Annotation of sys/dev/ic/mc6845reg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: mc6845reg.h,v 1.2 2004/04/02 04:39:50 deraadt Exp $ */
2: /* $NetBSD: mc6845reg.h,v 1.1 1998/05/28 16:48:40 drochner Exp $ */
3:
4: /*
5: * Copyright (c) 1998
6: * Matthias Drochner. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27: *
28: */
29:
30: struct reg_mc6845 { /* indexed via port 0x3d4 (mono 0x3b4) */
31: char htotal, hdisple, hblanks, hblanke;
32: char hsyncs, hsynce, vtotal, overfll;
33: char irowaddr, maxrow, curstart, curend;
34: char startadrh, startadrl, cursorh, cursorl;
35: char vsyncs, vsynce, vde, offset;
36: char uloc, vbstart, vbend, mode;
37: char splitl;
38: };
39: #define MC6845_INDEX 4
40: #define MC6845_DATA 5
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