tulip.c revision 1.157.6.2
1 /* $NetBSD: tulip.c,v 1.157.6.2 2008/06/02 13:23:28 mjf Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center; and by Charles M. Hannum. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 35 * Ethernet controller family, and a variety of clone chips. 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.157.6.2 2008/06/02 13:23:28 mjf Exp $"); 40 41 #include "bpfilter.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/callout.h> 46 #include <sys/mbuf.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/socket.h> 50 #include <sys/ioctl.h> 51 #include <sys/errno.h> 52 #include <sys/device.h> 53 54 #include <machine/endian.h> 55 56 #include <uvm/uvm_extern.h> 57 58 #include <net/if.h> 59 #include <net/if_dl.h> 60 #include <net/if_media.h> 61 #include <net/if_ether.h> 62 63 #if NBPFILTER > 0 64 #include <net/bpf.h> 65 #endif 66 67 #include <sys/bus.h> 68 #include <sys/intr.h> 69 70 #include <dev/mii/mii.h> 71 #include <dev/mii/miivar.h> 72 #include <dev/mii/mii_bitbang.h> 73 74 #include <dev/ic/tulipreg.h> 75 #include <dev/ic/tulipvar.h> 76 77 const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; 78 79 static const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 80 TLP_TXTHRESH_TAB_10; 81 82 static const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 83 TLP_TXTHRESH_TAB_10_100; 84 85 static const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 86 TLP_TXTHRESH_TAB_WINB; 87 88 static const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 89 TLP_TXTHRESH_TAB_DM9102; 90 91 static void tlp_start(struct ifnet *); 92 static void tlp_watchdog(struct ifnet *); 93 static int tlp_ioctl(struct ifnet *, u_long, void *); 94 static int tlp_init(struct ifnet *); 95 static void tlp_stop(struct ifnet *, int); 96 97 static void tlp_rxdrain(struct tulip_softc *); 98 static int tlp_add_rxbuf(struct tulip_softc *, int); 99 static void tlp_srom_idle(struct tulip_softc *); 100 static int tlp_srom_size(struct tulip_softc *); 101 102 static int tlp_enable(struct tulip_softc *); 103 static void tlp_disable(struct tulip_softc *); 104 105 static void tlp_filter_setup(struct tulip_softc *); 106 static void tlp_winb_filter_setup(struct tulip_softc *); 107 static void tlp_al981_filter_setup(struct tulip_softc *); 108 static void tlp_asix_filter_setup(struct tulip_softc *); 109 110 static void tlp_rxintr(struct tulip_softc *); 111 static void tlp_txintr(struct tulip_softc *); 112 113 static void tlp_mii_tick(void *); 114 static void tlp_mii_statchg(struct device *); 115 static void tlp_winb_mii_statchg(struct device *); 116 static void tlp_dm9102_mii_statchg(struct device *); 117 118 static void tlp_mii_getmedia(struct tulip_softc *, struct ifmediareq *); 119 static int tlp_mii_setmedia(struct tulip_softc *); 120 121 static int tlp_bitbang_mii_readreg(struct device *, int, int); 122 static void tlp_bitbang_mii_writereg(struct device *, int, int, int); 123 124 static int tlp_pnic_mii_readreg(struct device *, int, int); 125 static void tlp_pnic_mii_writereg(struct device *, int, int, int); 126 127 static int tlp_al981_mii_readreg(struct device *, int, int); 128 static void tlp_al981_mii_writereg(struct device *, int, int, int); 129 130 static void tlp_2114x_preinit(struct tulip_softc *); 131 static void tlp_2114x_mii_preinit(struct tulip_softc *); 132 static void tlp_pnic_preinit(struct tulip_softc *); 133 static void tlp_dm9102_preinit(struct tulip_softc *); 134 static void tlp_asix_preinit(struct tulip_softc *); 135 136 static void tlp_21140_reset(struct tulip_softc *); 137 static void tlp_21142_reset(struct tulip_softc *); 138 static void tlp_pmac_reset(struct tulip_softc *); 139 #if 0 140 static void tlp_dm9102_reset(struct tulip_softc *); 141 #endif 142 143 static void tlp_2114x_nway_tick(void *); 144 145 #define tlp_mchash(addr, sz) \ 146 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 147 148 /* 149 * MII bit-bang glue. 150 */ 151 static u_int32_t tlp_sio_mii_bitbang_read(struct device *); 152 static void tlp_sio_mii_bitbang_write(struct device *, u_int32_t); 153 154 static const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 155 tlp_sio_mii_bitbang_read, 156 tlp_sio_mii_bitbang_write, 157 { 158 MIIROM_MDO, /* MII_BIT_MDO */ 159 MIIROM_MDI, /* MII_BIT_MDI */ 160 MIIROM_MDC, /* MII_BIT_MDC */ 161 0, /* MII_BIT_DIR_HOST_PHY */ 162 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 163 } 164 }; 165 166 #ifdef TLP_DEBUG 167 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 168 printf x 169 #else 170 #define DPRINTF(sc, x) /* nothing */ 171 #endif 172 173 #ifdef TLP_STATS 174 static void tlp_print_stats(struct tulip_softc *); 175 #endif 176 177 /* 178 * Can be used to debug the SROM-related things, including contents. 179 * Initialized so that it's patchable. 180 */ 181 int tlp_srom_debug = 0; 182 183 /* 184 * tlp_attach: 185 * 186 * Attach a Tulip interface to the system. 187 */ 188 void 189 tlp_attach(struct tulip_softc *sc, const u_int8_t *enaddr) 190 { 191 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 192 device_t self = &sc->sc_dev; 193 int i, error; 194 195 callout_init(&sc->sc_nway_callout, 0); 196 callout_init(&sc->sc_tick_callout, 0); 197 198 /* 199 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 200 */ 201 202 /* 203 * Setup the transmit threshold table. 204 */ 205 switch (sc->sc_chip) { 206 case TULIP_CHIP_DE425: 207 case TULIP_CHIP_21040: 208 case TULIP_CHIP_21041: 209 sc->sc_txth = tlp_10_txthresh_tab; 210 break; 211 212 case TULIP_CHIP_DM9102: 213 case TULIP_CHIP_DM9102A: 214 sc->sc_txth = tlp_dm9102_txthresh_tab; 215 break; 216 217 default: 218 sc->sc_txth = tlp_10_100_txthresh_tab; 219 break; 220 } 221 222 /* 223 * Setup the filter setup function. 224 */ 225 switch (sc->sc_chip) { 226 case TULIP_CHIP_WB89C840F: 227 sc->sc_filter_setup = tlp_winb_filter_setup; 228 break; 229 230 case TULIP_CHIP_AL981: 231 case TULIP_CHIP_AN983: 232 case TULIP_CHIP_AN985: 233 sc->sc_filter_setup = tlp_al981_filter_setup; 234 break; 235 236 case TULIP_CHIP_AX88140: 237 case TULIP_CHIP_AX88141: 238 sc->sc_filter_setup = tlp_asix_filter_setup; 239 break; 240 241 default: 242 sc->sc_filter_setup = tlp_filter_setup; 243 break; 244 } 245 246 /* 247 * Set up the media status change function. 248 */ 249 switch (sc->sc_chip) { 250 case TULIP_CHIP_WB89C840F: 251 sc->sc_statchg = tlp_winb_mii_statchg; 252 break; 253 254 case TULIP_CHIP_DM9102: 255 case TULIP_CHIP_DM9102A: 256 sc->sc_statchg = tlp_dm9102_mii_statchg; 257 break; 258 259 default: 260 /* 261 * We may override this if we have special media 262 * handling requirements (e.g. flipping GPIO pins). 263 * 264 * The pure-MII statchg function covers the basics. 265 */ 266 sc->sc_statchg = tlp_mii_statchg; 267 break; 268 } 269 270 /* 271 * Default to no FS|LS in setup packet descriptors. They're 272 * supposed to be zero according to the 21040 and 21143 273 * manuals, and some chips fall over badly if they're 274 * included. Yet, other chips seem to require them. Sigh. 275 */ 276 switch (sc->sc_chip) { 277 case TULIP_CHIP_X3201_3: 278 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 279 break; 280 281 default: 282 sc->sc_setup_fsls = 0; 283 } 284 285 /* 286 * Set up various chip-specific quirks. 287 * 288 * Note that wherever we can, we use the "ring" option for 289 * transmit and receive descriptors. This is because some 290 * clone chips apparently have problems when using chaining, 291 * although some *only* support chaining. 292 * 293 * What we do is always program the "next" pointer, and then 294 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 295 * appropriate places. 296 */ 297 switch (sc->sc_chip) { 298 case TULIP_CHIP_21140: 299 case TULIP_CHIP_21140A: 300 case TULIP_CHIP_21142: 301 case TULIP_CHIP_21143: 302 case TULIP_CHIP_82C115: /* 21143-like */ 303 case TULIP_CHIP_MX98713: /* 21140-like */ 304 case TULIP_CHIP_MX98713A: /* 21143-like */ 305 case TULIP_CHIP_MX98715: /* 21143-like */ 306 case TULIP_CHIP_MX98715A: /* 21143-like */ 307 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 308 case TULIP_CHIP_MX98725: /* 21143-like */ 309 case TULIP_CHIP_RS7112: /* 21143-like */ 310 /* 311 * Run these chips in ring mode. 312 */ 313 sc->sc_tdctl_ch = 0; 314 sc->sc_tdctl_er = TDCTL_ER; 315 sc->sc_preinit = tlp_2114x_preinit; 316 break; 317 318 case TULIP_CHIP_82C168: 319 case TULIP_CHIP_82C169: 320 /* 321 * Run these chips in ring mode. 322 */ 323 sc->sc_tdctl_ch = 0; 324 sc->sc_tdctl_er = TDCTL_ER; 325 sc->sc_preinit = tlp_pnic_preinit; 326 327 /* 328 * These chips seem to have busted DMA engines; just put them 329 * in Store-and-Forward mode from the get-go. 330 */ 331 sc->sc_txthresh = TXTH_SF; 332 break; 333 334 case TULIP_CHIP_WB89C840F: 335 /* 336 * Run this chip in chained mode. 337 */ 338 sc->sc_tdctl_ch = TDCTL_CH; 339 sc->sc_tdctl_er = 0; 340 sc->sc_flags |= TULIPF_IC_FS; 341 break; 342 343 case TULIP_CHIP_DM9102: 344 case TULIP_CHIP_DM9102A: 345 /* 346 * Run these chips in chained mode. 347 */ 348 sc->sc_tdctl_ch = TDCTL_CH; 349 sc->sc_tdctl_er = 0; 350 sc->sc_preinit = tlp_dm9102_preinit; 351 352 /* 353 * These chips have a broken bus interface, so we 354 * can't use any optimized bus commands. For this 355 * reason, we tend to underrun pretty quickly, so 356 * just to Store-and-Forward mode from the get-go. 357 */ 358 sc->sc_txthresh = TXTH_DM9102_SF; 359 break; 360 361 case TULIP_CHIP_AX88140: 362 case TULIP_CHIP_AX88141: 363 /* 364 * Run these chips in ring mode. 365 */ 366 sc->sc_tdctl_ch = 0; 367 sc->sc_tdctl_er = TDCTL_ER; 368 sc->sc_preinit = tlp_asix_preinit; 369 break; 370 371 default: 372 /* 373 * Default to running in ring mode. 374 */ 375 sc->sc_tdctl_ch = 0; 376 sc->sc_tdctl_er = TDCTL_ER; 377 } 378 379 /* 380 * Set up the MII bit-bang operations. 381 */ 382 switch (sc->sc_chip) { 383 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 384 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 385 break; 386 387 default: 388 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 389 } 390 391 SIMPLEQ_INIT(&sc->sc_txfreeq); 392 SIMPLEQ_INIT(&sc->sc_txdirtyq); 393 394 /* 395 * Allocate the control data structures, and create and load the 396 * DMA map for it. 397 */ 398 if ((error = bus_dmamem_alloc(sc->sc_dmat, 399 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 400 1, &sc->sc_cdnseg, 0)) != 0) { 401 aprint_error_dev(&sc->sc_dev, "unable to allocate control data, error = %d\n", 402 error); 403 goto fail_0; 404 } 405 406 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 407 sizeof(struct tulip_control_data), (void **)&sc->sc_control_data, 408 BUS_DMA_COHERENT)) != 0) { 409 aprint_error_dev(&sc->sc_dev, "unable to map control data, error = %d\n", 410 error); 411 goto fail_1; 412 } 413 414 if ((error = bus_dmamap_create(sc->sc_dmat, 415 sizeof(struct tulip_control_data), 1, 416 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 417 aprint_error_dev(&sc->sc_dev, "unable to create control data DMA map, " 418 "error = %d\n", error); 419 goto fail_2; 420 } 421 422 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 423 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 424 0)) != 0) { 425 aprint_error_dev(&sc->sc_dev, "unable to load control data DMA map, error = %d\n", 426 error); 427 goto fail_3; 428 } 429 430 /* 431 * Create the transmit buffer DMA maps. 432 * 433 * Note that on the Xircom clone, transmit buffers must be 434 * 4-byte aligned. We're almost guaranteed to have to copy 435 * the packet in that case, so we just limit ourselves to 436 * one segment. 437 * 438 * On the DM9102, the transmit logic can only handle one 439 * DMA segment. 440 */ 441 switch (sc->sc_chip) { 442 case TULIP_CHIP_X3201_3: 443 case TULIP_CHIP_DM9102: 444 case TULIP_CHIP_DM9102A: 445 case TULIP_CHIP_AX88140: 446 case TULIP_CHIP_AX88141: 447 sc->sc_ntxsegs = 1; 448 break; 449 450 default: 451 sc->sc_ntxsegs = TULIP_NTXSEGS; 452 } 453 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 454 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 455 sc->sc_ntxsegs, MCLBYTES, 0, 0, 456 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 457 aprint_error_dev(&sc->sc_dev, "unable to create tx DMA map %d, " 458 "error = %d\n", i, error); 459 goto fail_4; 460 } 461 } 462 463 /* 464 * Create the receive buffer DMA maps. 465 */ 466 for (i = 0; i < TULIP_NRXDESC; i++) { 467 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 468 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 469 aprint_error_dev(&sc->sc_dev, "unable to create rx DMA map %d, " 470 "error = %d\n", i, error); 471 goto fail_5; 472 } 473 sc->sc_rxsoft[i].rxs_mbuf = NULL; 474 } 475 476 /* 477 * From this point forward, the attachment cannot fail. A failure 478 * before this point releases all resources that may have been 479 * allocated. 480 */ 481 sc->sc_flags |= TULIPF_ATTACHED; 482 483 /* 484 * Reset the chip to a known state. 485 */ 486 tlp_reset(sc); 487 488 /* Announce ourselves. */ 489 printf("%s: %s%sEthernet address %s\n", device_xname(&sc->sc_dev), 490 sc->sc_name[0] != '\0' ? sc->sc_name : "", 491 sc->sc_name[0] != '\0' ? ", " : "", 492 ether_sprintf(enaddr)); 493 494 /* 495 * Check to see if we're the simulated Ethernet on Connectix 496 * Virtual PC. 497 */ 498 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) 499 sc->sc_flags |= TULIPF_VPC; 500 501 /* 502 * Initialize our media structures. This may probe the MII, if 503 * present. 504 */ 505 (*sc->sc_mediasw->tmsw_init)(sc); 506 507 strlcpy(ifp->if_xname, device_xname(&sc->sc_dev), IFNAMSIZ); 508 ifp->if_softc = sc; 509 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 510 sc->sc_if_flags = ifp->if_flags; 511 ifp->if_ioctl = tlp_ioctl; 512 ifp->if_start = tlp_start; 513 ifp->if_watchdog = tlp_watchdog; 514 ifp->if_init = tlp_init; 515 ifp->if_stop = tlp_stop; 516 IFQ_SET_READY(&ifp->if_snd); 517 518 /* 519 * We can support 802.1Q VLAN-sized frames. 520 */ 521 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 522 523 /* 524 * Attach the interface. 525 */ 526 if_attach(ifp); 527 ether_ifattach(ifp, enaddr); 528 #if NRND > 0 529 rnd_attach_source(&sc->sc_rnd_source, device_xname(&sc->sc_dev), 530 RND_TYPE_NET, 0); 531 #endif 532 533 if (!pmf_device_register(self, NULL, NULL)) 534 aprint_error_dev(self, "couldn't establish power handler\n"); 535 else 536 pmf_class_network_register(self, ifp); 537 538 return; 539 540 /* 541 * Free any resources we've allocated during the failed attach 542 * attempt. Do this in reverse order and fall through. 543 */ 544 fail_5: 545 for (i = 0; i < TULIP_NRXDESC; i++) { 546 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 547 bus_dmamap_destroy(sc->sc_dmat, 548 sc->sc_rxsoft[i].rxs_dmamap); 549 } 550 fail_4: 551 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 552 if (sc->sc_txsoft[i].txs_dmamap != NULL) 553 bus_dmamap_destroy(sc->sc_dmat, 554 sc->sc_txsoft[i].txs_dmamap); 555 } 556 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 557 fail_3: 558 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 559 fail_2: 560 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 561 sizeof(struct tulip_control_data)); 562 fail_1: 563 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 564 fail_0: 565 return; 566 } 567 568 /* 569 * tlp_activate: 570 * 571 * Handle device activation/deactivation requests. 572 */ 573 int 574 tlp_activate(struct device *self, enum devact act) 575 { 576 struct tulip_softc *sc = (void *) self; 577 int s, error = 0; 578 579 s = splnet(); 580 switch (act) { 581 case DVACT_ACTIVATE: 582 error = EOPNOTSUPP; 583 break; 584 585 case DVACT_DEACTIVATE: 586 if (sc->sc_flags & TULIPF_HAS_MII) 587 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 588 MII_OFFSET_ANY); 589 if_deactivate(&sc->sc_ethercom.ec_if); 590 break; 591 } 592 splx(s); 593 594 return (error); 595 } 596 597 /* 598 * tlp_detach: 599 * 600 * Detach a Tulip interface. 601 */ 602 int 603 tlp_detach(struct tulip_softc *sc) 604 { 605 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 606 struct tulip_rxsoft *rxs; 607 struct tulip_txsoft *txs; 608 device_t self = &sc->sc_dev; 609 int i; 610 611 /* 612 * Succeed now if there isn't any work to do. 613 */ 614 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 615 return (0); 616 617 /* Unhook our tick handler. */ 618 if (sc->sc_tick) 619 callout_stop(&sc->sc_tick_callout); 620 621 if (sc->sc_flags & TULIPF_HAS_MII) { 622 /* Detach all PHYs */ 623 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 624 } 625 626 /* Delete all remaining media. */ 627 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 628 629 #if NRND > 0 630 rnd_detach_source(&sc->sc_rnd_source); 631 #endif 632 ether_ifdetach(ifp); 633 if_detach(ifp); 634 635 for (i = 0; i < TULIP_NRXDESC; i++) { 636 rxs = &sc->sc_rxsoft[i]; 637 if (rxs->rxs_mbuf != NULL) { 638 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 639 m_freem(rxs->rxs_mbuf); 640 rxs->rxs_mbuf = NULL; 641 } 642 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 643 } 644 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 645 txs = &sc->sc_txsoft[i]; 646 if (txs->txs_mbuf != NULL) { 647 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 648 m_freem(txs->txs_mbuf); 649 txs->txs_mbuf = NULL; 650 } 651 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 652 } 653 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 654 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 655 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 656 sizeof(struct tulip_control_data)); 657 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 658 659 pmf_device_deregister(self); 660 661 if (sc->sc_srom) 662 free(sc->sc_srom, M_DEVBUF); 663 664 return (0); 665 } 666 667 /* 668 * tlp_start: [ifnet interface function] 669 * 670 * Start packet transmission on the interface. 671 */ 672 static void 673 tlp_start(struct ifnet *ifp) 674 { 675 struct tulip_softc *sc = ifp->if_softc; 676 struct mbuf *m0, *m; 677 struct tulip_txsoft *txs, *last_txs = NULL; 678 bus_dmamap_t dmamap; 679 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 680 681 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 682 device_xname(&sc->sc_dev), sc->sc_flags, ifp->if_flags)); 683 684 /* 685 * If we want a filter setup, it means no more descriptors were 686 * available for the setup routine. Let it get a chance to wedge 687 * itself into the ring. 688 */ 689 if (sc->sc_flags & TULIPF_WANT_SETUP) 690 ifp->if_flags |= IFF_OACTIVE; 691 692 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 693 return; 694 695 if (sc->sc_tick == tlp_2114x_nway_tick && 696 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 697 return; 698 699 /* 700 * Remember the previous number of free descriptors and 701 * the first descriptor we'll use. 702 */ 703 ofree = sc->sc_txfree; 704 firsttx = sc->sc_txnext; 705 706 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 707 device_xname(&sc->sc_dev), ofree, firsttx)); 708 709 /* 710 * Loop through the send queue, setting up transmit descriptors 711 * until we drain the queue, or use up all available transmit 712 * descriptors. 713 */ 714 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 715 sc->sc_txfree != 0) { 716 /* 717 * Grab a packet off the queue. 718 */ 719 IFQ_POLL(&ifp->if_snd, m0); 720 if (m0 == NULL) 721 break; 722 m = NULL; 723 724 dmamap = txs->txs_dmamap; 725 726 /* 727 * Load the DMA map. If this fails, the packet either 728 * didn't fit in the alloted number of segments, or we were 729 * short on resources. In this case, we'll copy and try 730 * again. 731 * 732 * Note that if we're only allowed 1 Tx segment, we 733 * have an alignment restriction. Do this test before 734 * attempting to load the DMA map, because it's more 735 * likely we'll trip the alignment test than the 736 * more-than-one-segment test. 737 */ 738 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 739 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 740 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 741 MGETHDR(m, M_DONTWAIT, MT_DATA); 742 if (m == NULL) { 743 aprint_error_dev(&sc->sc_dev, "unable to allocate Tx mbuf\n"); 744 break; 745 } 746 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 747 if (m0->m_pkthdr.len > MHLEN) { 748 MCLGET(m, M_DONTWAIT); 749 if ((m->m_flags & M_EXT) == 0) { 750 printf("%s: unable to allocate Tx " 751 "cluster\n", device_xname(&sc->sc_dev)); 752 m_freem(m); 753 break; 754 } 755 } 756 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *)); 757 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 758 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 759 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 760 if (error) { 761 printf("%s: unable to load Tx buffer, " 762 "error = %d\n", device_xname(&sc->sc_dev), error); 763 break; 764 } 765 } 766 767 /* 768 * Ensure we have enough descriptors free to describe 769 * the packet. 770 */ 771 if (dmamap->dm_nsegs > sc->sc_txfree) { 772 /* 773 * Not enough free descriptors to transmit this 774 * packet. We haven't committed to anything yet, 775 * so just unload the DMA map, put the packet 776 * back on the queue, and punt. Notify the upper 777 * layer that there are no more slots left. 778 * 779 * XXX We could allocate an mbuf and copy, but 780 * XXX it is worth it? 781 */ 782 ifp->if_flags |= IFF_OACTIVE; 783 bus_dmamap_unload(sc->sc_dmat, dmamap); 784 if (m != NULL) 785 m_freem(m); 786 break; 787 } 788 789 IFQ_DEQUEUE(&ifp->if_snd, m0); 790 if (m != NULL) { 791 m_freem(m0); 792 m0 = m; 793 } 794 795 /* 796 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 797 */ 798 799 /* Sync the DMA map. */ 800 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 801 BUS_DMASYNC_PREWRITE); 802 803 /* 804 * Initialize the transmit descriptors. 805 */ 806 for (nexttx = sc->sc_txnext, seg = 0; 807 seg < dmamap->dm_nsegs; 808 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 809 /* 810 * If this is the first descriptor we're 811 * enqueueing, don't set the OWN bit just 812 * yet. That could cause a race condition. 813 * We'll do it below. 814 */ 815 sc->sc_txdescs[nexttx].td_status = 816 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 817 sc->sc_txdescs[nexttx].td_bufaddr1 = 818 htole32(dmamap->dm_segs[seg].ds_addr); 819 sc->sc_txdescs[nexttx].td_ctl = 820 htole32((dmamap->dm_segs[seg].ds_len << 821 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 822 (nexttx == (TULIP_NTXDESC - 1) ? 823 sc->sc_tdctl_er : 0)); 824 lasttx = nexttx; 825 } 826 827 KASSERT(lasttx != -1); 828 829 /* Set `first segment' and `last segment' appropriately. */ 830 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 831 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 832 833 #ifdef TLP_DEBUG 834 if (ifp->if_flags & IFF_DEBUG) { 835 printf(" txsoft %p transmit chain:\n", txs); 836 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 837 printf(" descriptor %d:\n", seg); 838 printf(" td_status: 0x%08x\n", 839 le32toh(sc->sc_txdescs[seg].td_status)); 840 printf(" td_ctl: 0x%08x\n", 841 le32toh(sc->sc_txdescs[seg].td_ctl)); 842 printf(" td_bufaddr1: 0x%08x\n", 843 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 844 printf(" td_bufaddr2: 0x%08x\n", 845 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 846 if (seg == lasttx) 847 break; 848 } 849 } 850 #endif 851 852 /* Sync the descriptors we're using. */ 853 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 854 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 855 856 /* 857 * Store a pointer to the packet so we can free it later, 858 * and remember what txdirty will be once the packet is 859 * done. 860 */ 861 txs->txs_mbuf = m0; 862 txs->txs_firstdesc = sc->sc_txnext; 863 txs->txs_lastdesc = lasttx; 864 txs->txs_ndescs = dmamap->dm_nsegs; 865 866 /* Advance the tx pointer. */ 867 sc->sc_txfree -= dmamap->dm_nsegs; 868 sc->sc_txnext = nexttx; 869 870 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 871 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 872 873 last_txs = txs; 874 875 #if NBPFILTER > 0 876 /* 877 * Pass the packet to any BPF listeners. 878 */ 879 if (ifp->if_bpf) 880 bpf_mtap(ifp->if_bpf, m0); 881 #endif /* NBPFILTER > 0 */ 882 } 883 884 if (txs == NULL || sc->sc_txfree == 0) { 885 /* No more slots left; notify upper layer. */ 886 ifp->if_flags |= IFF_OACTIVE; 887 } 888 889 if (sc->sc_txfree != ofree) { 890 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 891 device_xname(&sc->sc_dev), lasttx, firsttx)); 892 /* 893 * Cause a transmit interrupt to happen on the 894 * last packet we enqueued. 895 */ 896 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 897 TULIP_CDTXSYNC(sc, lasttx, 1, 898 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 899 900 /* 901 * Some clone chips want IC on the *first* segment in 902 * the packet. Appease them. 903 */ 904 KASSERT(last_txs != NULL); 905 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 906 last_txs->txs_firstdesc != lasttx) { 907 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 908 htole32(TDCTL_Tx_IC); 909 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 910 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 911 } 912 913 /* 914 * The entire packet chain is set up. Give the 915 * first descriptor to the chip now. 916 */ 917 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 918 TULIP_CDTXSYNC(sc, firsttx, 1, 919 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 920 921 /* Wake up the transmitter. */ 922 /* XXX USE AUTOPOLLING? */ 923 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 924 925 /* Set a watchdog timer in case the chip flakes out. */ 926 ifp->if_timer = 5; 927 } 928 } 929 930 /* 931 * tlp_watchdog: [ifnet interface function] 932 * 933 * Watchdog timer handler. 934 */ 935 static void 936 tlp_watchdog(struct ifnet *ifp) 937 { 938 struct tulip_softc *sc = ifp->if_softc; 939 int doing_setup, doing_transmit; 940 941 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 942 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 943 944 if (doing_setup && doing_transmit) { 945 printf("%s: filter setup and transmit timeout\n", device_xname(&sc->sc_dev)); 946 ifp->if_oerrors++; 947 } else if (doing_transmit) { 948 printf("%s: transmit timeout\n", device_xname(&sc->sc_dev)); 949 ifp->if_oerrors++; 950 } else if (doing_setup) 951 printf("%s: filter setup timeout\n", device_xname(&sc->sc_dev)); 952 else 953 printf("%s: spurious watchdog timeout\n", device_xname(&sc->sc_dev)); 954 955 (void) tlp_init(ifp); 956 957 /* Try to get more packets going. */ 958 tlp_start(ifp); 959 } 960 961 /* 962 * tlp_ioctl: [ifnet interface function] 963 * 964 * Handle control requests from the operator. 965 */ 966 static int 967 tlp_ioctl(struct ifnet *ifp, u_long cmd, void *data) 968 { 969 struct tulip_softc *sc = ifp->if_softc; 970 struct ifreq *ifr = (struct ifreq *)data; 971 int s, error; 972 973 s = splnet(); 974 975 switch (cmd) { 976 case SIOCSIFMEDIA: 977 case SIOCGIFMEDIA: 978 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 979 break; 980 case SIOCSIFFLAGS: 981 /* If the interface is up and running, only modify the receive 982 * filter when setting promiscuous or debug mode. Otherwise 983 * fall through to ether_ioctl, which will reset the chip. 984 */ 985 #define RESETIGN (IFF_CANTCHANGE|IFF_DEBUG) 986 if (((ifp->if_flags & (IFF_UP|IFF_RUNNING)) 987 == (IFF_UP|IFF_RUNNING)) 988 && ((ifp->if_flags & (~RESETIGN)) 989 == (sc->sc_if_flags & (~RESETIGN)))) { 990 /* Set up the receive filter. */ 991 (*sc->sc_filter_setup)(sc); 992 error = 0; 993 break; 994 #undef RESETIGN 995 } 996 /* FALLTHROUGH */ 997 default: 998 error = ether_ioctl(ifp, cmd, data); 999 if (error == ENETRESET) { 1000 if (ifp->if_flags & IFF_RUNNING) { 1001 /* 1002 * Multicast list has changed. Set the 1003 * hardware filter accordingly. 1004 */ 1005 (*sc->sc_filter_setup)(sc); 1006 } 1007 error = 0; 1008 } 1009 break; 1010 } 1011 1012 /* Try to get more packets going. */ 1013 if (TULIP_IS_ENABLED(sc)) 1014 tlp_start(ifp); 1015 1016 sc->sc_if_flags = ifp->if_flags; 1017 splx(s); 1018 return (error); 1019 } 1020 1021 /* 1022 * tlp_intr: 1023 * 1024 * Interrupt service routine. 1025 */ 1026 int 1027 tlp_intr(void *arg) 1028 { 1029 struct tulip_softc *sc = arg; 1030 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1031 u_int32_t status, rxstatus, txstatus; 1032 int handled = 0, txthresh; 1033 1034 DPRINTF(sc, ("%s: tlp_intr\n", device_xname(&sc->sc_dev))); 1035 1036 #ifdef DEBUG 1037 if (TULIP_IS_ENABLED(sc) == 0) 1038 panic("%s: tlp_intr: not enabled", device_xname(&sc->sc_dev)); 1039 #endif 1040 1041 /* 1042 * If the interface isn't running, the interrupt couldn't 1043 * possibly have come from us. 1044 */ 1045 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1046 !device_is_active(&sc->sc_dev)) 1047 return (0); 1048 1049 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1050 switch (sc->sc_chip) { 1051 case TULIP_CHIP_DM9102: 1052 case TULIP_CHIP_DM9102A: 1053 TULIP_WRITE(sc, CSR_INTEN, 0); 1054 break; 1055 1056 default: 1057 /* Nothing. */ 1058 break; 1059 } 1060 1061 for (;;) { 1062 status = TULIP_READ(sc, CSR_STATUS); 1063 if (status) 1064 TULIP_WRITE(sc, CSR_STATUS, status); 1065 1066 if ((status & sc->sc_inten) == 0) 1067 break; 1068 1069 handled = 1; 1070 1071 rxstatus = status & sc->sc_rxint_mask; 1072 txstatus = status & sc->sc_txint_mask; 1073 1074 if (rxstatus) { 1075 /* Grab new any new packets. */ 1076 tlp_rxintr(sc); 1077 1078 if (rxstatus & STATUS_RWT) 1079 printf("%s: receive watchdog timeout\n", 1080 device_xname(&sc->sc_dev)); 1081 1082 if (rxstatus & STATUS_RU) { 1083 printf("%s: receive ring overrun\n", 1084 device_xname(&sc->sc_dev)); 1085 /* Get the receive process going again. */ 1086 if (sc->sc_tdctl_er != TDCTL_ER) { 1087 tlp_idle(sc, OPMODE_SR); 1088 TULIP_WRITE(sc, CSR_RXLIST, 1089 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1090 TULIP_WRITE(sc, CSR_OPMODE, 1091 sc->sc_opmode); 1092 } 1093 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1094 break; 1095 } 1096 } 1097 1098 if (txstatus) { 1099 /* Sweep up transmit descriptors. */ 1100 tlp_txintr(sc); 1101 1102 if (txstatus & STATUS_TJT) 1103 printf("%s: transmit jabber timeout\n", 1104 device_xname(&sc->sc_dev)); 1105 1106 if (txstatus & STATUS_UNF) { 1107 /* 1108 * Increase our transmit threshold if 1109 * another is available. 1110 */ 1111 txthresh = sc->sc_txthresh + 1; 1112 if (sc->sc_txth[txthresh].txth_name != NULL) { 1113 /* Idle the transmit process. */ 1114 tlp_idle(sc, OPMODE_ST); 1115 1116 sc->sc_txthresh = txthresh; 1117 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1118 sc->sc_opmode |= 1119 sc->sc_txth[txthresh].txth_opmode; 1120 printf("%s: transmit underrun; new " 1121 "threshold: %s\n", 1122 device_xname(&sc->sc_dev), 1123 sc->sc_txth[txthresh].txth_name); 1124 1125 /* 1126 * Set the new threshold and restart 1127 * the transmit process. 1128 */ 1129 TULIP_WRITE(sc, CSR_OPMODE, 1130 sc->sc_opmode); 1131 } 1132 /* 1133 * XXX Log every Nth underrun from 1134 * XXX now on? 1135 */ 1136 } 1137 } 1138 1139 if (status & (STATUS_TPS|STATUS_RPS)) { 1140 if (status & STATUS_TPS) 1141 printf("%s: transmit process stopped\n", 1142 device_xname(&sc->sc_dev)); 1143 if (status & STATUS_RPS) 1144 printf("%s: receive process stopped\n", 1145 device_xname(&sc->sc_dev)); 1146 (void) tlp_init(ifp); 1147 break; 1148 } 1149 1150 if (status & STATUS_SE) { 1151 const char *str; 1152 switch (status & STATUS_EB) { 1153 case STATUS_EB_PARITY: 1154 str = "parity error"; 1155 break; 1156 1157 case STATUS_EB_MABT: 1158 str = "master abort"; 1159 break; 1160 1161 case STATUS_EB_TABT: 1162 str = "target abort"; 1163 break; 1164 1165 default: 1166 str = "unknown error"; 1167 break; 1168 } 1169 aprint_error_dev(&sc->sc_dev, "fatal system error: %s\n", 1170 str); 1171 (void) tlp_init(ifp); 1172 break; 1173 } 1174 1175 /* 1176 * Not handled: 1177 * 1178 * Transmit buffer unavailable -- normal 1179 * condition, nothing to do, really. 1180 * 1181 * General purpose timer experied -- we don't 1182 * use the general purpose timer. 1183 * 1184 * Early receive interrupt -- not available on 1185 * all chips, we just use RI. We also only 1186 * use single-segment receive DMA, so this 1187 * is mostly useless. 1188 */ 1189 } 1190 1191 /* Bring interrupts back up on the DM9102. */ 1192 switch (sc->sc_chip) { 1193 case TULIP_CHIP_DM9102: 1194 case TULIP_CHIP_DM9102A: 1195 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1196 break; 1197 1198 default: 1199 /* Nothing. */ 1200 break; 1201 } 1202 1203 /* Try to get more packets going. */ 1204 tlp_start(ifp); 1205 1206 #if NRND > 0 1207 if (handled) 1208 rnd_add_uint32(&sc->sc_rnd_source, status); 1209 #endif 1210 return (handled); 1211 } 1212 1213 /* 1214 * tlp_rxintr: 1215 * 1216 * Helper; handle receive interrupts. 1217 */ 1218 static void 1219 tlp_rxintr(struct tulip_softc *sc) 1220 { 1221 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1222 struct ether_header *eh; 1223 struct tulip_rxsoft *rxs; 1224 struct mbuf *m; 1225 u_int32_t rxstat, errors; 1226 int i, len; 1227 1228 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1229 rxs = &sc->sc_rxsoft[i]; 1230 1231 TULIP_CDRXSYNC(sc, i, 1232 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1233 1234 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1235 1236 if (rxstat & TDSTAT_OWN) { 1237 /* 1238 * We have processed all of the receive buffers. 1239 */ 1240 break; 1241 } 1242 1243 /* 1244 * Make sure the packet fit in one buffer. This should 1245 * always be the case. But the Lite-On PNIC, rev 33 1246 * has an awful receive engine bug, which may require 1247 * a very icky work-around. 1248 */ 1249 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1250 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1251 printf("%s: incoming packet spilled, resetting\n", 1252 device_xname(&sc->sc_dev)); 1253 (void) tlp_init(ifp); 1254 return; 1255 } 1256 1257 /* 1258 * If any collisions were seen on the wire, count one. 1259 */ 1260 if (rxstat & TDSTAT_Rx_CS) 1261 ifp->if_collisions++; 1262 1263 /* 1264 * If an error occurred, update stats, clear the status 1265 * word, and leave the packet buffer in place. It will 1266 * simply be reused the next time the ring comes around. 1267 */ 1268 errors = TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_TL | 1269 TDSTAT_Rx_CS | TDSTAT_Rx_RE | TDSTAT_Rx_DB | TDSTAT_Rx_CE; 1270 /* 1271 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1272 * error. 1273 */ 1274 if ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) != 0) 1275 errors &= ~TDSTAT_Rx_TL; 1276 /* 1277 * If chip doesn't have MII, ignore the MII error bit. 1278 */ 1279 if ((sc->sc_flags & TULIPF_HAS_MII) == 0) 1280 errors &= ~TDSTAT_Rx_RE; 1281 1282 if ((rxstat & TDSTAT_ES) != 0 && 1283 (rxstat & errors) != 0) { 1284 rxstat &= errors; 1285 #define PRINTERR(bit, str) \ 1286 if (rxstat & (bit)) \ 1287 aprint_error_dev(&sc->sc_dev, "receive error: %s\n", \ 1288 str) 1289 ifp->if_ierrors++; 1290 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1291 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1292 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1293 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1294 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1295 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1296 #undef PRINTERR 1297 TULIP_INIT_RXDESC(sc, i); 1298 continue; 1299 } 1300 1301 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1302 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1303 1304 /* 1305 * No errors; receive the packet. Note the Tulip 1306 * includes the CRC with every packet. 1307 */ 1308 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1309 1310 #ifdef __NO_STRICT_ALIGNMENT 1311 /* 1312 * Allocate a new mbuf cluster. If that fails, we are 1313 * out of memory, and must drop the packet and recycle 1314 * the buffer that's already attached to this descriptor. 1315 */ 1316 m = rxs->rxs_mbuf; 1317 if (tlp_add_rxbuf(sc, i) != 0) { 1318 ifp->if_ierrors++; 1319 TULIP_INIT_RXDESC(sc, i); 1320 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1321 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1322 continue; 1323 } 1324 #else 1325 /* 1326 * The Tulip's receive buffers must be 4-byte aligned. 1327 * But this means that the data after the Ethernet header 1328 * is misaligned. We must allocate a new buffer and 1329 * copy the data, shifted forward 2 bytes. 1330 */ 1331 MGETHDR(m, M_DONTWAIT, MT_DATA); 1332 if (m == NULL) { 1333 dropit: 1334 ifp->if_ierrors++; 1335 TULIP_INIT_RXDESC(sc, i); 1336 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1337 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1338 continue; 1339 } 1340 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1341 if (len > (MHLEN - 2)) { 1342 MCLGET(m, M_DONTWAIT); 1343 if ((m->m_flags & M_EXT) == 0) { 1344 m_freem(m); 1345 goto dropit; 1346 } 1347 } 1348 m->m_data += 2; 1349 1350 /* 1351 * Note that we use clusters for incoming frames, so the 1352 * buffer is virtually contiguous. 1353 */ 1354 memcpy(mtod(m, void *), mtod(rxs->rxs_mbuf, void *), len); 1355 1356 /* Allow the receive descriptor to continue using its mbuf. */ 1357 TULIP_INIT_RXDESC(sc, i); 1358 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1359 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1360 #endif /* __NO_STRICT_ALIGNMENT */ 1361 1362 ifp->if_ipackets++; 1363 eh = mtod(m, struct ether_header *); 1364 m->m_pkthdr.rcvif = ifp; 1365 m->m_pkthdr.len = m->m_len = len; 1366 1367 /* 1368 * XXX Work-around for a weird problem with the emulated 1369 * 21041 on Connectix Virtual PC: 1370 * 1371 * When we receive a full-size TCP segment, we seem to get 1372 * a packet there the Rx status says 1522 bytes, yet we do 1373 * not get a frame-too-long error from the chip. The extra 1374 * bytes seem to always be zeros. Perhaps Virtual PC is 1375 * inserting 4 bytes of zeros after every packet. In any 1376 * case, let's try and detect this condition and truncate 1377 * the length so that it will pass up the stack. 1378 */ 1379 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1380 uint16_t etype = ntohs(eh->ether_type); 1381 1382 if (len > ETHER_MAX_FRAME(ifp, etype, 0)) 1383 m->m_pkthdr.len = m->m_len = len = 1384 ETHER_MAX_FRAME(ifp, etype, 0); 1385 } 1386 1387 #if NBPFILTER > 0 1388 /* 1389 * Pass this up to any BPF listeners, but only 1390 * pass it up the stack if it's for us. 1391 */ 1392 if (ifp->if_bpf) 1393 bpf_mtap(ifp->if_bpf, m); 1394 #endif /* NBPFILTER > 0 */ 1395 1396 /* 1397 * We sometimes have to run the 21140 in Hash-Only 1398 * mode. If we're in that mode, and not in promiscuous 1399 * mode, and we have a unicast packet that isn't for 1400 * us, then drop it. 1401 */ 1402 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1403 (ifp->if_flags & IFF_PROMISC) == 0 && 1404 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1405 memcmp(CLLADDR(ifp->if_sadl), eh->ether_dhost, 1406 ETHER_ADDR_LEN) != 0) { 1407 m_freem(m); 1408 continue; 1409 } 1410 1411 /* Pass it on. */ 1412 (*ifp->if_input)(ifp, m); 1413 } 1414 1415 /* Update the receive pointer. */ 1416 sc->sc_rxptr = i; 1417 } 1418 1419 /* 1420 * tlp_txintr: 1421 * 1422 * Helper; handle transmit interrupts. 1423 */ 1424 static void 1425 tlp_txintr(struct tulip_softc *sc) 1426 { 1427 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1428 struct tulip_txsoft *txs; 1429 u_int32_t txstat; 1430 1431 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1432 device_xname(&sc->sc_dev), sc->sc_flags)); 1433 1434 ifp->if_flags &= ~IFF_OACTIVE; 1435 1436 /* 1437 * Go through our Tx list and free mbufs for those 1438 * frames that have been transmitted. 1439 */ 1440 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1441 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1442 txs->txs_ndescs, 1443 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1444 1445 #ifdef TLP_DEBUG 1446 if (ifp->if_flags & IFF_DEBUG) { 1447 int i; 1448 printf(" txsoft %p transmit chain:\n", txs); 1449 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1450 printf(" descriptor %d:\n", i); 1451 printf(" td_status: 0x%08x\n", 1452 le32toh(sc->sc_txdescs[i].td_status)); 1453 printf(" td_ctl: 0x%08x\n", 1454 le32toh(sc->sc_txdescs[i].td_ctl)); 1455 printf(" td_bufaddr1: 0x%08x\n", 1456 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1457 printf(" td_bufaddr2: 0x%08x\n", 1458 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1459 if (i == txs->txs_lastdesc) 1460 break; 1461 } 1462 } 1463 #endif 1464 1465 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1466 if (txstat & TDSTAT_OWN) 1467 break; 1468 1469 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1470 1471 sc->sc_txfree += txs->txs_ndescs; 1472 1473 if (txs->txs_mbuf == NULL) { 1474 /* 1475 * If we didn't have an mbuf, it was the setup 1476 * packet. 1477 */ 1478 #ifdef DIAGNOSTIC 1479 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1480 panic("tlp_txintr: null mbuf, not doing setup"); 1481 #endif 1482 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1483 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1484 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1485 continue; 1486 } 1487 1488 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1489 0, txs->txs_dmamap->dm_mapsize, 1490 BUS_DMASYNC_POSTWRITE); 1491 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1492 m_freem(txs->txs_mbuf); 1493 txs->txs_mbuf = NULL; 1494 1495 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1496 1497 /* 1498 * Check for errors and collisions. 1499 */ 1500 #ifdef TLP_STATS 1501 if (txstat & TDSTAT_Tx_UF) 1502 sc->sc_stats.ts_tx_uf++; 1503 if (txstat & TDSTAT_Tx_TO) 1504 sc->sc_stats.ts_tx_to++; 1505 if (txstat & TDSTAT_Tx_EC) 1506 sc->sc_stats.ts_tx_ec++; 1507 if (txstat & TDSTAT_Tx_LC) 1508 sc->sc_stats.ts_tx_lc++; 1509 #endif 1510 1511 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1512 ifp->if_oerrors++; 1513 1514 if (txstat & TDSTAT_Tx_EC) 1515 ifp->if_collisions += 16; 1516 else 1517 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1518 if (txstat & TDSTAT_Tx_LC) 1519 ifp->if_collisions++; 1520 1521 ifp->if_opackets++; 1522 } 1523 1524 /* 1525 * If there are no more pending transmissions, cancel the watchdog 1526 * timer. 1527 */ 1528 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1529 ifp->if_timer = 0; 1530 1531 /* 1532 * If we have a receive filter setup pending, do it now. 1533 */ 1534 if (sc->sc_flags & TULIPF_WANT_SETUP) 1535 (*sc->sc_filter_setup)(sc); 1536 } 1537 1538 #ifdef TLP_STATS 1539 void 1540 tlp_print_stats(struct tulip_softc *sc) 1541 { 1542 1543 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1544 device_xname(&sc->sc_dev), 1545 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1546 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1547 } 1548 #endif 1549 1550 /* 1551 * tlp_reset: 1552 * 1553 * Perform a soft reset on the Tulip. 1554 */ 1555 void 1556 tlp_reset(struct tulip_softc *sc) 1557 { 1558 int i; 1559 1560 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1561 1562 /* 1563 * Xircom, ASIX and Conexant clones don't bring themselves 1564 * out of reset automatically. 1565 * Instead, we have to wait at least 50 PCI cycles, and then 1566 * clear SWR. 1567 */ 1568 switch (sc->sc_chip) { 1569 case TULIP_CHIP_X3201_3: 1570 case TULIP_CHIP_AX88140: 1571 case TULIP_CHIP_AX88141: 1572 case TULIP_CHIP_RS7112: 1573 delay(10); 1574 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1575 break; 1576 default: 1577 break; 1578 } 1579 1580 for (i = 0; i < 1000; i++) { 1581 /* 1582 * Wait at least 50 PCI cycles for the reset to 1583 * complete before peeking at the Tulip again. 1584 * 10 uSec is a bit longer than 50 PCI cycles 1585 * (at 33MHz), but it doesn't hurt have the extra 1586 * wait. 1587 */ 1588 delay(10); 1589 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1590 break; 1591 } 1592 1593 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1594 aprint_error_dev(&sc->sc_dev, "reset failed to complete\n"); 1595 1596 delay(1000); 1597 1598 /* 1599 * If the board has any GPIO reset sequences to issue, do them now. 1600 */ 1601 if (sc->sc_reset != NULL) 1602 (*sc->sc_reset)(sc); 1603 } 1604 1605 /* 1606 * tlp_init: [ ifnet interface function ] 1607 * 1608 * Initialize the interface. Must be called at splnet(). 1609 */ 1610 static int 1611 tlp_init(struct ifnet *ifp) 1612 { 1613 struct tulip_softc *sc = ifp->if_softc; 1614 struct tulip_txsoft *txs; 1615 struct tulip_rxsoft *rxs; 1616 int i, error = 0; 1617 1618 if ((error = tlp_enable(sc)) != 0) 1619 goto out; 1620 1621 /* 1622 * Cancel any pending I/O. 1623 */ 1624 tlp_stop(ifp, 0); 1625 1626 /* 1627 * Initialize `opmode' to 0, and call the pre-init routine, if 1628 * any. This is required because the 2114x and some of the 1629 * clones require that the media-related bits in `opmode' be 1630 * set before performing a soft-reset in order to get internal 1631 * chip pathways are correct. Yay! 1632 */ 1633 sc->sc_opmode = 0; 1634 if (sc->sc_preinit != NULL) 1635 (*sc->sc_preinit)(sc); 1636 1637 /* 1638 * Reset the Tulip to a known state. 1639 */ 1640 tlp_reset(sc); 1641 1642 /* 1643 * Initialize the BUSMODE register. 1644 */ 1645 sc->sc_busmode = BUSMODE_BAR; 1646 switch (sc->sc_chip) { 1647 case TULIP_CHIP_21140: 1648 case TULIP_CHIP_21140A: 1649 case TULIP_CHIP_21142: 1650 case TULIP_CHIP_21143: 1651 case TULIP_CHIP_82C115: 1652 case TULIP_CHIP_MX98725: 1653 /* 1654 * If we're allowed to do so, use Memory Read Line 1655 * and Memory Read Multiple. 1656 * 1657 * XXX Should we use Memory Write and Invalidate? 1658 */ 1659 if (sc->sc_flags & TULIPF_MRL) 1660 sc->sc_busmode |= BUSMODE_RLE; 1661 if (sc->sc_flags & TULIPF_MRM) 1662 sc->sc_busmode |= BUSMODE_RME; 1663 #if 0 1664 if (sc->sc_flags & TULIPF_MWI) 1665 sc->sc_busmode |= BUSMODE_WLE; 1666 #endif 1667 break; 1668 1669 case TULIP_CHIP_82C168: 1670 case TULIP_CHIP_82C169: 1671 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1672 if (sc->sc_maxburst == 0) 1673 sc->sc_maxburst = 16; 1674 break; 1675 1676 case TULIP_CHIP_AX88140: 1677 case TULIP_CHIP_AX88141: 1678 if (sc->sc_maxburst == 0) 1679 sc->sc_maxburst = 16; 1680 break; 1681 1682 default: 1683 /* Nothing. */ 1684 break; 1685 } 1686 switch (sc->sc_cacheline) { 1687 default: 1688 /* 1689 * Note: We must *always* set these bits; a cache 1690 * alignment of 0 is RESERVED. 1691 */ 1692 case 8: 1693 sc->sc_busmode |= BUSMODE_CAL_8LW; 1694 break; 1695 case 16: 1696 sc->sc_busmode |= BUSMODE_CAL_16LW; 1697 break; 1698 case 32: 1699 sc->sc_busmode |= BUSMODE_CAL_32LW; 1700 break; 1701 } 1702 switch (sc->sc_maxburst) { 1703 case 1: 1704 sc->sc_busmode |= BUSMODE_PBL_1LW; 1705 break; 1706 case 2: 1707 sc->sc_busmode |= BUSMODE_PBL_2LW; 1708 break; 1709 case 4: 1710 sc->sc_busmode |= BUSMODE_PBL_4LW; 1711 break; 1712 case 8: 1713 sc->sc_busmode |= BUSMODE_PBL_8LW; 1714 break; 1715 case 16: 1716 sc->sc_busmode |= BUSMODE_PBL_16LW; 1717 break; 1718 case 32: 1719 sc->sc_busmode |= BUSMODE_PBL_32LW; 1720 break; 1721 default: 1722 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1723 break; 1724 } 1725 #if BYTE_ORDER == BIG_ENDIAN 1726 /* 1727 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1728 * support them, and even on ones that do, it doesn't 1729 * always work. So we always access descriptors with 1730 * little endian via htole32/le32toh. 1731 */ 1732 #endif 1733 /* 1734 * Big-endian bus requires BUSMODE_BLE anyway. 1735 * Also, BUSMODE_DBO is needed because we assume 1736 * descriptors are little endian. 1737 */ 1738 if (sc->sc_flags & TULIPF_BLE) 1739 sc->sc_busmode |= BUSMODE_BLE; 1740 if (sc->sc_flags & TULIPF_DBO) 1741 sc->sc_busmode |= BUSMODE_DBO; 1742 1743 /* 1744 * Some chips have a broken bus interface. 1745 */ 1746 switch (sc->sc_chip) { 1747 case TULIP_CHIP_DM9102: 1748 case TULIP_CHIP_DM9102A: 1749 sc->sc_busmode = 0; 1750 break; 1751 1752 default: 1753 /* Nothing. */ 1754 break; 1755 } 1756 1757 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1758 1759 /* 1760 * Initialize the OPMODE register. We don't write it until 1761 * we're ready to begin the transmit and receive processes. 1762 * 1763 * Media-related OPMODE bits are set in the media callbacks 1764 * for each specific chip/board. 1765 */ 1766 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1767 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1768 1769 /* 1770 * Magical mystery initialization on the Macronix chips. 1771 * The MX98713 uses its own magic value, the rest share 1772 * a common one. 1773 */ 1774 switch (sc->sc_chip) { 1775 case TULIP_CHIP_MX98713: 1776 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1777 break; 1778 1779 case TULIP_CHIP_MX98713A: 1780 case TULIP_CHIP_MX98715: 1781 case TULIP_CHIP_MX98715A: 1782 case TULIP_CHIP_MX98715AEC_X: 1783 case TULIP_CHIP_MX98725: 1784 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1785 break; 1786 1787 default: 1788 /* Nothing. */ 1789 break; 1790 } 1791 1792 /* 1793 * Initialize the transmit descriptor ring. 1794 */ 1795 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1796 for (i = 0; i < TULIP_NTXDESC; i++) { 1797 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1798 sc->sc_txdescs[i].td_bufaddr2 = 1799 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1800 } 1801 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1802 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1803 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1804 sc->sc_txfree = TULIP_NTXDESC; 1805 sc->sc_txnext = 0; 1806 1807 /* 1808 * Initialize the transmit job descriptors. 1809 */ 1810 SIMPLEQ_INIT(&sc->sc_txfreeq); 1811 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1812 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1813 txs = &sc->sc_txsoft[i]; 1814 txs->txs_mbuf = NULL; 1815 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1816 } 1817 1818 /* 1819 * Initialize the receive descriptor and receive job 1820 * descriptor rings. 1821 */ 1822 for (i = 0; i < TULIP_NRXDESC; i++) { 1823 rxs = &sc->sc_rxsoft[i]; 1824 if (rxs->rxs_mbuf == NULL) { 1825 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1826 aprint_error_dev(&sc->sc_dev, "unable to allocate or map rx " 1827 "buffer %d, error = %d\n", 1828 i, error); 1829 /* 1830 * XXX Should attempt to run with fewer receive 1831 * XXX buffers instead of just failing. 1832 */ 1833 tlp_rxdrain(sc); 1834 goto out; 1835 } 1836 } else 1837 TULIP_INIT_RXDESC(sc, i); 1838 } 1839 sc->sc_rxptr = 0; 1840 1841 /* 1842 * Initialize the interrupt mask and enable interrupts. 1843 */ 1844 /* normal interrupts */ 1845 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1846 1847 /* abnormal interrupts */ 1848 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1849 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1850 1851 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1852 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1853 1854 switch (sc->sc_chip) { 1855 case TULIP_CHIP_WB89C840F: 1856 /* 1857 * Clear bits that we don't want that happen to 1858 * overlap or don't exist. 1859 */ 1860 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1861 break; 1862 1863 default: 1864 /* Nothing. */ 1865 break; 1866 } 1867 1868 sc->sc_rxint_mask &= sc->sc_inten; 1869 sc->sc_txint_mask &= sc->sc_inten; 1870 1871 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1872 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1873 1874 /* 1875 * Give the transmit and receive rings to the Tulip. 1876 */ 1877 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1878 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1879 1880 /* 1881 * On chips that do this differently, set the station address. 1882 */ 1883 switch (sc->sc_chip) { 1884 case TULIP_CHIP_WB89C840F: 1885 { 1886 /* XXX Do this with stream writes? */ 1887 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1888 1889 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1890 bus_space_write_1(sc->sc_st, sc->sc_sh, 1891 cpa + i, CLLADDR(ifp->if_sadl)[i]); 1892 } 1893 break; 1894 } 1895 1896 case TULIP_CHIP_AL981: 1897 case TULIP_CHIP_AN983: 1898 case TULIP_CHIP_AN985: 1899 { 1900 u_int32_t reg; 1901 const u_int8_t *enaddr = CLLADDR(ifp->if_sadl); 1902 1903 reg = enaddr[0] | 1904 (enaddr[1] << 8) | 1905 (enaddr[2] << 16) | 1906 (enaddr[3] << 24); 1907 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1908 1909 reg = enaddr[4] | 1910 (enaddr[5] << 8); 1911 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1912 break; 1913 } 1914 1915 case TULIP_CHIP_AX88140: 1916 case TULIP_CHIP_AX88141: 1917 { 1918 u_int32_t reg; 1919 const u_int8_t *enaddr = CLLADDR(ifp->if_sadl); 1920 1921 reg = enaddr[0] | 1922 (enaddr[1] << 8) | 1923 (enaddr[2] << 16) | 1924 (enaddr[3] << 24); 1925 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); 1926 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1927 1928 reg = enaddr[4] | (enaddr[5] << 8); 1929 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); 1930 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1931 break; 1932 } 1933 1934 default: 1935 /* Nothing. */ 1936 break; 1937 } 1938 1939 /* 1940 * Set the receive filter. This will start the transmit and 1941 * receive processes. 1942 */ 1943 (*sc->sc_filter_setup)(sc); 1944 1945 /* 1946 * Set the current media. 1947 */ 1948 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1949 1950 /* 1951 * Start the receive process. 1952 */ 1953 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1954 1955 if (sc->sc_tick != NULL) { 1956 /* Start the one second clock. */ 1957 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1958 } 1959 1960 /* 1961 * Note that the interface is now running. 1962 */ 1963 ifp->if_flags |= IFF_RUNNING; 1964 ifp->if_flags &= ~IFF_OACTIVE; 1965 sc->sc_if_flags = ifp->if_flags; 1966 1967 out: 1968 if (error) { 1969 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1970 ifp->if_timer = 0; 1971 printf("%s: interface not running\n", device_xname(&sc->sc_dev)); 1972 } 1973 return (error); 1974 } 1975 1976 /* 1977 * tlp_enable: 1978 * 1979 * Enable the Tulip chip. 1980 */ 1981 static int 1982 tlp_enable(struct tulip_softc *sc) 1983 { 1984 1985 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1986 if ((*sc->sc_enable)(sc) != 0) { 1987 aprint_error_dev(&sc->sc_dev, "device enable failed\n"); 1988 return (EIO); 1989 } 1990 sc->sc_flags |= TULIPF_ENABLED; 1991 } 1992 return (0); 1993 } 1994 1995 /* 1996 * tlp_disable: 1997 * 1998 * Disable the Tulip chip. 1999 */ 2000 static void 2001 tlp_disable(struct tulip_softc *sc) 2002 { 2003 2004 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 2005 (*sc->sc_disable)(sc); 2006 sc->sc_flags &= ~TULIPF_ENABLED; 2007 } 2008 } 2009 2010 /* 2011 * tlp_rxdrain: 2012 * 2013 * Drain the receive queue. 2014 */ 2015 static void 2016 tlp_rxdrain(struct tulip_softc *sc) 2017 { 2018 struct tulip_rxsoft *rxs; 2019 int i; 2020 2021 for (i = 0; i < TULIP_NRXDESC; i++) { 2022 rxs = &sc->sc_rxsoft[i]; 2023 if (rxs->rxs_mbuf != NULL) { 2024 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2025 m_freem(rxs->rxs_mbuf); 2026 rxs->rxs_mbuf = NULL; 2027 } 2028 } 2029 } 2030 2031 /* 2032 * tlp_stop: [ ifnet interface function ] 2033 * 2034 * Stop transmission on the interface. 2035 */ 2036 static void 2037 tlp_stop(struct ifnet *ifp, int disable) 2038 { 2039 struct tulip_softc *sc = ifp->if_softc; 2040 struct tulip_txsoft *txs; 2041 2042 if (sc->sc_tick != NULL) { 2043 /* Stop the one second clock. */ 2044 callout_stop(&sc->sc_tick_callout); 2045 } 2046 2047 if (sc->sc_flags & TULIPF_HAS_MII) { 2048 /* Down the MII. */ 2049 mii_down(&sc->sc_mii); 2050 } 2051 2052 /* Disable interrupts. */ 2053 TULIP_WRITE(sc, CSR_INTEN, 0); 2054 2055 /* Stop the transmit and receive processes. */ 2056 sc->sc_opmode = 0; 2057 TULIP_WRITE(sc, CSR_OPMODE, 0); 2058 TULIP_WRITE(sc, CSR_RXLIST, 0); 2059 TULIP_WRITE(sc, CSR_TXLIST, 0); 2060 2061 /* 2062 * Release any queued transmit buffers. 2063 */ 2064 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2065 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2066 if (txs->txs_mbuf != NULL) { 2067 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2068 m_freem(txs->txs_mbuf); 2069 txs->txs_mbuf = NULL; 2070 } 2071 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2072 } 2073 2074 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2075 2076 /* 2077 * Mark the interface down and cancel the watchdog timer. 2078 */ 2079 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2080 sc->sc_if_flags = ifp->if_flags; 2081 ifp->if_timer = 0; 2082 2083 /* 2084 * Reset the chip (needed on some flavors to actually disable it). 2085 */ 2086 tlp_reset(sc); 2087 2088 if (disable) { 2089 tlp_rxdrain(sc); 2090 tlp_disable(sc); 2091 } 2092 } 2093 2094 #define SROM_EMIT(sc, x) \ 2095 do { \ 2096 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2097 delay(2); \ 2098 } while (0) 2099 2100 /* 2101 * tlp_srom_idle: 2102 * 2103 * Put the SROM in idle state. 2104 */ 2105 static void 2106 tlp_srom_idle(struct tulip_softc *sc) 2107 { 2108 u_int32_t miirom; 2109 int i; 2110 2111 miirom = MIIROM_SR; 2112 SROM_EMIT(sc, miirom); 2113 2114 miirom |= MIIROM_RD; 2115 SROM_EMIT(sc, miirom); 2116 2117 miirom |= MIIROM_SROMCS; 2118 SROM_EMIT(sc, miirom); 2119 2120 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2121 2122 /* Strobe the clock 32 times. */ 2123 for (i = 0; i < 32; i++) { 2124 SROM_EMIT(sc, miirom); 2125 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2126 } 2127 2128 SROM_EMIT(sc, miirom); 2129 2130 miirom &= ~MIIROM_SROMCS; 2131 SROM_EMIT(sc, miirom); 2132 2133 SROM_EMIT(sc, 0); 2134 } 2135 2136 /* 2137 * tlp_srom_size: 2138 * 2139 * Determine the number of address bits in the SROM. 2140 */ 2141 static int 2142 tlp_srom_size(struct tulip_softc *sc) 2143 { 2144 u_int32_t miirom; 2145 int x; 2146 2147 /* Select the SROM. */ 2148 miirom = MIIROM_SR; 2149 SROM_EMIT(sc, miirom); 2150 2151 miirom |= MIIROM_RD; 2152 SROM_EMIT(sc, miirom); 2153 2154 /* Send CHIP SELECT for one clock tick. */ 2155 miirom |= MIIROM_SROMCS; 2156 SROM_EMIT(sc, miirom); 2157 2158 /* Shift in the READ opcode. */ 2159 for (x = 3; x > 0; x--) { 2160 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2161 miirom |= MIIROM_SROMDI; 2162 else 2163 miirom &= ~MIIROM_SROMDI; 2164 SROM_EMIT(sc, miirom); 2165 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2166 SROM_EMIT(sc, miirom); 2167 } 2168 2169 /* Shift in address and look for dummy 0 bit. */ 2170 for (x = 1; x <= 12; x++) { 2171 miirom &= ~MIIROM_SROMDI; 2172 SROM_EMIT(sc, miirom); 2173 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2174 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2175 break; 2176 SROM_EMIT(sc, miirom); 2177 } 2178 2179 /* Clear CHIP SELECT. */ 2180 miirom &= ~MIIROM_SROMCS; 2181 SROM_EMIT(sc, miirom); 2182 2183 /* Deselect the SROM. */ 2184 SROM_EMIT(sc, 0); 2185 2186 if (x < 4 || x > 12) { 2187 aprint_debug_dev(&sc->sc_dev, "broken MicroWire interface detected; " 2188 "setting SROM size to 1Kb\n"); 2189 return (6); 2190 } else { 2191 if (tlp_srom_debug) 2192 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2193 device_xname(&sc->sc_dev), x, (1 << (x + 4)) >> 3); 2194 return (x); 2195 } 2196 } 2197 2198 /* 2199 * tlp_read_srom: 2200 * 2201 * Read the Tulip SROM. 2202 */ 2203 int 2204 tlp_read_srom(struct tulip_softc *sc) 2205 { 2206 int size; 2207 u_int32_t miirom; 2208 u_int16_t datain; 2209 int i, x; 2210 2211 tlp_srom_idle(sc); 2212 2213 sc->sc_srom_addrbits = tlp_srom_size(sc); 2214 if (sc->sc_srom_addrbits == 0) 2215 return (0); 2216 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2217 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2218 2219 /* Select the SROM. */ 2220 miirom = MIIROM_SR; 2221 SROM_EMIT(sc, miirom); 2222 2223 miirom |= MIIROM_RD; 2224 SROM_EMIT(sc, miirom); 2225 2226 for (i = 0; i < size; i += 2) { 2227 /* Send CHIP SELECT for one clock tick. */ 2228 miirom |= MIIROM_SROMCS; 2229 SROM_EMIT(sc, miirom); 2230 2231 /* Shift in the READ opcode. */ 2232 for (x = 3; x > 0; x--) { 2233 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2234 miirom |= MIIROM_SROMDI; 2235 else 2236 miirom &= ~MIIROM_SROMDI; 2237 SROM_EMIT(sc, miirom); 2238 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2239 SROM_EMIT(sc, miirom); 2240 } 2241 2242 /* Shift in address. */ 2243 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2244 if (i & (1 << x)) 2245 miirom |= MIIROM_SROMDI; 2246 else 2247 miirom &= ~MIIROM_SROMDI; 2248 SROM_EMIT(sc, miirom); 2249 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2250 SROM_EMIT(sc, miirom); 2251 } 2252 2253 /* Shift out data. */ 2254 miirom &= ~MIIROM_SROMDI; 2255 datain = 0; 2256 for (x = 16; x > 0; x--) { 2257 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2258 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2259 datain |= (1 << (x - 1)); 2260 SROM_EMIT(sc, miirom); 2261 } 2262 sc->sc_srom[i] = datain & 0xff; 2263 sc->sc_srom[i + 1] = datain >> 8; 2264 2265 /* Clear CHIP SELECT. */ 2266 miirom &= ~MIIROM_SROMCS; 2267 SROM_EMIT(sc, miirom); 2268 } 2269 2270 /* Deselect the SROM. */ 2271 SROM_EMIT(sc, 0); 2272 2273 /* ...and idle it. */ 2274 tlp_srom_idle(sc); 2275 2276 if (tlp_srom_debug) { 2277 printf("SROM CONTENTS:"); 2278 for (i = 0; i < size; i++) { 2279 if ((i % 8) == 0) 2280 printf("\n\t"); 2281 printf("0x%02x ", sc->sc_srom[i]); 2282 } 2283 printf("\n"); 2284 } 2285 2286 return (1); 2287 } 2288 2289 #undef SROM_EMIT 2290 2291 /* 2292 * tlp_add_rxbuf: 2293 * 2294 * Add a receive buffer to the indicated descriptor. 2295 */ 2296 static int 2297 tlp_add_rxbuf(struct tulip_softc *sc, int idx) 2298 { 2299 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2300 struct mbuf *m; 2301 int error; 2302 2303 MGETHDR(m, M_DONTWAIT, MT_DATA); 2304 if (m == NULL) 2305 return (ENOBUFS); 2306 2307 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2308 MCLGET(m, M_DONTWAIT); 2309 if ((m->m_flags & M_EXT) == 0) { 2310 m_freem(m); 2311 return (ENOBUFS); 2312 } 2313 2314 if (rxs->rxs_mbuf != NULL) 2315 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2316 2317 rxs->rxs_mbuf = m; 2318 2319 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2320 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2321 BUS_DMA_READ|BUS_DMA_NOWAIT); 2322 if (error) { 2323 aprint_error_dev(&sc->sc_dev, "can't load rx DMA map %d, error = %d\n", 2324 idx, error); 2325 panic("tlp_add_rxbuf"); /* XXX */ 2326 } 2327 2328 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2329 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2330 2331 TULIP_INIT_RXDESC(sc, idx); 2332 2333 return (0); 2334 } 2335 2336 /* 2337 * tlp_srom_crcok: 2338 * 2339 * Check the CRC of the Tulip SROM. 2340 */ 2341 int 2342 tlp_srom_crcok(const u_int8_t *romdata) 2343 { 2344 u_int32_t crc; 2345 2346 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2347 crc = (crc & 0xffff) ^ 0xffff; 2348 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2349 return (1); 2350 2351 /* 2352 * Try an alternate checksum. 2353 */ 2354 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2355 crc = (crc & 0xffff) ^ 0xffff; 2356 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2357 return (1); 2358 2359 return (0); 2360 } 2361 2362 /* 2363 * tlp_isv_srom: 2364 * 2365 * Check to see if the SROM is in the new standardized format. 2366 */ 2367 int 2368 tlp_isv_srom(const u_int8_t *romdata) 2369 { 2370 int i; 2371 u_int16_t cksum; 2372 2373 if (tlp_srom_crcok(romdata)) { 2374 /* 2375 * SROM CRC checks out; must be in the new format. 2376 */ 2377 return (1); 2378 } 2379 2380 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2381 if (cksum == 0xffff || cksum == 0) { 2382 /* 2383 * No checksum present. Check the SROM ID; 18 bytes of 0 2384 * followed by 1 (version) followed by the number of 2385 * adapters which use this SROM (should be non-zero). 2386 */ 2387 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2388 if (romdata[i] != 0) 2389 return (0); 2390 } 2391 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2392 return (0); 2393 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2394 return (0); 2395 return (1); 2396 } 2397 2398 return (0); 2399 } 2400 2401 /* 2402 * tlp_isv_srom_enaddr: 2403 * 2404 * Get the Ethernet address from an ISV SROM. 2405 */ 2406 int 2407 tlp_isv_srom_enaddr(struct tulip_softc *sc, u_int8_t *enaddr) 2408 { 2409 int i, devcnt; 2410 2411 if (tlp_isv_srom(sc->sc_srom) == 0) 2412 return (0); 2413 2414 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2415 for (i = 0; i < devcnt; i++) { 2416 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2417 break; 2418 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2419 sc->sc_devno) 2420 break; 2421 } 2422 2423 if (i == devcnt) 2424 return (0); 2425 2426 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2427 ETHER_ADDR_LEN); 2428 enaddr[5] += i; 2429 2430 return (1); 2431 } 2432 2433 /* 2434 * tlp_parse_old_srom: 2435 * 2436 * Parse old-format SROMs. 2437 * 2438 * This routine is largely lifted from Matt Thomas's `de' driver. 2439 */ 2440 int 2441 tlp_parse_old_srom(struct tulip_softc *sc, u_int8_t *enaddr) 2442 { 2443 static const u_int8_t testpat[] = 2444 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2445 int i; 2446 u_int32_t cksum; 2447 2448 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2449 /* 2450 * Phobos G100 interfaces have the address at 2451 * offsets 0 and 20, but each pair of bytes is 2452 * swapped. 2453 */ 2454 if (sc->sc_srom_addrbits == 6 && 2455 sc->sc_srom[1] == 0x00 && 2456 sc->sc_srom[0] == 0x60 && 2457 sc->sc_srom[3] == 0xf5 && 2458 memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) { 2459 for (i = 0; i < 6; i += 2) { 2460 enaddr[i] = sc->sc_srom[i + 1]; 2461 enaddr[i + 1] = sc->sc_srom[i]; 2462 } 2463 return (1); 2464 } 2465 2466 /* 2467 * Phobos G130/G160 interfaces have the address at 2468 * offsets 20 and 84, but each pair of bytes is 2469 * swapped. 2470 */ 2471 if (sc->sc_srom_addrbits == 6 && 2472 sc->sc_srom[21] == 0x00 && 2473 sc->sc_srom[20] == 0x60 && 2474 sc->sc_srom[23] == 0xf5 && 2475 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { 2476 for (i = 0; i < 6; i += 2) { 2477 enaddr[i] = sc->sc_srom[20 + i + 1]; 2478 enaddr[i + 1] = sc->sc_srom[20 + i]; 2479 } 2480 return (1); 2481 } 2482 2483 /* 2484 * Cobalt Networks interfaces simply have the address 2485 * in the first six bytes. The rest is zeroed out 2486 * on some models, but others contain unknown data. 2487 */ 2488 if (sc->sc_srom[0] == 0x00 && 2489 sc->sc_srom[1] == 0x10 && 2490 sc->sc_srom[2] == 0xe0) { 2491 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2492 return (1); 2493 } 2494 2495 /* 2496 * Some vendors (e.g. ZNYX) don't use the standard 2497 * DEC Address ROM format, but rather just have an 2498 * Ethernet address in the first 6 bytes, maybe a 2499 * 2 byte checksum, and then all 0xff's. 2500 */ 2501 for (i = 8; i < 32; i++) { 2502 if (sc->sc_srom[i] != 0xff && 2503 sc->sc_srom[i] != 0) 2504 return (0); 2505 } 2506 2507 /* 2508 * Sanity check the Ethernet address: 2509 * 2510 * - Make sure it's not multicast or locally 2511 * assigned 2512 * - Make sure it has a non-0 OUI 2513 */ 2514 if (sc->sc_srom[0] & 3) 2515 return (0); 2516 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2517 sc->sc_srom[2] == 0) 2518 return (0); 2519 2520 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2521 return (1); 2522 } 2523 2524 /* 2525 * Standard DEC Address ROM test. 2526 */ 2527 2528 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2529 return (0); 2530 2531 for (i = 0; i < 8; i++) { 2532 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2533 return (0); 2534 } 2535 2536 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2537 2538 cksum = *(u_int16_t *) &enaddr[0]; 2539 2540 cksum <<= 1; 2541 if (cksum > 0xffff) 2542 cksum -= 0xffff; 2543 2544 cksum += *(u_int16_t *) &enaddr[2]; 2545 if (cksum > 0xffff) 2546 cksum -= 0xffff; 2547 2548 cksum <<= 1; 2549 if (cksum > 0xffff) 2550 cksum -= 0xffff; 2551 2552 cksum += *(u_int16_t *) &enaddr[4]; 2553 if (cksum >= 0xffff) 2554 cksum -= 0xffff; 2555 2556 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2557 return (0); 2558 2559 return (1); 2560 } 2561 2562 /* 2563 * tlp_filter_setup: 2564 * 2565 * Set the Tulip's receive filter. 2566 */ 2567 static void 2568 tlp_filter_setup(struct tulip_softc *sc) 2569 { 2570 struct ethercom *ec = &sc->sc_ethercom; 2571 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2572 struct ether_multi *enm; 2573 struct ether_multistep step; 2574 volatile u_int32_t *sp; 2575 struct tulip_txsoft *txs; 2576 u_int8_t enaddr[ETHER_ADDR_LEN]; 2577 u_int32_t hash, hashsize; 2578 int cnt, nexttx; 2579 2580 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2581 device_xname(&sc->sc_dev), sc->sc_flags)); 2582 2583 memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2584 2585 /* 2586 * If there are transmissions pending, wait until they have 2587 * completed. 2588 */ 2589 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2590 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2591 sc->sc_flags |= TULIPF_WANT_SETUP; 2592 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2593 device_xname(&sc->sc_dev))); 2594 return; 2595 } 2596 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2597 2598 switch (sc->sc_chip) { 2599 case TULIP_CHIP_82C115: 2600 hashsize = TULIP_PNICII_HASHSIZE; 2601 break; 2602 2603 default: 2604 hashsize = TULIP_MCHASHSIZE; 2605 } 2606 2607 /* 2608 * If we're running, idle the transmit and receive engines. If 2609 * we're NOT running, we're being called from tlp_init(), and our 2610 * writing OPMODE will start the transmit and receive processes 2611 * in motion. 2612 */ 2613 if (ifp->if_flags & IFF_RUNNING) 2614 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2615 2616 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2617 2618 if (ifp->if_flags & IFF_PROMISC) { 2619 sc->sc_opmode |= OPMODE_PR; 2620 goto allmulti; 2621 } 2622 2623 /* 2624 * Try Perfect filtering first. 2625 */ 2626 2627 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2628 sp = TULIP_CDSP(sc); 2629 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2630 cnt = 0; 2631 ETHER_FIRST_MULTI(step, ec, enm); 2632 while (enm != NULL) { 2633 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2634 /* 2635 * We must listen to a range of multicast addresses. 2636 * For now, just accept all multicasts, rather than 2637 * trying to set only those filter bits needed to match 2638 * the range. (At this time, the only use of address 2639 * ranges is for IP multicast routing, for which the 2640 * range is big enough to require all bits set.) 2641 */ 2642 goto allmulti; 2643 } 2644 if (cnt == (TULIP_MAXADDRS - 2)) { 2645 /* 2646 * We already have our multicast limit (still need 2647 * our station address and broadcast). Go to 2648 * Hash-Perfect mode. 2649 */ 2650 goto hashperfect; 2651 } 2652 cnt++; 2653 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 0)); 2654 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 1)); 2655 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 2)); 2656 ETHER_NEXT_MULTI(step, enm); 2657 } 2658 2659 if (ifp->if_flags & IFF_BROADCAST) { 2660 /* ...and the broadcast address. */ 2661 cnt++; 2662 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2663 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2664 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2665 } 2666 2667 /* Pad the rest with our station address. */ 2668 for (; cnt < TULIP_MAXADDRS; cnt++) { 2669 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2670 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2671 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2672 } 2673 ifp->if_flags &= ~IFF_ALLMULTI; 2674 goto setit; 2675 2676 hashperfect: 2677 /* 2678 * Try Hash-Perfect mode. 2679 */ 2680 2681 /* 2682 * Some 21140 chips have broken Hash-Perfect modes. On these 2683 * chips, we simply use Hash-Only mode, and put our station 2684 * address into the filter. 2685 */ 2686 if (sc->sc_chip == TULIP_CHIP_21140) 2687 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2688 else 2689 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2690 sp = TULIP_CDSP(sc); 2691 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2692 ETHER_FIRST_MULTI(step, ec, enm); 2693 while (enm != NULL) { 2694 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2695 /* 2696 * We must listen to a range of multicast addresses. 2697 * For now, just accept all multicasts, rather than 2698 * trying to set only those filter bits needed to match 2699 * the range. (At this time, the only use of address 2700 * ranges is for IP multicast routing, for which the 2701 * range is big enough to require all bits set.) 2702 */ 2703 goto allmulti; 2704 } 2705 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2706 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2707 ETHER_NEXT_MULTI(step, enm); 2708 } 2709 2710 if (ifp->if_flags & IFF_BROADCAST) { 2711 /* ...and the broadcast address. */ 2712 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2713 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2714 } 2715 2716 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2717 /* ...and our station address. */ 2718 hash = tlp_mchash(enaddr, hashsize); 2719 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2720 } else { 2721 /* 2722 * Hash-Perfect mode; put our station address after 2723 * the hash table. 2724 */ 2725 sp[39] = htole32(TULIP_SP_FIELD(enaddr, 0)); 2726 sp[40] = htole32(TULIP_SP_FIELD(enaddr, 1)); 2727 sp[41] = htole32(TULIP_SP_FIELD(enaddr, 2)); 2728 } 2729 ifp->if_flags &= ~IFF_ALLMULTI; 2730 goto setit; 2731 2732 allmulti: 2733 /* 2734 * Use Perfect filter mode. First address is the broadcast address, 2735 * and pad the rest with our station address. We'll set Pass-all- 2736 * multicast in OPMODE below. 2737 */ 2738 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2739 sp = TULIP_CDSP(sc); 2740 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2741 cnt = 0; 2742 if (ifp->if_flags & IFF_BROADCAST) { 2743 cnt++; 2744 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2745 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2746 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2747 } 2748 for (; cnt < TULIP_MAXADDRS; cnt++) { 2749 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2750 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2751 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2752 } 2753 ifp->if_flags |= IFF_ALLMULTI; 2754 2755 setit: 2756 if (ifp->if_flags & IFF_ALLMULTI) 2757 sc->sc_opmode |= OPMODE_PM; 2758 2759 /* Sync the setup packet buffer. */ 2760 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2761 2762 /* 2763 * Fill in the setup packet descriptor. 2764 */ 2765 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2766 2767 txs->txs_firstdesc = sc->sc_txnext; 2768 txs->txs_lastdesc = sc->sc_txnext; 2769 txs->txs_ndescs = 1; 2770 txs->txs_mbuf = NULL; 2771 2772 nexttx = sc->sc_txnext; 2773 sc->sc_txdescs[nexttx].td_status = 0; 2774 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2775 sc->sc_txdescs[nexttx].td_ctl = 2776 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2777 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2778 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2779 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2780 TULIP_CDTXSYNC(sc, nexttx, 1, 2781 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2782 2783 #ifdef TLP_DEBUG 2784 if (ifp->if_flags & IFF_DEBUG) { 2785 printf(" filter_setup %p transmit chain:\n", txs); 2786 printf(" descriptor %d:\n", nexttx); 2787 printf(" td_status: 0x%08x\n", 2788 le32toh(sc->sc_txdescs[nexttx].td_status)); 2789 printf(" td_ctl: 0x%08x\n", 2790 le32toh(sc->sc_txdescs[nexttx].td_ctl)); 2791 printf(" td_bufaddr1: 0x%08x\n", 2792 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1)); 2793 printf(" td_bufaddr2: 0x%08x\n", 2794 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2)); 2795 } 2796 #endif 2797 2798 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN); 2799 TULIP_CDTXSYNC(sc, nexttx, 1, 2800 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2801 2802 /* Advance the tx pointer. */ 2803 sc->sc_txfree -= 1; 2804 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2805 2806 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2807 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2808 2809 /* 2810 * Set the OPMODE register. This will also resume the 2811 * transmit process we idled above. 2812 */ 2813 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2814 2815 sc->sc_flags |= TULIPF_DOING_SETUP; 2816 2817 /* 2818 * Kick the transmitter; this will cause the Tulip to 2819 * read the setup descriptor. 2820 */ 2821 /* XXX USE AUTOPOLLING? */ 2822 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2823 2824 /* Set up a watchdog timer in case the chip flakes out. */ 2825 ifp->if_timer = 5; 2826 2827 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", device_xname(&sc->sc_dev))); 2828 } 2829 2830 /* 2831 * tlp_winb_filter_setup: 2832 * 2833 * Set the Winbond 89C840F's receive filter. 2834 */ 2835 static void 2836 tlp_winb_filter_setup(struct tulip_softc *sc) 2837 { 2838 struct ethercom *ec = &sc->sc_ethercom; 2839 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2840 struct ether_multi *enm; 2841 struct ether_multistep step; 2842 u_int32_t hash, mchash[2]; 2843 2844 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2845 device_xname(&sc->sc_dev), sc->sc_flags)); 2846 2847 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2848 2849 if (ifp->if_flags & IFF_MULTICAST) 2850 sc->sc_opmode |= OPMODE_WINB_AMP; 2851 2852 if (ifp->if_flags & IFF_BROADCAST) 2853 sc->sc_opmode |= OPMODE_WINB_ABP; 2854 2855 if (ifp->if_flags & IFF_PROMISC) { 2856 sc->sc_opmode |= OPMODE_WINB_APP; 2857 goto allmulti; 2858 } 2859 2860 mchash[0] = mchash[1] = 0; 2861 2862 ETHER_FIRST_MULTI(step, ec, enm); 2863 while (enm != NULL) { 2864 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2865 /* 2866 * We must listen to a range of multicast addresses. 2867 * For now, just accept all multicasts, rather than 2868 * trying to set only those filter bits needed to match 2869 * the range. (At this time, the only use of address 2870 * ranges is for IP multicast routing, for which the 2871 * range is big enough to require all bits set.) 2872 */ 2873 goto allmulti; 2874 } 2875 2876 /* 2877 * According to the FreeBSD `wb' driver, yes, you 2878 * really do invert the hash. 2879 */ 2880 hash = 2881 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2882 & 0x3f; 2883 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2884 ETHER_NEXT_MULTI(step, enm); 2885 } 2886 ifp->if_flags &= ~IFF_ALLMULTI; 2887 goto setit; 2888 2889 allmulti: 2890 ifp->if_flags |= IFF_ALLMULTI; 2891 mchash[0] = mchash[1] = 0xffffffff; 2892 2893 setit: 2894 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2895 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2896 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2897 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2898 device_xname(&sc->sc_dev))); 2899 } 2900 2901 /* 2902 * tlp_al981_filter_setup: 2903 * 2904 * Set the ADMtek AL981's receive filter. 2905 */ 2906 static void 2907 tlp_al981_filter_setup(struct tulip_softc *sc) 2908 { 2909 struct ethercom *ec = &sc->sc_ethercom; 2910 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2911 struct ether_multi *enm; 2912 struct ether_multistep step; 2913 u_int32_t hash, mchash[2]; 2914 2915 /* 2916 * If the chip is running, we need to reset the interface, 2917 * and will revisit here (with IFF_RUNNING) clear. The 2918 * chip seems to really not like to have its multicast 2919 * filter programmed without a reset. 2920 */ 2921 if (ifp->if_flags & IFF_RUNNING) { 2922 (void) tlp_init(ifp); 2923 return; 2924 } 2925 2926 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2927 device_xname(&sc->sc_dev), sc->sc_flags)); 2928 2929 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2930 2931 if (ifp->if_flags & IFF_PROMISC) { 2932 sc->sc_opmode |= OPMODE_PR; 2933 goto allmulti; 2934 } 2935 2936 mchash[0] = mchash[1] = 0; 2937 2938 ETHER_FIRST_MULTI(step, ec, enm); 2939 while (enm != NULL) { 2940 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2941 /* 2942 * We must listen to a range of multicast addresses. 2943 * For now, just accept all multicasts, rather than 2944 * trying to set only those filter bits needed to match 2945 * the range. (At this time, the only use of address 2946 * ranges is for IP multicast routing, for which the 2947 * range is big enough to require all bits set.) 2948 */ 2949 goto allmulti; 2950 } 2951 2952 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2953 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2954 ETHER_NEXT_MULTI(step, enm); 2955 } 2956 ifp->if_flags &= ~IFF_ALLMULTI; 2957 goto setit; 2958 2959 allmulti: 2960 ifp->if_flags |= IFF_ALLMULTI; 2961 mchash[0] = mchash[1] = 0xffffffff; 2962 2963 setit: 2964 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2965 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2966 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2967 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2968 device_xname(&sc->sc_dev))); 2969 } 2970 2971 /* 2972 * tlp_asix_filter_setup: 2973 * 2974 * Set the ASIX AX8814x recieve filter. 2975 */ 2976 static void 2977 tlp_asix_filter_setup(struct tulip_softc *sc) 2978 { 2979 struct ethercom *ec = &sc->sc_ethercom; 2980 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2981 struct ether_multi *enm; 2982 struct ether_multistep step; 2983 u_int32_t hash, mchash[2]; 2984 2985 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 2986 device_xname(&sc->sc_dev), sc->sc_flags)); 2987 2988 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 2989 2990 if (ifp->if_flags & IFF_MULTICAST) 2991 sc->sc_opmode |= OPMODE_PM; 2992 2993 if (ifp->if_flags & IFF_BROADCAST) 2994 sc->sc_opmode |= OPMODE_AX_RB; 2995 2996 if (ifp->if_flags & IFF_PROMISC) { 2997 sc->sc_opmode |= OPMODE_PR; 2998 goto allmulti; 2999 } 3000 3001 mchash[0] = mchash[1] = 0; 3002 3003 ETHER_FIRST_MULTI(step, ec, enm); 3004 while (enm != NULL) { 3005 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 3006 /* 3007 * We must listen to a range of multicast addresses. 3008 * For now, just accept all multicasts, rather than 3009 * trying to set only those filter bits needed to match 3010 * the range. (At this time, the only use of address 3011 * ranges is for IP multicast routing, for which the 3012 * range is big enough to require all bits set.) 3013 */ 3014 goto allmulti; 3015 } 3016 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3017 & 0x3f; 3018 if (hash < 32) 3019 mchash[0] |= (1 << hash); 3020 else 3021 mchash[1] |= (1 << (hash - 32)); 3022 ETHER_NEXT_MULTI(step, enm); 3023 } 3024 ifp->if_flags &= ~IFF_ALLMULTI; 3025 goto setit; 3026 3027 allmulti: 3028 ifp->if_flags |= IFF_ALLMULTI; 3029 mchash[0] = mchash[1] = 0xffffffff; 3030 3031 setit: 3032 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3033 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3034 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3035 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3036 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3037 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3038 device_xname(&sc->sc_dev))); 3039 } 3040 3041 3042 /* 3043 * tlp_idle: 3044 * 3045 * Cause the transmit and/or receive processes to go idle. 3046 */ 3047 void 3048 tlp_idle(struct tulip_softc *sc, u_int32_t bits) 3049 { 3050 static const char * const tlp_tx_state_names[] = { 3051 "STOPPED", 3052 "RUNNING - FETCH", 3053 "RUNNING - WAIT", 3054 "RUNNING - READING", 3055 "-- RESERVED --", 3056 "RUNNING - SETUP", 3057 "SUSPENDED", 3058 "RUNNING - CLOSE", 3059 }; 3060 static const char * const tlp_rx_state_names[] = { 3061 "STOPPED", 3062 "RUNNING - FETCH", 3063 "RUNNING - CHECK", 3064 "RUNNING - WAIT", 3065 "SUSPENDED", 3066 "RUNNING - CLOSE", 3067 "RUNNING - FLUSH", 3068 "RUNNING - QUEUE", 3069 }; 3070 static const char * const dm9102_tx_state_names[] = { 3071 "STOPPED", 3072 "RUNNING - FETCH", 3073 "RUNNING - SETUP", 3074 "RUNNING - READING", 3075 "RUNNING - CLOSE - CLEAR OWNER", 3076 "RUNNING - WAIT", 3077 "RUNNING - CLOSE - WRITE STATUS", 3078 "SUSPENDED", 3079 }; 3080 static const char * const dm9102_rx_state_names[] = { 3081 "STOPPED", 3082 "RUNNING - FETCH", 3083 "RUNNING - WAIT", 3084 "RUNNING - QUEUE", 3085 "RUNNING - CLOSE - CLEAR OWNER", 3086 "RUNNING - CLOSE - WRITE STATUS", 3087 "SUSPENDED", 3088 "RUNNING - FLUSH", 3089 }; 3090 3091 const char * const *tx_state_names, * const *rx_state_names; 3092 u_int32_t csr, ackmask = 0; 3093 int i; 3094 3095 switch (sc->sc_chip) { 3096 case TULIP_CHIP_DM9102: 3097 case TULIP_CHIP_DM9102A: 3098 tx_state_names = dm9102_tx_state_names; 3099 rx_state_names = dm9102_rx_state_names; 3100 break; 3101 3102 default: 3103 tx_state_names = tlp_tx_state_names; 3104 rx_state_names = tlp_rx_state_names; 3105 break; 3106 } 3107 3108 if (bits & OPMODE_ST) 3109 ackmask |= STATUS_TPS; 3110 3111 if (bits & OPMODE_SR) 3112 ackmask |= STATUS_RPS; 3113 3114 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3115 3116 for (i = 0; i < 1000; i++) { 3117 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3118 break; 3119 delay(10); 3120 } 3121 3122 csr = TULIP_READ(sc, CSR_STATUS); 3123 if ((csr & ackmask) != ackmask) { 3124 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3125 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3126 switch (sc->sc_chip) { 3127 case TULIP_CHIP_AX88140: 3128 case TULIP_CHIP_AX88141: 3129 /* 3130 * Filter the message out on noisy chips. 3131 */ 3132 break; 3133 default: 3134 printf("%s: transmit process failed to idle: " 3135 "state %s\n", device_xname(&sc->sc_dev), 3136 tx_state_names[(csr & STATUS_TS) >> 20]); 3137 } 3138 } 3139 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3140 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3141 switch (sc->sc_chip) { 3142 case TULIP_CHIP_AN983: 3143 case TULIP_CHIP_AN985: 3144 case TULIP_CHIP_DM9102A: 3145 case TULIP_CHIP_RS7112: 3146 /* 3147 * Filter the message out on noisy chips. 3148 */ 3149 break; 3150 default: 3151 printf("%s: receive process failed to idle: " 3152 "state %s\n", device_xname(&sc->sc_dev), 3153 rx_state_names[(csr & STATUS_RS) >> 17]); 3154 } 3155 } 3156 } 3157 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3158 } 3159 3160 /***************************************************************************** 3161 * Generic media support functions. 3162 *****************************************************************************/ 3163 3164 /* 3165 * tlp_mediastatus: [ifmedia interface function] 3166 * 3167 * Query the current media. 3168 */ 3169 void 3170 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3171 { 3172 struct tulip_softc *sc = ifp->if_softc; 3173 3174 if (TULIP_IS_ENABLED(sc) == 0) { 3175 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3176 ifmr->ifm_status = 0; 3177 return; 3178 } 3179 3180 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3181 } 3182 3183 /* 3184 * tlp_mediachange: [ifmedia interface function] 3185 * 3186 * Update the current media. 3187 */ 3188 int 3189 tlp_mediachange(struct ifnet *ifp) 3190 { 3191 struct tulip_softc *sc = ifp->if_softc; 3192 3193 if ((ifp->if_flags & IFF_UP) == 0) 3194 return (0); 3195 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3196 } 3197 3198 /***************************************************************************** 3199 * Support functions for MII-attached media. 3200 *****************************************************************************/ 3201 3202 /* 3203 * tlp_mii_tick: 3204 * 3205 * One second timer, used to tick the MII. 3206 */ 3207 static void 3208 tlp_mii_tick(void *arg) 3209 { 3210 struct tulip_softc *sc = arg; 3211 int s; 3212 3213 if (!device_is_active(&sc->sc_dev)) 3214 return; 3215 3216 s = splnet(); 3217 mii_tick(&sc->sc_mii); 3218 splx(s); 3219 3220 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3221 } 3222 3223 /* 3224 * tlp_mii_statchg: [mii interface function] 3225 * 3226 * Callback from PHY when media changes. 3227 */ 3228 static void 3229 tlp_mii_statchg(struct device *self) 3230 { 3231 struct tulip_softc *sc = (struct tulip_softc *)self; 3232 3233 /* Idle the transmit and receive processes. */ 3234 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3235 3236 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3237 3238 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3239 sc->sc_opmode |= OPMODE_TTM; 3240 else 3241 sc->sc_opmode |= OPMODE_HBD; 3242 3243 if (sc->sc_mii.mii_media_active & IFM_FDX) 3244 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3245 3246 /* 3247 * Write new OPMODE bits. This also restarts the transmit 3248 * and receive processes. 3249 */ 3250 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3251 } 3252 3253 /* 3254 * tlp_winb_mii_statchg: [mii interface function] 3255 * 3256 * Callback from PHY when media changes. This version is 3257 * for the Winbond 89C840F, which has different OPMODE bits. 3258 */ 3259 static void 3260 tlp_winb_mii_statchg(struct device *self) 3261 { 3262 struct tulip_softc *sc = (struct tulip_softc *)self; 3263 3264 /* Idle the transmit and receive processes. */ 3265 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3266 3267 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3268 3269 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3270 sc->sc_opmode |= OPMODE_WINB_FES; 3271 3272 if (sc->sc_mii.mii_media_active & IFM_FDX) 3273 sc->sc_opmode |= OPMODE_FD; 3274 3275 /* 3276 * Write new OPMODE bits. This also restarts the transmit 3277 * and receive processes. 3278 */ 3279 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3280 } 3281 3282 /* 3283 * tlp_dm9102_mii_statchg: [mii interface function] 3284 * 3285 * Callback from PHY when media changes. This version is 3286 * for the DM9102. 3287 */ 3288 static void 3289 tlp_dm9102_mii_statchg(struct device *self) 3290 { 3291 struct tulip_softc *sc = (struct tulip_softc *)self; 3292 3293 /* 3294 * Don't idle the transmit and receive processes, here. It 3295 * seems to fail, and just causes excess noise. 3296 */ 3297 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3298 3299 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3300 sc->sc_opmode |= OPMODE_TTM; 3301 3302 if (sc->sc_mii.mii_media_active & IFM_FDX) 3303 sc->sc_opmode |= OPMODE_FD; 3304 3305 /* 3306 * Write new OPMODE bits. 3307 */ 3308 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3309 } 3310 3311 /* 3312 * tlp_mii_getmedia: 3313 * 3314 * Callback from ifmedia to request current media status. 3315 */ 3316 static void 3317 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3318 { 3319 3320 mii_pollstat(&sc->sc_mii); 3321 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3322 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3323 } 3324 3325 /* 3326 * tlp_mii_setmedia: 3327 * 3328 * Callback from ifmedia to request new media setting. 3329 */ 3330 static int 3331 tlp_mii_setmedia(struct tulip_softc *sc) 3332 { 3333 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3334 int rc; 3335 3336 if ((ifp->if_flags & IFF_UP) == 0) 3337 return 0; 3338 switch (sc->sc_chip) { 3339 case TULIP_CHIP_21142: 3340 case TULIP_CHIP_21143: 3341 /* Disable the internal Nway engine. */ 3342 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3343 break; 3344 3345 default: 3346 /* Nothing. */ 3347 break; 3348 } 3349 if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) 3350 return 0; 3351 return rc; 3352 } 3353 3354 /* 3355 * tlp_bitbang_mii_readreg: 3356 * 3357 * Read a PHY register via bit-bang'ing the MII. 3358 */ 3359 static int 3360 tlp_bitbang_mii_readreg(struct device *self, int phy, int reg) 3361 { 3362 struct tulip_softc *sc = (void *) self; 3363 3364 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3365 } 3366 3367 /* 3368 * tlp_bitbang_mii_writereg: 3369 * 3370 * Write a PHY register via bit-bang'ing the MII. 3371 */ 3372 static void 3373 tlp_bitbang_mii_writereg(struct device *self, int phy, int reg, int val) 3374 { 3375 struct tulip_softc *sc = (void *) self; 3376 3377 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3378 } 3379 3380 /* 3381 * tlp_sio_mii_bitbang_read: 3382 * 3383 * Read the MII serial port for the MII bit-bang module. 3384 */ 3385 static u_int32_t 3386 tlp_sio_mii_bitbang_read(struct device *self) 3387 { 3388 struct tulip_softc *sc = (void *) self; 3389 3390 return (TULIP_READ(sc, CSR_MIIROM)); 3391 } 3392 3393 /* 3394 * tlp_sio_mii_bitbang_write: 3395 * 3396 * Write the MII serial port for the MII bit-bang module. 3397 */ 3398 static void 3399 tlp_sio_mii_bitbang_write(struct device *self, u_int32_t val) 3400 { 3401 struct tulip_softc *sc = (void *) self; 3402 3403 TULIP_WRITE(sc, CSR_MIIROM, val); 3404 } 3405 3406 /* 3407 * tlp_pnic_mii_readreg: 3408 * 3409 * Read a PHY register on the Lite-On PNIC. 3410 */ 3411 static int 3412 tlp_pnic_mii_readreg(struct device *self, int phy, int reg) 3413 { 3414 struct tulip_softc *sc = (void *) self; 3415 u_int32_t val; 3416 int i; 3417 3418 TULIP_WRITE(sc, CSR_PNIC_MII, 3419 PNIC_MII_MBO | PNIC_MII_RESERVED | 3420 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3421 (reg << PNIC_MII_REGSHIFT)); 3422 3423 for (i = 0; i < 1000; i++) { 3424 delay(10); 3425 val = TULIP_READ(sc, CSR_PNIC_MII); 3426 if ((val & PNIC_MII_BUSY) == 0) { 3427 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3428 return (0); 3429 else 3430 return (val & PNIC_MII_DATA); 3431 } 3432 } 3433 printf("%s: MII read timed out\n", device_xname(&sc->sc_dev)); 3434 return (0); 3435 } 3436 3437 /* 3438 * tlp_pnic_mii_writereg: 3439 * 3440 * Write a PHY register on the Lite-On PNIC. 3441 */ 3442 static void 3443 tlp_pnic_mii_writereg(struct device *self, int phy, int reg, int val) 3444 { 3445 struct tulip_softc *sc = (void *) self; 3446 int i; 3447 3448 TULIP_WRITE(sc, CSR_PNIC_MII, 3449 PNIC_MII_MBO | PNIC_MII_RESERVED | 3450 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3451 (reg << PNIC_MII_REGSHIFT) | val); 3452 3453 for (i = 0; i < 1000; i++) { 3454 delay(10); 3455 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3456 return; 3457 } 3458 printf("%s: MII write timed out\n", device_xname(&sc->sc_dev)); 3459 } 3460 3461 static const bus_addr_t tlp_al981_phy_regmap[] = { 3462 CSR_ADM_BMCR, 3463 CSR_ADM_BMSR, 3464 CSR_ADM_PHYIDR1, 3465 CSR_ADM_PHYIDR2, 3466 CSR_ADM_ANAR, 3467 CSR_ADM_ANLPAR, 3468 CSR_ADM_ANER, 3469 3470 CSR_ADM_XMC, 3471 CSR_ADM_XCIIS, 3472 CSR_ADM_XIE, 3473 CSR_ADM_100CTR, 3474 }; 3475 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3476 sizeof(tlp_al981_phy_regmap[0]); 3477 3478 /* 3479 * tlp_al981_mii_readreg: 3480 * 3481 * Read a PHY register on the ADMtek AL981. 3482 */ 3483 static int 3484 tlp_al981_mii_readreg(struct device *self, int phy, int reg) 3485 { 3486 struct tulip_softc *sc = (struct tulip_softc *)self; 3487 3488 /* AL981 only has an internal PHY. */ 3489 if (phy != 0) 3490 return (0); 3491 3492 if (reg >= tlp_al981_phy_regmap_size) 3493 return (0); 3494 3495 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3496 tlp_al981_phy_regmap[reg]) & 0xffff); 3497 } 3498 3499 /* 3500 * tlp_al981_mii_writereg: 3501 * 3502 * Write a PHY register on the ADMtek AL981. 3503 */ 3504 static void 3505 tlp_al981_mii_writereg(struct device *self, int phy, int reg, int val) 3506 { 3507 struct tulip_softc *sc = (struct tulip_softc *)self; 3508 3509 /* AL981 only has an internal PHY. */ 3510 if (phy != 0) 3511 return; 3512 3513 if (reg >= tlp_al981_phy_regmap_size) 3514 return; 3515 3516 bus_space_write_4(sc->sc_st, sc->sc_sh, 3517 tlp_al981_phy_regmap[reg], val); 3518 } 3519 3520 /***************************************************************************** 3521 * Chip-specific pre-init and reset functions. 3522 *****************************************************************************/ 3523 3524 /* 3525 * tlp_2114x_preinit: 3526 * 3527 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3528 */ 3529 static void 3530 tlp_2114x_preinit(struct tulip_softc *sc) 3531 { 3532 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3533 struct tulip_21x4x_media *tm = ife->ifm_aux; 3534 3535 /* 3536 * Whether or not we're in MII or SIA/SYM mode, the media info 3537 * contains the appropriate OPMODE bits. 3538 * 3539 * Also, we always set the Must-Be-One bit. 3540 */ 3541 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3542 3543 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3544 } 3545 3546 /* 3547 * tlp_2114x_mii_preinit: 3548 * 3549 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3550 * This version is used by boards which only have MII and don't have 3551 * an ISV SROM. 3552 */ 3553 static void 3554 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3555 { 3556 3557 /* 3558 * Always set the Must-Be-One bit, and Port Select (to select MII). 3559 * We'll never be called during a media change. 3560 */ 3561 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3562 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3563 } 3564 3565 /* 3566 * tlp_pnic_preinit: 3567 * 3568 * Pre-init function for the Lite-On 82c168 and 82c169. 3569 */ 3570 static void 3571 tlp_pnic_preinit(struct tulip_softc *sc) 3572 { 3573 3574 if (sc->sc_flags & TULIPF_HAS_MII) { 3575 /* 3576 * MII case: just set the port-select bit; we will never 3577 * be called during a media change. 3578 */ 3579 sc->sc_opmode |= OPMODE_PS; 3580 } else { 3581 /* 3582 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3583 */ 3584 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3585 } 3586 } 3587 3588 /* 3589 * tlp_asix_preinit: 3590 * 3591 * Pre-init function for the ASIX chipsets. 3592 */ 3593 static void 3594 tlp_asix_preinit(struct tulip_softc *sc) 3595 { 3596 3597 switch (sc->sc_chip) { 3598 case TULIP_CHIP_AX88140: 3599 case TULIP_CHIP_AX88141: 3600 /* XXX Handle PHY. */ 3601 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3602 break; 3603 default: 3604 /* Nothing */ 3605 break; 3606 } 3607 3608 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3609 } 3610 3611 /* 3612 * tlp_dm9102_preinit: 3613 * 3614 * Pre-init function for the Davicom DM9102. 3615 */ 3616 static void 3617 tlp_dm9102_preinit(struct tulip_softc *sc) 3618 { 3619 3620 switch (sc->sc_chip) { 3621 case TULIP_CHIP_DM9102: 3622 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3623 break; 3624 3625 case TULIP_CHIP_DM9102A: 3626 /* 3627 * XXX Figure out how to actually deal with the HomePNA 3628 * XXX portion of the DM9102A. 3629 */ 3630 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3631 break; 3632 3633 default: 3634 /* Nothing. */ 3635 break; 3636 } 3637 3638 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3639 } 3640 3641 /* 3642 * tlp_21140_reset: 3643 * 3644 * Issue a reset sequence on the 21140 via the GPIO facility. 3645 */ 3646 static void 3647 tlp_21140_reset(struct tulip_softc *sc) 3648 { 3649 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3650 struct tulip_21x4x_media *tm = ife->ifm_aux; 3651 int i; 3652 3653 /* First, set the direction on the GPIO pins. */ 3654 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3655 3656 /* Now, issue the reset sequence. */ 3657 for (i = 0; i < tm->tm_reset_length; i++) { 3658 delay(10); 3659 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3660 } 3661 3662 /* Now, issue the selection sequence. */ 3663 for (i = 0; i < tm->tm_gp_length; i++) { 3664 delay(10); 3665 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3666 } 3667 3668 /* If there were no sequences, just lower the pins. */ 3669 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3670 delay(10); 3671 TULIP_WRITE(sc, CSR_GPP, 0); 3672 } 3673 } 3674 3675 /* 3676 * tlp_21142_reset: 3677 * 3678 * Issue a reset sequence on the 21142 via the GPIO facility. 3679 */ 3680 static void 3681 tlp_21142_reset(struct tulip_softc *sc) 3682 { 3683 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3684 struct tulip_21x4x_media *tm = ife->ifm_aux; 3685 const u_int8_t *cp; 3686 int i; 3687 3688 cp = &sc->sc_srom[tm->tm_reset_offset]; 3689 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3690 delay(10); 3691 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3692 } 3693 3694 cp = &sc->sc_srom[tm->tm_gp_offset]; 3695 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3696 delay(10); 3697 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3698 } 3699 3700 /* If there were no sequences, just lower the pins. */ 3701 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3702 delay(10); 3703 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3704 } 3705 } 3706 3707 /* 3708 * tlp_pmac_reset: 3709 * 3710 * Reset routine for Macronix chips. 3711 */ 3712 static void 3713 tlp_pmac_reset(struct tulip_softc *sc) 3714 { 3715 3716 switch (sc->sc_chip) { 3717 case TULIP_CHIP_82C115: 3718 case TULIP_CHIP_MX98715: 3719 case TULIP_CHIP_MX98715A: 3720 case TULIP_CHIP_MX98725: 3721 /* 3722 * Set the LED operating mode. This information is located 3723 * in the EEPROM at byte offset 0x77, per the MX98715A and 3724 * MX98725 application notes. 3725 */ 3726 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3727 break; 3728 case TULIP_CHIP_MX98715AEC_X: 3729 /* 3730 * Set the LED operating mode. This information is located 3731 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3732 * application note. 3733 */ 3734 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3735 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3736 break; 3737 3738 default: 3739 /* Nothing. */ 3740 break; 3741 } 3742 } 3743 3744 #if 0 3745 /* 3746 * tlp_dm9102_reset: 3747 * 3748 * Reset routine for the Davicom DM9102. 3749 */ 3750 static void 3751 tlp_dm9102_reset(struct tulip_softc *sc) 3752 { 3753 3754 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3755 delay(100); 3756 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3757 } 3758 #endif 3759 3760 /***************************************************************************** 3761 * Chip/board-specific media switches. The ones here are ones that 3762 * are potentially common to multiple front-ends. 3763 *****************************************************************************/ 3764 3765 /* 3766 * This table is a common place for all sorts of media information, 3767 * keyed off of the SROM media code for that media. 3768 * 3769 * Note that we explicitly configure the 21142/21143 to always advertise 3770 * NWay capabilities when using the UTP port. 3771 * XXX Actually, we don't yet. 3772 */ 3773 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3774 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3775 "10baseT", 3776 OPMODE_TTM, 3777 BMSR_10THDX, 3778 { SIACONN_21040_10BASET, 3779 SIATXRX_21040_10BASET, 3780 SIAGEN_21040_10BASET }, 3781 3782 { SIACONN_21041_10BASET, 3783 SIATXRX_21041_10BASET, 3784 SIAGEN_21041_10BASET }, 3785 3786 { SIACONN_21142_10BASET, 3787 SIATXRX_21142_10BASET, 3788 SIAGEN_21142_10BASET } }, 3789 3790 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3791 "10base2", 3792 0, 3793 0, 3794 { 0, 3795 0, 3796 0 }, 3797 3798 { SIACONN_21041_BNC, 3799 SIATXRX_21041_BNC, 3800 SIAGEN_21041_BNC }, 3801 3802 { SIACONN_21142_BNC, 3803 SIATXRX_21142_BNC, 3804 SIAGEN_21142_BNC } }, 3805 3806 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3807 "10base5", 3808 0, 3809 0, 3810 { SIACONN_21040_AUI, 3811 SIATXRX_21040_AUI, 3812 SIAGEN_21040_AUI }, 3813 3814 { SIACONN_21041_AUI, 3815 SIATXRX_21041_AUI, 3816 SIAGEN_21041_AUI }, 3817 3818 { SIACONN_21142_AUI, 3819 SIATXRX_21142_AUI, 3820 SIAGEN_21142_AUI } }, 3821 3822 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3823 "100baseTX", 3824 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3825 BMSR_100TXHDX, 3826 { 0, 3827 0, 3828 0 }, 3829 3830 { 0, 3831 0, 3832 0 }, 3833 3834 { 0, 3835 0, 3836 SIAGEN_ABM } }, 3837 3838 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3839 "10baseT-FDX", 3840 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3841 BMSR_10TFDX, 3842 { SIACONN_21040_10BASET_FDX, 3843 SIATXRX_21040_10BASET_FDX, 3844 SIAGEN_21040_10BASET_FDX }, 3845 3846 { SIACONN_21041_10BASET_FDX, 3847 SIATXRX_21041_10BASET_FDX, 3848 SIAGEN_21041_10BASET_FDX }, 3849 3850 { SIACONN_21142_10BASET_FDX, 3851 SIATXRX_21142_10BASET_FDX, 3852 SIAGEN_21142_10BASET_FDX } }, 3853 3854 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3855 "100baseTX-FDX", 3856 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3857 BMSR_100TXFDX, 3858 { 0, 3859 0, 3860 0 }, 3861 3862 { 0, 3863 0, 3864 0 }, 3865 3866 { 0, 3867 0, 3868 SIAGEN_ABM } }, 3869 3870 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3871 "100baseT4", 3872 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3873 BMSR_100T4, 3874 { 0, 3875 0, 3876 0 }, 3877 3878 { 0, 3879 0, 3880 0 }, 3881 3882 { 0, 3883 0, 3884 SIAGEN_ABM } }, 3885 3886 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3887 "100baseFX", 3888 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3889 0, 3890 { 0, 3891 0, 3892 0 }, 3893 3894 { 0, 3895 0, 3896 0 }, 3897 3898 { 0, 3899 0, 3900 SIAGEN_ABM } }, 3901 3902 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3903 "100baseFX-FDX", 3904 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3905 0, 3906 { 0, 3907 0, 3908 0 }, 3909 3910 { 0, 3911 0, 3912 0 }, 3913 3914 { 0, 3915 0, 3916 SIAGEN_ABM } }, 3917 3918 { 0, 0, 0, 3919 NULL, 3920 0, 3921 0, 3922 { 0, 3923 0, 3924 0 }, 3925 3926 { 0, 3927 0, 3928 0 }, 3929 3930 { 0, 3931 0, 3932 0 } }, 3933 }; 3934 3935 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(u_int8_t); 3936 static void tlp_srom_media_info(struct tulip_softc *, 3937 const struct tulip_srom_to_ifmedia *, 3938 struct tulip_21x4x_media *); 3939 static void tlp_add_srom_media(struct tulip_softc *, int, 3940 void (*)(struct tulip_softc *, struct ifmediareq *), 3941 int (*)(struct tulip_softc *), const u_int8_t *, int); 3942 static void tlp_print_media(struct tulip_softc *); 3943 static void tlp_nway_activate(struct tulip_softc *, int); 3944 static void tlp_get_minst(struct tulip_softc *); 3945 3946 static const struct tulip_srom_to_ifmedia * 3947 tlp_srom_to_ifmedia(u_int8_t sm) 3948 { 3949 const struct tulip_srom_to_ifmedia *tsti; 3950 3951 for (tsti = tulip_srom_to_ifmedia_table; 3952 tsti->tsti_name != NULL; tsti++) { 3953 if (tsti->tsti_srom == sm) 3954 return (tsti); 3955 } 3956 3957 return (NULL); 3958 } 3959 3960 static void 3961 tlp_srom_media_info(struct tulip_softc *sc, 3962 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 3963 { 3964 3965 tm->tm_name = tsti->tsti_name; 3966 tm->tm_opmode = tsti->tsti_opmode; 3967 3968 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3969 3970 switch (sc->sc_chip) { 3971 case TULIP_CHIP_DE425: 3972 case TULIP_CHIP_21040: 3973 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3974 break; 3975 3976 case TULIP_CHIP_21041: 3977 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3978 break; 3979 3980 case TULIP_CHIP_21142: 3981 case TULIP_CHIP_21143: 3982 case TULIP_CHIP_82C115: 3983 case TULIP_CHIP_MX98715: 3984 case TULIP_CHIP_MX98715A: 3985 case TULIP_CHIP_MX98715AEC_X: 3986 case TULIP_CHIP_MX98725: 3987 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3988 break; 3989 3990 default: 3991 /* Nothing. */ 3992 break; 3993 } 3994 } 3995 3996 static void 3997 tlp_add_srom_media(struct tulip_softc *sc, int type, 3998 void (*get)(struct tulip_softc *, struct ifmediareq *), 3999 int (*set)(struct tulip_softc *), const u_int8_t *list, 4000 int cnt) 4001 { 4002 struct tulip_21x4x_media *tm; 4003 const struct tulip_srom_to_ifmedia *tsti; 4004 int i; 4005 4006 for (i = 0; i < cnt; i++) { 4007 tsti = tlp_srom_to_ifmedia(list[i]); 4008 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4009 tlp_srom_media_info(sc, tsti, tm); 4010 tm->tm_type = type; 4011 tm->tm_get = get; 4012 tm->tm_set = set; 4013 4014 ifmedia_add(&sc->sc_mii.mii_media, 4015 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4016 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4017 } 4018 } 4019 4020 static void 4021 tlp_print_media(struct tulip_softc *sc) 4022 { 4023 struct ifmedia_entry *ife; 4024 struct tulip_21x4x_media *tm; 4025 const char *sep = ""; 4026 4027 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 4028 4029 printf("%s: ", device_xname(&sc->sc_dev)); 4030 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4031 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4032 tm = ife->ifm_aux; 4033 if (tm == NULL) { 4034 #ifdef DIAGNOSTIC 4035 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4036 panic("tlp_print_media"); 4037 #endif 4038 PRINT("auto"); 4039 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4040 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4041 PRINT(tm->tm_name); 4042 } 4043 } 4044 printf("\n"); 4045 4046 #undef PRINT 4047 } 4048 4049 static void 4050 tlp_nway_activate(struct tulip_softc *sc, int media) 4051 { 4052 struct ifmedia_entry *ife; 4053 4054 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4055 #ifdef DIAGNOSTIC 4056 if (ife == NULL) 4057 panic("tlp_nway_activate"); 4058 #endif 4059 sc->sc_nway_active = ife; 4060 } 4061 4062 static void 4063 tlp_get_minst(struct tulip_softc *sc) 4064 { 4065 4066 if ((sc->sc_media_seen & 4067 ~((1 << TULIP_ROM_MB_21140_MII) | 4068 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4069 /* 4070 * We have not yet seen any SIA/SYM media (but are 4071 * about to; that's why we're called!), so assign 4072 * the current media instance to be the `internal media' 4073 * instance, and advance it so any MII media gets a 4074 * fresh one (used to selecting/isolating a PHY). 4075 */ 4076 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4077 } 4078 } 4079 4080 /* 4081 * SIA Utility functions. 4082 */ 4083 static void tlp_sia_update_link(struct tulip_softc *); 4084 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4085 static int tlp_sia_set(struct tulip_softc *); 4086 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4087 static void tlp_sia_fixup(struct tulip_softc *); 4088 4089 static void 4090 tlp_sia_update_link(struct tulip_softc *sc) 4091 { 4092 struct ifmedia_entry *ife; 4093 struct tulip_21x4x_media *tm; 4094 u_int32_t siastat; 4095 4096 ife = TULIP_CURRENT_MEDIA(sc); 4097 tm = ife->ifm_aux; 4098 4099 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4100 4101 siastat = TULIP_READ(sc, CSR_SIASTAT); 4102 4103 /* 4104 * Note that when we do SIA link tests, we are assuming that 4105 * the chip is really in the mode that the current media setting 4106 * reflects. If we're not, then the link tests will not be 4107 * accurate! 4108 */ 4109 switch (IFM_SUBTYPE(ife->ifm_media)) { 4110 case IFM_10_T: 4111 sc->sc_flags |= TULIPF_LINK_VALID; 4112 if ((siastat & SIASTAT_LS10) == 0) 4113 sc->sc_flags |= TULIPF_LINK_UP; 4114 break; 4115 4116 case IFM_100_TX: 4117 case IFM_100_T4: 4118 sc->sc_flags |= TULIPF_LINK_VALID; 4119 if ((siastat & SIASTAT_LS100) == 0) 4120 sc->sc_flags |= TULIPF_LINK_UP; 4121 break; 4122 } 4123 4124 switch (sc->sc_chip) { 4125 case TULIP_CHIP_21142: 4126 case TULIP_CHIP_21143: 4127 /* 4128 * On these chips, we can tell more information about 4129 * AUI/BNC. Note that the AUI/BNC selection is made 4130 * in a different register; for our purpose, it's all 4131 * AUI. 4132 */ 4133 switch (IFM_SUBTYPE(ife->ifm_media)) { 4134 case IFM_10_2: 4135 case IFM_10_5: 4136 sc->sc_flags |= TULIPF_LINK_VALID; 4137 if (siastat & SIASTAT_ARA) { 4138 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4139 sc->sc_flags |= TULIPF_LINK_UP; 4140 } 4141 break; 4142 4143 default: 4144 /* 4145 * If we're SYM media and can detect the link 4146 * via the GPIO facility, prefer that status 4147 * over LS100. 4148 */ 4149 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4150 tm->tm_actmask != 0) { 4151 sc->sc_flags = (sc->sc_flags & 4152 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4153 if (TULIP_ISSET(sc, CSR_SIAGEN, 4154 tm->tm_actmask) == tm->tm_actdata) 4155 sc->sc_flags |= TULIPF_LINK_UP; 4156 } 4157 } 4158 break; 4159 4160 default: 4161 /* Nothing. */ 4162 break; 4163 } 4164 } 4165 4166 static void 4167 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4168 { 4169 struct ifmedia_entry *ife; 4170 4171 ifmr->ifm_status = 0; 4172 4173 tlp_sia_update_link(sc); 4174 4175 ife = TULIP_CURRENT_MEDIA(sc); 4176 4177 if (sc->sc_flags & TULIPF_LINK_VALID) 4178 ifmr->ifm_status |= IFM_AVALID; 4179 if (sc->sc_flags & TULIPF_LINK_UP) 4180 ifmr->ifm_status |= IFM_ACTIVE; 4181 ifmr->ifm_active = ife->ifm_media; 4182 } 4183 4184 static void 4185 tlp_sia_fixup(struct tulip_softc *sc) 4186 { 4187 struct ifmedia_entry *ife; 4188 struct tulip_21x4x_media *tm; 4189 u_int32_t siaconn, siatxrx, siagen; 4190 4191 switch (sc->sc_chip) { 4192 case TULIP_CHIP_82C115: 4193 case TULIP_CHIP_MX98713A: 4194 case TULIP_CHIP_MX98715: 4195 case TULIP_CHIP_MX98715A: 4196 case TULIP_CHIP_MX98715AEC_X: 4197 case TULIP_CHIP_MX98725: 4198 siaconn = PMAC_SIACONN_MASK; 4199 siatxrx = PMAC_SIATXRX_MASK; 4200 siagen = PMAC_SIAGEN_MASK; 4201 break; 4202 4203 default: 4204 /* No fixups required on any other chips. */ 4205 return; 4206 } 4207 4208 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4209 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4210 tm = ife->ifm_aux; 4211 if (tm == NULL) 4212 continue; 4213 4214 tm->tm_siaconn &= siaconn; 4215 tm->tm_siatxrx &= siatxrx; 4216 tm->tm_siagen &= siagen; 4217 } 4218 } 4219 4220 static int 4221 tlp_sia_set(struct tulip_softc *sc) 4222 { 4223 4224 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4225 } 4226 4227 static int 4228 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4229 { 4230 struct tulip_21x4x_media *tm; 4231 4232 tm = ife->ifm_aux; 4233 4234 /* 4235 * XXX This appears to be necessary on a bunch of the clone chips. 4236 */ 4237 delay(20000); 4238 4239 /* 4240 * Idle the chip. 4241 */ 4242 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4243 4244 /* 4245 * Program the SIA. It's important to write in this order, 4246 * resetting the SIA first. 4247 */ 4248 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4249 delay(1000); 4250 4251 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4252 4253 switch (sc->sc_chip) { 4254 case TULIP_CHIP_21142: 4255 case TULIP_CHIP_21143: 4256 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4257 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4258 break; 4259 default: 4260 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4261 } 4262 4263 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4264 4265 /* 4266 * Set the OPMODE bits for this media and write OPMODE. 4267 * This will resume the transmit and receive processes. 4268 */ 4269 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4270 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4271 4272 return (0); 4273 } 4274 4275 /* 4276 * 21140 GPIO utility functions. 4277 */ 4278 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4279 4280 static void 4281 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4282 { 4283 struct ifmedia_entry *ife; 4284 struct tulip_21x4x_media *tm; 4285 4286 ife = TULIP_CURRENT_MEDIA(sc); 4287 tm = ife->ifm_aux; 4288 4289 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4290 4291 if (tm->tm_actmask != 0) { 4292 sc->sc_flags |= TULIPF_LINK_VALID; 4293 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4294 tm->tm_actdata) 4295 sc->sc_flags |= TULIPF_LINK_UP; 4296 } 4297 } 4298 4299 void 4300 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4301 { 4302 struct ifmedia_entry *ife; 4303 4304 ifmr->ifm_status = 0; 4305 4306 tlp_21140_gpio_update_link(sc); 4307 4308 ife = TULIP_CURRENT_MEDIA(sc); 4309 4310 if (sc->sc_flags & TULIPF_LINK_VALID) 4311 ifmr->ifm_status |= IFM_AVALID; 4312 if (sc->sc_flags & TULIPF_LINK_UP) 4313 ifmr->ifm_status |= IFM_ACTIVE; 4314 ifmr->ifm_active = ife->ifm_media; 4315 } 4316 4317 int 4318 tlp_21140_gpio_set(struct tulip_softc *sc) 4319 { 4320 struct ifmedia_entry *ife; 4321 struct tulip_21x4x_media *tm; 4322 4323 ife = TULIP_CURRENT_MEDIA(sc); 4324 tm = ife->ifm_aux; 4325 4326 /* 4327 * Idle the chip. 4328 */ 4329 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4330 4331 /* 4332 * Set the GPIO pins for this media, to flip any 4333 * relays, etc. 4334 */ 4335 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4336 delay(10); 4337 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4338 4339 /* 4340 * Set the OPMODE bits for this media and write OPMODE. 4341 * This will resume the transmit and receive processes. 4342 */ 4343 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4344 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4345 4346 return (0); 4347 } 4348 4349 /* 4350 * 21040 and 21041 media switches. 4351 */ 4352 static void tlp_21040_tmsw_init(struct tulip_softc *); 4353 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4354 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4355 static void tlp_21041_tmsw_init(struct tulip_softc *); 4356 4357 const struct tulip_mediasw tlp_21040_mediasw = { 4358 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4359 }; 4360 4361 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4362 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4363 }; 4364 4365 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4366 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4367 }; 4368 4369 const struct tulip_mediasw tlp_21041_mediasw = { 4370 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4371 }; 4372 4373 static void 4374 tlp_21040_tmsw_init(struct tulip_softc *sc) 4375 { 4376 static const u_int8_t media[] = { 4377 TULIP_ROM_MB_MEDIA_TP, 4378 TULIP_ROM_MB_MEDIA_TP_FDX, 4379 TULIP_ROM_MB_MEDIA_AUI, 4380 }; 4381 struct tulip_21x4x_media *tm; 4382 4383 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4384 tlp_mediastatus); 4385 4386 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4387 4388 /* 4389 * No SROM type for External SIA. 4390 */ 4391 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4392 tm->tm_name = "manual"; 4393 tm->tm_opmode = 0; 4394 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4395 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4396 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4397 ifmedia_add(&sc->sc_mii.mii_media, 4398 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4399 4400 /* 4401 * XXX Autosense not yet supported. 4402 */ 4403 4404 /* XXX This should be auto-sense. */ 4405 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4406 4407 tlp_print_media(sc); 4408 } 4409 4410 static void 4411 tlp_21040_tp_tmsw_init(struct tulip_softc *sc) 4412 { 4413 static const u_int8_t media[] = { 4414 TULIP_ROM_MB_MEDIA_TP, 4415 TULIP_ROM_MB_MEDIA_TP_FDX, 4416 }; 4417 4418 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4419 tlp_mediastatus); 4420 4421 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4422 4423 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4424 4425 tlp_print_media(sc); 4426 } 4427 4428 static void 4429 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4430 { 4431 static const u_int8_t media[] = { 4432 TULIP_ROM_MB_MEDIA_AUI, 4433 }; 4434 4435 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4436 tlp_mediastatus); 4437 4438 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4439 4440 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4441 4442 tlp_print_media(sc); 4443 } 4444 4445 static void 4446 tlp_21041_tmsw_init(struct tulip_softc *sc) 4447 { 4448 static const u_int8_t media[] = { 4449 TULIP_ROM_MB_MEDIA_TP, 4450 TULIP_ROM_MB_MEDIA_TP_FDX, 4451 TULIP_ROM_MB_MEDIA_BNC, 4452 TULIP_ROM_MB_MEDIA_AUI, 4453 }; 4454 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4455 const struct tulip_srom_to_ifmedia *tsti; 4456 struct tulip_21x4x_media *tm; 4457 u_int16_t romdef; 4458 u_int8_t mb; 4459 4460 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4461 tlp_mediastatus); 4462 4463 if (tlp_isv_srom(sc->sc_srom) == 0) { 4464 not_isv_srom: 4465 /* 4466 * If we have a board without the standard 21041 SROM format, 4467 * we just assume all media are present and try and pick a 4468 * reasonable default. 4469 */ 4470 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4471 4472 /* 4473 * XXX Autosense not yet supported. 4474 */ 4475 4476 /* XXX This should be auto-sense. */ 4477 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4478 4479 tlp_print_media(sc); 4480 return; 4481 } 4482 4483 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4484 for (i = 0; i < devcnt; i++) { 4485 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4486 break; 4487 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4488 sc->sc_devno) 4489 break; 4490 } 4491 4492 if (i == devcnt) 4493 goto not_isv_srom; 4494 4495 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4496 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4497 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4498 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4499 4500 for (; m_cnt != 0; 4501 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4502 mb = sc->sc_srom[mb_offset]; 4503 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4504 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4505 case TULIP_ROM_MB_MEDIA_TP_FDX: 4506 case TULIP_ROM_MB_MEDIA_TP: 4507 case TULIP_ROM_MB_MEDIA_BNC: 4508 case TULIP_ROM_MB_MEDIA_AUI: 4509 tsti = tlp_srom_to_ifmedia(mb & 4510 TULIP_ROM_MB_MEDIA_CODE); 4511 4512 tlp_srom_media_info(sc, tsti, tm); 4513 4514 /* 4515 * Override our default SIA settings if the 4516 * SROM contains its own. 4517 */ 4518 if (mb & TULIP_ROM_MB_EXT) { 4519 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4520 mb_offset + TULIP_ROM_MB_CSR13); 4521 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4522 mb_offset + TULIP_ROM_MB_CSR14); 4523 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4524 mb_offset + TULIP_ROM_MB_CSR15); 4525 } 4526 4527 ifmedia_add(&sc->sc_mii.mii_media, 4528 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4529 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4530 break; 4531 4532 default: 4533 printf("%s: unknown media code 0x%02x\n", 4534 device_xname(&sc->sc_dev), 4535 mb & TULIP_ROM_MB_MEDIA_CODE); 4536 free(tm, M_DEVBUF); 4537 } 4538 } 4539 4540 /* 4541 * XXX Autosense not yet supported. 4542 */ 4543 4544 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4545 TULIP_ROM_IL_SELECT_CONN_TYPE); 4546 switch (romdef) { 4547 case SELECT_CONN_TYPE_TP: 4548 case SELECT_CONN_TYPE_TP_AUTONEG: 4549 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4550 defmedia = IFM_ETHER|IFM_10_T; 4551 break; 4552 4553 case SELECT_CONN_TYPE_TP_FDX: 4554 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4555 break; 4556 4557 case SELECT_CONN_TYPE_BNC: 4558 defmedia = IFM_ETHER|IFM_10_2; 4559 break; 4560 4561 case SELECT_CONN_TYPE_AUI: 4562 defmedia = IFM_ETHER|IFM_10_5; 4563 break; 4564 #if 0 /* XXX */ 4565 case SELECT_CONN_TYPE_ASENSE: 4566 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4567 defmedia = IFM_ETHER|IFM_AUTO; 4568 break; 4569 #endif 4570 default: 4571 defmedia = 0; 4572 } 4573 4574 if (defmedia == 0) { 4575 /* 4576 * XXX We should default to auto-sense. 4577 */ 4578 defmedia = IFM_ETHER|IFM_10_T; 4579 } 4580 4581 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4582 4583 tlp_print_media(sc); 4584 } 4585 4586 /* 4587 * DECchip 2114x ISV media switch. 4588 */ 4589 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4590 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4591 struct ifmediareq *); 4592 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4593 4594 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4595 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4596 }; 4597 4598 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4599 static int tlp_2114x_nway_set(struct tulip_softc *); 4600 4601 static void tlp_2114x_nway_statchg(struct device *); 4602 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4603 static void tlp_2114x_nway_auto(struct tulip_softc *); 4604 static void tlp_2114x_nway_status(struct tulip_softc *); 4605 4606 static void 4607 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4608 { 4609 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4610 struct ifmedia_entry *ife; 4611 struct mii_softc *phy; 4612 struct tulip_21x4x_media *tm; 4613 const struct tulip_srom_to_ifmedia *tsti; 4614 int i, devcnt, leaf_offset, m_cnt, type, length; 4615 int defmedia, miidef; 4616 u_int16_t word; 4617 u_int8_t *cp, *ncp; 4618 4619 defmedia = miidef = 0; 4620 4621 sc->sc_mii.mii_ifp = ifp; 4622 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4623 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4624 sc->sc_mii.mii_statchg = sc->sc_statchg; 4625 4626 /* 4627 * Ignore `instance'; we may get a mixture of SIA and MII 4628 * media, and `instance' is used to isolate or select the 4629 * PHY on the MII as appropriate. Note that duplicate media 4630 * are disallowed, so ignoring `instance' is safe. 4631 */ 4632 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4633 tlp_mediastatus); 4634 4635 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4636 for (i = 0; i < devcnt; i++) { 4637 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4638 break; 4639 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4640 sc->sc_devno) 4641 break; 4642 } 4643 4644 if (i == devcnt) { 4645 aprint_error_dev(&sc->sc_dev, "unable to locate info leaf in SROM\n"); 4646 return; 4647 } 4648 4649 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4650 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4651 4652 /* XXX SELECT CONN TYPE */ 4653 4654 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4655 4656 /* 4657 * On some chips, the first thing in the Info Leaf is the 4658 * GPIO pin direction data. 4659 */ 4660 switch (sc->sc_chip) { 4661 case TULIP_CHIP_21140: 4662 case TULIP_CHIP_21140A: 4663 case TULIP_CHIP_MX98713: 4664 case TULIP_CHIP_AX88140: 4665 case TULIP_CHIP_AX88141: 4666 sc->sc_gp_dir = *cp++; 4667 break; 4668 4669 default: 4670 /* Nothing. */ 4671 break; 4672 } 4673 4674 /* Get the media count. */ 4675 m_cnt = *cp++; 4676 4677 if (m_cnt == 0) { 4678 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4679 (*sc->sc_mediasw->tmsw_init)(sc); 4680 return; 4681 } 4682 4683 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4684 /* 4685 * Determine the type and length of this media block. 4686 * The 21143 is spec'd to always use extended format blocks, 4687 * but some cards don't set the bit to indicate this. 4688 * Hopefully there are no cards which really don't use 4689 * extended format blocks. 4690 */ 4691 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4692 length = 4; 4693 type = TULIP_ROM_MB_21140_GPR; 4694 } else { 4695 length = (*cp++ & 0x7f) - 1; 4696 type = *cp++ & 0x3f; 4697 } 4698 4699 /* Compute the start of the next block. */ 4700 ncp = cp + length; 4701 4702 /* Now, parse the block. */ 4703 switch (type) { 4704 case TULIP_ROM_MB_21140_GPR: 4705 tlp_get_minst(sc); 4706 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4707 4708 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4709 4710 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4711 tm->tm_get = tlp_21140_gpio_get; 4712 tm->tm_set = tlp_21140_gpio_set; 4713 4714 /* First is the media type code. */ 4715 tsti = tlp_srom_to_ifmedia(cp[0] & 4716 TULIP_ROM_MB_MEDIA_CODE); 4717 if (tsti == NULL) { 4718 /* Invalid media code. */ 4719 free(tm, M_DEVBUF); 4720 break; 4721 } 4722 4723 /* Get defaults. */ 4724 tlp_srom_media_info(sc, tsti, tm); 4725 4726 /* Next is any GPIO info for this media. */ 4727 tm->tm_gpdata = cp[1]; 4728 4729 /* 4730 * Next is a word containing OPMODE information 4731 * and info on how to detect if this media is 4732 * active. 4733 */ 4734 word = TULIP_ROM_GETW(cp, 2); 4735 tm->tm_opmode &= OPMODE_FD; 4736 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4737 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4738 tm->tm_actmask = 4739 TULIP_ROM_MB_BITPOS(word); 4740 tm->tm_actdata = 4741 (word & TULIP_ROM_MB_POLARITY) ? 4742 0 : tm->tm_actmask; 4743 } 4744 4745 ifmedia_add(&sc->sc_mii.mii_media, 4746 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4747 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4748 break; 4749 4750 case TULIP_ROM_MB_21140_MII: 4751 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4752 4753 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4754 4755 tm->tm_type = TULIP_ROM_MB_21140_MII; 4756 tm->tm_get = tlp_mii_getmedia; 4757 tm->tm_set = tlp_mii_setmedia; 4758 tm->tm_opmode = OPMODE_PS; 4759 4760 if (sc->sc_reset == NULL) 4761 sc->sc_reset = tlp_21140_reset; 4762 4763 /* First is the PHY number. */ 4764 tm->tm_phyno = *cp++; 4765 4766 /* Next is the MII select sequence length and offset. */ 4767 tm->tm_gp_length = *cp++; 4768 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4769 cp += tm->tm_gp_length; 4770 4771 /* Next is the MII reset sequence length and offset. */ 4772 tm->tm_reset_length = *cp++; 4773 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4774 cp += tm->tm_reset_length; 4775 4776 /* 4777 * The following items are left in the media block 4778 * that we don't particularly care about: 4779 * 4780 * capabilities W 4781 * advertisement W 4782 * full duplex W 4783 * tx threshold W 4784 * 4785 * These appear to be bits in the PHY registers, 4786 * which our MII code handles on its own. 4787 */ 4788 4789 /* 4790 * Before we probe the MII bus, we need to reset 4791 * it and issue the selection sequence. 4792 */ 4793 4794 /* Set the direction of the pins... */ 4795 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4796 4797 for (i = 0; i < tm->tm_reset_length; i++) { 4798 delay(10); 4799 TULIP_WRITE(sc, CSR_GPP, 4800 sc->sc_srom[tm->tm_reset_offset + i]); 4801 } 4802 4803 for (i = 0; i < tm->tm_gp_length; i++) { 4804 delay(10); 4805 TULIP_WRITE(sc, CSR_GPP, 4806 sc->sc_srom[tm->tm_gp_offset + i]); 4807 } 4808 4809 /* If there were no sequences, just lower the pins. */ 4810 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4811 delay(10); 4812 TULIP_WRITE(sc, CSR_GPP, 0); 4813 } 4814 4815 /* 4816 * Now, probe the MII for the PHY. Note, we know 4817 * the location of the PHY on the bus, but we don't 4818 * particularly care; the MII code just likes to 4819 * search the whole thing anyhow. 4820 */ 4821 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4822 MII_PHY_ANY, tm->tm_phyno, 0); 4823 4824 /* 4825 * Now, search for the PHY we hopefully just 4826 * configured. If it's not configured into the 4827 * kernel, we lose. The PHY's default media always 4828 * takes priority. 4829 */ 4830 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4831 phy != NULL; 4832 phy = LIST_NEXT(phy, mii_list)) 4833 if (phy->mii_offset == tm->tm_phyno) 4834 break; 4835 if (phy == NULL) { 4836 aprint_error_dev(&sc->sc_dev, "unable to configure MII\n"); 4837 break; 4838 } 4839 4840 sc->sc_flags |= TULIPF_HAS_MII; 4841 sc->sc_tick = tlp_mii_tick; 4842 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4843 phy->mii_inst); 4844 4845 /* 4846 * Okay, now that we've found the PHY and the MII 4847 * layer has added all of the media associated 4848 * with that PHY, we need to traverse the media 4849 * list, and add our `tm' to each entry's `aux' 4850 * pointer. 4851 * 4852 * We do this by looking for media with our 4853 * PHY's `instance'. 4854 */ 4855 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4856 ife != NULL; 4857 ife = TAILQ_NEXT(ife, ifm_list)) { 4858 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4859 continue; 4860 ife->ifm_aux = tm; 4861 } 4862 break; 4863 4864 case TULIP_ROM_MB_21142_SIA: 4865 tlp_get_minst(sc); 4866 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4867 4868 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4869 4870 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4871 tm->tm_get = tlp_sia_get; 4872 tm->tm_set = tlp_sia_set; 4873 4874 /* First is the media type code. */ 4875 tsti = tlp_srom_to_ifmedia(cp[0] & 4876 TULIP_ROM_MB_MEDIA_CODE); 4877 if (tsti == NULL) { 4878 /* Invalid media code. */ 4879 free(tm, M_DEVBUF); 4880 break; 4881 } 4882 4883 /* Get defaults. */ 4884 tlp_srom_media_info(sc, tsti, tm); 4885 4886 /* 4887 * Override our default SIA settings if the 4888 * SROM contains its own. 4889 */ 4890 if (cp[0] & 0x40) { 4891 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4892 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4893 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4894 cp += 7; 4895 } else 4896 cp++; 4897 4898 /* Next is GPIO control/data. */ 4899 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4900 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4901 4902 ifmedia_add(&sc->sc_mii.mii_media, 4903 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4904 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4905 break; 4906 4907 case TULIP_ROM_MB_21142_MII: 4908 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4909 4910 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4911 4912 tm->tm_type = TULIP_ROM_MB_21142_MII; 4913 tm->tm_get = tlp_mii_getmedia; 4914 tm->tm_set = tlp_mii_setmedia; 4915 tm->tm_opmode = OPMODE_PS; 4916 4917 if (sc->sc_reset == NULL) 4918 sc->sc_reset = tlp_21142_reset; 4919 4920 /* First is the PHY number. */ 4921 tm->tm_phyno = *cp++; 4922 4923 /* Next is the MII select sequence length and offset. */ 4924 tm->tm_gp_length = *cp++; 4925 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4926 cp += tm->tm_gp_length * 2; 4927 4928 /* Next is the MII reset sequence length and offset. */ 4929 tm->tm_reset_length = *cp++; 4930 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4931 cp += tm->tm_reset_length * 2; 4932 4933 /* 4934 * The following items are left in the media block 4935 * that we don't particularly care about: 4936 * 4937 * capabilities W 4938 * advertisement W 4939 * full duplex W 4940 * tx threshold W 4941 * MII interrupt W 4942 * 4943 * These appear to be bits in the PHY registers, 4944 * which our MII code handles on its own. 4945 */ 4946 4947 /* 4948 * Before we probe the MII bus, we need to reset 4949 * it and issue the selection sequence. 4950 */ 4951 4952 cp = &sc->sc_srom[tm->tm_reset_offset]; 4953 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4954 delay(10); 4955 TULIP_WRITE(sc, CSR_SIAGEN, 4956 TULIP_ROM_GETW(cp, 0) << 16); 4957 } 4958 4959 cp = &sc->sc_srom[tm->tm_gp_offset]; 4960 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4961 delay(10); 4962 TULIP_WRITE(sc, CSR_SIAGEN, 4963 TULIP_ROM_GETW(cp, 0) << 16); 4964 } 4965 4966 /* If there were no sequences, just lower the pins. */ 4967 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4968 delay(10); 4969 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4970 } 4971 4972 /* 4973 * Now, probe the MII for the PHY. Note, we know 4974 * the location of the PHY on the bus, but we don't 4975 * particularly care; the MII code just likes to 4976 * search the whole thing anyhow. 4977 */ 4978 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4979 MII_PHY_ANY, tm->tm_phyno, 0); 4980 4981 /* 4982 * Now, search for the PHY we hopefully just 4983 * configured. If it's not configured into the 4984 * kernel, we lose. The PHY's default media always 4985 * takes priority. 4986 */ 4987 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4988 phy != NULL; 4989 phy = LIST_NEXT(phy, mii_list)) 4990 if (phy->mii_offset == tm->tm_phyno) 4991 break; 4992 if (phy == NULL) { 4993 aprint_error_dev(&sc->sc_dev, "unable to configure MII\n"); 4994 break; 4995 } 4996 4997 sc->sc_flags |= TULIPF_HAS_MII; 4998 sc->sc_tick = tlp_mii_tick; 4999 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 5000 phy->mii_inst); 5001 5002 /* 5003 * Okay, now that we've found the PHY and the MII 5004 * layer has added all of the media associated 5005 * with that PHY, we need to traverse the media 5006 * list, and add our `tm' to each entry's `aux' 5007 * pointer. 5008 * 5009 * We do this by looking for media with our 5010 * PHY's `instance'. 5011 */ 5012 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5013 ife != NULL; 5014 ife = TAILQ_NEXT(ife, ifm_list)) { 5015 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 5016 continue; 5017 ife->ifm_aux = tm; 5018 } 5019 break; 5020 5021 case TULIP_ROM_MB_21143_SYM: 5022 tlp_get_minst(sc); 5023 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5024 5025 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5026 5027 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5028 tm->tm_get = tlp_sia_get; 5029 tm->tm_set = tlp_sia_set; 5030 5031 /* First is the media type code. */ 5032 tsti = tlp_srom_to_ifmedia(cp[0] & 5033 TULIP_ROM_MB_MEDIA_CODE); 5034 if (tsti == NULL) { 5035 /* Invalid media code. */ 5036 free(tm, M_DEVBUF); 5037 break; 5038 } 5039 5040 /* Get defaults. */ 5041 tlp_srom_media_info(sc, tsti, tm); 5042 5043 /* Next is GPIO control/data. */ 5044 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5045 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5046 5047 /* 5048 * Next is a word containing OPMODE information 5049 * and info on how to detect if this media is 5050 * active. 5051 */ 5052 word = TULIP_ROM_GETW(cp, 5); 5053 tm->tm_opmode &= OPMODE_FD; 5054 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5055 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5056 tm->tm_actmask = 5057 TULIP_ROM_MB_BITPOS(word); 5058 tm->tm_actdata = 5059 (word & TULIP_ROM_MB_POLARITY) ? 5060 0 : tm->tm_actmask; 5061 } 5062 5063 ifmedia_add(&sc->sc_mii.mii_media, 5064 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5065 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5066 break; 5067 5068 case TULIP_ROM_MB_21143_RESET: 5069 printf("%s: 21143 reset block\n", device_xname(&sc->sc_dev)); 5070 break; 5071 5072 default: 5073 printf("%s: unknown ISV media block type 0x%02x\n", 5074 device_xname(&sc->sc_dev), type); 5075 } 5076 } 5077 5078 /* 5079 * Deal with the case where no media is configured. 5080 */ 5081 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5082 printf("%s: no media found!\n", device_xname(&sc->sc_dev)); 5083 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5084 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5085 return; 5086 } 5087 5088 /* 5089 * Pick the default media. 5090 */ 5091 if (miidef != 0) 5092 defmedia = miidef; 5093 else { 5094 switch (sc->sc_chip) { 5095 case TULIP_CHIP_21140: 5096 case TULIP_CHIP_21140A: 5097 /* XXX should come from SROM */ 5098 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5099 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5100 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5101 /* 5102 * There is not a 10baseT media. 5103 * Fall back to the first found one. 5104 */ 5105 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5106 defmedia = ife->ifm_media; 5107 } 5108 break; 5109 5110 case TULIP_CHIP_21142: 5111 case TULIP_CHIP_21143: 5112 case TULIP_CHIP_MX98713A: 5113 case TULIP_CHIP_MX98715: 5114 case TULIP_CHIP_MX98715A: 5115 case TULIP_CHIP_MX98715AEC_X: 5116 case TULIP_CHIP_MX98725: 5117 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5118 tm->tm_name = "auto"; 5119 tm->tm_get = tlp_2114x_nway_get; 5120 tm->tm_set = tlp_2114x_nway_set; 5121 5122 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5123 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5124 5125 sc->sc_statchg = tlp_2114x_nway_statchg; 5126 sc->sc_tick = tlp_2114x_nway_tick; 5127 break; 5128 5129 default: 5130 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5131 break; 5132 } 5133 } 5134 5135 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5136 5137 /* 5138 * Display any non-MII media we've located. 5139 */ 5140 if (sc->sc_media_seen & 5141 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5142 tlp_print_media(sc); 5143 5144 tlp_sia_fixup(sc); 5145 } 5146 5147 static void 5148 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5149 { 5150 5151 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5152 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5153 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5154 } 5155 5156 static int 5157 tlp_2114x_nway_set(struct tulip_softc *sc) 5158 { 5159 5160 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5161 } 5162 5163 static void 5164 tlp_2114x_nway_statchg(struct device *self) 5165 { 5166 struct tulip_softc *sc = (struct tulip_softc *)self; 5167 struct mii_data *mii = &sc->sc_mii; 5168 struct ifmedia_entry *ife; 5169 5170 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5171 return; 5172 5173 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5174 mii->mii_media.ifm_mask)) == NULL) { 5175 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5176 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5177 panic("tlp_2114x_nway_statchg"); 5178 } 5179 5180 tlp_sia_media(sc, ife); 5181 } 5182 5183 static void 5184 tlp_2114x_nway_tick(void *arg) 5185 { 5186 struct tulip_softc *sc = arg; 5187 struct mii_data *mii = &sc->sc_mii; 5188 int s, ticks; 5189 5190 if (!device_is_active(&sc->sc_dev)) 5191 return; 5192 5193 s = splnet(); 5194 tlp_2114x_nway_service(sc, MII_TICK); 5195 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5196 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5197 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5198 sc->sc_flags |= TULIPF_LINK_UP; 5199 tlp_start(&sc->sc_ethercom.ec_if); 5200 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5201 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5202 sc->sc_flags &= ~TULIPF_LINK_UP; 5203 } 5204 splx(s); 5205 5206 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5207 ticks = hz >> 3; 5208 else 5209 ticks = hz; 5210 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5211 } 5212 5213 /* 5214 * Support for the 2114X internal NWay block. This is constructed 5215 * somewhat like a PHY driver for simplicity. 5216 */ 5217 5218 static int 5219 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5220 { 5221 struct mii_data *mii = &sc->sc_mii; 5222 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5223 5224 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5225 return (0); 5226 5227 switch (cmd) { 5228 case MII_POLLSTAT: 5229 /* Nothing special to do here. */ 5230 break; 5231 5232 case MII_MEDIACHG: 5233 switch (IFM_SUBTYPE(ife->ifm_media)) { 5234 case IFM_AUTO: 5235 goto restart; 5236 default: 5237 /* Manual setting doesn't go through here. */ 5238 printf("tlp_2114x_nway_service: oops!\n"); 5239 return (EINVAL); 5240 } 5241 break; 5242 5243 case MII_TICK: 5244 /* 5245 * Only used for autonegotiation. 5246 */ 5247 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5248 break; 5249 5250 /* 5251 * Check to see if we have link. If we do, we don't 5252 * need to restart the autonegotiation process. 5253 */ 5254 #if 0 5255 if (mii->mii_media_status & IFM_ACTIVE) 5256 #else 5257 if (sc->sc_flags & TULIPF_LINK_UP) 5258 #endif 5259 break; 5260 5261 /* 5262 * Only retry autonegotiation every 5 seconds. 5263 */ 5264 if (++sc->sc_nway_ticks != (5 << 3)) 5265 break; 5266 5267 restart: 5268 sc->sc_nway_ticks = 0; 5269 ife->ifm_data = IFM_NONE; 5270 tlp_2114x_nway_auto(sc); 5271 break; 5272 } 5273 5274 /* Update the media status. */ 5275 tlp_2114x_nway_status(sc); 5276 5277 /* 5278 * Callback if something changed. Manually configuration goes through 5279 * tlp_sia_set() anyway, so ignore that here. 5280 */ 5281 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5282 ife->ifm_data != mii->mii_media_active) { 5283 (*sc->sc_statchg)(&sc->sc_dev); 5284 ife->ifm_data = mii->mii_media_active; 5285 } 5286 return (0); 5287 } 5288 5289 static void 5290 tlp_2114x_nway_auto(struct tulip_softc *sc) 5291 { 5292 uint32_t siastat, siatxrx; 5293 5294 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5295 5296 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5297 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5298 siatxrx = 0xffbf; /* XXX magic number */ 5299 5300 /* Compute the link code word to advertise. */ 5301 if (sc->sc_sia_cap & BMSR_100T4) 5302 siatxrx |= SIATXRX_T4; 5303 if (sc->sc_sia_cap & BMSR_100TXFDX) 5304 siatxrx |= SIATXRX_TXF; 5305 if (sc->sc_sia_cap & BMSR_100TXHDX) 5306 siatxrx |= SIATXRX_THX; 5307 if (sc->sc_sia_cap & BMSR_10TFDX) 5308 sc->sc_opmode |= OPMODE_FD; 5309 if (sc->sc_sia_cap & BMSR_10THDX) 5310 siatxrx |= SIATXRX_TH; 5311 5312 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5313 5314 TULIP_WRITE(sc, CSR_SIACONN, 0); 5315 delay(1000); 5316 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5317 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5318 5319 siastat = TULIP_READ(sc, CSR_SIASTAT); 5320 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5321 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5322 siastat |= SIASTAT_ANS_TXDIS; 5323 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5324 } 5325 5326 static void 5327 tlp_2114x_nway_status(struct tulip_softc *sc) 5328 { 5329 struct mii_data *mii = &sc->sc_mii; 5330 uint32_t siatxrx, siastat, anlpar; 5331 5332 mii->mii_media_status = IFM_AVALID; 5333 mii->mii_media_active = IFM_ETHER; 5334 5335 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5336 return; 5337 5338 siastat = TULIP_READ(sc, CSR_SIASTAT); 5339 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5340 5341 if (siatxrx & SIATXRX_ANE) { 5342 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5343 /* Erg, still trying, I guess... */ 5344 mii->mii_media_active |= IFM_NONE; 5345 return; 5346 } 5347 5348 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5349 mii->mii_media_status |= IFM_ACTIVE; 5350 5351 if (siastat & SIASTAT_LPN) { 5352 anlpar = SIASTAT_GETLPC(siastat); 5353 if (anlpar & ANLPAR_T4 && 5354 sc->sc_sia_cap & BMSR_100T4) 5355 mii->mii_media_active |= IFM_100_T4; 5356 else if (anlpar & ANLPAR_TX_FD && 5357 sc->sc_sia_cap & BMSR_100TXFDX) 5358 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5359 else if (anlpar & ANLPAR_TX && 5360 sc->sc_sia_cap & BMSR_100TXHDX) 5361 mii->mii_media_active |= IFM_100_TX; 5362 else if (anlpar & ANLPAR_10_FD && 5363 sc->sc_sia_cap & BMSR_10TFDX) 5364 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5365 else if (anlpar & ANLPAR_10 && 5366 sc->sc_sia_cap & BMSR_10THDX) 5367 mii->mii_media_active |= IFM_10_T; 5368 else 5369 mii->mii_media_active |= IFM_NONE; 5370 } else { 5371 /* 5372 * If the other side doesn't support NWAY, then the 5373 * best we can do is determine if we have a 10Mbps or 5374 * 100Mbps link. There's no way to know if the link 5375 * is full or half duplex, so we default to half duplex 5376 * and hope that the user is clever enough to manually 5377 * change the media settings if we're wrong. 5378 */ 5379 if ((siastat & SIASTAT_LS100) == 0) 5380 mii->mii_media_active |= IFM_100_TX; 5381 else if ((siastat & SIASTAT_LS10) == 0) 5382 mii->mii_media_active |= IFM_10_T; 5383 else 5384 mii->mii_media_active |= IFM_NONE; 5385 } 5386 } else { 5387 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5388 mii->mii_media_status |= IFM_ACTIVE; 5389 5390 if (sc->sc_opmode & OPMODE_TTM) 5391 mii->mii_media_active |= IFM_10_T; 5392 else 5393 mii->mii_media_active |= IFM_100_TX; 5394 if (sc->sc_opmode & OPMODE_FD) 5395 mii->mii_media_active |= IFM_FDX; 5396 } 5397 } 5398 5399 static void 5400 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5401 { 5402 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5403 struct tulip_21x4x_media *tm = ife->ifm_aux; 5404 5405 (*tm->tm_get)(sc, ifmr); 5406 } 5407 5408 static int 5409 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5410 { 5411 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5412 struct tulip_21x4x_media *tm = ife->ifm_aux; 5413 5414 /* 5415 * Check to see if we need to reset the chip, and do it. The 5416 * reset path will get the OPMODE register right the next 5417 * time through. 5418 */ 5419 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5420 return (tlp_init(&sc->sc_ethercom.ec_if)); 5421 5422 return ((*tm->tm_set)(sc)); 5423 } 5424 5425 /* 5426 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5427 */ 5428 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5429 5430 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5431 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5432 }; 5433 5434 static void 5435 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5436 { 5437 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5438 5439 /* 5440 * We don't attach any media info structures to the ifmedia 5441 * entries, so if we're using a pre-init function that needs 5442 * that info, override it to one that doesn't. 5443 */ 5444 if (sc->sc_preinit == tlp_2114x_preinit) 5445 sc->sc_preinit = tlp_2114x_mii_preinit; 5446 5447 sc->sc_mii.mii_ifp = ifp; 5448 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5449 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5450 sc->sc_mii.mii_statchg = sc->sc_statchg; 5451 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5452 tlp_mediastatus); 5453 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5454 MII_OFFSET_ANY, 0); 5455 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5456 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5457 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5458 } else { 5459 sc->sc_flags |= TULIPF_HAS_MII; 5460 sc->sc_tick = tlp_mii_tick; 5461 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5462 } 5463 } 5464 5465 /* 5466 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5467 */ 5468 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5469 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5470 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5471 5472 const struct tulip_mediasw tlp_pnic_mediasw = { 5473 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5474 }; 5475 5476 static void tlp_pnic_nway_statchg(struct device *); 5477 static void tlp_pnic_nway_tick(void *); 5478 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5479 static void tlp_pnic_nway_reset(struct tulip_softc *); 5480 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5481 static void tlp_pnic_nway_auto_timeout(void *); 5482 static void tlp_pnic_nway_status(struct tulip_softc *); 5483 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5484 5485 static void 5486 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5487 { 5488 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5489 const char *sep = ""; 5490 5491 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5492 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5493 5494 sc->sc_mii.mii_ifp = ifp; 5495 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5496 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5497 sc->sc_mii.mii_statchg = sc->sc_statchg; 5498 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5499 tlp_mediastatus); 5500 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5501 MII_OFFSET_ANY, 0); 5502 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5503 /* XXX What about AUI/BNC support? */ 5504 printf("%s: ", device_xname(&sc->sc_dev)); 5505 5506 tlp_pnic_nway_reset(sc); 5507 5508 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5509 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5510 PRINT("10baseT"); 5511 5512 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5513 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5514 PRINT("10baseT-FDX"); 5515 5516 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5517 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5518 PRINT("100baseTX"); 5519 5520 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5521 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5522 PNIC_NWAY_CAP100TXFDX); 5523 PRINT("100baseTX-FDX"); 5524 5525 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5526 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5527 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5528 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5529 PRINT("auto"); 5530 5531 printf("\n"); 5532 5533 sc->sc_statchg = tlp_pnic_nway_statchg; 5534 sc->sc_tick = tlp_pnic_nway_tick; 5535 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5536 } else { 5537 sc->sc_flags |= TULIPF_HAS_MII; 5538 sc->sc_tick = tlp_mii_tick; 5539 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5540 } 5541 5542 #undef ADD 5543 #undef PRINT 5544 } 5545 5546 static void 5547 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5548 { 5549 struct mii_data *mii = &sc->sc_mii; 5550 5551 if (sc->sc_flags & TULIPF_HAS_MII) 5552 tlp_mii_getmedia(sc, ifmr); 5553 else { 5554 mii->mii_media_status = 0; 5555 mii->mii_media_active = IFM_NONE; 5556 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5557 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5558 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5559 } 5560 } 5561 5562 static int 5563 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5564 { 5565 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5566 struct mii_data *mii = &sc->sc_mii; 5567 5568 if (sc->sc_flags & TULIPF_HAS_MII) { 5569 /* 5570 * Make sure the built-in Tx jabber timer is disabled. 5571 */ 5572 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5573 5574 return (tlp_mii_setmedia(sc)); 5575 } 5576 5577 if (ifp->if_flags & IFF_UP) { 5578 mii->mii_media_status = 0; 5579 mii->mii_media_active = IFM_NONE; 5580 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5581 } 5582 5583 return (0); 5584 } 5585 5586 static void 5587 tlp_pnic_nway_statchg(struct device *self) 5588 { 5589 struct tulip_softc *sc = (struct tulip_softc *)self; 5590 5591 /* Idle the transmit and receive processes. */ 5592 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5593 5594 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5595 OPMODE_SCR|OPMODE_HBD); 5596 5597 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5598 sc->sc_opmode |= OPMODE_TTM; 5599 TULIP_WRITE(sc, CSR_GPP, 5600 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5601 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5602 } else { 5603 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5604 TULIP_WRITE(sc, CSR_GPP, 5605 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5606 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5607 } 5608 5609 if (sc->sc_mii.mii_media_active & IFM_FDX) 5610 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5611 5612 /* 5613 * Write new OPMODE bits. This also restarts the transmit 5614 * and receive processes. 5615 */ 5616 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5617 } 5618 5619 static void 5620 tlp_pnic_nway_tick(void *arg) 5621 { 5622 struct tulip_softc *sc = arg; 5623 int s; 5624 5625 if (!device_is_active(&sc->sc_dev)) 5626 return; 5627 5628 s = splnet(); 5629 tlp_pnic_nway_service(sc, MII_TICK); 5630 splx(s); 5631 5632 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5633 } 5634 5635 /* 5636 * Support for the Lite-On PNIC internal NWay block. This is constructed 5637 * somewhat like a PHY driver for simplicity. 5638 */ 5639 5640 static int 5641 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5642 { 5643 struct mii_data *mii = &sc->sc_mii; 5644 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5645 5646 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5647 return (0); 5648 5649 switch (cmd) { 5650 case MII_POLLSTAT: 5651 /* Nothing special to do here. */ 5652 break; 5653 5654 case MII_MEDIACHG: 5655 switch (IFM_SUBTYPE(ife->ifm_media)) { 5656 case IFM_AUTO: 5657 (void) tlp_pnic_nway_auto(sc, 1); 5658 break; 5659 case IFM_100_T4: 5660 /* 5661 * XXX Not supported as a manual setting right now. 5662 */ 5663 return (EINVAL); 5664 default: 5665 /* 5666 * NWAY register data is stored in the ifmedia entry. 5667 */ 5668 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5669 } 5670 break; 5671 5672 case MII_TICK: 5673 /* 5674 * Only used for autonegotiation. 5675 */ 5676 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5677 return (0); 5678 5679 /* 5680 * Check to see if we have link. If we do, we don't 5681 * need to restart the autonegotiation process. 5682 */ 5683 if (sc->sc_flags & TULIPF_LINK_UP) 5684 return (0); 5685 5686 /* 5687 * Only retry autonegotiation every 5 seconds. 5688 */ 5689 if (++sc->sc_nway_ticks != 5) 5690 return (0); 5691 5692 sc->sc_nway_ticks = 0; 5693 tlp_pnic_nway_reset(sc); 5694 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5695 return (0); 5696 break; 5697 } 5698 5699 /* Update the media status. */ 5700 tlp_pnic_nway_status(sc); 5701 5702 /* Callback if something changed. */ 5703 if ((sc->sc_nway_active == NULL || 5704 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5705 cmd == MII_MEDIACHG) { 5706 (*sc->sc_statchg)(&sc->sc_dev); 5707 tlp_nway_activate(sc, mii->mii_media_active); 5708 } 5709 return (0); 5710 } 5711 5712 static void 5713 tlp_pnic_nway_reset(struct tulip_softc *sc) 5714 { 5715 5716 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5717 delay(100); 5718 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5719 } 5720 5721 static int 5722 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5723 { 5724 struct mii_data *mii = &sc->sc_mii; 5725 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5726 u_int32_t reg; 5727 int i; 5728 5729 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5730 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5731 5732 if (waitfor) { 5733 /* Wait 500ms for it to complete. */ 5734 for (i = 0; i < 500; i++) { 5735 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5736 if (reg & PNIC_NWAY_LPAR_MASK) { 5737 tlp_pnic_nway_acomp(sc); 5738 return (0); 5739 } 5740 delay(1000); 5741 } 5742 #if 0 5743 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5744 aprint_error_dev(&sc->sc_dev, "autonegotiation failed to complete\n"); 5745 #endif 5746 5747 /* 5748 * Don't need to worry about clearing DOINGAUTO. 5749 * If that's set, a timeout is pending, and it will 5750 * clear the flag. 5751 */ 5752 return (EIO); 5753 } 5754 5755 /* 5756 * Just let it finish asynchronously. This is for the benefit of 5757 * the tick handler driving autonegotiation. Don't want 500ms 5758 * delays all the time while the system is running! 5759 */ 5760 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5761 sc->sc_flags |= TULIPF_DOINGAUTO; 5762 callout_reset(&sc->sc_nway_callout, hz >> 1, 5763 tlp_pnic_nway_auto_timeout, sc); 5764 } 5765 return (EJUSTRETURN); 5766 } 5767 5768 static void 5769 tlp_pnic_nway_auto_timeout(void *arg) 5770 { 5771 struct tulip_softc *sc = arg; 5772 u_int32_t reg; 5773 int s; 5774 5775 s = splnet(); 5776 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5777 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5778 #if 0 5779 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5780 aprint_error_dev(&sc->sc_dev, "autonegotiation failed to complete\n"); 5781 #endif 5782 5783 tlp_pnic_nway_acomp(sc); 5784 5785 /* Update the media status. */ 5786 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5787 splx(s); 5788 } 5789 5790 static void 5791 tlp_pnic_nway_status(struct tulip_softc *sc) 5792 { 5793 struct mii_data *mii = &sc->sc_mii; 5794 u_int32_t reg; 5795 5796 mii->mii_media_status = IFM_AVALID; 5797 mii->mii_media_active = IFM_ETHER; 5798 5799 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5800 5801 if (sc->sc_flags & TULIPF_LINK_UP) 5802 mii->mii_media_status |= IFM_ACTIVE; 5803 5804 if (reg & PNIC_NWAY_NW) { 5805 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5806 /* Erg, still trying, I guess... */ 5807 mii->mii_media_active |= IFM_NONE; 5808 return; 5809 } 5810 5811 #if 0 5812 if (reg & PNIC_NWAY_LPAR100T4) 5813 mii->mii_media_active |= IFM_100_T4; 5814 else 5815 #endif 5816 if (reg & PNIC_NWAY_LPAR100TXFDX) 5817 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5818 else if (reg & PNIC_NWAY_LPAR100TX) 5819 mii->mii_media_active |= IFM_100_TX; 5820 else if (reg & PNIC_NWAY_LPAR10TFDX) 5821 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5822 else if (reg & PNIC_NWAY_LPAR10T) 5823 mii->mii_media_active |= IFM_10_T; 5824 else 5825 mii->mii_media_active |= IFM_NONE; 5826 } else { 5827 if (reg & PNIC_NWAY_100) 5828 mii->mii_media_active |= IFM_100_TX; 5829 else 5830 mii->mii_media_active |= IFM_10_T; 5831 if (reg & PNIC_NWAY_FD) 5832 mii->mii_media_active |= IFM_FDX; 5833 } 5834 } 5835 5836 static void 5837 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5838 { 5839 u_int32_t reg; 5840 5841 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5842 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5843 5844 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5845 reg |= PNIC_NWAY_100; 5846 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5847 reg |= PNIC_NWAY_FD; 5848 5849 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5850 } 5851 5852 /* 5853 * Macronix PMAC and Lite-On PNIC-II media switch: 5854 * 5855 * MX98713 and MX98713A 21140-like MII or GPIO media. 5856 * 5857 * MX98713A 21143-like MII or SIA/SYM media. 5858 * 5859 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5860 * 82C115, MX98715AEC-C, -E 5861 * 5862 * So, what we do here is fake MII-on-SIO or ISV media info, and 5863 * use the ISV media switch get/set functions to handle the rest. 5864 */ 5865 5866 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5867 5868 const struct tulip_mediasw tlp_pmac_mediasw = { 5869 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5870 }; 5871 5872 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5873 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5874 }; 5875 5876 static void 5877 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5878 { 5879 static const u_int8_t media[] = { 5880 TULIP_ROM_MB_MEDIA_TP, 5881 TULIP_ROM_MB_MEDIA_TP_FDX, 5882 TULIP_ROM_MB_MEDIA_100TX, 5883 TULIP_ROM_MB_MEDIA_100TX_FDX, 5884 }; 5885 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5886 struct tulip_21x4x_media *tm; 5887 5888 sc->sc_mii.mii_ifp = ifp; 5889 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5890 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5891 sc->sc_mii.mii_statchg = sc->sc_statchg; 5892 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5893 tlp_mediastatus); 5894 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5895 sc->sc_chip == TULIP_CHIP_MX98713A) { 5896 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5897 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5898 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5899 sc->sc_flags |= TULIPF_HAS_MII; 5900 sc->sc_tick = tlp_mii_tick; 5901 sc->sc_preinit = tlp_2114x_mii_preinit; 5902 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5903 ifmedia_set(&sc->sc_mii.mii_media, 5904 IFM_ETHER|IFM_AUTO); 5905 return; 5906 } 5907 } 5908 5909 switch (sc->sc_chip) { 5910 case TULIP_CHIP_MX98713: 5911 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5912 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5913 5914 /* 5915 * XXX Should implement auto-sense for this someday, 5916 * XXX when we do the same for the 21140. 5917 */ 5918 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5919 break; 5920 5921 default: 5922 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5923 tlp_sia_get, tlp_sia_set, media, 2); 5924 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5925 tlp_sia_get, tlp_sia_set, media + 2, 2); 5926 5927 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5928 tm->tm_name = "auto"; 5929 tm->tm_get = tlp_2114x_nway_get; 5930 tm->tm_set = tlp_2114x_nway_set; 5931 ifmedia_add(&sc->sc_mii.mii_media, 5932 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5933 5934 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5935 sc->sc_statchg = tlp_2114x_nway_statchg; 5936 sc->sc_tick = tlp_2114x_nway_tick; 5937 break; 5938 } 5939 5940 tlp_print_media(sc); 5941 tlp_sia_fixup(sc); 5942 5943 /* Set the LED modes. */ 5944 tlp_pmac_reset(sc); 5945 5946 sc->sc_reset = tlp_pmac_reset; 5947 } 5948 5949 /* 5950 * ADMtek AL981 media switch. Only has internal PHY. 5951 */ 5952 static void tlp_al981_tmsw_init(struct tulip_softc *); 5953 5954 const struct tulip_mediasw tlp_al981_mediasw = { 5955 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5956 }; 5957 5958 static void 5959 tlp_al981_tmsw_init(struct tulip_softc *sc) 5960 { 5961 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5962 5963 sc->sc_mii.mii_ifp = ifp; 5964 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5965 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5966 sc->sc_mii.mii_statchg = sc->sc_statchg; 5967 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5968 tlp_mediastatus); 5969 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5970 MII_OFFSET_ANY, 0); 5971 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5972 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5973 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5974 } else { 5975 sc->sc_flags |= TULIPF_HAS_MII; 5976 sc->sc_tick = tlp_mii_tick; 5977 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5978 } 5979 } 5980 5981 /* 5982 * ADMtek AN983/985 media switch. Only has internal PHY, but 5983 * on an SIO-like interface. Unfortunately, we can't use the 5984 * standard SIO media switch, because the AN985 "ghosts" the 5985 * singly PHY at every address. 5986 */ 5987 static void tlp_an985_tmsw_init(struct tulip_softc *); 5988 5989 const struct tulip_mediasw tlp_an985_mediasw = { 5990 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5991 }; 5992 5993 static void 5994 tlp_an985_tmsw_init(struct tulip_softc *sc) 5995 { 5996 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5997 5998 sc->sc_mii.mii_ifp = ifp; 5999 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6000 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6001 sc->sc_mii.mii_statchg = sc->sc_statchg; 6002 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6003 tlp_mediastatus); 6004 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6005 MII_OFFSET_ANY, 0); 6006 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6007 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6008 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6009 } else { 6010 sc->sc_flags |= TULIPF_HAS_MII; 6011 sc->sc_tick = tlp_mii_tick; 6012 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6013 } 6014 } 6015 6016 /* 6017 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 6018 */ 6019 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 6020 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6021 struct ifmediareq *); 6022 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6023 6024 const struct tulip_mediasw tlp_dm9102_mediasw = { 6025 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6026 tlp_dm9102_tmsw_setmedia 6027 }; 6028 6029 static void 6030 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6031 { 6032 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6033 u_int32_t opmode; 6034 6035 sc->sc_mii.mii_ifp = ifp; 6036 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6037 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6038 sc->sc_mii.mii_statchg = sc->sc_statchg; 6039 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6040 tlp_mediastatus); 6041 6042 /* PHY block already reset via tlp_reset(). */ 6043 6044 /* 6045 * Configure OPMODE properly for the internal MII interface. 6046 */ 6047 switch (sc->sc_chip) { 6048 case TULIP_CHIP_DM9102: 6049 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6050 break; 6051 6052 case TULIP_CHIP_DM9102A: 6053 opmode = OPMODE_MBO|OPMODE_HBD; 6054 break; 6055 6056 default: 6057 opmode = 0; 6058 break; 6059 } 6060 6061 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6062 6063 /* Now, probe the internal MII for the internal PHY. */ 6064 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6065 MII_OFFSET_ANY, 0); 6066 6067 /* 6068 * XXX Figure out what to do about the HomePNA portion 6069 * XXX of the DM9102A. 6070 */ 6071 6072 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6073 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6074 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6075 } else { 6076 sc->sc_flags |= TULIPF_HAS_MII; 6077 sc->sc_tick = tlp_mii_tick; 6078 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6079 } 6080 } 6081 6082 static void 6083 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6084 { 6085 6086 /* XXX HomePNA on DM9102A. */ 6087 tlp_mii_getmedia(sc, ifmr); 6088 } 6089 6090 static int 6091 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6092 { 6093 6094 /* XXX HomePNA on DM9102A. */ 6095 return (tlp_mii_setmedia(sc)); 6096 } 6097 6098 /* 6099 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6100 */ 6101 6102 static void tlp_asix_tmsw_init(struct tulip_softc *); 6103 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6104 struct ifmediareq *); 6105 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6106 6107 const struct tulip_mediasw tlp_asix_mediasw = { 6108 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6109 tlp_asix_tmsw_setmedia 6110 }; 6111 6112 static void 6113 tlp_asix_tmsw_init(struct tulip_softc *sc) 6114 { 6115 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6116 u_int32_t opmode; 6117 6118 sc->sc_mii.mii_ifp = ifp; 6119 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6120 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6121 sc->sc_mii.mii_statchg = sc->sc_statchg; 6122 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6123 tlp_mediastatus); 6124 6125 /* 6126 * Configure OPMODE properly for the internal MII interface. 6127 */ 6128 switch (sc->sc_chip) { 6129 case TULIP_CHIP_AX88140: 6130 case TULIP_CHIP_AX88141: 6131 opmode = OPMODE_HBD|OPMODE_PS; 6132 break; 6133 default: 6134 opmode = 0; 6135 break; 6136 } 6137 6138 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6139 6140 /* Now, probe the internal MII for the internal PHY. */ 6141 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6142 MII_OFFSET_ANY, 0); 6143 6144 /* XXX Figure how to handle the PHY. */ 6145 6146 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6147 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6148 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6149 } else { 6150 sc->sc_flags |= TULIPF_HAS_MII; 6151 sc->sc_tick = tlp_mii_tick; 6152 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6153 } 6154 6155 6156 } 6157 6158 static void 6159 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6160 { 6161 6162 /* XXX PHY handling. */ 6163 tlp_mii_getmedia(sc, ifmr); 6164 } 6165 6166 static int 6167 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6168 { 6169 6170 /* XXX PHY handling. */ 6171 return (tlp_mii_setmedia(sc)); 6172 } 6173 6174 /* 6175 * RS7112 media switch. Handles only MII attached to the SIO. 6176 * We only have a PHY at 1. 6177 */ 6178 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6179 6180 const struct tulip_mediasw tlp_rs7112_mediasw = { 6181 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6182 }; 6183 6184 void 6185 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6186 { 6187 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6188 6189 /* 6190 * We don't attach any media info structures to the ifmedia 6191 * entries, so if we're using a pre-init function that needs 6192 * that info, override it to one that doesn't. 6193 */ 6194 if (sc->sc_preinit == tlp_2114x_preinit) 6195 sc->sc_preinit = tlp_2114x_mii_preinit; 6196 6197 sc->sc_mii.mii_ifp = ifp; 6198 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6199 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6200 sc->sc_mii.mii_statchg = sc->sc_statchg; 6201 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6202 tlp_mediastatus); 6203 6204 /* 6205 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6206 * and 1 (ethernet). We attach ethernet only. 6207 */ 6208 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6209 MII_OFFSET_ANY, 0); 6210 6211 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6212 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6213 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6214 } else { 6215 sc->sc_flags |= TULIPF_HAS_MII; 6216 sc->sc_tick = tlp_mii_tick; 6217 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6218 } 6219 } 6220
Indexes created Wed Oct 15 16:09:53 GMT 2025