/*      $NetBSD: fmv.c,v 1.10 2008/04/12 06:27:01 tsutsui Exp $ */

/*
* All Rights Reserved, Copyright (C) Fujitsu Limited 1995
*
* This software may be used, modified, copied, distributed, and sold, in
* both source and binary form provided that the above copyright, these
* terms and the following disclaimer are retained.  The name of the author
* and/or the contributor may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``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 OR THE CONTRIBUTOR 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.
*/

/*
* Portions copyright (C) 1993, David Greenman.  This software may be used,
* modified, copied, distributed, and sold, in both source and binary form
* provided that the above copyright and these terms are retained.  Under no
* circumstances is the author responsible for the proper functioning of this
* software, nor does the author assume any responsibility for damages
* incurred with its use.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fmv.c,v 1.10 2008/04/12 06:27:01 tsutsui 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 <sys/bus.h>

#include <dev/ic/mb86960reg.h>
#include <dev/ic/mb86960var.h>
#include <dev/ic/fmvreg.h>
#include <dev/ic/fmvvar.h>

#ifdef FMV_DEBUG
#define DPRINTF printf
#else
#define DPRINTF while (/* CONSTCOND */0) printf
#endif

/*
* Determine type and ethernet address.
*/
int
fmv_detect(bus_space_tag_t iot, bus_space_handle_t ioh, uint8_t *enaddr)
{
       int model, id, type;

       /* Get our station address from EEPROM. */
       bus_space_read_region_1(iot, ioh, FE_FMV4, enaddr, ETHER_ADDR_LEN);

       /* Make sure we got a valid station address. */
       if ((enaddr[0] & 0x03) != 0x00 ||
           (enaddr[0] == 0x00 && enaddr[1] == 0x00 && enaddr[2] == 0x00)) {
               DPRINTF("%s: invalid ethernet address\n", __func__);
               return 0;
       }

       /* Determine the card type. */
       model = bus_space_read_1(iot, ioh, FE_FMV0) & FE_FMV0_MODEL;
       id    = bus_space_read_1(iot, ioh, FE_FMV1) & FE_FMV1_CARDID_REV;

       switch (model) {
       case FE_FMV0_MODEL_FMV181:
               type = FE_TYPE_FMV181;
               if (id == FE_FMV1_CARDID_REV_A)
                       type = FE_TYPE_FMV181A;
               break;
       case FE_FMV0_MODEL_FMV182:
               type = FE_TYPE_FMV182;
               if (id == FE_FMV1_CARDID_REV_A)
                       type = FE_TYPE_FMV182A;
               else if (id == FE_FMV1_CARDID_PNP)
                       type = FE_TYPE_FMV184;
               break;
       case FE_FMV0_MODEL_FMV183:
               type = FE_TYPE_FMV183;
               break;
       default:
               type = 0;
               DPRINTF("%s: unknown card\n", __func__);
               break;
       }

       return type;
}

void
fmv_attach(struct mb86960_softc *sc)
{
       bus_space_tag_t iot;
       bus_space_handle_t ioh;
       const char *typestr;
       int type;
       uint8_t myea[ETHER_ADDR_LEN];

       iot = sc->sc_bst;
       ioh = sc->sc_bsh;

       /* Determine the card type. */
       type = fmv_detect(iot, ioh, myea);
       switch (type) {
       case FE_TYPE_FMV181:
               typestr = "FMV-181";
               break;
       case FE_TYPE_FMV181A:
               typestr = "FMV-181A";
               break;
       case FE_TYPE_FMV182:
               typestr = "FMV-182";
               break;
       case FE_TYPE_FMV182A:
               typestr = "FMV-182A";
               break;
       case FE_TYPE_FMV183:
               typestr = "FMV-183";
               break;
       case FE_TYPE_FMV184:
               typestr = "FMV-184";
               break;
       default:
               /* Unknown card type: maybe a new model, but... */
               aprint_normal("\n");
               panic("%s: unknown FMV-18x card", device_xname(sc->sc_dev));
       }

       aprint_normal(": %s Ethernet\n", typestr);

       /* This interface is always enabled. */
       sc->sc_stat |= FE_STAT_ENABLED;

       /*
        * Minimum initialization of the hardware.
        * We write into registers; hope I/O ports have no
        * overlap with other boards.
        */

       /* Initialize ASIC. */
       bus_space_write_1(iot, ioh, FE_FMV3, 0);
       bus_space_write_1(iot, ioh, FE_FMV10, 0);

       /* Wait for a while.  I'm not sure this is necessary.  FIXME */
       delay(200);

       /*
        * Do generic MB86960 attach.
        */
       mb86960_attach(sc, myea);

       /* Is this really needs to be done here? XXX */
       /* Turn the "master interrupt control" flag of ASIC on. */
       bus_space_write_1(iot, ioh, FE_FMV3, FE_FMV3_ENABLE_FLAG);

       mb86960_config(sc, NULL, 0, 0);
}