1 /*
2  * Copyright 2012-15 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #include <linux/slab.h>
27 
28 #include "dm_services.h"
29 
30 #include "ObjectID.h"
31 #include "atomfirmware.h"
32 
33 #include "dc_bios_types.h"
34 #include "include/grph_object_ctrl_defs.h"
35 #include "include/bios_parser_interface.h"
36 #include "include/i2caux_interface.h"
37 #include "include/logger_interface.h"
38 
39 #include "command_table2.h"
40 
41 #include "bios_parser_helper.h"
42 #include "command_table_helper2.h"
43 #include "bios_parser2.h"
44 #include "bios_parser_types_internal2.h"
45 #include "bios_parser_interface.h"
46 
47 #include "bios_parser_common.h"
48 
49 /* Temporarily add in defines until ObjectID.h patch is updated in a few days */
50 #ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT
51 #define GENERIC_OBJECT_ID_BRACKET_LAYOUT          0x05
52 #endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */
53 
54 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1
55 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1	\
56 	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
57 	GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\
58 	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
59 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */
60 
61 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2
62 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2	\
63 	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
64 	GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\
65 	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
66 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */
67 
68 #define DC_LOGGER \
69 	bp->base.ctx->logger
70 
71 #define LAST_RECORD_TYPE 0xff
72 #define SMU9_SYSPLL0_ID  0
73 
74 struct i2c_id_config_access {
75 	uint8_t bfI2C_LineMux:4;
76 	uint8_t bfHW_EngineID:3;
77 	uint8_t bfHW_Capable:1;
78 	uint8_t ucAccess;
79 };
80 
81 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
82 	struct atom_i2c_record *record,
83 	struct graphics_object_i2c_info *info);
84 
85 static enum bp_result bios_parser_get_firmware_info(
86 	struct dc_bios *dcb,
87 	struct dc_firmware_info *info);
88 
89 static enum bp_result bios_parser_get_encoder_cap_info(
90 	struct dc_bios *dcb,
91 	struct graphics_object_id object_id,
92 	struct bp_encoder_cap_info *info);
93 
94 static enum bp_result get_firmware_info_v3_1(
95 	struct bios_parser *bp,
96 	struct dc_firmware_info *info);
97 
98 static enum bp_result get_firmware_info_v3_2(
99 	struct bios_parser *bp,
100 	struct dc_firmware_info *info);
101 
102 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
103 		struct atom_display_object_path_v2 *object);
104 
105 static struct atom_encoder_caps_record *get_encoder_cap_record(
106 	struct bios_parser *bp,
107 	struct atom_display_object_path_v2 *object);
108 
109 #define BIOS_IMAGE_SIZE_OFFSET 2
110 #define BIOS_IMAGE_SIZE_UNIT 512
111 
112 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
113 
bios_parser2_destruct(struct bios_parser * bp)114 static void bios_parser2_destruct(struct bios_parser *bp)
115 {
116 	kfree(bp->base.bios_local_image);
117 	kfree(bp->base.integrated_info);
118 }
119 
firmware_parser_destroy(struct dc_bios ** dcb)120 static void firmware_parser_destroy(struct dc_bios **dcb)
121 {
122 	struct bios_parser *bp = BP_FROM_DCB(*dcb);
123 
124 	if (!bp) {
125 		BREAK_TO_DEBUGGER();
126 		return;
127 	}
128 
129 	bios_parser2_destruct(bp);
130 
131 	kfree(bp);
132 	*dcb = NULL;
133 }
134 
get_atom_data_table_revision(struct atom_common_table_header * atom_data_tbl,struct atom_data_revision * tbl_revision)135 static void get_atom_data_table_revision(
136 	struct atom_common_table_header *atom_data_tbl,
137 	struct atom_data_revision *tbl_revision)
138 {
139 	if (!tbl_revision)
140 		return;
141 
142 	/* initialize the revision to 0 which is invalid revision */
143 	tbl_revision->major = 0;
144 	tbl_revision->minor = 0;
145 
146 	if (!atom_data_tbl)
147 		return;
148 
149 	tbl_revision->major =
150 			(uint32_t) atom_data_tbl->format_revision & 0x3f;
151 	tbl_revision->minor =
152 			(uint32_t) atom_data_tbl->content_revision & 0x3f;
153 }
154 
155 /* BIOS oject table displaypath is per connector.
156  * There is extra path not for connector. BIOS fill its encoderid as 0
157  */
bios_parser_get_connectors_number(struct dc_bios * dcb)158 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
159 {
160 	struct bios_parser *bp = BP_FROM_DCB(dcb);
161 	unsigned int count = 0;
162 	unsigned int i;
163 
164 	for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
165 		if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
166 			count++;
167 	}
168 	return count;
169 }
170 
bios_parser_get_connector_id(struct dc_bios * dcb,uint8_t i)171 static struct graphics_object_id bios_parser_get_connector_id(
172 	struct dc_bios *dcb,
173 	uint8_t i)
174 {
175 	struct bios_parser *bp = BP_FROM_DCB(dcb);
176 	struct graphics_object_id object_id = dal_graphics_object_id_init(
177 		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
178 	struct object_info_table *tbl = &bp->object_info_tbl;
179 	struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
180 
181 	if (v1_4->number_of_path > i) {
182 		/* If display_objid is generic object id,  the encoderObj
183 		 * /extencoderobjId should be 0
184 		 */
185 		if (v1_4->display_path[i].encoderobjid != 0 &&
186 				v1_4->display_path[i].display_objid != 0)
187 			object_id = object_id_from_bios_object_id(
188 					v1_4->display_path[i].display_objid);
189 	}
190 
191 	return object_id;
192 }
193 
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)194 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
195 	struct graphics_object_id object_id, uint32_t index,
196 	struct graphics_object_id *src_object_id)
197 {
198 	struct bios_parser *bp = BP_FROM_DCB(dcb);
199 	unsigned int i;
200 	enum bp_result  bp_result = BP_RESULT_BADINPUT;
201 	struct graphics_object_id obj_id = {0};
202 	struct object_info_table *tbl = &bp->object_info_tbl;
203 
204 	if (!src_object_id)
205 		return bp_result;
206 
207 	switch (object_id.type) {
208 	/* Encoder's Source is GPU.  BIOS does not provide GPU, since all
209 	 * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
210 	 */
211 	case OBJECT_TYPE_ENCODER:
212 		/* TODO: since num of src must be less than 2.
213 		 * If found in for loop, should break.
214 		 * DAL2 implementation may be changed too
215 		 */
216 		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
217 			obj_id = object_id_from_bios_object_id(
218 			tbl->v1_4->display_path[i].encoderobjid);
219 			if (object_id.type == obj_id.type &&
220 					object_id.id == obj_id.id &&
221 						object_id.enum_id ==
222 							obj_id.enum_id) {
223 				*src_object_id =
224 				object_id_from_bios_object_id(0x1100);
225 				/* break; */
226 			}
227 		}
228 		bp_result = BP_RESULT_OK;
229 		break;
230 	case OBJECT_TYPE_CONNECTOR:
231 		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
232 			obj_id = object_id_from_bios_object_id(
233 				tbl->v1_4->display_path[i].display_objid);
234 
235 			if (object_id.type == obj_id.type &&
236 				object_id.id == obj_id.id &&
237 					object_id.enum_id == obj_id.enum_id) {
238 				*src_object_id =
239 				object_id_from_bios_object_id(
240 				tbl->v1_4->display_path[i].encoderobjid);
241 				/* break; */
242 			}
243 		}
244 		bp_result = BP_RESULT_OK;
245 		break;
246 	default:
247 		break;
248 	}
249 
250 	return bp_result;
251 }
252 
253 /* from graphics_object_id, find display path which includes the object_id */
get_bios_object(struct bios_parser * bp,struct graphics_object_id id)254 static struct atom_display_object_path_v2 *get_bios_object(
255 		struct bios_parser *bp,
256 		struct graphics_object_id id)
257 {
258 	unsigned int i;
259 	struct graphics_object_id obj_id = {0};
260 
261 	switch (id.type) {
262 	case OBJECT_TYPE_ENCODER:
263 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
264 			obj_id = object_id_from_bios_object_id(
265 					bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
266 			if (id.type == obj_id.type && id.id == obj_id.id
267 					&& id.enum_id == obj_id.enum_id)
268 				return &bp->object_info_tbl.v1_4->display_path[i];
269 		}
270 		fallthrough;
271 	case OBJECT_TYPE_CONNECTOR:
272 	case OBJECT_TYPE_GENERIC:
273 		/* Both Generic and Connector Object ID
274 		 * will be stored on display_objid
275 		 */
276 		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
277 			obj_id = object_id_from_bios_object_id(
278 					bp->object_info_tbl.v1_4->display_path[i].display_objid);
279 			if (id.type == obj_id.type && id.id == obj_id.id
280 					&& id.enum_id == obj_id.enum_id)
281 				return &bp->object_info_tbl.v1_4->display_path[i];
282 		}
283 		fallthrough;
284 	default:
285 		return NULL;
286 	}
287 }
288 
bios_parser_get_i2c_info(struct dc_bios * dcb,struct graphics_object_id id,struct graphics_object_i2c_info * info)289 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
290 	struct graphics_object_id id,
291 	struct graphics_object_i2c_info *info)
292 {
293 	uint32_t offset;
294 	struct atom_display_object_path_v2 *object;
295 	struct atom_common_record_header *header;
296 	struct atom_i2c_record *record;
297 	struct atom_i2c_record dummy_record = {0};
298 	struct bios_parser *bp = BP_FROM_DCB(dcb);
299 
300 	if (!info)
301 		return BP_RESULT_BADINPUT;
302 
303 	if (id.type == OBJECT_TYPE_GENERIC) {
304 		dummy_record.i2c_id = id.id;
305 
306 		if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
307 			return BP_RESULT_OK;
308 		else
309 			return BP_RESULT_NORECORD;
310 	}
311 
312 	object = get_bios_object(bp, id);
313 
314 	if (!object)
315 		return BP_RESULT_BADINPUT;
316 
317 	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
318 
319 	for (;;) {
320 		header = GET_IMAGE(struct atom_common_record_header, offset);
321 
322 		if (!header)
323 			return BP_RESULT_BADBIOSTABLE;
324 
325 		if (header->record_type == LAST_RECORD_TYPE ||
326 			!header->record_size)
327 			break;
328 
329 		if (header->record_type == ATOM_I2C_RECORD_TYPE
330 			&& sizeof(struct atom_i2c_record) <=
331 							header->record_size) {
332 			/* get the I2C info */
333 			record = (struct atom_i2c_record *) header;
334 
335 			if (get_gpio_i2c_info(bp, record, info) ==
336 								BP_RESULT_OK)
337 				return BP_RESULT_OK;
338 		}
339 
340 		offset += header->record_size;
341 	}
342 
343 	return BP_RESULT_NORECORD;
344 }
345 
get_gpio_i2c_info(struct bios_parser * bp,struct atom_i2c_record * record,struct graphics_object_i2c_info * info)346 static enum bp_result get_gpio_i2c_info(
347 	struct bios_parser *bp,
348 	struct atom_i2c_record *record,
349 	struct graphics_object_i2c_info *info)
350 {
351 	struct atom_gpio_pin_lut_v2_1 *header;
352 	uint32_t count = 0;
353 	unsigned int table_index = 0;
354 	bool find_valid = false;
355 
356 	if (!info)
357 		return BP_RESULT_BADINPUT;
358 
359 	/* get the GPIO_I2C info */
360 	if (!DATA_TABLES(gpio_pin_lut))
361 		return BP_RESULT_BADBIOSTABLE;
362 
363 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
364 					DATA_TABLES(gpio_pin_lut));
365 	if (!header)
366 		return BP_RESULT_BADBIOSTABLE;
367 
368 	if (sizeof(struct atom_common_table_header) +
369 			sizeof(struct atom_gpio_pin_assignment)	>
370 			le16_to_cpu(header->table_header.structuresize))
371 		return BP_RESULT_BADBIOSTABLE;
372 
373 	/* TODO: is version change? */
374 	if (header->table_header.content_revision != 1)
375 		return BP_RESULT_UNSUPPORTED;
376 
377 	/* get data count */
378 	count = (le16_to_cpu(header->table_header.structuresize)
379 			- sizeof(struct atom_common_table_header))
380 				/ sizeof(struct atom_gpio_pin_assignment);
381 
382 	for (table_index = 0; table_index < count; table_index++) {
383 		if (((record->i2c_id & I2C_HW_CAP) == (
384 		header->gpio_pin[table_index].gpio_id &
385 						I2C_HW_CAP)) &&
386 		((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
387 		(header->gpio_pin[table_index].gpio_id &
388 					I2C_HW_ENGINE_ID_MASK)) &&
389 		((record->i2c_id & I2C_HW_LANE_MUX) ==
390 		(header->gpio_pin[table_index].gpio_id &
391 						I2C_HW_LANE_MUX))) {
392 			/* still valid */
393 			find_valid = true;
394 			break;
395 		}
396 	}
397 
398 	/* If we don't find the entry that we are looking for then
399 	 *  we will return BP_Result_BadBiosTable.
400 	 */
401 	if (find_valid == false)
402 		return BP_RESULT_BADBIOSTABLE;
403 
404 	/* get the GPIO_I2C_INFO */
405 	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
406 	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
407 	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
408 	info->i2c_slave_address = record->i2c_slave_addr;
409 
410 	/* TODO: check how to get register offset for en, Y, etc. */
411 	info->gpio_info.clk_a_register_index =
412 			le16_to_cpu(
413 			header->gpio_pin[table_index].data_a_reg_index);
414 	info->gpio_info.clk_a_shift =
415 			header->gpio_pin[table_index].gpio_bitshift;
416 
417 	return BP_RESULT_OK;
418 }
419 
bios_parser_get_hpd_info(struct dc_bios * dcb,struct graphics_object_id id,struct graphics_object_hpd_info * info)420 static enum bp_result bios_parser_get_hpd_info(
421 	struct dc_bios *dcb,
422 	struct graphics_object_id id,
423 	struct graphics_object_hpd_info *info)
424 {
425 	struct bios_parser *bp = BP_FROM_DCB(dcb);
426 	struct atom_display_object_path_v2 *object;
427 	struct atom_hpd_int_record *record = NULL;
428 
429 	if (!info)
430 		return BP_RESULT_BADINPUT;
431 
432 	object = get_bios_object(bp, id);
433 
434 	if (!object)
435 		return BP_RESULT_BADINPUT;
436 
437 	record = get_hpd_record(bp, object);
438 
439 	if (record != NULL) {
440 		info->hpd_int_gpio_uid = record->pin_id;
441 		info->hpd_active = record->plugin_pin_state;
442 		return BP_RESULT_OK;
443 	}
444 
445 	return BP_RESULT_NORECORD;
446 }
447 
get_hpd_record(struct bios_parser * bp,struct atom_display_object_path_v2 * object)448 static struct atom_hpd_int_record *get_hpd_record(
449 	struct bios_parser *bp,
450 	struct atom_display_object_path_v2 *object)
451 {
452 	struct atom_common_record_header *header;
453 	uint32_t offset;
454 
455 	if (!object) {
456 		BREAK_TO_DEBUGGER(); /* Invalid object */
457 		return NULL;
458 	}
459 
460 	offset = le16_to_cpu(object->disp_recordoffset)
461 			+ bp->object_info_tbl_offset;
462 
463 	for (;;) {
464 		header = GET_IMAGE(struct atom_common_record_header, offset);
465 
466 		if (!header)
467 			return NULL;
468 
469 		if (header->record_type == LAST_RECORD_TYPE ||
470 			!header->record_size)
471 			break;
472 
473 		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
474 			&& sizeof(struct atom_hpd_int_record) <=
475 							header->record_size)
476 			return (struct atom_hpd_int_record *) header;
477 
478 		offset += header->record_size;
479 	}
480 
481 	return NULL;
482 }
483 
484 /**
485  * bios_parser_get_gpio_pin_info
486  * Get GpioPin information of input gpio id
487  *
488  * @param gpio_id, GPIO ID
489  * @param info, GpioPin information structure
490  * @return Bios parser result code
491  * @note
492  *  to get the GPIO PIN INFO, we need:
493  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
494  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
495  *	to get the registerA  offset/mask
496  */
bios_parser_get_gpio_pin_info(struct dc_bios * dcb,uint32_t gpio_id,struct gpio_pin_info * info)497 static enum bp_result bios_parser_get_gpio_pin_info(
498 	struct dc_bios *dcb,
499 	uint32_t gpio_id,
500 	struct gpio_pin_info *info)
501 {
502 	struct bios_parser *bp = BP_FROM_DCB(dcb);
503 	struct atom_gpio_pin_lut_v2_1 *header;
504 	uint32_t count = 0;
505 	uint32_t i = 0;
506 
507 	if (!DATA_TABLES(gpio_pin_lut))
508 		return BP_RESULT_BADBIOSTABLE;
509 
510 	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
511 						DATA_TABLES(gpio_pin_lut));
512 	if (!header)
513 		return BP_RESULT_BADBIOSTABLE;
514 
515 	if (sizeof(struct atom_common_table_header) +
516 			sizeof(struct atom_gpio_pin_assignment)
517 			> le16_to_cpu(header->table_header.structuresize))
518 		return BP_RESULT_BADBIOSTABLE;
519 
520 	if (header->table_header.content_revision != 1)
521 		return BP_RESULT_UNSUPPORTED;
522 
523 	/* Temporary hard code gpio pin info */
524 #if defined(FOR_SIMNOW_BOOT)
525 	{
526 		struct  atom_gpio_pin_assignment  gpio_pin[8] = {
527 				{0x5db5, 0, 0, 1, 0},
528 				{0x5db5, 8, 8, 2, 0},
529 				{0x5db5, 0x10, 0x10, 3, 0},
530 				{0x5db5, 0x18, 0x14, 4, 0},
531 				{0x5db5, 0x1A, 0x18, 5, 0},
532 				{0x5db5, 0x1C, 0x1C, 6, 0},
533 		};
534 
535 		count = 6;
536 		memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
537 	}
538 #else
539 	count = (le16_to_cpu(header->table_header.structuresize)
540 			- sizeof(struct atom_common_table_header))
541 				/ sizeof(struct atom_gpio_pin_assignment);
542 #endif
543 	for (i = 0; i < count; ++i) {
544 		if (header->gpio_pin[i].gpio_id != gpio_id)
545 			continue;
546 
547 		info->offset =
548 			(uint32_t) le16_to_cpu(
549 					header->gpio_pin[i].data_a_reg_index);
550 		info->offset_y = info->offset + 2;
551 		info->offset_en = info->offset + 1;
552 		info->offset_mask = info->offset - 1;
553 
554 		info->mask = (uint32_t) (1 <<
555 			header->gpio_pin[i].gpio_bitshift);
556 		info->mask_y = info->mask + 2;
557 		info->mask_en = info->mask + 1;
558 		info->mask_mask = info->mask - 1;
559 
560 		return BP_RESULT_OK;
561 	}
562 
563 	return BP_RESULT_NORECORD;
564 }
565 
device_type_from_device_id(uint16_t device_id)566 static struct device_id device_type_from_device_id(uint16_t device_id)
567 {
568 
569 	struct device_id result_device_id;
570 
571 	result_device_id.raw_device_tag = device_id;
572 
573 	switch (device_id) {
574 	case ATOM_DISPLAY_LCD1_SUPPORT:
575 		result_device_id.device_type = DEVICE_TYPE_LCD;
576 		result_device_id.enum_id = 1;
577 		break;
578 
579 	case ATOM_DISPLAY_DFP1_SUPPORT:
580 		result_device_id.device_type = DEVICE_TYPE_DFP;
581 		result_device_id.enum_id = 1;
582 		break;
583 
584 	case ATOM_DISPLAY_DFP2_SUPPORT:
585 		result_device_id.device_type = DEVICE_TYPE_DFP;
586 		result_device_id.enum_id = 2;
587 		break;
588 
589 	case ATOM_DISPLAY_DFP3_SUPPORT:
590 		result_device_id.device_type = DEVICE_TYPE_DFP;
591 		result_device_id.enum_id = 3;
592 		break;
593 
594 	case ATOM_DISPLAY_DFP4_SUPPORT:
595 		result_device_id.device_type = DEVICE_TYPE_DFP;
596 		result_device_id.enum_id = 4;
597 		break;
598 
599 	case ATOM_DISPLAY_DFP5_SUPPORT:
600 		result_device_id.device_type = DEVICE_TYPE_DFP;
601 		result_device_id.enum_id = 5;
602 		break;
603 
604 	case ATOM_DISPLAY_DFP6_SUPPORT:
605 		result_device_id.device_type = DEVICE_TYPE_DFP;
606 		result_device_id.enum_id = 6;
607 		break;
608 
609 	default:
610 		BREAK_TO_DEBUGGER(); /* Invalid device Id */
611 		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
612 		result_device_id.enum_id = 0;
613 	}
614 	return result_device_id;
615 }
616 
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)617 static enum bp_result bios_parser_get_device_tag(
618 	struct dc_bios *dcb,
619 	struct graphics_object_id connector_object_id,
620 	uint32_t device_tag_index,
621 	struct connector_device_tag_info *info)
622 {
623 	struct bios_parser *bp = BP_FROM_DCB(dcb);
624 	struct atom_display_object_path_v2 *object;
625 
626 	if (!info)
627 		return BP_RESULT_BADINPUT;
628 
629 	/* getBiosObject will return MXM object */
630 	object = get_bios_object(bp, connector_object_id);
631 
632 	if (!object) {
633 		BREAK_TO_DEBUGGER(); /* Invalid object id */
634 		return BP_RESULT_BADINPUT;
635 	}
636 
637 	info->acpi_device = 0; /* BIOS no longer provides this */
638 	info->dev_id = device_type_from_device_id(object->device_tag);
639 
640 	return BP_RESULT_OK;
641 }
642 
get_ss_info_v4_1(struct bios_parser * bp,uint32_t id,uint32_t index,struct spread_spectrum_info * ss_info)643 static enum bp_result get_ss_info_v4_1(
644 	struct bios_parser *bp,
645 	uint32_t id,
646 	uint32_t index,
647 	struct spread_spectrum_info *ss_info)
648 {
649 	enum bp_result result = BP_RESULT_OK;
650 	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
651 	struct atom_smu_info_v3_3 *smu_info = NULL;
652 
653 	if (!ss_info)
654 		return BP_RESULT_BADINPUT;
655 
656 	if (!DATA_TABLES(dce_info))
657 		return BP_RESULT_BADBIOSTABLE;
658 
659 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
660 							DATA_TABLES(dce_info));
661 	if (!disp_cntl_tbl)
662 		return BP_RESULT_BADBIOSTABLE;
663 
664 
665 	ss_info->type.STEP_AND_DELAY_INFO = false;
666 	ss_info->spread_percentage_divider = 1000;
667 	/* BIOS no longer uses target clock.  Always enable for now */
668 	ss_info->target_clock_range = 0xffffffff;
669 
670 	switch (id) {
671 	case AS_SIGNAL_TYPE_DVI:
672 		ss_info->spread_spectrum_percentage =
673 				disp_cntl_tbl->dvi_ss_percentage;
674 		ss_info->spread_spectrum_range =
675 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
676 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
677 			ss_info->type.CENTER_MODE = true;
678 		break;
679 	case AS_SIGNAL_TYPE_HDMI:
680 		ss_info->spread_spectrum_percentage =
681 				disp_cntl_tbl->hdmi_ss_percentage;
682 		ss_info->spread_spectrum_range =
683 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
684 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
685 			ss_info->type.CENTER_MODE = true;
686 		break;
687 	/* TODO LVDS not support anymore? */
688 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
689 		ss_info->spread_spectrum_percentage =
690 				disp_cntl_tbl->dp_ss_percentage;
691 		ss_info->spread_spectrum_range =
692 				disp_cntl_tbl->dp_ss_rate_10hz * 10;
693 		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
694 			ss_info->type.CENTER_MODE = true;
695 		break;
696 	case AS_SIGNAL_TYPE_GPU_PLL:
697 		/* atom_firmware: DAL only get data from dce_info table.
698 		 * if data within smu_info is needed for DAL, VBIOS should
699 		 * copy it into dce_info
700 		 */
701 		result = BP_RESULT_UNSUPPORTED;
702 		break;
703 	case AS_SIGNAL_TYPE_XGMI:
704 		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
705 				      DATA_TABLES(smu_info));
706 		if (!smu_info)
707 			return BP_RESULT_BADBIOSTABLE;
708 
709 		ss_info->spread_spectrum_percentage =
710 				smu_info->waflclk_ss_percentage;
711 		ss_info->spread_spectrum_range =
712 				smu_info->gpuclk_ss_rate_10hz * 10;
713 		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
714 			ss_info->type.CENTER_MODE = true;
715 		break;
716 	default:
717 		result = BP_RESULT_UNSUPPORTED;
718 	}
719 
720 	return result;
721 }
722 
get_ss_info_v4_2(struct bios_parser * bp,uint32_t id,uint32_t index,struct spread_spectrum_info * ss_info)723 static enum bp_result get_ss_info_v4_2(
724 	struct bios_parser *bp,
725 	uint32_t id,
726 	uint32_t index,
727 	struct spread_spectrum_info *ss_info)
728 {
729 	enum bp_result result = BP_RESULT_OK;
730 	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
731 	struct atom_smu_info_v3_1 *smu_info = NULL;
732 
733 	if (!ss_info)
734 		return BP_RESULT_BADINPUT;
735 
736 	if (!DATA_TABLES(dce_info))
737 		return BP_RESULT_BADBIOSTABLE;
738 
739 	if (!DATA_TABLES(smu_info))
740 		return BP_RESULT_BADBIOSTABLE;
741 
742 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
743 							DATA_TABLES(dce_info));
744 	if (!disp_cntl_tbl)
745 		return BP_RESULT_BADBIOSTABLE;
746 
747 	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
748 	if (!smu_info)
749 		return BP_RESULT_BADBIOSTABLE;
750 
751 	ss_info->type.STEP_AND_DELAY_INFO = false;
752 	ss_info->spread_percentage_divider = 1000;
753 	/* BIOS no longer uses target clock.  Always enable for now */
754 	ss_info->target_clock_range = 0xffffffff;
755 
756 	switch (id) {
757 	case AS_SIGNAL_TYPE_DVI:
758 		ss_info->spread_spectrum_percentage =
759 				disp_cntl_tbl->dvi_ss_percentage;
760 		ss_info->spread_spectrum_range =
761 				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
762 		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
763 			ss_info->type.CENTER_MODE = true;
764 		break;
765 	case AS_SIGNAL_TYPE_HDMI:
766 		ss_info->spread_spectrum_percentage =
767 				disp_cntl_tbl->hdmi_ss_percentage;
768 		ss_info->spread_spectrum_range =
769 				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
770 		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
771 			ss_info->type.CENTER_MODE = true;
772 		break;
773 	/* TODO LVDS not support anymore? */
774 	case AS_SIGNAL_TYPE_DISPLAY_PORT:
775 		ss_info->spread_spectrum_percentage =
776 				smu_info->gpuclk_ss_percentage;
777 		ss_info->spread_spectrum_range =
778 				smu_info->gpuclk_ss_rate_10hz * 10;
779 		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
780 			ss_info->type.CENTER_MODE = true;
781 		break;
782 	case AS_SIGNAL_TYPE_GPU_PLL:
783 		/* atom_firmware: DAL only get data from dce_info table.
784 		 * if data within smu_info is needed for DAL, VBIOS should
785 		 * copy it into dce_info
786 		 */
787 		result = BP_RESULT_UNSUPPORTED;
788 		break;
789 	default:
790 		result = BP_RESULT_UNSUPPORTED;
791 	}
792 
793 	return result;
794 }
795 
796 /**
797  * bios_parser_get_spread_spectrum_info
798  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
799  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
800  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
801  * ver 3.1,
802  * there is only one entry for each signal /ss id.  However, there is
803  * no planning of supporting multiple spread Sprectum entry for EverGreen
804  * @param [in] this
805  * @param [in] signal, ASSignalType to be converted to info index
806  * @param [in] index, number of entries that match the converted info index
807  * @param [out] ss_info, sprectrum information structure,
808  * @return Bios parser result code
809  */
bios_parser_get_spread_spectrum_info(struct dc_bios * dcb,enum as_signal_type signal,uint32_t index,struct spread_spectrum_info * ss_info)810 static enum bp_result bios_parser_get_spread_spectrum_info(
811 	struct dc_bios *dcb,
812 	enum as_signal_type signal,
813 	uint32_t index,
814 	struct spread_spectrum_info *ss_info)
815 {
816 	struct bios_parser *bp = BP_FROM_DCB(dcb);
817 	enum bp_result result = BP_RESULT_UNSUPPORTED;
818 	struct atom_common_table_header *header;
819 	struct atom_data_revision tbl_revision;
820 
821 	if (!ss_info) /* check for bad input */
822 		return BP_RESULT_BADINPUT;
823 
824 	if (!DATA_TABLES(dce_info))
825 		return BP_RESULT_UNSUPPORTED;
826 
827 	header = GET_IMAGE(struct atom_common_table_header,
828 						DATA_TABLES(dce_info));
829 	get_atom_data_table_revision(header, &tbl_revision);
830 
831 	switch (tbl_revision.major) {
832 	case 4:
833 		switch (tbl_revision.minor) {
834 		case 1:
835 			return get_ss_info_v4_1(bp, signal, index, ss_info);
836 		case 2:
837 		case 3:
838 			return get_ss_info_v4_2(bp, signal, index, ss_info);
839 		default:
840 			break;
841 		}
842 		break;
843 	default:
844 		break;
845 	}
846 	/* there can not be more then one entry for SS Info table */
847 	return result;
848 }
849 
get_soc_bb_info_v4_4(struct bios_parser * bp,struct bp_soc_bb_info * soc_bb_info)850 static enum bp_result get_soc_bb_info_v4_4(
851 	struct bios_parser *bp,
852 	struct bp_soc_bb_info *soc_bb_info)
853 {
854 	enum bp_result result = BP_RESULT_OK;
855 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
856 
857 	if (!soc_bb_info)
858 		return BP_RESULT_BADINPUT;
859 
860 	if (!DATA_TABLES(dce_info))
861 		return BP_RESULT_BADBIOSTABLE;
862 
863 	if (!DATA_TABLES(smu_info))
864 		return BP_RESULT_BADBIOSTABLE;
865 
866 	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
867 							DATA_TABLES(dce_info));
868 	if (!disp_cntl_tbl)
869 		return BP_RESULT_BADBIOSTABLE;
870 
871 	soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
872 	soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
873 	soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
874 
875 	return result;
876 }
877 
bios_parser_get_soc_bb_info(struct dc_bios * dcb,struct bp_soc_bb_info * soc_bb_info)878 static enum bp_result bios_parser_get_soc_bb_info(
879 	struct dc_bios *dcb,
880 	struct bp_soc_bb_info *soc_bb_info)
881 {
882 	struct bios_parser *bp = BP_FROM_DCB(dcb);
883 	enum bp_result result = BP_RESULT_UNSUPPORTED;
884 	struct atom_common_table_header *header;
885 	struct atom_data_revision tbl_revision;
886 
887 	if (!soc_bb_info) /* check for bad input */
888 		return BP_RESULT_BADINPUT;
889 
890 	if (!DATA_TABLES(dce_info))
891 		return BP_RESULT_UNSUPPORTED;
892 
893 	header = GET_IMAGE(struct atom_common_table_header,
894 						DATA_TABLES(dce_info));
895 	get_atom_data_table_revision(header, &tbl_revision);
896 
897 	switch (tbl_revision.major) {
898 	case 4:
899 		switch (tbl_revision.minor) {
900 		case 1:
901 		case 2:
902 		case 3:
903 			break;
904 		case 4:
905 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
906 		default:
907 			break;
908 		}
909 		break;
910 	default:
911 		break;
912 	}
913 
914 	return result;
915 }
916 
get_embedded_panel_info_v2_1(struct bios_parser * bp,struct embedded_panel_info * info)917 static enum bp_result get_embedded_panel_info_v2_1(
918 		struct bios_parser *bp,
919 		struct embedded_panel_info *info)
920 {
921 	struct lcd_info_v2_1 *lvds;
922 
923 	if (!info)
924 		return BP_RESULT_BADINPUT;
925 
926 	if (!DATA_TABLES(lcd_info))
927 		return BP_RESULT_UNSUPPORTED;
928 
929 	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
930 
931 	if (!lvds)
932 		return BP_RESULT_BADBIOSTABLE;
933 
934 	/* TODO: previous vv1_3, should v2_1 */
935 	if (!((lvds->table_header.format_revision == 2)
936 			&& (lvds->table_header.content_revision >= 1)))
937 		return BP_RESULT_UNSUPPORTED;
938 
939 	memset(info, 0, sizeof(struct embedded_panel_info));
940 
941 	/* We need to convert from 10KHz units into KHz units */
942 	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
943 	/* usHActive does not include borders, according to VBIOS team */
944 	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
945 	/* usHBlanking_Time includes borders, so we should really be
946 	 * subtractingborders duing this translation, but LVDS generally
947 	 * doesn't have borders, so we should be okay leaving this as is for
948 	 * now.  May need to revisit if we ever have LVDS with borders
949 	 */
950 	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
951 	/* usVActive does not include borders, according to VBIOS team*/
952 	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
953 	/* usVBlanking_Time includes borders, so we should really be
954 	 * subtracting borders duing this translation, but LVDS generally
955 	 * doesn't have borders, so we should be okay leaving this as is for
956 	 * now. May need to revisit if we ever have LVDS with borders
957 	 */
958 	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
959 	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
960 	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
961 	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
962 	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
963 	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
964 	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
965 
966 	/* not provided by VBIOS */
967 	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
968 
969 	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
970 			& ATOM_HSYNC_POLARITY);
971 	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
972 			& ATOM_VSYNC_POLARITY);
973 
974 	/* not provided by VBIOS */
975 	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
976 
977 	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
978 			& ATOM_H_REPLICATIONBY2);
979 	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
980 			& ATOM_V_REPLICATIONBY2);
981 	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
982 			& ATOM_COMPOSITESYNC);
983 	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
984 
985 	/* not provided by VBIOS*/
986 	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
987 	/* not provided by VBIOS*/
988 	info->ss_id = 0;
989 
990 	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
991 
992 	return BP_RESULT_OK;
993 }
994 
bios_parser_get_embedded_panel_info(struct dc_bios * dcb,struct embedded_panel_info * info)995 static enum bp_result bios_parser_get_embedded_panel_info(
996 		struct dc_bios *dcb,
997 		struct embedded_panel_info *info)
998 {
999 	struct bios_parser
1000 	*bp = BP_FROM_DCB(dcb);
1001 	struct atom_common_table_header *header;
1002 	struct atom_data_revision tbl_revision;
1003 
1004 	if (!DATA_TABLES(lcd_info))
1005 		return BP_RESULT_FAILURE;
1006 
1007 	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1008 
1009 	if (!header)
1010 		return BP_RESULT_BADBIOSTABLE;
1011 
1012 	get_atom_data_table_revision(header, &tbl_revision);
1013 
1014 	switch (tbl_revision.major) {
1015 	case 2:
1016 		switch (tbl_revision.minor) {
1017 		case 1:
1018 			return get_embedded_panel_info_v2_1(bp, info);
1019 		default:
1020 			break;
1021 		}
1022 	default:
1023 		break;
1024 	}
1025 
1026 	return BP_RESULT_FAILURE;
1027 }
1028 
get_support_mask_for_device_id(struct device_id device_id)1029 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1030 {
1031 	enum dal_device_type device_type = device_id.device_type;
1032 	uint32_t enum_id = device_id.enum_id;
1033 
1034 	switch (device_type) {
1035 	case DEVICE_TYPE_LCD:
1036 		switch (enum_id) {
1037 		case 1:
1038 			return ATOM_DISPLAY_LCD1_SUPPORT;
1039 		default:
1040 			break;
1041 		}
1042 		break;
1043 	case DEVICE_TYPE_DFP:
1044 		switch (enum_id) {
1045 		case 1:
1046 			return ATOM_DISPLAY_DFP1_SUPPORT;
1047 		case 2:
1048 			return ATOM_DISPLAY_DFP2_SUPPORT;
1049 		case 3:
1050 			return ATOM_DISPLAY_DFP3_SUPPORT;
1051 		case 4:
1052 			return ATOM_DISPLAY_DFP4_SUPPORT;
1053 		case 5:
1054 			return ATOM_DISPLAY_DFP5_SUPPORT;
1055 		case 6:
1056 			return ATOM_DISPLAY_DFP6_SUPPORT;
1057 		default:
1058 			break;
1059 		}
1060 		break;
1061 	default:
1062 		break;
1063 	}
1064 
1065 	/* Unidentified device ID, return empty support mask. */
1066 	return 0;
1067 }
1068 
bios_parser_is_device_id_supported(struct dc_bios * dcb,struct device_id id)1069 static bool bios_parser_is_device_id_supported(
1070 	struct dc_bios *dcb,
1071 	struct device_id id)
1072 {
1073 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1074 
1075 	uint32_t mask = get_support_mask_for_device_id(id);
1076 
1077 	return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1078 								mask) != 0;
1079 }
1080 
bios_parser_get_ss_entry_number(struct dc_bios * dcb,enum as_signal_type signal)1081 static uint32_t bios_parser_get_ss_entry_number(
1082 	struct dc_bios *dcb,
1083 	enum as_signal_type signal)
1084 {
1085 	/* TODO: DAL2 atomfirmware implementation does not need this.
1086 	 * why DAL3 need this?
1087 	 */
1088 	return 1;
1089 }
1090 
bios_parser_transmitter_control(struct dc_bios * dcb,struct bp_transmitter_control * cntl)1091 static enum bp_result bios_parser_transmitter_control(
1092 	struct dc_bios *dcb,
1093 	struct bp_transmitter_control *cntl)
1094 {
1095 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1096 
1097 	if (!bp->cmd_tbl.transmitter_control)
1098 		return BP_RESULT_FAILURE;
1099 
1100 	return bp->cmd_tbl.transmitter_control(bp, cntl);
1101 }
1102 
bios_parser_encoder_control(struct dc_bios * dcb,struct bp_encoder_control * cntl)1103 static enum bp_result bios_parser_encoder_control(
1104 	struct dc_bios *dcb,
1105 	struct bp_encoder_control *cntl)
1106 {
1107 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1108 
1109 	if (!bp->cmd_tbl.dig_encoder_control)
1110 		return BP_RESULT_FAILURE;
1111 
1112 	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1113 }
1114 
bios_parser_set_pixel_clock(struct dc_bios * dcb,struct bp_pixel_clock_parameters * bp_params)1115 static enum bp_result bios_parser_set_pixel_clock(
1116 	struct dc_bios *dcb,
1117 	struct bp_pixel_clock_parameters *bp_params)
1118 {
1119 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1120 
1121 	if (!bp->cmd_tbl.set_pixel_clock)
1122 		return BP_RESULT_FAILURE;
1123 
1124 	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1125 }
1126 
bios_parser_set_dce_clock(struct dc_bios * dcb,struct bp_set_dce_clock_parameters * bp_params)1127 static enum bp_result bios_parser_set_dce_clock(
1128 	struct dc_bios *dcb,
1129 	struct bp_set_dce_clock_parameters *bp_params)
1130 {
1131 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1132 
1133 	if (!bp->cmd_tbl.set_dce_clock)
1134 		return BP_RESULT_FAILURE;
1135 
1136 	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1137 }
1138 
bios_parser_program_crtc_timing(struct dc_bios * dcb,struct bp_hw_crtc_timing_parameters * bp_params)1139 static enum bp_result bios_parser_program_crtc_timing(
1140 	struct dc_bios *dcb,
1141 	struct bp_hw_crtc_timing_parameters *bp_params)
1142 {
1143 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1144 
1145 	if (!bp->cmd_tbl.set_crtc_timing)
1146 		return BP_RESULT_FAILURE;
1147 
1148 	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1149 }
1150 
bios_parser_enable_crtc(struct dc_bios * dcb,enum controller_id id,bool enable)1151 static enum bp_result bios_parser_enable_crtc(
1152 	struct dc_bios *dcb,
1153 	enum controller_id id,
1154 	bool enable)
1155 {
1156 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1157 
1158 	if (!bp->cmd_tbl.enable_crtc)
1159 		return BP_RESULT_FAILURE;
1160 
1161 	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1162 }
1163 
bios_parser_enable_disp_power_gating(struct dc_bios * dcb,enum controller_id controller_id,enum bp_pipe_control_action action)1164 static enum bp_result bios_parser_enable_disp_power_gating(
1165 	struct dc_bios *dcb,
1166 	enum controller_id controller_id,
1167 	enum bp_pipe_control_action action)
1168 {
1169 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1170 
1171 	if (!bp->cmd_tbl.enable_disp_power_gating)
1172 		return BP_RESULT_FAILURE;
1173 
1174 	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1175 		action);
1176 }
1177 
bios_parser_enable_lvtma_control(struct dc_bios * dcb,uint8_t uc_pwr_on)1178 static enum bp_result bios_parser_enable_lvtma_control(
1179 	struct dc_bios *dcb,
1180 	uint8_t uc_pwr_on)
1181 {
1182 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1183 
1184 	if (!bp->cmd_tbl.enable_lvtma_control)
1185 		return BP_RESULT_FAILURE;
1186 
1187 	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on);
1188 }
1189 
bios_parser_is_accelerated_mode(struct dc_bios * dcb)1190 static bool bios_parser_is_accelerated_mode(
1191 	struct dc_bios *dcb)
1192 {
1193 	return bios_is_accelerated_mode(dcb);
1194 }
1195 
1196 /**
1197  * bios_parser_set_scratch_critical_state
1198  *
1199  * @brief
1200  *  update critical state bit in VBIOS scratch register
1201  *
1202  * @param
1203  *  bool - to set or reset state
1204  */
bios_parser_set_scratch_critical_state(struct dc_bios * dcb,bool state)1205 static void bios_parser_set_scratch_critical_state(
1206 	struct dc_bios *dcb,
1207 	bool state)
1208 {
1209 	bios_set_scratch_critical_state(dcb, state);
1210 }
1211 
bios_parser_get_firmware_info(struct dc_bios * dcb,struct dc_firmware_info * info)1212 static enum bp_result bios_parser_get_firmware_info(
1213 	struct dc_bios *dcb,
1214 	struct dc_firmware_info *info)
1215 {
1216 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1217 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1218 	struct atom_common_table_header *header;
1219 
1220 	struct atom_data_revision revision;
1221 
1222 	if (info && DATA_TABLES(firmwareinfo)) {
1223 		header = GET_IMAGE(struct atom_common_table_header,
1224 				DATA_TABLES(firmwareinfo));
1225 		get_atom_data_table_revision(header, &revision);
1226 		switch (revision.major) {
1227 		case 3:
1228 			switch (revision.minor) {
1229 			case 1:
1230 				result = get_firmware_info_v3_1(bp, info);
1231 				break;
1232 			case 2:
1233 				result = get_firmware_info_v3_2(bp, info);
1234 				break;
1235 			case 3:
1236 #ifdef CONFIG_DRM_AMD_DC_DCN3_0
1237 			case 4:
1238 #endif
1239 				result = get_firmware_info_v3_2(bp, info);
1240 				break;
1241 			default:
1242 				break;
1243 			}
1244 			break;
1245 		default:
1246 			break;
1247 		}
1248 	}
1249 
1250 	return result;
1251 }
1252 
get_firmware_info_v3_1(struct bios_parser * bp,struct dc_firmware_info * info)1253 static enum bp_result get_firmware_info_v3_1(
1254 	struct bios_parser *bp,
1255 	struct dc_firmware_info *info)
1256 {
1257 	struct atom_firmware_info_v3_1 *firmware_info;
1258 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1259 
1260 	if (!info)
1261 		return BP_RESULT_BADINPUT;
1262 
1263 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1264 			DATA_TABLES(firmwareinfo));
1265 
1266 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1267 			DATA_TABLES(dce_info));
1268 
1269 	if (!firmware_info || !dce_info)
1270 		return BP_RESULT_BADBIOSTABLE;
1271 
1272 	memset(info, 0, sizeof(*info));
1273 
1274 	/* Pixel clock pll information. */
1275 	 /* We need to convert from 10KHz units into KHz units */
1276 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1277 	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1278 
1279 	 /* 27MHz for Vega10: */
1280 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1281 
1282 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1283 	if (info->pll_info.crystal_frequency == 0)
1284 		info->pll_info.crystal_frequency = 27000;
1285 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1286 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1287 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1288 
1289 	/* Get GPU PLL VCO Clock */
1290 
1291 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1292 		/* VBIOS gives in 10KHz */
1293 		info->smu_gpu_pll_output_freq =
1294 				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1295 	}
1296 
1297 	info->oem_i2c_present = false;
1298 
1299 	return BP_RESULT_OK;
1300 }
1301 
get_firmware_info_v3_2(struct bios_parser * bp,struct dc_firmware_info * info)1302 static enum bp_result get_firmware_info_v3_2(
1303 	struct bios_parser *bp,
1304 	struct dc_firmware_info *info)
1305 {
1306 	struct atom_firmware_info_v3_2 *firmware_info;
1307 	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1308 	struct atom_common_table_header *header;
1309 	struct atom_data_revision revision;
1310 	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1311 	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1312 
1313 	if (!info)
1314 		return BP_RESULT_BADINPUT;
1315 
1316 	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1317 			DATA_TABLES(firmwareinfo));
1318 
1319 	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1320 			DATA_TABLES(dce_info));
1321 
1322 	if (!firmware_info || !dce_info)
1323 		return BP_RESULT_BADBIOSTABLE;
1324 
1325 	memset(info, 0, sizeof(*info));
1326 
1327 	header = GET_IMAGE(struct atom_common_table_header,
1328 					DATA_TABLES(smu_info));
1329 	get_atom_data_table_revision(header, &revision);
1330 
1331 	if (revision.minor == 2) {
1332 		/* Vega12 */
1333 		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1334 							DATA_TABLES(smu_info));
1335 
1336 		if (!smu_info_v3_2)
1337 			return BP_RESULT_BADBIOSTABLE;
1338 
1339 		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1340 	} else if (revision.minor == 3) {
1341 		/* Vega20 */
1342 		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1343 							DATA_TABLES(smu_info));
1344 
1345 		if (!smu_info_v3_3)
1346 			return BP_RESULT_BADBIOSTABLE;
1347 
1348 		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1349 	}
1350 
1351 	 // We need to convert from 10KHz units into KHz units.
1352 	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1353 
1354 	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1355 	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1356 	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1357 	if (info->pll_info.crystal_frequency == 0) {
1358 		if (revision.minor == 2)
1359 			info->pll_info.crystal_frequency = 27000;
1360 		else if (revision.minor == 3)
1361 			info->pll_info.crystal_frequency = 100000;
1362 	}
1363 	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1364 	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1365 	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1366 
1367 	/* Get GPU PLL VCO Clock */
1368 	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1369 		if (revision.minor == 2)
1370 			info->smu_gpu_pll_output_freq =
1371 					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1372 		else if (revision.minor == 3)
1373 			info->smu_gpu_pll_output_freq =
1374 					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1375 	}
1376 
1377 	if (firmware_info->board_i2c_feature_id == 0x2) {
1378 		info->oem_i2c_present = true;
1379 		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1380 	} else {
1381 		info->oem_i2c_present = false;
1382 	}
1383 
1384 	return BP_RESULT_OK;
1385 }
1386 
bios_parser_get_encoder_cap_info(struct dc_bios * dcb,struct graphics_object_id object_id,struct bp_encoder_cap_info * info)1387 static enum bp_result bios_parser_get_encoder_cap_info(
1388 	struct dc_bios *dcb,
1389 	struct graphics_object_id object_id,
1390 	struct bp_encoder_cap_info *info)
1391 {
1392 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1393 	struct atom_display_object_path_v2 *object;
1394 	struct atom_encoder_caps_record *record = NULL;
1395 
1396 	if (!info)
1397 		return BP_RESULT_BADINPUT;
1398 
1399 	object = get_bios_object(bp, object_id);
1400 
1401 	if (!object)
1402 		return BP_RESULT_BADINPUT;
1403 
1404 	record = get_encoder_cap_record(bp, object);
1405 	if (!record)
1406 		return BP_RESULT_NORECORD;
1407 
1408 	info->DP_HBR2_CAP = (record->encodercaps &
1409 			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1410 	info->DP_HBR2_EN = (record->encodercaps &
1411 			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1412 	info->DP_HBR3_EN = (record->encodercaps &
1413 			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1414 	info->HDMI_6GB_EN = (record->encodercaps &
1415 			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1416 	info->DP_IS_USB_C = (record->encodercaps &
1417 			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
1418 
1419 	return BP_RESULT_OK;
1420 }
1421 
1422 
get_encoder_cap_record(struct bios_parser * bp,struct atom_display_object_path_v2 * object)1423 static struct atom_encoder_caps_record *get_encoder_cap_record(
1424 	struct bios_parser *bp,
1425 	struct atom_display_object_path_v2 *object)
1426 {
1427 	struct atom_common_record_header *header;
1428 	uint32_t offset;
1429 
1430 	if (!object) {
1431 		BREAK_TO_DEBUGGER(); /* Invalid object */
1432 		return NULL;
1433 	}
1434 
1435 	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1436 
1437 	for (;;) {
1438 		header = GET_IMAGE(struct atom_common_record_header, offset);
1439 
1440 		if (!header)
1441 			return NULL;
1442 
1443 		offset += header->record_size;
1444 
1445 		if (header->record_type == LAST_RECORD_TYPE ||
1446 				!header->record_size)
1447 			break;
1448 
1449 		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1450 			continue;
1451 
1452 		if (sizeof(struct atom_encoder_caps_record) <=
1453 							header->record_size)
1454 			return (struct atom_encoder_caps_record *)header;
1455 	}
1456 
1457 	return NULL;
1458 }
1459 
get_vram_info_v23(struct bios_parser * bp,struct dc_vram_info * info)1460 static enum bp_result get_vram_info_v23(
1461 	struct bios_parser *bp,
1462 	struct dc_vram_info *info)
1463 {
1464 	struct atom_vram_info_header_v2_3 *info_v23;
1465 	enum bp_result result = BP_RESULT_OK;
1466 
1467 	info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
1468 						DATA_TABLES(vram_info));
1469 
1470 	if (info_v23 == NULL)
1471 		return BP_RESULT_BADBIOSTABLE;
1472 
1473 	info->num_chans = info_v23->vram_module[0].channel_num;
1474 	info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
1475 
1476 	return result;
1477 }
1478 
get_vram_info_v24(struct bios_parser * bp,struct dc_vram_info * info)1479 static enum bp_result get_vram_info_v24(
1480 	struct bios_parser *bp,
1481 	struct dc_vram_info *info)
1482 {
1483 	struct atom_vram_info_header_v2_4 *info_v24;
1484 	enum bp_result result = BP_RESULT_OK;
1485 
1486 	info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
1487 						DATA_TABLES(vram_info));
1488 
1489 	if (info_v24 == NULL)
1490 		return BP_RESULT_BADBIOSTABLE;
1491 
1492 	info->num_chans = info_v24->vram_module[0].channel_num;
1493 	info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
1494 
1495 	return result;
1496 }
1497 
get_vram_info_v25(struct bios_parser * bp,struct dc_vram_info * info)1498 static enum bp_result get_vram_info_v25(
1499 	struct bios_parser *bp,
1500 	struct dc_vram_info *info)
1501 {
1502 	struct atom_vram_info_header_v2_5 *info_v25;
1503 	enum bp_result result = BP_RESULT_OK;
1504 
1505 	info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
1506 						DATA_TABLES(vram_info));
1507 
1508 	if (info_v25 == NULL)
1509 		return BP_RESULT_BADBIOSTABLE;
1510 
1511 	info->num_chans = info_v25->vram_module[0].channel_num;
1512 	info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
1513 
1514 	return result;
1515 }
1516 
1517 /*
1518  * get_integrated_info_v11
1519  *
1520  * @brief
1521  * Get V8 integrated BIOS information
1522  *
1523  * @param
1524  * bios_parser *bp - [in]BIOS parser handler to get master data table
1525  * integrated_info *info - [out] store and output integrated info
1526  *
1527  * @return
1528  * enum bp_result - BP_RESULT_OK if information is available,
1529  *                  BP_RESULT_BADBIOSTABLE otherwise.
1530  */
get_integrated_info_v11(struct bios_parser * bp,struct integrated_info * info)1531 static enum bp_result get_integrated_info_v11(
1532 	struct bios_parser *bp,
1533 	struct integrated_info *info)
1534 {
1535 	struct atom_integrated_system_info_v1_11 *info_v11;
1536 	uint32_t i;
1537 
1538 	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1539 					DATA_TABLES(integratedsysteminfo));
1540 
1541 	if (info_v11 == NULL)
1542 		return BP_RESULT_BADBIOSTABLE;
1543 
1544 	info->gpu_cap_info =
1545 	le32_to_cpu(info_v11->gpucapinfo);
1546 	/*
1547 	* system_config: Bit[0] = 0 : PCIE power gating disabled
1548 	*                       = 1 : PCIE power gating enabled
1549 	*                Bit[1] = 0 : DDR-PLL shut down disabled
1550 	*                       = 1 : DDR-PLL shut down enabled
1551 	*                Bit[2] = 0 : DDR-PLL power down disabled
1552 	*                       = 1 : DDR-PLL power down enabled
1553 	*/
1554 	info->system_config = le32_to_cpu(info_v11->system_config);
1555 	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1556 	info->memory_type = info_v11->memorytype;
1557 	info->ma_channel_number = info_v11->umachannelnumber;
1558 	info->lvds_ss_percentage =
1559 	le16_to_cpu(info_v11->lvds_ss_percentage);
1560 	info->dp_ss_control =
1561 	le16_to_cpu(info_v11->reserved1);
1562 	info->lvds_sspread_rate_in_10hz =
1563 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1564 	info->hdmi_ss_percentage =
1565 	le16_to_cpu(info_v11->hdmi_ss_percentage);
1566 	info->hdmi_sspread_rate_in_10hz =
1567 	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1568 	info->dvi_ss_percentage =
1569 	le16_to_cpu(info_v11->dvi_ss_percentage);
1570 	info->dvi_sspread_rate_in_10_hz =
1571 	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1572 	info->lvds_misc = info_v11->lvds_misc;
1573 	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1574 		info->ext_disp_conn_info.gu_id[i] =
1575 				info_v11->extdispconninfo.guid[i];
1576 	}
1577 
1578 	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1579 		info->ext_disp_conn_info.path[i].device_connector_id =
1580 		object_id_from_bios_object_id(
1581 		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1582 
1583 		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1584 		object_id_from_bios_object_id(
1585 			le16_to_cpu(
1586 			info_v11->extdispconninfo.path[i].ext_encoder_objid));
1587 
1588 		info->ext_disp_conn_info.path[i].device_tag =
1589 			le16_to_cpu(
1590 				info_v11->extdispconninfo.path[i].device_tag);
1591 		info->ext_disp_conn_info.path[i].device_acpi_enum =
1592 		le16_to_cpu(
1593 			info_v11->extdispconninfo.path[i].device_acpi_enum);
1594 		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1595 			info_v11->extdispconninfo.path[i].auxddclut_index;
1596 		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1597 			info_v11->extdispconninfo.path[i].hpdlut_index;
1598 		info->ext_disp_conn_info.path[i].channel_mapping.raw =
1599 			info_v11->extdispconninfo.path[i].channelmapping;
1600 		info->ext_disp_conn_info.path[i].caps =
1601 				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1602 	}
1603 	info->ext_disp_conn_info.checksum =
1604 	info_v11->extdispconninfo.checksum;
1605 
1606 	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1607 	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1608 	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1609 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1610 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1611 		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1612 				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1613 	}
1614 	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1615 	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1616 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1617 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1618 		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1619 				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1620 	}
1621 
1622 	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1623 	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1624 	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1625 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1626 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1627 		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1628 				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1629 	}
1630 	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1631 	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1632 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1633 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1634 		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1635 				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1636 	}
1637 
1638 	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1639 	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1640 	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1641 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1642 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1643 		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1644 				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1645 	}
1646 	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1647 	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1648 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1649 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1650 		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1651 				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1652 	}
1653 
1654 	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1655 	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1656 	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1657 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1658 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1659 		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1660 				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1661 	}
1662 	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1663 	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1664 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1665 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1666 		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1667 				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1668 	}
1669 
1670 
1671 	/** TODO - review **/
1672 	#if 0
1673 	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1674 									* 10;
1675 	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1676 	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1677 
1678 	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1679 		/* Convert [10KHz] into [KHz] */
1680 		info->disp_clk_voltage[i].max_supported_clk =
1681 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1682 			ulMaximumSupportedCLK) * 10;
1683 		info->disp_clk_voltage[i].voltage_index =
1684 		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1685 	}
1686 
1687 	info->boot_up_req_display_vector =
1688 			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1689 	info->boot_up_nb_voltage =
1690 			le16_to_cpu(info_v11->usBootUpNBVoltage);
1691 	info->ext_disp_conn_info_offset =
1692 			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1693 	info->gmc_restore_reset_time =
1694 			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1695 	info->minimum_n_clk =
1696 			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1697 	for (i = 1; i < 4; ++i)
1698 		info->minimum_n_clk =
1699 				info->minimum_n_clk <
1700 				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1701 				info->minimum_n_clk : le32_to_cpu(
1702 					info_v11->ulNbpStateNClkFreq[i]);
1703 
1704 	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1705 	info->ddr_dll_power_up_time =
1706 	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1707 	info->ddr_pll_power_up_time =
1708 		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1709 	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1710 	info->max_lvds_pclk_freq_in_single_link =
1711 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1712 	info->max_lvds_pclk_freq_in_single_link =
1713 		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1714 	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1715 		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1716 	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1717 		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1718 	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1719 		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1720 	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1721 		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1722 	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1723 		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1724 	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1725 		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1726 	info->lvds_off_to_on_delay_in_4ms =
1727 		info_v11->ucLVDSOffToOnDelay_in4Ms;
1728 	info->lvds_bit_depth_control_val =
1729 		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1730 
1731 	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1732 		/* Convert [10KHz] into [KHz] */
1733 		info->avail_s_clk[i].supported_s_clk =
1734 			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1735 									* 10;
1736 		info->avail_s_clk[i].voltage_index =
1737 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1738 		info->avail_s_clk[i].voltage_id =
1739 			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1740 	}
1741 	#endif /* TODO*/
1742 
1743 	return BP_RESULT_OK;
1744 }
1745 
1746 
1747 /*
1748  * construct_integrated_info
1749  *
1750  * @brief
1751  * Get integrated BIOS information based on table revision
1752  *
1753  * @param
1754  * bios_parser *bp - [in]BIOS parser handler to get master data table
1755  * integrated_info *info - [out] store and output integrated info
1756  *
1757  * @return
1758  * enum bp_result - BP_RESULT_OK if information is available,
1759  *                  BP_RESULT_BADBIOSTABLE otherwise.
1760  */
construct_integrated_info(struct bios_parser * bp,struct integrated_info * info)1761 static enum bp_result construct_integrated_info(
1762 	struct bios_parser *bp,
1763 	struct integrated_info *info)
1764 {
1765 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1766 
1767 	struct atom_common_table_header *header;
1768 	struct atom_data_revision revision;
1769 	uint32_t i;
1770 	uint32_t j;
1771 
1772 	if (info && DATA_TABLES(integratedsysteminfo)) {
1773 		header = GET_IMAGE(struct atom_common_table_header,
1774 					DATA_TABLES(integratedsysteminfo));
1775 
1776 		get_atom_data_table_revision(header, &revision);
1777 
1778 		/* Don't need to check major revision as they are all 1 */
1779 		switch (revision.minor) {
1780 		case 11:
1781 		case 12:
1782 			result = get_integrated_info_v11(bp, info);
1783 			break;
1784 		default:
1785 			return result;
1786 		}
1787 	}
1788 
1789 	if (result != BP_RESULT_OK)
1790 		return result;
1791 
1792 	/* Sort voltage table from low to high*/
1793 	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1794 		for (j = i; j > 0; --j) {
1795 			if (info->disp_clk_voltage[j].max_supported_clk <
1796 				info->disp_clk_voltage[j-1].max_supported_clk
1797 				) {
1798 				/* swap j and j - 1*/
1799 				swap(info->disp_clk_voltage[j - 1],
1800 				     info->disp_clk_voltage[j]);
1801 			}
1802 		}
1803 	}
1804 
1805 	return result;
1806 }
1807 
bios_parser_get_vram_info(struct dc_bios * dcb,struct dc_vram_info * info)1808 static enum bp_result bios_parser_get_vram_info(
1809 		struct dc_bios *dcb,
1810 		struct dc_vram_info *info)
1811 {
1812 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1813 	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1814 	struct atom_common_table_header *header;
1815 	struct atom_data_revision revision;
1816 
1817 	if (info && DATA_TABLES(vram_info)) {
1818 		header = GET_IMAGE(struct atom_common_table_header,
1819 					DATA_TABLES(vram_info));
1820 
1821 		get_atom_data_table_revision(header, &revision);
1822 
1823 		switch (revision.major) {
1824 		case 2:
1825 			switch (revision.minor) {
1826 			case 3:
1827 				result = get_vram_info_v23(bp, info);
1828 				break;
1829 			case 4:
1830 				result = get_vram_info_v24(bp, info);
1831 				break;
1832 			case 5:
1833 				result = get_vram_info_v25(bp, info);
1834 				break;
1835 			default:
1836 				break;
1837 			}
1838 			break;
1839 
1840 		default:
1841 			return result;
1842 		}
1843 
1844 	}
1845 	return result;
1846 }
1847 
bios_parser_create_integrated_info(struct dc_bios * dcb)1848 static struct integrated_info *bios_parser_create_integrated_info(
1849 	struct dc_bios *dcb)
1850 {
1851 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1852 	struct integrated_info *info = NULL;
1853 
1854 	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
1855 
1856 	if (info == NULL) {
1857 		ASSERT_CRITICAL(0);
1858 		return NULL;
1859 	}
1860 
1861 	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
1862 		return info;
1863 
1864 	kfree(info);
1865 
1866 	return NULL;
1867 }
1868 
update_slot_layout_info(struct dc_bios * dcb,unsigned int i,struct slot_layout_info * slot_layout_info)1869 static enum bp_result update_slot_layout_info(
1870 	struct dc_bios *dcb,
1871 	unsigned int i,
1872 	struct slot_layout_info *slot_layout_info)
1873 {
1874 	unsigned int record_offset;
1875 	unsigned int j;
1876 	struct atom_display_object_path_v2 *object;
1877 	struct atom_bracket_layout_record *record;
1878 	struct atom_common_record_header *record_header;
1879 	enum bp_result result;
1880 	struct bios_parser *bp;
1881 	struct object_info_table *tbl;
1882 	struct display_object_info_table_v1_4 *v1_4;
1883 
1884 	record = NULL;
1885 	record_header = NULL;
1886 	result = BP_RESULT_NORECORD;
1887 
1888 	bp = BP_FROM_DCB(dcb);
1889 	tbl = &bp->object_info_tbl;
1890 	v1_4 = tbl->v1_4;
1891 
1892 	object = &v1_4->display_path[i];
1893 	record_offset = (unsigned int)
1894 		(object->disp_recordoffset) +
1895 		(unsigned int)(bp->object_info_tbl_offset);
1896 
1897 	for (;;) {
1898 
1899 		record_header = (struct atom_common_record_header *)
1900 			GET_IMAGE(struct atom_common_record_header,
1901 			record_offset);
1902 		if (record_header == NULL) {
1903 			result = BP_RESULT_BADBIOSTABLE;
1904 			break;
1905 		}
1906 
1907 		/* the end of the list */
1908 		if (record_header->record_type == 0xff ||
1909 			record_header->record_size == 0)	{
1910 			break;
1911 		}
1912 
1913 		if (record_header->record_type ==
1914 			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
1915 			sizeof(struct atom_bracket_layout_record)
1916 			<= record_header->record_size) {
1917 			record = (struct atom_bracket_layout_record *)
1918 				(record_header);
1919 			result = BP_RESULT_OK;
1920 			break;
1921 		}
1922 
1923 		record_offset += record_header->record_size;
1924 	}
1925 
1926 	/* return if the record not found */
1927 	if (result != BP_RESULT_OK)
1928 		return result;
1929 
1930 	/* get slot sizes */
1931 	slot_layout_info->length = record->bracketlen;
1932 	slot_layout_info->width = record->bracketwidth;
1933 
1934 	/* get info for each connector in the slot */
1935 	slot_layout_info->num_of_connectors = record->conn_num;
1936 	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
1937 		slot_layout_info->connectors[j].connector_type =
1938 			(enum connector_layout_type)
1939 			(record->conn_info[j].connector_type);
1940 		switch (record->conn_info[j].connector_type) {
1941 		case CONNECTOR_TYPE_DVI_D:
1942 			slot_layout_info->connectors[j].connector_type =
1943 				CONNECTOR_LAYOUT_TYPE_DVI_D;
1944 			slot_layout_info->connectors[j].length =
1945 				CONNECTOR_SIZE_DVI;
1946 			break;
1947 
1948 		case CONNECTOR_TYPE_HDMI:
1949 			slot_layout_info->connectors[j].connector_type =
1950 				CONNECTOR_LAYOUT_TYPE_HDMI;
1951 			slot_layout_info->connectors[j].length =
1952 				CONNECTOR_SIZE_HDMI;
1953 			break;
1954 
1955 		case CONNECTOR_TYPE_DISPLAY_PORT:
1956 			slot_layout_info->connectors[j].connector_type =
1957 				CONNECTOR_LAYOUT_TYPE_DP;
1958 			slot_layout_info->connectors[j].length =
1959 				CONNECTOR_SIZE_DP;
1960 			break;
1961 
1962 		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
1963 			slot_layout_info->connectors[j].connector_type =
1964 				CONNECTOR_LAYOUT_TYPE_MINI_DP;
1965 			slot_layout_info->connectors[j].length =
1966 				CONNECTOR_SIZE_MINI_DP;
1967 			break;
1968 
1969 		default:
1970 			slot_layout_info->connectors[j].connector_type =
1971 				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
1972 			slot_layout_info->connectors[j].length =
1973 				CONNECTOR_SIZE_UNKNOWN;
1974 		}
1975 
1976 		slot_layout_info->connectors[j].position =
1977 			record->conn_info[j].position;
1978 		slot_layout_info->connectors[j].connector_id =
1979 			object_id_from_bios_object_id(
1980 				record->conn_info[j].connectorobjid);
1981 	}
1982 	return result;
1983 }
1984 
1985 
get_bracket_layout_record(struct dc_bios * dcb,unsigned int bracket_layout_id,struct slot_layout_info * slot_layout_info)1986 static enum bp_result get_bracket_layout_record(
1987 	struct dc_bios *dcb,
1988 	unsigned int bracket_layout_id,
1989 	struct slot_layout_info *slot_layout_info)
1990 {
1991 	unsigned int i;
1992 	struct bios_parser *bp = BP_FROM_DCB(dcb);
1993 	enum bp_result result;
1994 	struct object_info_table *tbl;
1995 	struct display_object_info_table_v1_4 *v1_4;
1996 
1997 	if (slot_layout_info == NULL) {
1998 		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
1999 		return BP_RESULT_BADINPUT;
2000 	}
2001 	tbl = &bp->object_info_tbl;
2002 	v1_4 = tbl->v1_4;
2003 
2004 	result = BP_RESULT_NORECORD;
2005 	for (i = 0; i < v1_4->number_of_path; ++i)	{
2006 
2007 		if (bracket_layout_id ==
2008 			v1_4->display_path[i].display_objid) {
2009 			result = update_slot_layout_info(dcb, i,
2010 				slot_layout_info);
2011 			break;
2012 		}
2013 	}
2014 	return result;
2015 }
2016 
bios_get_board_layout_info(struct dc_bios * dcb,struct board_layout_info * board_layout_info)2017 static enum bp_result bios_get_board_layout_info(
2018 	struct dc_bios *dcb,
2019 	struct board_layout_info *board_layout_info)
2020 {
2021 	unsigned int i;
2022 	enum bp_result record_result;
2023 
2024 	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
2025 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
2026 		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
2027 		0, 0
2028 	};
2029 
2030 	if (board_layout_info == NULL) {
2031 		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
2032 		return BP_RESULT_BADINPUT;
2033 	}
2034 
2035 	board_layout_info->num_of_slots = 0;
2036 
2037 	for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
2038 		record_result = get_bracket_layout_record(dcb,
2039 			slot_index_to_vbios_id[i],
2040 			&board_layout_info->slots[i]);
2041 
2042 		if (record_result == BP_RESULT_NORECORD && i > 0)
2043 			break; /* no more slots present in bios */
2044 		else if (record_result != BP_RESULT_OK)
2045 			return record_result;  /* fail */
2046 
2047 		++board_layout_info->num_of_slots;
2048 	}
2049 
2050 	/* all data is valid */
2051 	board_layout_info->is_number_of_slots_valid = 1;
2052 	board_layout_info->is_slots_size_valid = 1;
2053 	board_layout_info->is_connector_offsets_valid = 1;
2054 	board_layout_info->is_connector_lengths_valid = 1;
2055 
2056 	return BP_RESULT_OK;
2057 }
2058 
2059 
bios_parser_pack_data_tables(struct dc_bios * dcb,void * dst)2060 static uint16_t bios_parser_pack_data_tables(
2061 	struct dc_bios *dcb,
2062 	void *dst)
2063 {
2064 #ifdef PACK_BIOS_DATA
2065 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2066 	struct atom_rom_header_v2_2 *rom_header = NULL;
2067 	struct atom_rom_header_v2_2 *packed_rom_header = NULL;
2068 	struct atom_common_table_header *data_tbl_header = NULL;
2069 	struct atom_master_list_of_data_tables_v2_1 *data_tbl_list = NULL;
2070 	struct atom_master_data_table_v2_1 *packed_master_data_tbl = NULL;
2071 	struct atom_data_revision tbl_rev = {0};
2072 	uint16_t *rom_header_offset = NULL;
2073 	const uint8_t *bios = bp->base.bios;
2074 	uint8_t *bios_dst = (uint8_t *)dst;
2075 	uint16_t packed_rom_header_offset;
2076 	uint16_t packed_masterdatatable_offset;
2077 	uint16_t packed_data_tbl_offset;
2078 	uint16_t data_tbl_offset;
2079 	unsigned int i;
2080 
2081 	rom_header_offset =
2082 		GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
2083 
2084 	if (!rom_header_offset)
2085 		return 0;
2086 
2087 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
2088 
2089 	if (!rom_header)
2090 		return 0;
2091 
2092 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
2093 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
2094 		return 0;
2095 
2096 	get_atom_data_table_revision(&bp->master_data_tbl->table_header, &tbl_rev);
2097 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 1))
2098 		return 0;
2099 
2100 	packed_rom_header_offset =
2101 		OFFSET_TO_ATOM_ROM_HEADER_POINTER + sizeof(*rom_header_offset);
2102 
2103 	packed_masterdatatable_offset =
2104 		packed_rom_header_offset + rom_header->table_header.structuresize;
2105 
2106 	packed_data_tbl_offset =
2107 		packed_masterdatatable_offset +
2108 		bp->master_data_tbl->table_header.structuresize;
2109 
2110 	packed_rom_header =
2111 		(struct atom_rom_header_v2_2 *)(bios_dst + packed_rom_header_offset);
2112 
2113 	packed_master_data_tbl =
2114 		(struct atom_master_data_table_v2_1 *)(bios_dst +
2115 		packed_masterdatatable_offset);
2116 
2117 	memcpy(bios_dst, bios, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
2118 
2119 	*((uint16_t *)(bios_dst + OFFSET_TO_ATOM_ROM_HEADER_POINTER)) =
2120 		packed_rom_header_offset;
2121 
2122 	memcpy(bios_dst + packed_rom_header_offset, rom_header,
2123 		rom_header->table_header.structuresize);
2124 
2125 	packed_rom_header->masterdatatable_offset = packed_masterdatatable_offset;
2126 
2127 	memcpy(&packed_master_data_tbl->table_header,
2128 		&bp->master_data_tbl->table_header,
2129 		sizeof(bp->master_data_tbl->table_header));
2130 
2131 	data_tbl_list = &bp->master_data_tbl->listOfdatatables;
2132 
2133 	/* Each data table offset in data table list is 2 bytes,
2134 	 * we can use that to iterate through listOfdatatables
2135 	 * without knowing the name of each member.
2136 	 */
2137 	for (i = 0; i < sizeof(*data_tbl_list)/sizeof(uint16_t); i++) {
2138 		data_tbl_offset = *((uint16_t *)data_tbl_list + i);
2139 
2140 		if (data_tbl_offset) {
2141 			data_tbl_header =
2142 				(struct atom_common_table_header *)(bios + data_tbl_offset);
2143 
2144 			memcpy(bios_dst + packed_data_tbl_offset, data_tbl_header,
2145 				data_tbl_header->structuresize);
2146 
2147 			*((uint16_t *)&packed_master_data_tbl->listOfdatatables + i) =
2148 				packed_data_tbl_offset;
2149 
2150 			packed_data_tbl_offset += data_tbl_header->structuresize;
2151 		} else {
2152 			*((uint16_t *)&packed_master_data_tbl->listOfdatatables + i) = 0;
2153 		}
2154 	}
2155 	return packed_data_tbl_offset;
2156 #endif
2157 	// TODO: There is data bytes alignment issue, disable it for now.
2158 	return 0;
2159 }
2160 
bios_get_golden_table(struct bios_parser * bp,uint32_t rev_major,uint32_t rev_minor,uint16_t * dc_golden_table_ver)2161 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
2162 		struct bios_parser *bp,
2163 		uint32_t rev_major,
2164 		uint32_t rev_minor,
2165 		uint16_t *dc_golden_table_ver)
2166 {
2167 	struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
2168 	uint32_t dc_golden_offset = 0;
2169 	*dc_golden_table_ver = 0;
2170 
2171 	if (!DATA_TABLES(dce_info))
2172 		return NULL;
2173 
2174 	/* ver.4.4 or higher */
2175 	switch (rev_major) {
2176 	case 4:
2177 		switch (rev_minor) {
2178 		case 4:
2179 			disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
2180 									DATA_TABLES(dce_info));
2181 			if (!disp_cntl_tbl_4_4)
2182 				return NULL;
2183 			dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
2184 			*dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
2185 			break;
2186 		}
2187 		break;
2188 	}
2189 
2190 	if (!dc_golden_offset)
2191 		return NULL;
2192 
2193 	if (*dc_golden_table_ver != 1)
2194 		return NULL;
2195 
2196 	return GET_IMAGE(struct atom_dc_golden_table_v1,
2197 			dc_golden_offset);
2198 }
2199 
bios_get_atom_dc_golden_table(struct dc_bios * dcb)2200 static enum bp_result bios_get_atom_dc_golden_table(
2201 	struct dc_bios *dcb)
2202 {
2203 	struct bios_parser *bp = BP_FROM_DCB(dcb);
2204 	enum bp_result result = BP_RESULT_OK;
2205 	struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
2206 	struct atom_common_table_header *header;
2207 	struct atom_data_revision tbl_revision;
2208 	uint16_t dc_golden_table_ver = 0;
2209 
2210 	header = GET_IMAGE(struct atom_common_table_header,
2211 							DATA_TABLES(dce_info));
2212 	if (!header)
2213 		return BP_RESULT_UNSUPPORTED;
2214 
2215 	get_atom_data_table_revision(header, &tbl_revision);
2216 
2217 	atom_dc_golden_table = bios_get_golden_table(bp,
2218 			tbl_revision.major,
2219 			tbl_revision.minor,
2220 			&dc_golden_table_ver);
2221 
2222 	if (!atom_dc_golden_table)
2223 		return BP_RESULT_UNSUPPORTED;
2224 
2225 	dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
2226 	dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
2227 	dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
2228 	dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
2229 	dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
2230 	dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
2231 	dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
2232 	dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
2233 	dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
2234 	dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
2235 
2236 	return result;
2237 }
2238 
2239 
2240 static const struct dc_vbios_funcs vbios_funcs = {
2241 	.get_connectors_number = bios_parser_get_connectors_number,
2242 
2243 	.get_connector_id = bios_parser_get_connector_id,
2244 
2245 	.get_src_obj = bios_parser_get_src_obj,
2246 
2247 	.get_i2c_info = bios_parser_get_i2c_info,
2248 
2249 	.get_hpd_info = bios_parser_get_hpd_info,
2250 
2251 	.get_device_tag = bios_parser_get_device_tag,
2252 
2253 	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
2254 
2255 	.get_ss_entry_number = bios_parser_get_ss_entry_number,
2256 
2257 	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
2258 
2259 	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
2260 
2261 	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
2262 
2263 	.is_device_id_supported = bios_parser_is_device_id_supported,
2264 
2265 	.is_accelerated_mode = bios_parser_is_accelerated_mode,
2266 
2267 	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
2268 
2269 
2270 /*	 COMMANDS */
2271 	.encoder_control = bios_parser_encoder_control,
2272 
2273 	.transmitter_control = bios_parser_transmitter_control,
2274 
2275 	.enable_crtc = bios_parser_enable_crtc,
2276 
2277 	.set_pixel_clock = bios_parser_set_pixel_clock,
2278 
2279 	.set_dce_clock = bios_parser_set_dce_clock,
2280 
2281 	.program_crtc_timing = bios_parser_program_crtc_timing,
2282 
2283 	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
2284 
2285 	.bios_parser_destroy = firmware_parser_destroy,
2286 
2287 	.get_board_layout_info = bios_get_board_layout_info,
2288 	.pack_data_tables = bios_parser_pack_data_tables,
2289 
2290 	.get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
2291 
2292 	.enable_lvtma_control = bios_parser_enable_lvtma_control,
2293 
2294 	.get_soc_bb_info = bios_parser_get_soc_bb_info,
2295 };
2296 
bios_parser2_construct(struct bios_parser * bp,struct bp_init_data * init,enum dce_version dce_version)2297 static bool bios_parser2_construct(
2298 	struct bios_parser *bp,
2299 	struct bp_init_data *init,
2300 	enum dce_version dce_version)
2301 {
2302 	uint16_t *rom_header_offset = NULL;
2303 	struct atom_rom_header_v2_2 *rom_header = NULL;
2304 	struct display_object_info_table_v1_4 *object_info_tbl;
2305 	struct atom_data_revision tbl_rev = {0};
2306 
2307 	if (!init)
2308 		return false;
2309 
2310 	if (!init->bios)
2311 		return false;
2312 
2313 	bp->base.funcs = &vbios_funcs;
2314 	bp->base.bios = init->bios;
2315 	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
2316 
2317 	bp->base.ctx = init->ctx;
2318 
2319 	bp->base.bios_local_image = NULL;
2320 
2321 	rom_header_offset =
2322 			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
2323 
2324 	if (!rom_header_offset)
2325 		return false;
2326 
2327 	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
2328 
2329 	if (!rom_header)
2330 		return false;
2331 
2332 	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
2333 	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
2334 		return false;
2335 
2336 	bp->master_data_tbl =
2337 		GET_IMAGE(struct atom_master_data_table_v2_1,
2338 				rom_header->masterdatatable_offset);
2339 
2340 	if (!bp->master_data_tbl)
2341 		return false;
2342 
2343 	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
2344 
2345 	if (!bp->object_info_tbl_offset)
2346 		return false;
2347 
2348 	object_info_tbl =
2349 			GET_IMAGE(struct display_object_info_table_v1_4,
2350 						bp->object_info_tbl_offset);
2351 
2352 	if (!object_info_tbl)
2353 		return false;
2354 
2355 	get_atom_data_table_revision(&object_info_tbl->table_header,
2356 		&bp->object_info_tbl.revision);
2357 
2358 	if (bp->object_info_tbl.revision.major == 1
2359 		&& bp->object_info_tbl.revision.minor >= 4) {
2360 		struct display_object_info_table_v1_4 *tbl_v1_4;
2361 
2362 		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
2363 			bp->object_info_tbl_offset);
2364 		if (!tbl_v1_4)
2365 			return false;
2366 
2367 		bp->object_info_tbl.v1_4 = tbl_v1_4;
2368 	} else
2369 		return false;
2370 
2371 	dal_firmware_parser_init_cmd_tbl(bp);
2372 	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
2373 
2374 	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
2375 	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
2376 	bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
2377 
2378 	return true;
2379 }
2380 
firmware_parser_create(struct bp_init_data * init,enum dce_version dce_version)2381 struct dc_bios *firmware_parser_create(
2382 	struct bp_init_data *init,
2383 	enum dce_version dce_version)
2384 {
2385 	struct bios_parser *bp = NULL;
2386 
2387 	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2388 	if (!bp)
2389 		return NULL;
2390 
2391 	if (bios_parser2_construct(bp, init, dce_version))
2392 		return &bp->base;
2393 
2394 	kfree(bp);
2395 	return NULL;
2396 }
2397 
2398 
2399