1/* $NetBSD: mc6845reg.h,v 1.2.2.3 2004/09/21 13:28:04 skrll Exp $ */
2
3/*
4 * Copyright (c) 1998
5 *	Matthias Drochner.  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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29struct reg_mc6845 { /* indexed via port 0x3d4 (mono 0x3b4) */
30	u_int8_t htotal, hdisple, hblanks, hblanke;
31	u_int8_t hsyncs, hsynce, vtotal, overfll;
32	u_int8_t irowaddr, maxrow, curstart, curend;
33	u_int8_t startadrh, startadrl, cursorh, cursorl;
34	u_int8_t vsyncs, vsynce, vde, offset;
35	u_int8_t uloc, vbstart, vbend, mode;
36	u_int8_t splitl;
37};
38
39#define MC6845_NREGS	25
40#define MC6845_INDEX	0x4
41#define MC6845_DATA	0x5
42