omgpiovar.h

   1 /* $OpenBSD: omgpiovar.h,v 1.2 2013/11/20 13:32:40 rapha Exp $ */
   2 /*
   3  * Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef OMGPIOVAR_H
  19 #define OMGPIOVAR_H
  20
  21 #define OMGPIO_DIR_IN   0
  22 #define OMGPIO_DIR_OUT  1
  23
  24 unsigned int omgpio_get_function(unsigned int gpio, unsigned int fn);
  25 void omgpio_set_function(unsigned int gpio, unsigned int fn);
  26 unsigned int omgpio_get_bit(unsigned int gpio);
  27 void omgpio_set_bit(unsigned int gpio);
  28 void omgpio_clear_bit(unsigned int gpio);
  29 void omgpio_set_dir(unsigned int gpio, unsigned int dir);
  30
  31 int omgpio_pin_read(void *arg, int pin);
  32 void omgpio_pin_write(void *arg, int pin, int value);
  33 void omgpio_pin_ctl(void *arg, int pin, int flags);
  34
  35 /* interrupts */
  36 void omgpio_clear_intr(unsigned int gpio);
  37 void omgpio_intr_mask(unsigned int gpio);
  38 void omgpio_intr_unmask(unsigned int gpio);
  39 void omgpio_intr_level(unsigned int gpio, unsigned int level);
  40 void *omgpio_intr_establish(unsigned int gpio, int level, int spl,
  41     int (*func)(void *), void *arg, char *name);
  42 void omgpio_intr_disestablish(void *cookie);
  43
  44 #endif /* OMGPIOVAR_H */