tulip.c revision 1.26.2.2
1 /* $NetBSD: tulip.c,v 1.26.2.2 2000/11/22 16:03:32 bouyer 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 int tlp_init __P((struct ifnet *)); 111 void tlp_stop __P((struct ifnet *, int)); 112 113 void tlp_shutdown __P((void *)); 114 115 void tlp_reset __P((struct tulip_softc *)); 116 void tlp_rxdrain __P((struct tulip_softc *)); 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 ifp->if_init = tlp_init; 505 ifp->if_stop = tlp_stop; 506 507 /* 508 * We can support 802.1Q VLAN-sized frames. 509 */ 510 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 511 512 /* 513 * Attach the interface. 514 */ 515 if_attach(ifp); 516 ether_ifattach(ifp, enaddr); 517 #if NRND > 0 518 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 519 RND_TYPE_NET, 0); 520 #endif 521 522 /* 523 * Make sure the interface is shutdown during reboot. 524 */ 525 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 526 if (sc->sc_sdhook == NULL) 527 printf("%s: WARNING: unable to establish shutdown hook\n", 528 sc->sc_dev.dv_xname); 529 530 /* 531 * Add a suspend hook to make sure we come back up after a 532 * resume. 533 */ 534 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 535 if (sc->sc_powerhook == NULL) 536 printf("%s: WARNING: unable to establish power hook\n", 537 sc->sc_dev.dv_xname); 538 return; 539 540 /* 541 * Free any resources we've allocated during the failed attach 542 * attempt. Do this in reverse order and fall through. 543 */ 544 fail_5: 545 for (i = 0; i < TULIP_NRXDESC; i++) { 546 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 547 bus_dmamap_destroy(sc->sc_dmat, 548 sc->sc_rxsoft[i].rxs_dmamap); 549 } 550 fail_4: 551 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 552 if (sc->sc_txsoft[i].txs_dmamap != NULL) 553 bus_dmamap_destroy(sc->sc_dmat, 554 sc->sc_txsoft[i].txs_dmamap); 555 } 556 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 557 fail_3: 558 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 559 fail_2: 560 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 561 sizeof(struct tulip_control_data)); 562 fail_1: 563 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 564 fail_0: 565 return; 566 } 567 568 /* 569 * tlp_activate: 570 * 571 * Handle device activation/deactivation requests. 572 */ 573 int 574 tlp_activate(self, act) 575 struct device *self; 576 enum devact act; 577 { 578 struct tulip_softc *sc = (void *) self; 579 int s, error = 0; 580 581 s = splnet(); 582 switch (act) { 583 case DVACT_ACTIVATE: 584 error = EOPNOTSUPP; 585 break; 586 587 case DVACT_DEACTIVATE: 588 if (sc->sc_flags & TULIPF_HAS_MII) 589 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 590 MII_OFFSET_ANY); 591 if_deactivate(&sc->sc_ethercom.ec_if); 592 break; 593 } 594 splx(s); 595 596 return (error); 597 } 598 599 /* 600 * tlp_detach: 601 * 602 * Detach a Tulip interface. 603 */ 604 int 605 tlp_detach(sc) 606 struct tulip_softc *sc; 607 { 608 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 609 struct tulip_rxsoft *rxs; 610 struct tulip_txsoft *txs; 611 int i; 612 613 /* 614 * Suceed now if there isn't any work to do. 615 */ 616 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 617 return (0); 618 619 /* Unhook our tick handler. */ 620 if (sc->sc_tick) 621 callout_stop(&sc->sc_tick_callout); 622 623 if (sc->sc_flags & TULIPF_HAS_MII) { 624 /* Detach all PHYs */ 625 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 626 } 627 628 /* Delete all remaining media. */ 629 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 630 631 #if NRND > 0 632 rnd_detach_source(&sc->sc_rnd_source); 633 #endif 634 ether_ifdetach(ifp); 635 if_detach(ifp); 636 637 for (i = 0; i < TULIP_NRXDESC; i++) { 638 rxs = &sc->sc_rxsoft[i]; 639 if (rxs->rxs_mbuf != NULL) { 640 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 641 m_freem(rxs->rxs_mbuf); 642 rxs->rxs_mbuf = NULL; 643 } 644 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 645 } 646 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 647 txs = &sc->sc_txsoft[i]; 648 if (txs->txs_mbuf != NULL) { 649 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 650 m_freem(txs->txs_mbuf); 651 txs->txs_mbuf = NULL; 652 } 653 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 654 } 655 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 656 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 657 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 658 sizeof(struct tulip_control_data)); 659 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 660 661 shutdownhook_disestablish(sc->sc_sdhook); 662 powerhook_disestablish(sc->sc_powerhook); 663 664 if (sc->sc_srom) 665 free(sc->sc_srom, M_DEVBUF); 666 667 return (0); 668 } 669 670 /* 671 * tlp_shutdown: 672 * 673 * Make sure the interface is stopped at reboot time. 674 */ 675 void 676 tlp_shutdown(arg) 677 void *arg; 678 { 679 struct tulip_softc *sc = arg; 680 681 tlp_stop(&sc->sc_ethercom.ec_if, 1); 682 } 683 684 /* 685 * tlp_start: [ifnet interface function] 686 * 687 * Start packet transmission on the interface. 688 */ 689 void 690 tlp_start(ifp) 691 struct ifnet *ifp; 692 { 693 struct tulip_softc *sc = ifp->if_softc; 694 struct mbuf *m0, *m; 695 struct tulip_txsoft *txs, *last_txs; 696 bus_dmamap_t dmamap; 697 int error, firsttx, nexttx, lasttx, ofree, seg; 698 699 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 700 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 701 702 /* 703 * If we want a filter setup, it means no more descriptors were 704 * available for the setup routine. Let it get a chance to wedge 705 * itself into the ring. 706 */ 707 if (sc->sc_flags & TULIPF_WANT_SETUP) 708 ifp->if_flags |= IFF_OACTIVE; 709 710 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 711 return; 712 713 /* 714 * Remember the previous number of free descriptors and 715 * the first descriptor we'll use. 716 */ 717 ofree = sc->sc_txfree; 718 firsttx = sc->sc_txnext; 719 720 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 721 sc->sc_dev.dv_xname, ofree, firsttx)); 722 723 /* 724 * Loop through the send queue, setting up transmit descriptors 725 * until we drain the queue, or use up all available transmit 726 * descriptors. 727 */ 728 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 729 sc->sc_txfree != 0) { 730 /* 731 * Grab a packet off the queue. 732 */ 733 IF_DEQUEUE(&ifp->if_snd, m0); 734 if (m0 == NULL) 735 break; 736 737 dmamap = txs->txs_dmamap; 738 739 /* 740 * Load the DMA map. If this fails, the packet either 741 * didn't fit in the alloted number of segments, or we were 742 * short on resources. In this case, we'll copy and try 743 * again. 744 * 745 * Note that if we're only allowed 1 Tx segment, we 746 * have an alignment restriction. Do this test before 747 * attempting to load the DMA map, because it's more 748 * likely we'll trip the alignment test than the 749 * more-than-one-segment test. 750 */ 751 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 752 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 753 BUS_DMA_NOWAIT) != 0) { 754 MGETHDR(m, M_DONTWAIT, MT_DATA); 755 if (m == NULL) { 756 printf("%s: unable to allocate Tx mbuf\n", 757 sc->sc_dev.dv_xname); 758 IF_PREPEND(&ifp->if_snd, m0); 759 break; 760 } 761 if (m0->m_pkthdr.len > MHLEN) { 762 MCLGET(m, M_DONTWAIT); 763 if ((m->m_flags & M_EXT) == 0) { 764 printf("%s: unable to allocate Tx " 765 "cluster\n", sc->sc_dev.dv_xname); 766 m_freem(m); 767 IF_PREPEND(&ifp->if_snd, m0); 768 break; 769 } 770 } 771 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 772 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 773 m_freem(m0); 774 m0 = m; 775 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 776 m0, BUS_DMA_NOWAIT); 777 if (error) { 778 printf("%s: unable to load Tx buffer, " 779 "error = %d\n", sc->sc_dev.dv_xname, error); 780 IF_PREPEND(&ifp->if_snd, m0); 781 break; 782 } 783 } 784 785 /* 786 * Ensure we have enough descriptors free to describe 787 * the packet. 788 */ 789 if (dmamap->dm_nsegs > sc->sc_txfree) { 790 /* 791 * Not enough free descriptors to transmit this 792 * packet. We haven't committed to anything yet, 793 * so just unload the DMA map, put the packet 794 * back on the queue, and punt. Notify the upper 795 * layer that there are no more slots left. 796 * 797 * XXX We could allocate an mbuf and copy, but 798 * XXX it is worth it? 799 */ 800 ifp->if_flags |= IFF_OACTIVE; 801 bus_dmamap_unload(sc->sc_dmat, dmamap); 802 IF_PREPEND(&ifp->if_snd, m0); 803 break; 804 } 805 806 /* 807 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 808 */ 809 810 /* Sync the DMA map. */ 811 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 812 BUS_DMASYNC_PREWRITE); 813 814 /* 815 * Initialize the transmit descriptors. 816 */ 817 for (nexttx = sc->sc_txnext, seg = 0; 818 seg < dmamap->dm_nsegs; 819 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 820 /* 821 * If this is the first descriptor we're 822 * enqueueing, don't set the OWN bit just 823 * yet. That could cause a race condition. 824 * We'll do it below. 825 */ 826 sc->sc_txdescs[nexttx].td_status = 827 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 828 sc->sc_txdescs[nexttx].td_bufaddr1 = 829 htole32(dmamap->dm_segs[seg].ds_addr); 830 sc->sc_txdescs[nexttx].td_ctl = 831 htole32((dmamap->dm_segs[seg].ds_len << 832 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 833 (nexttx == (TULIP_NTXDESC - 1) ? 834 sc->sc_tdctl_er : 0)); 835 lasttx = nexttx; 836 } 837 838 /* Set `first segment' and `last segment' appropriately. */ 839 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 840 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 841 842 #ifdef TLP_DEBUG 843 if (ifp->if_flags & IFF_DEBUG) { 844 printf(" txsoft %p transmit chain:\n", txs); 845 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 846 printf(" descriptor %d:\n", seg); 847 printf(" td_status: 0x%08x\n", 848 le32toh(sc->sc_txdescs[seg].td_status)); 849 printf(" td_ctl: 0x%08x\n", 850 le32toh(sc->sc_txdescs[seg].td_ctl)); 851 printf(" td_bufaddr1: 0x%08x\n", 852 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 853 printf(" td_bufaddr2: 0x%08x\n", 854 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 855 if (seg == lasttx) 856 break; 857 } 858 } 859 #endif 860 861 /* Sync the descriptors we're using. */ 862 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 863 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 864 865 /* 866 * Store a pointer to the packet so we can free it later, 867 * and remember what txdirty will be once the packet is 868 * done. 869 */ 870 txs->txs_mbuf = m0; 871 txs->txs_firstdesc = sc->sc_txnext; 872 txs->txs_lastdesc = lasttx; 873 txs->txs_ndescs = dmamap->dm_nsegs; 874 875 /* Advance the tx pointer. */ 876 sc->sc_txfree -= dmamap->dm_nsegs; 877 sc->sc_txnext = nexttx; 878 879 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 880 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 881 882 last_txs = txs; 883 884 #if NBPFILTER > 0 885 /* 886 * Pass the packet to any BPF listeners. 887 */ 888 if (ifp->if_bpf) 889 bpf_mtap(ifp->if_bpf, m0); 890 #endif /* NBPFILTER > 0 */ 891 } 892 893 if (txs == NULL || sc->sc_txfree == 0) { 894 /* No more slots left; notify upper layer. */ 895 ifp->if_flags |= IFF_OACTIVE; 896 } 897 898 if (sc->sc_txfree != ofree) { 899 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 900 sc->sc_dev.dv_xname, lasttx, firsttx)); 901 /* 902 * Cause a transmit interrupt to happen on the 903 * last packet we enqueued. 904 */ 905 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 906 TULIP_CDTXSYNC(sc, lasttx, 1, 907 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 908 909 /* 910 * Some clone chips want IC on the *first* segment in 911 * the packet. Appease them. 912 */ 913 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 914 last_txs->txs_firstdesc != lasttx) { 915 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 916 htole32(TDCTL_Tx_IC); 917 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 918 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 919 } 920 921 /* 922 * The entire packet chain is set up. Give the 923 * first descriptor to the chip now. 924 */ 925 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 926 TULIP_CDTXSYNC(sc, firsttx, 1, 927 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 928 929 /* Wake up the transmitter. */ 930 /* XXX USE AUTOPOLLING? */ 931 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 932 933 /* Set a watchdog timer in case the chip flakes out. */ 934 ifp->if_timer = 5; 935 } 936 } 937 938 /* 939 * tlp_watchdog: [ifnet interface function] 940 * 941 * Watchdog timer handler. 942 */ 943 void 944 tlp_watchdog(ifp) 945 struct ifnet *ifp; 946 { 947 struct tulip_softc *sc = ifp->if_softc; 948 int doing_setup, doing_transmit; 949 950 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 951 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 952 953 if (doing_setup && doing_transmit) { 954 printf("%s: filter setup and transmit timeout\n", 955 sc->sc_dev.dv_xname); 956 ifp->if_oerrors++; 957 } else if (doing_transmit) { 958 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 959 ifp->if_oerrors++; 960 } else if (doing_setup) 961 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 962 else 963 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 964 965 (void) tlp_init(ifp); 966 967 /* Try to get more packets going. */ 968 tlp_start(ifp); 969 } 970 971 /* 972 * tlp_ioctl: [ifnet interface function] 973 * 974 * Handle control requests from the operator. 975 */ 976 int 977 tlp_ioctl(ifp, cmd, data) 978 struct ifnet *ifp; 979 u_long cmd; 980 caddr_t data; 981 { 982 struct tulip_softc *sc = ifp->if_softc; 983 struct ifreq *ifr = (struct ifreq *)data; 984 int s, error; 985 986 s = splnet(); 987 988 switch (cmd) { 989 case SIOCSIFMEDIA: 990 case SIOCGIFMEDIA: 991 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 992 break; 993 994 default: 995 error = ether_ioctl(ifp, cmd, data); 996 if (error == ENETRESET) { 997 if (TULIP_IS_ENABLED(sc)) { 998 /* 999 * Multicast list has changed. Set the 1000 * hardware filter accordingly. 1001 */ 1002 (*sc->sc_filter_setup)(sc); 1003 } 1004 error = 0; 1005 } 1006 break; 1007 } 1008 1009 /* Try to get more packets going. */ 1010 if (TULIP_IS_ENABLED(sc)) 1011 tlp_start(ifp); 1012 1013 splx(s); 1014 return (error); 1015 } 1016 1017 /* 1018 * tlp_intr: 1019 * 1020 * Interrupt service routine. 1021 */ 1022 int 1023 tlp_intr(arg) 1024 void *arg; 1025 { 1026 struct tulip_softc *sc = arg; 1027 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1028 u_int32_t status, rxstatus, txstatus; 1029 int handled = 0, txthresh; 1030 1031 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1032 1033 #ifdef DEBUG 1034 if (TULIP_IS_ENABLED(sc) == 0) 1035 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1036 #endif 1037 1038 /* 1039 * If the interface isn't running, the interrupt couldn't 1040 * possibly have come from us. 1041 */ 1042 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1043 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1044 return (0); 1045 1046 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1047 switch (sc->sc_chip) { 1048 case TULIP_CHIP_DM9102: 1049 case TULIP_CHIP_DM9102A: 1050 TULIP_WRITE(sc, CSR_INTEN, 0); 1051 break; 1052 1053 default: 1054 /* Nothing. */ 1055 } 1056 1057 for (;;) { 1058 status = TULIP_READ(sc, CSR_STATUS); 1059 if (status) 1060 TULIP_WRITE(sc, CSR_STATUS, status); 1061 1062 if ((status & sc->sc_inten) == 0) 1063 break; 1064 1065 handled = 1; 1066 1067 rxstatus = status & sc->sc_rxint_mask; 1068 txstatus = status & sc->sc_txint_mask; 1069 1070 if (rxstatus) { 1071 /* Grab new any new packets. */ 1072 tlp_rxintr(sc); 1073 1074 if (rxstatus & STATUS_RWT) 1075 printf("%s: receive watchdog timeout\n", 1076 sc->sc_dev.dv_xname); 1077 1078 if (rxstatus & STATUS_RU) { 1079 printf("%s: receive ring overrun\n", 1080 sc->sc_dev.dv_xname); 1081 /* Get the receive process going again. */ 1082 if (sc->sc_tdctl_er != TDCTL_ER) { 1083 tlp_idle(sc, OPMODE_SR); 1084 TULIP_WRITE(sc, CSR_RXLIST, 1085 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1086 TULIP_WRITE(sc, CSR_OPMODE, 1087 sc->sc_opmode); 1088 } 1089 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1090 break; 1091 } 1092 } 1093 1094 if (txstatus) { 1095 /* Sweep up transmit descriptors. */ 1096 tlp_txintr(sc); 1097 1098 if (txstatus & STATUS_TJT) 1099 printf("%s: transmit jabber timeout\n", 1100 sc->sc_dev.dv_xname); 1101 1102 if (txstatus & STATUS_UNF) { 1103 /* 1104 * Increase our transmit threshold if 1105 * another is available. 1106 */ 1107 txthresh = sc->sc_txthresh + 1; 1108 if (sc->sc_txth[txthresh].txth_name != NULL) { 1109 /* Idle the transmit process. */ 1110 tlp_idle(sc, OPMODE_ST); 1111 1112 sc->sc_txthresh = txthresh; 1113 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1114 sc->sc_opmode |= 1115 sc->sc_txth[txthresh].txth_opmode; 1116 printf("%s: transmit underrun; new " 1117 "threshold: %s\n", 1118 sc->sc_dev.dv_xname, 1119 sc->sc_txth[txthresh].txth_name); 1120 1121 /* 1122 * Set the new threshold and restart 1123 * the transmit process. 1124 */ 1125 TULIP_WRITE(sc, CSR_OPMODE, 1126 sc->sc_opmode); 1127 } 1128 /* 1129 * XXX Log every Nth underrun from 1130 * XXX now on? 1131 */ 1132 } 1133 } 1134 1135 if (status & (STATUS_TPS|STATUS_RPS)) { 1136 if (status & STATUS_TPS) 1137 printf("%s: transmit process stopped\n", 1138 sc->sc_dev.dv_xname); 1139 if (status & STATUS_RPS) 1140 printf("%s: receive process stopped\n", 1141 sc->sc_dev.dv_xname); 1142 (void) tlp_init(ifp); 1143 break; 1144 } 1145 1146 if (status & STATUS_SE) { 1147 const char *str; 1148 switch (status & STATUS_EB) { 1149 case STATUS_EB_PARITY: 1150 str = "parity error"; 1151 break; 1152 1153 case STATUS_EB_MABT: 1154 str = "master abort"; 1155 break; 1156 1157 case STATUS_EB_TABT: 1158 str = "target abort"; 1159 break; 1160 1161 default: 1162 str = "unknown error"; 1163 break; 1164 } 1165 printf("%s: fatal system error: %s\n", 1166 sc->sc_dev.dv_xname, str); 1167 (void) tlp_init(ifp); 1168 break; 1169 } 1170 1171 /* 1172 * Not handled: 1173 * 1174 * Transmit buffer unavailable -- normal 1175 * condition, nothing to do, really. 1176 * 1177 * General purpose timer experied -- we don't 1178 * use the general purpose timer. 1179 * 1180 * Early receive interrupt -- not available on 1181 * all chips, we just use RI. We also only 1182 * use single-segment receive DMA, so this 1183 * is mostly useless. 1184 */ 1185 } 1186 1187 /* Bring interrupts back up on the DM9102. */ 1188 switch (sc->sc_chip) { 1189 case TULIP_CHIP_DM9102: 1190 case TULIP_CHIP_DM9102A: 1191 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1192 break; 1193 1194 default: 1195 /* Nothing. */ 1196 } 1197 1198 /* Try to get more packets going. */ 1199 tlp_start(ifp); 1200 1201 #if NRND > 0 1202 if (handled) 1203 rnd_add_uint32(&sc->sc_rnd_source, status); 1204 #endif 1205 return (handled); 1206 } 1207 1208 /* 1209 * tlp_rxintr: 1210 * 1211 * Helper; handle receive interrupts. 1212 */ 1213 void 1214 tlp_rxintr(sc) 1215 struct tulip_softc *sc; 1216 { 1217 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1218 struct ether_header *eh; 1219 struct tulip_rxsoft *rxs; 1220 struct mbuf *m; 1221 u_int32_t rxstat; 1222 int i, len; 1223 1224 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1225 rxs = &sc->sc_rxsoft[i]; 1226 1227 TULIP_CDRXSYNC(sc, i, 1228 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1229 1230 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1231 1232 if (rxstat & TDSTAT_OWN) { 1233 /* 1234 * We have processed all of the receive buffers. 1235 */ 1236 break; 1237 } 1238 1239 /* 1240 * Make sure the packet fit in one buffer. This should 1241 * always be the case. But the Lite-On PNIC, rev 33 1242 * has an awful receive engine bug, which may require 1243 * a very icky work-around. 1244 */ 1245 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1246 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1247 printf("%s: incoming packet spilled, resetting\n", 1248 sc->sc_dev.dv_xname); 1249 (void) tlp_init(ifp); 1250 return; 1251 } 1252 1253 /* 1254 * If any collisions were seen on the wire, count one. 1255 */ 1256 if (rxstat & TDSTAT_Rx_CS) 1257 ifp->if_collisions++; 1258 1259 /* 1260 * If an error occured, update stats, clear the status 1261 * word, and leave the packet buffer in place. It will 1262 * simply be reused the next time the ring comes around. 1263 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1264 * error. 1265 */ 1266 if (rxstat & TDSTAT_ES && 1267 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1268 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_RE | 1269 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1270 #define PRINTERR(bit, str) \ 1271 if (rxstat & (bit)) \ 1272 printf("%s: receive error: %s\n", \ 1273 sc->sc_dev.dv_xname, str) 1274 ifp->if_ierrors++; 1275 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1276 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1277 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1278 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1279 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1280 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1281 #undef PRINTERR 1282 TULIP_INIT_RXDESC(sc, i); 1283 continue; 1284 } 1285 1286 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1287 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1288 1289 /* 1290 * No errors; receive the packet. Note the Tulip 1291 * includes the CRC with every packet. 1292 */ 1293 len = TDSTAT_Rx_LENGTH(rxstat); 1294 1295 #ifdef __NO_STRICT_ALIGNMENT 1296 /* 1297 * Allocate a new mbuf cluster. If that fails, we are 1298 * out of memory, and must drop the packet and recycle 1299 * the buffer that's already attached to this descriptor. 1300 */ 1301 m = rxs->rxs_mbuf; 1302 if (tlp_add_rxbuf(sc, i) != 0) { 1303 ifp->if_ierrors++; 1304 TULIP_INIT_RXDESC(sc, i); 1305 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1306 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1307 continue; 1308 } 1309 #else 1310 /* 1311 * The Tulip's receive buffers must be 4-byte aligned. 1312 * But this means that the data after the Ethernet header 1313 * is misaligned. We must allocate a new buffer and 1314 * copy the data, shifted forward 2 bytes. 1315 */ 1316 MGETHDR(m, M_DONTWAIT, MT_DATA); 1317 if (m == NULL) { 1318 dropit: 1319 ifp->if_ierrors++; 1320 TULIP_INIT_RXDESC(sc, i); 1321 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1322 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1323 continue; 1324 } 1325 if (len > (MHLEN - 2)) { 1326 MCLGET(m, M_DONTWAIT); 1327 if ((m->m_flags & M_EXT) == 0) { 1328 m_freem(m); 1329 goto dropit; 1330 } 1331 } 1332 m->m_data += 2; 1333 1334 /* 1335 * Note that we use clusters for incoming frames, so the 1336 * buffer is virtually contiguous. 1337 */ 1338 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1339 1340 /* Allow the receive descriptor to continue using its mbuf. */ 1341 TULIP_INIT_RXDESC(sc, i); 1342 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1343 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1344 #endif /* __NO_STRICT_ALIGNMENT */ 1345 1346 ifp->if_ipackets++; 1347 eh = mtod(m, struct ether_header *); 1348 m->m_flags |= M_HASFCS; 1349 m->m_pkthdr.rcvif = ifp; 1350 m->m_pkthdr.len = m->m_len = len; 1351 1352 #if NBPFILTER > 0 1353 /* 1354 * Pass this up to any BPF listeners, but only 1355 * pass it up the stack if its for us. 1356 */ 1357 if (ifp->if_bpf) 1358 bpf_mtap(ifp->if_bpf, m); 1359 #endif /* NPBFILTER > 0 */ 1360 1361 /* 1362 * We sometimes have to run the 21140 in Hash-Only 1363 * mode. If we're in that mode, and not in promiscuous 1364 * mode, and we have a unicast packet that isn't for 1365 * us, then drop it. 1366 */ 1367 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1368 (ifp->if_flags & IFF_PROMISC) == 0 && 1369 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1370 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1371 ETHER_ADDR_LEN) != 0) { 1372 m_freem(m); 1373 continue; 1374 } 1375 1376 /* Pass it on. */ 1377 (*ifp->if_input)(ifp, m); 1378 } 1379 1380 /* Update the recieve pointer. */ 1381 sc->sc_rxptr = i; 1382 } 1383 1384 /* 1385 * tlp_txintr: 1386 * 1387 * Helper; handle transmit interrupts. 1388 */ 1389 void 1390 tlp_txintr(sc) 1391 struct tulip_softc *sc; 1392 { 1393 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1394 struct tulip_txsoft *txs; 1395 u_int32_t txstat; 1396 1397 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1398 sc->sc_dev.dv_xname, sc->sc_flags)); 1399 1400 ifp->if_flags &= ~IFF_OACTIVE; 1401 1402 /* 1403 * Go through our Tx list and free mbufs for those 1404 * frames that have been transmitted. 1405 */ 1406 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1407 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1408 txs->txs_ndescs, 1409 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1410 1411 #ifdef TLP_DEBUG 1412 if (ifp->if_flags & IFF_DEBUG) { 1413 int i; 1414 printf(" txsoft %p transmit chain:\n", txs); 1415 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1416 printf(" descriptor %d:\n", i); 1417 printf(" td_status: 0x%08x\n", 1418 le32toh(sc->sc_txdescs[i].td_status)); 1419 printf(" td_ctl: 0x%08x\n", 1420 le32toh(sc->sc_txdescs[i].td_ctl)); 1421 printf(" td_bufaddr1: 0x%08x\n", 1422 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1423 printf(" td_bufaddr2: 0x%08x\n", 1424 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1425 if (i == txs->txs_lastdesc) 1426 break; 1427 } 1428 } 1429 #endif 1430 1431 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1432 if (txstat & TDSTAT_OWN) 1433 break; 1434 1435 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1436 1437 sc->sc_txfree += txs->txs_ndescs; 1438 1439 if (txs->txs_mbuf == NULL) { 1440 /* 1441 * If we didn't have an mbuf, it was the setup 1442 * packet. 1443 */ 1444 #ifdef DIAGNOSTIC 1445 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1446 panic("tlp_txintr: null mbuf, not doing setup"); 1447 #endif 1448 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1449 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1450 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1451 continue; 1452 } 1453 1454 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1455 0, txs->txs_dmamap->dm_mapsize, 1456 BUS_DMASYNC_POSTWRITE); 1457 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1458 m_freem(txs->txs_mbuf); 1459 txs->txs_mbuf = NULL; 1460 1461 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1462 1463 /* 1464 * Check for errors and collisions. 1465 */ 1466 #ifdef TLP_STATS 1467 if (txstat & TDSTAT_Tx_UF) 1468 sc->sc_stats.ts_tx_uf++; 1469 if (txstat & TDSTAT_Tx_TO) 1470 sc->sc_stats.ts_tx_to++; 1471 if (txstat & TDSTAT_Tx_EC) 1472 sc->sc_stats.ts_tx_ec++; 1473 if (txstat & TDSTAT_Tx_LC) 1474 sc->sc_stats.ts_tx_lc++; 1475 #endif 1476 1477 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1478 ifp->if_oerrors++; 1479 1480 if (txstat & TDSTAT_Tx_EC) 1481 ifp->if_collisions += 16; 1482 else 1483 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1484 if (txstat & TDSTAT_Tx_LC) 1485 ifp->if_collisions++; 1486 1487 ifp->if_opackets++; 1488 } 1489 1490 /* 1491 * If there are no more pending transmissions, cancel the watchdog 1492 * timer. 1493 */ 1494 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1495 ifp->if_timer = 0; 1496 1497 /* 1498 * If we have a receive filter setup pending, do it now. 1499 */ 1500 if (sc->sc_flags & TULIPF_WANT_SETUP) 1501 (*sc->sc_filter_setup)(sc); 1502 } 1503 1504 #ifdef TLP_STATS 1505 void 1506 tlp_print_stats(sc) 1507 struct tulip_softc *sc; 1508 { 1509 1510 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1511 sc->sc_dev.dv_xname, 1512 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1513 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1514 } 1515 #endif 1516 1517 /* 1518 * tlp_reset: 1519 * 1520 * Perform a soft reset on the Tulip. 1521 */ 1522 void 1523 tlp_reset(sc) 1524 struct tulip_softc *sc; 1525 { 1526 int i; 1527 1528 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1529 1530 /* 1531 * Xircom clone doesn't bring itself out of reset automatically. 1532 * Instead, we have to wait at least 50 PCI cycles, and then 1533 * clear SWR. 1534 */ 1535 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1536 delay(10); 1537 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1538 } 1539 1540 for (i = 0; i < 1000; i++) { 1541 /* 1542 * Wait at least 50 PCI cycles for the reset to 1543 * complete before peeking at the Tulip again. 1544 * 10 uSec is a bit longer than 50 PCI cycles 1545 * (at 33MHz), but it doesn't hurt have the extra 1546 * wait. 1547 */ 1548 delay(10); 1549 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1550 break; 1551 } 1552 1553 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1554 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1555 1556 delay(1000); 1557 1558 /* 1559 * If the board has any GPIO reset sequences to issue, do them now. 1560 */ 1561 if (sc->sc_reset != NULL) 1562 (*sc->sc_reset)(sc); 1563 } 1564 1565 /* 1566 * tlp_init: [ ifnet interface function ] 1567 * 1568 * Initialize the interface. Must be called at splnet(). 1569 */ 1570 int 1571 tlp_init(ifp) 1572 struct ifnet *ifp; 1573 { 1574 struct tulip_softc *sc = ifp->if_softc; 1575 struct tulip_txsoft *txs; 1576 struct tulip_rxsoft *rxs; 1577 int i, error = 0; 1578 1579 if ((error = tlp_enable(sc)) != 0) 1580 goto out; 1581 1582 /* 1583 * Cancel any pending I/O. 1584 */ 1585 tlp_stop(ifp, 0); 1586 1587 /* 1588 * Initialize `opmode' to 0, and call the pre-init routine, if 1589 * any. This is required because the 2114x and some of the 1590 * clones require that the media-related bits in `opmode' be 1591 * set before performing a soft-reset in order to get internal 1592 * chip pathways are correct. Yay! 1593 */ 1594 sc->sc_opmode = 0; 1595 if (sc->sc_preinit != NULL) 1596 (*sc->sc_preinit)(sc); 1597 1598 /* 1599 * Reset the Tulip to a known state. 1600 */ 1601 tlp_reset(sc); 1602 1603 /* 1604 * Initialize the BUSMODE register. 1605 */ 1606 sc->sc_busmode = BUSMODE_BAR; 1607 switch (sc->sc_chip) { 1608 case TULIP_CHIP_21140: 1609 case TULIP_CHIP_21140A: 1610 case TULIP_CHIP_21142: 1611 case TULIP_CHIP_21143: 1612 case TULIP_CHIP_82C115: 1613 case TULIP_CHIP_MX98725: 1614 /* 1615 * If we're allowed to do so, use Memory Read Line 1616 * and Memory Read Multiple. 1617 * 1618 * XXX Should we use Memory Write and Invalidate? 1619 */ 1620 if (sc->sc_flags & TULIPF_MRL) 1621 sc->sc_busmode |= BUSMODE_RLE; 1622 if (sc->sc_flags & TULIPF_MRM) 1623 sc->sc_busmode |= BUSMODE_RME; 1624 #if 0 1625 if (sc->sc_flags & TULIPF_MWI) 1626 sc->sc_busmode |= BUSMODE_WLE; 1627 #endif 1628 break; 1629 1630 case TULIP_CHIP_82C168: 1631 case TULIP_CHIP_82C169: 1632 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1633 if (sc->sc_maxburst == 0) 1634 sc->sc_maxburst = 16; 1635 break; 1636 1637 default: 1638 /* Nothing. */ 1639 } 1640 switch (sc->sc_cacheline) { 1641 default: 1642 /* 1643 * Note: We must *always* set these bits; a cache 1644 * alignment of 0 is RESERVED. 1645 */ 1646 case 8: 1647 sc->sc_busmode |= BUSMODE_CAL_8LW; 1648 break; 1649 case 16: 1650 sc->sc_busmode |= BUSMODE_CAL_16LW; 1651 break; 1652 case 32: 1653 sc->sc_busmode |= BUSMODE_CAL_32LW; 1654 break; 1655 } 1656 switch (sc->sc_maxburst) { 1657 case 1: 1658 sc->sc_busmode |= BUSMODE_PBL_1LW; 1659 break; 1660 case 2: 1661 sc->sc_busmode |= BUSMODE_PBL_2LW; 1662 break; 1663 case 4: 1664 sc->sc_busmode |= BUSMODE_PBL_4LW; 1665 break; 1666 case 8: 1667 sc->sc_busmode |= BUSMODE_PBL_8LW; 1668 break; 1669 case 16: 1670 sc->sc_busmode |= BUSMODE_PBL_16LW; 1671 break; 1672 case 32: 1673 sc->sc_busmode |= BUSMODE_PBL_32LW; 1674 break; 1675 default: 1676 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1677 break; 1678 } 1679 #if BYTE_ORDER == BIG_ENDIAN 1680 /* 1681 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1682 * support them, and even on ones that do, it doesn't 1683 * always work. So we always access descriptors with 1684 * little endian via htole32/le32toh. 1685 */ 1686 #endif 1687 /* 1688 * Big-endian bus requires BUSMODE_BLE anyway. 1689 * Also, BUSMODE_DBO is needed because we assume 1690 * descriptors are little endian. 1691 */ 1692 if (sc->sc_flags & TULIPF_BLE) 1693 sc->sc_busmode |= BUSMODE_BLE; 1694 if (sc->sc_flags & TULIPF_DBO) 1695 sc->sc_busmode |= BUSMODE_DBO; 1696 1697 /* 1698 * Some chips have a broken bus interface. 1699 */ 1700 switch (sc->sc_chip) { 1701 case TULIP_CHIP_DM9102: 1702 case TULIP_CHIP_DM9102A: 1703 sc->sc_busmode = 0; 1704 break; 1705 1706 default: 1707 /* Nothing. */ 1708 } 1709 1710 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1711 1712 /* 1713 * Initialize the OPMODE register. We don't write it until 1714 * we're ready to begin the transmit and receive processes. 1715 * 1716 * Media-related OPMODE bits are set in the media callbacks 1717 * for each specific chip/board. 1718 */ 1719 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1720 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1721 1722 /* 1723 * Magical mystery initialization on the Macronix chips. 1724 * The MX98713 uses its own magic value, the rest share 1725 * a common one. 1726 */ 1727 switch (sc->sc_chip) { 1728 case TULIP_CHIP_MX98713: 1729 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1730 break; 1731 1732 case TULIP_CHIP_MX98713A: 1733 case TULIP_CHIP_MX98715: 1734 case TULIP_CHIP_MX98715A: 1735 case TULIP_CHIP_MX98715AEC_X: 1736 case TULIP_CHIP_MX98725: 1737 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1738 break; 1739 1740 default: 1741 /* Nothing. */ 1742 } 1743 1744 /* 1745 * Initialize the transmit descriptor ring. 1746 */ 1747 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1748 for (i = 0; i < TULIP_NTXDESC; i++) { 1749 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1750 sc->sc_txdescs[i].td_bufaddr2 = 1751 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1752 } 1753 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1754 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1755 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1756 sc->sc_txfree = TULIP_NTXDESC; 1757 sc->sc_txnext = 0; 1758 1759 /* 1760 * Initialize the transmit job descriptors. 1761 */ 1762 SIMPLEQ_INIT(&sc->sc_txfreeq); 1763 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1764 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1765 txs = &sc->sc_txsoft[i]; 1766 txs->txs_mbuf = NULL; 1767 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1768 } 1769 1770 /* 1771 * Initialize the receive descriptor and receive job 1772 * descriptor rings. 1773 */ 1774 for (i = 0; i < TULIP_NRXDESC; i++) { 1775 rxs = &sc->sc_rxsoft[i]; 1776 if (rxs->rxs_mbuf == NULL) { 1777 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1778 printf("%s: unable to allocate or map rx " 1779 "buffer %d, error = %d\n", 1780 sc->sc_dev.dv_xname, i, error); 1781 /* 1782 * XXX Should attempt to run with fewer receive 1783 * XXX buffers instead of just failing. 1784 */ 1785 tlp_rxdrain(sc); 1786 goto out; 1787 } 1788 } 1789 } 1790 sc->sc_rxptr = 0; 1791 1792 /* 1793 * Initialize the interrupt mask and enable interrupts. 1794 */ 1795 /* normal interrupts */ 1796 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1797 1798 /* abnormal interrupts */ 1799 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1800 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1801 1802 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1803 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1804 1805 switch (sc->sc_chip) { 1806 case TULIP_CHIP_WB89C840F: 1807 /* 1808 * Clear bits that we don't want that happen to 1809 * overlap or don't exist. 1810 */ 1811 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1812 break; 1813 1814 default: 1815 /* Nothing. */ 1816 } 1817 1818 sc->sc_rxint_mask &= sc->sc_inten; 1819 sc->sc_txint_mask &= sc->sc_inten; 1820 1821 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1822 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1823 1824 /* 1825 * Give the transmit and receive rings to the Tulip. 1826 */ 1827 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1828 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1829 1830 /* 1831 * On chips that do this differently, set the station address. 1832 */ 1833 switch (sc->sc_chip) { 1834 case TULIP_CHIP_WB89C840F: 1835 { 1836 /* XXX Do this with stream writes? */ 1837 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1838 1839 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1840 bus_space_write_1(sc->sc_st, sc->sc_sh, 1841 cpa + i, LLADDR(ifp->if_sadl)[i]); 1842 } 1843 break; 1844 } 1845 1846 case TULIP_CHIP_AL981: 1847 case TULIP_CHIP_AN983: 1848 case TULIP_CHIP_AN985: 1849 { 1850 u_int32_t reg; 1851 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1852 1853 reg = enaddr[0] | 1854 (enaddr[1] << 8) | 1855 (enaddr[2] << 16) | 1856 (enaddr[3] << 24); 1857 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1858 1859 reg = enaddr[4] | 1860 (enaddr[5] << 8); 1861 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1862 } 1863 1864 default: 1865 /* Nothing. */ 1866 } 1867 1868 /* 1869 * Set the receive filter. This will start the transmit and 1870 * receive processes. 1871 */ 1872 (*sc->sc_filter_setup)(sc); 1873 1874 /* 1875 * Set the current media. 1876 */ 1877 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1878 1879 /* 1880 * Start the receive process. 1881 */ 1882 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1883 1884 if (sc->sc_tick != NULL) { 1885 /* Start the one second clock. */ 1886 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1887 } 1888 1889 /* 1890 * Note that the interface is now running. 1891 */ 1892 ifp->if_flags |= IFF_RUNNING; 1893 ifp->if_flags &= ~IFF_OACTIVE; 1894 1895 out: 1896 if (error) { 1897 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1898 ifp->if_timer = 0; 1899 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1900 } 1901 return (error); 1902 } 1903 1904 /* 1905 * tlp_enable: 1906 * 1907 * Enable the Tulip chip. 1908 */ 1909 int 1910 tlp_enable(sc) 1911 struct tulip_softc *sc; 1912 { 1913 1914 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1915 if ((*sc->sc_enable)(sc) != 0) { 1916 printf("%s: device enable failed\n", 1917 sc->sc_dev.dv_xname); 1918 return (EIO); 1919 } 1920 sc->sc_flags |= TULIPF_ENABLED; 1921 } 1922 return (0); 1923 } 1924 1925 /* 1926 * tlp_disable: 1927 * 1928 * Disable the Tulip chip. 1929 */ 1930 void 1931 tlp_disable(sc) 1932 struct tulip_softc *sc; 1933 { 1934 1935 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1936 (*sc->sc_disable)(sc); 1937 sc->sc_flags &= ~TULIPF_ENABLED; 1938 } 1939 } 1940 1941 /* 1942 * tlp_power: 1943 * 1944 * Power management (suspend/resume) hook. 1945 */ 1946 void 1947 tlp_power(why, arg) 1948 int why; 1949 void *arg; 1950 { 1951 struct tulip_softc *sc = arg; 1952 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1953 int s; 1954 1955 s = splnet(); 1956 if (why != PWR_RESUME) { 1957 tlp_stop(ifp, 0); 1958 if (sc->sc_power != NULL) 1959 (*sc->sc_power)(sc, why); 1960 } else if (ifp->if_flags & IFF_UP) { 1961 if (sc->sc_power != NULL) 1962 (*sc->sc_power)(sc, why); 1963 tlp_init(ifp); 1964 } 1965 splx(s); 1966 } 1967 1968 /* 1969 * tlp_rxdrain: 1970 * 1971 * Drain the receive queue. 1972 */ 1973 void 1974 tlp_rxdrain(sc) 1975 struct tulip_softc *sc; 1976 { 1977 struct tulip_rxsoft *rxs; 1978 int i; 1979 1980 for (i = 0; i < TULIP_NRXDESC; i++) { 1981 rxs = &sc->sc_rxsoft[i]; 1982 if (rxs->rxs_mbuf != NULL) { 1983 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1984 m_freem(rxs->rxs_mbuf); 1985 rxs->rxs_mbuf = NULL; 1986 } 1987 } 1988 } 1989 1990 /* 1991 * tlp_stop: [ ifnet interface function ] 1992 * 1993 * Stop transmission on the interface. 1994 */ 1995 void 1996 tlp_stop(ifp, disable) 1997 struct ifnet *ifp; 1998 int disable; 1999 { 2000 struct tulip_softc *sc = ifp->if_softc; 2001 struct tulip_txsoft *txs; 2002 2003 if (sc->sc_tick != NULL) { 2004 /* Stop the one second clock. */ 2005 callout_stop(&sc->sc_tick_callout); 2006 } 2007 2008 if (sc->sc_flags & TULIPF_HAS_MII) { 2009 /* Down the MII. */ 2010 mii_down(&sc->sc_mii); 2011 } 2012 2013 /* Disable interrupts. */ 2014 TULIP_WRITE(sc, CSR_INTEN, 0); 2015 2016 /* Stop the transmit and receive processes. */ 2017 sc->sc_opmode = 0; 2018 TULIP_WRITE(sc, CSR_OPMODE, 0); 2019 TULIP_WRITE(sc, CSR_RXLIST, 0); 2020 TULIP_WRITE(sc, CSR_TXLIST, 0); 2021 2022 /* 2023 * Release any queued transmit buffers. 2024 */ 2025 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2026 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2027 if (txs->txs_mbuf != NULL) { 2028 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2029 m_freem(txs->txs_mbuf); 2030 txs->txs_mbuf = NULL; 2031 } 2032 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2033 } 2034 2035 if (disable) { 2036 tlp_rxdrain(sc); 2037 tlp_disable(sc); 2038 } 2039 2040 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2041 2042 /* 2043 * Mark the interface down and cancel the watchdog timer. 2044 */ 2045 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2046 ifp->if_timer = 0; 2047 } 2048 2049 #define SROM_EMIT(sc, x) \ 2050 do { \ 2051 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2052 delay(2); \ 2053 } while (0) 2054 2055 /* 2056 * tlp_srom_idle: 2057 * 2058 * Put the SROM in idle state. 2059 */ 2060 void 2061 tlp_srom_idle(sc) 2062 struct tulip_softc *sc; 2063 { 2064 u_int32_t miirom; 2065 int i; 2066 2067 miirom = MIIROM_SR; 2068 SROM_EMIT(sc, miirom); 2069 2070 miirom |= MIIROM_RD; 2071 SROM_EMIT(sc, miirom); 2072 2073 miirom |= MIIROM_SROMCS; 2074 SROM_EMIT(sc, miirom); 2075 2076 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2077 2078 /* Strobe the clock 32 times. */ 2079 for (i = 0; i < 32; i++) { 2080 SROM_EMIT(sc, miirom); 2081 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2082 } 2083 2084 SROM_EMIT(sc, miirom); 2085 2086 miirom &= ~MIIROM_SROMCS; 2087 SROM_EMIT(sc, miirom); 2088 2089 SROM_EMIT(sc, 0); 2090 } 2091 2092 /* 2093 * tlp_srom_size: 2094 * 2095 * Determine the number of address bits in the SROM. 2096 */ 2097 int 2098 tlp_srom_size(sc) 2099 struct tulip_softc *sc; 2100 { 2101 u_int32_t miirom; 2102 int x; 2103 2104 /* Select the SROM. */ 2105 miirom = MIIROM_SR; 2106 SROM_EMIT(sc, miirom); 2107 2108 miirom |= MIIROM_RD; 2109 SROM_EMIT(sc, miirom); 2110 2111 /* Send CHIP SELECT for one clock tick. */ 2112 miirom |= MIIROM_SROMCS; 2113 SROM_EMIT(sc, miirom); 2114 2115 /* Shift in the READ opcode. */ 2116 for (x = 3; x > 0; x--) { 2117 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2118 miirom |= MIIROM_SROMDI; 2119 else 2120 miirom &= ~MIIROM_SROMDI; 2121 SROM_EMIT(sc, miirom); 2122 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2123 SROM_EMIT(sc, miirom); 2124 } 2125 2126 /* Shift in address and look for dummy 0 bit. */ 2127 for (x = 1; x <= 12; x++) { 2128 miirom &= ~MIIROM_SROMDI; 2129 SROM_EMIT(sc, miirom); 2130 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2131 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2132 break; 2133 SROM_EMIT(sc, miirom); 2134 } 2135 2136 /* Clear CHIP SELECT. */ 2137 miirom &= ~MIIROM_SROMCS; 2138 SROM_EMIT(sc, miirom); 2139 2140 /* Deselect the SROM. */ 2141 SROM_EMIT(sc, 0); 2142 2143 if (x < 4 || x > 12) { 2144 printf("%s: broken MicroWire interface detected; " 2145 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2146 return (6); 2147 } else { 2148 if (tlp_srom_debug) 2149 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2150 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2151 return (x); 2152 } 2153 } 2154 2155 /* 2156 * tlp_read_srom: 2157 * 2158 * Read the Tulip SROM. 2159 */ 2160 int 2161 tlp_read_srom(sc) 2162 struct tulip_softc *sc; 2163 { 2164 int size; 2165 u_int32_t miirom; 2166 u_int16_t datain; 2167 int i, x; 2168 2169 tlp_srom_idle(sc); 2170 2171 sc->sc_srom_addrbits = tlp_srom_size(sc); 2172 if (sc->sc_srom_addrbits == 0) 2173 return (0); 2174 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2175 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2176 2177 /* Select the SROM. */ 2178 miirom = MIIROM_SR; 2179 SROM_EMIT(sc, miirom); 2180 2181 miirom |= MIIROM_RD; 2182 SROM_EMIT(sc, miirom); 2183 2184 for (i = 0; i < size; i += 2) { 2185 /* Send CHIP SELECT for one clock tick. */ 2186 miirom |= MIIROM_SROMCS; 2187 SROM_EMIT(sc, miirom); 2188 2189 /* Shift in the READ opcode. */ 2190 for (x = 3; x > 0; x--) { 2191 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2192 miirom |= MIIROM_SROMDI; 2193 else 2194 miirom &= ~MIIROM_SROMDI; 2195 SROM_EMIT(sc, miirom); 2196 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2197 SROM_EMIT(sc, miirom); 2198 } 2199 2200 /* Shift in address. */ 2201 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2202 if (i & (1 << x)) 2203 miirom |= MIIROM_SROMDI; 2204 else 2205 miirom &= ~MIIROM_SROMDI; 2206 SROM_EMIT(sc, miirom); 2207 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2208 SROM_EMIT(sc, miirom); 2209 } 2210 2211 /* Shift out data. */ 2212 miirom &= ~MIIROM_SROMDI; 2213 datain = 0; 2214 for (x = 16; x > 0; x--) { 2215 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2216 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2217 datain |= (1 << (x - 1)); 2218 SROM_EMIT(sc, miirom); 2219 } 2220 sc->sc_srom[i] = datain & 0xff; 2221 sc->sc_srom[i + 1] = datain >> 8; 2222 2223 /* Clear CHIP SELECT. */ 2224 miirom &= ~MIIROM_SROMCS; 2225 SROM_EMIT(sc, miirom); 2226 } 2227 2228 /* Deselect the SROM. */ 2229 SROM_EMIT(sc, 0); 2230 2231 /* ...and idle it. */ 2232 tlp_srom_idle(sc); 2233 2234 if (tlp_srom_debug) { 2235 printf("SROM CONTENTS:"); 2236 for (i = 0; i < size; i++) { 2237 if ((i % 8) == 0) 2238 printf("\n\t"); 2239 printf("0x%02x ", sc->sc_srom[i]); 2240 } 2241 printf("\n"); 2242 } 2243 2244 return (1); 2245 } 2246 2247 #undef SROM_EMIT 2248 2249 /* 2250 * tlp_add_rxbuf: 2251 * 2252 * Add a receive buffer to the indicated descriptor. 2253 */ 2254 int 2255 tlp_add_rxbuf(sc, idx) 2256 struct tulip_softc *sc; 2257 int idx; 2258 { 2259 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2260 struct mbuf *m; 2261 int error; 2262 2263 MGETHDR(m, M_DONTWAIT, MT_DATA); 2264 if (m == NULL) 2265 return (ENOBUFS); 2266 2267 MCLGET(m, M_DONTWAIT); 2268 if ((m->m_flags & M_EXT) == 0) { 2269 m_freem(m); 2270 return (ENOBUFS); 2271 } 2272 2273 if (rxs->rxs_mbuf != NULL) 2274 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2275 2276 rxs->rxs_mbuf = m; 2277 2278 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2279 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2280 if (error) { 2281 printf("%s: can't load rx DMA map %d, error = %d\n", 2282 sc->sc_dev.dv_xname, idx, error); 2283 panic("tlp_add_rxbuf"); /* XXX */ 2284 } 2285 2286 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2287 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2288 2289 TULIP_INIT_RXDESC(sc, idx); 2290 2291 return (0); 2292 } 2293 2294 /* 2295 * tlp_srom_crcok: 2296 * 2297 * Check the CRC of the Tulip SROM. 2298 */ 2299 int 2300 tlp_srom_crcok(romdata) 2301 const u_int8_t *romdata; 2302 { 2303 u_int32_t crc; 2304 2305 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2306 crc = (crc & 0xffff) ^ 0xffff; 2307 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2308 return (1); 2309 2310 /* 2311 * Try an alternate checksum. 2312 */ 2313 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2314 crc = (crc & 0xffff) ^ 0xffff; 2315 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2316 return (1); 2317 2318 return (0); 2319 } 2320 2321 /* 2322 * tlp_isv_srom: 2323 * 2324 * Check to see if the SROM is in the new standardized format. 2325 */ 2326 int 2327 tlp_isv_srom(romdata) 2328 const u_int8_t *romdata; 2329 { 2330 int i; 2331 u_int16_t cksum; 2332 2333 if (tlp_srom_crcok(romdata)) { 2334 /* 2335 * SROM CRC checks out; must be in the new format. 2336 */ 2337 return (1); 2338 } 2339 2340 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2341 if (cksum == 0xffff || cksum == 0) { 2342 /* 2343 * No checksum present. Check the SROM ID; 18 bytes of 0 2344 * followed by 1 (version) followed by the number of 2345 * adapters which use this SROM (should be non-zero). 2346 */ 2347 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2348 if (romdata[i] != 0) 2349 return (0); 2350 } 2351 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2352 return (0); 2353 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2354 return (0); 2355 return (1); 2356 } 2357 2358 return (0); 2359 } 2360 2361 /* 2362 * tlp_isv_srom_enaddr: 2363 * 2364 * Get the Ethernet address from an ISV SROM. 2365 */ 2366 int 2367 tlp_isv_srom_enaddr(sc, enaddr) 2368 struct tulip_softc *sc; 2369 u_int8_t *enaddr; 2370 { 2371 int i, devcnt; 2372 2373 if (tlp_isv_srom(sc->sc_srom) == 0) 2374 return (0); 2375 2376 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2377 for (i = 0; i < devcnt; i++) { 2378 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2379 break; 2380 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2381 sc->sc_devno) 2382 break; 2383 } 2384 2385 if (i == devcnt) 2386 return (0); 2387 2388 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2389 ETHER_ADDR_LEN); 2390 enaddr[5] += i; 2391 2392 return (1); 2393 } 2394 2395 /* 2396 * tlp_parse_old_srom: 2397 * 2398 * Parse old-format SROMs. 2399 * 2400 * This routine is largely lifted from Matt Thomas's `de' driver. 2401 */ 2402 int 2403 tlp_parse_old_srom(sc, enaddr) 2404 struct tulip_softc *sc; 2405 u_int8_t *enaddr; 2406 { 2407 static const u_int8_t testpat[] = 2408 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2409 int i; 2410 u_int32_t cksum; 2411 2412 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2413 /* 2414 * Some vendors (e.g. ZNYX) don't use the standard 2415 * DEC Address ROM format, but rather just have an 2416 * Ethernet address in the first 6 bytes, maybe a 2417 * 2 byte checksum, and then all 0xff's. 2418 * 2419 * On the other hand, Cobalt Networks interfaces 2420 * simply have the address in the first six bytes 2421 * with the rest zeroed out. 2422 */ 2423 for (i = 8; i < 32; i++) { 2424 if (sc->sc_srom[i] != 0xff && 2425 sc->sc_srom[i] != 0) 2426 return (0); 2427 } 2428 2429 /* 2430 * Sanity check the Ethernet address: 2431 * 2432 * - Make sure it's not multicast or locally 2433 * assigned 2434 * - Make sure it has a non-0 OUI 2435 */ 2436 if (sc->sc_srom[0] & 3) 2437 return (0); 2438 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2439 sc->sc_srom[2] == 0) 2440 return (0); 2441 2442 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2443 return (1); 2444 } 2445 2446 /* 2447 * Standard DEC Address ROM test. 2448 */ 2449 2450 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2451 return (0); 2452 2453 for (i = 0; i < 8; i++) { 2454 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2455 return (0); 2456 } 2457 2458 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2459 2460 cksum = *(u_int16_t *) &enaddr[0]; 2461 2462 cksum <<= 1; 2463 if (cksum > 0xffff) 2464 cksum -= 0xffff; 2465 2466 cksum += *(u_int16_t *) &enaddr[2]; 2467 if (cksum > 0xffff) 2468 cksum -= 0xffff; 2469 2470 cksum <<= 1; 2471 if (cksum > 0xffff) 2472 cksum -= 0xffff; 2473 2474 cksum += *(u_int16_t *) &enaddr[4]; 2475 if (cksum >= 0xffff) 2476 cksum -= 0xffff; 2477 2478 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2479 return (0); 2480 2481 return (1); 2482 } 2483 2484 /* 2485 * tlp_filter_setup: 2486 * 2487 * Set the Tulip's receive filter. 2488 */ 2489 void 2490 tlp_filter_setup(sc) 2491 struct tulip_softc *sc; 2492 { 2493 struct ethercom *ec = &sc->sc_ethercom; 2494 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2495 struct ether_multi *enm; 2496 struct ether_multistep step; 2497 __volatile u_int32_t *sp; 2498 struct tulip_txsoft *txs; 2499 u_int8_t enaddr[ETHER_ADDR_LEN]; 2500 u_int32_t hash, hashsize; 2501 int cnt; 2502 2503 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2504 sc->sc_dev.dv_xname, sc->sc_flags)); 2505 2506 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2507 2508 /* 2509 * If there are transmissions pending, wait until they have 2510 * completed. 2511 */ 2512 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2513 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2514 sc->sc_flags |= TULIPF_WANT_SETUP; 2515 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2516 sc->sc_dev.dv_xname)); 2517 return; 2518 } 2519 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2520 2521 switch (sc->sc_chip) { 2522 case TULIP_CHIP_82C115: 2523 hashsize = TULIP_PNICII_HASHSIZE; 2524 break; 2525 2526 default: 2527 hashsize = TULIP_MCHASHSIZE; 2528 } 2529 2530 /* 2531 * If we're running, idle the transmit and receive engines. If 2532 * we're NOT running, we're being called from tlp_init(), and our 2533 * writing OPMODE will start the transmit and receive processes 2534 * in motion. 2535 */ 2536 if (ifp->if_flags & IFF_RUNNING) 2537 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2538 2539 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2540 2541 if (ifp->if_flags & IFF_PROMISC) { 2542 sc->sc_opmode |= OPMODE_PR; 2543 goto allmulti; 2544 } 2545 2546 /* 2547 * Try Perfect filtering first. 2548 */ 2549 2550 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2551 sp = TULIP_CDSP(sc); 2552 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2553 cnt = 0; 2554 ETHER_FIRST_MULTI(step, ec, enm); 2555 while (enm != NULL) { 2556 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2557 /* 2558 * We must listen to a range of multicast addresses. 2559 * For now, just accept all multicasts, rather than 2560 * trying to set only those filter bits needed to match 2561 * the range. (At this time, the only use of address 2562 * ranges is for IP multicast routing, for which the 2563 * range is big enough to require all bits set.) 2564 */ 2565 goto allmulti; 2566 } 2567 if (cnt == (TULIP_MAXADDRS - 2)) { 2568 /* 2569 * We already have our multicast limit (still need 2570 * our station address and broadcast). Go to 2571 * Hash-Perfect mode. 2572 */ 2573 goto hashperfect; 2574 } 2575 cnt++; 2576 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2577 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2578 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2579 ETHER_NEXT_MULTI(step, enm); 2580 } 2581 2582 if (ifp->if_flags & IFF_BROADCAST) { 2583 /* ...and the broadcast address. */ 2584 cnt++; 2585 *sp++ = TULIP_SP_FIELD_C(0xffff); 2586 *sp++ = TULIP_SP_FIELD_C(0xffff); 2587 *sp++ = TULIP_SP_FIELD_C(0xffff); 2588 } 2589 2590 /* Pad the rest with our station address. */ 2591 for (; cnt < TULIP_MAXADDRS; cnt++) { 2592 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2593 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2594 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2595 } 2596 ifp->if_flags &= ~IFF_ALLMULTI; 2597 goto setit; 2598 2599 hashperfect: 2600 /* 2601 * Try Hash-Perfect mode. 2602 */ 2603 2604 /* 2605 * Some 21140 chips have broken Hash-Perfect modes. On these 2606 * chips, we simply use Hash-Only mode, and put our station 2607 * address into the filter. 2608 */ 2609 if (sc->sc_chip == TULIP_CHIP_21140) 2610 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2611 else 2612 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2613 sp = TULIP_CDSP(sc); 2614 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2615 ETHER_FIRST_MULTI(step, ec, enm); 2616 while (enm != NULL) { 2617 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2618 /* 2619 * We must listen to a range of multicast addresses. 2620 * For now, just accept all multicasts, rather than 2621 * trying to set only those filter bits needed to match 2622 * the range. (At this time, the only use of address 2623 * ranges is for IP multicast routing, for which the 2624 * range is big enough to require all bits set.) 2625 */ 2626 goto allmulti; 2627 } 2628 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2629 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2630 ETHER_NEXT_MULTI(step, enm); 2631 } 2632 2633 if (ifp->if_flags & IFF_BROADCAST) { 2634 /* ...and the broadcast address. */ 2635 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2636 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2637 } 2638 2639 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2640 /* ...and our station address. */ 2641 hash = tlp_mchash(enaddr, hashsize); 2642 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2643 } else { 2644 /* 2645 * Hash-Perfect mode; put our station address after 2646 * the hash table. 2647 */ 2648 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2649 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2650 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2651 } 2652 ifp->if_flags &= ~IFF_ALLMULTI; 2653 goto setit; 2654 2655 allmulti: 2656 /* 2657 * Use Perfect filter mode. First address is the broadcast address, 2658 * and pad the rest with our station address. We'll set Pass-all- 2659 * multicast in OPMODE below. 2660 */ 2661 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2662 sp = TULIP_CDSP(sc); 2663 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2664 cnt = 0; 2665 if (ifp->if_flags & IFF_BROADCAST) { 2666 cnt++; 2667 *sp++ = TULIP_SP_FIELD_C(0xffff); 2668 *sp++ = TULIP_SP_FIELD_C(0xffff); 2669 *sp++ = TULIP_SP_FIELD_C(0xffff); 2670 } 2671 for (; cnt < TULIP_MAXADDRS; cnt++) { 2672 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2673 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2674 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2675 } 2676 ifp->if_flags |= IFF_ALLMULTI; 2677 2678 setit: 2679 if (ifp->if_flags & IFF_ALLMULTI) 2680 sc->sc_opmode |= OPMODE_PM; 2681 2682 /* Sync the setup packet buffer. */ 2683 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2684 2685 /* 2686 * Fill in the setup packet descriptor. 2687 */ 2688 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2689 2690 txs->txs_firstdesc = sc->sc_txnext; 2691 txs->txs_lastdesc = sc->sc_txnext; 2692 txs->txs_ndescs = 1; 2693 txs->txs_mbuf = NULL; 2694 2695 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2696 htole32(TULIP_CDSPADDR(sc)); 2697 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2698 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2699 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2700 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2701 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2702 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2703 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2704 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2705 2706 /* Advance the tx pointer. */ 2707 sc->sc_txfree -= 1; 2708 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2709 2710 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2711 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2712 2713 /* 2714 * Set the OPMODE register. This will also resume the 2715 * transmit transmit process we idled above. 2716 */ 2717 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2718 2719 sc->sc_flags |= TULIPF_DOING_SETUP; 2720 2721 /* 2722 * Kick the transmitter; this will cause the Tulip to 2723 * read the setup descriptor. 2724 */ 2725 /* XXX USE AUTOPOLLING? */ 2726 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2727 2728 /* Set up a watchdog timer in case the chip flakes out. */ 2729 ifp->if_timer = 5; 2730 2731 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2732 } 2733 2734 /* 2735 * tlp_winb_filter_setup: 2736 * 2737 * Set the Winbond 89C840F's receive filter. 2738 */ 2739 void 2740 tlp_winb_filter_setup(sc) 2741 struct tulip_softc *sc; 2742 { 2743 struct ethercom *ec = &sc->sc_ethercom; 2744 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2745 struct ether_multi *enm; 2746 struct ether_multistep step; 2747 u_int32_t hash, mchash[2]; 2748 2749 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2750 sc->sc_dev.dv_xname, sc->sc_flags)); 2751 2752 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2753 2754 if (ifp->if_flags & IFF_MULTICAST) 2755 sc->sc_opmode |= OPMODE_WINB_AMP; 2756 2757 if (ifp->if_flags & IFF_BROADCAST) 2758 sc->sc_opmode |= OPMODE_WINB_ABP; 2759 2760 if (ifp->if_flags & IFF_PROMISC) { 2761 sc->sc_opmode |= OPMODE_WINB_APP; 2762 goto allmulti; 2763 } 2764 2765 mchash[0] = mchash[1] = 0; 2766 2767 ETHER_FIRST_MULTI(step, ec, enm); 2768 while (enm != NULL) { 2769 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2770 /* 2771 * We must listen to a range of multicast addresses. 2772 * For now, just accept all multicasts, rather than 2773 * trying to set only those filter bits needed to match 2774 * the range. (At this time, the only use of address 2775 * ranges is for IP multicast routing, for which the 2776 * range is big enough to require all bits set.) 2777 */ 2778 goto allmulti; 2779 } 2780 2781 /* 2782 * According to the FreeBSD `wb' driver, yes, you 2783 * really do invert the hash. 2784 */ 2785 hash = 2786 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2787 & 0x3f; 2788 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2789 ETHER_NEXT_MULTI(step, enm); 2790 } 2791 ifp->if_flags &= ~IFF_ALLMULTI; 2792 goto setit; 2793 2794 allmulti: 2795 ifp->if_flags |= IFF_ALLMULTI; 2796 mchash[0] = mchash[1] = 0xffffffff; 2797 2798 setit: 2799 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2800 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2801 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2802 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2803 sc->sc_dev.dv_xname)); 2804 } 2805 2806 /* 2807 * tlp_al981_filter_setup: 2808 * 2809 * Set the ADMtek AL981's receive filter. 2810 */ 2811 void 2812 tlp_al981_filter_setup(sc) 2813 struct tulip_softc *sc; 2814 { 2815 struct ethercom *ec = &sc->sc_ethercom; 2816 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2817 struct ether_multi *enm; 2818 struct ether_multistep step; 2819 u_int32_t hash, mchash[2]; 2820 2821 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2822 sc->sc_dev.dv_xname, sc->sc_flags)); 2823 2824 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2825 2826 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2827 2828 if (ifp->if_flags & IFF_PROMISC) { 2829 sc->sc_opmode |= OPMODE_PR; 2830 goto allmulti; 2831 } 2832 2833 mchash[0] = mchash[1] = 0; 2834 2835 ETHER_FIRST_MULTI(step, ec, enm); 2836 while (enm != NULL) { 2837 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2838 /* 2839 * We must listen to a range of multicast addresses. 2840 * For now, just accept all multicasts, rather than 2841 * trying to set only those filter bits needed to match 2842 * the range. (At this time, the only use of address 2843 * ranges is for IP multicast routing, for which the 2844 * range is big enough to require all bits set.) 2845 */ 2846 goto allmulti; 2847 } 2848 2849 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2850 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2851 ETHER_NEXT_MULTI(step, enm); 2852 } 2853 ifp->if_flags &= ~IFF_ALLMULTI; 2854 goto setit; 2855 2856 allmulti: 2857 ifp->if_flags |= IFF_ALLMULTI; 2858 mchash[0] = mchash[1] = 0xffffffff; 2859 2860 setit: 2861 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2862 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2863 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2864 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2865 sc->sc_dev.dv_xname)); 2866 } 2867 2868 /* 2869 * tlp_idle: 2870 * 2871 * Cause the transmit and/or receive processes to go idle. 2872 */ 2873 void 2874 tlp_idle(sc, bits) 2875 struct tulip_softc *sc; 2876 u_int32_t bits; 2877 { 2878 static const char *tlp_tx_state_names[] = { 2879 "STOPPED", 2880 "RUNNING - FETCH", 2881 "RUNNING - WAIT", 2882 "RUNNING - READING", 2883 "-- RESERVED --", 2884 "RUNNING - SETUP", 2885 "SUSPENDED", 2886 "RUNNING - CLOSE", 2887 }; 2888 static const char *tlp_rx_state_names[] = { 2889 "STOPPED", 2890 "RUNNING - FETCH", 2891 "RUNNING - CHECK", 2892 "RUNNING - WAIT", 2893 "SUSPENDED", 2894 "RUNNING - CLOSE", 2895 "RUNNING - FLUSH", 2896 "RUNNING - QUEUE", 2897 }; 2898 static const char *dm9102_tx_state_names[] = { 2899 "STOPPED", 2900 "RUNNING - FETCH", 2901 "RUNNING - SETUP", 2902 "RUNNING - READING", 2903 "RUNNING - CLOSE - CLEAR OWNER", 2904 "RUNNING - WAIT", 2905 "RUNNING - CLOSE - WRITE STATUS", 2906 "SUSPENDED", 2907 }; 2908 static const char *dm9102_rx_state_names[] = { 2909 "STOPPED", 2910 "RUNNING - FETCH", 2911 "RUNNING - WAIT", 2912 "RUNNING - QUEUE", 2913 "RUNNING - CLOSE - CLEAR OWNER", 2914 "RUNNING - CLOSE - WRITE STATUS", 2915 "SUSPENDED", 2916 "RUNNING - FLUSH", 2917 }; 2918 2919 const char **tx_state_names, **rx_state_names; 2920 u_int32_t csr, ackmask = 0; 2921 int i; 2922 2923 switch (sc->sc_chip) { 2924 case TULIP_CHIP_DM9102: 2925 case TULIP_CHIP_DM9102A: 2926 tx_state_names = dm9102_tx_state_names; 2927 rx_state_names = dm9102_rx_state_names; 2928 break; 2929 2930 default: 2931 tx_state_names = tlp_tx_state_names; 2932 rx_state_names = tlp_rx_state_names; 2933 break; 2934 } 2935 2936 if (bits & OPMODE_ST) 2937 ackmask |= STATUS_TPS; 2938 2939 if (bits & OPMODE_SR) 2940 ackmask |= STATUS_RPS; 2941 2942 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2943 2944 for (i = 0; i < 1000; i++) { 2945 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2946 break; 2947 delay(10); 2948 } 2949 2950 csr = TULIP_READ(sc, CSR_STATUS); 2951 if ((csr & ackmask) != ackmask) { 2952 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2953 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2954 printf("%s: transmit process failed to idle: " 2955 "state %s\n", sc->sc_dev.dv_xname, 2956 tx_state_names[(csr & STATUS_TS) >> 20]); 2957 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2958 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2959 printf("%s: receive process failed to idle: " 2960 "state %s\n", sc->sc_dev.dv_xname, 2961 rx_state_names[(csr & STATUS_RS) >> 17]); 2962 } 2963 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2964 } 2965 2966 /***************************************************************************** 2967 * Generic media support functions. 2968 *****************************************************************************/ 2969 2970 /* 2971 * tlp_mediastatus: [ifmedia interface function] 2972 * 2973 * Query the current media. 2974 */ 2975 void 2976 tlp_mediastatus(ifp, ifmr) 2977 struct ifnet *ifp; 2978 struct ifmediareq *ifmr; 2979 { 2980 struct tulip_softc *sc = ifp->if_softc; 2981 2982 if (TULIP_IS_ENABLED(sc) == 0) { 2983 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 2984 ifmr->ifm_status = 0; 2985 return; 2986 } 2987 2988 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 2989 } 2990 2991 /* 2992 * tlp_mediachange: [ifmedia interface function] 2993 * 2994 * Update the current media. 2995 */ 2996 int 2997 tlp_mediachange(ifp) 2998 struct ifnet *ifp; 2999 { 3000 struct tulip_softc *sc = ifp->if_softc; 3001 3002 if ((ifp->if_flags & IFF_UP) == 0) 3003 return (0); 3004 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3005 } 3006 3007 /***************************************************************************** 3008 * Support functions for MII-attached media. 3009 *****************************************************************************/ 3010 3011 /* 3012 * tlp_mii_tick: 3013 * 3014 * One second timer, used to tick the MII. 3015 */ 3016 void 3017 tlp_mii_tick(arg) 3018 void *arg; 3019 { 3020 struct tulip_softc *sc = arg; 3021 int s; 3022 3023 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3024 return; 3025 3026 s = splnet(); 3027 mii_tick(&sc->sc_mii); 3028 splx(s); 3029 3030 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3031 } 3032 3033 /* 3034 * tlp_mii_statchg: [mii interface function] 3035 * 3036 * Callback from PHY when media changes. 3037 */ 3038 void 3039 tlp_mii_statchg(self) 3040 struct device *self; 3041 { 3042 struct tulip_softc *sc = (struct tulip_softc *)self; 3043 3044 /* Idle the transmit and receive processes. */ 3045 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3046 3047 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3048 3049 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3050 sc->sc_opmode |= OPMODE_TTM; 3051 else 3052 sc->sc_opmode |= OPMODE_HBD; 3053 3054 if (sc->sc_mii.mii_media_active & IFM_FDX) 3055 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3056 3057 /* 3058 * Write new OPMODE bits. This also restarts the transmit 3059 * and receive processes. 3060 */ 3061 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3062 } 3063 3064 /* 3065 * tlp_winb_mii_statchg: [mii interface function] 3066 * 3067 * Callback from PHY when media changes. This version is 3068 * for the Winbond 89C840F, which has different OPMODE bits. 3069 */ 3070 void 3071 tlp_winb_mii_statchg(self) 3072 struct device *self; 3073 { 3074 struct tulip_softc *sc = (struct tulip_softc *)self; 3075 3076 /* Idle the transmit and receive processes. */ 3077 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3078 3079 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3080 3081 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3082 sc->sc_opmode |= OPMODE_WINB_FES; 3083 3084 if (sc->sc_mii.mii_media_active & IFM_FDX) 3085 sc->sc_opmode |= OPMODE_FD; 3086 3087 /* 3088 * Write new OPMODE bits. This also restarts the transmit 3089 * and receive processes. 3090 */ 3091 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3092 } 3093 3094 /* 3095 * tlp_dm9102_mii_statchg: [mii interface function] 3096 * 3097 * Callback from PHY when media changes. This version is 3098 * for the DM9102. 3099 */ 3100 void 3101 tlp_dm9102_mii_statchg(self) 3102 struct device *self; 3103 { 3104 struct tulip_softc *sc = (struct tulip_softc *)self; 3105 3106 /* 3107 * Don't idle the transmit and receive processes, here. It 3108 * seems to fail, and just causes excess noise. 3109 */ 3110 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3111 3112 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3113 sc->sc_opmode |= OPMODE_TTM; 3114 3115 if (sc->sc_mii.mii_media_active & IFM_FDX) 3116 sc->sc_opmode |= OPMODE_FD; 3117 3118 /* 3119 * Write new OPMODE bits. 3120 */ 3121 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3122 } 3123 3124 /* 3125 * tlp_mii_getmedia: 3126 * 3127 * Callback from ifmedia to request current media status. 3128 */ 3129 void 3130 tlp_mii_getmedia(sc, ifmr) 3131 struct tulip_softc *sc; 3132 struct ifmediareq *ifmr; 3133 { 3134 3135 mii_pollstat(&sc->sc_mii); 3136 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3137 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3138 } 3139 3140 /* 3141 * tlp_mii_setmedia: 3142 * 3143 * Callback from ifmedia to request new media setting. 3144 */ 3145 int 3146 tlp_mii_setmedia(sc) 3147 struct tulip_softc *sc; 3148 { 3149 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3150 3151 if (ifp->if_flags & IFF_UP) { 3152 switch (sc->sc_chip) { 3153 case TULIP_CHIP_21142: 3154 case TULIP_CHIP_21143: 3155 /* Disable the internal Nway engine. */ 3156 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3157 break; 3158 3159 default: 3160 /* Nothing. */ 3161 } 3162 mii_mediachg(&sc->sc_mii); 3163 } 3164 return (0); 3165 } 3166 3167 /* 3168 * tlp_bitbang_mii_readreg: 3169 * 3170 * Read a PHY register via bit-bang'ing the MII. 3171 */ 3172 int 3173 tlp_bitbang_mii_readreg(self, phy, reg) 3174 struct device *self; 3175 int phy, reg; 3176 { 3177 struct tulip_softc *sc = (void *) self; 3178 3179 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3180 } 3181 3182 /* 3183 * tlp_bitbang_mii_writereg: 3184 * 3185 * Write a PHY register via bit-bang'ing the MII. 3186 */ 3187 void 3188 tlp_bitbang_mii_writereg(self, phy, reg, val) 3189 struct device *self; 3190 int phy, reg, val; 3191 { 3192 struct tulip_softc *sc = (void *) self; 3193 3194 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3195 } 3196 3197 /* 3198 * tlp_sio_mii_bitbang_read: 3199 * 3200 * Read the MII serial port for the MII bit-bang module. 3201 */ 3202 u_int32_t 3203 tlp_sio_mii_bitbang_read(self) 3204 struct device *self; 3205 { 3206 struct tulip_softc *sc = (void *) self; 3207 3208 return (TULIP_READ(sc, CSR_MIIROM)); 3209 } 3210 3211 /* 3212 * tlp_sio_mii_bitbang_write: 3213 * 3214 * Write the MII serial port for the MII bit-bang module. 3215 */ 3216 void 3217 tlp_sio_mii_bitbang_write(self, val) 3218 struct device *self; 3219 u_int32_t val; 3220 { 3221 struct tulip_softc *sc = (void *) self; 3222 3223 TULIP_WRITE(sc, CSR_MIIROM, val); 3224 } 3225 3226 /* 3227 * tlp_pnic_mii_readreg: 3228 * 3229 * Read a PHY register on the Lite-On PNIC. 3230 */ 3231 int 3232 tlp_pnic_mii_readreg(self, phy, reg) 3233 struct device *self; 3234 int phy, reg; 3235 { 3236 struct tulip_softc *sc = (void *) self; 3237 u_int32_t val; 3238 int i; 3239 3240 TULIP_WRITE(sc, CSR_PNIC_MII, 3241 PNIC_MII_MBO | PNIC_MII_RESERVED | 3242 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3243 (reg << PNIC_MII_REGSHIFT)); 3244 3245 for (i = 0; i < 1000; i++) { 3246 delay(10); 3247 val = TULIP_READ(sc, CSR_PNIC_MII); 3248 if ((val & PNIC_MII_BUSY) == 0) { 3249 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3250 return (0); 3251 else 3252 return (val & PNIC_MII_DATA); 3253 } 3254 } 3255 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3256 return (0); 3257 } 3258 3259 /* 3260 * tlp_pnic_mii_writereg: 3261 * 3262 * Write a PHY register on the Lite-On PNIC. 3263 */ 3264 void 3265 tlp_pnic_mii_writereg(self, phy, reg, val) 3266 struct device *self; 3267 int phy, reg, val; 3268 { 3269 struct tulip_softc *sc = (void *) self; 3270 int i; 3271 3272 TULIP_WRITE(sc, CSR_PNIC_MII, 3273 PNIC_MII_MBO | PNIC_MII_RESERVED | 3274 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3275 (reg << PNIC_MII_REGSHIFT) | val); 3276 3277 for (i = 0; i < 1000; i++) { 3278 delay(10); 3279 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3280 return; 3281 } 3282 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3283 } 3284 3285 const bus_addr_t tlp_al981_phy_regmap[] = { 3286 CSR_ADM_BMCR, 3287 CSR_ADM_BMSR, 3288 CSR_ADM_PHYIDR1, 3289 CSR_ADM_PHYIDR2, 3290 CSR_ADM_ANAR, 3291 CSR_ADM_ANLPAR, 3292 CSR_ADM_ANER, 3293 3294 CSR_ADM_XMC, 3295 CSR_ADM_XCIIS, 3296 CSR_ADM_XIE, 3297 CSR_ADM_100CTR, 3298 }; 3299 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3300 sizeof(tlp_al981_phy_regmap[0]); 3301 3302 /* 3303 * tlp_al981_mii_readreg: 3304 * 3305 * Read a PHY register on the ADMtek AL981. 3306 */ 3307 int 3308 tlp_al981_mii_readreg(self, phy, reg) 3309 struct device *self; 3310 int phy, reg; 3311 { 3312 struct tulip_softc *sc = (struct tulip_softc *)self; 3313 3314 /* AL981 only has an internal PHY. */ 3315 if (phy != 0) 3316 return (0); 3317 3318 if (reg >= tlp_al981_phy_regmap_size) 3319 return (0); 3320 3321 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3322 tlp_al981_phy_regmap[reg]) & 0xffff); 3323 } 3324 3325 /* 3326 * tlp_al981_mii_writereg: 3327 * 3328 * Write a PHY register on the ADMtek AL981. 3329 */ 3330 void 3331 tlp_al981_mii_writereg(self, phy, reg, val) 3332 struct device *self; 3333 int phy, reg, val; 3334 { 3335 struct tulip_softc *sc = (struct tulip_softc *)self; 3336 3337 /* AL981 only has an internal PHY. */ 3338 if (phy != 0) 3339 return; 3340 3341 if (reg >= tlp_al981_phy_regmap_size) 3342 return; 3343 3344 bus_space_write_4(sc->sc_st, sc->sc_sh, 3345 tlp_al981_phy_regmap[reg], val); 3346 } 3347 3348 /***************************************************************************** 3349 * Chip-specific pre-init and reset functions. 3350 *****************************************************************************/ 3351 3352 /* 3353 * tlp_2114x_preinit: 3354 * 3355 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3356 */ 3357 void 3358 tlp_2114x_preinit(sc) 3359 struct tulip_softc *sc; 3360 { 3361 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3362 struct tulip_21x4x_media *tm = ife->ifm_aux; 3363 3364 /* 3365 * Whether or not we're in MII or SIA/SYM mode, the media info 3366 * contains the appropriate OPMODE bits. 3367 * 3368 * Note that if we have no media info, we are are doing 3369 * non-MII `auto'. 3370 * 3371 * Also, we always set the Must-Be-One bit. 3372 */ 3373 if (tm == NULL) { 3374 #ifdef DIAGNOSTIC 3375 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3376 panic("tlp_2114x_preinit: not IFM_AUTO"); 3377 if (sc->sc_nway_active == NULL) 3378 panic("tlp_2114x_preinit: nway_active NULL"); 3379 #endif 3380 tm = sc->sc_nway_active->ifm_aux; 3381 } 3382 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3383 3384 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3385 } 3386 3387 /* 3388 * tlp_2114x_mii_preinit: 3389 * 3390 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3391 * This version is used by boards which only have MII and don't have 3392 * an ISV SROM. 3393 */ 3394 void 3395 tlp_2114x_mii_preinit(sc) 3396 struct tulip_softc *sc; 3397 { 3398 3399 /* 3400 * Always set the Must-Be-One bit, and Port Select (to select MII). 3401 * We'll never be called during a media change. 3402 */ 3403 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3404 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3405 } 3406 3407 /* 3408 * tlp_pnic_preinit: 3409 * 3410 * Pre-init function for the Lite-On 82c168 and 82c169. 3411 */ 3412 void 3413 tlp_pnic_preinit(sc) 3414 struct tulip_softc *sc; 3415 { 3416 3417 if (sc->sc_flags & TULIPF_HAS_MII) { 3418 /* 3419 * MII case: just set the port-select bit; we will never 3420 * be called during a media change. 3421 */ 3422 sc->sc_opmode |= OPMODE_PS; 3423 } else { 3424 /* 3425 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3426 */ 3427 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3428 } 3429 } 3430 3431 /* 3432 * tlp_dm9102_preinit: 3433 * 3434 * Pre-init function for the Davicom DM9102. 3435 */ 3436 void 3437 tlp_dm9102_preinit(sc) 3438 struct tulip_softc *sc; 3439 { 3440 3441 switch (sc->sc_chip) { 3442 case TULIP_CHIP_DM9102: 3443 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3444 break; 3445 3446 case TULIP_CHIP_DM9102A: 3447 /* 3448 * XXX Figure out how to actually deal with the HomePNA 3449 * XXX portion of the DM9102A. 3450 */ 3451 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3452 break; 3453 3454 default: 3455 /* Nothing. */ 3456 } 3457 3458 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3459 } 3460 3461 /* 3462 * tlp_21140_reset: 3463 * 3464 * Issue a reset sequence on the 21140 via the GPIO facility. 3465 */ 3466 void 3467 tlp_21140_reset(sc) 3468 struct tulip_softc *sc; 3469 { 3470 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3471 struct tulip_21x4x_media *tm = ife->ifm_aux; 3472 int i; 3473 3474 /* First, set the direction on the GPIO pins. */ 3475 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3476 3477 /* Now, issue the reset sequence. */ 3478 for (i = 0; i < tm->tm_reset_length; i++) { 3479 delay(10); 3480 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3481 } 3482 3483 /* Now, issue the selection sequence. */ 3484 for (i = 0; i < tm->tm_gp_length; i++) { 3485 delay(10); 3486 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3487 } 3488 3489 /* If there were no sequences, just lower the pins. */ 3490 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3491 TULIP_WRITE(sc, CSR_GPP, 0); 3492 } 3493 3494 /* 3495 * tlp_21142_reset: 3496 * 3497 * Issue a reset sequence on the 21142 via the GPIO facility. 3498 */ 3499 void 3500 tlp_21142_reset(sc) 3501 struct tulip_softc *sc; 3502 { 3503 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3504 struct tulip_21x4x_media *tm = ife->ifm_aux; 3505 const u_int8_t *ncp; 3506 int i; 3507 3508 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3509 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3510 delay(10); 3511 TULIP_WRITE(sc, CSR_SIAGEN, 3512 TULIP_ROM_GETW(ncp, 0) << 16); 3513 } 3514 3515 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3516 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3517 delay(10); 3518 TULIP_WRITE(sc, CSR_SIAGEN, 3519 TULIP_ROM_GETW(ncp, 0) << 16); 3520 } 3521 3522 /* If there were no sequences, just lower the pins. */ 3523 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3524 delay(10); 3525 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3526 } 3527 } 3528 3529 /* 3530 * tlp_pmac_reset: 3531 * 3532 * Reset routine for Macronix chips. 3533 */ 3534 void 3535 tlp_pmac_reset(sc) 3536 struct tulip_softc *sc; 3537 { 3538 3539 switch (sc->sc_chip) { 3540 case TULIP_CHIP_82C115: 3541 case TULIP_CHIP_MX98715: 3542 case TULIP_CHIP_MX98715A: 3543 case TULIP_CHIP_MX98725: 3544 /* 3545 * Set the LED operating mode. This information is located 3546 * in the EEPROM at byte offset 0x77, per the MX98715A and 3547 * MX98725 application notes. 3548 */ 3549 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3550 break; 3551 case TULIP_CHIP_MX98715AEC_X: 3552 /* 3553 * Set the LED operating mode. This information is located 3554 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3555 * application note. 3556 */ 3557 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3558 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3559 break; 3560 3561 default: 3562 /* Nothing. */ 3563 } 3564 } 3565 3566 /* 3567 * tlp_dm9102_reset: 3568 * 3569 * Reset routine for the Davicom DM9102. 3570 */ 3571 void 3572 tlp_dm9102_reset(sc) 3573 struct tulip_softc *sc; 3574 { 3575 3576 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3577 delay(100); 3578 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3579 } 3580 3581 /***************************************************************************** 3582 * Chip/board-specific media switches. The ones here are ones that 3583 * are potentially common to multiple front-ends. 3584 *****************************************************************************/ 3585 3586 /* 3587 * This table is a common place for all sorts of media information, 3588 * keyed off of the SROM media code for that media. 3589 * 3590 * Note that we explicitly configure the 21142/21143 to always advertise 3591 * NWay capabilities when using the UTP port. 3592 * XXX Actually, we don't yet. 3593 */ 3594 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3595 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3596 "10baseT", 3597 0, 3598 { SIACONN_21040_10BASET, 3599 SIATXRX_21040_10BASET, 3600 SIAGEN_21040_10BASET }, 3601 3602 { SIACONN_21041_10BASET, 3603 SIATXRX_21041_10BASET, 3604 SIAGEN_21041_10BASET }, 3605 3606 { SIACONN_21142_10BASET, 3607 SIATXRX_21142_10BASET, 3608 SIAGEN_21142_10BASET } }, 3609 3610 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3611 "10base2", 3612 0, 3613 { 0, 3614 0, 3615 0 }, 3616 3617 { SIACONN_21041_BNC, 3618 SIATXRX_21041_BNC, 3619 SIAGEN_21041_BNC }, 3620 3621 { SIACONN_21142_BNC, 3622 SIATXRX_21142_BNC, 3623 SIAGEN_21142_BNC } }, 3624 3625 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3626 "10base5", 3627 0, 3628 { SIACONN_21040_AUI, 3629 SIATXRX_21040_AUI, 3630 SIAGEN_21040_AUI }, 3631 3632 { SIACONN_21041_AUI, 3633 SIATXRX_21041_AUI, 3634 SIAGEN_21041_AUI }, 3635 3636 { SIACONN_21142_AUI, 3637 SIATXRX_21142_AUI, 3638 SIAGEN_21142_AUI } }, 3639 3640 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3641 "100baseTX", 3642 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3643 { 0, 3644 0, 3645 0 }, 3646 3647 { 0, 3648 0, 3649 0 }, 3650 3651 { 0, 3652 0, 3653 SIAGEN_ABM } }, 3654 3655 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3656 "10baseT-FDX", 3657 OPMODE_FD|OPMODE_HBD, 3658 { SIACONN_21040_10BASET_FDX, 3659 SIATXRX_21040_10BASET_FDX, 3660 SIAGEN_21040_10BASET_FDX }, 3661 3662 { SIACONN_21041_10BASET_FDX, 3663 SIATXRX_21041_10BASET_FDX, 3664 SIAGEN_21041_10BASET_FDX }, 3665 3666 { SIACONN_21142_10BASET_FDX, 3667 SIATXRX_21142_10BASET_FDX, 3668 SIAGEN_21142_10BASET_FDX } }, 3669 3670 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3671 "100baseTX-FDX", 3672 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3673 { 0, 3674 0, 3675 0 }, 3676 3677 { 0, 3678 0, 3679 0 }, 3680 3681 { 0, 3682 0, 3683 SIAGEN_ABM } }, 3684 3685 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3686 "100baseT4", 3687 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3688 { 0, 3689 0, 3690 0 }, 3691 3692 { 0, 3693 0, 3694 0 }, 3695 3696 { 0, 3697 0, 3698 SIAGEN_ABM } }, 3699 3700 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3701 "100baseFX", 3702 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3703 { 0, 3704 0, 3705 0 }, 3706 3707 { 0, 3708 0, 3709 0 }, 3710 3711 { 0, 3712 0, 3713 SIAGEN_ABM } }, 3714 3715 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3716 "100baseFX-FDX", 3717 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3718 { 0, 3719 0, 3720 0 }, 3721 3722 { 0, 3723 0, 3724 0 }, 3725 3726 { 0, 3727 0, 3728 SIAGEN_ABM } }, 3729 3730 { 0, 0, 0, 3731 NULL, 3732 0, 3733 { 0, 3734 0, 3735 0 }, 3736 3737 { 0, 3738 0, 3739 0 }, 3740 3741 { 0, 3742 0, 3743 0 } }, 3744 }; 3745 3746 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3747 void tlp_srom_media_info __P((struct tulip_softc *, 3748 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3749 void tlp_add_srom_media __P((struct tulip_softc *, int, 3750 void (*)(struct tulip_softc *, struct ifmediareq *), 3751 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3752 void tlp_print_media __P((struct tulip_softc *)); 3753 void tlp_nway_activate __P((struct tulip_softc *, int)); 3754 void tlp_get_minst __P((struct tulip_softc *)); 3755 3756 const struct tulip_srom_to_ifmedia * 3757 tlp_srom_to_ifmedia(sm) 3758 u_int8_t sm; 3759 { 3760 const struct tulip_srom_to_ifmedia *tsti; 3761 3762 for (tsti = tulip_srom_to_ifmedia_table; 3763 tsti->tsti_name != NULL; tsti++) { 3764 if (tsti->tsti_srom == sm) 3765 return (tsti); 3766 } 3767 3768 return (NULL); 3769 } 3770 3771 void 3772 tlp_srom_media_info(sc, tsti, tm) 3773 struct tulip_softc *sc; 3774 const struct tulip_srom_to_ifmedia *tsti; 3775 struct tulip_21x4x_media *tm; 3776 { 3777 3778 tm->tm_name = tsti->tsti_name; 3779 tm->tm_opmode = tsti->tsti_opmode; 3780 3781 switch (sc->sc_chip) { 3782 case TULIP_CHIP_DE425: 3783 case TULIP_CHIP_21040: 3784 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3785 break; 3786 3787 case TULIP_CHIP_21041: 3788 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3789 break; 3790 3791 case TULIP_CHIP_21142: 3792 case TULIP_CHIP_21143: 3793 case TULIP_CHIP_82C115: 3794 case TULIP_CHIP_MX98715: 3795 case TULIP_CHIP_MX98715A: 3796 case TULIP_CHIP_MX98715AEC_X: 3797 case TULIP_CHIP_MX98725: 3798 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3799 break; 3800 3801 default: 3802 /* Nothing. */ 3803 } 3804 } 3805 3806 void 3807 tlp_add_srom_media(sc, type, get, set, list, cnt) 3808 struct tulip_softc *sc; 3809 int type; 3810 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3811 int (*set) __P((struct tulip_softc *)); 3812 const u_int8_t *list; 3813 int cnt; 3814 { 3815 struct tulip_21x4x_media *tm; 3816 const struct tulip_srom_to_ifmedia *tsti; 3817 int i; 3818 3819 for (i = 0; i < cnt; i++) { 3820 tsti = tlp_srom_to_ifmedia(list[i]); 3821 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3822 memset(tm, 0, sizeof(*tm)); 3823 tlp_srom_media_info(sc, tsti, tm); 3824 tm->tm_type = type; 3825 tm->tm_get = get; 3826 tm->tm_set = set; 3827 3828 ifmedia_add(&sc->sc_mii.mii_media, 3829 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3830 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3831 } 3832 } 3833 3834 void 3835 tlp_print_media(sc) 3836 struct tulip_softc *sc; 3837 { 3838 struct ifmedia_entry *ife; 3839 struct tulip_21x4x_media *tm; 3840 const char *sep = ""; 3841 3842 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3843 3844 printf("%s: ", sc->sc_dev.dv_xname); 3845 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3846 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3847 tm = ife->ifm_aux; 3848 if (tm == NULL) { 3849 #ifdef DIAGNOSTIC 3850 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3851 panic("tlp_print_media"); 3852 #endif 3853 PRINT("auto"); 3854 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3855 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3856 PRINT(tm->tm_name); 3857 } 3858 } 3859 printf("\n"); 3860 3861 #undef PRINT 3862 } 3863 3864 void 3865 tlp_nway_activate(sc, media) 3866 struct tulip_softc *sc; 3867 int media; 3868 { 3869 struct ifmedia_entry *ife; 3870 3871 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3872 #ifdef DIAGNOSTIC 3873 if (ife == NULL) 3874 panic("tlp_nway_activate"); 3875 #endif 3876 sc->sc_nway_active = ife; 3877 } 3878 3879 void 3880 tlp_get_minst(sc) 3881 struct tulip_softc *sc; 3882 { 3883 3884 if ((sc->sc_media_seen & 3885 ~((1 << TULIP_ROM_MB_21140_MII) | 3886 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3887 /* 3888 * We have not yet seen any SIA/SYM media (but are 3889 * about to; that's why we're called!), so assign 3890 * the current media instance to be the `internal media' 3891 * instance, and advance it so any MII media gets a 3892 * fresh one (used to selecting/isolating a PHY). 3893 */ 3894 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3895 } 3896 } 3897 3898 /* 3899 * SIA Utility functions. 3900 */ 3901 void tlp_sia_update_link __P((struct tulip_softc *)); 3902 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3903 int tlp_sia_set __P((struct tulip_softc *)); 3904 void tlp_sia_fixup __P((struct tulip_softc *)); 3905 3906 void 3907 tlp_sia_update_link(sc) 3908 struct tulip_softc *sc; 3909 { 3910 struct ifmedia_entry *ife; 3911 struct tulip_21x4x_media *tm; 3912 u_int32_t siastat; 3913 3914 ife = TULIP_CURRENT_MEDIA(sc); 3915 tm = ife->ifm_aux; 3916 3917 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3918 3919 siastat = TULIP_READ(sc, CSR_SIASTAT); 3920 3921 /* 3922 * Note that when we do SIA link tests, we are assuming that 3923 * the chip is really in the mode that the current media setting 3924 * reflects. If we're not, then the link tests will not be 3925 * accurate! 3926 */ 3927 switch (IFM_SUBTYPE(ife->ifm_media)) { 3928 case IFM_10_T: 3929 sc->sc_flags |= TULIPF_LINK_VALID; 3930 if ((siastat & SIASTAT_LS10) == 0) 3931 sc->sc_flags |= TULIPF_LINK_UP; 3932 break; 3933 3934 case IFM_100_TX: 3935 case IFM_100_T4: 3936 sc->sc_flags |= TULIPF_LINK_VALID; 3937 if ((siastat & SIASTAT_LS100) == 0) 3938 sc->sc_flags |= TULIPF_LINK_UP; 3939 break; 3940 } 3941 3942 switch (sc->sc_chip) { 3943 case TULIP_CHIP_21142: 3944 case TULIP_CHIP_21143: 3945 /* 3946 * On these chips, we can tell more information about 3947 * AUI/BNC. Note that the AUI/BNC selection is made 3948 * in a different register; for our purpose, it's all 3949 * AUI. 3950 */ 3951 switch (IFM_SUBTYPE(ife->ifm_media)) { 3952 case IFM_10_2: 3953 case IFM_10_5: 3954 sc->sc_flags |= TULIPF_LINK_VALID; 3955 if (siastat & SIASTAT_ARA) { 3956 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3957 sc->sc_flags |= TULIPF_LINK_UP; 3958 } 3959 break; 3960 3961 default: 3962 /* 3963 * If we're SYM media and can detect the link 3964 * via the GPIO facility, prefer that status 3965 * over LS100. 3966 */ 3967 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3968 tm->tm_actmask != 0) { 3969 sc->sc_flags = (sc->sc_flags & 3970 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 3971 if (TULIP_ISSET(sc, CSR_SIAGEN, 3972 tm->tm_actmask) == tm->tm_actdata) 3973 sc->sc_flags |= TULIPF_LINK_UP; 3974 } 3975 } 3976 break; 3977 3978 default: 3979 /* Nothing. */ 3980 } 3981 } 3982 3983 void 3984 tlp_sia_get(sc, ifmr) 3985 struct tulip_softc *sc; 3986 struct ifmediareq *ifmr; 3987 { 3988 struct ifmedia_entry *ife; 3989 3990 ifmr->ifm_status = 0; 3991 3992 tlp_sia_update_link(sc); 3993 3994 ife = TULIP_CURRENT_MEDIA(sc); 3995 3996 if (sc->sc_flags & TULIPF_LINK_VALID) 3997 ifmr->ifm_status |= IFM_AVALID; 3998 if (sc->sc_flags & TULIPF_LINK_UP) 3999 ifmr->ifm_status |= IFM_ACTIVE; 4000 ifmr->ifm_active = ife->ifm_media; 4001 } 4002 4003 void 4004 tlp_sia_fixup(sc) 4005 struct tulip_softc *sc; 4006 { 4007 struct ifmedia_entry *ife; 4008 struct tulip_21x4x_media *tm; 4009 u_int32_t siaconn, siatxrx, siagen; 4010 4011 switch (sc->sc_chip) { 4012 case TULIP_CHIP_82C115: 4013 case TULIP_CHIP_MX98713A: 4014 case TULIP_CHIP_MX98715: 4015 case TULIP_CHIP_MX98715A: 4016 case TULIP_CHIP_MX98715AEC_X: 4017 case TULIP_CHIP_MX98725: 4018 siaconn = PMAC_SIACONN_MASK; 4019 siatxrx = PMAC_SIATXRX_MASK; 4020 siagen = PMAC_SIAGEN_MASK; 4021 break; 4022 4023 default: 4024 /* No fixups required on any other chips. */ 4025 return; 4026 } 4027 4028 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4029 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4030 tm = ife->ifm_aux; 4031 if (tm == NULL) 4032 continue; 4033 4034 tm->tm_siaconn &= siaconn; 4035 tm->tm_siatxrx &= siatxrx; 4036 tm->tm_siagen &= siagen; 4037 } 4038 } 4039 4040 int 4041 tlp_sia_set(sc) 4042 struct tulip_softc *sc; 4043 { 4044 struct ifmedia_entry *ife; 4045 struct tulip_21x4x_media *tm; 4046 4047 ife = TULIP_CURRENT_MEDIA(sc); 4048 tm = ife->ifm_aux; 4049 4050 /* 4051 * XXX This appears to be necessary on a bunch of the clone chips. 4052 */ 4053 delay(20000); 4054 4055 /* 4056 * Idle the chip. 4057 */ 4058 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4059 4060 /* 4061 * Program the SIA. It's important to write in this order, 4062 * resetting the SIA first. 4063 */ 4064 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4065 delay(1000); 4066 4067 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4068 4069 switch (sc->sc_chip) { 4070 case TULIP_CHIP_21142: 4071 case TULIP_CHIP_21143: 4072 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4073 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4074 break; 4075 default: 4076 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4077 } 4078 4079 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4080 4081 /* 4082 * Set the OPMODE bits for this media and write OPMODE. 4083 * This will resume the transmit and receive processes. 4084 */ 4085 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4086 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4087 4088 return (0); 4089 } 4090 4091 /* 4092 * 21140 GPIO utility functions. 4093 */ 4094 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4095 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4096 struct ifmediareq *ifmr)); 4097 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4098 4099 void 4100 tlp_21140_gpio_update_link(sc) 4101 struct tulip_softc *sc; 4102 { 4103 struct ifmedia_entry *ife; 4104 struct tulip_21x4x_media *tm; 4105 4106 ife = TULIP_CURRENT_MEDIA(sc); 4107 tm = ife->ifm_aux; 4108 4109 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4110 4111 if (tm->tm_actmask != 0) { 4112 sc->sc_flags |= TULIPF_LINK_VALID; 4113 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4114 tm->tm_actdata) 4115 sc->sc_flags |= TULIPF_LINK_UP; 4116 } 4117 } 4118 4119 void 4120 tlp_21140_gpio_get(sc, ifmr) 4121 struct tulip_softc *sc; 4122 struct ifmediareq *ifmr; 4123 { 4124 struct ifmedia_entry *ife; 4125 4126 ifmr->ifm_status = 0; 4127 4128 tlp_21140_gpio_update_link(sc); 4129 4130 ife = TULIP_CURRENT_MEDIA(sc); 4131 4132 if (sc->sc_flags & TULIPF_LINK_VALID) 4133 ifmr->ifm_status |= IFM_AVALID; 4134 if (sc->sc_flags & TULIPF_LINK_UP) 4135 ifmr->ifm_status |= IFM_ACTIVE; 4136 ifmr->ifm_active = ife->ifm_media; 4137 } 4138 4139 int 4140 tlp_21140_gpio_set(sc) 4141 struct tulip_softc *sc; 4142 { 4143 struct ifmedia_entry *ife; 4144 struct tulip_21x4x_media *tm; 4145 4146 ife = TULIP_CURRENT_MEDIA(sc); 4147 tm = ife->ifm_aux; 4148 4149 /* 4150 * Idle the chip. 4151 */ 4152 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4153 4154 /* 4155 * Set the GPIO pins for this media, to flip any 4156 * relays, etc. 4157 */ 4158 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4159 delay(10); 4160 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4161 4162 /* 4163 * Set the OPMODE bits for this media and write OPMODE. 4164 * This will resume the transmit and receive processes. 4165 */ 4166 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4167 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4168 4169 return (0); 4170 } 4171 4172 /* 4173 * 21040 and 21041 media switches. 4174 */ 4175 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4176 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4177 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4178 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4179 4180 const struct tulip_mediasw tlp_21040_mediasw = { 4181 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4182 }; 4183 4184 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4185 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4186 }; 4187 4188 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4189 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4190 }; 4191 4192 const struct tulip_mediasw tlp_21041_mediasw = { 4193 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4194 }; 4195 4196 4197 void 4198 tlp_21040_tmsw_init(sc) 4199 struct tulip_softc *sc; 4200 { 4201 static const u_int8_t media[] = { 4202 TULIP_ROM_MB_MEDIA_TP, 4203 TULIP_ROM_MB_MEDIA_TP_FDX, 4204 TULIP_ROM_MB_MEDIA_AUI, 4205 }; 4206 struct tulip_21x4x_media *tm; 4207 4208 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4209 tlp_mediastatus); 4210 4211 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4212 4213 /* 4214 * No SROM type for External SIA. 4215 */ 4216 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4217 memset(tm, 0, sizeof(*tm)); 4218 tm->tm_name = "manual"; 4219 tm->tm_opmode = 0; 4220 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4221 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4222 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4223 ifmedia_add(&sc->sc_mii.mii_media, 4224 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4225 4226 /* 4227 * XXX Autosense not yet supported. 4228 */ 4229 4230 /* XXX This should be auto-sense. */ 4231 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4232 4233 tlp_print_media(sc); 4234 } 4235 4236 void 4237 tlp_21040_tp_tmsw_init(sc) 4238 struct tulip_softc *sc; 4239 { 4240 static const u_int8_t media[] = { 4241 TULIP_ROM_MB_MEDIA_TP, 4242 TULIP_ROM_MB_MEDIA_TP_FDX, 4243 }; 4244 4245 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4246 tlp_mediastatus); 4247 4248 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4249 4250 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4251 4252 tlp_print_media(sc); 4253 } 4254 4255 void 4256 tlp_21040_auibnc_tmsw_init(sc) 4257 struct tulip_softc *sc; 4258 { 4259 static const u_int8_t media[] = { 4260 TULIP_ROM_MB_MEDIA_AUI, 4261 }; 4262 4263 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4264 tlp_mediastatus); 4265 4266 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4267 4268 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4269 4270 tlp_print_media(sc); 4271 } 4272 4273 void 4274 tlp_21041_tmsw_init(sc) 4275 struct tulip_softc *sc; 4276 { 4277 static const u_int8_t media[] = { 4278 TULIP_ROM_MB_MEDIA_TP, 4279 TULIP_ROM_MB_MEDIA_TP_FDX, 4280 TULIP_ROM_MB_MEDIA_BNC, 4281 TULIP_ROM_MB_MEDIA_AUI, 4282 }; 4283 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4284 const struct tulip_srom_to_ifmedia *tsti; 4285 struct tulip_21x4x_media *tm; 4286 u_int16_t romdef; 4287 u_int8_t mb; 4288 4289 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4290 tlp_mediastatus); 4291 4292 if (tlp_isv_srom(sc->sc_srom) == 0) { 4293 not_isv_srom: 4294 /* 4295 * If we have a board without the standard 21041 SROM format, 4296 * we just assume all media are present and try and pick a 4297 * reasonable default. 4298 */ 4299 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4300 4301 /* 4302 * XXX Autosense not yet supported. 4303 */ 4304 4305 /* XXX This should be auto-sense. */ 4306 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4307 4308 tlp_print_media(sc); 4309 return; 4310 } 4311 4312 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4313 for (i = 0; i < devcnt; i++) { 4314 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4315 break; 4316 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4317 sc->sc_devno) 4318 break; 4319 } 4320 4321 if (i == devcnt) 4322 goto not_isv_srom; 4323 4324 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4325 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4326 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4327 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4328 4329 for (; m_cnt != 0; 4330 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4331 mb = sc->sc_srom[mb_offset]; 4332 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4333 memset(tm, 0, sizeof(*tm)); 4334 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4335 case TULIP_ROM_MB_MEDIA_TP_FDX: 4336 case TULIP_ROM_MB_MEDIA_TP: 4337 case TULIP_ROM_MB_MEDIA_BNC: 4338 case TULIP_ROM_MB_MEDIA_AUI: 4339 tsti = tlp_srom_to_ifmedia(mb & 4340 TULIP_ROM_MB_MEDIA_CODE); 4341 4342 tlp_srom_media_info(sc, tsti, tm); 4343 4344 /* 4345 * Override our default SIA settings if the 4346 * SROM contains its own. 4347 */ 4348 if (mb & TULIP_ROM_MB_EXT) { 4349 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4350 mb_offset + TULIP_ROM_MB_CSR13); 4351 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4352 mb_offset + TULIP_ROM_MB_CSR14); 4353 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4354 mb_offset + TULIP_ROM_MB_CSR15); 4355 } 4356 4357 ifmedia_add(&sc->sc_mii.mii_media, 4358 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4359 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4360 break; 4361 4362 default: 4363 printf("%s: unknown media code 0x%02x\n", 4364 sc->sc_dev.dv_xname, 4365 mb & TULIP_ROM_MB_MEDIA_CODE); 4366 free(tm, M_DEVBUF); 4367 } 4368 } 4369 4370 /* 4371 * XXX Autosense not yet supported. 4372 */ 4373 4374 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4375 TULIP_ROM_IL_SELECT_CONN_TYPE); 4376 switch (romdef) { 4377 case SELECT_CONN_TYPE_TP: 4378 case SELECT_CONN_TYPE_TP_AUTONEG: 4379 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4380 defmedia = IFM_ETHER|IFM_10_T; 4381 break; 4382 4383 case SELECT_CONN_TYPE_TP_FDX: 4384 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4385 break; 4386 4387 case SELECT_CONN_TYPE_BNC: 4388 defmedia = IFM_ETHER|IFM_10_2; 4389 break; 4390 4391 case SELECT_CONN_TYPE_AUI: 4392 defmedia = IFM_ETHER|IFM_10_5; 4393 break; 4394 #if 0 /* XXX */ 4395 case SELECT_CONN_TYPE_ASENSE: 4396 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4397 defmedia = IFM_ETHER|IFM_AUTO; 4398 break; 4399 #endif 4400 default: 4401 defmedia = 0; 4402 } 4403 4404 if (defmedia == 0) { 4405 /* 4406 * XXX We should default to auto-sense. 4407 */ 4408 defmedia = IFM_ETHER|IFM_10_T; 4409 } 4410 4411 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4412 4413 tlp_print_media(sc); 4414 } 4415 4416 /* 4417 * DECchip 2114x ISV media switch. 4418 */ 4419 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4420 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4421 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4422 4423 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4424 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4425 }; 4426 4427 void 4428 tlp_2114x_isv_tmsw_init(sc) 4429 struct tulip_softc *sc; 4430 { 4431 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4432 struct ifmedia_entry *ife; 4433 struct mii_softc *phy; 4434 struct tulip_21x4x_media *tm; 4435 const struct tulip_srom_to_ifmedia *tsti; 4436 int i, devcnt, leaf_offset, m_cnt, type, length; 4437 int defmedia, miidef; 4438 u_int16_t word; 4439 u_int8_t *cp, *ncp; 4440 4441 defmedia = miidef = 0; 4442 4443 sc->sc_mii.mii_ifp = ifp; 4444 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4445 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4446 sc->sc_mii.mii_statchg = sc->sc_statchg; 4447 4448 /* 4449 * Ignore `instance'; we may get a mixture of SIA and MII 4450 * media, and `instance' is used to isolate or select the 4451 * PHY on the MII as appropriate. Note that duplicate media 4452 * are disallowed, so ignoring `instance' is safe. 4453 */ 4454 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4455 tlp_mediastatus); 4456 4457 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4458 for (i = 0; i < devcnt; i++) { 4459 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4460 break; 4461 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4462 sc->sc_devno) 4463 break; 4464 } 4465 4466 if (i == devcnt) { 4467 printf("%s: unable to locate info leaf in SROM\n", 4468 sc->sc_dev.dv_xname); 4469 return; 4470 } 4471 4472 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4473 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4474 4475 /* XXX SELECT CONN TYPE */ 4476 4477 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4478 4479 /* 4480 * On some chips, the first thing in the Info Leaf is the 4481 * GPIO pin direction data. 4482 */ 4483 switch (sc->sc_chip) { 4484 case TULIP_CHIP_21140: 4485 case TULIP_CHIP_21140A: 4486 case TULIP_CHIP_MX98713: 4487 case TULIP_CHIP_AX88140: 4488 case TULIP_CHIP_AX88141: 4489 sc->sc_gp_dir = *cp++; 4490 break; 4491 4492 default: 4493 /* Nothing. */ 4494 } 4495 4496 /* Get the media count. */ 4497 m_cnt = *cp++; 4498 4499 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4500 /* 4501 * Determine the type and length of this media block. 4502 */ 4503 if ((*cp & 0x80) == 0) { 4504 length = 4; 4505 type = TULIP_ROM_MB_21140_GPR; 4506 } else { 4507 length = (*cp++ & 0x7f) - 1; 4508 type = *cp++ & 0x3f; 4509 } 4510 4511 /* Compute the start of the next block. */ 4512 ncp = cp + length; 4513 4514 /* Now, parse the block. */ 4515 switch (type) { 4516 case TULIP_ROM_MB_21140_GPR: 4517 tlp_get_minst(sc); 4518 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4519 4520 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4521 memset(tm, 0, sizeof(*tm)); 4522 4523 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4524 tm->tm_get = tlp_21140_gpio_get; 4525 tm->tm_set = tlp_21140_gpio_set; 4526 4527 /* First is the media type code. */ 4528 tsti = tlp_srom_to_ifmedia(cp[0] & 4529 TULIP_ROM_MB_MEDIA_CODE); 4530 if (tsti == NULL) { 4531 /* Invalid media code. */ 4532 free(tm, M_DEVBUF); 4533 break; 4534 } 4535 4536 /* Get defaults. */ 4537 tlp_srom_media_info(sc, tsti, tm); 4538 4539 /* Next is any GPIO info for this media. */ 4540 tm->tm_gpdata = cp[1]; 4541 4542 /* 4543 * Next is a word containing OPMODE information 4544 * and info on how to detect if this media is 4545 * active. 4546 */ 4547 word = TULIP_ROM_GETW(cp, 2); 4548 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4549 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4550 tm->tm_actmask = 4551 TULIP_ROM_MB_BITPOS(word); 4552 tm->tm_actdata = 4553 (word & TULIP_ROM_MB_POLARITY) ? 4554 0 : tm->tm_actmask; 4555 } 4556 4557 ifmedia_add(&sc->sc_mii.mii_media, 4558 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4559 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4560 break; 4561 4562 case TULIP_ROM_MB_21140_MII: 4563 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4564 4565 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4566 memset(tm, 0, sizeof(*tm)); 4567 4568 tm->tm_type = TULIP_ROM_MB_21140_MII; 4569 tm->tm_get = tlp_mii_getmedia; 4570 tm->tm_set = tlp_mii_setmedia; 4571 tm->tm_opmode = OPMODE_PS; 4572 4573 if (sc->sc_reset == NULL) 4574 sc->sc_reset = tlp_21140_reset; 4575 4576 /* First is the PHY number. */ 4577 tm->tm_phyno = *cp++; 4578 4579 /* Next is the MII select sequence length and offset. */ 4580 tm->tm_gp_length = *cp++; 4581 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4582 cp += tm->tm_gp_length; 4583 4584 /* Next is the MII reset sequence length and offset. */ 4585 tm->tm_reset_length = *cp++; 4586 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4587 cp += tm->tm_reset_length; 4588 4589 /* 4590 * The following items are left in the media block 4591 * that we don't particularly care about: 4592 * 4593 * capabilities W 4594 * advertisement W 4595 * full duplex W 4596 * tx threshold W 4597 * 4598 * These appear to be bits in the PHY registers, 4599 * which our MII code handles on its own. 4600 */ 4601 4602 /* 4603 * Before we probe the MII bus, we need to reset 4604 * it and issue the selection sequence. 4605 */ 4606 4607 /* Set the direction of the pins... */ 4608 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4609 4610 for (i = 0; i < tm->tm_reset_length; i++) { 4611 delay(10); 4612 TULIP_WRITE(sc, CSR_GPP, 4613 sc->sc_srom[tm->tm_reset_offset + i]); 4614 } 4615 4616 for (i = 0; i < tm->tm_gp_length; i++) { 4617 delay(10); 4618 TULIP_WRITE(sc, CSR_GPP, 4619 sc->sc_srom[tm->tm_gp_offset + i]); 4620 } 4621 4622 /* If there were no sequences, just lower the pins. */ 4623 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4624 delay(10); 4625 TULIP_WRITE(sc, CSR_GPP, 0); 4626 } 4627 4628 /* 4629 * Now, probe the MII for the PHY. Note, we know 4630 * the location of the PHY on the bus, but we don't 4631 * particularly care; the MII code just likes to 4632 * search the whole thing anyhow. 4633 */ 4634 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4635 MII_PHY_ANY, tm->tm_phyno, 0); 4636 4637 /* 4638 * Now, search for the PHY we hopefully just 4639 * configured. If it's not configured into the 4640 * kernel, we lose. The PHY's default media always 4641 * takes priority. 4642 */ 4643 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4644 phy != NULL; 4645 phy = LIST_NEXT(phy, mii_list)) 4646 if (phy->mii_offset == tm->tm_phyno) 4647 break; 4648 if (phy == NULL) { 4649 printf("%s: unable to configure MII\n", 4650 sc->sc_dev.dv_xname); 4651 break; 4652 } 4653 4654 sc->sc_flags |= TULIPF_HAS_MII; 4655 sc->sc_tick = tlp_mii_tick; 4656 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4657 phy->mii_inst); 4658 4659 /* 4660 * Okay, now that we've found the PHY and the MII 4661 * layer has added all of the media associated 4662 * with that PHY, we need to traverse the media 4663 * list, and add our `tm' to each entry's `aux' 4664 * pointer. 4665 * 4666 * We do this by looking for media with our 4667 * PHY's `instance'. 4668 */ 4669 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4670 ife != NULL; 4671 ife = TAILQ_NEXT(ife, ifm_list)) { 4672 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4673 continue; 4674 ife->ifm_aux = tm; 4675 } 4676 break; 4677 4678 case TULIP_ROM_MB_21142_SIA: 4679 tlp_get_minst(sc); 4680 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4681 4682 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4683 memset(tm, 0, sizeof(*tm)); 4684 4685 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4686 tm->tm_get = tlp_sia_get; 4687 tm->tm_set = tlp_sia_set; 4688 4689 /* First is the media type code. */ 4690 tsti = tlp_srom_to_ifmedia(cp[0] & 4691 TULIP_ROM_MB_MEDIA_CODE); 4692 if (tsti == NULL) { 4693 /* Invalid media code. */ 4694 free(tm, M_DEVBUF); 4695 break; 4696 } 4697 4698 /* Get defaults. */ 4699 tlp_srom_media_info(sc, tsti, tm); 4700 4701 /* 4702 * Override our default SIA settings if the 4703 * SROM contains its own. 4704 */ 4705 if (cp[0] & 0x40) { 4706 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4707 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4708 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4709 cp += 7; 4710 } else 4711 cp++; 4712 4713 /* Next is GPIO control/data. */ 4714 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4715 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4716 4717 ifmedia_add(&sc->sc_mii.mii_media, 4718 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4719 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4720 break; 4721 4722 case TULIP_ROM_MB_21142_MII: 4723 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4724 4725 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4726 memset(tm, 0, sizeof(*tm)); 4727 4728 tm->tm_type = TULIP_ROM_MB_21142_MII; 4729 tm->tm_get = tlp_mii_getmedia; 4730 tm->tm_set = tlp_mii_setmedia; 4731 tm->tm_opmode = OPMODE_PS; 4732 4733 if (sc->sc_reset == NULL) 4734 sc->sc_reset = tlp_21142_reset; 4735 4736 /* First is the PHY number. */ 4737 tm->tm_phyno = *cp++; 4738 4739 /* Next is the MII select sequence length and offset. */ 4740 tm->tm_gp_length = *cp++; 4741 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4742 cp += tm->tm_gp_length * 2; 4743 4744 /* Next is the MII reset sequence length and offset. */ 4745 tm->tm_reset_length = *cp++; 4746 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4747 cp += tm->tm_reset_length * 2; 4748 4749 /* 4750 * The following items are left in the media block 4751 * that we don't particularly care about: 4752 * 4753 * capabilities W 4754 * advertisement W 4755 * full duplex W 4756 * tx threshold W 4757 * MII interrupt W 4758 * 4759 * These appear to be bits in the PHY registers, 4760 * which our MII code handles on its own. 4761 */ 4762 4763 /* 4764 * Before we probe the MII bus, we need to reset 4765 * it and issue the selection sequence. 4766 */ 4767 4768 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4769 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4770 delay(10); 4771 TULIP_WRITE(sc, CSR_SIAGEN, 4772 TULIP_ROM_GETW(ncp, 0) << 16); 4773 } 4774 4775 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4776 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4777 delay(10); 4778 TULIP_WRITE(sc, CSR_SIAGEN, 4779 TULIP_ROM_GETW(ncp, 0) << 16); 4780 } 4781 4782 /* If there were no sequences, just lower the pins. */ 4783 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4784 delay(10); 4785 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4786 } 4787 4788 /* 4789 * Now, probe the MII for the PHY. Note, we know 4790 * the location of the PHY on the bus, but we don't 4791 * particularly care; the MII code just likes to 4792 * search the whole thing anyhow. 4793 */ 4794 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4795 MII_PHY_ANY, tm->tm_phyno, 0); 4796 4797 /* 4798 * Now, search for the PHY we hopefully just 4799 * configured. If it's not configured into the 4800 * kernel, we lose. The PHY's default media always 4801 * takes priority. 4802 */ 4803 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4804 phy != NULL; 4805 phy = LIST_NEXT(phy, mii_list)) 4806 if (phy->mii_offset == tm->tm_phyno) 4807 break; 4808 if (phy == NULL) { 4809 printf("%s: unable to configure MII\n", 4810 sc->sc_dev.dv_xname); 4811 break; 4812 } 4813 4814 sc->sc_flags |= TULIPF_HAS_MII; 4815 sc->sc_tick = tlp_mii_tick; 4816 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4817 phy->mii_inst); 4818 4819 /* 4820 * Okay, now that we've found the PHY and the MII 4821 * layer has added all of the media associated 4822 * with that PHY, we need to traverse the media 4823 * list, and add our `tm' to each entry's `aux' 4824 * pointer. 4825 * 4826 * We do this by looking for media with our 4827 * PHY's `instance'. 4828 */ 4829 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4830 ife != NULL; 4831 ife = TAILQ_NEXT(ife, ifm_list)) { 4832 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4833 continue; 4834 ife->ifm_aux = tm; 4835 } 4836 break; 4837 4838 case TULIP_ROM_MB_21143_SYM: 4839 tlp_get_minst(sc); 4840 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4841 4842 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4843 memset(tm, 0, sizeof(*tm)); 4844 4845 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4846 tm->tm_get = tlp_sia_get; 4847 tm->tm_set = tlp_sia_set; 4848 4849 /* First is the media type code. */ 4850 tsti = tlp_srom_to_ifmedia(cp[0] & 4851 TULIP_ROM_MB_MEDIA_CODE); 4852 if (tsti == NULL) { 4853 /* Invalid media code. */ 4854 free(tm, M_DEVBUF); 4855 break; 4856 } 4857 4858 /* Get defaults. */ 4859 tlp_srom_media_info(sc, tsti, tm); 4860 4861 /* Next is GPIO control/data. */ 4862 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4863 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4864 4865 /* 4866 * Next is a word containing OPMODE information 4867 * and info on how to detect if this media is 4868 * active. 4869 */ 4870 word = TULIP_ROM_GETW(cp, 5); 4871 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4872 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4873 tm->tm_actmask = 4874 TULIP_ROM_MB_BITPOS(word); 4875 tm->tm_actdata = 4876 (word & TULIP_ROM_MB_POLARITY) ? 4877 0 : tm->tm_actmask; 4878 } 4879 4880 ifmedia_add(&sc->sc_mii.mii_media, 4881 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4882 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4883 break; 4884 4885 case TULIP_ROM_MB_21143_RESET: 4886 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4887 break; 4888 4889 default: 4890 printf("%s: unknown ISV media block type 0x%02x\n", 4891 sc->sc_dev.dv_xname, type); 4892 } 4893 } 4894 4895 /* 4896 * Deal with the case where no media is configured. 4897 */ 4898 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4899 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4900 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4901 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4902 return; 4903 } 4904 4905 /* 4906 * Pick the default media. 4907 */ 4908 if (miidef != 0) 4909 defmedia = miidef; 4910 else { 4911 /* 4912 * XXX Pick a better default. Should come from SROM 4913 * XXX on 21140[A], and should be "auto" on 21142, 4914 * XXX 21143, and Macronix chips. 4915 */ 4916 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4917 } 4918 4919 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4920 4921 /* 4922 * Display any non-MII media we've located. 4923 */ 4924 if (sc->sc_media_seen & 4925 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4926 tlp_print_media(sc); 4927 4928 tlp_sia_fixup(sc); 4929 } 4930 4931 void 4932 tlp_2114x_isv_tmsw_get(sc, ifmr) 4933 struct tulip_softc *sc; 4934 struct ifmediareq *ifmr; 4935 { 4936 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4937 struct tulip_21x4x_media *tm = ife->ifm_aux; 4938 4939 /* 4940 * We might be polling a non-MII autosense; check for that. 4941 */ 4942 if (tm == NULL) { 4943 #ifdef DIAGNOSTIC 4944 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4945 panic("tlp_2114x_isv_tmsw_get"); 4946 #endif 4947 tm = sc->sc_nway_active->ifm_aux; 4948 } 4949 4950 (*tm->tm_get)(sc, ifmr); 4951 } 4952 4953 int 4954 tlp_2114x_isv_tmsw_set(sc) 4955 struct tulip_softc *sc; 4956 { 4957 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4958 struct tulip_21x4x_media *tm = ife->ifm_aux; 4959 4960 /* 4961 * We might be setting a non-MII autosense; check for that. 4962 */ 4963 if (tm == NULL) { 4964 #ifdef DIAGNOSTIC 4965 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4966 panic("tlp_2114x_isv_tmsw_set"); 4967 #endif 4968 /* XXX XXX XXX */ 4969 } 4970 4971 /* 4972 * Check to see if we need to reset the chip, and do it. The 4973 * reset path will get the OPMODE register right the next 4974 * time through. 4975 */ 4976 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 4977 return (tlp_init(&sc->sc_ethercom.ec_if)); 4978 4979 return ((*tm->tm_set)(sc)); 4980 } 4981 4982 /* 4983 * MII-on-SIO media switch. Handles only MII attached to the SIO. 4984 */ 4985 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 4986 4987 const struct tulip_mediasw tlp_sio_mii_mediasw = { 4988 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 4989 }; 4990 4991 void 4992 tlp_sio_mii_tmsw_init(sc) 4993 struct tulip_softc *sc; 4994 { 4995 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4996 4997 /* 4998 * We don't attach any media info structures to the ifmedia 4999 * entries, so if we're using a pre-init function that needs 5000 * that info, override it to one that doesn't. 5001 */ 5002 if (sc->sc_preinit == tlp_2114x_preinit) 5003 sc->sc_preinit = tlp_2114x_mii_preinit; 5004 5005 sc->sc_mii.mii_ifp = ifp; 5006 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5007 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5008 sc->sc_mii.mii_statchg = sc->sc_statchg; 5009 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5010 tlp_mediastatus); 5011 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5012 MII_OFFSET_ANY, 0); 5013 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5014 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5015 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5016 } else { 5017 sc->sc_flags |= TULIPF_HAS_MII; 5018 sc->sc_tick = tlp_mii_tick; 5019 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5020 } 5021 } 5022 5023 /* 5024 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5025 */ 5026 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5027 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5028 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5029 5030 const struct tulip_mediasw tlp_pnic_mediasw = { 5031 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5032 }; 5033 5034 void tlp_pnic_nway_statchg __P((struct device *)); 5035 void tlp_pnic_nway_tick __P((void *)); 5036 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5037 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5038 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5039 void tlp_pnic_nway_auto_timeout __P((void *)); 5040 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5041 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5042 5043 void 5044 tlp_pnic_tmsw_init(sc) 5045 struct tulip_softc *sc; 5046 { 5047 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5048 const char *sep = ""; 5049 5050 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5051 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5052 5053 sc->sc_mii.mii_ifp = ifp; 5054 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5055 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5056 sc->sc_mii.mii_statchg = sc->sc_statchg; 5057 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5058 tlp_mediastatus); 5059 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5060 MII_OFFSET_ANY, 0); 5061 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5062 /* XXX What about AUI/BNC support? */ 5063 printf("%s: ", sc->sc_dev.dv_xname); 5064 5065 tlp_pnic_nway_reset(sc); 5066 5067 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5068 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5069 PRINT("10baseT"); 5070 5071 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5072 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5073 PRINT("10baseT-FDX"); 5074 5075 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5076 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5077 PRINT("100baseTX"); 5078 5079 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5080 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5081 PNIC_NWAY_CAP100TXFDX); 5082 PRINT("100baseTX-FDX"); 5083 5084 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5085 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5086 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5087 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5088 PRINT("auto"); 5089 5090 printf("\n"); 5091 5092 sc->sc_statchg = tlp_pnic_nway_statchg; 5093 sc->sc_tick = tlp_pnic_nway_tick; 5094 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5095 } else { 5096 sc->sc_flags |= TULIPF_HAS_MII; 5097 sc->sc_tick = tlp_mii_tick; 5098 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5099 } 5100 5101 #undef ADD 5102 #undef PRINT 5103 } 5104 5105 void 5106 tlp_pnic_tmsw_get(sc, ifmr) 5107 struct tulip_softc *sc; 5108 struct ifmediareq *ifmr; 5109 { 5110 struct mii_data *mii = &sc->sc_mii; 5111 5112 if (sc->sc_flags & TULIPF_HAS_MII) 5113 tlp_mii_getmedia(sc, ifmr); 5114 else { 5115 mii->mii_media_status = 0; 5116 mii->mii_media_active = IFM_NONE; 5117 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5118 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5119 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5120 } 5121 } 5122 5123 int 5124 tlp_pnic_tmsw_set(sc) 5125 struct tulip_softc *sc; 5126 { 5127 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5128 struct mii_data *mii = &sc->sc_mii; 5129 5130 if (sc->sc_flags & TULIPF_HAS_MII) { 5131 /* 5132 * Make sure the built-in Tx jabber timer is disabled. 5133 */ 5134 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5135 5136 return (tlp_mii_setmedia(sc)); 5137 } 5138 5139 if (ifp->if_flags & IFF_UP) { 5140 mii->mii_media_status = 0; 5141 mii->mii_media_active = IFM_NONE; 5142 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5143 } 5144 5145 return (0); 5146 } 5147 5148 void 5149 tlp_pnic_nway_statchg(self) 5150 struct device *self; 5151 { 5152 struct tulip_softc *sc = (struct tulip_softc *)self; 5153 5154 /* Idle the transmit and receive processes. */ 5155 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5156 5157 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5158 OPMODE_SCR|OPMODE_HBD); 5159 5160 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5161 sc->sc_opmode |= OPMODE_TTM; 5162 TULIP_WRITE(sc, CSR_GPP, 5163 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5164 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5165 } else { 5166 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5167 TULIP_WRITE(sc, CSR_GPP, 5168 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5169 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5170 } 5171 5172 if (sc->sc_mii.mii_media_active & IFM_FDX) 5173 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5174 5175 /* 5176 * Write new OPMODE bits. This also restarts the transmit 5177 * and receive processes. 5178 */ 5179 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5180 } 5181 5182 void 5183 tlp_pnic_nway_tick(arg) 5184 void *arg; 5185 { 5186 struct tulip_softc *sc = arg; 5187 int s; 5188 5189 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5190 return; 5191 5192 s = splnet(); 5193 tlp_pnic_nway_service(sc, MII_TICK); 5194 splx(s); 5195 5196 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5197 } 5198 5199 /* 5200 * Support for the Lite-On PNIC internal NWay block. This is constructed 5201 * somewhat like a PHY driver for simplicity. 5202 */ 5203 5204 int 5205 tlp_pnic_nway_service(sc, cmd) 5206 struct tulip_softc *sc; 5207 int cmd; 5208 { 5209 struct mii_data *mii = &sc->sc_mii; 5210 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5211 5212 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5213 return (0); 5214 5215 switch (cmd) { 5216 case MII_POLLSTAT: 5217 /* Nothing special to do here. */ 5218 break; 5219 5220 case MII_MEDIACHG: 5221 switch (IFM_SUBTYPE(ife->ifm_media)) { 5222 case IFM_AUTO: 5223 (void) tlp_pnic_nway_auto(sc, 1); 5224 break; 5225 case IFM_100_T4: 5226 /* 5227 * XXX Not supported as a manual setting right now. 5228 */ 5229 return (EINVAL); 5230 default: 5231 /* 5232 * NWAY register data is stored in the ifmedia entry. 5233 */ 5234 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5235 } 5236 break; 5237 5238 case MII_TICK: 5239 /* 5240 * Only used for autonegotiation. 5241 */ 5242 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5243 return (0); 5244 5245 /* 5246 * Check to see if we have link. If we do, we don't 5247 * need to restart the autonegotiation process. 5248 */ 5249 if (sc->sc_flags & TULIPF_LINK_UP) 5250 return (0); 5251 5252 /* 5253 * Only retry autonegotiation every 5 seconds. 5254 */ 5255 if (++sc->sc_nway_ticks != 5) 5256 return (0); 5257 5258 sc->sc_nway_ticks = 0; 5259 tlp_pnic_nway_reset(sc); 5260 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5261 return (0); 5262 break; 5263 } 5264 5265 /* Update the media status. */ 5266 tlp_pnic_nway_status(sc); 5267 5268 /* Callback if something changed. */ 5269 if ((sc->sc_nway_active == NULL || 5270 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5271 cmd == MII_MEDIACHG) { 5272 (*sc->sc_statchg)(&sc->sc_dev); 5273 tlp_nway_activate(sc, mii->mii_media_active); 5274 } 5275 return (0); 5276 } 5277 5278 void 5279 tlp_pnic_nway_reset(sc) 5280 struct tulip_softc *sc; 5281 { 5282 5283 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5284 delay(100); 5285 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5286 } 5287 5288 int 5289 tlp_pnic_nway_auto(sc, waitfor) 5290 struct tulip_softc *sc; 5291 int waitfor; 5292 { 5293 struct mii_data *mii = &sc->sc_mii; 5294 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5295 u_int32_t reg; 5296 int i; 5297 5298 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5299 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5300 5301 if (waitfor) { 5302 /* Wait 500ms for it to complete. */ 5303 for (i = 0; i < 500; i++) { 5304 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5305 if (reg & PNIC_NWAY_LPAR_MASK) { 5306 tlp_pnic_nway_acomp(sc); 5307 return (0); 5308 } 5309 delay(1000); 5310 } 5311 #if 0 5312 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5313 printf("%s: autonegotiation failed to complete\n", 5314 sc->sc_dev.dv_xname); 5315 #endif 5316 5317 /* 5318 * Don't need to worry about clearing DOINGAUTO. 5319 * If that's set, a timeout is pending, and it will 5320 * clear the flag. 5321 */ 5322 return (EIO); 5323 } 5324 5325 /* 5326 * Just let it finish asynchronously. This is for the benefit of 5327 * the tick handler driving autonegotiation. Don't want 500ms 5328 * delays all the time while the system is running! 5329 */ 5330 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5331 sc->sc_flags |= TULIPF_DOINGAUTO; 5332 callout_reset(&sc->sc_nway_callout, hz >> 1, 5333 tlp_pnic_nway_auto_timeout, sc); 5334 } 5335 return (EJUSTRETURN); 5336 } 5337 5338 void 5339 tlp_pnic_nway_auto_timeout(arg) 5340 void *arg; 5341 { 5342 struct tulip_softc *sc = arg; 5343 u_int32_t reg; 5344 int s; 5345 5346 s = splnet(); 5347 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5348 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5349 #if 0 5350 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5351 printf("%s: autonegotiation failed to complete\n", 5352 sc->sc_dev.dv_xname); 5353 #endif 5354 5355 tlp_pnic_nway_acomp(sc); 5356 5357 /* Update the media status. */ 5358 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5359 splx(s); 5360 } 5361 5362 void 5363 tlp_pnic_nway_status(sc) 5364 struct tulip_softc *sc; 5365 { 5366 struct mii_data *mii = &sc->sc_mii; 5367 u_int32_t reg; 5368 5369 mii->mii_media_status = IFM_AVALID; 5370 mii->mii_media_active = IFM_ETHER; 5371 5372 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5373 5374 if (sc->sc_flags & TULIPF_LINK_UP) 5375 mii->mii_media_status |= IFM_ACTIVE; 5376 5377 if (reg & PNIC_NWAY_NW) { 5378 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5379 /* Erg, still trying, I guess... */ 5380 mii->mii_media_active |= IFM_NONE; 5381 return; 5382 } 5383 5384 #if 0 5385 if (reg & PNIC_NWAY_LPAR100T4) 5386 mii->mii_media_active |= IFM_100_T4; 5387 else 5388 #endif 5389 if (reg & PNIC_NWAY_LPAR100TXFDX) 5390 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5391 else if (reg & PNIC_NWAY_LPAR100TX) 5392 mii->mii_media_active |= IFM_100_TX; 5393 else if (reg & PNIC_NWAY_LPAR10TFDX) 5394 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5395 else if (reg & PNIC_NWAY_LPAR10T) 5396 mii->mii_media_active |= IFM_10_T; 5397 else 5398 mii->mii_media_active |= IFM_NONE; 5399 } else { 5400 if (reg & PNIC_NWAY_100) 5401 mii->mii_media_active |= IFM_100_TX; 5402 else 5403 mii->mii_media_active |= IFM_10_T; 5404 if (reg & PNIC_NWAY_FD) 5405 mii->mii_media_active |= IFM_FDX; 5406 } 5407 } 5408 5409 void 5410 tlp_pnic_nway_acomp(sc) 5411 struct tulip_softc *sc; 5412 { 5413 u_int32_t reg; 5414 5415 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5416 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5417 5418 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5419 reg |= PNIC_NWAY_100; 5420 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5421 reg |= PNIC_NWAY_FD; 5422 5423 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5424 } 5425 5426 /* 5427 * Macronix PMAC and Lite-On PNIC-II media switch: 5428 * 5429 * MX98713 and MX98713A 21140-like MII or GPIO media. 5430 * 5431 * MX98713A 21143-like MII or SIA/SYM media. 5432 * 5433 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5434 * 82C115, MX98715AEC-C, -E 5435 * 5436 * So, what we do here is fake MII-on-SIO or ISV media info, and 5437 * use the ISV media switch get/set functions to handle the rest. 5438 */ 5439 5440 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5441 5442 const struct tulip_mediasw tlp_pmac_mediasw = { 5443 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5444 }; 5445 5446 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5447 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5448 }; 5449 5450 void 5451 tlp_pmac_tmsw_init(sc) 5452 struct tulip_softc *sc; 5453 { 5454 static const u_int8_t media[] = { 5455 TULIP_ROM_MB_MEDIA_TP, 5456 TULIP_ROM_MB_MEDIA_TP_FDX, 5457 TULIP_ROM_MB_MEDIA_100TX, 5458 TULIP_ROM_MB_MEDIA_100TX_FDX, 5459 }; 5460 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5461 5462 sc->sc_mii.mii_ifp = ifp; 5463 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5464 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5465 sc->sc_mii.mii_statchg = sc->sc_statchg; 5466 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5467 tlp_mediastatus); 5468 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5469 sc->sc_chip == TULIP_CHIP_MX98713A) { 5470 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5471 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5472 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5473 sc->sc_flags |= TULIPF_HAS_MII; 5474 sc->sc_tick = tlp_mii_tick; 5475 sc->sc_preinit = tlp_2114x_mii_preinit; 5476 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5477 ifmedia_set(&sc->sc_mii.mii_media, 5478 IFM_ETHER|IFM_AUTO); 5479 return; 5480 } 5481 } 5482 5483 switch (sc->sc_chip) { 5484 case TULIP_CHIP_MX98713: 5485 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5486 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5487 5488 /* 5489 * XXX Should implement auto-sense for this someday, 5490 * XXX when we do the same for the 21140. 5491 */ 5492 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5493 break; 5494 5495 default: 5496 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5497 tlp_sia_get, tlp_sia_set, media, 2); 5498 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5499 tlp_sia_get, tlp_sia_set, media + 2, 2); 5500 5501 /* 5502 * XXX Autonegotiation not yet supported. 5503 */ 5504 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5505 break; 5506 } 5507 5508 tlp_print_media(sc); 5509 tlp_sia_fixup(sc); 5510 5511 /* Set the LED modes. */ 5512 tlp_pmac_reset(sc); 5513 5514 sc->sc_reset = tlp_pmac_reset; 5515 } 5516 5517 /* 5518 * ADMtek AL981 media switch. Only has internal PHY. 5519 */ 5520 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5521 5522 const struct tulip_mediasw tlp_al981_mediasw = { 5523 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5524 }; 5525 5526 void 5527 tlp_al981_tmsw_init(sc) 5528 struct tulip_softc *sc; 5529 { 5530 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5531 5532 sc->sc_mii.mii_ifp = ifp; 5533 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5534 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5535 sc->sc_mii.mii_statchg = sc->sc_statchg; 5536 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5537 tlp_mediastatus); 5538 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5539 MII_OFFSET_ANY, 0); 5540 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5541 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5542 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5543 } else { 5544 sc->sc_flags |= TULIPF_HAS_MII; 5545 sc->sc_tick = tlp_mii_tick; 5546 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5547 } 5548 } 5549 5550 /* 5551 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5552 */ 5553 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5554 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5555 struct ifmediareq *)); 5556 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5557 5558 const struct tulip_mediasw tlp_dm9102_mediasw = { 5559 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5560 tlp_dm9102_tmsw_setmedia 5561 }; 5562 5563 void 5564 tlp_dm9102_tmsw_init(sc) 5565 struct tulip_softc *sc; 5566 { 5567 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5568 u_int32_t opmode; 5569 5570 sc->sc_mii.mii_ifp = ifp; 5571 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5572 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5573 sc->sc_mii.mii_statchg = sc->sc_statchg; 5574 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5575 tlp_mediastatus); 5576 5577 /* PHY block already reset via tlp_reset(). */ 5578 5579 /* 5580 * Configure OPMODE properly for the internal MII interface. 5581 */ 5582 switch (sc->sc_chip) { 5583 case TULIP_CHIP_DM9102: 5584 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5585 break; 5586 5587 case TULIP_CHIP_DM9102A: 5588 opmode = OPMODE_MBO|OPMODE_HBD; 5589 break; 5590 5591 default: 5592 /* Nothing. */ 5593 } 5594 5595 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5596 5597 /* Now, probe the internal MII for the internal PHY. */ 5598 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5599 MII_OFFSET_ANY, 0); 5600 5601 /* 5602 * XXX Figure out what to do about the HomePNA portion 5603 * XXX of the DM9102A. 5604 */ 5605 5606 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5607 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5608 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5609 } else { 5610 sc->sc_flags |= TULIPF_HAS_MII; 5611 sc->sc_tick = tlp_mii_tick; 5612 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5613 } 5614 } 5615 5616 void 5617 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5618 struct tulip_softc *sc; 5619 struct ifmediareq *ifmr; 5620 { 5621 5622 /* XXX HomePNA on DM9102A. */ 5623 tlp_mii_getmedia(sc, ifmr); 5624 } 5625 5626 int 5627 tlp_dm9102_tmsw_setmedia(sc) 5628 struct tulip_softc *sc; 5629 { 5630 5631 /* XXX HomePNA on DM9102A. */ 5632 return (tlp_mii_setmedia(sc)); 5633 } 5634
Indexes created Wed Oct 15 16:09:53 GMT 2025