linux/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
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   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
  74struct 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
  81static 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
  85static enum bp_result bios_parser_get_firmware_info(
  86        struct dc_bios *dcb,
  87        struct dc_firmware_info *info);
  88
  89static 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
  94static enum bp_result get_firmware_info_v3_1(
  95        struct bios_parser *bp,
  96        struct dc_firmware_info *info);
  97
  98static enum bp_result get_firmware_info_v3_2(
  99        struct bios_parser *bp,
 100        struct dc_firmware_info *info);
 101
 102static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
 103                struct atom_display_object_path_v2 *object);
 104
 105static 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
 114static void destruct(struct bios_parser *bp)
 115{
 116        kfree(bp->base.bios_local_image);
 117        kfree(bp->base.integrated_info);
 118}
 119
 120static 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        destruct(bp);
 130
 131        kfree(bp);
 132        *dcb = NULL;
 133}
 134
 135static 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 */
 158static 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
 171static 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
 194static 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 */
 254static 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
 289static 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 bios_parser *bp = BP_FROM_DCB(dcb);
 298
 299        if (!info)
 300                return BP_RESULT_BADINPUT;
 301
 302        object = get_bios_object(bp, id);
 303
 304        if (!object)
 305                return BP_RESULT_BADINPUT;
 306
 307        offset = object->disp_recordoffset + bp->object_info_tbl_offset;
 308
 309        for (;;) {
 310                header = GET_IMAGE(struct atom_common_record_header, offset);
 311
 312                if (!header)
 313                        return BP_RESULT_BADBIOSTABLE;
 314
 315                if (header->record_type == LAST_RECORD_TYPE ||
 316                        !header->record_size)
 317                        break;
 318
 319                if (header->record_type == ATOM_I2C_RECORD_TYPE
 320                        && sizeof(struct atom_i2c_record) <=
 321                                                        header->record_size) {
 322                        /* get the I2C info */
 323                        record = (struct atom_i2c_record *) header;
 324
 325                        if (get_gpio_i2c_info(bp, record, info) ==
 326                                                                BP_RESULT_OK)
 327                                return BP_RESULT_OK;
 328                }
 329
 330                offset += header->record_size;
 331        }
 332
 333        return BP_RESULT_NORECORD;
 334}
 335
 336static enum bp_result get_gpio_i2c_info(
 337        struct bios_parser *bp,
 338        struct atom_i2c_record *record,
 339        struct graphics_object_i2c_info *info)
 340{
 341        struct atom_gpio_pin_lut_v2_1 *header;
 342        uint32_t count = 0;
 343        unsigned int table_index = 0;
 344
 345        if (!info)
 346                return BP_RESULT_BADINPUT;
 347
 348        /* get the GPIO_I2C info */
 349        if (!DATA_TABLES(gpio_pin_lut))
 350                return BP_RESULT_BADBIOSTABLE;
 351
 352        header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
 353                                        DATA_TABLES(gpio_pin_lut));
 354        if (!header)
 355                return BP_RESULT_BADBIOSTABLE;
 356
 357        if (sizeof(struct atom_common_table_header) +
 358                        sizeof(struct atom_gpio_pin_assignment) >
 359                        le16_to_cpu(header->table_header.structuresize))
 360                return BP_RESULT_BADBIOSTABLE;
 361
 362        /* TODO: is version change? */
 363        if (header->table_header.content_revision != 1)
 364                return BP_RESULT_UNSUPPORTED;
 365
 366        /* get data count */
 367        count = (le16_to_cpu(header->table_header.structuresize)
 368                        - sizeof(struct atom_common_table_header))
 369                                / sizeof(struct atom_gpio_pin_assignment);
 370
 371        table_index = record->i2c_id  & I2C_HW_LANE_MUX;
 372
 373        if (count < table_index) {
 374                bool find_valid = false;
 375
 376                for (table_index = 0; table_index < count; table_index++) {
 377                        if (((record->i2c_id & I2C_HW_CAP) == (
 378                        header->gpio_pin[table_index].gpio_id &
 379                                                        I2C_HW_CAP)) &&
 380                        ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
 381                        (header->gpio_pin[table_index].gpio_id &
 382                                                I2C_HW_ENGINE_ID_MASK)) &&
 383                        ((record->i2c_id & I2C_HW_LANE_MUX) ==
 384                        (header->gpio_pin[table_index].gpio_id &
 385                                                        I2C_HW_LANE_MUX))) {
 386                                /* still valid */
 387                                find_valid = true;
 388                                break;
 389                        }
 390                }
 391                /* If we don't find the entry that we are looking for then
 392                 *  we will return BP_Result_BadBiosTable.
 393                 */
 394                if (find_valid == false)
 395                        return BP_RESULT_BADBIOSTABLE;
 396        }
 397
 398        /* get the GPIO_I2C_INFO */
 399        info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
 400        info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
 401        info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
 402        info->i2c_slave_address = record->i2c_slave_addr;
 403
 404        /* TODO: check how to get register offset for en, Y, etc. */
 405        info->gpio_info.clk_a_register_index =
 406                        le16_to_cpu(
 407                        header->gpio_pin[table_index].data_a_reg_index);
 408        info->gpio_info.clk_a_shift =
 409                        header->gpio_pin[table_index].gpio_bitshift;
 410
 411        return BP_RESULT_OK;
 412}
 413
 414static enum bp_result bios_parser_get_hpd_info(
 415        struct dc_bios *dcb,
 416        struct graphics_object_id id,
 417        struct graphics_object_hpd_info *info)
 418{
 419        struct bios_parser *bp = BP_FROM_DCB(dcb);
 420        struct atom_display_object_path_v2 *object;
 421        struct atom_hpd_int_record *record = NULL;
 422
 423        if (!info)
 424                return BP_RESULT_BADINPUT;
 425
 426        object = get_bios_object(bp, id);
 427
 428        if (!object)
 429                return BP_RESULT_BADINPUT;
 430
 431        record = get_hpd_record(bp, object);
 432
 433        if (record != NULL) {
 434                info->hpd_int_gpio_uid = record->pin_id;
 435                info->hpd_active = record->plugin_pin_state;
 436                return BP_RESULT_OK;
 437        }
 438
 439        return BP_RESULT_NORECORD;
 440}
 441
 442static struct atom_hpd_int_record *get_hpd_record(
 443        struct bios_parser *bp,
 444        struct atom_display_object_path_v2 *object)
 445{
 446        struct atom_common_record_header *header;
 447        uint32_t offset;
 448
 449        if (!object) {
 450                BREAK_TO_DEBUGGER(); /* Invalid object */
 451                return NULL;
 452        }
 453
 454        offset = le16_to_cpu(object->disp_recordoffset)
 455                        + bp->object_info_tbl_offset;
 456
 457        for (;;) {
 458                header = GET_IMAGE(struct atom_common_record_header, offset);
 459
 460                if (!header)
 461                        return NULL;
 462
 463                if (header->record_type == LAST_RECORD_TYPE ||
 464                        !header->record_size)
 465                        break;
 466
 467                if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
 468                        && sizeof(struct atom_hpd_int_record) <=
 469                                                        header->record_size)
 470                        return (struct atom_hpd_int_record *) header;
 471
 472                offset += header->record_size;
 473        }
 474
 475        return NULL;
 476}
 477
 478/**
 479 * bios_parser_get_gpio_pin_info
 480 * Get GpioPin information of input gpio id
 481 *
 482 * @param gpio_id, GPIO ID
 483 * @param info, GpioPin information structure
 484 * @return Bios parser result code
 485 * @note
 486 *  to get the GPIO PIN INFO, we need:
 487 *  1. get the GPIO_ID from other object table, see GetHPDInfo()
 488 *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
 489 *      to get the registerA  offset/mask
 490 */
 491static enum bp_result bios_parser_get_gpio_pin_info(
 492        struct dc_bios *dcb,
 493        uint32_t gpio_id,
 494        struct gpio_pin_info *info)
 495{
 496        struct bios_parser *bp = BP_FROM_DCB(dcb);
 497        struct atom_gpio_pin_lut_v2_1 *header;
 498        uint32_t count = 0;
 499        uint32_t i = 0;
 500
 501        if (!DATA_TABLES(gpio_pin_lut))
 502                return BP_RESULT_BADBIOSTABLE;
 503
 504        header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
 505                                                DATA_TABLES(gpio_pin_lut));
 506        if (!header)
 507                return BP_RESULT_BADBIOSTABLE;
 508
 509        if (sizeof(struct atom_common_table_header) +
 510                        sizeof(struct atom_gpio_pin_assignment)
 511                        > le16_to_cpu(header->table_header.structuresize))
 512                return BP_RESULT_BADBIOSTABLE;
 513
 514        if (header->table_header.content_revision != 1)
 515                return BP_RESULT_UNSUPPORTED;
 516
 517        /* Temporary hard code gpio pin info */
 518#if defined(FOR_SIMNOW_BOOT)
 519        {
 520                struct  atom_gpio_pin_assignment  gpio_pin[8] = {
 521                                {0x5db5, 0, 0, 1, 0},
 522                                {0x5db5, 8, 8, 2, 0},
 523                                {0x5db5, 0x10, 0x10, 3, 0},
 524                                {0x5db5, 0x18, 0x14, 4, 0},
 525                                {0x5db5, 0x1A, 0x18, 5, 0},
 526                                {0x5db5, 0x1C, 0x1C, 6, 0},
 527                };
 528
 529                count = 6;
 530                memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
 531        }
 532#else
 533        count = (le16_to_cpu(header->table_header.structuresize)
 534                        - sizeof(struct atom_common_table_header))
 535                                / sizeof(struct atom_gpio_pin_assignment);
 536#endif
 537        for (i = 0; i < count; ++i) {
 538                if (header->gpio_pin[i].gpio_id != gpio_id)
 539                        continue;
 540
 541                info->offset =
 542                        (uint32_t) le16_to_cpu(
 543                                        header->gpio_pin[i].data_a_reg_index);
 544                info->offset_y = info->offset + 2;
 545                info->offset_en = info->offset + 1;
 546                info->offset_mask = info->offset - 1;
 547
 548                info->mask = (uint32_t) (1 <<
 549                        header->gpio_pin[i].gpio_bitshift);
 550                info->mask_y = info->mask + 2;
 551                info->mask_en = info->mask + 1;
 552                info->mask_mask = info->mask - 1;
 553
 554                return BP_RESULT_OK;
 555        }
 556
 557        return BP_RESULT_NORECORD;
 558}
 559
 560static struct device_id device_type_from_device_id(uint16_t device_id)
 561{
 562
 563        struct device_id result_device_id;
 564
 565        result_device_id.raw_device_tag = device_id;
 566
 567        switch (device_id) {
 568        case ATOM_DISPLAY_LCD1_SUPPORT:
 569                result_device_id.device_type = DEVICE_TYPE_LCD;
 570                result_device_id.enum_id = 1;
 571                break;
 572
 573        case ATOM_DISPLAY_DFP1_SUPPORT:
 574                result_device_id.device_type = DEVICE_TYPE_DFP;
 575                result_device_id.enum_id = 1;
 576                break;
 577
 578        case ATOM_DISPLAY_DFP2_SUPPORT:
 579                result_device_id.device_type = DEVICE_TYPE_DFP;
 580                result_device_id.enum_id = 2;
 581                break;
 582
 583        case ATOM_DISPLAY_DFP3_SUPPORT:
 584                result_device_id.device_type = DEVICE_TYPE_DFP;
 585                result_device_id.enum_id = 3;
 586                break;
 587
 588        case ATOM_DISPLAY_DFP4_SUPPORT:
 589                result_device_id.device_type = DEVICE_TYPE_DFP;
 590                result_device_id.enum_id = 4;
 591                break;
 592
 593        case ATOM_DISPLAY_DFP5_SUPPORT:
 594                result_device_id.device_type = DEVICE_TYPE_DFP;
 595                result_device_id.enum_id = 5;
 596                break;
 597
 598        case ATOM_DISPLAY_DFP6_SUPPORT:
 599                result_device_id.device_type = DEVICE_TYPE_DFP;
 600                result_device_id.enum_id = 6;
 601                break;
 602
 603        default:
 604                BREAK_TO_DEBUGGER(); /* Invalid device Id */
 605                result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
 606                result_device_id.enum_id = 0;
 607        }
 608        return result_device_id;
 609}
 610
 611static enum bp_result bios_parser_get_device_tag(
 612        struct dc_bios *dcb,
 613        struct graphics_object_id connector_object_id,
 614        uint32_t device_tag_index,
 615        struct connector_device_tag_info *info)
 616{
 617        struct bios_parser *bp = BP_FROM_DCB(dcb);
 618        struct atom_display_object_path_v2 *object;
 619
 620        if (!info)
 621                return BP_RESULT_BADINPUT;
 622
 623        /* getBiosObject will return MXM object */
 624        object = get_bios_object(bp, connector_object_id);
 625
 626        if (!object) {
 627                BREAK_TO_DEBUGGER(); /* Invalid object id */
 628                return BP_RESULT_BADINPUT;
 629        }
 630
 631        info->acpi_device = 0; /* BIOS no longer provides this */
 632        info->dev_id = device_type_from_device_id(object->device_tag);
 633
 634        return BP_RESULT_OK;
 635}
 636
 637static enum bp_result get_ss_info_v4_1(
 638        struct bios_parser *bp,
 639        uint32_t id,
 640        uint32_t index,
 641        struct spread_spectrum_info *ss_info)
 642{
 643        enum bp_result result = BP_RESULT_OK;
 644        struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
 645        struct atom_smu_info_v3_3 *smu_info = NULL;
 646
 647        if (!ss_info)
 648                return BP_RESULT_BADINPUT;
 649
 650        if (!DATA_TABLES(dce_info))
 651                return BP_RESULT_BADBIOSTABLE;
 652
 653        disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
 654                                                        DATA_TABLES(dce_info));
 655        if (!disp_cntl_tbl)
 656                return BP_RESULT_BADBIOSTABLE;
 657
 658
 659        ss_info->type.STEP_AND_DELAY_INFO = false;
 660        ss_info->spread_percentage_divider = 1000;
 661        /* BIOS no longer uses target clock.  Always enable for now */
 662        ss_info->target_clock_range = 0xffffffff;
 663
 664        switch (id) {
 665        case AS_SIGNAL_TYPE_DVI:
 666                ss_info->spread_spectrum_percentage =
 667                                disp_cntl_tbl->dvi_ss_percentage;
 668                ss_info->spread_spectrum_range =
 669                                disp_cntl_tbl->dvi_ss_rate_10hz * 10;
 670                if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 671                        ss_info->type.CENTER_MODE = true;
 672                break;
 673        case AS_SIGNAL_TYPE_HDMI:
 674                ss_info->spread_spectrum_percentage =
 675                                disp_cntl_tbl->hdmi_ss_percentage;
 676                ss_info->spread_spectrum_range =
 677                                disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
 678                if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 679                        ss_info->type.CENTER_MODE = true;
 680                break;
 681        /* TODO LVDS not support anymore? */
 682        case AS_SIGNAL_TYPE_DISPLAY_PORT:
 683                ss_info->spread_spectrum_percentage =
 684                                disp_cntl_tbl->dp_ss_percentage;
 685                ss_info->spread_spectrum_range =
 686                                disp_cntl_tbl->dp_ss_rate_10hz * 10;
 687                if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 688                        ss_info->type.CENTER_MODE = true;
 689                break;
 690        case AS_SIGNAL_TYPE_GPU_PLL:
 691                /* atom_firmware: DAL only get data from dce_info table.
 692                 * if data within smu_info is needed for DAL, VBIOS should
 693                 * copy it into dce_info
 694                 */
 695                result = BP_RESULT_UNSUPPORTED;
 696                break;
 697        case AS_SIGNAL_TYPE_XGMI:
 698                smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
 699                                      DATA_TABLES(smu_info));
 700                if (!smu_info)
 701                        return BP_RESULT_BADBIOSTABLE;
 702
 703                ss_info->spread_spectrum_percentage =
 704                                smu_info->waflclk_ss_percentage;
 705                ss_info->spread_spectrum_range =
 706                                smu_info->gpuclk_ss_rate_10hz * 10;
 707                if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 708                        ss_info->type.CENTER_MODE = true;
 709                break;
 710        default:
 711                result = BP_RESULT_UNSUPPORTED;
 712        }
 713
 714        return result;
 715}
 716
 717static enum bp_result get_ss_info_v4_2(
 718        struct bios_parser *bp,
 719        uint32_t id,
 720        uint32_t index,
 721        struct spread_spectrum_info *ss_info)
 722{
 723        enum bp_result result = BP_RESULT_OK;
 724        struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
 725        struct atom_smu_info_v3_1 *smu_info = NULL;
 726
 727        if (!ss_info)
 728                return BP_RESULT_BADINPUT;
 729
 730        if (!DATA_TABLES(dce_info))
 731                return BP_RESULT_BADBIOSTABLE;
 732
 733        if (!DATA_TABLES(smu_info))
 734                return BP_RESULT_BADBIOSTABLE;
 735
 736        disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
 737                                                        DATA_TABLES(dce_info));
 738        if (!disp_cntl_tbl)
 739                return BP_RESULT_BADBIOSTABLE;
 740
 741        smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
 742        if (!smu_info)
 743                return BP_RESULT_BADBIOSTABLE;
 744
 745        ss_info->type.STEP_AND_DELAY_INFO = false;
 746        ss_info->spread_percentage_divider = 1000;
 747        /* BIOS no longer uses target clock.  Always enable for now */
 748        ss_info->target_clock_range = 0xffffffff;
 749
 750        switch (id) {
 751        case AS_SIGNAL_TYPE_DVI:
 752                ss_info->spread_spectrum_percentage =
 753                                disp_cntl_tbl->dvi_ss_percentage;
 754                ss_info->spread_spectrum_range =
 755                                disp_cntl_tbl->dvi_ss_rate_10hz * 10;
 756                if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 757                        ss_info->type.CENTER_MODE = true;
 758                break;
 759        case AS_SIGNAL_TYPE_HDMI:
 760                ss_info->spread_spectrum_percentage =
 761                                disp_cntl_tbl->hdmi_ss_percentage;
 762                ss_info->spread_spectrum_range =
 763                                disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
 764                if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 765                        ss_info->type.CENTER_MODE = true;
 766                break;
 767        /* TODO LVDS not support anymore? */
 768        case AS_SIGNAL_TYPE_DISPLAY_PORT:
 769                ss_info->spread_spectrum_percentage =
 770                                smu_info->gpuclk_ss_percentage;
 771                ss_info->spread_spectrum_range =
 772                                smu_info->gpuclk_ss_rate_10hz * 10;
 773                if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
 774                        ss_info->type.CENTER_MODE = true;
 775                break;
 776        case AS_SIGNAL_TYPE_GPU_PLL:
 777                /* atom_firmware: DAL only get data from dce_info table.
 778                 * if data within smu_info is needed for DAL, VBIOS should
 779                 * copy it into dce_info
 780                 */
 781                result = BP_RESULT_UNSUPPORTED;
 782                break;
 783        default:
 784                result = BP_RESULT_UNSUPPORTED;
 785        }
 786
 787        return result;
 788}
 789
 790/**
 791 * bios_parser_get_spread_spectrum_info
 792 * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
 793 * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
 794 * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
 795 * ver 3.1,
 796 * there is only one entry for each signal /ss id.  However, there is
 797 * no planning of supporting multiple spread Sprectum entry for EverGreen
 798 * @param [in] this
 799 * @param [in] signal, ASSignalType to be converted to info index
 800 * @param [in] index, number of entries that match the converted info index
 801 * @param [out] ss_info, sprectrum information structure,
 802 * @return Bios parser result code
 803 */
 804static enum bp_result bios_parser_get_spread_spectrum_info(
 805        struct dc_bios *dcb,
 806        enum as_signal_type signal,
 807        uint32_t index,
 808        struct spread_spectrum_info *ss_info)
 809{
 810        struct bios_parser *bp = BP_FROM_DCB(dcb);
 811        enum bp_result result = BP_RESULT_UNSUPPORTED;
 812        struct atom_common_table_header *header;
 813        struct atom_data_revision tbl_revision;
 814
 815        if (!ss_info) /* check for bad input */
 816                return BP_RESULT_BADINPUT;
 817
 818        if (!DATA_TABLES(dce_info))
 819                return BP_RESULT_UNSUPPORTED;
 820
 821        header = GET_IMAGE(struct atom_common_table_header,
 822                                                DATA_TABLES(dce_info));
 823        get_atom_data_table_revision(header, &tbl_revision);
 824
 825        switch (tbl_revision.major) {
 826        case 4:
 827                switch (tbl_revision.minor) {
 828                case 1:
 829                        return get_ss_info_v4_1(bp, signal, index, ss_info);
 830                case 2:
 831                        return get_ss_info_v4_2(bp, signal, index, ss_info);
 832                default:
 833                        break;
 834                }
 835                break;
 836        default:
 837                break;
 838        }
 839        /* there can not be more then one entry for SS Info table */
 840        return result;
 841}
 842
 843static enum bp_result get_embedded_panel_info_v2_1(
 844                struct bios_parser *bp,
 845                struct embedded_panel_info *info)
 846{
 847        struct lcd_info_v2_1 *lvds;
 848
 849        if (!info)
 850                return BP_RESULT_BADINPUT;
 851
 852        if (!DATA_TABLES(lcd_info))
 853                return BP_RESULT_UNSUPPORTED;
 854
 855        lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
 856
 857        if (!lvds)
 858                return BP_RESULT_BADBIOSTABLE;
 859
 860        /* TODO: previous vv1_3, should v2_1 */
 861        if (!((lvds->table_header.format_revision == 2)
 862                        && (lvds->table_header.content_revision >= 1)))
 863                return BP_RESULT_UNSUPPORTED;
 864
 865        memset(info, 0, sizeof(struct embedded_panel_info));
 866
 867        /* We need to convert from 10KHz units into KHz units */
 868        info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
 869        /* usHActive does not include borders, according to VBIOS team */
 870        info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
 871        /* usHBlanking_Time includes borders, so we should really be
 872         * subtractingborders duing this translation, but LVDS generally
 873         * doesn't have borders, so we should be okay leaving this as is for
 874         * now.  May need to revisit if we ever have LVDS with borders
 875         */
 876        info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
 877        /* usVActive does not include borders, according to VBIOS team*/
 878        info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
 879        /* usVBlanking_Time includes borders, so we should really be
 880         * subtracting borders duing this translation, but LVDS generally
 881         * doesn't have borders, so we should be okay leaving this as is for
 882         * now. May need to revisit if we ever have LVDS with borders
 883         */
 884        info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
 885        info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
 886        info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
 887        info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
 888        info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
 889        info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
 890        info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
 891
 892        /* not provided by VBIOS */
 893        info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
 894
 895        info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
 896                        & ATOM_HSYNC_POLARITY);
 897        info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
 898                        & ATOM_VSYNC_POLARITY);
 899
 900        /* not provided by VBIOS */
 901        info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
 902
 903        info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
 904                        & ATOM_H_REPLICATIONBY2);
 905        info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
 906                        & ATOM_V_REPLICATIONBY2);
 907        info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
 908                        & ATOM_COMPOSITESYNC);
 909        info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
 910
 911        /* not provided by VBIOS*/
 912        info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
 913        /* not provided by VBIOS*/
 914        info->ss_id = 0;
 915
 916        info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
 917
 918        return BP_RESULT_OK;
 919}
 920
 921static enum bp_result bios_parser_get_embedded_panel_info(
 922                struct dc_bios *dcb,
 923                struct embedded_panel_info *info)
 924{
 925        struct bios_parser
 926        *bp = BP_FROM_DCB(dcb);
 927        struct atom_common_table_header *header;
 928        struct atom_data_revision tbl_revision;
 929
 930        if (!DATA_TABLES(lcd_info))
 931                return BP_RESULT_FAILURE;
 932
 933        header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
 934
 935        if (!header)
 936                return BP_RESULT_BADBIOSTABLE;
 937
 938        get_atom_data_table_revision(header, &tbl_revision);
 939
 940        switch (tbl_revision.major) {
 941        case 2:
 942                switch (tbl_revision.minor) {
 943                case 1:
 944                        return get_embedded_panel_info_v2_1(bp, info);
 945                default:
 946                        break;
 947                }
 948        default:
 949                break;
 950        }
 951
 952        return BP_RESULT_FAILURE;
 953}
 954
 955static uint32_t get_support_mask_for_device_id(struct device_id device_id)
 956{
 957        enum dal_device_type device_type = device_id.device_type;
 958        uint32_t enum_id = device_id.enum_id;
 959
 960        switch (device_type) {
 961        case DEVICE_TYPE_LCD:
 962                switch (enum_id) {
 963                case 1:
 964                        return ATOM_DISPLAY_LCD1_SUPPORT;
 965                default:
 966                        break;
 967                }
 968                break;
 969        case DEVICE_TYPE_DFP:
 970                switch (enum_id) {
 971                case 1:
 972                        return ATOM_DISPLAY_DFP1_SUPPORT;
 973                case 2:
 974                        return ATOM_DISPLAY_DFP2_SUPPORT;
 975                case 3:
 976                        return ATOM_DISPLAY_DFP3_SUPPORT;
 977                case 4:
 978                        return ATOM_DISPLAY_DFP4_SUPPORT;
 979                case 5:
 980                        return ATOM_DISPLAY_DFP5_SUPPORT;
 981                case 6:
 982                        return ATOM_DISPLAY_DFP6_SUPPORT;
 983                default:
 984                        break;
 985                }
 986                break;
 987        default:
 988                break;
 989        };
 990
 991        /* Unidentified device ID, return empty support mask. */
 992        return 0;
 993}
 994
 995static bool bios_parser_is_device_id_supported(
 996        struct dc_bios *dcb,
 997        struct device_id id)
 998{
 999        struct bios_parser *bp = BP_FROM_DCB(dcb);
1000
1001        uint32_t mask = get_support_mask_for_device_id(id);
1002
1003        return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
1004                                                                mask) != 0;
1005}
1006
1007static uint32_t bios_parser_get_ss_entry_number(
1008        struct dc_bios *dcb,
1009        enum as_signal_type signal)
1010{
1011        /* TODO: DAL2 atomfirmware implementation does not need this.
1012         * why DAL3 need this?
1013         */
1014        return 1;
1015}
1016
1017static enum bp_result bios_parser_transmitter_control(
1018        struct dc_bios *dcb,
1019        struct bp_transmitter_control *cntl)
1020{
1021        struct bios_parser *bp = BP_FROM_DCB(dcb);
1022
1023        if (!bp->cmd_tbl.transmitter_control)
1024                return BP_RESULT_FAILURE;
1025
1026        return bp->cmd_tbl.transmitter_control(bp, cntl);
1027}
1028
1029static enum bp_result bios_parser_encoder_control(
1030        struct dc_bios *dcb,
1031        struct bp_encoder_control *cntl)
1032{
1033        struct bios_parser *bp = BP_FROM_DCB(dcb);
1034
1035        if (!bp->cmd_tbl.dig_encoder_control)
1036                return BP_RESULT_FAILURE;
1037
1038        return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1039}
1040
1041static enum bp_result bios_parser_set_pixel_clock(
1042        struct dc_bios *dcb,
1043        struct bp_pixel_clock_parameters *bp_params)
1044{
1045        struct bios_parser *bp = BP_FROM_DCB(dcb);
1046
1047        if (!bp->cmd_tbl.set_pixel_clock)
1048                return BP_RESULT_FAILURE;
1049
1050        return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1051}
1052
1053static enum bp_result bios_parser_set_dce_clock(
1054        struct dc_bios *dcb,
1055        struct bp_set_dce_clock_parameters *bp_params)
1056{
1057        struct bios_parser *bp = BP_FROM_DCB(dcb);
1058
1059        if (!bp->cmd_tbl.set_dce_clock)
1060                return BP_RESULT_FAILURE;
1061
1062        return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1063}
1064
1065static enum bp_result bios_parser_program_crtc_timing(
1066        struct dc_bios *dcb,
1067        struct bp_hw_crtc_timing_parameters *bp_params)
1068{
1069        struct bios_parser *bp = BP_FROM_DCB(dcb);
1070
1071        if (!bp->cmd_tbl.set_crtc_timing)
1072                return BP_RESULT_FAILURE;
1073
1074        return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1075}
1076
1077static enum bp_result bios_parser_enable_crtc(
1078        struct dc_bios *dcb,
1079        enum controller_id id,
1080        bool enable)
1081{
1082        struct bios_parser *bp = BP_FROM_DCB(dcb);
1083
1084        if (!bp->cmd_tbl.enable_crtc)
1085                return BP_RESULT_FAILURE;
1086
1087        return bp->cmd_tbl.enable_crtc(bp, id, enable);
1088}
1089
1090static enum bp_result bios_parser_enable_disp_power_gating(
1091        struct dc_bios *dcb,
1092        enum controller_id controller_id,
1093        enum bp_pipe_control_action action)
1094{
1095        struct bios_parser *bp = BP_FROM_DCB(dcb);
1096
1097        if (!bp->cmd_tbl.enable_disp_power_gating)
1098                return BP_RESULT_FAILURE;
1099
1100        return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1101                action);
1102}
1103
1104static bool bios_parser_is_accelerated_mode(
1105        struct dc_bios *dcb)
1106{
1107        return bios_is_accelerated_mode(dcb);
1108}
1109
1110/**
1111 * bios_parser_set_scratch_critical_state
1112 *
1113 * @brief
1114 *  update critical state bit in VBIOS scratch register
1115 *
1116 * @param
1117 *  bool - to set or reset state
1118 */
1119static void bios_parser_set_scratch_critical_state(
1120        struct dc_bios *dcb,
1121        bool state)
1122{
1123        bios_set_scratch_critical_state(dcb, state);
1124}
1125
1126static enum bp_result bios_parser_get_firmware_info(
1127        struct dc_bios *dcb,
1128        struct dc_firmware_info *info)
1129{
1130        struct bios_parser *bp = BP_FROM_DCB(dcb);
1131        enum bp_result result = BP_RESULT_BADBIOSTABLE;
1132        struct atom_common_table_header *header;
1133
1134        struct atom_data_revision revision;
1135
1136        if (info && DATA_TABLES(firmwareinfo)) {
1137                header = GET_IMAGE(struct atom_common_table_header,
1138                                DATA_TABLES(firmwareinfo));
1139                get_atom_data_table_revision(header, &revision);
1140                switch (revision.major) {
1141                case 3:
1142                        switch (revision.minor) {
1143                        case 1:
1144                                result = get_firmware_info_v3_1(bp, info);
1145                                break;
1146                        case 2:
1147                                result = get_firmware_info_v3_2(bp, info);
1148                                break;
1149                        case 3:
1150                                result = get_firmware_info_v3_2(bp, info);
1151                                break;
1152                        default:
1153                                break;
1154                        }
1155                        break;
1156                default:
1157                        break;
1158                }
1159        }
1160
1161        return result;
1162}
1163
1164static enum bp_result get_firmware_info_v3_1(
1165        struct bios_parser *bp,
1166        struct dc_firmware_info *info)
1167{
1168        struct atom_firmware_info_v3_1 *firmware_info;
1169        struct atom_display_controller_info_v4_1 *dce_info = NULL;
1170
1171        if (!info)
1172                return BP_RESULT_BADINPUT;
1173
1174        firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1175                        DATA_TABLES(firmwareinfo));
1176
1177        dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1178                        DATA_TABLES(dce_info));
1179
1180        if (!firmware_info || !dce_info)
1181                return BP_RESULT_BADBIOSTABLE;
1182
1183        memset(info, 0, sizeof(*info));
1184
1185        /* Pixel clock pll information. */
1186         /* We need to convert from 10KHz units into KHz units */
1187        info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1188        info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1189
1190         /* 27MHz for Vega10: */
1191        info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1192
1193        /* Hardcode frequency if BIOS gives no DCE Ref Clk */
1194        if (info->pll_info.crystal_frequency == 0)
1195                info->pll_info.crystal_frequency = 27000;
1196        /*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1197        info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1198        info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1199
1200        /* Get GPU PLL VCO Clock */
1201
1202        if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1203                /* VBIOS gives in 10KHz */
1204                info->smu_gpu_pll_output_freq =
1205                                bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1206        }
1207
1208        return BP_RESULT_OK;
1209}
1210
1211static enum bp_result get_firmware_info_v3_2(
1212        struct bios_parser *bp,
1213        struct dc_firmware_info *info)
1214{
1215        struct atom_firmware_info_v3_2 *firmware_info;
1216        struct atom_display_controller_info_v4_1 *dce_info = NULL;
1217        struct atom_common_table_header *header;
1218        struct atom_data_revision revision;
1219        struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1220        struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1221
1222        if (!info)
1223                return BP_RESULT_BADINPUT;
1224
1225        firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1226                        DATA_TABLES(firmwareinfo));
1227
1228        dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1229                        DATA_TABLES(dce_info));
1230
1231        if (!firmware_info || !dce_info)
1232                return BP_RESULT_BADBIOSTABLE;
1233
1234        memset(info, 0, sizeof(*info));
1235
1236        header = GET_IMAGE(struct atom_common_table_header,
1237                                        DATA_TABLES(smu_info));
1238        get_atom_data_table_revision(header, &revision);
1239
1240        if (revision.minor == 2) {
1241                /* Vega12 */
1242                smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1243                                                        DATA_TABLES(smu_info));
1244
1245                if (!smu_info_v3_2)
1246                        return BP_RESULT_BADBIOSTABLE;
1247
1248                info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1249        } else if (revision.minor == 3) {
1250                /* Vega20 */
1251                smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1252                                                        DATA_TABLES(smu_info));
1253
1254                if (!smu_info_v3_3)
1255                        return BP_RESULT_BADBIOSTABLE;
1256
1257                info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1258        }
1259
1260         // We need to convert from 10KHz units into KHz units.
1261        info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1262
1263         /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1264        info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1265        /* Hardcode frequency if BIOS gives no DCE Ref Clk */
1266        if (info->pll_info.crystal_frequency == 0) {
1267                if (revision.minor == 2)
1268                        info->pll_info.crystal_frequency = 27000;
1269                else if (revision.minor == 3)
1270                        info->pll_info.crystal_frequency = 100000;
1271        }
1272        /*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1273        info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1274        info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1275
1276        /* Get GPU PLL VCO Clock */
1277        if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1278                if (revision.minor == 2)
1279                        info->smu_gpu_pll_output_freq =
1280                                        bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1281                else if (revision.minor == 3)
1282                        info->smu_gpu_pll_output_freq =
1283                                        bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1284        }
1285
1286        return BP_RESULT_OK;
1287}
1288
1289static enum bp_result bios_parser_get_encoder_cap_info(
1290        struct dc_bios *dcb,
1291        struct graphics_object_id object_id,
1292        struct bp_encoder_cap_info *info)
1293{
1294        struct bios_parser *bp = BP_FROM_DCB(dcb);
1295        struct atom_display_object_path_v2 *object;
1296        struct atom_encoder_caps_record *record = NULL;
1297
1298        if (!info)
1299                return BP_RESULT_BADINPUT;
1300
1301        object = get_bios_object(bp, object_id);
1302
1303        if (!object)
1304                return BP_RESULT_BADINPUT;
1305
1306        record = get_encoder_cap_record(bp, object);
1307        if (!record)
1308                return BP_RESULT_NORECORD;
1309
1310        info->DP_HBR2_CAP = (record->encodercaps &
1311                        ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
1312        info->DP_HBR2_EN = (record->encodercaps &
1313                        ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
1314        info->DP_HBR3_EN = (record->encodercaps &
1315                        ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
1316        info->HDMI_6GB_EN = (record->encodercaps &
1317                        ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
1318        info->DP_IS_USB_C = (record->encodercaps &
1319                        ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
1320
1321        return BP_RESULT_OK;
1322}
1323
1324
1325static struct atom_encoder_caps_record *get_encoder_cap_record(
1326        struct bios_parser *bp,
1327        struct atom_display_object_path_v2 *object)
1328{
1329        struct atom_common_record_header *header;
1330        uint32_t offset;
1331
1332        if (!object) {
1333                BREAK_TO_DEBUGGER(); /* Invalid object */
1334                return NULL;
1335        }
1336
1337        offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
1338
1339        for (;;) {
1340                header = GET_IMAGE(struct atom_common_record_header, offset);
1341
1342                if (!header)
1343                        return NULL;
1344
1345                offset += header->record_size;
1346
1347                if (header->record_type == LAST_RECORD_TYPE ||
1348                                !header->record_size)
1349                        break;
1350
1351                if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
1352                        continue;
1353
1354                if (sizeof(struct atom_encoder_caps_record) <=
1355                                                        header->record_size)
1356                        return (struct atom_encoder_caps_record *)header;
1357        }
1358
1359        return NULL;
1360}
1361
1362/*
1363 * get_integrated_info_v11
1364 *
1365 * @brief
1366 * Get V8 integrated BIOS information
1367 *
1368 * @param
1369 * bios_parser *bp - [in]BIOS parser handler to get master data table
1370 * integrated_info *info - [out] store and output integrated info
1371 *
1372 * @return
1373 * enum bp_result - BP_RESULT_OK if information is available,
1374 *                  BP_RESULT_BADBIOSTABLE otherwise.
1375 */
1376static enum bp_result get_integrated_info_v11(
1377        struct bios_parser *bp,
1378        struct integrated_info *info)
1379{
1380        struct atom_integrated_system_info_v1_11 *info_v11;
1381        uint32_t i;
1382
1383        info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
1384                                        DATA_TABLES(integratedsysteminfo));
1385
1386        if (info_v11 == NULL)
1387                return BP_RESULT_BADBIOSTABLE;
1388
1389        info->gpu_cap_info =
1390        le32_to_cpu(info_v11->gpucapinfo);
1391        /*
1392        * system_config: Bit[0] = 0 : PCIE power gating disabled
1393        *                       = 1 : PCIE power gating enabled
1394        *                Bit[1] = 0 : DDR-PLL shut down disabled
1395        *                       = 1 : DDR-PLL shut down enabled
1396        *                Bit[2] = 0 : DDR-PLL power down disabled
1397        *                       = 1 : DDR-PLL power down enabled
1398        */
1399        info->system_config = le32_to_cpu(info_v11->system_config);
1400        info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
1401        info->memory_type = info_v11->memorytype;
1402        info->ma_channel_number = info_v11->umachannelnumber;
1403        info->lvds_ss_percentage =
1404        le16_to_cpu(info_v11->lvds_ss_percentage);
1405#ifdef CONFIG_DRM_AMD_DC_DCN2_0
1406        info->dp_ss_control =
1407        le16_to_cpu(info_v11->reserved1);
1408#endif
1409        info->lvds_sspread_rate_in_10hz =
1410        le16_to_cpu(info_v11->lvds_ss_rate_10hz);
1411        info->hdmi_ss_percentage =
1412        le16_to_cpu(info_v11->hdmi_ss_percentage);
1413        info->hdmi_sspread_rate_in_10hz =
1414        le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
1415        info->dvi_ss_percentage =
1416        le16_to_cpu(info_v11->dvi_ss_percentage);
1417        info->dvi_sspread_rate_in_10_hz =
1418        le16_to_cpu(info_v11->dvi_ss_rate_10hz);
1419        info->lvds_misc = info_v11->lvds_misc;
1420        for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
1421                info->ext_disp_conn_info.gu_id[i] =
1422                                info_v11->extdispconninfo.guid[i];
1423        }
1424
1425        for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
1426                info->ext_disp_conn_info.path[i].device_connector_id =
1427                object_id_from_bios_object_id(
1428                le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
1429
1430                info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
1431                object_id_from_bios_object_id(
1432                        le16_to_cpu(
1433                        info_v11->extdispconninfo.path[i].ext_encoder_objid));
1434
1435                info->ext_disp_conn_info.path[i].device_tag =
1436                        le16_to_cpu(
1437                                info_v11->extdispconninfo.path[i].device_tag);
1438                info->ext_disp_conn_info.path[i].device_acpi_enum =
1439                le16_to_cpu(
1440                        info_v11->extdispconninfo.path[i].device_acpi_enum);
1441                info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
1442                        info_v11->extdispconninfo.path[i].auxddclut_index;
1443                info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
1444                        info_v11->extdispconninfo.path[i].hpdlut_index;
1445                info->ext_disp_conn_info.path[i].channel_mapping.raw =
1446                        info_v11->extdispconninfo.path[i].channelmapping;
1447                info->ext_disp_conn_info.path[i].caps =
1448                                le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
1449        }
1450        info->ext_disp_conn_info.checksum =
1451        info_v11->extdispconninfo.checksum;
1452
1453        info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
1454        info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
1455        for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
1456                info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
1457                                info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1458                info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
1459                                info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1460        }
1461        info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
1462        for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
1463                info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1464                                info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1465                info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1466                                info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1467        }
1468
1469        info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
1470        info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
1471        for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
1472                info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
1473                                info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1474                info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
1475                                info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1476        }
1477        info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
1478        for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
1479                info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1480                                info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1481                info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1482                                info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1483        }
1484
1485        info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
1486        info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
1487        for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
1488                info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
1489                                info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1490                info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
1491                                info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1492        }
1493        info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
1494        for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
1495                info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1496                                info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1497                info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1498                                info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1499        }
1500
1501        info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
1502        info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
1503        for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
1504                info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
1505                                info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
1506                info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
1507                                info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
1508        }
1509        info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
1510        for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
1511                info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
1512                                info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
1513                info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
1514                                info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
1515        }
1516
1517
1518        /** TODO - review **/
1519        #if 0
1520        info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
1521                                                                        * 10;
1522        info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
1523        info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
1524
1525        for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1526                /* Convert [10KHz] into [KHz] */
1527                info->disp_clk_voltage[i].max_supported_clk =
1528                le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
1529                        ulMaximumSupportedCLK) * 10;
1530                info->disp_clk_voltage[i].voltage_index =
1531                le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
1532        }
1533
1534        info->boot_up_req_display_vector =
1535                        le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
1536        info->boot_up_nb_voltage =
1537                        le16_to_cpu(info_v11->usBootUpNBVoltage);
1538        info->ext_disp_conn_info_offset =
1539                        le16_to_cpu(info_v11->usExtDispConnInfoOffset);
1540        info->gmc_restore_reset_time =
1541                        le32_to_cpu(info_v11->ulGMCRestoreResetTime);
1542        info->minimum_n_clk =
1543                        le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
1544        for (i = 1; i < 4; ++i)
1545                info->minimum_n_clk =
1546                                info->minimum_n_clk <
1547                                le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
1548                                info->minimum_n_clk : le32_to_cpu(
1549                                        info_v11->ulNbpStateNClkFreq[i]);
1550
1551        info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
1552        info->ddr_dll_power_up_time =
1553            le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
1554        info->ddr_pll_power_up_time =
1555                le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
1556        info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
1557        info->max_lvds_pclk_freq_in_single_link =
1558                le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1559        info->max_lvds_pclk_freq_in_single_link =
1560                le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
1561        info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
1562                info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
1563        info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
1564                info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
1565        info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
1566                info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
1567        info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
1568                info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
1569        info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
1570                info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
1571        info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
1572                info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
1573        info->lvds_off_to_on_delay_in_4ms =
1574                info_v11->ucLVDSOffToOnDelay_in4Ms;
1575        info->lvds_bit_depth_control_val =
1576                le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
1577
1578        for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
1579                /* Convert [10KHz] into [KHz] */
1580                info->avail_s_clk[i].supported_s_clk =
1581                        le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
1582                                                                        * 10;
1583                info->avail_s_clk[i].voltage_index =
1584                        le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
1585                info->avail_s_clk[i].voltage_id =
1586                        le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
1587        }
1588        #endif /* TODO*/
1589
1590        return BP_RESULT_OK;
1591}
1592
1593
1594/*
1595 * construct_integrated_info
1596 *
1597 * @brief
1598 * Get integrated BIOS information based on table revision
1599 *
1600 * @param
1601 * bios_parser *bp - [in]BIOS parser handler to get master data table
1602 * integrated_info *info - [out] store and output integrated info
1603 *
1604 * @return
1605 * enum bp_result - BP_RESULT_OK if information is available,
1606 *                  BP_RESULT_BADBIOSTABLE otherwise.
1607 */
1608static enum bp_result construct_integrated_info(
1609        struct bios_parser *bp,
1610        struct integrated_info *info)
1611{
1612        enum bp_result result = BP_RESULT_BADBIOSTABLE;
1613
1614        struct atom_common_table_header *header;
1615        struct atom_data_revision revision;
1616
1617        struct clock_voltage_caps temp = {0, 0};
1618        uint32_t i;
1619        uint32_t j;
1620
1621        if (info && DATA_TABLES(integratedsysteminfo)) {
1622                header = GET_IMAGE(struct atom_common_table_header,
1623                                        DATA_TABLES(integratedsysteminfo));
1624
1625                get_atom_data_table_revision(header, &revision);
1626
1627                /* Don't need to check major revision as they are all 1 */
1628                switch (revision.minor) {
1629                case 11:
1630                        result = get_integrated_info_v11(bp, info);
1631                        break;
1632                default:
1633                        return result;
1634                }
1635        }
1636
1637        if (result != BP_RESULT_OK)
1638                return result;
1639
1640        /* Sort voltage table from low to high*/
1641        for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
1642                for (j = i; j > 0; --j) {
1643                        if (info->disp_clk_voltage[j].max_supported_clk <
1644                                info->disp_clk_voltage[j-1].max_supported_clk
1645                                ) {
1646                                /* swap j and j - 1*/
1647                                temp = info->disp_clk_voltage[j-1];
1648                                info->disp_clk_voltage[j-1] =
1649                                        info->disp_clk_voltage[j];
1650                                info->disp_clk_voltage[j] = temp;
1651                        }
1652                }
1653        }
1654
1655        return result;
1656}
1657
1658static struct integrated_info *bios_parser_create_integrated_info(
1659        struct dc_bios *dcb)
1660{
1661        struct bios_parser *bp = BP_FROM_DCB(dcb);
1662        struct integrated_info *info = NULL;
1663
1664        info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
1665
1666        if (info == NULL) {
1667                ASSERT_CRITICAL(0);
1668                return NULL;
1669        }
1670
1671        if (construct_integrated_info(bp, info) == BP_RESULT_OK)
1672                return info;
1673
1674        kfree(info);
1675
1676        return NULL;
1677}
1678
1679static enum bp_result update_slot_layout_info(
1680        struct dc_bios *dcb,
1681        unsigned int i,
1682        struct slot_layout_info *slot_layout_info)
1683{
1684        unsigned int record_offset;
1685        unsigned int j;
1686        struct atom_display_object_path_v2 *object;
1687        struct atom_bracket_layout_record *record;
1688        struct atom_common_record_header *record_header;
1689        enum bp_result result;
1690        struct bios_parser *bp;
1691        struct object_info_table *tbl;
1692        struct display_object_info_table_v1_4 *v1_4;
1693
1694        record = NULL;
1695        record_header = NULL;
1696        result = BP_RESULT_NORECORD;
1697
1698        bp = BP_FROM_DCB(dcb);
1699        tbl = &bp->object_info_tbl;
1700        v1_4 = tbl->v1_4;
1701
1702        object = &v1_4->display_path[i];
1703        record_offset = (unsigned int)
1704                (object->disp_recordoffset) +
1705                (unsigned int)(bp->object_info_tbl_offset);
1706
1707        for (;;) {
1708
1709                record_header = (struct atom_common_record_header *)
1710                        GET_IMAGE(struct atom_common_record_header,
1711                        record_offset);
1712                if (record_header == NULL) {
1713                        result = BP_RESULT_BADBIOSTABLE;
1714                        break;
1715                }
1716
1717                /* the end of the list */
1718                if (record_header->record_type == 0xff ||
1719                        record_header->record_size == 0)        {
1720                        break;
1721                }
1722
1723                if (record_header->record_type ==
1724                        ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
1725                        sizeof(struct atom_bracket_layout_record)
1726                        <= record_header->record_size) {
1727                        record = (struct atom_bracket_layout_record *)
1728                                (record_header);
1729                        result = BP_RESULT_OK;
1730                        break;
1731                }
1732
1733                record_offset += record_header->record_size;
1734        }
1735
1736        /* return if the record not found */
1737        if (result != BP_RESULT_OK)
1738                return result;
1739
1740        /* get slot sizes */
1741        slot_layout_info->length = record->bracketlen;
1742        slot_layout_info->width = record->bracketwidth;
1743
1744        /* get info for each connector in the slot */
1745        slot_layout_info->num_of_connectors = record->conn_num;
1746        for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
1747                slot_layout_info->connectors[j].connector_type =
1748                        (enum connector_layout_type)
1749                        (record->conn_info[j].connector_type);
1750                switch (record->conn_info[j].connector_type) {
1751                case CONNECTOR_TYPE_DVI_D:
1752                        slot_layout_info->connectors[j].connector_type =
1753                                CONNECTOR_LAYOUT_TYPE_DVI_D;
1754                        slot_layout_info->connectors[j].length =
1755                                CONNECTOR_SIZE_DVI;
1756                        break;
1757
1758                case CONNECTOR_TYPE_HDMI:
1759                        slot_layout_info->connectors[j].connector_type =
1760                                CONNECTOR_LAYOUT_TYPE_HDMI;
1761                        slot_layout_info->connectors[j].length =
1762                                CONNECTOR_SIZE_HDMI;
1763                        break;
1764
1765                case CONNECTOR_TYPE_DISPLAY_PORT:
1766                        slot_layout_info->connectors[j].connector_type =
1767                                CONNECTOR_LAYOUT_TYPE_DP;
1768                        slot_layout_info->connectors[j].length =
1769                                CONNECTOR_SIZE_DP;
1770                        break;
1771
1772                case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
1773                        slot_layout_info->connectors[j].connector_type =
1774                                CONNECTOR_LAYOUT_TYPE_MINI_DP;
1775                        slot_layout_info->connectors[j].length =
1776                                CONNECTOR_SIZE_MINI_DP;
1777                        break;
1778
1779                default:
1780                        slot_layout_info->connectors[j].connector_type =
1781                                CONNECTOR_LAYOUT_TYPE_UNKNOWN;
1782                        slot_layout_info->connectors[j].length =
1783                                CONNECTOR_SIZE_UNKNOWN;
1784                }
1785
1786                slot_layout_info->connectors[j].position =
1787                        record->conn_info[j].position;
1788                slot_layout_info->connectors[j].connector_id =
1789                        object_id_from_bios_object_id(
1790                                record->conn_info[j].connectorobjid);
1791        }
1792        return result;
1793}
1794
1795
1796static enum bp_result get_bracket_layout_record(
1797        struct dc_bios *dcb,
1798        unsigned int bracket_layout_id,
1799        struct slot_layout_info *slot_layout_info)
1800{
1801        unsigned int i;
1802        struct bios_parser *bp = BP_FROM_DCB(dcb);
1803        enum bp_result result;
1804        struct object_info_table *tbl;
1805        struct display_object_info_table_v1_4 *v1_4;
1806
1807        if (slot_layout_info == NULL) {
1808                DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
1809                return BP_RESULT_BADINPUT;
1810        }
1811        tbl = &bp->object_info_tbl;
1812        v1_4 = tbl->v1_4;
1813
1814        result = BP_RESULT_NORECORD;
1815        for (i = 0; i < v1_4->number_of_path; ++i)      {
1816
1817                if (bracket_layout_id ==
1818                        v1_4->display_path[i].display_objid) {
1819                        result = update_slot_layout_info(dcb, i,
1820                                slot_layout_info);
1821                        break;
1822                }
1823        }
1824        return result;
1825}
1826
1827static enum bp_result bios_get_board_layout_info(
1828        struct dc_bios *dcb,
1829        struct board_layout_info *board_layout_info)
1830{
1831        unsigned int i;
1832        struct bios_parser *bp;
1833        enum bp_result record_result;
1834
1835        const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
1836                GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
1837                GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
1838                0, 0
1839        };
1840
1841        bp = BP_FROM_DCB(dcb);
1842        if (board_layout_info == NULL) {
1843                DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
1844                return BP_RESULT_BADINPUT;
1845        }
1846
1847        board_layout_info->num_of_slots = 0;
1848
1849        for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
1850                record_result = get_bracket_layout_record(dcb,
1851                        slot_index_to_vbios_id[i],
1852                        &board_layout_info->slots[i]);
1853
1854                if (record_result == BP_RESULT_NORECORD && i > 0)
1855                        break; /* no more slots present in bios */
1856                else if (record_result != BP_RESULT_OK)
1857                        return record_result;  /* fail */
1858
1859                ++board_layout_info->num_of_slots;
1860        }
1861
1862        /* all data is valid */
1863        board_layout_info->is_number_of_slots_valid = 1;
1864        board_layout_info->is_slots_size_valid = 1;
1865        board_layout_info->is_connector_offsets_valid = 1;
1866        board_layout_info->is_connector_lengths_valid = 1;
1867
1868        return BP_RESULT_OK;
1869}
1870
1871static const struct dc_vbios_funcs vbios_funcs = {
1872        .get_connectors_number = bios_parser_get_connectors_number,
1873
1874        .get_connector_id = bios_parser_get_connector_id,
1875
1876        .get_src_obj = bios_parser_get_src_obj,
1877
1878        .get_i2c_info = bios_parser_get_i2c_info,
1879
1880        .get_hpd_info = bios_parser_get_hpd_info,
1881
1882        .get_device_tag = bios_parser_get_device_tag,
1883
1884        .get_firmware_info = bios_parser_get_firmware_info,
1885
1886        .get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
1887
1888        .get_ss_entry_number = bios_parser_get_ss_entry_number,
1889
1890        .get_embedded_panel_info = bios_parser_get_embedded_panel_info,
1891
1892        .get_gpio_pin_info = bios_parser_get_gpio_pin_info,
1893
1894        .get_encoder_cap_info = bios_parser_get_encoder_cap_info,
1895
1896        .is_device_id_supported = bios_parser_is_device_id_supported,
1897
1898        .is_accelerated_mode = bios_parser_is_accelerated_mode,
1899
1900        .set_scratch_critical_state = bios_parser_set_scratch_critical_state,
1901
1902
1903/*       COMMANDS */
1904        .encoder_control = bios_parser_encoder_control,
1905
1906        .transmitter_control = bios_parser_transmitter_control,
1907
1908        .enable_crtc = bios_parser_enable_crtc,
1909
1910        .set_pixel_clock = bios_parser_set_pixel_clock,
1911
1912        .set_dce_clock = bios_parser_set_dce_clock,
1913
1914        .program_crtc_timing = bios_parser_program_crtc_timing,
1915
1916        .enable_disp_power_gating = bios_parser_enable_disp_power_gating,
1917
1918        .bios_parser_destroy = firmware_parser_destroy,
1919
1920        .get_board_layout_info = bios_get_board_layout_info,
1921};
1922
1923static bool bios_parser_construct(
1924        struct bios_parser *bp,
1925        struct bp_init_data *init,
1926        enum dce_version dce_version)
1927{
1928        uint16_t *rom_header_offset = NULL;
1929        struct atom_rom_header_v2_2 *rom_header = NULL;
1930        struct display_object_info_table_v1_4 *object_info_tbl;
1931        struct atom_data_revision tbl_rev = {0};
1932
1933        if (!init)
1934                return false;
1935
1936        if (!init->bios)
1937                return false;
1938
1939        bp->base.funcs = &vbios_funcs;
1940        bp->base.bios = init->bios;
1941        bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
1942
1943        bp->base.ctx = init->ctx;
1944
1945        bp->base.bios_local_image = NULL;
1946
1947        rom_header_offset =
1948                        GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
1949
1950        if (!rom_header_offset)
1951                return false;
1952
1953        rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
1954
1955        if (!rom_header)
1956                return false;
1957
1958        get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
1959        if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
1960                return false;
1961
1962        bp->master_data_tbl =
1963                GET_IMAGE(struct atom_master_data_table_v2_1,
1964                                rom_header->masterdatatable_offset);
1965
1966        if (!bp->master_data_tbl)
1967                return false;
1968
1969        bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
1970
1971        if (!bp->object_info_tbl_offset)
1972                return false;
1973
1974        object_info_tbl =
1975                        GET_IMAGE(struct display_object_info_table_v1_4,
1976                                                bp->object_info_tbl_offset);
1977
1978        if (!object_info_tbl)
1979                return false;
1980
1981        get_atom_data_table_revision(&object_info_tbl->table_header,
1982                &bp->object_info_tbl.revision);
1983
1984        if (bp->object_info_tbl.revision.major == 1
1985                && bp->object_info_tbl.revision.minor >= 4) {
1986                struct display_object_info_table_v1_4 *tbl_v1_4;
1987
1988                tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
1989                        bp->object_info_tbl_offset);
1990                if (!tbl_v1_4)
1991                        return false;
1992
1993                bp->object_info_tbl.v1_4 = tbl_v1_4;
1994        } else
1995                return false;
1996
1997        dal_firmware_parser_init_cmd_tbl(bp);
1998        dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
1999
2000        bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
2001
2002        return true;
2003}
2004
2005struct dc_bios *firmware_parser_create(
2006        struct bp_init_data *init,
2007        enum dce_version dce_version)
2008{
2009        struct bios_parser *bp = NULL;
2010
2011        bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
2012        if (!bp)
2013                return NULL;
2014
2015        if (bios_parser_construct(bp, init, dce_version))
2016                return &bp->base;
2017
2018        kfree(bp);
2019        return NULL;
2020}
2021
2022
2023