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  * @param gpio_id, GPIO ID
489  * @param info, GpioPin information structure
490  * @return Bios parser result code
491  * @note
492  *  to get the GPIO PIN INFO, we need:
493  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
494  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
495  *	to get the registerA  offset/mask
496  */
497 static enum bp_result bios_parser_get_gpio_pin_info(
498 	struct dc_bios *dcb,
499 	uint32_t gpio_id,
500 	struct gpio_pin_info *info)
501 {
502 	struct bios_parser *bp = BP_FROM_DCB(dcb);
503 	struct atom_gpio_pin_lut_v2_1 *header;
504 	uint32_t count = 0;
505 	uint32_t i = 0;
506 
507 	if (!DATA_TABLES(gpio_pin_lut))
508 		return BP_RESULT_BADBIOSTABLE;
509 
510 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
511 						DATA_TABLES(gpio_pin_lut));
512 	if (!header)
513 		return BP_RESULT_BADBIOSTABLE;
514 
515 	if (sizeof(struct atom_common_table_header) +
516 			sizeof(struct atom_gpio_pin_assignment)
517 			> le16_to_cpu(header->table_header.structuresize))
518 		return BP_RESULT_BADBIOSTABLE;
519 
520 	if (header->table_header.content_revision != 1)
521 		return BP_RESULT_UNSUPPORTED;
522 
523 	/* Temporary hard code gpio pin info */
524 #if defined(FOR_SIMNOW_BOOT)
525 	{
526 		struct  atom_gpio_pin_assignment  gpio_pin[8] = {
527 				{0x5db5, 0, 0, 1, 0},
528 				{0x5db5, 8, 8, 2, 0},
529 				{0x5db5, 0x10, 0x10, 3, 0},
530 				{0x5db5, 0x18, 0x14, 4, 0},
531 				{0x5db5, 0x1A, 0x18, 5, 0},
532 				{0x5db5, 0x1C, 0x1C, 6, 0},
533 		};
534 
535 		count = 6;
536 		memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
537 	}
538 #else
539 	count = (le16_to_cpu(header->table_header.structuresize)
540 			- sizeof(struct atom_common_table_header))
541 				/ sizeof(struct atom_gpio_pin_assignment);
542 #endif
543 	for (i = 0; i < count; ++i) {
544 		if (header->gpio_pin[i].gpio_id != gpio_id)
545 			continue;
546 
547 		info->offset =
548 			(uint32_t) le16_to_cpu(
549 					header->gpio_pin[i].data_a_reg_index);
550 		info->offset_y = info->offset + 2;
551 		info->offset_en = info->offset + 1;
552 		info->offset_mask = info->offset - 1;
553 
554 		info->mask = (uint32_t) (1 <<
555 			header->gpio_pin[i].gpio_bitshift);
556 		info->mask_y = info->mask + 2;
557 		info->mask_en = info->mask + 1;
558 		info->mask_mask = info->mask - 1;
559 
560 		return BP_RESULT_OK;
561 	}
562 
563 	return BP_RESULT_NORECORD;
564 }
565 
566 static struct device_id device_type_from_device_id(uint16_t device_id)
567 {
568 
569 	struct device_id result_device_id;
570 
571 	result_device_id.raw_device_tag = device_id;
572 
573 	switch (device_id) {
574 	case ATOM_DISPLAY_LCD1_SUPPORT:
575 		result_device_id.device_type = DEVICE_TYPE_LCD;
576 		result_device_id.enum_id = 1;
577 		break;
578 
579 	case ATOM_DISPLAY_DFP1_SUPPORT:
580 		result_device_id.device_type = DEVICE_TYPE_DFP;
581 		result_device_id.enum_id = 1;
582 		break;
583 
584 	case ATOM_DISPLAY_DFP2_SUPPORT:
585 		result_device_id.device_type = DEVICE_TYPE_DFP;
586 		result_device_id.enum_id = 2;
587 		break;
588 
589 	case ATOM_DISPLAY_DFP3_SUPPORT:
590 		result_device_id.device_type = DEVICE_TYPE_DFP;
591 		result_device_id.enum_id = 3;
592 		break;
593 
594 	case ATOM_DISPLAY_DFP4_SUPPORT:
595 		result_device_id.device_type = DEVICE_TYPE_DFP;
596 		result_device_id.enum_id = 4;
597 		break;
598 
599 	case ATOM_DISPLAY_DFP5_SUPPORT:
600 		result_device_id.device_type = DEVICE_TYPE_DFP;
601 		result_device_id.enum_id = 5;
602 		break;
603 
604 	case ATOM_DISPLAY_DFP6_SUPPORT:
605 		result_device_id.device_type = DEVICE_TYPE_DFP;
606 		result_device_id.enum_id = 6;
607 		break;
608 
609 	default:
610 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
611 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
612 		result_device_id.enum_id = 0;
613 	}
614 	return result_device_id;
615 }
616 
617 static enum bp_result bios_parser_get_device_tag(
618 	struct dc_bios *dcb,
619 	struct graphics_object_id connector_object_id,
620 	uint32_t device_tag_index,
621 	struct connector_device_tag_info *info)
622 {
623 	struct bios_parser *bp = BP_FROM_DCB(dcb);
624 	struct atom_display_object_path_v2 *object;
625 
626 	if (!info)
627 		return BP_RESULT_BADINPUT;
628 
629 	/* getBiosObject will return MXM object */
630 	object = get_bios_object(bp, connector_object_id);
631 
632 	if (!object) {
633 		BREAK_TO_DEBUGGER(); /* Invalid object id */
634 		return BP_RESULT_BADINPUT;
635 	}
636 
637 	info->acpi_device = 0; /* BIOS no longer provides this */
638 	info->dev_id = device_type_from_device_id(object->device_tag);
639 
640 	return BP_RESULT_OK;
641 }
642 
643 static enum bp_result get_ss_info_v4_1(
644 	struct bios_parser *bp,
645 	uint32_t id,
646 	uint32_t index,
647 	struct spread_spectrum_info *ss_info)
648 {
649 	enum bp_result result = BP_RESULT_OK;
650 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
651 	struct atom_smu_info_v3_3 *smu_info = NULL;
652 
653 	if (!ss_info)
654 		return BP_RESULT_BADINPUT;
655 
656 	if (!DATA_TABLES(dce_info))
657 		return BP_RESULT_BADBIOSTABLE;
658 
659 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
660 							DATA_TABLES(dce_info));
661 	if (!disp_cntl_tbl)
662 		return BP_RESULT_BADBIOSTABLE;
663 
664 
665 	ss_info->type.STEP_AND_DELAY_INFO = false;
666 	ss_info->spread_percentage_divider = 1000;
667 	/* BIOS no longer uses target clock.  Always enable for now */
668 	ss_info->target_clock_range = 0xffffffff;
669 
670 	switch (id) {
671 	case AS_SIGNAL_TYPE_DVI:
672 		ss_info->spread_spectrum_percentage =
673 				disp_cntl_tbl->dvi_ss_percentage;
674 		ss_info->spread_spectrum_range =
675 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
676 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
677 			ss_info->type.CENTER_MODE = true;
678 		break;
679 	case AS_SIGNAL_TYPE_HDMI:
680 		ss_info->spread_spectrum_percentage =
681 				disp_cntl_tbl->hdmi_ss_percentage;
682 		ss_info->spread_spectrum_range =
683 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
684 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
685 			ss_info->type.CENTER_MODE = true;
686 		break;
687 	/* TODO LVDS not support anymore? */
688 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
689 		ss_info->spread_spectrum_percentage =
690 				disp_cntl_tbl->dp_ss_percentage;
691 		ss_info->spread_spectrum_range =
692 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
693 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
694 			ss_info->type.CENTER_MODE = true;
695 		break;
696 	case AS_SIGNAL_TYPE_GPU_PLL:
697 		/* atom_firmware: DAL only get data from dce_info table.
698 		 * if data within smu_info is needed for DAL, VBIOS should
699 		 * copy it into dce_info
700 		 */
701 		result = BP_RESULT_UNSUPPORTED;
702 		break;
703 	case AS_SIGNAL_TYPE_XGMI:
704 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
705 				      DATA_TABLES(smu_info));
706 		if (!smu_info)
707 			return BP_RESULT_BADBIOSTABLE;
708 
709 		ss_info->spread_spectrum_percentage =
710 				smu_info->waflclk_ss_percentage;
711 		ss_info->spread_spectrum_range =
712 				smu_info->gpuclk_ss_rate_10hz * 10;
713 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
714 			ss_info->type.CENTER_MODE = true;
715 		break;
716 	default:
717 		result = BP_RESULT_UNSUPPORTED;
718 	}
719 
720 	return result;
721 }
722 
723 static enum bp_result get_ss_info_v4_2(
724 	struct bios_parser *bp,
725 	uint32_t id,
726 	uint32_t index,
727 	struct spread_spectrum_info *ss_info)
728 {
729 	enum bp_result result = BP_RESULT_OK;
730 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
731 	struct atom_smu_info_v3_1 *smu_info = NULL;
732 
733 	if (!ss_info)
734 		return BP_RESULT_BADINPUT;
735 
736 	if (!DATA_TABLES(dce_info))
737 		return BP_RESULT_BADBIOSTABLE;
738 
739 	if (!DATA_TABLES(smu_info))
740 		return BP_RESULT_BADBIOSTABLE;
741 
742 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
743 							DATA_TABLES(dce_info));
744 	if (!disp_cntl_tbl)
745 		return BP_RESULT_BADBIOSTABLE;
746 
747 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
748 	if (!smu_info)
749 		return BP_RESULT_BADBIOSTABLE;
750 
751 	ss_info->type.STEP_AND_DELAY_INFO = false;
752 	ss_info->spread_percentage_divider = 1000;
753 	/* BIOS no longer uses target clock.  Always enable for now */
754 	ss_info->target_clock_range = 0xffffffff;
755 
756 	switch (id) {
757 	case AS_SIGNAL_TYPE_DVI:
758 		ss_info->spread_spectrum_percentage =
759 				disp_cntl_tbl->dvi_ss_percentage;
760 		ss_info->spread_spectrum_range =
761 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
762 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
763 			ss_info->type.CENTER_MODE = true;
764 		break;
765 	case AS_SIGNAL_TYPE_HDMI:
766 		ss_info->spread_spectrum_percentage =
767 				disp_cntl_tbl->hdmi_ss_percentage;
768 		ss_info->spread_spectrum_range =
769 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
770 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
771 			ss_info->type.CENTER_MODE = true;
772 		break;
773 	/* TODO LVDS not support anymore? */
774 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
775 		ss_info->spread_spectrum_percentage =
776 				smu_info->gpuclk_ss_percentage;
777 		ss_info->spread_spectrum_range =
778 				smu_info->gpuclk_ss_rate_10hz * 10;
779 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
780 			ss_info->type.CENTER_MODE = true;
781 		break;
782 	case AS_SIGNAL_TYPE_GPU_PLL:
783 		/* atom_firmware: DAL only get data from dce_info table.
784 		 * if data within smu_info is needed for DAL, VBIOS should
785 		 * copy it into dce_info
786 		 */
787 		result = BP_RESULT_UNSUPPORTED;
788 		break;
789 	default:
790 		result = BP_RESULT_UNSUPPORTED;
791 	}
792 
793 	return result;
794 }
795 
796 /**
797  * bios_parser_get_spread_spectrum_info
798  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
799  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
800  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
801  * ver 3.1,
802  * there is only one entry for each signal /ss id.  However, there is
803  * no planning of supporting multiple spread Sprectum entry for EverGreen
804  * @param [in] this
805  * @param [in] signal, ASSignalType to be converted to info index
806  * @param [in] index, number of entries that match the converted info index
807  * @param [out] ss_info, sprectrum information structure,
808  * @return Bios parser result code
809  */
810 static enum bp_result bios_parser_get_spread_spectrum_info(
811 	struct dc_bios *dcb,
812 	enum as_signal_type signal,
813 	uint32_t index,
814 	struct spread_spectrum_info *ss_info)
815 {
816 	struct bios_parser *bp = BP_FROM_DCB(dcb);
817 	enum bp_result result = BP_RESULT_UNSUPPORTED;
818 	struct atom_common_table_header *header;
819 	struct atom_data_revision tbl_revision;
820 
821 	if (!ss_info) /* check for bad input */
822 		return BP_RESULT_BADINPUT;
823 
824 	if (!DATA_TABLES(dce_info))
825 		return BP_RESULT_UNSUPPORTED;
826 
827 	header = GET_IMAGE(struct atom_common_table_header,
828 						DATA_TABLES(dce_info));
829 	get_atom_data_table_revision(header, &tbl_revision);
830 
831 	switch (tbl_revision.major) {
832 	case 4:
833 		switch (tbl_revision.minor) {
834 		case 1:
835 			return get_ss_info_v4_1(bp, signal, index, ss_info);
836 		case 2:
837 		case 3:
838 			return get_ss_info_v4_2(bp, signal, index, ss_info);
839 		default:
840 			break;
841 		}
842 		break;
843 	default:
844 		break;
845 	}
846 	/* there can not be more then one entry for SS Info table */
847 	return result;
848 }
849 
850 static enum bp_result get_embedded_panel_info_v2_1(
851 		struct bios_parser *bp,
852 		struct embedded_panel_info *info)
853 {
854 	struct lcd_info_v2_1 *lvds;
855 
856 	if (!info)
857 		return BP_RESULT_BADINPUT;
858 
859 	if (!DATA_TABLES(lcd_info))
860 		return BP_RESULT_UNSUPPORTED;
861 
862 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
863 
864 	if (!lvds)
865 		return BP_RESULT_BADBIOSTABLE;
866 
867 	/* TODO: previous vv1_3, should v2_1 */
868 	if (!((lvds->table_header.format_revision == 2)
869 			&& (lvds->table_header.content_revision >= 1)))
870 		return BP_RESULT_UNSUPPORTED;
871 
872 	memset(info, 0, sizeof(struct embedded_panel_info));
873 
874 	/* We need to convert from 10KHz units into KHz units */
875 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
876 	/* usHActive does not include borders, according to VBIOS team */
877 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
878 	/* usHBlanking_Time includes borders, so we should really be
879 	 * subtractingborders duing this translation, but LVDS generally
880 	 * doesn't have borders, so we should be okay leaving this as is for
881 	 * now.  May need to revisit if we ever have LVDS with borders
882 	 */
883 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
884 	/* usVActive does not include borders, according to VBIOS team*/
885 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
886 	/* usVBlanking_Time includes borders, so we should really be
887 	 * subtracting borders duing this translation, but LVDS generally
888 	 * doesn't have borders, so we should be okay leaving this as is for
889 	 * now. May need to revisit if we ever have LVDS with borders
890 	 */
891 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
892 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
893 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
894 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
895 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
896 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
897 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
898 
899 	/* not provided by VBIOS */
900 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
901 
902 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
903 			& ATOM_HSYNC_POLARITY);
904 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
905 			& ATOM_VSYNC_POLARITY);
906 
907 	/* not provided by VBIOS */
908 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
909 
910 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
911 			& ATOM_H_REPLICATIONBY2);
912 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
913 			& ATOM_V_REPLICATIONBY2);
914 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
915 			& ATOM_COMPOSITESYNC);
916 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
917 
918 	/* not provided by VBIOS*/
919 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
920 	/* not provided by VBIOS*/
921 	info->ss_id = 0;
922 
923 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
924 
925 	return BP_RESULT_OK;
926 }
927 
928 static enum bp_result bios_parser_get_embedded_panel_info(
929 		struct dc_bios *dcb,
930 		struct embedded_panel_info *info)
931 {
932 	struct bios_parser
933 	*bp = BP_FROM_DCB(dcb);
934 	struct atom_common_table_header *header;
935 	struct atom_data_revision tbl_revision;
936 
937 	if (!DATA_TABLES(lcd_info))
938 		return BP_RESULT_FAILURE;
939 
940 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
941 
942 	if (!header)
943 		return BP_RESULT_BADBIOSTABLE;
944 
945 	get_atom_data_table_revision(header, &tbl_revision);
946 
947 	switch (tbl_revision.major) {
948 	case 2:
949 		switch (tbl_revision.minor) {
950 		case 1:
951 			return get_embedded_panel_info_v2_1(bp, info);
952 		default:
953 			break;
954 		}
955 	default:
956 		break;
957 	}
958 
959 	return BP_RESULT_FAILURE;
960 }
961 
962 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
963 {
964 	enum dal_device_type device_type = device_id.device_type;
965 	uint32_t enum_id = device_id.enum_id;
966 
967 	switch (device_type) {
968 	case DEVICE_TYPE_LCD:
969 		switch (enum_id) {
970 		case 1:
971 			return ATOM_DISPLAY_LCD1_SUPPORT;
972 		default:
973 			break;
974 		}
975 		break;
976 	case DEVICE_TYPE_DFP:
977 		switch (enum_id) {
978 		case 1:
979 			return ATOM_DISPLAY_DFP1_SUPPORT;
980 		case 2:
981 			return ATOM_DISPLAY_DFP2_SUPPORT;
982 		case 3:
983 			return ATOM_DISPLAY_DFP3_SUPPORT;
984 		case 4:
985 			return ATOM_DISPLAY_DFP4_SUPPORT;
986 		case 5:
987 			return ATOM_DISPLAY_DFP5_SUPPORT;
988 		case 6:
989 			return ATOM_DISPLAY_DFP6_SUPPORT;
990 		default:
991 			break;
992 		}
993 		break;
994 	default:
995 		break;
996 	}
997 
998 	/* Unidentified device ID, return empty support mask. */
999 	return 0;
1000 }
1001 
1002 static bool bios_parser_is_device_id_supported(
1003 	struct dc_bios *dcb,
1004 	struct device_id id)
1005 {
1006 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1007 
1008 	uint32_t mask = get_support_mask_for_device_id(id);
1009 
1010 	return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1011 								mask) != 0;
1012 }
1013 
1014 static uint32_t bios_parser_get_ss_entry_number(
1015 	struct dc_bios *dcb,
1016 	enum as_signal_type signal)
1017 {
1018 	/* TODO: DAL2 atomfirmware implementation does not need this.
1019 	 * why DAL3 need this?
1020 	 */
1021 	return 1;
1022 }
1023 
1024 static enum bp_result bios_parser_transmitter_control(
1025 	struct dc_bios *dcb,
1026 	struct bp_transmitter_control *cntl)
1027 {
1028 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1029 
1030 	if (!bp->cmd_tbl.transmitter_control)
1031 		return BP_RESULT_FAILURE;
1032 
1033 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1034 }
1035 
1036 static enum bp_result bios_parser_encoder_control(
1037 	struct dc_bios *dcb,
1038 	struct bp_encoder_control *cntl)
1039 {
1040 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1041 
1042 	if (!bp->cmd_tbl.dig_encoder_control)
1043 		return BP_RESULT_FAILURE;
1044 
1045 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1046 }
1047 
1048 static enum bp_result bios_parser_set_pixel_clock(
1049 	struct dc_bios *dcb,
1050 	struct bp_pixel_clock_parameters *bp_params)
1051 {
1052 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1053 
1054 	if (!bp->cmd_tbl.set_pixel_clock)
1055 		return BP_RESULT_FAILURE;
1056 
1057 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1058 }
1059 
1060 static enum bp_result bios_parser_set_dce_clock(
1061 	struct dc_bios *dcb,
1062 	struct bp_set_dce_clock_parameters *bp_params)
1063 {
1064 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1065 
1066 	if (!bp->cmd_tbl.set_dce_clock)
1067 		return BP_RESULT_FAILURE;
1068 
1069 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1070 }
1071 
1072 static enum bp_result bios_parser_program_crtc_timing(
1073 	struct dc_bios *dcb,
1074 	struct bp_hw_crtc_timing_parameters *bp_params)
1075 {
1076 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1077 
1078 	if (!bp->cmd_tbl.set_crtc_timing)
1079 		return BP_RESULT_FAILURE;
1080 
1081 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1082 }
1083 
1084 static enum bp_result bios_parser_enable_crtc(
1085 	struct dc_bios *dcb,
1086 	enum controller_id id,
1087 	bool enable)
1088 {
1089 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1090 
1091 	if (!bp->cmd_tbl.enable_crtc)
1092 		return BP_RESULT_FAILURE;
1093 
1094 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1095 }
1096 
1097 static enum bp_result bios_parser_enable_disp_power_gating(
1098 	struct dc_bios *dcb,
1099 	enum controller_id controller_id,
1100 	enum bp_pipe_control_action action)
1101 {
1102 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1103 
1104 	if (!bp->cmd_tbl.enable_disp_power_gating)
1105 		return BP_RESULT_FAILURE;
1106 
1107 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1108 		action);
1109 }
1110 
1111 static bool bios_parser_is_accelerated_mode(
1112 	struct dc_bios *dcb)
1113 {
1114 	return bios_is_accelerated_mode(dcb);
1115 }
1116 
1117 /**
1118  * bios_parser_set_scratch_critical_state
1119  *
1120  * @brief
1121  *  update critical state bit in VBIOS scratch register
1122  *
1123  * @param
1124  *  bool - to set or reset state
1125  */
1126 static void bios_parser_set_scratch_critical_state(
1127 	struct dc_bios *dcb,
1128 	bool state)
1129 {
1130 	bios_set_scratch_critical_state(dcb, state);
1131 }
1132 
1133 static enum bp_result bios_parser_get_firmware_info(
1134 	struct dc_bios *dcb,
1135 	struct dc_firmware_info *info)
1136 {
1137 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1138 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1139 	struct atom_common_table_header *header;
1140 
1141 	struct atom_data_revision revision;
1142 
1143 	if (info && DATA_TABLES(firmwareinfo)) {
1144 		header = GET_IMAGE(struct atom_common_table_header,
1145 				DATA_TABLES(firmwareinfo));
1146 		get_atom_data_table_revision(header, &revision);
1147 		switch (revision.major) {
1148 		case 3:
1149 			switch (revision.minor) {
1150 			case 1:
1151 				result = get_firmware_info_v3_1(bp, info);
1152 				break;
1153 			case 2:
1154 				result = get_firmware_info_v3_2(bp, info);
1155 				break;
1156 			case 3:
1157 				result = get_firmware_info_v3_2(bp, info);
1158 				break;
1159 			default:
1160 				break;
1161 			}
1162 			break;
1163 		default:
1164 			break;
1165 		}
1166 	}
1167 
1168 	return result;
1169 }
1170 
1171 static enum bp_result get_firmware_info_v3_1(
1172 	struct bios_parser *bp,
1173 	struct dc_firmware_info *info)
1174 {
1175 	struct atom_firmware_info_v3_1 *firmware_info;
1176 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1177 
1178 	if (!info)
1179 		return BP_RESULT_BADINPUT;
1180 
1181 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1182 			DATA_TABLES(firmwareinfo));
1183 
1184 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1185 			DATA_TABLES(dce_info));
1186 
1187 	if (!firmware_info || !dce_info)
1188 		return BP_RESULT_BADBIOSTABLE;
1189 
1190 	memset(info, 0, sizeof(*info));
1191 
1192 	/* Pixel clock pll information. */
1193 	 /* We need to convert from 10KHz units into KHz units */
1194 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1195 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1196 
1197 	 /* 27MHz for Vega10: */
1198 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1199 
1200 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1201 	if (info->pll_info.crystal_frequency == 0)
1202 		info->pll_info.crystal_frequency = 27000;
1203 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1204 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1205 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1206 
1207 	/* Get GPU PLL VCO Clock */
1208 
1209 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1210 		/* VBIOS gives in 10KHz */
1211 		info->smu_gpu_pll_output_freq =
1212 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1213 	}
1214 
1215 	info->oem_i2c_present = false;
1216 
1217 	return BP_RESULT_OK;
1218 }
1219 
1220 static enum bp_result get_firmware_info_v3_2(
1221 	struct bios_parser *bp,
1222 	struct dc_firmware_info *info)
1223 {
1224 	struct atom_firmware_info_v3_2 *firmware_info;
1225 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1226 	struct atom_common_table_header *header;
1227 	struct atom_data_revision revision;
1228 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1229 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1230 
1231 	if (!info)
1232 		return BP_RESULT_BADINPUT;
1233 
1234 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1235 			DATA_TABLES(firmwareinfo));
1236 
1237 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1238 			DATA_TABLES(dce_info));
1239 
1240 	if (!firmware_info || !dce_info)
1241 		return BP_RESULT_BADBIOSTABLE;
1242 
1243 	memset(info, 0, sizeof(*info));
1244 
1245 	header = GET_IMAGE(struct atom_common_table_header,
1246 					DATA_TABLES(smu_info));
1247 	get_atom_data_table_revision(header, &revision);
1248 
1249 	if (revision.minor == 2) {
1250 		/* Vega12 */
1251 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1252 							DATA_TABLES(smu_info));
1253 
1254 		if (!smu_info_v3_2)
1255 			return BP_RESULT_BADBIOSTABLE;
1256 
1257 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1258 	} else if (revision.minor == 3) {
1259 		/* Vega20 */
1260 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1261 							DATA_TABLES(smu_info));
1262 
1263 		if (!smu_info_v3_3)
1264 			return BP_RESULT_BADBIOSTABLE;
1265 
1266 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1267 	}
1268 
1269 	 // We need to convert from 10KHz units into KHz units.
1270 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1271 
1272 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1273 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1274 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1275 	if (info->pll_info.crystal_frequency == 0) {
1276 		if (revision.minor == 2)
1277 			info->pll_info.crystal_frequency = 27000;
1278 		else if (revision.minor == 3)
1279 			info->pll_info.crystal_frequency = 100000;
1280 	}
1281 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1282 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1283 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1284 
1285 	/* Get GPU PLL VCO Clock */
1286 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1287 		if (revision.minor == 2)
1288 			info->smu_gpu_pll_output_freq =
1289 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1290 		else if (revision.minor == 3)
1291 			info->smu_gpu_pll_output_freq =
1292 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1293 	}
1294 
1295 	if (firmware_info->board_i2c_feature_id == 0x2) {
1296 		info->oem_i2c_present = true;
1297 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1298 	} else {
1299 		info->oem_i2c_present = false;
1300 	}
1301 
1302 	return BP_RESULT_OK;
1303 }
1304 
1305 static enum bp_result bios_parser_get_encoder_cap_info(
1306 	struct dc_bios *dcb,
1307 	struct graphics_object_id object_id,
1308 	struct bp_encoder_cap_info *info)
1309 {
1310 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1311 	struct atom_display_object_path_v2 *object;
1312 	struct atom_encoder_caps_record *record = NULL;
1313 
1314 	if (!info)
1315 		return BP_RESULT_BADINPUT;
1316 
1317 	object = get_bios_object(bp, object_id);
1318 
1319 	if (!object)
1320 		return BP_RESULT_BADINPUT;
1321 
1322 	record = get_encoder_cap_record(bp, object);
1323 	if (!record)
1324 		return BP_RESULT_NORECORD;
1325 
1326 	info->DP_HBR2_CAP = (record->encodercaps &
1327 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1328 	info->DP_HBR2_EN = (record->encodercaps &
1329 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1330 	info->DP_HBR3_EN = (record->encodercaps &
1331 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1332 	info->HDMI_6GB_EN = (record->encodercaps &
1333 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1334 	info->DP_IS_USB_C = (record->encodercaps &
1335 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
1336 
1337 	return BP_RESULT_OK;
1338 }
1339 
1340 
1341 static struct atom_encoder_caps_record *get_encoder_cap_record(
1342 	struct bios_parser *bp,
1343 	struct atom_display_object_path_v2 *object)
1344 {
1345 	struct atom_common_record_header *header;
1346 	uint32_t offset;
1347 
1348 	if (!object) {
1349 		BREAK_TO_DEBUGGER(); /* Invalid object */
1350 		return NULL;
1351 	}
1352 
1353 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1354 
1355 	for (;;) {
1356 		header = GET_IMAGE(struct atom_common_record_header, offset);
1357 
1358 		if (!header)
1359 			return NULL;
1360 
1361 		offset += header->record_size;
1362 
1363 		if (header->record_type == LAST_RECORD_TYPE ||
1364 				!header->record_size)
1365 			break;
1366 
1367 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1368 			continue;
1369 
1370 		if (sizeof(struct atom_encoder_caps_record) <=
1371 							header->record_size)
1372 			return (struct atom_encoder_caps_record *)header;
1373 	}
1374 
1375 	return NULL;
1376 }
1377 
1378 /*
1379  * get_integrated_info_v11
1380  *
1381  * @brief
1382  * Get V8 integrated BIOS information
1383  *
1384  * @param
1385  * bios_parser *bp - [in]BIOS parser handler to get master data table
1386  * integrated_info *info - [out] store and output integrated info
1387  *
1388  * @return
1389  * enum bp_result - BP_RESULT_OK if information is available,
1390  *                  BP_RESULT_BADBIOSTABLE otherwise.
1391  */
1392 static enum bp_result get_integrated_info_v11(
1393 	struct bios_parser *bp,
1394 	struct integrated_info *info)
1395 {
1396 	struct atom_integrated_system_info_v1_11 *info_v11;
1397 	uint32_t i;
1398 
1399 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1400 					DATA_TABLES(integratedsysteminfo));
1401 
1402 	if (info_v11 == NULL)
1403 		return BP_RESULT_BADBIOSTABLE;
1404 
1405 	info->gpu_cap_info =
1406 	le32_to_cpu(info_v11->gpucapinfo);
1407 	/*
1408 	* system_config: Bit[0] = 0 : PCIE power gating disabled
1409 	*                       = 1 : PCIE power gating enabled
1410 	*                Bit[1] = 0 : DDR-PLL shut down disabled
1411 	*                       = 1 : DDR-PLL shut down enabled
1412 	*                Bit[2] = 0 : DDR-PLL power down disabled
1413 	*                       = 1 : DDR-PLL power down enabled
1414 	*/
1415 	info->system_config = le32_to_cpu(info_v11->system_config);
1416 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1417 	info->memory_type = info_v11->memorytype;
1418 	info->ma_channel_number = info_v11->umachannelnumber;
1419 	info->lvds_ss_percentage =
1420 	le16_to_cpu(info_v11->lvds_ss_percentage);
1421 	info->dp_ss_control =
1422 	le16_to_cpu(info_v11->reserved1);
1423 	info->lvds_sspread_rate_in_10hz =
1424 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1425 	info->hdmi_ss_percentage =
1426 	le16_to_cpu(info_v11->hdmi_ss_percentage);
1427 	info->hdmi_sspread_rate_in_10hz =
1428 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1429 	info->dvi_ss_percentage =
1430 	le16_to_cpu(info_v11->dvi_ss_percentage);
1431 	info->dvi_sspread_rate_in_10_hz =
1432 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1433 	info->lvds_misc = info_v11->lvds_misc;
1434 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1435 		info->ext_disp_conn_info.gu_id[i] =
1436 				info_v11->extdispconninfo.guid[i];
1437 	}
1438 
1439 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1440 		info->ext_disp_conn_info.path[i].device_connector_id =
1441 		object_id_from_bios_object_id(
1442 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1443 
1444 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1445 		object_id_from_bios_object_id(
1446 			le16_to_cpu(
1447 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
1448 
1449 		info->ext_disp_conn_info.path[i].device_tag =
1450 			le16_to_cpu(
1451 				info_v11->extdispconninfo.path[i].device_tag);
1452 		info->ext_disp_conn_info.path[i].device_acpi_enum =
1453 		le16_to_cpu(
1454 			info_v11->extdispconninfo.path[i].device_acpi_enum);
1455 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1456 			info_v11->extdispconninfo.path[i].auxddclut_index;
1457 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1458 			info_v11->extdispconninfo.path[i].hpdlut_index;
1459 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
1460 			info_v11->extdispconninfo.path[i].channelmapping;
1461 		info->ext_disp_conn_info.path[i].caps =
1462 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1463 	}
1464 	info->ext_disp_conn_info.checksum =
1465 	info_v11->extdispconninfo.checksum;
1466 
1467 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1468 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1469 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1470 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1471 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1472 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1473 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1474 	}
1475 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1476 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1477 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1478 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1479 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1480 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1481 	}
1482 
1483 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1484 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1485 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1486 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1487 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1488 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1489 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1490 	}
1491 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1492 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1493 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1494 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1495 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1496 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1497 	}
1498 
1499 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1500 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1501 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1502 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1503 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1504 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1505 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1506 	}
1507 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1508 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1509 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1510 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1511 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1512 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1513 	}
1514 
1515 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1516 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1517 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1518 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1519 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1520 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1521 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1522 	}
1523 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1524 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1525 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1526 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1527 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1528 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1529 	}
1530 
1531 
1532 	/** TODO - review **/
1533 	#if 0
1534 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1535 									* 10;
1536 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1537 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1538 
1539 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1540 		/* Convert [10KHz] into [KHz] */
1541 		info->disp_clk_voltage[i].max_supported_clk =
1542 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1543 			ulMaximumSupportedCLK) * 10;
1544 		info->disp_clk_voltage[i].voltage_index =
1545 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1546 	}
1547 
1548 	info->boot_up_req_display_vector =
1549 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1550 	info->boot_up_nb_voltage =
1551 			le16_to_cpu(info_v11->usBootUpNBVoltage);
1552 	info->ext_disp_conn_info_offset =
1553 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1554 	info->gmc_restore_reset_time =
1555 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1556 	info->minimum_n_clk =
1557 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1558 	for (i = 1; i < 4; ++i)
1559 		info->minimum_n_clk =
1560 				info->minimum_n_clk <
1561 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1562 				info->minimum_n_clk : le32_to_cpu(
1563 					info_v11->ulNbpStateNClkFreq[i]);
1564 
1565 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1566 	info->ddr_dll_power_up_time =
1567 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1568 	info->ddr_pll_power_up_time =
1569 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1570 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1571 	info->max_lvds_pclk_freq_in_single_link =
1572 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1573 	info->max_lvds_pclk_freq_in_single_link =
1574 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1575 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1576 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1577 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1578 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1579 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1580 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1581 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1582 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1583 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1584 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1585 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1586 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1587 	info->lvds_off_to_on_delay_in_4ms =
1588 		info_v11->ucLVDSOffToOnDelay_in4Ms;
1589 	info->lvds_bit_depth_control_val =
1590 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1591 
1592 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1593 		/* Convert [10KHz] into [KHz] */
1594 		info->avail_s_clk[i].supported_s_clk =
1595 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1596 									* 10;
1597 		info->avail_s_clk[i].voltage_index =
1598 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1599 		info->avail_s_clk[i].voltage_id =
1600 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1601 	}
1602 	#endif /* TODO*/
1603 
1604 	return BP_RESULT_OK;
1605 }
1606 
1607 
1608 /*
1609  * construct_integrated_info
1610  *
1611  * @brief
1612  * Get integrated BIOS information based on table revision
1613  *
1614  * @param
1615  * bios_parser *bp - [in]BIOS parser handler to get master data table
1616  * integrated_info *info - [out] store and output integrated info
1617  *
1618  * @return
1619  * enum bp_result - BP_RESULT_OK if information is available,
1620  *                  BP_RESULT_BADBIOSTABLE otherwise.
1621  */
1622 static enum bp_result construct_integrated_info(
1623 	struct bios_parser *bp,
1624 	struct integrated_info *info)
1625 {
1626 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1627 
1628 	struct atom_common_table_header *header;
1629 	struct atom_data_revision revision;
1630 	uint32_t i;
1631 	uint32_t j;
1632 
1633 	if (info && DATA_TABLES(integratedsysteminfo)) {
1634 		header = GET_IMAGE(struct atom_common_table_header,
1635 					DATA_TABLES(integratedsysteminfo));
1636 
1637 		get_atom_data_table_revision(header, &revision);
1638 
1639 		/* Don't need to check major revision as they are all 1 */
1640 		switch (revision.minor) {
1641 		case 11:
1642 		case 12:
1643 			result = get_integrated_info_v11(bp, info);
1644 			break;
1645 		default:
1646 			return result;
1647 		}
1648 	}
1649 
1650 	if (result != BP_RESULT_OK)
1651 		return result;
1652 
1653 	/* Sort voltage table from low to high*/
1654 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1655 		for (j = i; j > 0; --j) {
1656 			if (info->disp_clk_voltage[j].max_supported_clk <
1657 				info->disp_clk_voltage[j-1].max_supported_clk
1658 				) {
1659 				/* swap j and j - 1*/
1660 				swap(info->disp_clk_voltage[j - 1],
1661 				     info->disp_clk_voltage[j]);
1662 			}
1663 		}
1664 	}
1665 
1666 	return result;
1667 }
1668 
1669 static struct integrated_info *bios_parser_create_integrated_info(
1670 	struct dc_bios *dcb)
1671 {
1672 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1673 	struct integrated_info *info = NULL;
1674 
1675 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
1676 
1677 	if (info == NULL) {
1678 		ASSERT_CRITICAL(0);
1679 		return NULL;
1680 	}
1681 
1682 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
1683 		return info;
1684 
1685 	kfree(info);
1686 
1687 	return NULL;
1688 }
1689 
1690 static enum bp_result update_slot_layout_info(
1691 	struct dc_bios *dcb,
1692 	unsigned int i,
1693 	struct slot_layout_info *slot_layout_info)
1694 {
1695 	unsigned int record_offset;
1696 	unsigned int j;
1697 	struct atom_display_object_path_v2 *object;
1698 	struct atom_bracket_layout_record *record;
1699 	struct atom_common_record_header *record_header;
1700 	enum bp_result result;
1701 	struct bios_parser *bp;
1702 	struct object_info_table *tbl;
1703 	struct display_object_info_table_v1_4 *v1_4;
1704 
1705 	record = NULL;
1706 	record_header = NULL;
1707 	result = BP_RESULT_NORECORD;
1708 
1709 	bp = BP_FROM_DCB(dcb);
1710 	tbl = &bp->object_info_tbl;
1711 	v1_4 = tbl->v1_4;
1712 
1713 	object = &v1_4->display_path[i];
1714 	record_offset = (unsigned int)
1715 		(object->disp_recordoffset) +
1716 		(unsigned int)(bp->object_info_tbl_offset);
1717 
1718 	for (;;) {
1719 
1720 		record_header = (struct atom_common_record_header *)
1721 			GET_IMAGE(struct atom_common_record_header,
1722 			record_offset);
1723 		if (record_header == NULL) {
1724 			result = BP_RESULT_BADBIOSTABLE;
1725 			break;
1726 		}
1727 
1728 		/* the end of the list */
1729 		if (record_header->record_type == 0xff ||
1730 			record_header->record_size == 0)	{
1731 			break;
1732 		}
1733 
1734 		if (record_header->record_type ==
1735 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
1736 			sizeof(struct atom_bracket_layout_record)
1737 			<= record_header->record_size) {
1738 			record = (struct atom_bracket_layout_record *)
1739 				(record_header);
1740 			result = BP_RESULT_OK;
1741 			break;
1742 		}
1743 
1744 		record_offset += record_header->record_size;
1745 	}
1746 
1747 	/* return if the record not found */
1748 	if (result != BP_RESULT_OK)
1749 		return result;
1750 
1751 	/* get slot sizes */
1752 	slot_layout_info->length = record->bracketlen;
1753 	slot_layout_info->width = record->bracketwidth;
1754 
1755 	/* get info for each connector in the slot */
1756 	slot_layout_info->num_of_connectors = record->conn_num;
1757 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
1758 		slot_layout_info->connectors[j].connector_type =
1759 			(enum connector_layout_type)
1760 			(record->conn_info[j].connector_type);
1761 		switch (record->conn_info[j].connector_type) {
1762 		case CONNECTOR_TYPE_DVI_D:
1763 			slot_layout_info->connectors[j].connector_type =
1764 				CONNECTOR_LAYOUT_TYPE_DVI_D;
1765 			slot_layout_info->connectors[j].length =
1766 				CONNECTOR_SIZE_DVI;
1767 			break;
1768 
1769 		case CONNECTOR_TYPE_HDMI:
1770 			slot_layout_info->connectors[j].connector_type =
1771 				CONNECTOR_LAYOUT_TYPE_HDMI;
1772 			slot_layout_info->connectors[j].length =
1773 				CONNECTOR_SIZE_HDMI;
1774 			break;
1775 
1776 		case CONNECTOR_TYPE_DISPLAY_PORT:
1777 			slot_layout_info->connectors[j].connector_type =
1778 				CONNECTOR_LAYOUT_TYPE_DP;
1779 			slot_layout_info->connectors[j].length =
1780 				CONNECTOR_SIZE_DP;
1781 			break;
1782 
1783 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
1784 			slot_layout_info->connectors[j].connector_type =
1785 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
1786 			slot_layout_info->connectors[j].length =
1787 				CONNECTOR_SIZE_MINI_DP;
1788 			break;
1789 
1790 		default:
1791 			slot_layout_info->connectors[j].connector_type =
1792 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
1793 			slot_layout_info->connectors[j].length =
1794 				CONNECTOR_SIZE_UNKNOWN;
1795 		}
1796 
1797 		slot_layout_info->connectors[j].position =
1798 			record->conn_info[j].position;
1799 		slot_layout_info->connectors[j].connector_id =
1800 			object_id_from_bios_object_id(
1801 				record->conn_info[j].connectorobjid);
1802 	}
1803 	return result;
1804 }
1805 
1806 
1807 static enum bp_result get_bracket_layout_record(
1808 	struct dc_bios *dcb,
1809 	unsigned int bracket_layout_id,
1810 	struct slot_layout_info *slot_layout_info)
1811 {
1812 	unsigned int i;
1813 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1814 	enum bp_result result;
1815 	struct object_info_table *tbl;
1816 	struct display_object_info_table_v1_4 *v1_4;
1817 
1818 	if (slot_layout_info == NULL) {
1819 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
1820 		return BP_RESULT_BADINPUT;
1821 	}
1822 	tbl = &bp->object_info_tbl;
1823 	v1_4 = tbl->v1_4;
1824 
1825 	result = BP_RESULT_NORECORD;
1826 	for (i = 0; i < v1_4->number_of_path; ++i)	{
1827 
1828 		if (bracket_layout_id ==
1829 			v1_4->display_path[i].display_objid) {
1830 			result = update_slot_layout_info(dcb, i,
1831 				slot_layout_info);
1832 			break;
1833 		}
1834 	}
1835 	return result;
1836 }
1837 
1838 static enum bp_result bios_get_board_layout_info(
1839 	struct dc_bios *dcb,
1840 	struct board_layout_info *board_layout_info)
1841 {
1842 	unsigned int i;
1843 	enum bp_result record_result;
1844 
1845 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
1846 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
1847 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
1848 		0, 0
1849 	};
1850 
1851 	if (board_layout_info == NULL) {
1852 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
1853 		return BP_RESULT_BADINPUT;
1854 	}
1855 
1856 	board_layout_info->num_of_slots = 0;
1857 
1858 	for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
1859 		record_result = get_bracket_layout_record(dcb,
1860 			slot_index_to_vbios_id[i],
1861 			&board_layout_info->slots[i]);
1862 
1863 		if (record_result == BP_RESULT_NORECORD && i > 0)
1864 			break; /* no more slots present in bios */
1865 		else if (record_result != BP_RESULT_OK)
1866 			return record_result;  /* fail */
1867 
1868 		++board_layout_info->num_of_slots;
1869 	}
1870 
1871 	/* all data is valid */
1872 	board_layout_info->is_number_of_slots_valid = 1;
1873 	board_layout_info->is_slots_size_valid = 1;
1874 	board_layout_info->is_connector_offsets_valid = 1;
1875 	board_layout_info->is_connector_lengths_valid = 1;
1876 
1877 	return BP_RESULT_OK;
1878 }
1879 
1880 static const struct dc_vbios_funcs vbios_funcs = {
1881 	.get_connectors_number = bios_parser_get_connectors_number,
1882 
1883 	.get_connector_id = bios_parser_get_connector_id,
1884 
1885 	.get_src_obj = bios_parser_get_src_obj,
1886 
1887 	.get_i2c_info = bios_parser_get_i2c_info,
1888 
1889 	.get_hpd_info = bios_parser_get_hpd_info,
1890 
1891 	.get_device_tag = bios_parser_get_device_tag,
1892 
1893 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
1894 
1895 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
1896 
1897 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
1898 
1899 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
1900 
1901 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
1902 
1903 	.is_device_id_supported = bios_parser_is_device_id_supported,
1904 
1905 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
1906 
1907 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
1908 
1909 
1910 /*	 COMMANDS */
1911 	.encoder_control = bios_parser_encoder_control,
1912 
1913 	.transmitter_control = bios_parser_transmitter_control,
1914 
1915 	.enable_crtc = bios_parser_enable_crtc,
1916 
1917 	.set_pixel_clock = bios_parser_set_pixel_clock,
1918 
1919 	.set_dce_clock = bios_parser_set_dce_clock,
1920 
1921 	.program_crtc_timing = bios_parser_program_crtc_timing,
1922 
1923 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
1924 
1925 	.bios_parser_destroy = firmware_parser_destroy,
1926 
1927 	.get_board_layout_info = bios_get_board_layout_info,
1928 };
1929 
1930 static bool bios_parser2_construct(
1931 	struct bios_parser *bp,
1932 	struct bp_init_data *init,
1933 	enum dce_version dce_version)
1934 {
1935 	uint16_t *rom_header_offset = NULL;
1936 	struct atom_rom_header_v2_2 *rom_header = NULL;
1937 	struct display_object_info_table_v1_4 *object_info_tbl;
1938 	struct atom_data_revision tbl_rev = {0};
1939 
1940 	if (!init)
1941 		return false;
1942 
1943 	if (!init->bios)
1944 		return false;
1945 
1946 	bp->base.funcs = &vbios_funcs;
1947 	bp->base.bios = init->bios;
1948 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
1949 
1950 	bp->base.ctx = init->ctx;
1951 
1952 	bp->base.bios_local_image = NULL;
1953 
1954 	rom_header_offset =
1955 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
1956 
1957 	if (!rom_header_offset)
1958 		return false;
1959 
1960 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
1961 
1962 	if (!rom_header)
1963 		return false;
1964 
1965 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
1966 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
1967 		return false;
1968 
1969 	bp->master_data_tbl =
1970 		GET_IMAGE(struct atom_master_data_table_v2_1,
1971 				rom_header->masterdatatable_offset);
1972 
1973 	if (!bp->master_data_tbl)
1974 		return false;
1975 
1976 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
1977 
1978 	if (!bp->object_info_tbl_offset)
1979 		return false;
1980 
1981 	object_info_tbl =
1982 			GET_IMAGE(struct display_object_info_table_v1_4,
1983 						bp->object_info_tbl_offset);
1984 
1985 	if (!object_info_tbl)
1986 		return false;
1987 
1988 	get_atom_data_table_revision(&object_info_tbl->table_header,
1989 		&bp->object_info_tbl.revision);
1990 
1991 	if (bp->object_info_tbl.revision.major == 1
1992 		&& bp->object_info_tbl.revision.minor >= 4) {
1993 		struct display_object_info_table_v1_4 *tbl_v1_4;
1994 
1995 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
1996 			bp->object_info_tbl_offset);
1997 		if (!tbl_v1_4)
1998 			return false;
1999 
2000 		bp->object_info_tbl.v1_4 = tbl_v1_4;
2001 	} else
2002 		return false;
2003 
2004 	dal_firmware_parser_init_cmd_tbl(bp);
2005 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
2006 
2007 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
2008 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
2009 
2010 	return true;
2011 }
2012 
2013 struct dc_bios *firmware_parser_create(
2014 	struct bp_init_data *init,
2015 	enum dce_version dce_version)
2016 {
2017 	struct bios_parser *bp = NULL;
2018 
2019 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2020 	if (!bp)
2021 		return NULL;
2022 
2023 	if (bios_parser2_construct(bp, init, dce_version))
2024 		return &bp->base;
2025 
2026 	kfree(bp);
2027 	return NULL;
2028 }
2029 
2030 
2031