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/* $OpenBSD: daadio.c,v 1.1 1999/07/23 19:11:24 jason Exp $ */
/*
* Copyright (c) 1999 Jason L. Wright (jason@thought.net)
* All rights reserved.
*
* This software was developed by Jason L. Wright under contract with
* RTMX Incorporated (http://www.rtmx.com).
*
* 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 Jason L. Wright for
* RTMX Incorporated.
* 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 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.
*/
/*
* Driver for the MATRIX Corporation MD-DAADIO digital->analog,
* analog->digial, parallel i/o VME board.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <machine/autoconf.h>
#include <sparc/cpu.h>
#include <sparc/sparc/cpuvar.h>
#include <sparc/dev/sbusvar.h>
#include <sparc/dev/dmareg.h> /* for SBUS_BURST_* */
#include <sparc/dev/fgareg.h>
#include <sparc/dev/fgavar.h>
#include <sparc/dev/daadioreg.h>
int daadiomatch __P((struct device *, void *, void *));
void daadioattach __P((struct device *, struct device *, void *));
int daadiointr __P((void *));
struct daadio_softc {
struct device sc_dv; /* base device */
struct daadioregs *sc_regs; /* registers */
struct intrhand sc_ih; /* interrupt vectoring */
u_int8_t sc_ier; /* software copy of ier */
};
struct cfattach daadio_ca = {
sizeof (struct daadio_softc), daadiomatch, daadioattach
};
struct cfdriver daadio_cd = {
NULL, "daadio", DV_DULL
};
void daadio_ier_setbit __P((struct daadio_softc *, u_int8_t));
void daadio_ier_clearbit __P((struct daadio_softc *, u_int8_t));
int
daadiomatch(parent, vcf, aux)
struct device *parent;
void *vcf, *aux;
{
struct cfdata *cf = vcf;
struct confargs *ca = aux;
struct daadioregs *regs;
if (ca->ca_bustype != BUS_FGA_A16D16)
return (0);
if (strcmp(ca->ca_ra.ra_name, cf->cf_driver->cd_name))
return (0);
if (ca->ca_ra.ra_reg[0].rr_len < sizeof(struct daadioboard))
return (0);
regs = ca->ca_ra.ra_reg[0].rr_paddr;
if (probeget((caddr_t)®s->sid, 1) != -1)
return (1);
return (0);
}
void
daadioattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct confargs *ca = aux;
struct daadio_softc *sc = (struct daadio_softc *)self;
sc->sc_regs = mapiodev(&(ca->ca_ra.ra_reg[0]), 0,
sizeof(struct daadioboard));
sc->sc_regs->pio_pattern = sc->sc_regs->pio_porta;
sc->sc_regs->sid = ca->ca_ra.ra_intr[0].int_vec;
sc->sc_regs->gvrilr &= ~ILR_IRQ_MASK;
sc->sc_regs->gvrilr |= (ca->ca_ra.ra_intr[0].int_pri << ILR_IRQ_SHIFT)
& ILR_IRQ_MASK;
sc->sc_ih.ih_fun = daadiointr;
sc->sc_ih.ih_arg = sc;
fvmeintrestablish(parent, ca->ca_ra.ra_intr[0].int_vec,
ca->ca_ra.ra_intr[0].int_pri, &sc->sc_ih);
daadio_ier_setbit(sc, IER_PIOEVENT);
printf(": level %d vec 0x%x\n",
ca->ca_ra.ra_intr[0].int_pri, ca->ca_ra.ra_intr[0].int_vec);
}
int
daadiointr(vsc)
void *vsc;
{
struct daadio_softc *sc = vsc;
struct daadioregs *regs = sc->sc_regs;
u_int8_t val;
int r = 0;
if (regs->isr & ISR_PIOEVENT) {
val = regs->pio_porta;
printf("pio value: %x\n", val);
r |= 1;
regs->pio_pattern = val;
}
return (r);
}
void
daadio_ier_setbit(sc, v)
struct daadio_softc *sc;
u_int8_t v;
{
sc->sc_ier |= v;
sc->sc_regs->ier = sc->sc_ier;
}
void
daadio_ier_clearbit(sc, v)
struct daadio_softc *sc;
u_int8_t v;
{
sc->sc_ier &= ~v;
sc->sc_regs->ier = sc->sc_ier;
}
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