| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|
| 2 | /* The industrial I/O - event passing to userspace |
|---|
| 3 | * |
|---|
| 4 | * Copyright (c) 2008-2011 Jonathan Cameron |
|---|
| 5 | */ |
|---|
| 6 | #ifndef _IIO_EVENTS_H_ |
|---|
| 7 | #define _IIO_EVENTS_H_ |
|---|
| 8 | |
|---|
| 9 | #include <linux/iio/types.h> |
|---|
| 10 | #include <uapi/linux/iio/events.h> |
|---|
| 11 | |
|---|
| 12 | /** |
|---|
| 13 | * IIO_EVENT_CODE() - create event identifier |
|---|
| 14 | * @chan_type: Type of the channel. Should be one of enum iio_chan_type. |
|---|
| 15 | * @diff: Whether the event is for an differential channel or not. |
|---|
| 16 | * @modifier: Modifier for the channel. Should be one of enum iio_modifier. |
|---|
| 17 | * @direction: Direction of the event. One of enum iio_event_direction. |
|---|
| 18 | * @type: Type of the event. Should be one of enum iio_event_type. |
|---|
| 19 | * @chan: Channel number for non-differential channels. |
|---|
| 20 | * @chan1: First channel number for differential channels. |
|---|
| 21 | * @chan2: Second channel number for differential channels. |
|---|
| 22 | */ |
|---|
| 23 | |
|---|
| 24 | #define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \ |
|---|
| 25 | type, chan, chan1, chan2) \ |
|---|
| 26 | (((u64)type << 56) | ((u64)diff << 55) | \ |
|---|
| 27 | ((u64)direction << 48) | ((u64)modifier << 40) | \ |
|---|
| 28 | ((u64)chan_type << 32) | (((u16)chan2) << 16) | ((u16)chan1) | \ |
|---|
| 29 | ((u16)chan)) |
|---|
| 30 | |
|---|
| 31 | |
|---|
| 32 | /** |
|---|
| 33 | * IIO_MOD_EVENT_CODE() - create event identifier for modified channels |
|---|
| 34 | * @chan_type: Type of the channel. Should be one of enum iio_chan_type. |
|---|
| 35 | * @number: Channel number. |
|---|
| 36 | * @modifier: Modifier for the channel. Should be one of enum iio_modifier. |
|---|
| 37 | * @type: Type of the event. Should be one of enum iio_event_type. |
|---|
| 38 | * @direction: Direction of the event. One of enum iio_event_direction. |
|---|
| 39 | */ |
|---|
| 40 | |
|---|
| 41 | #define IIO_MOD_EVENT_CODE(chan_type, number, modifier, \ |
|---|
| 42 | type, direction) \ |
|---|
| 43 | IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0) |
|---|
| 44 | |
|---|
| 45 | /** |
|---|
| 46 | * IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels |
|---|
| 47 | * @chan_type: Type of the channel. Should be one of enum iio_chan_type. |
|---|
| 48 | * @number: Channel number. |
|---|
| 49 | * @type: Type of the event. Should be one of enum iio_event_type. |
|---|
| 50 | * @direction: Direction of the event. One of enum iio_event_direction. |
|---|
| 51 | */ |
|---|
| 52 | |
|---|
| 53 | #define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \ |
|---|
| 54 | IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0) |
|---|
| 55 | |
|---|
| 56 | #endif |
|---|
| 57 | |
|---|
