112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/* $NetBSD: intio.c,v 1.6 1998/01/12 18:31:00 thorpej Exp $ */
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/*-
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* Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Autoconfiguration support for hp300 internal i/o space.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <hp300/dev/intiovar.h>
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int intiomatch __P((struct device *, struct cfdata *, void *));
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void intioattach __P((struct device *, struct device *, void *));
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int intioprint __P((void *, const char *));
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int intiosearch __P((struct device *, struct cfdata *, void *));
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struct cfattach intio_ca = {
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sizeof(struct device), intiomatch, intioattach
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};
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int
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intiomatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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static int intio_matched = 0;
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/* Allow only one instance. */
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if (intio_matched)
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return (0);
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intio_matched = 1;
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return (1);
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}
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void
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intioattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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printf("\n");
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/* Search for and attach children. */
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config_search(intiosearch, self, NULL);
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}
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int
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intioprint(aux, pnp)
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void *aux;
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const char *pnp;
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{
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struct intio_attach_args *ia = aux;
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if (ia->ia_addr != 0)
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printf(" addr 0x%lx", ia->ia_addr);
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return (UNCONF);
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}
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int
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intiosearch(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct intio_attach_args ia;
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bzero(&ia, sizeof(ia));
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ia.ia_bst = HP300_BUS_SPACE_INTIO;
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if ((*cf->cf_attach->ca_match)(parent, cf, &ia) > 0)
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config_attach(parent, cf, &ia, intioprint);
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return (0);
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}
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