xref: /linux/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c (revision 8e65320d91cdc3b241d4b94855c88459b91abf66)
1 /*
2  * Copyright 2012-15 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #include "dm_services.h"
27 #include "core_types.h"
28 
29 #include "ObjectID.h"
30 #include "atomfirmware.h"
31 
32 #include "dc_bios_types.h"
33 #include "include/grph_object_ctrl_defs.h"
34 #include "include/bios_parser_interface.h"
35 #include "include/logger_interface.h"
36 
37 #include "command_table2.h"
38 
39 #include "bios_parser_helper.h"
40 #include "command_table_helper2.h"
41 #include "bios_parser2.h"
42 #include "bios_parser_types_internal2.h"
43 #include "bios_parser_interface.h"
44 
45 #include "bios_parser_common.h"
46 
47 #define DC_LOGGER \
48 	bp->base.ctx->logger
49 
50 #define LAST_RECORD_TYPE 0xff
51 #define SMU9_SYSPLL0_ID  0
52 
53 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
54 	struct atom_i2c_record *record,
55 	struct graphics_object_i2c_info *info);
56 
57 static enum bp_result bios_parser_get_firmware_info(
58 	struct dc_bios *dcb,
59 	struct dc_firmware_info *info);
60 
61 static enum bp_result bios_parser_get_encoder_cap_info(
62 	struct dc_bios *dcb,
63 	struct graphics_object_id object_id,
64 	struct bp_encoder_cap_info *info);
65 
66 static enum bp_result get_firmware_info_v3_1(
67 	struct bios_parser *bp,
68 	struct dc_firmware_info *info);
69 
70 static enum bp_result get_firmware_info_v3_2(
71 	struct bios_parser *bp,
72 	struct dc_firmware_info *info);
73 
74 static enum bp_result get_firmware_info_v3_4(
75 	struct bios_parser *bp,
76 	struct dc_firmware_info *info);
77 
78 static enum bp_result get_firmware_info_v3_5(
79 	struct bios_parser *bp,
80 	struct dc_firmware_info *info);
81 
82 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
83 		struct atom_display_object_path_v2 *object);
84 
85 static struct atom_encoder_caps_record *get_encoder_cap_record(
86 	struct bios_parser *bp,
87 	struct atom_display_object_path_v2 *object);
88 
89 #define BIOS_IMAGE_SIZE_OFFSET 2
90 #define BIOS_IMAGE_SIZE_UNIT 512
91 
92 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
93 
bios_parser2_destruct(struct bios_parser * bp)94 static void bios_parser2_destruct(struct bios_parser *bp)
95 {
96 	kfree(bp->base.bios_local_image);
97 	kfree(bp->base.integrated_info);
98 }
99 
firmware_parser_destroy(struct dc_bios ** dcb)100 static void firmware_parser_destroy(struct dc_bios **dcb)
101 {
102 	struct bios_parser *bp = BP_FROM_DCB(*dcb);
103 
104 	if (!bp) {
105 		BREAK_TO_DEBUGGER();
106 		return;
107 	}
108 
109 	bios_parser2_destruct(bp);
110 
111 	kfree(bp);
112 	*dcb = NULL;
113 }
114 
get_atom_data_table_revision(struct atom_common_table_header * atom_data_tbl,struct atom_data_revision * tbl_revision)115 static void get_atom_data_table_revision(
116 	struct atom_common_table_header *atom_data_tbl,
117 	struct atom_data_revision *tbl_revision)
118 {
119 	if (!tbl_revision)
120 		return;
121 
122 	/* initialize the revision to 0 which is invalid revision */
123 	tbl_revision->major = 0;
124 	tbl_revision->minor = 0;
125 
126 	if (!atom_data_tbl)
127 		return;
128 
129 	tbl_revision->major =
130 			(uint32_t) atom_data_tbl->format_revision & 0x3f;
131 	tbl_revision->minor =
132 			(uint32_t) atom_data_tbl->content_revision & 0x3f;
133 }
134 
135 /* BIOS oject table displaypath is per connector.
136  * There is extra path not for connector. BIOS fill its encoderid as 0
137  */
bios_parser_get_connectors_number(struct dc_bios * dcb)138 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
139 {
140 	struct bios_parser *bp = BP_FROM_DCB(dcb);
141 	unsigned int count = 0;
142 	unsigned int i;
143 
144 	switch (bp->object_info_tbl.revision.minor) {
145 	default:
146 	case 4:
147 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++)
148 			if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
149 				count++;
150 
151 		break;
152 
153 	case 5:
154 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++)
155 			if (bp->object_info_tbl.v1_5->display_path[i].encoderobjid != 0)
156 				count++;
157 
158 		break;
159 	}
160 	return count;
161 }
162 
bios_parser_get_connector_id(struct dc_bios * dcb,uint8_t i)163 static struct graphics_object_id bios_parser_get_connector_id(
164 	struct dc_bios *dcb,
165 	uint8_t i)
166 {
167 	struct bios_parser *bp = BP_FROM_DCB(dcb);
168 	struct graphics_object_id object_id = dal_graphics_object_id_init(
169 		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
170 	struct object_info_table *tbl = &bp->object_info_tbl;
171 	struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
172 
173 	struct display_object_info_table_v1_5 *v1_5 = tbl->v1_5;
174 
175 	switch (bp->object_info_tbl.revision.minor) {
176 	default:
177 	case 4:
178 		if (v1_4->number_of_path > i) {
179 			/* If display_objid is generic object id,  the encoderObj
180 			 * /extencoderobjId should be 0
181 			 */
182 			if (v1_4->display_path[i].encoderobjid != 0 &&
183 			    v1_4->display_path[i].display_objid != 0)
184 				object_id = object_id_from_bios_object_id(
185 					v1_4->display_path[i].display_objid);
186 		}
187 		break;
188 
189 	case 5:
190 		if (v1_5->number_of_path > i) {
191 			/* If display_objid is generic object id,  the encoderObjId
192 		 * should be 0
193 		 */
194 			if (v1_5->display_path[i].encoderobjid != 0 &&
195 			    v1_5->display_path[i].display_objid != 0)
196 				object_id = object_id_from_bios_object_id(
197 					v1_5->display_path[i].display_objid);
198 		}
199 		break;
200 	}
201 	return object_id;
202 }
203 
bios_parser_get_src_obj(struct dc_bios * dcb,struct graphics_object_id object_id,uint32_t index,struct graphics_object_id * src_object_id)204 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
205 	struct graphics_object_id object_id, uint32_t index,
206 	struct graphics_object_id *src_object_id)
207 {
208 	(void)index;
209 	struct bios_parser *bp = BP_FROM_DCB(dcb);
210 	unsigned int i;
211 	enum bp_result bp_result = BP_RESULT_BADINPUT;
212 	struct graphics_object_id obj_id = { 0 };
213 	struct object_info_table *tbl = &bp->object_info_tbl;
214 
215 	if (!src_object_id)
216 		return bp_result;
217 
218 	switch (object_id.type) {
219 	/* Encoder's Source is GPU.  BIOS does not provide GPU, since all
220 	 * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
221 	 */
222 	case OBJECT_TYPE_ENCODER:
223 		/* TODO: since num of src must be less than 2.
224 		 * If found in for loop, should break.
225 		 * DAL2 implementation may be changed too
226 		 */
227 		switch (bp->object_info_tbl.revision.minor) {
228 		default:
229 		case 4:
230 			for (i = 0; i < tbl->v1_4->number_of_path; i++) {
231 				obj_id = object_id_from_bios_object_id(
232 					tbl->v1_4->display_path[i].encoderobjid);
233 				if (object_id.type == obj_id.type &&
234 				    object_id.id == obj_id.id &&
235 				    object_id.enum_id == obj_id.enum_id) {
236 					*src_object_id =
237 						object_id_from_bios_object_id(
238 							0x1100);
239 					/* break; */
240 				}
241 			}
242 			bp_result = BP_RESULT_OK;
243 			break;
244 
245 		case 5:
246 			for (i = 0; i < tbl->v1_5->number_of_path; i++) {
247 				obj_id = object_id_from_bios_object_id(
248 					tbl->v1_5->display_path[i].encoderobjid);
249 				if (object_id.type == obj_id.type &&
250 				    object_id.id == obj_id.id &&
251 				    object_id.enum_id == obj_id.enum_id) {
252 					*src_object_id =
253 						object_id_from_bios_object_id(
254 							0x1100);
255 					/* break; */
256 				}
257 			}
258 			bp_result = BP_RESULT_OK;
259 			break;
260 		}
261 		break;
262 	case OBJECT_TYPE_CONNECTOR:
263 		switch (bp->object_info_tbl.revision.minor) {
264 		default:
265 		case 4:
266 			for (i = 0; i < tbl->v1_4->number_of_path; i++) {
267 				obj_id = object_id_from_bios_object_id(
268 					tbl->v1_4->display_path[i]
269 						.display_objid);
270 
271 				if (object_id.type == obj_id.type &&
272 				    object_id.id == obj_id.id &&
273 				    object_id.enum_id == obj_id.enum_id) {
274 					*src_object_id =
275 						object_id_from_bios_object_id(
276 							tbl->v1_4
277 								->display_path[i]
278 								.encoderobjid);
279 					/* break; */
280 				}
281 			}
282 			bp_result = BP_RESULT_OK;
283 			break;
284 		}
285 		bp_result = BP_RESULT_OK;
286 		break;
287 		case 5:
288 			for (i = 0; i < tbl->v1_5->number_of_path; i++) {
289 				obj_id = object_id_from_bios_object_id(
290 								       tbl->v1_5->display_path[i].display_objid);
291 
292 				if (object_id.type == obj_id.type &&
293 				    object_id.id == obj_id.id &&
294 				    object_id.enum_id == obj_id.enum_id) {
295 					*src_object_id = object_id_from_bios_object_id(
296 										       tbl->v1_5->display_path[i].encoderobjid);
297 					/* break; */
298 				}
299 			}
300 		bp_result = BP_RESULT_OK;
301 		break;
302 
303 	default:
304 		bp_result = BP_RESULT_OK;
305 		break;
306 	}
307 
308 	return bp_result;
309 }
310 
311 /* from graphics_object_id, find display path which includes the object_id */
get_bios_object(struct bios_parser * bp,struct graphics_object_id id)312 static struct atom_display_object_path_v2 *get_bios_object(
313 		struct bios_parser *bp,
314 		struct graphics_object_id id)
315 {
316 	unsigned int i;
317 	struct graphics_object_id obj_id = {0};
318 
319 	switch (id.type) {
320 	case OBJECT_TYPE_ENCODER:
321 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
322 			obj_id = object_id_from_bios_object_id(
323 					bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
324 			if (id.type == obj_id.type && id.id == obj_id.id
325 					&& id.enum_id == obj_id.enum_id)
326 				return &bp->object_info_tbl.v1_4->display_path[i];
327 		}
328 		fallthrough;
329 	case OBJECT_TYPE_CONNECTOR:
330 	case OBJECT_TYPE_GENERIC:
331 		/* Both Generic and Connector Object ID
332 		 * will be stored on display_objid
333 		 */
334 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
335 			obj_id = object_id_from_bios_object_id(
336 					bp->object_info_tbl.v1_4->display_path[i].display_objid);
337 			if (id.type == obj_id.type && id.id == obj_id.id
338 					&& id.enum_id == obj_id.enum_id)
339 				return &bp->object_info_tbl.v1_4->display_path[i];
340 		}
341 		fallthrough;
342 	default:
343 		return NULL;
344 	}
345 }
346 
347 /* from graphics_object_id, find display path which includes the object_id */
get_bios_object_from_path_v3(struct bios_parser * bp,struct graphics_object_id id)348 static struct atom_display_object_path_v3 *get_bios_object_from_path_v3(struct bios_parser *bp,
349 									struct graphics_object_id id)
350 {
351 	unsigned int i;
352 	struct graphics_object_id obj_id = {0};
353 
354 	switch (id.type) {
355 	case OBJECT_TYPE_ENCODER:
356 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
357 			obj_id = object_id_from_bios_object_id(
358 					bp->object_info_tbl.v1_5->display_path[i].encoderobjid);
359 			if (id.type == obj_id.type && id.id == obj_id.id
360 					&& id.enum_id == obj_id.enum_id)
361 				return &bp->object_info_tbl.v1_5->display_path[i];
362 		}
363 	break;
364 
365 	case OBJECT_TYPE_CONNECTOR:
366 	case OBJECT_TYPE_GENERIC:
367 		/* Both Generic and Connector Object ID
368 		 * will be stored on display_objid
369 		 */
370 		for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
371 			obj_id = object_id_from_bios_object_id(
372 					bp->object_info_tbl.v1_5->display_path[i].display_objid);
373 			if (id.type == obj_id.type && id.id == obj_id.id
374 					&& id.enum_id == obj_id.enum_id)
375 				return &bp->object_info_tbl.v1_5->display_path[i];
376 		}
377 	break;
378 
379 	default:
380 		return NULL;
381 	}
382 
383 	return NULL;
384 }
385 
bios_parser_get_i2c_info(struct dc_bios * dcb,struct graphics_object_id id,struct graphics_object_i2c_info * info)386 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
387 	struct graphics_object_id id,
388 	struct graphics_object_i2c_info *info)
389 {
390 	uint32_t offset;
391 	struct atom_display_object_path_v2 *object;
392 
393 	struct atom_display_object_path_v3 *object_path_v3;
394 
395 	struct atom_common_record_header *header;
396 	struct atom_i2c_record *record;
397 	struct atom_i2c_record dummy_record = {0};
398 	struct bios_parser *bp = BP_FROM_DCB(dcb);
399 	int i;
400 
401 	if (!info)
402 		return BP_RESULT_BADINPUT;
403 
404 	if (id.type == OBJECT_TYPE_GENERIC) {
405 		dummy_record.i2c_id = id.id;
406 
407 		if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
408 			return BP_RESULT_OK;
409 		else
410 			return BP_RESULT_NORECORD;
411 	}
412 
413 	switch (bp->object_info_tbl.revision.minor) {
414 	case 4:
415 	default:
416 		object = get_bios_object(bp, id);
417 
418 		if (!object)
419 			return BP_RESULT_BADINPUT;
420 
421 		offset = object->disp_recordoffset + bp->object_info_tbl_offset;
422 		break;
423 	case 5:
424 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
425 
426 		if (!object_path_v3)
427 			return BP_RESULT_BADINPUT;
428 
429 		offset = object_path_v3->disp_recordoffset + bp->object_info_tbl_offset;
430 		break;
431 	}
432 
433 	for (i = 0; i < BIOS_MAX_NUM_RECORD; i++) {
434 		header = GET_IMAGE(struct atom_common_record_header, offset);
435 
436 		if (!header)
437 			return BP_RESULT_BADBIOSTABLE;
438 
439 		if (header->record_type == LAST_RECORD_TYPE ||
440 			!header->record_size)
441 			break;
442 
443 		if (header->record_type == ATOM_I2C_RECORD_TYPE
444 			&& sizeof(struct atom_i2c_record) <=
445 							header->record_size) {
446 			/* get the I2C info */
447 			record = (struct atom_i2c_record *) header;
448 
449 			if (get_gpio_i2c_info(bp, record, info) ==
450 								BP_RESULT_OK)
451 				return BP_RESULT_OK;
452 		}
453 
454 		offset += header->record_size;
455 	}
456 
457 	return BP_RESULT_NORECORD;
458 }
459 
get_gpio_i2c_info(struct bios_parser * bp,struct atom_i2c_record * record,struct graphics_object_i2c_info * info)460 static enum bp_result get_gpio_i2c_info(
461 	struct bios_parser *bp,
462 	struct atom_i2c_record *record,
463 	struct graphics_object_i2c_info *info)
464 {
465 	struct atom_gpio_pin_lut_v2_1 *header;
466 	uint32_t count = 0;
467 	unsigned int table_index = 0;
468 	bool find_valid = false;
469 	struct atom_gpio_pin_assignment *pin;
470 
471 	if (!info)
472 		return BP_RESULT_BADINPUT;
473 
474 	/* get the GPIO_I2C info */
475 	if (!DATA_TABLES(gpio_pin_lut))
476 		return BP_RESULT_BADBIOSTABLE;
477 
478 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
479 					DATA_TABLES(gpio_pin_lut));
480 	if (!header)
481 		return BP_RESULT_BADBIOSTABLE;
482 
483 	if (sizeof(struct atom_common_table_header) +
484 			sizeof(struct atom_gpio_pin_assignment)	>
485 			le16_to_cpu(header->table_header.structuresize))
486 		return BP_RESULT_BADBIOSTABLE;
487 
488 	/* TODO: is version change? */
489 	if (header->table_header.content_revision != 1)
490 		return BP_RESULT_UNSUPPORTED;
491 
492 	/* get data count */
493 	count = (le16_to_cpu(header->table_header.structuresize)
494 			- sizeof(struct atom_common_table_header))
495 				/ sizeof(struct atom_gpio_pin_assignment);
496 
497 	if (!bios_get_image(&bp->base, DATA_TABLES(gpio_pin_lut),
498 			    le16_to_cpu(header->table_header.structuresize)))
499 		return BP_RESULT_BADBIOSTABLE;
500 
501 	pin = (struct atom_gpio_pin_assignment *) header->gpio_pin;
502 
503 	for (table_index = 0; table_index < count; table_index++) {
504 		if (((record->i2c_id & I2C_HW_CAP) 				== (pin->gpio_id & I2C_HW_CAP)) &&
505 		    ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)	== (pin->gpio_id & I2C_HW_ENGINE_ID_MASK)) &&
506 		    ((record->i2c_id & I2C_HW_LANE_MUX) 		== (pin->gpio_id & I2C_HW_LANE_MUX))) {
507 			/* still valid */
508 			find_valid = true;
509 			break;
510 		}
511 		pin = (struct atom_gpio_pin_assignment *)((uint8_t *)pin + sizeof(struct atom_gpio_pin_assignment));
512 	}
513 
514 	/* If we don't find the entry that we are looking for then
515 	 *  we will return BP_Result_BadBiosTable.
516 	 */
517 	if (find_valid == false)
518 		return BP_RESULT_BADBIOSTABLE;
519 
520 	/* get the GPIO_I2C_INFO */
521 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
522 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
523 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
524 	info->i2c_slave_address = record->i2c_slave_addr;
525 
526 	/* TODO: check how to get register offset for en, Y, etc. */
527 	info->gpio_info.clk_a_register_index = le16_to_cpu(pin->data_a_reg_index);
528 	info->gpio_info.clk_a_shift = pin->gpio_bitshift;
529 
530 	return BP_RESULT_OK;
531 }
532 
get_hpd_record_for_path_v3(struct bios_parser * bp,struct atom_display_object_path_v3 * object)533 static struct atom_hpd_int_record *get_hpd_record_for_path_v3(struct bios_parser *bp,
534 							      struct atom_display_object_path_v3 *object)
535 {
536 	struct atom_common_record_header *header;
537 	uint32_t offset;
538 	int i;
539 
540 	if (!object) {
541 		BREAK_TO_DEBUGGER(); /* Invalid object */
542 		return NULL;
543 	}
544 
545 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
546 
547 	for (i = 0; i < BIOS_MAX_NUM_RECORD; i++) {
548 		header = GET_IMAGE(struct atom_common_record_header, offset);
549 
550 		if (!header)
551 			return NULL;
552 
553 		if (header->record_type == ATOM_RECORD_END_TYPE ||
554 			!header->record_size)
555 			break;
556 
557 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
558 			&& sizeof(struct atom_hpd_int_record) <=
559 							header->record_size)
560 			return (struct atom_hpd_int_record *) header;
561 
562 		offset += header->record_size;
563 	}
564 
565 	return NULL;
566 }
567 
bios_parser_get_hpd_info(struct dc_bios * dcb,struct graphics_object_id id,struct graphics_object_hpd_info * info)568 static enum bp_result bios_parser_get_hpd_info(
569 	struct dc_bios *dcb,
570 	struct graphics_object_id id,
571 	struct graphics_object_hpd_info *info)
572 {
573 	struct bios_parser *bp = BP_FROM_DCB(dcb);
574 	struct atom_display_object_path_v2 *object;
575 	struct atom_display_object_path_v3 *object_path_v3;
576 	struct atom_hpd_int_record *record = NULL;
577 
578 	if (!info)
579 		return BP_RESULT_BADINPUT;
580 
581 	switch (bp->object_info_tbl.revision.minor) {
582 	case 4:
583 	default:
584 		object = get_bios_object(bp, id);
585 
586 		if (!object)
587 			return BP_RESULT_BADINPUT;
588 
589 		record = get_hpd_record(bp, object);
590 		break;
591 	case 5:
592 		object_path_v3 = get_bios_object_from_path_v3(bp, id);
593 
594 		if (!object_path_v3)
595 			return BP_RESULT_BADINPUT;
596 
597 		record = get_hpd_record_for_path_v3(bp, object_path_v3);
598 		break;
599 	}
600 
601 	if (record != NULL) {
602 		info->hpd_int_gpio_uid = record->pin_id;
603 		info->hpd_active = record->plugin_pin_state;
604 		return BP_RESULT_OK;
605 	}
606 
607 	return BP_RESULT_NORECORD;
608 }
609 
get_hpd_record(struct bios_parser * bp,struct atom_display_object_path_v2 * object)610 static struct atom_hpd_int_record *get_hpd_record(
611 	struct bios_parser *bp,
612 	struct atom_display_object_path_v2 *object)
613 {
614 	struct atom_common_record_header *header;
615 	uint32_t offset;
616 	int i;
617 
618 	if (!object) {
619 		BREAK_TO_DEBUGGER(); /* Invalid object */
620 		return NULL;
621 	}
622 
623 	offset = le16_to_cpu(object->disp_recordoffset)
624 			+ bp->object_info_tbl_offset;
625 
626 	for (i = 0; i < BIOS_MAX_NUM_RECORD; i++) {
627 		header = GET_IMAGE(struct atom_common_record_header, offset);
628 
629 		if (!header)
630 			return NULL;
631 
632 		if (header->record_type == LAST_RECORD_TYPE ||
633 			!header->record_size)
634 			break;
635 
636 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
637 			&& sizeof(struct atom_hpd_int_record) <=
638 							header->record_size)
639 			return (struct atom_hpd_int_record *) header;
640 
641 		offset += header->record_size;
642 	}
643 
644 	return NULL;
645 }
646 
647 /**
648  * bios_parser_get_gpio_pin_info
649  * Get GpioPin information of input gpio id
650  *
651  * @dcb:     pointer to the DC BIOS
652  * @gpio_id: GPIO ID
653  * @info:    GpioPin information structure
654  * return: Bios parser result code
655  * note:
656  *  to get the GPIO PIN INFO, we need:
657  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
658  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
659  *	to get the registerA  offset/mask
660  */
bios_parser_get_gpio_pin_info(struct dc_bios * dcb,uint32_t gpio_id,struct gpio_pin_info * info)661 static enum bp_result bios_parser_get_gpio_pin_info(
662 	struct dc_bios *dcb,
663 	uint32_t gpio_id,
664 	struct gpio_pin_info *info)
665 {
666 	struct bios_parser *bp = BP_FROM_DCB(dcb);
667 	struct atom_gpio_pin_lut_v2_1 *header;
668 	uint32_t count = 0;
669 	uint32_t i = 0;
670 
671 	if (!DATA_TABLES(gpio_pin_lut))
672 		return BP_RESULT_BADBIOSTABLE;
673 
674 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
675 						DATA_TABLES(gpio_pin_lut));
676 	if (!header)
677 		return BP_RESULT_BADBIOSTABLE;
678 
679 	if (sizeof(struct atom_common_table_header) +
680 			sizeof(struct atom_gpio_pin_assignment)
681 			> le16_to_cpu(header->table_header.structuresize))
682 		return BP_RESULT_BADBIOSTABLE;
683 
684 	if (header->table_header.content_revision != 1)
685 		return BP_RESULT_UNSUPPORTED;
686 
687 	/* Temporary hard code gpio pin info */
688 	count = (le16_to_cpu(header->table_header.structuresize)
689 			- sizeof(struct atom_common_table_header))
690 				/ sizeof(struct atom_gpio_pin_assignment);
691 
692 	if (!bios_get_image(&bp->base, DATA_TABLES(gpio_pin_lut),
693 			    le16_to_cpu(header->table_header.structuresize)))
694 		return BP_RESULT_BADBIOSTABLE;
695 
696 	for (i = 0; i < count; ++i) {
697 		if (header->gpio_pin[i].gpio_id != gpio_id)
698 			continue;
699 
700 		info->offset =
701 			(uint32_t) le16_to_cpu(
702 					header->gpio_pin[i].data_a_reg_index);
703 		info->offset_y = info->offset + 2;
704 		info->offset_en = info->offset + 1;
705 		info->offset_mask = info->offset - 1;
706 
707 		if (header->gpio_pin[i].gpio_bitshift >= 32)
708 			return BP_RESULT_BADBIOSTABLE;
709 
710 		info->mask = 1u << header->gpio_pin[i].gpio_bitshift;
711 		info->mask_y = info->mask + 2;
712 		info->mask_en = info->mask + 1;
713 		info->mask_mask = info->mask - 1;
714 
715 		return BP_RESULT_OK;
716 	}
717 
718 	return BP_RESULT_NORECORD;
719 }
720 
device_type_from_device_id(uint16_t device_id)721 static struct device_id device_type_from_device_id(uint16_t device_id)
722 {
723 
724 	struct device_id result_device_id;
725 
726 	result_device_id.raw_device_tag = device_id;
727 
728 	switch (device_id) {
729 	case ATOM_DISPLAY_LCD1_SUPPORT:
730 		result_device_id.device_type = DEVICE_TYPE_LCD;
731 		result_device_id.enum_id = 1;
732 		break;
733 
734 	case ATOM_DISPLAY_LCD2_SUPPORT:
735 		result_device_id.device_type = DEVICE_TYPE_LCD;
736 		result_device_id.enum_id = 2;
737 		break;
738 
739 	case ATOM_DISPLAY_DFP1_SUPPORT:
740 		result_device_id.device_type = DEVICE_TYPE_DFP;
741 		result_device_id.enum_id = 1;
742 		break;
743 
744 	case ATOM_DISPLAY_DFP2_SUPPORT:
745 		result_device_id.device_type = DEVICE_TYPE_DFP;
746 		result_device_id.enum_id = 2;
747 		break;
748 
749 	case ATOM_DISPLAY_DFP3_SUPPORT:
750 		result_device_id.device_type = DEVICE_TYPE_DFP;
751 		result_device_id.enum_id = 3;
752 		break;
753 
754 	case ATOM_DISPLAY_DFP4_SUPPORT:
755 		result_device_id.device_type = DEVICE_TYPE_DFP;
756 		result_device_id.enum_id = 4;
757 		break;
758 
759 	case ATOM_DISPLAY_DFP5_SUPPORT:
760 		result_device_id.device_type = DEVICE_TYPE_DFP;
761 		result_device_id.enum_id = 5;
762 		break;
763 
764 	case ATOM_DISPLAY_DFP6_SUPPORT:
765 		result_device_id.device_type = DEVICE_TYPE_DFP;
766 		result_device_id.enum_id = 6;
767 		break;
768 
769 	default:
770 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
771 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
772 		result_device_id.enum_id = 0;
773 	}
774 	return result_device_id;
775 }
776 
bios_parser_get_device_tag(struct dc_bios * dcb,struct graphics_object_id connector_object_id,uint32_t device_tag_index,struct connector_device_tag_info * info)777 static enum bp_result bios_parser_get_device_tag(
778 	struct dc_bios *dcb,
779 	struct graphics_object_id connector_object_id,
780 	uint32_t device_tag_index,
781 	struct connector_device_tag_info *info)
782 {
783 	(void)device_tag_index;
784 	struct bios_parser *bp = BP_FROM_DCB(dcb);
785 	struct atom_display_object_path_v2 *object;
786 
787 	struct atom_display_object_path_v3 *object_path_v3;
788 
789 
790 	if (!info)
791 		return BP_RESULT_BADINPUT;
792 
793 	switch (bp->object_info_tbl.revision.minor) {
794 	case 4:
795 	default:
796 	        /* getBiosObject will return MXM object */
797 		object = get_bios_object(bp, connector_object_id);
798 
799 		if (!object) {
800 			BREAK_TO_DEBUGGER(); /* Invalid object id */
801 			return BP_RESULT_BADINPUT;
802 		}
803 
804 		info->acpi_device = 0; /* BIOS no longer provides this */
805 		info->dev_id = device_type_from_device_id(object->device_tag);
806 		break;
807 	case 5:
808 		object_path_v3 = get_bios_object_from_path_v3(bp, connector_object_id);
809 
810 		if (!object_path_v3) {
811 			BREAK_TO_DEBUGGER(); /* Invalid object id */
812 			return BP_RESULT_BADINPUT;
813 		}
814 		info->acpi_device = 0; /* BIOS no longer provides this */
815 		info->dev_id = device_type_from_device_id(object_path_v3->device_tag);
816 		break;
817 	}
818 
819 	return BP_RESULT_OK;
820 }
821 
get_ss_info_v4_1(struct bios_parser * bp,uint32_t id,uint32_t index,struct spread_spectrum_info * ss_info)822 static enum bp_result get_ss_info_v4_1(
823 	struct bios_parser *bp,
824 	uint32_t id,
825 	uint32_t index,
826 	struct spread_spectrum_info *ss_info)
827 {
828 	(void)index;
829 	enum bp_result result = BP_RESULT_OK;
830 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
831 	struct atom_smu_info_v3_3 *smu_info = NULL;
832 
833 	if (!ss_info)
834 		return BP_RESULT_BADINPUT;
835 
836 	if (!DATA_TABLES(dce_info))
837 		return BP_RESULT_BADBIOSTABLE;
838 
839 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
840 							DATA_TABLES(dce_info));
841 	if (!disp_cntl_tbl)
842 		return BP_RESULT_BADBIOSTABLE;
843 
844 
845 	ss_info->type.STEP_AND_DELAY_INFO = false;
846 	ss_info->spread_percentage_divider = 1000;
847 	/* BIOS no longer uses target clock.  Always enable for now */
848 	ss_info->target_clock_range = 0xffffffff;
849 
850 	switch (id) {
851 	case AS_SIGNAL_TYPE_DVI:
852 		ss_info->spread_spectrum_percentage =
853 				disp_cntl_tbl->dvi_ss_percentage;
854 		ss_info->spread_spectrum_range =
855 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
856 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
857 			ss_info->type.CENTER_MODE = true;
858 
859 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
860 		break;
861 	case AS_SIGNAL_TYPE_HDMI:
862 		ss_info->spread_spectrum_percentage =
863 				disp_cntl_tbl->hdmi_ss_percentage;
864 		ss_info->spread_spectrum_range =
865 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
866 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
867 			ss_info->type.CENTER_MODE = true;
868 
869 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
870 		break;
871 	/* TODO LVDS not support anymore? */
872 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
873 		ss_info->spread_spectrum_percentage =
874 				disp_cntl_tbl->dp_ss_percentage;
875 		ss_info->spread_spectrum_range =
876 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
877 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
878 			ss_info->type.CENTER_MODE = true;
879 
880 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
881 		break;
882 	case AS_SIGNAL_TYPE_GPU_PLL:
883 		/* atom_firmware: DAL only get data from dce_info table.
884 		 * if data within smu_info is needed for DAL, VBIOS should
885 		 * copy it into dce_info
886 		 */
887 		result = BP_RESULT_UNSUPPORTED;
888 		break;
889 	case AS_SIGNAL_TYPE_XGMI:
890 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
891 				      DATA_TABLES(smu_info));
892 		if (!smu_info)
893 			return BP_RESULT_BADBIOSTABLE;
894 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
895 		ss_info->spread_spectrum_percentage =
896 				smu_info->waflclk_ss_percentage;
897 		ss_info->spread_spectrum_range =
898 				smu_info->gpuclk_ss_rate_10hz * 10;
899 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
900 			ss_info->type.CENTER_MODE = true;
901 
902 		DC_LOG_BIOS("AS_SIGNAL_TYPE_XGMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
903 		break;
904 	default:
905 		result = BP_RESULT_UNSUPPORTED;
906 	}
907 
908 	return result;
909 }
910 
get_ss_info_v4_2(struct bios_parser * bp,uint32_t id,uint32_t index,struct spread_spectrum_info * ss_info)911 static enum bp_result get_ss_info_v4_2(
912 	struct bios_parser *bp,
913 	uint32_t id,
914 	uint32_t index,
915 	struct spread_spectrum_info *ss_info)
916 {
917 	(void)index;
918 	enum bp_result result = BP_RESULT_OK;
919 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
920 	struct atom_smu_info_v3_1 *smu_info = NULL;
921 
922 	if (!ss_info)
923 		return BP_RESULT_BADINPUT;
924 
925 	if (!DATA_TABLES(dce_info))
926 		return BP_RESULT_BADBIOSTABLE;
927 
928 	if (!DATA_TABLES(smu_info))
929 		return BP_RESULT_BADBIOSTABLE;
930 
931 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
932 							DATA_TABLES(dce_info));
933 	if (!disp_cntl_tbl)
934 		return BP_RESULT_BADBIOSTABLE;
935 
936 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
937 	if (!smu_info)
938 		return BP_RESULT_BADBIOSTABLE;
939 
940 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info->gpuclk_ss_percentage);
941 	ss_info->type.STEP_AND_DELAY_INFO = false;
942 	ss_info->spread_percentage_divider = 1000;
943 	/* BIOS no longer uses target clock.  Always enable for now */
944 	ss_info->target_clock_range = 0xffffffff;
945 
946 	switch (id) {
947 	case AS_SIGNAL_TYPE_DVI:
948 		ss_info->spread_spectrum_percentage =
949 				disp_cntl_tbl->dvi_ss_percentage;
950 		ss_info->spread_spectrum_range =
951 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
952 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
953 			ss_info->type.CENTER_MODE = true;
954 
955 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
956 		break;
957 	case AS_SIGNAL_TYPE_HDMI:
958 		ss_info->spread_spectrum_percentage =
959 				disp_cntl_tbl->hdmi_ss_percentage;
960 		ss_info->spread_spectrum_range =
961 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
962 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
963 			ss_info->type.CENTER_MODE = true;
964 
965 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
966 		break;
967 	/* TODO LVDS not support anymore? */
968 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
969 		ss_info->spread_spectrum_percentage =
970 				smu_info->gpuclk_ss_percentage;
971 		ss_info->spread_spectrum_range =
972 				smu_info->gpuclk_ss_rate_10hz * 10;
973 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
974 			ss_info->type.CENTER_MODE = true;
975 
976 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
977 		break;
978 	case AS_SIGNAL_TYPE_GPU_PLL:
979 		/* atom_firmware: DAL only get data from dce_info table.
980 		 * if data within smu_info is needed for DAL, VBIOS should
981 		 * copy it into dce_info
982 		 */
983 		result = BP_RESULT_UNSUPPORTED;
984 		break;
985 	default:
986 		result = BP_RESULT_UNSUPPORTED;
987 	}
988 
989 	return result;
990 }
991 
get_ss_info_v4_5(struct bios_parser * bp,uint32_t id,uint32_t index,struct spread_spectrum_info * ss_info)992 static enum bp_result get_ss_info_v4_5(
993 	struct bios_parser *bp,
994 	uint32_t id,
995 	uint32_t index,
996 	struct spread_spectrum_info *ss_info)
997 {
998 	(void)index;
999 	enum bp_result result = BP_RESULT_OK;
1000 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1001 
1002 	if (!ss_info)
1003 		return BP_RESULT_BADINPUT;
1004 
1005 	if (!DATA_TABLES(dce_info))
1006 		return BP_RESULT_BADBIOSTABLE;
1007 
1008 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1009 							DATA_TABLES(dce_info));
1010 	if (!disp_cntl_tbl)
1011 		return BP_RESULT_BADBIOSTABLE;
1012 
1013 	ss_info->type.STEP_AND_DELAY_INFO = false;
1014 	ss_info->spread_percentage_divider = 1000;
1015 	/* BIOS no longer uses target clock.  Always enable for now */
1016 	ss_info->target_clock_range = 0xffffffff;
1017 
1018 	switch (id) {
1019 	case AS_SIGNAL_TYPE_DVI:
1020 		ss_info->spread_spectrum_percentage =
1021 				disp_cntl_tbl->dvi_ss_percentage;
1022 		ss_info->spread_spectrum_range =
1023 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
1024 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1025 			ss_info->type.CENTER_MODE = true;
1026 
1027 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DVI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1028 		break;
1029 	case AS_SIGNAL_TYPE_HDMI:
1030 		ss_info->spread_spectrum_percentage =
1031 				disp_cntl_tbl->hdmi_ss_percentage;
1032 		ss_info->spread_spectrum_range =
1033 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
1034 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1035 			ss_info->type.CENTER_MODE = true;
1036 
1037 		DC_LOG_BIOS("AS_SIGNAL_TYPE_HDMI ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1038 		break;
1039 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
1040 		if (bp->base.integrated_info) {
1041 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", bp->base.integrated_info->gpuclk_ss_percentage);
1042 			ss_info->spread_spectrum_percentage =
1043 					bp->base.integrated_info->gpuclk_ss_percentage;
1044 			ss_info->type.CENTER_MODE =
1045 					bp->base.integrated_info->gpuclk_ss_type;
1046 		} else {
1047 			ss_info->spread_spectrum_percentage =
1048 				disp_cntl_tbl->dp_ss_percentage;
1049 			ss_info->spread_spectrum_range =
1050 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
1051 			if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1052 				ss_info->type.CENTER_MODE = true;
1053 		}
1054 		DC_LOG_BIOS("AS_SIGNAL_TYPE_DISPLAY_PORT ss_percentage: %d\n", ss_info->spread_spectrum_percentage);
1055 		break;
1056 	case AS_SIGNAL_TYPE_GPU_PLL:
1057 		/* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.
1058 		 * SMU Display PLL supposed to be without spread.
1059 		 * Better place for it would be in atom_display_controller_info_v4_5 table.
1060 		 */
1061 		result = BP_RESULT_UNSUPPORTED;
1062 		break;
1063 	default:
1064 		result = BP_RESULT_UNSUPPORTED;
1065 		break;
1066 	}
1067 
1068 	return result;
1069 }
1070 
1071 /**
1072  * bios_parser_get_spread_spectrum_info
1073  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
1074  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
1075  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
1076  * ver 3.1,
1077  * there is only one entry for each signal /ss id.  However, there is
1078  * no planning of supporting multiple spread Sprectum entry for EverGreen
1079  * @dcb:     pointer to the DC BIOS
1080  * @signal:  ASSignalType to be converted to info index
1081  * @index:   number of entries that match the converted info index
1082  * @ss_info: sprectrum information structure,
1083  * return: Bios parser result code
1084  */
bios_parser_get_spread_spectrum_info(struct dc_bios * dcb,enum as_signal_type signal,uint32_t index,struct spread_spectrum_info * ss_info)1085 static enum bp_result bios_parser_get_spread_spectrum_info(
1086 	struct dc_bios *dcb,
1087 	enum as_signal_type signal,
1088 	uint32_t index,
1089 	struct spread_spectrum_info *ss_info)
1090 {
1091 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1092 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1093 	struct atom_common_table_header *header;
1094 	struct atom_data_revision tbl_revision;
1095 
1096 	if (!ss_info) /* check for bad input */
1097 		return BP_RESULT_BADINPUT;
1098 
1099 	if (!DATA_TABLES(dce_info))
1100 		return BP_RESULT_UNSUPPORTED;
1101 
1102 	header = GET_IMAGE(struct atom_common_table_header,
1103 						DATA_TABLES(dce_info));
1104 	get_atom_data_table_revision(header, &tbl_revision);
1105 
1106 	switch (tbl_revision.major) {
1107 	case 4:
1108 		switch (tbl_revision.minor) {
1109 		case 1:
1110 			return get_ss_info_v4_1(bp, signal, index, ss_info);
1111 		case 2:
1112 		case 3:
1113 		case 4:
1114 			return get_ss_info_v4_2(bp, signal, index, ss_info);
1115 		case 5:
1116 			return get_ss_info_v4_5(bp, signal, index, ss_info);
1117 
1118 		default:
1119 			ASSERT(0);
1120 			break;
1121 		}
1122 		break;
1123 	default:
1124 		break;
1125 	}
1126 	/* there can not be more then one entry for SS Info table */
1127 	return result;
1128 }
1129 
get_soc_bb_info_v4_4(struct bios_parser * bp,struct bp_soc_bb_info * soc_bb_info)1130 static enum bp_result get_soc_bb_info_v4_4(
1131 	struct bios_parser *bp,
1132 	struct bp_soc_bb_info *soc_bb_info)
1133 {
1134 	enum bp_result result = BP_RESULT_OK;
1135 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1136 
1137 	if (!soc_bb_info)
1138 		return BP_RESULT_BADINPUT;
1139 
1140 	if (!DATA_TABLES(dce_info))
1141 		return BP_RESULT_BADBIOSTABLE;
1142 
1143 	if (!DATA_TABLES(smu_info))
1144 		return BP_RESULT_BADBIOSTABLE;
1145 
1146 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
1147 							DATA_TABLES(dce_info));
1148 	if (!disp_cntl_tbl)
1149 		return BP_RESULT_BADBIOSTABLE;
1150 
1151 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1152 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1153 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1154 
1155 	return result;
1156 }
1157 
get_soc_bb_info_v4_5(struct bios_parser * bp,struct bp_soc_bb_info * soc_bb_info)1158 static enum bp_result get_soc_bb_info_v4_5(
1159 	struct bios_parser *bp,
1160 	struct bp_soc_bb_info *soc_bb_info)
1161 {
1162 	enum bp_result result = BP_RESULT_OK;
1163 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1164 
1165 	if (!soc_bb_info)
1166 		return BP_RESULT_BADINPUT;
1167 
1168 	if (!DATA_TABLES(dce_info))
1169 		return BP_RESULT_BADBIOSTABLE;
1170 
1171 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1172 							DATA_TABLES(dce_info));
1173 	if (!disp_cntl_tbl)
1174 		return BP_RESULT_BADBIOSTABLE;
1175 
1176 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1177 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1178 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1179 
1180 	return result;
1181 }
1182 
bios_parser_get_soc_bb_info(struct dc_bios * dcb,struct bp_soc_bb_info * soc_bb_info)1183 static enum bp_result bios_parser_get_soc_bb_info(
1184 	struct dc_bios *dcb,
1185 	struct bp_soc_bb_info *soc_bb_info)
1186 {
1187 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1188 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1189 	struct atom_common_table_header *header;
1190 	struct atom_data_revision tbl_revision;
1191 
1192 	if (!soc_bb_info) /* check for bad input */
1193 		return BP_RESULT_BADINPUT;
1194 
1195 	if (!DATA_TABLES(dce_info))
1196 		return BP_RESULT_UNSUPPORTED;
1197 
1198 	header = GET_IMAGE(struct atom_common_table_header,
1199 						DATA_TABLES(dce_info));
1200 	get_atom_data_table_revision(header, &tbl_revision);
1201 
1202 	switch (tbl_revision.major) {
1203 	case 4:
1204 		switch (tbl_revision.minor) {
1205 		case 1:
1206 		case 2:
1207 		case 3:
1208 			break;
1209 		case 4:
1210 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
1211 			break;
1212 		case 5:
1213 			result = get_soc_bb_info_v4_5(bp, soc_bb_info);
1214 			break;
1215 		default:
1216 			break;
1217 		}
1218 		break;
1219 	default:
1220 		break;
1221 	}
1222 
1223 	return result;
1224 }
1225 
get_disp_caps_v4_1(struct bios_parser * bp,uint8_t * dce_caps)1226 static enum bp_result get_disp_caps_v4_1(
1227 	struct bios_parser *bp,
1228 	uint8_t *dce_caps)
1229 {
1230 	enum bp_result result = BP_RESULT_OK;
1231 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
1232 
1233 	if (!dce_caps)
1234 		return BP_RESULT_BADINPUT;
1235 
1236 	if (!DATA_TABLES(dce_info))
1237 		return BP_RESULT_BADBIOSTABLE;
1238 
1239 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_1,
1240 							DATA_TABLES(dce_info));
1241 
1242 	if (!disp_cntl_tbl)
1243 		return BP_RESULT_BADBIOSTABLE;
1244 
1245 	*dce_caps = disp_cntl_tbl->display_caps;
1246 
1247 	return result;
1248 }
1249 
get_disp_caps_v4_2(struct bios_parser * bp,uint8_t * dce_caps)1250 static enum bp_result get_disp_caps_v4_2(
1251 	struct bios_parser *bp,
1252 	uint8_t *dce_caps)
1253 {
1254 	enum bp_result result = BP_RESULT_OK;
1255 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
1256 
1257 	if (!dce_caps)
1258 		return BP_RESULT_BADINPUT;
1259 
1260 	if (!DATA_TABLES(dce_info))
1261 		return BP_RESULT_BADBIOSTABLE;
1262 
1263 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_2,
1264 							DATA_TABLES(dce_info));
1265 
1266 	if (!disp_cntl_tbl)
1267 		return BP_RESULT_BADBIOSTABLE;
1268 
1269 	*dce_caps = disp_cntl_tbl->display_caps;
1270 
1271 	return result;
1272 }
1273 
get_disp_caps_v4_3(struct bios_parser * bp,uint8_t * dce_caps)1274 static enum bp_result get_disp_caps_v4_3(
1275 	struct bios_parser *bp,
1276 	uint8_t *dce_caps)
1277 {
1278 	enum bp_result result = BP_RESULT_OK;
1279 	struct atom_display_controller_info_v4_3 *disp_cntl_tbl = NULL;
1280 
1281 	if (!dce_caps)
1282 		return BP_RESULT_BADINPUT;
1283 
1284 	if (!DATA_TABLES(dce_info))
1285 		return BP_RESULT_BADBIOSTABLE;
1286 
1287 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_3,
1288 							DATA_TABLES(dce_info));
1289 
1290 	if (!disp_cntl_tbl)
1291 		return BP_RESULT_BADBIOSTABLE;
1292 
1293 	*dce_caps = disp_cntl_tbl->display_caps;
1294 
1295 	return result;
1296 }
1297 
get_disp_caps_v4_4(struct bios_parser * bp,uint8_t * dce_caps)1298 static enum bp_result get_disp_caps_v4_4(
1299 	struct bios_parser *bp,
1300 	uint8_t *dce_caps)
1301 {
1302 	enum bp_result result = BP_RESULT_OK;
1303 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1304 
1305 	if (!dce_caps)
1306 		return BP_RESULT_BADINPUT;
1307 
1308 	if (!DATA_TABLES(dce_info))
1309 		return BP_RESULT_BADBIOSTABLE;
1310 
1311 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_4,
1312 							DATA_TABLES(dce_info));
1313 
1314 	if (!disp_cntl_tbl)
1315 		return BP_RESULT_BADBIOSTABLE;
1316 
1317 	*dce_caps = disp_cntl_tbl->display_caps;
1318 
1319 	return result;
1320 }
1321 
get_disp_caps_v4_5(struct bios_parser * bp,uint8_t * dce_caps)1322 static enum bp_result get_disp_caps_v4_5(
1323 	struct bios_parser *bp,
1324 	uint8_t *dce_caps)
1325 {
1326 	enum bp_result result = BP_RESULT_OK;
1327 	struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1328 
1329 	if (!dce_caps)
1330 		return BP_RESULT_BADINPUT;
1331 
1332 	if (!DATA_TABLES(dce_info))
1333 		return BP_RESULT_BADBIOSTABLE;
1334 
1335 	disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_5,
1336 							DATA_TABLES(dce_info));
1337 
1338 	if (!disp_cntl_tbl)
1339 		return BP_RESULT_BADBIOSTABLE;
1340 
1341 	*dce_caps = disp_cntl_tbl->display_caps;
1342 
1343 	return result;
1344 }
1345 
bios_parser_get_lttpr_interop(struct dc_bios * dcb,uint8_t * dce_caps)1346 static enum bp_result bios_parser_get_lttpr_interop(
1347 	struct dc_bios *dcb,
1348 	uint8_t *dce_caps)
1349 {
1350 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1351 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1352 	struct atom_common_table_header *header;
1353 	struct atom_data_revision tbl_revision;
1354 
1355 	if (!DATA_TABLES(dce_info))
1356 		return BP_RESULT_UNSUPPORTED;
1357 
1358 	header = GET_IMAGE(struct atom_common_table_header,
1359 						DATA_TABLES(dce_info));
1360 	get_atom_data_table_revision(header, &tbl_revision);
1361 	switch (tbl_revision.major) {
1362 	case 4:
1363 		switch (tbl_revision.minor) {
1364 		case 1:
1365 			result = get_disp_caps_v4_1(bp, dce_caps);
1366 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1367 			break;
1368 		case 2:
1369 			result = get_disp_caps_v4_2(bp, dce_caps);
1370 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1371 			break;
1372 		case 3:
1373 			result = get_disp_caps_v4_3(bp, dce_caps);
1374 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1375 			break;
1376 		case 4:
1377 			result = get_disp_caps_v4_4(bp, dce_caps);
1378 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1379 			break;
1380 		case 5:
1381 			result = get_disp_caps_v4_5(bp, dce_caps);
1382 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1383 			break;
1384 
1385 		default:
1386 			break;
1387 		}
1388 		break;
1389 	default:
1390 		break;
1391 	}
1392 	DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: %d tbl_revision.major = %d tbl_revision.minor = %d\n", *dce_caps, tbl_revision.major, tbl_revision.minor);
1393 	return result;
1394 }
1395 
bios_parser_get_lttpr_caps(struct dc_bios * dcb,uint8_t * dce_caps)1396 static enum bp_result bios_parser_get_lttpr_caps(
1397 	struct dc_bios *dcb,
1398 	uint8_t *dce_caps)
1399 {
1400 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1401 	enum bp_result result = BP_RESULT_UNSUPPORTED;
1402 	struct atom_common_table_header *header;
1403 	struct atom_data_revision tbl_revision;
1404 
1405 	if (!DATA_TABLES(dce_info))
1406 		return BP_RESULT_UNSUPPORTED;
1407 
1408 	*dce_caps  = 0;
1409 	header = GET_IMAGE(struct atom_common_table_header,
1410 						DATA_TABLES(dce_info));
1411 	get_atom_data_table_revision(header, &tbl_revision);
1412 	switch (tbl_revision.major) {
1413 	case 4:
1414 		switch (tbl_revision.minor) {
1415 		case 1:
1416 			result = get_disp_caps_v4_1(bp, dce_caps);
1417 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1418 			break;
1419 		case 2:
1420 			result = get_disp_caps_v4_2(bp, dce_caps);
1421 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1422 			break;
1423 		case 3:
1424 			result = get_disp_caps_v4_3(bp, dce_caps);
1425 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1426 			break;
1427 		case 4:
1428 			result = get_disp_caps_v4_4(bp, dce_caps);
1429 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1430 			break;
1431 		case 5:
1432 			result = get_disp_caps_v4_5(bp, dce_caps);
1433 			*dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1434 			break;
1435 		default:
1436 			break;
1437 		}
1438 		break;
1439 	default:
1440 		break;
1441 	}
1442 	DC_LOG_BIOS("DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE: %d tbl_revision.major = %d tbl_revision.minor = %d\n", *dce_caps, tbl_revision.major, tbl_revision.minor);
1443 	if (dcb->ctx->dc->config.force_bios_enable_lttpr && *dce_caps == 0) {
1444 		*dce_caps = 1;
1445 		DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: forced enabled");
1446 	}
1447 	return result;
1448 }
1449 
get_embedded_panel_info_v2_1(struct bios_parser * bp,struct embedded_panel_info * info)1450 static enum bp_result get_embedded_panel_info_v2_1(
1451 		struct bios_parser *bp,
1452 		struct embedded_panel_info *info)
1453 {
1454 	struct lcd_info_v2_1 *lvds;
1455 
1456 	if (!info)
1457 		return BP_RESULT_BADINPUT;
1458 
1459 	if (!DATA_TABLES(lcd_info))
1460 		return BP_RESULT_UNSUPPORTED;
1461 
1462 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1463 
1464 	if (!lvds)
1465 		return BP_RESULT_BADBIOSTABLE;
1466 
1467 	/* TODO: previous vv1_3, should v2_1 */
1468 	if (!((lvds->table_header.format_revision == 2)
1469 			&& (lvds->table_header.content_revision >= 1)))
1470 		return BP_RESULT_UNSUPPORTED;
1471 
1472 	memset(info, 0, sizeof(struct embedded_panel_info));
1473 
1474 	/* We need to convert from 10KHz units into KHz units */
1475 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1476 	/* usHActive does not include borders, according to VBIOS team */
1477 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
1478 	/* usHBlanking_Time includes borders, so we should really be
1479 	 * subtractingborders duing this translation, but LVDS generally
1480 	 * doesn't have borders, so we should be okay leaving this as is for
1481 	 * now.  May need to revisit if we ever have LVDS with borders
1482 	 */
1483 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1484 	/* usVActive does not include borders, according to VBIOS team*/
1485 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
1486 	/* usVBlanking_Time includes borders, so we should really be
1487 	 * subtracting borders duing this translation, but LVDS generally
1488 	 * doesn't have borders, so we should be okay leaving this as is for
1489 	 * now. May need to revisit if we ever have LVDS with borders
1490 	 */
1491 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1492 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1493 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
1494 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1495 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1496 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1497 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1498 
1499 	/* not provided by VBIOS */
1500 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1501 
1502 	info->lcd_timing.misc_info.H_SYNC_POLARITY = !(lvds->lcd_timing.miscinfo &
1503 						       ATOM_HSYNC_POLARITY);
1504 	info->lcd_timing.misc_info.V_SYNC_POLARITY = !(lvds->lcd_timing.miscinfo &
1505 						       ATOM_VSYNC_POLARITY);
1506 
1507 	/* not provided by VBIOS */
1508 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1509 
1510 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1511 			& ATOM_H_REPLICATIONBY2);
1512 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1513 			& ATOM_V_REPLICATIONBY2);
1514 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
1515 			& ATOM_COMPOSITESYNC);
1516 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1517 
1518 	/* not provided by VBIOS*/
1519 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1520 	/* not provided by VBIOS*/
1521 	info->ss_id = 0;
1522 
1523 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1524 
1525 	return BP_RESULT_OK;
1526 }
1527 
bios_parser_get_embedded_panel_info(struct dc_bios * dcb,struct embedded_panel_info * info)1528 static enum bp_result bios_parser_get_embedded_panel_info(
1529 		struct dc_bios *dcb,
1530 		struct embedded_panel_info *info)
1531 {
1532 	struct bios_parser
1533 	*bp = BP_FROM_DCB(dcb);
1534 	struct atom_common_table_header *header;
1535 	struct atom_data_revision tbl_revision;
1536 
1537 	if (!DATA_TABLES(lcd_info))
1538 		return BP_RESULT_FAILURE;
1539 
1540 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1541 
1542 	if (!header)
1543 		return BP_RESULT_BADBIOSTABLE;
1544 
1545 	get_atom_data_table_revision(header, &tbl_revision);
1546 
1547 	switch (tbl_revision.major) {
1548 	case 2:
1549 		switch (tbl_revision.minor) {
1550 		case 1:
1551 			return get_embedded_panel_info_v2_1(bp, info);
1552 		default:
1553 			break;
1554 		}
1555 		break;
1556 	default:
1557 		break;
1558 	}
1559 
1560 	return BP_RESULT_FAILURE;
1561 }
1562 
get_support_mask_for_device_id(struct device_id device_id)1563 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1564 {
1565 	enum dal_device_type device_type = device_id.device_type;
1566 	uint32_t enum_id = device_id.enum_id;
1567 
1568 	switch (device_type) {
1569 	case DEVICE_TYPE_LCD:
1570 		switch (enum_id) {
1571 		case 1:
1572 			return ATOM_DISPLAY_LCD1_SUPPORT;
1573 		default:
1574 			break;
1575 		}
1576 		break;
1577 	case DEVICE_TYPE_DFP:
1578 		switch (enum_id) {
1579 		case 1:
1580 			return ATOM_DISPLAY_DFP1_SUPPORT;
1581 		case 2:
1582 			return ATOM_DISPLAY_DFP2_SUPPORT;
1583 		case 3:
1584 			return ATOM_DISPLAY_DFP3_SUPPORT;
1585 		case 4:
1586 			return ATOM_DISPLAY_DFP4_SUPPORT;
1587 		case 5:
1588 			return ATOM_DISPLAY_DFP5_SUPPORT;
1589 		case 6:
1590 			return ATOM_DISPLAY_DFP6_SUPPORT;
1591 		default:
1592 			break;
1593 		}
1594 		break;
1595 	default:
1596 		break;
1597 	}
1598 
1599 	/* Unidentified device ID, return empty support mask. */
1600 	return 0;
1601 }
1602 
bios_parser_is_device_id_supported(struct dc_bios * dcb,struct device_id id)1603 static bool bios_parser_is_device_id_supported(
1604 	struct dc_bios *dcb,
1605 	struct device_id id)
1606 {
1607 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1608 
1609 	uint32_t mask = get_support_mask_for_device_id(id);
1610 
1611 	switch (bp->object_info_tbl.revision.minor) {
1612 	case 4:
1613 	default:
1614 		return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) & mask) != 0;
1615 		break;
1616 	case 5:
1617 		return (le16_to_cpu(bp->object_info_tbl.v1_5->supporteddevices) & mask) != 0;
1618 		break;
1619 	}
1620 }
1621 
bios_parser_get_ss_entry_number(struct dc_bios * dcb,enum as_signal_type signal)1622 static uint32_t bios_parser_get_ss_entry_number(
1623 	struct dc_bios *dcb,
1624 	enum as_signal_type signal)
1625 {
1626 	(void)dcb;
1627 	(void)signal;
1628 	/* TODO: DAL2 atomfirmware implementation does not need this.
1629 	 * why DAL3 need this?
1630 	 */
1631 	return 1;
1632 }
1633 
bios_parser_transmitter_control(struct dc_bios * dcb,struct bp_transmitter_control * cntl)1634 static enum bp_result bios_parser_transmitter_control(
1635 	struct dc_bios *dcb,
1636 	struct bp_transmitter_control *cntl)
1637 {
1638 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1639 
1640 	if (!bp->cmd_tbl.transmitter_control)
1641 		return BP_RESULT_FAILURE;
1642 
1643 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1644 }
1645 
bios_parser_encoder_control(struct dc_bios * dcb,struct bp_encoder_control * cntl)1646 static enum bp_result bios_parser_encoder_control(
1647 	struct dc_bios *dcb,
1648 	struct bp_encoder_control *cntl)
1649 {
1650 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1651 
1652 	if (!bp->cmd_tbl.dig_encoder_control)
1653 		return BP_RESULT_FAILURE;
1654 
1655 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1656 }
1657 
bios_parser_set_pixel_clock(struct dc_bios * dcb,struct bp_pixel_clock_parameters * bp_params)1658 static enum bp_result bios_parser_set_pixel_clock(
1659 	struct dc_bios *dcb,
1660 	struct bp_pixel_clock_parameters *bp_params)
1661 {
1662 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1663 
1664 	if (!bp->cmd_tbl.set_pixel_clock)
1665 		return BP_RESULT_FAILURE;
1666 
1667 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1668 }
1669 
bios_parser_set_dce_clock(struct dc_bios * dcb,struct bp_set_dce_clock_parameters * bp_params)1670 static enum bp_result bios_parser_set_dce_clock(
1671 	struct dc_bios *dcb,
1672 	struct bp_set_dce_clock_parameters *bp_params)
1673 {
1674 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1675 
1676 	if (!bp->cmd_tbl.set_dce_clock)
1677 		return BP_RESULT_FAILURE;
1678 
1679 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1680 }
1681 
bios_parser_program_crtc_timing(struct dc_bios * dcb,struct bp_hw_crtc_timing_parameters * bp_params)1682 static enum bp_result bios_parser_program_crtc_timing(
1683 	struct dc_bios *dcb,
1684 	struct bp_hw_crtc_timing_parameters *bp_params)
1685 {
1686 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1687 
1688 	if (!bp->cmd_tbl.set_crtc_timing)
1689 		return BP_RESULT_FAILURE;
1690 
1691 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1692 }
1693 
bios_parser_enable_crtc(struct dc_bios * dcb,enum controller_id id,bool enable)1694 static enum bp_result bios_parser_enable_crtc(
1695 	struct dc_bios *dcb,
1696 	enum controller_id id,
1697 	bool enable)
1698 {
1699 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1700 
1701 	if (!bp->cmd_tbl.enable_crtc)
1702 		return BP_RESULT_FAILURE;
1703 
1704 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1705 }
1706 
bios_parser_enable_disp_power_gating(struct dc_bios * dcb,enum controller_id controller_id,enum bp_pipe_control_action action)1707 static enum bp_result bios_parser_enable_disp_power_gating(
1708 	struct dc_bios *dcb,
1709 	enum controller_id controller_id,
1710 	enum bp_pipe_control_action action)
1711 {
1712 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1713 
1714 	if (!bp->cmd_tbl.enable_disp_power_gating)
1715 		return BP_RESULT_FAILURE;
1716 
1717 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1718 		action);
1719 }
1720 
bios_parser_enable_lvtma_control(struct dc_bios * dcb,uint8_t uc_pwr_on,uint8_t pwrseq_instance,uint8_t bypass_panel_control_wait)1721 static enum bp_result bios_parser_enable_lvtma_control(
1722 	struct dc_bios *dcb,
1723 	uint8_t uc_pwr_on,
1724 	uint8_t pwrseq_instance,
1725 	uint8_t bypass_panel_control_wait)
1726 {
1727 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1728 
1729 	if (!bp->cmd_tbl.enable_lvtma_control)
1730 		return BP_RESULT_FAILURE;
1731 
1732 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, pwrseq_instance, bypass_panel_control_wait);
1733 }
1734 
bios_parser_is_accelerated_mode(struct dc_bios * dcb)1735 static bool bios_parser_is_accelerated_mode(
1736 	struct dc_bios *dcb)
1737 {
1738 	return bios_is_accelerated_mode(dcb);
1739 }
1740 
1741 /**
1742  * bios_parser_set_scratch_critical_state - update critical state bit
1743  *                                          in VBIOS scratch register
1744  *
1745  * @dcb:   pointer to the DC BIO
1746  * @state: set or reset state
1747  */
bios_parser_set_scratch_critical_state(struct dc_bios * dcb,bool state)1748 static void bios_parser_set_scratch_critical_state(
1749 	struct dc_bios *dcb,
1750 	bool state)
1751 {
1752 	bios_set_scratch_critical_state(dcb, state);
1753 }
1754 
bios_parser_get_firmware_info(struct dc_bios * dcb,struct dc_firmware_info * info)1755 static enum bp_result bios_parser_get_firmware_info(
1756 	struct dc_bios *dcb,
1757 	struct dc_firmware_info *info)
1758 {
1759 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1760 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
1761 	struct atom_common_table_header *header;
1762 
1763 	struct atom_data_revision revision;
1764 
1765 	if (info && DATA_TABLES(firmwareinfo)) {
1766 		header = GET_IMAGE(struct atom_common_table_header,
1767 				DATA_TABLES(firmwareinfo));
1768 		get_atom_data_table_revision(header, &revision);
1769 		switch (revision.major) {
1770 		case 3:
1771 			switch (revision.minor) {
1772 			case 1:
1773 				result = get_firmware_info_v3_1(bp, info);
1774 				break;
1775 			case 2:
1776 			case 3:
1777 				result = get_firmware_info_v3_2(bp, info);
1778 				break;
1779 			case 4:
1780 				result = get_firmware_info_v3_4(bp, info);
1781 				break;
1782 			case 5:
1783 				result = get_firmware_info_v3_5(bp, info);
1784 				break;
1785 			default:
1786 				break;
1787 			}
1788 			break;
1789 		default:
1790 			break;
1791 		}
1792 	}
1793 
1794 	return result;
1795 }
1796 
get_firmware_info_v3_1(struct bios_parser * bp,struct dc_firmware_info * info)1797 static enum bp_result get_firmware_info_v3_1(
1798 	struct bios_parser *bp,
1799 	struct dc_firmware_info *info)
1800 {
1801 	struct atom_firmware_info_v3_1 *firmware_info;
1802 	struct atom_firmware_info_v3_2 *firmware_info32;
1803 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1804 
1805 	if (!info)
1806 		return BP_RESULT_BADINPUT;
1807 
1808 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1809 			DATA_TABLES(firmwareinfo));
1810 	firmware_info32 = GET_IMAGE(struct atom_firmware_info_v3_2,
1811 			DATA_TABLES(firmwareinfo));
1812 
1813 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1814 			DATA_TABLES(dce_info));
1815 
1816 	if (!firmware_info || !firmware_info32 || !dce_info)
1817 		return BP_RESULT_BADBIOSTABLE;
1818 
1819 	memset(info, 0, sizeof(*info));
1820 
1821 	/* Pixel clock pll information. */
1822 	 /* We need to convert from 10KHz units into KHz units */
1823 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1824 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1825 
1826 	 /* 27MHz for Vega10: */
1827 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1828 
1829 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1830 	if (info->pll_info.crystal_frequency == 0)
1831 		info->pll_info.crystal_frequency = 27000;
1832 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1833 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1834 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1835 
1836 	/* Get GPU PLL VCO Clock */
1837 
1838 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1839 		/* VBIOS gives in 10KHz */
1840 		info->smu_gpu_pll_output_freq =
1841 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1842 	}
1843 
1844 	/* These fields are marked as reserved in v3_1, but they appear to be populated
1845 	 * properly.
1846 	 */
1847 	if (firmware_info32 && firmware_info32->board_i2c_feature_id == 0x2) {
1848 		info->oem_i2c_present = true;
1849 		info->oem_i2c_obj_id = firmware_info32->board_i2c_feature_gpio_id;
1850 	} else {
1851 		info->oem_i2c_present = false;
1852 	}
1853 
1854 	return BP_RESULT_OK;
1855 }
1856 
get_firmware_info_v3_2(struct bios_parser * bp,struct dc_firmware_info * info)1857 static enum bp_result get_firmware_info_v3_2(
1858 	struct bios_parser *bp,
1859 	struct dc_firmware_info *info)
1860 {
1861 	struct atom_firmware_info_v3_2 *firmware_info;
1862 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1863 	struct atom_common_table_header *header;
1864 	struct atom_data_revision revision;
1865 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1866 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1867 
1868 	if (!info)
1869 		return BP_RESULT_BADINPUT;
1870 
1871 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1872 			DATA_TABLES(firmwareinfo));
1873 
1874 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1875 			DATA_TABLES(dce_info));
1876 
1877 	if (!firmware_info || !dce_info)
1878 		return BP_RESULT_BADBIOSTABLE;
1879 
1880 	memset(info, 0, sizeof(*info));
1881 
1882 	header = GET_IMAGE(struct atom_common_table_header,
1883 					DATA_TABLES(smu_info));
1884 	get_atom_data_table_revision(header, &revision);
1885 
1886 	if (revision.minor == 2) {
1887 		/* Vega12 */
1888 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1889 							DATA_TABLES(smu_info));
1890 		if (!smu_info_v3_2)
1891 			return BP_RESULT_BADBIOSTABLE;
1892 
1893 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_2->gpuclk_ss_percentage);
1894 
1895 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1896 	} else if (revision.minor == 3) {
1897 		/* Vega20 */
1898 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1899 							DATA_TABLES(smu_info));
1900 		if (!smu_info_v3_3)
1901 			return BP_RESULT_BADBIOSTABLE;
1902 
1903 		DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_3->gpuclk_ss_percentage);
1904 
1905 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1906 	}
1907 
1908 	 // We need to convert from 10KHz units into KHz units.
1909 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1910 
1911 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1912 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1913 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1914 	if (info->pll_info.crystal_frequency == 0) {
1915 		if (revision.minor == 2)
1916 			info->pll_info.crystal_frequency = 27000;
1917 		else if (revision.minor == 3)
1918 			info->pll_info.crystal_frequency = 100000;
1919 	}
1920 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1921 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1922 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1923 
1924 	/* Get GPU PLL VCO Clock */
1925 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1926 		if (revision.minor == 2)
1927 			info->smu_gpu_pll_output_freq =
1928 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1929 		else if (revision.minor == 3)
1930 			info->smu_gpu_pll_output_freq =
1931 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1932 	}
1933 
1934 	if (firmware_info->board_i2c_feature_id == 0x2) {
1935 		info->oem_i2c_present = true;
1936 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1937 	} else {
1938 		info->oem_i2c_present = false;
1939 	}
1940 
1941 	return BP_RESULT_OK;
1942 }
1943 
get_firmware_info_v3_4(struct bios_parser * bp,struct dc_firmware_info * info)1944 static enum bp_result get_firmware_info_v3_4(
1945 	struct bios_parser *bp,
1946 	struct dc_firmware_info *info)
1947 {
1948 	struct atom_firmware_info_v3_4 *firmware_info;
1949 	struct atom_common_table_header *header;
1950 	struct atom_data_revision revision;
1951 	struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
1952 	struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
1953 
1954 	struct atom_smu_info_v3_5 *smu_info_v3_5 = NULL;
1955 	struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
1956 	struct atom_smu_info_v4_0 *smu_info_v4_0 = NULL;
1957 
1958 	if (!info)
1959 		return BP_RESULT_BADINPUT;
1960 
1961 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
1962 			DATA_TABLES(firmwareinfo));
1963 
1964 	if (!firmware_info)
1965 		return BP_RESULT_BADBIOSTABLE;
1966 
1967 	memset(info, 0, sizeof(*info));
1968 
1969 	header = GET_IMAGE(struct atom_common_table_header,
1970 					DATA_TABLES(dce_info));
1971 
1972 	get_atom_data_table_revision(header, &revision);
1973 
1974 	switch (revision.major) {
1975 	case 4:
1976 		switch (revision.minor) {
1977 		case 5:
1978 			dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
1979 							DATA_TABLES(dce_info));
1980 
1981 			if (!dce_info_v4_5)
1982 				return BP_RESULT_BADBIOSTABLE;
1983 
1984 			 /* 100MHz expected */
1985 			info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
1986 			info->dp_phy_ref_clk             = dce_info_v4_5->dpphy_refclk_10khz * 10;
1987 			 /* 50MHz expected */
1988 			info->i2c_engine_ref_clk         = dce_info_v4_5->i2c_engine_refclk_10khz * 10;
1989 
1990 			/* For DCN32/321 Display PLL VCO Frequency from dce_info_v4_5 may not be reliable */
1991 			break;
1992 
1993 		case 4:
1994 			dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
1995 							DATA_TABLES(dce_info));
1996 
1997 			if (!dce_info_v4_4)
1998 				return BP_RESULT_BADBIOSTABLE;
1999 
2000 			/* 100MHz expected */
2001 			info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10;
2002 			info->dp_phy_ref_clk             = dce_info_v4_4->dpphy_refclk_10khz * 10;
2003 			/* 50MHz expected */
2004 			info->i2c_engine_ref_clk         = dce_info_v4_4->i2c_engine_refclk_10khz * 10;
2005 
2006 			/* Get SMU Display PLL VCO Frequency in KHz*/
2007 			info->smu_gpu_pll_output_freq =	dce_info_v4_4->dispclk_pll_vco_freq * 10;
2008 			break;
2009 
2010 		default:
2011 			/* should not come here, keep as backup, as was before */
2012 			dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1,
2013 							DATA_TABLES(dce_info));
2014 
2015 			if (!dce_info_v4_1)
2016 				return BP_RESULT_BADBIOSTABLE;
2017 
2018 			info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10;
2019 			info->dp_phy_ref_clk             = dce_info_v4_1->dpphy_refclk_10khz * 10;
2020 			info->i2c_engine_ref_clk         = dce_info_v4_1->i2c_engine_refclk_10khz * 10;
2021 			break;
2022 		}
2023 		break;
2024 
2025 	default:
2026 		ASSERT(0);
2027 		break;
2028 	}
2029 
2030 	header = GET_IMAGE(struct atom_common_table_header,
2031 					DATA_TABLES(smu_info));
2032 	get_atom_data_table_revision(header, &revision);
2033 
2034 	switch (revision.major) {
2035 	case 3:
2036 		switch (revision.minor) {
2037 		case 5:
2038 			smu_info_v3_5 = GET_IMAGE(struct atom_smu_info_v3_5,
2039 							DATA_TABLES(smu_info));
2040 
2041 			if (!smu_info_v3_5)
2042 				return BP_RESULT_BADBIOSTABLE;
2043 			DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", smu_info_v3_5->gpuclk_ss_percentage);
2044 			info->default_engine_clk = smu_info_v3_5->bootup_dcefclk_10khz * 10;
2045 			break;
2046 
2047 		default:
2048 			break;
2049 		}
2050 		break;
2051 
2052 	case 4:
2053 		switch (revision.minor) {
2054 		case 0:
2055 			smu_info_v4_0 = GET_IMAGE(struct atom_smu_info_v4_0,
2056 							DATA_TABLES(smu_info));
2057 
2058 			if (!smu_info_v4_0)
2059 				return BP_RESULT_BADBIOSTABLE;
2060 
2061 			/* For DCN32/321 bootup DCFCLK from smu_info_v4_0 may not be reliable */
2062 			break;
2063 
2064 		default:
2065 			break;
2066 		}
2067 		break;
2068 
2069 	default:
2070 		break;
2071 	}
2072 
2073 	 // We need to convert from 10KHz units into KHz units.
2074 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
2075 
2076 	if (firmware_info->board_i2c_feature_id == 0x2) {
2077 		info->oem_i2c_present = true;
2078 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2079 	} else {
2080 		info->oem_i2c_present = false;
2081 	}
2082 
2083 	return BP_RESULT_OK;
2084 }
2085 
get_firmware_info_v3_5(struct bios_parser * bp,struct dc_firmware_info * info)2086 static enum bp_result get_firmware_info_v3_5(
2087 	struct bios_parser *bp,
2088 	struct dc_firmware_info *info)
2089 {
2090 	struct atom_firmware_info_v3_5 *firmware_info;
2091 	struct atom_common_table_header *header;
2092 	struct atom_data_revision revision;
2093 	struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
2094 
2095 	if (!info)
2096 		return BP_RESULT_BADINPUT;
2097 
2098 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_5,
2099 			DATA_TABLES(firmwareinfo));
2100 
2101 	if (!firmware_info)
2102 		return BP_RESULT_BADBIOSTABLE;
2103 
2104 	memset(info, 0, sizeof(*info));
2105 
2106 	if (firmware_info->board_i2c_feature_id == 0x2) {
2107 		info->oem_i2c_present = true;
2108 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2109 	} else {
2110 		info->oem_i2c_present = false;
2111 	}
2112 
2113 	header = GET_IMAGE(struct atom_common_table_header,
2114 					DATA_TABLES(dce_info));
2115 
2116 	get_atom_data_table_revision(header, &revision);
2117 
2118 	switch (revision.major) {
2119 	case 4:
2120 		switch (revision.minor) {
2121 		case 5:
2122 			dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
2123 							DATA_TABLES(dce_info));
2124 
2125 			if (!dce_info_v4_5)
2126 				return BP_RESULT_BADBIOSTABLE;
2127 
2128 			 /* 100MHz expected */
2129 			info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
2130 			break;
2131 		default:
2132 			break;
2133 		}
2134 		break;
2135 	default:
2136 		break;
2137 	}
2138 
2139 
2140 	return BP_RESULT_OK;
2141 }
2142 
bios_parser_get_encoder_cap_info(struct dc_bios * dcb,struct graphics_object_id object_id,struct bp_encoder_cap_info * info)2143 static enum bp_result bios_parser_get_encoder_cap_info(
2144 	struct dc_bios *dcb,
2145 	struct graphics_object_id object_id,
2146 	struct bp_encoder_cap_info *info)
2147 {
2148 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2149 	struct atom_display_object_path_v2 *object;
2150 	struct atom_encoder_caps_record *record = NULL;
2151 
2152 	if (!info)
2153 		return BP_RESULT_BADINPUT;
2154 
2155 #if defined(CONFIG_DRM_AMD_DC_FP)
2156 	/* encoder cap record not available in v1_5 */
2157 	if (bp->object_info_tbl.revision.minor == 5)
2158 		return BP_RESULT_NORECORD;
2159 #endif
2160 
2161 	object = get_bios_object(bp, object_id);
2162 
2163 	if (!object)
2164 		return BP_RESULT_BADINPUT;
2165 
2166 	record = get_encoder_cap_record(bp, object);
2167 	if (!record)
2168 		return BP_RESULT_NORECORD;
2169 	DC_LOG_BIOS("record->encodercaps 0x%x for object_id 0x%x", record->encodercaps, object_id.id);
2170 
2171 	info->DP_HBR2_CAP = (record->encodercaps &
2172 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
2173 	info->DP_HBR2_EN = (record->encodercaps &
2174 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
2175 	info->DP_HBR3_EN = (record->encodercaps &
2176 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
2177 	info->HDMI_6GB_EN = (record->encodercaps &
2178 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
2179 	info->IS_DP2_CAPABLE = (record->encodercaps &
2180 			ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
2181 	info->DP_UHBR10_EN = (record->encodercaps &
2182 			ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
2183 	info->DP_UHBR13_5_EN = (record->encodercaps &
2184 			ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
2185 	info->DP_UHBR20_EN = (record->encodercaps &
2186 			ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
2187 	info->DP_IS_USB_C = (record->encodercaps &
2188 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
2189 	DC_LOG_BIOS("\t info->DP_IS_USB_C %d", info->DP_IS_USB_C);
2190 
2191 	return BP_RESULT_OK;
2192 }
2193 
2194 
get_encoder_cap_record(struct bios_parser * bp,struct atom_display_object_path_v2 * object)2195 static struct atom_encoder_caps_record *get_encoder_cap_record(
2196 	struct bios_parser *bp,
2197 	struct atom_display_object_path_v2 *object)
2198 {
2199 	struct atom_common_record_header *header;
2200 	uint32_t offset;
2201 	int i;
2202 
2203 	if (!object) {
2204 		BREAK_TO_DEBUGGER(); /* Invalid object */
2205 		return NULL;
2206 	}
2207 
2208 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
2209 
2210 	for (i = 0; i < BIOS_MAX_NUM_RECORD; i++) {
2211 		header = GET_IMAGE(struct atom_common_record_header, offset);
2212 
2213 		if (!header)
2214 			return NULL;
2215 
2216 		offset += header->record_size;
2217 
2218 		if (header->record_type == LAST_RECORD_TYPE ||
2219 				!header->record_size)
2220 			break;
2221 
2222 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
2223 			continue;
2224 
2225 		if (sizeof(struct atom_encoder_caps_record) <=
2226 							header->record_size)
2227 			return (struct atom_encoder_caps_record *)header;
2228 	}
2229 
2230 	return NULL;
2231 }
2232 
get_disp_connector_caps_record(struct bios_parser * bp,struct atom_display_object_path_v2 * object)2233 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
2234 	struct bios_parser *bp,
2235 	struct atom_display_object_path_v2 *object)
2236 {
2237 	struct atom_common_record_header *header;
2238 	uint32_t offset;
2239 	int i;
2240 
2241 	if (!object) {
2242 		BREAK_TO_DEBUGGER(); /* Invalid object */
2243 		return NULL;
2244 	}
2245 
2246 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2247 
2248 	for (i = 0; i < BIOS_MAX_NUM_RECORD; i++) {
2249 		header = GET_IMAGE(struct atom_common_record_header, offset);
2250 
2251 		if (!header)
2252 			return NULL;
2253 
2254 		offset += header->record_size;
2255 
2256 		if (header->record_type == LAST_RECORD_TYPE ||
2257 				!header->record_size)
2258 			break;
2259 
2260 		if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
2261 			continue;
2262 
2263 		if (sizeof(struct atom_disp_connector_caps_record) <=
2264 							header->record_size)
2265 			return (struct atom_disp_connector_caps_record *)header;
2266 	}
2267 
2268 	return NULL;
2269 }
2270 
get_connector_caps_record(struct bios_parser * bp,struct atom_display_object_path_v3 * object)2271 static struct atom_connector_caps_record *get_connector_caps_record(struct bios_parser *bp,
2272 								    struct atom_display_object_path_v3 *object)
2273 {
2274 	struct atom_common_record_header *header;
2275 	uint32_t offset;
2276 	int i;
2277 
2278 	if (!object) {
2279 		BREAK_TO_DEBUGGER(); /* Invalid object */
2280 		return NULL;
2281 	}
2282 
2283 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2284 
2285 	for (i = 0; i < BIOS_MAX_NUM_RECORD; i++) {
2286 		header = GET_IMAGE(struct atom_common_record_header, offset);
2287 
2288 		if (!header)
2289 			return NULL;
2290 
2291 		offset += header->record_size;
2292 
2293 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2294 				!header->record_size)
2295 			break;
2296 
2297 		if (header->record_type != ATOM_CONNECTOR_CAP_RECORD_TYPE)
2298 			continue;
2299 
2300 		if (sizeof(struct atom_connector_caps_record) <= header->record_size)
2301 			return (struct atom_connector_caps_record *)header;
2302 	}
2303 
2304 	return NULL;
2305 }
2306 
bios_parser_get_disp_connector_caps_info(struct dc_bios * dcb,struct graphics_object_id object_id,struct bp_disp_connector_caps_info * info)2307 static enum bp_result bios_parser_get_disp_connector_caps_info(
2308 	struct dc_bios *dcb,
2309 	struct graphics_object_id object_id,
2310 	struct bp_disp_connector_caps_info *info)
2311 {
2312 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2313 	struct atom_display_object_path_v2 *object;
2314 	struct atom_display_object_path_v3 *object_path_v3;
2315 	struct atom_connector_caps_record *record_path_v3;
2316 	struct atom_disp_connector_caps_record *record = NULL;
2317 
2318 	if (!info)
2319 		return BP_RESULT_BADINPUT;
2320 
2321 	switch (bp->object_info_tbl.revision.minor) {
2322 	case 4:
2323 		default:
2324 			object = get_bios_object(bp, object_id);
2325 
2326 			if (!object)
2327 				return BP_RESULT_BADINPUT;
2328 
2329 			record = get_disp_connector_caps_record(bp, object);
2330 			if (!record)
2331 				return BP_RESULT_NORECORD;
2332 
2333 			info->INTERNAL_DISPLAY =
2334 				(record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) ? 1 : 0;
2335 			info->INTERNAL_DISPLAY_BL =
2336 				(record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) ? 1 : 0;
2337 			break;
2338 	case 5:
2339 		object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2340 
2341 		if (!object_path_v3)
2342 			return BP_RESULT_BADINPUT;
2343 
2344 		record_path_v3 = get_connector_caps_record(bp, object_path_v3);
2345 		if (!record_path_v3)
2346 			return BP_RESULT_NORECORD;
2347 
2348 		info->INTERNAL_DISPLAY = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
2349 									? 1 : 0;
2350 		info->INTERNAL_DISPLAY_BL = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
2351 										? 1 : 0;
2352 		break;
2353 	}
2354 
2355 	return BP_RESULT_OK;
2356 }
2357 
get_connector_speed_cap_record(struct bios_parser * bp,struct atom_display_object_path_v3 * object)2358 static struct atom_connector_speed_record *get_connector_speed_cap_record(struct bios_parser *bp,
2359 									  struct atom_display_object_path_v3 *object)
2360 {
2361 	struct atom_common_record_header *header;
2362 	uint32_t offset;
2363 	int i;
2364 
2365 	if (!object) {
2366 		BREAK_TO_DEBUGGER(); /* Invalid object */
2367 		return NULL;
2368 	}
2369 
2370 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2371 
2372 	for (i = 0; i < BIOS_MAX_NUM_RECORD; i++) {
2373 		header = GET_IMAGE(struct atom_common_record_header, offset);
2374 
2375 		if (!header)
2376 			return NULL;
2377 
2378 		offset += header->record_size;
2379 
2380 		if (header->record_type == ATOM_RECORD_END_TYPE ||
2381 				!header->record_size)
2382 			break;
2383 
2384 		if (header->record_type != ATOM_CONNECTOR_SPEED_UPTO)
2385 			continue;
2386 
2387 		if (sizeof(struct atom_connector_speed_record) <= header->record_size)
2388 			return (struct atom_connector_speed_record *)header;
2389 	}
2390 
2391 	return NULL;
2392 }
2393 
bios_parser_get_connector_speed_cap_info(struct dc_bios * dcb,struct graphics_object_id object_id,struct bp_connector_speed_cap_info * info)2394 static enum bp_result bios_parser_get_connector_speed_cap_info(
2395 	struct dc_bios *dcb,
2396 	struct graphics_object_id object_id,
2397 	struct bp_connector_speed_cap_info *info)
2398 {
2399 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2400 	struct atom_display_object_path_v3 *object_path_v3;
2401 	//struct atom_connector_speed_record *record = NULL;
2402 	struct atom_connector_speed_record *record;
2403 
2404 	if (!info)
2405 		return BP_RESULT_BADINPUT;
2406 
2407 	object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2408 
2409 	if (!object_path_v3)
2410 		return BP_RESULT_BADINPUT;
2411 
2412 	record = get_connector_speed_cap_record(bp, object_path_v3);
2413 	if (!record)
2414 		return BP_RESULT_NORECORD;
2415 
2416 	info->DP_HBR2_EN = (record->connector_max_speed >= 5400) ? 1 : 0;
2417 	info->DP_HBR3_EN = (record->connector_max_speed >= 8100) ? 1 : 0;
2418 	info->HDMI_6GB_EN = (record->connector_max_speed >= 5940) ? 1 : 0;
2419 	info->DP_UHBR10_EN = (record->connector_max_speed >= 10000) ? 1 : 0;
2420 	info->DP_UHBR13_5_EN = (record->connector_max_speed >= 13500) ? 1 : 0;
2421 	info->DP_UHBR20_EN = (record->connector_max_speed >= 20000) ? 1 : 0;
2422 	return BP_RESULT_OK;
2423 }
2424 
get_vram_info_v23(struct bios_parser * bp,struct dc_vram_info * info)2425 static enum bp_result get_vram_info_v23(
2426 	struct bios_parser *bp,
2427 	struct dc_vram_info *info)
2428 {
2429 	struct atom_vram_info_header_v2_3 *info_v23;
2430 	static enum bp_result result = BP_RESULT_OK;
2431 
2432 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
2433 						DATA_TABLES(vram_info));
2434 
2435 	if (info_v23 == NULL)
2436 		return BP_RESULT_BADBIOSTABLE;
2437 
2438 	info->num_chans = info_v23->vram_module[0].channel_num;
2439 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
2440 
2441 	return result;
2442 }
2443 
get_vram_info_v24(struct bios_parser * bp,struct dc_vram_info * info)2444 static enum bp_result get_vram_info_v24(
2445 	struct bios_parser *bp,
2446 	struct dc_vram_info *info)
2447 {
2448 	struct atom_vram_info_header_v2_4 *info_v24;
2449 	static enum bp_result result = BP_RESULT_OK;
2450 
2451 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
2452 						DATA_TABLES(vram_info));
2453 
2454 	if (info_v24 == NULL)
2455 		return BP_RESULT_BADBIOSTABLE;
2456 
2457 	info->num_chans = info_v24->vram_module[0].channel_num;
2458 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
2459 
2460 	return result;
2461 }
2462 
get_vram_info_v25(struct bios_parser * bp,struct dc_vram_info * info)2463 static enum bp_result get_vram_info_v25(
2464 	struct bios_parser *bp,
2465 	struct dc_vram_info *info)
2466 {
2467 	struct atom_vram_info_header_v2_5 *info_v25;
2468 	static enum bp_result result = BP_RESULT_OK;
2469 
2470 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
2471 						DATA_TABLES(vram_info));
2472 
2473 	if (info_v25 == NULL)
2474 		return BP_RESULT_BADBIOSTABLE;
2475 
2476 	info->num_chans = info_v25->vram_module[0].channel_num;
2477 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
2478 
2479 	return result;
2480 }
2481 
get_vram_info_v30(struct bios_parser * bp,struct dc_vram_info * info)2482 static enum bp_result get_vram_info_v30(
2483 	struct bios_parser *bp,
2484 	struct dc_vram_info *info)
2485 {
2486 	struct atom_vram_info_header_v3_0 *info_v30;
2487 	enum bp_result result = BP_RESULT_OK;
2488 
2489 	info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
2490 						DATA_TABLES(vram_info));
2491 
2492 	if (info_v30 == NULL)
2493 		return BP_RESULT_BADBIOSTABLE;
2494 
2495 	info->num_chans = info_v30->channel_num;
2496 	info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
2497 
2498 	return result;
2499 }
2500 
get_vram_info_from_umc_info_v40(struct bios_parser * bp,struct dc_vram_info * info)2501 static enum bp_result get_vram_info_from_umc_info_v40(
2502 		struct bios_parser *bp,
2503 		struct dc_vram_info *info)
2504 {
2505 	struct atom_umc_info_v4_0 *info_v40;
2506 	enum bp_result result = BP_RESULT_OK;
2507 
2508 	info_v40 = GET_IMAGE(struct atom_umc_info_v4_0,
2509 						DATA_TABLES(umc_info));
2510 
2511 	if (info_v40 == NULL)
2512 		return BP_RESULT_BADBIOSTABLE;
2513 
2514 	info->num_chans = info_v40->channel_num;
2515 	info->dram_channel_width_bytes = (1 << info_v40->channel_width) / 8;
2516 
2517 	return result;
2518 }
2519 
2520 /*
2521  * get_integrated_info_v11
2522  *
2523  * @brief
2524  * Get V8 integrated BIOS information
2525  *
2526  * @param
2527  * bios_parser *bp - [in]BIOS parser handler to get master data table
2528  * integrated_info *info - [out] store and output integrated info
2529  *
2530  * @return
2531  * static enum bp_result - BP_RESULT_OK if information is available,
2532  *                  BP_RESULT_BADBIOSTABLE otherwise.
2533  */
get_integrated_info_v11(struct bios_parser * bp,struct integrated_info * info)2534 static enum bp_result get_integrated_info_v11(
2535 	struct bios_parser *bp,
2536 	struct integrated_info *info)
2537 {
2538 	struct atom_integrated_system_info_v1_11 *info_v11;
2539 	uint32_t i;
2540 
2541 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
2542 					DATA_TABLES(integratedsysteminfo));
2543 
2544 	if (info_v11 == NULL)
2545 		return BP_RESULT_BADBIOSTABLE;
2546 
2547 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v11->gpuclk_ss_percentage);
2548 
2549 	info->gpu_cap_info =
2550 	le32_to_cpu(info_v11->gpucapinfo);
2551 	/*
2552 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2553 	*                       = 1 : PCIE power gating enabled
2554 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2555 	*                       = 1 : DDR-PLL shut down enabled
2556 	*                Bit[2] = 0 : DDR-PLL power down disabled
2557 	*                       = 1 : DDR-PLL power down enabled
2558 	*/
2559 	info->system_config = le32_to_cpu(info_v11->system_config);
2560 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
2561 	info->memory_type = info_v11->memorytype;
2562 	info->ma_channel_number = info_v11->umachannelnumber;
2563 	info->lvds_ss_percentage =
2564 	le16_to_cpu(info_v11->lvds_ss_percentage);
2565 	info->dp_ss_control =
2566 	le16_to_cpu(info_v11->reserved1);
2567 	info->lvds_sspread_rate_in_10hz =
2568 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
2569 	info->hdmi_ss_percentage =
2570 	le16_to_cpu(info_v11->hdmi_ss_percentage);
2571 	info->hdmi_sspread_rate_in_10hz =
2572 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
2573 	info->dvi_ss_percentage =
2574 	le16_to_cpu(info_v11->dvi_ss_percentage);
2575 	info->dvi_sspread_rate_in_10_hz =
2576 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
2577 	info->lvds_misc = info_v11->lvds_misc;
2578 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2579 		info->ext_disp_conn_info.gu_id[i] =
2580 				info_v11->extdispconninfo.guid[i];
2581 	}
2582 
2583 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2584 		info->ext_disp_conn_info.path[i].device_connector_id =
2585 		object_id_from_bios_object_id(
2586 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
2587 
2588 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2589 		object_id_from_bios_object_id(
2590 			le16_to_cpu(
2591 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
2592 
2593 		info->ext_disp_conn_info.path[i].device_tag =
2594 			le16_to_cpu(
2595 				info_v11->extdispconninfo.path[i].device_tag);
2596 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2597 		le16_to_cpu(
2598 			info_v11->extdispconninfo.path[i].device_acpi_enum);
2599 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2600 			info_v11->extdispconninfo.path[i].auxddclut_index;
2601 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2602 			info_v11->extdispconninfo.path[i].hpdlut_index;
2603 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2604 			info_v11->extdispconninfo.path[i].channelmapping;
2605 		info->ext_disp_conn_info.path[i].caps =
2606 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
2607 	}
2608 	info->ext_disp_conn_info.checksum =
2609 	info_v11->extdispconninfo.checksum;
2610 
2611 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
2612 	info->dp0_ext_hdmi_reg_num = min_t(u8, info_v11->dp0_retimer_set.HdmiRegNum,
2613 					    ARRAY_SIZE(info->dp0_ext_hdmi_reg_settings));
2614 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2615 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2616 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2617 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2618 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2619 	}
2620 	info->dp0_ext_hdmi_6g_reg_num = min_t(u8, info_v11->dp0_retimer_set.Hdmi6GRegNum,
2621 					       ARRAY_SIZE(info->dp0_ext_hdmi_6g_reg_settings));
2622 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2623 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2624 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2625 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2626 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2627 	}
2628 
2629 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
2630 	info->dp1_ext_hdmi_reg_num = min_t(u8, info_v11->dp1_retimer_set.HdmiRegNum,
2631 					    ARRAY_SIZE(info->dp1_ext_hdmi_reg_settings));
2632 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2633 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2634 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2635 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2636 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2637 	}
2638 	info->dp1_ext_hdmi_6g_reg_num = min_t(u8, info_v11->dp1_retimer_set.Hdmi6GRegNum,
2639 					       ARRAY_SIZE(info->dp1_ext_hdmi_6g_reg_settings));
2640 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2641 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2642 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2643 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2644 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2645 	}
2646 
2647 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
2648 	info->dp2_ext_hdmi_reg_num = min_t(u8, info_v11->dp2_retimer_set.HdmiRegNum,
2649 					    ARRAY_SIZE(info->dp2_ext_hdmi_reg_settings));
2650 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2651 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2652 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2653 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2654 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2655 	}
2656 	info->dp2_ext_hdmi_6g_reg_num = min_t(u8, info_v11->dp2_retimer_set.Hdmi6GRegNum,
2657 					       ARRAY_SIZE(info->dp2_ext_hdmi_6g_reg_settings));
2658 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2659 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2660 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2661 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2662 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2663 	}
2664 
2665 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
2666 	info->dp3_ext_hdmi_reg_num = min_t(u8, info_v11->dp3_retimer_set.HdmiRegNum,
2667 					    ARRAY_SIZE(info->dp3_ext_hdmi_reg_settings));
2668 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2669 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2670 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2671 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2672 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2673 	}
2674 	info->dp3_ext_hdmi_6g_reg_num = min_t(u8, info_v11->dp3_retimer_set.Hdmi6GRegNum,
2675 					       ARRAY_SIZE(info->dp3_ext_hdmi_6g_reg_settings));
2676 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2677 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2678 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2679 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2680 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2681 	}
2682 
2683 
2684 	/** TODO - review **/
2685 	#if 0
2686 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
2687 									* 10;
2688 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
2689 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
2690 
2691 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2692 		/* Convert [10KHz] into [KHz] */
2693 		info->disp_clk_voltage[i].max_supported_clk =
2694 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
2695 			ulMaximumSupportedCLK) * 10;
2696 		info->disp_clk_voltage[i].voltage_index =
2697 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
2698 	}
2699 
2700 	info->boot_up_req_display_vector =
2701 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
2702 	info->boot_up_nb_voltage =
2703 			le16_to_cpu(info_v11->usBootUpNBVoltage);
2704 	info->ext_disp_conn_info_offset =
2705 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
2706 	info->gmc_restore_reset_time =
2707 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
2708 	info->minimum_n_clk =
2709 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
2710 	for (i = 1; i < 4; ++i)
2711 		info->minimum_n_clk =
2712 				info->minimum_n_clk <
2713 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
2714 				info->minimum_n_clk : le32_to_cpu(
2715 					info_v11->ulNbpStateNClkFreq[i]);
2716 
2717 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
2718 	info->ddr_dll_power_up_time =
2719 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
2720 	info->ddr_pll_power_up_time =
2721 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
2722 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
2723 	info->max_lvds_pclk_freq_in_single_link =
2724 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2725 	info->max_lvds_pclk_freq_in_single_link =
2726 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2727 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
2728 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
2729 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
2730 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
2731 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
2732 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
2733 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
2734 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
2735 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
2736 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
2737 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
2738 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
2739 	info->lvds_off_to_on_delay_in_4ms =
2740 		info_v11->ucLVDSOffToOnDelay_in4Ms;
2741 	info->lvds_bit_depth_control_val =
2742 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
2743 
2744 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
2745 		/* Convert [10KHz] into [KHz] */
2746 		info->avail_s_clk[i].supported_s_clk =
2747 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
2748 									* 10;
2749 		info->avail_s_clk[i].voltage_index =
2750 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
2751 		info->avail_s_clk[i].voltage_id =
2752 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
2753 	}
2754 	#endif /* TODO*/
2755 
2756 	return BP_RESULT_OK;
2757 }
2758 
get_integrated_info_v2_1(struct bios_parser * bp,struct integrated_info * info)2759 static enum bp_result get_integrated_info_v2_1(
2760 	struct bios_parser *bp,
2761 	struct integrated_info *info)
2762 {
2763 	struct atom_integrated_system_info_v2_1 *info_v2_1;
2764 	uint32_t i;
2765 
2766 	info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
2767 					DATA_TABLES(integratedsysteminfo));
2768 
2769 	if (info_v2_1 == NULL)
2770 		return BP_RESULT_BADBIOSTABLE;
2771 
2772 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_1->gpuclk_ss_percentage);
2773 
2774 	info->gpu_cap_info =
2775 	le32_to_cpu(info_v2_1->gpucapinfo);
2776 	/*
2777 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2778 	*                       = 1 : PCIE power gating enabled
2779 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2780 	*                       = 1 : DDR-PLL shut down enabled
2781 	*                Bit[2] = 0 : DDR-PLL power down disabled
2782 	*                       = 1 : DDR-PLL power down enabled
2783 	*/
2784 	info->system_config = le32_to_cpu(info_v2_1->system_config);
2785 	info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
2786 	info->memory_type = info_v2_1->memorytype;
2787 	info->ma_channel_number = info_v2_1->umachannelnumber;
2788 	info->dp_ss_control =
2789 		le16_to_cpu(info_v2_1->reserved1);
2790 
2791 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2792 		info->ext_disp_conn_info.gu_id[i] =
2793 				info_v2_1->extdispconninfo.guid[i];
2794 	}
2795 
2796 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2797 		info->ext_disp_conn_info.path[i].device_connector_id =
2798 		object_id_from_bios_object_id(
2799 		le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
2800 
2801 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2802 		object_id_from_bios_object_id(
2803 			le16_to_cpu(
2804 			info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
2805 
2806 		info->ext_disp_conn_info.path[i].device_tag =
2807 			le16_to_cpu(
2808 				info_v2_1->extdispconninfo.path[i].device_tag);
2809 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2810 		le16_to_cpu(
2811 			info_v2_1->extdispconninfo.path[i].device_acpi_enum);
2812 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2813 			info_v2_1->extdispconninfo.path[i].auxddclut_index;
2814 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2815 			info_v2_1->extdispconninfo.path[i].hpdlut_index;
2816 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2817 			info_v2_1->extdispconninfo.path[i].channelmapping;
2818 		info->ext_disp_conn_info.path[i].caps =
2819 				le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
2820 	}
2821 
2822 	info->ext_disp_conn_info.checksum =
2823 		info_v2_1->extdispconninfo.checksum;
2824 	info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
2825 	info->dp0_ext_hdmi_reg_num = min_t(u8, info_v2_1->dp0_retimer_set.HdmiRegNum,
2826 					    ARRAY_SIZE(info->dp0_ext_hdmi_reg_settings));
2827 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2828 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2829 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2830 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2831 				info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2832 	}
2833 	info->dp0_ext_hdmi_6g_reg_num = min_t(u8, info_v2_1->dp0_retimer_set.Hdmi6GRegNum,
2834 					       ARRAY_SIZE(info->dp0_ext_hdmi_6g_reg_settings));
2835 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2836 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2837 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2838 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2839 				info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2840 	}
2841 	info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
2842 	info->dp1_ext_hdmi_reg_num = min_t(u8, info_v2_1->dp1_retimer_set.HdmiRegNum,
2843 					    ARRAY_SIZE(info->dp1_ext_hdmi_reg_settings));
2844 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2845 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2846 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2847 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2848 				info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2849 	}
2850 	info->dp1_ext_hdmi_6g_reg_num = min_t(u8, info_v2_1->dp1_retimer_set.Hdmi6GRegNum,
2851 					       ARRAY_SIZE(info->dp1_ext_hdmi_6g_reg_settings));
2852 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2853 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2854 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2855 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2856 				info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2857 	}
2858 	info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
2859 	info->dp2_ext_hdmi_reg_num = min_t(u8, info_v2_1->dp2_retimer_set.HdmiRegNum,
2860 					    ARRAY_SIZE(info->dp2_ext_hdmi_reg_settings));
2861 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2862 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2863 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2864 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2865 				info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2866 	}
2867 	info->dp2_ext_hdmi_6g_reg_num = min_t(u8, info_v2_1->dp2_retimer_set.Hdmi6GRegNum,
2868 					       ARRAY_SIZE(info->dp2_ext_hdmi_6g_reg_settings));
2869 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2870 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2871 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2872 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2873 				info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2874 	}
2875 	info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
2876 	info->dp3_ext_hdmi_reg_num = min_t(u8, info_v2_1->dp3_retimer_set.HdmiRegNum,
2877 					    ARRAY_SIZE(info->dp3_ext_hdmi_reg_settings));
2878 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2879 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2880 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2881 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2882 				info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2883 	}
2884 	info->dp3_ext_hdmi_6g_reg_num = min_t(u8, info_v2_1->dp3_retimer_set.Hdmi6GRegNum,
2885 					       ARRAY_SIZE(info->dp3_ext_hdmi_6g_reg_settings));
2886 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2887 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2888 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2889 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2890 				info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2891 	}
2892 
2893 	info->edp1_info.edp_backlight_pwm_hz =
2894 	le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
2895 	info->edp1_info.edp_ss_percentage =
2896 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
2897 	info->edp1_info.edp_ss_rate_10hz =
2898 	le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
2899 	info->edp1_info.edp_pwr_on_off_delay =
2900 		info_v2_1->edp1_info.edp_pwr_on_off_delay;
2901 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2902 		info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
2903 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2904 		info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2905 	info->edp1_info.edp_panel_bpc =
2906 		info_v2_1->edp1_info.edp_panel_bpc;
2907 	info->edp1_info.edp_bootup_bl_level = info_v2_1->edp1_info.edp_bootup_bl_level;
2908 
2909 	info->edp2_info.edp_backlight_pwm_hz =
2910 	le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
2911 	info->edp2_info.edp_ss_percentage =
2912 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
2913 	info->edp2_info.edp_ss_rate_10hz =
2914 	le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
2915 	info->edp2_info.edp_pwr_on_off_delay =
2916 		info_v2_1->edp2_info.edp_pwr_on_off_delay;
2917 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2918 		info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
2919 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2920 		info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2921 	info->edp2_info.edp_panel_bpc =
2922 		info_v2_1->edp2_info.edp_panel_bpc;
2923 	info->edp2_info.edp_bootup_bl_level =
2924 		info_v2_1->edp2_info.edp_bootup_bl_level;
2925 
2926 	return BP_RESULT_OK;
2927 }
2928 
get_integrated_info_v2_2(struct bios_parser * bp,struct integrated_info * info)2929 static enum bp_result get_integrated_info_v2_2(
2930 	struct bios_parser *bp,
2931 	struct integrated_info *info)
2932 {
2933 	struct atom_integrated_system_info_v2_2 *info_v2_2;
2934 	uint32_t i;
2935 
2936 	info_v2_2 = GET_IMAGE(struct atom_integrated_system_info_v2_2,
2937 					DATA_TABLES(integratedsysteminfo));
2938 
2939 	if (info_v2_2 == NULL)
2940 		return BP_RESULT_BADBIOSTABLE;
2941 
2942 	DC_LOG_BIOS("gpuclk_ss_percentage (unit of 0.001 percent): %d\n", info_v2_2->gpuclk_ss_percentage);
2943 
2944 	info->gpu_cap_info =
2945 	le32_to_cpu(info_v2_2->gpucapinfo);
2946 	/*
2947 	* system_config: Bit[0] = 0 : PCIE power gating disabled
2948 	*                       = 1 : PCIE power gating enabled
2949 	*                Bit[1] = 0 : DDR-PLL shut down disabled
2950 	*                       = 1 : DDR-PLL shut down enabled
2951 	*                Bit[2] = 0 : DDR-PLL power down disabled
2952 	*                       = 1 : DDR-PLL power down enabled
2953 	*/
2954 	info->system_config = le32_to_cpu(info_v2_2->system_config);
2955 	info->cpu_cap_info = le32_to_cpu(info_v2_2->cpucapinfo);
2956 	info->memory_type = info_v2_2->memorytype;
2957 	info->ma_channel_number = info_v2_2->umachannelnumber;
2958 	info->dp_ss_control =
2959 		le16_to_cpu(info_v2_2->reserved1);
2960 	info->gpuclk_ss_percentage = info_v2_2->gpuclk_ss_percentage;
2961 	info->gpuclk_ss_type = info_v2_2->gpuclk_ss_type;
2962 
2963 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2964 		info->ext_disp_conn_info.gu_id[i] =
2965 				info_v2_2->extdispconninfo.guid[i];
2966 	}
2967 
2968 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2969 		info->ext_disp_conn_info.path[i].device_connector_id =
2970 		object_id_from_bios_object_id(
2971 		le16_to_cpu(info_v2_2->extdispconninfo.path[i].connectorobjid));
2972 
2973 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2974 		object_id_from_bios_object_id(
2975 			le16_to_cpu(
2976 			info_v2_2->extdispconninfo.path[i].ext_encoder_objid));
2977 
2978 		info->ext_disp_conn_info.path[i].device_tag =
2979 			le16_to_cpu(
2980 				info_v2_2->extdispconninfo.path[i].device_tag);
2981 		info->ext_disp_conn_info.path[i].device_acpi_enum =
2982 		le16_to_cpu(
2983 			info_v2_2->extdispconninfo.path[i].device_acpi_enum);
2984 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2985 			info_v2_2->extdispconninfo.path[i].auxddclut_index;
2986 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2987 			info_v2_2->extdispconninfo.path[i].hpdlut_index;
2988 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
2989 			info_v2_2->extdispconninfo.path[i].channelmapping;
2990 		info->ext_disp_conn_info.path[i].caps =
2991 				le16_to_cpu(info_v2_2->extdispconninfo.path[i].caps);
2992 	}
2993 
2994 	info->ext_disp_conn_info.checksum =
2995 		info_v2_2->extdispconninfo.checksum;
2996 	info->ext_disp_conn_info.fixdpvoltageswing =
2997 		info_v2_2->extdispconninfo.fixdpvoltageswing;
2998 
2999 	info->edp1_info.edp_backlight_pwm_hz =
3000 	le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz);
3001 	info->edp1_info.edp_ss_percentage =
3002 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_percentage);
3003 	info->edp1_info.edp_ss_rate_10hz =
3004 	le16_to_cpu(info_v2_2->edp1_info.edp_ss_rate_10hz);
3005 	info->edp1_info.edp_pwr_on_off_delay =
3006 		info_v2_2->edp1_info.edp_pwr_on_off_delay;
3007 	info->edp1_info.edp_pwr_on_vary_bl_to_blon =
3008 		info_v2_2->edp1_info.edp_pwr_on_vary_bl_to_blon;
3009 	info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
3010 		info_v2_2->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
3011 	info->edp1_info.edp_panel_bpc =
3012 		info_v2_2->edp1_info.edp_panel_bpc;
3013 	info->edp1_info.edp_bootup_bl_level =
3014 
3015 	info->edp2_info.edp_backlight_pwm_hz =
3016 	le16_to_cpu(info_v2_2->edp2_info.edp_backlight_pwm_hz);
3017 	info->edp2_info.edp_ss_percentage =
3018 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_percentage);
3019 	info->edp2_info.edp_ss_rate_10hz =
3020 	le16_to_cpu(info_v2_2->edp2_info.edp_ss_rate_10hz);
3021 	info->edp2_info.edp_pwr_on_off_delay =
3022 		info_v2_2->edp2_info.edp_pwr_on_off_delay;
3023 	info->edp2_info.edp_pwr_on_vary_bl_to_blon =
3024 		info_v2_2->edp2_info.edp_pwr_on_vary_bl_to_blon;
3025 	info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
3026 		info_v2_2->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
3027 	info->edp2_info.edp_panel_bpc =
3028 		info_v2_2->edp2_info.edp_panel_bpc;
3029 	info->edp2_info.edp_bootup_bl_level =
3030 		info_v2_2->edp2_info.edp_bootup_bl_level;
3031 
3032 	return BP_RESULT_OK;
3033 }
3034 
3035 /*
3036  * construct_integrated_info
3037  *
3038  * @brief
3039  * Get integrated BIOS information based on table revision
3040  *
3041  * @param
3042  * bios_parser *bp - [in]BIOS parser handler to get master data table
3043  * integrated_info *info - [out] store and output integrated info
3044  *
3045  * @return
3046  * static enum bp_result - BP_RESULT_OK if information is available,
3047  *                  BP_RESULT_BADBIOSTABLE otherwise.
3048  */
construct_integrated_info(struct bios_parser * bp,struct integrated_info * info)3049 static enum bp_result construct_integrated_info(
3050 	struct bios_parser *bp,
3051 	struct integrated_info *info)
3052 {
3053 	static enum bp_result result = BP_RESULT_BADBIOSTABLE;
3054 
3055 	struct atom_common_table_header *header;
3056 	struct atom_data_revision revision;
3057 
3058 	int32_t i;
3059 	int32_t j;
3060 
3061 	if (!info)
3062 		return result;
3063 
3064 	if (info && DATA_TABLES(integratedsysteminfo)) {
3065 		header = GET_IMAGE(struct atom_common_table_header,
3066 					DATA_TABLES(integratedsysteminfo));
3067 
3068 		get_atom_data_table_revision(header, &revision);
3069 
3070 		switch (revision.major) {
3071 		case 1:
3072 			switch (revision.minor) {
3073 			case 11:
3074 			case 12:
3075 				result = get_integrated_info_v11(bp, info);
3076 				break;
3077 			default:
3078 				return result;
3079 			}
3080 			break;
3081 		case 2:
3082 			switch (revision.minor) {
3083 			case 1:
3084 				result = get_integrated_info_v2_1(bp, info);
3085 				break;
3086 			case 2:
3087 			case 3:
3088 				result = get_integrated_info_v2_2(bp, info);
3089 				break;
3090 			default:
3091 				return result;
3092 			}
3093 			break;
3094 		default:
3095 			return result;
3096 		}
3097 		if (result == BP_RESULT_OK) {
3098 
3099 			DC_LOG_BIOS("edp1:\n"
3100 						"\tedp_pwr_on_off_delay = %d\n"
3101 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
3102 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
3103 						"\tedp_bootup_bl_level = %d\n",
3104 						info->edp1_info.edp_pwr_on_off_delay,
3105 						info->edp1_info.edp_pwr_on_vary_bl_to_blon,
3106 						info->edp1_info.edp_pwr_down_bloff_to_vary_bloff,
3107 						info->edp1_info.edp_bootup_bl_level);
3108 			DC_LOG_BIOS("edp2:\n"
3109 						"\tedp_pwr_on_off_delayv = %d\n"
3110 						"\tedp_pwr_on_vary_bl_to_blon = %d\n"
3111 						"\tedp_pwr_down_bloff_to_vary_bloff = %d\n"
3112 						"\tedp_bootup_bl_level = %d\n",
3113 						info->edp2_info.edp_pwr_on_off_delay,
3114 						info->edp2_info.edp_pwr_on_vary_bl_to_blon,
3115 						info->edp2_info.edp_pwr_down_bloff_to_vary_bloff,
3116 						info->edp2_info.edp_bootup_bl_level);
3117 		}
3118 	}
3119 
3120 	if (result != BP_RESULT_OK)
3121 		return result;
3122 	else {
3123 		// Log each external path
3124 		for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
3125 			if (info->ext_disp_conn_info.path[i].device_tag != 0)
3126 				DC_LOG_BIOS("integrated_info:For EXTERNAL DISPLAY PATH %d --------------\n"
3127 						"DEVICE_TAG: 0x%x\n"
3128 						"DEVICE_ACPI_ENUM: 0x%x\n"
3129 						"DEVICE_CONNECTOR_ID: 0x%x\n"
3130 						"EXT_AUX_DDC_LUT_INDEX: %d\n"
3131 						"EXT_HPD_PIN_LUT_INDEX: %d\n"
3132 						"EXT_ENCODER_OBJ_ID: 0x%x\n"
3133 						"Encoder CAPS: 0x%x\n",
3134 						i,
3135 						info->ext_disp_conn_info.path[i].device_tag,
3136 						info->ext_disp_conn_info.path[i].device_acpi_enum,
3137 						info->ext_disp_conn_info.path[i].device_connector_id.id,
3138 						info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index,
3139 						info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index,
3140 						info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id,
3141 						info->ext_disp_conn_info.path[i].caps
3142 						);
3143 			if ((info->ext_disp_conn_info.path[i].caps & AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK) == AMD_EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN)
3144 				DC_LOG_BIOS("BIOS AMD_EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3145 			else if (bp->base.ctx->dc->config.force_bios_fixed_vs) {
3146 				info->ext_disp_conn_info.path[i].caps &= ~AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
3147 				info->ext_disp_conn_info.path[i].caps |= AMD_EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN;
3148 				DC_LOG_BIOS("driver forced AMD_EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i);
3149 			}
3150 		}
3151 		// Log the Checksum and Voltage Swing
3152 		DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n"
3153 					"Integrated info table FIX_DP_VOLTAGE_SWING: %d\n",
3154 					info->ext_disp_conn_info.checksum,
3155 					info->ext_disp_conn_info.fixdpvoltageswing);
3156 		if (bp->base.ctx->dc->config.force_bios_fixed_vs && info->ext_disp_conn_info.fixdpvoltageswing == 0) {
3157 			info->ext_disp_conn_info.fixdpvoltageswing = bp->base.ctx->dc->config.force_bios_fixed_vs & 0xF;
3158 			DC_LOG_BIOS("driver forced fixdpvoltageswing = %d\n", info->ext_disp_conn_info.fixdpvoltageswing);
3159 		}
3160 	}
3161 	/* Sort voltage table from low to high*/
3162 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
3163 		for (j = i; j > 0; --j) {
3164 			if (info->disp_clk_voltage[j].max_supported_clk <
3165 			    info->disp_clk_voltage[j-1].max_supported_clk)
3166 				swap(info->disp_clk_voltage[j-1], info->disp_clk_voltage[j]);
3167 		}
3168 	}
3169 
3170 	return result;
3171 }
3172 
bios_parser_get_vram_info(struct dc_bios * dcb,struct dc_vram_info * info)3173 static enum bp_result bios_parser_get_vram_info(
3174 		struct dc_bios *dcb,
3175 		struct dc_vram_info *info)
3176 {
3177 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3178 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
3179 	struct atom_common_table_header *header;
3180 	struct atom_data_revision revision;
3181 
3182 	// vram info moved to umc_info for DCN4x
3183 	if (info && DATA_TABLES(umc_info)) {
3184 		header = GET_IMAGE(struct atom_common_table_header,
3185 					DATA_TABLES(umc_info));
3186 
3187 		get_atom_data_table_revision(header, &revision);
3188 
3189 		switch (revision.major) {
3190 		case 4:
3191 			switch (revision.minor) {
3192 			case 0:
3193 				result = get_vram_info_from_umc_info_v40(bp, info);
3194 				break;
3195 			default:
3196 				break;
3197 			}
3198 			break;
3199 		default:
3200 			break;
3201 		}
3202 	}
3203 
3204 	if (result != BP_RESULT_OK && info && DATA_TABLES(vram_info)) {
3205 		header = GET_IMAGE(struct atom_common_table_header,
3206 					DATA_TABLES(vram_info));
3207 
3208 		get_atom_data_table_revision(header, &revision);
3209 
3210 		switch (revision.major) {
3211 		case 2:
3212 			switch (revision.minor) {
3213 			case 3:
3214 				result = get_vram_info_v23(bp, info);
3215 				break;
3216 			case 4:
3217 				result = get_vram_info_v24(bp, info);
3218 				break;
3219 			case 5:
3220 				result = get_vram_info_v25(bp, info);
3221 				break;
3222 			default:
3223 				break;
3224 			}
3225 			break;
3226 
3227 		case 3:
3228 			switch (revision.minor) {
3229 			case 0:
3230 				result = get_vram_info_v30(bp, info);
3231 				break;
3232 			default:
3233 				break;
3234 			}
3235 			break;
3236 
3237 		default:
3238 			return result;
3239 		}
3240 
3241 	}
3242 	return result;
3243 }
3244 
bios_parser_create_integrated_info(struct dc_bios * dcb)3245 static struct integrated_info *bios_parser_create_integrated_info(
3246 	struct dc_bios *dcb)
3247 {
3248 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3249 	struct integrated_info *info;
3250 
3251 	info = kzalloc_obj(struct integrated_info);
3252 
3253 	if (info == NULL) {
3254 		ASSERT_CRITICAL(0);
3255 		return NULL;
3256 	}
3257 
3258 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
3259 		return info;
3260 
3261 	kfree(info);
3262 
3263 	return NULL;
3264 }
3265 
update_slot_layout_info(struct dc_bios * dcb,unsigned int i,struct slot_layout_info * slot_layout_info)3266 static enum bp_result update_slot_layout_info(
3267 	struct dc_bios *dcb,
3268 	unsigned int i,
3269 	struct slot_layout_info *slot_layout_info)
3270 {
3271 	unsigned int record_offset;
3272 	unsigned int j;
3273 	unsigned int n;
3274 	struct atom_display_object_path_v2 *object;
3275 	struct atom_bracket_layout_record *record;
3276 	struct atom_common_record_header *record_header;
3277 	static enum bp_result result;
3278 	struct bios_parser *bp;
3279 	struct object_info_table *tbl;
3280 	struct display_object_info_table_v1_4 *v1_4;
3281 
3282 	record = NULL;
3283 	record_header = NULL;
3284 	result = BP_RESULT_NORECORD;
3285 
3286 	bp = BP_FROM_DCB(dcb);
3287 	tbl = &bp->object_info_tbl;
3288 	v1_4 = tbl->v1_4;
3289 
3290 	object = &v1_4->display_path[i];
3291 	record_offset = (unsigned int)
3292 		(object->disp_recordoffset) +
3293 		(unsigned int)(bp->object_info_tbl_offset);
3294 
3295 	for (n = 0; n < BIOS_MAX_NUM_RECORD; n++) {
3296 
3297 		record_header = (struct atom_common_record_header *)
3298 			GET_IMAGE(struct atom_common_record_header,
3299 			record_offset);
3300 		if (record_header == NULL) {
3301 			result = BP_RESULT_BADBIOSTABLE;
3302 			break;
3303 		}
3304 
3305 		/* the end of the list */
3306 		if (record_header->record_type == 0xff ||
3307 			record_header->record_size == 0)	{
3308 			break;
3309 		}
3310 
3311 		if (record_header->record_type ==
3312 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
3313 			sizeof(struct atom_bracket_layout_record)
3314 			<= record_header->record_size) {
3315 			record = (struct atom_bracket_layout_record *)
3316 				(record_header);
3317 			result = BP_RESULT_OK;
3318 			break;
3319 		}
3320 
3321 		record_offset += record_header->record_size;
3322 	}
3323 
3324 	/* return if the record not found */
3325 	if (result != BP_RESULT_OK)
3326 		return result;
3327 
3328 	/* get slot sizes */
3329 	slot_layout_info->length = record->bracketlen;
3330 	slot_layout_info->width = record->bracketwidth;
3331 
3332 	/* get info for each connector in the slot */
3333 	slot_layout_info->num_of_connectors = record->conn_num;
3334 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
3335 		slot_layout_info->connectors[j].connector_type =
3336 			(enum connector_layout_type)
3337 			(record->conn_info[j].connector_type);
3338 		switch (record->conn_info[j].connector_type) {
3339 		case CONNECTOR_TYPE_DVI_D:
3340 			slot_layout_info->connectors[j].connector_type =
3341 				CONNECTOR_LAYOUT_TYPE_DVI_D;
3342 			slot_layout_info->connectors[j].length =
3343 				CONNECTOR_SIZE_DVI;
3344 			break;
3345 
3346 		case CONNECTOR_TYPE_HDMI:
3347 			slot_layout_info->connectors[j].connector_type =
3348 				CONNECTOR_LAYOUT_TYPE_HDMI;
3349 			slot_layout_info->connectors[j].length =
3350 				CONNECTOR_SIZE_HDMI;
3351 			break;
3352 
3353 		case CONNECTOR_TYPE_DISPLAY_PORT:
3354 			slot_layout_info->connectors[j].connector_type =
3355 				CONNECTOR_LAYOUT_TYPE_DP;
3356 			slot_layout_info->connectors[j].length =
3357 				CONNECTOR_SIZE_DP;
3358 			break;
3359 
3360 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
3361 			slot_layout_info->connectors[j].connector_type =
3362 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
3363 			slot_layout_info->connectors[j].length =
3364 				CONNECTOR_SIZE_MINI_DP;
3365 			break;
3366 
3367 		default:
3368 			slot_layout_info->connectors[j].connector_type =
3369 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3370 			slot_layout_info->connectors[j].length =
3371 				CONNECTOR_SIZE_UNKNOWN;
3372 		}
3373 
3374 		slot_layout_info->connectors[j].position =
3375 			record->conn_info[j].position;
3376 		slot_layout_info->connectors[j].connector_id =
3377 			object_id_from_bios_object_id(
3378 				record->conn_info[j].connectorobjid);
3379 	}
3380 	return result;
3381 }
3382 
update_slot_layout_info_v2(struct dc_bios * dcb,unsigned int i,struct slot_layout_info * slot_layout_info)3383 static enum bp_result update_slot_layout_info_v2(
3384 	struct dc_bios *dcb,
3385 	unsigned int i,
3386 	struct slot_layout_info *slot_layout_info)
3387 {
3388 	unsigned int record_offset;
3389 	unsigned int n;
3390 	struct atom_display_object_path_v3 *object;
3391 	struct atom_bracket_layout_record_v2 *record;
3392 	struct atom_common_record_header *record_header;
3393 	static enum bp_result result;
3394 	struct bios_parser *bp;
3395 	struct object_info_table *tbl;
3396 	struct display_object_info_table_v1_5 *v1_5;
3397 	struct graphics_object_id connector_id;
3398 
3399 	record = NULL;
3400 	record_header = NULL;
3401 	result = BP_RESULT_NORECORD;
3402 
3403 	bp = BP_FROM_DCB(dcb);
3404 	tbl = &bp->object_info_tbl;
3405 	v1_5 = tbl->v1_5;
3406 
3407 	object = &v1_5->display_path[i];
3408 	record_offset = (unsigned int)
3409 		(object->disp_recordoffset) +
3410 		(unsigned int)(bp->object_info_tbl_offset);
3411 
3412 	for (n = 0; n < BIOS_MAX_NUM_RECORD; n++) {
3413 
3414 		record_header = (struct atom_common_record_header *)
3415 			GET_IMAGE(struct atom_common_record_header,
3416 			record_offset);
3417 		if (record_header == NULL) {
3418 			result = BP_RESULT_BADBIOSTABLE;
3419 			break;
3420 		}
3421 
3422 		/* the end of the list */
3423 		if (record_header->record_type == ATOM_RECORD_END_TYPE ||
3424 			record_header->record_size == 0)	{
3425 			break;
3426 		}
3427 
3428 		if (record_header->record_type ==
3429 			ATOM_BRACKET_LAYOUT_V2_RECORD_TYPE &&
3430 			sizeof(struct atom_bracket_layout_record_v2)
3431 			<= record_header->record_size) {
3432 			record = (struct atom_bracket_layout_record_v2 *)
3433 				(record_header);
3434 			result = BP_RESULT_OK;
3435 			break;
3436 		}
3437 
3438 		record_offset += record_header->record_size;
3439 	}
3440 
3441 	/* return if the record not found */
3442 	if (result != BP_RESULT_OK)
3443 		return result;
3444 
3445 	/* get slot sizes */
3446 	connector_id = object_id_from_bios_object_id(object->display_objid);
3447 
3448 	slot_layout_info->length = record->bracketlen;
3449 	slot_layout_info->width = record->bracketwidth;
3450 	slot_layout_info->num_of_connectors = v1_5->number_of_path;
3451 	slot_layout_info->connectors[i].position = record->conn_num;
3452 	slot_layout_info->connectors[i].connector_id = connector_id;
3453 
3454 	switch (connector_id.id) {
3455 	case CONNECTOR_ID_SINGLE_LINK_DVID:
3456 	case CONNECTOR_ID_DUAL_LINK_DVID:
3457 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DVI_D;
3458 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DVI;
3459 		break;
3460 
3461 	case CONNECTOR_ID_HDMI_TYPE_A:
3462 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_HDMI;
3463 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_HDMI;
3464 		break;
3465 
3466 	case CONNECTOR_ID_DISPLAY_PORT:
3467 	case CONNECTOR_ID_USBC:
3468 		if (record->mini_type == MINI_TYPE_NORMAL) {
3469 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DP;
3470 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DP;
3471 		} else {
3472 			slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_MINI_DP;
3473 			slot_layout_info->connectors[i].length = CONNECTOR_SIZE_MINI_DP;
3474 		}
3475 		break;
3476 
3477 	default:
3478 		slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3479 		slot_layout_info->connectors[i].length = CONNECTOR_SIZE_UNKNOWN;
3480 	}
3481 	return result;
3482 }
3483 
get_bracket_layout_record(struct dc_bios * dcb,unsigned int bracket_layout_id,struct slot_layout_info * slot_layout_info)3484 static enum bp_result get_bracket_layout_record(
3485 	struct dc_bios *dcb,
3486 	unsigned int bracket_layout_id,
3487 	struct slot_layout_info *slot_layout_info)
3488 {
3489 	unsigned int i;
3490 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3491 	static enum bp_result result;
3492 	struct object_info_table *tbl;
3493 	struct display_object_info_table_v1_4 *v1_4;
3494 	struct display_object_info_table_v1_5 *v1_5;
3495 
3496 	if (slot_layout_info == NULL) {
3497 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
3498 		return BP_RESULT_BADINPUT;
3499 	}
3500 
3501 	tbl = &bp->object_info_tbl;
3502 	v1_4 = tbl->v1_4;
3503 	v1_5 = tbl->v1_5;
3504 
3505 	result = BP_RESULT_NORECORD;
3506 	switch (bp->object_info_tbl.revision.minor) {
3507 	case 4:
3508 	default:
3509 		for (i = 0; i < v1_4->number_of_path; ++i) {
3510 			if (bracket_layout_id == v1_4->display_path[i].display_objid) {
3511 				result = update_slot_layout_info(dcb, i, slot_layout_info);
3512 				break;
3513 			}
3514 		}
3515 		break;
3516 	case 5:
3517 		for (i = 0; i < v1_5->number_of_path; ++i)
3518 			result = update_slot_layout_info_v2(dcb, i, slot_layout_info);
3519 		break;
3520 	}
3521 
3522 	return result;
3523 }
3524 
bios_get_board_layout_info(struct dc_bios * dcb,struct board_layout_info * board_layout_info)3525 static enum bp_result bios_get_board_layout_info(
3526 	struct dc_bios *dcb,
3527 	struct board_layout_info *board_layout_info)
3528 {
3529 	unsigned int i;
3530 	struct bios_parser *bp;
3531 	static enum bp_result record_result;
3532 	unsigned int max_slots;
3533 
3534 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
3535 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
3536 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
3537 		0, 0
3538 	};
3539 
3540 	bp = BP_FROM_DCB(dcb);
3541 
3542 	if (board_layout_info == NULL) {
3543 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
3544 		return BP_RESULT_BADINPUT;
3545 	}
3546 
3547 	board_layout_info->num_of_slots = 0;
3548 	max_slots = MAX_BOARD_SLOTS;
3549 
3550 	// Assume single slot on v1_5
3551 	if (bp->object_info_tbl.revision.minor == 5) {
3552 		max_slots = 1;
3553 	}
3554 
3555 	for (i = 0; i < max_slots; ++i) {
3556 		record_result = get_bracket_layout_record(dcb,
3557 			slot_index_to_vbios_id[i],
3558 			&board_layout_info->slots[i]);
3559 
3560 		if (record_result == BP_RESULT_NORECORD && i > 0)
3561 			break; /* no more slots present in bios */
3562 		else if (record_result != BP_RESULT_OK)
3563 			return record_result;  /* fail */
3564 
3565 		++board_layout_info->num_of_slots;
3566 	}
3567 
3568 	/* all data is valid */
3569 	board_layout_info->is_number_of_slots_valid = 1;
3570 	board_layout_info->is_slots_size_valid = 1;
3571 	board_layout_info->is_connector_offsets_valid = 1;
3572 	board_layout_info->is_connector_lengths_valid = 1;
3573 
3574 	return BP_RESULT_OK;
3575 }
3576 
3577 
bios_parser_pack_data_tables(struct dc_bios * dcb,void * dst)3578 static uint16_t bios_parser_pack_data_tables(
3579 	struct dc_bios *dcb,
3580 	void *dst)
3581 {
3582 	(void)dcb;
3583 	(void)dst;
3584 	// TODO: There is data bytes alignment issue, disable it for now.
3585 	return 0;
3586 }
3587 
bios_get_golden_table(struct bios_parser * bp,uint32_t rev_major,uint32_t rev_minor,uint16_t * dc_golden_table_ver)3588 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
3589 		struct bios_parser *bp,
3590 		uint32_t rev_major,
3591 		uint32_t rev_minor,
3592 		uint16_t *dc_golden_table_ver)
3593 {
3594 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
3595 	uint32_t dc_golden_offset = 0;
3596 	*dc_golden_table_ver = 0;
3597 
3598 	if (!DATA_TABLES(dce_info))
3599 		return NULL;
3600 
3601 	/* ver.4.4 or higher */
3602 	switch (rev_major) {
3603 	case 4:
3604 		switch (rev_minor) {
3605 		case 4:
3606 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
3607 									DATA_TABLES(dce_info));
3608 			if (!disp_cntl_tbl_4_4)
3609 				return NULL;
3610 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
3611 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
3612 			break;
3613 		case 5:
3614 		default:
3615 			/* For atom_display_controller_info_v4_5 there is no need to get golden table from
3616 			 * dc_golden_table_offset as all these fields previously in golden table used for AUX
3617 			 * pre-charge settings are now available directly in atom_display_controller_info_v4_5.
3618 			 */
3619 			break;
3620 		}
3621 		break;
3622 	}
3623 
3624 	if (!dc_golden_offset)
3625 		return NULL;
3626 
3627 	if (*dc_golden_table_ver != 1)
3628 		return NULL;
3629 
3630 	return GET_IMAGE(struct atom_dc_golden_table_v1,
3631 			dc_golden_offset);
3632 }
3633 
bios_get_atom_dc_golden_table(struct dc_bios * dcb)3634 static enum bp_result bios_get_atom_dc_golden_table(
3635 	struct dc_bios *dcb)
3636 {
3637 	struct bios_parser *bp = BP_FROM_DCB(dcb);
3638 	enum bp_result result = BP_RESULT_OK;
3639 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
3640 	struct atom_common_table_header *header;
3641 	struct atom_data_revision tbl_revision;
3642 	uint16_t dc_golden_table_ver = 0;
3643 
3644 	header = GET_IMAGE(struct atom_common_table_header,
3645 							DATA_TABLES(dce_info));
3646 	if (!header)
3647 		return BP_RESULT_UNSUPPORTED;
3648 
3649 	get_atom_data_table_revision(header, &tbl_revision);
3650 
3651 	atom_dc_golden_table = bios_get_golden_table(bp,
3652 			tbl_revision.major,
3653 			tbl_revision.minor,
3654 			&dc_golden_table_ver);
3655 
3656 	if (!atom_dc_golden_table)
3657 		return BP_RESULT_UNSUPPORTED;
3658 
3659 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
3660 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
3661 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
3662 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
3663 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
3664 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
3665 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
3666 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
3667 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
3668 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
3669 
3670 	return result;
3671 }
3672 
3673 
3674 static const struct dc_vbios_funcs vbios_funcs = {
3675 	.get_connectors_number = bios_parser_get_connectors_number,
3676 
3677 	.get_connector_id = bios_parser_get_connector_id,
3678 
3679 	.get_src_obj = bios_parser_get_src_obj,
3680 
3681 	.get_i2c_info = bios_parser_get_i2c_info,
3682 
3683 	.get_hpd_info = bios_parser_get_hpd_info,
3684 
3685 	.get_device_tag = bios_parser_get_device_tag,
3686 
3687 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
3688 
3689 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
3690 
3691 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
3692 
3693 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
3694 
3695 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
3696 
3697 	.is_device_id_supported = bios_parser_is_device_id_supported,
3698 
3699 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
3700 
3701 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
3702 
3703 
3704 /*	 COMMANDS */
3705 	.encoder_control = bios_parser_encoder_control,
3706 
3707 	.transmitter_control = bios_parser_transmitter_control,
3708 
3709 	.enable_crtc = bios_parser_enable_crtc,
3710 
3711 	.set_pixel_clock = bios_parser_set_pixel_clock,
3712 
3713 	.set_dce_clock = bios_parser_set_dce_clock,
3714 
3715 	.program_crtc_timing = bios_parser_program_crtc_timing,
3716 
3717 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
3718 
3719 	.bios_parser_destroy = firmware_parser_destroy,
3720 
3721 	.get_board_layout_info = bios_get_board_layout_info,
3722 	.pack_data_tables = bios_parser_pack_data_tables,
3723 
3724 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
3725 
3726 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
3727 
3728 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
3729 
3730 	.get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
3731 
3732 	.get_lttpr_caps = bios_parser_get_lttpr_caps,
3733 
3734 	.get_lttpr_interop = bios_parser_get_lttpr_interop,
3735 
3736 	.get_connector_speed_cap_info = bios_parser_get_connector_speed_cap_info,
3737 };
3738 
bios_parser2_construct(struct bios_parser * bp,struct bp_init_data * init,enum dce_version dce_version)3739 static bool bios_parser2_construct(
3740 	struct bios_parser *bp,
3741 	struct bp_init_data *init,
3742 	enum dce_version dce_version)
3743 {
3744 	uint16_t *rom_header_offset = NULL;
3745 	struct atom_rom_header_v2_2 *rom_header = NULL;
3746 	struct display_object_info_table_v1_4 *object_info_tbl;
3747 	struct atom_data_revision tbl_rev = {0};
3748 
3749 	if (!init)
3750 		return false;
3751 
3752 	if (!init->bios)
3753 		return false;
3754 
3755 	bp->base.funcs = &vbios_funcs;
3756 	bp->base.bios = init->bios;
3757 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
3758 
3759 	bp->base.ctx = init->ctx;
3760 
3761 	bp->base.bios_local_image = NULL;
3762 
3763 	rom_header_offset =
3764 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
3765 
3766 	if (!rom_header_offset)
3767 		return false;
3768 
3769 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
3770 
3771 	if (!rom_header)
3772 		return false;
3773 
3774 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
3775 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
3776 		return false;
3777 
3778 	bp->master_data_tbl =
3779 		GET_IMAGE(struct atom_master_data_table_v2_1,
3780 				rom_header->masterdatatable_offset);
3781 
3782 	if (!bp->master_data_tbl)
3783 		return false;
3784 
3785 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
3786 
3787 	if (!bp->object_info_tbl_offset)
3788 		return false;
3789 
3790 	object_info_tbl =
3791 			GET_IMAGE(struct display_object_info_table_v1_4,
3792 						bp->object_info_tbl_offset);
3793 
3794 	if (!object_info_tbl)
3795 		return false;
3796 
3797 	get_atom_data_table_revision(&object_info_tbl->table_header,
3798 		&bp->object_info_tbl.revision);
3799 
3800 	if (bp->object_info_tbl.revision.major == 1
3801 		&& bp->object_info_tbl.revision.minor == 4) {
3802 		struct display_object_info_table_v1_4 *tbl_v1_4;
3803 
3804 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
3805 			bp->object_info_tbl_offset);
3806 		if (!tbl_v1_4)
3807 			return false;
3808 
3809 		bp->object_info_tbl.v1_4 = tbl_v1_4;
3810 	} else if (bp->object_info_tbl.revision.major == 1
3811 		&& bp->object_info_tbl.revision.minor == 5) {
3812 		struct display_object_info_table_v1_5 *tbl_v1_5;
3813 
3814 		tbl_v1_5 = GET_IMAGE(struct display_object_info_table_v1_5,
3815 			bp->object_info_tbl_offset);
3816 		if (!tbl_v1_5)
3817 			return false;
3818 
3819 		bp->object_info_tbl.v1_5 = tbl_v1_5;
3820 	} else {
3821 		ASSERT(0);
3822 		return false;
3823 	}
3824 
3825 	dal_firmware_parser_init_cmd_tbl(bp);
3826 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
3827 
3828 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
3829 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
3830 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
3831 	bios_parser_get_soc_bb_info(&bp->base, &bp->base.bb_info);
3832 	return true;
3833 }
3834 
firmware_parser_create(struct bp_init_data * init,enum dce_version dce_version)3835 struct dc_bios *firmware_parser_create(
3836 	struct bp_init_data *init,
3837 	enum dce_version dce_version)
3838 {
3839 	struct bios_parser *bp;
3840 
3841 	bp = kzalloc_obj(struct bios_parser);
3842 	if (!bp)
3843 		return NULL;
3844 
3845 	if (bios_parser2_construct(bp, init, dce_version))
3846 		return &bp->base;
3847 
3848 	kfree(bp);
3849 	return NULL;
3850 }
3851 
3852 
3853