kernel_samsung_a34x-permissive/drivers/sensorhub/sensor/magnetometer.h
2024-04-28 15:51:13 +02:00

97 lines
2.2 KiB
C

/*
* Copyright (C) 2020, Samsung Electronics Co. Ltd. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __SHUB_MAGNETOMETER_H_
#define __SHUB_MAGNETOMETER_H_
#include <linux/device.h>
#define MAG_EVENT_SIZE_4BYTE_VERSION 2
struct mag_event {
s32 x;
s32 y;
s32 z;
u8 accuracy;
} __attribute__((__packed__));
struct uncal_mag_event {
s32 uncal_x;
s32 uncal_y;
s32 uncal_z;
s32 offset_x;
s32 offset_y;
s32 offset_z;
} __attribute__((__packed__));
struct mag_power_event {
s16 x;
s16 y;
s16 z;
} __attribute__((__packed__));
struct magnetometer_data {
int position;
void *cal_data;
int cal_data_len;
u8 *cover_matrix;
u8 *mag_matrix;
int mag_matrix_len;
};
struct sensor_chipset_init_funcs *get_magnetic_ak09918c_function_pointer(char *name);
struct sensor_chipset_init_funcs *get_magnetic_mmc5633_function_pointer(char *name);
struct sensor_chipset_init_funcs *get_magnetic_yas539_function_pointer(char *name);
struct sensor_chipset_init_funcs *get_magnetic_mxg4300s_function_pointer(char *name);
int set_mag_matrix(struct magnetometer_data *data);
int set_mag_cover_matrix(struct magnetometer_data *data);
/* magnetometer calibration data */
struct calibration_data_ak09918c {
u8 accuracy;
s16 offset_x;
s16 offset_y;
s16 offset_z;
s16 flucv_x;
s16 flucv_y;
s16 flucv_z;
} __attribute__((__packed__));
struct calibration_data_mmc5633 {
s32 offset_x;
s32 offset_y;
s32 offset_z;
s32 radius;
} __attribute__((__packed__));
struct calibration_data_yas539 {
s16 offset_x;
s16 offset_y;
s16 offset_z;
u8 accuracy;
} __attribute__((__packed__));
struct calibration_data_mxg4300s {
s32 offset_x;
s32 offset_y;
s32 offset_z;
s32 radius;
u8 accuracy;
} __attribute__((__packed__));
#endif /* __SHUB_MAGNETOMETER_H_ */