/* 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;
};
