sys/dev/netif/ed/if_ed_pccard.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_pccard.c,v 1.55 2003/12/31 04:25:00 kato Exp $
  28  * $DragonFly: src/sys/dev/netif/ed/if_ed_pccard.c,v 1.22 2008/08/17 04:32:33 sephe Exp $
  29  */
  30
  31 #include "opt_ed.h"
  32
  33 #include <sys/param.h>
  34 #include <sys/systm.h>
  35 #include <sys/socket.h>
  36 #include <sys/kernel.h>
  37 #include <sys/conf.h>
  38 #include <sys/uio.h>
  39 #include <sys/module.h>
  40 #include <sys/interrupt.h>
  41 #include <sys/bus.h>
  42 #include <sys/rman.h>
  43
  44 #include <net/ethernet.h>
  45 #include <net/if.h>
  46 #include <net/if_arp.h>
  47 #include <net/if_mib.h>
  48 #include <net/if_media.h>
  49
  50 #include "if_edreg.h"
  51 #include "if_edvar.h"
  52 #include <bus/pccard/pccard_cis.h>
  53 #include <bus/pccard/pccardvar.h>
  54 #include <bus/pccard/pccarddevs.h>
  55 #ifndef ED_NO_MIIBUS
  56 #include <dev/netif/mii_layer/mii.h>
  57 #include <dev/netif/mii_layer/miivar.h>
  58 #endif
  59
  60 #include "card_if.h"
  61 #ifndef ED_NO_MIIBUS
  62 /* "device miibus" required.  See GENERIC if you get errors here. */
  63 #include "miibus_if.h"
  64
  65 MODULE_DEPEND(ed, miibus, 1, 1, 1);
  66 #endif
  67 MODULE_DEPEND(ed, pccard, 1, 1, 1);
  68
  69 /*
  70  *      PC-Card (PCMCIA) specific code.
  71  */
  72 static int      ed_pccard_match(device_t);
  73 static int      ed_pccard_probe(device_t);
  74 static int      ed_pccard_attach(device_t);
  75 static int      ed_pccard_detach(device_t);
  76
  77 static int      ed_pccard_Linksys(device_t dev);
  78 static int      ed_pccard_ax88190(device_t dev);
  79
  80 static void     ax88190_geteprom(struct ed_softc *);
  81 static int      ed_pccard_memwrite(device_t dev, off_t offset, u_char byte);
  82 #ifndef ED_NO_MIIBUS
  83 static void     ed_pccard_dlink_mii_reset(struct ed_softc *sc);
  84 static u_int    ed_pccard_dlink_mii_readbits(struct ed_softc *sc, int nbits);
  85 static void     ed_pccard_dlink_mii_writebits(struct ed_softc *sc, u_int val,
  86     int nbits);
  87 #endif
  88
  89 /*
  90  *      ed_pccard_detach - unload the driver and clear the table.
  91  *      XXX TODO:
  92  *      This is usually called when the card is ejected, but
  93  *      can be caused by a modunload of a controller driver.
  94  *      The idea is to reset the driver's view of the device
  95  *      and ensure that any driver entry points such as
  96  *      read and write do not hang.
  97  */
  98 static int
  99 ed_pccard_detach(device_t dev)
 100 {
 101         struct ed_softc *sc = device_get_softc(dev);
 102         struct ifnet *ifp = &sc->arpcom.ac_if;
 103
 104         lwkt_serialize_enter(ifp->if_serializer);
 105
 106         if (sc->gone) {
 107                 device_printf(dev, "already unloaded\n");
 108                 lwkt_serialize_exit(ifp->if_serializer);
 109                 return (0);
 110         }
 111         ed_stop(sc);
 112         ifp->if_flags &= ~IFF_RUNNING;
 113         sc->gone = 1;
 114         bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
 115
 116         lwkt_serialize_exit(ifp->if_serializer);
 117
 118         ether_ifdetach(ifp);
 119         ed_release_resources(dev);
 120         return (0);
 121 }
 122
 123 static const struct ed_product {
 124         struct pccard_product   prod;
 125         int flags;
 126 #define NE2000DVF_DL10019       0x0001          /* chip is D-Link DL10019 */
 127 #define NE2000DVF_AX88190       0x0002          /* chip is ASIX AX88190 */
 128 } ed_pccard_products[] = {
 129         { PCMCIA_CARD(ACCTON, EN2212, 0), 0},
 130         { PCMCIA_CARD(ALLIEDTELESIS, LA_PCM, 0), 0},
 131         { PCMCIA_CARD(AMBICOM, AMB8002T, 0), 0},
 132         { PCMCIA_CARD(BILLIONTON, LNT10TN, 0), 0},
 133         { PCMCIA_CARD(BILLIONTON, CFLT10N, 0), 0},
 134         { PCMCIA_CARD(BUFFALO, LPC3_CLT,  0), 0},
 135         { PCMCIA_CARD(BUFFALO, LPC3_CLX,  0), NE2000DVF_AX88190},
 136         { PCMCIA_CARD(BUFFALO, LPC_CF_CLT,  0), 0},
 137         { PCMCIA_CARD(CNET, NE2000, 0), 0},
 138         { PCMCIA_CARD(COMPEX, LINKPORT_ENET_B, 0), 0},
 139         { PCMCIA_CARD(COREGA, ETHER_II_PCC_T, 0), 0},
 140         { PCMCIA_CARD(COREGA, ETHER_II_PCC_TD, 0), 0},
 141         { PCMCIA_CARD(COREGA, ETHER_PCC_T, 0), 0},
 142         { PCMCIA_CARD(COREGA, ETHER_PCC_TD, 0), 0},
 143         { PCMCIA_CARD(COREGA, FAST_ETHER_PCC_TX, 0), NE2000DVF_DL10019 },
 144         { PCMCIA_CARD(COREGA, FETHER_PCC_TXD, 0), NE2000DVF_AX88190 },
 145         { PCMCIA_CARD(COREGA, FETHER_PCC_TXF, 0), NE2000DVF_DL10019 },
 146         { PCMCIA_CARD(DAYNA, COMMUNICARD_E_1, 0), 0},
 147         { PCMCIA_CARD(DAYNA, COMMUNICARD_E_2, 0), 0},
 148         { PCMCIA_CARD(DLINK, DE650, 0), 0},
 149         { PCMCIA_CARD(DLINK, DE660, 0), 0 },
 150         { PCMCIA_CARD(DLINK, DE660PLUS, 0), 0},
 151         { PCMCIA_CARD(DLINK, DFE670TXD, 0), NE2000DVF_DL10019},
 152         { PCMCIA_CARD(DYNALINK, L10C, 0), 0},
 153         { PCMCIA_CARD(EDIMAX, EP4000A, 0), 0},
 154         { PCMCIA_CARD(EPSON, EEN10B, 0), 0},
 155         { PCMCIA_CARD(EXP, THINLANCOMBO, 0), 0},
 156         { PCMCIA_CARD(IBM, INFOMOVER, 0), 0},
 157         { PCMCIA_CARD(IODATA3, PCLAT, 0), 0},
 158         { PCMCIA_CARD(KINGSTON, KNE2, 0), 0},
 159         { PCMCIA_CARD(LANTECH, FASTNETTX, 0),NE2000DVF_AX88190 },
 160         { PCMCIA_CARD(LINKSYS, COMBO_ECARD, 0), NE2000DVF_DL10019 },
 161         { PCMCIA_CARD(LINKSYS, ECARD_1, 0), 0},
 162         { PCMCIA_CARD(LINKSYS, ECARD_2, 0), 0},
 163         { PCMCIA_CARD(LINKSYS, ETHERFAST, 0), NE2000DVF_DL10019 },
 164         { PCMCIA_CARD(LINKSYS, TRUST_COMBO_ECARD, 0), 0},
 165         { PCMCIA_CARD(MACNICA, ME1_JEIDA, 0), 0},
 166         { PCMCIA_CARD(MELCO, LPC3_CLX,  0), NE2000DVF_AX88190},
 167         { PCMCIA_CARD(MELCO, LPC3_TX, 0), NE2000DVF_AX88190 },
 168         { PCMCIA_CARD(NDC, ND5100_E, 0), 0},
 169         { PCMCIA_CARD(NETGEAR, FA410TXC, 0), NE2000DVF_DL10019},
 170         { PCMCIA_CARD(NETGEAR, FA411, 0), NE2000DVF_AX88190},
 171         { PCMCIA_CARD(NEXTCOM, NEXTHAWK, 0), 0},
 172         { PCMCIA_CARD(OEM2, ETHERNET, 0), 0},
 173         { PCMCIA_CARD(PLANET, SMARTCOM2000, 0), 0 },
 174         { PCMCIA_CARD(PREMAX, PE200, 0), 0},
 175         { PCMCIA_CARD(RACORE, ETHERNET, 0), 0},
 176         { PCMCIA_CARD(RPTI, EP400, 0), 0},
 177         { PCMCIA_CARD(RPTI, EP401, 0), 0},
 178         { PCMCIA_CARD(SMC, EZCARD, 0), 0},
 179         { PCMCIA_CARD(SOCKET, EA_ETHER, 0), 0},
 180         { PCMCIA_CARD(SOCKET, LP_ETHER, 0), 0},
 181         { PCMCIA_CARD(SOCKET, LP_ETHER_CF, 0), 0},
 182         { PCMCIA_CARD(SOCKET, LP_ETH_10_100_CF, 0), NE2000DVF_DL10019},
 183         { PCMCIA_CARD(SVEC, COMBOCARD, 0), 0},
 184         { PCMCIA_CARD(SVEC, LANCARD, 0), 0},
 185         { PCMCIA_CARD(TAMARACK, ETHERNET, 0), 0},
 186         { PCMCIA_CARD(TDK, LAK_CD031, 0), 0},
 187         { PCMCIA_CARD(TELECOMDEVICE, TCD_HPC100, 0), NE2000DVF_AX88190 },
 188         { PCMCIA_CARD(XIRCOM, CFE_10, 0), 0},
 189         { PCMCIA_CARD(ZONET, ZEN, 0), 0},
 190         { { NULL } }
 191 };
 192
 193 static int
 194 ed_pccard_match(device_t dev)
 195 {
 196         const struct ed_product *pp;
 197
 198         if ((pp = (const struct ed_product *) pccard_product_lookup(dev,
 199             (const struct pccard_product *) ed_pccard_products,
 200             sizeof(ed_pccard_products[0]), NULL)) != NULL) {
 201                 if (pp->prod.pp_name != NULL)
 202                         device_set_desc(dev, pp->prod.pp_name);
 203                 if (pp->flags & NE2000DVF_DL10019)
 204                         device_set_flags(dev, ED_FLAGS_LINKSYS);
 205                 else if (pp->flags & NE2000DVF_AX88190)
 206                         device_set_flags(dev, ED_FLAGS_AX88190);
 207                 return (0);
 208         }
 209         return (EIO);
 210 }
 211
 212 /*
 213  * Probe framework for pccards.  Replicates the standard framework,
 214  * minus the pccard driver registration and ignores the ether address
 215  * supplied (from the CIS), relying on the probe to find it instead.
 216  */
 217 static int
 218 ed_pccard_probe(device_t dev)
 219 {
 220         int     error;
 221         int     flags = device_get_flags(dev);
 222
 223         if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) {
 224                 error = ed_pccard_ax88190(dev);
 225                 goto end2;
 226         }
 227
 228         error = ed_probe_Novell(dev, 0, flags);
 229         if (error == 0)
 230                 goto end;
 231         ed_release_resources(dev);
 232
 233         error = ed_probe_WD80x3(dev, 0, flags);
 234         if (error == 0)
 235                 goto end;
 236         ed_release_resources(dev);
 237         goto end2;
 238
 239 end:
 240         if (ED_FLAGS_GETTYPE(flags) & ED_FLAGS_LINKSYS)
 241                 ed_pccard_Linksys(dev);
 242 end2:
 243         if (error == 0)
 244                 error = ed_alloc_irq(dev, 0, 0);
 245
 246         ed_release_resources(dev);
 247         return (error);
 248 }
 249
 250 static int
 251 ed_pccard_attach(device_t dev)
 252 {
 253         struct ed_softc *sc = device_get_softc(dev);
 254         struct ifnet *ifp = &sc->arpcom.ac_if;
 255         int error;
 256         int i;
 257         uint8_t sum;
 258         const uint8_t *ether_addr;
 259
 260         if (sc->port_used > 0)
 261                 ed_alloc_port(dev, sc->port_rid, sc->port_used);
 262         if (sc->mem_used)
 263                 ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
 264         ed_alloc_irq(dev, sc->irq_rid, 0);
 265
 266         if (sc->vendor != ED_VENDOR_LINKSYS) {
 267                 ether_addr = pccard_get_ether(dev);
 268                 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
 269                         sum |= ether_addr[i];
 270                 if (sum)
 271                         bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
 272         }
 273
 274         error = ed_attach(dev);
 275 #ifndef ED_NO_MIIBUS
 276         if (error == 0 && sc->vendor == ED_VENDOR_LINKSYS) {
 277                 /* Probe for an MII bus, but ignore errors. */
 278                 ed_pccard_dlink_mii_reset(sc);
 279                 sc->mii_readbits = ed_pccard_dlink_mii_readbits;
 280                 sc->mii_writebits = ed_pccard_dlink_mii_writebits;
 281                 mii_phy_probe(dev, &sc->miibus, ed_ifmedia_upd,
 282                     ed_ifmedia_sts);
 283         }
 284 #endif
 285
 286         error = bus_setup_intr(dev, sc->irq_res, INTR_MPSAFE,
 287                                edintr, sc, &sc->irq_handle,
 288                                ifp->if_serializer);
 289         if (error) {
 290                 kprintf("setup intr failed %d \n", error);
 291                 ed_release_resources(dev);
 292                 return (error);
 293         } else {
 294                 ifp->if_cpuid = ithread_cpuid(rman_get_start(sc->irq_res));
 295                 KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
 296         }
 297
 298         return (error);
 299 }
 300
 301 static void
 302 ax88190_geteprom(struct ed_softc *sc)
 303 {
 304         int prom[16],i;
 305         u_char tmp;
 306         struct {
 307                 u_char offset, value;
 308         } pg_seq[] = {
 309                 {ED_P0_CR, ED_CR_RD2|ED_CR_STP},        /* Select Page0 */
 310                 {ED_P0_DCR, 0x01},
 311                 {ED_P0_RBCR0, 0x00},                    /* Clear the count regs. */
 312                 {ED_P0_RBCR1, 0x00},
 313                 {ED_P0_IMR, 0x00},                      /* Mask completion irq. */
 314                 {ED_P0_ISR, 0xff},
 315                 {ED_P0_RCR, ED_RCR_MON | ED_RCR_INTT},  /* Set To Monitor */
 316                 {ED_P0_TCR, ED_TCR_LB0},                /* loopback mode. */
 317                 {ED_P0_RBCR0, 32},
 318                 {ED_P0_RBCR1, 0x00},
 319                 {ED_P0_RSAR0, 0x00},
 320                 {ED_P0_RSAR1, 0x04},
 321                 {ED_P0_CR ,ED_CR_RD0 | ED_CR_STA},
 322         };
 323
 324         /* Reset Card */
 325         tmp = ed_asic_inb(sc, ED_NOVELL_RESET);
 326         ed_asic_outb(sc, ED_NOVELL_RESET, tmp);
 327         DELAY(5000);
 328         ed_asic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
 329         DELAY(5000);
 330
 331         /* Card Settings */
 332         for (i = 0; i < sizeof(pg_seq) / sizeof(pg_seq[0]); i++)
 333                 ed_nic_outb(sc, pg_seq[i].offset, pg_seq[i].value);
 334
 335         /* Get Data */
 336         for (i = 0; i < 16; i++)
 337                 prom[i] = ed_asic_inb(sc, 0);
 338         sc->arpcom.ac_enaddr[0] = prom[0] & 0xff;
 339         sc->arpcom.ac_enaddr[1] = prom[0] >> 8;
 340         sc->arpcom.ac_enaddr[2] = prom[1] & 0xff;
 341         sc->arpcom.ac_enaddr[3] = prom[1] >> 8;
 342         sc->arpcom.ac_enaddr[4] = prom[2] & 0xff;
 343         sc->arpcom.ac_enaddr[5] = prom[2] >> 8;
 344 }
 345
 346 static int
 347 ed_pccard_memwrite(device_t dev, off_t offset, u_char byte)
 348 {
 349         int cis_rid;
 350         struct resource *cis;
 351
 352         cis_rid = 0;
 353         cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0,
 354                                  4 << 10, RF_ACTIVE | RF_SHAREABLE);
 355         if (cis == NULL)
 356                 return (ENXIO);
 357         CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
 358                            cis_rid, PCCARD_A_MEM_ATTR);
 359
 360         bus_space_write_1(rman_get_bustag(cis), rman_get_bushandle(cis),
 361                           offset, byte);
 362
 363         bus_deactivate_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
 364         bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
 365
 366         return (0);
 367 }
 368
 369 /*
 370  * Probe the Ethernet MAC addrees for PCMCIA Linksys EtherFast 10/100
 371  * and compatible cards (DL10019C Ethernet controller).
 372  *
 373  * Note: The PAO patches try to use more memory for the card, but that
 374  * seems to fail for my card.  A future optimization would add this back
 375  * conditionally.
 376  */
 377 static int
 378 ed_pccard_Linksys(device_t dev)
 379 {
 380         struct ed_softc *sc = device_get_softc(dev);
 381         u_char sum;
 382         int i;
 383
 384         /*
 385          * Linksys registers(offset from ASIC base)
 386          *
 387          * 0x04-0x09 : Physical Address Register 0-5 (PAR0-PAR5)
 388          * 0x0A      : Card ID Register (CIR)
 389          * 0x0B      : Check Sum Register (SR)
 390          */
 391         for (sum = 0, i = 0x04; i < 0x0c; i++)
 392                 sum += ed_asic_inb(sc, i);
 393         if (sum != 0xff)
 394                 return (0);             /* invalid DL10019C */
 395         for (i = 0; i < ETHER_ADDR_LEN; i++) {
 396                 sc->arpcom.ac_enaddr[i] = ed_asic_inb(sc, 0x04 + i);
 397         }
 398
 399         ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
 400         sc->isa16bit = 1;
 401         sc->vendor = ED_VENDOR_LINKSYS;
 402         sc->type = ED_TYPE_NE2000;
 403         sc->type_str = "Linksys";
 404
 405         return (1);
 406 }
 407
 408 /*
 409  * Special setup for AX88190
 410  */
 411 static int
 412 ed_pccard_ax88190(device_t dev)
 413 {
 414         int     error;
 415         int     flags = device_get_flags(dev);
 416         int     iobase;
 417         struct  ed_softc *sc = device_get_softc(dev);
 418
 419         /* Allocate the port resource during setup. */
 420         error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS);
 421         if (error)
 422                 return (error);
 423
 424         sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
 425         sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
 426         sc->chip_type = ED_CHIP_TYPE_AX88190;
 427
 428         /*
 429          * Set Attribute Memory IOBASE Register.  Is this a deficiency in
 430          * the PC Card layer, or an ax88190 specific issue? xxx
 431          */
 432         iobase = rman_get_start(sc->port_res);
 433         ed_pccard_memwrite(dev, ED_AX88190_IOBASE0, iobase & 0xff);
 434         ed_pccard_memwrite(dev, ED_AX88190_IOBASE1, (iobase >> 8) & 0xff);
 435         ax88190_geteprom(sc);
 436         ed_release_resources(dev);
 437         error = ed_probe_Novell(dev, 0, flags);
 438         if (error == 0) {
 439                 sc->vendor = ED_VENDOR_PCCARD;
 440                 sc->type = ED_TYPE_NE2000;
 441                 sc->type_str = "AX88190";
 442         }
 443         return (error);
 444 }
 445
 446 #ifndef ED_NO_MIIBUS
 447 /* MII bit-twiddling routines for cards using Dlink chipset */
 448 #define DLINK_MIISET(sc, x) ed_asic_outb(sc, ED_DLINK_MIIBUS, \
 449     ed_asic_inb(sc, ED_DLINK_MIIBUS) | (x))
 450 #define DLINK_MIICLR(sc, x) ed_asic_outb(sc, ED_DLINK_MIIBUS, \
 451     ed_asic_inb(sc, ED_DLINK_MIIBUS) & ~(x))
 452
 453 static void
 454 ed_pccard_dlink_mii_reset(struct ed_softc *sc)
 455 {
 456         ed_asic_outb(sc, ED_DLINK_MIIBUS, 0);
 457         DELAY(10);
 458         DLINK_MIISET(sc, ED_DLINK_MII_RESET2);
 459         DELAY(10);
 460         DLINK_MIISET(sc, ED_DLINK_MII_RESET1);
 461         DELAY(10);
 462         DLINK_MIICLR(sc, ED_DLINK_MII_RESET1);
 463         DELAY(10);
 464         DLINK_MIICLR(sc, ED_DLINK_MII_RESET2);
 465         DELAY(10);
 466 }
 467
 468 static void
 469 ed_pccard_dlink_mii_writebits(struct ed_softc *sc, u_int val, int nbits)
 470 {
 471         int i;
 472
 473         DLINK_MIISET(sc, ED_DLINK_MII_DIROUT);
 474
 475         for (i = nbits - 1; i >= 0; i--) {
 476                 if ((val >> i) & 1)
 477                         DLINK_MIISET(sc, ED_DLINK_MII_DATAOUT);
 478                 else
 479                         DLINK_MIICLR(sc, ED_DLINK_MII_DATAOUT);
 480                 DELAY(10);
 481                 DLINK_MIISET(sc, ED_DLINK_MII_CLK);
 482                 DELAY(10);
 483                 DLINK_MIICLR(sc, ED_DLINK_MII_CLK);
 484                 DELAY(10);
 485         }
 486 }
 487
 488 static u_int
 489 ed_pccard_dlink_mii_readbits(struct ed_softc *sc, int nbits)
 490 {
 491         int i;
 492         u_int val = 0;
 493
 494         DLINK_MIICLR(sc, ED_DLINK_MII_DIROUT);
 495
 496         for (i = nbits - 1; i >= 0; i--) {
 497                 DLINK_MIISET(sc, ED_DLINK_MII_CLK);
 498                 DELAY(10);
 499                 val <<= 1;
 500                 if (ed_asic_inb(sc, ED_DLINK_MIIBUS) & ED_DLINK_MII_DATATIN)
 501                         val++;
 502                 DLINK_MIICLR(sc, ED_DLINK_MII_CLK);
 503                 DELAY(10);
 504         }
 505
 506         return val;
 507 }
 508 #endif
 509
 510 static device_method_t ed_pccard_methods[] = {
 511         /* Device interface */
 512         DEVMETHOD(device_probe,         pccard_compat_probe),
 513         DEVMETHOD(device_attach,        pccard_compat_attach),
 514         DEVMETHOD(device_detach,        ed_pccard_detach),
 515
 516 #ifndef ED_NO_MIIBUS
 517         /* Bus interface */
 518         DEVMETHOD(bus_child_detached,   ed_child_detached),
 519
 520         /* MII interface */
 521         DEVMETHOD(miibus_readreg,       ed_miibus_readreg),
 522         DEVMETHOD(miibus_writereg,      ed_miibus_writereg),
 523 #endif
 524
 525         /* Card interface */
 526         DEVMETHOD(card_compat_match,    ed_pccard_match),
 527         DEVMETHOD(card_compat_probe,    ed_pccard_probe),
 528         DEVMETHOD(card_compat_attach,   ed_pccard_attach),
 529         { 0, 0 }
 530 };
 531
 532 static driver_t ed_pccard_driver = {
 533         "ed",
 534         ed_pccard_methods,
 535         sizeof(struct ed_softc)
 536 };
 537
 538 DRIVER_MODULE(if_ed, pccard, ed_pccard_driver, ed_devclass, 0, 0);
 539 #ifndef ED_NO_MIIBUS
 540 MODULE_DEPEND(if_ed, miibus, 1, 1, 1);
 541 DRIVER_MODULE(miibus, ed, miibus_driver, miibus_devclass, 0, 0);
 542 #endif