1 /* $NetBSD: shb.c,v 1.15 2021/04/24 23:36:48 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 1.15 2021/04/24 23:36:48 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 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 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 CFARG_SEARCH, shb_search, 69 CFARG_EOL); 70 71 /* 72 * XXX: TODO: provide hooks to manage on-chip modules. For 73 * now register null hooks which is no worse than before. 74 */ 75 if (!pmf_device_register(self, NULL, NULL)) 76 aprint_error_dev(self, "unable to establish power handler\n"); 77 } 78 79 static int 80 shb_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 81 { 82 83 if (config_probe(parent, cf, NULL)) 84 config_attach(parent, cf, NULL, shb_print, CFARG_EOL); 85 86 return (0); 87 } 88 89 static int 90 shb_print(void *aux, const char *pnp) 91 { 92 93 return (pnp ? QUIET : UNCONF); 94 } 95