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://ptm2.cc.utu.fi/ftp/network/cards/DM9601/From_NET/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/socket.h>
56 #include <sys/kernel.h>
58 #include <sys/module.h>
60 #include <sys/mutex.h>
61 #include <sys/condvar.h>
62 #include <sys/sysctl.h>
64 #include <sys/unistd.h>
65 #include <sys/callout.h>
66 #include <sys/malloc.h>
70 #include <net/if_var.h>
72 #include <dev/usb/usb.h>
73 #include <dev/usb/usbdi.h>
74 #include <dev/usb/usbdi_util.h>
77 #define USB_DEBUG_VAR udav_debug
78 #include <dev/usb/usb_debug.h>
79 #include <dev/usb/usb_process.h>
81 #include <dev/usb/net/usb_ethernet.h>
82 #include <dev/usb/net/if_udavreg.h>
86 static device_probe_t udav_probe;
87 static device_attach_t udav_attach;
88 static device_detach_t udav_detach;
90 static usb_callback_t udav_bulk_write_callback;
91 static usb_callback_t udav_bulk_read_callback;
92 static usb_callback_t udav_intr_callback;
94 static uether_fn_t udav_attach_post;
95 static uether_fn_t udav_init;
96 static uether_fn_t udav_stop;
97 static uether_fn_t udav_start;
98 static uether_fn_t udav_tick;
99 static uether_fn_t udav_setmulti;
100 static uether_fn_t udav_setpromisc;
102 static int udav_csr_read(struct udav_softc *, uint16_t, void *, int);
103 static int udav_csr_write(struct udav_softc *, uint16_t, void *, int);
104 static uint8_t udav_csr_read1(struct udav_softc *, uint16_t);
105 static int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t);
106 static void udav_reset(struct udav_softc *);
107 static int udav_ifmedia_upd(struct ifnet *);
108 static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *);
110 static miibus_readreg_t udav_miibus_readreg;
111 static miibus_writereg_t udav_miibus_writereg;
112 static miibus_statchg_t udav_miibus_statchg;
114 static const struct usb_config udav_config[UDAV_N_TRANSFER] = {
116 [UDAV_BULK_DT_WR] = {
118 .endpoint = UE_ADDR_ANY,
119 .direction = UE_DIR_OUT,
120 .bufsize = (MCLBYTES + 2),
121 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
122 .callback = udav_bulk_write_callback,
123 .timeout = 10000, /* 10 seconds */
126 [UDAV_BULK_DT_RD] = {
128 .endpoint = UE_ADDR_ANY,
129 .direction = UE_DIR_IN,
130 .bufsize = (MCLBYTES + 3),
131 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
132 .callback = udav_bulk_read_callback,
133 .timeout = 0, /* no timeout */
136 [UDAV_INTR_DT_RD] = {
137 .type = UE_INTERRUPT,
138 .endpoint = UE_ADDR_ANY,
139 .direction = UE_DIR_IN,
140 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
141 .bufsize = 0, /* use wMaxPacketSize */
142 .callback = udav_intr_callback,
146 static device_method_t udav_methods[] = {
147 /* Device interface */
148 DEVMETHOD(device_probe, udav_probe),
149 DEVMETHOD(device_attach, udav_attach),
150 DEVMETHOD(device_detach, udav_detach),
153 DEVMETHOD(miibus_readreg, udav_miibus_readreg),
154 DEVMETHOD(miibus_writereg, udav_miibus_writereg),
155 DEVMETHOD(miibus_statchg, udav_miibus_statchg),
160 static driver_t udav_driver = {
162 .methods = udav_methods,
163 .size = sizeof(struct udav_softc),
166 static devclass_t udav_devclass;
168 DRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0);
169 DRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0);
170 MODULE_DEPEND(udav, uether, 1, 1, 1);
171 MODULE_DEPEND(udav, usb, 1, 1, 1);
172 MODULE_DEPEND(udav, ether, 1, 1, 1);
173 MODULE_DEPEND(udav, miibus, 1, 1, 1);
174 MODULE_VERSION(udav, 1);
176 static const struct usb_ether_methods udav_ue_methods = {
177 .ue_attach_post = udav_attach_post,
178 .ue_start = udav_start,
179 .ue_init = udav_init,
180 .ue_stop = udav_stop,
181 .ue_tick = udav_tick,
182 .ue_setmulti = udav_setmulti,
183 .ue_setpromisc = udav_setpromisc,
184 .ue_mii_upd = udav_ifmedia_upd,
185 .ue_mii_sts = udav_ifmedia_status,
188 static const struct usb_ether_methods udav_ue_methods_nophy = {
189 .ue_attach_post = udav_attach_post,
190 .ue_start = udav_start,
191 .ue_init = udav_init,
192 .ue_stop = udav_stop,
193 .ue_setmulti = udav_setmulti,
194 .ue_setpromisc = udav_setpromisc,
198 static int udav_debug = 0;
200 static SYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav");
201 SYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RWTUN, &udav_debug, 0,
205 #define UDAV_SETBIT(sc, reg, x) \
206 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x))
208 #define UDAV_CLRBIT(sc, reg, x) \
209 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x))
211 static const STRUCT_USB_HOST_ID udav_devs[] = {
212 /* ShanTou DM9601 USB NIC */
213 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)},
214 /* ShanTou ST268 USB NIC */
215 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)},
217 {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)},
218 /* ShanTou AMD8515 USB NIC */
219 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515, 0)},
220 /* Kontron AG USB Ethernet */
221 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_DM9601, 0)},
222 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_JP1082,
227 udav_attach_post(struct usb_ether *ue)
229 struct udav_softc *sc = uether_getsc(ue);
231 /* reset the adapter */
234 /* Get Ethernet Address */
235 udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN);
239 udav_probe(device_t dev)
241 struct usb_attach_arg *uaa = device_get_ivars(dev);
243 if (uaa->usb_mode != USB_MODE_HOST)
245 if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX)
247 if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX)
250 return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa));
254 udav_attach(device_t dev)
256 struct usb_attach_arg *uaa = device_get_ivars(dev);
257 struct udav_softc *sc = device_get_softc(dev);
258 struct usb_ether *ue = &sc->sc_ue;
262 sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
264 device_set_usb_desc(dev);
266 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
268 iface_index = UDAV_IFACE_INDEX;
269 error = usbd_transfer_setup(uaa->device, &iface_index,
270 sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx);
272 device_printf(dev, "allocating USB transfers failed\n");
277 * The JP1082 has an unusable PHY and provides no link information.
279 if (sc->sc_flags & UDAV_FLAG_NO_PHY) {
280 ue->ue_methods = &udav_ue_methods_nophy;
281 sc->sc_flags |= UDAV_FLAG_LINK;
283 ue->ue_methods = &udav_ue_methods;
288 ue->ue_udev = uaa->device;
289 ue->ue_mtx = &sc->sc_mtx;
291 error = uether_ifattach(ue);
293 device_printf(dev, "could not attach interface\n");
297 return (0); /* success */
301 return (ENXIO); /* failure */
305 udav_detach(device_t dev)
307 struct udav_softc *sc = device_get_softc(dev);
308 struct usb_ether *ue = &sc->sc_ue;
310 usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER);
312 mtx_destroy(&sc->sc_mtx);
319 udav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf,
322 struct usb_device_request req;
326 req.bmRequestType = UT_READ_VENDOR_DEVICE;
327 req.bRequest = UDAV_REQ_MEM_READ;
328 USETW(req.wValue, 0x0000);
329 USETW(req.wIndex, offset);
330 USETW(req.wLength, len);
332 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
336 udav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf,
339 struct usb_device_request req;
343 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
344 req.bRequest = UDAV_REQ_MEM_WRITE;
345 USETW(req.wValue, 0x0000);
346 USETW(req.wIndex, offset);
347 USETW(req.wLength, len);
349 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
353 udav_mem_write1(struct udav_softc *sc, uint16_t offset,
356 struct usb_device_request req;
358 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
359 req.bRequest = UDAV_REQ_MEM_WRITE1;
360 USETW(req.wValue, ch);
361 USETW(req.wIndex, offset);
362 USETW(req.wLength, 0x0000);
364 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
369 udav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len)
371 struct usb_device_request req;
375 req.bmRequestType = UT_READ_VENDOR_DEVICE;
376 req.bRequest = UDAV_REQ_REG_READ;
377 USETW(req.wValue, 0x0000);
378 USETW(req.wIndex, offset);
379 USETW(req.wLength, len);
381 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
385 udav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len)
387 struct usb_device_request req;
392 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
393 req.bRequest = UDAV_REQ_REG_WRITE;
394 USETW(req.wValue, 0x0000);
395 USETW(req.wIndex, offset);
396 USETW(req.wLength, len);
398 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
402 udav_csr_read1(struct udav_softc *sc, uint16_t offset)
406 udav_csr_read(sc, offset, &val, 1);
411 udav_csr_write1(struct udav_softc *sc, uint16_t offset,
414 struct usb_device_request req;
418 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
419 req.bRequest = UDAV_REQ_REG_WRITE1;
420 USETW(req.wValue, ch);
421 USETW(req.wIndex, offset);
422 USETW(req.wLength, 0x0000);
424 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
428 udav_init(struct usb_ether *ue)
430 struct udav_softc *sc = ue->ue_sc;
431 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
433 UDAV_LOCK_ASSERT(sc, MA_OWNED);
440 /* set MAC address */
441 udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN);
443 /* initialize network control register */
445 /* disable loopback */
446 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
448 /* Initialize RX control register */
449 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
451 /* load multicast filter and update promiscious mode bit */
455 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
457 /* clear POWER_DOWN state of internal PHY */
458 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
459 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
461 usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]);
463 ifp->if_drv_flags |= IFF_DRV_RUNNING;
468 udav_reset(struct udav_softc *sc)
475 * XXX: force select internal phy.
476 * external phy routines are not tested.
478 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
480 if (sc->sc_flags & UDAV_EXT_PHY)
481 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
483 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
486 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
488 for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
489 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
491 if (uether_pause(&sc->sc_ue, hz / 100))
495 uether_pause(&sc->sc_ue, hz / 100);
500 udav_setmulti(struct usb_ether *ue)
502 struct udav_softc *sc = ue->ue_sc;
503 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
504 struct ifmultiaddr *ifma;
505 uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
508 UDAV_LOCK_ASSERT(sc, MA_OWNED);
510 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
511 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
515 /* first, zot all the existing hash bits */
516 memset(hashtbl, 0x00, sizeof(hashtbl));
517 hashtbl[7] |= 0x80; /* broadcast address */
518 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
520 /* now program new ones */
522 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
524 if (ifma->ifma_addr->sa_family != AF_LINK)
526 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
527 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
528 hashtbl[h / 8] |= 1 << (h % 8);
530 if_maddr_runlock(ifp);
532 /* disable all multicast */
533 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
535 /* write hash value to the register */
536 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
540 udav_setpromisc(struct usb_ether *ue)
542 struct udav_softc *sc = ue->ue_sc;
543 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
546 rxmode = udav_csr_read1(sc, UDAV_RCR);
547 rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC);
549 if (ifp->if_flags & IFF_PROMISC)
550 rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC;
551 else if (ifp->if_flags & IFF_ALLMULTI)
552 rxmode |= UDAV_RCR_ALL;
554 /* write new mode bits */
555 udav_csr_write1(sc, UDAV_RCR, rxmode);
559 udav_start(struct usb_ether *ue)
561 struct udav_softc *sc = ue->ue_sc;
564 * start the USB transfers, if not already started:
566 usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]);
567 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]);
568 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]);
572 udav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
574 struct udav_softc *sc = usbd_xfer_softc(xfer);
575 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
576 struct usb_page_cache *pc;
582 switch (USB_GET_STATE(xfer)) {
583 case USB_ST_TRANSFERRED:
584 DPRINTFN(11, "transfer complete\n");
585 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
590 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) {
592 * don't send anything if there is no link !
596 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
600 if (m->m_pkthdr.len > MCLBYTES)
601 m->m_pkthdr.len = MCLBYTES;
602 if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) {
603 extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len;
608 temp_len = (m->m_pkthdr.len + extra_len);
611 * the frame length is specified in the first 2 bytes of the
614 buf[0] = (uint8_t)(temp_len);
615 buf[1] = (uint8_t)(temp_len >> 8);
619 pc = usbd_xfer_get_frame(xfer, 0);
620 usbd_copy_in(pc, 0, buf, 2);
621 usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len);
624 usbd_frame_zero(pc, temp_len - extra_len, extra_len);
626 * if there's a BPF listener, bounce a copy
627 * of this frame to him:
633 usbd_xfer_set_frame_len(xfer, 0, temp_len);
634 usbd_transfer_submit(xfer);
638 DPRINTFN(11, "transfer error, %s\n",
641 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
643 if (error != USB_ERR_CANCELLED) {
644 /* try to clear stall first */
645 usbd_xfer_set_stall(xfer);
653 udav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
655 struct udav_softc *sc = usbd_xfer_softc(xfer);
656 struct usb_ether *ue = &sc->sc_ue;
657 struct ifnet *ifp = uether_getifp(ue);
658 struct usb_page_cache *pc;
659 struct udav_rxpkt stat;
663 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
665 switch (USB_GET_STATE(xfer)) {
666 case USB_ST_TRANSFERRED:
668 if (actlen < (int)(sizeof(stat) + ETHER_CRC_LEN)) {
669 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
672 pc = usbd_xfer_get_frame(xfer, 0);
673 usbd_copy_out(pc, 0, &stat, sizeof(stat));
674 actlen -= sizeof(stat);
675 len = min(actlen, le16toh(stat.pktlen));
676 len -= ETHER_CRC_LEN;
678 if (stat.rxstat & UDAV_RSR_LCS) {
679 if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1);
682 if (stat.rxstat & UDAV_RSR_ERR) {
683 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
686 uether_rxbuf(ue, pc, sizeof(stat), len);
690 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
691 usbd_transfer_submit(xfer);
696 DPRINTF("bulk read error, %s\n",
699 if (error != USB_ERR_CANCELLED) {
700 /* try to clear stall first */
701 usbd_xfer_set_stall(xfer);
709 udav_intr_callback(struct usb_xfer *xfer, usb_error_t error)
711 switch (USB_GET_STATE(xfer)) {
712 case USB_ST_TRANSFERRED:
715 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
716 usbd_transfer_submit(xfer);
720 if (error != USB_ERR_CANCELLED) {
721 /* try to clear stall first */
722 usbd_xfer_set_stall(xfer);
730 udav_stop(struct usb_ether *ue)
732 struct udav_softc *sc = ue->ue_sc;
733 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
735 UDAV_LOCK_ASSERT(sc, MA_OWNED);
737 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
738 if (!(sc->sc_flags & UDAV_FLAG_NO_PHY))
739 sc->sc_flags &= ~UDAV_FLAG_LINK;
742 * stop all the transfers, if not already stopped:
744 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]);
745 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]);
746 usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]);
752 udav_ifmedia_upd(struct ifnet *ifp)
754 struct udav_softc *sc = ifp->if_softc;
755 struct mii_data *mii = GET_MII(sc);
756 struct mii_softc *miisc;
759 UDAV_LOCK_ASSERT(sc, MA_OWNED);
761 sc->sc_flags &= ~UDAV_FLAG_LINK;
762 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
764 error = mii_mediachg(mii);
769 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
771 struct udav_softc *sc = ifp->if_softc;
772 struct mii_data *mii = GET_MII(sc);
776 ifmr->ifm_active = mii->mii_media_active;
777 ifmr->ifm_status = mii->mii_media_status;
782 udav_tick(struct usb_ether *ue)
784 struct udav_softc *sc = ue->ue_sc;
785 struct mii_data *mii = GET_MII(sc);
787 UDAV_LOCK_ASSERT(sc, MA_OWNED);
790 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0
791 && mii->mii_media_status & IFM_ACTIVE &&
792 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
793 sc->sc_flags |= UDAV_FLAG_LINK;
799 udav_miibus_readreg(device_t dev, int phy, int reg)
801 struct udav_softc *sc = device_get_softc(dev);
806 /* XXX: one PHY only for the internal PHY */
810 locked = mtx_owned(&sc->sc_mtx);
814 /* select internal PHY and set PHY register address */
815 udav_csr_write1(sc, UDAV_EPAR,
816 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
818 /* select PHY operation and start read command */
819 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
821 /* XXX: should we wait? */
823 /* end read command */
824 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
826 /* retrieve the result from data registers */
827 udav_csr_read(sc, UDAV_EPDRL, val, 2);
829 data16 = (val[0] | (val[1] << 8));
831 DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n",
840 udav_miibus_writereg(device_t dev, int phy, int reg, int data)
842 struct udav_softc *sc = device_get_softc(dev);
846 /* XXX: one PHY only for the internal PHY */
850 locked = mtx_owned(&sc->sc_mtx);
854 /* select internal PHY and set PHY register address */
855 udav_csr_write1(sc, UDAV_EPAR,
856 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
858 /* put the value to the data registers */
859 val[0] = (data & 0xff);
860 val[1] = (data >> 8) & 0xff;
861 udav_csr_write(sc, UDAV_EPDRL, val, 2);
863 /* select PHY operation and start write command */
864 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
866 /* XXX: should we wait? */
868 /* end write command */
869 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
877 udav_miibus_statchg(device_t dev)