| 1 | /* $NetBSD: if_udav.c,v 1.48 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | /* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 2003 |
| 6 | * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 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. |
| 19 | * |
| 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 |
| 30 | * SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | /* |
| 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-F01-062202s.pdf |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | * TODO: |
| 42 | * Interrupt Endpoint support |
| 43 | * External PHYs |
| 44 | * powerhook() support? |
| 45 | */ |
| 46 | |
| 47 | #include <sys/cdefs.h> |
| 48 | __KERNEL_RCSID(0, "$NetBSD: if_udav.c,v 1.48 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 49 | |
| 50 | #ifdef _KERNEL_OPT |
| 51 | #include "opt_inet.h" |
| 52 | #endif |
| 53 | |
| 54 | #include <sys/param.h> |
| 55 | #include <sys/systm.h> |
| 56 | #include <sys/mutex.h> |
| 57 | #include <sys/mbuf.h> |
| 58 | #include <sys/kernel.h> |
| 59 | #include <sys/socket.h> |
| 60 | #include <sys/device.h> |
| 61 | #include <sys/rndsource.h> |
| 62 | |
| 63 | #include <net/if.h> |
| 64 | #include <net/if_arp.h> |
| 65 | #include <net/if_dl.h> |
| 66 | #include <net/if_media.h> |
| 67 | |
| 68 | #include <net/bpf.h> |
| 69 | |
| 70 | #include <net/if_ether.h> |
| 71 | #ifdef INET |
| 72 | #include <netinet/in.h> |
| 73 | #include <netinet/if_inarp.h> |
| 74 | #endif |
| 75 | |
| 76 | #include <dev/mii/mii.h> |
| 77 | #include <dev/mii/miivar.h> |
| 78 | |
| 79 | #include <dev/usb/usb.h> |
| 80 | #include <dev/usb/usbdi.h> |
| 81 | #include <dev/usb/usbdi_util.h> |
| 82 | #include <dev/usb/usbdevs.h> |
| 83 | |
| 84 | #include <dev/usb/if_udavreg.h> |
| 85 | |
| 86 | |
| 87 | /* Function declarations */ |
| 88 | int udav_match(device_t, cfdata_t, void *); |
| 89 | void udav_attach(device_t, device_t, void *); |
| 90 | int udav_detach(device_t, int); |
| 91 | int udav_activate(device_t, enum devact); |
| 92 | extern struct cfdriver udav_cd; |
| 93 | CFATTACH_DECL_NEW(udav, sizeof(struct udav_softc), udav_match, udav_attach, |
| 94 | udav_detach, udav_activate); |
| 95 | |
| 96 | Static int udav_openpipes(struct udav_softc *); |
| 97 | Static int udav_rx_list_init(struct udav_softc *); |
| 98 | Static int udav_tx_list_init(struct udav_softc *); |
| 99 | Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); |
| 100 | Static void udav_start(struct ifnet *); |
| 101 | Static int udav_send(struct udav_softc *, struct mbuf *, int); |
| 102 | Static void udav_txeof(struct usbd_xfer *, void *, usbd_status); |
| 103 | Static void udav_rxeof(struct usbd_xfer *, void *, usbd_status); |
| 104 | Static void udav_tick(void *); |
| 105 | Static void udav_tick_task(void *); |
| 106 | Static int udav_ioctl(struct ifnet *, u_long, void *); |
| 107 | Static void udav_stop_task(struct udav_softc *); |
| 108 | Static void udav_stop(struct ifnet *, int); |
| 109 | Static void udav_watchdog(struct ifnet *); |
| 110 | Static int udav_ifmedia_change(struct ifnet *); |
| 111 | Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); |
| 112 | Static void udav_lock_mii(struct udav_softc *); |
| 113 | Static void udav_unlock_mii(struct udav_softc *); |
| 114 | Static int udav_miibus_readreg(device_t, int, int); |
| 115 | Static void udav_miibus_writereg(device_t, int, int, int); |
| 116 | Static void udav_miibus_statchg(struct ifnet *); |
| 117 | Static int udav_init(struct ifnet *); |
| 118 | Static void udav_setmulti(struct udav_softc *); |
| 119 | Static void udav_reset(struct udav_softc *); |
| 120 | |
| 121 | Static int udav_csr_read(struct udav_softc *, int, void *, int); |
| 122 | Static int udav_csr_write(struct udav_softc *, int, void *, int); |
| 123 | Static int udav_csr_read1(struct udav_softc *, int); |
| 124 | Static int udav_csr_write1(struct udav_softc *, int, unsigned char); |
| 125 | |
| 126 | #if 0 |
| 127 | Static int udav_mem_read(struct udav_softc *, int, void *, int); |
| 128 | Static int udav_mem_write(struct udav_softc *, int, void *, int); |
| 129 | Static int udav_mem_write1(struct udav_softc *, int, unsigned char); |
| 130 | #endif |
| 131 | |
| 132 | /* Macros */ |
| 133 | #ifdef UDAV_DEBUG |
| 134 | #define DPRINTF(x) if (udavdebug) printf x |
| 135 | #define DPRINTFN(n,x) if (udavdebug >= (n)) printf x |
| 136 | int udavdebug = 0; |
| 137 | #else |
| 138 | #define DPRINTF(x) |
| 139 | #define DPRINTFN(n,x) |
| 140 | #endif |
| 141 | |
| 142 | #define UDAV_SETBIT(sc, reg, x) \ |
| 143 | udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) |
| 144 | |
| 145 | #define UDAV_CLRBIT(sc, reg, x) \ |
| 146 | udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) |
| 147 | |
| 148 | static const struct udav_type { |
| 149 | struct usb_devno udav_dev; |
| 150 | uint16_t udav_flags; |
| 151 | #define UDAV_EXT_PHY 0x0001 |
| 152 | #define UDAV_NO_PHY 0x0002 |
| 153 | } udav_devs [] = { |
| 154 | /* Corega USB-TXC */ |
| 155 | {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, |
| 156 | /* ShanTou ST268 USB NIC */ |
| 157 | {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, |
| 158 | /* ShanTou ADM8515 */ |
| 159 | {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 0}, |
| 160 | /* SUNRISING SR9600 */ |
| 161 | {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_SR9600 }, 0 }, |
| 162 | /* SUNRISING QF9700 */ |
| 163 | {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_QF9700 }, UDAV_NO_PHY }, |
| 164 | /* QUAN DM9601 */ |
| 165 | {{USB_VENDOR_QUAN, USB_PRODUCT_QUAN_DM9601 }, 0}, |
| 166 | #if 0 |
| 167 | /* DAVICOM DM9601 Generic? */ |
| 168 | /* XXX: The following ids was obtained from the data sheet. */ |
| 169 | {{ 0x0a46, 0x9601 }, 0}, |
| 170 | #endif |
| 171 | }; |
| 172 | #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p)) |
| 173 | |
| 174 | |
| 175 | /* Probe */ |
| 176 | int |
| 177 | udav_match(device_t parent, cfdata_t match, void *aux) |
| 178 | { |
| 179 | struct usb_attach_arg *uaa = aux; |
| 180 | |
| 181 | return udav_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
| 182 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 183 | } |
| 184 | |
| 185 | /* Attach */ |
| 186 | void |
| 187 | udav_attach(device_t parent, device_t self, void *aux) |
| 188 | { |
| 189 | struct udav_softc *sc = device_private(self); |
| 190 | struct usb_attach_arg *uaa = aux; |
| 191 | struct usbd_device *dev = uaa->uaa_device; |
| 192 | struct usbd_interface *iface; |
| 193 | usbd_status err; |
| 194 | usb_interface_descriptor_t *id; |
| 195 | usb_endpoint_descriptor_t *ed; |
| 196 | char *devinfop; |
| 197 | struct ifnet *ifp; |
| 198 | struct mii_data *mii; |
| 199 | u_char eaddr[ETHER_ADDR_LEN]; |
| 200 | int i, s; |
| 201 | |
| 202 | sc->sc_dev = self; |
| 203 | |
| 204 | aprint_naive("\n" ); |
| 205 | aprint_normal("\n" ); |
| 206 | |
| 207 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 208 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 209 | usbd_devinfo_free(devinfop); |
| 210 | |
| 211 | /* Move the device into the configured state. */ |
| 212 | err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ |
| 213 | if (err) { |
| 214 | aprint_error_dev(self, "failed to set configuration" |
| 215 | ", err=%s\n" , usbd_errstr(err)); |
| 216 | goto bad; |
| 217 | } |
| 218 | |
| 219 | usb_init_task(&sc->sc_tick_task, udav_tick_task, sc, 0); |
| 220 | mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); |
| 221 | usb_init_task(&sc->sc_stop_task, (void (*)(void *))udav_stop_task, sc, |
| 222 | 0); |
| 223 | |
| 224 | /* get control interface */ |
| 225 | err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); |
| 226 | if (err) { |
| 227 | aprint_error_dev(self, "failed to get interface, err=%s\n" , |
| 228 | usbd_errstr(err)); |
| 229 | goto bad; |
| 230 | } |
| 231 | |
| 232 | sc->sc_udev = dev; |
| 233 | sc->sc_ctl_iface = iface; |
| 234 | sc->sc_flags = udav_lookup(uaa->uaa_vendor, |
| 235 | uaa->uaa_product)->udav_flags; |
| 236 | |
| 237 | /* get interface descriptor */ |
| 238 | id = usbd_get_interface_descriptor(sc->sc_ctl_iface); |
| 239 | |
| 240 | /* find endpoints */ |
| 241 | sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; |
| 242 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 243 | ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); |
| 244 | if (ed == NULL) { |
| 245 | aprint_error_dev(self, "couldn't get endpoint %d\n" , i); |
| 246 | goto bad; |
| 247 | } |
| 248 | if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && |
| 249 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) |
| 250 | sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ |
| 251 | else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && |
| 252 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) |
| 253 | sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ |
| 254 | else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && |
| 255 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) |
| 256 | sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ |
| 257 | } |
| 258 | |
| 259 | if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || |
| 260 | sc->sc_intrin_no == -1) { |
| 261 | aprint_error_dev(self, "missing endpoint\n" ); |
| 262 | goto bad; |
| 263 | } |
| 264 | |
| 265 | s = splnet(); |
| 266 | |
| 267 | /* reset the adapter */ |
| 268 | udav_reset(sc); |
| 269 | |
| 270 | /* Get Ethernet Address */ |
| 271 | err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); |
| 272 | if (err) { |
| 273 | aprint_error_dev(self, "read MAC address failed\n" ); |
| 274 | splx(s); |
| 275 | goto bad; |
| 276 | } |
| 277 | |
| 278 | /* Print Ethernet Address */ |
| 279 | aprint_normal_dev(self, "Ethernet address %s\n" , ether_sprintf(eaddr)); |
| 280 | |
| 281 | /* initialize interface information */ |
| 282 | ifp = GET_IFP(sc); |
| 283 | ifp->if_softc = sc; |
| 284 | ifp->if_mtu = ETHERMTU; |
| 285 | strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); |
| 286 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
| 287 | ifp->if_start = udav_start; |
| 288 | ifp->if_ioctl = udav_ioctl; |
| 289 | ifp->if_watchdog = udav_watchdog; |
| 290 | ifp->if_init = udav_init; |
| 291 | ifp->if_stop = udav_stop; |
| 292 | |
| 293 | IFQ_SET_READY(&ifp->if_snd); |
| 294 | |
| 295 | if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { |
| 296 | sc->sc_link = 1; |
| 297 | goto skipmii; |
| 298 | } |
| 299 | |
| 300 | /* |
| 301 | * Do ifmedia setup. |
| 302 | */ |
| 303 | mii = &sc->sc_mii; |
| 304 | mii->mii_ifp = ifp; |
| 305 | mii->mii_readreg = udav_miibus_readreg; |
| 306 | mii->mii_writereg = udav_miibus_writereg; |
| 307 | mii->mii_statchg = udav_miibus_statchg; |
| 308 | mii->mii_flags = MIIF_AUTOTSLEEP; |
| 309 | sc->sc_ec.ec_mii = mii; |
| 310 | ifmedia_init(&mii->mii_media, 0, |
| 311 | udav_ifmedia_change, udav_ifmedia_status); |
| 312 | mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); |
| 313 | if (LIST_FIRST(&mii->mii_phys) == NULL) { |
| 314 | ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); |
| 315 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); |
| 316 | } else |
| 317 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); |
| 318 | |
| 319 | skipmii: |
| 320 | /* attach the interface */ |
| 321 | if_attach(ifp); |
| 322 | ether_ifattach(ifp, eaddr); |
| 323 | |
| 324 | rnd_attach_source(&sc->rnd_source, device_xname(self), |
| 325 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
| 326 | |
| 327 | callout_init(&sc->sc_stat_ch, 0); |
| 328 | sc->sc_attached = 1; |
| 329 | splx(s); |
| 330 | |
| 331 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); |
| 332 | |
| 333 | return; |
| 334 | |
| 335 | bad: |
| 336 | sc->sc_dying = 1; |
| 337 | return; |
| 338 | } |
| 339 | |
| 340 | /* detach */ |
| 341 | int |
| 342 | udav_detach(device_t self, int flags) |
| 343 | { |
| 344 | struct udav_softc *sc = device_private(self); |
| 345 | struct ifnet *ifp = GET_IFP(sc); |
| 346 | int s; |
| 347 | |
| 348 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 349 | |
| 350 | /* Detached before attached finished */ |
| 351 | if (!sc->sc_attached) |
| 352 | return 0; |
| 353 | |
| 354 | callout_stop(&sc->sc_stat_ch); |
| 355 | |
| 356 | /* Remove any pending tasks */ |
| 357 | usb_rem_task(sc->sc_udev, &sc->sc_tick_task); |
| 358 | usb_rem_task(sc->sc_udev, &sc->sc_stop_task); |
| 359 | |
| 360 | s = splusb(); |
| 361 | |
| 362 | if (--sc->sc_refcnt >= 0) { |
| 363 | /* Wait for processes to go away */ |
| 364 | usb_detach_waitold(sc->sc_dev); |
| 365 | } |
| 366 | if (ifp->if_flags & IFF_RUNNING) |
| 367 | udav_stop(GET_IFP(sc), 1); |
| 368 | |
| 369 | rnd_detach_source(&sc->rnd_source); |
| 370 | mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
| 371 | ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); |
| 372 | ether_ifdetach(ifp); |
| 373 | if_detach(ifp); |
| 374 | |
| 375 | #ifdef DIAGNOSTIC |
| 376 | if (sc->sc_pipe_tx != NULL) |
| 377 | aprint_debug_dev(self, "detach has active tx endpoint.\n" ); |
| 378 | if (sc->sc_pipe_rx != NULL) |
| 379 | aprint_debug_dev(self, "detach has active rx endpoint.\n" ); |
| 380 | if (sc->sc_pipe_intr != NULL) |
| 381 | aprint_debug_dev(self, "detach has active intr endpoint.\n" ); |
| 382 | #endif |
| 383 | sc->sc_attached = 0; |
| 384 | |
| 385 | splx(s); |
| 386 | |
| 387 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 388 | |
| 389 | mutex_destroy(&sc->sc_mii_lock); |
| 390 | |
| 391 | return 0; |
| 392 | } |
| 393 | |
| 394 | #if 0 |
| 395 | /* read memory */ |
| 396 | Static int |
| 397 | udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) |
| 398 | { |
| 399 | usb_device_request_t req; |
| 400 | usbd_status err; |
| 401 | |
| 402 | if (sc == NULL) |
| 403 | return 0; |
| 404 | |
| 405 | DPRINTFN(0x200, |
| 406 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 407 | |
| 408 | if (sc->sc_dying) |
| 409 | return 0; |
| 410 | |
| 411 | offset &= 0xffff; |
| 412 | len &= 0xff; |
| 413 | |
| 414 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 415 | req.bRequest = UDAV_REQ_MEM_READ; |
| 416 | USETW(req.wValue, 0x0000); |
| 417 | USETW(req.wIndex, offset); |
| 418 | USETW(req.wLength, len); |
| 419 | |
| 420 | sc->sc_refcnt++; |
| 421 | err = usbd_do_request(sc->sc_udev, &req, buf); |
| 422 | if (--sc->sc_refcnt < 0) |
| 423 | usb_detach_wakeupold(sc->sc_dev); |
| 424 | if (err) { |
| 425 | DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n" , |
| 426 | device_xname(sc->sc_dev), __func__, offset, err)); |
| 427 | } |
| 428 | |
| 429 | return err; |
| 430 | } |
| 431 | |
| 432 | /* write memory */ |
| 433 | Static int |
| 434 | udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) |
| 435 | { |
| 436 | usb_device_request_t req; |
| 437 | usbd_status err; |
| 438 | |
| 439 | if (sc == NULL) |
| 440 | return 0; |
| 441 | |
| 442 | DPRINTFN(0x200, |
| 443 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 444 | |
| 445 | if (sc->sc_dying) |
| 446 | return 0; |
| 447 | |
| 448 | offset &= 0xffff; |
| 449 | len &= 0xff; |
| 450 | |
| 451 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 452 | req.bRequest = UDAV_REQ_MEM_WRITE; |
| 453 | USETW(req.wValue, 0x0000); |
| 454 | USETW(req.wIndex, offset); |
| 455 | USETW(req.wLength, len); |
| 456 | |
| 457 | sc->sc_refcnt++; |
| 458 | err = usbd_do_request(sc->sc_udev, &req, buf); |
| 459 | if (--sc->sc_refcnt < 0) |
| 460 | usb_detach_wakeupold(sc->sc_dev); |
| 461 | if (err) { |
| 462 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
| 463 | device_xname(sc->sc_dev), __func__, offset, err)); |
| 464 | } |
| 465 | |
| 466 | return err; |
| 467 | } |
| 468 | |
| 469 | /* write memory */ |
| 470 | Static int |
| 471 | udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) |
| 472 | { |
| 473 | usb_device_request_t req; |
| 474 | usbd_status err; |
| 475 | |
| 476 | if (sc == NULL) |
| 477 | return 0; |
| 478 | |
| 479 | DPRINTFN(0x200, |
| 480 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 481 | |
| 482 | if (sc->sc_dying) |
| 483 | return 0; |
| 484 | |
| 485 | offset &= 0xffff; |
| 486 | |
| 487 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 488 | req.bRequest = UDAV_REQ_MEM_WRITE1; |
| 489 | USETW(req.wValue, ch); |
| 490 | USETW(req.wIndex, offset); |
| 491 | USETW(req.wLength, 0x0000); |
| 492 | |
| 493 | sc->sc_refcnt++; |
| 494 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
| 495 | if (--sc->sc_refcnt < 0) |
| 496 | usb_detach_wakeupold(sc->sc_dev); |
| 497 | if (err) { |
| 498 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
| 499 | device_xname(sc->sc_dev), __func__, offset, err)); |
| 500 | } |
| 501 | |
| 502 | return err; |
| 503 | } |
| 504 | #endif |
| 505 | |
| 506 | /* read register(s) */ |
| 507 | Static int |
| 508 | udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) |
| 509 | { |
| 510 | usb_device_request_t req; |
| 511 | usbd_status err; |
| 512 | |
| 513 | if (sc == NULL) |
| 514 | return 0; |
| 515 | |
| 516 | DPRINTFN(0x200, |
| 517 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 518 | |
| 519 | if (sc->sc_dying) |
| 520 | return 0; |
| 521 | |
| 522 | offset &= 0xff; |
| 523 | len &= 0xff; |
| 524 | |
| 525 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 526 | req.bRequest = UDAV_REQ_REG_READ; |
| 527 | USETW(req.wValue, 0x0000); |
| 528 | USETW(req.wIndex, offset); |
| 529 | USETW(req.wLength, len); |
| 530 | |
| 531 | sc->sc_refcnt++; |
| 532 | err = usbd_do_request(sc->sc_udev, &req, buf); |
| 533 | if (--sc->sc_refcnt < 0) |
| 534 | usb_detach_wakeupold(sc->sc_dev); |
| 535 | if (err) { |
| 536 | DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n" , |
| 537 | device_xname(sc->sc_dev), __func__, offset, err)); |
| 538 | } |
| 539 | |
| 540 | return err; |
| 541 | } |
| 542 | |
| 543 | /* write register(s) */ |
| 544 | Static int |
| 545 | udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) |
| 546 | { |
| 547 | usb_device_request_t req; |
| 548 | usbd_status err; |
| 549 | |
| 550 | if (sc == NULL) |
| 551 | return 0; |
| 552 | |
| 553 | DPRINTFN(0x200, |
| 554 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 555 | |
| 556 | if (sc->sc_dying) |
| 557 | return 0; |
| 558 | |
| 559 | offset &= 0xff; |
| 560 | len &= 0xff; |
| 561 | |
| 562 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 563 | req.bRequest = UDAV_REQ_REG_WRITE; |
| 564 | USETW(req.wValue, 0x0000); |
| 565 | USETW(req.wIndex, offset); |
| 566 | USETW(req.wLength, len); |
| 567 | |
| 568 | sc->sc_refcnt++; |
| 569 | err = usbd_do_request(sc->sc_udev, &req, buf); |
| 570 | if (--sc->sc_refcnt < 0) |
| 571 | usb_detach_wakeupold(sc->sc_dev); |
| 572 | if (err) { |
| 573 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
| 574 | device_xname(sc->sc_dev), __func__, offset, err)); |
| 575 | } |
| 576 | |
| 577 | return err; |
| 578 | } |
| 579 | |
| 580 | Static int |
| 581 | udav_csr_read1(struct udav_softc *sc, int offset) |
| 582 | { |
| 583 | uint8_t val = 0; |
| 584 | |
| 585 | if (sc == NULL) |
| 586 | return 0; |
| 587 | |
| 588 | DPRINTFN(0x200, |
| 589 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 590 | |
| 591 | if (sc->sc_dying) |
| 592 | return 0; |
| 593 | |
| 594 | return udav_csr_read(sc, offset, &val, 1) ? 0 : val; |
| 595 | } |
| 596 | |
| 597 | /* write a register */ |
| 598 | Static int |
| 599 | udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) |
| 600 | { |
| 601 | usb_device_request_t req; |
| 602 | usbd_status err; |
| 603 | |
| 604 | if (sc == NULL) |
| 605 | return 0; |
| 606 | |
| 607 | DPRINTFN(0x200, |
| 608 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 609 | |
| 610 | if (sc->sc_dying) |
| 611 | return 0; |
| 612 | |
| 613 | offset &= 0xff; |
| 614 | |
| 615 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 616 | req.bRequest = UDAV_REQ_REG_WRITE1; |
| 617 | USETW(req.wValue, ch); |
| 618 | USETW(req.wIndex, offset); |
| 619 | USETW(req.wLength, 0x0000); |
| 620 | |
| 621 | sc->sc_refcnt++; |
| 622 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
| 623 | if (--sc->sc_refcnt < 0) |
| 624 | usb_detach_wakeupold(sc->sc_dev); |
| 625 | if (err) { |
| 626 | DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n" , |
| 627 | device_xname(sc->sc_dev), __func__, offset, err)); |
| 628 | } |
| 629 | |
| 630 | return err; |
| 631 | } |
| 632 | |
| 633 | Static int |
| 634 | udav_init(struct ifnet *ifp) |
| 635 | { |
| 636 | struct udav_softc *sc = ifp->if_softc; |
| 637 | struct mii_data *mii = GET_MII(sc); |
| 638 | uint8_t eaddr[ETHER_ADDR_LEN]; |
| 639 | int rc, s; |
| 640 | |
| 641 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 642 | |
| 643 | if (sc->sc_dying) |
| 644 | return EIO; |
| 645 | |
| 646 | s = splnet(); |
| 647 | |
| 648 | /* Cancel pending I/O and free all TX/RX buffers */ |
| 649 | udav_stop(ifp, 1); |
| 650 | |
| 651 | memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); |
| 652 | udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); |
| 653 | |
| 654 | /* Initialize network control register */ |
| 655 | /* Disable loopback */ |
| 656 | UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); |
| 657 | |
| 658 | /* Initialize RX control register */ |
| 659 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); |
| 660 | |
| 661 | /* If we want promiscuous mode, accept all physical frames. */ |
| 662 | if (ifp->if_flags & IFF_PROMISC) |
| 663 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); |
| 664 | else |
| 665 | UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); |
| 666 | |
| 667 | /* Load the multicast filter */ |
| 668 | udav_setmulti(sc); |
| 669 | |
| 670 | /* Enable RX */ |
| 671 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); |
| 672 | |
| 673 | /* clear POWER_DOWN state of internal PHY */ |
| 674 | UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); |
| 675 | UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); |
| 676 | |
| 677 | if ((rc = mii_mediachg(mii)) == ENXIO) |
| 678 | rc = 0; |
| 679 | else if (rc != 0) |
| 680 | goto out; |
| 681 | |
| 682 | if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { |
| 683 | if (udav_openpipes(sc)) { |
| 684 | splx(s); |
| 685 | return EIO; |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | /* Initialize transmit ring */ |
| 690 | if (udav_tx_list_init(sc)) { |
| 691 | printf("%s: tx list init failed\n" , device_xname(sc->sc_dev)); |
| 692 | splx(s); |
| 693 | return EIO; |
| 694 | } |
| 695 | |
| 696 | /* Initialize receive ring */ |
| 697 | if (udav_rx_list_init(sc)) { |
| 698 | printf("%s: rx list init failed\n" , device_xname(sc->sc_dev)); |
| 699 | splx(s); |
| 700 | return EIO; |
| 701 | } |
| 702 | |
| 703 | /* Start up the receive pipe. */ |
| 704 | for (size_t i = 0; i < UDAV_RX_LIST_CNT; i++) { |
| 705 | struct udav_chain *c = &sc->sc_cdata.udav_rx_chain[i]; |
| 706 | usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, UDAV_BUFSZ, |
| 707 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, udav_rxeof); |
| 708 | (void)usbd_transfer(c->udav_xfer); |
| 709 | DPRINTF(("%s: %s: start read\n" , device_xname(sc->sc_dev), |
| 710 | __func__)); |
| 711 | } |
| 712 | |
| 713 | ifp->if_flags |= IFF_RUNNING; |
| 714 | ifp->if_flags &= ~IFF_OACTIVE; |
| 715 | |
| 716 | callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); |
| 717 | |
| 718 | out: |
| 719 | splx(s); |
| 720 | return rc; |
| 721 | } |
| 722 | |
| 723 | Static void |
| 724 | udav_reset(struct udav_softc *sc) |
| 725 | { |
| 726 | int i; |
| 727 | |
| 728 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 729 | |
| 730 | if (sc->sc_dying) |
| 731 | return; |
| 732 | |
| 733 | /* Select PHY */ |
| 734 | #if 1 |
| 735 | /* |
| 736 | * XXX: force select internal phy. |
| 737 | * external phy routines are not tested. |
| 738 | */ |
| 739 | UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); |
| 740 | #else |
| 741 | if (sc->sc_flags & UDAV_EXT_PHY) { |
| 742 | UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); |
| 743 | } else { |
| 744 | UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); |
| 745 | } |
| 746 | #endif |
| 747 | |
| 748 | UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); |
| 749 | |
| 750 | for (i = 0; i < UDAV_TX_TIMEOUT; i++) { |
| 751 | if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) |
| 752 | break; |
| 753 | delay(10); /* XXX */ |
| 754 | } |
| 755 | delay(10000); /* XXX */ |
| 756 | } |
| 757 | |
| 758 | int |
| 759 | udav_activate(device_t self, enum devact act) |
| 760 | { |
| 761 | struct udav_softc *sc = device_private(self); |
| 762 | |
| 763 | DPRINTF(("%s: %s: enter, act=%d\n" , device_xname(sc->sc_dev), |
| 764 | __func__, act)); |
| 765 | switch (act) { |
| 766 | case DVACT_DEACTIVATE: |
| 767 | if_deactivate(&sc->sc_ec.ec_if); |
| 768 | sc->sc_dying = 1; |
| 769 | return 0; |
| 770 | default: |
| 771 | return EOPNOTSUPP; |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | #define UDAV_BITS 6 |
| 776 | |
| 777 | #define UDAV_CALCHASH(addr) \ |
| 778 | (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) |
| 779 | |
| 780 | Static void |
| 781 | udav_setmulti(struct udav_softc *sc) |
| 782 | { |
| 783 | struct ifnet *ifp; |
| 784 | struct ether_multi *enm; |
| 785 | struct ether_multistep step; |
| 786 | uint8_t hashes[8]; |
| 787 | int h = 0; |
| 788 | |
| 789 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 790 | |
| 791 | if (sc->sc_dying) |
| 792 | return; |
| 793 | |
| 794 | ifp = GET_IFP(sc); |
| 795 | |
| 796 | if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { |
| 797 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); |
| 798 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); |
| 799 | return; |
| 800 | } |
| 801 | |
| 802 | if (ifp->if_flags & IFF_PROMISC) { |
| 803 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); |
| 804 | return; |
| 805 | } else if (ifp->if_flags & IFF_ALLMULTI) { |
| 806 | allmulti: |
| 807 | ifp->if_flags |= IFF_ALLMULTI; |
| 808 | UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); |
| 809 | UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); |
| 810 | return; |
| 811 | } |
| 812 | |
| 813 | /* first, zot all the existing hash bits */ |
| 814 | memset(hashes, 0x00, sizeof(hashes)); |
| 815 | hashes[7] |= 0x80; /* broadcast address */ |
| 816 | udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); |
| 817 | |
| 818 | /* now program new ones */ |
| 819 | ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); |
| 820 | while (enm != NULL) { |
| 821 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, |
| 822 | ETHER_ADDR_LEN) != 0) |
| 823 | goto allmulti; |
| 824 | |
| 825 | h = UDAV_CALCHASH(enm->enm_addrlo); |
| 826 | hashes[h>>3] |= 1 << (h & 0x7); |
| 827 | ETHER_NEXT_MULTI(step, enm); |
| 828 | } |
| 829 | |
| 830 | /* disable all multicast */ |
| 831 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 832 | UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); |
| 833 | |
| 834 | /* write hash value to the register */ |
| 835 | udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); |
| 836 | } |
| 837 | |
| 838 | Static int |
| 839 | udav_openpipes(struct udav_softc *sc) |
| 840 | { |
| 841 | usbd_status err; |
| 842 | int error = 0; |
| 843 | |
| 844 | if (sc->sc_dying) |
| 845 | return EIO; |
| 846 | |
| 847 | sc->sc_refcnt++; |
| 848 | |
| 849 | /* Open RX pipe */ |
| 850 | err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, |
| 851 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); |
| 852 | if (err) { |
| 853 | printf("%s: open rx pipe failed: %s\n" , |
| 854 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 855 | error = EIO; |
| 856 | goto done; |
| 857 | } |
| 858 | |
| 859 | /* Open TX pipe */ |
| 860 | err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, |
| 861 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); |
| 862 | if (err) { |
| 863 | printf("%s: open tx pipe failed: %s\n" , |
| 864 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 865 | error = EIO; |
| 866 | goto done; |
| 867 | } |
| 868 | |
| 869 | #if 0 |
| 870 | /* XXX: interrupt endpoint is not yet supported */ |
| 871 | /* Open Interrupt pipe */ |
| 872 | err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, |
| 873 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, |
| 874 | &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, |
| 875 | udav_intr, USBD_DEFAULT_INTERVAL); |
| 876 | if (err) { |
| 877 | printf("%s: open intr pipe failed: %s\n" , |
| 878 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 879 | error = EIO; |
| 880 | goto done; |
| 881 | } |
| 882 | #endif |
| 883 | done: |
| 884 | if (--sc->sc_refcnt < 0) |
| 885 | usb_detach_wakeupold(sc->sc_dev); |
| 886 | |
| 887 | return error; |
| 888 | } |
| 889 | |
| 890 | Static int |
| 891 | udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) |
| 892 | { |
| 893 | struct mbuf *m_new = NULL; |
| 894 | |
| 895 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 896 | |
| 897 | if (m == NULL) { |
| 898 | MGETHDR(m_new, M_DONTWAIT, MT_DATA); |
| 899 | if (m_new == NULL) { |
| 900 | printf("%s: no memory for rx list " |
| 901 | "-- packet dropped!\n" , device_xname(sc->sc_dev)); |
| 902 | return ENOBUFS; |
| 903 | } |
| 904 | MCLGET(m_new, M_DONTWAIT); |
| 905 | if (!(m_new->m_flags & M_EXT)) { |
| 906 | printf("%s: no memory for rx list " |
| 907 | "-- packet dropped!\n" , device_xname(sc->sc_dev)); |
| 908 | m_freem(m_new); |
| 909 | return ENOBUFS; |
| 910 | } |
| 911 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
| 912 | } else { |
| 913 | m_new = m; |
| 914 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
| 915 | m_new->m_data = m_new->m_ext.ext_buf; |
| 916 | } |
| 917 | |
| 918 | m_adj(m_new, ETHER_ALIGN); |
| 919 | c->udav_mbuf = m_new; |
| 920 | |
| 921 | return 0; |
| 922 | } |
| 923 | |
| 924 | |
| 925 | Static int |
| 926 | udav_rx_list_init(struct udav_softc *sc) |
| 927 | { |
| 928 | struct udav_cdata *cd; |
| 929 | struct udav_chain *c; |
| 930 | int i; |
| 931 | |
| 932 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 933 | |
| 934 | cd = &sc->sc_cdata; |
| 935 | for (i = 0; i < UDAV_RX_LIST_CNT; i++) { |
| 936 | c = &cd->udav_rx_chain[i]; |
| 937 | c->udav_sc = sc; |
| 938 | c->udav_idx = i; |
| 939 | if (udav_newbuf(sc, c, NULL) == ENOBUFS) |
| 940 | return ENOBUFS; |
| 941 | if (c->udav_xfer == NULL) { |
| 942 | int error = usbd_create_xfer(sc->sc_pipe_rx, |
| 943 | UDAV_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->udav_xfer); |
| 944 | if (error) |
| 945 | return error; |
| 946 | c->udav_buf = usbd_get_buffer(c->udav_xfer); |
| 947 | } |
| 948 | } |
| 949 | |
| 950 | return 0; |
| 951 | } |
| 952 | |
| 953 | Static int |
| 954 | udav_tx_list_init(struct udav_softc *sc) |
| 955 | { |
| 956 | struct udav_cdata *cd; |
| 957 | struct udav_chain *c; |
| 958 | int i; |
| 959 | |
| 960 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 961 | |
| 962 | cd = &sc->sc_cdata; |
| 963 | for (i = 0; i < UDAV_TX_LIST_CNT; i++) { |
| 964 | c = &cd->udav_tx_chain[i]; |
| 965 | c->udav_sc = sc; |
| 966 | c->udav_idx = i; |
| 967 | c->udav_mbuf = NULL; |
| 968 | if (c->udav_xfer == NULL) { |
| 969 | int error = usbd_create_xfer(sc->sc_pipe_tx, UDAV_BUFSZ, |
| 970 | USBD_FORCE_SHORT_XFER, 0, &c->udav_xfer); |
| 971 | if (error) |
| 972 | return error; |
| 973 | c->udav_buf = usbd_get_buffer(c->udav_xfer); |
| 974 | } |
| 975 | } |
| 976 | |
| 977 | return 0; |
| 978 | } |
| 979 | |
| 980 | Static void |
| 981 | udav_start(struct ifnet *ifp) |
| 982 | { |
| 983 | struct udav_softc *sc = ifp->if_softc; |
| 984 | struct mbuf *m_head = NULL; |
| 985 | |
| 986 | DPRINTF(("%s: %s: enter, link=%d\n" , device_xname(sc->sc_dev), |
| 987 | __func__, sc->sc_link)); |
| 988 | |
| 989 | if (sc->sc_dying) |
| 990 | return; |
| 991 | |
| 992 | if (!sc->sc_link) |
| 993 | return; |
| 994 | |
| 995 | if (ifp->if_flags & IFF_OACTIVE) |
| 996 | return; |
| 997 | |
| 998 | IFQ_POLL(&ifp->if_snd, m_head); |
| 999 | if (m_head == NULL) |
| 1000 | return; |
| 1001 | |
| 1002 | if (udav_send(sc, m_head, 0)) { |
| 1003 | ifp->if_flags |= IFF_OACTIVE; |
| 1004 | return; |
| 1005 | } |
| 1006 | |
| 1007 | IFQ_DEQUEUE(&ifp->if_snd, m_head); |
| 1008 | |
| 1009 | bpf_mtap(ifp, m_head); |
| 1010 | |
| 1011 | ifp->if_flags |= IFF_OACTIVE; |
| 1012 | |
| 1013 | /* Set a timeout in case the chip goes out to lunch. */ |
| 1014 | ifp->if_timer = 5; |
| 1015 | } |
| 1016 | |
| 1017 | Static int |
| 1018 | udav_send(struct udav_softc *sc, struct mbuf *m, int idx) |
| 1019 | { |
| 1020 | int total_len; |
| 1021 | struct udav_chain *c; |
| 1022 | usbd_status err; |
| 1023 | |
| 1024 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev),__func__)); |
| 1025 | |
| 1026 | c = &sc->sc_cdata.udav_tx_chain[idx]; |
| 1027 | |
| 1028 | /* Copy the mbuf data into a contiguous buffer */ |
| 1029 | /* first 2 bytes are packet length */ |
| 1030 | m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); |
| 1031 | c->udav_mbuf = m; |
| 1032 | total_len = m->m_pkthdr.len; |
| 1033 | if (total_len < UDAV_MIN_FRAME_LEN) { |
| 1034 | memset(c->udav_buf + 2 + total_len, 0, |
| 1035 | UDAV_MIN_FRAME_LEN - total_len); |
| 1036 | total_len = UDAV_MIN_FRAME_LEN; |
| 1037 | } |
| 1038 | |
| 1039 | /* Frame length is specified in the first 2bytes of the buffer */ |
| 1040 | c->udav_buf[0] = (uint8_t)total_len; |
| 1041 | c->udav_buf[1] = (uint8_t)(total_len >> 8); |
| 1042 | total_len += 2; |
| 1043 | |
| 1044 | usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, total_len, |
| 1045 | USBD_FORCE_SHORT_XFER, UDAV_TX_TIMEOUT, udav_txeof); |
| 1046 | |
| 1047 | /* Transmit */ |
| 1048 | sc->sc_refcnt++; |
| 1049 | err = usbd_transfer(c->udav_xfer); |
| 1050 | if (--sc->sc_refcnt < 0) |
| 1051 | usb_detach_wakeupold(sc->sc_dev); |
| 1052 | if (err != USBD_IN_PROGRESS) { |
| 1053 | printf("%s: udav_send error=%s\n" , device_xname(sc->sc_dev), |
| 1054 | usbd_errstr(err)); |
| 1055 | /* Stop the interface */ |
| 1056 | usb_add_task(sc->sc_udev, &sc->sc_stop_task, |
| 1057 | USB_TASKQ_DRIVER); |
| 1058 | return EIO; |
| 1059 | } |
| 1060 | |
| 1061 | DPRINTF(("%s: %s: send %d bytes\n" , device_xname(sc->sc_dev), |
| 1062 | __func__, total_len)); |
| 1063 | |
| 1064 | sc->sc_cdata.udav_tx_cnt++; |
| 1065 | |
| 1066 | return 0; |
| 1067 | } |
| 1068 | |
| 1069 | Static void |
| 1070 | udav_txeof(struct usbd_xfer *xfer, void *priv, |
| 1071 | usbd_status status) |
| 1072 | { |
| 1073 | struct udav_chain *c = priv; |
| 1074 | struct udav_softc *sc = c->udav_sc; |
| 1075 | struct ifnet *ifp = GET_IFP(sc); |
| 1076 | int s; |
| 1077 | |
| 1078 | if (sc->sc_dying) |
| 1079 | return; |
| 1080 | |
| 1081 | s = splnet(); |
| 1082 | |
| 1083 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1084 | |
| 1085 | ifp->if_timer = 0; |
| 1086 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1087 | |
| 1088 | if (status != USBD_NORMAL_COMPLETION) { |
| 1089 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { |
| 1090 | splx(s); |
| 1091 | return; |
| 1092 | } |
| 1093 | ifp->if_oerrors++; |
| 1094 | printf("%s: usb error on tx: %s\n" , device_xname(sc->sc_dev), |
| 1095 | usbd_errstr(status)); |
| 1096 | if (status == USBD_STALLED) { |
| 1097 | sc->sc_refcnt++; |
| 1098 | usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); |
| 1099 | if (--sc->sc_refcnt < 0) |
| 1100 | usb_detach_wakeupold(sc->sc_dev); |
| 1101 | } |
| 1102 | splx(s); |
| 1103 | return; |
| 1104 | } |
| 1105 | |
| 1106 | ifp->if_opackets++; |
| 1107 | |
| 1108 | m_freem(c->udav_mbuf); |
| 1109 | c->udav_mbuf = NULL; |
| 1110 | |
| 1111 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 1112 | udav_start(ifp); |
| 1113 | |
| 1114 | splx(s); |
| 1115 | } |
| 1116 | |
| 1117 | Static void |
| 1118 | udav_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 1119 | { |
| 1120 | struct udav_chain *c = priv; |
| 1121 | struct udav_softc *sc = c->udav_sc; |
| 1122 | struct ifnet *ifp = GET_IFP(sc); |
| 1123 | struct mbuf *m; |
| 1124 | uint32_t total_len; |
| 1125 | uint8_t *pktstat; |
| 1126 | int s; |
| 1127 | |
| 1128 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev),__func__)); |
| 1129 | |
| 1130 | if (sc->sc_dying) |
| 1131 | return; |
| 1132 | |
| 1133 | if (status != USBD_NORMAL_COMPLETION) { |
| 1134 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
| 1135 | return; |
| 1136 | sc->sc_rx_errs++; |
| 1137 | if (usbd_ratecheck(&sc->sc_rx_notice)) { |
| 1138 | printf("%s: %u usb errors on rx: %s\n" , |
| 1139 | device_xname(sc->sc_dev), sc->sc_rx_errs, |
| 1140 | usbd_errstr(status)); |
| 1141 | sc->sc_rx_errs = 0; |
| 1142 | } |
| 1143 | if (status == USBD_STALLED) { |
| 1144 | sc->sc_refcnt++; |
| 1145 | usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); |
| 1146 | if (--sc->sc_refcnt < 0) |
| 1147 | usb_detach_wakeupold(sc->sc_dev); |
| 1148 | } |
| 1149 | goto done; |
| 1150 | } |
| 1151 | |
| 1152 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); |
| 1153 | |
| 1154 | /* copy data to mbuf */ |
| 1155 | m = c->udav_mbuf; |
| 1156 | memcpy(mtod(m, char *), c->udav_buf, total_len); |
| 1157 | |
| 1158 | /* first byte in received data */ |
| 1159 | pktstat = mtod(m, uint8_t *); |
| 1160 | m_adj(m, sizeof(uint8_t)); |
| 1161 | DPRINTF(("%s: RX Status: 0x%02x\n" , device_xname(sc->sc_dev), |
| 1162 | *pktstat)); |
| 1163 | |
| 1164 | total_len = UGETW(mtod(m, uint8_t *)); |
| 1165 | m_adj(m, sizeof(uint16_t)); |
| 1166 | |
| 1167 | if (*pktstat & UDAV_RSR_LCS) { |
| 1168 | ifp->if_collisions++; |
| 1169 | goto done; |
| 1170 | } |
| 1171 | |
| 1172 | if (total_len < sizeof(struct ether_header) || |
| 1173 | *pktstat & UDAV_RSR_ERR) { |
| 1174 | ifp->if_ierrors++; |
| 1175 | goto done; |
| 1176 | } |
| 1177 | |
| 1178 | ifp->if_ipackets++; |
| 1179 | total_len -= ETHER_CRC_LEN; |
| 1180 | |
| 1181 | m->m_pkthdr.len = m->m_len = total_len; |
| 1182 | m_set_rcvif(m, ifp); |
| 1183 | |
| 1184 | s = splnet(); |
| 1185 | |
| 1186 | if (udav_newbuf(sc, c, NULL) == ENOBUFS) { |
| 1187 | ifp->if_ierrors++; |
| 1188 | goto done1; |
| 1189 | } |
| 1190 | |
| 1191 | bpf_mtap(ifp, m); |
| 1192 | |
| 1193 | DPRINTF(("%s: %s: deliver %d\n" , device_xname(sc->sc_dev), |
| 1194 | __func__, m->m_len)); |
| 1195 | if_percpuq_enqueue((ifp)->if_percpuq, (m)); |
| 1196 | |
| 1197 | done1: |
| 1198 | splx(s); |
| 1199 | |
| 1200 | done: |
| 1201 | /* Setup new transfer */ |
| 1202 | usbd_setup_xfer(xfer, c, c->udav_buf, UDAV_BUFSZ, USBD_SHORT_XFER_OK, |
| 1203 | USBD_NO_TIMEOUT, udav_rxeof); |
| 1204 | sc->sc_refcnt++; |
| 1205 | usbd_transfer(xfer); |
| 1206 | if (--sc->sc_refcnt < 0) |
| 1207 | usb_detach_wakeupold(sc->sc_dev); |
| 1208 | |
| 1209 | DPRINTF(("%s: %s: start rx\n" , device_xname(sc->sc_dev), __func__)); |
| 1210 | } |
| 1211 | |
| 1212 | #if 0 |
| 1213 | Static void udav_intr(void) |
| 1214 | { |
| 1215 | } |
| 1216 | #endif |
| 1217 | |
| 1218 | Static int |
| 1219 | udav_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
| 1220 | { |
| 1221 | struct udav_softc *sc = ifp->if_softc; |
| 1222 | int s, error = 0; |
| 1223 | |
| 1224 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1225 | |
| 1226 | if (sc->sc_dying) |
| 1227 | return EIO; |
| 1228 | |
| 1229 | s = splnet(); |
| 1230 | |
| 1231 | error = ether_ioctl(ifp, cmd, data); |
| 1232 | if (error == ENETRESET) { |
| 1233 | if (ifp->if_flags & IFF_RUNNING) |
| 1234 | udav_setmulti(sc); |
| 1235 | error = 0; |
| 1236 | } |
| 1237 | |
| 1238 | splx(s); |
| 1239 | |
| 1240 | return error; |
| 1241 | } |
| 1242 | |
| 1243 | Static void |
| 1244 | udav_watchdog(struct ifnet *ifp) |
| 1245 | { |
| 1246 | struct udav_softc *sc = ifp->if_softc; |
| 1247 | struct udav_chain *c; |
| 1248 | usbd_status stat; |
| 1249 | int s; |
| 1250 | |
| 1251 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1252 | |
| 1253 | ifp->if_oerrors++; |
| 1254 | printf("%s: watchdog timeout\n" , device_xname(sc->sc_dev)); |
| 1255 | |
| 1256 | s = splusb(); |
| 1257 | c = &sc->sc_cdata.udav_tx_chain[0]; |
| 1258 | usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat); |
| 1259 | udav_txeof(c->udav_xfer, c, stat); |
| 1260 | |
| 1261 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 1262 | udav_start(ifp); |
| 1263 | splx(s); |
| 1264 | } |
| 1265 | |
| 1266 | Static void |
| 1267 | udav_stop_task(struct udav_softc *sc) |
| 1268 | { |
| 1269 | udav_stop(GET_IFP(sc), 1); |
| 1270 | } |
| 1271 | |
| 1272 | /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ |
| 1273 | Static void |
| 1274 | udav_stop(struct ifnet *ifp, int disable) |
| 1275 | { |
| 1276 | struct udav_softc *sc = ifp->if_softc; |
| 1277 | usbd_status err; |
| 1278 | int i; |
| 1279 | |
| 1280 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1281 | |
| 1282 | ifp->if_timer = 0; |
| 1283 | |
| 1284 | udav_reset(sc); |
| 1285 | |
| 1286 | callout_stop(&sc->sc_stat_ch); |
| 1287 | |
| 1288 | /* Stop transfers */ |
| 1289 | /* RX endpoint */ |
| 1290 | if (sc->sc_pipe_rx != NULL) { |
| 1291 | err = usbd_abort_pipe(sc->sc_pipe_rx); |
| 1292 | if (err) |
| 1293 | printf("%s: abort rx pipe failed: %s\n" , |
| 1294 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1295 | } |
| 1296 | |
| 1297 | /* TX endpoint */ |
| 1298 | if (sc->sc_pipe_tx != NULL) { |
| 1299 | err = usbd_abort_pipe(sc->sc_pipe_tx); |
| 1300 | if (err) |
| 1301 | printf("%s: abort tx pipe failed: %s\n" , |
| 1302 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1303 | } |
| 1304 | |
| 1305 | #if 0 |
| 1306 | /* XXX: Interrupt endpoint is not yet supported!! */ |
| 1307 | /* Interrupt endpoint */ |
| 1308 | if (sc->sc_pipe_intr != NULL) { |
| 1309 | err = usbd_abort_pipe(sc->sc_pipe_intr); |
| 1310 | if (err) |
| 1311 | printf("%s: abort intr pipe failed: %s\n" , |
| 1312 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1313 | err = usbd_close_pipe(sc->sc_pipe_intr); |
| 1314 | if (err) |
| 1315 | printf("%s: close intr pipe failed: %s\n" , |
| 1316 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1317 | sc->sc_pipe_intr = NULL; |
| 1318 | } |
| 1319 | #endif |
| 1320 | |
| 1321 | /* Free RX resources. */ |
| 1322 | for (i = 0; i < UDAV_RX_LIST_CNT; i++) { |
| 1323 | if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) { |
| 1324 | m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf); |
| 1325 | sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL; |
| 1326 | } |
| 1327 | if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) { |
| 1328 | usbd_destroy_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer); |
| 1329 | sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL; |
| 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | /* Free TX resources. */ |
| 1334 | for (i = 0; i < UDAV_TX_LIST_CNT; i++) { |
| 1335 | if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) { |
| 1336 | m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf); |
| 1337 | sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL; |
| 1338 | } |
| 1339 | if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) { |
| 1340 | usbd_destroy_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer); |
| 1341 | sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL; |
| 1342 | } |
| 1343 | } |
| 1344 | |
| 1345 | /* Close pipes */ |
| 1346 | /* RX endpoint */ |
| 1347 | if (sc->sc_pipe_rx != NULL) { |
| 1348 | err = usbd_close_pipe(sc->sc_pipe_rx); |
| 1349 | if (err) |
| 1350 | printf("%s: close rx pipe failed: %s\n" , |
| 1351 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1352 | sc->sc_pipe_rx = NULL; |
| 1353 | } |
| 1354 | |
| 1355 | /* TX endpoint */ |
| 1356 | if (sc->sc_pipe_tx != NULL) { |
| 1357 | err = usbd_close_pipe(sc->sc_pipe_tx); |
| 1358 | if (err) |
| 1359 | printf("%s: close tx pipe failed: %s\n" , |
| 1360 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1361 | sc->sc_pipe_tx = NULL; |
| 1362 | } |
| 1363 | |
| 1364 | if (!ISSET(sc->sc_flags, UDAV_NO_PHY)) |
| 1365 | sc->sc_link = 0; |
| 1366 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
| 1367 | } |
| 1368 | |
| 1369 | /* Set media options */ |
| 1370 | Static int |
| 1371 | udav_ifmedia_change(struct ifnet *ifp) |
| 1372 | { |
| 1373 | struct udav_softc *sc = ifp->if_softc; |
| 1374 | struct mii_data *mii = GET_MII(sc); |
| 1375 | int rc; |
| 1376 | |
| 1377 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1378 | |
| 1379 | if (sc->sc_dying) |
| 1380 | return 0; |
| 1381 | |
| 1382 | sc->sc_link = 0; |
| 1383 | if ((rc = mii_mediachg(mii)) == ENXIO) |
| 1384 | return 0; |
| 1385 | return rc; |
| 1386 | } |
| 1387 | |
| 1388 | /* Report current media status. */ |
| 1389 | Static void |
| 1390 | udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) |
| 1391 | { |
| 1392 | struct udav_softc *sc = ifp->if_softc; |
| 1393 | |
| 1394 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1395 | |
| 1396 | if (sc->sc_dying) |
| 1397 | return; |
| 1398 | |
| 1399 | ether_mediastatus(ifp, ifmr); |
| 1400 | } |
| 1401 | |
| 1402 | Static void |
| 1403 | udav_tick(void *xsc) |
| 1404 | { |
| 1405 | struct udav_softc *sc = xsc; |
| 1406 | |
| 1407 | if (sc == NULL) |
| 1408 | return; |
| 1409 | |
| 1410 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1411 | __func__)); |
| 1412 | |
| 1413 | if (sc->sc_dying) |
| 1414 | return; |
| 1415 | |
| 1416 | /* Perform periodic stuff in process context */ |
| 1417 | usb_add_task(sc->sc_udev, &sc->sc_tick_task, |
| 1418 | USB_TASKQ_DRIVER); |
| 1419 | } |
| 1420 | |
| 1421 | Static void |
| 1422 | udav_tick_task(void *xsc) |
| 1423 | { |
| 1424 | struct udav_softc *sc = xsc; |
| 1425 | struct ifnet *ifp; |
| 1426 | struct mii_data *mii; |
| 1427 | int s; |
| 1428 | |
| 1429 | if (sc == NULL) |
| 1430 | return; |
| 1431 | |
| 1432 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1433 | __func__)); |
| 1434 | |
| 1435 | if (sc->sc_dying) |
| 1436 | return; |
| 1437 | |
| 1438 | ifp = GET_IFP(sc); |
| 1439 | mii = GET_MII(sc); |
| 1440 | |
| 1441 | if (mii == NULL) |
| 1442 | return; |
| 1443 | |
| 1444 | s = splnet(); |
| 1445 | |
| 1446 | mii_tick(mii); |
| 1447 | if (!sc->sc_link) { |
| 1448 | mii_pollstat(mii); |
| 1449 | if (mii->mii_media_status & IFM_ACTIVE && |
| 1450 | IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { |
| 1451 | DPRINTF(("%s: %s: got link\n" , |
| 1452 | device_xname(sc->sc_dev), __func__)); |
| 1453 | sc->sc_link++; |
| 1454 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 1455 | udav_start(ifp); |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); |
| 1460 | |
| 1461 | splx(s); |
| 1462 | } |
| 1463 | |
| 1464 | /* Get exclusive access to the MII registers */ |
| 1465 | Static void |
| 1466 | udav_lock_mii(struct udav_softc *sc) |
| 1467 | { |
| 1468 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1469 | __func__)); |
| 1470 | |
| 1471 | sc->sc_refcnt++; |
| 1472 | mutex_enter(&sc->sc_mii_lock); |
| 1473 | } |
| 1474 | |
| 1475 | Static void |
| 1476 | udav_unlock_mii(struct udav_softc *sc) |
| 1477 | { |
| 1478 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1479 | __func__)); |
| 1480 | |
| 1481 | mutex_exit(&sc->sc_mii_lock); |
| 1482 | if (--sc->sc_refcnt < 0) |
| 1483 | usb_detach_wakeupold(sc->sc_dev); |
| 1484 | } |
| 1485 | |
| 1486 | Static int |
| 1487 | udav_miibus_readreg(device_t dev, int phy, int reg) |
| 1488 | { |
| 1489 | struct udav_softc *sc; |
| 1490 | uint8_t val[2]; |
| 1491 | uint16_t data16; |
| 1492 | |
| 1493 | if (dev == NULL) |
| 1494 | return 0; |
| 1495 | |
| 1496 | sc = device_private(dev); |
| 1497 | |
| 1498 | DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n" , |
| 1499 | device_xname(sc->sc_dev), __func__, phy, reg)); |
| 1500 | |
| 1501 | if (sc->sc_dying) { |
| 1502 | #ifdef DIAGNOSTIC |
| 1503 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
| 1504 | __func__); |
| 1505 | #endif |
| 1506 | return 0; |
| 1507 | } |
| 1508 | |
| 1509 | /* XXX: one PHY only for the internal PHY */ |
| 1510 | if (phy != 0) { |
| 1511 | DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n" , |
| 1512 | device_xname(sc->sc_dev), __func__, phy)); |
| 1513 | return 0; |
| 1514 | } |
| 1515 | |
| 1516 | udav_lock_mii(sc); |
| 1517 | |
| 1518 | /* select internal PHY and set PHY register address */ |
| 1519 | udav_csr_write1(sc, UDAV_EPAR, |
| 1520 | UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); |
| 1521 | |
| 1522 | /* select PHY operation and start read command */ |
| 1523 | udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); |
| 1524 | |
| 1525 | /* XXX: should be wait? */ |
| 1526 | |
| 1527 | /* end read command */ |
| 1528 | UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); |
| 1529 | |
| 1530 | /* retrieve the result from data registers */ |
| 1531 | udav_csr_read(sc, UDAV_EPDRL, val, 2); |
| 1532 | |
| 1533 | udav_unlock_mii(sc); |
| 1534 | |
| 1535 | data16 = val[0] | (val[1] << 8); |
| 1536 | |
| 1537 | DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n" , |
| 1538 | device_xname(sc->sc_dev), __func__, phy, reg, data16)); |
| 1539 | |
| 1540 | return data16; |
| 1541 | } |
| 1542 | |
| 1543 | Static void |
| 1544 | udav_miibus_writereg(device_t dev, int phy, int reg, int data) |
| 1545 | { |
| 1546 | struct udav_softc *sc; |
| 1547 | uint8_t val[2]; |
| 1548 | |
| 1549 | if (dev == NULL) |
| 1550 | return; |
| 1551 | |
| 1552 | sc = device_private(dev); |
| 1553 | |
| 1554 | DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n" , |
| 1555 | device_xname(sc->sc_dev), __func__, phy, reg, data)); |
| 1556 | |
| 1557 | if (sc->sc_dying) { |
| 1558 | #ifdef DIAGNOSTIC |
| 1559 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
| 1560 | __func__); |
| 1561 | #endif |
| 1562 | return; |
| 1563 | } |
| 1564 | |
| 1565 | /* XXX: one PHY only for the internal PHY */ |
| 1566 | if (phy != 0) { |
| 1567 | DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n" , |
| 1568 | device_xname(sc->sc_dev), __func__, phy)); |
| 1569 | return; |
| 1570 | } |
| 1571 | |
| 1572 | udav_lock_mii(sc); |
| 1573 | |
| 1574 | /* select internal PHY and set PHY register address */ |
| 1575 | udav_csr_write1(sc, UDAV_EPAR, |
| 1576 | UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); |
| 1577 | |
| 1578 | /* put the value to the data registers */ |
| 1579 | val[0] = data & 0xff; |
| 1580 | val[1] = (data >> 8) & 0xff; |
| 1581 | udav_csr_write(sc, UDAV_EPDRL, val, 2); |
| 1582 | |
| 1583 | /* select PHY operation and start write command */ |
| 1584 | udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); |
| 1585 | |
| 1586 | /* XXX: should be wait? */ |
| 1587 | |
| 1588 | /* end write command */ |
| 1589 | UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); |
| 1590 | |
| 1591 | udav_unlock_mii(sc); |
| 1592 | |
| 1593 | return; |
| 1594 | } |
| 1595 | |
| 1596 | Static void |
| 1597 | udav_miibus_statchg(struct ifnet *ifp) |
| 1598 | { |
| 1599 | #ifdef UDAV_DEBUG |
| 1600 | |
| 1601 | if (ifp == NULL) |
| 1602 | return; |
| 1603 | |
| 1604 | DPRINTF(("%s: %s: enter\n" , ifp->if_xname, __func__)); |
| 1605 | #endif |
| 1606 | /* Nothing to do */ |
| 1607 | } |
| 1608 | |