tulip.c revision 1.88
1 /* $NetBSD: tulip.c,v 1.88 2001/01/16 17:33:24 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 /* 2836 * If the chip is running, we need to reset the interface, 2837 * and will revisit here (with IFF_RUNNING) clear. The 2838 * chip seems to really not like to have its multicast 2839 * filter programmed without a reset. 2840 */ 2841 if (ifp->if_flags & IFF_RUNNING) { 2842 (void) tlp_init(ifp); 2843 return; 2844 } 2845 2846 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2847 sc->sc_dev.dv_xname, sc->sc_flags)); 2848 2849 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2850 2851 if (ifp->if_flags & IFF_PROMISC) { 2852 sc->sc_opmode |= OPMODE_PR; 2853 goto allmulti; 2854 } 2855 2856 mchash[0] = mchash[1] = 0; 2857 2858 ETHER_FIRST_MULTI(step, ec, enm); 2859 while (enm != NULL) { 2860 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2861 /* 2862 * We must listen to a range of multicast addresses. 2863 * For now, just accept all multicasts, rather than 2864 * trying to set only those filter bits needed to match 2865 * the range. (At this time, the only use of address 2866 * ranges is for IP multicast routing, for which the 2867 * range is big enough to require all bits set.) 2868 */ 2869 goto allmulti; 2870 } 2871 2872 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2873 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2874 ETHER_NEXT_MULTI(step, enm); 2875 } 2876 ifp->if_flags &= ~IFF_ALLMULTI; 2877 goto setit; 2878 2879 allmulti: 2880 ifp->if_flags |= IFF_ALLMULTI; 2881 mchash[0] = mchash[1] = 0xffffffff; 2882 2883 setit: 2884 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2885 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2886 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2887 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2888 sc->sc_dev.dv_xname)); 2889 } 2890 2891 /* 2892 * tlp_idle: 2893 * 2894 * Cause the transmit and/or receive processes to go idle. 2895 */ 2896 void 2897 tlp_idle(sc, bits) 2898 struct tulip_softc *sc; 2899 u_int32_t bits; 2900 { 2901 static const char *tlp_tx_state_names[] = { 2902 "STOPPED", 2903 "RUNNING - FETCH", 2904 "RUNNING - WAIT", 2905 "RUNNING - READING", 2906 "-- RESERVED --", 2907 "RUNNING - SETUP", 2908 "SUSPENDED", 2909 "RUNNING - CLOSE", 2910 }; 2911 static const char *tlp_rx_state_names[] = { 2912 "STOPPED", 2913 "RUNNING - FETCH", 2914 "RUNNING - CHECK", 2915 "RUNNING - WAIT", 2916 "SUSPENDED", 2917 "RUNNING - CLOSE", 2918 "RUNNING - FLUSH", 2919 "RUNNING - QUEUE", 2920 }; 2921 static const char *dm9102_tx_state_names[] = { 2922 "STOPPED", 2923 "RUNNING - FETCH", 2924 "RUNNING - SETUP", 2925 "RUNNING - READING", 2926 "RUNNING - CLOSE - CLEAR OWNER", 2927 "RUNNING - WAIT", 2928 "RUNNING - CLOSE - WRITE STATUS", 2929 "SUSPENDED", 2930 }; 2931 static const char *dm9102_rx_state_names[] = { 2932 "STOPPED", 2933 "RUNNING - FETCH", 2934 "RUNNING - WAIT", 2935 "RUNNING - QUEUE", 2936 "RUNNING - CLOSE - CLEAR OWNER", 2937 "RUNNING - CLOSE - WRITE STATUS", 2938 "SUSPENDED", 2939 "RUNNING - FLUSH", 2940 }; 2941 2942 const char **tx_state_names, **rx_state_names; 2943 u_int32_t csr, ackmask = 0; 2944 int i; 2945 2946 switch (sc->sc_chip) { 2947 case TULIP_CHIP_DM9102: 2948 case TULIP_CHIP_DM9102A: 2949 tx_state_names = dm9102_tx_state_names; 2950 rx_state_names = dm9102_rx_state_names; 2951 break; 2952 2953 default: 2954 tx_state_names = tlp_tx_state_names; 2955 rx_state_names = tlp_rx_state_names; 2956 break; 2957 } 2958 2959 if (bits & OPMODE_ST) 2960 ackmask |= STATUS_TPS; 2961 2962 if (bits & OPMODE_SR) 2963 ackmask |= STATUS_RPS; 2964 2965 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2966 2967 for (i = 0; i < 1000; i++) { 2968 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2969 break; 2970 delay(10); 2971 } 2972 2973 csr = TULIP_READ(sc, CSR_STATUS); 2974 if ((csr & ackmask) != ackmask) { 2975 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2976 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2977 printf("%s: transmit process failed to idle: " 2978 "state %s\n", sc->sc_dev.dv_xname, 2979 tx_state_names[(csr & STATUS_TS) >> 20]); 2980 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2981 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2982 printf("%s: receive process failed to idle: " 2983 "state %s\n", sc->sc_dev.dv_xname, 2984 rx_state_names[(csr & STATUS_RS) >> 17]); 2985 } 2986 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2987 } 2988 2989 /***************************************************************************** 2990 * Generic media support functions. 2991 *****************************************************************************/ 2992 2993 /* 2994 * tlp_mediastatus: [ifmedia interface function] 2995 * 2996 * Query the current media. 2997 */ 2998 void 2999 tlp_mediastatus(ifp, ifmr) 3000 struct ifnet *ifp; 3001 struct ifmediareq *ifmr; 3002 { 3003 struct tulip_softc *sc = ifp->if_softc; 3004 3005 if (TULIP_IS_ENABLED(sc) == 0) { 3006 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3007 ifmr->ifm_status = 0; 3008 return; 3009 } 3010 3011 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3012 } 3013 3014 /* 3015 * tlp_mediachange: [ifmedia interface function] 3016 * 3017 * Update the current media. 3018 */ 3019 int 3020 tlp_mediachange(ifp) 3021 struct ifnet *ifp; 3022 { 3023 struct tulip_softc *sc = ifp->if_softc; 3024 3025 if ((ifp->if_flags & IFF_UP) == 0) 3026 return (0); 3027 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3028 } 3029 3030 /***************************************************************************** 3031 * Support functions for MII-attached media. 3032 *****************************************************************************/ 3033 3034 /* 3035 * tlp_mii_tick: 3036 * 3037 * One second timer, used to tick the MII. 3038 */ 3039 void 3040 tlp_mii_tick(arg) 3041 void *arg; 3042 { 3043 struct tulip_softc *sc = arg; 3044 int s; 3045 3046 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3047 return; 3048 3049 s = splnet(); 3050 mii_tick(&sc->sc_mii); 3051 splx(s); 3052 3053 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3054 } 3055 3056 /* 3057 * tlp_mii_statchg: [mii interface function] 3058 * 3059 * Callback from PHY when media changes. 3060 */ 3061 void 3062 tlp_mii_statchg(self) 3063 struct device *self; 3064 { 3065 struct tulip_softc *sc = (struct tulip_softc *)self; 3066 3067 /* Idle the transmit and receive processes. */ 3068 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3069 3070 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3071 3072 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3073 sc->sc_opmode |= OPMODE_TTM; 3074 else 3075 sc->sc_opmode |= OPMODE_HBD; 3076 3077 if (sc->sc_mii.mii_media_active & IFM_FDX) 3078 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3079 3080 /* 3081 * Write new OPMODE bits. This also restarts the transmit 3082 * and receive processes. 3083 */ 3084 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3085 } 3086 3087 /* 3088 * tlp_winb_mii_statchg: [mii interface function] 3089 * 3090 * Callback from PHY when media changes. This version is 3091 * for the Winbond 89C840F, which has different OPMODE bits. 3092 */ 3093 void 3094 tlp_winb_mii_statchg(self) 3095 struct device *self; 3096 { 3097 struct tulip_softc *sc = (struct tulip_softc *)self; 3098 3099 /* Idle the transmit and receive processes. */ 3100 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3101 3102 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3103 3104 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3105 sc->sc_opmode |= OPMODE_WINB_FES; 3106 3107 if (sc->sc_mii.mii_media_active & IFM_FDX) 3108 sc->sc_opmode |= OPMODE_FD; 3109 3110 /* 3111 * Write new OPMODE bits. This also restarts the transmit 3112 * and receive processes. 3113 */ 3114 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3115 } 3116 3117 /* 3118 * tlp_dm9102_mii_statchg: [mii interface function] 3119 * 3120 * Callback from PHY when media changes. This version is 3121 * for the DM9102. 3122 */ 3123 void 3124 tlp_dm9102_mii_statchg(self) 3125 struct device *self; 3126 { 3127 struct tulip_softc *sc = (struct tulip_softc *)self; 3128 3129 /* 3130 * Don't idle the transmit and receive processes, here. It 3131 * seems to fail, and just causes excess noise. 3132 */ 3133 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3134 3135 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3136 sc->sc_opmode |= OPMODE_TTM; 3137 3138 if (sc->sc_mii.mii_media_active & IFM_FDX) 3139 sc->sc_opmode |= OPMODE_FD; 3140 3141 /* 3142 * Write new OPMODE bits. 3143 */ 3144 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3145 } 3146 3147 /* 3148 * tlp_mii_getmedia: 3149 * 3150 * Callback from ifmedia to request current media status. 3151 */ 3152 void 3153 tlp_mii_getmedia(sc, ifmr) 3154 struct tulip_softc *sc; 3155 struct ifmediareq *ifmr; 3156 { 3157 3158 mii_pollstat(&sc->sc_mii); 3159 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3160 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3161 } 3162 3163 /* 3164 * tlp_mii_setmedia: 3165 * 3166 * Callback from ifmedia to request new media setting. 3167 */ 3168 int 3169 tlp_mii_setmedia(sc) 3170 struct tulip_softc *sc; 3171 { 3172 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3173 3174 if (ifp->if_flags & IFF_UP) { 3175 switch (sc->sc_chip) { 3176 case TULIP_CHIP_21142: 3177 case TULIP_CHIP_21143: 3178 /* Disable the internal Nway engine. */ 3179 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3180 break; 3181 3182 default: 3183 /* Nothing. */ 3184 } 3185 mii_mediachg(&sc->sc_mii); 3186 } 3187 return (0); 3188 } 3189 3190 /* 3191 * tlp_bitbang_mii_readreg: 3192 * 3193 * Read a PHY register via bit-bang'ing the MII. 3194 */ 3195 int 3196 tlp_bitbang_mii_readreg(self, phy, reg) 3197 struct device *self; 3198 int phy, reg; 3199 { 3200 struct tulip_softc *sc = (void *) self; 3201 3202 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3203 } 3204 3205 /* 3206 * tlp_bitbang_mii_writereg: 3207 * 3208 * Write a PHY register via bit-bang'ing the MII. 3209 */ 3210 void 3211 tlp_bitbang_mii_writereg(self, phy, reg, val) 3212 struct device *self; 3213 int phy, reg, val; 3214 { 3215 struct tulip_softc *sc = (void *) self; 3216 3217 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3218 } 3219 3220 /* 3221 * tlp_sio_mii_bitbang_read: 3222 * 3223 * Read the MII serial port for the MII bit-bang module. 3224 */ 3225 u_int32_t 3226 tlp_sio_mii_bitbang_read(self) 3227 struct device *self; 3228 { 3229 struct tulip_softc *sc = (void *) self; 3230 3231 return (TULIP_READ(sc, CSR_MIIROM)); 3232 } 3233 3234 /* 3235 * tlp_sio_mii_bitbang_write: 3236 * 3237 * Write the MII serial port for the MII bit-bang module. 3238 */ 3239 void 3240 tlp_sio_mii_bitbang_write(self, val) 3241 struct device *self; 3242 u_int32_t val; 3243 { 3244 struct tulip_softc *sc = (void *) self; 3245 3246 TULIP_WRITE(sc, CSR_MIIROM, val); 3247 } 3248 3249 /* 3250 * tlp_pnic_mii_readreg: 3251 * 3252 * Read a PHY register on the Lite-On PNIC. 3253 */ 3254 int 3255 tlp_pnic_mii_readreg(self, phy, reg) 3256 struct device *self; 3257 int phy, reg; 3258 { 3259 struct tulip_softc *sc = (void *) self; 3260 u_int32_t val; 3261 int i; 3262 3263 TULIP_WRITE(sc, CSR_PNIC_MII, 3264 PNIC_MII_MBO | PNIC_MII_RESERVED | 3265 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3266 (reg << PNIC_MII_REGSHIFT)); 3267 3268 for (i = 0; i < 1000; i++) { 3269 delay(10); 3270 val = TULIP_READ(sc, CSR_PNIC_MII); 3271 if ((val & PNIC_MII_BUSY) == 0) { 3272 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3273 return (0); 3274 else 3275 return (val & PNIC_MII_DATA); 3276 } 3277 } 3278 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3279 return (0); 3280 } 3281 3282 /* 3283 * tlp_pnic_mii_writereg: 3284 * 3285 * Write a PHY register on the Lite-On PNIC. 3286 */ 3287 void 3288 tlp_pnic_mii_writereg(self, phy, reg, val) 3289 struct device *self; 3290 int phy, reg, val; 3291 { 3292 struct tulip_softc *sc = (void *) self; 3293 int i; 3294 3295 TULIP_WRITE(sc, CSR_PNIC_MII, 3296 PNIC_MII_MBO | PNIC_MII_RESERVED | 3297 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3298 (reg << PNIC_MII_REGSHIFT) | val); 3299 3300 for (i = 0; i < 1000; i++) { 3301 delay(10); 3302 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3303 return; 3304 } 3305 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3306 } 3307 3308 const bus_addr_t tlp_al981_phy_regmap[] = { 3309 CSR_ADM_BMCR, 3310 CSR_ADM_BMSR, 3311 CSR_ADM_PHYIDR1, 3312 CSR_ADM_PHYIDR2, 3313 CSR_ADM_ANAR, 3314 CSR_ADM_ANLPAR, 3315 CSR_ADM_ANER, 3316 3317 CSR_ADM_XMC, 3318 CSR_ADM_XCIIS, 3319 CSR_ADM_XIE, 3320 CSR_ADM_100CTR, 3321 }; 3322 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3323 sizeof(tlp_al981_phy_regmap[0]); 3324 3325 /* 3326 * tlp_al981_mii_readreg: 3327 * 3328 * Read a PHY register on the ADMtek AL981. 3329 */ 3330 int 3331 tlp_al981_mii_readreg(self, phy, reg) 3332 struct device *self; 3333 int phy, reg; 3334 { 3335 struct tulip_softc *sc = (struct tulip_softc *)self; 3336 3337 /* AL981 only has an internal PHY. */ 3338 if (phy != 0) 3339 return (0); 3340 3341 if (reg >= tlp_al981_phy_regmap_size) 3342 return (0); 3343 3344 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3345 tlp_al981_phy_regmap[reg]) & 0xffff); 3346 } 3347 3348 /* 3349 * tlp_al981_mii_writereg: 3350 * 3351 * Write a PHY register on the ADMtek AL981. 3352 */ 3353 void 3354 tlp_al981_mii_writereg(self, phy, reg, val) 3355 struct device *self; 3356 int phy, reg, val; 3357 { 3358 struct tulip_softc *sc = (struct tulip_softc *)self; 3359 3360 /* AL981 only has an internal PHY. */ 3361 if (phy != 0) 3362 return; 3363 3364 if (reg >= tlp_al981_phy_regmap_size) 3365 return; 3366 3367 bus_space_write_4(sc->sc_st, sc->sc_sh, 3368 tlp_al981_phy_regmap[reg], val); 3369 } 3370 3371 /***************************************************************************** 3372 * Chip-specific pre-init and reset functions. 3373 *****************************************************************************/ 3374 3375 /* 3376 * tlp_2114x_preinit: 3377 * 3378 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3379 */ 3380 void 3381 tlp_2114x_preinit(sc) 3382 struct tulip_softc *sc; 3383 { 3384 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3385 struct tulip_21x4x_media *tm = ife->ifm_aux; 3386 3387 /* 3388 * Whether or not we're in MII or SIA/SYM mode, the media info 3389 * contains the appropriate OPMODE bits. 3390 * 3391 * Note that if we have no media info, we are are doing 3392 * non-MII `auto'. 3393 * 3394 * Also, we always set the Must-Be-One bit. 3395 */ 3396 if (tm == NULL) { 3397 #ifdef DIAGNOSTIC 3398 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3399 panic("tlp_2114x_preinit: not IFM_AUTO"); 3400 if (sc->sc_nway_active == NULL) 3401 panic("tlp_2114x_preinit: nway_active NULL"); 3402 #endif 3403 tm = sc->sc_nway_active->ifm_aux; 3404 } 3405 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3406 3407 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3408 } 3409 3410 /* 3411 * tlp_2114x_mii_preinit: 3412 * 3413 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3414 * This version is used by boards which only have MII and don't have 3415 * an ISV SROM. 3416 */ 3417 void 3418 tlp_2114x_mii_preinit(sc) 3419 struct tulip_softc *sc; 3420 { 3421 3422 /* 3423 * Always set the Must-Be-One bit, and Port Select (to select MII). 3424 * We'll never be called during a media change. 3425 */ 3426 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3427 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3428 } 3429 3430 /* 3431 * tlp_pnic_preinit: 3432 * 3433 * Pre-init function for the Lite-On 82c168 and 82c169. 3434 */ 3435 void 3436 tlp_pnic_preinit(sc) 3437 struct tulip_softc *sc; 3438 { 3439 3440 if (sc->sc_flags & TULIPF_HAS_MII) { 3441 /* 3442 * MII case: just set the port-select bit; we will never 3443 * be called during a media change. 3444 */ 3445 sc->sc_opmode |= OPMODE_PS; 3446 } else { 3447 /* 3448 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3449 */ 3450 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3451 } 3452 } 3453 3454 /* 3455 * tlp_dm9102_preinit: 3456 * 3457 * Pre-init function for the Davicom DM9102. 3458 */ 3459 void 3460 tlp_dm9102_preinit(sc) 3461 struct tulip_softc *sc; 3462 { 3463 3464 switch (sc->sc_chip) { 3465 case TULIP_CHIP_DM9102: 3466 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3467 break; 3468 3469 case TULIP_CHIP_DM9102A: 3470 /* 3471 * XXX Figure out how to actually deal with the HomePNA 3472 * XXX portion of the DM9102A. 3473 */ 3474 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3475 break; 3476 3477 default: 3478 /* Nothing. */ 3479 } 3480 3481 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3482 } 3483 3484 /* 3485 * tlp_21140_reset: 3486 * 3487 * Issue a reset sequence on the 21140 via the GPIO facility. 3488 */ 3489 void 3490 tlp_21140_reset(sc) 3491 struct tulip_softc *sc; 3492 { 3493 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3494 struct tulip_21x4x_media *tm = ife->ifm_aux; 3495 int i; 3496 3497 /* First, set the direction on the GPIO pins. */ 3498 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3499 3500 /* Now, issue the reset sequence. */ 3501 for (i = 0; i < tm->tm_reset_length; i++) { 3502 delay(10); 3503 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3504 } 3505 3506 /* Now, issue the selection sequence. */ 3507 for (i = 0; i < tm->tm_gp_length; i++) { 3508 delay(10); 3509 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3510 } 3511 3512 /* If there were no sequences, just lower the pins. */ 3513 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3514 TULIP_WRITE(sc, CSR_GPP, 0); 3515 } 3516 3517 /* 3518 * tlp_21142_reset: 3519 * 3520 * Issue a reset sequence on the 21142 via the GPIO facility. 3521 */ 3522 void 3523 tlp_21142_reset(sc) 3524 struct tulip_softc *sc; 3525 { 3526 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3527 struct tulip_21x4x_media *tm = ife->ifm_aux; 3528 const u_int8_t *ncp; 3529 int i; 3530 3531 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3532 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3533 delay(10); 3534 TULIP_WRITE(sc, CSR_SIAGEN, 3535 TULIP_ROM_GETW(ncp, 0) << 16); 3536 } 3537 3538 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3539 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3540 delay(10); 3541 TULIP_WRITE(sc, CSR_SIAGEN, 3542 TULIP_ROM_GETW(ncp, 0) << 16); 3543 } 3544 3545 /* If there were no sequences, just lower the pins. */ 3546 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3547 delay(10); 3548 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3549 } 3550 } 3551 3552 /* 3553 * tlp_pmac_reset: 3554 * 3555 * Reset routine for Macronix chips. 3556 */ 3557 void 3558 tlp_pmac_reset(sc) 3559 struct tulip_softc *sc; 3560 { 3561 3562 switch (sc->sc_chip) { 3563 case TULIP_CHIP_82C115: 3564 case TULIP_CHIP_MX98715: 3565 case TULIP_CHIP_MX98715A: 3566 case TULIP_CHIP_MX98725: 3567 /* 3568 * Set the LED operating mode. This information is located 3569 * in the EEPROM at byte offset 0x77, per the MX98715A and 3570 * MX98725 application notes. 3571 */ 3572 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3573 break; 3574 case TULIP_CHIP_MX98715AEC_X: 3575 /* 3576 * Set the LED operating mode. This information is located 3577 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3578 * application note. 3579 */ 3580 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3581 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3582 break; 3583 3584 default: 3585 /* Nothing. */ 3586 } 3587 } 3588 3589 /* 3590 * tlp_dm9102_reset: 3591 * 3592 * Reset routine for the Davicom DM9102. 3593 */ 3594 void 3595 tlp_dm9102_reset(sc) 3596 struct tulip_softc *sc; 3597 { 3598 3599 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3600 delay(100); 3601 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3602 } 3603 3604 /***************************************************************************** 3605 * Chip/board-specific media switches. The ones here are ones that 3606 * are potentially common to multiple front-ends. 3607 *****************************************************************************/ 3608 3609 /* 3610 * This table is a common place for all sorts of media information, 3611 * keyed off of the SROM media code for that media. 3612 * 3613 * Note that we explicitly configure the 21142/21143 to always advertise 3614 * NWay capabilities when using the UTP port. 3615 * XXX Actually, we don't yet. 3616 */ 3617 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3618 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3619 "10baseT", 3620 0, 3621 { SIACONN_21040_10BASET, 3622 SIATXRX_21040_10BASET, 3623 SIAGEN_21040_10BASET }, 3624 3625 { SIACONN_21041_10BASET, 3626 SIATXRX_21041_10BASET, 3627 SIAGEN_21041_10BASET }, 3628 3629 { SIACONN_21142_10BASET, 3630 SIATXRX_21142_10BASET, 3631 SIAGEN_21142_10BASET } }, 3632 3633 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3634 "10base2", 3635 0, 3636 { 0, 3637 0, 3638 0 }, 3639 3640 { SIACONN_21041_BNC, 3641 SIATXRX_21041_BNC, 3642 SIAGEN_21041_BNC }, 3643 3644 { SIACONN_21142_BNC, 3645 SIATXRX_21142_BNC, 3646 SIAGEN_21142_BNC } }, 3647 3648 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3649 "10base5", 3650 0, 3651 { SIACONN_21040_AUI, 3652 SIATXRX_21040_AUI, 3653 SIAGEN_21040_AUI }, 3654 3655 { SIACONN_21041_AUI, 3656 SIATXRX_21041_AUI, 3657 SIAGEN_21041_AUI }, 3658 3659 { SIACONN_21142_AUI, 3660 SIATXRX_21142_AUI, 3661 SIAGEN_21142_AUI } }, 3662 3663 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3664 "100baseTX", 3665 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3666 { 0, 3667 0, 3668 0 }, 3669 3670 { 0, 3671 0, 3672 0 }, 3673 3674 { 0, 3675 0, 3676 SIAGEN_ABM } }, 3677 3678 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3679 "10baseT-FDX", 3680 OPMODE_FD|OPMODE_HBD, 3681 { SIACONN_21040_10BASET_FDX, 3682 SIATXRX_21040_10BASET_FDX, 3683 SIAGEN_21040_10BASET_FDX }, 3684 3685 { SIACONN_21041_10BASET_FDX, 3686 SIATXRX_21041_10BASET_FDX, 3687 SIAGEN_21041_10BASET_FDX }, 3688 3689 { SIACONN_21142_10BASET_FDX, 3690 SIATXRX_21142_10BASET_FDX, 3691 SIAGEN_21142_10BASET_FDX } }, 3692 3693 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3694 "100baseTX-FDX", 3695 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3696 { 0, 3697 0, 3698 0 }, 3699 3700 { 0, 3701 0, 3702 0 }, 3703 3704 { 0, 3705 0, 3706 SIAGEN_ABM } }, 3707 3708 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3709 "100baseT4", 3710 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3711 { 0, 3712 0, 3713 0 }, 3714 3715 { 0, 3716 0, 3717 0 }, 3718 3719 { 0, 3720 0, 3721 SIAGEN_ABM } }, 3722 3723 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3724 "100baseFX", 3725 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3726 { 0, 3727 0, 3728 0 }, 3729 3730 { 0, 3731 0, 3732 0 }, 3733 3734 { 0, 3735 0, 3736 SIAGEN_ABM } }, 3737 3738 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3739 "100baseFX-FDX", 3740 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3741 { 0, 3742 0, 3743 0 }, 3744 3745 { 0, 3746 0, 3747 0 }, 3748 3749 { 0, 3750 0, 3751 SIAGEN_ABM } }, 3752 3753 { 0, 0, 0, 3754 NULL, 3755 0, 3756 { 0, 3757 0, 3758 0 }, 3759 3760 { 0, 3761 0, 3762 0 }, 3763 3764 { 0, 3765 0, 3766 0 } }, 3767 }; 3768 3769 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3770 void tlp_srom_media_info __P((struct tulip_softc *, 3771 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3772 void tlp_add_srom_media __P((struct tulip_softc *, int, 3773 void (*)(struct tulip_softc *, struct ifmediareq *), 3774 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3775 void tlp_print_media __P((struct tulip_softc *)); 3776 void tlp_nway_activate __P((struct tulip_softc *, int)); 3777 void tlp_get_minst __P((struct tulip_softc *)); 3778 3779 const struct tulip_srom_to_ifmedia * 3780 tlp_srom_to_ifmedia(sm) 3781 u_int8_t sm; 3782 { 3783 const struct tulip_srom_to_ifmedia *tsti; 3784 3785 for (tsti = tulip_srom_to_ifmedia_table; 3786 tsti->tsti_name != NULL; tsti++) { 3787 if (tsti->tsti_srom == sm) 3788 return (tsti); 3789 } 3790 3791 return (NULL); 3792 } 3793 3794 void 3795 tlp_srom_media_info(sc, tsti, tm) 3796 struct tulip_softc *sc; 3797 const struct tulip_srom_to_ifmedia *tsti; 3798 struct tulip_21x4x_media *tm; 3799 { 3800 3801 tm->tm_name = tsti->tsti_name; 3802 tm->tm_opmode = tsti->tsti_opmode; 3803 3804 switch (sc->sc_chip) { 3805 case TULIP_CHIP_DE425: 3806 case TULIP_CHIP_21040: 3807 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3808 break; 3809 3810 case TULIP_CHIP_21041: 3811 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3812 break; 3813 3814 case TULIP_CHIP_21142: 3815 case TULIP_CHIP_21143: 3816 case TULIP_CHIP_82C115: 3817 case TULIP_CHIP_MX98715: 3818 case TULIP_CHIP_MX98715A: 3819 case TULIP_CHIP_MX98715AEC_X: 3820 case TULIP_CHIP_MX98725: 3821 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3822 break; 3823 3824 default: 3825 /* Nothing. */ 3826 } 3827 } 3828 3829 void 3830 tlp_add_srom_media(sc, type, get, set, list, cnt) 3831 struct tulip_softc *sc; 3832 int type; 3833 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3834 int (*set) __P((struct tulip_softc *)); 3835 const u_int8_t *list; 3836 int cnt; 3837 { 3838 struct tulip_21x4x_media *tm; 3839 const struct tulip_srom_to_ifmedia *tsti; 3840 int i; 3841 3842 for (i = 0; i < cnt; i++) { 3843 tsti = tlp_srom_to_ifmedia(list[i]); 3844 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3845 memset(tm, 0, sizeof(*tm)); 3846 tlp_srom_media_info(sc, tsti, tm); 3847 tm->tm_type = type; 3848 tm->tm_get = get; 3849 tm->tm_set = set; 3850 3851 ifmedia_add(&sc->sc_mii.mii_media, 3852 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3853 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3854 } 3855 } 3856 3857 void 3858 tlp_print_media(sc) 3859 struct tulip_softc *sc; 3860 { 3861 struct ifmedia_entry *ife; 3862 struct tulip_21x4x_media *tm; 3863 const char *sep = ""; 3864 3865 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3866 3867 printf("%s: ", sc->sc_dev.dv_xname); 3868 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3869 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3870 tm = ife->ifm_aux; 3871 if (tm == NULL) { 3872 #ifdef DIAGNOSTIC 3873 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3874 panic("tlp_print_media"); 3875 #endif 3876 PRINT("auto"); 3877 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3878 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3879 PRINT(tm->tm_name); 3880 } 3881 } 3882 printf("\n"); 3883 3884 #undef PRINT 3885 } 3886 3887 void 3888 tlp_nway_activate(sc, media) 3889 struct tulip_softc *sc; 3890 int media; 3891 { 3892 struct ifmedia_entry *ife; 3893 3894 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3895 #ifdef DIAGNOSTIC 3896 if (ife == NULL) 3897 panic("tlp_nway_activate"); 3898 #endif 3899 sc->sc_nway_active = ife; 3900 } 3901 3902 void 3903 tlp_get_minst(sc) 3904 struct tulip_softc *sc; 3905 { 3906 3907 if ((sc->sc_media_seen & 3908 ~((1 << TULIP_ROM_MB_21140_MII) | 3909 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3910 /* 3911 * We have not yet seen any SIA/SYM media (but are 3912 * about to; that's why we're called!), so assign 3913 * the current media instance to be the `internal media' 3914 * instance, and advance it so any MII media gets a 3915 * fresh one (used to selecting/isolating a PHY). 3916 */ 3917 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3918 } 3919 } 3920 3921 /* 3922 * SIA Utility functions. 3923 */ 3924 void tlp_sia_update_link __P((struct tulip_softc *)); 3925 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3926 int tlp_sia_set __P((struct tulip_softc *)); 3927 void tlp_sia_fixup __P((struct tulip_softc *)); 3928 3929 void 3930 tlp_sia_update_link(sc) 3931 struct tulip_softc *sc; 3932 { 3933 struct ifmedia_entry *ife; 3934 struct tulip_21x4x_media *tm; 3935 u_int32_t siastat; 3936 3937 ife = TULIP_CURRENT_MEDIA(sc); 3938 tm = ife->ifm_aux; 3939 3940 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3941 3942 siastat = TULIP_READ(sc, CSR_SIASTAT); 3943 3944 /* 3945 * Note that when we do SIA link tests, we are assuming that 3946 * the chip is really in the mode that the current media setting 3947 * reflects. If we're not, then the link tests will not be 3948 * accurate! 3949 */ 3950 switch (IFM_SUBTYPE(ife->ifm_media)) { 3951 case IFM_10_T: 3952 sc->sc_flags |= TULIPF_LINK_VALID; 3953 if ((siastat & SIASTAT_LS10) == 0) 3954 sc->sc_flags |= TULIPF_LINK_UP; 3955 break; 3956 3957 case IFM_100_TX: 3958 case IFM_100_T4: 3959 sc->sc_flags |= TULIPF_LINK_VALID; 3960 if ((siastat & SIASTAT_LS100) == 0) 3961 sc->sc_flags |= TULIPF_LINK_UP; 3962 break; 3963 } 3964 3965 switch (sc->sc_chip) { 3966 case TULIP_CHIP_21142: 3967 case TULIP_CHIP_21143: 3968 /* 3969 * On these chips, we can tell more information about 3970 * AUI/BNC. Note that the AUI/BNC selection is made 3971 * in a different register; for our purpose, it's all 3972 * AUI. 3973 */ 3974 switch (IFM_SUBTYPE(ife->ifm_media)) { 3975 case IFM_10_2: 3976 case IFM_10_5: 3977 sc->sc_flags |= TULIPF_LINK_VALID; 3978 if (siastat & SIASTAT_ARA) { 3979 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3980 sc->sc_flags |= TULIPF_LINK_UP; 3981 } 3982 break; 3983 3984 default: 3985 /* 3986 * If we're SYM media and can detect the link 3987 * via the GPIO facility, prefer that status 3988 * over LS100. 3989 */ 3990 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3991 tm->tm_actmask != 0) { 3992 sc->sc_flags = (sc->sc_flags & 3993 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 3994 if (TULIP_ISSET(sc, CSR_SIAGEN, 3995 tm->tm_actmask) == tm->tm_actdata) 3996 sc->sc_flags |= TULIPF_LINK_UP; 3997 } 3998 } 3999 break; 4000 4001 default: 4002 /* Nothing. */ 4003 } 4004 } 4005 4006 void 4007 tlp_sia_get(sc, ifmr) 4008 struct tulip_softc *sc; 4009 struct ifmediareq *ifmr; 4010 { 4011 struct ifmedia_entry *ife; 4012 4013 ifmr->ifm_status = 0; 4014 4015 tlp_sia_update_link(sc); 4016 4017 ife = TULIP_CURRENT_MEDIA(sc); 4018 4019 if (sc->sc_flags & TULIPF_LINK_VALID) 4020 ifmr->ifm_status |= IFM_AVALID; 4021 if (sc->sc_flags & TULIPF_LINK_UP) 4022 ifmr->ifm_status |= IFM_ACTIVE; 4023 ifmr->ifm_active = ife->ifm_media; 4024 } 4025 4026 void 4027 tlp_sia_fixup(sc) 4028 struct tulip_softc *sc; 4029 { 4030 struct ifmedia_entry *ife; 4031 struct tulip_21x4x_media *tm; 4032 u_int32_t siaconn, siatxrx, siagen; 4033 4034 switch (sc->sc_chip) { 4035 case TULIP_CHIP_82C115: 4036 case TULIP_CHIP_MX98713A: 4037 case TULIP_CHIP_MX98715: 4038 case TULIP_CHIP_MX98715A: 4039 case TULIP_CHIP_MX98715AEC_X: 4040 case TULIP_CHIP_MX98725: 4041 siaconn = PMAC_SIACONN_MASK; 4042 siatxrx = PMAC_SIATXRX_MASK; 4043 siagen = PMAC_SIAGEN_MASK; 4044 break; 4045 4046 default: 4047 /* No fixups required on any other chips. */ 4048 return; 4049 } 4050 4051 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4052 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4053 tm = ife->ifm_aux; 4054 if (tm == NULL) 4055 continue; 4056 4057 tm->tm_siaconn &= siaconn; 4058 tm->tm_siatxrx &= siatxrx; 4059 tm->tm_siagen &= siagen; 4060 } 4061 } 4062 4063 int 4064 tlp_sia_set(sc) 4065 struct tulip_softc *sc; 4066 { 4067 struct ifmedia_entry *ife; 4068 struct tulip_21x4x_media *tm; 4069 4070 ife = TULIP_CURRENT_MEDIA(sc); 4071 tm = ife->ifm_aux; 4072 4073 /* 4074 * XXX This appears to be necessary on a bunch of the clone chips. 4075 */ 4076 delay(20000); 4077 4078 /* 4079 * Idle the chip. 4080 */ 4081 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4082 4083 /* 4084 * Program the SIA. It's important to write in this order, 4085 * resetting the SIA first. 4086 */ 4087 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4088 delay(1000); 4089 4090 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4091 4092 switch (sc->sc_chip) { 4093 case TULIP_CHIP_21142: 4094 case TULIP_CHIP_21143: 4095 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4096 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4097 break; 4098 default: 4099 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4100 } 4101 4102 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4103 4104 /* 4105 * Set the OPMODE bits for this media and write OPMODE. 4106 * This will resume the transmit and receive processes. 4107 */ 4108 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4109 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4110 4111 return (0); 4112 } 4113 4114 /* 4115 * 21140 GPIO utility functions. 4116 */ 4117 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4118 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4119 struct ifmediareq *ifmr)); 4120 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4121 4122 void 4123 tlp_21140_gpio_update_link(sc) 4124 struct tulip_softc *sc; 4125 { 4126 struct ifmedia_entry *ife; 4127 struct tulip_21x4x_media *tm; 4128 4129 ife = TULIP_CURRENT_MEDIA(sc); 4130 tm = ife->ifm_aux; 4131 4132 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4133 4134 if (tm->tm_actmask != 0) { 4135 sc->sc_flags |= TULIPF_LINK_VALID; 4136 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4137 tm->tm_actdata) 4138 sc->sc_flags |= TULIPF_LINK_UP; 4139 } 4140 } 4141 4142 void 4143 tlp_21140_gpio_get(sc, ifmr) 4144 struct tulip_softc *sc; 4145 struct ifmediareq *ifmr; 4146 { 4147 struct ifmedia_entry *ife; 4148 4149 ifmr->ifm_status = 0; 4150 4151 tlp_21140_gpio_update_link(sc); 4152 4153 ife = TULIP_CURRENT_MEDIA(sc); 4154 4155 if (sc->sc_flags & TULIPF_LINK_VALID) 4156 ifmr->ifm_status |= IFM_AVALID; 4157 if (sc->sc_flags & TULIPF_LINK_UP) 4158 ifmr->ifm_status |= IFM_ACTIVE; 4159 ifmr->ifm_active = ife->ifm_media; 4160 } 4161 4162 int 4163 tlp_21140_gpio_set(sc) 4164 struct tulip_softc *sc; 4165 { 4166 struct ifmedia_entry *ife; 4167 struct tulip_21x4x_media *tm; 4168 4169 ife = TULIP_CURRENT_MEDIA(sc); 4170 tm = ife->ifm_aux; 4171 4172 /* 4173 * Idle the chip. 4174 */ 4175 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4176 4177 /* 4178 * Set the GPIO pins for this media, to flip any 4179 * relays, etc. 4180 */ 4181 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4182 delay(10); 4183 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4184 4185 /* 4186 * Set the OPMODE bits for this media and write OPMODE. 4187 * This will resume the transmit and receive processes. 4188 */ 4189 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4190 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4191 4192 return (0); 4193 } 4194 4195 /* 4196 * 21040 and 21041 media switches. 4197 */ 4198 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4199 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4200 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4201 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4202 4203 const struct tulip_mediasw tlp_21040_mediasw = { 4204 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4205 }; 4206 4207 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4208 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4209 }; 4210 4211 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4212 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4213 }; 4214 4215 const struct tulip_mediasw tlp_21041_mediasw = { 4216 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4217 }; 4218 4219 4220 void 4221 tlp_21040_tmsw_init(sc) 4222 struct tulip_softc *sc; 4223 { 4224 static const u_int8_t media[] = { 4225 TULIP_ROM_MB_MEDIA_TP, 4226 TULIP_ROM_MB_MEDIA_TP_FDX, 4227 TULIP_ROM_MB_MEDIA_AUI, 4228 }; 4229 struct tulip_21x4x_media *tm; 4230 4231 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4232 tlp_mediastatus); 4233 4234 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4235 4236 /* 4237 * No SROM type for External SIA. 4238 */ 4239 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4240 memset(tm, 0, sizeof(*tm)); 4241 tm->tm_name = "manual"; 4242 tm->tm_opmode = 0; 4243 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4244 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4245 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4246 ifmedia_add(&sc->sc_mii.mii_media, 4247 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4248 4249 /* 4250 * XXX Autosense not yet supported. 4251 */ 4252 4253 /* XXX This should be auto-sense. */ 4254 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4255 4256 tlp_print_media(sc); 4257 } 4258 4259 void 4260 tlp_21040_tp_tmsw_init(sc) 4261 struct tulip_softc *sc; 4262 { 4263 static const u_int8_t media[] = { 4264 TULIP_ROM_MB_MEDIA_TP, 4265 TULIP_ROM_MB_MEDIA_TP_FDX, 4266 }; 4267 4268 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4269 tlp_mediastatus); 4270 4271 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4272 4273 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4274 4275 tlp_print_media(sc); 4276 } 4277 4278 void 4279 tlp_21040_auibnc_tmsw_init(sc) 4280 struct tulip_softc *sc; 4281 { 4282 static const u_int8_t media[] = { 4283 TULIP_ROM_MB_MEDIA_AUI, 4284 }; 4285 4286 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4287 tlp_mediastatus); 4288 4289 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4290 4291 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4292 4293 tlp_print_media(sc); 4294 } 4295 4296 void 4297 tlp_21041_tmsw_init(sc) 4298 struct tulip_softc *sc; 4299 { 4300 static const u_int8_t media[] = { 4301 TULIP_ROM_MB_MEDIA_TP, 4302 TULIP_ROM_MB_MEDIA_TP_FDX, 4303 TULIP_ROM_MB_MEDIA_BNC, 4304 TULIP_ROM_MB_MEDIA_AUI, 4305 }; 4306 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4307 const struct tulip_srom_to_ifmedia *tsti; 4308 struct tulip_21x4x_media *tm; 4309 u_int16_t romdef; 4310 u_int8_t mb; 4311 4312 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4313 tlp_mediastatus); 4314 4315 if (tlp_isv_srom(sc->sc_srom) == 0) { 4316 not_isv_srom: 4317 /* 4318 * If we have a board without the standard 21041 SROM format, 4319 * we just assume all media are present and try and pick a 4320 * reasonable default. 4321 */ 4322 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4323 4324 /* 4325 * XXX Autosense not yet supported. 4326 */ 4327 4328 /* XXX This should be auto-sense. */ 4329 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4330 4331 tlp_print_media(sc); 4332 return; 4333 } 4334 4335 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4336 for (i = 0; i < devcnt; i++) { 4337 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4338 break; 4339 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4340 sc->sc_devno) 4341 break; 4342 } 4343 4344 if (i == devcnt) 4345 goto not_isv_srom; 4346 4347 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4348 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4349 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4350 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4351 4352 for (; m_cnt != 0; 4353 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4354 mb = sc->sc_srom[mb_offset]; 4355 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4356 memset(tm, 0, sizeof(*tm)); 4357 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4358 case TULIP_ROM_MB_MEDIA_TP_FDX: 4359 case TULIP_ROM_MB_MEDIA_TP: 4360 case TULIP_ROM_MB_MEDIA_BNC: 4361 case TULIP_ROM_MB_MEDIA_AUI: 4362 tsti = tlp_srom_to_ifmedia(mb & 4363 TULIP_ROM_MB_MEDIA_CODE); 4364 4365 tlp_srom_media_info(sc, tsti, tm); 4366 4367 /* 4368 * Override our default SIA settings if the 4369 * SROM contains its own. 4370 */ 4371 if (mb & TULIP_ROM_MB_EXT) { 4372 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4373 mb_offset + TULIP_ROM_MB_CSR13); 4374 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4375 mb_offset + TULIP_ROM_MB_CSR14); 4376 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4377 mb_offset + TULIP_ROM_MB_CSR15); 4378 } 4379 4380 ifmedia_add(&sc->sc_mii.mii_media, 4381 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4382 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4383 break; 4384 4385 default: 4386 printf("%s: unknown media code 0x%02x\n", 4387 sc->sc_dev.dv_xname, 4388 mb & TULIP_ROM_MB_MEDIA_CODE); 4389 free(tm, M_DEVBUF); 4390 } 4391 } 4392 4393 /* 4394 * XXX Autosense not yet supported. 4395 */ 4396 4397 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4398 TULIP_ROM_IL_SELECT_CONN_TYPE); 4399 switch (romdef) { 4400 case SELECT_CONN_TYPE_TP: 4401 case SELECT_CONN_TYPE_TP_AUTONEG: 4402 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4403 defmedia = IFM_ETHER|IFM_10_T; 4404 break; 4405 4406 case SELECT_CONN_TYPE_TP_FDX: 4407 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4408 break; 4409 4410 case SELECT_CONN_TYPE_BNC: 4411 defmedia = IFM_ETHER|IFM_10_2; 4412 break; 4413 4414 case SELECT_CONN_TYPE_AUI: 4415 defmedia = IFM_ETHER|IFM_10_5; 4416 break; 4417 #if 0 /* XXX */ 4418 case SELECT_CONN_TYPE_ASENSE: 4419 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4420 defmedia = IFM_ETHER|IFM_AUTO; 4421 break; 4422 #endif 4423 default: 4424 defmedia = 0; 4425 } 4426 4427 if (defmedia == 0) { 4428 /* 4429 * XXX We should default to auto-sense. 4430 */ 4431 defmedia = IFM_ETHER|IFM_10_T; 4432 } 4433 4434 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4435 4436 tlp_print_media(sc); 4437 } 4438 4439 /* 4440 * DECchip 2114x ISV media switch. 4441 */ 4442 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4443 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4444 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4445 4446 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4447 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4448 }; 4449 4450 void 4451 tlp_2114x_isv_tmsw_init(sc) 4452 struct tulip_softc *sc; 4453 { 4454 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4455 struct ifmedia_entry *ife; 4456 struct mii_softc *phy; 4457 struct tulip_21x4x_media *tm; 4458 const struct tulip_srom_to_ifmedia *tsti; 4459 int i, devcnt, leaf_offset, m_cnt, type, length; 4460 int defmedia, miidef; 4461 u_int16_t word; 4462 u_int8_t *cp, *ncp; 4463 4464 defmedia = miidef = 0; 4465 4466 sc->sc_mii.mii_ifp = ifp; 4467 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4468 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4469 sc->sc_mii.mii_statchg = sc->sc_statchg; 4470 4471 /* 4472 * Ignore `instance'; we may get a mixture of SIA and MII 4473 * media, and `instance' is used to isolate or select the 4474 * PHY on the MII as appropriate. Note that duplicate media 4475 * are disallowed, so ignoring `instance' is safe. 4476 */ 4477 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4478 tlp_mediastatus); 4479 4480 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4481 for (i = 0; i < devcnt; i++) { 4482 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4483 break; 4484 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4485 sc->sc_devno) 4486 break; 4487 } 4488 4489 if (i == devcnt) { 4490 printf("%s: unable to locate info leaf in SROM\n", 4491 sc->sc_dev.dv_xname); 4492 return; 4493 } 4494 4495 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4496 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4497 4498 /* XXX SELECT CONN TYPE */ 4499 4500 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4501 4502 /* 4503 * On some chips, the first thing in the Info Leaf is the 4504 * GPIO pin direction data. 4505 */ 4506 switch (sc->sc_chip) { 4507 case TULIP_CHIP_21140: 4508 case TULIP_CHIP_21140A: 4509 case TULIP_CHIP_MX98713: 4510 case TULIP_CHIP_AX88140: 4511 case TULIP_CHIP_AX88141: 4512 sc->sc_gp_dir = *cp++; 4513 break; 4514 4515 default: 4516 /* Nothing. */ 4517 } 4518 4519 /* Get the media count. */ 4520 m_cnt = *cp++; 4521 4522 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4523 /* 4524 * Determine the type and length of this media block. 4525 */ 4526 if ((*cp & 0x80) == 0) { 4527 length = 4; 4528 type = TULIP_ROM_MB_21140_GPR; 4529 } else { 4530 length = (*cp++ & 0x7f) - 1; 4531 type = *cp++ & 0x3f; 4532 } 4533 4534 /* Compute the start of the next block. */ 4535 ncp = cp + length; 4536 4537 /* Now, parse the block. */ 4538 switch (type) { 4539 case TULIP_ROM_MB_21140_GPR: 4540 tlp_get_minst(sc); 4541 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4542 4543 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4544 memset(tm, 0, sizeof(*tm)); 4545 4546 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4547 tm->tm_get = tlp_21140_gpio_get; 4548 tm->tm_set = tlp_21140_gpio_set; 4549 4550 /* First is the media type code. */ 4551 tsti = tlp_srom_to_ifmedia(cp[0] & 4552 TULIP_ROM_MB_MEDIA_CODE); 4553 if (tsti == NULL) { 4554 /* Invalid media code. */ 4555 free(tm, M_DEVBUF); 4556 break; 4557 } 4558 4559 /* Get defaults. */ 4560 tlp_srom_media_info(sc, tsti, tm); 4561 4562 /* Next is any GPIO info for this media. */ 4563 tm->tm_gpdata = cp[1]; 4564 4565 /* 4566 * Next is a word containing OPMODE information 4567 * and info on how to detect if this media is 4568 * active. 4569 */ 4570 word = TULIP_ROM_GETW(cp, 2); 4571 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4572 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4573 tm->tm_actmask = 4574 TULIP_ROM_MB_BITPOS(word); 4575 tm->tm_actdata = 4576 (word & TULIP_ROM_MB_POLARITY) ? 4577 0 : tm->tm_actmask; 4578 } 4579 4580 ifmedia_add(&sc->sc_mii.mii_media, 4581 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4582 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4583 break; 4584 4585 case TULIP_ROM_MB_21140_MII: 4586 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4587 4588 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4589 memset(tm, 0, sizeof(*tm)); 4590 4591 tm->tm_type = TULIP_ROM_MB_21140_MII; 4592 tm->tm_get = tlp_mii_getmedia; 4593 tm->tm_set = tlp_mii_setmedia; 4594 tm->tm_opmode = OPMODE_PS; 4595 4596 if (sc->sc_reset == NULL) 4597 sc->sc_reset = tlp_21140_reset; 4598 4599 /* First is the PHY number. */ 4600 tm->tm_phyno = *cp++; 4601 4602 /* Next is the MII select sequence length and offset. */ 4603 tm->tm_gp_length = *cp++; 4604 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4605 cp += tm->tm_gp_length; 4606 4607 /* Next is the MII reset sequence length and offset. */ 4608 tm->tm_reset_length = *cp++; 4609 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4610 cp += tm->tm_reset_length; 4611 4612 /* 4613 * The following items are left in the media block 4614 * that we don't particularly care about: 4615 * 4616 * capabilities W 4617 * advertisement W 4618 * full duplex W 4619 * tx threshold W 4620 * 4621 * These appear to be bits in the PHY registers, 4622 * which our MII code handles on its own. 4623 */ 4624 4625 /* 4626 * Before we probe the MII bus, we need to reset 4627 * it and issue the selection sequence. 4628 */ 4629 4630 /* Set the direction of the pins... */ 4631 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4632 4633 for (i = 0; i < tm->tm_reset_length; i++) { 4634 delay(10); 4635 TULIP_WRITE(sc, CSR_GPP, 4636 sc->sc_srom[tm->tm_reset_offset + i]); 4637 } 4638 4639 for (i = 0; i < tm->tm_gp_length; i++) { 4640 delay(10); 4641 TULIP_WRITE(sc, CSR_GPP, 4642 sc->sc_srom[tm->tm_gp_offset + i]); 4643 } 4644 4645 /* If there were no sequences, just lower the pins. */ 4646 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4647 delay(10); 4648 TULIP_WRITE(sc, CSR_GPP, 0); 4649 } 4650 4651 /* 4652 * Now, probe the MII for the PHY. Note, we know 4653 * the location of the PHY on the bus, but we don't 4654 * particularly care; the MII code just likes to 4655 * search the whole thing anyhow. 4656 */ 4657 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4658 MII_PHY_ANY, tm->tm_phyno, 0); 4659 4660 /* 4661 * Now, search for the PHY we hopefully just 4662 * configured. If it's not configured into the 4663 * kernel, we lose. The PHY's default media always 4664 * takes priority. 4665 */ 4666 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4667 phy != NULL; 4668 phy = LIST_NEXT(phy, mii_list)) 4669 if (phy->mii_offset == tm->tm_phyno) 4670 break; 4671 if (phy == NULL) { 4672 printf("%s: unable to configure MII\n", 4673 sc->sc_dev.dv_xname); 4674 break; 4675 } 4676 4677 sc->sc_flags |= TULIPF_HAS_MII; 4678 sc->sc_tick = tlp_mii_tick; 4679 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4680 phy->mii_inst); 4681 4682 /* 4683 * Okay, now that we've found the PHY and the MII 4684 * layer has added all of the media associated 4685 * with that PHY, we need to traverse the media 4686 * list, and add our `tm' to each entry's `aux' 4687 * pointer. 4688 * 4689 * We do this by looking for media with our 4690 * PHY's `instance'. 4691 */ 4692 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4693 ife != NULL; 4694 ife = TAILQ_NEXT(ife, ifm_list)) { 4695 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4696 continue; 4697 ife->ifm_aux = tm; 4698 } 4699 break; 4700 4701 case TULIP_ROM_MB_21142_SIA: 4702 tlp_get_minst(sc); 4703 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4704 4705 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4706 memset(tm, 0, sizeof(*tm)); 4707 4708 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4709 tm->tm_get = tlp_sia_get; 4710 tm->tm_set = tlp_sia_set; 4711 4712 /* First is the media type code. */ 4713 tsti = tlp_srom_to_ifmedia(cp[0] & 4714 TULIP_ROM_MB_MEDIA_CODE); 4715 if (tsti == NULL) { 4716 /* Invalid media code. */ 4717 free(tm, M_DEVBUF); 4718 break; 4719 } 4720 4721 /* Get defaults. */ 4722 tlp_srom_media_info(sc, tsti, tm); 4723 4724 /* 4725 * Override our default SIA settings if the 4726 * SROM contains its own. 4727 */ 4728 if (cp[0] & 0x40) { 4729 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4730 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4731 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4732 cp += 7; 4733 } else 4734 cp++; 4735 4736 /* Next is GPIO control/data. */ 4737 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4738 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4739 4740 ifmedia_add(&sc->sc_mii.mii_media, 4741 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4742 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4743 break; 4744 4745 case TULIP_ROM_MB_21142_MII: 4746 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4747 4748 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4749 memset(tm, 0, sizeof(*tm)); 4750 4751 tm->tm_type = TULIP_ROM_MB_21142_MII; 4752 tm->tm_get = tlp_mii_getmedia; 4753 tm->tm_set = tlp_mii_setmedia; 4754 tm->tm_opmode = OPMODE_PS; 4755 4756 if (sc->sc_reset == NULL) 4757 sc->sc_reset = tlp_21142_reset; 4758 4759 /* First is the PHY number. */ 4760 tm->tm_phyno = *cp++; 4761 4762 /* Next is the MII select sequence length and offset. */ 4763 tm->tm_gp_length = *cp++; 4764 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4765 cp += tm->tm_gp_length * 2; 4766 4767 /* Next is the MII reset sequence length and offset. */ 4768 tm->tm_reset_length = *cp++; 4769 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4770 cp += tm->tm_reset_length * 2; 4771 4772 /* 4773 * The following items are left in the media block 4774 * that we don't particularly care about: 4775 * 4776 * capabilities W 4777 * advertisement W 4778 * full duplex W 4779 * tx threshold W 4780 * MII interrupt W 4781 * 4782 * These appear to be bits in the PHY registers, 4783 * which our MII code handles on its own. 4784 */ 4785 4786 /* 4787 * Before we probe the MII bus, we need to reset 4788 * it and issue the selection sequence. 4789 */ 4790 4791 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4792 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4793 delay(10); 4794 TULIP_WRITE(sc, CSR_SIAGEN, 4795 TULIP_ROM_GETW(ncp, 0) << 16); 4796 } 4797 4798 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4799 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4800 delay(10); 4801 TULIP_WRITE(sc, CSR_SIAGEN, 4802 TULIP_ROM_GETW(ncp, 0) << 16); 4803 } 4804 4805 /* If there were no sequences, just lower the pins. */ 4806 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4807 delay(10); 4808 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4809 } 4810 4811 /* 4812 * Now, probe the MII for the PHY. Note, we know 4813 * the location of the PHY on the bus, but we don't 4814 * particularly care; the MII code just likes to 4815 * search the whole thing anyhow. 4816 */ 4817 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4818 MII_PHY_ANY, tm->tm_phyno, 0); 4819 4820 /* 4821 * Now, search for the PHY we hopefully just 4822 * configured. If it's not configured into the 4823 * kernel, we lose. The PHY's default media always 4824 * takes priority. 4825 */ 4826 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4827 phy != NULL; 4828 phy = LIST_NEXT(phy, mii_list)) 4829 if (phy->mii_offset == tm->tm_phyno) 4830 break; 4831 if (phy == NULL) { 4832 printf("%s: unable to configure MII\n", 4833 sc->sc_dev.dv_xname); 4834 break; 4835 } 4836 4837 sc->sc_flags |= TULIPF_HAS_MII; 4838 sc->sc_tick = tlp_mii_tick; 4839 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4840 phy->mii_inst); 4841 4842 /* 4843 * Okay, now that we've found the PHY and the MII 4844 * layer has added all of the media associated 4845 * with that PHY, we need to traverse the media 4846 * list, and add our `tm' to each entry's `aux' 4847 * pointer. 4848 * 4849 * We do this by looking for media with our 4850 * PHY's `instance'. 4851 */ 4852 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4853 ife != NULL; 4854 ife = TAILQ_NEXT(ife, ifm_list)) { 4855 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4856 continue; 4857 ife->ifm_aux = tm; 4858 } 4859 break; 4860 4861 case TULIP_ROM_MB_21143_SYM: 4862 tlp_get_minst(sc); 4863 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4864 4865 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4866 memset(tm, 0, sizeof(*tm)); 4867 4868 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4869 tm->tm_get = tlp_sia_get; 4870 tm->tm_set = tlp_sia_set; 4871 4872 /* First is the media type code. */ 4873 tsti = tlp_srom_to_ifmedia(cp[0] & 4874 TULIP_ROM_MB_MEDIA_CODE); 4875 if (tsti == NULL) { 4876 /* Invalid media code. */ 4877 free(tm, M_DEVBUF); 4878 break; 4879 } 4880 4881 /* Get defaults. */ 4882 tlp_srom_media_info(sc, tsti, tm); 4883 4884 /* Next is GPIO control/data. */ 4885 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4886 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4887 4888 /* 4889 * Next is a word containing OPMODE information 4890 * and info on how to detect if this media is 4891 * active. 4892 */ 4893 word = TULIP_ROM_GETW(cp, 5); 4894 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4895 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4896 tm->tm_actmask = 4897 TULIP_ROM_MB_BITPOS(word); 4898 tm->tm_actdata = 4899 (word & TULIP_ROM_MB_POLARITY) ? 4900 0 : tm->tm_actmask; 4901 } 4902 4903 ifmedia_add(&sc->sc_mii.mii_media, 4904 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4905 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4906 break; 4907 4908 case TULIP_ROM_MB_21143_RESET: 4909 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4910 break; 4911 4912 default: 4913 printf("%s: unknown ISV media block type 0x%02x\n", 4914 sc->sc_dev.dv_xname, type); 4915 } 4916 } 4917 4918 /* 4919 * Deal with the case where no media is configured. 4920 */ 4921 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4922 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4923 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4924 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4925 return; 4926 } 4927 4928 /* 4929 * Pick the default media. 4930 */ 4931 if (miidef != 0) 4932 defmedia = miidef; 4933 else { 4934 /* 4935 * XXX Pick a better default. Should come from SROM 4936 * XXX on 21140[A], and should be "auto" on 21142, 4937 * XXX 21143, and Macronix chips. 4938 */ 4939 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4940 } 4941 4942 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4943 4944 /* 4945 * Display any non-MII media we've located. 4946 */ 4947 if (sc->sc_media_seen & 4948 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4949 tlp_print_media(sc); 4950 4951 tlp_sia_fixup(sc); 4952 } 4953 4954 void 4955 tlp_2114x_isv_tmsw_get(sc, ifmr) 4956 struct tulip_softc *sc; 4957 struct ifmediareq *ifmr; 4958 { 4959 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4960 struct tulip_21x4x_media *tm = ife->ifm_aux; 4961 4962 /* 4963 * We might be polling a non-MII autosense; check for that. 4964 */ 4965 if (tm == NULL) { 4966 #ifdef DIAGNOSTIC 4967 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4968 panic("tlp_2114x_isv_tmsw_get"); 4969 #endif 4970 tm = sc->sc_nway_active->ifm_aux; 4971 } 4972 4973 (*tm->tm_get)(sc, ifmr); 4974 } 4975 4976 int 4977 tlp_2114x_isv_tmsw_set(sc) 4978 struct tulip_softc *sc; 4979 { 4980 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4981 struct tulip_21x4x_media *tm = ife->ifm_aux; 4982 4983 /* 4984 * We might be setting a non-MII autosense; check for that. 4985 */ 4986 if (tm == NULL) { 4987 #ifdef DIAGNOSTIC 4988 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4989 panic("tlp_2114x_isv_tmsw_set"); 4990 #endif 4991 /* XXX XXX XXX */ 4992 } 4993 4994 /* 4995 * Check to see if we need to reset the chip, and do it. The 4996 * reset path will get the OPMODE register right the next 4997 * time through. 4998 */ 4999 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5000 return (tlp_init(&sc->sc_ethercom.ec_if)); 5001 5002 return ((*tm->tm_set)(sc)); 5003 } 5004 5005 /* 5006 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5007 */ 5008 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5009 5010 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5011 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5012 }; 5013 5014 void 5015 tlp_sio_mii_tmsw_init(sc) 5016 struct tulip_softc *sc; 5017 { 5018 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5019 5020 /* 5021 * We don't attach any media info structures to the ifmedia 5022 * entries, so if we're using a pre-init function that needs 5023 * that info, override it to one that doesn't. 5024 */ 5025 if (sc->sc_preinit == tlp_2114x_preinit) 5026 sc->sc_preinit = tlp_2114x_mii_preinit; 5027 5028 sc->sc_mii.mii_ifp = ifp; 5029 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5030 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5031 sc->sc_mii.mii_statchg = sc->sc_statchg; 5032 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5033 tlp_mediastatus); 5034 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5035 MII_OFFSET_ANY, 0); 5036 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5037 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5038 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5039 } else { 5040 sc->sc_flags |= TULIPF_HAS_MII; 5041 sc->sc_tick = tlp_mii_tick; 5042 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5043 } 5044 } 5045 5046 /* 5047 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5048 */ 5049 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5050 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5051 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5052 5053 const struct tulip_mediasw tlp_pnic_mediasw = { 5054 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5055 }; 5056 5057 void tlp_pnic_nway_statchg __P((struct device *)); 5058 void tlp_pnic_nway_tick __P((void *)); 5059 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5060 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5061 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5062 void tlp_pnic_nway_auto_timeout __P((void *)); 5063 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5064 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5065 5066 void 5067 tlp_pnic_tmsw_init(sc) 5068 struct tulip_softc *sc; 5069 { 5070 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5071 const char *sep = ""; 5072 5073 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5074 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5075 5076 sc->sc_mii.mii_ifp = ifp; 5077 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5078 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5079 sc->sc_mii.mii_statchg = sc->sc_statchg; 5080 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5081 tlp_mediastatus); 5082 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5083 MII_OFFSET_ANY, 0); 5084 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5085 /* XXX What about AUI/BNC support? */ 5086 printf("%s: ", sc->sc_dev.dv_xname); 5087 5088 tlp_pnic_nway_reset(sc); 5089 5090 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5091 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5092 PRINT("10baseT"); 5093 5094 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5095 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5096 PRINT("10baseT-FDX"); 5097 5098 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5099 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5100 PRINT("100baseTX"); 5101 5102 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5103 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5104 PNIC_NWAY_CAP100TXFDX); 5105 PRINT("100baseTX-FDX"); 5106 5107 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5108 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5109 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5110 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5111 PRINT("auto"); 5112 5113 printf("\n"); 5114 5115 sc->sc_statchg = tlp_pnic_nway_statchg; 5116 sc->sc_tick = tlp_pnic_nway_tick; 5117 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5118 } else { 5119 sc->sc_flags |= TULIPF_HAS_MII; 5120 sc->sc_tick = tlp_mii_tick; 5121 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5122 } 5123 5124 #undef ADD 5125 #undef PRINT 5126 } 5127 5128 void 5129 tlp_pnic_tmsw_get(sc, ifmr) 5130 struct tulip_softc *sc; 5131 struct ifmediareq *ifmr; 5132 { 5133 struct mii_data *mii = &sc->sc_mii; 5134 5135 if (sc->sc_flags & TULIPF_HAS_MII) 5136 tlp_mii_getmedia(sc, ifmr); 5137 else { 5138 mii->mii_media_status = 0; 5139 mii->mii_media_active = IFM_NONE; 5140 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5141 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5142 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5143 } 5144 } 5145 5146 int 5147 tlp_pnic_tmsw_set(sc) 5148 struct tulip_softc *sc; 5149 { 5150 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5151 struct mii_data *mii = &sc->sc_mii; 5152 5153 if (sc->sc_flags & TULIPF_HAS_MII) { 5154 /* 5155 * Make sure the built-in Tx jabber timer is disabled. 5156 */ 5157 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5158 5159 return (tlp_mii_setmedia(sc)); 5160 } 5161 5162 if (ifp->if_flags & IFF_UP) { 5163 mii->mii_media_status = 0; 5164 mii->mii_media_active = IFM_NONE; 5165 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5166 } 5167 5168 return (0); 5169 } 5170 5171 void 5172 tlp_pnic_nway_statchg(self) 5173 struct device *self; 5174 { 5175 struct tulip_softc *sc = (struct tulip_softc *)self; 5176 5177 /* Idle the transmit and receive processes. */ 5178 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5179 5180 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5181 OPMODE_SCR|OPMODE_HBD); 5182 5183 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5184 sc->sc_opmode |= OPMODE_TTM; 5185 TULIP_WRITE(sc, CSR_GPP, 5186 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5187 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5188 } else { 5189 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5190 TULIP_WRITE(sc, CSR_GPP, 5191 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5192 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5193 } 5194 5195 if (sc->sc_mii.mii_media_active & IFM_FDX) 5196 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5197 5198 /* 5199 * Write new OPMODE bits. This also restarts the transmit 5200 * and receive processes. 5201 */ 5202 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5203 } 5204 5205 void 5206 tlp_pnic_nway_tick(arg) 5207 void *arg; 5208 { 5209 struct tulip_softc *sc = arg; 5210 int s; 5211 5212 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5213 return; 5214 5215 s = splnet(); 5216 tlp_pnic_nway_service(sc, MII_TICK); 5217 splx(s); 5218 5219 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5220 } 5221 5222 /* 5223 * Support for the Lite-On PNIC internal NWay block. This is constructed 5224 * somewhat like a PHY driver for simplicity. 5225 */ 5226 5227 int 5228 tlp_pnic_nway_service(sc, cmd) 5229 struct tulip_softc *sc; 5230 int cmd; 5231 { 5232 struct mii_data *mii = &sc->sc_mii; 5233 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5234 5235 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5236 return (0); 5237 5238 switch (cmd) { 5239 case MII_POLLSTAT: 5240 /* Nothing special to do here. */ 5241 break; 5242 5243 case MII_MEDIACHG: 5244 switch (IFM_SUBTYPE(ife->ifm_media)) { 5245 case IFM_AUTO: 5246 (void) tlp_pnic_nway_auto(sc, 1); 5247 break; 5248 case IFM_100_T4: 5249 /* 5250 * XXX Not supported as a manual setting right now. 5251 */ 5252 return (EINVAL); 5253 default: 5254 /* 5255 * NWAY register data is stored in the ifmedia entry. 5256 */ 5257 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5258 } 5259 break; 5260 5261 case MII_TICK: 5262 /* 5263 * Only used for autonegotiation. 5264 */ 5265 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5266 return (0); 5267 5268 /* 5269 * Check to see if we have link. If we do, we don't 5270 * need to restart the autonegotiation process. 5271 */ 5272 if (sc->sc_flags & TULIPF_LINK_UP) 5273 return (0); 5274 5275 /* 5276 * Only retry autonegotiation every 5 seconds. 5277 */ 5278 if (++sc->sc_nway_ticks != 5) 5279 return (0); 5280 5281 sc->sc_nway_ticks = 0; 5282 tlp_pnic_nway_reset(sc); 5283 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5284 return (0); 5285 break; 5286 } 5287 5288 /* Update the media status. */ 5289 tlp_pnic_nway_status(sc); 5290 5291 /* Callback if something changed. */ 5292 if ((sc->sc_nway_active == NULL || 5293 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5294 cmd == MII_MEDIACHG) { 5295 (*sc->sc_statchg)(&sc->sc_dev); 5296 tlp_nway_activate(sc, mii->mii_media_active); 5297 } 5298 return (0); 5299 } 5300 5301 void 5302 tlp_pnic_nway_reset(sc) 5303 struct tulip_softc *sc; 5304 { 5305 5306 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5307 delay(100); 5308 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5309 } 5310 5311 int 5312 tlp_pnic_nway_auto(sc, waitfor) 5313 struct tulip_softc *sc; 5314 int waitfor; 5315 { 5316 struct mii_data *mii = &sc->sc_mii; 5317 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5318 u_int32_t reg; 5319 int i; 5320 5321 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5322 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5323 5324 if (waitfor) { 5325 /* Wait 500ms for it to complete. */ 5326 for (i = 0; i < 500; i++) { 5327 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5328 if (reg & PNIC_NWAY_LPAR_MASK) { 5329 tlp_pnic_nway_acomp(sc); 5330 return (0); 5331 } 5332 delay(1000); 5333 } 5334 #if 0 5335 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5336 printf("%s: autonegotiation failed to complete\n", 5337 sc->sc_dev.dv_xname); 5338 #endif 5339 5340 /* 5341 * Don't need to worry about clearing DOINGAUTO. 5342 * If that's set, a timeout is pending, and it will 5343 * clear the flag. 5344 */ 5345 return (EIO); 5346 } 5347 5348 /* 5349 * Just let it finish asynchronously. This is for the benefit of 5350 * the tick handler driving autonegotiation. Don't want 500ms 5351 * delays all the time while the system is running! 5352 */ 5353 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5354 sc->sc_flags |= TULIPF_DOINGAUTO; 5355 callout_reset(&sc->sc_nway_callout, hz >> 1, 5356 tlp_pnic_nway_auto_timeout, sc); 5357 } 5358 return (EJUSTRETURN); 5359 } 5360 5361 void 5362 tlp_pnic_nway_auto_timeout(arg) 5363 void *arg; 5364 { 5365 struct tulip_softc *sc = arg; 5366 u_int32_t reg; 5367 int s; 5368 5369 s = splnet(); 5370 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5371 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5372 #if 0 5373 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5374 printf("%s: autonegotiation failed to complete\n", 5375 sc->sc_dev.dv_xname); 5376 #endif 5377 5378 tlp_pnic_nway_acomp(sc); 5379 5380 /* Update the media status. */ 5381 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5382 splx(s); 5383 } 5384 5385 void 5386 tlp_pnic_nway_status(sc) 5387 struct tulip_softc *sc; 5388 { 5389 struct mii_data *mii = &sc->sc_mii; 5390 u_int32_t reg; 5391 5392 mii->mii_media_status = IFM_AVALID; 5393 mii->mii_media_active = IFM_ETHER; 5394 5395 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5396 5397 if (sc->sc_flags & TULIPF_LINK_UP) 5398 mii->mii_media_status |= IFM_ACTIVE; 5399 5400 if (reg & PNIC_NWAY_NW) { 5401 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5402 /* Erg, still trying, I guess... */ 5403 mii->mii_media_active |= IFM_NONE; 5404 return; 5405 } 5406 5407 #if 0 5408 if (reg & PNIC_NWAY_LPAR100T4) 5409 mii->mii_media_active |= IFM_100_T4; 5410 else 5411 #endif 5412 if (reg & PNIC_NWAY_LPAR100TXFDX) 5413 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5414 else if (reg & PNIC_NWAY_LPAR100TX) 5415 mii->mii_media_active |= IFM_100_TX; 5416 else if (reg & PNIC_NWAY_LPAR10TFDX) 5417 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5418 else if (reg & PNIC_NWAY_LPAR10T) 5419 mii->mii_media_active |= IFM_10_T; 5420 else 5421 mii->mii_media_active |= IFM_NONE; 5422 } else { 5423 if (reg & PNIC_NWAY_100) 5424 mii->mii_media_active |= IFM_100_TX; 5425 else 5426 mii->mii_media_active |= IFM_10_T; 5427 if (reg & PNIC_NWAY_FD) 5428 mii->mii_media_active |= IFM_FDX; 5429 } 5430 } 5431 5432 void 5433 tlp_pnic_nway_acomp(sc) 5434 struct tulip_softc *sc; 5435 { 5436 u_int32_t reg; 5437 5438 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5439 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5440 5441 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5442 reg |= PNIC_NWAY_100; 5443 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5444 reg |= PNIC_NWAY_FD; 5445 5446 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5447 } 5448 5449 /* 5450 * Macronix PMAC and Lite-On PNIC-II media switch: 5451 * 5452 * MX98713 and MX98713A 21140-like MII or GPIO media. 5453 * 5454 * MX98713A 21143-like MII or SIA/SYM media. 5455 * 5456 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5457 * 82C115, MX98715AEC-C, -E 5458 * 5459 * So, what we do here is fake MII-on-SIO or ISV media info, and 5460 * use the ISV media switch get/set functions to handle the rest. 5461 */ 5462 5463 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5464 5465 const struct tulip_mediasw tlp_pmac_mediasw = { 5466 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5467 }; 5468 5469 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5470 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5471 }; 5472 5473 void 5474 tlp_pmac_tmsw_init(sc) 5475 struct tulip_softc *sc; 5476 { 5477 static const u_int8_t media[] = { 5478 TULIP_ROM_MB_MEDIA_TP, 5479 TULIP_ROM_MB_MEDIA_TP_FDX, 5480 TULIP_ROM_MB_MEDIA_100TX, 5481 TULIP_ROM_MB_MEDIA_100TX_FDX, 5482 }; 5483 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5484 5485 sc->sc_mii.mii_ifp = ifp; 5486 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5487 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5488 sc->sc_mii.mii_statchg = sc->sc_statchg; 5489 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5490 tlp_mediastatus); 5491 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5492 sc->sc_chip == TULIP_CHIP_MX98713A) { 5493 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5494 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5495 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5496 sc->sc_flags |= TULIPF_HAS_MII; 5497 sc->sc_tick = tlp_mii_tick; 5498 sc->sc_preinit = tlp_2114x_mii_preinit; 5499 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5500 ifmedia_set(&sc->sc_mii.mii_media, 5501 IFM_ETHER|IFM_AUTO); 5502 return; 5503 } 5504 } 5505 5506 switch (sc->sc_chip) { 5507 case TULIP_CHIP_MX98713: 5508 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5509 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5510 5511 /* 5512 * XXX Should implement auto-sense for this someday, 5513 * XXX when we do the same for the 21140. 5514 */ 5515 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5516 break; 5517 5518 default: 5519 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5520 tlp_sia_get, tlp_sia_set, media, 2); 5521 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5522 tlp_sia_get, tlp_sia_set, media + 2, 2); 5523 5524 /* 5525 * XXX Autonegotiation not yet supported. 5526 */ 5527 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5528 break; 5529 } 5530 5531 tlp_print_media(sc); 5532 tlp_sia_fixup(sc); 5533 5534 /* Set the LED modes. */ 5535 tlp_pmac_reset(sc); 5536 5537 sc->sc_reset = tlp_pmac_reset; 5538 } 5539 5540 /* 5541 * ADMtek AL981 media switch. Only has internal PHY. 5542 */ 5543 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5544 5545 const struct tulip_mediasw tlp_al981_mediasw = { 5546 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5547 }; 5548 5549 void 5550 tlp_al981_tmsw_init(sc) 5551 struct tulip_softc *sc; 5552 { 5553 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5554 5555 sc->sc_mii.mii_ifp = ifp; 5556 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5557 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5558 sc->sc_mii.mii_statchg = sc->sc_statchg; 5559 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5560 tlp_mediastatus); 5561 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5562 MII_OFFSET_ANY, 0); 5563 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5564 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5565 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5566 } else { 5567 sc->sc_flags |= TULIPF_HAS_MII; 5568 sc->sc_tick = tlp_mii_tick; 5569 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5570 } 5571 } 5572 5573 /* 5574 * ADMtek AN983/985 media switch. Only has internal PHY, but 5575 * on an SIO-like interface. Unfortunately, we can't use the 5576 * standard SIO media switch, because the AN985 "ghosts" the 5577 * singly PHY at every address. 5578 */ 5579 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5580 5581 const struct tulip_mediasw tlp_an985_mediasw = { 5582 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5583 }; 5584 5585 void 5586 tlp_an985_tmsw_init(sc) 5587 struct tulip_softc *sc; 5588 { 5589 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5590 5591 sc->sc_mii.mii_ifp = ifp; 5592 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5593 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5594 sc->sc_mii.mii_statchg = sc->sc_statchg; 5595 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5596 tlp_mediastatus); 5597 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5598 MII_OFFSET_ANY, 0); 5599 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5600 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5601 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5602 } else { 5603 sc->sc_flags |= TULIPF_HAS_MII; 5604 sc->sc_tick = tlp_mii_tick; 5605 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5606 } 5607 } 5608 5609 /* 5610 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5611 */ 5612 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5613 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5614 struct ifmediareq *)); 5615 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5616 5617 const struct tulip_mediasw tlp_dm9102_mediasw = { 5618 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5619 tlp_dm9102_tmsw_setmedia 5620 }; 5621 5622 void 5623 tlp_dm9102_tmsw_init(sc) 5624 struct tulip_softc *sc; 5625 { 5626 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5627 u_int32_t opmode; 5628 5629 sc->sc_mii.mii_ifp = ifp; 5630 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5631 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5632 sc->sc_mii.mii_statchg = sc->sc_statchg; 5633 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5634 tlp_mediastatus); 5635 5636 /* PHY block already reset via tlp_reset(). */ 5637 5638 /* 5639 * Configure OPMODE properly for the internal MII interface. 5640 */ 5641 switch (sc->sc_chip) { 5642 case TULIP_CHIP_DM9102: 5643 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5644 break; 5645 5646 case TULIP_CHIP_DM9102A: 5647 opmode = OPMODE_MBO|OPMODE_HBD; 5648 break; 5649 5650 default: 5651 /* Nothing. */ 5652 } 5653 5654 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5655 5656 /* Now, probe the internal MII for the internal PHY. */ 5657 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5658 MII_OFFSET_ANY, 0); 5659 5660 /* 5661 * XXX Figure out what to do about the HomePNA portion 5662 * XXX of the DM9102A. 5663 */ 5664 5665 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5666 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5667 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5668 } else { 5669 sc->sc_flags |= TULIPF_HAS_MII; 5670 sc->sc_tick = tlp_mii_tick; 5671 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5672 } 5673 } 5674 5675 void 5676 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5677 struct tulip_softc *sc; 5678 struct ifmediareq *ifmr; 5679 { 5680 5681 /* XXX HomePNA on DM9102A. */ 5682 tlp_mii_getmedia(sc, ifmr); 5683 } 5684 5685 int 5686 tlp_dm9102_tmsw_setmedia(sc) 5687 struct tulip_softc *sc; 5688 { 5689 5690 /* XXX HomePNA on DM9102A. */ 5691 return (tlp_mii_setmedia(sc)); 5692 } 5693
Indexes created Tue Sep 23 07:09:52 GMT 2025