xref: /linux/drivers/iio/pressure/st_pressure.h (revision fada1935590f66dc6784981e0d557ca09013c847)
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 	LPS33HW,
23 	LPS35HW,
24 	ST_PRESS_MAX,
25 };
26 
27 #define LPS001WP_PRESS_DEV_NAME		"lps001wp"
28 #define LPS25H_PRESS_DEV_NAME		"lps25h"
29 #define LPS331AP_PRESS_DEV_NAME		"lps331ap"
30 #define LPS22HB_PRESS_DEV_NAME		"lps22hb"
31 #define LPS33HW_PRESS_DEV_NAME		"lps33hw"
32 #define LPS35HW_PRESS_DEV_NAME		"lps35hw"
33 
34 /**
35  * struct st_sensors_platform_data - default press platform data
36  * @drdy_int_pin: default press DRDY is available on INT1 pin.
37  */
38 static const struct st_sensors_platform_data default_press_pdata = {
39 	.drdy_int_pin = 1,
40 };
41 
42 int st_press_common_probe(struct iio_dev *indio_dev);
43 void st_press_common_remove(struct iio_dev *indio_dev);
44 
45 #ifdef CONFIG_IIO_BUFFER
46 int st_press_allocate_ring(struct iio_dev *indio_dev);
47 void st_press_deallocate_ring(struct iio_dev *indio_dev);
48 int st_press_trig_set_state(struct iio_trigger *trig, bool state);
49 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
50 #else /* CONFIG_IIO_BUFFER */
51 static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
52 {
53 	return 0;
54 }
55 
56 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
57 {
58 }
59 #define ST_PRESS_TRIGGER_SET_STATE NULL
60 #endif /* CONFIG_IIO_BUFFER */
61 
62 #endif /* ST_PRESS_H */
63