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