drm/amd/display: cleanup of construct and destruct funcs
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / display / dc / bios / bios_parser2.c
1 /*
2  * Copyright 2012-15 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25
26 #include <linux/slab.h>
27
28 #include "dm_services.h"
29
30 #include "ObjectID.h"
31 #include "atomfirmware.h"
32
33 #include "dc_bios_types.h"
34 #include "include/grph_object_ctrl_defs.h"
35 #include "include/bios_parser_interface.h"
36 #include "include/i2caux_interface.h"
37 #include "include/logger_interface.h"
38
39 #include "command_table2.h"
40
41 #include "bios_parser_helper.h"
42 #include "command_table_helper2.h"
43 #include "bios_parser2.h"
44 #include "bios_parser_types_internal2.h"
45 #include "bios_parser_interface.h"
46
47 #include "bios_parser_common.h"
48
49 /* Temporarily add in defines until ObjectID.h patch is updated in a few days */
50 #ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT
51 #define GENERIC_OBJECT_ID_BRACKET_LAYOUT          0x05
52 #endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */
53
54 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1
55 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1   \
56         (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
57         GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\
58         GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
59 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */
60
61 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2
62 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2   \
63         (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
64         GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\
65         GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
66 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */
67
68 #define DC_LOGGER \
69         bp->base.ctx->logger
70
71 #define LAST_RECORD_TYPE 0xff
72 #define SMU9_SYSPLL0_ID  0
73
74 struct i2c_id_config_access {
75         uint8_t bfI2C_LineMux:4;
76         uint8_t bfHW_EngineID:3;
77         uint8_t bfHW_Capable:1;
78         uint8_t ucAccess;
79 };
80
81 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
82         struct atom_i2c_record *record,
83         struct graphics_object_i2c_info *info);
84
85 static enum bp_result bios_parser_get_firmware_info(
86         struct dc_bios *dcb,
87         struct dc_firmware_info *info);
88
89 static enum bp_result bios_parser_get_encoder_cap_info(
90         struct dc_bios *dcb,
91         struct graphics_object_id object_id,
92         struct bp_encoder_cap_info *info);
93
94 static enum bp_result get_firmware_info_v3_1(
95         struct bios_parser *bp,
96         struct dc_firmware_info *info);
97
98 static enum bp_result get_firmware_info_v3_2(
99         struct bios_parser *bp,
100         struct dc_firmware_info *info);
101
102 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
103                 struct atom_display_object_path_v2 *object);
104
105 static struct atom_encoder_caps_record *get_encoder_cap_record(
106         struct bios_parser *bp,
107         struct atom_display_object_path_v2 *object);
108
109 #define BIOS_IMAGE_SIZE_OFFSET 2
110 #define BIOS_IMAGE_SIZE_UNIT 512
111
112 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
113
114 static void bios_parser2_destruct(struct bios_parser *bp)
115 {
116         kfree(bp->base.bios_local_image);
117         kfree(bp->base.integrated_info);
118 }
119
120 static void firmware_parser_destroy(struct dc_bios **dcb)
121 {
122         struct bios_parser *bp = BP_FROM_DCB(*dcb);
123
124         if (!bp) {
125                 BREAK_TO_DEBUGGER();
126                 return;
127         }
128
129         bios_parser2_destruct(bp);
130
131         kfree(bp);
132         *dcb = NULL;
133 }
134
135 static void get_atom_data_table_revision(
136         struct atom_common_table_header *atom_data_tbl,
137         struct atom_data_revision *tbl_revision)
138 {
139         if (!tbl_revision)
140                 return;
141
142         /* initialize the revision to 0 which is invalid revision */
143         tbl_revision->major = 0;
144         tbl_revision->minor = 0;
145
146         if (!atom_data_tbl)
147                 return;
148
149         tbl_revision->major =
150                         (uint32_t) atom_data_tbl->format_revision & 0x3f;
151         tbl_revision->minor =
152                         (uint32_t) atom_data_tbl->content_revision & 0x3f;
153 }
154
155 /* BIOS oject table displaypath is per connector.
156  * There is extra path not for connector. BIOS fill its encoderid as 0
157  */
158 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
159 {
160         struct bios_parser *bp = BP_FROM_DCB(dcb);
161         unsigned int count = 0;
162         unsigned int i;
163
164         for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
165                 if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
166                         count++;
167         }
168         return count;
169 }
170
171 static struct graphics_object_id bios_parser_get_connector_id(
172         struct dc_bios *dcb,
173         uint8_t i)
174 {
175         struct bios_parser *bp = BP_FROM_DCB(dcb);
176         struct graphics_object_id object_id = dal_graphics_object_id_init(
177                 0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
178         struct object_info_table *tbl = &bp->object_info_tbl;
179         struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
180
181         if (v1_4->number_of_path > i) {
182                 /* If display_objid is generic object id,  the encoderObj
183                  * /extencoderobjId should be 0
184                  */
185                 if (v1_4->display_path[i].encoderobjid != 0 &&
186                                 v1_4->display_path[i].display_objid != 0)
187                         object_id = object_id_from_bios_object_id(
188                                         v1_4->display_path[i].display_objid);
189         }
190
191         return object_id;
192 }
193
194 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
195         struct graphics_object_id object_id, uint32_t index,
196         struct graphics_object_id *src_object_id)
197 {
198         struct bios_parser *bp = BP_FROM_DCB(dcb);
199         unsigned int i;
200         enum bp_result  bp_result = BP_RESULT_BADINPUT;
201         struct graphics_object_id obj_id = {0};
202         struct object_info_table *tbl = &bp->object_info_tbl;
203
204         if (!src_object_id)
205                 return bp_result;
206
207         switch (object_id.type) {
208         /* Encoder's Source is GPU.  BIOS does not provide GPU, since all
209          * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
210          */
211         case OBJECT_TYPE_ENCODER:
212                 /* TODO: since num of src must be less than 2.
213                  * If found in for loop, should break.
214                  * DAL2 implementation may be changed too
215                  */
216                 for (i = 0; i < tbl->v1_4->number_of_path; i++) {
217                         obj_id = object_id_from_bios_object_id(
218                         tbl->v1_4->display_path[i].encoderobjid);
219                         if (object_id.type == obj_id.type &&
220                                         object_id.id == obj_id.id &&
221                                                 object_id.enum_id ==
222                                                         obj_id.enum_id) {
223                                 *src_object_id =
224                                 object_id_from_bios_object_id(0x1100);
225                                 /* break; */
226                         }
227                 }
228                 bp_result = BP_RESULT_OK;
229                 break;
230         case OBJECT_TYPE_CONNECTOR:
231                 for (i = 0; i < tbl->v1_4->number_of_path; i++) {
232                         obj_id = object_id_from_bios_object_id(
233                                 tbl->v1_4->display_path[i].display_objid);
234
235                         if (object_id.type == obj_id.type &&
236                                 object_id.id == obj_id.id &&
237                                         object_id.enum_id == obj_id.enum_id) {
238                                 *src_object_id =
239                                 object_id_from_bios_object_id(
240                                 tbl->v1_4->display_path[i].encoderobjid);
241                                 /* break; */
242                         }
243                 }
244                 bp_result = BP_RESULT_OK;
245                 break;
246         default:
247                 break;
248         }
249
250         return bp_result;
251 }
252
253 /* from graphics_object_id, find display path which includes the object_id */
254 static struct atom_display_object_path_v2 *get_bios_object(
255                 struct bios_parser *bp,
256                 struct graphics_object_id id)
257 {
258         unsigned int i;
259         struct graphics_object_id obj_id = {0};
260
261         switch (id.type) {
262         case OBJECT_TYPE_ENCODER:
263                 for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
264                         obj_id = object_id_from_bios_object_id(
265                                         bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
266                         if (id.type == obj_id.type && id.id == obj_id.id
267                                         && id.enum_id == obj_id.enum_id)
268                                 return &bp->object_info_tbl.v1_4->display_path[i];
269                 }
270                 /* fall through */
271         case OBJECT_TYPE_CONNECTOR:
272         case OBJECT_TYPE_GENERIC:
273                 /* Both Generic and Connector Object ID
274                  * will be stored on display_objid
275                  */
276                 for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
277                         obj_id = object_id_from_bios_object_id(
278                                         bp->object_info_tbl.v1_4->display_path[i].display_objid);
279                         if (id.type == obj_id.type && id.id == obj_id.id
280                                         && id.enum_id == obj_id.enum_id)
281                                 return &bp->object_info_tbl.v1_4->display_path[i];
282                 }
283                 /* fall through */
284         default:
285                 return NULL;
286         }
287 }
288
289 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
290         struct graphics_object_id id,
291         struct graphics_object_i2c_info *info)
292 {
293         uint32_t offset;
294         struct atom_display_object_path_v2 *object;
295         struct atom_common_record_header *header;
296         struct atom_i2c_record *record;
297         struct 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
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
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
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  */
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
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
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
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
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  */
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                         return get_ss_info_v4_2(bp, signal, index, ss_info);
838                 default:
839                         break;
840                 }
841                 break;
842         default:
843                 break;
844         }
845         /* there can not be more then one entry for SS Info table */
846         return result;
847 }
848
849 static enum bp_result get_embedded_panel_info_v2_1(
850                 struct bios_parser *bp,
851                 struct embedded_panel_info *info)
852 {
853         struct lcd_info_v2_1 *lvds;
854
855         if (!info)
856                 return BP_RESULT_BADINPUT;
857
858         if (!DATA_TABLES(lcd_info))
859                 return BP_RESULT_UNSUPPORTED;
860
861         lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
862
863         if (!lvds)
864                 return BP_RESULT_BADBIOSTABLE;
865
866         /* TODO: previous vv1_3, should v2_1 */
867         if (!((lvds->table_header.format_revision == 2)
868                         && (lvds->table_header.content_revision >= 1)))
869                 return BP_RESULT_UNSUPPORTED;
870
871         memset(info, 0, sizeof(struct embedded_panel_info));
872
873         /* We need to convert from 10KHz units into KHz units */
874         info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
875         /* usHActive does not include borders, according to VBIOS team */
876         info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
877         /* usHBlanking_Time includes borders, so we should really be
878          * subtractingborders duing this translation, but LVDS generally
879          * doesn't have borders, so we should be okay leaving this as is for
880          * now.  May need to revisit if we ever have LVDS with borders
881          */
882         info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
883         /* usVActive does not include borders, according to VBIOS team*/
884         info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
885         /* usVBlanking_Time includes borders, so we should really be
886          * subtracting borders duing this translation, but LVDS generally
887          * doesn't have borders, so we should be okay leaving this as is for
888          * now. May need to revisit if we ever have LVDS with borders
889          */
890         info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
891         info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
892         info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
893         info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
894         info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
895         info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
896         info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
897
898         /* not provided by VBIOS */
899         info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
900
901         info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
902                         & ATOM_HSYNC_POLARITY);
903         info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
904                         & ATOM_VSYNC_POLARITY);
905
906         /* not provided by VBIOS */
907         info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
908
909         info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
910                         & ATOM_H_REPLICATIONBY2);
911         info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
912                         & ATOM_V_REPLICATIONBY2);
913         info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
914                         & ATOM_COMPOSITESYNC);
915         info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
916
917         /* not provided by VBIOS*/
918         info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
919         /* not provided by VBIOS*/
920         info->ss_id = 0;
921
922         info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
923
924         return BP_RESULT_OK;
925 }
926
927 static enum bp_result bios_parser_get_embedded_panel_info(
928                 struct dc_bios *dcb,
929                 struct embedded_panel_info *info)
930 {
931         struct bios_parser
932         *bp = BP_FROM_DCB(dcb);
933         struct atom_common_table_header *header;
934         struct atom_data_revision tbl_revision;
935
936         if (!DATA_TABLES(lcd_info))
937                 return BP_RESULT_FAILURE;
938
939         header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
940
941         if (!header)
942                 return BP_RESULT_BADBIOSTABLE;
943
944         get_atom_data_table_revision(header, &tbl_revision);
945
946         switch (tbl_revision.major) {
947         case 2:
948                 switch (tbl_revision.minor) {
949                 case 1:
950                         return get_embedded_panel_info_v2_1(bp, info);
951                 default:
952                         break;
953                 }
954         default:
955                 break;
956         }
957
958         return BP_RESULT_FAILURE;
959 }
960
961 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
962 {
963         enum dal_device_type device_type = device_id.device_type;
964         uint32_t enum_id = device_id.enum_id;
965
966         switch (device_type) {
967         case DEVICE_TYPE_LCD:
968                 switch (enum_id) {
969                 case 1:
970                         return ATOM_DISPLAY_LCD1_SUPPORT;
971                 default:
972                         break;
973                 }
974                 break;
975         case DEVICE_TYPE_DFP:
976                 switch (enum_id) {
977                 case 1:
978                         return ATOM_DISPLAY_DFP1_SUPPORT;
979                 case 2:
980                         return ATOM_DISPLAY_DFP2_SUPPORT;
981                 case 3:
982                         return ATOM_DISPLAY_DFP3_SUPPORT;
983                 case 4:
984                         return ATOM_DISPLAY_DFP4_SUPPORT;
985                 case 5:
986                         return ATOM_DISPLAY_DFP5_SUPPORT;
987                 case 6:
988                         return ATOM_DISPLAY_DFP6_SUPPORT;
989                 default:
990                         break;
991                 }
992                 break;
993         default:
994                 break;
995         };
996
997         /* Unidentified device ID, return empty support mask. */
998         return 0;
999 }
1000
1001 static bool bios_parser_is_device_id_supported(
1002         struct dc_bios *dcb,
1003         struct device_id id)
1004 {
1005         struct bios_parser *bp = BP_FROM_DCB(dcb);
1006
1007         uint32_t mask = get_support_mask_for_device_id(id);
1008
1009         return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1010                                                                 mask) != 0;
1011 }
1012
1013 static uint32_t bios_parser_get_ss_entry_number(
1014         struct dc_bios *dcb,
1015         enum as_signal_type signal)
1016 {
1017         /* TODO: DAL2 atomfirmware implementation does not need this.
1018          * why DAL3 need this?
1019          */
1020         return 1;
1021 }
1022
1023 static enum bp_result bios_parser_transmitter_control(
1024         struct dc_bios *dcb,
1025         struct bp_transmitter_control *cntl)
1026 {
1027         struct bios_parser *bp = BP_FROM_DCB(dcb);
1028
1029         if (!bp->cmd_tbl.transmitter_control)
1030                 return BP_RESULT_FAILURE;
1031
1032         return bp->cmd_tbl.transmitter_control(bp, cntl);
1033 }
1034
1035 static enum bp_result bios_parser_encoder_control(
1036         struct dc_bios *dcb,
1037         struct bp_encoder_control *cntl)
1038 {
1039         struct bios_parser *bp = BP_FROM_DCB(dcb);
1040
1041         if (!bp->cmd_tbl.dig_encoder_control)
1042                 return BP_RESULT_FAILURE;
1043
1044         return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1045 }
1046
1047 static enum bp_result bios_parser_set_pixel_clock(
1048         struct dc_bios *dcb,
1049         struct bp_pixel_clock_parameters *bp_params)
1050 {
1051         struct bios_parser *bp = BP_FROM_DCB(dcb);
1052
1053         if (!bp->cmd_tbl.set_pixel_clock)
1054                 return BP_RESULT_FAILURE;
1055
1056         return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1057 }
1058
1059 static enum bp_result bios_parser_set_dce_clock(
1060         struct dc_bios *dcb,
1061         struct bp_set_dce_clock_parameters *bp_params)
1062 {
1063         struct bios_parser *bp = BP_FROM_DCB(dcb);
1064
1065         if (!bp->cmd_tbl.set_dce_clock)
1066                 return BP_RESULT_FAILURE;
1067
1068         return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1069 }
1070
1071 static enum bp_result bios_parser_program_crtc_timing(
1072         struct dc_bios *dcb,
1073         struct bp_hw_crtc_timing_parameters *bp_params)
1074 {
1075         struct bios_parser *bp = BP_FROM_DCB(dcb);
1076
1077         if (!bp->cmd_tbl.set_crtc_timing)
1078                 return BP_RESULT_FAILURE;
1079
1080         return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1081 }
1082
1083 static enum bp_result bios_parser_enable_crtc(
1084         struct dc_bios *dcb,
1085         enum controller_id id,
1086         bool enable)
1087 {
1088         struct bios_parser *bp = BP_FROM_DCB(dcb);
1089
1090         if (!bp->cmd_tbl.enable_crtc)
1091                 return BP_RESULT_FAILURE;
1092
1093         return bp->cmd_tbl.enable_crtc(bp, id, enable);
1094 }
1095
1096 static enum bp_result bios_parser_enable_disp_power_gating(
1097         struct dc_bios *dcb,
1098         enum controller_id controller_id,
1099         enum bp_pipe_control_action action)
1100 {
1101         struct bios_parser *bp = BP_FROM_DCB(dcb);
1102
1103         if (!bp->cmd_tbl.enable_disp_power_gating)
1104                 return BP_RESULT_FAILURE;
1105
1106         return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1107                 action);
1108 }
1109
1110 static bool bios_parser_is_accelerated_mode(
1111         struct dc_bios *dcb)
1112 {
1113         return bios_is_accelerated_mode(dcb);
1114 }
1115
1116 /**
1117  * bios_parser_set_scratch_critical_state
1118  *
1119  * @brief
1120  *  update critical state bit in VBIOS scratch register
1121  *
1122  * @param
1123  *  bool - to set or reset state
1124  */
1125 static void bios_parser_set_scratch_critical_state(
1126         struct dc_bios *dcb,
1127         bool state)
1128 {
1129         bios_set_scratch_critical_state(dcb, state);
1130 }
1131
1132 static enum bp_result bios_parser_get_firmware_info(
1133         struct dc_bios *dcb,
1134         struct dc_firmware_info *info)
1135 {
1136         struct bios_parser *bp = BP_FROM_DCB(dcb);
1137         enum bp_result result = BP_RESULT_BADBIOSTABLE;
1138         struct atom_common_table_header *header;
1139
1140         struct atom_data_revision revision;
1141
1142         if (info && DATA_TABLES(firmwareinfo)) {
1143                 header = GET_IMAGE(struct atom_common_table_header,
1144                                 DATA_TABLES(firmwareinfo));
1145                 get_atom_data_table_revision(header, &revision);
1146                 switch (revision.major) {
1147                 case 3:
1148                         switch (revision.minor) {
1149                         case 1:
1150                                 result = get_firmware_info_v3_1(bp, info);
1151                                 break;
1152                         case 2:
1153                                 result = get_firmware_info_v3_2(bp, info);
1154                                 break;
1155                         case 3:
1156                                 result = get_firmware_info_v3_2(bp, info);
1157                                 break;
1158                         default:
1159                                 break;
1160                         }
1161                         break;
1162                 default:
1163                         break;
1164                 }
1165         }
1166
1167         return result;
1168 }
1169
1170 static enum bp_result get_firmware_info_v3_1(
1171         struct bios_parser *bp,
1172         struct dc_firmware_info *info)
1173 {
1174         struct atom_firmware_info_v3_1 *firmware_info;
1175         struct atom_display_controller_info_v4_1 *dce_info = NULL;
1176
1177         if (!info)
1178                 return BP_RESULT_BADINPUT;
1179
1180         firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1181                         DATA_TABLES(firmwareinfo));
1182
1183         dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1184                         DATA_TABLES(dce_info));
1185
1186         if (!firmware_info || !dce_info)
1187                 return BP_RESULT_BADBIOSTABLE;
1188
1189         memset(info, 0, sizeof(*info));
1190
1191         /* Pixel clock pll information. */
1192          /* We need to convert from 10KHz units into KHz units */
1193         info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1194         info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1195
1196          /* 27MHz for Vega10: */
1197         info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1198
1199         /* Hardcode frequency if BIOS gives no DCE Ref Clk */
1200         if (info->pll_info.crystal_frequency == 0)
1201                 info->pll_info.crystal_frequency = 27000;
1202         /*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1203         info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1204         info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1205
1206         /* Get GPU PLL VCO Clock */
1207
1208         if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1209                 /* VBIOS gives in 10KHz */
1210                 info->smu_gpu_pll_output_freq =
1211                                 bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1212         }
1213
1214         info->oem_i2c_present = false;
1215
1216         return BP_RESULT_OK;
1217 }
1218
1219 static enum bp_result get_firmware_info_v3_2(
1220         struct bios_parser *bp,
1221         struct dc_firmware_info *info)
1222 {
1223         struct atom_firmware_info_v3_2 *firmware_info;
1224         struct atom_display_controller_info_v4_1 *dce_info = NULL;
1225         struct atom_common_table_header *header;
1226         struct atom_data_revision revision;
1227         struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1228         struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1229
1230         if (!info)
1231                 return BP_RESULT_BADINPUT;
1232
1233         firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1234                         DATA_TABLES(firmwareinfo));
1235
1236         dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1237                         DATA_TABLES(dce_info));
1238
1239         if (!firmware_info || !dce_info)
1240                 return BP_RESULT_BADBIOSTABLE;
1241
1242         memset(info, 0, sizeof(*info));
1243
1244         header = GET_IMAGE(struct atom_common_table_header,
1245                                         DATA_TABLES(smu_info));
1246         get_atom_data_table_revision(header, &revision);
1247
1248         if (revision.minor == 2) {
1249                 /* Vega12 */
1250                 smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1251                                                         DATA_TABLES(smu_info));
1252
1253                 if (!smu_info_v3_2)
1254                         return BP_RESULT_BADBIOSTABLE;
1255
1256                 info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1257         } else if (revision.minor == 3) {
1258                 /* Vega20 */
1259                 smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1260                                                         DATA_TABLES(smu_info));
1261
1262                 if (!smu_info_v3_3)
1263                         return BP_RESULT_BADBIOSTABLE;
1264
1265                 info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1266         }
1267
1268          // We need to convert from 10KHz units into KHz units.
1269         info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1270
1271          /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1272         info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1273         /* Hardcode frequency if BIOS gives no DCE Ref Clk */
1274         if (info->pll_info.crystal_frequency == 0) {
1275                 if (revision.minor == 2)
1276                         info->pll_info.crystal_frequency = 27000;
1277                 else if (revision.minor == 3)
1278                         info->pll_info.crystal_frequency = 100000;
1279         }
1280         /*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1281         info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1282         info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1283
1284         /* Get GPU PLL VCO Clock */
1285         if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1286                 if (revision.minor == 2)
1287                         info->smu_gpu_pll_output_freq =
1288                                         bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1289                 else if (revision.minor == 3)
1290                         info->smu_gpu_pll_output_freq =
1291                                         bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1292         }
1293
1294         if (firmware_info->board_i2c_feature_id == 0x2) {
1295                 info->oem_i2c_present = true;
1296                 info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1297         } else {
1298                 info->oem_i2c_present = false;
1299         }
1300
1301         return BP_RESULT_OK;
1302 }
1303
1304 static enum bp_result bios_parser_get_encoder_cap_info(
1305         struct dc_bios *dcb,
1306         struct graphics_object_id object_id,
1307         struct bp_encoder_cap_info *info)
1308 {
1309         struct bios_parser *bp = BP_FROM_DCB(dcb);
1310         struct atom_display_object_path_v2 *object;
1311         struct atom_encoder_caps_record *record = NULL;
1312
1313         if (!info)
1314                 return BP_RESULT_BADINPUT;
1315
1316         object = get_bios_object(bp, object_id);
1317
1318         if (!object)
1319                 return BP_RESULT_BADINPUT;
1320
1321         record = get_encoder_cap_record(bp, object);
1322         if (!record)
1323                 return BP_RESULT_NORECORD;
1324
1325         info->DP_HBR2_CAP = (record->encodercaps &
1326                         ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1327         info->DP_HBR2_EN = (record->encodercaps &
1328                         ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1329         info->DP_HBR3_EN = (record->encodercaps &
1330                         ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1331         info->HDMI_6GB_EN = (record->encodercaps &
1332                         ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1333         info->DP_IS_USB_C = (record->encodercaps &
1334                         ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
1335
1336         return BP_RESULT_OK;
1337 }
1338
1339
1340 static struct atom_encoder_caps_record *get_encoder_cap_record(
1341         struct bios_parser *bp,
1342         struct atom_display_object_path_v2 *object)
1343 {
1344         struct atom_common_record_header *header;
1345         uint32_t offset;
1346
1347         if (!object) {
1348                 BREAK_TO_DEBUGGER(); /* Invalid object */
1349                 return NULL;
1350         }
1351
1352         offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1353
1354         for (;;) {
1355                 header = GET_IMAGE(struct atom_common_record_header, offset);
1356
1357                 if (!header)
1358                         return NULL;
1359
1360                 offset += header->record_size;
1361
1362                 if (header->record_type == LAST_RECORD_TYPE ||
1363                                 !header->record_size)
1364                         break;
1365
1366                 if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1367                         continue;
1368
1369                 if (sizeof(struct atom_encoder_caps_record) <=
1370                                                         header->record_size)
1371                         return (struct atom_encoder_caps_record *)header;
1372         }
1373
1374         return NULL;
1375 }
1376
1377 /*
1378  * get_integrated_info_v11
1379  *
1380  * @brief
1381  * Get V8 integrated BIOS information
1382  *
1383  * @param
1384  * bios_parser *bp - [in]BIOS parser handler to get master data table
1385  * integrated_info *info - [out] store and output integrated info
1386  *
1387  * @return
1388  * enum bp_result - BP_RESULT_OK if information is available,
1389  *                  BP_RESULT_BADBIOSTABLE otherwise.
1390  */
1391 static enum bp_result get_integrated_info_v11(
1392         struct bios_parser *bp,
1393         struct integrated_info *info)
1394 {
1395         struct atom_integrated_system_info_v1_11 *info_v11;
1396         uint32_t i;
1397
1398         info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1399                                         DATA_TABLES(integratedsysteminfo));
1400
1401         if (info_v11 == NULL)
1402                 return BP_RESULT_BADBIOSTABLE;
1403
1404         info->gpu_cap_info =
1405         le32_to_cpu(info_v11->gpucapinfo);
1406         /*
1407         * system_config: Bit[0] = 0 : PCIE power gating disabled
1408         *                       = 1 : PCIE power gating enabled
1409         *                Bit[1] = 0 : DDR-PLL shut down disabled
1410         *                       = 1 : DDR-PLL shut down enabled
1411         *                Bit[2] = 0 : DDR-PLL power down disabled
1412         *                       = 1 : DDR-PLL power down enabled
1413         */
1414         info->system_config = le32_to_cpu(info_v11->system_config);
1415         info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1416         info->memory_type = info_v11->memorytype;
1417         info->ma_channel_number = info_v11->umachannelnumber;
1418         info->lvds_ss_percentage =
1419         le16_to_cpu(info_v11->lvds_ss_percentage);
1420         info->dp_ss_control =
1421         le16_to_cpu(info_v11->reserved1);
1422         info->lvds_sspread_rate_in_10hz =
1423         le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1424         info->hdmi_ss_percentage =
1425         le16_to_cpu(info_v11->hdmi_ss_percentage);
1426         info->hdmi_sspread_rate_in_10hz =
1427         le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1428         info->dvi_ss_percentage =
1429         le16_to_cpu(info_v11->dvi_ss_percentage);
1430         info->dvi_sspread_rate_in_10_hz =
1431         le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1432         info->lvds_misc = info_v11->lvds_misc;
1433         for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1434                 info->ext_disp_conn_info.gu_id[i] =
1435                                 info_v11->extdispconninfo.guid[i];
1436         }
1437
1438         for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1439                 info->ext_disp_conn_info.path[i].device_connector_id =
1440                 object_id_from_bios_object_id(
1441                 le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1442
1443                 info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1444                 object_id_from_bios_object_id(
1445                         le16_to_cpu(
1446                         info_v11->extdispconninfo.path[i].ext_encoder_objid));
1447
1448                 info->ext_disp_conn_info.path[i].device_tag =
1449                         le16_to_cpu(
1450                                 info_v11->extdispconninfo.path[i].device_tag);
1451                 info->ext_disp_conn_info.path[i].device_acpi_enum =
1452                 le16_to_cpu(
1453                         info_v11->extdispconninfo.path[i].device_acpi_enum);
1454                 info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1455                         info_v11->extdispconninfo.path[i].auxddclut_index;
1456                 info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1457                         info_v11->extdispconninfo.path[i].hpdlut_index;
1458                 info->ext_disp_conn_info.path[i].channel_mapping.raw =
1459                         info_v11->extdispconninfo.path[i].channelmapping;
1460                 info->ext_disp_conn_info.path[i].caps =
1461                                 le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1462         }
1463         info->ext_disp_conn_info.checksum =
1464         info_v11->extdispconninfo.checksum;
1465
1466         info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1467         info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1468         for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1469                 info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1470                                 info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1471                 info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1472                                 info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1473         }
1474         info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1475         for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1476                 info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1477                                 info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1478                 info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1479                                 info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1480         }
1481
1482         info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1483         info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1484         for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1485                 info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1486                                 info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1487                 info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1488                                 info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1489         }
1490         info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1491         for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1492                 info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1493                                 info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1494                 info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1495                                 info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1496         }
1497
1498         info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1499         info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1500         for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1501                 info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1502                                 info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1503                 info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1504                                 info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1505         }
1506         info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1507         for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1508                 info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1509                                 info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1510                 info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1511                                 info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1512         }
1513
1514         info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1515         info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1516         for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1517                 info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1518                                 info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1519                 info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1520                                 info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1521         }
1522         info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1523         for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1524                 info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1525                                 info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1526                 info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1527                                 info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1528         }
1529
1530
1531         /** TODO - review **/
1532         #if 0
1533         info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1534                                                                         * 10;
1535         info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1536         info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1537
1538         for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1539                 /* Convert [10KHz] into [KHz] */
1540                 info->disp_clk_voltage[i].max_supported_clk =
1541                 le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1542                         ulMaximumSupportedCLK) * 10;
1543                 info->disp_clk_voltage[i].voltage_index =
1544                 le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1545         }
1546
1547         info->boot_up_req_display_vector =
1548                         le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1549         info->boot_up_nb_voltage =
1550                         le16_to_cpu(info_v11->usBootUpNBVoltage);
1551         info->ext_disp_conn_info_offset =
1552                         le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1553         info->gmc_restore_reset_time =
1554                         le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1555         info->minimum_n_clk =
1556                         le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1557         for (i = 1; i < 4; ++i)
1558                 info->minimum_n_clk =
1559                                 info->minimum_n_clk <
1560                                 le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1561                                 info->minimum_n_clk : le32_to_cpu(
1562                                         info_v11->ulNbpStateNClkFreq[i]);
1563
1564         info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1565         info->ddr_dll_power_up_time =
1566             le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1567         info->ddr_pll_power_up_time =
1568                 le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1569         info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1570         info->max_lvds_pclk_freq_in_single_link =
1571                 le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1572         info->max_lvds_pclk_freq_in_single_link =
1573                 le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1574         info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1575                 info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1576         info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1577                 info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1578         info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1579                 info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1580         info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1581                 info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1582         info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1583                 info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1584         info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1585                 info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1586         info->lvds_off_to_on_delay_in_4ms =
1587                 info_v11->ucLVDSOffToOnDelay_in4Ms;
1588         info->lvds_bit_depth_control_val =
1589                 le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1590
1591         for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1592                 /* Convert [10KHz] into [KHz] */
1593                 info->avail_s_clk[i].supported_s_clk =
1594                         le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1595                                                                         * 10;
1596                 info->avail_s_clk[i].voltage_index =
1597                         le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1598                 info->avail_s_clk[i].voltage_id =
1599                         le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1600         }
1601         #endif /* TODO*/
1602
1603         return BP_RESULT_OK;
1604 }
1605
1606
1607 /*
1608  * construct_integrated_info
1609  *
1610  * @brief
1611  * Get integrated BIOS information based on table revision
1612  *
1613  * @param
1614  * bios_parser *bp - [in]BIOS parser handler to get master data table
1615  * integrated_info *info - [out] store and output integrated info
1616  *
1617  * @return
1618  * enum bp_result - BP_RESULT_OK if information is available,
1619  *                  BP_RESULT_BADBIOSTABLE otherwise.
1620  */
1621 static enum bp_result construct_integrated_info(
1622         struct bios_parser *bp,
1623         struct integrated_info *info)
1624 {
1625         enum bp_result result = BP_RESULT_BADBIOSTABLE;
1626
1627         struct atom_common_table_header *header;
1628         struct atom_data_revision revision;
1629         uint32_t i;
1630         uint32_t j;
1631
1632         if (info && DATA_TABLES(integratedsysteminfo)) {
1633                 header = GET_IMAGE(struct atom_common_table_header,
1634                                         DATA_TABLES(integratedsysteminfo));
1635
1636                 get_atom_data_table_revision(header, &revision);
1637
1638                 /* Don't need to check major revision as they are all 1 */
1639                 switch (revision.minor) {
1640                 case 11:
1641                         result = get_integrated_info_v11(bp, info);
1642                         break;
1643                 default:
1644                         return result;
1645                 }
1646         }
1647
1648         if (result != BP_RESULT_OK)
1649                 return result;
1650
1651         /* Sort voltage table from low to high*/
1652         for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1653                 for (j = i; j > 0; --j) {
1654                         if (info->disp_clk_voltage[j].max_supported_clk <
1655                                 info->disp_clk_voltage[j-1].max_supported_clk
1656                                 ) {
1657                                 /* swap j and j - 1*/
1658                                 swap(info->disp_clk_voltage[j - 1],
1659                                      info->disp_clk_voltage[j]);
1660                         }
1661                 }
1662         }
1663
1664         return result;
1665 }
1666
1667 static struct integrated_info *bios_parser_create_integrated_info(
1668         struct dc_bios *dcb)
1669 {
1670         struct bios_parser *bp = BP_FROM_DCB(dcb);
1671         struct integrated_info *info = NULL;
1672
1673         info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
1674
1675         if (info == NULL) {
1676                 ASSERT_CRITICAL(0);
1677                 return NULL;
1678         }
1679
1680         if (construct_integrated_info(bp, info) == BP_RESULT_OK)
1681                 return info;
1682
1683         kfree(info);
1684
1685         return NULL;
1686 }
1687
1688 static enum bp_result update_slot_layout_info(
1689         struct dc_bios *dcb,
1690         unsigned int i,
1691         struct slot_layout_info *slot_layout_info)
1692 {
1693         unsigned int record_offset;
1694         unsigned int j;
1695         struct atom_display_object_path_v2 *object;
1696         struct atom_bracket_layout_record *record;
1697         struct atom_common_record_header *record_header;
1698         enum bp_result result;
1699         struct bios_parser *bp;
1700         struct object_info_table *tbl;
1701         struct display_object_info_table_v1_4 *v1_4;
1702
1703         record = NULL;
1704         record_header = NULL;
1705         result = BP_RESULT_NORECORD;
1706
1707         bp = BP_FROM_DCB(dcb);
1708         tbl = &bp->object_info_tbl;
1709         v1_4 = tbl->v1_4;
1710
1711         object = &v1_4->display_path[i];
1712         record_offset = (unsigned int)
1713                 (object->disp_recordoffset) +
1714                 (unsigned int)(bp->object_info_tbl_offset);
1715
1716         for (;;) {
1717
1718                 record_header = (struct atom_common_record_header *)
1719                         GET_IMAGE(struct atom_common_record_header,
1720                         record_offset);
1721                 if (record_header == NULL) {
1722                         result = BP_RESULT_BADBIOSTABLE;
1723                         break;
1724                 }
1725
1726                 /* the end of the list */
1727                 if (record_header->record_type == 0xff ||
1728                         record_header->record_size == 0)        {
1729                         break;
1730                 }
1731
1732                 if (record_header->record_type ==
1733                         ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
1734                         sizeof(struct atom_bracket_layout_record)
1735                         <= record_header->record_size) {
1736                         record = (struct atom_bracket_layout_record *)
1737                                 (record_header);
1738                         result = BP_RESULT_OK;
1739                         break;
1740                 }
1741
1742                 record_offset += record_header->record_size;
1743         }
1744
1745         /* return if the record not found */
1746         if (result != BP_RESULT_OK)
1747                 return result;
1748
1749         /* get slot sizes */
1750         slot_layout_info->length = record->bracketlen;
1751         slot_layout_info->width = record->bracketwidth;
1752
1753         /* get info for each connector in the slot */
1754         slot_layout_info->num_of_connectors = record->conn_num;
1755         for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
1756                 slot_layout_info->connectors[j].connector_type =
1757                         (enum connector_layout_type)
1758                         (record->conn_info[j].connector_type);
1759                 switch (record->conn_info[j].connector_type) {
1760                 case CONNECTOR_TYPE_DVI_D:
1761                         slot_layout_info->connectors[j].connector_type =
1762                                 CONNECTOR_LAYOUT_TYPE_DVI_D;
1763                         slot_layout_info->connectors[j].length =
1764                                 CONNECTOR_SIZE_DVI;
1765                         break;
1766
1767                 case CONNECTOR_TYPE_HDMI:
1768                         slot_layout_info->connectors[j].connector_type =
1769                                 CONNECTOR_LAYOUT_TYPE_HDMI;
1770                         slot_layout_info->connectors[j].length =
1771                                 CONNECTOR_SIZE_HDMI;
1772                         break;
1773
1774                 case CONNECTOR_TYPE_DISPLAY_PORT:
1775                         slot_layout_info->connectors[j].connector_type =
1776                                 CONNECTOR_LAYOUT_TYPE_DP;
1777                         slot_layout_info->connectors[j].length =
1778                                 CONNECTOR_SIZE_DP;
1779                         break;
1780
1781                 case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
1782                         slot_layout_info->connectors[j].connector_type =
1783                                 CONNECTOR_LAYOUT_TYPE_MINI_DP;
1784                         slot_layout_info->connectors[j].length =
1785                                 CONNECTOR_SIZE_MINI_DP;
1786                         break;
1787
1788                 default:
1789                         slot_layout_info->connectors[j].connector_type =
1790                                 CONNECTOR_LAYOUT_TYPE_UNKNOWN;
1791                         slot_layout_info->connectors[j].length =
1792                                 CONNECTOR_SIZE_UNKNOWN;
1793                 }
1794
1795                 slot_layout_info->connectors[j].position =
1796                         record->conn_info[j].position;
1797                 slot_layout_info->connectors[j].connector_id =
1798                         object_id_from_bios_object_id(
1799                                 record->conn_info[j].connectorobjid);
1800         }
1801         return result;
1802 }
1803
1804
1805 static enum bp_result get_bracket_layout_record(
1806         struct dc_bios *dcb,
1807         unsigned int bracket_layout_id,
1808         struct slot_layout_info *slot_layout_info)
1809 {
1810         unsigned int i;
1811         struct bios_parser *bp = BP_FROM_DCB(dcb);
1812         enum bp_result result;
1813         struct object_info_table *tbl;
1814         struct display_object_info_table_v1_4 *v1_4;
1815
1816         if (slot_layout_info == NULL) {
1817                 DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
1818                 return BP_RESULT_BADINPUT;
1819         }
1820         tbl = &bp->object_info_tbl;
1821         v1_4 = tbl->v1_4;
1822
1823         result = BP_RESULT_NORECORD;
1824         for (i = 0; i < v1_4->number_of_path; ++i)      {
1825
1826                 if (bracket_layout_id ==
1827                         v1_4->display_path[i].display_objid) {
1828                         result = update_slot_layout_info(dcb, i,
1829                                 slot_layout_info);
1830                         break;
1831                 }
1832         }
1833         return result;
1834 }
1835
1836 static enum bp_result bios_get_board_layout_info(
1837         struct dc_bios *dcb,
1838         struct board_layout_info *board_layout_info)
1839 {
1840         unsigned int i;
1841         enum bp_result record_result;
1842
1843         const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
1844                 GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
1845                 GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
1846                 0, 0
1847         };
1848
1849         if (board_layout_info == NULL) {
1850                 DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
1851                 return BP_RESULT_BADINPUT;
1852         }
1853
1854         board_layout_info->num_of_slots = 0;
1855
1856         for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
1857                 record_result = get_bracket_layout_record(dcb,
1858                         slot_index_to_vbios_id[i],
1859                         &board_layout_info->slots[i]);
1860
1861                 if (record_result == BP_RESULT_NORECORD && i > 0)
1862                         break; /* no more slots present in bios */
1863                 else if (record_result != BP_RESULT_OK)
1864                         return record_result;  /* fail */
1865
1866                 ++board_layout_info->num_of_slots;
1867         }
1868
1869         /* all data is valid */
1870         board_layout_info->is_number_of_slots_valid = 1;
1871         board_layout_info->is_slots_size_valid = 1;
1872         board_layout_info->is_connector_offsets_valid = 1;
1873         board_layout_info->is_connector_lengths_valid = 1;
1874
1875         return BP_RESULT_OK;
1876 }
1877
1878 static const struct dc_vbios_funcs vbios_funcs = {
1879         .get_connectors_number = bios_parser_get_connectors_number,
1880
1881         .get_connector_id = bios_parser_get_connector_id,
1882
1883         .get_src_obj = bios_parser_get_src_obj,
1884
1885         .get_i2c_info = bios_parser_get_i2c_info,
1886
1887         .get_hpd_info = bios_parser_get_hpd_info,
1888
1889         .get_device_tag = bios_parser_get_device_tag,
1890
1891         .get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
1892
1893         .get_ss_entry_number = bios_parser_get_ss_entry_number,
1894
1895         .get_embedded_panel_info = bios_parser_get_embedded_panel_info,
1896
1897         .get_gpio_pin_info = bios_parser_get_gpio_pin_info,
1898
1899         .get_encoder_cap_info = bios_parser_get_encoder_cap_info,
1900
1901         .is_device_id_supported = bios_parser_is_device_id_supported,
1902
1903         .is_accelerated_mode = bios_parser_is_accelerated_mode,
1904
1905         .set_scratch_critical_state = bios_parser_set_scratch_critical_state,
1906
1907
1908 /*       COMMANDS */
1909         .encoder_control = bios_parser_encoder_control,
1910
1911         .transmitter_control = bios_parser_transmitter_control,
1912
1913         .enable_crtc = bios_parser_enable_crtc,
1914
1915         .set_pixel_clock = bios_parser_set_pixel_clock,
1916
1917         .set_dce_clock = bios_parser_set_dce_clock,
1918
1919         .program_crtc_timing = bios_parser_program_crtc_timing,
1920
1921         .enable_disp_power_gating = bios_parser_enable_disp_power_gating,
1922
1923         .bios_parser_destroy = firmware_parser_destroy,
1924
1925         .get_board_layout_info = bios_get_board_layout_info,
1926 };
1927
1928 static bool bios_parser2_construct(
1929         struct bios_parser *bp,
1930         struct bp_init_data *init,
1931         enum dce_version dce_version)
1932 {
1933         uint16_t *rom_header_offset = NULL;
1934         struct atom_rom_header_v2_2 *rom_header = NULL;
1935         struct display_object_info_table_v1_4 *object_info_tbl;
1936         struct atom_data_revision tbl_rev = {0};
1937
1938         if (!init)
1939                 return false;
1940
1941         if (!init->bios)
1942                 return false;
1943
1944         bp->base.funcs = &vbios_funcs;
1945         bp->base.bios = init->bios;
1946         bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
1947
1948         bp->base.ctx = init->ctx;
1949
1950         bp->base.bios_local_image = NULL;
1951
1952         rom_header_offset =
1953                         GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
1954
1955         if (!rom_header_offset)
1956                 return false;
1957
1958         rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
1959
1960         if (!rom_header)
1961                 return false;
1962
1963         get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
1964         if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
1965                 return false;
1966
1967         bp->master_data_tbl =
1968                 GET_IMAGE(struct atom_master_data_table_v2_1,
1969                                 rom_header->masterdatatable_offset);
1970
1971         if (!bp->master_data_tbl)
1972                 return false;
1973
1974         bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
1975
1976         if (!bp->object_info_tbl_offset)
1977                 return false;
1978
1979         object_info_tbl =
1980                         GET_IMAGE(struct display_object_info_table_v1_4,
1981                                                 bp->object_info_tbl_offset);
1982
1983         if (!object_info_tbl)
1984                 return false;
1985
1986         get_atom_data_table_revision(&object_info_tbl->table_header,
1987                 &bp->object_info_tbl.revision);
1988
1989         if (bp->object_info_tbl.revision.major == 1
1990                 && bp->object_info_tbl.revision.minor >= 4) {
1991                 struct display_object_info_table_v1_4 *tbl_v1_4;
1992
1993                 tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
1994                         bp->object_info_tbl_offset);
1995                 if (!tbl_v1_4)
1996                         return false;
1997
1998                 bp->object_info_tbl.v1_4 = tbl_v1_4;
1999         } else
2000                 return false;
2001
2002         dal_firmware_parser_init_cmd_tbl(bp);
2003         dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
2004
2005         bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
2006         bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
2007
2008         return true;
2009 }
2010
2011 struct dc_bios *firmware_parser_create(
2012         struct bp_init_data *init,
2013         enum dce_version dce_version)
2014 {
2015         struct bios_parser *bp = NULL;
2016
2017         bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2018         if (!bp)
2019                 return NULL;
2020
2021         if (bios_parser2_construct(bp, init, dce_version))
2022                 return &bp->base;
2023
2024         kfree(bp);
2025         return NULL;
2026 }
2027
2028