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 1.19 2007/07/05 12:08:53 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/bus.h>
  41 #include <sys/rman.h>
  42
  43 #include <net/ethernet.h>
  44 #include <net/if.h>
  45 #include <net/if_arp.h>
  46 #include <net/if_mib.h>
  47 #include <net/if_media.h>
  48
  49 #include "if_edreg.h"
  50 #include "if_edvar.h"
  51 #include <bus/pccard/pccard_cis.h>
  52 #include <bus/pccard/pccardvar.h>
  53 #include <bus/pccard/pccarddevs.h>
  54 #ifndef ED_NO_MIIBUS
  55 #include <dev/netif/mii_layer/mii.h>
  56 #include <dev/netif/mii_layer/miivar.h>
  57 #endif
  58
  59 #include "card_if.h"
  60 #ifndef ED_NO_MIIBUS
  61 /* "device miibus" required.  See GENERIC if you get errors here. */
  62 #include "miibus_if.h"
  63
  64 MODULE_DEPEND(ed, miibus, 1, 1, 1);
  65 #endif
  66 MODULE_DEPEND(ed, pccard, 1, 1, 1);
  67
  68 /*
  69  *      PC-Card (PCMCIA) specific code.
  70  */
  71 static int      ed_pccard_match(device_t);
  72 static int      ed_pccard_probe(device_t);
  73 static int      ed_pccard_attach(device_t);
  74 static int      ed_pccard_detach(device_t);
  75
  76 static int      ed_pccard_Linksys(device_t dev);
  77 static int      ed_pccard_ax88190(device_t dev);
  78
  79 static void     ax88190_geteprom(struct ed_softc *);
  80 static int      ed_pccard_memwrite(device_t dev, off_t offset, u_char byte);
  81 #ifndef ED_NO_MIIBUS
  82 static void     ed_pccard_dlink_mii_reset(struct ed_softc *sc);
  83 static u_int    ed_pccard_dlink_mii_readbits(struct ed_softc *sc, int nbits);
  84 static void     ed_pccard_dlink_mii_writebits(struct ed_softc *sc, u_int val,
  85     int nbits);
  86 #endif
  87
  88 /*
  89  *      ed_pccard_detach - unload the driver and clear the table.
  90  *      XXX TODO:
  91  *      This is usually called when the card is ejected, but
  92  *      can be caused by a modunload of a controller driver.
  93  *      The idea is to reset the driver's view of the device
  94  *      and ensure that any driver entry points such as
  95  *      read and write do not hang.
  96  */
  97 static int
  98 ed_pccard_detach(device_t dev)
  99 {
 100         struct ed_softc *sc = device_get_softc(dev);
 101         struct ifnet *ifp = &sc->arpcom.ac_if;
 102
 103         lwkt_serialize_enter(ifp->if_serializer);
 104
 105         if (sc->gone) {
 106                 device_printf(dev, "already unloaded\n");
 107                 lwkt_serialize_exit(ifp->if_serializer);
 108                 return (0);
 109         }
 110         ed_stop(sc);
 111         ifp->if_flags &= ~IFF_RUNNING;
 112         sc->gone = 1;
 113         bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
 114
 115         lwkt_serialize_exit(ifp->if_serializer);
 116
 117         ether_ifdetach(ifp);
 118         ed_release_resources(dev);
 119         return (0);
 120 }
 121
 122 static const struct ed_product {
 123         struct pccard_product   prod;
 124         int flags;
 125 #define NE2000DVF_DL10019       0x0001          /* chip is D-Link DL10019 */
 126 #define NE2000DVF_AX88190       0x0002          /* chip is ASIX AX88190 */
 127 } ed_pccard_products[] = {
 128         { PCMCIA_CARD(ACCTON, EN2212, 0), 0},
 129         { PCMCIA_CARD(ALLIEDTELESIS, LA_PCM, 0), 0},
 130         { PCMCIA_CARD(AMBICOM, AMB8002T, 0), 0},
 131         { PCMCIA_CARD(BILLIONTON, LNT10TN, 0), 0},
 132         { PCMCIA_CARD(BILLIONTON, CFLT10N, 0), 0},
 133         { PCMCIA_CARD(BUFFALO, LPC3_CLT,  0), 0},
 134         { PCMCIA_CARD(BUFFALO, LPC3_CLX,  0), NE2000DVF_AX88190},
 135         { PCMCIA_CARD(BUFFALO, LPC_CF_CLT,  0), 0},
 136         { PCMCIA_CARD(CNET, NE2000, 0), 0},
 137         { PCMCIA_CARD(COMPEX, LINKPORT_ENET_B, 0), 0},
 138         { PCMCIA_CARD(COREGA, ETHER_II_PCC_T, 0), 0},
 139         { PCMCIA_CARD(COREGA, ETHER_II_PCC_TD, 0), 0},
 140         { PCMCIA_CARD(COREGA, ETHER_PCC_T, 0), 0},
 141         { PCMCIA_CARD(COREGA, ETHER_PCC_TD, 0), 0},
 142         { PCMCIA_CARD(COREGA, FAST_ETHER_PCC_TX, 0), NE2000DVF_DL10019 },
 143         { PCMCIA_CARD(COREGA, FETHER_PCC_TXD, 0), NE2000DVF_AX88190 },
 144         { PCMCIA_CARD(COREGA, FETHER_PCC_TXF, 0), NE2000DVF_DL10019 },
 145         { PCMCIA_CARD(DAYNA, COMMUNICARD_E_1, 0), 0},
 146         { PCMCIA_CARD(DAYNA, COMMUNICARD_E_2, 0), 0},
 147         { PCMCIA_CARD(DLINK, DE650, 0), 0},
 148         { PCMCIA_CARD(DLINK, DE660, 0), 0 },
 149         { PCMCIA_CARD(DLINK, DE660PLUS, 0), 0},
 150         { PCMCIA_CARD(DLINK, DFE670TXD, 0), NE2000DVF_DL10019},
 151         { PCMCIA_CARD(DYNALINK, L10C, 0), 0},
 152         { PCMCIA_CARD(EDIMAX, EP4000A, 0), 0},
 153         { PCMCIA_CARD(EPSON, EEN10B, 0), 0},
 154         { PCMCIA_CARD(EXP, THINLANCOMBO, 0), 0},
 155         { PCMCIA_CARD(IBM, INFOMOVER, 0), 0},
 156         { PCMCIA_CARD(IODATA3, PCLAT, 0), 0},
 157         { PCMCIA_CARD(KINGSTON, KNE2, 0), 0},
 158         { PCMCIA_CARD(LANTECH, FASTNETTX, 0),NE2000DVF_AX88190 },
 159         { PCMCIA_CARD(LINKSYS, COMBO_ECARD, 0), NE2000DVF_DL10019 },
 160         { PCMCIA_CARD(LINKSYS, ECARD_1, 0), 0},
 161         { PCMCIA_CARD(LINKSYS, ECARD_2, 0), 0},
 162         { PCMCIA_CARD(LINKSYS, ETHERFAST, 0), NE2000DVF_DL10019 },
 163         { PCMCIA_CARD(LINKSYS, TRUST_COMBO_ECARD, 0), 0},
 164         { PCMCIA_CARD(MACNICA, ME1_JEIDA, 0), 0},
 165         { PCMCIA_CARD(MELCO, LPC3_CLX,  0), NE2000DVF_AX88190},
 166         { PCMCIA_CARD(MELCO, LPC3_TX, 0), NE2000DVF_AX88190 },
 167         { PCMCIA_CARD(NDC, ND5100_E, 0), 0},
 168         { PCMCIA_CARD(NETGEAR, FA410TXC, 0), NE2000DVF_DL10019},
 169         { PCMCIA_CARD(NETGEAR, FA411, 0), NE2000DVF_AX88190},
 170         { PCMCIA_CARD(NEXTCOM, NEXTHAWK, 0), 0},
 171         { PCMCIA_CARD(OEM2, ETHERNET, 0), 0},
 172         { PCMCIA_CARD(PLANET, SMARTCOM2000, 0), 0 },
 173         { PCMCIA_CARD(PREMAX, PE200, 0), 0},
 174         { PCMCIA_CARD(RACORE, ETHERNET, 0), 0},
 175         { PCMCIA_CARD(RPTI, EP400, 0), 0},
 176         { PCMCIA_CARD(RPTI, EP401, 0), 0},
 177         { PCMCIA_CARD(SMC, EZCARD, 0), 0},
 178         { PCMCIA_CARD(SOCKET, EA_ETHER, 0), 0},
 179         { PCMCIA_CARD(SOCKET, LP_ETHER, 0), 0},
 180         { PCMCIA_CARD(SOCKET, LP_ETHER_CF, 0), 0},
 181         { PCMCIA_CARD(SOCKET, LP_ETH_10_100_CF, 0), NE2000DVF_DL10019},
 182         { PCMCIA_CARD(SVEC, COMBOCARD, 0), 0},
 183         { PCMCIA_CARD(SVEC, LANCARD, 0), 0},
 184         { PCMCIA_CARD(TAMARACK, ETHERNET, 0), 0},
 185         { PCMCIA_CARD(TDK, LAK_CD031, 0), 0},
 186         { PCMCIA_CARD(TELECOMDEVICE, TCD_HPC100, 0), NE2000DVF_AX88190 },
 187         { PCMCIA_CARD(XIRCOM, CFE_10, 0), 0},
 188         { PCMCIA_CARD(ZONET, ZEN, 0), 0},
 189         { { NULL } }
 190 };
 191
 192 static int
 193 ed_pccard_match(device_t dev)
 194 {
 195         const struct ed_product *pp;
 196
 197         if ((pp = (const struct ed_product *) pccard_product_lookup(dev,
 198             (const struct pccard_product *) ed_pccard_products,
 199             sizeof(ed_pccard_products[0]), NULL)) != NULL) {
 200                 if (pp->prod.pp_name != NULL)
 201                         device_set_desc(dev, pp->prod.pp_name);
 202                 if (pp->flags & NE2000DVF_DL10019)
 203                         device_set_flags(dev, ED_FLAGS_LINKSYS);
 204                 else if (pp->flags & NE2000DVF_AX88190)
 205                         device_set_flags(dev, ED_FLAGS_AX88190);
 206                 return (0);
 207         }
 208         return (EIO);
 209 }
 210
 211 /*
 212  * Probe framework for pccards.  Replicates the standard framework,
 213  * minus the pccard driver registration and ignores the ether address
 214  * supplied (from the CIS), relying on the probe to find it instead.
 215  */
 216 static int
 217 ed_pccard_probe(device_t dev)
 218 {
 219         int     error;
 220         int     flags = device_get_flags(dev);
 221
 222         if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) {
 223                 error = ed_pccard_ax88190(dev);
 224                 goto end2;
 225         }
 226
 227         error = ed_probe_Novell(dev, 0, flags);
 228         if (error == 0)
 229                 goto end;
 230         ed_release_resources(dev);
 231
 232         error = ed_probe_WD80x3(dev, 0, flags);
 233         if (error == 0)
 234                 goto end;
 235         ed_release_resources(dev);
 236         goto end2;
 237
 238 end:
 239         if (ED_FLAGS_GETTYPE(flags) & ED_FLAGS_LINKSYS)
 240                 ed_pccard_Linksys(dev);
 241 end2:
 242         if (error == 0)
 243                 error = ed_alloc_irq(dev, 0, 0);
 244
 245         ed_release_resources(dev);
 246         return (error);
 247 }
 248
 249 static int
 250 ed_pccard_attach(device_t dev)
 251 {
 252         struct ed_softc *sc = device_get_softc(dev);
 253         int error;
 254         int i;
 255         uint8_t sum;
 256         uint8_t *ether_addr;
 257
 258         if (sc->port_used > 0)
 259                 ed_alloc_port(dev, sc->port_rid, sc->port_used);
 260         if (sc->mem_used)
 261                 ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
 262         ed_alloc_irq(dev, sc->irq_rid, 0);
 263
 264         if (sc->vendor != ED_VENDOR_LINKSYS) {
 265                 ether_addr = pccard_get_ether(dev);
 266                 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
 267                         sum |= ether_addr[i];
 268                 if (sum)
 269                         bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
 270         }
 271
 272         error = ed_attach(dev);
 273 #ifndef ED_NO_MIIBUS
 274         if (error == 0 && sc->vendor == ED_VENDOR_LINKSYS) {
 275                 /* Probe for an MII bus, but ignore errors. */
 276                 ed_pccard_dlink_mii_reset(sc);
 277                 sc->mii_readbits = ed_pccard_dlink_mii_readbits;
 278                 sc->mii_writebits = ed_pccard_dlink_mii_writebits;
 279                 mii_phy_probe(dev, &sc->miibus, ed_ifmedia_upd,
 280                     ed_ifmedia_sts);
 281         }
 282 #endif
 283
 284         error = bus_setup_intr(dev, sc->irq_res, INTR_NETSAFE,
 285                                edintr, sc, &sc->irq_handle,
 286                                sc->arpcom.ac_if.if_serializer);
 287         if (error) {
 288                 kprintf("setup intr failed %d \n", error);
 289                 ed_release_resources(dev);
 290                 return (error);
 291         }
 292
 293         return (error);
 294 }
 295
 296 static void
 297 ax88190_geteprom(struct ed_softc *sc)
 298 {
 299         int prom[16],i;
 300         u_char tmp;
 301         struct {
 302                 u_char offset, value;
 303         } pg_seq[] = {
 304                 {ED_P0_CR, ED_CR_RD2|ED_CR_STP},        /* Select Page0 */
 305                 {ED_P0_DCR, 0x01},
 306                 {ED_P0_RBCR0, 0x00},                    /* Clear the count regs. */
 307                 {ED_P0_RBCR1, 0x00},
 308                 {ED_P0_IMR, 0x00},                      /* Mask completion irq. */
 309                 {ED_P0_ISR, 0xff},
 310                 {ED_P0_RCR, ED_RCR_MON | ED_RCR_INTT},  /* Set To Monitor */
 311                 {ED_P0_TCR, ED_TCR_LB0},                /* loopback mode. */
 312                 {ED_P0_RBCR0, 32},
 313                 {ED_P0_RBCR1, 0x00},
 314                 {ED_P0_RSAR0, 0x00},
 315                 {ED_P0_RSAR1, 0x04},
 316                 {ED_P0_CR ,ED_CR_RD0 | ED_CR_STA},
 317         };
 318
 319         /* Reset Card */
 320         tmp = ed_asic_inb(sc, ED_NOVELL_RESET);
 321         ed_asic_outb(sc, ED_NOVELL_RESET, tmp);
 322         DELAY(5000);
 323         ed_asic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
 324         DELAY(5000);
 325
 326         /* Card Settings */
 327         for (i = 0; i < sizeof(pg_seq) / sizeof(pg_seq[0]); i++)
 328                 ed_nic_outb(sc, pg_seq[i].offset, pg_seq[i].value);
 329
 330         /* Get Data */
 331         for (i = 0; i < 16; i++)
 332                 prom[i] = ed_asic_inb(sc, 0);
 333         sc->arpcom.ac_enaddr[0] = prom[0] & 0xff;
 334         sc->arpcom.ac_enaddr[1] = prom[0] >> 8;
 335         sc->arpcom.ac_enaddr[2] = prom[1] & 0xff;
 336         sc->arpcom.ac_enaddr[3] = prom[1] >> 8;
 337         sc->arpcom.ac_enaddr[4] = prom[2] & 0xff;
 338         sc->arpcom.ac_enaddr[5] = prom[2] >> 8;
 339 }
 340
 341 static int
 342 ed_pccard_memwrite(device_t dev, off_t offset, u_char byte)
 343 {
 344         int cis_rid;
 345         struct resource *cis;
 346
 347         cis_rid = 0;
 348         cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0,
 349                                  4 << 10, RF_ACTIVE | RF_SHAREABLE);
 350         if (cis == NULL)
 351                 return (ENXIO);
 352         CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
 353                            cis_rid, PCCARD_A_MEM_ATTR);
 354
 355         bus_space_write_1(rman_get_bustag(cis), rman_get_bushandle(cis),
 356                           offset, byte);
 357
 358         bus_deactivate_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
 359         bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
 360
 361         return (0);
 362 }
 363
 364 /*
 365  * Probe the Ethernet MAC addrees for PCMCIA Linksys EtherFast 10/100
 366  * and compatible cards (DL10019C Ethernet controller).
 367  *
 368  * Note: The PAO patches try to use more memory for the card, but that
 369  * seems to fail for my card.  A future optimization would add this back
 370  * conditionally.
 371  */
 372 static int
 373 ed_pccard_Linksys(device_t dev)
 374 {
 375         struct ed_softc *sc = device_get_softc(dev);
 376         u_char sum;
 377         int i;
 378
 379         /*
 380          * Linksys registers(offset from ASIC base)
 381          *
 382          * 0x04-0x09 : Physical Address Register 0-5 (PAR0-PAR5)
 383          * 0x0A      : Card ID Register (CIR)
 384          * 0x0B      : Check Sum Register (SR)
 385          */
 386         for (sum = 0, i = 0x04; i < 0x0c; i++)
 387                 sum += ed_asic_inb(sc, i);
 388         if (sum != 0xff)
 389                 return (0);             /* invalid DL10019C */
 390         for (i = 0; i < ETHER_ADDR_LEN; i++) {
 391                 sc->arpcom.ac_enaddr[i] = ed_asic_inb(sc, 0x04 + i);
 392         }
 393
 394         ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
 395         sc->isa16bit = 1;
 396         sc->vendor = ED_VENDOR_LINKSYS;
 397         sc->type = ED_TYPE_NE2000;
 398         sc->type_str = "Linksys";
 399
 400         return (1);
 401 }
 402
 403 /*
 404  * Special setup for AX88190
 405  */
 406 static int
 407 ed_pccard_ax88190(device_t dev)
 408 {
 409         int     error;
 410         int     flags = device_get_flags(dev);
 411         int     iobase;
 412         struct  ed_softc *sc = device_get_softc(dev);
 413
 414         /* Allocate the port resource during setup. */
 415         error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS);
 416         if (error)
 417                 return (error);
 418
 419         sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
 420         sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
 421         sc->chip_type = ED_CHIP_TYPE_AX88190;
 422
 423         /*
 424          * Set Attribute Memory IOBASE Register.  Is this a deficiency in
 425          * the PC Card layer, or an ax88190 specific issue? xxx
 426          */
 427         iobase = rman_get_start(sc->port_res);
 428         ed_pccard_memwrite(dev, ED_AX88190_IOBASE0, iobase & 0xff);
 429         ed_pccard_memwrite(dev, ED_AX88190_IOBASE1, (iobase >> 8) & 0xff);
 430         ax88190_geteprom(sc);
 431         ed_release_resources(dev);
 432         error = ed_probe_Novell(dev, 0, flags);
 433         if (error == 0) {
 434                 sc->vendor = ED_VENDOR_PCCARD;
 435                 sc->type = ED_TYPE_NE2000;
 436                 sc->type_str = "AX88190";
 437         }
 438         return (error);
 439 }
 440
 441 #ifndef ED_NO_MIIBUS
 442 /* MII bit-twiddling routines for cards using Dlink chipset */
 443 #define DLINK_MIISET(sc, x) ed_asic_outb(sc, ED_DLINK_MIIBUS, \
 444     ed_asic_inb(sc, ED_DLINK_MIIBUS) | (x))
 445 #define DLINK_MIICLR(sc, x) ed_asic_outb(sc, ED_DLINK_MIIBUS, \
 446     ed_asic_inb(sc, ED_DLINK_MIIBUS) & ~(x))
 447
 448 static void
 449 ed_pccard_dlink_mii_reset(struct ed_softc *sc)
 450 {
 451         ed_asic_outb(sc, ED_DLINK_MIIBUS, 0);
 452         DELAY(10);
 453         DLINK_MIISET(sc, ED_DLINK_MII_RESET2);
 454         DELAY(10);
 455         DLINK_MIISET(sc, ED_DLINK_MII_RESET1);
 456         DELAY(10);
 457         DLINK_MIICLR(sc, ED_DLINK_MII_RESET1);
 458         DELAY(10);
 459         DLINK_MIICLR(sc, ED_DLINK_MII_RESET2);
 460         DELAY(10);
 461 }
 462
 463 static void
 464 ed_pccard_dlink_mii_writebits(struct ed_softc *sc, u_int val, int nbits)
 465 {
 466         int i;
 467
 468         DLINK_MIISET(sc, ED_DLINK_MII_DIROUT);
 469
 470         for (i = nbits - 1; i >= 0; i--) {
 471                 if ((val >> i) & 1)
 472                         DLINK_MIISET(sc, ED_DLINK_MII_DATAOUT);
 473                 else
 474                         DLINK_MIICLR(sc, ED_DLINK_MII_DATAOUT);
 475                 DELAY(10);
 476                 DLINK_MIISET(sc, ED_DLINK_MII_CLK);
 477                 DELAY(10);
 478                 DLINK_MIICLR(sc, ED_DLINK_MII_CLK);
 479                 DELAY(10);
 480         }
 481 }
 482
 483 static u_int
 484 ed_pccard_dlink_mii_readbits(struct ed_softc *sc, int nbits)
 485 {
 486         int i;
 487         u_int val = 0;
 488
 489         DLINK_MIICLR(sc, ED_DLINK_MII_DIROUT);
 490
 491         for (i = nbits - 1; i >= 0; i--) {
 492                 DLINK_MIISET(sc, ED_DLINK_MII_CLK);
 493                 DELAY(10);
 494                 val <<= 1;
 495                 if (ed_asic_inb(sc, ED_DLINK_MIIBUS) & ED_DLINK_MII_DATATIN)
 496                         val++;
 497                 DLINK_MIICLR(sc, ED_DLINK_MII_CLK);
 498                 DELAY(10);
 499         }
 500
 501         return val;
 502 }
 503 #endif
 504
 505 static device_method_t ed_pccard_methods[] = {
 506         /* Device interface */
 507         DEVMETHOD(device_probe,         pccard_compat_probe),
 508         DEVMETHOD(device_attach,        pccard_compat_attach),
 509         DEVMETHOD(device_detach,        ed_pccard_detach),
 510
 511 #ifndef ED_NO_MIIBUS
 512         /* Bus interface */
 513         DEVMETHOD(bus_child_detached,   ed_child_detached),
 514
 515         /* MII interface */
 516         DEVMETHOD(miibus_readreg,       ed_miibus_readreg),
 517         DEVMETHOD(miibus_writereg,      ed_miibus_writereg),
 518 #endif
 519
 520         /* Card interface */
 521         DEVMETHOD(card_compat_match,    ed_pccard_match),
 522         DEVMETHOD(card_compat_probe,    ed_pccard_probe),
 523         DEVMETHOD(card_compat_attach,   ed_pccard_attach),
 524         { 0, 0 }
 525 };
 526
 527 static driver_t ed_pccard_driver = {
 528         "ed",
 529         ed_pccard_methods,
 530         sizeof(struct ed_softc)
 531 };
 532
 533 DRIVER_MODULE(if_ed, pccard, ed_pccard_driver, ed_devclass, 0, 0);
 534 #ifndef ED_NO_MIIBUS
 535 MODULE_DEPEND(if_ed, miibus, 1, 1, 1);
 536 DRIVER_MODULE(miibus, ed, miibus_driver, miibus_devclass, 0, 0);
 537 #endif