| /* 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 |
| * @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 |
