/*      $NetBSD: sm_ifpga.c,v 1.2 2013/02/23 08:23:03 skrll Exp $       */

/*-
* Copyright (c) 2013 Sergio Lopez <[email protected]>
* 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 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: sm_ifpga.c,v 1.2 2013/02/23 08:23:03 skrll Exp $");

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

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

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

#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>

#include <dev/ic/smc91cxxreg.h>
#include <dev/ic/smc91cxxvar.h>

#include <evbarm/ifpga/ifpgareg.h>
#include <evbarm/ifpga/ifpgavar.h>

static int      sm_ifpga_match(device_t, cfdata_t, void *);
static void     sm_ifpga_attach(device_t, device_t, void *);

struct sm_ifpga_softc {
       struct smc91cxx_softc sc_sm;
       void *ih;
};

CFATTACH_DECL_NEW(sm_ifpga, sizeof(struct sm_ifpga_softc), sm_ifpga_match,
   sm_ifpga_attach, NULL, NULL);

static int
sm_ifpga_match(device_t parent, cfdata_t match, void *aux)
{
       struct ifpga_attach_args *ifa = aux;

       if (ifa->ifa_addr == IFPGA_SMC911_BASE)
               return 1;
       return 0;
}

static void
sm_ifpga_attach(device_t parent, device_t self, void *aux)
{
       struct sm_ifpga_softc *isc = device_private(self);
       struct smc91cxx_softc *sc = &isc->sc_sm;
       struct ifpga_attach_args *ifa = aux;
       bus_space_tag_t bst = ifa->ifa_iot;
       bus_space_handle_t bsh;

       /* map i/o space */
       if (bus_space_map(bst, ifa->ifa_addr, SMC_IOSIZE, 0, &bsh) != 0) {
               aprint_error(": sm_ifpga_attach: can't map i/o space");
               return;
       }

       isc->ih = ifpga_intr_establish(ifa->ifa_irq, IPL_NET, smc91cxx_intr, sc);
       if (isc->ih == NULL) {
               aprint_error(": couldn't establish interrupt\n");
               bus_space_unmap(bst, bsh, SMC_IOSIZE);
               return;
       }

       aprint_normal("\n");

       /* fill in master sc */
       sc->sc_dev = self;
       sc->sc_bst = bst;
       sc->sc_bsh = bsh;

       sc->sc_flags = SMC_FLAGS_ENABLED;
       smc91cxx_attach(sc, NULL);
}