sbusvar.h revision 1.1 1 /*
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This software was developed by the Computer Systems Engineering group
6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
7 * contributed to Berkeley.
8 *
9 * All advertising materials mentioning features or use of this software
10 * must display the following acknowledgement:
11 * This product includes software developed by the University of
12 * California, Lawrence Berkeley Laboratory.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. All advertising materials mentioning features or use of this software
23 * must display the following acknowledgement:
24 * This product includes software developed by the University of
25 * California, Berkeley and its contributors.
26 * 4. Neither the name of the University nor the names of its contributors
27 * may be used to endorse or promote products derived from this software
28 * without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 * @(#)sbusvar.h 8.1 (Berkeley) 6/11/93
43 *
44 * from: Header: sbusvar.h,v 1.6 92/11/26 02:28:14 torek Exp (LBL)
45 * $Id: sbusvar.h,v 1.1 1993/10/02 10:23:57 deraadt Exp $
46 */
47
48 /*
49 * S-bus variables.
50 */
51 struct sbusdev {
52 struct device *sd_dev; /* backpointer to generic */
53 struct sbusdev *sd_bchain; /* forward link in bus chain */
54 void (*sd_reset) __P((struct device *));
55 };
56
57 /*
58 * Sbus driver attach arguments.
59 */
60 struct sbus_attach_args {
61 struct romaux sa_ra; /* name, node, addr, etc */
62 int sa_slot; /* Sbus slot number */
63 int sa_offset; /* offset within slot */
64 };
65
66 /* variables per Sbus */
67 struct sbus_softc {
68 struct device sc_dev; /* base device */
69 int sc_clockfreq; /* clock frequency (in Hz) */
70 struct sbusdev *sc_sbdev; /* list of all children */
71 };
72
73 int sbusdev_match __P((struct cfdata *, void *));
74 void sbus_establish __P((struct sbusdev *, struct device *));
75