sys/dev/netif/ed/if_ed_isa.c

   1 /*
   2  * Copyright (c) 1995, David Greenman
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice unmodified, this list of conditions, and the following
  10  *    disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD: src/sys/dev/ed/if_ed_isa.c,v 1.15 2003/10/31 18:31:58 brooks Exp $
  28  * $DragonFly: src/sys/dev/netif/ed/if_ed_isa.c,v 1.17 2008/08/17 04:32:33 sephe Exp $
  29  */
  30
  31 #include <sys/param.h>
  32 #include <sys/systm.h>
  33 #include <sys/socket.h>
  34 #include <sys/kernel.h>
  35 #include <sys/module.h>
  36 #include <sys/bus.h>
  37 #include <sys/interrupt.h>
  38 #include <sys/rman.h>
  39
  40 #include <net/ethernet.h>
  41 #include <net/if.h>
  42 #include <net/if_arp.h>
  43 #include <net/if_mib.h>
  44
  45 #include <bus/isa/isavar.h>
  46
  47 #include "if_edvar.h"
  48
  49 static int ed_isa_probe         (device_t);
  50 static int ed_isa_attach        (device_t);
  51 static int ed_isa_detach        (device_t);
  52
  53 static struct isa_pnp_id ed_ids[] = {
  54         { 0x1684a34d,   NULL },         /* SMC8416 */
  55         { 0xd680d041,   NULL },         /* PNP80d6 */
  56         { 0x1980635e,   NULL },         /* WSC8019 */
  57         { 0x0131d805,   NULL },         /* ANX3101 */
  58         { 0x01200507,   NULL },         /* AXE2001 */
  59         { 0x19808c4a,   NULL },         /* RTL8019 */
  60         { 0x0090252a,   NULL },         /* JQE9000 */
  61         { 0x0020832e,   NULL },         /* KTC2000 */
  62         { 0x4cf48906,   NULL },         /* ATIf44c */
  63         { 0,            NULL }
  64 };
  65
  66 static int
  67 ed_isa_probe(device_t dev)
  68 {
  69         int flags = device_get_flags(dev);
  70         int error = 0;
  71
  72         /* Check isapnp ids */
  73         error = ISA_PNP_PROBE(device_get_parent(dev), dev, ed_ids);
  74
  75         /* If the card had a PnP ID that didn't match any we know about */
  76         if (error == ENXIO) {
  77                 goto end;
  78         }
  79
  80         /* If we had some other problem. */
  81         if (!(error == 0 || error == ENOENT)) {
  82                 goto end;
  83         }
  84
  85         /* Heuristic probes */
  86
  87         error = ed_probe_WD80x3(dev, 0, flags);
  88         if (error == 0)
  89                 goto end;
  90         ed_release_resources(dev);
  91
  92         error = ed_probe_3Com(dev, 0, flags);
  93         if (error == 0)
  94                 goto end;
  95         ed_release_resources(dev);
  96
  97         error = ed_probe_SIC(dev, 0, flags);
  98         if (error == 0)
  99                 goto end;
 100         ed_release_resources(dev);
 101
 102         error = ed_probe_Novell(dev, 0, flags);
 103         if (error == 0)
 104                 goto end;
 105         ed_release_resources(dev);
 106
 107         error = ed_probe_HP_pclanp(dev, 0, flags);
 108         if (error == 0)
 109                 goto end;
 110         ed_release_resources(dev);
 111
 112 end:
 113         if (error == 0)
 114                 error = ed_alloc_irq(dev, 0, 0);
 115
 116         ed_release_resources(dev);
 117         return (error);
 118 }
 119
 120 static int
 121 ed_isa_attach(device_t dev)
 122 {
 123         struct ed_softc *sc = device_get_softc(dev);
 124         int error;
 125
 126         if (sc->port_used > 0)
 127                 ed_alloc_port(dev, sc->port_rid, sc->port_used);
 128         if (sc->mem_used)
 129                 ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
 130
 131         ed_alloc_irq(dev, sc->irq_rid, 0);
 132
 133         error = ed_attach(dev);
 134         if (error == 0) {
 135                 struct ifnet *ifp = &sc->arpcom.ac_if;
 136
 137                 error = bus_setup_intr(dev, sc->irq_res, INTR_MPSAFE,
 138                                        edintr, sc, &sc->irq_handle,
 139                                        ifp->if_serializer);
 140                 if (error) {
 141                         ed_isa_detach(dev);
 142                 } else {
 143                         ifp->if_cpuid =
 144                                 ithread_cpuid(rman_get_start(sc->irq_res));
 145                         KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
 146                 }
 147         } else {
 148                 ed_release_resources(dev);
 149         }
 150         return (error);
 151 }
 152
 153 static int
 154 ed_isa_detach(device_t dev)
 155 {
 156         struct ed_softc *sc = device_get_softc(dev);
 157         struct ifnet *ifp = &sc->arpcom.ac_if;
 158
 159         lwkt_serialize_enter(ifp->if_serializer);
 160
 161         if (sc->gone) {
 162                 device_printf(dev, "already unloaded\n");
 163                 lwkt_serialize_exit(ifp->if_serializer);
 164                 return (0);
 165         }
 166         ed_stop(sc);
 167         ifp->if_flags &= ~IFF_RUNNING;
 168         sc->gone = 1;
 169         bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
 170
 171         lwkt_serialize_exit(ifp->if_serializer);
 172
 173         ether_ifdetach(ifp);
 174         ed_release_resources(dev);
 175         return (0);
 176 }
 177
 178 static device_method_t ed_isa_methods[] = {
 179         /* Device interface */
 180         DEVMETHOD(device_probe,         ed_isa_probe),
 181         DEVMETHOD(device_attach,        ed_isa_attach),
 182         DEVMETHOD(device_attach,        ed_isa_detach),
 183
 184         { 0, 0 }
 185 };
 186
 187 static driver_t ed_isa_driver = {
 188         "ed",
 189         ed_isa_methods,
 190         sizeof(struct ed_softc)
 191 };
 192
 193 DRIVER_MODULE(if_ed, isa, ed_isa_driver, ed_devclass, 0, 0);
 194 MODULE_DEPEND(if_ed, isa, 1, 1, 1);