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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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01f567d221
Make IIO_EVENT_CODE "private" by adding a leading underscore. There are no more users of this macro in the kernel so we can make it "private" and encourage developers to use the specialized versions of the macro instead. Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20241101-iio-fix-event-macro-use-v1-3-0000c5d09f6d@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
74 lines
2.8 KiB
C
74 lines
2.8 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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* Drivers should use the specialized macros below instead of using this one
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* directly.
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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 (non
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* differential) 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 (non
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* differential) 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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/**
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* IIO_DIFF_EVENT_CODE() - create event identifier for differential channels
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* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
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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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* @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_DIFF_EVENT_CODE(chan_type, chan1, chan2, type, direction) \
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_IIO_EVENT_CODE(chan_type, 1, 0, direction, type, 0, chan1, chan2)
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#endif
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