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                 if (sc->ifp[phy] == NULL) {
 126                         device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
 127                         err = ENOMEM;
 128                         break;
 129                 }
 130
 131                 sc->ifp[phy]->if_softc = sc;
 132                 sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST |
 133                     IFF_DRV_RUNNING | IFF_SIMPLEX;
 134                 sc->ifname[phy] = malloc(strlen(name) + 1, M_DEVBUF, M_WAITOK);
 135                 bcopy(name, sc->ifname[phy], strlen(name) + 1);
 136                 if_initname(sc->ifp[phy], sc->ifname[phy],
 137                     mtkswitch_portforphy(phy));
 138                 err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy],
 139                     mtkswitch_ifmedia_upd, mtkswitch_ifmedia_sts,
 140                     BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
 141                 if (err != 0) {
 142                         device_printf(sc->sc_dev,
 143                             "attaching PHY %d failed\n",
 144                             phy);
 145                 } else {
 146                         DPRINTF(sc->sc_dev, "%s attached to pseudo interface "
 147                             "%s\n", device_get_nameunit(sc->miibus[phy]),
 148                             sc->ifp[phy]->if_xname);
 149                 }
 150         }
 151         return (err);
 152 }
 153
 154 static int
 155 mtkswitch_set_vlan_mode(struct mtkswitch_softc *sc, uint32_t mode)
 156 {
 157
 158         /* Check for invalid modes. */
 159         if ((mode & sc->info.es_vlan_caps) != mode)
 160                 return (EINVAL);
 161
 162         sc->vlan_mode = mode;
 163
 164         /* Reset VLANs. */
 165         sc->hal.mtkswitch_vlan_init_hw(sc);
 166
 167         return (0);
 168 }
 169
 170 static int
 171 mtkswitch_attach(device_t dev)
 172 {
 173         struct mtkswitch_softc *sc;
 174         int err = 0;
 175         int port, rid;
 176
 177         sc = device_get_softc(dev);
 178
 179         /* sc->sc_switchtype is already decided in mtkswitch_probe() */
 180         sc->numports = MTKSWITCH_MAX_PORTS;
 181         sc->numphys = MTKSWITCH_MAX_PHYS;
 182         sc->cpuport = MTKSWITCH_CPU_PORT;
 183         sc->sc_dev = dev;
 184
 185         /* Attach switch related functions */
 186         if (sc->sc_switchtype == MTK_SWITCH_NONE) {
 187                 device_printf(dev, "Unknown switch type\n");
 188                 return (ENXIO);
 189         }
 190
 191         if (sc->sc_switchtype == MTK_SWITCH_MT7620 ||
 192             sc->sc_switchtype == MTK_SWITCH_MT7621)
 193                 mtk_attach_switch_mt7620(sc);
 194         else
 195                 mtk_attach_switch_rt3050(sc);
 196
 197         /* Allocate resources */
 198         rid = 0;
 199         sc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
 200             RF_ACTIVE);
 201         if (sc->sc_res == NULL) {
 202                 device_printf(dev, "could not map memory\n");
 203                 return (ENXIO);
 204         }
 205
 206         mtx_init(&sc->sc_mtx, "mtkswitch", NULL, MTX_DEF);
 207
 208         /* Reset the switch */
 209         if (sc->hal.mtkswitch_reset(sc)) {
 210                 DPRINTF(dev, "%s: mtkswitch_reset: failed\n", __func__);
 211                 return (ENXIO);
 212         }
 213
 214         err = sc->hal.mtkswitch_hw_setup(sc);
 215         DPRINTF(dev, "%s: hw_setup: err=%d\n", __func__, err);
 216         if (err != 0)
 217                 return (err);
 218
 219         err = sc->hal.mtkswitch_hw_global_setup(sc);
 220         DPRINTF(dev, "%s: hw_global_setup: err=%d\n", __func__, err);
 221         if (err != 0)
 222                 return (err);
 223
 224         /* Initialize the switch ports */
 225         for (port = 0; port < sc->numports; port++) {
 226                 sc->hal.mtkswitch_port_init(sc, port);
 227         }
 228
 229         /* Attach the PHYs and complete the bus enumeration */
 230         err = mtkswitch_attach_phys(sc);
 231         DPRINTF(dev, "%s: attach_phys: err=%d\n", __func__, err);
 232         if (err != 0)
 233                 return (err);
 234
 235         /* Default to ingress filters off. */
 236         err = mtkswitch_set_vlan_mode(sc, ETHERSWITCH_VLAN_DOT1Q);
 237         DPRINTF(dev, "%s: set_vlan_mode: err=%d\n", __func__, err);
 238         if (err != 0)
 239                 return (err);
 240
 241         bus_generic_probe(dev);
 242         bus_enumerate_hinted_children(dev);
 243         err = bus_generic_attach(dev);
 244         DPRINTF(dev, "%s: bus_generic_attach: err=%d\n", __func__, err);
 245         if (err != 0)
 246                 return (err);
 247
 248         callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0);
 249
 250         MTKSWITCH_LOCK(sc);
 251         mtkswitch_tick(sc);
 252         MTKSWITCH_UNLOCK(sc);
 253
 254         return (0);
 255 }
 256
 257 static int
 258 mtkswitch_detach(device_t dev)
 259 {
 260         struct mtkswitch_softc *sc = device_get_softc(dev);
 261         int phy;
 262
 263         callout_drain(&sc->callout_tick);
 264
 265         for (phy = 0; phy < MTKSWITCH_MAX_PHYS; phy++) {
 266                 if (sc->miibus[phy] != NULL)
 267                         device_delete_child(dev, sc->miibus[phy]);
 268                 if (sc->ifp[phy] != NULL)
 269                         if_free(sc->ifp[phy]);
 270                 free(sc->ifname[phy], M_DEVBUF);
 271         }
 272
 273         bus_generic_detach(dev);
 274         mtx_destroy(&sc->sc_mtx);
 275
 276         return (0);
 277 }
 278
 279 /* PHY <-> port mapping is currently 1:1 */
 280 static inline int
 281 mtkswitch_portforphy(int phy)
 282 {
 283
 284         return (phy);
 285 }
 286
 287 static inline int
 288 mtkswitch_phyforport(int port)
 289 {
 290
 291         return (port);
 292 }
 293
 294 static inline struct mii_data *
 295 mtkswitch_miiforport(struct mtkswitch_softc *sc, int port)
 296 {
 297         int phy = mtkswitch_phyforport(port);
 298
 299         if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS || sc->miibus[phy] == NULL)
 300                 return (NULL);
 301
 302         return (device_get_softc(sc->miibus[phy]));
 303 }
 304
 305 static inline struct ifnet *
 306 mtkswitch_ifpforport(struct mtkswitch_softc *sc, int port)
 307 {
 308         int phy = mtkswitch_phyforport(port);
 309
 310         if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS)
 311                 return (NULL);
 312
 313         return (sc->ifp[phy]);
 314 }
 315
 316 /*
 317  * Convert port status to ifmedia.
 318  */
 319 static void
 320 mtkswitch_update_ifmedia(uint32_t portstatus, u_int *media_status,
 321     u_int *media_active)
 322 {
 323         *media_active = IFM_ETHER;
 324         *media_status = IFM_AVALID;
 325
 326         if ((portstatus & MTKSWITCH_LINK_UP) != 0)
 327                 *media_status |= IFM_ACTIVE;
 328         else {
 329                 *media_active |= IFM_NONE;
 330                 return;
 331         }
 332
 333         switch (portstatus & MTKSWITCH_SPEED_MASK) {
 334         case MTKSWITCH_SPEED_10:
 335                 *media_active |= IFM_10_T;
 336                 break;
 337         case MTKSWITCH_SPEED_100:
 338                 *media_active |= IFM_100_TX;
 339                 break;
 340         case MTKSWITCH_SPEED_1000:
 341                 *media_active |= IFM_1000_T;
 342                 break;
 343         }
 344
 345         if ((portstatus & MTKSWITCH_DUPLEX) != 0)
 346                 *media_active |= IFM_FDX;
 347         else
 348                 *media_active |= IFM_HDX;
 349
 350         if ((portstatus & MTKSWITCH_TXFLOW) != 0)
 351                 *media_active |= IFM_ETH_TXPAUSE;
 352         if ((portstatus & MTKSWITCH_RXFLOW) != 0)
 353                 *media_active |= IFM_ETH_RXPAUSE;
 354 }
 355
 356 static void
 357 mtkswitch_miipollstat(struct mtkswitch_softc *sc)
 358 {
 359         struct mii_data *mii;
 360         struct mii_softc *miisc;
 361         uint32_t portstatus;
 362         int i, port_flap = 0;
 363
 364         MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED);
 365
 366         for (i = 0; i < sc->numphys; i++) {
 367                 if (sc->miibus[i] == NULL)
 368                         continue;
 369                 mii = device_get_softc(sc->miibus[i]);
 370                 portstatus = sc->hal.mtkswitch_get_port_status(sc,
 371                     mtkswitch_portforphy(i));
 372
 373                 /* If a port has flapped - mark it so we can flush the ATU */
 374                 if (((mii->mii_media_status & IFM_ACTIVE) == 0 &&
 375                     (portstatus & MTKSWITCH_LINK_UP) != 0) ||
 376                     ((mii->mii_media_status & IFM_ACTIVE) != 0 &&
 377                     (portstatus & MTKSWITCH_LINK_UP) == 0)) {
 378                         port_flap = 1;
 379                 }
 380
 381                 mtkswitch_update_ifmedia(portstatus, &mii->mii_media_status,
 382                     &mii->mii_media_active);
 383                 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
 384                         if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
 385                             miisc->mii_inst)
 386                                 continue;
 387                         mii_phy_update(miisc, MII_POLLSTAT);
 388                 }
 389         }
 390
 391         if (port_flap)
 392                 sc->hal.mtkswitch_atu_flush(sc);
 393 }
 394
 395 static void
 396 mtkswitch_tick(void *arg)
 397 {
 398         struct mtkswitch_softc *sc = arg;
 399
 400         mtkswitch_miipollstat(sc);
 401         callout_reset(&sc->callout_tick, hz, mtkswitch_tick, sc);
 402 }
 403
 404 static void
 405 mtkswitch_lock(device_t dev)
 406 {
 407         struct mtkswitch_softc *sc = device_get_softc(dev);
 408
 409         MTKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
 410         MTKSWITCH_LOCK(sc);
 411 }
 412
 413 static void
 414 mtkswitch_unlock(device_t dev)
 415 {
 416         struct mtkswitch_softc *sc = device_get_softc(dev);
 417
 418         MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED);
 419         MTKSWITCH_UNLOCK(sc);
 420 }
 421
 422 static etherswitch_info_t *
 423 mtkswitch_getinfo(device_t dev)
 424 {
 425         struct mtkswitch_softc *sc = device_get_softc(dev);
 426
 427         return (&sc->info);
 428 }
 429
 430 static inline int
 431 mtkswitch_is_cpuport(struct mtkswitch_softc *sc, int port)
 432 {
 433
 434         return (sc->cpuport == port);
 435 }
 436
 437 static int
 438 mtkswitch_getport(device_t dev, etherswitch_port_t *p)
 439 {
 440         struct mtkswitch_softc *sc;
 441         struct mii_data *mii;
 442         struct ifmediareq *ifmr;
 443         int err;
 444
 445         sc = device_get_softc(dev);
 446         if (p->es_port < 0 || p->es_port > sc->info.es_nports)
 447                 return (ENXIO);
 448
 449         err = sc->hal.mtkswitch_port_vlan_get(sc, p);
 450         if (err != 0)
 451                 return (err);
 452
 453         mii = mtkswitch_miiforport(sc, p->es_port);
 454         if (mtkswitch_is_cpuport(sc, p->es_port)) {
 455                 /* fill in fixed values for CPU port */
 456                 /* XXX is this valid in all cases? */
 457                 p->es_flags |= ETHERSWITCH_PORT_CPU;
 458                 ifmr = &p->es_ifmr;
 459                 ifmr->ifm_count = 0;
 460                 ifmr->ifm_current = ifmr->ifm_active =
 461                     IFM_ETHER | IFM_1000_T | IFM_FDX;
 462                 ifmr->ifm_mask = 0;
 463                 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
 464         } else if (mii != NULL) {
 465                 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
 466                     &mii->mii_media, SIOCGIFMEDIA);
 467                 if (err)
 468                         return (err);
 469         } else {
 470                 ifmr = &p->es_ifmr;
 471                 ifmr->ifm_count = 0;
 472                 ifmr->ifm_current = ifmr->ifm_active = IFM_NONE;
 473                 ifmr->ifm_mask = 0;
 474                 ifmr->ifm_status = 0;
 475         }
 476         return (0);
 477 }
 478
 479 static int
 480 mtkswitch_setport(device_t dev, etherswitch_port_t *p)
 481 {
 482         int err;
 483         struct mtkswitch_softc *sc;
 484         struct ifmedia *ifm;
 485         struct mii_data *mii;
 486         struct ifnet *ifp;
 487
 488         sc = device_get_softc(dev);
 489         if (p->es_port < 0 || p->es_port > sc->info.es_nports)
 490                 return (ENXIO);
 491
 492         /* Port flags. */
 493         if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
 494                 err = sc->hal.mtkswitch_port_vlan_setup(sc, p);
 495                 if (err)
 496                         return (err);
 497         }
 498
 499         /* Do not allow media changes on CPU port. */
 500         if (mtkswitch_is_cpuport(sc, p->es_port))
 501                 return (0);
 502
 503         mii = mtkswitch_miiforport(sc, p->es_port);
 504         if (mii == NULL)
 505                 return (ENXIO);
 506
 507         ifp = mtkswitch_ifpforport(sc, p->es_port);
 508
 509         ifm = &mii->mii_media;
 510         return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA));
 511 }
 512
 513 static void
 514 mtkswitch_statchg(device_t dev)
 515 {
 516
 517         DPRINTF(dev, "%s\n", __func__);
 518 }
 519
 520 static int
 521 mtkswitch_ifmedia_upd(struct ifnet *ifp)
 522 {
 523         struct mtkswitch_softc *sc = ifp->if_softc;
 524         struct mii_data *mii = mtkswitch_miiforport(sc, ifp->if_dunit);
 525
 526         if (mii == NULL)
 527                 return (ENXIO);
 528         mii_mediachg(mii);
 529         return (0);
 530 }
 531
 532 static void
 533 mtkswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
 534 {
 535         struct mtkswitch_softc *sc = ifp->if_softc;
 536         struct mii_data *mii = mtkswitch_miiforport(sc, ifp->if_dunit);
 537
 538         DPRINTF(sc->sc_dev, "%s\n", __func__);
 539
 540         if (mii == NULL)
 541                 return;
 542         mii_pollstat(mii);
 543         ifmr->ifm_active = mii->mii_media_active;
 544         ifmr->ifm_status = mii->mii_media_status;
 545 }
 546
 547 static int
 548 mtkswitch_getconf(device_t dev, etherswitch_conf_t *conf)
 549 {
 550         struct mtkswitch_softc *sc;
 551
 552         sc = device_get_softc(dev);
 553
 554         /* Return the VLAN mode. */
 555         conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
 556         conf->vlan_mode = sc->vlan_mode;
 557
 558         return (0);
 559 }
 560
 561 static int
 562 mtkswitch_setconf(device_t dev, etherswitch_conf_t *conf)
 563 {
 564         struct mtkswitch_softc *sc;
 565         int err;
 566
 567         sc = device_get_softc(dev);
 568
 569         /* Set the VLAN mode. */
 570         if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) {
 571                 err = mtkswitch_set_vlan_mode(sc, conf->vlan_mode);
 572                 if (err != 0)
 573                         return (err);
 574         }
 575
 576         return (0);
 577 }
 578
 579 static int
 580 mtkswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e)
 581 {
 582         struct mtkswitch_softc *sc = device_get_softc(dev);
 583
 584         return (sc->hal.mtkswitch_vlan_getvgroup(sc, e));
 585 }
 586
 587 static int
 588 mtkswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e)
 589 {
 590         struct mtkswitch_softc *sc = device_get_softc(dev);
 591
 592         return (sc->hal.mtkswitch_vlan_setvgroup(sc, e));
 593 }
 594
 595 static int
 596 mtkswitch_readphy(device_t dev, int phy, int reg)
 597 {
 598         struct mtkswitch_softc *sc = device_get_softc(dev);
 599
 600         return (sc->hal.mtkswitch_phy_read(dev, phy, reg));
 601 }
 602
 603 static int
 604 mtkswitch_writephy(device_t dev, int phy, int reg, int val)
 605 {
 606         struct mtkswitch_softc *sc = device_get_softc(dev);
 607
 608         return (sc->hal.mtkswitch_phy_write(dev, phy, reg, val));
 609 }
 610
 611 static int
 612 mtkswitch_readreg(device_t dev, int addr)
 613 {
 614         struct mtkswitch_softc *sc = device_get_softc(dev);
 615
 616         return (sc->hal.mtkswitch_reg_read(dev, addr));
 617 }
 618
 619 static int
 620 mtkswitch_writereg(device_t dev, int addr, int value)
 621 {
 622         struct mtkswitch_softc *sc = device_get_softc(dev);
 623
 624         return (sc->hal.mtkswitch_reg_write(dev, addr, value));
 625 }
 626
 627 static device_method_t mtkswitch_methods[] = {
 628         /* Device interface */
 629         DEVMETHOD(device_probe,         mtkswitch_probe),
 630         DEVMETHOD(device_attach,        mtkswitch_attach),
 631         DEVMETHOD(device_detach,        mtkswitch_detach),
 632
 633         /* bus interface */
 634         DEVMETHOD(bus_add_child,        device_add_child_ordered),
 635
 636         /* MII interface */
 637         DEVMETHOD(miibus_readreg,       mtkswitch_readphy),
 638         DEVMETHOD(miibus_writereg,      mtkswitch_writephy),
 639         DEVMETHOD(miibus_statchg,       mtkswitch_statchg),
 640
 641         /* MDIO interface */
 642         DEVMETHOD(mdio_readreg,         mtkswitch_readphy),
 643         DEVMETHOD(mdio_writereg,        mtkswitch_writephy),
 644
 645         /* ehterswitch interface */
 646         DEVMETHOD(etherswitch_lock,     mtkswitch_lock),
 647         DEVMETHOD(etherswitch_unlock,   mtkswitch_unlock),
 648         DEVMETHOD(etherswitch_getinfo,  mtkswitch_getinfo),
 649         DEVMETHOD(etherswitch_readreg,  mtkswitch_readreg),
 650         DEVMETHOD(etherswitch_writereg, mtkswitch_writereg),
 651         DEVMETHOD(etherswitch_readphyreg,       mtkswitch_readphy),
 652         DEVMETHOD(etherswitch_writephyreg,      mtkswitch_writephy),
 653         DEVMETHOD(etherswitch_getport,  mtkswitch_getport),
 654         DEVMETHOD(etherswitch_setport,  mtkswitch_setport),
 655         DEVMETHOD(etherswitch_getvgroup,        mtkswitch_getvgroup),
 656         DEVMETHOD(etherswitch_setvgroup,        mtkswitch_setvgroup),
 657         DEVMETHOD(etherswitch_getconf,  mtkswitch_getconf),
 658         DEVMETHOD(etherswitch_setconf,  mtkswitch_setconf),
 659
 660         DEVMETHOD_END
 661 };
 662
 663 DEFINE_CLASS_0(mtkswitch, mtkswitch_driver, mtkswitch_methods,
 664     sizeof(struct mtkswitch_softc));
 665 static devclass_t mtkswitch_devclass;
 666
 667 DRIVER_MODULE(mtkswitch, simplebus, mtkswitch_driver, mtkswitch_devclass, 0, 0);
 668 DRIVER_MODULE(miibus, mtkswitch, miibus_driver, miibus_devclass, 0, 0);
 669 DRIVER_MODULE(mdio, mtkswitch, mdio_driver, mdio_devclass, 0, 0);
 670 DRIVER_MODULE(etherswitch, mtkswitch, etherswitch_driver, etherswitch_devclass,
 671     0, 0);
 672 MODULE_VERSION(mtkswitch, 1);
 673 MODULE_DEPEND(mtkswitch, miibus, 1, 1, 1);
 674 MODULE_DEPEND(mtkswitch, etherswitch, 1, 1, 1);