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 static const STRUCT_USB_HOST_ID udav_devs[] = {
169 /* ShanTou DM9601 USB NIC */
170 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)},
171 /* ShanTou ST268 USB NIC */
172 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)},
174 {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)},
175 /* ShanTou AMD8515 USB NIC */
176 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515, 0)},
177 /* Kontron AG USB Ethernet */
178 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_DM9601, 0)},
179 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_JP1082,
183 DRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0);
184 DRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0);
185 MODULE_DEPEND(udav, uether, 1, 1, 1);
186 MODULE_DEPEND(udav, usb, 1, 1, 1);
187 MODULE_DEPEND(udav, ether, 1, 1, 1);
188 MODULE_DEPEND(udav, miibus, 1, 1, 1);
189 MODULE_VERSION(udav, 1);
190 USB_PNP_HOST_INFO(udav_devs);
192 static const struct usb_ether_methods udav_ue_methods = {
193 .ue_attach_post = udav_attach_post,
194 .ue_start = udav_start,
195 .ue_init = udav_init,
196 .ue_stop = udav_stop,
197 .ue_tick = udav_tick,
198 .ue_setmulti = udav_setmulti,
199 .ue_setpromisc = udav_setpromisc,
200 .ue_mii_upd = udav_ifmedia_upd,
201 .ue_mii_sts = udav_ifmedia_status,
204 static const struct usb_ether_methods udav_ue_methods_nophy = {
205 .ue_attach_post = udav_attach_post,
206 .ue_start = udav_start,
207 .ue_init = udav_init,
208 .ue_stop = udav_stop,
209 .ue_setmulti = udav_setmulti,
210 .ue_setpromisc = udav_setpromisc,
214 static int udav_debug = 0;
216 static SYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav");
217 SYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RWTUN, &udav_debug, 0,
221 #define UDAV_SETBIT(sc, reg, x) \
222 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x))
224 #define UDAV_CLRBIT(sc, reg, x) \
225 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x))
228 udav_attach_post(struct usb_ether *ue)
230 struct udav_softc *sc = uether_getsc(ue);
232 /* reset the adapter */
235 /* Get Ethernet Address */
236 udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN);
240 udav_probe(device_t dev)
242 struct usb_attach_arg *uaa = device_get_ivars(dev);
244 if (uaa->usb_mode != USB_MODE_HOST)
246 if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX)
248 if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX)
251 return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa));
255 udav_attach(device_t dev)
257 struct usb_attach_arg *uaa = device_get_ivars(dev);
258 struct udav_softc *sc = device_get_softc(dev);
259 struct usb_ether *ue = &sc->sc_ue;
263 sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
265 device_set_usb_desc(dev);
267 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
269 iface_index = UDAV_IFACE_INDEX;
270 error = usbd_transfer_setup(uaa->device, &iface_index,
271 sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx);
273 device_printf(dev, "allocating USB transfers failed\n");
278 * The JP1082 has an unusable PHY and provides no link information.
280 if (sc->sc_flags & UDAV_FLAG_NO_PHY) {
281 ue->ue_methods = &udav_ue_methods_nophy;
282 sc->sc_flags |= UDAV_FLAG_LINK;
284 ue->ue_methods = &udav_ue_methods;
289 ue->ue_udev = uaa->device;
290 ue->ue_mtx = &sc->sc_mtx;
292 error = uether_ifattach(ue);
294 device_printf(dev, "could not attach interface\n");
298 return (0); /* success */
302 return (ENXIO); /* failure */
306 udav_detach(device_t dev)
308 struct udav_softc *sc = device_get_softc(dev);
309 struct usb_ether *ue = &sc->sc_ue;
311 usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER);
313 mtx_destroy(&sc->sc_mtx);
320 udav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf,
323 struct usb_device_request req;
327 req.bmRequestType = UT_READ_VENDOR_DEVICE;
328 req.bRequest = UDAV_REQ_MEM_READ;
329 USETW(req.wValue, 0x0000);
330 USETW(req.wIndex, offset);
331 USETW(req.wLength, len);
333 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
337 udav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf,
340 struct usb_device_request req;
344 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
345 req.bRequest = UDAV_REQ_MEM_WRITE;
346 USETW(req.wValue, 0x0000);
347 USETW(req.wIndex, offset);
348 USETW(req.wLength, len);
350 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
354 udav_mem_write1(struct udav_softc *sc, uint16_t offset,
357 struct usb_device_request req;
359 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
360 req.bRequest = UDAV_REQ_MEM_WRITE1;
361 USETW(req.wValue, ch);
362 USETW(req.wIndex, offset);
363 USETW(req.wLength, 0x0000);
365 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
370 udav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len)
372 struct usb_device_request req;
376 req.bmRequestType = UT_READ_VENDOR_DEVICE;
377 req.bRequest = UDAV_REQ_REG_READ;
378 USETW(req.wValue, 0x0000);
379 USETW(req.wIndex, offset);
380 USETW(req.wLength, len);
382 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
386 udav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len)
388 struct usb_device_request req;
393 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
394 req.bRequest = UDAV_REQ_REG_WRITE;
395 USETW(req.wValue, 0x0000);
396 USETW(req.wIndex, offset);
397 USETW(req.wLength, len);
399 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
403 udav_csr_read1(struct udav_softc *sc, uint16_t offset)
407 udav_csr_read(sc, offset, &val, 1);
412 udav_csr_write1(struct udav_softc *sc, uint16_t offset,
415 struct usb_device_request req;
419 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
420 req.bRequest = UDAV_REQ_REG_WRITE1;
421 USETW(req.wValue, ch);
422 USETW(req.wIndex, offset);
423 USETW(req.wLength, 0x0000);
425 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
429 udav_init(struct usb_ether *ue)
431 struct udav_softc *sc = ue->ue_sc;
432 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
434 UDAV_LOCK_ASSERT(sc, MA_OWNED);
441 /* set MAC address */
442 udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN);
444 /* initialize network control register */
446 /* disable loopback */
447 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
449 /* Initialize RX control register */
450 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
452 /* load multicast filter and update promiscious mode bit */
456 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
458 /* clear POWER_DOWN state of internal PHY */
459 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
460 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
462 usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]);
464 ifp->if_drv_flags |= IFF_DRV_RUNNING;
469 udav_reset(struct udav_softc *sc)
476 * XXX: force select internal phy.
477 * external phy routines are not tested.
479 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
481 if (sc->sc_flags & UDAV_EXT_PHY)
482 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
484 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
487 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
489 for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
490 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
492 if (uether_pause(&sc->sc_ue, hz / 100))
496 uether_pause(&sc->sc_ue, hz / 100);
501 udav_setmulti(struct usb_ether *ue)
503 struct udav_softc *sc = ue->ue_sc;
504 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
505 struct ifmultiaddr *ifma;
506 uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
509 UDAV_LOCK_ASSERT(sc, MA_OWNED);
511 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
512 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
516 /* first, zot all the existing hash bits */
517 memset(hashtbl, 0x00, sizeof(hashtbl));
518 hashtbl[7] |= 0x80; /* broadcast address */
519 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
521 /* now program new ones */
523 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
525 if (ifma->ifma_addr->sa_family != AF_LINK)
527 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
528 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
529 hashtbl[h / 8] |= 1 << (h % 8);
531 if_maddr_runlock(ifp);
533 /* disable all multicast */
534 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
536 /* write hash value to the register */
537 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
541 udav_setpromisc(struct usb_ether *ue)
543 struct udav_softc *sc = ue->ue_sc;
544 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
547 rxmode = udav_csr_read1(sc, UDAV_RCR);
548 rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC);
550 if (ifp->if_flags & IFF_PROMISC)
551 rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC;
552 else if (ifp->if_flags & IFF_ALLMULTI)
553 rxmode |= UDAV_RCR_ALL;
555 /* write new mode bits */
556 udav_csr_write1(sc, UDAV_RCR, rxmode);
560 udav_start(struct usb_ether *ue)
562 struct udav_softc *sc = ue->ue_sc;
565 * start the USB transfers, if not already started:
567 usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]);
568 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]);
569 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]);
573 udav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
575 struct udav_softc *sc = usbd_xfer_softc(xfer);
576 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
577 struct usb_page_cache *pc;
583 switch (USB_GET_STATE(xfer)) {
584 case USB_ST_TRANSFERRED:
585 DPRINTFN(11, "transfer complete\n");
586 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
591 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) {
593 * don't send anything if there is no link !
597 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
601 if (m->m_pkthdr.len > MCLBYTES)
602 m->m_pkthdr.len = MCLBYTES;
603 if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) {
604 extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len;
609 temp_len = (m->m_pkthdr.len + extra_len);
612 * the frame length is specified in the first 2 bytes of the
615 buf[0] = (uint8_t)(temp_len);
616 buf[1] = (uint8_t)(temp_len >> 8);
620 pc = usbd_xfer_get_frame(xfer, 0);
621 usbd_copy_in(pc, 0, buf, 2);
622 usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len);
625 usbd_frame_zero(pc, temp_len - extra_len, extra_len);
627 * if there's a BPF listener, bounce a copy
628 * of this frame to him:
634 usbd_xfer_set_frame_len(xfer, 0, temp_len);
635 usbd_transfer_submit(xfer);
639 DPRINTFN(11, "transfer error, %s\n",
642 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
644 if (error != USB_ERR_CANCELLED) {
645 /* try to clear stall first */
646 usbd_xfer_set_stall(xfer);
654 udav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
656 struct udav_softc *sc = usbd_xfer_softc(xfer);
657 struct usb_ether *ue = &sc->sc_ue;
658 struct ifnet *ifp = uether_getifp(ue);
659 struct usb_page_cache *pc;
660 struct udav_rxpkt stat;
664 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
666 switch (USB_GET_STATE(xfer)) {
667 case USB_ST_TRANSFERRED:
669 if (actlen < (int)(sizeof(stat) + ETHER_CRC_LEN)) {
670 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
673 pc = usbd_xfer_get_frame(xfer, 0);
674 usbd_copy_out(pc, 0, &stat, sizeof(stat));
675 actlen -= sizeof(stat);
676 len = min(actlen, le16toh(stat.pktlen));
677 len -= ETHER_CRC_LEN;
679 if (stat.rxstat & UDAV_RSR_LCS) {
680 if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1);
683 if (stat.rxstat & UDAV_RSR_ERR) {
684 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
687 uether_rxbuf(ue, pc, sizeof(stat), len);
691 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
692 usbd_transfer_submit(xfer);
697 DPRINTF("bulk read error, %s\n",
700 if (error != USB_ERR_CANCELLED) {
701 /* try to clear stall first */
702 usbd_xfer_set_stall(xfer);
710 udav_intr_callback(struct usb_xfer *xfer, usb_error_t error)
712 switch (USB_GET_STATE(xfer)) {
713 case USB_ST_TRANSFERRED:
716 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
717 usbd_transfer_submit(xfer);
721 if (error != USB_ERR_CANCELLED) {
722 /* try to clear stall first */
723 usbd_xfer_set_stall(xfer);
731 udav_stop(struct usb_ether *ue)
733 struct udav_softc *sc = ue->ue_sc;
734 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
736 UDAV_LOCK_ASSERT(sc, MA_OWNED);
738 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
739 if (!(sc->sc_flags & UDAV_FLAG_NO_PHY))
740 sc->sc_flags &= ~UDAV_FLAG_LINK;
743 * stop all the transfers, if not already stopped:
745 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]);
746 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]);
747 usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]);
753 udav_ifmedia_upd(struct ifnet *ifp)
755 struct udav_softc *sc = ifp->if_softc;
756 struct mii_data *mii = GET_MII(sc);
757 struct mii_softc *miisc;
760 UDAV_LOCK_ASSERT(sc, MA_OWNED);
762 sc->sc_flags &= ~UDAV_FLAG_LINK;
763 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
765 error = mii_mediachg(mii);
770 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
772 struct udav_softc *sc = ifp->if_softc;
773 struct mii_data *mii = GET_MII(sc);
777 ifmr->ifm_active = mii->mii_media_active;
778 ifmr->ifm_status = mii->mii_media_status;
783 udav_tick(struct usb_ether *ue)
785 struct udav_softc *sc = ue->ue_sc;
786 struct mii_data *mii = GET_MII(sc);
788 UDAV_LOCK_ASSERT(sc, MA_OWNED);
791 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0
792 && mii->mii_media_status & IFM_ACTIVE &&
793 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
794 sc->sc_flags |= UDAV_FLAG_LINK;
800 udav_miibus_readreg(device_t dev, int phy, int reg)
802 struct udav_softc *sc = device_get_softc(dev);
807 /* XXX: one PHY only for the internal PHY */
811 locked = mtx_owned(&sc->sc_mtx);
815 /* select internal PHY and set PHY register address */
816 udav_csr_write1(sc, UDAV_EPAR,
817 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
819 /* select PHY operation and start read command */
820 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
822 /* XXX: should we wait? */
824 /* end read command */
825 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
827 /* retrieve the result from data registers */
828 udav_csr_read(sc, UDAV_EPDRL, val, 2);
830 data16 = (val[0] | (val[1] << 8));
832 DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n",
841 udav_miibus_writereg(device_t dev, int phy, int reg, int data)
843 struct udav_softc *sc = device_get_softc(dev);
847 /* XXX: one PHY only for the internal PHY */
851 locked = mtx_owned(&sc->sc_mtx);
855 /* select internal PHY and set PHY register address */
856 udav_csr_write1(sc, UDAV_EPAR,
857 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
859 /* put the value to the data registers */
860 val[0] = (data & 0xff);
861 val[1] = (data >> 8) & 0xff;
862 udav_csr_write(sc, UDAV_EPDRL, val, 2);
864 /* select PHY operation and start write command */
865 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
867 /* XXX: should we wait? */
869 /* end write command */
870 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
878 udav_miibus_statchg(device_t dev)