xref: /freebsd/sys/dev/etherswitch/mtkswitch/mtkswitch.c (revision 405c3050f102b8c74782f0366c8ead927bd07b68)
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);
675