sys/dev/netif/ep/if_ep_pccard.c

   1 /*
   2  * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
   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, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by Herb Peyerl.
  16  * 4. The name of Herb Peyerl may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * $FreeBSD: src/sys/dev/ep/if_ep_pccard.c,v 1.12.2.2 2000/08/08 23:55:02 peter Exp $
  31  */
  32
  33 /*
  34  * Pccard support for 3C589 by:
  35  *              HAMADA Naoki
  36  *              nao@tom-yam.or.jp
  37  */
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/kernel.h>
  42 #include <sys/socket.h>
  43 #include <sys/module.h>
  44 #include <sys/interrupt.h>
  45 #include <sys/bus.h>
  46 #include <sys/rman.h>
  47
  48 #include <net/ethernet.h>
  49 #include <net/if.h>
  50 #include <net/if_arp.h>
  51 #include <net/if_media.h>
  52 #include <net/ifq_var.h>
  53
  54 #include <machine/clock.h>
  55
  56 #include "if_epreg.h"
  57 #include "if_epvar.h"
  58
  59 #include <bus/pccard/pccardvar.h>
  60
  61 #include "card_if.h"
  62 #include "pccarddevs.h"
  63
  64 static const char *ep_pccard_identify(u_short id);
  65
  66 /*
  67  * Initialize the device - called from Slot manager.
  68  */
  69 static int
  70 ep_pccard_probe(device_t dev)
  71 {
  72         struct ep_softc *       sc = device_get_softc(dev);
  73         struct ep_board *       epb = &sc->epb;
  74         const char *            desc;
  75         int                     error;
  76
  77         error = ep_alloc(dev);
  78         if (error)
  79                 return error;
  80
  81         /*
  82          * XXX - Certain (newer?) 3Com cards need epb->cmd_off ==
  83          * 2. Sadly, you need to have a correct cmd_off in order to
  84          * identify the card.  So we have to hit it with both and
  85          * cross our virtual fingers.  There's got to be a better way
  86          * to do this.  jyoung@accessus.net 09/11/1999
  87          */
  88
  89         epb->cmd_off = 0;
  90         epb->prod_id = get_e(sc, EEPROM_PROD_ID);
  91         if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
  92                 if (bootverbose)
  93                         device_printf(dev, "Pass 1 of 2 detection "
  94                             "failed (nonfatal)\n");
  95                 epb->cmd_off = 2;
  96                 epb->prod_id = get_e(sc, EEPROM_PROD_ID);
  97                 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
  98                         device_printf(dev, "Unit failed to come ready or "
  99                             "product ID unknown! (id 0x%x)\n", epb->prod_id);
 100                         ep_free(dev);
 101                         return (ENXIO);
 102                 }
 103         }
 104         device_set_desc(dev, desc);
 105
 106         /*
 107          * For some reason the 3c574 needs this.
 108          */
 109         ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr);
 110
 111         ep_free(dev);
 112         return (0);
 113 }
 114
 115 static const char *
 116 ep_pccard_identify(u_short id)
 117 {
 118         /* Determine device type and associated MII capabilities  */
 119         switch (id) {
 120         case 0x6055: /* 3C556 */
 121                 return ("3Com 3C556");
 122         case 0x4057: /* 3C574 */
 123                 return ("3Com 3C574");
 124         case 0x4b57: /* 3C574B */
 125                 return ("3Com 3C574B, Megahertz 3CCFE574BT or "
 126                     "Fast Etherlink 3C574-TX");
 127         case 0x2b57: /* 3CXSH572BT */
 128                 return ("3Com OfficeConnect 572BT");
 129         case 0x9058: /* 3C589 */
 130                 return ("3Com Etherlink III 3C589");
 131         case 0x2056: /* 3C562/3C563 */
 132                 return ("3Com 3C562D/3C563D");
 133         }
 134         return (NULL);
 135 }
 136
 137 static int
 138 ep_pccard_card_attach(struct ep_board *epb)
 139 {
 140         /* Determine device type and associated MII capabilities  */
 141         switch (epb->prod_id) {
 142         case 0x6055: /* 3C556 */
 143         case 0x2b57: /* 3C572BT */
 144         case 0x4057: /* 3C574 */
 145         case 0x4b57: /* 3C574B */
 146                 epb->mii_trans = 1;
 147                 return (1);
 148         case 0x2056: /* 3C562D/3C563D */
 149         case 0x9058: /* 3C589 */
 150                 epb->mii_trans = 0;
 151                 return (1);
 152         }
 153         return (0);
 154 }
 155
 156 static int
 157 ep_pccard_attach(device_t dev)
 158 {
 159         struct ep_softc *       sc = device_get_softc(dev);
 160         struct ifnet *          ifp = &sc->arpcom.ac_if;
 161         int                     error = 0;
 162
 163         if ((error = ep_alloc(dev))) {
 164                 device_printf(dev, "ep_alloc() failed! (%d)\n", error);
 165                 goto bad;
 166         }
 167
 168         sc->epb.cmd_off = 0;
 169         sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
 170         if (!ep_pccard_card_attach(&sc->epb)) {
 171                 sc->epb.cmd_off = 2;
 172                 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
 173                 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
 174                 if (!ep_pccard_card_attach(&sc->epb)) {
 175                         device_printf(dev,
 176                             "Probe found ID, attach failed so ignore card!\n");
 177                         error = ENXIO;
 178                         goto bad;
 179                 }
 180         }
 181
 182         /* ROM size = 0, ROM base = 0 */
 183         /* For now, ignore AUTO SELECT feature of 3C589B and later. */
 184         outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000);
 185
 186         /* Fake IRQ must be 3 */
 187         outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000);
 188
 189         outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id);
 190
 191         if (sc->epb.mii_trans) {
 192                 /*
 193                  * turn on the MII transciever
 194                  */
 195                 GO_WINDOW(3);
 196                 outw(BASE + EP_W3_OPTIONS, 0x8040);
 197                 DELAY(1000);
 198                 outw(BASE + EP_W3_OPTIONS, 0xc040);
 199                 outw(BASE + EP_COMMAND, RX_RESET);
 200                 outw(BASE + EP_COMMAND, TX_RESET);
 201                 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
 202                 DELAY(1000);
 203                 outw(BASE + EP_W3_OPTIONS, 0x8040);
 204         } else {
 205                 ep_get_media(sc);
 206         }
 207
 208         if ((error = ep_attach(sc))) {
 209                 device_printf(dev, "ep_attach() failed! (%d)\n", error);
 210                 goto bad;
 211         }
 212
 213         ifq_set_cpuid(&ifp->if_snd, rman_get_cpuid(sc->irq));
 214
 215         error = bus_setup_intr(dev, sc->irq, INTR_MPSAFE, ep_intr,
 216                                     sc, &sc->ep_intrhand,
 217                                     sc->arpcom.ac_if.if_serializer);
 218         if (error) {
 219                 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
 220                 goto bad;
 221         }
 222
 223         return (0);
 224 bad:
 225         ep_free(dev);
 226         return (error);
 227 }
 228
 229 static int
 230 ep_pccard_detach(device_t dev)
 231 {
 232         struct ep_softc *sc = device_get_softc(dev);
 233         struct ifnet *ifp = &sc->arpcom.ac_if;
 234
 235         lwkt_serialize_enter(ifp->if_serializer);
 236
 237         if (sc->gone) {
 238                 device_printf(dev, "already unloaded\n");
 239                 lwkt_serialize_exit(ifp->if_serializer);
 240                 return (0);
 241         }
 242         ifp->if_flags &= ~IFF_RUNNING;
 243         sc->gone = 1;
 244         bus_teardown_intr(dev, sc->irq, sc->ep_intrhand);
 245
 246         lwkt_serialize_exit(ifp->if_serializer);
 247
 248         ether_ifdetach(&sc->arpcom.ac_if);
 249         ep_free(dev);
 250         return (0);
 251 }
 252
 253 static const struct pccard_product ep_pccard_products[] = {
 254         PCMCIA_CARD(3COM, 3C1, 0),
 255         PCMCIA_CARD(3COM, 3C562, 0),
 256         PCMCIA_CARD(3COM, 3C574, 0),    /* ROADRUNNER */
 257         PCMCIA_CARD(3COM, 3C589, 0),
 258         PCMCIA_CARD(3COM, 3CCFEM556BI, 0),      /* ROADRUNNER */
 259         PCMCIA_CARD(3COM, 3CXEM556, 0),
 260         PCMCIA_CARD(3COM, 3CXEM556INT, 0),
 261         {NULL}
 262 };
 263
 264 static int
 265 ep_pccard_match(device_t dev)
 266 {
 267         const struct pccard_product *pp;
 268
 269         if ((pp = pccard_product_lookup(dev, ep_pccard_products,
 270                     sizeof(ep_pccard_products[0]), NULL)) != NULL) {
 271                 if (pp->pp_name != NULL)
 272                         device_set_desc(dev, pp->pp_name);
 273                 return 0;
 274         }
 275         return EIO;
 276 }
 277
 278 static device_method_t ep_pccard_methods[] = {
 279         /* Device interface */
 280         DEVMETHOD(device_probe, pccard_compat_probe),
 281         DEVMETHOD(device_attach, pccard_compat_attach),
 282         DEVMETHOD(device_detach, ep_pccard_detach),
 283
 284         /* Card interface */
 285         DEVMETHOD(card_compat_match, ep_pccard_match),
 286         DEVMETHOD(card_compat_probe, ep_pccard_probe),
 287         DEVMETHOD(card_compat_attach, ep_pccard_attach),
 288
 289         DEVMETHOD_END
 290 };
 291
 292 static driver_t ep_pccard_driver = {
 293         "ep",
 294         ep_pccard_methods,
 295         sizeof(struct ep_softc),
 296 };
 297
 298 extern devclass_t ep_devclass;
 299
 300 DRIVER_MODULE(if_ep, pccard, ep_pccard_driver, ep_devclass, NULL, NULL);