1/*	$NetBSD: amdgpu_bios_parser2.c,v 1.2 2021/12/18 23:45:00 riastradh Exp $	*/
2
3/*
4 * Copyright 2012-15 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: AMD
25 *
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: amdgpu_bios_parser2.c,v 1.2 2021/12/18 23:45:00 riastradh Exp $");
30
31#include <linux/slab.h>
32
33#include "dm_services.h"
34
35#include "ObjectID.h"
36#include "atomfirmware.h"
37
38#include "dc_bios_types.h"
39#include "include/grph_object_ctrl_defs.h"
40#include "include/bios_parser_interface.h"
41#include "include/i2caux_interface.h"
42#include "include/logger_interface.h"
43
44#include "command_table2.h"
45
46#include "bios_parser_helper.h"
47#include "command_table_helper2.h"
48#include "bios_parser2.h"
49#include "bios_parser_types_internal2.h"
50#include "bios_parser_interface.h"
51
52#include "bios_parser_common.h"
53
54/* Temporarily add in defines until ObjectID.h patch is updated in a few days */
55#ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT
56#define GENERIC_OBJECT_ID_BRACKET_LAYOUT          0x05
57#endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */
58
59#ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1
60#define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1	\
61	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
62	GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\
63	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
64#endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */
65
66#ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2
67#define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2	\
68	(GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
69	GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\
70	GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
71#endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */
72
73#define DC_LOGGER \
74	bp->base.ctx->logger
75
76#define LAST_RECORD_TYPE 0xff
77#define SMU9_SYSPLL0_ID  0
78
79struct i2c_id_config_access {
80	uint8_t bfI2C_LineMux:4;
81	uint8_t bfHW_EngineID:3;
82	uint8_t bfHW_Capable:1;
83	uint8_t ucAccess;
84};
85
86static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
87	struct atom_i2c_record *record,
88	struct graphics_object_i2c_info *info);
89
90static enum bp_result bios_parser_get_firmware_info(
91	struct dc_bios *dcb,
92	struct dc_firmware_info *info);
93
94static enum bp_result bios_parser_get_encoder_cap_info(
95	struct dc_bios *dcb,
96	struct graphics_object_id object_id,
97	struct bp_encoder_cap_info *info);
98
99static enum bp_result get_firmware_info_v3_1(
100	struct bios_parser *bp,
101	struct dc_firmware_info *info);
102
103static enum bp_result get_firmware_info_v3_2(
104	struct bios_parser *bp,
105	struct dc_firmware_info *info);
106
107static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
108		struct atom_display_object_path_v2 *object);
109
110static struct atom_encoder_caps_record *get_encoder_cap_record(
111	struct bios_parser *bp,
112	struct atom_display_object_path_v2 *object);
113
114#define BIOS_IMAGE_SIZE_OFFSET 2
115#define BIOS_IMAGE_SIZE_UNIT 512
116
117#define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
118
119static void bios_parser2_destruct(struct bios_parser *bp)
120{
121	kfree(bp->base.bios_local_image);
122	kfree(bp->base.integrated_info);
123}
124
125static void firmware_parser_destroy(struct dc_bios **dcb)
126{
127	struct bios_parser *bp = BP_FROM_DCB(*dcb);
128
129	if (!bp) {
130		BREAK_TO_DEBUGGER();
131		return;
132	}
133
134	bios_parser2_destruct(bp);
135
136	kfree(bp);
137	*dcb = NULL;
138}
139
140static void get_atom_data_table_revision(
141	struct atom_common_table_header *atom_data_tbl,
142	struct atom_data_revision *tbl_revision)
143{
144	if (!tbl_revision)
145		return;
146
147	/* initialize the revision to 0 which is invalid revision */
148	tbl_revision->major = 0;
149	tbl_revision->minor = 0;
150
151	if (!atom_data_tbl)
152		return;
153
154	tbl_revision->major =
155			(uint32_t) atom_data_tbl->format_revision & 0x3f;
156	tbl_revision->minor =
157			(uint32_t) atom_data_tbl->content_revision & 0x3f;
158}
159
160/* BIOS oject table displaypath is per connector.
161 * There is extra path not for connector. BIOS fill its encoderid as 0
162 */
163static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
164{
165	struct bios_parser *bp = BP_FROM_DCB(dcb);
166	unsigned int count = 0;
167	unsigned int i;
168
169	for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
170		if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
171			count++;
172	}
173	return count;
174}
175
176static struct graphics_object_id bios_parser_get_connector_id(
177	struct dc_bios *dcb,
178	uint8_t i)
179{
180	struct bios_parser *bp = BP_FROM_DCB(dcb);
181	struct graphics_object_id object_id = dal_graphics_object_id_init(
182		0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
183	struct object_info_table *tbl = &bp->object_info_tbl;
184	struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
185
186	if (v1_4->number_of_path > i) {
187		/* If display_objid is generic object id,  the encoderObj
188		 * /extencoderobjId should be 0
189		 */
190		if (v1_4->display_path[i].encoderobjid != 0 &&
191				v1_4->display_path[i].display_objid != 0)
192			object_id = object_id_from_bios_object_id(
193					v1_4->display_path[i].display_objid);
194	}
195
196	return object_id;
197}
198
199static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
200	struct graphics_object_id object_id, uint32_t index,
201	struct graphics_object_id *src_object_id)
202{
203	struct bios_parser *bp = BP_FROM_DCB(dcb);
204	unsigned int i;
205	enum bp_result  bp_result = BP_RESULT_BADINPUT;
206	struct graphics_object_id obj_id = {0};
207	struct object_info_table *tbl = &bp->object_info_tbl;
208
209	if (!src_object_id)
210		return bp_result;
211
212	switch (object_id.type) {
213	/* Encoder's Source is GPU.  BIOS does not provide GPU, since all
214	 * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
215	 */
216	case OBJECT_TYPE_ENCODER:
217		/* TODO: since num of src must be less than 2.
218		 * If found in for loop, should break.
219		 * DAL2 implementation may be changed too
220		 */
221		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
222			obj_id = object_id_from_bios_object_id(
223			tbl->v1_4->display_path[i].encoderobjid);
224			if (object_id.type == obj_id.type &&
225					object_id.id == obj_id.id &&
226						object_id.enum_id ==
227							obj_id.enum_id) {
228				*src_object_id =
229				object_id_from_bios_object_id(0x1100);
230				/* break; */
231			}
232		}
233		bp_result = BP_RESULT_OK;
234		break;
235	case OBJECT_TYPE_CONNECTOR:
236		for (i = 0; i < tbl->v1_4->number_of_path; i++) {
237			obj_id = object_id_from_bios_object_id(
238				tbl->v1_4->display_path[i].display_objid);
239
240			if (object_id.type == obj_id.type &&
241				object_id.id == obj_id.id &&
242					object_id.enum_id == obj_id.enum_id) {
243				*src_object_id =
244				object_id_from_bios_object_id(
245				tbl->v1_4->display_path[i].encoderobjid);
246				/* break; */
247			}
248		}
249		bp_result = BP_RESULT_OK;
250		break;
251	default:
252		break;
253	}
254
255	return bp_result;
256}
257
258/* from graphics_object_id, find display path which includes the object_id */
259static struct atom_display_object_path_v2 *get_bios_object(
260		struct bios_parser *bp,
261		struct graphics_object_id id)
262{
263	unsigned int i;
264	struct graphics_object_id obj_id = {0};
265
266	switch (id.type) {
267	case OBJECT_TYPE_ENCODER:
268		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
269			obj_id = object_id_from_bios_object_id(
270					bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
271			if (id.type == obj_id.type && id.id == obj_id.id
272					&& id.enum_id == obj_id.enum_id)
273				return &bp->object_info_tbl.v1_4->display_path[i];
274		}
275		/* fall through */
276	case OBJECT_TYPE_CONNECTOR:
277	case OBJECT_TYPE_GENERIC:
278		/* Both Generic and Connector Object ID
279		 * will be stored on display_objid
280		 */
281		for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
282			obj_id = object_id_from_bios_object_id(
283					bp->object_info_tbl.v1_4->display_path[i].display_objid);
284			if (id.type == obj_id.type && id.id == obj_id.id
285					&& id.enum_id == obj_id.enum_id)
286				return &bp->object_info_tbl.v1_4->display_path[i];
287		}
288		/* fall through */
289	default:
290		return NULL;
291	}
292}
293
294static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
295	struct graphics_object_id id,
296	struct graphics_object_i2c_info *info)
297{
298	uint32_t offset;
299	struct atom_display_object_path_v2 *object;
300	struct atom_common_record_header *header;
301	struct atom_i2c_record *record;
302	struct atom_i2c_record dummy_record = {0};
303	struct bios_parser *bp = BP_FROM_DCB(dcb);
304
305	if (!info)
306		return BP_RESULT_BADINPUT;
307
308	if (id.type == OBJECT_TYPE_GENERIC) {
309		dummy_record.i2c_id = id.id;
310
311		if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
312			return BP_RESULT_OK;
313		else
314			return BP_RESULT_NORECORD;
315	}
316
317	object = get_bios_object(bp, id);
318
319	if (!object)
320		return BP_RESULT_BADINPUT;
321
322	offset = object->disp_recordoffset + bp->object_info_tbl_offset;
323
324	for (;;) {
325		header = GET_IMAGE(struct atom_common_record_header, offset);
326
327		if (!header)
328			return BP_RESULT_BADBIOSTABLE;
329
330		if (header->record_type == LAST_RECORD_TYPE ||
331			!header->record_size)
332			break;
333
334		if (header->record_type == ATOM_I2C_RECORD_TYPE
335			&& sizeof(struct atom_i2c_record) <=
336							header->record_size) {
337			/* get the I2C info */
338			record = (struct atom_i2c_record *) header;
339
340			if (get_gpio_i2c_info(bp, record, info) ==
341								BP_RESULT_OK)
342				return BP_RESULT_OK;
343		}
344
345		offset += header->record_size;
346	}
347
348	return BP_RESULT_NORECORD;
349}
350
351static enum bp_result get_gpio_i2c_info(
352	struct bios_parser *bp,
353	struct atom_i2c_record *record,
354	struct graphics_object_i2c_info *info)
355{
356	struct atom_gpio_pin_lut_v2_1 *header;
357	uint32_t count = 0;
358	unsigned int table_index = 0;
359	bool find_valid = false;
360
361	if (!info)
362		return BP_RESULT_BADINPUT;
363
364	/* get the GPIO_I2C info */
365	if (!DATA_TABLES(gpio_pin_lut))
366		return BP_RESULT_BADBIOSTABLE;
367
368	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
369					DATA_TABLES(gpio_pin_lut));
370	if (!header)
371		return BP_RESULT_BADBIOSTABLE;
372
373	if (sizeof(struct atom_common_table_header) +
374			sizeof(struct atom_gpio_pin_assignment)	>
375			le16_to_cpu(header->table_header.structuresize))
376		return BP_RESULT_BADBIOSTABLE;
377
378	/* TODO: is version change? */
379	if (header->table_header.content_revision != 1)
380		return BP_RESULT_UNSUPPORTED;
381
382	/* get data count */
383	count = (le16_to_cpu(header->table_header.structuresize)
384			- sizeof(struct atom_common_table_header))
385				/ sizeof(struct atom_gpio_pin_assignment);
386
387	for (table_index = 0; table_index < count; table_index++) {
388		if (((record->i2c_id & I2C_HW_CAP) == (
389		header->gpio_pin[table_index].gpio_id &
390						I2C_HW_CAP)) &&
391		((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
392		(header->gpio_pin[table_index].gpio_id &
393					I2C_HW_ENGINE_ID_MASK)) &&
394		((record->i2c_id & I2C_HW_LANE_MUX) ==
395		(header->gpio_pin[table_index].gpio_id &
396						I2C_HW_LANE_MUX))) {
397			/* still valid */
398			find_valid = true;
399			break;
400		}
401	}
402
403	/* If we don't find the entry that we are looking for then
404	 *  we will return BP_Result_BadBiosTable.
405	 */
406	if (find_valid == false)
407		return BP_RESULT_BADBIOSTABLE;
408
409	/* get the GPIO_I2C_INFO */
410	info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
411	info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
412	info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
413	info->i2c_slave_address = record->i2c_slave_addr;
414
415	/* TODO: check how to get register offset for en, Y, etc. */
416	info->gpio_info.clk_a_register_index =
417			le16_to_cpu(
418			header->gpio_pin[table_index].data_a_reg_index);
419	info->gpio_info.clk_a_shift =
420			header->gpio_pin[table_index].gpio_bitshift;
421
422	return BP_RESULT_OK;
423}
424
425static enum bp_result bios_parser_get_hpd_info(
426	struct dc_bios *dcb,
427	struct graphics_object_id id,
428	struct graphics_object_hpd_info *info)
429{
430	struct bios_parser *bp = BP_FROM_DCB(dcb);
431	struct atom_display_object_path_v2 *object;
432	struct atom_hpd_int_record *record = NULL;
433
434	if (!info)
435		return BP_RESULT_BADINPUT;
436
437	object = get_bios_object(bp, id);
438
439	if (!object)
440		return BP_RESULT_BADINPUT;
441
442	record = get_hpd_record(bp, object);
443
444	if (record != NULL) {
445		info->hpd_int_gpio_uid = record->pin_id;
446		info->hpd_active = record->plugin_pin_state;
447		return BP_RESULT_OK;
448	}
449
450	return BP_RESULT_NORECORD;
451}
452
453static struct atom_hpd_int_record *get_hpd_record(
454	struct bios_parser *bp,
455	struct atom_display_object_path_v2 *object)
456{
457	struct atom_common_record_header *header;
458	uint32_t offset;
459
460	if (!object) {
461		BREAK_TO_DEBUGGER(); /* Invalid object */
462		return NULL;
463	}
464
465	offset = le16_to_cpu(object->disp_recordoffset)
466			+ bp->object_info_tbl_offset;
467
468	for (;;) {
469		header = GET_IMAGE(struct atom_common_record_header, offset);
470
471		if (!header)
472			return NULL;
473
474		if (header->record_type == LAST_RECORD_TYPE ||
475			!header->record_size)
476			break;
477
478		if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
479			&& sizeof(struct atom_hpd_int_record) <=
480							header->record_size)
481			return (struct atom_hpd_int_record *) header;
482
483		offset += header->record_size;
484	}
485
486	return NULL;
487}
488
489/**
490 * bios_parser_get_gpio_pin_info
491 * Get GpioPin information of input gpio id
492 *
493 * @param gpio_id, GPIO ID
494 * @param info, GpioPin information structure
495 * @return Bios parser result code
496 * @note
497 *  to get the GPIO PIN INFO, we need:
498 *  1. get the GPIO_ID from other object table, see GetHPDInfo()
499 *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
500 *	to get the registerA  offset/mask
501 */
502static enum bp_result bios_parser_get_gpio_pin_info(
503	struct dc_bios *dcb,
504	uint32_t gpio_id,
505	struct gpio_pin_info *info)
506{
507	struct bios_parser *bp = BP_FROM_DCB(dcb);
508	struct atom_gpio_pin_lut_v2_1 *header;
509	uint32_t count = 0;
510	uint32_t i = 0;
511
512	if (!DATA_TABLES(gpio_pin_lut))
513		return BP_RESULT_BADBIOSTABLE;
514
515	header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
516						DATA_TABLES(gpio_pin_lut));
517	if (!header)
518		return BP_RESULT_BADBIOSTABLE;
519
520	if (sizeof(struct atom_common_table_header) +
521			sizeof(struct atom_gpio_pin_assignment)
522			> le16_to_cpu(header->table_header.structuresize))
523		return BP_RESULT_BADBIOSTABLE;
524
525	if (header->table_header.content_revision != 1)
526		return BP_RESULT_UNSUPPORTED;
527
528	/* Temporary hard code gpio pin info */
529#if defined(FOR_SIMNOW_BOOT)
530	{
531		struct  atom_gpio_pin_assignment  gpio_pin[8] = {
532				{0x5db5, 0, 0, 1, 0},
533				{0x5db5, 8, 8, 2, 0},
534				{0x5db5, 0x10, 0x10, 3, 0},
535				{0x5db5, 0x18, 0x14, 4, 0},
536				{0x5db5, 0x1A, 0x18, 5, 0},
537				{0x5db5, 0x1C, 0x1C, 6, 0},
538		};
539
540		count = 6;
541		memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
542	}
543#else
544	count = (le16_to_cpu(header->table_header.structuresize)
545			- sizeof(struct atom_common_table_header))
546				/ sizeof(struct atom_gpio_pin_assignment);
547#endif
548	for (i = 0; i < count; ++i) {
549		if (header->gpio_pin[i].gpio_id != gpio_id)
550			continue;
551
552		info->offset =
553			(uint32_t) le16_to_cpu(
554					header->gpio_pin[i].data_a_reg_index);
555		info->offset_y = info->offset + 2;
556		info->offset_en = info->offset + 1;
557		info->offset_mask = info->offset - 1;
558
559		info->mask = (uint32_t) (1 <<
560			header->gpio_pin[i].gpio_bitshift);
561		info->mask_y = info->mask + 2;
562		info->mask_en = info->mask + 1;
563		info->mask_mask = info->mask - 1;
564
565		return BP_RESULT_OK;
566	}
567
568	return BP_RESULT_NORECORD;
569}
570
571static struct device_id device_type_from_device_id(uint16_t device_id)
572{
573
574	struct device_id result_device_id;
575
576	result_device_id.raw_device_tag = device_id;
577
578	switch (device_id) {
579	case ATOM_DISPLAY_LCD1_SUPPORT:
580		result_device_id.device_type = DEVICE_TYPE_LCD;
581		result_device_id.enum_id = 1;
582		break;
583
584	case ATOM_DISPLAY_DFP1_SUPPORT:
585		result_device_id.device_type = DEVICE_TYPE_DFP;
586		result_device_id.enum_id = 1;
587		break;
588
589	case ATOM_DISPLAY_DFP2_SUPPORT:
590		result_device_id.device_type = DEVICE_TYPE_DFP;
591		result_device_id.enum_id = 2;
592		break;
593
594	case ATOM_DISPLAY_DFP3_SUPPORT:
595		result_device_id.device_type = DEVICE_TYPE_DFP;
596		result_device_id.enum_id = 3;
597		break;
598
599	case ATOM_DISPLAY_DFP4_SUPPORT:
600		result_device_id.device_type = DEVICE_TYPE_DFP;
601		result_device_id.enum_id = 4;
602		break;
603
604	case ATOM_DISPLAY_DFP5_SUPPORT:
605		result_device_id.device_type = DEVICE_TYPE_DFP;
606		result_device_id.enum_id = 5;
607		break;
608
609	case ATOM_DISPLAY_DFP6_SUPPORT:
610		result_device_id.device_type = DEVICE_TYPE_DFP;
611		result_device_id.enum_id = 6;
612		break;
613
614	default:
615		BREAK_TO_DEBUGGER(); /* Invalid device Id */
616		result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
617		result_device_id.enum_id = 0;
618	}
619	return result_device_id;
620}
621
622static enum bp_result bios_parser_get_device_tag(
623	struct dc_bios *dcb,
624	struct graphics_object_id connector_object_id,
625	uint32_t device_tag_index,
626	struct connector_device_tag_info *info)
627{
628	struct bios_parser *bp = BP_FROM_DCB(dcb);
629	struct atom_display_object_path_v2 *object;
630
631	if (!info)
632		return BP_RESULT_BADINPUT;
633
634	/* getBiosObject will return MXM object */
635	object = get_bios_object(bp, connector_object_id);
636
637	if (!object) {
638		BREAK_TO_DEBUGGER(); /* Invalid object id */
639		return BP_RESULT_BADINPUT;
640	}
641
642	info->acpi_device = 0; /* BIOS no longer provides this */
643	info->dev_id = device_type_from_device_id(object->device_tag);
644
645	return BP_RESULT_OK;
646}
647
648static enum bp_result get_ss_info_v4_1(
649	struct bios_parser *bp,
650	uint32_t id,
651	uint32_t index,
652	struct spread_spectrum_info *ss_info)
653{
654	enum bp_result result = BP_RESULT_OK;
655	struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
656	struct atom_smu_info_v3_3 *smu_info = NULL;
657
658	if (!ss_info)
659		return BP_RESULT_BADINPUT;
660
661	if (!DATA_TABLES(dce_info))
662		return BP_RESULT_BADBIOSTABLE;
663
664	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
665							DATA_TABLES(dce_info));
666	if (!disp_cntl_tbl)
667		return BP_RESULT_BADBIOSTABLE;
668
669
670	ss_info->type.STEP_AND_DELAY_INFO = false;
671	ss_info->spread_percentage_divider = 1000;
672	/* BIOS no longer uses target clock.  Always enable for now */
673	ss_info->target_clock_range = 0xffffffff;
674
675	switch (id) {
676	case AS_SIGNAL_TYPE_DVI:
677		ss_info->spread_spectrum_percentage =
678				disp_cntl_tbl->dvi_ss_percentage;
679		ss_info->spread_spectrum_range =
680				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
681		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
682			ss_info->type.CENTER_MODE = true;
683		break;
684	case AS_SIGNAL_TYPE_HDMI:
685		ss_info->spread_spectrum_percentage =
686				disp_cntl_tbl->hdmi_ss_percentage;
687		ss_info->spread_spectrum_range =
688				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
689		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
690			ss_info->type.CENTER_MODE = true;
691		break;
692	/* TODO LVDS not support anymore? */
693	case AS_SIGNAL_TYPE_DISPLAY_PORT:
694		ss_info->spread_spectrum_percentage =
695				disp_cntl_tbl->dp_ss_percentage;
696		ss_info->spread_spectrum_range =
697				disp_cntl_tbl->dp_ss_rate_10hz * 10;
698		if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
699			ss_info->type.CENTER_MODE = true;
700		break;
701	case AS_SIGNAL_TYPE_GPU_PLL:
702		/* atom_firmware: DAL only get data from dce_info table.
703		 * if data within smu_info is needed for DAL, VBIOS should
704		 * copy it into dce_info
705		 */
706		result = BP_RESULT_UNSUPPORTED;
707		break;
708	case AS_SIGNAL_TYPE_XGMI:
709		smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
710				      DATA_TABLES(smu_info));
711		if (!smu_info)
712			return BP_RESULT_BADBIOSTABLE;
713
714		ss_info->spread_spectrum_percentage =
715				smu_info->waflclk_ss_percentage;
716		ss_info->spread_spectrum_range =
717				smu_info->gpuclk_ss_rate_10hz * 10;
718		if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
719			ss_info->type.CENTER_MODE = true;
720		break;
721	default:
722		result = BP_RESULT_UNSUPPORTED;
723	}
724
725	return result;
726}
727
728static enum bp_result get_ss_info_v4_2(
729	struct bios_parser *bp,
730	uint32_t id,
731	uint32_t index,
732	struct spread_spectrum_info *ss_info)
733{
734	enum bp_result result = BP_RESULT_OK;
735	struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
736	struct atom_smu_info_v3_1 *smu_info = NULL;
737
738	if (!ss_info)
739		return BP_RESULT_BADINPUT;
740
741	if (!DATA_TABLES(dce_info))
742		return BP_RESULT_BADBIOSTABLE;
743
744	if (!DATA_TABLES(smu_info))
745		return BP_RESULT_BADBIOSTABLE;
746
747	disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
748							DATA_TABLES(dce_info));
749	if (!disp_cntl_tbl)
750		return BP_RESULT_BADBIOSTABLE;
751
752	smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
753	if (!smu_info)
754		return BP_RESULT_BADBIOSTABLE;
755
756	ss_info->type.STEP_AND_DELAY_INFO = false;
757	ss_info->spread_percentage_divider = 1000;
758	/* BIOS no longer uses target clock.  Always enable for now */
759	ss_info->target_clock_range = 0xffffffff;
760
761	switch (id) {
762	case AS_SIGNAL_TYPE_DVI:
763		ss_info->spread_spectrum_percentage =
764				disp_cntl_tbl->dvi_ss_percentage;
765		ss_info->spread_spectrum_range =
766				disp_cntl_tbl->dvi_ss_rate_10hz * 10;
767		if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
768			ss_info->type.CENTER_MODE = true;
769		break;
770	case AS_SIGNAL_TYPE_HDMI:
771		ss_info->spread_spectrum_percentage =
772				disp_cntl_tbl->hdmi_ss_percentage;
773		ss_info->spread_spectrum_range =
774				disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
775		if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
776			ss_info->type.CENTER_MODE = true;
777		break;
778	/* TODO LVDS not support anymore? */
779	case AS_SIGNAL_TYPE_DISPLAY_PORT:
780		ss_info->spread_spectrum_percentage =
781				smu_info->gpuclk_ss_percentage;
782		ss_info->spread_spectrum_range =
783				smu_info->gpuclk_ss_rate_10hz * 10;
784		if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
785			ss_info->type.CENTER_MODE = true;
786		break;
787	case AS_SIGNAL_TYPE_GPU_PLL:
788		/* atom_firmware: DAL only get data from dce_info table.
789		 * if data within smu_info is needed for DAL, VBIOS should
790		 * copy it into dce_info
791		 */
792		result = BP_RESULT_UNSUPPORTED;
793		break;
794	default:
795		result = BP_RESULT_UNSUPPORTED;
796	}
797
798	return result;
799}
800
801/**
802 * bios_parser_get_spread_spectrum_info
803 * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
804 * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
805 * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
806 * ver 3.1,
807 * there is only one entry for each signal /ss id.  However, there is
808 * no planning of supporting multiple spread Sprectum entry for EverGreen
809 * @param [in] this
810 * @param [in] signal, ASSignalType to be converted to info index
811 * @param [in] index, number of entries that match the converted info index
812 * @param [out] ss_info, sprectrum information structure,
813 * @return Bios parser result code
814 */
815static enum bp_result bios_parser_get_spread_spectrum_info(
816	struct dc_bios *dcb,
817	enum as_signal_type signal,
818	uint32_t index,
819	struct spread_spectrum_info *ss_info)
820{
821	struct bios_parser *bp = BP_FROM_DCB(dcb);
822	enum bp_result result = BP_RESULT_UNSUPPORTED;
823	struct atom_common_table_header *header;
824	struct atom_data_revision tbl_revision;
825
826	if (!ss_info) /* check for bad input */
827		return BP_RESULT_BADINPUT;
828
829	if (!DATA_TABLES(dce_info))
830		return BP_RESULT_UNSUPPORTED;
831
832	header = GET_IMAGE(struct atom_common_table_header,
833						DATA_TABLES(dce_info));
834	get_atom_data_table_revision(header, &tbl_revision);
835
836	switch (tbl_revision.major) {
837	case 4:
838		switch (tbl_revision.minor) {
839		case 1:
840			return get_ss_info_v4_1(bp, signal, index, ss_info);
841		case 2:
842		case 3:
843			return get_ss_info_v4_2(bp, signal, index, ss_info);
844		default:
845			break;
846		}
847		break;
848	default:
849		break;
850	}
851	/* there can not be more then one entry for SS Info table */
852	return result;
853}
854
855static enum bp_result get_embedded_panel_info_v2_1(
856		struct bios_parser *bp,
857		struct embedded_panel_info *info)
858{
859	struct lcd_info_v2_1 *lvds;
860
861	if (!info)
862		return BP_RESULT_BADINPUT;
863
864	if (!DATA_TABLES(lcd_info))
865		return BP_RESULT_UNSUPPORTED;
866
867	lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
868
869	if (!lvds)
870		return BP_RESULT_BADBIOSTABLE;
871
872	/* TODO: previous vv1_3, should v2_1 */
873	if (!((lvds->table_header.format_revision == 2)
874			&& (lvds->table_header.content_revision >= 1)))
875		return BP_RESULT_UNSUPPORTED;
876
877	memset(info, 0, sizeof(struct embedded_panel_info));
878
879	/* We need to convert from 10KHz units into KHz units */
880	info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
881	/* usHActive does not include borders, according to VBIOS team */
882	info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
883	/* usHBlanking_Time includes borders, so we should really be
884	 * subtractingborders duing this translation, but LVDS generally
885	 * doesn't have borders, so we should be okay leaving this as is for
886	 * now.  May need to revisit if we ever have LVDS with borders
887	 */
888	info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
889	/* usVActive does not include borders, according to VBIOS team*/
890	info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
891	/* usVBlanking_Time includes borders, so we should really be
892	 * subtracting borders duing this translation, but LVDS generally
893	 * doesn't have borders, so we should be okay leaving this as is for
894	 * now. May need to revisit if we ever have LVDS with borders
895	 */
896	info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
897	info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
898	info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
899	info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
900	info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
901	info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
902	info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
903
904	/* not provided by VBIOS */
905	info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
906
907	info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
908			& ATOM_HSYNC_POLARITY);
909	info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
910			& ATOM_VSYNC_POLARITY);
911
912	/* not provided by VBIOS */
913	info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
914
915	info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
916			& ATOM_H_REPLICATIONBY2);
917	info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
918			& ATOM_V_REPLICATIONBY2);
919	info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
920			& ATOM_COMPOSITESYNC);
921	info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
922
923	/* not provided by VBIOS*/
924	info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
925	/* not provided by VBIOS*/
926	info->ss_id = 0;
927
928	info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
929
930	return BP_RESULT_OK;
931}
932
933static enum bp_result bios_parser_get_embedded_panel_info(
934		struct dc_bios *dcb,
935		struct embedded_panel_info *info)
936{
937	struct bios_parser
938	*bp = BP_FROM_DCB(dcb);
939	struct atom_common_table_header *header;
940	struct atom_data_revision tbl_revision;
941
942	if (!DATA_TABLES(lcd_info))
943		return BP_RESULT_FAILURE;
944
945	header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
946
947	if (!header)
948		return BP_RESULT_BADBIOSTABLE;
949
950	get_atom_data_table_revision(header, &tbl_revision);
951
952	switch (tbl_revision.major) {
953	case 2:
954		switch (tbl_revision.minor) {
955		case 1:
956			return get_embedded_panel_info_v2_1(bp, info);
957		default:
958			break;
959		}
960	default:
961		break;
962	}
963
964	return BP_RESULT_FAILURE;
965}
966
967static uint32_t get_support_mask_for_device_id(struct device_id device_id)
968{
969	enum dal_device_type device_type = device_id.device_type;
970	uint32_t enum_id = device_id.enum_id;
971
972	switch (device_type) {
973	case DEVICE_TYPE_LCD:
974		switch (enum_id) {
975		case 1:
976			return ATOM_DISPLAY_LCD1_SUPPORT;
977		default:
978			break;
979		}
980		break;
981	case DEVICE_TYPE_DFP:
982		switch (enum_id) {
983		case 1:
984			return ATOM_DISPLAY_DFP1_SUPPORT;
985		case 2:
986			return ATOM_DISPLAY_DFP2_SUPPORT;
987		case 3:
988			return ATOM_DISPLAY_DFP3_SUPPORT;
989		case 4:
990			return ATOM_DISPLAY_DFP4_SUPPORT;
991		case 5:
992			return ATOM_DISPLAY_DFP5_SUPPORT;
993		case 6:
994			return ATOM_DISPLAY_DFP6_SUPPORT;
995		default:
996			break;
997		}
998		break;
999	default:
1000		break;
1001	}
1002
1003	/* Unidentified device ID, return empty support mask. */
1004	return 0;
1005}
1006
1007static bool bios_parser_is_device_id_supported(
1008	struct dc_bios *dcb,
1009	struct device_id id)
1010{
1011	struct bios_parser *bp = BP_FROM_DCB(dcb);
1012
1013	uint32_t mask = get_support_mask_for_device_id(id);
1014
1015	return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1016								mask) != 0;
1017}
1018
1019static uint32_t bios_parser_get_ss_entry_number(
1020	struct dc_bios *dcb,
1021	enum as_signal_type signal)
1022{
1023	/* TODO: DAL2 atomfirmware implementation does not need this.
1024	 * why DAL3 need this?
1025	 */
1026	return 1;
1027}
1028
1029static enum bp_result bios_parser_transmitter_control(
1030	struct dc_bios *dcb,
1031	struct bp_transmitter_control *cntl)
1032{
1033	struct bios_parser *bp = BP_FROM_DCB(dcb);
1034
1035	if (!bp->cmd_tbl.transmitter_control)
1036		return BP_RESULT_FAILURE;
1037
1038	return bp->cmd_tbl.transmitter_control(bp, cntl);
1039}
1040
1041static enum bp_result bios_parser_encoder_control(
1042	struct dc_bios *dcb,
1043	struct bp_encoder_control *cntl)
1044{
1045	struct bios_parser *bp = BP_FROM_DCB(dcb);
1046
1047	if (!bp->cmd_tbl.dig_encoder_control)
1048		return BP_RESULT_FAILURE;
1049
1050	return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1051}
1052
1053static enum bp_result bios_parser_set_pixel_clock(
1054	struct dc_bios *dcb,
1055	struct bp_pixel_clock_parameters *bp_params)
1056{
1057	struct bios_parser *bp = BP_FROM_DCB(dcb);
1058
1059	if (!bp->cmd_tbl.set_pixel_clock)
1060		return BP_RESULT_FAILURE;
1061
1062	return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1063}
1064
1065static enum bp_result bios_parser_set_dce_clock(
1066	struct dc_bios *dcb,
1067	struct bp_set_dce_clock_parameters *bp_params)
1068{
1069	struct bios_parser *bp = BP_FROM_DCB(dcb);
1070
1071	if (!bp->cmd_tbl.set_dce_clock)
1072		return BP_RESULT_FAILURE;
1073
1074	return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1075}
1076
1077static enum bp_result bios_parser_program_crtc_timing(
1078	struct dc_bios *dcb,
1079	struct bp_hw_crtc_timing_parameters *bp_params)
1080{
1081	struct bios_parser *bp = BP_FROM_DCB(dcb);
1082
1083	if (!bp->cmd_tbl.set_crtc_timing)
1084		return BP_RESULT_FAILURE;
1085
1086	return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1087}
1088
1089static enum bp_result bios_parser_enable_crtc(
1090	struct dc_bios *dcb,
1091	enum controller_id id,
1092	bool enable)
1093{
1094	struct bios_parser *bp = BP_FROM_DCB(dcb);
1095
1096	if (!bp->cmd_tbl.enable_crtc)
1097		return BP_RESULT_FAILURE;
1098
1099	return bp->cmd_tbl.enable_crtc(bp, id, enable);
1100}
1101
1102static enum bp_result bios_parser_enable_disp_power_gating(
1103	struct dc_bios *dcb,
1104	enum controller_id controller_id,
1105	enum bp_pipe_control_action action)
1106{
1107	struct bios_parser *bp = BP_FROM_DCB(dcb);
1108
1109	if (!bp->cmd_tbl.enable_disp_power_gating)
1110		return BP_RESULT_FAILURE;
1111
1112	return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1113		action);
1114}
1115
1116static bool bios_parser_is_accelerated_mode(
1117	struct dc_bios *dcb)
1118{
1119	return bios_is_accelerated_mode(dcb);
1120}
1121
1122/**
1123 * bios_parser_set_scratch_critical_state
1124 *
1125 * @brief
1126 *  update critical state bit in VBIOS scratch register
1127 *
1128 * @param
1129 *  bool - to set or reset state
1130 */
1131static void bios_parser_set_scratch_critical_state(
1132	struct dc_bios *dcb,
1133	bool state)
1134{
1135	bios_set_scratch_critical_state(dcb, state);
1136}
1137
1138static enum bp_result bios_parser_get_firmware_info(
1139	struct dc_bios *dcb,
1140	struct dc_firmware_info *info)
1141{
1142	struct bios_parser *bp = BP_FROM_DCB(dcb);
1143	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1144	struct atom_common_table_header *header;
1145
1146	struct atom_data_revision revision;
1147
1148	if (info && DATA_TABLES(firmwareinfo)) {
1149		header = GET_IMAGE(struct atom_common_table_header,
1150				DATA_TABLES(firmwareinfo));
1151		get_atom_data_table_revision(header, &revision);
1152		switch (revision.major) {
1153		case 3:
1154			switch (revision.minor) {
1155			case 1:
1156				result = get_firmware_info_v3_1(bp, info);
1157				break;
1158			case 2:
1159				result = get_firmware_info_v3_2(bp, info);
1160				break;
1161			case 3:
1162				result = get_firmware_info_v3_2(bp, info);
1163				break;
1164			default:
1165				break;
1166			}
1167			break;
1168		default:
1169			break;
1170		}
1171	}
1172
1173	return result;
1174}
1175
1176static enum bp_result get_firmware_info_v3_1(
1177	struct bios_parser *bp,
1178	struct dc_firmware_info *info)
1179{
1180	struct atom_firmware_info_v3_1 *firmware_info;
1181	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1182
1183	if (!info)
1184		return BP_RESULT_BADINPUT;
1185
1186	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1187			DATA_TABLES(firmwareinfo));
1188
1189	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1190			DATA_TABLES(dce_info));
1191
1192	if (!firmware_info || !dce_info)
1193		return BP_RESULT_BADBIOSTABLE;
1194
1195	memset(info, 0, sizeof(*info));
1196
1197	/* Pixel clock pll information. */
1198	 /* We need to convert from 10KHz units into KHz units */
1199	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1200	info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1201
1202	 /* 27MHz for Vega10: */
1203	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1204
1205	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1206	if (info->pll_info.crystal_frequency == 0)
1207		info->pll_info.crystal_frequency = 27000;
1208	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1209	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1210	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1211
1212	/* Get GPU PLL VCO Clock */
1213
1214	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1215		/* VBIOS gives in 10KHz */
1216		info->smu_gpu_pll_output_freq =
1217				bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1218	}
1219
1220	info->oem_i2c_present = false;
1221
1222	return BP_RESULT_OK;
1223}
1224
1225static enum bp_result get_firmware_info_v3_2(
1226	struct bios_parser *bp,
1227	struct dc_firmware_info *info)
1228{
1229	struct atom_firmware_info_v3_2 *firmware_info;
1230	struct atom_display_controller_info_v4_1 *dce_info = NULL;
1231	struct atom_common_table_header *header;
1232	struct atom_data_revision revision;
1233	struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1234	struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1235
1236	if (!info)
1237		return BP_RESULT_BADINPUT;
1238
1239	firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1240			DATA_TABLES(firmwareinfo));
1241
1242	dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1243			DATA_TABLES(dce_info));
1244
1245	if (!firmware_info || !dce_info)
1246		return BP_RESULT_BADBIOSTABLE;
1247
1248	memset(info, 0, sizeof(*info));
1249
1250	header = GET_IMAGE(struct atom_common_table_header,
1251					DATA_TABLES(smu_info));
1252	get_atom_data_table_revision(header, &revision);
1253
1254	if (revision.minor == 2) {
1255		/* Vega12 */
1256		smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1257							DATA_TABLES(smu_info));
1258
1259		if (!smu_info_v3_2)
1260			return BP_RESULT_BADBIOSTABLE;
1261
1262		info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1263	} else if (revision.minor == 3) {
1264		/* Vega20 */
1265		smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1266							DATA_TABLES(smu_info));
1267
1268		if (!smu_info_v3_3)
1269			return BP_RESULT_BADBIOSTABLE;
1270
1271		info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1272	}
1273
1274	 // We need to convert from 10KHz units into KHz units.
1275	info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1276
1277	 /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1278	info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1279	/* Hardcode frequency if BIOS gives no DCE Ref Clk */
1280	if (info->pll_info.crystal_frequency == 0) {
1281		if (revision.minor == 2)
1282			info->pll_info.crystal_frequency = 27000;
1283		else if (revision.minor == 3)
1284			info->pll_info.crystal_frequency = 100000;
1285	}
1286	/*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1287	info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1288	info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1289
1290	/* Get GPU PLL VCO Clock */
1291	if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1292		if (revision.minor == 2)
1293			info->smu_gpu_pll_output_freq =
1294					bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1295		else if (revision.minor == 3)
1296			info->smu_gpu_pll_output_freq =
1297					bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1298	}
1299
1300	if (firmware_info->board_i2c_feature_id == 0x2) {
1301		info->oem_i2c_present = true;
1302		info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1303	} else {
1304		info->oem_i2c_present = false;
1305	}
1306
1307	return BP_RESULT_OK;
1308}
1309
1310static enum bp_result bios_parser_get_encoder_cap_info(
1311	struct dc_bios *dcb,
1312	struct graphics_object_id object_id,
1313	struct bp_encoder_cap_info *info)
1314{
1315	struct bios_parser *bp = BP_FROM_DCB(dcb);
1316	struct atom_display_object_path_v2 *object;
1317	struct atom_encoder_caps_record *record = NULL;
1318
1319	if (!info)
1320		return BP_RESULT_BADINPUT;
1321
1322	object = get_bios_object(bp, object_id);
1323
1324	if (!object)
1325		return BP_RESULT_BADINPUT;
1326
1327	record = get_encoder_cap_record(bp, object);
1328	if (!record)
1329		return BP_RESULT_NORECORD;
1330
1331	info->DP_HBR2_CAP = (record->encodercaps &
1332			ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1333	info->DP_HBR2_EN = (record->encodercaps &
1334			ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1335	info->DP_HBR3_EN = (record->encodercaps &
1336			ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1337	info->HDMI_6GB_EN = (record->encodercaps &
1338			ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1339	info->DP_IS_USB_C = (record->encodercaps &
1340			ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
1341
1342	return BP_RESULT_OK;
1343}
1344
1345
1346static struct atom_encoder_caps_record *get_encoder_cap_record(
1347	struct bios_parser *bp,
1348	struct atom_display_object_path_v2 *object)
1349{
1350	struct atom_common_record_header *header;
1351	uint32_t offset;
1352
1353	if (!object) {
1354		BREAK_TO_DEBUGGER(); /* Invalid object */
1355		return NULL;
1356	}
1357
1358	offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1359
1360	for (;;) {
1361		header = GET_IMAGE(struct atom_common_record_header, offset);
1362
1363		if (!header)
1364			return NULL;
1365
1366		offset += header->record_size;
1367
1368		if (header->record_type == LAST_RECORD_TYPE ||
1369				!header->record_size)
1370			break;
1371
1372		if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1373			continue;
1374
1375		if (sizeof(struct atom_encoder_caps_record) <=
1376							header->record_size)
1377			return (struct atom_encoder_caps_record *)header;
1378	}
1379
1380	return NULL;
1381}
1382
1383/*
1384 * get_integrated_info_v11
1385 *
1386 * @brief
1387 * Get V8 integrated BIOS information
1388 *
1389 * @param
1390 * bios_parser *bp - [in]BIOS parser handler to get master data table
1391 * integrated_info *info - [out] store and output integrated info
1392 *
1393 * @return
1394 * enum bp_result - BP_RESULT_OK if information is available,
1395 *                  BP_RESULT_BADBIOSTABLE otherwise.
1396 */
1397static enum bp_result get_integrated_info_v11(
1398	struct bios_parser *bp,
1399	struct integrated_info *info)
1400{
1401	struct atom_integrated_system_info_v1_11 *info_v11;
1402	uint32_t i;
1403
1404	info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1405					DATA_TABLES(integratedsysteminfo));
1406
1407	if (info_v11 == NULL)
1408		return BP_RESULT_BADBIOSTABLE;
1409
1410	info->gpu_cap_info =
1411	le32_to_cpu(info_v11->gpucapinfo);
1412	/*
1413	* system_config: Bit[0] = 0 : PCIE power gating disabled
1414	*                       = 1 : PCIE power gating enabled
1415	*                Bit[1] = 0 : DDR-PLL shut down disabled
1416	*                       = 1 : DDR-PLL shut down enabled
1417	*                Bit[2] = 0 : DDR-PLL power down disabled
1418	*                       = 1 : DDR-PLL power down enabled
1419	*/
1420	info->system_config = le32_to_cpu(info_v11->system_config);
1421	info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1422	info->memory_type = info_v11->memorytype;
1423	info->ma_channel_number = info_v11->umachannelnumber;
1424	info->lvds_ss_percentage =
1425	le16_to_cpu(info_v11->lvds_ss_percentage);
1426	info->dp_ss_control =
1427	le16_to_cpu(info_v11->reserved1);
1428	info->lvds_sspread_rate_in_10hz =
1429	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1430	info->hdmi_ss_percentage =
1431	le16_to_cpu(info_v11->hdmi_ss_percentage);
1432	info->hdmi_sspread_rate_in_10hz =
1433	le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1434	info->dvi_ss_percentage =
1435	le16_to_cpu(info_v11->dvi_ss_percentage);
1436	info->dvi_sspread_rate_in_10_hz =
1437	le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1438	info->lvds_misc = info_v11->lvds_misc;
1439	for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1440		info->ext_disp_conn_info.gu_id[i] =
1441				info_v11->extdispconninfo.guid[i];
1442	}
1443
1444	for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1445		info->ext_disp_conn_info.path[i].device_connector_id =
1446		object_id_from_bios_object_id(
1447		le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1448
1449		info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1450		object_id_from_bios_object_id(
1451			le16_to_cpu(
1452			info_v11->extdispconninfo.path[i].ext_encoder_objid));
1453
1454		info->ext_disp_conn_info.path[i].device_tag =
1455			le16_to_cpu(
1456				info_v11->extdispconninfo.path[i].device_tag);
1457		info->ext_disp_conn_info.path[i].device_acpi_enum =
1458		le16_to_cpu(
1459			info_v11->extdispconninfo.path[i].device_acpi_enum);
1460		info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1461			info_v11->extdispconninfo.path[i].auxddclut_index;
1462		info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1463			info_v11->extdispconninfo.path[i].hpdlut_index;
1464		info->ext_disp_conn_info.path[i].channel_mapping.raw =
1465			info_v11->extdispconninfo.path[i].channelmapping;
1466		info->ext_disp_conn_info.path[i].caps =
1467				le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1468	}
1469	info->ext_disp_conn_info.checksum =
1470	info_v11->extdispconninfo.checksum;
1471
1472	info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1473	info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1474	for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1475		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1476				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1477		info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1478				info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1479	}
1480	info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1481	for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1482		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1483				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1484		info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1485				info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1486	}
1487
1488	info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1489	info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1490	for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1491		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1492				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1493		info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1494				info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1495	}
1496	info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1497	for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1498		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1499				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1500		info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1501				info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1502	}
1503
1504	info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1505	info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1506	for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1507		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1508				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1509		info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1510				info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1511	}
1512	info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1513	for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1514		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1515				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1516		info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1517				info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1518	}
1519
1520	info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1521	info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1522	for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1523		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1524				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1525		info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1526				info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1527	}
1528	info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1529	for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1530		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1531				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1532		info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1533				info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1534	}
1535
1536
1537	/** TODO - review **/
1538	#if 0
1539	info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1540									* 10;
1541	info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1542	info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1543
1544	for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1545		/* Convert [10KHz] into [KHz] */
1546		info->disp_clk_voltage[i].max_supported_clk =
1547		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1548			ulMaximumSupportedCLK) * 10;
1549		info->disp_clk_voltage[i].voltage_index =
1550		le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1551	}
1552
1553	info->boot_up_req_display_vector =
1554			le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1555	info->boot_up_nb_voltage =
1556			le16_to_cpu(info_v11->usBootUpNBVoltage);
1557	info->ext_disp_conn_info_offset =
1558			le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1559	info->gmc_restore_reset_time =
1560			le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1561	info->minimum_n_clk =
1562			le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1563	for (i = 1; i < 4; ++i)
1564		info->minimum_n_clk =
1565				info->minimum_n_clk <
1566				le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1567				info->minimum_n_clk : le32_to_cpu(
1568					info_v11->ulNbpStateNClkFreq[i]);
1569
1570	info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1571	info->ddr_dll_power_up_time =
1572	    le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1573	info->ddr_pll_power_up_time =
1574		le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1575	info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1576	info->max_lvds_pclk_freq_in_single_link =
1577		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1578	info->max_lvds_pclk_freq_in_single_link =
1579		le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1580	info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1581		info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1582	info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1583		info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1584	info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1585		info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1586	info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1587		info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1588	info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1589		info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1590	info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1591		info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1592	info->lvds_off_to_on_delay_in_4ms =
1593		info_v11->ucLVDSOffToOnDelay_in4Ms;
1594	info->lvds_bit_depth_control_val =
1595		le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1596
1597	for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1598		/* Convert [10KHz] into [KHz] */
1599		info->avail_s_clk[i].supported_s_clk =
1600			le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1601									* 10;
1602		info->avail_s_clk[i].voltage_index =
1603			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1604		info->avail_s_clk[i].voltage_id =
1605			le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1606	}
1607	#endif /* TODO*/
1608
1609	return BP_RESULT_OK;
1610}
1611
1612
1613/*
1614 * construct_integrated_info
1615 *
1616 * @brief
1617 * Get integrated BIOS information based on table revision
1618 *
1619 * @param
1620 * bios_parser *bp - [in]BIOS parser handler to get master data table
1621 * integrated_info *info - [out] store and output integrated info
1622 *
1623 * @return
1624 * enum bp_result - BP_RESULT_OK if information is available,
1625 *                  BP_RESULT_BADBIOSTABLE otherwise.
1626 */
1627static enum bp_result construct_integrated_info(
1628	struct bios_parser *bp,
1629	struct integrated_info *info)
1630{
1631	enum bp_result result = BP_RESULT_BADBIOSTABLE;
1632
1633	struct atom_common_table_header *header;
1634	struct atom_data_revision revision;
1635	uint32_t i;
1636	uint32_t j;
1637
1638	if (info && DATA_TABLES(integratedsysteminfo)) {
1639		header = GET_IMAGE(struct atom_common_table_header,
1640					DATA_TABLES(integratedsysteminfo));
1641
1642		get_atom_data_table_revision(header, &revision);
1643
1644		/* Don't need to check major revision as they are all 1 */
1645		switch (revision.minor) {
1646		case 11:
1647		case 12:
1648			result = get_integrated_info_v11(bp, info);
1649			break;
1650		default:
1651			return result;
1652		}
1653	}
1654
1655	if (result != BP_RESULT_OK)
1656		return result;
1657
1658	/* Sort voltage table from low to high*/
1659	for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1660		for (j = i; j > 0; --j) {
1661			if (info->disp_clk_voltage[j].max_supported_clk <
1662				info->disp_clk_voltage[j-1].max_supported_clk
1663				) {
1664				/* swap j and j - 1*/
1665				swap(info->disp_clk_voltage[j - 1],
1666				     info->disp_clk_voltage[j]);
1667			}
1668		}
1669	}
1670
1671	return result;
1672}
1673
1674static struct integrated_info *bios_parser_create_integrated_info(
1675	struct dc_bios *dcb)
1676{
1677	struct bios_parser *bp = BP_FROM_DCB(dcb);
1678	struct integrated_info *info = NULL;
1679
1680	info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
1681
1682	if (info == NULL) {
1683		ASSERT_CRITICAL(0);
1684		return NULL;
1685	}
1686
1687	if (construct_integrated_info(bp, info) == BP_RESULT_OK)
1688		return info;
1689
1690	kfree(info);
1691
1692	return NULL;
1693}
1694
1695static enum bp_result update_slot_layout_info(
1696	struct dc_bios *dcb,
1697	unsigned int i,
1698	struct slot_layout_info *slot_layout_info)
1699{
1700	unsigned int record_offset;
1701	unsigned int j;
1702	struct atom_display_object_path_v2 *object;
1703	struct atom_bracket_layout_record *record;
1704	struct atom_common_record_header *record_header;
1705	enum bp_result result;
1706	struct bios_parser *bp;
1707	struct object_info_table *tbl;
1708	struct display_object_info_table_v1_4 *v1_4;
1709
1710	record = NULL;
1711	record_header = NULL;
1712	result = BP_RESULT_NORECORD;
1713
1714	bp = BP_FROM_DCB(dcb);
1715	tbl = &bp->object_info_tbl;
1716	v1_4 = tbl->v1_4;
1717
1718	object = &v1_4->display_path[i];
1719	record_offset = (unsigned int)
1720		(object->disp_recordoffset) +
1721		(unsigned int)(bp->object_info_tbl_offset);
1722
1723	for (;;) {
1724
1725		record_header = (struct atom_common_record_header *)
1726			GET_IMAGE(struct atom_common_record_header,
1727			record_offset);
1728		if (record_header == NULL) {
1729			result = BP_RESULT_BADBIOSTABLE;
1730			break;
1731		}
1732
1733		/* the end of the list */
1734		if (record_header->record_type == 0xff ||
1735			record_header->record_size == 0)	{
1736			break;
1737		}
1738
1739		if (record_header->record_type ==
1740			ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
1741			sizeof(struct atom_bracket_layout_record)
1742			<= record_header->record_size) {
1743			record = (struct atom_bracket_layout_record *)
1744				(record_header);
1745			result = BP_RESULT_OK;
1746			break;
1747		}
1748
1749		record_offset += record_header->record_size;
1750	}
1751
1752	/* return if the record not found */
1753	if (result != BP_RESULT_OK)
1754		return result;
1755
1756	/* get slot sizes */
1757	slot_layout_info->length = record->bracketlen;
1758	slot_layout_info->width = record->bracketwidth;
1759
1760	/* get info for each connector in the slot */
1761	slot_layout_info->num_of_connectors = record->conn_num;
1762	for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
1763		slot_layout_info->connectors[j].connector_type =
1764			(enum connector_layout_type)
1765			(record->conn_info[j].connector_type);
1766		switch (record->conn_info[j].connector_type) {
1767		case CONNECTOR_TYPE_DVI_D:
1768			slot_layout_info->connectors[j].connector_type =
1769				CONNECTOR_LAYOUT_TYPE_DVI_D;
1770			slot_layout_info->connectors[j].length =
1771				CONNECTOR_SIZE_DVI;
1772			break;
1773
1774		case CONNECTOR_TYPE_HDMI:
1775			slot_layout_info->connectors[j].connector_type =
1776				CONNECTOR_LAYOUT_TYPE_HDMI;
1777			slot_layout_info->connectors[j].length =
1778				CONNECTOR_SIZE_HDMI;
1779			break;
1780
1781		case CONNECTOR_TYPE_DISPLAY_PORT:
1782			slot_layout_info->connectors[j].connector_type =
1783				CONNECTOR_LAYOUT_TYPE_DP;
1784			slot_layout_info->connectors[j].length =
1785				CONNECTOR_SIZE_DP;
1786			break;
1787
1788		case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
1789			slot_layout_info->connectors[j].connector_type =
1790				CONNECTOR_LAYOUT_TYPE_MINI_DP;
1791			slot_layout_info->connectors[j].length =
1792				CONNECTOR_SIZE_MINI_DP;
1793			break;
1794
1795		default:
1796			slot_layout_info->connectors[j].connector_type =
1797				CONNECTOR_LAYOUT_TYPE_UNKNOWN;
1798			slot_layout_info->connectors[j].length =
1799				CONNECTOR_SIZE_UNKNOWN;
1800		}
1801
1802		slot_layout_info->connectors[j].position =
1803			record->conn_info[j].position;
1804		slot_layout_info->connectors[j].connector_id =
1805			object_id_from_bios_object_id(
1806				record->conn_info[j].connectorobjid);
1807	}
1808	return result;
1809}
1810
1811
1812static enum bp_result get_bracket_layout_record(
1813	struct dc_bios *dcb,
1814	unsigned int bracket_layout_id,
1815	struct slot_layout_info *slot_layout_info)
1816{
1817	unsigned int i;
1818	struct bios_parser *bp = BP_FROM_DCB(dcb);
1819	enum bp_result result;
1820	struct object_info_table *tbl;
1821	struct display_object_info_table_v1_4 *v1_4;
1822
1823	if (slot_layout_info == NULL) {
1824		DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
1825		return BP_RESULT_BADINPUT;
1826	}
1827	tbl = &bp->object_info_tbl;
1828	v1_4 = tbl->v1_4;
1829
1830	result = BP_RESULT_NORECORD;
1831	for (i = 0; i < v1_4->number_of_path; ++i)	{
1832
1833		if (bracket_layout_id ==
1834			v1_4->display_path[i].display_objid) {
1835			result = update_slot_layout_info(dcb, i,
1836				slot_layout_info);
1837			break;
1838		}
1839	}
1840	return result;
1841}
1842
1843static enum bp_result bios_get_board_layout_info(
1844	struct dc_bios *dcb,
1845	struct board_layout_info *board_layout_info)
1846{
1847	unsigned int i;
1848	enum bp_result record_result;
1849
1850	const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
1851		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
1852		GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
1853		0, 0
1854	};
1855
1856	if (board_layout_info == NULL) {
1857		DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
1858		return BP_RESULT_BADINPUT;
1859	}
1860
1861	board_layout_info->num_of_slots = 0;
1862
1863	for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
1864		record_result = get_bracket_layout_record(dcb,
1865			slot_index_to_vbios_id[i],
1866			&board_layout_info->slots[i]);
1867
1868		if (record_result == BP_RESULT_NORECORD && i > 0)
1869			break; /* no more slots present in bios */
1870		else if (record_result != BP_RESULT_OK)
1871			return record_result;  /* fail */
1872
1873		++board_layout_info->num_of_slots;
1874	}
1875
1876	/* all data is valid */
1877	board_layout_info->is_number_of_slots_valid = 1;
1878	board_layout_info->is_slots_size_valid = 1;
1879	board_layout_info->is_connector_offsets_valid = 1;
1880	board_layout_info->is_connector_lengths_valid = 1;
1881
1882	return BP_RESULT_OK;
1883}
1884
1885static const struct dc_vbios_funcs vbios_funcs = {
1886	.get_connectors_number = bios_parser_get_connectors_number,
1887
1888	.get_connector_id = bios_parser_get_connector_id,
1889
1890	.get_src_obj = bios_parser_get_src_obj,
1891
1892	.get_i2c_info = bios_parser_get_i2c_info,
1893
1894	.get_hpd_info = bios_parser_get_hpd_info,
1895
1896	.get_device_tag = bios_parser_get_device_tag,
1897
1898	.get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
1899
1900	.get_ss_entry_number = bios_parser_get_ss_entry_number,
1901
1902	.get_embedded_panel_info = bios_parser_get_embedded_panel_info,
1903
1904	.get_gpio_pin_info = bios_parser_get_gpio_pin_info,
1905
1906	.get_encoder_cap_info = bios_parser_get_encoder_cap_info,
1907
1908	.is_device_id_supported = bios_parser_is_device_id_supported,
1909
1910	.is_accelerated_mode = bios_parser_is_accelerated_mode,
1911
1912	.set_scratch_critical_state = bios_parser_set_scratch_critical_state,
1913
1914
1915/*	 COMMANDS */
1916	.encoder_control = bios_parser_encoder_control,
1917
1918	.transmitter_control = bios_parser_transmitter_control,
1919
1920	.enable_crtc = bios_parser_enable_crtc,
1921
1922	.set_pixel_clock = bios_parser_set_pixel_clock,
1923
1924	.set_dce_clock = bios_parser_set_dce_clock,
1925
1926	.program_crtc_timing = bios_parser_program_crtc_timing,
1927
1928	.enable_disp_power_gating = bios_parser_enable_disp_power_gating,
1929
1930	.bios_parser_destroy = firmware_parser_destroy,
1931
1932	.get_board_layout_info = bios_get_board_layout_info,
1933};
1934
1935static bool bios_parser2_construct(
1936	struct bios_parser *bp,
1937	struct bp_init_data *init,
1938	enum dce_version dce_version)
1939{
1940	uint16_t *rom_header_offset = NULL;
1941	struct atom_rom_header_v2_2 *rom_header = NULL;
1942	struct display_object_info_table_v1_4 *object_info_tbl;
1943	struct atom_data_revision tbl_rev = {0};
1944
1945	if (!init)
1946		return false;
1947
1948	if (!init->bios)
1949		return false;
1950
1951	bp->base.funcs = &vbios_funcs;
1952	bp->base.bios = init->bios;
1953	bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
1954
1955	bp->base.ctx = init->ctx;
1956
1957	bp->base.bios_local_image = NULL;
1958
1959	rom_header_offset =
1960			GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
1961
1962	if (!rom_header_offset)
1963		return false;
1964
1965	rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
1966
1967	if (!rom_header)
1968		return false;
1969
1970	get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
1971	if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
1972		return false;
1973
1974	bp->master_data_tbl =
1975		GET_IMAGE(struct atom_master_data_table_v2_1,
1976				rom_header->masterdatatable_offset);
1977
1978	if (!bp->master_data_tbl)
1979		return false;
1980
1981	bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
1982
1983	if (!bp->object_info_tbl_offset)
1984		return false;
1985
1986	object_info_tbl =
1987			GET_IMAGE(struct display_object_info_table_v1_4,
1988						bp->object_info_tbl_offset);
1989
1990	if (!object_info_tbl)
1991		return false;
1992
1993	get_atom_data_table_revision(&object_info_tbl->table_header,
1994		&bp->object_info_tbl.revision);
1995
1996	if (bp->object_info_tbl.revision.major == 1
1997		&& bp->object_info_tbl.revision.minor >= 4) {
1998		struct display_object_info_table_v1_4 *tbl_v1_4;
1999
2000		tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
2001			bp->object_info_tbl_offset);
2002		if (!tbl_v1_4)
2003			return false;
2004
2005		bp->object_info_tbl.v1_4 = tbl_v1_4;
2006	} else
2007		return false;
2008
2009	dal_firmware_parser_init_cmd_tbl(bp);
2010	dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
2011
2012	bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
2013	bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
2014
2015	return true;
2016}
2017
2018struct dc_bios *firmware_parser_create(
2019	struct bp_init_data *init,
2020	enum dce_version dce_version)
2021{
2022	struct bios_parser *bp = NULL;
2023
2024	bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2025	if (!bp)
2026		return NULL;
2027
2028	if (bios_parser2_construct(bp, init, dce_version))
2029		return &bp->base;
2030
2031	kfree(bp);
2032	return NULL;
2033}
2034
2035
2036