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/* SPDX-License-Identifier: GPL-2.0 */
/*
* AMD Platform Management Framework Interface
*
* Copyright (c) 2023, Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Authors: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
* Basavaraj Natikar <Basavaraj.Natikar@amd.com>
*/
#ifndef AMD_PMF_IO_H
#define AMD_PMF_IO_H
#include <linux/types.h>
/**
* enum sfh_message_type - Query the SFH message type
* @MT_HPD: Message ID to know the Human presence info from MP2 FW
* @MT_ALS: Message ID to know the Ambient light info from MP2 FW
* @MT_SRA: Message ID to know the SRA data from MP2 FW
*/
enum sfh_message_type {
MT_HPD,
MT_ALS,
MT_SRA,
};
/**
* enum sfh_hpd_info - Query the Human presence information
* @SFH_NOT_DETECTED: Check the HPD connection information from MP2 FW
* @SFH_USER_PRESENT: Check if the user is present from HPD sensor
* @SFH_USER_AWAY: Check if the user is away from HPD sensor
*/
enum sfh_hpd_info {
SFH_NOT_DETECTED,
SFH_USER_PRESENT,
SFH_USER_AWAY,
};
/**
* struct amd_sfh_info - get HPD sensor info from MP2 FW
* @ambient_light: Populates the ambient light information
* @user_present: Populates the user presence information
* @platform_type: Operating modes (clamshell, flat, tent, etc.)
* @laptop_placement: Device states (ontable, onlap, outbag)
*/
struct amd_sfh_info {
u32 ambient_light;
u8 user_present;
u32 platform_type;
u32 laptop_placement;
};
enum laptop_placement {
LP_UNKNOWN = 0,
ON_TABLE,
ON_LAP_MOTION,
IN_BAG,
OUT_OF_BAG,
LP_UNDEFINED,
};
/**
* struct amd_pmf_npu_metrics: Get NPU metrics data from PMF driver
* @npuclk_freq: NPU clock frequency [MHz]
* @npu_busy: NPU busy % [0-100]
* @npu_power: NPU power [mW]
* @mpnpuclk_freq: MPNPU [MHz]
* @npu_reads: NPU read bandwidth [MB/sec]
* @npu_writes: NPU write bandwidth [MB/sec]
*/
struct amd_pmf_npu_metrics {
u16 npuclk_freq;
u16 npu_busy[8];
u16 npu_power;
u16 mpnpuclk_freq;
u16 npu_reads;
u16 npu_writes;
};
int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
/* AMD PMF and NPU interface */
int amd_pmf_get_npu_data(struct amd_pmf_npu_metrics *info);
#endif
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