drivers/iio/pressure/st_pressure.h

   1 /*
   2  * STMicroelectronics pressures driver
   3  *
   4  * Copyright 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_PRESS_H
  12 #define ST_PRESS_H
  13
  14 #include <linux/types.h>
  15 #include <linux/iio/common/st_sensors.h>
  16
  17 enum st_press_type {
  18         LPS001WP,
  19         LPS25H,
  20         LPS331AP,
  21         LPS22HB,
  22         ST_PRESS_MAX,
  23 };
  24
  25 #define LPS001WP_PRESS_DEV_NAME         "lps001wp"
  26 #define LPS25H_PRESS_DEV_NAME           "lps25h"
  27 #define LPS331AP_PRESS_DEV_NAME         "lps331ap"
  28 #define LPS22HB_PRESS_DEV_NAME          "lps22hb"
  29
  30 /**
  31  * struct st_sensors_platform_data - default press platform data
  32  * @drdy_int_pin: default press DRDY is available on INT1 pin.
  33  */
  34 static const struct st_sensors_platform_data default_press_pdata = {
  35         .drdy_int_pin = 1,
  36 };
  37
  38 int st_press_common_probe(struct iio_dev *indio_dev);
  39 void st_press_common_remove(struct iio_dev *indio_dev);
  40
  41 #ifdef CONFIG_IIO_BUFFER
  42 int st_press_allocate_ring(struct iio_dev *indio_dev);
  43 void st_press_deallocate_ring(struct iio_dev *indio_dev);
  44 int st_press_trig_set_state(struct iio_trigger *trig, bool state);
  45 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
  46 #else /* CONFIG_IIO_BUFFER */
  47 static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
  48 {
  49         return 0;
  50 }
  51
  52 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
  53 {
  54 }
  55 #define ST_PRESS_TRIGGER_SET_STATE NULL
  56 #endif /* CONFIG_IIO_BUFFER */
  57
  58 #endif /* ST_PRESS_H */