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      1 /*	$NetBSD: pio.h,v 1.5 2005/12/11 12:16:39 christos 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_*/
     60