linux/include/linux/amd-pmf-io.h

/* 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 <[email protected]>
 *          Basavaraj Natikar <[email protected]>
 */

#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 { … };

/**
 * 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 { … };

/**
 * 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 { … };

int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
#endif