/*
 * Copyright 2015 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 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.
 * 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.
 *
 *
 */

#include "iceland_smc.h"
#include "smu7_dyn_defaults.h"

#include "smu7_hwmgr.h"
#include "hardwaremanager.h"
#include "ppatomctrl.h"
#include "pp_debug.h"
#include "cgs_common.h"
#include "atombios.h"
#include "pppcielanes.h"
#include "pp_endian.h"
#include "smu7_ppsmc.h"

#include "smu71_discrete.h"

#include "smu/smu_7_1_1_d.h"
#include "smu/smu_7_1_1_sh_mask.h"

#include "gmc/gmc_8_1_d.h"
#include "gmc/gmc_8_1_sh_mask.h"

#include "bif/bif_5_0_d.h"
#include "bif/bif_5_0_sh_mask.h"

#include "dce/dce_10_0_d.h"
#include "dce/dce_10_0_sh_mask.h"
#include "processpptables.h"

#include "iceland_smumgr.h"

#define VOLTAGE_SCALE 4
#define POWERTUNE_DEFAULT_SET_MAX    1
#define VOLTAGE_VID_OFFSET_SCALE1   625
#define VOLTAGE_VID_OFFSET_SCALE2   100
#define MC_CG_ARB_FREQ_F1           0x0b
#define VDDC_VDDCI_DELTA            200

#define DEVICE_ID_VI_ICELAND_M_6900     0x6900
#define DEVICE_ID_VI_ICELAND_M_6901     0x6901
#define DEVICE_ID_VI_ICELAND_M_6902     0x6902
#define DEVICE_ID_VI_ICELAND_M_6903     0x6903

static const struct iceland_pt_defaults defaults_iceland = {
        /*
         * sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc,
         * TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, BAPM_TEMP_GRADIENT
         */
        1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000,
        { 0x79,  0x253, 0x25D, 0xAE,  0x72,  0x80,  0x83,  0x86,  0x6F,  0xC8,  0xC9,  0xC9,  0x2F,  0x4D,  0x61  },
        { 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 }
};

/* 35W - XT, XTL */
static const struct iceland_pt_defaults defaults_icelandxt = {
        /*
         * sviLoadLIneEn, SviLoadLineVddC,
         * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt,
         * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac,
         * BAPM_TEMP_GRADIENT
         */
        1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0,
        { 0xA7,  0x0, 0x0, 0xB5,  0x0, 0x0, 0x9F,  0x0, 0x0, 0xD6,  0x0, 0x0, 0xD7,  0x0, 0x0},
        { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0}
};

/* 25W - PRO, LE */
static const struct iceland_pt_defaults defaults_icelandpro = {
        /*
         * sviLoadLIneEn, SviLoadLineVddC,
         * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt,
         * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac,
         * BAPM_TEMP_GRADIENT
         */
        1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0,
        { 0xB7,  0x0, 0x0, 0xC3,  0x0, 0x0, 0xB5,  0x0, 0x0, 0xEA,  0x0, 0x0, 0xE6,  0x0, 0x0},
        { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0}
};

static void iceland_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
{
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        struct cgs_system_info sys_info = {0};
        uint32_t dev_id;

        sys_info.size = sizeof(struct cgs_system_info);
        sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV;
        cgs_query_system_info(hwmgr->device, &sys_info);
        dev_id = (uint32_t)sys_info.value;

        switch (dev_id) {
        case DEVICE_ID_VI_ICELAND_M_6900:
        case DEVICE_ID_VI_ICELAND_M_6903:
                smu_data->power_tune_defaults = &defaults_icelandxt;
                break;

        case DEVICE_ID_VI_ICELAND_M_6901:
        case DEVICE_ID_VI_ICELAND_M_6902:
                smu_data->power_tune_defaults = &defaults_icelandpro;
                break;
        default:
                smu_data->power_tune_defaults = &defaults_iceland;
                pr_warning("Unknown V.I. Device ID.\n");
                break;
        }
        return;
}

static int iceland_populate_svi_load_line(struct pp_hwmgr *hwmgr)
{
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;

        smu_data->power_tune_table.SviLoadLineEn = defaults->svi_load_line_en;
        smu_data->power_tune_table.SviLoadLineVddC = defaults->svi_load_line_vddc;
        smu_data->power_tune_table.SviLoadLineTrimVddC = 3;
        smu_data->power_tune_table.SviLoadLineOffsetVddC = 0;

        return 0;
}

static int iceland_populate_tdc_limit(struct pp_hwmgr *hwmgr)
{
        uint16_t tdc_limit;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;

        tdc_limit = (uint16_t)(hwmgr->dyn_state.cac_dtp_table->usTDC * 256);
        smu_data->power_tune_table.TDC_VDDC_PkgLimit =
                        CONVERT_FROM_HOST_TO_SMC_US(tdc_limit);
        smu_data->power_tune_table.TDC_VDDC_ThrottleReleaseLimitPerc =
                        defaults->tdc_vddc_throttle_release_limit_perc;
        smu_data->power_tune_table.TDC_MAWt = defaults->tdc_mawt;

        return 0;
}

static int iceland_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset)
{
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;
        uint32_t temp;

        if (smu7_read_smc_sram_dword(hwmgr->smumgr,
                        fuse_table_offset +
                        offsetof(SMU71_Discrete_PmFuses, TdcWaterfallCtl),
                        (uint32_t *)&temp, SMC_RAM_END))
                PP_ASSERT_WITH_CODE(false,
                                "Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!",
                                return -EINVAL);
        else
                smu_data->power_tune_table.TdcWaterfallCtl = defaults->tdc_waterfall_ctl;

        return 0;
}

static int iceland_populate_temperature_scaler(struct pp_hwmgr *hwmgr)
{
        return 0;
}

static int iceland_populate_gnb_lpml(struct pp_hwmgr *hwmgr)
{
        int i;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);

        /* Currently not used. Set all to zero. */
        for (i = 0; i < 8; i++)
                smu_data->power_tune_table.GnbLPML[i] = 0;

        return 0;
}

static int iceland_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr)
{
        return 0;
}

static int iceland_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr)
{
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        uint16_t HiSidd = smu_data->power_tune_table.BapmVddCBaseLeakageHiSidd;
        uint16_t LoSidd = smu_data->power_tune_table.BapmVddCBaseLeakageLoSidd;
        struct phm_cac_tdp_table *cac_table = hwmgr->dyn_state.cac_dtp_table;

        HiSidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256);
        LoSidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256);

        smu_data->power_tune_table.BapmVddCBaseLeakageHiSidd =
                        CONVERT_FROM_HOST_TO_SMC_US(HiSidd);
        smu_data->power_tune_table.BapmVddCBaseLeakageLoSidd =
                        CONVERT_FROM_HOST_TO_SMC_US(LoSidd);

        return 0;
}

static int iceland_populate_bapm_vddc_vid_sidd(struct pp_hwmgr *hwmgr)
{
        int i;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        uint8_t *hi_vid = smu_data->power_tune_table.BapmVddCVidHiSidd;
        uint8_t *lo_vid = smu_data->power_tune_table.BapmVddCVidLoSidd;

        PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.cac_leakage_table,
                            "The CAC Leakage table does not exist!", return -EINVAL);
        PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count <= 8,
                            "There should never be more than 8 entries for BapmVddcVid!!!", return -EINVAL);
        PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count == hwmgr->dyn_state.vddc_dependency_on_sclk->count,
                            "CACLeakageTable->count and VddcDependencyOnSCLk->count not equal", return -EINVAL);

        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_EVV)) {
                for (i = 0; (uint32_t) i < hwmgr->dyn_state.cac_leakage_table->count; i++) {
                        lo_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc1);
                        hi_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc2);
                }
        } else {
                PP_ASSERT_WITH_CODE(false, "Iceland should always support EVV", return -EINVAL);
        }

        return 0;
}

static int iceland_populate_vddc_vid(struct pp_hwmgr *hwmgr)
{
        int i;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        uint8_t *vid = smu_data->power_tune_table.VddCVid;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        PP_ASSERT_WITH_CODE(data->vddc_voltage_table.count <= 8,
                "There should never be more than 8 entries for VddcVid!!!",
                return -EINVAL);

        for (i = 0; i < (int)data->vddc_voltage_table.count; i++) {
                vid[i] = convert_to_vid(data->vddc_voltage_table.entries[i].value);
        }

        return 0;
}



static int iceland_populate_pm_fuses(struct pp_hwmgr *hwmgr)
{
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        uint32_t pm_fuse_table_offset;

        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
                        PHM_PlatformCaps_PowerContainment)) {
                if (smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, PmFuseTable),
                                &pm_fuse_table_offset, SMC_RAM_END))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to get pm_fuse_table_offset Failed!",
                                        return -EINVAL);

                /* DW0 - DW3 */
                if (iceland_populate_bapm_vddc_vid_sidd(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate bapm vddc vid Failed!",
                                        return -EINVAL);

                /* DW4 - DW5 */
                if (iceland_populate_vddc_vid(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate vddc vid Failed!",
                                        return -EINVAL);

                /* DW6 */
                if (iceland_populate_svi_load_line(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate SviLoadLine Failed!",
                                        return -EINVAL);
                /* DW7 */
                if (iceland_populate_tdc_limit(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate TDCLimit Failed!", return -EINVAL);
                /* DW8 */
                if (iceland_populate_dw8(hwmgr, pm_fuse_table_offset))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate TdcWaterfallCtl, "
                                        "LPMLTemperature Min and Max Failed!",
                                        return -EINVAL);

                /* DW9-DW12 */
                if (0 != iceland_populate_temperature_scaler(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate LPMLTemperatureScaler Failed!",
                                        return -EINVAL);

                /* DW13-DW16 */
                if (iceland_populate_gnb_lpml(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate GnbLPML Failed!",
                                        return -EINVAL);

                /* DW17 */
                if (iceland_min_max_vgnb_lpml_id_from_bapm_vddc(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate GnbLPML Min and Max Vid Failed!",
                                        return -EINVAL);

                /* DW18 */
                if (iceland_populate_bapm_vddc_base_leakage_sidd(hwmgr))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to populate BapmVddCBaseLeakage Hi and Lo Sidd Failed!",
                                        return -EINVAL);

                if (smu7_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset,
                                (uint8_t *)&smu_data->power_tune_table,
                                sizeof(struct SMU71_Discrete_PmFuses), SMC_RAM_END))
                        PP_ASSERT_WITH_CODE(false,
                                        "Attempt to download PmFuseTable Failed!",
                                        return -EINVAL);
        }
        return 0;
}

static int iceland_get_dependecy_volt_by_clk(struct pp_hwmgr *hwmgr,
        struct phm_clock_voltage_dependency_table *allowed_clock_voltage_table,
        uint32_t clock, uint32_t *vol)
{
        uint32_t i = 0;

        /* clock - voltage dependency table is empty table */
        if (allowed_clock_voltage_table->count == 0)
                return -EINVAL;

        for (i = 0; i < allowed_clock_voltage_table->count; i++) {
                /* find first sclk bigger than request */
                if (allowed_clock_voltage_table->entries[i].clk >= clock) {
                        *vol = allowed_clock_voltage_table->entries[i].v;
                        return 0;
                }
        }

        /* sclk is bigger than max sclk in the dependence table */
        *vol = allowed_clock_voltage_table->entries[i - 1].v;

        return 0;
}

static int iceland_get_std_voltage_value_sidd(struct pp_hwmgr *hwmgr,
                pp_atomctrl_voltage_table_entry *tab, uint16_t *hi,
                uint16_t *lo)
{
        uint16_t v_index;
        bool vol_found = false;
        *hi = tab->value * VOLTAGE_SCALE;
        *lo = tab->value * VOLTAGE_SCALE;

        /* SCLK/VDDC Dependency Table has to exist. */
        PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.vddc_dependency_on_sclk,
                        "The SCLK/VDDC Dependency Table does not exist.\n",
                        return -EINVAL);

        if (NULL == hwmgr->dyn_state.cac_leakage_table) {
                pr_warning("CAC Leakage Table does not exist, using vddc.\n");
                return 0;
        }

        /*
         * Since voltage in the sclk/vddc dependency table is not
         * necessarily in ascending order because of ELB voltage
         * patching, loop through entire list to find exact voltage.
         */
        for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) {
                if (tab->value == hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) {
                        vol_found = true;
                        if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) {
                                *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE;
                                *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage * VOLTAGE_SCALE);
                        } else {
                                pr_warning("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index, using maximum index from CAC table.\n");
                                *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE;
                                *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE);
                        }
                        break;
                }
        }

        /*
         * If voltage is not found in the first pass, loop again to
         * find the best match, equal or higher value.
         */
        if (!vol_found) {
                for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) {
                        if (tab->value <= hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) {
                                vol_found = true;
                                if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) {
                                        *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE;
                                        *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage) * VOLTAGE_SCALE;
                                } else {
                                        pr_warning("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index in second look up, using maximum index from CAC table.");
                                        *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE;
                                        *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE);
                                }
                                break;
                        }
                }

                if (!vol_found)
                        pr_warning("Unable to get std_vddc from SCLK/VDDC Dependency Table, using vddc.\n");
        }

        return 0;
}

static int iceland_populate_smc_voltage_table(struct pp_hwmgr *hwmgr,
                pp_atomctrl_voltage_table_entry *tab,
                SMU71_Discrete_VoltageLevel *smc_voltage_tab)
{
        int result;

        result = iceland_get_std_voltage_value_sidd(hwmgr, tab,
                        &smc_voltage_tab->StdVoltageHiSidd,
                        &smc_voltage_tab->StdVoltageLoSidd);
        if (0 != result) {
                smc_voltage_tab->StdVoltageHiSidd = tab->value * VOLTAGE_SCALE;
                smc_voltage_tab->StdVoltageLoSidd = tab->value * VOLTAGE_SCALE;
        }

        smc_voltage_tab->Voltage = PP_HOST_TO_SMC_US(tab->value * VOLTAGE_SCALE);
        CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd);
        CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd);

        return 0;
}

static int iceland_populate_smc_vddc_table(struct pp_hwmgr *hwmgr,
                        SMU71_Discrete_DpmTable *table)
{
        unsigned int count;
        int result;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        table->VddcLevelCount = data->vddc_voltage_table.count;
        for (count = 0; count < table->VddcLevelCount; count++) {
                result = iceland_populate_smc_voltage_table(hwmgr,
                                &(data->vddc_voltage_table.entries[count]),
                                &(table->VddcLevel[count]));
                PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDC voltage table", return -EINVAL);

                /* GPIO voltage control */
                if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->voltage_control)
                        table->VddcLevel[count].Smio |= data->vddc_voltage_table.entries[count].smio_low;
                else if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control)
                        table->VddcLevel[count].Smio = 0;
        }

        CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount);

        return 0;
}

static int iceland_populate_smc_vdd_ci_table(struct pp_hwmgr *hwmgr,
                        SMU71_Discrete_DpmTable *table)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        uint32_t count;
        int result;

        table->VddciLevelCount = data->vddci_voltage_table.count;

        for (count = 0; count < table->VddciLevelCount; count++) {
                result = iceland_populate_smc_voltage_table(hwmgr,
                                &(data->vddci_voltage_table.entries[count]),
                                &(table->VddciLevel[count]));
                PP_ASSERT_WITH_CODE(result == 0, "do not populate SMC VDDCI voltage table", return -EINVAL);
                if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
                        table->VddciLevel[count].Smio |= data->vddci_voltage_table.entries[count].smio_low;
                else
                        table->VddciLevel[count].Smio |= 0;
        }

        CONVERT_FROM_HOST_TO_SMC_UL(table->VddciLevelCount);

        return 0;
}

static int iceland_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr,
                        SMU71_Discrete_DpmTable *table)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        uint32_t count;
        int result;

        table->MvddLevelCount = data->mvdd_voltage_table.count;

        for (count = 0; count < table->VddciLevelCount; count++) {
                result = iceland_populate_smc_voltage_table(hwmgr,
                                &(data->mvdd_voltage_table.entries[count]),
                                &table->MvddLevel[count]);
                PP_ASSERT_WITH_CODE(result == 0, "do not populate SMC mvdd voltage table", return -EINVAL);
                if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control)
                        table->MvddLevel[count].Smio |= data->mvdd_voltage_table.entries[count].smio_low;
                else
                        table->MvddLevel[count].Smio |= 0;
        }

        CONVERT_FROM_HOST_TO_SMC_UL(table->MvddLevelCount);

        return 0;
}


static int iceland_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr,
        SMU71_Discrete_DpmTable *table)
{
        int result;

        result = iceland_populate_smc_vddc_table(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                        "can not populate VDDC voltage table to SMC", return -EINVAL);

        result = iceland_populate_smc_vdd_ci_table(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                        "can not populate VDDCI voltage table to SMC", return -EINVAL);

        result = iceland_populate_smc_mvdd_table(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                        "can not populate MVDD voltage table to SMC", return -EINVAL);

        return 0;
}

static int iceland_populate_ulv_level(struct pp_hwmgr *hwmgr,
                struct SMU71_Discrete_Ulv *state)
{
        uint32_t voltage_response_time, ulv_voltage;
        int result;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        state->CcPwrDynRm = 0;
        state->CcPwrDynRm1 = 0;

        result = pp_tables_get_response_times(hwmgr, &voltage_response_time, &ulv_voltage);
        PP_ASSERT_WITH_CODE((0 == result), "can not get ULV voltage value", return result;);

        if (ulv_voltage == 0) {
                data->ulv_supported = false;
                return 0;
        }

        if (data->voltage_control != SMU7_VOLTAGE_CONTROL_BY_SVID2) {
                /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */
                if (ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v)
                        state->VddcOffset = 0;
                else
                        /* used in SMIO Mode. not implemented for now. this is backup only for CI. */
                        state->VddcOffset = (uint16_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage);
        } else {
                /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */
                if (ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v)
                        state->VddcOffsetVid = 0;
                else  /* used in SVI2 Mode */
                        state->VddcOffsetVid = (uint8_t)(
                                        (hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage)
                                                * VOLTAGE_VID_OFFSET_SCALE2
                                                / VOLTAGE_VID_OFFSET_SCALE1);
        }
        state->VddcPhase = 1;

        CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm);
        CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm1);
        CONVERT_FROM_HOST_TO_SMC_US(state->VddcOffset);

        return 0;
}

static int iceland_populate_ulv_state(struct pp_hwmgr *hwmgr,
                 SMU71_Discrete_Ulv *ulv_level)
{
        return iceland_populate_ulv_level(hwmgr, ulv_level);
}

static int iceland_populate_smc_link_level(struct pp_hwmgr *hwmgr, SMU71_Discrete_DpmTable *table)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct smu7_dpm_table *dpm_table = &data->dpm_table;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        uint32_t i;

        /* Index (dpm_table->pcie_speed_table.count) is reserved for PCIE boot level. */
        for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) {
                table->LinkLevel[i].PcieGenSpeed  =
                        (uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value;
                table->LinkLevel[i].PcieLaneCount =
                        (uint8_t)encode_pcie_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1);
                table->LinkLevel[i].EnabledForActivity =
                        1;
                table->LinkLevel[i].SPC =
                        (uint8_t)(data->pcie_spc_cap & 0xff);
                table->LinkLevel[i].DownThreshold =
                        PP_HOST_TO_SMC_UL(5);
                table->LinkLevel[i].UpThreshold =
                        PP_HOST_TO_SMC_UL(30);
        }

        smu_data->smc_state_table.LinkLevelCount =
                (uint8_t)dpm_table->pcie_speed_table.count;
        data->dpm_level_enable_mask.pcie_dpm_enable_mask =
                phm_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table);

        return 0;
}

/**
 * Calculates the SCLK dividers using the provided engine clock
 *
 * @param    hwmgr      the address of the hardware manager
 * @param    engine_clock the engine clock to use to populate the structure
 * @param    sclk        the SMC SCLK structure to be populated
 */
static int iceland_calculate_sclk_params(struct pp_hwmgr *hwmgr,
                uint32_t engine_clock, SMU71_Discrete_GraphicsLevel *sclk)
{
        const struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        pp_atomctrl_clock_dividers_vi dividers;
        uint32_t spll_func_cntl            = data->clock_registers.vCG_SPLL_FUNC_CNTL;
        uint32_t spll_func_cntl_3          = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
        uint32_t spll_func_cntl_4          = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
        uint32_t cg_spll_spread_spectrum   = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
        uint32_t cg_spll_spread_spectrum_2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
        uint32_t    reference_clock;
        uint32_t reference_divider;
        uint32_t fbdiv;
        int result;

        /* get the engine clock dividers for this clock value*/
        result = atomctrl_get_engine_pll_dividers_vi(hwmgr, engine_clock,  &dividers);

        PP_ASSERT_WITH_CODE(result == 0,
                "Error retrieving Engine Clock dividers from VBIOS.", return result);

        /* To get FBDIV we need to multiply this by 16384 and divide it by Fref.*/
        reference_clock = atomctrl_get_reference_clock(hwmgr);

        reference_divider = 1 + dividers.uc_pll_ref_div;

        /* low 14 bits is fraction and high 12 bits is divider*/
        fbdiv = dividers.ul_fb_div.ul_fb_divider & 0x3FFFFFF;

        /* SPLL_FUNC_CNTL setup*/
        spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
                CG_SPLL_FUNC_CNTL, SPLL_REF_DIV, dividers.uc_pll_ref_div);
        spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
                CG_SPLL_FUNC_CNTL, SPLL_PDIV_A,  dividers.uc_pll_post_div);

        /* SPLL_FUNC_CNTL_3 setup*/
        spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
                CG_SPLL_FUNC_CNTL_3, SPLL_FB_DIV, fbdiv);

        /* set to use fractional accumulation*/
        spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
                CG_SPLL_FUNC_CNTL_3, SPLL_DITHEN, 1);

        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
                        PHM_PlatformCaps_EngineSpreadSpectrumSupport)) {
                pp_atomctrl_internal_ss_info ss_info;

                uint32_t vcoFreq = engine_clock * dividers.uc_pll_post_div;
                if (0 == atomctrl_get_engine_clock_spread_spectrum(hwmgr, vcoFreq, &ss_info)) {
                        /*
                        * ss_info.speed_spectrum_percentage -- in unit of 0.01%
                        * ss_info.speed_spectrum_rate -- in unit of khz
                        */
                        /* clks = reference_clock * 10 / (REFDIV + 1) / speed_spectrum_rate / 2 */
                        uint32_t clkS = reference_clock * 5 / (reference_divider * ss_info.speed_spectrum_rate);

                        /* clkv = 2 * D * fbdiv / NS */
                        uint32_t clkV = 4 * ss_info.speed_spectrum_percentage * fbdiv / (clkS * 10000);

                        cg_spll_spread_spectrum =
                                PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, CLKS, clkS);
                        cg_spll_spread_spectrum =
                                PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, SSEN, 1);
                        cg_spll_spread_spectrum_2 =
                                PHM_SET_FIELD(cg_spll_spread_spectrum_2, CG_SPLL_SPREAD_SPECTRUM_2, CLKV, clkV);
                }
        }

        sclk->SclkFrequency        = engine_clock;
        sclk->CgSpllFuncCntl3      = spll_func_cntl_3;
        sclk->CgSpllFuncCntl4      = spll_func_cntl_4;
        sclk->SpllSpreadSpectrum   = cg_spll_spread_spectrum;
        sclk->SpllSpreadSpectrum2  = cg_spll_spread_spectrum_2;
        sclk->SclkDid              = (uint8_t)dividers.pll_post_divider;

        return 0;
}

static int iceland_populate_phase_value_based_on_sclk(struct pp_hwmgr *hwmgr,
                                const struct phm_phase_shedding_limits_table *pl,
                                        uint32_t sclk, uint32_t *p_shed)
{
        unsigned int i;

        /* use the minimum phase shedding */
        *p_shed = 1;

        for (i = 0; i < pl->count; i++) {
                if (sclk < pl->entries[i].Sclk) {
                        *p_shed = i;
                        break;
                }
        }
        return 0;
}

/**
 * Populates single SMC SCLK structure using the provided engine clock
 *
 * @param    hwmgr      the address of the hardware manager
 * @param    engine_clock the engine clock to use to populate the structure
 * @param    sclk        the SMC SCLK structure to be populated
 */
static int iceland_populate_single_graphic_level(struct pp_hwmgr *hwmgr,
                                                uint32_t engine_clock,
                                uint16_t sclk_activity_level_threshold,
                                SMU71_Discrete_GraphicsLevel *graphic_level)
{
        int result;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        result = iceland_calculate_sclk_params(hwmgr, engine_clock, graphic_level);

        /* populate graphics levels*/
        result = iceland_get_dependecy_volt_by_clk(hwmgr,
                hwmgr->dyn_state.vddc_dependency_on_sclk, engine_clock,
                &graphic_level->MinVddc);
        PP_ASSERT_WITH_CODE((0 == result),
                "can not find VDDC voltage value for VDDC       \
                engine clock dependency table", return result);

        /* SCLK frequency in units of 10KHz*/
        graphic_level->SclkFrequency = engine_clock;
        graphic_level->MinVddcPhases = 1;

        if (data->vddc_phase_shed_control)
                iceland_populate_phase_value_based_on_sclk(hwmgr,
                                hwmgr->dyn_state.vddc_phase_shed_limits_table,
                                engine_clock,
                                &graphic_level->MinVddcPhases);

        /* Indicates maximum activity level for this performance level. 50% for now*/
        graphic_level->ActivityLevel = sclk_activity_level_threshold;

        graphic_level->CcPwrDynRm = 0;
        graphic_level->CcPwrDynRm1 = 0;
        /* this level can be used if activity is high enough.*/
        graphic_level->EnabledForActivity = 0;
        /* this level can be used for throttling.*/
        graphic_level->EnabledForThrottle = 1;
        graphic_level->UpHyst = 0;
        graphic_level->DownHyst = 100;
        graphic_level->VoltageDownHyst = 0;
        graphic_level->PowerThrottle = 0;

        data->display_timing.min_clock_in_sr =
                        hwmgr->display_config.min_core_set_clock_in_sr;

        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
                        PHM_PlatformCaps_SclkDeepSleep))
                graphic_level->DeepSleepDivId =
                                smu7_get_sleep_divider_id_from_clock(engine_clock,
                                                data->display_timing.min_clock_in_sr);

        /* Default to slow, highest DPM level will be set to PPSMC_DISPLAY_WATERMARK_LOW later.*/
        graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;

        if (0 == result) {
                graphic_level->MinVddc = PP_HOST_TO_SMC_UL(graphic_level->MinVddc * VOLTAGE_SCALE);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVddcPhases);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SclkFrequency);
                CONVERT_FROM_HOST_TO_SMC_US(graphic_level->ActivityLevel);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl3);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl4);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum2);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm);
                CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm1);
        }

        return result;
}

/**
 * Populates all SMC SCLK levels' structure based on the trimmed allowed dpm engine clock states
 *
 * @param    hwmgr      the address of the hardware manager
 */
int iceland_populate_all_graphic_levels(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        struct smu7_dpm_table *dpm_table = &data->dpm_table;
        uint32_t level_array_adress = smu_data->smu7_data.dpm_table_start +
                                offsetof(SMU71_Discrete_DpmTable, GraphicsLevel);

        uint32_t level_array_size = sizeof(SMU71_Discrete_GraphicsLevel) *
                                                SMU71_MAX_LEVELS_GRAPHICS;

        SMU71_Discrete_GraphicsLevel *levels = smu_data->smc_state_table.GraphicsLevel;

        uint32_t i;
        uint8_t highest_pcie_level_enabled = 0;
        uint8_t lowest_pcie_level_enabled = 0, mid_pcie_level_enabled = 0;
        uint8_t count = 0;
        int result = 0;

        memset(levels, 0x00, level_array_size);

        for (i = 0; i < dpm_table->sclk_table.count; i++) {
                result = iceland_populate_single_graphic_level(hwmgr,
                                        dpm_table->sclk_table.dpm_levels[i].value,
                                        (uint16_t)smu_data->activity_target[i],
                                        &(smu_data->smc_state_table.GraphicsLevel[i]));
                if (result != 0)
                        return result;

                /* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */
                if (i > 1)
                        smu_data->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0;
        }

        /* Only enable level 0 for now. */
        smu_data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;

        /* set highest level watermark to high */
        if (dpm_table->sclk_table.count > 1)
                smu_data->smc_state_table.GraphicsLevel[dpm_table->sclk_table.count-1].DisplayWatermark =
                        PPSMC_DISPLAY_WATERMARK_HIGH;

        smu_data->smc_state_table.GraphicsDpmLevelCount =
                (uint8_t)dpm_table->sclk_table.count;
        data->dpm_level_enable_mask.sclk_dpm_enable_mask =
                phm_get_dpm_level_enable_mask_value(&dpm_table->sclk_table);

        while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
                                (1 << (highest_pcie_level_enabled + 1))) != 0) {
                highest_pcie_level_enabled++;
        }

        while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
                (1 << lowest_pcie_level_enabled)) == 0) {
                lowest_pcie_level_enabled++;
        }

        while ((count < highest_pcie_level_enabled) &&
                        ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
                                (1 << (lowest_pcie_level_enabled + 1 + count))) == 0)) {
                count++;
        }

        mid_pcie_level_enabled = (lowest_pcie_level_enabled+1+count) < highest_pcie_level_enabled ?
                (lowest_pcie_level_enabled+1+count) : highest_pcie_level_enabled;


        /* set pcieDpmLevel to highest_pcie_level_enabled*/
        for (i = 2; i < dpm_table->sclk_table.count; i++) {
                smu_data->smc_state_table.GraphicsLevel[i].pcieDpmLevel = highest_pcie_level_enabled;
        }

        /* set pcieDpmLevel to lowest_pcie_level_enabled*/
        smu_data->smc_state_table.GraphicsLevel[0].pcieDpmLevel = lowest_pcie_level_enabled;

        /* set pcieDpmLevel to mid_pcie_level_enabled*/
        smu_data->smc_state_table.GraphicsLevel[1].pcieDpmLevel = mid_pcie_level_enabled;

        /* level count will send to smc once at init smc table and never change*/
        result = smu7_copy_bytes_to_smc(hwmgr->smumgr, level_array_adress,
                                (uint8_t *)levels, (uint32_t)level_array_size,
                                                                SMC_RAM_END);

        return result;
}

/**
 * Populates the SMC MCLK structure using the provided memory clock
 *
 * @param    hwmgr      the address of the hardware manager
 * @param    memory_clock the memory clock to use to populate the structure
 * @param    sclk        the SMC SCLK structure to be populated
 */
static int iceland_calculate_mclk_params(
                struct pp_hwmgr *hwmgr,
                uint32_t memory_clock,
                SMU71_Discrete_MemoryLevel *mclk,
                bool strobe_mode,
                bool dllStateOn
                )
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        uint32_t  dll_cntl = data->clock_registers.vDLL_CNTL;
        uint32_t  mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL;
        uint32_t  mpll_ad_func_cntl = data->clock_registers.vMPLL_AD_FUNC_CNTL;
        uint32_t  mpll_dq_func_cntl = data->clock_registers.vMPLL_DQ_FUNC_CNTL;
        uint32_t  mpll_func_cntl = data->clock_registers.vMPLL_FUNC_CNTL;
        uint32_t  mpll_func_cntl_1 = data->clock_registers.vMPLL_FUNC_CNTL_1;
        uint32_t  mpll_func_cntl_2 = data->clock_registers.vMPLL_FUNC_CNTL_2;
        uint32_t  mpll_ss1 = data->clock_registers.vMPLL_SS1;
        uint32_t  mpll_ss2 = data->clock_registers.vMPLL_SS2;

        pp_atomctrl_memory_clock_param mpll_param;
        int result;

        result = atomctrl_get_memory_pll_dividers_si(hwmgr,
                                memory_clock, &mpll_param, strobe_mode);
        PP_ASSERT_WITH_CODE(0 == result,
                "Error retrieving Memory Clock Parameters from VBIOS.", return result);

        /* MPLL_FUNC_CNTL setup*/
        mpll_func_cntl = PHM_SET_FIELD(mpll_func_cntl, MPLL_FUNC_CNTL, BWCTRL, mpll_param.bw_ctrl);

        /* MPLL_FUNC_CNTL_1 setup*/
        mpll_func_cntl_1  = PHM_SET_FIELD(mpll_func_cntl_1,
                                                        MPLL_FUNC_CNTL_1, CLKF, mpll_param.mpll_fb_divider.cl_kf);
        mpll_func_cntl_1  = PHM_SET_FIELD(mpll_func_cntl_1,
                                                        MPLL_FUNC_CNTL_1, CLKFRAC, mpll_param.mpll_fb_divider.clk_frac);
        mpll_func_cntl_1  = PHM_SET_FIELD(mpll_func_cntl_1,
                                                        MPLL_FUNC_CNTL_1, VCO_MODE, mpll_param.vco_mode);

        /* MPLL_AD_FUNC_CNTL setup*/
        mpll_ad_func_cntl = PHM_SET_FIELD(mpll_ad_func_cntl,
                                                        MPLL_AD_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);

        if (data->is_memory_gddr5) {
                /* MPLL_DQ_FUNC_CNTL setup*/
                mpll_dq_func_cntl  = PHM_SET_FIELD(mpll_dq_func_cntl,
                                                                MPLL_DQ_FUNC_CNTL, YCLK_SEL, mpll_param.yclk_sel);
                mpll_dq_func_cntl  = PHM_SET_FIELD(mpll_dq_func_cntl,
                                                                MPLL_DQ_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);
        }

        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
                        PHM_PlatformCaps_MemorySpreadSpectrumSupport)) {
                /*
                 ************************************
                 Fref = Reference Frequency
                 NF = Feedback divider ratio
                 NR = Reference divider ratio
                 Fnom = Nominal VCO output frequency = Fref * NF / NR
                 Fs = Spreading Rate
                 D = Percentage down-spread / 2
                 Fint = Reference input frequency to PFD = Fref / NR
                 NS = Spreading rate divider ratio = int(Fint / (2 * Fs))
                 CLKS = NS - 1 = ISS_STEP_NUM[11:0]
                 NV = D * Fs / Fnom * 4 * ((Fnom/Fref * NR) ^ 2)
                 CLKV = 65536 * NV = ISS_STEP_SIZE[25:0]
                 *************************************
                 */
                pp_atomctrl_internal_ss_info ss_info;
                uint32_t freq_nom;
                uint32_t tmp;
                uint32_t reference_clock = atomctrl_get_mpll_reference_clock(hwmgr);

                /* for GDDR5 for all modes and DDR3 */
                if (1 == mpll_param.qdr)
                        freq_nom = memory_clock * 4 * (1 << mpll_param.mpll_post_divider);
                else
                        freq_nom = memory_clock * 2 * (1 << mpll_param.mpll_post_divider);

                /* tmp = (freq_nom / reference_clock * reference_divider) ^ 2  Note: S.I. reference_divider = 1*/
                tmp = (freq_nom / reference_clock);
                tmp = tmp * tmp;

                if (0 == atomctrl_get_memory_clock_spread_spectrum(hwmgr, freq_nom, &ss_info)) {
                        /* ss_info.speed_spectrum_percentage -- in unit of 0.01% */
                        /* ss.Info.speed_spectrum_rate -- in unit of khz */
                        /* CLKS = reference_clock / (2 * speed_spectrum_rate * reference_divider) * 10 */
                        /*     = reference_clock * 5 / speed_spectrum_rate */
                        uint32_t clks = reference_clock * 5 / ss_info.speed_spectrum_rate;

                        /* CLKV = 65536 * speed_spectrum_percentage / 2 * spreadSpecrumRate / freq_nom * 4 / 100000 * ((freq_nom / reference_clock) ^ 2) */
                        /*     = 131 * speed_spectrum_percentage * speed_spectrum_rate / 100 * ((freq_nom / reference_clock) ^ 2) / freq_nom */

                        uint32_t clkv =
                                (uint32_t)((((131 * ss_info.speed_spectrum_percentage *
                                                        ss_info.speed_spectrum_rate) / 100) * tmp) / freq_nom);

                        mpll_ss1 = PHM_SET_FIELD(mpll_ss1, MPLL_SS1, CLKV, clkv);
                        mpll_ss2 = PHM_SET_FIELD(mpll_ss2, MPLL_SS2, CLKS, clks);
                }
        }

        /* MCLK_PWRMGT_CNTL setup */
        mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
                MCLK_PWRMGT_CNTL, DLL_SPEED, mpll_param.dll_speed);
        mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
                MCLK_PWRMGT_CNTL, MRDCK0_PDNB, dllStateOn);
        mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
                MCLK_PWRMGT_CNTL, MRDCK1_PDNB, dllStateOn);


        /* Save the result data to outpupt memory level structure */
        mclk->MclkFrequency   = memory_clock;
        mclk->MpllFuncCntl    = mpll_func_cntl;
        mclk->MpllFuncCntl_1  = mpll_func_cntl_1;
        mclk->MpllFuncCntl_2  = mpll_func_cntl_2;
        mclk->MpllAdFuncCntl  = mpll_ad_func_cntl;
        mclk->MpllDqFuncCntl  = mpll_dq_func_cntl;
        mclk->MclkPwrmgtCntl  = mclk_pwrmgt_cntl;
        mclk->DllCntl         = dll_cntl;
        mclk->MpllSs1         = mpll_ss1;
        mclk->MpllSs2         = mpll_ss2;

        return 0;
}

static uint8_t iceland_get_mclk_frequency_ratio(uint32_t memory_clock,
                bool strobe_mode)
{
        uint8_t mc_para_index;

        if (strobe_mode) {
                if (memory_clock < 12500) {
                        mc_para_index = 0x00;
                } else if (memory_clock > 47500) {
                        mc_para_index = 0x0f;
                } else {
                        mc_para_index = (uint8_t)((memory_clock - 10000) / 2500);
                }
        } else {
                if (memory_clock < 65000) {
                        mc_para_index = 0x00;
                } else if (memory_clock > 135000) {
                        mc_para_index = 0x0f;
                } else {
                        mc_para_index = (uint8_t)((memory_clock - 60000) / 5000);
                }
        }

        return mc_para_index;
}

static uint8_t iceland_get_ddr3_mclk_frequency_ratio(uint32_t memory_clock)
{
        uint8_t mc_para_index;

        if (memory_clock < 10000) {
                mc_para_index = 0;
        } else if (memory_clock >= 80000) {
                mc_para_index = 0x0f;
        } else {
                mc_para_index = (uint8_t)((memory_clock - 10000) / 5000 + 1);
        }

        return mc_para_index;
}

static int iceland_populate_phase_value_based_on_mclk(struct pp_hwmgr *hwmgr, const struct phm_phase_shedding_limits_table *pl,
                                        uint32_t memory_clock, uint32_t *p_shed)
{
        unsigned int i;

        *p_shed = 1;

        for (i = 0; i < pl->count; i++) {
                if (memory_clock < pl->entries[i].Mclk) {
                        *p_shed = i;
                        break;
                }
        }

        return 0;
}

static int iceland_populate_single_memory_level(
                struct pp_hwmgr *hwmgr,
                uint32_t memory_clock,
                SMU71_Discrete_MemoryLevel *memory_level
                )
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        int result = 0;
        bool dll_state_on;
        struct cgs_display_info info = {0};
        uint32_t mclk_edc_wr_enable_threshold = 40000;
        uint32_t mclk_edc_enable_threshold = 40000;
        uint32_t mclk_strobe_mode_threshold = 40000;

        if (hwmgr->dyn_state.vddc_dependency_on_mclk != NULL) {
                result = iceland_get_dependecy_volt_by_clk(hwmgr,
                        hwmgr->dyn_state.vddc_dependency_on_mclk, memory_clock, &memory_level->MinVddc);
                PP_ASSERT_WITH_CODE((0 == result),
                        "can not find MinVddc voltage value from memory VDDC voltage dependency table", return result);
        }

        if (data->vddci_control == SMU7_VOLTAGE_CONTROL_NONE) {
                memory_level->MinVddci = memory_level->MinVddc;
        } else if (NULL != hwmgr->dyn_state.vddci_dependency_on_mclk) {
                result = iceland_get_dependecy_volt_by_clk(hwmgr,
                                hwmgr->dyn_state.vddci_dependency_on_mclk,
                                memory_clock,
                                &memory_level->MinVddci);
                PP_ASSERT_WITH_CODE((0 == result),
                        "can not find MinVddci voltage value from memory VDDCI voltage dependency table", return result);
        }

        memory_level->MinVddcPhases = 1;

        if (data->vddc_phase_shed_control) {
                iceland_populate_phase_value_based_on_mclk(hwmgr, hwmgr->dyn_state.vddc_phase_shed_limits_table,
                                memory_clock, &memory_level->MinVddcPhases);
        }

        memory_level->EnabledForThrottle = 1;
        memory_level->EnabledForActivity = 0;
        memory_level->UpHyst = 0;
        memory_level->DownHyst = 100;
        memory_level->VoltageDownHyst = 0;

        /* Indicates maximum activity level for this performance level.*/
        memory_level->ActivityLevel = (uint16_t)data->mclk_activity_target;
        memory_level->StutterEnable = 0;
        memory_level->StrobeEnable = 0;
        memory_level->EdcReadEnable = 0;
        memory_level->EdcWriteEnable = 0;
        memory_level->RttEnable = 0;

        /* default set to low watermark. Highest level will be set to high later.*/
        memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;

        cgs_get_active_displays_info(hwmgr->device, &info);
        data->display_timing.num_existing_displays = info.display_count;

        /* stutter mode not support on iceland */

        /* decide strobe mode*/
        memory_level->StrobeEnable = (mclk_strobe_mode_threshold != 0) &&
                (memory_clock <= mclk_strobe_mode_threshold);

        /* decide EDC mode and memory clock ratio*/
        if (data->is_memory_gddr5) {
                memory_level->StrobeRatio = iceland_get_mclk_frequency_ratio(memory_clock,
                                        memory_level->StrobeEnable);

                if ((mclk_edc_enable_threshold != 0) &&
                                (memory_clock > mclk_edc_enable_threshold)) {
                        memory_level->EdcReadEnable = 1;
                }

                if ((mclk_edc_wr_enable_threshold != 0) &&
                                (memory_clock > mclk_edc_wr_enable_threshold)) {
                        memory_level->EdcWriteEnable = 1;
                }

                if (memory_level->StrobeEnable) {
                        if (iceland_get_mclk_frequency_ratio(memory_clock, 1) >=
                                        ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC7) >> 16) & 0xf))
                                dll_state_on = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
                        else
                                dll_state_on = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC6) >> 1) & 0x1) ? 1 : 0;
                } else
                        dll_state_on = data->dll_default_on;
        } else {
                memory_level->StrobeRatio =
                        iceland_get_ddr3_mclk_frequency_ratio(memory_clock);
                dll_state_on = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
        }

        result = iceland_calculate_mclk_params(hwmgr,
                memory_clock, memory_level, memory_level->StrobeEnable, dll_state_on);

        if (0 == result) {
                memory_level->MinVddc = PP_HOST_TO_SMC_UL(memory_level->MinVddc * VOLTAGE_SCALE);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MinVddcPhases);
                memory_level->MinVddci = PP_HOST_TO_SMC_UL(memory_level->MinVddci * VOLTAGE_SCALE);
                memory_level->MinMvdd = PP_HOST_TO_SMC_UL(memory_level->MinMvdd * VOLTAGE_SCALE);
                /* MCLK frequency in units of 10KHz*/
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkFrequency);
                /* Indicates maximum activity level for this performance level.*/
                CONVERT_FROM_HOST_TO_SMC_US(memory_level->ActivityLevel);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_1);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_2);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllAdFuncCntl);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllDqFuncCntl);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkPwrmgtCntl);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->DllCntl);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs1);
                CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs2);
        }

        return result;
}

/**
 * Populates all SMC MCLK levels' structure based on the trimmed allowed dpm memory clock states
 *
 * @param    hwmgr      the address of the hardware manager
 */

int iceland_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        struct smu7_dpm_table *dpm_table = &data->dpm_table;
        int result;

        /* populate MCLK dpm table to SMU7 */
        uint32_t level_array_adress = smu_data->smu7_data.dpm_table_start + offsetof(SMU71_Discrete_DpmTable, MemoryLevel);
        uint32_t level_array_size = sizeof(SMU71_Discrete_MemoryLevel) * SMU71_MAX_LEVELS_MEMORY;
        SMU71_Discrete_MemoryLevel *levels = smu_data->smc_state_table.MemoryLevel;
        uint32_t i;

        memset(levels, 0x00, level_array_size);

        for (i = 0; i < dpm_table->mclk_table.count; i++) {
                PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value),
                        "can not populate memory level as memory clock is zero", return -EINVAL);
                result = iceland_populate_single_memory_level(hwmgr, dpm_table->mclk_table.dpm_levels[i].value,
                        &(smu_data->smc_state_table.MemoryLevel[i]));
                if (0 != result) {
                        return result;
                }
        }

        /* Only enable level 0 for now.*/
        smu_data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1;

        /*
        * in order to prevent MC activity from stutter mode to push DPM up.
        * the UVD change complements this by putting the MCLK in a higher state
        * by default such that we are not effected by up threshold or and MCLK DPM latency.
        */
        smu_data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F;
        CONVERT_FROM_HOST_TO_SMC_US(smu_data->smc_state_table.MemoryLevel[0].ActivityLevel);

        smu_data->smc_state_table.MemoryDpmLevelCount = (uint8_t)dpm_table->mclk_table.count;
        data->dpm_level_enable_mask.mclk_dpm_enable_mask = phm_get_dpm_level_enable_mask_value(&dpm_table->mclk_table);
        /* set highest level watermark to high*/
        smu_data->smc_state_table.MemoryLevel[dpm_table->mclk_table.count-1].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH;

        /* level count will send to smc once at init smc table and never change*/
        result = smu7_copy_bytes_to_smc(hwmgr->smumgr,
                level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size,
                SMC_RAM_END);

        return result;
}

static int iceland_populate_mvdd_value(struct pp_hwmgr *hwmgr, uint32_t mclk,
                                        SMU71_Discrete_VoltageLevel *voltage)
{
        const struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        uint32_t i = 0;

        if (SMU7_VOLTAGE_CONTROL_NONE != data->mvdd_control) {
                /* find mvdd value which clock is more than request */
                for (i = 0; i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count; i++) {
                        if (mclk <= hwmgr->dyn_state.mvdd_dependency_on_mclk->entries[i].clk) {
                                /* Always round to higher voltage. */
                                voltage->Voltage = data->mvdd_voltage_table.entries[i].value;
                                break;
                        }
                }

                PP_ASSERT_WITH_CODE(i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count,
                        "MVDD Voltage is outside the supported range.", return -EINVAL);

        } else {
                return -EINVAL;
        }

        return 0;
}

static int iceland_populate_smc_acpi_level(struct pp_hwmgr *hwmgr,
        SMU71_Discrete_DpmTable *table)
{
        int result = 0;
        const struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct pp_atomctrl_clock_dividers_vi dividers;
        uint32_t vddc_phase_shed_control = 0;

        SMU71_Discrete_VoltageLevel voltage_level;
        uint32_t spll_func_cntl    = data->clock_registers.vCG_SPLL_FUNC_CNTL;
        uint32_t spll_func_cntl_2  = data->clock_registers.vCG_SPLL_FUNC_CNTL_2;
        uint32_t dll_cntl          = data->clock_registers.vDLL_CNTL;
        uint32_t mclk_pwrmgt_cntl  = data->clock_registers.vMCLK_PWRMGT_CNTL;


        /* The ACPI state should not do DPM on DC (or ever).*/
        table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;

        if (data->acpi_vddc)
                table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->acpi_vddc * VOLTAGE_SCALE);
        else
                table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->min_vddc_in_pptable * VOLTAGE_SCALE);

        table->ACPILevel.MinVddcPhases = vddc_phase_shed_control ? 0 : 1;
        /* assign zero for now*/
        table->ACPILevel.SclkFrequency = atomctrl_get_reference_clock(hwmgr);

        /* get the engine clock dividers for this clock value*/
        result = atomctrl_get_engine_pll_dividers_vi(hwmgr,
                table->ACPILevel.SclkFrequency,  &dividers);

        PP_ASSERT_WITH_CODE(result == 0,
                "Error retrieving Engine Clock dividers from VBIOS.", return result);

        /* divider ID for required SCLK*/
        table->ACPILevel.SclkDid = (uint8_t)dividers.pll_post_divider;
        table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
        table->ACPILevel.DeepSleepDivId = 0;

        spll_func_cntl      = PHM_SET_FIELD(spll_func_cntl,
                                                        CG_SPLL_FUNC_CNTL,   SPLL_PWRON,     0);
        spll_func_cntl      = PHM_SET_FIELD(spll_func_cntl,
                                                        CG_SPLL_FUNC_CNTL,   SPLL_RESET,     1);
        spll_func_cntl_2    = PHM_SET_FIELD(spll_func_cntl_2,
                                                        CG_SPLL_FUNC_CNTL_2, SCLK_MUX_SEL,   4);

        table->ACPILevel.CgSpllFuncCntl = spll_func_cntl;
        table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2;
        table->ACPILevel.CgSpllFuncCntl3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
        table->ACPILevel.CgSpllFuncCntl4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
        table->ACPILevel.SpllSpreadSpectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
        table->ACPILevel.SpllSpreadSpectrum2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
        table->ACPILevel.CcPwrDynRm = 0;
        table->ACPILevel.CcPwrDynRm1 = 0;


        /* For various features to be enabled/disabled while this level is active.*/
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags);
        /* SCLK frequency in units of 10KHz*/
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkFrequency);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl2);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl3);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl4);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum2);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm);
        CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1);

        /* table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;*/
        table->MemoryACPILevel.MinVddc = table->ACPILevel.MinVddc;
        table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;

        if (SMU7_VOLTAGE_CONTROL_NONE == data->vddci_control)
                table->MemoryACPILevel.MinVddci = table->MemoryACPILevel.MinVddc;
        else {
                if (data->acpi_vddci != 0)
                        table->MemoryACPILevel.MinVddci = PP_HOST_TO_SMC_UL(data->acpi_vddci * VOLTAGE_SCALE);
                else
                        table->MemoryACPILevel.MinVddci = PP_HOST_TO_SMC_UL(data->min_vddci_in_pptable * VOLTAGE_SCALE);
        }

        if (0 == iceland_populate_mvdd_value(hwmgr, 0, &voltage_level))
                table->MemoryACPILevel.MinMvdd =
                        PP_HOST_TO_SMC_UL(voltage_level.Voltage * VOLTAGE_SCALE);
        else
                table->MemoryACPILevel.MinMvdd = 0;

        /* Force reset on DLL*/
        mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
                MCLK_PWRMGT_CNTL, MRDCK0_RESET, 0x1);
        mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
                MCLK_PWRMGT_CNTL, MRDCK1_RESET, 0x1);

        /* Disable DLL in ACPIState*/
        mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
                MCLK_PWRMGT_CNTL, MRDCK0_PDNB, 0);
        mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
                MCLK_PWRMGT_CNTL, MRDCK1_PDNB, 0);

        /* Enable DLL bypass signal*/
        dll_cntl            = PHM_SET_FIELD(dll_cntl,
                DLL_CNTL, MRDCK0_BYPASS, 0);
        dll_cntl            = PHM_SET_FIELD(dll_cntl,
                DLL_CNTL, MRDCK1_BYPASS, 0);

        table->MemoryACPILevel.DllCntl            =
                PP_HOST_TO_SMC_UL(dll_cntl);
        table->MemoryACPILevel.MclkPwrmgtCntl     =
                PP_HOST_TO_SMC_UL(mclk_pwrmgt_cntl);
        table->MemoryACPILevel.MpllAdFuncCntl     =
                PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_AD_FUNC_CNTL);
        table->MemoryACPILevel.MpllDqFuncCntl     =
                PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_DQ_FUNC_CNTL);
        table->MemoryACPILevel.MpllFuncCntl       =
                PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL);
        table->MemoryACPILevel.MpllFuncCntl_1     =
                PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_1);
        table->MemoryACPILevel.MpllFuncCntl_2     =
                PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_2);
        table->MemoryACPILevel.MpllSs1            =
                PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS1);
        table->MemoryACPILevel.MpllSs2            =
                PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS2);

        table->MemoryACPILevel.EnabledForThrottle = 0;
        table->MemoryACPILevel.EnabledForActivity = 0;
        table->MemoryACPILevel.UpHyst = 0;
        table->MemoryACPILevel.DownHyst = 100;
        table->MemoryACPILevel.VoltageDownHyst = 0;
        /* Indicates maximum activity level for this performance level.*/
        table->MemoryACPILevel.ActivityLevel = PP_HOST_TO_SMC_US((uint16_t)data->mclk_activity_target);

        table->MemoryACPILevel.StutterEnable = 0;
        table->MemoryACPILevel.StrobeEnable = 0;
        table->MemoryACPILevel.EdcReadEnable = 0;
        table->MemoryACPILevel.EdcWriteEnable = 0;
        table->MemoryACPILevel.RttEnable = 0;

        return result;
}

static int iceland_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
                                        SMU71_Discrete_DpmTable *table)
{
        return 0;
}

static int iceland_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
                SMU71_Discrete_DpmTable *table)
{
        return 0;
}

static int iceland_populate_smc_acp_level(struct pp_hwmgr *hwmgr,
                SMU71_Discrete_DpmTable *table)
{
        return 0;
}

static int iceland_populate_smc_samu_level(struct pp_hwmgr *hwmgr,
        SMU71_Discrete_DpmTable *table)
{
        return 0;
}

static int iceland_populate_memory_timing_parameters(
                struct pp_hwmgr *hwmgr,
                uint32_t engine_clock,
                uint32_t memory_clock,
                struct SMU71_Discrete_MCArbDramTimingTableEntry *arb_regs
                )
{
        uint32_t dramTiming;
        uint32_t dramTiming2;
        uint32_t burstTime;
        int result;

        result = atomctrl_set_engine_dram_timings_rv770(hwmgr,
                                engine_clock, memory_clock);

        PP_ASSERT_WITH_CODE(result == 0,
                "Error calling VBIOS to set DRAM_TIMING.", return result);

        dramTiming  = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
        dramTiming2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
        burstTime = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);

        arb_regs->McArbDramTiming  = PP_HOST_TO_SMC_UL(dramTiming);
        arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dramTiming2);
        arb_regs->McArbBurstTime = (uint8_t)burstTime;

        return 0;
}

/**
 * Setup parameters for the MC ARB.
 *
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @return   always 0
 * This function is to be called from the SetPowerState table.
 */
static int iceland_program_memory_timing_parameters(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        int result = 0;
        SMU71_Discrete_MCArbDramTimingTable  arb_regs;
        uint32_t i, j;

        memset(&arb_regs, 0x00, sizeof(SMU71_Discrete_MCArbDramTimingTable));

        for (i = 0; i < data->dpm_table.sclk_table.count; i++) {
                for (j = 0; j < data->dpm_table.mclk_table.count; j++) {
                        result = iceland_populate_memory_timing_parameters
                                (hwmgr, data->dpm_table.sclk_table.dpm_levels[i].value,
                                 data->dpm_table.mclk_table.dpm_levels[j].value,
                                 &arb_regs.entries[i][j]);

                        if (0 != result) {
                                break;
                        }
                }
        }

        if (0 == result) {
                result = smu7_copy_bytes_to_smc(
                                hwmgr->smumgr,
                                smu_data->smu7_data.arb_table_start,
                                (uint8_t *)&arb_regs,
                                sizeof(SMU71_Discrete_MCArbDramTimingTable),
                                SMC_RAM_END
                                );
        }

        return result;
}

static int iceland_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
                        SMU71_Discrete_DpmTable *table)
{
        int result = 0;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        table->GraphicsBootLevel = 0;
        table->MemoryBootLevel = 0;

        /* find boot level from dpm table*/
        result = phm_find_boot_level(&(data->dpm_table.sclk_table),
                        data->vbios_boot_state.sclk_bootup_value,
                        (uint32_t *)&(smu_data->smc_state_table.GraphicsBootLevel));

        if (0 != result) {
                smu_data->smc_state_table.GraphicsBootLevel = 0;
                printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \
                        in dependency table. Using Graphics DPM level 0!");
                result = 0;
        }

        result = phm_find_boot_level(&(data->dpm_table.mclk_table),
                data->vbios_boot_state.mclk_bootup_value,
                (uint32_t *)&(smu_data->smc_state_table.MemoryBootLevel));

        if (0 != result) {
                smu_data->smc_state_table.MemoryBootLevel = 0;
                printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \
                        in dependency table. Using Memory DPM level 0!");
                result = 0;
        }

        table->BootVddc = data->vbios_boot_state.vddc_bootup_value;
        if (SMU7_VOLTAGE_CONTROL_NONE == data->vddci_control)
                table->BootVddci = table->BootVddc;
        else
                table->BootVddci = data->vbios_boot_state.vddci_bootup_value;

        table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value;

        return result;
}

static int iceland_populate_mc_reg_address(struct pp_smumgr *smumgr,
                                 SMU71_Discrete_MCRegisters *mc_reg_table)
{
        const struct iceland_smumgr *smu_data = (struct iceland_smumgr *)smumgr->backend;

        uint32_t i, j;

        for (i = 0, j = 0; j < smu_data->mc_reg_table.last; j++) {
                if (smu_data->mc_reg_table.validflag & 1<<j) {
                        PP_ASSERT_WITH_CODE(i < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE,
                                "Index of mc_reg_table->address[] array out of boundary", return -EINVAL);
                        mc_reg_table->address[i].s0 =
                                PP_HOST_TO_SMC_US(smu_data->mc_reg_table.mc_reg_address[j].s0);
                        mc_reg_table->address[i].s1 =
                                PP_HOST_TO_SMC_US(smu_data->mc_reg_table.mc_reg_address[j].s1);
                        i++;
                }
        }

        mc_reg_table->last = (uint8_t)i;

        return 0;
}

/*convert register values from driver to SMC format */
static void iceland_convert_mc_registers(
        const struct iceland_mc_reg_entry *entry,
        SMU71_Discrete_MCRegisterSet *data,
        uint32_t num_entries, uint32_t valid_flag)
{
        uint32_t i, j;

        for (i = 0, j = 0; j < num_entries; j++) {
                if (valid_flag & 1<<j) {
                        data->value[i] = PP_HOST_TO_SMC_UL(entry->mc_data[j]);
                        i++;
                }
        }
}

static int iceland_convert_mc_reg_table_entry_to_smc(
                struct pp_smumgr *smumgr,
                const uint32_t memory_clock,
                SMU71_Discrete_MCRegisterSet *mc_reg_table_data
                )
{
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(smumgr->backend);
        uint32_t i = 0;

        for (i = 0; i < smu_data->mc_reg_table.num_entries; i++) {
                if (memory_clock <=
                        smu_data->mc_reg_table.mc_reg_table_entry[i].mclk_max) {
                        break;
                }
        }

        if ((i == smu_data->mc_reg_table.num_entries) && (i > 0))
                --i;

        iceland_convert_mc_registers(&smu_data->mc_reg_table.mc_reg_table_entry[i],
                                mc_reg_table_data, smu_data->mc_reg_table.last,
                                smu_data->mc_reg_table.validflag);

        return 0;
}

static int iceland_convert_mc_reg_table_to_smc(struct pp_hwmgr *hwmgr,
                SMU71_Discrete_MCRegisters *mc_regs)
{
        int result = 0;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        int res;
        uint32_t i;

        for (i = 0; i < data->dpm_table.mclk_table.count; i++) {
                res = iceland_convert_mc_reg_table_entry_to_smc(
                                hwmgr->smumgr,
                                data->dpm_table.mclk_table.dpm_levels[i].value,
                                &mc_regs->data[i]
                                );

                if (0 != res)
                        result = res;
        }

        return result;
}

static int iceland_update_and_upload_mc_reg_table(struct pp_hwmgr *hwmgr)
{
        struct pp_smumgr *smumgr = hwmgr->smumgr;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(smumgr->backend);
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        uint32_t address;
        int32_t result;

        if (0 == (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK))
                return 0;


        memset(&smu_data->mc_regs, 0, sizeof(SMU71_Discrete_MCRegisters));

        result = iceland_convert_mc_reg_table_to_smc(hwmgr, &(smu_data->mc_regs));

        if (result != 0)
                return result;


        address = smu_data->smu7_data.mc_reg_table_start + (uint32_t)offsetof(SMU71_Discrete_MCRegisters, data[0]);

        return  smu7_copy_bytes_to_smc(hwmgr->smumgr, address,
                                 (uint8_t *)&smu_data->mc_regs.data[0],
                                sizeof(SMU71_Discrete_MCRegisterSet) * data->dpm_table.mclk_table.count,
                                SMC_RAM_END);
}

static int iceland_populate_initial_mc_reg_table(struct pp_hwmgr *hwmgr)
{
        int result;
        struct pp_smumgr *smumgr = hwmgr->smumgr;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(smumgr->backend);

        memset(&smu_data->mc_regs, 0x00, sizeof(SMU71_Discrete_MCRegisters));
        result = iceland_populate_mc_reg_address(smumgr, &(smu_data->mc_regs));
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize MCRegTable for the MC register addresses!", return result;);

        result = iceland_convert_mc_reg_table_to_smc(hwmgr, &smu_data->mc_regs);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize MCRegTable for driver state!", return result;);

        return smu7_copy_bytes_to_smc(smumgr, smu_data->smu7_data.mc_reg_table_start,
                        (uint8_t *)&smu_data->mc_regs, sizeof(SMU71_Discrete_MCRegisters), SMC_RAM_END);
}

static int iceland_populate_smc_initial_state(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        uint8_t count, level;

        count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->count);

        for (level = 0; level < count; level++) {
                if (hwmgr->dyn_state.vddc_dependency_on_sclk->entries[level].clk
                         >= data->vbios_boot_state.sclk_bootup_value) {
                        smu_data->smc_state_table.GraphicsBootLevel = level;
                        break;
                }
        }

        count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_mclk->count);

        for (level = 0; level < count; level++) {
                if (hwmgr->dyn_state.vddc_dependency_on_mclk->entries[level].clk
                        >= data->vbios_boot_state.mclk_bootup_value) {
                        smu_data->smc_state_table.MemoryBootLevel = level;
                        break;
                }
        }

        return 0;
}

static int iceland_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;
        SMU71_Discrete_DpmTable  *dpm_table = &(smu_data->smc_state_table);
        struct phm_cac_tdp_table *cac_dtp_table = hwmgr->dyn_state.cac_dtp_table;
        struct phm_ppm_table *ppm = hwmgr->dyn_state.ppm_parameter_table;
        const uint16_t *def1, *def2;
        int i, j, k;


        /*
         * TDP number of fraction bits are changed from 8 to 7 for Iceland
         * as requested by SMC team
         */

        dpm_table->DefaultTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usTDP * 256));
        dpm_table->TargetTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usConfigurableTDP * 256));


        dpm_table->DTETjOffset = 0;

        dpm_table->GpuTjMax = (uint8_t)(data->thermal_temp_setting.temperature_high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES);
        dpm_table->GpuTjHyst = 8;

        dpm_table->DTEAmbientTempBase = defaults->dte_ambient_temp_base;

        /* The following are for new Iceland Multi-input fan/thermal control */
        if (NULL != ppm) {
                dpm_table->PPM_PkgPwrLimit = (uint16_t)ppm->dgpu_tdp * 256 / 1000;
                dpm_table->PPM_TemperatureLimit = (uint16_t)ppm->tj_max * 256;
        } else {
                dpm_table->PPM_PkgPwrLimit = 0;
                dpm_table->PPM_TemperatureLimit = 0;
        }

        CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_PkgPwrLimit);
        CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_TemperatureLimit);

        dpm_table->BAPM_TEMP_GRADIENT = PP_HOST_TO_SMC_UL(defaults->bamp_temp_gradient);
        def1 = defaults->bapmti_r;
        def2 = defaults->bapmti_rc;

        for (i = 0; i < SMU71_DTE_ITERATIONS; i++) {
                for (j = 0; j < SMU71_DTE_SOURCES; j++) {
                        for (k = 0; k < SMU71_DTE_SINKS; k++) {
                                dpm_table->BAPMTI_R[i][j][k] = PP_HOST_TO_SMC_US(*def1);
                                dpm_table->BAPMTI_RC[i][j][k] = PP_HOST_TO_SMC_US(*def2);
                                def1++;
                                def2++;
                        }
                }
        }

        return 0;
}

static int iceland_populate_smc_svi2_config(struct pp_hwmgr *hwmgr,
                                            SMU71_Discrete_DpmTable *tab)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control)
                tab->SVI2Enable |= VDDC_ON_SVI2;

        if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
                tab->SVI2Enable |= VDDCI_ON_SVI2;
        else
                tab->MergedVddci = 1;

        if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control)
                tab->SVI2Enable |= MVDD_ON_SVI2;

        PP_ASSERT_WITH_CODE(tab->SVI2Enable != (VDDC_ON_SVI2 | VDDCI_ON_SVI2 | MVDD_ON_SVI2) &&
                (tab->SVI2Enable & VDDC_ON_SVI2), "SVI2 domain configuration is incorrect!", return -EINVAL);

        return 0;
}

/**
 * Initializes the SMC table and uploads it
 *
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @param    pInput  the pointer to input data (PowerState)
 * @return   always 0
 */
int iceland_init_smc_table(struct pp_hwmgr *hwmgr)
{
        int result;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        SMU71_Discrete_DpmTable  *table = &(smu_data->smc_state_table);


        iceland_initialize_power_tune_defaults(hwmgr);
        memset(&(smu_data->smc_state_table), 0x00, sizeof(smu_data->smc_state_table));

        if (SMU7_VOLTAGE_CONTROL_NONE != data->voltage_control) {
                iceland_populate_smc_voltage_tables(hwmgr, table);
        }

        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
                        PHM_PlatformCaps_AutomaticDCTransition))
                table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;


        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
                        PHM_PlatformCaps_StepVddc))
                table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;

        if (data->is_memory_gddr5)
                table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5;


        if (data->ulv_supported) {
                result = iceland_populate_ulv_state(hwmgr, &(smu_data->ulv_setting));
                PP_ASSERT_WITH_CODE(0 == result,
                        "Failed to initialize ULV state!", return result;);

                cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
                        ixCG_ULV_PARAMETER, 0x40035);
        }

        result = iceland_populate_smc_link_level(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize Link Level!", return result;);

        result = iceland_populate_all_graphic_levels(hwmgr);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize Graphics Level!", return result;);

        result = iceland_populate_all_memory_levels(hwmgr);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize Memory Level!", return result;);

        result = iceland_populate_smc_acpi_level(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize ACPI Level!", return result;);

        result = iceland_populate_smc_vce_level(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize VCE Level!", return result;);

        result = iceland_populate_smc_acp_level(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize ACP Level!", return result;);

        result = iceland_populate_smc_samu_level(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize SAMU Level!", return result;);

        /* Since only the initial state is completely set up at this point (the other states are just copies of the boot state) we only */
        /* need to populate the  ARB settings for the initial state. */
        result = iceland_program_memory_timing_parameters(hwmgr);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to Write ARB settings for the initial state.", return result;);

        result = iceland_populate_smc_uvd_level(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize UVD Level!", return result;);

        table->GraphicsBootLevel = 0;
        table->MemoryBootLevel = 0;

        result = iceland_populate_smc_boot_level(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to initialize Boot Level!", return result;);

        result = iceland_populate_smc_initial_state(hwmgr);
        PP_ASSERT_WITH_CODE(0 == result, "Failed to initialize Boot State!", return result);

        result = iceland_populate_bapm_parameters_in_dpm_table(hwmgr);
        PP_ASSERT_WITH_CODE(0 == result, "Failed to populate BAPM Parameters!", return result);

        table->GraphicsVoltageChangeEnable  = 1;
        table->GraphicsThermThrottleEnable  = 1;
        table->GraphicsInterval = 1;
        table->VoltageInterval  = 1;
        table->ThermalInterval  = 1;

        table->TemperatureLimitHigh =
                (data->thermal_temp_setting.temperature_high *
                 SMU7_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
        table->TemperatureLimitLow =
                (data->thermal_temp_setting.temperature_low *
                SMU7_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;

        table->MemoryVoltageChangeEnable  = 1;
        table->MemoryInterval  = 1;
        table->VoltageResponseTime  = 0;
        table->PhaseResponseTime  = 0;
        table->MemoryThermThrottleEnable  = 1;
        table->PCIeBootLinkLevel = 0;
        table->PCIeGenInterval = 1;

        result = iceland_populate_smc_svi2_config(hwmgr, table);
        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to populate SVI2 setting!", return result);

        table->ThermGpio  = 17;
        table->SclkStepSize = 0x4000;

        CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcVid);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcPhase);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddciVid);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskMvddVid);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize);
        CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh);
        CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow);
        CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime);
        CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime);

        table->BootVddc = PP_HOST_TO_SMC_US(table->BootVddc * VOLTAGE_SCALE);
        table->BootVddci = PP_HOST_TO_SMC_US(table->BootVddci * VOLTAGE_SCALE);
        table->BootMVdd = PP_HOST_TO_SMC_US(table->BootMVdd * VOLTAGE_SCALE);

        /* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */
        result = smu7_copy_bytes_to_smc(hwmgr->smumgr, smu_data->smu7_data.dpm_table_start +
                                                                                offsetof(SMU71_Discrete_DpmTable, SystemFlags),
                                                                                (uint8_t *)&(table->SystemFlags),
                                                                                sizeof(SMU71_Discrete_DpmTable)-3 * sizeof(SMU71_PIDController),
                                                                                SMC_RAM_END);

        PP_ASSERT_WITH_CODE(0 == result,
                "Failed to upload dpm data to SMC memory!", return result;);

        /* Upload all ulv setting to SMC memory.(dpm level, dpm level count etc) */
        result = smu7_copy_bytes_to_smc(hwmgr->smumgr,
                        smu_data->smu7_data.ulv_setting_starts,
                        (uint8_t *)&(smu_data->ulv_setting),
                        sizeof(SMU71_Discrete_Ulv),
                        SMC_RAM_END);


        result = iceland_populate_initial_mc_reg_table(hwmgr);
        PP_ASSERT_WITH_CODE((0 == result),
                "Failed to populate initialize MC Reg table!", return result);

        result = iceland_populate_pm_fuses(hwmgr);
        PP_ASSERT_WITH_CODE(0 == result,
                        "Failed to  populate PM fuses to SMC memory!", return result);

        return 0;
}

/**
* Set up the fan table to control the fan using the SMC.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pInput the pointer to input data
* @param    pOutput the pointer to output data
* @param    pStorage the pointer to temporary storage
* @param    Result the last failure code
* @return   result from set temperature range routine
*/
int iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
{
        struct smu7_smumgr *smu7_data = (struct smu7_smumgr *)(hwmgr->smumgr->backend);
        SMU71_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
        uint32_t duty100;
        uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;

        uint16_t fdo_min, slope1, slope2;
        uint32_t reference_clock;
        int res;
        uint64_t tmp64;

        if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))
                return 0;

        if (0 == smu7_data->fan_table_start) {
                phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
                return 0;
        }

        duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100);

        if (0 == duty100) {
                phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
                return 0;
        }

        tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin * duty100;
        do_div(tmp64, 10000);
        fdo_min = (uint16_t)tmp64;

        t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed - hwmgr->thermal_controller.advanceFanControlParameters.usTMin;
        t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh - hwmgr->thermal_controller.advanceFanControlParameters.usTMed;

        pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin;
        pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed;

        slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
        slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);

        fan_table.TempMin = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMin) / 100);
        fan_table.TempMed = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMed) / 100);
        fan_table.TempMax = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMax) / 100);

        fan_table.Slope1 = cpu_to_be16(slope1);
        fan_table.Slope2 = cpu_to_be16(slope2);

        fan_table.FdoMin = cpu_to_be16(fdo_min);

        fan_table.HystDown = cpu_to_be16(hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst);

        fan_table.HystUp = cpu_to_be16(1);

        fan_table.HystSlope = cpu_to_be16(1);

        fan_table.TempRespLim = cpu_to_be16(5);

        reference_clock = smu7_get_xclk(hwmgr);

        fan_table.RefreshPeriod = cpu_to_be32((hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay * reference_clock) / 1600);

        fan_table.FdoMax = cpu_to_be16((uint16_t)duty100);

        fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_CTRL, TEMP_SEL);

        /* fan_table.FanControl_GL_Flag = 1; */

        res = smu7_copy_bytes_to_smc(hwmgr->smumgr, smu7_data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), SMC_RAM_END);

        return 0;
}


static int iceland_program_mem_timing_parameters(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        if (data->need_update_smu7_dpm_table &
                (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK))
                return iceland_program_memory_timing_parameters(hwmgr);

        return 0;
}

int iceland_update_sclk_threshold(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);

        int result = 0;
        uint32_t low_sclk_interrupt_threshold = 0;

        if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
                        PHM_PlatformCaps_SclkThrottleLowNotification)
                && (hwmgr->gfx_arbiter.sclk_threshold !=
                                data->low_sclk_interrupt_threshold)) {
                data->low_sclk_interrupt_threshold =
                                hwmgr->gfx_arbiter.sclk_threshold;
                low_sclk_interrupt_threshold =
                                data->low_sclk_interrupt_threshold;

                CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold);

                result = smu7_copy_bytes_to_smc(
                                hwmgr->smumgr,
                                smu_data->smu7_data.dpm_table_start +
                                offsetof(SMU71_Discrete_DpmTable,
                                        LowSclkInterruptThreshold),
                                (uint8_t *)&low_sclk_interrupt_threshold,
                                sizeof(uint32_t),
                                SMC_RAM_END);
        }

        result = iceland_update_and_upload_mc_reg_table(hwmgr);

        PP_ASSERT_WITH_CODE((0 == result), "Failed to upload MC reg table!", return result);

        result = iceland_program_mem_timing_parameters(hwmgr);
        PP_ASSERT_WITH_CODE((result == 0),
                        "Failed to program memory timing parameters!",
                        );

        return result;
}

uint32_t iceland_get_offsetof(uint32_t type, uint32_t member)
{
        switch (type) {
        case SMU_SoftRegisters:
                switch (member) {
                case HandshakeDisables:
                        return offsetof(SMU71_SoftRegisters, HandshakeDisables);
                case VoltageChangeTimeout:
                        return offsetof(SMU71_SoftRegisters, VoltageChangeTimeout);
                case AverageGraphicsActivity:
                        return offsetof(SMU71_SoftRegisters, AverageGraphicsActivity);
                case PreVBlankGap:
                        return offsetof(SMU71_SoftRegisters, PreVBlankGap);
                case VBlankTimeout:
                        return offsetof(SMU71_SoftRegisters, VBlankTimeout);
                case UcodeLoadStatus:
                        return offsetof(SMU71_SoftRegisters, UcodeLoadStatus);
                }
        case SMU_Discrete_DpmTable:
                switch (member) {
                case LowSclkInterruptThreshold:
                        return offsetof(SMU71_Discrete_DpmTable, LowSclkInterruptThreshold);
                }
        }
        printk("cant't get the offset of type %x member %x \n", type, member);
        return 0;
}

uint32_t iceland_get_mac_definition(uint32_t value)
{
        switch (value) {
        case SMU_MAX_LEVELS_GRAPHICS:
                return SMU71_MAX_LEVELS_GRAPHICS;
        case SMU_MAX_LEVELS_MEMORY:
                return SMU71_MAX_LEVELS_MEMORY;
        case SMU_MAX_LEVELS_LINK:
                return SMU71_MAX_LEVELS_LINK;
        case SMU_MAX_ENTRIES_SMIO:
                return SMU71_MAX_ENTRIES_SMIO;
        case SMU_MAX_LEVELS_VDDC:
                return SMU71_MAX_LEVELS_VDDC;
        case SMU_MAX_LEVELS_VDDCI:
                return SMU71_MAX_LEVELS_VDDCI;
        case SMU_MAX_LEVELS_MVDD:
                return SMU71_MAX_LEVELS_MVDD;
        }

        printk("cant't get the mac of %x \n", value);
        return 0;
}

/**
 * Get the location of various tables inside the FW image.
 *
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @return   always 0
 */
int iceland_process_firmware_header(struct pp_hwmgr *hwmgr)
{
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
        struct smu7_smumgr *smu7_data = (struct smu7_smumgr *)(hwmgr->smumgr->backend);

        uint32_t tmp;
        int result;
        bool error = false;

        result = smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, DpmTable),
                                &tmp, SMC_RAM_END);

        if (0 == result) {
                smu7_data->dpm_table_start = tmp;
        }

        error |= (0 != result);

        result = smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, SoftRegisters),
                                &tmp, SMC_RAM_END);

        if (0 == result) {
                data->soft_regs_start = tmp;
                smu7_data->soft_regs_start = tmp;
        }

        error |= (0 != result);


        result = smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, mcRegisterTable),
                                &tmp, SMC_RAM_END);

        if (0 == result) {
                smu7_data->mc_reg_table_start = tmp;
        }

        result = smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, FanTable),
                                &tmp, SMC_RAM_END);

        if (0 == result) {
                smu7_data->fan_table_start = tmp;
        }

        error |= (0 != result);

        result = smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, mcArbDramTimingTable),
                                &tmp, SMC_RAM_END);

        if (0 == result) {
                smu7_data->arb_table_start = tmp;
        }

        error |= (0 != result);


        result = smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, Version),
                                &tmp, SMC_RAM_END);

        if (0 == result) {
                hwmgr->microcode_version_info.SMC = tmp;
        }

        error |= (0 != result);

        result = smu7_read_smc_sram_dword(hwmgr->smumgr,
                                SMU71_FIRMWARE_HEADER_LOCATION +
                                offsetof(SMU71_Firmware_Header, UlvSettings),
                                &tmp, SMC_RAM_END);

        if (0 == result) {
                smu7_data->ulv_setting_starts = tmp;
        }

        error |= (0 != result);

        return error ? 1 : 0;
}

/*---------------------------MC----------------------------*/

static uint8_t iceland_get_memory_modile_index(struct pp_hwmgr *hwmgr)
{
        return (uint8_t) (0xFF & (cgs_read_register(hwmgr->device, mmBIOS_SCRATCH_4) >> 16));
}

static bool iceland_check_s0_mc_reg_index(uint16_t in_reg, uint16_t *out_reg)
{
        bool result = true;

        switch (in_reg) {
        case  mmMC_SEQ_RAS_TIMING:
                *out_reg = mmMC_SEQ_RAS_TIMING_LP;
                break;

        case  mmMC_SEQ_DLL_STBY:
                *out_reg = mmMC_SEQ_DLL_STBY_LP;
                break;

        case  mmMC_SEQ_G5PDX_CMD0:
                *out_reg = mmMC_SEQ_G5PDX_CMD0_LP;
                break;

        case  mmMC_SEQ_G5PDX_CMD1:
                *out_reg = mmMC_SEQ_G5PDX_CMD1_LP;
                break;

        case  mmMC_SEQ_G5PDX_CTRL:
                *out_reg = mmMC_SEQ_G5PDX_CTRL_LP;
                break;

        case mmMC_SEQ_CAS_TIMING:
                *out_reg = mmMC_SEQ_CAS_TIMING_LP;
                break;

        case mmMC_SEQ_MISC_TIMING:
                *out_reg = mmMC_SEQ_MISC_TIMING_LP;
                break;

        case mmMC_SEQ_MISC_TIMING2:
                *out_reg = mmMC_SEQ_MISC_TIMING2_LP;
                break;

        case mmMC_SEQ_PMG_DVS_CMD:
                *out_reg = mmMC_SEQ_PMG_DVS_CMD_LP;
                break;

        case mmMC_SEQ_PMG_DVS_CTL:
                *out_reg = mmMC_SEQ_PMG_DVS_CTL_LP;
                break;

        case mmMC_SEQ_RD_CTL_D0:
                *out_reg = mmMC_SEQ_RD_CTL_D0_LP;
                break;

        case mmMC_SEQ_RD_CTL_D1:
                *out_reg = mmMC_SEQ_RD_CTL_D1_LP;
                break;

        case mmMC_SEQ_WR_CTL_D0:
                *out_reg = mmMC_SEQ_WR_CTL_D0_LP;
                break;

        case mmMC_SEQ_WR_CTL_D1:
                *out_reg = mmMC_SEQ_WR_CTL_D1_LP;
                break;

        case mmMC_PMG_CMD_EMRS:
                *out_reg = mmMC_SEQ_PMG_CMD_EMRS_LP;
                break;

        case mmMC_PMG_CMD_MRS:
                *out_reg = mmMC_SEQ_PMG_CMD_MRS_LP;
                break;

        case mmMC_PMG_CMD_MRS1:
                *out_reg = mmMC_SEQ_PMG_CMD_MRS1_LP;
                break;

        case mmMC_SEQ_PMG_TIMING:
                *out_reg = mmMC_SEQ_PMG_TIMING_LP;
                break;

        case mmMC_PMG_CMD_MRS2:
                *out_reg = mmMC_SEQ_PMG_CMD_MRS2_LP;
                break;

        case mmMC_SEQ_WR_CTL_2:
                *out_reg = mmMC_SEQ_WR_CTL_2_LP;
                break;

        default:
                result = false;
                break;
        }

        return result;
}

static int iceland_set_s0_mc_reg_index(struct iceland_mc_reg_table *table)
{
        uint32_t i;
        uint16_t address;

        for (i = 0; i < table->last; i++) {
                table->mc_reg_address[i].s0 =
                        iceland_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address)
                        ? address : table->mc_reg_address[i].s1;
        }
        return 0;
}

static int iceland_copy_vbios_smc_reg_table(const pp_atomctrl_mc_reg_table *table,
                                        struct iceland_mc_reg_table *ni_table)
{
        uint8_t i, j;

        PP_ASSERT_WITH_CODE((table->last <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
                "Invalid VramInfo table.", return -EINVAL);
        PP_ASSERT_WITH_CODE((table->num_entries <= MAX_AC_TIMING_ENTRIES),
                "Invalid VramInfo table.", return -EINVAL);

        for (i = 0; i < table->last; i++) {
                ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
        }
        ni_table->last = table->last;

        for (i = 0; i < table->num_entries; i++) {
                ni_table->mc_reg_table_entry[i].mclk_max =
                        table->mc_reg_table_entry[i].mclk_max;
                for (j = 0; j < table->last; j++) {
                        ni_table->mc_reg_table_entry[i].mc_data[j] =
                                table->mc_reg_table_entry[i].mc_data[j];
                }
        }

        ni_table->num_entries = table->num_entries;

        return 0;
}

/**
 * VBIOS omits some information to reduce size, we need to recover them here.
 * 1.   when we see mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write to  mmMC_PMG_CMD_EMRS /_LP[15:0].
 *      Bit[15:0] MRS, need to be update mmMC_PMG_CMD_MRS/_LP[15:0]
 * 2.   when we see mmMC_SEQ_RESERVE_M, bit[15:0] EMRS2, need to be write to mmMC_PMG_CMD_MRS1/_LP[15:0].
 * 3.   need to set these data for each clock range
 *
 * @param    hwmgr the address of the powerplay hardware manager.
 * @param    table the address of MCRegTable
 * @return   always 0
 */
static int iceland_set_mc_special_registers(struct pp_hwmgr *hwmgr,
                                        struct iceland_mc_reg_table *table)
{
        uint8_t i, j, k;
        uint32_t temp_reg;
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

        for (i = 0, j = table->last; i < table->last; i++) {
                PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
                        "Invalid VramInfo table.", return -EINVAL);

                switch (table->mc_reg_address[i].s1) {

                case mmMC_SEQ_MISC1:
                        temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS);
                        table->mc_reg_address[j].s1 = mmMC_PMG_CMD_EMRS;
                        table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_EMRS_LP;
                        for (k = 0; k < table->num_entries; k++) {
                                table->mc_reg_table_entry[k].mc_data[j] =
                                        ((temp_reg & 0xffff0000)) |
                                        ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
                        }
                        j++;
                        PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
                                "Invalid VramInfo table.", return -EINVAL);

                        temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS);
                        table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS;
                        table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS_LP;
                        for (k = 0; k < table->num_entries; k++) {
                                table->mc_reg_table_entry[k].mc_data[j] =
                                        (temp_reg & 0xffff0000) |
                                        (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);

                                if (!data->is_memory_gddr5) {
                                        table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
                                }
                        }
                        j++;
                        PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
                                "Invalid VramInfo table.", return -EINVAL);

                        if (!data->is_memory_gddr5 && j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE) {
                                table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD;
                                table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD;
                                for (k = 0; k < table->num_entries; k++) {
                                        table->mc_reg_table_entry[k].mc_data[j] =
                                                (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16;
                                }
                                j++;
                                PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
                                        "Invalid VramInfo table.", return -EINVAL);
                        }

                        break;

                case mmMC_SEQ_RESERVE_M:
                        temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1);
                        table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS1;
                        table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS1_LP;
                        for (k = 0; k < table->num_entries; k++) {
                                table->mc_reg_table_entry[k].mc_data[j] =
                                        (temp_reg & 0xffff0000) |
                                        (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
                        }
                        j++;
                        PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
                                "Invalid VramInfo table.", return -EINVAL);
                        break;

                default:
                        break;
                }

        }

        table->last = j;

        return 0;
}

static int iceland_set_valid_flag(struct iceland_mc_reg_table *table)
{
        uint8_t i, j;
        for (i = 0; i < table->last; i++) {
                for (j = 1; j < table->num_entries; j++) {
                        if (table->mc_reg_table_entry[j-1].mc_data[i] !=
                                table->mc_reg_table_entry[j].mc_data[i]) {
                                table->validflag |= (1<<i);
                                break;
                        }
                }
        }

        return 0;
}

int iceland_initialize_mc_reg_table(struct pp_hwmgr *hwmgr)
{
        int result;
        struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smumgr->backend);
        pp_atomctrl_mc_reg_table *table;
        struct iceland_mc_reg_table *ni_table = &smu_data->mc_reg_table;
        uint8_t module_index = iceland_get_memory_modile_index(hwmgr);

        table = kzalloc(sizeof(pp_atomctrl_mc_reg_table), GFP_KERNEL);

        if (NULL == table)
                return -ENOMEM;

        /* Program additional LP registers that are no longer programmed by VBIOS */
        cgs_write_register(hwmgr->device, mmMC_SEQ_RAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RAS_TIMING));
        cgs_write_register(hwmgr->device, mmMC_SEQ_CAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_CAS_TIMING));
        cgs_write_register(hwmgr->device, mmMC_SEQ_DLL_STBY_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_DLL_STBY));
        cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0));
        cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1));
        cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL));
        cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD));
        cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL));
        cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING));
        cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2));
        cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_EMRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS));
        cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS));
        cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS1_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1));
        cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0));
        cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1));
        cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0));
        cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1));
        cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_TIMING));
        cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS2_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS2));
        cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_2));

        memset(table, 0x00, sizeof(pp_atomctrl_mc_reg_table));

        result = atomctrl_initialize_mc_reg_table(hwmgr, module_index, table);

        if (0 == result)
                result = iceland_copy_vbios_smc_reg_table(table, ni_table);

        if (0 == result) {
                iceland_set_s0_mc_reg_index(ni_table);
                result = iceland_set_mc_special_registers(hwmgr, ni_table);
        }

        if (0 == result)
                iceland_set_valid_flag(ni_table);

        kfree(table);

        return result;
}

bool iceland_is_dpm_running(struct pp_hwmgr *hwmgr)
{
        return (1 == PHM_READ_INDIRECT_FIELD(hwmgr->device,
                        CGS_IND_REG__SMC, FEATURE_STATUS, VOLTAGE_CONTROLLER_ON))
                        ? true : false;
}