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/* $OpenBSD: omgpiovar.h,v 1.2 2013/11/20 13:32:40 rapha Exp $ */
/*
* Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef OMGPIOVAR_H
#define OMGPIOVAR_H
#define OMGPIO_DIR_IN 0
#define OMGPIO_DIR_OUT 1
unsigned int omgpio_get_function(unsigned int gpio, unsigned int fn);
void omgpio_set_function(unsigned int gpio, unsigned int fn);
unsigned int omgpio_get_bit(unsigned int gpio);
void omgpio_set_bit(unsigned int gpio);
void omgpio_clear_bit(unsigned int gpio);
void omgpio_set_dir(unsigned int gpio, unsigned int dir);
int omgpio_pin_read(void *arg, int pin);
void omgpio_pin_write(void *arg, int pin, int value);
void omgpio_pin_ctl(void *arg, int pin, int flags);
/* interrupts */
void omgpio_clear_intr(unsigned int gpio);
void omgpio_intr_mask(unsigned int gpio);
void omgpio_intr_unmask(unsigned int gpio);
void omgpio_intr_level(unsigned int gpio, unsigned int level);
void *omgpio_intr_establish(unsigned int gpio, int level, int spl,
int (*func)(void *), void *arg, char *name);
void omgpio_intr_disestablish(void *cookie);
#endif /* OMGPIOVAR_H */
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