[linux-2.6-block.git] / 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 <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
Commit	Line	Data
b5b0774d BN	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/*
	3	* AMD Platform Management Framework Interface
	4	*
	5	* Copyright (c) 2023, Advanced Micro Devices, Inc.
	6	* All Rights Reserved.
	7	*
	8	* Authors: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
	9	* Basavaraj Natikar <Basavaraj.Natikar@amd.com>
	10	*/
	11
	12	#ifndef AMD_PMF_IO_H
	13	#define AMD_PMF_IO_H
	14
	15	#include <linux/types.h>
	16
	17	/**
	18	* enum sfh_message_type - Query the SFH message type
	19	* @MT_HPD: Message ID to know the Human presence info from MP2 FW
584f35a3	20	* @MT_ALS: Message ID to know the Ambient light info from MP2 FW
b5b0774d BN	21	*/
	22	enum sfh_message_type {
	23	MT_HPD,
584f35a3	24	MT_ALS,
b5b0774d BN	25	};
	26
	27	/**
	28	* enum sfh_hpd_info - Query the Human presence information
	29	* @SFH_NOT_DETECTED: Check the HPD connection information from MP2 FW
	30	* @SFH_USER_PRESENT: Check if the user is present from HPD sensor
	31	* @SFH_USER_AWAY: Check if the user is away from HPD sensor
	32	*/
	33	enum sfh_hpd_info {
	34	SFH_NOT_DETECTED,
	35	SFH_USER_PRESENT,
	36	SFH_USER_AWAY,
	37	};
	38
	39	/**
	40	* struct amd_sfh_info - get HPD sensor info from MP2 FW
584f35a3	41	* @ambient_light: Populates the ambient light information
b5b0774d BN	42	* @user_present: Populates the user presence information
	43	*/
	44	struct amd_sfh_info {
584f35a3	45	u32 ambient_light;
b5b0774d BN	46	u8 user_present;
	47	};
	48
	49	int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
	50	#endif