xref: /openbmc/linux/drivers/iio/gyro/st_gyro.h (revision 55fd7e02)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * STMicroelectronics gyroscopes 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_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 L3GD20H_GYRO_DEV_NAME		"l3gd20h"
23 #define L3G4IS_GYRO_DEV_NAME		"l3g4is_ui"
24 #define LSM330_GYRO_DEV_NAME		"lsm330_gyro"
25 #define LSM9DS0_GYRO_DEV_NAME		"lsm9ds0_gyro"
26 
27 /**
28  * struct st_sensors_platform_data - gyro platform data
29  * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
30  */
31 static __maybe_unused const struct st_sensors_platform_data gyro_pdata = {
32 	.drdy_int_pin = 2,
33 };
34 
35 const struct st_sensor_settings *st_gyro_get_settings(const char *name);
36 int st_gyro_common_probe(struct iio_dev *indio_dev);
37 void st_gyro_common_remove(struct iio_dev *indio_dev);
38 
39 #ifdef CONFIG_IIO_BUFFER
40 int st_gyro_allocate_ring(struct iio_dev *indio_dev);
41 void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
42 int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
43 #define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
44 #else /* CONFIG_IIO_BUFFER */
45 static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
46 {
47 	return 0;
48 }
49 static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
50 {
51 }
52 #define ST_GYRO_TRIGGER_SET_STATE NULL
53 #endif /* CONFIG_IIO_BUFFER */
54 
55 #endif /* ST_GYRO_H */
56