1 /* $NetBSD: g2bus.c,v 1.15 2021/04/24 23:36:31 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Marcus Comstedt 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Marcus Comstedt. 18 * 4. Neither the name of The NetBSD Foundation nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: g2bus.c,v 1.15 2021/04/24 23:36:31 thorpej Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/conf.h> 43 #include <sys/malloc.h> 44 #include <sys/device.h> 45 #include <sys/proc.h> 46 47 #include <dreamcast/dev/g2/g2busvar.h> 48 49 int g2busmatch(device_t, cfdata_t, void *); 50 void g2busattach(device_t, device_t, void *); 51 int g2busprint(void *, const char *); 52 53 CFATTACH_DECL_NEW(g2bus, sizeof(struct g2bus_softc), 54 g2busmatch, g2busattach, NULL, NULL); 55 56 int g2bussearch(device_t, cfdata_t, const int *, void *); 57 58 int 59 g2busmatch(device_t parent, cfdata_t cf, void *aux) 60 { 61 62 return 1; 63 } 64 65 void 66 g2busattach(device_t parent, device_t self, void *aux) 67 { 68 struct g2bus_softc *sc = device_private(self); 69 struct g2bus_attach_args ga; 70 71 sc->sc_dev = self; 72 printf("\n"); 73 74 TAILQ_INIT(&sc->sc_subdevs); 75 76 g2bus_bus_mem_init(sc); 77 78 ga.ga_memt = &sc->sc_memt; 79 80 config_search(self, &ga, 81 CFARG_SEARCH, g2bussearch, 82 CFARG_EOL); 83 } 84 85 int 86 g2busprint(void *aux, const char *pnp) 87 { 88 89 return UNCONF; 90 } 91 92 int 93 g2bussearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 94 { 95 96 if (config_probe(parent, cf, aux)) 97 config_attach(parent, cf, aux, g2busprint, CFARG_EOL); 98 99 return 0; 100 } 101