1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * William Jolitz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef _ISA_ISA_H_
36#define	_ISA_ISA_H_
37
38/*
39 * ISA Bus conventions
40 */
41
42/*
43 * Input / Output Port Assignments
44 */
45#ifndef IO_ISABEGIN
46#define	IO_ISABEGIN	0x000		/* 0x000 - Beginning of I/O Registers */
47#define	IO_ICU1		0x020		/* 8259A Interrupt Controller #1 */
48#define	IO_KBD		0x060		/* 8042 Keyboard */
49#define	IO_RTC		0x070		/* RTC */
50#define	IO_ICU2		0x0A0		/* 8259A Interrupt Controller #2 */
51
52#define	IO_MDA		0x3B0		/* Monochome Adapter */
53#define	IO_VGA		0x3C0		/* E/VGA Ports */
54#define	IO_CGA		0x3D0		/* CGA Ports */
55
56#endif /* !IO_ISABEGIN */
57
58/*
59 * Input / Output Port Sizes
60 */
61#define	IO_CGASIZE	12		/* CGA controllers */
62#define	IO_MDASIZE	12		/* Monochrome display controllers */
63#define	IO_VGASIZE	16		/* VGA controllers */
64
65#endif /* !_ISA_ISA_H_ */
66