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/* $OpenBSD: joy_isa.c,v 1.7 2007/08/01 13:18:18 martin Exp $ */
/* $NetBSD: joy.c,v 1.3 1996/05/05 19:46:15 christos Exp $ */
/*-
* Copyright (c) 1995 Jean-Marc Zucconi
* All rights reserved.
*
* Ported to NetBSD by Matthieu Herrb <matthieu@laas.fr>
*
* 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
* in this position and unchanged.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <sys/errno.h>
#include <machine/cpu.h>
#include <machine/pio.h>
#include <machine/cpufunc.h>
#include <machine/joystick.h>
#include <machine/conf.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isareg.h>
#include <dev/ic/i8253reg.h>
#include <i386/isa/joyreg.h>
int joy_isa_probe(struct device *, void *, void *);
void joy_isa_attach(struct device *, struct device *, void *);
struct cfattach joy_isa_ca = {
sizeof(struct joy_softc), joy_isa_probe, joy_isa_attach
};
int
joy_isa_probe(struct device *parent, void *match, void *aux)
{
struct isa_attach_args *ia = aux;
#ifdef WANT_JOYSTICK_CONNECTED
int iobase = ia->ia_iobase;
outb(iobase, 0xff);
DELAY(10000); /* 10 ms delay */
return (inb(iobase) & 0x0f) != 0x0f;
#else
ia->ia_iosize = JOY_NPORTS;
ia->ia_msize = 0;
return 1;
#endif
}
void
joy_isa_attach(struct device *parent, struct device *self, void *aux)
{
struct joy_softc *sc = (void *) self;
struct isa_attach_args *ia = aux;
int iobase = ia->ia_iobase;
sc->port = iobase;
sc->timeout[0] = sc->timeout[1] = 0;
outb(iobase, 0xff);
DELAY(10000); /* 10 ms delay */
#if 0
printf(": joystick%sconnected\n",
(inb(iobase) & 0x0f) == 0x0f ? " not " : " ");
#else
printf("\n");
#endif
}
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