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118222e20d
The PMF driver retrieves NPU metrics data from the PMFW. Introduce a new interface to make NPU metrics accessible to other drivers like AMDXDNA driver, which can access and utilize this information as needed. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com> Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> [lizhi: save return value of is_npu_metrics_supported() and return it] Signed-off-by: Lizhi Hou <lizhi.hou@amd.com> Link: https://patch.msgid.link/20260115173448.403826-1-lizhi.hou@amd.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* AMD Platform Management Framework Interface
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*
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* Copyright (c) 2023, Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Authors: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
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* Basavaraj Natikar <Basavaraj.Natikar@amd.com>
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*/
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#ifndef AMD_PMF_IO_H
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#define AMD_PMF_IO_H
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#include <linux/types.h>
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/**
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* enum sfh_message_type - Query the SFH message type
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* @MT_HPD: Message ID to know the Human presence info from MP2 FW
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* @MT_ALS: Message ID to know the Ambient light info from MP2 FW
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* @MT_SRA: Message ID to know the SRA data from MP2 FW
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*/
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enum sfh_message_type {
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MT_HPD,
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MT_ALS,
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MT_SRA,
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};
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/**
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* enum sfh_hpd_info - Query the Human presence information
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* @SFH_NOT_DETECTED: Check the HPD connection information from MP2 FW
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* @SFH_USER_PRESENT: Check if the user is present from HPD sensor
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* @SFH_USER_AWAY: Check if the user is away from HPD sensor
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*/
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enum sfh_hpd_info {
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SFH_NOT_DETECTED,
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SFH_USER_PRESENT,
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SFH_USER_AWAY,
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};
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/**
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* struct amd_sfh_info - get HPD sensor info from MP2 FW
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* @ambient_light: Populates the ambient light information
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* @user_present: Populates the user presence information
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* @platform_type: Operating modes (clamshell, flat, tent, etc.)
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* @laptop_placement: Device states (ontable, onlap, outbag)
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*/
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struct amd_sfh_info {
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u32 ambient_light;
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u8 user_present;
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u32 platform_type;
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u32 laptop_placement;
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};
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enum laptop_placement {
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LP_UNKNOWN = 0,
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ON_TABLE,
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ON_LAP_MOTION,
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IN_BAG,
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OUT_OF_BAG,
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LP_UNDEFINED,
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};
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/**
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* struct amd_pmf_npu_metrics: Get NPU metrics data from PMF driver
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* @npuclk_freq: NPU clock frequency [MHz]
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* @npu_busy: NPU busy % [0-100]
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* @npu_power: NPU power [mW]
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* @mpnpuclk_freq: MPNPU [MHz]
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* @npu_reads: NPU read bandwidth [MB/sec]
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* @npu_writes: NPU write bandwidth [MB/sec]
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*/
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struct amd_pmf_npu_metrics {
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u16 npuclk_freq;
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u16 npu_busy[8];
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u16 npu_power;
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u16 mpnpuclk_freq;
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u16 npu_reads;
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u16 npu_writes;
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};
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int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
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/* AMD PMF and NPU interface */
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int amd_pmf_get_npu_data(struct amd_pmf_npu_metrics *info);
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#endif
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