count;
157 }
158 
159 static struct graphics_object_id bios_parser_get_connector_id(
160 	struct dc_bios *dcb,
161 	uint8_t i)
162 {
163 	struct bios_parser *bp = BP_FROM_DCB(dcb);
164 	struct graphics_object_id object_id = dal_graphics_object_id_init(
165 		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
166 	struct object_info_table *tbl = &bp->object_info_tbl;
167 	struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
168 
169 	struct display_object_info_table_v1_5 *v1_5 = tbl->v1_5;
170 
171 	switch (bp->object_info_tbl.revision.minor) {
172 	default:
173 	case 4:
174 		if (v1_4->number_of_path > i) {
175 			/* If display_objid is generic object id,  the encoderObj
176 			 * /extencoderobjId should be 0
177 			 */
178 			if (v1_4->display_path[i].encoderobjid != 0 &&
179 			    v1_4->display_path[i].display_objid != 0)
180 				object_id = object_id_from_bios_object_id(
181 					v1_4->display_path[i].display_objid);
182 		}
183 		break;
184 
185 	case 5:
186 		if (v1_5->number_of_path > i) {
187 			/* If display_objid is generic object id,  the encoderObjId
188 		 * should be 0
189 		 */
190 			if (v1_5->display_path[i].encoderobjid != 0 &&
191 			    v1_5->display_path[i].display_objid != 0)
192 				object_id = object_id_from_bios_object_id(
193 					v1_5->display_path[i].display_objid);
194 		}
195 		break;
196 	}
197 	return object_id;
198 }
199 
200 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
201 	struct graphics_object_id object_id, uint32_t index,
202 	struct graphics_object_id *src_object_id)
203 {
204 	struct bios_parser *bp = BP_FROM_DCB(dcb);
205 	unsigned int i;
206 	enum bp_result bp_result = BP_RESULT_BADINPUT;
207 	struct graphics_object_id obj_id = { 0 };
208 	struct object_info_table *tbl = &bp->object_info_tbl;
209 
210 	if (!src_object_id)
211 		return bp_result;
212 
213 	switch (object_id.type) {
214 	/* Encoder's Source is GPU.  BIOS does not provide GPU, since all
215 	 * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
216 	 */
217 	case OBJECT_TYPE_ENCODER:
218 		/* TODO: since num of src must be less than 2.
219 		 * If found in for loop, should break.
220 		 * DAL2 implementation may be changed too
221 		 */
222 		switch (bp->object_info_tbl.revision.minor) {
223 		default:
224 		case 4:
225 			for (i = 0; i < tbl->v1_4->number_of_path; i++) {
226 				obj_id = object_id_from_bios_object_id(
227 					tbl->v1_4->display_path[i].encoderobjid);
228 				if (object_id.type == obj_id.type &&
229 				    object_id.id == obj_id.id &&
230 				    object_id.enum_id == obj_id.enum_id) {
231 					*src_object_id =
232 						object_id_from_bios_object_id(
233 							0x1100);
234 					/* break; */
235 				}
236 			}
237 			bp_result = BP_RESULT_OK;
238 			break;
239 
240 		case 5:
241 			for (i = 0; i < tbl->v1_5->number_of_path; i++) {
242 				obj_id = object_id_from_bios_object_id(
243 					tbl->v1_5->display_path[i].encoderobjid);
244 				if (object_id.type == obj_id.type &&
245 				    object_id.id == obj_id.id &&
246 				    object_id.enum_id == obj_id.enum_id) {
247 					*src_object_id =
248 						object_id_from_bios_object_id(
249 							0x1100);
250 					/* break; */
251 				}
252 			}
253 			bp_result = BP_RESULT_OK;
254 			break;
255 		}
256 		break;
257 	case OBJECT_TYPE_CONNECTOR:
258 		switch (bp->object_info_tbl.revision.minor) {
259 		default:
260 		case 4:
261 			for (i = 0; i < tbl->v1_4->number_of_path; i++) {
262 				obj_id = object_id_from_bios_object_id(
263 					tbl->v1_4->display_path[i]
264 						.display_objid);
265 
266 				if (object_id.type == obj_id.type &&
267 				    object_id.id == obj_id.id &&
268 				    object_id.enum_id == obj_id.enum_id) {
269 					*src_object_id =
270 						object_id_from_bios_object_id(
271 							tbl->v1_4
272 								->display_path[i]
273 								.encoderobjid);
274 					/* break; */
275 				}
276 			}
277 			bp_result = BP_RESULT_OK;
278 			break;
279 		}
280 		bp_result = BP_RESULT_OK;
281 		break;
282 		case 5:
283 			for (i = 0; i < tbl->v1_5->number_of_path; i++) {
284 				obj_id = object_id_from_bios_object_id(
285 								       tbl->v1_5->display_path[i].display_objid);
286 
287 				if (object_id.type == obj_id.type &&
288 				    object_id.id == obj_id.id &&
289 				    object_id.enum_id == obj_id.enum_id) {
290 					*src_object_id = object_id_from_bios_object_id(
291 										       tbl->v1_5->display_path[i].encoderobjid);
292 					/* break; */
293 				}
294 			}
295 		bp_result = BP_RESULT_OK;
296 		break;
297 
298 	default:
299 		bp_result = BP_RESULT_OK;
300 		break;
301 	}
302 
303 	return bp_result;
304 }
305 
306 /* from graphics_object_id, find display path which includes the object_id */
307 static struct atom_display_object_path_v2 *get_bios_object(
308 		struct bios_parser *bp,
309 		struct graphics_object_id id)
310 {
311 	unsigned int i;
312 	struct graphics_object_id obj_id = {0};
313 
314 	switch (id.type) {
315 	case OBJECT_TYPE_ENCODER:
316 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
317 			obj_id = object_id_from_bios_object_id(
318 					bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
319 			if (id.type == obj_id.type && id.id == obj_id.id
320 					&& id.enum_id == obj_id.enum_id)
321 				return &bp->object_info_tbl.v1_4->display_path[i];
322 		}
323 		fallthrough;
324 	case OBJECT_TYPE_CONNECTOR:
325 	case OBJECT_TYPE_GENERIC:
326 		/* Both Generic and Connector Object ID
327 		 * will be stored on display_objid
328 		 */
329 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
330 			obj_id = object_id_from_bios_object_id(
331 					bp->object_info_tbl.v1_4->display_path[i].display_objid);
332 			if (id.type == obj_id.type && id.id == obj_id.id
333 					&& id.enum_id == obj_id.enum_id)
334 				return &bp->object_info_tbl.v1_4->display_path[i];
335 		}
336 		fallthrough;
337 	default:
338 		return NULL;
339 	}
340 }
341 
342 /* from graphics_object_id, find display path which includes the object_id */
343 static struct atom_display_object_path_v3 *get_bios_object_from_path_v3(struct bios_parser *bp,
344 									struct graphics_object_id id)
345 {
346 	unsigned int i;
347 	struct graphics_object_id obj_id = {0};
348 
349 	switch (id.type) {
350 	case OBJECT_TYPE_ENCODER:
351 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
352 			obj_id = object_id_from_bios_object_id(
353 					bp->object_info_tbl.v1_5->display_path[i].encoderobjid);
354 			if (id.type == obj_id.type && id.id == obj_id.id
355 					&& id.enum_id == obj_id.enum_id)
356 				return &bp->object_info_tbl.v1_5->display_path[i];
357 		}
358 	break;
359 
360 	case OBJECT_TYPE_CONNECTOR:
361 	case OBJECT_TYPE_GENERIC:
362 		/* Both Generic and Connector Object ID
363 		 * will be stored on display_objid
364 		 */
365 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
366 			obj_id = object_id_from_bios_object_id(
367 					bp->object_info_tbl.v1_5->display_path[i].display_objid);
368 			if (id.type == obj_id.type && id.id == obj_id.id
369 					&& id.enum_id == obj_id.enum_id)
370 				return &bp->object_info_tbl.v1_5->display_path[i];
371 		}
372 	break;
373 
374 	default:
375 		return NULL;
376 	}
377 
378 	return NULL;
379 }
380 
381 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
382 	struct graphics_object_id id,
383 	struct graphics_object_i2c_info *info)
384 {
385 	uint32_t offset;
386 	struct atom_display_object_path_v2 *object;
387 
388 	struct atom_display_object_path_v3 *object_path_v3;
389 
390 	struct atom_common_record_header *header;
391 	struct atom_i2c_record *record;
392 	struct atom_i2c_record dummy_record = {0};
393 	struct bios_parser *bp = BP_FROM_DCB(dcb);
394 
395 	if (!info)
396 		return BP_RESULT_BADINPUT;
397 
398 	if (id.type == OBJECT_TYPE_GENERIC) {
399 		dummy_record.i2c_id = id.id;
400 
401 		if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
402 			return BP_RESULT_OK;
403 		else
404 			return BP_RESULT_NORECORD;
405 	}
406 
407 	switch (bp->object_info_tbl.revision.minor) {
408 	case 4:
409 	default:
410 		object = get_bios_object(bp, id);
411 
412 		if (!object)
413 			return BP_RESULT_BADINPUT;
414 
415 		offset = object->disp_recordoffset + bp->object_info_tbl_offset;
416 		break;
417 	case 5:
418 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
419 
420 		if (!object_path_v3)
421 			return BP_RESULT_BADINPUT;
422 
423 		offset = object_path_v3->disp_recordoffset + bp->object_info_tbl_offset;
424 		break;
425 	}
426 
427 	for (;;) {
428 		header = GET_IMAGE(struct atom_common_record_header, offset);
429 
430 		if (!header)
431 			return BP_RESULT_BADBIOSTABLE;
432 
433 		if (header->record_type == LAST_RECORD_TYPE ||
434 			!header->record_size)
435 			break;
436 
437 		if (header->record_type == ATOM_I2C_RECORD_TYPE
438 			&& sizeof(struct atom_i2c_record) <=
439 							header->record_size) {
440 			/* get the I2C info */
441 			record = (struct atom_i2c_record *) header;
442 
443 			if (get_gpio_i2c_info(bp, record, info) ==
444 								BP_RESULT_OK)
445 				return BP_RESULT_OK;
446 		}
447 
448 		offset += header->record_size;
449 	}
450 
451 	return BP_RESULT_NORECORD;
452 }
453 
454 static enum bp_result get_gpio_i2c_info(
455 	struct bios_parser *bp,
456 	struct atom_i2c_record *record,
457 	struct graphics_object_i2c_info *info)
458 {
459 	struct atom_gpio_pin_lut_v2_1 *header;
460 	uint32_t count = 0;
461 	unsigned int table_index = 0;
462 	bool find_valid = false;
463 	struct atom_gpio_pin_assignment *pin;
464 
465 	if (!info)
466 		return BP_RESULT_BADINPUT;
467 
468 	/* get the GPIO_I2C info */
469 	if (!DATA_TABLES(gpio_pin_lut))
470 		return BP_RESULT_BADBIOSTABLE;
471 
472 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
473 					DATA_TABLES(gpio_pin_lut));
474 	if (!header)
475 		return BP_RESULT_BADBIOSTABLE;
476 
477 	if (sizeof(struct atom_common_table_header) +
478 			sizeof(struct atom_gpio_pin_assignment)	>
479 			le16_to_cpu(header->table_header.structuresize))
480 		return BP_RESULT_BADBIOSTABLE;
481 
482 	/* TODO: is version change? */
483 	if (header->table_header.content_revision != 1)
484 		return BP_RESULT_UNSUPPORTED;
485 
486 	/* get data count */
487 	count = (le16_to_cpu(header->table_header.structuresize)
488 			- sizeof(struct atom_common_table_header))
489 				/ sizeof(struct atom_gpio_pin_assignment);
490 
491 	pin = (struct atom_gpio_pin_assignment *) header->gpio_pin;
492 
493 	for (table_index = 0; table_index < count; table_index++) {
494 		if (((record->i2c_id & I2C_HW_CAP) 				== (pin->gpio_id & I2C_HW_CAP)) &&
495 		    ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)	== (pin->gpio_id & I2C_HW_ENGINE_ID_MASK)) &&
496 		    ((record->i2c_id & I2C_HW_LANE_MUX) 		== (pin->gpio_id & I2C_HW_LANE_MUX))) {
497 			/* still valid */
498 			find_valid = true;
499 			break;
500 		}
501 		pin = (struct atom_gpio_pin_assignment *)((uint8_t *)pin + sizeof(struct atom_gpio_pin_assignment));
502 	}
503 
504 	/* If we don't find the entry that we are looking for then
505 	 *  we will return BP_Result_BadBiosTable.
506 	 */
507 	if (find_valid == false)
508 		return BP_RESULT_BADBIOSTABLE;
509 
510 	/* get the GPIO_I2C_INFO */
511 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
512 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
513 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
514 	info->i2c_slave_address = record->i2c_slave_addr;
515 
516 	/* TODO: check how to get register offset for en, Y, etc. */
517 	info->gpio_info.clk_a_register_index = le16_to_cpu(pin->data_a_reg_index);
518 	info->gpio_info.clk_a_shift = pin->gpio_bitshift;
519 
520 	return BP_RESULT_OK;
521 }
522 
523 static struct atom_hpd_int_record *get_hpd_record_for_path_v3(struct bios_parser *bp,
524 							      struct atom_display_object_path_v3 *object)
525 {
526 	struct atom_common_record_header *header;
527 	uint32_t offset;
528 
529 	if (!object) {
530 		BREAK_TO_DEBUGGER(); /* Invalid object */
531 		return NULL;
532 	}
533 
534 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
535 
536 	for (;;) {
537 		header = GET_IMAGE(struct atom_common_record_header, offset);
538 
539 		if (!header)
540 			return NULL;
541 
542 		if (header->record_type == ATOM_RECORD_END_TYPE ||
543 			!header->record_size)
544 			break;
545 
546 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
547 			&& sizeof(struct atom_hpd_int_record) <=
548 							header->record_size)
549 			return (struct atom_hpd_int_record *) header;
550 
551 		offset += header->record_size;
552 	}
553 
554 	return NULL;
555 }
556 
557 static enum bp_result bios_parser_get_hpd_info(
558 	struct dc_bios *dcb,
559 	struct graphics_object_id id,
560 	struct graphics_object_hpd_info *info)
561 {
562 	struct bios_parser *bp = BP_FROM_DCB(dcb);
563 	struct atom_display_object_path_v2 *object;
564 	struct atom_display_object_path_v3 *object_path_v3;
565 	struct atom_hpd_int_record *record = NULL;
566 
567 	if (!info)
568 		return BP_RESULT_BADINPUT;
569 
570 	switch (bp->object_info_tbl.revision.minor) {
571 	case 4:
572 	default:
573 		object = get_bios_object(bp, id);
574 
575 		if (!object)
576 			return BP_RESULT_BADINPUT;
577 
578 		record = get_hpd_record(bp, object);
579 		break;
580 	case 5:
581 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
582 
583 		if (!object_path_v3)
584 			return BP_RESULT_BADINPUT;
585 
586 		record = get_hpd_record_for_path_v3(bp, object_path_v3);
587 		break;
588 	}
589 
590 	if (record != NULL) {
591 		info->hpd_int_gpio_uid = record->pin_id;
592 		info->hpd_active = record->plugin_pin_state;
593 		return BP_RESULT_OK;
594 	}
595 
596 	return BP_RESULT_NORECORD;
597 }
598 
599 static struct atom_hpd_int_record *get_hpd_record(
600 	struct bios_parser *bp,
601 	struct atom_display_object_path_v2 *object)
602 {
603 	struct atom_common_record_header *header;
604 	uint32_t offset;
605 
606 	if (!object) {
607 		BREAK_TO_DEBUGGER(); /* Invalid object */
608 		return NULL;
609 	}
610 
611 	offset = le16_to_cpu(object->disp_recordoffset)
612 			+ bp->object_info_tbl_offset;
613 
614 	for (;;) {
615 		header = GET_IMAGE(struct atom_common_record_header, offset);
616 
617 		if (!header)
618 			return NULL;
619 
620 		if (header->record_type == LAST_RECORD_TYPE ||
621 			!header->record_size)
622 			break;
623 
624 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
625 			&& sizeof(struct atom_hpd_int_record) <=
626 							header->record_size)
627 			return (struct atom_hpd_int_record *) header;
628 
629 		offset += header->record_size;
630 	}
631 
632 	return NULL;
633 }
634 
635 /**
636  * bios_parser_get_gpio_pin_info
637  * Get GpioPin information of input gpio id
638  *
639  * @dcb:     pointer to the DC BIOS
640  * @gpio_id: GPIO ID
641  * @info:    GpioPin information structure
642  * return: Bios parser result code
643  * note:
644  *  to get the GPIO PIN INFO, we need:
645  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
646  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
647  *	to get the registerA  offset/mask
648  */
649 static enum bp_result bios_parser_get_gpio_pin_info(
650 	struct dc_bios *dcb,
651 	uint32_t gpio_id,
652 	struct gpio_pin_info *info)
653 {
654 	struct bios_parser *bp = BP_FROM_DCB(dcb);
655 	struct atom_gpio_pin_lut_v2_1 *header;
656 	uint32_t count = 0;
657 	uint32_t i = 0;
658 
659 	if (!DATA_TABLES(gpio_pin_lut))
660 		return BP_RESULT_BADBIOSTABLE;
661 
662 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
663 						DATA_TABLES(gpio_pin_lut));
664 	if (!header)
665 		return BP_RESULT_BADBIOSTABLE;
666 
667 	if (sizeof(struct atom_common_table_header) +
668 			sizeof(struct atom_gpio_pin_assignment)
669 			> le16_to_cpu(header->table_header.structuresize))
670 		return BP_RESULT_BADBIOSTABLE;
671 
672 	if (header->table_header.content_revision != 1)
673 		return BP_RESULT_UNSUPPORTED;
674 
675 	/* Temporary hard code gpio pin info */
676 	count = (le16_to_cpu(header->table_header.structuresize)
677 			- sizeof(struct atom_common_table_header))
678 				/ sizeof(struct atom_gpio_pin_assignment);
679 	for (i = 0; i < count; ++i) {
680 		if (header->gpio_pin[i].gpio_id != gpio_id)
681 			continue;
682 
683 		info->offset =
684 			(uint32_t) le16_to_cpu(
685 					header->gpio_pin[i].data_a_reg_index);
686 		info->offset_y = info->offset + 2;
687 		info->offset_en = info->offset + 1;
688 		info->offset_mask = info->offset - 1;
689 
690 		info->mask = (uint32_t) (1 <<
691 			header->gpio_pin[i].gpio_bitshift);
692 		info->mask_y = info->mask + 2;
693 		info->mask_en = info->mask + 1;
694 		info->mask_mask = info->mask - 1;
695 
696 		return BP_RESULT_OK;
697 	}
698 
699 	return BP_RESULT_NORECORD;
700 }
701 
702 static struct device_id device_type_from_device_id(uint16_t device_id)
703 {
704 
705 	struct device_id result_device_id;
706 
707 	result_device_id.raw_device_tag = device_id;
708 
709 	switch (device_id) {
710 	case ATOM_DISPLAY_LCD1_SUPPORT:
711 		result_device_id.device_type = DEVICE_TYPE_LCD;
712 		result_device_id.enum_id = 1;
713 		break;
714 
715 	case ATOM_DISPLAY_LCD2_SUPPORT:
716 		result_device_id.device_type = DEVICE_TYPE_LCD;
717 		result_device_id.enum_id = 2;
718 		break;
719 
720 	case ATOM_DISPLAY_DFP1_SUPPORT:
721 		result_device_id.device_type = DEVICE_TYPE_DFP;
722 		result_device_id.enum_id = 1;
723 		break;
724 
725 	case ATOM_DISPLAY_DFP2_SUPPORT:
726 		result_device_id.device_type = DEVICE_TYPE_DFP;
727 		result_device_id.enum_id = 2;
728 		break;
729 
730 	case ATOM_DISPLAY_DFP3_SUPPORT:
731 		result_device_id.device_type = DEVICE_TYPE_DFP;
732 		result_device_id.enum_id = 3;
733 		break;
734 
735 	case ATOM_DISPLAY_DFP4_SUPPORT:
736 		result_device_id.device_type = DEVICE_TYPE_DFP;
737 		result_device_id.enum_id = 4;
738 		break;
739 
740 	case ATOM_DISPLAY_DFP5_SUPPORT:
741 		result_device_id.device_type = DEVICE_TYPE_DFP;
742 		result_device_id.enum_id = 5;
743 		break;
744 
745 	case ATOM_DISPLAY_DFP6_SUPPORT:
746 		result_device_id.device_type = DEVICE_TYPE_DFP;
747 		result_device_id.enum_id = 6;
748 		break;
749 
750 	default:
751 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
752 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
753 		result_device_id.enum_id = 0;
754 	}
755 	return result_device_id;
756 }
757 
758 static enum bp_result bios_parser_get_device_tag(
759 	struct dc_bios *dcb,
760 	struct graphics_object_id connector_object_id,
761 	uint32_t device_tag_index,
762 	struct connector_device_tag_info *info)
763 {
764 	struct bios_parser *bp = BP_FROM_DCB(dcb);
765 	struct atom_display_object_path_v2 *object;
766 
767 	struct atom_display_object_path_v3 *object_path_v3;
768 
769 
770 	if (!info)
771 		return BP_RESULT_BADINPUT;
772 
773 	switch (bp->object_info_tbl.revision.minor) {
774 	case 4:
775 	default:
776 	        /* getBiosObject will return MXM object */
777 		object = get_bios_object(bp, connector_object_id);
778 
779 		if (!object) {
780 			BREAK_TO_DEBUGGER(); /* Invalid object id */
781 			return BP_RESULT_BADINPUT;
782 		}
783 
784 		info->acpi_device = 0; /* BIOS no longer provides this */
785 		info->dev_id = device_type_from_device_id(object->device_tag);
786 		break;
787 	case 5:
788 		object_path_v3 = get_bios_object_from_path_v3(bp, connector_object_id);
789 
790 		if (!object_path_v3) {
791 			BREAK_TO_DEBUGGER(); /* Invalid object id */
792 			return BP_RESULT_BADINPUT;
793 		}
794 		info->acpi_device = 0; /* BIOS no longer provides this */
795 		info->dev_id = device_type_from_device_id(object_path_v3->device_tag);
796 		break;
797 	}
798 
799 	return BP_RESULT_OK;
800 }
801 
802 static enum bp_result get_ss_info_v4_1(
803 	struct bios_parser *bp,
804 	uint32_t id,
805 	uint32_t index,
806 	struct spread_spectrum_info *ss_info)
807 {
808 	enum bp_result result = BP_RESULT_OK;
809 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
810 	struct atom_smu_info_v3_3 *smu_info = NULL;
811 
812 	if (!ss_info)
813 		return BP_RESULT_BADINPUT;
814 
815 	if (!DATA_TABLES(dce_info))
816 		return BP_RESULT_BADBIOSTABLE;
817 
818 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
819 							DATA_TABLES(dce_info));
820 	if (!disp_cntl_tbl)
821 		return BP_RESULT_BADBIOSTABLE;
822 
823 
824 	ss_info->type.STEP_AND_DELAY_INFO = false;
825 	ss_info->spread_percentage_divider = 1000;
826 	/* BIOS no longer uses target clock.  Always enable for now */
827 	ss_info->target_clock_range = 0xffffffff;
828 
829 	switch (id) {
830 	case AS_SIGNAL_TYPE_DVI:
831 		ss_info->spread_spectrum_percentage =
832 				disp_cntl_tbl->dvi_ss_percentage;
833 		ss_info->spread_spectrum_range =
834 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
835 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
836 			ss_info->type.CENTER_MODE = true;
837 
838 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
839 		break;
840 	case AS_SIGNAL_TYPE_HDMI:
841 		ss_info->spread_spectrum_percentage =
842 				disp_cntl_tbl->hdmi_ss_percentage;
843 		ss_info->spread_spectrum_range =
844 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
845 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
846 			ss_info->type.CENTER_MODE = true;
847 
848 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
849 		break;
850 	/* TODO LVDS not support anymore? */
851 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
852 		ss_info->spread_spectrum_percentage =
853 				disp_cntl_tbl->dp_ss_percentage;
854 		ss_info->spread_spectrum_range =
855 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
856 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
857 			ss_info->type.CENTER_MODE = true;
858 
859 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
860 		break;
861 	case AS_SIGNAL_TYPE_GPU_PLL:
862 		/* atom_firmware: DAL only get data from dce_info table.
863 		 * if data within smu_info is needed for DAL, VBIOS should
864 		 * copy it into dce_info
865 		 */
866 		result = BP_RESULT_UNSUPPORTED;
867 		break;
868 	case AS_SIGNAL_TYPE_XGMI:
869 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
870 				      DATA_TABLES(smu_info));
871 		if (!smu_info)
872 			return BP_RESULT_BADBIOSTABLE;
873 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
874 		ss_info->spread_spectrum_percentage =
875 				smu_info->waflclk_ss_percentage;
876 		ss_info->spread_spectrum_range =
877 				smu_info->gpuclk_ss_rate_10hz * 10;
878 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
879 			ss_info->type.CENTER_MODE = true;
880 
881 		DC_LOG_BIOS("AS_SIGNAL_TYPE_XGMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
882 		break;
883 	default:
884 		result = BP_RESULT_UNSUPPORTED;
885 	}
886 
887 	return result;
888 }
889 
890 static enum bp_result get_ss_info_v4_2(
891 	struct bios_parser *bp,
892 	uint32_t id,
893 	uint32_t index,
894 	struct spread_spectrum_info *ss_info)
895 {
896 	enum bp_result result = BP_RESULT_OK;
897 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
898 	struct atom_smu_info_v3_1 *smu_info = NULL;
899 
900 	if (!ss_info)
901 		return BP_RESULT_BADINPUT;
902 
903 	if (!DATA_TABLES(dce_info))
904 		return BP_RESULT_BADBIOSTABLE;
905 
906 	if (!DATA_TABLES(smu_info))
907 		return BP_RESULT_BADBIOSTABLE;
908 
909 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
910 							DATA_TABLES(dce_info));
911 	if (!disp_cntl_tbl)
912 		return BP_RESULT_BADBIOSTABLE;
913 
914 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
915 	if (!smu_info)
916 		return BP_RESULT_BADBIOSTABLE;
917 
918 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
919 	ss_info->type.STEP_AND_DELAY_INFO = false;
920 	ss_info->spread_percentage_divider = 1000;
921 	/* BIOS no longer uses target clock.  Always enable for now */
922 	ss_info->target_clock_range = 0xffffffff;
923 
924 	switch (id) {
925 	case AS_SIGNAL_TYPE_DVI:
926 		ss_info->spread_spectrum_percentage =
927 				disp_cntl_tbl->dvi_ss_percentage;
928 		ss_info->spread_spectrum_range =
929 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
930 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
931 			ss_info->type.CENTER_MODE = true;
932 
933 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
934 		break;
935 	case AS_SIGNAL_TYPE_HDMI:
936 		ss_info->spread_spectrum_percentage =
937 				disp_cntl_tbl->hdmi_ss_percentage;
938 		ss_info->spread_spectrum_range =
939 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
940 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
941 			ss_info->type.CENTER_MODE = true;
942 
943 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
944 		break;
945 	/* TODO LVDS not support anymore? */
946 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
947 		ss_info->spread_spectrum_percentage =
948 				smu_info->gpuclk_ss_percentage;
949 		ss_info->spread_spectrum_range =
950 				smu_info->gpuclk_ss_rate_10hz * 10;
951 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
952 			ss_info->type.CENTER_MODE = true;
953 
954 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
955 		break;
956 	case AS_SIGNAL_TYPE_GPU_PLL:
957 		/* atom_firmware: DAL only get data from dce_info table.
958 		 * if data within smu_info is needed for DAL, VBIOS should
959 		 * copy it into dce_info
960 		 */
961 		result = BP_RESULT_UNSUPPORTED;
962 		break;
963 	default:
964 		result = BP_RESULT_UNSUPPORTED;
965 	}
966 
967 	return result;
968 }
969 
970 static enum bp_result get_ss_info_v4_5(
971 	struct bios_parser *bp,
972 	uint32_t id,
973 	uint32_t index,
974 	struct spread_spectrum_info *ss_info)
975 {
976 	enum bp_result result = BP_RESULT_OK;
977 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
978 
979 	if (!ss_info)
980 		return BP_RESULT_BADINPUT;
981 
982 	if (!DATA_TABLES(dce_info))
983 		return BP_RESULT_BADBIOSTABLE;
984 
985 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
986 							DATA_TABLES(dce_info));
987 	if (!disp_cntl_tbl)
988 		return BP_RESULT_BADBIOSTABLE;
989 
990 	ss_info->type.STEP_AND_DELAY_INFO = false;
991 	ss_info->spread_percentage_divider = 1000;
992 	/* BIOS no longer uses target clock.  Always enable for now */
993 	ss_info->target_clock_range = 0xffffffff;
994 
995 	switch (id) {
996 	case AS_SIGNAL_TYPE_DVI:
997 		ss_info->spread_spectrum_percentage =
998 				disp_cntl_tbl->dvi_ss_percentage;
999 		ss_info->spread_spectrum_range =
1000 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
1001 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1002 			ss_info->type.CENTER_MODE = true;
1003 
1004 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1005 		break;
1006 	case AS_SIGNAL_TYPE_HDMI:
1007 		ss_info->spread_spectrum_percentage =
1008 				disp_cntl_tbl->hdmi_ss_percentage;
1009 		ss_info->spread_spectrum_range =
1010 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
1011 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1012 			ss_info->type.CENTER_MODE = true;
1013 
1014 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1015 		break;
1016 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
1017 		if (bp->base.integrated_info) {
1018 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", bp->base.integrated_info->gpuclk_ss_percentage);
1019 			ss_info->spread_spectrum_percentage =
1020 					bp->base.integrated_info->gpuclk_ss_percentage;
1021 			ss_info->type.CENTER_MODE =
1022 					bp->base.integrated_info->gpuclk_ss_type;
1023 		} else {
1024 			ss_info->spread_spectrum_percentage =
1025 				disp_cntl_tbl->dp_ss_percentage;
1026 			ss_info->spread_spectrum_range =
1027 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
1028 			if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1029 				ss_info->type.CENTER_MODE = true;
1030 		}
1031 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1032 		break;
1033 	case AS_SIGNAL_TYPE_GPU_PLL:
1034 		/* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.
1035 		 * SMU Display PLL supposed to be without spread.
1036 		 * Better place for it would be in atom_display_controller_info_v4_5 table.
1037 		 */
1038 		result = BP_RESULT_UNSUPPORTED;
1039 		break;
1040 	default:
1041 		result = BP_RESULT_UNSUPPORTED;
1042 		break;
1043 	}
1044 
1045 	return result;
1046 }
1047 
1048 /**
1049  * bios_parser_get_spread_spectrum_info
1050  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
1051  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
1052  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
1053  * ver 3.1,
1054  * there is only one entry for each signal /ss id.  However, there is
1055  * no planning of supporting multiple spread Sprectum entry for EverGreen
1056  * @dcb:     pointer to the DC BIOS
1057  * @signal:  ASSignalType to be converted to info index
1058  * @index:   number of entries that match the converted info index
1059  * @ss_info: sprectrum information structure,
1060  * return: Bios parser result code
1061  */
1062 static enum bp_result bios_parser_get_spread_spectrum_info(
1063 	struct dc_bios *dcb,
1064 	enum as_signal_type signal,
1065 	uint32_t index,
1066 	struct spread_spectrum_info *ss_info)
1067 {
1068 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1069 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1070 	struct atom_common_table_header *header;
1071 	struct atom_data_revision tbl_revision;
1072 
1073 	if (!ss_info) /* check for bad input */
1074 		return BP_RESULT_BADINPUT;
1075 
1076 	if (!DATA_TABLES(dce_info))
1077 		return BP_RESULT_UNSUPPORTED;
1078 
1079 	header = GET_IMAGE(struct atom_common_table_header,
1080 						DATA_TABLES(dce_info));
1081 	get_atom_data_table_revision(header, &tbl_revision);
1082 
1083 	switch (tbl_revision.major) {
1084 	case 4:
1085 		switch (tbl_revision.minor) {
1086 		case 1:
1087 			return get_ss_info_v4_1(bp, signal, index, ss_info);
1088 		case 2:
1089 		case 3:
1090 		case 4:
1091 			return get_ss_info_v4_2(bp, signal, index, ss_info);
1092 		case 5:
1093 			return get_ss_info_v4_5(bp, signal, index, ss_info);
1094 
1095 		default:
1096 			ASSERT(0);
1097 			break;
1098 		}
1099 		break;
1100 	default:
1101 		break;
1102 	}
1103 	/* there can not be more then one entry for SS Info table */
1104 	return result;
1105 }
1106 
1107 static enum bp_result get_soc_bb_info_v4_4(
1108 	struct bios_parser *bp,
1109 	struct bp_soc_bb_info *soc_bb_info)
1110 {
1111 	enum bp_result result = BP_RESULT_OK;
1112 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1113 
1114 	if (!soc_bb_info)
1115 		return BP_RESULT_BADINPUT;
1116 
1117 	if (!DATA_TABLES(dce_info))
1118 		return BP_RESULT_BADBIOSTABLE;
1119 
1120 	if (!DATA_TABLES(smu_info))
1121 		return BP_RESULT_BADBIOSTABLE;
1122 
1123 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
1124 							DATA_TABLES(dce_info));
1125 	if (!disp_cntl_tbl)
1126 		return BP_RESULT_BADBIOSTABLE;
1127 
1128 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1129 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1130 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1131 
1132 	return result;
1133 }
1134 
1135 static enum bp_result get_soc_bb_info_v4_5(
1136 	struct bios_parser *bp,
1137 	struct bp_soc_bb_info *soc_bb_info)
1138 {
1139 	enum bp_result result = BP_RESULT_OK;
1140 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1141 
1142 	if (!soc_bb_info)
1143 		return BP_RESULT_BADINPUT;
1144 
1145 	if (!DATA_TABLES(dce_info))
1146 		return BP_RESULT_BADBIOSTABLE;
1147 
1148 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1149 							DATA_TABLES(dce_info));
1150 	if (!disp_cntl_tbl)
1151 		return BP_RESULT_BADBIOSTABLE;
1152 
1153 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1154 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1155 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1156 
1157 	return result;
1158 }
1159 
1160 static enum bp_result bios_parser_get_soc_bb_info(
1161 	struct dc_bios *dcb,
1162 	struct bp_soc_bb_info *soc_bb_info)
1163 {
1164 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1165 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1166 	struct atom_common_table_header *header;
1167 	struct atom_data_revision tbl_revision;
1168 
1169 	if (!soc_bb_info) /* check for bad input */
1170 		return BP_RESULT_BADINPUT;
1171 
1172 	if (!DATA_TABLES(dce_info))
1173 		return BP_RESULT_UNSUPPORTED;
1174 
1175 	header = GET_IMAGE(struct atom_common_table_header,
1176 						DATA_TABLES(dce_info));
1177 	get_atom_data_table_revision(header, &tbl_revision);
1178 
1179 	switch (tbl_revision.major) {
1180 	case 4:
1181 		switch (tbl_revision.minor) {
1182 		case 1:
1183 		case 2:
1184 		case 3:
1185 			break;
1186 		case 4:
1187 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
1188 			break;
1189 		case 5:
1190 			result = get_soc_bb_info_v4_5(bp, soc_bb_info);
1191 			break;
1192 		default:
1193 			break;
1194 		}
1195 		break;
1196 	default:
1197 		break;
1198 	}
1199 
1200 	return result;
1201 }
1202 
1203 static enum bp_result get_disp_caps_v4_1(
1204 	struct bios_parser *bp,
1205 	uint8_t *dce_caps)
1206 {
1207 	enum bp_result result = BP_RESULT_OK;
1208 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
1209 
1210 	if (!dce_caps)
1211 		return BP_RESULT_BADINPUT;
1212 
1213 	if (!DATA_TABLES(dce_info))
1214 		return BP_RESULT_BADBIOSTABLE;
1215 
1216 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_1,
1217 							DATA_TABLES(dce_info));
1218 
1219 	if (!disp_cntl_tbl)
1220 		return BP_RESULT_BADBIOSTABLE;
1221 
1222 	*dce_caps = disp_cntl_tbl->display_caps;
1223 
1224 	return result;
1225 }
1226 
1227 static enum bp_result get_disp_caps_v4_2(
1228 	struct bios_parser *bp,
1229 	uint8_t *dce_caps)
1230 {
1231 	enum bp_result result = BP_RESULT_OK;
1232 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
1233 
1234 	if (!dce_caps)
1235 		return BP_RESULT_BADINPUT;
1236 
1237 	if (!DATA_TABLES(dce_info))
1238 		return BP_RESULT_BADBIOSTABLE;
1239 
1240 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_2,
1241 							DATA_TABLES(dce_info));
1242 
1243 	if (!disp_cntl_tbl)
1244 		return BP_RESULT_BADBIOSTABLE;
1245 
1246 	*dce_caps = disp_cntl_tbl->display_caps;
1247 
1248 	return result;
1249 }
1250 
1251 static enum bp_result get_disp_caps_v4_3(
1252 	struct bios_parser *bp,
1253 	uint8_t *dce_caps)
1254 {
1255 	enum bp_result result = BP_RESULT_OK;
1256 	struct atom_display_controller_info_v4_3 *disp_cntl_tbl = NULL;
1257 
1258 	if (!dce_caps)
1259 		return BP_RESULT_BADINPUT;
1260 
1261 	if (!DATA_TABLES(dce_info))
1262 		return BP_RESULT_BADBIOSTABLE;
1263 
1264 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_3,
1265 							DATA_TABLES(dce_info));
1266 
1267 	if (!disp_cntl_tbl)
1268 		return BP_RESULT_BADBIOSTABLE;
1269 
1270 	*dce_caps = disp_cntl_tbl->display_caps;
1271 
1272 	return result;
1273 }
1274 
1275 static enum bp_result get_disp_caps_v4_4(
1276 	struct bios_parser *bp,
1277 	uint8_t *dce_caps)
1278 {
1279 	enum bp_result result = BP_RESULT_OK;
1280 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1281 
1282 	if (!dce_caps)
1283 		return BP_RESULT_BADINPUT;
1284 
1285 	if (!DATA_TABLES(dce_info))
1286 		return BP_RESULT_BADBIOSTABLE;
1287 
1288 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_4,
1289 							DATA_TABLES(dce_info));
1290 
1291 	if (!disp_cntl_tbl)
1292 		return BP_RESULT_BADBIOSTABLE;
1293 
1294 	*dce_caps = disp_cntl_tbl->display_caps;
1295 
1296 	return result;
1297 }
1298 
1299 static enum bp_result get_disp_caps_v4_5(
1300 	struct bios_parser *bp,
1301 	uint8_t *dce_caps)
1302 {
1303 	enum bp_result result = BP_RESULT_OK;
1304 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1305 
1306 	if (!dce_caps)
1307 		return BP_RESULT_BADINPUT;
1308 
1309 	if (!DATA_TABLES(dce_info))
1310 		return BP_RESULT_BADBIOSTABLE;
1311 
1312 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_5,
1313 							DATA_TABLES(dce_info));
1314 
1315 	if (!disp_cntl_tbl)
1316 		return BP_RESULT_BADBIOSTABLE;
1317 
1318 	*dce_caps = disp_cntl_tbl->display_caps;
1319 
1320 	return result;
1321 }
1322 
1323 static enum bp_result bios_parser_get_lttpr_interop(
1324 	struct dc_bios *dcb,
1325 	uint8_t *dce_caps)
1326 {
1327 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1328 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1329 	struct atom_common_table_header *header;
1330 	struct atom_data_revision tbl_revision;
1331 
1332 	if (!DATA_TABLES(dce_info))
1333 		return BP_RESULT_UNSUPPORTED;
1334 
1335 	header = GET_IMAGE(struct atom_common_table_header,
1336 						DATA_TABLES(dce_info));
1337 	get_atom_data_table_revision(header, &tbl_revision);
1338 	switch (tbl_revision.major) {
1339 	case 4:
1340 		switch (tbl_revision.minor) {
1341 		case 1:
1342 			result = get_disp_caps_v4_1(bp, dce_caps);
1343 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1344 			break;
1345 		case 2:
1346 			result = get_disp_caps_v4_2(bp, dce_caps);
1347 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1348 			break;
1349 		case 3:
1350 			result = get_disp_caps_v4_3(bp, dce_caps);
1351 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1352 			break;
1353 		case 4:
1354 			result = get_disp_caps_v4_4(bp, dce_caps);
1355 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1356 			break;
1357 		case 5:
1358 			result = get_disp_caps_v4_5(bp, dce_caps);
1359 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1360 			break;
1361 
1362 		default:
1363 			break;
1364 		}
1365 		break;
1366 	default:
1367 		break;
1368 	}
1369 	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);
1370 	return result;
1371 }
1372 
1373 static enum bp_result bios_parser_get_lttpr_caps(
1374 	struct dc_bios *dcb,
1375 	uint8_t *dce_caps)
1376 {
1377 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1378 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1379 	struct atom_common_table_header *header;
1380 	struct atom_data_revision tbl_revision;
1381 
1382 	if (!DATA_TABLES(dce_info))
1383 		return BP_RESULT_UNSUPPORTED;
1384 
1385 	*dce_caps  = 0;
1386 	header = GET_IMAGE(struct atom_common_table_header,
1387 						DATA_TABLES(dce_info));
1388 	get_atom_data_table_revision(header, &tbl_revision);
1389 	switch (tbl_revision.major) {
1390 	case 4:
1391 		switch (tbl_revision.minor) {
1392 		case 1:
1393 			result = get_disp_caps_v4_1(bp, dce_caps);
1394 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1395 			break;
1396 		case 2:
1397 			result = get_disp_caps_v4_2(bp, dce_caps);
1398 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1399 			break;
1400 		case 3:
1401 			result = get_disp_caps_v4_3(bp, dce_caps);
1402 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1403 			break;
1404 		case 4:
1405 			result = get_disp_caps_v4_4(bp, dce_caps);
1406 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1407 			break;
1408 		case 5:
1409 			result = get_disp_caps_v4_5(bp, dce_caps);
1410 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1411 			break;
1412 		default:
1413 			break;
1414 		}
1415 		break;
1416 	default:
1417 		break;
1418 	}
1419 	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);
1420 	if (dcb->ctx->dc->config.force_bios_enable_lttpr && *dce_caps == 0) {
1421 		*dce_caps = 1;
1422 		DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: forced enabled");
1423 	}
1424 	return result;
1425 }
1426 
1427 static enum bp_result get_embedded_panel_info_v2_1(
1428 		struct bios_parser *bp,
1429 		struct embedded_panel_info *info)
1430 {
1431 	struct lcd_info_v2_1 *lvds;
1432 
1433 	if (!info)
1434 		return BP_RESULT_BADINPUT;
1435 
1436 	if (!DATA_TABLES(lcd_info))
1437 		return BP_RESULT_UNSUPPORTED;
1438 
1439 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1440 
1441 	if (!lvds)
1442 		return BP_RESULT_BADBIOSTABLE;
1443 
1444 	/* TODO: previous vv1_3, should v2_1 */
1445 	if (!((lvds->table_header.format_revision == 2)
1446 			&& (lvds->table_header.content_revision >= 1)))
1447 		return BP_RESULT_UNSUPPORTED;
1448 
1449 	memset(info, 0, sizeof(struct embedded_panel_info));
1450 
1451 	/* We need to convert from 10KHz units into KHz units */
1452 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1453 	/* usHActive does not include borders, according to VBIOS team */
1454 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
1455 	/* usHBlanking_Time includes borders, so we should really be
1456 	 * subtractingborders duing this translation, but LVDS generally
1457 	 * doesn't have borders, so we should be okay leaving this as is for
1458 	 * now.  May need to revisit if we ever have LVDS with borders
1459 	 */
1460 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1461 	/* usVActive does not include borders, according to VBIOS team*/
1462 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
1463 	/* usVBlanking_Time includes borders, so we should really be
1464 	 * subtracting borders duing this translation, but LVDS generally
1465 	 * doesn't have borders, so we should be okay leaving this as is for
1466 	 * now. May need to revisit if we ever have LVDS with borders
1467 	 */
1468 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1469 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1470 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
1471 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1472 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1473 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1474 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1475 
1476 	/* not provided by VBIOS */
1477 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1478 
1479 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1480 			& ATOM_HSYNC_POLARITY);
1481 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1482 			& ATOM_VSYNC_POLARITY);
1483 
1484 	/* not provided by VBIOS */
1485 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1486 
1487 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1488 			& ATOM_H_REPLICATIONBY2);
1489 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1490 			& ATOM_V_REPLICATIONBY2);
1491 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
1492 			& ATOM_COMPOSITESYNC);
1493 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1494 
1495 	/* not provided by VBIOS*/
1496 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1497 	/* not provided by VBIOS*/
1498 	info->ss_id = 0;
1499 
1500 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1501 
1502 	return BP_RESULT_OK;
1503 }
1504 
1505 static enum bp_result bios_parser_get_embedded_panel_info(
1506 		struct dc_bios *dcb,
1507 		struct embedded_panel_info *info)
1508 {
1509 	struct bios_parser
1510 	*bp = BP_FROM_DCB(dcb);
1511 	struct atom_common_table_header *header;
1512 	struct atom_data_revision tbl_revision;
1513 
1514 	if (!DATA_TABLES(lcd_info))
1515 		return BP_RESULT_FAILURE;
1516 
1517 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1518 
1519 	if (!header)
1520 		return BP_RESULT_BADBIOSTABLE;
1521 
1522 	get_atom_data_table_revision(header, &tbl_revision);
1523 
1524 	switch (tbl_revision.major) {
1525 	case 2:
1526 		switch (tbl_revision.minor) {
1527 		case 1:
1528 			return get_embedded_panel_info_v2_1(bp, info);
1529 		default:
1530 			break;
1531 		}
1532 		break;
1533 	default:
1534 		break;
1535 	}
1536 
1537 	return BP_RESULT_FAILURE;
1538 }
1539 
1540 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1541 {
1542 	enum dal_device_type device_type = device_id.device_type;
1543 	uint32_t enum_id = device_id.enum_id;
1544 
1545 	switch (device_type) {
1546 	case DEVICE_TYPE_LCD:
1547 		switch (enum_id) {
1548 		case 1:
1549 			return ATOM_DISPLAY_LCD1_SUPPORT;
1550 		default:
1551 			break;
1552 		}
1553 		break;
1554 	case DEVICE_TYPE_DFP:
1555 		switch (enum_id) {
1556 		case 1:
1557 			return ATOM_DISPLAY_DFP1_SUPPORT;
1558 		case 2:
1559 			return ATOM_DISPLAY_DFP2_SUPPORT;
1560 		case 3:
1561 			return ATOM_DISPLAY_DFP3_SUPPORT;
1562 		case 4:
1563 			return ATOM_DISPLAY_DFP4_SUPPORT;
1564 		case 5:
1565 			return ATOM_DISPLAY_DFP5_SUPPORT;
1566 		case 6:
1567 			return ATOM_DISPLAY_DFP6_SUPPORT;
1568 		default:
1569 			break;
1570 		}
1571 		break;
1572 	default:
1573 		break;
1574 	}
1575 
1576 	/* Unidentified device ID, return empty support mask. */
1577 	return 0;
1578 }
1579 
1580 static bool bios_parser_is_device_id_supported(
1581 	struct dc_bios *dcb,
1582 	struct device_id id)
1583 {
1584 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1585 
1586 	uint32_t mask = get_support_mask_for_device_id(id);
1587 
1588 	switch (bp->object_info_tbl.revision.minor) {
1589 	case 4:
1590 	default:
1591 		return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) & mask) != 0;
1592 		break;
1593 	case 5:
1594 		return (le16_to_cpu(bp->object_info_tbl.v1_5->supporteddevices) & mask) != 0;
1595 		break;
1596 	}
1597 
1598 	return false;
1599 }
1600 
1601 static uint32_t bios_parser_get_ss_entry_number(
1602 	struct dc_bios *dcb,
1603 	enum as_signal_type signal)
1604 {
1605 	/* TODO: DAL2 atomfirmware implementation does not need this.
1606 	 * why DAL3 need this?
1607 	 */
1608 	return 1;
1609 }
1610 
1611 static enum bp_result bios_parser_transmitter_control(
1612 	struct dc_bios *dcb,
1613 	struct bp_transmitter_control *cntl)
1614 {
1615 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1616 
1617 	if (!bp->cmd_tbl.transmitter_control)
1618 		return BP_RESULT_FAILURE;
1619 
1620 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1621 }
1622 
1623 static enum bp_result bios_parser_encoder_control(
1624 	struct dc_bios *dcb,
1625 	struct bp_encoder_control *cntl)
1626 {
1627 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1628 
1629 	if (!bp->cmd_tbl.dig_encoder_control)
1630 		return BP_RESULT_FAILURE;
1631 
1632 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1633 }
1634 
1635 static enum bp_result bios_parser_set_pixel_clock(
1636 	struct dc_bios *dcb,
1637 	struct bp_pixel_clock_parameters *bp_params)
1638 {
1639 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1640 
1641 	if (!bp->cmd_tbl.set_pixel_clock)
1642 		return BP_RESULT_FAILURE;
1643 
1644 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1645 }
1646 
1647 static enum bp_result bios_parser_set_dce_clock(
1648 	struct dc_bios *dcb,
1649 	struct bp_set_dce_clock_parameters *bp_params)
1650 {
1651 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1652 
1653 	if (!bp->cmd_tbl.set_dce_clock)
1654 		return BP_RESULT_FAILURE;
1655 
1656 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1657 }
1658 
1659 static enum bp_result bios_parser_program_crtc_timing(
1660 	struct dc_bios *dcb,
1661 	struct bp_hw_crtc_timing_parameters *bp_params)
1662 {
1663 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1664 
1665 	if (!bp->cmd_tbl.set_crtc_timing)
1666 		return BP_RESULT_FAILURE;
1667 
1668 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1669 }
1670 
1671 static enum bp_result bios_parser_enable_crtc(
1672 	struct dc_bios *dcb,
1673 	enum controller_id id,
1674 	bool enable)
1675 {
1676 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1677 
1678 	if (!bp->cmd_tbl.enable_crtc)
1679 		return BP_RESULT_FAILURE;
1680 
1681 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1682 }
1683 
1684 static enum bp_result bios_parser_enable_disp_power_gating(
1685 	struct dc_bios *dcb,
1686 	enum controller_id controller_id,
1687 	enum bp_pipe_control_action action)
1688 {
1689 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1690 
1691 	if (!bp->cmd_tbl.enable_disp_power_gating)
1692 		return BP_RESULT_FAILURE;
1693 
1694 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1695 		action);
1696 }
1697 
1698 static enum bp_result bios_parser_enable_lvtma_control(
1699 	struct dc_bios *dcb,
1700 	uint8_t uc_pwr_on,
1701 	uint8_t pwrseq_instance,
1702 	uint8_t bypass_panel_control_wait)
1703 {
1704 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1705 
1706 	if (!bp->cmd_tbl.enable_lvtma_control)
1707 		return BP_RESULT_FAILURE;
1708 
1709 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, pwrseq_instance, bypass_panel_control_wait);
1710 }
1711 
1712 static bool bios_parser_is_accelerated_mode(
1713 	struct dc_bios *dcb)
1714 {
1715 	return bios_is_accelerated_mode(dcb);
1716 }
1717 
1718 /**
1719  * bios_parser_set_scratch_critical_state - update critical state bit
1720  *                                          in VBIOS scratch register
1721  *
1722  * @dcb:   pointer to the DC BIO
1723  * @state: set or reset state
1724  */
1725 static void bios_parser_set_scratch_critical_state(
1726 	struct dc_bios *dcb,
1727 	bool state)
1728 {
1729 	bios_set_scratch_critical_state(dcb, state);
1730 }
1731 
1732 static enum bp_result bios_parser_get_firmware_info(
1733 	struct dc_bios *dcb,
1734 	struct dc_firmware_info *info)
1735 {
1736 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1737 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
1738 	struct atom_common_table_header *header;
1739 
1740 	struct atom_data_revision revision;
1741 
1742 	if (info && DATA_TABLES(firmwareinfo)) {
1743 		header = GET_IMAGE(struct atom_common_table_header,
1744 				DATA_TABLES(firmwareinfo));
1745 		get_atom_data_table_revision(header, &revision);
1746 		switch (revision.major) {
1747 		case 3:
1748 			switch (revision.minor) {
1749 			case 1:
1750 				result = get_firmware_info_v3_1(bp, info);
1751 				break;
1752 			case 2:
1753 			case 3:
1754 				result = get_firmware_info_v3_2(bp, info);
1755 				break;
1756 			case 4:
1757 				result = get_firmware_info_v3_4(bp, info);
1758 				break;
1759 			default:
1760 				break;
1761 			}
1762 			break;
1763 		default:
1764 			break;
1765 		}
1766 	}
1767 
1768 	return result;
1769 }
1770 
1771 static enum bp_result get_firmware_info_v3_1(
1772 	struct bios_parser *bp,
1773 	struct dc_firmware_info *info)
1774 {
1775 	struct atom_firmware_info_v3_1 *firmware_info;
1776 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1777 
1778 	if (!info)
1779 		return BP_RESULT_BADINPUT;
1780 
1781 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1782 			DATA_TABLES(firmwareinfo));
1783 
1784 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1785 			DATA_TABLES(dce_info));
1786 
1787 	if (!firmware_info || !dce_info)
1788 		return BP_RESULT_BADBIOSTABLE;
1789 
1790 	memset(info, 0, sizeof(*info));
1791 
1792 	/* Pixel clock pll information. */
1793 	 /* We need to convert from 10KHz units into KHz units */
1794 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1795 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1796 
1797 	 /* 27MHz for Vega10: */
1798 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1799 
1800 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1801 	if (info->pll_info.crystal_frequency == 0)
1802 		info->pll_info.crystal_frequency = 27000;
1803 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1804 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1805 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1806 
1807 	/* Get GPU PLL VCO Clock */
1808 
1809 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1810 		/* VBIOS gives in 10KHz */
1811 		info->smu_gpu_pll_output_freq =
1812 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1813 	}
1814 
1815 	info->oem_i2c_present = false;
1816 
1817 	return BP_RESULT_OK;
1818 }
1819 
1820 static enum bp_result get_firmware_info_v3_2(
1821 	struct bios_parser *bp,
1822 	struct dc_firmware_info *info)
1823 {
1824 	struct atom_firmware_info_v3_2 *firmware_info;
1825 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1826 	struct atom_common_table_header *header;
1827 	struct atom_data_revision revision;
1828 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1829 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1830 
1831 	if (!info)
1832 		return BP_RESULT_BADINPUT;
1833 
1834 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1835 			DATA_TABLES(firmwareinfo));
1836 
1837 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1838 			DATA_TABLES(dce_info));
1839 
1840 	if (!firmware_info || !dce_info)
1841 		return BP_RESULT_BADBIOSTABLE;
1842 
1843 	memset(info, 0, sizeof(*info));
1844 
1845 	header = GET_IMAGE(struct atom_common_table_header,
1846 					DATA_TABLES(smu_info));
1847 	get_atom_data_table_revision(header, &revision);
1848 
1849 	if (revision.minor == 2) {
1850 		/* Vega12 */
1851 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1852 							DATA_TABLES(smu_info));
1853 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_2->gpuclk_ss_percentage);
1854 		if (!smu_info_v3_2)
1855 			return BP_RESULT_BADBIOSTABLE;
1856 
1857 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1858 	} else if (revision.minor == 3) {
1859 		/* Vega20 */
1860 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1861 							DATA_TABLES(smu_info));
1862 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_3->gpuclk_ss_percentage);
1863 		if (!smu_info_v3_3)
1864 			return BP_RESULT_BADBIOSTABLE;
1865 
1866 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1867 	}
1868 
1869 	 // We need to convert from 10KHz units into KHz units.
1870 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1871 
1872 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1873 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1874 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1875 	if (info->pll_info.crystal_frequency == 0) {
1876 		if (revision.minor == 2)
1877 			info->pll_info.crystal_frequency = 27000;
1878 		else if (revision.minor == 3)
1879 			info->pll_info.crystal_frequency = 100000;
1880 	}
1881 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1882 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1883 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1884 
1885 	/* Get GPU PLL VCO Clock */
1886 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1887 		if (revision.minor == 2)
1888 			info->smu_gpu_pll_output_freq =
1889 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1890 		else if (revision.minor == 3)
1891 			info->smu_gpu_pll_output_freq =
1892 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1893 	}
1894 
1895 	if (firmware_info->board_i2c_feature_id == 0x2) {
1896 		info->oem_i2c_present = true;
1897 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1898 	} else {
1899 		info->oem_i2c_present = false;
1900 	}
1901 
1902 	return BP_RESULT_OK;
1903 }
1904 
1905 static enum bp_result get_firmware_info_v3_4(
1906 	struct bios_parser *bp,
1907 	struct dc_firmware_info *info)
1908 {
1909 	struct atom_firmware_info_v3_4 *firmware_info;
1910 	struct atom_common_table_header *header;
1911 	struct atom_data_revision revision;
1912 	struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
1913 	struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
1914 
1915 	struct atom_smu_info_v3_5 *smu_info_v3_5 = NULL;
1916 	struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
1917 	struct atom_smu_info_v4_0 *smu_info_v4_0 = NULL;
1918 
1919 	if (!info)
1920 		return BP_RESULT_BADINPUT;
1921 
1922 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
1923 			DATA_TABLES(firmwareinfo));
1924 
1925 	if (!firmware_info)
1926 		return BP_RESULT_BADBIOSTABLE;
1927 
1928 	memset(info, 0, sizeof(*info));
1929 
1930 	header = GET_IMAGE(struct atom_common_table_header,
1931 					DATA_TABLES(dce_info));
1932 
1933 	get_atom_data_table_revision(header, &revision);
1934 
1935 	switch (revision.major) {
1936 	case 4:
1937 		switch (revision.minor) {
1938 		case 5:
1939 			dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
1940 							DATA_TABLES(dce_info));
1941 
1942 			if (!dce_info_v4_5)
1943 				return BP_RESULT_BADBIOSTABLE;
1944 
1945 			 /* 100MHz expected */
1946 			info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
1947 			info->dp_phy_ref_clk             = dce_info_v4_5->dpphy_refclk_10khz * 10;
1948 			 /* 50MHz expected */
1949 			info->i2c_engine_ref_clk         = dce_info_v4_5->i2c_engine_refclk_10khz * 10;
1950 
1951 			/* For DCN32/321 Display PLL VCO Frequency from dce_info_v4_5 may not be reliable */
1952 			break;
1953 
1954 		case 4:
1955 			dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
1956 							DATA_TABLES(dce_info));
1957 
1958 			if (!dce_info_v4_4)
1959 				return BP_RESULT_BADBIOSTABLE;
1960 
1961 			/* 100MHz expected */
1962 			info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10;
1963 			info->dp_phy_ref_clk             = dce_info_v4_4->dpphy_refclk_10khz * 10;
1964 			/* 50MHz expected */
1965 			info->i2c_engine_ref_clk         = dce_info_v4_4->i2c_engine_refclk_10khz * 10;
1966 
1967 			/* Get SMU Display PLL VCO Frequency in KHz*/
1968 			info->smu_gpu_pll_output_freq =	dce_info_v4_4->dispclk_pll_vco_freq * 10;
1969 			break;
1970 
1971 		default:
1972 			/* should not come here, keep as backup, as was before */
1973 			dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1,
1974 							DATA_TABLES(dce_info));
1975 
1976 			if (!dce_info_v4_1)
1977 				return BP_RESULT_BADBIOSTABLE;
1978 
1979 			info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10;
1980 			info->dp_phy_ref_clk             = dce_info_v4_1->dpphy_refclk_10khz * 10;
1981 			info->i2c_engine_ref_clk         = dce_info_v4_1->i2c_engine_refclk_10khz * 10;
1982 			break;
1983 		}
1984 		break;
1985 
1986 	default:
1987 		ASSERT(0);
1988 		break;
1989 	}
1990 
1991 	header = GET_IMAGE(struct atom_common_table_header,
1992 					DATA_TABLES(smu_info));
1993 	get_atom_data_table_revision(header, &revision);
1994 
1995 	switch (revision.major) {
1996 	case 3:
1997 		switch (revision.minor) {
1998 		case 5:
1999 			smu_info_v3_5 = GET_IMAGE(struct atom_smu_info_v3_5,
2000 							DATA_TABLES(smu_info));
2001 
2002 			if (!smu_info_v3_5)
2003 				return BP_RESULT_BADBIOSTABLE;
2004 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_5->gpuclk_ss_percentage);
2005 			info->default_engine_clk = smu_info_v3_5->bootup_dcefclk_10khz * 10;
2006 			break;
2007 
2008 		default:
2009 			break;
2010 		}
2011 		break;
2012 
2013 	case 4:
2014 		switch (revision.minor) {
2015 		case 0:
2016 			smu_info_v4_0 = GET_IMAGE(struct atom_smu_info_v4_0,
2017 							DATA_TABLES(smu_info));
2018 
2019 			if (!smu_info_v4_0)
2020 				return BP_RESULT_BADBIOSTABLE;
2021 
2022 			/* For DCN32/321 bootup DCFCLK from smu_info_v4_0 may not be reliable */
2023 			break;
2024 
2025 		default:
2026 			break;
2027 		}
2028 		break;
2029 
2030 	default:
2031 		break;
2032 	}
2033 
2034 	 // We need to convert from 10KHz units into KHz units.
2035 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
2036 
2037 	if (firmware_info->board_i2c_feature_id == 0x2) {
2038 		info->oem_i2c_present = true;
2039 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2040 	} else {
2041 		info->oem_i2c_present = false;
2042 	}
2043 
2044 	return BP_RESULT_OK;
2045 }
2046 
2047 static enum bp_result bios_parser_get_encoder_cap_info(
2048 	struct dc_bios *dcb,
2049 	struct graphics_object_id object_id,
2050 	struct bp_encoder_cap_info *info)
2051 {
2052 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2053 	struct atom_display_object_path_v2 *object;
2054 	struct atom_encoder_caps_record *record = NULL;
2055 
2056 	if (!info)
2057 		return BP_RESULT_BADINPUT;
2058 
2059 #if defined(CONFIG_DRM_AMD_DC_FP)
2060 	/* encoder cap record not available in v1_5 */
2061 	if (bp->object_info_tbl.revision.minor == 5)
2062 		return BP_RESULT_NORECORD;
2063 #endif
2064 
2065 	object = get_bios_object(bp, object_id);
2066 
2067 	if (!object)
2068 		return BP_RESULT_BADINPUT;
2069 
2070 	record = get_encoder_cap_record(bp, object);
2071 	if (!record)
2072 		return BP_RESULT_NORECORD;
2073 	DC_LOG_BIOS("record->encodercaps 0x%x for object_id 0x%x", record->encodercaps, object_id.id);
2074 
2075 	info->DP_HBR2_CAP = (record->encodercaps &
2076 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
2077 	info->DP_HBR2_EN = (record->encodercaps &
2078 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
2079 	info->DP_HBR3_EN = (record->encodercaps &
2080 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
2081 	info->HDMI_6GB_EN = (record->encodercaps &
2082 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
2083 	info->IS_DP2_CAPABLE = (record->encodercaps &
2084 			ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
2085 	info->DP_UHBR10_EN = (record->encodercaps &
2086 			ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
2087 	info->DP_UHBR13_5_EN = (record->encodercaps &
2088 			ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
2089 	info->DP_UHBR20_EN = (record->encodercaps &
2090 			ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
2091 	info->DP_IS_USB_C = (record->encodercaps &
2092 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
2093 	DC_LOG_BIOS("\t info->DP_IS_USB_C %d", info->DP_IS_USB_C);
2094 
2095 	return BP_RESULT_OK;
2096 }
2097 
2098 
2099 static struct atom_encoder_caps_record *get_encoder_cap_record(
2100 	struct bios_parser *bp,
2101 	struct atom_display_object_path_v2 *object)
2102 {
2103 	struct atom_common_record_header *header;
2104 	uint32_t offset;
2105 
2106 	if (!object) {
2107 		BREAK_TO_DEBUGGER(); /* Invalid object */
2108 		return NULL;
2109 	}
2110 
2111 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
2112 
2113 	for (;;) {
2114 		header = GET_IMAGE(struct atom_common_record_header, offset);
2115 
2116 		if (!header)
2117 			return NULL;
2118 
2119 		offset += header->record_size;
2120 
2121 		if (header->record_type == LAST_RECORD_TYPE ||
2122 				!header->record_size)
2123 			break;
2124 
2125 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
2126 			continue;
2127 
2128 		if (sizeof(struct atom_encoder_caps_record) <=
2129 							header->record_size)
2130 			return (struct atom_encoder_caps_record *)header;
2131 	}
2132 
2133 	return NULL;
2134 }
2135 
2136 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
2137 	struct bios_parser *bp,
2138 	struct atom_display_object_path_v2 *object)
2139 {
2140 	struct atom_common_record_header *header;
2141 	uint32_t offset;
2142 
2143 	if (!object) {
2144 		BREAK_TO_DEBUGGER(); /* Invalid object */
2145 		return NULL;
2146 	}
2147 
2148 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2149 
2150 	for (;;) {
2151 		header = GET_IMAGE(struct atom_common_record_header, offset);
2152 
2153 		if (!header)
2154 			return NULL;
2155 
2156 		offset += header->record_size;
2157 
2158 		if (header->record_type == LAST_RECORD_TYPE ||
2159 				!header->record_size)
2160 			break;
2161 
2162 		if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
2163 			continue;
2164 
2165 		if (sizeof(struct atom_disp_connector_caps_record) <=
2166 							header->record_size)
2167 			return (struct atom_disp_connector_caps_record *)header;
2168 	}
2169 
2170 	return NULL;
2171 }
2172 
2173 static struct atom_connector_caps_record *get_connector_caps_record(struct bios_parser *bp,
2174 								    struct atom_display_object_path_v3 *object)
2175 {
2176 	struct atom_common_record_header *header;
2177 	uint32_t offset;
2178 
2179 	if (!object) {
2180 		BREAK_TO_DEBUGGER(); /* Invalid object */
2181 		return NULL;
2182 	}
2183 
2184 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2185 
2186 	for (;;) {
2187 		header = GET_IMAGE(struct atom_common_record_header, offset);
2188 
2189 		if (!header)
2190 			return NULL;
2191 
2192 		offset += header->record_size;
2193 
2194 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2195 				!header->record_size)
2196 			break;
2197 
2198 		if (header->record_type != ATOM_CONNECTOR_CAP_RECORD_TYPE)
2199 			continue;
2200 
2201 		if (sizeof(struct atom_connector_caps_record) <= header->record_size)
2202 			return (struct atom_connector_caps_record *)header;
2203 	}
2204 
2205 	return NULL;
2206 }
2207 
2208 static enum bp_result bios_parser_get_disp_connector_caps_info(
2209 	struct dc_bios *dcb,
2210 	struct graphics_object_id object_id,
2211 	struct bp_disp_connector_caps_info *info)
2212 {
2213 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2214 	struct atom_display_object_path_v2 *object;
2215 	struct atom_display_object_path_v3 *object_path_v3;
2216 	struct atom_connector_caps_record *record_path_v3;
2217 	struct atom_disp_connector_caps_record *record = NULL;
2218 
2219 	if (!info)
2220 		return BP_RESULT_BADINPUT;
2221 
2222 	switch (bp->object_info_tbl.revision.minor) {
2223 	case 4:
2224 		default:
2225 			object = get_bios_object(bp, object_id);
2226 
2227 			if (!object)
2228 				return BP_RESULT_BADINPUT;
2229 
2230 			record = get_disp_connector_caps_record(bp, object);
2231 			if (!record)
2232 				return BP_RESULT_NORECORD;
2233 
2234 			info->INTERNAL_DISPLAY =
2235 				(record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) ? 1 : 0;
2236 			info->INTERNAL_DISPLAY_BL =
2237 				(record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) ? 1 : 0;
2238 			break;
2239 	case 5:
2240 		object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2241 
2242 		if (!object_path_v3)
2243 			return BP_RESULT_BADINPUT;
2244 
2245 		record_path_v3 = get_connector_caps_record(bp, object_path_v3);
2246 		if (!record_path_v3)
2247 			return BP_RESULT_NORECORD;
2248 
2249 		info->INTERNAL_DISPLAY = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
2250 									? 1 : 0;
2251 		info->INTERNAL_DISPLAY_BL = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
2252 										? 1 : 0;
2253 		break;
2254 	}
2255 
2256 	return BP_RESULT_OK;
2257 }
2258 
2259 static struct atom_connector_speed_record *get_connector_speed_cap_record(struct bios_parser *bp,
2260 									  struct atom_display_object_path_v3 *object)
2261 {
2262 	struct atom_common_record_header *header;
2263 	uint32_t offset;
2264 
2265 	if (!object) {
2266 		BREAK_TO_DEBUGGER(); /* Invalid object */
2267 		return NULL;
2268 	}
2269 
2270 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2271 
2272 	for (;;) {
2273 		header = GET_IMAGE(struct atom_common_record_header, offset);
2274 
2275 		if (!header)
2276 			return NULL;
2277 
2278 		offset += header->record_size;
2279 
2280 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2281 				!header->record_size)
2282 			break;
2283 
2284 		if (header->record_type != ATOM_CONNECTOR_SPEED_UPTO)
2285 			continue;
2286 
2287 		if (sizeof(struct atom_connector_speed_record) <= header->record_size)
2288 			return (struct atom_connector_speed_record *)header;
2289 	}
2290 
2291 	return NULL;
2292 }
2293 
2294 static enum bp_result bios_parser_get_connector_speed_cap_info(
2295 	struct dc_bios *dcb,
2296 	struct graphics_object_id object_id,
2297 	struct bp_connector_speed_cap_info *info)
2298 {
2299 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2300 	struct atom_display_object_path_v3 *object_path_v3;
2301 	//struct atom_connector_speed_record *record = NULL;
2302 	struct atom_connector_speed_record *record;
2303 
2304 	if (!info)
2305 		return BP_RESULT_BADINPUT;
2306 
2307 	object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2308 
2309 	if (!object_path_v3)
2310 		return BP_RESULT_BADINPUT;
2311 
2312 	record = get_connector_speed_cap_record(bp, object_path_v3);
2313 	if (!record)
2314 		return BP_RESULT_NORECORD;
2315 
2316 	info->DP_HBR2_EN = (record->connector_max_speed >= 5400) ? 1 : 0;
2317 	info->DP_HBR3_EN = (record->connector_max_speed >= 8100) ? 1 : 0;
2318 	info->HDMI_6GB_EN = (record->connector_max_speed >= 5940) ? 1 : 0;
2319 	info->DP_UHBR10_EN = (record->connector_max_speed >= 10000) ? 1 : 0;
2320 	info->DP_UHBR13_5_EN = (record->connector_max_speed >= 13500) ? 1 : 0;
2321 	info->DP_UHBR20_EN = (record->connector_max_speed >= 20000) ? 1 : 0;
2322 	return BP_RESULT_OK;
2323 }
2324 
2325 static enum bp_result get_vram_info_v23(
2326 	struct bios_parser *bp,
2327 	struct dc_vram_info *info)
2328 {
2329 	struct atom_vram_info_header_v2_3 *info_v23;
2330 	static enum bp_result result = BP_RESULT_OK;
2331 
2332 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
2333 						DATA_TABLES(vram_info));
2334 
2335 	if (info_v23 == NULL)
2336 		return BP_RESULT_BADBIOSTABLE;
2337 
2338 	info->num_chans = info_v23->vram_module[0].channel_num;
2339 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
2340 
2341 	return result;
2342 }
2343 
2344 static enum bp_result get_vram_info_v24(
2345 	struct bios_parser *bp,
2346 	struct dc_vram_info *info)
2347 {
2348 	struct atom_vram_info_header_v2_4 *info_v24;
2349 	static enum bp_result result = BP_RESULT_OK;
2350 
2351 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
2352 						DATA_TABLES(vram_info));
2353 
2354 	if (info_v24 == NULL)
2355 		return BP_RESULT_BADBIOSTABLE;
2356 
2357 	info->num_chans = info_v24->vram_module[0].channel_num;
2358 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
2359 
2360 	return result;
2361 }
2362 
2363 static enum bp_result get_vram_info_v25(
2364 	struct bios_parser *bp,
2365 	struct dc_vram_info *info)
2366 {
2367 	struct atom_vram_info_header_v2_5 *info_v25;
2368 	static enum bp_result result = BP_RESULT_OK;
2369 
2370 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
2371 						DATA_TABLES(vram_info));
2372 
2373 	if (info_v25 == NULL)
2374 		return BP_RESULT_BADBIOSTABLE;
2375 
2376 	info->num_chans = info_v25->vram_module[0].channel_num;
2377 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
2378 
2379 	return result;
2380 }
2381 
2382 static enum bp_result get_vram_info_v30(
2383 	struct bios_parser *bp,
2384 	struct dc_vram_info *info)
2385 {
2386 	struct atom_vram_info_header_v3_0 *info_v30;
2387 	enum bp_result result = BP_RESULT_OK;
2388 
2389 	info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
2390 						DATA_TABLES(vram_info));
2391 
2392 	if (info_v30 == NULL)
2393 		return BP_RESULT_BADBIOSTABLE;
2394 
2395 	info->num_chans = info_v30->channel_num;
2396 	info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
2397 
2398 	return result;
2399 }
2400 
2401 /*
2402  * get_integrated_info_v11
2403  *
2404  * @brief
2405  * Get V8 integrated BIOS information
2406  *
2407  * @param
2408  * bios_parser *bp - [in]BIOS parser handler to get master data table
2409  * integrated_info *info - [out] store and output integrated info
2410  *
2411  * @return
2412  * static enum bp_result - BP_RESULT_OK if information is available,
2413  *                  BP_RESULT_BADBIOSTABLE otherwise.
2414  */
2415 static enum bp_result get_integrated_info_v11(
2416 	struct bios_parser *bp,
2417 	struct integrated_info *info)
2418 {
2419 	struct atom_integrated_system_info_v1_11 *info_v11;
2420 	uint32_t i;
2421 
2422 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
2423 					DATA_TABLES(integratedsysteminfo));
2424 
2425 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v11->gpuclk_ss_percentage);
2426 	if (info_v11 == NULL)
2427 		return BP_RESULT_BADBIOSTABLE;
2428 
2429 	info->gpu_cap_info =
2430 	le32_to_cpu(info_v11->gpucapinfo);
2431 	/*
2432 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2433 	*                       = 1 : PCIE power gating enabled
2434 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2435 	*                       = 1 : DDR-PLL shut down enabled
2436 	*                Bit[2] = 0 : DDR-PLL power down disabled
2437 	*                       = 1 : DDR-PLL power down enabled
2438 	*/
2439 	info->system_config = le32_to_cpu(info_v11->system_config);
2440 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
2441 	info->memory_type = info_v11->memorytype;
2442 	info->ma_channel_number = info_v11->umachannelnumber;
2443 	info->lvds_ss_percentage =
2444 	le16_to_cpu(info_v11->lvds_ss_percentage);
2445 	info->dp_ss_control =
2446 	le16_to_cpu(info_v11->reserved1);
2447 	info->lvds_sspread_rate_in_10hz =
2448 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
2449 	info->hdmi_ss_percentage =
2450 	le16_to_cpu(info_v11->hdmi_ss_percentage);
2451 	info->hdmi_sspread_rate_in_10hz =
2452 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
2453 	info->dvi_ss_percentage =
2454 	le16_to_cpu(info_v11->dvi_ss_percentage);
2455 	info->dvi_sspread_rate_in_10_hz =
2456 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
2457 	info->lvds_misc = info_v11->lvds_misc;
2458 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2459 		info->ext_disp_conn_info.gu_id[i] =
2460 				info_v11->extdispconninfo.guid[i];
2461 	}
2462 
2463 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2464 		info->ext_disp_conn_info.path[i].device_connector_id =
2465 		object_id_from_bios_object_id(
2466 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
2467 
2468 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2469 		object_id_from_bios_object_id(
2470 			le16_to_cpu(
2471 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
2472 
2473 		info->ext_disp_conn_info.path[i].device_tag =
2474 			le16_to_cpu(
2475 				info_v11->extdispconninfo.path[i].device_tag);
2476 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2477 		le16_to_cpu(
2478 			info_v11->extdispconninfo.path[i].device_acpi_enum);
2479 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2480 			info_v11->extdispconninfo.path[i].auxddclut_index;
2481 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2482 			info_v11->extdispconninfo.path[i].hpdlut_index;
2483 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2484 			info_v11->extdispconninfo.path[i].channelmapping;
2485 		info->ext_disp_conn_info.path[i].caps =
2486 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
2487 	}
2488 	info->ext_disp_conn_info.checksum =
2489 	info_v11->extdispconninfo.checksum;
2490 
2491 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
2492 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
2493 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2494 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2495 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2496 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2497 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2498 	}
2499 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
2500 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2501 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2502 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2503 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2504 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2505 	}
2506 
2507 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
2508 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
2509 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2510 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2511 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2512 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2513 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2514 	}
2515 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
2516 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2517 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2518 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2519 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2520 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2521 	}
2522 
2523 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
2524 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
2525 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2526 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2527 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2528 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2529 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2530 	}
2531 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
2532 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2533 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2534 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2535 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2536 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2537 	}
2538 
2539 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
2540 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
2541 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2542 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2543 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2544 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2545 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2546 	}
2547 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
2548 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2549 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2550 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2551 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2552 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2553 	}
2554 
2555 
2556 	/** TODO - review **/
2557 	#if 0
2558 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
2559 									* 10;
2560 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
2561 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
2562 
2563 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2564 		/* Convert [10KHz] into [KHz] */
2565 		info->disp_clk_voltage[i].max_supported_clk =
2566 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
2567 			ulMaximumSupportedCLK) * 10;
2568 		info->disp_clk_voltage[i].voltage_index =
2569 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
2570 	}
2571 
2572 	info->boot_up_req_display_vector =
2573 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
2574 	info->boot_up_nb_voltage =
2575 			le16_to_cpu(info_v11->usBootUpNBVoltage);
2576 	info->ext_disp_conn_info_offset =
2577 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
2578 	info->gmc_restore_reset_time =
2579 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
2580 	info->minimum_n_clk =
2581 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
2582 	for (i = 1; i < 4; ++i)
2583 		info->minimum_n_clk =
2584 				info->minimum_n_clk <
2585 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
2586 				info->minimum_n_clk : le32_to_cpu(
2587 					info_v11->ulNbpStateNClkFreq[i]);
2588 
2589 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
2590 	info->ddr_dll_power_up_time =
2591 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
2592 	info->ddr_pll_power_up_time =
2593 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
2594 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
2595 	info->max_lvds_pclk_freq_in_single_link =
2596 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2597 	info->max_lvds_pclk_freq_in_single_link =
2598 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2599 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
2600 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
2601 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
2602 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
2603 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
2604 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
2605 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
2606 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
2607 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
2608 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
2609 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
2610 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
2611 	info->lvds_off_to_on_delay_in_4ms =
2612 		info_v11->ucLVDSOffToOnDelay_in4Ms;
2613 	info->lvds_bit_depth_control_val =
2614 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
2615 
2616 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
2617 		/* Convert [10KHz] into [KHz] */
2618 		info->avail_s_clk[i].supported_s_clk =
2619 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
2620 									* 10;
2621 		info->avail_s_clk[i].voltage_index =
2622 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
2623 		info->avail_s_clk[i].voltage_id =
2624 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
2625 	}
2626 	#endif /* TODO*/
2627 
2628 	return BP_RESULT_OK;
2629 }
2630 
2631 static enum bp_result get_integrated_info_v2_1(
2632 	struct bios_parser *bp,
2633 	struct integrated_info *info)
2634 {
2635 	struct atom_integrated_system_info_v2_1 *info_v2_1;
2636 	uint32_t i;
2637 
2638 	info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
2639 					DATA_TABLES(integratedsysteminfo));
2640 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_1->gpuclk_ss_percentage);
2641 
2642 	if (info_v2_1 == NULL)
2643 		return BP_RESULT_BADBIOSTABLE;
2644 
2645 	info->gpu_cap_info =
2646 	le32_to_cpu(info_v2_1->gpucapinfo);
2647 	/*
2648 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2649 	*                       = 1 : PCIE power gating enabled
2650 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2651 	*                       = 1 : DDR-PLL shut down enabled
2652 	*                Bit[2] = 0 : DDR-PLL power down disabled
2653 	*                       = 1 : DDR-PLL power down enabled
2654 	*/
2655 	info->system_config = le32_to_cpu(info_v2_1->system_config);
2656 	info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
2657 	info->memory_type = info_v2_1->memorytype;
2658 	info->ma_channel_number = info_v2_1->umachannelnumber;
2659 	info->dp_ss_control =
2660 		le16_to_cpu(info_v2_1->reserved1);
2661 
2662 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2663 		info->ext_disp_conn_info.gu_id[i] =
2664 				info_v2_1->extdispconninfo.guid[i];
2665 	}
2666 
2667 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2668 		info->ext_disp_conn_info.path[i].device_connector_id =
2669 		object_id_from_bios_object_id(
2670 		le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
2671 
2672 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2673 		object_id_from_bios_object_id(
2674 			le16_to_cpu(
2675 			info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
2676 
2677 		info->ext_disp_conn_info.path[i].device_tag =
2678 			le16_to_cpu(
2679 				info_v2_1->extdispconninfo.path[i].device_tag);
2680 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2681 		le16_to_cpu(
2682 			info_v2_1->extdispconninfo.path[i].device_acpi_enum);
2683 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2684 			info_v2_1->extdispconninfo.path[i].auxddclut_index;
2685 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2686 			info_v2_1->extdispconninfo.path[i].hpdlut_index;
2687 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2688 			info_v2_1->extdispconninfo.path[i].channelmapping;
2689 		info->ext_disp_conn_info.path[i].caps =
2690 				le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
2691 	}
2692 
2693 	info->ext_disp_conn_info.checksum =
2694 		info_v2_1->extdispconninfo.checksum;
2695 	info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
2696 	info->dp0_ext_hdmi_reg_num = info_v2_1->dp0_retimer_set.HdmiRegNum;
2697 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2698 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2699 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2700 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2701 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2702 	}
2703 	info->dp0_ext_hdmi_6g_reg_num = info_v2_1->dp0_retimer_set.Hdmi6GRegNum;
2704 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2705 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2706 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2707 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2708 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2709 	}
2710 	info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
2711 	info->dp1_ext_hdmi_reg_num = info_v2_1->dp1_retimer_set.HdmiRegNum;
2712 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2713 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2714 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2715 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2716 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2717 	}
2718 	info->dp1_ext_hdmi_6g_reg_num = info_v2_1->dp1_retimer_set.Hdmi6GRegNum;
2719 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2720 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2721 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2722 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2723 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2724 	}
2725 	info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
2726 	info->dp2_ext_hdmi_reg_num = info_v2_1->dp2_retimer_set.HdmiRegNum;
2727 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2728 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2729 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2730 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2731 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2732 	}
2733 	info->dp2_ext_hdmi_6g_reg_num = info_v2_1->dp2_retimer_set.Hdmi6GRegNum;
2734 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2735 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2736 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2737 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2738 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2739 	}
2740 	info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
2741 	info->dp3_ext_hdmi_reg_num = info_v2_1->dp3_retimer_set.HdmiRegNum;
2742 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2743 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2744 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2745 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2746 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2747 	}
2748 	info->dp3_ext_hdmi_6g_reg_num = info_v2_1->dp3_retimer_set.Hdmi6GRegNum;
2749 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2750 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2751 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2752 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2753 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2754 	}
2755 
2756 	info->edp1_info.edp_backlight_pwm_hz =
2757 	le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
2758 	info->edp1_info.edp_ss_percentage =
2759 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
2760 	info->edp1_info.edp_ss_rate_10hz =
2761 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
2762 	info->edp1_info.edp_pwr_on_off_delay =
2763 		info_v2_1->edp1_info.edp_pwr_on_off_delay;
2764 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2765 		info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
2766 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2767 		info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2768 	info->edp1_info.edp_panel_bpc =
2769 		info_v2_1->edp1_info.edp_panel_bpc;
2770 	info->edp1_info.edp_bootup_bl_level = info_v2_1->edp1_info.edp_bootup_bl_level;
2771 
2772 	info->edp2_info.edp_backlight_pwm_hz =
2773 	le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
2774 	info->edp2_info.edp_ss_percentage =
2775 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
2776 	info->edp2_info.edp_ss_rate_10hz =
2777 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
2778 	info->edp2_info.edp_pwr_on_off_delay =
2779 		info_v2_1->edp2_info.edp_pwr_on_off_delay;
2780 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2781 		info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
2782 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2783 		info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2784 	info->edp2_info.edp_panel_bpc =
2785 		info_v2_1->edp2_info.edp_panel_bpc;
2786 	info->edp2_info.edp_bootup_bl_level =
2787 		info_v2_1->edp2_info.edp_bootup_bl_level;
2788 
2789 	return BP_RESULT_OK;
2790 }
2791 
2792 static enum bp_result get_integrated_info_v2_2(
2793 	struct bios_parser *bp,
2794 	struct integrated_info *info)
2795 {
2796 	struct atom_integrated_system_info_v2_2 *info_v2_2;
2797 	uint32_t i;
2798 
2799 	info_v2_2 = GET_IMAGE(struct atom_integrated_system_info_v2_2,
2800 					DATA_TABLES(integratedsysteminfo));
2801 
2802 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_2->gpuclk_ss_percentage);
2803 
2804 	if (info_v2_2 == NULL)
2805 		return BP_RESULT_BADBIOSTABLE;
2806 
2807 	info->gpu_cap_info =
2808 	le32_to_cpu(info_v2_2->gpucapinfo);
2809 	/*
2810 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2811 	*                       = 1 : PCIE power gating enabled
2812 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2813 	*                       = 1 : DDR-PLL shut down enabled
2814 	*                Bit[2] = 0 : DDR-PLL power down disabled
2815 	*                       = 1 : DDR-PLL power down enabled
2816 	*/
2817 	info->system_config = le32_to_cpu(info_v2_2->system_config);
2818 	info->cpu_cap_info = le32_to_cpu(info_v2_2->cpucapinfo);
2819 	info->memory_type = info_v2_2->memorytype;
2820 	info->ma_channel_number = info_v2_2->umachannelnumber;
2821 	info->dp_ss_control =
2822 		le16_to_cpu(info_v2_2->reserved1);
2823 	info->gpuclk_ss_percentage = info_v2_2->gpuclk_ss_percentage;
2824 	info->gpuclk_ss_type = info_v2_2->gpuclk_ss_type;
2825 
2826 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2827 		info->ext_disp_conn_info.gu_id[i] =
2828 				info_v2_2->extdispconninfo.guid[i];
2829 	}
2830 
2831 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2832 		info->ext_disp_conn_info.path[i].device_connector_id =
2833 		object_id_from_bios_object_id(
2834 		le16_to_cpu(info_v2_2->extdispconninfo.path[i].connectorobjid));
2835 
2836 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2837 		object_id_from_bios_object_id(
2838 			le16_to_cpu(
2839 			info_v2_2->extdispconninfo.path[i].ext_encoder_objid));
2840 
2841 		info->ext_disp_conn_info.path[i].device_tag =
2842 			le16_to_cpu(
2843 				info_v2_2->extdispconninfo.path[i].device_tag);
2844 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2845 		le16_to_cpu(
2846 			info_v2_2->extdispconninfo.path[i].device_acpi_enum);
2847 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2848 			info_v2_2->extdispconninfo.path[i].auxddclut_index;
2849 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2850 			info_v2_2->extdispconninfo.path[i].hpdlut_index;
2851 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2852 			info_v2_2->extdispconninfo.path[i].channelmapping;
2853 		info->ext_disp_conn_info.path[i].caps =
2854 				le16_to_cpu(info_v2_2->extdispconninfo.path[i].caps);
2855 	}
2856 
2857 	info->ext_disp_conn_info.checksum =
2858 		info_v2_2->extdispconninfo.checksum;
2859 	info->ext_disp_conn_info.fixdpvoltageswing =
2860 		info_v2_2->extdispconninfo.fixdpvoltageswing;
2861 
2862 	info->edp1_info.edp_backlight_pwm_hz =
2863 	le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz);
2864 	info->edp1_info.edp_ss_percentage =
2865 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_percentage);
2866 	info->edp1_info.edp_ss_rate_10hz =
2867 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_rate_10hz);
2868 	info->edp1_info.edp_pwr_on_off_delay =
2869 		info_v2_2->edp1_info.edp_pwr_on_off_delay;
2870 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2871 		info_v2_2->edp1_info.edp_pwr_on_vary_bl_to_blon;
2872 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2873 		info_v2_2->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2874 	info->edp1_info.edp_panel_bpc =
2875 		info_v2_2->edp1_info.edp_panel_bpc;
2876 	info->edp1_info.edp_bootup_bl_level =
2877 
2878 	info->edp2_info.edp_backlight_pwm_hz =
2879 	le16_to_cpu(info_v2_2->edp2_info.edp_backlight_pwm_hz);
2880 	info->edp2_info.edp_ss_percentage =
2881 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_percentage);
2882 	info->edp2_info.edp_ss_rate_10hz =
2883 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_rate_10hz);
2884 	info->edp2_info.edp_pwr_on_off_delay =
2885 		info_v2_2->edp2_info.edp_pwr_on_off_delay;
2886 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2887 		info_v2_2->edp2_info.edp_pwr_on_vary_bl_to_blon;
2888 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2889 		info_v2_2->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2890 	info->edp2_info.edp_panel_bpc =
2891 		info_v2_2->edp2_info.edp_panel_bpc;
2892 	info->edp2_info.edp_bootup_bl_level =
2893 		info_v2_2->edp2_info.edp_bootup_bl_level;
2894 
2895 	return BP_RESULT_OK;
2896 }
2897 
2898 /*
2899  * construct_integrated_info
2900  *
2901  * @brief
2902  * Get integrated BIOS information based on table revision
2903  *
2904  * @param
2905  * bios_parser *bp - [in]BIOS parser handler to get master data table
2906  * integrated_info *info - [out] store and output integrated info
2907  *
2908  * @return
2909  * static enum bp_result - BP_RESULT_OK if information is available,
2910  *                  BP_RESULT_BADBIOSTABLE otherwise.
2911  */
2912 static enum bp_result construct_integrated_info(
2913 	struct bios_parser *bp,
2914 	struct integrated_info *info)
2915 {
2916 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
2917 
2918 	struct atom_common_table_header *header;
2919 	struct atom_data_revision revision;
2920 
2921 	uint32_t i;
2922 	uint32_t j;
2923 
2924 	if (info && DATA_TABLES(integratedsysteminfo)) {
2925 		header = GET_IMAGE(struct atom_common_table_header,
2926 					DATA_TABLES(integratedsysteminfo));
2927 
2928 		get_atom_data_table_revision(header, &revision);
2929 
2930 		switch (revision.major) {
2931 		case 1:
2932 			switch (revision.minor) {
2933 			case 11:
2934 			case 12:
2935 				result = get_integrated_info_v11(bp, info);
2936 				break;
2937 			default:
2938 				return result;
2939 			}
2940 			break;
2941 		case 2:
2942 			switch (revision.minor) {
2943 			case 1:
2944 				result = get_integrated_info_v2_1(bp, info);
2945 				break;
2946 			case 2:
2947 				result = get_integrated_info_v2_2(bp, info);
2948 				break;
2949 			default:
2950 				return result;
2951 			}
2952 			break;
2953 		default:
2954 			return result;
2955 		}
2956 		if (result == BP_RESULT_OK) {
2957 
2958 			DC_LOG_BIOS("edp1:\n"
2959 						"\tedp_pwr_on_off_delay = %d\n"
2960 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2961 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2962 						"\tedp_bootup_bl_level = %d\n",
2963 						info->edp1_info.edp_pwr_on_off_delay,
2964 						info->edp1_info.edp_pwr_on_vary_bl_to_blon,
2965 						info->edp1_info.edp_pwr_down_bloff_to_vary_bloff,
2966 						info->edp1_info.edp_bootup_bl_level);
2967 			DC_LOG_BIOS("edp2:\n"
2968 						"\tedp_pwr_on_off_delayv = %d\n"
2969 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
2970 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
2971 						"\tedp_bootup_bl_level = %d\n",
2972 						info->edp2_info.edp_pwr_on_off_delay,
2973 						info->edp2_info.edp_pwr_on_vary_bl_to_blon,
2974 						info->edp2_info.edp_pwr_down_bloff_to_vary_bloff,
2975 						info->edp2_info.edp_bootup_bl_level);
2976 		}
2977 	}
2978 
2979 	if (result != BP_RESULT_OK)
2980 		return result;
2981 	else {
2982 		// Log each external path
2983 		for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
2984 			if (info->ext_disp_conn_info.path[i].device_tag != 0)
2985 				DC_LOG_BIOS("integrated_info:For EXTERNAL DISPLAY PATH %d --------------\n"
2986 						"DEVICE_TAG: 0x%x\n"
2987 						"DEVICE_ACPI_ENUM: 0x%x\n"
2988 						"DEVICE_CONNECTOR_ID: 0x%x\n"
2989 						"EXT_AUX_DDC_LUT_INDEX: %d\n"
2990 						"EXT_HPD_PIN_LUT_INDEX: %d\n"
2991 						"EXT_ENCODER_OBJ_ID: 0x%x\n"
2992 						"Encoder CAPS: 0x%x\n",
2993 						i,
2994 						info->ext_disp_conn_info.path[i].device_tag,
2995 						info->ext_disp_conn_info.path[i].device_acpi_enum,
2996 						info->ext_disp_conn_info.path[i].device_connector_id.id,
2997 						info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index,
2998 						info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index,
2999 						info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id,
3000 						info->ext_disp_conn_info.path[i].caps
3001 						);
3002 			if (info->ext_disp_conn_info.path[i].caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)
3003 				DC_LOG_BIOS("BIOS EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3004 			else if (bp->base.ctx->dc->config.force_bios_fixed_vs) {
3005 				info->ext_disp_conn_info.path[i].caps |= EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN;
3006 				DC_LOG_BIOS("driver forced EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3007 			}
3008 		}
3009 		// Log the Checksum and Voltage Swing
3010 		DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n"
3011 					"Integrated info table FIX_DP_VOLTAGE_SWING: %d\n",
3012 					info->ext_disp_conn_info.checksum,
3013 					info->ext_disp_conn_info.fixdpvoltageswing);
3014 		if (bp->base.ctx->dc->config.force_bios_fixed_vs && info->ext_disp_conn_info.fixdpvoltageswing == 0) {
3015 			info->ext_disp_conn_info.fixdpvoltageswing = bp->base.ctx->dc->config.force_bios_fixed_vs & 0xF;
3016 			DC_LOG_BIOS("driver forced fixdpvoltageswing = %d\n", info->ext_disp_conn_info.fixdpvoltageswing);
3017 		}
3018 	}
3019 	/* Sort voltage table from low to high*/
3020 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
3021 		for (j = i; j > 0; --j) {
3022 			if (info->disp_clk_voltage[j].max_supported_clk <
3023 			    info->disp_clk_voltage[j-1].max_supported_clk)
3024 				swap(info->disp_clk_voltage[j-1], info->disp_clk_voltage[j]);
3025 		}
3026 	}
3027 
3028 	return result;
3029 }
3030 
3031 static enum bp_result bios_parser_get_vram_info(
3032 		struct dc_bios *dcb,
3033 		struct dc_vram_info *info)
3034 {
3035 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3036 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
3037 	struct atom_common_table_header *header;
3038 	struct atom_data_revision revision;
3039 
3040 	if (info && DATA_TABLES(vram_info)) {
3041 		header = GET_IMAGE(struct atom_common_table_header,
3042 					DATA_TABLES(vram_info));
3043 
3044 		get_atom_data_table_revision(header, &revision);
3045 
3046 		switch (revision.major) {
3047 		case 2:
3048 			switch (revision.minor) {
3049 			case 3:
3050 				result = get_vram_info_v23(bp, info);
3051 				break;
3052 			case 4:
3053 				result = get_vram_info_v24(bp, info);
3054 				break;
3055 			case 5:
3056 				result = get_vram_info_v25(bp, info);
3057 				break;
3058 			default:
3059 				break;
3060 			}
3061 			break;
3062 
3063 		case 3:
3064 			switch (revision.minor) {
3065 			case 0:
3066 				result = get_vram_info_v30(bp, info);
3067 				break;
3068 			default:
3069 				break;
3070 			}
3071 			break;
3072 
3073 		default:
3074 			return result;
3075 		}
3076 
3077 	}
3078 	return result;
3079 }
3080 
3081 static struct integrated_info *bios_parser_create_integrated_info(
3082 	struct dc_bios *dcb)
3083 {
3084 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3085 	struct integrated_info *info;
3086 
3087 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
3088 
3089 	if (info == NULL) {
3090 		ASSERT_CRITICAL(0);
3091 		return NULL;
3092 	}
3093 
3094 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
3095 		return info;
3096 
3097 	kfree(info);
3098 
3099 	return NULL;
3100 }
3101 
3102 static enum bp_result update_slot_layout_info(
3103 	struct dc_bios *dcb,
3104 	unsigned int i,
3105 	struct slot_layout_info *slot_layout_info)
3106 {
3107 	unsigned int record_offset;
3108 	unsigned int j;
3109 	struct atom_display_object_path_v2 *object;
3110 	struct atom_bracket_layout_record *record;
3111 	struct atom_common_record_header *record_header;
3112 	static enum bp_result result;
3113 	struct bios_parser *bp;
3114 	struct object_info_table *tbl;
3115 	struct display_object_info_table_v1_4 *v1_4;
3116 
3117 	record = NULL;
3118 	record_header = NULL;
3119 	result = BP_RESULT_NORECORD;
3120 
3121 	bp = BP_FROM_DCB(dcb);
3122 	tbl = &bp->object_info_tbl;
3123 	v1_4 = tbl->v1_4;
3124 
3125 	object = &v1_4->display_path[i];
3126 	record_offset = (unsigned int)
3127 		(object->disp_recordoffset) +
3128 		(unsigned int)(bp->object_info_tbl_offset);
3129 
3130 	for (;;) {
3131 
3132 		record_header = (struct atom_common_record_header *)
3133 			GET_IMAGE(struct atom_common_record_header,
3134 			record_offset);
3135 		if (record_header == NULL) {
3136 			result = BP_RESULT_BADBIOSTABLE;
3137 			break;
3138 		}
3139 
3140 		/* the end of the list */
3141 		if (record_header->record_type == 0xff ||
3142 			record_header->record_size == 0)	{
3143 			break;
3144 		}
3145 
3146 		if (record_header->record_type ==
3147 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
3148 			sizeof(struct atom_bracket_layout_record)
3149 			<= record_header->record_size) {
3150 			record = (struct atom_bracket_layout_record *)
3151 				(record_header);
3152 			result = BP_RESULT_OK;
3153 			break;
3154 		}
3155 
3156 		record_offset += record_header->record_size;
3157 	}
3158 
3159 	/* return if the record not found */
3160 	if (result != BP_RESULT_OK)
3161 		return result;
3162 
3163 	/* get slot sizes */
3164 	slot_layout_info->length = record->bracketlen;
3165 	slot_layout_info->width = record->bracketwidth;
3166 
3167 	/* get info for each connector in the slot */
3168 	slot_layout_info->num_of_connectors = record->conn_num;
3169 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
3170 		slot_layout_info->connectors[j].connector_type =
3171 			(enum connector_layout_type)
3172 			(record->conn_info[j].connector_type);
3173 		switch (record->conn_info[j].connector_type) {
3174 		case CONNECTOR_TYPE_DVI_D:
3175 			slot_layout_info->connectors[j].connector_type =
3176 				CONNECTOR_LAYOUT_TYPE_DVI_D;
3177 			slot_layout_info->connectors[j].length =
3178 				CONNECTOR_SIZE_DVI;
3179 			break;
3180 
3181 		case CONNECTOR_TYPE_HDMI:
3182 			slot_layout_info->connectors[j].connector_type =
3183 				CONNECTOR_LAYOUT_TYPE_HDMI;
3184 			slot_layout_info->connectors[j].length =
3185 				CONNECTOR_SIZE_HDMI;
3186 			break;
3187 
3188 		case CONNECTOR_TYPE_DISPLAY_PORT:
3189 			slot_layout_info->connectors[j].connector_type =
3190 				CONNECTOR_LAYOUT_TYPE_DP;
3191 			slot_layout_info->connectors[j].length =
3192 				CONNECTOR_SIZE_DP;
3193 			break;
3194 
3195 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
3196 			slot_layout_info->connectors[j].connector_type =
3197 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
3198 			slot_layout_info->connectors[j].length =
3199 				CONNECTOR_SIZE_MINI_DP;
3200 			break;
3201 
3202 		default:
3203 			slot_layout_info->connectors[j].connector_type =
3204 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3205 			slot_layout_info->connectors[j].length =
3206 				CONNECTOR_SIZE_UNKNOWN;
3207 		}
3208 
3209 		slot_layout_info->connectors[j].position =
3210 			record->conn_info[j].position;
3211 		slot_layout_info->connectors[j].connector_id =
3212 			object_id_from_bios_object_id(
3213 				record->conn_info[j].connectorobjid);
3214 	}
3215 	return result;
3216 }
3217 
3218 static enum bp_result update_slot_layout_info_v2(
3219 	struct dc_bios *dcb,
3220 	unsigned int i,
3221 	struct slot_layout_info *slot_layout_info)
3222 {
3223 	unsigned int record_offset;
3224 	struct atom_display_object_path_v3 *object;
3225 	struct atom_bracket_layout_record_v2 *record;
3226 	struct atom_common_record_header *record_header;
3227 	static enum bp_result result;
3228 	struct bios_parser *bp;
3229 	struct object_info_table *tbl;
3230 	struct display_object_info_table_v1_5 *v1_5;
3231 	struct graphics_object_id connector_id;
3232 
3233 	record = NULL;
3234 	record_header = NULL;
3235 	result = BP_RESULT_NORECORD;
3236 
3237 	bp = BP_FROM_DCB(dcb);
3238 	tbl = &bp->object_info_tbl;
3239 	v1_5 = tbl->v1_5;
3240 
3241 	object = &v1_5->display_path[i];
3242 	record_offset = (unsigned int)
3243 		(object->disp_recordoffset) +
3244 		(unsigned int)(bp->object_info_tbl_offset);
3245 
3246 	for (;;) {
3247 
3248 		record_header = (struct atom_common_record_header *)
3249 			GET_IMAGE(struct atom_common_record_header,
3250 			record_offset);
3251 		if (record_header == NULL) {
3252 			result = BP_RESULT_BADBIOSTABLE;
3253 			break;
3254 		}
3255 
3256 		/* the end of the list */
3257 		if (record_header->record_type == ATOM_RECORD_END_TYPE ||
3258 			record_header->record_size == 0)	{
3259 			break;
3260 		}
3261 
3262 		if (record_header->record_type ==
3263 			ATOM_BRACKET_LAYOUT_V2_RECORD_TYPE &&
3264 			sizeof(struct atom_bracket_layout_record_v2)
3265 			<= record_header->record_size) {
3266 			record = (struct atom_bracket_layout_record_v2 *)
3267 				(record_header);
3268 			result = BP_RESULT_OK;
3269 			break;
3270 		}
3271 
3272 		record_offset += record_header->record_size;
3273 	}
3274 
3275 	/* return if the record not found */
3276 	if (result != BP_RESULT_OK)
3277 		return result;
3278 
3279 	/* get slot sizes */
3280 	connector_id = object_id_from_bios_object_id(object->display_objid);
3281 
3282 	slot_layout_info->length = record->bracketlen;
3283 	slot_layout_info->width = record->bracketwidth;
3284 	slot_layout_info->num_of_connectors = v1_5->number_of_path;
3285 	slot_layout_info->connectors[i].position = record->conn_num;
3286 	slot_layout_info->connectors[i].connector_id = connector_id;
3287 
3288 	switch (connector_id.id) {
3289 	case CONNECTOR_ID_SINGLE_LINK_DVID:
3290 	case CONNECTOR_ID_DUAL_LINK_DVID:
3291 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DVI_D;
3292 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DVI;
3293 		break;
3294 
3295 	case CONNECTOR_ID_HDMI_TYPE_A:
3296 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_HDMI;
3297 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_HDMI;
3298 		break;
3299 
3300 	case CONNECTOR_ID_DISPLAY_PORT:
3301 	case CONNECTOR_ID_USBC:
3302 		if (record->mini_type == MINI_TYPE_NORMAL) {
3303 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DP;
3304 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DP;
3305 		} else {
3306 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_MINI_DP;
3307 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_MINI_DP;
3308 		}
3309 		break;
3310 
3311 	default:
3312 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3313 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_UNKNOWN;
3314 	}
3315 	return result;
3316 }
3317 
3318 static enum bp_result get_bracket_layout_record(
3319 	struct dc_bios *dcb,
3320 	unsigned int bracket_layout_id,
3321 	struct slot_layout_info *slot_layout_info)
3322 {
3323 	unsigned int i;
3324 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3325 	static enum bp_result result;
3326 	struct object_info_table *tbl;
3327 	struct display_object_info_table_v1_4 *v1_4;
3328 	struct display_object_info_table_v1_5 *v1_5;
3329 
3330 	if (slot_layout_info == NULL) {
3331 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
3332 		return BP_RESULT_BADINPUT;
3333 	}
3334 
3335 	tbl = &bp->object_info_tbl;
3336 	v1_4 = tbl->v1_4;
3337 	v1_5 = tbl->v1_5;
3338 
3339 	result = BP_RESULT_NORECORD;
3340 	switch (bp->object_info_tbl.revision.minor) {
3341 	case 4:
3342 	default:
3343 		for (i = 0; i < v1_4->number_of_path; ++i) {
3344 			if (bracket_layout_id == v1_4->display_path[i].display_objid) {
3345 				result = update_slot_layout_info(dcb, i, slot_layout_info);
3346 				break;
3347 			}
3348 		}
3349 		break;
3350 	case 5:
3351 		for (i = 0; i < v1_5->number_of_path; ++i)
3352 			result = update_slot_layout_info_v2(dcb, i, slot_layout_info);
3353 		break;
3354 	}
3355 
3356 	return result;
3357 }
3358 
3359 static enum bp_result bios_get_board_layout_info(
3360 	struct dc_bios *dcb,
3361 	struct board_layout_info *board_layout_info)
3362 {
3363 	unsigned int i;
3364 	struct bios_parser *bp;
3365 	static enum bp_result record_result;
3366 	unsigned int max_slots;
3367 
3368 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
3369 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
3370 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
3371 		0, 0
3372 	};
3373 
3374 	bp = BP_FROM_DCB(dcb);
3375 
3376 	if (board_layout_info == NULL) {
3377 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
3378 		return BP_RESULT_BADINPUT;
3379 	}
3380 
3381 	board_layout_info->num_of_slots = 0;
3382 	max_slots = MAX_BOARD_SLOTS;
3383 
3384 	// Assume single slot on v1_5
3385 	if (bp->object_info_tbl.revision.minor == 5) {
3386 		max_slots = 1;
3387 	}
3388 
3389 	for (i = 0; i < max_slots; ++i) {
3390 		record_result = get_bracket_layout_record(dcb,
3391 			slot_index_to_vbios_id[i],
3392 			&board_layout_info->slots[i]);
3393 
3394 		if (record_result == BP_RESULT_NORECORD && i > 0)
3395 			break; /* no more slots present in bios */
3396 		else if (record_result != BP_RESULT_OK)
3397 			return record_result;  /* fail */
3398 
3399 		++board_layout_info->num_of_slots;
3400 	}
3401 
3402 	/* all data is valid */
3403 	board_layout_info->is_number_of_slots_valid = 1;
3404 	board_layout_info->is_slots_size_valid = 1;
3405 	board_layout_info->is_connector_offsets_valid = 1;
3406 	board_layout_info->is_connector_lengths_valid = 1;
3407 
3408 	return BP_RESULT_OK;
3409 }
3410 
3411 
3412 static uint16_t bios_parser_pack_data_tables(
3413 	struct dc_bios *dcb,
3414 	void *dst)
3415 {
3416 	// TODO: There is data bytes alignment issue, disable it for now.
3417 	return 0;
3418 }
3419 
3420 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
3421 		struct bios_parser *bp,
3422 		uint32_t rev_major,
3423 		uint32_t rev_minor,
3424 		uint16_t *dc_golden_table_ver)
3425 {
3426 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
3427 	uint32_t dc_golden_offset = 0;
3428 	*dc_golden_table_ver = 0;
3429 
3430 	if (!DATA_TABLES(dce_info))
3431 		return NULL;
3432 
3433 	/* ver.4.4 or higher */
3434 	switch (rev_major) {
3435 	case 4:
3436 		switch (rev_minor) {
3437 		case 4:
3438 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
3439 									DATA_TABLES(dce_info));
3440 			if (!disp_cntl_tbl_4_4)
3441 				return NULL;
3442 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
3443 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
3444 			break;
3445 		case 5:
3446 		default:
3447 			/* For atom_display_controller_info_v4_5 there is no need to get golden table from
3448 			 * dc_golden_table_offset as all these fields previously in golden table used for AUX
3449 			 * pre-charge settings are now available directly in atom_display_controller_info_v4_5.
3450 			 */
3451 			break;
3452 		}
3453 		break;
3454 	}
3455 
3456 	if (!dc_golden_offset)
3457 		return NULL;
3458 
3459 	if (*dc_golden_table_ver != 1)
3460 		return NULL;
3461 
3462 	return GET_IMAGE(struct atom_dc_golden_table_v1,
3463 			dc_golden_offset);
3464 }
3465 
3466 static enum bp_result bios_get_atom_dc_golden_table(
3467 	struct dc_bios *dcb)
3468 {
3469 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3470 	enum bp_result result = BP_RESULT_OK;
3471 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
3472 	struct atom_common_table_header *header;
3473 	struct atom_data_revision tbl_revision;
3474 	uint16_t dc_golden_table_ver = 0;
3475 
3476 	header = GET_IMAGE(struct atom_common_table_header,
3477 							DATA_TABLES(dce_info));
3478 	if (!header)
3479 		return BP_RESULT_UNSUPPORTED;
3480 
3481 	get_atom_data_table_revision(header, &tbl_revision);
3482 
3483 	atom_dc_golden_table = bios_get_golden_table(bp,
3484 			tbl_revision.major,
3485 			tbl_revision.minor,
3486 			&dc_golden_table_ver);
3487 
3488 	if (!atom_dc_golden_table)
3489 		return BP_RESULT_UNSUPPORTED;
3490 
3491 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
3492 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
3493 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
3494 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
3495 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
3496 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
3497 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
3498 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
3499 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
3500 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
3501 
3502 	return result;
3503 }
3504 
3505 
3506 static const struct dc_vbios_funcs vbios_funcs = {
3507 	.get_connectors_number = bios_parser_get_connectors_number,
3508 
3509 	.get_connector_id = bios_parser_get_connector_id,
3510 
3511 	.get_src_obj = bios_parser_get_src_obj,
3512 
3513 	.get_i2c_info = bios_parser_get_i2c_info,
3514 
3515 	.get_hpd_info = bios_parser_get_hpd_info,
3516 
3517 	.get_device_tag = bios_parser_get_device_tag,
3518 
3519 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
3520 
3521 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
3522 
3523 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
3524 
3525 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
3526 
3527 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
3528 
3529 	.is_device_id_supported = bios_parser_is_device_id_supported,
3530 
3531 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
3532 
3533 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
3534 
3535 
3536 /*	 COMMANDS */
3537 	.encoder_control = bios_parser_encoder_control,
3538 
3539 	.transmitter_control = bios_parser_transmitter_control,
3540 
3541 	.enable_crtc = bios_parser_enable_crtc,
3542 
3543 	.set_pixel_clock = bios_parser_set_pixel_clock,
3544 
3545 	.set_dce_clock = bios_parser_set_dce_clock,
3546 
3547 	.program_crtc_timing = bios_parser_program_crtc_timing,
3548 
3549 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
3550 
3551 	.bios_parser_destroy = firmware_parser_destroy,
3552 
3553 	.get_board_layout_info = bios_get_board_layout_info,
3554 	.pack_data_tables = bios_parser_pack_data_tables,
3555 
3556 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
3557 
3558 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
3559 
3560 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
3561 
3562 	.get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
3563 
3564 	.get_lttpr_caps = bios_parser_get_lttpr_caps,
3565 
3566 	.get_lttpr_interop = bios_parser_get_lttpr_interop,
3567 
3568 	.get_connector_speed_cap_info = bios_parser_get_connector_speed_cap_info,
3569 };
3570 
3571 static bool bios_parser2_construct(
3572 	struct bios_parser *bp,
3573 	struct bp_init_data *init,
3574 	enum dce_version dce_version)
3575 {
3576 	uint16_t *rom_header_offset = NULL;
3577 	struct atom_rom_header_v2_2 *rom_header = NULL;
3578 	struct display_object_info_table_v1_4 *object_info_tbl;
3579 	struct atom_data_revision tbl_rev = {0};
3580 
3581 	if (!init)
3582 		return false;
3583 
3584 	if (!init->bios)
3585 		return false;
3586 
3587 	bp->base.funcs = &vbios_funcs;
3588 	bp->base.bios = init->bios;
3589 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
3590 
3591 	bp->base.ctx = init->ctx;
3592 
3593 	bp->base.bios_local_image = NULL;
3594 
3595 	rom_header_offset =
3596 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
3597 
3598 	if (!rom_header_offset)
3599 		return false;
3600 
3601 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
3602 
3603 	if (!rom_header)
3604 		return false;
3605 
3606 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
3607 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
3608 		return false;
3609 
3610 	bp->master_data_tbl =
3611 		GET_IMAGE(struct atom_master_data_table_v2_1,
3612 				rom_header->masterdatatable_offset);
3613 
3614 	if (!bp->master_data_tbl)
3615 		return false;
3616 
3617 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
3618 
3619 	if (!bp->object_info_tbl_offset)
3620 		return false;
3621 
3622 	object_info_tbl =
3623 			GET_IMAGE(struct display_object_info_table_v1_4,
3624 						bp->object_info_tbl_offset);
3625 
3626 	if (!object_info_tbl)
3627 		return false;
3628 
3629 	get_atom_data_table_revision(&object_info_tbl->table_header,
3630 		&bp->object_info_tbl.revision);
3631 
3632 	if (bp->object_info_tbl.revision.major == 1
3633 		&& bp->object_info_tbl.revision.minor == 4) {
3634 		struct display_object_info_table_v1_4 *tbl_v1_4;
3635 
3636 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
3637 			bp->object_info_tbl_offset);
3638 		if (!tbl_v1_4)
3639 			return false;
3640 
3641 		bp->object_info_tbl.v1_4 = tbl_v1_4;
3642 	} else if (bp->object_info_tbl.revision.major == 1
3643 		&& bp->object_info_tbl.revision.minor == 5) {
3644 		struct display_object_info_table_v1_5 *tbl_v1_5;
3645 
3646 		tbl_v1_5 = GET_IMAGE(struct display_object_info_table_v1_5,
3647 			bp->object_info_tbl_offset);
3648 		if (!tbl_v1_5)
3649 			return false;
3650 
3651 		bp->object_info_tbl.v1_5 = tbl_v1_5;
3652 	} else {
3653 		ASSERT(0);
3654 		return false;
3655 	}
3656 
3657 	dal_firmware_parser_init_cmd_tbl(bp);
3658 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
3659 
3660 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
3661 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
3662 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
3663 
3664 	return true;
3665 }
3666 
3667 struct dc_bios *firmware_parser_create(
3668 	struct bp_init_data *init,
3669 	enum dce_version dce_version)
3670 {
3671 	struct bios_parser *bp;
3672 
3673 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
3674 	if (!bp)
3675 		return NULL;
3676 
3677 	if (bios_parser2_construct(bp, init, dce_version))
3678 		return &bp->base;
3679 
3680 	kfree(bp);
3681 	return NULL;
3682 }
3683 
3684 
3685