blob: 07c5a8e52ca88df86200c6c3a51eb83a4469d088 (
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
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _INDUSTRIAL_IO_OPAQUE_H_
#define _INDUSTRIAL_IO_OPAQUE_H_
/**
* struct iio_dev_opaque - industrial I/O device opaque information
* @indio_dev: public industrial I/O device information
* @event_interface: event chrdevs associated with interrupt lines
* @buffer_list: list of all buffers currently attached
* @channel_attr_list: keep track of automatically created channel
* attributes
* @chan_attr_group: group for all attrs in base directory
* @ioctl_handlers: ioctl handlers registered with the core handler
* @debugfs_dentry: device specific debugfs dentry
* @cached_reg_addr: cached register address for debugfs reads
* @read_buf: read buffer to be used for the initial reg read
* @read_buf_len: data length in @read_buf
*/
struct iio_dev_opaque {
struct iio_dev indio_dev;
struct iio_event_interface *event_interface;
struct list_head buffer_list;
struct list_head channel_attr_list;
struct attribute_group chan_attr_group;
struct list_head ioctl_handlers;
#if defined(CONFIG_DEBUG_FS)
struct dentry *debugfs_dentry;
unsigned cached_reg_addr;
char read_buf[20];
unsigned int read_buf_len;
#endif
};
#define to_iio_dev_opaque(indio_dev) \
container_of(indio_dev, struct iio_dev_opaque, indio_dev)
#endif
|
