trigger_consumer.h

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/* The industrial I/O core, trigger consumer functions
 *
 * 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 __LINUX_IIO_TRIGGER_CONSUMER_H__
#define __LINUX_IIO_TRIGGER_CONSUMER_H__

#include <linux/interrupt.h>
#include <linux/types.h>

struct iio_dev;
struct iio_trigger;

struct iio_poll_func {
    struct iio_dev *indio_dev;
    irqreturn_t (*h)(int irq, void *p);
    irqreturn_t (*thread)(int irq, void *p);
    int type;
    char *name;
    int irq;
    s64 timestamp;
};


struct iio_poll_func
*iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p),
            irqreturn_t (*thread)(int irq, void *p),
            int type,
            struct iio_dev *indio_dev,
            const char *fmt,
            ...);
void iio_dealloc_pollfunc(struct iio_poll_func *pf);
irqreturn_t iio_pollfunc_store_time(int irq, void *p);

void iio_trigger_notify_done(struct iio_trigger *trig);

/*
 * Two functions for common case where all that happens is a pollfunc
 * is attached and detached from a trigger
 */
int iio_triggered_buffer_postenable(struct iio_dev *indio_dev);
int iio_triggered_buffer_predisable(struct iio_dev *indio_dev);

#endif