NetBSD/sys/dev/ofisa/joy_ofisa.c

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/* $NetBSD: joy_ofisa.c,v 1.3 2002/02/03 23:17:58 pooka Exp $ */
/*-
* Copyright (c) 1996, 1998 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.
*/
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#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: joy_ofisa.c,v 1.3 2002/02/03 23:17:58 pooka Exp $");
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#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/ofw/openfirm.h>
#include <dev/isa/isavar.h>
#include <dev/ofisa/ofisavar.h>
#include <dev/ic/joyvar.h>
#define JOY_NPORTS 1 /* XXX should be in a header file */
int joy_ofisa_match __P((struct device *, struct cfdata *, void *));
void joy_ofisa_attach __P((struct device *, struct device *, void *));
struct cfattach joy_ofisa_ca = {
sizeof(struct joy_softc), joy_ofisa_match, joy_ofisa_attach
};
int
joy_ofisa_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct ofisa_attach_args *aa = aux;
const char *compatible_strings[] = {
"pnpPNP,b02f", /* generic joystick */
NULL,
};
int rv = 0;
if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1)
rv = 1;
return (rv);
}
void
joy_ofisa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct joy_softc *sc = (struct joy_softc *)self;
struct ofisa_attach_args *aa = aux;
struct ofisa_reg_desc reg;
char *model = NULL;
int n;
/*
* We're living on an OFW. We have to ask the OFW what our
* register property looks like.
*
* We expect:
*
* 1 i/o register region
*/
n = ofisa_reg_get(aa->oba.oba_phandle, &reg, 1);
if (n != 1) {
printf(": error getting register data\n");
return;
}
if (reg.type != OFISA_REG_TYPE_IO) {
printf(": register type not i/o\n");
return;
}
if (reg.len != JOY_NPORTS) {
printf(": weird register size (%lu, expected %d)\n",
(unsigned long)reg.len, JOY_NPORTS);
return;
}
sc->sc_iot = aa->iot;
if (bus_space_map(sc->sc_iot, reg.addr, reg.len, 0, &sc->sc_ioh)) {
printf(": unable to map register space\n");
return;
}
n = OF_getproplen(aa->oba.oba_phandle, "model");
if (n > 0) {
model = alloca(n);
if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n)
model = NULL; /* safe; alloca */
}
if (model != NULL)
printf(": %s", model);
printf("\n");
joyattach(sc);
}