tulip.c revision 1.77
1 /* $NetBSD: tulip.c,v 1.77 2000/10/09 14:31:01 enami Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/callout.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #include <machine/endian.h> 61 62 #include <uvm/uvm_extern.h> 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/if_inarp.h> 76 #endif 77 78 #ifdef NS 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 #include <dev/mii/mii_bitbang.h> 89 90 #include <dev/ic/tulipreg.h> 91 #include <dev/ic/tulipvar.h> 92 93 const char *tlp_chip_names[] = TULIP_CHIP_NAMES; 94 95 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_10; 97 98 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 99 TLP_TXTHRESH_TAB_10_100; 100 101 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 102 TLP_TXTHRESH_TAB_WINB; 103 104 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 105 TLP_TXTHRESH_TAB_DM9102; 106 107 void tlp_start __P((struct ifnet *)); 108 void tlp_watchdog __P((struct ifnet *)); 109 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 110 111 void tlp_shutdown __P((void *)); 112 113 void tlp_reset __P((struct tulip_softc *)); 114 int tlp_init __P((struct tulip_softc *)); 115 void tlp_rxdrain __P((struct tulip_softc *)); 116 void tlp_stop __P((struct tulip_softc *, int)); 117 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 118 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 119 void tlp_srom_idle __P((struct tulip_softc *)); 120 int tlp_srom_size __P((struct tulip_softc *)); 121 122 int tlp_enable __P((struct tulip_softc *)); 123 void tlp_disable __P((struct tulip_softc *)); 124 void tlp_power __P((int, void *)); 125 126 void tlp_filter_setup __P((struct tulip_softc *)); 127 void tlp_winb_filter_setup __P((struct tulip_softc *)); 128 void tlp_al981_filter_setup __P((struct tulip_softc *)); 129 130 void tlp_rxintr __P((struct tulip_softc *)); 131 void tlp_txintr __P((struct tulip_softc *)); 132 133 void tlp_mii_tick __P((void *)); 134 void tlp_mii_statchg __P((struct device *)); 135 void tlp_winb_mii_statchg __P((struct device *)); 136 void tlp_dm9102_mii_statchg __P((struct device *)); 137 138 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 139 int tlp_mii_setmedia __P((struct tulip_softc *)); 140 141 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 142 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 143 144 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 145 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 146 147 int tlp_al981_mii_readreg __P((struct device *, int, int)); 148 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 149 150 void tlp_2114x_preinit __P((struct tulip_softc *)); 151 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 152 void tlp_pnic_preinit __P((struct tulip_softc *)); 153 void tlp_dm9102_preinit __P((struct tulip_softc *)); 154 155 void tlp_21140_reset __P((struct tulip_softc *)); 156 void tlp_21142_reset __P((struct tulip_softc *)); 157 void tlp_pmac_reset __P((struct tulip_softc *)); 158 void tlp_dm9102_reset __P((struct tulip_softc *)); 159 160 #define tlp_mchash(addr, sz) \ 161 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 162 163 /* 164 * MII bit-bang glue. 165 */ 166 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 167 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 168 169 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 170 tlp_sio_mii_bitbang_read, 171 tlp_sio_mii_bitbang_write, 172 { 173 MIIROM_MDO, /* MII_BIT_MDO */ 174 MIIROM_MDI, /* MII_BIT_MDI */ 175 MIIROM_MDC, /* MII_BIT_MDC */ 176 0, /* MII_BIT_DIR_HOST_PHY */ 177 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 178 } 179 }; 180 181 #ifdef TLP_DEBUG 182 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 183 printf x 184 #else 185 #define DPRINTF(sc, x) /* nothing */ 186 #endif 187 188 #ifdef TLP_STATS 189 void tlp_print_stats __P((struct tulip_softc *)); 190 #endif 191 192 /* 193 * Can be used to debug the SROM-related things, including contents. 194 * Initialized so that it's patchable. 195 */ 196 int tlp_srom_debug = 0; 197 198 /* 199 * tlp_attach: 200 * 201 * Attach a Tulip interface to the system. 202 */ 203 void 204 tlp_attach(sc, enaddr) 205 struct tulip_softc *sc; 206 const u_int8_t *enaddr; 207 { 208 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 209 int i, error; 210 211 callout_init(&sc->sc_nway_callout); 212 callout_init(&sc->sc_tick_callout); 213 214 /* 215 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 216 */ 217 218 /* 219 * Setup the transmit threshold table. 220 */ 221 switch (sc->sc_chip) { 222 case TULIP_CHIP_DE425: 223 case TULIP_CHIP_21040: 224 case TULIP_CHIP_21041: 225 sc->sc_txth = tlp_10_txthresh_tab; 226 break; 227 228 case TULIP_CHIP_DM9102: 229 case TULIP_CHIP_DM9102A: 230 sc->sc_txth = tlp_dm9102_txthresh_tab; 231 break; 232 233 default: 234 sc->sc_txth = tlp_10_100_txthresh_tab; 235 break; 236 } 237 238 /* 239 * Setup the filter setup function. 240 */ 241 switch (sc->sc_chip) { 242 case TULIP_CHIP_WB89C840F: 243 sc->sc_filter_setup = tlp_winb_filter_setup; 244 break; 245 246 case TULIP_CHIP_AL981: 247 case TULIP_CHIP_AN983: 248 case TULIP_CHIP_AN985: 249 sc->sc_filter_setup = tlp_al981_filter_setup; 250 break; 251 252 default: 253 sc->sc_filter_setup = tlp_filter_setup; 254 break; 255 } 256 257 /* 258 * Set up the media status change function. 259 */ 260 switch (sc->sc_chip) { 261 case TULIP_CHIP_WB89C840F: 262 sc->sc_statchg = tlp_winb_mii_statchg; 263 break; 264 265 case TULIP_CHIP_DM9102: 266 case TULIP_CHIP_DM9102A: 267 sc->sc_statchg = tlp_dm9102_mii_statchg; 268 break; 269 270 default: 271 /* 272 * We may override this if we have special media 273 * handling requirements (e.g. flipping GPIO pins). 274 * 275 * The pure-MII statchg function covers the basics. 276 */ 277 sc->sc_statchg = tlp_mii_statchg; 278 break; 279 } 280 281 /* 282 * Default to no FS|LS in setup packet descriptors. They're 283 * supposed to be zero according to the 21040 and 21143 284 * manuals, and some chips fall over badly if they're 285 * included. Yet, other chips seem to require them. Sigh. 286 */ 287 switch (sc->sc_chip) { 288 case TULIP_CHIP_X3201_3: 289 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 290 break; 291 292 default: 293 sc->sc_setup_fsls = 0; 294 } 295 296 /* 297 * Set up various chip-specific quirks. 298 * 299 * Note that wherever we can, we use the "ring" option for 300 * transmit and receive descriptors. This is because some 301 * clone chips apparently have problems when using chaining, 302 * although some *only* support chaining. 303 * 304 * What we do is always program the "next" pointer, and then 305 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 306 * appropriate places. 307 */ 308 switch (sc->sc_chip) { 309 case TULIP_CHIP_21140: 310 case TULIP_CHIP_21140A: 311 case TULIP_CHIP_21142: 312 case TULIP_CHIP_21143: 313 case TULIP_CHIP_82C115: /* 21143-like */ 314 case TULIP_CHIP_MX98713: /* 21140-like */ 315 case TULIP_CHIP_MX98713A: /* 21143-like */ 316 case TULIP_CHIP_MX98715: /* 21143-like */ 317 case TULIP_CHIP_MX98715A: /* 21143-like */ 318 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 319 case TULIP_CHIP_MX98725: /* 21143-like */ 320 /* 321 * Run these chips in ring mode. 322 */ 323 sc->sc_tdctl_ch = 0; 324 sc->sc_tdctl_er = TDCTL_ER; 325 sc->sc_preinit = tlp_2114x_preinit; 326 break; 327 328 case TULIP_CHIP_82C168: 329 case TULIP_CHIP_82C169: 330 /* 331 * Run these chips in ring mode. 332 */ 333 sc->sc_tdctl_ch = 0; 334 sc->sc_tdctl_er = TDCTL_ER; 335 sc->sc_preinit = tlp_pnic_preinit; 336 337 /* 338 * These chips seem to have busted DMA engines; just put them 339 * in Store-and-Forward mode from the get-go. 340 */ 341 sc->sc_txthresh = TXTH_SF; 342 break; 343 344 case TULIP_CHIP_WB89C840F: 345 /* 346 * Run this chip in chained mode. 347 */ 348 sc->sc_tdctl_ch = TDCTL_CH; 349 sc->sc_tdctl_er = 0; 350 sc->sc_flags |= TULIPF_IC_FS; 351 break; 352 353 case TULIP_CHIP_DM9102: 354 case TULIP_CHIP_DM9102A: 355 /* 356 * Run these chips in chained mode. 357 */ 358 sc->sc_tdctl_ch = TDCTL_CH; 359 sc->sc_tdctl_er = 0; 360 sc->sc_preinit = tlp_dm9102_preinit; 361 362 /* 363 * These chips have a broken bus interface, so we 364 * can't use any optimized bus commands. For this 365 * reason, we tend to underrun pretty quickly, so 366 * just to Store-and-Forward mode from the get-go. 367 */ 368 sc->sc_txthresh = TXTH_DM9102_SF; 369 break; 370 371 default: 372 /* 373 * Default to running in ring mode. 374 */ 375 sc->sc_tdctl_ch = 0; 376 sc->sc_tdctl_er = TDCTL_ER; 377 } 378 379 /* 380 * Set up the MII bit-bang operations. 381 */ 382 switch (sc->sc_chip) { 383 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 384 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 385 break; 386 387 default: 388 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 389 } 390 391 SIMPLEQ_INIT(&sc->sc_txfreeq); 392 SIMPLEQ_INIT(&sc->sc_txdirtyq); 393 394 /* 395 * Allocate the control data structures, and create and load the 396 * DMA map for it. 397 */ 398 if ((error = bus_dmamem_alloc(sc->sc_dmat, 399 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 400 1, &sc->sc_cdnseg, 0)) != 0) { 401 printf("%s: unable to allocate control data, error = %d\n", 402 sc->sc_dev.dv_xname, error); 403 goto fail_0; 404 } 405 406 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 407 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 408 BUS_DMA_COHERENT)) != 0) { 409 printf("%s: unable to map control data, error = %d\n", 410 sc->sc_dev.dv_xname, error); 411 goto fail_1; 412 } 413 414 if ((error = bus_dmamap_create(sc->sc_dmat, 415 sizeof(struct tulip_control_data), 1, 416 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 417 printf("%s: unable to create control data DMA map, " 418 "error = %d\n", sc->sc_dev.dv_xname, error); 419 goto fail_2; 420 } 421 422 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 423 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 424 0)) != 0) { 425 printf("%s: unable to load control data DMA map, error = %d\n", 426 sc->sc_dev.dv_xname, error); 427 goto fail_3; 428 } 429 430 /* 431 * Create the transmit buffer DMA maps. 432 * 433 * Note that on the Xircom clone, transmit buffers must be 434 * 4-byte aligned. We're almost guaranteed to have to copy 435 * the packet in that case, so we just limit ourselves to 436 * one segment. 437 * 438 * On the DM9102, the transmit logic can only handle one 439 * DMA segment. 440 */ 441 switch (sc->sc_chip) { 442 case TULIP_CHIP_X3201_3: 443 case TULIP_CHIP_DM9102: 444 case TULIP_CHIP_DM9102A: 445 sc->sc_ntxsegs = 1; 446 break; 447 448 default: 449 sc->sc_ntxsegs = TULIP_NTXSEGS; 450 } 451 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 452 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 453 sc->sc_ntxsegs, MCLBYTES, 0, 0, 454 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 455 printf("%s: unable to create tx DMA map %d, " 456 "error = %d\n", sc->sc_dev.dv_xname, i, error); 457 goto fail_4; 458 } 459 } 460 461 /* 462 * Create the recieve buffer DMA maps. 463 */ 464 for (i = 0; i < TULIP_NRXDESC; i++) { 465 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 466 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 467 printf("%s: unable to create rx DMA map %d, " 468 "error = %d\n", sc->sc_dev.dv_xname, i, error); 469 goto fail_5; 470 } 471 sc->sc_rxsoft[i].rxs_mbuf = NULL; 472 } 473 474 /* 475 * From this point forward, the attachment cannot fail. A failure 476 * before this point releases all resources that may have been 477 * allocated. 478 */ 479 sc->sc_flags |= TULIPF_ATTACHED; 480 481 /* 482 * Reset the chip to a known state. 483 */ 484 tlp_reset(sc); 485 486 /* Announce ourselves. */ 487 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 488 sc->sc_name[0] != '\0' ? sc->sc_name : "", 489 sc->sc_name[0] != '\0' ? ", " : "", 490 ether_sprintf(enaddr)); 491 492 /* 493 * Initialize our media structures. This may probe the MII, if 494 * present. 495 */ 496 (*sc->sc_mediasw->tmsw_init)(sc); 497 498 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 499 ifp->if_softc = sc; 500 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 501 ifp->if_ioctl = tlp_ioctl; 502 ifp->if_start = tlp_start; 503 ifp->if_watchdog = tlp_watchdog; 504 505 /* 506 * We can support 802.1Q VLAN-sized frames. 507 */ 508 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 509 510 /* 511 * Attach the interface. 512 */ 513 if_attach(ifp); 514 ether_ifattach(ifp, enaddr); 515 #if NBPFILTER > 0 516 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 517 sizeof(struct ether_header)); 518 #endif 519 #if NRND > 0 520 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 521 RND_TYPE_NET, 0); 522 #endif 523 524 /* 525 * Make sure the interface is shutdown during reboot. 526 */ 527 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 528 if (sc->sc_sdhook == NULL) 529 printf("%s: WARNING: unable to establish shutdown hook\n", 530 sc->sc_dev.dv_xname); 531 532 /* 533 * Add a suspend hook to make sure we come back up after a 534 * resume. 535 */ 536 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 537 if (sc->sc_powerhook == NULL) 538 printf("%s: WARNING: unable to establish power hook\n", 539 sc->sc_dev.dv_xname); 540 return; 541 542 /* 543 * Free any resources we've allocated during the failed attach 544 * attempt. Do this in reverse order and fall through. 545 */ 546 fail_5: 547 for (i = 0; i < TULIP_NRXDESC; i++) { 548 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 549 bus_dmamap_destroy(sc->sc_dmat, 550 sc->sc_rxsoft[i].rxs_dmamap); 551 } 552 fail_4: 553 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 554 if (sc->sc_txsoft[i].txs_dmamap != NULL) 555 bus_dmamap_destroy(sc->sc_dmat, 556 sc->sc_txsoft[i].txs_dmamap); 557 } 558 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 559 fail_3: 560 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 561 fail_2: 562 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 563 sizeof(struct tulip_control_data)); 564 fail_1: 565 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 566 fail_0: 567 return; 568 } 569 570 /* 571 * tlp_activate: 572 * 573 * Handle device activation/deactivation requests. 574 */ 575 int 576 tlp_activate(self, act) 577 struct device *self; 578 enum devact act; 579 { 580 struct tulip_softc *sc = (void *) self; 581 int s, error = 0; 582 583 s = splnet(); 584 switch (act) { 585 case DVACT_ACTIVATE: 586 error = EOPNOTSUPP; 587 break; 588 589 case DVACT_DEACTIVATE: 590 if (sc->sc_flags & TULIPF_HAS_MII) 591 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 592 MII_OFFSET_ANY); 593 if_deactivate(&sc->sc_ethercom.ec_if); 594 break; 595 } 596 splx(s); 597 598 return (error); 599 } 600 601 /* 602 * tlp_detach: 603 * 604 * Detach a Tulip interface. 605 */ 606 int 607 tlp_detach(sc) 608 struct tulip_softc *sc; 609 { 610 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 611 struct tulip_rxsoft *rxs; 612 struct tulip_txsoft *txs; 613 int i; 614 615 /* 616 * Suceed now if there isn't any work to do. 617 */ 618 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 619 return (0); 620 621 /* Unhook our tick handler. */ 622 if (sc->sc_tick) 623 callout_stop(&sc->sc_tick_callout); 624 625 if (sc->sc_flags & TULIPF_HAS_MII) { 626 /* Detach all PHYs */ 627 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 628 } 629 630 /* Delete all remaining media. */ 631 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 632 633 #if NRND > 0 634 rnd_detach_source(&sc->sc_rnd_source); 635 #endif 636 #if NBPFILTER > 0 637 bpfdetach(ifp); 638 #endif 639 ether_ifdetach(ifp); 640 if_detach(ifp); 641 642 for (i = 0; i < TULIP_NRXDESC; i++) { 643 rxs = &sc->sc_rxsoft[i]; 644 if (rxs->rxs_mbuf != NULL) { 645 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 646 m_freem(rxs->rxs_mbuf); 647 rxs->rxs_mbuf = NULL; 648 } 649 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 650 } 651 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 652 txs = &sc->sc_txsoft[i]; 653 if (txs->txs_mbuf != NULL) { 654 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 655 m_freem(txs->txs_mbuf); 656 txs->txs_mbuf = NULL; 657 } 658 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 659 } 660 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 661 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 662 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 663 sizeof(struct tulip_control_data)); 664 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 665 666 shutdownhook_disestablish(sc->sc_sdhook); 667 powerhook_disestablish(sc->sc_powerhook); 668 669 if (sc->sc_srom) 670 free(sc->sc_srom, M_DEVBUF); 671 672 return (0); 673 } 674 675 /* 676 * tlp_shutdown: 677 * 678 * Make sure the interface is stopped at reboot time. 679 */ 680 void 681 tlp_shutdown(arg) 682 void *arg; 683 { 684 struct tulip_softc *sc = arg; 685 686 tlp_stop(sc, 1); 687 } 688 689 /* 690 * tlp_start: [ifnet interface function] 691 * 692 * Start packet transmission on the interface. 693 */ 694 void 695 tlp_start(ifp) 696 struct ifnet *ifp; 697 { 698 struct tulip_softc *sc = ifp->if_softc; 699 struct mbuf *m0, *m; 700 struct tulip_txsoft *txs, *last_txs; 701 bus_dmamap_t dmamap; 702 int error, firsttx, nexttx, lasttx, ofree, seg; 703 704 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 705 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 706 707 /* 708 * If we want a filter setup, it means no more descriptors were 709 * available for the setup routine. Let it get a chance to wedge 710 * itself into the ring. 711 */ 712 if (sc->sc_flags & TULIPF_WANT_SETUP) 713 ifp->if_flags |= IFF_OACTIVE; 714 715 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 716 return; 717 718 /* 719 * Remember the previous number of free descriptors and 720 * the first descriptor we'll use. 721 */ 722 ofree = sc->sc_txfree; 723 firsttx = sc->sc_txnext; 724 725 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 726 sc->sc_dev.dv_xname, ofree, firsttx)); 727 728 /* 729 * Loop through the send queue, setting up transmit descriptors 730 * until we drain the queue, or use up all available transmit 731 * descriptors. 732 */ 733 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 734 sc->sc_txfree != 0) { 735 /* 736 * Grab a packet off the queue. 737 */ 738 IF_DEQUEUE(&ifp->if_snd, m0); 739 if (m0 == NULL) 740 break; 741 742 dmamap = txs->txs_dmamap; 743 744 /* 745 * Load the DMA map. If this fails, the packet either 746 * didn't fit in the alloted number of segments, or we were 747 * short on resources. In this case, we'll copy and try 748 * again. 749 * 750 * Note that if we're only allowed 1 Tx segment, we 751 * have an alignment restriction. Do this test before 752 * attempting to load the DMA map, because it's more 753 * likely we'll trip the alignment test than the 754 * more-than-one-segment test. 755 */ 756 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 757 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 758 BUS_DMA_NOWAIT) != 0) { 759 MGETHDR(m, M_DONTWAIT, MT_DATA); 760 if (m == NULL) { 761 printf("%s: unable to allocate Tx mbuf\n", 762 sc->sc_dev.dv_xname); 763 IF_PREPEND(&ifp->if_snd, m0); 764 break; 765 } 766 if (m0->m_pkthdr.len > MHLEN) { 767 MCLGET(m, M_DONTWAIT); 768 if ((m->m_flags & M_EXT) == 0) { 769 printf("%s: unable to allocate Tx " 770 "cluster\n", sc->sc_dev.dv_xname); 771 m_freem(m); 772 IF_PREPEND(&ifp->if_snd, m0); 773 break; 774 } 775 } 776 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 777 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 778 m_freem(m0); 779 m0 = m; 780 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 781 m0, BUS_DMA_NOWAIT); 782 if (error) { 783 printf("%s: unable to load Tx buffer, " 784 "error = %d\n", sc->sc_dev.dv_xname, error); 785 IF_PREPEND(&ifp->if_snd, m0); 786 break; 787 } 788 } 789 790 /* 791 * Ensure we have enough descriptors free to describe 792 * the packet. 793 */ 794 if (dmamap->dm_nsegs > sc->sc_txfree) { 795 /* 796 * Not enough free descriptors to transmit this 797 * packet. We haven't committed to anything yet, 798 * so just unload the DMA map, put the packet 799 * back on the queue, and punt. Notify the upper 800 * layer that there are no more slots left. 801 * 802 * XXX We could allocate an mbuf and copy, but 803 * XXX it is worth it? 804 */ 805 ifp->if_flags |= IFF_OACTIVE; 806 bus_dmamap_unload(sc->sc_dmat, dmamap); 807 IF_PREPEND(&ifp->if_snd, m0); 808 break; 809 } 810 811 /* 812 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 813 */ 814 815 /* Sync the DMA map. */ 816 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 817 BUS_DMASYNC_PREWRITE); 818 819 /* 820 * Initialize the transmit descriptors. 821 */ 822 for (nexttx = sc->sc_txnext, seg = 0; 823 seg < dmamap->dm_nsegs; 824 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 825 /* 826 * If this is the first descriptor we're 827 * enqueueing, don't set the OWN bit just 828 * yet. That could cause a race condition. 829 * We'll do it below. 830 */ 831 sc->sc_txdescs[nexttx].td_status = 832 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 833 sc->sc_txdescs[nexttx].td_bufaddr1 = 834 htole32(dmamap->dm_segs[seg].ds_addr); 835 sc->sc_txdescs[nexttx].td_ctl = 836 htole32((dmamap->dm_segs[seg].ds_len << 837 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 838 (nexttx == (TULIP_NTXDESC - 1) ? 839 sc->sc_tdctl_er : 0)); 840 lasttx = nexttx; 841 } 842 843 /* Set `first segment' and `last segment' appropriately. */ 844 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 845 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 846 847 #ifdef TLP_DEBUG 848 if (ifp->if_flags & IFF_DEBUG) { 849 printf(" txsoft %p transmit chain:\n", txs); 850 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 851 printf(" descriptor %d:\n", seg); 852 printf(" td_status: 0x%08x\n", 853 le32toh(sc->sc_txdescs[seg].td_status)); 854 printf(" td_ctl: 0x%08x\n", 855 le32toh(sc->sc_txdescs[seg].td_ctl)); 856 printf(" td_bufaddr1: 0x%08x\n", 857 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 858 printf(" td_bufaddr2: 0x%08x\n", 859 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 860 if (seg == lasttx) 861 break; 862 } 863 } 864 #endif 865 866 /* Sync the descriptors we're using. */ 867 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 868 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 869 870 /* 871 * Store a pointer to the packet so we can free it later, 872 * and remember what txdirty will be once the packet is 873 * done. 874 */ 875 txs->txs_mbuf = m0; 876 txs->txs_firstdesc = sc->sc_txnext; 877 txs->txs_lastdesc = lasttx; 878 txs->txs_ndescs = dmamap->dm_nsegs; 879 880 /* Advance the tx pointer. */ 881 sc->sc_txfree -= dmamap->dm_nsegs; 882 sc->sc_txnext = nexttx; 883 884 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 885 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 886 887 last_txs = txs; 888 889 #if NBPFILTER > 0 890 /* 891 * Pass the packet to any BPF listeners. 892 */ 893 if (ifp->if_bpf) 894 bpf_mtap(ifp->if_bpf, m0); 895 #endif /* NBPFILTER > 0 */ 896 } 897 898 if (txs == NULL || sc->sc_txfree == 0) { 899 /* No more slots left; notify upper layer. */ 900 ifp->if_flags |= IFF_OACTIVE; 901 } 902 903 if (sc->sc_txfree != ofree) { 904 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 905 sc->sc_dev.dv_xname, lasttx, firsttx)); 906 /* 907 * Cause a transmit interrupt to happen on the 908 * last packet we enqueued. 909 */ 910 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 911 TULIP_CDTXSYNC(sc, lasttx, 1, 912 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 913 914 /* 915 * Some clone chips want IC on the *first* segment in 916 * the packet. Appease them. 917 */ 918 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 919 last_txs->txs_firstdesc != lasttx) { 920 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 921 htole32(TDCTL_Tx_IC); 922 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 923 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 924 } 925 926 /* 927 * The entire packet chain is set up. Give the 928 * first descriptor to the chip now. 929 */ 930 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 931 TULIP_CDTXSYNC(sc, firsttx, 1, 932 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 933 934 /* Wake up the transmitter. */ 935 /* XXX USE AUTOPOLLING? */ 936 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 937 938 /* Set a watchdog timer in case the chip flakes out. */ 939 ifp->if_timer = 5; 940 } 941 } 942 943 /* 944 * tlp_watchdog: [ifnet interface function] 945 * 946 * Watchdog timer handler. 947 */ 948 void 949 tlp_watchdog(ifp) 950 struct ifnet *ifp; 951 { 952 struct tulip_softc *sc = ifp->if_softc; 953 int doing_setup, doing_transmit; 954 955 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 956 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 957 958 if (doing_setup && doing_transmit) { 959 printf("%s: filter setup and transmit timeout\n", 960 sc->sc_dev.dv_xname); 961 ifp->if_oerrors++; 962 } else if (doing_transmit) { 963 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 964 ifp->if_oerrors++; 965 } else if (doing_setup) 966 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 967 else 968 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 969 970 (void) tlp_init(sc); 971 972 /* Try to get more packets going. */ 973 tlp_start(ifp); 974 } 975 976 /* 977 * tlp_ioctl: [ifnet interface function] 978 * 979 * Handle control requests from the operator. 980 */ 981 int 982 tlp_ioctl(ifp, cmd, data) 983 struct ifnet *ifp; 984 u_long cmd; 985 caddr_t data; 986 { 987 struct tulip_softc *sc = ifp->if_softc; 988 struct ifreq *ifr = (struct ifreq *)data; 989 struct ifaddr *ifa = (struct ifaddr *)data; 990 int s, error = 0; 991 992 s = splnet(); 993 994 switch (cmd) { 995 case SIOCSIFADDR: 996 if ((error = tlp_enable(sc)) != 0) 997 break; 998 ifp->if_flags |= IFF_UP; 999 1000 switch (ifa->ifa_addr->sa_family) { 1001 #ifdef INET 1002 case AF_INET: 1003 if ((error = tlp_init(sc)) != 0) 1004 break; 1005 arp_ifinit(ifp, ifa); 1006 break; 1007 #endif /* INET */ 1008 #ifdef NS 1009 case AF_NS: 1010 { 1011 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1012 1013 if (ns_nullhost(*ina)) 1014 ina->x_host = *(union ns_host *) 1015 LLADDR(ifp->if_sadl); 1016 else 1017 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 1018 ifp->if_addrlen); 1019 /* Set new address. */ 1020 error = tlp_init(sc); 1021 break; 1022 } 1023 #endif /* NS */ 1024 default: 1025 error = tlp_init(sc); 1026 break; 1027 } 1028 break; 1029 1030 case SIOCSIFMTU: 1031 if (ifr->ifr_mtu > ETHERMTU) 1032 error = EINVAL; 1033 else 1034 ifp->if_mtu = ifr->ifr_mtu; 1035 break; 1036 1037 case SIOCSIFFLAGS: 1038 #ifdef TLP_STATS 1039 if (ifp->if_flags & IFF_DEBUG) 1040 tlp_print_stats(sc); 1041 #endif 1042 if ((ifp->if_flags & IFF_UP) == 0 && 1043 (ifp->if_flags & IFF_RUNNING) != 0) { 1044 /* 1045 * If interface is marked down and it is running, then 1046 * stop it. 1047 */ 1048 tlp_stop(sc, 1); 1049 tlp_disable(sc); 1050 } else if ((ifp->if_flags & IFF_UP) != 0 && 1051 (ifp->if_flags & IFF_RUNNING) == 0) { 1052 /* 1053 * If interfase it marked up and it is stopped, then 1054 * start it. 1055 */ 1056 if ((error = tlp_enable(sc)) != 0) 1057 break; 1058 error = tlp_init(sc); 1059 } else if ((ifp->if_flags & IFF_UP) != 0) { 1060 /* 1061 * Reset the interface to pick up changes in any other 1062 * flags that affect the hardware state. 1063 */ 1064 if ((error = tlp_enable(sc)) != 0) 1065 break; 1066 error = tlp_init(sc); 1067 } 1068 break; 1069 1070 case SIOCADDMULTI: 1071 case SIOCDELMULTI: 1072 error = (cmd == SIOCADDMULTI) ? 1073 ether_addmulti(ifr, &sc->sc_ethercom) : 1074 ether_delmulti(ifr, &sc->sc_ethercom); 1075 1076 if (TULIP_IS_ENABLED(sc) && error == ENETRESET) { 1077 /* 1078 * Multicast list has changed. Set the filter 1079 * accordingly. 1080 */ 1081 (*sc->sc_filter_setup)(sc); 1082 error = 0; 1083 } 1084 break; 1085 1086 case SIOCSIFMEDIA: 1087 case SIOCGIFMEDIA: 1088 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1089 break; 1090 1091 default: 1092 error = EINVAL; 1093 break; 1094 } 1095 1096 /* Try to get more packets going. */ 1097 if (TULIP_IS_ENABLED(sc)) 1098 tlp_start(ifp); 1099 1100 splx(s); 1101 return (error); 1102 } 1103 1104 /* 1105 * tlp_intr: 1106 * 1107 * Interrupt service routine. 1108 */ 1109 int 1110 tlp_intr(arg) 1111 void *arg; 1112 { 1113 struct tulip_softc *sc = arg; 1114 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1115 u_int32_t status, rxstatus, txstatus; 1116 int handled = 0, txthresh; 1117 1118 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1119 1120 #ifdef DEBUG 1121 if (TULIP_IS_ENABLED(sc) == 0) 1122 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1123 #endif 1124 1125 /* 1126 * If the interface isn't running, the interrupt couldn't 1127 * possibly have come from us. 1128 */ 1129 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1130 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1131 return (0); 1132 1133 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1134 switch (sc->sc_chip) { 1135 case TULIP_CHIP_DM9102: 1136 case TULIP_CHIP_DM9102A: 1137 TULIP_WRITE(sc, CSR_INTEN, 0); 1138 break; 1139 1140 default: 1141 /* Nothing. */ 1142 } 1143 1144 for (;;) { 1145 status = TULIP_READ(sc, CSR_STATUS); 1146 if (status) 1147 TULIP_WRITE(sc, CSR_STATUS, status); 1148 1149 if ((status & sc->sc_inten) == 0) 1150 break; 1151 1152 handled = 1; 1153 1154 rxstatus = status & sc->sc_rxint_mask; 1155 txstatus = status & sc->sc_txint_mask; 1156 1157 if (rxstatus) { 1158 /* Grab new any new packets. */ 1159 tlp_rxintr(sc); 1160 1161 if (rxstatus & STATUS_RWT) 1162 printf("%s: receive watchdog timeout\n", 1163 sc->sc_dev.dv_xname); 1164 1165 if (rxstatus & STATUS_RU) { 1166 printf("%s: receive ring overrun\n", 1167 sc->sc_dev.dv_xname); 1168 /* Get the receive process going again. */ 1169 if (sc->sc_tdctl_er != TDCTL_ER) { 1170 tlp_idle(sc, OPMODE_SR); 1171 TULIP_WRITE(sc, CSR_RXLIST, 1172 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1173 TULIP_WRITE(sc, CSR_OPMODE, 1174 sc->sc_opmode); 1175 } 1176 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1177 break; 1178 } 1179 } 1180 1181 if (txstatus) { 1182 /* Sweep up transmit descriptors. */ 1183 tlp_txintr(sc); 1184 1185 if (txstatus & STATUS_TJT) 1186 printf("%s: transmit jabber timeout\n", 1187 sc->sc_dev.dv_xname); 1188 1189 if (txstatus & STATUS_UNF) { 1190 /* 1191 * Increase our transmit threshold if 1192 * another is available. 1193 */ 1194 txthresh = sc->sc_txthresh + 1; 1195 if (sc->sc_txth[txthresh].txth_name != NULL) { 1196 /* Idle the transmit process. */ 1197 tlp_idle(sc, OPMODE_ST); 1198 1199 sc->sc_txthresh = txthresh; 1200 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1201 sc->sc_opmode |= 1202 sc->sc_txth[txthresh].txth_opmode; 1203 printf("%s: transmit underrun; new " 1204 "threshold: %s\n", 1205 sc->sc_dev.dv_xname, 1206 sc->sc_txth[txthresh].txth_name); 1207 1208 /* 1209 * Set the new threshold and restart 1210 * the transmit process. 1211 */ 1212 TULIP_WRITE(sc, CSR_OPMODE, 1213 sc->sc_opmode); 1214 } 1215 /* 1216 * XXX Log every Nth underrun from 1217 * XXX now on? 1218 */ 1219 } 1220 } 1221 1222 if (status & (STATUS_TPS|STATUS_RPS)) { 1223 if (status & STATUS_TPS) 1224 printf("%s: transmit process stopped\n", 1225 sc->sc_dev.dv_xname); 1226 if (status & STATUS_RPS) 1227 printf("%s: receive process stopped\n", 1228 sc->sc_dev.dv_xname); 1229 (void) tlp_init(sc); 1230 break; 1231 } 1232 1233 if (status & STATUS_SE) { 1234 const char *str; 1235 switch (status & STATUS_EB) { 1236 case STATUS_EB_PARITY: 1237 str = "parity error"; 1238 break; 1239 1240 case STATUS_EB_MABT: 1241 str = "master abort"; 1242 break; 1243 1244 case STATUS_EB_TABT: 1245 str = "target abort"; 1246 break; 1247 1248 default: 1249 str = "unknown error"; 1250 break; 1251 } 1252 printf("%s: fatal system error: %s\n", 1253 sc->sc_dev.dv_xname, str); 1254 (void) tlp_init(sc); 1255 break; 1256 } 1257 1258 /* 1259 * Not handled: 1260 * 1261 * Transmit buffer unavailable -- normal 1262 * condition, nothing to do, really. 1263 * 1264 * General purpose timer experied -- we don't 1265 * use the general purpose timer. 1266 * 1267 * Early receive interrupt -- not available on 1268 * all chips, we just use RI. We also only 1269 * use single-segment receive DMA, so this 1270 * is mostly useless. 1271 */ 1272 } 1273 1274 /* Bring interrupts back up on the DM9102. */ 1275 switch (sc->sc_chip) { 1276 case TULIP_CHIP_DM9102: 1277 case TULIP_CHIP_DM9102A: 1278 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1279 break; 1280 1281 default: 1282 /* Nothing. */ 1283 } 1284 1285 /* Try to get more packets going. */ 1286 tlp_start(ifp); 1287 1288 #if NRND > 0 1289 if (handled) 1290 rnd_add_uint32(&sc->sc_rnd_source, status); 1291 #endif 1292 return (handled); 1293 } 1294 1295 /* 1296 * tlp_rxintr: 1297 * 1298 * Helper; handle receive interrupts. 1299 */ 1300 void 1301 tlp_rxintr(sc) 1302 struct tulip_softc *sc; 1303 { 1304 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1305 struct ether_header *eh; 1306 struct tulip_rxsoft *rxs; 1307 struct mbuf *m; 1308 u_int32_t rxstat; 1309 int i, len; 1310 1311 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1312 rxs = &sc->sc_rxsoft[i]; 1313 1314 TULIP_CDRXSYNC(sc, i, 1315 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1316 1317 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1318 1319 if (rxstat & TDSTAT_OWN) { 1320 /* 1321 * We have processed all of the receive buffers. 1322 */ 1323 break; 1324 } 1325 1326 /* 1327 * Make sure the packet fit in one buffer. This should 1328 * always be the case. But the Lite-On PNIC, rev 33 1329 * has an awful receive engine bug, which may require 1330 * a very icky work-around. 1331 */ 1332 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1333 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1334 printf("%s: incoming packet spilled, resetting\n", 1335 sc->sc_dev.dv_xname); 1336 (void) tlp_init(sc); 1337 return; 1338 } 1339 1340 /* 1341 * If any collisions were seen on the wire, count one. 1342 */ 1343 if (rxstat & TDSTAT_Rx_CS) 1344 ifp->if_collisions++; 1345 1346 /* 1347 * If an error occured, update stats, clear the status 1348 * word, and leave the packet buffer in place. It will 1349 * simply be reused the next time the ring comes around. 1350 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1351 * error. 1352 */ 1353 if (rxstat & TDSTAT_ES && 1354 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1355 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_RE | 1356 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1357 #define PRINTERR(bit, str) \ 1358 if (rxstat & (bit)) \ 1359 printf("%s: receive error: %s\n", \ 1360 sc->sc_dev.dv_xname, str) 1361 ifp->if_ierrors++; 1362 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1363 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1364 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1365 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1366 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1367 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1368 #undef PRINTERR 1369 TULIP_INIT_RXDESC(sc, i); 1370 continue; 1371 } 1372 1373 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1374 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1375 1376 /* 1377 * No errors; receive the packet. Note the Tulip 1378 * includes the CRC with every packet; trim it. 1379 */ 1380 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1381 1382 #ifdef __NO_STRICT_ALIGNMENT 1383 /* 1384 * Allocate a new mbuf cluster. If that fails, we are 1385 * out of memory, and must drop the packet and recycle 1386 * the buffer that's already attached to this descriptor. 1387 */ 1388 m = rxs->rxs_mbuf; 1389 if (tlp_add_rxbuf(sc, i) != 0) { 1390 ifp->if_ierrors++; 1391 TULIP_INIT_RXDESC(sc, i); 1392 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1393 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1394 continue; 1395 } 1396 #else 1397 /* 1398 * The Tulip's receive buffers must be 4-byte aligned. 1399 * But this means that the data after the Ethernet header 1400 * is misaligned. We must allocate a new buffer and 1401 * copy the data, shifted forward 2 bytes. 1402 */ 1403 MGETHDR(m, M_DONTWAIT, MT_DATA); 1404 if (m == NULL) { 1405 dropit: 1406 ifp->if_ierrors++; 1407 TULIP_INIT_RXDESC(sc, i); 1408 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1409 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1410 continue; 1411 } 1412 if (len > (MHLEN - 2)) { 1413 MCLGET(m, M_DONTWAIT); 1414 if ((m->m_flags & M_EXT) == 0) { 1415 m_freem(m); 1416 goto dropit; 1417 } 1418 } 1419 m->m_data += 2; 1420 1421 /* 1422 * Note that we use clusters for incoming frames, so the 1423 * buffer is virtually contiguous. 1424 */ 1425 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1426 1427 /* Allow the receive descriptor to continue using its mbuf. */ 1428 TULIP_INIT_RXDESC(sc, i); 1429 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1430 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1431 #endif /* __NO_STRICT_ALIGNMENT */ 1432 1433 ifp->if_ipackets++; 1434 eh = mtod(m, struct ether_header *); 1435 m->m_pkthdr.rcvif = ifp; 1436 m->m_pkthdr.len = m->m_len = len; 1437 1438 #if NBPFILTER > 0 1439 /* 1440 * Pass this up to any BPF listeners, but only 1441 * pass it up the stack if its for us. 1442 */ 1443 if (ifp->if_bpf) 1444 bpf_mtap(ifp->if_bpf, m); 1445 #endif /* NPBFILTER > 0 */ 1446 1447 /* 1448 * We sometimes have to run the 21140 in Hash-Only 1449 * mode. If we're in that mode, and not in promiscuous 1450 * mode, and we have a unicast packet that isn't for 1451 * us, then drop it. 1452 */ 1453 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1454 (ifp->if_flags & IFF_PROMISC) == 0 && 1455 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1456 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1457 ETHER_ADDR_LEN) != 0) { 1458 m_freem(m); 1459 continue; 1460 } 1461 1462 /* Pass it on. */ 1463 (*ifp->if_input)(ifp, m); 1464 } 1465 1466 /* Update the recieve pointer. */ 1467 sc->sc_rxptr = i; 1468 } 1469 1470 /* 1471 * tlp_txintr: 1472 * 1473 * Helper; handle transmit interrupts. 1474 */ 1475 void 1476 tlp_txintr(sc) 1477 struct tulip_softc *sc; 1478 { 1479 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1480 struct tulip_txsoft *txs; 1481 u_int32_t txstat; 1482 1483 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1484 sc->sc_dev.dv_xname, sc->sc_flags)); 1485 1486 ifp->if_flags &= ~IFF_OACTIVE; 1487 1488 /* 1489 * Go through our Tx list and free mbufs for those 1490 * frames that have been transmitted. 1491 */ 1492 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1493 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1494 txs->txs_ndescs, 1495 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1496 1497 #ifdef TLP_DEBUG 1498 if (ifp->if_flags & IFF_DEBUG) { 1499 int i; 1500 printf(" txsoft %p transmit chain:\n", txs); 1501 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1502 printf(" descriptor %d:\n", i); 1503 printf(" td_status: 0x%08x\n", 1504 le32toh(sc->sc_txdescs[i].td_status)); 1505 printf(" td_ctl: 0x%08x\n", 1506 le32toh(sc->sc_txdescs[i].td_ctl)); 1507 printf(" td_bufaddr1: 0x%08x\n", 1508 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1509 printf(" td_bufaddr2: 0x%08x\n", 1510 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1511 if (i == txs->txs_lastdesc) 1512 break; 1513 } 1514 } 1515 #endif 1516 1517 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1518 if (txstat & TDSTAT_OWN) 1519 break; 1520 1521 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1522 1523 sc->sc_txfree += txs->txs_ndescs; 1524 1525 if (txs->txs_mbuf == NULL) { 1526 /* 1527 * If we didn't have an mbuf, it was the setup 1528 * packet. 1529 */ 1530 #ifdef DIAGNOSTIC 1531 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1532 panic("tlp_txintr: null mbuf, not doing setup"); 1533 #endif 1534 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1535 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1536 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1537 continue; 1538 } 1539 1540 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1541 0, txs->txs_dmamap->dm_mapsize, 1542 BUS_DMASYNC_POSTWRITE); 1543 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1544 m_freem(txs->txs_mbuf); 1545 txs->txs_mbuf = NULL; 1546 1547 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1548 1549 /* 1550 * Check for errors and collisions. 1551 */ 1552 #ifdef TLP_STATS 1553 if (txstat & TDSTAT_Tx_UF) 1554 sc->sc_stats.ts_tx_uf++; 1555 if (txstat & TDSTAT_Tx_TO) 1556 sc->sc_stats.ts_tx_to++; 1557 if (txstat & TDSTAT_Tx_EC) 1558 sc->sc_stats.ts_tx_ec++; 1559 if (txstat & TDSTAT_Tx_LC) 1560 sc->sc_stats.ts_tx_lc++; 1561 #endif 1562 1563 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1564 ifp->if_oerrors++; 1565 1566 if (txstat & TDSTAT_Tx_EC) 1567 ifp->if_collisions += 16; 1568 else 1569 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1570 if (txstat & TDSTAT_Tx_LC) 1571 ifp->if_collisions++; 1572 1573 ifp->if_opackets++; 1574 } 1575 1576 /* 1577 * If there are no more pending transmissions, cancel the watchdog 1578 * timer. 1579 */ 1580 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1581 ifp->if_timer = 0; 1582 1583 /* 1584 * If we have a receive filter setup pending, do it now. 1585 */ 1586 if (sc->sc_flags & TULIPF_WANT_SETUP) 1587 (*sc->sc_filter_setup)(sc); 1588 } 1589 1590 #ifdef TLP_STATS 1591 void 1592 tlp_print_stats(sc) 1593 struct tulip_softc *sc; 1594 { 1595 1596 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1597 sc->sc_dev.dv_xname, 1598 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1599 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1600 } 1601 #endif 1602 1603 /* 1604 * tlp_reset: 1605 * 1606 * Perform a soft reset on the Tulip. 1607 */ 1608 void 1609 tlp_reset(sc) 1610 struct tulip_softc *sc; 1611 { 1612 int i; 1613 1614 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1615 1616 /* 1617 * Xircom clone doesn't bring itself out of reset automatically. 1618 * Instead, we have to wait at least 50 PCI cycles, and then 1619 * clear SWR. 1620 */ 1621 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1622 delay(10); 1623 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1624 } 1625 1626 for (i = 0; i < 1000; i++) { 1627 /* 1628 * Wait at least 50 PCI cycles for the reset to 1629 * complete before peeking at the Tulip again. 1630 * 10 uSec is a bit longer than 50 PCI cycles 1631 * (at 33MHz), but it doesn't hurt have the extra 1632 * wait. 1633 */ 1634 delay(10); 1635 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1636 break; 1637 } 1638 1639 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1640 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1641 1642 delay(1000); 1643 1644 /* 1645 * If the board has any GPIO reset sequences to issue, do them now. 1646 */ 1647 if (sc->sc_reset != NULL) 1648 (*sc->sc_reset)(sc); 1649 } 1650 1651 /* 1652 * tlp_init: 1653 * 1654 * Initialize the interface. Must be called at splnet(). 1655 */ 1656 int 1657 tlp_init(sc) 1658 struct tulip_softc *sc; 1659 { 1660 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1661 struct tulip_txsoft *txs; 1662 struct tulip_rxsoft *rxs; 1663 int i, error = 0; 1664 1665 /* 1666 * Cancel any pending I/O. 1667 */ 1668 tlp_stop(sc, 0); 1669 1670 /* 1671 * Initialize `opmode' to 0, and call the pre-init routine, if 1672 * any. This is required because the 2114x and some of the 1673 * clones require that the media-related bits in `opmode' be 1674 * set before performing a soft-reset in order to get internal 1675 * chip pathways are correct. Yay! 1676 */ 1677 sc->sc_opmode = 0; 1678 if (sc->sc_preinit != NULL) 1679 (*sc->sc_preinit)(sc); 1680 1681 /* 1682 * Reset the Tulip to a known state. 1683 */ 1684 tlp_reset(sc); 1685 1686 /* 1687 * Initialize the BUSMODE register. 1688 */ 1689 sc->sc_busmode = BUSMODE_BAR; 1690 switch (sc->sc_chip) { 1691 case TULIP_CHIP_21140: 1692 case TULIP_CHIP_21140A: 1693 case TULIP_CHIP_21142: 1694 case TULIP_CHIP_21143: 1695 case TULIP_CHIP_82C115: 1696 case TULIP_CHIP_MX98725: 1697 /* 1698 * If we're allowed to do so, use Memory Read Line 1699 * and Memory Read Multiple. 1700 * 1701 * XXX Should we use Memory Write and Invalidate? 1702 */ 1703 if (sc->sc_flags & TULIPF_MRL) 1704 sc->sc_busmode |= BUSMODE_RLE; 1705 if (sc->sc_flags & TULIPF_MRM) 1706 sc->sc_busmode |= BUSMODE_RME; 1707 #if 0 1708 if (sc->sc_flags & TULIPF_MWI) 1709 sc->sc_busmode |= BUSMODE_WLE; 1710 #endif 1711 1712 default: 1713 /* Nothing. */ 1714 } 1715 switch (sc->sc_cacheline) { 1716 default: 1717 /* 1718 * Note: We must *always* set these bits; a cache 1719 * alignment of 0 is RESERVED. 1720 */ 1721 case 8: 1722 sc->sc_busmode |= BUSMODE_CAL_8LW; 1723 break; 1724 case 16: 1725 sc->sc_busmode |= BUSMODE_CAL_16LW; 1726 break; 1727 case 32: 1728 sc->sc_busmode |= BUSMODE_CAL_32LW; 1729 break; 1730 } 1731 switch (sc->sc_chip) { 1732 case TULIP_CHIP_82C168: 1733 case TULIP_CHIP_82C169: 1734 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1735 break; 1736 default: 1737 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1738 break; 1739 } 1740 #if BYTE_ORDER == BIG_ENDIAN 1741 /* 1742 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1743 * support them, and even on ones that do, it doesn't 1744 * always work. 1745 */ 1746 #endif 1747 1748 /* 1749 * Some chips have a broken bus interface. 1750 */ 1751 switch (sc->sc_chip) { 1752 case TULIP_CHIP_DM9102: 1753 case TULIP_CHIP_DM9102A: 1754 sc->sc_busmode = 0; 1755 break; 1756 1757 default: 1758 /* Nothing. */ 1759 } 1760 1761 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1762 1763 /* 1764 * Initialize the OPMODE register. We don't write it until 1765 * we're ready to begin the transmit and receive processes. 1766 * 1767 * Media-related OPMODE bits are set in the media callbacks 1768 * for each specific chip/board. 1769 */ 1770 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1771 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1772 1773 /* 1774 * Magical mystery initialization on the Macronix chips. 1775 * The MX98713 uses its own magic value, the rest share 1776 * a common one. 1777 */ 1778 switch (sc->sc_chip) { 1779 case TULIP_CHIP_MX98713: 1780 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1781 break; 1782 1783 case TULIP_CHIP_MX98713A: 1784 case TULIP_CHIP_MX98715: 1785 case TULIP_CHIP_MX98715A: 1786 case TULIP_CHIP_MX98715AEC_X: 1787 case TULIP_CHIP_MX98725: 1788 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1789 break; 1790 1791 default: 1792 /* Nothing. */ 1793 } 1794 1795 /* 1796 * Initialize the transmit descriptor ring. 1797 */ 1798 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1799 for (i = 0; i < TULIP_NTXDESC; i++) { 1800 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1801 sc->sc_txdescs[i].td_bufaddr2 = 1802 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1803 } 1804 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1805 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1806 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1807 sc->sc_txfree = TULIP_NTXDESC; 1808 sc->sc_txnext = 0; 1809 1810 /* 1811 * Initialize the transmit job descriptors. 1812 */ 1813 SIMPLEQ_INIT(&sc->sc_txfreeq); 1814 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1815 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1816 txs = &sc->sc_txsoft[i]; 1817 txs->txs_mbuf = NULL; 1818 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1819 } 1820 1821 /* 1822 * Initialize the receive descriptor and receive job 1823 * descriptor rings. 1824 */ 1825 for (i = 0; i < TULIP_NRXDESC; i++) { 1826 rxs = &sc->sc_rxsoft[i]; 1827 if (rxs->rxs_mbuf == NULL) { 1828 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1829 printf("%s: unable to allocate or map rx " 1830 "buffer %d, error = %d\n", 1831 sc->sc_dev.dv_xname, i, error); 1832 /* 1833 * XXX Should attempt to run with fewer receive 1834 * XXX buffers instead of just failing. 1835 */ 1836 tlp_rxdrain(sc); 1837 goto out; 1838 } 1839 } 1840 } 1841 sc->sc_rxptr = 0; 1842 1843 /* 1844 * Initialize the interrupt mask and enable interrupts. 1845 */ 1846 /* normal interrupts */ 1847 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1848 1849 /* abnormal interrupts */ 1850 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1851 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1852 1853 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1854 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1855 1856 switch (sc->sc_chip) { 1857 case TULIP_CHIP_WB89C840F: 1858 /* 1859 * Clear bits that we don't want that happen to 1860 * overlap or don't exist. 1861 */ 1862 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1863 break; 1864 1865 default: 1866 /* Nothing. */ 1867 } 1868 1869 sc->sc_rxint_mask &= sc->sc_inten; 1870 sc->sc_txint_mask &= sc->sc_inten; 1871 1872 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1873 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1874 1875 /* 1876 * Give the transmit and receive rings to the Tulip. 1877 */ 1878 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1879 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1880 1881 /* 1882 * On chips that do this differently, set the station address. 1883 */ 1884 switch (sc->sc_chip) { 1885 case TULIP_CHIP_WB89C840F: 1886 { 1887 /* XXX Do this with stream writes? */ 1888 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1889 1890 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1891 bus_space_write_1(sc->sc_st, sc->sc_sh, 1892 cpa + i, LLADDR(ifp->if_sadl)[i]); 1893 } 1894 break; 1895 } 1896 1897 case TULIP_CHIP_AL981: 1898 case TULIP_CHIP_AN983: 1899 case TULIP_CHIP_AN985: 1900 { 1901 u_int32_t reg; 1902 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1903 1904 reg = enaddr[0] | 1905 (enaddr[1] << 8) | 1906 (enaddr[2] << 16) | 1907 (enaddr[3] << 24); 1908 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1909 1910 reg = enaddr[4] | 1911 (enaddr[5] << 8); 1912 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1913 } 1914 1915 default: 1916 /* Nothing. */ 1917 } 1918 1919 /* 1920 * Set the receive filter. This will start the transmit and 1921 * receive processes. 1922 */ 1923 (*sc->sc_filter_setup)(sc); 1924 1925 /* 1926 * Set the current media. 1927 */ 1928 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1929 1930 /* 1931 * Start the receive process. 1932 */ 1933 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1934 1935 if (sc->sc_tick != NULL) { 1936 /* Start the one second clock. */ 1937 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1938 } 1939 1940 /* 1941 * Note that the interface is now running. 1942 */ 1943 ifp->if_flags |= IFF_RUNNING; 1944 ifp->if_flags &= ~IFF_OACTIVE; 1945 1946 out: 1947 if (error) 1948 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1949 return (error); 1950 } 1951 1952 /* 1953 * tlp_enable: 1954 * 1955 * Enable the Tulip chip. 1956 */ 1957 int 1958 tlp_enable(sc) 1959 struct tulip_softc *sc; 1960 { 1961 1962 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1963 if ((*sc->sc_enable)(sc) != 0) { 1964 printf("%s: device enable failed\n", 1965 sc->sc_dev.dv_xname); 1966 return (EIO); 1967 } 1968 sc->sc_flags |= TULIPF_ENABLED; 1969 } 1970 return (0); 1971 } 1972 1973 /* 1974 * tlp_disable: 1975 * 1976 * Disable the Tulip chip. 1977 */ 1978 void 1979 tlp_disable(sc) 1980 struct tulip_softc *sc; 1981 { 1982 1983 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1984 (*sc->sc_disable)(sc); 1985 sc->sc_flags &= ~TULIPF_ENABLED; 1986 } 1987 } 1988 1989 /* 1990 * tlp_power: 1991 * 1992 * Power management (suspend/resume) hook. 1993 */ 1994 void 1995 tlp_power(why, arg) 1996 int why; 1997 void *arg; 1998 { 1999 struct tulip_softc *sc = arg; 2000 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2001 int s; 2002 2003 s = splnet(); 2004 if (why != PWR_RESUME) { 2005 tlp_stop(sc, 0); 2006 if (sc->sc_power != NULL) 2007 (*sc->sc_power)(sc, why); 2008 } else if (ifp->if_flags & IFF_UP) { 2009 if (sc->sc_power != NULL) 2010 (*sc->sc_power)(sc, why); 2011 tlp_init(sc); 2012 } 2013 splx(s); 2014 } 2015 2016 /* 2017 * tlp_rxdrain: 2018 * 2019 * Drain the receive queue. 2020 */ 2021 void 2022 tlp_rxdrain(sc) 2023 struct tulip_softc *sc; 2024 { 2025 struct tulip_rxsoft *rxs; 2026 int i; 2027 2028 for (i = 0; i < TULIP_NRXDESC; i++) { 2029 rxs = &sc->sc_rxsoft[i]; 2030 if (rxs->rxs_mbuf != NULL) { 2031 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2032 m_freem(rxs->rxs_mbuf); 2033 rxs->rxs_mbuf = NULL; 2034 } 2035 } 2036 } 2037 2038 /* 2039 * tlp_stop: 2040 * 2041 * Stop transmission on the interface. 2042 */ 2043 void 2044 tlp_stop(sc, drain) 2045 struct tulip_softc *sc; 2046 int drain; 2047 { 2048 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2049 struct tulip_txsoft *txs; 2050 2051 if (sc->sc_tick != NULL) { 2052 /* Stop the one second clock. */ 2053 callout_stop(&sc->sc_tick_callout); 2054 } 2055 2056 if (sc->sc_flags & TULIPF_HAS_MII) { 2057 /* Down the MII. */ 2058 mii_down(&sc->sc_mii); 2059 } 2060 2061 /* Disable interrupts. */ 2062 TULIP_WRITE(sc, CSR_INTEN, 0); 2063 2064 /* Stop the transmit and receive processes. */ 2065 sc->sc_opmode = 0; 2066 TULIP_WRITE(sc, CSR_OPMODE, 0); 2067 TULIP_WRITE(sc, CSR_RXLIST, 0); 2068 TULIP_WRITE(sc, CSR_TXLIST, 0); 2069 2070 /* 2071 * Release any queued transmit buffers. 2072 */ 2073 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2074 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2075 if (txs->txs_mbuf != NULL) { 2076 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2077 m_freem(txs->txs_mbuf); 2078 txs->txs_mbuf = NULL; 2079 } 2080 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2081 } 2082 2083 if (drain) { 2084 /* 2085 * Release the receive buffers. 2086 */ 2087 tlp_rxdrain(sc); 2088 } 2089 2090 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2091 2092 /* 2093 * Mark the interface down and cancel the watchdog timer. 2094 */ 2095 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2096 ifp->if_timer = 0; 2097 } 2098 2099 #define SROM_EMIT(sc, x) \ 2100 do { \ 2101 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2102 delay(2); \ 2103 } while (0) 2104 2105 /* 2106 * tlp_srom_idle: 2107 * 2108 * Put the SROM in idle state. 2109 */ 2110 void 2111 tlp_srom_idle(sc) 2112 struct tulip_softc *sc; 2113 { 2114 u_int32_t miirom; 2115 int i; 2116 2117 miirom = MIIROM_SR; 2118 SROM_EMIT(sc, miirom); 2119 2120 miirom |= MIIROM_RD; 2121 SROM_EMIT(sc, miirom); 2122 2123 miirom |= MIIROM_SROMCS; 2124 SROM_EMIT(sc, miirom); 2125 2126 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2127 2128 /* Strobe the clock 32 times. */ 2129 for (i = 0; i < 32; i++) { 2130 SROM_EMIT(sc, miirom); 2131 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2132 } 2133 2134 SROM_EMIT(sc, miirom); 2135 2136 miirom &= ~MIIROM_SROMCS; 2137 SROM_EMIT(sc, miirom); 2138 2139 SROM_EMIT(sc, 0); 2140 } 2141 2142 /* 2143 * tlp_srom_size: 2144 * 2145 * Determine the number of address bits in the SROM. 2146 */ 2147 int 2148 tlp_srom_size(sc) 2149 struct tulip_softc *sc; 2150 { 2151 u_int32_t miirom; 2152 int x; 2153 2154 /* Select the SROM. */ 2155 miirom = MIIROM_SR; 2156 SROM_EMIT(sc, miirom); 2157 2158 miirom |= MIIROM_RD; 2159 SROM_EMIT(sc, miirom); 2160 2161 /* Send CHIP SELECT for one clock tick. */ 2162 miirom |= MIIROM_SROMCS; 2163 SROM_EMIT(sc, miirom); 2164 2165 /* Shift in the READ opcode. */ 2166 for (x = 3; x > 0; x--) { 2167 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2168 miirom |= MIIROM_SROMDI; 2169 else 2170 miirom &= ~MIIROM_SROMDI; 2171 SROM_EMIT(sc, miirom); 2172 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2173 SROM_EMIT(sc, miirom); 2174 } 2175 2176 /* Shift in address and look for dummy 0 bit. */ 2177 for (x = 1; x <= 12; x++) { 2178 miirom &= ~MIIROM_SROMDI; 2179 SROM_EMIT(sc, miirom); 2180 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2181 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2182 break; 2183 SROM_EMIT(sc, miirom); 2184 } 2185 2186 /* Clear CHIP SELECT. */ 2187 miirom &= ~MIIROM_SROMCS; 2188 SROM_EMIT(sc, miirom); 2189 2190 /* Deselect the SROM. */ 2191 SROM_EMIT(sc, 0); 2192 2193 if (x < 4 || x > 12) { 2194 printf("%s: broken MicroWire interface detected; " 2195 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2196 return (6); 2197 } else { 2198 if (tlp_srom_debug) 2199 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2200 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2201 return (x); 2202 } 2203 } 2204 2205 /* 2206 * tlp_read_srom: 2207 * 2208 * Read the Tulip SROM. 2209 */ 2210 int 2211 tlp_read_srom(sc) 2212 struct tulip_softc *sc; 2213 { 2214 int size; 2215 u_int32_t miirom; 2216 u_int16_t datain; 2217 int i, x; 2218 2219 tlp_srom_idle(sc); 2220 2221 sc->sc_srom_addrbits = tlp_srom_size(sc); 2222 if (sc->sc_srom_addrbits == 0) 2223 return (0); 2224 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2225 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2226 2227 /* Select the SROM. */ 2228 miirom = MIIROM_SR; 2229 SROM_EMIT(sc, miirom); 2230 2231 miirom |= MIIROM_RD; 2232 SROM_EMIT(sc, miirom); 2233 2234 for (i = 0; i < size; i += 2) { 2235 /* Send CHIP SELECT for one clock tick. */ 2236 miirom |= MIIROM_SROMCS; 2237 SROM_EMIT(sc, miirom); 2238 2239 /* Shift in the READ opcode. */ 2240 for (x = 3; x > 0; x--) { 2241 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2242 miirom |= MIIROM_SROMDI; 2243 else 2244 miirom &= ~MIIROM_SROMDI; 2245 SROM_EMIT(sc, miirom); 2246 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2247 SROM_EMIT(sc, miirom); 2248 } 2249 2250 /* Shift in address. */ 2251 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2252 if (i & (1 << x)) 2253 miirom |= MIIROM_SROMDI; 2254 else 2255 miirom &= ~MIIROM_SROMDI; 2256 SROM_EMIT(sc, miirom); 2257 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2258 SROM_EMIT(sc, miirom); 2259 } 2260 2261 /* Shift out data. */ 2262 miirom &= ~MIIROM_SROMDI; 2263 datain = 0; 2264 for (x = 16; x > 0; x--) { 2265 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2266 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2267 datain |= (1 << (x - 1)); 2268 SROM_EMIT(sc, miirom); 2269 } 2270 sc->sc_srom[i] = datain & 0xff; 2271 sc->sc_srom[i + 1] = datain >> 8; 2272 2273 /* Clear CHIP SELECT. */ 2274 miirom &= ~MIIROM_SROMCS; 2275 SROM_EMIT(sc, miirom); 2276 } 2277 2278 /* Deselect the SROM. */ 2279 SROM_EMIT(sc, 0); 2280 2281 /* ...and idle it. */ 2282 tlp_srom_idle(sc); 2283 2284 if (tlp_srom_debug) { 2285 printf("SROM CONTENTS:"); 2286 for (i = 0; i < size; i++) { 2287 if ((i % 8) == 0) 2288 printf("\n\t"); 2289 printf("0x%02x ", sc->sc_srom[i]); 2290 } 2291 printf("\n"); 2292 } 2293 2294 return (1); 2295 } 2296 2297 #undef SROM_EMIT 2298 2299 /* 2300 * tlp_add_rxbuf: 2301 * 2302 * Add a receive buffer to the indicated descriptor. 2303 */ 2304 int 2305 tlp_add_rxbuf(sc, idx) 2306 struct tulip_softc *sc; 2307 int idx; 2308 { 2309 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2310 struct mbuf *m; 2311 int error; 2312 2313 MGETHDR(m, M_DONTWAIT, MT_DATA); 2314 if (m == NULL) 2315 return (ENOBUFS); 2316 2317 MCLGET(m, M_DONTWAIT); 2318 if ((m->m_flags & M_EXT) == 0) { 2319 m_freem(m); 2320 return (ENOBUFS); 2321 } 2322 2323 if (rxs->rxs_mbuf != NULL) 2324 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2325 2326 rxs->rxs_mbuf = m; 2327 2328 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2329 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2330 if (error) { 2331 printf("%s: can't load rx DMA map %d, error = %d\n", 2332 sc->sc_dev.dv_xname, idx, error); 2333 panic("tlp_add_rxbuf"); /* XXX */ 2334 } 2335 2336 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2337 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2338 2339 TULIP_INIT_RXDESC(sc, idx); 2340 2341 return (0); 2342 } 2343 2344 /* 2345 * tlp_srom_crcok: 2346 * 2347 * Check the CRC of the Tulip SROM. 2348 */ 2349 int 2350 tlp_srom_crcok(romdata) 2351 const u_int8_t *romdata; 2352 { 2353 u_int32_t crc; 2354 2355 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2356 crc = (crc & 0xffff) ^ 0xffff; 2357 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2358 return (1); 2359 2360 /* 2361 * Try an alternate checksum. 2362 */ 2363 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2364 crc = (crc & 0xffff) ^ 0xffff; 2365 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2366 return (1); 2367 2368 return (0); 2369 } 2370 2371 /* 2372 * tlp_isv_srom: 2373 * 2374 * Check to see if the SROM is in the new standardized format. 2375 */ 2376 int 2377 tlp_isv_srom(romdata) 2378 const u_int8_t *romdata; 2379 { 2380 int i; 2381 u_int16_t cksum; 2382 2383 if (tlp_srom_crcok(romdata)) { 2384 /* 2385 * SROM CRC checks out; must be in the new format. 2386 */ 2387 return (1); 2388 } 2389 2390 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2391 if (cksum == 0xffff || cksum == 0) { 2392 /* 2393 * No checksum present. Check the SROM ID; 18 bytes of 0 2394 * followed by 1 (version) followed by the number of 2395 * adapters which use this SROM (should be non-zero). 2396 */ 2397 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2398 if (romdata[i] != 0) 2399 return (0); 2400 } 2401 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2402 return (0); 2403 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2404 return (0); 2405 return (1); 2406 } 2407 2408 return (0); 2409 } 2410 2411 /* 2412 * tlp_isv_srom_enaddr: 2413 * 2414 * Get the Ethernet address from an ISV SROM. 2415 */ 2416 int 2417 tlp_isv_srom_enaddr(sc, enaddr) 2418 struct tulip_softc *sc; 2419 u_int8_t *enaddr; 2420 { 2421 int i, devcnt; 2422 2423 if (tlp_isv_srom(sc->sc_srom) == 0) 2424 return (0); 2425 2426 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2427 for (i = 0; i < devcnt; i++) { 2428 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2429 break; 2430 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2431 sc->sc_devno) 2432 break; 2433 } 2434 2435 if (i == devcnt) 2436 return (0); 2437 2438 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2439 ETHER_ADDR_LEN); 2440 enaddr[5] += i; 2441 2442 return (1); 2443 } 2444 2445 /* 2446 * tlp_parse_old_srom: 2447 * 2448 * Parse old-format SROMs. 2449 * 2450 * This routine is largely lifted from Matt Thomas's `de' driver. 2451 */ 2452 int 2453 tlp_parse_old_srom(sc, enaddr) 2454 struct tulip_softc *sc; 2455 u_int8_t *enaddr; 2456 { 2457 static const u_int8_t testpat[] = 2458 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2459 int i; 2460 u_int32_t cksum; 2461 2462 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2463 /* 2464 * Some vendors (e.g. ZNYX) don't use the standard 2465 * DEC Address ROM format, but rather just have an 2466 * Ethernet address in the first 6 bytes, maybe a 2467 * 2 byte checksum, and then all 0xff's. 2468 * 2469 * On the other hand, Cobalt Networks interfaces 2470 * simply have the address in the first six bytes 2471 * with the rest zeroed out. 2472 */ 2473 for (i = 8; i < 32; i++) { 2474 if (sc->sc_srom[i] != 0xff && 2475 sc->sc_srom[i] != 0) 2476 return (0); 2477 } 2478 2479 /* 2480 * Sanity check the Ethernet address: 2481 * 2482 * - Make sure it's not multicast or locally 2483 * assigned 2484 * - Make sure it has a non-0 OUI 2485 */ 2486 if (sc->sc_srom[0] & 3) 2487 return (0); 2488 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2489 sc->sc_srom[2] == 0) 2490 return (0); 2491 2492 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2493 return (1); 2494 } 2495 2496 /* 2497 * Standard DEC Address ROM test. 2498 */ 2499 2500 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2501 return (0); 2502 2503 for (i = 0; i < 8; i++) { 2504 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2505 return (0); 2506 } 2507 2508 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2509 2510 cksum = *(u_int16_t *) &enaddr[0]; 2511 2512 cksum <<= 1; 2513 if (cksum > 0xffff) 2514 cksum -= 0xffff; 2515 2516 cksum += *(u_int16_t *) &enaddr[2]; 2517 if (cksum > 0xffff) 2518 cksum -= 0xffff; 2519 2520 cksum <<= 1; 2521 if (cksum > 0xffff) 2522 cksum -= 0xffff; 2523 2524 cksum += *(u_int16_t *) &enaddr[4]; 2525 if (cksum >= 0xffff) 2526 cksum -= 0xffff; 2527 2528 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2529 return (0); 2530 2531 return (1); 2532 } 2533 2534 /* 2535 * tlp_filter_setup: 2536 * 2537 * Set the Tulip's receive filter. 2538 */ 2539 void 2540 tlp_filter_setup(sc) 2541 struct tulip_softc *sc; 2542 { 2543 struct ethercom *ec = &sc->sc_ethercom; 2544 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2545 struct ether_multi *enm; 2546 struct ether_multistep step; 2547 __volatile u_int32_t *sp; 2548 struct tulip_txsoft *txs; 2549 u_int8_t enaddr[ETHER_ADDR_LEN]; 2550 u_int32_t hash, hashsize; 2551 int cnt; 2552 2553 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2554 sc->sc_dev.dv_xname, sc->sc_flags)); 2555 2556 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2557 2558 /* 2559 * If there are transmissions pending, wait until they have 2560 * completed. 2561 */ 2562 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2563 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2564 sc->sc_flags |= TULIPF_WANT_SETUP; 2565 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2566 sc->sc_dev.dv_xname)); 2567 return; 2568 } 2569 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2570 2571 switch (sc->sc_chip) { 2572 case TULIP_CHIP_82C115: 2573 hashsize = TULIP_PNICII_HASHSIZE; 2574 break; 2575 2576 default: 2577 hashsize = TULIP_MCHASHSIZE; 2578 } 2579 2580 /* 2581 * If we're running, idle the transmit and receive engines. If 2582 * we're NOT running, we're being called from tlp_init(), and our 2583 * writing OPMODE will start the transmit and receive processes 2584 * in motion. 2585 */ 2586 if (ifp->if_flags & IFF_RUNNING) 2587 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2588 2589 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2590 2591 if (ifp->if_flags & IFF_PROMISC) { 2592 sc->sc_opmode |= OPMODE_PR; 2593 goto allmulti; 2594 } 2595 2596 /* 2597 * Try Perfect filtering first. 2598 */ 2599 2600 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2601 sp = TULIP_CDSP(sc); 2602 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2603 cnt = 0; 2604 ETHER_FIRST_MULTI(step, ec, enm); 2605 while (enm != NULL) { 2606 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2607 /* 2608 * We must listen to a range of multicast addresses. 2609 * For now, just accept all multicasts, rather than 2610 * trying to set only those filter bits needed to match 2611 * the range. (At this time, the only use of address 2612 * ranges is for IP multicast routing, for which the 2613 * range is big enough to require all bits set.) 2614 */ 2615 goto allmulti; 2616 } 2617 if (cnt == (TULIP_MAXADDRS - 2)) { 2618 /* 2619 * We already have our multicast limit (still need 2620 * our station address and broadcast). Go to 2621 * Hash-Perfect mode. 2622 */ 2623 goto hashperfect; 2624 } 2625 cnt++; 2626 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2627 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2628 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2629 ETHER_NEXT_MULTI(step, enm); 2630 } 2631 2632 if (ifp->if_flags & IFF_BROADCAST) { 2633 /* ...and the broadcast address. */ 2634 cnt++; 2635 *sp++ = TULIP_SP_FIELD_C(0xffff); 2636 *sp++ = TULIP_SP_FIELD_C(0xffff); 2637 *sp++ = TULIP_SP_FIELD_C(0xffff); 2638 } 2639 2640 /* Pad the rest with our station address. */ 2641 for (; cnt < TULIP_MAXADDRS; cnt++) { 2642 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2643 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2644 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2645 } 2646 ifp->if_flags &= ~IFF_ALLMULTI; 2647 goto setit; 2648 2649 hashperfect: 2650 /* 2651 * Try Hash-Perfect mode. 2652 */ 2653 2654 /* 2655 * Some 21140 chips have broken Hash-Perfect modes. On these 2656 * chips, we simply use Hash-Only mode, and put our station 2657 * address into the filter. 2658 */ 2659 if (sc->sc_chip == TULIP_CHIP_21140) 2660 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2661 else 2662 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2663 sp = TULIP_CDSP(sc); 2664 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2665 ETHER_FIRST_MULTI(step, ec, enm); 2666 while (enm != NULL) { 2667 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2668 /* 2669 * We must listen to a range of multicast addresses. 2670 * For now, just accept all multicasts, rather than 2671 * trying to set only those filter bits needed to match 2672 * the range. (At this time, the only use of address 2673 * ranges is for IP multicast routing, for which the 2674 * range is big enough to require all bits set.) 2675 */ 2676 goto allmulti; 2677 } 2678 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2679 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2680 ETHER_NEXT_MULTI(step, enm); 2681 } 2682 2683 if (ifp->if_flags & IFF_BROADCAST) { 2684 /* ...and the broadcast address. */ 2685 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2686 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2687 } 2688 2689 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2690 /* ...and our station address. */ 2691 hash = tlp_mchash(enaddr, hashsize); 2692 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2693 } else { 2694 /* 2695 * Hash-Perfect mode; put our station address after 2696 * the hash table. 2697 */ 2698 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2699 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2700 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2701 } 2702 ifp->if_flags &= ~IFF_ALLMULTI; 2703 goto setit; 2704 2705 allmulti: 2706 /* 2707 * Use Perfect filter mode. First address is the broadcast address, 2708 * and pad the rest with our station address. We'll set Pass-all- 2709 * multicast in OPMODE below. 2710 */ 2711 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2712 sp = TULIP_CDSP(sc); 2713 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2714 cnt = 0; 2715 if (ifp->if_flags & IFF_BROADCAST) { 2716 cnt++; 2717 *sp++ = TULIP_SP_FIELD_C(0xffff); 2718 *sp++ = TULIP_SP_FIELD_C(0xffff); 2719 *sp++ = TULIP_SP_FIELD_C(0xffff); 2720 } 2721 for (; cnt < TULIP_MAXADDRS; cnt++) { 2722 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2723 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2724 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2725 } 2726 ifp->if_flags |= IFF_ALLMULTI; 2727 2728 setit: 2729 if (ifp->if_flags & IFF_ALLMULTI) 2730 sc->sc_opmode |= OPMODE_PM; 2731 2732 /* Sync the setup packet buffer. */ 2733 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2734 2735 /* 2736 * Fill in the setup packet descriptor. 2737 */ 2738 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2739 2740 txs->txs_firstdesc = sc->sc_txnext; 2741 txs->txs_lastdesc = sc->sc_txnext; 2742 txs->txs_ndescs = 1; 2743 txs->txs_mbuf = NULL; 2744 2745 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2746 htole32(TULIP_CDSPADDR(sc)); 2747 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2748 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2749 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2750 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2751 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2752 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2753 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2754 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2755 2756 /* Advance the tx pointer. */ 2757 sc->sc_txfree -= 1; 2758 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2759 2760 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2761 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2762 2763 /* 2764 * Set the OPMODE register. This will also resume the 2765 * transmit transmit process we idled above. 2766 */ 2767 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2768 2769 sc->sc_flags |= TULIPF_DOING_SETUP; 2770 2771 /* 2772 * Kick the transmitter; this will cause the Tulip to 2773 * read the setup descriptor. 2774 */ 2775 /* XXX USE AUTOPOLLING? */ 2776 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2777 2778 /* Set up a watchdog timer in case the chip flakes out. */ 2779 ifp->if_timer = 5; 2780 2781 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2782 } 2783 2784 /* 2785 * tlp_winb_filter_setup: 2786 * 2787 * Set the Winbond 89C840F's receive filter. 2788 */ 2789 void 2790 tlp_winb_filter_setup(sc) 2791 struct tulip_softc *sc; 2792 { 2793 struct ethercom *ec = &sc->sc_ethercom; 2794 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2795 struct ether_multi *enm; 2796 struct ether_multistep step; 2797 u_int32_t hash, mchash[2]; 2798 2799 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2800 sc->sc_dev.dv_xname, sc->sc_flags)); 2801 2802 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2803 2804 if (ifp->if_flags & IFF_MULTICAST) 2805 sc->sc_opmode |= OPMODE_WINB_AMP; 2806 2807 if (ifp->if_flags & IFF_BROADCAST) 2808 sc->sc_opmode |= OPMODE_WINB_ABP; 2809 2810 if (ifp->if_flags & IFF_PROMISC) { 2811 sc->sc_opmode |= OPMODE_WINB_APP; 2812 goto allmulti; 2813 } 2814 2815 mchash[0] = mchash[1] = 0; 2816 2817 ETHER_FIRST_MULTI(step, ec, enm); 2818 while (enm != NULL) { 2819 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2820 /* 2821 * We must listen to a range of multicast addresses. 2822 * For now, just accept all multicasts, rather than 2823 * trying to set only those filter bits needed to match 2824 * the range. (At this time, the only use of address 2825 * ranges is for IP multicast routing, for which the 2826 * range is big enough to require all bits set.) 2827 */ 2828 goto allmulti; 2829 } 2830 2831 /* 2832 * According to the FreeBSD `wb' driver, yes, you 2833 * really do invert the hash. 2834 */ 2835 hash = 2836 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2837 & 0x3f; 2838 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2839 ETHER_NEXT_MULTI(step, enm); 2840 } 2841 ifp->if_flags &= ~IFF_ALLMULTI; 2842 goto setit; 2843 2844 allmulti: 2845 ifp->if_flags |= IFF_ALLMULTI; 2846 mchash[0] = mchash[1] = 0xffffffff; 2847 2848 setit: 2849 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2850 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2851 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2852 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2853 sc->sc_dev.dv_xname)); 2854 } 2855 2856 /* 2857 * tlp_al981_filter_setup: 2858 * 2859 * Set the ADMtek AL981's receive filter. 2860 */ 2861 void 2862 tlp_al981_filter_setup(sc) 2863 struct tulip_softc *sc; 2864 { 2865 struct ethercom *ec = &sc->sc_ethercom; 2866 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2867 struct ether_multi *enm; 2868 struct ether_multistep step; 2869 u_int32_t hash, mchash[2]; 2870 2871 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2872 sc->sc_dev.dv_xname, sc->sc_flags)); 2873 2874 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2875 2876 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2877 2878 if (ifp->if_flags & IFF_PROMISC) { 2879 sc->sc_opmode |= OPMODE_PR; 2880 goto allmulti; 2881 } 2882 2883 mchash[0] = mchash[1] = 0; 2884 2885 ETHER_FIRST_MULTI(step, ec, enm); 2886 while (enm != NULL) { 2887 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2888 /* 2889 * We must listen to a range of multicast addresses. 2890 * For now, just accept all multicasts, rather than 2891 * trying to set only those filter bits needed to match 2892 * the range. (At this time, the only use of address 2893 * ranges is for IP multicast routing, for which the 2894 * range is big enough to require all bits set.) 2895 */ 2896 goto allmulti; 2897 } 2898 2899 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2900 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2901 ETHER_NEXT_MULTI(step, enm); 2902 } 2903 ifp->if_flags &= ~IFF_ALLMULTI; 2904 goto setit; 2905 2906 allmulti: 2907 ifp->if_flags |= IFF_ALLMULTI; 2908 mchash[0] = mchash[1] = 0xffffffff; 2909 2910 setit: 2911 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2912 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2913 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2914 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2915 sc->sc_dev.dv_xname)); 2916 } 2917 2918 /* 2919 * tlp_idle: 2920 * 2921 * Cause the transmit and/or receive processes to go idle. 2922 */ 2923 void 2924 tlp_idle(sc, bits) 2925 struct tulip_softc *sc; 2926 u_int32_t bits; 2927 { 2928 static const char *tlp_tx_state_names[] = { 2929 "STOPPED", 2930 "RUNNING - FETCH", 2931 "RUNNING - WAIT", 2932 "RUNNING - READING", 2933 "-- RESERVED --", 2934 "RUNNING - SETUP", 2935 "SUSPENDED", 2936 "RUNNING - CLOSE", 2937 }; 2938 static const char *tlp_rx_state_names[] = { 2939 "STOPPED", 2940 "RUNNING - FETCH", 2941 "RUNNING - CHECK", 2942 "RUNNING - WAIT", 2943 "SUSPENDED", 2944 "RUNNING - CLOSE", 2945 "RUNNING - FLUSH", 2946 "RUNNING - QUEUE", 2947 }; 2948 static const char *dm9102_tx_state_names[] = { 2949 "STOPPED", 2950 "RUNNING - FETCH", 2951 "RUNNING - SETUP", 2952 "RUNNING - READING", 2953 "RUNNING - CLOSE - CLEAR OWNER", 2954 "RUNNING - WAIT", 2955 "RUNNING - CLOSE - WRITE STATUS", 2956 "SUSPENDED", 2957 }; 2958 static const char *dm9102_rx_state_names[] = { 2959 "STOPPED", 2960 "RUNNING - FETCH", 2961 "RUNNING - WAIT", 2962 "RUNNING - QUEUE", 2963 "RUNNING - CLOSE - CLEAR OWNER", 2964 "RUNNING - CLOSE - WRITE STATUS", 2965 "SUSPENDED", 2966 "RUNNING - FLUSH", 2967 }; 2968 2969 const char **tx_state_names, **rx_state_names; 2970 u_int32_t csr, ackmask = 0; 2971 int i; 2972 2973 switch (sc->sc_chip) { 2974 case TULIP_CHIP_DM9102: 2975 case TULIP_CHIP_DM9102A: 2976 tx_state_names = dm9102_tx_state_names; 2977 rx_state_names = dm9102_rx_state_names; 2978 break; 2979 2980 default: 2981 tx_state_names = tlp_tx_state_names; 2982 rx_state_names = tlp_rx_state_names; 2983 break; 2984 } 2985 2986 if (bits & OPMODE_ST) 2987 ackmask |= STATUS_TPS; 2988 2989 if (bits & OPMODE_SR) 2990 ackmask |= STATUS_RPS; 2991 2992 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2993 2994 for (i = 0; i < 1000; i++) { 2995 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2996 break; 2997 delay(10); 2998 } 2999 3000 csr = TULIP_READ(sc, CSR_STATUS); 3001 if ((csr & ackmask) != ackmask) { 3002 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3003 (csr & STATUS_TS) != STATUS_TS_STOPPED) 3004 printf("%s: transmit process failed to idle: " 3005 "state %s\n", sc->sc_dev.dv_xname, 3006 tx_state_names[(csr & STATUS_TS) >> 20]); 3007 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3008 (csr & STATUS_RS) != STATUS_RS_STOPPED) 3009 printf("%s: receive process failed to idle: " 3010 "state %s\n", sc->sc_dev.dv_xname, 3011 rx_state_names[(csr & STATUS_RS) >> 17]); 3012 } 3013 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3014 } 3015 3016 /***************************************************************************** 3017 * Generic media support functions. 3018 *****************************************************************************/ 3019 3020 /* 3021 * tlp_mediastatus: [ifmedia interface function] 3022 * 3023 * Query the current media. 3024 */ 3025 void 3026 tlp_mediastatus(ifp, ifmr) 3027 struct ifnet *ifp; 3028 struct ifmediareq *ifmr; 3029 { 3030 struct tulip_softc *sc = ifp->if_softc; 3031 3032 if (TULIP_IS_ENABLED(sc) == 0) { 3033 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3034 ifmr->ifm_status = 0; 3035 return; 3036 } 3037 3038 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3039 } 3040 3041 /* 3042 * tlp_mediachange: [ifmedia interface function] 3043 * 3044 * Update the current media. 3045 */ 3046 int 3047 tlp_mediachange(ifp) 3048 struct ifnet *ifp; 3049 { 3050 struct tulip_softc *sc = ifp->if_softc; 3051 3052 if ((ifp->if_flags & IFF_UP) == 0) 3053 return (0); 3054 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3055 } 3056 3057 /***************************************************************************** 3058 * Support functions for MII-attached media. 3059 *****************************************************************************/ 3060 3061 /* 3062 * tlp_mii_tick: 3063 * 3064 * One second timer, used to tick the MII. 3065 */ 3066 void 3067 tlp_mii_tick(arg) 3068 void *arg; 3069 { 3070 struct tulip_softc *sc = arg; 3071 int s; 3072 3073 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3074 return; 3075 3076 s = splnet(); 3077 mii_tick(&sc->sc_mii); 3078 splx(s); 3079 3080 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3081 } 3082 3083 /* 3084 * tlp_mii_statchg: [mii interface function] 3085 * 3086 * Callback from PHY when media changes. 3087 */ 3088 void 3089 tlp_mii_statchg(self) 3090 struct device *self; 3091 { 3092 struct tulip_softc *sc = (struct tulip_softc *)self; 3093 3094 /* Idle the transmit and receive processes. */ 3095 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3096 3097 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3098 3099 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3100 sc->sc_opmode |= OPMODE_TTM; 3101 else 3102 sc->sc_opmode |= OPMODE_HBD; 3103 3104 if (sc->sc_mii.mii_media_active & IFM_FDX) 3105 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3106 3107 /* 3108 * Write new OPMODE bits. This also restarts the transmit 3109 * and receive processes. 3110 */ 3111 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3112 } 3113 3114 /* 3115 * tlp_winb_mii_statchg: [mii interface function] 3116 * 3117 * Callback from PHY when media changes. This version is 3118 * for the Winbond 89C840F, which has different OPMODE bits. 3119 */ 3120 void 3121 tlp_winb_mii_statchg(self) 3122 struct device *self; 3123 { 3124 struct tulip_softc *sc = (struct tulip_softc *)self; 3125 3126 /* Idle the transmit and receive processes. */ 3127 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3128 3129 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3130 3131 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3132 sc->sc_opmode |= OPMODE_WINB_FES; 3133 3134 if (sc->sc_mii.mii_media_active & IFM_FDX) 3135 sc->sc_opmode |= OPMODE_FD; 3136 3137 /* 3138 * Write new OPMODE bits. This also restarts the transmit 3139 * and receive processes. 3140 */ 3141 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3142 } 3143 3144 /* 3145 * tlp_dm9102_mii_statchg: [mii interface function] 3146 * 3147 * Callback from PHY when media changes. This version is 3148 * for the DM9102. 3149 */ 3150 void 3151 tlp_dm9102_mii_statchg(self) 3152 struct device *self; 3153 { 3154 struct tulip_softc *sc = (struct tulip_softc *)self; 3155 3156 /* 3157 * Don't idle the transmit and receive processes, here. It 3158 * seems to fail, and just causes excess noise. 3159 */ 3160 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3161 3162 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3163 sc->sc_opmode |= OPMODE_TTM; 3164 3165 if (sc->sc_mii.mii_media_active & IFM_FDX) 3166 sc->sc_opmode |= OPMODE_FD; 3167 3168 /* 3169 * Write new OPMODE bits. 3170 */ 3171 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3172 } 3173 3174 /* 3175 * tlp_mii_getmedia: 3176 * 3177 * Callback from ifmedia to request current media status. 3178 */ 3179 void 3180 tlp_mii_getmedia(sc, ifmr) 3181 struct tulip_softc *sc; 3182 struct ifmediareq *ifmr; 3183 { 3184 3185 mii_pollstat(&sc->sc_mii); 3186 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3187 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3188 } 3189 3190 /* 3191 * tlp_mii_setmedia: 3192 * 3193 * Callback from ifmedia to request new media setting. 3194 */ 3195 int 3196 tlp_mii_setmedia(sc) 3197 struct tulip_softc *sc; 3198 { 3199 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3200 3201 if (ifp->if_flags & IFF_UP) { 3202 switch (sc->sc_chip) { 3203 case TULIP_CHIP_21142: 3204 case TULIP_CHIP_21143: 3205 /* Disable the internal Nway engine. */ 3206 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3207 break; 3208 3209 default: 3210 /* Nothing. */ 3211 } 3212 mii_mediachg(&sc->sc_mii); 3213 } 3214 return (0); 3215 } 3216 3217 /* 3218 * tlp_bitbang_mii_readreg: 3219 * 3220 * Read a PHY register via bit-bang'ing the MII. 3221 */ 3222 int 3223 tlp_bitbang_mii_readreg(self, phy, reg) 3224 struct device *self; 3225 int phy, reg; 3226 { 3227 struct tulip_softc *sc = (void *) self; 3228 3229 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3230 } 3231 3232 /* 3233 * tlp_bitbang_mii_writereg: 3234 * 3235 * Write a PHY register via bit-bang'ing the MII. 3236 */ 3237 void 3238 tlp_bitbang_mii_writereg(self, phy, reg, val) 3239 struct device *self; 3240 int phy, reg, val; 3241 { 3242 struct tulip_softc *sc = (void *) self; 3243 3244 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3245 } 3246 3247 /* 3248 * tlp_sio_mii_bitbang_read: 3249 * 3250 * Read the MII serial port for the MII bit-bang module. 3251 */ 3252 u_int32_t 3253 tlp_sio_mii_bitbang_read(self) 3254 struct device *self; 3255 { 3256 struct tulip_softc *sc = (void *) self; 3257 3258 return (TULIP_READ(sc, CSR_MIIROM)); 3259 } 3260 3261 /* 3262 * tlp_sio_mii_bitbang_write: 3263 * 3264 * Write the MII serial port for the MII bit-bang module. 3265 */ 3266 void 3267 tlp_sio_mii_bitbang_write(self, val) 3268 struct device *self; 3269 u_int32_t val; 3270 { 3271 struct tulip_softc *sc = (void *) self; 3272 3273 TULIP_WRITE(sc, CSR_MIIROM, val); 3274 } 3275 3276 /* 3277 * tlp_pnic_mii_readreg: 3278 * 3279 * Read a PHY register on the Lite-On PNIC. 3280 */ 3281 int 3282 tlp_pnic_mii_readreg(self, phy, reg) 3283 struct device *self; 3284 int phy, reg; 3285 { 3286 struct tulip_softc *sc = (void *) self; 3287 u_int32_t val; 3288 int i; 3289 3290 TULIP_WRITE(sc, CSR_PNIC_MII, 3291 PNIC_MII_MBO | PNIC_MII_RESERVED | 3292 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3293 (reg << PNIC_MII_REGSHIFT)); 3294 3295 for (i = 0; i < 1000; i++) { 3296 delay(10); 3297 val = TULIP_READ(sc, CSR_PNIC_MII); 3298 if ((val & PNIC_MII_BUSY) == 0) { 3299 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3300 return (0); 3301 else 3302 return (val & PNIC_MII_DATA); 3303 } 3304 } 3305 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3306 return (0); 3307 } 3308 3309 /* 3310 * tlp_pnic_mii_writereg: 3311 * 3312 * Write a PHY register on the Lite-On PNIC. 3313 */ 3314 void 3315 tlp_pnic_mii_writereg(self, phy, reg, val) 3316 struct device *self; 3317 int phy, reg, val; 3318 { 3319 struct tulip_softc *sc = (void *) self; 3320 int i; 3321 3322 TULIP_WRITE(sc, CSR_PNIC_MII, 3323 PNIC_MII_MBO | PNIC_MII_RESERVED | 3324 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3325 (reg << PNIC_MII_REGSHIFT) | val); 3326 3327 for (i = 0; i < 1000; i++) { 3328 delay(10); 3329 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3330 return; 3331 } 3332 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3333 } 3334 3335 const bus_addr_t tlp_al981_phy_regmap[] = { 3336 CSR_ADM_BMCR, 3337 CSR_ADM_BMSR, 3338 CSR_ADM_PHYIDR1, 3339 CSR_ADM_PHYIDR2, 3340 CSR_ADM_ANAR, 3341 CSR_ADM_ANLPAR, 3342 CSR_ADM_ANER, 3343 3344 CSR_ADM_XMC, 3345 CSR_ADM_XCIIS, 3346 CSR_ADM_XIE, 3347 CSR_ADM_100CTR, 3348 }; 3349 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3350 sizeof(tlp_al981_phy_regmap[0]); 3351 3352 /* 3353 * tlp_al981_mii_readreg: 3354 * 3355 * Read a PHY register on the ADMtek AL981. 3356 */ 3357 int 3358 tlp_al981_mii_readreg(self, phy, reg) 3359 struct device *self; 3360 int phy, reg; 3361 { 3362 struct tulip_softc *sc = (struct tulip_softc *)self; 3363 3364 /* AL981 only has an internal PHY. */ 3365 if (phy != 0) 3366 return (0); 3367 3368 if (reg >= tlp_al981_phy_regmap_size) 3369 return (0); 3370 3371 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3372 tlp_al981_phy_regmap[reg]) & 0xffff); 3373 } 3374 3375 /* 3376 * tlp_al981_mii_writereg: 3377 * 3378 * Write a PHY register on the ADMtek AL981. 3379 */ 3380 void 3381 tlp_al981_mii_writereg(self, phy, reg, val) 3382 struct device *self; 3383 int phy, reg, val; 3384 { 3385 struct tulip_softc *sc = (struct tulip_softc *)self; 3386 3387 /* AL981 only has an internal PHY. */ 3388 if (phy != 0) 3389 return; 3390 3391 if (reg >= tlp_al981_phy_regmap_size) 3392 return; 3393 3394 bus_space_write_4(sc->sc_st, sc->sc_sh, 3395 tlp_al981_phy_regmap[reg], val); 3396 } 3397 3398 /***************************************************************************** 3399 * Chip-specific pre-init and reset functions. 3400 *****************************************************************************/ 3401 3402 /* 3403 * tlp_2114x_preinit: 3404 * 3405 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3406 */ 3407 void 3408 tlp_2114x_preinit(sc) 3409 struct tulip_softc *sc; 3410 { 3411 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3412 struct tulip_21x4x_media *tm = ife->ifm_aux; 3413 3414 /* 3415 * Whether or not we're in MII or SIA/SYM mode, the media info 3416 * contains the appropriate OPMODE bits. 3417 * 3418 * Note that if we have no media info, we are are doing 3419 * non-MII `auto'. 3420 * 3421 * Also, we always set the Must-Be-One bit. 3422 */ 3423 if (tm == NULL) { 3424 #ifdef DIAGNOSTIC 3425 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3426 panic("tlp_2114x_preinit: not IFM_AUTO"); 3427 if (sc->sc_nway_active == NULL) 3428 panic("tlp_2114x_preinit: nway_active NULL"); 3429 #endif 3430 tm = sc->sc_nway_active->ifm_aux; 3431 } 3432 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3433 3434 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3435 } 3436 3437 /* 3438 * tlp_2114x_mii_preinit: 3439 * 3440 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3441 * This version is used by boards which only have MII and don't have 3442 * an ISV SROM. 3443 */ 3444 void 3445 tlp_2114x_mii_preinit(sc) 3446 struct tulip_softc *sc; 3447 { 3448 3449 /* 3450 * Always set the Must-Be-One bit, and Port Select (to select MII). 3451 * We'll never be called during a media change. 3452 */ 3453 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3454 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3455 } 3456 3457 /* 3458 * tlp_pnic_preinit: 3459 * 3460 * Pre-init function for the Lite-On 82c168 and 82c169. 3461 */ 3462 void 3463 tlp_pnic_preinit(sc) 3464 struct tulip_softc *sc; 3465 { 3466 3467 if (sc->sc_flags & TULIPF_HAS_MII) { 3468 /* 3469 * MII case: just set the port-select bit; we will never 3470 * be called during a media change. 3471 */ 3472 sc->sc_opmode |= OPMODE_PS; 3473 } else { 3474 /* 3475 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3476 */ 3477 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3478 } 3479 } 3480 3481 /* 3482 * tlp_dm9102_preinit: 3483 * 3484 * Pre-init function for the Davicom DM9102. 3485 */ 3486 void 3487 tlp_dm9102_preinit(sc) 3488 struct tulip_softc *sc; 3489 { 3490 3491 switch (sc->sc_chip) { 3492 case TULIP_CHIP_DM9102: 3493 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3494 break; 3495 3496 case TULIP_CHIP_DM9102A: 3497 /* 3498 * XXX Figure out how to actually deal with the HomePNA 3499 * XXX portion of the DM9102A. 3500 */ 3501 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3502 break; 3503 3504 default: 3505 /* Nothing. */ 3506 } 3507 3508 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3509 } 3510 3511 /* 3512 * tlp_21140_reset: 3513 * 3514 * Issue a reset sequence on the 21140 via the GPIO facility. 3515 */ 3516 void 3517 tlp_21140_reset(sc) 3518 struct tulip_softc *sc; 3519 { 3520 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3521 struct tulip_21x4x_media *tm = ife->ifm_aux; 3522 int i; 3523 3524 /* First, set the direction on the GPIO pins. */ 3525 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3526 3527 /* Now, issue the reset sequence. */ 3528 for (i = 0; i < tm->tm_reset_length; i++) { 3529 delay(10); 3530 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3531 } 3532 3533 /* Now, issue the selection sequence. */ 3534 for (i = 0; i < tm->tm_gp_length; i++) { 3535 delay(10); 3536 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3537 } 3538 3539 /* If there were no sequences, just lower the pins. */ 3540 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3541 TULIP_WRITE(sc, CSR_GPP, 0); 3542 } 3543 3544 /* 3545 * tlp_21142_reset: 3546 * 3547 * Issue a reset sequence on the 21142 via the GPIO facility. 3548 */ 3549 void 3550 tlp_21142_reset(sc) 3551 struct tulip_softc *sc; 3552 { 3553 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3554 struct tulip_21x4x_media *tm = ife->ifm_aux; 3555 const u_int8_t *ncp; 3556 int i; 3557 3558 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3559 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3560 delay(10); 3561 TULIP_WRITE(sc, CSR_SIAGEN, 3562 TULIP_ROM_GETW(ncp, 0) << 16); 3563 } 3564 3565 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3566 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3567 delay(10); 3568 TULIP_WRITE(sc, CSR_SIAGEN, 3569 TULIP_ROM_GETW(ncp, 0) << 16); 3570 } 3571 3572 /* If there were no sequences, just lower the pins. */ 3573 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3574 delay(10); 3575 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3576 } 3577 } 3578 3579 /* 3580 * tlp_pmac_reset: 3581 * 3582 * Reset routine for Macronix chips. 3583 */ 3584 void 3585 tlp_pmac_reset(sc) 3586 struct tulip_softc *sc; 3587 { 3588 3589 switch (sc->sc_chip) { 3590 case TULIP_CHIP_82C115: 3591 case TULIP_CHIP_MX98715: 3592 case TULIP_CHIP_MX98715A: 3593 case TULIP_CHIP_MX98725: 3594 /* 3595 * Set the LED operating mode. This information is located 3596 * in the EEPROM at byte offset 0x77, per the MX98715A and 3597 * MX98725 application notes. 3598 */ 3599 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3600 break; 3601 case TULIP_CHIP_MX98715AEC_X: 3602 /* 3603 * Set the LED operating mode. This information is located 3604 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3605 * application note. 3606 */ 3607 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3608 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3609 break; 3610 3611 default: 3612 /* Nothing. */ 3613 } 3614 } 3615 3616 /* 3617 * tlp_dm9102_reset: 3618 * 3619 * Reset routine for the Davicom DM9102. 3620 */ 3621 void 3622 tlp_dm9102_reset(sc) 3623 struct tulip_softc *sc; 3624 { 3625 3626 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3627 delay(100); 3628 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3629 } 3630 3631 /***************************************************************************** 3632 * Chip/board-specific media switches. The ones here are ones that 3633 * are potentially common to multiple front-ends. 3634 *****************************************************************************/ 3635 3636 /* 3637 * This table is a common place for all sorts of media information, 3638 * keyed off of the SROM media code for that media. 3639 * 3640 * Note that we explicitly configure the 21142/21143 to always advertise 3641 * NWay capabilities when using the UTP port. 3642 * XXX Actually, we don't yet. 3643 */ 3644 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3645 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3646 "10baseT", 3647 0, 3648 { SIACONN_21040_10BASET, 3649 SIATXRX_21040_10BASET, 3650 SIAGEN_21040_10BASET }, 3651 3652 { SIACONN_21041_10BASET, 3653 SIATXRX_21041_10BASET, 3654 SIAGEN_21041_10BASET }, 3655 3656 { SIACONN_21142_10BASET, 3657 SIATXRX_21142_10BASET, 3658 SIAGEN_21142_10BASET } }, 3659 3660 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3661 "10base2", 3662 0, 3663 { 0, 3664 0, 3665 0 }, 3666 3667 { SIACONN_21041_BNC, 3668 SIATXRX_21041_BNC, 3669 SIAGEN_21041_BNC }, 3670 3671 { SIACONN_21142_BNC, 3672 SIATXRX_21142_BNC, 3673 SIAGEN_21142_BNC } }, 3674 3675 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3676 "10base5", 3677 0, 3678 { SIACONN_21040_AUI, 3679 SIATXRX_21040_AUI, 3680 SIAGEN_21040_AUI }, 3681 3682 { SIACONN_21041_AUI, 3683 SIATXRX_21041_AUI, 3684 SIAGEN_21041_AUI }, 3685 3686 { SIACONN_21142_AUI, 3687 SIATXRX_21142_AUI, 3688 SIAGEN_21142_AUI } }, 3689 3690 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3691 "100baseTX", 3692 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3693 { 0, 3694 0, 3695 0 }, 3696 3697 { 0, 3698 0, 3699 0 }, 3700 3701 { 0, 3702 0, 3703 SIAGEN_ABM } }, 3704 3705 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3706 "10baseT-FDX", 3707 OPMODE_FD|OPMODE_HBD, 3708 { SIACONN_21040_10BASET_FDX, 3709 SIATXRX_21040_10BASET_FDX, 3710 SIAGEN_21040_10BASET_FDX }, 3711 3712 { SIACONN_21041_10BASET_FDX, 3713 SIATXRX_21041_10BASET_FDX, 3714 SIAGEN_21041_10BASET_FDX }, 3715 3716 { SIACONN_21142_10BASET_FDX, 3717 SIATXRX_21142_10BASET_FDX, 3718 SIAGEN_21142_10BASET_FDX } }, 3719 3720 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3721 "100baseTX-FDX", 3722 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3723 { 0, 3724 0, 3725 0 }, 3726 3727 { 0, 3728 0, 3729 0 }, 3730 3731 { 0, 3732 0, 3733 SIAGEN_ABM } }, 3734 3735 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3736 "100baseT4", 3737 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3738 { 0, 3739 0, 3740 0 }, 3741 3742 { 0, 3743 0, 3744 0 }, 3745 3746 { 0, 3747 0, 3748 SIAGEN_ABM } }, 3749 3750 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3751 "100baseFX", 3752 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3753 { 0, 3754 0, 3755 0 }, 3756 3757 { 0, 3758 0, 3759 0 }, 3760 3761 { 0, 3762 0, 3763 SIAGEN_ABM } }, 3764 3765 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3766 "100baseFX-FDX", 3767 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3768 { 0, 3769 0, 3770 0 }, 3771 3772 { 0, 3773 0, 3774 0 }, 3775 3776 { 0, 3777 0, 3778 SIAGEN_ABM } }, 3779 3780 { 0, 0, 0, 3781 NULL, 3782 0, 3783 { 0, 3784 0, 3785 0 }, 3786 3787 { 0, 3788 0, 3789 0 }, 3790 3791 { 0, 3792 0, 3793 0 } }, 3794 }; 3795 3796 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3797 void tlp_srom_media_info __P((struct tulip_softc *, 3798 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3799 void tlp_add_srom_media __P((struct tulip_softc *, int, 3800 void (*)(struct tulip_softc *, struct ifmediareq *), 3801 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3802 void tlp_print_media __P((struct tulip_softc *)); 3803 void tlp_nway_activate __P((struct tulip_softc *, int)); 3804 void tlp_get_minst __P((struct tulip_softc *)); 3805 3806 const struct tulip_srom_to_ifmedia * 3807 tlp_srom_to_ifmedia(sm) 3808 u_int8_t sm; 3809 { 3810 const struct tulip_srom_to_ifmedia *tsti; 3811 3812 for (tsti = tulip_srom_to_ifmedia_table; 3813 tsti->tsti_name != NULL; tsti++) { 3814 if (tsti->tsti_srom == sm) 3815 return (tsti); 3816 } 3817 3818 return (NULL); 3819 } 3820 3821 void 3822 tlp_srom_media_info(sc, tsti, tm) 3823 struct tulip_softc *sc; 3824 const struct tulip_srom_to_ifmedia *tsti; 3825 struct tulip_21x4x_media *tm; 3826 { 3827 3828 tm->tm_name = tsti->tsti_name; 3829 tm->tm_opmode = tsti->tsti_opmode; 3830 3831 switch (sc->sc_chip) { 3832 case TULIP_CHIP_DE425: 3833 case TULIP_CHIP_21040: 3834 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3835 break; 3836 3837 case TULIP_CHIP_21041: 3838 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3839 break; 3840 3841 case TULIP_CHIP_21142: 3842 case TULIP_CHIP_21143: 3843 case TULIP_CHIP_82C115: 3844 case TULIP_CHIP_MX98715: 3845 case TULIP_CHIP_MX98715A: 3846 case TULIP_CHIP_MX98715AEC_X: 3847 case TULIP_CHIP_MX98725: 3848 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3849 break; 3850 3851 default: 3852 /* Nothing. */ 3853 } 3854 } 3855 3856 void 3857 tlp_add_srom_media(sc, type, get, set, list, cnt) 3858 struct tulip_softc *sc; 3859 int type; 3860 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3861 int (*set) __P((struct tulip_softc *)); 3862 const u_int8_t *list; 3863 int cnt; 3864 { 3865 struct tulip_21x4x_media *tm; 3866 const struct tulip_srom_to_ifmedia *tsti; 3867 int i; 3868 3869 for (i = 0; i < cnt; i++) { 3870 tsti = tlp_srom_to_ifmedia(list[i]); 3871 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3872 memset(tm, 0, sizeof(*tm)); 3873 tlp_srom_media_info(sc, tsti, tm); 3874 tm->tm_type = type; 3875 tm->tm_get = get; 3876 tm->tm_set = set; 3877 3878 ifmedia_add(&sc->sc_mii.mii_media, 3879 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3880 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3881 } 3882 } 3883 3884 void 3885 tlp_print_media(sc) 3886 struct tulip_softc *sc; 3887 { 3888 struct ifmedia_entry *ife; 3889 struct tulip_21x4x_media *tm; 3890 const char *sep = ""; 3891 3892 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3893 3894 printf("%s: ", sc->sc_dev.dv_xname); 3895 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3896 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3897 tm = ife->ifm_aux; 3898 if (tm == NULL) { 3899 #ifdef DIAGNOSTIC 3900 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3901 panic("tlp_print_media"); 3902 #endif 3903 PRINT("auto"); 3904 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3905 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3906 PRINT(tm->tm_name); 3907 } 3908 } 3909 printf("\n"); 3910 3911 #undef PRINT 3912 } 3913 3914 void 3915 tlp_nway_activate(sc, media) 3916 struct tulip_softc *sc; 3917 int media; 3918 { 3919 struct ifmedia_entry *ife; 3920 3921 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3922 #ifdef DIAGNOSTIC 3923 if (ife == NULL) 3924 panic("tlp_nway_activate"); 3925 #endif 3926 sc->sc_nway_active = ife; 3927 } 3928 3929 void 3930 tlp_get_minst(sc) 3931 struct tulip_softc *sc; 3932 { 3933 3934 if ((sc->sc_media_seen & 3935 ~((1 << TULIP_ROM_MB_21140_MII) | 3936 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3937 /* 3938 * We have not yet seen any SIA/SYM media (but are 3939 * about to; that's why we're called!), so assign 3940 * the current media instance to be the `internal media' 3941 * instance, and advance it so any MII media gets a 3942 * fresh one (used to selecting/isolating a PHY). 3943 */ 3944 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3945 } 3946 } 3947 3948 /* 3949 * SIA Utility functions. 3950 */ 3951 void tlp_sia_update_link __P((struct tulip_softc *)); 3952 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3953 int tlp_sia_set __P((struct tulip_softc *)); 3954 void tlp_sia_fixup __P((struct tulip_softc *)); 3955 3956 void 3957 tlp_sia_update_link(sc) 3958 struct tulip_softc *sc; 3959 { 3960 struct ifmedia_entry *ife; 3961 struct tulip_21x4x_media *tm; 3962 u_int32_t siastat; 3963 3964 ife = TULIP_CURRENT_MEDIA(sc); 3965 tm = ife->ifm_aux; 3966 3967 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3968 3969 siastat = TULIP_READ(sc, CSR_SIASTAT); 3970 3971 /* 3972 * Note that when we do SIA link tests, we are assuming that 3973 * the chip is really in the mode that the current media setting 3974 * reflects. If we're not, then the link tests will not be 3975 * accurate! 3976 */ 3977 switch (IFM_SUBTYPE(ife->ifm_media)) { 3978 case IFM_10_T: 3979 sc->sc_flags |= TULIPF_LINK_VALID; 3980 if ((siastat & SIASTAT_LS10) == 0) 3981 sc->sc_flags |= TULIPF_LINK_UP; 3982 break; 3983 3984 case IFM_100_TX: 3985 case IFM_100_T4: 3986 sc->sc_flags |= TULIPF_LINK_VALID; 3987 if ((siastat & SIASTAT_LS100) == 0) 3988 sc->sc_flags |= TULIPF_LINK_UP; 3989 break; 3990 } 3991 3992 switch (sc->sc_chip) { 3993 case TULIP_CHIP_21142: 3994 case TULIP_CHIP_21143: 3995 /* 3996 * On these chips, we can tell more information about 3997 * AUI/BNC. Note that the AUI/BNC selection is made 3998 * in a different register; for our purpose, it's all 3999 * AUI. 4000 */ 4001 switch (IFM_SUBTYPE(ife->ifm_media)) { 4002 case IFM_10_2: 4003 case IFM_10_5: 4004 sc->sc_flags |= TULIPF_LINK_VALID; 4005 if (siastat & SIASTAT_ARA) { 4006 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4007 sc->sc_flags |= TULIPF_LINK_UP; 4008 } 4009 break; 4010 4011 default: 4012 /* 4013 * If we're SYM media and can detect the link 4014 * via the GPIO facility, prefer that status 4015 * over LS100. 4016 */ 4017 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4018 tm->tm_actmask != 0) { 4019 sc->sc_flags = (sc->sc_flags & 4020 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4021 if (TULIP_ISSET(sc, CSR_SIAGEN, 4022 tm->tm_actmask) == tm->tm_actdata) 4023 sc->sc_flags |= TULIPF_LINK_UP; 4024 } 4025 } 4026 break; 4027 4028 default: 4029 /* Nothing. */ 4030 } 4031 } 4032 4033 void 4034 tlp_sia_get(sc, ifmr) 4035 struct tulip_softc *sc; 4036 struct ifmediareq *ifmr; 4037 { 4038 struct ifmedia_entry *ife; 4039 4040 ifmr->ifm_status = 0; 4041 4042 tlp_sia_update_link(sc); 4043 4044 ife = TULIP_CURRENT_MEDIA(sc); 4045 4046 if (sc->sc_flags & TULIPF_LINK_VALID) 4047 ifmr->ifm_status |= IFM_AVALID; 4048 if (sc->sc_flags & TULIPF_LINK_UP) 4049 ifmr->ifm_status |= IFM_ACTIVE; 4050 ifmr->ifm_active = ife->ifm_media; 4051 } 4052 4053 void 4054 tlp_sia_fixup(sc) 4055 struct tulip_softc *sc; 4056 { 4057 struct ifmedia_entry *ife; 4058 struct tulip_21x4x_media *tm; 4059 u_int32_t siaconn, siatxrx, siagen; 4060 4061 switch (sc->sc_chip) { 4062 case TULIP_CHIP_82C115: 4063 case TULIP_CHIP_MX98713A: 4064 case TULIP_CHIP_MX98715: 4065 case TULIP_CHIP_MX98715A: 4066 case TULIP_CHIP_MX98715AEC_X: 4067 case TULIP_CHIP_MX98725: 4068 siaconn = PMAC_SIACONN_MASK; 4069 siatxrx = PMAC_SIATXRX_MASK; 4070 siagen = PMAC_SIAGEN_MASK; 4071 break; 4072 4073 default: 4074 /* No fixups required on any other chips. */ 4075 return; 4076 } 4077 4078 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4079 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4080 tm = ife->ifm_aux; 4081 if (tm == NULL) 4082 continue; 4083 4084 tm->tm_siaconn &= siaconn; 4085 tm->tm_siatxrx &= siatxrx; 4086 tm->tm_siagen &= siagen; 4087 } 4088 } 4089 4090 int 4091 tlp_sia_set(sc) 4092 struct tulip_softc *sc; 4093 { 4094 struct ifmedia_entry *ife; 4095 struct tulip_21x4x_media *tm; 4096 4097 ife = TULIP_CURRENT_MEDIA(sc); 4098 tm = ife->ifm_aux; 4099 4100 /* 4101 * XXX This appears to be necessary on a bunch of the clone chips. 4102 */ 4103 delay(20000); 4104 4105 /* 4106 * Idle the chip. 4107 */ 4108 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4109 4110 /* 4111 * Program the SIA. It's important to write in this order, 4112 * resetting the SIA first. 4113 */ 4114 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4115 delay(1000); 4116 4117 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4118 4119 switch (sc->sc_chip) { 4120 case TULIP_CHIP_21142: 4121 case TULIP_CHIP_21143: 4122 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4123 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4124 break; 4125 default: 4126 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4127 } 4128 4129 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4130 4131 /* 4132 * Set the OPMODE bits for this media and write OPMODE. 4133 * This will resume the transmit and receive processes. 4134 */ 4135 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4136 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4137 4138 return (0); 4139 } 4140 4141 /* 4142 * 21140 GPIO utility functions. 4143 */ 4144 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4145 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4146 struct ifmediareq *ifmr)); 4147 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4148 4149 void 4150 tlp_21140_gpio_update_link(sc) 4151 struct tulip_softc *sc; 4152 { 4153 struct ifmedia_entry *ife; 4154 struct tulip_21x4x_media *tm; 4155 4156 ife = TULIP_CURRENT_MEDIA(sc); 4157 tm = ife->ifm_aux; 4158 4159 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4160 4161 if (tm->tm_actmask != 0) { 4162 sc->sc_flags |= TULIPF_LINK_VALID; 4163 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4164 tm->tm_actdata) 4165 sc->sc_flags |= TULIPF_LINK_UP; 4166 } 4167 } 4168 4169 void 4170 tlp_21140_gpio_get(sc, ifmr) 4171 struct tulip_softc *sc; 4172 struct ifmediareq *ifmr; 4173 { 4174 struct ifmedia_entry *ife; 4175 4176 ifmr->ifm_status = 0; 4177 4178 tlp_21140_gpio_update_link(sc); 4179 4180 ife = TULIP_CURRENT_MEDIA(sc); 4181 4182 if (sc->sc_flags & TULIPF_LINK_VALID) 4183 ifmr->ifm_status |= IFM_AVALID; 4184 if (sc->sc_flags & TULIPF_LINK_UP) 4185 ifmr->ifm_status |= IFM_ACTIVE; 4186 ifmr->ifm_active = ife->ifm_media; 4187 } 4188 4189 int 4190 tlp_21140_gpio_set(sc) 4191 struct tulip_softc *sc; 4192 { 4193 struct ifmedia_entry *ife; 4194 struct tulip_21x4x_media *tm; 4195 4196 ife = TULIP_CURRENT_MEDIA(sc); 4197 tm = ife->ifm_aux; 4198 4199 /* 4200 * Idle the chip. 4201 */ 4202 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4203 4204 /* 4205 * Set the GPIO pins for this media, to flip any 4206 * relays, etc. 4207 */ 4208 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4209 delay(10); 4210 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4211 4212 /* 4213 * Set the OPMODE bits for this media and write OPMODE. 4214 * This will resume the transmit and receive processes. 4215 */ 4216 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4217 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4218 4219 return (0); 4220 } 4221 4222 /* 4223 * 21040 and 21041 media switches. 4224 */ 4225 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4226 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4227 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4228 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4229 4230 const struct tulip_mediasw tlp_21040_mediasw = { 4231 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4232 }; 4233 4234 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4235 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4236 }; 4237 4238 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4239 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4240 }; 4241 4242 const struct tulip_mediasw tlp_21041_mediasw = { 4243 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4244 }; 4245 4246 4247 void 4248 tlp_21040_tmsw_init(sc) 4249 struct tulip_softc *sc; 4250 { 4251 static const u_int8_t media[] = { 4252 TULIP_ROM_MB_MEDIA_TP, 4253 TULIP_ROM_MB_MEDIA_TP_FDX, 4254 TULIP_ROM_MB_MEDIA_AUI, 4255 }; 4256 struct tulip_21x4x_media *tm; 4257 4258 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4259 tlp_mediastatus); 4260 4261 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4262 4263 /* 4264 * No SROM type for External SIA. 4265 */ 4266 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4267 memset(tm, 0, sizeof(*tm)); 4268 tm->tm_name = "manual"; 4269 tm->tm_opmode = 0; 4270 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4271 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4272 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4273 ifmedia_add(&sc->sc_mii.mii_media, 4274 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4275 4276 /* 4277 * XXX Autosense not yet supported. 4278 */ 4279 4280 /* XXX This should be auto-sense. */ 4281 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4282 4283 tlp_print_media(sc); 4284 } 4285 4286 void 4287 tlp_21040_tp_tmsw_init(sc) 4288 struct tulip_softc *sc; 4289 { 4290 static const u_int8_t media[] = { 4291 TULIP_ROM_MB_MEDIA_TP, 4292 TULIP_ROM_MB_MEDIA_TP_FDX, 4293 }; 4294 4295 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4296 tlp_mediastatus); 4297 4298 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4299 4300 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4301 4302 tlp_print_media(sc); 4303 } 4304 4305 void 4306 tlp_21040_auibnc_tmsw_init(sc) 4307 struct tulip_softc *sc; 4308 { 4309 static const u_int8_t media[] = { 4310 TULIP_ROM_MB_MEDIA_AUI, 4311 }; 4312 4313 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4314 tlp_mediastatus); 4315 4316 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4317 4318 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4319 4320 tlp_print_media(sc); 4321 } 4322 4323 void 4324 tlp_21041_tmsw_init(sc) 4325 struct tulip_softc *sc; 4326 { 4327 static const u_int8_t media[] = { 4328 TULIP_ROM_MB_MEDIA_TP, 4329 TULIP_ROM_MB_MEDIA_TP_FDX, 4330 TULIP_ROM_MB_MEDIA_BNC, 4331 TULIP_ROM_MB_MEDIA_AUI, 4332 }; 4333 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4334 const struct tulip_srom_to_ifmedia *tsti; 4335 struct tulip_21x4x_media *tm; 4336 u_int16_t romdef; 4337 u_int8_t mb; 4338 4339 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4340 tlp_mediastatus); 4341 4342 if (tlp_isv_srom(sc->sc_srom) == 0) { 4343 not_isv_srom: 4344 /* 4345 * If we have a board without the standard 21041 SROM format, 4346 * we just assume all media are present and try and pick a 4347 * reasonable default. 4348 */ 4349 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4350 4351 /* 4352 * XXX Autosense not yet supported. 4353 */ 4354 4355 /* XXX This should be auto-sense. */ 4356 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4357 4358 tlp_print_media(sc); 4359 return; 4360 } 4361 4362 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4363 for (i = 0; i < devcnt; i++) { 4364 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4365 break; 4366 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4367 sc->sc_devno) 4368 break; 4369 } 4370 4371 if (i == devcnt) 4372 goto not_isv_srom; 4373 4374 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4375 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4376 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4377 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4378 4379 for (; m_cnt != 0; 4380 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4381 mb = sc->sc_srom[mb_offset]; 4382 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4383 memset(tm, 0, sizeof(*tm)); 4384 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4385 case TULIP_ROM_MB_MEDIA_TP_FDX: 4386 case TULIP_ROM_MB_MEDIA_TP: 4387 case TULIP_ROM_MB_MEDIA_BNC: 4388 case TULIP_ROM_MB_MEDIA_AUI: 4389 tsti = tlp_srom_to_ifmedia(mb & 4390 TULIP_ROM_MB_MEDIA_CODE); 4391 4392 tlp_srom_media_info(sc, tsti, tm); 4393 4394 /* 4395 * Override our default SIA settings if the 4396 * SROM contains its own. 4397 */ 4398 if (mb & TULIP_ROM_MB_EXT) { 4399 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4400 mb_offset + TULIP_ROM_MB_CSR13); 4401 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4402 mb_offset + TULIP_ROM_MB_CSR14); 4403 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4404 mb_offset + TULIP_ROM_MB_CSR15); 4405 } 4406 4407 ifmedia_add(&sc->sc_mii.mii_media, 4408 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4409 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4410 break; 4411 4412 default: 4413 printf("%s: unknown media code 0x%02x\n", 4414 sc->sc_dev.dv_xname, 4415 mb & TULIP_ROM_MB_MEDIA_CODE); 4416 free(tm, M_DEVBUF); 4417 } 4418 } 4419 4420 /* 4421 * XXX Autosense not yet supported. 4422 */ 4423 4424 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4425 TULIP_ROM_IL_SELECT_CONN_TYPE); 4426 switch (romdef) { 4427 case SELECT_CONN_TYPE_TP: 4428 case SELECT_CONN_TYPE_TP_AUTONEG: 4429 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4430 defmedia = IFM_ETHER|IFM_10_T; 4431 break; 4432 4433 case SELECT_CONN_TYPE_TP_FDX: 4434 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4435 break; 4436 4437 case SELECT_CONN_TYPE_BNC: 4438 defmedia = IFM_ETHER|IFM_10_2; 4439 break; 4440 4441 case SELECT_CONN_TYPE_AUI: 4442 defmedia = IFM_ETHER|IFM_10_5; 4443 break; 4444 #if 0 /* XXX */ 4445 case SELECT_CONN_TYPE_ASENSE: 4446 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4447 defmedia = IFM_ETHER|IFM_AUTO; 4448 break; 4449 #endif 4450 default: 4451 defmedia = 0; 4452 } 4453 4454 if (defmedia == 0) { 4455 /* 4456 * XXX We should default to auto-sense. 4457 */ 4458 defmedia = IFM_ETHER|IFM_10_T; 4459 } 4460 4461 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4462 4463 tlp_print_media(sc); 4464 } 4465 4466 /* 4467 * DECchip 2114x ISV media switch. 4468 */ 4469 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4470 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4471 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4472 4473 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4474 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4475 }; 4476 4477 void 4478 tlp_2114x_isv_tmsw_init(sc) 4479 struct tulip_softc *sc; 4480 { 4481 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4482 struct ifmedia_entry *ife; 4483 struct mii_softc *phy; 4484 struct tulip_21x4x_media *tm; 4485 const struct tulip_srom_to_ifmedia *tsti; 4486 int i, devcnt, leaf_offset, m_cnt, type, length; 4487 int defmedia, miidef; 4488 u_int16_t word; 4489 u_int8_t *cp, *ncp; 4490 4491 defmedia = miidef = 0; 4492 4493 sc->sc_mii.mii_ifp = ifp; 4494 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4495 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4496 sc->sc_mii.mii_statchg = sc->sc_statchg; 4497 4498 /* 4499 * Ignore `instance'; we may get a mixture of SIA and MII 4500 * media, and `instance' is used to isolate or select the 4501 * PHY on the MII as appropriate. Note that duplicate media 4502 * are disallowed, so ignoring `instance' is safe. 4503 */ 4504 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4505 tlp_mediastatus); 4506 4507 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4508 for (i = 0; i < devcnt; i++) { 4509 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4510 break; 4511 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4512 sc->sc_devno) 4513 break; 4514 } 4515 4516 if (i == devcnt) { 4517 printf("%s: unable to locate info leaf in SROM\n", 4518 sc->sc_dev.dv_xname); 4519 return; 4520 } 4521 4522 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4523 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4524 4525 /* XXX SELECT CONN TYPE */ 4526 4527 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4528 4529 /* 4530 * On some chips, the first thing in the Info Leaf is the 4531 * GPIO pin direction data. 4532 */ 4533 switch (sc->sc_chip) { 4534 case TULIP_CHIP_21140: 4535 case TULIP_CHIP_21140A: 4536 case TULIP_CHIP_MX98713: 4537 case TULIP_CHIP_AX88140: 4538 case TULIP_CHIP_AX88141: 4539 sc->sc_gp_dir = *cp++; 4540 break; 4541 4542 default: 4543 /* Nothing. */ 4544 } 4545 4546 /* Get the media count. */ 4547 m_cnt = *cp++; 4548 4549 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4550 /* 4551 * Determine the type and length of this media block. 4552 */ 4553 if ((*cp & 0x80) == 0) { 4554 length = 4; 4555 type = TULIP_ROM_MB_21140_GPR; 4556 } else { 4557 length = (*cp++ & 0x7f) - 1; 4558 type = *cp++ & 0x3f; 4559 } 4560 4561 /* Compute the start of the next block. */ 4562 ncp = cp + length; 4563 4564 /* Now, parse the block. */ 4565 switch (type) { 4566 case TULIP_ROM_MB_21140_GPR: 4567 tlp_get_minst(sc); 4568 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4569 4570 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4571 memset(tm, 0, sizeof(*tm)); 4572 4573 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4574 tm->tm_get = tlp_21140_gpio_get; 4575 tm->tm_set = tlp_21140_gpio_set; 4576 4577 /* First is the media type code. */ 4578 tsti = tlp_srom_to_ifmedia(cp[0] & 4579 TULIP_ROM_MB_MEDIA_CODE); 4580 if (tsti == NULL) { 4581 /* Invalid media code. */ 4582 free(tm, M_DEVBUF); 4583 break; 4584 } 4585 4586 /* Get defaults. */ 4587 tlp_srom_media_info(sc, tsti, tm); 4588 4589 /* Next is any GPIO info for this media. */ 4590 tm->tm_gpdata = cp[1]; 4591 4592 /* 4593 * Next is a word containing OPMODE information 4594 * and info on how to detect if this media is 4595 * active. 4596 */ 4597 word = TULIP_ROM_GETW(cp, 2); 4598 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4599 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4600 tm->tm_actmask = 4601 TULIP_ROM_MB_BITPOS(word); 4602 tm->tm_actdata = 4603 (word & TULIP_ROM_MB_POLARITY) ? 4604 0 : tm->tm_actmask; 4605 } 4606 4607 ifmedia_add(&sc->sc_mii.mii_media, 4608 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4609 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4610 break; 4611 4612 case TULIP_ROM_MB_21140_MII: 4613 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4614 4615 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4616 memset(tm, 0, sizeof(*tm)); 4617 4618 tm->tm_type = TULIP_ROM_MB_21140_MII; 4619 tm->tm_get = tlp_mii_getmedia; 4620 tm->tm_set = tlp_mii_setmedia; 4621 tm->tm_opmode = OPMODE_PS; 4622 4623 if (sc->sc_reset == NULL) 4624 sc->sc_reset = tlp_21140_reset; 4625 4626 /* First is the PHY number. */ 4627 tm->tm_phyno = *cp++; 4628 4629 /* Next is the MII select sequence length and offset. */ 4630 tm->tm_gp_length = *cp++; 4631 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4632 cp += tm->tm_gp_length; 4633 4634 /* Next is the MII reset sequence length and offset. */ 4635 tm->tm_reset_length = *cp++; 4636 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4637 cp += tm->tm_reset_length; 4638 4639 /* 4640 * The following items are left in the media block 4641 * that we don't particularly care about: 4642 * 4643 * capabilities W 4644 * advertisement W 4645 * full duplex W 4646 * tx threshold W 4647 * 4648 * These appear to be bits in the PHY registers, 4649 * which our MII code handles on its own. 4650 */ 4651 4652 /* 4653 * Before we probe the MII bus, we need to reset 4654 * it and issue the selection sequence. 4655 */ 4656 4657 /* Set the direction of the pins... */ 4658 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4659 4660 for (i = 0; i < tm->tm_reset_length; i++) { 4661 delay(10); 4662 TULIP_WRITE(sc, CSR_GPP, 4663 sc->sc_srom[tm->tm_reset_offset + i]); 4664 } 4665 4666 for (i = 0; i < tm->tm_gp_length; i++) { 4667 delay(10); 4668 TULIP_WRITE(sc, CSR_GPP, 4669 sc->sc_srom[tm->tm_gp_offset + i]); 4670 } 4671 4672 /* If there were no sequences, just lower the pins. */ 4673 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4674 delay(10); 4675 TULIP_WRITE(sc, CSR_GPP, 0); 4676 } 4677 4678 /* 4679 * Now, probe the MII for the PHY. Note, we know 4680 * the location of the PHY on the bus, but we don't 4681 * particularly care; the MII code just likes to 4682 * search the whole thing anyhow. 4683 */ 4684 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4685 MII_PHY_ANY, tm->tm_phyno, 0); 4686 4687 /* 4688 * Now, search for the PHY we hopefully just 4689 * configured. If it's not configured into the 4690 * kernel, we lose. The PHY's default media always 4691 * takes priority. 4692 */ 4693 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4694 phy != NULL; 4695 phy = LIST_NEXT(phy, mii_list)) 4696 if (phy->mii_offset == tm->tm_phyno) 4697 break; 4698 if (phy == NULL) { 4699 printf("%s: unable to configure MII\n", 4700 sc->sc_dev.dv_xname); 4701 break; 4702 } 4703 4704 sc->sc_flags |= TULIPF_HAS_MII; 4705 sc->sc_tick = tlp_mii_tick; 4706 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4707 phy->mii_inst); 4708 4709 /* 4710 * Okay, now that we've found the PHY and the MII 4711 * layer has added all of the media associated 4712 * with that PHY, we need to traverse the media 4713 * list, and add our `tm' to each entry's `aux' 4714 * pointer. 4715 * 4716 * We do this by looking for media with our 4717 * PHY's `instance'. 4718 */ 4719 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4720 ife != NULL; 4721 ife = TAILQ_NEXT(ife, ifm_list)) { 4722 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4723 continue; 4724 ife->ifm_aux = tm; 4725 } 4726 break; 4727 4728 case TULIP_ROM_MB_21142_SIA: 4729 tlp_get_minst(sc); 4730 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4731 4732 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4733 memset(tm, 0, sizeof(*tm)); 4734 4735 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4736 tm->tm_get = tlp_sia_get; 4737 tm->tm_set = tlp_sia_set; 4738 4739 /* First is the media type code. */ 4740 tsti = tlp_srom_to_ifmedia(cp[0] & 4741 TULIP_ROM_MB_MEDIA_CODE); 4742 if (tsti == NULL) { 4743 /* Invalid media code. */ 4744 free(tm, M_DEVBUF); 4745 break; 4746 } 4747 4748 /* Get defaults. */ 4749 tlp_srom_media_info(sc, tsti, tm); 4750 4751 /* 4752 * Override our default SIA settings if the 4753 * SROM contains its own. 4754 */ 4755 if (cp[0] & 0x40) { 4756 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4757 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4758 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4759 cp += 7; 4760 } else 4761 cp++; 4762 4763 /* Next is GPIO control/data. */ 4764 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4765 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4766 4767 ifmedia_add(&sc->sc_mii.mii_media, 4768 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4769 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4770 break; 4771 4772 case TULIP_ROM_MB_21142_MII: 4773 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4774 4775 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4776 memset(tm, 0, sizeof(*tm)); 4777 4778 tm->tm_type = TULIP_ROM_MB_21142_MII; 4779 tm->tm_get = tlp_mii_getmedia; 4780 tm->tm_set = tlp_mii_setmedia; 4781 tm->tm_opmode = OPMODE_PS; 4782 4783 if (sc->sc_reset == NULL) 4784 sc->sc_reset = tlp_21142_reset; 4785 4786 /* First is the PHY number. */ 4787 tm->tm_phyno = *cp++; 4788 4789 /* Next is the MII select sequence length and offset. */ 4790 tm->tm_gp_length = *cp++; 4791 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4792 cp += tm->tm_gp_length * 2; 4793 4794 /* Next is the MII reset sequence length and offset. */ 4795 tm->tm_reset_length = *cp++; 4796 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4797 cp += tm->tm_reset_length * 2; 4798 4799 /* 4800 * The following items are left in the media block 4801 * that we don't particularly care about: 4802 * 4803 * capabilities W 4804 * advertisement W 4805 * full duplex W 4806 * tx threshold W 4807 * MII interrupt W 4808 * 4809 * These appear to be bits in the PHY registers, 4810 * which our MII code handles on its own. 4811 */ 4812 4813 /* 4814 * Before we probe the MII bus, we need to reset 4815 * it and issue the selection sequence. 4816 */ 4817 4818 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4819 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4820 delay(10); 4821 TULIP_WRITE(sc, CSR_SIAGEN, 4822 TULIP_ROM_GETW(ncp, 0) << 16); 4823 } 4824 4825 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4826 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4827 delay(10); 4828 TULIP_WRITE(sc, CSR_SIAGEN, 4829 TULIP_ROM_GETW(ncp, 0) << 16); 4830 } 4831 4832 /* If there were no sequences, just lower the pins. */ 4833 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4834 delay(10); 4835 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4836 } 4837 4838 /* 4839 * Now, probe the MII for the PHY. Note, we know 4840 * the location of the PHY on the bus, but we don't 4841 * particularly care; the MII code just likes to 4842 * search the whole thing anyhow. 4843 */ 4844 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4845 MII_PHY_ANY, tm->tm_phyno, 0); 4846 4847 /* 4848 * Now, search for the PHY we hopefully just 4849 * configured. If it's not configured into the 4850 * kernel, we lose. The PHY's default media always 4851 * takes priority. 4852 */ 4853 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4854 phy != NULL; 4855 phy = LIST_NEXT(phy, mii_list)) 4856 if (phy->mii_offset == tm->tm_phyno) 4857 break; 4858 if (phy == NULL) { 4859 printf("%s: unable to configure MII\n", 4860 sc->sc_dev.dv_xname); 4861 break; 4862 } 4863 4864 sc->sc_flags |= TULIPF_HAS_MII; 4865 sc->sc_tick = tlp_mii_tick; 4866 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4867 phy->mii_inst); 4868 4869 /* 4870 * Okay, now that we've found the PHY and the MII 4871 * layer has added all of the media associated 4872 * with that PHY, we need to traverse the media 4873 * list, and add our `tm' to each entry's `aux' 4874 * pointer. 4875 * 4876 * We do this by looking for media with our 4877 * PHY's `instance'. 4878 */ 4879 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4880 ife != NULL; 4881 ife = TAILQ_NEXT(ife, ifm_list)) { 4882 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4883 continue; 4884 ife->ifm_aux = tm; 4885 } 4886 break; 4887 4888 case TULIP_ROM_MB_21143_SYM: 4889 tlp_get_minst(sc); 4890 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4891 4892 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4893 memset(tm, 0, sizeof(*tm)); 4894 4895 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4896 tm->tm_get = tlp_sia_get; 4897 tm->tm_set = tlp_sia_set; 4898 4899 /* First is the media type code. */ 4900 tsti = tlp_srom_to_ifmedia(cp[0] & 4901 TULIP_ROM_MB_MEDIA_CODE); 4902 if (tsti == NULL) { 4903 /* Invalid media code. */ 4904 free(tm, M_DEVBUF); 4905 break; 4906 } 4907 4908 /* Get defaults. */ 4909 tlp_srom_media_info(sc, tsti, tm); 4910 4911 /* Next is GPIO control/data. */ 4912 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4913 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4914 4915 /* 4916 * Next is a word containing OPMODE information 4917 * and info on how to detect if this media is 4918 * active. 4919 */ 4920 word = TULIP_ROM_GETW(cp, 5); 4921 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4922 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4923 tm->tm_actmask = 4924 TULIP_ROM_MB_BITPOS(word); 4925 tm->tm_actdata = 4926 (word & TULIP_ROM_MB_POLARITY) ? 4927 0 : tm->tm_actmask; 4928 } 4929 4930 ifmedia_add(&sc->sc_mii.mii_media, 4931 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4932 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4933 break; 4934 4935 case TULIP_ROM_MB_21143_RESET: 4936 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4937 break; 4938 4939 default: 4940 printf("%s: unknown ISV media block type 0x%02x\n", 4941 sc->sc_dev.dv_xname, type); 4942 } 4943 } 4944 4945 /* 4946 * Deal with the case where no media is configured. 4947 */ 4948 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4949 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4950 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4951 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4952 return; 4953 } 4954 4955 /* 4956 * Pick the default media. 4957 */ 4958 if (miidef != 0) 4959 defmedia = miidef; 4960 else { 4961 /* 4962 * XXX Pick a better default. Should come from SROM 4963 * XXX on 21140[A], and should be "auto" on 21142, 4964 * XXX 21143, and Macronix chips. 4965 */ 4966 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4967 } 4968 4969 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4970 4971 /* 4972 * Display any non-MII media we've located. 4973 */ 4974 if (sc->sc_media_seen & 4975 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4976 tlp_print_media(sc); 4977 4978 tlp_sia_fixup(sc); 4979 } 4980 4981 void 4982 tlp_2114x_isv_tmsw_get(sc, ifmr) 4983 struct tulip_softc *sc; 4984 struct ifmediareq *ifmr; 4985 { 4986 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4987 struct tulip_21x4x_media *tm = ife->ifm_aux; 4988 4989 /* 4990 * We might be polling a non-MII autosense; check for that. 4991 */ 4992 if (tm == NULL) { 4993 #ifdef DIAGNOSTIC 4994 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4995 panic("tlp_2114x_isv_tmsw_get"); 4996 #endif 4997 tm = sc->sc_nway_active->ifm_aux; 4998 } 4999 5000 (*tm->tm_get)(sc, ifmr); 5001 } 5002 5003 int 5004 tlp_2114x_isv_tmsw_set(sc) 5005 struct tulip_softc *sc; 5006 { 5007 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5008 struct tulip_21x4x_media *tm = ife->ifm_aux; 5009 5010 /* 5011 * We might be setting a non-MII autosense; check for that. 5012 */ 5013 if (tm == NULL) { 5014 #ifdef DIAGNOSTIC 5015 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5016 panic("tlp_2114x_isv_tmsw_set"); 5017 #endif 5018 /* XXX XXX XXX */ 5019 } 5020 5021 /* 5022 * Check to see if we need to reset the chip, and do it. The 5023 * reset path will get the OPMODE register right the next 5024 * time through. 5025 */ 5026 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5027 return (tlp_init(sc)); 5028 5029 return ((*tm->tm_set)(sc)); 5030 } 5031 5032 /* 5033 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5034 */ 5035 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5036 5037 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5038 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5039 }; 5040 5041 void 5042 tlp_sio_mii_tmsw_init(sc) 5043 struct tulip_softc *sc; 5044 { 5045 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5046 5047 /* 5048 * We don't attach any media info structures to the ifmedia 5049 * entries, so if we're using a pre-init function that needs 5050 * that info, override it to one that doesn't. 5051 */ 5052 if (sc->sc_preinit == tlp_2114x_preinit) 5053 sc->sc_preinit = tlp_2114x_mii_preinit; 5054 5055 sc->sc_mii.mii_ifp = ifp; 5056 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5057 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5058 sc->sc_mii.mii_statchg = sc->sc_statchg; 5059 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5060 tlp_mediastatus); 5061 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5062 MII_OFFSET_ANY, 0); 5063 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5064 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5065 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5066 } else { 5067 sc->sc_flags |= TULIPF_HAS_MII; 5068 sc->sc_tick = tlp_mii_tick; 5069 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5070 } 5071 } 5072 5073 /* 5074 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5075 */ 5076 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5077 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5078 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5079 5080 const struct tulip_mediasw tlp_pnic_mediasw = { 5081 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5082 }; 5083 5084 void tlp_pnic_nway_statchg __P((struct device *)); 5085 void tlp_pnic_nway_tick __P((void *)); 5086 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5087 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5088 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5089 void tlp_pnic_nway_auto_timeout __P((void *)); 5090 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5091 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5092 5093 void 5094 tlp_pnic_tmsw_init(sc) 5095 struct tulip_softc *sc; 5096 { 5097 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5098 const char *sep = ""; 5099 5100 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5101 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5102 5103 sc->sc_mii.mii_ifp = ifp; 5104 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5105 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5106 sc->sc_mii.mii_statchg = sc->sc_statchg; 5107 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5108 tlp_mediastatus); 5109 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5110 MII_OFFSET_ANY, 0); 5111 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5112 /* XXX What about AUI/BNC support? */ 5113 printf("%s: ", sc->sc_dev.dv_xname); 5114 5115 tlp_pnic_nway_reset(sc); 5116 5117 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5118 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5119 PRINT("10baseT"); 5120 5121 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5122 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5123 PRINT("10baseT-FDX"); 5124 5125 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5126 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5127 PRINT("100baseTX"); 5128 5129 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5130 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5131 PNIC_NWAY_CAP100TXFDX); 5132 PRINT("100baseTX-FDX"); 5133 5134 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5135 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5136 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5137 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5138 PRINT("auto"); 5139 5140 printf("\n"); 5141 5142 sc->sc_statchg = tlp_pnic_nway_statchg; 5143 sc->sc_tick = tlp_pnic_nway_tick; 5144 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5145 } else { 5146 sc->sc_flags |= TULIPF_HAS_MII; 5147 sc->sc_tick = tlp_mii_tick; 5148 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5149 } 5150 5151 #undef ADD 5152 #undef PRINT 5153 } 5154 5155 void 5156 tlp_pnic_tmsw_get(sc, ifmr) 5157 struct tulip_softc *sc; 5158 struct ifmediareq *ifmr; 5159 { 5160 struct mii_data *mii = &sc->sc_mii; 5161 5162 if (sc->sc_flags & TULIPF_HAS_MII) 5163 tlp_mii_getmedia(sc, ifmr); 5164 else { 5165 mii->mii_media_status = 0; 5166 mii->mii_media_active = IFM_NONE; 5167 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5168 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5169 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5170 } 5171 } 5172 5173 int 5174 tlp_pnic_tmsw_set(sc) 5175 struct tulip_softc *sc; 5176 { 5177 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5178 struct mii_data *mii = &sc->sc_mii; 5179 5180 if (sc->sc_flags & TULIPF_HAS_MII) { 5181 /* 5182 * Make sure the built-in Tx jabber timer is disabled. 5183 */ 5184 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5185 5186 return (tlp_mii_setmedia(sc)); 5187 } 5188 5189 if (ifp->if_flags & IFF_UP) { 5190 mii->mii_media_status = 0; 5191 mii->mii_media_active = IFM_NONE; 5192 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5193 } 5194 5195 return (0); 5196 } 5197 5198 void 5199 tlp_pnic_nway_statchg(self) 5200 struct device *self; 5201 { 5202 struct tulip_softc *sc = (struct tulip_softc *)self; 5203 5204 /* Idle the transmit and receive processes. */ 5205 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5206 5207 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5208 OPMODE_SCR|OPMODE_HBD); 5209 5210 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5211 sc->sc_opmode |= OPMODE_TTM; 5212 TULIP_WRITE(sc, CSR_GPP, 5213 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5214 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5215 } else { 5216 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5217 TULIP_WRITE(sc, CSR_GPP, 5218 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5219 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5220 } 5221 5222 if (sc->sc_mii.mii_media_active & IFM_FDX) 5223 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5224 5225 /* 5226 * Write new OPMODE bits. This also restarts the transmit 5227 * and receive processes. 5228 */ 5229 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5230 } 5231 5232 void 5233 tlp_pnic_nway_tick(arg) 5234 void *arg; 5235 { 5236 struct tulip_softc *sc = arg; 5237 int s; 5238 5239 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5240 return; 5241 5242 s = splnet(); 5243 tlp_pnic_nway_service(sc, MII_TICK); 5244 splx(s); 5245 5246 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5247 } 5248 5249 /* 5250 * Support for the Lite-On PNIC internal NWay block. This is constructed 5251 * somewhat like a PHY driver for simplicity. 5252 */ 5253 5254 int 5255 tlp_pnic_nway_service(sc, cmd) 5256 struct tulip_softc *sc; 5257 int cmd; 5258 { 5259 struct mii_data *mii = &sc->sc_mii; 5260 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5261 5262 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5263 return (0); 5264 5265 switch (cmd) { 5266 case MII_POLLSTAT: 5267 /* Nothing special to do here. */ 5268 break; 5269 5270 case MII_MEDIACHG: 5271 switch (IFM_SUBTYPE(ife->ifm_media)) { 5272 case IFM_AUTO: 5273 (void) tlp_pnic_nway_auto(sc, 1); 5274 break; 5275 case IFM_100_T4: 5276 /* 5277 * XXX Not supported as a manual setting right now. 5278 */ 5279 return (EINVAL); 5280 default: 5281 /* 5282 * NWAY register data is stored in the ifmedia entry. 5283 */ 5284 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5285 } 5286 break; 5287 5288 case MII_TICK: 5289 /* 5290 * Only used for autonegotiation. 5291 */ 5292 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5293 return (0); 5294 5295 /* 5296 * Check to see if we have link. If we do, we don't 5297 * need to restart the autonegotiation process. 5298 */ 5299 if (sc->sc_flags & TULIPF_LINK_UP) 5300 return (0); 5301 5302 /* 5303 * Only retry autonegotiation every 5 seconds. 5304 */ 5305 if (++sc->sc_nway_ticks != 5) 5306 return (0); 5307 5308 sc->sc_nway_ticks = 0; 5309 tlp_pnic_nway_reset(sc); 5310 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5311 return (0); 5312 break; 5313 } 5314 5315 /* Update the media status. */ 5316 tlp_pnic_nway_status(sc); 5317 5318 /* Callback if something changed. */ 5319 if ((sc->sc_nway_active == NULL || 5320 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5321 cmd == MII_MEDIACHG) { 5322 (*sc->sc_statchg)(&sc->sc_dev); 5323 tlp_nway_activate(sc, mii->mii_media_active); 5324 } 5325 return (0); 5326 } 5327 5328 void 5329 tlp_pnic_nway_reset(sc) 5330 struct tulip_softc *sc; 5331 { 5332 5333 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5334 delay(100); 5335 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5336 } 5337 5338 int 5339 tlp_pnic_nway_auto(sc, waitfor) 5340 struct tulip_softc *sc; 5341 int waitfor; 5342 { 5343 struct mii_data *mii = &sc->sc_mii; 5344 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5345 u_int32_t reg; 5346 int i; 5347 5348 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5349 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5350 5351 if (waitfor) { 5352 /* Wait 500ms for it to complete. */ 5353 for (i = 0; i < 500; i++) { 5354 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5355 if (reg & PNIC_NWAY_LPAR_MASK) { 5356 tlp_pnic_nway_acomp(sc); 5357 return (0); 5358 } 5359 delay(1000); 5360 } 5361 #if 0 5362 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5363 printf("%s: autonegotiation failed to complete\n", 5364 sc->sc_dev.dv_xname); 5365 #endif 5366 5367 /* 5368 * Don't need to worry about clearing DOINGAUTO. 5369 * If that's set, a timeout is pending, and it will 5370 * clear the flag. 5371 */ 5372 return (EIO); 5373 } 5374 5375 /* 5376 * Just let it finish asynchronously. This is for the benefit of 5377 * the tick handler driving autonegotiation. Don't want 500ms 5378 * delays all the time while the system is running! 5379 */ 5380 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5381 sc->sc_flags |= TULIPF_DOINGAUTO; 5382 callout_reset(&sc->sc_nway_callout, hz >> 1, 5383 tlp_pnic_nway_auto_timeout, sc); 5384 } 5385 return (EJUSTRETURN); 5386 } 5387 5388 void 5389 tlp_pnic_nway_auto_timeout(arg) 5390 void *arg; 5391 { 5392 struct tulip_softc *sc = arg; 5393 u_int32_t reg; 5394 int s; 5395 5396 s = splnet(); 5397 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5398 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5399 #if 0 5400 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5401 printf("%s: autonegotiation failed to complete\n", 5402 sc->sc_dev.dv_xname); 5403 #endif 5404 5405 tlp_pnic_nway_acomp(sc); 5406 5407 /* Update the media status. */ 5408 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5409 splx(s); 5410 } 5411 5412 void 5413 tlp_pnic_nway_status(sc) 5414 struct tulip_softc *sc; 5415 { 5416 struct mii_data *mii = &sc->sc_mii; 5417 u_int32_t reg; 5418 5419 mii->mii_media_status = IFM_AVALID; 5420 mii->mii_media_active = IFM_ETHER; 5421 5422 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5423 5424 if (sc->sc_flags & TULIPF_LINK_UP) 5425 mii->mii_media_status |= IFM_ACTIVE; 5426 5427 if (reg & PNIC_NWAY_NW) { 5428 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5429 /* Erg, still trying, I guess... */ 5430 mii->mii_media_active |= IFM_NONE; 5431 return; 5432 } 5433 5434 #if 0 5435 if (reg & PNIC_NWAY_LPAR100T4) 5436 mii->mii_media_active |= IFM_100_T4; 5437 else 5438 #endif 5439 if (reg & PNIC_NWAY_LPAR100TXFDX) 5440 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5441 else if (reg & PNIC_NWAY_LPAR100TX) 5442 mii->mii_media_active |= IFM_100_TX; 5443 else if (reg & PNIC_NWAY_LPAR10TFDX) 5444 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5445 else if (reg & PNIC_NWAY_LPAR10T) 5446 mii->mii_media_active |= IFM_10_T; 5447 else 5448 mii->mii_media_active |= IFM_NONE; 5449 } else { 5450 if (reg & PNIC_NWAY_100) 5451 mii->mii_media_active |= IFM_100_TX; 5452 else 5453 mii->mii_media_active |= IFM_10_T; 5454 if (reg & PNIC_NWAY_FD) 5455 mii->mii_media_active |= IFM_FDX; 5456 } 5457 } 5458 5459 void 5460 tlp_pnic_nway_acomp(sc) 5461 struct tulip_softc *sc; 5462 { 5463 u_int32_t reg; 5464 5465 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5466 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5467 5468 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5469 reg |= PNIC_NWAY_100; 5470 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5471 reg |= PNIC_NWAY_FD; 5472 5473 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5474 } 5475 5476 /* 5477 * Macronix PMAC and Lite-On PNIC-II media switch: 5478 * 5479 * MX98713 and MX98713A 21140-like MII or GPIO media. 5480 * 5481 * MX98713A 21143-like MII or SIA/SYM media. 5482 * 5483 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5484 * 82C115, MX98715AEC-C, -E 5485 * 5486 * So, what we do here is fake MII-on-SIO or ISV media info, and 5487 * use the ISV media switch get/set functions to handle the rest. 5488 */ 5489 5490 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5491 5492 const struct tulip_mediasw tlp_pmac_mediasw = { 5493 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5494 }; 5495 5496 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5497 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5498 }; 5499 5500 void 5501 tlp_pmac_tmsw_init(sc) 5502 struct tulip_softc *sc; 5503 { 5504 static const u_int8_t media[] = { 5505 TULIP_ROM_MB_MEDIA_TP, 5506 TULIP_ROM_MB_MEDIA_TP_FDX, 5507 TULIP_ROM_MB_MEDIA_100TX, 5508 TULIP_ROM_MB_MEDIA_100TX_FDX, 5509 }; 5510 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5511 5512 sc->sc_mii.mii_ifp = ifp; 5513 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5514 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5515 sc->sc_mii.mii_statchg = sc->sc_statchg; 5516 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5517 tlp_mediastatus); 5518 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5519 sc->sc_chip == TULIP_CHIP_MX98713A) { 5520 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5521 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5522 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5523 sc->sc_flags |= TULIPF_HAS_MII; 5524 sc->sc_tick = tlp_mii_tick; 5525 sc->sc_preinit = tlp_2114x_mii_preinit; 5526 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5527 ifmedia_set(&sc->sc_mii.mii_media, 5528 IFM_ETHER|IFM_AUTO); 5529 return; 5530 } 5531 } 5532 5533 switch (sc->sc_chip) { 5534 case TULIP_CHIP_MX98713: 5535 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5536 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5537 5538 /* 5539 * XXX Should implement auto-sense for this someday, 5540 * XXX when we do the same for the 21140. 5541 */ 5542 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5543 break; 5544 5545 default: 5546 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5547 tlp_sia_get, tlp_sia_set, media, 2); 5548 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5549 tlp_sia_get, tlp_sia_set, media + 2, 2); 5550 5551 /* 5552 * XXX Autonegotiation not yet supported. 5553 */ 5554 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5555 break; 5556 } 5557 5558 tlp_print_media(sc); 5559 tlp_sia_fixup(sc); 5560 5561 /* Set the LED modes. */ 5562 tlp_pmac_reset(sc); 5563 5564 sc->sc_reset = tlp_pmac_reset; 5565 } 5566 5567 /* 5568 * ADMtek AL981 media switch. Only has internal PHY. 5569 */ 5570 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5571 5572 const struct tulip_mediasw tlp_al981_mediasw = { 5573 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5574 }; 5575 5576 void 5577 tlp_al981_tmsw_init(sc) 5578 struct tulip_softc *sc; 5579 { 5580 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5581 5582 sc->sc_mii.mii_ifp = ifp; 5583 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5584 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5585 sc->sc_mii.mii_statchg = sc->sc_statchg; 5586 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5587 tlp_mediastatus); 5588 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5589 MII_OFFSET_ANY, 0); 5590 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5591 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5592 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5593 } else { 5594 sc->sc_flags |= TULIPF_HAS_MII; 5595 sc->sc_tick = tlp_mii_tick; 5596 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5597 } 5598 } 5599 5600 /* 5601 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5602 */ 5603 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5604 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5605 struct ifmediareq *)); 5606 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5607 5608 const struct tulip_mediasw tlp_dm9102_mediasw = { 5609 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5610 tlp_dm9102_tmsw_setmedia 5611 }; 5612 5613 void 5614 tlp_dm9102_tmsw_init(sc) 5615 struct tulip_softc *sc; 5616 { 5617 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5618 u_int32_t opmode; 5619 5620 sc->sc_mii.mii_ifp = ifp; 5621 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5622 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5623 sc->sc_mii.mii_statchg = sc->sc_statchg; 5624 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5625 tlp_mediastatus); 5626 5627 /* PHY block already reset via tlp_reset(). */ 5628 5629 /* 5630 * Configure OPMODE properly for the internal MII interface. 5631 */ 5632 switch (sc->sc_chip) { 5633 case TULIP_CHIP_DM9102: 5634 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5635 break; 5636 5637 case TULIP_CHIP_DM9102A: 5638 opmode = OPMODE_MBO|OPMODE_HBD; 5639 break; 5640 5641 default: 5642 /* Nothing. */ 5643 } 5644 5645 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5646 5647 /* Now, probe the internal MII for the internal PHY. */ 5648 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5649 MII_OFFSET_ANY, 0); 5650 5651 /* 5652 * XXX Figure out what to do about the HomePNA portion 5653 * XXX of the DM9102A. 5654 */ 5655 5656 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5657 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5658 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5659 } else { 5660 sc->sc_flags |= TULIPF_HAS_MII; 5661 sc->sc_tick = tlp_mii_tick; 5662 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5663 } 5664 } 5665 5666 void 5667 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5668 struct tulip_softc *sc; 5669 struct ifmediareq *ifmr; 5670 { 5671 5672 /* XXX HomePNA on DM9102A. */ 5673 tlp_mii_getmedia(sc, ifmr); 5674 } 5675 5676 int 5677 tlp_dm9102_tmsw_setmedia(sc) 5678 struct tulip_softc *sc; 5679 { 5680 5681 /* XXX HomePNA on DM9102A. */ 5682 return (tlp_mii_setmedia(sc)); 5683 } 5684
Indexes created Wed Oct 15 16:09:53 GMT 2025