xref: /minix/sys/arch/arm/include/pio.h (revision 0a6a1f1d)
1 /*	$NetBSD: pio.h,v 1.3 2014/01/29 00:42:15 matt Exp $	*/
2 
3 /*
4  * Copyright 1997
5  * Digital Equipment Corporation. All rights reserved.
6  *
7  * This software is furnished under license and may be used and
8  * copied only in accordance with the following terms and conditions.
9  * Subject to these conditions, you may download, copy, install,
10  * use, modify and distribute this software in source and/or binary
11  * form. No title or ownership is transferred hereby.
12  *
13  * 1) Any source code used, modified or distributed must reproduce
14  *    and retain this copyright notice and list of conditions as
15  *    they appear in the source file.
16  *
17  * 2) No right is granted to use any trade name, trademark, or logo of
18  *    Digital Equipment Corporation. Neither the "Digital Equipment
19  *    Corporation" name nor any trademark or logo of Digital Equipment
20  *    Corporation may be used to endorse or promote products derived
21  *    from this software without the prior written permission of
22  *    Digital Equipment Corporation.
23  *
24  * 3) This software is provided "AS-IS" and any express or implied
25  *    warranties, including but not limited to, any implied warranties
26  *    of merchantability, fitness for a particular purpose, or
27  *    non-infringement are disclaimed. In no event shall DIGITAL be
28  *    liable for any damages whatsoever, and in particular, DIGITAL
29  *    shall not be liable for special, indirect, consequential, or
30  *    incidental damages or damages for lost profits, loss of
31  *    revenue or loss of use, whether such damages arise in contract,
32  *    negligence, tort, under statute, in equity, at law or otherwise,
33  *    even if advised of the possibility of such damage.
34  */
35 
36 #ifndef _ARM_PIO_H_
37 #define _ARM_PIO_H_
38 
39 #include <sys/bus.h>
40 
41 extern struct bus_space isa_io_bs_tag;
42 
43 #define	inb(port)	 bus_space_read_1( &isa_io_bs_tag, (bus_space_handle_t)isa_io_bs_tag.bs_cookie, (port))
44 #define	outb(port, byte) bus_space_write_1(&isa_io_bs_tag, (bus_space_handle_t)isa_io_bs_tag.bs_cookie, (port), (byte))
45 
46 #endif /* _ARM_PIO_H_ */
47