/* * Copyright 2018 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. *
*/
/* * Send a message to the SMC, and do not wait for its response. * @param smumgr the address of the powerplay hardware manager. * @param msg the message to send. * @return Always return 0.
*/ staticint vega20_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
uint16_t msg)
{ struct amdgpu_device *adev = hwmgr->adev;
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
return 0;
}
/* * Send a message to the SMC, and wait for its response. * @param hwmgr the address of the powerplay hardware manager. * @param msg the message to send. * @return Always return 0.
*/ staticint vega20_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
{ struct amdgpu_device *adev = hwmgr->adev; int ret = 0;
ret = vega20_wait_for_response(hwmgr); if (ret != PPSMC_Result_OK)
dev_err(adev->dev, "Failed to send message 0x%x, response 0x%x\n", msg, ret);
return (ret == PPSMC_Result_OK) ? 0 : -EIO;
}
/* * Send a message to the SMC with parameter * @param hwmgr: the address of the powerplay hardware manager. * @param msg: the message to send. * @param parameter: the parameter to send * @return Always return 0.
*/ staticint vega20_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
uint16_t msg, uint32_t parameter)
{ struct amdgpu_device *adev = hwmgr->adev; int ret = 0;
/* * Copy table from SMC into driver FB * @param hwmgr the address of the HW manager * @param table_id the driver's table ID to copy from
*/ staticint vega20_copy_table_from_smc(struct pp_hwmgr *hwmgr,
uint8_t *table, int16_t table_id)
{ struct vega20_smumgr *priv =
(struct vega20_smumgr *)(hwmgr->smu_backend); struct amdgpu_device *adev = hwmgr->adev; int ret = 0;
if (enable) {
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low, NULL)) == 0, "[EnableDisableSMCFeatures] Attempt to enable SMU features Low failed!", return ret);
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high, NULL)) == 0, "[EnableDisableSMCFeatures] Attempt to enable SMU features High failed!", return ret);
} else {
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low, NULL)) == 0, "[EnableDisableSMCFeatures] Attempt to disable SMU features Low failed!", return ret);
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high, NULL)) == 0, "[EnableDisableSMCFeatures] Attempt to disable SMU features High failed!", return ret);
}
return 0;
}
int vega20_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
uint64_t *features_enabled)
{
uint32_t smc_features_low, smc_features_high; int ret = 0;
if (features_enabled == NULL) return -EINVAL;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_GetEnabledSmuFeaturesLow,
&smc_features_low)) == 0, "[GetEnabledSMCFeatures] Attempt to get SMU features Low failed!", return ret);
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_GetEnabledSmuFeaturesHigh,
&smc_features_high)) == 0, "[GetEnabledSMCFeatures] Attempt to get SMU features High failed!", return ret);
staticint vega20_set_tools_address(struct pp_hwmgr *hwmgr)
{ struct vega20_smumgr *priv =
(struct vega20_smumgr *)(hwmgr->smu_backend); int ret = 0;
if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr) {
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrHigh,
upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
NULL); if (!ret)
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrLow,
lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
NULL);
}
return ret;
}
int vega20_set_pptable_driver_address(struct pp_hwmgr *hwmgr)
{ struct vega20_smumgr *priv =
(struct vega20_smumgr *)(hwmgr->smu_backend); int ret = 0;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
upper_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr),
NULL)) == 0, "[SetPPtabeDriverAddress] Attempt to Set Dram Addr High Failed!", return ret);
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
lower_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr),
NULL)) == 0, "[SetPPtabeDriverAddress] Attempt to Set Dram Addr Low Failed!", return ret);
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