1 /* $NetBSD: intio.c,v 1.2 1999/01/28 11:46:23 dbj Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Autoconfiguration support for next68k internal i/o space. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <next68k/dev/intiovar.h> 48 49 int intiomatch __P((struct device *, struct cfdata *, void *)); 50 void intioattach __P((struct device *, struct device *, void *)); 51 int intioprint __P((void *, const char *)); 52 int intiosearch __P((struct device *, struct cfdata *, void *)); 53 54 struct cfattach intio_ca = { 55 sizeof(struct device), intiomatch, intioattach 56 }; 57 58 #if 0 59 struct cfdriver intio_cd = { 60 NULL, "intio", DV_DULL 61 }; 62 #endif 63 64 int 65 intiomatch(parent, match, aux) 66 struct device *parent; 67 struct cfdata *match; 68 void *aux; 69 { 70 static int intio_matched = 0; 71 72 /* Allow only one instance. */ 73 if (intio_matched) 74 return (0); 75 76 intio_matched = 1; 77 return (1); 78 } 79 80 void 81 intioattach(parent, self, aux) 82 struct device *parent, *self; 83 void *aux; 84 { 85 86 printf("\n"); 87 88 /* Search for and attach children. */ 89 config_search(intiosearch, self, NULL); 90 } 91 92 int 93 intioprint(aux, pnp) 94 void *aux; 95 const char *pnp; 96 { 97 struct intio_attach_args *ia = aux; 98 99 if (ia->ia_addr != 0) 100 printf(" addr %p", ia->ia_addr); 101 return (UNCONF); 102 } 103 104 int 105 intiosearch(parent, cf, aux) 106 struct device *parent; 107 struct cfdata *cf; 108 void *aux; 109 { 110 struct intio_attach_args ia; 111 112 bzero(&ia, sizeof(ia)); 113 if ((*cf->cf_attach->ca_match)(parent, cf, &ia) > 0) { 114 config_attach(parent, cf, &ia, intioprint); 115 } 116 return (0); 117 } 118