1 /*
2  * STMicroelectronics magnetometers driver
3  *
4  * Copyright 2012-2013 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_MAGN_H
12 #define ST_MAGN_H
13 
14 #include <linux/types.h>
15 #include <linux/iio/common/st_sensors.h>
16 
17 #define LSM303DLH_MAGN_DEV_NAME		"lsm303dlh_magn"
18 #define LSM303DLHC_MAGN_DEV_NAME	"lsm303dlhc_magn"
19 #define LSM303DLM_MAGN_DEV_NAME		"lsm303dlm_magn"
20 #define LIS3MDL_MAGN_DEV_NAME		"lis3mdl"
21 #define LSM303AGR_MAGN_DEV_NAME		"lsm303agr_magn"
22 #define LIS2MDL_MAGN_DEV_NAME		"lis2mdl"
23 
24 int st_magn_common_probe(struct iio_dev *indio_dev);
25 void st_magn_common_remove(struct iio_dev *indio_dev);
26 
27 #ifdef CONFIG_IIO_BUFFER
28 int st_magn_allocate_ring(struct iio_dev *indio_dev);
29 void st_magn_deallocate_ring(struct iio_dev *indio_dev);
30 int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
31 #define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
32 #else /* CONFIG_IIO_BUFFER */
33 static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
34 {
35 	return 0;
36 }
37 static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
38 {
39 	return;
40 }
41 static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
42 {
43 	return 0;
44 }
45 static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
46 {
47 }
48 #define ST_MAGN_TRIGGER_SET_STATE NULL
49 #endif /* CONFIG_IIO_BUFFER */
50 
51 #endif /* ST_MAGN_H */
52