Commit | Line | Data |
---|---|---|
af5046af JC |
1 | /* The industrial I/O - event passing to userspace |
2 | * | |
3 | * Copyright (c) 2008-2011 Jonathan Cameron | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License version 2 as published by | |
7 | * the Free Software Foundation. | |
8 | */ | |
9 | #ifndef _IIO_EVENTS_H_ | |
10 | #define _IIO_EVENTS_H_ | |
11 | ||
06458e27 | 12 | #include <linux/iio/types.h> |
293487c8 | 13 | #include <uapi/linux/iio/events.h> |
af5046af | 14 | |
3014cd97 LPC |
15 | /** |
16 | * IIO_EVENT_CODE() - create event identifier | |
17 | * @chan_type: Type of the channel. Should be one of enum iio_chan_type. | |
18 | * @diff: Whether the event is for an differential channel or not. | |
19 | * @modifier: Modifier for the channel. Should be one of enum iio_modifier. | |
20 | * @direction: Direction of the event. One of enum iio_event_direction. | |
fb1c4bcd | 21 | * @type: Type of the event. Should be one of enum iio_event_type. |
3014cd97 LPC |
22 | * @chan: Channel number for non-differential channels. |
23 | * @chan1: First channel number for differential channels. | |
24 | * @chan2: Second channel number for differential channels. | |
25 | */ | |
26 | ||
af5046af JC |
27 | #define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \ |
28 | type, chan, chan1, chan2) \ | |
29 | (((u64)type << 56) | ((u64)diff << 55) | \ | |
30 | ((u64)direction << 48) | ((u64)modifier << 40) | \ | |
19c2aedc LPC |
31 | ((u64)chan_type << 32) | (((u16)chan2) << 16) | ((u16)chan1) | \ |
32 | ((u16)chan)) | |
af5046af JC |
33 | |
34 | ||
3014cd97 LPC |
35 | /** |
36 | * IIO_MOD_EVENT_CODE() - create event identifier for modified channels | |
37 | * @chan_type: Type of the channel. Should be one of enum iio_chan_type. | |
38 | * @number: Channel number. | |
39 | * @modifier: Modifier for the channel. Should be one of enum iio_modifier. | |
fb1c4bcd | 40 | * @type: Type of the event. Should be one of enum iio_event_type. |
3014cd97 LPC |
41 | * @direction: Direction of the event. One of enum iio_event_direction. |
42 | */ | |
43 | ||
44 | #define IIO_MOD_EVENT_CODE(chan_type, number, modifier, \ | |
af5046af | 45 | type, direction) \ |
3014cd97 LPC |
46 | IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0) |
47 | ||
48 | /** | |
49 | * IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels | |
50 | * @chan_type: Type of the channel. Should be one of enum iio_chan_type. | |
51 | * @number: Channel number. | |
fb1c4bcd | 52 | * @type: Type of the event. Should be one of enum iio_event_type. |
3014cd97 LPC |
53 | * @direction: Direction of the event. One of enum iio_event_direction. |
54 | */ | |
af5046af | 55 | |
3014cd97 LPC |
56 | #define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \ |
57 | IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0) | |
af5046af | 58 | |
af5046af | 59 | #endif |