xref: /openbsd-src/sys/arch/sh/dev/shb.c (revision 3836e7c723d9c621d1bfafcdf2fb1c68075fdb93)
1 /*	$OpenBSD: shb.c,v 1.4 2024/11/05 18:58:59 miod Exp $	*/
2 /*	$NetBSD: shb.c,v 1.10 2005/12/11 12:18:58 christos Exp $	*/
3 
4 /*-
5  * Copyright (c) 2002 The NetBSD Foundation, Inc.
6  * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/device.h>
33 
34 #include <machine/autoconf.h>
35 
36 int shb_match(struct device *, void *, void *);
37 void shb_attach(struct device *, struct device *, void *);
38 int shb_print(void *, const char *);
39 int shb_search(struct device *, void *, void *);
40 
41 const struct cfattach shb_ca = {
42 	sizeof(struct device), shb_match, shb_attach
43 };
44 
45 struct cfdriver shb_cd = {
46 	NULL, "shb", DV_DULL
47 };
48 
49 int
50 shb_match(struct device *parent, void *vcf, void *aux)
51 {
52 	extern struct cfdriver shb_cd;
53 	struct mainbus_attach_args *ma = aux;
54 
55 	if (strcmp(ma->ma_name, shb_cd.cd_name) != 0)
56 		return (0);
57 
58 	return (1);
59 }
60 
61 void
62 shb_attach(struct device *parent, struct device *self, void *aux)
63 {
64 	printf("\n");
65 
66 	config_search(shb_search, self, aux);
67 }
68 
69 int
70 shb_search(struct device *parent, void *vcf, void *aux)
71 {
72 	struct cfdata *cf = vcf;
73 
74 	if ((*cf->cf_attach->ca_match)(parent, cf, NULL) == 0)
75 		return (0);
76 	config_attach(parent, cf, NULL, shb_print);
77 	return (1);
78 }
79 
80 int
81 shb_print(void *aux, const char *pnp)
82 {
83 	return (UNCONF);
84 }
85