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13#ifndef _IIO_CORE_H_
14#define _IIO_CORE_H_
15#include <linux/kernel.h>
16#include <linux/device.h>
17
18struct iio_chan_spec;
19struct iio_dev;
20
21extern struct device_type iio_device_type;
22
23int __iio_add_chan_devattr(const char *postfix,
24 struct iio_chan_spec const *chan,
25 ssize_t (*func)(struct device *dev,
26 struct device_attribute *attr,
27 char *buf),
28 ssize_t (*writefunc)(struct device *dev,
29 struct device_attribute *attr,
30 const char *buf,
31 size_t len),
32 u64 mask,
33 bool generic,
34 struct device *dev,
35 struct list_head *attr_list);
36
37
38#define IIO_BUSY_BIT_POS 1
39
40#ifdef CONFIG_IIO_BUFFER
41struct poll_table_struct;
42
43unsigned int iio_buffer_poll(struct file *filp,
44 struct poll_table_struct *wait);
45ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf,
46 size_t n, loff_t *f_ps);
47
48
49#define iio_buffer_poll_addr (&iio_buffer_poll)
50#define iio_buffer_read_first_n_outer_addr (&iio_buffer_read_first_n_outer)
51
52#else
53
54#define iio_buffer_poll_addr NULL
55#define iio_buffer_read_first_n_outer_addr NULL
56
57#endif
58
59int iio_device_register_eventset(struct iio_dev *indio_dev);
60void iio_device_unregister_eventset(struct iio_dev *indio_dev);
61int iio_event_getfd(struct iio_dev *indio_dev);
62
63#endif
64