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 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 	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 		/* fall through */
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 		/* fall through */
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 bios_parser *bp = BP_FROM_DCB(dcb);
298 
299 	if (!info)
300 		return BP_RESULT_BADINPUT;
301 
302 	object = get_bios_object(bp, id);
303 
304 	if (!object)
305 		return BP_RESULT_BADINPUT;
306 
307 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
308 
309 	for (;;) {
310 		header = GET_IMAGE(struct atom_common_record_header, offset);
311 
312 		if (!header)
313 			return BP_RESULT_BADBIOSTABLE;
314 
315 		if (header->record_type == LAST_RECORD_TYPE ||
316 			!header->record_size)
317 			break;
318 
319 		if (header->record_type == ATOM_I2C_RECORD_TYPE
320 			&& sizeof(struct atom_i2c_record) <=
321 							header->record_size) {
322 			/* get the I2C info */
323 			record = (struct atom_i2c_record *) header;
324 
325 			if (get_gpio_i2c_info(bp, record, info) ==
326 								BP_RESULT_OK)
327 				return BP_RESULT_OK;
328 		}
329 
330 		offset += header->record_size;
331 	}
332 
333 	return BP_RESULT_NORECORD;
334 }
335 
336 static enum bp_result get_gpio_i2c_info(
337 	struct bios_parser *bp,
338 	struct atom_i2c_record *record,
339 	struct graphics_object_i2c_info *info)
340 {
341 	struct atom_gpio_pin_lut_v2_1 *header;
342 	uint32_t count = 0;
343 	unsigned int table_index = 0;
344 
345 	if (!info)
346 		return BP_RESULT_BADINPUT;
347 
348 	/* get the GPIO_I2C info */
349 	if (!DATA_TABLES(gpio_pin_lut))
350 		return BP_RESULT_BADBIOSTABLE;
351 
352 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
353 					DATA_TABLES(gpio_pin_lut));
354 	if (!header)
355 		return BP_RESULT_BADBIOSTABLE;
356 
357 	if (sizeof(struct atom_common_table_header) +
358 			sizeof(struct atom_gpio_pin_assignment)	>
359 			le16_to_cpu(header->table_header.structuresize))
360 		return BP_RESULT_BADBIOSTABLE;
361 
362 	/* TODO: is version change? */
363 	if (header->table_header.content_revision != 1)
364 		return BP_RESULT_UNSUPPORTED;
365 
366 	/* get data count */
367 	count = (le16_to_cpu(header->table_header.structuresize)
368 			- sizeof(struct atom_common_table_header))
369 				/ sizeof(struct atom_gpio_pin_assignment);
370 
371 	table_index = record->i2c_id  & I2C_HW_LANE_MUX;
372 
373 	if (count < table_index) {
374 		bool find_valid = false;
375 
376 		for (table_index = 0; table_index < count; table_index++) {
377 			if (((record->i2c_id & I2C_HW_CAP) == (
378 			header->gpio_pin[table_index].gpio_id &
379 							I2C_HW_CAP)) &&
380 			((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
381 			(header->gpio_pin[table_index].gpio_id &
382 						I2C_HW_ENGINE_ID_MASK)) &&
383 			((record->i2c_id & I2C_HW_LANE_MUX) ==
384 			(header->gpio_pin[table_index].gpio_id &
385 							I2C_HW_LANE_MUX))) {
386 				/* still valid */
387 				find_valid = true;
388 				break;
389 			}
390 		}
391 		/* If we don't find the entry that we are looking for then
392 		 *  we will return BP_Result_BadBiosTable.
393 		 */
394 		if (find_valid == false)
395 			return BP_RESULT_BADBIOSTABLE;
396 	}
397 
398 	/* get the GPIO_I2C_INFO */
399 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
400 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
401 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
402 	info->i2c_slave_address = record->i2c_slave_addr;
403 
404 	/* TODO: check how to get register offset for en, Y, etc. */
405 	info->gpio_info.clk_a_register_index =
406 			le16_to_cpu(
407 			header->gpio_pin[table_index].data_a_reg_index);
408 	info->gpio_info.clk_a_shift =
409 			header->gpio_pin[table_index].gpio_bitshift;
410 
411 	return BP_RESULT_OK;
412 }
413 
414 static enum bp_result bios_parser_get_hpd_info(
415 	struct dc_bios *dcb,
416 	struct graphics_object_id id,
417 	struct graphics_object_hpd_info *info)
418 {
419 	struct bios_parser *bp = BP_FROM_DCB(dcb);
420 	struct atom_display_object_path_v2 *object;
421 	struct atom_hpd_int_record *record = NULL;
422 
423 	if (!info)
424 		return BP_RESULT_BADINPUT;
425 
426 	object = get_bios_object(bp, id);
427 
428 	if (!object)
429 		return BP_RESULT_BADINPUT;
430 
431 	record = get_hpd_record(bp, object);
432 
433 	if (record != NULL) {
434 		info->hpd_int_gpio_uid = record->pin_id;
435 		info->hpd_active = record->plugin_pin_state;
436 		return BP_RESULT_OK;
437 	}
438 
439 	return BP_RESULT_NORECORD;
440 }
441 
442 static struct atom_hpd_int_record *get_hpd_record(
443 	struct bios_parser *bp,
444 	struct atom_display_object_path_v2 *object)
445 {
446 	struct atom_common_record_header *header;
447 	uint32_t offset;
448 
449 	if (!object) {
450 		BREAK_TO_DEBUGGER(); /* Invalid object */
451 		return NULL;
452 	}
453 
454 	offset = le16_to_cpu(object->disp_recordoffset)
455 			+ bp->object_info_tbl_offset;
456 
457 	for (;;) {
458 		header = GET_IMAGE(struct atom_common_record_header, offset);
459 
460 		if (!header)
461 			return NULL;
462 
463 		if (header->record_type == LAST_RECORD_TYPE ||
464 			!header->record_size)
465 			break;
466 
467 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
468 			&& sizeof(struct atom_hpd_int_record) <=
469 							header->record_size)
470 			return (struct atom_hpd_int_record *) header;
471 
472 		offset += header->record_size;
473 	}
474 
475 	return NULL;
476 }
477 
478 /**
479  * bios_parser_get_gpio_pin_info
480  * Get GpioPin information of input gpio id
481  *
482  * @param gpio_id, GPIO ID
483  * @param info, GpioPin information structure
484  * @return Bios parser result code
485  * @note
486  *  to get the GPIO PIN INFO, we need:
487  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
488  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
489  *	to get the registerA  offset/mask
490  */
491 static enum bp_result bios_parser_get_gpio_pin_info(
492 	struct dc_bios *dcb,
493 	uint32_t gpio_id,
494 	struct gpio_pin_info *info)
495 {
496 	struct bios_parser *bp = BP_FROM_DCB(dcb);
497 	struct atom_gpio_pin_lut_v2_1 *header;
498 	uint32_t count = 0;
499 	uint32_t i = 0;
500 
501 	if (!DATA_TABLES(gpio_pin_lut))
502 		return BP_RESULT_BADBIOSTABLE;
503 
504 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
505 						DATA_TABLES(gpio_pin_lut));
506 	if (!header)
507 		return BP_RESULT_BADBIOSTABLE;
508 
509 	if (sizeof(struct atom_common_table_header) +
510 			sizeof(struct atom_gpio_pin_assignment)
511 			> le16_to_cpu(header->table_header.structuresize))
512 		return BP_RESULT_BADBIOSTABLE;
513 
514 	if (header->table_header.content_revision != 1)
515 		return BP_RESULT_UNSUPPORTED;
516 
517 	/* Temporary hard code gpio pin info */
518 #if defined(FOR_SIMNOW_BOOT)
519 	{
520 		struct  atom_gpio_pin_assignment  gpio_pin[8] = {
521 				{0x5db5, 0, 0, 1, 0},
522 				{0x5db5, 8, 8, 2, 0},
523 				{0x5db5, 0x10, 0x10, 3, 0},
524 				{0x5db5, 0x18, 0x14, 4, 0},
525 				{0x5db5, 0x1A, 0x18, 5, 0},
526 				{0x5db5, 0x1C, 0x1C, 6, 0},
527 		};
528 
529 		count = 6;
530 		memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
531 	}
532 #else
533 	count = (le16_to_cpu(header->table_header.structuresize)
534 			- sizeof(struct atom_common_table_header))
535 				/ sizeof(struct atom_gpio_pin_assignment);
536 #endif
537 	for (i = 0; i < count; ++i) {
538 		if (header->gpio_pin[i].gpio_id != gpio_id)
539 			continue;
540 
541 		info->offset =
542 			(uint32_t) le16_to_cpu(
543 					header->gpio_pin[i].data_a_reg_index);
544 		info->offset_y = info->offset + 2;
545 		info->offset_en = info->offset + 1;
546 		info->offset_mask = info->offset - 1;
547 
548 		info->mask = (uint32_t) (1 <<
549 			header->gpio_pin[i].gpio_bitshift);
550 		info->mask_y = info->mask + 2;
551 		info->mask_en = info->mask + 1;
552 		info->mask_mask = info->mask - 1;
553 
554 		return BP_RESULT_OK;
555 	}
556 
557 	return BP_RESULT_NORECORD;
558 }
559 
560 static struct device_id device_type_from_device_id(uint16_t device_id)
561 {
562 
563 	struct device_id result_device_id;
564 
565 	result_device_id.raw_device_tag = device_id;
566 
567 	switch (device_id) {
568 	case ATOM_DISPLAY_LCD1_SUPPORT:
569 		result_device_id.device_type = DEVICE_TYPE_LCD;
570 		result_device_id.enum_id = 1;
571 		break;
572 
573 	case ATOM_DISPLAY_DFP1_SUPPORT:
574 		result_device_id.device_type = DEVICE_TYPE_DFP;
575 		result_device_id.enum_id = 1;
576 		break;
577 
578 	case ATOM_DISPLAY_DFP2_SUPPORT:
579 		result_device_id.device_type = DEVICE_TYPE_DFP;
580 		result_device_id.enum_id = 2;
581 		break;
582 
583 	case ATOM_DISPLAY_DFP3_SUPPORT:
584 		result_device_id.device_type = DEVICE_TYPE_DFP;
585 		result_device_id.enum_id = 3;
586 		break;
587 
588 	case ATOM_DISPLAY_DFP4_SUPPORT:
589 		result_device_id.device_type = DEVICE_TYPE_DFP;
590 		result_device_id.enum_id = 4;
591 		break;
592 
593 	case ATOM_DISPLAY_DFP5_SUPPORT:
594 		result_device_id.device_type = DEVICE_TYPE_DFP;
595 		result_device_id.enum_id = 5;
596 		break;
597 
598 	case ATOM_DISPLAY_DFP6_SUPPORT:
599 		result_device_id.device_type = DEVICE_TYPE_DFP;
600 		result_device_id.enum_id = 6;
601 		break;
602 
603 	default:
604 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
605 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
606 		result_device_id.enum_id = 0;
607 	}
608 	return result_device_id;
609 }
610 
611 static enum bp_result bios_parser_get_device_tag(
612 	struct dc_bios *dcb,
613 	struct graphics_object_id connector_object_id,
614 	uint32_t device_tag_index,
615 	struct connector_device_tag_info *info)
616 {
617 	struct bios_parser *bp = BP_FROM_DCB(dcb);
618 	struct atom_display_object_path_v2 *object;
619 
620 	if (!info)
621 		return BP_RESULT_BADINPUT;
622 
623 	/* getBiosObject will return MXM object */
624 	object = get_bios_object(bp, connector_object_id);
625 
626 	if (!object) {
627 		BREAK_TO_DEBUGGER(); /* Invalid object id */
628 		return BP_RESULT_BADINPUT;
629 	}
630 
631 	info->acpi_device = 0; /* BIOS no longer provides this */
632 	info->dev_id = device_type_from_device_id(object->device_tag);
633 
634 	return BP_RESULT_OK;
635 }
636 
637 static enum bp_result get_ss_info_v4_1(
638 	struct bios_parser *bp,
639 	uint32_t id,
640 	uint32_t index,
641 	struct spread_spectrum_info *ss_info)
642 {
643 	enum bp_result result = BP_RESULT_OK;
644 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
645 	struct atom_smu_info_v3_3 *smu_info = NULL;
646 
647 	if (!ss_info)
648 		return BP_RESULT_BADINPUT;
649 
650 	if (!DATA_TABLES(dce_info))
651 		return BP_RESULT_BADBIOSTABLE;
652 
653 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
654 							DATA_TABLES(dce_info));
655 	if (!disp_cntl_tbl)
656 		return BP_RESULT_BADBIOSTABLE;
657 
658 
659 	ss_info->type.STEP_AND_DELAY_INFO = false;
660 	ss_info->spread_percentage_divider = 1000;
661 	/* BIOS no longer uses target clock.  Always enable for now */
662 	ss_info->target_clock_range = 0xffffffff;
663 
664 	switch (id) {
665 	case AS_SIGNAL_TYPE_DVI:
666 		ss_info->spread_spectrum_percentage =
667 				disp_cntl_tbl->dvi_ss_percentage;
668 		ss_info->spread_spectrum_range =
669 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
670 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
671 			ss_info->type.CENTER_MODE = true;
672 		break;
673 	case AS_SIGNAL_TYPE_HDMI:
674 		ss_info->spread_spectrum_percentage =
675 				disp_cntl_tbl->hdmi_ss_percentage;
676 		ss_info->spread_spectrum_range =
677 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
678 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
679 			ss_info->type.CENTER_MODE = true;
680 		break;
681 	/* TODO LVDS not support anymore? */
682 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
683 		ss_info->spread_spectrum_percentage =
684 				disp_cntl_tbl->dp_ss_percentage;
685 		ss_info->spread_spectrum_range =
686 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
687 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
688 			ss_info->type.CENTER_MODE = true;
689 		break;
690 	case AS_SIGNAL_TYPE_GPU_PLL:
691 		/* atom_firmware: DAL only get data from dce_info table.
692 		 * if data within smu_info is needed for DAL, VBIOS should
693 		 * copy it into dce_info
694 		 */
695 		result = BP_RESULT_UNSUPPORTED;
696 		break;
697 	case AS_SIGNAL_TYPE_XGMI:
698 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
699 				      DATA_TABLES(smu_info));
700 		if (!smu_info)
701 			return BP_RESULT_BADBIOSTABLE;
702 
703 		ss_info->spread_spectrum_percentage =
704 				smu_info->waflclk_ss_percentage;
705 		ss_info->spread_spectrum_range =
706 				smu_info->gpuclk_ss_rate_10hz * 10;
707 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
708 			ss_info->type.CENTER_MODE = true;
709 		break;
710 	default:
711 		result = BP_RESULT_UNSUPPORTED;
712 	}
713 
714 	return result;
715 }
716 
717 static enum bp_result get_ss_info_v4_2(
718 	struct bios_parser *bp,
719 	uint32_t id,
720 	uint32_t index,
721 	struct spread_spectrum_info *ss_info)
722 {
723 	enum bp_result result = BP_RESULT_OK;
724 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
725 	struct atom_smu_info_v3_1 *smu_info = NULL;
726 
727 	if (!ss_info)
728 		return BP_RESULT_BADINPUT;
729 
730 	if (!DATA_TABLES(dce_info))
731 		return BP_RESULT_BADBIOSTABLE;
732 
733 	if (!DATA_TABLES(smu_info))
734 		return BP_RESULT_BADBIOSTABLE;
735 
736 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
737 							DATA_TABLES(dce_info));
738 	if (!disp_cntl_tbl)
739 		return BP_RESULT_BADBIOSTABLE;
740 
741 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
742 	if (!smu_info)
743 		return BP_RESULT_BADBIOSTABLE;
744 
745 	ss_info->type.STEP_AND_DELAY_INFO = false;
746 	ss_info->spread_percentage_divider = 1000;
747 	/* BIOS no longer uses target clock.  Always enable for now */
748 	ss_info->target_clock_range = 0xffffffff;
749 
750 	switch (id) {
751 	case AS_SIGNAL_TYPE_DVI:
752 		ss_info->spread_spectrum_percentage =
753 				disp_cntl_tbl->dvi_ss_percentage;
754 		ss_info->spread_spectrum_range =
755 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
756 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
757 			ss_info->type.CENTER_MODE = true;
758 		break;
759 	case AS_SIGNAL_TYPE_HDMI:
760 		ss_info->spread_spectrum_percentage =
761 				disp_cntl_tbl->hdmi_ss_percentage;
762 		ss_info->spread_spectrum_range =
763 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
764 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
765 			ss_info->type.CENTER_MODE = true;
766 		break;
767 	/* TODO LVDS not support anymore? */
768 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
769 		ss_info->spread_spectrum_percentage =
770 				smu_info->gpuclk_ss_percentage;
771 		ss_info->spread_spectrum_range =
772 				smu_info->gpuclk_ss_rate_10hz * 10;
773 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
774 			ss_info->type.CENTER_MODE = true;
775 		break;
776 	case AS_SIGNAL_TYPE_GPU_PLL:
777 		/* atom_firmware: DAL only get data from dce_info table.
778 		 * if data within smu_info is needed for DAL, VBIOS should
779 		 * copy it into dce_info
780 		 */
781 		result = BP_RESULT_UNSUPPORTED;
782 		break;
783 	default:
784 		result = BP_RESULT_UNSUPPORTED;
785 	}
786 
787 	return result;
788 }
789 
790 /**
791  * bios_parser_get_spread_spectrum_info
792  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
793  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
794  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
795  * ver 3.1,
796  * there is only one entry for each signal /ss id.  However, there is
797  * no planning of supporting multiple spread Sprectum entry for EverGreen
798  * @param [in] this
799  * @param [in] signal, ASSignalType to be converted to info index
800  * @param [in] index, number of entries that match the converted info index
801  * @param [out] ss_info, sprectrum information structure,
802  * @return Bios parser result code
803  */
804 static enum bp_result bios_parser_get_spread_spectrum_info(
805 	struct dc_bios *dcb,
806 	enum as_signal_type signal,
807 	uint32_t index,
808 	struct spread_spectrum_info *ss_info)
809 {
810 	struct bios_parser *bp = BP_FROM_DCB(dcb);
811 	enum bp_result result = BP_RESULT_UNSUPPORTED;
812 	struct atom_common_table_header *header;
813 	struct atom_data_revision tbl_revision;
814 
815 	if (!ss_info) /* check for bad input */
816 		return BP_RESULT_BADINPUT;
817 
818 	if (!DATA_TABLES(dce_info))
819 		return BP_RESULT_UNSUPPORTED;
820 
821 	header = GET_IMAGE(struct atom_common_table_header,
822 						DATA_TABLES(dce_info));
823 	get_atom_data_table_revision(header, &tbl_revision);
824 
825 	switch (tbl_revision.major) {
826 	case 4:
827 		switch (tbl_revision.minor) {
828 		case 1:
829 			return get_ss_info_v4_1(bp, signal, index, ss_info);
830 		case 2:
831 			return get_ss_info_v4_2(bp, signal, index, ss_info);
832 		default:
833 			break;
834 		}
835 		break;
836 	default:
837 		break;
838 	}
839 	/* there can not be more then one entry for SS Info table */
840 	return result;
841 }
842 
843 static enum bp_result get_embedded_panel_info_v2_1(
844 		struct bios_parser *bp,
845 		struct embedded_panel_info *info)
846 {
847 	struct lcd_info_v2_1 *lvds;
848 
849 	if (!info)
850 		return BP_RESULT_BADINPUT;
851 
852 	if (!DATA_TABLES(lcd_info))
853 		return BP_RESULT_UNSUPPORTED;
854 
855 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
856 
857 	if (!lvds)
858 		return BP_RESULT_BADBIOSTABLE;
859 
860 	/* TODO: previous vv1_3, should v2_1 */
861 	if (!((lvds->table_header.format_revision == 2)
862 			&& (lvds->table_header.content_revision >= 1)))
863 		return BP_RESULT_UNSUPPORTED;
864 
865 	memset(info, 0, sizeof(struct embedded_panel_info));
866 
867 	/* We need to convert from 10KHz units into KHz units */
868 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
869 	/* usHActive does not include borders, according to VBIOS team */
870 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
871 	/* usHBlanking_Time includes borders, so we should really be
872 	 * subtractingborders duing this translation, but LVDS generally
873 	 * doesn't have borders, so we should be okay leaving this as is for
874 	 * now.  May need to revisit if we ever have LVDS with borders
875 	 */
876 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
877 	/* usVActive does not include borders, according to VBIOS team*/
878 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
879 	/* usVBlanking_Time includes borders, so we should really be
880 	 * subtracting borders duing this translation, but LVDS generally
881 	 * doesn't have borders, so we should be okay leaving this as is for
882 	 * now. May need to revisit if we ever have LVDS with borders
883 	 */
884 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
885 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
886 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
887 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
888 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
889 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
890 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
891 
892 	/* not provided by VBIOS */
893 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
894 
895 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
896 			& ATOM_HSYNC_POLARITY);
897 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
898 			& ATOM_VSYNC_POLARITY);
899 
900 	/* not provided by VBIOS */
901 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
902 
903 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
904 			& ATOM_H_REPLICATIONBY2);
905 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
906 			& ATOM_V_REPLICATIONBY2);
907 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
908 			& ATOM_COMPOSITESYNC);
909 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
910 
911 	/* not provided by VBIOS*/
912 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
913 	/* not provided by VBIOS*/
914 	info->ss_id = 0;
915 
916 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
917 
918 	return BP_RESULT_OK;
919 }
920 
921 static enum bp_result bios_parser_get_embedded_panel_info(
922 		struct dc_bios *dcb,
923 		struct embedded_panel_info *info)
924 {
925 	struct bios_parser
926 	*bp = BP_FROM_DCB(dcb);
927 	struct atom_common_table_header *header;
928 	struct atom_data_revision tbl_revision;
929 
930 	if (!DATA_TABLES(lcd_info))
931 		return BP_RESULT_FAILURE;
932 
933 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
934 
935 	if (!header)
936 		return BP_RESULT_BADBIOSTABLE;
937 
938 	get_atom_data_table_revision(header, &tbl_revision);
939 
940 	switch (tbl_revision.major) {
941 	case 2:
942 		switch (tbl_revision.minor) {
943 		case 1:
944 			return get_embedded_panel_info_v2_1(bp, info);
945 		default:
946 			break;
947 		}
948 	default:
949 		break;
950 	}
951 
952 	return BP_RESULT_FAILURE;
953 }
954 
955 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
956 {
957 	enum dal_device_type device_type = device_id.device_type;
958 	uint32_t enum_id = device_id.enum_id;
959 
960 	switch (device_type) {
961 	case DEVICE_TYPE_LCD:
962 		switch (enum_id) {
963 		case 1:
964 			return ATOM_DISPLAY_LCD1_SUPPORT;
965 		default:
966 			break;
967 		}
968 		break;
969 	case DEVICE_TYPE_DFP:
970 		switch (enum_id) {
971 		case 1:
972 			return ATOM_DISPLAY_DFP1_SUPPORT;
973 		case 2:
974 			return ATOM_DISPLAY_DFP2_SUPPORT;
975 		case 3:
976 			return ATOM_DISPLAY_DFP3_SUPPORT;
977 		case 4:
978 			return ATOM_DISPLAY_DFP4_SUPPORT;
979 		case 5:
980 			return ATOM_DISPLAY_DFP5_SUPPORT;
981 		case 6:
982 			return ATOM_DISPLAY_DFP6_SUPPORT;
983 		default:
984 			break;
985 		}
986 		break;
987 	default:
988 		break;
989 	};
990 
991 	/* Unidentified device ID, return empty support mask. */
992 	return 0;
993 }
994 
995 static bool bios_parser_is_device_id_supported(
996 	struct dc_bios *dcb,
997 	struct device_id id)
998 {
999 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1000 
1001 	uint32_t mask = get_support_mask_for_device_id(id);
1002 
1003 	return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1004 								mask) != 0;
1005 }
1006 
1007 static uint32_t bios_parser_get_ss_entry_number(
1008 	struct dc_bios *dcb,
1009 	enum as_signal_type signal)
1010 {
1011 	/* TODO: DAL2 atomfirmware implementation does not need this.
1012 	 * why DAL3 need this?
1013 	 */
1014 	return 1;
1015 }
1016 
1017 static enum bp_result bios_parser_transmitter_control(
1018 	struct dc_bios *dcb,
1019 	struct bp_transmitter_control *cntl)
1020 {
1021 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1022 
1023 	if (!bp->cmd_tbl.transmitter_control)
1024 		return BP_RESULT_FAILURE;
1025 
1026 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1027 }
1028 
1029 static enum bp_result bios_parser_encoder_control(
1030 	struct dc_bios *dcb,
1031 	struct bp_encoder_control *cntl)
1032 {
1033 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1034 
1035 	if (!bp->cmd_tbl.dig_encoder_control)
1036 		return BP_RESULT_FAILURE;
1037 
1038 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1039 }
1040 
1041 static enum bp_result bios_parser_set_pixel_clock(
1042 	struct dc_bios *dcb,
1043 	struct bp_pixel_clock_parameters *bp_params)
1044 {
1045 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1046 
1047 	if (!bp->cmd_tbl.set_pixel_clock)
1048 		return BP_RESULT_FAILURE;
1049 
1050 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1051 }
1052 
1053 static enum bp_result bios_parser_set_dce_clock(
1054 	struct dc_bios *dcb,
1055 	struct bp_set_dce_clock_parameters *bp_params)
1056 {
1057 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1058 
1059 	if (!bp->cmd_tbl.set_dce_clock)
1060 		return BP_RESULT_FAILURE;
1061 
1062 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1063 }
1064 
1065 static enum bp_result bios_parser_program_crtc_timing(
1066 	struct dc_bios *dcb,
1067 	struct bp_hw_crtc_timing_parameters *bp_params)
1068 {
1069 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1070 
1071 	if (!bp->cmd_tbl.set_crtc_timing)
1072 		return BP_RESULT_FAILURE;
1073 
1074 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1075 }
1076 
1077 static enum bp_result bios_parser_enable_crtc(
1078 	struct dc_bios *dcb,
1079 	enum controller_id id,
1080 	bool enable)
1081 {
1082 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1083 
1084 	if (!bp->cmd_tbl.enable_crtc)
1085 		return BP_RESULT_FAILURE;
1086 
1087 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1088 }
1089 
1090 static enum bp_result bios_parser_enable_disp_power_gating(
1091 	struct dc_bios *dcb,
1092 	enum controller_id controller_id,
1093 	enum bp_pipe_control_action action)
1094 {
1095 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1096 
1097 	if (!bp->cmd_tbl.enable_disp_power_gating)
1098 		return BP_RESULT_FAILURE;
1099 
1100 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1101 		action);
1102 }
1103 
1104 static bool bios_parser_is_accelerated_mode(
1105 	struct dc_bios *dcb)
1106 {
1107 	return bios_is_accelerated_mode(dcb);
1108 }
1109 
1110 /**
1111  * bios_parser_set_scratch_critical_state
1112  *
1113  * @brief
1114  *  update critical state bit in VBIOS scratch register
1115  *
1116  * @param
1117  *  bool - to set or reset state
1118  */
1119 static void bios_parser_set_scratch_critical_state(
1120 	struct dc_bios *dcb,
1121 	bool state)
1122 {
1123 	bios_set_scratch_critical_state(dcb, state);
1124 }
1125 
1126 static enum bp_result bios_parser_get_firmware_info(
1127 	struct dc_bios *dcb,
1128 	struct dc_firmware_info *info)
1129 {
1130 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1131 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1132 	struct atom_common_table_header *header;
1133 
1134 	struct atom_data_revision revision;
1135 
1136 	if (info && DATA_TABLES(firmwareinfo)) {
1137 		header = GET_IMAGE(struct atom_common_table_header,
1138 				DATA_TABLES(firmwareinfo));
1139 		get_atom_data_table_revision(header, &revision);
1140 		switch (revision.major) {
1141 		case 3:
1142 			switch (revision.minor) {
1143 			case 1:
1144 				result = get_firmware_info_v3_1(bp, info);
1145 				break;
1146 			case 2:
1147 				result = get_firmware_info_v3_2(bp, info);
1148 				break;
1149 			case 3:
1150 				result = get_firmware_info_v3_2(bp, info);
1151 				break;
1152 			default:
1153 				break;
1154 			}
1155 			break;
1156 		default:
1157 			break;
1158 		}
1159 	}
1160 
1161 	return result;
1162 }
1163 
1164 static enum bp_result get_firmware_info_v3_1(
1165 	struct bios_parser *bp,
1166 	struct dc_firmware_info *info)
1167 {
1168 	struct atom_firmware_info_v3_1 *firmware_info;
1169 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1170 
1171 	if (!info)
1172 		return BP_RESULT_BADINPUT;
1173 
1174 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1175 			DATA_TABLES(firmwareinfo));
1176 
1177 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1178 			DATA_TABLES(dce_info));
1179 
1180 	if (!firmware_info || !dce_info)
1181 		return BP_RESULT_BADBIOSTABLE;
1182 
1183 	memset(info, 0, sizeof(*info));
1184 
1185 	/* Pixel clock pll information. */
1186 	 /* We need to convert from 10KHz units into KHz units */
1187 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1188 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1189 
1190 	 /* 27MHz for Vega10: */
1191 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1192 
1193 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1194 	if (info->pll_info.crystal_frequency == 0)
1195 		info->pll_info.crystal_frequency = 27000;
1196 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1197 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1198 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1199 
1200 	/* Get GPU PLL VCO Clock */
1201 
1202 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1203 		/* VBIOS gives in 10KHz */
1204 		info->smu_gpu_pll_output_freq =
1205 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1206 	}
1207 
1208 	return BP_RESULT_OK;
1209 }
1210 
1211 static enum bp_result get_firmware_info_v3_2(
1212 	struct bios_parser *bp,
1213 	struct dc_firmware_info *info)
1214 {
1215 	struct atom_firmware_info_v3_2 *firmware_info;
1216 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1217 	struct atom_common_table_header *header;
1218 	struct atom_data_revision revision;
1219 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1220 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1221 
1222 	if (!info)
1223 		return BP_RESULT_BADINPUT;
1224 
1225 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1226 			DATA_TABLES(firmwareinfo));
1227 
1228 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1229 			DATA_TABLES(dce_info));
1230 
1231 	if (!firmware_info || !dce_info)
1232 		return BP_RESULT_BADBIOSTABLE;
1233 
1234 	memset(info, 0, sizeof(*info));
1235 
1236 	header = GET_IMAGE(struct atom_common_table_header,
1237 					DATA_TABLES(smu_info));
1238 	get_atom_data_table_revision(header, &revision);
1239 
1240 	if (revision.minor == 2) {
1241 		/* Vega12 */
1242 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1243 							DATA_TABLES(smu_info));
1244 
1245 		if (!smu_info_v3_2)
1246 			return BP_RESULT_BADBIOSTABLE;
1247 
1248 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1249 	} else if (revision.minor == 3) {
1250 		/* Vega20 */
1251 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1252 							DATA_TABLES(smu_info));
1253 
1254 		if (!smu_info_v3_3)
1255 			return BP_RESULT_BADBIOSTABLE;
1256 
1257 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1258 	}
1259 
1260 	 // We need to convert from 10KHz units into KHz units.
1261 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1262 
1263 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1264 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1265 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1266 	if (info->pll_info.crystal_frequency == 0) {
1267 		if (revision.minor == 2)
1268 			info->pll_info.crystal_frequency = 27000;
1269 		else if (revision.minor == 3)
1270 			info->pll_info.crystal_frequency = 100000;
1271 	}
1272 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1273 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1274 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1275 
1276 	/* Get GPU PLL VCO Clock */
1277 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1278 		if (revision.minor == 2)
1279 			info->smu_gpu_pll_output_freq =
1280 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1281 		else if (revision.minor == 3)
1282 			info->smu_gpu_pll_output_freq =
1283 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1284 	}
1285 
1286 	return BP_RESULT_OK;
1287 }
1288 
1289 static enum bp_result bios_parser_get_encoder_cap_info(
1290 	struct dc_bios *dcb,
1291 	struct graphics_object_id object_id,
1292 	struct bp_encoder_cap_info *info)
1293 {
1294 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1295 	struct atom_display_object_path_v2 *object;
1296 	struct atom_encoder_caps_record *record = NULL;
1297 
1298 	if (!info)
1299 		return BP_RESULT_BADINPUT;
1300 
1301 	object = get_bios_object(bp, object_id);
1302 
1303 	if (!object)
1304 		return BP_RESULT_BADINPUT;
1305 
1306 	record = get_encoder_cap_record(bp, object);
1307 	if (!record)
1308 		return BP_RESULT_NORECORD;
1309 
1310 	info->DP_HBR2_CAP = (record->encodercaps &
1311 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1312 	info->DP_HBR2_EN = (record->encodercaps &
1313 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1314 	info->DP_HBR3_EN = (record->encodercaps &
1315 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1316 	info->HDMI_6GB_EN = (record->encodercaps &
1317 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1318 	info->DP_IS_USB_C = (record->encodercaps &
1319 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
1320 
1321 	return BP_RESULT_OK;
1322 }
1323 
1324 
1325 static struct atom_encoder_caps_record *get_encoder_cap_record(
1326 	struct bios_parser *bp,
1327 	struct atom_display_object_path_v2 *object)
1328 {
1329 	struct atom_common_record_header *header;
1330 	uint32_t offset;
1331 
1332 	if (!object) {
1333 		BREAK_TO_DEBUGGER(); /* Invalid object */
1334 		return NULL;
1335 	}
1336 
1337 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1338 
1339 	for (;;) {
1340 		header = GET_IMAGE(struct atom_common_record_header, offset);
1341 
1342 		if (!header)
1343 			return NULL;
1344 
1345 		offset += header->record_size;
1346 
1347 		if (header->record_type == LAST_RECORD_TYPE ||
1348 				!header->record_size)
1349 			break;
1350 
1351 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1352 			continue;
1353 
1354 		if (sizeof(struct atom_encoder_caps_record) <=
1355 							header->record_size)
1356 			return (struct atom_encoder_caps_record *)header;
1357 	}
1358 
1359 	return NULL;
1360 }
1361 
1362 /*
1363  * get_integrated_info_v11
1364  *
1365  * @brief
1366  * Get V8 integrated BIOS information
1367  *
1368  * @param
1369  * bios_parser *bp - [in]BIOS parser handler to get master data table
1370  * integrated_info *info - [out] store and output integrated info
1371  *
1372  * @return
1373  * enum bp_result - BP_RESULT_OK if information is available,
1374  *                  BP_RESULT_BADBIOSTABLE otherwise.
1375  */
1376 static enum bp_result get_integrated_info_v11(
1377 	struct bios_parser *bp,
1378 	struct integrated_info *info)
1379 {
1380 	struct atom_integrated_system_info_v1_11 *info_v11;
1381 	uint32_t i;
1382 
1383 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1384 					DATA_TABLES(integratedsysteminfo));
1385 
1386 	if (info_v11 == NULL)
1387 		return BP_RESULT_BADBIOSTABLE;
1388 
1389 	info->gpu_cap_info =
1390 	le32_to_cpu(info_v11->gpucapinfo);
1391 	/*
1392 	* system_config: Bit[0] = 0 : PCIE power gating disabled
1393 	*                       = 1 : PCIE power gating enabled
1394 	*                Bit[1] = 0 : DDR-PLL shut down disabled
1395 	*                       = 1 : DDR-PLL shut down enabled
1396 	*                Bit[2] = 0 : DDR-PLL power down disabled
1397 	*                       = 1 : DDR-PLL power down enabled
1398 	*/
1399 	info->system_config = le32_to_cpu(info_v11->system_config);
1400 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1401 	info->memory_type = info_v11->memorytype;
1402 	info->ma_channel_number = info_v11->umachannelnumber;
1403 	info->lvds_ss_percentage =
1404 	le16_to_cpu(info_v11->lvds_ss_percentage);
1405 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
1406 	info->dp_ss_control =
1407 	le16_to_cpu(info_v11->reserved1);
1408 #endif
1409 	info->lvds_sspread_rate_in_10hz =
1410 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1411 	info->hdmi_ss_percentage =
1412 	le16_to_cpu(info_v11->hdmi_ss_percentage);
1413 	info->hdmi_sspread_rate_in_10hz =
1414 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1415 	info->dvi_ss_percentage =
1416 	le16_to_cpu(info_v11->dvi_ss_percentage);
1417 	info->dvi_sspread_rate_in_10_hz =
1418 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1419 	info->lvds_misc = info_v11->lvds_misc;
1420 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1421 		info->ext_disp_conn_info.gu_id[i] =
1422 				info_v11->extdispconninfo.guid[i];
1423 	}
1424 
1425 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1426 		info->ext_disp_conn_info.path[i].device_connector_id =
1427 		object_id_from_bios_object_id(
1428 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1429 
1430 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1431 		object_id_from_bios_object_id(
1432 			le16_to_cpu(
1433 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
1434 
1435 		info->ext_disp_conn_info.path[i].device_tag =
1436 			le16_to_cpu(
1437 				info_v11->extdispconninfo.path[i].device_tag);
1438 		info->ext_disp_conn_info.path[i].device_acpi_enum =
1439 		le16_to_cpu(
1440 			info_v11->extdispconninfo.path[i].device_acpi_enum);
1441 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1442 			info_v11->extdispconninfo.path[i].auxddclut_index;
1443 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1444 			info_v11->extdispconninfo.path[i].hpdlut_index;
1445 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
1446 			info_v11->extdispconninfo.path[i].channelmapping;
1447 		info->ext_disp_conn_info.path[i].caps =
1448 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1449 	}
1450 	info->ext_disp_conn_info.checksum =
1451 	info_v11->extdispconninfo.checksum;
1452 
1453 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1454 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1455 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1456 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1457 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1458 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1459 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1460 	}
1461 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1462 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1463 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1464 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1465 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1466 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1467 	}
1468 
1469 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1470 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1471 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1472 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1473 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1474 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1475 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1476 	}
1477 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1478 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1479 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1480 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1481 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1482 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1483 	}
1484 
1485 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1486 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1487 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1488 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1489 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1490 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1491 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1492 	}
1493 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1494 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1495 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1496 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1497 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1498 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1499 	}
1500 
1501 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1502 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1503 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1504 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1505 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1506 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1507 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1508 	}
1509 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1510 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1511 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1512 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1513 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1514 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1515 	}
1516 
1517 
1518 	/** TODO - review **/
1519 	#if 0
1520 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1521 									* 10;
1522 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1523 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1524 
1525 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1526 		/* Convert [10KHz] into [KHz] */
1527 		info->disp_clk_voltage[i].max_supported_clk =
1528 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1529 			ulMaximumSupportedCLK) * 10;
1530 		info->disp_clk_voltage[i].voltage_index =
1531 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1532 	}
1533 
1534 	info->boot_up_req_display_vector =
1535 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1536 	info->boot_up_nb_voltage =
1537 			le16_to_cpu(info_v11->usBootUpNBVoltage);
1538 	info->ext_disp_conn_info_offset =
1539 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1540 	info->gmc_restore_reset_time =
1541 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1542 	info->minimum_n_clk =
1543 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1544 	for (i = 1; i < 4; ++i)
1545 		info->minimum_n_clk =
1546 				info->minimum_n_clk <
1547 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1548 				info->minimum_n_clk : le32_to_cpu(
1549 					info_v11->ulNbpStateNClkFreq[i]);
1550 
1551 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1552 	info->ddr_dll_power_up_time =
1553 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1554 	info->ddr_pll_power_up_time =
1555 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1556 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1557 	info->max_lvds_pclk_freq_in_single_link =
1558 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1559 	info->max_lvds_pclk_freq_in_single_link =
1560 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1561 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1562 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1563 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1564 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1565 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1566 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1567 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1568 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1569 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1570 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1571 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1572 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1573 	info->lvds_off_to_on_delay_in_4ms =
1574 		info_v11->ucLVDSOffToOnDelay_in4Ms;
1575 	info->lvds_bit_depth_control_val =
1576 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1577 
1578 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1579 		/* Convert [10KHz] into [KHz] */
1580 		info->avail_s_clk[i].supported_s_clk =
1581 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1582 									* 10;
1583 		info->avail_s_clk[i].voltage_index =
1584 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1585 		info->avail_s_clk[i].voltage_id =
1586 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1587 	}
1588 	#endif /* TODO*/
1589 
1590 	return BP_RESULT_OK;
1591 }
1592 
1593 
1594 /*
1595  * construct_integrated_info
1596  *
1597  * @brief
1598  * Get integrated BIOS information based on table revision
1599  *
1600  * @param
1601  * bios_parser *bp - [in]BIOS parser handler to get master data table
1602  * integrated_info *info - [out] store and output integrated info
1603  *
1604  * @return
1605  * enum bp_result - BP_RESULT_OK if information is available,
1606  *                  BP_RESULT_BADBIOSTABLE otherwise.
1607  */
1608 static enum bp_result construct_integrated_info(
1609 	struct bios_parser *bp,
1610 	struct integrated_info *info)
1611 {
1612 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1613 
1614 	struct atom_common_table_header *header;
1615 	struct atom_data_revision revision;
1616 
1617 	struct clock_voltage_caps temp = {0, 0};
1618 	uint32_t i;
1619 	uint32_t j;
1620 
1621 	if (info && DATA_TABLES(integratedsysteminfo)) {
1622 		header = GET_IMAGE(struct atom_common_table_header,
1623 					DATA_TABLES(integratedsysteminfo));
1624 
1625 		get_atom_data_table_revision(header, &revision);
1626 
1627 		/* Don't need to check major revision as they are all 1 */
1628 		switch (revision.minor) {
1629 		case 11:
1630 			result = get_integrated_info_v11(bp, info);
1631 			break;
1632 		default:
1633 			return result;
1634 		}
1635 	}
1636 
1637 	if (result != BP_RESULT_OK)
1638 		return result;
1639 
1640 	/* Sort voltage table from low to high*/
1641 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1642 		for (j = i; j > 0; --j) {
1643 			if (info->disp_clk_voltage[j].max_supported_clk <
1644 				info->disp_clk_voltage[j-1].max_supported_clk
1645 				) {
1646 				/* swap j and j - 1*/
1647 				temp = info->disp_clk_voltage[j-1];
1648 				info->disp_clk_voltage[j-1] =
1649 					info->disp_clk_voltage[j];
1650 				info->disp_clk_voltage[j] = temp;
1651 			}
1652 		}
1653 	}
1654 
1655 	return result;
1656 }
1657 
1658 static struct integrated_info *bios_parser_create_integrated_info(
1659 	struct dc_bios *dcb)
1660 {
1661 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1662 	struct integrated_info *info = NULL;
1663 
1664 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
1665 
1666 	if (info == NULL) {
1667 		ASSERT_CRITICAL(0);
1668 		return NULL;
1669 	}
1670 
1671 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
1672 		return info;
1673 
1674 	kfree(info);
1675 
1676 	return NULL;
1677 }
1678 
1679 static enum bp_result update_slot_layout_info(
1680 	struct dc_bios *dcb,
1681 	unsigned int i,
1682 	struct slot_layout_info *slot_layout_info)
1683 {
1684 	unsigned int record_offset;
1685 	unsigned int j;
1686 	struct atom_display_object_path_v2 *object;
1687 	struct atom_bracket_layout_record *record;
1688 	struct atom_common_record_header *record_header;
1689 	enum bp_result result;
1690 	struct bios_parser *bp;
1691 	struct object_info_table *tbl;
1692 	struct display_object_info_table_v1_4 *v1_4;
1693 
1694 	record = NULL;
1695 	record_header = NULL;
1696 	result = BP_RESULT_NORECORD;
1697 
1698 	bp = BP_FROM_DCB(dcb);
1699 	tbl = &bp->object_info_tbl;
1700 	v1_4 = tbl->v1_4;
1701 
1702 	object = &v1_4->display_path[i];
1703 	record_offset = (unsigned int)
1704 		(object->disp_recordoffset) +
1705 		(unsigned int)(bp->object_info_tbl_offset);
1706 
1707 	for (;;) {
1708 
1709 		record_header = (struct atom_common_record_header *)
1710 			GET_IMAGE(struct atom_common_record_header,
1711 			record_offset);
1712 		if (record_header == NULL) {
1713 			result = BP_RESULT_BADBIOSTABLE;
1714 			break;
1715 		}
1716 
1717 		/* the end of the list */
1718 		if (record_header->record_type == 0xff ||
1719 			record_header->record_size == 0)	{
1720 			break;
1721 		}
1722 
1723 		if (record_header->record_type ==
1724 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
1725 			sizeof(struct atom_bracket_layout_record)
1726 			<= record_header->record_size) {
1727 			record = (struct atom_bracket_layout_record *)
1728 				(record_header);
1729 			result = BP_RESULT_OK;
1730 			break;
1731 		}
1732 
1733 		record_offset += record_header->record_size;
1734 	}
1735 
1736 	/* return if the record not found */
1737 	if (result != BP_RESULT_OK)
1738 		return result;
1739 
1740 	/* get slot sizes */
1741 	slot_layout_info->length = record->bracketlen;
1742 	slot_layout_info->width = record->bracketwidth;
1743 
1744 	/* get info for each connector in the slot */
1745 	slot_layout_info->num_of_connectors = record->conn_num;
1746 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
1747 		slot_layout_info->connectors[j].connector_type =
1748 			(enum connector_layout_type)
1749 			(record->conn_info[j].connector_type);
1750 		switch (record->conn_info[j].connector_type) {
1751 		case CONNECTOR_TYPE_DVI_D:
1752 			slot_layout_info->connectors[j].connector_type =
1753 				CONNECTOR_LAYOUT_TYPE_DVI_D;
1754 			slot_layout_info->connectors[j].length =
1755 				CONNECTOR_SIZE_DVI;
1756 			break;
1757 
1758 		case CONNECTOR_TYPE_HDMI:
1759 			slot_layout_info->connectors[j].connector_type =
1760 				CONNECTOR_LAYOUT_TYPE_HDMI;
1761 			slot_layout_info->connectors[j].length =
1762 				CONNECTOR_SIZE_HDMI;
1763 			break;
1764 
1765 		case CONNECTOR_TYPE_DISPLAY_PORT:
1766 			slot_layout_info->connectors[j].connector_type =
1767 				CONNECTOR_LAYOUT_TYPE_DP;
1768 			slot_layout_info->connectors[j].length =
1769 				CONNECTOR_SIZE_DP;
1770 			break;
1771 
1772 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
1773 			slot_layout_info->connectors[j].connector_type =
1774 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
1775 			slot_layout_info->connectors[j].length =
1776 				CONNECTOR_SIZE_MINI_DP;
1777 			break;
1778 
1779 		default:
1780 			slot_layout_info->connectors[j].connector_type =
1781 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
1782 			slot_layout_info->connectors[j].length =
1783 				CONNECTOR_SIZE_UNKNOWN;
1784 		}
1785 
1786 		slot_layout_info->connectors[j].position =
1787 			record->conn_info[j].position;
1788 		slot_layout_info->connectors[j].connector_id =
1789 			object_id_from_bios_object_id(
1790 				record->conn_info[j].connectorobjid);
1791 	}
1792 	return result;
1793 }
1794 
1795 
1796 static enum bp_result get_bracket_layout_record(
1797 	struct dc_bios *dcb,
1798 	unsigned int bracket_layout_id,
1799 	struct slot_layout_info *slot_layout_info)
1800 {
1801 	unsigned int i;
1802 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1803 	enum bp_result result;
1804 	struct object_info_table *tbl;
1805 	struct display_object_info_table_v1_4 *v1_4;
1806 
1807 	if (slot_layout_info == NULL) {
1808 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
1809 		return BP_RESULT_BADINPUT;
1810 	}
1811 	tbl = &bp->object_info_tbl;
1812 	v1_4 = tbl->v1_4;
1813 
1814 	result = BP_RESULT_NORECORD;
1815 	for (i = 0; i < v1_4->number_of_path; ++i)	{
1816 
1817 		if (bracket_layout_id ==
1818 			v1_4->display_path[i].display_objid) {
1819 			result = update_slot_layout_info(dcb, i,
1820 				slot_layout_info);
1821 			break;
1822 		}
1823 	}
1824 	return result;
1825 }
1826 
1827 static enum bp_result bios_get_board_layout_info(
1828 	struct dc_bios *dcb,
1829 	struct board_layout_info *board_layout_info)
1830 {
1831 	unsigned int i;
1832 	struct bios_parser *bp;
1833 	enum bp_result record_result;
1834 
1835 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
1836 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
1837 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
1838 		0, 0
1839 	};
1840 
1841 	bp = BP_FROM_DCB(dcb);
1842 	if (board_layout_info == NULL) {
1843 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
1844 		return BP_RESULT_BADINPUT;
1845 	}
1846 
1847 	board_layout_info->num_of_slots = 0;
1848 
1849 	for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
1850 		record_result = get_bracket_layout_record(dcb,
1851 			slot_index_to_vbios_id[i],
1852 			&board_layout_info->slots[i]);
1853 
1854 		if (record_result == BP_RESULT_NORECORD && i > 0)
1855 			break; /* no more slots present in bios */
1856 		else if (record_result != BP_RESULT_OK)
1857 			return record_result;  /* fail */
1858 
1859 		++board_layout_info->num_of_slots;
1860 	}
1861 
1862 	/* all data is valid */
1863 	board_layout_info->is_number_of_slots_valid = 1;
1864 	board_layout_info->is_slots_size_valid = 1;
1865 	board_layout_info->is_connector_offsets_valid = 1;
1866 	board_layout_info->is_connector_lengths_valid = 1;
1867 
1868 	return BP_RESULT_OK;
1869 }
1870 
1871 static const struct dc_vbios_funcs vbios_funcs = {
1872 	.get_connectors_number = bios_parser_get_connectors_number,
1873 
1874 	.get_connector_id = bios_parser_get_connector_id,
1875 
1876 	.get_src_obj = bios_parser_get_src_obj,
1877 
1878 	.get_i2c_info = bios_parser_get_i2c_info,
1879 
1880 	.get_hpd_info = bios_parser_get_hpd_info,
1881 
1882 	.get_device_tag = bios_parser_get_device_tag,
1883 
1884 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
1885 
1886 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
1887 
1888 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
1889 
1890 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
1891 
1892 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
1893 
1894 	.is_device_id_supported = bios_parser_is_device_id_supported,
1895 
1896 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
1897 
1898 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
1899 
1900 
1901 /*	 COMMANDS */
1902 	.encoder_control = bios_parser_encoder_control,
1903 
1904 	.transmitter_control = bios_parser_transmitter_control,
1905 
1906 	.enable_crtc = bios_parser_enable_crtc,
1907 
1908 	.set_pixel_clock = bios_parser_set_pixel_clock,
1909 
1910 	.set_dce_clock = bios_parser_set_dce_clock,
1911 
1912 	.program_crtc_timing = bios_parser_program_crtc_timing,
1913 
1914 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
1915 
1916 	.bios_parser_destroy = firmware_parser_destroy,
1917 
1918 	.get_board_layout_info = bios_get_board_layout_info,
1919 };
1920 
1921 static bool bios_parser_construct(
1922 	struct bios_parser *bp,
1923 	struct bp_init_data *init,
1924 	enum dce_version dce_version)
1925 {
1926 	uint16_t *rom_header_offset = NULL;
1927 	struct atom_rom_header_v2_2 *rom_header = NULL;
1928 	struct display_object_info_table_v1_4 *object_info_tbl;
1929 	struct atom_data_revision tbl_rev = {0};
1930 
1931 	if (!init)
1932 		return false;
1933 
1934 	if (!init->bios)
1935 		return false;
1936 
1937 	bp->base.funcs = &vbios_funcs;
1938 	bp->base.bios = init->bios;
1939 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
1940 
1941 	bp->base.ctx = init->ctx;
1942 
1943 	bp->base.bios_local_image = NULL;
1944 
1945 	rom_header_offset =
1946 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
1947 
1948 	if (!rom_header_offset)
1949 		return false;
1950 
1951 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
1952 
1953 	if (!rom_header)
1954 		return false;
1955 
1956 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
1957 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
1958 		return false;
1959 
1960 	bp->master_data_tbl =
1961 		GET_IMAGE(struct atom_master_data_table_v2_1,
1962 				rom_header->masterdatatable_offset);
1963 
1964 	if (!bp->master_data_tbl)
1965 		return false;
1966 
1967 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
1968 
1969 	if (!bp->object_info_tbl_offset)
1970 		return false;
1971 
1972 	object_info_tbl =
1973 			GET_IMAGE(struct display_object_info_table_v1_4,
1974 						bp->object_info_tbl_offset);
1975 
1976 	if (!object_info_tbl)
1977 		return false;
1978 
1979 	get_atom_data_table_revision(&object_info_tbl->table_header,
1980 		&bp->object_info_tbl.revision);
1981 
1982 	if (bp->object_info_tbl.revision.major == 1
1983 		&& bp->object_info_tbl.revision.minor >= 4) {
1984 		struct display_object_info_table_v1_4 *tbl_v1_4;
1985 
1986 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
1987 			bp->object_info_tbl_offset);
1988 		if (!tbl_v1_4)
1989 			return false;
1990 
1991 		bp->object_info_tbl.v1_4 = tbl_v1_4;
1992 	} else
1993 		return false;
1994 
1995 	dal_firmware_parser_init_cmd_tbl(bp);
1996 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
1997 
1998 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
1999 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
2000 
2001 	return true;
2002 }
2003 
2004 struct dc_bios *firmware_parser_create(
2005 	struct bp_init_data *init,
2006 	enum dce_version dce_version)
2007 {
2008 	struct bios_parser *bp = NULL;
2009 
2010 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2011 	if (!bp)
2012 		return NULL;
2013 
2014 	if (bios_parser_construct(bp, init, dce_version))
2015 		return &bp->base;
2016 
2017 	kfree(bp);
2018 	return NULL;
2019 }
2020 
2021 
2022