sys/dev/etherswitch/mtkswitch/mtkswitch.c

   1 /*-
   2  * Copyright (c) 2016 Stanislav Galabov.
   3  * Copyright (c) 2011-2012 Stefan Bethke.
   4  * Copyright (c) 2012 Adrian Chadd.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * $FreeBSD$
  29  */
  30
  31 #include <sys/param.h>
  32 #include <sys/bus.h>
  33 #include <sys/errno.h>
  34 #include <sys/kernel.h>
  35 #include <sys/lock.h>
  36 #include <sys/malloc.h>
  37 #include <sys/module.h>
  38 #include <sys/mutex.h>
  39 #include <sys/socket.h>
  40 #include <sys/sockio.h>
  41 #include <sys/sysctl.h>
  42 #include <sys/systm.h>
  43
  44 #include <net/if.h>
  45 #include <net/if_var.h>
  46 #include <net/ethernet.h>
  47 #include <net/if_media.h>
  48 #include <net/if_types.h>
  49
  50 #include <machine/bus.h>
  51 #include <dev/mii/mii.h>
  52 #include <dev/mii/miivar.h>
  53 #include <dev/mdio/mdio.h>
  54
  55 #include <dev/etherswitch/etherswitch.h>
  56 #include <dev/etherswitch/mtkswitch/mtkswitchvar.h>
  57
  58 #include <dev/ofw/ofw_bus_subr.h>
  59
  60 #include "mdio_if.h"
  61 #include "miibus_if.h"
  62 #include "etherswitch_if.h"
  63
  64 #define DEBUG
  65
  66 #if defined(DEBUG)
  67 static SYSCTL_NODE(_debug, OID_AUTO, mtkswitch, CTLFLAG_RD, 0, "mtkswitch");
  68 #endif
  69
  70 static inline int mtkswitch_portforphy(int phy);
  71 static int mtkswitch_ifmedia_upd(struct ifnet *ifp);
  72 static void mtkswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr);
  73 static void mtkswitch_tick(void *arg);
  74
  75 static const struct ofw_compat_data compat_data[] = {
  76         { "ralink,rt3050-esw",          MTK_SWITCH_RT3050 },
  77         { "ralink,rt3352-esw",          MTK_SWITCH_RT3352 },
  78         { "ralink,rt5350-esw",          MTK_SWITCH_RT5350 },
  79         { "mediatek,mt7620-gsw",        MTK_SWITCH_MT7620 },
  80         { "mediatek,mt7621-gsw",        MTK_SWITCH_MT7621 },
  81         { "mediatek,mt7628-esw",        MTK_SWITCH_MT7628 },
  82
  83         /* Sentinel */
  84         { NULL,                         MTK_SWITCH_NONE }
  85 };
  86
  87 static int
  88 mtkswitch_probe(device_t dev)
  89 {
  90         struct mtkswitch_softc *sc;
  91         mtk_switch_type switch_type;
  92
  93         if (!ofw_bus_status_okay(dev))
  94                 return (ENXIO);
  95
  96         switch_type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
  97         if (switch_type == MTK_SWITCH_NONE)
  98                 return (ENXIO);
  99
 100         sc = device_get_softc(dev);
 101         bzero(sc, sizeof(*sc));
 102         sc->sc_switchtype = switch_type;
 103
 104         device_set_desc_copy(dev, "MTK Switch Driver");
 105
 106         return (0);
 107 }
 108
 109 static int
 110 mtkswitch_attach_phys(struct mtkswitch_softc *sc)
 111 {
 112         int phy, err = 0;
 113         char name[IFNAMSIZ];
 114
 115         /* PHYs need an interface, so we generate a dummy one */
 116         snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
 117         for (phy = 0; phy < sc->numphys; phy++) {
 118                 if ((sc->phymap & (1u << phy)) == 0) {
 119                         sc->ifp[phy] = NULL;
 120                         sc->ifname[phy] = NULL;
 121                         sc->miibus[phy] = NULL;
 122                         continue;
 123                 }
 124                 sc->ifp[phy] = if_alloc(IFT_ETHER);
 125                 sc->ifp[phy]->if_softc = sc;
 126                 sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST |
 127                     IFF_DRV_RUNNING | IFF_SIMPLEX;
 128                 sc->ifname[phy] = malloc(strlen(name) + 1, M_DEVBUF, M_WAITOK);
 129                 bcopy(name, sc->ifname[phy], strlen(name) + 1);
 130                 if_initname(sc->ifp[phy], sc->ifname[phy],
 131                     mtkswitch_portforphy(phy));
 132                 err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy],
 133                     mtkswitch_ifmedia_upd, mtkswitch_ifmedia_sts,
 134                     BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
 135                 if (err != 0) {
 136                         device_printf(sc->sc_dev,
 137                             "attaching PHY %d failed\n",
 138                             phy);
 139                 } else {
 140                         DPRINTF(sc->sc_dev, "%s attached to pseudo interface "
 141                             "%s\n", device_get_nameunit(sc->miibus[phy]),
 142                             sc->ifp[phy]->if_xname);
 143                 }
 144         }
 145         return (err);
 146 }
 147
 148 static int
 149 mtkswitch_set_vlan_mode(struct mtkswitch_softc *sc, uint32_t mode)
 150 {
 151
 152         /* Check for invalid modes. */
 153         if ((mode & sc->info.es_vlan_caps) != mode)
 154                 return (EINVAL);
 155
 156         sc->vlan_mode = mode;
 157
 158         /* Reset VLANs. */
 159         sc->hal.mtkswitch_vlan_init_hw(sc);
 160
 161         return (0);
 162 }
 163
 164 static int
 165 mtkswitch_attach(device_t dev)
 166 {
 167         struct mtkswitch_softc *sc;
 168         int err = 0;
 169         int port, rid;
 170
 171         sc = device_get_softc(dev);
 172
 173         /* sc->sc_switchtype is already decided in mtkswitch_probe() */
 174         sc->numports = MTKSWITCH_MAX_PORTS;
 175         sc->numphys = MTKSWITCH_MAX_PHYS;
 176         sc->cpuport = MTKSWITCH_CPU_PORT;
 177         sc->sc_dev = dev;
 178
 179         /* Attach switch related functions */
 180         if (sc->sc_switchtype == MTK_SWITCH_NONE) {
 181                 device_printf(dev, "Unknown switch type\n");
 182                 return (ENXIO);
 183         }
 184
 185         if (sc->sc_switchtype == MTK_SWITCH_MT7620 ||
 186             sc->sc_switchtype == MTK_SWITCH_MT7621)
 187                 mtk_attach_switch_mt7620(sc);
 188         else
 189                 mtk_attach_switch_rt3050(sc);
 190
 191         /* Allocate resources */
 192         rid = 0;
 193         sc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
 194             RF_ACTIVE);
 195         if (sc->sc_res == NULL) {
 196                 device_printf(dev, "could not map memory\n");
 197                 return (ENXIO);
 198         }
 199
 200         mtx_init(&sc->sc_mtx, "mtkswitch", NULL, MTX_DEF);
 201
 202         /* Reset the switch */
 203         if (sc->hal.mtkswitch_reset(sc)) {
 204                 DPRINTF(dev, "%s: mtkswitch_reset: failed\n", __func__);
 205                 return (ENXIO);
 206         }
 207
 208         err = sc->hal.mtkswitch_hw_setup(sc);
 209         DPRINTF(dev, "%s: hw_setup: err=%d\n", __func__, err);
 210         if (err != 0)
 211                 return (err);
 212
 213         err = sc->hal.mtkswitch_hw_global_setup(sc);
 214         DPRINTF(dev, "%s: hw_global_setup: err=%d\n", __func__, err);
 215         if (err != 0)
 216                 return (err);
 217
 218         /* Initialize the switch ports */
 219         for (port = 0; port < sc->numports; port++) {
 220                 sc->hal.mtkswitch_port_init(sc, port);
 221         }
 222
 223         /* Attach the PHYs and complete the bus enumeration */
 224         err = mtkswitch_attach_phys(sc);
 225         DPRINTF(dev, "%s: attach_phys: err=%d\n", __func__, err);
 226         if (err != 0)
 227                 return (err);
 228
 229         /* Default to ingress filters off. */
 230         err = mtkswitch_set_vlan_mode(sc, ETHERSWITCH_VLAN_DOT1Q);
 231         DPRINTF(dev, "%s: set_vlan_mode: err=%d\n", __func__, err);
 232         if (err != 0)
 233                 return (err);
 234
 235         bus_generic_probe(dev);
 236         bus_enumerate_hinted_children(dev);
 237         err = bus_generic_attach(dev);
 238         DPRINTF(dev, "%s: bus_generic_attach: err=%d\n", __func__, err);
 239         if (err != 0)
 240                 return (err);
 241
 242         callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0);
 243
 244         MTKSWITCH_LOCK(sc);
 245         mtkswitch_tick(sc);
 246         MTKSWITCH_UNLOCK(sc);
 247
 248         return (0);
 249 }
 250
 251 static int
 252 mtkswitch_detach(device_t dev)
 253 {
 254         struct mtkswitch_softc *sc = device_get_softc(dev);
 255         int phy;
 256
 257         callout_drain(&sc->callout_tick);
 258
 259         for (phy = 0; phy < MTKSWITCH_MAX_PHYS; phy++) {
 260                 if (sc->miibus[phy] != NULL)
 261                         device_delete_child(dev, sc->miibus[phy]);
 262                 if (sc->ifp[phy] != NULL)
 263                         if_free(sc->ifp[phy]);
 264                 free(sc->ifname[phy], M_DEVBUF);
 265         }
 266
 267         bus_generic_detach(dev);
 268         mtx_destroy(&sc->sc_mtx);
 269
 270         return (0);
 271 }
 272
 273 /* PHY <-> port mapping is currently 1:1 */
 274 static inline int
 275 mtkswitch_portforphy(int phy)
 276 {
 277
 278         return (phy);
 279 }
 280
 281 static inline int
 282 mtkswitch_phyforport(int port)
 283 {
 284
 285         return (port);
 286 }
 287
 288 static inline struct mii_data *
 289 mtkswitch_miiforport(struct mtkswitch_softc *sc, int port)
 290 {
 291         int phy = mtkswitch_phyforport(port);
 292
 293         if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS || sc->miibus[phy] == NULL)
 294                 return (NULL);
 295
 296         return (device_get_softc(sc->miibus[phy]));
 297 }
 298
 299 static inline struct ifnet *
 300 mtkswitch_ifpforport(struct mtkswitch_softc *sc, int port)
 301 {
 302         int phy = mtkswitch_phyforport(port);
 303
 304         if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS)
 305                 return (NULL);
 306
 307         return (sc->ifp[phy]);
 308 }
 309
 310 /*
 311  * Convert port status to ifmedia.
 312  */
 313 static void
 314 mtkswitch_update_ifmedia(uint32_t portstatus, u_int *media_status,
 315     u_int *media_active)
 316 {
 317         *media_active = IFM_ETHER;
 318         *media_status = IFM_AVALID;
 319
 320         if ((portstatus & MTKSWITCH_LINK_UP) != 0)
 321                 *media_status |= IFM_ACTIVE;
 322         else {
 323                 *media_active |= IFM_NONE;
 324                 return;
 325         }
 326
 327         switch (portstatus & MTKSWITCH_SPEED_MASK) {
 328         case MTKSWITCH_SPEED_10:
 329                 *media_active |= IFM_10_T;
 330                 break;
 331         case MTKSWITCH_SPEED_100:
 332                 *media_active |= IFM_100_TX;
 333                 break;
 334         case MTKSWITCH_SPEED_1000:
 335                 *media_active |= IFM_1000_T;
 336                 break;
 337         }
 338
 339         if ((portstatus & MTKSWITCH_DUPLEX) != 0)
 340                 *media_active |= IFM_FDX;
 341         else
 342                 *media_active |= IFM_HDX;
 343
 344         if ((portstatus & MTKSWITCH_TXFLOW) != 0)
 345                 *media_active |= IFM_ETH_TXPAUSE;
 346         if ((portstatus & MTKSWITCH_RXFLOW) != 0)
 347                 *media_active |= IFM_ETH_RXPAUSE;
 348 }
 349
 350 static void
 351 mtkswitch_miipollstat(struct mtkswitch_softc *sc)
 352 {
 353         struct mii_data *mii;
 354         struct mii_softc *miisc;
 355         uint32_t portstatus;
 356         int i, port_flap = 0;
 357
 358         MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED);
 359
 360         for (i = 0; i < sc->numphys; i++) {
 361                 if (sc->miibus[i] == NULL)
 362                         continue;
 363                 mii = device_get_softc(sc->miibus[i]);
 364                 portstatus = sc->hal.mtkswitch_get_port_status(sc,
 365                     mtkswitch_portforphy(i));
 366
 367                 /* If a port has flapped - mark it so we can flush the ATU */
 368                 if (((mii->mii_media_status & IFM_ACTIVE) == 0 &&
 369                     (portstatus & MTKSWITCH_LINK_UP) != 0) ||
 370                     ((mii->mii_media_status & IFM_ACTIVE) != 0 &&
 371                     (portstatus & MTKSWITCH_LINK_UP) == 0)) {
 372                         port_flap = 1;
 373                 }
 374
 375                 mtkswitch_update_ifmedia(portstatus, &mii->mii_media_status,
 376                     &mii->mii_media_active);
 377                 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
 378                         if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
 379                             miisc->mii_inst)
 380                                 continue;
 381                         mii_phy_update(miisc, MII_POLLSTAT);
 382                 }
 383         }
 384
 385         if (port_flap)
 386                 sc->hal.mtkswitch_atu_flush(sc);
 387 }
 388
 389 static void
 390 mtkswitch_tick(void *arg)
 391 {
 392         struct mtkswitch_softc *sc = arg;
 393
 394         mtkswitch_miipollstat(sc);
 395         callout_reset(&sc->callout_tick, hz, mtkswitch_tick, sc);
 396 }
 397
 398 static void
 399 mtkswitch_lock(device_t dev)
 400 {
 401         struct mtkswitch_softc *sc = device_get_softc(dev);
 402
 403         MTKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
 404         MTKSWITCH_LOCK(sc);
 405 }
 406
 407 static void
 408 mtkswitch_unlock(device_t dev)
 409 {
 410         struct mtkswitch_softc *sc = device_get_softc(dev);
 411
 412         MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED);
 413         MTKSWITCH_UNLOCK(sc);
 414 }
 415
 416 static etherswitch_info_t *
 417 mtkswitch_getinfo(device_t dev)
 418 {
 419         struct mtkswitch_softc *sc = device_get_softc(dev);
 420
 421         return (&sc->info);
 422 }
 423
 424 static inline int
 425 mtkswitch_is_cpuport(struct mtkswitch_softc *sc, int port)
 426 {
 427
 428         return (sc->cpuport == port);
 429 }
 430
 431 static int
 432 mtkswitch_getport(device_t dev, etherswitch_port_t *p)
 433 {
 434         struct mtkswitch_softc *sc;
 435         struct mii_data *mii;
 436         struct ifmediareq *ifmr;
 437         int err;
 438
 439         sc = device_get_softc(dev);
 440         if (p->es_port < 0 || p->es_port > sc->info.es_nports)
 441                 return (ENXIO);
 442
 443         err = sc->hal.mtkswitch_port_vlan_get(sc, p);
 444         if (err != 0)
 445                 return (err);
 446
 447         mii = mtkswitch_miiforport(sc, p->es_port);
 448         if (mtkswitch_is_cpuport(sc, p->es_port)) {
 449                 /* fill in fixed values for CPU port */
 450                 /* XXX is this valid in all cases? */
 451                 p->es_flags |= ETHERSWITCH_PORT_CPU;
 452                 ifmr = &p->es_ifmr;
 453                 ifmr->ifm_count = 0;
 454                 ifmr->ifm_current = ifmr->ifm_active =
 455                     IFM_ETHER | IFM_1000_T | IFM_FDX;
 456                 ifmr->ifm_mask = 0;
 457                 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
 458         } else if (mii != NULL) {
 459                 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
 460                     &mii->mii_media, SIOCGIFMEDIA);
 461                 if (err)
 462                         return (err);
 463         } else {
 464                 ifmr = &p->es_ifmr;
 465                 ifmr->ifm_count = 0;
 466                 ifmr->ifm_current = ifmr->ifm_active = IFM_NONE;
 467                 ifmr->ifm_mask = 0;
 468                 ifmr->ifm_status = 0;
 469         }
 470         return (0);
 471 }
 472
 473 static int
 474 mtkswitch_setport(device_t dev, etherswitch_port_t *p)
 475 {
 476         int err;
 477         struct mtkswitch_softc *sc;
 478         struct ifmedia *ifm;
 479         struct mii_data *mii;
 480         struct ifnet *ifp;
 481
 482         sc = device_get_softc(dev);
 483         if (p->es_port < 0 || p->es_port > sc->info.es_nports)
 484                 return (ENXIO);
 485
 486         /* Port flags. */
 487         if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
 488                 err = sc->hal.mtkswitch_port_vlan_setup(sc, p);
 489                 if (err)
 490                         return (err);
 491         }
 492
 493         /* Do not allow media changes on CPU port. */
 494         if (mtkswitch_is_cpuport(sc, p->es_port))
 495                 return (0);
 496
 497         mii = mtkswitch_miiforport(sc, p->es_port);
 498         if (mii == NULL)
 499                 return (ENXIO);
 500
 501         ifp = mtkswitch_ifpforport(sc, p->es_port);
 502
 503         ifm = &mii->mii_media;
 504         return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA));
 505 }
 506
 507 static void
 508 mtkswitch_statchg(device_t dev)
 509 {
 510
 511         DPRINTF(dev, "%s\n", __func__);
 512 }
 513
 514 static int
 515 mtkswitch_ifmedia_upd(struct ifnet *ifp)
 516 {
 517         struct mtkswitch_softc *sc = ifp->if_softc;
 518         struct mii_data *mii = mtkswitch_miiforport(sc, ifp->if_dunit);
 519
 520         if (mii == NULL)
 521                 return (ENXIO);
 522         mii_mediachg(mii);
 523         return (0);
 524 }
 525
 526 static void
 527 mtkswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
 528 {
 529         struct mtkswitch_softc *sc = ifp->if_softc;
 530         struct mii_data *mii = mtkswitch_miiforport(sc, ifp->if_dunit);
 531
 532         DPRINTF(sc->sc_dev, "%s\n", __func__);
 533
 534         if (mii == NULL)
 535                 return;
 536         mii_pollstat(mii);
 537         ifmr->ifm_active = mii->mii_media_active;
 538         ifmr->ifm_status = mii->mii_media_status;
 539 }
 540
 541 static int
 542 mtkswitch_getconf(device_t dev, etherswitch_conf_t *conf)
 543 {
 544         struct mtkswitch_softc *sc;
 545
 546         sc = device_get_softc(dev);
 547
 548         /* Return the VLAN mode. */
 549         conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
 550         conf->vlan_mode = sc->vlan_mode;
 551
 552         return (0);
 553 }
 554
 555 static int
 556 mtkswitch_setconf(device_t dev, etherswitch_conf_t *conf)
 557 {
 558         struct mtkswitch_softc *sc;
 559         int err;
 560
 561         sc = device_get_softc(dev);
 562
 563         /* Set the VLAN mode. */
 564         if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) {
 565                 err = mtkswitch_set_vlan_mode(sc, conf->vlan_mode);
 566                 if (err != 0)
 567                         return (err);
 568         }
 569
 570         return (0);
 571 }
 572
 573 static int
 574 mtkswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e)
 575 {
 576         struct mtkswitch_softc *sc = device_get_softc(dev);
 577
 578         return (sc->hal.mtkswitch_vlan_getvgroup(sc, e));
 579 }
 580
 581 static int
 582 mtkswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e)
 583 {
 584         struct mtkswitch_softc *sc = device_get_softc(dev);
 585
 586         return (sc->hal.mtkswitch_vlan_setvgroup(sc, e));
 587 }
 588
 589 static int
 590 mtkswitch_readphy(device_t dev, int phy, int reg)
 591 {
 592         struct mtkswitch_softc *sc = device_get_softc(dev);
 593
 594         return (sc->hal.mtkswitch_phy_read(dev, phy, reg));
 595 }
 596
 597 static int
 598 mtkswitch_writephy(device_t dev, int phy, int reg, int val)
 599 {
 600         struct mtkswitch_softc *sc = device_get_softc(dev);
 601
 602         return (sc->hal.mtkswitch_phy_write(dev, phy, reg, val));
 603 }
 604
 605 static int
 606 mtkswitch_readreg(device_t dev, int addr)
 607 {
 608         struct mtkswitch_softc *sc = device_get_softc(dev);
 609
 610         return (sc->hal.mtkswitch_reg_read(dev, addr));
 611 }
 612
 613 static int
 614 mtkswitch_writereg(device_t dev, int addr, int value)
 615 {
 616         struct mtkswitch_softc *sc = device_get_softc(dev);
 617
 618         return (sc->hal.mtkswitch_reg_write(dev, addr, value));
 619 }
 620
 621 static device_method_t mtkswitch_methods[] = {
 622         /* Device interface */
 623         DEVMETHOD(device_probe,         mtkswitch_probe),
 624         DEVMETHOD(device_attach,        mtkswitch_attach),
 625         DEVMETHOD(device_detach,        mtkswitch_detach),
 626
 627         /* bus interface */
 628         DEVMETHOD(bus_add_child,        device_add_child_ordered),
 629
 630         /* MII interface */
 631         DEVMETHOD(miibus_readreg,       mtkswitch_readphy),
 632         DEVMETHOD(miibus_writereg,      mtkswitch_writephy),
 633         DEVMETHOD(miibus_statchg,       mtkswitch_statchg),
 634
 635         /* MDIO interface */
 636         DEVMETHOD(mdio_readreg,         mtkswitch_readphy),
 637         DEVMETHOD(mdio_writereg,        mtkswitch_writephy),
 638
 639         /* ehterswitch interface */
 640         DEVMETHOD(etherswitch_lock,     mtkswitch_lock),
 641         DEVMETHOD(etherswitch_unlock,   mtkswitch_unlock),
 642         DEVMETHOD(etherswitch_getinfo,  mtkswitch_getinfo),
 643         DEVMETHOD(etherswitch_readreg,  mtkswitch_readreg),
 644         DEVMETHOD(etherswitch_writereg, mtkswitch_writereg),
 645         DEVMETHOD(etherswitch_readphyreg,       mtkswitch_readphy),
 646         DEVMETHOD(etherswitch_writephyreg,      mtkswitch_writephy),
 647         DEVMETHOD(etherswitch_getport,  mtkswitch_getport),
 648         DEVMETHOD(etherswitch_setport,  mtkswitch_setport),
 649         DEVMETHOD(etherswitch_getvgroup,        mtkswitch_getvgroup),
 650         DEVMETHOD(etherswitch_setvgroup,        mtkswitch_setvgroup),
 651         DEVMETHOD(etherswitch_getconf,  mtkswitch_getconf),
 652         DEVMETHOD(etherswitch_setconf,  mtkswitch_setconf),
 653
 654         DEVMETHOD_END
 655 };
 656
 657 DEFINE_CLASS_0(mtkswitch, mtkswitch_driver, mtkswitch_methods,
 658     sizeof(struct mtkswitch_softc));
 659 static devclass_t mtkswitch_devclass;
 660
 661 DRIVER_MODULE(mtkswitch, simplebus, mtkswitch_driver, mtkswitch_devclass, 0, 0);
 662 DRIVER_MODULE(miibus, mtkswitch, miibus_driver, miibus_devclass, 0, 0);
 663 DRIVER_MODULE(mdio, mtkswitch, mdio_driver, mdio_devclass, 0, 0);
 664 DRIVER_MODULE(etherswitch, mtkswitch, etherswitch_driver, etherswitch_devclass,
 665     0, 0);
 666 MODULE_VERSION(mtkswitch, 1);
 667 MODULE_DEPEND(mtkswitch, miibus, 1, 1, 1);
 668 MODULE_DEPEND(mtkswitch, etherswitch, 1, 1, 1);