xref: /netbsd-src/sys/dev/mca/mca_subr.c (revision 56a34939419542e88b386b2229be7565f4f45461)
1 /*	$NetBSD: mca_subr.c,v 1.9 2008/04/28 20:23:53 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * Copyright (c) 1996-1999 Scott D. Telford.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Scott Telford <s.telford@ed.ac.uk>.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * MCA Bus subroutines
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: mca_subr.c,v 1.9 2008/04/28 20:23:53 martin Exp $");
39 
40 #include "opt_mcaverbose.h"
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/device.h>
45 
46 #include <dev/mca/mcavar.h>
47 #include <dev/mca/mcadevs.h>
48 
49 #ifdef MCAVERBOSE
50 /*
51  * Descriptions of of known MCA devices
52  */
53 struct mca_knowndev {
54 	int		 id;		/* MCA ID */
55 	const char	*name;		/* text description */
56 };
57 
58 #include <dev/mca/mcadevs_data.h>
59 
60 #endif /* MCAVERBOSE */
61 
62 void
63 mca_devinfo(id, cp, l)
64 	int id;
65 	char *cp;
66 	size_t l;
67 {
68 #ifdef MCAVERBOSE
69 	const struct mca_knowndev *kdp;
70 
71 	kdp = mca_knowndevs;
72         for (; kdp->name != NULL && kdp->id != id; kdp++);
73 
74 	if (kdp->name != NULL)
75 		snprintf(cp, l, "%s (0x%04x)", kdp->name, id);
76 	else
77 #endif /* MCAVERBOSE */
78 		snprintf(cp, l, "product 0x%04x", id);
79 }
80 
81 /*
82  * Returns true if the device should be attempted to be matched
83  * even through it's disabled. Apparently, some devices were
84  * designed this way.
85  */
86 int
87 mca_match_disabled(id)
88 	int id;
89 {
90 	switch (id) {
91 	case MCA_PRODUCT_SKNETG:
92 		return (1);
93 	}
94 
95 	return (0);
96 }
97