blob: e66b029d99de01b0e0e01d1b4a15dcb48795e098 (
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
|
/* 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
* @id: used to identify device internally
* @event_interface: event chrdevs associated with interrupt lines
* @attached_buffers: array of buffers statically attached by the driver
* @attached_buffers_cnt: number of buffers in the array of statically attached buffers
* @buffer_ioctl_handler: ioctl() handler for this IIO device's buffer interface
* @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
* @groups: attribute groups
* @groupcounter: index of next attribute group
* @legacy_scan_el_group: attribute group for legacy scan elements attribute group
* @legacy_buffer_group: attribute group for legacy buffer attributes group
* @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;
int id;
struct iio_event_interface *event_interface;
struct iio_buffer **attached_buffers;
unsigned int attached_buffers_cnt;
struct iio_ioctl_handler *buffer_ioctl_handler;
struct list_head buffer_list;
struct list_head channel_attr_list;
struct attribute_group chan_attr_group;
struct list_head ioctl_handlers;
const struct attribute_group **groups;
int groupcounter;
struct attribute_group legacy_scan_el_group;
struct attribute_group legacy_buffer_group;
#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
|
