xref: /OK3568_Linux_fs/kernel/drivers/iio/magnetometer/st_magn.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * STMicroelectronics magnetometers driver
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright 2012-2013 STMicroelectronics Inc.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Denis Ciocca <denis.ciocca@st.com>
8*4882a593Smuzhiyun  * v. 1.0.0
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifndef ST_MAGN_H
12*4882a593Smuzhiyun #define ST_MAGN_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include <linux/types.h>
15*4882a593Smuzhiyun #include <linux/iio/common/st_sensors.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define LSM303DLH_MAGN_DEV_NAME		"lsm303dlh_magn"
18*4882a593Smuzhiyun #define LSM303DLHC_MAGN_DEV_NAME	"lsm303dlhc_magn"
19*4882a593Smuzhiyun #define LSM303DLM_MAGN_DEV_NAME		"lsm303dlm_magn"
20*4882a593Smuzhiyun #define LIS3MDL_MAGN_DEV_NAME		"lis3mdl"
21*4882a593Smuzhiyun #define LSM303AGR_MAGN_DEV_NAME		"lsm303agr_magn"
22*4882a593Smuzhiyun #define LIS2MDL_MAGN_DEV_NAME		"lis2mdl"
23*4882a593Smuzhiyun #define LSM9DS1_MAGN_DEV_NAME		"lsm9ds1_magn"
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun const struct st_sensor_settings *st_magn_get_settings(const char *name);
26*4882a593Smuzhiyun int st_magn_common_probe(struct iio_dev *indio_dev);
27*4882a593Smuzhiyun void st_magn_common_remove(struct iio_dev *indio_dev);
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #ifdef CONFIG_IIO_BUFFER
30*4882a593Smuzhiyun int st_magn_allocate_ring(struct iio_dev *indio_dev);
31*4882a593Smuzhiyun void st_magn_deallocate_ring(struct iio_dev *indio_dev);
32*4882a593Smuzhiyun int st_magn_trig_set_state(struct iio_trigger *trig, bool state);
33*4882a593Smuzhiyun #define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state)
34*4882a593Smuzhiyun #else /* CONFIG_IIO_BUFFER */
st_magn_probe_trigger(struct iio_dev * indio_dev,int irq)35*4882a593Smuzhiyun static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun 	return 0;
38*4882a593Smuzhiyun }
st_magn_remove_trigger(struct iio_dev * indio_dev,int irq)39*4882a593Smuzhiyun static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
40*4882a593Smuzhiyun {
41*4882a593Smuzhiyun 	return;
42*4882a593Smuzhiyun }
st_magn_allocate_ring(struct iio_dev * indio_dev)43*4882a593Smuzhiyun static inline int st_magn_allocate_ring(struct iio_dev *indio_dev)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun 	return 0;
46*4882a593Smuzhiyun }
st_magn_deallocate_ring(struct iio_dev * indio_dev)47*4882a593Smuzhiyun static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev)
48*4882a593Smuzhiyun {
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun #define ST_MAGN_TRIGGER_SET_STATE NULL
51*4882a593Smuzhiyun #endif /* CONFIG_IIO_BUFFER */
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #endif /* ST_MAGN_H */
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