/*      $NetBSD: joy_isapnp.c,v 1.14 2011/12/05 19:20:54 christos Exp $ */

/*-
* Copyright (c) 1996, 2008 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>
__KERNEL_RCSID(0, "$NetBSD: joy_isapnp.c,v 1.14 2011/12/05 19:20:54 christos Exp $");

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

#include <sys/bus.h>

#include <dev/isa/isavar.h>
#include <dev/isapnp/isapnpreg.h>
#include <dev/isapnp/isapnpvar.h>
#include <dev/isapnp/isapnpdevs.h>

#include <dev/ic/joyvar.h>

struct joy_isapnp_softc {
       struct joy_softc sc_joy;
       kmutex_t sc_lock;
};

static int      joy_isapnp_match(device_t, cfdata_t, void *);
static void     joy_isapnp_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(joy_isapnp, sizeof(struct joy_isapnp_softc),
   joy_isapnp_match, joy_isapnp_attach, NULL, NULL);

static int
joy_isapnp_match(device_t parent, cfdata_t match, void *aux)
{
       int pri, variant;

       pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant);
       if (pri && variant > 0)
               pri = 0;
       return pri;
}

static void
joy_isapnp_attach(device_t parent, device_t self, void *aux)
{
       struct joy_isapnp_softc *isc = device_private(self);
       struct joy_softc *sc = &isc->sc_joy;
       struct isapnp_attach_args *ipa = aux;
       bus_space_handle_t ioh;

       aprint_normal("\n");

       if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
               aprint_error_dev(self, "error in region allocation\n");
               return;
       }

       if (ipa->ipa_io[0].length == 8) {
               if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1,
                   &ioh) < 0) {
                       aprint_error_dev(self, "error in region allocation\n");
                       return;
               }
       } else
               ioh = ipa->ipa_io[0].h;

       mutex_init(&isc->sc_lock, MUTEX_DEFAULT, IPL_NONE);

       sc->sc_iot = ipa->ipa_iot;
       sc->sc_ioh = ioh;
       sc->sc_dev = self;
       sc->sc_lock = &isc->sc_lock;

       aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident,
           ipa->ipa_devclass);

       joyattach(sc);
}