diff options
Diffstat (limited to 'drivers/staging/iio/events.h')
-rw-r--r-- | drivers/staging/iio/events.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/drivers/staging/iio/events.h b/drivers/staging/iio/events.h deleted file mode 100644 index c25f0e3c92e9..000000000000 --- a/drivers/staging/iio/events.h +++ /dev/null @@ -1,105 +0,0 @@ -/* The industrial I/O - event passing to userspace - * - * Copyright (c) 2008-2011 Jonathan Cameron - * - * 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. - */ -#ifndef _IIO_EVENTS_H_ -#define _IIO_EVENTS_H_ - -#include <linux/ioctl.h> -#include <linux/types.h> -#include "types.h" - -/** - * struct iio_event_data - The actual event being pushed to userspace - * @id: event identifier - * @timestamp: best estimate of time of event occurrence (often from - * the interrupt handler) - */ -struct iio_event_data { - __u64 id; - __s64 timestamp; -}; - -#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int) - -enum iio_event_type { - IIO_EV_TYPE_THRESH, - IIO_EV_TYPE_MAG, - IIO_EV_TYPE_ROC, - IIO_EV_TYPE_THRESH_ADAPTIVE, - IIO_EV_TYPE_MAG_ADAPTIVE, -}; - -enum iio_event_direction { - IIO_EV_DIR_EITHER, - IIO_EV_DIR_RISING, - IIO_EV_DIR_FALLING, -}; - -/** - * 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 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)) - - -#define IIO_EV_DIR_MAX 4 -#define IIO_EV_BIT(type, direction) \ - (1 << (type*IIO_EV_DIR_MAX + direction)) - -/** - * 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 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 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) - -#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF) - -#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF) - -#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF) - -/* Event code number extraction depends on which type of event we have. - * Perhaps review this function in the future*/ -#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF)) -#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF)) - -#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF) -#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1) - -#endif |