/*      $NetBSD: spc.c,v 1.35 2008/12/18 05:56:42 isaki Exp $   */

/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jarle Greipsland, Charles M. Hannum and Masaru Oki.
*
* 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>
__KERNEL_RCSID(0, "$NetBSD: spc.c,v 1.35 2008/12/18 05:56:42 isaki Exp $");

#include "opt_ddb.h"

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

#include <machine/bus.h>
#include <machine/cpu.h>

#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>

#include <arch/x68k/dev/intiovar.h>
#include <arch/x68k/dev/scsiromvar.h>
#include <arch/x68k/x68k/iodevice.h>

#include <dev/ic/mb89352var.h>
#include <dev/ic/mb89352reg.h>

static int spc_intio_match(device_t, cfdata_t, void *);
static void spc_intio_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(spc_intio, sizeof(struct spc_softc),
   spc_intio_match, spc_intio_attach, NULL, NULL);

static int
spc_intio_match(device_t parent, cfdata_t cf, void *aux)
{
       struct intio_attach_args *ia = aux;
       bus_space_tag_t iot = ia->ia_bst;
       bus_space_handle_t ioh;

       ia->ia_size = 0x20;

       if (intio_map_allocate_region(device_parent(parent), ia,
                                     INTIO_MAP_TESTONLY) < 0)
               return 0;

       if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED,
                         &ioh) < 0)
               return 0;
       if (badaddr((void *)IIOV(ia->ia_addr + BDID)))
               return 0;
       bus_space_unmap(iot, ioh, 0x20);

       return 1;
}

static void
spc_intio_attach(device_t parent, device_t self, void *aux)
{
       struct spc_softc *sc = device_private(self);
       struct intio_attach_args *ia = aux;
       bus_space_tag_t iot = ia->ia_bst;
       bus_space_handle_t ioh;

       sc->sc_dev = self;

       intio_map_allocate_region(device_parent(parent), ia,
                                 INTIO_MAP_ALLOCATE);
       if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED,
                         &ioh)) {
               aprint_error(": can't map i/o space\n");
               return;
       }
       aprint_normal("\n");

       sc->sc_iot = iot;
       sc->sc_ioh = ioh;
       sc->sc_initiator = IODEVbase->io_sram[0x70] & 0x7; /* XXX */

       if (intio_intr_establish(ia->ia_intr, "spc", spc_intr, sc))
               panic("spcattach: interrupt vector busy");

       spc_attach(sc);
}