blob: 60fbb5431c8809339e8f89c27e359732b2e1d159 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Header file for hmc5843 driver
*
* Split from hmc5843.c
* Copyright (C) Josef Gajdusek <atx@atx.name>
*/
#ifndef HMC5843_CORE_H
#define HMC5843_CORE_H
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#define HMC5843_CONFIG_REG_A 0x00
#define HMC5843_CONFIG_REG_B 0x01
#define HMC5843_MODE_REG 0x02
#define HMC5843_DATA_OUT_MSB_REGS 0x03
#define HMC5843_STATUS_REG 0x09
#define HMC5843_ID_REG 0x0a
#define HMC5843_ID_END 0x0c
enum hmc5843_ids {
HMC5843_ID,
HMC5883_ID,
HMC5883L_ID,
HMC5983_ID,
};
/**
* struct hmc5843_data - device specific data
* @dev: actual device
* @lock: update and read regmap data
* @regmap: hardware access register maps
* @variant: describe chip variants
* @scan: buffer to pack data for passing to
* iio_push_to_buffers_with_timestamp()
*/
struct hmc5843_data {
struct device *dev;
struct mutex lock;
struct regmap *regmap;
const struct hmc5843_chip_info *variant;
struct iio_mount_matrix orientation;
struct {
__be16 chans[3];
s64 timestamp __aligned(8);
} scan;
};
int hmc5843_common_probe(struct device *dev, struct regmap *regmap,
enum hmc5843_ids id, const char *name);
void hmc5843_common_remove(struct device *dev);
extern const struct dev_pm_ops hmc5843_pm_ops;
#endif /* HMC5843_CORE_H */
|
