/* $OpenBSD: imxgpiovar.h,v 1.1 2013/09/06 20:45:53 patrick Exp $ */ /* * Copyright (c) 2007,2009 Dale Rahn * Copyright (c) 2012-2013 Patrick Wildt * * 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 IMXGPIOVAR_H #define IMXGPIOVAR_H #define IMXGPIO_DIR_IN 0 #define IMXGPIO_DIR_OUT 1 unsigned int imxgpio_get_function(unsigned int gpio, unsigned int fn); void imxgpio_set_function(unsigned int gpio, unsigned int fn); unsigned int imxgpio_get_bit(unsigned int gpio); void imxgpio_set_bit(unsigned int gpio); void imxgpio_clear_bit(unsigned int gpio); void imxgpio_set_dir(unsigned int gpio, unsigned int dir); /* interrupts */ void imxgpio_clear_intr(unsigned int gpio); void imxgpio_intr_mask(unsigned int gpio); void imxgpio_intr_unmask(unsigned int gpio); void imxgpio_intr_level(unsigned int gpio, unsigned int level); void *imxgpio_intr_establish(unsigned int gpio, int level, int spl, int (*func)(void *), void *arg, char *name); void imxgpio_intr_disestablish(void *cookie); #endif /* IMXGPIOVAR_H */