root/drivers/iio/gyro/st_gyro.h

INCLUDED FROM

DEFINITIONS

1. st_gyro_allocate_ring
2. st_gyro_deallocate_ring

   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  */
  31 static const struct st_sensors_platform_data gyro_pdata = {
  32         .drdy_int_pin = 2,
  33 };
  34 
  35 const struct st_sensor_settings *st_gyro_get_settings(const char *name);
  36 int st_gyro_common_probe(struct iio_dev *indio_dev);
  37 void st_gyro_common_remove(struct iio_dev *indio_dev);
  38 
  39 #ifdef CONFIG_IIO_BUFFER
  40 int st_gyro_allocate_ring(struct iio_dev *indio_dev);
  41 void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
  42 int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
  43 #define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
  44 #else /* CONFIG_IIO_BUFFER */
  45 static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
  46 {
  47         return 0;
  48 }
  49 static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
  50 {
  51 }
  52 #define ST_GYRO_TRIGGER_SET_STATE NULL
  53 #endif /* CONFIG_IIO_BUFFER */
  54 
  55 #endif /* ST_GYRO_H */