/*      $NetBSD: hil_intio.c,v 1.5 2024/01/16 05:48:28 thorpej Exp $    */
/*      $OpenBSD: hil_intio.c,v 1.8 2007/01/06 20:10:57 miod Exp $      */

/*
* Copyright (c) 2005, Miodrag Vallat.
* 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.
*
* 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 "wsdisplay.h"

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

#include <machine/intr.h>

#include <dev/cons.h>
#if NWSDISPLAY > 0
#include <dev/wscons/wsdisplayvar.h>
#endif

#include <hp300/dev/intiovar.h>

#include <machine/hil_machdep.h>
#include <dev/hil/hilvar.h>

static int      hil_intio_match(device_t, cfdata_t, void *);
static void     hil_intio_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(hil_intio, sizeof(struct hil_softc),
   hil_intio_match, hil_intio_attach, NULL, NULL);

int
hil_intio_match(device_t parent, cfdata_t cf, void *aux)
{
       struct intio_attach_args *ia = aux;
       static int hil_matched = 0;

       if (strcmp("hil", ia->ia_modname) != 0)
               return 0;

       /* Allow only one instance. */
       if (hil_matched != 0)
               return 0;

       if (badaddr((void *)ia->ia_addr))       /* should not happen! */
               return 0;

       return 1;
}

int hil_is_console = -1;        /* undecided */

void
hil_intio_attach(device_t parent, device_t self, void *aux)
{
       struct hil_softc *sc = device_private(self);
       struct intio_attach_args *ia = aux;

       sc->sc_dev = self;
       sc->sc_bst = ia->ia_bst;
       if (bus_space_map(sc->sc_bst, ia->ia_iobase,
           HILMAPSIZE, 0, &sc->sc_bsh) != 0) {
               aprint_error(": couldn't map hil controller\n");
               return;
       }

       /*
        * Check that the configured console device is a wsdisplay.
        */
#if NWSDISPLAY > 0
       if (cn_tab->cn_putc != wsdisplay_cnputc)
#endif
       {
               hil_is_console = 0;
       }

       hil_attach(sc, &hil_is_console);
       intr_establish(hil_intr, sc, ia->ia_ipl, ISRPRI_TTY);

       config_interrupts(self, hil_attach_deferred);
}