mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 10:36:55 +07:00
dc50ba7f9a
This adds dpm support for evergreen asics. This includes: - clockgating - dynamic engine clock scaling - dynamic memory clock scaling - dynamic voltage scaling - dynamic pcie gen1/gen2 switching (requires additional acpi support) Set radeon.dpm=1 to enable. v2: reduce stack usage, rename ulv struct v3: fix thermal interrupt check notices by Jerome v4: fix state enable Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* Copyright 2011 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __EVERGREEN_SMC_H__
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#define __EVERGREEN_SMC_H__
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#include "rv770_smc.h"
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#pragma pack(push, 1)
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#define SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE 16
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struct SMC_Evergreen_MCRegisterAddress
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{
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uint16_t s0;
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uint16_t s1;
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};
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typedef struct SMC_Evergreen_MCRegisterAddress SMC_Evergreen_MCRegisterAddress;
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struct SMC_Evergreen_MCRegisterSet
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{
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uint32_t value[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
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};
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typedef struct SMC_Evergreen_MCRegisterSet SMC_Evergreen_MCRegisterSet;
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struct SMC_Evergreen_MCRegisters
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{
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uint8_t last;
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uint8_t reserved[3];
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SMC_Evergreen_MCRegisterAddress address[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
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SMC_Evergreen_MCRegisterSet data[5];
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};
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typedef struct SMC_Evergreen_MCRegisters SMC_Evergreen_MCRegisters;
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#define EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION 0x100
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#define EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters 0x0
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#define EVERGREEN_SMC_FIRMWARE_HEADER_stateTable 0xC
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#define EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable 0x20
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#pragma pack(pop)
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#endif
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