/*      $NetBSD: hil_gsc.c,v 1.1 2014/02/24 07:23:43 skrll Exp $        */
/*      $OpenBSD: hil_gsc.c,v 1.5 2005/12/22 07:09:52 miod Exp $        */
/*
* Copyright (c) 2003, 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/cpu.h>
#include <sys/bus.h>

#include <machine/intr.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>

#include <hppa/dev/cpudevs.h>
#include <hppa/gsc/gscbusvar.h>
#include <hppa/hppa/machdep.h>

#include <machine/hil_machdep.h>

#include <dev/hil/hilvar.h>

static int      hil_gsc_match(device_t, cfdata_t, void *);
static void     hil_gsc_attach(device_t, device_t, void *);

struct hil_gsc_softc {
       struct hil_softc sc_hs;
       int sc_hil_console;
       void *sc_ih;
};

CFATTACH_DECL_NEW(hil_gsc, sizeof(struct hil_gsc_softc),
   hil_gsc_match, hil_gsc_attach, NULL, NULL);

int
hil_gsc_match(device_t parent, cfdata_t cf, void *aux)
{
       struct gsc_attach_args *ga = aux;

       if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
           ga->ga_type.iodc_sv_model != HPPA_FIO_HIL)
               return 0;

       return 1;
}

void
hil_gsc_attach(device_t parent, device_t self, void *aux)
{
       struct hil_gsc_softc *gsc = device_private(self);
       struct hil_softc *sc = &gsc->sc_hs;
       struct gsc_attach_args *ga = aux;
       int pagezero_cookie;

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

       pagezero_cookie = hppa_pagezero_map();
       gsc->sc_hil_console = ga->ga_dp.dp_mod == PAGE0->mem_kbd.pz_dp.dp_mod &&
           memcmp(ga->ga_dp.dp_bc, PAGE0->mem_kbd.pz_dp.dp_bc, 6) == 0;
       hppa_pagezero_unmap(pagezero_cookie);

       hil_attach(sc, &gsc->sc_hil_console);

       gsc->sc_ih = hppa_intr_establish(IPL_TTY, hil_intr, sc,
           ga->ga_ir, ga->ga_irq);

       config_interrupts(self, hil_attach_deferred);
}