xref: /openbmc/linux/drivers/iio/gyro/st_gyro.h (revision a36954f5)
1 /*
2  * STMicroelectronics gyroscopes 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_GYRO_H
12 #define ST_GYRO_H
13 
14 #include <linux/types.h>
15 #include <linux/iio/common/st_sensors.h>
16 
17 #define L3G4200D_GYRO_DEV_NAME		"l3g4200d"
18 #define LSM330D_GYRO_DEV_NAME		"lsm330d_gyro"
19 #define LSM330DL_GYRO_DEV_NAME		"lsm330dl_gyro"
20 #define LSM330DLC_GYRO_DEV_NAME		"lsm330dlc_gyro"
21 #define L3GD20_GYRO_DEV_NAME		"l3gd20"
22 #define L3G4IS_GYRO_DEV_NAME		"l3g4is_ui"
23 #define LSM330_GYRO_DEV_NAME		"lsm330_gyro"
24 #define LSM9DS0_GYRO_DEV_NAME		"lsm9ds0_gyro"
25 
26 /**
27  * struct st_sensors_platform_data - gyro platform data
28  * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
29  */
30 static const struct st_sensors_platform_data gyro_pdata = {
31 	.drdy_int_pin = 2,
32 };
33 
34 int st_gyro_common_probe(struct iio_dev *indio_dev);
35 void st_gyro_common_remove(struct iio_dev *indio_dev);
36 
37 #ifdef CONFIG_IIO_BUFFER
38 int st_gyro_allocate_ring(struct iio_dev *indio_dev);
39 void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
40 int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
41 #define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
42 #else /* CONFIG_IIO_BUFFER */
43 static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
44 {
45 	return 0;
46 }
47 static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
48 {
49 }
50 #define ST_GYRO_TRIGGER_SET_STATE NULL
51 #endif /* CONFIG_IIO_BUFFER */
52 
53 #endif /* ST_GYRO_H */
54