NetBSD/sys/arch/arm/iomd/opms_iomd.c

114 lines
3.5 KiB
C

/* $NetBSD: opms_iomd.c,v 1.5 2002/10/02 15:45:12 thorpej Exp $ */
/*-
* Copyright (c) 1996 D.C. Tsen
* Copyright (c) 1994 Charles M. Hannum.
* Copyright (c) 1992, 1993 Erik Forsberg.
* All rights reserved.
*
* 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 RiscBSD team.
* 4. 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 AUTHORS ``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 AUTHORS 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.
*
* from: opms.c,v 1.24 1995/12/24 02:30:28 mycroft Exp
*/
/*
* Ported from 386 version of PS/2 mouse driver.
* D.C. Tsen
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/device.h>
#include <sys/select.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <arm/iomd/iomdvar.h>
#include <arm/iomd/opmsvar.h>
static int opms_iomd_probe __P((struct device *, struct cfdata *, void *));
static void opms_iomd_attach __P((struct device *, struct device *, void *));
static void opms_iomd_intenable __P((struct opms_softc *sc, int enable));
CFATTACH_DECL(opms_iomd, sizeof(struct opms_softc),
opms_iomd_probe, opms_iomd_attach, NULL, NULL);
static int
opms_iomd_probe(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct opms_attach_args *pa = aux;
if (strcmp(pa->pa_name, "opms") == 0)
return(1);
return(0);
}
static void
opms_iomd_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct opms_softc *sc = (void *)self;
struct opms_attach_args *pa = aux;
sc->sc_iot = pa->pa_iot;
sc->sc_ioh = pa->pa_ioh;
sc->sc_irqnum = pa->pa_irq;
sc->sc_intenable = opms_iomd_intenable;
if (opmsinit(sc) != 1) {
printf("Mouse not present\n");
}
printf("\n");
}
static void
opms_iomd_intenable(sc, enable)
struct opms_softc *sc;
int enable;
{
if (enable) {
sc->sc_ih = intr_claim(sc->sc_irqnum, IPL_TTY, "opms", opmsintr, sc);
if (!sc->sc_ih)
panic("%s: Cannot claim interrupt", sc->sc_dev.dv_xname);
} else {
if (intr_release(sc->sc_ih) != 0)
panic("%s: Cannot release IRQ", sc->sc_dev.dv_xname);
}
}
/* End of opms_iomd.c */