1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved.
4 */
5 #ifndef _SSP_SENSORS_H_
6 #define _SSP_SENSORS_H_
7
8 #include <linux/iio/iio.h>
9
10 #define SSP_TIME_SIZE 4
11 #define SSP_ACCELEROMETER_SIZE 6
12 #define SSP_GYROSCOPE_SIZE 6
13 #define SSP_BIO_HRM_RAW_SIZE 8
14 #define SSP_BIO_HRM_RAW_FAC_SIZE 36
15 #define SSP_BIO_HRM_LIB_SIZE 8
16
17 /**
18 * enum ssp_sensor_type - SSP sensor type
19 */
20 enum ssp_sensor_type {
21 SSP_ACCELEROMETER_SENSOR = 0,
22 SSP_GYROSCOPE_SENSOR,
23 SSP_GEOMAGNETIC_UNCALIB_SENSOR,
24 SSP_GEOMAGNETIC_RAW,
25 SSP_GEOMAGNETIC_SENSOR,
26 SSP_PRESSURE_SENSOR,
27 SSP_GESTURE_SENSOR,
28 SSP_PROXIMITY_SENSOR,
29 SSP_TEMPERATURE_HUMIDITY_SENSOR,
30 SSP_LIGHT_SENSOR,
31 SSP_PROXIMITY_RAW,
32 SSP_ORIENTATION_SENSOR,
33 SSP_STEP_DETECTOR,
34 SSP_SIG_MOTION_SENSOR,
35 SSP_GYRO_UNCALIB_SENSOR,
36 SSP_GAME_ROTATION_VECTOR,
37 SSP_ROTATION_VECTOR,
38 SSP_STEP_COUNTER,
39 SSP_BIO_HRM_RAW,
40 SSP_BIO_HRM_RAW_FAC,
41 SSP_BIO_HRM_LIB,
42 SSP_SENSOR_MAX,
43 };
44
45 struct ssp_data;
46
47 /**
48 * struct ssp_sensor_data - Sensor object
49 * @process_data: Callback to feed sensor data.
50 * @type: Used sensor type.
51 * @buffer: Received data buffer.
52 */
53 struct ssp_sensor_data {
54 int (*process_data)(struct iio_dev *indio_dev, void *buf,
55 int64_t timestamp);
56 enum ssp_sensor_type type;
57 u8 *buffer;
58 };
59
60 void ssp_register_consumer(struct iio_dev *indio_dev,
61 enum ssp_sensor_type type);
62
63 int ssp_enable_sensor(struct ssp_data *data, enum ssp_sensor_type type,
64 u32 delay);
65
66 int ssp_disable_sensor(struct ssp_data *data, enum ssp_sensor_type type);
67
68 u32 ssp_get_sensor_delay(struct ssp_data *data, enum ssp_sensor_type);
69
70 int ssp_change_delay(struct ssp_data *data, enum ssp_sensor_type type,
71 u32 delay);
72 #endif /* _SSP_SENSORS_H_ */
73
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