/* 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,
};
int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
#endif
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-09-28)
¤
*© Formatika GbR, Deutschland