LXR linux/drivers/iio/gyro/st

   1/*
   2 * STMicroelectronics gyroscopes driver
   3 *
   4 * Copyright 2012-2013 STMicroelectronics Inc.
   5 *
   6 * Denis Ciocca <denis.ciocca@st.com>
   7 * v. 1.0.0
   8 * Licensed under the GPL-2.
   9 */
  10
  11#ifndef ST_GYRO_H
  12#define ST_GYRO_H
  13
  14#include <linux/types.h>
  15#include <linux/iio/common/st_sensors.h>
  16
  17#define L3G4200D_GYRO_DEV_NAME          "l3g4200d"
  18#define LSM330D_GYRO_DEV_NAME           "lsm330d_gyro"
  19#define LSM330DL_GYRO_DEV_NAME          "lsm330dl_gyro"
  20#define LSM330DLC_GYRO_DEV_NAME         "lsm330dlc_gyro"
  21#define L3GD20_GYRO_DEV_NAME            "l3gd20"
  22#define L3G4IS_GYRO_DEV_NAME            "l3g4is_ui"
  23#define LSM330_GYRO_DEV_NAME            "lsm330_gyro"
  24
  25/**
  26 * struct st_sensors_platform_data - gyro platform data
  27 * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
  28 */
  29static const struct st_sensors_platform_data gyro_pdata = {
  30        .drdy_int_pin = 2,
  31};
  32
  33int st_gyro_common_probe(struct iio_dev *indio_dev);
  34void st_gyro_common_remove(struct iio_dev *indio_dev);
  35
  36#ifdef CONFIG_IIO_BUFFER
  37int st_gyro_allocate_ring(struct iio_dev *indio_dev);
  38void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
  39int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
  40#define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
  41#else /* CONFIG_IIO_BUFFER */
  42static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
  43{
  44        return 0;
  45}
  46static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
  47{
  48}
  49#define ST_GYRO_TRIGGER_SET_STATE NULL
  50#endif /* CONFIG_IIO_BUFFER */
  51
  52#endif /* ST_GYRO_H */
  53