tulip.c revision 1.90
1 /* $NetBSD: tulip.c,v 1.90 2001/02/21 21:39:55 jdolecek 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 * const 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 * const 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 * const 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 * const 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 * const 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 * const *tx_state_names, * const *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 } 2981 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2982 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 2983 switch (sc->sc_chip) { 2984 case TULIP_CHIP_AN983: 2985 case TULIP_CHIP_AN985: 2986 /* 2987 * Filter the message out on noisy chips. 2988 */ 2989 break; 2990 default: 2991 printf("%s: receive process failed to idle: " 2992 "state %s\n", sc->sc_dev.dv_xname, 2993 rx_state_names[(csr & STATUS_RS) >> 17]); 2994 } 2995 } 2996 } 2997 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2998 } 2999 3000 /***************************************************************************** 3001 * Generic media support functions. 3002 *****************************************************************************/ 3003 3004 /* 3005 * tlp_mediastatus: [ifmedia interface function] 3006 * 3007 * Query the current media. 3008 */ 3009 void 3010 tlp_mediastatus(ifp, ifmr) 3011 struct ifnet *ifp; 3012 struct ifmediareq *ifmr; 3013 { 3014 struct tulip_softc *sc = ifp->if_softc; 3015 3016 if (TULIP_IS_ENABLED(sc) == 0) { 3017 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3018 ifmr->ifm_status = 0; 3019 return; 3020 } 3021 3022 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3023 } 3024 3025 /* 3026 * tlp_mediachange: [ifmedia interface function] 3027 * 3028 * Update the current media. 3029 */ 3030 int 3031 tlp_mediachange(ifp) 3032 struct ifnet *ifp; 3033 { 3034 struct tulip_softc *sc = ifp->if_softc; 3035 3036 if ((ifp->if_flags & IFF_UP) == 0) 3037 return (0); 3038 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3039 } 3040 3041 /***************************************************************************** 3042 * Support functions for MII-attached media. 3043 *****************************************************************************/ 3044 3045 /* 3046 * tlp_mii_tick: 3047 * 3048 * One second timer, used to tick the MII. 3049 */ 3050 void 3051 tlp_mii_tick(arg) 3052 void *arg; 3053 { 3054 struct tulip_softc *sc = arg; 3055 int s; 3056 3057 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3058 return; 3059 3060 s = splnet(); 3061 mii_tick(&sc->sc_mii); 3062 splx(s); 3063 3064 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3065 } 3066 3067 /* 3068 * tlp_mii_statchg: [mii interface function] 3069 * 3070 * Callback from PHY when media changes. 3071 */ 3072 void 3073 tlp_mii_statchg(self) 3074 struct device *self; 3075 { 3076 struct tulip_softc *sc = (struct tulip_softc *)self; 3077 3078 /* Idle the transmit and receive processes. */ 3079 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3080 3081 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3082 3083 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3084 sc->sc_opmode |= OPMODE_TTM; 3085 else 3086 sc->sc_opmode |= OPMODE_HBD; 3087 3088 if (sc->sc_mii.mii_media_active & IFM_FDX) 3089 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3090 3091 /* 3092 * Write new OPMODE bits. This also restarts the transmit 3093 * and receive processes. 3094 */ 3095 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3096 } 3097 3098 /* 3099 * tlp_winb_mii_statchg: [mii interface function] 3100 * 3101 * Callback from PHY when media changes. This version is 3102 * for the Winbond 89C840F, which has different OPMODE bits. 3103 */ 3104 void 3105 tlp_winb_mii_statchg(self) 3106 struct device *self; 3107 { 3108 struct tulip_softc *sc = (struct tulip_softc *)self; 3109 3110 /* Idle the transmit and receive processes. */ 3111 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3112 3113 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3114 3115 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3116 sc->sc_opmode |= OPMODE_WINB_FES; 3117 3118 if (sc->sc_mii.mii_media_active & IFM_FDX) 3119 sc->sc_opmode |= OPMODE_FD; 3120 3121 /* 3122 * Write new OPMODE bits. This also restarts the transmit 3123 * and receive processes. 3124 */ 3125 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3126 } 3127 3128 /* 3129 * tlp_dm9102_mii_statchg: [mii interface function] 3130 * 3131 * Callback from PHY when media changes. This version is 3132 * for the DM9102. 3133 */ 3134 void 3135 tlp_dm9102_mii_statchg(self) 3136 struct device *self; 3137 { 3138 struct tulip_softc *sc = (struct tulip_softc *)self; 3139 3140 /* 3141 * Don't idle the transmit and receive processes, here. It 3142 * seems to fail, and just causes excess noise. 3143 */ 3144 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3145 3146 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3147 sc->sc_opmode |= OPMODE_TTM; 3148 3149 if (sc->sc_mii.mii_media_active & IFM_FDX) 3150 sc->sc_opmode |= OPMODE_FD; 3151 3152 /* 3153 * Write new OPMODE bits. 3154 */ 3155 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3156 } 3157 3158 /* 3159 * tlp_mii_getmedia: 3160 * 3161 * Callback from ifmedia to request current media status. 3162 */ 3163 void 3164 tlp_mii_getmedia(sc, ifmr) 3165 struct tulip_softc *sc; 3166 struct ifmediareq *ifmr; 3167 { 3168 3169 mii_pollstat(&sc->sc_mii); 3170 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3171 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3172 } 3173 3174 /* 3175 * tlp_mii_setmedia: 3176 * 3177 * Callback from ifmedia to request new media setting. 3178 */ 3179 int 3180 tlp_mii_setmedia(sc) 3181 struct tulip_softc *sc; 3182 { 3183 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3184 3185 if (ifp->if_flags & IFF_UP) { 3186 switch (sc->sc_chip) { 3187 case TULIP_CHIP_21142: 3188 case TULIP_CHIP_21143: 3189 /* Disable the internal Nway engine. */ 3190 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3191 break; 3192 3193 default: 3194 /* Nothing. */ 3195 } 3196 mii_mediachg(&sc->sc_mii); 3197 } 3198 return (0); 3199 } 3200 3201 /* 3202 * tlp_bitbang_mii_readreg: 3203 * 3204 * Read a PHY register via bit-bang'ing the MII. 3205 */ 3206 int 3207 tlp_bitbang_mii_readreg(self, phy, reg) 3208 struct device *self; 3209 int phy, reg; 3210 { 3211 struct tulip_softc *sc = (void *) self; 3212 3213 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3214 } 3215 3216 /* 3217 * tlp_bitbang_mii_writereg: 3218 * 3219 * Write a PHY register via bit-bang'ing the MII. 3220 */ 3221 void 3222 tlp_bitbang_mii_writereg(self, phy, reg, val) 3223 struct device *self; 3224 int phy, reg, val; 3225 { 3226 struct tulip_softc *sc = (void *) self; 3227 3228 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3229 } 3230 3231 /* 3232 * tlp_sio_mii_bitbang_read: 3233 * 3234 * Read the MII serial port for the MII bit-bang module. 3235 */ 3236 u_int32_t 3237 tlp_sio_mii_bitbang_read(self) 3238 struct device *self; 3239 { 3240 struct tulip_softc *sc = (void *) self; 3241 3242 return (TULIP_READ(sc, CSR_MIIROM)); 3243 } 3244 3245 /* 3246 * tlp_sio_mii_bitbang_write: 3247 * 3248 * Write the MII serial port for the MII bit-bang module. 3249 */ 3250 void 3251 tlp_sio_mii_bitbang_write(self, val) 3252 struct device *self; 3253 u_int32_t val; 3254 { 3255 struct tulip_softc *sc = (void *) self; 3256 3257 TULIP_WRITE(sc, CSR_MIIROM, val); 3258 } 3259 3260 /* 3261 * tlp_pnic_mii_readreg: 3262 * 3263 * Read a PHY register on the Lite-On PNIC. 3264 */ 3265 int 3266 tlp_pnic_mii_readreg(self, phy, reg) 3267 struct device *self; 3268 int phy, reg; 3269 { 3270 struct tulip_softc *sc = (void *) self; 3271 u_int32_t val; 3272 int i; 3273 3274 TULIP_WRITE(sc, CSR_PNIC_MII, 3275 PNIC_MII_MBO | PNIC_MII_RESERVED | 3276 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3277 (reg << PNIC_MII_REGSHIFT)); 3278 3279 for (i = 0; i < 1000; i++) { 3280 delay(10); 3281 val = TULIP_READ(sc, CSR_PNIC_MII); 3282 if ((val & PNIC_MII_BUSY) == 0) { 3283 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3284 return (0); 3285 else 3286 return (val & PNIC_MII_DATA); 3287 } 3288 } 3289 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3290 return (0); 3291 } 3292 3293 /* 3294 * tlp_pnic_mii_writereg: 3295 * 3296 * Write a PHY register on the Lite-On PNIC. 3297 */ 3298 void 3299 tlp_pnic_mii_writereg(self, phy, reg, val) 3300 struct device *self; 3301 int phy, reg, val; 3302 { 3303 struct tulip_softc *sc = (void *) self; 3304 int i; 3305 3306 TULIP_WRITE(sc, CSR_PNIC_MII, 3307 PNIC_MII_MBO | PNIC_MII_RESERVED | 3308 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3309 (reg << PNIC_MII_REGSHIFT) | val); 3310 3311 for (i = 0; i < 1000; i++) { 3312 delay(10); 3313 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3314 return; 3315 } 3316 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3317 } 3318 3319 const bus_addr_t tlp_al981_phy_regmap[] = { 3320 CSR_ADM_BMCR, 3321 CSR_ADM_BMSR, 3322 CSR_ADM_PHYIDR1, 3323 CSR_ADM_PHYIDR2, 3324 CSR_ADM_ANAR, 3325 CSR_ADM_ANLPAR, 3326 CSR_ADM_ANER, 3327 3328 CSR_ADM_XMC, 3329 CSR_ADM_XCIIS, 3330 CSR_ADM_XIE, 3331 CSR_ADM_100CTR, 3332 }; 3333 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3334 sizeof(tlp_al981_phy_regmap[0]); 3335 3336 /* 3337 * tlp_al981_mii_readreg: 3338 * 3339 * Read a PHY register on the ADMtek AL981. 3340 */ 3341 int 3342 tlp_al981_mii_readreg(self, phy, reg) 3343 struct device *self; 3344 int phy, reg; 3345 { 3346 struct tulip_softc *sc = (struct tulip_softc *)self; 3347 3348 /* AL981 only has an internal PHY. */ 3349 if (phy != 0) 3350 return (0); 3351 3352 if (reg >= tlp_al981_phy_regmap_size) 3353 return (0); 3354 3355 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3356 tlp_al981_phy_regmap[reg]) & 0xffff); 3357 } 3358 3359 /* 3360 * tlp_al981_mii_writereg: 3361 * 3362 * Write a PHY register on the ADMtek AL981. 3363 */ 3364 void 3365 tlp_al981_mii_writereg(self, phy, reg, val) 3366 struct device *self; 3367 int phy, reg, val; 3368 { 3369 struct tulip_softc *sc = (struct tulip_softc *)self; 3370 3371 /* AL981 only has an internal PHY. */ 3372 if (phy != 0) 3373 return; 3374 3375 if (reg >= tlp_al981_phy_regmap_size) 3376 return; 3377 3378 bus_space_write_4(sc->sc_st, sc->sc_sh, 3379 tlp_al981_phy_regmap[reg], val); 3380 } 3381 3382 /***************************************************************************** 3383 * Chip-specific pre-init and reset functions. 3384 *****************************************************************************/ 3385 3386 /* 3387 * tlp_2114x_preinit: 3388 * 3389 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3390 */ 3391 void 3392 tlp_2114x_preinit(sc) 3393 struct tulip_softc *sc; 3394 { 3395 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3396 struct tulip_21x4x_media *tm = ife->ifm_aux; 3397 3398 /* 3399 * Whether or not we're in MII or SIA/SYM mode, the media info 3400 * contains the appropriate OPMODE bits. 3401 * 3402 * Note that if we have no media info, we are are doing 3403 * non-MII `auto'. 3404 * 3405 * Also, we always set the Must-Be-One bit. 3406 */ 3407 if (tm == NULL) { 3408 #ifdef DIAGNOSTIC 3409 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3410 panic("tlp_2114x_preinit: not IFM_AUTO"); 3411 if (sc->sc_nway_active == NULL) 3412 panic("tlp_2114x_preinit: nway_active NULL"); 3413 #endif 3414 tm = sc->sc_nway_active->ifm_aux; 3415 } 3416 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3417 3418 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3419 } 3420 3421 /* 3422 * tlp_2114x_mii_preinit: 3423 * 3424 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3425 * This version is used by boards which only have MII and don't have 3426 * an ISV SROM. 3427 */ 3428 void 3429 tlp_2114x_mii_preinit(sc) 3430 struct tulip_softc *sc; 3431 { 3432 3433 /* 3434 * Always set the Must-Be-One bit, and Port Select (to select MII). 3435 * We'll never be called during a media change. 3436 */ 3437 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3438 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3439 } 3440 3441 /* 3442 * tlp_pnic_preinit: 3443 * 3444 * Pre-init function for the Lite-On 82c168 and 82c169. 3445 */ 3446 void 3447 tlp_pnic_preinit(sc) 3448 struct tulip_softc *sc; 3449 { 3450 3451 if (sc->sc_flags & TULIPF_HAS_MII) { 3452 /* 3453 * MII case: just set the port-select bit; we will never 3454 * be called during a media change. 3455 */ 3456 sc->sc_opmode |= OPMODE_PS; 3457 } else { 3458 /* 3459 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3460 */ 3461 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3462 } 3463 } 3464 3465 /* 3466 * tlp_dm9102_preinit: 3467 * 3468 * Pre-init function for the Davicom DM9102. 3469 */ 3470 void 3471 tlp_dm9102_preinit(sc) 3472 struct tulip_softc *sc; 3473 { 3474 3475 switch (sc->sc_chip) { 3476 case TULIP_CHIP_DM9102: 3477 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3478 break; 3479 3480 case TULIP_CHIP_DM9102A: 3481 /* 3482 * XXX Figure out how to actually deal with the HomePNA 3483 * XXX portion of the DM9102A. 3484 */ 3485 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3486 break; 3487 3488 default: 3489 /* Nothing. */ 3490 } 3491 3492 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3493 } 3494 3495 /* 3496 * tlp_21140_reset: 3497 * 3498 * Issue a reset sequence on the 21140 via the GPIO facility. 3499 */ 3500 void 3501 tlp_21140_reset(sc) 3502 struct tulip_softc *sc; 3503 { 3504 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3505 struct tulip_21x4x_media *tm = ife->ifm_aux; 3506 int i; 3507 3508 /* First, set the direction on the GPIO pins. */ 3509 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3510 3511 /* Now, issue the reset sequence. */ 3512 for (i = 0; i < tm->tm_reset_length; i++) { 3513 delay(10); 3514 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3515 } 3516 3517 /* Now, issue the selection sequence. */ 3518 for (i = 0; i < tm->tm_gp_length; i++) { 3519 delay(10); 3520 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3521 } 3522 3523 /* If there were no sequences, just lower the pins. */ 3524 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3525 TULIP_WRITE(sc, CSR_GPP, 0); 3526 } 3527 3528 /* 3529 * tlp_21142_reset: 3530 * 3531 * Issue a reset sequence on the 21142 via the GPIO facility. 3532 */ 3533 void 3534 tlp_21142_reset(sc) 3535 struct tulip_softc *sc; 3536 { 3537 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3538 struct tulip_21x4x_media *tm = ife->ifm_aux; 3539 const u_int8_t *ncp; 3540 int i; 3541 3542 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3543 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3544 delay(10); 3545 TULIP_WRITE(sc, CSR_SIAGEN, 3546 TULIP_ROM_GETW(ncp, 0) << 16); 3547 } 3548 3549 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3550 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3551 delay(10); 3552 TULIP_WRITE(sc, CSR_SIAGEN, 3553 TULIP_ROM_GETW(ncp, 0) << 16); 3554 } 3555 3556 /* If there were no sequences, just lower the pins. */ 3557 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3558 delay(10); 3559 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3560 } 3561 } 3562 3563 /* 3564 * tlp_pmac_reset: 3565 * 3566 * Reset routine for Macronix chips. 3567 */ 3568 void 3569 tlp_pmac_reset(sc) 3570 struct tulip_softc *sc; 3571 { 3572 3573 switch (sc->sc_chip) { 3574 case TULIP_CHIP_82C115: 3575 case TULIP_CHIP_MX98715: 3576 case TULIP_CHIP_MX98715A: 3577 case TULIP_CHIP_MX98725: 3578 /* 3579 * Set the LED operating mode. This information is located 3580 * in the EEPROM at byte offset 0x77, per the MX98715A and 3581 * MX98725 application notes. 3582 */ 3583 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3584 break; 3585 case TULIP_CHIP_MX98715AEC_X: 3586 /* 3587 * Set the LED operating mode. This information is located 3588 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3589 * application note. 3590 */ 3591 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3592 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3593 break; 3594 3595 default: 3596 /* Nothing. */ 3597 } 3598 } 3599 3600 /* 3601 * tlp_dm9102_reset: 3602 * 3603 * Reset routine for the Davicom DM9102. 3604 */ 3605 void 3606 tlp_dm9102_reset(sc) 3607 struct tulip_softc *sc; 3608 { 3609 3610 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3611 delay(100); 3612 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3613 } 3614 3615 /***************************************************************************** 3616 * Chip/board-specific media switches. The ones here are ones that 3617 * are potentially common to multiple front-ends. 3618 *****************************************************************************/ 3619 3620 /* 3621 * This table is a common place for all sorts of media information, 3622 * keyed off of the SROM media code for that media. 3623 * 3624 * Note that we explicitly configure the 21142/21143 to always advertise 3625 * NWay capabilities when using the UTP port. 3626 * XXX Actually, we don't yet. 3627 */ 3628 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3629 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3630 "10baseT", 3631 0, 3632 { SIACONN_21040_10BASET, 3633 SIATXRX_21040_10BASET, 3634 SIAGEN_21040_10BASET }, 3635 3636 { SIACONN_21041_10BASET, 3637 SIATXRX_21041_10BASET, 3638 SIAGEN_21041_10BASET }, 3639 3640 { SIACONN_21142_10BASET, 3641 SIATXRX_21142_10BASET, 3642 SIAGEN_21142_10BASET } }, 3643 3644 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3645 "10base2", 3646 0, 3647 { 0, 3648 0, 3649 0 }, 3650 3651 { SIACONN_21041_BNC, 3652 SIATXRX_21041_BNC, 3653 SIAGEN_21041_BNC }, 3654 3655 { SIACONN_21142_BNC, 3656 SIATXRX_21142_BNC, 3657 SIAGEN_21142_BNC } }, 3658 3659 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3660 "10base5", 3661 0, 3662 { SIACONN_21040_AUI, 3663 SIATXRX_21040_AUI, 3664 SIAGEN_21040_AUI }, 3665 3666 { SIACONN_21041_AUI, 3667 SIATXRX_21041_AUI, 3668 SIAGEN_21041_AUI }, 3669 3670 { SIACONN_21142_AUI, 3671 SIATXRX_21142_AUI, 3672 SIAGEN_21142_AUI } }, 3673 3674 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3675 "100baseTX", 3676 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3677 { 0, 3678 0, 3679 0 }, 3680 3681 { 0, 3682 0, 3683 0 }, 3684 3685 { 0, 3686 0, 3687 SIAGEN_ABM } }, 3688 3689 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3690 "10baseT-FDX", 3691 OPMODE_FD|OPMODE_HBD, 3692 { SIACONN_21040_10BASET_FDX, 3693 SIATXRX_21040_10BASET_FDX, 3694 SIAGEN_21040_10BASET_FDX }, 3695 3696 { SIACONN_21041_10BASET_FDX, 3697 SIATXRX_21041_10BASET_FDX, 3698 SIAGEN_21041_10BASET_FDX }, 3699 3700 { SIACONN_21142_10BASET_FDX, 3701 SIATXRX_21142_10BASET_FDX, 3702 SIAGEN_21142_10BASET_FDX } }, 3703 3704 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3705 "100baseTX-FDX", 3706 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3707 { 0, 3708 0, 3709 0 }, 3710 3711 { 0, 3712 0, 3713 0 }, 3714 3715 { 0, 3716 0, 3717 SIAGEN_ABM } }, 3718 3719 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3720 "100baseT4", 3721 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3722 { 0, 3723 0, 3724 0 }, 3725 3726 { 0, 3727 0, 3728 0 }, 3729 3730 { 0, 3731 0, 3732 SIAGEN_ABM } }, 3733 3734 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3735 "100baseFX", 3736 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3737 { 0, 3738 0, 3739 0 }, 3740 3741 { 0, 3742 0, 3743 0 }, 3744 3745 { 0, 3746 0, 3747 SIAGEN_ABM } }, 3748 3749 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3750 "100baseFX-FDX", 3751 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3752 { 0, 3753 0, 3754 0 }, 3755 3756 { 0, 3757 0, 3758 0 }, 3759 3760 { 0, 3761 0, 3762 SIAGEN_ABM } }, 3763 3764 { 0, 0, 0, 3765 NULL, 3766 0, 3767 { 0, 3768 0, 3769 0 }, 3770 3771 { 0, 3772 0, 3773 0 }, 3774 3775 { 0, 3776 0, 3777 0 } }, 3778 }; 3779 3780 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3781 void tlp_srom_media_info __P((struct tulip_softc *, 3782 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3783 void tlp_add_srom_media __P((struct tulip_softc *, int, 3784 void (*)(struct tulip_softc *, struct ifmediareq *), 3785 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3786 void tlp_print_media __P((struct tulip_softc *)); 3787 void tlp_nway_activate __P((struct tulip_softc *, int)); 3788 void tlp_get_minst __P((struct tulip_softc *)); 3789 3790 const struct tulip_srom_to_ifmedia * 3791 tlp_srom_to_ifmedia(sm) 3792 u_int8_t sm; 3793 { 3794 const struct tulip_srom_to_ifmedia *tsti; 3795 3796 for (tsti = tulip_srom_to_ifmedia_table; 3797 tsti->tsti_name != NULL; tsti++) { 3798 if (tsti->tsti_srom == sm) 3799 return (tsti); 3800 } 3801 3802 return (NULL); 3803 } 3804 3805 void 3806 tlp_srom_media_info(sc, tsti, tm) 3807 struct tulip_softc *sc; 3808 const struct tulip_srom_to_ifmedia *tsti; 3809 struct tulip_21x4x_media *tm; 3810 { 3811 3812 tm->tm_name = tsti->tsti_name; 3813 tm->tm_opmode = tsti->tsti_opmode; 3814 3815 switch (sc->sc_chip) { 3816 case TULIP_CHIP_DE425: 3817 case TULIP_CHIP_21040: 3818 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3819 break; 3820 3821 case TULIP_CHIP_21041: 3822 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3823 break; 3824 3825 case TULIP_CHIP_21142: 3826 case TULIP_CHIP_21143: 3827 case TULIP_CHIP_82C115: 3828 case TULIP_CHIP_MX98715: 3829 case TULIP_CHIP_MX98715A: 3830 case TULIP_CHIP_MX98715AEC_X: 3831 case TULIP_CHIP_MX98725: 3832 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3833 break; 3834 3835 default: 3836 /* Nothing. */ 3837 } 3838 } 3839 3840 void 3841 tlp_add_srom_media(sc, type, get, set, list, cnt) 3842 struct tulip_softc *sc; 3843 int type; 3844 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3845 int (*set) __P((struct tulip_softc *)); 3846 const u_int8_t *list; 3847 int cnt; 3848 { 3849 struct tulip_21x4x_media *tm; 3850 const struct tulip_srom_to_ifmedia *tsti; 3851 int i; 3852 3853 for (i = 0; i < cnt; i++) { 3854 tsti = tlp_srom_to_ifmedia(list[i]); 3855 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3856 memset(tm, 0, sizeof(*tm)); 3857 tlp_srom_media_info(sc, tsti, tm); 3858 tm->tm_type = type; 3859 tm->tm_get = get; 3860 tm->tm_set = set; 3861 3862 ifmedia_add(&sc->sc_mii.mii_media, 3863 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3864 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3865 } 3866 } 3867 3868 void 3869 tlp_print_media(sc) 3870 struct tulip_softc *sc; 3871 { 3872 struct ifmedia_entry *ife; 3873 struct tulip_21x4x_media *tm; 3874 const char *sep = ""; 3875 3876 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3877 3878 printf("%s: ", sc->sc_dev.dv_xname); 3879 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3880 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3881 tm = ife->ifm_aux; 3882 if (tm == NULL) { 3883 #ifdef DIAGNOSTIC 3884 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3885 panic("tlp_print_media"); 3886 #endif 3887 PRINT("auto"); 3888 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3889 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3890 PRINT(tm->tm_name); 3891 } 3892 } 3893 printf("\n"); 3894 3895 #undef PRINT 3896 } 3897 3898 void 3899 tlp_nway_activate(sc, media) 3900 struct tulip_softc *sc; 3901 int media; 3902 { 3903 struct ifmedia_entry *ife; 3904 3905 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3906 #ifdef DIAGNOSTIC 3907 if (ife == NULL) 3908 panic("tlp_nway_activate"); 3909 #endif 3910 sc->sc_nway_active = ife; 3911 } 3912 3913 void 3914 tlp_get_minst(sc) 3915 struct tulip_softc *sc; 3916 { 3917 3918 if ((sc->sc_media_seen & 3919 ~((1 << TULIP_ROM_MB_21140_MII) | 3920 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3921 /* 3922 * We have not yet seen any SIA/SYM media (but are 3923 * about to; that's why we're called!), so assign 3924 * the current media instance to be the `internal media' 3925 * instance, and advance it so any MII media gets a 3926 * fresh one (used to selecting/isolating a PHY). 3927 */ 3928 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3929 } 3930 } 3931 3932 /* 3933 * SIA Utility functions. 3934 */ 3935 void tlp_sia_update_link __P((struct tulip_softc *)); 3936 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3937 int tlp_sia_set __P((struct tulip_softc *)); 3938 void tlp_sia_fixup __P((struct tulip_softc *)); 3939 3940 void 3941 tlp_sia_update_link(sc) 3942 struct tulip_softc *sc; 3943 { 3944 struct ifmedia_entry *ife; 3945 struct tulip_21x4x_media *tm; 3946 u_int32_t siastat; 3947 3948 ife = TULIP_CURRENT_MEDIA(sc); 3949 tm = ife->ifm_aux; 3950 3951 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3952 3953 siastat = TULIP_READ(sc, CSR_SIASTAT); 3954 3955 /* 3956 * Note that when we do SIA link tests, we are assuming that 3957 * the chip is really in the mode that the current media setting 3958 * reflects. If we're not, then the link tests will not be 3959 * accurate! 3960 */ 3961 switch (IFM_SUBTYPE(ife->ifm_media)) { 3962 case IFM_10_T: 3963 sc->sc_flags |= TULIPF_LINK_VALID; 3964 if ((siastat & SIASTAT_LS10) == 0) 3965 sc->sc_flags |= TULIPF_LINK_UP; 3966 break; 3967 3968 case IFM_100_TX: 3969 case IFM_100_T4: 3970 sc->sc_flags |= TULIPF_LINK_VALID; 3971 if ((siastat & SIASTAT_LS100) == 0) 3972 sc->sc_flags |= TULIPF_LINK_UP; 3973 break; 3974 } 3975 3976 switch (sc->sc_chip) { 3977 case TULIP_CHIP_21142: 3978 case TULIP_CHIP_21143: 3979 /* 3980 * On these chips, we can tell more information about 3981 * AUI/BNC. Note that the AUI/BNC selection is made 3982 * in a different register; for our purpose, it's all 3983 * AUI. 3984 */ 3985 switch (IFM_SUBTYPE(ife->ifm_media)) { 3986 case IFM_10_2: 3987 case IFM_10_5: 3988 sc->sc_flags |= TULIPF_LINK_VALID; 3989 if (siastat & SIASTAT_ARA) { 3990 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3991 sc->sc_flags |= TULIPF_LINK_UP; 3992 } 3993 break; 3994 3995 default: 3996 /* 3997 * If we're SYM media and can detect the link 3998 * via the GPIO facility, prefer that status 3999 * over LS100. 4000 */ 4001 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4002 tm->tm_actmask != 0) { 4003 sc->sc_flags = (sc->sc_flags & 4004 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4005 if (TULIP_ISSET(sc, CSR_SIAGEN, 4006 tm->tm_actmask) == tm->tm_actdata) 4007 sc->sc_flags |= TULIPF_LINK_UP; 4008 } 4009 } 4010 break; 4011 4012 default: 4013 /* Nothing. */ 4014 } 4015 } 4016 4017 void 4018 tlp_sia_get(sc, ifmr) 4019 struct tulip_softc *sc; 4020 struct ifmediareq *ifmr; 4021 { 4022 struct ifmedia_entry *ife; 4023 4024 ifmr->ifm_status = 0; 4025 4026 tlp_sia_update_link(sc); 4027 4028 ife = TULIP_CURRENT_MEDIA(sc); 4029 4030 if (sc->sc_flags & TULIPF_LINK_VALID) 4031 ifmr->ifm_status |= IFM_AVALID; 4032 if (sc->sc_flags & TULIPF_LINK_UP) 4033 ifmr->ifm_status |= IFM_ACTIVE; 4034 ifmr->ifm_active = ife->ifm_media; 4035 } 4036 4037 void 4038 tlp_sia_fixup(sc) 4039 struct tulip_softc *sc; 4040 { 4041 struct ifmedia_entry *ife; 4042 struct tulip_21x4x_media *tm; 4043 u_int32_t siaconn, siatxrx, siagen; 4044 4045 switch (sc->sc_chip) { 4046 case TULIP_CHIP_82C115: 4047 case TULIP_CHIP_MX98713A: 4048 case TULIP_CHIP_MX98715: 4049 case TULIP_CHIP_MX98715A: 4050 case TULIP_CHIP_MX98715AEC_X: 4051 case TULIP_CHIP_MX98725: 4052 siaconn = PMAC_SIACONN_MASK; 4053 siatxrx = PMAC_SIATXRX_MASK; 4054 siagen = PMAC_SIAGEN_MASK; 4055 break; 4056 4057 default: 4058 /* No fixups required on any other chips. */ 4059 return; 4060 } 4061 4062 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4063 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4064 tm = ife->ifm_aux; 4065 if (tm == NULL) 4066 continue; 4067 4068 tm->tm_siaconn &= siaconn; 4069 tm->tm_siatxrx &= siatxrx; 4070 tm->tm_siagen &= siagen; 4071 } 4072 } 4073 4074 int 4075 tlp_sia_set(sc) 4076 struct tulip_softc *sc; 4077 { 4078 struct ifmedia_entry *ife; 4079 struct tulip_21x4x_media *tm; 4080 4081 ife = TULIP_CURRENT_MEDIA(sc); 4082 tm = ife->ifm_aux; 4083 4084 /* 4085 * XXX This appears to be necessary on a bunch of the clone chips. 4086 */ 4087 delay(20000); 4088 4089 /* 4090 * Idle the chip. 4091 */ 4092 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4093 4094 /* 4095 * Program the SIA. It's important to write in this order, 4096 * resetting the SIA first. 4097 */ 4098 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4099 delay(1000); 4100 4101 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4102 4103 switch (sc->sc_chip) { 4104 case TULIP_CHIP_21142: 4105 case TULIP_CHIP_21143: 4106 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4107 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4108 break; 4109 default: 4110 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4111 } 4112 4113 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4114 4115 /* 4116 * Set the OPMODE bits for this media and write OPMODE. 4117 * This will resume the transmit and receive processes. 4118 */ 4119 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4120 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4121 4122 return (0); 4123 } 4124 4125 /* 4126 * 21140 GPIO utility functions. 4127 */ 4128 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4129 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4130 struct ifmediareq *ifmr)); 4131 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4132 4133 void 4134 tlp_21140_gpio_update_link(sc) 4135 struct tulip_softc *sc; 4136 { 4137 struct ifmedia_entry *ife; 4138 struct tulip_21x4x_media *tm; 4139 4140 ife = TULIP_CURRENT_MEDIA(sc); 4141 tm = ife->ifm_aux; 4142 4143 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4144 4145 if (tm->tm_actmask != 0) { 4146 sc->sc_flags |= TULIPF_LINK_VALID; 4147 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4148 tm->tm_actdata) 4149 sc->sc_flags |= TULIPF_LINK_UP; 4150 } 4151 } 4152 4153 void 4154 tlp_21140_gpio_get(sc, ifmr) 4155 struct tulip_softc *sc; 4156 struct ifmediareq *ifmr; 4157 { 4158 struct ifmedia_entry *ife; 4159 4160 ifmr->ifm_status = 0; 4161 4162 tlp_21140_gpio_update_link(sc); 4163 4164 ife = TULIP_CURRENT_MEDIA(sc); 4165 4166 if (sc->sc_flags & TULIPF_LINK_VALID) 4167 ifmr->ifm_status |= IFM_AVALID; 4168 if (sc->sc_flags & TULIPF_LINK_UP) 4169 ifmr->ifm_status |= IFM_ACTIVE; 4170 ifmr->ifm_active = ife->ifm_media; 4171 } 4172 4173 int 4174 tlp_21140_gpio_set(sc) 4175 struct tulip_softc *sc; 4176 { 4177 struct ifmedia_entry *ife; 4178 struct tulip_21x4x_media *tm; 4179 4180 ife = TULIP_CURRENT_MEDIA(sc); 4181 tm = ife->ifm_aux; 4182 4183 /* 4184 * Idle the chip. 4185 */ 4186 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4187 4188 /* 4189 * Set the GPIO pins for this media, to flip any 4190 * relays, etc. 4191 */ 4192 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4193 delay(10); 4194 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4195 4196 /* 4197 * Set the OPMODE bits for this media and write OPMODE. 4198 * This will resume the transmit and receive processes. 4199 */ 4200 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4201 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4202 4203 return (0); 4204 } 4205 4206 /* 4207 * 21040 and 21041 media switches. 4208 */ 4209 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4210 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4211 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4212 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4213 4214 const struct tulip_mediasw tlp_21040_mediasw = { 4215 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4216 }; 4217 4218 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4219 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4220 }; 4221 4222 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4223 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4224 }; 4225 4226 const struct tulip_mediasw tlp_21041_mediasw = { 4227 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4228 }; 4229 4230 4231 void 4232 tlp_21040_tmsw_init(sc) 4233 struct tulip_softc *sc; 4234 { 4235 static const u_int8_t media[] = { 4236 TULIP_ROM_MB_MEDIA_TP, 4237 TULIP_ROM_MB_MEDIA_TP_FDX, 4238 TULIP_ROM_MB_MEDIA_AUI, 4239 }; 4240 struct tulip_21x4x_media *tm; 4241 4242 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4243 tlp_mediastatus); 4244 4245 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4246 4247 /* 4248 * No SROM type for External SIA. 4249 */ 4250 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4251 memset(tm, 0, sizeof(*tm)); 4252 tm->tm_name = "manual"; 4253 tm->tm_opmode = 0; 4254 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4255 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4256 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4257 ifmedia_add(&sc->sc_mii.mii_media, 4258 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4259 4260 /* 4261 * XXX Autosense not yet supported. 4262 */ 4263 4264 /* XXX This should be auto-sense. */ 4265 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4266 4267 tlp_print_media(sc); 4268 } 4269 4270 void 4271 tlp_21040_tp_tmsw_init(sc) 4272 struct tulip_softc *sc; 4273 { 4274 static const u_int8_t media[] = { 4275 TULIP_ROM_MB_MEDIA_TP, 4276 TULIP_ROM_MB_MEDIA_TP_FDX, 4277 }; 4278 4279 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4280 tlp_mediastatus); 4281 4282 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4283 4284 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4285 4286 tlp_print_media(sc); 4287 } 4288 4289 void 4290 tlp_21040_auibnc_tmsw_init(sc) 4291 struct tulip_softc *sc; 4292 { 4293 static const u_int8_t media[] = { 4294 TULIP_ROM_MB_MEDIA_AUI, 4295 }; 4296 4297 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4298 tlp_mediastatus); 4299 4300 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4301 4302 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4303 4304 tlp_print_media(sc); 4305 } 4306 4307 void 4308 tlp_21041_tmsw_init(sc) 4309 struct tulip_softc *sc; 4310 { 4311 static const u_int8_t media[] = { 4312 TULIP_ROM_MB_MEDIA_TP, 4313 TULIP_ROM_MB_MEDIA_TP_FDX, 4314 TULIP_ROM_MB_MEDIA_BNC, 4315 TULIP_ROM_MB_MEDIA_AUI, 4316 }; 4317 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4318 const struct tulip_srom_to_ifmedia *tsti; 4319 struct tulip_21x4x_media *tm; 4320 u_int16_t romdef; 4321 u_int8_t mb; 4322 4323 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4324 tlp_mediastatus); 4325 4326 if (tlp_isv_srom(sc->sc_srom) == 0) { 4327 not_isv_srom: 4328 /* 4329 * If we have a board without the standard 21041 SROM format, 4330 * we just assume all media are present and try and pick a 4331 * reasonable default. 4332 */ 4333 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4334 4335 /* 4336 * XXX Autosense not yet supported. 4337 */ 4338 4339 /* XXX This should be auto-sense. */ 4340 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4341 4342 tlp_print_media(sc); 4343 return; 4344 } 4345 4346 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4347 for (i = 0; i < devcnt; i++) { 4348 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4349 break; 4350 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4351 sc->sc_devno) 4352 break; 4353 } 4354 4355 if (i == devcnt) 4356 goto not_isv_srom; 4357 4358 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4359 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4360 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4361 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4362 4363 for (; m_cnt != 0; 4364 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4365 mb = sc->sc_srom[mb_offset]; 4366 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4367 memset(tm, 0, sizeof(*tm)); 4368 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4369 case TULIP_ROM_MB_MEDIA_TP_FDX: 4370 case TULIP_ROM_MB_MEDIA_TP: 4371 case TULIP_ROM_MB_MEDIA_BNC: 4372 case TULIP_ROM_MB_MEDIA_AUI: 4373 tsti = tlp_srom_to_ifmedia(mb & 4374 TULIP_ROM_MB_MEDIA_CODE); 4375 4376 tlp_srom_media_info(sc, tsti, tm); 4377 4378 /* 4379 * Override our default SIA settings if the 4380 * SROM contains its own. 4381 */ 4382 if (mb & TULIP_ROM_MB_EXT) { 4383 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4384 mb_offset + TULIP_ROM_MB_CSR13); 4385 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4386 mb_offset + TULIP_ROM_MB_CSR14); 4387 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4388 mb_offset + TULIP_ROM_MB_CSR15); 4389 } 4390 4391 ifmedia_add(&sc->sc_mii.mii_media, 4392 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4393 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4394 break; 4395 4396 default: 4397 printf("%s: unknown media code 0x%02x\n", 4398 sc->sc_dev.dv_xname, 4399 mb & TULIP_ROM_MB_MEDIA_CODE); 4400 free(tm, M_DEVBUF); 4401 } 4402 } 4403 4404 /* 4405 * XXX Autosense not yet supported. 4406 */ 4407 4408 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4409 TULIP_ROM_IL_SELECT_CONN_TYPE); 4410 switch (romdef) { 4411 case SELECT_CONN_TYPE_TP: 4412 case SELECT_CONN_TYPE_TP_AUTONEG: 4413 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4414 defmedia = IFM_ETHER|IFM_10_T; 4415 break; 4416 4417 case SELECT_CONN_TYPE_TP_FDX: 4418 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4419 break; 4420 4421 case SELECT_CONN_TYPE_BNC: 4422 defmedia = IFM_ETHER|IFM_10_2; 4423 break; 4424 4425 case SELECT_CONN_TYPE_AUI: 4426 defmedia = IFM_ETHER|IFM_10_5; 4427 break; 4428 #if 0 /* XXX */ 4429 case SELECT_CONN_TYPE_ASENSE: 4430 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4431 defmedia = IFM_ETHER|IFM_AUTO; 4432 break; 4433 #endif 4434 default: 4435 defmedia = 0; 4436 } 4437 4438 if (defmedia == 0) { 4439 /* 4440 * XXX We should default to auto-sense. 4441 */ 4442 defmedia = IFM_ETHER|IFM_10_T; 4443 } 4444 4445 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4446 4447 tlp_print_media(sc); 4448 } 4449 4450 /* 4451 * DECchip 2114x ISV media switch. 4452 */ 4453 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4454 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4455 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4456 4457 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4458 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4459 }; 4460 4461 void 4462 tlp_2114x_isv_tmsw_init(sc) 4463 struct tulip_softc *sc; 4464 { 4465 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4466 struct ifmedia_entry *ife; 4467 struct mii_softc *phy; 4468 struct tulip_21x4x_media *tm; 4469 const struct tulip_srom_to_ifmedia *tsti; 4470 int i, devcnt, leaf_offset, m_cnt, type, length; 4471 int defmedia, miidef; 4472 u_int16_t word; 4473 u_int8_t *cp, *ncp; 4474 4475 defmedia = miidef = 0; 4476 4477 sc->sc_mii.mii_ifp = ifp; 4478 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4479 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4480 sc->sc_mii.mii_statchg = sc->sc_statchg; 4481 4482 /* 4483 * Ignore `instance'; we may get a mixture of SIA and MII 4484 * media, and `instance' is used to isolate or select the 4485 * PHY on the MII as appropriate. Note that duplicate media 4486 * are disallowed, so ignoring `instance' is safe. 4487 */ 4488 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4489 tlp_mediastatus); 4490 4491 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4492 for (i = 0; i < devcnt; i++) { 4493 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4494 break; 4495 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4496 sc->sc_devno) 4497 break; 4498 } 4499 4500 if (i == devcnt) { 4501 printf("%s: unable to locate info leaf in SROM\n", 4502 sc->sc_dev.dv_xname); 4503 return; 4504 } 4505 4506 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4507 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4508 4509 /* XXX SELECT CONN TYPE */ 4510 4511 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4512 4513 /* 4514 * On some chips, the first thing in the Info Leaf is the 4515 * GPIO pin direction data. 4516 */ 4517 switch (sc->sc_chip) { 4518 case TULIP_CHIP_21140: 4519 case TULIP_CHIP_21140A: 4520 case TULIP_CHIP_MX98713: 4521 case TULIP_CHIP_AX88140: 4522 case TULIP_CHIP_AX88141: 4523 sc->sc_gp_dir = *cp++; 4524 break; 4525 4526 default: 4527 /* Nothing. */ 4528 } 4529 4530 /* Get the media count. */ 4531 m_cnt = *cp++; 4532 4533 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4534 /* 4535 * Determine the type and length of this media block. 4536 */ 4537 if ((*cp & 0x80) == 0) { 4538 length = 4; 4539 type = TULIP_ROM_MB_21140_GPR; 4540 } else { 4541 length = (*cp++ & 0x7f) - 1; 4542 type = *cp++ & 0x3f; 4543 } 4544 4545 /* Compute the start of the next block. */ 4546 ncp = cp + length; 4547 4548 /* Now, parse the block. */ 4549 switch (type) { 4550 case TULIP_ROM_MB_21140_GPR: 4551 tlp_get_minst(sc); 4552 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4553 4554 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4555 memset(tm, 0, sizeof(*tm)); 4556 4557 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4558 tm->tm_get = tlp_21140_gpio_get; 4559 tm->tm_set = tlp_21140_gpio_set; 4560 4561 /* First is the media type code. */ 4562 tsti = tlp_srom_to_ifmedia(cp[0] & 4563 TULIP_ROM_MB_MEDIA_CODE); 4564 if (tsti == NULL) { 4565 /* Invalid media code. */ 4566 free(tm, M_DEVBUF); 4567 break; 4568 } 4569 4570 /* Get defaults. */ 4571 tlp_srom_media_info(sc, tsti, tm); 4572 4573 /* Next is any GPIO info for this media. */ 4574 tm->tm_gpdata = cp[1]; 4575 4576 /* 4577 * Next is a word containing OPMODE information 4578 * and info on how to detect if this media is 4579 * active. 4580 */ 4581 word = TULIP_ROM_GETW(cp, 2); 4582 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4583 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4584 tm->tm_actmask = 4585 TULIP_ROM_MB_BITPOS(word); 4586 tm->tm_actdata = 4587 (word & TULIP_ROM_MB_POLARITY) ? 4588 0 : tm->tm_actmask; 4589 } 4590 4591 ifmedia_add(&sc->sc_mii.mii_media, 4592 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4593 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4594 break; 4595 4596 case TULIP_ROM_MB_21140_MII: 4597 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4598 4599 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4600 memset(tm, 0, sizeof(*tm)); 4601 4602 tm->tm_type = TULIP_ROM_MB_21140_MII; 4603 tm->tm_get = tlp_mii_getmedia; 4604 tm->tm_set = tlp_mii_setmedia; 4605 tm->tm_opmode = OPMODE_PS; 4606 4607 if (sc->sc_reset == NULL) 4608 sc->sc_reset = tlp_21140_reset; 4609 4610 /* First is the PHY number. */ 4611 tm->tm_phyno = *cp++; 4612 4613 /* Next is the MII select sequence length and offset. */ 4614 tm->tm_gp_length = *cp++; 4615 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4616 cp += tm->tm_gp_length; 4617 4618 /* Next is the MII reset sequence length and offset. */ 4619 tm->tm_reset_length = *cp++; 4620 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4621 cp += tm->tm_reset_length; 4622 4623 /* 4624 * The following items are left in the media block 4625 * that we don't particularly care about: 4626 * 4627 * capabilities W 4628 * advertisement W 4629 * full duplex W 4630 * tx threshold W 4631 * 4632 * These appear to be bits in the PHY registers, 4633 * which our MII code handles on its own. 4634 */ 4635 4636 /* 4637 * Before we probe the MII bus, we need to reset 4638 * it and issue the selection sequence. 4639 */ 4640 4641 /* Set the direction of the pins... */ 4642 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4643 4644 for (i = 0; i < tm->tm_reset_length; i++) { 4645 delay(10); 4646 TULIP_WRITE(sc, CSR_GPP, 4647 sc->sc_srom[tm->tm_reset_offset + i]); 4648 } 4649 4650 for (i = 0; i < tm->tm_gp_length; i++) { 4651 delay(10); 4652 TULIP_WRITE(sc, CSR_GPP, 4653 sc->sc_srom[tm->tm_gp_offset + i]); 4654 } 4655 4656 /* If there were no sequences, just lower the pins. */ 4657 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4658 delay(10); 4659 TULIP_WRITE(sc, CSR_GPP, 0); 4660 } 4661 4662 /* 4663 * Now, probe the MII for the PHY. Note, we know 4664 * the location of the PHY on the bus, but we don't 4665 * particularly care; the MII code just likes to 4666 * search the whole thing anyhow. 4667 */ 4668 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4669 MII_PHY_ANY, tm->tm_phyno, 0); 4670 4671 /* 4672 * Now, search for the PHY we hopefully just 4673 * configured. If it's not configured into the 4674 * kernel, we lose. The PHY's default media always 4675 * takes priority. 4676 */ 4677 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4678 phy != NULL; 4679 phy = LIST_NEXT(phy, mii_list)) 4680 if (phy->mii_offset == tm->tm_phyno) 4681 break; 4682 if (phy == NULL) { 4683 printf("%s: unable to configure MII\n", 4684 sc->sc_dev.dv_xname); 4685 break; 4686 } 4687 4688 sc->sc_flags |= TULIPF_HAS_MII; 4689 sc->sc_tick = tlp_mii_tick; 4690 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4691 phy->mii_inst); 4692 4693 /* 4694 * Okay, now that we've found the PHY and the MII 4695 * layer has added all of the media associated 4696 * with that PHY, we need to traverse the media 4697 * list, and add our `tm' to each entry's `aux' 4698 * pointer. 4699 * 4700 * We do this by looking for media with our 4701 * PHY's `instance'. 4702 */ 4703 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4704 ife != NULL; 4705 ife = TAILQ_NEXT(ife, ifm_list)) { 4706 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4707 continue; 4708 ife->ifm_aux = tm; 4709 } 4710 break; 4711 4712 case TULIP_ROM_MB_21142_SIA: 4713 tlp_get_minst(sc); 4714 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4715 4716 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4717 memset(tm, 0, sizeof(*tm)); 4718 4719 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4720 tm->tm_get = tlp_sia_get; 4721 tm->tm_set = tlp_sia_set; 4722 4723 /* First is the media type code. */ 4724 tsti = tlp_srom_to_ifmedia(cp[0] & 4725 TULIP_ROM_MB_MEDIA_CODE); 4726 if (tsti == NULL) { 4727 /* Invalid media code. */ 4728 free(tm, M_DEVBUF); 4729 break; 4730 } 4731 4732 /* Get defaults. */ 4733 tlp_srom_media_info(sc, tsti, tm); 4734 4735 /* 4736 * Override our default SIA settings if the 4737 * SROM contains its own. 4738 */ 4739 if (cp[0] & 0x40) { 4740 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4741 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4742 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4743 cp += 7; 4744 } else 4745 cp++; 4746 4747 /* Next is GPIO control/data. */ 4748 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4749 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4750 4751 ifmedia_add(&sc->sc_mii.mii_media, 4752 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4753 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4754 break; 4755 4756 case TULIP_ROM_MB_21142_MII: 4757 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4758 4759 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4760 memset(tm, 0, sizeof(*tm)); 4761 4762 tm->tm_type = TULIP_ROM_MB_21142_MII; 4763 tm->tm_get = tlp_mii_getmedia; 4764 tm->tm_set = tlp_mii_setmedia; 4765 tm->tm_opmode = OPMODE_PS; 4766 4767 if (sc->sc_reset == NULL) 4768 sc->sc_reset = tlp_21142_reset; 4769 4770 /* First is the PHY number. */ 4771 tm->tm_phyno = *cp++; 4772 4773 /* Next is the MII select sequence length and offset. */ 4774 tm->tm_gp_length = *cp++; 4775 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4776 cp += tm->tm_gp_length * 2; 4777 4778 /* Next is the MII reset sequence length and offset. */ 4779 tm->tm_reset_length = *cp++; 4780 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4781 cp += tm->tm_reset_length * 2; 4782 4783 /* 4784 * The following items are left in the media block 4785 * that we don't particularly care about: 4786 * 4787 * capabilities W 4788 * advertisement W 4789 * full duplex W 4790 * tx threshold W 4791 * MII interrupt W 4792 * 4793 * These appear to be bits in the PHY registers, 4794 * which our MII code handles on its own. 4795 */ 4796 4797 /* 4798 * Before we probe the MII bus, we need to reset 4799 * it and issue the selection sequence. 4800 */ 4801 4802 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4803 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4804 delay(10); 4805 TULIP_WRITE(sc, CSR_SIAGEN, 4806 TULIP_ROM_GETW(ncp, 0) << 16); 4807 } 4808 4809 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4810 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4811 delay(10); 4812 TULIP_WRITE(sc, CSR_SIAGEN, 4813 TULIP_ROM_GETW(ncp, 0) << 16); 4814 } 4815 4816 /* If there were no sequences, just lower the pins. */ 4817 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4818 delay(10); 4819 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4820 } 4821 4822 /* 4823 * Now, probe the MII for the PHY. Note, we know 4824 * the location of the PHY on the bus, but we don't 4825 * particularly care; the MII code just likes to 4826 * search the whole thing anyhow. 4827 */ 4828 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4829 MII_PHY_ANY, tm->tm_phyno, 0); 4830 4831 /* 4832 * Now, search for the PHY we hopefully just 4833 * configured. If it's not configured into the 4834 * kernel, we lose. The PHY's default media always 4835 * takes priority. 4836 */ 4837 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4838 phy != NULL; 4839 phy = LIST_NEXT(phy, mii_list)) 4840 if (phy->mii_offset == tm->tm_phyno) 4841 break; 4842 if (phy == NULL) { 4843 printf("%s: unable to configure MII\n", 4844 sc->sc_dev.dv_xname); 4845 break; 4846 } 4847 4848 sc->sc_flags |= TULIPF_HAS_MII; 4849 sc->sc_tick = tlp_mii_tick; 4850 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4851 phy->mii_inst); 4852 4853 /* 4854 * Okay, now that we've found the PHY and the MII 4855 * layer has added all of the media associated 4856 * with that PHY, we need to traverse the media 4857 * list, and add our `tm' to each entry's `aux' 4858 * pointer. 4859 * 4860 * We do this by looking for media with our 4861 * PHY's `instance'. 4862 */ 4863 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4864 ife != NULL; 4865 ife = TAILQ_NEXT(ife, ifm_list)) { 4866 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4867 continue; 4868 ife->ifm_aux = tm; 4869 } 4870 break; 4871 4872 case TULIP_ROM_MB_21143_SYM: 4873 tlp_get_minst(sc); 4874 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4875 4876 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4877 memset(tm, 0, sizeof(*tm)); 4878 4879 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4880 tm->tm_get = tlp_sia_get; 4881 tm->tm_set = tlp_sia_set; 4882 4883 /* First is the media type code. */ 4884 tsti = tlp_srom_to_ifmedia(cp[0] & 4885 TULIP_ROM_MB_MEDIA_CODE); 4886 if (tsti == NULL) { 4887 /* Invalid media code. */ 4888 free(tm, M_DEVBUF); 4889 break; 4890 } 4891 4892 /* Get defaults. */ 4893 tlp_srom_media_info(sc, tsti, tm); 4894 4895 /* Next is GPIO control/data. */ 4896 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4897 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4898 4899 /* 4900 * Next is a word containing OPMODE information 4901 * and info on how to detect if this media is 4902 * active. 4903 */ 4904 word = TULIP_ROM_GETW(cp, 5); 4905 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4906 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4907 tm->tm_actmask = 4908 TULIP_ROM_MB_BITPOS(word); 4909 tm->tm_actdata = 4910 (word & TULIP_ROM_MB_POLARITY) ? 4911 0 : tm->tm_actmask; 4912 } 4913 4914 ifmedia_add(&sc->sc_mii.mii_media, 4915 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4916 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4917 break; 4918 4919 case TULIP_ROM_MB_21143_RESET: 4920 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4921 break; 4922 4923 default: 4924 printf("%s: unknown ISV media block type 0x%02x\n", 4925 sc->sc_dev.dv_xname, type); 4926 } 4927 } 4928 4929 /* 4930 * Deal with the case where no media is configured. 4931 */ 4932 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4933 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4934 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4935 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4936 return; 4937 } 4938 4939 /* 4940 * Pick the default media. 4941 */ 4942 if (miidef != 0) 4943 defmedia = miidef; 4944 else { 4945 /* 4946 * XXX Pick a better default. Should come from SROM 4947 * XXX on 21140[A], and should be "auto" on 21142, 4948 * XXX 21143, and Macronix chips. 4949 */ 4950 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4951 } 4952 4953 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4954 4955 /* 4956 * Display any non-MII media we've located. 4957 */ 4958 if (sc->sc_media_seen & 4959 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4960 tlp_print_media(sc); 4961 4962 tlp_sia_fixup(sc); 4963 } 4964 4965 void 4966 tlp_2114x_isv_tmsw_get(sc, ifmr) 4967 struct tulip_softc *sc; 4968 struct ifmediareq *ifmr; 4969 { 4970 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4971 struct tulip_21x4x_media *tm = ife->ifm_aux; 4972 4973 /* 4974 * We might be polling a non-MII autosense; check for that. 4975 */ 4976 if (tm == NULL) { 4977 #ifdef DIAGNOSTIC 4978 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4979 panic("tlp_2114x_isv_tmsw_get"); 4980 #endif 4981 tm = sc->sc_nway_active->ifm_aux; 4982 } 4983 4984 (*tm->tm_get)(sc, ifmr); 4985 } 4986 4987 int 4988 tlp_2114x_isv_tmsw_set(sc) 4989 struct tulip_softc *sc; 4990 { 4991 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4992 struct tulip_21x4x_media *tm = ife->ifm_aux; 4993 4994 /* 4995 * We might be setting a non-MII autosense; check for that. 4996 */ 4997 if (tm == NULL) { 4998 #ifdef DIAGNOSTIC 4999 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5000 panic("tlp_2114x_isv_tmsw_set"); 5001 #endif 5002 /* XXX XXX XXX */ 5003 } 5004 5005 /* 5006 * Check to see if we need to reset the chip, and do it. The 5007 * reset path will get the OPMODE register right the next 5008 * time through. 5009 */ 5010 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5011 return (tlp_init(&sc->sc_ethercom.ec_if)); 5012 5013 return ((*tm->tm_set)(sc)); 5014 } 5015 5016 /* 5017 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5018 */ 5019 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5020 5021 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5022 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5023 }; 5024 5025 void 5026 tlp_sio_mii_tmsw_init(sc) 5027 struct tulip_softc *sc; 5028 { 5029 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5030 5031 /* 5032 * We don't attach any media info structures to the ifmedia 5033 * entries, so if we're using a pre-init function that needs 5034 * that info, override it to one that doesn't. 5035 */ 5036 if (sc->sc_preinit == tlp_2114x_preinit) 5037 sc->sc_preinit = tlp_2114x_mii_preinit; 5038 5039 sc->sc_mii.mii_ifp = ifp; 5040 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5041 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5042 sc->sc_mii.mii_statchg = sc->sc_statchg; 5043 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5044 tlp_mediastatus); 5045 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5046 MII_OFFSET_ANY, 0); 5047 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5048 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5049 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5050 } else { 5051 sc->sc_flags |= TULIPF_HAS_MII; 5052 sc->sc_tick = tlp_mii_tick; 5053 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5054 } 5055 } 5056 5057 /* 5058 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5059 */ 5060 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5061 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5062 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5063 5064 const struct tulip_mediasw tlp_pnic_mediasw = { 5065 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5066 }; 5067 5068 void tlp_pnic_nway_statchg __P((struct device *)); 5069 void tlp_pnic_nway_tick __P((void *)); 5070 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5071 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5072 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5073 void tlp_pnic_nway_auto_timeout __P((void *)); 5074 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5075 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5076 5077 void 5078 tlp_pnic_tmsw_init(sc) 5079 struct tulip_softc *sc; 5080 { 5081 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5082 const char *sep = ""; 5083 5084 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5085 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5086 5087 sc->sc_mii.mii_ifp = ifp; 5088 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5089 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5090 sc->sc_mii.mii_statchg = sc->sc_statchg; 5091 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5092 tlp_mediastatus); 5093 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5094 MII_OFFSET_ANY, 0); 5095 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5096 /* XXX What about AUI/BNC support? */ 5097 printf("%s: ", sc->sc_dev.dv_xname); 5098 5099 tlp_pnic_nway_reset(sc); 5100 5101 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5102 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5103 PRINT("10baseT"); 5104 5105 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5106 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5107 PRINT("10baseT-FDX"); 5108 5109 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5110 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5111 PRINT("100baseTX"); 5112 5113 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5114 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5115 PNIC_NWAY_CAP100TXFDX); 5116 PRINT("100baseTX-FDX"); 5117 5118 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5119 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5120 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5121 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5122 PRINT("auto"); 5123 5124 printf("\n"); 5125 5126 sc->sc_statchg = tlp_pnic_nway_statchg; 5127 sc->sc_tick = tlp_pnic_nway_tick; 5128 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5129 } else { 5130 sc->sc_flags |= TULIPF_HAS_MII; 5131 sc->sc_tick = tlp_mii_tick; 5132 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5133 } 5134 5135 #undef ADD 5136 #undef PRINT 5137 } 5138 5139 void 5140 tlp_pnic_tmsw_get(sc, ifmr) 5141 struct tulip_softc *sc; 5142 struct ifmediareq *ifmr; 5143 { 5144 struct mii_data *mii = &sc->sc_mii; 5145 5146 if (sc->sc_flags & TULIPF_HAS_MII) 5147 tlp_mii_getmedia(sc, ifmr); 5148 else { 5149 mii->mii_media_status = 0; 5150 mii->mii_media_active = IFM_NONE; 5151 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5152 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5153 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5154 } 5155 } 5156 5157 int 5158 tlp_pnic_tmsw_set(sc) 5159 struct tulip_softc *sc; 5160 { 5161 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5162 struct mii_data *mii = &sc->sc_mii; 5163 5164 if (sc->sc_flags & TULIPF_HAS_MII) { 5165 /* 5166 * Make sure the built-in Tx jabber timer is disabled. 5167 */ 5168 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5169 5170 return (tlp_mii_setmedia(sc)); 5171 } 5172 5173 if (ifp->if_flags & IFF_UP) { 5174 mii->mii_media_status = 0; 5175 mii->mii_media_active = IFM_NONE; 5176 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5177 } 5178 5179 return (0); 5180 } 5181 5182 void 5183 tlp_pnic_nway_statchg(self) 5184 struct device *self; 5185 { 5186 struct tulip_softc *sc = (struct tulip_softc *)self; 5187 5188 /* Idle the transmit and receive processes. */ 5189 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5190 5191 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5192 OPMODE_SCR|OPMODE_HBD); 5193 5194 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5195 sc->sc_opmode |= OPMODE_TTM; 5196 TULIP_WRITE(sc, CSR_GPP, 5197 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5198 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5199 } else { 5200 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5201 TULIP_WRITE(sc, CSR_GPP, 5202 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5203 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5204 } 5205 5206 if (sc->sc_mii.mii_media_active & IFM_FDX) 5207 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5208 5209 /* 5210 * Write new OPMODE bits. This also restarts the transmit 5211 * and receive processes. 5212 */ 5213 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5214 } 5215 5216 void 5217 tlp_pnic_nway_tick(arg) 5218 void *arg; 5219 { 5220 struct tulip_softc *sc = arg; 5221 int s; 5222 5223 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5224 return; 5225 5226 s = splnet(); 5227 tlp_pnic_nway_service(sc, MII_TICK); 5228 splx(s); 5229 5230 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5231 } 5232 5233 /* 5234 * Support for the Lite-On PNIC internal NWay block. This is constructed 5235 * somewhat like a PHY driver for simplicity. 5236 */ 5237 5238 int 5239 tlp_pnic_nway_service(sc, cmd) 5240 struct tulip_softc *sc; 5241 int cmd; 5242 { 5243 struct mii_data *mii = &sc->sc_mii; 5244 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5245 5246 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5247 return (0); 5248 5249 switch (cmd) { 5250 case MII_POLLSTAT: 5251 /* Nothing special to do here. */ 5252 break; 5253 5254 case MII_MEDIACHG: 5255 switch (IFM_SUBTYPE(ife->ifm_media)) { 5256 case IFM_AUTO: 5257 (void) tlp_pnic_nway_auto(sc, 1); 5258 break; 5259 case IFM_100_T4: 5260 /* 5261 * XXX Not supported as a manual setting right now. 5262 */ 5263 return (EINVAL); 5264 default: 5265 /* 5266 * NWAY register data is stored in the ifmedia entry. 5267 */ 5268 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5269 } 5270 break; 5271 5272 case MII_TICK: 5273 /* 5274 * Only used for autonegotiation. 5275 */ 5276 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5277 return (0); 5278 5279 /* 5280 * Check to see if we have link. If we do, we don't 5281 * need to restart the autonegotiation process. 5282 */ 5283 if (sc->sc_flags & TULIPF_LINK_UP) 5284 return (0); 5285 5286 /* 5287 * Only retry autonegotiation every 5 seconds. 5288 */ 5289 if (++sc->sc_nway_ticks != 5) 5290 return (0); 5291 5292 sc->sc_nway_ticks = 0; 5293 tlp_pnic_nway_reset(sc); 5294 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5295 return (0); 5296 break; 5297 } 5298 5299 /* Update the media status. */ 5300 tlp_pnic_nway_status(sc); 5301 5302 /* Callback if something changed. */ 5303 if ((sc->sc_nway_active == NULL || 5304 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5305 cmd == MII_MEDIACHG) { 5306 (*sc->sc_statchg)(&sc->sc_dev); 5307 tlp_nway_activate(sc, mii->mii_media_active); 5308 } 5309 return (0); 5310 } 5311 5312 void 5313 tlp_pnic_nway_reset(sc) 5314 struct tulip_softc *sc; 5315 { 5316 5317 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5318 delay(100); 5319 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5320 } 5321 5322 int 5323 tlp_pnic_nway_auto(sc, waitfor) 5324 struct tulip_softc *sc; 5325 int waitfor; 5326 { 5327 struct mii_data *mii = &sc->sc_mii; 5328 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5329 u_int32_t reg; 5330 int i; 5331 5332 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5333 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5334 5335 if (waitfor) { 5336 /* Wait 500ms for it to complete. */ 5337 for (i = 0; i < 500; i++) { 5338 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5339 if (reg & PNIC_NWAY_LPAR_MASK) { 5340 tlp_pnic_nway_acomp(sc); 5341 return (0); 5342 } 5343 delay(1000); 5344 } 5345 #if 0 5346 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5347 printf("%s: autonegotiation failed to complete\n", 5348 sc->sc_dev.dv_xname); 5349 #endif 5350 5351 /* 5352 * Don't need to worry about clearing DOINGAUTO. 5353 * If that's set, a timeout is pending, and it will 5354 * clear the flag. 5355 */ 5356 return (EIO); 5357 } 5358 5359 /* 5360 * Just let it finish asynchronously. This is for the benefit of 5361 * the tick handler driving autonegotiation. Don't want 500ms 5362 * delays all the time while the system is running! 5363 */ 5364 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5365 sc->sc_flags |= TULIPF_DOINGAUTO; 5366 callout_reset(&sc->sc_nway_callout, hz >> 1, 5367 tlp_pnic_nway_auto_timeout, sc); 5368 } 5369 return (EJUSTRETURN); 5370 } 5371 5372 void 5373 tlp_pnic_nway_auto_timeout(arg) 5374 void *arg; 5375 { 5376 struct tulip_softc *sc = arg; 5377 u_int32_t reg; 5378 int s; 5379 5380 s = splnet(); 5381 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5382 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5383 #if 0 5384 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5385 printf("%s: autonegotiation failed to complete\n", 5386 sc->sc_dev.dv_xname); 5387 #endif 5388 5389 tlp_pnic_nway_acomp(sc); 5390 5391 /* Update the media status. */ 5392 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5393 splx(s); 5394 } 5395 5396 void 5397 tlp_pnic_nway_status(sc) 5398 struct tulip_softc *sc; 5399 { 5400 struct mii_data *mii = &sc->sc_mii; 5401 u_int32_t reg; 5402 5403 mii->mii_media_status = IFM_AVALID; 5404 mii->mii_media_active = IFM_ETHER; 5405 5406 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5407 5408 if (sc->sc_flags & TULIPF_LINK_UP) 5409 mii->mii_media_status |= IFM_ACTIVE; 5410 5411 if (reg & PNIC_NWAY_NW) { 5412 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5413 /* Erg, still trying, I guess... */ 5414 mii->mii_media_active |= IFM_NONE; 5415 return; 5416 } 5417 5418 #if 0 5419 if (reg & PNIC_NWAY_LPAR100T4) 5420 mii->mii_media_active |= IFM_100_T4; 5421 else 5422 #endif 5423 if (reg & PNIC_NWAY_LPAR100TXFDX) 5424 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5425 else if (reg & PNIC_NWAY_LPAR100TX) 5426 mii->mii_media_active |= IFM_100_TX; 5427 else if (reg & PNIC_NWAY_LPAR10TFDX) 5428 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5429 else if (reg & PNIC_NWAY_LPAR10T) 5430 mii->mii_media_active |= IFM_10_T; 5431 else 5432 mii->mii_media_active |= IFM_NONE; 5433 } else { 5434 if (reg & PNIC_NWAY_100) 5435 mii->mii_media_active |= IFM_100_TX; 5436 else 5437 mii->mii_media_active |= IFM_10_T; 5438 if (reg & PNIC_NWAY_FD) 5439 mii->mii_media_active |= IFM_FDX; 5440 } 5441 } 5442 5443 void 5444 tlp_pnic_nway_acomp(sc) 5445 struct tulip_softc *sc; 5446 { 5447 u_int32_t reg; 5448 5449 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5450 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5451 5452 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5453 reg |= PNIC_NWAY_100; 5454 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5455 reg |= PNIC_NWAY_FD; 5456 5457 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5458 } 5459 5460 /* 5461 * Macronix PMAC and Lite-On PNIC-II media switch: 5462 * 5463 * MX98713 and MX98713A 21140-like MII or GPIO media. 5464 * 5465 * MX98713A 21143-like MII or SIA/SYM media. 5466 * 5467 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5468 * 82C115, MX98715AEC-C, -E 5469 * 5470 * So, what we do here is fake MII-on-SIO or ISV media info, and 5471 * use the ISV media switch get/set functions to handle the rest. 5472 */ 5473 5474 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5475 5476 const struct tulip_mediasw tlp_pmac_mediasw = { 5477 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5478 }; 5479 5480 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5481 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5482 }; 5483 5484 void 5485 tlp_pmac_tmsw_init(sc) 5486 struct tulip_softc *sc; 5487 { 5488 static const u_int8_t media[] = { 5489 TULIP_ROM_MB_MEDIA_TP, 5490 TULIP_ROM_MB_MEDIA_TP_FDX, 5491 TULIP_ROM_MB_MEDIA_100TX, 5492 TULIP_ROM_MB_MEDIA_100TX_FDX, 5493 }; 5494 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5495 5496 sc->sc_mii.mii_ifp = ifp; 5497 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5498 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5499 sc->sc_mii.mii_statchg = sc->sc_statchg; 5500 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5501 tlp_mediastatus); 5502 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5503 sc->sc_chip == TULIP_CHIP_MX98713A) { 5504 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5505 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5506 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5507 sc->sc_flags |= TULIPF_HAS_MII; 5508 sc->sc_tick = tlp_mii_tick; 5509 sc->sc_preinit = tlp_2114x_mii_preinit; 5510 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5511 ifmedia_set(&sc->sc_mii.mii_media, 5512 IFM_ETHER|IFM_AUTO); 5513 return; 5514 } 5515 } 5516 5517 switch (sc->sc_chip) { 5518 case TULIP_CHIP_MX98713: 5519 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5520 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5521 5522 /* 5523 * XXX Should implement auto-sense for this someday, 5524 * XXX when we do the same for the 21140. 5525 */ 5526 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5527 break; 5528 5529 default: 5530 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5531 tlp_sia_get, tlp_sia_set, media, 2); 5532 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5533 tlp_sia_get, tlp_sia_set, media + 2, 2); 5534 5535 /* 5536 * XXX Autonegotiation not yet supported. 5537 */ 5538 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5539 break; 5540 } 5541 5542 tlp_print_media(sc); 5543 tlp_sia_fixup(sc); 5544 5545 /* Set the LED modes. */ 5546 tlp_pmac_reset(sc); 5547 5548 sc->sc_reset = tlp_pmac_reset; 5549 } 5550 5551 /* 5552 * ADMtek AL981 media switch. Only has internal PHY. 5553 */ 5554 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5555 5556 const struct tulip_mediasw tlp_al981_mediasw = { 5557 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5558 }; 5559 5560 void 5561 tlp_al981_tmsw_init(sc) 5562 struct tulip_softc *sc; 5563 { 5564 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5565 5566 sc->sc_mii.mii_ifp = ifp; 5567 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5568 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5569 sc->sc_mii.mii_statchg = sc->sc_statchg; 5570 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5571 tlp_mediastatus); 5572 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5573 MII_OFFSET_ANY, 0); 5574 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5575 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5576 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5577 } else { 5578 sc->sc_flags |= TULIPF_HAS_MII; 5579 sc->sc_tick = tlp_mii_tick; 5580 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5581 } 5582 } 5583 5584 /* 5585 * ADMtek AN983/985 media switch. Only has internal PHY, but 5586 * on an SIO-like interface. Unfortunately, we can't use the 5587 * standard SIO media switch, because the AN985 "ghosts" the 5588 * singly PHY at every address. 5589 */ 5590 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5591 5592 const struct tulip_mediasw tlp_an985_mediasw = { 5593 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5594 }; 5595 5596 void 5597 tlp_an985_tmsw_init(sc) 5598 struct tulip_softc *sc; 5599 { 5600 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5601 5602 sc->sc_mii.mii_ifp = ifp; 5603 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5604 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5605 sc->sc_mii.mii_statchg = sc->sc_statchg; 5606 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5607 tlp_mediastatus); 5608 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5609 MII_OFFSET_ANY, 0); 5610 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5611 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5612 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5613 } else { 5614 sc->sc_flags |= TULIPF_HAS_MII; 5615 sc->sc_tick = tlp_mii_tick; 5616 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5617 } 5618 } 5619 5620 /* 5621 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5622 */ 5623 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5624 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5625 struct ifmediareq *)); 5626 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5627 5628 const struct tulip_mediasw tlp_dm9102_mediasw = { 5629 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5630 tlp_dm9102_tmsw_setmedia 5631 }; 5632 5633 void 5634 tlp_dm9102_tmsw_init(sc) 5635 struct tulip_softc *sc; 5636 { 5637 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5638 u_int32_t opmode; 5639 5640 sc->sc_mii.mii_ifp = ifp; 5641 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5642 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5643 sc->sc_mii.mii_statchg = sc->sc_statchg; 5644 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5645 tlp_mediastatus); 5646 5647 /* PHY block already reset via tlp_reset(). */ 5648 5649 /* 5650 * Configure OPMODE properly for the internal MII interface. 5651 */ 5652 switch (sc->sc_chip) { 5653 case TULIP_CHIP_DM9102: 5654 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5655 break; 5656 5657 case TULIP_CHIP_DM9102A: 5658 opmode = OPMODE_MBO|OPMODE_HBD; 5659 break; 5660 5661 default: 5662 /* Nothing. */ 5663 } 5664 5665 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5666 5667 /* Now, probe the internal MII for the internal PHY. */ 5668 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5669 MII_OFFSET_ANY, 0); 5670 5671 /* 5672 * XXX Figure out what to do about the HomePNA portion 5673 * XXX of the DM9102A. 5674 */ 5675 5676 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5677 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5678 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5679 } else { 5680 sc->sc_flags |= TULIPF_HAS_MII; 5681 sc->sc_tick = tlp_mii_tick; 5682 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5683 } 5684 } 5685 5686 void 5687 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5688 struct tulip_softc *sc; 5689 struct ifmediareq *ifmr; 5690 { 5691 5692 /* XXX HomePNA on DM9102A. */ 5693 tlp_mii_getmedia(sc, ifmr); 5694 } 5695 5696 int 5697 tlp_dm9102_tmsw_setmedia(sc) 5698 struct tulip_softc *sc; 5699 { 5700 5701 /* XXX HomePNA on DM9102A. */ 5702 return (tlp_mii_setmedia(sc)); 5703 } 5704
Indexes created Fri Sep 26 08:10:20 GMT 2025