/* 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 */ enum sfh_message_type { MT_HPD, MT_ALS, }; /** * 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 */ struct amd_sfh_info { u32 ambient_light; u8 user_present; }; int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op); #endif