NetBSD/sys/arch/i386/isa/joy_isapnp.c
mycroft 6ada3afd8b Reject variant numbers which are too large (so that a new version of isapnpdevs
with an old driver will not lose mysteriously).
1999-03-22 10:00:09 +00:00

109 lines
3.4 KiB
C

/* $NetBSD: joy_isapnp.c,v 1.16 1999/03/22 10:00:09 mycroft 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/isa/isavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>
#include <i386/isa/joyvar.h>
int joy_isapnp_match __P((struct device *, struct cfdata *, void *));
void joy_isapnp_attach __P((struct device *, struct device *, void *));
struct cfattach joy_isapnp_ca = {
sizeof(struct joy_softc), joy_isapnp_match, joy_isapnp_attach
};
int
joy_isapnp_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
int pri, variant;
pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant);
if (pri && variant > 0)
pri = 0;
return (pri);
}
void
joy_isapnp_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct joy_softc *sc = (struct joy_softc *)self;
struct isapnp_attach_args *ipa = aux;
bus_space_handle_t ioh;
printf("\n");
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
printf("%s: error in region allocation\n",
sc->sc_dev.dv_xname);
return;
}
if (ipa->ipa_io[0].length == 8) {
if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1,
&ioh) < 0) {
printf("%s: error in region allocation\n",
sc->sc_dev.dv_xname);
return;
}
} else
ioh = ipa->ipa_io[0].h;
sc->sc_iot = ipa->ipa_iot;
sc->sc_ioh = ioh;
printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
ipa->ipa_devclass);
joyattach(sc);
}