linux_dsm_epyc7002/include/linux/iio/events.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  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

  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 #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

57 lines
2.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/* The industrial I/O - event passing to userspace
*
* Copyright (c) 2008-2011 Jonathan Cameron
*/
#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