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/* * 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. * */ #include "amdgpu.h" #include "soc15.h" #include "soc15_hw_ip.h" #include "vega10_ip_offset.h" #include "soc15_common.h" #include "vega10_inc.h" #include "smu9_baco.h" bool smu9_baco_get_capability(struct pp_hwmgr *hwmgr) { struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev); uint32_t reg, data; if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_BACO)) return false; WREG32(0x12074, 0xFFF0003B); data = RREG32(0x12075); if (data == 0x1) { reg = RREG32_SOC15(NBIF, 0, mmRCC_BIF_STRAP0); if (reg & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) return true; } return false; } int smu9_baco_get_state(struct pp_hwmgr *hwmgr, enum BACO_STATE *state) { struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev); uint32_t reg; reg = RREG32_SOC15(NBIF, 0, mmBACO_CNTL); if (reg & BACO_CNTL__BACO_MODE_MASK) /* gfx has already entered BACO state */ *state = BACO_STATE_IN; else *state = BACO_STATE_OUT; return 0; } |