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