1 /* $NetBSD: g2bus.c,v 1.1 2001/01/31 18:33:24 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 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/conf.h> 39 #include <sys/malloc.h> 40 #include <sys/device.h> 41 #include <sys/proc.h> 42 43 #include <dreamcast/dev/g2/g2busvar.h> 44 45 int g2busmatch(struct device *, struct cfdata *, void *); 46 void g2busattach(struct device *, struct device *, void *); 47 int g2busprint(void *, const char *); 48 49 struct cfattach g2bus_ca = { 50 sizeof(struct g2bus_softc), g2busmatch, g2busattach 51 }; 52 53 int g2bussearch(struct device *, struct cfdata *, void *); 54 55 int 56 g2busmatch(struct device *parent, struct cfdata *cf, void *aux) 57 { 58 struct shb_attach_args *sa = aux; 59 60 if (strcmp("g2bus", cf->cf_driver->cd_name)) 61 return (0); 62 63 sa->ia_iosize = 0 /* */; 64 return (1); 65 } 66 67 void 68 g2busattach(struct device *parent, struct device *self, void *aux) 69 { 70 struct g2bus_softc *sc = (void *) self; 71 struct g2bus_attach_args ga; 72 73 printf("\n"); 74 75 TAILQ_INIT(&sc->sc_subdevs); 76 77 g2bus_bus_mem_init(sc); 78 79 ga.ga_memt = &sc->sc_memt; 80 81 config_search(g2bussearch, self, &ga); 82 } 83 84 int 85 g2busprint(void *aux, const char *pnp) 86 { 87 88 return (UNCONF); 89 } 90 91 int 92 g2bussearch(struct device *parent, struct cfdata *cf, void *aux) 93 { 94 95 if ((*cf->cf_attach->ca_match)(parent, cf, aux) > 0) 96 config_attach(parent, cf, aux, g2busprint); 97 98 return (0); 99 } 100