1 /* $NetBSD: intio.c,v 1.6 1998/01/12 18:31:00 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1998 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 hp300 internal i/o space. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <hp300/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 int 59 intiomatch(parent, match, aux) 60 struct device *parent; 61 struct cfdata *match; 62 void *aux; 63 { 64 static int intio_matched = 0; 65 66 /* Allow only one instance. */ 67 if (intio_matched) 68 return (0); 69 70 intio_matched = 1; 71 return (1); 72 } 73 74 void 75 intioattach(parent, self, aux) 76 struct device *parent, *self; 77 void *aux; 78 { 79 80 printf("\n"); 81 82 /* Search for and attach children. */ 83 config_search(intiosearch, self, NULL); 84 } 85 86 int 87 intioprint(aux, pnp) 88 void *aux; 89 const char *pnp; 90 { 91 struct intio_attach_args *ia = aux; 92 93 if (ia->ia_addr != 0) 94 printf(" addr 0x%lx", ia->ia_addr); 95 return (UNCONF); 96 } 97 98 int 99 intiosearch(parent, cf, aux) 100 struct device *parent; 101 struct cfdata *cf; 102 void *aux; 103 { 104 struct intio_attach_args ia; 105 106 bzero(&ia, sizeof(ia)); 107 ia.ia_bst = HP300_BUS_SPACE_INTIO; 108 if ((*cf->cf_attach->ca_match)(parent, cf, &ia) > 0) 109 config_attach(parent, cf, &ia, intioprint); 110 return (0); 111 } 112