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/* $NetBSD: intio.c,v 1.8 2003/07/15 02:59:31 lukem Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Autoconfiguration support for next68k internal i/o space.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: intio.c,v 1.8 2003/07/15 02:59:31 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/autoconf.h>
#include <next68k/dev/intiovar.h>
int intiomatch __P((struct device *, struct cfdata *, void *));
void intioattach __P((struct device *, struct device *, void *));
int intioprint __P((void *, const char *));
int intiosearch __P((struct device *, struct cfdata *, void *));
CFATTACH_DECL(intio, sizeof(struct device),
intiomatch, intioattach, NULL, NULL);
#if 0
struct cfdriver intio_cd = {
NULL, "intio", DV_DULL
};
#endif
static int intio_attached = 0;
int
intiomatch(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
/* Allow only one instance. */
if (intio_attached)
return (0);
return (1);
}
void
intioattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
printf("\n");
/* Search for and attach children. */
config_search(intiosearch, self, aux);
intio_attached = 1;
}
int
intioprint(aux, pnp)
void *aux;
const char *pnp;
{
struct intio_attach_args *ia = aux;
if (ia->ia_addr)
aprint_normal(" addr %p", ia->ia_addr);
return (UNCONF);
}
int
intiosearch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct mainbus_attach_args *mba = (struct mainbus_attach_args *) aux;
struct intio_attach_args ia;
do {
ia.ia_addr = NULL;
ia.ia_bst = NEXT68K_INTIO_BUS_SPACE;
ia.ia_dmat = mba->mba_dmat;
if (config_match(parent, cf, &ia) == 0)
break;
config_attach(parent, cf, &ia, intioprint);
} while (cf->cf_fstate == FSTATE_STAR);
return (0);
}
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