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 1.15 2006/10/25 22:55:56 dillon 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
  38 #include <net/ethernet.h>
  39 #include <net/if.h>
  40 #include <net/if_arp.h>
  41 #include <net/if_mib.h>
  42
  43 #include <bus/isa/isavar.h>
  44
  45 #include "if_edvar.h"
  46
  47 static int ed_isa_probe         (device_t);
  48 static int ed_isa_attach        (device_t);
  49 static int ed_isa_detach        (device_t);
  50
  51 static struct isa_pnp_id ed_ids[] = {
  52         { 0x1684a34d,   NULL },         /* SMC8416 */
  53         { 0xd680d041,   NULL },         /* PNP80d6 */
  54         { 0x1980635e,   NULL },         /* WSC8019 */
  55         { 0x0131d805,   NULL },         /* ANX3101 */
  56         { 0x01200507,   NULL },         /* AXE2001 */
  57         { 0x19808c4a,   NULL },         /* RTL8019 */
  58         { 0x0090252a,   NULL },         /* JQE9000 */
  59         { 0x0020832e,   NULL },         /* KTC2000 */
  60         { 0x4cf48906,   NULL },         /* ATIf44c */
  61         { 0,            NULL }
  62 };
  63
  64 static int
  65 ed_isa_probe(device_t dev)
  66 {
  67         int flags = device_get_flags(dev);
  68         int error = 0;
  69
  70         /* Check isapnp ids */
  71         error = ISA_PNP_PROBE(device_get_parent(dev), dev, ed_ids);
  72
  73         /* If the card had a PnP ID that didn't match any we know about */
  74         if (error == ENXIO) {
  75                 goto end;
  76         }
  77
  78         /* If we had some other problem. */
  79         if (!(error == 0 || error == ENOENT)) {
  80                 goto end;
  81         }
  82
  83         /* Heuristic probes */
  84
  85         error = ed_probe_WD80x3(dev, 0, flags);
  86         if (error == 0)
  87                 goto end;
  88         ed_release_resources(dev);
  89
  90         error = ed_probe_3Com(dev, 0, flags);
  91         if (error == 0)
  92                 goto end;
  93         ed_release_resources(dev);
  94
  95         error = ed_probe_SIC(dev, 0, flags);
  96         if (error == 0)
  97                 goto end;
  98         ed_release_resources(dev);
  99
 100         error = ed_probe_Novell(dev, 0, flags);
 101         if (error == 0)
 102                 goto end;
 103         ed_release_resources(dev);
 104
 105         error = ed_probe_HP_pclanp(dev, 0, flags);
 106         if (error == 0)
 107                 goto end;
 108         ed_release_resources(dev);
 109
 110 end:
 111         if (error == 0)
 112                 error = ed_alloc_irq(dev, 0, 0);
 113
 114         ed_release_resources(dev);
 115         return (error);
 116 }
 117
 118 static int
 119 ed_isa_attach(device_t dev)
 120 {
 121         struct ed_softc *sc = device_get_softc(dev);
 122         int error;
 123
 124         if (sc->port_used > 0)
 125                 ed_alloc_port(dev, sc->port_rid, sc->port_used);
 126         if (sc->mem_used)
 127                 ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
 128
 129         ed_alloc_irq(dev, sc->irq_rid, 0);
 130
 131         error = ed_attach(dev);
 132         if (error == 0) {
 133                 error = bus_setup_intr(dev, sc->irq_res, INTR_NETSAFE,
 134                                        edintr, sc, &sc->irq_handle,
 135                                        sc->arpcom.ac_if.if_serializer);
 136                 if (error)
 137                         ed_isa_detach(dev);
 138         } else {
 139                 ed_release_resources(dev);
 140         }
 141         return (error);
 142 }
 143
 144 static int
 145 ed_isa_detach(device_t dev)
 146 {
 147         struct ed_softc *sc = device_get_softc(dev);
 148         struct ifnet *ifp = &sc->arpcom.ac_if;
 149
 150         lwkt_serialize_enter(ifp->if_serializer);
 151
 152         if (sc->gone) {
 153                 device_printf(dev, "already unloaded\n");
 154                 lwkt_serialize_exit(ifp->if_serializer);
 155                 return (0);
 156         }
 157         ed_stop(sc);
 158         ifp->if_flags &= ~IFF_RUNNING;
 159         sc->gone = 1;
 160         bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
 161
 162         lwkt_serialize_exit(ifp->if_serializer);
 163
 164         ether_ifdetach(ifp);
 165         ed_release_resources(dev);
 166         return (0);
 167 }
 168
 169 static device_method_t ed_isa_methods[] = {
 170         /* Device interface */
 171         DEVMETHOD(device_probe,         ed_isa_probe),
 172         DEVMETHOD(device_attach,        ed_isa_attach),
 173         DEVMETHOD(device_attach,        ed_isa_detach),
 174
 175         { 0, 0 }
 176 };
 177
 178 static driver_t ed_isa_driver = {
 179         "ed",
 180         ed_isa_methods,
 181         sizeof(struct ed_softc)
 182 };
 183
 184 DRIVER_MODULE(if_ed, isa, ed_isa_driver, ed_devclass, 0, 0);
 185 MODULE_DEPEND(if_ed, isa, 1, 1, 1);