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 | CTLFLAG_MPSAFE, 0,
  68     "mtkswitch");
  69 #endif
  70
  71 static inline int mtkswitch_portforphy(int phy);
  72 static int mtkswitch_ifmedia_upd(struct ifnet *ifp);
  73 static void mtkswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr);
  74 static void mtkswitch_tick(void *arg);
  75
  76 static const struct ofw_compat_data compat_data[] = {
  77         { "ralink,rt3050-esw",          MTK_SWITCH_RT3050 },
  78         { "ralink,rt3352-esw",          MTK_SWITCH_RT3352 },
  79         { "ralink,rt5350-esw",          MTK_SWITCH_RT5350 },
  80         { "mediatek,mt7620-gsw",        MTK_SWITCH_MT7620 },
  81         { "mediatek,mt7621-gsw",        MTK_SWITCH_MT7621 },
  82         { "mediatek,mt7628-esw",        MTK_SWITCH_MT7628 },
  83
  84         /* Sentinel */
  85         { NULL,                         MTK_SWITCH_NONE }
  86 };
  87
  88 static int
  89 mtkswitch_probe(device_t dev)
  90 {
  91         struct mtkswitch_softc *sc;
  92         mtk_switch_type switch_type;
  93
  94         if (!ofw_bus_status_okay(dev))
  95                 return (ENXIO);
  96
  97         switch_type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
  98         if (switch_type == MTK_SWITCH_NONE)
  99                 return (ENXIO);
 100
 101         sc = device_get_softc(dev);
 102         bzero(sc, sizeof(*sc));
 103         sc->sc_switchtype = switch_type;
 104
 105         device_set_desc_copy(dev, "MTK Switch Driver");
 106
 107         return (0);
 108 }
 109
 110 static int
 111 mtkswitch_attach_phys(struct mtkswitch_softc *sc)
 112 {
 113         int phy, err = 0;
 114         char name[IFNAMSIZ];
 115
 116         /* PHYs need an interface, so we generate a dummy one */
 117         snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
 118         for (phy = 0; phy < sc->numphys; phy++) {
 119                 if ((sc->phymap & (1u << phy)) == 0) {
 120                         sc->ifp[phy] = NULL;
 121                         sc->ifname[phy] = NULL;
 122                         sc->miibus[phy] = NULL;
 123                         continue;
 124                 }
 125                 sc->ifp[phy] = if_alloc(IFT_ETHER);
 126                 if (sc->ifp[phy] == NULL) {
 127                         device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
 128                         err = ENOMEM;
 129                         break;
 130                 }
 131
 132                 sc->ifp[phy]->if_softc = sc;
 133                 sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST |
 134                     IFF_DRV_RUNNING | IFF_SIMPLEX;
 135                 sc->ifname[phy] = malloc(strlen(name) + 1, M_DEVBUF, M_WAITOK);
 136                 bcopy(name, sc->ifname[phy], strlen(name) + 1);
 137                 if_initname(sc->ifp[phy], sc->ifname[phy],
 138                     mtkswitch_portforphy(phy));
 139                 err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy],
 140                     mtkswitch_ifmedia_upd, mtkswitch_ifmedia_sts,
 141                     BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
 142                 if (err != 0) {
 143                         device_printf(sc->sc_dev,
 144                             "attaching PHY %d failed\n",
 145                             phy);
 146                 } else {
 147                         DPRINTF(sc->sc_dev, "%s attached to pseudo interface "
 148                             "%s\n", device_get_nameunit(sc->miibus[phy]),
 149                             sc->ifp[phy]->if_xname);
 150                 }
 151         }
 152         return (err);
 153 }
 154
 155 static int
 156 mtkswitch_set_vlan_mode(struct mtkswitch_softc *sc, uint32_t mode)
 157 {
 158
 159         /* Check for invalid modes. */
 160         if ((mode & sc->info.es_vlan_caps) != mode)
 161                 return (EINVAL);
 162
 163         sc->vlan_mode = mode;
 164
 165         /* Reset VLANs. */
 166         sc->hal.mtkswitch_vlan_init_hw(sc);
 167
 168         return (0);
 169 }
 170
 171 static int
 172 mtkswitch_attach(device_t dev)
 173 {
 174         struct mtkswitch_softc *sc;
 175         int err = 0;
 176         int port, rid;
 177
 178         sc = device_get_softc(dev);
 179
 180         /* sc->sc_switchtype is already decided in mtkswitch_probe() */
 181         sc->numports = MTKSWITCH_MAX_PORTS;
 182         sc->numphys = MTKSWITCH_MAX_PHYS;
 183         sc->cpuport = MTKSWITCH_CPU_PORT;
 184         sc->sc_dev = dev;
 185
 186         /* Attach switch related functions */
 187         if (sc->sc_switchtype == MTK_SWITCH_NONE) {
 188                 device_printf(dev, "Unknown switch type\n");
 189                 return (ENXIO);
 190         }
 191
 192         if (sc->sc_switchtype == MTK_SWITCH_MT7620 ||
 193             sc->sc_switchtype == MTK_SWITCH_MT7621)
 194                 mtk_attach_switch_mt7620(sc);
 195         else
 196                 mtk_attach_switch_rt3050(sc);
 197
 198         /* Allocate resources */
 199         rid = 0;
 200         sc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
 201             RF_ACTIVE);
 202         if (sc->sc_res == NULL) {
 203                 device_printf(dev, "could not map memory\n");
 204                 return (ENXIO);
 205         }
 206
 207         mtx_init(&sc->sc_mtx, "mtkswitch", NULL, MTX_DEF);
 208
 209         /* Reset the switch */
 210         if (sc->hal.mtkswitch_reset(sc)) {
 211                 DPRINTF(dev, "%s: mtkswitch_reset: failed\n", __func__);
 212                 return (ENXIO);
 213         }
 214
 215         err = sc->hal.mtkswitch_hw_setup(sc);
 216         DPRINTF(dev, "%s: hw_setup: err=%d\n", __func__, err);
 217         if (err != 0)
 218                 return (err);
 219
 220         err = sc->hal.mtkswitch_hw_global_setup(sc);
 221         DPRINTF(dev, "%s: hw_global_setup: err=%d\n", __func__, err);
 222         if (err != 0)
 223                 return (err);
 224
 225         /* Initialize the switch ports */
 226         for (port = 0; port < sc->numports; port++) {
 227                 sc->hal.mtkswitch_port_init(sc, port);
 228         }
 229
 230         /* Attach the PHYs and complete the bus enumeration */
 231         err = mtkswitch_attach_phys(sc);
 232         DPRINTF(dev, "%s: attach_phys: err=%d\n", __func__, err);
 233         if (err != 0)
 234                 return (err);
 235
 236         /* Default to ingress filters off. */
 237         err = mtkswitch_set_vlan_mode(sc, ETHERSWITCH_VLAN_DOT1Q);
 238         DPRINTF(dev, "%s: set_vlan_mode: err=%d\n", __func__, err);
 239         if (err != 0)
 240                 return (err);
 241
 242         bus_generic_probe(dev);
 243         bus_enumerate_hinted_children(dev);
 244         err = bus_generic_attach(dev);
 245         DPRINTF(dev, "%s: bus_generic_attach: err=%d\n", __func__, err);
 246         if (err != 0)
 247                 return (err);
 248
 249         callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0);
 250
 251         MTKSWITCH_LOCK(sc);
 252         mtkswitch_tick(sc);
 253         MTKSWITCH_UNLOCK(sc);
 254
 255         return (0);
 256 }
 257
 258 static int
 259 mtkswitch_detach(device_t dev)
 260 {
 261         struct mtkswitch_softc *sc = device_get_softc(dev);
 262         int phy;
 263
 264         callout_drain(&sc->callout_tick);
 265
 266         for (phy = 0; phy < MTKSWITCH_MAX_PHYS; phy++) {
 267                 if (sc->miibus[phy] != NULL)
 268                         device_delete_child(dev, sc->miibus[phy]);
 269                 if (sc->ifp[phy] != NULL)
 270                         if_free(sc->ifp[phy]);
 271                 free(sc->ifname[phy], M_DEVBUF);
 272         }
 273
 274         bus_generic_detach(dev);
 275         mtx_destroy(&sc->sc_mtx);
 276
 277         return (0);
 278 }
 279
 280 /* PHY <-> port mapping is currently 1:1 */
 281 static inline int
 282 mtkswitch_portforphy(int phy)
 283 {
 284
 285         return (phy);
 286 }
 287
 288 static inline int
 289 mtkswitch_phyforport(int port)
 290 {
 291
 292         return (port);
 293 }
 294
 295 static inline struct mii_data *
 296 mtkswitch_miiforport(struct mtkswitch_softc *sc, int port)
 297 {
 298         int phy = mtkswitch_phyforport(port);
 299
 300         if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS || sc->miibus[phy] == NULL)
 301                 return (NULL);
 302
 303         return (device_get_softc(sc->miibus[phy]));
 304 }
 305
 306 static inline struct ifnet *
 307 mtkswitch_ifpforport(struct mtkswitch_softc *sc, int port)
 308 {
 309         int phy = mtkswitch_phyforport(port);
 310
 311         if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS)
 312                 return (NULL);
 313
 314         return (sc->ifp[phy]);
 315 }
 316
 317 /*
 318  * Convert port status to ifmedia.
 319  */
 320 static void
 321 mtkswitch_update_ifmedia(uint32_t portstatus, u_int *media_status,
 322     u_int *media_active)
 323 {
 324         *media_active = IFM_ETHER;
 325         *media_status = IFM_AVALID;
 326
 327         if ((portstatus & MTKSWITCH_LINK_UP) != 0)
 328                 *media_status |= IFM_ACTIVE;
 329         else {
 330                 *media_active |= IFM_NONE;
 331                 return;
 332         }
 333
 334         switch (portstatus & MTKSWITCH_SPEED_MASK) {
 335         case MTKSWITCH_SPEED_10:
 336                 *media_active |= IFM_10_T;
 337                 break;
 338         case MTKSWITCH_SPEED_100:
 339                 *media_active |= IFM_100_TX;
 340                 break;
 341         case MTKSWITCH_SPEED_1000:
 342                 *media_active |= IFM_1000_T;
 343                 break;
 344         }
 345
 346         if ((portstatus & MTKSWITCH_DUPLEX) != 0)
 347                 *media_active |= IFM_FDX;
 348         else
 349                 *media_active |= IFM_HDX;
 350
 351         if ((portstatus & MTKSWITCH_TXFLOW) != 0)
 352                 *media_active |= IFM_ETH_TXPAUSE;
 353         if ((portstatus & MTKSWITCH_RXFLOW) != 0)
 354                 *media_active |= IFM_ETH_RXPAUSE;
 355 }
 356
 357 static void
 358 mtkswitch_miipollstat(struct mtkswitch_softc *sc)
 359 {
 360         struct mii_data *mii;
 361         struct mii_softc *miisc;
 362         uint32_t portstatus;
 363         int i, port_flap = 0;
 364
 365         MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED);
 366
 367         for (i = 0; i < sc->numphys; i++) {
 368                 if (sc->miibus[i] == NULL)
 369                         continue;
 370                 mii = device_get_softc(sc->miibus[i]);
 371                 portstatus = sc->hal.mtkswitch_get_port_status(sc,
 372                     mtkswitch_portforphy(i));
 373
 374                 /* If a port has flapped - mark it so we can flush the ATU */
 375                 if (((mii->mii_media_status & IFM_ACTIVE) == 0 &&
 376                     (portstatus & MTKSWITCH_LINK_UP) != 0) ||
 377                     ((mii->mii_media_status & IFM_ACTIVE) != 0 &&
 378                     (portstatus & MTKSWITCH_LINK_UP) == 0)) {
 379                         port_flap = 1;
 380                 }
 381
 382                 mtkswitch_update_ifmedia(portstatus, &mii->mii_media_status,
 383                     &mii->mii_media_active);
 384                 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
 385                         if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
 386                             miisc->mii_inst)
 387                                 continue;
 388                         mii_phy_update(miisc, MII_POLLSTAT);
 389                 }
 390         }
 391
 392         if (port_flap)
 393                 sc->hal.mtkswitch_atu_flush(sc);
 394 }
 395
 396 static void
 397 mtkswitch_tick(void *arg)
 398 {
 399         struct mtkswitch_softc *sc = arg;
 400
 401         mtkswitch_miipollstat(sc);
 402         callout_reset(&sc->callout_tick, hz, mtkswitch_tick, sc);
 403 }
 404
 405 static void
 406 mtkswitch_lock(device_t dev)
 407 {
 408         struct mtkswitch_softc *sc = device_get_softc(dev);
 409
 410         MTKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
 411         MTKSWITCH_LOCK(sc);
 412 }
 413
 414 static void
 415 mtkswitch_unlock(device_t dev)
 416 {
 417         struct mtkswitch_softc *sc = device_get_softc(dev);
 418
 419         MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED);
 420         MTKSWITCH_UNLOCK(sc);
 421 }
 422
 423 static etherswitch_info_t *
 424 mtkswitch_getinfo(device_t dev)
 425 {
 426         struct mtkswitch_softc *sc = device_get_softc(dev);
 427
 428         return (&sc->info);
 429 }
 430
 431 static inline int
 432 mtkswitch_is_cpuport(struct mtkswitch_softc *sc, int port)
 433 {
 434
 435         return (sc->cpuport == port);
 436 }
 437
 438 static int
 439 mtkswitch_getport(device_t dev, etherswitch_port_t *p)
 440 {
 441         struct mtkswitch_softc *sc;
 442         struct mii_data *mii;
 443         struct ifmediareq *ifmr;
 444         int err;
 445
 446         sc = device_get_softc(dev);
 447         if (p->es_port < 0 || p->es_port > sc->info.es_nports)
 448                 return (ENXIO);
 449
 450         err = sc->hal.mtkswitch_port_vlan_get(sc, p);
 451         if (err != 0)
 452                 return (err);
 453
 454         mii = mtkswitch_miiforport(sc, p->es_port);
 455         if (mtkswitch_is_cpuport(sc, p->es_port)) {
 456                 /* fill in fixed values for CPU port */
 457                 /* XXX is this valid in all cases? */
 458                 p->es_flags |= ETHERSWITCH_PORT_CPU;
 459                 ifmr = &p->es_ifmr;
 460                 ifmr->ifm_count = 0;
 461                 ifmr->ifm_current = ifmr->ifm_active =
 462                     IFM_ETHER | IFM_1000_T | IFM_FDX;
 463                 ifmr->ifm_mask = 0;
 464                 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
 465         } else if (mii != NULL) {
 466                 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
 467                     &mii->mii_media, SIOCGIFMEDIA);
 468                 if (err)
 469                         return (err);
 470         } else {
 471                 ifmr = &p->es_ifmr;
 472                 ifmr->ifm_count = 0;
 473                 ifmr->ifm_current = ifmr->ifm_active = IFM_NONE;
 474                 ifmr->ifm_mask = 0;
 475                 ifmr->ifm_status = 0;
 476         }
 477         return (0);
 478 }
 479
 480 static int
 481 mtkswitch_setport(device_t dev, etherswitch_port_t *p)
 482 {
 483         int err;
 484         struct mtkswitch_softc *sc;
 485         struct ifmedia *ifm;
 486         struct mii_data *mii;
 487         struct ifnet *ifp;
 488
 489         sc = device_get_softc(dev);
 490         if (p->es_port < 0 || p->es_port > sc->info.es_nports)
 491                 return (ENXIO);
 492
 493         /* Port flags. */
 494         if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
 495                 err = sc->hal.mtkswitch_port_vlan_setup(sc, p);
 496                 if (err)
 497                         return (err);
 498         }
 499
 500         /* Do not allow media changes on CPU port. */
 501         if (mtkswitch_is_cpuport(sc, p->es_port))
 502                 return (0);
 503
 504         mii = mtkswitch_miiforport(sc, p->es_port);
 505         if (mii == NULL)
 506                 return (ENXIO);
 507
 508         ifp = mtkswitch_ifpforport(sc, p->es_port);
 509
 510         ifm = &mii->mii_media;
 511         return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA));
 512 }
 513
 514 static void
 515 mtkswitch_statchg(device_t dev)
 516 {
 517
 518         DPRINTF(dev, "%s\n", __func__);
 519 }
 520
 521 static int
 522 mtkswitch_ifmedia_upd(struct ifnet *ifp)
 523 {
 524         struct mtkswitch_softc *sc = ifp->if_softc;
 525         struct mii_data *mii = mtkswitch_miiforport(sc, ifp->if_dunit);
 526
 527         if (mii == NULL)
 528                 return (ENXIO);
 529         mii_mediachg(mii);
 530         return (0);
 531 }
 532
 533 static void
 534 mtkswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
 535 {
 536         struct mtkswitch_softc *sc = ifp->if_softc;
 537         struct mii_data *mii = mtkswitch_miiforport(sc, ifp->if_dunit);
 538
 539         DPRINTF(sc->sc_dev, "%s\n", __func__);
 540
 541         if (mii == NULL)
 542                 return;
 543         mii_pollstat(mii);
 544         ifmr->ifm_active = mii->mii_media_active;
 545         ifmr->ifm_status = mii->mii_media_status;
 546 }
 547
 548 static int
 549 mtkswitch_getconf(device_t dev, etherswitch_conf_t *conf)
 550 {
 551         struct mtkswitch_softc *sc;
 552
 553         sc = device_get_softc(dev);
 554
 555         /* Return the VLAN mode. */
 556         conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
 557         conf->vlan_mode = sc->vlan_mode;
 558
 559         return (0);
 560 }
 561
 562 static int
 563 mtkswitch_setconf(device_t dev, etherswitch_conf_t *conf)
 564 {
 565         struct mtkswitch_softc *sc;
 566         int err;
 567
 568         sc = device_get_softc(dev);
 569
 570         /* Set the VLAN mode. */
 571         if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) {
 572                 err = mtkswitch_set_vlan_mode(sc, conf->vlan_mode);
 573                 if (err != 0)
 574                         return (err);
 575         }
 576
 577         return (0);
 578 }
 579
 580 static int
 581 mtkswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e)
 582 {
 583         struct mtkswitch_softc *sc = device_get_softc(dev);
 584
 585         return (sc->hal.mtkswitch_vlan_getvgroup(sc, e));
 586 }
 587
 588 static int
 589 mtkswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e)
 590 {
 591         struct mtkswitch_softc *sc = device_get_softc(dev);
 592
 593         return (sc->hal.mtkswitch_vlan_setvgroup(sc, e));
 594 }
 595
 596 static int
 597 mtkswitch_readphy(device_t dev, int phy, int reg)
 598 {
 599         struct mtkswitch_softc *sc = device_get_softc(dev);
 600
 601         return (sc->hal.mtkswitch_phy_read(dev, phy, reg));
 602 }
 603
 604 static int
 605 mtkswitch_writephy(device_t dev, int phy, int reg, int val)
 606 {
 607         struct mtkswitch_softc *sc = device_get_softc(dev);
 608
 609         return (sc->hal.mtkswitch_phy_write(dev, phy, reg, val));
 610 }
 611
 612 static int
 613 mtkswitch_readreg(device_t dev, int addr)
 614 {
 615         struct mtkswitch_softc *sc = device_get_softc(dev);
 616
 617         return (sc->hal.mtkswitch_reg_read(dev, addr));
 618 }
 619
 620 static int
 621 mtkswitch_writereg(device_t dev, int addr, int value)
 622 {
 623         struct mtkswitch_softc *sc = device_get_softc(dev);
 624
 625         return (sc->hal.mtkswitch_reg_write(dev, addr, value));
 626 }
 627
 628 static device_method_t mtkswitch_methods[] = {
 629         /* Device interface */
 630         DEVMETHOD(device_probe,         mtkswitch_probe),
 631         DEVMETHOD(device_attach,        mtkswitch_attach),
 632         DEVMETHOD(device_detach,        mtkswitch_detach),
 633
 634         /* bus interface */
 635         DEVMETHOD(bus_add_child,        device_add_child_ordered),
 636
 637         /* MII interface */
 638         DEVMETHOD(miibus_readreg,       mtkswitch_readphy),
 639         DEVMETHOD(miibus_writereg,      mtkswitch_writephy),
 640         DEVMETHOD(miibus_statchg,       mtkswitch_statchg),
 641
 642         /* MDIO interface */
 643         DEVMETHOD(mdio_readreg,         mtkswitch_readphy),
 644         DEVMETHOD(mdio_writereg,        mtkswitch_writephy),
 645
 646         /* ehterswitch interface */
 647         DEVMETHOD(etherswitch_lock,     mtkswitch_lock),
 648         DEVMETHOD(etherswitch_unlock,   mtkswitch_unlock),
 649         DEVMETHOD(etherswitch_getinfo,  mtkswitch_getinfo),
 650         DEVMETHOD(etherswitch_readreg,  mtkswitch_readreg),
 651         DEVMETHOD(etherswitch_writereg, mtkswitch_writereg),
 652         DEVMETHOD(etherswitch_readphyreg,       mtkswitch_readphy),
 653         DEVMETHOD(etherswitch_writephyreg,      mtkswitch_writephy),
 654         DEVMETHOD(etherswitch_getport,  mtkswitch_getport),
 655         DEVMETHOD(etherswitch_setport,  mtkswitch_setport),
 656         DEVMETHOD(etherswitch_getvgroup,        mtkswitch_getvgroup),
 657         DEVMETHOD(etherswitch_setvgroup,        mtkswitch_setvgroup),
 658         DEVMETHOD(etherswitch_getconf,  mtkswitch_getconf),
 659         DEVMETHOD(etherswitch_setconf,  mtkswitch_setconf),
 660
 661         DEVMETHOD_END
 662 };
 663
 664 DEFINE_CLASS_0(mtkswitch, mtkswitch_driver, mtkswitch_methods,
 665     sizeof(struct mtkswitch_softc));
 666 static devclass_t mtkswitch_devclass;
 667
 668 DRIVER_MODULE(mtkswitch, simplebus, mtkswitch_driver, mtkswitch_devclass, 0, 0);
 669 DRIVER_MODULE(miibus, mtkswitch, miibus_driver, miibus_devclass, 0, 0);
 670 DRIVER_MODULE(mdio, mtkswitch, mdio_driver, mdio_devclass, 0, 0);
 671 DRIVER_MODULE(etherswitch, mtkswitch, etherswitch_driver, etherswitch_devclass,
 672     0, 0);
 673 MODULE_VERSION(mtkswitch, 1);
 674 MODULE_DEPEND(mtkswitch, miibus, 1, 1, 1);
 675 MODULE_DEPEND(mtkswitch, etherswitch, 1, 1, 1);