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