xref: /linux/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c (revision a1c3be890440a1769ed6f822376a3e3ab0d42994)
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 <linux/slab.h>
27 
28 #include "dm_services.h"
29 
30 #include "ObjectID.h"
31 #include "atomfirmware.h"
32 
33 #include "dc_bios_types.h"
34 #include "include/grph_object_ctrl_defs.h"
35 #include "include/bios_parser_interface.h"
36 #include "include/i2caux_interface.h"
37 #include "include/logger_interface.h"
38 
39 #include "command_table2.h"
40 
41 #include "bios_parser_helper.h"
42 #include "command_table_helper2.h"
43 #include "bios_parser2.h"
44 #include "bios_parser_types_internal2.h"
45 #include "bios_parser_interface.h"
46 
47 #include "bios_parser_common.h"
48 
49 /* Temporarily add in defines until ObjectID.h patch is updated in a few days */
50 #ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT
51 #define GENERIC_OBJECT_ID_BRACKET_LAYOUT          0x05
52 #endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */
53 
54 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1
55 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1	\
56 	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
57 	GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\
58 	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
59 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */
60 
61 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2
62 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2	\
63 	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
64 	GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\
65 	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
66 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */
67 
68 #define DC_LOGGER \
69 	bp->base.ctx->logger
70 
71 #define LAST_RECORD_TYPE 0xff
72 #define SMU9_SYSPLL0_ID  0
73 
74 struct i2c_id_config_access {
75 	uint8_t bfI2C_LineMux:4;
76 	uint8_t bfHW_EngineID:3;
77 	uint8_t bfHW_Capable:1;
78 	uint8_t ucAccess;
79 };
80 
81 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
82 	struct atom_i2c_record *record,
83 	struct graphics_object_i2c_info *info);
84 
85 static enum bp_result bios_parser_get_firmware_info(
86 	struct dc_bios *dcb,
87 	struct dc_firmware_info *info);
88 
89 static enum bp_result bios_parser_get_encoder_cap_info(
90 	struct dc_bios *dcb,
91 	struct graphics_object_id object_id,
92 	struct bp_encoder_cap_info *info);
93 
94 static enum bp_result get_firmware_info_v3_1(
95 	struct bios_parser *bp,
96 	struct dc_firmware_info *info);
97 
98 static enum bp_result get_firmware_info_v3_2(
99 	struct bios_parser *bp,
100 	struct dc_firmware_info *info);
101 
102 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
103 		struct atom_display_object_path_v2 *object);
104 
105 static struct atom_encoder_caps_record *get_encoder_cap_record(
106 	struct bios_parser *bp,
107 	struct atom_display_object_path_v2 *object);
108 
109 #define BIOS_IMAGE_SIZE_OFFSET 2
110 #define BIOS_IMAGE_SIZE_UNIT 512
111 
112 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
113 
114 static void bios_parser2_destruct(struct bios_parser *bp)
115 {
116 	kfree(bp->base.bios_local_image);
117 	kfree(bp->base.integrated_info);
118 }
119 
120 static void firmware_parser_destroy(struct dc_bios **dcb)
121 {
122 	struct bios_parser *bp = BP_FROM_DCB(*dcb);
123 
124 	if (!bp) {
125 		BREAK_TO_DEBUGGER();
126 		return;
127 	}
128 
129 	bios_parser2_destruct(bp);
130 
131 	kfree(bp);
132 	*dcb = NULL;
133 }
134 
135 static void get_atom_data_table_revision(
136 	struct atom_common_table_header *atom_data_tbl,
137 	struct atom_data_revision *tbl_revision)
138 {
139 	if (!tbl_revision)
140 		return;
141 
142 	/* initialize the revision to 0 which is invalid revision */
143 	tbl_revision->major = 0;
144 	tbl_revision->minor = 0;
145 
146 	if (!atom_data_tbl)
147 		return;
148 
149 	tbl_revision->major =
150 			(uint32_t) atom_data_tbl->format_revision & 0x3f;
151 	tbl_revision->minor =
152 			(uint32_t) atom_data_tbl->content_revision & 0x3f;
153 }
154 
155 /* BIOS oject table displaypath is per connector.
156  * There is extra path not for connector. BIOS fill its encoderid as 0
157  */
158 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
159 {
160 	struct bios_parser *bp = BP_FROM_DCB(dcb);
161 	unsigned int count = 0;
162 	unsigned int i;
163 
164 	for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
165 		if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
166 			count++;
167 	}
168 	return count;
169 }
170 
171 static struct graphics_object_id bios_parser_get_connector_id(
172 	struct dc_bios *dcb,
173 	uint8_t i)
174 {
175 	struct bios_parser *bp = BP_FROM_DCB(dcb);
176 	struct graphics_object_id object_id = dal_graphics_object_id_init(
177 		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
178 	struct object_info_table *tbl = &bp->object_info_tbl;
179 	struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
180 
181 	if (v1_4->number_of_path > i) {
182 		/* If display_objid is generic object id,  the encoderObj
183 		 * /extencoderobjId should be 0
184 		 */
185 		if (v1_4->display_path[i].encoderobjid != 0 &&
186 				v1_4->display_path[i].display_objid != 0)
187 			object_id = object_id_from_bios_object_id(
188 					v1_4->display_path[i].display_objid);
189 	}
190 
191 	return object_id;
192 }
193 
194 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
195 	struct graphics_object_id object_id, uint32_t index,
196 	struct graphics_object_id *src_object_id)
197 {
198 	struct bios_parser *bp = BP_FROM_DCB(dcb);
199 	unsigned int i;
200 	enum bp_result  bp_result = BP_RESULT_BADINPUT;
201 	struct graphics_object_id obj_id = {0};
202 	struct object_info_table *tbl = &bp->object_info_tbl;
203 
204 	if (!src_object_id)
205 		return bp_result;
206 
207 	switch (object_id.type) {
208 	/* Encoder's Source is GPU.  BIOS does not provide GPU, since all
209 	 * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
210 	 */
211 	case OBJECT_TYPE_ENCODER:
212 		/* TODO: since num of src must be less than 2.
213 		 * If found in for loop, should break.
214 		 * DAL2 implementation may be changed too
215 		 */
216 		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
217 			obj_id = object_id_from_bios_object_id(
218 			tbl->v1_4->display_path[i].encoderobjid);
219 			if (object_id.type == obj_id.type &&
220 					object_id.id == obj_id.id &&
221 						object_id.enum_id ==
222 							obj_id.enum_id) {
223 				*src_object_id =
224 				object_id_from_bios_object_id(0x1100);
225 				/* break; */
226 			}
227 		}
228 		bp_result = BP_RESULT_OK;
229 		break;
230 	case OBJECT_TYPE_CONNECTOR:
231 		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
232 			obj_id = object_id_from_bios_object_id(
233 				tbl->v1_4->display_path[i].display_objid);
234 
235 			if (object_id.type == obj_id.type &&
236 				object_id.id == obj_id.id &&
237 					object_id.enum_id == obj_id.enum_id) {
238 				*src_object_id =
239 				object_id_from_bios_object_id(
240 				tbl->v1_4->display_path[i].encoderobjid);
241 				/* break; */
242 			}
243 		}
244 		bp_result = BP_RESULT_OK;
245 		break;
246 	default:
247 		break;
248 	}
249 
250 	return bp_result;
251 }
252 
253 /* from graphics_object_id, find display path which includes the object_id */
254 static struct atom_display_object_path_v2 *get_bios_object(
255 		struct bios_parser *bp,
256 		struct graphics_object_id id)
257 {
258 	unsigned int i;
259 	struct graphics_object_id obj_id = {0};
260 
261 	switch (id.type) {
262 	case OBJECT_TYPE_ENCODER:
263 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
264 			obj_id = object_id_from_bios_object_id(
265 					bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
266 			if (id.type == obj_id.type && id.id == obj_id.id
267 					&& id.enum_id == obj_id.enum_id)
268 				return &bp->object_info_tbl.v1_4->display_path[i];
269 		}
270 		fallthrough;
271 	case OBJECT_TYPE_CONNECTOR:
272 	case OBJECT_TYPE_GENERIC:
273 		/* Both Generic and Connector Object ID
274 		 * will be stored on display_objid
275 		 */
276 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
277 			obj_id = object_id_from_bios_object_id(
278 					bp->object_info_tbl.v1_4->display_path[i].display_objid);
279 			if (id.type == obj_id.type && id.id == obj_id.id
280 					&& id.enum_id == obj_id.enum_id)
281 				return &bp->object_info_tbl.v1_4->display_path[i];
282 		}
283 		fallthrough;
284 	default:
285 		return NULL;
286 	}
287 }
288 
289 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
290 	struct graphics_object_id id,
291 	struct graphics_object_i2c_info *info)
292 {
293 	uint32_t offset;
294 	struct atom_display_object_path_v2 *object;
295 	struct atom_common_record_header *header;
296 	struct atom_i2c_record *record;
297 	struct atom_i2c_record dummy_record = {0};
298 	struct bios_parser *bp = BP_FROM_DCB(dcb);
299 
300 	if (!info)
301 		return BP_RESULT_BADINPUT;
302 
303 	if (id.type == OBJECT_TYPE_GENERIC) {
304 		dummy_record.i2c_id = id.id;
305 
306 		if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
307 			return BP_RESULT_OK;
308 		else
309 			return BP_RESULT_NORECORD;
310 	}
311 
312 	object = get_bios_object(bp, id);
313 
314 	if (!object)
315 		return BP_RESULT_BADINPUT;
316 
317 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
318 
319 	for (;;) {
320 		header = GET_IMAGE(struct atom_common_record_header, offset);
321 
322 		if (!header)
323 			return BP_RESULT_BADBIOSTABLE;
324 
325 		if (header->record_type == LAST_RECORD_TYPE ||
326 			!header->record_size)
327 			break;
328 
329 		if (header->record_type == ATOM_I2C_RECORD_TYPE
330 			&& sizeof(struct atom_i2c_record) <=
331 							header->record_size) {
332 			/* get the I2C info */
333 			record = (struct atom_i2c_record *) header;
334 
335 			if (get_gpio_i2c_info(bp, record, info) ==
336 								BP_RESULT_OK)
337 				return BP_RESULT_OK;
338 		}
339 
340 		offset += header->record_size;
341 	}
342 
343 	return BP_RESULT_NORECORD;
344 }
345 
346 static enum bp_result get_gpio_i2c_info(
347 	struct bios_parser *bp,
348 	struct atom_i2c_record *record,
349 	struct graphics_object_i2c_info *info)
350 {
351 	struct atom_gpio_pin_lut_v2_1 *header;
352 	uint32_t count = 0;
353 	unsigned int table_index = 0;
354 	bool find_valid = false;
355 
356 	if (!info)
357 		return BP_RESULT_BADINPUT;
358 
359 	/* get the GPIO_I2C info */
360 	if (!DATA_TABLES(gpio_pin_lut))
361 		return BP_RESULT_BADBIOSTABLE;
362 
363 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
364 					DATA_TABLES(gpio_pin_lut));
365 	if (!header)
366 		return BP_RESULT_BADBIOSTABLE;
367 
368 	if (sizeof(struct atom_common_table_header) +
369 			sizeof(struct atom_gpio_pin_assignment)	>
370 			le16_to_cpu(header->table_header.structuresize))
371 		return BP_RESULT_BADBIOSTABLE;
372 
373 	/* TODO: is version change? */
374 	if (header->table_header.content_revision != 1)
375 		return BP_RESULT_UNSUPPORTED;
376 
377 	/* get data count */
378 	count = (le16_to_cpu(header->table_header.structuresize)
379 			- sizeof(struct atom_common_table_header))
380 				/ sizeof(struct atom_gpio_pin_assignment);
381 
382 	for (table_index = 0; table_index < count; table_index++) {
383 		if (((record->i2c_id & I2C_HW_CAP) == (
384 		header->gpio_pin[table_index].gpio_id &
385 						I2C_HW_CAP)) &&
386 		((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
387 		(header->gpio_pin[table_index].gpio_id &
388 					I2C_HW_ENGINE_ID_MASK)) &&
389 		((record->i2c_id & I2C_HW_LANE_MUX) ==
390 		(header->gpio_pin[table_index].gpio_id &
391 						I2C_HW_LANE_MUX))) {
392 			/* still valid */
393 			find_valid = true;
394 			break;
395 		}
396 	}
397 
398 	/* If we don't find the entry that we are looking for then
399 	 *  we will return BP_Result_BadBiosTable.
400 	 */
401 	if (find_valid == false)
402 		return BP_RESULT_BADBIOSTABLE;
403 
404 	/* get the GPIO_I2C_INFO */
405 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
406 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
407 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
408 	info->i2c_slave_address = record->i2c_slave_addr;
409 
410 	/* TODO: check how to get register offset for en, Y, etc. */
411 	info->gpio_info.clk_a_register_index =
412 			le16_to_cpu(
413 			header->gpio_pin[table_index].data_a_reg_index);
414 	info->gpio_info.clk_a_shift =
415 			header->gpio_pin[table_index].gpio_bitshift;
416 
417 	return BP_RESULT_OK;
418 }
419 
420 static enum bp_result bios_parser_get_hpd_info(
421 	struct dc_bios *dcb,
422 	struct graphics_object_id id,
423 	struct graphics_object_hpd_info *info)
424 {
425 	struct bios_parser *bp = BP_FROM_DCB(dcb);
426 	struct atom_display_object_path_v2 *object;
427 	struct atom_hpd_int_record *record = NULL;
428 
429 	if (!info)
430 		return BP_RESULT_BADINPUT;
431 
432 	object = get_bios_object(bp, id);
433 
434 	if (!object)
435 		return BP_RESULT_BADINPUT;
436 
437 	record = get_hpd_record(bp, object);
438 
439 	if (record != NULL) {
440 		info->hpd_int_gpio_uid = record->pin_id;
441 		info->hpd_active = record->plugin_pin_state;
442 		return BP_RESULT_OK;
443 	}
444 
445 	return BP_RESULT_NORECORD;
446 }
447 
448 static struct atom_hpd_int_record *get_hpd_record(
449 	struct bios_parser *bp,
450 	struct atom_display_object_path_v2 *object)
451 {
452 	struct atom_common_record_header *header;
453 	uint32_t offset;
454 
455 	if (!object) {
456 		BREAK_TO_DEBUGGER(); /* Invalid object */
457 		return NULL;
458 	}
459 
460 	offset = le16_to_cpu(object->disp_recordoffset)
461 			+ bp->object_info_tbl_offset;
462 
463 	for (;;) {
464 		header = GET_IMAGE(struct atom_common_record_header, offset);
465 
466 		if (!header)
467 			return NULL;
468 
469 		if (header->record_type == LAST_RECORD_TYPE ||
470 			!header->record_size)
471 			break;
472 
473 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
474 			&& sizeof(struct atom_hpd_int_record) <=
475 							header->record_size)
476 			return (struct atom_hpd_int_record *) header;
477 
478 		offset += header->record_size;
479 	}
480 
481 	return NULL;
482 }
483 
484 /**
485  * bios_parser_get_gpio_pin_info
486  * Get GpioPin information of input gpio id
487  *
488  * @dcb:     pointer to the DC BIOS
489  * @gpio_id: GPIO ID
490  * @info:    GpioPin information structure
491  * return: Bios parser result code
492  * note:
493  *  to get the GPIO PIN INFO, we need:
494  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
495  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
496  *	to get the registerA  offset/mask
497  */
498 static enum bp_result bios_parser_get_gpio_pin_info(
499 	struct dc_bios *dcb,
500 	uint32_t gpio_id,
501 	struct gpio_pin_info *info)
502 {
503 	struct bios_parser *bp = BP_FROM_DCB(dcb);
504 	struct atom_gpio_pin_lut_v2_1 *header;
505 	uint32_t count = 0;
506 	uint32_t i = 0;
507 
508 	if (!DATA_TABLES(gpio_pin_lut))
509 		return BP_RESULT_BADBIOSTABLE;
510 
511 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
512 						DATA_TABLES(gpio_pin_lut));
513 	if (!header)
514 		return BP_RESULT_BADBIOSTABLE;
515 
516 	if (sizeof(struct atom_common_table_header) +
517 			sizeof(struct atom_gpio_pin_assignment)
518 			> le16_to_cpu(header->table_header.structuresize))
519 		return BP_RESULT_BADBIOSTABLE;
520 
521 	if (header->table_header.content_revision != 1)
522 		return BP_RESULT_UNSUPPORTED;
523 
524 	/* Temporary hard code gpio pin info */
525 #if defined(FOR_SIMNOW_BOOT)
526 	{
527 		struct  atom_gpio_pin_assignment  gpio_pin[8] = {
528 				{0x5db5, 0, 0, 1, 0},
529 				{0x5db5, 8, 8, 2, 0},
530 				{0x5db5, 0x10, 0x10, 3, 0},
531 				{0x5db5, 0x18, 0x14, 4, 0},
532 				{0x5db5, 0x1A, 0x18, 5, 0},
533 				{0x5db5, 0x1C, 0x1C, 6, 0},
534 		};
535 
536 		count = 6;
537 		memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
538 	}
539 #else
540 	count = (le16_to_cpu(header->table_header.structuresize)
541 			- sizeof(struct atom_common_table_header))
542 				/ sizeof(struct atom_gpio_pin_assignment);
543 #endif
544 	for (i = 0; i < count; ++i) {
545 		if (header->gpio_pin[i].gpio_id != gpio_id)
546 			continue;
547 
548 		info->offset =
549 			(uint32_t) le16_to_cpu(
550 					header->gpio_pin[i].data_a_reg_index);
551 		info->offset_y = info->offset + 2;
552 		info->offset_en = info->offset + 1;
553 		info->offset_mask = info->offset - 1;
554 
555 		info->mask = (uint32_t) (1 <<
556 			header->gpio_pin[i].gpio_bitshift);
557 		info->mask_y = info->mask + 2;
558 		info->mask_en = info->mask + 1;
559 		info->mask_mask = info->mask - 1;
560 
561 		return BP_RESULT_OK;
562 	}
563 
564 	return BP_RESULT_NORECORD;
565 }
566 
567 static struct device_id device_type_from_device_id(uint16_t device_id)
568 {
569 
570 	struct device_id result_device_id;
571 
572 	result_device_id.raw_device_tag = device_id;
573 
574 	switch (device_id) {
575 	case ATOM_DISPLAY_LCD1_SUPPORT:
576 		result_device_id.device_type = DEVICE_TYPE_LCD;
577 		result_device_id.enum_id = 1;
578 		break;
579 
580 	case ATOM_DISPLAY_DFP1_SUPPORT:
581 		result_device_id.device_type = DEVICE_TYPE_DFP;
582 		result_device_id.enum_id = 1;
583 		break;
584 
585 	case ATOM_DISPLAY_DFP2_SUPPORT:
586 		result_device_id.device_type = DEVICE_TYPE_DFP;
587 		result_device_id.enum_id = 2;
588 		break;
589 
590 	case ATOM_DISPLAY_DFP3_SUPPORT:
591 		result_device_id.device_type = DEVICE_TYPE_DFP;
592 		result_device_id.enum_id = 3;
593 		break;
594 
595 	case ATOM_DISPLAY_DFP4_SUPPORT:
596 		result_device_id.device_type = DEVICE_TYPE_DFP;
597 		result_device_id.enum_id = 4;
598 		break;
599 
600 	case ATOM_DISPLAY_DFP5_SUPPORT:
601 		result_device_id.device_type = DEVICE_TYPE_DFP;
602 		result_device_id.enum_id = 5;
603 		break;
604 
605 	case ATOM_DISPLAY_DFP6_SUPPORT:
606 		result_device_id.device_type = DEVICE_TYPE_DFP;
607 		result_device_id.enum_id = 6;
608 		break;
609 
610 	default:
611 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
612 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
613 		result_device_id.enum_id = 0;
614 	}
615 	return result_device_id;
616 }
617 
618 static enum bp_result bios_parser_get_device_tag(
619 	struct dc_bios *dcb,
620 	struct graphics_object_id connector_object_id,
621 	uint32_t device_tag_index,
622 	struct connector_device_tag_info *info)
623 {
624 	struct bios_parser *bp = BP_FROM_DCB(dcb);
625 	struct atom_display_object_path_v2 *object;
626 
627 	if (!info)
628 		return BP_RESULT_BADINPUT;
629 
630 	/* getBiosObject will return MXM object */
631 	object = get_bios_object(bp, connector_object_id);
632 
633 	if (!object) {
634 		BREAK_TO_DEBUGGER(); /* Invalid object id */
635 		return BP_RESULT_BADINPUT;
636 	}
637 
638 	info->acpi_device = 0; /* BIOS no longer provides this */
639 	info->dev_id = device_type_from_device_id(object->device_tag);
640 
641 	return BP_RESULT_OK;
642 }
643 
644 static enum bp_result get_ss_info_v4_1(
645 	struct bios_parser *bp,
646 	uint32_t id,
647 	uint32_t index,
648 	struct spread_spectrum_info *ss_info)
649 {
650 	enum bp_result result = BP_RESULT_OK;
651 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
652 	struct atom_smu_info_v3_3 *smu_info = NULL;
653 
654 	if (!ss_info)
655 		return BP_RESULT_BADINPUT;
656 
657 	if (!DATA_TABLES(dce_info))
658 		return BP_RESULT_BADBIOSTABLE;
659 
660 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
661 							DATA_TABLES(dce_info));
662 	if (!disp_cntl_tbl)
663 		return BP_RESULT_BADBIOSTABLE;
664 
665 
666 	ss_info->type.STEP_AND_DELAY_INFO = false;
667 	ss_info->spread_percentage_divider = 1000;
668 	/* BIOS no longer uses target clock.  Always enable for now */
669 	ss_info->target_clock_range = 0xffffffff;
670 
671 	switch (id) {
672 	case AS_SIGNAL_TYPE_DVI:
673 		ss_info->spread_spectrum_percentage =
674 				disp_cntl_tbl->dvi_ss_percentage;
675 		ss_info->spread_spectrum_range =
676 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
677 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
678 			ss_info->type.CENTER_MODE = true;
679 		break;
680 	case AS_SIGNAL_TYPE_HDMI:
681 		ss_info->spread_spectrum_percentage =
682 				disp_cntl_tbl->hdmi_ss_percentage;
683 		ss_info->spread_spectrum_range =
684 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
685 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
686 			ss_info->type.CENTER_MODE = true;
687 		break;
688 	/* TODO LVDS not support anymore? */
689 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
690 		ss_info->spread_spectrum_percentage =
691 				disp_cntl_tbl->dp_ss_percentage;
692 		ss_info->spread_spectrum_range =
693 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
694 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
695 			ss_info->type.CENTER_MODE = true;
696 		break;
697 	case AS_SIGNAL_TYPE_GPU_PLL:
698 		/* atom_firmware: DAL only get data from dce_info table.
699 		 * if data within smu_info is needed for DAL, VBIOS should
700 		 * copy it into dce_info
701 		 */
702 		result = BP_RESULT_UNSUPPORTED;
703 		break;
704 	case AS_SIGNAL_TYPE_XGMI:
705 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
706 				      DATA_TABLES(smu_info));
707 		if (!smu_info)
708 			return BP_RESULT_BADBIOSTABLE;
709 
710 		ss_info->spread_spectrum_percentage =
711 				smu_info->waflclk_ss_percentage;
712 		ss_info->spread_spectrum_range =
713 				smu_info->gpuclk_ss_rate_10hz * 10;
714 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
715 			ss_info->type.CENTER_MODE = true;
716 		break;
717 	default:
718 		result = BP_RESULT_UNSUPPORTED;
719 	}
720 
721 	return result;
722 }
723 
724 static enum bp_result get_ss_info_v4_2(
725 	struct bios_parser *bp,
726 	uint32_t id,
727 	uint32_t index,
728 	struct spread_spectrum_info *ss_info)
729 {
730 	enum bp_result result = BP_RESULT_OK;
731 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
732 	struct atom_smu_info_v3_1 *smu_info = NULL;
733 
734 	if (!ss_info)
735 		return BP_RESULT_BADINPUT;
736 
737 	if (!DATA_TABLES(dce_info))
738 		return BP_RESULT_BADBIOSTABLE;
739 
740 	if (!DATA_TABLES(smu_info))
741 		return BP_RESULT_BADBIOSTABLE;
742 
743 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
744 							DATA_TABLES(dce_info));
745 	if (!disp_cntl_tbl)
746 		return BP_RESULT_BADBIOSTABLE;
747 
748 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
749 	if (!smu_info)
750 		return BP_RESULT_BADBIOSTABLE;
751 
752 	ss_info->type.STEP_AND_DELAY_INFO = false;
753 	ss_info->spread_percentage_divider = 1000;
754 	/* BIOS no longer uses target clock.  Always enable for now */
755 	ss_info->target_clock_range = 0xffffffff;
756 
757 	switch (id) {
758 	case AS_SIGNAL_TYPE_DVI:
759 		ss_info->spread_spectrum_percentage =
760 				disp_cntl_tbl->dvi_ss_percentage;
761 		ss_info->spread_spectrum_range =
762 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
763 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
764 			ss_info->type.CENTER_MODE = true;
765 		break;
766 	case AS_SIGNAL_TYPE_HDMI:
767 		ss_info->spread_spectrum_percentage =
768 				disp_cntl_tbl->hdmi_ss_percentage;
769 		ss_info->spread_spectrum_range =
770 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
771 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
772 			ss_info->type.CENTER_MODE = true;
773 		break;
774 	/* TODO LVDS not support anymore? */
775 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
776 		ss_info->spread_spectrum_percentage =
777 				smu_info->gpuclk_ss_percentage;
778 		ss_info->spread_spectrum_range =
779 				smu_info->gpuclk_ss_rate_10hz * 10;
780 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
781 			ss_info->type.CENTER_MODE = true;
782 		break;
783 	case AS_SIGNAL_TYPE_GPU_PLL:
784 		/* atom_firmware: DAL only get data from dce_info table.
785 		 * if data within smu_info is needed for DAL, VBIOS should
786 		 * copy it into dce_info
787 		 */
788 		result = BP_RESULT_UNSUPPORTED;
789 		break;
790 	default:
791 		result = BP_RESULT_UNSUPPORTED;
792 	}
793 
794 	return result;
795 }
796 
797 /**
798  * bios_parser_get_spread_spectrum_info
799  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
800  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
801  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
802  * ver 3.1,
803  * there is only one entry for each signal /ss id.  However, there is
804  * no planning of supporting multiple spread Sprectum entry for EverGreen
805  * @dcb:     pointer to the DC BIOS
806  * @signal:  ASSignalType to be converted to info index
807  * @index:   number of entries that match the converted info index
808  * @ss_info: sprectrum information structure,
809  * return: Bios parser result code
810  */
811 static enum bp_result bios_parser_get_spread_spectrum_info(
812 	struct dc_bios *dcb,
813 	enum as_signal_type signal,
814 	uint32_t index,
815 	struct spread_spectrum_info *ss_info)
816 {
817 	struct bios_parser *bp = BP_FROM_DCB(dcb);
818 	enum bp_result result = BP_RESULT_UNSUPPORTED;
819 	struct atom_common_table_header *header;
820 	struct atom_data_revision tbl_revision;
821 
822 	if (!ss_info) /* check for bad input */
823 		return BP_RESULT_BADINPUT;
824 
825 	if (!DATA_TABLES(dce_info))
826 		return BP_RESULT_UNSUPPORTED;
827 
828 	header = GET_IMAGE(struct atom_common_table_header,
829 						DATA_TABLES(dce_info));
830 	get_atom_data_table_revision(header, &tbl_revision);
831 
832 	switch (tbl_revision.major) {
833 	case 4:
834 		switch (tbl_revision.minor) {
835 		case 1:
836 			return get_ss_info_v4_1(bp, signal, index, ss_info);
837 		case 2:
838 		case 3:
839 			return get_ss_info_v4_2(bp, signal, index, ss_info);
840 		default:
841 			break;
842 		}
843 		break;
844 	default:
845 		break;
846 	}
847 	/* there can not be more then one entry for SS Info table */
848 	return result;
849 }
850 
851 static enum bp_result get_soc_bb_info_v4_4(
852 	struct bios_parser *bp,
853 	struct bp_soc_bb_info *soc_bb_info)
854 {
855 	enum bp_result result = BP_RESULT_OK;
856 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
857 
858 	if (!soc_bb_info)
859 		return BP_RESULT_BADINPUT;
860 
861 	if (!DATA_TABLES(dce_info))
862 		return BP_RESULT_BADBIOSTABLE;
863 
864 	if (!DATA_TABLES(smu_info))
865 		return BP_RESULT_BADBIOSTABLE;
866 
867 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
868 							DATA_TABLES(dce_info));
869 	if (!disp_cntl_tbl)
870 		return BP_RESULT_BADBIOSTABLE;
871 
872 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
873 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
874 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
875 
876 	return result;
877 }
878 
879 static enum bp_result bios_parser_get_soc_bb_info(
880 	struct dc_bios *dcb,
881 	struct bp_soc_bb_info *soc_bb_info)
882 {
883 	struct bios_parser *bp = BP_FROM_DCB(dcb);
884 	enum bp_result result = BP_RESULT_UNSUPPORTED;
885 	struct atom_common_table_header *header;
886 	struct atom_data_revision tbl_revision;
887 
888 	if (!soc_bb_info) /* check for bad input */
889 		return BP_RESULT_BADINPUT;
890 
891 	if (!DATA_TABLES(dce_info))
892 		return BP_RESULT_UNSUPPORTED;
893 
894 	header = GET_IMAGE(struct atom_common_table_header,
895 						DATA_TABLES(dce_info));
896 	get_atom_data_table_revision(header, &tbl_revision);
897 
898 	switch (tbl_revision.major) {
899 	case 4:
900 		switch (tbl_revision.minor) {
901 		case 1:
902 		case 2:
903 		case 3:
904 			break;
905 		case 4:
906 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
907 			break;
908 		default:
909 			break;
910 		}
911 		break;
912 	default:
913 		break;
914 	}
915 
916 	return result;
917 }
918 
919 static enum bp_result get_embedded_panel_info_v2_1(
920 		struct bios_parser *bp,
921 		struct embedded_panel_info *info)
922 {
923 	struct lcd_info_v2_1 *lvds;
924 
925 	if (!info)
926 		return BP_RESULT_BADINPUT;
927 
928 	if (!DATA_TABLES(lcd_info))
929 		return BP_RESULT_UNSUPPORTED;
930 
931 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
932 
933 	if (!lvds)
934 		return BP_RESULT_BADBIOSTABLE;
935 
936 	/* TODO: previous vv1_3, should v2_1 */
937 	if (!((lvds->table_header.format_revision == 2)
938 			&& (lvds->table_header.content_revision >= 1)))
939 		return BP_RESULT_UNSUPPORTED;
940 
941 	memset(info, 0, sizeof(struct embedded_panel_info));
942 
943 	/* We need to convert from 10KHz units into KHz units */
944 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
945 	/* usHActive does not include borders, according to VBIOS team */
946 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
947 	/* usHBlanking_Time includes borders, so we should really be
948 	 * subtractingborders duing this translation, but LVDS generally
949 	 * doesn't have borders, so we should be okay leaving this as is for
950 	 * now.  May need to revisit if we ever have LVDS with borders
951 	 */
952 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
953 	/* usVActive does not include borders, according to VBIOS team*/
954 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
955 	/* usVBlanking_Time includes borders, so we should really be
956 	 * subtracting borders duing this translation, but LVDS generally
957 	 * doesn't have borders, so we should be okay leaving this as is for
958 	 * now. May need to revisit if we ever have LVDS with borders
959 	 */
960 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
961 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
962 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
963 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
964 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
965 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
966 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
967 
968 	/* not provided by VBIOS */
969 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
970 
971 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
972 			& ATOM_HSYNC_POLARITY);
973 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
974 			& ATOM_VSYNC_POLARITY);
975 
976 	/* not provided by VBIOS */
977 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
978 
979 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
980 			& ATOM_H_REPLICATIONBY2);
981 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
982 			& ATOM_V_REPLICATIONBY2);
983 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
984 			& ATOM_COMPOSITESYNC);
985 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
986 
987 	/* not provided by VBIOS*/
988 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
989 	/* not provided by VBIOS*/
990 	info->ss_id = 0;
991 
992 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
993 
994 	return BP_RESULT_OK;
995 }
996 
997 static enum bp_result bios_parser_get_embedded_panel_info(
998 		struct dc_bios *dcb,
999 		struct embedded_panel_info *info)
1000 {
1001 	struct bios_parser
1002 	*bp = BP_FROM_DCB(dcb);
1003 	struct atom_common_table_header *header;
1004 	struct atom_data_revision tbl_revision;
1005 
1006 	if (!DATA_TABLES(lcd_info))
1007 		return BP_RESULT_FAILURE;
1008 
1009 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1010 
1011 	if (!header)
1012 		return BP_RESULT_BADBIOSTABLE;
1013 
1014 	get_atom_data_table_revision(header, &tbl_revision);
1015 
1016 	switch (tbl_revision.major) {
1017 	case 2:
1018 		switch (tbl_revision.minor) {
1019 		case 1:
1020 			return get_embedded_panel_info_v2_1(bp, info);
1021 		default:
1022 			break;
1023 		}
1024 		break;
1025 	default:
1026 		break;
1027 	}
1028 
1029 	return BP_RESULT_FAILURE;
1030 }
1031 
1032 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1033 {
1034 	enum dal_device_type device_type = device_id.device_type;
1035 	uint32_t enum_id = device_id.enum_id;
1036 
1037 	switch (device_type) {
1038 	case DEVICE_TYPE_LCD:
1039 		switch (enum_id) {
1040 		case 1:
1041 			return ATOM_DISPLAY_LCD1_SUPPORT;
1042 		default:
1043 			break;
1044 		}
1045 		break;
1046 	case DEVICE_TYPE_DFP:
1047 		switch (enum_id) {
1048 		case 1:
1049 			return ATOM_DISPLAY_DFP1_SUPPORT;
1050 		case 2:
1051 			return ATOM_DISPLAY_DFP2_SUPPORT;
1052 		case 3:
1053 			return ATOM_DISPLAY_DFP3_SUPPORT;
1054 		case 4:
1055 			return ATOM_DISPLAY_DFP4_SUPPORT;
1056 		case 5:
1057 			return ATOM_DISPLAY_DFP5_SUPPORT;
1058 		case 6:
1059 			return ATOM_DISPLAY_DFP6_SUPPORT;
1060 		default:
1061 			break;
1062 		}
1063 		break;
1064 	default:
1065 		break;
1066 	}
1067 
1068 	/* Unidentified device ID, return empty support mask. */
1069 	return 0;
1070 }
1071 
1072 static bool bios_parser_is_device_id_supported(
1073 	struct dc_bios *dcb,
1074 	struct device_id id)
1075 {
1076 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1077 
1078 	uint32_t mask = get_support_mask_for_device_id(id);
1079 
1080 	return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1081 								mask) != 0;
1082 }
1083 
1084 static uint32_t bios_parser_get_ss_entry_number(
1085 	struct dc_bios *dcb,
1086 	enum as_signal_type signal)
1087 {
1088 	/* TODO: DAL2 atomfirmware implementation does not need this.
1089 	 * why DAL3 need this?
1090 	 */
1091 	return 1;
1092 }
1093 
1094 static enum bp_result bios_parser_transmitter_control(
1095 	struct dc_bios *dcb,
1096 	struct bp_transmitter_control *cntl)
1097 {
1098 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1099 
1100 	if (!bp->cmd_tbl.transmitter_control)
1101 		return BP_RESULT_FAILURE;
1102 
1103 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1104 }
1105 
1106 static enum bp_result bios_parser_encoder_control(
1107 	struct dc_bios *dcb,
1108 	struct bp_encoder_control *cntl)
1109 {
1110 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1111 
1112 	if (!bp->cmd_tbl.dig_encoder_control)
1113 		return BP_RESULT_FAILURE;
1114 
1115 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1116 }
1117 
1118 static enum bp_result bios_parser_set_pixel_clock(
1119 	struct dc_bios *dcb,
1120 	struct bp_pixel_clock_parameters *bp_params)
1121 {
1122 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1123 
1124 	if (!bp->cmd_tbl.set_pixel_clock)
1125 		return BP_RESULT_FAILURE;
1126 
1127 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1128 }
1129 
1130 static enum bp_result bios_parser_set_dce_clock(
1131 	struct dc_bios *dcb,
1132 	struct bp_set_dce_clock_parameters *bp_params)
1133 {
1134 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1135 
1136 	if (!bp->cmd_tbl.set_dce_clock)
1137 		return BP_RESULT_FAILURE;
1138 
1139 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1140 }
1141 
1142 static enum bp_result bios_parser_program_crtc_timing(
1143 	struct dc_bios *dcb,
1144 	struct bp_hw_crtc_timing_parameters *bp_params)
1145 {
1146 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1147 
1148 	if (!bp->cmd_tbl.set_crtc_timing)
1149 		return BP_RESULT_FAILURE;
1150 
1151 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1152 }
1153 
1154 static enum bp_result bios_parser_enable_crtc(
1155 	struct dc_bios *dcb,
1156 	enum controller_id id,
1157 	bool enable)
1158 {
1159 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1160 
1161 	if (!bp->cmd_tbl.enable_crtc)
1162 		return BP_RESULT_FAILURE;
1163 
1164 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1165 }
1166 
1167 static enum bp_result bios_parser_enable_disp_power_gating(
1168 	struct dc_bios *dcb,
1169 	enum controller_id controller_id,
1170 	enum bp_pipe_control_action action)
1171 {
1172 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1173 
1174 	if (!bp->cmd_tbl.enable_disp_power_gating)
1175 		return BP_RESULT_FAILURE;
1176 
1177 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1178 		action);
1179 }
1180 
1181 static enum bp_result bios_parser_enable_lvtma_control(
1182 	struct dc_bios *dcb,
1183 	uint8_t uc_pwr_on)
1184 {
1185 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1186 
1187 	if (!bp->cmd_tbl.enable_lvtma_control)
1188 		return BP_RESULT_FAILURE;
1189 
1190 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on);
1191 }
1192 
1193 static bool bios_parser_is_accelerated_mode(
1194 	struct dc_bios *dcb)
1195 {
1196 	return bios_is_accelerated_mode(dcb);
1197 }
1198 
1199 /**
1200  * bios_parser_set_scratch_critical_state - update critical state bit
1201  *                                          in VBIOS scratch register
1202  *
1203  * @dcb:   pointer to the DC BIO
1204  * @state: set or reset state
1205  */
1206 static void bios_parser_set_scratch_critical_state(
1207 	struct dc_bios *dcb,
1208 	bool state)
1209 {
1210 	bios_set_scratch_critical_state(dcb, state);
1211 }
1212 
1213 static enum bp_result bios_parser_get_firmware_info(
1214 	struct dc_bios *dcb,
1215 	struct dc_firmware_info *info)
1216 {
1217 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1218 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1219 	struct atom_common_table_header *header;
1220 
1221 	struct atom_data_revision revision;
1222 
1223 	if (info && DATA_TABLES(firmwareinfo)) {
1224 		header = GET_IMAGE(struct atom_common_table_header,
1225 				DATA_TABLES(firmwareinfo));
1226 		get_atom_data_table_revision(header, &revision);
1227 		switch (revision.major) {
1228 		case 3:
1229 			switch (revision.minor) {
1230 			case 1:
1231 				result = get_firmware_info_v3_1(bp, info);
1232 				break;
1233 			case 2:
1234 			case 3:
1235 			case 4:
1236 				result = get_firmware_info_v3_2(bp, info);
1237 				break;
1238 			default:
1239 				break;
1240 			}
1241 			break;
1242 		default:
1243 			break;
1244 		}
1245 	}
1246 
1247 	return result;
1248 }
1249 
1250 static enum bp_result get_firmware_info_v3_1(
1251 	struct bios_parser *bp,
1252 	struct dc_firmware_info *info)
1253 {
1254 	struct atom_firmware_info_v3_1 *firmware_info;
1255 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1256 
1257 	if (!info)
1258 		return BP_RESULT_BADINPUT;
1259 
1260 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1261 			DATA_TABLES(firmwareinfo));
1262 
1263 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1264 			DATA_TABLES(dce_info));
1265 
1266 	if (!firmware_info || !dce_info)
1267 		return BP_RESULT_BADBIOSTABLE;
1268 
1269 	memset(info, 0, sizeof(*info));
1270 
1271 	/* Pixel clock pll information. */
1272 	 /* We need to convert from 10KHz units into KHz units */
1273 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1274 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1275 
1276 	 /* 27MHz for Vega10: */
1277 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1278 
1279 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1280 	if (info->pll_info.crystal_frequency == 0)
1281 		info->pll_info.crystal_frequency = 27000;
1282 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1283 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1284 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1285 
1286 	/* Get GPU PLL VCO Clock */
1287 
1288 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1289 		/* VBIOS gives in 10KHz */
1290 		info->smu_gpu_pll_output_freq =
1291 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1292 	}
1293 
1294 	info->oem_i2c_present = false;
1295 
1296 	return BP_RESULT_OK;
1297 }
1298 
1299 static enum bp_result get_firmware_info_v3_2(
1300 	struct bios_parser *bp,
1301 	struct dc_firmware_info *info)
1302 {
1303 	struct atom_firmware_info_v3_2 *firmware_info;
1304 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1305 	struct atom_common_table_header *header;
1306 	struct atom_data_revision revision;
1307 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1308 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1309 
1310 	if (!info)
1311 		return BP_RESULT_BADINPUT;
1312 
1313 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1314 			DATA_TABLES(firmwareinfo));
1315 
1316 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1317 			DATA_TABLES(dce_info));
1318 
1319 	if (!firmware_info || !dce_info)
1320 		return BP_RESULT_BADBIOSTABLE;
1321 
1322 	memset(info, 0, sizeof(*info));
1323 
1324 	header = GET_IMAGE(struct atom_common_table_header,
1325 					DATA_TABLES(smu_info));
1326 	get_atom_data_table_revision(header, &revision);
1327 
1328 	if (revision.minor == 2) {
1329 		/* Vega12 */
1330 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1331 							DATA_TABLES(smu_info));
1332 
1333 		if (!smu_info_v3_2)
1334 			return BP_RESULT_BADBIOSTABLE;
1335 
1336 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1337 	} else if (revision.minor == 3) {
1338 		/* Vega20 */
1339 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1340 							DATA_TABLES(smu_info));
1341 
1342 		if (!smu_info_v3_3)
1343 			return BP_RESULT_BADBIOSTABLE;
1344 
1345 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1346 	}
1347 
1348 	 // We need to convert from 10KHz units into KHz units.
1349 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1350 
1351 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1352 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1353 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1354 	if (info->pll_info.crystal_frequency == 0) {
1355 		if (revision.minor == 2)
1356 			info->pll_info.crystal_frequency = 27000;
1357 		else if (revision.minor == 3)
1358 			info->pll_info.crystal_frequency = 100000;
1359 	}
1360 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1361 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1362 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1363 
1364 	/* Get GPU PLL VCO Clock */
1365 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1366 		if (revision.minor == 2)
1367 			info->smu_gpu_pll_output_freq =
1368 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1369 		else if (revision.minor == 3)
1370 			info->smu_gpu_pll_output_freq =
1371 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1372 	}
1373 
1374 	if (firmware_info->board_i2c_feature_id == 0x2) {
1375 		info->oem_i2c_present = true;
1376 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1377 	} else {
1378 		info->oem_i2c_present = false;
1379 	}
1380 
1381 	return BP_RESULT_OK;
1382 }
1383 
1384 static enum bp_result bios_parser_get_encoder_cap_info(
1385 	struct dc_bios *dcb,
1386 	struct graphics_object_id object_id,
1387 	struct bp_encoder_cap_info *info)
1388 {
1389 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1390 	struct atom_display_object_path_v2 *object;
1391 	struct atom_encoder_caps_record *record = NULL;
1392 
1393 	if (!info)
1394 		return BP_RESULT_BADINPUT;
1395 
1396 	object = get_bios_object(bp, object_id);
1397 
1398 	if (!object)
1399 		return BP_RESULT_BADINPUT;
1400 
1401 	record = get_encoder_cap_record(bp, object);
1402 	if (!record)
1403 		return BP_RESULT_NORECORD;
1404 
1405 	info->DP_HBR2_CAP = (record->encodercaps &
1406 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1407 	info->DP_HBR2_EN = (record->encodercaps &
1408 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1409 	info->DP_HBR3_EN = (record->encodercaps &
1410 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1411 	info->HDMI_6GB_EN = (record->encodercaps &
1412 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1413 	info->DP_IS_USB_C = (record->encodercaps &
1414 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
1415 
1416 	return BP_RESULT_OK;
1417 }
1418 
1419 
1420 static struct atom_encoder_caps_record *get_encoder_cap_record(
1421 	struct bios_parser *bp,
1422 	struct atom_display_object_path_v2 *object)
1423 {
1424 	struct atom_common_record_header *header;
1425 	uint32_t offset;
1426 
1427 	if (!object) {
1428 		BREAK_TO_DEBUGGER(); /* Invalid object */
1429 		return NULL;
1430 	}
1431 
1432 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1433 
1434 	for (;;) {
1435 		header = GET_IMAGE(struct atom_common_record_header, offset);
1436 
1437 		if (!header)
1438 			return NULL;
1439 
1440 		offset += header->record_size;
1441 
1442 		if (header->record_type == LAST_RECORD_TYPE ||
1443 				!header->record_size)
1444 			break;
1445 
1446 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1447 			continue;
1448 
1449 		if (sizeof(struct atom_encoder_caps_record) <=
1450 							header->record_size)
1451 			return (struct atom_encoder_caps_record *)header;
1452 	}
1453 
1454 	return NULL;
1455 }
1456 
1457 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
1458 	struct bios_parser *bp,
1459 	struct atom_display_object_path_v2 *object)
1460 {
1461 	struct atom_common_record_header *header;
1462 	uint32_t offset;
1463 
1464 	if (!object) {
1465 		BREAK_TO_DEBUGGER(); /* Invalid object */
1466 		return NULL;
1467 	}
1468 
1469 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
1470 
1471 	for (;;) {
1472 		header = GET_IMAGE(struct atom_common_record_header, offset);
1473 
1474 		if (!header)
1475 			return NULL;
1476 
1477 		offset += header->record_size;
1478 
1479 		if (header->record_type == LAST_RECORD_TYPE ||
1480 				!header->record_size)
1481 			break;
1482 
1483 		if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
1484 			continue;
1485 
1486 		if (sizeof(struct atom_disp_connector_caps_record) <=
1487 							header->record_size)
1488 			return (struct atom_disp_connector_caps_record *)header;
1489 	}
1490 
1491 	return NULL;
1492 }
1493 
1494 static enum bp_result bios_parser_get_disp_connector_caps_info(
1495 	struct dc_bios *dcb,
1496 	struct graphics_object_id object_id,
1497 	struct bp_disp_connector_caps_info *info)
1498 {
1499 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1500 	struct atom_display_object_path_v2 *object;
1501 	struct atom_disp_connector_caps_record *record = NULL;
1502 
1503 	if (!info)
1504 		return BP_RESULT_BADINPUT;
1505 
1506 	object = get_bios_object(bp, object_id);
1507 
1508 	if (!object)
1509 		return BP_RESULT_BADINPUT;
1510 
1511 	record = get_disp_connector_caps_record(bp, object);
1512 	if (!record)
1513 		return BP_RESULT_NORECORD;
1514 
1515 	info->INTERNAL_DISPLAY = (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
1516 									? 1 : 0;
1517 	info->INTERNAL_DISPLAY_BL = (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
1518 											? 1 : 0;
1519 
1520 	return BP_RESULT_OK;
1521 }
1522 
1523 static enum bp_result get_vram_info_v23(
1524 	struct bios_parser *bp,
1525 	struct dc_vram_info *info)
1526 {
1527 	struct atom_vram_info_header_v2_3 *info_v23;
1528 	enum bp_result result = BP_RESULT_OK;
1529 
1530 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
1531 						DATA_TABLES(vram_info));
1532 
1533 	if (info_v23 == NULL)
1534 		return BP_RESULT_BADBIOSTABLE;
1535 
1536 	info->num_chans = info_v23->vram_module[0].channel_num;
1537 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
1538 
1539 	return result;
1540 }
1541 
1542 static enum bp_result get_vram_info_v24(
1543 	struct bios_parser *bp,
1544 	struct dc_vram_info *info)
1545 {
1546 	struct atom_vram_info_header_v2_4 *info_v24;
1547 	enum bp_result result = BP_RESULT_OK;
1548 
1549 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
1550 						DATA_TABLES(vram_info));
1551 
1552 	if (info_v24 == NULL)
1553 		return BP_RESULT_BADBIOSTABLE;
1554 
1555 	info->num_chans = info_v24->vram_module[0].channel_num;
1556 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
1557 
1558 	return result;
1559 }
1560 
1561 static enum bp_result get_vram_info_v25(
1562 	struct bios_parser *bp,
1563 	struct dc_vram_info *info)
1564 {
1565 	struct atom_vram_info_header_v2_5 *info_v25;
1566 	enum bp_result result = BP_RESULT_OK;
1567 
1568 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
1569 						DATA_TABLES(vram_info));
1570 
1571 	if (info_v25 == NULL)
1572 		return BP_RESULT_BADBIOSTABLE;
1573 
1574 	info->num_chans = info_v25->vram_module[0].channel_num;
1575 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
1576 
1577 	return result;
1578 }
1579 
1580 /*
1581  * get_integrated_info_v11
1582  *
1583  * @brief
1584  * Get V8 integrated BIOS information
1585  *
1586  * @param
1587  * bios_parser *bp - [in]BIOS parser handler to get master data table
1588  * integrated_info *info - [out] store and output integrated info
1589  *
1590  * @return
1591  * enum bp_result - BP_RESULT_OK if information is available,
1592  *                  BP_RESULT_BADBIOSTABLE otherwise.
1593  */
1594 static enum bp_result get_integrated_info_v11(
1595 	struct bios_parser *bp,
1596 	struct integrated_info *info)
1597 {
1598 	struct atom_integrated_system_info_v1_11 *info_v11;
1599 	uint32_t i;
1600 
1601 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1602 					DATA_TABLES(integratedsysteminfo));
1603 
1604 	if (info_v11 == NULL)
1605 		return BP_RESULT_BADBIOSTABLE;
1606 
1607 	info->gpu_cap_info =
1608 	le32_to_cpu(info_v11->gpucapinfo);
1609 	/*
1610 	* system_config: Bit[0] = 0 : PCIE power gating disabled
1611 	*                       = 1 : PCIE power gating enabled
1612 	*                Bit[1] = 0 : DDR-PLL shut down disabled
1613 	*                       = 1 : DDR-PLL shut down enabled
1614 	*                Bit[2] = 0 : DDR-PLL power down disabled
1615 	*                       = 1 : DDR-PLL power down enabled
1616 	*/
1617 	info->system_config = le32_to_cpu(info_v11->system_config);
1618 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1619 	info->memory_type = info_v11->memorytype;
1620 	info->ma_channel_number = info_v11->umachannelnumber;
1621 	info->lvds_ss_percentage =
1622 	le16_to_cpu(info_v11->lvds_ss_percentage);
1623 	info->dp_ss_control =
1624 	le16_to_cpu(info_v11->reserved1);
1625 	info->lvds_sspread_rate_in_10hz =
1626 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1627 	info->hdmi_ss_percentage =
1628 	le16_to_cpu(info_v11->hdmi_ss_percentage);
1629 	info->hdmi_sspread_rate_in_10hz =
1630 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1631 	info->dvi_ss_percentage =
1632 	le16_to_cpu(info_v11->dvi_ss_percentage);
1633 	info->dvi_sspread_rate_in_10_hz =
1634 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1635 	info->lvds_misc = info_v11->lvds_misc;
1636 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1637 		info->ext_disp_conn_info.gu_id[i] =
1638 				info_v11->extdispconninfo.guid[i];
1639 	}
1640 
1641 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1642 		info->ext_disp_conn_info.path[i].device_connector_id =
1643 		object_id_from_bios_object_id(
1644 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1645 
1646 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1647 		object_id_from_bios_object_id(
1648 			le16_to_cpu(
1649 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
1650 
1651 		info->ext_disp_conn_info.path[i].device_tag =
1652 			le16_to_cpu(
1653 				info_v11->extdispconninfo.path[i].device_tag);
1654 		info->ext_disp_conn_info.path[i].device_acpi_enum =
1655 		le16_to_cpu(
1656 			info_v11->extdispconninfo.path[i].device_acpi_enum);
1657 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1658 			info_v11->extdispconninfo.path[i].auxddclut_index;
1659 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1660 			info_v11->extdispconninfo.path[i].hpdlut_index;
1661 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
1662 			info_v11->extdispconninfo.path[i].channelmapping;
1663 		info->ext_disp_conn_info.path[i].caps =
1664 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1665 	}
1666 	info->ext_disp_conn_info.checksum =
1667 	info_v11->extdispconninfo.checksum;
1668 
1669 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1670 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1671 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1672 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1673 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1674 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1675 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1676 	}
1677 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1678 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1679 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1680 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1681 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1682 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1683 	}
1684 
1685 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1686 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1687 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1688 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1689 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1690 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1691 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1692 	}
1693 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1694 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1695 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1696 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1697 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1698 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1699 	}
1700 
1701 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1702 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1703 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1704 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1705 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1706 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1707 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1708 	}
1709 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1710 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1711 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1712 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1713 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1714 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1715 	}
1716 
1717 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1718 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1719 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1720 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1721 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1722 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1723 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1724 	}
1725 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1726 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1727 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1728 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1729 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1730 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1731 	}
1732 
1733 
1734 	/** TODO - review **/
1735 	#if 0
1736 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1737 									* 10;
1738 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1739 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1740 
1741 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1742 		/* Convert [10KHz] into [KHz] */
1743 		info->disp_clk_voltage[i].max_supported_clk =
1744 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1745 			ulMaximumSupportedCLK) * 10;
1746 		info->disp_clk_voltage[i].voltage_index =
1747 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1748 	}
1749 
1750 	info->boot_up_req_display_vector =
1751 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1752 	info->boot_up_nb_voltage =
1753 			le16_to_cpu(info_v11->usBootUpNBVoltage);
1754 	info->ext_disp_conn_info_offset =
1755 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1756 	info->gmc_restore_reset_time =
1757 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1758 	info->minimum_n_clk =
1759 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1760 	for (i = 1; i < 4; ++i)
1761 		info->minimum_n_clk =
1762 				info->minimum_n_clk <
1763 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1764 				info->minimum_n_clk : le32_to_cpu(
1765 					info_v11->ulNbpStateNClkFreq[i]);
1766 
1767 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1768 	info->ddr_dll_power_up_time =
1769 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1770 	info->ddr_pll_power_up_time =
1771 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1772 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1773 	info->max_lvds_pclk_freq_in_single_link =
1774 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1775 	info->max_lvds_pclk_freq_in_single_link =
1776 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1777 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1778 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1779 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1780 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1781 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1782 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1783 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1784 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1785 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1786 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1787 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1788 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1789 	info->lvds_off_to_on_delay_in_4ms =
1790 		info_v11->ucLVDSOffToOnDelay_in4Ms;
1791 	info->lvds_bit_depth_control_val =
1792 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1793 
1794 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1795 		/* Convert [10KHz] into [KHz] */
1796 		info->avail_s_clk[i].supported_s_clk =
1797 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1798 									* 10;
1799 		info->avail_s_clk[i].voltage_index =
1800 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1801 		info->avail_s_clk[i].voltage_id =
1802 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1803 	}
1804 	#endif /* TODO*/
1805 
1806 	return BP_RESULT_OK;
1807 }
1808 
1809 static enum bp_result get_integrated_info_v2_1(
1810 	struct bios_parser *bp,
1811 	struct integrated_info *info)
1812 {
1813 	struct atom_integrated_system_info_v2_1 *info_v2_1;
1814 	uint32_t i;
1815 
1816 	info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
1817 					DATA_TABLES(integratedsysteminfo));
1818 
1819 	if (info_v2_1 == NULL)
1820 		return BP_RESULT_BADBIOSTABLE;
1821 
1822 	info->gpu_cap_info =
1823 	le32_to_cpu(info_v2_1->gpucapinfo);
1824 	/*
1825 	* system_config: Bit[0] = 0 : PCIE power gating disabled
1826 	*                       = 1 : PCIE power gating enabled
1827 	*                Bit[1] = 0 : DDR-PLL shut down disabled
1828 	*                       = 1 : DDR-PLL shut down enabled
1829 	*                Bit[2] = 0 : DDR-PLL power down disabled
1830 	*                       = 1 : DDR-PLL power down enabled
1831 	*/
1832 	info->system_config = le32_to_cpu(info_v2_1->system_config);
1833 	info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
1834 	info->memory_type = info_v2_1->memorytype;
1835 	info->ma_channel_number = info_v2_1->umachannelnumber;
1836 	info->dp_ss_control =
1837 		le16_to_cpu(info_v2_1->reserved1);
1838 
1839 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1840 		info->ext_disp_conn_info.gu_id[i] =
1841 				info_v2_1->extdispconninfo.guid[i];
1842 	}
1843 
1844 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1845 		info->ext_disp_conn_info.path[i].device_connector_id =
1846 		object_id_from_bios_object_id(
1847 		le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
1848 
1849 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1850 		object_id_from_bios_object_id(
1851 			le16_to_cpu(
1852 			info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
1853 
1854 		info->ext_disp_conn_info.path[i].device_tag =
1855 			le16_to_cpu(
1856 				info_v2_1->extdispconninfo.path[i].device_tag);
1857 		info->ext_disp_conn_info.path[i].device_acpi_enum =
1858 		le16_to_cpu(
1859 			info_v2_1->extdispconninfo.path[i].device_acpi_enum);
1860 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1861 			info_v2_1->extdispconninfo.path[i].auxddclut_index;
1862 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1863 			info_v2_1->extdispconninfo.path[i].hpdlut_index;
1864 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
1865 			info_v2_1->extdispconninfo.path[i].channelmapping;
1866 		info->ext_disp_conn_info.path[i].caps =
1867 				le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
1868 	}
1869 
1870 	info->ext_disp_conn_info.checksum =
1871 		info_v2_1->extdispconninfo.checksum;
1872 	info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
1873 	info->dp0_ext_hdmi_reg_num = info_v2_1->dp0_retimer_set.HdmiRegNum;
1874 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1875 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1876 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1877 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1878 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1879 	}
1880 	info->dp0_ext_hdmi_6g_reg_num = info_v2_1->dp0_retimer_set.Hdmi6GRegNum;
1881 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1882 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1883 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1884 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1885 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1886 	}
1887 	info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
1888 	info->dp1_ext_hdmi_reg_num = info_v2_1->dp1_retimer_set.HdmiRegNum;
1889 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1890 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1891 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1892 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1893 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1894 	}
1895 	info->dp1_ext_hdmi_6g_reg_num = info_v2_1->dp1_retimer_set.Hdmi6GRegNum;
1896 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1897 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1898 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1899 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1900 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1901 	}
1902 	info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
1903 	info->dp2_ext_hdmi_reg_num = info_v2_1->dp2_retimer_set.HdmiRegNum;
1904 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1905 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1906 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1907 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1908 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1909 	}
1910 	info->dp2_ext_hdmi_6g_reg_num = info_v2_1->dp2_retimer_set.Hdmi6GRegNum;
1911 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1912 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1913 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1914 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1915 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1916 	}
1917 	info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
1918 	info->dp3_ext_hdmi_reg_num = info_v2_1->dp3_retimer_set.HdmiRegNum;
1919 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1920 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1921 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1922 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1923 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1924 	}
1925 	info->dp3_ext_hdmi_6g_reg_num = info_v2_1->dp3_retimer_set.Hdmi6GRegNum;
1926 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1927 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1928 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1929 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1930 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1931 	}
1932 
1933 	info->edp1_info.edp_backlight_pwm_hz =
1934 	le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
1935 	info->edp1_info.edp_ss_percentage =
1936 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
1937 	info->edp1_info.edp_ss_rate_10hz =
1938 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
1939 	info->edp1_info.edp_pwr_on_off_delay =
1940 		info_v2_1->edp1_info.edp_pwr_on_off_delay;
1941 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
1942 		info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
1943 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
1944 		info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
1945 	info->edp1_info.edp_panel_bpc =
1946 		info_v2_1->edp1_info.edp_panel_bpc;
1947 	info->edp1_info.edp_bootup_bl_level =
1948 
1949 	info->edp2_info.edp_backlight_pwm_hz =
1950 	le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
1951 	info->edp2_info.edp_ss_percentage =
1952 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
1953 	info->edp2_info.edp_ss_rate_10hz =
1954 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
1955 	info->edp2_info.edp_pwr_on_off_delay =
1956 		info_v2_1->edp2_info.edp_pwr_on_off_delay;
1957 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
1958 		info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
1959 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
1960 		info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
1961 	info->edp2_info.edp_panel_bpc =
1962 		info_v2_1->edp2_info.edp_panel_bpc;
1963 	info->edp2_info.edp_bootup_bl_level =
1964 		info_v2_1->edp2_info.edp_bootup_bl_level;
1965 
1966 	return BP_RESULT_OK;
1967 }
1968 
1969 /*
1970  * construct_integrated_info
1971  *
1972  * @brief
1973  * Get integrated BIOS information based on table revision
1974  *
1975  * @param
1976  * bios_parser *bp - [in]BIOS parser handler to get master data table
1977  * integrated_info *info - [out] store and output integrated info
1978  *
1979  * @return
1980  * enum bp_result - BP_RESULT_OK if information is available,
1981  *                  BP_RESULT_BADBIOSTABLE otherwise.
1982  */
1983 static enum bp_result construct_integrated_info(
1984 	struct bios_parser *bp,
1985 	struct integrated_info *info)
1986 {
1987 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1988 
1989 	struct atom_common_table_header *header;
1990 	struct atom_data_revision revision;
1991 	uint32_t i;
1992 	uint32_t j;
1993 
1994 	if (info && DATA_TABLES(integratedsysteminfo)) {
1995 		header = GET_IMAGE(struct atom_common_table_header,
1996 					DATA_TABLES(integratedsysteminfo));
1997 
1998 		get_atom_data_table_revision(header, &revision);
1999 
2000 		switch (revision.major) {
2001 		case 1:
2002 			switch (revision.minor) {
2003 			case 11:
2004 			case 12:
2005 				result = get_integrated_info_v11(bp, info);
2006 				break;
2007 			default:
2008 				return result;
2009 			}
2010 			break;
2011 		case 2:
2012 			switch (revision.minor) {
2013 			case 1:
2014 				result = get_integrated_info_v2_1(bp, info);
2015 				break;
2016 			default:
2017 				return result;
2018 			}
2019 			break;
2020 		default:
2021 			return result;
2022 		}
2023 	}
2024 
2025 	if (result != BP_RESULT_OK)
2026 		return result;
2027 
2028 	/* Sort voltage table from low to high*/
2029 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2030 		for (j = i; j > 0; --j) {
2031 			if (info->disp_clk_voltage[j].max_supported_clk <
2032 				info->disp_clk_voltage[j-1].max_supported_clk
2033 				) {
2034 				/* swap j and j - 1*/
2035 				swap(info->disp_clk_voltage[j - 1],
2036 				     info->disp_clk_voltage[j]);
2037 			}
2038 		}
2039 	}
2040 
2041 	return result;
2042 }
2043 
2044 static enum bp_result bios_parser_get_vram_info(
2045 		struct dc_bios *dcb,
2046 		struct dc_vram_info *info)
2047 {
2048 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2049 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
2050 	struct atom_common_table_header *header;
2051 	struct atom_data_revision revision;
2052 
2053 	if (info && DATA_TABLES(vram_info)) {
2054 		header = GET_IMAGE(struct atom_common_table_header,
2055 					DATA_TABLES(vram_info));
2056 
2057 		get_atom_data_table_revision(header, &revision);
2058 
2059 		switch (revision.major) {
2060 		case 2:
2061 			switch (revision.minor) {
2062 			case 3:
2063 				result = get_vram_info_v23(bp, info);
2064 				break;
2065 			case 4:
2066 				result = get_vram_info_v24(bp, info);
2067 				break;
2068 			case 5:
2069 				result = get_vram_info_v25(bp, info);
2070 				break;
2071 			default:
2072 				break;
2073 			}
2074 			break;
2075 
2076 		default:
2077 			return result;
2078 		}
2079 
2080 	}
2081 	return result;
2082 }
2083 
2084 static struct integrated_info *bios_parser_create_integrated_info(
2085 	struct dc_bios *dcb)
2086 {
2087 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2088 	struct integrated_info *info = NULL;
2089 
2090 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
2091 
2092 	if (info == NULL) {
2093 		ASSERT_CRITICAL(0);
2094 		return NULL;
2095 	}
2096 
2097 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
2098 		return info;
2099 
2100 	kfree(info);
2101 
2102 	return NULL;
2103 }
2104 
2105 static enum bp_result update_slot_layout_info(
2106 	struct dc_bios *dcb,
2107 	unsigned int i,
2108 	struct slot_layout_info *slot_layout_info)
2109 {
2110 	unsigned int record_offset;
2111 	unsigned int j;
2112 	struct atom_display_object_path_v2 *object;
2113 	struct atom_bracket_layout_record *record;
2114 	struct atom_common_record_header *record_header;
2115 	enum bp_result result;
2116 	struct bios_parser *bp;
2117 	struct object_info_table *tbl;
2118 	struct display_object_info_table_v1_4 *v1_4;
2119 
2120 	record = NULL;
2121 	record_header = NULL;
2122 	result = BP_RESULT_NORECORD;
2123 
2124 	bp = BP_FROM_DCB(dcb);
2125 	tbl = &bp->object_info_tbl;
2126 	v1_4 = tbl->v1_4;
2127 
2128 	object = &v1_4->display_path[i];
2129 	record_offset = (unsigned int)
2130 		(object->disp_recordoffset) +
2131 		(unsigned int)(bp->object_info_tbl_offset);
2132 
2133 	for (;;) {
2134 
2135 		record_header = (struct atom_common_record_header *)
2136 			GET_IMAGE(struct atom_common_record_header,
2137 			record_offset);
2138 		if (record_header == NULL) {
2139 			result = BP_RESULT_BADBIOSTABLE;
2140 			break;
2141 		}
2142 
2143 		/* the end of the list */
2144 		if (record_header->record_type == 0xff ||
2145 			record_header->record_size == 0)	{
2146 			break;
2147 		}
2148 
2149 		if (record_header->record_type ==
2150 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
2151 			sizeof(struct atom_bracket_layout_record)
2152 			<= record_header->record_size) {
2153 			record = (struct atom_bracket_layout_record *)
2154 				(record_header);
2155 			result = BP_RESULT_OK;
2156 			break;
2157 		}
2158 
2159 		record_offset += record_header->record_size;
2160 	}
2161 
2162 	/* return if the record not found */
2163 	if (result != BP_RESULT_OK)
2164 		return result;
2165 
2166 	/* get slot sizes */
2167 	slot_layout_info->length = record->bracketlen;
2168 	slot_layout_info->width = record->bracketwidth;
2169 
2170 	/* get info for each connector in the slot */
2171 	slot_layout_info->num_of_connectors = record->conn_num;
2172 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
2173 		slot_layout_info->connectors[j].connector_type =
2174 			(enum connector_layout_type)
2175 			(record->conn_info[j].connector_type);
2176 		switch (record->conn_info[j].connector_type) {
2177 		case CONNECTOR_TYPE_DVI_D:
2178 			slot_layout_info->connectors[j].connector_type =
2179 				CONNECTOR_LAYOUT_TYPE_DVI_D;
2180 			slot_layout_info->connectors[j].length =
2181 				CONNECTOR_SIZE_DVI;
2182 			break;
2183 
2184 		case CONNECTOR_TYPE_HDMI:
2185 			slot_layout_info->connectors[j].connector_type =
2186 				CONNECTOR_LAYOUT_TYPE_HDMI;
2187 			slot_layout_info->connectors[j].length =
2188 				CONNECTOR_SIZE_HDMI;
2189 			break;
2190 
2191 		case CONNECTOR_TYPE_DISPLAY_PORT:
2192 			slot_layout_info->connectors[j].connector_type =
2193 				CONNECTOR_LAYOUT_TYPE_DP;
2194 			slot_layout_info->connectors[j].length =
2195 				CONNECTOR_SIZE_DP;
2196 			break;
2197 
2198 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
2199 			slot_layout_info->connectors[j].connector_type =
2200 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
2201 			slot_layout_info->connectors[j].length =
2202 				CONNECTOR_SIZE_MINI_DP;
2203 			break;
2204 
2205 		default:
2206 			slot_layout_info->connectors[j].connector_type =
2207 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
2208 			slot_layout_info->connectors[j].length =
2209 				CONNECTOR_SIZE_UNKNOWN;
2210 		}
2211 
2212 		slot_layout_info->connectors[j].position =
2213 			record->conn_info[j].position;
2214 		slot_layout_info->connectors[j].connector_id =
2215 			object_id_from_bios_object_id(
2216 				record->conn_info[j].connectorobjid);
2217 	}
2218 	return result;
2219 }
2220 
2221 
2222 static enum bp_result get_bracket_layout_record(
2223 	struct dc_bios *dcb,
2224 	unsigned int bracket_layout_id,
2225 	struct slot_layout_info *slot_layout_info)
2226 {
2227 	unsigned int i;
2228 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2229 	enum bp_result result;
2230 	struct object_info_table *tbl;
2231 	struct display_object_info_table_v1_4 *v1_4;
2232 
2233 	if (slot_layout_info == NULL) {
2234 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
2235 		return BP_RESULT_BADINPUT;
2236 	}
2237 	tbl = &bp->object_info_tbl;
2238 	v1_4 = tbl->v1_4;
2239 
2240 	result = BP_RESULT_NORECORD;
2241 	for (i = 0; i < v1_4->number_of_path; ++i)	{
2242 
2243 		if (bracket_layout_id ==
2244 			v1_4->display_path[i].display_objid) {
2245 			result = update_slot_layout_info(dcb, i,
2246 				slot_layout_info);
2247 			break;
2248 		}
2249 	}
2250 	return result;
2251 }
2252 
2253 static enum bp_result bios_get_board_layout_info(
2254 	struct dc_bios *dcb,
2255 	struct board_layout_info *board_layout_info)
2256 {
2257 	unsigned int i;
2258 	enum bp_result record_result;
2259 
2260 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
2261 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
2262 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
2263 		0, 0
2264 	};
2265 
2266 	if (board_layout_info == NULL) {
2267 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
2268 		return BP_RESULT_BADINPUT;
2269 	}
2270 
2271 	board_layout_info->num_of_slots = 0;
2272 
2273 	for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
2274 		record_result = get_bracket_layout_record(dcb,
2275 			slot_index_to_vbios_id[i],
2276 			&board_layout_info->slots[i]);
2277 
2278 		if (record_result == BP_RESULT_NORECORD && i > 0)
2279 			break; /* no more slots present in bios */
2280 		else if (record_result != BP_RESULT_OK)
2281 			return record_result;  /* fail */
2282 
2283 		++board_layout_info->num_of_slots;
2284 	}
2285 
2286 	/* all data is valid */
2287 	board_layout_info->is_number_of_slots_valid = 1;
2288 	board_layout_info->is_slots_size_valid = 1;
2289 	board_layout_info->is_connector_offsets_valid = 1;
2290 	board_layout_info->is_connector_lengths_valid = 1;
2291 
2292 	return BP_RESULT_OK;
2293 }
2294 
2295 
2296 static uint16_t bios_parser_pack_data_tables(
2297 	struct dc_bios *dcb,
2298 	void *dst)
2299 {
2300 #ifdef PACK_BIOS_DATA
2301 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2302 	struct atom_rom_header_v2_2 *rom_header = NULL;
2303 	struct atom_rom_header_v2_2 *packed_rom_header = NULL;
2304 	struct atom_common_table_header *data_tbl_header = NULL;
2305 	struct atom_master_list_of_data_tables_v2_1 *data_tbl_list = NULL;
2306 	struct atom_master_data_table_v2_1 *packed_master_data_tbl = NULL;
2307 	struct atom_data_revision tbl_rev = {0};
2308 	uint16_t *rom_header_offset = NULL;
2309 	const uint8_t *bios = bp->base.bios;
2310 	uint8_t *bios_dst = (uint8_t *)dst;
2311 	uint16_t packed_rom_header_offset;
2312 	uint16_t packed_masterdatatable_offset;
2313 	uint16_t packed_data_tbl_offset;
2314 	uint16_t data_tbl_offset;
2315 	unsigned int i;
2316 
2317 	rom_header_offset =
2318 		GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
2319 
2320 	if (!rom_header_offset)
2321 		return 0;
2322 
2323 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
2324 
2325 	if (!rom_header)
2326 		return 0;
2327 
2328 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
2329 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
2330 		return 0;
2331 
2332 	get_atom_data_table_revision(&bp->master_data_tbl->table_header, &tbl_rev);
2333 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 1))
2334 		return 0;
2335 
2336 	packed_rom_header_offset =
2337 		OFFSET_TO_ATOM_ROM_HEADER_POINTER + sizeof(*rom_header_offset);
2338 
2339 	packed_masterdatatable_offset =
2340 		packed_rom_header_offset + rom_header->table_header.structuresize;
2341 
2342 	packed_data_tbl_offset =
2343 		packed_masterdatatable_offset +
2344 		bp->master_data_tbl->table_header.structuresize;
2345 
2346 	packed_rom_header =
2347 		(struct atom_rom_header_v2_2 *)(bios_dst + packed_rom_header_offset);
2348 
2349 	packed_master_data_tbl =
2350 		(struct atom_master_data_table_v2_1 *)(bios_dst +
2351 		packed_masterdatatable_offset);
2352 
2353 	memcpy(bios_dst, bios, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
2354 
2355 	*((uint16_t *)(bios_dst + OFFSET_TO_ATOM_ROM_HEADER_POINTER)) =
2356 		packed_rom_header_offset;
2357 
2358 	memcpy(bios_dst + packed_rom_header_offset, rom_header,
2359 		rom_header->table_header.structuresize);
2360 
2361 	packed_rom_header->masterdatatable_offset = packed_masterdatatable_offset;
2362 
2363 	memcpy(&packed_master_data_tbl->table_header,
2364 		&bp->master_data_tbl->table_header,
2365 		sizeof(bp->master_data_tbl->table_header));
2366 
2367 	data_tbl_list = &bp->master_data_tbl->listOfdatatables;
2368 
2369 	/* Each data table offset in data table list is 2 bytes,
2370 	 * we can use that to iterate through listOfdatatables
2371 	 * without knowing the name of each member.
2372 	 */
2373 	for (i = 0; i < sizeof(*data_tbl_list)/sizeof(uint16_t); i++) {
2374 		data_tbl_offset = *((uint16_t *)data_tbl_list + i);
2375 
2376 		if (data_tbl_offset) {
2377 			data_tbl_header =
2378 				(struct atom_common_table_header *)(bios + data_tbl_offset);
2379 
2380 			memcpy(bios_dst + packed_data_tbl_offset, data_tbl_header,
2381 				data_tbl_header->structuresize);
2382 
2383 			*((uint16_t *)&packed_master_data_tbl->listOfdatatables + i) =
2384 				packed_data_tbl_offset;
2385 
2386 			packed_data_tbl_offset += data_tbl_header->structuresize;
2387 		} else {
2388 			*((uint16_t *)&packed_master_data_tbl->listOfdatatables + i) = 0;
2389 		}
2390 	}
2391 	return packed_data_tbl_offset;
2392 #endif
2393 	// TODO: There is data bytes alignment issue, disable it for now.
2394 	return 0;
2395 }
2396 
2397 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
2398 		struct bios_parser *bp,
2399 		uint32_t rev_major,
2400 		uint32_t rev_minor,
2401 		uint16_t *dc_golden_table_ver)
2402 {
2403 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
2404 	uint32_t dc_golden_offset = 0;
2405 	*dc_golden_table_ver = 0;
2406 
2407 	if (!DATA_TABLES(dce_info))
2408 		return NULL;
2409 
2410 	/* ver.4.4 or higher */
2411 	switch (rev_major) {
2412 	case 4:
2413 		switch (rev_minor) {
2414 		case 4:
2415 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
2416 									DATA_TABLES(dce_info));
2417 			if (!disp_cntl_tbl_4_4)
2418 				return NULL;
2419 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
2420 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
2421 			break;
2422 		}
2423 		break;
2424 	}
2425 
2426 	if (!dc_golden_offset)
2427 		return NULL;
2428 
2429 	if (*dc_golden_table_ver != 1)
2430 		return NULL;
2431 
2432 	return GET_IMAGE(struct atom_dc_golden_table_v1,
2433 			dc_golden_offset);
2434 }
2435 
2436 static enum bp_result bios_get_atom_dc_golden_table(
2437 	struct dc_bios *dcb)
2438 {
2439 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2440 	enum bp_result result = BP_RESULT_OK;
2441 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
2442 	struct atom_common_table_header *header;
2443 	struct atom_data_revision tbl_revision;
2444 	uint16_t dc_golden_table_ver = 0;
2445 
2446 	header = GET_IMAGE(struct atom_common_table_header,
2447 							DATA_TABLES(dce_info));
2448 	if (!header)
2449 		return BP_RESULT_UNSUPPORTED;
2450 
2451 	get_atom_data_table_revision(header, &tbl_revision);
2452 
2453 	atom_dc_golden_table = bios_get_golden_table(bp,
2454 			tbl_revision.major,
2455 			tbl_revision.minor,
2456 			&dc_golden_table_ver);
2457 
2458 	if (!atom_dc_golden_table)
2459 		return BP_RESULT_UNSUPPORTED;
2460 
2461 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
2462 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
2463 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
2464 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
2465 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
2466 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
2467 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
2468 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
2469 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
2470 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
2471 
2472 	return result;
2473 }
2474 
2475 
2476 static const struct dc_vbios_funcs vbios_funcs = {
2477 	.get_connectors_number = bios_parser_get_connectors_number,
2478 
2479 	.get_connector_id = bios_parser_get_connector_id,
2480 
2481 	.get_src_obj = bios_parser_get_src_obj,
2482 
2483 	.get_i2c_info = bios_parser_get_i2c_info,
2484 
2485 	.get_hpd_info = bios_parser_get_hpd_info,
2486 
2487 	.get_device_tag = bios_parser_get_device_tag,
2488 
2489 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
2490 
2491 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
2492 
2493 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
2494 
2495 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
2496 
2497 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
2498 
2499 	.is_device_id_supported = bios_parser_is_device_id_supported,
2500 
2501 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
2502 
2503 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
2504 
2505 
2506 /*	 COMMANDS */
2507 	.encoder_control = bios_parser_encoder_control,
2508 
2509 	.transmitter_control = bios_parser_transmitter_control,
2510 
2511 	.enable_crtc = bios_parser_enable_crtc,
2512 
2513 	.set_pixel_clock = bios_parser_set_pixel_clock,
2514 
2515 	.set_dce_clock = bios_parser_set_dce_clock,
2516 
2517 	.program_crtc_timing = bios_parser_program_crtc_timing,
2518 
2519 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
2520 
2521 	.bios_parser_destroy = firmware_parser_destroy,
2522 
2523 	.get_board_layout_info = bios_get_board_layout_info,
2524 	.pack_data_tables = bios_parser_pack_data_tables,
2525 
2526 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
2527 
2528 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
2529 
2530 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
2531 
2532 	.get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
2533 };
2534 
2535 static bool bios_parser2_construct(
2536 	struct bios_parser *bp,
2537 	struct bp_init_data *init,
2538 	enum dce_version dce_version)
2539 {
2540 	uint16_t *rom_header_offset = NULL;
2541 	struct atom_rom_header_v2_2 *rom_header = NULL;
2542 	struct display_object_info_table_v1_4 *object_info_tbl;
2543 	struct atom_data_revision tbl_rev = {0};
2544 
2545 	if (!init)
2546 		return false;
2547 
2548 	if (!init->bios)
2549 		return false;
2550 
2551 	bp->base.funcs = &vbios_funcs;
2552 	bp->base.bios = init->bios;
2553 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
2554 
2555 	bp->base.ctx = init->ctx;
2556 
2557 	bp->base.bios_local_image = NULL;
2558 
2559 	rom_header_offset =
2560 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
2561 
2562 	if (!rom_header_offset)
2563 		return false;
2564 
2565 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
2566 
2567 	if (!rom_header)
2568 		return false;
2569 
2570 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
2571 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
2572 		return false;
2573 
2574 	bp->master_data_tbl =
2575 		GET_IMAGE(struct atom_master_data_table_v2_1,
2576 				rom_header->masterdatatable_offset);
2577 
2578 	if (!bp->master_data_tbl)
2579 		return false;
2580 
2581 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
2582 
2583 	if (!bp->object_info_tbl_offset)
2584 		return false;
2585 
2586 	object_info_tbl =
2587 			GET_IMAGE(struct display_object_info_table_v1_4,
2588 						bp->object_info_tbl_offset);
2589 
2590 	if (!object_info_tbl)
2591 		return false;
2592 
2593 	get_atom_data_table_revision(&object_info_tbl->table_header,
2594 		&bp->object_info_tbl.revision);
2595 
2596 	if (bp->object_info_tbl.revision.major == 1
2597 		&& bp->object_info_tbl.revision.minor >= 4) {
2598 		struct display_object_info_table_v1_4 *tbl_v1_4;
2599 
2600 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
2601 			bp->object_info_tbl_offset);
2602 		if (!tbl_v1_4)
2603 			return false;
2604 
2605 		bp->object_info_tbl.v1_4 = tbl_v1_4;
2606 	} else
2607 		return false;
2608 
2609 	dal_firmware_parser_init_cmd_tbl(bp);
2610 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
2611 
2612 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
2613 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
2614 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
2615 
2616 	return true;
2617 }
2618 
2619 struct dc_bios *firmware_parser_create(
2620 	struct bp_init_data *init,
2621 	enum dce_version dce_version)
2622 {
2623 	struct bios_parser *bp = NULL;
2624 
2625 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2626 	if (!bp)
2627 		return NULL;
2628 
2629 	if (bios_parser2_construct(bp, init, dce_version))
2630 		return &bp->base;
2631 
2632 	kfree(bp);
2633 	return NULL;
2634 }
2635 
2636 
2637