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
38extern struct cfdriver shb_cd;
39
40static int shb_match(device_t, cfdata_t, void *);
41static void shb_attach(device_t, device_t, void *);
42static int shb_print(void *, const char *);
43static int shb_search(device_t, cfdata_t, const int *, void *);
44
45CFATTACH_DECL_NEW(shb, 0,
46    shb_match, shb_attach, NULL, NULL);
47
48
49static int
50shb_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
60static void
61shb_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
78static int
79shb_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
88static int
89shb_print(void *aux, const char *pnp)
90{
91
92	return (pnp ? QUIET : UNCONF);
93}
94