tulip.c revision 1.86
1 /* $NetBSD: tulip.c,v 1.86 2001/01/08 21:40:29 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/callout.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #include <machine/endian.h> 61 62 #include <uvm/uvm_extern.h> 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/if_inarp.h> 76 #endif 77 78 #ifdef NS 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 #include <dev/mii/mii_bitbang.h> 89 90 #include <dev/ic/tulipreg.h> 91 #include <dev/ic/tulipvar.h> 92 93 const char *tlp_chip_names[] = TULIP_CHIP_NAMES; 94 95 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_10; 97 98 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 99 TLP_TXTHRESH_TAB_10_100; 100 101 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 102 TLP_TXTHRESH_TAB_WINB; 103 104 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 105 TLP_TXTHRESH_TAB_DM9102; 106 107 void tlp_start __P((struct ifnet *)); 108 void tlp_watchdog __P((struct ifnet *)); 109 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 110 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 IFQ_SET_READY(&ifp->if_snd); 507 508 /* 509 * We can support 802.1Q VLAN-sized frames. 510 */ 511 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 512 513 /* 514 * Attach the interface. 515 */ 516 if_attach(ifp); 517 ether_ifattach(ifp, enaddr); 518 #if NRND > 0 519 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 520 RND_TYPE_NET, 0); 521 #endif 522 523 /* 524 * Make sure the interface is shutdown during reboot. 525 */ 526 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 527 if (sc->sc_sdhook == NULL) 528 printf("%s: WARNING: unable to establish shutdown hook\n", 529 sc->sc_dev.dv_xname); 530 531 /* 532 * Add a suspend hook to make sure we come back up after a 533 * resume. 534 */ 535 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 536 if (sc->sc_powerhook == NULL) 537 printf("%s: WARNING: unable to establish power hook\n", 538 sc->sc_dev.dv_xname); 539 return; 540 541 /* 542 * Free any resources we've allocated during the failed attach 543 * attempt. Do this in reverse order and fall through. 544 */ 545 fail_5: 546 for (i = 0; i < TULIP_NRXDESC; i++) { 547 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 548 bus_dmamap_destroy(sc->sc_dmat, 549 sc->sc_rxsoft[i].rxs_dmamap); 550 } 551 fail_4: 552 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 553 if (sc->sc_txsoft[i].txs_dmamap != NULL) 554 bus_dmamap_destroy(sc->sc_dmat, 555 sc->sc_txsoft[i].txs_dmamap); 556 } 557 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 558 fail_3: 559 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 560 fail_2: 561 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 562 sizeof(struct tulip_control_data)); 563 fail_1: 564 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 565 fail_0: 566 return; 567 } 568 569 /* 570 * tlp_activate: 571 * 572 * Handle device activation/deactivation requests. 573 */ 574 int 575 tlp_activate(self, act) 576 struct device *self; 577 enum devact act; 578 { 579 struct tulip_softc *sc = (void *) self; 580 int s, error = 0; 581 582 s = splnet(); 583 switch (act) { 584 case DVACT_ACTIVATE: 585 error = EOPNOTSUPP; 586 break; 587 588 case DVACT_DEACTIVATE: 589 if (sc->sc_flags & TULIPF_HAS_MII) 590 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 591 MII_OFFSET_ANY); 592 if_deactivate(&sc->sc_ethercom.ec_if); 593 break; 594 } 595 splx(s); 596 597 return (error); 598 } 599 600 /* 601 * tlp_detach: 602 * 603 * Detach a Tulip interface. 604 */ 605 int 606 tlp_detach(sc) 607 struct tulip_softc *sc; 608 { 609 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 610 struct tulip_rxsoft *rxs; 611 struct tulip_txsoft *txs; 612 int i; 613 614 /* 615 * Suceed now if there isn't any work to do. 616 */ 617 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 618 return (0); 619 620 /* Unhook our tick handler. */ 621 if (sc->sc_tick) 622 callout_stop(&sc->sc_tick_callout); 623 624 if (sc->sc_flags & TULIPF_HAS_MII) { 625 /* Detach all PHYs */ 626 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 627 } 628 629 /* Delete all remaining media. */ 630 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 631 632 #if NRND > 0 633 rnd_detach_source(&sc->sc_rnd_source); 634 #endif 635 ether_ifdetach(ifp); 636 if_detach(ifp); 637 638 for (i = 0; i < TULIP_NRXDESC; i++) { 639 rxs = &sc->sc_rxsoft[i]; 640 if (rxs->rxs_mbuf != NULL) { 641 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 642 m_freem(rxs->rxs_mbuf); 643 rxs->rxs_mbuf = NULL; 644 } 645 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 646 } 647 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 648 txs = &sc->sc_txsoft[i]; 649 if (txs->txs_mbuf != NULL) { 650 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 651 m_freem(txs->txs_mbuf); 652 txs->txs_mbuf = NULL; 653 } 654 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 655 } 656 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 657 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 658 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 659 sizeof(struct tulip_control_data)); 660 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 661 662 shutdownhook_disestablish(sc->sc_sdhook); 663 powerhook_disestablish(sc->sc_powerhook); 664 665 if (sc->sc_srom) 666 free(sc->sc_srom, M_DEVBUF); 667 668 return (0); 669 } 670 671 /* 672 * tlp_shutdown: 673 * 674 * Make sure the interface is stopped at reboot time. 675 */ 676 void 677 tlp_shutdown(arg) 678 void *arg; 679 { 680 struct tulip_softc *sc = arg; 681 682 tlp_stop(&sc->sc_ethercom.ec_if, 1); 683 } 684 685 /* 686 * tlp_start: [ifnet interface function] 687 * 688 * Start packet transmission on the interface. 689 */ 690 void 691 tlp_start(ifp) 692 struct ifnet *ifp; 693 { 694 struct tulip_softc *sc = ifp->if_softc; 695 struct mbuf *m0, *m; 696 struct tulip_txsoft *txs, *last_txs; 697 bus_dmamap_t dmamap; 698 int error, firsttx, nexttx, lasttx, ofree, seg; 699 700 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 701 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 702 703 /* 704 * If we want a filter setup, it means no more descriptors were 705 * available for the setup routine. Let it get a chance to wedge 706 * itself into the ring. 707 */ 708 if (sc->sc_flags & TULIPF_WANT_SETUP) 709 ifp->if_flags |= IFF_OACTIVE; 710 711 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 712 return; 713 714 /* 715 * Remember the previous number of free descriptors and 716 * the first descriptor we'll use. 717 */ 718 ofree = sc->sc_txfree; 719 firsttx = sc->sc_txnext; 720 721 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 722 sc->sc_dev.dv_xname, ofree, firsttx)); 723 724 /* 725 * Loop through the send queue, setting up transmit descriptors 726 * until we drain the queue, or use up all available transmit 727 * descriptors. 728 */ 729 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 730 sc->sc_txfree != 0) { 731 /* 732 * Grab a packet off the queue. 733 */ 734 IFQ_POLL(&ifp->if_snd, m0); 735 if (m0 == NULL) 736 break; 737 m = NULL; 738 739 dmamap = txs->txs_dmamap; 740 741 /* 742 * Load the DMA map. If this fails, the packet either 743 * didn't fit in the alloted number of segments, or we were 744 * short on resources. In this case, we'll copy and try 745 * again. 746 * 747 * Note that if we're only allowed 1 Tx segment, we 748 * have an alignment restriction. Do this test before 749 * attempting to load the DMA map, because it's more 750 * likely we'll trip the alignment test than the 751 * more-than-one-segment test. 752 */ 753 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 754 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 755 BUS_DMA_NOWAIT) != 0) { 756 MGETHDR(m, M_DONTWAIT, MT_DATA); 757 if (m == NULL) { 758 printf("%s: unable to allocate Tx mbuf\n", 759 sc->sc_dev.dv_xname); 760 break; 761 } 762 if (m0->m_pkthdr.len > MHLEN) { 763 MCLGET(m, M_DONTWAIT); 764 if ((m->m_flags & M_EXT) == 0) { 765 printf("%s: unable to allocate Tx " 766 "cluster\n", sc->sc_dev.dv_xname); 767 m_freem(m); 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 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 774 m, BUS_DMA_NOWAIT); 775 if (error) { 776 printf("%s: unable to load Tx buffer, " 777 "error = %d\n", sc->sc_dev.dv_xname, error); 778 break; 779 } 780 } 781 782 /* 783 * Ensure we have enough descriptors free to describe 784 * the packet. 785 */ 786 if (dmamap->dm_nsegs > sc->sc_txfree) { 787 /* 788 * Not enough free descriptors to transmit this 789 * packet. We haven't committed to anything yet, 790 * so just unload the DMA map, put the packet 791 * back on the queue, and punt. Notify the upper 792 * layer that there are no more slots left. 793 * 794 * XXX We could allocate an mbuf and copy, but 795 * XXX it is worth it? 796 */ 797 ifp->if_flags |= IFF_OACTIVE; 798 bus_dmamap_unload(sc->sc_dmat, dmamap); 799 if (m != NULL) 800 m_freem(m); 801 break; 802 } 803 804 IFQ_DEQUEUE(&ifp->if_snd, m0); 805 if (m != NULL) { 806 m_freem(m0); 807 m0 = m; 808 } 809 810 /* 811 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 812 */ 813 814 /* Sync the DMA map. */ 815 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 816 BUS_DMASYNC_PREWRITE); 817 818 /* 819 * Initialize the transmit descriptors. 820 */ 821 for (nexttx = sc->sc_txnext, seg = 0; 822 seg < dmamap->dm_nsegs; 823 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 824 /* 825 * If this is the first descriptor we're 826 * enqueueing, don't set the OWN bit just 827 * yet. That could cause a race condition. 828 * We'll do it below. 829 */ 830 sc->sc_txdescs[nexttx].td_status = 831 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 832 sc->sc_txdescs[nexttx].td_bufaddr1 = 833 htole32(dmamap->dm_segs[seg].ds_addr); 834 sc->sc_txdescs[nexttx].td_ctl = 835 htole32((dmamap->dm_segs[seg].ds_len << 836 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 837 (nexttx == (TULIP_NTXDESC - 1) ? 838 sc->sc_tdctl_er : 0)); 839 lasttx = nexttx; 840 } 841 842 /* Set `first segment' and `last segment' appropriately. */ 843 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 844 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 845 846 #ifdef TLP_DEBUG 847 if (ifp->if_flags & IFF_DEBUG) { 848 printf(" txsoft %p transmit chain:\n", txs); 849 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 850 printf(" descriptor %d:\n", seg); 851 printf(" td_status: 0x%08x\n", 852 le32toh(sc->sc_txdescs[seg].td_status)); 853 printf(" td_ctl: 0x%08x\n", 854 le32toh(sc->sc_txdescs[seg].td_ctl)); 855 printf(" td_bufaddr1: 0x%08x\n", 856 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 857 printf(" td_bufaddr2: 0x%08x\n", 858 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 859 if (seg == lasttx) 860 break; 861 } 862 } 863 #endif 864 865 /* Sync the descriptors we're using. */ 866 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 867 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 868 869 /* 870 * Store a pointer to the packet so we can free it later, 871 * and remember what txdirty will be once the packet is 872 * done. 873 */ 874 txs->txs_mbuf = m0; 875 txs->txs_firstdesc = sc->sc_txnext; 876 txs->txs_lastdesc = lasttx; 877 txs->txs_ndescs = dmamap->dm_nsegs; 878 879 /* Advance the tx pointer. */ 880 sc->sc_txfree -= dmamap->dm_nsegs; 881 sc->sc_txnext = nexttx; 882 883 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 884 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 885 886 last_txs = txs; 887 888 #if NBPFILTER > 0 889 /* 890 * Pass the packet to any BPF listeners. 891 */ 892 if (ifp->if_bpf) 893 bpf_mtap(ifp->if_bpf, m0); 894 #endif /* NBPFILTER > 0 */ 895 } 896 897 if (txs == NULL || sc->sc_txfree == 0) { 898 /* No more slots left; notify upper layer. */ 899 ifp->if_flags |= IFF_OACTIVE; 900 } 901 902 if (sc->sc_txfree != ofree) { 903 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 904 sc->sc_dev.dv_xname, lasttx, firsttx)); 905 /* 906 * Cause a transmit interrupt to happen on the 907 * last packet we enqueued. 908 */ 909 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 910 TULIP_CDTXSYNC(sc, lasttx, 1, 911 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 912 913 /* 914 * Some clone chips want IC on the *first* segment in 915 * the packet. Appease them. 916 */ 917 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 918 last_txs->txs_firstdesc != lasttx) { 919 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 920 htole32(TDCTL_Tx_IC); 921 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 922 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 923 } 924 925 /* 926 * The entire packet chain is set up. Give the 927 * first descriptor to the chip now. 928 */ 929 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 930 TULIP_CDTXSYNC(sc, firsttx, 1, 931 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 932 933 /* Wake up the transmitter. */ 934 /* XXX USE AUTOPOLLING? */ 935 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 936 937 /* Set a watchdog timer in case the chip flakes out. */ 938 ifp->if_timer = 5; 939 } 940 } 941 942 /* 943 * tlp_watchdog: [ifnet interface function] 944 * 945 * Watchdog timer handler. 946 */ 947 void 948 tlp_watchdog(ifp) 949 struct ifnet *ifp; 950 { 951 struct tulip_softc *sc = ifp->if_softc; 952 int doing_setup, doing_transmit; 953 954 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 955 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 956 957 if (doing_setup && doing_transmit) { 958 printf("%s: filter setup and transmit timeout\n", 959 sc->sc_dev.dv_xname); 960 ifp->if_oerrors++; 961 } else if (doing_transmit) { 962 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 963 ifp->if_oerrors++; 964 } else if (doing_setup) 965 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 966 else 967 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 968 969 (void) tlp_init(ifp); 970 971 /* Try to get more packets going. */ 972 tlp_start(ifp); 973 } 974 975 /* 976 * tlp_ioctl: [ifnet interface function] 977 * 978 * Handle control requests from the operator. 979 */ 980 int 981 tlp_ioctl(ifp, cmd, data) 982 struct ifnet *ifp; 983 u_long cmd; 984 caddr_t data; 985 { 986 struct tulip_softc *sc = ifp->if_softc; 987 struct ifreq *ifr = (struct ifreq *)data; 988 int s, error; 989 990 s = splnet(); 991 992 switch (cmd) { 993 case SIOCSIFMEDIA: 994 case SIOCGIFMEDIA: 995 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 996 break; 997 998 default: 999 error = ether_ioctl(ifp, cmd, data); 1000 if (error == ENETRESET) { 1001 if (TULIP_IS_ENABLED(sc)) { 1002 /* 1003 * Multicast list has changed. Set the 1004 * hardware filter accordingly. 1005 */ 1006 (*sc->sc_filter_setup)(sc); 1007 } 1008 error = 0; 1009 } 1010 break; 1011 } 1012 1013 /* Try to get more packets going. */ 1014 if (TULIP_IS_ENABLED(sc)) 1015 tlp_start(ifp); 1016 1017 splx(s); 1018 return (error); 1019 } 1020 1021 /* 1022 * tlp_intr: 1023 * 1024 * Interrupt service routine. 1025 */ 1026 int 1027 tlp_intr(arg) 1028 void *arg; 1029 { 1030 struct tulip_softc *sc = arg; 1031 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1032 u_int32_t status, rxstatus, txstatus; 1033 int handled = 0, txthresh; 1034 1035 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1036 1037 #ifdef DEBUG 1038 if (TULIP_IS_ENABLED(sc) == 0) 1039 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1040 #endif 1041 1042 /* 1043 * If the interface isn't running, the interrupt couldn't 1044 * possibly have come from us. 1045 */ 1046 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1047 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1048 return (0); 1049 1050 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1051 switch (sc->sc_chip) { 1052 case TULIP_CHIP_DM9102: 1053 case TULIP_CHIP_DM9102A: 1054 TULIP_WRITE(sc, CSR_INTEN, 0); 1055 break; 1056 1057 default: 1058 /* Nothing. */ 1059 } 1060 1061 for (;;) { 1062 status = TULIP_READ(sc, CSR_STATUS); 1063 if (status) 1064 TULIP_WRITE(sc, CSR_STATUS, status); 1065 1066 if ((status & sc->sc_inten) == 0) 1067 break; 1068 1069 handled = 1; 1070 1071 rxstatus = status & sc->sc_rxint_mask; 1072 txstatus = status & sc->sc_txint_mask; 1073 1074 if (rxstatus) { 1075 /* Grab new any new packets. */ 1076 tlp_rxintr(sc); 1077 1078 if (rxstatus & STATUS_RWT) 1079 printf("%s: receive watchdog timeout\n", 1080 sc->sc_dev.dv_xname); 1081 1082 if (rxstatus & STATUS_RU) { 1083 printf("%s: receive ring overrun\n", 1084 sc->sc_dev.dv_xname); 1085 /* Get the receive process going again. */ 1086 if (sc->sc_tdctl_er != TDCTL_ER) { 1087 tlp_idle(sc, OPMODE_SR); 1088 TULIP_WRITE(sc, CSR_RXLIST, 1089 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1090 TULIP_WRITE(sc, CSR_OPMODE, 1091 sc->sc_opmode); 1092 } 1093 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1094 break; 1095 } 1096 } 1097 1098 if (txstatus) { 1099 /* Sweep up transmit descriptors. */ 1100 tlp_txintr(sc); 1101 1102 if (txstatus & STATUS_TJT) 1103 printf("%s: transmit jabber timeout\n", 1104 sc->sc_dev.dv_xname); 1105 1106 if (txstatus & STATUS_UNF) { 1107 /* 1108 * Increase our transmit threshold if 1109 * another is available. 1110 */ 1111 txthresh = sc->sc_txthresh + 1; 1112 if (sc->sc_txth[txthresh].txth_name != NULL) { 1113 /* Idle the transmit process. */ 1114 tlp_idle(sc, OPMODE_ST); 1115 1116 sc->sc_txthresh = txthresh; 1117 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1118 sc->sc_opmode |= 1119 sc->sc_txth[txthresh].txth_opmode; 1120 printf("%s: transmit underrun; new " 1121 "threshold: %s\n", 1122 sc->sc_dev.dv_xname, 1123 sc->sc_txth[txthresh].txth_name); 1124 1125 /* 1126 * Set the new threshold and restart 1127 * the transmit process. 1128 */ 1129 TULIP_WRITE(sc, CSR_OPMODE, 1130 sc->sc_opmode); 1131 } 1132 /* 1133 * XXX Log every Nth underrun from 1134 * XXX now on? 1135 */ 1136 } 1137 } 1138 1139 if (status & (STATUS_TPS|STATUS_RPS)) { 1140 if (status & STATUS_TPS) 1141 printf("%s: transmit process stopped\n", 1142 sc->sc_dev.dv_xname); 1143 if (status & STATUS_RPS) 1144 printf("%s: receive process stopped\n", 1145 sc->sc_dev.dv_xname); 1146 (void) tlp_init(ifp); 1147 break; 1148 } 1149 1150 if (status & STATUS_SE) { 1151 const char *str; 1152 switch (status & STATUS_EB) { 1153 case STATUS_EB_PARITY: 1154 str = "parity error"; 1155 break; 1156 1157 case STATUS_EB_MABT: 1158 str = "master abort"; 1159 break; 1160 1161 case STATUS_EB_TABT: 1162 str = "target abort"; 1163 break; 1164 1165 default: 1166 str = "unknown error"; 1167 break; 1168 } 1169 printf("%s: fatal system error: %s\n", 1170 sc->sc_dev.dv_xname, str); 1171 (void) tlp_init(ifp); 1172 break; 1173 } 1174 1175 /* 1176 * Not handled: 1177 * 1178 * Transmit buffer unavailable -- normal 1179 * condition, nothing to do, really. 1180 * 1181 * General purpose timer experied -- we don't 1182 * use the general purpose timer. 1183 * 1184 * Early receive interrupt -- not available on 1185 * all chips, we just use RI. We also only 1186 * use single-segment receive DMA, so this 1187 * is mostly useless. 1188 */ 1189 } 1190 1191 /* Bring interrupts back up on the DM9102. */ 1192 switch (sc->sc_chip) { 1193 case TULIP_CHIP_DM9102: 1194 case TULIP_CHIP_DM9102A: 1195 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1196 break; 1197 1198 default: 1199 /* Nothing. */ 1200 } 1201 1202 /* Try to get more packets going. */ 1203 tlp_start(ifp); 1204 1205 #if NRND > 0 1206 if (handled) 1207 rnd_add_uint32(&sc->sc_rnd_source, status); 1208 #endif 1209 return (handled); 1210 } 1211 1212 /* 1213 * tlp_rxintr: 1214 * 1215 * Helper; handle receive interrupts. 1216 */ 1217 void 1218 tlp_rxintr(sc) 1219 struct tulip_softc *sc; 1220 { 1221 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1222 struct ether_header *eh; 1223 struct tulip_rxsoft *rxs; 1224 struct mbuf *m; 1225 u_int32_t rxstat; 1226 int i, len; 1227 1228 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1229 rxs = &sc->sc_rxsoft[i]; 1230 1231 TULIP_CDRXSYNC(sc, i, 1232 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1233 1234 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1235 1236 if (rxstat & TDSTAT_OWN) { 1237 /* 1238 * We have processed all of the receive buffers. 1239 */ 1240 break; 1241 } 1242 1243 /* 1244 * Make sure the packet fit in one buffer. This should 1245 * always be the case. But the Lite-On PNIC, rev 33 1246 * has an awful receive engine bug, which may require 1247 * a very icky work-around. 1248 */ 1249 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1250 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1251 printf("%s: incoming packet spilled, resetting\n", 1252 sc->sc_dev.dv_xname); 1253 (void) tlp_init(ifp); 1254 return; 1255 } 1256 1257 /* 1258 * If any collisions were seen on the wire, count one. 1259 */ 1260 if (rxstat & TDSTAT_Rx_CS) 1261 ifp->if_collisions++; 1262 1263 /* 1264 * If an error occured, update stats, clear the status 1265 * word, and leave the packet buffer in place. It will 1266 * simply be reused the next time the ring comes around. 1267 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1268 * error. 1269 */ 1270 if (rxstat & TDSTAT_ES && 1271 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1272 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1273 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1274 #define PRINTERR(bit, str) \ 1275 if (rxstat & (bit)) \ 1276 printf("%s: receive error: %s\n", \ 1277 sc->sc_dev.dv_xname, str) 1278 ifp->if_ierrors++; 1279 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1280 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1281 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1282 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1283 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1284 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1285 #undef PRINTERR 1286 TULIP_INIT_RXDESC(sc, i); 1287 continue; 1288 } 1289 1290 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1291 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1292 1293 /* 1294 * No errors; receive the packet. Note the Tulip 1295 * includes the CRC with every packet. 1296 */ 1297 len = TDSTAT_Rx_LENGTH(rxstat); 1298 1299 #ifdef __NO_STRICT_ALIGNMENT 1300 /* 1301 * Allocate a new mbuf cluster. If that fails, we are 1302 * out of memory, and must drop the packet and recycle 1303 * the buffer that's already attached to this descriptor. 1304 */ 1305 m = rxs->rxs_mbuf; 1306 if (tlp_add_rxbuf(sc, i) != 0) { 1307 ifp->if_ierrors++; 1308 TULIP_INIT_RXDESC(sc, i); 1309 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1310 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1311 continue; 1312 } 1313 #else 1314 /* 1315 * The Tulip's receive buffers must be 4-byte aligned. 1316 * But this means that the data after the Ethernet header 1317 * is misaligned. We must allocate a new buffer and 1318 * copy the data, shifted forward 2 bytes. 1319 */ 1320 MGETHDR(m, M_DONTWAIT, MT_DATA); 1321 if (m == NULL) { 1322 dropit: 1323 ifp->if_ierrors++; 1324 TULIP_INIT_RXDESC(sc, i); 1325 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1326 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1327 continue; 1328 } 1329 if (len > (MHLEN - 2)) { 1330 MCLGET(m, M_DONTWAIT); 1331 if ((m->m_flags & M_EXT) == 0) { 1332 m_freem(m); 1333 goto dropit; 1334 } 1335 } 1336 m->m_data += 2; 1337 1338 /* 1339 * Note that we use clusters for incoming frames, so the 1340 * buffer is virtually contiguous. 1341 */ 1342 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1343 1344 /* Allow the receive descriptor to continue using its mbuf. */ 1345 TULIP_INIT_RXDESC(sc, i); 1346 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1347 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1348 #endif /* __NO_STRICT_ALIGNMENT */ 1349 1350 ifp->if_ipackets++; 1351 eh = mtod(m, struct ether_header *); 1352 m->m_flags |= M_HASFCS; 1353 m->m_pkthdr.rcvif = ifp; 1354 m->m_pkthdr.len = m->m_len = len; 1355 1356 #if NBPFILTER > 0 1357 /* 1358 * Pass this up to any BPF listeners, but only 1359 * pass it up the stack if its for us. 1360 */ 1361 if (ifp->if_bpf) 1362 bpf_mtap(ifp->if_bpf, m); 1363 #endif /* NPBFILTER > 0 */ 1364 1365 /* 1366 * We sometimes have to run the 21140 in Hash-Only 1367 * mode. If we're in that mode, and not in promiscuous 1368 * mode, and we have a unicast packet that isn't for 1369 * us, then drop it. 1370 */ 1371 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1372 (ifp->if_flags & IFF_PROMISC) == 0 && 1373 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1374 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1375 ETHER_ADDR_LEN) != 0) { 1376 m_freem(m); 1377 continue; 1378 } 1379 1380 /* Pass it on. */ 1381 (*ifp->if_input)(ifp, m); 1382 } 1383 1384 /* Update the recieve pointer. */ 1385 sc->sc_rxptr = i; 1386 } 1387 1388 /* 1389 * tlp_txintr: 1390 * 1391 * Helper; handle transmit interrupts. 1392 */ 1393 void 1394 tlp_txintr(sc) 1395 struct tulip_softc *sc; 1396 { 1397 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1398 struct tulip_txsoft *txs; 1399 u_int32_t txstat; 1400 1401 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1402 sc->sc_dev.dv_xname, sc->sc_flags)); 1403 1404 ifp->if_flags &= ~IFF_OACTIVE; 1405 1406 /* 1407 * Go through our Tx list and free mbufs for those 1408 * frames that have been transmitted. 1409 */ 1410 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1411 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1412 txs->txs_ndescs, 1413 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1414 1415 #ifdef TLP_DEBUG 1416 if (ifp->if_flags & IFF_DEBUG) { 1417 int i; 1418 printf(" txsoft %p transmit chain:\n", txs); 1419 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1420 printf(" descriptor %d:\n", i); 1421 printf(" td_status: 0x%08x\n", 1422 le32toh(sc->sc_txdescs[i].td_status)); 1423 printf(" td_ctl: 0x%08x\n", 1424 le32toh(sc->sc_txdescs[i].td_ctl)); 1425 printf(" td_bufaddr1: 0x%08x\n", 1426 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1427 printf(" td_bufaddr2: 0x%08x\n", 1428 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1429 if (i == txs->txs_lastdesc) 1430 break; 1431 } 1432 } 1433 #endif 1434 1435 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1436 if (txstat & TDSTAT_OWN) 1437 break; 1438 1439 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1440 1441 sc->sc_txfree += txs->txs_ndescs; 1442 1443 if (txs->txs_mbuf == NULL) { 1444 /* 1445 * If we didn't have an mbuf, it was the setup 1446 * packet. 1447 */ 1448 #ifdef DIAGNOSTIC 1449 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1450 panic("tlp_txintr: null mbuf, not doing setup"); 1451 #endif 1452 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1453 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1454 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1455 continue; 1456 } 1457 1458 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1459 0, txs->txs_dmamap->dm_mapsize, 1460 BUS_DMASYNC_POSTWRITE); 1461 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1462 m_freem(txs->txs_mbuf); 1463 txs->txs_mbuf = NULL; 1464 1465 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1466 1467 /* 1468 * Check for errors and collisions. 1469 */ 1470 #ifdef TLP_STATS 1471 if (txstat & TDSTAT_Tx_UF) 1472 sc->sc_stats.ts_tx_uf++; 1473 if (txstat & TDSTAT_Tx_TO) 1474 sc->sc_stats.ts_tx_to++; 1475 if (txstat & TDSTAT_Tx_EC) 1476 sc->sc_stats.ts_tx_ec++; 1477 if (txstat & TDSTAT_Tx_LC) 1478 sc->sc_stats.ts_tx_lc++; 1479 #endif 1480 1481 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1482 ifp->if_oerrors++; 1483 1484 if (txstat & TDSTAT_Tx_EC) 1485 ifp->if_collisions += 16; 1486 else 1487 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1488 if (txstat & TDSTAT_Tx_LC) 1489 ifp->if_collisions++; 1490 1491 ifp->if_opackets++; 1492 } 1493 1494 /* 1495 * If there are no more pending transmissions, cancel the watchdog 1496 * timer. 1497 */ 1498 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1499 ifp->if_timer = 0; 1500 1501 /* 1502 * If we have a receive filter setup pending, do it now. 1503 */ 1504 if (sc->sc_flags & TULIPF_WANT_SETUP) 1505 (*sc->sc_filter_setup)(sc); 1506 } 1507 1508 #ifdef TLP_STATS 1509 void 1510 tlp_print_stats(sc) 1511 struct tulip_softc *sc; 1512 { 1513 1514 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1515 sc->sc_dev.dv_xname, 1516 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1517 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1518 } 1519 #endif 1520 1521 /* 1522 * tlp_reset: 1523 * 1524 * Perform a soft reset on the Tulip. 1525 */ 1526 void 1527 tlp_reset(sc) 1528 struct tulip_softc *sc; 1529 { 1530 int i; 1531 1532 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1533 1534 /* 1535 * Xircom clone doesn't bring itself out of reset automatically. 1536 * Instead, we have to wait at least 50 PCI cycles, and then 1537 * clear SWR. 1538 */ 1539 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1540 delay(10); 1541 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1542 } 1543 1544 for (i = 0; i < 1000; i++) { 1545 /* 1546 * Wait at least 50 PCI cycles for the reset to 1547 * complete before peeking at the Tulip again. 1548 * 10 uSec is a bit longer than 50 PCI cycles 1549 * (at 33MHz), but it doesn't hurt have the extra 1550 * wait. 1551 */ 1552 delay(10); 1553 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1554 break; 1555 } 1556 1557 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1558 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1559 1560 delay(1000); 1561 1562 /* 1563 * If the board has any GPIO reset sequences to issue, do them now. 1564 */ 1565 if (sc->sc_reset != NULL) 1566 (*sc->sc_reset)(sc); 1567 } 1568 1569 /* 1570 * tlp_init: [ ifnet interface function ] 1571 * 1572 * Initialize the interface. Must be called at splnet(). 1573 */ 1574 int 1575 tlp_init(ifp) 1576 struct ifnet *ifp; 1577 { 1578 struct tulip_softc *sc = ifp->if_softc; 1579 struct tulip_txsoft *txs; 1580 struct tulip_rxsoft *rxs; 1581 int i, error = 0; 1582 1583 if ((error = tlp_enable(sc)) != 0) 1584 goto out; 1585 1586 /* 1587 * Cancel any pending I/O. 1588 */ 1589 tlp_stop(ifp, 0); 1590 1591 /* 1592 * Initialize `opmode' to 0, and call the pre-init routine, if 1593 * any. This is required because the 2114x and some of the 1594 * clones require that the media-related bits in `opmode' be 1595 * set before performing a soft-reset in order to get internal 1596 * chip pathways are correct. Yay! 1597 */ 1598 sc->sc_opmode = 0; 1599 if (sc->sc_preinit != NULL) 1600 (*sc->sc_preinit)(sc); 1601 1602 /* 1603 * Reset the Tulip to a known state. 1604 */ 1605 tlp_reset(sc); 1606 1607 /* 1608 * Initialize the BUSMODE register. 1609 */ 1610 sc->sc_busmode = BUSMODE_BAR; 1611 switch (sc->sc_chip) { 1612 case TULIP_CHIP_21140: 1613 case TULIP_CHIP_21140A: 1614 case TULIP_CHIP_21142: 1615 case TULIP_CHIP_21143: 1616 case TULIP_CHIP_82C115: 1617 case TULIP_CHIP_MX98725: 1618 /* 1619 * If we're allowed to do so, use Memory Read Line 1620 * and Memory Read Multiple. 1621 * 1622 * XXX Should we use Memory Write and Invalidate? 1623 */ 1624 if (sc->sc_flags & TULIPF_MRL) 1625 sc->sc_busmode |= BUSMODE_RLE; 1626 if (sc->sc_flags & TULIPF_MRM) 1627 sc->sc_busmode |= BUSMODE_RME; 1628 #if 0 1629 if (sc->sc_flags & TULIPF_MWI) 1630 sc->sc_busmode |= BUSMODE_WLE; 1631 #endif 1632 break; 1633 1634 case TULIP_CHIP_82C168: 1635 case TULIP_CHIP_82C169: 1636 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1637 if (sc->sc_maxburst == 0) 1638 sc->sc_maxburst = 16; 1639 break; 1640 1641 default: 1642 /* Nothing. */ 1643 } 1644 switch (sc->sc_cacheline) { 1645 default: 1646 /* 1647 * Note: We must *always* set these bits; a cache 1648 * alignment of 0 is RESERVED. 1649 */ 1650 case 8: 1651 sc->sc_busmode |= BUSMODE_CAL_8LW; 1652 break; 1653 case 16: 1654 sc->sc_busmode |= BUSMODE_CAL_16LW; 1655 break; 1656 case 32: 1657 sc->sc_busmode |= BUSMODE_CAL_32LW; 1658 break; 1659 } 1660 switch (sc->sc_maxburst) { 1661 case 1: 1662 sc->sc_busmode |= BUSMODE_PBL_1LW; 1663 break; 1664 case 2: 1665 sc->sc_busmode |= BUSMODE_PBL_2LW; 1666 break; 1667 case 4: 1668 sc->sc_busmode |= BUSMODE_PBL_4LW; 1669 break; 1670 case 8: 1671 sc->sc_busmode |= BUSMODE_PBL_8LW; 1672 break; 1673 case 16: 1674 sc->sc_busmode |= BUSMODE_PBL_16LW; 1675 break; 1676 case 32: 1677 sc->sc_busmode |= BUSMODE_PBL_32LW; 1678 break; 1679 default: 1680 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1681 break; 1682 } 1683 #if BYTE_ORDER == BIG_ENDIAN 1684 /* 1685 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1686 * support them, and even on ones that do, it doesn't 1687 * always work. So we always access descriptors with 1688 * little endian via htole32/le32toh. 1689 */ 1690 #endif 1691 /* 1692 * Big-endian bus requires BUSMODE_BLE anyway. 1693 * Also, BUSMODE_DBO is needed because we assume 1694 * descriptors are little endian. 1695 */ 1696 if (sc->sc_flags & TULIPF_BLE) 1697 sc->sc_busmode |= BUSMODE_BLE; 1698 if (sc->sc_flags & TULIPF_DBO) 1699 sc->sc_busmode |= BUSMODE_DBO; 1700 1701 /* 1702 * Some chips have a broken bus interface. 1703 */ 1704 switch (sc->sc_chip) { 1705 case TULIP_CHIP_DM9102: 1706 case TULIP_CHIP_DM9102A: 1707 sc->sc_busmode = 0; 1708 break; 1709 1710 default: 1711 /* Nothing. */ 1712 } 1713 1714 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1715 1716 /* 1717 * Initialize the OPMODE register. We don't write it until 1718 * we're ready to begin the transmit and receive processes. 1719 * 1720 * Media-related OPMODE bits are set in the media callbacks 1721 * for each specific chip/board. 1722 */ 1723 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1724 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1725 1726 /* 1727 * Magical mystery initialization on the Macronix chips. 1728 * The MX98713 uses its own magic value, the rest share 1729 * a common one. 1730 */ 1731 switch (sc->sc_chip) { 1732 case TULIP_CHIP_MX98713: 1733 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1734 break; 1735 1736 case TULIP_CHIP_MX98713A: 1737 case TULIP_CHIP_MX98715: 1738 case TULIP_CHIP_MX98715A: 1739 case TULIP_CHIP_MX98715AEC_X: 1740 case TULIP_CHIP_MX98725: 1741 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1742 break; 1743 1744 default: 1745 /* Nothing. */ 1746 } 1747 1748 /* 1749 * Initialize the transmit descriptor ring. 1750 */ 1751 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1752 for (i = 0; i < TULIP_NTXDESC; i++) { 1753 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1754 sc->sc_txdescs[i].td_bufaddr2 = 1755 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1756 } 1757 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1758 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1759 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1760 sc->sc_txfree = TULIP_NTXDESC; 1761 sc->sc_txnext = 0; 1762 1763 /* 1764 * Initialize the transmit job descriptors. 1765 */ 1766 SIMPLEQ_INIT(&sc->sc_txfreeq); 1767 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1768 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1769 txs = &sc->sc_txsoft[i]; 1770 txs->txs_mbuf = NULL; 1771 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1772 } 1773 1774 /* 1775 * Initialize the receive descriptor and receive job 1776 * descriptor rings. 1777 */ 1778 for (i = 0; i < TULIP_NRXDESC; i++) { 1779 rxs = &sc->sc_rxsoft[i]; 1780 if (rxs->rxs_mbuf == NULL) { 1781 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1782 printf("%s: unable to allocate or map rx " 1783 "buffer %d, error = %d\n", 1784 sc->sc_dev.dv_xname, i, error); 1785 /* 1786 * XXX Should attempt to run with fewer receive 1787 * XXX buffers instead of just failing. 1788 */ 1789 tlp_rxdrain(sc); 1790 goto out; 1791 } 1792 } 1793 } 1794 sc->sc_rxptr = 0; 1795 1796 /* 1797 * Initialize the interrupt mask and enable interrupts. 1798 */ 1799 /* normal interrupts */ 1800 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1801 1802 /* abnormal interrupts */ 1803 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1804 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1805 1806 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1807 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1808 1809 switch (sc->sc_chip) { 1810 case TULIP_CHIP_WB89C840F: 1811 /* 1812 * Clear bits that we don't want that happen to 1813 * overlap or don't exist. 1814 */ 1815 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1816 break; 1817 1818 default: 1819 /* Nothing. */ 1820 } 1821 1822 sc->sc_rxint_mask &= sc->sc_inten; 1823 sc->sc_txint_mask &= sc->sc_inten; 1824 1825 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1826 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1827 1828 /* 1829 * Give the transmit and receive rings to the Tulip. 1830 */ 1831 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1832 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1833 1834 /* 1835 * On chips that do this differently, set the station address. 1836 */ 1837 switch (sc->sc_chip) { 1838 case TULIP_CHIP_WB89C840F: 1839 { 1840 /* XXX Do this with stream writes? */ 1841 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1842 1843 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1844 bus_space_write_1(sc->sc_st, sc->sc_sh, 1845 cpa + i, LLADDR(ifp->if_sadl)[i]); 1846 } 1847 break; 1848 } 1849 1850 case TULIP_CHIP_AL981: 1851 case TULIP_CHIP_AN983: 1852 case TULIP_CHIP_AN985: 1853 { 1854 u_int32_t reg; 1855 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1856 1857 reg = enaddr[0] | 1858 (enaddr[1] << 8) | 1859 (enaddr[2] << 16) | 1860 (enaddr[3] << 24); 1861 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1862 1863 reg = enaddr[4] | 1864 (enaddr[5] << 8); 1865 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1866 } 1867 1868 default: 1869 /* Nothing. */ 1870 } 1871 1872 /* 1873 * Set the receive filter. This will start the transmit and 1874 * receive processes. 1875 */ 1876 (*sc->sc_filter_setup)(sc); 1877 1878 /* 1879 * Set the current media. 1880 */ 1881 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1882 1883 /* 1884 * Start the receive process. 1885 */ 1886 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1887 1888 if (sc->sc_tick != NULL) { 1889 /* Start the one second clock. */ 1890 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1891 } 1892 1893 /* 1894 * Note that the interface is now running. 1895 */ 1896 ifp->if_flags |= IFF_RUNNING; 1897 ifp->if_flags &= ~IFF_OACTIVE; 1898 1899 out: 1900 if (error) { 1901 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1902 ifp->if_timer = 0; 1903 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1904 } 1905 return (error); 1906 } 1907 1908 /* 1909 * tlp_enable: 1910 * 1911 * Enable the Tulip chip. 1912 */ 1913 int 1914 tlp_enable(sc) 1915 struct tulip_softc *sc; 1916 { 1917 1918 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1919 if ((*sc->sc_enable)(sc) != 0) { 1920 printf("%s: device enable failed\n", 1921 sc->sc_dev.dv_xname); 1922 return (EIO); 1923 } 1924 sc->sc_flags |= TULIPF_ENABLED; 1925 } 1926 return (0); 1927 } 1928 1929 /* 1930 * tlp_disable: 1931 * 1932 * Disable the Tulip chip. 1933 */ 1934 void 1935 tlp_disable(sc) 1936 struct tulip_softc *sc; 1937 { 1938 1939 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1940 (*sc->sc_disable)(sc); 1941 sc->sc_flags &= ~TULIPF_ENABLED; 1942 } 1943 } 1944 1945 /* 1946 * tlp_power: 1947 * 1948 * Power management (suspend/resume) hook. 1949 */ 1950 void 1951 tlp_power(why, arg) 1952 int why; 1953 void *arg; 1954 { 1955 struct tulip_softc *sc = arg; 1956 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1957 int s; 1958 1959 s = splnet(); 1960 switch (why) { 1961 case PWR_SUSPEND: 1962 case PWR_STANDBY: 1963 tlp_stop(ifp, 0); 1964 if (sc->sc_power != NULL) 1965 (*sc->sc_power)(sc, why); 1966 break; 1967 case PWR_RESUME: 1968 if (ifp->if_flags & IFF_UP) { 1969 if (sc->sc_power != NULL) 1970 (*sc->sc_power)(sc, why); 1971 tlp_init(ifp); 1972 } 1973 break; 1974 case PWR_SOFTSUSPEND: 1975 case PWR_SOFTSTANDBY: 1976 case PWR_SOFTRESUME: 1977 break; 1978 } 1979 splx(s); 1980 } 1981 1982 /* 1983 * tlp_rxdrain: 1984 * 1985 * Drain the receive queue. 1986 */ 1987 void 1988 tlp_rxdrain(sc) 1989 struct tulip_softc *sc; 1990 { 1991 struct tulip_rxsoft *rxs; 1992 int i; 1993 1994 for (i = 0; i < TULIP_NRXDESC; i++) { 1995 rxs = &sc->sc_rxsoft[i]; 1996 if (rxs->rxs_mbuf != NULL) { 1997 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1998 m_freem(rxs->rxs_mbuf); 1999 rxs->rxs_mbuf = NULL; 2000 } 2001 } 2002 } 2003 2004 /* 2005 * tlp_stop: [ ifnet interface function ] 2006 * 2007 * Stop transmission on the interface. 2008 */ 2009 void 2010 tlp_stop(ifp, disable) 2011 struct ifnet *ifp; 2012 int disable; 2013 { 2014 struct tulip_softc *sc = ifp->if_softc; 2015 struct tulip_txsoft *txs; 2016 2017 if (sc->sc_tick != NULL) { 2018 /* Stop the one second clock. */ 2019 callout_stop(&sc->sc_tick_callout); 2020 } 2021 2022 if (sc->sc_flags & TULIPF_HAS_MII) { 2023 /* Down the MII. */ 2024 mii_down(&sc->sc_mii); 2025 } 2026 2027 /* Disable interrupts. */ 2028 TULIP_WRITE(sc, CSR_INTEN, 0); 2029 2030 /* Stop the transmit and receive processes. */ 2031 sc->sc_opmode = 0; 2032 TULIP_WRITE(sc, CSR_OPMODE, 0); 2033 TULIP_WRITE(sc, CSR_RXLIST, 0); 2034 TULIP_WRITE(sc, CSR_TXLIST, 0); 2035 2036 /* 2037 * Release any queued transmit buffers. 2038 */ 2039 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2040 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2041 if (txs->txs_mbuf != NULL) { 2042 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2043 m_freem(txs->txs_mbuf); 2044 txs->txs_mbuf = NULL; 2045 } 2046 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2047 } 2048 2049 if (disable) { 2050 tlp_rxdrain(sc); 2051 tlp_disable(sc); 2052 } 2053 2054 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2055 2056 /* 2057 * Mark the interface down and cancel the watchdog timer. 2058 */ 2059 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2060 ifp->if_timer = 0; 2061 } 2062 2063 #define SROM_EMIT(sc, x) \ 2064 do { \ 2065 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2066 delay(2); \ 2067 } while (0) 2068 2069 /* 2070 * tlp_srom_idle: 2071 * 2072 * Put the SROM in idle state. 2073 */ 2074 void 2075 tlp_srom_idle(sc) 2076 struct tulip_softc *sc; 2077 { 2078 u_int32_t miirom; 2079 int i; 2080 2081 miirom = MIIROM_SR; 2082 SROM_EMIT(sc, miirom); 2083 2084 miirom |= MIIROM_RD; 2085 SROM_EMIT(sc, miirom); 2086 2087 miirom |= MIIROM_SROMCS; 2088 SROM_EMIT(sc, miirom); 2089 2090 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2091 2092 /* Strobe the clock 32 times. */ 2093 for (i = 0; i < 32; i++) { 2094 SROM_EMIT(sc, miirom); 2095 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2096 } 2097 2098 SROM_EMIT(sc, miirom); 2099 2100 miirom &= ~MIIROM_SROMCS; 2101 SROM_EMIT(sc, miirom); 2102 2103 SROM_EMIT(sc, 0); 2104 } 2105 2106 /* 2107 * tlp_srom_size: 2108 * 2109 * Determine the number of address bits in the SROM. 2110 */ 2111 int 2112 tlp_srom_size(sc) 2113 struct tulip_softc *sc; 2114 { 2115 u_int32_t miirom; 2116 int x; 2117 2118 /* Select the SROM. */ 2119 miirom = MIIROM_SR; 2120 SROM_EMIT(sc, miirom); 2121 2122 miirom |= MIIROM_RD; 2123 SROM_EMIT(sc, miirom); 2124 2125 /* Send CHIP SELECT for one clock tick. */ 2126 miirom |= MIIROM_SROMCS; 2127 SROM_EMIT(sc, miirom); 2128 2129 /* Shift in the READ opcode. */ 2130 for (x = 3; x > 0; x--) { 2131 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2132 miirom |= MIIROM_SROMDI; 2133 else 2134 miirom &= ~MIIROM_SROMDI; 2135 SROM_EMIT(sc, miirom); 2136 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2137 SROM_EMIT(sc, miirom); 2138 } 2139 2140 /* Shift in address and look for dummy 0 bit. */ 2141 for (x = 1; x <= 12; x++) { 2142 miirom &= ~MIIROM_SROMDI; 2143 SROM_EMIT(sc, miirom); 2144 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2145 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2146 break; 2147 SROM_EMIT(sc, miirom); 2148 } 2149 2150 /* Clear CHIP SELECT. */ 2151 miirom &= ~MIIROM_SROMCS; 2152 SROM_EMIT(sc, miirom); 2153 2154 /* Deselect the SROM. */ 2155 SROM_EMIT(sc, 0); 2156 2157 if (x < 4 || x > 12) { 2158 printf("%s: broken MicroWire interface detected; " 2159 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2160 return (6); 2161 } else { 2162 if (tlp_srom_debug) 2163 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2164 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2165 return (x); 2166 } 2167 } 2168 2169 /* 2170 * tlp_read_srom: 2171 * 2172 * Read the Tulip SROM. 2173 */ 2174 int 2175 tlp_read_srom(sc) 2176 struct tulip_softc *sc; 2177 { 2178 int size; 2179 u_int32_t miirom; 2180 u_int16_t datain; 2181 int i, x; 2182 2183 tlp_srom_idle(sc); 2184 2185 sc->sc_srom_addrbits = tlp_srom_size(sc); 2186 if (sc->sc_srom_addrbits == 0) 2187 return (0); 2188 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2189 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2190 2191 /* Select the SROM. */ 2192 miirom = MIIROM_SR; 2193 SROM_EMIT(sc, miirom); 2194 2195 miirom |= MIIROM_RD; 2196 SROM_EMIT(sc, miirom); 2197 2198 for (i = 0; i < size; i += 2) { 2199 /* Send CHIP SELECT for one clock tick. */ 2200 miirom |= MIIROM_SROMCS; 2201 SROM_EMIT(sc, miirom); 2202 2203 /* Shift in the READ opcode. */ 2204 for (x = 3; x > 0; x--) { 2205 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2206 miirom |= MIIROM_SROMDI; 2207 else 2208 miirom &= ~MIIROM_SROMDI; 2209 SROM_EMIT(sc, miirom); 2210 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2211 SROM_EMIT(sc, miirom); 2212 } 2213 2214 /* Shift in address. */ 2215 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2216 if (i & (1 << x)) 2217 miirom |= MIIROM_SROMDI; 2218 else 2219 miirom &= ~MIIROM_SROMDI; 2220 SROM_EMIT(sc, miirom); 2221 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2222 SROM_EMIT(sc, miirom); 2223 } 2224 2225 /* Shift out data. */ 2226 miirom &= ~MIIROM_SROMDI; 2227 datain = 0; 2228 for (x = 16; x > 0; x--) { 2229 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2230 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2231 datain |= (1 << (x - 1)); 2232 SROM_EMIT(sc, miirom); 2233 } 2234 sc->sc_srom[i] = datain & 0xff; 2235 sc->sc_srom[i + 1] = datain >> 8; 2236 2237 /* Clear CHIP SELECT. */ 2238 miirom &= ~MIIROM_SROMCS; 2239 SROM_EMIT(sc, miirom); 2240 } 2241 2242 /* Deselect the SROM. */ 2243 SROM_EMIT(sc, 0); 2244 2245 /* ...and idle it. */ 2246 tlp_srom_idle(sc); 2247 2248 if (tlp_srom_debug) { 2249 printf("SROM CONTENTS:"); 2250 for (i = 0; i < size; i++) { 2251 if ((i % 8) == 0) 2252 printf("\n\t"); 2253 printf("0x%02x ", sc->sc_srom[i]); 2254 } 2255 printf("\n"); 2256 } 2257 2258 return (1); 2259 } 2260 2261 #undef SROM_EMIT 2262 2263 /* 2264 * tlp_add_rxbuf: 2265 * 2266 * Add a receive buffer to the indicated descriptor. 2267 */ 2268 int 2269 tlp_add_rxbuf(sc, idx) 2270 struct tulip_softc *sc; 2271 int idx; 2272 { 2273 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2274 struct mbuf *m; 2275 int error; 2276 2277 MGETHDR(m, M_DONTWAIT, MT_DATA); 2278 if (m == NULL) 2279 return (ENOBUFS); 2280 2281 MCLGET(m, M_DONTWAIT); 2282 if ((m->m_flags & M_EXT) == 0) { 2283 m_freem(m); 2284 return (ENOBUFS); 2285 } 2286 2287 if (rxs->rxs_mbuf != NULL) 2288 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2289 2290 rxs->rxs_mbuf = m; 2291 2292 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2293 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2294 if (error) { 2295 printf("%s: can't load rx DMA map %d, error = %d\n", 2296 sc->sc_dev.dv_xname, idx, error); 2297 panic("tlp_add_rxbuf"); /* XXX */ 2298 } 2299 2300 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2301 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2302 2303 TULIP_INIT_RXDESC(sc, idx); 2304 2305 return (0); 2306 } 2307 2308 /* 2309 * tlp_srom_crcok: 2310 * 2311 * Check the CRC of the Tulip SROM. 2312 */ 2313 int 2314 tlp_srom_crcok(romdata) 2315 const u_int8_t *romdata; 2316 { 2317 u_int32_t crc; 2318 2319 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2320 crc = (crc & 0xffff) ^ 0xffff; 2321 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2322 return (1); 2323 2324 /* 2325 * Try an alternate checksum. 2326 */ 2327 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2328 crc = (crc & 0xffff) ^ 0xffff; 2329 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2330 return (1); 2331 2332 return (0); 2333 } 2334 2335 /* 2336 * tlp_isv_srom: 2337 * 2338 * Check to see if the SROM is in the new standardized format. 2339 */ 2340 int 2341 tlp_isv_srom(romdata) 2342 const u_int8_t *romdata; 2343 { 2344 int i; 2345 u_int16_t cksum; 2346 2347 if (tlp_srom_crcok(romdata)) { 2348 /* 2349 * SROM CRC checks out; must be in the new format. 2350 */ 2351 return (1); 2352 } 2353 2354 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2355 if (cksum == 0xffff || cksum == 0) { 2356 /* 2357 * No checksum present. Check the SROM ID; 18 bytes of 0 2358 * followed by 1 (version) followed by the number of 2359 * adapters which use this SROM (should be non-zero). 2360 */ 2361 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2362 if (romdata[i] != 0) 2363 return (0); 2364 } 2365 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2366 return (0); 2367 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2368 return (0); 2369 return (1); 2370 } 2371 2372 return (0); 2373 } 2374 2375 /* 2376 * tlp_isv_srom_enaddr: 2377 * 2378 * Get the Ethernet address from an ISV SROM. 2379 */ 2380 int 2381 tlp_isv_srom_enaddr(sc, enaddr) 2382 struct tulip_softc *sc; 2383 u_int8_t *enaddr; 2384 { 2385 int i, devcnt; 2386 2387 if (tlp_isv_srom(sc->sc_srom) == 0) 2388 return (0); 2389 2390 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2391 for (i = 0; i < devcnt; i++) { 2392 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2393 break; 2394 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2395 sc->sc_devno) 2396 break; 2397 } 2398 2399 if (i == devcnt) 2400 return (0); 2401 2402 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2403 ETHER_ADDR_LEN); 2404 enaddr[5] += i; 2405 2406 return (1); 2407 } 2408 2409 /* 2410 * tlp_parse_old_srom: 2411 * 2412 * Parse old-format SROMs. 2413 * 2414 * This routine is largely lifted from Matt Thomas's `de' driver. 2415 */ 2416 int 2417 tlp_parse_old_srom(sc, enaddr) 2418 struct tulip_softc *sc; 2419 u_int8_t *enaddr; 2420 { 2421 static const u_int8_t testpat[] = 2422 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2423 int i; 2424 u_int32_t cksum; 2425 2426 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2427 /* 2428 * Some vendors (e.g. ZNYX) don't use the standard 2429 * DEC Address ROM format, but rather just have an 2430 * Ethernet address in the first 6 bytes, maybe a 2431 * 2 byte checksum, and then all 0xff's. 2432 * 2433 * On the other hand, Cobalt Networks interfaces 2434 * simply have the address in the first six bytes 2435 * with the rest zeroed out. 2436 */ 2437 for (i = 8; i < 32; i++) { 2438 if (sc->sc_srom[i] != 0xff && 2439 sc->sc_srom[i] != 0) 2440 return (0); 2441 } 2442 2443 /* 2444 * Sanity check the Ethernet address: 2445 * 2446 * - Make sure it's not multicast or locally 2447 * assigned 2448 * - Make sure it has a non-0 OUI 2449 */ 2450 if (sc->sc_srom[0] & 3) 2451 return (0); 2452 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2453 sc->sc_srom[2] == 0) 2454 return (0); 2455 2456 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2457 return (1); 2458 } 2459 2460 /* 2461 * Standard DEC Address ROM test. 2462 */ 2463 2464 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2465 return (0); 2466 2467 for (i = 0; i < 8; i++) { 2468 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2469 return (0); 2470 } 2471 2472 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2473 2474 cksum = *(u_int16_t *) &enaddr[0]; 2475 2476 cksum <<= 1; 2477 if (cksum > 0xffff) 2478 cksum -= 0xffff; 2479 2480 cksum += *(u_int16_t *) &enaddr[2]; 2481 if (cksum > 0xffff) 2482 cksum -= 0xffff; 2483 2484 cksum <<= 1; 2485 if (cksum > 0xffff) 2486 cksum -= 0xffff; 2487 2488 cksum += *(u_int16_t *) &enaddr[4]; 2489 if (cksum >= 0xffff) 2490 cksum -= 0xffff; 2491 2492 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2493 return (0); 2494 2495 return (1); 2496 } 2497 2498 /* 2499 * tlp_filter_setup: 2500 * 2501 * Set the Tulip's receive filter. 2502 */ 2503 void 2504 tlp_filter_setup(sc) 2505 struct tulip_softc *sc; 2506 { 2507 struct ethercom *ec = &sc->sc_ethercom; 2508 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2509 struct ether_multi *enm; 2510 struct ether_multistep step; 2511 __volatile u_int32_t *sp; 2512 struct tulip_txsoft *txs; 2513 u_int8_t enaddr[ETHER_ADDR_LEN]; 2514 u_int32_t hash, hashsize; 2515 int cnt; 2516 2517 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2518 sc->sc_dev.dv_xname, sc->sc_flags)); 2519 2520 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2521 2522 /* 2523 * If there are transmissions pending, wait until they have 2524 * completed. 2525 */ 2526 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2527 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2528 sc->sc_flags |= TULIPF_WANT_SETUP; 2529 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2530 sc->sc_dev.dv_xname)); 2531 return; 2532 } 2533 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2534 2535 switch (sc->sc_chip) { 2536 case TULIP_CHIP_82C115: 2537 hashsize = TULIP_PNICII_HASHSIZE; 2538 break; 2539 2540 default: 2541 hashsize = TULIP_MCHASHSIZE; 2542 } 2543 2544 /* 2545 * If we're running, idle the transmit and receive engines. If 2546 * we're NOT running, we're being called from tlp_init(), and our 2547 * writing OPMODE will start the transmit and receive processes 2548 * in motion. 2549 */ 2550 if (ifp->if_flags & IFF_RUNNING) 2551 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2552 2553 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2554 2555 if (ifp->if_flags & IFF_PROMISC) { 2556 sc->sc_opmode |= OPMODE_PR; 2557 goto allmulti; 2558 } 2559 2560 /* 2561 * Try Perfect filtering first. 2562 */ 2563 2564 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2565 sp = TULIP_CDSP(sc); 2566 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2567 cnt = 0; 2568 ETHER_FIRST_MULTI(step, ec, enm); 2569 while (enm != NULL) { 2570 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2571 /* 2572 * We must listen to a range of multicast addresses. 2573 * For now, just accept all multicasts, rather than 2574 * trying to set only those filter bits needed to match 2575 * the range. (At this time, the only use of address 2576 * ranges is for IP multicast routing, for which the 2577 * range is big enough to require all bits set.) 2578 */ 2579 goto allmulti; 2580 } 2581 if (cnt == (TULIP_MAXADDRS - 2)) { 2582 /* 2583 * We already have our multicast limit (still need 2584 * our station address and broadcast). Go to 2585 * Hash-Perfect mode. 2586 */ 2587 goto hashperfect; 2588 } 2589 cnt++; 2590 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2591 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2592 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2593 ETHER_NEXT_MULTI(step, enm); 2594 } 2595 2596 if (ifp->if_flags & IFF_BROADCAST) { 2597 /* ...and the broadcast address. */ 2598 cnt++; 2599 *sp++ = TULIP_SP_FIELD_C(0xffff); 2600 *sp++ = TULIP_SP_FIELD_C(0xffff); 2601 *sp++ = TULIP_SP_FIELD_C(0xffff); 2602 } 2603 2604 /* Pad the rest with our station address. */ 2605 for (; cnt < TULIP_MAXADDRS; cnt++) { 2606 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2607 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2608 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2609 } 2610 ifp->if_flags &= ~IFF_ALLMULTI; 2611 goto setit; 2612 2613 hashperfect: 2614 /* 2615 * Try Hash-Perfect mode. 2616 */ 2617 2618 /* 2619 * Some 21140 chips have broken Hash-Perfect modes. On these 2620 * chips, we simply use Hash-Only mode, and put our station 2621 * address into the filter. 2622 */ 2623 if (sc->sc_chip == TULIP_CHIP_21140) 2624 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2625 else 2626 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2627 sp = TULIP_CDSP(sc); 2628 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2629 ETHER_FIRST_MULTI(step, ec, enm); 2630 while (enm != NULL) { 2631 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2632 /* 2633 * We must listen to a range of multicast addresses. 2634 * For now, just accept all multicasts, rather than 2635 * trying to set only those filter bits needed to match 2636 * the range. (At this time, the only use of address 2637 * ranges is for IP multicast routing, for which the 2638 * range is big enough to require all bits set.) 2639 */ 2640 goto allmulti; 2641 } 2642 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2643 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2644 ETHER_NEXT_MULTI(step, enm); 2645 } 2646 2647 if (ifp->if_flags & IFF_BROADCAST) { 2648 /* ...and the broadcast address. */ 2649 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2650 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2651 } 2652 2653 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2654 /* ...and our station address. */ 2655 hash = tlp_mchash(enaddr, hashsize); 2656 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2657 } else { 2658 /* 2659 * Hash-Perfect mode; put our station address after 2660 * the hash table. 2661 */ 2662 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2663 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2664 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2665 } 2666 ifp->if_flags &= ~IFF_ALLMULTI; 2667 goto setit; 2668 2669 allmulti: 2670 /* 2671 * Use Perfect filter mode. First address is the broadcast address, 2672 * and pad the rest with our station address. We'll set Pass-all- 2673 * multicast in OPMODE below. 2674 */ 2675 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2676 sp = TULIP_CDSP(sc); 2677 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2678 cnt = 0; 2679 if (ifp->if_flags & IFF_BROADCAST) { 2680 cnt++; 2681 *sp++ = TULIP_SP_FIELD_C(0xffff); 2682 *sp++ = TULIP_SP_FIELD_C(0xffff); 2683 *sp++ = TULIP_SP_FIELD_C(0xffff); 2684 } 2685 for (; cnt < TULIP_MAXADDRS; cnt++) { 2686 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2687 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2688 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2689 } 2690 ifp->if_flags |= IFF_ALLMULTI; 2691 2692 setit: 2693 if (ifp->if_flags & IFF_ALLMULTI) 2694 sc->sc_opmode |= OPMODE_PM; 2695 2696 /* Sync the setup packet buffer. */ 2697 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2698 2699 /* 2700 * Fill in the setup packet descriptor. 2701 */ 2702 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2703 2704 txs->txs_firstdesc = sc->sc_txnext; 2705 txs->txs_lastdesc = sc->sc_txnext; 2706 txs->txs_ndescs = 1; 2707 txs->txs_mbuf = NULL; 2708 2709 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2710 htole32(TULIP_CDSPADDR(sc)); 2711 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2712 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2713 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2714 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2715 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2716 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2717 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2718 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2719 2720 /* Advance the tx pointer. */ 2721 sc->sc_txfree -= 1; 2722 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2723 2724 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2725 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2726 2727 /* 2728 * Set the OPMODE register. This will also resume the 2729 * transmit transmit process we idled above. 2730 */ 2731 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2732 2733 sc->sc_flags |= TULIPF_DOING_SETUP; 2734 2735 /* 2736 * Kick the transmitter; this will cause the Tulip to 2737 * read the setup descriptor. 2738 */ 2739 /* XXX USE AUTOPOLLING? */ 2740 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2741 2742 /* Set up a watchdog timer in case the chip flakes out. */ 2743 ifp->if_timer = 5; 2744 2745 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2746 } 2747 2748 /* 2749 * tlp_winb_filter_setup: 2750 * 2751 * Set the Winbond 89C840F's receive filter. 2752 */ 2753 void 2754 tlp_winb_filter_setup(sc) 2755 struct tulip_softc *sc; 2756 { 2757 struct ethercom *ec = &sc->sc_ethercom; 2758 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2759 struct ether_multi *enm; 2760 struct ether_multistep step; 2761 u_int32_t hash, mchash[2]; 2762 2763 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2764 sc->sc_dev.dv_xname, sc->sc_flags)); 2765 2766 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2767 2768 if (ifp->if_flags & IFF_MULTICAST) 2769 sc->sc_opmode |= OPMODE_WINB_AMP; 2770 2771 if (ifp->if_flags & IFF_BROADCAST) 2772 sc->sc_opmode |= OPMODE_WINB_ABP; 2773 2774 if (ifp->if_flags & IFF_PROMISC) { 2775 sc->sc_opmode |= OPMODE_WINB_APP; 2776 goto allmulti; 2777 } 2778 2779 mchash[0] = mchash[1] = 0; 2780 2781 ETHER_FIRST_MULTI(step, ec, enm); 2782 while (enm != NULL) { 2783 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2784 /* 2785 * We must listen to a range of multicast addresses. 2786 * For now, just accept all multicasts, rather than 2787 * trying to set only those filter bits needed to match 2788 * the range. (At this time, the only use of address 2789 * ranges is for IP multicast routing, for which the 2790 * range is big enough to require all bits set.) 2791 */ 2792 goto allmulti; 2793 } 2794 2795 /* 2796 * According to the FreeBSD `wb' driver, yes, you 2797 * really do invert the hash. 2798 */ 2799 hash = 2800 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2801 & 0x3f; 2802 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2803 ETHER_NEXT_MULTI(step, enm); 2804 } 2805 ifp->if_flags &= ~IFF_ALLMULTI; 2806 goto setit; 2807 2808 allmulti: 2809 ifp->if_flags |= IFF_ALLMULTI; 2810 mchash[0] = mchash[1] = 0xffffffff; 2811 2812 setit: 2813 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2814 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2815 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2816 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2817 sc->sc_dev.dv_xname)); 2818 } 2819 2820 /* 2821 * tlp_al981_filter_setup: 2822 * 2823 * Set the ADMtek AL981's receive filter. 2824 */ 2825 void 2826 tlp_al981_filter_setup(sc) 2827 struct tulip_softc *sc; 2828 { 2829 struct ethercom *ec = &sc->sc_ethercom; 2830 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2831 struct ether_multi *enm; 2832 struct ether_multistep step; 2833 u_int32_t hash, mchash[2]; 2834 2835 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2836 sc->sc_dev.dv_xname, sc->sc_flags)); 2837 2838 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2839 2840 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2841 2842 if (ifp->if_flags & IFF_PROMISC) { 2843 sc->sc_opmode |= OPMODE_PR; 2844 goto allmulti; 2845 } 2846 2847 mchash[0] = mchash[1] = 0; 2848 2849 ETHER_FIRST_MULTI(step, ec, enm); 2850 while (enm != NULL) { 2851 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2852 /* 2853 * We must listen to a range of multicast addresses. 2854 * For now, just accept all multicasts, rather than 2855 * trying to set only those filter bits needed to match 2856 * the range. (At this time, the only use of address 2857 * ranges is for IP multicast routing, for which the 2858 * range is big enough to require all bits set.) 2859 */ 2860 goto allmulti; 2861 } 2862 2863 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2864 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2865 ETHER_NEXT_MULTI(step, enm); 2866 } 2867 ifp->if_flags &= ~IFF_ALLMULTI; 2868 goto setit; 2869 2870 allmulti: 2871 ifp->if_flags |= IFF_ALLMULTI; 2872 mchash[0] = mchash[1] = 0xffffffff; 2873 2874 setit: 2875 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2876 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2877 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2878 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2879 sc->sc_dev.dv_xname)); 2880 } 2881 2882 /* 2883 * tlp_idle: 2884 * 2885 * Cause the transmit and/or receive processes to go idle. 2886 */ 2887 void 2888 tlp_idle(sc, bits) 2889 struct tulip_softc *sc; 2890 u_int32_t bits; 2891 { 2892 static const char *tlp_tx_state_names[] = { 2893 "STOPPED", 2894 "RUNNING - FETCH", 2895 "RUNNING - WAIT", 2896 "RUNNING - READING", 2897 "-- RESERVED --", 2898 "RUNNING - SETUP", 2899 "SUSPENDED", 2900 "RUNNING - CLOSE", 2901 }; 2902 static const char *tlp_rx_state_names[] = { 2903 "STOPPED", 2904 "RUNNING - FETCH", 2905 "RUNNING - CHECK", 2906 "RUNNING - WAIT", 2907 "SUSPENDED", 2908 "RUNNING - CLOSE", 2909 "RUNNING - FLUSH", 2910 "RUNNING - QUEUE", 2911 }; 2912 static const char *dm9102_tx_state_names[] = { 2913 "STOPPED", 2914 "RUNNING - FETCH", 2915 "RUNNING - SETUP", 2916 "RUNNING - READING", 2917 "RUNNING - CLOSE - CLEAR OWNER", 2918 "RUNNING - WAIT", 2919 "RUNNING - CLOSE - WRITE STATUS", 2920 "SUSPENDED", 2921 }; 2922 static const char *dm9102_rx_state_names[] = { 2923 "STOPPED", 2924 "RUNNING - FETCH", 2925 "RUNNING - WAIT", 2926 "RUNNING - QUEUE", 2927 "RUNNING - CLOSE - CLEAR OWNER", 2928 "RUNNING - CLOSE - WRITE STATUS", 2929 "SUSPENDED", 2930 "RUNNING - FLUSH", 2931 }; 2932 2933 const char **tx_state_names, **rx_state_names; 2934 u_int32_t csr, ackmask = 0; 2935 int i; 2936 2937 switch (sc->sc_chip) { 2938 case TULIP_CHIP_DM9102: 2939 case TULIP_CHIP_DM9102A: 2940 tx_state_names = dm9102_tx_state_names; 2941 rx_state_names = dm9102_rx_state_names; 2942 break; 2943 2944 default: 2945 tx_state_names = tlp_tx_state_names; 2946 rx_state_names = tlp_rx_state_names; 2947 break; 2948 } 2949 2950 if (bits & OPMODE_ST) 2951 ackmask |= STATUS_TPS; 2952 2953 if (bits & OPMODE_SR) 2954 ackmask |= STATUS_RPS; 2955 2956 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2957 2958 for (i = 0; i < 1000; i++) { 2959 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2960 break; 2961 delay(10); 2962 } 2963 2964 csr = TULIP_READ(sc, CSR_STATUS); 2965 if ((csr & ackmask) != ackmask) { 2966 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2967 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2968 printf("%s: transmit process failed to idle: " 2969 "state %s\n", sc->sc_dev.dv_xname, 2970 tx_state_names[(csr & STATUS_TS) >> 20]); 2971 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2972 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2973 printf("%s: receive process failed to idle: " 2974 "state %s\n", sc->sc_dev.dv_xname, 2975 rx_state_names[(csr & STATUS_RS) >> 17]); 2976 } 2977 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2978 } 2979 2980 /***************************************************************************** 2981 * Generic media support functions. 2982 *****************************************************************************/ 2983 2984 /* 2985 * tlp_mediastatus: [ifmedia interface function] 2986 * 2987 * Query the current media. 2988 */ 2989 void 2990 tlp_mediastatus(ifp, ifmr) 2991 struct ifnet *ifp; 2992 struct ifmediareq *ifmr; 2993 { 2994 struct tulip_softc *sc = ifp->if_softc; 2995 2996 if (TULIP_IS_ENABLED(sc) == 0) { 2997 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 2998 ifmr->ifm_status = 0; 2999 return; 3000 } 3001 3002 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3003 } 3004 3005 /* 3006 * tlp_mediachange: [ifmedia interface function] 3007 * 3008 * Update the current media. 3009 */ 3010 int 3011 tlp_mediachange(ifp) 3012 struct ifnet *ifp; 3013 { 3014 struct tulip_softc *sc = ifp->if_softc; 3015 3016 if ((ifp->if_flags & IFF_UP) == 0) 3017 return (0); 3018 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3019 } 3020 3021 /***************************************************************************** 3022 * Support functions for MII-attached media. 3023 *****************************************************************************/ 3024 3025 /* 3026 * tlp_mii_tick: 3027 * 3028 * One second timer, used to tick the MII. 3029 */ 3030 void 3031 tlp_mii_tick(arg) 3032 void *arg; 3033 { 3034 struct tulip_softc *sc = arg; 3035 int s; 3036 3037 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3038 return; 3039 3040 s = splnet(); 3041 mii_tick(&sc->sc_mii); 3042 splx(s); 3043 3044 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3045 } 3046 3047 /* 3048 * tlp_mii_statchg: [mii interface function] 3049 * 3050 * Callback from PHY when media changes. 3051 */ 3052 void 3053 tlp_mii_statchg(self) 3054 struct device *self; 3055 { 3056 struct tulip_softc *sc = (struct tulip_softc *)self; 3057 3058 /* Idle the transmit and receive processes. */ 3059 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3060 3061 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3062 3063 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3064 sc->sc_opmode |= OPMODE_TTM; 3065 else 3066 sc->sc_opmode |= OPMODE_HBD; 3067 3068 if (sc->sc_mii.mii_media_active & IFM_FDX) 3069 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3070 3071 /* 3072 * Write new OPMODE bits. This also restarts the transmit 3073 * and receive processes. 3074 */ 3075 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3076 } 3077 3078 /* 3079 * tlp_winb_mii_statchg: [mii interface function] 3080 * 3081 * Callback from PHY when media changes. This version is 3082 * for the Winbond 89C840F, which has different OPMODE bits. 3083 */ 3084 void 3085 tlp_winb_mii_statchg(self) 3086 struct device *self; 3087 { 3088 struct tulip_softc *sc = (struct tulip_softc *)self; 3089 3090 /* Idle the transmit and receive processes. */ 3091 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3092 3093 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3094 3095 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3096 sc->sc_opmode |= OPMODE_WINB_FES; 3097 3098 if (sc->sc_mii.mii_media_active & IFM_FDX) 3099 sc->sc_opmode |= OPMODE_FD; 3100 3101 /* 3102 * Write new OPMODE bits. This also restarts the transmit 3103 * and receive processes. 3104 */ 3105 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3106 } 3107 3108 /* 3109 * tlp_dm9102_mii_statchg: [mii interface function] 3110 * 3111 * Callback from PHY when media changes. This version is 3112 * for the DM9102. 3113 */ 3114 void 3115 tlp_dm9102_mii_statchg(self) 3116 struct device *self; 3117 { 3118 struct tulip_softc *sc = (struct tulip_softc *)self; 3119 3120 /* 3121 * Don't idle the transmit and receive processes, here. It 3122 * seems to fail, and just causes excess noise. 3123 */ 3124 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3125 3126 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3127 sc->sc_opmode |= OPMODE_TTM; 3128 3129 if (sc->sc_mii.mii_media_active & IFM_FDX) 3130 sc->sc_opmode |= OPMODE_FD; 3131 3132 /* 3133 * Write new OPMODE bits. 3134 */ 3135 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3136 } 3137 3138 /* 3139 * tlp_mii_getmedia: 3140 * 3141 * Callback from ifmedia to request current media status. 3142 */ 3143 void 3144 tlp_mii_getmedia(sc, ifmr) 3145 struct tulip_softc *sc; 3146 struct ifmediareq *ifmr; 3147 { 3148 3149 mii_pollstat(&sc->sc_mii); 3150 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3151 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3152 } 3153 3154 /* 3155 * tlp_mii_setmedia: 3156 * 3157 * Callback from ifmedia to request new media setting. 3158 */ 3159 int 3160 tlp_mii_setmedia(sc) 3161 struct tulip_softc *sc; 3162 { 3163 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3164 3165 if (ifp->if_flags & IFF_UP) { 3166 switch (sc->sc_chip) { 3167 case TULIP_CHIP_21142: 3168 case TULIP_CHIP_21143: 3169 /* Disable the internal Nway engine. */ 3170 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3171 break; 3172 3173 default: 3174 /* Nothing. */ 3175 } 3176 mii_mediachg(&sc->sc_mii); 3177 } 3178 return (0); 3179 } 3180 3181 /* 3182 * tlp_bitbang_mii_readreg: 3183 * 3184 * Read a PHY register via bit-bang'ing the MII. 3185 */ 3186 int 3187 tlp_bitbang_mii_readreg(self, phy, reg) 3188 struct device *self; 3189 int phy, reg; 3190 { 3191 struct tulip_softc *sc = (void *) self; 3192 3193 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3194 } 3195 3196 /* 3197 * tlp_bitbang_mii_writereg: 3198 * 3199 * Write a PHY register via bit-bang'ing the MII. 3200 */ 3201 void 3202 tlp_bitbang_mii_writereg(self, phy, reg, val) 3203 struct device *self; 3204 int phy, reg, val; 3205 { 3206 struct tulip_softc *sc = (void *) self; 3207 3208 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3209 } 3210 3211 /* 3212 * tlp_sio_mii_bitbang_read: 3213 * 3214 * Read the MII serial port for the MII bit-bang module. 3215 */ 3216 u_int32_t 3217 tlp_sio_mii_bitbang_read(self) 3218 struct device *self; 3219 { 3220 struct tulip_softc *sc = (void *) self; 3221 3222 return (TULIP_READ(sc, CSR_MIIROM)); 3223 } 3224 3225 /* 3226 * tlp_sio_mii_bitbang_write: 3227 * 3228 * Write the MII serial port for the MII bit-bang module. 3229 */ 3230 void 3231 tlp_sio_mii_bitbang_write(self, val) 3232 struct device *self; 3233 u_int32_t val; 3234 { 3235 struct tulip_softc *sc = (void *) self; 3236 3237 TULIP_WRITE(sc, CSR_MIIROM, val); 3238 } 3239 3240 /* 3241 * tlp_pnic_mii_readreg: 3242 * 3243 * Read a PHY register on the Lite-On PNIC. 3244 */ 3245 int 3246 tlp_pnic_mii_readreg(self, phy, reg) 3247 struct device *self; 3248 int phy, reg; 3249 { 3250 struct tulip_softc *sc = (void *) self; 3251 u_int32_t val; 3252 int i; 3253 3254 TULIP_WRITE(sc, CSR_PNIC_MII, 3255 PNIC_MII_MBO | PNIC_MII_RESERVED | 3256 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3257 (reg << PNIC_MII_REGSHIFT)); 3258 3259 for (i = 0; i < 1000; i++) { 3260 delay(10); 3261 val = TULIP_READ(sc, CSR_PNIC_MII); 3262 if ((val & PNIC_MII_BUSY) == 0) { 3263 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3264 return (0); 3265 else 3266 return (val & PNIC_MII_DATA); 3267 } 3268 } 3269 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3270 return (0); 3271 } 3272 3273 /* 3274 * tlp_pnic_mii_writereg: 3275 * 3276 * Write a PHY register on the Lite-On PNIC. 3277 */ 3278 void 3279 tlp_pnic_mii_writereg(self, phy, reg, val) 3280 struct device *self; 3281 int phy, reg, val; 3282 { 3283 struct tulip_softc *sc = (void *) self; 3284 int i; 3285 3286 TULIP_WRITE(sc, CSR_PNIC_MII, 3287 PNIC_MII_MBO | PNIC_MII_RESERVED | 3288 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3289 (reg << PNIC_MII_REGSHIFT) | val); 3290 3291 for (i = 0; i < 1000; i++) { 3292 delay(10); 3293 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3294 return; 3295 } 3296 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3297 } 3298 3299 const bus_addr_t tlp_al981_phy_regmap[] = { 3300 CSR_ADM_BMCR, 3301 CSR_ADM_BMSR, 3302 CSR_ADM_PHYIDR1, 3303 CSR_ADM_PHYIDR2, 3304 CSR_ADM_ANAR, 3305 CSR_ADM_ANLPAR, 3306 CSR_ADM_ANER, 3307 3308 CSR_ADM_XMC, 3309 CSR_ADM_XCIIS, 3310 CSR_ADM_XIE, 3311 CSR_ADM_100CTR, 3312 }; 3313 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3314 sizeof(tlp_al981_phy_regmap[0]); 3315 3316 /* 3317 * tlp_al981_mii_readreg: 3318 * 3319 * Read a PHY register on the ADMtek AL981. 3320 */ 3321 int 3322 tlp_al981_mii_readreg(self, phy, reg) 3323 struct device *self; 3324 int phy, reg; 3325 { 3326 struct tulip_softc *sc = (struct tulip_softc *)self; 3327 3328 /* AL981 only has an internal PHY. */ 3329 if (phy != 0) 3330 return (0); 3331 3332 if (reg >= tlp_al981_phy_regmap_size) 3333 return (0); 3334 3335 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3336 tlp_al981_phy_regmap[reg]) & 0xffff); 3337 } 3338 3339 /* 3340 * tlp_al981_mii_writereg: 3341 * 3342 * Write a PHY register on the ADMtek AL981. 3343 */ 3344 void 3345 tlp_al981_mii_writereg(self, phy, reg, val) 3346 struct device *self; 3347 int phy, reg, val; 3348 { 3349 struct tulip_softc *sc = (struct tulip_softc *)self; 3350 3351 /* AL981 only has an internal PHY. */ 3352 if (phy != 0) 3353 return; 3354 3355 if (reg >= tlp_al981_phy_regmap_size) 3356 return; 3357 3358 bus_space_write_4(sc->sc_st, sc->sc_sh, 3359 tlp_al981_phy_regmap[reg], val); 3360 } 3361 3362 /***************************************************************************** 3363 * Chip-specific pre-init and reset functions. 3364 *****************************************************************************/ 3365 3366 /* 3367 * tlp_2114x_preinit: 3368 * 3369 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3370 */ 3371 void 3372 tlp_2114x_preinit(sc) 3373 struct tulip_softc *sc; 3374 { 3375 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3376 struct tulip_21x4x_media *tm = ife->ifm_aux; 3377 3378 /* 3379 * Whether or not we're in MII or SIA/SYM mode, the media info 3380 * contains the appropriate OPMODE bits. 3381 * 3382 * Note that if we have no media info, we are are doing 3383 * non-MII `auto'. 3384 * 3385 * Also, we always set the Must-Be-One bit. 3386 */ 3387 if (tm == NULL) { 3388 #ifdef DIAGNOSTIC 3389 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3390 panic("tlp_2114x_preinit: not IFM_AUTO"); 3391 if (sc->sc_nway_active == NULL) 3392 panic("tlp_2114x_preinit: nway_active NULL"); 3393 #endif 3394 tm = sc->sc_nway_active->ifm_aux; 3395 } 3396 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3397 3398 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3399 } 3400 3401 /* 3402 * tlp_2114x_mii_preinit: 3403 * 3404 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3405 * This version is used by boards which only have MII and don't have 3406 * an ISV SROM. 3407 */ 3408 void 3409 tlp_2114x_mii_preinit(sc) 3410 struct tulip_softc *sc; 3411 { 3412 3413 /* 3414 * Always set the Must-Be-One bit, and Port Select (to select MII). 3415 * We'll never be called during a media change. 3416 */ 3417 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3418 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3419 } 3420 3421 /* 3422 * tlp_pnic_preinit: 3423 * 3424 * Pre-init function for the Lite-On 82c168 and 82c169. 3425 */ 3426 void 3427 tlp_pnic_preinit(sc) 3428 struct tulip_softc *sc; 3429 { 3430 3431 if (sc->sc_flags & TULIPF_HAS_MII) { 3432 /* 3433 * MII case: just set the port-select bit; we will never 3434 * be called during a media change. 3435 */ 3436 sc->sc_opmode |= OPMODE_PS; 3437 } else { 3438 /* 3439 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3440 */ 3441 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3442 } 3443 } 3444 3445 /* 3446 * tlp_dm9102_preinit: 3447 * 3448 * Pre-init function for the Davicom DM9102. 3449 */ 3450 void 3451 tlp_dm9102_preinit(sc) 3452 struct tulip_softc *sc; 3453 { 3454 3455 switch (sc->sc_chip) { 3456 case TULIP_CHIP_DM9102: 3457 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3458 break; 3459 3460 case TULIP_CHIP_DM9102A: 3461 /* 3462 * XXX Figure out how to actually deal with the HomePNA 3463 * XXX portion of the DM9102A. 3464 */ 3465 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3466 break; 3467 3468 default: 3469 /* Nothing. */ 3470 } 3471 3472 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3473 } 3474 3475 /* 3476 * tlp_21140_reset: 3477 * 3478 * Issue a reset sequence on the 21140 via the GPIO facility. 3479 */ 3480 void 3481 tlp_21140_reset(sc) 3482 struct tulip_softc *sc; 3483 { 3484 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3485 struct tulip_21x4x_media *tm = ife->ifm_aux; 3486 int i; 3487 3488 /* First, set the direction on the GPIO pins. */ 3489 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3490 3491 /* Now, issue the reset sequence. */ 3492 for (i = 0; i < tm->tm_reset_length; i++) { 3493 delay(10); 3494 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3495 } 3496 3497 /* Now, issue the selection sequence. */ 3498 for (i = 0; i < tm->tm_gp_length; i++) { 3499 delay(10); 3500 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3501 } 3502 3503 /* If there were no sequences, just lower the pins. */ 3504 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3505 TULIP_WRITE(sc, CSR_GPP, 0); 3506 } 3507 3508 /* 3509 * tlp_21142_reset: 3510 * 3511 * Issue a reset sequence on the 21142 via the GPIO facility. 3512 */ 3513 void 3514 tlp_21142_reset(sc) 3515 struct tulip_softc *sc; 3516 { 3517 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3518 struct tulip_21x4x_media *tm = ife->ifm_aux; 3519 const u_int8_t *ncp; 3520 int i; 3521 3522 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3523 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3524 delay(10); 3525 TULIP_WRITE(sc, CSR_SIAGEN, 3526 TULIP_ROM_GETW(ncp, 0) << 16); 3527 } 3528 3529 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3530 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3531 delay(10); 3532 TULIP_WRITE(sc, CSR_SIAGEN, 3533 TULIP_ROM_GETW(ncp, 0) << 16); 3534 } 3535 3536 /* If there were no sequences, just lower the pins. */ 3537 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3538 delay(10); 3539 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3540 } 3541 } 3542 3543 /* 3544 * tlp_pmac_reset: 3545 * 3546 * Reset routine for Macronix chips. 3547 */ 3548 void 3549 tlp_pmac_reset(sc) 3550 struct tulip_softc *sc; 3551 { 3552 3553 switch (sc->sc_chip) { 3554 case TULIP_CHIP_82C115: 3555 case TULIP_CHIP_MX98715: 3556 case TULIP_CHIP_MX98715A: 3557 case TULIP_CHIP_MX98725: 3558 /* 3559 * Set the LED operating mode. This information is located 3560 * in the EEPROM at byte offset 0x77, per the MX98715A and 3561 * MX98725 application notes. 3562 */ 3563 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3564 break; 3565 case TULIP_CHIP_MX98715AEC_X: 3566 /* 3567 * Set the LED operating mode. This information is located 3568 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3569 * application note. 3570 */ 3571 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3572 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3573 break; 3574 3575 default: 3576 /* Nothing. */ 3577 } 3578 } 3579 3580 /* 3581 * tlp_dm9102_reset: 3582 * 3583 * Reset routine for the Davicom DM9102. 3584 */ 3585 void 3586 tlp_dm9102_reset(sc) 3587 struct tulip_softc *sc; 3588 { 3589 3590 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3591 delay(100); 3592 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3593 } 3594 3595 /***************************************************************************** 3596 * Chip/board-specific media switches. The ones here are ones that 3597 * are potentially common to multiple front-ends. 3598 *****************************************************************************/ 3599 3600 /* 3601 * This table is a common place for all sorts of media information, 3602 * keyed off of the SROM media code for that media. 3603 * 3604 * Note that we explicitly configure the 21142/21143 to always advertise 3605 * NWay capabilities when using the UTP port. 3606 * XXX Actually, we don't yet. 3607 */ 3608 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3609 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3610 "10baseT", 3611 0, 3612 { SIACONN_21040_10BASET, 3613 SIATXRX_21040_10BASET, 3614 SIAGEN_21040_10BASET }, 3615 3616 { SIACONN_21041_10BASET, 3617 SIATXRX_21041_10BASET, 3618 SIAGEN_21041_10BASET }, 3619 3620 { SIACONN_21142_10BASET, 3621 SIATXRX_21142_10BASET, 3622 SIAGEN_21142_10BASET } }, 3623 3624 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3625 "10base2", 3626 0, 3627 { 0, 3628 0, 3629 0 }, 3630 3631 { SIACONN_21041_BNC, 3632 SIATXRX_21041_BNC, 3633 SIAGEN_21041_BNC }, 3634 3635 { SIACONN_21142_BNC, 3636 SIATXRX_21142_BNC, 3637 SIAGEN_21142_BNC } }, 3638 3639 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3640 "10base5", 3641 0, 3642 { SIACONN_21040_AUI, 3643 SIATXRX_21040_AUI, 3644 SIAGEN_21040_AUI }, 3645 3646 { SIACONN_21041_AUI, 3647 SIATXRX_21041_AUI, 3648 SIAGEN_21041_AUI }, 3649 3650 { SIACONN_21142_AUI, 3651 SIATXRX_21142_AUI, 3652 SIAGEN_21142_AUI } }, 3653 3654 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3655 "100baseTX", 3656 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3657 { 0, 3658 0, 3659 0 }, 3660 3661 { 0, 3662 0, 3663 0 }, 3664 3665 { 0, 3666 0, 3667 SIAGEN_ABM } }, 3668 3669 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3670 "10baseT-FDX", 3671 OPMODE_FD|OPMODE_HBD, 3672 { SIACONN_21040_10BASET_FDX, 3673 SIATXRX_21040_10BASET_FDX, 3674 SIAGEN_21040_10BASET_FDX }, 3675 3676 { SIACONN_21041_10BASET_FDX, 3677 SIATXRX_21041_10BASET_FDX, 3678 SIAGEN_21041_10BASET_FDX }, 3679 3680 { SIACONN_21142_10BASET_FDX, 3681 SIATXRX_21142_10BASET_FDX, 3682 SIAGEN_21142_10BASET_FDX } }, 3683 3684 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3685 "100baseTX-FDX", 3686 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3687 { 0, 3688 0, 3689 0 }, 3690 3691 { 0, 3692 0, 3693 0 }, 3694 3695 { 0, 3696 0, 3697 SIAGEN_ABM } }, 3698 3699 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3700 "100baseT4", 3701 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3702 { 0, 3703 0, 3704 0 }, 3705 3706 { 0, 3707 0, 3708 0 }, 3709 3710 { 0, 3711 0, 3712 SIAGEN_ABM } }, 3713 3714 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3715 "100baseFX", 3716 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3717 { 0, 3718 0, 3719 0 }, 3720 3721 { 0, 3722 0, 3723 0 }, 3724 3725 { 0, 3726 0, 3727 SIAGEN_ABM } }, 3728 3729 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3730 "100baseFX-FDX", 3731 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3732 { 0, 3733 0, 3734 0 }, 3735 3736 { 0, 3737 0, 3738 0 }, 3739 3740 { 0, 3741 0, 3742 SIAGEN_ABM } }, 3743 3744 { 0, 0, 0, 3745 NULL, 3746 0, 3747 { 0, 3748 0, 3749 0 }, 3750 3751 { 0, 3752 0, 3753 0 }, 3754 3755 { 0, 3756 0, 3757 0 } }, 3758 }; 3759 3760 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3761 void tlp_srom_media_info __P((struct tulip_softc *, 3762 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3763 void tlp_add_srom_media __P((struct tulip_softc *, int, 3764 void (*)(struct tulip_softc *, struct ifmediareq *), 3765 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3766 void tlp_print_media __P((struct tulip_softc *)); 3767 void tlp_nway_activate __P((struct tulip_softc *, int)); 3768 void tlp_get_minst __P((struct tulip_softc *)); 3769 3770 const struct tulip_srom_to_ifmedia * 3771 tlp_srom_to_ifmedia(sm) 3772 u_int8_t sm; 3773 { 3774 const struct tulip_srom_to_ifmedia *tsti; 3775 3776 for (tsti = tulip_srom_to_ifmedia_table; 3777 tsti->tsti_name != NULL; tsti++) { 3778 if (tsti->tsti_srom == sm) 3779 return (tsti); 3780 } 3781 3782 return (NULL); 3783 } 3784 3785 void 3786 tlp_srom_media_info(sc, tsti, tm) 3787 struct tulip_softc *sc; 3788 const struct tulip_srom_to_ifmedia *tsti; 3789 struct tulip_21x4x_media *tm; 3790 { 3791 3792 tm->tm_name = tsti->tsti_name; 3793 tm->tm_opmode = tsti->tsti_opmode; 3794 3795 switch (sc->sc_chip) { 3796 case TULIP_CHIP_DE425: 3797 case TULIP_CHIP_21040: 3798 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3799 break; 3800 3801 case TULIP_CHIP_21041: 3802 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3803 break; 3804 3805 case TULIP_CHIP_21142: 3806 case TULIP_CHIP_21143: 3807 case TULIP_CHIP_82C115: 3808 case TULIP_CHIP_MX98715: 3809 case TULIP_CHIP_MX98715A: 3810 case TULIP_CHIP_MX98715AEC_X: 3811 case TULIP_CHIP_MX98725: 3812 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3813 break; 3814 3815 default: 3816 /* Nothing. */ 3817 } 3818 } 3819 3820 void 3821 tlp_add_srom_media(sc, type, get, set, list, cnt) 3822 struct tulip_softc *sc; 3823 int type; 3824 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3825 int (*set) __P((struct tulip_softc *)); 3826 const u_int8_t *list; 3827 int cnt; 3828 { 3829 struct tulip_21x4x_media *tm; 3830 const struct tulip_srom_to_ifmedia *tsti; 3831 int i; 3832 3833 for (i = 0; i < cnt; i++) { 3834 tsti = tlp_srom_to_ifmedia(list[i]); 3835 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3836 memset(tm, 0, sizeof(*tm)); 3837 tlp_srom_media_info(sc, tsti, tm); 3838 tm->tm_type = type; 3839 tm->tm_get = get; 3840 tm->tm_set = set; 3841 3842 ifmedia_add(&sc->sc_mii.mii_media, 3843 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3844 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3845 } 3846 } 3847 3848 void 3849 tlp_print_media(sc) 3850 struct tulip_softc *sc; 3851 { 3852 struct ifmedia_entry *ife; 3853 struct tulip_21x4x_media *tm; 3854 const char *sep = ""; 3855 3856 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3857 3858 printf("%s: ", sc->sc_dev.dv_xname); 3859 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3860 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3861 tm = ife->ifm_aux; 3862 if (tm == NULL) { 3863 #ifdef DIAGNOSTIC 3864 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3865 panic("tlp_print_media"); 3866 #endif 3867 PRINT("auto"); 3868 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3869 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3870 PRINT(tm->tm_name); 3871 } 3872 } 3873 printf("\n"); 3874 3875 #undef PRINT 3876 } 3877 3878 void 3879 tlp_nway_activate(sc, media) 3880 struct tulip_softc *sc; 3881 int media; 3882 { 3883 struct ifmedia_entry *ife; 3884 3885 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3886 #ifdef DIAGNOSTIC 3887 if (ife == NULL) 3888 panic("tlp_nway_activate"); 3889 #endif 3890 sc->sc_nway_active = ife; 3891 } 3892 3893 void 3894 tlp_get_minst(sc) 3895 struct tulip_softc *sc; 3896 { 3897 3898 if ((sc->sc_media_seen & 3899 ~((1 << TULIP_ROM_MB_21140_MII) | 3900 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3901 /* 3902 * We have not yet seen any SIA/SYM media (but are 3903 * about to; that's why we're called!), so assign 3904 * the current media instance to be the `internal media' 3905 * instance, and advance it so any MII media gets a 3906 * fresh one (used to selecting/isolating a PHY). 3907 */ 3908 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3909 } 3910 } 3911 3912 /* 3913 * SIA Utility functions. 3914 */ 3915 void tlp_sia_update_link __P((struct tulip_softc *)); 3916 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3917 int tlp_sia_set __P((struct tulip_softc *)); 3918 void tlp_sia_fixup __P((struct tulip_softc *)); 3919 3920 void 3921 tlp_sia_update_link(sc) 3922 struct tulip_softc *sc; 3923 { 3924 struct ifmedia_entry *ife; 3925 struct tulip_21x4x_media *tm; 3926 u_int32_t siastat; 3927 3928 ife = TULIP_CURRENT_MEDIA(sc); 3929 tm = ife->ifm_aux; 3930 3931 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3932 3933 siastat = TULIP_READ(sc, CSR_SIASTAT); 3934 3935 /* 3936 * Note that when we do SIA link tests, we are assuming that 3937 * the chip is really in the mode that the current media setting 3938 * reflects. If we're not, then the link tests will not be 3939 * accurate! 3940 */ 3941 switch (IFM_SUBTYPE(ife->ifm_media)) { 3942 case IFM_10_T: 3943 sc->sc_flags |= TULIPF_LINK_VALID; 3944 if ((siastat & SIASTAT_LS10) == 0) 3945 sc->sc_flags |= TULIPF_LINK_UP; 3946 break; 3947 3948 case IFM_100_TX: 3949 case IFM_100_T4: 3950 sc->sc_flags |= TULIPF_LINK_VALID; 3951 if ((siastat & SIASTAT_LS100) == 0) 3952 sc->sc_flags |= TULIPF_LINK_UP; 3953 break; 3954 } 3955 3956 switch (sc->sc_chip) { 3957 case TULIP_CHIP_21142: 3958 case TULIP_CHIP_21143: 3959 /* 3960 * On these chips, we can tell more information about 3961 * AUI/BNC. Note that the AUI/BNC selection is made 3962 * in a different register; for our purpose, it's all 3963 * AUI. 3964 */ 3965 switch (IFM_SUBTYPE(ife->ifm_media)) { 3966 case IFM_10_2: 3967 case IFM_10_5: 3968 sc->sc_flags |= TULIPF_LINK_VALID; 3969 if (siastat & SIASTAT_ARA) { 3970 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3971 sc->sc_flags |= TULIPF_LINK_UP; 3972 } 3973 break; 3974 3975 default: 3976 /* 3977 * If we're SYM media and can detect the link 3978 * via the GPIO facility, prefer that status 3979 * over LS100. 3980 */ 3981 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3982 tm->tm_actmask != 0) { 3983 sc->sc_flags = (sc->sc_flags & 3984 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 3985 if (TULIP_ISSET(sc, CSR_SIAGEN, 3986 tm->tm_actmask) == tm->tm_actdata) 3987 sc->sc_flags |= TULIPF_LINK_UP; 3988 } 3989 } 3990 break; 3991 3992 default: 3993 /* Nothing. */ 3994 } 3995 } 3996 3997 void 3998 tlp_sia_get(sc, ifmr) 3999 struct tulip_softc *sc; 4000 struct ifmediareq *ifmr; 4001 { 4002 struct ifmedia_entry *ife; 4003 4004 ifmr->ifm_status = 0; 4005 4006 tlp_sia_update_link(sc); 4007 4008 ife = TULIP_CURRENT_MEDIA(sc); 4009 4010 if (sc->sc_flags & TULIPF_LINK_VALID) 4011 ifmr->ifm_status |= IFM_AVALID; 4012 if (sc->sc_flags & TULIPF_LINK_UP) 4013 ifmr->ifm_status |= IFM_ACTIVE; 4014 ifmr->ifm_active = ife->ifm_media; 4015 } 4016 4017 void 4018 tlp_sia_fixup(sc) 4019 struct tulip_softc *sc; 4020 { 4021 struct ifmedia_entry *ife; 4022 struct tulip_21x4x_media *tm; 4023 u_int32_t siaconn, siatxrx, siagen; 4024 4025 switch (sc->sc_chip) { 4026 case TULIP_CHIP_82C115: 4027 case TULIP_CHIP_MX98713A: 4028 case TULIP_CHIP_MX98715: 4029 case TULIP_CHIP_MX98715A: 4030 case TULIP_CHIP_MX98715AEC_X: 4031 case TULIP_CHIP_MX98725: 4032 siaconn = PMAC_SIACONN_MASK; 4033 siatxrx = PMAC_SIATXRX_MASK; 4034 siagen = PMAC_SIAGEN_MASK; 4035 break; 4036 4037 default: 4038 /* No fixups required on any other chips. */ 4039 return; 4040 } 4041 4042 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4043 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4044 tm = ife->ifm_aux; 4045 if (tm == NULL) 4046 continue; 4047 4048 tm->tm_siaconn &= siaconn; 4049 tm->tm_siatxrx &= siatxrx; 4050 tm->tm_siagen &= siagen; 4051 } 4052 } 4053 4054 int 4055 tlp_sia_set(sc) 4056 struct tulip_softc *sc; 4057 { 4058 struct ifmedia_entry *ife; 4059 struct tulip_21x4x_media *tm; 4060 4061 ife = TULIP_CURRENT_MEDIA(sc); 4062 tm = ife->ifm_aux; 4063 4064 /* 4065 * XXX This appears to be necessary on a bunch of the clone chips. 4066 */ 4067 delay(20000); 4068 4069 /* 4070 * Idle the chip. 4071 */ 4072 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4073 4074 /* 4075 * Program the SIA. It's important to write in this order, 4076 * resetting the SIA first. 4077 */ 4078 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4079 delay(1000); 4080 4081 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4082 4083 switch (sc->sc_chip) { 4084 case TULIP_CHIP_21142: 4085 case TULIP_CHIP_21143: 4086 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4087 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4088 break; 4089 default: 4090 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4091 } 4092 4093 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4094 4095 /* 4096 * Set the OPMODE bits for this media and write OPMODE. 4097 * This will resume the transmit and receive processes. 4098 */ 4099 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4100 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4101 4102 return (0); 4103 } 4104 4105 /* 4106 * 21140 GPIO utility functions. 4107 */ 4108 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4109 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4110 struct ifmediareq *ifmr)); 4111 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4112 4113 void 4114 tlp_21140_gpio_update_link(sc) 4115 struct tulip_softc *sc; 4116 { 4117 struct ifmedia_entry *ife; 4118 struct tulip_21x4x_media *tm; 4119 4120 ife = TULIP_CURRENT_MEDIA(sc); 4121 tm = ife->ifm_aux; 4122 4123 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4124 4125 if (tm->tm_actmask != 0) { 4126 sc->sc_flags |= TULIPF_LINK_VALID; 4127 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4128 tm->tm_actdata) 4129 sc->sc_flags |= TULIPF_LINK_UP; 4130 } 4131 } 4132 4133 void 4134 tlp_21140_gpio_get(sc, ifmr) 4135 struct tulip_softc *sc; 4136 struct ifmediareq *ifmr; 4137 { 4138 struct ifmedia_entry *ife; 4139 4140 ifmr->ifm_status = 0; 4141 4142 tlp_21140_gpio_update_link(sc); 4143 4144 ife = TULIP_CURRENT_MEDIA(sc); 4145 4146 if (sc->sc_flags & TULIPF_LINK_VALID) 4147 ifmr->ifm_status |= IFM_AVALID; 4148 if (sc->sc_flags & TULIPF_LINK_UP) 4149 ifmr->ifm_status |= IFM_ACTIVE; 4150 ifmr->ifm_active = ife->ifm_media; 4151 } 4152 4153 int 4154 tlp_21140_gpio_set(sc) 4155 struct tulip_softc *sc; 4156 { 4157 struct ifmedia_entry *ife; 4158 struct tulip_21x4x_media *tm; 4159 4160 ife = TULIP_CURRENT_MEDIA(sc); 4161 tm = ife->ifm_aux; 4162 4163 /* 4164 * Idle the chip. 4165 */ 4166 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4167 4168 /* 4169 * Set the GPIO pins for this media, to flip any 4170 * relays, etc. 4171 */ 4172 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4173 delay(10); 4174 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4175 4176 /* 4177 * Set the OPMODE bits for this media and write OPMODE. 4178 * This will resume the transmit and receive processes. 4179 */ 4180 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4181 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4182 4183 return (0); 4184 } 4185 4186 /* 4187 * 21040 and 21041 media switches. 4188 */ 4189 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4190 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4191 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4192 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4193 4194 const struct tulip_mediasw tlp_21040_mediasw = { 4195 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4196 }; 4197 4198 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4199 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4200 }; 4201 4202 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4203 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4204 }; 4205 4206 const struct tulip_mediasw tlp_21041_mediasw = { 4207 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4208 }; 4209 4210 4211 void 4212 tlp_21040_tmsw_init(sc) 4213 struct tulip_softc *sc; 4214 { 4215 static const u_int8_t media[] = { 4216 TULIP_ROM_MB_MEDIA_TP, 4217 TULIP_ROM_MB_MEDIA_TP_FDX, 4218 TULIP_ROM_MB_MEDIA_AUI, 4219 }; 4220 struct tulip_21x4x_media *tm; 4221 4222 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4223 tlp_mediastatus); 4224 4225 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4226 4227 /* 4228 * No SROM type for External SIA. 4229 */ 4230 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4231 memset(tm, 0, sizeof(*tm)); 4232 tm->tm_name = "manual"; 4233 tm->tm_opmode = 0; 4234 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4235 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4236 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4237 ifmedia_add(&sc->sc_mii.mii_media, 4238 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4239 4240 /* 4241 * XXX Autosense not yet supported. 4242 */ 4243 4244 /* XXX This should be auto-sense. */ 4245 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4246 4247 tlp_print_media(sc); 4248 } 4249 4250 void 4251 tlp_21040_tp_tmsw_init(sc) 4252 struct tulip_softc *sc; 4253 { 4254 static const u_int8_t media[] = { 4255 TULIP_ROM_MB_MEDIA_TP, 4256 TULIP_ROM_MB_MEDIA_TP_FDX, 4257 }; 4258 4259 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4260 tlp_mediastatus); 4261 4262 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4263 4264 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4265 4266 tlp_print_media(sc); 4267 } 4268 4269 void 4270 tlp_21040_auibnc_tmsw_init(sc) 4271 struct tulip_softc *sc; 4272 { 4273 static const u_int8_t media[] = { 4274 TULIP_ROM_MB_MEDIA_AUI, 4275 }; 4276 4277 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4278 tlp_mediastatus); 4279 4280 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4281 4282 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4283 4284 tlp_print_media(sc); 4285 } 4286 4287 void 4288 tlp_21041_tmsw_init(sc) 4289 struct tulip_softc *sc; 4290 { 4291 static const u_int8_t media[] = { 4292 TULIP_ROM_MB_MEDIA_TP, 4293 TULIP_ROM_MB_MEDIA_TP_FDX, 4294 TULIP_ROM_MB_MEDIA_BNC, 4295 TULIP_ROM_MB_MEDIA_AUI, 4296 }; 4297 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4298 const struct tulip_srom_to_ifmedia *tsti; 4299 struct tulip_21x4x_media *tm; 4300 u_int16_t romdef; 4301 u_int8_t mb; 4302 4303 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4304 tlp_mediastatus); 4305 4306 if (tlp_isv_srom(sc->sc_srom) == 0) { 4307 not_isv_srom: 4308 /* 4309 * If we have a board without the standard 21041 SROM format, 4310 * we just assume all media are present and try and pick a 4311 * reasonable default. 4312 */ 4313 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4314 4315 /* 4316 * XXX Autosense not yet supported. 4317 */ 4318 4319 /* XXX This should be auto-sense. */ 4320 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4321 4322 tlp_print_media(sc); 4323 return; 4324 } 4325 4326 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4327 for (i = 0; i < devcnt; i++) { 4328 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4329 break; 4330 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4331 sc->sc_devno) 4332 break; 4333 } 4334 4335 if (i == devcnt) 4336 goto not_isv_srom; 4337 4338 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4339 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4340 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4341 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4342 4343 for (; m_cnt != 0; 4344 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4345 mb = sc->sc_srom[mb_offset]; 4346 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4347 memset(tm, 0, sizeof(*tm)); 4348 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4349 case TULIP_ROM_MB_MEDIA_TP_FDX: 4350 case TULIP_ROM_MB_MEDIA_TP: 4351 case TULIP_ROM_MB_MEDIA_BNC: 4352 case TULIP_ROM_MB_MEDIA_AUI: 4353 tsti = tlp_srom_to_ifmedia(mb & 4354 TULIP_ROM_MB_MEDIA_CODE); 4355 4356 tlp_srom_media_info(sc, tsti, tm); 4357 4358 /* 4359 * Override our default SIA settings if the 4360 * SROM contains its own. 4361 */ 4362 if (mb & TULIP_ROM_MB_EXT) { 4363 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4364 mb_offset + TULIP_ROM_MB_CSR13); 4365 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4366 mb_offset + TULIP_ROM_MB_CSR14); 4367 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4368 mb_offset + TULIP_ROM_MB_CSR15); 4369 } 4370 4371 ifmedia_add(&sc->sc_mii.mii_media, 4372 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4373 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4374 break; 4375 4376 default: 4377 printf("%s: unknown media code 0x%02x\n", 4378 sc->sc_dev.dv_xname, 4379 mb & TULIP_ROM_MB_MEDIA_CODE); 4380 free(tm, M_DEVBUF); 4381 } 4382 } 4383 4384 /* 4385 * XXX Autosense not yet supported. 4386 */ 4387 4388 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4389 TULIP_ROM_IL_SELECT_CONN_TYPE); 4390 switch (romdef) { 4391 case SELECT_CONN_TYPE_TP: 4392 case SELECT_CONN_TYPE_TP_AUTONEG: 4393 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4394 defmedia = IFM_ETHER|IFM_10_T; 4395 break; 4396 4397 case SELECT_CONN_TYPE_TP_FDX: 4398 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4399 break; 4400 4401 case SELECT_CONN_TYPE_BNC: 4402 defmedia = IFM_ETHER|IFM_10_2; 4403 break; 4404 4405 case SELECT_CONN_TYPE_AUI: 4406 defmedia = IFM_ETHER|IFM_10_5; 4407 break; 4408 #if 0 /* XXX */ 4409 case SELECT_CONN_TYPE_ASENSE: 4410 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4411 defmedia = IFM_ETHER|IFM_AUTO; 4412 break; 4413 #endif 4414 default: 4415 defmedia = 0; 4416 } 4417 4418 if (defmedia == 0) { 4419 /* 4420 * XXX We should default to auto-sense. 4421 */ 4422 defmedia = IFM_ETHER|IFM_10_T; 4423 } 4424 4425 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4426 4427 tlp_print_media(sc); 4428 } 4429 4430 /* 4431 * DECchip 2114x ISV media switch. 4432 */ 4433 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4434 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4435 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4436 4437 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4438 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4439 }; 4440 4441 void 4442 tlp_2114x_isv_tmsw_init(sc) 4443 struct tulip_softc *sc; 4444 { 4445 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4446 struct ifmedia_entry *ife; 4447 struct mii_softc *phy; 4448 struct tulip_21x4x_media *tm; 4449 const struct tulip_srom_to_ifmedia *tsti; 4450 int i, devcnt, leaf_offset, m_cnt, type, length; 4451 int defmedia, miidef; 4452 u_int16_t word; 4453 u_int8_t *cp, *ncp; 4454 4455 defmedia = miidef = 0; 4456 4457 sc->sc_mii.mii_ifp = ifp; 4458 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4459 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4460 sc->sc_mii.mii_statchg = sc->sc_statchg; 4461 4462 /* 4463 * Ignore `instance'; we may get a mixture of SIA and MII 4464 * media, and `instance' is used to isolate or select the 4465 * PHY on the MII as appropriate. Note that duplicate media 4466 * are disallowed, so ignoring `instance' is safe. 4467 */ 4468 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4469 tlp_mediastatus); 4470 4471 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4472 for (i = 0; i < devcnt; i++) { 4473 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4474 break; 4475 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4476 sc->sc_devno) 4477 break; 4478 } 4479 4480 if (i == devcnt) { 4481 printf("%s: unable to locate info leaf in SROM\n", 4482 sc->sc_dev.dv_xname); 4483 return; 4484 } 4485 4486 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4487 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4488 4489 /* XXX SELECT CONN TYPE */ 4490 4491 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4492 4493 /* 4494 * On some chips, the first thing in the Info Leaf is the 4495 * GPIO pin direction data. 4496 */ 4497 switch (sc->sc_chip) { 4498 case TULIP_CHIP_21140: 4499 case TULIP_CHIP_21140A: 4500 case TULIP_CHIP_MX98713: 4501 case TULIP_CHIP_AX88140: 4502 case TULIP_CHIP_AX88141: 4503 sc->sc_gp_dir = *cp++; 4504 break; 4505 4506 default: 4507 /* Nothing. */ 4508 } 4509 4510 /* Get the media count. */ 4511 m_cnt = *cp++; 4512 4513 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4514 /* 4515 * Determine the type and length of this media block. 4516 */ 4517 if ((*cp & 0x80) == 0) { 4518 length = 4; 4519 type = TULIP_ROM_MB_21140_GPR; 4520 } else { 4521 length = (*cp++ & 0x7f) - 1; 4522 type = *cp++ & 0x3f; 4523 } 4524 4525 /* Compute the start of the next block. */ 4526 ncp = cp + length; 4527 4528 /* Now, parse the block. */ 4529 switch (type) { 4530 case TULIP_ROM_MB_21140_GPR: 4531 tlp_get_minst(sc); 4532 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4533 4534 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4535 memset(tm, 0, sizeof(*tm)); 4536 4537 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4538 tm->tm_get = tlp_21140_gpio_get; 4539 tm->tm_set = tlp_21140_gpio_set; 4540 4541 /* First is the media type code. */ 4542 tsti = tlp_srom_to_ifmedia(cp[0] & 4543 TULIP_ROM_MB_MEDIA_CODE); 4544 if (tsti == NULL) { 4545 /* Invalid media code. */ 4546 free(tm, M_DEVBUF); 4547 break; 4548 } 4549 4550 /* Get defaults. */ 4551 tlp_srom_media_info(sc, tsti, tm); 4552 4553 /* Next is any GPIO info for this media. */ 4554 tm->tm_gpdata = cp[1]; 4555 4556 /* 4557 * Next is a word containing OPMODE information 4558 * and info on how to detect if this media is 4559 * active. 4560 */ 4561 word = TULIP_ROM_GETW(cp, 2); 4562 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4563 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4564 tm->tm_actmask = 4565 TULIP_ROM_MB_BITPOS(word); 4566 tm->tm_actdata = 4567 (word & TULIP_ROM_MB_POLARITY) ? 4568 0 : tm->tm_actmask; 4569 } 4570 4571 ifmedia_add(&sc->sc_mii.mii_media, 4572 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4573 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4574 break; 4575 4576 case TULIP_ROM_MB_21140_MII: 4577 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4578 4579 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4580 memset(tm, 0, sizeof(*tm)); 4581 4582 tm->tm_type = TULIP_ROM_MB_21140_MII; 4583 tm->tm_get = tlp_mii_getmedia; 4584 tm->tm_set = tlp_mii_setmedia; 4585 tm->tm_opmode = OPMODE_PS; 4586 4587 if (sc->sc_reset == NULL) 4588 sc->sc_reset = tlp_21140_reset; 4589 4590 /* First is the PHY number. */ 4591 tm->tm_phyno = *cp++; 4592 4593 /* Next is the MII select sequence length and offset. */ 4594 tm->tm_gp_length = *cp++; 4595 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4596 cp += tm->tm_gp_length; 4597 4598 /* Next is the MII reset sequence length and offset. */ 4599 tm->tm_reset_length = *cp++; 4600 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4601 cp += tm->tm_reset_length; 4602 4603 /* 4604 * The following items are left in the media block 4605 * that we don't particularly care about: 4606 * 4607 * capabilities W 4608 * advertisement W 4609 * full duplex W 4610 * tx threshold W 4611 * 4612 * These appear to be bits in the PHY registers, 4613 * which our MII code handles on its own. 4614 */ 4615 4616 /* 4617 * Before we probe the MII bus, we need to reset 4618 * it and issue the selection sequence. 4619 */ 4620 4621 /* Set the direction of the pins... */ 4622 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4623 4624 for (i = 0; i < tm->tm_reset_length; i++) { 4625 delay(10); 4626 TULIP_WRITE(sc, CSR_GPP, 4627 sc->sc_srom[tm->tm_reset_offset + i]); 4628 } 4629 4630 for (i = 0; i < tm->tm_gp_length; i++) { 4631 delay(10); 4632 TULIP_WRITE(sc, CSR_GPP, 4633 sc->sc_srom[tm->tm_gp_offset + i]); 4634 } 4635 4636 /* If there were no sequences, just lower the pins. */ 4637 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4638 delay(10); 4639 TULIP_WRITE(sc, CSR_GPP, 0); 4640 } 4641 4642 /* 4643 * Now, probe the MII for the PHY. Note, we know 4644 * the location of the PHY on the bus, but we don't 4645 * particularly care; the MII code just likes to 4646 * search the whole thing anyhow. 4647 */ 4648 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4649 MII_PHY_ANY, tm->tm_phyno, 0); 4650 4651 /* 4652 * Now, search for the PHY we hopefully just 4653 * configured. If it's not configured into the 4654 * kernel, we lose. The PHY's default media always 4655 * takes priority. 4656 */ 4657 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4658 phy != NULL; 4659 phy = LIST_NEXT(phy, mii_list)) 4660 if (phy->mii_offset == tm->tm_phyno) 4661 break; 4662 if (phy == NULL) { 4663 printf("%s: unable to configure MII\n", 4664 sc->sc_dev.dv_xname); 4665 break; 4666 } 4667 4668 sc->sc_flags |= TULIPF_HAS_MII; 4669 sc->sc_tick = tlp_mii_tick; 4670 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4671 phy->mii_inst); 4672 4673 /* 4674 * Okay, now that we've found the PHY and the MII 4675 * layer has added all of the media associated 4676 * with that PHY, we need to traverse the media 4677 * list, and add our `tm' to each entry's `aux' 4678 * pointer. 4679 * 4680 * We do this by looking for media with our 4681 * PHY's `instance'. 4682 */ 4683 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4684 ife != NULL; 4685 ife = TAILQ_NEXT(ife, ifm_list)) { 4686 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4687 continue; 4688 ife->ifm_aux = tm; 4689 } 4690 break; 4691 4692 case TULIP_ROM_MB_21142_SIA: 4693 tlp_get_minst(sc); 4694 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4695 4696 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4697 memset(tm, 0, sizeof(*tm)); 4698 4699 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4700 tm->tm_get = tlp_sia_get; 4701 tm->tm_set = tlp_sia_set; 4702 4703 /* First is the media type code. */ 4704 tsti = tlp_srom_to_ifmedia(cp[0] & 4705 TULIP_ROM_MB_MEDIA_CODE); 4706 if (tsti == NULL) { 4707 /* Invalid media code. */ 4708 free(tm, M_DEVBUF); 4709 break; 4710 } 4711 4712 /* Get defaults. */ 4713 tlp_srom_media_info(sc, tsti, tm); 4714 4715 /* 4716 * Override our default SIA settings if the 4717 * SROM contains its own. 4718 */ 4719 if (cp[0] & 0x40) { 4720 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4721 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4722 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4723 cp += 7; 4724 } else 4725 cp++; 4726 4727 /* Next is GPIO control/data. */ 4728 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4729 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4730 4731 ifmedia_add(&sc->sc_mii.mii_media, 4732 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4733 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4734 break; 4735 4736 case TULIP_ROM_MB_21142_MII: 4737 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4738 4739 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4740 memset(tm, 0, sizeof(*tm)); 4741 4742 tm->tm_type = TULIP_ROM_MB_21142_MII; 4743 tm->tm_get = tlp_mii_getmedia; 4744 tm->tm_set = tlp_mii_setmedia; 4745 tm->tm_opmode = OPMODE_PS; 4746 4747 if (sc->sc_reset == NULL) 4748 sc->sc_reset = tlp_21142_reset; 4749 4750 /* First is the PHY number. */ 4751 tm->tm_phyno = *cp++; 4752 4753 /* Next is the MII select sequence length and offset. */ 4754 tm->tm_gp_length = *cp++; 4755 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4756 cp += tm->tm_gp_length * 2; 4757 4758 /* Next is the MII reset sequence length and offset. */ 4759 tm->tm_reset_length = *cp++; 4760 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4761 cp += tm->tm_reset_length * 2; 4762 4763 /* 4764 * The following items are left in the media block 4765 * that we don't particularly care about: 4766 * 4767 * capabilities W 4768 * advertisement W 4769 * full duplex W 4770 * tx threshold W 4771 * MII interrupt W 4772 * 4773 * These appear to be bits in the PHY registers, 4774 * which our MII code handles on its own. 4775 */ 4776 4777 /* 4778 * Before we probe the MII bus, we need to reset 4779 * it and issue the selection sequence. 4780 */ 4781 4782 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4783 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4784 delay(10); 4785 TULIP_WRITE(sc, CSR_SIAGEN, 4786 TULIP_ROM_GETW(ncp, 0) << 16); 4787 } 4788 4789 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4790 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4791 delay(10); 4792 TULIP_WRITE(sc, CSR_SIAGEN, 4793 TULIP_ROM_GETW(ncp, 0) << 16); 4794 } 4795 4796 /* If there were no sequences, just lower the pins. */ 4797 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4798 delay(10); 4799 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4800 } 4801 4802 /* 4803 * Now, probe the MII for the PHY. Note, we know 4804 * the location of the PHY on the bus, but we don't 4805 * particularly care; the MII code just likes to 4806 * search the whole thing anyhow. 4807 */ 4808 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4809 MII_PHY_ANY, tm->tm_phyno, 0); 4810 4811 /* 4812 * Now, search for the PHY we hopefully just 4813 * configured. If it's not configured into the 4814 * kernel, we lose. The PHY's default media always 4815 * takes priority. 4816 */ 4817 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4818 phy != NULL; 4819 phy = LIST_NEXT(phy, mii_list)) 4820 if (phy->mii_offset == tm->tm_phyno) 4821 break; 4822 if (phy == NULL) { 4823 printf("%s: unable to configure MII\n", 4824 sc->sc_dev.dv_xname); 4825 break; 4826 } 4827 4828 sc->sc_flags |= TULIPF_HAS_MII; 4829 sc->sc_tick = tlp_mii_tick; 4830 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4831 phy->mii_inst); 4832 4833 /* 4834 * Okay, now that we've found the PHY and the MII 4835 * layer has added all of the media associated 4836 * with that PHY, we need to traverse the media 4837 * list, and add our `tm' to each entry's `aux' 4838 * pointer. 4839 * 4840 * We do this by looking for media with our 4841 * PHY's `instance'. 4842 */ 4843 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4844 ife != NULL; 4845 ife = TAILQ_NEXT(ife, ifm_list)) { 4846 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4847 continue; 4848 ife->ifm_aux = tm; 4849 } 4850 break; 4851 4852 case TULIP_ROM_MB_21143_SYM: 4853 tlp_get_minst(sc); 4854 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4855 4856 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4857 memset(tm, 0, sizeof(*tm)); 4858 4859 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4860 tm->tm_get = tlp_sia_get; 4861 tm->tm_set = tlp_sia_set; 4862 4863 /* First is the media type code. */ 4864 tsti = tlp_srom_to_ifmedia(cp[0] & 4865 TULIP_ROM_MB_MEDIA_CODE); 4866 if (tsti == NULL) { 4867 /* Invalid media code. */ 4868 free(tm, M_DEVBUF); 4869 break; 4870 } 4871 4872 /* Get defaults. */ 4873 tlp_srom_media_info(sc, tsti, tm); 4874 4875 /* Next is GPIO control/data. */ 4876 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4877 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4878 4879 /* 4880 * Next is a word containing OPMODE information 4881 * and info on how to detect if this media is 4882 * active. 4883 */ 4884 word = TULIP_ROM_GETW(cp, 5); 4885 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4886 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4887 tm->tm_actmask = 4888 TULIP_ROM_MB_BITPOS(word); 4889 tm->tm_actdata = 4890 (word & TULIP_ROM_MB_POLARITY) ? 4891 0 : tm->tm_actmask; 4892 } 4893 4894 ifmedia_add(&sc->sc_mii.mii_media, 4895 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4896 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4897 break; 4898 4899 case TULIP_ROM_MB_21143_RESET: 4900 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4901 break; 4902 4903 default: 4904 printf("%s: unknown ISV media block type 0x%02x\n", 4905 sc->sc_dev.dv_xname, type); 4906 } 4907 } 4908 4909 /* 4910 * Deal with the case where no media is configured. 4911 */ 4912 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4913 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4914 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4915 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4916 return; 4917 } 4918 4919 /* 4920 * Pick the default media. 4921 */ 4922 if (miidef != 0) 4923 defmedia = miidef; 4924 else { 4925 /* 4926 * XXX Pick a better default. Should come from SROM 4927 * XXX on 21140[A], and should be "auto" on 21142, 4928 * XXX 21143, and Macronix chips. 4929 */ 4930 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4931 } 4932 4933 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4934 4935 /* 4936 * Display any non-MII media we've located. 4937 */ 4938 if (sc->sc_media_seen & 4939 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4940 tlp_print_media(sc); 4941 4942 tlp_sia_fixup(sc); 4943 } 4944 4945 void 4946 tlp_2114x_isv_tmsw_get(sc, ifmr) 4947 struct tulip_softc *sc; 4948 struct ifmediareq *ifmr; 4949 { 4950 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4951 struct tulip_21x4x_media *tm = ife->ifm_aux; 4952 4953 /* 4954 * We might be polling a non-MII autosense; check for that. 4955 */ 4956 if (tm == NULL) { 4957 #ifdef DIAGNOSTIC 4958 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4959 panic("tlp_2114x_isv_tmsw_get"); 4960 #endif 4961 tm = sc->sc_nway_active->ifm_aux; 4962 } 4963 4964 (*tm->tm_get)(sc, ifmr); 4965 } 4966 4967 int 4968 tlp_2114x_isv_tmsw_set(sc) 4969 struct tulip_softc *sc; 4970 { 4971 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4972 struct tulip_21x4x_media *tm = ife->ifm_aux; 4973 4974 /* 4975 * We might be setting a non-MII autosense; check for that. 4976 */ 4977 if (tm == NULL) { 4978 #ifdef DIAGNOSTIC 4979 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4980 panic("tlp_2114x_isv_tmsw_set"); 4981 #endif 4982 /* XXX XXX XXX */ 4983 } 4984 4985 /* 4986 * Check to see if we need to reset the chip, and do it. The 4987 * reset path will get the OPMODE register right the next 4988 * time through. 4989 */ 4990 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 4991 return (tlp_init(&sc->sc_ethercom.ec_if)); 4992 4993 return ((*tm->tm_set)(sc)); 4994 } 4995 4996 /* 4997 * MII-on-SIO media switch. Handles only MII attached to the SIO. 4998 */ 4999 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5000 5001 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5002 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5003 }; 5004 5005 void 5006 tlp_sio_mii_tmsw_init(sc) 5007 struct tulip_softc *sc; 5008 { 5009 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5010 5011 /* 5012 * We don't attach any media info structures to the ifmedia 5013 * entries, so if we're using a pre-init function that needs 5014 * that info, override it to one that doesn't. 5015 */ 5016 if (sc->sc_preinit == tlp_2114x_preinit) 5017 sc->sc_preinit = tlp_2114x_mii_preinit; 5018 5019 sc->sc_mii.mii_ifp = ifp; 5020 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5021 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5022 sc->sc_mii.mii_statchg = sc->sc_statchg; 5023 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5024 tlp_mediastatus); 5025 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5026 MII_OFFSET_ANY, 0); 5027 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5028 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5029 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5030 } else { 5031 sc->sc_flags |= TULIPF_HAS_MII; 5032 sc->sc_tick = tlp_mii_tick; 5033 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5034 } 5035 } 5036 5037 /* 5038 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5039 */ 5040 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5041 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5042 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5043 5044 const struct tulip_mediasw tlp_pnic_mediasw = { 5045 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5046 }; 5047 5048 void tlp_pnic_nway_statchg __P((struct device *)); 5049 void tlp_pnic_nway_tick __P((void *)); 5050 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5051 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5052 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5053 void tlp_pnic_nway_auto_timeout __P((void *)); 5054 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5055 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5056 5057 void 5058 tlp_pnic_tmsw_init(sc) 5059 struct tulip_softc *sc; 5060 { 5061 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5062 const char *sep = ""; 5063 5064 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5065 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5066 5067 sc->sc_mii.mii_ifp = ifp; 5068 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5069 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5070 sc->sc_mii.mii_statchg = sc->sc_statchg; 5071 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5072 tlp_mediastatus); 5073 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5074 MII_OFFSET_ANY, 0); 5075 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5076 /* XXX What about AUI/BNC support? */ 5077 printf("%s: ", sc->sc_dev.dv_xname); 5078 5079 tlp_pnic_nway_reset(sc); 5080 5081 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5082 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5083 PRINT("10baseT"); 5084 5085 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5086 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5087 PRINT("10baseT-FDX"); 5088 5089 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5090 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5091 PRINT("100baseTX"); 5092 5093 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5094 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5095 PNIC_NWAY_CAP100TXFDX); 5096 PRINT("100baseTX-FDX"); 5097 5098 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5099 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5100 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5101 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5102 PRINT("auto"); 5103 5104 printf("\n"); 5105 5106 sc->sc_statchg = tlp_pnic_nway_statchg; 5107 sc->sc_tick = tlp_pnic_nway_tick; 5108 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5109 } else { 5110 sc->sc_flags |= TULIPF_HAS_MII; 5111 sc->sc_tick = tlp_mii_tick; 5112 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5113 } 5114 5115 #undef ADD 5116 #undef PRINT 5117 } 5118 5119 void 5120 tlp_pnic_tmsw_get(sc, ifmr) 5121 struct tulip_softc *sc; 5122 struct ifmediareq *ifmr; 5123 { 5124 struct mii_data *mii = &sc->sc_mii; 5125 5126 if (sc->sc_flags & TULIPF_HAS_MII) 5127 tlp_mii_getmedia(sc, ifmr); 5128 else { 5129 mii->mii_media_status = 0; 5130 mii->mii_media_active = IFM_NONE; 5131 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5132 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5133 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5134 } 5135 } 5136 5137 int 5138 tlp_pnic_tmsw_set(sc) 5139 struct tulip_softc *sc; 5140 { 5141 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5142 struct mii_data *mii = &sc->sc_mii; 5143 5144 if (sc->sc_flags & TULIPF_HAS_MII) { 5145 /* 5146 * Make sure the built-in Tx jabber timer is disabled. 5147 */ 5148 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5149 5150 return (tlp_mii_setmedia(sc)); 5151 } 5152 5153 if (ifp->if_flags & IFF_UP) { 5154 mii->mii_media_status = 0; 5155 mii->mii_media_active = IFM_NONE; 5156 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5157 } 5158 5159 return (0); 5160 } 5161 5162 void 5163 tlp_pnic_nway_statchg(self) 5164 struct device *self; 5165 { 5166 struct tulip_softc *sc = (struct tulip_softc *)self; 5167 5168 /* Idle the transmit and receive processes. */ 5169 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5170 5171 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5172 OPMODE_SCR|OPMODE_HBD); 5173 5174 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5175 sc->sc_opmode |= OPMODE_TTM; 5176 TULIP_WRITE(sc, CSR_GPP, 5177 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5178 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5179 } else { 5180 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5181 TULIP_WRITE(sc, CSR_GPP, 5182 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5183 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5184 } 5185 5186 if (sc->sc_mii.mii_media_active & IFM_FDX) 5187 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5188 5189 /* 5190 * Write new OPMODE bits. This also restarts the transmit 5191 * and receive processes. 5192 */ 5193 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5194 } 5195 5196 void 5197 tlp_pnic_nway_tick(arg) 5198 void *arg; 5199 { 5200 struct tulip_softc *sc = arg; 5201 int s; 5202 5203 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5204 return; 5205 5206 s = splnet(); 5207 tlp_pnic_nway_service(sc, MII_TICK); 5208 splx(s); 5209 5210 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5211 } 5212 5213 /* 5214 * Support for the Lite-On PNIC internal NWay block. This is constructed 5215 * somewhat like a PHY driver for simplicity. 5216 */ 5217 5218 int 5219 tlp_pnic_nway_service(sc, cmd) 5220 struct tulip_softc *sc; 5221 int cmd; 5222 { 5223 struct mii_data *mii = &sc->sc_mii; 5224 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5225 5226 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5227 return (0); 5228 5229 switch (cmd) { 5230 case MII_POLLSTAT: 5231 /* Nothing special to do here. */ 5232 break; 5233 5234 case MII_MEDIACHG: 5235 switch (IFM_SUBTYPE(ife->ifm_media)) { 5236 case IFM_AUTO: 5237 (void) tlp_pnic_nway_auto(sc, 1); 5238 break; 5239 case IFM_100_T4: 5240 /* 5241 * XXX Not supported as a manual setting right now. 5242 */ 5243 return (EINVAL); 5244 default: 5245 /* 5246 * NWAY register data is stored in the ifmedia entry. 5247 */ 5248 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5249 } 5250 break; 5251 5252 case MII_TICK: 5253 /* 5254 * Only used for autonegotiation. 5255 */ 5256 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5257 return (0); 5258 5259 /* 5260 * Check to see if we have link. If we do, we don't 5261 * need to restart the autonegotiation process. 5262 */ 5263 if (sc->sc_flags & TULIPF_LINK_UP) 5264 return (0); 5265 5266 /* 5267 * Only retry autonegotiation every 5 seconds. 5268 */ 5269 if (++sc->sc_nway_ticks != 5) 5270 return (0); 5271 5272 sc->sc_nway_ticks = 0; 5273 tlp_pnic_nway_reset(sc); 5274 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5275 return (0); 5276 break; 5277 } 5278 5279 /* Update the media status. */ 5280 tlp_pnic_nway_status(sc); 5281 5282 /* Callback if something changed. */ 5283 if ((sc->sc_nway_active == NULL || 5284 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5285 cmd == MII_MEDIACHG) { 5286 (*sc->sc_statchg)(&sc->sc_dev); 5287 tlp_nway_activate(sc, mii->mii_media_active); 5288 } 5289 return (0); 5290 } 5291 5292 void 5293 tlp_pnic_nway_reset(sc) 5294 struct tulip_softc *sc; 5295 { 5296 5297 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5298 delay(100); 5299 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5300 } 5301 5302 int 5303 tlp_pnic_nway_auto(sc, waitfor) 5304 struct tulip_softc *sc; 5305 int waitfor; 5306 { 5307 struct mii_data *mii = &sc->sc_mii; 5308 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5309 u_int32_t reg; 5310 int i; 5311 5312 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5313 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5314 5315 if (waitfor) { 5316 /* Wait 500ms for it to complete. */ 5317 for (i = 0; i < 500; i++) { 5318 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5319 if (reg & PNIC_NWAY_LPAR_MASK) { 5320 tlp_pnic_nway_acomp(sc); 5321 return (0); 5322 } 5323 delay(1000); 5324 } 5325 #if 0 5326 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5327 printf("%s: autonegotiation failed to complete\n", 5328 sc->sc_dev.dv_xname); 5329 #endif 5330 5331 /* 5332 * Don't need to worry about clearing DOINGAUTO. 5333 * If that's set, a timeout is pending, and it will 5334 * clear the flag. 5335 */ 5336 return (EIO); 5337 } 5338 5339 /* 5340 * Just let it finish asynchronously. This is for the benefit of 5341 * the tick handler driving autonegotiation. Don't want 500ms 5342 * delays all the time while the system is running! 5343 */ 5344 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5345 sc->sc_flags |= TULIPF_DOINGAUTO; 5346 callout_reset(&sc->sc_nway_callout, hz >> 1, 5347 tlp_pnic_nway_auto_timeout, sc); 5348 } 5349 return (EJUSTRETURN); 5350 } 5351 5352 void 5353 tlp_pnic_nway_auto_timeout(arg) 5354 void *arg; 5355 { 5356 struct tulip_softc *sc = arg; 5357 u_int32_t reg; 5358 int s; 5359 5360 s = splnet(); 5361 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5362 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5363 #if 0 5364 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5365 printf("%s: autonegotiation failed to complete\n", 5366 sc->sc_dev.dv_xname); 5367 #endif 5368 5369 tlp_pnic_nway_acomp(sc); 5370 5371 /* Update the media status. */ 5372 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5373 splx(s); 5374 } 5375 5376 void 5377 tlp_pnic_nway_status(sc) 5378 struct tulip_softc *sc; 5379 { 5380 struct mii_data *mii = &sc->sc_mii; 5381 u_int32_t reg; 5382 5383 mii->mii_media_status = IFM_AVALID; 5384 mii->mii_media_active = IFM_ETHER; 5385 5386 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5387 5388 if (sc->sc_flags & TULIPF_LINK_UP) 5389 mii->mii_media_status |= IFM_ACTIVE; 5390 5391 if (reg & PNIC_NWAY_NW) { 5392 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5393 /* Erg, still trying, I guess... */ 5394 mii->mii_media_active |= IFM_NONE; 5395 return; 5396 } 5397 5398 #if 0 5399 if (reg & PNIC_NWAY_LPAR100T4) 5400 mii->mii_media_active |= IFM_100_T4; 5401 else 5402 #endif 5403 if (reg & PNIC_NWAY_LPAR100TXFDX) 5404 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5405 else if (reg & PNIC_NWAY_LPAR100TX) 5406 mii->mii_media_active |= IFM_100_TX; 5407 else if (reg & PNIC_NWAY_LPAR10TFDX) 5408 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5409 else if (reg & PNIC_NWAY_LPAR10T) 5410 mii->mii_media_active |= IFM_10_T; 5411 else 5412 mii->mii_media_active |= IFM_NONE; 5413 } else { 5414 if (reg & PNIC_NWAY_100) 5415 mii->mii_media_active |= IFM_100_TX; 5416 else 5417 mii->mii_media_active |= IFM_10_T; 5418 if (reg & PNIC_NWAY_FD) 5419 mii->mii_media_active |= IFM_FDX; 5420 } 5421 } 5422 5423 void 5424 tlp_pnic_nway_acomp(sc) 5425 struct tulip_softc *sc; 5426 { 5427 u_int32_t reg; 5428 5429 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5430 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5431 5432 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5433 reg |= PNIC_NWAY_100; 5434 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5435 reg |= PNIC_NWAY_FD; 5436 5437 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5438 } 5439 5440 /* 5441 * Macronix PMAC and Lite-On PNIC-II media switch: 5442 * 5443 * MX98713 and MX98713A 21140-like MII or GPIO media. 5444 * 5445 * MX98713A 21143-like MII or SIA/SYM media. 5446 * 5447 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5448 * 82C115, MX98715AEC-C, -E 5449 * 5450 * So, what we do here is fake MII-on-SIO or ISV media info, and 5451 * use the ISV media switch get/set functions to handle the rest. 5452 */ 5453 5454 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5455 5456 const struct tulip_mediasw tlp_pmac_mediasw = { 5457 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5458 }; 5459 5460 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5461 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5462 }; 5463 5464 void 5465 tlp_pmac_tmsw_init(sc) 5466 struct tulip_softc *sc; 5467 { 5468 static const u_int8_t media[] = { 5469 TULIP_ROM_MB_MEDIA_TP, 5470 TULIP_ROM_MB_MEDIA_TP_FDX, 5471 TULIP_ROM_MB_MEDIA_100TX, 5472 TULIP_ROM_MB_MEDIA_100TX_FDX, 5473 }; 5474 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5475 5476 sc->sc_mii.mii_ifp = ifp; 5477 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5478 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5479 sc->sc_mii.mii_statchg = sc->sc_statchg; 5480 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5481 tlp_mediastatus); 5482 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5483 sc->sc_chip == TULIP_CHIP_MX98713A) { 5484 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5485 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5486 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5487 sc->sc_flags |= TULIPF_HAS_MII; 5488 sc->sc_tick = tlp_mii_tick; 5489 sc->sc_preinit = tlp_2114x_mii_preinit; 5490 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5491 ifmedia_set(&sc->sc_mii.mii_media, 5492 IFM_ETHER|IFM_AUTO); 5493 return; 5494 } 5495 } 5496 5497 switch (sc->sc_chip) { 5498 case TULIP_CHIP_MX98713: 5499 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5500 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5501 5502 /* 5503 * XXX Should implement auto-sense for this someday, 5504 * XXX when we do the same for the 21140. 5505 */ 5506 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5507 break; 5508 5509 default: 5510 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5511 tlp_sia_get, tlp_sia_set, media, 2); 5512 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5513 tlp_sia_get, tlp_sia_set, media + 2, 2); 5514 5515 /* 5516 * XXX Autonegotiation not yet supported. 5517 */ 5518 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5519 break; 5520 } 5521 5522 tlp_print_media(sc); 5523 tlp_sia_fixup(sc); 5524 5525 /* Set the LED modes. */ 5526 tlp_pmac_reset(sc); 5527 5528 sc->sc_reset = tlp_pmac_reset; 5529 } 5530 5531 /* 5532 * ADMtek AL981 media switch. Only has internal PHY. 5533 */ 5534 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5535 5536 const struct tulip_mediasw tlp_al981_mediasw = { 5537 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5538 }; 5539 5540 void 5541 tlp_al981_tmsw_init(sc) 5542 struct tulip_softc *sc; 5543 { 5544 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5545 5546 sc->sc_mii.mii_ifp = ifp; 5547 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5548 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5549 sc->sc_mii.mii_statchg = sc->sc_statchg; 5550 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5551 tlp_mediastatus); 5552 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5553 MII_OFFSET_ANY, 0); 5554 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5555 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5556 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5557 } else { 5558 sc->sc_flags |= TULIPF_HAS_MII; 5559 sc->sc_tick = tlp_mii_tick; 5560 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5561 } 5562 } 5563 5564 /* 5565 * ADMtek AN983/985 media switch. Only has internal PHY, but 5566 * on an SIO-like interface. Unfortunately, we can't use the 5567 * standard SIO media switch, because the AN985 "ghosts" the 5568 * singly PHY at every address. 5569 */ 5570 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5571 5572 const struct tulip_mediasw tlp_an985_mediasw = { 5573 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5574 }; 5575 5576 void 5577 tlp_an985_tmsw_init(sc) 5578 struct tulip_softc *sc; 5579 { 5580 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5581 5582 sc->sc_mii.mii_ifp = ifp; 5583 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5584 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5585 sc->sc_mii.mii_statchg = sc->sc_statchg; 5586 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5587 tlp_mediastatus); 5588 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5589 MII_OFFSET_ANY, 0); 5590 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5591 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5592 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5593 } else { 5594 sc->sc_flags |= TULIPF_HAS_MII; 5595 sc->sc_tick = tlp_mii_tick; 5596 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5597 } 5598 } 5599 5600 /* 5601 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5602 */ 5603 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5604 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5605 struct ifmediareq *)); 5606 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5607 5608 const struct tulip_mediasw tlp_dm9102_mediasw = { 5609 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5610 tlp_dm9102_tmsw_setmedia 5611 }; 5612 5613 void 5614 tlp_dm9102_tmsw_init(sc) 5615 struct tulip_softc *sc; 5616 { 5617 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5618 u_int32_t opmode; 5619 5620 sc->sc_mii.mii_ifp = ifp; 5621 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5622 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5623 sc->sc_mii.mii_statchg = sc->sc_statchg; 5624 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5625 tlp_mediastatus); 5626 5627 /* PHY block already reset via tlp_reset(). */ 5628 5629 /* 5630 * Configure OPMODE properly for the internal MII interface. 5631 */ 5632 switch (sc->sc_chip) { 5633 case TULIP_CHIP_DM9102: 5634 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5635 break; 5636 5637 case TULIP_CHIP_DM9102A: 5638 opmode = OPMODE_MBO|OPMODE_HBD; 5639 break; 5640 5641 default: 5642 /* Nothing. */ 5643 } 5644 5645 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5646 5647 /* Now, probe the internal MII for the internal PHY. */ 5648 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5649 MII_OFFSET_ANY, 0); 5650 5651 /* 5652 * XXX Figure out what to do about the HomePNA portion 5653 * XXX of the DM9102A. 5654 */ 5655 5656 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5657 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5658 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5659 } else { 5660 sc->sc_flags |= TULIPF_HAS_MII; 5661 sc->sc_tick = tlp_mii_tick; 5662 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5663 } 5664 } 5665 5666 void 5667 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5668 struct tulip_softc *sc; 5669 struct ifmediareq *ifmr; 5670 { 5671 5672 /* XXX HomePNA on DM9102A. */ 5673 tlp_mii_getmedia(sc, ifmr); 5674 } 5675 5676 int 5677 tlp_dm9102_tmsw_setmedia(sc) 5678 struct tulip_softc *sc; 5679 { 5680 5681 /* XXX HomePNA on DM9102A. */ 5682 return (tlp_mii_setmedia(sc)); 5683 } 5684
Indexes created Tue Sep 23 02:09:52 GMT 2025