sys/arch/arc/include/pio.h

   1 /*      $NetBSD: pio.h,v 1.3.28.1 2005/01/24 08:33:58 skrll Exp $       */
   2 /*      $OpenBSD: pio.h,v 1.3 1997/04/19 17:19:58 pefo Exp $    */
   3
   4 /*
   5  * Copyright (c) 1995 Per Fogelstrom.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Per Fogelstrom.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _ARC_PIO_H_
  34 #define _ARC_PIO_H_
  35 /*
  36  * I/O macros.
  37  */
  38
  39 #define outb(a,v)       (*(volatile unsigned char*)(a) = (v))
  40 #define outw(a,v)       (*(volatile unsigned short*)(a) = (v))
  41 #define out16(a,v)      outw(a,v)
  42 #define outl(a,v)       (*(volatile unsigned int*)(a) = (v))
  43 #define out32(a,v)      outl(a,v)
  44 #define inb(a)          (*(volatile unsigned char*)(a))
  45 #define inw(a)          (*(volatile unsigned short*)(a))
  46 #define in16(a)         inw(a)
  47 #define inl(a)          (*(volatile unsigned int*)(a))
  48 #define in32(a)         inl(a)
  49
  50 void insb(uint8_t *, uint8_t *,int);
  51 void insw(uint16_t *, uint16_t *,int);
  52 void insl(uint32_t *, uint32_t *,int);
  53 void outsb(uint8_t *, const uint8_t *,int);
  54 void outsw(uint16_t *, const uint16_t *,int);
  55 void outsl(uint32_t *, const uint32_t *,int);
  56
  57 extern struct arc_bus_space arc_bus_io, arc_bus_mem;
  58
  59 #endif /*_ARC_PIO_H_*/