5113f6f70
 김현기
kernel add
|
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
57
58
59
|
/* The industrial I/O - event passing to userspace
*
* Copyright (c) 2008-2011 Jonathan Cameron
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#ifndef _IIO_EVENTS_H_
#define _IIO_EVENTS_H_
#include <linux/iio/types.h>
#include <uapi/linux/iio/events.h>
/**
* IIO_EVENT_CODE() - create event identifier
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
* @diff: Whether the event is for an differential channel or not.
* @modifier: Modifier for the channel. Should be one of enum iio_modifier.
* @direction: Direction of the event. One of enum iio_event_direction.
* @type: Type of the event. Should be one of enum iio_event_type.
* @chan: Channel number for non-differential channels.
* @chan1: First channel number for differential channels.
* @chan2: Second channel number for differential channels.
*/
#define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \
type, chan, chan1, chan2) \
(((u64)type << 56) | ((u64)diff << 55) | \
((u64)direction << 48) | ((u64)modifier << 40) | \
((u64)chan_type << 32) | (((u16)chan2) << 16) | ((u16)chan1) | \
((u16)chan))
/**
* IIO_MOD_EVENT_CODE() - create event identifier for modified channels
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
* @number: Channel number.
* @modifier: Modifier for the channel. Should be one of enum iio_modifier.
* @type: Type of the event. Should be one of enum iio_event_type.
* @direction: Direction of the event. One of enum iio_event_direction.
*/
#define IIO_MOD_EVENT_CODE(chan_type, number, modifier, \
type, direction) \
IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0)
/**
* IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
* @number: Channel number.
* @type: Type of the event. Should be one of enum iio_event_type.
* @direction: Direction of the event. One of enum iio_event_direction.
*/
#define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \
IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0)
#endif
|