root/drivers/iio/pressure/st_pressure.h

INCLUDED FROM

DEFINITIONS

1. st_press_allocate_ring
2. st_press_deallocate_ring

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * STMicroelectronics pressures driver
   4  *
   5  * Copyright 2013 STMicroelectronics Inc.
   6  *
   7  * Denis Ciocca <denis.ciocca@st.com>
   8  * v. 1.0.0
   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         LPS33HW,
  23         LPS35HW,
  24         LPS22HH,
  25         ST_PRESS_MAX,
  26 };
  27 
  28 #define LPS001WP_PRESS_DEV_NAME         "lps001wp"
  29 #define LPS25H_PRESS_DEV_NAME           "lps25h"
  30 #define LPS331AP_PRESS_DEV_NAME         "lps331ap"
  31 #define LPS22HB_PRESS_DEV_NAME          "lps22hb"
  32 #define LPS33HW_PRESS_DEV_NAME          "lps33hw"
  33 #define LPS35HW_PRESS_DEV_NAME          "lps35hw"
  34 #define LPS22HH_PRESS_DEV_NAME          "lps22hh"
  35 
  36 /**
  37  * struct st_sensors_platform_data - default press platform data
  38  * @drdy_int_pin: default press DRDY is available on INT1 pin.
  39  */
  40 static const struct st_sensors_platform_data default_press_pdata = {
  41         .drdy_int_pin = 1,
  42 };
  43 
  44 const struct st_sensor_settings *st_press_get_settings(const char *name);
  45 int st_press_common_probe(struct iio_dev *indio_dev);
  46 void st_press_common_remove(struct iio_dev *indio_dev);
  47 
  48 #ifdef CONFIG_IIO_BUFFER
  49 int st_press_allocate_ring(struct iio_dev *indio_dev);
  50 void st_press_deallocate_ring(struct iio_dev *indio_dev);
  51 int st_press_trig_set_state(struct iio_trigger *trig, bool state);
  52 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
  53 #else /* CONFIG_IIO_BUFFER */
  54 static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
  55 {
  56         return 0;
  57 }
  58 
  59 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
  60 {
  61 }
  62 #define ST_PRESS_TRIGGER_SET_STATE NULL
  63 #endif /* CONFIG_IIO_BUFFER */
  64 
  65 #endif /* ST_PRESS_H */