1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * STMicroelectronics magnetometers driver
4  *
5  * Copyright 2012-2013 STMicroelectronics Inc.
6  *
7  * Denis Ciocca <denis.ciocca@st.com>
8  * v. 1.0.0
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 #define LSM9DS1_MAGN_DEV_NAME		"lsm9ds1_magn"
24 
25 const struct st_sensor_settings *st_magn_get_settings(const char *name);
26 int st_magn_common_probe(struct iio_dev *indio_dev);
27 void st_magn_common_remove(struct iio_dev *indio_dev);
28 
29 #ifdef CONFIG_IIO_BUFFER
30 int st_magn_allocate_ring(struct iio_dev *indio_dev);
31 void st_magn_deallocate_ring(struct iio_dev *indio_dev);
32 int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
33 #define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
34 #else /* CONFIG_IIO_BUFFER */
35 static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
36 {
37 	return 0;
38 }
39 static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
40 {
41 	return;
42 }
43 static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
44 {
45 	return 0;
46 }
47 static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
48 {
49 }
50 #define ST_MAGN_TRIGGER_SET_STATE NULL
51 #endif /* CONFIG_IIO_BUFFER */
52 
53 #endif /* ST_MAGN_H */
54