amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * HID report descriptors, structures and routines
0004  * Copyright 2020-2021 Advanced Micro Devices, Inc.
0005  * Authors: Nehal Bakulchandra Shah <Nehal-bakulchandra.shah@amd.com>
0006  *      Sandeep Singh <Sandeep.singh@amd.com>
0007  *      Basavaraj Natikar <Basavaraj.Natikar@amd.com>
0008  */
0009
0010 #ifndef AMD_SFH_HID_DESCRIPTOR_H
0011 #define AMD_SFH_HID_DESCRIPTOR_H
0012
0013 enum desc_type {
0014     /* Report descriptor name */
0015     descr_size = 1,
0016     input_size,
0017     feature_size,
0018 };
0019
0020 struct common_feature_property {
0021     /* common properties */
0022     u8 report_id;
0023     u8 connection_type;
0024     u8 report_state;
0025     u8 power_state;
0026     u8 sensor_state;
0027     u32 report_interval;
0028 } __packed;
0029
0030 struct common_input_property {
0031     /* common properties */
0032     u8 report_id;
0033     u8 sensor_state;
0034     u8 event_type;
0035 } __packed;
0036
0037 struct accel3_feature_report {
0038     struct common_feature_property common_property;
0039     /* properties specific to this sensor */
0040     u16 accel_change_sesnitivity;
0041     s16 accel_sensitivity_max;
0042     s16 accel_sensitivity_min;
0043 } __packed;
0044
0045 struct accel3_input_report {
0046     struct  common_input_property common_property;
0047     /* values specific to this sensor */
0048     int in_accel_x_value;
0049     int in_accel_y_value;
0050     int in_accel_z_value;
0051     /* include if required to support the "shake" event */
0052     u8 in_accel_shake_detection;
0053 } __packed;
0054
0055 struct gyro_feature_report {
0056     struct common_feature_property common_property;
0057     /* properties specific to this sensor */
0058     u16 gyro_change_sesnitivity;
0059     s16 gyro_sensitivity_max;
0060     s16 gyro_sensitivity_min;
0061 } __packed;
0062
0063 struct gyro_input_report {
0064     struct  common_input_property common_property;
0065     /* values specific to this sensor */
0066     int in_angel_x_value;
0067     int in_angel_y_value;
0068     int in_angel_z_value;
0069 } __packed;
0070
0071 struct magno_feature_report {
0072     struct common_feature_property common_property;
0073     /*properties specific to this sensor */
0074     u16 magno_headingchange_sensitivity;
0075     s16 heading_min;
0076     s16 heading_max;
0077     u16 flux_change_sensitivity;
0078     s16 flux_min;
0079     s16 flux_max;
0080 } __packed;
0081
0082 struct magno_input_report {
0083     struct  common_input_property common_property;
0084     int in_magno_x;
0085     int in_magno_y;
0086     int in_magno_z;
0087     int in_magno_accuracy;
0088 } __packed;
0089
0090 struct als_feature_report {
0091     struct common_feature_property common_property;
0092     /* properties specific to this sensor */
0093     u16 als_change_sesnitivity;
0094     s16 als_sensitivity_max;
0095     s16 als_sensitivity_min;
0096 } __packed;
0097
0098 struct als_input_report {
0099     struct common_input_property common_property;
0100     /* values specific to this sensor */
0101     int illuminance_value;
0102 } __packed;
0103
0104 struct hpd_feature_report {
0105     struct common_feature_property common_property;
0106 } __packed;
0107
0108 struct hpd_input_report {
0109     struct common_input_property common_property;
0110      /* values specific to human presence sensor */
0111     u8 human_presence;
0112 } __packed;
0113
0114 #endif