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 int st_press_common_probe(struct iio_dev *indio_dev);
45 void st_press_common_remove(struct iio_dev *indio_dev);
46 
47 #ifdef CONFIG_IIO_BUFFER
48 int st_press_allocate_ring(struct iio_dev *indio_dev);
49 void st_press_deallocate_ring(struct iio_dev *indio_dev);
50 int st_press_trig_set_state(struct iio_trigger *trig, bool state);
51 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
52 #else /* CONFIG_IIO_BUFFER */
53 static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
54 {
55 	return 0;
56 }
57 
58 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
59 {
60 }
61 #define ST_PRESS_TRIGGER_SET_STATE NULL
62 #endif /* CONFIG_IIO_BUFFER */
63 
64 #endif /* ST_PRESS_H */
65