1 /* $NetBSD: if_udav.c,v 1.2 2003/09/04 15:17:38 tsutsui Exp $ */
2 /* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */
6 * Shingo WATANABE <nabe@nabechan.org>. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY)
36 * The spec can be found at the following url.
37 * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-P01-930914.pdf
42 * Interrupt Endpoint support
46 #include <sys/cdefs.h>
47 __FBSDID("$FreeBSD$");
49 #include <sys/stdint.h>
50 #include <sys/stddef.h>
51 #include <sys/param.h>
52 #include <sys/queue.h>
53 #include <sys/types.h>
54 #include <sys/systm.h>
55 #include <sys/kernel.h>
57 #include <sys/module.h>
59 #include <sys/mutex.h>
60 #include <sys/condvar.h>
61 #include <sys/sysctl.h>
63 #include <sys/unistd.h>
64 #include <sys/callout.h>
65 #include <sys/malloc.h>
68 #include <dev/usb/usb.h>
69 #include <dev/usb/usbdi.h>
70 #include <dev/usb/usbdi_util.h>
73 #define USB_DEBUG_VAR udav_debug
74 #include <dev/usb/usb_debug.h>
75 #include <dev/usb/usb_process.h>
77 #include <dev/usb/net/usb_ethernet.h>
78 #include <dev/usb/net/if_udavreg.h>
82 static device_probe_t udav_probe;
83 static device_attach_t udav_attach;
84 static device_detach_t udav_detach;
86 static usb_callback_t udav_bulk_write_callback;
87 static usb_callback_t udav_bulk_read_callback;
88 static usb_callback_t udav_intr_callback;
90 static uether_fn_t udav_attach_post;
91 static uether_fn_t udav_init;
92 static uether_fn_t udav_stop;
93 static uether_fn_t udav_start;
94 static uether_fn_t udav_tick;
95 static uether_fn_t udav_setmulti;
96 static uether_fn_t udav_setpromisc;
98 static int udav_csr_read(struct udav_softc *, uint16_t, void *, int);
99 static int udav_csr_write(struct udav_softc *, uint16_t, void *, int);
100 static uint8_t udav_csr_read1(struct udav_softc *, uint16_t);
101 static int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t);
102 static void udav_reset(struct udav_softc *);
103 static int udav_ifmedia_upd(struct ifnet *);
104 static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *);
106 static miibus_readreg_t udav_miibus_readreg;
107 static miibus_writereg_t udav_miibus_writereg;
108 static miibus_statchg_t udav_miibus_statchg;
110 static const struct usb_config udav_config[UDAV_N_TRANSFER] = {
112 [UDAV_BULK_DT_WR] = {
114 .endpoint = UE_ADDR_ANY,
115 .direction = UE_DIR_OUT,
116 .bufsize = (MCLBYTES + 2),
117 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
118 .callback = udav_bulk_write_callback,
119 .timeout = 10000, /* 10 seconds */
122 [UDAV_BULK_DT_RD] = {
124 .endpoint = UE_ADDR_ANY,
125 .direction = UE_DIR_IN,
126 .bufsize = (MCLBYTES + 3),
127 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
128 .callback = udav_bulk_read_callback,
129 .timeout = 0, /* no timeout */
132 [UDAV_INTR_DT_RD] = {
133 .type = UE_INTERRUPT,
134 .endpoint = UE_ADDR_ANY,
135 .direction = UE_DIR_IN,
136 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
137 .bufsize = 0, /* use wMaxPacketSize */
138 .callback = udav_intr_callback,
142 static device_method_t udav_methods[] = {
143 /* Device interface */
144 DEVMETHOD(device_probe, udav_probe),
145 DEVMETHOD(device_attach, udav_attach),
146 DEVMETHOD(device_detach, udav_detach),
149 DEVMETHOD(miibus_readreg, udav_miibus_readreg),
150 DEVMETHOD(miibus_writereg, udav_miibus_writereg),
151 DEVMETHOD(miibus_statchg, udav_miibus_statchg),
156 static driver_t udav_driver = {
158 .methods = udav_methods,
159 .size = sizeof(struct udav_softc),
162 static devclass_t udav_devclass;
164 DRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0);
165 DRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0);
166 MODULE_DEPEND(udav, uether, 1, 1, 1);
167 MODULE_DEPEND(udav, usb, 1, 1, 1);
168 MODULE_DEPEND(udav, ether, 1, 1, 1);
169 MODULE_DEPEND(udav, miibus, 1, 1, 1);
170 MODULE_VERSION(udav, 1);
172 static const struct usb_ether_methods udav_ue_methods = {
173 .ue_attach_post = udav_attach_post,
174 .ue_start = udav_start,
175 .ue_init = udav_init,
176 .ue_stop = udav_stop,
177 .ue_tick = udav_tick,
178 .ue_setmulti = udav_setmulti,
179 .ue_setpromisc = udav_setpromisc,
180 .ue_mii_upd = udav_ifmedia_upd,
181 .ue_mii_sts = udav_ifmedia_status,
184 static const struct usb_ether_methods udav_ue_methods_nophy = {
185 .ue_attach_post = udav_attach_post,
186 .ue_start = udav_start,
187 .ue_init = udav_init,
188 .ue_stop = udav_stop,
189 .ue_setmulti = udav_setmulti,
190 .ue_setpromisc = udav_setpromisc,
194 static int udav_debug = 0;
196 static SYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav");
197 SYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RW, &udav_debug, 0,
201 #define UDAV_SETBIT(sc, reg, x) \
202 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x))
204 #define UDAV_CLRBIT(sc, reg, x) \
205 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x))
207 static const STRUCT_USB_HOST_ID udav_devs[] = {
208 /* ShanTou DM9601 USB NIC */
209 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)},
210 /* ShanTou ST268 USB NIC */
211 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)},
213 {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)},
214 /* ShanTou AMD8515 USB NIC */
215 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515, 0)},
216 /* Kontron AG USB Ethernet */
217 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_DM9601, 0)},
218 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_JP1082,
223 udav_attach_post(struct usb_ether *ue)
225 struct udav_softc *sc = uether_getsc(ue);
227 /* reset the adapter */
230 /* Get Ethernet Address */
231 udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN);
235 udav_probe(device_t dev)
237 struct usb_attach_arg *uaa = device_get_ivars(dev);
239 if (uaa->usb_mode != USB_MODE_HOST)
241 if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX)
243 if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX)
246 return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa));
250 udav_attach(device_t dev)
252 struct usb_attach_arg *uaa = device_get_ivars(dev);
253 struct udav_softc *sc = device_get_softc(dev);
254 struct usb_ether *ue = &sc->sc_ue;
258 sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
260 device_set_usb_desc(dev);
262 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
264 iface_index = UDAV_IFACE_INDEX;
265 error = usbd_transfer_setup(uaa->device, &iface_index,
266 sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx);
268 device_printf(dev, "allocating USB transfers failed\n");
273 * The JP1082 has an unusable PHY and provides no link information.
275 if (sc->sc_flags & UDAV_FLAG_NO_PHY) {
276 ue->ue_methods = &udav_ue_methods_nophy;
277 sc->sc_flags |= UDAV_FLAG_LINK;
279 ue->ue_methods = &udav_ue_methods;
284 ue->ue_udev = uaa->device;
285 ue->ue_mtx = &sc->sc_mtx;
287 error = uether_ifattach(ue);
289 device_printf(dev, "could not attach interface\n");
293 return (0); /* success */
297 return (ENXIO); /* failure */
301 udav_detach(device_t dev)
303 struct udav_softc *sc = device_get_softc(dev);
304 struct usb_ether *ue = &sc->sc_ue;
306 usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER);
308 mtx_destroy(&sc->sc_mtx);
315 udav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf,
318 struct usb_device_request req;
322 req.bmRequestType = UT_READ_VENDOR_DEVICE;
323 req.bRequest = UDAV_REQ_MEM_READ;
324 USETW(req.wValue, 0x0000);
325 USETW(req.wIndex, offset);
326 USETW(req.wLength, len);
328 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
332 udav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf,
335 struct usb_device_request req;
339 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
340 req.bRequest = UDAV_REQ_MEM_WRITE;
341 USETW(req.wValue, 0x0000);
342 USETW(req.wIndex, offset);
343 USETW(req.wLength, len);
345 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
349 udav_mem_write1(struct udav_softc *sc, uint16_t offset,
352 struct usb_device_request req;
354 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
355 req.bRequest = UDAV_REQ_MEM_WRITE1;
356 USETW(req.wValue, ch);
357 USETW(req.wIndex, offset);
358 USETW(req.wLength, 0x0000);
360 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
365 udav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len)
367 struct usb_device_request req;
371 req.bmRequestType = UT_READ_VENDOR_DEVICE;
372 req.bRequest = UDAV_REQ_REG_READ;
373 USETW(req.wValue, 0x0000);
374 USETW(req.wIndex, offset);
375 USETW(req.wLength, len);
377 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
381 udav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len)
383 struct usb_device_request req;
388 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
389 req.bRequest = UDAV_REQ_REG_WRITE;
390 USETW(req.wValue, 0x0000);
391 USETW(req.wIndex, offset);
392 USETW(req.wLength, len);
394 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
398 udav_csr_read1(struct udav_softc *sc, uint16_t offset)
402 udav_csr_read(sc, offset, &val, 1);
407 udav_csr_write1(struct udav_softc *sc, uint16_t offset,
410 struct usb_device_request req;
414 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
415 req.bRequest = UDAV_REQ_REG_WRITE1;
416 USETW(req.wValue, ch);
417 USETW(req.wIndex, offset);
418 USETW(req.wLength, 0x0000);
420 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
424 udav_init(struct usb_ether *ue)
426 struct udav_softc *sc = ue->ue_sc;
427 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
429 UDAV_LOCK_ASSERT(sc, MA_OWNED);
436 /* set MAC address */
437 udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN);
439 /* initialize network control register */
441 /* disable loopback */
442 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
444 /* Initialize RX control register */
445 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
447 /* load multicast filter and update promiscious mode bit */
451 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
453 /* clear POWER_DOWN state of internal PHY */
454 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
455 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
457 usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]);
459 ifp->if_drv_flags |= IFF_DRV_RUNNING;
464 udav_reset(struct udav_softc *sc)
471 * XXX: force select internal phy.
472 * external phy routines are not tested.
474 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
476 if (sc->sc_flags & UDAV_EXT_PHY)
477 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
479 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
482 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
484 for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
485 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
487 if (uether_pause(&sc->sc_ue, hz / 100))
491 uether_pause(&sc->sc_ue, hz / 100);
496 udav_setmulti(struct usb_ether *ue)
498 struct udav_softc *sc = ue->ue_sc;
499 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
500 struct ifmultiaddr *ifma;
501 uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
504 UDAV_LOCK_ASSERT(sc, MA_OWNED);
506 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
507 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
511 /* first, zot all the existing hash bits */
512 memset(hashtbl, 0x00, sizeof(hashtbl));
513 hashtbl[7] |= 0x80; /* broadcast address */
514 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
516 /* now program new ones */
518 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
520 if (ifma->ifma_addr->sa_family != AF_LINK)
522 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
523 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
524 hashtbl[h / 8] |= 1 << (h % 8);
526 if_maddr_runlock(ifp);
528 /* disable all multicast */
529 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
531 /* write hash value to the register */
532 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
536 udav_setpromisc(struct usb_ether *ue)
538 struct udav_softc *sc = ue->ue_sc;
539 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
542 rxmode = udav_csr_read1(sc, UDAV_RCR);
543 rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC);
545 if (ifp->if_flags & IFF_PROMISC)
546 rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC;
547 else if (ifp->if_flags & IFF_ALLMULTI)
548 rxmode |= UDAV_RCR_ALL;
550 /* write new mode bits */
551 udav_csr_write1(sc, UDAV_RCR, rxmode);
555 udav_start(struct usb_ether *ue)
557 struct udav_softc *sc = ue->ue_sc;
560 * start the USB transfers, if not already started:
562 usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]);
563 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]);
564 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]);
568 udav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
570 struct udav_softc *sc = usbd_xfer_softc(xfer);
571 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
572 struct usb_page_cache *pc;
578 switch (USB_GET_STATE(xfer)) {
579 case USB_ST_TRANSFERRED:
580 DPRINTFN(11, "transfer complete\n");
586 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) {
588 * don't send anything if there is no link !
592 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
596 if (m->m_pkthdr.len > MCLBYTES)
597 m->m_pkthdr.len = MCLBYTES;
598 if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) {
599 extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len;
604 temp_len = (m->m_pkthdr.len + extra_len);
607 * the frame length is specified in the first 2 bytes of the
610 buf[0] = (uint8_t)(temp_len);
611 buf[1] = (uint8_t)(temp_len >> 8);
615 pc = usbd_xfer_get_frame(xfer, 0);
616 usbd_copy_in(pc, 0, buf, 2);
617 usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len);
620 usbd_frame_zero(pc, temp_len - extra_len, extra_len);
622 * if there's a BPF listener, bounce a copy
623 * of this frame to him:
629 usbd_xfer_set_frame_len(xfer, 0, temp_len);
630 usbd_transfer_submit(xfer);
634 DPRINTFN(11, "transfer error, %s\n",
639 if (error != USB_ERR_CANCELLED) {
640 /* try to clear stall first */
641 usbd_xfer_set_stall(xfer);
649 udav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
651 struct udav_softc *sc = usbd_xfer_softc(xfer);
652 struct usb_ether *ue = &sc->sc_ue;
653 struct ifnet *ifp = uether_getifp(ue);
654 struct usb_page_cache *pc;
655 struct udav_rxpkt stat;
659 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
661 switch (USB_GET_STATE(xfer)) {
662 case USB_ST_TRANSFERRED:
664 if (actlen < (int)(sizeof(stat) + ETHER_CRC_LEN)) {
668 pc = usbd_xfer_get_frame(xfer, 0);
669 usbd_copy_out(pc, 0, &stat, sizeof(stat));
670 actlen -= sizeof(stat);
671 len = min(actlen, le16toh(stat.pktlen));
672 len -= ETHER_CRC_LEN;
674 if (stat.rxstat & UDAV_RSR_LCS) {
675 ifp->if_collisions++;
678 if (stat.rxstat & UDAV_RSR_ERR) {
682 uether_rxbuf(ue, pc, sizeof(stat), len);
686 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
687 usbd_transfer_submit(xfer);
692 DPRINTF("bulk read error, %s\n",
695 if (error != USB_ERR_CANCELLED) {
696 /* try to clear stall first */
697 usbd_xfer_set_stall(xfer);
705 udav_intr_callback(struct usb_xfer *xfer, usb_error_t error)
707 switch (USB_GET_STATE(xfer)) {
708 case USB_ST_TRANSFERRED:
711 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
712 usbd_transfer_submit(xfer);
716 if (error != USB_ERR_CANCELLED) {
717 /* try to clear stall first */
718 usbd_xfer_set_stall(xfer);
726 udav_stop(struct usb_ether *ue)
728 struct udav_softc *sc = ue->ue_sc;
729 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
731 UDAV_LOCK_ASSERT(sc, MA_OWNED);
733 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
734 if (!(sc->sc_flags & UDAV_FLAG_NO_PHY))
735 sc->sc_flags &= ~UDAV_FLAG_LINK;
738 * stop all the transfers, if not already stopped:
740 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]);
741 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]);
742 usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]);
748 udav_ifmedia_upd(struct ifnet *ifp)
750 struct udav_softc *sc = ifp->if_softc;
751 struct mii_data *mii = GET_MII(sc);
752 struct mii_softc *miisc;
754 UDAV_LOCK_ASSERT(sc, MA_OWNED);
756 sc->sc_flags &= ~UDAV_FLAG_LINK;
757 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
764 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
766 struct udav_softc *sc = ifp->if_softc;
767 struct mii_data *mii = GET_MII(sc);
771 ifmr->ifm_active = mii->mii_media_active;
772 ifmr->ifm_status = mii->mii_media_status;
777 udav_tick(struct usb_ether *ue)
779 struct udav_softc *sc = ue->ue_sc;
780 struct mii_data *mii = GET_MII(sc);
782 UDAV_LOCK_ASSERT(sc, MA_OWNED);
785 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0
786 && mii->mii_media_status & IFM_ACTIVE &&
787 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
788 sc->sc_flags |= UDAV_FLAG_LINK;
794 udav_miibus_readreg(device_t dev, int phy, int reg)
796 struct udav_softc *sc = device_get_softc(dev);
801 /* XXX: one PHY only for the internal PHY */
805 locked = mtx_owned(&sc->sc_mtx);
809 /* select internal PHY and set PHY register address */
810 udav_csr_write1(sc, UDAV_EPAR,
811 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
813 /* select PHY operation and start read command */
814 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
816 /* XXX: should we wait? */
818 /* end read command */
819 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
821 /* retrieve the result from data registers */
822 udav_csr_read(sc, UDAV_EPDRL, val, 2);
824 data16 = (val[0] | (val[1] << 8));
826 DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n",
835 udav_miibus_writereg(device_t dev, int phy, int reg, int data)
837 struct udav_softc *sc = device_get_softc(dev);
841 /* XXX: one PHY only for the internal PHY */
845 locked = mtx_owned(&sc->sc_mtx);
849 /* select internal PHY and set PHY register address */
850 udav_csr_write1(sc, UDAV_EPAR,
851 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
853 /* put the value to the data registers */
854 val[0] = (data & 0xff);
855 val[1] = (data >> 8) & 0xff;
856 udav_csr_write(sc, UDAV_EPDRL, val, 2);
858 /* select PHY operation and start write command */
859 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
861 /* XXX: should we wait? */
863 /* end write command */
864 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
872 udav_miibus_statchg(device_t dev)