Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* AMD Platform Management Framework Interface
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*
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* Copyright (c) 2023, Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Authors: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
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* Basavaraj Natikar <Basavaraj.Natikar@amd.com>
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*/
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#ifndef AMD_PMF_IO_H
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#define AMD_PMF_IO_H
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#include <linux/types.h>
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/**
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* enum sfh_message_type - Query the SFH message type
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* @MT_HPD: Message ID to know the Human presence info from MP2 FW
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* @MT_ALS: Message ID to know the Ambient light info from MP2 FW
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* @MT_SRA: Message ID to know the SRA data from MP2 FW
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*/
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enum sfh_message_type {
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MT_HPD,
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MT_ALS,
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MT_SRA,
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};
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/**
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* enum sfh_hpd_info - Query the Human presence information
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* @SFH_NOT_DETECTED: Check the HPD connection information from MP2 FW
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* @SFH_USER_PRESENT: Check if the user is present from HPD sensor
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* @SFH_USER_AWAY: Check if the user is away from HPD sensor
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*/
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enum sfh_hpd_info {
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SFH_NOT_DETECTED,
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SFH_USER_PRESENT,
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SFH_USER_AWAY,
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};
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/**
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* struct amd_sfh_info - get HPD sensor info from MP2 FW
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* @ambient_light: Populates the ambient light information
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* @user_present: Populates the user presence information
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* @platform_type: Operating modes (clamshell, flat, tent, etc.)
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* @laptop_placement: Device states (ontable, onlap, outbag)
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*/
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struct amd_sfh_info {
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u32 ambient_light;
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u8 user_present;
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u32 platform_type;
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u32 laptop_placement;
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};
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enum laptop_placement {
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LP_UNKNOWN = 0,
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ON_TABLE,
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ON_LAP_MOTION,
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IN_BAG,
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OUT_OF_BAG,
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LP_UNDEFINED,
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};
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int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
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#endif
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