root/include/linux/iio/common/ssp_sensors.h

INCLUDED FROM

   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_ */