include/linux/iio/common/ssp_sensors.h

   1 /*
   2  *  Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved.
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  */
  15 #ifndef _SSP_SENSORS_H_
  16 #define _SSP_SENSORS_H_
  17
  18 #include <linux/iio/iio.h>
  19
  20 #define SSP_TIME_SIZE                           4
  21 #define SSP_ACCELEROMETER_SIZE                  6
  22 #define SSP_GYROSCOPE_SIZE                      6
  23 #define SSP_BIO_HRM_RAW_SIZE                    8
  24 #define SSP_BIO_HRM_RAW_FAC_SIZE                36
  25 #define SSP_BIO_HRM_LIB_SIZE                    8
  26
  27 /**
  28  * enum ssp_sensor_type - SSP sensor type
  29  */
  30 enum ssp_sensor_type {
  31         SSP_ACCELEROMETER_SENSOR = 0,
  32         SSP_GYROSCOPE_SENSOR,
  33         SSP_GEOMAGNETIC_UNCALIB_SENSOR,
  34         SSP_GEOMAGNETIC_RAW,
  35         SSP_GEOMAGNETIC_SENSOR,
  36         SSP_PRESSURE_SENSOR,
  37         SSP_GESTURE_SENSOR,
  38         SSP_PROXIMITY_SENSOR,
  39         SSP_TEMPERATURE_HUMIDITY_SENSOR,
  40         SSP_LIGHT_SENSOR,
  41         SSP_PROXIMITY_RAW,
  42         SSP_ORIENTATION_SENSOR,
  43         SSP_STEP_DETECTOR,
  44         SSP_SIG_MOTION_SENSOR,
  45         SSP_GYRO_UNCALIB_SENSOR,
  46         SSP_GAME_ROTATION_VECTOR,
  47         SSP_ROTATION_VECTOR,
  48         SSP_STEP_COUNTER,
  49         SSP_BIO_HRM_RAW,
  50         SSP_BIO_HRM_RAW_FAC,
  51         SSP_BIO_HRM_LIB,
  52         SSP_SENSOR_MAX,
  53 };
  54
  55 struct ssp_data;
  56
  57 /**
  58  * struct ssp_sensor_data - Sensor object
  59  * @process_data:       Callback to feed sensor data.
  60  * @type:               Used sensor type.
  61  * @buffer:             Received data buffer.
  62  */
  63 struct ssp_sensor_data {
  64         int (*process_data)(struct iio_dev *indio_dev, void *buf,
  65                             int64_t timestamp);
  66         enum ssp_sensor_type type;
  67         u8 *buffer;
  68 };
  69
  70 void ssp_register_consumer(struct iio_dev *indio_dev,
  71                            enum ssp_sensor_type type);
  72
  73 int ssp_enable_sensor(struct ssp_data *data, enum ssp_sensor_type type,
  74                       u32 delay);
  75
  76 int ssp_disable_sensor(struct ssp_data *data, enum ssp_sensor_type type);
  77
  78 u32 ssp_get_sensor_delay(struct ssp_data *data, enum ssp_sensor_type);
  79
  80 int ssp_change_delay(struct ssp_data *data, enum ssp_sensor_type type,
  81                      u32 delay);
  82 #endif /* _SSP_SENSORS_H_ */