sys/arch/arm/at91/at91piovar.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (c) 2007 Embedtronics Oy. All rights reserved.
   5  *
   6  * Based on arch/arm/ep93xx/epgiovar.h
   7  * Copyright (c) 2005 HAMAJIMA Katsuomi. All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 #ifndef _AT91PIOVAR_H_
  32 #define _AT91PIOVAR_H_
  33
  34 typedef enum {
  35   AT91_PIOA,
  36   AT91_PIOB,
  37   AT91_PIOC,
  38   AT91_PIOD,
  39   AT91_PIOE,
  40   AT91_PIOF,
  41   AT91_PIOG,
  42   AT91_PIOH,
  43   AT91_PIO_COUNT,
  44   AT91_PIO_INVALID = AT91_PIO_COUNT
  45 } at91pio_port;
  46
  47 struct at91pio_softc;
  48
  49 struct at91pio_softc *at91pio_sc(at91pio_port);
  50
  51 int at91pio_read(struct at91pio_softc *, int bit);
  52 void at91pio_set(struct at91pio_softc *, int bit);
  53 void at91pio_clear(struct at91pio_softc *, int bit);
  54 void at91pio_in(struct at91pio_softc *, int bit);
  55 void at91pio_out(struct at91pio_softc *, int bit);
  56 void at91pio_per(struct at91pio_softc *, int bit, int perab);
  57
  58 void *at91pio_intr_establish(struct at91pio_softc *,int bit,
  59                                int ipl, int (*)(void *), void *);
  60 void at91pio_intr_disestablish(struct at91pio_softc *,int bit,
  61                                  void *cookie);
  62
  63 struct at91pio_attach_args {
  64         struct at91pio_softc    *paa_sc;
  65         bus_space_tag_t         paa_iot;        /* Bus tag      */
  66         bus_addr_t              paa_addr;       /* i/o address  */
  67         int                     paa_pid;        /* peripheral id */
  68         int                     paa_bit;        /* pin number   */
  69 };
  70
  71 #endif  /* _AT91PIOVAR_H_ */