/*      $OpenBSD: lpt_ssio.c,v 1.1 2007/06/20 18:22:15 kettenis Exp $   */

/*
* Copyright (c) 2007 Mark Kettenis
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>

#include <sys/bus.h>

#include <dev/ic/lptreg.h>
#include <dev/ic/lptvar.h>

#include <hppa/dev/ssiovar.h>

int lpt_ssio_match(device_t, cfdata_t, void *);
void lpt_ssio_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(lpt_ssio, sizeof(struct lpt_softc),
   lpt_ssio_match, lpt_ssio_attach, NULL, NULL);

int
lpt_ssio_match(device_t parent, cfdata_t match, void *aux)
{
       cfdata_t cf = match;
       struct ssio_attach_args *saa = aux;

       if (strcmp(saa->saa_name, "lpt") != 0)
               return (0);

       /* Check locators. */
       if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq)
               return (0);

       return (1);
}

void
lpt_ssio_attach(device_t parent, device_t self, void *aux)
{
       struct lpt_softc *sc = device_private(self);
       struct ssio_attach_args *saa = aux;

       sc->sc_dev = self;
       sc->sc_iot = saa->saa_iot;
       if (bus_space_map(sc->sc_iot, saa->saa_iobase, LPT_NPORTS,
           0, &sc->sc_ioh)) {
               aprint_error(": can't map i/o ports\n");
               return;
       }

       lpt_attach_subr(sc);

       sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq,
           lptintr, sc, device_xname(self));

       aprint_normal("\n");
}