tulip.c revision 1.73
1 /* $NetBSD: tulip.c,v 1.73 2000/10/03 04:32:00 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 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. 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/callout.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #include <machine/endian.h> 61 62 #include <uvm/uvm_extern.h> 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/if_inarp.h> 76 #endif 77 78 #ifdef NS 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 #include <dev/mii/mii_bitbang.h> 89 90 #include <dev/ic/tulipreg.h> 91 #include <dev/ic/tulipvar.h> 92 93 const char *tlp_chip_names[] = TULIP_CHIP_NAMES; 94 95 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_10; 97 98 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 99 TLP_TXTHRESH_TAB_10_100; 100 101 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 102 TLP_TXTHRESH_TAB_WINB; 103 104 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 105 TLP_TXTHRESH_TAB_DM9102; 106 107 void tlp_start __P((struct ifnet *)); 108 void tlp_watchdog __P((struct ifnet *)); 109 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 110 111 void tlp_shutdown __P((void *)); 112 113 void tlp_reset __P((struct tulip_softc *)); 114 int tlp_init __P((struct tulip_softc *)); 115 void tlp_rxdrain __P((struct tulip_softc *)); 116 void tlp_stop __P((struct tulip_softc *, int)); 117 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 118 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 119 void tlp_srom_idle __P((struct tulip_softc *)); 120 int tlp_srom_size __P((struct tulip_softc *)); 121 122 int tlp_enable __P((struct tulip_softc *)); 123 void tlp_disable __P((struct tulip_softc *)); 124 void tlp_power __P((int, void *)); 125 126 void tlp_filter_setup __P((struct tulip_softc *)); 127 void tlp_winb_filter_setup __P((struct tulip_softc *)); 128 void tlp_al981_filter_setup __P((struct tulip_softc *)); 129 130 void tlp_rxintr __P((struct tulip_softc *)); 131 void tlp_txintr __P((struct tulip_softc *)); 132 133 void tlp_mii_tick __P((void *)); 134 void tlp_mii_statchg __P((struct device *)); 135 void tlp_winb_mii_statchg __P((struct device *)); 136 void tlp_dm9102_mii_statchg __P((struct device *)); 137 138 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 139 int tlp_mii_setmedia __P((struct tulip_softc *)); 140 141 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 142 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 143 144 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 145 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 146 147 int tlp_al981_mii_readreg __P((struct device *, int, int)); 148 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 149 150 void tlp_2114x_preinit __P((struct tulip_softc *)); 151 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 152 void tlp_pnic_preinit __P((struct tulip_softc *)); 153 void tlp_dm9102_preinit __P((struct tulip_softc *)); 154 155 void tlp_21140_reset __P((struct tulip_softc *)); 156 void tlp_21142_reset __P((struct tulip_softc *)); 157 void tlp_pmac_reset __P((struct tulip_softc *)); 158 void tlp_dm9102_reset __P((struct tulip_softc *)); 159 160 #define tlp_mchash(addr, sz) \ 161 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 162 163 /* 164 * MII bit-bang glue. 165 */ 166 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 167 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 168 169 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 170 tlp_sio_mii_bitbang_read, 171 tlp_sio_mii_bitbang_write, 172 { 173 MIIROM_MDO, /* MII_BIT_MDO */ 174 MIIROM_MDI, /* MII_BIT_MDI */ 175 MIIROM_MDC, /* MII_BIT_MDC */ 176 0, /* MII_BIT_DIR_HOST_PHY */ 177 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 178 } 179 }; 180 181 #ifdef TLP_DEBUG 182 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 183 printf x 184 #else 185 #define DPRINTF(sc, x) /* nothing */ 186 #endif 187 188 #ifdef TLP_STATS 189 void tlp_print_stats __P((struct tulip_softc *)); 190 #endif 191 192 /* 193 * Can be used to debug the SROM-related things, including contents. 194 * Initialized so that it's patchable. 195 */ 196 int tlp_srom_debug = 0; 197 198 /* 199 * tlp_attach: 200 * 201 * Attach a Tulip interface to the system. 202 */ 203 void 204 tlp_attach(sc, enaddr) 205 struct tulip_softc *sc; 206 const u_int8_t *enaddr; 207 { 208 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 209 int i, error; 210 211 callout_init(&sc->sc_nway_callout); 212 callout_init(&sc->sc_tick_callout); 213 214 /* 215 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 216 */ 217 218 /* 219 * Setup the transmit threshold table. 220 */ 221 switch (sc->sc_chip) { 222 case TULIP_CHIP_DE425: 223 case TULIP_CHIP_21040: 224 case TULIP_CHIP_21041: 225 sc->sc_txth = tlp_10_txthresh_tab; 226 break; 227 228 case TULIP_CHIP_DM9102: 229 case TULIP_CHIP_DM9102A: 230 sc->sc_txth = tlp_dm9102_txthresh_tab; 231 break; 232 233 default: 234 sc->sc_txth = tlp_10_100_txthresh_tab; 235 break; 236 } 237 238 /* 239 * Setup the filter setup function. 240 */ 241 switch (sc->sc_chip) { 242 case TULIP_CHIP_WB89C840F: 243 sc->sc_filter_setup = tlp_winb_filter_setup; 244 break; 245 246 case TULIP_CHIP_AL981: 247 case TULIP_CHIP_AN983: 248 case TULIP_CHIP_AN985: 249 sc->sc_filter_setup = tlp_al981_filter_setup; 250 break; 251 252 default: 253 sc->sc_filter_setup = tlp_filter_setup; 254 break; 255 } 256 257 /* 258 * Set up the media status change function. 259 */ 260 switch (sc->sc_chip) { 261 case TULIP_CHIP_WB89C840F: 262 sc->sc_statchg = tlp_winb_mii_statchg; 263 break; 264 265 case TULIP_CHIP_DM9102: 266 case TULIP_CHIP_DM9102A: 267 sc->sc_statchg = tlp_dm9102_mii_statchg; 268 break; 269 270 default: 271 /* 272 * We may override this if we have special media 273 * handling requirements (e.g. flipping GPIO pins). 274 * 275 * The pure-MII statchg function covers the basics. 276 */ 277 sc->sc_statchg = tlp_mii_statchg; 278 break; 279 } 280 281 /* 282 * Default to no FS|LS in setup packet descriptors. They're 283 * supposed to be zero according to the 21040 and 21143 284 * manuals, and some chips fall over badly if they're 285 * included. Yet, other chips seem to require them. Sigh. 286 */ 287 switch (sc->sc_chip) { 288 case TULIP_CHIP_X3201_3: 289 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 290 break; 291 292 default: 293 sc->sc_setup_fsls = 0; 294 } 295 296 /* 297 * Set up various chip-specific quirks. 298 * 299 * Note that wherever we can, we use the "ring" option for 300 * transmit and receive descriptors. This is because some 301 * clone chips apparently have problems when using chaining, 302 * although some *only* support chaining. 303 * 304 * What we do is always program the "next" pointer, and then 305 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 306 * appropriate places. 307 */ 308 switch (sc->sc_chip) { 309 case TULIP_CHIP_21140: 310 case TULIP_CHIP_21140A: 311 case TULIP_CHIP_21142: 312 case TULIP_CHIP_21143: 313 case TULIP_CHIP_82C115: /* 21143-like */ 314 case TULIP_CHIP_MX98713: /* 21140-like */ 315 case TULIP_CHIP_MX98713A: /* 21143-like */ 316 case TULIP_CHIP_MX98715: /* 21143-like */ 317 case TULIP_CHIP_MX98715A: /* 21143-like */ 318 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 319 case TULIP_CHIP_MX98725: /* 21143-like */ 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_2114x_preinit; 326 break; 327 328 case TULIP_CHIP_82C168: 329 case TULIP_CHIP_82C169: 330 /* 331 * Run these chips in ring mode. 332 */ 333 sc->sc_tdctl_ch = 0; 334 sc->sc_tdctl_er = TDCTL_ER; 335 sc->sc_preinit = tlp_pnic_preinit; 336 337 /* 338 * These chips seem to have busted DMA engines; just put them 339 * in Store-and-Forward mode from the get-go. 340 */ 341 sc->sc_txthresh = TXTH_SF; 342 break; 343 344 case TULIP_CHIP_WB89C840F: 345 /* 346 * Run this chip in chained mode. 347 */ 348 sc->sc_tdctl_ch = TDCTL_CH; 349 sc->sc_tdctl_er = 0; 350 sc->sc_flags |= TULIPF_IC_FS; 351 break; 352 353 case TULIP_CHIP_DM9102: 354 case TULIP_CHIP_DM9102A: 355 /* 356 * Run these chips in chained mode. 357 */ 358 sc->sc_tdctl_ch = TDCTL_CH; 359 sc->sc_tdctl_er = 0; 360 sc->sc_preinit = tlp_dm9102_preinit; 361 362 /* 363 * These chips have a broken bus interface, so we 364 * can't use any optimized bus commands. For this 365 * reason, we tend to underrun pretty quickly, so 366 * just to Store-and-Forward mode from the get-go. 367 */ 368 sc->sc_txthresh = TXTH_DM9102_SF; 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 printf("%s: unable to allocate control data, error = %d\n", 402 sc->sc_dev.dv_xname, 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), (caddr_t *)&sc->sc_control_data, 408 BUS_DMA_COHERENT)) != 0) { 409 printf("%s: unable to map control data, error = %d\n", 410 sc->sc_dev.dv_xname, 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 printf("%s: unable to create control data DMA map, " 418 "error = %d\n", sc->sc_dev.dv_xname, 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 printf("%s: unable to load control data DMA map, error = %d\n", 426 sc->sc_dev.dv_xname, 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 sc->sc_ntxsegs = 1; 446 break; 447 448 default: 449 sc->sc_ntxsegs = TULIP_NTXSEGS; 450 } 451 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 452 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 453 sc->sc_ntxsegs, MCLBYTES, 0, 0, 454 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 455 printf("%s: unable to create tx DMA map %d, " 456 "error = %d\n", sc->sc_dev.dv_xname, i, error); 457 goto fail_4; 458 } 459 } 460 461 /* 462 * Create the recieve buffer DMA maps. 463 */ 464 for (i = 0; i < TULIP_NRXDESC; i++) { 465 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 466 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 467 printf("%s: unable to create rx DMA map %d, " 468 "error = %d\n", sc->sc_dev.dv_xname, i, error); 469 goto fail_5; 470 } 471 sc->sc_rxsoft[i].rxs_mbuf = NULL; 472 } 473 474 /* 475 * From this point forward, the attachment cannot fail. A failure 476 * before this point releases all resources that may have been 477 * allocated. 478 */ 479 sc->sc_flags |= TULIPF_ATTACHED; 480 481 /* 482 * Reset the chip to a known state. 483 */ 484 tlp_reset(sc); 485 486 /* Announce ourselves. */ 487 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 488 sc->sc_name[0] != '\0' ? sc->sc_name : "", 489 sc->sc_name[0] != '\0' ? ", " : "", 490 ether_sprintf(enaddr)); 491 492 /* 493 * Initialize our media structures. This may probe the MII, if 494 * present. 495 */ 496 (*sc->sc_mediasw->tmsw_init)(sc); 497 498 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 499 ifp->if_softc = sc; 500 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 501 ifp->if_ioctl = tlp_ioctl; 502 ifp->if_start = tlp_start; 503 ifp->if_watchdog = tlp_watchdog; 504 505 /* 506 * Attach the interface. 507 */ 508 if_attach(ifp); 509 ether_ifattach(ifp, enaddr); 510 #if NBPFILTER > 0 511 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 512 sizeof(struct ether_header)); 513 #endif 514 515 /* 516 * Make sure the interface is shutdown during reboot. 517 */ 518 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 519 if (sc->sc_sdhook == NULL) 520 printf("%s: WARNING: unable to establish shutdown hook\n", 521 sc->sc_dev.dv_xname); 522 523 /* 524 * Add a suspend hook to make sure we come back up after a 525 * resume. 526 */ 527 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 528 if (sc->sc_powerhook == NULL) 529 printf("%s: WARNING: unable to establish power hook\n", 530 sc->sc_dev.dv_xname); 531 return; 532 533 /* 534 * Free any resources we've allocated during the failed attach 535 * attempt. Do this in reverse order and fall through. 536 */ 537 fail_5: 538 for (i = 0; i < TULIP_NRXDESC; i++) { 539 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 540 bus_dmamap_destroy(sc->sc_dmat, 541 sc->sc_rxsoft[i].rxs_dmamap); 542 } 543 fail_4: 544 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 545 if (sc->sc_txsoft[i].txs_dmamap != NULL) 546 bus_dmamap_destroy(sc->sc_dmat, 547 sc->sc_txsoft[i].txs_dmamap); 548 } 549 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 550 fail_3: 551 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 552 fail_2: 553 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 554 sizeof(struct tulip_control_data)); 555 fail_1: 556 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 557 fail_0: 558 return; 559 } 560 561 /* 562 * tlp_activate: 563 * 564 * Handle device activation/deactivation requests. 565 */ 566 int 567 tlp_activate(self, act) 568 struct device *self; 569 enum devact act; 570 { 571 struct tulip_softc *sc = (void *) self; 572 int s, error = 0; 573 574 s = splnet(); 575 switch (act) { 576 case DVACT_ACTIVATE: 577 error = EOPNOTSUPP; 578 break; 579 580 case DVACT_DEACTIVATE: 581 if (sc->sc_flags & TULIPF_HAS_MII) 582 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 583 MII_OFFSET_ANY); 584 if_deactivate(&sc->sc_ethercom.ec_if); 585 break; 586 } 587 splx(s); 588 589 return (error); 590 } 591 592 /* 593 * tlp_detach: 594 * 595 * Detach a Tulip interface. 596 */ 597 int 598 tlp_detach(sc) 599 struct tulip_softc *sc; 600 { 601 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 602 struct tulip_rxsoft *rxs; 603 struct tulip_txsoft *txs; 604 int i; 605 606 /* 607 * Suceed now if there isn't any work to do. 608 */ 609 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 610 return (0); 611 612 /* Unhook our tick handler. */ 613 if (sc->sc_tick) 614 callout_stop(&sc->sc_tick_callout); 615 616 if (sc->sc_flags & TULIPF_HAS_MII) { 617 /* Detach all PHYs */ 618 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 619 } 620 621 /* Delete all remaining media. */ 622 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 623 624 #if NBPFILTER > 0 625 bpfdetach(ifp); 626 #endif 627 ether_ifdetach(ifp); 628 if_detach(ifp); 629 630 for (i = 0; i < TULIP_NRXDESC; i++) { 631 rxs = &sc->sc_rxsoft[i]; 632 if (rxs->rxs_mbuf != NULL) { 633 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 634 m_freem(rxs->rxs_mbuf); 635 rxs->rxs_mbuf = NULL; 636 } 637 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 638 } 639 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 640 txs = &sc->sc_txsoft[i]; 641 if (txs->txs_mbuf != NULL) { 642 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 643 m_freem(txs->txs_mbuf); 644 txs->txs_mbuf = NULL; 645 } 646 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 647 } 648 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 649 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 650 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 651 sizeof(struct tulip_control_data)); 652 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 653 654 shutdownhook_disestablish(sc->sc_sdhook); 655 powerhook_disestablish(sc->sc_powerhook); 656 657 if (sc->sc_srom) 658 free(sc->sc_srom, M_DEVBUF); 659 660 return (0); 661 } 662 663 /* 664 * tlp_shutdown: 665 * 666 * Make sure the interface is stopped at reboot time. 667 */ 668 void 669 tlp_shutdown(arg) 670 void *arg; 671 { 672 struct tulip_softc *sc = arg; 673 674 tlp_stop(sc, 1); 675 } 676 677 /* 678 * tlp_start: [ifnet interface function] 679 * 680 * Start packet transmission on the interface. 681 */ 682 void 683 tlp_start(ifp) 684 struct ifnet *ifp; 685 { 686 struct tulip_softc *sc = ifp->if_softc; 687 struct mbuf *m0, *m; 688 struct tulip_txsoft *txs, *last_txs; 689 bus_dmamap_t dmamap; 690 int error, firsttx, nexttx, lasttx, ofree, seg; 691 692 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 693 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 694 695 /* 696 * If we want a filter setup, it means no more descriptors were 697 * available for the setup routine. Let it get a chance to wedge 698 * itself into the ring. 699 */ 700 if (sc->sc_flags & TULIPF_WANT_SETUP) 701 ifp->if_flags |= IFF_OACTIVE; 702 703 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 704 return; 705 706 /* 707 * Remember the previous number of free descriptors and 708 * the first descriptor we'll use. 709 */ 710 ofree = sc->sc_txfree; 711 firsttx = sc->sc_txnext; 712 713 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 714 sc->sc_dev.dv_xname, ofree, firsttx)); 715 716 /* 717 * Loop through the send queue, setting up transmit descriptors 718 * until we drain the queue, or use up all available transmit 719 * descriptors. 720 */ 721 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 722 sc->sc_txfree != 0) { 723 /* 724 * Grab a packet off the queue. 725 */ 726 IF_DEQUEUE(&ifp->if_snd, m0); 727 if (m0 == NULL) 728 break; 729 730 dmamap = txs->txs_dmamap; 731 732 /* 733 * Load the DMA map. If this fails, the packet either 734 * didn't fit in the alloted number of segments, or we were 735 * short on resources. In this case, we'll copy and try 736 * again. 737 * 738 * Note that if we're only allowed 1 Tx segment, we 739 * have an alignment restriction. Do this test before 740 * attempting to load the DMA map, because it's more 741 * likely we'll trip the alignment test than the 742 * more-than-one-segment test. 743 */ 744 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 745 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 746 BUS_DMA_NOWAIT) != 0) { 747 MGETHDR(m, M_DONTWAIT, MT_DATA); 748 if (m == NULL) { 749 printf("%s: unable to allocate Tx mbuf\n", 750 sc->sc_dev.dv_xname); 751 IF_PREPEND(&ifp->if_snd, m0); 752 break; 753 } 754 if (m0->m_pkthdr.len > MHLEN) { 755 MCLGET(m, M_DONTWAIT); 756 if ((m->m_flags & M_EXT) == 0) { 757 printf("%s: unable to allocate Tx " 758 "cluster\n", sc->sc_dev.dv_xname); 759 m_freem(m); 760 IF_PREPEND(&ifp->if_snd, m0); 761 break; 762 } 763 } 764 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 765 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 766 m_freem(m0); 767 m0 = m; 768 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 769 m0, BUS_DMA_NOWAIT); 770 if (error) { 771 printf("%s: unable to load Tx buffer, " 772 "error = %d\n", sc->sc_dev.dv_xname, error); 773 IF_PREPEND(&ifp->if_snd, m0); 774 break; 775 } 776 } 777 778 /* 779 * Ensure we have enough descriptors free to describe 780 * the packet. 781 */ 782 if (dmamap->dm_nsegs > sc->sc_txfree) { 783 /* 784 * Not enough free descriptors to transmit this 785 * packet. We haven't committed to anything yet, 786 * so just unload the DMA map, put the packet 787 * back on the queue, and punt. Notify the upper 788 * layer that there are no more slots left. 789 * 790 * XXX We could allocate an mbuf and copy, but 791 * XXX it is worth it? 792 */ 793 ifp->if_flags |= IFF_OACTIVE; 794 bus_dmamap_unload(sc->sc_dmat, dmamap); 795 IF_PREPEND(&ifp->if_snd, m0); 796 break; 797 } 798 799 /* 800 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 801 */ 802 803 /* Sync the DMA map. */ 804 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 805 BUS_DMASYNC_PREWRITE); 806 807 /* 808 * Initialize the transmit descriptors. 809 */ 810 for (nexttx = sc->sc_txnext, seg = 0; 811 seg < dmamap->dm_nsegs; 812 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 813 /* 814 * If this is the first descriptor we're 815 * enqueueing, don't set the OWN bit just 816 * yet. That could cause a race condition. 817 * We'll do it below. 818 */ 819 sc->sc_txdescs[nexttx].td_status = 820 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 821 sc->sc_txdescs[nexttx].td_bufaddr1 = 822 htole32(dmamap->dm_segs[seg].ds_addr); 823 sc->sc_txdescs[nexttx].td_ctl = 824 htole32((dmamap->dm_segs[seg].ds_len << 825 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 826 (nexttx == (TULIP_NTXDESC - 1) ? 827 sc->sc_tdctl_er : 0)); 828 lasttx = nexttx; 829 } 830 831 /* Set `first segment' and `last segment' appropriately. */ 832 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 833 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 834 835 #ifdef TLP_DEBUG 836 if (ifp->if_flags & IFF_DEBUG) { 837 printf(" txsoft %p transmit chain:\n", txs); 838 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 839 printf(" descriptor %d:\n", seg); 840 printf(" td_status: 0x%08x\n", 841 le32toh(sc->sc_txdescs[seg].td_status)); 842 printf(" td_ctl: 0x%08x\n", 843 le32toh(sc->sc_txdescs[seg].td_ctl)); 844 printf(" td_bufaddr1: 0x%08x\n", 845 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 846 printf(" td_bufaddr2: 0x%08x\n", 847 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 848 if (seg == lasttx) 849 break; 850 } 851 } 852 #endif 853 854 /* Sync the descriptors we're using. */ 855 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 856 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 857 858 /* 859 * Store a pointer to the packet so we can free it later, 860 * and remember what txdirty will be once the packet is 861 * done. 862 */ 863 txs->txs_mbuf = m0; 864 txs->txs_firstdesc = sc->sc_txnext; 865 txs->txs_lastdesc = lasttx; 866 txs->txs_ndescs = dmamap->dm_nsegs; 867 868 /* Advance the tx pointer. */ 869 sc->sc_txfree -= dmamap->dm_nsegs; 870 sc->sc_txnext = nexttx; 871 872 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 873 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 874 875 last_txs = txs; 876 877 #if NBPFILTER > 0 878 /* 879 * Pass the packet to any BPF listeners. 880 */ 881 if (ifp->if_bpf) 882 bpf_mtap(ifp->if_bpf, m0); 883 #endif /* NBPFILTER > 0 */ 884 } 885 886 if (txs == NULL || sc->sc_txfree == 0) { 887 /* No more slots left; notify upper layer. */ 888 ifp->if_flags |= IFF_OACTIVE; 889 } 890 891 if (sc->sc_txfree != ofree) { 892 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 893 sc->sc_dev.dv_xname, lasttx, firsttx)); 894 /* 895 * Cause a transmit interrupt to happen on the 896 * last packet we enqueued. 897 */ 898 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 899 TULIP_CDTXSYNC(sc, lasttx, 1, 900 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 901 902 /* 903 * Some clone chips want IC on the *first* segment in 904 * the packet. Appease them. 905 */ 906 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 907 last_txs->txs_firstdesc != lasttx) { 908 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 909 htole32(TDCTL_Tx_IC); 910 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 911 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 912 } 913 914 /* 915 * The entire packet chain is set up. Give the 916 * first descriptor to the chip now. 917 */ 918 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 919 TULIP_CDTXSYNC(sc, firsttx, 1, 920 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 921 922 /* Wake up the transmitter. */ 923 /* XXX USE AUTOPOLLING? */ 924 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 925 926 /* Set a watchdog timer in case the chip flakes out. */ 927 ifp->if_timer = 5; 928 } 929 } 930 931 /* 932 * tlp_watchdog: [ifnet interface function] 933 * 934 * Watchdog timer handler. 935 */ 936 void 937 tlp_watchdog(ifp) 938 struct ifnet *ifp; 939 { 940 struct tulip_softc *sc = ifp->if_softc; 941 int doing_setup, doing_transmit; 942 943 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 944 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 945 946 if (doing_setup && doing_transmit) { 947 printf("%s: filter setup and transmit timeout\n", 948 sc->sc_dev.dv_xname); 949 ifp->if_oerrors++; 950 } else if (doing_transmit) { 951 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 952 ifp->if_oerrors++; 953 } else if (doing_setup) 954 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 955 else 956 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 957 958 (void) tlp_init(sc); 959 960 /* Try to get more packets going. */ 961 tlp_start(ifp); 962 } 963 964 /* 965 * tlp_ioctl: [ifnet interface function] 966 * 967 * Handle control requests from the operator. 968 */ 969 int 970 tlp_ioctl(ifp, cmd, data) 971 struct ifnet *ifp; 972 u_long cmd; 973 caddr_t data; 974 { 975 struct tulip_softc *sc = ifp->if_softc; 976 struct ifreq *ifr = (struct ifreq *)data; 977 struct ifaddr *ifa = (struct ifaddr *)data; 978 int s, error = 0; 979 980 s = splnet(); 981 982 switch (cmd) { 983 case SIOCSIFADDR: 984 if ((error = tlp_enable(sc)) != 0) 985 break; 986 ifp->if_flags |= IFF_UP; 987 988 switch (ifa->ifa_addr->sa_family) { 989 #ifdef INET 990 case AF_INET: 991 if ((error = tlp_init(sc)) != 0) 992 break; 993 arp_ifinit(ifp, ifa); 994 break; 995 #endif /* INET */ 996 #ifdef NS 997 case AF_NS: 998 { 999 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1000 1001 if (ns_nullhost(*ina)) 1002 ina->x_host = *(union ns_host *) 1003 LLADDR(ifp->if_sadl); 1004 else 1005 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 1006 ifp->if_addrlen); 1007 /* Set new address. */ 1008 error = tlp_init(sc); 1009 break; 1010 } 1011 #endif /* NS */ 1012 default: 1013 error = tlp_init(sc); 1014 break; 1015 } 1016 break; 1017 1018 case SIOCSIFMTU: 1019 if (ifr->ifr_mtu > ETHERMTU) 1020 error = EINVAL; 1021 else 1022 ifp->if_mtu = ifr->ifr_mtu; 1023 break; 1024 1025 case SIOCSIFFLAGS: 1026 #ifdef TLP_STATS 1027 if (ifp->if_flags & IFF_DEBUG) 1028 tlp_print_stats(sc); 1029 #endif 1030 if ((ifp->if_flags & IFF_UP) == 0 && 1031 (ifp->if_flags & IFF_RUNNING) != 0) { 1032 /* 1033 * If interface is marked down and it is running, then 1034 * stop it. 1035 */ 1036 tlp_stop(sc, 1); 1037 tlp_disable(sc); 1038 } else if ((ifp->if_flags & IFF_UP) != 0 && 1039 (ifp->if_flags & IFF_RUNNING) == 0) { 1040 /* 1041 * If interfase it marked up and it is stopped, then 1042 * start it. 1043 */ 1044 if ((error = tlp_enable(sc)) != 0) 1045 break; 1046 error = tlp_init(sc); 1047 } else if ((ifp->if_flags & IFF_UP) != 0) { 1048 /* 1049 * Reset the interface to pick up changes in any other 1050 * flags that affect the hardware state. 1051 */ 1052 if ((error = tlp_enable(sc)) != 0) 1053 break; 1054 error = tlp_init(sc); 1055 } 1056 break; 1057 1058 case SIOCADDMULTI: 1059 case SIOCDELMULTI: 1060 error = (cmd == SIOCADDMULTI) ? 1061 ether_addmulti(ifr, &sc->sc_ethercom) : 1062 ether_delmulti(ifr, &sc->sc_ethercom); 1063 1064 if (TULIP_IS_ENABLED(sc) && error == ENETRESET) { 1065 /* 1066 * Multicast list has changed. Set the filter 1067 * accordingly. 1068 */ 1069 (*sc->sc_filter_setup)(sc); 1070 error = 0; 1071 } 1072 break; 1073 1074 case SIOCSIFMEDIA: 1075 case SIOCGIFMEDIA: 1076 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1077 break; 1078 1079 default: 1080 error = EINVAL; 1081 break; 1082 } 1083 1084 /* Try to get more packets going. */ 1085 if (TULIP_IS_ENABLED(sc)) 1086 tlp_start(ifp); 1087 1088 splx(s); 1089 return (error); 1090 } 1091 1092 /* 1093 * tlp_intr: 1094 * 1095 * Interrupt service routine. 1096 */ 1097 int 1098 tlp_intr(arg) 1099 void *arg; 1100 { 1101 struct tulip_softc *sc = arg; 1102 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1103 u_int32_t status, rxstatus, txstatus; 1104 int handled = 0, txthresh; 1105 1106 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1107 1108 #ifdef DEBUG 1109 if (TULIP_IS_ENABLED(sc) == 0) 1110 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1111 #endif 1112 1113 /* 1114 * If the interface isn't running, the interrupt couldn't 1115 * possibly have come from us. 1116 */ 1117 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1118 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1119 return (0); 1120 1121 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1122 switch (sc->sc_chip) { 1123 case TULIP_CHIP_DM9102: 1124 case TULIP_CHIP_DM9102A: 1125 TULIP_WRITE(sc, CSR_INTEN, 0); 1126 break; 1127 1128 default: 1129 /* Nothing. */ 1130 } 1131 1132 for (;;) { 1133 status = TULIP_READ(sc, CSR_STATUS); 1134 if (status) 1135 TULIP_WRITE(sc, CSR_STATUS, status); 1136 1137 if ((status & sc->sc_inten) == 0) 1138 break; 1139 1140 handled = 1; 1141 1142 rxstatus = status & sc->sc_rxint_mask; 1143 txstatus = status & sc->sc_txint_mask; 1144 1145 if (rxstatus) { 1146 /* Grab new any new packets. */ 1147 tlp_rxintr(sc); 1148 1149 if (rxstatus & STATUS_RWT) 1150 printf("%s: receive watchdog timeout\n", 1151 sc->sc_dev.dv_xname); 1152 1153 if (rxstatus & STATUS_RU) { 1154 printf("%s: receive ring overrun\n", 1155 sc->sc_dev.dv_xname); 1156 /* Get the receive process going again. */ 1157 if (sc->sc_tdctl_er != TDCTL_ER) { 1158 tlp_idle(sc, OPMODE_SR); 1159 TULIP_WRITE(sc, CSR_RXLIST, 1160 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1161 TULIP_WRITE(sc, CSR_OPMODE, 1162 sc->sc_opmode); 1163 } 1164 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1165 break; 1166 } 1167 } 1168 1169 if (txstatus) { 1170 /* Sweep up transmit descriptors. */ 1171 tlp_txintr(sc); 1172 1173 if (txstatus & STATUS_TJT) 1174 printf("%s: transmit jabber timeout\n", 1175 sc->sc_dev.dv_xname); 1176 1177 if (txstatus & STATUS_UNF) { 1178 /* 1179 * Increase our transmit threshold if 1180 * another is available. 1181 */ 1182 txthresh = sc->sc_txthresh + 1; 1183 if (sc->sc_txth[txthresh].txth_name != NULL) { 1184 /* Idle the transmit process. */ 1185 tlp_idle(sc, OPMODE_ST); 1186 1187 sc->sc_txthresh = txthresh; 1188 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1189 sc->sc_opmode |= 1190 sc->sc_txth[txthresh].txth_opmode; 1191 printf("%s: transmit underrun; new " 1192 "threshold: %s\n", 1193 sc->sc_dev.dv_xname, 1194 sc->sc_txth[txthresh].txth_name); 1195 1196 /* 1197 * Set the new threshold and restart 1198 * the transmit process. 1199 */ 1200 TULIP_WRITE(sc, CSR_OPMODE, 1201 sc->sc_opmode); 1202 } 1203 /* 1204 * XXX Log every Nth underrun from 1205 * XXX now on? 1206 */ 1207 } 1208 } 1209 1210 if (status & (STATUS_TPS|STATUS_RPS)) { 1211 if (status & STATUS_TPS) 1212 printf("%s: transmit process stopped\n", 1213 sc->sc_dev.dv_xname); 1214 if (status & STATUS_RPS) 1215 printf("%s: receive process stopped\n", 1216 sc->sc_dev.dv_xname); 1217 (void) tlp_init(sc); 1218 break; 1219 } 1220 1221 if (status & STATUS_SE) { 1222 const char *str; 1223 switch (status & STATUS_EB) { 1224 case STATUS_EB_PARITY: 1225 str = "parity error"; 1226 break; 1227 1228 case STATUS_EB_MABT: 1229 str = "master abort"; 1230 break; 1231 1232 case STATUS_EB_TABT: 1233 str = "target abort"; 1234 break; 1235 1236 default: 1237 str = "unknown error"; 1238 break; 1239 } 1240 printf("%s: fatal system error: %s\n", 1241 sc->sc_dev.dv_xname, str); 1242 (void) tlp_init(sc); 1243 break; 1244 } 1245 1246 /* 1247 * Not handled: 1248 * 1249 * Transmit buffer unavailable -- normal 1250 * condition, nothing to do, really. 1251 * 1252 * General purpose timer experied -- we don't 1253 * use the general purpose timer. 1254 * 1255 * Early receive interrupt -- not available on 1256 * all chips, we just use RI. We also only 1257 * use single-segment receive DMA, so this 1258 * is mostly useless. 1259 */ 1260 } 1261 1262 /* Bring interrupts back up on the DM9102. */ 1263 switch (sc->sc_chip) { 1264 case TULIP_CHIP_DM9102: 1265 case TULIP_CHIP_DM9102A: 1266 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1267 break; 1268 1269 default: 1270 /* Nothing. */ 1271 } 1272 1273 /* Try to get more packets going. */ 1274 tlp_start(ifp); 1275 1276 return (handled); 1277 } 1278 1279 /* 1280 * tlp_rxintr: 1281 * 1282 * Helper; handle receive interrupts. 1283 */ 1284 void 1285 tlp_rxintr(sc) 1286 struct tulip_softc *sc; 1287 { 1288 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1289 struct ether_header *eh; 1290 struct tulip_rxsoft *rxs; 1291 struct mbuf *m; 1292 u_int32_t rxstat; 1293 int i, len; 1294 1295 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1296 rxs = &sc->sc_rxsoft[i]; 1297 1298 TULIP_CDRXSYNC(sc, i, 1299 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1300 1301 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1302 1303 if (rxstat & TDSTAT_OWN) { 1304 /* 1305 * We have processed all of the receive buffers. 1306 */ 1307 break; 1308 } 1309 1310 /* 1311 * Make sure the packet fit in one buffer. This should 1312 * always be the case. But the Lite-On PNIC, rev 33 1313 * has an awful receive engine bug, which may require 1314 * a very icky work-around. 1315 */ 1316 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1317 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1318 printf("%s: incoming packet spilled, resetting\n", 1319 sc->sc_dev.dv_xname); 1320 (void) tlp_init(sc); 1321 return; 1322 } 1323 1324 /* 1325 * If any collisions were seen on the wire, count one. 1326 */ 1327 if (rxstat & TDSTAT_Rx_CS) 1328 ifp->if_collisions++; 1329 1330 /* 1331 * If an error occured, update stats, clear the status 1332 * word, and leave the packet buffer in place. It will 1333 * simply be reused the next time the ring comes around. 1334 */ 1335 if (rxstat & TDSTAT_ES) { 1336 #define PRINTERR(bit, str) \ 1337 if (rxstat & (bit)) \ 1338 printf("%s: receive error: %s\n", \ 1339 sc->sc_dev.dv_xname, str) 1340 ifp->if_ierrors++; 1341 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1342 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1343 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1344 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1345 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1346 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1347 #undef PRINTERR 1348 TULIP_INIT_RXDESC(sc, i); 1349 continue; 1350 } 1351 1352 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1353 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1354 1355 /* 1356 * No errors; receive the packet. Note the Tulip 1357 * includes the CRC with every packet; trim it. 1358 */ 1359 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1360 1361 #ifdef __NO_STRICT_ALIGNMENT 1362 /* 1363 * Allocate a new mbuf cluster. If that fails, we are 1364 * out of memory, and must drop the packet and recycle 1365 * the buffer that's already attached to this descriptor. 1366 */ 1367 m = rxs->rxs_mbuf; 1368 if (tlp_add_rxbuf(sc, i) != 0) { 1369 ifp->if_ierrors++; 1370 TULIP_INIT_RXDESC(sc, i); 1371 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1372 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1373 continue; 1374 } 1375 #else 1376 /* 1377 * The Tulip's receive buffers must be 4-byte aligned. 1378 * But this means that the data after the Ethernet header 1379 * is misaligned. We must allocate a new buffer and 1380 * copy the data, shifted forward 2 bytes. 1381 */ 1382 MGETHDR(m, M_DONTWAIT, MT_DATA); 1383 if (m == NULL) { 1384 dropit: 1385 ifp->if_ierrors++; 1386 TULIP_INIT_RXDESC(sc, i); 1387 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1388 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1389 continue; 1390 } 1391 if (len > (MHLEN - 2)) { 1392 MCLGET(m, M_DONTWAIT); 1393 if ((m->m_flags & M_EXT) == 0) { 1394 m_freem(m); 1395 goto dropit; 1396 } 1397 } 1398 m->m_data += 2; 1399 1400 /* 1401 * Note that we use clusters for incoming frames, so the 1402 * buffer is virtually contiguous. 1403 */ 1404 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1405 1406 /* Allow the receive descriptor to continue using its mbuf. */ 1407 TULIP_INIT_RXDESC(sc, i); 1408 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1409 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1410 #endif /* __NO_STRICT_ALIGNMENT */ 1411 1412 ifp->if_ipackets++; 1413 eh = mtod(m, struct ether_header *); 1414 m->m_pkthdr.rcvif = ifp; 1415 m->m_pkthdr.len = m->m_len = len; 1416 1417 #if NBPFILTER > 0 1418 /* 1419 * Pass this up to any BPF listeners, but only 1420 * pass it up the stack if its for us. 1421 */ 1422 if (ifp->if_bpf) 1423 bpf_mtap(ifp->if_bpf, m); 1424 #endif /* NPBFILTER > 0 */ 1425 1426 /* 1427 * We sometimes have to run the 21140 in Hash-Only 1428 * mode. If we're in that mode, and not in promiscuous 1429 * mode, and we have a unicast packet that isn't for 1430 * us, then drop it. 1431 */ 1432 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1433 (ifp->if_flags & IFF_PROMISC) == 0 && 1434 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1435 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1436 ETHER_ADDR_LEN) != 0) { 1437 m_freem(m); 1438 continue; 1439 } 1440 1441 /* Pass it on. */ 1442 (*ifp->if_input)(ifp, m); 1443 } 1444 1445 /* Update the recieve pointer. */ 1446 sc->sc_rxptr = i; 1447 } 1448 1449 /* 1450 * tlp_txintr: 1451 * 1452 * Helper; handle transmit interrupts. 1453 */ 1454 void 1455 tlp_txintr(sc) 1456 struct tulip_softc *sc; 1457 { 1458 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1459 struct tulip_txsoft *txs; 1460 u_int32_t txstat; 1461 1462 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1463 sc->sc_dev.dv_xname, sc->sc_flags)); 1464 1465 ifp->if_flags &= ~IFF_OACTIVE; 1466 1467 /* 1468 * Go through our Tx list and free mbufs for those 1469 * frames that have been transmitted. 1470 */ 1471 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1472 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1473 txs->txs_ndescs, 1474 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1475 1476 #ifdef TLP_DEBUG 1477 if (ifp->if_flags & IFF_DEBUG) { 1478 int i; 1479 printf(" txsoft %p transmit chain:\n", txs); 1480 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1481 printf(" descriptor %d:\n", i); 1482 printf(" td_status: 0x%08x\n", 1483 le32toh(sc->sc_txdescs[i].td_status)); 1484 printf(" td_ctl: 0x%08x\n", 1485 le32toh(sc->sc_txdescs[i].td_ctl)); 1486 printf(" td_bufaddr1: 0x%08x\n", 1487 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1488 printf(" td_bufaddr2: 0x%08x\n", 1489 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1490 if (i == txs->txs_lastdesc) 1491 break; 1492 } 1493 } 1494 #endif 1495 1496 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1497 if (txstat & TDSTAT_OWN) 1498 break; 1499 1500 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1501 1502 sc->sc_txfree += txs->txs_ndescs; 1503 1504 if (txs->txs_mbuf == NULL) { 1505 /* 1506 * If we didn't have an mbuf, it was the setup 1507 * packet. 1508 */ 1509 #ifdef DIAGNOSTIC 1510 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1511 panic("tlp_txintr: null mbuf, not doing setup"); 1512 #endif 1513 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1514 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1515 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1516 continue; 1517 } 1518 1519 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1520 0, txs->txs_dmamap->dm_mapsize, 1521 BUS_DMASYNC_POSTWRITE); 1522 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1523 m_freem(txs->txs_mbuf); 1524 txs->txs_mbuf = NULL; 1525 1526 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1527 1528 /* 1529 * Check for errors and collisions. 1530 */ 1531 #ifdef TLP_STATS 1532 if (txstat & TDSTAT_Tx_UF) 1533 sc->sc_stats.ts_tx_uf++; 1534 if (txstat & TDSTAT_Tx_TO) 1535 sc->sc_stats.ts_tx_to++; 1536 if (txstat & TDSTAT_Tx_EC) 1537 sc->sc_stats.ts_tx_ec++; 1538 if (txstat & TDSTAT_Tx_LC) 1539 sc->sc_stats.ts_tx_lc++; 1540 #endif 1541 1542 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1543 ifp->if_oerrors++; 1544 1545 if (txstat & TDSTAT_Tx_EC) 1546 ifp->if_collisions += 16; 1547 else 1548 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1549 if (txstat & TDSTAT_Tx_LC) 1550 ifp->if_collisions++; 1551 1552 ifp->if_opackets++; 1553 } 1554 1555 /* 1556 * If there are no more pending transmissions, cancel the watchdog 1557 * timer. 1558 */ 1559 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1560 ifp->if_timer = 0; 1561 1562 /* 1563 * If we have a receive filter setup pending, do it now. 1564 */ 1565 if (sc->sc_flags & TULIPF_WANT_SETUP) 1566 (*sc->sc_filter_setup)(sc); 1567 } 1568 1569 #ifdef TLP_STATS 1570 void 1571 tlp_print_stats(sc) 1572 struct tulip_softc *sc; 1573 { 1574 1575 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1576 sc->sc_dev.dv_xname, 1577 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1578 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1579 } 1580 #endif 1581 1582 /* 1583 * tlp_reset: 1584 * 1585 * Perform a soft reset on the Tulip. 1586 */ 1587 void 1588 tlp_reset(sc) 1589 struct tulip_softc *sc; 1590 { 1591 int i; 1592 1593 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1594 1595 /* 1596 * Xircom clone doesn't bring itself out of reset automatically. 1597 * Instead, we have to wait at least 50 PCI cycles, and then 1598 * clear SWR. 1599 */ 1600 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1601 delay(10); 1602 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1603 } 1604 1605 for (i = 0; i < 1000; i++) { 1606 /* 1607 * Wait at least 50 PCI cycles for the reset to 1608 * complete before peeking at the Tulip again. 1609 * 10 uSec is a bit longer than 50 PCI cycles 1610 * (at 33MHz), but it doesn't hurt have the extra 1611 * wait. 1612 */ 1613 delay(10); 1614 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1615 break; 1616 } 1617 1618 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1619 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1620 1621 delay(1000); 1622 1623 /* 1624 * If the board has any GPIO reset sequences to issue, do them now. 1625 */ 1626 if (sc->sc_reset != NULL) 1627 (*sc->sc_reset)(sc); 1628 } 1629 1630 /* 1631 * tlp_init: 1632 * 1633 * Initialize the interface. Must be called at splnet(). 1634 */ 1635 int 1636 tlp_init(sc) 1637 struct tulip_softc *sc; 1638 { 1639 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1640 struct tulip_txsoft *txs; 1641 struct tulip_rxsoft *rxs; 1642 int i, error = 0; 1643 1644 /* 1645 * Cancel any pending I/O. 1646 */ 1647 tlp_stop(sc, 0); 1648 1649 /* 1650 * Initialize `opmode' to 0, and call the pre-init routine, if 1651 * any. This is required because the 2114x and some of the 1652 * clones require that the media-related bits in `opmode' be 1653 * set before performing a soft-reset in order to get internal 1654 * chip pathways are correct. Yay! 1655 */ 1656 sc->sc_opmode = 0; 1657 if (sc->sc_preinit != NULL) 1658 (*sc->sc_preinit)(sc); 1659 1660 /* 1661 * Reset the Tulip to a known state. 1662 */ 1663 tlp_reset(sc); 1664 1665 /* 1666 * Initialize the BUSMODE register. 1667 */ 1668 sc->sc_busmode = BUSMODE_BAR; 1669 switch (sc->sc_chip) { 1670 case TULIP_CHIP_21140: 1671 case TULIP_CHIP_21140A: 1672 case TULIP_CHIP_21142: 1673 case TULIP_CHIP_21143: 1674 case TULIP_CHIP_82C115: 1675 case TULIP_CHIP_MX98725: 1676 /* 1677 * If we're allowed to do so, use Memory Read Line 1678 * and Memory Read Multiple. 1679 * 1680 * XXX Should we use Memory Write and Invalidate? 1681 */ 1682 if (sc->sc_flags & TULIPF_MRL) 1683 sc->sc_busmode |= BUSMODE_RLE; 1684 if (sc->sc_flags & TULIPF_MRM) 1685 sc->sc_busmode |= BUSMODE_RME; 1686 #if 0 1687 if (sc->sc_flags & TULIPF_MWI) 1688 sc->sc_busmode |= BUSMODE_WLE; 1689 #endif 1690 1691 default: 1692 /* Nothing. */ 1693 } 1694 switch (sc->sc_cacheline) { 1695 default: 1696 /* 1697 * Note: We must *always* set these bits; a cache 1698 * alignment of 0 is RESERVED. 1699 */ 1700 case 8: 1701 sc->sc_busmode |= BUSMODE_CAL_8LW; 1702 break; 1703 case 16: 1704 sc->sc_busmode |= BUSMODE_CAL_16LW; 1705 break; 1706 case 32: 1707 sc->sc_busmode |= BUSMODE_CAL_32LW; 1708 break; 1709 } 1710 switch (sc->sc_chip) { 1711 case TULIP_CHIP_82C168: 1712 case TULIP_CHIP_82C169: 1713 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1714 break; 1715 default: 1716 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1717 break; 1718 } 1719 #if BYTE_ORDER == BIG_ENDIAN 1720 /* 1721 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1722 * support them, and even on ones that do, it doesn't 1723 * always work. 1724 */ 1725 #endif 1726 1727 /* 1728 * Some chips have a broken bus interface. 1729 */ 1730 switch (sc->sc_chip) { 1731 case TULIP_CHIP_DM9102: 1732 case TULIP_CHIP_DM9102A: 1733 sc->sc_busmode = 0; 1734 break; 1735 1736 default: 1737 /* Nothing. */ 1738 } 1739 1740 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1741 1742 /* 1743 * Initialize the OPMODE register. We don't write it until 1744 * we're ready to begin the transmit and receive processes. 1745 * 1746 * Media-related OPMODE bits are set in the media callbacks 1747 * for each specific chip/board. 1748 */ 1749 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1750 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1751 1752 /* 1753 * Magical mystery initialization on the Macronix chips. 1754 * The MX98713 uses its own magic value, the rest share 1755 * a common one. 1756 */ 1757 switch (sc->sc_chip) { 1758 case TULIP_CHIP_MX98713: 1759 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1760 break; 1761 1762 case TULIP_CHIP_MX98713A: 1763 case TULIP_CHIP_MX98715: 1764 case TULIP_CHIP_MX98715A: 1765 case TULIP_CHIP_MX98715AEC_X: 1766 case TULIP_CHIP_MX98725: 1767 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1768 break; 1769 1770 default: 1771 /* Nothing. */ 1772 } 1773 1774 /* 1775 * Initialize the transmit descriptor ring. 1776 */ 1777 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1778 for (i = 0; i < TULIP_NTXDESC; i++) { 1779 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1780 sc->sc_txdescs[i].td_bufaddr2 = 1781 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1782 } 1783 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1784 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1785 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1786 sc->sc_txfree = TULIP_NTXDESC; 1787 sc->sc_txnext = 0; 1788 1789 /* 1790 * Initialize the transmit job descriptors. 1791 */ 1792 SIMPLEQ_INIT(&sc->sc_txfreeq); 1793 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1794 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1795 txs = &sc->sc_txsoft[i]; 1796 txs->txs_mbuf = NULL; 1797 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1798 } 1799 1800 /* 1801 * Initialize the receive descriptor and receive job 1802 * descriptor rings. 1803 */ 1804 for (i = 0; i < TULIP_NRXDESC; i++) { 1805 rxs = &sc->sc_rxsoft[i]; 1806 if (rxs->rxs_mbuf == NULL) { 1807 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1808 printf("%s: unable to allocate or map rx " 1809 "buffer %d, error = %d\n", 1810 sc->sc_dev.dv_xname, i, error); 1811 /* 1812 * XXX Should attempt to run with fewer receive 1813 * XXX buffers instead of just failing. 1814 */ 1815 tlp_rxdrain(sc); 1816 goto out; 1817 } 1818 } 1819 } 1820 sc->sc_rxptr = 0; 1821 1822 /* 1823 * Initialize the interrupt mask and enable interrupts. 1824 */ 1825 /* normal interrupts */ 1826 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1827 1828 /* abnormal interrupts */ 1829 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1830 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1831 1832 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1833 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1834 1835 switch (sc->sc_chip) { 1836 case TULIP_CHIP_WB89C840F: 1837 /* 1838 * Clear bits that we don't want that happen to 1839 * overlap or don't exist. 1840 */ 1841 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1842 break; 1843 1844 default: 1845 /* Nothing. */ 1846 } 1847 1848 sc->sc_rxint_mask &= sc->sc_inten; 1849 sc->sc_txint_mask &= sc->sc_inten; 1850 1851 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1852 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1853 1854 /* 1855 * Give the transmit and receive rings to the Tulip. 1856 */ 1857 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1858 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1859 1860 /* 1861 * On chips that do this differently, set the station address. 1862 */ 1863 switch (sc->sc_chip) { 1864 case TULIP_CHIP_WB89C840F: 1865 { 1866 /* XXX Do this with stream writes? */ 1867 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1868 1869 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1870 bus_space_write_1(sc->sc_st, sc->sc_sh, 1871 cpa + i, LLADDR(ifp->if_sadl)[i]); 1872 } 1873 break; 1874 } 1875 1876 case TULIP_CHIP_AL981: 1877 case TULIP_CHIP_AN983: 1878 case TULIP_CHIP_AN985: 1879 { 1880 u_int32_t reg; 1881 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1882 1883 reg = enaddr[0] | 1884 (enaddr[1] << 8) | 1885 (enaddr[2] << 16) | 1886 (enaddr[3] << 24); 1887 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1888 1889 reg = enaddr[4] | 1890 (enaddr[5] << 8); 1891 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1892 } 1893 1894 default: 1895 /* Nothing. */ 1896 } 1897 1898 /* 1899 * Set the receive filter. This will start the transmit and 1900 * receive processes. 1901 */ 1902 (*sc->sc_filter_setup)(sc); 1903 1904 /* 1905 * Set the current media. 1906 */ 1907 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1908 1909 /* 1910 * Start the receive process. 1911 */ 1912 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1913 1914 if (sc->sc_tick != NULL) { 1915 /* Start the one second clock. */ 1916 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1917 } 1918 1919 /* 1920 * Note that the interface is now running. 1921 */ 1922 ifp->if_flags |= IFF_RUNNING; 1923 ifp->if_flags &= ~IFF_OACTIVE; 1924 1925 out: 1926 if (error) 1927 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1928 return (error); 1929 } 1930 1931 /* 1932 * tlp_enable: 1933 * 1934 * Enable the Tulip chip. 1935 */ 1936 int 1937 tlp_enable(sc) 1938 struct tulip_softc *sc; 1939 { 1940 1941 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1942 if ((*sc->sc_enable)(sc) != 0) { 1943 printf("%s: device enable failed\n", 1944 sc->sc_dev.dv_xname); 1945 return (EIO); 1946 } 1947 sc->sc_flags |= TULIPF_ENABLED; 1948 } 1949 return (0); 1950 } 1951 1952 /* 1953 * tlp_disable: 1954 * 1955 * Disable the Tulip chip. 1956 */ 1957 void 1958 tlp_disable(sc) 1959 struct tulip_softc *sc; 1960 { 1961 1962 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1963 (*sc->sc_disable)(sc); 1964 sc->sc_flags &= ~TULIPF_ENABLED; 1965 } 1966 } 1967 1968 /* 1969 * tlp_power: 1970 * 1971 * Power management (suspend/resume) hook. 1972 */ 1973 void 1974 tlp_power(why, arg) 1975 int why; 1976 void *arg; 1977 { 1978 struct tulip_softc *sc = arg; 1979 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1980 int s; 1981 1982 s = splnet(); 1983 if (why != PWR_RESUME) { 1984 tlp_stop(sc, 0); 1985 if (sc->sc_power != NULL) 1986 (*sc->sc_power)(sc, why); 1987 } else if (ifp->if_flags & IFF_UP) { 1988 if (sc->sc_power != NULL) 1989 (*sc->sc_power)(sc, why); 1990 tlp_init(sc); 1991 } 1992 splx(s); 1993 } 1994 1995 /* 1996 * tlp_rxdrain: 1997 * 1998 * Drain the receive queue. 1999 */ 2000 void 2001 tlp_rxdrain(sc) 2002 struct tulip_softc *sc; 2003 { 2004 struct tulip_rxsoft *rxs; 2005 int i; 2006 2007 for (i = 0; i < TULIP_NRXDESC; i++) { 2008 rxs = &sc->sc_rxsoft[i]; 2009 if (rxs->rxs_mbuf != NULL) { 2010 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2011 m_freem(rxs->rxs_mbuf); 2012 rxs->rxs_mbuf = NULL; 2013 } 2014 } 2015 } 2016 2017 /* 2018 * tlp_stop: 2019 * 2020 * Stop transmission on the interface. 2021 */ 2022 void 2023 tlp_stop(sc, drain) 2024 struct tulip_softc *sc; 2025 int drain; 2026 { 2027 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2028 struct tulip_txsoft *txs; 2029 2030 if (sc->sc_tick != NULL) { 2031 /* Stop the one second clock. */ 2032 callout_stop(&sc->sc_tick_callout); 2033 } 2034 2035 if (sc->sc_flags & TULIPF_HAS_MII) { 2036 /* Down the MII. */ 2037 mii_down(&sc->sc_mii); 2038 } 2039 2040 /* Disable interrupts. */ 2041 TULIP_WRITE(sc, CSR_INTEN, 0); 2042 2043 /* Stop the transmit and receive processes. */ 2044 sc->sc_opmode = 0; 2045 TULIP_WRITE(sc, CSR_OPMODE, 0); 2046 TULIP_WRITE(sc, CSR_RXLIST, 0); 2047 TULIP_WRITE(sc, CSR_TXLIST, 0); 2048 2049 /* 2050 * Release any queued transmit buffers. 2051 */ 2052 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2053 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2054 if (txs->txs_mbuf != NULL) { 2055 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2056 m_freem(txs->txs_mbuf); 2057 txs->txs_mbuf = NULL; 2058 } 2059 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2060 } 2061 2062 if (drain) { 2063 /* 2064 * Release the receive buffers. 2065 */ 2066 tlp_rxdrain(sc); 2067 } 2068 2069 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2070 2071 /* 2072 * Mark the interface down and cancel the watchdog timer. 2073 */ 2074 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2075 ifp->if_timer = 0; 2076 } 2077 2078 #define SROM_EMIT(sc, x) \ 2079 do { \ 2080 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2081 delay(2); \ 2082 } while (0) 2083 2084 /* 2085 * tlp_srom_idle: 2086 * 2087 * Put the SROM in idle state. 2088 */ 2089 void 2090 tlp_srom_idle(sc) 2091 struct tulip_softc *sc; 2092 { 2093 u_int32_t miirom; 2094 int i; 2095 2096 miirom = MIIROM_SR; 2097 SROM_EMIT(sc, miirom); 2098 2099 miirom |= MIIROM_RD; 2100 SROM_EMIT(sc, miirom); 2101 2102 miirom |= MIIROM_SROMCS; 2103 SROM_EMIT(sc, miirom); 2104 2105 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2106 2107 /* Strobe the clock 32 times. */ 2108 for (i = 0; i < 32; i++) { 2109 SROM_EMIT(sc, miirom); 2110 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2111 } 2112 2113 SROM_EMIT(sc, miirom); 2114 2115 miirom &= ~MIIROM_SROMCS; 2116 SROM_EMIT(sc, miirom); 2117 2118 SROM_EMIT(sc, 0); 2119 } 2120 2121 /* 2122 * tlp_srom_size: 2123 * 2124 * Determine the number of address bits in the SROM. 2125 */ 2126 int 2127 tlp_srom_size(sc) 2128 struct tulip_softc *sc; 2129 { 2130 u_int32_t miirom; 2131 int x; 2132 2133 /* Select the SROM. */ 2134 miirom = MIIROM_SR; 2135 SROM_EMIT(sc, miirom); 2136 2137 miirom |= MIIROM_RD; 2138 SROM_EMIT(sc, miirom); 2139 2140 /* Send CHIP SELECT for one clock tick. */ 2141 miirom |= MIIROM_SROMCS; 2142 SROM_EMIT(sc, miirom); 2143 2144 /* Shift in the READ opcode. */ 2145 for (x = 3; x > 0; x--) { 2146 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2147 miirom |= MIIROM_SROMDI; 2148 else 2149 miirom &= ~MIIROM_SROMDI; 2150 SROM_EMIT(sc, miirom); 2151 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2152 SROM_EMIT(sc, miirom); 2153 } 2154 2155 /* Shift in address and look for dummy 0 bit. */ 2156 for (x = 1; x <= 12; x++) { 2157 miirom &= ~MIIROM_SROMDI; 2158 SROM_EMIT(sc, miirom); 2159 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2160 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2161 break; 2162 SROM_EMIT(sc, miirom); 2163 } 2164 2165 /* Clear CHIP SELECT. */ 2166 miirom &= ~MIIROM_SROMCS; 2167 SROM_EMIT(sc, miirom); 2168 2169 /* Deselect the SROM. */ 2170 SROM_EMIT(sc, 0); 2171 2172 if (x < 4 || x > 12) { 2173 printf("%s: broken MicroWire interface detected; " 2174 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2175 return (6); 2176 } else { 2177 if (tlp_srom_debug) 2178 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2179 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2180 return (x); 2181 } 2182 } 2183 2184 /* 2185 * tlp_read_srom: 2186 * 2187 * Read the Tulip SROM. 2188 */ 2189 int 2190 tlp_read_srom(sc) 2191 struct tulip_softc *sc; 2192 { 2193 int size; 2194 u_int32_t miirom; 2195 u_int16_t datain; 2196 int i, x; 2197 2198 tlp_srom_idle(sc); 2199 2200 sc->sc_srom_addrbits = tlp_srom_size(sc); 2201 if (sc->sc_srom_addrbits == 0) 2202 return (0); 2203 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2204 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2205 2206 /* Select the SROM. */ 2207 miirom = MIIROM_SR; 2208 SROM_EMIT(sc, miirom); 2209 2210 miirom |= MIIROM_RD; 2211 SROM_EMIT(sc, miirom); 2212 2213 for (i = 0; i < size; i += 2) { 2214 /* Send CHIP SELECT for one clock tick. */ 2215 miirom |= MIIROM_SROMCS; 2216 SROM_EMIT(sc, miirom); 2217 2218 /* Shift in the READ opcode. */ 2219 for (x = 3; x > 0; x--) { 2220 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2221 miirom |= MIIROM_SROMDI; 2222 else 2223 miirom &= ~MIIROM_SROMDI; 2224 SROM_EMIT(sc, miirom); 2225 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2226 SROM_EMIT(sc, miirom); 2227 } 2228 2229 /* Shift in address. */ 2230 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2231 if (i & (1 << x)) 2232 miirom |= MIIROM_SROMDI; 2233 else 2234 miirom &= ~MIIROM_SROMDI; 2235 SROM_EMIT(sc, miirom); 2236 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2237 SROM_EMIT(sc, miirom); 2238 } 2239 2240 /* Shift out data. */ 2241 miirom &= ~MIIROM_SROMDI; 2242 datain = 0; 2243 for (x = 16; x > 0; x--) { 2244 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2245 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2246 datain |= (1 << (x - 1)); 2247 SROM_EMIT(sc, miirom); 2248 } 2249 sc->sc_srom[i] = datain & 0xff; 2250 sc->sc_srom[i + 1] = datain >> 8; 2251 2252 /* Clear CHIP SELECT. */ 2253 miirom &= ~MIIROM_SROMCS; 2254 SROM_EMIT(sc, miirom); 2255 } 2256 2257 /* Deselect the SROM. */ 2258 SROM_EMIT(sc, 0); 2259 2260 /* ...and idle it. */ 2261 tlp_srom_idle(sc); 2262 2263 if (tlp_srom_debug) { 2264 printf("SROM CONTENTS:"); 2265 for (i = 0; i < size; i++) { 2266 if ((i % 8) == 0) 2267 printf("\n\t"); 2268 printf("0x%02x ", sc->sc_srom[i]); 2269 } 2270 printf("\n"); 2271 } 2272 2273 return (1); 2274 } 2275 2276 #undef SROM_EMIT 2277 2278 /* 2279 * tlp_add_rxbuf: 2280 * 2281 * Add a receive buffer to the indicated descriptor. 2282 */ 2283 int 2284 tlp_add_rxbuf(sc, idx) 2285 struct tulip_softc *sc; 2286 int idx; 2287 { 2288 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2289 struct mbuf *m; 2290 int error; 2291 2292 MGETHDR(m, M_DONTWAIT, MT_DATA); 2293 if (m == NULL) 2294 return (ENOBUFS); 2295 2296 MCLGET(m, M_DONTWAIT); 2297 if ((m->m_flags & M_EXT) == 0) { 2298 m_freem(m); 2299 return (ENOBUFS); 2300 } 2301 2302 if (rxs->rxs_mbuf != NULL) 2303 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2304 2305 rxs->rxs_mbuf = m; 2306 2307 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2308 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2309 if (error) { 2310 printf("%s: can't load rx DMA map %d, error = %d\n", 2311 sc->sc_dev.dv_xname, idx, error); 2312 panic("tlp_add_rxbuf"); /* XXX */ 2313 } 2314 2315 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2316 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2317 2318 TULIP_INIT_RXDESC(sc, idx); 2319 2320 return (0); 2321 } 2322 2323 /* 2324 * tlp_srom_crcok: 2325 * 2326 * Check the CRC of the Tulip SROM. 2327 */ 2328 int 2329 tlp_srom_crcok(romdata) 2330 const u_int8_t *romdata; 2331 { 2332 u_int32_t crc; 2333 2334 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2335 crc = (crc & 0xffff) ^ 0xffff; 2336 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2337 return (1); 2338 2339 /* 2340 * Try an alternate checksum. 2341 */ 2342 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2343 crc = (crc & 0xffff) ^ 0xffff; 2344 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2345 return (1); 2346 2347 return (0); 2348 } 2349 2350 /* 2351 * tlp_isv_srom: 2352 * 2353 * Check to see if the SROM is in the new standardized format. 2354 */ 2355 int 2356 tlp_isv_srom(romdata) 2357 const u_int8_t *romdata; 2358 { 2359 int i; 2360 u_int16_t cksum; 2361 2362 if (tlp_srom_crcok(romdata)) { 2363 /* 2364 * SROM CRC checks out; must be in the new format. 2365 */ 2366 return (1); 2367 } 2368 2369 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2370 if (cksum == 0xffff || cksum == 0) { 2371 /* 2372 * No checksum present. Check the SROM ID; 18 bytes of 0 2373 * followed by 1 (version) followed by the number of 2374 * adapters which use this SROM (should be non-zero). 2375 */ 2376 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2377 if (romdata[i] != 0) 2378 return (0); 2379 } 2380 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2381 return (0); 2382 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2383 return (0); 2384 return (1); 2385 } 2386 2387 return (0); 2388 } 2389 2390 /* 2391 * tlp_isv_srom_enaddr: 2392 * 2393 * Get the Ethernet address from an ISV SROM. 2394 */ 2395 int 2396 tlp_isv_srom_enaddr(sc, enaddr) 2397 struct tulip_softc *sc; 2398 u_int8_t *enaddr; 2399 { 2400 int i, devcnt; 2401 2402 if (tlp_isv_srom(sc->sc_srom) == 0) 2403 return (0); 2404 2405 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2406 for (i = 0; i < devcnt; i++) { 2407 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2408 break; 2409 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2410 sc->sc_devno) 2411 break; 2412 } 2413 2414 if (i == devcnt) 2415 return (0); 2416 2417 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2418 ETHER_ADDR_LEN); 2419 enaddr[5] += i; 2420 2421 return (1); 2422 } 2423 2424 /* 2425 * tlp_parse_old_srom: 2426 * 2427 * Parse old-format SROMs. 2428 * 2429 * This routine is largely lifted from Matt Thomas's `de' driver. 2430 */ 2431 int 2432 tlp_parse_old_srom(sc, enaddr) 2433 struct tulip_softc *sc; 2434 u_int8_t *enaddr; 2435 { 2436 static const u_int8_t testpat[] = 2437 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2438 int i; 2439 u_int32_t cksum; 2440 2441 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2442 /* 2443 * Some vendors (e.g. ZNYX) don't use the standard 2444 * DEC Address ROM format, but rather just have an 2445 * Ethernet address in the first 6 bytes, maybe a 2446 * 2 byte checksum, and then all 0xff's. 2447 * 2448 * On the other hand, Cobalt Networks interfaces 2449 * simply have the address in the first six bytes 2450 * with the rest zeroed out. 2451 */ 2452 for (i = 8; i < 32; i++) { 2453 if (sc->sc_srom[i] != 0xff && 2454 sc->sc_srom[i] != 0) 2455 return (0); 2456 } 2457 2458 /* 2459 * Sanity check the Ethernet address: 2460 * 2461 * - Make sure it's not multicast or locally 2462 * assigned 2463 * - Make sure it has a non-0 OUI 2464 */ 2465 if (sc->sc_srom[0] & 3) 2466 return (0); 2467 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2468 sc->sc_srom[2] == 0) 2469 return (0); 2470 2471 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2472 return (1); 2473 } 2474 2475 /* 2476 * Standard DEC Address ROM test. 2477 */ 2478 2479 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2480 return (0); 2481 2482 for (i = 0; i < 8; i++) { 2483 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2484 return (0); 2485 } 2486 2487 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2488 2489 cksum = *(u_int16_t *) &enaddr[0]; 2490 2491 cksum <<= 1; 2492 if (cksum > 0xffff) 2493 cksum -= 0xffff; 2494 2495 cksum += *(u_int16_t *) &enaddr[2]; 2496 if (cksum > 0xffff) 2497 cksum -= 0xffff; 2498 2499 cksum <<= 1; 2500 if (cksum > 0xffff) 2501 cksum -= 0xffff; 2502 2503 cksum += *(u_int16_t *) &enaddr[4]; 2504 if (cksum >= 0xffff) 2505 cksum -= 0xffff; 2506 2507 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2508 return (0); 2509 2510 return (1); 2511 } 2512 2513 /* 2514 * tlp_filter_setup: 2515 * 2516 * Set the Tulip's receive filter. 2517 */ 2518 void 2519 tlp_filter_setup(sc) 2520 struct tulip_softc *sc; 2521 { 2522 struct ethercom *ec = &sc->sc_ethercom; 2523 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2524 struct ether_multi *enm; 2525 struct ether_multistep step; 2526 __volatile u_int32_t *sp; 2527 struct tulip_txsoft *txs; 2528 u_int8_t enaddr[ETHER_ADDR_LEN]; 2529 u_int32_t hash, hashsize; 2530 int cnt; 2531 2532 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2533 sc->sc_dev.dv_xname, sc->sc_flags)); 2534 2535 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2536 2537 /* 2538 * If there are transmissions pending, wait until they have 2539 * completed. 2540 */ 2541 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2542 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2543 sc->sc_flags |= TULIPF_WANT_SETUP; 2544 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2545 sc->sc_dev.dv_xname)); 2546 return; 2547 } 2548 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2549 2550 switch (sc->sc_chip) { 2551 case TULIP_CHIP_82C115: 2552 hashsize = TULIP_PNICII_HASHSIZE; 2553 break; 2554 2555 default: 2556 hashsize = TULIP_MCHASHSIZE; 2557 } 2558 2559 /* 2560 * If we're running, idle the transmit and receive engines. If 2561 * we're NOT running, we're being called from tlp_init(), and our 2562 * writing OPMODE will start the transmit and receive processes 2563 * in motion. 2564 */ 2565 if (ifp->if_flags & IFF_RUNNING) 2566 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2567 2568 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2569 2570 if (ifp->if_flags & IFF_PROMISC) { 2571 sc->sc_opmode |= OPMODE_PR; 2572 goto allmulti; 2573 } 2574 2575 /* 2576 * Try Perfect filtering first. 2577 */ 2578 2579 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2580 sp = TULIP_CDSP(sc); 2581 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2582 cnt = 0; 2583 ETHER_FIRST_MULTI(step, ec, enm); 2584 while (enm != NULL) { 2585 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2586 /* 2587 * We must listen to a range of multicast addresses. 2588 * For now, just accept all multicasts, rather than 2589 * trying to set only those filter bits needed to match 2590 * the range. (At this time, the only use of address 2591 * ranges is for IP multicast routing, for which the 2592 * range is big enough to require all bits set.) 2593 */ 2594 goto allmulti; 2595 } 2596 if (cnt == (TULIP_MAXADDRS - 2)) { 2597 /* 2598 * We already have our multicast limit (still need 2599 * our station address and broadcast). Go to 2600 * Hash-Perfect mode. 2601 */ 2602 goto hashperfect; 2603 } 2604 cnt++; 2605 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2606 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2607 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2608 ETHER_NEXT_MULTI(step, enm); 2609 } 2610 2611 if (ifp->if_flags & IFF_BROADCAST) { 2612 /* ...and the broadcast address. */ 2613 cnt++; 2614 *sp++ = TULIP_SP_FIELD_C(0xffff); 2615 *sp++ = TULIP_SP_FIELD_C(0xffff); 2616 *sp++ = TULIP_SP_FIELD_C(0xffff); 2617 } 2618 2619 /* Pad the rest with our station address. */ 2620 for (; cnt < TULIP_MAXADDRS; cnt++) { 2621 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2622 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2623 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2624 } 2625 ifp->if_flags &= ~IFF_ALLMULTI; 2626 goto setit; 2627 2628 hashperfect: 2629 /* 2630 * Try Hash-Perfect mode. 2631 */ 2632 2633 /* 2634 * Some 21140 chips have broken Hash-Perfect modes. On these 2635 * chips, we simply use Hash-Only mode, and put our station 2636 * address into the filter. 2637 */ 2638 if (sc->sc_chip == TULIP_CHIP_21140) 2639 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2640 else 2641 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2642 sp = TULIP_CDSP(sc); 2643 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2644 ETHER_FIRST_MULTI(step, ec, enm); 2645 while (enm != NULL) { 2646 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2647 /* 2648 * We must listen to a range of multicast addresses. 2649 * For now, just accept all multicasts, rather than 2650 * trying to set only those filter bits needed to match 2651 * the range. (At this time, the only use of address 2652 * ranges is for IP multicast routing, for which the 2653 * range is big enough to require all bits set.) 2654 */ 2655 goto allmulti; 2656 } 2657 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2658 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2659 ETHER_NEXT_MULTI(step, enm); 2660 } 2661 2662 if (ifp->if_flags & IFF_BROADCAST) { 2663 /* ...and the broadcast address. */ 2664 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2665 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2666 } 2667 2668 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2669 /* ...and our station address. */ 2670 hash = tlp_mchash(enaddr, hashsize); 2671 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2672 } else { 2673 /* 2674 * Hash-Perfect mode; put our station address after 2675 * the hash table. 2676 */ 2677 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2678 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2679 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2680 } 2681 ifp->if_flags &= ~IFF_ALLMULTI; 2682 goto setit; 2683 2684 allmulti: 2685 /* 2686 * Use Perfect filter mode. First address is the broadcast address, 2687 * and pad the rest with our station address. We'll set Pass-all- 2688 * multicast in OPMODE below. 2689 */ 2690 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2691 sp = TULIP_CDSP(sc); 2692 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2693 cnt = 0; 2694 if (ifp->if_flags & IFF_BROADCAST) { 2695 cnt++; 2696 *sp++ = TULIP_SP_FIELD_C(0xffff); 2697 *sp++ = TULIP_SP_FIELD_C(0xffff); 2698 *sp++ = TULIP_SP_FIELD_C(0xffff); 2699 } 2700 for (; cnt < TULIP_MAXADDRS; cnt++) { 2701 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2702 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2703 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2704 } 2705 ifp->if_flags |= IFF_ALLMULTI; 2706 2707 setit: 2708 if (ifp->if_flags & IFF_ALLMULTI) 2709 sc->sc_opmode |= OPMODE_PM; 2710 2711 /* Sync the setup packet buffer. */ 2712 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2713 2714 /* 2715 * Fill in the setup packet descriptor. 2716 */ 2717 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2718 2719 txs->txs_firstdesc = sc->sc_txnext; 2720 txs->txs_lastdesc = sc->sc_txnext; 2721 txs->txs_ndescs = 1; 2722 txs->txs_mbuf = NULL; 2723 2724 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2725 htole32(TULIP_CDSPADDR(sc)); 2726 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2727 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2728 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2729 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2730 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2731 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2732 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2733 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2734 2735 /* Advance the tx pointer. */ 2736 sc->sc_txfree -= 1; 2737 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2738 2739 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2740 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2741 2742 /* 2743 * Set the OPMODE register. This will also resume the 2744 * transmit transmit process we idled above. 2745 */ 2746 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2747 2748 sc->sc_flags |= TULIPF_DOING_SETUP; 2749 2750 /* 2751 * Kick the transmitter; this will cause the Tulip to 2752 * read the setup descriptor. 2753 */ 2754 /* XXX USE AUTOPOLLING? */ 2755 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2756 2757 /* Set up a watchdog timer in case the chip flakes out. */ 2758 ifp->if_timer = 5; 2759 2760 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2761 } 2762 2763 /* 2764 * tlp_winb_filter_setup: 2765 * 2766 * Set the Winbond 89C840F's receive filter. 2767 */ 2768 void 2769 tlp_winb_filter_setup(sc) 2770 struct tulip_softc *sc; 2771 { 2772 struct ethercom *ec = &sc->sc_ethercom; 2773 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2774 struct ether_multi *enm; 2775 struct ether_multistep step; 2776 u_int32_t hash, mchash[2]; 2777 2778 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2779 sc->sc_dev.dv_xname, sc->sc_flags)); 2780 2781 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2782 2783 if (ifp->if_flags & IFF_MULTICAST) 2784 sc->sc_opmode |= OPMODE_WINB_AMP; 2785 2786 if (ifp->if_flags & IFF_BROADCAST) 2787 sc->sc_opmode |= OPMODE_WINB_ABP; 2788 2789 if (ifp->if_flags & IFF_PROMISC) { 2790 sc->sc_opmode |= OPMODE_WINB_APP; 2791 goto allmulti; 2792 } 2793 2794 mchash[0] = mchash[1] = 0; 2795 2796 ETHER_FIRST_MULTI(step, ec, enm); 2797 while (enm != NULL) { 2798 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2799 /* 2800 * We must listen to a range of multicast addresses. 2801 * For now, just accept all multicasts, rather than 2802 * trying to set only those filter bits needed to match 2803 * the range. (At this time, the only use of address 2804 * ranges is for IP multicast routing, for which the 2805 * range is big enough to require all bits set.) 2806 */ 2807 goto allmulti; 2808 } 2809 2810 /* 2811 * According to the FreeBSD `wb' driver, yes, you 2812 * really do invert the hash. 2813 */ 2814 hash = 2815 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2816 & 0x3f; 2817 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2818 ETHER_NEXT_MULTI(step, enm); 2819 } 2820 ifp->if_flags &= ~IFF_ALLMULTI; 2821 goto setit; 2822 2823 allmulti: 2824 ifp->if_flags |= IFF_ALLMULTI; 2825 mchash[0] = mchash[1] = 0xffffffff; 2826 2827 setit: 2828 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2829 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2830 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2831 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2832 sc->sc_dev.dv_xname)); 2833 } 2834 2835 /* 2836 * tlp_al981_filter_setup: 2837 * 2838 * Set the ADMtek AL981's receive filter. 2839 */ 2840 void 2841 tlp_al981_filter_setup(sc) 2842 struct tulip_softc *sc; 2843 { 2844 struct ethercom *ec = &sc->sc_ethercom; 2845 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2846 struct ether_multi *enm; 2847 struct ether_multistep step; 2848 u_int32_t hash, mchash[2]; 2849 2850 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2851 sc->sc_dev.dv_xname, sc->sc_flags)); 2852 2853 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2854 2855 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2856 2857 if (ifp->if_flags & IFF_PROMISC) { 2858 sc->sc_opmode |= OPMODE_PR; 2859 goto allmulti; 2860 } 2861 2862 mchash[0] = mchash[1] = 0; 2863 2864 ETHER_FIRST_MULTI(step, ec, enm); 2865 while (enm != NULL) { 2866 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2867 /* 2868 * We must listen to a range of multicast addresses. 2869 * For now, just accept all multicasts, rather than 2870 * trying to set only those filter bits needed to match 2871 * the range. (At this time, the only use of address 2872 * ranges is for IP multicast routing, for which the 2873 * range is big enough to require all bits set.) 2874 */ 2875 goto allmulti; 2876 } 2877 2878 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2879 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2880 ETHER_NEXT_MULTI(step, enm); 2881 } 2882 ifp->if_flags &= ~IFF_ALLMULTI; 2883 goto setit; 2884 2885 allmulti: 2886 ifp->if_flags |= IFF_ALLMULTI; 2887 mchash[0] = mchash[1] = 0xffffffff; 2888 2889 setit: 2890 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2891 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2892 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2893 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2894 sc->sc_dev.dv_xname)); 2895 } 2896 2897 /* 2898 * tlp_idle: 2899 * 2900 * Cause the transmit and/or receive processes to go idle. 2901 */ 2902 void 2903 tlp_idle(sc, bits) 2904 struct tulip_softc *sc; 2905 u_int32_t bits; 2906 { 2907 static const char *tlp_tx_state_names[] = { 2908 "STOPPED", 2909 "RUNNING - FETCH", 2910 "RUNNING - WAIT", 2911 "RUNNING - READING", 2912 "-- RESERVED --", 2913 "RUNNING - SETUP", 2914 "SUSPENDED", 2915 "RUNNING - CLOSE", 2916 }; 2917 static const char *tlp_rx_state_names[] = { 2918 "STOPPED", 2919 "RUNNING - FETCH", 2920 "RUNNING - CHECK", 2921 "RUNNING - WAIT", 2922 "SUSPENDED", 2923 "RUNNING - CLOSE", 2924 "RUNNING - FLUSH", 2925 "RUNNING - QUEUE", 2926 }; 2927 static const char *dm9102_tx_state_names[] = { 2928 "STOPPED", 2929 "RUNNING - FETCH", 2930 "RUNNING - SETUP", 2931 "RUNNING - READING", 2932 "RUNNING - CLOSE - CLEAR OWNER", 2933 "RUNNING - WAIT", 2934 "RUNNING - CLOSE - WRITE STATUS", 2935 "SUSPENDED", 2936 }; 2937 static const char *dm9102_rx_state_names[] = { 2938 "STOPPED", 2939 "RUNNING - FETCH", 2940 "RUNNING - WAIT", 2941 "RUNNING - QUEUE", 2942 "RUNNING - CLOSE - CLEAR OWNER", 2943 "RUNNING - CLOSE - WRITE STATUS", 2944 "SUSPENDED", 2945 "RUNNING - FLUSH", 2946 }; 2947 2948 const char **tx_state_names, **rx_state_names; 2949 u_int32_t csr, ackmask = 0; 2950 int i; 2951 2952 switch (sc->sc_chip) { 2953 case TULIP_CHIP_DM9102: 2954 case TULIP_CHIP_DM9102A: 2955 tx_state_names = dm9102_tx_state_names; 2956 rx_state_names = dm9102_rx_state_names; 2957 break; 2958 2959 default: 2960 tx_state_names = tlp_tx_state_names; 2961 rx_state_names = tlp_rx_state_names; 2962 break; 2963 } 2964 2965 if (bits & OPMODE_ST) 2966 ackmask |= STATUS_TPS; 2967 2968 if (bits & OPMODE_SR) 2969 ackmask |= STATUS_RPS; 2970 2971 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2972 2973 for (i = 0; i < 1000; i++) { 2974 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2975 break; 2976 delay(10); 2977 } 2978 2979 csr = TULIP_READ(sc, CSR_STATUS); 2980 if ((csr & ackmask) != ackmask) { 2981 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2982 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2983 printf("%s: transmit process failed to idle: " 2984 "state %s\n", sc->sc_dev.dv_xname, 2985 tx_state_names[(csr & STATUS_TS) >> 20]); 2986 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2987 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2988 printf("%s: receive process failed to idle: " 2989 "state %s\n", sc->sc_dev.dv_xname, 2990 rx_state_names[(csr & STATUS_RS) >> 17]); 2991 } 2992 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2993 } 2994 2995 /***************************************************************************** 2996 * Generic media support functions. 2997 *****************************************************************************/ 2998 2999 /* 3000 * tlp_mediastatus: [ifmedia interface function] 3001 * 3002 * Query the current media. 3003 */ 3004 void 3005 tlp_mediastatus(ifp, ifmr) 3006 struct ifnet *ifp; 3007 struct ifmediareq *ifmr; 3008 { 3009 struct tulip_softc *sc = ifp->if_softc; 3010 3011 if (TULIP_IS_ENABLED(sc) == 0) { 3012 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3013 ifmr->ifm_status = 0; 3014 return; 3015 } 3016 3017 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3018 } 3019 3020 /* 3021 * tlp_mediachange: [ifmedia interface function] 3022 * 3023 * Update the current media. 3024 */ 3025 int 3026 tlp_mediachange(ifp) 3027 struct ifnet *ifp; 3028 { 3029 struct tulip_softc *sc = ifp->if_softc; 3030 3031 if ((ifp->if_flags & IFF_UP) == 0) 3032 return (0); 3033 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3034 } 3035 3036 /***************************************************************************** 3037 * Support functions for MII-attached media. 3038 *****************************************************************************/ 3039 3040 /* 3041 * tlp_mii_tick: 3042 * 3043 * One second timer, used to tick the MII. 3044 */ 3045 void 3046 tlp_mii_tick(arg) 3047 void *arg; 3048 { 3049 struct tulip_softc *sc = arg; 3050 int s; 3051 3052 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3053 return; 3054 3055 s = splnet(); 3056 mii_tick(&sc->sc_mii); 3057 splx(s); 3058 3059 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3060 } 3061 3062 /* 3063 * tlp_mii_statchg: [mii interface function] 3064 * 3065 * Callback from PHY when media changes. 3066 */ 3067 void 3068 tlp_mii_statchg(self) 3069 struct device *self; 3070 { 3071 struct tulip_softc *sc = (struct tulip_softc *)self; 3072 3073 /* Idle the transmit and receive processes. */ 3074 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3075 3076 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3077 3078 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3079 sc->sc_opmode |= OPMODE_TTM; 3080 else 3081 sc->sc_opmode |= OPMODE_HBD; 3082 3083 if (sc->sc_mii.mii_media_active & IFM_FDX) 3084 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3085 3086 /* 3087 * Write new OPMODE bits. This also restarts the transmit 3088 * and receive processes. 3089 */ 3090 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3091 } 3092 3093 /* 3094 * tlp_winb_mii_statchg: [mii interface function] 3095 * 3096 * Callback from PHY when media changes. This version is 3097 * for the Winbond 89C840F, which has different OPMODE bits. 3098 */ 3099 void 3100 tlp_winb_mii_statchg(self) 3101 struct device *self; 3102 { 3103 struct tulip_softc *sc = (struct tulip_softc *)self; 3104 3105 /* Idle the transmit and receive processes. */ 3106 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3107 3108 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3109 3110 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3111 sc->sc_opmode |= OPMODE_WINB_FES; 3112 3113 if (sc->sc_mii.mii_media_active & IFM_FDX) 3114 sc->sc_opmode |= OPMODE_FD; 3115 3116 /* 3117 * Write new OPMODE bits. This also restarts the transmit 3118 * and receive processes. 3119 */ 3120 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3121 } 3122 3123 /* 3124 * tlp_dm9102_mii_statchg: [mii interface function] 3125 * 3126 * Callback from PHY when media changes. This version is 3127 * for the DM9102. 3128 */ 3129 void 3130 tlp_dm9102_mii_statchg(self) 3131 struct device *self; 3132 { 3133 struct tulip_softc *sc = (struct tulip_softc *)self; 3134 3135 /* 3136 * Don't idle the transmit and receive processes, here. It 3137 * seems to fail, and just causes excess noise. 3138 */ 3139 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3140 3141 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3142 sc->sc_opmode |= OPMODE_TTM; 3143 3144 if (sc->sc_mii.mii_media_active & IFM_FDX) 3145 sc->sc_opmode |= OPMODE_FD; 3146 3147 /* 3148 * Write new OPMODE bits. 3149 */ 3150 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3151 } 3152 3153 /* 3154 * tlp_mii_getmedia: 3155 * 3156 * Callback from ifmedia to request current media status. 3157 */ 3158 void 3159 tlp_mii_getmedia(sc, ifmr) 3160 struct tulip_softc *sc; 3161 struct ifmediareq *ifmr; 3162 { 3163 3164 mii_pollstat(&sc->sc_mii); 3165 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3166 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3167 } 3168 3169 /* 3170 * tlp_mii_setmedia: 3171 * 3172 * Callback from ifmedia to request new media setting. 3173 */ 3174 int 3175 tlp_mii_setmedia(sc) 3176 struct tulip_softc *sc; 3177 { 3178 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3179 3180 if (ifp->if_flags & IFF_UP) { 3181 switch (sc->sc_chip) { 3182 case TULIP_CHIP_21142: 3183 case TULIP_CHIP_21143: 3184 /* Disable the internal Nway engine. */ 3185 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3186 break; 3187 3188 default: 3189 /* Nothing. */ 3190 } 3191 mii_mediachg(&sc->sc_mii); 3192 } 3193 return (0); 3194 } 3195 3196 /* 3197 * tlp_bitbang_mii_readreg: 3198 * 3199 * Read a PHY register via bit-bang'ing the MII. 3200 */ 3201 int 3202 tlp_bitbang_mii_readreg(self, phy, reg) 3203 struct device *self; 3204 int phy, reg; 3205 { 3206 struct tulip_softc *sc = (void *) self; 3207 3208 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3209 } 3210 3211 /* 3212 * tlp_bitbang_mii_writereg: 3213 * 3214 * Write a PHY register via bit-bang'ing the MII. 3215 */ 3216 void 3217 tlp_bitbang_mii_writereg(self, phy, reg, val) 3218 struct device *self; 3219 int phy, reg, val; 3220 { 3221 struct tulip_softc *sc = (void *) self; 3222 3223 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3224 } 3225 3226 /* 3227 * tlp_sio_mii_bitbang_read: 3228 * 3229 * Read the MII serial port for the MII bit-bang module. 3230 */ 3231 u_int32_t 3232 tlp_sio_mii_bitbang_read(self) 3233 struct device *self; 3234 { 3235 struct tulip_softc *sc = (void *) self; 3236 3237 return (TULIP_READ(sc, CSR_MIIROM)); 3238 } 3239 3240 /* 3241 * tlp_sio_mii_bitbang_write: 3242 * 3243 * Write the MII serial port for the MII bit-bang module. 3244 */ 3245 void 3246 tlp_sio_mii_bitbang_write(self, val) 3247 struct device *self; 3248 u_int32_t val; 3249 { 3250 struct tulip_softc *sc = (void *) self; 3251 3252 TULIP_WRITE(sc, CSR_MIIROM, val); 3253 } 3254 3255 /* 3256 * tlp_pnic_mii_readreg: 3257 * 3258 * Read a PHY register on the Lite-On PNIC. 3259 */ 3260 int 3261 tlp_pnic_mii_readreg(self, phy, reg) 3262 struct device *self; 3263 int phy, reg; 3264 { 3265 struct tulip_softc *sc = (void *) self; 3266 u_int32_t val; 3267 int i; 3268 3269 TULIP_WRITE(sc, CSR_PNIC_MII, 3270 PNIC_MII_MBO | PNIC_MII_RESERVED | 3271 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3272 (reg << PNIC_MII_REGSHIFT)); 3273 3274 for (i = 0; i < 1000; i++) { 3275 delay(10); 3276 val = TULIP_READ(sc, CSR_PNIC_MII); 3277 if ((val & PNIC_MII_BUSY) == 0) { 3278 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3279 return (0); 3280 else 3281 return (val & PNIC_MII_DATA); 3282 } 3283 } 3284 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3285 return (0); 3286 } 3287 3288 /* 3289 * tlp_pnic_mii_writereg: 3290 * 3291 * Write a PHY register on the Lite-On PNIC. 3292 */ 3293 void 3294 tlp_pnic_mii_writereg(self, phy, reg, val) 3295 struct device *self; 3296 int phy, reg, val; 3297 { 3298 struct tulip_softc *sc = (void *) self; 3299 int i; 3300 3301 TULIP_WRITE(sc, CSR_PNIC_MII, 3302 PNIC_MII_MBO | PNIC_MII_RESERVED | 3303 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3304 (reg << PNIC_MII_REGSHIFT) | val); 3305 3306 for (i = 0; i < 1000; i++) { 3307 delay(10); 3308 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3309 return; 3310 } 3311 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3312 } 3313 3314 const bus_addr_t tlp_al981_phy_regmap[] = { 3315 CSR_ADM_BMCR, 3316 CSR_ADM_BMSR, 3317 CSR_ADM_PHYIDR1, 3318 CSR_ADM_PHYIDR2, 3319 CSR_ADM_ANAR, 3320 CSR_ADM_ANLPAR, 3321 CSR_ADM_ANER, 3322 3323 CSR_ADM_XMC, 3324 CSR_ADM_XCIIS, 3325 CSR_ADM_XIE, 3326 CSR_ADM_100CTR, 3327 }; 3328 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3329 sizeof(tlp_al981_phy_regmap[0]); 3330 3331 /* 3332 * tlp_al981_mii_readreg: 3333 * 3334 * Read a PHY register on the ADMtek AL981. 3335 */ 3336 int 3337 tlp_al981_mii_readreg(self, phy, reg) 3338 struct device *self; 3339 int phy, reg; 3340 { 3341 struct tulip_softc *sc = (struct tulip_softc *)self; 3342 3343 /* AL981 only has an internal PHY. */ 3344 if (phy != 0) 3345 return (0); 3346 3347 if (reg >= tlp_al981_phy_regmap_size) 3348 return (0); 3349 3350 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3351 tlp_al981_phy_regmap[reg]) & 0xffff); 3352 } 3353 3354 /* 3355 * tlp_al981_mii_writereg: 3356 * 3357 * Write a PHY register on the ADMtek AL981. 3358 */ 3359 void 3360 tlp_al981_mii_writereg(self, phy, reg, val) 3361 struct device *self; 3362 int phy, reg, val; 3363 { 3364 struct tulip_softc *sc = (struct tulip_softc *)self; 3365 3366 /* AL981 only has an internal PHY. */ 3367 if (phy != 0) 3368 return; 3369 3370 if (reg >= tlp_al981_phy_regmap_size) 3371 return; 3372 3373 bus_space_write_4(sc->sc_st, sc->sc_sh, 3374 tlp_al981_phy_regmap[reg], val); 3375 } 3376 3377 /***************************************************************************** 3378 * Chip-specific pre-init and reset functions. 3379 *****************************************************************************/ 3380 3381 /* 3382 * tlp_2114x_preinit: 3383 * 3384 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3385 */ 3386 void 3387 tlp_2114x_preinit(sc) 3388 struct tulip_softc *sc; 3389 { 3390 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3391 struct tulip_21x4x_media *tm = ife->ifm_aux; 3392 3393 /* 3394 * Whether or not we're in MII or SIA/SYM mode, the media info 3395 * contains the appropriate OPMODE bits. 3396 * 3397 * Note that if we have no media info, we are are doing 3398 * non-MII `auto'. 3399 * 3400 * Also, we always set the Must-Be-One bit. 3401 */ 3402 if (tm == NULL) { 3403 #ifdef DIAGNOSTIC 3404 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3405 panic("tlp_2114x_preinit: not IFM_AUTO"); 3406 if (sc->sc_nway_active == NULL) 3407 panic("tlp_2114x_preinit: nway_active NULL"); 3408 #endif 3409 tm = sc->sc_nway_active->ifm_aux; 3410 } 3411 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3412 3413 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3414 } 3415 3416 /* 3417 * tlp_2114x_mii_preinit: 3418 * 3419 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3420 * This version is used by boards which only have MII and don't have 3421 * an ISV SROM. 3422 */ 3423 void 3424 tlp_2114x_mii_preinit(sc) 3425 struct tulip_softc *sc; 3426 { 3427 3428 /* 3429 * Always set the Must-Be-One bit, and Port Select (to select MII). 3430 * We'll never be called during a media change. 3431 */ 3432 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3433 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3434 } 3435 3436 /* 3437 * tlp_pnic_preinit: 3438 * 3439 * Pre-init function for the Lite-On 82c168 and 82c169. 3440 */ 3441 void 3442 tlp_pnic_preinit(sc) 3443 struct tulip_softc *sc; 3444 { 3445 3446 if (sc->sc_flags & TULIPF_HAS_MII) { 3447 /* 3448 * MII case: just set the port-select bit; we will never 3449 * be called during a media change. 3450 */ 3451 sc->sc_opmode |= OPMODE_PS; 3452 } else { 3453 /* 3454 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3455 */ 3456 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3457 } 3458 } 3459 3460 /* 3461 * tlp_dm9102_preinit: 3462 * 3463 * Pre-init function for the Davicom DM9102. 3464 */ 3465 void 3466 tlp_dm9102_preinit(sc) 3467 struct tulip_softc *sc; 3468 { 3469 3470 switch (sc->sc_chip) { 3471 case TULIP_CHIP_DM9102: 3472 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3473 break; 3474 3475 case TULIP_CHIP_DM9102A: 3476 /* 3477 * XXX Figure out how to actually deal with the HomePNA 3478 * XXX portion of the DM9102A. 3479 */ 3480 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3481 break; 3482 3483 default: 3484 /* Nothing. */ 3485 } 3486 3487 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3488 } 3489 3490 /* 3491 * tlp_21140_reset: 3492 * 3493 * Issue a reset sequence on the 21140 via the GPIO facility. 3494 */ 3495 void 3496 tlp_21140_reset(sc) 3497 struct tulip_softc *sc; 3498 { 3499 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3500 struct tulip_21x4x_media *tm = ife->ifm_aux; 3501 int i; 3502 3503 /* First, set the direction on the GPIO pins. */ 3504 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3505 3506 /* Now, issue the reset sequence. */ 3507 for (i = 0; i < tm->tm_reset_length; i++) { 3508 delay(10); 3509 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3510 } 3511 3512 /* Now, issue the selection sequence. */ 3513 for (i = 0; i < tm->tm_gp_length; i++) { 3514 delay(10); 3515 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3516 } 3517 3518 /* If there were no sequences, just lower the pins. */ 3519 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3520 TULIP_WRITE(sc, CSR_GPP, 0); 3521 } 3522 3523 /* 3524 * tlp_21142_reset: 3525 * 3526 * Issue a reset sequence on the 21142 via the GPIO facility. 3527 */ 3528 void 3529 tlp_21142_reset(sc) 3530 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 const u_int8_t *ncp; 3535 int i; 3536 3537 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3538 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3539 delay(10); 3540 TULIP_WRITE(sc, CSR_SIAGEN, 3541 TULIP_ROM_GETW(ncp, 0) << 16); 3542 } 3543 3544 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3545 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3546 delay(10); 3547 TULIP_WRITE(sc, CSR_SIAGEN, 3548 TULIP_ROM_GETW(ncp, 0) << 16); 3549 } 3550 3551 /* If there were no sequences, just lower the pins. */ 3552 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3553 delay(10); 3554 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3555 } 3556 } 3557 3558 /* 3559 * tlp_pmac_reset: 3560 * 3561 * Reset routine for Macronix chips. 3562 */ 3563 void 3564 tlp_pmac_reset(sc) 3565 struct tulip_softc *sc; 3566 { 3567 3568 switch (sc->sc_chip) { 3569 case TULIP_CHIP_82C115: 3570 case TULIP_CHIP_MX98715: 3571 case TULIP_CHIP_MX98715A: 3572 case TULIP_CHIP_MX98725: 3573 /* 3574 * Set the LED operating mode. This information is located 3575 * in the EEPROM at byte offset 0x77, per the MX98715A and 3576 * MX98725 application notes. 3577 */ 3578 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3579 break; 3580 case TULIP_CHIP_MX98715AEC_X: 3581 /* 3582 * Set the LED operating mode. This information is located 3583 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3584 * application note. 3585 */ 3586 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3587 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3588 break; 3589 3590 default: 3591 /* Nothing. */ 3592 } 3593 } 3594 3595 /* 3596 * tlp_dm9102_reset: 3597 * 3598 * Reset routine for the Davicom DM9102. 3599 */ 3600 void 3601 tlp_dm9102_reset(sc) 3602 struct tulip_softc *sc; 3603 { 3604 3605 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3606 delay(100); 3607 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3608 } 3609 3610 /***************************************************************************** 3611 * Chip/board-specific media switches. The ones here are ones that 3612 * are potentially common to multiple front-ends. 3613 *****************************************************************************/ 3614 3615 /* 3616 * This table is a common place for all sorts of media information, 3617 * keyed off of the SROM media code for that media. 3618 * 3619 * Note that we explicitly configure the 21142/21143 to always advertise 3620 * NWay capabilities when using the UTP port. 3621 * XXX Actually, we don't yet. 3622 */ 3623 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3624 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3625 "10baseT", 3626 0, 3627 { SIACONN_21040_10BASET, 3628 SIATXRX_21040_10BASET, 3629 SIAGEN_21040_10BASET }, 3630 3631 { SIACONN_21041_10BASET, 3632 SIATXRX_21041_10BASET, 3633 SIAGEN_21041_10BASET }, 3634 3635 { SIACONN_21142_10BASET, 3636 SIATXRX_21142_10BASET, 3637 SIAGEN_21142_10BASET } }, 3638 3639 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3640 "10base2", 3641 0, 3642 { 0, 3643 0, 3644 0 }, 3645 3646 { SIACONN_21041_BNC, 3647 SIATXRX_21041_BNC, 3648 SIAGEN_21041_BNC }, 3649 3650 { SIACONN_21142_BNC, 3651 SIATXRX_21142_BNC, 3652 SIAGEN_21142_BNC } }, 3653 3654 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3655 "10base5", 3656 0, 3657 { SIACONN_21040_AUI, 3658 SIATXRX_21040_AUI, 3659 SIAGEN_21040_AUI }, 3660 3661 { SIACONN_21041_AUI, 3662 SIATXRX_21041_AUI, 3663 SIAGEN_21041_AUI }, 3664 3665 { SIACONN_21142_AUI, 3666 SIATXRX_21142_AUI, 3667 SIAGEN_21142_AUI } }, 3668 3669 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3670 "100baseTX", 3671 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3672 { 0, 3673 0, 3674 0 }, 3675 3676 { 0, 3677 0, 3678 0 }, 3679 3680 { 0, 3681 0, 3682 SIAGEN_ABM } }, 3683 3684 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3685 "10baseT-FDX", 3686 OPMODE_FD|OPMODE_HBD, 3687 { SIACONN_21040_10BASET_FDX, 3688 SIATXRX_21040_10BASET_FDX, 3689 SIAGEN_21040_10BASET_FDX }, 3690 3691 { SIACONN_21041_10BASET_FDX, 3692 SIATXRX_21041_10BASET_FDX, 3693 SIAGEN_21041_10BASET_FDX }, 3694 3695 { SIACONN_21142_10BASET_FDX, 3696 SIATXRX_21142_10BASET_FDX, 3697 SIAGEN_21142_10BASET_FDX } }, 3698 3699 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3700 "100baseTX-FDX", 3701 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3702 { 0, 3703 0, 3704 0 }, 3705 3706 { 0, 3707 0, 3708 0 }, 3709 3710 { 0, 3711 0, 3712 SIAGEN_ABM } }, 3713 3714 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3715 "100baseT4", 3716 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3717 { 0, 3718 0, 3719 0 }, 3720 3721 { 0, 3722 0, 3723 0 }, 3724 3725 { 0, 3726 0, 3727 SIAGEN_ABM } }, 3728 3729 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3730 "100baseFX", 3731 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3732 { 0, 3733 0, 3734 0 }, 3735 3736 { 0, 3737 0, 3738 0 }, 3739 3740 { 0, 3741 0, 3742 SIAGEN_ABM } }, 3743 3744 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3745 "100baseFX-FDX", 3746 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3747 { 0, 3748 0, 3749 0 }, 3750 3751 { 0, 3752 0, 3753 0 }, 3754 3755 { 0, 3756 0, 3757 SIAGEN_ABM } }, 3758 3759 { 0, 0, 0, 3760 NULL, 3761 0, 3762 { 0, 3763 0, 3764 0 }, 3765 3766 { 0, 3767 0, 3768 0 }, 3769 3770 { 0, 3771 0, 3772 0 } }, 3773 }; 3774 3775 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3776 void tlp_srom_media_info __P((struct tulip_softc *, 3777 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3778 void tlp_add_srom_media __P((struct tulip_softc *, int, 3779 void (*)(struct tulip_softc *, struct ifmediareq *), 3780 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3781 void tlp_print_media __P((struct tulip_softc *)); 3782 void tlp_nway_activate __P((struct tulip_softc *, int)); 3783 void tlp_get_minst __P((struct tulip_softc *)); 3784 3785 const struct tulip_srom_to_ifmedia * 3786 tlp_srom_to_ifmedia(sm) 3787 u_int8_t sm; 3788 { 3789 const struct tulip_srom_to_ifmedia *tsti; 3790 3791 for (tsti = tulip_srom_to_ifmedia_table; 3792 tsti->tsti_name != NULL; tsti++) { 3793 if (tsti->tsti_srom == sm) 3794 return (tsti); 3795 } 3796 3797 return (NULL); 3798 } 3799 3800 void 3801 tlp_srom_media_info(sc, tsti, tm) 3802 struct tulip_softc *sc; 3803 const struct tulip_srom_to_ifmedia *tsti; 3804 struct tulip_21x4x_media *tm; 3805 { 3806 3807 tm->tm_name = tsti->tsti_name; 3808 tm->tm_opmode = tsti->tsti_opmode; 3809 3810 switch (sc->sc_chip) { 3811 case TULIP_CHIP_DE425: 3812 case TULIP_CHIP_21040: 3813 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3814 break; 3815 3816 case TULIP_CHIP_21041: 3817 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3818 break; 3819 3820 case TULIP_CHIP_21142: 3821 case TULIP_CHIP_21143: 3822 case TULIP_CHIP_82C115: 3823 case TULIP_CHIP_MX98715: 3824 case TULIP_CHIP_MX98715A: 3825 case TULIP_CHIP_MX98715AEC_X: 3826 case TULIP_CHIP_MX98725: 3827 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3828 break; 3829 3830 default: 3831 /* Nothing. */ 3832 } 3833 } 3834 3835 void 3836 tlp_add_srom_media(sc, type, get, set, list, cnt) 3837 struct tulip_softc *sc; 3838 int type; 3839 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3840 int (*set) __P((struct tulip_softc *)); 3841 const u_int8_t *list; 3842 int cnt; 3843 { 3844 struct tulip_21x4x_media *tm; 3845 const struct tulip_srom_to_ifmedia *tsti; 3846 int i; 3847 3848 for (i = 0; i < cnt; i++) { 3849 tsti = tlp_srom_to_ifmedia(list[i]); 3850 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3851 memset(tm, 0, sizeof(*tm)); 3852 tlp_srom_media_info(sc, tsti, tm); 3853 tm->tm_type = type; 3854 tm->tm_get = get; 3855 tm->tm_set = set; 3856 3857 ifmedia_add(&sc->sc_mii.mii_media, 3858 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3859 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3860 } 3861 } 3862 3863 void 3864 tlp_print_media(sc) 3865 struct tulip_softc *sc; 3866 { 3867 struct ifmedia_entry *ife; 3868 struct tulip_21x4x_media *tm; 3869 const char *sep = ""; 3870 3871 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3872 3873 printf("%s: ", sc->sc_dev.dv_xname); 3874 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3875 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3876 tm = ife->ifm_aux; 3877 if (tm == NULL) { 3878 #ifdef DIAGNOSTIC 3879 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3880 panic("tlp_print_media"); 3881 #endif 3882 PRINT("auto"); 3883 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3884 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3885 PRINT(tm->tm_name); 3886 } 3887 } 3888 printf("\n"); 3889 3890 #undef PRINT 3891 } 3892 3893 void 3894 tlp_nway_activate(sc, media) 3895 struct tulip_softc *sc; 3896 int media; 3897 { 3898 struct ifmedia_entry *ife; 3899 3900 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3901 #ifdef DIAGNOSTIC 3902 if (ife == NULL) 3903 panic("tlp_nway_activate"); 3904 #endif 3905 sc->sc_nway_active = ife; 3906 } 3907 3908 void 3909 tlp_get_minst(sc) 3910 struct tulip_softc *sc; 3911 { 3912 3913 if ((sc->sc_media_seen & 3914 ~((1 << TULIP_ROM_MB_21140_MII) | 3915 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3916 /* 3917 * We have not yet seen any SIA/SYM media (but are 3918 * about to; that's why we're called!), so assign 3919 * the current media instance to be the `internal media' 3920 * instance, and advance it so any MII media gets a 3921 * fresh one (used to selecting/isolating a PHY). 3922 */ 3923 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3924 } 3925 } 3926 3927 /* 3928 * SIA Utility functions. 3929 */ 3930 void tlp_sia_update_link __P((struct tulip_softc *)); 3931 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3932 int tlp_sia_set __P((struct tulip_softc *)); 3933 void tlp_sia_fixup __P((struct tulip_softc *)); 3934 3935 void 3936 tlp_sia_update_link(sc) 3937 struct tulip_softc *sc; 3938 { 3939 struct ifmedia_entry *ife; 3940 struct tulip_21x4x_media *tm; 3941 u_int32_t siastat; 3942 3943 ife = TULIP_CURRENT_MEDIA(sc); 3944 tm = ife->ifm_aux; 3945 3946 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3947 3948 siastat = TULIP_READ(sc, CSR_SIASTAT); 3949 3950 /* 3951 * Note that when we do SIA link tests, we are assuming that 3952 * the chip is really in the mode that the current media setting 3953 * reflects. If we're not, then the link tests will not be 3954 * accurate! 3955 */ 3956 switch (IFM_SUBTYPE(ife->ifm_media)) { 3957 case IFM_10_T: 3958 sc->sc_flags |= TULIPF_LINK_VALID; 3959 if ((siastat & SIASTAT_LS10) == 0) 3960 sc->sc_flags |= TULIPF_LINK_UP; 3961 break; 3962 3963 case IFM_100_TX: 3964 case IFM_100_T4: 3965 sc->sc_flags |= TULIPF_LINK_VALID; 3966 if ((siastat & SIASTAT_LS100) == 0) 3967 sc->sc_flags |= TULIPF_LINK_UP; 3968 break; 3969 } 3970 3971 switch (sc->sc_chip) { 3972 case TULIP_CHIP_21142: 3973 case TULIP_CHIP_21143: 3974 /* 3975 * On these chips, we can tell more information about 3976 * AUI/BNC. Note that the AUI/BNC selection is made 3977 * in a different register; for our purpose, it's all 3978 * AUI. 3979 */ 3980 switch (IFM_SUBTYPE(ife->ifm_media)) { 3981 case IFM_10_2: 3982 case IFM_10_5: 3983 sc->sc_flags |= TULIPF_LINK_VALID; 3984 if (siastat & SIASTAT_ARA) { 3985 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3986 sc->sc_flags |= TULIPF_LINK_UP; 3987 } 3988 break; 3989 3990 default: 3991 /* 3992 * If we're SYM media and can detect the link 3993 * via the GPIO facility, prefer that status 3994 * over LS100. 3995 */ 3996 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3997 tm->tm_actmask != 0) { 3998 sc->sc_flags = (sc->sc_flags & 3999 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4000 if (TULIP_ISSET(sc, CSR_SIAGEN, 4001 tm->tm_actmask) == tm->tm_actdata) 4002 sc->sc_flags |= TULIPF_LINK_UP; 4003 } 4004 } 4005 break; 4006 4007 default: 4008 /* Nothing. */ 4009 } 4010 } 4011 4012 void 4013 tlp_sia_get(sc, ifmr) 4014 struct tulip_softc *sc; 4015 struct ifmediareq *ifmr; 4016 { 4017 struct ifmedia_entry *ife; 4018 4019 ifmr->ifm_status = 0; 4020 4021 tlp_sia_update_link(sc); 4022 4023 ife = TULIP_CURRENT_MEDIA(sc); 4024 4025 if (sc->sc_flags & TULIPF_LINK_VALID) 4026 ifmr->ifm_status |= IFM_AVALID; 4027 if (sc->sc_flags & TULIPF_LINK_UP) 4028 ifmr->ifm_status |= IFM_ACTIVE; 4029 ifmr->ifm_active = ife->ifm_media; 4030 } 4031 4032 void 4033 tlp_sia_fixup(sc) 4034 struct tulip_softc *sc; 4035 { 4036 struct ifmedia_entry *ife; 4037 struct tulip_21x4x_media *tm; 4038 u_int32_t siaconn, siatxrx, siagen; 4039 4040 switch (sc->sc_chip) { 4041 case TULIP_CHIP_82C115: 4042 case TULIP_CHIP_MX98713A: 4043 case TULIP_CHIP_MX98715: 4044 case TULIP_CHIP_MX98715A: 4045 case TULIP_CHIP_MX98715AEC_X: 4046 case TULIP_CHIP_MX98725: 4047 siaconn = PMAC_SIACONN_MASK; 4048 siatxrx = PMAC_SIATXRX_MASK; 4049 siagen = PMAC_SIAGEN_MASK; 4050 break; 4051 4052 default: 4053 /* No fixups required on any other chips. */ 4054 return; 4055 } 4056 4057 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4058 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4059 tm = ife->ifm_aux; 4060 if (tm == NULL) 4061 continue; 4062 4063 tm->tm_siaconn &= siaconn; 4064 tm->tm_siatxrx &= siatxrx; 4065 tm->tm_siagen &= siagen; 4066 } 4067 } 4068 4069 int 4070 tlp_sia_set(sc) 4071 struct tulip_softc *sc; 4072 { 4073 struct ifmedia_entry *ife; 4074 struct tulip_21x4x_media *tm; 4075 4076 ife = TULIP_CURRENT_MEDIA(sc); 4077 tm = ife->ifm_aux; 4078 4079 /* 4080 * XXX This appears to be necessary on a bunch of the clone chips. 4081 */ 4082 delay(20000); 4083 4084 /* 4085 * Idle the chip. 4086 */ 4087 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4088 4089 /* 4090 * Program the SIA. It's important to write in this order, 4091 * resetting the SIA first. 4092 */ 4093 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4094 delay(1000); 4095 4096 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4097 4098 switch (sc->sc_chip) { 4099 case TULIP_CHIP_21142: 4100 case TULIP_CHIP_21143: 4101 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4102 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4103 break; 4104 default: 4105 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4106 } 4107 4108 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4109 4110 /* 4111 * Set the OPMODE bits for this media and write OPMODE. 4112 * This will resume the transmit and receive processes. 4113 */ 4114 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4115 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4116 4117 return (0); 4118 } 4119 4120 /* 4121 * 21140 GPIO utility functions. 4122 */ 4123 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4124 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4125 struct ifmediareq *ifmr)); 4126 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4127 4128 void 4129 tlp_21140_gpio_update_link(sc) 4130 struct tulip_softc *sc; 4131 { 4132 struct ifmedia_entry *ife; 4133 struct tulip_21x4x_media *tm; 4134 4135 ife = TULIP_CURRENT_MEDIA(sc); 4136 tm = ife->ifm_aux; 4137 4138 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4139 4140 if (tm->tm_actmask != 0) { 4141 sc->sc_flags |= TULIPF_LINK_VALID; 4142 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4143 tm->tm_actdata) 4144 sc->sc_flags |= TULIPF_LINK_UP; 4145 } 4146 } 4147 4148 void 4149 tlp_21140_gpio_get(sc, ifmr) 4150 struct tulip_softc *sc; 4151 struct ifmediareq *ifmr; 4152 { 4153 struct ifmedia_entry *ife; 4154 4155 ifmr->ifm_status = 0; 4156 4157 tlp_21140_gpio_update_link(sc); 4158 4159 ife = TULIP_CURRENT_MEDIA(sc); 4160 4161 if (sc->sc_flags & TULIPF_LINK_VALID) 4162 ifmr->ifm_status |= IFM_AVALID; 4163 if (sc->sc_flags & TULIPF_LINK_UP) 4164 ifmr->ifm_status |= IFM_ACTIVE; 4165 ifmr->ifm_active = ife->ifm_media; 4166 } 4167 4168 int 4169 tlp_21140_gpio_set(sc) 4170 struct tulip_softc *sc; 4171 { 4172 struct ifmedia_entry *ife; 4173 struct tulip_21x4x_media *tm; 4174 4175 ife = TULIP_CURRENT_MEDIA(sc); 4176 tm = ife->ifm_aux; 4177 4178 /* 4179 * Idle the chip. 4180 */ 4181 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4182 4183 /* 4184 * Set the GPIO pins for this media, to flip any 4185 * relays, etc. 4186 */ 4187 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4188 delay(10); 4189 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4190 4191 /* 4192 * Set the OPMODE bits for this media and write OPMODE. 4193 * This will resume the transmit and receive processes. 4194 */ 4195 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4196 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4197 4198 return (0); 4199 } 4200 4201 /* 4202 * 21040 and 21041 media switches. 4203 */ 4204 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4205 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4206 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4207 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4208 4209 const struct tulip_mediasw tlp_21040_mediasw = { 4210 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4211 }; 4212 4213 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4214 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4215 }; 4216 4217 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4218 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4219 }; 4220 4221 const struct tulip_mediasw tlp_21041_mediasw = { 4222 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4223 }; 4224 4225 4226 void 4227 tlp_21040_tmsw_init(sc) 4228 struct tulip_softc *sc; 4229 { 4230 static const u_int8_t media[] = { 4231 TULIP_ROM_MB_MEDIA_TP, 4232 TULIP_ROM_MB_MEDIA_TP_FDX, 4233 TULIP_ROM_MB_MEDIA_AUI, 4234 }; 4235 struct tulip_21x4x_media *tm; 4236 4237 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4238 tlp_mediastatus); 4239 4240 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4241 4242 /* 4243 * No SROM type for External SIA. 4244 */ 4245 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4246 memset(tm, 0, sizeof(*tm)); 4247 tm->tm_name = "manual"; 4248 tm->tm_opmode = 0; 4249 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4250 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4251 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4252 ifmedia_add(&sc->sc_mii.mii_media, 4253 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4254 4255 /* 4256 * XXX Autosense not yet supported. 4257 */ 4258 4259 /* XXX This should be auto-sense. */ 4260 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4261 4262 tlp_print_media(sc); 4263 } 4264 4265 void 4266 tlp_21040_tp_tmsw_init(sc) 4267 struct tulip_softc *sc; 4268 { 4269 static const u_int8_t media[] = { 4270 TULIP_ROM_MB_MEDIA_TP, 4271 TULIP_ROM_MB_MEDIA_TP_FDX, 4272 }; 4273 4274 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4275 tlp_mediastatus); 4276 4277 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4278 4279 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4280 4281 tlp_print_media(sc); 4282 } 4283 4284 void 4285 tlp_21040_auibnc_tmsw_init(sc) 4286 struct tulip_softc *sc; 4287 { 4288 static const u_int8_t media[] = { 4289 TULIP_ROM_MB_MEDIA_AUI, 4290 }; 4291 4292 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4293 tlp_mediastatus); 4294 4295 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4296 4297 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4298 4299 tlp_print_media(sc); 4300 } 4301 4302 void 4303 tlp_21041_tmsw_init(sc) 4304 struct tulip_softc *sc; 4305 { 4306 static const u_int8_t media[] = { 4307 TULIP_ROM_MB_MEDIA_TP, 4308 TULIP_ROM_MB_MEDIA_TP_FDX, 4309 TULIP_ROM_MB_MEDIA_BNC, 4310 TULIP_ROM_MB_MEDIA_AUI, 4311 }; 4312 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4313 const struct tulip_srom_to_ifmedia *tsti; 4314 struct tulip_21x4x_media *tm; 4315 u_int16_t romdef; 4316 u_int8_t mb; 4317 4318 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4319 tlp_mediastatus); 4320 4321 if (tlp_isv_srom(sc->sc_srom) == 0) { 4322 not_isv_srom: 4323 /* 4324 * If we have a board without the standard 21041 SROM format, 4325 * we just assume all media are present and try and pick a 4326 * reasonable default. 4327 */ 4328 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4329 4330 /* 4331 * XXX Autosense not yet supported. 4332 */ 4333 4334 /* XXX This should be auto-sense. */ 4335 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4336 4337 tlp_print_media(sc); 4338 return; 4339 } 4340 4341 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4342 for (i = 0; i < devcnt; i++) { 4343 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4344 break; 4345 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4346 sc->sc_devno) 4347 break; 4348 } 4349 4350 if (i == devcnt) 4351 goto not_isv_srom; 4352 4353 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4354 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4355 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4356 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4357 4358 for (; m_cnt != 0; 4359 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4360 mb = sc->sc_srom[mb_offset]; 4361 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4362 memset(tm, 0, sizeof(*tm)); 4363 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4364 case TULIP_ROM_MB_MEDIA_TP_FDX: 4365 case TULIP_ROM_MB_MEDIA_TP: 4366 case TULIP_ROM_MB_MEDIA_BNC: 4367 case TULIP_ROM_MB_MEDIA_AUI: 4368 tsti = tlp_srom_to_ifmedia(mb & 4369 TULIP_ROM_MB_MEDIA_CODE); 4370 4371 tlp_srom_media_info(sc, tsti, tm); 4372 4373 /* 4374 * Override our default SIA settings if the 4375 * SROM contains its own. 4376 */ 4377 if (mb & TULIP_ROM_MB_EXT) { 4378 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4379 mb_offset + TULIP_ROM_MB_CSR13); 4380 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4381 mb_offset + TULIP_ROM_MB_CSR14); 4382 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4383 mb_offset + TULIP_ROM_MB_CSR15); 4384 } 4385 4386 ifmedia_add(&sc->sc_mii.mii_media, 4387 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4388 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4389 break; 4390 4391 default: 4392 printf("%s: unknown media code 0x%02x\n", 4393 sc->sc_dev.dv_xname, 4394 mb & TULIP_ROM_MB_MEDIA_CODE); 4395 free(tm, M_DEVBUF); 4396 } 4397 } 4398 4399 /* 4400 * XXX Autosense not yet supported. 4401 */ 4402 4403 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4404 TULIP_ROM_IL_SELECT_CONN_TYPE); 4405 switch (romdef) { 4406 case SELECT_CONN_TYPE_TP: 4407 case SELECT_CONN_TYPE_TP_AUTONEG: 4408 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4409 defmedia = IFM_ETHER|IFM_10_T; 4410 break; 4411 4412 case SELECT_CONN_TYPE_TP_FDX: 4413 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4414 break; 4415 4416 case SELECT_CONN_TYPE_BNC: 4417 defmedia = IFM_ETHER|IFM_10_2; 4418 break; 4419 4420 case SELECT_CONN_TYPE_AUI: 4421 defmedia = IFM_ETHER|IFM_10_5; 4422 break; 4423 #if 0 /* XXX */ 4424 case SELECT_CONN_TYPE_ASENSE: 4425 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4426 defmedia = IFM_ETHER|IFM_AUTO; 4427 break; 4428 #endif 4429 default: 4430 defmedia = 0; 4431 } 4432 4433 if (defmedia == 0) { 4434 /* 4435 * XXX We should default to auto-sense. 4436 */ 4437 defmedia = IFM_ETHER|IFM_10_T; 4438 } 4439 4440 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4441 4442 tlp_print_media(sc); 4443 } 4444 4445 /* 4446 * DECchip 2114x ISV media switch. 4447 */ 4448 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4449 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4450 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4451 4452 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4453 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4454 }; 4455 4456 void 4457 tlp_2114x_isv_tmsw_init(sc) 4458 struct tulip_softc *sc; 4459 { 4460 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4461 struct ifmedia_entry *ife; 4462 struct mii_softc *phy; 4463 struct tulip_21x4x_media *tm; 4464 const struct tulip_srom_to_ifmedia *tsti; 4465 int i, devcnt, leaf_offset, m_cnt, type, length; 4466 int defmedia, miidef; 4467 u_int16_t word; 4468 u_int8_t *cp, *ncp; 4469 4470 defmedia = miidef = 0; 4471 4472 sc->sc_mii.mii_ifp = ifp; 4473 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4474 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4475 sc->sc_mii.mii_statchg = sc->sc_statchg; 4476 4477 /* 4478 * Ignore `instance'; we may get a mixture of SIA and MII 4479 * media, and `instance' is used to isolate or select the 4480 * PHY on the MII as appropriate. Note that duplicate media 4481 * are disallowed, so ignoring `instance' is safe. 4482 */ 4483 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4484 tlp_mediastatus); 4485 4486 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4487 for (i = 0; i < devcnt; i++) { 4488 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4489 break; 4490 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4491 sc->sc_devno) 4492 break; 4493 } 4494 4495 if (i == devcnt) { 4496 printf("%s: unable to locate info leaf in SROM\n", 4497 sc->sc_dev.dv_xname); 4498 return; 4499 } 4500 4501 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4502 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4503 4504 /* XXX SELECT CONN TYPE */ 4505 4506 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4507 4508 /* 4509 * On some chips, the first thing in the Info Leaf is the 4510 * GPIO pin direction data. 4511 */ 4512 switch (sc->sc_chip) { 4513 case TULIP_CHIP_21140: 4514 case TULIP_CHIP_21140A: 4515 case TULIP_CHIP_MX98713: 4516 case TULIP_CHIP_AX88140: 4517 case TULIP_CHIP_AX88141: 4518 sc->sc_gp_dir = *cp++; 4519 break; 4520 4521 default: 4522 /* Nothing. */ 4523 } 4524 4525 /* Get the media count. */ 4526 m_cnt = *cp++; 4527 4528 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4529 /* 4530 * Determine the type and length of this media block. 4531 */ 4532 if ((*cp & 0x80) == 0) { 4533 length = 4; 4534 type = TULIP_ROM_MB_21140_GPR; 4535 } else { 4536 length = (*cp++ & 0x7f) - 1; 4537 type = *cp++ & 0x3f; 4538 } 4539 4540 /* Compute the start of the next block. */ 4541 ncp = cp + length; 4542 4543 /* Now, parse the block. */ 4544 switch (type) { 4545 case TULIP_ROM_MB_21140_GPR: 4546 tlp_get_minst(sc); 4547 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4548 4549 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4550 memset(tm, 0, sizeof(*tm)); 4551 4552 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4553 tm->tm_get = tlp_21140_gpio_get; 4554 tm->tm_set = tlp_21140_gpio_set; 4555 4556 /* First is the media type code. */ 4557 tsti = tlp_srom_to_ifmedia(cp[0] & 4558 TULIP_ROM_MB_MEDIA_CODE); 4559 if (tsti == NULL) { 4560 /* Invalid media code. */ 4561 free(tm, M_DEVBUF); 4562 break; 4563 } 4564 4565 /* Get defaults. */ 4566 tlp_srom_media_info(sc, tsti, tm); 4567 4568 /* Next is any GPIO info for this media. */ 4569 tm->tm_gpdata = cp[1]; 4570 4571 /* 4572 * Next is a word containing OPMODE information 4573 * and info on how to detect if this media is 4574 * active. 4575 */ 4576 word = TULIP_ROM_GETW(cp, 2); 4577 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4578 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4579 tm->tm_actmask = 4580 TULIP_ROM_MB_BITPOS(word); 4581 tm->tm_actdata = 4582 (word & TULIP_ROM_MB_POLARITY) ? 4583 0 : tm->tm_actmask; 4584 } 4585 4586 ifmedia_add(&sc->sc_mii.mii_media, 4587 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4588 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4589 break; 4590 4591 case TULIP_ROM_MB_21140_MII: 4592 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4593 4594 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4595 memset(tm, 0, sizeof(*tm)); 4596 4597 tm->tm_type = TULIP_ROM_MB_21140_MII; 4598 tm->tm_get = tlp_mii_getmedia; 4599 tm->tm_set = tlp_mii_setmedia; 4600 tm->tm_opmode = OPMODE_PS; 4601 4602 if (sc->sc_reset == NULL) 4603 sc->sc_reset = tlp_21140_reset; 4604 4605 /* First is the PHY number. */ 4606 tm->tm_phyno = *cp++; 4607 4608 /* Next is the MII select sequence length and offset. */ 4609 tm->tm_gp_length = *cp++; 4610 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4611 cp += tm->tm_gp_length; 4612 4613 /* Next is the MII reset sequence length and offset. */ 4614 tm->tm_reset_length = *cp++; 4615 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4616 cp += tm->tm_reset_length; 4617 4618 /* 4619 * The following items are left in the media block 4620 * that we don't particularly care about: 4621 * 4622 * capabilities W 4623 * advertisement W 4624 * full duplex W 4625 * tx threshold W 4626 * 4627 * These appear to be bits in the PHY registers, 4628 * which our MII code handles on its own. 4629 */ 4630 4631 /* 4632 * Before we probe the MII bus, we need to reset 4633 * it and issue the selection sequence. 4634 */ 4635 4636 /* Set the direction of the pins... */ 4637 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4638 4639 for (i = 0; i < tm->tm_reset_length; i++) { 4640 delay(10); 4641 TULIP_WRITE(sc, CSR_GPP, 4642 sc->sc_srom[tm->tm_reset_offset + i]); 4643 } 4644 4645 for (i = 0; i < tm->tm_gp_length; i++) { 4646 delay(10); 4647 TULIP_WRITE(sc, CSR_GPP, 4648 sc->sc_srom[tm->tm_gp_offset + i]); 4649 } 4650 4651 /* If there were no sequences, just lower the pins. */ 4652 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4653 delay(10); 4654 TULIP_WRITE(sc, CSR_GPP, 0); 4655 } 4656 4657 /* 4658 * Now, probe the MII for the PHY. Note, we know 4659 * the location of the PHY on the bus, but we don't 4660 * particularly care; the MII code just likes to 4661 * search the whole thing anyhow. 4662 */ 4663 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4664 MII_PHY_ANY, tm->tm_phyno, 0); 4665 4666 /* 4667 * Now, search for the PHY we hopefully just 4668 * configured. If it's not configured into the 4669 * kernel, we lose. The PHY's default media always 4670 * takes priority. 4671 */ 4672 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4673 phy != NULL; 4674 phy = LIST_NEXT(phy, mii_list)) 4675 if (phy->mii_offset == tm->tm_phyno) 4676 break; 4677 if (phy == NULL) { 4678 printf("%s: unable to configure MII\n", 4679 sc->sc_dev.dv_xname); 4680 break; 4681 } 4682 4683 sc->sc_flags |= TULIPF_HAS_MII; 4684 sc->sc_tick = tlp_mii_tick; 4685 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4686 phy->mii_inst); 4687 4688 /* 4689 * Okay, now that we've found the PHY and the MII 4690 * layer has added all of the media associated 4691 * with that PHY, we need to traverse the media 4692 * list, and add our `tm' to each entry's `aux' 4693 * pointer. 4694 * 4695 * We do this by looking for media with our 4696 * PHY's `instance'. 4697 */ 4698 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4699 ife != NULL; 4700 ife = TAILQ_NEXT(ife, ifm_list)) { 4701 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4702 continue; 4703 ife->ifm_aux = tm; 4704 } 4705 break; 4706 4707 case TULIP_ROM_MB_21142_SIA: 4708 tlp_get_minst(sc); 4709 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4710 4711 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4712 memset(tm, 0, sizeof(*tm)); 4713 4714 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4715 tm->tm_get = tlp_sia_get; 4716 tm->tm_set = tlp_sia_set; 4717 4718 /* First is the media type code. */ 4719 tsti = tlp_srom_to_ifmedia(cp[0] & 4720 TULIP_ROM_MB_MEDIA_CODE); 4721 if (tsti == NULL) { 4722 /* Invalid media code. */ 4723 free(tm, M_DEVBUF); 4724 break; 4725 } 4726 4727 /* Get defaults. */ 4728 tlp_srom_media_info(sc, tsti, tm); 4729 4730 /* 4731 * Override our default SIA settings if the 4732 * SROM contains its own. 4733 */ 4734 if (cp[0] & 0x40) { 4735 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4736 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4737 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4738 cp += 7; 4739 } else 4740 cp++; 4741 4742 /* Next is GPIO control/data. */ 4743 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4744 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4745 4746 ifmedia_add(&sc->sc_mii.mii_media, 4747 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4748 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4749 break; 4750 4751 case TULIP_ROM_MB_21142_MII: 4752 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4753 4754 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4755 memset(tm, 0, sizeof(*tm)); 4756 4757 tm->tm_type = TULIP_ROM_MB_21142_MII; 4758 tm->tm_get = tlp_mii_getmedia; 4759 tm->tm_set = tlp_mii_setmedia; 4760 tm->tm_opmode = OPMODE_PS; 4761 4762 if (sc->sc_reset == NULL) 4763 sc->sc_reset = tlp_21142_reset; 4764 4765 /* First is the PHY number. */ 4766 tm->tm_phyno = *cp++; 4767 4768 /* Next is the MII select sequence length and offset. */ 4769 tm->tm_gp_length = *cp++; 4770 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4771 cp += tm->tm_gp_length * 2; 4772 4773 /* Next is the MII reset sequence length and offset. */ 4774 tm->tm_reset_length = *cp++; 4775 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4776 cp += tm->tm_reset_length * 2; 4777 4778 /* 4779 * The following items are left in the media block 4780 * that we don't particularly care about: 4781 * 4782 * capabilities W 4783 * advertisement W 4784 * full duplex W 4785 * tx threshold W 4786 * MII interrupt W 4787 * 4788 * These appear to be bits in the PHY registers, 4789 * which our MII code handles on its own. 4790 */ 4791 4792 /* 4793 * Before we probe the MII bus, we need to reset 4794 * it and issue the selection sequence. 4795 */ 4796 4797 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4798 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4799 delay(10); 4800 TULIP_WRITE(sc, CSR_SIAGEN, 4801 TULIP_ROM_GETW(ncp, 0) << 16); 4802 } 4803 4804 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4805 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4806 delay(10); 4807 TULIP_WRITE(sc, CSR_SIAGEN, 4808 TULIP_ROM_GETW(ncp, 0) << 16); 4809 } 4810 4811 /* If there were no sequences, just lower the pins. */ 4812 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4813 delay(10); 4814 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4815 } 4816 4817 /* 4818 * Now, probe the MII for the PHY. Note, we know 4819 * the location of the PHY on the bus, but we don't 4820 * particularly care; the MII code just likes to 4821 * search the whole thing anyhow. 4822 */ 4823 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4824 MII_PHY_ANY, tm->tm_phyno, 0); 4825 4826 /* 4827 * Now, search for the PHY we hopefully just 4828 * configured. If it's not configured into the 4829 * kernel, we lose. The PHY's default media always 4830 * takes priority. 4831 */ 4832 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4833 phy != NULL; 4834 phy = LIST_NEXT(phy, mii_list)) 4835 if (phy->mii_offset == tm->tm_phyno) 4836 break; 4837 if (phy == NULL) { 4838 printf("%s: unable to configure MII\n", 4839 sc->sc_dev.dv_xname); 4840 break; 4841 } 4842 4843 sc->sc_flags |= TULIPF_HAS_MII; 4844 sc->sc_tick = tlp_mii_tick; 4845 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4846 phy->mii_inst); 4847 4848 /* 4849 * Okay, now that we've found the PHY and the MII 4850 * layer has added all of the media associated 4851 * with that PHY, we need to traverse the media 4852 * list, and add our `tm' to each entry's `aux' 4853 * pointer. 4854 * 4855 * We do this by looking for media with our 4856 * PHY's `instance'. 4857 */ 4858 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4859 ife != NULL; 4860 ife = TAILQ_NEXT(ife, ifm_list)) { 4861 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4862 continue; 4863 ife->ifm_aux = tm; 4864 } 4865 break; 4866 4867 case TULIP_ROM_MB_21143_SYM: 4868 tlp_get_minst(sc); 4869 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4870 4871 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4872 memset(tm, 0, sizeof(*tm)); 4873 4874 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4875 tm->tm_get = tlp_sia_get; 4876 tm->tm_set = tlp_sia_set; 4877 4878 /* First is the media type code. */ 4879 tsti = tlp_srom_to_ifmedia(cp[0] & 4880 TULIP_ROM_MB_MEDIA_CODE); 4881 if (tsti == NULL) { 4882 /* Invalid media code. */ 4883 free(tm, M_DEVBUF); 4884 break; 4885 } 4886 4887 /* Get defaults. */ 4888 tlp_srom_media_info(sc, tsti, tm); 4889 4890 /* Next is GPIO control/data. */ 4891 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4892 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4893 4894 /* 4895 * Next is a word containing OPMODE information 4896 * and info on how to detect if this media is 4897 * active. 4898 */ 4899 word = TULIP_ROM_GETW(cp, 5); 4900 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4901 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4902 tm->tm_actmask = 4903 TULIP_ROM_MB_BITPOS(word); 4904 tm->tm_actdata = 4905 (word & TULIP_ROM_MB_POLARITY) ? 4906 0 : tm->tm_actmask; 4907 } 4908 4909 ifmedia_add(&sc->sc_mii.mii_media, 4910 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4911 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4912 break; 4913 4914 case TULIP_ROM_MB_21143_RESET: 4915 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4916 break; 4917 4918 default: 4919 printf("%s: unknown ISV media block type 0x%02x\n", 4920 sc->sc_dev.dv_xname, type); 4921 } 4922 } 4923 4924 /* 4925 * Deal with the case where no media is configured. 4926 */ 4927 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4928 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4929 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4930 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4931 return; 4932 } 4933 4934 /* 4935 * Pick the default media. 4936 */ 4937 if (miidef != 0) 4938 defmedia = miidef; 4939 else { 4940 /* 4941 * XXX Pick a better default. Should come from SROM 4942 * XXX on 21140[A], and should be "auto" on 21142, 4943 * XXX 21143, and Macronix chips. 4944 */ 4945 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4946 } 4947 4948 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4949 4950 /* 4951 * Display any non-MII media we've located. 4952 */ 4953 if (sc->sc_media_seen & 4954 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4955 tlp_print_media(sc); 4956 4957 tlp_sia_fixup(sc); 4958 } 4959 4960 void 4961 tlp_2114x_isv_tmsw_get(sc, ifmr) 4962 struct tulip_softc *sc; 4963 struct ifmediareq *ifmr; 4964 { 4965 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4966 struct tulip_21x4x_media *tm = ife->ifm_aux; 4967 4968 /* 4969 * We might be polling a non-MII autosense; check for that. 4970 */ 4971 if (tm == NULL) { 4972 #ifdef DIAGNOSTIC 4973 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4974 panic("tlp_2114x_isv_tmsw_get"); 4975 #endif 4976 tm = sc->sc_nway_active->ifm_aux; 4977 } 4978 4979 (*tm->tm_get)(sc, ifmr); 4980 } 4981 4982 int 4983 tlp_2114x_isv_tmsw_set(sc) 4984 struct tulip_softc *sc; 4985 { 4986 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4987 struct tulip_21x4x_media *tm = ife->ifm_aux; 4988 4989 /* 4990 * We might be setting a non-MII autosense; check for that. 4991 */ 4992 if (tm == NULL) { 4993 #ifdef DIAGNOSTIC 4994 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4995 panic("tlp_2114x_isv_tmsw_set"); 4996 #endif 4997 /* XXX XXX XXX */ 4998 } 4999 5000 /* 5001 * Check to see if we need to reset the chip, and do it. The 5002 * reset path will get the OPMODE register right the next 5003 * time through. 5004 */ 5005 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5006 return (tlp_init(sc)); 5007 5008 return ((*tm->tm_set)(sc)); 5009 } 5010 5011 /* 5012 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5013 */ 5014 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5015 5016 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5017 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5018 }; 5019 5020 void 5021 tlp_sio_mii_tmsw_init(sc) 5022 struct tulip_softc *sc; 5023 { 5024 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5025 5026 /* 5027 * We don't attach any media info structures to the ifmedia 5028 * entries, so if we're using a pre-init function that needs 5029 * that info, override it to one that doesn't. 5030 */ 5031 if (sc->sc_preinit == tlp_2114x_preinit) 5032 sc->sc_preinit = tlp_2114x_mii_preinit; 5033 5034 sc->sc_mii.mii_ifp = ifp; 5035 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5036 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5037 sc->sc_mii.mii_statchg = sc->sc_statchg; 5038 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5039 tlp_mediastatus); 5040 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5041 MII_OFFSET_ANY, 0); 5042 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5043 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5044 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5045 } else { 5046 sc->sc_flags |= TULIPF_HAS_MII; 5047 sc->sc_tick = tlp_mii_tick; 5048 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5049 } 5050 } 5051 5052 /* 5053 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5054 */ 5055 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5056 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5057 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5058 5059 const struct tulip_mediasw tlp_pnic_mediasw = { 5060 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5061 }; 5062 5063 void tlp_pnic_nway_statchg __P((struct device *)); 5064 void tlp_pnic_nway_tick __P((void *)); 5065 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5066 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5067 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5068 void tlp_pnic_nway_auto_timeout __P((void *)); 5069 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5070 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5071 5072 void 5073 tlp_pnic_tmsw_init(sc) 5074 struct tulip_softc *sc; 5075 { 5076 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5077 const char *sep = ""; 5078 5079 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5080 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5081 5082 sc->sc_mii.mii_ifp = ifp; 5083 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5084 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5085 sc->sc_mii.mii_statchg = sc->sc_statchg; 5086 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5087 tlp_mediastatus); 5088 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5089 MII_OFFSET_ANY, 0); 5090 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5091 /* XXX What about AUI/BNC support? */ 5092 printf("%s: ", sc->sc_dev.dv_xname); 5093 5094 tlp_pnic_nway_reset(sc); 5095 5096 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5097 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5098 PRINT("10baseT"); 5099 5100 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5101 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5102 PRINT("10baseT-FDX"); 5103 5104 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5105 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5106 PRINT("100baseTX"); 5107 5108 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5109 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5110 PNIC_NWAY_CAP100TXFDX); 5111 PRINT("100baseTX-FDX"); 5112 5113 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5114 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5115 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5116 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5117 PRINT("auto"); 5118 5119 printf("\n"); 5120 5121 sc->sc_statchg = tlp_pnic_nway_statchg; 5122 sc->sc_tick = tlp_pnic_nway_tick; 5123 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5124 } else { 5125 sc->sc_flags |= TULIPF_HAS_MII; 5126 sc->sc_tick = tlp_mii_tick; 5127 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5128 } 5129 5130 #undef ADD 5131 #undef PRINT 5132 } 5133 5134 void 5135 tlp_pnic_tmsw_get(sc, ifmr) 5136 struct tulip_softc *sc; 5137 struct ifmediareq *ifmr; 5138 { 5139 struct mii_data *mii = &sc->sc_mii; 5140 5141 if (sc->sc_flags & TULIPF_HAS_MII) 5142 tlp_mii_getmedia(sc, ifmr); 5143 else { 5144 mii->mii_media_status = 0; 5145 mii->mii_media_active = IFM_NONE; 5146 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5147 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5148 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5149 } 5150 } 5151 5152 int 5153 tlp_pnic_tmsw_set(sc) 5154 struct tulip_softc *sc; 5155 { 5156 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5157 struct mii_data *mii = &sc->sc_mii; 5158 5159 if (sc->sc_flags & TULIPF_HAS_MII) { 5160 /* 5161 * Make sure the built-in Tx jabber timer is disabled. 5162 */ 5163 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5164 5165 return (tlp_mii_setmedia(sc)); 5166 } 5167 5168 if (ifp->if_flags & IFF_UP) { 5169 mii->mii_media_status = 0; 5170 mii->mii_media_active = IFM_NONE; 5171 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5172 } 5173 5174 return (0); 5175 } 5176 5177 void 5178 tlp_pnic_nway_statchg(self) 5179 struct device *self; 5180 { 5181 struct tulip_softc *sc = (struct tulip_softc *)self; 5182 5183 /* Idle the transmit and receive processes. */ 5184 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5185 5186 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5187 OPMODE_SCR|OPMODE_HBD); 5188 5189 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5190 sc->sc_opmode |= OPMODE_TTM; 5191 TULIP_WRITE(sc, CSR_GPP, 5192 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5193 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5194 } else { 5195 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5196 TULIP_WRITE(sc, CSR_GPP, 5197 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5198 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5199 } 5200 5201 if (sc->sc_mii.mii_media_active & IFM_FDX) 5202 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5203 5204 /* 5205 * Write new OPMODE bits. This also restarts the transmit 5206 * and receive processes. 5207 */ 5208 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5209 } 5210 5211 void 5212 tlp_pnic_nway_tick(arg) 5213 void *arg; 5214 { 5215 struct tulip_softc *sc = arg; 5216 int s; 5217 5218 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5219 return; 5220 5221 s = splnet(); 5222 tlp_pnic_nway_service(sc, MII_TICK); 5223 splx(s); 5224 5225 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5226 } 5227 5228 /* 5229 * Support for the Lite-On PNIC internal NWay block. This is constructed 5230 * somewhat like a PHY driver for simplicity. 5231 */ 5232 5233 int 5234 tlp_pnic_nway_service(sc, cmd) 5235 struct tulip_softc *sc; 5236 int cmd; 5237 { 5238 struct mii_data *mii = &sc->sc_mii; 5239 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5240 5241 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5242 return (0); 5243 5244 switch (cmd) { 5245 case MII_POLLSTAT: 5246 /* Nothing special to do here. */ 5247 break; 5248 5249 case MII_MEDIACHG: 5250 switch (IFM_SUBTYPE(ife->ifm_media)) { 5251 case IFM_AUTO: 5252 (void) tlp_pnic_nway_auto(sc, 1); 5253 break; 5254 case IFM_100_T4: 5255 /* 5256 * XXX Not supported as a manual setting right now. 5257 */ 5258 return (EINVAL); 5259 default: 5260 /* 5261 * NWAY register data is stored in the ifmedia entry. 5262 */ 5263 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5264 } 5265 break; 5266 5267 case MII_TICK: 5268 /* 5269 * Only used for autonegotiation. 5270 */ 5271 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5272 return (0); 5273 5274 /* 5275 * Check to see if we have link. If we do, we don't 5276 * need to restart the autonegotiation process. 5277 */ 5278 if (sc->sc_flags & TULIPF_LINK_UP) 5279 return (0); 5280 5281 /* 5282 * Only retry autonegotiation every 5 seconds. 5283 */ 5284 if (++sc->sc_nway_ticks != 5) 5285 return (0); 5286 5287 sc->sc_nway_ticks = 0; 5288 tlp_pnic_nway_reset(sc); 5289 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5290 return (0); 5291 break; 5292 } 5293 5294 /* Update the media status. */ 5295 tlp_pnic_nway_status(sc); 5296 5297 /* Callback if something changed. */ 5298 if ((sc->sc_nway_active == NULL || 5299 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5300 cmd == MII_MEDIACHG) { 5301 (*sc->sc_statchg)(&sc->sc_dev); 5302 tlp_nway_activate(sc, mii->mii_media_active); 5303 } 5304 return (0); 5305 } 5306 5307 void 5308 tlp_pnic_nway_reset(sc) 5309 struct tulip_softc *sc; 5310 { 5311 5312 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5313 delay(100); 5314 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5315 } 5316 5317 int 5318 tlp_pnic_nway_auto(sc, waitfor) 5319 struct tulip_softc *sc; 5320 int waitfor; 5321 { 5322 struct mii_data *mii = &sc->sc_mii; 5323 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5324 u_int32_t reg; 5325 int i; 5326 5327 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5328 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5329 5330 if (waitfor) { 5331 /* Wait 500ms for it to complete. */ 5332 for (i = 0; i < 500; i++) { 5333 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5334 if (reg & PNIC_NWAY_LPAR_MASK) { 5335 tlp_pnic_nway_acomp(sc); 5336 return (0); 5337 } 5338 delay(1000); 5339 } 5340 #if 0 5341 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5342 printf("%s: autonegotiation failed to complete\n", 5343 sc->sc_dev.dv_xname); 5344 #endif 5345 5346 /* 5347 * Don't need to worry about clearing DOINGAUTO. 5348 * If that's set, a timeout is pending, and it will 5349 * clear the flag. 5350 */ 5351 return (EIO); 5352 } 5353 5354 /* 5355 * Just let it finish asynchronously. This is for the benefit of 5356 * the tick handler driving autonegotiation. Don't want 500ms 5357 * delays all the time while the system is running! 5358 */ 5359 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5360 sc->sc_flags |= TULIPF_DOINGAUTO; 5361 callout_reset(&sc->sc_nway_callout, hz >> 1, 5362 tlp_pnic_nway_auto_timeout, sc); 5363 } 5364 return (EJUSTRETURN); 5365 } 5366 5367 void 5368 tlp_pnic_nway_auto_timeout(arg) 5369 void *arg; 5370 { 5371 struct tulip_softc *sc = arg; 5372 u_int32_t reg; 5373 int s; 5374 5375 s = splnet(); 5376 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5377 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5378 #if 0 5379 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5380 printf("%s: autonegotiation failed to complete\n", 5381 sc->sc_dev.dv_xname); 5382 #endif 5383 5384 tlp_pnic_nway_acomp(sc); 5385 5386 /* Update the media status. */ 5387 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5388 splx(s); 5389 } 5390 5391 void 5392 tlp_pnic_nway_status(sc) 5393 struct tulip_softc *sc; 5394 { 5395 struct mii_data *mii = &sc->sc_mii; 5396 u_int32_t reg; 5397 5398 mii->mii_media_status = IFM_AVALID; 5399 mii->mii_media_active = IFM_ETHER; 5400 5401 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5402 5403 if (sc->sc_flags & TULIPF_LINK_UP) 5404 mii->mii_media_status |= IFM_ACTIVE; 5405 5406 if (reg & PNIC_NWAY_NW) { 5407 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5408 /* Erg, still trying, I guess... */ 5409 mii->mii_media_active |= IFM_NONE; 5410 return; 5411 } 5412 5413 #if 0 5414 if (reg & PNIC_NWAY_LPAR100T4) 5415 mii->mii_media_active |= IFM_100_T4; 5416 else 5417 #endif 5418 if (reg & PNIC_NWAY_LPAR100TXFDX) 5419 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5420 else if (reg & PNIC_NWAY_LPAR100TX) 5421 mii->mii_media_active |= IFM_100_TX; 5422 else if (reg & PNIC_NWAY_LPAR10TFDX) 5423 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5424 else if (reg & PNIC_NWAY_LPAR10T) 5425 mii->mii_media_active |= IFM_10_T; 5426 else 5427 mii->mii_media_active |= IFM_NONE; 5428 } else { 5429 if (reg & PNIC_NWAY_100) 5430 mii->mii_media_active |= IFM_100_TX; 5431 else 5432 mii->mii_media_active |= IFM_10_T; 5433 if (reg & PNIC_NWAY_FD) 5434 mii->mii_media_active |= IFM_FDX; 5435 } 5436 } 5437 5438 void 5439 tlp_pnic_nway_acomp(sc) 5440 struct tulip_softc *sc; 5441 { 5442 u_int32_t reg; 5443 5444 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5445 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5446 5447 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5448 reg |= PNIC_NWAY_100; 5449 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5450 reg |= PNIC_NWAY_FD; 5451 5452 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5453 } 5454 5455 /* 5456 * Macronix PMAC and Lite-On PNIC-II media switch: 5457 * 5458 * MX98713 and MX98713A 21140-like MII or GPIO media. 5459 * 5460 * MX98713A 21143-like MII or SIA/SYM media. 5461 * 5462 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5463 * 82C115, MX98715AEC-C, -E 5464 * 5465 * So, what we do here is fake MII-on-SIO or ISV media info, and 5466 * use the ISV media switch get/set functions to handle the rest. 5467 */ 5468 5469 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5470 5471 const struct tulip_mediasw tlp_pmac_mediasw = { 5472 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5473 }; 5474 5475 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5476 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5477 }; 5478 5479 void 5480 tlp_pmac_tmsw_init(sc) 5481 struct tulip_softc *sc; 5482 { 5483 static const u_int8_t media[] = { 5484 TULIP_ROM_MB_MEDIA_TP, 5485 TULIP_ROM_MB_MEDIA_TP_FDX, 5486 TULIP_ROM_MB_MEDIA_100TX, 5487 TULIP_ROM_MB_MEDIA_100TX_FDX, 5488 }; 5489 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5490 5491 sc->sc_mii.mii_ifp = ifp; 5492 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5493 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5494 sc->sc_mii.mii_statchg = sc->sc_statchg; 5495 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5496 tlp_mediastatus); 5497 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5498 sc->sc_chip == TULIP_CHIP_MX98713A) { 5499 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5500 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5501 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5502 sc->sc_flags |= TULIPF_HAS_MII; 5503 sc->sc_tick = tlp_mii_tick; 5504 sc->sc_preinit = tlp_2114x_mii_preinit; 5505 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5506 ifmedia_set(&sc->sc_mii.mii_media, 5507 IFM_ETHER|IFM_AUTO); 5508 return; 5509 } 5510 } 5511 5512 switch (sc->sc_chip) { 5513 case TULIP_CHIP_MX98713: 5514 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5515 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5516 5517 /* 5518 * XXX Should implement auto-sense for this someday, 5519 * XXX when we do the same for the 21140. 5520 */ 5521 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5522 break; 5523 5524 default: 5525 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5526 tlp_sia_get, tlp_sia_set, media, 2); 5527 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5528 tlp_sia_get, tlp_sia_set, media + 2, 2); 5529 5530 /* 5531 * XXX Autonegotiation not yet supported. 5532 */ 5533 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5534 break; 5535 } 5536 5537 tlp_print_media(sc); 5538 tlp_sia_fixup(sc); 5539 5540 /* Set the LED modes. */ 5541 tlp_pmac_reset(sc); 5542 5543 sc->sc_reset = tlp_pmac_reset; 5544 } 5545 5546 /* 5547 * ADMtek AL981 media switch. Only has internal PHY. 5548 */ 5549 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5550 5551 const struct tulip_mediasw tlp_al981_mediasw = { 5552 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5553 }; 5554 5555 void 5556 tlp_al981_tmsw_init(sc) 5557 struct tulip_softc *sc; 5558 { 5559 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5560 5561 sc->sc_mii.mii_ifp = ifp; 5562 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5563 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5564 sc->sc_mii.mii_statchg = sc->sc_statchg; 5565 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5566 tlp_mediastatus); 5567 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5568 MII_OFFSET_ANY, 0); 5569 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5570 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5571 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5572 } else { 5573 sc->sc_flags |= TULIPF_HAS_MII; 5574 sc->sc_tick = tlp_mii_tick; 5575 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5576 } 5577 } 5578 5579 /* 5580 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5581 */ 5582 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5583 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5584 struct ifmediareq *)); 5585 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5586 5587 const struct tulip_mediasw tlp_dm9102_mediasw = { 5588 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5589 tlp_dm9102_tmsw_setmedia 5590 }; 5591 5592 void 5593 tlp_dm9102_tmsw_init(sc) 5594 struct tulip_softc *sc; 5595 { 5596 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5597 u_int32_t opmode; 5598 5599 sc->sc_mii.mii_ifp = ifp; 5600 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5601 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5602 sc->sc_mii.mii_statchg = sc->sc_statchg; 5603 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5604 tlp_mediastatus); 5605 5606 /* PHY block already reset via tlp_reset(). */ 5607 5608 /* 5609 * Configure OPMODE properly for the internal MII interface. 5610 */ 5611 switch (sc->sc_chip) { 5612 case TULIP_CHIP_DM9102: 5613 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5614 break; 5615 5616 case TULIP_CHIP_DM9102A: 5617 opmode = OPMODE_MBO|OPMODE_HBD; 5618 break; 5619 5620 default: 5621 /* Nothing. */ 5622 } 5623 5624 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5625 5626 /* Now, probe the internal MII for the internal PHY. */ 5627 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5628 MII_OFFSET_ANY, 0); 5629 5630 /* 5631 * XXX Figure out what to do about the HomePNA portion 5632 * XXX of the DM9102A. 5633 */ 5634 5635 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5636 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5637 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5638 } else { 5639 sc->sc_flags |= TULIPF_HAS_MII; 5640 sc->sc_tick = tlp_mii_tick; 5641 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5642 } 5643 } 5644 5645 void 5646 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5647 struct tulip_softc *sc; 5648 struct ifmediareq *ifmr; 5649 { 5650 5651 /* XXX HomePNA on DM9102A. */ 5652 tlp_mii_getmedia(sc, ifmr); 5653 } 5654 5655 int 5656 tlp_dm9102_tmsw_setmedia(sc) 5657 struct tulip_softc *sc; 5658 { 5659 5660 /* XXX HomePNA on DM9102A. */ 5661 return (tlp_mii_setmedia(sc)); 5662 } 5663
Indexes created Wed Sep 24 05:09:52 GMT 2025