1 /* $NetBSD: shb.c,v 1.16 2021/08/07 16:19:05 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: shb.c,v 1.16 2021/08/07 16:19:05 thorpej Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/device.h>
35
36 #include <machine/autoconf.h>
37
38 extern struct cfdriver shb_cd;
39
40 static int shb_match(device_t, cfdata_t, void *);
41 static void shb_attach(device_t, device_t, void *);
42 static int shb_print(void *, const char *);
43 static int shb_search(device_t, cfdata_t, const int *, void *);
44
45 CFATTACH_DECL_NEW(shb, 0,
46 shb_match, shb_attach, NULL, NULL);
47
48
49 static int
shb_match(device_t parent,cfdata_t cf,void * aux)50 shb_match(device_t parent, cfdata_t cf, void *aux)
51 {
52 struct mainbus_attach_args *ma = aux;
53
54 if (strcmp(ma->ma_name, shb_cd.cd_name) != 0)
55 return (0);
56
57 return (1);
58 }
59
60 static void
shb_attach(device_t parent,device_t self,void * aux)61 shb_attach(device_t parent, device_t self, void *aux)
62 {
63
64 aprint_naive("\n");
65 aprint_normal("\n");
66
67 config_search(self, NULL,
68 CFARGS(.search = shb_search));
69
70 /*
71 * XXX: TODO: provide hooks to manage on-chip modules. For
72 * now register null hooks which is no worse than before.
73 */
74 if (!pmf_device_register(self, NULL, NULL))
75 aprint_error_dev(self, "unable to establish power handler\n");
76 }
77
78 static int
shb_search(device_t parent,cfdata_t cf,const int * ldesc,void * aux)79 shb_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
80 {
81
82 if (config_probe(parent, cf, NULL))
83 config_attach(parent, cf, NULL, shb_print, CFARGS_NONE);
84
85 return (0);
86 }
87
88 static int
shb_print(void * aux,const char * pnp)89 shb_print(void *aux, const char *pnp)
90 {
91
92 return (pnp ? QUIET : UNCONF);
93 }
94