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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>
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* The industrial I/O - event passing to userspace
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*
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* Copyright (c) 2008-2011 Jonathan Cameron
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*/
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#ifndef _IIO_EVENTS_H_
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#define _IIO_EVENTS_H_
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#include <linux/iio/types.h>
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#include <uapi/linux/iio/events.h>
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/**
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* IIO_EVENT_CODE() - create event identifier
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* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
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* @diff: Whether the event is for an differential channel or not.
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* @modifier: Modifier for the channel. Should be one of enum iio_modifier.
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* @direction: Direction of the event. One of enum iio_event_direction.
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* @type: Type of the event. Should be one of enum iio_event_type.
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* @chan: Channel number for non-differential channels.
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* @chan1: First channel number for differential channels.
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* @chan2: Second channel number for differential channels.
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*/
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#define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \
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type, chan, chan1, chan2) \
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(((u64)type << 56) | ((u64)diff << 55) | \
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((u64)direction << 48) | ((u64)modifier << 40) | \
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((u64)chan_type << 32) | (((u16)chan2) << 16) | ((u16)chan1) | \
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((u16)chan))
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/**
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* IIO_MOD_EVENT_CODE() - create event identifier for modified channels
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* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
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* @number: Channel number.
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* @modifier: Modifier for the channel. Should be one of enum iio_modifier.
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* @type: Type of the event. Should be one of enum iio_event_type.
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* @direction: Direction of the event. One of enum iio_event_direction.
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*/
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#define IIO_MOD_EVENT_CODE(chan_type, number, modifier, \
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type, direction) \
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IIO_EVENT_CODE(chan_type, 0, modifier, direction, type, number, 0, 0)
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/**
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* IIO_UNMOD_EVENT_CODE() - create event identifier for unmodified channels
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* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
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* @number: Channel number.
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* @type: Type of the event. Should be one of enum iio_event_type.
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* @direction: Direction of the event. One of enum iio_event_direction.
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*/
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#define IIO_UNMOD_EVENT_CODE(chan_type, number, type, direction) \
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IIO_EVENT_CODE(chan_type, 0, 0, direction, type, number, 0, 0)
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#endif
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