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 
28 #include "ObjectID.h"
29 #include "atomfirmware.h"
30 
31 #include "dc_bios_types.h"
32 #include "include/grph_object_ctrl_defs.h"
33 #include "include/bios_parser_interface.h"
34 #include "include/i2caux_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 /* Temporarily add in defines until ObjectID.h patch is updated in a few days */
48 #ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT
49 #define GENERIC_OBJECT_ID_BRACKET_LAYOUT          0x05
50 #endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */
51 
52 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1
53 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1	\
54 	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
55 	GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\
56 	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
57 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */
58 
59 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2
60 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2	\
61 	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
62 	GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\
63 	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
64 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */
65 
66 #define DC_LOGGER \
67 	bp->base.ctx->logger
68 
69 #define LAST_RECORD_TYPE 0xff
70 #define SMU9_SYSPLL0_ID  0
71 
72 struct i2c_id_config_access {
73 	uint8_t bfI2C_LineMux:4;
74 	uint8_t bfHW_EngineID:3;
75 	uint8_t bfHW_Capable:1;
76 	uint8_t ucAccess;
77 };
78 
79 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
80 	struct atom_i2c_record *record,
81 	struct graphics_object_i2c_info *info);
82 
83 static enum bp_result bios_parser_get_firmware_info(
84 	struct dc_bios *dcb,
85 	struct dc_firmware_info *info);
86 
87 static enum bp_result bios_parser_get_encoder_cap_info(
88 	struct dc_bios *dcb,
89 	struct graphics_object_id object_id,
90 	struct bp_encoder_cap_info *info);
91 
92 static enum bp_result get_firmware_info_v3_1(
93 	struct bios_parser *bp,
94 	struct dc_firmware_info *info);
95 
96 static enum bp_result get_firmware_info_v3_2(
97 	struct bios_parser *bp,
98 	struct dc_firmware_info *info);
99 
100 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
101 		struct atom_display_object_path_v2 *object);
102 
103 static struct atom_encoder_caps_record *get_encoder_cap_record(
104 	struct bios_parser *bp,
105 	struct atom_display_object_path_v2 *object);
106 
107 #define BIOS_IMAGE_SIZE_OFFSET 2
108 #define BIOS_IMAGE_SIZE_UNIT 512
109 
110 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
111 
112 static void destruct(struct bios_parser *bp)
113 {
114 	kfree(bp->base.bios_local_image);
115 	kfree(bp->base.integrated_info);
116 }
117 
118 static void firmware_parser_destroy(struct dc_bios **dcb)
119 {
120 	struct bios_parser *bp = BP_FROM_DCB(*dcb);
121 
122 	if (!bp) {
123 		BREAK_TO_DEBUGGER();
124 		return;
125 	}
126 
127 	destruct(bp);
128 
129 	kfree(bp);
130 	*dcb = NULL;
131 }
132 
133 static void get_atom_data_table_revision(
134 	struct atom_common_table_header *atom_data_tbl,
135 	struct atom_data_revision *tbl_revision)
136 {
137 	if (!tbl_revision)
138 		return;
139 
140 	/* initialize the revision to 0 which is invalid revision */
141 	tbl_revision->major = 0;
142 	tbl_revision->minor = 0;
143 
144 	if (!atom_data_tbl)
145 		return;
146 
147 	tbl_revision->major =
148 			(uint32_t) atom_data_tbl->format_revision & 0x3f;
149 	tbl_revision->minor =
150 			(uint32_t) atom_data_tbl->content_revision & 0x3f;
151 }
152 
153 /* BIOS oject table displaypath is per connector.
154  * There is extra path not for connector. BIOS fill its encoderid as 0
155  */
156 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
157 {
158 	struct bios_parser *bp = BP_FROM_DCB(dcb);
159 	unsigned int count = 0;
160 	unsigned int i;
161 
162 	for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
163 		if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
164 			count++;
165 	}
166 	return count;
167 }
168 
169 static struct graphics_object_id bios_parser_get_encoder_id(
170 	struct dc_bios *dcb,
171 	uint32_t i)
172 {
173 	struct bios_parser *bp = BP_FROM_DCB(dcb);
174 	struct graphics_object_id object_id = dal_graphics_object_id_init(
175 		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
176 
177 	if (bp->object_info_tbl.v1_4->number_of_path > i)
178 		object_id = object_id_from_bios_object_id(
179 		bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
180 
181 	return object_id;
182 }
183 
184 static struct graphics_object_id bios_parser_get_connector_id(
185 	struct dc_bios *dcb,
186 	uint8_t i)
187 {
188 	struct bios_parser *bp = BP_FROM_DCB(dcb);
189 	struct graphics_object_id object_id = dal_graphics_object_id_init(
190 		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
191 	struct object_info_table *tbl = &bp->object_info_tbl;
192 	struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
193 
194 	if (v1_4->number_of_path > i) {
195 		/* If display_objid is generic object id,  the encoderObj
196 		 * /extencoderobjId should be 0
197 		 */
198 		if (v1_4->display_path[i].encoderobjid != 0 &&
199 				v1_4->display_path[i].display_objid != 0)
200 			object_id = object_id_from_bios_object_id(
201 					v1_4->display_path[i].display_objid);
202 	}
203 
204 	return object_id;
205 }
206 
207 
208 /*  TODO:  GetNumberOfSrc*/
209 
210 static uint32_t bios_parser_get_dst_number(struct dc_bios *dcb,
211 	struct graphics_object_id id)
212 {
213 	/* connector has 1 Dest, encoder has 0 Dest */
214 	switch (id.type) {
215 	case OBJECT_TYPE_ENCODER:
216 		return 0;
217 	case OBJECT_TYPE_CONNECTOR:
218 		return 1;
219 	default:
220 		return 0;
221 	}
222 }
223 
224 /*  removed getSrcObjList, getDestObjList*/
225 
226 
227 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
228 	struct graphics_object_id object_id, uint32_t index,
229 	struct graphics_object_id *src_object_id)
230 {
231 	struct bios_parser *bp = BP_FROM_DCB(dcb);
232 	unsigned int i;
233 	enum bp_result  bp_result = BP_RESULT_BADINPUT;
234 	struct graphics_object_id obj_id = {0};
235 	struct object_info_table *tbl = &bp->object_info_tbl;
236 
237 	if (!src_object_id)
238 		return bp_result;
239 
240 	switch (object_id.type) {
241 	/* Encoder's Source is GPU.  BIOS does not provide GPU, since all
242 	 * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
243 	 */
244 	case OBJECT_TYPE_ENCODER:
245 		/* TODO: since num of src must be less than 2.
246 		 * If found in for loop, should break.
247 		 * DAL2 implementation may be changed too
248 		 */
249 		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
250 			obj_id = object_id_from_bios_object_id(
251 			tbl->v1_4->display_path[i].encoderobjid);
252 			if (object_id.type == obj_id.type &&
253 					object_id.id == obj_id.id &&
254 						object_id.enum_id ==
255 							obj_id.enum_id) {
256 				*src_object_id =
257 				object_id_from_bios_object_id(0x1100);
258 				/* break; */
259 			}
260 		}
261 		bp_result = BP_RESULT_OK;
262 		break;
263 	case OBJECT_TYPE_CONNECTOR:
264 		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
265 			obj_id = object_id_from_bios_object_id(
266 				tbl->v1_4->display_path[i].display_objid);
267 
268 			if (object_id.type == obj_id.type &&
269 				object_id.id == obj_id.id &&
270 					object_id.enum_id == obj_id.enum_id) {
271 				*src_object_id =
272 				object_id_from_bios_object_id(
273 				tbl->v1_4->display_path[i].encoderobjid);
274 				/* break; */
275 			}
276 		}
277 		bp_result = BP_RESULT_OK;
278 		break;
279 	default:
280 		break;
281 	}
282 
283 	return bp_result;
284 }
285 
286 static enum bp_result bios_parser_get_dst_obj(struct dc_bios *dcb,
287 	struct graphics_object_id object_id, uint32_t index,
288 	struct graphics_object_id *dest_object_id)
289 {
290 	struct bios_parser *bp = BP_FROM_DCB(dcb);
291 	unsigned int i;
292 	enum bp_result  bp_result = BP_RESULT_BADINPUT;
293 	struct graphics_object_id obj_id = {0};
294 	struct object_info_table *tbl = &bp->object_info_tbl;
295 
296 	if (!dest_object_id)
297 		return BP_RESULT_BADINPUT;
298 
299 	switch (object_id.type) {
300 	case OBJECT_TYPE_ENCODER:
301 		/* TODO: since num of src must be less than 2.
302 		 * If found in for loop, should break.
303 		 * DAL2 implementation may be changed too
304 		 */
305 		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
306 			obj_id = object_id_from_bios_object_id(
307 				tbl->v1_4->display_path[i].encoderobjid);
308 			if (object_id.type == obj_id.type &&
309 					object_id.id == obj_id.id &&
310 						object_id.enum_id ==
311 							obj_id.enum_id) {
312 				*dest_object_id =
313 					object_id_from_bios_object_id(
314 				tbl->v1_4->display_path[i].display_objid);
315 				/* break; */
316 			}
317 		}
318 		bp_result = BP_RESULT_OK;
319 		break;
320 	default:
321 		break;
322 	}
323 
324 	return bp_result;
325 }
326 
327 
328 /* from graphics_object_id, find display path which includes the object_id */
329 static struct atom_display_object_path_v2 *get_bios_object(
330 	struct bios_parser *bp,
331 	struct graphics_object_id id)
332 {
333 	unsigned int i;
334 	struct graphics_object_id obj_id = {0};
335 
336 	switch (id.type) {
337 	case OBJECT_TYPE_ENCODER:
338 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
339 			obj_id = object_id_from_bios_object_id(
340 			bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
341 			if (id.type == obj_id.type &&
342 					id.id == obj_id.id &&
343 						id.enum_id == obj_id.enum_id)
344 				return
345 				&bp->object_info_tbl.v1_4->display_path[i];
346 		}
347 	case OBJECT_TYPE_CONNECTOR:
348 	case OBJECT_TYPE_GENERIC:
349 		/* Both Generic and Connector Object ID
350 		 * will be stored on display_objid
351 		*/
352 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
353 			obj_id = object_id_from_bios_object_id(
354 			bp->object_info_tbl.v1_4->display_path[i].display_objid
355 			);
356 			if (id.type == obj_id.type &&
357 					id.id == obj_id.id &&
358 						id.enum_id == obj_id.enum_id)
359 				return
360 				&bp->object_info_tbl.v1_4->display_path[i];
361 		}
362 	default:
363 		return NULL;
364 	}
365 }
366 
367 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
368 	struct graphics_object_id id,
369 	struct graphics_object_i2c_info *info)
370 {
371 	uint32_t offset;
372 	struct atom_display_object_path_v2 *object;
373 	struct atom_common_record_header *header;
374 	struct atom_i2c_record *record;
375 	struct bios_parser *bp = BP_FROM_DCB(dcb);
376 
377 	if (!info)
378 		return BP_RESULT_BADINPUT;
379 
380 	object = get_bios_object(bp, id);
381 
382 	if (!object)
383 		return BP_RESULT_BADINPUT;
384 
385 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
386 
387 	for (;;) {
388 		header = GET_IMAGE(struct atom_common_record_header, offset);
389 
390 		if (!header)
391 			return BP_RESULT_BADBIOSTABLE;
392 
393 		if (header->record_type == LAST_RECORD_TYPE ||
394 			!header->record_size)
395 			break;
396 
397 		if (header->record_type == ATOM_I2C_RECORD_TYPE
398 			&& sizeof(struct atom_i2c_record) <=
399 							header->record_size) {
400 			/* get the I2C info */
401 			record = (struct atom_i2c_record *) header;
402 
403 			if (get_gpio_i2c_info(bp, record, info) ==
404 								BP_RESULT_OK)
405 				return BP_RESULT_OK;
406 		}
407 
408 		offset += header->record_size;
409 	}
410 
411 	return BP_RESULT_NORECORD;
412 }
413 
414 static enum bp_result get_gpio_i2c_info(
415 	struct bios_parser *bp,
416 	struct atom_i2c_record *record,
417 	struct graphics_object_i2c_info *info)
418 {
419 	struct atom_gpio_pin_lut_v2_1 *header;
420 	uint32_t count = 0;
421 	unsigned int table_index = 0;
422 
423 	if (!info)
424 		return BP_RESULT_BADINPUT;
425 
426 	/* get the GPIO_I2C info */
427 	if (!DATA_TABLES(gpio_pin_lut))
428 		return BP_RESULT_BADBIOSTABLE;
429 
430 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
431 					DATA_TABLES(gpio_pin_lut));
432 	if (!header)
433 		return BP_RESULT_BADBIOSTABLE;
434 
435 	if (sizeof(struct atom_common_table_header) +
436 			sizeof(struct atom_gpio_pin_assignment)	>
437 			le16_to_cpu(header->table_header.structuresize))
438 		return BP_RESULT_BADBIOSTABLE;
439 
440 	/* TODO: is version change? */
441 	if (header->table_header.content_revision != 1)
442 		return BP_RESULT_UNSUPPORTED;
443 
444 	/* get data count */
445 	count = (le16_to_cpu(header->table_header.structuresize)
446 			- sizeof(struct atom_common_table_header))
447 				/ sizeof(struct atom_gpio_pin_assignment);
448 
449 	table_index = record->i2c_id  & I2C_HW_LANE_MUX;
450 
451 	if (count < table_index) {
452 		bool find_valid = false;
453 
454 		for (table_index = 0; table_index < count; table_index++) {
455 			if (((record->i2c_id & I2C_HW_CAP) == (
456 			header->gpio_pin[table_index].gpio_id &
457 							I2C_HW_CAP)) &&
458 			((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
459 			(header->gpio_pin[table_index].gpio_id &
460 						I2C_HW_ENGINE_ID_MASK)) &&
461 			((record->i2c_id & I2C_HW_LANE_MUX) ==
462 			(header->gpio_pin[table_index].gpio_id &
463 							I2C_HW_LANE_MUX))) {
464 				/* still valid */
465 				find_valid = true;
466 				break;
467 			}
468 		}
469 		/* If we don't find the entry that we are looking for then
470 		 *  we will return BP_Result_BadBiosTable.
471 		 */
472 		if (find_valid == false)
473 			return BP_RESULT_BADBIOSTABLE;
474 	}
475 
476 	/* get the GPIO_I2C_INFO */
477 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
478 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
479 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
480 	info->i2c_slave_address = record->i2c_slave_addr;
481 
482 	/* TODO: check how to get register offset for en, Y, etc. */
483 	info->gpio_info.clk_a_register_index =
484 			le16_to_cpu(
485 			header->gpio_pin[table_index].data_a_reg_index);
486 	info->gpio_info.clk_a_shift =
487 			header->gpio_pin[table_index].gpio_bitshift;
488 
489 	return BP_RESULT_OK;
490 }
491 
492 static enum bp_result get_voltage_ddc_info_v4(
493 	uint8_t *i2c_line,
494 	uint32_t index,
495 	struct atom_common_table_header *header,
496 	uint8_t *address)
497 {
498 	enum bp_result result = BP_RESULT_NORECORD;
499 	struct atom_voltage_objects_info_v4_1 *info =
500 		(struct atom_voltage_objects_info_v4_1 *) address;
501 
502 	uint8_t *voltage_current_object =
503 		(uint8_t *) (&(info->voltage_object[0]));
504 
505 	while ((address + le16_to_cpu(header->structuresize)) >
506 						voltage_current_object) {
507 		struct atom_i2c_voltage_object_v4 *object =
508 			(struct atom_i2c_voltage_object_v4 *)
509 						voltage_current_object;
510 
511 		if (object->header.voltage_mode ==
512 			ATOM_INIT_VOLTAGE_REGULATOR) {
513 			if (object->header.voltage_type == index) {
514 				*i2c_line = object->i2c_id ^ 0x90;
515 				result = BP_RESULT_OK;
516 				break;
517 			}
518 		}
519 
520 		voltage_current_object +=
521 				le16_to_cpu(object->header.object_size);
522 	}
523 	return result;
524 }
525 
526 static enum bp_result bios_parser_get_thermal_ddc_info(
527 	struct dc_bios *dcb,
528 	uint32_t i2c_channel_id,
529 	struct graphics_object_i2c_info *info)
530 {
531 	struct bios_parser *bp = BP_FROM_DCB(dcb);
532 	struct i2c_id_config_access *config;
533 	struct atom_i2c_record record;
534 
535 	if (!info)
536 		return BP_RESULT_BADINPUT;
537 
538 	config = (struct i2c_id_config_access *) &i2c_channel_id;
539 
540 	record.i2c_id = config->bfHW_Capable;
541 	record.i2c_id |= config->bfI2C_LineMux;
542 	record.i2c_id |= config->bfHW_EngineID;
543 
544 	return get_gpio_i2c_info(bp, &record, info);
545 }
546 
547 static enum bp_result bios_parser_get_voltage_ddc_info(struct dc_bios *dcb,
548 	uint32_t index,
549 	struct graphics_object_i2c_info *info)
550 {
551 	uint8_t i2c_line = 0;
552 	enum bp_result result = BP_RESULT_NORECORD;
553 	uint8_t *voltage_info_address;
554 	struct atom_common_table_header *header;
555 	struct atom_data_revision revision = {0};
556 	struct bios_parser *bp = BP_FROM_DCB(dcb);
557 
558 	if (!DATA_TABLES(voltageobject_info))
559 		return result;
560 
561 	voltage_info_address = bios_get_image(&bp->base,
562 			DATA_TABLES(voltageobject_info),
563 			sizeof(struct atom_common_table_header));
564 
565 	header = (struct atom_common_table_header *) voltage_info_address;
566 
567 	get_atom_data_table_revision(header, &revision);
568 
569 	switch (revision.major) {
570 	case 4:
571 		if (revision.minor != 1)
572 			break;
573 		result = get_voltage_ddc_info_v4(&i2c_line, index, header,
574 			voltage_info_address);
575 		break;
576 	}
577 
578 	if (result == BP_RESULT_OK)
579 		result = bios_parser_get_thermal_ddc_info(dcb,
580 			i2c_line, info);
581 
582 	return result;
583 }
584 
585 static enum bp_result bios_parser_get_hpd_info(
586 	struct dc_bios *dcb,
587 	struct graphics_object_id id,
588 	struct graphics_object_hpd_info *info)
589 {
590 	struct bios_parser *bp = BP_FROM_DCB(dcb);
591 	struct atom_display_object_path_v2 *object;
592 	struct atom_hpd_int_record *record = NULL;
593 
594 	if (!info)
595 		return BP_RESULT_BADINPUT;
596 
597 	object = get_bios_object(bp, id);
598 
599 	if (!object)
600 		return BP_RESULT_BADINPUT;
601 
602 	record = get_hpd_record(bp, object);
603 
604 	if (record != NULL) {
605 		info->hpd_int_gpio_uid = record->pin_id;
606 		info->hpd_active = record->plugin_pin_state;
607 		return BP_RESULT_OK;
608 	}
609 
610 	return BP_RESULT_NORECORD;
611 }
612 
613 static struct atom_hpd_int_record *get_hpd_record(
614 	struct bios_parser *bp,
615 	struct atom_display_object_path_v2 *object)
616 {
617 	struct atom_common_record_header *header;
618 	uint32_t offset;
619 
620 	if (!object) {
621 		BREAK_TO_DEBUGGER(); /* Invalid object */
622 		return NULL;
623 	}
624 
625 	offset = le16_to_cpu(object->disp_recordoffset)
626 			+ bp->object_info_tbl_offset;
627 
628 	for (;;) {
629 		header = GET_IMAGE(struct atom_common_record_header, offset);
630 
631 		if (!header)
632 			return NULL;
633 
634 		if (header->record_type == LAST_RECORD_TYPE ||
635 			!header->record_size)
636 			break;
637 
638 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
639 			&& sizeof(struct atom_hpd_int_record) <=
640 							header->record_size)
641 			return (struct atom_hpd_int_record *) header;
642 
643 		offset += header->record_size;
644 	}
645 
646 	return NULL;
647 }
648 
649 /**
650  * bios_parser_get_gpio_pin_info
651  * Get GpioPin information of input gpio id
652  *
653  * @param gpio_id, GPIO ID
654  * @param info, GpioPin information structure
655  * @return Bios parser result code
656  * @note
657  *  to get the GPIO PIN INFO, we need:
658  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
659  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
660  *	to get the registerA  offset/mask
661  */
662 static enum bp_result bios_parser_get_gpio_pin_info(
663 	struct dc_bios *dcb,
664 	uint32_t gpio_id,
665 	struct gpio_pin_info *info)
666 {
667 	struct bios_parser *bp = BP_FROM_DCB(dcb);
668 	struct atom_gpio_pin_lut_v2_1 *header;
669 	uint32_t count = 0;
670 	uint32_t i = 0;
671 
672 	if (!DATA_TABLES(gpio_pin_lut))
673 		return BP_RESULT_BADBIOSTABLE;
674 
675 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
676 						DATA_TABLES(gpio_pin_lut));
677 	if (!header)
678 		return BP_RESULT_BADBIOSTABLE;
679 
680 	if (sizeof(struct atom_common_table_header) +
681 			sizeof(struct atom_gpio_pin_assignment)
682 			> le16_to_cpu(header->table_header.structuresize))
683 		return BP_RESULT_BADBIOSTABLE;
684 
685 	if (header->table_header.content_revision != 1)
686 		return BP_RESULT_UNSUPPORTED;
687 
688 	/* Temporary hard code gpio pin info */
689 #if defined(FOR_SIMNOW_BOOT)
690 	{
691 		struct  atom_gpio_pin_assignment  gpio_pin[8] = {
692 				{0x5db5, 0, 0, 1, 0},
693 				{0x5db5, 8, 8, 2, 0},
694 				{0x5db5, 0x10, 0x10, 3, 0},
695 				{0x5db5, 0x18, 0x14, 4, 0},
696 				{0x5db5, 0x1A, 0x18, 5, 0},
697 				{0x5db5, 0x1C, 0x1C, 6, 0},
698 		};
699 
700 		count = 6;
701 		memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
702 	}
703 #else
704 	count = (le16_to_cpu(header->table_header.structuresize)
705 			- sizeof(struct atom_common_table_header))
706 				/ sizeof(struct atom_gpio_pin_assignment);
707 #endif
708 	for (i = 0; i < count; ++i) {
709 		if (header->gpio_pin[i].gpio_id != gpio_id)
710 			continue;
711 
712 		info->offset =
713 			(uint32_t) le16_to_cpu(
714 					header->gpio_pin[i].data_a_reg_index);
715 		info->offset_y = info->offset + 2;
716 		info->offset_en = info->offset + 1;
717 		info->offset_mask = info->offset - 1;
718 
719 		info->mask = (uint32_t) (1 <<
720 			header->gpio_pin[i].gpio_bitshift);
721 		info->mask_y = info->mask + 2;
722 		info->mask_en = info->mask + 1;
723 		info->mask_mask = info->mask - 1;
724 
725 		return BP_RESULT_OK;
726 	}
727 
728 	return BP_RESULT_NORECORD;
729 }
730 
731 static struct device_id device_type_from_device_id(uint16_t device_id)
732 {
733 
734 	struct device_id result_device_id;
735 
736 	result_device_id.raw_device_tag = device_id;
737 
738 	switch (device_id) {
739 	case ATOM_DISPLAY_LCD1_SUPPORT:
740 		result_device_id.device_type = DEVICE_TYPE_LCD;
741 		result_device_id.enum_id = 1;
742 		break;
743 
744 	case ATOM_DISPLAY_DFP1_SUPPORT:
745 		result_device_id.device_type = DEVICE_TYPE_DFP;
746 		result_device_id.enum_id = 1;
747 		break;
748 
749 	case ATOM_DISPLAY_DFP2_SUPPORT:
750 		result_device_id.device_type = DEVICE_TYPE_DFP;
751 		result_device_id.enum_id = 2;
752 		break;
753 
754 	case ATOM_DISPLAY_DFP3_SUPPORT:
755 		result_device_id.device_type = DEVICE_TYPE_DFP;
756 		result_device_id.enum_id = 3;
757 		break;
758 
759 	case ATOM_DISPLAY_DFP4_SUPPORT:
760 		result_device_id.device_type = DEVICE_TYPE_DFP;
761 		result_device_id.enum_id = 4;
762 		break;
763 
764 	case ATOM_DISPLAY_DFP5_SUPPORT:
765 		result_device_id.device_type = DEVICE_TYPE_DFP;
766 		result_device_id.enum_id = 5;
767 		break;
768 
769 	case ATOM_DISPLAY_DFP6_SUPPORT:
770 		result_device_id.device_type = DEVICE_TYPE_DFP;
771 		result_device_id.enum_id = 6;
772 		break;
773 
774 	default:
775 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
776 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
777 		result_device_id.enum_id = 0;
778 	}
779 	return result_device_id;
780 }
781 
782 static enum bp_result bios_parser_get_device_tag(
783 	struct dc_bios *dcb,
784 	struct graphics_object_id connector_object_id,
785 	uint32_t device_tag_index,
786 	struct connector_device_tag_info *info)
787 {
788 	struct bios_parser *bp = BP_FROM_DCB(dcb);
789 	struct atom_display_object_path_v2 *object;
790 
791 	if (!info)
792 		return BP_RESULT_BADINPUT;
793 
794 	/* getBiosObject will return MXM object */
795 	object = get_bios_object(bp, connector_object_id);
796 
797 	if (!object) {
798 		BREAK_TO_DEBUGGER(); /* Invalid object id */
799 		return BP_RESULT_BADINPUT;
800 	}
801 
802 	info->acpi_device = 0; /* BIOS no longer provides this */
803 	info->dev_id = device_type_from_device_id(object->device_tag);
804 
805 	return BP_RESULT_OK;
806 }
807 
808 static enum bp_result get_ss_info_v4_1(
809 	struct bios_parser *bp,
810 	uint32_t id,
811 	uint32_t index,
812 	struct spread_spectrum_info *ss_info)
813 {
814 	enum bp_result result = BP_RESULT_OK;
815 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
816 
817 	if (!ss_info)
818 		return BP_RESULT_BADINPUT;
819 
820 	if (!DATA_TABLES(dce_info))
821 		return BP_RESULT_BADBIOSTABLE;
822 
823 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
824 							DATA_TABLES(dce_info));
825 	if (!disp_cntl_tbl)
826 		return BP_RESULT_BADBIOSTABLE;
827 
828 	ss_info->type.STEP_AND_DELAY_INFO = false;
829 	ss_info->spread_percentage_divider = 1000;
830 	/* BIOS no longer uses target clock.  Always enable for now */
831 	ss_info->target_clock_range = 0xffffffff;
832 
833 	switch (id) {
834 	case AS_SIGNAL_TYPE_DVI:
835 		ss_info->spread_spectrum_percentage =
836 				disp_cntl_tbl->dvi_ss_percentage;
837 		ss_info->spread_spectrum_range =
838 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
839 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
840 			ss_info->type.CENTER_MODE = true;
841 		break;
842 	case AS_SIGNAL_TYPE_HDMI:
843 		ss_info->spread_spectrum_percentage =
844 				disp_cntl_tbl->hdmi_ss_percentage;
845 		ss_info->spread_spectrum_range =
846 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
847 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
848 			ss_info->type.CENTER_MODE = true;
849 		break;
850 	/* TODO LVDS not support anymore? */
851 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
852 		ss_info->spread_spectrum_percentage =
853 				disp_cntl_tbl->dp_ss_percentage;
854 		ss_info->spread_spectrum_range =
855 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
856 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
857 			ss_info->type.CENTER_MODE = true;
858 		break;
859 	case AS_SIGNAL_TYPE_GPU_PLL:
860 		/* atom_firmware: DAL only get data from dce_info table.
861 		 * if data within smu_info is needed for DAL, VBIOS should
862 		 * copy it into dce_info
863 		 */
864 		result = BP_RESULT_UNSUPPORTED;
865 		break;
866 	default:
867 		result = BP_RESULT_UNSUPPORTED;
868 	}
869 
870 	return result;
871 }
872 
873 static enum bp_result get_ss_info_v4_2(
874 	struct bios_parser *bp,
875 	uint32_t id,
876 	uint32_t index,
877 	struct spread_spectrum_info *ss_info)
878 {
879 	enum bp_result result = BP_RESULT_OK;
880 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
881 	struct atom_smu_info_v3_1 *smu_info = NULL;
882 
883 	if (!ss_info)
884 		return BP_RESULT_BADINPUT;
885 
886 	if (!DATA_TABLES(dce_info))
887 		return BP_RESULT_BADBIOSTABLE;
888 
889 	if (!DATA_TABLES(smu_info))
890 		return BP_RESULT_BADBIOSTABLE;
891 
892 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
893 							DATA_TABLES(dce_info));
894 	if (!disp_cntl_tbl)
895 		return BP_RESULT_BADBIOSTABLE;
896 
897 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
898 	if (!smu_info)
899 		return BP_RESULT_BADBIOSTABLE;
900 
901 	ss_info->type.STEP_AND_DELAY_INFO = false;
902 	ss_info->spread_percentage_divider = 1000;
903 	/* BIOS no longer uses target clock.  Always enable for now */
904 	ss_info->target_clock_range = 0xffffffff;
905 
906 	switch (id) {
907 	case AS_SIGNAL_TYPE_DVI:
908 		ss_info->spread_spectrum_percentage =
909 				disp_cntl_tbl->dvi_ss_percentage;
910 		ss_info->spread_spectrum_range =
911 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
912 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
913 			ss_info->type.CENTER_MODE = true;
914 		break;
915 	case AS_SIGNAL_TYPE_HDMI:
916 		ss_info->spread_spectrum_percentage =
917 				disp_cntl_tbl->hdmi_ss_percentage;
918 		ss_info->spread_spectrum_range =
919 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
920 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
921 			ss_info->type.CENTER_MODE = true;
922 		break;
923 	/* TODO LVDS not support anymore? */
924 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
925 		ss_info->spread_spectrum_percentage =
926 				smu_info->gpuclk_ss_percentage;
927 		ss_info->spread_spectrum_range =
928 				smu_info->gpuclk_ss_rate_10hz * 10;
929 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
930 			ss_info->type.CENTER_MODE = true;
931 		break;
932 	case AS_SIGNAL_TYPE_GPU_PLL:
933 		/* atom_firmware: DAL only get data from dce_info table.
934 		 * if data within smu_info is needed for DAL, VBIOS should
935 		 * copy it into dce_info
936 		 */
937 		result = BP_RESULT_UNSUPPORTED;
938 		break;
939 	default:
940 		result = BP_RESULT_UNSUPPORTED;
941 	}
942 
943 	return result;
944 }
945 
946 /**
947  * bios_parser_get_spread_spectrum_info
948  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
949  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
950  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
951  * ver 3.1,
952  * there is only one entry for each signal /ss id.  However, there is
953  * no planning of supporting multiple spread Sprectum entry for EverGreen
954  * @param [in] this
955  * @param [in] signal, ASSignalType to be converted to info index
956  * @param [in] index, number of entries that match the converted info index
957  * @param [out] ss_info, sprectrum information structure,
958  * @return Bios parser result code
959  */
960 static enum bp_result bios_parser_get_spread_spectrum_info(
961 	struct dc_bios *dcb,
962 	enum as_signal_type signal,
963 	uint32_t index,
964 	struct spread_spectrum_info *ss_info)
965 {
966 	struct bios_parser *bp = BP_FROM_DCB(dcb);
967 	enum bp_result result = BP_RESULT_UNSUPPORTED;
968 	struct atom_common_table_header *header;
969 	struct atom_data_revision tbl_revision;
970 
971 	if (!ss_info) /* check for bad input */
972 		return BP_RESULT_BADINPUT;
973 
974 	if (!DATA_TABLES(dce_info))
975 		return BP_RESULT_UNSUPPORTED;
976 
977 	header = GET_IMAGE(struct atom_common_table_header,
978 						DATA_TABLES(dce_info));
979 	get_atom_data_table_revision(header, &tbl_revision);
980 
981 	switch (tbl_revision.major) {
982 	case 4:
983 		switch (tbl_revision.minor) {
984 		case 1:
985 			return get_ss_info_v4_1(bp, signal, index, ss_info);
986 		case 2:
987 			return get_ss_info_v4_2(bp, signal, index, ss_info);
988 		default:
989 			break;
990 		}
991 		break;
992 	default:
993 		break;
994 	}
995 	/* there can not be more then one entry for SS Info table */
996 	return result;
997 }
998 
999 static enum bp_result get_embedded_panel_info_v2_1(
1000 	struct bios_parser *bp,
1001 	struct embedded_panel_info *info)
1002 {
1003 	struct lcd_info_v2_1 *lvds;
1004 
1005 	if (!info)
1006 		return BP_RESULT_BADINPUT;
1007 
1008 	if (!DATA_TABLES(lcd_info))
1009 		return BP_RESULT_UNSUPPORTED;
1010 
1011 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1012 
1013 	if (!lvds)
1014 		return BP_RESULT_BADBIOSTABLE;
1015 
1016 	/* TODO: previous vv1_3, should v2_1 */
1017 	if (!((lvds->table_header.format_revision == 2)
1018 			&& (lvds->table_header.content_revision >= 1)))
1019 		return BP_RESULT_UNSUPPORTED;
1020 
1021 	memset(info, 0, sizeof(struct embedded_panel_info));
1022 
1023 	/* We need to convert from 10KHz units into KHz units */
1024 	info->lcd_timing.pixel_clk =
1025 			le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1026 	/* usHActive does not include borders, according to VBIOS team */
1027 	info->lcd_timing.horizontal_addressable =
1028 			le16_to_cpu(lvds->lcd_timing.h_active);
1029 	/* usHBlanking_Time includes borders, so we should really be
1030 	 * subtractingborders duing this translation, but LVDS generally
1031 	 * doesn't have borders, so we should be okay leaving this as is for
1032 	 * now.  May need to revisit if we ever have LVDS with borders
1033 	 */
1034 	info->lcd_timing.horizontal_blanking_time =
1035 		le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1036 	/* usVActive does not include borders, according to VBIOS team*/
1037 	info->lcd_timing.vertical_addressable =
1038 		le16_to_cpu(lvds->lcd_timing.v_active);
1039 	/* usVBlanking_Time includes borders, so we should really be
1040 	 * subtracting borders duing this translation, but LVDS generally
1041 	 * doesn't have borders, so we should be okay leaving this as is for
1042 	 * now. May need to revisit if we ever have LVDS with borders
1043 	 */
1044 	info->lcd_timing.vertical_blanking_time =
1045 		le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1046 	info->lcd_timing.horizontal_sync_offset =
1047 		le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1048 	info->lcd_timing.horizontal_sync_width =
1049 		le16_to_cpu(lvds->lcd_timing.h_sync_width);
1050 	info->lcd_timing.vertical_sync_offset =
1051 		le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1052 	info->lcd_timing.vertical_sync_width =
1053 		le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1054 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1055 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1056 
1057 	/* not provided by VBIOS */
1058 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1059 
1060 	info->lcd_timing.misc_info.H_SYNC_POLARITY =
1061 		~(uint32_t)
1062 		(lvds->lcd_timing.miscinfo & ATOM_HSYNC_POLARITY);
1063 	info->lcd_timing.misc_info.V_SYNC_POLARITY =
1064 		~(uint32_t)
1065 		(lvds->lcd_timing.miscinfo & ATOM_VSYNC_POLARITY);
1066 
1067 	/* not provided by VBIOS */
1068 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1069 
1070 	info->lcd_timing.misc_info.H_REPLICATION_BY2 =
1071 		!!(lvds->lcd_timing.miscinfo & ATOM_H_REPLICATIONBY2);
1072 	info->lcd_timing.misc_info.V_REPLICATION_BY2 =
1073 		!!(lvds->lcd_timing.miscinfo & ATOM_V_REPLICATIONBY2);
1074 	info->lcd_timing.misc_info.COMPOSITE_SYNC =
1075 		!!(lvds->lcd_timing.miscinfo & ATOM_COMPOSITESYNC);
1076 	info->lcd_timing.misc_info.INTERLACE =
1077 		!!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1078 
1079 	/* not provided by VBIOS*/
1080 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1081 	/* not provided by VBIOS*/
1082 	info->ss_id = 0;
1083 
1084 	info->realtek_eDPToLVDS =
1085 			!!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1086 
1087 	return BP_RESULT_OK;
1088 }
1089 
1090 static enum bp_result bios_parser_get_embedded_panel_info(
1091 	struct dc_bios *dcb,
1092 	struct embedded_panel_info *info)
1093 {
1094 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1095 	struct atom_common_table_header *header;
1096 	struct atom_data_revision tbl_revision;
1097 
1098 	if (!DATA_TABLES(lcd_info))
1099 		return BP_RESULT_FAILURE;
1100 
1101 	header = GET_IMAGE(struct atom_common_table_header,
1102 					DATA_TABLES(lcd_info));
1103 
1104 	if (!header)
1105 		return BP_RESULT_BADBIOSTABLE;
1106 
1107 	get_atom_data_table_revision(header, &tbl_revision);
1108 
1109 
1110 	switch (tbl_revision.major) {
1111 	case 2:
1112 		switch (tbl_revision.minor) {
1113 		case 1:
1114 			return get_embedded_panel_info_v2_1(bp, info);
1115 		default:
1116 			break;
1117 		}
1118 	default:
1119 		break;
1120 	}
1121 
1122 	return BP_RESULT_FAILURE;
1123 }
1124 
1125 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1126 {
1127 	enum dal_device_type device_type = device_id.device_type;
1128 	uint32_t enum_id = device_id.enum_id;
1129 
1130 	switch (device_type) {
1131 	case DEVICE_TYPE_LCD:
1132 		switch (enum_id) {
1133 		case 1:
1134 			return ATOM_DISPLAY_LCD1_SUPPORT;
1135 		default:
1136 			break;
1137 		}
1138 		break;
1139 	case DEVICE_TYPE_DFP:
1140 		switch (enum_id) {
1141 		case 1:
1142 			return ATOM_DISPLAY_DFP1_SUPPORT;
1143 		case 2:
1144 			return ATOM_DISPLAY_DFP2_SUPPORT;
1145 		case 3:
1146 			return ATOM_DISPLAY_DFP3_SUPPORT;
1147 		case 4:
1148 			return ATOM_DISPLAY_DFP4_SUPPORT;
1149 		case 5:
1150 			return ATOM_DISPLAY_DFP5_SUPPORT;
1151 		case 6:
1152 			return ATOM_DISPLAY_DFP6_SUPPORT;
1153 		default:
1154 			break;
1155 		}
1156 		break;
1157 	default:
1158 		break;
1159 	};
1160 
1161 	/* Unidentified device ID, return empty support mask. */
1162 	return 0;
1163 }
1164 
1165 static bool bios_parser_is_device_id_supported(
1166 	struct dc_bios *dcb,
1167 	struct device_id id)
1168 {
1169 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1170 
1171 	uint32_t mask = get_support_mask_for_device_id(id);
1172 
1173 	return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1174 								mask) != 0;
1175 }
1176 
1177 static void bios_parser_post_init(
1178 	struct dc_bios *dcb)
1179 {
1180 	/* TODO for OPM module. Need implement later */
1181 }
1182 
1183 static uint32_t bios_parser_get_ss_entry_number(
1184 	struct dc_bios *dcb,
1185 	enum as_signal_type signal)
1186 {
1187 	/* TODO: DAL2 atomfirmware implementation does not need this.
1188 	 * why DAL3 need this?
1189 	 */
1190 	return 1;
1191 }
1192 
1193 static enum bp_result bios_parser_transmitter_control(
1194 	struct dc_bios *dcb,
1195 	struct bp_transmitter_control *cntl)
1196 {
1197 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1198 
1199 	if (!bp->cmd_tbl.transmitter_control)
1200 		return BP_RESULT_FAILURE;
1201 
1202 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1203 }
1204 
1205 static enum bp_result bios_parser_encoder_control(
1206 	struct dc_bios *dcb,
1207 	struct bp_encoder_control *cntl)
1208 {
1209 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1210 
1211 	if (!bp->cmd_tbl.dig_encoder_control)
1212 		return BP_RESULT_FAILURE;
1213 
1214 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1215 }
1216 
1217 static enum bp_result bios_parser_set_pixel_clock(
1218 	struct dc_bios *dcb,
1219 	struct bp_pixel_clock_parameters *bp_params)
1220 {
1221 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1222 
1223 	if (!bp->cmd_tbl.set_pixel_clock)
1224 		return BP_RESULT_FAILURE;
1225 
1226 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1227 }
1228 
1229 static enum bp_result bios_parser_set_dce_clock(
1230 	struct dc_bios *dcb,
1231 	struct bp_set_dce_clock_parameters *bp_params)
1232 {
1233 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1234 
1235 	if (!bp->cmd_tbl.set_dce_clock)
1236 		return BP_RESULT_FAILURE;
1237 
1238 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1239 }
1240 
1241 static unsigned int bios_parser_get_smu_clock_info(
1242 	struct dc_bios *dcb)
1243 {
1244 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1245 
1246 	if (!bp->cmd_tbl.get_smu_clock_info)
1247 		return BP_RESULT_FAILURE;
1248 
1249 	return bp->cmd_tbl.get_smu_clock_info(bp, 0);
1250 }
1251 
1252 static enum bp_result bios_parser_program_crtc_timing(
1253 	struct dc_bios *dcb,
1254 	struct bp_hw_crtc_timing_parameters *bp_params)
1255 {
1256 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1257 
1258 	if (!bp->cmd_tbl.set_crtc_timing)
1259 		return BP_RESULT_FAILURE;
1260 
1261 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1262 }
1263 
1264 static enum bp_result bios_parser_enable_crtc(
1265 	struct dc_bios *dcb,
1266 	enum controller_id id,
1267 	bool enable)
1268 {
1269 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1270 
1271 	if (!bp->cmd_tbl.enable_crtc)
1272 		return BP_RESULT_FAILURE;
1273 
1274 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1275 }
1276 
1277 static enum bp_result bios_parser_crtc_source_select(
1278 	struct dc_bios *dcb,
1279 	struct bp_crtc_source_select *bp_params)
1280 {
1281 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1282 
1283 	if (!bp->cmd_tbl.select_crtc_source)
1284 		return BP_RESULT_FAILURE;
1285 
1286 	return bp->cmd_tbl.select_crtc_source(bp, bp_params);
1287 }
1288 
1289 static enum bp_result bios_parser_enable_disp_power_gating(
1290 	struct dc_bios *dcb,
1291 	enum controller_id controller_id,
1292 	enum bp_pipe_control_action action)
1293 {
1294 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1295 
1296 	if (!bp->cmd_tbl.enable_disp_power_gating)
1297 		return BP_RESULT_FAILURE;
1298 
1299 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1300 		action);
1301 }
1302 
1303 static bool bios_parser_is_accelerated_mode(
1304 	struct dc_bios *dcb)
1305 {
1306 	return bios_is_accelerated_mode(dcb);
1307 }
1308 
1309 static uint32_t bios_parser_get_vga_enabled_displays(
1310 	struct dc_bios *bios)
1311 {
1312 	return bios_get_vga_enabled_displays(bios);
1313 }
1314 
1315 
1316 /**
1317  * bios_parser_set_scratch_critical_state
1318  *
1319  * @brief
1320  *  update critical state bit in VBIOS scratch register
1321  *
1322  * @param
1323  *  bool - to set or reset state
1324  */
1325 static void bios_parser_set_scratch_critical_state(
1326 	struct dc_bios *dcb,
1327 	bool state)
1328 {
1329 	bios_set_scratch_critical_state(dcb, state);
1330 }
1331 
1332 static enum bp_result bios_parser_get_firmware_info(
1333 	struct dc_bios *dcb,
1334 	struct dc_firmware_info *info)
1335 {
1336 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1337 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1338 	struct atom_common_table_header *header;
1339 
1340 	struct atom_data_revision revision;
1341 
1342 	if (info && DATA_TABLES(firmwareinfo)) {
1343 		header = GET_IMAGE(struct atom_common_table_header,
1344 				DATA_TABLES(firmwareinfo));
1345 		get_atom_data_table_revision(header, &revision);
1346 		switch (revision.major) {
1347 		case 3:
1348 			switch (revision.minor) {
1349 			case 1:
1350 				result = get_firmware_info_v3_1(bp, info);
1351 				break;
1352 			case 2:
1353 				result = get_firmware_info_v3_2(bp, info);
1354 				break;
1355 			case 3:
1356 				result = get_firmware_info_v3_2(bp, info);
1357 				break;
1358 			default:
1359 				break;
1360 			}
1361 			break;
1362 		default:
1363 			break;
1364 		}
1365 	}
1366 
1367 	return result;
1368 }
1369 
1370 static enum bp_result get_firmware_info_v3_1(
1371 	struct bios_parser *bp,
1372 	struct dc_firmware_info *info)
1373 {
1374 	struct atom_firmware_info_v3_1 *firmware_info;
1375 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1376 
1377 	if (!info)
1378 		return BP_RESULT_BADINPUT;
1379 
1380 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1381 			DATA_TABLES(firmwareinfo));
1382 
1383 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1384 			DATA_TABLES(dce_info));
1385 
1386 	if (!firmware_info || !dce_info)
1387 		return BP_RESULT_BADBIOSTABLE;
1388 
1389 	memset(info, 0, sizeof(*info));
1390 
1391 	/* Pixel clock pll information. */
1392 	 /* We need to convert from 10KHz units into KHz units */
1393 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1394 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1395 
1396 	 /* 27MHz for Vega10: */
1397 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1398 
1399 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1400 	if (info->pll_info.crystal_frequency == 0)
1401 		info->pll_info.crystal_frequency = 27000;
1402 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1403 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1404 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1405 
1406 	/* Get GPU PLL VCO Clock */
1407 
1408 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1409 		/* VBIOS gives in 10KHz */
1410 		info->smu_gpu_pll_output_freq =
1411 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1412 	}
1413 
1414 	return BP_RESULT_OK;
1415 }
1416 
1417 static enum bp_result get_firmware_info_v3_2(
1418 	struct bios_parser *bp,
1419 	struct dc_firmware_info *info)
1420 {
1421 	struct atom_firmware_info_v3_2 *firmware_info;
1422 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1423 	struct atom_common_table_header *header;
1424 	struct atom_data_revision revision;
1425 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1426 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1427 
1428 	if (!info)
1429 		return BP_RESULT_BADINPUT;
1430 
1431 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1432 			DATA_TABLES(firmwareinfo));
1433 
1434 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1435 			DATA_TABLES(dce_info));
1436 
1437 	if (!firmware_info || !dce_info)
1438 		return BP_RESULT_BADBIOSTABLE;
1439 
1440 	memset(info, 0, sizeof(*info));
1441 
1442 	header = GET_IMAGE(struct atom_common_table_header,
1443 					DATA_TABLES(smu_info));
1444 	get_atom_data_table_revision(header, &revision);
1445 
1446 	if (revision.minor == 2) {
1447 		/* Vega12 */
1448 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1449 							DATA_TABLES(smu_info));
1450 
1451 		if (!smu_info_v3_2)
1452 			return BP_RESULT_BADBIOSTABLE;
1453 
1454 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1455 	} else if (revision.minor == 3) {
1456 		/* Vega20 */
1457 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1458 							DATA_TABLES(smu_info));
1459 
1460 		if (!smu_info_v3_3)
1461 			return BP_RESULT_BADBIOSTABLE;
1462 
1463 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1464 	}
1465 
1466 	 // We need to convert from 10KHz units into KHz units.
1467 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1468 
1469 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1470 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1471 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1472 	if (info->pll_info.crystal_frequency == 0) {
1473 		if (revision.minor == 2)
1474 			info->pll_info.crystal_frequency = 27000;
1475 		else if (revision.minor == 3)
1476 			info->pll_info.crystal_frequency = 100000;
1477 	}
1478 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1479 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1480 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1481 
1482 	/* Get GPU PLL VCO Clock */
1483 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1484 		if (revision.minor == 2)
1485 			info->smu_gpu_pll_output_freq =
1486 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1487 		else if (revision.minor == 3)
1488 			info->smu_gpu_pll_output_freq =
1489 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1490 	}
1491 
1492 	return BP_RESULT_OK;
1493 }
1494 
1495 static enum bp_result bios_parser_get_encoder_cap_info(
1496 	struct dc_bios *dcb,
1497 	struct graphics_object_id object_id,
1498 	struct bp_encoder_cap_info *info)
1499 {
1500 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1501 	struct atom_display_object_path_v2 *object;
1502 	struct atom_encoder_caps_record *record = NULL;
1503 
1504 	if (!info)
1505 		return BP_RESULT_BADINPUT;
1506 
1507 	object = get_bios_object(bp, object_id);
1508 
1509 	if (!object)
1510 		return BP_RESULT_BADINPUT;
1511 
1512 	record = get_encoder_cap_record(bp, object);
1513 	if (!record)
1514 		return BP_RESULT_NORECORD;
1515 
1516 	info->DP_HBR2_CAP = (record->encodercaps &
1517 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1518 	info->DP_HBR2_EN = (record->encodercaps &
1519 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1520 	info->DP_HBR3_EN = (record->encodercaps &
1521 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1522 	info->HDMI_6GB_EN = (record->encodercaps &
1523 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1524 
1525 	return BP_RESULT_OK;
1526 }
1527 
1528 
1529 static struct atom_encoder_caps_record *get_encoder_cap_record(
1530 	struct bios_parser *bp,
1531 	struct atom_display_object_path_v2 *object)
1532 {
1533 	struct atom_common_record_header *header;
1534 	uint32_t offset;
1535 
1536 	if (!object) {
1537 		BREAK_TO_DEBUGGER(); /* Invalid object */
1538 		return NULL;
1539 	}
1540 
1541 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1542 
1543 	for (;;) {
1544 		header = GET_IMAGE(struct atom_common_record_header, offset);
1545 
1546 		if (!header)
1547 			return NULL;
1548 
1549 		offset += header->record_size;
1550 
1551 		if (header->record_type == LAST_RECORD_TYPE ||
1552 				!header->record_size)
1553 			break;
1554 
1555 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1556 			continue;
1557 
1558 		if (sizeof(struct atom_encoder_caps_record) <=
1559 							header->record_size)
1560 			return (struct atom_encoder_caps_record *)header;
1561 	}
1562 
1563 	return NULL;
1564 }
1565 
1566 /*
1567  * get_integrated_info_v11
1568  *
1569  * @brief
1570  * Get V8 integrated BIOS information
1571  *
1572  * @param
1573  * bios_parser *bp - [in]BIOS parser handler to get master data table
1574  * integrated_info *info - [out] store and output integrated info
1575  *
1576  * @return
1577  * enum bp_result - BP_RESULT_OK if information is available,
1578  *                  BP_RESULT_BADBIOSTABLE otherwise.
1579  */
1580 static enum bp_result get_integrated_info_v11(
1581 	struct bios_parser *bp,
1582 	struct integrated_info *info)
1583 {
1584 	struct atom_integrated_system_info_v1_11 *info_v11;
1585 	uint32_t i;
1586 
1587 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1588 					DATA_TABLES(integratedsysteminfo));
1589 
1590 	if (info_v11 == NULL)
1591 		return BP_RESULT_BADBIOSTABLE;
1592 
1593 	info->gpu_cap_info =
1594 	le32_to_cpu(info_v11->gpucapinfo);
1595 	/*
1596 	* system_config: Bit[0] = 0 : PCIE power gating disabled
1597 	*                       = 1 : PCIE power gating enabled
1598 	*                Bit[1] = 0 : DDR-PLL shut down disabled
1599 	*                       = 1 : DDR-PLL shut down enabled
1600 	*                Bit[2] = 0 : DDR-PLL power down disabled
1601 	*                       = 1 : DDR-PLL power down enabled
1602 	*/
1603 	info->system_config = le32_to_cpu(info_v11->system_config);
1604 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1605 	info->memory_type = info_v11->memorytype;
1606 	info->ma_channel_number = info_v11->umachannelnumber;
1607 	info->lvds_ss_percentage =
1608 	le16_to_cpu(info_v11->lvds_ss_percentage);
1609 	info->lvds_sspread_rate_in_10hz =
1610 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1611 	info->hdmi_ss_percentage =
1612 	le16_to_cpu(info_v11->hdmi_ss_percentage);
1613 	info->hdmi_sspread_rate_in_10hz =
1614 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1615 	info->dvi_ss_percentage =
1616 	le16_to_cpu(info_v11->dvi_ss_percentage);
1617 	info->dvi_sspread_rate_in_10_hz =
1618 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1619 	info->lvds_misc = info_v11->lvds_misc;
1620 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1621 		info->ext_disp_conn_info.gu_id[i] =
1622 				info_v11->extdispconninfo.guid[i];
1623 	}
1624 
1625 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1626 		info->ext_disp_conn_info.path[i].device_connector_id =
1627 		object_id_from_bios_object_id(
1628 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1629 
1630 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1631 		object_id_from_bios_object_id(
1632 			le16_to_cpu(
1633 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
1634 
1635 		info->ext_disp_conn_info.path[i].device_tag =
1636 			le16_to_cpu(
1637 				info_v11->extdispconninfo.path[i].device_tag);
1638 		info->ext_disp_conn_info.path[i].device_acpi_enum =
1639 		le16_to_cpu(
1640 			info_v11->extdispconninfo.path[i].device_acpi_enum);
1641 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1642 			info_v11->extdispconninfo.path[i].auxddclut_index;
1643 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1644 			info_v11->extdispconninfo.path[i].hpdlut_index;
1645 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
1646 			info_v11->extdispconninfo.path[i].channelmapping;
1647 		info->ext_disp_conn_info.path[i].caps =
1648 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1649 	}
1650 	info->ext_disp_conn_info.checksum =
1651 	info_v11->extdispconninfo.checksum;
1652 
1653 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1654 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1655 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1656 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1657 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1658 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1659 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1660 	}
1661 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1662 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1663 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1664 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1665 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1666 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1667 	}
1668 
1669 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1670 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1671 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1672 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1673 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1674 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1675 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1676 	}
1677 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1678 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1679 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1680 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1681 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1682 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1683 	}
1684 
1685 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1686 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1687 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1688 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1689 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1690 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1691 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1692 	}
1693 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1694 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1695 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1696 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1697 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1698 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1699 	}
1700 
1701 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1702 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1703 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1704 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1705 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1706 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1707 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1708 	}
1709 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1710 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1711 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1712 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1713 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1714 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1715 	}
1716 
1717 
1718 	/** TODO - review **/
1719 	#if 0
1720 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1721 									* 10;
1722 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1723 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1724 
1725 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1726 		/* Convert [10KHz] into [KHz] */
1727 		info->disp_clk_voltage[i].max_supported_clk =
1728 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1729 			ulMaximumSupportedCLK) * 10;
1730 		info->disp_clk_voltage[i].voltage_index =
1731 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1732 	}
1733 
1734 	info->boot_up_req_display_vector =
1735 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1736 	info->boot_up_nb_voltage =
1737 			le16_to_cpu(info_v11->usBootUpNBVoltage);
1738 	info->ext_disp_conn_info_offset =
1739 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1740 	info->gmc_restore_reset_time =
1741 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1742 	info->minimum_n_clk =
1743 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1744 	for (i = 1; i < 4; ++i)
1745 		info->minimum_n_clk =
1746 				info->minimum_n_clk <
1747 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1748 				info->minimum_n_clk : le32_to_cpu(
1749 					info_v11->ulNbpStateNClkFreq[i]);
1750 
1751 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1752 	info->ddr_dll_power_up_time =
1753 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1754 	info->ddr_pll_power_up_time =
1755 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1756 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1757 	info->max_lvds_pclk_freq_in_single_link =
1758 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1759 	info->max_lvds_pclk_freq_in_single_link =
1760 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1761 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1762 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1763 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1764 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1765 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1766 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1767 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1768 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1769 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1770 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1771 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1772 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1773 	info->lvds_off_to_on_delay_in_4ms =
1774 		info_v11->ucLVDSOffToOnDelay_in4Ms;
1775 	info->lvds_bit_depth_control_val =
1776 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1777 
1778 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1779 		/* Convert [10KHz] into [KHz] */
1780 		info->avail_s_clk[i].supported_s_clk =
1781 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1782 									* 10;
1783 		info->avail_s_clk[i].voltage_index =
1784 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1785 		info->avail_s_clk[i].voltage_id =
1786 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1787 	}
1788 	#endif /* TODO*/
1789 
1790 	return BP_RESULT_OK;
1791 }
1792 
1793 
1794 /*
1795  * construct_integrated_info
1796  *
1797  * @brief
1798  * Get integrated BIOS information based on table revision
1799  *
1800  * @param
1801  * bios_parser *bp - [in]BIOS parser handler to get master data table
1802  * integrated_info *info - [out] store and output integrated info
1803  *
1804  * @return
1805  * enum bp_result - BP_RESULT_OK if information is available,
1806  *                  BP_RESULT_BADBIOSTABLE otherwise.
1807  */
1808 static enum bp_result construct_integrated_info(
1809 	struct bios_parser *bp,
1810 	struct integrated_info *info)
1811 {
1812 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1813 
1814 	struct atom_common_table_header *header;
1815 	struct atom_data_revision revision;
1816 
1817 	struct clock_voltage_caps temp = {0, 0};
1818 	uint32_t i;
1819 	uint32_t j;
1820 
1821 	if (info && DATA_TABLES(integratedsysteminfo)) {
1822 		header = GET_IMAGE(struct atom_common_table_header,
1823 					DATA_TABLES(integratedsysteminfo));
1824 
1825 		get_atom_data_table_revision(header, &revision);
1826 
1827 		/* Don't need to check major revision as they are all 1 */
1828 		switch (revision.minor) {
1829 		case 11:
1830 			result = get_integrated_info_v11(bp, info);
1831 			break;
1832 		default:
1833 			return result;
1834 		}
1835 	}
1836 
1837 	if (result != BP_RESULT_OK)
1838 		return result;
1839 
1840 	/* Sort voltage table from low to high*/
1841 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1842 		for (j = i; j > 0; --j) {
1843 			if (info->disp_clk_voltage[j].max_supported_clk <
1844 				info->disp_clk_voltage[j-1].max_supported_clk
1845 				) {
1846 				/* swap j and j - 1*/
1847 				temp = info->disp_clk_voltage[j-1];
1848 				info->disp_clk_voltage[j-1] =
1849 					info->disp_clk_voltage[j];
1850 				info->disp_clk_voltage[j] = temp;
1851 			}
1852 		}
1853 	}
1854 
1855 	return result;
1856 }
1857 
1858 static struct integrated_info *bios_parser_create_integrated_info(
1859 	struct dc_bios *dcb)
1860 {
1861 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1862 	struct integrated_info *info = NULL;
1863 
1864 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
1865 
1866 	if (info == NULL) {
1867 		ASSERT_CRITICAL(0);
1868 		return NULL;
1869 	}
1870 
1871 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
1872 		return info;
1873 
1874 	kfree(info);
1875 
1876 	return NULL;
1877 }
1878 
1879 static enum bp_result update_slot_layout_info(
1880 	struct dc_bios *dcb,
1881 	unsigned int i,
1882 	struct slot_layout_info *slot_layout_info)
1883 {
1884 	unsigned int record_offset;
1885 	unsigned int j;
1886 	struct atom_display_object_path_v2 *object;
1887 	struct atom_bracket_layout_record *record;
1888 	struct atom_common_record_header *record_header;
1889 	enum bp_result result;
1890 	struct bios_parser *bp;
1891 	struct object_info_table *tbl;
1892 	struct display_object_info_table_v1_4 *v1_4;
1893 
1894 	record = NULL;
1895 	record_header = NULL;
1896 	result = BP_RESULT_NORECORD;
1897 
1898 	bp = BP_FROM_DCB(dcb);
1899 	tbl = &bp->object_info_tbl;
1900 	v1_4 = tbl->v1_4;
1901 
1902 	object = &v1_4->display_path[i];
1903 	record_offset = (unsigned int)
1904 		(object->disp_recordoffset) +
1905 		(unsigned int)(bp->object_info_tbl_offset);
1906 
1907 	for (;;) {
1908 
1909 		record_header = (struct atom_common_record_header *)
1910 			GET_IMAGE(struct atom_common_record_header,
1911 			record_offset);
1912 		if (record_header == NULL) {
1913 			result = BP_RESULT_BADBIOSTABLE;
1914 			break;
1915 		}
1916 
1917 		/* the end of the list */
1918 		if (record_header->record_type == 0xff ||
1919 			record_header->record_size == 0)	{
1920 			break;
1921 		}
1922 
1923 		if (record_header->record_type ==
1924 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
1925 			sizeof(struct atom_bracket_layout_record)
1926 			<= record_header->record_size) {
1927 			record = (struct atom_bracket_layout_record *)
1928 				(record_header);
1929 			result = BP_RESULT_OK;
1930 			break;
1931 		}
1932 
1933 		record_offset += record_header->record_size;
1934 	}
1935 
1936 	/* return if the record not found */
1937 	if (result != BP_RESULT_OK)
1938 		return result;
1939 
1940 	/* get slot sizes */
1941 	slot_layout_info->length = record->bracketlen;
1942 	slot_layout_info->width = record->bracketwidth;
1943 
1944 	/* get info for each connector in the slot */
1945 	slot_layout_info->num_of_connectors = record->conn_num;
1946 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
1947 		slot_layout_info->connectors[j].connector_type =
1948 			(enum connector_layout_type)
1949 			(record->conn_info[j].connector_type);
1950 		switch (record->conn_info[j].connector_type) {
1951 		case CONNECTOR_TYPE_DVI_D:
1952 			slot_layout_info->connectors[j].connector_type =
1953 				CONNECTOR_LAYOUT_TYPE_DVI_D;
1954 			slot_layout_info->connectors[j].length =
1955 				CONNECTOR_SIZE_DVI;
1956 			break;
1957 
1958 		case CONNECTOR_TYPE_HDMI:
1959 			slot_layout_info->connectors[j].connector_type =
1960 				CONNECTOR_LAYOUT_TYPE_HDMI;
1961 			slot_layout_info->connectors[j].length =
1962 				CONNECTOR_SIZE_HDMI;
1963 			break;
1964 
1965 		case CONNECTOR_TYPE_DISPLAY_PORT:
1966 			slot_layout_info->connectors[j].connector_type =
1967 				CONNECTOR_LAYOUT_TYPE_DP;
1968 			slot_layout_info->connectors[j].length =
1969 				CONNECTOR_SIZE_DP;
1970 			break;
1971 
1972 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
1973 			slot_layout_info->connectors[j].connector_type =
1974 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
1975 			slot_layout_info->connectors[j].length =
1976 				CONNECTOR_SIZE_MINI_DP;
1977 			break;
1978 
1979 		default:
1980 			slot_layout_info->connectors[j].connector_type =
1981 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
1982 			slot_layout_info->connectors[j].length =
1983 				CONNECTOR_SIZE_UNKNOWN;
1984 		}
1985 
1986 		slot_layout_info->connectors[j].position =
1987 			record->conn_info[j].position;
1988 		slot_layout_info->connectors[j].connector_id =
1989 			object_id_from_bios_object_id(
1990 				record->conn_info[j].connectorobjid);
1991 	}
1992 	return result;
1993 }
1994 
1995 
1996 static enum bp_result get_bracket_layout_record(
1997 	struct dc_bios *dcb,
1998 	unsigned int bracket_layout_id,
1999 	struct slot_layout_info *slot_layout_info)
2000 {
2001 	unsigned int i;
2002 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2003 	enum bp_result result;
2004 	struct object_info_table *tbl;
2005 	struct display_object_info_table_v1_4 *v1_4;
2006 
2007 	if (slot_layout_info == NULL) {
2008 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
2009 		return BP_RESULT_BADINPUT;
2010 	}
2011 	tbl = &bp->object_info_tbl;
2012 	v1_4 = tbl->v1_4;
2013 
2014 	result = BP_RESULT_NORECORD;
2015 	for (i = 0; i < v1_4->number_of_path; ++i)	{
2016 
2017 		if (bracket_layout_id ==
2018 			v1_4->display_path[i].display_objid) {
2019 			result = update_slot_layout_info(dcb, i,
2020 				slot_layout_info);
2021 			break;
2022 		}
2023 	}
2024 	return result;
2025 }
2026 
2027 static enum bp_result bios_get_board_layout_info(
2028 	struct dc_bios *dcb,
2029 	struct board_layout_info *board_layout_info)
2030 {
2031 	unsigned int i;
2032 	struct bios_parser *bp;
2033 	enum bp_result record_result;
2034 
2035 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
2036 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
2037 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
2038 		0, 0
2039 	};
2040 
2041 	bp = BP_FROM_DCB(dcb);
2042 	if (board_layout_info == NULL) {
2043 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
2044 		return BP_RESULT_BADINPUT;
2045 	}
2046 
2047 	board_layout_info->num_of_slots = 0;
2048 
2049 	for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
2050 		record_result = get_bracket_layout_record(dcb,
2051 			slot_index_to_vbios_id[i],
2052 			&board_layout_info->slots[i]);
2053 
2054 		if (record_result == BP_RESULT_NORECORD && i > 0)
2055 			break; /* no more slots present in bios */
2056 		else if (record_result != BP_RESULT_OK)
2057 			return record_result;  /* fail */
2058 
2059 		++board_layout_info->num_of_slots;
2060 	}
2061 
2062 	/* all data is valid */
2063 	board_layout_info->is_number_of_slots_valid = 1;
2064 	board_layout_info->is_slots_size_valid = 1;
2065 	board_layout_info->is_connector_offsets_valid = 1;
2066 	board_layout_info->is_connector_lengths_valid = 1;
2067 
2068 	return BP_RESULT_OK;
2069 }
2070 
2071 static const struct dc_vbios_funcs vbios_funcs = {
2072 	.get_connectors_number = bios_parser_get_connectors_number,
2073 
2074 	.get_encoder_id = bios_parser_get_encoder_id,
2075 
2076 	.get_connector_id = bios_parser_get_connector_id,
2077 
2078 	.get_dst_number = bios_parser_get_dst_number,
2079 
2080 	.get_src_obj = bios_parser_get_src_obj,
2081 
2082 	.get_dst_obj = bios_parser_get_dst_obj,
2083 
2084 	.get_i2c_info = bios_parser_get_i2c_info,
2085 
2086 	.get_voltage_ddc_info = bios_parser_get_voltage_ddc_info,
2087 
2088 	.get_thermal_ddc_info = bios_parser_get_thermal_ddc_info,
2089 
2090 	.get_hpd_info = bios_parser_get_hpd_info,
2091 
2092 	.get_device_tag = bios_parser_get_device_tag,
2093 
2094 	.get_firmware_info = bios_parser_get_firmware_info,
2095 
2096 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
2097 
2098 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
2099 
2100 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
2101 
2102 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
2103 
2104 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
2105 
2106 	.is_device_id_supported = bios_parser_is_device_id_supported,
2107 
2108 
2109 
2110 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
2111 	.get_vga_enabled_displays = bios_parser_get_vga_enabled_displays,
2112 
2113 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
2114 
2115 
2116 /*	 COMMANDS */
2117 	.encoder_control = bios_parser_encoder_control,
2118 
2119 	.transmitter_control = bios_parser_transmitter_control,
2120 
2121 	.enable_crtc = bios_parser_enable_crtc,
2122 
2123 	.set_pixel_clock = bios_parser_set_pixel_clock,
2124 
2125 	.set_dce_clock = bios_parser_set_dce_clock,
2126 
2127 	.program_crtc_timing = bios_parser_program_crtc_timing,
2128 
2129 	/* .blank_crtc = bios_parser_blank_crtc, */
2130 
2131 	.crtc_source_select = bios_parser_crtc_source_select,
2132 
2133 	/* .external_encoder_control = bios_parser_external_encoder_control, */
2134 
2135 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
2136 
2137 	.post_init = bios_parser_post_init,
2138 
2139 	.bios_parser_destroy = firmware_parser_destroy,
2140 
2141 	.get_smu_clock_info = bios_parser_get_smu_clock_info,
2142 
2143 	.get_board_layout_info = bios_get_board_layout_info,
2144 };
2145 
2146 static bool bios_parser_construct(
2147 	struct bios_parser *bp,
2148 	struct bp_init_data *init,
2149 	enum dce_version dce_version)
2150 {
2151 	uint16_t *rom_header_offset = NULL;
2152 	struct atom_rom_header_v2_2 *rom_header = NULL;
2153 	struct display_object_info_table_v1_4 *object_info_tbl;
2154 	struct atom_data_revision tbl_rev = {0};
2155 
2156 	if (!init)
2157 		return false;
2158 
2159 	if (!init->bios)
2160 		return false;
2161 
2162 	bp->base.funcs = &vbios_funcs;
2163 	bp->base.bios = init->bios;
2164 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
2165 
2166 	bp->base.ctx = init->ctx;
2167 
2168 	bp->base.bios_local_image = NULL;
2169 
2170 	rom_header_offset =
2171 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
2172 
2173 	if (!rom_header_offset)
2174 		return false;
2175 
2176 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
2177 
2178 	if (!rom_header)
2179 		return false;
2180 
2181 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
2182 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
2183 		return false;
2184 
2185 	bp->master_data_tbl =
2186 		GET_IMAGE(struct atom_master_data_table_v2_1,
2187 				rom_header->masterdatatable_offset);
2188 
2189 	if (!bp->master_data_tbl)
2190 		return false;
2191 
2192 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
2193 
2194 	if (!bp->object_info_tbl_offset)
2195 		return false;
2196 
2197 	object_info_tbl =
2198 			GET_IMAGE(struct display_object_info_table_v1_4,
2199 						bp->object_info_tbl_offset);
2200 
2201 	if (!object_info_tbl)
2202 		return false;
2203 
2204 	get_atom_data_table_revision(&object_info_tbl->table_header,
2205 		&bp->object_info_tbl.revision);
2206 
2207 	if (bp->object_info_tbl.revision.major == 1
2208 		&& bp->object_info_tbl.revision.minor >= 4) {
2209 		struct display_object_info_table_v1_4 *tbl_v1_4;
2210 
2211 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
2212 			bp->object_info_tbl_offset);
2213 		if (!tbl_v1_4)
2214 			return false;
2215 
2216 		bp->object_info_tbl.v1_4 = tbl_v1_4;
2217 	} else
2218 		return false;
2219 
2220 	dal_firmware_parser_init_cmd_tbl(bp);
2221 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
2222 
2223 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
2224 
2225 	return true;
2226 }
2227 
2228 struct dc_bios *firmware_parser_create(
2229 	struct bp_init_data *init,
2230 	enum dce_version dce_version)
2231 {
2232 	struct bios_parser *bp = NULL;
2233 
2234 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2235 	if (!bp)
2236 		return NULL;
2237 
2238 	if (bios_parser_construct(bp, init, dce_version))
2239 		return &bp->base;
2240 
2241 	kfree(bp);
2242 	return NULL;
2243 }
2244 
2245 
2246