xref: /netbsd/sys/arch/arc/include/pio.h (revision bf9ec67e)
1 /*	$NetBSD: pio.h,v 1.3 2000/06/09 05:42:01 soda 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 __P((u_int8_t *, u_int8_t *,int));
51 void insw __P((u_int16_t *, u_int16_t *,int));
52 void insl __P((u_int32_t *, u_int32_t *,int));
53 void outsb __P((u_int8_t *, const u_int8_t *,int));
54 void outsw __P((u_int16_t *, const u_int16_t *,int));
55 void outsl __P((u_int32_t *, const u_int32_t *,int));
56 
57 extern struct arc_bus_space arc_bus_io, arc_bus_mem;
58 
59 #endif /*_ARC_PIO_H_*/
60