tulip.c revision 1.124
1 /* $NetBSD: tulip.c,v 1.124 2003/10/25 18:35:43 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000, 2002 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; and by Charles M. Hannum. 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 <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.124 2003/10/25 18:35:43 christos Exp $"); 47 48 #include "bpfilter.h" 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/callout.h> 53 #include <sys/mbuf.h> 54 #include <sys/malloc.h> 55 #include <sys/kernel.h> 56 #include <sys/socket.h> 57 #include <sys/ioctl.h> 58 #include <sys/errno.h> 59 #include <sys/device.h> 60 61 #include <machine/endian.h> 62 63 #include <uvm/uvm_extern.h> 64 65 #include <net/if.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 #include <net/if_ether.h> 69 70 #if NBPFILTER > 0 71 #include <net/bpf.h> 72 #endif 73 74 #include <machine/bus.h> 75 #include <machine/intr.h> 76 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 #include <dev/mii/mii_bitbang.h> 80 81 #include <dev/ic/tulipreg.h> 82 #include <dev/ic/tulipvar.h> 83 84 const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; 85 86 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 87 TLP_TXTHRESH_TAB_10; 88 89 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 90 TLP_TXTHRESH_TAB_10_100; 91 92 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 93 TLP_TXTHRESH_TAB_WINB; 94 95 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_DM9102; 97 98 void tlp_start __P((struct ifnet *)); 99 void tlp_watchdog __P((struct ifnet *)); 100 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 101 int tlp_init __P((struct ifnet *)); 102 void tlp_stop __P((struct ifnet *, int)); 103 104 void tlp_shutdown __P((void *)); 105 106 void tlp_rxdrain __P((struct tulip_softc *)); 107 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 108 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 109 void tlp_srom_idle __P((struct tulip_softc *)); 110 int tlp_srom_size __P((struct tulip_softc *)); 111 112 int tlp_enable __P((struct tulip_softc *)); 113 void tlp_disable __P((struct tulip_softc *)); 114 void tlp_power __P((int, void *)); 115 116 void tlp_filter_setup __P((struct tulip_softc *)); 117 void tlp_winb_filter_setup __P((struct tulip_softc *)); 118 void tlp_al981_filter_setup __P((struct tulip_softc *)); 119 120 void tlp_rxintr __P((struct tulip_softc *)); 121 void tlp_txintr __P((struct tulip_softc *)); 122 123 void tlp_mii_tick __P((void *)); 124 void tlp_mii_statchg __P((struct device *)); 125 void tlp_winb_mii_statchg __P((struct device *)); 126 void tlp_dm9102_mii_statchg __P((struct device *)); 127 128 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 129 int tlp_mii_setmedia __P((struct tulip_softc *)); 130 131 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 132 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 133 134 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 135 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 136 137 int tlp_al981_mii_readreg __P((struct device *, int, int)); 138 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 139 140 void tlp_2114x_preinit __P((struct tulip_softc *)); 141 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 142 void tlp_pnic_preinit __P((struct tulip_softc *)); 143 void tlp_dm9102_preinit __P((struct tulip_softc *)); 144 145 void tlp_21140_reset __P((struct tulip_softc *)); 146 void tlp_21142_reset __P((struct tulip_softc *)); 147 void tlp_pmac_reset __P((struct tulip_softc *)); 148 void tlp_dm9102_reset __P((struct tulip_softc *)); 149 150 void tlp_2114x_nway_tick __P((void *)); 151 152 #define tlp_mchash(addr, sz) \ 153 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 154 155 /* 156 * MII bit-bang glue. 157 */ 158 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 159 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 160 161 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 162 tlp_sio_mii_bitbang_read, 163 tlp_sio_mii_bitbang_write, 164 { 165 MIIROM_MDO, /* MII_BIT_MDO */ 166 MIIROM_MDI, /* MII_BIT_MDI */ 167 MIIROM_MDC, /* MII_BIT_MDC */ 168 0, /* MII_BIT_DIR_HOST_PHY */ 169 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 170 } 171 }; 172 173 #ifdef TLP_DEBUG 174 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 175 printf x 176 #else 177 #define DPRINTF(sc, x) /* nothing */ 178 #endif 179 180 #ifdef TLP_STATS 181 void tlp_print_stats __P((struct tulip_softc *)); 182 #endif 183 184 /* 185 * Can be used to debug the SROM-related things, including contents. 186 * Initialized so that it's patchable. 187 */ 188 int tlp_srom_debug = 0; 189 190 /* 191 * tlp_attach: 192 * 193 * Attach a Tulip interface to the system. 194 */ 195 void 196 tlp_attach(sc, enaddr) 197 struct tulip_softc *sc; 198 const u_int8_t *enaddr; 199 { 200 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 201 int i, error; 202 203 callout_init(&sc->sc_nway_callout); 204 callout_init(&sc->sc_tick_callout); 205 206 /* 207 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 208 */ 209 210 /* 211 * Setup the transmit threshold table. 212 */ 213 switch (sc->sc_chip) { 214 case TULIP_CHIP_DE425: 215 case TULIP_CHIP_21040: 216 case TULIP_CHIP_21041: 217 sc->sc_txth = tlp_10_txthresh_tab; 218 break; 219 220 case TULIP_CHIP_DM9102: 221 case TULIP_CHIP_DM9102A: 222 sc->sc_txth = tlp_dm9102_txthresh_tab; 223 break; 224 225 default: 226 sc->sc_txth = tlp_10_100_txthresh_tab; 227 break; 228 } 229 230 /* 231 * Setup the filter setup function. 232 */ 233 switch (sc->sc_chip) { 234 case TULIP_CHIP_WB89C840F: 235 sc->sc_filter_setup = tlp_winb_filter_setup; 236 break; 237 238 case TULIP_CHIP_AL981: 239 case TULIP_CHIP_AN983: 240 case TULIP_CHIP_AN985: 241 sc->sc_filter_setup = tlp_al981_filter_setup; 242 break; 243 244 default: 245 sc->sc_filter_setup = tlp_filter_setup; 246 break; 247 } 248 249 /* 250 * Set up the media status change function. 251 */ 252 switch (sc->sc_chip) { 253 case TULIP_CHIP_WB89C840F: 254 sc->sc_statchg = tlp_winb_mii_statchg; 255 break; 256 257 case TULIP_CHIP_DM9102: 258 case TULIP_CHIP_DM9102A: 259 sc->sc_statchg = tlp_dm9102_mii_statchg; 260 break; 261 262 default: 263 /* 264 * We may override this if we have special media 265 * handling requirements (e.g. flipping GPIO pins). 266 * 267 * The pure-MII statchg function covers the basics. 268 */ 269 sc->sc_statchg = tlp_mii_statchg; 270 break; 271 } 272 273 /* 274 * Default to no FS|LS in setup packet descriptors. They're 275 * supposed to be zero according to the 21040 and 21143 276 * manuals, and some chips fall over badly if they're 277 * included. Yet, other chips seem to require them. Sigh. 278 */ 279 switch (sc->sc_chip) { 280 case TULIP_CHIP_X3201_3: 281 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 282 break; 283 284 default: 285 sc->sc_setup_fsls = 0; 286 } 287 288 /* 289 * Set up various chip-specific quirks. 290 * 291 * Note that wherever we can, we use the "ring" option for 292 * transmit and receive descriptors. This is because some 293 * clone chips apparently have problems when using chaining, 294 * although some *only* support chaining. 295 * 296 * What we do is always program the "next" pointer, and then 297 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 298 * appropriate places. 299 */ 300 switch (sc->sc_chip) { 301 case TULIP_CHIP_21140: 302 case TULIP_CHIP_21140A: 303 case TULIP_CHIP_21142: 304 case TULIP_CHIP_21143: 305 case TULIP_CHIP_82C115: /* 21143-like */ 306 case TULIP_CHIP_MX98713: /* 21140-like */ 307 case TULIP_CHIP_MX98713A: /* 21143-like */ 308 case TULIP_CHIP_MX98715: /* 21143-like */ 309 case TULIP_CHIP_MX98715A: /* 21143-like */ 310 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 311 case TULIP_CHIP_MX98725: /* 21143-like */ 312 /* 313 * Run these chips in ring mode. 314 */ 315 sc->sc_tdctl_ch = 0; 316 sc->sc_tdctl_er = TDCTL_ER; 317 sc->sc_preinit = tlp_2114x_preinit; 318 break; 319 320 case TULIP_CHIP_82C168: 321 case TULIP_CHIP_82C169: 322 /* 323 * Run these chips in ring mode. 324 */ 325 sc->sc_tdctl_ch = 0; 326 sc->sc_tdctl_er = TDCTL_ER; 327 sc->sc_preinit = tlp_pnic_preinit; 328 329 /* 330 * These chips seem to have busted DMA engines; just put them 331 * in Store-and-Forward mode from the get-go. 332 */ 333 sc->sc_txthresh = TXTH_SF; 334 break; 335 336 case TULIP_CHIP_WB89C840F: 337 /* 338 * Run this chip in chained mode. 339 */ 340 sc->sc_tdctl_ch = TDCTL_CH; 341 sc->sc_tdctl_er = 0; 342 sc->sc_flags |= TULIPF_IC_FS; 343 break; 344 345 case TULIP_CHIP_DM9102: 346 case TULIP_CHIP_DM9102A: 347 /* 348 * Run these chips in chained mode. 349 */ 350 sc->sc_tdctl_ch = TDCTL_CH; 351 sc->sc_tdctl_er = 0; 352 sc->sc_preinit = tlp_dm9102_preinit; 353 354 /* 355 * These chips have a broken bus interface, so we 356 * can't use any optimized bus commands. For this 357 * reason, we tend to underrun pretty quickly, so 358 * just to Store-and-Forward mode from the get-go. 359 */ 360 sc->sc_txthresh = TXTH_DM9102_SF; 361 break; 362 363 default: 364 /* 365 * Default to running in ring mode. 366 */ 367 sc->sc_tdctl_ch = 0; 368 sc->sc_tdctl_er = TDCTL_ER; 369 } 370 371 /* 372 * Set up the MII bit-bang operations. 373 */ 374 switch (sc->sc_chip) { 375 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 376 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 377 break; 378 379 default: 380 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 381 } 382 383 SIMPLEQ_INIT(&sc->sc_txfreeq); 384 SIMPLEQ_INIT(&sc->sc_txdirtyq); 385 386 /* 387 * Allocate the control data structures, and create and load the 388 * DMA map for it. 389 */ 390 if ((error = bus_dmamem_alloc(sc->sc_dmat, 391 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 392 1, &sc->sc_cdnseg, 0)) != 0) { 393 printf("%s: unable to allocate control data, error = %d\n", 394 sc->sc_dev.dv_xname, error); 395 goto fail_0; 396 } 397 398 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 399 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 400 BUS_DMA_COHERENT)) != 0) { 401 printf("%s: unable to map control data, error = %d\n", 402 sc->sc_dev.dv_xname, error); 403 goto fail_1; 404 } 405 406 if ((error = bus_dmamap_create(sc->sc_dmat, 407 sizeof(struct tulip_control_data), 1, 408 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 409 printf("%s: unable to create control data DMA map, " 410 "error = %d\n", sc->sc_dev.dv_xname, error); 411 goto fail_2; 412 } 413 414 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 415 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 416 0)) != 0) { 417 printf("%s: unable to load control data DMA map, error = %d\n", 418 sc->sc_dev.dv_xname, error); 419 goto fail_3; 420 } 421 422 /* 423 * Create the transmit buffer DMA maps. 424 * 425 * Note that on the Xircom clone, transmit buffers must be 426 * 4-byte aligned. We're almost guaranteed to have to copy 427 * the packet in that case, so we just limit ourselves to 428 * one segment. 429 * 430 * On the DM9102, the transmit logic can only handle one 431 * DMA segment. 432 */ 433 switch (sc->sc_chip) { 434 case TULIP_CHIP_X3201_3: 435 case TULIP_CHIP_DM9102: 436 case TULIP_CHIP_DM9102A: 437 sc->sc_ntxsegs = 1; 438 break; 439 440 default: 441 sc->sc_ntxsegs = TULIP_NTXSEGS; 442 } 443 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 444 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 445 sc->sc_ntxsegs, MCLBYTES, 0, 0, 446 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 447 printf("%s: unable to create tx DMA map %d, " 448 "error = %d\n", sc->sc_dev.dv_xname, i, error); 449 goto fail_4; 450 } 451 } 452 453 /* 454 * Create the receive buffer DMA maps. 455 */ 456 for (i = 0; i < TULIP_NRXDESC; i++) { 457 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 458 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 459 printf("%s: unable to create rx DMA map %d, " 460 "error = %d\n", sc->sc_dev.dv_xname, i, error); 461 goto fail_5; 462 } 463 sc->sc_rxsoft[i].rxs_mbuf = NULL; 464 } 465 466 /* 467 * From this point forward, the attachment cannot fail. A failure 468 * before this point releases all resources that may have been 469 * allocated. 470 */ 471 sc->sc_flags |= TULIPF_ATTACHED; 472 473 /* 474 * Reset the chip to a known state. 475 */ 476 tlp_reset(sc); 477 478 /* Announce ourselves. */ 479 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 480 sc->sc_name[0] != '\0' ? sc->sc_name : "", 481 sc->sc_name[0] != '\0' ? ", " : "", 482 ether_sprintf(enaddr)); 483 484 /* 485 * Initialize our media structures. This may probe the MII, if 486 * present. 487 */ 488 (*sc->sc_mediasw->tmsw_init)(sc); 489 490 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 491 ifp->if_softc = sc; 492 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 493 ifp->if_ioctl = tlp_ioctl; 494 ifp->if_start = tlp_start; 495 ifp->if_watchdog = tlp_watchdog; 496 ifp->if_init = tlp_init; 497 ifp->if_stop = tlp_stop; 498 IFQ_SET_READY(&ifp->if_snd); 499 500 /* 501 * We can support 802.1Q VLAN-sized frames. 502 */ 503 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 504 505 /* 506 * Attach the interface. 507 */ 508 if_attach(ifp); 509 ether_ifattach(ifp, enaddr); 510 #if NRND > 0 511 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 512 RND_TYPE_NET, 0); 513 #endif 514 515 /* 516 * Make sure the interface is shutdown during reboot. 517 */ 518 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 519 if (sc->sc_sdhook == NULL) 520 printf("%s: WARNING: unable to establish shutdown hook\n", 521 sc->sc_dev.dv_xname); 522 523 /* 524 * Add a suspend hook to make sure we come back up after a 525 * resume. 526 */ 527 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 528 if (sc->sc_powerhook == NULL) 529 printf("%s: WARNING: unable to establish power hook\n", 530 sc->sc_dev.dv_xname); 531 return; 532 533 /* 534 * Free any resources we've allocated during the failed attach 535 * attempt. Do this in reverse order and fall through. 536 */ 537 fail_5: 538 for (i = 0; i < TULIP_NRXDESC; i++) { 539 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 540 bus_dmamap_destroy(sc->sc_dmat, 541 sc->sc_rxsoft[i].rxs_dmamap); 542 } 543 fail_4: 544 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 545 if (sc->sc_txsoft[i].txs_dmamap != NULL) 546 bus_dmamap_destroy(sc->sc_dmat, 547 sc->sc_txsoft[i].txs_dmamap); 548 } 549 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 550 fail_3: 551 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 552 fail_2: 553 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 554 sizeof(struct tulip_control_data)); 555 fail_1: 556 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 557 fail_0: 558 return; 559 } 560 561 /* 562 * tlp_activate: 563 * 564 * Handle device activation/deactivation requests. 565 */ 566 int 567 tlp_activate(self, act) 568 struct device *self; 569 enum devact act; 570 { 571 struct tulip_softc *sc = (void *) self; 572 int s, error = 0; 573 574 s = splnet(); 575 switch (act) { 576 case DVACT_ACTIVATE: 577 error = EOPNOTSUPP; 578 break; 579 580 case DVACT_DEACTIVATE: 581 if (sc->sc_flags & TULIPF_HAS_MII) 582 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 583 MII_OFFSET_ANY); 584 if_deactivate(&sc->sc_ethercom.ec_if); 585 break; 586 } 587 splx(s); 588 589 return (error); 590 } 591 592 /* 593 * tlp_detach: 594 * 595 * Detach a Tulip interface. 596 */ 597 int 598 tlp_detach(sc) 599 struct tulip_softc *sc; 600 { 601 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 602 struct tulip_rxsoft *rxs; 603 struct tulip_txsoft *txs; 604 int i; 605 606 /* 607 * Succeed now if there isn't any work to do. 608 */ 609 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 610 return (0); 611 612 /* Unhook our tick handler. */ 613 if (sc->sc_tick) 614 callout_stop(&sc->sc_tick_callout); 615 616 if (sc->sc_flags & TULIPF_HAS_MII) { 617 /* Detach all PHYs */ 618 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 619 } 620 621 /* Delete all remaining media. */ 622 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 623 624 #if NRND > 0 625 rnd_detach_source(&sc->sc_rnd_source); 626 #endif 627 ether_ifdetach(ifp); 628 if_detach(ifp); 629 630 for (i = 0; i < TULIP_NRXDESC; i++) { 631 rxs = &sc->sc_rxsoft[i]; 632 if (rxs->rxs_mbuf != NULL) { 633 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 634 m_freem(rxs->rxs_mbuf); 635 rxs->rxs_mbuf = NULL; 636 } 637 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 638 } 639 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 640 txs = &sc->sc_txsoft[i]; 641 if (txs->txs_mbuf != NULL) { 642 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 643 m_freem(txs->txs_mbuf); 644 txs->txs_mbuf = NULL; 645 } 646 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 647 } 648 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 649 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 650 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 651 sizeof(struct tulip_control_data)); 652 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 653 654 shutdownhook_disestablish(sc->sc_sdhook); 655 powerhook_disestablish(sc->sc_powerhook); 656 657 if (sc->sc_srom) 658 free(sc->sc_srom, M_DEVBUF); 659 660 return (0); 661 } 662 663 /* 664 * tlp_shutdown: 665 * 666 * Make sure the interface is stopped at reboot time. 667 */ 668 void 669 tlp_shutdown(arg) 670 void *arg; 671 { 672 struct tulip_softc *sc = arg; 673 674 tlp_stop(&sc->sc_ethercom.ec_if, 1); 675 } 676 677 /* 678 * tlp_start: [ifnet interface function] 679 * 680 * Start packet transmission on the interface. 681 */ 682 void 683 tlp_start(ifp) 684 struct ifnet *ifp; 685 { 686 struct tulip_softc *sc = ifp->if_softc; 687 struct mbuf *m0, *m; 688 struct tulip_txsoft *txs, *last_txs = NULL; 689 bus_dmamap_t dmamap; 690 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 691 692 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 693 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 694 695 /* 696 * If we want a filter setup, it means no more descriptors were 697 * available for the setup routine. Let it get a chance to wedge 698 * itself into the ring. 699 */ 700 if (sc->sc_flags & TULIPF_WANT_SETUP) 701 ifp->if_flags |= IFF_OACTIVE; 702 703 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 704 return; 705 706 if (sc->sc_tick == tlp_2114x_nway_tick && 707 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 708 return; 709 710 /* 711 * Remember the previous number of free descriptors and 712 * the first descriptor we'll use. 713 */ 714 ofree = sc->sc_txfree; 715 firsttx = sc->sc_txnext; 716 717 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 718 sc->sc_dev.dv_xname, ofree, firsttx)); 719 720 /* 721 * Loop through the send queue, setting up transmit descriptors 722 * until we drain the queue, or use up all available transmit 723 * descriptors. 724 */ 725 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 726 sc->sc_txfree != 0) { 727 /* 728 * Grab a packet off the queue. 729 */ 730 IFQ_POLL(&ifp->if_snd, m0); 731 if (m0 == NULL) 732 break; 733 m = NULL; 734 735 dmamap = txs->txs_dmamap; 736 737 /* 738 * Load the DMA map. If this fails, the packet either 739 * didn't fit in the alloted number of segments, or we were 740 * short on resources. In this case, we'll copy and try 741 * again. 742 * 743 * Note that if we're only allowed 1 Tx segment, we 744 * have an alignment restriction. Do this test before 745 * attempting to load the DMA map, because it's more 746 * likely we'll trip the alignment test than the 747 * more-than-one-segment test. 748 */ 749 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 750 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 751 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 752 MGETHDR(m, M_DONTWAIT, MT_DATA); 753 if (m == NULL) { 754 printf("%s: unable to allocate Tx mbuf\n", 755 sc->sc_dev.dv_xname); 756 break; 757 } 758 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 759 if (m0->m_pkthdr.len > MHLEN) { 760 MCLGET(m, M_DONTWAIT); 761 if ((m->m_flags & M_EXT) == 0) { 762 printf("%s: unable to allocate Tx " 763 "cluster\n", sc->sc_dev.dv_xname); 764 m_freem(m); 765 break; 766 } 767 } 768 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 769 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 770 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 771 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 772 if (error) { 773 printf("%s: unable to load Tx buffer, " 774 "error = %d\n", sc->sc_dev.dv_xname, error); 775 break; 776 } 777 } 778 779 /* 780 * Ensure we have enough descriptors free to describe 781 * the packet. 782 */ 783 if (dmamap->dm_nsegs > sc->sc_txfree) { 784 /* 785 * Not enough free descriptors to transmit this 786 * packet. We haven't committed to anything yet, 787 * so just unload the DMA map, put the packet 788 * back on the queue, and punt. Notify the upper 789 * layer that there are no more slots left. 790 * 791 * XXX We could allocate an mbuf and copy, but 792 * XXX it is worth it? 793 */ 794 ifp->if_flags |= IFF_OACTIVE; 795 bus_dmamap_unload(sc->sc_dmat, dmamap); 796 if (m != NULL) 797 m_freem(m); 798 break; 799 } 800 801 IFQ_DEQUEUE(&ifp->if_snd, m0); 802 if (m != NULL) { 803 m_freem(m0); 804 m0 = m; 805 } 806 807 /* 808 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 809 */ 810 811 /* Sync the DMA map. */ 812 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 813 BUS_DMASYNC_PREWRITE); 814 815 /* 816 * Initialize the transmit descriptors. 817 */ 818 for (nexttx = sc->sc_txnext, seg = 0; 819 seg < dmamap->dm_nsegs; 820 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 821 /* 822 * If this is the first descriptor we're 823 * enqueueing, don't set the OWN bit just 824 * yet. That could cause a race condition. 825 * We'll do it below. 826 */ 827 sc->sc_txdescs[nexttx].td_status = 828 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 829 sc->sc_txdescs[nexttx].td_bufaddr1 = 830 htole32(dmamap->dm_segs[seg].ds_addr); 831 sc->sc_txdescs[nexttx].td_ctl = 832 htole32((dmamap->dm_segs[seg].ds_len << 833 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 834 (nexttx == (TULIP_NTXDESC - 1) ? 835 sc->sc_tdctl_er : 0)); 836 lasttx = nexttx; 837 } 838 839 KASSERT(lasttx != -1); 840 841 /* Set `first segment' and `last segment' appropriately. */ 842 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 843 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 844 845 #ifdef TLP_DEBUG 846 if (ifp->if_flags & IFF_DEBUG) { 847 printf(" txsoft %p transmit chain:\n", txs); 848 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 849 printf(" descriptor %d:\n", seg); 850 printf(" td_status: 0x%08x\n", 851 le32toh(sc->sc_txdescs[seg].td_status)); 852 printf(" td_ctl: 0x%08x\n", 853 le32toh(sc->sc_txdescs[seg].td_ctl)); 854 printf(" td_bufaddr1: 0x%08x\n", 855 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 856 printf(" td_bufaddr2: 0x%08x\n", 857 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 858 if (seg == lasttx) 859 break; 860 } 861 } 862 #endif 863 864 /* Sync the descriptors we're using. */ 865 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 866 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 867 868 /* 869 * Store a pointer to the packet so we can free it later, 870 * and remember what txdirty will be once the packet is 871 * done. 872 */ 873 txs->txs_mbuf = m0; 874 txs->txs_firstdesc = sc->sc_txnext; 875 txs->txs_lastdesc = lasttx; 876 txs->txs_ndescs = dmamap->dm_nsegs; 877 878 /* Advance the tx pointer. */ 879 sc->sc_txfree -= dmamap->dm_nsegs; 880 sc->sc_txnext = nexttx; 881 882 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 883 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 884 885 last_txs = txs; 886 887 #if NBPFILTER > 0 888 /* 889 * Pass the packet to any BPF listeners. 890 */ 891 if (ifp->if_bpf) 892 bpf_mtap(ifp->if_bpf, m0); 893 #endif /* NBPFILTER > 0 */ 894 } 895 896 if (txs == NULL || sc->sc_txfree == 0) { 897 /* No more slots left; notify upper layer. */ 898 ifp->if_flags |= IFF_OACTIVE; 899 } 900 901 if (sc->sc_txfree != ofree) { 902 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 903 sc->sc_dev.dv_xname, lasttx, firsttx)); 904 /* 905 * Cause a transmit interrupt to happen on the 906 * last packet we enqueued. 907 */ 908 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 909 TULIP_CDTXSYNC(sc, lasttx, 1, 910 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 911 912 /* 913 * Some clone chips want IC on the *first* segment in 914 * the packet. Appease them. 915 */ 916 KASSERT(last_txs != NULL); 917 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 918 last_txs->txs_firstdesc != lasttx) { 919 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 920 htole32(TDCTL_Tx_IC); 921 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 922 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 923 } 924 925 /* 926 * The entire packet chain is set up. Give the 927 * first descriptor to the chip now. 928 */ 929 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 930 TULIP_CDTXSYNC(sc, firsttx, 1, 931 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 932 933 /* Wake up the transmitter. */ 934 /* XXX USE AUTOPOLLING? */ 935 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 936 937 /* Set a watchdog timer in case the chip flakes out. */ 938 ifp->if_timer = 5; 939 } 940 } 941 942 /* 943 * tlp_watchdog: [ifnet interface function] 944 * 945 * Watchdog timer handler. 946 */ 947 void 948 tlp_watchdog(ifp) 949 struct ifnet *ifp; 950 { 951 struct tulip_softc *sc = ifp->if_softc; 952 int doing_setup, doing_transmit; 953 954 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 955 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 956 957 if (doing_setup && doing_transmit) { 958 printf("%s: filter setup and transmit timeout\n", 959 sc->sc_dev.dv_xname); 960 ifp->if_oerrors++; 961 } else if (doing_transmit) { 962 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 963 ifp->if_oerrors++; 964 } else if (doing_setup) 965 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 966 else 967 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 968 969 (void) tlp_init(ifp); 970 971 /* Try to get more packets going. */ 972 tlp_start(ifp); 973 } 974 975 /* 976 * tlp_ioctl: [ifnet interface function] 977 * 978 * Handle control requests from the operator. 979 */ 980 int 981 tlp_ioctl(ifp, cmd, data) 982 struct ifnet *ifp; 983 u_long cmd; 984 caddr_t data; 985 { 986 struct tulip_softc *sc = ifp->if_softc; 987 struct ifreq *ifr = (struct ifreq *)data; 988 int s, error; 989 990 s = splnet(); 991 992 switch (cmd) { 993 case SIOCSIFMEDIA: 994 case SIOCGIFMEDIA: 995 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 996 break; 997 998 default: 999 error = ether_ioctl(ifp, cmd, data); 1000 if (error == ENETRESET) { 1001 if (TULIP_IS_ENABLED(sc)) { 1002 /* 1003 * Multicast list has changed. Set the 1004 * hardware filter accordingly. 1005 */ 1006 (*sc->sc_filter_setup)(sc); 1007 } 1008 error = 0; 1009 } 1010 break; 1011 } 1012 1013 /* Try to get more packets going. */ 1014 if (TULIP_IS_ENABLED(sc)) 1015 tlp_start(ifp); 1016 1017 splx(s); 1018 return (error); 1019 } 1020 1021 /* 1022 * tlp_intr: 1023 * 1024 * Interrupt service routine. 1025 */ 1026 int 1027 tlp_intr(arg) 1028 void *arg; 1029 { 1030 struct tulip_softc *sc = arg; 1031 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1032 u_int32_t status, rxstatus, txstatus; 1033 int handled = 0, txthresh; 1034 1035 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1036 1037 #ifdef DEBUG 1038 if (TULIP_IS_ENABLED(sc) == 0) 1039 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname); 1040 #endif 1041 1042 /* 1043 * If the interface isn't running, the interrupt couldn't 1044 * possibly have come from us. 1045 */ 1046 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1047 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1048 return (0); 1049 1050 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1051 switch (sc->sc_chip) { 1052 case TULIP_CHIP_DM9102: 1053 case TULIP_CHIP_DM9102A: 1054 TULIP_WRITE(sc, CSR_INTEN, 0); 1055 break; 1056 1057 default: 1058 /* Nothing. */ 1059 break; 1060 } 1061 1062 for (;;) { 1063 status = TULIP_READ(sc, CSR_STATUS); 1064 if (status) 1065 TULIP_WRITE(sc, CSR_STATUS, status); 1066 1067 if ((status & sc->sc_inten) == 0) 1068 break; 1069 1070 handled = 1; 1071 1072 rxstatus = status & sc->sc_rxint_mask; 1073 txstatus = status & sc->sc_txint_mask; 1074 1075 if (rxstatus) { 1076 /* Grab new any new packets. */ 1077 tlp_rxintr(sc); 1078 1079 if (rxstatus & STATUS_RWT) 1080 printf("%s: receive watchdog timeout\n", 1081 sc->sc_dev.dv_xname); 1082 1083 if (rxstatus & STATUS_RU) { 1084 printf("%s: receive ring overrun\n", 1085 sc->sc_dev.dv_xname); 1086 /* Get the receive process going again. */ 1087 if (sc->sc_tdctl_er != TDCTL_ER) { 1088 tlp_idle(sc, OPMODE_SR); 1089 TULIP_WRITE(sc, CSR_RXLIST, 1090 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1091 TULIP_WRITE(sc, CSR_OPMODE, 1092 sc->sc_opmode); 1093 } 1094 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1095 break; 1096 } 1097 } 1098 1099 if (txstatus) { 1100 /* Sweep up transmit descriptors. */ 1101 tlp_txintr(sc); 1102 1103 if (txstatus & STATUS_TJT) 1104 printf("%s: transmit jabber timeout\n", 1105 sc->sc_dev.dv_xname); 1106 1107 if (txstatus & STATUS_UNF) { 1108 /* 1109 * Increase our transmit threshold if 1110 * another is available. 1111 */ 1112 txthresh = sc->sc_txthresh + 1; 1113 if (sc->sc_txth[txthresh].txth_name != NULL) { 1114 /* Idle the transmit process. */ 1115 tlp_idle(sc, OPMODE_ST); 1116 1117 sc->sc_txthresh = txthresh; 1118 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1119 sc->sc_opmode |= 1120 sc->sc_txth[txthresh].txth_opmode; 1121 printf("%s: transmit underrun; new " 1122 "threshold: %s\n", 1123 sc->sc_dev.dv_xname, 1124 sc->sc_txth[txthresh].txth_name); 1125 1126 /* 1127 * Set the new threshold and restart 1128 * the transmit process. 1129 */ 1130 TULIP_WRITE(sc, CSR_OPMODE, 1131 sc->sc_opmode); 1132 } 1133 /* 1134 * XXX Log every Nth underrun from 1135 * XXX now on? 1136 */ 1137 } 1138 } 1139 1140 if (status & (STATUS_TPS|STATUS_RPS)) { 1141 if (status & STATUS_TPS) 1142 printf("%s: transmit process stopped\n", 1143 sc->sc_dev.dv_xname); 1144 if (status & STATUS_RPS) 1145 printf("%s: receive process stopped\n", 1146 sc->sc_dev.dv_xname); 1147 (void) tlp_init(ifp); 1148 break; 1149 } 1150 1151 if (status & STATUS_SE) { 1152 const char *str; 1153 switch (status & STATUS_EB) { 1154 case STATUS_EB_PARITY: 1155 str = "parity error"; 1156 break; 1157 1158 case STATUS_EB_MABT: 1159 str = "master abort"; 1160 break; 1161 1162 case STATUS_EB_TABT: 1163 str = "target abort"; 1164 break; 1165 1166 default: 1167 str = "unknown error"; 1168 break; 1169 } 1170 printf("%s: fatal system error: %s\n", 1171 sc->sc_dev.dv_xname, str); 1172 (void) tlp_init(ifp); 1173 break; 1174 } 1175 1176 /* 1177 * Not handled: 1178 * 1179 * Transmit buffer unavailable -- normal 1180 * condition, nothing to do, really. 1181 * 1182 * General purpose timer experied -- we don't 1183 * use the general purpose timer. 1184 * 1185 * Early receive interrupt -- not available on 1186 * all chips, we just use RI. We also only 1187 * use single-segment receive DMA, so this 1188 * is mostly useless. 1189 */ 1190 } 1191 1192 /* Bring interrupts back up on the DM9102. */ 1193 switch (sc->sc_chip) { 1194 case TULIP_CHIP_DM9102: 1195 case TULIP_CHIP_DM9102A: 1196 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1197 break; 1198 1199 default: 1200 /* Nothing. */ 1201 break; 1202 } 1203 1204 /* Try to get more packets going. */ 1205 tlp_start(ifp); 1206 1207 #if NRND > 0 1208 if (handled) 1209 rnd_add_uint32(&sc->sc_rnd_source, status); 1210 #endif 1211 return (handled); 1212 } 1213 1214 /* 1215 * tlp_rxintr: 1216 * 1217 * Helper; handle receive interrupts. 1218 */ 1219 void 1220 tlp_rxintr(sc) 1221 struct tulip_softc *sc; 1222 { 1223 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1224 struct ether_header *eh; 1225 struct tulip_rxsoft *rxs; 1226 struct mbuf *m; 1227 u_int32_t rxstat; 1228 int i, len; 1229 1230 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1231 rxs = &sc->sc_rxsoft[i]; 1232 1233 TULIP_CDRXSYNC(sc, i, 1234 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1235 1236 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1237 1238 if (rxstat & TDSTAT_OWN) { 1239 /* 1240 * We have processed all of the receive buffers. 1241 */ 1242 break; 1243 } 1244 1245 /* 1246 * Make sure the packet fit in one buffer. This should 1247 * always be the case. But the Lite-On PNIC, rev 33 1248 * has an awful receive engine bug, which may require 1249 * a very icky work-around. 1250 */ 1251 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1252 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1253 printf("%s: incoming packet spilled, resetting\n", 1254 sc->sc_dev.dv_xname); 1255 (void) tlp_init(ifp); 1256 return; 1257 } 1258 1259 /* 1260 * If any collisions were seen on the wire, count one. 1261 */ 1262 if (rxstat & TDSTAT_Rx_CS) 1263 ifp->if_collisions++; 1264 1265 /* 1266 * If an error occurred, update stats, clear the status 1267 * word, and leave the packet buffer in place. It will 1268 * simply be reused the next time the ring comes around. 1269 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1270 * error. 1271 */ 1272 if (rxstat & TDSTAT_ES && 1273 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1274 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1275 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1276 #define PRINTERR(bit, str) \ 1277 if (rxstat & (bit)) \ 1278 printf("%s: receive error: %s\n", \ 1279 sc->sc_dev.dv_xname, str) 1280 ifp->if_ierrors++; 1281 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1282 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1283 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1284 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1285 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1286 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1287 #undef PRINTERR 1288 TULIP_INIT_RXDESC(sc, i); 1289 continue; 1290 } 1291 1292 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1293 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1294 1295 /* 1296 * No errors; receive the packet. Note the Tulip 1297 * includes the CRC with every packet. 1298 */ 1299 len = TDSTAT_Rx_LENGTH(rxstat); 1300 1301 #ifdef __NO_STRICT_ALIGNMENT 1302 /* 1303 * Allocate a new mbuf cluster. If that fails, we are 1304 * out of memory, and must drop the packet and recycle 1305 * the buffer that's already attached to this descriptor. 1306 */ 1307 m = rxs->rxs_mbuf; 1308 if (tlp_add_rxbuf(sc, i) != 0) { 1309 ifp->if_ierrors++; 1310 TULIP_INIT_RXDESC(sc, i); 1311 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1312 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1313 continue; 1314 } 1315 #else 1316 /* 1317 * The Tulip's receive buffers must be 4-byte aligned. 1318 * But this means that the data after the Ethernet header 1319 * is misaligned. We must allocate a new buffer and 1320 * copy the data, shifted forward 2 bytes. 1321 */ 1322 MGETHDR(m, M_DONTWAIT, MT_DATA); 1323 if (m == NULL) { 1324 dropit: 1325 ifp->if_ierrors++; 1326 TULIP_INIT_RXDESC(sc, i); 1327 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1328 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1329 continue; 1330 } 1331 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1332 if (len > (MHLEN - 2)) { 1333 MCLGET(m, M_DONTWAIT); 1334 if ((m->m_flags & M_EXT) == 0) { 1335 m_freem(m); 1336 goto dropit; 1337 } 1338 } 1339 m->m_data += 2; 1340 1341 /* 1342 * Note that we use clusters for incoming frames, so the 1343 * buffer is virtually contiguous. 1344 */ 1345 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1346 1347 /* Allow the receive descriptor to continue using its mbuf. */ 1348 TULIP_INIT_RXDESC(sc, i); 1349 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1350 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1351 #endif /* __NO_STRICT_ALIGNMENT */ 1352 1353 ifp->if_ipackets++; 1354 eh = mtod(m, struct ether_header *); 1355 m->m_flags |= M_HASFCS; 1356 m->m_pkthdr.rcvif = ifp; 1357 m->m_pkthdr.len = m->m_len = len; 1358 1359 #if NBPFILTER > 0 1360 /* 1361 * Pass this up to any BPF listeners, but only 1362 * pass it up the stack if its for us. 1363 */ 1364 if (ifp->if_bpf) 1365 bpf_mtap(ifp->if_bpf, m); 1366 #endif /* NPBFILTER > 0 */ 1367 1368 /* 1369 * We sometimes have to run the 21140 in Hash-Only 1370 * mode. If we're in that mode, and not in promiscuous 1371 * mode, and we have a unicast packet that isn't for 1372 * us, then drop it. 1373 */ 1374 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1375 (ifp->if_flags & IFF_PROMISC) == 0 && 1376 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1377 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1378 ETHER_ADDR_LEN) != 0) { 1379 m_freem(m); 1380 continue; 1381 } 1382 1383 /* Pass it on. */ 1384 (*ifp->if_input)(ifp, m); 1385 } 1386 1387 /* Update the receive pointer. */ 1388 sc->sc_rxptr = i; 1389 } 1390 1391 /* 1392 * tlp_txintr: 1393 * 1394 * Helper; handle transmit interrupts. 1395 */ 1396 void 1397 tlp_txintr(sc) 1398 struct tulip_softc *sc; 1399 { 1400 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1401 struct tulip_txsoft *txs; 1402 u_int32_t txstat; 1403 1404 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1405 sc->sc_dev.dv_xname, sc->sc_flags)); 1406 1407 ifp->if_flags &= ~IFF_OACTIVE; 1408 1409 /* 1410 * Go through our Tx list and free mbufs for those 1411 * frames that have been transmitted. 1412 */ 1413 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1414 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1415 txs->txs_ndescs, 1416 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1417 1418 #ifdef TLP_DEBUG 1419 if (ifp->if_flags & IFF_DEBUG) { 1420 int i; 1421 printf(" txsoft %p transmit chain:\n", txs); 1422 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1423 printf(" descriptor %d:\n", i); 1424 printf(" td_status: 0x%08x\n", 1425 le32toh(sc->sc_txdescs[i].td_status)); 1426 printf(" td_ctl: 0x%08x\n", 1427 le32toh(sc->sc_txdescs[i].td_ctl)); 1428 printf(" td_bufaddr1: 0x%08x\n", 1429 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1430 printf(" td_bufaddr2: 0x%08x\n", 1431 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1432 if (i == txs->txs_lastdesc) 1433 break; 1434 } 1435 } 1436 #endif 1437 1438 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1439 if (txstat & TDSTAT_OWN) 1440 break; 1441 1442 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1443 1444 sc->sc_txfree += txs->txs_ndescs; 1445 1446 if (txs->txs_mbuf == NULL) { 1447 /* 1448 * If we didn't have an mbuf, it was the setup 1449 * packet. 1450 */ 1451 #ifdef DIAGNOSTIC 1452 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1453 panic("tlp_txintr: null mbuf, not doing setup"); 1454 #endif 1455 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1456 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1457 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1458 continue; 1459 } 1460 1461 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1462 0, txs->txs_dmamap->dm_mapsize, 1463 BUS_DMASYNC_POSTWRITE); 1464 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1465 m_freem(txs->txs_mbuf); 1466 txs->txs_mbuf = NULL; 1467 1468 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1469 1470 /* 1471 * Check for errors and collisions. 1472 */ 1473 #ifdef TLP_STATS 1474 if (txstat & TDSTAT_Tx_UF) 1475 sc->sc_stats.ts_tx_uf++; 1476 if (txstat & TDSTAT_Tx_TO) 1477 sc->sc_stats.ts_tx_to++; 1478 if (txstat & TDSTAT_Tx_EC) 1479 sc->sc_stats.ts_tx_ec++; 1480 if (txstat & TDSTAT_Tx_LC) 1481 sc->sc_stats.ts_tx_lc++; 1482 #endif 1483 1484 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1485 ifp->if_oerrors++; 1486 1487 if (txstat & TDSTAT_Tx_EC) 1488 ifp->if_collisions += 16; 1489 else 1490 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1491 if (txstat & TDSTAT_Tx_LC) 1492 ifp->if_collisions++; 1493 1494 ifp->if_opackets++; 1495 } 1496 1497 /* 1498 * If there are no more pending transmissions, cancel the watchdog 1499 * timer. 1500 */ 1501 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1502 ifp->if_timer = 0; 1503 1504 /* 1505 * If we have a receive filter setup pending, do it now. 1506 */ 1507 if (sc->sc_flags & TULIPF_WANT_SETUP) 1508 (*sc->sc_filter_setup)(sc); 1509 } 1510 1511 #ifdef TLP_STATS 1512 void 1513 tlp_print_stats(sc) 1514 struct tulip_softc *sc; 1515 { 1516 1517 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1518 sc->sc_dev.dv_xname, 1519 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1520 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1521 } 1522 #endif 1523 1524 /* 1525 * tlp_reset: 1526 * 1527 * Perform a soft reset on the Tulip. 1528 */ 1529 void 1530 tlp_reset(sc) 1531 struct tulip_softc *sc; 1532 { 1533 int i; 1534 1535 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1536 1537 /* 1538 * Xircom clone doesn't bring itself out of reset automatically. 1539 * Instead, we have to wait at least 50 PCI cycles, and then 1540 * clear SWR. 1541 */ 1542 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1543 delay(10); 1544 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1545 } 1546 1547 for (i = 0; i < 1000; i++) { 1548 /* 1549 * Wait at least 50 PCI cycles for the reset to 1550 * complete before peeking at the Tulip again. 1551 * 10 uSec is a bit longer than 50 PCI cycles 1552 * (at 33MHz), but it doesn't hurt have the extra 1553 * wait. 1554 */ 1555 delay(10); 1556 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1557 break; 1558 } 1559 1560 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1561 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1562 1563 delay(1000); 1564 1565 /* 1566 * If the board has any GPIO reset sequences to issue, do them now. 1567 */ 1568 if (sc->sc_reset != NULL) 1569 (*sc->sc_reset)(sc); 1570 } 1571 1572 /* 1573 * tlp_init: [ ifnet interface function ] 1574 * 1575 * Initialize the interface. Must be called at splnet(). 1576 */ 1577 int 1578 tlp_init(ifp) 1579 struct ifnet *ifp; 1580 { 1581 struct tulip_softc *sc = ifp->if_softc; 1582 struct tulip_txsoft *txs; 1583 struct tulip_rxsoft *rxs; 1584 int i, error = 0; 1585 1586 if ((error = tlp_enable(sc)) != 0) 1587 goto out; 1588 1589 /* 1590 * Cancel any pending I/O. 1591 */ 1592 tlp_stop(ifp, 0); 1593 1594 /* 1595 * Initialize `opmode' to 0, and call the pre-init routine, if 1596 * any. This is required because the 2114x and some of the 1597 * clones require that the media-related bits in `opmode' be 1598 * set before performing a soft-reset in order to get internal 1599 * chip pathways are correct. Yay! 1600 */ 1601 sc->sc_opmode = 0; 1602 if (sc->sc_preinit != NULL) 1603 (*sc->sc_preinit)(sc); 1604 1605 /* 1606 * Reset the Tulip to a known state. 1607 */ 1608 tlp_reset(sc); 1609 1610 /* 1611 * Initialize the BUSMODE register. 1612 */ 1613 sc->sc_busmode = BUSMODE_BAR; 1614 switch (sc->sc_chip) { 1615 case TULIP_CHIP_21140: 1616 case TULIP_CHIP_21140A: 1617 case TULIP_CHIP_21142: 1618 case TULIP_CHIP_21143: 1619 case TULIP_CHIP_82C115: 1620 case TULIP_CHIP_MX98725: 1621 /* 1622 * If we're allowed to do so, use Memory Read Line 1623 * and Memory Read Multiple. 1624 * 1625 * XXX Should we use Memory Write and Invalidate? 1626 */ 1627 if (sc->sc_flags & TULIPF_MRL) 1628 sc->sc_busmode |= BUSMODE_RLE; 1629 if (sc->sc_flags & TULIPF_MRM) 1630 sc->sc_busmode |= BUSMODE_RME; 1631 #if 0 1632 if (sc->sc_flags & TULIPF_MWI) 1633 sc->sc_busmode |= BUSMODE_WLE; 1634 #endif 1635 break; 1636 1637 case TULIP_CHIP_82C168: 1638 case TULIP_CHIP_82C169: 1639 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1640 if (sc->sc_maxburst == 0) 1641 sc->sc_maxburst = 16; 1642 break; 1643 1644 default: 1645 /* Nothing. */ 1646 break; 1647 } 1648 switch (sc->sc_cacheline) { 1649 default: 1650 /* 1651 * Note: We must *always* set these bits; a cache 1652 * alignment of 0 is RESERVED. 1653 */ 1654 case 8: 1655 sc->sc_busmode |= BUSMODE_CAL_8LW; 1656 break; 1657 case 16: 1658 sc->sc_busmode |= BUSMODE_CAL_16LW; 1659 break; 1660 case 32: 1661 sc->sc_busmode |= BUSMODE_CAL_32LW; 1662 break; 1663 } 1664 switch (sc->sc_maxburst) { 1665 case 1: 1666 sc->sc_busmode |= BUSMODE_PBL_1LW; 1667 break; 1668 case 2: 1669 sc->sc_busmode |= BUSMODE_PBL_2LW; 1670 break; 1671 case 4: 1672 sc->sc_busmode |= BUSMODE_PBL_4LW; 1673 break; 1674 case 8: 1675 sc->sc_busmode |= BUSMODE_PBL_8LW; 1676 break; 1677 case 16: 1678 sc->sc_busmode |= BUSMODE_PBL_16LW; 1679 break; 1680 case 32: 1681 sc->sc_busmode |= BUSMODE_PBL_32LW; 1682 break; 1683 default: 1684 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1685 break; 1686 } 1687 #if BYTE_ORDER == BIG_ENDIAN 1688 /* 1689 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1690 * support them, and even on ones that do, it doesn't 1691 * always work. So we always access descriptors with 1692 * little endian via htole32/le32toh. 1693 */ 1694 #endif 1695 /* 1696 * Big-endian bus requires BUSMODE_BLE anyway. 1697 * Also, BUSMODE_DBO is needed because we assume 1698 * descriptors are little endian. 1699 */ 1700 if (sc->sc_flags & TULIPF_BLE) 1701 sc->sc_busmode |= BUSMODE_BLE; 1702 if (sc->sc_flags & TULIPF_DBO) 1703 sc->sc_busmode |= BUSMODE_DBO; 1704 1705 /* 1706 * Some chips have a broken bus interface. 1707 */ 1708 switch (sc->sc_chip) { 1709 case TULIP_CHIP_DM9102: 1710 case TULIP_CHIP_DM9102A: 1711 sc->sc_busmode = 0; 1712 break; 1713 1714 default: 1715 /* Nothing. */ 1716 break; 1717 } 1718 1719 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1720 1721 /* 1722 * Initialize the OPMODE register. We don't write it until 1723 * we're ready to begin the transmit and receive processes. 1724 * 1725 * Media-related OPMODE bits are set in the media callbacks 1726 * for each specific chip/board. 1727 */ 1728 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1729 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1730 1731 /* 1732 * Magical mystery initialization on the Macronix chips. 1733 * The MX98713 uses its own magic value, the rest share 1734 * a common one. 1735 */ 1736 switch (sc->sc_chip) { 1737 case TULIP_CHIP_MX98713: 1738 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1739 break; 1740 1741 case TULIP_CHIP_MX98713A: 1742 case TULIP_CHIP_MX98715: 1743 case TULIP_CHIP_MX98715A: 1744 case TULIP_CHIP_MX98715AEC_X: 1745 case TULIP_CHIP_MX98725: 1746 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1747 break; 1748 1749 default: 1750 /* Nothing. */ 1751 break; 1752 } 1753 1754 /* 1755 * Initialize the transmit descriptor ring. 1756 */ 1757 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1758 for (i = 0; i < TULIP_NTXDESC; i++) { 1759 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1760 sc->sc_txdescs[i].td_bufaddr2 = 1761 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1762 } 1763 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1764 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1765 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1766 sc->sc_txfree = TULIP_NTXDESC; 1767 sc->sc_txnext = 0; 1768 1769 /* 1770 * Initialize the transmit job descriptors. 1771 */ 1772 SIMPLEQ_INIT(&sc->sc_txfreeq); 1773 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1774 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1775 txs = &sc->sc_txsoft[i]; 1776 txs->txs_mbuf = NULL; 1777 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1778 } 1779 1780 /* 1781 * Initialize the receive descriptor and receive job 1782 * descriptor rings. 1783 */ 1784 for (i = 0; i < TULIP_NRXDESC; i++) { 1785 rxs = &sc->sc_rxsoft[i]; 1786 if (rxs->rxs_mbuf == NULL) { 1787 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1788 printf("%s: unable to allocate or map rx " 1789 "buffer %d, error = %d\n", 1790 sc->sc_dev.dv_xname, i, error); 1791 /* 1792 * XXX Should attempt to run with fewer receive 1793 * XXX buffers instead of just failing. 1794 */ 1795 tlp_rxdrain(sc); 1796 goto out; 1797 } 1798 } else 1799 TULIP_INIT_RXDESC(sc, i); 1800 } 1801 sc->sc_rxptr = 0; 1802 1803 /* 1804 * Initialize the interrupt mask and enable interrupts. 1805 */ 1806 /* normal interrupts */ 1807 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1808 1809 /* abnormal interrupts */ 1810 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1811 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1812 1813 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1814 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1815 1816 switch (sc->sc_chip) { 1817 case TULIP_CHIP_WB89C840F: 1818 /* 1819 * Clear bits that we don't want that happen to 1820 * overlap or don't exist. 1821 */ 1822 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1823 break; 1824 1825 default: 1826 /* Nothing. */ 1827 break; 1828 } 1829 1830 sc->sc_rxint_mask &= sc->sc_inten; 1831 sc->sc_txint_mask &= sc->sc_inten; 1832 1833 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1834 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1835 1836 /* 1837 * Give the transmit and receive rings to the Tulip. 1838 */ 1839 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1840 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1841 1842 /* 1843 * On chips that do this differently, set the station address. 1844 */ 1845 switch (sc->sc_chip) { 1846 case TULIP_CHIP_WB89C840F: 1847 { 1848 /* XXX Do this with stream writes? */ 1849 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1850 1851 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1852 bus_space_write_1(sc->sc_st, sc->sc_sh, 1853 cpa + i, LLADDR(ifp->if_sadl)[i]); 1854 } 1855 break; 1856 } 1857 1858 case TULIP_CHIP_AL981: 1859 case TULIP_CHIP_AN983: 1860 case TULIP_CHIP_AN985: 1861 { 1862 u_int32_t reg; 1863 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1864 1865 reg = enaddr[0] | 1866 (enaddr[1] << 8) | 1867 (enaddr[2] << 16) | 1868 (enaddr[3] << 24); 1869 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1870 1871 reg = enaddr[4] | 1872 (enaddr[5] << 8); 1873 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1874 } 1875 1876 default: 1877 /* Nothing. */ 1878 break; 1879 } 1880 1881 /* 1882 * Set the receive filter. This will start the transmit and 1883 * receive processes. 1884 */ 1885 (*sc->sc_filter_setup)(sc); 1886 1887 /* 1888 * Set the current media. 1889 */ 1890 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1891 1892 /* 1893 * Start the receive process. 1894 */ 1895 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1896 1897 if (sc->sc_tick != NULL) { 1898 /* Start the one second clock. */ 1899 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1900 } 1901 1902 /* 1903 * Note that the interface is now running. 1904 */ 1905 ifp->if_flags |= IFF_RUNNING; 1906 ifp->if_flags &= ~IFF_OACTIVE; 1907 1908 out: 1909 if (error) { 1910 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1911 ifp->if_timer = 0; 1912 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1913 } 1914 return (error); 1915 } 1916 1917 /* 1918 * tlp_enable: 1919 * 1920 * Enable the Tulip chip. 1921 */ 1922 int 1923 tlp_enable(sc) 1924 struct tulip_softc *sc; 1925 { 1926 1927 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1928 if ((*sc->sc_enable)(sc) != 0) { 1929 printf("%s: device enable failed\n", 1930 sc->sc_dev.dv_xname); 1931 return (EIO); 1932 } 1933 sc->sc_flags |= TULIPF_ENABLED; 1934 } 1935 return (0); 1936 } 1937 1938 /* 1939 * tlp_disable: 1940 * 1941 * Disable the Tulip chip. 1942 */ 1943 void 1944 tlp_disable(sc) 1945 struct tulip_softc *sc; 1946 { 1947 1948 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1949 (*sc->sc_disable)(sc); 1950 sc->sc_flags &= ~TULIPF_ENABLED; 1951 } 1952 } 1953 1954 /* 1955 * tlp_power: 1956 * 1957 * Power management (suspend/resume) hook. 1958 */ 1959 void 1960 tlp_power(why, arg) 1961 int why; 1962 void *arg; 1963 { 1964 struct tulip_softc *sc = arg; 1965 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1966 int s; 1967 1968 s = splnet(); 1969 switch (why) { 1970 case PWR_STANDBY: 1971 /* do nothing! */ 1972 break; 1973 case PWR_SUSPEND: 1974 tlp_stop(ifp, 0); 1975 if (sc->sc_power != NULL) 1976 (*sc->sc_power)(sc, why); 1977 break; 1978 case PWR_RESUME: 1979 if (ifp->if_flags & IFF_UP) { 1980 if (sc->sc_power != NULL) 1981 (*sc->sc_power)(sc, why); 1982 tlp_init(ifp); 1983 } 1984 break; 1985 case PWR_SOFTSUSPEND: 1986 case PWR_SOFTSTANDBY: 1987 case PWR_SOFTRESUME: 1988 break; 1989 } 1990 splx(s); 1991 } 1992 1993 /* 1994 * tlp_rxdrain: 1995 * 1996 * Drain the receive queue. 1997 */ 1998 void 1999 tlp_rxdrain(sc) 2000 struct tulip_softc *sc; 2001 { 2002 struct tulip_rxsoft *rxs; 2003 int i; 2004 2005 for (i = 0; i < TULIP_NRXDESC; i++) { 2006 rxs = &sc->sc_rxsoft[i]; 2007 if (rxs->rxs_mbuf != NULL) { 2008 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2009 m_freem(rxs->rxs_mbuf); 2010 rxs->rxs_mbuf = NULL; 2011 } 2012 } 2013 } 2014 2015 /* 2016 * tlp_stop: [ ifnet interface function ] 2017 * 2018 * Stop transmission on the interface. 2019 */ 2020 void 2021 tlp_stop(ifp, disable) 2022 struct ifnet *ifp; 2023 int disable; 2024 { 2025 struct tulip_softc *sc = ifp->if_softc; 2026 struct tulip_txsoft *txs; 2027 2028 if (sc->sc_tick != NULL) { 2029 /* Stop the one second clock. */ 2030 callout_stop(&sc->sc_tick_callout); 2031 } 2032 2033 if (sc->sc_flags & TULIPF_HAS_MII) { 2034 /* Down the MII. */ 2035 mii_down(&sc->sc_mii); 2036 } 2037 2038 /* Disable interrupts. */ 2039 TULIP_WRITE(sc, CSR_INTEN, 0); 2040 2041 /* Stop the transmit and receive processes. */ 2042 sc->sc_opmode = 0; 2043 TULIP_WRITE(sc, CSR_OPMODE, 0); 2044 TULIP_WRITE(sc, CSR_RXLIST, 0); 2045 TULIP_WRITE(sc, CSR_TXLIST, 0); 2046 2047 /* 2048 * Release any queued transmit buffers. 2049 */ 2050 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2051 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2052 if (txs->txs_mbuf != NULL) { 2053 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2054 m_freem(txs->txs_mbuf); 2055 txs->txs_mbuf = NULL; 2056 } 2057 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2058 } 2059 2060 if (disable) { 2061 tlp_rxdrain(sc); 2062 tlp_disable(sc); 2063 } 2064 2065 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2066 2067 /* 2068 * Mark the interface down and cancel the watchdog timer. 2069 */ 2070 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2071 ifp->if_timer = 0; 2072 2073 /* 2074 * Reset the chip (needed on some flavors to actually disable it). 2075 */ 2076 tlp_reset(sc); 2077 } 2078 2079 #define SROM_EMIT(sc, x) \ 2080 do { \ 2081 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2082 delay(2); \ 2083 } while (0) 2084 2085 /* 2086 * tlp_srom_idle: 2087 * 2088 * Put the SROM in idle state. 2089 */ 2090 void 2091 tlp_srom_idle(sc) 2092 struct tulip_softc *sc; 2093 { 2094 u_int32_t miirom; 2095 int i; 2096 2097 miirom = MIIROM_SR; 2098 SROM_EMIT(sc, miirom); 2099 2100 miirom |= MIIROM_RD; 2101 SROM_EMIT(sc, miirom); 2102 2103 miirom |= MIIROM_SROMCS; 2104 SROM_EMIT(sc, miirom); 2105 2106 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2107 2108 /* Strobe the clock 32 times. */ 2109 for (i = 0; i < 32; i++) { 2110 SROM_EMIT(sc, miirom); 2111 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2112 } 2113 2114 SROM_EMIT(sc, miirom); 2115 2116 miirom &= ~MIIROM_SROMCS; 2117 SROM_EMIT(sc, miirom); 2118 2119 SROM_EMIT(sc, 0); 2120 } 2121 2122 /* 2123 * tlp_srom_size: 2124 * 2125 * Determine the number of address bits in the SROM. 2126 */ 2127 int 2128 tlp_srom_size(sc) 2129 struct tulip_softc *sc; 2130 { 2131 u_int32_t miirom; 2132 int x; 2133 2134 /* Select the SROM. */ 2135 miirom = MIIROM_SR; 2136 SROM_EMIT(sc, miirom); 2137 2138 miirom |= MIIROM_RD; 2139 SROM_EMIT(sc, miirom); 2140 2141 /* Send CHIP SELECT for one clock tick. */ 2142 miirom |= MIIROM_SROMCS; 2143 SROM_EMIT(sc, miirom); 2144 2145 /* Shift in the READ opcode. */ 2146 for (x = 3; x > 0; x--) { 2147 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2148 miirom |= MIIROM_SROMDI; 2149 else 2150 miirom &= ~MIIROM_SROMDI; 2151 SROM_EMIT(sc, miirom); 2152 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2153 SROM_EMIT(sc, miirom); 2154 } 2155 2156 /* Shift in address and look for dummy 0 bit. */ 2157 for (x = 1; x <= 12; x++) { 2158 miirom &= ~MIIROM_SROMDI; 2159 SROM_EMIT(sc, miirom); 2160 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2161 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2162 break; 2163 SROM_EMIT(sc, miirom); 2164 } 2165 2166 /* Clear CHIP SELECT. */ 2167 miirom &= ~MIIROM_SROMCS; 2168 SROM_EMIT(sc, miirom); 2169 2170 /* Deselect the SROM. */ 2171 SROM_EMIT(sc, 0); 2172 2173 if (x < 4 || x > 12) { 2174 printf("%s: broken MicroWire interface detected; " 2175 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2176 return (6); 2177 } else { 2178 if (tlp_srom_debug) 2179 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2180 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2181 return (x); 2182 } 2183 } 2184 2185 /* 2186 * tlp_read_srom: 2187 * 2188 * Read the Tulip SROM. 2189 */ 2190 int 2191 tlp_read_srom(sc) 2192 struct tulip_softc *sc; 2193 { 2194 int size; 2195 u_int32_t miirom; 2196 u_int16_t datain; 2197 int i, x; 2198 2199 tlp_srom_idle(sc); 2200 2201 sc->sc_srom_addrbits = tlp_srom_size(sc); 2202 if (sc->sc_srom_addrbits == 0) 2203 return (0); 2204 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2205 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2206 2207 /* Select the SROM. */ 2208 miirom = MIIROM_SR; 2209 SROM_EMIT(sc, miirom); 2210 2211 miirom |= MIIROM_RD; 2212 SROM_EMIT(sc, miirom); 2213 2214 for (i = 0; i < size; i += 2) { 2215 /* Send CHIP SELECT for one clock tick. */ 2216 miirom |= MIIROM_SROMCS; 2217 SROM_EMIT(sc, miirom); 2218 2219 /* Shift in the READ opcode. */ 2220 for (x = 3; x > 0; x--) { 2221 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2222 miirom |= MIIROM_SROMDI; 2223 else 2224 miirom &= ~MIIROM_SROMDI; 2225 SROM_EMIT(sc, miirom); 2226 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2227 SROM_EMIT(sc, miirom); 2228 } 2229 2230 /* Shift in address. */ 2231 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2232 if (i & (1 << x)) 2233 miirom |= MIIROM_SROMDI; 2234 else 2235 miirom &= ~MIIROM_SROMDI; 2236 SROM_EMIT(sc, miirom); 2237 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2238 SROM_EMIT(sc, miirom); 2239 } 2240 2241 /* Shift out data. */ 2242 miirom &= ~MIIROM_SROMDI; 2243 datain = 0; 2244 for (x = 16; x > 0; x--) { 2245 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2246 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2247 datain |= (1 << (x - 1)); 2248 SROM_EMIT(sc, miirom); 2249 } 2250 sc->sc_srom[i] = datain & 0xff; 2251 sc->sc_srom[i + 1] = datain >> 8; 2252 2253 /* Clear CHIP SELECT. */ 2254 miirom &= ~MIIROM_SROMCS; 2255 SROM_EMIT(sc, miirom); 2256 } 2257 2258 /* Deselect the SROM. */ 2259 SROM_EMIT(sc, 0); 2260 2261 /* ...and idle it. */ 2262 tlp_srom_idle(sc); 2263 2264 if (tlp_srom_debug) { 2265 printf("SROM CONTENTS:"); 2266 for (i = 0; i < size; i++) { 2267 if ((i % 8) == 0) 2268 printf("\n\t"); 2269 printf("0x%02x ", sc->sc_srom[i]); 2270 } 2271 printf("\n"); 2272 } 2273 2274 return (1); 2275 } 2276 2277 #undef SROM_EMIT 2278 2279 /* 2280 * tlp_add_rxbuf: 2281 * 2282 * Add a receive buffer to the indicated descriptor. 2283 */ 2284 int 2285 tlp_add_rxbuf(sc, idx) 2286 struct tulip_softc *sc; 2287 int idx; 2288 { 2289 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2290 struct mbuf *m; 2291 int error; 2292 2293 MGETHDR(m, M_DONTWAIT, MT_DATA); 2294 if (m == NULL) 2295 return (ENOBUFS); 2296 2297 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2298 MCLGET(m, M_DONTWAIT); 2299 if ((m->m_flags & M_EXT) == 0) { 2300 m_freem(m); 2301 return (ENOBUFS); 2302 } 2303 2304 if (rxs->rxs_mbuf != NULL) 2305 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2306 2307 rxs->rxs_mbuf = m; 2308 2309 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2310 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2311 BUS_DMA_READ|BUS_DMA_NOWAIT); 2312 if (error) { 2313 printf("%s: can't load rx DMA map %d, error = %d\n", 2314 sc->sc_dev.dv_xname, idx, error); 2315 panic("tlp_add_rxbuf"); /* XXX */ 2316 } 2317 2318 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2319 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2320 2321 TULIP_INIT_RXDESC(sc, idx); 2322 2323 return (0); 2324 } 2325 2326 /* 2327 * tlp_srom_crcok: 2328 * 2329 * Check the CRC of the Tulip SROM. 2330 */ 2331 int 2332 tlp_srom_crcok(romdata) 2333 const u_int8_t *romdata; 2334 { 2335 u_int32_t crc; 2336 2337 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2338 crc = (crc & 0xffff) ^ 0xffff; 2339 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2340 return (1); 2341 2342 /* 2343 * Try an alternate checksum. 2344 */ 2345 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2346 crc = (crc & 0xffff) ^ 0xffff; 2347 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2348 return (1); 2349 2350 return (0); 2351 } 2352 2353 /* 2354 * tlp_isv_srom: 2355 * 2356 * Check to see if the SROM is in the new standardized format. 2357 */ 2358 int 2359 tlp_isv_srom(romdata) 2360 const u_int8_t *romdata; 2361 { 2362 int i; 2363 u_int16_t cksum; 2364 2365 if (tlp_srom_crcok(romdata)) { 2366 /* 2367 * SROM CRC checks out; must be in the new format. 2368 */ 2369 return (1); 2370 } 2371 2372 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2373 if (cksum == 0xffff || cksum == 0) { 2374 /* 2375 * No checksum present. Check the SROM ID; 18 bytes of 0 2376 * followed by 1 (version) followed by the number of 2377 * adapters which use this SROM (should be non-zero). 2378 */ 2379 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2380 if (romdata[i] != 0) 2381 return (0); 2382 } 2383 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2384 return (0); 2385 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2386 return (0); 2387 return (1); 2388 } 2389 2390 return (0); 2391 } 2392 2393 /* 2394 * tlp_isv_srom_enaddr: 2395 * 2396 * Get the Ethernet address from an ISV SROM. 2397 */ 2398 int 2399 tlp_isv_srom_enaddr(sc, enaddr) 2400 struct tulip_softc *sc; 2401 u_int8_t *enaddr; 2402 { 2403 int i, devcnt; 2404 2405 if (tlp_isv_srom(sc->sc_srom) == 0) 2406 return (0); 2407 2408 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2409 for (i = 0; i < devcnt; i++) { 2410 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2411 break; 2412 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2413 sc->sc_devno) 2414 break; 2415 } 2416 2417 if (i == devcnt) 2418 return (0); 2419 2420 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2421 ETHER_ADDR_LEN); 2422 enaddr[5] += i; 2423 2424 return (1); 2425 } 2426 2427 /* 2428 * tlp_parse_old_srom: 2429 * 2430 * Parse old-format SROMs. 2431 * 2432 * This routine is largely lifted from Matt Thomas's `de' driver. 2433 */ 2434 int 2435 tlp_parse_old_srom(sc, enaddr) 2436 struct tulip_softc *sc; 2437 u_int8_t *enaddr; 2438 { 2439 static const u_int8_t testpat[] = 2440 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2441 int i; 2442 u_int32_t cksum; 2443 2444 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2445 /* 2446 * Cobalt Networks interfaces simply have the address 2447 * in the first six bytes. The rest is zeroed out 2448 * on some models, but others contain unknown data. 2449 */ 2450 if (sc->sc_srom[0] == 0x00 && 2451 sc->sc_srom[1] == 0x10 && 2452 sc->sc_srom[2] == 0xe0) { 2453 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2454 return (1); 2455 } 2456 2457 /* 2458 * Some vendors (e.g. ZNYX) don't use the standard 2459 * DEC Address ROM format, but rather just have an 2460 * Ethernet address in the first 6 bytes, maybe a 2461 * 2 byte checksum, and then all 0xff's. 2462 */ 2463 for (i = 8; i < 32; i++) { 2464 if (sc->sc_srom[i] != 0xff && 2465 sc->sc_srom[i] != 0) 2466 return (0); 2467 } 2468 2469 /* 2470 * Sanity check the Ethernet address: 2471 * 2472 * - Make sure it's not multicast or locally 2473 * assigned 2474 * - Make sure it has a non-0 OUI 2475 */ 2476 if (sc->sc_srom[0] & 3) 2477 return (0); 2478 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2479 sc->sc_srom[2] == 0) 2480 return (0); 2481 2482 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2483 return (1); 2484 } 2485 2486 /* 2487 * Standard DEC Address ROM test. 2488 */ 2489 2490 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2491 return (0); 2492 2493 for (i = 0; i < 8; i++) { 2494 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2495 return (0); 2496 } 2497 2498 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2499 2500 cksum = *(u_int16_t *) &enaddr[0]; 2501 2502 cksum <<= 1; 2503 if (cksum > 0xffff) 2504 cksum -= 0xffff; 2505 2506 cksum += *(u_int16_t *) &enaddr[2]; 2507 if (cksum > 0xffff) 2508 cksum -= 0xffff; 2509 2510 cksum <<= 1; 2511 if (cksum > 0xffff) 2512 cksum -= 0xffff; 2513 2514 cksum += *(u_int16_t *) &enaddr[4]; 2515 if (cksum >= 0xffff) 2516 cksum -= 0xffff; 2517 2518 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2519 return (0); 2520 2521 return (1); 2522 } 2523 2524 /* 2525 * tlp_filter_setup: 2526 * 2527 * Set the Tulip's receive filter. 2528 */ 2529 void 2530 tlp_filter_setup(sc) 2531 struct tulip_softc *sc; 2532 { 2533 struct ethercom *ec = &sc->sc_ethercom; 2534 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2535 struct ether_multi *enm; 2536 struct ether_multistep step; 2537 __volatile u_int32_t *sp; 2538 struct tulip_txsoft *txs; 2539 u_int8_t enaddr[ETHER_ADDR_LEN]; 2540 u_int32_t hash, hashsize; 2541 int cnt; 2542 2543 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2544 sc->sc_dev.dv_xname, sc->sc_flags)); 2545 2546 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2547 2548 /* 2549 * If there are transmissions pending, wait until they have 2550 * completed. 2551 */ 2552 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2553 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2554 sc->sc_flags |= TULIPF_WANT_SETUP; 2555 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2556 sc->sc_dev.dv_xname)); 2557 return; 2558 } 2559 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2560 2561 switch (sc->sc_chip) { 2562 case TULIP_CHIP_82C115: 2563 hashsize = TULIP_PNICII_HASHSIZE; 2564 break; 2565 2566 default: 2567 hashsize = TULIP_MCHASHSIZE; 2568 } 2569 2570 /* 2571 * If we're running, idle the transmit and receive engines. If 2572 * we're NOT running, we're being called from tlp_init(), and our 2573 * writing OPMODE will start the transmit and receive processes 2574 * in motion. 2575 */ 2576 if (ifp->if_flags & IFF_RUNNING) 2577 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2578 2579 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2580 2581 if (ifp->if_flags & IFF_PROMISC) { 2582 sc->sc_opmode |= OPMODE_PR; 2583 goto allmulti; 2584 } 2585 2586 /* 2587 * Try Perfect filtering first. 2588 */ 2589 2590 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2591 sp = TULIP_CDSP(sc); 2592 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2593 cnt = 0; 2594 ETHER_FIRST_MULTI(step, ec, enm); 2595 while (enm != NULL) { 2596 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2597 /* 2598 * We must listen to a range of multicast addresses. 2599 * For now, just accept all multicasts, rather than 2600 * trying to set only those filter bits needed to match 2601 * the range. (At this time, the only use of address 2602 * ranges is for IP multicast routing, for which the 2603 * range is big enough to require all bits set.) 2604 */ 2605 goto allmulti; 2606 } 2607 if (cnt == (TULIP_MAXADDRS - 2)) { 2608 /* 2609 * We already have our multicast limit (still need 2610 * our station address and broadcast). Go to 2611 * Hash-Perfect mode. 2612 */ 2613 goto hashperfect; 2614 } 2615 cnt++; 2616 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2617 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2618 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2619 ETHER_NEXT_MULTI(step, enm); 2620 } 2621 2622 if (ifp->if_flags & IFF_BROADCAST) { 2623 /* ...and the broadcast address. */ 2624 cnt++; 2625 *sp++ = TULIP_SP_FIELD_C(0xffff); 2626 *sp++ = TULIP_SP_FIELD_C(0xffff); 2627 *sp++ = TULIP_SP_FIELD_C(0xffff); 2628 } 2629 2630 /* Pad the rest with our station address. */ 2631 for (; cnt < TULIP_MAXADDRS; cnt++) { 2632 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2633 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2634 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2635 } 2636 ifp->if_flags &= ~IFF_ALLMULTI; 2637 goto setit; 2638 2639 hashperfect: 2640 /* 2641 * Try Hash-Perfect mode. 2642 */ 2643 2644 /* 2645 * Some 21140 chips have broken Hash-Perfect modes. On these 2646 * chips, we simply use Hash-Only mode, and put our station 2647 * address into the filter. 2648 */ 2649 if (sc->sc_chip == TULIP_CHIP_21140) 2650 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2651 else 2652 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2653 sp = TULIP_CDSP(sc); 2654 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2655 ETHER_FIRST_MULTI(step, ec, enm); 2656 while (enm != NULL) { 2657 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2658 /* 2659 * We must listen to a range of multicast addresses. 2660 * For now, just accept all multicasts, rather than 2661 * trying to set only those filter bits needed to match 2662 * the range. (At this time, the only use of address 2663 * ranges is for IP multicast routing, for which the 2664 * range is big enough to require all bits set.) 2665 */ 2666 goto allmulti; 2667 } 2668 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2669 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2670 ETHER_NEXT_MULTI(step, enm); 2671 } 2672 2673 if (ifp->if_flags & IFF_BROADCAST) { 2674 /* ...and the broadcast address. */ 2675 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2676 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2677 } 2678 2679 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2680 /* ...and our station address. */ 2681 hash = tlp_mchash(enaddr, hashsize); 2682 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2683 } else { 2684 /* 2685 * Hash-Perfect mode; put our station address after 2686 * the hash table. 2687 */ 2688 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2689 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2690 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2691 } 2692 ifp->if_flags &= ~IFF_ALLMULTI; 2693 goto setit; 2694 2695 allmulti: 2696 /* 2697 * Use Perfect filter mode. First address is the broadcast address, 2698 * and pad the rest with our station address. We'll set Pass-all- 2699 * multicast in OPMODE below. 2700 */ 2701 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2702 sp = TULIP_CDSP(sc); 2703 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2704 cnt = 0; 2705 if (ifp->if_flags & IFF_BROADCAST) { 2706 cnt++; 2707 *sp++ = TULIP_SP_FIELD_C(0xffff); 2708 *sp++ = TULIP_SP_FIELD_C(0xffff); 2709 *sp++ = TULIP_SP_FIELD_C(0xffff); 2710 } 2711 for (; cnt < TULIP_MAXADDRS; cnt++) { 2712 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2713 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2714 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2715 } 2716 ifp->if_flags |= IFF_ALLMULTI; 2717 2718 setit: 2719 if (ifp->if_flags & IFF_ALLMULTI) 2720 sc->sc_opmode |= OPMODE_PM; 2721 2722 /* Sync the setup packet buffer. */ 2723 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2724 2725 /* 2726 * Fill in the setup packet descriptor. 2727 */ 2728 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2729 2730 txs->txs_firstdesc = sc->sc_txnext; 2731 txs->txs_lastdesc = sc->sc_txnext; 2732 txs->txs_ndescs = 1; 2733 txs->txs_mbuf = NULL; 2734 2735 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2736 htole32(TULIP_CDSPADDR(sc)); 2737 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2738 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2739 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2740 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2741 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2742 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2743 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2744 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2745 2746 /* Advance the tx pointer. */ 2747 sc->sc_txfree -= 1; 2748 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2749 2750 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2751 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2752 2753 /* 2754 * Set the OPMODE register. This will also resume the 2755 * transmit transmit process we idled above. 2756 */ 2757 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2758 2759 sc->sc_flags |= TULIPF_DOING_SETUP; 2760 2761 /* 2762 * Kick the transmitter; this will cause the Tulip to 2763 * read the setup descriptor. 2764 */ 2765 /* XXX USE AUTOPOLLING? */ 2766 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2767 2768 /* Set up a watchdog timer in case the chip flakes out. */ 2769 ifp->if_timer = 5; 2770 2771 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2772 } 2773 2774 /* 2775 * tlp_winb_filter_setup: 2776 * 2777 * Set the Winbond 89C840F's receive filter. 2778 */ 2779 void 2780 tlp_winb_filter_setup(sc) 2781 struct tulip_softc *sc; 2782 { 2783 struct ethercom *ec = &sc->sc_ethercom; 2784 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2785 struct ether_multi *enm; 2786 struct ether_multistep step; 2787 u_int32_t hash, mchash[2]; 2788 2789 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2790 sc->sc_dev.dv_xname, sc->sc_flags)); 2791 2792 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2793 2794 if (ifp->if_flags & IFF_MULTICAST) 2795 sc->sc_opmode |= OPMODE_WINB_AMP; 2796 2797 if (ifp->if_flags & IFF_BROADCAST) 2798 sc->sc_opmode |= OPMODE_WINB_ABP; 2799 2800 if (ifp->if_flags & IFF_PROMISC) { 2801 sc->sc_opmode |= OPMODE_WINB_APP; 2802 goto allmulti; 2803 } 2804 2805 mchash[0] = mchash[1] = 0; 2806 2807 ETHER_FIRST_MULTI(step, ec, enm); 2808 while (enm != NULL) { 2809 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2810 /* 2811 * We must listen to a range of multicast addresses. 2812 * For now, just accept all multicasts, rather than 2813 * trying to set only those filter bits needed to match 2814 * the range. (At this time, the only use of address 2815 * ranges is for IP multicast routing, for which the 2816 * range is big enough to require all bits set.) 2817 */ 2818 goto allmulti; 2819 } 2820 2821 /* 2822 * According to the FreeBSD `wb' driver, yes, you 2823 * really do invert the hash. 2824 */ 2825 hash = 2826 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2827 & 0x3f; 2828 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2829 ETHER_NEXT_MULTI(step, enm); 2830 } 2831 ifp->if_flags &= ~IFF_ALLMULTI; 2832 goto setit; 2833 2834 allmulti: 2835 ifp->if_flags |= IFF_ALLMULTI; 2836 mchash[0] = mchash[1] = 0xffffffff; 2837 2838 setit: 2839 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2840 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2841 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2842 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2843 sc->sc_dev.dv_xname)); 2844 } 2845 2846 /* 2847 * tlp_al981_filter_setup: 2848 * 2849 * Set the ADMtek AL981's receive filter. 2850 */ 2851 void 2852 tlp_al981_filter_setup(sc) 2853 struct tulip_softc *sc; 2854 { 2855 struct ethercom *ec = &sc->sc_ethercom; 2856 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2857 struct ether_multi *enm; 2858 struct ether_multistep step; 2859 u_int32_t hash, mchash[2]; 2860 2861 /* 2862 * If the chip is running, we need to reset the interface, 2863 * and will revisit here (with IFF_RUNNING) clear. The 2864 * chip seems to really not like to have its multicast 2865 * filter programmed without a reset. 2866 */ 2867 if (ifp->if_flags & IFF_RUNNING) { 2868 (void) tlp_init(ifp); 2869 return; 2870 } 2871 2872 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2873 sc->sc_dev.dv_xname, sc->sc_flags)); 2874 2875 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2876 2877 if (ifp->if_flags & IFF_PROMISC) { 2878 sc->sc_opmode |= OPMODE_PR; 2879 goto allmulti; 2880 } 2881 2882 mchash[0] = mchash[1] = 0; 2883 2884 ETHER_FIRST_MULTI(step, ec, enm); 2885 while (enm != NULL) { 2886 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2887 /* 2888 * We must listen to a range of multicast addresses. 2889 * For now, just accept all multicasts, rather than 2890 * trying to set only those filter bits needed to match 2891 * the range. (At this time, the only use of address 2892 * ranges is for IP multicast routing, for which the 2893 * range is big enough to require all bits set.) 2894 */ 2895 goto allmulti; 2896 } 2897 2898 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2899 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2900 ETHER_NEXT_MULTI(step, enm); 2901 } 2902 ifp->if_flags &= ~IFF_ALLMULTI; 2903 goto setit; 2904 2905 allmulti: 2906 ifp->if_flags |= IFF_ALLMULTI; 2907 mchash[0] = mchash[1] = 0xffffffff; 2908 2909 setit: 2910 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2911 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2912 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2913 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2914 sc->sc_dev.dv_xname)); 2915 } 2916 2917 /* 2918 * tlp_idle: 2919 * 2920 * Cause the transmit and/or receive processes to go idle. 2921 */ 2922 void 2923 tlp_idle(sc, bits) 2924 struct tulip_softc *sc; 2925 u_int32_t bits; 2926 { 2927 static const char * const tlp_tx_state_names[] = { 2928 "STOPPED", 2929 "RUNNING - FETCH", 2930 "RUNNING - WAIT", 2931 "RUNNING - READING", 2932 "-- RESERVED --", 2933 "RUNNING - SETUP", 2934 "SUSPENDED", 2935 "RUNNING - CLOSE", 2936 }; 2937 static const char * const tlp_rx_state_names[] = { 2938 "STOPPED", 2939 "RUNNING - FETCH", 2940 "RUNNING - CHECK", 2941 "RUNNING - WAIT", 2942 "SUSPENDED", 2943 "RUNNING - CLOSE", 2944 "RUNNING - FLUSH", 2945 "RUNNING - QUEUE", 2946 }; 2947 static const char * const dm9102_tx_state_names[] = { 2948 "STOPPED", 2949 "RUNNING - FETCH", 2950 "RUNNING - SETUP", 2951 "RUNNING - READING", 2952 "RUNNING - CLOSE - CLEAR OWNER", 2953 "RUNNING - WAIT", 2954 "RUNNING - CLOSE - WRITE STATUS", 2955 "SUSPENDED", 2956 }; 2957 static const char * const dm9102_rx_state_names[] = { 2958 "STOPPED", 2959 "RUNNING - FETCH", 2960 "RUNNING - WAIT", 2961 "RUNNING - QUEUE", 2962 "RUNNING - CLOSE - CLEAR OWNER", 2963 "RUNNING - CLOSE - WRITE STATUS", 2964 "SUSPENDED", 2965 "RUNNING - FLUSH", 2966 }; 2967 2968 const char * const *tx_state_names, * const *rx_state_names; 2969 u_int32_t csr, ackmask = 0; 2970 int i; 2971 2972 switch (sc->sc_chip) { 2973 case TULIP_CHIP_DM9102: 2974 case TULIP_CHIP_DM9102A: 2975 tx_state_names = dm9102_tx_state_names; 2976 rx_state_names = dm9102_rx_state_names; 2977 break; 2978 2979 default: 2980 tx_state_names = tlp_tx_state_names; 2981 rx_state_names = tlp_rx_state_names; 2982 break; 2983 } 2984 2985 if (bits & OPMODE_ST) 2986 ackmask |= STATUS_TPS; 2987 2988 if (bits & OPMODE_SR) 2989 ackmask |= STATUS_RPS; 2990 2991 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2992 2993 for (i = 0; i < 1000; i++) { 2994 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2995 break; 2996 delay(10); 2997 } 2998 2999 csr = TULIP_READ(sc, CSR_STATUS); 3000 if ((csr & ackmask) != ackmask) { 3001 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3002 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3003 printf("%s: transmit process failed to idle: " 3004 "state %s\n", sc->sc_dev.dv_xname, 3005 tx_state_names[(csr & STATUS_TS) >> 20]); 3006 } 3007 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3008 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3009 switch (sc->sc_chip) { 3010 case TULIP_CHIP_AN983: 3011 case TULIP_CHIP_AN985: 3012 /* 3013 * Filter the message out on noisy chips. 3014 */ 3015 break; 3016 default: 3017 printf("%s: receive process failed to idle: " 3018 "state %s\n", sc->sc_dev.dv_xname, 3019 rx_state_names[(csr & STATUS_RS) >> 17]); 3020 } 3021 } 3022 } 3023 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3024 } 3025 3026 /***************************************************************************** 3027 * Generic media support functions. 3028 *****************************************************************************/ 3029 3030 /* 3031 * tlp_mediastatus: [ifmedia interface function] 3032 * 3033 * Query the current media. 3034 */ 3035 void 3036 tlp_mediastatus(ifp, ifmr) 3037 struct ifnet *ifp; 3038 struct ifmediareq *ifmr; 3039 { 3040 struct tulip_softc *sc = ifp->if_softc; 3041 3042 if (TULIP_IS_ENABLED(sc) == 0) { 3043 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3044 ifmr->ifm_status = 0; 3045 return; 3046 } 3047 3048 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3049 } 3050 3051 /* 3052 * tlp_mediachange: [ifmedia interface function] 3053 * 3054 * Update the current media. 3055 */ 3056 int 3057 tlp_mediachange(ifp) 3058 struct ifnet *ifp; 3059 { 3060 struct tulip_softc *sc = ifp->if_softc; 3061 3062 if ((ifp->if_flags & IFF_UP) == 0) 3063 return (0); 3064 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3065 } 3066 3067 /***************************************************************************** 3068 * Support functions for MII-attached media. 3069 *****************************************************************************/ 3070 3071 /* 3072 * tlp_mii_tick: 3073 * 3074 * One second timer, used to tick the MII. 3075 */ 3076 void 3077 tlp_mii_tick(arg) 3078 void *arg; 3079 { 3080 struct tulip_softc *sc = arg; 3081 int s; 3082 3083 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3084 return; 3085 3086 s = splnet(); 3087 mii_tick(&sc->sc_mii); 3088 splx(s); 3089 3090 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3091 } 3092 3093 /* 3094 * tlp_mii_statchg: [mii interface function] 3095 * 3096 * Callback from PHY when media changes. 3097 */ 3098 void 3099 tlp_mii_statchg(self) 3100 struct device *self; 3101 { 3102 struct tulip_softc *sc = (struct tulip_softc *)self; 3103 3104 /* Idle the transmit and receive processes. */ 3105 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3106 3107 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3108 3109 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3110 sc->sc_opmode |= OPMODE_TTM; 3111 else 3112 sc->sc_opmode |= OPMODE_HBD; 3113 3114 if (sc->sc_mii.mii_media_active & IFM_FDX) 3115 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3116 3117 /* 3118 * Write new OPMODE bits. This also restarts the transmit 3119 * and receive processes. 3120 */ 3121 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3122 } 3123 3124 /* 3125 * tlp_winb_mii_statchg: [mii interface function] 3126 * 3127 * Callback from PHY when media changes. This version is 3128 * for the Winbond 89C840F, which has different OPMODE bits. 3129 */ 3130 void 3131 tlp_winb_mii_statchg(self) 3132 struct device *self; 3133 { 3134 struct tulip_softc *sc = (struct tulip_softc *)self; 3135 3136 /* Idle the transmit and receive processes. */ 3137 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3138 3139 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3140 3141 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3142 sc->sc_opmode |= OPMODE_WINB_FES; 3143 3144 if (sc->sc_mii.mii_media_active & IFM_FDX) 3145 sc->sc_opmode |= OPMODE_FD; 3146 3147 /* 3148 * Write new OPMODE bits. This also restarts the transmit 3149 * and receive processes. 3150 */ 3151 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3152 } 3153 3154 /* 3155 * tlp_dm9102_mii_statchg: [mii interface function] 3156 * 3157 * Callback from PHY when media changes. This version is 3158 * for the DM9102. 3159 */ 3160 void 3161 tlp_dm9102_mii_statchg(self) 3162 struct device *self; 3163 { 3164 struct tulip_softc *sc = (struct tulip_softc *)self; 3165 3166 /* 3167 * Don't idle the transmit and receive processes, here. It 3168 * seems to fail, and just causes excess noise. 3169 */ 3170 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3171 3172 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3173 sc->sc_opmode |= OPMODE_TTM; 3174 3175 if (sc->sc_mii.mii_media_active & IFM_FDX) 3176 sc->sc_opmode |= OPMODE_FD; 3177 3178 /* 3179 * Write new OPMODE bits. 3180 */ 3181 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3182 } 3183 3184 /* 3185 * tlp_mii_getmedia: 3186 * 3187 * Callback from ifmedia to request current media status. 3188 */ 3189 void 3190 tlp_mii_getmedia(sc, ifmr) 3191 struct tulip_softc *sc; 3192 struct ifmediareq *ifmr; 3193 { 3194 3195 mii_pollstat(&sc->sc_mii); 3196 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3197 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3198 } 3199 3200 /* 3201 * tlp_mii_setmedia: 3202 * 3203 * Callback from ifmedia to request new media setting. 3204 */ 3205 int 3206 tlp_mii_setmedia(sc) 3207 struct tulip_softc *sc; 3208 { 3209 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3210 3211 if (ifp->if_flags & IFF_UP) { 3212 switch (sc->sc_chip) { 3213 case TULIP_CHIP_21142: 3214 case TULIP_CHIP_21143: 3215 /* Disable the internal Nway engine. */ 3216 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3217 break; 3218 3219 default: 3220 /* Nothing. */ 3221 break; 3222 } 3223 mii_mediachg(&sc->sc_mii); 3224 } 3225 return (0); 3226 } 3227 3228 /* 3229 * tlp_bitbang_mii_readreg: 3230 * 3231 * Read a PHY register via bit-bang'ing the MII. 3232 */ 3233 int 3234 tlp_bitbang_mii_readreg(self, phy, reg) 3235 struct device *self; 3236 int phy, reg; 3237 { 3238 struct tulip_softc *sc = (void *) self; 3239 3240 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3241 } 3242 3243 /* 3244 * tlp_bitbang_mii_writereg: 3245 * 3246 * Write a PHY register via bit-bang'ing the MII. 3247 */ 3248 void 3249 tlp_bitbang_mii_writereg(self, phy, reg, val) 3250 struct device *self; 3251 int phy, reg, val; 3252 { 3253 struct tulip_softc *sc = (void *) self; 3254 3255 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3256 } 3257 3258 /* 3259 * tlp_sio_mii_bitbang_read: 3260 * 3261 * Read the MII serial port for the MII bit-bang module. 3262 */ 3263 u_int32_t 3264 tlp_sio_mii_bitbang_read(self) 3265 struct device *self; 3266 { 3267 struct tulip_softc *sc = (void *) self; 3268 3269 return (TULIP_READ(sc, CSR_MIIROM)); 3270 } 3271 3272 /* 3273 * tlp_sio_mii_bitbang_write: 3274 * 3275 * Write the MII serial port for the MII bit-bang module. 3276 */ 3277 void 3278 tlp_sio_mii_bitbang_write(self, val) 3279 struct device *self; 3280 u_int32_t val; 3281 { 3282 struct tulip_softc *sc = (void *) self; 3283 3284 TULIP_WRITE(sc, CSR_MIIROM, val); 3285 } 3286 3287 /* 3288 * tlp_pnic_mii_readreg: 3289 * 3290 * Read a PHY register on the Lite-On PNIC. 3291 */ 3292 int 3293 tlp_pnic_mii_readreg(self, phy, reg) 3294 struct device *self; 3295 int phy, reg; 3296 { 3297 struct tulip_softc *sc = (void *) self; 3298 u_int32_t val; 3299 int i; 3300 3301 TULIP_WRITE(sc, CSR_PNIC_MII, 3302 PNIC_MII_MBO | PNIC_MII_RESERVED | 3303 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3304 (reg << PNIC_MII_REGSHIFT)); 3305 3306 for (i = 0; i < 1000; i++) { 3307 delay(10); 3308 val = TULIP_READ(sc, CSR_PNIC_MII); 3309 if ((val & PNIC_MII_BUSY) == 0) { 3310 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3311 return (0); 3312 else 3313 return (val & PNIC_MII_DATA); 3314 } 3315 } 3316 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3317 return (0); 3318 } 3319 3320 /* 3321 * tlp_pnic_mii_writereg: 3322 * 3323 * Write a PHY register on the Lite-On PNIC. 3324 */ 3325 void 3326 tlp_pnic_mii_writereg(self, phy, reg, val) 3327 struct device *self; 3328 int phy, reg, val; 3329 { 3330 struct tulip_softc *sc = (void *) self; 3331 int i; 3332 3333 TULIP_WRITE(sc, CSR_PNIC_MII, 3334 PNIC_MII_MBO | PNIC_MII_RESERVED | 3335 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3336 (reg << PNIC_MII_REGSHIFT) | val); 3337 3338 for (i = 0; i < 1000; i++) { 3339 delay(10); 3340 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3341 return; 3342 } 3343 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3344 } 3345 3346 const bus_addr_t tlp_al981_phy_regmap[] = { 3347 CSR_ADM_BMCR, 3348 CSR_ADM_BMSR, 3349 CSR_ADM_PHYIDR1, 3350 CSR_ADM_PHYIDR2, 3351 CSR_ADM_ANAR, 3352 CSR_ADM_ANLPAR, 3353 CSR_ADM_ANER, 3354 3355 CSR_ADM_XMC, 3356 CSR_ADM_XCIIS, 3357 CSR_ADM_XIE, 3358 CSR_ADM_100CTR, 3359 }; 3360 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3361 sizeof(tlp_al981_phy_regmap[0]); 3362 3363 /* 3364 * tlp_al981_mii_readreg: 3365 * 3366 * Read a PHY register on the ADMtek AL981. 3367 */ 3368 int 3369 tlp_al981_mii_readreg(self, phy, reg) 3370 struct device *self; 3371 int phy, reg; 3372 { 3373 struct tulip_softc *sc = (struct tulip_softc *)self; 3374 3375 /* AL981 only has an internal PHY. */ 3376 if (phy != 0) 3377 return (0); 3378 3379 if (reg >= tlp_al981_phy_regmap_size) 3380 return (0); 3381 3382 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3383 tlp_al981_phy_regmap[reg]) & 0xffff); 3384 } 3385 3386 /* 3387 * tlp_al981_mii_writereg: 3388 * 3389 * Write a PHY register on the ADMtek AL981. 3390 */ 3391 void 3392 tlp_al981_mii_writereg(self, phy, reg, val) 3393 struct device *self; 3394 int phy, reg, val; 3395 { 3396 struct tulip_softc *sc = (struct tulip_softc *)self; 3397 3398 /* AL981 only has an internal PHY. */ 3399 if (phy != 0) 3400 return; 3401 3402 if (reg >= tlp_al981_phy_regmap_size) 3403 return; 3404 3405 bus_space_write_4(sc->sc_st, sc->sc_sh, 3406 tlp_al981_phy_regmap[reg], val); 3407 } 3408 3409 /***************************************************************************** 3410 * Chip-specific pre-init and reset functions. 3411 *****************************************************************************/ 3412 3413 /* 3414 * tlp_2114x_preinit: 3415 * 3416 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3417 */ 3418 void 3419 tlp_2114x_preinit(sc) 3420 struct tulip_softc *sc; 3421 { 3422 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3423 struct tulip_21x4x_media *tm = ife->ifm_aux; 3424 3425 /* 3426 * Whether or not we're in MII or SIA/SYM mode, the media info 3427 * contains the appropriate OPMODE bits. 3428 * 3429 * Also, we always set the Must-Be-One bit. 3430 */ 3431 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3432 3433 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3434 } 3435 3436 /* 3437 * tlp_2114x_mii_preinit: 3438 * 3439 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3440 * This version is used by boards which only have MII and don't have 3441 * an ISV SROM. 3442 */ 3443 void 3444 tlp_2114x_mii_preinit(sc) 3445 struct tulip_softc *sc; 3446 { 3447 3448 /* 3449 * Always set the Must-Be-One bit, and Port Select (to select MII). 3450 * We'll never be called during a media change. 3451 */ 3452 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3453 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3454 } 3455 3456 /* 3457 * tlp_pnic_preinit: 3458 * 3459 * Pre-init function for the Lite-On 82c168 and 82c169. 3460 */ 3461 void 3462 tlp_pnic_preinit(sc) 3463 struct tulip_softc *sc; 3464 { 3465 3466 if (sc->sc_flags & TULIPF_HAS_MII) { 3467 /* 3468 * MII case: just set the port-select bit; we will never 3469 * be called during a media change. 3470 */ 3471 sc->sc_opmode |= OPMODE_PS; 3472 } else { 3473 /* 3474 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3475 */ 3476 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3477 } 3478 } 3479 3480 /* 3481 * tlp_dm9102_preinit: 3482 * 3483 * Pre-init function for the Davicom DM9102. 3484 */ 3485 void 3486 tlp_dm9102_preinit(sc) 3487 struct tulip_softc *sc; 3488 { 3489 3490 switch (sc->sc_chip) { 3491 case TULIP_CHIP_DM9102: 3492 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3493 break; 3494 3495 case TULIP_CHIP_DM9102A: 3496 /* 3497 * XXX Figure out how to actually deal with the HomePNA 3498 * XXX portion of the DM9102A. 3499 */ 3500 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3501 break; 3502 3503 default: 3504 /* Nothing. */ 3505 break; 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 delay(10); 3542 TULIP_WRITE(sc, CSR_GPP, 0); 3543 } 3544 } 3545 3546 /* 3547 * tlp_21142_reset: 3548 * 3549 * Issue a reset sequence on the 21142 via the GPIO facility. 3550 */ 3551 void 3552 tlp_21142_reset(sc) 3553 struct tulip_softc *sc; 3554 { 3555 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3556 struct tulip_21x4x_media *tm = ife->ifm_aux; 3557 const u_int8_t *cp; 3558 int i; 3559 3560 cp = &sc->sc_srom[tm->tm_reset_offset]; 3561 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3562 delay(10); 3563 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3564 } 3565 3566 cp = &sc->sc_srom[tm->tm_gp_offset]; 3567 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3568 delay(10); 3569 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 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 break; 3614 } 3615 } 3616 3617 /* 3618 * tlp_dm9102_reset: 3619 * 3620 * Reset routine for the Davicom DM9102. 3621 */ 3622 void 3623 tlp_dm9102_reset(sc) 3624 struct tulip_softc *sc; 3625 { 3626 3627 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3628 delay(100); 3629 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3630 } 3631 3632 /***************************************************************************** 3633 * Chip/board-specific media switches. The ones here are ones that 3634 * are potentially common to multiple front-ends. 3635 *****************************************************************************/ 3636 3637 /* 3638 * This table is a common place for all sorts of media information, 3639 * keyed off of the SROM media code for that media. 3640 * 3641 * Note that we explicitly configure the 21142/21143 to always advertise 3642 * NWay capabilities when using the UTP port. 3643 * XXX Actually, we don't yet. 3644 */ 3645 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3646 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3647 "10baseT", 3648 OPMODE_TTM, 3649 BMSR_10THDX, 3650 { SIACONN_21040_10BASET, 3651 SIATXRX_21040_10BASET, 3652 SIAGEN_21040_10BASET }, 3653 3654 { SIACONN_21041_10BASET, 3655 SIATXRX_21041_10BASET, 3656 SIAGEN_21041_10BASET }, 3657 3658 { SIACONN_21142_10BASET, 3659 SIATXRX_21142_10BASET, 3660 SIAGEN_21142_10BASET } }, 3661 3662 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3663 "10base2", 3664 0, 3665 0, 3666 { 0, 3667 0, 3668 0 }, 3669 3670 { SIACONN_21041_BNC, 3671 SIATXRX_21041_BNC, 3672 SIAGEN_21041_BNC }, 3673 3674 { SIACONN_21142_BNC, 3675 SIATXRX_21142_BNC, 3676 SIAGEN_21142_BNC } }, 3677 3678 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3679 "10base5", 3680 0, 3681 0, 3682 { SIACONN_21040_AUI, 3683 SIATXRX_21040_AUI, 3684 SIAGEN_21040_AUI }, 3685 3686 { SIACONN_21041_AUI, 3687 SIATXRX_21041_AUI, 3688 SIAGEN_21041_AUI }, 3689 3690 { SIACONN_21142_AUI, 3691 SIATXRX_21142_AUI, 3692 SIAGEN_21142_AUI } }, 3693 3694 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3695 "100baseTX", 3696 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3697 BMSR_100TXHDX, 3698 { 0, 3699 0, 3700 0 }, 3701 3702 { 0, 3703 0, 3704 0 }, 3705 3706 { 0, 3707 0, 3708 SIAGEN_ABM } }, 3709 3710 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3711 "10baseT-FDX", 3712 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3713 BMSR_10TFDX, 3714 { SIACONN_21040_10BASET_FDX, 3715 SIATXRX_21040_10BASET_FDX, 3716 SIAGEN_21040_10BASET_FDX }, 3717 3718 { SIACONN_21041_10BASET_FDX, 3719 SIATXRX_21041_10BASET_FDX, 3720 SIAGEN_21041_10BASET_FDX }, 3721 3722 { SIACONN_21142_10BASET_FDX, 3723 SIATXRX_21142_10BASET_FDX, 3724 SIAGEN_21142_10BASET_FDX } }, 3725 3726 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3727 "100baseTX-FDX", 3728 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3729 BMSR_100TXFDX, 3730 { 0, 3731 0, 3732 0 }, 3733 3734 { 0, 3735 0, 3736 0 }, 3737 3738 { 0, 3739 0, 3740 SIAGEN_ABM } }, 3741 3742 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3743 "100baseT4", 3744 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3745 BMSR_100T4, 3746 { 0, 3747 0, 3748 0 }, 3749 3750 { 0, 3751 0, 3752 0 }, 3753 3754 { 0, 3755 0, 3756 SIAGEN_ABM } }, 3757 3758 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3759 "100baseFX", 3760 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3761 0, 3762 { 0, 3763 0, 3764 0 }, 3765 3766 { 0, 3767 0, 3768 0 }, 3769 3770 { 0, 3771 0, 3772 SIAGEN_ABM } }, 3773 3774 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3775 "100baseFX-FDX", 3776 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3777 0, 3778 { 0, 3779 0, 3780 0 }, 3781 3782 { 0, 3783 0, 3784 0 }, 3785 3786 { 0, 3787 0, 3788 SIAGEN_ABM } }, 3789 3790 { 0, 0, 0, 3791 NULL, 3792 0, 3793 0, 3794 { 0, 3795 0, 3796 0 }, 3797 3798 { 0, 3799 0, 3800 0 }, 3801 3802 { 0, 3803 0, 3804 0 } }, 3805 }; 3806 3807 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3808 void tlp_srom_media_info __P((struct tulip_softc *, 3809 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3810 void tlp_add_srom_media __P((struct tulip_softc *, int, 3811 void (*)(struct tulip_softc *, struct ifmediareq *), 3812 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3813 void tlp_print_media __P((struct tulip_softc *)); 3814 void tlp_nway_activate __P((struct tulip_softc *, int)); 3815 void tlp_get_minst __P((struct tulip_softc *)); 3816 3817 const struct tulip_srom_to_ifmedia * 3818 tlp_srom_to_ifmedia(sm) 3819 u_int8_t sm; 3820 { 3821 const struct tulip_srom_to_ifmedia *tsti; 3822 3823 for (tsti = tulip_srom_to_ifmedia_table; 3824 tsti->tsti_name != NULL; tsti++) { 3825 if (tsti->tsti_srom == sm) 3826 return (tsti); 3827 } 3828 3829 return (NULL); 3830 } 3831 3832 void 3833 tlp_srom_media_info(sc, tsti, tm) 3834 struct tulip_softc *sc; 3835 const struct tulip_srom_to_ifmedia *tsti; 3836 struct tulip_21x4x_media *tm; 3837 { 3838 3839 tm->tm_name = tsti->tsti_name; 3840 tm->tm_opmode = tsti->tsti_opmode; 3841 3842 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3843 3844 switch (sc->sc_chip) { 3845 case TULIP_CHIP_DE425: 3846 case TULIP_CHIP_21040: 3847 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3848 break; 3849 3850 case TULIP_CHIP_21041: 3851 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3852 break; 3853 3854 case TULIP_CHIP_21142: 3855 case TULIP_CHIP_21143: 3856 case TULIP_CHIP_82C115: 3857 case TULIP_CHIP_MX98715: 3858 case TULIP_CHIP_MX98715A: 3859 case TULIP_CHIP_MX98715AEC_X: 3860 case TULIP_CHIP_MX98725: 3861 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3862 break; 3863 3864 default: 3865 /* Nothing. */ 3866 break; 3867 } 3868 } 3869 3870 void 3871 tlp_add_srom_media(sc, type, get, set, list, cnt) 3872 struct tulip_softc *sc; 3873 int type; 3874 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3875 int (*set) __P((struct tulip_softc *)); 3876 const u_int8_t *list; 3877 int cnt; 3878 { 3879 struct tulip_21x4x_media *tm; 3880 const struct tulip_srom_to_ifmedia *tsti; 3881 int i; 3882 3883 for (i = 0; i < cnt; i++) { 3884 tsti = tlp_srom_to_ifmedia(list[i]); 3885 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3886 tlp_srom_media_info(sc, tsti, tm); 3887 tm->tm_type = type; 3888 tm->tm_get = get; 3889 tm->tm_set = set; 3890 3891 ifmedia_add(&sc->sc_mii.mii_media, 3892 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3893 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3894 } 3895 } 3896 3897 void 3898 tlp_print_media(sc) 3899 struct tulip_softc *sc; 3900 { 3901 struct ifmedia_entry *ife; 3902 struct tulip_21x4x_media *tm; 3903 const char *sep = ""; 3904 3905 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3906 3907 printf("%s: ", sc->sc_dev.dv_xname); 3908 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3909 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3910 tm = ife->ifm_aux; 3911 if (tm == NULL) { 3912 #ifdef DIAGNOSTIC 3913 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3914 panic("tlp_print_media"); 3915 #endif 3916 PRINT("auto"); 3917 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3918 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3919 PRINT(tm->tm_name); 3920 } 3921 } 3922 printf("\n"); 3923 3924 #undef PRINT 3925 } 3926 3927 void 3928 tlp_nway_activate(sc, media) 3929 struct tulip_softc *sc; 3930 int media; 3931 { 3932 struct ifmedia_entry *ife; 3933 3934 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3935 #ifdef DIAGNOSTIC 3936 if (ife == NULL) 3937 panic("tlp_nway_activate"); 3938 #endif 3939 sc->sc_nway_active = ife; 3940 } 3941 3942 void 3943 tlp_get_minst(sc) 3944 struct tulip_softc *sc; 3945 { 3946 3947 if ((sc->sc_media_seen & 3948 ~((1 << TULIP_ROM_MB_21140_MII) | 3949 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3950 /* 3951 * We have not yet seen any SIA/SYM media (but are 3952 * about to; that's why we're called!), so assign 3953 * the current media instance to be the `internal media' 3954 * instance, and advance it so any MII media gets a 3955 * fresh one (used to selecting/isolating a PHY). 3956 */ 3957 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3958 } 3959 } 3960 3961 /* 3962 * SIA Utility functions. 3963 */ 3964 void tlp_sia_update_link __P((struct tulip_softc *)); 3965 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3966 int tlp_sia_set __P((struct tulip_softc *)); 3967 int tlp_sia_media __P((struct tulip_softc *, struct ifmedia_entry *)); 3968 void tlp_sia_fixup __P((struct tulip_softc *)); 3969 3970 void 3971 tlp_sia_update_link(sc) 3972 struct tulip_softc *sc; 3973 { 3974 struct ifmedia_entry *ife; 3975 struct tulip_21x4x_media *tm; 3976 u_int32_t siastat; 3977 3978 ife = TULIP_CURRENT_MEDIA(sc); 3979 tm = ife->ifm_aux; 3980 3981 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3982 3983 siastat = TULIP_READ(sc, CSR_SIASTAT); 3984 3985 /* 3986 * Note that when we do SIA link tests, we are assuming that 3987 * the chip is really in the mode that the current media setting 3988 * reflects. If we're not, then the link tests will not be 3989 * accurate! 3990 */ 3991 switch (IFM_SUBTYPE(ife->ifm_media)) { 3992 case IFM_10_T: 3993 sc->sc_flags |= TULIPF_LINK_VALID; 3994 if ((siastat & SIASTAT_LS10) == 0) 3995 sc->sc_flags |= TULIPF_LINK_UP; 3996 break; 3997 3998 case IFM_100_TX: 3999 case IFM_100_T4: 4000 sc->sc_flags |= TULIPF_LINK_VALID; 4001 if ((siastat & SIASTAT_LS100) == 0) 4002 sc->sc_flags |= TULIPF_LINK_UP; 4003 break; 4004 } 4005 4006 switch (sc->sc_chip) { 4007 case TULIP_CHIP_21142: 4008 case TULIP_CHIP_21143: 4009 /* 4010 * On these chips, we can tell more information about 4011 * AUI/BNC. Note that the AUI/BNC selection is made 4012 * in a different register; for our purpose, it's all 4013 * AUI. 4014 */ 4015 switch (IFM_SUBTYPE(ife->ifm_media)) { 4016 case IFM_10_2: 4017 case IFM_10_5: 4018 sc->sc_flags |= TULIPF_LINK_VALID; 4019 if (siastat & SIASTAT_ARA) { 4020 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4021 sc->sc_flags |= TULIPF_LINK_UP; 4022 } 4023 break; 4024 4025 default: 4026 /* 4027 * If we're SYM media and can detect the link 4028 * via the GPIO facility, prefer that status 4029 * over LS100. 4030 */ 4031 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4032 tm->tm_actmask != 0) { 4033 sc->sc_flags = (sc->sc_flags & 4034 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4035 if (TULIP_ISSET(sc, CSR_SIAGEN, 4036 tm->tm_actmask) == tm->tm_actdata) 4037 sc->sc_flags |= TULIPF_LINK_UP; 4038 } 4039 } 4040 break; 4041 4042 default: 4043 /* Nothing. */ 4044 break; 4045 } 4046 } 4047 4048 void 4049 tlp_sia_get(sc, ifmr) 4050 struct tulip_softc *sc; 4051 struct ifmediareq *ifmr; 4052 { 4053 struct ifmedia_entry *ife; 4054 4055 ifmr->ifm_status = 0; 4056 4057 tlp_sia_update_link(sc); 4058 4059 ife = TULIP_CURRENT_MEDIA(sc); 4060 4061 if (sc->sc_flags & TULIPF_LINK_VALID) 4062 ifmr->ifm_status |= IFM_AVALID; 4063 if (sc->sc_flags & TULIPF_LINK_UP) 4064 ifmr->ifm_status |= IFM_ACTIVE; 4065 ifmr->ifm_active = ife->ifm_media; 4066 } 4067 4068 void 4069 tlp_sia_fixup(sc) 4070 struct tulip_softc *sc; 4071 { 4072 struct ifmedia_entry *ife; 4073 struct tulip_21x4x_media *tm; 4074 u_int32_t siaconn, siatxrx, siagen; 4075 4076 switch (sc->sc_chip) { 4077 case TULIP_CHIP_82C115: 4078 case TULIP_CHIP_MX98713A: 4079 case TULIP_CHIP_MX98715: 4080 case TULIP_CHIP_MX98715A: 4081 case TULIP_CHIP_MX98715AEC_X: 4082 case TULIP_CHIP_MX98725: 4083 siaconn = PMAC_SIACONN_MASK; 4084 siatxrx = PMAC_SIATXRX_MASK; 4085 siagen = PMAC_SIAGEN_MASK; 4086 break; 4087 4088 default: 4089 /* No fixups required on any other chips. */ 4090 return; 4091 } 4092 4093 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4094 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4095 tm = ife->ifm_aux; 4096 if (tm == NULL) 4097 continue; 4098 4099 tm->tm_siaconn &= siaconn; 4100 tm->tm_siatxrx &= siatxrx; 4101 tm->tm_siagen &= siagen; 4102 } 4103 } 4104 4105 int 4106 tlp_sia_set(sc) 4107 struct tulip_softc *sc; 4108 { 4109 4110 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4111 } 4112 4113 int 4114 tlp_sia_media(sc, ife) 4115 struct tulip_softc *sc; 4116 struct ifmedia_entry *ife; 4117 { 4118 struct tulip_21x4x_media *tm; 4119 4120 tm = ife->ifm_aux; 4121 4122 /* 4123 * XXX This appears to be necessary on a bunch of the clone chips. 4124 */ 4125 delay(20000); 4126 4127 /* 4128 * Idle the chip. 4129 */ 4130 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4131 4132 /* 4133 * Program the SIA. It's important to write in this order, 4134 * resetting the SIA first. 4135 */ 4136 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4137 delay(1000); 4138 4139 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4140 4141 switch (sc->sc_chip) { 4142 case TULIP_CHIP_21142: 4143 case TULIP_CHIP_21143: 4144 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4145 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4146 break; 4147 default: 4148 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4149 } 4150 4151 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4152 4153 /* 4154 * Set the OPMODE bits for this media and write OPMODE. 4155 * This will resume the transmit and receive processes. 4156 */ 4157 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4158 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4159 4160 return (0); 4161 } 4162 4163 /* 4164 * 21140 GPIO utility functions. 4165 */ 4166 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4167 4168 void 4169 tlp_21140_gpio_update_link(sc) 4170 struct tulip_softc *sc; 4171 { 4172 struct ifmedia_entry *ife; 4173 struct tulip_21x4x_media *tm; 4174 4175 ife = TULIP_CURRENT_MEDIA(sc); 4176 tm = ife->ifm_aux; 4177 4178 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4179 4180 if (tm->tm_actmask != 0) { 4181 sc->sc_flags |= TULIPF_LINK_VALID; 4182 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4183 tm->tm_actdata) 4184 sc->sc_flags |= TULIPF_LINK_UP; 4185 } 4186 } 4187 4188 void 4189 tlp_21140_gpio_get(sc, ifmr) 4190 struct tulip_softc *sc; 4191 struct ifmediareq *ifmr; 4192 { 4193 struct ifmedia_entry *ife; 4194 4195 ifmr->ifm_status = 0; 4196 4197 tlp_21140_gpio_update_link(sc); 4198 4199 ife = TULIP_CURRENT_MEDIA(sc); 4200 4201 if (sc->sc_flags & TULIPF_LINK_VALID) 4202 ifmr->ifm_status |= IFM_AVALID; 4203 if (sc->sc_flags & TULIPF_LINK_UP) 4204 ifmr->ifm_status |= IFM_ACTIVE; 4205 ifmr->ifm_active = ife->ifm_media; 4206 } 4207 4208 int 4209 tlp_21140_gpio_set(sc) 4210 struct tulip_softc *sc; 4211 { 4212 struct ifmedia_entry *ife; 4213 struct tulip_21x4x_media *tm; 4214 4215 ife = TULIP_CURRENT_MEDIA(sc); 4216 tm = ife->ifm_aux; 4217 4218 /* 4219 * Idle the chip. 4220 */ 4221 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4222 4223 /* 4224 * Set the GPIO pins for this media, to flip any 4225 * relays, etc. 4226 */ 4227 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4228 delay(10); 4229 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4230 4231 /* 4232 * Set the OPMODE bits for this media and write OPMODE. 4233 * This will resume the transmit and receive processes. 4234 */ 4235 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4236 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4237 4238 return (0); 4239 } 4240 4241 /* 4242 * 21040 and 21041 media switches. 4243 */ 4244 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4245 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4246 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4247 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4248 4249 const struct tulip_mediasw tlp_21040_mediasw = { 4250 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4251 }; 4252 4253 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4254 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4255 }; 4256 4257 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4258 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4259 }; 4260 4261 const struct tulip_mediasw tlp_21041_mediasw = { 4262 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4263 }; 4264 4265 4266 void 4267 tlp_21040_tmsw_init(sc) 4268 struct tulip_softc *sc; 4269 { 4270 static const u_int8_t media[] = { 4271 TULIP_ROM_MB_MEDIA_TP, 4272 TULIP_ROM_MB_MEDIA_TP_FDX, 4273 TULIP_ROM_MB_MEDIA_AUI, 4274 }; 4275 struct tulip_21x4x_media *tm; 4276 4277 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4278 tlp_mediastatus); 4279 4280 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4281 4282 /* 4283 * No SROM type for External SIA. 4284 */ 4285 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4286 tm->tm_name = "manual"; 4287 tm->tm_opmode = 0; 4288 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4289 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4290 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4291 ifmedia_add(&sc->sc_mii.mii_media, 4292 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4293 4294 /* 4295 * XXX Autosense not yet supported. 4296 */ 4297 4298 /* XXX This should be auto-sense. */ 4299 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4300 4301 tlp_print_media(sc); 4302 } 4303 4304 void 4305 tlp_21040_tp_tmsw_init(sc) 4306 struct tulip_softc *sc; 4307 { 4308 static const u_int8_t media[] = { 4309 TULIP_ROM_MB_MEDIA_TP, 4310 TULIP_ROM_MB_MEDIA_TP_FDX, 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, 2); 4317 4318 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4319 4320 tlp_print_media(sc); 4321 } 4322 4323 void 4324 tlp_21040_auibnc_tmsw_init(sc) 4325 struct tulip_softc *sc; 4326 { 4327 static const u_int8_t media[] = { 4328 TULIP_ROM_MB_MEDIA_AUI, 4329 }; 4330 4331 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4332 tlp_mediastatus); 4333 4334 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4335 4336 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4337 4338 tlp_print_media(sc); 4339 } 4340 4341 void 4342 tlp_21041_tmsw_init(sc) 4343 struct tulip_softc *sc; 4344 { 4345 static const u_int8_t media[] = { 4346 TULIP_ROM_MB_MEDIA_TP, 4347 TULIP_ROM_MB_MEDIA_TP_FDX, 4348 TULIP_ROM_MB_MEDIA_BNC, 4349 TULIP_ROM_MB_MEDIA_AUI, 4350 }; 4351 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4352 const struct tulip_srom_to_ifmedia *tsti; 4353 struct tulip_21x4x_media *tm; 4354 u_int16_t romdef; 4355 u_int8_t mb; 4356 4357 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4358 tlp_mediastatus); 4359 4360 if (tlp_isv_srom(sc->sc_srom) == 0) { 4361 not_isv_srom: 4362 /* 4363 * If we have a board without the standard 21041 SROM format, 4364 * we just assume all media are present and try and pick a 4365 * reasonable default. 4366 */ 4367 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4368 4369 /* 4370 * XXX Autosense not yet supported. 4371 */ 4372 4373 /* XXX This should be auto-sense. */ 4374 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4375 4376 tlp_print_media(sc); 4377 return; 4378 } 4379 4380 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4381 for (i = 0; i < devcnt; i++) { 4382 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4383 break; 4384 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4385 sc->sc_devno) 4386 break; 4387 } 4388 4389 if (i == devcnt) 4390 goto not_isv_srom; 4391 4392 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4393 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4394 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4395 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4396 4397 for (; m_cnt != 0; 4398 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4399 mb = sc->sc_srom[mb_offset]; 4400 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4401 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4402 case TULIP_ROM_MB_MEDIA_TP_FDX: 4403 case TULIP_ROM_MB_MEDIA_TP: 4404 case TULIP_ROM_MB_MEDIA_BNC: 4405 case TULIP_ROM_MB_MEDIA_AUI: 4406 tsti = tlp_srom_to_ifmedia(mb & 4407 TULIP_ROM_MB_MEDIA_CODE); 4408 4409 tlp_srom_media_info(sc, tsti, tm); 4410 4411 /* 4412 * Override our default SIA settings if the 4413 * SROM contains its own. 4414 */ 4415 if (mb & TULIP_ROM_MB_EXT) { 4416 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4417 mb_offset + TULIP_ROM_MB_CSR13); 4418 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4419 mb_offset + TULIP_ROM_MB_CSR14); 4420 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4421 mb_offset + TULIP_ROM_MB_CSR15); 4422 } 4423 4424 ifmedia_add(&sc->sc_mii.mii_media, 4425 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4426 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4427 break; 4428 4429 default: 4430 printf("%s: unknown media code 0x%02x\n", 4431 sc->sc_dev.dv_xname, 4432 mb & TULIP_ROM_MB_MEDIA_CODE); 4433 free(tm, M_DEVBUF); 4434 } 4435 } 4436 4437 /* 4438 * XXX Autosense not yet supported. 4439 */ 4440 4441 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4442 TULIP_ROM_IL_SELECT_CONN_TYPE); 4443 switch (romdef) { 4444 case SELECT_CONN_TYPE_TP: 4445 case SELECT_CONN_TYPE_TP_AUTONEG: 4446 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4447 defmedia = IFM_ETHER|IFM_10_T; 4448 break; 4449 4450 case SELECT_CONN_TYPE_TP_FDX: 4451 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4452 break; 4453 4454 case SELECT_CONN_TYPE_BNC: 4455 defmedia = IFM_ETHER|IFM_10_2; 4456 break; 4457 4458 case SELECT_CONN_TYPE_AUI: 4459 defmedia = IFM_ETHER|IFM_10_5; 4460 break; 4461 #if 0 /* XXX */ 4462 case SELECT_CONN_TYPE_ASENSE: 4463 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4464 defmedia = IFM_ETHER|IFM_AUTO; 4465 break; 4466 #endif 4467 default: 4468 defmedia = 0; 4469 } 4470 4471 if (defmedia == 0) { 4472 /* 4473 * XXX We should default to auto-sense. 4474 */ 4475 defmedia = IFM_ETHER|IFM_10_T; 4476 } 4477 4478 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4479 4480 tlp_print_media(sc); 4481 } 4482 4483 /* 4484 * DECchip 2114x ISV media switch. 4485 */ 4486 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4487 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4488 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4489 4490 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4491 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4492 }; 4493 4494 void tlp_2114x_nway_get __P((struct tulip_softc *, struct ifmediareq *)); 4495 int tlp_2114x_nway_set __P((struct tulip_softc *)); 4496 4497 void tlp_2114x_nway_statchg __P((struct device *)); 4498 int tlp_2114x_nway_service __P((struct tulip_softc *, int)); 4499 void tlp_2114x_nway_auto __P((struct tulip_softc *)); 4500 void tlp_2114x_nway_status __P((struct tulip_softc *)); 4501 4502 void 4503 tlp_2114x_isv_tmsw_init(sc) 4504 struct tulip_softc *sc; 4505 { 4506 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4507 struct ifmedia_entry *ife; 4508 struct mii_softc *phy; 4509 struct tulip_21x4x_media *tm; 4510 const struct tulip_srom_to_ifmedia *tsti; 4511 int i, devcnt, leaf_offset, m_cnt, type, length; 4512 int defmedia, miidef; 4513 u_int16_t word; 4514 u_int8_t *cp, *ncp; 4515 4516 defmedia = miidef = 0; 4517 4518 sc->sc_mii.mii_ifp = ifp; 4519 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4520 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4521 sc->sc_mii.mii_statchg = sc->sc_statchg; 4522 4523 /* 4524 * Ignore `instance'; we may get a mixture of SIA and MII 4525 * media, and `instance' is used to isolate or select the 4526 * PHY on the MII as appropriate. Note that duplicate media 4527 * are disallowed, so ignoring `instance' is safe. 4528 */ 4529 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4530 tlp_mediastatus); 4531 4532 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4533 for (i = 0; i < devcnt; i++) { 4534 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4535 break; 4536 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4537 sc->sc_devno) 4538 break; 4539 } 4540 4541 if (i == devcnt) { 4542 printf("%s: unable to locate info leaf in SROM\n", 4543 sc->sc_dev.dv_xname); 4544 return; 4545 } 4546 4547 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4548 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4549 4550 /* XXX SELECT CONN TYPE */ 4551 4552 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4553 4554 /* 4555 * On some chips, the first thing in the Info Leaf is the 4556 * GPIO pin direction data. 4557 */ 4558 switch (sc->sc_chip) { 4559 case TULIP_CHIP_21140: 4560 case TULIP_CHIP_21140A: 4561 case TULIP_CHIP_MX98713: 4562 case TULIP_CHIP_AX88140: 4563 case TULIP_CHIP_AX88141: 4564 sc->sc_gp_dir = *cp++; 4565 break; 4566 4567 default: 4568 /* Nothing. */ 4569 break; 4570 } 4571 4572 /* Get the media count. */ 4573 m_cnt = *cp++; 4574 4575 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4576 /* 4577 * Determine the type and length of this media block. 4578 * The 21143 is spec'd to always use extended format blocks, 4579 * but some cards don't set the bit to indicate this. 4580 * Hopefully there are no cards which really don't use 4581 * extended format blocks. 4582 */ 4583 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4584 length = 4; 4585 type = TULIP_ROM_MB_21140_GPR; 4586 } else { 4587 length = (*cp++ & 0x7f) - 1; 4588 type = *cp++ & 0x3f; 4589 } 4590 4591 /* Compute the start of the next block. */ 4592 ncp = cp + length; 4593 4594 /* Now, parse the block. */ 4595 switch (type) { 4596 case TULIP_ROM_MB_21140_GPR: 4597 tlp_get_minst(sc); 4598 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4599 4600 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4601 4602 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4603 tm->tm_get = tlp_21140_gpio_get; 4604 tm->tm_set = tlp_21140_gpio_set; 4605 4606 /* First is the media type code. */ 4607 tsti = tlp_srom_to_ifmedia(cp[0] & 4608 TULIP_ROM_MB_MEDIA_CODE); 4609 if (tsti == NULL) { 4610 /* Invalid media code. */ 4611 free(tm, M_DEVBUF); 4612 break; 4613 } 4614 4615 /* Get defaults. */ 4616 tlp_srom_media_info(sc, tsti, tm); 4617 4618 /* Next is any GPIO info for this media. */ 4619 tm->tm_gpdata = cp[1]; 4620 4621 /* 4622 * Next is a word containing OPMODE information 4623 * and info on how to detect if this media is 4624 * active. 4625 */ 4626 word = TULIP_ROM_GETW(cp, 2); 4627 tm->tm_opmode &= OPMODE_FD; 4628 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4629 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4630 tm->tm_actmask = 4631 TULIP_ROM_MB_BITPOS(word); 4632 tm->tm_actdata = 4633 (word & TULIP_ROM_MB_POLARITY) ? 4634 0 : tm->tm_actmask; 4635 } 4636 4637 ifmedia_add(&sc->sc_mii.mii_media, 4638 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4639 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4640 break; 4641 4642 case TULIP_ROM_MB_21140_MII: 4643 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4644 4645 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4646 4647 tm->tm_type = TULIP_ROM_MB_21140_MII; 4648 tm->tm_get = tlp_mii_getmedia; 4649 tm->tm_set = tlp_mii_setmedia; 4650 tm->tm_opmode = OPMODE_PS; 4651 4652 if (sc->sc_reset == NULL) 4653 sc->sc_reset = tlp_21140_reset; 4654 4655 /* First is the PHY number. */ 4656 tm->tm_phyno = *cp++; 4657 4658 /* Next is the MII select sequence length and offset. */ 4659 tm->tm_gp_length = *cp++; 4660 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4661 cp += tm->tm_gp_length; 4662 4663 /* Next is the MII reset sequence length and offset. */ 4664 tm->tm_reset_length = *cp++; 4665 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4666 cp += tm->tm_reset_length; 4667 4668 /* 4669 * The following items are left in the media block 4670 * that we don't particularly care about: 4671 * 4672 * capabilities W 4673 * advertisement W 4674 * full duplex W 4675 * tx threshold W 4676 * 4677 * These appear to be bits in the PHY registers, 4678 * which our MII code handles on its own. 4679 */ 4680 4681 /* 4682 * Before we probe the MII bus, we need to reset 4683 * it and issue the selection sequence. 4684 */ 4685 4686 /* Set the direction of the pins... */ 4687 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4688 4689 for (i = 0; i < tm->tm_reset_length; i++) { 4690 delay(10); 4691 TULIP_WRITE(sc, CSR_GPP, 4692 sc->sc_srom[tm->tm_reset_offset + i]); 4693 } 4694 4695 for (i = 0; i < tm->tm_gp_length; i++) { 4696 delay(10); 4697 TULIP_WRITE(sc, CSR_GPP, 4698 sc->sc_srom[tm->tm_gp_offset + i]); 4699 } 4700 4701 /* If there were no sequences, just lower the pins. */ 4702 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4703 delay(10); 4704 TULIP_WRITE(sc, CSR_GPP, 0); 4705 } 4706 4707 /* 4708 * Now, probe the MII for the PHY. Note, we know 4709 * the location of the PHY on the bus, but we don't 4710 * particularly care; the MII code just likes to 4711 * search the whole thing anyhow. 4712 */ 4713 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4714 MII_PHY_ANY, tm->tm_phyno, 0); 4715 4716 /* 4717 * Now, search for the PHY we hopefully just 4718 * configured. If it's not configured into the 4719 * kernel, we lose. The PHY's default media always 4720 * takes priority. 4721 */ 4722 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4723 phy != NULL; 4724 phy = LIST_NEXT(phy, mii_list)) 4725 if (phy->mii_offset == tm->tm_phyno) 4726 break; 4727 if (phy == NULL) { 4728 printf("%s: unable to configure MII\n", 4729 sc->sc_dev.dv_xname); 4730 break; 4731 } 4732 4733 sc->sc_flags |= TULIPF_HAS_MII; 4734 sc->sc_tick = tlp_mii_tick; 4735 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4736 phy->mii_inst); 4737 4738 /* 4739 * Okay, now that we've found the PHY and the MII 4740 * layer has added all of the media associated 4741 * with that PHY, we need to traverse the media 4742 * list, and add our `tm' to each entry's `aux' 4743 * pointer. 4744 * 4745 * We do this by looking for media with our 4746 * PHY's `instance'. 4747 */ 4748 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4749 ife != NULL; 4750 ife = TAILQ_NEXT(ife, ifm_list)) { 4751 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4752 continue; 4753 ife->ifm_aux = tm; 4754 } 4755 break; 4756 4757 case TULIP_ROM_MB_21142_SIA: 4758 tlp_get_minst(sc); 4759 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4760 4761 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4762 4763 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4764 tm->tm_get = tlp_sia_get; 4765 tm->tm_set = tlp_sia_set; 4766 4767 /* First is the media type code. */ 4768 tsti = tlp_srom_to_ifmedia(cp[0] & 4769 TULIP_ROM_MB_MEDIA_CODE); 4770 if (tsti == NULL) { 4771 /* Invalid media code. */ 4772 free(tm, M_DEVBUF); 4773 break; 4774 } 4775 4776 /* Get defaults. */ 4777 tlp_srom_media_info(sc, tsti, tm); 4778 4779 /* 4780 * Override our default SIA settings if the 4781 * SROM contains its own. 4782 */ 4783 if (cp[0] & 0x40) { 4784 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4785 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4786 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4787 cp += 7; 4788 } else 4789 cp++; 4790 4791 /* Next is GPIO control/data. */ 4792 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4793 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4794 4795 ifmedia_add(&sc->sc_mii.mii_media, 4796 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4797 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4798 break; 4799 4800 case TULIP_ROM_MB_21142_MII: 4801 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4802 4803 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4804 4805 tm->tm_type = TULIP_ROM_MB_21142_MII; 4806 tm->tm_get = tlp_mii_getmedia; 4807 tm->tm_set = tlp_mii_setmedia; 4808 tm->tm_opmode = OPMODE_PS; 4809 4810 if (sc->sc_reset == NULL) 4811 sc->sc_reset = tlp_21142_reset; 4812 4813 /* First is the PHY number. */ 4814 tm->tm_phyno = *cp++; 4815 4816 /* Next is the MII select sequence length and offset. */ 4817 tm->tm_gp_length = *cp++; 4818 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4819 cp += tm->tm_gp_length * 2; 4820 4821 /* Next is the MII reset sequence length and offset. */ 4822 tm->tm_reset_length = *cp++; 4823 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4824 cp += tm->tm_reset_length * 2; 4825 4826 /* 4827 * The following items are left in the media block 4828 * that we don't particularly care about: 4829 * 4830 * capabilities W 4831 * advertisement W 4832 * full duplex W 4833 * tx threshold W 4834 * MII interrupt W 4835 * 4836 * These appear to be bits in the PHY registers, 4837 * which our MII code handles on its own. 4838 */ 4839 4840 /* 4841 * Before we probe the MII bus, we need to reset 4842 * it and issue the selection sequence. 4843 */ 4844 4845 cp = &sc->sc_srom[tm->tm_reset_offset]; 4846 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4847 delay(10); 4848 TULIP_WRITE(sc, CSR_SIAGEN, 4849 TULIP_ROM_GETW(cp, 0) << 16); 4850 } 4851 4852 cp = &sc->sc_srom[tm->tm_gp_offset]; 4853 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4854 delay(10); 4855 TULIP_WRITE(sc, CSR_SIAGEN, 4856 TULIP_ROM_GETW(cp, 0) << 16); 4857 } 4858 4859 /* If there were no sequences, just lower the pins. */ 4860 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4861 delay(10); 4862 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4863 } 4864 4865 /* 4866 * Now, probe the MII for the PHY. Note, we know 4867 * the location of the PHY on the bus, but we don't 4868 * particularly care; the MII code just likes to 4869 * search the whole thing anyhow. 4870 */ 4871 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4872 MII_PHY_ANY, tm->tm_phyno, 0); 4873 4874 /* 4875 * Now, search for the PHY we hopefully just 4876 * configured. If it's not configured into the 4877 * kernel, we lose. The PHY's default media always 4878 * takes priority. 4879 */ 4880 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4881 phy != NULL; 4882 phy = LIST_NEXT(phy, mii_list)) 4883 if (phy->mii_offset == tm->tm_phyno) 4884 break; 4885 if (phy == NULL) { 4886 printf("%s: unable to configure MII\n", 4887 sc->sc_dev.dv_xname); 4888 break; 4889 } 4890 4891 sc->sc_flags |= TULIPF_HAS_MII; 4892 sc->sc_tick = tlp_mii_tick; 4893 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4894 phy->mii_inst); 4895 4896 /* 4897 * Okay, now that we've found the PHY and the MII 4898 * layer has added all of the media associated 4899 * with that PHY, we need to traverse the media 4900 * list, and add our `tm' to each entry's `aux' 4901 * pointer. 4902 * 4903 * We do this by looking for media with our 4904 * PHY's `instance'. 4905 */ 4906 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4907 ife != NULL; 4908 ife = TAILQ_NEXT(ife, ifm_list)) { 4909 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4910 continue; 4911 ife->ifm_aux = tm; 4912 } 4913 break; 4914 4915 case TULIP_ROM_MB_21143_SYM: 4916 tlp_get_minst(sc); 4917 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4918 4919 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4920 4921 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4922 tm->tm_get = tlp_sia_get; 4923 tm->tm_set = tlp_sia_set; 4924 4925 /* First is the media type code. */ 4926 tsti = tlp_srom_to_ifmedia(cp[0] & 4927 TULIP_ROM_MB_MEDIA_CODE); 4928 if (tsti == NULL) { 4929 /* Invalid media code. */ 4930 free(tm, M_DEVBUF); 4931 break; 4932 } 4933 4934 /* Get defaults. */ 4935 tlp_srom_media_info(sc, tsti, tm); 4936 4937 /* Next is GPIO control/data. */ 4938 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 4939 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 4940 4941 /* 4942 * Next is a word containing OPMODE information 4943 * and info on how to detect if this media is 4944 * active. 4945 */ 4946 word = TULIP_ROM_GETW(cp, 5); 4947 tm->tm_opmode &= OPMODE_FD; 4948 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4949 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4950 tm->tm_actmask = 4951 TULIP_ROM_MB_BITPOS(word); 4952 tm->tm_actdata = 4953 (word & TULIP_ROM_MB_POLARITY) ? 4954 0 : tm->tm_actmask; 4955 } 4956 4957 ifmedia_add(&sc->sc_mii.mii_media, 4958 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4959 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4960 break; 4961 4962 case TULIP_ROM_MB_21143_RESET: 4963 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4964 break; 4965 4966 default: 4967 printf("%s: unknown ISV media block type 0x%02x\n", 4968 sc->sc_dev.dv_xname, type); 4969 } 4970 } 4971 4972 /* 4973 * Deal with the case where no media is configured. 4974 */ 4975 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4976 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4977 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4978 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4979 return; 4980 } 4981 4982 /* 4983 * Pick the default media. 4984 */ 4985 if (miidef != 0) 4986 defmedia = miidef; 4987 else { 4988 switch (sc->sc_chip) { 4989 case TULIP_CHIP_21140: 4990 case TULIP_CHIP_21140A: 4991 /* XXX should come from SROM */ 4992 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4993 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 4994 sc->sc_mii.mii_media.ifm_mask) == NULL) { 4995 /* 4996 * There is not a 10baseT media. 4997 * Fall back to the first found one. 4998 */ 4999 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5000 defmedia = ife->ifm_media; 5001 } 5002 break; 5003 5004 case TULIP_CHIP_21142: 5005 case TULIP_CHIP_21143: 5006 case TULIP_CHIP_MX98713A: 5007 case TULIP_CHIP_MX98715: 5008 case TULIP_CHIP_MX98715A: 5009 case TULIP_CHIP_MX98715AEC_X: 5010 case TULIP_CHIP_MX98725: 5011 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5012 tm->tm_name = "auto"; 5013 tm->tm_get = tlp_2114x_nway_get; 5014 tm->tm_set = tlp_2114x_nway_set; 5015 5016 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5017 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5018 5019 sc->sc_statchg = tlp_2114x_nway_statchg; 5020 sc->sc_tick = tlp_2114x_nway_tick; 5021 break; 5022 5023 default: 5024 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5025 break; 5026 } 5027 } 5028 5029 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5030 5031 /* 5032 * Display any non-MII media we've located. 5033 */ 5034 if (sc->sc_media_seen & 5035 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5036 tlp_print_media(sc); 5037 5038 tlp_sia_fixup(sc); 5039 } 5040 5041 void 5042 tlp_2114x_nway_get(sc, ifmr) 5043 struct tulip_softc *sc; 5044 struct ifmediareq *ifmr; 5045 { 5046 5047 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5048 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5049 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5050 } 5051 5052 int 5053 tlp_2114x_nway_set(sc) 5054 struct tulip_softc *sc; 5055 { 5056 5057 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5058 } 5059 5060 void 5061 tlp_2114x_nway_statchg(self) 5062 struct device *self; 5063 { 5064 struct tulip_softc *sc = (struct tulip_softc *)self; 5065 struct mii_data *mii = &sc->sc_mii; 5066 struct ifmedia_entry *ife; 5067 5068 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5069 return; 5070 5071 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5072 mii->mii_media.ifm_mask)) == NULL) { 5073 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5074 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5075 panic("tlp_2114x_nway_statchg"); 5076 } 5077 5078 tlp_sia_media(sc, ife); 5079 } 5080 5081 void 5082 tlp_2114x_nway_tick(arg) 5083 void *arg; 5084 { 5085 struct tulip_softc *sc = arg; 5086 struct mii_data *mii = &sc->sc_mii; 5087 int s, ticks; 5088 5089 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5090 return; 5091 5092 s = splnet(); 5093 tlp_2114x_nway_service(sc, MII_TICK); 5094 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5095 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5096 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5097 sc->sc_flags |= TULIPF_LINK_UP; 5098 tlp_start(&sc->sc_ethercom.ec_if); 5099 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5100 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5101 sc->sc_flags &= ~TULIPF_LINK_UP; 5102 } 5103 splx(s); 5104 5105 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5106 ticks = hz >> 3; 5107 else 5108 ticks = hz; 5109 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5110 } 5111 5112 /* 5113 * Support for the 2114X internal NWay block. This is constructed 5114 * somewhat like a PHY driver for simplicity. 5115 */ 5116 5117 int 5118 tlp_2114x_nway_service(sc, cmd) 5119 struct tulip_softc *sc; 5120 int cmd; 5121 { 5122 struct mii_data *mii = &sc->sc_mii; 5123 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5124 5125 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5126 return (0); 5127 5128 switch (cmd) { 5129 case MII_POLLSTAT: 5130 /* Nothing special to do here. */ 5131 break; 5132 5133 case MII_MEDIACHG: 5134 switch (IFM_SUBTYPE(ife->ifm_media)) { 5135 case IFM_AUTO: 5136 goto restart; 5137 default: 5138 /* Manual setting doesn't go through here. */ 5139 printf("tlp_2114x_nway_service: oops!\n"); 5140 return (EINVAL); 5141 } 5142 break; 5143 5144 case MII_TICK: 5145 /* 5146 * Only used for autonegotiation. 5147 */ 5148 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5149 break; 5150 5151 /* 5152 * Check to see if we have link. If we do, we don't 5153 * need to restart the autonegotiation process. 5154 */ 5155 #if 0 5156 if (mii->mii_media_status & IFM_ACTIVE) 5157 #else 5158 if (sc->sc_flags & TULIPF_LINK_UP) 5159 #endif 5160 break; 5161 5162 /* 5163 * Only retry autonegotiation every 5 seconds. 5164 */ 5165 if (++sc->sc_nway_ticks != (5 << 3)) 5166 break; 5167 5168 restart: 5169 sc->sc_nway_ticks = 0; 5170 ife->ifm_data = IFM_NONE; 5171 tlp_2114x_nway_auto(sc); 5172 break; 5173 } 5174 5175 /* Update the media status. */ 5176 tlp_2114x_nway_status(sc); 5177 5178 /* 5179 * Callback if something changed. Manually configuration goes through 5180 * tlp_sia_set() anyway, so ignore that here. 5181 */ 5182 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5183 ife->ifm_data != mii->mii_media_active) { 5184 (*sc->sc_statchg)(&sc->sc_dev); 5185 ife->ifm_data = mii->mii_media_active; 5186 } 5187 return (0); 5188 } 5189 5190 void 5191 tlp_2114x_nway_auto(sc) 5192 struct tulip_softc *sc; 5193 { 5194 uint32_t siastat, siatxrx; 5195 5196 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5197 5198 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5199 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5200 siatxrx = 0xffbf; /* XXX magic number */ 5201 5202 /* Compute the link code word to advertise. */ 5203 if (sc->sc_sia_cap & BMSR_100T4) 5204 siatxrx |= SIATXRX_T4; 5205 if (sc->sc_sia_cap & BMSR_100TXFDX) 5206 siatxrx |= SIATXRX_TXF; 5207 if (sc->sc_sia_cap & BMSR_100TXHDX) 5208 siatxrx |= SIATXRX_THX; 5209 if (sc->sc_sia_cap & BMSR_10TFDX) 5210 sc->sc_opmode |= OPMODE_FD; 5211 if (sc->sc_sia_cap & BMSR_10THDX) 5212 siatxrx |= SIATXRX_TH; 5213 5214 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5215 5216 TULIP_WRITE(sc, CSR_SIACONN, 0); 5217 delay(1000); 5218 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5219 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5220 5221 siastat = TULIP_READ(sc, CSR_SIASTAT); 5222 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5223 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5224 siastat |= SIASTAT_ANS_TXDIS; 5225 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5226 } 5227 5228 void 5229 tlp_2114x_nway_status(sc) 5230 struct tulip_softc *sc; 5231 { 5232 struct mii_data *mii = &sc->sc_mii; 5233 uint32_t siatxrx, siastat, anlpar; 5234 5235 mii->mii_media_status = IFM_AVALID; 5236 mii->mii_media_active = IFM_ETHER; 5237 5238 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5239 return; 5240 5241 siastat = TULIP_READ(sc, CSR_SIASTAT); 5242 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5243 5244 if (siatxrx & SIATXRX_ANE) { 5245 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5246 /* Erg, still trying, I guess... */ 5247 mii->mii_media_active |= IFM_NONE; 5248 return; 5249 } 5250 5251 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5252 mii->mii_media_status |= IFM_ACTIVE; 5253 5254 if (siastat & SIASTAT_LPN) { 5255 anlpar = SIASTAT_GETLPC(siastat); 5256 if (anlpar & ANLPAR_T4 && 5257 sc->sc_sia_cap & BMSR_100T4) 5258 mii->mii_media_active |= IFM_100_T4; 5259 else if (anlpar & ANLPAR_TX_FD && 5260 sc->sc_sia_cap & BMSR_100TXFDX) 5261 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5262 else if (anlpar & ANLPAR_TX && 5263 sc->sc_sia_cap & BMSR_100TXHDX) 5264 mii->mii_media_active |= IFM_100_TX; 5265 else if (anlpar & ANLPAR_10_FD && 5266 sc->sc_sia_cap & BMSR_10TFDX) 5267 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5268 else if (anlpar & ANLPAR_10 && 5269 sc->sc_sia_cap & BMSR_10THDX) 5270 mii->mii_media_active |= IFM_10_T; 5271 else 5272 mii->mii_media_active |= IFM_NONE; 5273 } else { 5274 /* 5275 * If the other side doesn't support NWAY, then the 5276 * best we can do is determine if we have a 10Mbps or 5277 * 100Mbps link. There's no way to know if the link 5278 * is full or half duplex, so we default to half duplex 5279 * and hope that the user is clever enough to manually 5280 * change the media settings if we're wrong. 5281 */ 5282 if ((siastat & SIASTAT_LS100) == 0) 5283 mii->mii_media_active |= IFM_100_TX; 5284 else if ((siastat & SIASTAT_LS10) == 0) 5285 mii->mii_media_active |= IFM_10_T; 5286 else 5287 mii->mii_media_active |= IFM_NONE; 5288 } 5289 } else { 5290 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5291 mii->mii_media_status |= IFM_ACTIVE; 5292 5293 if (sc->sc_opmode & OPMODE_TTM) 5294 mii->mii_media_active |= IFM_10_T; 5295 else 5296 mii->mii_media_active |= IFM_100_TX; 5297 if (sc->sc_opmode & OPMODE_FD) 5298 mii->mii_media_active |= IFM_FDX; 5299 } 5300 } 5301 5302 void 5303 tlp_2114x_isv_tmsw_get(sc, ifmr) 5304 struct tulip_softc *sc; 5305 struct ifmediareq *ifmr; 5306 { 5307 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5308 struct tulip_21x4x_media *tm = ife->ifm_aux; 5309 5310 (*tm->tm_get)(sc, ifmr); 5311 } 5312 5313 int 5314 tlp_2114x_isv_tmsw_set(sc) 5315 struct tulip_softc *sc; 5316 { 5317 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5318 struct tulip_21x4x_media *tm = ife->ifm_aux; 5319 5320 /* 5321 * Check to see if we need to reset the chip, and do it. The 5322 * reset path will get the OPMODE register right the next 5323 * time through. 5324 */ 5325 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5326 return (tlp_init(&sc->sc_ethercom.ec_if)); 5327 5328 return ((*tm->tm_set)(sc)); 5329 } 5330 5331 /* 5332 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5333 */ 5334 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5335 5336 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5337 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5338 }; 5339 5340 void 5341 tlp_sio_mii_tmsw_init(sc) 5342 struct tulip_softc *sc; 5343 { 5344 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5345 5346 /* 5347 * We don't attach any media info structures to the ifmedia 5348 * entries, so if we're using a pre-init function that needs 5349 * that info, override it to one that doesn't. 5350 */ 5351 if (sc->sc_preinit == tlp_2114x_preinit) 5352 sc->sc_preinit = tlp_2114x_mii_preinit; 5353 5354 sc->sc_mii.mii_ifp = ifp; 5355 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5356 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5357 sc->sc_mii.mii_statchg = sc->sc_statchg; 5358 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5359 tlp_mediastatus); 5360 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5361 MII_OFFSET_ANY, 0); 5362 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5363 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5364 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5365 } else { 5366 sc->sc_flags |= TULIPF_HAS_MII; 5367 sc->sc_tick = tlp_mii_tick; 5368 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5369 } 5370 } 5371 5372 /* 5373 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5374 */ 5375 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5376 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5377 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5378 5379 const struct tulip_mediasw tlp_pnic_mediasw = { 5380 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5381 }; 5382 5383 void tlp_pnic_nway_statchg __P((struct device *)); 5384 void tlp_pnic_nway_tick __P((void *)); 5385 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5386 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5387 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5388 void tlp_pnic_nway_auto_timeout __P((void *)); 5389 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5390 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5391 5392 void 5393 tlp_pnic_tmsw_init(sc) 5394 struct tulip_softc *sc; 5395 { 5396 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5397 const char *sep = ""; 5398 5399 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5400 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5401 5402 sc->sc_mii.mii_ifp = ifp; 5403 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5404 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5405 sc->sc_mii.mii_statchg = sc->sc_statchg; 5406 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5407 tlp_mediastatus); 5408 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5409 MII_OFFSET_ANY, 0); 5410 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5411 /* XXX What about AUI/BNC support? */ 5412 printf("%s: ", sc->sc_dev.dv_xname); 5413 5414 tlp_pnic_nway_reset(sc); 5415 5416 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5417 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5418 PRINT("10baseT"); 5419 5420 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5421 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5422 PRINT("10baseT-FDX"); 5423 5424 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5425 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5426 PRINT("100baseTX"); 5427 5428 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5429 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5430 PNIC_NWAY_CAP100TXFDX); 5431 PRINT("100baseTX-FDX"); 5432 5433 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5434 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5435 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5436 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5437 PRINT("auto"); 5438 5439 printf("\n"); 5440 5441 sc->sc_statchg = tlp_pnic_nway_statchg; 5442 sc->sc_tick = tlp_pnic_nway_tick; 5443 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5444 } else { 5445 sc->sc_flags |= TULIPF_HAS_MII; 5446 sc->sc_tick = tlp_mii_tick; 5447 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5448 } 5449 5450 #undef ADD 5451 #undef PRINT 5452 } 5453 5454 void 5455 tlp_pnic_tmsw_get(sc, ifmr) 5456 struct tulip_softc *sc; 5457 struct ifmediareq *ifmr; 5458 { 5459 struct mii_data *mii = &sc->sc_mii; 5460 5461 if (sc->sc_flags & TULIPF_HAS_MII) 5462 tlp_mii_getmedia(sc, ifmr); 5463 else { 5464 mii->mii_media_status = 0; 5465 mii->mii_media_active = IFM_NONE; 5466 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5467 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5468 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5469 } 5470 } 5471 5472 int 5473 tlp_pnic_tmsw_set(sc) 5474 struct tulip_softc *sc; 5475 { 5476 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5477 struct mii_data *mii = &sc->sc_mii; 5478 5479 if (sc->sc_flags & TULIPF_HAS_MII) { 5480 /* 5481 * Make sure the built-in Tx jabber timer is disabled. 5482 */ 5483 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5484 5485 return (tlp_mii_setmedia(sc)); 5486 } 5487 5488 if (ifp->if_flags & IFF_UP) { 5489 mii->mii_media_status = 0; 5490 mii->mii_media_active = IFM_NONE; 5491 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5492 } 5493 5494 return (0); 5495 } 5496 5497 void 5498 tlp_pnic_nway_statchg(self) 5499 struct device *self; 5500 { 5501 struct tulip_softc *sc = (struct tulip_softc *)self; 5502 5503 /* Idle the transmit and receive processes. */ 5504 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5505 5506 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5507 OPMODE_SCR|OPMODE_HBD); 5508 5509 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5510 sc->sc_opmode |= OPMODE_TTM; 5511 TULIP_WRITE(sc, CSR_GPP, 5512 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5513 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5514 } else { 5515 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5516 TULIP_WRITE(sc, CSR_GPP, 5517 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5518 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5519 } 5520 5521 if (sc->sc_mii.mii_media_active & IFM_FDX) 5522 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5523 5524 /* 5525 * Write new OPMODE bits. This also restarts the transmit 5526 * and receive processes. 5527 */ 5528 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5529 } 5530 5531 void 5532 tlp_pnic_nway_tick(arg) 5533 void *arg; 5534 { 5535 struct tulip_softc *sc = arg; 5536 int s; 5537 5538 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5539 return; 5540 5541 s = splnet(); 5542 tlp_pnic_nway_service(sc, MII_TICK); 5543 splx(s); 5544 5545 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5546 } 5547 5548 /* 5549 * Support for the Lite-On PNIC internal NWay block. This is constructed 5550 * somewhat like a PHY driver for simplicity. 5551 */ 5552 5553 int 5554 tlp_pnic_nway_service(sc, cmd) 5555 struct tulip_softc *sc; 5556 int cmd; 5557 { 5558 struct mii_data *mii = &sc->sc_mii; 5559 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5560 5561 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5562 return (0); 5563 5564 switch (cmd) { 5565 case MII_POLLSTAT: 5566 /* Nothing special to do here. */ 5567 break; 5568 5569 case MII_MEDIACHG: 5570 switch (IFM_SUBTYPE(ife->ifm_media)) { 5571 case IFM_AUTO: 5572 (void) tlp_pnic_nway_auto(sc, 1); 5573 break; 5574 case IFM_100_T4: 5575 /* 5576 * XXX Not supported as a manual setting right now. 5577 */ 5578 return (EINVAL); 5579 default: 5580 /* 5581 * NWAY register data is stored in the ifmedia entry. 5582 */ 5583 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5584 } 5585 break; 5586 5587 case MII_TICK: 5588 /* 5589 * Only used for autonegotiation. 5590 */ 5591 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5592 return (0); 5593 5594 /* 5595 * Check to see if we have link. If we do, we don't 5596 * need to restart the autonegotiation process. 5597 */ 5598 if (sc->sc_flags & TULIPF_LINK_UP) 5599 return (0); 5600 5601 /* 5602 * Only retry autonegotiation every 5 seconds. 5603 */ 5604 if (++sc->sc_nway_ticks != 5) 5605 return (0); 5606 5607 sc->sc_nway_ticks = 0; 5608 tlp_pnic_nway_reset(sc); 5609 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5610 return (0); 5611 break; 5612 } 5613 5614 /* Update the media status. */ 5615 tlp_pnic_nway_status(sc); 5616 5617 /* Callback if something changed. */ 5618 if ((sc->sc_nway_active == NULL || 5619 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5620 cmd == MII_MEDIACHG) { 5621 (*sc->sc_statchg)(&sc->sc_dev); 5622 tlp_nway_activate(sc, mii->mii_media_active); 5623 } 5624 return (0); 5625 } 5626 5627 void 5628 tlp_pnic_nway_reset(sc) 5629 struct tulip_softc *sc; 5630 { 5631 5632 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5633 delay(100); 5634 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5635 } 5636 5637 int 5638 tlp_pnic_nway_auto(sc, waitfor) 5639 struct tulip_softc *sc; 5640 int waitfor; 5641 { 5642 struct mii_data *mii = &sc->sc_mii; 5643 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5644 u_int32_t reg; 5645 int i; 5646 5647 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5648 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5649 5650 if (waitfor) { 5651 /* Wait 500ms for it to complete. */ 5652 for (i = 0; i < 500; i++) { 5653 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5654 if (reg & PNIC_NWAY_LPAR_MASK) { 5655 tlp_pnic_nway_acomp(sc); 5656 return (0); 5657 } 5658 delay(1000); 5659 } 5660 #if 0 5661 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5662 printf("%s: autonegotiation failed to complete\n", 5663 sc->sc_dev.dv_xname); 5664 #endif 5665 5666 /* 5667 * Don't need to worry about clearing DOINGAUTO. 5668 * If that's set, a timeout is pending, and it will 5669 * clear the flag. 5670 */ 5671 return (EIO); 5672 } 5673 5674 /* 5675 * Just let it finish asynchronously. This is for the benefit of 5676 * the tick handler driving autonegotiation. Don't want 500ms 5677 * delays all the time while the system is running! 5678 */ 5679 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5680 sc->sc_flags |= TULIPF_DOINGAUTO; 5681 callout_reset(&sc->sc_nway_callout, hz >> 1, 5682 tlp_pnic_nway_auto_timeout, sc); 5683 } 5684 return (EJUSTRETURN); 5685 } 5686 5687 void 5688 tlp_pnic_nway_auto_timeout(arg) 5689 void *arg; 5690 { 5691 struct tulip_softc *sc = arg; 5692 u_int32_t reg; 5693 int s; 5694 5695 s = splnet(); 5696 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5697 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5698 #if 0 5699 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5700 printf("%s: autonegotiation failed to complete\n", 5701 sc->sc_dev.dv_xname); 5702 #endif 5703 5704 tlp_pnic_nway_acomp(sc); 5705 5706 /* Update the media status. */ 5707 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5708 splx(s); 5709 } 5710 5711 void 5712 tlp_pnic_nway_status(sc) 5713 struct tulip_softc *sc; 5714 { 5715 struct mii_data *mii = &sc->sc_mii; 5716 u_int32_t reg; 5717 5718 mii->mii_media_status = IFM_AVALID; 5719 mii->mii_media_active = IFM_ETHER; 5720 5721 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5722 5723 if (sc->sc_flags & TULIPF_LINK_UP) 5724 mii->mii_media_status |= IFM_ACTIVE; 5725 5726 if (reg & PNIC_NWAY_NW) { 5727 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5728 /* Erg, still trying, I guess... */ 5729 mii->mii_media_active |= IFM_NONE; 5730 return; 5731 } 5732 5733 #if 0 5734 if (reg & PNIC_NWAY_LPAR100T4) 5735 mii->mii_media_active |= IFM_100_T4; 5736 else 5737 #endif 5738 if (reg & PNIC_NWAY_LPAR100TXFDX) 5739 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5740 else if (reg & PNIC_NWAY_LPAR100TX) 5741 mii->mii_media_active |= IFM_100_TX; 5742 else if (reg & PNIC_NWAY_LPAR10TFDX) 5743 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5744 else if (reg & PNIC_NWAY_LPAR10T) 5745 mii->mii_media_active |= IFM_10_T; 5746 else 5747 mii->mii_media_active |= IFM_NONE; 5748 } else { 5749 if (reg & PNIC_NWAY_100) 5750 mii->mii_media_active |= IFM_100_TX; 5751 else 5752 mii->mii_media_active |= IFM_10_T; 5753 if (reg & PNIC_NWAY_FD) 5754 mii->mii_media_active |= IFM_FDX; 5755 } 5756 } 5757 5758 void 5759 tlp_pnic_nway_acomp(sc) 5760 struct tulip_softc *sc; 5761 { 5762 u_int32_t reg; 5763 5764 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5765 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5766 5767 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5768 reg |= PNIC_NWAY_100; 5769 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5770 reg |= PNIC_NWAY_FD; 5771 5772 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5773 } 5774 5775 /* 5776 * Macronix PMAC and Lite-On PNIC-II media switch: 5777 * 5778 * MX98713 and MX98713A 21140-like MII or GPIO media. 5779 * 5780 * MX98713A 21143-like MII or SIA/SYM media. 5781 * 5782 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5783 * 82C115, MX98715AEC-C, -E 5784 * 5785 * So, what we do here is fake MII-on-SIO or ISV media info, and 5786 * use the ISV media switch get/set functions to handle the rest. 5787 */ 5788 5789 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5790 5791 const struct tulip_mediasw tlp_pmac_mediasw = { 5792 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5793 }; 5794 5795 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5796 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5797 }; 5798 5799 void 5800 tlp_pmac_tmsw_init(sc) 5801 struct tulip_softc *sc; 5802 { 5803 static const u_int8_t media[] = { 5804 TULIP_ROM_MB_MEDIA_TP, 5805 TULIP_ROM_MB_MEDIA_TP_FDX, 5806 TULIP_ROM_MB_MEDIA_100TX, 5807 TULIP_ROM_MB_MEDIA_100TX_FDX, 5808 }; 5809 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5810 struct tulip_21x4x_media *tm; 5811 5812 sc->sc_mii.mii_ifp = ifp; 5813 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5814 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5815 sc->sc_mii.mii_statchg = sc->sc_statchg; 5816 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5817 tlp_mediastatus); 5818 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5819 sc->sc_chip == TULIP_CHIP_MX98713A) { 5820 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5821 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5822 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5823 sc->sc_flags |= TULIPF_HAS_MII; 5824 sc->sc_tick = tlp_mii_tick; 5825 sc->sc_preinit = tlp_2114x_mii_preinit; 5826 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5827 ifmedia_set(&sc->sc_mii.mii_media, 5828 IFM_ETHER|IFM_AUTO); 5829 return; 5830 } 5831 } 5832 5833 switch (sc->sc_chip) { 5834 case TULIP_CHIP_MX98713: 5835 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5836 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5837 5838 /* 5839 * XXX Should implement auto-sense for this someday, 5840 * XXX when we do the same for the 21140. 5841 */ 5842 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5843 break; 5844 5845 default: 5846 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5847 tlp_sia_get, tlp_sia_set, media, 2); 5848 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5849 tlp_sia_get, tlp_sia_set, media + 2, 2); 5850 5851 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5852 tm->tm_name = "auto"; 5853 tm->tm_get = tlp_2114x_nway_get; 5854 tm->tm_set = tlp_2114x_nway_set; 5855 ifmedia_add(&sc->sc_mii.mii_media, 5856 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5857 5858 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5859 sc->sc_statchg = tlp_2114x_nway_statchg; 5860 sc->sc_tick = tlp_2114x_nway_tick; 5861 break; 5862 } 5863 5864 tlp_print_media(sc); 5865 tlp_sia_fixup(sc); 5866 5867 /* Set the LED modes. */ 5868 tlp_pmac_reset(sc); 5869 5870 sc->sc_reset = tlp_pmac_reset; 5871 } 5872 5873 /* 5874 * ADMtek AL981 media switch. Only has internal PHY. 5875 */ 5876 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5877 5878 const struct tulip_mediasw tlp_al981_mediasw = { 5879 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5880 }; 5881 5882 void 5883 tlp_al981_tmsw_init(sc) 5884 struct tulip_softc *sc; 5885 { 5886 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5887 5888 sc->sc_mii.mii_ifp = ifp; 5889 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5890 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5891 sc->sc_mii.mii_statchg = sc->sc_statchg; 5892 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5893 tlp_mediastatus); 5894 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5895 MII_OFFSET_ANY, 0); 5896 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5897 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5898 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5899 } else { 5900 sc->sc_flags |= TULIPF_HAS_MII; 5901 sc->sc_tick = tlp_mii_tick; 5902 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5903 } 5904 } 5905 5906 /* 5907 * ADMtek AN983/985 media switch. Only has internal PHY, but 5908 * on an SIO-like interface. Unfortunately, we can't use the 5909 * standard SIO media switch, because the AN985 "ghosts" the 5910 * singly PHY at every address. 5911 */ 5912 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5913 5914 const struct tulip_mediasw tlp_an985_mediasw = { 5915 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5916 }; 5917 5918 void 5919 tlp_an985_tmsw_init(sc) 5920 struct tulip_softc *sc; 5921 { 5922 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5923 5924 sc->sc_mii.mii_ifp = ifp; 5925 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5926 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5927 sc->sc_mii.mii_statchg = sc->sc_statchg; 5928 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5929 tlp_mediastatus); 5930 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5931 MII_OFFSET_ANY, 0); 5932 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5933 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5934 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5935 } else { 5936 sc->sc_flags |= TULIPF_HAS_MII; 5937 sc->sc_tick = tlp_mii_tick; 5938 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5939 } 5940 } 5941 5942 /* 5943 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5944 */ 5945 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5946 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5947 struct ifmediareq *)); 5948 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5949 5950 const struct tulip_mediasw tlp_dm9102_mediasw = { 5951 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5952 tlp_dm9102_tmsw_setmedia 5953 }; 5954 5955 void 5956 tlp_dm9102_tmsw_init(sc) 5957 struct tulip_softc *sc; 5958 { 5959 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5960 u_int32_t opmode; 5961 5962 sc->sc_mii.mii_ifp = ifp; 5963 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5964 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5965 sc->sc_mii.mii_statchg = sc->sc_statchg; 5966 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5967 tlp_mediastatus); 5968 5969 /* PHY block already reset via tlp_reset(). */ 5970 5971 /* 5972 * Configure OPMODE properly for the internal MII interface. 5973 */ 5974 switch (sc->sc_chip) { 5975 case TULIP_CHIP_DM9102: 5976 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5977 break; 5978 5979 case TULIP_CHIP_DM9102A: 5980 opmode = OPMODE_MBO|OPMODE_HBD; 5981 break; 5982 5983 default: 5984 /* Nothing. */ 5985 break; 5986 } 5987 5988 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5989 5990 /* Now, probe the internal MII for the internal PHY. */ 5991 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5992 MII_OFFSET_ANY, 0); 5993 5994 /* 5995 * XXX Figure out what to do about the HomePNA portion 5996 * XXX of the DM9102A. 5997 */ 5998 5999 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6000 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6001 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6002 } else { 6003 sc->sc_flags |= TULIPF_HAS_MII; 6004 sc->sc_tick = tlp_mii_tick; 6005 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6006 } 6007 } 6008 6009 void 6010 tlp_dm9102_tmsw_getmedia(sc, ifmr) 6011 struct tulip_softc *sc; 6012 struct ifmediareq *ifmr; 6013 { 6014 6015 /* XXX HomePNA on DM9102A. */ 6016 tlp_mii_getmedia(sc, ifmr); 6017 } 6018 6019 int 6020 tlp_dm9102_tmsw_setmedia(sc) 6021 struct tulip_softc *sc; 6022 { 6023 6024 /* XXX HomePNA on DM9102A. */ 6025 return (tlp_mii_setmedia(sc)); 6026 } 6027
Indexes created Sun Sep 28 07:09:56 GMT 2025