LXR linux/drivers/iio/gyro/st

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * STMicroelectronics gyroscopes driver
   4 *
   5 * Copyright 2012-2013 STMicroelectronics Inc.
   6 *
   7 * Denis Ciocca <denis.ciocca@st.com>
   8 * v. 1.0.0
   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 L3GD20H_GYRO_DEV_NAME           "l3gd20h"
  23#define L3G4IS_GYRO_DEV_NAME            "l3g4is_ui"
  24#define LSM330_GYRO_DEV_NAME            "lsm330_gyro"
  25#define LSM9DS0_GYRO_DEV_NAME           "lsm9ds0_gyro"
  26
  27/**
  28 * struct st_sensors_platform_data - gyro platform data
  29 * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
  30 */
  31static const struct st_sensors_platform_data gyro_pdata = {
  32        .drdy_int_pin = 2,
  33};
  34
  35int st_gyro_common_probe(struct iio_dev *indio_dev);
  36void st_gyro_common_remove(struct iio_dev *indio_dev);
  37
  38#ifdef CONFIG_IIO_BUFFER
  39int st_gyro_allocate_ring(struct iio_dev *indio_dev);
  40void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
  41int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
  42#define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
  43#else /* CONFIG_IIO_BUFFER */
  44static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
  45{
  46        return 0;
  47}
  48static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
  49{
  50}
  51#define ST_GYRO_TRIGGER_SET_STATE NULL
  52#endif /* CONFIG_IIO_BUFFER */
  53
  54#endif /* ST_GYRO_H */
  55