51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/* 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
|