| /* |
| * 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 rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #include "hwmgr.h" |
| #include "smumgr.h" |
| #include "polaris10_hwmgr.h" |
| #include "polaris10_powertune.h" |
| #include "polaris10_smumgr.h" |
| #include "smu74_discrete.h" |
| #include "pp_debug.h" |
| |
| #define VOLTAGE_SCALE 4 |
| #define POWERTUNE_DEFAULT_SET_MAX 1 |
| |
| static const struct polaris10_pt_defaults polaris10_power_tune_data_set_array[POWERTUNE_DEFAULT_SET_MAX] = { |
| /* 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 } }, |
| }; |
| |
| void polaris10_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *polaris10_hwmgr = (struct polaris10_hwmgr *)(hwmgr->backend); |
| struct phm_ppt_v1_information *table_info = |
| (struct phm_ppt_v1_information *)(hwmgr->pptable); |
| |
| if (table_info && |
| table_info->cac_dtp_table->usPowerTuneDataSetID <= POWERTUNE_DEFAULT_SET_MAX && |
| table_info->cac_dtp_table->usPowerTuneDataSetID) |
| polaris10_hwmgr->power_tune_defaults = |
| &polaris10_power_tune_data_set_array |
| [table_info->cac_dtp_table->usPowerTuneDataSetID - 1]; |
| else |
| polaris10_hwmgr->power_tune_defaults = &polaris10_power_tune_data_set_array[0]; |
| |
| } |
| |
| static uint16_t scale_fan_gain_settings(uint16_t raw_setting) |
| { |
| uint32_t tmp; |
| tmp = raw_setting * 4096 / 100; |
| return (uint16_t)tmp; |
| } |
| |
| int polaris10_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| const struct polaris10_pt_defaults *defaults = data->power_tune_defaults; |
| SMU74_Discrete_DpmTable *dpm_table = &(data->smc_state_table); |
| struct phm_ppt_v1_information *table_info = |
| (struct phm_ppt_v1_information *)(hwmgr->pptable); |
| struct phm_cac_tdp_table *cac_dtp_table = table_info->cac_dtp_table; |
| struct pp_advance_fan_control_parameters *fan_table= |
| &hwmgr->thermal_controller.advanceFanControlParameters; |
| int i, j, k; |
| const uint16_t *pdef1; |
| const uint16_t *pdef2; |
| |
| dpm_table->DefaultTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usTDP * 128)); |
| dpm_table->TargetTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usTDP * 128)); |
| |
| PP_ASSERT_WITH_CODE(cac_dtp_table->usTargetOperatingTemp <= 255, |
| "Target Operating Temp is out of Range!", |
| ); |
| |
| dpm_table->TemperatureLimitEdge = PP_HOST_TO_SMC_US( |
| cac_dtp_table->usTargetOperatingTemp * 256); |
| dpm_table->TemperatureLimitHotspot = PP_HOST_TO_SMC_US( |
| cac_dtp_table->usTemperatureLimitHotspot * 256); |
| dpm_table->FanGainEdge = PP_HOST_TO_SMC_US( |
| scale_fan_gain_settings(fan_table->usFanGainEdge)); |
| dpm_table->FanGainHotspot = PP_HOST_TO_SMC_US( |
| scale_fan_gain_settings(fan_table->usFanGainHotspot)); |
| |
| pdef1 = defaults->BAPMTI_R; |
| pdef2 = defaults->BAPMTI_RC; |
| |
| for (i = 0; i < SMU74_DTE_ITERATIONS; i++) { |
| for (j = 0; j < SMU74_DTE_SOURCES; j++) { |
| for (k = 0; k < SMU74_DTE_SINKS; k++) { |
| dpm_table->BAPMTI_R[i][j][k] = PP_HOST_TO_SMC_US(*pdef1); |
| dpm_table->BAPMTI_RC[i][j][k] = PP_HOST_TO_SMC_US(*pdef2); |
| pdef1++; |
| pdef2++; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int polaris10_populate_svi_load_line(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| const struct polaris10_pt_defaults *defaults = data->power_tune_defaults; |
| |
| data->power_tune_table.SviLoadLineEn = defaults->SviLoadLineEn; |
| data->power_tune_table.SviLoadLineVddC = defaults->SviLoadLineVddC; |
| data->power_tune_table.SviLoadLineTrimVddC = 3; |
| data->power_tune_table.SviLoadLineOffsetVddC = 0; |
| |
| return 0; |
| } |
| |
| static int polaris10_populate_tdc_limit(struct pp_hwmgr *hwmgr) |
| { |
| uint16_t tdc_limit; |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| struct phm_ppt_v1_information *table_info = |
| (struct phm_ppt_v1_information *)(hwmgr->pptable); |
| const struct polaris10_pt_defaults *defaults = data->power_tune_defaults; |
| |
| tdc_limit = (uint16_t)(table_info->cac_dtp_table->usTDC * 128); |
| data->power_tune_table.TDC_VDDC_PkgLimit = |
| CONVERT_FROM_HOST_TO_SMC_US(tdc_limit); |
| data->power_tune_table.TDC_VDDC_ThrottleReleaseLimitPerc = |
| defaults->TDC_VDDC_ThrottleReleaseLimitPerc; |
| data->power_tune_table.TDC_MAWt = defaults->TDC_MAWt; |
| |
| return 0; |
| } |
| |
| static int polaris10_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| const struct polaris10_pt_defaults *defaults = data->power_tune_defaults; |
| uint32_t temp; |
| |
| if (polaris10_read_smc_sram_dword(hwmgr->smumgr, |
| fuse_table_offset + |
| offsetof(SMU74_Discrete_PmFuses, TdcWaterfallCtl), |
| (uint32_t *)&temp, data->sram_end)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!", |
| return -EINVAL); |
| else { |
| data->power_tune_table.TdcWaterfallCtl = defaults->TdcWaterfallCtl; |
| data->power_tune_table.LPMLTemperatureMin = |
| (uint8_t)((temp >> 16) & 0xff); |
| data->power_tune_table.LPMLTemperatureMax = |
| (uint8_t)((temp >> 8) & 0xff); |
| data->power_tune_table.Reserved = (uint8_t)(temp & 0xff); |
| } |
| return 0; |
| } |
| |
| static int polaris10_populate_temperature_scaler(struct pp_hwmgr *hwmgr) |
| { |
| int i; |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| |
| /* Currently not used. Set all to zero. */ |
| for (i = 0; i < 16; i++) |
| data->power_tune_table.LPMLTemperatureScaler[i] = 0; |
| |
| return 0; |
| } |
| |
| static int polaris10_populate_fuzzy_fan(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| |
| if ((hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity & (1 << 15)) |
| || 0 == hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity) |
| hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity = |
| hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity; |
| |
| data->power_tune_table.FuzzyFan_PwmSetDelta = PP_HOST_TO_SMC_US( |
| hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity); |
| return 0; |
| } |
| |
| static int polaris10_populate_gnb_lpml(struct pp_hwmgr *hwmgr) |
| { |
| int i; |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| |
| /* Currently not used. Set all to zero. */ |
| for (i = 0; i < 16; i++) |
| data->power_tune_table.GnbLPML[i] = 0; |
| |
| return 0; |
| } |
| |
| static int polaris10_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr) |
| { |
| return 0; |
| } |
| |
| static int polaris10_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| struct phm_ppt_v1_information *table_info = |
| (struct phm_ppt_v1_information *)(hwmgr->pptable); |
| uint16_t hi_sidd = data->power_tune_table.BapmVddCBaseLeakageHiSidd; |
| uint16_t lo_sidd = data->power_tune_table.BapmVddCBaseLeakageLoSidd; |
| struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table; |
| |
| hi_sidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256); |
| lo_sidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256); |
| |
| data->power_tune_table.BapmVddCBaseLeakageHiSidd = |
| CONVERT_FROM_HOST_TO_SMC_US(hi_sidd); |
| data->power_tune_table.BapmVddCBaseLeakageLoSidd = |
| CONVERT_FROM_HOST_TO_SMC_US(lo_sidd); |
| |
| return 0; |
| } |
| |
| int polaris10_populate_pm_fuses(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| uint32_t pm_fuse_table_offset; |
| |
| if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
| PHM_PlatformCaps_PowerContainment)) { |
| if (polaris10_read_smc_sram_dword(hwmgr->smumgr, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU74_Firmware_Header, PmFuseTable), |
| &pm_fuse_table_offset, data->sram_end)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to get pm_fuse_table_offset Failed!", |
| return -EINVAL); |
| |
| if (polaris10_populate_svi_load_line(hwmgr)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to populate SviLoadLine Failed!", |
| return -EINVAL); |
| |
| if (polaris10_populate_tdc_limit(hwmgr)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to populate TDCLimit Failed!", return -EINVAL); |
| |
| if (polaris10_populate_dw8(hwmgr, pm_fuse_table_offset)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to populate TdcWaterfallCtl, " |
| "LPMLTemperature Min and Max Failed!", |
| return -EINVAL); |
| |
| if (0 != polaris10_populate_temperature_scaler(hwmgr)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to populate LPMLTemperatureScaler Failed!", |
| return -EINVAL); |
| |
| if (polaris10_populate_fuzzy_fan(hwmgr)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to populate Fuzzy Fan Control parameters Failed!", |
| return -EINVAL); |
| |
| if (polaris10_populate_gnb_lpml(hwmgr)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to populate GnbLPML Failed!", |
| return -EINVAL); |
| |
| if (polaris10_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); |
| |
| if (polaris10_populate_bapm_vddc_base_leakage_sidd(hwmgr)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to populate BapmVddCBaseLeakage Hi and Lo " |
| "Sidd Failed!", return -EINVAL); |
| |
| if (polaris10_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset, |
| (uint8_t *)&data->power_tune_table, |
| (sizeof(struct SMU74_Discrete_PmFuses) - 92), data->sram_end)) |
| PP_ASSERT_WITH_CODE(false, |
| "Attempt to download PmFuseTable Failed!", |
| return -EINVAL); |
| } |
| return 0; |
| } |
| |
| int polaris10_enable_smc_cac(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| int result = 0; |
| |
| if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
| PHM_PlatformCaps_CAC)) { |
| int smc_result; |
| smc_result = smum_send_msg_to_smc(hwmgr->smumgr, |
| (uint16_t)(PPSMC_MSG_EnableCac)); |
| PP_ASSERT_WITH_CODE((0 == smc_result), |
| "Failed to enable CAC in SMC.", result = -1); |
| |
| data->cac_enabled = (0 == smc_result) ? true : false; |
| } |
| return result; |
| } |
| |
| int polaris10_disable_smc_cac(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| int result = 0; |
| |
| if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
| PHM_PlatformCaps_CAC) && data->cac_enabled) { |
| int smc_result = smum_send_msg_to_smc(hwmgr->smumgr, |
| (uint16_t)(PPSMC_MSG_DisableCac)); |
| PP_ASSERT_WITH_CODE((smc_result == 0), |
| "Failed to disable CAC in SMC.", result = -1); |
| |
| data->cac_enabled = false; |
| } |
| return result; |
| } |
| |
| int polaris10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| |
| if (data->power_containment_features & |
| POWERCONTAINMENT_FEATURE_PkgPwrLimit) |
| return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, |
| PPSMC_MSG_PkgPwrSetLimit, n); |
| return 0; |
| } |
| |
| static int polaris10_set_overdriver_target_tdp(struct pp_hwmgr *pHwMgr, uint32_t target_tdp) |
| { |
| return smum_send_msg_to_smc_with_parameter(pHwMgr->smumgr, |
| PPSMC_MSG_OverDriveSetTargetTdp, target_tdp); |
| } |
| |
| int polaris10_enable_power_containment(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| struct phm_ppt_v1_information *table_info = |
| (struct phm_ppt_v1_information *)(hwmgr->pptable); |
| int smc_result; |
| int result = 0; |
| |
| data->power_containment_features = 0; |
| if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
| PHM_PlatformCaps_PowerContainment)) { |
| |
| if (data->enable_tdc_limit_feature) { |
| smc_result = smum_send_msg_to_smc(hwmgr->smumgr, |
| (uint16_t)(PPSMC_MSG_TDCLimitEnable)); |
| PP_ASSERT_WITH_CODE((0 == smc_result), |
| "Failed to enable TDCLimit in SMC.", result = -1;); |
| if (0 == smc_result) |
| data->power_containment_features |= |
| POWERCONTAINMENT_FEATURE_TDCLimit; |
| } |
| |
| if (data->enable_pkg_pwr_tracking_feature) { |
| smc_result = smum_send_msg_to_smc(hwmgr->smumgr, |
| (uint16_t)(PPSMC_MSG_PkgPwrLimitEnable)); |
| PP_ASSERT_WITH_CODE((0 == smc_result), |
| "Failed to enable PkgPwrTracking in SMC.", result = -1;); |
| if (0 == smc_result) { |
| struct phm_cac_tdp_table *cac_table = |
| table_info->cac_dtp_table; |
| uint32_t default_limit = |
| (uint32_t)(cac_table->usMaximumPowerDeliveryLimit * 256); |
| |
| data->power_containment_features |= |
| POWERCONTAINMENT_FEATURE_PkgPwrLimit; |
| |
| if (polaris10_set_power_limit(hwmgr, default_limit)) |
| printk(KERN_ERR "Failed to set Default Power Limit in SMC!"); |
| } |
| } |
| } |
| return result; |
| } |
| |
| int polaris10_disable_power_containment(struct pp_hwmgr *hwmgr) |
| { |
| struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); |
| int result = 0; |
| |
| if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
| PHM_PlatformCaps_PowerContainment) && |
| data->power_containment_features) { |
| int smc_result; |
| |
| if (data->power_containment_features & |
| POWERCONTAINMENT_FEATURE_TDCLimit) { |
| smc_result = smum_send_msg_to_smc(hwmgr->smumgr, |
| (uint16_t)(PPSMC_MSG_TDCLimitDisable)); |
| PP_ASSERT_WITH_CODE((smc_result == 0), |
| "Failed to disable TDCLimit in SMC.", |
| result = smc_result); |
| } |
| |
| if (data->power_containment_features & |
| POWERCONTAINMENT_FEATURE_DTE) { |
| smc_result = smum_send_msg_to_smc(hwmgr->smumgr, |
| (uint16_t)(PPSMC_MSG_DisableDTE)); |
| PP_ASSERT_WITH_CODE((smc_result == 0), |
| "Failed to disable DTE in SMC.", |
| result = smc_result); |
| } |
| |
| if (data->power_containment_features & |
| POWERCONTAINMENT_FEATURE_PkgPwrLimit) { |
| smc_result = smum_send_msg_to_smc(hwmgr->smumgr, |
| (uint16_t)(PPSMC_MSG_PkgPwrLimitDisable)); |
| PP_ASSERT_WITH_CODE((smc_result == 0), |
| "Failed to disable PkgPwrTracking in SMC.", |
| result = smc_result); |
| } |
| data->power_containment_features = 0; |
| } |
| |
| return result; |
| } |
| |
| int polaris10_power_control_set_level(struct pp_hwmgr *hwmgr) |
| { |
| struct phm_ppt_v1_information *table_info = |
| (struct phm_ppt_v1_information *)(hwmgr->pptable); |
| struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table; |
| int adjust_percent, target_tdp; |
| int result = 0; |
| |
| if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
| PHM_PlatformCaps_PowerContainment)) { |
| /* adjustment percentage has already been validated */ |
| adjust_percent = hwmgr->platform_descriptor.TDPAdjustmentPolarity ? |
| hwmgr->platform_descriptor.TDPAdjustment : |
| (-1 * hwmgr->platform_descriptor.TDPAdjustment); |
| /* SMC requested that target_tdp to be 7 bit fraction in DPM table |
| * but message to be 8 bit fraction for messages |
| */ |
| target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100; |
| result = polaris10_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp); |
| } |
| |
| return result; |
| } |