sys/dev/podulebus/if_eb.c

   1 /* $NetBSD: if_eb.c,v 1.13 2009/05/12 13:18:40 cegger Exp $ */
   2
   3 /*
   4  * Copyright (c) 2000, 2001 Ben Harris
   5  * Copyright (c) 1995 Mark Brinicombe
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Mark Brinicombe.
  19  * 4. The name of the company nor the name of the author may be used to
  20  *    endorse or promote products derived from this software without specific
  21  *    prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35 /*
  36  * if_eb.c - EtherB device driver
  37  */
  38
  39 #include <sys/cdefs.h>
  40 __KERNEL_RCSID(0, "$NetBSD: if_eb.c,v 1.13 2009/05/12 13:18:40 cegger Exp $");
  41
  42 #include <sys/param.h>
  43
  44 #include <sys/device.h>
  45 #include <sys/socket.h>
  46 #include <sys/systm.h>
  47
  48 #include <sys/bus.h>
  49 #include <sys/intr.h>
  50
  51 #include <net/if.h>
  52 #include <net/if_ether.h>
  53
  54 #include <dev/podulebus/podulebus.h>
  55 #include <dev/podulebus/podules.h>
  56
  57 #include <dev/podulebus/if_ebreg.h>
  58 #include <dev/ic/seeq8005var.h>
  59
  60 /*
  61  * per-line info and status
  62  */
  63
  64 struct eb_softc {
  65         struct seeq8005_softc   sc_8005;
  66         void    *sc_ih;
  67         struct evcnt sc_intrcnt;
  68 };
  69
  70 /*
  71  * prototypes
  72  */
  73
  74 int ebprobe(device_t, cfdata_t, void *);
  75 void ebattach(device_t, device_t, void *);
  76
  77 /* driver structure for autoconf */
  78
  79 CFATTACH_DECL(eb, sizeof(struct eb_softc),
  80     ebprobe, ebattach, NULL, NULL);
  81
  82 /*
  83  * Probe routine.
  84  */
  85
  86 /*
  87  * Probe for the ether3 podule.
  88  */
  89
  90 int
  91 ebprobe(device_t parent, cfdata_t cf, void *aux)
  92 {
  93         struct podulebus_attach_args *pa = aux;
  94
  95         return pa->pa_product == PODULE_ETHERB;
  96 }
  97
  98
  99 /*
 100  * Attach podule.
 101  */
 102
 103 void
 104 ebattach(device_t parent, device_t self, void *aux)
 105 {
 106         struct eb_softc *sc = device_private(self);
 107         struct podulebus_attach_args *pa = aux;
 108         u_int8_t myaddr[ETHER_ADDR_LEN];
 109
 110 /*      dprintf(("Attaching %s...\n", device_xname(&sc->sc_dev)));*/
 111
 112         /* Set the address of the controller for easy access */
 113         podulebus_shift_tag(pa->pa_mod_t, EB_8004_SHIFT, &sc->sc_8005.sc_iot);
 114         bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base + EB_8004_BASE,
 115             /* XXX */ 0, 0, &sc->sc_8005.sc_ioh);
 116
 117         /*
 118          * Build the address from the machine id.
 119          */
 120         netslot_ea(myaddr);
 121
 122         printf(":");
 123         seeq8005_attach(&sc->sc_8005, myaddr, NULL, 0, 0);
 124
 125         /* Claim a podule interrupt */
 126
 127         evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
 128             device_xname(self), "intr");
 129         sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
 130             sc, &sc->sc_intrcnt);
 131 }
 132
 133 /* End of if_eb.c */