xref: /OK3568_Linux_fs/kernel/drivers/iio/gyro/st_gyro.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * STMicroelectronics gyroscopes 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_GYRO_H
12*4882a593Smuzhiyun #define ST_GYRO_H
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include <linux/types.h>
15*4882a593Smuzhiyun #include <linux/iio/common/st_sensors.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define L3G4200D_GYRO_DEV_NAME		"l3g4200d"
18*4882a593Smuzhiyun #define LSM330D_GYRO_DEV_NAME		"lsm330d_gyro"
19*4882a593Smuzhiyun #define LSM330DL_GYRO_DEV_NAME		"lsm330dl_gyro"
20*4882a593Smuzhiyun #define LSM330DLC_GYRO_DEV_NAME		"lsm330dlc_gyro"
21*4882a593Smuzhiyun #define L3GD20_GYRO_DEV_NAME		"l3gd20"
22*4882a593Smuzhiyun #define L3GD20H_GYRO_DEV_NAME		"l3gd20h"
23*4882a593Smuzhiyun #define L3G4IS_GYRO_DEV_NAME		"l3g4is_ui"
24*4882a593Smuzhiyun #define LSM330_GYRO_DEV_NAME		"lsm330_gyro"
25*4882a593Smuzhiyun #define LSM9DS0_GYRO_DEV_NAME		"lsm9ds0_gyro"
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun /**
28*4882a593Smuzhiyun  * struct st_sensors_platform_data - gyro platform data
29*4882a593Smuzhiyun  * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
30*4882a593Smuzhiyun  */
31*4882a593Smuzhiyun static __maybe_unused const struct st_sensors_platform_data gyro_pdata = {
32*4882a593Smuzhiyun 	.drdy_int_pin = 2,
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun const struct st_sensor_settings *st_gyro_get_settings(const char *name);
36*4882a593Smuzhiyun int st_gyro_common_probe(struct iio_dev *indio_dev);
37*4882a593Smuzhiyun void st_gyro_common_remove(struct iio_dev *indio_dev);
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #ifdef CONFIG_IIO_BUFFER
40*4882a593Smuzhiyun int st_gyro_allocate_ring(struct iio_dev *indio_dev);
41*4882a593Smuzhiyun void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
42*4882a593Smuzhiyun int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
43*4882a593Smuzhiyun #define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
44*4882a593Smuzhiyun #else /* CONFIG_IIO_BUFFER */
st_gyro_allocate_ring(struct iio_dev * indio_dev)45*4882a593Smuzhiyun static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun 	return 0;
48*4882a593Smuzhiyun }
st_gyro_deallocate_ring(struct iio_dev * indio_dev)49*4882a593Smuzhiyun static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun }
52*4882a593Smuzhiyun #define ST_GYRO_TRIGGER_SET_STATE NULL
53*4882a593Smuzhiyun #endif /* CONFIG_IIO_BUFFER */
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun #endif /* ST_GYRO_H */
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