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 $ */
5 * SPDX-License-Identifier: BSD-3-Clause
8 * Shingo WATANABE <nabe@nabechan.org>. All rights reserved.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the author nor the names of any co-contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY)
38 * The spec can be found at the following url.
39 * http://ptm2.cc.utu.fi/ftp/network/cards/DM9601/From_NET/DM9601-DS-P01-930914.pdf
44 * Interrupt Endpoint support
48 #include <sys/cdefs.h>
49 __FBSDID("$FreeBSD$");
51 #include <sys/stdint.h>
52 #include <sys/stddef.h>
53 #include <sys/param.h>
54 #include <sys/queue.h>
55 #include <sys/types.h>
56 #include <sys/systm.h>
57 #include <sys/socket.h>
58 #include <sys/kernel.h>
60 #include <sys/module.h>
62 #include <sys/mutex.h>
63 #include <sys/condvar.h>
64 #include <sys/sysctl.h>
66 #include <sys/unistd.h>
67 #include <sys/callout.h>
68 #include <sys/malloc.h>
72 #include <net/if_var.h>
74 #include <dev/usb/usb.h>
75 #include <dev/usb/usbdi.h>
76 #include <dev/usb/usbdi_util.h>
79 #define USB_DEBUG_VAR udav_debug
80 #include <dev/usb/usb_debug.h>
81 #include <dev/usb/usb_process.h>
83 #include <dev/usb/net/usb_ethernet.h>
84 #include <dev/usb/net/if_udavreg.h>
88 static device_probe_t udav_probe;
89 static device_attach_t udav_attach;
90 static device_detach_t udav_detach;
92 static usb_callback_t udav_bulk_write_callback;
93 static usb_callback_t udav_bulk_read_callback;
94 static usb_callback_t udav_intr_callback;
96 static uether_fn_t udav_attach_post;
97 static uether_fn_t udav_init;
98 static uether_fn_t udav_stop;
99 static uether_fn_t udav_start;
100 static uether_fn_t udav_tick;
101 static uether_fn_t udav_setmulti;
102 static uether_fn_t udav_setpromisc;
104 static int udav_csr_read(struct udav_softc *, uint16_t, void *, int);
105 static int udav_csr_write(struct udav_softc *, uint16_t, void *, int);
106 static uint8_t udav_csr_read1(struct udav_softc *, uint16_t);
107 static int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t);
108 static void udav_reset(struct udav_softc *);
109 static int udav_ifmedia_upd(struct ifnet *);
110 static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *);
112 static miibus_readreg_t udav_miibus_readreg;
113 static miibus_writereg_t udav_miibus_writereg;
114 static miibus_statchg_t udav_miibus_statchg;
116 static const struct usb_config udav_config[UDAV_N_TRANSFER] = {
118 [UDAV_BULK_DT_WR] = {
120 .endpoint = UE_ADDR_ANY,
121 .direction = UE_DIR_OUT,
122 .bufsize = (MCLBYTES + 2),
123 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
124 .callback = udav_bulk_write_callback,
125 .timeout = 10000, /* 10 seconds */
128 [UDAV_BULK_DT_RD] = {
130 .endpoint = UE_ADDR_ANY,
131 .direction = UE_DIR_IN,
132 .bufsize = (MCLBYTES + 3),
133 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
134 .callback = udav_bulk_read_callback,
135 .timeout = 0, /* no timeout */
138 [UDAV_INTR_DT_RD] = {
139 .type = UE_INTERRUPT,
140 .endpoint = UE_ADDR_ANY,
141 .direction = UE_DIR_IN,
142 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
143 .bufsize = 0, /* use wMaxPacketSize */
144 .callback = udav_intr_callback,
148 static device_method_t udav_methods[] = {
149 /* Device interface */
150 DEVMETHOD(device_probe, udav_probe),
151 DEVMETHOD(device_attach, udav_attach),
152 DEVMETHOD(device_detach, udav_detach),
155 DEVMETHOD(miibus_readreg, udav_miibus_readreg),
156 DEVMETHOD(miibus_writereg, udav_miibus_writereg),
157 DEVMETHOD(miibus_statchg, udav_miibus_statchg),
162 static driver_t udav_driver = {
164 .methods = udav_methods,
165 .size = sizeof(struct udav_softc),
168 static devclass_t udav_devclass;
170 static const STRUCT_USB_HOST_ID udav_devs[] = {
171 /* ShanTou DM9601 USB NIC */
172 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)},
173 /* ShanTou ST268 USB NIC */
174 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)},
176 {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)},
177 /* ShanTou AMD8515 USB NIC */
178 {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515, 0)},
179 /* Kontron AG USB Ethernet */
180 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_DM9601, 0)},
181 {USB_VPI(USB_VENDOR_KONTRON, USB_PRODUCT_KONTRON_JP1082,
185 DRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0);
186 DRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0);
187 MODULE_DEPEND(udav, uether, 1, 1, 1);
188 MODULE_DEPEND(udav, usb, 1, 1, 1);
189 MODULE_DEPEND(udav, ether, 1, 1, 1);
190 MODULE_DEPEND(udav, miibus, 1, 1, 1);
191 MODULE_VERSION(udav, 1);
192 USB_PNP_HOST_INFO(udav_devs);
194 static const struct usb_ether_methods udav_ue_methods = {
195 .ue_attach_post = udav_attach_post,
196 .ue_start = udav_start,
197 .ue_init = udav_init,
198 .ue_stop = udav_stop,
199 .ue_tick = udav_tick,
200 .ue_setmulti = udav_setmulti,
201 .ue_setpromisc = udav_setpromisc,
202 .ue_mii_upd = udav_ifmedia_upd,
203 .ue_mii_sts = udav_ifmedia_status,
206 static const struct usb_ether_methods udav_ue_methods_nophy = {
207 .ue_attach_post = udav_attach_post,
208 .ue_start = udav_start,
209 .ue_init = udav_init,
210 .ue_stop = udav_stop,
211 .ue_setmulti = udav_setmulti,
212 .ue_setpromisc = udav_setpromisc,
216 static int udav_debug = 0;
218 static SYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav");
219 SYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RWTUN, &udav_debug, 0,
223 #define UDAV_SETBIT(sc, reg, x) \
224 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x))
226 #define UDAV_CLRBIT(sc, reg, x) \
227 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x))
230 udav_attach_post(struct usb_ether *ue)
232 struct udav_softc *sc = uether_getsc(ue);
234 /* reset the adapter */
237 /* Get Ethernet Address */
238 udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN);
242 udav_probe(device_t dev)
244 struct usb_attach_arg *uaa = device_get_ivars(dev);
246 if (uaa->usb_mode != USB_MODE_HOST)
248 if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX)
250 if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX)
253 return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa));
257 udav_attach(device_t dev)
259 struct usb_attach_arg *uaa = device_get_ivars(dev);
260 struct udav_softc *sc = device_get_softc(dev);
261 struct usb_ether *ue = &sc->sc_ue;
265 sc->sc_flags = USB_GET_DRIVER_INFO(uaa);
267 device_set_usb_desc(dev);
269 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF);
271 iface_index = UDAV_IFACE_INDEX;
272 error = usbd_transfer_setup(uaa->device, &iface_index,
273 sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx);
275 device_printf(dev, "allocating USB transfers failed\n");
280 * The JP1082 has an unusable PHY and provides no link information.
282 if (sc->sc_flags & UDAV_FLAG_NO_PHY) {
283 ue->ue_methods = &udav_ue_methods_nophy;
284 sc->sc_flags |= UDAV_FLAG_LINK;
286 ue->ue_methods = &udav_ue_methods;
291 ue->ue_udev = uaa->device;
292 ue->ue_mtx = &sc->sc_mtx;
294 error = uether_ifattach(ue);
296 device_printf(dev, "could not attach interface\n");
300 return (0); /* success */
304 return (ENXIO); /* failure */
308 udav_detach(device_t dev)
310 struct udav_softc *sc = device_get_softc(dev);
311 struct usb_ether *ue = &sc->sc_ue;
313 usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER);
315 mtx_destroy(&sc->sc_mtx);
322 udav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf,
325 struct usb_device_request req;
329 req.bmRequestType = UT_READ_VENDOR_DEVICE;
330 req.bRequest = UDAV_REQ_MEM_READ;
331 USETW(req.wValue, 0x0000);
332 USETW(req.wIndex, offset);
333 USETW(req.wLength, len);
335 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
339 udav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf,
342 struct usb_device_request req;
346 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
347 req.bRequest = UDAV_REQ_MEM_WRITE;
348 USETW(req.wValue, 0x0000);
349 USETW(req.wIndex, offset);
350 USETW(req.wLength, len);
352 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
356 udav_mem_write1(struct udav_softc *sc, uint16_t offset,
359 struct usb_device_request req;
361 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
362 req.bRequest = UDAV_REQ_MEM_WRITE1;
363 USETW(req.wValue, ch);
364 USETW(req.wIndex, offset);
365 USETW(req.wLength, 0x0000);
367 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
372 udav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len)
374 struct usb_device_request req;
378 req.bmRequestType = UT_READ_VENDOR_DEVICE;
379 req.bRequest = UDAV_REQ_REG_READ;
380 USETW(req.wValue, 0x0000);
381 USETW(req.wIndex, offset);
382 USETW(req.wLength, len);
384 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
388 udav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len)
390 struct usb_device_request req;
395 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
396 req.bRequest = UDAV_REQ_REG_WRITE;
397 USETW(req.wValue, 0x0000);
398 USETW(req.wIndex, offset);
399 USETW(req.wLength, len);
401 return (uether_do_request(&sc->sc_ue, &req, buf, 1000));
405 udav_csr_read1(struct udav_softc *sc, uint16_t offset)
409 udav_csr_read(sc, offset, &val, 1);
414 udav_csr_write1(struct udav_softc *sc, uint16_t offset,
417 struct usb_device_request req;
421 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
422 req.bRequest = UDAV_REQ_REG_WRITE1;
423 USETW(req.wValue, ch);
424 USETW(req.wIndex, offset);
425 USETW(req.wLength, 0x0000);
427 return (uether_do_request(&sc->sc_ue, &req, NULL, 1000));
431 udav_init(struct usb_ether *ue)
433 struct udav_softc *sc = ue->ue_sc;
434 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
436 UDAV_LOCK_ASSERT(sc, MA_OWNED);
443 /* set MAC address */
444 udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN);
446 /* initialize network control register */
448 /* disable loopback */
449 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1);
451 /* Initialize RX control register */
452 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC);
454 /* load multicast filter and update promiscious mode bit */
458 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN);
460 /* clear POWER_DOWN state of internal PHY */
461 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0);
462 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0);
464 usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]);
466 ifp->if_drv_flags |= IFF_DRV_RUNNING;
471 udav_reset(struct udav_softc *sc)
478 * XXX: force select internal phy.
479 * external phy routines are not tested.
481 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
483 if (sc->sc_flags & UDAV_EXT_PHY)
484 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
486 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY);
489 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST);
491 for (i = 0; i < UDAV_TX_TIMEOUT; i++) {
492 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST))
494 if (uether_pause(&sc->sc_ue, hz / 100))
498 uether_pause(&sc->sc_ue, hz / 100);
503 udav_setmulti(struct usb_ether *ue)
505 struct udav_softc *sc = ue->ue_sc;
506 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
507 struct ifmultiaddr *ifma;
508 uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
511 UDAV_LOCK_ASSERT(sc, MA_OWNED);
513 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) {
514 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC);
518 /* first, zot all the existing hash bits */
519 memset(hashtbl, 0x00, sizeof(hashtbl));
520 hashtbl[7] |= 0x80; /* broadcast address */
521 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
523 /* now program new ones */
525 CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
527 if (ifma->ifma_addr->sa_family != AF_LINK)
529 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
530 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
531 hashtbl[h / 8] |= 1 << (h % 8);
533 if_maddr_runlock(ifp);
535 /* disable all multicast */
536 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL);
538 /* write hash value to the register */
539 udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl));
543 udav_setpromisc(struct usb_ether *ue)
545 struct udav_softc *sc = ue->ue_sc;
546 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
549 rxmode = udav_csr_read1(sc, UDAV_RCR);
550 rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC);
552 if (ifp->if_flags & IFF_PROMISC)
553 rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC;
554 else if (ifp->if_flags & IFF_ALLMULTI)
555 rxmode |= UDAV_RCR_ALL;
557 /* write new mode bits */
558 udav_csr_write1(sc, UDAV_RCR, rxmode);
562 udav_start(struct usb_ether *ue)
564 struct udav_softc *sc = ue->ue_sc;
567 * start the USB transfers, if not already started:
569 usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]);
570 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]);
571 usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]);
575 udav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
577 struct udav_softc *sc = usbd_xfer_softc(xfer);
578 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
579 struct usb_page_cache *pc;
585 switch (USB_GET_STATE(xfer)) {
586 case USB_ST_TRANSFERRED:
587 DPRINTFN(11, "transfer complete\n");
588 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
593 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) {
595 * don't send anything if there is no link !
599 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
603 if (m->m_pkthdr.len > MCLBYTES)
604 m->m_pkthdr.len = MCLBYTES;
605 if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) {
606 extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len;
611 temp_len = (m->m_pkthdr.len + extra_len);
614 * the frame length is specified in the first 2 bytes of the
617 buf[0] = (uint8_t)(temp_len);
618 buf[1] = (uint8_t)(temp_len >> 8);
622 pc = usbd_xfer_get_frame(xfer, 0);
623 usbd_copy_in(pc, 0, buf, 2);
624 usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len);
627 usbd_frame_zero(pc, temp_len - extra_len, extra_len);
629 * if there's a BPF listener, bounce a copy
630 * of this frame to him:
636 usbd_xfer_set_frame_len(xfer, 0, temp_len);
637 usbd_transfer_submit(xfer);
641 DPRINTFN(11, "transfer error, %s\n",
644 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
646 if (error != USB_ERR_CANCELLED) {
647 /* try to clear stall first */
648 usbd_xfer_set_stall(xfer);
656 udav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
658 struct udav_softc *sc = usbd_xfer_softc(xfer);
659 struct usb_ether *ue = &sc->sc_ue;
660 struct ifnet *ifp = uether_getifp(ue);
661 struct usb_page_cache *pc;
662 struct udav_rxpkt stat;
666 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
668 switch (USB_GET_STATE(xfer)) {
669 case USB_ST_TRANSFERRED:
671 if (actlen < (int)(sizeof(stat) + ETHER_CRC_LEN)) {
672 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
675 pc = usbd_xfer_get_frame(xfer, 0);
676 usbd_copy_out(pc, 0, &stat, sizeof(stat));
677 actlen -= sizeof(stat);
678 len = min(actlen, le16toh(stat.pktlen));
679 len -= ETHER_CRC_LEN;
681 if (stat.rxstat & UDAV_RSR_LCS) {
682 if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 1);
685 if (stat.rxstat & UDAV_RSR_ERR) {
686 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
689 uether_rxbuf(ue, pc, sizeof(stat), len);
693 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
694 usbd_transfer_submit(xfer);
699 DPRINTF("bulk read error, %s\n",
702 if (error != USB_ERR_CANCELLED) {
703 /* try to clear stall first */
704 usbd_xfer_set_stall(xfer);
712 udav_intr_callback(struct usb_xfer *xfer, usb_error_t error)
714 switch (USB_GET_STATE(xfer)) {
715 case USB_ST_TRANSFERRED:
718 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
719 usbd_transfer_submit(xfer);
723 if (error != USB_ERR_CANCELLED) {
724 /* try to clear stall first */
725 usbd_xfer_set_stall(xfer);
733 udav_stop(struct usb_ether *ue)
735 struct udav_softc *sc = ue->ue_sc;
736 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
738 UDAV_LOCK_ASSERT(sc, MA_OWNED);
740 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
741 if (!(sc->sc_flags & UDAV_FLAG_NO_PHY))
742 sc->sc_flags &= ~UDAV_FLAG_LINK;
745 * stop all the transfers, if not already stopped:
747 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]);
748 usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]);
749 usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]);
755 udav_ifmedia_upd(struct ifnet *ifp)
757 struct udav_softc *sc = ifp->if_softc;
758 struct mii_data *mii = GET_MII(sc);
759 struct mii_softc *miisc;
762 UDAV_LOCK_ASSERT(sc, MA_OWNED);
764 sc->sc_flags &= ~UDAV_FLAG_LINK;
765 LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
767 error = mii_mediachg(mii);
772 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr)
774 struct udav_softc *sc = ifp->if_softc;
775 struct mii_data *mii = GET_MII(sc);
779 ifmr->ifm_active = mii->mii_media_active;
780 ifmr->ifm_status = mii->mii_media_status;
785 udav_tick(struct usb_ether *ue)
787 struct udav_softc *sc = ue->ue_sc;
788 struct mii_data *mii = GET_MII(sc);
790 UDAV_LOCK_ASSERT(sc, MA_OWNED);
793 if ((sc->sc_flags & UDAV_FLAG_LINK) == 0
794 && mii->mii_media_status & IFM_ACTIVE &&
795 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
796 sc->sc_flags |= UDAV_FLAG_LINK;
802 udav_miibus_readreg(device_t dev, int phy, int reg)
804 struct udav_softc *sc = device_get_softc(dev);
809 /* XXX: one PHY only for the internal PHY */
813 locked = mtx_owned(&sc->sc_mtx);
817 /* select internal PHY and set PHY register address */
818 udav_csr_write1(sc, UDAV_EPAR,
819 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
821 /* select PHY operation and start read command */
822 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR);
824 /* XXX: should we wait? */
826 /* end read command */
827 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR);
829 /* retrieve the result from data registers */
830 udav_csr_read(sc, UDAV_EPDRL, val, 2);
832 data16 = (val[0] | (val[1] << 8));
834 DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n",
843 udav_miibus_writereg(device_t dev, int phy, int reg, int data)
845 struct udav_softc *sc = device_get_softc(dev);
849 /* XXX: one PHY only for the internal PHY */
853 locked = mtx_owned(&sc->sc_mtx);
857 /* select internal PHY and set PHY register address */
858 udav_csr_write1(sc, UDAV_EPAR,
859 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK));
861 /* put the value to the data registers */
862 val[0] = (data & 0xff);
863 val[1] = (data >> 8) & 0xff;
864 udav_csr_write(sc, UDAV_EPDRL, val, 2);
866 /* select PHY operation and start write command */
867 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW);
869 /* XXX: should we wait? */
871 /* end write command */
872 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW);
880 udav_miibus_statchg(device_t dev)