/*      $NetBSD: lpt_mainbus.c,v 1.12 2011/07/09 16:03:01 matt Exp $    */

/*-
* Copyright (c) 2001 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.
*
* 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.
*/

#include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */

__KERNEL_RCSID(0, "$NetBSD: lpt_mainbus.c,v 1.12 2011/07/09 16:03:01 matt Exp $");

#include <sys/param.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/intr.h>
#include <sys/ioctl.h>
#include <sys/systm.h>

#include <algor/autoconf.h>

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

struct lpt_mainbus_softc {
       struct lpt_softc sc_lpt;        /* real "lpt" softc */

       /* mainbus-specific goo. */
       void    *sc_ih;                 /* interrupt handler */
};

int     lpt_mainbus_match(device_t, cfdata_t , void *);
void    lpt_mainbus_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(lpt_mainbus, sizeof(struct lpt_mainbus_softc),
   lpt_mainbus_match, lpt_mainbus_attach, NULL, NULL);

int
lpt_mainbus_match(device_t parent, cfdata_t match, void *aux)
{
       struct mainbus_attach_args *ma = aux;

       /* Always present. */
       if (strcmp(ma->ma_name, match->cf_name) == 0)
               return (1);

       return (0);
}

void
lpt_mainbus_attach(device_t parent, device_t self, void *aux)
{
       struct lpt_mainbus_softc *msc = device_private(self);
       struct lpt_softc *sc = &msc->sc_lpt;
       struct mainbus_attach_args *ma = aux;

       sc->sc_dev = self;
       sc->sc_iot = ma->ma_st;

       if (bus_space_map(sc->sc_iot, ma->ma_addr, LPT_NPORTS, 0,
           &sc->sc_ioh) != 0) {
               aprint_error(": can't map i/o space\n");
               return;
       }

       aprint_normal("\n");
       aprint_naive("\n");

       lpt_attach_subr(sc);

       sc->sc_ih = (*algor_intr_establish)(ma->ma_irq, lptintr, sc);
       if (msc->sc_ih == NULL) {
               aprint_normal_dev(self, "unable to establish interrupt\n");
               return;
       }
}