/* $NetBSD: if_ea.c,v 1.18 2023/08/03 08:35:14 mrg Exp $ */

/*
* Copyright (c) 2000, 2001 Ben Harris
* Copyright (c) 1995 Mark Brinicombe
* 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.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by Mark Brinicombe.
* 4. The name of the company nor the name of the author may be used to
*    endorse or promote products derived from this software without specific
*    prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/*
* if_ea.c - Ether3 device driver
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ea.c,v 1.18 2023/08/03 08:35:14 mrg Exp $");

#include <sys/param.h>

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

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

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

#include <dev/podulebus/podulebus.h>
#include <dev/podulebus/podules.h>

#include <dev/podulebus/if_eareg.h>
#include <dev/ic/seeq8005var.h>

/*
* per-line info and status
*/

struct ea_softc {
       struct seeq8005_softc   sc_8005;
       void    *sc_ih;
       struct evcnt sc_intrcnt;
};

/*
* prototypes
*/

int eaprobe(device_t, cfdata_t, void *);
void eaattach(device_t, device_t, void *);

/* driver structure for autoconf */

CFATTACH_DECL_NEW(ea, sizeof(struct ea_softc),
   eaprobe, eaattach, NULL, NULL);

/*
* Probe routine.
*/

/*
* Probe for the ether3 podule.
*/

int
eaprobe(device_t parent, cfdata_t cf, void *aux)
{
       struct podulebus_attach_args *pa = aux;

       return pa->pa_product == PODULE_ETHER3;
}


/*
* Attach podule.
*/

void
eaattach(device_t parent, device_t self, void *aux)
{
       struct ea_softc *sc = device_private(self);
       struct podulebus_attach_args *pa = aux;
       u_int8_t myaddr[ETHER_ADDR_LEN];
       char *ptr;
       int i;

       sc->sc_8005.sc_dev = self;

/*      dprintf(("Attaching %s...\n", device_xname(self)));*/

       /* Set the address of the controller for easy access */
       podulebus_shift_tag(pa->pa_mod_t, EA_8005_SHIFT, &sc->sc_8005.sc_iot);
       bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base, /* XXX */ 0, 0,
           &sc->sc_8005.sc_ioh);

       /* Get the Ethernet address from the device description string. */
       if (pa->pa_descr[0] == '\0') {
               printf(": No description for Ethernet address\n");
               return;
       }
       ptr = strchr(pa->pa_descr, '(');
       if (ptr == NULL) {
               printf(": Ethernet address not found in description\n");
               return;
       }
       ptr++;
       for (i = 0; i < ETHER_ADDR_LEN; i++) {
               myaddr[i] = strtoul(ptr, &ptr, 16);
               if (*ptr++ != (i == ETHER_ADDR_LEN - 1 ? ')' : ':')) {
                       printf(": Bad Ethernet address found in "
                              "description\n");
                       return;
               }
       }

       printf(":");
       seeq8005_attach(&sc->sc_8005, myaddr, NULL, 0, 0);

       /* Claim a podule interrupt */

       evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
           device_xname(self), "intr");
       sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
           sc, &sc->sc_intrcnt);
}

/* End of if_ea.c */