mcclock_pad32.h revision 1.10 1 1.10 simonb /* $NetBSD: mcclock_pad32.h,v 1.10 2000/02/11 02:36:16 simonb Exp $ */
2 1.2 cgd
3 1.2 cgd /*
4 1.2 cgd * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
5 1.2 cgd * All rights reserved.
6 1.2 cgd *
7 1.2 cgd * Author: Chris G. Demetriou
8 1.2 cgd *
9 1.2 cgd * Permission to use, copy, modify and distribute this software and
10 1.2 cgd * its documentation is hereby granted, provided that both the copyright
11 1.2 cgd * notice and this permission notice appear in all copies of the
12 1.2 cgd * software, derivative works or modified versions, and any portions
13 1.2 cgd * thereof, and that both notices appear in supporting documentation.
14 1.2 cgd *
15 1.2 cgd * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 1.2 cgd * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 1.2 cgd * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 1.2 cgd *
19 1.2 cgd * Carnegie Mellon requests users of this software to return to
20 1.2 cgd *
21 1.2 cgd * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
22 1.2 cgd * School of Computer Science
23 1.2 cgd * Carnegie Mellon University
24 1.2 cgd * Pittsburgh PA 15213-3890
25 1.2 cgd *
26 1.2 cgd * any improvements or extensions that they make and grant Carnegie the
27 1.2 cgd * rights to redistribute these changes.
28 1.2 cgd */
29 1.5 cgd
30 1.6 cgd
31 1.9 jonathan /*
32 1.9 jonathan * mc1461818 (or compatible) clock driver, for machines where
33 1.9 jonathan * each byte-wide mcclock chip register is mapped into the low-order
34 1.9 jonathan * byte of a little-endian 32-bit word,
35 1.9 jonathan * DECstation 2100/3100
36 1.9 jonathan * DECstation 5100
37 1.9 jonathan * DECstation 5000/200 baseboard
38 1.9 jonathan * IOCTL asic machines (Alpha 3000 series, Decstation 5000 series)
39 1.9 jonathan */
40 1.9 jonathan struct mcclock_pad32_clockdatum {
41 1.1 cgd u_char datum;
42 1.1 cgd char pad[3];
43 1.1 cgd };
44 1.1 cgd
45 1.9 jonathan /*
46 1.9 jonathan * Device softc used by bus-specific front-end.
47 1.9 jonathan */
48 1.9 jonathan struct mcclock_pad32_softc {
49 1.1 cgd struct mcclock_softc sc_mcclock;
50 1.9 jonathan struct mcclock_pad32_clockdatum *sc_dp;
51 1.1 cgd };
52 1.1 cgd
53 1.9 jonathan /* register read/write functions */
54 1.10 simonb extern const struct mcclock_busfns mcclock_pad32_busfns;
55