xref: /openbmc/linux/drivers/iio/accel/st_accel.h (revision d2574c33) 
1 /*
2  * STMicroelectronics accelerometers 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_ACCEL_H
12 #define ST_ACCEL_H
13 
14 #include <linux/types.h>
15 #include <linux/iio/common/st_sensors.h>
16 
17 enum st_accel_type {
18 	LSM303DLH,
19 	LSM303DLHC,
20 	LIS3DH,
21 	LSM330D,
22 	LSM330DL,
23 	LSM330DLC,
24 	LIS331DLH,
25 	LSM303DL,
26 	LSM303DLM,
27 	LSM330,
28 	LSM303AGR,
29 	LIS2DH12,
30 	LIS3L02DQ,
31 	LNG2DM,
32 	H3LIS331DL,
33 	LIS331DL,
34 	LIS3LV02DL,
35 	LIS2DW12,
36 	LIS3DHH,
37 	ST_ACCEL_MAX,
38 };
39 
40 #define H3LIS331DL_ACCEL_DEV_NAME	"h3lis331dl_accel"
41 #define LIS3LV02DL_ACCEL_DEV_NAME	"lis3lv02dl_accel"
42 #define LSM303DLHC_ACCEL_DEV_NAME	"lsm303dlhc_accel"
43 #define LIS3DH_ACCEL_DEV_NAME		"lis3dh"
44 #define LSM330D_ACCEL_DEV_NAME		"lsm330d_accel"
45 #define LSM330DL_ACCEL_DEV_NAME		"lsm330dl_accel"
46 #define LSM330DLC_ACCEL_DEV_NAME	"lsm330dlc_accel"
47 #define LIS331DL_ACCEL_DEV_NAME		"lis331dl_accel"
48 #define LIS331DLH_ACCEL_DEV_NAME	"lis331dlh"
49 #define LSM303DL_ACCEL_DEV_NAME		"lsm303dl_accel"
50 #define LSM303DLH_ACCEL_DEV_NAME	"lsm303dlh_accel"
51 #define LSM303DLM_ACCEL_DEV_NAME	"lsm303dlm_accel"
52 #define LSM330_ACCEL_DEV_NAME		"lsm330_accel"
53 #define LSM303AGR_ACCEL_DEV_NAME	"lsm303agr_accel"
54 #define LIS2DH12_ACCEL_DEV_NAME		"lis2dh12_accel"
55 #define LIS3L02DQ_ACCEL_DEV_NAME	"lis3l02dq"
56 #define LNG2DM_ACCEL_DEV_NAME		"lng2dm"
57 #define LIS2DW12_ACCEL_DEV_NAME		"lis2dw12"
58 #define LIS3DHH_ACCEL_DEV_NAME		"lis3dhh"
59 #define LIS3DE_ACCEL_DEV_NAME		"lis3de"
60 
61 /**
62 * struct st_sensors_platform_data - default accel platform data
63 * @drdy_int_pin: default accel DRDY is available on INT1 pin.
64 */
65 static const struct st_sensors_platform_data default_accel_pdata = {
66 	.drdy_int_pin = 1,
67 };
68 
69 int st_accel_common_probe(struct iio_dev *indio_dev);
70 void st_accel_common_remove(struct iio_dev *indio_dev);
71 
72 #ifdef CONFIG_IIO_BUFFER
73 int st_accel_allocate_ring(struct iio_dev *indio_dev);
74 void st_accel_deallocate_ring(struct iio_dev *indio_dev);
75 int st_accel_trig_set_state(struct iio_trigger *trig, bool state);
76 #define ST_ACCEL_TRIGGER_SET_STATE (&st_accel_trig_set_state)
77 #else /* CONFIG_IIO_BUFFER */
78 static inline int st_accel_allocate_ring(struct iio_dev *indio_dev)
79 {
80 	return 0;
81 }
82 static inline void st_accel_deallocate_ring(struct iio_dev *indio_dev)
83 {
84 }
85 #define ST_ACCEL_TRIGGER_SET_STATE NULL
86 #endif /* CONFIG_IIO_BUFFER */
87 
88 #endif /* ST_ACCEL_H */
89