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0001 /*
0002  * Copyright 2012-15 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Authors: AMD
0023  *
0024  */
0025 
0026 #include "dm_services.h"
0027 
0028 #include "ObjectID.h"
0029 #include "atomfirmware.h"
0030 
0031 #include "dc_bios_types.h"
0032 #include "include/grph_object_ctrl_defs.h"
0033 #include "include/bios_parser_interface.h"
0034 #include "include/i2caux_interface.h"
0035 #include "include/logger_interface.h"
0036 
0037 #include "command_table2.h"
0038 
0039 #include "bios_parser_helper.h"
0040 #include "command_table_helper2.h"
0041 #include "bios_parser2.h"
0042 #include "bios_parser_types_internal2.h"
0043 #include "bios_parser_interface.h"
0044 
0045 #include "bios_parser_common.h"
0046 
0047 /* Temporarily add in defines until ObjectID.h patch is updated in a few days */
0048 #ifndef GENERIC_OBJECT_ID_BRACKET_LAYOUT
0049 #define GENERIC_OBJECT_ID_BRACKET_LAYOUT          0x05
0050 #endif /* GENERIC_OBJECT_ID_BRACKET_LAYOUT */
0051 
0052 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1
0053 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1   \
0054     (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
0055     GRAPH_OBJECT_ENUM_ID1 << ENUM_ID_SHIFT |\
0056     GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
0057 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1 */
0058 
0059 #ifndef GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2
0060 #define GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2   \
0061     (GRAPH_OBJECT_TYPE_GENERIC << OBJECT_TYPE_SHIFT |\
0062     GRAPH_OBJECT_ENUM_ID2 << ENUM_ID_SHIFT |\
0063     GENERIC_OBJECT_ID_BRACKET_LAYOUT << OBJECT_ID_SHIFT)
0064 #endif /* GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2 */
0065 
0066 #define DC_LOGGER \
0067     bp->base.ctx->logger
0068 
0069 #define LAST_RECORD_TYPE 0xff
0070 #define SMU9_SYSPLL0_ID  0
0071 
0072 struct i2c_id_config_access {
0073     uint8_t bfI2C_LineMux:4;
0074     uint8_t bfHW_EngineID:3;
0075     uint8_t bfHW_Capable:1;
0076     uint8_t ucAccess;
0077 };
0078 
0079 static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
0080     struct atom_i2c_record *record,
0081     struct graphics_object_i2c_info *info);
0082 
0083 static enum bp_result bios_parser_get_firmware_info(
0084     struct dc_bios *dcb,
0085     struct dc_firmware_info *info);
0086 
0087 static enum bp_result bios_parser_get_encoder_cap_info(
0088     struct dc_bios *dcb,
0089     struct graphics_object_id object_id,
0090     struct bp_encoder_cap_info *info);
0091 
0092 static enum bp_result get_firmware_info_v3_1(
0093     struct bios_parser *bp,
0094     struct dc_firmware_info *info);
0095 
0096 static enum bp_result get_firmware_info_v3_2(
0097     struct bios_parser *bp,
0098     struct dc_firmware_info *info);
0099 
0100 static enum bp_result get_firmware_info_v3_4(
0101     struct bios_parser *bp,
0102     struct dc_firmware_info *info);
0103 
0104 static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
0105         struct atom_display_object_path_v2 *object);
0106 
0107 static struct atom_encoder_caps_record *get_encoder_cap_record(
0108     struct bios_parser *bp,
0109     struct atom_display_object_path_v2 *object);
0110 
0111 #define BIOS_IMAGE_SIZE_OFFSET 2
0112 #define BIOS_IMAGE_SIZE_UNIT 512
0113 
0114 #define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)
0115 
0116 static void bios_parser2_destruct(struct bios_parser *bp)
0117 {
0118     kfree(bp->base.bios_local_image);
0119     kfree(bp->base.integrated_info);
0120 }
0121 
0122 static void firmware_parser_destroy(struct dc_bios **dcb)
0123 {
0124     struct bios_parser *bp = BP_FROM_DCB(*dcb);
0125 
0126     if (!bp) {
0127         BREAK_TO_DEBUGGER();
0128         return;
0129     }
0130 
0131     bios_parser2_destruct(bp);
0132 
0133     kfree(bp);
0134     *dcb = NULL;
0135 }
0136 
0137 static void get_atom_data_table_revision(
0138     struct atom_common_table_header *atom_data_tbl,
0139     struct atom_data_revision *tbl_revision)
0140 {
0141     if (!tbl_revision)
0142         return;
0143 
0144     /* initialize the revision to 0 which is invalid revision */
0145     tbl_revision->major = 0;
0146     tbl_revision->minor = 0;
0147 
0148     if (!atom_data_tbl)
0149         return;
0150 
0151     tbl_revision->major =
0152             (uint32_t) atom_data_tbl->format_revision & 0x3f;
0153     tbl_revision->minor =
0154             (uint32_t) atom_data_tbl->content_revision & 0x3f;
0155 }
0156 
0157 /* BIOS oject table displaypath is per connector.
0158  * There is extra path not for connector. BIOS fill its encoderid as 0
0159  */
0160 static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
0161 {
0162     struct bios_parser *bp = BP_FROM_DCB(dcb);
0163     unsigned int count = 0;
0164     unsigned int i;
0165 
0166     switch (bp->object_info_tbl.revision.minor) {
0167     default:
0168     case 4:
0169         for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++)
0170             if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
0171                 count++;
0172 
0173         break;
0174 
0175     case 5:
0176         for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++)
0177             if (bp->object_info_tbl.v1_5->display_path[i].encoderobjid != 0)
0178                 count++;
0179 
0180         break;
0181     }
0182     return count;
0183 }
0184 
0185 static struct graphics_object_id bios_parser_get_connector_id(
0186     struct dc_bios *dcb,
0187     uint8_t i)
0188 {
0189     struct bios_parser *bp = BP_FROM_DCB(dcb);
0190     struct graphics_object_id object_id = dal_graphics_object_id_init(
0191         0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
0192     struct object_info_table *tbl = &bp->object_info_tbl;
0193     struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;
0194 
0195     struct display_object_info_table_v1_5 *v1_5 = tbl->v1_5;
0196 
0197     switch (bp->object_info_tbl.revision.minor) {
0198     default:
0199     case 4:
0200         if (v1_4->number_of_path > i) {
0201             /* If display_objid is generic object id,  the encoderObj
0202              * /extencoderobjId should be 0
0203              */
0204             if (v1_4->display_path[i].encoderobjid != 0 &&
0205                 v1_4->display_path[i].display_objid != 0)
0206                 object_id = object_id_from_bios_object_id(
0207                     v1_4->display_path[i].display_objid);
0208         }
0209         break;
0210 
0211     case 5:
0212         if (v1_5->number_of_path > i) {
0213             /* If display_objid is generic object id,  the encoderObjId
0214          * should be 0
0215          */
0216             if (v1_5->display_path[i].encoderobjid != 0 &&
0217                 v1_5->display_path[i].display_objid != 0)
0218                 object_id = object_id_from_bios_object_id(
0219                     v1_5->display_path[i].display_objid);
0220         }
0221         break;
0222     }
0223     return object_id;
0224 }
0225 
0226 static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
0227     struct graphics_object_id object_id, uint32_t index,
0228     struct graphics_object_id *src_object_id)
0229 {
0230     struct bios_parser *bp = BP_FROM_DCB(dcb);
0231     unsigned int i;
0232     enum bp_result bp_result = BP_RESULT_BADINPUT;
0233     struct graphics_object_id obj_id = { 0 };
0234     struct object_info_table *tbl = &bp->object_info_tbl;
0235 
0236     if (!src_object_id)
0237         return bp_result;
0238 
0239     switch (object_id.type) {
0240     /* Encoder's Source is GPU.  BIOS does not provide GPU, since all
0241      * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
0242      */
0243     case OBJECT_TYPE_ENCODER:
0244         /* TODO: since num of src must be less than 2.
0245          * If found in for loop, should break.
0246          * DAL2 implementation may be changed too
0247          */
0248         switch (bp->object_info_tbl.revision.minor) {
0249         default:
0250         case 4:
0251             for (i = 0; i < tbl->v1_4->number_of_path; i++) {
0252                 obj_id = object_id_from_bios_object_id(
0253                     tbl->v1_4->display_path[i].encoderobjid);
0254                 if (object_id.type == obj_id.type &&
0255                     object_id.id == obj_id.id &&
0256                     object_id.enum_id == obj_id.enum_id) {
0257                     *src_object_id =
0258                         object_id_from_bios_object_id(
0259                             0x1100);
0260                     /* break; */
0261                 }
0262             }
0263             bp_result = BP_RESULT_OK;
0264             break;
0265 
0266         case 5:
0267             for (i = 0; i < tbl->v1_5->number_of_path; i++) {
0268                 obj_id = object_id_from_bios_object_id(
0269                     tbl->v1_5->display_path[i].encoderobjid);
0270                 if (object_id.type == obj_id.type &&
0271                     object_id.id == obj_id.id &&
0272                     object_id.enum_id == obj_id.enum_id) {
0273                     *src_object_id =
0274                         object_id_from_bios_object_id(
0275                             0x1100);
0276                     /* break; */
0277                 }
0278             }
0279             bp_result = BP_RESULT_OK;
0280             break;
0281         }
0282         break;
0283     case OBJECT_TYPE_CONNECTOR:
0284         switch (bp->object_info_tbl.revision.minor) {
0285         default:
0286         case 4:
0287             for (i = 0; i < tbl->v1_4->number_of_path; i++) {
0288                 obj_id = object_id_from_bios_object_id(
0289                     tbl->v1_4->display_path[i]
0290                         .display_objid);
0291 
0292                 if (object_id.type == obj_id.type &&
0293                     object_id.id == obj_id.id &&
0294                     object_id.enum_id == obj_id.enum_id) {
0295                     *src_object_id =
0296                         object_id_from_bios_object_id(
0297                             tbl->v1_4
0298                                 ->display_path[i]
0299                                 .encoderobjid);
0300                     /* break; */
0301                 }
0302             }
0303             bp_result = BP_RESULT_OK;
0304             break;
0305         }
0306         bp_result = BP_RESULT_OK;
0307         break;
0308         case 5:
0309             for (i = 0; i < tbl->v1_5->number_of_path; i++) {
0310                 obj_id = object_id_from_bios_object_id(
0311                                        tbl->v1_5->display_path[i].display_objid);
0312 
0313                 if (object_id.type == obj_id.type &&
0314                     object_id.id == obj_id.id &&
0315                     object_id.enum_id == obj_id.enum_id) {
0316                     *src_object_id = object_id_from_bios_object_id(
0317                                                tbl->v1_5->display_path[i].encoderobjid);
0318                     /* break; */
0319                 }
0320             }
0321         bp_result = BP_RESULT_OK;
0322         break;
0323 
0324     default:
0325         bp_result = BP_RESULT_OK;
0326         break;
0327     }
0328 
0329     return bp_result;
0330 }
0331 
0332 /* from graphics_object_id, find display path which includes the object_id */
0333 static struct atom_display_object_path_v2 *get_bios_object(
0334         struct bios_parser *bp,
0335         struct graphics_object_id id)
0336 {
0337     unsigned int i;
0338     struct graphics_object_id obj_id = {0};
0339 
0340     switch (id.type) {
0341     case OBJECT_TYPE_ENCODER:
0342         for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
0343             obj_id = object_id_from_bios_object_id(
0344                     bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
0345             if (id.type == obj_id.type && id.id == obj_id.id
0346                     && id.enum_id == obj_id.enum_id)
0347                 return &bp->object_info_tbl.v1_4->display_path[i];
0348         }
0349         fallthrough;
0350     case OBJECT_TYPE_CONNECTOR:
0351     case OBJECT_TYPE_GENERIC:
0352         /* Both Generic and Connector Object ID
0353          * will be stored on display_objid
0354          */
0355         for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
0356             obj_id = object_id_from_bios_object_id(
0357                     bp->object_info_tbl.v1_4->display_path[i].display_objid);
0358             if (id.type == obj_id.type && id.id == obj_id.id
0359                     && id.enum_id == obj_id.enum_id)
0360                 return &bp->object_info_tbl.v1_4->display_path[i];
0361         }
0362         fallthrough;
0363     default:
0364         return NULL;
0365     }
0366 }
0367 
0368 /* from graphics_object_id, find display path which includes the object_id */
0369 static struct atom_display_object_path_v3 *get_bios_object_from_path_v3(
0370     struct bios_parser *bp,
0371     struct graphics_object_id id)
0372 {
0373     unsigned int i;
0374     struct graphics_object_id obj_id = {0};
0375 
0376     switch (id.type) {
0377     case OBJECT_TYPE_ENCODER:
0378         for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
0379             obj_id = object_id_from_bios_object_id(
0380                     bp->object_info_tbl.v1_5->display_path[i].encoderobjid);
0381             if (id.type == obj_id.type && id.id == obj_id.id
0382                     && id.enum_id == obj_id.enum_id)
0383                 return &bp->object_info_tbl.v1_5->display_path[i];
0384         }
0385         break;
0386 
0387     case OBJECT_TYPE_CONNECTOR:
0388     case OBJECT_TYPE_GENERIC:
0389         /* Both Generic and Connector Object ID
0390          * will be stored on display_objid
0391          */
0392         for (i = 0; i < bp->object_info_tbl.v1_5->number_of_path; i++) {
0393             obj_id = object_id_from_bios_object_id(
0394                     bp->object_info_tbl.v1_5->display_path[i].display_objid);
0395             if (id.type == obj_id.type && id.id == obj_id.id
0396                     && id.enum_id == obj_id.enum_id)
0397                 return &bp->object_info_tbl.v1_5->display_path[i];
0398         }
0399         break;
0400 
0401     default:
0402         return NULL;
0403     }
0404 
0405     return NULL;
0406 }
0407 
0408 static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
0409     struct graphics_object_id id,
0410     struct graphics_object_i2c_info *info)
0411 {
0412     uint32_t offset;
0413     struct atom_display_object_path_v2 *object;
0414 
0415     struct atom_display_object_path_v3 *object_path_v3;
0416 
0417     struct atom_common_record_header *header;
0418     struct atom_i2c_record *record;
0419     struct atom_i2c_record dummy_record = {0};
0420     struct bios_parser *bp = BP_FROM_DCB(dcb);
0421 
0422     if (!info)
0423         return BP_RESULT_BADINPUT;
0424 
0425     if (id.type == OBJECT_TYPE_GENERIC) {
0426         dummy_record.i2c_id = id.id;
0427 
0428         if (get_gpio_i2c_info(bp, &dummy_record, info) == BP_RESULT_OK)
0429             return BP_RESULT_OK;
0430         else
0431             return BP_RESULT_NORECORD;
0432     }
0433 
0434     switch (bp->object_info_tbl.revision.minor) {
0435         case 4:
0436         default:
0437             object = get_bios_object(bp, id);
0438 
0439             if (!object)
0440                 return BP_RESULT_BADINPUT;
0441 
0442             offset = object->disp_recordoffset + bp->object_info_tbl_offset;
0443             break;
0444         case 5:
0445         object_path_v3 = get_bios_object_from_path_v3(bp, id);
0446 
0447         if (!object_path_v3)
0448             return BP_RESULT_BADINPUT;
0449 
0450         offset = object_path_v3->disp_recordoffset + bp->object_info_tbl_offset;
0451         break;
0452     }
0453 
0454     for (;;) {
0455         header = GET_IMAGE(struct atom_common_record_header, offset);
0456 
0457         if (!header)
0458             return BP_RESULT_BADBIOSTABLE;
0459 
0460         if (header->record_type == LAST_RECORD_TYPE ||
0461             !header->record_size)
0462             break;
0463 
0464         if (header->record_type == ATOM_I2C_RECORD_TYPE
0465             && sizeof(struct atom_i2c_record) <=
0466                             header->record_size) {
0467             /* get the I2C info */
0468             record = (struct atom_i2c_record *) header;
0469 
0470             if (get_gpio_i2c_info(bp, record, info) ==
0471                                 BP_RESULT_OK)
0472                 return BP_RESULT_OK;
0473         }
0474 
0475         offset += header->record_size;
0476     }
0477 
0478     return BP_RESULT_NORECORD;
0479 }
0480 
0481 static enum bp_result get_gpio_i2c_info(
0482     struct bios_parser *bp,
0483     struct atom_i2c_record *record,
0484     struct graphics_object_i2c_info *info)
0485 {
0486     struct atom_gpio_pin_lut_v2_1 *header;
0487     uint32_t count = 0;
0488     unsigned int table_index = 0;
0489     bool find_valid = false;
0490 
0491     if (!info)
0492         return BP_RESULT_BADINPUT;
0493 
0494     /* get the GPIO_I2C info */
0495     if (!DATA_TABLES(gpio_pin_lut))
0496         return BP_RESULT_BADBIOSTABLE;
0497 
0498     header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
0499                     DATA_TABLES(gpio_pin_lut));
0500     if (!header)
0501         return BP_RESULT_BADBIOSTABLE;
0502 
0503     if (sizeof(struct atom_common_table_header) +
0504             sizeof(struct atom_gpio_pin_assignment) >
0505             le16_to_cpu(header->table_header.structuresize))
0506         return BP_RESULT_BADBIOSTABLE;
0507 
0508     /* TODO: is version change? */
0509     if (header->table_header.content_revision != 1)
0510         return BP_RESULT_UNSUPPORTED;
0511 
0512     /* get data count */
0513     count = (le16_to_cpu(header->table_header.structuresize)
0514             - sizeof(struct atom_common_table_header))
0515                 / sizeof(struct atom_gpio_pin_assignment);
0516 
0517     for (table_index = 0; table_index < count; table_index++) {
0518         if (((record->i2c_id & I2C_HW_CAP) == (
0519         header->gpio_pin[table_index].gpio_id &
0520                         I2C_HW_CAP)) &&
0521         ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
0522         (header->gpio_pin[table_index].gpio_id &
0523                     I2C_HW_ENGINE_ID_MASK)) &&
0524         ((record->i2c_id & I2C_HW_LANE_MUX) ==
0525         (header->gpio_pin[table_index].gpio_id &
0526                         I2C_HW_LANE_MUX))) {
0527             /* still valid */
0528             find_valid = true;
0529             break;
0530         }
0531     }
0532 
0533     /* If we don't find the entry that we are looking for then
0534      *  we will return BP_Result_BadBiosTable.
0535      */
0536     if (find_valid == false)
0537         return BP_RESULT_BADBIOSTABLE;
0538 
0539     /* get the GPIO_I2C_INFO */
0540     info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
0541     info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
0542     info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
0543     info->i2c_slave_address = record->i2c_slave_addr;
0544 
0545     /* TODO: check how to get register offset for en, Y, etc. */
0546     info->gpio_info.clk_a_register_index =
0547             le16_to_cpu(
0548             header->gpio_pin[table_index].data_a_reg_index);
0549     info->gpio_info.clk_a_shift =
0550             header->gpio_pin[table_index].gpio_bitshift;
0551 
0552     return BP_RESULT_OK;
0553 }
0554 
0555 static struct atom_hpd_int_record *get_hpd_record_for_path_v3(
0556     struct bios_parser *bp,
0557     struct atom_display_object_path_v3 *object)
0558 {
0559     struct atom_common_record_header *header;
0560     uint32_t offset;
0561 
0562     if (!object) {
0563         BREAK_TO_DEBUGGER(); /* Invalid object */
0564         return NULL;
0565     }
0566 
0567     offset = object->disp_recordoffset + bp->object_info_tbl_offset;
0568 
0569     for (;;) {
0570         header = GET_IMAGE(struct atom_common_record_header, offset);
0571 
0572         if (!header)
0573             return NULL;
0574 
0575         if (header->record_type == ATOM_RECORD_END_TYPE ||
0576             !header->record_size)
0577             break;
0578 
0579         if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
0580             && sizeof(struct atom_hpd_int_record) <=
0581                             header->record_size)
0582             return (struct atom_hpd_int_record *) header;
0583 
0584         offset += header->record_size;
0585     }
0586 
0587     return NULL;
0588 }
0589 
0590 static enum bp_result bios_parser_get_hpd_info(
0591     struct dc_bios *dcb,
0592     struct graphics_object_id id,
0593     struct graphics_object_hpd_info *info)
0594 {
0595     struct bios_parser *bp = BP_FROM_DCB(dcb);
0596     struct atom_display_object_path_v2 *object;
0597     struct atom_display_object_path_v3 *object_path_v3;
0598     struct atom_hpd_int_record *record = NULL;
0599 
0600     if (!info)
0601         return BP_RESULT_BADINPUT;
0602 
0603     switch (bp->object_info_tbl.revision.minor) {
0604         case 4:
0605         default:
0606             object = get_bios_object(bp, id);
0607 
0608         if (!object)
0609             return BP_RESULT_BADINPUT;
0610 
0611             record = get_hpd_record(bp, object);
0612 
0613             break;
0614         case 5:
0615         object_path_v3 = get_bios_object_from_path_v3(bp, id);
0616 
0617         if (!object_path_v3)
0618             return BP_RESULT_BADINPUT;
0619 
0620         record = get_hpd_record_for_path_v3(bp, object_path_v3);
0621         break;
0622     }
0623 
0624     if (record != NULL) {
0625         info->hpd_int_gpio_uid = record->pin_id;
0626         info->hpd_active = record->plugin_pin_state;
0627         return BP_RESULT_OK;
0628     }
0629 
0630     return BP_RESULT_NORECORD;
0631 }
0632 
0633 static struct atom_hpd_int_record *get_hpd_record(
0634     struct bios_parser *bp,
0635     struct atom_display_object_path_v2 *object)
0636 {
0637     struct atom_common_record_header *header;
0638     uint32_t offset;
0639 
0640     if (!object) {
0641         BREAK_TO_DEBUGGER(); /* Invalid object */
0642         return NULL;
0643     }
0644 
0645     offset = le16_to_cpu(object->disp_recordoffset)
0646             + bp->object_info_tbl_offset;
0647 
0648     for (;;) {
0649         header = GET_IMAGE(struct atom_common_record_header, offset);
0650 
0651         if (!header)
0652             return NULL;
0653 
0654         if (header->record_type == LAST_RECORD_TYPE ||
0655             !header->record_size)
0656             break;
0657 
0658         if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
0659             && sizeof(struct atom_hpd_int_record) <=
0660                             header->record_size)
0661             return (struct atom_hpd_int_record *) header;
0662 
0663         offset += header->record_size;
0664     }
0665 
0666     return NULL;
0667 }
0668 
0669 /**
0670  * bios_parser_get_gpio_pin_info
0671  * Get GpioPin information of input gpio id
0672  *
0673  * @dcb:     pointer to the DC BIOS
0674  * @gpio_id: GPIO ID
0675  * @info:    GpioPin information structure
0676  * return: Bios parser result code
0677  * note:
0678  *  to get the GPIO PIN INFO, we need:
0679  *  1. get the GPIO_ID from other object table, see GetHPDInfo()
0680  *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
0681  *  to get the registerA  offset/mask
0682  */
0683 static enum bp_result bios_parser_get_gpio_pin_info(
0684     struct dc_bios *dcb,
0685     uint32_t gpio_id,
0686     struct gpio_pin_info *info)
0687 {
0688     struct bios_parser *bp = BP_FROM_DCB(dcb);
0689     struct atom_gpio_pin_lut_v2_1 *header;
0690     uint32_t count = 0;
0691     uint32_t i = 0;
0692 
0693     if (!DATA_TABLES(gpio_pin_lut))
0694         return BP_RESULT_BADBIOSTABLE;
0695 
0696     header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
0697                         DATA_TABLES(gpio_pin_lut));
0698     if (!header)
0699         return BP_RESULT_BADBIOSTABLE;
0700 
0701     if (sizeof(struct atom_common_table_header) +
0702             sizeof(struct atom_gpio_pin_assignment)
0703             > le16_to_cpu(header->table_header.structuresize))
0704         return BP_RESULT_BADBIOSTABLE;
0705 
0706     if (header->table_header.content_revision != 1)
0707         return BP_RESULT_UNSUPPORTED;
0708 
0709     /* Temporary hard code gpio pin info */
0710     count = (le16_to_cpu(header->table_header.structuresize)
0711             - sizeof(struct atom_common_table_header))
0712                 / sizeof(struct atom_gpio_pin_assignment);
0713     for (i = 0; i < count; ++i) {
0714         if (header->gpio_pin[i].gpio_id != gpio_id)
0715             continue;
0716 
0717         info->offset =
0718             (uint32_t) le16_to_cpu(
0719                     header->gpio_pin[i].data_a_reg_index);
0720         info->offset_y = info->offset + 2;
0721         info->offset_en = info->offset + 1;
0722         info->offset_mask = info->offset - 1;
0723 
0724         info->mask = (uint32_t) (1 <<
0725             header->gpio_pin[i].gpio_bitshift);
0726         info->mask_y = info->mask + 2;
0727         info->mask_en = info->mask + 1;
0728         info->mask_mask = info->mask - 1;
0729 
0730         return BP_RESULT_OK;
0731     }
0732 
0733     return BP_RESULT_NORECORD;
0734 }
0735 
0736 static struct device_id device_type_from_device_id(uint16_t device_id)
0737 {
0738 
0739     struct device_id result_device_id;
0740 
0741     result_device_id.raw_device_tag = device_id;
0742 
0743     switch (device_id) {
0744     case ATOM_DISPLAY_LCD1_SUPPORT:
0745         result_device_id.device_type = DEVICE_TYPE_LCD;
0746         result_device_id.enum_id = 1;
0747         break;
0748 
0749     case ATOM_DISPLAY_LCD2_SUPPORT:
0750         result_device_id.device_type = DEVICE_TYPE_LCD;
0751         result_device_id.enum_id = 2;
0752         break;
0753 
0754     case ATOM_DISPLAY_DFP1_SUPPORT:
0755         result_device_id.device_type = DEVICE_TYPE_DFP;
0756         result_device_id.enum_id = 1;
0757         break;
0758 
0759     case ATOM_DISPLAY_DFP2_SUPPORT:
0760         result_device_id.device_type = DEVICE_TYPE_DFP;
0761         result_device_id.enum_id = 2;
0762         break;
0763 
0764     case ATOM_DISPLAY_DFP3_SUPPORT:
0765         result_device_id.device_type = DEVICE_TYPE_DFP;
0766         result_device_id.enum_id = 3;
0767         break;
0768 
0769     case ATOM_DISPLAY_DFP4_SUPPORT:
0770         result_device_id.device_type = DEVICE_TYPE_DFP;
0771         result_device_id.enum_id = 4;
0772         break;
0773 
0774     case ATOM_DISPLAY_DFP5_SUPPORT:
0775         result_device_id.device_type = DEVICE_TYPE_DFP;
0776         result_device_id.enum_id = 5;
0777         break;
0778 
0779     case ATOM_DISPLAY_DFP6_SUPPORT:
0780         result_device_id.device_type = DEVICE_TYPE_DFP;
0781         result_device_id.enum_id = 6;
0782         break;
0783 
0784     default:
0785         BREAK_TO_DEBUGGER(); /* Invalid device Id */
0786         result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
0787         result_device_id.enum_id = 0;
0788     }
0789     return result_device_id;
0790 }
0791 
0792 static enum bp_result bios_parser_get_device_tag(
0793     struct dc_bios *dcb,
0794     struct graphics_object_id connector_object_id,
0795     uint32_t device_tag_index,
0796     struct connector_device_tag_info *info)
0797 {
0798     struct bios_parser *bp = BP_FROM_DCB(dcb);
0799     struct atom_display_object_path_v2 *object;
0800 
0801     struct atom_display_object_path_v3 *object_path_v3;
0802 
0803 
0804     if (!info)
0805         return BP_RESULT_BADINPUT;
0806 
0807     switch (bp->object_info_tbl.revision.minor) {
0808         case 4:
0809         default:
0810             /* getBiosObject will return MXM object */
0811             object = get_bios_object(bp, connector_object_id);
0812 
0813         if (!object) {
0814             BREAK_TO_DEBUGGER(); /* Invalid object id */
0815             return BP_RESULT_BADINPUT;
0816         }
0817 
0818             info->acpi_device = 0; /* BIOS no longer provides this */
0819             info->dev_id = device_type_from_device_id(object->device_tag);
0820             break;
0821         case 5:
0822         object_path_v3 = get_bios_object_from_path_v3(bp, connector_object_id);
0823 
0824         if (!object_path_v3) {
0825             BREAK_TO_DEBUGGER(); /* Invalid object id */
0826             return BP_RESULT_BADINPUT;
0827         }
0828         info->acpi_device = 0; /* BIOS no longer provides this */
0829         info->dev_id = device_type_from_device_id(object_path_v3->device_tag);
0830         break;
0831     }
0832 
0833     return BP_RESULT_OK;
0834 }
0835 
0836 static enum bp_result get_ss_info_v4_1(
0837     struct bios_parser *bp,
0838     uint32_t id,
0839     uint32_t index,
0840     struct spread_spectrum_info *ss_info)
0841 {
0842     enum bp_result result = BP_RESULT_OK;
0843     struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
0844     struct atom_smu_info_v3_3 *smu_info = NULL;
0845 
0846     if (!ss_info)
0847         return BP_RESULT_BADINPUT;
0848 
0849     if (!DATA_TABLES(dce_info))
0850         return BP_RESULT_BADBIOSTABLE;
0851 
0852     disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
0853                             DATA_TABLES(dce_info));
0854     if (!disp_cntl_tbl)
0855         return BP_RESULT_BADBIOSTABLE;
0856 
0857 
0858     ss_info->type.STEP_AND_DELAY_INFO = false;
0859     ss_info->spread_percentage_divider = 1000;
0860     /* BIOS no longer uses target clock.  Always enable for now */
0861     ss_info->target_clock_range = 0xffffffff;
0862 
0863     switch (id) {
0864     case AS_SIGNAL_TYPE_DVI:
0865         ss_info->spread_spectrum_percentage =
0866                 disp_cntl_tbl->dvi_ss_percentage;
0867         ss_info->spread_spectrum_range =
0868                 disp_cntl_tbl->dvi_ss_rate_10hz * 10;
0869         if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
0870             ss_info->type.CENTER_MODE = true;
0871         break;
0872     case AS_SIGNAL_TYPE_HDMI:
0873         ss_info->spread_spectrum_percentage =
0874                 disp_cntl_tbl->hdmi_ss_percentage;
0875         ss_info->spread_spectrum_range =
0876                 disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
0877         if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
0878             ss_info->type.CENTER_MODE = true;
0879         break;
0880     /* TODO LVDS not support anymore? */
0881     case AS_SIGNAL_TYPE_DISPLAY_PORT:
0882         ss_info->spread_spectrum_percentage =
0883                 disp_cntl_tbl->dp_ss_percentage;
0884         ss_info->spread_spectrum_range =
0885                 disp_cntl_tbl->dp_ss_rate_10hz * 10;
0886         if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
0887             ss_info->type.CENTER_MODE = true;
0888         break;
0889     case AS_SIGNAL_TYPE_GPU_PLL:
0890         /* atom_firmware: DAL only get data from dce_info table.
0891          * if data within smu_info is needed for DAL, VBIOS should
0892          * copy it into dce_info
0893          */
0894         result = BP_RESULT_UNSUPPORTED;
0895         break;
0896     case AS_SIGNAL_TYPE_XGMI:
0897         smu_info =  GET_IMAGE(struct atom_smu_info_v3_3,
0898                       DATA_TABLES(smu_info));
0899         if (!smu_info)
0900             return BP_RESULT_BADBIOSTABLE;
0901 
0902         ss_info->spread_spectrum_percentage =
0903                 smu_info->waflclk_ss_percentage;
0904         ss_info->spread_spectrum_range =
0905                 smu_info->gpuclk_ss_rate_10hz * 10;
0906         if (smu_info->waflclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
0907             ss_info->type.CENTER_MODE = true;
0908         break;
0909     default:
0910         result = BP_RESULT_UNSUPPORTED;
0911     }
0912 
0913     return result;
0914 }
0915 
0916 static enum bp_result get_ss_info_v4_2(
0917     struct bios_parser *bp,
0918     uint32_t id,
0919     uint32_t index,
0920     struct spread_spectrum_info *ss_info)
0921 {
0922     enum bp_result result = BP_RESULT_OK;
0923     struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
0924     struct atom_smu_info_v3_1 *smu_info = NULL;
0925 
0926     if (!ss_info)
0927         return BP_RESULT_BADINPUT;
0928 
0929     if (!DATA_TABLES(dce_info))
0930         return BP_RESULT_BADBIOSTABLE;
0931 
0932     if (!DATA_TABLES(smu_info))
0933         return BP_RESULT_BADBIOSTABLE;
0934 
0935     disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
0936                             DATA_TABLES(dce_info));
0937     if (!disp_cntl_tbl)
0938         return BP_RESULT_BADBIOSTABLE;
0939 
0940     smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
0941     if (!smu_info)
0942         return BP_RESULT_BADBIOSTABLE;
0943 
0944     ss_info->type.STEP_AND_DELAY_INFO = false;
0945     ss_info->spread_percentage_divider = 1000;
0946     /* BIOS no longer uses target clock.  Always enable for now */
0947     ss_info->target_clock_range = 0xffffffff;
0948 
0949     switch (id) {
0950     case AS_SIGNAL_TYPE_DVI:
0951         ss_info->spread_spectrum_percentage =
0952                 disp_cntl_tbl->dvi_ss_percentage;
0953         ss_info->spread_spectrum_range =
0954                 disp_cntl_tbl->dvi_ss_rate_10hz * 10;
0955         if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
0956             ss_info->type.CENTER_MODE = true;
0957         break;
0958     case AS_SIGNAL_TYPE_HDMI:
0959         ss_info->spread_spectrum_percentage =
0960                 disp_cntl_tbl->hdmi_ss_percentage;
0961         ss_info->spread_spectrum_range =
0962                 disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
0963         if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
0964             ss_info->type.CENTER_MODE = true;
0965         break;
0966     /* TODO LVDS not support anymore? */
0967     case AS_SIGNAL_TYPE_DISPLAY_PORT:
0968         ss_info->spread_spectrum_percentage =
0969                 smu_info->gpuclk_ss_percentage;
0970         ss_info->spread_spectrum_range =
0971                 smu_info->gpuclk_ss_rate_10hz * 10;
0972         if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
0973             ss_info->type.CENTER_MODE = true;
0974         break;
0975     case AS_SIGNAL_TYPE_GPU_PLL:
0976         /* atom_firmware: DAL only get data from dce_info table.
0977          * if data within smu_info is needed for DAL, VBIOS should
0978          * copy it into dce_info
0979          */
0980         result = BP_RESULT_UNSUPPORTED;
0981         break;
0982     default:
0983         result = BP_RESULT_UNSUPPORTED;
0984     }
0985 
0986     return result;
0987 }
0988 
0989 static enum bp_result get_ss_info_v4_5(
0990     struct bios_parser *bp,
0991     uint32_t id,
0992     uint32_t index,
0993     struct spread_spectrum_info *ss_info)
0994 {
0995     enum bp_result result = BP_RESULT_OK;
0996     struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
0997 
0998     if (!ss_info)
0999         return BP_RESULT_BADINPUT;
1000 
1001     if (!DATA_TABLES(dce_info))
1002         return BP_RESULT_BADBIOSTABLE;
1003 
1004     disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1005                             DATA_TABLES(dce_info));
1006     if (!disp_cntl_tbl)
1007         return BP_RESULT_BADBIOSTABLE;
1008 
1009     ss_info->type.STEP_AND_DELAY_INFO = false;
1010     ss_info->spread_percentage_divider = 1000;
1011     /* BIOS no longer uses target clock.  Always enable for now */
1012     ss_info->target_clock_range = 0xffffffff;
1013 
1014     switch (id) {
1015     case AS_SIGNAL_TYPE_DVI:
1016         ss_info->spread_spectrum_percentage =
1017                 disp_cntl_tbl->dvi_ss_percentage;
1018         ss_info->spread_spectrum_range =
1019                 disp_cntl_tbl->dvi_ss_rate_10hz * 10;
1020         if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1021             ss_info->type.CENTER_MODE = true;
1022         break;
1023     case AS_SIGNAL_TYPE_HDMI:
1024         ss_info->spread_spectrum_percentage =
1025                 disp_cntl_tbl->hdmi_ss_percentage;
1026         ss_info->spread_spectrum_range =
1027                 disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
1028         if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1029             ss_info->type.CENTER_MODE = true;
1030         break;
1031     case AS_SIGNAL_TYPE_DISPLAY_PORT:
1032         ss_info->spread_spectrum_percentage =
1033                 disp_cntl_tbl->dp_ss_percentage;
1034         ss_info->spread_spectrum_range =
1035                 disp_cntl_tbl->dp_ss_rate_10hz * 10;
1036         if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
1037             ss_info->type.CENTER_MODE = true;
1038         break;
1039     case AS_SIGNAL_TYPE_GPU_PLL:
1040         /* atom_smu_info_v4_0 does not have fields for SS for SMU Display PLL anymore.
1041          * SMU Display PLL supposed to be without spread.
1042          * Better place for it would be in atom_display_controller_info_v4_5 table.
1043          */
1044         result = BP_RESULT_UNSUPPORTED;
1045         break;
1046     default:
1047         result = BP_RESULT_UNSUPPORTED;
1048         break;
1049     }
1050 
1051     return result;
1052 }
1053 
1054 /**
1055  * bios_parser_get_spread_spectrum_info
1056  * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
1057  * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
1058  * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
1059  * ver 3.1,
1060  * there is only one entry for each signal /ss id.  However, there is
1061  * no planning of supporting multiple spread Sprectum entry for EverGreen
1062  * @dcb:     pointer to the DC BIOS
1063  * @signal:  ASSignalType to be converted to info index
1064  * @index:   number of entries that match the converted info index
1065  * @ss_info: sprectrum information structure,
1066  * return: Bios parser result code
1067  */
1068 static enum bp_result bios_parser_get_spread_spectrum_info(
1069     struct dc_bios *dcb,
1070     enum as_signal_type signal,
1071     uint32_t index,
1072     struct spread_spectrum_info *ss_info)
1073 {
1074     struct bios_parser *bp = BP_FROM_DCB(dcb);
1075     enum bp_result result = BP_RESULT_UNSUPPORTED;
1076     struct atom_common_table_header *header;
1077     struct atom_data_revision tbl_revision;
1078 
1079     if (!ss_info) /* check for bad input */
1080         return BP_RESULT_BADINPUT;
1081 
1082     if (!DATA_TABLES(dce_info))
1083         return BP_RESULT_UNSUPPORTED;
1084 
1085     header = GET_IMAGE(struct atom_common_table_header,
1086                         DATA_TABLES(dce_info));
1087     get_atom_data_table_revision(header, &tbl_revision);
1088 
1089     switch (tbl_revision.major) {
1090     case 4:
1091         switch (tbl_revision.minor) {
1092         case 1:
1093             return get_ss_info_v4_1(bp, signal, index, ss_info);
1094         case 2:
1095         case 3:
1096         case 4:
1097             return get_ss_info_v4_2(bp, signal, index, ss_info);
1098         case 5:
1099             return get_ss_info_v4_5(bp, signal, index, ss_info);
1100 
1101         default:
1102             ASSERT(0);
1103             break;
1104         }
1105         break;
1106     default:
1107         break;
1108     }
1109     /* there can not be more then one entry for SS Info table */
1110     return result;
1111 }
1112 
1113 static enum bp_result get_soc_bb_info_v4_4(
1114     struct bios_parser *bp,
1115     struct bp_soc_bb_info *soc_bb_info)
1116 {
1117     enum bp_result result = BP_RESULT_OK;
1118     struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1119 
1120     if (!soc_bb_info)
1121         return BP_RESULT_BADINPUT;
1122 
1123     if (!DATA_TABLES(dce_info))
1124         return BP_RESULT_BADBIOSTABLE;
1125 
1126     if (!DATA_TABLES(smu_info))
1127         return BP_RESULT_BADBIOSTABLE;
1128 
1129     disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_4,
1130                             DATA_TABLES(dce_info));
1131     if (!disp_cntl_tbl)
1132         return BP_RESULT_BADBIOSTABLE;
1133 
1134     soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1135     soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1136     soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1137 
1138     return result;
1139 }
1140 
1141 static enum bp_result get_soc_bb_info_v4_5(
1142     struct bios_parser *bp,
1143     struct bp_soc_bb_info *soc_bb_info)
1144 {
1145     enum bp_result result = BP_RESULT_OK;
1146     struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1147 
1148     if (!soc_bb_info)
1149         return BP_RESULT_BADINPUT;
1150 
1151     if (!DATA_TABLES(dce_info))
1152         return BP_RESULT_BADBIOSTABLE;
1153 
1154     disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_5,
1155                             DATA_TABLES(dce_info));
1156     if (!disp_cntl_tbl)
1157         return BP_RESULT_BADBIOSTABLE;
1158 
1159     soc_bb_info->dram_clock_change_latency_100ns = disp_cntl_tbl->max_mclk_chg_lat;
1160     soc_bb_info->dram_sr_enter_exit_latency_100ns = disp_cntl_tbl->max_sr_enter_exit_lat;
1161     soc_bb_info->dram_sr_exit_latency_100ns = disp_cntl_tbl->max_sr_exit_lat;
1162 
1163     return result;
1164 }
1165 
1166 static enum bp_result bios_parser_get_soc_bb_info(
1167     struct dc_bios *dcb,
1168     struct bp_soc_bb_info *soc_bb_info)
1169 {
1170     struct bios_parser *bp = BP_FROM_DCB(dcb);
1171     enum bp_result result = BP_RESULT_UNSUPPORTED;
1172     struct atom_common_table_header *header;
1173     struct atom_data_revision tbl_revision;
1174 
1175     if (!soc_bb_info) /* check for bad input */
1176         return BP_RESULT_BADINPUT;
1177 
1178     if (!DATA_TABLES(dce_info))
1179         return BP_RESULT_UNSUPPORTED;
1180 
1181     header = GET_IMAGE(struct atom_common_table_header,
1182                         DATA_TABLES(dce_info));
1183     get_atom_data_table_revision(header, &tbl_revision);
1184 
1185     switch (tbl_revision.major) {
1186     case 4:
1187         switch (tbl_revision.minor) {
1188         case 1:
1189         case 2:
1190         case 3:
1191             break;
1192         case 4:
1193             result = get_soc_bb_info_v4_4(bp, soc_bb_info);
1194             break;
1195         case 5:
1196             result = get_soc_bb_info_v4_5(bp, soc_bb_info);
1197             break;
1198         default:
1199             break;
1200         }
1201         break;
1202     default:
1203         break;
1204     }
1205 
1206     return result;
1207 }
1208 
1209 static enum bp_result get_disp_caps_v4_1(
1210     struct bios_parser *bp,
1211     uint8_t *dce_caps)
1212 {
1213     enum bp_result result = BP_RESULT_OK;
1214     struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;
1215 
1216     if (!dce_caps)
1217         return BP_RESULT_BADINPUT;
1218 
1219     if (!DATA_TABLES(dce_info))
1220         return BP_RESULT_BADBIOSTABLE;
1221 
1222     disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_1,
1223                             DATA_TABLES(dce_info));
1224 
1225     if (!disp_cntl_tbl)
1226         return BP_RESULT_BADBIOSTABLE;
1227 
1228     *dce_caps = disp_cntl_tbl->display_caps;
1229 
1230     return result;
1231 }
1232 
1233 static enum bp_result get_disp_caps_v4_2(
1234     struct bios_parser *bp,
1235     uint8_t *dce_caps)
1236 {
1237     enum bp_result result = BP_RESULT_OK;
1238     struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
1239 
1240     if (!dce_caps)
1241         return BP_RESULT_BADINPUT;
1242 
1243     if (!DATA_TABLES(dce_info))
1244         return BP_RESULT_BADBIOSTABLE;
1245 
1246     disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_2,
1247                             DATA_TABLES(dce_info));
1248 
1249     if (!disp_cntl_tbl)
1250         return BP_RESULT_BADBIOSTABLE;
1251 
1252     *dce_caps = disp_cntl_tbl->display_caps;
1253 
1254     return result;
1255 }
1256 
1257 static enum bp_result get_disp_caps_v4_3(
1258     struct bios_parser *bp,
1259     uint8_t *dce_caps)
1260 {
1261     enum bp_result result = BP_RESULT_OK;
1262     struct atom_display_controller_info_v4_3 *disp_cntl_tbl = NULL;
1263 
1264     if (!dce_caps)
1265         return BP_RESULT_BADINPUT;
1266 
1267     if (!DATA_TABLES(dce_info))
1268         return BP_RESULT_BADBIOSTABLE;
1269 
1270     disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_3,
1271                             DATA_TABLES(dce_info));
1272 
1273     if (!disp_cntl_tbl)
1274         return BP_RESULT_BADBIOSTABLE;
1275 
1276     *dce_caps = disp_cntl_tbl->display_caps;
1277 
1278     return result;
1279 }
1280 
1281 static enum bp_result get_disp_caps_v4_4(
1282     struct bios_parser *bp,
1283     uint8_t *dce_caps)
1284 {
1285     enum bp_result result = BP_RESULT_OK;
1286     struct atom_display_controller_info_v4_4 *disp_cntl_tbl = NULL;
1287 
1288     if (!dce_caps)
1289         return BP_RESULT_BADINPUT;
1290 
1291     if (!DATA_TABLES(dce_info))
1292         return BP_RESULT_BADBIOSTABLE;
1293 
1294     disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_4,
1295                             DATA_TABLES(dce_info));
1296 
1297     if (!disp_cntl_tbl)
1298         return BP_RESULT_BADBIOSTABLE;
1299 
1300     *dce_caps = disp_cntl_tbl->display_caps;
1301 
1302     return result;
1303 }
1304 
1305 static enum bp_result get_disp_caps_v4_5(
1306     struct bios_parser *bp,
1307     uint8_t *dce_caps)
1308 {
1309     enum bp_result result = BP_RESULT_OK;
1310     struct atom_display_controller_info_v4_5 *disp_cntl_tbl = NULL;
1311 
1312     if (!dce_caps)
1313         return BP_RESULT_BADINPUT;
1314 
1315     if (!DATA_TABLES(dce_info))
1316         return BP_RESULT_BADBIOSTABLE;
1317 
1318     disp_cntl_tbl = GET_IMAGE(struct atom_display_controller_info_v4_5,
1319                             DATA_TABLES(dce_info));
1320 
1321     if (!disp_cntl_tbl)
1322         return BP_RESULT_BADBIOSTABLE;
1323 
1324     *dce_caps = disp_cntl_tbl->display_caps;
1325 
1326     return result;
1327 }
1328 
1329 static enum bp_result bios_parser_get_lttpr_interop(
1330     struct dc_bios *dcb,
1331     uint8_t *dce_caps)
1332 {
1333     struct bios_parser *bp = BP_FROM_DCB(dcb);
1334     enum bp_result result = BP_RESULT_UNSUPPORTED;
1335     struct atom_common_table_header *header;
1336     struct atom_data_revision tbl_revision;
1337 
1338     if (!DATA_TABLES(dce_info))
1339         return BP_RESULT_UNSUPPORTED;
1340 
1341     header = GET_IMAGE(struct atom_common_table_header,
1342                         DATA_TABLES(dce_info));
1343     get_atom_data_table_revision(header, &tbl_revision);
1344     switch (tbl_revision.major) {
1345     case 4:
1346         switch (tbl_revision.minor) {
1347         case 1:
1348             result = get_disp_caps_v4_1(bp, dce_caps);
1349             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1350             break;
1351         case 2:
1352             result = get_disp_caps_v4_2(bp, dce_caps);
1353             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1354             break;
1355         case 3:
1356             result = get_disp_caps_v4_3(bp, dce_caps);
1357             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1358             break;
1359         case 4:
1360             result = get_disp_caps_v4_4(bp, dce_caps);
1361             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1362             break;
1363         case 5:
1364             result = get_disp_caps_v4_5(bp, dce_caps);
1365             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE);
1366             break;
1367 
1368         default:
1369             break;
1370         }
1371         break;
1372     default:
1373         break;
1374     }
1375 
1376     return result;
1377 }
1378 
1379 static enum bp_result bios_parser_get_lttpr_caps(
1380     struct dc_bios *dcb,
1381     uint8_t *dce_caps)
1382 {
1383     struct bios_parser *bp = BP_FROM_DCB(dcb);
1384     enum bp_result result = BP_RESULT_UNSUPPORTED;
1385     struct atom_common_table_header *header;
1386     struct atom_data_revision tbl_revision;
1387 
1388     if (!DATA_TABLES(dce_info))
1389         return BP_RESULT_UNSUPPORTED;
1390 
1391     header = GET_IMAGE(struct atom_common_table_header,
1392                         DATA_TABLES(dce_info));
1393     get_atom_data_table_revision(header, &tbl_revision);
1394     switch (tbl_revision.major) {
1395     case 4:
1396         switch (tbl_revision.minor) {
1397         case 1:
1398             result = get_disp_caps_v4_1(bp, dce_caps);
1399             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1400             break;
1401         case 2:
1402             result = get_disp_caps_v4_2(bp, dce_caps);
1403             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1404             break;
1405         case 3:
1406             result = get_disp_caps_v4_3(bp, dce_caps);
1407             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1408             break;
1409         case 4:
1410             result = get_disp_caps_v4_4(bp, dce_caps);
1411             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1412             break;
1413         case 5:
1414             result = get_disp_caps_v4_5(bp, dce_caps);
1415             *dce_caps = !!(*dce_caps & DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE);
1416             break;
1417         default:
1418             break;
1419         }
1420         break;
1421     default:
1422         break;
1423     }
1424 
1425     return result;
1426 }
1427 
1428 static enum bp_result get_embedded_panel_info_v2_1(
1429         struct bios_parser *bp,
1430         struct embedded_panel_info *info)
1431 {
1432     struct lcd_info_v2_1 *lvds;
1433 
1434     if (!info)
1435         return BP_RESULT_BADINPUT;
1436 
1437     if (!DATA_TABLES(lcd_info))
1438         return BP_RESULT_UNSUPPORTED;
1439 
1440     lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));
1441 
1442     if (!lvds)
1443         return BP_RESULT_BADBIOSTABLE;
1444 
1445     /* TODO: previous vv1_3, should v2_1 */
1446     if (!((lvds->table_header.format_revision == 2)
1447             && (lvds->table_header.content_revision >= 1)))
1448         return BP_RESULT_UNSUPPORTED;
1449 
1450     memset(info, 0, sizeof(struct embedded_panel_info));
1451 
1452     /* We need to convert from 10KHz units into KHz units */
1453     info->lcd_timing.pixel_clk = le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
1454     /* usHActive does not include borders, according to VBIOS team */
1455     info->lcd_timing.horizontal_addressable = le16_to_cpu(lvds->lcd_timing.h_active);
1456     /* usHBlanking_Time includes borders, so we should really be
1457      * subtractingborders duing this translation, but LVDS generally
1458      * doesn't have borders, so we should be okay leaving this as is for
1459      * now.  May need to revisit if we ever have LVDS with borders
1460      */
1461     info->lcd_timing.horizontal_blanking_time = le16_to_cpu(lvds->lcd_timing.h_blanking_time);
1462     /* usVActive does not include borders, according to VBIOS team*/
1463     info->lcd_timing.vertical_addressable = le16_to_cpu(lvds->lcd_timing.v_active);
1464     /* usVBlanking_Time includes borders, so we should really be
1465      * subtracting borders duing this translation, but LVDS generally
1466      * doesn't have borders, so we should be okay leaving this as is for
1467      * now. May need to revisit if we ever have LVDS with borders
1468      */
1469     info->lcd_timing.vertical_blanking_time = le16_to_cpu(lvds->lcd_timing.v_blanking_time);
1470     info->lcd_timing.horizontal_sync_offset = le16_to_cpu(lvds->lcd_timing.h_sync_offset);
1471     info->lcd_timing.horizontal_sync_width = le16_to_cpu(lvds->lcd_timing.h_sync_width);
1472     info->lcd_timing.vertical_sync_offset = le16_to_cpu(lvds->lcd_timing.v_sync_offset);
1473     info->lcd_timing.vertical_sync_width = le16_to_cpu(lvds->lcd_timing.v_syncwidth);
1474     info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
1475     info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;
1476 
1477     /* not provided by VBIOS */
1478     info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;
1479 
1480     info->lcd_timing.misc_info.H_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1481             & ATOM_HSYNC_POLARITY);
1482     info->lcd_timing.misc_info.V_SYNC_POLARITY = ~(uint32_t) (lvds->lcd_timing.miscinfo
1483             & ATOM_VSYNC_POLARITY);
1484 
1485     /* not provided by VBIOS */
1486     info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;
1487 
1488     info->lcd_timing.misc_info.H_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1489             & ATOM_H_REPLICATIONBY2);
1490     info->lcd_timing.misc_info.V_REPLICATION_BY2 = !!(lvds->lcd_timing.miscinfo
1491             & ATOM_V_REPLICATIONBY2);
1492     info->lcd_timing.misc_info.COMPOSITE_SYNC = !!(lvds->lcd_timing.miscinfo
1493             & ATOM_COMPOSITESYNC);
1494     info->lcd_timing.misc_info.INTERLACE = !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);
1495 
1496     /* not provided by VBIOS*/
1497     info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
1498     /* not provided by VBIOS*/
1499     info->ss_id = 0;
1500 
1501     info->realtek_eDPToLVDS = !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);
1502 
1503     return BP_RESULT_OK;
1504 }
1505 
1506 static enum bp_result bios_parser_get_embedded_panel_info(
1507         struct dc_bios *dcb,
1508         struct embedded_panel_info *info)
1509 {
1510     struct bios_parser
1511     *bp = BP_FROM_DCB(dcb);
1512     struct atom_common_table_header *header;
1513     struct atom_data_revision tbl_revision;
1514 
1515     if (!DATA_TABLES(lcd_info))
1516         return BP_RESULT_FAILURE;
1517 
1518     header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(lcd_info));
1519 
1520     if (!header)
1521         return BP_RESULT_BADBIOSTABLE;
1522 
1523     get_atom_data_table_revision(header, &tbl_revision);
1524 
1525     switch (tbl_revision.major) {
1526     case 2:
1527         switch (tbl_revision.minor) {
1528         case 1:
1529             return get_embedded_panel_info_v2_1(bp, info);
1530         default:
1531             break;
1532         }
1533         break;
1534     default:
1535         break;
1536     }
1537 
1538     return BP_RESULT_FAILURE;
1539 }
1540 
1541 static uint32_t get_support_mask_for_device_id(struct device_id device_id)
1542 {
1543     enum dal_device_type device_type = device_id.device_type;
1544     uint32_t enum_id = device_id.enum_id;
1545 
1546     switch (device_type) {
1547     case DEVICE_TYPE_LCD:
1548         switch (enum_id) {
1549         case 1:
1550             return ATOM_DISPLAY_LCD1_SUPPORT;
1551         default:
1552             break;
1553         }
1554         break;
1555     case DEVICE_TYPE_DFP:
1556         switch (enum_id) {
1557         case 1:
1558             return ATOM_DISPLAY_DFP1_SUPPORT;
1559         case 2:
1560             return ATOM_DISPLAY_DFP2_SUPPORT;
1561         case 3:
1562             return ATOM_DISPLAY_DFP3_SUPPORT;
1563         case 4:
1564             return ATOM_DISPLAY_DFP4_SUPPORT;
1565         case 5:
1566             return ATOM_DISPLAY_DFP5_SUPPORT;
1567         case 6:
1568             return ATOM_DISPLAY_DFP6_SUPPORT;
1569         default:
1570             break;
1571         }
1572         break;
1573     default:
1574         break;
1575     }
1576 
1577     /* Unidentified device ID, return empty support mask. */
1578     return 0;
1579 }
1580 
1581 static bool bios_parser_is_device_id_supported(
1582     struct dc_bios *dcb,
1583     struct device_id id)
1584 {
1585     struct bios_parser *bp = BP_FROM_DCB(dcb);
1586 
1587     uint32_t mask = get_support_mask_for_device_id(id);
1588 
1589     switch (bp->object_info_tbl.revision.minor) {
1590         case 4:
1591         default:
1592             return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) & mask) != 0;
1593             break;
1594         case 5:
1595             return (le16_to_cpu(bp->object_info_tbl.v1_5->supporteddevices) & mask) != 0;
1596             break;
1597     }
1598 
1599     return false;
1600 }
1601 
1602 static uint32_t bios_parser_get_ss_entry_number(
1603     struct dc_bios *dcb,
1604     enum as_signal_type signal)
1605 {
1606     /* TODO: DAL2 atomfirmware implementation does not need this.
1607      * why DAL3 need this?
1608      */
1609     return 1;
1610 }
1611 
1612 static enum bp_result bios_parser_transmitter_control(
1613     struct dc_bios *dcb,
1614     struct bp_transmitter_control *cntl)
1615 {
1616     struct bios_parser *bp = BP_FROM_DCB(dcb);
1617 
1618     if (!bp->cmd_tbl.transmitter_control)
1619         return BP_RESULT_FAILURE;
1620 
1621     return bp->cmd_tbl.transmitter_control(bp, cntl);
1622 }
1623 
1624 static enum bp_result bios_parser_encoder_control(
1625     struct dc_bios *dcb,
1626     struct bp_encoder_control *cntl)
1627 {
1628     struct bios_parser *bp = BP_FROM_DCB(dcb);
1629 
1630     if (!bp->cmd_tbl.dig_encoder_control)
1631         return BP_RESULT_FAILURE;
1632 
1633     return bp->cmd_tbl.dig_encoder_control(bp, cntl);
1634 }
1635 
1636 static enum bp_result bios_parser_set_pixel_clock(
1637     struct dc_bios *dcb,
1638     struct bp_pixel_clock_parameters *bp_params)
1639 {
1640     struct bios_parser *bp = BP_FROM_DCB(dcb);
1641 
1642     if (!bp->cmd_tbl.set_pixel_clock)
1643         return BP_RESULT_FAILURE;
1644 
1645     return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
1646 }
1647 
1648 static enum bp_result bios_parser_set_dce_clock(
1649     struct dc_bios *dcb,
1650     struct bp_set_dce_clock_parameters *bp_params)
1651 {
1652     struct bios_parser *bp = BP_FROM_DCB(dcb);
1653 
1654     if (!bp->cmd_tbl.set_dce_clock)
1655         return BP_RESULT_FAILURE;
1656 
1657     return bp->cmd_tbl.set_dce_clock(bp, bp_params);
1658 }
1659 
1660 static enum bp_result bios_parser_program_crtc_timing(
1661     struct dc_bios *dcb,
1662     struct bp_hw_crtc_timing_parameters *bp_params)
1663 {
1664     struct bios_parser *bp = BP_FROM_DCB(dcb);
1665 
1666     if (!bp->cmd_tbl.set_crtc_timing)
1667         return BP_RESULT_FAILURE;
1668 
1669     return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
1670 }
1671 
1672 static enum bp_result bios_parser_enable_crtc(
1673     struct dc_bios *dcb,
1674     enum controller_id id,
1675     bool enable)
1676 {
1677     struct bios_parser *bp = BP_FROM_DCB(dcb);
1678 
1679     if (!bp->cmd_tbl.enable_crtc)
1680         return BP_RESULT_FAILURE;
1681 
1682     return bp->cmd_tbl.enable_crtc(bp, id, enable);
1683 }
1684 
1685 static enum bp_result bios_parser_enable_disp_power_gating(
1686     struct dc_bios *dcb,
1687     enum controller_id controller_id,
1688     enum bp_pipe_control_action action)
1689 {
1690     struct bios_parser *bp = BP_FROM_DCB(dcb);
1691 
1692     if (!bp->cmd_tbl.enable_disp_power_gating)
1693         return BP_RESULT_FAILURE;
1694 
1695     return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
1696         action);
1697 }
1698 
1699 static enum bp_result bios_parser_enable_lvtma_control(
1700     struct dc_bios *dcb,
1701     uint8_t uc_pwr_on,
1702     uint8_t panel_instance)
1703 {
1704     struct bios_parser *bp = BP_FROM_DCB(dcb);
1705 
1706     if (!bp->cmd_tbl.enable_lvtma_control)
1707         return BP_RESULT_FAILURE;
1708 
1709     return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, panel_instance);
1710 }
1711 
1712 static bool bios_parser_is_accelerated_mode(
1713     struct dc_bios *dcb)
1714 {
1715     return bios_is_accelerated_mode(dcb);
1716 }
1717 
1718 /**
1719  * bios_parser_set_scratch_critical_state - update critical state bit
1720  *                                          in VBIOS scratch register
1721  *
1722  * @dcb:   pointer to the DC BIO
1723  * @state: set or reset state
1724  */
1725 static void bios_parser_set_scratch_critical_state(
1726     struct dc_bios *dcb,
1727     bool state)
1728 {
1729     bios_set_scratch_critical_state(dcb, state);
1730 }
1731 
1732 struct atom_dig_transmitter_info_header_v5_3 {
1733     struct atom_common_table_header table_header;
1734     uint16_t dpphy_hdmi_settings_offset;
1735     uint16_t dpphy_dvi_settings_offset;
1736     uint16_t dpphy_dp_setting_table_offset;
1737     uint16_t uniphy_xbar_settings_v2_table_offset;
1738     uint16_t dpphy_internal_reg_overide_offset;
1739 };
1740 
1741 static enum bp_result bios_parser_get_firmware_info(
1742     struct dc_bios *dcb,
1743     struct dc_firmware_info *info)
1744 {
1745     struct bios_parser *bp = BP_FROM_DCB(dcb);
1746     static enum bp_result result = BP_RESULT_BADBIOSTABLE;
1747     struct atom_common_table_header *header;
1748 
1749     struct atom_data_revision revision;
1750 
1751     if (info && DATA_TABLES(firmwareinfo)) {
1752         header = GET_IMAGE(struct atom_common_table_header,
1753                 DATA_TABLES(firmwareinfo));
1754         get_atom_data_table_revision(header, &revision);
1755         switch (revision.major) {
1756         case 3:
1757             switch (revision.minor) {
1758             case 1:
1759                 result = get_firmware_info_v3_1(bp, info);
1760                 break;
1761             case 2:
1762             case 3:
1763                 result = get_firmware_info_v3_2(bp, info);
1764                                 break;
1765             case 4:
1766                 result = get_firmware_info_v3_4(bp, info);
1767                 break;
1768             default:
1769                 break;
1770             }
1771             break;
1772         default:
1773             break;
1774         }
1775     }
1776 
1777     return result;
1778 }
1779 
1780 static enum bp_result get_firmware_info_v3_1(
1781     struct bios_parser *bp,
1782     struct dc_firmware_info *info)
1783 {
1784     struct atom_firmware_info_v3_1 *firmware_info;
1785     struct atom_display_controller_info_v4_1 *dce_info = NULL;
1786 
1787     if (!info)
1788         return BP_RESULT_BADINPUT;
1789 
1790     firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
1791             DATA_TABLES(firmwareinfo));
1792 
1793     dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1794             DATA_TABLES(dce_info));
1795 
1796     if (!firmware_info || !dce_info)
1797         return BP_RESULT_BADBIOSTABLE;
1798 
1799     memset(info, 0, sizeof(*info));
1800 
1801     /* Pixel clock pll information. */
1802      /* We need to convert from 10KHz units into KHz units */
1803     info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1804     info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;
1805 
1806      /* 27MHz for Vega10: */
1807     info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1808 
1809     /* Hardcode frequency if BIOS gives no DCE Ref Clk */
1810     if (info->pll_info.crystal_frequency == 0)
1811         info->pll_info.crystal_frequency = 27000;
1812     /*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1813     info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1814     info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1815 
1816     /* Get GPU PLL VCO Clock */
1817 
1818     if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1819         /* VBIOS gives in 10KHz */
1820         info->smu_gpu_pll_output_freq =
1821                 bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1822     }
1823 
1824     info->oem_i2c_present = false;
1825 
1826     return BP_RESULT_OK;
1827 }
1828 
1829 static enum bp_result get_firmware_info_v3_2(
1830     struct bios_parser *bp,
1831     struct dc_firmware_info *info)
1832 {
1833     struct atom_firmware_info_v3_2 *firmware_info;
1834     struct atom_display_controller_info_v4_1 *dce_info = NULL;
1835     struct atom_common_table_header *header;
1836     struct atom_data_revision revision;
1837     struct atom_smu_info_v3_2 *smu_info_v3_2 = NULL;
1838     struct atom_smu_info_v3_3 *smu_info_v3_3 = NULL;
1839 
1840     if (!info)
1841         return BP_RESULT_BADINPUT;
1842 
1843     firmware_info = GET_IMAGE(struct atom_firmware_info_v3_2,
1844             DATA_TABLES(firmwareinfo));
1845 
1846     dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
1847             DATA_TABLES(dce_info));
1848 
1849     if (!firmware_info || !dce_info)
1850         return BP_RESULT_BADBIOSTABLE;
1851 
1852     memset(info, 0, sizeof(*info));
1853 
1854     header = GET_IMAGE(struct atom_common_table_header,
1855                     DATA_TABLES(smu_info));
1856     get_atom_data_table_revision(header, &revision);
1857 
1858     if (revision.minor == 2) {
1859         /* Vega12 */
1860         smu_info_v3_2 = GET_IMAGE(struct atom_smu_info_v3_2,
1861                             DATA_TABLES(smu_info));
1862 
1863         if (!smu_info_v3_2)
1864             return BP_RESULT_BADBIOSTABLE;
1865 
1866         info->default_engine_clk = smu_info_v3_2->bootup_dcefclk_10khz * 10;
1867     } else if (revision.minor == 3) {
1868         /* Vega20 */
1869         smu_info_v3_3 = GET_IMAGE(struct atom_smu_info_v3_3,
1870                             DATA_TABLES(smu_info));
1871 
1872         if (!smu_info_v3_3)
1873             return BP_RESULT_BADBIOSTABLE;
1874 
1875         info->default_engine_clk = smu_info_v3_3->bootup_dcefclk_10khz * 10;
1876     }
1877 
1878      // We need to convert from 10KHz units into KHz units.
1879     info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
1880 
1881      /* 27MHz for Vega10 & Vega12; 100MHz for Vega20 */
1882     info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;
1883     /* Hardcode frequency if BIOS gives no DCE Ref Clk */
1884     if (info->pll_info.crystal_frequency == 0) {
1885         if (revision.minor == 2)
1886             info->pll_info.crystal_frequency = 27000;
1887         else if (revision.minor == 3)
1888             info->pll_info.crystal_frequency = 100000;
1889     }
1890     /*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
1891     info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
1892     info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;
1893 
1894     /* Get GPU PLL VCO Clock */
1895     if (bp->cmd_tbl.get_smu_clock_info != NULL) {
1896         if (revision.minor == 2)
1897             info->smu_gpu_pll_output_freq =
1898                     bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
1899         else if (revision.minor == 3)
1900             info->smu_gpu_pll_output_freq =
1901                     bp->cmd_tbl.get_smu_clock_info(bp, SMU11_SYSPLL3_0_ID) * 10;
1902     }
1903 
1904     if (firmware_info->board_i2c_feature_id == 0x2) {
1905         info->oem_i2c_present = true;
1906         info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
1907     } else {
1908         info->oem_i2c_present = false;
1909     }
1910 
1911     return BP_RESULT_OK;
1912 }
1913 
1914 static enum bp_result get_firmware_info_v3_4(
1915     struct bios_parser *bp,
1916     struct dc_firmware_info *info)
1917 {
1918     struct atom_firmware_info_v3_4 *firmware_info;
1919     struct atom_common_table_header *header;
1920     struct atom_data_revision revision;
1921     struct atom_display_controller_info_v4_1 *dce_info_v4_1 = NULL;
1922     struct atom_display_controller_info_v4_4 *dce_info_v4_4 = NULL;
1923 
1924     struct atom_smu_info_v3_5 *smu_info_v3_5 = NULL;
1925     struct atom_display_controller_info_v4_5 *dce_info_v4_5 = NULL;
1926     struct atom_smu_info_v4_0 *smu_info_v4_0 = NULL;
1927 
1928     if (!info)
1929         return BP_RESULT_BADINPUT;
1930 
1931     firmware_info = GET_IMAGE(struct atom_firmware_info_v3_4,
1932             DATA_TABLES(firmwareinfo));
1933 
1934     if (!firmware_info)
1935         return BP_RESULT_BADBIOSTABLE;
1936 
1937     memset(info, 0, sizeof(*info));
1938 
1939     header = GET_IMAGE(struct atom_common_table_header,
1940                     DATA_TABLES(dce_info));
1941 
1942     get_atom_data_table_revision(header, &revision);
1943 
1944     switch (revision.major) {
1945     case 4:
1946         switch (revision.minor) {
1947         case 5:
1948             dce_info_v4_5 = GET_IMAGE(struct atom_display_controller_info_v4_5,
1949                             DATA_TABLES(dce_info));
1950 
1951             if (!dce_info_v4_5)
1952                 return BP_RESULT_BADBIOSTABLE;
1953 
1954              /* 100MHz expected */
1955             info->pll_info.crystal_frequency = dce_info_v4_5->dce_refclk_10khz * 10;
1956             info->dp_phy_ref_clk             = dce_info_v4_5->dpphy_refclk_10khz * 10;
1957              /* 50MHz expected */
1958             info->i2c_engine_ref_clk         = dce_info_v4_5->i2c_engine_refclk_10khz * 10;
1959 
1960             /* For DCN32/321 Display PLL VCO Frequency from dce_info_v4_5 may not be reliable */
1961             break;
1962 
1963         case 4:
1964             dce_info_v4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
1965                             DATA_TABLES(dce_info));
1966 
1967             if (!dce_info_v4_4)
1968                 return BP_RESULT_BADBIOSTABLE;
1969 
1970             /* 100MHz expected */
1971             info->pll_info.crystal_frequency = dce_info_v4_4->dce_refclk_10khz * 10;
1972             info->dp_phy_ref_clk             = dce_info_v4_4->dpphy_refclk_10khz * 10;
1973             /* 50MHz expected */
1974             info->i2c_engine_ref_clk         = dce_info_v4_4->i2c_engine_refclk_10khz * 10;
1975 
1976             /* Get SMU Display PLL VCO Frequency in KHz*/
1977             info->smu_gpu_pll_output_freq = dce_info_v4_4->dispclk_pll_vco_freq * 10;
1978             break;
1979 
1980         default:
1981             /* should not come here, keep as backup, as was before */
1982             dce_info_v4_1 = GET_IMAGE(struct atom_display_controller_info_v4_1,
1983                             DATA_TABLES(dce_info));
1984 
1985             if (!dce_info_v4_1)
1986                 return BP_RESULT_BADBIOSTABLE;
1987 
1988             info->pll_info.crystal_frequency = dce_info_v4_1->dce_refclk_10khz * 10;
1989             info->dp_phy_ref_clk             = dce_info_v4_1->dpphy_refclk_10khz * 10;
1990             info->i2c_engine_ref_clk         = dce_info_v4_1->i2c_engine_refclk_10khz * 10;
1991             break;
1992         }
1993         break;
1994 
1995     default:
1996         ASSERT(0);
1997         break;
1998     }
1999 
2000     header = GET_IMAGE(struct atom_common_table_header,
2001                     DATA_TABLES(smu_info));
2002     get_atom_data_table_revision(header, &revision);
2003 
2004     switch (revision.major) {
2005     case 3:
2006         switch (revision.minor) {
2007         case 5:
2008             smu_info_v3_5 = GET_IMAGE(struct atom_smu_info_v3_5,
2009                             DATA_TABLES(smu_info));
2010 
2011             if (!smu_info_v3_5)
2012                 return BP_RESULT_BADBIOSTABLE;
2013 
2014             info->default_engine_clk = smu_info_v3_5->bootup_dcefclk_10khz * 10;
2015             break;
2016 
2017         default:
2018             break;
2019         }
2020         break;
2021 
2022     case 4:
2023         switch (revision.minor) {
2024         case 0:
2025             smu_info_v4_0 = GET_IMAGE(struct atom_smu_info_v4_0,
2026                             DATA_TABLES(smu_info));
2027 
2028             if (!smu_info_v4_0)
2029                 return BP_RESULT_BADBIOSTABLE;
2030 
2031             /* For DCN32/321 bootup DCFCLK from smu_info_v4_0 may not be reliable */
2032             break;
2033 
2034         default:
2035             break;
2036         }
2037         break;
2038 
2039     default:
2040         break;
2041     }
2042 
2043      // We need to convert from 10KHz units into KHz units.
2044     info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
2045 
2046     if (firmware_info->board_i2c_feature_id == 0x2) {
2047         info->oem_i2c_present = true;
2048         info->oem_i2c_obj_id = firmware_info->board_i2c_feature_gpio_id;
2049     } else {
2050         info->oem_i2c_present = false;
2051     }
2052 
2053     return BP_RESULT_OK;
2054 }
2055 
2056 static enum bp_result bios_parser_get_encoder_cap_info(
2057     struct dc_bios *dcb,
2058     struct graphics_object_id object_id,
2059     struct bp_encoder_cap_info *info)
2060 {
2061     struct bios_parser *bp = BP_FROM_DCB(dcb);
2062     struct atom_display_object_path_v2 *object;
2063     struct atom_encoder_caps_record *record = NULL;
2064 
2065     if (!info)
2066         return BP_RESULT_BADINPUT;
2067 
2068 #if defined(CONFIG_DRM_AMD_DC_DCN)
2069     /* encoder cap record not available in v1_5 */
2070     if (bp->object_info_tbl.revision.minor == 5)
2071         return BP_RESULT_NORECORD;
2072 #endif
2073 
2074     object = get_bios_object(bp, object_id);
2075 
2076     if (!object)
2077         return BP_RESULT_BADINPUT;
2078 
2079     record = get_encoder_cap_record(bp, object);
2080     if (!record)
2081         return BP_RESULT_NORECORD;
2082     DC_LOG_BIOS("record->encodercaps 0x%x for object_id 0x%x", record->encodercaps, object_id.id);
2083 
2084     info->DP_HBR2_CAP = (record->encodercaps &
2085             ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
2086     info->DP_HBR2_EN = (record->encodercaps &
2087             ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
2088     info->DP_HBR3_EN = (record->encodercaps &
2089             ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
2090     info->HDMI_6GB_EN = (record->encodercaps &
2091             ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;
2092     info->IS_DP2_CAPABLE = (record->encodercaps &
2093             ATOM_ENCODER_CAP_RECORD_DP2) ? 1 : 0;
2094     info->DP_UHBR10_EN = (record->encodercaps &
2095             ATOM_ENCODER_CAP_RECORD_UHBR10_EN) ? 1 : 0;
2096     info->DP_UHBR13_5_EN = (record->encodercaps &
2097             ATOM_ENCODER_CAP_RECORD_UHBR13_5_EN) ? 1 : 0;
2098     info->DP_UHBR20_EN = (record->encodercaps &
2099             ATOM_ENCODER_CAP_RECORD_UHBR20_EN) ? 1 : 0;
2100     info->DP_IS_USB_C = (record->encodercaps &
2101             ATOM_ENCODER_CAP_RECORD_USB_C_TYPE) ? 1 : 0;
2102     DC_LOG_BIOS("\t info->DP_IS_USB_C %d", info->DP_IS_USB_C);
2103 
2104     return BP_RESULT_OK;
2105 }
2106 
2107 
2108 static struct atom_encoder_caps_record *get_encoder_cap_record(
2109     struct bios_parser *bp,
2110     struct atom_display_object_path_v2 *object)
2111 {
2112     struct atom_common_record_header *header;
2113     uint32_t offset;
2114 
2115     if (!object) {
2116         BREAK_TO_DEBUGGER(); /* Invalid object */
2117         return NULL;
2118     }
2119 
2120     offset = object->encoder_recordoffset + bp->object_info_tbl_offset;
2121 
2122     for (;;) {
2123         header = GET_IMAGE(struct atom_common_record_header, offset);
2124 
2125         if (!header)
2126             return NULL;
2127 
2128         offset += header->record_size;
2129 
2130         if (header->record_type == LAST_RECORD_TYPE ||
2131                 !header->record_size)
2132             break;
2133 
2134         if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
2135             continue;
2136 
2137         if (sizeof(struct atom_encoder_caps_record) <=
2138                             header->record_size)
2139             return (struct atom_encoder_caps_record *)header;
2140     }
2141 
2142     return NULL;
2143 }
2144 
2145 static struct atom_disp_connector_caps_record *get_disp_connector_caps_record(
2146     struct bios_parser *bp,
2147     struct atom_display_object_path_v2 *object)
2148 {
2149     struct atom_common_record_header *header;
2150     uint32_t offset;
2151 
2152     if (!object) {
2153         BREAK_TO_DEBUGGER(); /* Invalid object */
2154         return NULL;
2155     }
2156 
2157     offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2158 
2159     for (;;) {
2160         header = GET_IMAGE(struct atom_common_record_header, offset);
2161 
2162         if (!header)
2163             return NULL;
2164 
2165         offset += header->record_size;
2166 
2167         if (header->record_type == LAST_RECORD_TYPE ||
2168                 !header->record_size)
2169             break;
2170 
2171         if (header->record_type != ATOM_DISP_CONNECTOR_CAPS_RECORD_TYPE)
2172             continue;
2173 
2174         if (sizeof(struct atom_disp_connector_caps_record) <=
2175                             header->record_size)
2176             return (struct atom_disp_connector_caps_record *)header;
2177     }
2178 
2179     return NULL;
2180 }
2181 
2182 static struct atom_connector_caps_record *get_connector_caps_record(
2183     struct bios_parser *bp,
2184     struct atom_display_object_path_v3 *object)
2185 {
2186     struct atom_common_record_header *header;
2187     uint32_t offset;
2188 
2189     if (!object) {
2190         BREAK_TO_DEBUGGER(); /* Invalid object */
2191         return NULL;
2192     }
2193 
2194     offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2195 
2196     for (;;) {
2197         header = GET_IMAGE(struct atom_common_record_header, offset);
2198 
2199         if (!header)
2200             return NULL;
2201 
2202         offset += header->record_size;
2203 
2204         if (header->record_type == ATOM_RECORD_END_TYPE ||
2205                 !header->record_size)
2206             break;
2207 
2208         if (header->record_type != ATOM_CONNECTOR_CAP_RECORD_TYPE)
2209             continue;
2210 
2211         if (sizeof(struct atom_connector_caps_record) <= header->record_size)
2212             return (struct atom_connector_caps_record *)header;
2213     }
2214 
2215     return NULL;
2216 }
2217 
2218 static enum bp_result bios_parser_get_disp_connector_caps_info(
2219     struct dc_bios *dcb,
2220     struct graphics_object_id object_id,
2221     struct bp_disp_connector_caps_info *info)
2222 {
2223     struct bios_parser *bp = BP_FROM_DCB(dcb);
2224     struct atom_display_object_path_v2 *object;
2225 
2226     struct atom_display_object_path_v3 *object_path_v3;
2227     struct atom_connector_caps_record *record_path_v3;
2228 
2229     struct atom_disp_connector_caps_record *record = NULL;
2230 
2231     if (!info)
2232         return BP_RESULT_BADINPUT;
2233 
2234     switch (bp->object_info_tbl.revision.minor) {
2235         case 4:
2236         default:
2237             object = get_bios_object(bp, object_id);
2238 
2239             if (!object)
2240                 return BP_RESULT_BADINPUT;
2241 
2242             record = get_disp_connector_caps_record(bp, object);
2243             if (!record)
2244                 return BP_RESULT_NORECORD;
2245 
2246             info->INTERNAL_DISPLAY =
2247                 (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY) ? 1 : 0;
2248             info->INTERNAL_DISPLAY_BL =
2249                 (record->connectcaps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL) ? 1 : 0;
2250             break;
2251         case 5:
2252         object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2253 
2254         if (!object_path_v3)
2255             return BP_RESULT_BADINPUT;
2256 
2257         record_path_v3 = get_connector_caps_record(bp, object_path_v3);
2258         if (!record_path_v3)
2259             return BP_RESULT_NORECORD;
2260 
2261         info->INTERNAL_DISPLAY = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY)
2262                                     ? 1 : 0;
2263         info->INTERNAL_DISPLAY_BL = (record_path_v3->connector_caps & ATOM_CONNECTOR_CAP_INTERNAL_DISPLAY_BL)
2264                                         ? 1 : 0;
2265         break;
2266     }
2267 
2268     return BP_RESULT_OK;
2269 }
2270 
2271 static struct atom_connector_speed_record *get_connector_speed_cap_record(
2272     struct bios_parser *bp,
2273     struct atom_display_object_path_v3 *object)
2274 {
2275     struct atom_common_record_header *header;
2276     uint32_t offset;
2277 
2278     if (!object) {
2279         BREAK_TO_DEBUGGER(); /* Invalid object */
2280         return NULL;
2281     }
2282 
2283     offset = object->disp_recordoffset + bp->object_info_tbl_offset;
2284 
2285     for (;;) {
2286         header = GET_IMAGE(struct atom_common_record_header, offset);
2287 
2288         if (!header)
2289             return NULL;
2290 
2291         offset += header->record_size;
2292 
2293         if (header->record_type == ATOM_RECORD_END_TYPE ||
2294                 !header->record_size)
2295             break;
2296 
2297         if (header->record_type != ATOM_CONNECTOR_SPEED_UPTO)
2298             continue;
2299 
2300         if (sizeof(struct atom_connector_speed_record) <= header->record_size)
2301             return (struct atom_connector_speed_record *)header;
2302     }
2303 
2304     return NULL;
2305 }
2306 
2307 static enum bp_result bios_parser_get_connector_speed_cap_info(
2308     struct dc_bios *dcb,
2309     struct graphics_object_id object_id,
2310     struct bp_connector_speed_cap_info *info)
2311 {
2312     struct bios_parser *bp = BP_FROM_DCB(dcb);
2313     struct atom_display_object_path_v3 *object_path_v3;
2314     //struct atom_connector_speed_record *record = NULL;
2315     struct atom_connector_speed_record *record;
2316 
2317     if (!info)
2318         return BP_RESULT_BADINPUT;
2319 
2320     object_path_v3 = get_bios_object_from_path_v3(bp, object_id);
2321 
2322     if (!object_path_v3)
2323         return BP_RESULT_BADINPUT;
2324 
2325     record = get_connector_speed_cap_record(bp, object_path_v3);
2326     if (!record)
2327         return BP_RESULT_NORECORD;
2328 
2329     info->DP_HBR2_EN = (record->connector_max_speed >= 5400) ? 1 : 0;
2330     info->DP_HBR3_EN = (record->connector_max_speed >= 8100) ? 1 : 0;
2331     info->HDMI_6GB_EN = (record->connector_max_speed >= 5940) ? 1 : 0;
2332     info->DP_UHBR10_EN = (record->connector_max_speed >= 10000) ? 1 : 0;
2333     info->DP_UHBR13_5_EN = (record->connector_max_speed >= 13500) ? 1 : 0;
2334     info->DP_UHBR20_EN = (record->connector_max_speed >= 20000) ? 1 : 0;
2335     return BP_RESULT_OK;
2336 }
2337 
2338 static enum bp_result get_vram_info_v23(
2339     struct bios_parser *bp,
2340     struct dc_vram_info *info)
2341 {
2342     struct atom_vram_info_header_v2_3 *info_v23;
2343     static enum bp_result result = BP_RESULT_OK;
2344 
2345     info_v23 = GET_IMAGE(struct atom_vram_info_header_v2_3,
2346                         DATA_TABLES(vram_info));
2347 
2348     if (info_v23 == NULL)
2349         return BP_RESULT_BADBIOSTABLE;
2350 
2351     info->num_chans = info_v23->vram_module[0].channel_num;
2352     info->dram_channel_width_bytes = (1 << info_v23->vram_module[0].channel_width) / 8;
2353 
2354     return result;
2355 }
2356 
2357 static enum bp_result get_vram_info_v24(
2358     struct bios_parser *bp,
2359     struct dc_vram_info *info)
2360 {
2361     struct atom_vram_info_header_v2_4 *info_v24;
2362     static enum bp_result result = BP_RESULT_OK;
2363 
2364     info_v24 = GET_IMAGE(struct atom_vram_info_header_v2_4,
2365                         DATA_TABLES(vram_info));
2366 
2367     if (info_v24 == NULL)
2368         return BP_RESULT_BADBIOSTABLE;
2369 
2370     info->num_chans = info_v24->vram_module[0].channel_num;
2371     info->dram_channel_width_bytes = (1 << info_v24->vram_module[0].channel_width) / 8;
2372 
2373     return result;
2374 }
2375 
2376 static enum bp_result get_vram_info_v25(
2377     struct bios_parser *bp,
2378     struct dc_vram_info *info)
2379 {
2380     struct atom_vram_info_header_v2_5 *info_v25;
2381     static enum bp_result result = BP_RESULT_OK;
2382 
2383     info_v25 = GET_IMAGE(struct atom_vram_info_header_v2_5,
2384                         DATA_TABLES(vram_info));
2385 
2386     if (info_v25 == NULL)
2387         return BP_RESULT_BADBIOSTABLE;
2388 
2389     info->num_chans = info_v25->vram_module[0].channel_num;
2390     info->dram_channel_width_bytes = (1 << info_v25->vram_module[0].channel_width) / 8;
2391 
2392     return result;
2393 }
2394 
2395 /*
2396  * get_integrated_info_v11
2397  *
2398  * @brief
2399  * Get V8 integrated BIOS information
2400  *
2401  * @param
2402  * bios_parser *bp - [in]BIOS parser handler to get master data table
2403  * integrated_info *info - [out] store and output integrated info
2404  *
2405  * @return
2406  * static enum bp_result - BP_RESULT_OK if information is available,
2407  *                  BP_RESULT_BADBIOSTABLE otherwise.
2408  */
2409 static enum bp_result get_integrated_info_v11(
2410     struct bios_parser *bp,
2411     struct integrated_info *info)
2412 {
2413     struct atom_integrated_system_info_v1_11 *info_v11;
2414     uint32_t i;
2415 
2416     info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
2417                     DATA_TABLES(integratedsysteminfo));
2418 
2419     if (info_v11 == NULL)
2420         return BP_RESULT_BADBIOSTABLE;
2421 
2422     info->gpu_cap_info =
2423     le32_to_cpu(info_v11->gpucapinfo);
2424     /*
2425     * system_config: Bit[0] = 0 : PCIE power gating disabled
2426     *                       = 1 : PCIE power gating enabled
2427     *                Bit[1] = 0 : DDR-PLL shut down disabled
2428     *                       = 1 : DDR-PLL shut down enabled
2429     *                Bit[2] = 0 : DDR-PLL power down disabled
2430     *                       = 1 : DDR-PLL power down enabled
2431     */
2432     info->system_config = le32_to_cpu(info_v11->system_config);
2433     info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
2434     info->memory_type = info_v11->memorytype;
2435     info->ma_channel_number = info_v11->umachannelnumber;
2436     info->lvds_ss_percentage =
2437     le16_to_cpu(info_v11->lvds_ss_percentage);
2438     info->dp_ss_control =
2439     le16_to_cpu(info_v11->reserved1);
2440     info->lvds_sspread_rate_in_10hz =
2441     le16_to_cpu(info_v11->lvds_ss_rate_10hz);
2442     info->hdmi_ss_percentage =
2443     le16_to_cpu(info_v11->hdmi_ss_percentage);
2444     info->hdmi_sspread_rate_in_10hz =
2445     le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
2446     info->dvi_ss_percentage =
2447     le16_to_cpu(info_v11->dvi_ss_percentage);
2448     info->dvi_sspread_rate_in_10_hz =
2449     le16_to_cpu(info_v11->dvi_ss_rate_10hz);
2450     info->lvds_misc = info_v11->lvds_misc;
2451     for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2452         info->ext_disp_conn_info.gu_id[i] =
2453                 info_v11->extdispconninfo.guid[i];
2454     }
2455 
2456     for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2457         info->ext_disp_conn_info.path[i].device_connector_id =
2458         object_id_from_bios_object_id(
2459         le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));
2460 
2461         info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2462         object_id_from_bios_object_id(
2463             le16_to_cpu(
2464             info_v11->extdispconninfo.path[i].ext_encoder_objid));
2465 
2466         info->ext_disp_conn_info.path[i].device_tag =
2467             le16_to_cpu(
2468                 info_v11->extdispconninfo.path[i].device_tag);
2469         info->ext_disp_conn_info.path[i].device_acpi_enum =
2470         le16_to_cpu(
2471             info_v11->extdispconninfo.path[i].device_acpi_enum);
2472         info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2473             info_v11->extdispconninfo.path[i].auxddclut_index;
2474         info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2475             info_v11->extdispconninfo.path[i].hpdlut_index;
2476         info->ext_disp_conn_info.path[i].channel_mapping.raw =
2477             info_v11->extdispconninfo.path[i].channelmapping;
2478         info->ext_disp_conn_info.path[i].caps =
2479                 le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
2480     }
2481     info->ext_disp_conn_info.checksum =
2482     info_v11->extdispconninfo.checksum;
2483 
2484     info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
2485     info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
2486     for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2487         info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2488                 info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2489         info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2490                 info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2491     }
2492     info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
2493     for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2494         info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2495                 info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2496         info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2497                 info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2498     }
2499 
2500     info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
2501     info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
2502     for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2503         info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2504                 info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2505         info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2506                 info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2507     }
2508     info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
2509     for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2510         info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2511                 info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2512         info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2513                 info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2514     }
2515 
2516     info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
2517     info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
2518     for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2519         info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2520                 info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2521         info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2522                 info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2523     }
2524     info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
2525     for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2526         info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2527                 info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2528         info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2529                 info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2530     }
2531 
2532     info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
2533     info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
2534     for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2535         info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2536                 info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2537         info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2538                 info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2539     }
2540     info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
2541     for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2542         info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2543                 info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2544         info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2545                 info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2546     }
2547 
2548 
2549     /** TODO - review **/
2550     #if 0
2551     info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
2552                                     * 10;
2553     info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
2554     info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;
2555 
2556     for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2557         /* Convert [10KHz] into [KHz] */
2558         info->disp_clk_voltage[i].max_supported_clk =
2559         le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
2560             ulMaximumSupportedCLK) * 10;
2561         info->disp_clk_voltage[i].voltage_index =
2562         le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
2563     }
2564 
2565     info->boot_up_req_display_vector =
2566             le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
2567     info->boot_up_nb_voltage =
2568             le16_to_cpu(info_v11->usBootUpNBVoltage);
2569     info->ext_disp_conn_info_offset =
2570             le16_to_cpu(info_v11->usExtDispConnInfoOffset);
2571     info->gmc_restore_reset_time =
2572             le32_to_cpu(info_v11->ulGMCRestoreResetTime);
2573     info->minimum_n_clk =
2574             le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
2575     for (i = 1; i < 4; ++i)
2576         info->minimum_n_clk =
2577                 info->minimum_n_clk <
2578                 le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
2579                 info->minimum_n_clk : le32_to_cpu(
2580                     info_v11->ulNbpStateNClkFreq[i]);
2581 
2582     info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
2583     info->ddr_dll_power_up_time =
2584         le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
2585     info->ddr_pll_power_up_time =
2586         le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
2587     info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
2588     info->max_lvds_pclk_freq_in_single_link =
2589         le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2590     info->max_lvds_pclk_freq_in_single_link =
2591         le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
2592     info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
2593         info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
2594     info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
2595         info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
2596     info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
2597         info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
2598     info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
2599         info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
2600     info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
2601         info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
2602     info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
2603         info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
2604     info->lvds_off_to_on_delay_in_4ms =
2605         info_v11->ucLVDSOffToOnDelay_in4Ms;
2606     info->lvds_bit_depth_control_val =
2607         le32_to_cpu(info_v11->ulLCDBitDepthControlVal);
2608 
2609     for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
2610         /* Convert [10KHz] into [KHz] */
2611         info->avail_s_clk[i].supported_s_clk =
2612             le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
2613                                     * 10;
2614         info->avail_s_clk[i].voltage_index =
2615             le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
2616         info->avail_s_clk[i].voltage_id =
2617             le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
2618     }
2619     #endif /* TODO*/
2620 
2621     return BP_RESULT_OK;
2622 }
2623 
2624 static enum bp_result get_integrated_info_v2_1(
2625     struct bios_parser *bp,
2626     struct integrated_info *info)
2627 {
2628     struct atom_integrated_system_info_v2_1 *info_v2_1;
2629     uint32_t i;
2630 
2631     info_v2_1 = GET_IMAGE(struct atom_integrated_system_info_v2_1,
2632                     DATA_TABLES(integratedsysteminfo));
2633 
2634     if (info_v2_1 == NULL)
2635         return BP_RESULT_BADBIOSTABLE;
2636 
2637     info->gpu_cap_info =
2638     le32_to_cpu(info_v2_1->gpucapinfo);
2639     /*
2640     * system_config: Bit[0] = 0 : PCIE power gating disabled
2641     *                       = 1 : PCIE power gating enabled
2642     *                Bit[1] = 0 : DDR-PLL shut down disabled
2643     *                       = 1 : DDR-PLL shut down enabled
2644     *                Bit[2] = 0 : DDR-PLL power down disabled
2645     *                       = 1 : DDR-PLL power down enabled
2646     */
2647     info->system_config = le32_to_cpu(info_v2_1->system_config);
2648     info->cpu_cap_info = le32_to_cpu(info_v2_1->cpucapinfo);
2649     info->memory_type = info_v2_1->memorytype;
2650     info->ma_channel_number = info_v2_1->umachannelnumber;
2651     info->dp_ss_control =
2652         le16_to_cpu(info_v2_1->reserved1);
2653 
2654     for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2655         info->ext_disp_conn_info.gu_id[i] =
2656                 info_v2_1->extdispconninfo.guid[i];
2657     }
2658 
2659     for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2660         info->ext_disp_conn_info.path[i].device_connector_id =
2661         object_id_from_bios_object_id(
2662         le16_to_cpu(info_v2_1->extdispconninfo.path[i].connectorobjid));
2663 
2664         info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2665         object_id_from_bios_object_id(
2666             le16_to_cpu(
2667             info_v2_1->extdispconninfo.path[i].ext_encoder_objid));
2668 
2669         info->ext_disp_conn_info.path[i].device_tag =
2670             le16_to_cpu(
2671                 info_v2_1->extdispconninfo.path[i].device_tag);
2672         info->ext_disp_conn_info.path[i].device_acpi_enum =
2673         le16_to_cpu(
2674             info_v2_1->extdispconninfo.path[i].device_acpi_enum);
2675         info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2676             info_v2_1->extdispconninfo.path[i].auxddclut_index;
2677         info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2678             info_v2_1->extdispconninfo.path[i].hpdlut_index;
2679         info->ext_disp_conn_info.path[i].channel_mapping.raw =
2680             info_v2_1->extdispconninfo.path[i].channelmapping;
2681         info->ext_disp_conn_info.path[i].caps =
2682                 le16_to_cpu(info_v2_1->extdispconninfo.path[i].caps);
2683     }
2684 
2685     info->ext_disp_conn_info.checksum =
2686         info_v2_1->extdispconninfo.checksum;
2687     info->dp0_ext_hdmi_slv_addr = info_v2_1->dp0_retimer_set.HdmiSlvAddr;
2688     info->dp0_ext_hdmi_reg_num = info_v2_1->dp0_retimer_set.HdmiRegNum;
2689     for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
2690         info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
2691                 info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2692         info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
2693                 info_v2_1->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2694     }
2695     info->dp0_ext_hdmi_6g_reg_num = info_v2_1->dp0_retimer_set.Hdmi6GRegNum;
2696     for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
2697         info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2698                 info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2699         info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2700                 info_v2_1->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2701     }
2702     info->dp1_ext_hdmi_slv_addr = info_v2_1->dp1_retimer_set.HdmiSlvAddr;
2703     info->dp1_ext_hdmi_reg_num = info_v2_1->dp1_retimer_set.HdmiRegNum;
2704     for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
2705         info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
2706                 info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2707         info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
2708                 info_v2_1->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2709     }
2710     info->dp1_ext_hdmi_6g_reg_num = info_v2_1->dp1_retimer_set.Hdmi6GRegNum;
2711     for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
2712         info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2713                 info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2714         info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2715                 info_v2_1->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2716     }
2717     info->dp2_ext_hdmi_slv_addr = info_v2_1->dp2_retimer_set.HdmiSlvAddr;
2718     info->dp2_ext_hdmi_reg_num = info_v2_1->dp2_retimer_set.HdmiRegNum;
2719     for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
2720         info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
2721                 info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2722         info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
2723                 info_v2_1->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2724     }
2725     info->dp2_ext_hdmi_6g_reg_num = info_v2_1->dp2_retimer_set.Hdmi6GRegNum;
2726     for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
2727         info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2728                 info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2729         info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2730                 info_v2_1->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2731     }
2732     info->dp3_ext_hdmi_slv_addr = info_v2_1->dp3_retimer_set.HdmiSlvAddr;
2733     info->dp3_ext_hdmi_reg_num = info_v2_1->dp3_retimer_set.HdmiRegNum;
2734     for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
2735         info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
2736                 info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
2737         info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
2738                 info_v2_1->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
2739     }
2740     info->dp3_ext_hdmi_6g_reg_num = info_v2_1->dp3_retimer_set.Hdmi6GRegNum;
2741     for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
2742         info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
2743                 info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
2744         info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
2745                 info_v2_1->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
2746     }
2747 
2748     info->edp1_info.edp_backlight_pwm_hz =
2749     le16_to_cpu(info_v2_1->edp1_info.edp_backlight_pwm_hz);
2750     info->edp1_info.edp_ss_percentage =
2751     le16_to_cpu(info_v2_1->edp1_info.edp_ss_percentage);
2752     info->edp1_info.edp_ss_rate_10hz =
2753     le16_to_cpu(info_v2_1->edp1_info.edp_ss_rate_10hz);
2754     info->edp1_info.edp_pwr_on_off_delay =
2755         info_v2_1->edp1_info.edp_pwr_on_off_delay;
2756     info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2757         info_v2_1->edp1_info.edp_pwr_on_vary_bl_to_blon;
2758     info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2759         info_v2_1->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2760     info->edp1_info.edp_panel_bpc =
2761         info_v2_1->edp1_info.edp_panel_bpc;
2762     info->edp1_info.edp_bootup_bl_level = info_v2_1->edp1_info.edp_bootup_bl_level;
2763 
2764     info->edp2_info.edp_backlight_pwm_hz =
2765     le16_to_cpu(info_v2_1->edp2_info.edp_backlight_pwm_hz);
2766     info->edp2_info.edp_ss_percentage =
2767     le16_to_cpu(info_v2_1->edp2_info.edp_ss_percentage);
2768     info->edp2_info.edp_ss_rate_10hz =
2769     le16_to_cpu(info_v2_1->edp2_info.edp_ss_rate_10hz);
2770     info->edp2_info.edp_pwr_on_off_delay =
2771         info_v2_1->edp2_info.edp_pwr_on_off_delay;
2772     info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2773         info_v2_1->edp2_info.edp_pwr_on_vary_bl_to_blon;
2774     info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2775         info_v2_1->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2776     info->edp2_info.edp_panel_bpc =
2777         info_v2_1->edp2_info.edp_panel_bpc;
2778     info->edp2_info.edp_bootup_bl_level =
2779         info_v2_1->edp2_info.edp_bootup_bl_level;
2780 
2781     return BP_RESULT_OK;
2782 }
2783 
2784 static enum bp_result get_integrated_info_v2_2(
2785     struct bios_parser *bp,
2786     struct integrated_info *info)
2787 {
2788     struct atom_integrated_system_info_v2_2 *info_v2_2;
2789     uint32_t i;
2790 
2791     info_v2_2 = GET_IMAGE(struct atom_integrated_system_info_v2_2,
2792                     DATA_TABLES(integratedsysteminfo));
2793 
2794     if (info_v2_2 == NULL)
2795         return BP_RESULT_BADBIOSTABLE;
2796 
2797     info->gpu_cap_info =
2798     le32_to_cpu(info_v2_2->gpucapinfo);
2799     /*
2800     * system_config: Bit[0] = 0 : PCIE power gating disabled
2801     *                       = 1 : PCIE power gating enabled
2802     *                Bit[1] = 0 : DDR-PLL shut down disabled
2803     *                       = 1 : DDR-PLL shut down enabled
2804     *                Bit[2] = 0 : DDR-PLL power down disabled
2805     *                       = 1 : DDR-PLL power down enabled
2806     */
2807     info->system_config = le32_to_cpu(info_v2_2->system_config);
2808     info->cpu_cap_info = le32_to_cpu(info_v2_2->cpucapinfo);
2809     info->memory_type = info_v2_2->memorytype;
2810     info->ma_channel_number = info_v2_2->umachannelnumber;
2811     info->dp_ss_control =
2812         le16_to_cpu(info_v2_2->reserved1);
2813 
2814     for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
2815         info->ext_disp_conn_info.gu_id[i] =
2816                 info_v2_2->extdispconninfo.guid[i];
2817     }
2818 
2819     for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
2820         info->ext_disp_conn_info.path[i].device_connector_id =
2821         object_id_from_bios_object_id(
2822         le16_to_cpu(info_v2_2->extdispconninfo.path[i].connectorobjid));
2823 
2824         info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
2825         object_id_from_bios_object_id(
2826             le16_to_cpu(
2827             info_v2_2->extdispconninfo.path[i].ext_encoder_objid));
2828 
2829         info->ext_disp_conn_info.path[i].device_tag =
2830             le16_to_cpu(
2831                 info_v2_2->extdispconninfo.path[i].device_tag);
2832         info->ext_disp_conn_info.path[i].device_acpi_enum =
2833         le16_to_cpu(
2834             info_v2_2->extdispconninfo.path[i].device_acpi_enum);
2835         info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
2836             info_v2_2->extdispconninfo.path[i].auxddclut_index;
2837         info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
2838             info_v2_2->extdispconninfo.path[i].hpdlut_index;
2839         info->ext_disp_conn_info.path[i].channel_mapping.raw =
2840             info_v2_2->extdispconninfo.path[i].channelmapping;
2841         info->ext_disp_conn_info.path[i].caps =
2842                 le16_to_cpu(info_v2_2->extdispconninfo.path[i].caps);
2843     }
2844 
2845     info->ext_disp_conn_info.checksum =
2846         info_v2_2->extdispconninfo.checksum;
2847     info->ext_disp_conn_info.fixdpvoltageswing =
2848         info_v2_2->extdispconninfo.fixdpvoltageswing;
2849 
2850     info->edp1_info.edp_backlight_pwm_hz =
2851     le16_to_cpu(info_v2_2->edp1_info.edp_backlight_pwm_hz);
2852     info->edp1_info.edp_ss_percentage =
2853     le16_to_cpu(info_v2_2->edp1_info.edp_ss_percentage);
2854     info->edp1_info.edp_ss_rate_10hz =
2855     le16_to_cpu(info_v2_2->edp1_info.edp_ss_rate_10hz);
2856     info->edp1_info.edp_pwr_on_off_delay =
2857         info_v2_2->edp1_info.edp_pwr_on_off_delay;
2858     info->edp1_info.edp_pwr_on_vary_bl_to_blon =
2859         info_v2_2->edp1_info.edp_pwr_on_vary_bl_to_blon;
2860     info->edp1_info.edp_pwr_down_bloff_to_vary_bloff =
2861         info_v2_2->edp1_info.edp_pwr_down_bloff_to_vary_bloff;
2862     info->edp1_info.edp_panel_bpc =
2863         info_v2_2->edp1_info.edp_panel_bpc;
2864     info->edp1_info.edp_bootup_bl_level =
2865 
2866     info->edp2_info.edp_backlight_pwm_hz =
2867     le16_to_cpu(info_v2_2->edp2_info.edp_backlight_pwm_hz);
2868     info->edp2_info.edp_ss_percentage =
2869     le16_to_cpu(info_v2_2->edp2_info.edp_ss_percentage);
2870     info->edp2_info.edp_ss_rate_10hz =
2871     le16_to_cpu(info_v2_2->edp2_info.edp_ss_rate_10hz);
2872     info->edp2_info.edp_pwr_on_off_delay =
2873         info_v2_2->edp2_info.edp_pwr_on_off_delay;
2874     info->edp2_info.edp_pwr_on_vary_bl_to_blon =
2875         info_v2_2->edp2_info.edp_pwr_on_vary_bl_to_blon;
2876     info->edp2_info.edp_pwr_down_bloff_to_vary_bloff =
2877         info_v2_2->edp2_info.edp_pwr_down_bloff_to_vary_bloff;
2878     info->edp2_info.edp_panel_bpc =
2879         info_v2_2->edp2_info.edp_panel_bpc;
2880     info->edp2_info.edp_bootup_bl_level =
2881         info_v2_2->edp2_info.edp_bootup_bl_level;
2882 
2883     return BP_RESULT_OK;
2884 }
2885 
2886 /*
2887  * construct_integrated_info
2888  *
2889  * @brief
2890  * Get integrated BIOS information based on table revision
2891  *
2892  * @param
2893  * bios_parser *bp - [in]BIOS parser handler to get master data table
2894  * integrated_info *info - [out] store and output integrated info
2895  *
2896  * @return
2897  * static enum bp_result - BP_RESULT_OK if information is available,
2898  *                  BP_RESULT_BADBIOSTABLE otherwise.
2899  */
2900 static enum bp_result construct_integrated_info(
2901     struct bios_parser *bp,
2902     struct integrated_info *info)
2903 {
2904     static enum bp_result result = BP_RESULT_BADBIOSTABLE;
2905 
2906     struct atom_common_table_header *header;
2907     struct atom_data_revision revision;
2908 
2909     struct clock_voltage_caps temp = {0, 0};
2910     uint32_t i;
2911     uint32_t j;
2912 
2913     if (info && DATA_TABLES(integratedsysteminfo)) {
2914         header = GET_IMAGE(struct atom_common_table_header,
2915                     DATA_TABLES(integratedsysteminfo));
2916 
2917         get_atom_data_table_revision(header, &revision);
2918 
2919         switch (revision.major) {
2920         case 1:
2921             switch (revision.minor) {
2922             case 11:
2923             case 12:
2924                 result = get_integrated_info_v11(bp, info);
2925                 break;
2926             default:
2927                 return result;
2928             }
2929             break;
2930         case 2:
2931             switch (revision.minor) {
2932             case 1:
2933                 result = get_integrated_info_v2_1(bp, info);
2934                 break;
2935             case 2:
2936                 result = get_integrated_info_v2_2(bp, info);
2937                 break;
2938             default:
2939                 return result;
2940             }
2941             break;
2942         default:
2943             return result;
2944         }
2945     }
2946 
2947     if (result != BP_RESULT_OK)
2948         return result;
2949     else {
2950         // Log each external path
2951         for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
2952             if (info->ext_disp_conn_info.path[i].device_tag != 0)
2953                 DC_LOG_BIOS("integrated_info:For EXTERNAL DISPLAY PATH %d --------------\n"
2954                         "DEVICE_TAG: 0x%x\n"
2955                         "DEVICE_ACPI_ENUM: 0x%x\n"
2956                         "DEVICE_CONNECTOR_ID: 0x%x\n"
2957                         "EXT_AUX_DDC_LUT_INDEX: %d\n"
2958                         "EXT_HPD_PIN_LUT_INDEX: %d\n"
2959                         "EXT_ENCODER_OBJ_ID: 0x%x\n"
2960                         "Encoder CAPS: 0x%x\n",
2961                         i,
2962                         info->ext_disp_conn_info.path[i].device_tag,
2963                         info->ext_disp_conn_info.path[i].device_acpi_enum,
2964                         info->ext_disp_conn_info.path[i].device_connector_id.id,
2965                         info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index,
2966                         info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index,
2967                         info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id,
2968                         info->ext_disp_conn_info.path[i].caps
2969                         );
2970         }
2971 
2972         // Log the Checksum and Voltage Swing
2973         DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n"
2974                     "Integrated info table FIX_DP_VOLTAGE_SWING: %d\n",
2975                     info->ext_disp_conn_info.checksum,
2976                     info->ext_disp_conn_info.fixdpvoltageswing);
2977     }
2978     /* Sort voltage table from low to high*/
2979     for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
2980         for (j = i; j > 0; --j) {
2981             if (info->disp_clk_voltage[j].max_supported_clk <
2982                 info->disp_clk_voltage[j-1].max_supported_clk
2983                 ) {
2984                 /* swap j and j - 1*/
2985                 temp = info->disp_clk_voltage[j-1];
2986                 info->disp_clk_voltage[j-1] =
2987                     info->disp_clk_voltage[j];
2988                 info->disp_clk_voltage[j] = temp;
2989             }
2990         }
2991     }
2992 
2993     return result;
2994 }
2995 
2996 static enum bp_result bios_parser_get_vram_info(
2997         struct dc_bios *dcb,
2998         struct dc_vram_info *info)
2999 {
3000     struct bios_parser *bp = BP_FROM_DCB(dcb);
3001     static enum bp_result result = BP_RESULT_BADBIOSTABLE;
3002     struct atom_common_table_header *header;
3003     struct atom_data_revision revision;
3004 
3005     if (info && DATA_TABLES(vram_info)) {
3006         header = GET_IMAGE(struct atom_common_table_header,
3007                     DATA_TABLES(vram_info));
3008 
3009         get_atom_data_table_revision(header, &revision);
3010 
3011         switch (revision.major) {
3012         case 2:
3013             switch (revision.minor) {
3014             case 3:
3015                 result = get_vram_info_v23(bp, info);
3016                 break;
3017             case 4:
3018                 result = get_vram_info_v24(bp, info);
3019                 break;
3020             case 5:
3021                 result = get_vram_info_v25(bp, info);
3022                 break;
3023             default:
3024                 break;
3025             }
3026             break;
3027 
3028         default:
3029             return result;
3030         }
3031 
3032     }
3033     return result;
3034 }
3035 
3036 static struct integrated_info *bios_parser_create_integrated_info(
3037     struct dc_bios *dcb)
3038 {
3039     struct bios_parser *bp = BP_FROM_DCB(dcb);
3040     struct integrated_info *info = NULL;
3041 
3042     info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);
3043 
3044     if (info == NULL) {
3045         ASSERT_CRITICAL(0);
3046         return NULL;
3047     }
3048 
3049     if (construct_integrated_info(bp, info) == BP_RESULT_OK)
3050         return info;
3051 
3052     kfree(info);
3053 
3054     return NULL;
3055 }
3056 
3057 static enum bp_result update_slot_layout_info(
3058     struct dc_bios *dcb,
3059     unsigned int i,
3060     struct slot_layout_info *slot_layout_info)
3061 {
3062     unsigned int record_offset;
3063     unsigned int j;
3064     struct atom_display_object_path_v2 *object;
3065     struct atom_bracket_layout_record *record;
3066     struct atom_common_record_header *record_header;
3067     static enum bp_result result;
3068     struct bios_parser *bp;
3069     struct object_info_table *tbl;
3070     struct display_object_info_table_v1_4 *v1_4;
3071 
3072     record = NULL;
3073     record_header = NULL;
3074     result = BP_RESULT_NORECORD;
3075 
3076     bp = BP_FROM_DCB(dcb);
3077     tbl = &bp->object_info_tbl;
3078     v1_4 = tbl->v1_4;
3079 
3080     object = &v1_4->display_path[i];
3081     record_offset = (unsigned int)
3082         (object->disp_recordoffset) +
3083         (unsigned int)(bp->object_info_tbl_offset);
3084 
3085     for (;;) {
3086 
3087         record_header = (struct atom_common_record_header *)
3088             GET_IMAGE(struct atom_common_record_header,
3089             record_offset);
3090         if (record_header == NULL) {
3091             result = BP_RESULT_BADBIOSTABLE;
3092             break;
3093         }
3094 
3095         /* the end of the list */
3096         if (record_header->record_type == 0xff ||
3097             record_header->record_size == 0)    {
3098             break;
3099         }
3100 
3101         if (record_header->record_type ==
3102             ATOM_BRACKET_LAYOUT_RECORD_TYPE &&
3103             sizeof(struct atom_bracket_layout_record)
3104             <= record_header->record_size) {
3105             record = (struct atom_bracket_layout_record *)
3106                 (record_header);
3107             result = BP_RESULT_OK;
3108             break;
3109         }
3110 
3111         record_offset += record_header->record_size;
3112     }
3113 
3114     /* return if the record not found */
3115     if (result != BP_RESULT_OK)
3116         return result;
3117 
3118     /* get slot sizes */
3119     slot_layout_info->length = record->bracketlen;
3120     slot_layout_info->width = record->bracketwidth;
3121 
3122     /* get info for each connector in the slot */
3123     slot_layout_info->num_of_connectors = record->conn_num;
3124     for (j = 0; j < slot_layout_info->num_of_connectors; ++j) {
3125         slot_layout_info->connectors[j].connector_type =
3126             (enum connector_layout_type)
3127             (record->conn_info[j].connector_type);
3128         switch (record->conn_info[j].connector_type) {
3129         case CONNECTOR_TYPE_DVI_D:
3130             slot_layout_info->connectors[j].connector_type =
3131                 CONNECTOR_LAYOUT_TYPE_DVI_D;
3132             slot_layout_info->connectors[j].length =
3133                 CONNECTOR_SIZE_DVI;
3134             break;
3135 
3136         case CONNECTOR_TYPE_HDMI:
3137             slot_layout_info->connectors[j].connector_type =
3138                 CONNECTOR_LAYOUT_TYPE_HDMI;
3139             slot_layout_info->connectors[j].length =
3140                 CONNECTOR_SIZE_HDMI;
3141             break;
3142 
3143         case CONNECTOR_TYPE_DISPLAY_PORT:
3144             slot_layout_info->connectors[j].connector_type =
3145                 CONNECTOR_LAYOUT_TYPE_DP;
3146             slot_layout_info->connectors[j].length =
3147                 CONNECTOR_SIZE_DP;
3148             break;
3149 
3150         case CONNECTOR_TYPE_MINI_DISPLAY_PORT:
3151             slot_layout_info->connectors[j].connector_type =
3152                 CONNECTOR_LAYOUT_TYPE_MINI_DP;
3153             slot_layout_info->connectors[j].length =
3154                 CONNECTOR_SIZE_MINI_DP;
3155             break;
3156 
3157         default:
3158             slot_layout_info->connectors[j].connector_type =
3159                 CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3160             slot_layout_info->connectors[j].length =
3161                 CONNECTOR_SIZE_UNKNOWN;
3162         }
3163 
3164         slot_layout_info->connectors[j].position =
3165             record->conn_info[j].position;
3166         slot_layout_info->connectors[j].connector_id =
3167             object_id_from_bios_object_id(
3168                 record->conn_info[j].connectorobjid);
3169     }
3170     return result;
3171 }
3172 
3173 static enum bp_result update_slot_layout_info_v2(
3174     struct dc_bios *dcb,
3175     unsigned int i,
3176     struct slot_layout_info *slot_layout_info)
3177 {
3178     unsigned int record_offset;
3179     struct atom_display_object_path_v3 *object;
3180     struct atom_bracket_layout_record_v2 *record;
3181     struct atom_common_record_header *record_header;
3182     static enum bp_result result;
3183     struct bios_parser *bp;
3184     struct object_info_table *tbl;
3185     struct display_object_info_table_v1_5 *v1_5;
3186     struct graphics_object_id connector_id;
3187 
3188     record = NULL;
3189     record_header = NULL;
3190     result = BP_RESULT_NORECORD;
3191 
3192     bp = BP_FROM_DCB(dcb);
3193     tbl = &bp->object_info_tbl;
3194     v1_5 = tbl->v1_5;
3195 
3196     object = &v1_5->display_path[i];
3197     record_offset = (unsigned int)
3198         (object->disp_recordoffset) +
3199         (unsigned int)(bp->object_info_tbl_offset);
3200 
3201     for (;;) {
3202 
3203         record_header = (struct atom_common_record_header *)
3204             GET_IMAGE(struct atom_common_record_header,
3205             record_offset);
3206         if (record_header == NULL) {
3207             result = BP_RESULT_BADBIOSTABLE;
3208             break;
3209         }
3210 
3211         /* the end of the list */
3212         if (record_header->record_type == ATOM_RECORD_END_TYPE ||
3213             record_header->record_size == 0)    {
3214             break;
3215         }
3216 
3217         if (record_header->record_type ==
3218             ATOM_BRACKET_LAYOUT_V2_RECORD_TYPE &&
3219             sizeof(struct atom_bracket_layout_record_v2)
3220             <= record_header->record_size) {
3221             record = (struct atom_bracket_layout_record_v2 *)
3222                 (record_header);
3223             result = BP_RESULT_OK;
3224             break;
3225         }
3226 
3227         record_offset += record_header->record_size;
3228     }
3229 
3230     /* return if the record not found */
3231     if (result != BP_RESULT_OK)
3232         return result;
3233 
3234     /* get slot sizes */
3235     connector_id = object_id_from_bios_object_id(object->display_objid);
3236 
3237     slot_layout_info->length = record->bracketlen;
3238     slot_layout_info->width = record->bracketwidth;
3239     slot_layout_info->num_of_connectors = v1_5->number_of_path;
3240     slot_layout_info->connectors[i].position = record->conn_num;
3241     slot_layout_info->connectors[i].connector_id = connector_id;
3242 
3243     switch (connector_id.id) {
3244     case CONNECTOR_ID_SINGLE_LINK_DVID:
3245     case CONNECTOR_ID_DUAL_LINK_DVID:
3246         slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DVI_D;
3247         slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DVI;
3248         break;
3249 
3250     case CONNECTOR_ID_HDMI_TYPE_A:
3251         slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_HDMI;
3252         slot_layout_info->connectors[i].length = CONNECTOR_SIZE_HDMI;
3253         break;
3254 
3255     case CONNECTOR_ID_DISPLAY_PORT:
3256     case CONNECTOR_ID_USBC:
3257         if (record->mini_type == MINI_TYPE_NORMAL) {
3258             slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_DP;
3259             slot_layout_info->connectors[i].length = CONNECTOR_SIZE_DP;
3260         } else {
3261             slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_MINI_DP;
3262             slot_layout_info->connectors[i].length = CONNECTOR_SIZE_MINI_DP;
3263         }
3264         break;
3265 
3266     default:
3267         slot_layout_info->connectors[i].connector_type = CONNECTOR_LAYOUT_TYPE_UNKNOWN;
3268         slot_layout_info->connectors[i].length = CONNECTOR_SIZE_UNKNOWN;
3269     }
3270     return result;
3271 }
3272 
3273 static enum bp_result get_bracket_layout_record(
3274     struct dc_bios *dcb,
3275     unsigned int bracket_layout_id,
3276     struct slot_layout_info *slot_layout_info)
3277 {
3278     unsigned int i;
3279     struct bios_parser *bp = BP_FROM_DCB(dcb);
3280     static enum bp_result result;
3281     struct object_info_table *tbl;
3282     struct display_object_info_table_v1_4 *v1_4;
3283     struct display_object_info_table_v1_5 *v1_5;
3284 
3285     if (slot_layout_info == NULL) {
3286         DC_LOG_DETECTION_EDID_PARSER("Invalid slot_layout_info\n");
3287         return BP_RESULT_BADINPUT;
3288     }
3289     tbl = &bp->object_info_tbl;
3290     v1_4 = tbl->v1_4;
3291     v1_5 = tbl->v1_5;
3292 
3293     result = BP_RESULT_NORECORD;
3294     switch (bp->object_info_tbl.revision.minor) {
3295         case 4:
3296         default:
3297             for (i = 0; i < v1_4->number_of_path; ++i)  {
3298                 if (bracket_layout_id ==
3299                     v1_4->display_path[i].display_objid) {
3300                     result = update_slot_layout_info(dcb, i, slot_layout_info);
3301                     break;
3302                 }
3303             }
3304             break;
3305         case 5:
3306             for (i = 0; i < v1_5->number_of_path; ++i)
3307                 result = update_slot_layout_info_v2(dcb, i, slot_layout_info);
3308             break;
3309     }
3310     return result;
3311 }
3312 
3313 static enum bp_result bios_get_board_layout_info(
3314     struct dc_bios *dcb,
3315     struct board_layout_info *board_layout_info)
3316 {
3317     unsigned int i;
3318 
3319     struct bios_parser *bp;
3320 
3321     static enum bp_result record_result;
3322 
3323     const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
3324         GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
3325         GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
3326         0, 0
3327     };
3328 
3329 
3330     bp = BP_FROM_DCB(dcb);
3331 
3332     if (board_layout_info == NULL) {
3333         DC_LOG_DETECTION_EDID_PARSER("Invalid board_layout_info\n");
3334         return BP_RESULT_BADINPUT;
3335     }
3336 
3337     board_layout_info->num_of_slots = 0;
3338 
3339     for (i = 0; i < MAX_BOARD_SLOTS; ++i) {
3340         record_result = get_bracket_layout_record(dcb,
3341             slot_index_to_vbios_id[i],
3342             &board_layout_info->slots[i]);
3343 
3344         if (record_result == BP_RESULT_NORECORD && i > 0)
3345             break; /* no more slots present in bios */
3346         else if (record_result != BP_RESULT_OK)
3347             return record_result;  /* fail */
3348 
3349         ++board_layout_info->num_of_slots;
3350     }
3351 
3352     /* all data is valid */
3353     board_layout_info->is_number_of_slots_valid = 1;
3354     board_layout_info->is_slots_size_valid = 1;
3355     board_layout_info->is_connector_offsets_valid = 1;
3356     board_layout_info->is_connector_lengths_valid = 1;
3357 
3358     return BP_RESULT_OK;
3359 }
3360 
3361 
3362 static uint16_t bios_parser_pack_data_tables(
3363     struct dc_bios *dcb,
3364     void *dst)
3365 {
3366     // TODO: There is data bytes alignment issue, disable it for now.
3367     return 0;
3368 }
3369 
3370 static struct atom_dc_golden_table_v1 *bios_get_golden_table(
3371         struct bios_parser *bp,
3372         uint32_t rev_major,
3373         uint32_t rev_minor,
3374         uint16_t *dc_golden_table_ver)
3375 {
3376     struct atom_display_controller_info_v4_4 *disp_cntl_tbl_4_4 = NULL;
3377     uint32_t dc_golden_offset = 0;
3378     *dc_golden_table_ver = 0;
3379 
3380     if (!DATA_TABLES(dce_info))
3381         return NULL;
3382 
3383     /* ver.4.4 or higher */
3384     switch (rev_major) {
3385     case 4:
3386         switch (rev_minor) {
3387         case 4:
3388             disp_cntl_tbl_4_4 = GET_IMAGE(struct atom_display_controller_info_v4_4,
3389                                     DATA_TABLES(dce_info));
3390             if (!disp_cntl_tbl_4_4)
3391                 return NULL;
3392             dc_golden_offset = DATA_TABLES(dce_info) + disp_cntl_tbl_4_4->dc_golden_table_offset;
3393             *dc_golden_table_ver = disp_cntl_tbl_4_4->dc_golden_table_ver;
3394             break;
3395         case 5:
3396         default:
3397             /* For atom_display_controller_info_v4_5 there is no need to get golden table from
3398              * dc_golden_table_offset as all these fields previously in golden table used for AUX
3399              * pre-charge settings are now available directly in atom_display_controller_info_v4_5.
3400              */
3401             break;
3402         }
3403         break;
3404     }
3405 
3406     if (!dc_golden_offset)
3407         return NULL;
3408 
3409     if (*dc_golden_table_ver != 1)
3410         return NULL;
3411 
3412     return GET_IMAGE(struct atom_dc_golden_table_v1,
3413             dc_golden_offset);
3414 }
3415 
3416 static enum bp_result bios_get_atom_dc_golden_table(
3417     struct dc_bios *dcb)
3418 {
3419     struct bios_parser *bp = BP_FROM_DCB(dcb);
3420     enum bp_result result = BP_RESULT_OK;
3421     struct atom_dc_golden_table_v1 *atom_dc_golden_table = NULL;
3422     struct atom_common_table_header *header;
3423     struct atom_data_revision tbl_revision;
3424     uint16_t dc_golden_table_ver = 0;
3425 
3426     header = GET_IMAGE(struct atom_common_table_header,
3427                             DATA_TABLES(dce_info));
3428     if (!header)
3429         return BP_RESULT_UNSUPPORTED;
3430 
3431     get_atom_data_table_revision(header, &tbl_revision);
3432 
3433     atom_dc_golden_table = bios_get_golden_table(bp,
3434             tbl_revision.major,
3435             tbl_revision.minor,
3436             &dc_golden_table_ver);
3437 
3438     if (!atom_dc_golden_table)
3439         return BP_RESULT_UNSUPPORTED;
3440 
3441     dcb->golden_table.dc_golden_table_ver = dc_golden_table_ver;
3442     dcb->golden_table.aux_dphy_rx_control0_val = atom_dc_golden_table->aux_dphy_rx_control0_val;
3443     dcb->golden_table.aux_dphy_rx_control1_val = atom_dc_golden_table->aux_dphy_rx_control1_val;
3444     dcb->golden_table.aux_dphy_tx_control_val = atom_dc_golden_table->aux_dphy_tx_control_val;
3445     dcb->golden_table.dc_gpio_aux_ctrl_0_val = atom_dc_golden_table->dc_gpio_aux_ctrl_0_val;
3446     dcb->golden_table.dc_gpio_aux_ctrl_1_val = atom_dc_golden_table->dc_gpio_aux_ctrl_1_val;
3447     dcb->golden_table.dc_gpio_aux_ctrl_2_val = atom_dc_golden_table->dc_gpio_aux_ctrl_2_val;
3448     dcb->golden_table.dc_gpio_aux_ctrl_3_val = atom_dc_golden_table->dc_gpio_aux_ctrl_3_val;
3449     dcb->golden_table.dc_gpio_aux_ctrl_4_val = atom_dc_golden_table->dc_gpio_aux_ctrl_4_val;
3450     dcb->golden_table.dc_gpio_aux_ctrl_5_val = atom_dc_golden_table->dc_gpio_aux_ctrl_5_val;
3451 
3452     return result;
3453 }
3454 
3455 
3456 static const struct dc_vbios_funcs vbios_funcs = {
3457     .get_connectors_number = bios_parser_get_connectors_number,
3458 
3459     .get_connector_id = bios_parser_get_connector_id,
3460 
3461     .get_src_obj = bios_parser_get_src_obj,
3462 
3463     .get_i2c_info = bios_parser_get_i2c_info,
3464 
3465     .get_hpd_info = bios_parser_get_hpd_info,
3466 
3467     .get_device_tag = bios_parser_get_device_tag,
3468 
3469     .get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,
3470 
3471     .get_ss_entry_number = bios_parser_get_ss_entry_number,
3472 
3473     .get_embedded_panel_info = bios_parser_get_embedded_panel_info,
3474 
3475     .get_gpio_pin_info = bios_parser_get_gpio_pin_info,
3476 
3477     .get_encoder_cap_info = bios_parser_get_encoder_cap_info,
3478 
3479     .is_device_id_supported = bios_parser_is_device_id_supported,
3480 
3481     .is_accelerated_mode = bios_parser_is_accelerated_mode,
3482 
3483     .set_scratch_critical_state = bios_parser_set_scratch_critical_state,
3484 
3485 
3486 /*   COMMANDS */
3487     .encoder_control = bios_parser_encoder_control,
3488 
3489     .transmitter_control = bios_parser_transmitter_control,
3490 
3491     .enable_crtc = bios_parser_enable_crtc,
3492 
3493     .set_pixel_clock = bios_parser_set_pixel_clock,
3494 
3495     .set_dce_clock = bios_parser_set_dce_clock,
3496 
3497     .program_crtc_timing = bios_parser_program_crtc_timing,
3498 
3499     .enable_disp_power_gating = bios_parser_enable_disp_power_gating,
3500 
3501     .bios_parser_destroy = firmware_parser_destroy,
3502 
3503     .get_board_layout_info = bios_get_board_layout_info,
3504     /* TODO: use this fn in hw init?*/
3505     .pack_data_tables = bios_parser_pack_data_tables,
3506 
3507     .get_atom_dc_golden_table = bios_get_atom_dc_golden_table,
3508 
3509     .enable_lvtma_control = bios_parser_enable_lvtma_control,
3510 
3511     .get_soc_bb_info = bios_parser_get_soc_bb_info,
3512 
3513     .get_disp_connector_caps_info = bios_parser_get_disp_connector_caps_info,
3514 
3515     .get_lttpr_caps = bios_parser_get_lttpr_caps,
3516 
3517     .get_lttpr_interop = bios_parser_get_lttpr_interop,
3518 
3519     .get_connector_speed_cap_info = bios_parser_get_connector_speed_cap_info,
3520 };
3521 
3522 static bool bios_parser2_construct(
3523     struct bios_parser *bp,
3524     struct bp_init_data *init,
3525     enum dce_version dce_version)
3526 {
3527     uint16_t *rom_header_offset = NULL;
3528     struct atom_rom_header_v2_2 *rom_header = NULL;
3529     struct display_object_info_table_v1_4 *object_info_tbl;
3530     struct atom_data_revision tbl_rev = {0};
3531 
3532     if (!init)
3533         return false;
3534 
3535     if (!init->bios)
3536         return false;
3537 
3538     bp->base.funcs = &vbios_funcs;
3539     bp->base.bios = init->bios;
3540     bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;
3541 
3542     bp->base.ctx = init->ctx;
3543 
3544     bp->base.bios_local_image = NULL;
3545 
3546     rom_header_offset =
3547             GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);
3548 
3549     if (!rom_header_offset)
3550         return false;
3551 
3552     rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);
3553 
3554     if (!rom_header)
3555         return false;
3556 
3557     get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
3558     if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
3559         return false;
3560 
3561     bp->master_data_tbl =
3562         GET_IMAGE(struct atom_master_data_table_v2_1,
3563                 rom_header->masterdatatable_offset);
3564 
3565     if (!bp->master_data_tbl)
3566         return false;
3567 
3568     bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);
3569 
3570     if (!bp->object_info_tbl_offset)
3571         return false;
3572 
3573     object_info_tbl =
3574             GET_IMAGE(struct display_object_info_table_v1_4,
3575                         bp->object_info_tbl_offset);
3576 
3577     if (!object_info_tbl)
3578         return false;
3579 
3580     get_atom_data_table_revision(&object_info_tbl->table_header,
3581         &bp->object_info_tbl.revision);
3582 
3583     if (bp->object_info_tbl.revision.major == 1
3584         && bp->object_info_tbl.revision.minor == 4) {
3585         struct display_object_info_table_v1_4 *tbl_v1_4;
3586 
3587         tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
3588             bp->object_info_tbl_offset);
3589         if (!tbl_v1_4)
3590             return false;
3591 
3592         bp->object_info_tbl.v1_4 = tbl_v1_4;
3593     } else if (bp->object_info_tbl.revision.major == 1
3594         && bp->object_info_tbl.revision.minor == 5) {
3595         struct display_object_info_table_v1_5 *tbl_v1_5;
3596 
3597         tbl_v1_5 = GET_IMAGE(struct display_object_info_table_v1_5,
3598             bp->object_info_tbl_offset);
3599         if (!tbl_v1_5)
3600             return false;
3601 
3602         bp->object_info_tbl.v1_5 = tbl_v1_5;
3603     } else {
3604         ASSERT(0);
3605         return false;
3606     }
3607 
3608     dal_firmware_parser_init_cmd_tbl(bp);
3609     dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);
3610 
3611     bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);
3612     bp->base.fw_info_valid = bios_parser_get_firmware_info(&bp->base, &bp->base.fw_info) == BP_RESULT_OK;
3613     bios_parser_get_vram_info(&bp->base, &bp->base.vram_info);
3614 
3615     return true;
3616 }
3617 
3618 struct dc_bios *firmware_parser_create(
3619     struct bp_init_data *init,
3620     enum dce_version dce_version)
3621 {
3622     struct bios_parser *bp = NULL;
3623 
3624     bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
3625     if (!bp)
3626         return NULL;
3627 
3628     if (bios_parser2_construct(bp, init, dce_version))
3629         return &bp->base;
3630 
3631     kfree(bp);
3632     return NULL;
3633 }
3634 
3635