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 error, phy; 252 253 error = bus_generic_detach(dev); 254 if (error != 0) 255 return (error); 256 257 callout_drain(&sc->callout_tick); 258 259 for (phy = 0; phy < MTKSWITCH_MAX_PHYS; phy++) { 260 if (sc->ifp[phy] != NULL) 261 if_free(sc->ifp[phy]); 262 free(sc->ifname[phy], M_DEVBUF); 263 } 264 265 mtx_destroy(&sc->sc_mtx); 266 267 return (0); 268 } 269 270 /* PHY <-> port mapping is currently 1:1 */ 271 static inline int 272 mtkswitch_portforphy(int phy) 273 { 274 275 return (phy); 276 } 277 278 static inline int 279 mtkswitch_phyforport(int port) 280 { 281 282 return (port); 283 } 284 285 static inline struct mii_data * 286 mtkswitch_miiforport(struct mtkswitch_softc *sc, int port) 287 { 288 int phy = mtkswitch_phyforport(port); 289 290 if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS || sc->miibus[phy] == NULL) 291 return (NULL); 292 293 return (device_get_softc(sc->miibus[phy])); 294 } 295 296 static inline if_t 297 mtkswitch_ifpforport(struct mtkswitch_softc *sc, int port) 298 { 299 int phy = mtkswitch_phyforport(port); 300 301 if (phy < 0 || phy >= MTKSWITCH_MAX_PHYS) 302 return (NULL); 303 304 return (sc->ifp[phy]); 305 } 306 307 /* 308 * Convert port status to ifmedia. 309 */ 310 static void 311 mtkswitch_update_ifmedia(uint32_t portstatus, u_int *media_status, 312 u_int *media_active) 313 { 314 *media_active = IFM_ETHER; 315 *media_status = IFM_AVALID; 316 317 if ((portstatus & MTKSWITCH_LINK_UP) != 0) 318 *media_status |= IFM_ACTIVE; 319 else { 320 *media_active |= IFM_NONE; 321 return; 322 } 323 324 switch (portstatus & MTKSWITCH_SPEED_MASK) { 325 case MTKSWITCH_SPEED_10: 326 *media_active |= IFM_10_T; 327 break; 328 case MTKSWITCH_SPEED_100: 329 *media_active |= IFM_100_TX; 330 break; 331 case MTKSWITCH_SPEED_1000: 332 *media_active |= IFM_1000_T; 333 break; 334 } 335 336 if ((portstatus & MTKSWITCH_DUPLEX) != 0) 337 *media_active |= IFM_FDX; 338 else 339 *media_active |= IFM_HDX; 340 341 if ((portstatus & MTKSWITCH_TXFLOW) != 0) 342 *media_active |= IFM_ETH_TXPAUSE; 343 if ((portstatus & MTKSWITCH_RXFLOW) != 0) 344 *media_active |= IFM_ETH_RXPAUSE; 345 } 346 347 static void 348 mtkswitch_miipollstat(struct mtkswitch_softc *sc) 349 { 350 struct mii_data *mii; 351 struct mii_softc *miisc; 352 uint32_t portstatus; 353 int i, port_flap = 0; 354 355 MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED); 356 357 for (i = 0; i < sc->numphys; i++) { 358 if (sc->miibus[i] == NULL) 359 continue; 360 mii = device_get_softc(sc->miibus[i]); 361 portstatus = sc->hal.mtkswitch_get_port_status(sc, 362 mtkswitch_portforphy(i)); 363 364 /* If a port has flapped - mark it so we can flush the ATU */ 365 if (((mii->mii_media_status & IFM_ACTIVE) == 0 && 366 (portstatus & MTKSWITCH_LINK_UP) != 0) || 367 ((mii->mii_media_status & IFM_ACTIVE) != 0 && 368 (portstatus & MTKSWITCH_LINK_UP) == 0)) { 369 port_flap = 1; 370 } 371 372 mtkswitch_update_ifmedia(portstatus, &mii->mii_media_status, 373 &mii->mii_media_active); 374 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 375 if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 376 miisc->mii_inst) 377 continue; 378 mii_phy_update(miisc, MII_POLLSTAT); 379 } 380 } 381 382 if (port_flap) 383 sc->hal.mtkswitch_atu_flush(sc); 384 } 385 386 static void 387 mtkswitch_tick(void *arg) 388 { 389 struct mtkswitch_softc *sc = arg; 390 391 mtkswitch_miipollstat(sc); 392 callout_reset(&sc->callout_tick, hz, mtkswitch_tick, sc); 393 } 394 395 static void 396 mtkswitch_lock(device_t dev) 397 { 398 struct mtkswitch_softc *sc = device_get_softc(dev); 399 400 MTKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 401 MTKSWITCH_LOCK(sc); 402 } 403 404 static void 405 mtkswitch_unlock(device_t dev) 406 { 407 struct mtkswitch_softc *sc = device_get_softc(dev); 408 409 MTKSWITCH_LOCK_ASSERT(sc, MA_OWNED); 410 MTKSWITCH_UNLOCK(sc); 411 } 412 413 static etherswitch_info_t * 414 mtkswitch_getinfo(device_t dev) 415 { 416 struct mtkswitch_softc *sc = device_get_softc(dev); 417 418 return (&sc->info); 419 } 420 421 static inline int 422 mtkswitch_is_cpuport(struct mtkswitch_softc *sc, int port) 423 { 424 425 return (sc->cpuport == port); 426 } 427 428 static int 429 mtkswitch_getport(device_t dev, etherswitch_port_t *p) 430 { 431 struct mtkswitch_softc *sc; 432 struct mii_data *mii; 433 struct ifmediareq *ifmr; 434 int err; 435 436 sc = device_get_softc(dev); 437 if (p->es_port < 0 || p->es_port > sc->info.es_nports) 438 return (ENXIO); 439 440 err = sc->hal.mtkswitch_port_vlan_get(sc, p); 441 if (err != 0) 442 return (err); 443 444 mii = mtkswitch_miiforport(sc, p->es_port); 445 if (mtkswitch_is_cpuport(sc, p->es_port)) { 446 /* fill in fixed values for CPU port */ 447 /* XXX is this valid in all cases? */ 448 p->es_flags |= ETHERSWITCH_PORT_CPU; 449 ifmr = &p->es_ifmr; 450 ifmr->ifm_count = 0; 451 ifmr->ifm_current = ifmr->ifm_active = 452 IFM_ETHER | IFM_1000_T | IFM_FDX; 453 ifmr->ifm_mask = 0; 454 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 455 } else if (mii != NULL) { 456 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 457 &mii->mii_media, SIOCGIFMEDIA); 458 if (err) 459 return (err); 460 } else { 461 ifmr = &p->es_ifmr; 462 ifmr->ifm_count = 0; 463 ifmr->ifm_current = ifmr->ifm_active = IFM_NONE; 464 ifmr->ifm_mask = 0; 465 ifmr->ifm_status = 0; 466 } 467 return (0); 468 } 469 470 static int 471 mtkswitch_setport(device_t dev, etherswitch_port_t *p) 472 { 473 int err; 474 struct mtkswitch_softc *sc; 475 struct ifmedia *ifm; 476 struct mii_data *mii; 477 if_t ifp; 478 479 sc = device_get_softc(dev); 480 if (p->es_port < 0 || p->es_port > sc->info.es_nports) 481 return (ENXIO); 482 483 /* Port flags. */ 484 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 485 err = sc->hal.mtkswitch_port_vlan_setup(sc, p); 486 if (err) 487 return (err); 488 } 489 490 /* Do not allow media changes on CPU port. */ 491 if (mtkswitch_is_cpuport(sc, p->es_port)) 492 return (0); 493 494 mii = mtkswitch_miiforport(sc, p->es_port); 495 if (mii == NULL) 496 return (ENXIO); 497 498 ifp = mtkswitch_ifpforport(sc, p->es_port); 499 500 ifm = &mii->mii_media; 501 return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA)); 502 } 503 504 static void 505 mtkswitch_statchg(device_t dev) 506 { 507 508 DPRINTF(dev, "%s\n", __func__); 509 } 510 511 static int 512 mtkswitch_ifmedia_upd(if_t ifp) 513 { 514 struct mtkswitch_softc *sc = if_getsoftc(ifp); 515 struct mii_data *mii = mtkswitch_miiforport(sc, if_getdunit(ifp)); 516 517 if (mii == NULL) 518 return (ENXIO); 519 mii_mediachg(mii); 520 return (0); 521 } 522 523 static void 524 mtkswitch_ifmedia_sts(if_t ifp, struct ifmediareq *ifmr) 525 { 526 struct mtkswitch_softc *sc = if_getsoftc(ifp); 527 struct mii_data *mii = mtkswitch_miiforport(sc, if_getdunit(ifp)); 528 529 DPRINTF(sc->sc_dev, "%s\n", __func__); 530 531 if (mii == NULL) 532 return; 533 mii_pollstat(mii); 534 ifmr->ifm_active = mii->mii_media_active; 535 ifmr->ifm_status = mii->mii_media_status; 536 } 537 538 static int 539 mtkswitch_getconf(device_t dev, etherswitch_conf_t *conf) 540 { 541 struct mtkswitch_softc *sc; 542 543 sc = device_get_softc(dev); 544 545 /* Return the VLAN mode. */ 546 conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 547 conf->vlan_mode = sc->vlan_mode; 548 549 return (0); 550 } 551 552 static int 553 mtkswitch_setconf(device_t dev, etherswitch_conf_t *conf) 554 { 555 struct mtkswitch_softc *sc; 556 int err; 557 558 sc = device_get_softc(dev); 559 560 /* Set the VLAN mode. */ 561 if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { 562 err = mtkswitch_set_vlan_mode(sc, conf->vlan_mode); 563 if (err != 0) 564 return (err); 565 } 566 567 return (0); 568 } 569 570 static int 571 mtkswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e) 572 { 573 struct mtkswitch_softc *sc = device_get_softc(dev); 574 575 return (sc->hal.mtkswitch_vlan_getvgroup(sc, e)); 576 } 577 578 static int 579 mtkswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e) 580 { 581 struct mtkswitch_softc *sc = device_get_softc(dev); 582 583 return (sc->hal.mtkswitch_vlan_setvgroup(sc, e)); 584 } 585 586 static int 587 mtkswitch_readphy(device_t dev, int phy, int reg) 588 { 589 struct mtkswitch_softc *sc = device_get_softc(dev); 590 591 return (sc->hal.mtkswitch_phy_read(dev, phy, reg)); 592 } 593 594 static int 595 mtkswitch_writephy(device_t dev, int phy, int reg, int val) 596 { 597 struct mtkswitch_softc *sc = device_get_softc(dev); 598 599 return (sc->hal.mtkswitch_phy_write(dev, phy, reg, val)); 600 } 601 602 static int 603 mtkswitch_readreg(device_t dev, int addr) 604 { 605 struct mtkswitch_softc *sc = device_get_softc(dev); 606 607 return (sc->hal.mtkswitch_reg_read(dev, addr)); 608 } 609 610 static int 611 mtkswitch_writereg(device_t dev, int addr, int value) 612 { 613 struct mtkswitch_softc *sc = device_get_softc(dev); 614 615 return (sc->hal.mtkswitch_reg_write(dev, addr, value)); 616 } 617 618 static device_method_t mtkswitch_methods[] = { 619 /* Device interface */ 620 DEVMETHOD(device_probe, mtkswitch_probe), 621 DEVMETHOD(device_attach, mtkswitch_attach), 622 DEVMETHOD(device_detach, mtkswitch_detach), 623 624 /* bus interface */ 625 DEVMETHOD(bus_add_child, device_add_child_ordered), 626 627 /* MII interface */ 628 DEVMETHOD(miibus_readreg, mtkswitch_readphy), 629 DEVMETHOD(miibus_writereg, mtkswitch_writephy), 630 DEVMETHOD(miibus_statchg, mtkswitch_statchg), 631 632 /* MDIO interface */ 633 DEVMETHOD(mdio_readreg, mtkswitch_readphy), 634 DEVMETHOD(mdio_writereg, mtkswitch_writephy), 635 636 /* ehterswitch interface */ 637 DEVMETHOD(etherswitch_lock, mtkswitch_lock), 638 DEVMETHOD(etherswitch_unlock, mtkswitch_unlock), 639 DEVMETHOD(etherswitch_getinfo, mtkswitch_getinfo), 640 DEVMETHOD(etherswitch_readreg, mtkswitch_readreg), 641 DEVMETHOD(etherswitch_writereg, mtkswitch_writereg), 642 DEVMETHOD(etherswitch_readphyreg, mtkswitch_readphy), 643 DEVMETHOD(etherswitch_writephyreg, mtkswitch_writephy), 644 DEVMETHOD(etherswitch_getport, mtkswitch_getport), 645 DEVMETHOD(etherswitch_setport, mtkswitch_setport), 646 DEVMETHOD(etherswitch_getvgroup, mtkswitch_getvgroup), 647 DEVMETHOD(etherswitch_setvgroup, mtkswitch_setvgroup), 648 DEVMETHOD(etherswitch_getconf, mtkswitch_getconf), 649 DEVMETHOD(etherswitch_setconf, mtkswitch_setconf), 650 651 DEVMETHOD_END 652 }; 653 654 DEFINE_CLASS_0(mtkswitch, mtkswitch_driver, mtkswitch_methods, 655 sizeof(struct mtkswitch_softc)); 656 657 DRIVER_MODULE(mtkswitch, simplebus, mtkswitch_driver, 0, 0); 658 DRIVER_MODULE(miibus, mtkswitch, miibus_driver, 0, 0); 659 DRIVER_MODULE(mdio, mtkswitch, mdio_driver, 0, 0); 660 DRIVER_MODULE(etherswitch, mtkswitch, etherswitch_driver, 0, 0); 661 MODULE_VERSION(mtkswitch, 1); 662 MODULE_DEPEND(mtkswitch, miibus, 1, 1, 1); 663 MODULE_DEPEND(mtkswitch, etherswitch, 1, 1, 1); 664