sh: switch to NO_BOOTMEM

[mirror_ubuntu-eoan-kernel.git] / drivers / gpu / drm / amd / display / dc / bios / bios_parser2.c

/*
 * Copyright 2012-15 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#include "dm_services.h"

#include "ObjectID.h"
#include "atomfirmware.h"

#include "dc_bios_types.h"
#include "include/grph_object_ctrl_defs.h"
#include "include/bios_parser_interface.h"
#include "include/i2caux_interface.h"
#include "include/logger_interface.h"

#include "command_table2.h"

#include "bios_parser_helper.h"
#include "command_table_helper2.h"
#include "bios_parser2.h"
#include "bios_parser_types_internal2.h"
#include "bios_parser_interface.h"

#include "bios_parser_common.h"
#define LAST_RECORD_TYPE 0xff
#define SMU9_SYSPLL0_ID  0

struct i2c_id_config_access {
        uint8_t bfI2C_LineMux:4;
        uint8_t bfHW_EngineID:3;
        uint8_t bfHW_Capable:1;
        uint8_t ucAccess;
};

static enum bp_result get_gpio_i2c_info(struct bios_parser *bp,
        struct atom_i2c_record *record,
        struct graphics_object_i2c_info *info);

static enum bp_result bios_parser_get_firmware_info(
        struct dc_bios *dcb,
        struct dc_firmware_info *info);

static enum bp_result bios_parser_get_encoder_cap_info(
        struct dc_bios *dcb,
        struct graphics_object_id object_id,
        struct bp_encoder_cap_info *info);

static enum bp_result get_firmware_info_v3_1(
        struct bios_parser *bp,
        struct dc_firmware_info *info);

static struct atom_hpd_int_record *get_hpd_record(struct bios_parser *bp,
                struct atom_display_object_path_v2 *object);

static struct atom_encoder_caps_record *get_encoder_cap_record(
        struct bios_parser *bp,
        struct atom_display_object_path_v2 *object);

#define BIOS_IMAGE_SIZE_OFFSET 2
#define BIOS_IMAGE_SIZE_UNIT 512

#define DATA_TABLES(table) (bp->master_data_tbl->listOfdatatables.table)


static void destruct(struct bios_parser *bp)
{
        kfree(bp->base.bios_local_image);
        kfree(bp->base.integrated_info);
}

static void firmware_parser_destroy(struct dc_bios **dcb)
{
        struct bios_parser *bp = BP_FROM_DCB(*dcb);

        if (!bp) {
                BREAK_TO_DEBUGGER();
                return;
        }

        destruct(bp);

        kfree(bp);
        *dcb = NULL;
}

static void get_atom_data_table_revision(
        struct atom_common_table_header *atom_data_tbl,
        struct atom_data_revision *tbl_revision)
{
        if (!tbl_revision)
                return;

        /* initialize the revision to 0 which is invalid revision */
        tbl_revision->major = 0;
        tbl_revision->minor = 0;

        if (!atom_data_tbl)
                return;

        tbl_revision->major =
                        (uint32_t) atom_data_tbl->format_revision & 0x3f;
        tbl_revision->minor =
                        (uint32_t) atom_data_tbl->content_revision & 0x3f;
}

/* BIOS oject table displaypath is per connector.
 * There is extra path not for connector. BIOS fill its encoderid as 0
 */
static uint8_t bios_parser_get_connectors_number(struct dc_bios *dcb)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        unsigned int count = 0;
        unsigned int i;

        for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
                if (bp->object_info_tbl.v1_4->display_path[i].encoderobjid != 0)
                        count++;
        }
        return count;
}

static struct graphics_object_id bios_parser_get_encoder_id(
        struct dc_bios *dcb,
        uint32_t i)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct graphics_object_id object_id = dal_graphics_object_id_init(
                0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);

        if (bp->object_info_tbl.v1_4->number_of_path > i)
                object_id = object_id_from_bios_object_id(
                bp->object_info_tbl.v1_4->display_path[i].encoderobjid);

        return object_id;
}

static struct graphics_object_id bios_parser_get_connector_id(
        struct dc_bios *dcb,
        uint8_t i)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct graphics_object_id object_id = dal_graphics_object_id_init(
                0, ENUM_ID_UNKNOWN, OBJECT_TYPE_UNKNOWN);
        struct object_info_table *tbl = &bp->object_info_tbl;
        struct display_object_info_table_v1_4 *v1_4 = tbl->v1_4;

        if (v1_4->number_of_path > i) {
                /* If display_objid is generic object id,  the encoderObj
                 * /extencoderobjId should be 0
                 */
                if (v1_4->display_path[i].encoderobjid != 0 &&
                                v1_4->display_path[i].display_objid != 0)
                        object_id = object_id_from_bios_object_id(
                                        v1_4->display_path[i].display_objid);
        }

        return object_id;
}


/*  TODO:  GetNumberOfSrc*/

static uint32_t bios_parser_get_dst_number(struct dc_bios *dcb,
        struct graphics_object_id id)
{
        /* connector has 1 Dest, encoder has 0 Dest */
        switch (id.type) {
        case OBJECT_TYPE_ENCODER:
                return 0;
        case OBJECT_TYPE_CONNECTOR:
                return 1;
        default:
                return 0;
        }
}

/*  removed getSrcObjList, getDestObjList*/


static enum bp_result bios_parser_get_src_obj(struct dc_bios *dcb,
        struct graphics_object_id object_id, uint32_t index,
        struct graphics_object_id *src_object_id)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        unsigned int i;
        enum bp_result  bp_result = BP_RESULT_BADINPUT;
        struct graphics_object_id obj_id = {0};
        struct object_info_table *tbl = &bp->object_info_tbl;

        if (!src_object_id)
                return bp_result;

        switch (object_id.type) {
        /* Encoder's Source is GPU.  BIOS does not provide GPU, since all
         * displaypaths point to same GPU (0x1100).  Hardcode GPU object type
         */
        case OBJECT_TYPE_ENCODER:
                /* TODO: since num of src must be less than 2.
                 * If found in for loop, should break.
                 * DAL2 implementation may be changed too
                 */
                for (i = 0; i < tbl->v1_4->number_of_path; i++) {
                        obj_id = object_id_from_bios_object_id(
                        tbl->v1_4->display_path[i].encoderobjid);
                        if (object_id.type == obj_id.type &&
                                        object_id.id == obj_id.id &&
                                                object_id.enum_id ==
                                                        obj_id.enum_id) {
                                *src_object_id =
                                object_id_from_bios_object_id(0x1100);
                                /* break; */
                        }
                }
                bp_result = BP_RESULT_OK;
                break;
        case OBJECT_TYPE_CONNECTOR:
                for (i = 0; i < tbl->v1_4->number_of_path; i++) {
                        obj_id = object_id_from_bios_object_id(
                                tbl->v1_4->display_path[i].display_objid);

                        if (object_id.type == obj_id.type &&
                                object_id.id == obj_id.id &&
                                        object_id.enum_id == obj_id.enum_id) {
                                *src_object_id =
                                object_id_from_bios_object_id(
                                tbl->v1_4->display_path[i].encoderobjid);
                                /* break; */
                        }
                }
                bp_result = BP_RESULT_OK;
                break;
        default:
                break;
        }

        return bp_result;
}

static enum bp_result bios_parser_get_dst_obj(struct dc_bios *dcb,
        struct graphics_object_id object_id, uint32_t index,
        struct graphics_object_id *dest_object_id)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        unsigned int i;
        enum bp_result  bp_result = BP_RESULT_BADINPUT;
        struct graphics_object_id obj_id = {0};
        struct object_info_table *tbl = &bp->object_info_tbl;

        if (!dest_object_id)
                return BP_RESULT_BADINPUT;

        switch (object_id.type) {
        case OBJECT_TYPE_ENCODER:
                /* TODO: since num of src must be less than 2.
                 * If found in for loop, should break.
                 * DAL2 implementation may be changed too
                 */
                for (i = 0; i < tbl->v1_4->number_of_path; i++) {
                        obj_id = object_id_from_bios_object_id(
                                tbl->v1_4->display_path[i].encoderobjid);
                        if (object_id.type == obj_id.type &&
                                        object_id.id == obj_id.id &&
                                                object_id.enum_id ==
                                                        obj_id.enum_id) {
                                *dest_object_id =
                                        object_id_from_bios_object_id(
                                tbl->v1_4->display_path[i].display_objid);
                                /* break; */
                        }
                }
                bp_result = BP_RESULT_OK;
                break;
        default:
                break;
        }

        return bp_result;
}


/* from graphics_object_id, find display path which includes the object_id */
static struct atom_display_object_path_v2 *get_bios_object(
        struct bios_parser *bp,
        struct graphics_object_id id)
{
        unsigned int i;
        struct graphics_object_id obj_id = {0};

        switch (id.type) {
        case OBJECT_TYPE_ENCODER:
                for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
                        obj_id = object_id_from_bios_object_id(
                        bp->object_info_tbl.v1_4->display_path[i].encoderobjid);
                        if (id.type == obj_id.type &&
                                        id.id == obj_id.id &&
                                                id.enum_id == obj_id.enum_id)
                                return
                                &bp->object_info_tbl.v1_4->display_path[i];
                }
        case OBJECT_TYPE_CONNECTOR:
        case OBJECT_TYPE_GENERIC:
                /* Both Generic and Connector Object ID
                 * will be stored on display_objid
                */
                for (i = 0; i < bp->object_info_tbl.v1_4->number_of_path; i++) {
                        obj_id = object_id_from_bios_object_id(
                        bp->object_info_tbl.v1_4->display_path[i].display_objid
                        );
                        if (id.type == obj_id.type &&
                                        id.id == obj_id.id &&
                                                id.enum_id == obj_id.enum_id)
                                return
                                &bp->object_info_tbl.v1_4->display_path[i];
                }
        default:
                return NULL;
        }
}

static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
        struct graphics_object_id id,
        struct graphics_object_i2c_info *info)
{
        uint32_t offset;
        struct atom_display_object_path_v2 *object;
        struct atom_common_record_header *header;
        struct atom_i2c_record *record;
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!info)
                return BP_RESULT_BADINPUT;

        object = get_bios_object(bp, id);

        if (!object)
                return BP_RESULT_BADINPUT;

        offset = object->disp_recordoffset + bp->object_info_tbl_offset;

        for (;;) {
                header = GET_IMAGE(struct atom_common_record_header, offset);

                if (!header)
                        return BP_RESULT_BADBIOSTABLE;

                if (header->record_type == LAST_RECORD_TYPE ||
                        !header->record_size)
                        break;

                if (header->record_type == ATOM_I2C_RECORD_TYPE
                        && sizeof(struct atom_i2c_record) <=
                                                        header->record_size) {
                        /* get the I2C info */
                        record = (struct atom_i2c_record *) header;

                        if (get_gpio_i2c_info(bp, record, info) ==
                                                                BP_RESULT_OK)
                                return BP_RESULT_OK;
                }

                offset += header->record_size;
        }

        return BP_RESULT_NORECORD;
}

static enum bp_result get_gpio_i2c_info(
        struct bios_parser *bp,
        struct atom_i2c_record *record,
        struct graphics_object_i2c_info *info)
{
        struct atom_gpio_pin_lut_v2_1 *header;
        uint32_t count = 0;
        unsigned int table_index = 0;

        if (!info)
                return BP_RESULT_BADINPUT;

        /* get the GPIO_I2C info */
        if (!DATA_TABLES(gpio_pin_lut))
                return BP_RESULT_BADBIOSTABLE;

        header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
                                        DATA_TABLES(gpio_pin_lut));
        if (!header)
                return BP_RESULT_BADBIOSTABLE;

        if (sizeof(struct atom_common_table_header) +
                        sizeof(struct atom_gpio_pin_assignment) >
                        le16_to_cpu(header->table_header.structuresize))
                return BP_RESULT_BADBIOSTABLE;

        /* TODO: is version change? */
        if (header->table_header.content_revision != 1)
                return BP_RESULT_UNSUPPORTED;

        /* get data count */
        count = (le16_to_cpu(header->table_header.structuresize)
                        - sizeof(struct atom_common_table_header))
                                / sizeof(struct atom_gpio_pin_assignment);

        table_index = record->i2c_id  & I2C_HW_LANE_MUX;

        if (count < table_index) {
                bool find_valid = false;

                for (table_index = 0; table_index < count; table_index++) {
                        if (((record->i2c_id & I2C_HW_CAP) == (
                        header->gpio_pin[table_index].gpio_id &
                                                        I2C_HW_CAP)) &&
                        ((record->i2c_id & I2C_HW_ENGINE_ID_MASK)  ==
                        (header->gpio_pin[table_index].gpio_id &
                                                I2C_HW_ENGINE_ID_MASK)) &&
                        ((record->i2c_id & I2C_HW_LANE_MUX) ==
                        (header->gpio_pin[table_index].gpio_id &
                                                        I2C_HW_LANE_MUX))) {
                                /* still valid */
                                find_valid = true;
                                break;
                        }
                }
                /* If we don't find the entry that we are looking for then
                 *  we will return BP_Result_BadBiosTable.
                 */
                if (find_valid == false)
                        return BP_RESULT_BADBIOSTABLE;
        }

        /* get the GPIO_I2C_INFO */
        info->i2c_hw_assist = (record->i2c_id & I2C_HW_CAP) ? true : false;
        info->i2c_line = record->i2c_id & I2C_HW_LANE_MUX;
        info->i2c_engine_id = (record->i2c_id & I2C_HW_ENGINE_ID_MASK) >> 4;
        info->i2c_slave_address = record->i2c_slave_addr;

        /* TODO: check how to get register offset for en, Y, etc. */
        info->gpio_info.clk_a_register_index =
                        le16_to_cpu(
                        header->gpio_pin[table_index].data_a_reg_index);
        info->gpio_info.clk_a_shift =
                        header->gpio_pin[table_index].gpio_bitshift;

        return BP_RESULT_OK;
}

static enum bp_result get_voltage_ddc_info_v4(
        uint8_t *i2c_line,
        uint32_t index,
        struct atom_common_table_header *header,
        uint8_t *address)
{
        enum bp_result result = BP_RESULT_NORECORD;
        struct atom_voltage_objects_info_v4_1 *info =
                (struct atom_voltage_objects_info_v4_1 *) address;

        uint8_t *voltage_current_object =
                (uint8_t *) (&(info->voltage_object[0]));

        while ((address + le16_to_cpu(header->structuresize)) >
                                                voltage_current_object) {
                struct atom_i2c_voltage_object_v4 *object =
                        (struct atom_i2c_voltage_object_v4 *)
                                                voltage_current_object;

                if (object->header.voltage_mode ==
                        ATOM_INIT_VOLTAGE_REGULATOR) {
                        if (object->header.voltage_type == index) {
                                *i2c_line = object->i2c_id ^ 0x90;
                                result = BP_RESULT_OK;
                                break;
                        }
                }

                voltage_current_object +=
                                le16_to_cpu(object->header.object_size);
        }
        return result;
}

static enum bp_result bios_parser_get_thermal_ddc_info(
        struct dc_bios *dcb,
        uint32_t i2c_channel_id,
        struct graphics_object_i2c_info *info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct i2c_id_config_access *config;
        struct atom_i2c_record record;

        if (!info)
                return BP_RESULT_BADINPUT;

        config = (struct i2c_id_config_access *) &i2c_channel_id;

        record.i2c_id = config->bfHW_Capable;
        record.i2c_id |= config->bfI2C_LineMux;
        record.i2c_id |= config->bfHW_EngineID;

        return get_gpio_i2c_info(bp, &record, info);
}

static enum bp_result bios_parser_get_voltage_ddc_info(struct dc_bios *dcb,
        uint32_t index,
        struct graphics_object_i2c_info *info)
{
        uint8_t i2c_line = 0;
        enum bp_result result = BP_RESULT_NORECORD;
        uint8_t *voltage_info_address;
        struct atom_common_table_header *header;
        struct atom_data_revision revision = {0};
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!DATA_TABLES(voltageobject_info))
                return result;

        voltage_info_address = bios_get_image(&bp->base,
                        DATA_TABLES(voltageobject_info),
                        sizeof(struct atom_common_table_header));

        header = (struct atom_common_table_header *) voltage_info_address;

        get_atom_data_table_revision(header, &revision);

        switch (revision.major) {
        case 4:
                if (revision.minor != 1)
                        break;
                result = get_voltage_ddc_info_v4(&i2c_line, index, header,
                        voltage_info_address);
                break;
        }

        if (result == BP_RESULT_OK)
                result = bios_parser_get_thermal_ddc_info(dcb,
                        i2c_line, info);

        return result;
}

static enum bp_result bios_parser_get_hpd_info(
        struct dc_bios *dcb,
        struct graphics_object_id id,
        struct graphics_object_hpd_info *info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct atom_display_object_path_v2 *object;
        struct atom_hpd_int_record *record = NULL;

        if (!info)
                return BP_RESULT_BADINPUT;

        object = get_bios_object(bp, id);

        if (!object)
                return BP_RESULT_BADINPUT;

        record = get_hpd_record(bp, object);

        if (record != NULL) {
                info->hpd_int_gpio_uid = record->pin_id;
                info->hpd_active = record->plugin_pin_state;
                return BP_RESULT_OK;
        }

        return BP_RESULT_NORECORD;
}

static struct atom_hpd_int_record *get_hpd_record(
        struct bios_parser *bp,
        struct atom_display_object_path_v2 *object)
{
        struct atom_common_record_header *header;
        uint32_t offset;

        if (!object) {
                BREAK_TO_DEBUGGER(); /* Invalid object */
                return NULL;
        }

        offset = le16_to_cpu(object->disp_recordoffset)
                        + bp->object_info_tbl_offset;

        for (;;) {
                header = GET_IMAGE(struct atom_common_record_header, offset);

                if (!header)
                        return NULL;

                if (header->record_type == LAST_RECORD_TYPE ||
                        !header->record_size)
                        break;

                if (header->record_type == ATOM_HPD_INT_RECORD_TYPE
                        && sizeof(struct atom_hpd_int_record) <=
                                                        header->record_size)
                        return (struct atom_hpd_int_record *) header;

                offset += header->record_size;
        }

        return NULL;
}

/**
 * bios_parser_get_gpio_pin_info
 * Get GpioPin information of input gpio id
 *
 * @param gpio_id, GPIO ID
 * @param info, GpioPin information structure
 * @return Bios parser result code
 * @note
 *  to get the GPIO PIN INFO, we need:
 *  1. get the GPIO_ID from other object table, see GetHPDInfo()
 *  2. in DATA_TABLE.GPIO_Pin_LUT, search all records,
 *      to get the registerA  offset/mask
 */
static enum bp_result bios_parser_get_gpio_pin_info(
        struct dc_bios *dcb,
        uint32_t gpio_id,
        struct gpio_pin_info *info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct atom_gpio_pin_lut_v2_1 *header;
        uint32_t count = 0;
        uint32_t i = 0;

        if (!DATA_TABLES(gpio_pin_lut))
                return BP_RESULT_BADBIOSTABLE;

        header = GET_IMAGE(struct atom_gpio_pin_lut_v2_1,
                                                DATA_TABLES(gpio_pin_lut));
        if (!header)
                return BP_RESULT_BADBIOSTABLE;

        if (sizeof(struct atom_common_table_header) +
                        sizeof(struct atom_gpio_pin_lut_v2_1)
                        > le16_to_cpu(header->table_header.structuresize))
                return BP_RESULT_BADBIOSTABLE;

        if (header->table_header.content_revision != 1)
                return BP_RESULT_UNSUPPORTED;

        /* Temporary hard code gpio pin info */
#if defined(FOR_SIMNOW_BOOT)
        {
                struct  atom_gpio_pin_assignment  gpio_pin[8] = {
                                {0x5db5, 0, 0, 1, 0},
                                {0x5db5, 8, 8, 2, 0},
                                {0x5db5, 0x10, 0x10, 3, 0},
                                {0x5db5, 0x18, 0x14, 4, 0},
                                {0x5db5, 0x1A, 0x18, 5, 0},
                                {0x5db5, 0x1C, 0x1C, 6, 0},
                };

                count = 6;
                memmove(header->gpio_pin, gpio_pin, sizeof(gpio_pin));
        }
#else
        count = (le16_to_cpu(header->table_header.structuresize)
                        - sizeof(struct atom_common_table_header))
                                / sizeof(struct atom_gpio_pin_assignment);
#endif
        for (i = 0; i < count; ++i) {
                if (header->gpio_pin[i].gpio_id != gpio_id)
                        continue;

                info->offset =
                        (uint32_t) le16_to_cpu(
                                        header->gpio_pin[i].data_a_reg_index);
                info->offset_y = info->offset + 2;
                info->offset_en = info->offset + 1;
                info->offset_mask = info->offset - 1;

                info->mask = (uint32_t) (1 <<
                        header->gpio_pin[i].gpio_bitshift);
                info->mask_y = info->mask + 2;
                info->mask_en = info->mask + 1;
                info->mask_mask = info->mask - 1;

                return BP_RESULT_OK;
        }

        return BP_RESULT_NORECORD;
}

static struct device_id device_type_from_device_id(uint16_t device_id)
{

        struct device_id result_device_id;

        result_device_id.raw_device_tag = device_id;

        switch (device_id) {
        case ATOM_DISPLAY_LCD1_SUPPORT:
                result_device_id.device_type = DEVICE_TYPE_LCD;
                result_device_id.enum_id = 1;
                break;

        case ATOM_DISPLAY_DFP1_SUPPORT:
                result_device_id.device_type = DEVICE_TYPE_DFP;
                result_device_id.enum_id = 1;
                break;

        case ATOM_DISPLAY_DFP2_SUPPORT:
                result_device_id.device_type = DEVICE_TYPE_DFP;
                result_device_id.enum_id = 2;
                break;

        case ATOM_DISPLAY_DFP3_SUPPORT:
                result_device_id.device_type = DEVICE_TYPE_DFP;
                result_device_id.enum_id = 3;
                break;

        case ATOM_DISPLAY_DFP4_SUPPORT:
                result_device_id.device_type = DEVICE_TYPE_DFP;
                result_device_id.enum_id = 4;
                break;

        case ATOM_DISPLAY_DFP5_SUPPORT:
                result_device_id.device_type = DEVICE_TYPE_DFP;
                result_device_id.enum_id = 5;
                break;

        case ATOM_DISPLAY_DFP6_SUPPORT:
                result_device_id.device_type = DEVICE_TYPE_DFP;
                result_device_id.enum_id = 6;
                break;

        default:
                BREAK_TO_DEBUGGER(); /* Invalid device Id */
                result_device_id.device_type = DEVICE_TYPE_UNKNOWN;
                result_device_id.enum_id = 0;
        }
        return result_device_id;
}

static enum bp_result bios_parser_get_device_tag(
        struct dc_bios *dcb,
        struct graphics_object_id connector_object_id,
        uint32_t device_tag_index,
        struct connector_device_tag_info *info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct atom_display_object_path_v2 *object;

        if (!info)
                return BP_RESULT_BADINPUT;

        /* getBiosObject will return MXM object */
        object = get_bios_object(bp, connector_object_id);

        if (!object) {
                BREAK_TO_DEBUGGER(); /* Invalid object id */
                return BP_RESULT_BADINPUT;
        }

        info->acpi_device = 0; /* BIOS no longer provides this */
        info->dev_id = device_type_from_device_id(object->device_tag);

        return BP_RESULT_OK;
}

static enum bp_result get_ss_info_v4_1(
        struct bios_parser *bp,
        uint32_t id,
        uint32_t index,
        struct spread_spectrum_info *ss_info)
{
        enum bp_result result = BP_RESULT_OK;
        struct atom_display_controller_info_v4_1 *disp_cntl_tbl = NULL;

        if (!ss_info)
                return BP_RESULT_BADINPUT;

        if (!DATA_TABLES(dce_info))
                return BP_RESULT_BADBIOSTABLE;

        disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_1,
                                                        DATA_TABLES(dce_info));
        if (!disp_cntl_tbl)
                return BP_RESULT_BADBIOSTABLE;

        ss_info->type.STEP_AND_DELAY_INFO = false;
        ss_info->spread_percentage_divider = 1000;
        /* BIOS no longer uses target clock.  Always enable for now */
        ss_info->target_clock_range = 0xffffffff;

        switch (id) {
        case AS_SIGNAL_TYPE_DVI:
                ss_info->spread_spectrum_percentage =
                                disp_cntl_tbl->dvi_ss_percentage;
                ss_info->spread_spectrum_range =
                                disp_cntl_tbl->dvi_ss_rate_10hz * 10;
                if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
                        ss_info->type.CENTER_MODE = true;
                break;
        case AS_SIGNAL_TYPE_HDMI:
                ss_info->spread_spectrum_percentage =
                                disp_cntl_tbl->hdmi_ss_percentage;
                ss_info->spread_spectrum_range =
                                disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
                if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
                        ss_info->type.CENTER_MODE = true;
                break;
        /* TODO LVDS not support anymore? */
        case AS_SIGNAL_TYPE_DISPLAY_PORT:
                ss_info->spread_spectrum_percentage =
                                disp_cntl_tbl->dp_ss_percentage;
                ss_info->spread_spectrum_range =
                                disp_cntl_tbl->dp_ss_rate_10hz * 10;
                if (disp_cntl_tbl->dp_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
                        ss_info->type.CENTER_MODE = true;
                break;
        case AS_SIGNAL_TYPE_GPU_PLL:
                /* atom_firmware: DAL only get data from dce_info table.
                 * if data within smu_info is needed for DAL, VBIOS should
                 * copy it into dce_info
                 */
                result = BP_RESULT_UNSUPPORTED;
                break;
        default:
                result = BP_RESULT_UNSUPPORTED;
        }

        return result;
}

static enum bp_result get_ss_info_v4_2(
        struct bios_parser *bp,
        uint32_t id,
        uint32_t index,
        struct spread_spectrum_info *ss_info)
{
        enum bp_result result = BP_RESULT_OK;
        struct atom_display_controller_info_v4_2 *disp_cntl_tbl = NULL;
        struct atom_smu_info_v3_1 *smu_info = NULL;

        if (!ss_info)
                return BP_RESULT_BADINPUT;

        if (!DATA_TABLES(dce_info))
                return BP_RESULT_BADBIOSTABLE;

        if (!DATA_TABLES(smu_info))
                return BP_RESULT_BADBIOSTABLE;

        disp_cntl_tbl =  GET_IMAGE(struct atom_display_controller_info_v4_2,
                                                        DATA_TABLES(dce_info));
        if (!disp_cntl_tbl)
                return BP_RESULT_BADBIOSTABLE;

        smu_info =  GET_IMAGE(struct atom_smu_info_v3_1, DATA_TABLES(smu_info));
        if (!smu_info)
                return BP_RESULT_BADBIOSTABLE;

        ss_info->type.STEP_AND_DELAY_INFO = false;
        ss_info->spread_percentage_divider = 1000;
        /* BIOS no longer uses target clock.  Always enable for now */
        ss_info->target_clock_range = 0xffffffff;

        switch (id) {
        case AS_SIGNAL_TYPE_DVI:
                ss_info->spread_spectrum_percentage =
                                disp_cntl_tbl->dvi_ss_percentage;
                ss_info->spread_spectrum_range =
                                disp_cntl_tbl->dvi_ss_rate_10hz * 10;
                if (disp_cntl_tbl->dvi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
                        ss_info->type.CENTER_MODE = true;
                break;
        case AS_SIGNAL_TYPE_HDMI:
                ss_info->spread_spectrum_percentage =
                                disp_cntl_tbl->hdmi_ss_percentage;
                ss_info->spread_spectrum_range =
                                disp_cntl_tbl->hdmi_ss_rate_10hz * 10;
                if (disp_cntl_tbl->hdmi_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
                        ss_info->type.CENTER_MODE = true;
                break;
        /* TODO LVDS not support anymore? */
        case AS_SIGNAL_TYPE_DISPLAY_PORT:
                ss_info->spread_spectrum_percentage =
                                smu_info->gpuclk_ss_percentage;
                ss_info->spread_spectrum_range =
                                smu_info->gpuclk_ss_rate_10hz * 10;
                if (smu_info->gpuclk_ss_mode & ATOM_SS_CENTRE_SPREAD_MODE)
                        ss_info->type.CENTER_MODE = true;
                break;
        case AS_SIGNAL_TYPE_GPU_PLL:
                /* atom_firmware: DAL only get data from dce_info table.
                 * if data within smu_info is needed for DAL, VBIOS should
                 * copy it into dce_info
                 */
                result = BP_RESULT_UNSUPPORTED;
                break;
        default:
                result = BP_RESULT_UNSUPPORTED;
        }

        return result;
}

/**
 * bios_parser_get_spread_spectrum_info
 * Get spread spectrum information from the ASIC_InternalSS_Info(ver 2.1 or
 * ver 3.1) or SS_Info table from the VBIOS. Currently ASIC_InternalSS_Info
 * ver 2.1 can co-exist with SS_Info table. Expect ASIC_InternalSS_Info
 * ver 3.1,
 * there is only one entry for each signal /ss id.  However, there is
 * no planning of supporting multiple spread Sprectum entry for EverGreen
 * @param [in] this
 * @param [in] signal, ASSignalType to be converted to info index
 * @param [in] index, number of entries that match the converted info index
 * @param [out] ss_info, sprectrum information structure,
 * @return Bios parser result code
 */
static enum bp_result bios_parser_get_spread_spectrum_info(
        struct dc_bios *dcb,
        enum as_signal_type signal,
        uint32_t index,
        struct spread_spectrum_info *ss_info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        enum bp_result result = BP_RESULT_UNSUPPORTED;
        struct atom_common_table_header *header;
        struct atom_data_revision tbl_revision;

        if (!ss_info) /* check for bad input */
                return BP_RESULT_BADINPUT;

        if (!DATA_TABLES(dce_info))
                return BP_RESULT_UNSUPPORTED;

        header = GET_IMAGE(struct atom_common_table_header,
                                                DATA_TABLES(dce_info));
        get_atom_data_table_revision(header, &tbl_revision);

        switch (tbl_revision.major) {
        case 4:
                switch (tbl_revision.minor) {
                case 1:
                        return get_ss_info_v4_1(bp, signal, index, ss_info);
                case 2:
                        return get_ss_info_v4_2(bp, signal, index, ss_info);
                default:
                        break;
                }
                break;
        default:
                break;
        }
        /* there can not be more then one entry for SS Info table */
        return result;
}

static enum bp_result get_embedded_panel_info_v2_1(
        struct bios_parser *bp,
        struct embedded_panel_info *info)
{
        struct lcd_info_v2_1 *lvds;

        if (!info)
                return BP_RESULT_BADINPUT;

        if (!DATA_TABLES(lcd_info))
                return BP_RESULT_UNSUPPORTED;

        lvds = GET_IMAGE(struct lcd_info_v2_1, DATA_TABLES(lcd_info));

        if (!lvds)
                return BP_RESULT_BADBIOSTABLE;

        /* TODO: previous vv1_3, should v2_1 */
        if (!((lvds->table_header.format_revision == 2)
                        && (lvds->table_header.content_revision >= 1)))
                return BP_RESULT_UNSUPPORTED;

        memset(info, 0, sizeof(struct embedded_panel_info));

        /* We need to convert from 10KHz units into KHz units */
        info->lcd_timing.pixel_clk =
                        le16_to_cpu(lvds->lcd_timing.pixclk) * 10;
        /* usHActive does not include borders, according to VBIOS team */
        info->lcd_timing.horizontal_addressable =
                        le16_to_cpu(lvds->lcd_timing.h_active);
        /* usHBlanking_Time includes borders, so we should really be
         * subtractingborders duing this translation, but LVDS generally
         * doesn't have borders, so we should be okay leaving this as is for
         * now.  May need to revisit if we ever have LVDS with borders
         */
        info->lcd_timing.horizontal_blanking_time =
                le16_to_cpu(lvds->lcd_timing.h_blanking_time);
        /* usVActive does not include borders, according to VBIOS team*/
        info->lcd_timing.vertical_addressable =
                le16_to_cpu(lvds->lcd_timing.v_active);
        /* usVBlanking_Time includes borders, so we should really be
         * subtracting borders duing this translation, but LVDS generally
         * doesn't have borders, so we should be okay leaving this as is for
         * now. May need to revisit if we ever have LVDS with borders
         */
        info->lcd_timing.vertical_blanking_time =
                le16_to_cpu(lvds->lcd_timing.v_blanking_time);
        info->lcd_timing.horizontal_sync_offset =
                le16_to_cpu(lvds->lcd_timing.h_sync_offset);
        info->lcd_timing.horizontal_sync_width =
                le16_to_cpu(lvds->lcd_timing.h_sync_width);
        info->lcd_timing.vertical_sync_offset =
                le16_to_cpu(lvds->lcd_timing.v_sync_offset);
        info->lcd_timing.vertical_sync_width =
                le16_to_cpu(lvds->lcd_timing.v_syncwidth);
        info->lcd_timing.horizontal_border = lvds->lcd_timing.h_border;
        info->lcd_timing.vertical_border = lvds->lcd_timing.v_border;

        /* not provided by VBIOS */
        info->lcd_timing.misc_info.HORIZONTAL_CUT_OFF = 0;

        info->lcd_timing.misc_info.H_SYNC_POLARITY =
                ~(uint32_t)
                (lvds->lcd_timing.miscinfo & ATOM_HSYNC_POLARITY);
        info->lcd_timing.misc_info.V_SYNC_POLARITY =
                ~(uint32_t)
                (lvds->lcd_timing.miscinfo & ATOM_VSYNC_POLARITY);

        /* not provided by VBIOS */
        info->lcd_timing.misc_info.VERTICAL_CUT_OFF = 0;

        info->lcd_timing.misc_info.H_REPLICATION_BY2 =
                !!(lvds->lcd_timing.miscinfo & ATOM_H_REPLICATIONBY2);
        info->lcd_timing.misc_info.V_REPLICATION_BY2 =
                !!(lvds->lcd_timing.miscinfo & ATOM_V_REPLICATIONBY2);
        info->lcd_timing.misc_info.COMPOSITE_SYNC =
                !!(lvds->lcd_timing.miscinfo & ATOM_COMPOSITESYNC);
        info->lcd_timing.misc_info.INTERLACE =
                !!(lvds->lcd_timing.miscinfo & ATOM_INTERLACE);

        /* not provided by VBIOS*/
        info->lcd_timing.misc_info.DOUBLE_CLOCK = 0;
        /* not provided by VBIOS*/
        info->ss_id = 0;

        info->realtek_eDPToLVDS =
                        !!(lvds->dplvdsrxid == eDP_TO_LVDS_REALTEK_ID);

        return BP_RESULT_OK;
}

static enum bp_result bios_parser_get_embedded_panel_info(
        struct dc_bios *dcb,
        struct embedded_panel_info *info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct atom_common_table_header *header;
        struct atom_data_revision tbl_revision;

        if (!DATA_TABLES(lcd_info))
                return BP_RESULT_FAILURE;

        header = GET_IMAGE(struct atom_common_table_header,
                                        DATA_TABLES(lcd_info));

        if (!header)
                return BP_RESULT_BADBIOSTABLE;

        get_atom_data_table_revision(header, &tbl_revision);


        switch (tbl_revision.major) {
        case 2:
                switch (tbl_revision.minor) {
                case 1:
                        return get_embedded_panel_info_v2_1(bp, info);
                default:
                        break;
                }
        default:
                break;
        }

        return BP_RESULT_FAILURE;
}

static uint32_t get_support_mask_for_device_id(struct device_id device_id)
{
        enum dal_device_type device_type = device_id.device_type;
        uint32_t enum_id = device_id.enum_id;

        switch (device_type) {
        case DEVICE_TYPE_LCD:
                switch (enum_id) {
                case 1:
                        return ATOM_DISPLAY_LCD1_SUPPORT;
                default:
                        break;
                }
                break;
        case DEVICE_TYPE_DFP:
                switch (enum_id) {
                case 1:
                        return ATOM_DISPLAY_DFP1_SUPPORT;
                case 2:
                        return ATOM_DISPLAY_DFP2_SUPPORT;
                case 3:
                        return ATOM_DISPLAY_DFP3_SUPPORT;
                case 4:
                        return ATOM_DISPLAY_DFP4_SUPPORT;
                case 5:
                        return ATOM_DISPLAY_DFP5_SUPPORT;
                case 6:
                        return ATOM_DISPLAY_DFP6_SUPPORT;
                default:
                        break;
                }
                break;
        default:
                break;
        };

        /* Unidentified device ID, return empty support mask. */
        return 0;
}

static bool bios_parser_is_device_id_supported(
        struct dc_bios *dcb,
        struct device_id id)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        uint32_t mask = get_support_mask_for_device_id(id);

        return (le16_to_cpu(bp->object_info_tbl.v1_4->supporteddevices) &
                                                                mask) != 0;
}

static void bios_parser_post_init(
        struct dc_bios *dcb)
{
        /* TODO for OPM module. Need implement later */
}

static uint32_t bios_parser_get_ss_entry_number(
        struct dc_bios *dcb,
        enum as_signal_type signal)
{
        /* TODO: DAL2 atomfirmware implementation does not need this.
         * why DAL3 need this?
         */
        return 1;
}

static enum bp_result bios_parser_transmitter_control(
        struct dc_bios *dcb,
        struct bp_transmitter_control *cntl)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.transmitter_control)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.transmitter_control(bp, cntl);
}

static enum bp_result bios_parser_encoder_control(
        struct dc_bios *dcb,
        struct bp_encoder_control *cntl)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.dig_encoder_control)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.dig_encoder_control(bp, cntl);
}

static enum bp_result bios_parser_set_pixel_clock(
        struct dc_bios *dcb,
        struct bp_pixel_clock_parameters *bp_params)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.set_pixel_clock)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.set_pixel_clock(bp, bp_params);
}

static enum bp_result bios_parser_set_dce_clock(
        struct dc_bios *dcb,
        struct bp_set_dce_clock_parameters *bp_params)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.set_dce_clock)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.set_dce_clock(bp, bp_params);
}

static unsigned int bios_parser_get_smu_clock_info(
        struct dc_bios *dcb)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.get_smu_clock_info)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.get_smu_clock_info(bp, 0);
}

static enum bp_result bios_parser_program_crtc_timing(
        struct dc_bios *dcb,
        struct bp_hw_crtc_timing_parameters *bp_params)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.set_crtc_timing)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.set_crtc_timing(bp, bp_params);
}

static enum bp_result bios_parser_enable_crtc(
        struct dc_bios *dcb,
        enum controller_id id,
        bool enable)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.enable_crtc)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.enable_crtc(bp, id, enable);
}

static enum bp_result bios_parser_crtc_source_select(
        struct dc_bios *dcb,
        struct bp_crtc_source_select *bp_params)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.select_crtc_source)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.select_crtc_source(bp, bp_params);
}

static enum bp_result bios_parser_enable_disp_power_gating(
        struct dc_bios *dcb,
        enum controller_id controller_id,
        enum bp_pipe_control_action action)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);

        if (!bp->cmd_tbl.enable_disp_power_gating)
                return BP_RESULT_FAILURE;

        return bp->cmd_tbl.enable_disp_power_gating(bp, controller_id,
                action);
}

static bool bios_parser_is_accelerated_mode(
        struct dc_bios *dcb)
{
        return bios_is_accelerated_mode(dcb);
}

static uint32_t bios_parser_get_vga_enabled_displays(
        struct dc_bios *bios)
{
        return bios_get_vga_enabled_displays(bios);
}


/**
 * bios_parser_set_scratch_critical_state
 *
 * @brief
 *  update critical state bit in VBIOS scratch register
 *
 * @param
 *  bool - to set or reset state
 */
static void bios_parser_set_scratch_critical_state(
        struct dc_bios *dcb,
        bool state)
{
        bios_set_scratch_critical_state(dcb, state);
}

static enum bp_result bios_parser_get_firmware_info(
        struct dc_bios *dcb,
        struct dc_firmware_info *info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        enum bp_result result = BP_RESULT_BADBIOSTABLE;
        struct atom_common_table_header *header;

        struct atom_data_revision revision;

        if (info && DATA_TABLES(firmwareinfo)) {
                header = GET_IMAGE(struct atom_common_table_header,
                                DATA_TABLES(firmwareinfo));
                get_atom_data_table_revision(header, &revision);
                switch (revision.major) {
                case 3:
                        switch (revision.minor) {
                        case 1:
                        case 2:
                                result = get_firmware_info_v3_1(bp, info);
                                break;
                        default:
                                break;
                        }
                        break;
                default:
                        break;
                }
        }

        return result;
}

static enum bp_result get_firmware_info_v3_1(
        struct bios_parser *bp,
        struct dc_firmware_info *info)
{
        struct atom_firmware_info_v3_1 *firmware_info;
        struct atom_display_controller_info_v4_1 *dce_info = NULL;

        if (!info)
                return BP_RESULT_BADINPUT;

        firmware_info = GET_IMAGE(struct atom_firmware_info_v3_1,
                        DATA_TABLES(firmwareinfo));

        dce_info = GET_IMAGE(struct atom_display_controller_info_v4_1,
                        DATA_TABLES(dce_info));

        if (!firmware_info || !dce_info)
                return BP_RESULT_BADBIOSTABLE;

        memset(info, 0, sizeof(*info));

        /* Pixel clock pll information. */
         /* We need to convert from 10KHz units into KHz units */
        info->default_memory_clk = firmware_info->bootup_mclk_in10khz * 10;
        info->default_engine_clk = firmware_info->bootup_sclk_in10khz * 10;

         /* 27MHz for Vega10: */
        info->pll_info.crystal_frequency = dce_info->dce_refclk_10khz * 10;

        /* Hardcode frequency if BIOS gives no DCE Ref Clk */
        if (info->pll_info.crystal_frequency == 0)
                info->pll_info.crystal_frequency = 27000;
        /*dp_phy_ref_clk is not correct for atom_display_controller_info_v4_2, but we don't use it*/
        info->dp_phy_ref_clk     = dce_info->dpphy_refclk_10khz * 10;
        info->i2c_engine_ref_clk = dce_info->i2c_engine_refclk_10khz * 10;

        /* Get GPU PLL VCO Clock */

        if (bp->cmd_tbl.get_smu_clock_info != NULL) {
                /* VBIOS gives in 10KHz */
                info->smu_gpu_pll_output_freq =
                                bp->cmd_tbl.get_smu_clock_info(bp, SMU9_SYSPLL0_ID) * 10;
        }

        return BP_RESULT_OK;
}

static enum bp_result bios_parser_get_encoder_cap_info(
        struct dc_bios *dcb,
        struct graphics_object_id object_id,
        struct bp_encoder_cap_info *info)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct atom_display_object_path_v2 *object;
        struct atom_encoder_caps_record *record = NULL;

        if (!info)
                return BP_RESULT_BADINPUT;

        object = get_bios_object(bp, object_id);

        if (!object)
                return BP_RESULT_BADINPUT;

        record = get_encoder_cap_record(bp, object);
        if (!record)
                return BP_RESULT_NORECORD;

        info->DP_HBR2_CAP = (record->encodercaps &
                        ATOM_ENCODER_CAP_RECORD_HBR2) ? 1 : 0;
        info->DP_HBR2_EN = (record->encodercaps &
                        ATOM_ENCODER_CAP_RECORD_HBR2_EN) ? 1 : 0;
        info->DP_HBR3_EN = (record->encodercaps &
                        ATOM_ENCODER_CAP_RECORD_HBR3_EN) ? 1 : 0;
        info->HDMI_6GB_EN = (record->encodercaps &
                        ATOM_ENCODER_CAP_RECORD_HDMI6Gbps_EN) ? 1 : 0;

        return BP_RESULT_OK;
}


static struct atom_encoder_caps_record *get_encoder_cap_record(
        struct bios_parser *bp,
        struct atom_display_object_path_v2 *object)
{
        struct atom_common_record_header *header;
        uint32_t offset;

        if (!object) {
                BREAK_TO_DEBUGGER(); /* Invalid object */
                return NULL;
        }

        offset = object->encoder_recordoffset + bp->object_info_tbl_offset;

        for (;;) {
                header = GET_IMAGE(struct atom_common_record_header, offset);

                if (!header)
                        return NULL;

                offset += header->record_size;

                if (header->record_type == LAST_RECORD_TYPE ||
                                !header->record_size)
                        break;

                if (header->record_type != ATOM_ENCODER_CAP_RECORD_TYPE)
                        continue;

                if (sizeof(struct atom_encoder_caps_record) <=
                                                        header->record_size)
                        return (struct atom_encoder_caps_record *)header;
        }

        return NULL;
}

/*
 * get_integrated_info_v11
 *
 * @brief
 * Get V8 integrated BIOS information
 *
 * @param
 * bios_parser *bp - [in]BIOS parser handler to get master data table
 * integrated_info *info - [out] store and output integrated info
 *
 * @return
 * enum bp_result - BP_RESULT_OK if information is available,
 *                  BP_RESULT_BADBIOSTABLE otherwise.
 */
static enum bp_result get_integrated_info_v11(
        struct bios_parser *bp,
        struct integrated_info *info)
{
        struct atom_integrated_system_info_v1_11 *info_v11;
        uint32_t i;

        info_v11 = GET_IMAGE(struct atom_integrated_system_info_v1_11,
                                        DATA_TABLES(integratedsysteminfo));

        if (info_v11 == NULL)
                return BP_RESULT_BADBIOSTABLE;

        info->gpu_cap_info =
        le32_to_cpu(info_v11->gpucapinfo);
        /*
        * system_config: Bit[0] = 0 : PCIE power gating disabled
        *                       = 1 : PCIE power gating enabled
        *                Bit[1] = 0 : DDR-PLL shut down disabled
        *                       = 1 : DDR-PLL shut down enabled
        *                Bit[2] = 0 : DDR-PLL power down disabled
        *                       = 1 : DDR-PLL power down enabled
        */
        info->system_config = le32_to_cpu(info_v11->system_config);
        info->cpu_cap_info = le32_to_cpu(info_v11->cpucapinfo);
        info->memory_type = info_v11->memorytype;
        info->ma_channel_number = info_v11->umachannelnumber;
        info->lvds_ss_percentage =
        le16_to_cpu(info_v11->lvds_ss_percentage);
        info->lvds_sspread_rate_in_10hz =
        le16_to_cpu(info_v11->lvds_ss_rate_10hz);
        info->hdmi_ss_percentage =
        le16_to_cpu(info_v11->hdmi_ss_percentage);
        info->hdmi_sspread_rate_in_10hz =
        le16_to_cpu(info_v11->hdmi_ss_rate_10hz);
        info->dvi_ss_percentage =
        le16_to_cpu(info_v11->dvi_ss_percentage);
        info->dvi_sspread_rate_in_10_hz =
        le16_to_cpu(info_v11->dvi_ss_rate_10hz);
        info->lvds_misc = info_v11->lvds_misc;
        for (i = 0; i < NUMBER_OF_UCHAR_FOR_GUID; ++i) {
                info->ext_disp_conn_info.gu_id[i] =
                                info_v11->extdispconninfo.guid[i];
        }

        for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; ++i) {
                info->ext_disp_conn_info.path[i].device_connector_id =
                object_id_from_bios_object_id(
                le16_to_cpu(info_v11->extdispconninfo.path[i].connectorobjid));

                info->ext_disp_conn_info.path[i].ext_encoder_obj_id =
                object_id_from_bios_object_id(
                        le16_to_cpu(
                        info_v11->extdispconninfo.path[i].ext_encoder_objid));

                info->ext_disp_conn_info.path[i].device_tag =
                        le16_to_cpu(
                                info_v11->extdispconninfo.path[i].device_tag);
                info->ext_disp_conn_info.path[i].device_acpi_enum =
                le16_to_cpu(
                        info_v11->extdispconninfo.path[i].device_acpi_enum);
                info->ext_disp_conn_info.path[i].ext_aux_ddc_lut_index =
                        info_v11->extdispconninfo.path[i].auxddclut_index;
                info->ext_disp_conn_info.path[i].ext_hpd_pin_lut_index =
                        info_v11->extdispconninfo.path[i].hpdlut_index;
                info->ext_disp_conn_info.path[i].channel_mapping.raw =
                        info_v11->extdispconninfo.path[i].channelmapping;
                info->ext_disp_conn_info.path[i].caps =
                                le16_to_cpu(info_v11->extdispconninfo.path[i].caps);
        }
        info->ext_disp_conn_info.checksum =
        info_v11->extdispconninfo.checksum;

        info->dp0_ext_hdmi_slv_addr = info_v11->dp0_retimer_set.HdmiSlvAddr;
        info->dp0_ext_hdmi_reg_num = info_v11->dp0_retimer_set.HdmiRegNum;
        for (i = 0; i < info->dp0_ext_hdmi_reg_num; i++) {
                info->dp0_ext_hdmi_reg_settings[i].i2c_reg_index =
                                info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
                info->dp0_ext_hdmi_reg_settings[i].i2c_reg_val =
                                info_v11->dp0_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
        }
        info->dp0_ext_hdmi_6g_reg_num = info_v11->dp0_retimer_set.Hdmi6GRegNum;
        for (i = 0; i < info->dp0_ext_hdmi_6g_reg_num; i++) {
                info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
                                info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
                info->dp0_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
                                info_v11->dp0_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
        }

        info->dp1_ext_hdmi_slv_addr = info_v11->dp1_retimer_set.HdmiSlvAddr;
        info->dp1_ext_hdmi_reg_num = info_v11->dp1_retimer_set.HdmiRegNum;
        for (i = 0; i < info->dp1_ext_hdmi_reg_num; i++) {
                info->dp1_ext_hdmi_reg_settings[i].i2c_reg_index =
                                info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
                info->dp1_ext_hdmi_reg_settings[i].i2c_reg_val =
                                info_v11->dp1_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
        }
        info->dp1_ext_hdmi_6g_reg_num = info_v11->dp1_retimer_set.Hdmi6GRegNum;
        for (i = 0; i < info->dp1_ext_hdmi_6g_reg_num; i++) {
                info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
                                info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
                info->dp1_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
                                info_v11->dp1_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
        }

        info->dp2_ext_hdmi_slv_addr = info_v11->dp2_retimer_set.HdmiSlvAddr;
        info->dp2_ext_hdmi_reg_num = info_v11->dp2_retimer_set.HdmiRegNum;
        for (i = 0; i < info->dp2_ext_hdmi_reg_num; i++) {
                info->dp2_ext_hdmi_reg_settings[i].i2c_reg_index =
                                info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
                info->dp2_ext_hdmi_reg_settings[i].i2c_reg_val =
                                info_v11->dp2_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
        }
        info->dp2_ext_hdmi_6g_reg_num = info_v11->dp2_retimer_set.Hdmi6GRegNum;
        for (i = 0; i < info->dp2_ext_hdmi_6g_reg_num; i++) {
                info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
                                info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
                info->dp2_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
                                info_v11->dp2_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
        }

        info->dp3_ext_hdmi_slv_addr = info_v11->dp3_retimer_set.HdmiSlvAddr;
        info->dp3_ext_hdmi_reg_num = info_v11->dp3_retimer_set.HdmiRegNum;
        for (i = 0; i < info->dp3_ext_hdmi_reg_num; i++) {
                info->dp3_ext_hdmi_reg_settings[i].i2c_reg_index =
                                info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegIndex;
                info->dp3_ext_hdmi_reg_settings[i].i2c_reg_val =
                                info_v11->dp3_retimer_set.HdmiRegSetting[i].ucI2cRegVal;
        }
        info->dp3_ext_hdmi_6g_reg_num = info_v11->dp3_retimer_set.Hdmi6GRegNum;
        for (i = 0; i < info->dp3_ext_hdmi_6g_reg_num; i++) {
                info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_index =
                                info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegIndex;
                info->dp3_ext_hdmi_6g_reg_settings[i].i2c_reg_val =
                                info_v11->dp3_retimer_set.Hdmi6GhzRegSetting[i].ucI2cRegVal;
        }


        /** TODO - review **/
        #if 0
        info->boot_up_engine_clock = le32_to_cpu(info_v11->ulBootUpEngineClock)
                                                                        * 10;
        info->dentist_vco_freq = le32_to_cpu(info_v11->ulDentistVCOFreq) * 10;
        info->boot_up_uma_clock = le32_to_cpu(info_v8->ulBootUpUMAClock) * 10;

        for (i = 0; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
                /* Convert [10KHz] into [KHz] */
                info->disp_clk_voltage[i].max_supported_clk =
                le32_to_cpu(info_v11->sDISPCLK_Voltage[i].
                        ulMaximumSupportedCLK) * 10;
                info->disp_clk_voltage[i].voltage_index =
                le32_to_cpu(info_v11->sDISPCLK_Voltage[i].ulVoltageIndex);
        }

        info->boot_up_req_display_vector =
                        le32_to_cpu(info_v11->ulBootUpReqDisplayVector);
        info->boot_up_nb_voltage =
                        le16_to_cpu(info_v11->usBootUpNBVoltage);
        info->ext_disp_conn_info_offset =
                        le16_to_cpu(info_v11->usExtDispConnInfoOffset);
        info->gmc_restore_reset_time =
                        le32_to_cpu(info_v11->ulGMCRestoreResetTime);
        info->minimum_n_clk =
                        le32_to_cpu(info_v11->ulNbpStateNClkFreq[0]);
        for (i = 1; i < 4; ++i)
                info->minimum_n_clk =
                                info->minimum_n_clk <
                                le32_to_cpu(info_v11->ulNbpStateNClkFreq[i]) ?
                                info->minimum_n_clk : le32_to_cpu(
                                        info_v11->ulNbpStateNClkFreq[i]);

        info->idle_n_clk = le32_to_cpu(info_v11->ulIdleNClk);
        info->ddr_dll_power_up_time =
            le32_to_cpu(info_v11->ulDDR_DLL_PowerUpTime);
        info->ddr_pll_power_up_time =
                le32_to_cpu(info_v11->ulDDR_PLL_PowerUpTime);
        info->pcie_clk_ss_type = le16_to_cpu(info_v11->usPCIEClkSSType);
        info->max_lvds_pclk_freq_in_single_link =
                le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
        info->max_lvds_pclk_freq_in_single_link =
                le16_to_cpu(info_v11->usMaxLVDSPclkFreqInSingleLink);
        info->lvds_pwr_on_seq_dig_on_to_de_in_4ms =
                info_v11->ucLVDSPwrOnSeqDIGONtoDE_in4Ms;
        info->lvds_pwr_on_seq_de_to_vary_bl_in_4ms =
                info_v11->ucLVDSPwrOnSeqDEtoVARY_BL_in4Ms;
        info->lvds_pwr_on_seq_vary_bl_to_blon_in_4ms =
                info_v11->ucLVDSPwrOnSeqVARY_BLtoBLON_in4Ms;
        info->lvds_pwr_off_seq_vary_bl_to_de_in4ms =
                info_v11->ucLVDSPwrOffSeqVARY_BLtoDE_in4Ms;
        info->lvds_pwr_off_seq_de_to_dig_on_in4ms =
                info_v11->ucLVDSPwrOffSeqDEtoDIGON_in4Ms;
        info->lvds_pwr_off_seq_blon_to_vary_bl_in_4ms =
                info_v11->ucLVDSPwrOffSeqBLONtoVARY_BL_in4Ms;
        info->lvds_off_to_on_delay_in_4ms =
                info_v11->ucLVDSOffToOnDelay_in4Ms;
        info->lvds_bit_depth_control_val =
                le32_to_cpu(info_v11->ulLCDBitDepthControlVal);

        for (i = 0; i < NUMBER_OF_AVAILABLE_SCLK; ++i) {
                /* Convert [10KHz] into [KHz] */
                info->avail_s_clk[i].supported_s_clk =
                        le32_to_cpu(info_v11->sAvail_SCLK[i].ulSupportedSCLK)
                                                                        * 10;
                info->avail_s_clk[i].voltage_index =
                        le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageIndex);
                info->avail_s_clk[i].voltage_id =
                        le16_to_cpu(info_v11->sAvail_SCLK[i].usVoltageID);
        }
        #endif /* TODO*/

        return BP_RESULT_OK;
}


/*
 * construct_integrated_info
 *
 * @brief
 * Get integrated BIOS information based on table revision
 *
 * @param
 * bios_parser *bp - [in]BIOS parser handler to get master data table
 * integrated_info *info - [out] store and output integrated info
 *
 * @return
 * enum bp_result - BP_RESULT_OK if information is available,
 *                  BP_RESULT_BADBIOSTABLE otherwise.
 */
static enum bp_result construct_integrated_info(
        struct bios_parser *bp,
        struct integrated_info *info)
{
        enum bp_result result = BP_RESULT_BADBIOSTABLE;

        struct atom_common_table_header *header;
        struct atom_data_revision revision;

        struct clock_voltage_caps temp = {0, 0};
        uint32_t i;
        uint32_t j;

        if (info && DATA_TABLES(integratedsysteminfo)) {
                header = GET_IMAGE(struct atom_common_table_header,
                                        DATA_TABLES(integratedsysteminfo));

                get_atom_data_table_revision(header, &revision);

                /* Don't need to check major revision as they are all 1 */
                switch (revision.minor) {
                case 11:
                        result = get_integrated_info_v11(bp, info);
                        break;
                default:
                        return result;
                }
        }

        if (result != BP_RESULT_OK)
                return result;

        /* Sort voltage table from low to high*/
        for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) {
                for (j = i; j > 0; --j) {
                        if (info->disp_clk_voltage[j].max_supported_clk <
                                info->disp_clk_voltage[j-1].max_supported_clk
                                ) {
                                /* swap j and j - 1*/
                                temp = info->disp_clk_voltage[j-1];
                                info->disp_clk_voltage[j-1] =
                                        info->disp_clk_voltage[j];
                                info->disp_clk_voltage[j] = temp;
                        }
                }
        }

        return result;
}

static struct integrated_info *bios_parser_create_integrated_info(
        struct dc_bios *dcb)
{
        struct bios_parser *bp = BP_FROM_DCB(dcb);
        struct integrated_info *info = NULL;

        info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL);

        if (info == NULL) {
                ASSERT_CRITICAL(0);
                return NULL;
        }

        if (construct_integrated_info(bp, info) == BP_RESULT_OK)
                return info;

        kfree(info);

        return NULL;
}

static const struct dc_vbios_funcs vbios_funcs = {
        .get_connectors_number = bios_parser_get_connectors_number,

        .get_encoder_id = bios_parser_get_encoder_id,

        .get_connector_id = bios_parser_get_connector_id,

        .get_dst_number = bios_parser_get_dst_number,

        .get_src_obj = bios_parser_get_src_obj,

        .get_dst_obj = bios_parser_get_dst_obj,

        .get_i2c_info = bios_parser_get_i2c_info,

        .get_voltage_ddc_info = bios_parser_get_voltage_ddc_info,

        .get_thermal_ddc_info = bios_parser_get_thermal_ddc_info,

        .get_hpd_info = bios_parser_get_hpd_info,

        .get_device_tag = bios_parser_get_device_tag,

        .get_firmware_info = bios_parser_get_firmware_info,

        .get_spread_spectrum_info = bios_parser_get_spread_spectrum_info,

        .get_ss_entry_number = bios_parser_get_ss_entry_number,

        .get_embedded_panel_info = bios_parser_get_embedded_panel_info,

        .get_gpio_pin_info = bios_parser_get_gpio_pin_info,

        .get_encoder_cap_info = bios_parser_get_encoder_cap_info,

        .is_device_id_supported = bios_parser_is_device_id_supported,



        .is_accelerated_mode = bios_parser_is_accelerated_mode,
        .get_vga_enabled_displays = bios_parser_get_vga_enabled_displays,

        .set_scratch_critical_state = bios_parser_set_scratch_critical_state,


/*       COMMANDS */
        .encoder_control = bios_parser_encoder_control,

        .transmitter_control = bios_parser_transmitter_control,

        .enable_crtc = bios_parser_enable_crtc,

        .set_pixel_clock = bios_parser_set_pixel_clock,

        .set_dce_clock = bios_parser_set_dce_clock,

        .program_crtc_timing = bios_parser_program_crtc_timing,

        /* .blank_crtc = bios_parser_blank_crtc, */

        .crtc_source_select = bios_parser_crtc_source_select,

        /* .external_encoder_control = bios_parser_external_encoder_control, */

        .enable_disp_power_gating = bios_parser_enable_disp_power_gating,

        .post_init = bios_parser_post_init,

        .bios_parser_destroy = firmware_parser_destroy,

        .get_smu_clock_info = bios_parser_get_smu_clock_info,
};

static bool bios_parser_construct(
        struct bios_parser *bp,
        struct bp_init_data *init,
        enum dce_version dce_version)
{
        uint16_t *rom_header_offset = NULL;
        struct atom_rom_header_v2_2 *rom_header = NULL;
        struct display_object_info_table_v1_4 *object_info_tbl;
        struct atom_data_revision tbl_rev = {0};

        if (!init)
                return false;

        if (!init->bios)
                return false;

        bp->base.funcs = &vbios_funcs;
        bp->base.bios = init->bios;
        bp->base.bios_size = bp->base.bios[OFFSET_TO_ATOM_ROM_IMAGE_SIZE] * BIOS_IMAGE_SIZE_UNIT;

        bp->base.ctx = init->ctx;

        bp->base.bios_local_image = NULL;

        rom_header_offset =
                        GET_IMAGE(uint16_t, OFFSET_TO_ATOM_ROM_HEADER_POINTER);

        if (!rom_header_offset)
                return false;

        rom_header = GET_IMAGE(struct atom_rom_header_v2_2, *rom_header_offset);

        if (!rom_header)
                return false;

        get_atom_data_table_revision(&rom_header->table_header, &tbl_rev);
        if (!(tbl_rev.major >= 2 && tbl_rev.minor >= 2))
                return false;

        bp->master_data_tbl =
                GET_IMAGE(struct atom_master_data_table_v2_1,
                                rom_header->masterdatatable_offset);

        if (!bp->master_data_tbl)
                return false;

        bp->object_info_tbl_offset = DATA_TABLES(displayobjectinfo);

        if (!bp->object_info_tbl_offset)
                return false;

        object_info_tbl =
                        GET_IMAGE(struct display_object_info_table_v1_4,
                                                bp->object_info_tbl_offset);

        if (!object_info_tbl)
                return false;

        get_atom_data_table_revision(&object_info_tbl->table_header,
                &bp->object_info_tbl.revision);

        if (bp->object_info_tbl.revision.major == 1
                && bp->object_info_tbl.revision.minor >= 4) {
                struct display_object_info_table_v1_4 *tbl_v1_4;

                tbl_v1_4 = GET_IMAGE(struct display_object_info_table_v1_4,
                        bp->object_info_tbl_offset);
                if (!tbl_v1_4)
                        return false;

                bp->object_info_tbl.v1_4 = tbl_v1_4;
        } else
                return false;

        dal_firmware_parser_init_cmd_tbl(bp);
        dal_bios_parser_init_cmd_tbl_helper2(&bp->cmd_helper, dce_version);

        bp->base.integrated_info = bios_parser_create_integrated_info(&bp->base);

        return true;
}

struct dc_bios *firmware_parser_create(
        struct bp_init_data *init,
        enum dce_version dce_version)
{
        struct bios_parser *bp = NULL;

        bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL);
        if (!bp)
                return NULL;

        if (bios_parser_construct(bp, init, dce_version))
                return &bp->base;

        kfree(bp);
        return NULL;
}