xref: /netbsd-src/sys/dev/mca/mca_subr.c (revision 8ae6144b338cbe44f6f817d2788b84d13957b9e8)
1 /*	$NetBSD: mca_subr.c,v 1.11 2024/05/13 00:01:53 msaitoh 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 1.11 2024/05/13 00:01:53 msaitoh 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 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
mca_devinfo(int id,char * cp,size_t l)63 mca_devinfo(int id, char *cp, size_t l)
64 {
65 #ifdef MCAVERBOSE
66 	const struct mca_knowndev *kdp;
67 
68 	kdp = mca_knowndevs;
69         for (; kdp->name != NULL && kdp->id != id; kdp++);
70 
71 	if (kdp->name != NULL)
72 		snprintf(cp, l, "%s (0x%04x)", kdp->name, id);
73 	else
74 #endif /* MCAVERBOSE */
75 		snprintf(cp, l, "product 0x%04x", id);
76 }
77 
78 /*
79  * Returns true if the device should be attempted to be matched
80  * even through it's disabled. Apparently, some devices were
81  * designed this way.
82  */
83 int
mca_match_disabled(int id)84 mca_match_disabled(int id)
85 {
86 	switch (id) {
87 	case MCA_PRODUCT_SKNETG:
88 		return (1);
89 	}
90 
91 	return (0);
92 }
93