47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* AMD Platform Management Framework Driver
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*
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* Copyright (c) 2022, Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Author: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
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*/
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#ifndef PMF_H
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#define PMF_H
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/* Message Definitions */
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#define SET_SPL 0x03 /* SPL: Sustained Power Limit */
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#define SET_SPPT 0x05 /* SPPT: Slow Package Power Tracking */
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#define SET_FPPT 0x07 /* FPPT: Fast Package Power Tracking */
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#define GET_SPL 0x0B
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#define GET_SPPT 0x0D
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#define GET_FPPT 0x0F
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#define SET_DRAM_ADDR_HIGH 0x14
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#define SET_DRAM_ADDR_LOW 0x15
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#define SET_TRANSFER_TABLE 0x16
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#define SET_STT_MIN_LIMIT 0x18 /* STT: Skin Temperature Tracking */
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#define SET_STT_LIMIT_APU 0x19
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#define SET_STT_LIMIT_HS2 0x1A
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#define SET_SPPT_APU_ONLY 0x1D
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#define GET_SPPT_APU_ONLY 0x1E
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#define GET_STT_MIN_LIMIT 0x1F
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#define GET_STT_LIMIT_APU 0x20
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#define GET_STT_LIMIT_HS2 0x21
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struct amd_pmf_dev {
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void __iomem *regbase;
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void __iomem *smu_virt_addr;
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void *buf;
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u32 base_addr;
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u32 cpu_id;
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struct device *dev;
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struct mutex lock; /* protects the PMF interface */
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};
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/* Core Layer */
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int amd_pmf_send_cmd(struct amd_pmf_dev *dev, u8 message, bool get, u32 arg, u32 *data);
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#endif /* PMF_H */
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