LXR linux/drivers/iio/magnetometer/st

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * STMicroelectronics magnetometers 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_MAGN_H
  12#define ST_MAGN_H
  13
  14#include <linux/types.h>
  15#include <linux/iio/common/st_sensors.h>
  16
  17#define LSM303DLH_MAGN_DEV_NAME         "lsm303dlh_magn"
  18#define LSM303DLHC_MAGN_DEV_NAME        "lsm303dlhc_magn"
  19#define LSM303DLM_MAGN_DEV_NAME         "lsm303dlm_magn"
  20#define LIS3MDL_MAGN_DEV_NAME           "lis3mdl"
  21#define LSM303AGR_MAGN_DEV_NAME         "lsm303agr_magn"
  22#define LIS2MDL_MAGN_DEV_NAME           "lis2mdl"
  23#define LSM9DS1_MAGN_DEV_NAME           "lsm9ds1_magn"
  24
  25int st_magn_common_probe(struct iio_dev *indio_dev);
  26void st_magn_common_remove(struct iio_dev *indio_dev);
  27
  28#ifdef CONFIG_IIO_BUFFER
  29int st_magn_allocate_ring(struct iio_dev *indio_dev);
  30void st_magn_deallocate_ring(struct iio_dev *indio_dev);
  31int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
  32#define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
  33#else /* CONFIG_IIO_BUFFER */
  34static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
  35{
  36        return 0;
  37}
  38static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
  39{
  40        return;
  41}
  42static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
  43{
  44        return 0;
  45}
  46static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
  47{
  48}
  49#define ST_MAGN_TRIGGER_SET_STATE NULL
  50#endif /* CONFIG_IIO_BUFFER */
  51
  52#endif /* ST_MAGN_H */
  53