/*      $NetBSD: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui Exp $        */

/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center and Matt Thomas of the 3am Software Foundry.
*
* 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: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>

#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.h>
#include <net/if_media.h>

#include <sys/intr.h>
#include <sys/bus.h>

#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>

#include <dev/ic/ne2000reg.h>
#include <dev/ic/ne2000var.h>

#include <dev/isa/isavar.h>

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

static int ne_isapnp_match(device_t, cfdata_t , void *);
static void ne_isapnp_attach(device_t, device_t, void *);

struct ne_isapnp_softc {
       struct  ne2000_softc sc_ne2000;         /* real "ne2000" softc */

       /* ISA-specific goo. */
       void    *sc_ih;                         /* interrupt cookie */
};

CFATTACH_DECL_NEW(ne_isapnp, sizeof(struct ne_isapnp_softc),
   ne_isapnp_match, ne_isapnp_attach, NULL, NULL);

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

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

static void
ne_isapnp_attach(device_t parent, device_t self, void *aux)
{
       struct ne_isapnp_softc * const isc = device_private(self);
       struct ne2000_softc * const nsc = &isc->sc_ne2000;
       struct dp8390_softc * const dsc = &nsc->sc_dp8390;
       struct isapnp_attach_args * const ipa = aux;
       bus_space_tag_t nict;
       bus_space_handle_t nich;
       bus_space_tag_t asict;
       bus_space_handle_t asich;
       const char *typestr;
       int netype;

       aprint_normal("\n");

       dsc->sc_dev = self;

       if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
               aprint_error_dev(self, "can't configure isapnp resources\n");
               return;
       }

       nict = ipa->ipa_iot;
       nich = ipa->ipa_io[0].h;

       asict = nict;

       if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
           NE2000_ASIC_NPORTS, &asich)) {
               aprint_error_dev(self, "can't subregion i/o space\n");
               return;
       }

       dsc->sc_regt = nict;
       dsc->sc_regh = nich;

       nsc->sc_asict = asict;
       nsc->sc_asich = asich;

       /*
        * Detect it again, so we can print some information about the
        * interface.
        */
       netype = ne2000_detect(nict, nich, asict, asich);
       switch (netype) {
       case NE2000_TYPE_NE1000:
               typestr = "NE1000";
               break;

       case NE2000_TYPE_NE2000:
               typestr = "NE2000";
               break;

       case NE2000_TYPE_RTL8019:
               typestr = "NE2000 (RTL8019)";
               break;

       default:
               aprint_error_dev(self, "where did the card go?!\n");
               return;
       }

       aprint_normal_dev(self, "%s Ethernet\n", typestr);

       /* This interface is always enabled. */
       dsc->sc_enabled = 1;

       /*
        * Do generic NE2000 attach.  This will read the station address
        * from the EEPROM.
        */
       ne2000_attach(nsc, NULL);

       /* Establish the interrupt handler. */
       isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
           ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc);
       if (isc->sc_ih == NULL)
               aprint_error_dev(self,
                   "couldn't establish interrupt handler\n");
}