tulip.c revision 1.123
1 /* $NetBSD: tulip.c,v 1.123 2003/09/07 10:45:11 tsutsui 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 1.123 2003/09/07 10:45:11 tsutsui 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; 689 bus_dmamap_t dmamap; 690 int error, firsttx, nexttx, lasttx, 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 /* Set `first segment' and `last segment' appropriately. */ 840 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 841 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 842 843 #ifdef TLP_DEBUG 844 if (ifp->if_flags & IFF_DEBUG) { 845 printf(" txsoft %p transmit chain:\n", txs); 846 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 847 printf(" descriptor %d:\n", seg); 848 printf(" td_status: 0x%08x\n", 849 le32toh(sc->sc_txdescs[seg].td_status)); 850 printf(" td_ctl: 0x%08x\n", 851 le32toh(sc->sc_txdescs[seg].td_ctl)); 852 printf(" td_bufaddr1: 0x%08x\n", 853 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 854 printf(" td_bufaddr2: 0x%08x\n", 855 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 856 if (seg == lasttx) 857 break; 858 } 859 } 860 #endif 861 862 /* Sync the descriptors we're using. */ 863 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 864 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 865 866 /* 867 * Store a pointer to the packet so we can free it later, 868 * and remember what txdirty will be once the packet is 869 * done. 870 */ 871 txs->txs_mbuf = m0; 872 txs->txs_firstdesc = sc->sc_txnext; 873 txs->txs_lastdesc = lasttx; 874 txs->txs_ndescs = dmamap->dm_nsegs; 875 876 /* Advance the tx pointer. */ 877 sc->sc_txfree -= dmamap->dm_nsegs; 878 sc->sc_txnext = nexttx; 879 880 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 881 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 882 883 last_txs = txs; 884 885 #if NBPFILTER > 0 886 /* 887 * Pass the packet to any BPF listeners. 888 */ 889 if (ifp->if_bpf) 890 bpf_mtap(ifp->if_bpf, m0); 891 #endif /* NBPFILTER > 0 */ 892 } 893 894 if (txs == NULL || sc->sc_txfree == 0) { 895 /* No more slots left; notify upper layer. */ 896 ifp->if_flags |= IFF_OACTIVE; 897 } 898 899 if (sc->sc_txfree != ofree) { 900 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 901 sc->sc_dev.dv_xname, lasttx, firsttx)); 902 /* 903 * Cause a transmit interrupt to happen on the 904 * last packet we enqueued. 905 */ 906 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 907 TULIP_CDTXSYNC(sc, lasttx, 1, 908 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 909 910 /* 911 * Some clone chips want IC on the *first* segment in 912 * the packet. Appease them. 913 */ 914 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 915 last_txs->txs_firstdesc != lasttx) { 916 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 917 htole32(TDCTL_Tx_IC); 918 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 919 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 920 } 921 922 /* 923 * The entire packet chain is set up. Give the 924 * first descriptor to the chip now. 925 */ 926 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 927 TULIP_CDTXSYNC(sc, firsttx, 1, 928 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 929 930 /* Wake up the transmitter. */ 931 /* XXX USE AUTOPOLLING? */ 932 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 933 934 /* Set a watchdog timer in case the chip flakes out. */ 935 ifp->if_timer = 5; 936 } 937 } 938 939 /* 940 * tlp_watchdog: [ifnet interface function] 941 * 942 * Watchdog timer handler. 943 */ 944 void 945 tlp_watchdog(ifp) 946 struct ifnet *ifp; 947 { 948 struct tulip_softc *sc = ifp->if_softc; 949 int doing_setup, doing_transmit; 950 951 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 952 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 953 954 if (doing_setup && doing_transmit) { 955 printf("%s: filter setup and transmit timeout\n", 956 sc->sc_dev.dv_xname); 957 ifp->if_oerrors++; 958 } else if (doing_transmit) { 959 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 960 ifp->if_oerrors++; 961 } else if (doing_setup) 962 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 963 else 964 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 965 966 (void) tlp_init(ifp); 967 968 /* Try to get more packets going. */ 969 tlp_start(ifp); 970 } 971 972 /* 973 * tlp_ioctl: [ifnet interface function] 974 * 975 * Handle control requests from the operator. 976 */ 977 int 978 tlp_ioctl(ifp, cmd, data) 979 struct ifnet *ifp; 980 u_long cmd; 981 caddr_t data; 982 { 983 struct tulip_softc *sc = ifp->if_softc; 984 struct ifreq *ifr = (struct ifreq *)data; 985 int s, error; 986 987 s = splnet(); 988 989 switch (cmd) { 990 case SIOCSIFMEDIA: 991 case SIOCGIFMEDIA: 992 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 993 break; 994 995 default: 996 error = ether_ioctl(ifp, cmd, data); 997 if (error == ENETRESET) { 998 if (TULIP_IS_ENABLED(sc)) { 999 /* 1000 * Multicast list has changed. Set the 1001 * hardware filter accordingly. 1002 */ 1003 (*sc->sc_filter_setup)(sc); 1004 } 1005 error = 0; 1006 } 1007 break; 1008 } 1009 1010 /* Try to get more packets going. */ 1011 if (TULIP_IS_ENABLED(sc)) 1012 tlp_start(ifp); 1013 1014 splx(s); 1015 return (error); 1016 } 1017 1018 /* 1019 * tlp_intr: 1020 * 1021 * Interrupt service routine. 1022 */ 1023 int 1024 tlp_intr(arg) 1025 void *arg; 1026 { 1027 struct tulip_softc *sc = arg; 1028 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1029 u_int32_t status, rxstatus, txstatus; 1030 int handled = 0, txthresh; 1031 1032 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1033 1034 #ifdef DEBUG 1035 if (TULIP_IS_ENABLED(sc) == 0) 1036 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname); 1037 #endif 1038 1039 /* 1040 * If the interface isn't running, the interrupt couldn't 1041 * possibly have come from us. 1042 */ 1043 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1044 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1045 return (0); 1046 1047 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1048 switch (sc->sc_chip) { 1049 case TULIP_CHIP_DM9102: 1050 case TULIP_CHIP_DM9102A: 1051 TULIP_WRITE(sc, CSR_INTEN, 0); 1052 break; 1053 1054 default: 1055 /* Nothing. */ 1056 break; 1057 } 1058 1059 for (;;) { 1060 status = TULIP_READ(sc, CSR_STATUS); 1061 if (status) 1062 TULIP_WRITE(sc, CSR_STATUS, status); 1063 1064 if ((status & sc->sc_inten) == 0) 1065 break; 1066 1067 handled = 1; 1068 1069 rxstatus = status & sc->sc_rxint_mask; 1070 txstatus = status & sc->sc_txint_mask; 1071 1072 if (rxstatus) { 1073 /* Grab new any new packets. */ 1074 tlp_rxintr(sc); 1075 1076 if (rxstatus & STATUS_RWT) 1077 printf("%s: receive watchdog timeout\n", 1078 sc->sc_dev.dv_xname); 1079 1080 if (rxstatus & STATUS_RU) { 1081 printf("%s: receive ring overrun\n", 1082 sc->sc_dev.dv_xname); 1083 /* Get the receive process going again. */ 1084 if (sc->sc_tdctl_er != TDCTL_ER) { 1085 tlp_idle(sc, OPMODE_SR); 1086 TULIP_WRITE(sc, CSR_RXLIST, 1087 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1088 TULIP_WRITE(sc, CSR_OPMODE, 1089 sc->sc_opmode); 1090 } 1091 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1092 break; 1093 } 1094 } 1095 1096 if (txstatus) { 1097 /* Sweep up transmit descriptors. */ 1098 tlp_txintr(sc); 1099 1100 if (txstatus & STATUS_TJT) 1101 printf("%s: transmit jabber timeout\n", 1102 sc->sc_dev.dv_xname); 1103 1104 if (txstatus & STATUS_UNF) { 1105 /* 1106 * Increase our transmit threshold if 1107 * another is available. 1108 */ 1109 txthresh = sc->sc_txthresh + 1; 1110 if (sc->sc_txth[txthresh].txth_name != NULL) { 1111 /* Idle the transmit process. */ 1112 tlp_idle(sc, OPMODE_ST); 1113 1114 sc->sc_txthresh = txthresh; 1115 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1116 sc->sc_opmode |= 1117 sc->sc_txth[txthresh].txth_opmode; 1118 printf("%s: transmit underrun; new " 1119 "threshold: %s\n", 1120 sc->sc_dev.dv_xname, 1121 sc->sc_txth[txthresh].txth_name); 1122 1123 /* 1124 * Set the new threshold and restart 1125 * the transmit process. 1126 */ 1127 TULIP_WRITE(sc, CSR_OPMODE, 1128 sc->sc_opmode); 1129 } 1130 /* 1131 * XXX Log every Nth underrun from 1132 * XXX now on? 1133 */ 1134 } 1135 } 1136 1137 if (status & (STATUS_TPS|STATUS_RPS)) { 1138 if (status & STATUS_TPS) 1139 printf("%s: transmit process stopped\n", 1140 sc->sc_dev.dv_xname); 1141 if (status & STATUS_RPS) 1142 printf("%s: receive process stopped\n", 1143 sc->sc_dev.dv_xname); 1144 (void) tlp_init(ifp); 1145 break; 1146 } 1147 1148 if (status & STATUS_SE) { 1149 const char *str; 1150 switch (status & STATUS_EB) { 1151 case STATUS_EB_PARITY: 1152 str = "parity error"; 1153 break; 1154 1155 case STATUS_EB_MABT: 1156 str = "master abort"; 1157 break; 1158 1159 case STATUS_EB_TABT: 1160 str = "target abort"; 1161 break; 1162 1163 default: 1164 str = "unknown error"; 1165 break; 1166 } 1167 printf("%s: fatal system error: %s\n", 1168 sc->sc_dev.dv_xname, str); 1169 (void) tlp_init(ifp); 1170 break; 1171 } 1172 1173 /* 1174 * Not handled: 1175 * 1176 * Transmit buffer unavailable -- normal 1177 * condition, nothing to do, really. 1178 * 1179 * General purpose timer experied -- we don't 1180 * use the general purpose timer. 1181 * 1182 * Early receive interrupt -- not available on 1183 * all chips, we just use RI. We also only 1184 * use single-segment receive DMA, so this 1185 * is mostly useless. 1186 */ 1187 } 1188 1189 /* Bring interrupts back up on the DM9102. */ 1190 switch (sc->sc_chip) { 1191 case TULIP_CHIP_DM9102: 1192 case TULIP_CHIP_DM9102A: 1193 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1194 break; 1195 1196 default: 1197 /* Nothing. */ 1198 break; 1199 } 1200 1201 /* Try to get more packets going. */ 1202 tlp_start(ifp); 1203 1204 #if NRND > 0 1205 if (handled) 1206 rnd_add_uint32(&sc->sc_rnd_source, status); 1207 #endif 1208 return (handled); 1209 } 1210 1211 /* 1212 * tlp_rxintr: 1213 * 1214 * Helper; handle receive interrupts. 1215 */ 1216 void 1217 tlp_rxintr(sc) 1218 struct tulip_softc *sc; 1219 { 1220 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1221 struct ether_header *eh; 1222 struct tulip_rxsoft *rxs; 1223 struct mbuf *m; 1224 u_int32_t rxstat; 1225 int i, len; 1226 1227 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1228 rxs = &sc->sc_rxsoft[i]; 1229 1230 TULIP_CDRXSYNC(sc, i, 1231 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1232 1233 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1234 1235 if (rxstat & TDSTAT_OWN) { 1236 /* 1237 * We have processed all of the receive buffers. 1238 */ 1239 break; 1240 } 1241 1242 /* 1243 * Make sure the packet fit in one buffer. This should 1244 * always be the case. But the Lite-On PNIC, rev 33 1245 * has an awful receive engine bug, which may require 1246 * a very icky work-around. 1247 */ 1248 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1249 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1250 printf("%s: incoming packet spilled, resetting\n", 1251 sc->sc_dev.dv_xname); 1252 (void) tlp_init(ifp); 1253 return; 1254 } 1255 1256 /* 1257 * If any collisions were seen on the wire, count one. 1258 */ 1259 if (rxstat & TDSTAT_Rx_CS) 1260 ifp->if_collisions++; 1261 1262 /* 1263 * If an error occurred, update stats, clear the status 1264 * word, and leave the packet buffer in place. It will 1265 * simply be reused the next time the ring comes around. 1266 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1267 * error. 1268 */ 1269 if (rxstat & TDSTAT_ES && 1270 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1271 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1272 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1273 #define PRINTERR(bit, str) \ 1274 if (rxstat & (bit)) \ 1275 printf("%s: receive error: %s\n", \ 1276 sc->sc_dev.dv_xname, str) 1277 ifp->if_ierrors++; 1278 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1279 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1280 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1281 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1282 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1283 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1284 #undef PRINTERR 1285 TULIP_INIT_RXDESC(sc, i); 1286 continue; 1287 } 1288 1289 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1290 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1291 1292 /* 1293 * No errors; receive the packet. Note the Tulip 1294 * includes the CRC with every packet. 1295 */ 1296 len = TDSTAT_Rx_LENGTH(rxstat); 1297 1298 #ifdef __NO_STRICT_ALIGNMENT 1299 /* 1300 * Allocate a new mbuf cluster. If that fails, we are 1301 * out of memory, and must drop the packet and recycle 1302 * the buffer that's already attached to this descriptor. 1303 */ 1304 m = rxs->rxs_mbuf; 1305 if (tlp_add_rxbuf(sc, i) != 0) { 1306 ifp->if_ierrors++; 1307 TULIP_INIT_RXDESC(sc, i); 1308 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1309 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1310 continue; 1311 } 1312 #else 1313 /* 1314 * The Tulip's receive buffers must be 4-byte aligned. 1315 * But this means that the data after the Ethernet header 1316 * is misaligned. We must allocate a new buffer and 1317 * copy the data, shifted forward 2 bytes. 1318 */ 1319 MGETHDR(m, M_DONTWAIT, MT_DATA); 1320 if (m == NULL) { 1321 dropit: 1322 ifp->if_ierrors++; 1323 TULIP_INIT_RXDESC(sc, i); 1324 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1325 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1326 continue; 1327 } 1328 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1329 if (len > (MHLEN - 2)) { 1330 MCLGET(m, M_DONTWAIT); 1331 if ((m->m_flags & M_EXT) == 0) { 1332 m_freem(m); 1333 goto dropit; 1334 } 1335 } 1336 m->m_data += 2; 1337 1338 /* 1339 * Note that we use clusters for incoming frames, so the 1340 * buffer is virtually contiguous. 1341 */ 1342 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1343 1344 /* Allow the receive descriptor to continue using its mbuf. */ 1345 TULIP_INIT_RXDESC(sc, i); 1346 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1347 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1348 #endif /* __NO_STRICT_ALIGNMENT */ 1349 1350 ifp->if_ipackets++; 1351 eh = mtod(m, struct ether_header *); 1352 m->m_flags |= M_HASFCS; 1353 m->m_pkthdr.rcvif = ifp; 1354 m->m_pkthdr.len = m->m_len = len; 1355 1356 #if NBPFILTER > 0 1357 /* 1358 * Pass this up to any BPF listeners, but only 1359 * pass it up the stack if its for us. 1360 */ 1361 if (ifp->if_bpf) 1362 bpf_mtap(ifp->if_bpf, m); 1363 #endif /* NPBFILTER > 0 */ 1364 1365 /* 1366 * We sometimes have to run the 21140 in Hash-Only 1367 * mode. If we're in that mode, and not in promiscuous 1368 * mode, and we have a unicast packet that isn't for 1369 * us, then drop it. 1370 */ 1371 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1372 (ifp->if_flags & IFF_PROMISC) == 0 && 1373 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1374 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1375 ETHER_ADDR_LEN) != 0) { 1376 m_freem(m); 1377 continue; 1378 } 1379 1380 /* Pass it on. */ 1381 (*ifp->if_input)(ifp, m); 1382 } 1383 1384 /* Update the receive pointer. */ 1385 sc->sc_rxptr = i; 1386 } 1387 1388 /* 1389 * tlp_txintr: 1390 * 1391 * Helper; handle transmit interrupts. 1392 */ 1393 void 1394 tlp_txintr(sc) 1395 struct tulip_softc *sc; 1396 { 1397 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1398 struct tulip_txsoft *txs; 1399 u_int32_t txstat; 1400 1401 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1402 sc->sc_dev.dv_xname, sc->sc_flags)); 1403 1404 ifp->if_flags &= ~IFF_OACTIVE; 1405 1406 /* 1407 * Go through our Tx list and free mbufs for those 1408 * frames that have been transmitted. 1409 */ 1410 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1411 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1412 txs->txs_ndescs, 1413 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1414 1415 #ifdef TLP_DEBUG 1416 if (ifp->if_flags & IFF_DEBUG) { 1417 int i; 1418 printf(" txsoft %p transmit chain:\n", txs); 1419 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1420 printf(" descriptor %d:\n", i); 1421 printf(" td_status: 0x%08x\n", 1422 le32toh(sc->sc_txdescs[i].td_status)); 1423 printf(" td_ctl: 0x%08x\n", 1424 le32toh(sc->sc_txdescs[i].td_ctl)); 1425 printf(" td_bufaddr1: 0x%08x\n", 1426 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1427 printf(" td_bufaddr2: 0x%08x\n", 1428 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1429 if (i == txs->txs_lastdesc) 1430 break; 1431 } 1432 } 1433 #endif 1434 1435 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1436 if (txstat & TDSTAT_OWN) 1437 break; 1438 1439 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1440 1441 sc->sc_txfree += txs->txs_ndescs; 1442 1443 if (txs->txs_mbuf == NULL) { 1444 /* 1445 * If we didn't have an mbuf, it was the setup 1446 * packet. 1447 */ 1448 #ifdef DIAGNOSTIC 1449 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1450 panic("tlp_txintr: null mbuf, not doing setup"); 1451 #endif 1452 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1453 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1454 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1455 continue; 1456 } 1457 1458 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1459 0, txs->txs_dmamap->dm_mapsize, 1460 BUS_DMASYNC_POSTWRITE); 1461 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1462 m_freem(txs->txs_mbuf); 1463 txs->txs_mbuf = NULL; 1464 1465 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1466 1467 /* 1468 * Check for errors and collisions. 1469 */ 1470 #ifdef TLP_STATS 1471 if (txstat & TDSTAT_Tx_UF) 1472 sc->sc_stats.ts_tx_uf++; 1473 if (txstat & TDSTAT_Tx_TO) 1474 sc->sc_stats.ts_tx_to++; 1475 if (txstat & TDSTAT_Tx_EC) 1476 sc->sc_stats.ts_tx_ec++; 1477 if (txstat & TDSTAT_Tx_LC) 1478 sc->sc_stats.ts_tx_lc++; 1479 #endif 1480 1481 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1482 ifp->if_oerrors++; 1483 1484 if (txstat & TDSTAT_Tx_EC) 1485 ifp->if_collisions += 16; 1486 else 1487 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1488 if (txstat & TDSTAT_Tx_LC) 1489 ifp->if_collisions++; 1490 1491 ifp->if_opackets++; 1492 } 1493 1494 /* 1495 * If there are no more pending transmissions, cancel the watchdog 1496 * timer. 1497 */ 1498 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1499 ifp->if_timer = 0; 1500 1501 /* 1502 * If we have a receive filter setup pending, do it now. 1503 */ 1504 if (sc->sc_flags & TULIPF_WANT_SETUP) 1505 (*sc->sc_filter_setup)(sc); 1506 } 1507 1508 #ifdef TLP_STATS 1509 void 1510 tlp_print_stats(sc) 1511 struct tulip_softc *sc; 1512 { 1513 1514 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1515 sc->sc_dev.dv_xname, 1516 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1517 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1518 } 1519 #endif 1520 1521 /* 1522 * tlp_reset: 1523 * 1524 * Perform a soft reset on the Tulip. 1525 */ 1526 void 1527 tlp_reset(sc) 1528 struct tulip_softc *sc; 1529 { 1530 int i; 1531 1532 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1533 1534 /* 1535 * Xircom clone doesn't bring itself out of reset automatically. 1536 * Instead, we have to wait at least 50 PCI cycles, and then 1537 * clear SWR. 1538 */ 1539 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1540 delay(10); 1541 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1542 } 1543 1544 for (i = 0; i < 1000; i++) { 1545 /* 1546 * Wait at least 50 PCI cycles for the reset to 1547 * complete before peeking at the Tulip again. 1548 * 10 uSec is a bit longer than 50 PCI cycles 1549 * (at 33MHz), but it doesn't hurt have the extra 1550 * wait. 1551 */ 1552 delay(10); 1553 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1554 break; 1555 } 1556 1557 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1558 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1559 1560 delay(1000); 1561 1562 /* 1563 * If the board has any GPIO reset sequences to issue, do them now. 1564 */ 1565 if (sc->sc_reset != NULL) 1566 (*sc->sc_reset)(sc); 1567 } 1568 1569 /* 1570 * tlp_init: [ ifnet interface function ] 1571 * 1572 * Initialize the interface. Must be called at splnet(). 1573 */ 1574 int 1575 tlp_init(ifp) 1576 struct ifnet *ifp; 1577 { 1578 struct tulip_softc *sc = ifp->if_softc; 1579 struct tulip_txsoft *txs; 1580 struct tulip_rxsoft *rxs; 1581 int i, error = 0; 1582 1583 if ((error = tlp_enable(sc)) != 0) 1584 goto out; 1585 1586 /* 1587 * Cancel any pending I/O. 1588 */ 1589 tlp_stop(ifp, 0); 1590 1591 /* 1592 * Initialize `opmode' to 0, and call the pre-init routine, if 1593 * any. This is required because the 2114x and some of the 1594 * clones require that the media-related bits in `opmode' be 1595 * set before performing a soft-reset in order to get internal 1596 * chip pathways are correct. Yay! 1597 */ 1598 sc->sc_opmode = 0; 1599 if (sc->sc_preinit != NULL) 1600 (*sc->sc_preinit)(sc); 1601 1602 /* 1603 * Reset the Tulip to a known state. 1604 */ 1605 tlp_reset(sc); 1606 1607 /* 1608 * Initialize the BUSMODE register. 1609 */ 1610 sc->sc_busmode = BUSMODE_BAR; 1611 switch (sc->sc_chip) { 1612 case TULIP_CHIP_21140: 1613 case TULIP_CHIP_21140A: 1614 case TULIP_CHIP_21142: 1615 case TULIP_CHIP_21143: 1616 case TULIP_CHIP_82C115: 1617 case TULIP_CHIP_MX98725: 1618 /* 1619 * If we're allowed to do so, use Memory Read Line 1620 * and Memory Read Multiple. 1621 * 1622 * XXX Should we use Memory Write and Invalidate? 1623 */ 1624 if (sc->sc_flags & TULIPF_MRL) 1625 sc->sc_busmode |= BUSMODE_RLE; 1626 if (sc->sc_flags & TULIPF_MRM) 1627 sc->sc_busmode |= BUSMODE_RME; 1628 #if 0 1629 if (sc->sc_flags & TULIPF_MWI) 1630 sc->sc_busmode |= BUSMODE_WLE; 1631 #endif 1632 break; 1633 1634 case TULIP_CHIP_82C168: 1635 case TULIP_CHIP_82C169: 1636 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1637 if (sc->sc_maxburst == 0) 1638 sc->sc_maxburst = 16; 1639 break; 1640 1641 default: 1642 /* Nothing. */ 1643 break; 1644 } 1645 switch (sc->sc_cacheline) { 1646 default: 1647 /* 1648 * Note: We must *always* set these bits; a cache 1649 * alignment of 0 is RESERVED. 1650 */ 1651 case 8: 1652 sc->sc_busmode |= BUSMODE_CAL_8LW; 1653 break; 1654 case 16: 1655 sc->sc_busmode |= BUSMODE_CAL_16LW; 1656 break; 1657 case 32: 1658 sc->sc_busmode |= BUSMODE_CAL_32LW; 1659 break; 1660 } 1661 switch (sc->sc_maxburst) { 1662 case 1: 1663 sc->sc_busmode |= BUSMODE_PBL_1LW; 1664 break; 1665 case 2: 1666 sc->sc_busmode |= BUSMODE_PBL_2LW; 1667 break; 1668 case 4: 1669 sc->sc_busmode |= BUSMODE_PBL_4LW; 1670 break; 1671 case 8: 1672 sc->sc_busmode |= BUSMODE_PBL_8LW; 1673 break; 1674 case 16: 1675 sc->sc_busmode |= BUSMODE_PBL_16LW; 1676 break; 1677 case 32: 1678 sc->sc_busmode |= BUSMODE_PBL_32LW; 1679 break; 1680 default: 1681 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1682 break; 1683 } 1684 #if BYTE_ORDER == BIG_ENDIAN 1685 /* 1686 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1687 * support them, and even on ones that do, it doesn't 1688 * always work. So we always access descriptors with 1689 * little endian via htole32/le32toh. 1690 */ 1691 #endif 1692 /* 1693 * Big-endian bus requires BUSMODE_BLE anyway. 1694 * Also, BUSMODE_DBO is needed because we assume 1695 * descriptors are little endian. 1696 */ 1697 if (sc->sc_flags & TULIPF_BLE) 1698 sc->sc_busmode |= BUSMODE_BLE; 1699 if (sc->sc_flags & TULIPF_DBO) 1700 sc->sc_busmode |= BUSMODE_DBO; 1701 1702 /* 1703 * Some chips have a broken bus interface. 1704 */ 1705 switch (sc->sc_chip) { 1706 case TULIP_CHIP_DM9102: 1707 case TULIP_CHIP_DM9102A: 1708 sc->sc_busmode = 0; 1709 break; 1710 1711 default: 1712 /* Nothing. */ 1713 break; 1714 } 1715 1716 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1717 1718 /* 1719 * Initialize the OPMODE register. We don't write it until 1720 * we're ready to begin the transmit and receive processes. 1721 * 1722 * Media-related OPMODE bits are set in the media callbacks 1723 * for each specific chip/board. 1724 */ 1725 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1726 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1727 1728 /* 1729 * Magical mystery initialization on the Macronix chips. 1730 * The MX98713 uses its own magic value, the rest share 1731 * a common one. 1732 */ 1733 switch (sc->sc_chip) { 1734 case TULIP_CHIP_MX98713: 1735 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1736 break; 1737 1738 case TULIP_CHIP_MX98713A: 1739 case TULIP_CHIP_MX98715: 1740 case TULIP_CHIP_MX98715A: 1741 case TULIP_CHIP_MX98715AEC_X: 1742 case TULIP_CHIP_MX98725: 1743 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1744 break; 1745 1746 default: 1747 /* Nothing. */ 1748 break; 1749 } 1750 1751 /* 1752 * Initialize the transmit descriptor ring. 1753 */ 1754 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1755 for (i = 0; i < TULIP_NTXDESC; i++) { 1756 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1757 sc->sc_txdescs[i].td_bufaddr2 = 1758 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1759 } 1760 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1761 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1762 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1763 sc->sc_txfree = TULIP_NTXDESC; 1764 sc->sc_txnext = 0; 1765 1766 /* 1767 * Initialize the transmit job descriptors. 1768 */ 1769 SIMPLEQ_INIT(&sc->sc_txfreeq); 1770 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1771 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1772 txs = &sc->sc_txsoft[i]; 1773 txs->txs_mbuf = NULL; 1774 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1775 } 1776 1777 /* 1778 * Initialize the receive descriptor and receive job 1779 * descriptor rings. 1780 */ 1781 for (i = 0; i < TULIP_NRXDESC; i++) { 1782 rxs = &sc->sc_rxsoft[i]; 1783 if (rxs->rxs_mbuf == NULL) { 1784 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1785 printf("%s: unable to allocate or map rx " 1786 "buffer %d, error = %d\n", 1787 sc->sc_dev.dv_xname, i, error); 1788 /* 1789 * XXX Should attempt to run with fewer receive 1790 * XXX buffers instead of just failing. 1791 */ 1792 tlp_rxdrain(sc); 1793 goto out; 1794 } 1795 } else 1796 TULIP_INIT_RXDESC(sc, i); 1797 } 1798 sc->sc_rxptr = 0; 1799 1800 /* 1801 * Initialize the interrupt mask and enable interrupts. 1802 */ 1803 /* normal interrupts */ 1804 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1805 1806 /* abnormal interrupts */ 1807 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1808 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1809 1810 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1811 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1812 1813 switch (sc->sc_chip) { 1814 case TULIP_CHIP_WB89C840F: 1815 /* 1816 * Clear bits that we don't want that happen to 1817 * overlap or don't exist. 1818 */ 1819 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1820 break; 1821 1822 default: 1823 /* Nothing. */ 1824 break; 1825 } 1826 1827 sc->sc_rxint_mask &= sc->sc_inten; 1828 sc->sc_txint_mask &= sc->sc_inten; 1829 1830 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1831 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1832 1833 /* 1834 * Give the transmit and receive rings to the Tulip. 1835 */ 1836 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1837 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1838 1839 /* 1840 * On chips that do this differently, set the station address. 1841 */ 1842 switch (sc->sc_chip) { 1843 case TULIP_CHIP_WB89C840F: 1844 { 1845 /* XXX Do this with stream writes? */ 1846 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1847 1848 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1849 bus_space_write_1(sc->sc_st, sc->sc_sh, 1850 cpa + i, LLADDR(ifp->if_sadl)[i]); 1851 } 1852 break; 1853 } 1854 1855 case TULIP_CHIP_AL981: 1856 case TULIP_CHIP_AN983: 1857 case TULIP_CHIP_AN985: 1858 { 1859 u_int32_t reg; 1860 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1861 1862 reg = enaddr[0] | 1863 (enaddr[1] << 8) | 1864 (enaddr[2] << 16) | 1865 (enaddr[3] << 24); 1866 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1867 1868 reg = enaddr[4] | 1869 (enaddr[5] << 8); 1870 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1871 } 1872 1873 default: 1874 /* Nothing. */ 1875 break; 1876 } 1877 1878 /* 1879 * Set the receive filter. This will start the transmit and 1880 * receive processes. 1881 */ 1882 (*sc->sc_filter_setup)(sc); 1883 1884 /* 1885 * Set the current media. 1886 */ 1887 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1888 1889 /* 1890 * Start the receive process. 1891 */ 1892 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1893 1894 if (sc->sc_tick != NULL) { 1895 /* Start the one second clock. */ 1896 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1897 } 1898 1899 /* 1900 * Note that the interface is now running. 1901 */ 1902 ifp->if_flags |= IFF_RUNNING; 1903 ifp->if_flags &= ~IFF_OACTIVE; 1904 1905 out: 1906 if (error) { 1907 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1908 ifp->if_timer = 0; 1909 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1910 } 1911 return (error); 1912 } 1913 1914 /* 1915 * tlp_enable: 1916 * 1917 * Enable the Tulip chip. 1918 */ 1919 int 1920 tlp_enable(sc) 1921 struct tulip_softc *sc; 1922 { 1923 1924 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1925 if ((*sc->sc_enable)(sc) != 0) { 1926 printf("%s: device enable failed\n", 1927 sc->sc_dev.dv_xname); 1928 return (EIO); 1929 } 1930 sc->sc_flags |= TULIPF_ENABLED; 1931 } 1932 return (0); 1933 } 1934 1935 /* 1936 * tlp_disable: 1937 * 1938 * Disable the Tulip chip. 1939 */ 1940 void 1941 tlp_disable(sc) 1942 struct tulip_softc *sc; 1943 { 1944 1945 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1946 (*sc->sc_disable)(sc); 1947 sc->sc_flags &= ~TULIPF_ENABLED; 1948 } 1949 } 1950 1951 /* 1952 * tlp_power: 1953 * 1954 * Power management (suspend/resume) hook. 1955 */ 1956 void 1957 tlp_power(why, arg) 1958 int why; 1959 void *arg; 1960 { 1961 struct tulip_softc *sc = arg; 1962 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1963 int s; 1964 1965 s = splnet(); 1966 switch (why) { 1967 case PWR_STANDBY: 1968 /* do nothing! */ 1969 break; 1970 case PWR_SUSPEND: 1971 tlp_stop(ifp, 0); 1972 if (sc->sc_power != NULL) 1973 (*sc->sc_power)(sc, why); 1974 break; 1975 case PWR_RESUME: 1976 if (ifp->if_flags & IFF_UP) { 1977 if (sc->sc_power != NULL) 1978 (*sc->sc_power)(sc, why); 1979 tlp_init(ifp); 1980 } 1981 break; 1982 case PWR_SOFTSUSPEND: 1983 case PWR_SOFTSTANDBY: 1984 case PWR_SOFTRESUME: 1985 break; 1986 } 1987 splx(s); 1988 } 1989 1990 /* 1991 * tlp_rxdrain: 1992 * 1993 * Drain the receive queue. 1994 */ 1995 void 1996 tlp_rxdrain(sc) 1997 struct tulip_softc *sc; 1998 { 1999 struct tulip_rxsoft *rxs; 2000 int i; 2001 2002 for (i = 0; i < TULIP_NRXDESC; i++) { 2003 rxs = &sc->sc_rxsoft[i]; 2004 if (rxs->rxs_mbuf != NULL) { 2005 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2006 m_freem(rxs->rxs_mbuf); 2007 rxs->rxs_mbuf = NULL; 2008 } 2009 } 2010 } 2011 2012 /* 2013 * tlp_stop: [ ifnet interface function ] 2014 * 2015 * Stop transmission on the interface. 2016 */ 2017 void 2018 tlp_stop(ifp, disable) 2019 struct ifnet *ifp; 2020 int disable; 2021 { 2022 struct tulip_softc *sc = ifp->if_softc; 2023 struct tulip_txsoft *txs; 2024 2025 if (sc->sc_tick != NULL) { 2026 /* Stop the one second clock. */ 2027 callout_stop(&sc->sc_tick_callout); 2028 } 2029 2030 if (sc->sc_flags & TULIPF_HAS_MII) { 2031 /* Down the MII. */ 2032 mii_down(&sc->sc_mii); 2033 } 2034 2035 /* Disable interrupts. */ 2036 TULIP_WRITE(sc, CSR_INTEN, 0); 2037 2038 /* Stop the transmit and receive processes. */ 2039 sc->sc_opmode = 0; 2040 TULIP_WRITE(sc, CSR_OPMODE, 0); 2041 TULIP_WRITE(sc, CSR_RXLIST, 0); 2042 TULIP_WRITE(sc, CSR_TXLIST, 0); 2043 2044 /* 2045 * Release any queued transmit buffers. 2046 */ 2047 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2048 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2049 if (txs->txs_mbuf != NULL) { 2050 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2051 m_freem(txs->txs_mbuf); 2052 txs->txs_mbuf = NULL; 2053 } 2054 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2055 } 2056 2057 if (disable) { 2058 tlp_rxdrain(sc); 2059 tlp_disable(sc); 2060 } 2061 2062 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2063 2064 /* 2065 * Mark the interface down and cancel the watchdog timer. 2066 */ 2067 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2068 ifp->if_timer = 0; 2069 2070 /* 2071 * Reset the chip (needed on some flavors to actually disable it). 2072 */ 2073 tlp_reset(sc); 2074 } 2075 2076 #define SROM_EMIT(sc, x) \ 2077 do { \ 2078 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2079 delay(2); \ 2080 } while (0) 2081 2082 /* 2083 * tlp_srom_idle: 2084 * 2085 * Put the SROM in idle state. 2086 */ 2087 void 2088 tlp_srom_idle(sc) 2089 struct tulip_softc *sc; 2090 { 2091 u_int32_t miirom; 2092 int i; 2093 2094 miirom = MIIROM_SR; 2095 SROM_EMIT(sc, miirom); 2096 2097 miirom |= MIIROM_RD; 2098 SROM_EMIT(sc, miirom); 2099 2100 miirom |= MIIROM_SROMCS; 2101 SROM_EMIT(sc, miirom); 2102 2103 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2104 2105 /* Strobe the clock 32 times. */ 2106 for (i = 0; i < 32; i++) { 2107 SROM_EMIT(sc, miirom); 2108 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2109 } 2110 2111 SROM_EMIT(sc, miirom); 2112 2113 miirom &= ~MIIROM_SROMCS; 2114 SROM_EMIT(sc, miirom); 2115 2116 SROM_EMIT(sc, 0); 2117 } 2118 2119 /* 2120 * tlp_srom_size: 2121 * 2122 * Determine the number of address bits in the SROM. 2123 */ 2124 int 2125 tlp_srom_size(sc) 2126 struct tulip_softc *sc; 2127 { 2128 u_int32_t miirom; 2129 int x; 2130 2131 /* Select the SROM. */ 2132 miirom = MIIROM_SR; 2133 SROM_EMIT(sc, miirom); 2134 2135 miirom |= MIIROM_RD; 2136 SROM_EMIT(sc, miirom); 2137 2138 /* Send CHIP SELECT for one clock tick. */ 2139 miirom |= MIIROM_SROMCS; 2140 SROM_EMIT(sc, miirom); 2141 2142 /* Shift in the READ opcode. */ 2143 for (x = 3; x > 0; x--) { 2144 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2145 miirom |= MIIROM_SROMDI; 2146 else 2147 miirom &= ~MIIROM_SROMDI; 2148 SROM_EMIT(sc, miirom); 2149 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2150 SROM_EMIT(sc, miirom); 2151 } 2152 2153 /* Shift in address and look for dummy 0 bit. */ 2154 for (x = 1; x <= 12; x++) { 2155 miirom &= ~MIIROM_SROMDI; 2156 SROM_EMIT(sc, miirom); 2157 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2158 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2159 break; 2160 SROM_EMIT(sc, miirom); 2161 } 2162 2163 /* Clear CHIP SELECT. */ 2164 miirom &= ~MIIROM_SROMCS; 2165 SROM_EMIT(sc, miirom); 2166 2167 /* Deselect the SROM. */ 2168 SROM_EMIT(sc, 0); 2169 2170 if (x < 4 || x > 12) { 2171 printf("%s: broken MicroWire interface detected; " 2172 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2173 return (6); 2174 } else { 2175 if (tlp_srom_debug) 2176 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2177 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2178 return (x); 2179 } 2180 } 2181 2182 /* 2183 * tlp_read_srom: 2184 * 2185 * Read the Tulip SROM. 2186 */ 2187 int 2188 tlp_read_srom(sc) 2189 struct tulip_softc *sc; 2190 { 2191 int size; 2192 u_int32_t miirom; 2193 u_int16_t datain; 2194 int i, x; 2195 2196 tlp_srom_idle(sc); 2197 2198 sc->sc_srom_addrbits = tlp_srom_size(sc); 2199 if (sc->sc_srom_addrbits == 0) 2200 return (0); 2201 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2202 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2203 2204 /* Select the SROM. */ 2205 miirom = MIIROM_SR; 2206 SROM_EMIT(sc, miirom); 2207 2208 miirom |= MIIROM_RD; 2209 SROM_EMIT(sc, miirom); 2210 2211 for (i = 0; i < size; i += 2) { 2212 /* Send CHIP SELECT for one clock tick. */ 2213 miirom |= MIIROM_SROMCS; 2214 SROM_EMIT(sc, miirom); 2215 2216 /* Shift in the READ opcode. */ 2217 for (x = 3; x > 0; x--) { 2218 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2219 miirom |= MIIROM_SROMDI; 2220 else 2221 miirom &= ~MIIROM_SROMDI; 2222 SROM_EMIT(sc, miirom); 2223 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2224 SROM_EMIT(sc, miirom); 2225 } 2226 2227 /* Shift in address. */ 2228 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2229 if (i & (1 << x)) 2230 miirom |= MIIROM_SROMDI; 2231 else 2232 miirom &= ~MIIROM_SROMDI; 2233 SROM_EMIT(sc, miirom); 2234 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2235 SROM_EMIT(sc, miirom); 2236 } 2237 2238 /* Shift out data. */ 2239 miirom &= ~MIIROM_SROMDI; 2240 datain = 0; 2241 for (x = 16; x > 0; x--) { 2242 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2243 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2244 datain |= (1 << (x - 1)); 2245 SROM_EMIT(sc, miirom); 2246 } 2247 sc->sc_srom[i] = datain & 0xff; 2248 sc->sc_srom[i + 1] = datain >> 8; 2249 2250 /* Clear CHIP SELECT. */ 2251 miirom &= ~MIIROM_SROMCS; 2252 SROM_EMIT(sc, miirom); 2253 } 2254 2255 /* Deselect the SROM. */ 2256 SROM_EMIT(sc, 0); 2257 2258 /* ...and idle it. */ 2259 tlp_srom_idle(sc); 2260 2261 if (tlp_srom_debug) { 2262 printf("SROM CONTENTS:"); 2263 for (i = 0; i < size; i++) { 2264 if ((i % 8) == 0) 2265 printf("\n\t"); 2266 printf("0x%02x ", sc->sc_srom[i]); 2267 } 2268 printf("\n"); 2269 } 2270 2271 return (1); 2272 } 2273 2274 #undef SROM_EMIT 2275 2276 /* 2277 * tlp_add_rxbuf: 2278 * 2279 * Add a receive buffer to the indicated descriptor. 2280 */ 2281 int 2282 tlp_add_rxbuf(sc, idx) 2283 struct tulip_softc *sc; 2284 int idx; 2285 { 2286 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2287 struct mbuf *m; 2288 int error; 2289 2290 MGETHDR(m, M_DONTWAIT, MT_DATA); 2291 if (m == NULL) 2292 return (ENOBUFS); 2293 2294 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2295 MCLGET(m, M_DONTWAIT); 2296 if ((m->m_flags & M_EXT) == 0) { 2297 m_freem(m); 2298 return (ENOBUFS); 2299 } 2300 2301 if (rxs->rxs_mbuf != NULL) 2302 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2303 2304 rxs->rxs_mbuf = m; 2305 2306 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2307 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2308 BUS_DMA_READ|BUS_DMA_NOWAIT); 2309 if (error) { 2310 printf("%s: can't load rx DMA map %d, error = %d\n", 2311 sc->sc_dev.dv_xname, idx, error); 2312 panic("tlp_add_rxbuf"); /* XXX */ 2313 } 2314 2315 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2316 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2317 2318 TULIP_INIT_RXDESC(sc, idx); 2319 2320 return (0); 2321 } 2322 2323 /* 2324 * tlp_srom_crcok: 2325 * 2326 * Check the CRC of the Tulip SROM. 2327 */ 2328 int 2329 tlp_srom_crcok(romdata) 2330 const u_int8_t *romdata; 2331 { 2332 u_int32_t crc; 2333 2334 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2335 crc = (crc & 0xffff) ^ 0xffff; 2336 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2337 return (1); 2338 2339 /* 2340 * Try an alternate checksum. 2341 */ 2342 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2343 crc = (crc & 0xffff) ^ 0xffff; 2344 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2345 return (1); 2346 2347 return (0); 2348 } 2349 2350 /* 2351 * tlp_isv_srom: 2352 * 2353 * Check to see if the SROM is in the new standardized format. 2354 */ 2355 int 2356 tlp_isv_srom(romdata) 2357 const u_int8_t *romdata; 2358 { 2359 int i; 2360 u_int16_t cksum; 2361 2362 if (tlp_srom_crcok(romdata)) { 2363 /* 2364 * SROM CRC checks out; must be in the new format. 2365 */ 2366 return (1); 2367 } 2368 2369 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2370 if (cksum == 0xffff || cksum == 0) { 2371 /* 2372 * No checksum present. Check the SROM ID; 18 bytes of 0 2373 * followed by 1 (version) followed by the number of 2374 * adapters which use this SROM (should be non-zero). 2375 */ 2376 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2377 if (romdata[i] != 0) 2378 return (0); 2379 } 2380 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2381 return (0); 2382 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2383 return (0); 2384 return (1); 2385 } 2386 2387 return (0); 2388 } 2389 2390 /* 2391 * tlp_isv_srom_enaddr: 2392 * 2393 * Get the Ethernet address from an ISV SROM. 2394 */ 2395 int 2396 tlp_isv_srom_enaddr(sc, enaddr) 2397 struct tulip_softc *sc; 2398 u_int8_t *enaddr; 2399 { 2400 int i, devcnt; 2401 2402 if (tlp_isv_srom(sc->sc_srom) == 0) 2403 return (0); 2404 2405 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2406 for (i = 0; i < devcnt; i++) { 2407 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2408 break; 2409 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2410 sc->sc_devno) 2411 break; 2412 } 2413 2414 if (i == devcnt) 2415 return (0); 2416 2417 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2418 ETHER_ADDR_LEN); 2419 enaddr[5] += i; 2420 2421 return (1); 2422 } 2423 2424 /* 2425 * tlp_parse_old_srom: 2426 * 2427 * Parse old-format SROMs. 2428 * 2429 * This routine is largely lifted from Matt Thomas's `de' driver. 2430 */ 2431 int 2432 tlp_parse_old_srom(sc, enaddr) 2433 struct tulip_softc *sc; 2434 u_int8_t *enaddr; 2435 { 2436 static const u_int8_t testpat[] = 2437 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2438 int i; 2439 u_int32_t cksum; 2440 2441 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2442 /* 2443 * Cobalt Networks interfaces simply have the address 2444 * in the first six bytes. The rest is zeroed out 2445 * on some models, but others contain unknown data. 2446 */ 2447 if (sc->sc_srom[0] == 0x00 && 2448 sc->sc_srom[1] == 0x10 && 2449 sc->sc_srom[2] == 0xe0) { 2450 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2451 return (1); 2452 } 2453 2454 /* 2455 * Some vendors (e.g. ZNYX) don't use the standard 2456 * DEC Address ROM format, but rather just have an 2457 * Ethernet address in the first 6 bytes, maybe a 2458 * 2 byte checksum, and then all 0xff's. 2459 */ 2460 for (i = 8; i < 32; i++) { 2461 if (sc->sc_srom[i] != 0xff && 2462 sc->sc_srom[i] != 0) 2463 return (0); 2464 } 2465 2466 /* 2467 * Sanity check the Ethernet address: 2468 * 2469 * - Make sure it's not multicast or locally 2470 * assigned 2471 * - Make sure it has a non-0 OUI 2472 */ 2473 if (sc->sc_srom[0] & 3) 2474 return (0); 2475 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2476 sc->sc_srom[2] == 0) 2477 return (0); 2478 2479 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2480 return (1); 2481 } 2482 2483 /* 2484 * Standard DEC Address ROM test. 2485 */ 2486 2487 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2488 return (0); 2489 2490 for (i = 0; i < 8; i++) { 2491 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2492 return (0); 2493 } 2494 2495 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2496 2497 cksum = *(u_int16_t *) &enaddr[0]; 2498 2499 cksum <<= 1; 2500 if (cksum > 0xffff) 2501 cksum -= 0xffff; 2502 2503 cksum += *(u_int16_t *) &enaddr[2]; 2504 if (cksum > 0xffff) 2505 cksum -= 0xffff; 2506 2507 cksum <<= 1; 2508 if (cksum > 0xffff) 2509 cksum -= 0xffff; 2510 2511 cksum += *(u_int16_t *) &enaddr[4]; 2512 if (cksum >= 0xffff) 2513 cksum -= 0xffff; 2514 2515 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2516 return (0); 2517 2518 return (1); 2519 } 2520 2521 /* 2522 * tlp_filter_setup: 2523 * 2524 * Set the Tulip's receive filter. 2525 */ 2526 void 2527 tlp_filter_setup(sc) 2528 struct tulip_softc *sc; 2529 { 2530 struct ethercom *ec = &sc->sc_ethercom; 2531 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2532 struct ether_multi *enm; 2533 struct ether_multistep step; 2534 __volatile u_int32_t *sp; 2535 struct tulip_txsoft *txs; 2536 u_int8_t enaddr[ETHER_ADDR_LEN]; 2537 u_int32_t hash, hashsize; 2538 int cnt; 2539 2540 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2541 sc->sc_dev.dv_xname, sc->sc_flags)); 2542 2543 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2544 2545 /* 2546 * If there are transmissions pending, wait until they have 2547 * completed. 2548 */ 2549 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2550 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2551 sc->sc_flags |= TULIPF_WANT_SETUP; 2552 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2553 sc->sc_dev.dv_xname)); 2554 return; 2555 } 2556 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2557 2558 switch (sc->sc_chip) { 2559 case TULIP_CHIP_82C115: 2560 hashsize = TULIP_PNICII_HASHSIZE; 2561 break; 2562 2563 default: 2564 hashsize = TULIP_MCHASHSIZE; 2565 } 2566 2567 /* 2568 * If we're running, idle the transmit and receive engines. If 2569 * we're NOT running, we're being called from tlp_init(), and our 2570 * writing OPMODE will start the transmit and receive processes 2571 * in motion. 2572 */ 2573 if (ifp->if_flags & IFF_RUNNING) 2574 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2575 2576 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2577 2578 if (ifp->if_flags & IFF_PROMISC) { 2579 sc->sc_opmode |= OPMODE_PR; 2580 goto allmulti; 2581 } 2582 2583 /* 2584 * Try Perfect filtering first. 2585 */ 2586 2587 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2588 sp = TULIP_CDSP(sc); 2589 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2590 cnt = 0; 2591 ETHER_FIRST_MULTI(step, ec, enm); 2592 while (enm != NULL) { 2593 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2594 /* 2595 * We must listen to a range of multicast addresses. 2596 * For now, just accept all multicasts, rather than 2597 * trying to set only those filter bits needed to match 2598 * the range. (At this time, the only use of address 2599 * ranges is for IP multicast routing, for which the 2600 * range is big enough to require all bits set.) 2601 */ 2602 goto allmulti; 2603 } 2604 if (cnt == (TULIP_MAXADDRS - 2)) { 2605 /* 2606 * We already have our multicast limit (still need 2607 * our station address and broadcast). Go to 2608 * Hash-Perfect mode. 2609 */ 2610 goto hashperfect; 2611 } 2612 cnt++; 2613 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2614 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2615 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2616 ETHER_NEXT_MULTI(step, enm); 2617 } 2618 2619 if (ifp->if_flags & IFF_BROADCAST) { 2620 /* ...and the broadcast address. */ 2621 cnt++; 2622 *sp++ = TULIP_SP_FIELD_C(0xffff); 2623 *sp++ = TULIP_SP_FIELD_C(0xffff); 2624 *sp++ = TULIP_SP_FIELD_C(0xffff); 2625 } 2626 2627 /* Pad the rest with our station address. */ 2628 for (; cnt < TULIP_MAXADDRS; cnt++) { 2629 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2630 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2631 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2632 } 2633 ifp->if_flags &= ~IFF_ALLMULTI; 2634 goto setit; 2635 2636 hashperfect: 2637 /* 2638 * Try Hash-Perfect mode. 2639 */ 2640 2641 /* 2642 * Some 21140 chips have broken Hash-Perfect modes. On these 2643 * chips, we simply use Hash-Only mode, and put our station 2644 * address into the filter. 2645 */ 2646 if (sc->sc_chip == TULIP_CHIP_21140) 2647 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2648 else 2649 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2650 sp = TULIP_CDSP(sc); 2651 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2652 ETHER_FIRST_MULTI(step, ec, enm); 2653 while (enm != NULL) { 2654 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2655 /* 2656 * We must listen to a range of multicast addresses. 2657 * For now, just accept all multicasts, rather than 2658 * trying to set only those filter bits needed to match 2659 * the range. (At this time, the only use of address 2660 * ranges is for IP multicast routing, for which the 2661 * range is big enough to require all bits set.) 2662 */ 2663 goto allmulti; 2664 } 2665 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2666 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2667 ETHER_NEXT_MULTI(step, enm); 2668 } 2669 2670 if (ifp->if_flags & IFF_BROADCAST) { 2671 /* ...and the broadcast address. */ 2672 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2673 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2674 } 2675 2676 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2677 /* ...and our station address. */ 2678 hash = tlp_mchash(enaddr, hashsize); 2679 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2680 } else { 2681 /* 2682 * Hash-Perfect mode; put our station address after 2683 * the hash table. 2684 */ 2685 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2686 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2687 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2688 } 2689 ifp->if_flags &= ~IFF_ALLMULTI; 2690 goto setit; 2691 2692 allmulti: 2693 /* 2694 * Use Perfect filter mode. First address is the broadcast address, 2695 * and pad the rest with our station address. We'll set Pass-all- 2696 * multicast in OPMODE below. 2697 */ 2698 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2699 sp = TULIP_CDSP(sc); 2700 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2701 cnt = 0; 2702 if (ifp->if_flags & IFF_BROADCAST) { 2703 cnt++; 2704 *sp++ = TULIP_SP_FIELD_C(0xffff); 2705 *sp++ = TULIP_SP_FIELD_C(0xffff); 2706 *sp++ = TULIP_SP_FIELD_C(0xffff); 2707 } 2708 for (; cnt < TULIP_MAXADDRS; cnt++) { 2709 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2710 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2711 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2712 } 2713 ifp->if_flags |= IFF_ALLMULTI; 2714 2715 setit: 2716 if (ifp->if_flags & IFF_ALLMULTI) 2717 sc->sc_opmode |= OPMODE_PM; 2718 2719 /* Sync the setup packet buffer. */ 2720 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2721 2722 /* 2723 * Fill in the setup packet descriptor. 2724 */ 2725 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2726 2727 txs->txs_firstdesc = sc->sc_txnext; 2728 txs->txs_lastdesc = sc->sc_txnext; 2729 txs->txs_ndescs = 1; 2730 txs->txs_mbuf = NULL; 2731 2732 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2733 htole32(TULIP_CDSPADDR(sc)); 2734 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2735 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2736 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2737 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2738 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2739 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2740 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2741 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2742 2743 /* Advance the tx pointer. */ 2744 sc->sc_txfree -= 1; 2745 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2746 2747 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2748 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2749 2750 /* 2751 * Set the OPMODE register. This will also resume the 2752 * transmit transmit process we idled above. 2753 */ 2754 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2755 2756 sc->sc_flags |= TULIPF_DOING_SETUP; 2757 2758 /* 2759 * Kick the transmitter; this will cause the Tulip to 2760 * read the setup descriptor. 2761 */ 2762 /* XXX USE AUTOPOLLING? */ 2763 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2764 2765 /* Set up a watchdog timer in case the chip flakes out. */ 2766 ifp->if_timer = 5; 2767 2768 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2769 } 2770 2771 /* 2772 * tlp_winb_filter_setup: 2773 * 2774 * Set the Winbond 89C840F's receive filter. 2775 */ 2776 void 2777 tlp_winb_filter_setup(sc) 2778 struct tulip_softc *sc; 2779 { 2780 struct ethercom *ec = &sc->sc_ethercom; 2781 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2782 struct ether_multi *enm; 2783 struct ether_multistep step; 2784 u_int32_t hash, mchash[2]; 2785 2786 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2787 sc->sc_dev.dv_xname, sc->sc_flags)); 2788 2789 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2790 2791 if (ifp->if_flags & IFF_MULTICAST) 2792 sc->sc_opmode |= OPMODE_WINB_AMP; 2793 2794 if (ifp->if_flags & IFF_BROADCAST) 2795 sc->sc_opmode |= OPMODE_WINB_ABP; 2796 2797 if (ifp->if_flags & IFF_PROMISC) { 2798 sc->sc_opmode |= OPMODE_WINB_APP; 2799 goto allmulti; 2800 } 2801 2802 mchash[0] = mchash[1] = 0; 2803 2804 ETHER_FIRST_MULTI(step, ec, enm); 2805 while (enm != NULL) { 2806 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2807 /* 2808 * We must listen to a range of multicast addresses. 2809 * For now, just accept all multicasts, rather than 2810 * trying to set only those filter bits needed to match 2811 * the range. (At this time, the only use of address 2812 * ranges is for IP multicast routing, for which the 2813 * range is big enough to require all bits set.) 2814 */ 2815 goto allmulti; 2816 } 2817 2818 /* 2819 * According to the FreeBSD `wb' driver, yes, you 2820 * really do invert the hash. 2821 */ 2822 hash = 2823 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2824 & 0x3f; 2825 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2826 ETHER_NEXT_MULTI(step, enm); 2827 } 2828 ifp->if_flags &= ~IFF_ALLMULTI; 2829 goto setit; 2830 2831 allmulti: 2832 ifp->if_flags |= IFF_ALLMULTI; 2833 mchash[0] = mchash[1] = 0xffffffff; 2834 2835 setit: 2836 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2837 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2838 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2839 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2840 sc->sc_dev.dv_xname)); 2841 } 2842 2843 /* 2844 * tlp_al981_filter_setup: 2845 * 2846 * Set the ADMtek AL981's receive filter. 2847 */ 2848 void 2849 tlp_al981_filter_setup(sc) 2850 struct tulip_softc *sc; 2851 { 2852 struct ethercom *ec = &sc->sc_ethercom; 2853 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2854 struct ether_multi *enm; 2855 struct ether_multistep step; 2856 u_int32_t hash, mchash[2]; 2857 2858 /* 2859 * If the chip is running, we need to reset the interface, 2860 * and will revisit here (with IFF_RUNNING) clear. The 2861 * chip seems to really not like to have its multicast 2862 * filter programmed without a reset. 2863 */ 2864 if (ifp->if_flags & IFF_RUNNING) { 2865 (void) tlp_init(ifp); 2866 return; 2867 } 2868 2869 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2870 sc->sc_dev.dv_xname, sc->sc_flags)); 2871 2872 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2873 2874 if (ifp->if_flags & IFF_PROMISC) { 2875 sc->sc_opmode |= OPMODE_PR; 2876 goto allmulti; 2877 } 2878 2879 mchash[0] = mchash[1] = 0; 2880 2881 ETHER_FIRST_MULTI(step, ec, enm); 2882 while (enm != NULL) { 2883 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2884 /* 2885 * We must listen to a range of multicast addresses. 2886 * For now, just accept all multicasts, rather than 2887 * trying to set only those filter bits needed to match 2888 * the range. (At this time, the only use of address 2889 * ranges is for IP multicast routing, for which the 2890 * range is big enough to require all bits set.) 2891 */ 2892 goto allmulti; 2893 } 2894 2895 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2896 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2897 ETHER_NEXT_MULTI(step, enm); 2898 } 2899 ifp->if_flags &= ~IFF_ALLMULTI; 2900 goto setit; 2901 2902 allmulti: 2903 ifp->if_flags |= IFF_ALLMULTI; 2904 mchash[0] = mchash[1] = 0xffffffff; 2905 2906 setit: 2907 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2908 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2909 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2910 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2911 sc->sc_dev.dv_xname)); 2912 } 2913 2914 /* 2915 * tlp_idle: 2916 * 2917 * Cause the transmit and/or receive processes to go idle. 2918 */ 2919 void 2920 tlp_idle(sc, bits) 2921 struct tulip_softc *sc; 2922 u_int32_t bits; 2923 { 2924 static const char * const tlp_tx_state_names[] = { 2925 "STOPPED", 2926 "RUNNING - FETCH", 2927 "RUNNING - WAIT", 2928 "RUNNING - READING", 2929 "-- RESERVED --", 2930 "RUNNING - SETUP", 2931 "SUSPENDED", 2932 "RUNNING - CLOSE", 2933 }; 2934 static const char * const tlp_rx_state_names[] = { 2935 "STOPPED", 2936 "RUNNING - FETCH", 2937 "RUNNING - CHECK", 2938 "RUNNING - WAIT", 2939 "SUSPENDED", 2940 "RUNNING - CLOSE", 2941 "RUNNING - FLUSH", 2942 "RUNNING - QUEUE", 2943 }; 2944 static const char * const dm9102_tx_state_names[] = { 2945 "STOPPED", 2946 "RUNNING - FETCH", 2947 "RUNNING - SETUP", 2948 "RUNNING - READING", 2949 "RUNNING - CLOSE - CLEAR OWNER", 2950 "RUNNING - WAIT", 2951 "RUNNING - CLOSE - WRITE STATUS", 2952 "SUSPENDED", 2953 }; 2954 static const char * const dm9102_rx_state_names[] = { 2955 "STOPPED", 2956 "RUNNING - FETCH", 2957 "RUNNING - WAIT", 2958 "RUNNING - QUEUE", 2959 "RUNNING - CLOSE - CLEAR OWNER", 2960 "RUNNING - CLOSE - WRITE STATUS", 2961 "SUSPENDED", 2962 "RUNNING - FLUSH", 2963 }; 2964 2965 const char * const *tx_state_names, * const *rx_state_names; 2966 u_int32_t csr, ackmask = 0; 2967 int i; 2968 2969 switch (sc->sc_chip) { 2970 case TULIP_CHIP_DM9102: 2971 case TULIP_CHIP_DM9102A: 2972 tx_state_names = dm9102_tx_state_names; 2973 rx_state_names = dm9102_rx_state_names; 2974 break; 2975 2976 default: 2977 tx_state_names = tlp_tx_state_names; 2978 rx_state_names = tlp_rx_state_names; 2979 break; 2980 } 2981 2982 if (bits & OPMODE_ST) 2983 ackmask |= STATUS_TPS; 2984 2985 if (bits & OPMODE_SR) 2986 ackmask |= STATUS_RPS; 2987 2988 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2989 2990 for (i = 0; i < 1000; i++) { 2991 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2992 break; 2993 delay(10); 2994 } 2995 2996 csr = TULIP_READ(sc, CSR_STATUS); 2997 if ((csr & ackmask) != ackmask) { 2998 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2999 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3000 printf("%s: transmit process failed to idle: " 3001 "state %s\n", sc->sc_dev.dv_xname, 3002 tx_state_names[(csr & STATUS_TS) >> 20]); 3003 } 3004 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3005 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3006 switch (sc->sc_chip) { 3007 case TULIP_CHIP_AN983: 3008 case TULIP_CHIP_AN985: 3009 /* 3010 * Filter the message out on noisy chips. 3011 */ 3012 break; 3013 default: 3014 printf("%s: receive process failed to idle: " 3015 "state %s\n", sc->sc_dev.dv_xname, 3016 rx_state_names[(csr & STATUS_RS) >> 17]); 3017 } 3018 } 3019 } 3020 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3021 } 3022 3023 /***************************************************************************** 3024 * Generic media support functions. 3025 *****************************************************************************/ 3026 3027 /* 3028 * tlp_mediastatus: [ifmedia interface function] 3029 * 3030 * Query the current media. 3031 */ 3032 void 3033 tlp_mediastatus(ifp, ifmr) 3034 struct ifnet *ifp; 3035 struct ifmediareq *ifmr; 3036 { 3037 struct tulip_softc *sc = ifp->if_softc; 3038 3039 if (TULIP_IS_ENABLED(sc) == 0) { 3040 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3041 ifmr->ifm_status = 0; 3042 return; 3043 } 3044 3045 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3046 } 3047 3048 /* 3049 * tlp_mediachange: [ifmedia interface function] 3050 * 3051 * Update the current media. 3052 */ 3053 int 3054 tlp_mediachange(ifp) 3055 struct ifnet *ifp; 3056 { 3057 struct tulip_softc *sc = ifp->if_softc; 3058 3059 if ((ifp->if_flags & IFF_UP) == 0) 3060 return (0); 3061 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3062 } 3063 3064 /***************************************************************************** 3065 * Support functions for MII-attached media. 3066 *****************************************************************************/ 3067 3068 /* 3069 * tlp_mii_tick: 3070 * 3071 * One second timer, used to tick the MII. 3072 */ 3073 void 3074 tlp_mii_tick(arg) 3075 void *arg; 3076 { 3077 struct tulip_softc *sc = arg; 3078 int s; 3079 3080 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3081 return; 3082 3083 s = splnet(); 3084 mii_tick(&sc->sc_mii); 3085 splx(s); 3086 3087 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3088 } 3089 3090 /* 3091 * tlp_mii_statchg: [mii interface function] 3092 * 3093 * Callback from PHY when media changes. 3094 */ 3095 void 3096 tlp_mii_statchg(self) 3097 struct device *self; 3098 { 3099 struct tulip_softc *sc = (struct tulip_softc *)self; 3100 3101 /* Idle the transmit and receive processes. */ 3102 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3103 3104 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3105 3106 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3107 sc->sc_opmode |= OPMODE_TTM; 3108 else 3109 sc->sc_opmode |= OPMODE_HBD; 3110 3111 if (sc->sc_mii.mii_media_active & IFM_FDX) 3112 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3113 3114 /* 3115 * Write new OPMODE bits. This also restarts the transmit 3116 * and receive processes. 3117 */ 3118 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3119 } 3120 3121 /* 3122 * tlp_winb_mii_statchg: [mii interface function] 3123 * 3124 * Callback from PHY when media changes. This version is 3125 * for the Winbond 89C840F, which has different OPMODE bits. 3126 */ 3127 void 3128 tlp_winb_mii_statchg(self) 3129 struct device *self; 3130 { 3131 struct tulip_softc *sc = (struct tulip_softc *)self; 3132 3133 /* Idle the transmit and receive processes. */ 3134 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3135 3136 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3137 3138 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3139 sc->sc_opmode |= OPMODE_WINB_FES; 3140 3141 if (sc->sc_mii.mii_media_active & IFM_FDX) 3142 sc->sc_opmode |= OPMODE_FD; 3143 3144 /* 3145 * Write new OPMODE bits. This also restarts the transmit 3146 * and receive processes. 3147 */ 3148 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3149 } 3150 3151 /* 3152 * tlp_dm9102_mii_statchg: [mii interface function] 3153 * 3154 * Callback from PHY when media changes. This version is 3155 * for the DM9102. 3156 */ 3157 void 3158 tlp_dm9102_mii_statchg(self) 3159 struct device *self; 3160 { 3161 struct tulip_softc *sc = (struct tulip_softc *)self; 3162 3163 /* 3164 * Don't idle the transmit and receive processes, here. It 3165 * seems to fail, and just causes excess noise. 3166 */ 3167 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3168 3169 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3170 sc->sc_opmode |= OPMODE_TTM; 3171 3172 if (sc->sc_mii.mii_media_active & IFM_FDX) 3173 sc->sc_opmode |= OPMODE_FD; 3174 3175 /* 3176 * Write new OPMODE bits. 3177 */ 3178 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3179 } 3180 3181 /* 3182 * tlp_mii_getmedia: 3183 * 3184 * Callback from ifmedia to request current media status. 3185 */ 3186 void 3187 tlp_mii_getmedia(sc, ifmr) 3188 struct tulip_softc *sc; 3189 struct ifmediareq *ifmr; 3190 { 3191 3192 mii_pollstat(&sc->sc_mii); 3193 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3194 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3195 } 3196 3197 /* 3198 * tlp_mii_setmedia: 3199 * 3200 * Callback from ifmedia to request new media setting. 3201 */ 3202 int 3203 tlp_mii_setmedia(sc) 3204 struct tulip_softc *sc; 3205 { 3206 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3207 3208 if (ifp->if_flags & IFF_UP) { 3209 switch (sc->sc_chip) { 3210 case TULIP_CHIP_21142: 3211 case TULIP_CHIP_21143: 3212 /* Disable the internal Nway engine. */ 3213 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3214 break; 3215 3216 default: 3217 /* Nothing. */ 3218 break; 3219 } 3220 mii_mediachg(&sc->sc_mii); 3221 } 3222 return (0); 3223 } 3224 3225 /* 3226 * tlp_bitbang_mii_readreg: 3227 * 3228 * Read a PHY register via bit-bang'ing the MII. 3229 */ 3230 int 3231 tlp_bitbang_mii_readreg(self, phy, reg) 3232 struct device *self; 3233 int phy, reg; 3234 { 3235 struct tulip_softc *sc = (void *) self; 3236 3237 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3238 } 3239 3240 /* 3241 * tlp_bitbang_mii_writereg: 3242 * 3243 * Write a PHY register via bit-bang'ing the MII. 3244 */ 3245 void 3246 tlp_bitbang_mii_writereg(self, phy, reg, val) 3247 struct device *self; 3248 int phy, reg, val; 3249 { 3250 struct tulip_softc *sc = (void *) self; 3251 3252 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3253 } 3254 3255 /* 3256 * tlp_sio_mii_bitbang_read: 3257 * 3258 * Read the MII serial port for the MII bit-bang module. 3259 */ 3260 u_int32_t 3261 tlp_sio_mii_bitbang_read(self) 3262 struct device *self; 3263 { 3264 struct tulip_softc *sc = (void *) self; 3265 3266 return (TULIP_READ(sc, CSR_MIIROM)); 3267 } 3268 3269 /* 3270 * tlp_sio_mii_bitbang_write: 3271 * 3272 * Write the MII serial port for the MII bit-bang module. 3273 */ 3274 void 3275 tlp_sio_mii_bitbang_write(self, val) 3276 struct device *self; 3277 u_int32_t val; 3278 { 3279 struct tulip_softc *sc = (void *) self; 3280 3281 TULIP_WRITE(sc, CSR_MIIROM, val); 3282 } 3283 3284 /* 3285 * tlp_pnic_mii_readreg: 3286 * 3287 * Read a PHY register on the Lite-On PNIC. 3288 */ 3289 int 3290 tlp_pnic_mii_readreg(self, phy, reg) 3291 struct device *self; 3292 int phy, reg; 3293 { 3294 struct tulip_softc *sc = (void *) self; 3295 u_int32_t val; 3296 int i; 3297 3298 TULIP_WRITE(sc, CSR_PNIC_MII, 3299 PNIC_MII_MBO | PNIC_MII_RESERVED | 3300 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3301 (reg << PNIC_MII_REGSHIFT)); 3302 3303 for (i = 0; i < 1000; i++) { 3304 delay(10); 3305 val = TULIP_READ(sc, CSR_PNIC_MII); 3306 if ((val & PNIC_MII_BUSY) == 0) { 3307 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3308 return (0); 3309 else 3310 return (val & PNIC_MII_DATA); 3311 } 3312 } 3313 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3314 return (0); 3315 } 3316 3317 /* 3318 * tlp_pnic_mii_writereg: 3319 * 3320 * Write a PHY register on the Lite-On PNIC. 3321 */ 3322 void 3323 tlp_pnic_mii_writereg(self, phy, reg, val) 3324 struct device *self; 3325 int phy, reg, val; 3326 { 3327 struct tulip_softc *sc = (void *) self; 3328 int i; 3329 3330 TULIP_WRITE(sc, CSR_PNIC_MII, 3331 PNIC_MII_MBO | PNIC_MII_RESERVED | 3332 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3333 (reg << PNIC_MII_REGSHIFT) | val); 3334 3335 for (i = 0; i < 1000; i++) { 3336 delay(10); 3337 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3338 return; 3339 } 3340 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3341 } 3342 3343 const bus_addr_t tlp_al981_phy_regmap[] = { 3344 CSR_ADM_BMCR, 3345 CSR_ADM_BMSR, 3346 CSR_ADM_PHYIDR1, 3347 CSR_ADM_PHYIDR2, 3348 CSR_ADM_ANAR, 3349 CSR_ADM_ANLPAR, 3350 CSR_ADM_ANER, 3351 3352 CSR_ADM_XMC, 3353 CSR_ADM_XCIIS, 3354 CSR_ADM_XIE, 3355 CSR_ADM_100CTR, 3356 }; 3357 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3358 sizeof(tlp_al981_phy_regmap[0]); 3359 3360 /* 3361 * tlp_al981_mii_readreg: 3362 * 3363 * Read a PHY register on the ADMtek AL981. 3364 */ 3365 int 3366 tlp_al981_mii_readreg(self, phy, reg) 3367 struct device *self; 3368 int phy, reg; 3369 { 3370 struct tulip_softc *sc = (struct tulip_softc *)self; 3371 3372 /* AL981 only has an internal PHY. */ 3373 if (phy != 0) 3374 return (0); 3375 3376 if (reg >= tlp_al981_phy_regmap_size) 3377 return (0); 3378 3379 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3380 tlp_al981_phy_regmap[reg]) & 0xffff); 3381 } 3382 3383 /* 3384 * tlp_al981_mii_writereg: 3385 * 3386 * Write a PHY register on the ADMtek AL981. 3387 */ 3388 void 3389 tlp_al981_mii_writereg(self, phy, reg, val) 3390 struct device *self; 3391 int phy, reg, val; 3392 { 3393 struct tulip_softc *sc = (struct tulip_softc *)self; 3394 3395 /* AL981 only has an internal PHY. */ 3396 if (phy != 0) 3397 return; 3398 3399 if (reg >= tlp_al981_phy_regmap_size) 3400 return; 3401 3402 bus_space_write_4(sc->sc_st, sc->sc_sh, 3403 tlp_al981_phy_regmap[reg], val); 3404 } 3405 3406 /***************************************************************************** 3407 * Chip-specific pre-init and reset functions. 3408 *****************************************************************************/ 3409 3410 /* 3411 * tlp_2114x_preinit: 3412 * 3413 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3414 */ 3415 void 3416 tlp_2114x_preinit(sc) 3417 struct tulip_softc *sc; 3418 { 3419 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3420 struct tulip_21x4x_media *tm = ife->ifm_aux; 3421 3422 /* 3423 * Whether or not we're in MII or SIA/SYM mode, the media info 3424 * contains the appropriate OPMODE bits. 3425 * 3426 * Also, we always set the Must-Be-One bit. 3427 */ 3428 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3429 3430 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3431 } 3432 3433 /* 3434 * tlp_2114x_mii_preinit: 3435 * 3436 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3437 * This version is used by boards which only have MII and don't have 3438 * an ISV SROM. 3439 */ 3440 void 3441 tlp_2114x_mii_preinit(sc) 3442 struct tulip_softc *sc; 3443 { 3444 3445 /* 3446 * Always set the Must-Be-One bit, and Port Select (to select MII). 3447 * We'll never be called during a media change. 3448 */ 3449 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3450 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3451 } 3452 3453 /* 3454 * tlp_pnic_preinit: 3455 * 3456 * Pre-init function for the Lite-On 82c168 and 82c169. 3457 */ 3458 void 3459 tlp_pnic_preinit(sc) 3460 struct tulip_softc *sc; 3461 { 3462 3463 if (sc->sc_flags & TULIPF_HAS_MII) { 3464 /* 3465 * MII case: just set the port-select bit; we will never 3466 * be called during a media change. 3467 */ 3468 sc->sc_opmode |= OPMODE_PS; 3469 } else { 3470 /* 3471 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3472 */ 3473 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3474 } 3475 } 3476 3477 /* 3478 * tlp_dm9102_preinit: 3479 * 3480 * Pre-init function for the Davicom DM9102. 3481 */ 3482 void 3483 tlp_dm9102_preinit(sc) 3484 struct tulip_softc *sc; 3485 { 3486 3487 switch (sc->sc_chip) { 3488 case TULIP_CHIP_DM9102: 3489 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3490 break; 3491 3492 case TULIP_CHIP_DM9102A: 3493 /* 3494 * XXX Figure out how to actually deal with the HomePNA 3495 * XXX portion of the DM9102A. 3496 */ 3497 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3498 break; 3499 3500 default: 3501 /* Nothing. */ 3502 break; 3503 } 3504 3505 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3506 } 3507 3508 /* 3509 * tlp_21140_reset: 3510 * 3511 * Issue a reset sequence on the 21140 via the GPIO facility. 3512 */ 3513 void 3514 tlp_21140_reset(sc) 3515 struct tulip_softc *sc; 3516 { 3517 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3518 struct tulip_21x4x_media *tm = ife->ifm_aux; 3519 int i; 3520 3521 /* First, set the direction on the GPIO pins. */ 3522 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3523 3524 /* Now, issue the reset sequence. */ 3525 for (i = 0; i < tm->tm_reset_length; i++) { 3526 delay(10); 3527 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3528 } 3529 3530 /* Now, issue the selection sequence. */ 3531 for (i = 0; i < tm->tm_gp_length; i++) { 3532 delay(10); 3533 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3534 } 3535 3536 /* If there were no sequences, just lower the pins. */ 3537 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3538 delay(10); 3539 TULIP_WRITE(sc, CSR_GPP, 0); 3540 } 3541 } 3542 3543 /* 3544 * tlp_21142_reset: 3545 * 3546 * Issue a reset sequence on the 21142 via the GPIO facility. 3547 */ 3548 void 3549 tlp_21142_reset(sc) 3550 struct tulip_softc *sc; 3551 { 3552 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3553 struct tulip_21x4x_media *tm = ife->ifm_aux; 3554 const u_int8_t *cp; 3555 int i; 3556 3557 cp = &sc->sc_srom[tm->tm_reset_offset]; 3558 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3559 delay(10); 3560 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3561 } 3562 3563 cp = &sc->sc_srom[tm->tm_gp_offset]; 3564 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3565 delay(10); 3566 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3567 } 3568 3569 /* If there were no sequences, just lower the pins. */ 3570 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3571 delay(10); 3572 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3573 } 3574 } 3575 3576 /* 3577 * tlp_pmac_reset: 3578 * 3579 * Reset routine for Macronix chips. 3580 */ 3581 void 3582 tlp_pmac_reset(sc) 3583 struct tulip_softc *sc; 3584 { 3585 3586 switch (sc->sc_chip) { 3587 case TULIP_CHIP_82C115: 3588 case TULIP_CHIP_MX98715: 3589 case TULIP_CHIP_MX98715A: 3590 case TULIP_CHIP_MX98725: 3591 /* 3592 * Set the LED operating mode. This information is located 3593 * in the EEPROM at byte offset 0x77, per the MX98715A and 3594 * MX98725 application notes. 3595 */ 3596 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3597 break; 3598 case TULIP_CHIP_MX98715AEC_X: 3599 /* 3600 * Set the LED operating mode. This information is located 3601 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3602 * application note. 3603 */ 3604 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3605 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3606 break; 3607 3608 default: 3609 /* Nothing. */ 3610 break; 3611 } 3612 } 3613 3614 /* 3615 * tlp_dm9102_reset: 3616 * 3617 * Reset routine for the Davicom DM9102. 3618 */ 3619 void 3620 tlp_dm9102_reset(sc) 3621 struct tulip_softc *sc; 3622 { 3623 3624 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3625 delay(100); 3626 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3627 } 3628 3629 /***************************************************************************** 3630 * Chip/board-specific media switches. The ones here are ones that 3631 * are potentially common to multiple front-ends. 3632 *****************************************************************************/ 3633 3634 /* 3635 * This table is a common place for all sorts of media information, 3636 * keyed off of the SROM media code for that media. 3637 * 3638 * Note that we explicitly configure the 21142/21143 to always advertise 3639 * NWay capabilities when using the UTP port. 3640 * XXX Actually, we don't yet. 3641 */ 3642 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3643 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3644 "10baseT", 3645 OPMODE_TTM, 3646 BMSR_10THDX, 3647 { SIACONN_21040_10BASET, 3648 SIATXRX_21040_10BASET, 3649 SIAGEN_21040_10BASET }, 3650 3651 { SIACONN_21041_10BASET, 3652 SIATXRX_21041_10BASET, 3653 SIAGEN_21041_10BASET }, 3654 3655 { SIACONN_21142_10BASET, 3656 SIATXRX_21142_10BASET, 3657 SIAGEN_21142_10BASET } }, 3658 3659 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3660 "10base2", 3661 0, 3662 0, 3663 { 0, 3664 0, 3665 0 }, 3666 3667 { SIACONN_21041_BNC, 3668 SIATXRX_21041_BNC, 3669 SIAGEN_21041_BNC }, 3670 3671 { SIACONN_21142_BNC, 3672 SIATXRX_21142_BNC, 3673 SIAGEN_21142_BNC } }, 3674 3675 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3676 "10base5", 3677 0, 3678 0, 3679 { SIACONN_21040_AUI, 3680 SIATXRX_21040_AUI, 3681 SIAGEN_21040_AUI }, 3682 3683 { SIACONN_21041_AUI, 3684 SIATXRX_21041_AUI, 3685 SIAGEN_21041_AUI }, 3686 3687 { SIACONN_21142_AUI, 3688 SIATXRX_21142_AUI, 3689 SIAGEN_21142_AUI } }, 3690 3691 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3692 "100baseTX", 3693 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3694 BMSR_100TXHDX, 3695 { 0, 3696 0, 3697 0 }, 3698 3699 { 0, 3700 0, 3701 0 }, 3702 3703 { 0, 3704 0, 3705 SIAGEN_ABM } }, 3706 3707 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3708 "10baseT-FDX", 3709 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3710 BMSR_10TFDX, 3711 { SIACONN_21040_10BASET_FDX, 3712 SIATXRX_21040_10BASET_FDX, 3713 SIAGEN_21040_10BASET_FDX }, 3714 3715 { SIACONN_21041_10BASET_FDX, 3716 SIATXRX_21041_10BASET_FDX, 3717 SIAGEN_21041_10BASET_FDX }, 3718 3719 { SIACONN_21142_10BASET_FDX, 3720 SIATXRX_21142_10BASET_FDX, 3721 SIAGEN_21142_10BASET_FDX } }, 3722 3723 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3724 "100baseTX-FDX", 3725 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3726 BMSR_100TXFDX, 3727 { 0, 3728 0, 3729 0 }, 3730 3731 { 0, 3732 0, 3733 0 }, 3734 3735 { 0, 3736 0, 3737 SIAGEN_ABM } }, 3738 3739 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3740 "100baseT4", 3741 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3742 BMSR_100T4, 3743 { 0, 3744 0, 3745 0 }, 3746 3747 { 0, 3748 0, 3749 0 }, 3750 3751 { 0, 3752 0, 3753 SIAGEN_ABM } }, 3754 3755 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3756 "100baseFX", 3757 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3758 0, 3759 { 0, 3760 0, 3761 0 }, 3762 3763 { 0, 3764 0, 3765 0 }, 3766 3767 { 0, 3768 0, 3769 SIAGEN_ABM } }, 3770 3771 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3772 "100baseFX-FDX", 3773 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3774 0, 3775 { 0, 3776 0, 3777 0 }, 3778 3779 { 0, 3780 0, 3781 0 }, 3782 3783 { 0, 3784 0, 3785 SIAGEN_ABM } }, 3786 3787 { 0, 0, 0, 3788 NULL, 3789 0, 3790 0, 3791 { 0, 3792 0, 3793 0 }, 3794 3795 { 0, 3796 0, 3797 0 }, 3798 3799 { 0, 3800 0, 3801 0 } }, 3802 }; 3803 3804 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3805 void tlp_srom_media_info __P((struct tulip_softc *, 3806 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3807 void tlp_add_srom_media __P((struct tulip_softc *, int, 3808 void (*)(struct tulip_softc *, struct ifmediareq *), 3809 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3810 void tlp_print_media __P((struct tulip_softc *)); 3811 void tlp_nway_activate __P((struct tulip_softc *, int)); 3812 void tlp_get_minst __P((struct tulip_softc *)); 3813 3814 const struct tulip_srom_to_ifmedia * 3815 tlp_srom_to_ifmedia(sm) 3816 u_int8_t sm; 3817 { 3818 const struct tulip_srom_to_ifmedia *tsti; 3819 3820 for (tsti = tulip_srom_to_ifmedia_table; 3821 tsti->tsti_name != NULL; tsti++) { 3822 if (tsti->tsti_srom == sm) 3823 return (tsti); 3824 } 3825 3826 return (NULL); 3827 } 3828 3829 void 3830 tlp_srom_media_info(sc, tsti, tm) 3831 struct tulip_softc *sc; 3832 const struct tulip_srom_to_ifmedia *tsti; 3833 struct tulip_21x4x_media *tm; 3834 { 3835 3836 tm->tm_name = tsti->tsti_name; 3837 tm->tm_opmode = tsti->tsti_opmode; 3838 3839 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3840 3841 switch (sc->sc_chip) { 3842 case TULIP_CHIP_DE425: 3843 case TULIP_CHIP_21040: 3844 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3845 break; 3846 3847 case TULIP_CHIP_21041: 3848 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3849 break; 3850 3851 case TULIP_CHIP_21142: 3852 case TULIP_CHIP_21143: 3853 case TULIP_CHIP_82C115: 3854 case TULIP_CHIP_MX98715: 3855 case TULIP_CHIP_MX98715A: 3856 case TULIP_CHIP_MX98715AEC_X: 3857 case TULIP_CHIP_MX98725: 3858 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3859 break; 3860 3861 default: 3862 /* Nothing. */ 3863 break; 3864 } 3865 } 3866 3867 void 3868 tlp_add_srom_media(sc, type, get, set, list, cnt) 3869 struct tulip_softc *sc; 3870 int type; 3871 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3872 int (*set) __P((struct tulip_softc *)); 3873 const u_int8_t *list; 3874 int cnt; 3875 { 3876 struct tulip_21x4x_media *tm; 3877 const struct tulip_srom_to_ifmedia *tsti; 3878 int i; 3879 3880 for (i = 0; i < cnt; i++) { 3881 tsti = tlp_srom_to_ifmedia(list[i]); 3882 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3883 tlp_srom_media_info(sc, tsti, tm); 3884 tm->tm_type = type; 3885 tm->tm_get = get; 3886 tm->tm_set = set; 3887 3888 ifmedia_add(&sc->sc_mii.mii_media, 3889 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3890 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3891 } 3892 } 3893 3894 void 3895 tlp_print_media(sc) 3896 struct tulip_softc *sc; 3897 { 3898 struct ifmedia_entry *ife; 3899 struct tulip_21x4x_media *tm; 3900 const char *sep = ""; 3901 3902 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3903 3904 printf("%s: ", sc->sc_dev.dv_xname); 3905 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3906 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3907 tm = ife->ifm_aux; 3908 if (tm == NULL) { 3909 #ifdef DIAGNOSTIC 3910 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3911 panic("tlp_print_media"); 3912 #endif 3913 PRINT("auto"); 3914 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3915 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3916 PRINT(tm->tm_name); 3917 } 3918 } 3919 printf("\n"); 3920 3921 #undef PRINT 3922 } 3923 3924 void 3925 tlp_nway_activate(sc, media) 3926 struct tulip_softc *sc; 3927 int media; 3928 { 3929 struct ifmedia_entry *ife; 3930 3931 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3932 #ifdef DIAGNOSTIC 3933 if (ife == NULL) 3934 panic("tlp_nway_activate"); 3935 #endif 3936 sc->sc_nway_active = ife; 3937 } 3938 3939 void 3940 tlp_get_minst(sc) 3941 struct tulip_softc *sc; 3942 { 3943 3944 if ((sc->sc_media_seen & 3945 ~((1 << TULIP_ROM_MB_21140_MII) | 3946 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3947 /* 3948 * We have not yet seen any SIA/SYM media (but are 3949 * about to; that's why we're called!), so assign 3950 * the current media instance to be the `internal media' 3951 * instance, and advance it so any MII media gets a 3952 * fresh one (used to selecting/isolating a PHY). 3953 */ 3954 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3955 } 3956 } 3957 3958 /* 3959 * SIA Utility functions. 3960 */ 3961 void tlp_sia_update_link __P((struct tulip_softc *)); 3962 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3963 int tlp_sia_set __P((struct tulip_softc *)); 3964 int tlp_sia_media __P((struct tulip_softc *, struct ifmedia_entry *)); 3965 void tlp_sia_fixup __P((struct tulip_softc *)); 3966 3967 void 3968 tlp_sia_update_link(sc) 3969 struct tulip_softc *sc; 3970 { 3971 struct ifmedia_entry *ife; 3972 struct tulip_21x4x_media *tm; 3973 u_int32_t siastat; 3974 3975 ife = TULIP_CURRENT_MEDIA(sc); 3976 tm = ife->ifm_aux; 3977 3978 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3979 3980 siastat = TULIP_READ(sc, CSR_SIASTAT); 3981 3982 /* 3983 * Note that when we do SIA link tests, we are assuming that 3984 * the chip is really in the mode that the current media setting 3985 * reflects. If we're not, then the link tests will not be 3986 * accurate! 3987 */ 3988 switch (IFM_SUBTYPE(ife->ifm_media)) { 3989 case IFM_10_T: 3990 sc->sc_flags |= TULIPF_LINK_VALID; 3991 if ((siastat & SIASTAT_LS10) == 0) 3992 sc->sc_flags |= TULIPF_LINK_UP; 3993 break; 3994 3995 case IFM_100_TX: 3996 case IFM_100_T4: 3997 sc->sc_flags |= TULIPF_LINK_VALID; 3998 if ((siastat & SIASTAT_LS100) == 0) 3999 sc->sc_flags |= TULIPF_LINK_UP; 4000 break; 4001 } 4002 4003 switch (sc->sc_chip) { 4004 case TULIP_CHIP_21142: 4005 case TULIP_CHIP_21143: 4006 /* 4007 * On these chips, we can tell more information about 4008 * AUI/BNC. Note that the AUI/BNC selection is made 4009 * in a different register; for our purpose, it's all 4010 * AUI. 4011 */ 4012 switch (IFM_SUBTYPE(ife->ifm_media)) { 4013 case IFM_10_2: 4014 case IFM_10_5: 4015 sc->sc_flags |= TULIPF_LINK_VALID; 4016 if (siastat & SIASTAT_ARA) { 4017 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4018 sc->sc_flags |= TULIPF_LINK_UP; 4019 } 4020 break; 4021 4022 default: 4023 /* 4024 * If we're SYM media and can detect the link 4025 * via the GPIO facility, prefer that status 4026 * over LS100. 4027 */ 4028 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4029 tm->tm_actmask != 0) { 4030 sc->sc_flags = (sc->sc_flags & 4031 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4032 if (TULIP_ISSET(sc, CSR_SIAGEN, 4033 tm->tm_actmask) == tm->tm_actdata) 4034 sc->sc_flags |= TULIPF_LINK_UP; 4035 } 4036 } 4037 break; 4038 4039 default: 4040 /* Nothing. */ 4041 break; 4042 } 4043 } 4044 4045 void 4046 tlp_sia_get(sc, ifmr) 4047 struct tulip_softc *sc; 4048 struct ifmediareq *ifmr; 4049 { 4050 struct ifmedia_entry *ife; 4051 4052 ifmr->ifm_status = 0; 4053 4054 tlp_sia_update_link(sc); 4055 4056 ife = TULIP_CURRENT_MEDIA(sc); 4057 4058 if (sc->sc_flags & TULIPF_LINK_VALID) 4059 ifmr->ifm_status |= IFM_AVALID; 4060 if (sc->sc_flags & TULIPF_LINK_UP) 4061 ifmr->ifm_status |= IFM_ACTIVE; 4062 ifmr->ifm_active = ife->ifm_media; 4063 } 4064 4065 void 4066 tlp_sia_fixup(sc) 4067 struct tulip_softc *sc; 4068 { 4069 struct ifmedia_entry *ife; 4070 struct tulip_21x4x_media *tm; 4071 u_int32_t siaconn, siatxrx, siagen; 4072 4073 switch (sc->sc_chip) { 4074 case TULIP_CHIP_82C115: 4075 case TULIP_CHIP_MX98713A: 4076 case TULIP_CHIP_MX98715: 4077 case TULIP_CHIP_MX98715A: 4078 case TULIP_CHIP_MX98715AEC_X: 4079 case TULIP_CHIP_MX98725: 4080 siaconn = PMAC_SIACONN_MASK; 4081 siatxrx = PMAC_SIATXRX_MASK; 4082 siagen = PMAC_SIAGEN_MASK; 4083 break; 4084 4085 default: 4086 /* No fixups required on any other chips. */ 4087 return; 4088 } 4089 4090 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4091 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4092 tm = ife->ifm_aux; 4093 if (tm == NULL) 4094 continue; 4095 4096 tm->tm_siaconn &= siaconn; 4097 tm->tm_siatxrx &= siatxrx; 4098 tm->tm_siagen &= siagen; 4099 } 4100 } 4101 4102 int 4103 tlp_sia_set(sc) 4104 struct tulip_softc *sc; 4105 { 4106 4107 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4108 } 4109 4110 int 4111 tlp_sia_media(sc, ife) 4112 struct tulip_softc *sc; 4113 struct ifmedia_entry *ife; 4114 { 4115 struct tulip_21x4x_media *tm; 4116 4117 tm = ife->ifm_aux; 4118 4119 /* 4120 * XXX This appears to be necessary on a bunch of the clone chips. 4121 */ 4122 delay(20000); 4123 4124 /* 4125 * Idle the chip. 4126 */ 4127 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4128 4129 /* 4130 * Program the SIA. It's important to write in this order, 4131 * resetting the SIA first. 4132 */ 4133 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4134 delay(1000); 4135 4136 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4137 4138 switch (sc->sc_chip) { 4139 case TULIP_CHIP_21142: 4140 case TULIP_CHIP_21143: 4141 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4142 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4143 break; 4144 default: 4145 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4146 } 4147 4148 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4149 4150 /* 4151 * Set the OPMODE bits for this media and write OPMODE. 4152 * This will resume the transmit and receive processes. 4153 */ 4154 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4155 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4156 4157 return (0); 4158 } 4159 4160 /* 4161 * 21140 GPIO utility functions. 4162 */ 4163 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4164 4165 void 4166 tlp_21140_gpio_update_link(sc) 4167 struct tulip_softc *sc; 4168 { 4169 struct ifmedia_entry *ife; 4170 struct tulip_21x4x_media *tm; 4171 4172 ife = TULIP_CURRENT_MEDIA(sc); 4173 tm = ife->ifm_aux; 4174 4175 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4176 4177 if (tm->tm_actmask != 0) { 4178 sc->sc_flags |= TULIPF_LINK_VALID; 4179 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4180 tm->tm_actdata) 4181 sc->sc_flags |= TULIPF_LINK_UP; 4182 } 4183 } 4184 4185 void 4186 tlp_21140_gpio_get(sc, ifmr) 4187 struct tulip_softc *sc; 4188 struct ifmediareq *ifmr; 4189 { 4190 struct ifmedia_entry *ife; 4191 4192 ifmr->ifm_status = 0; 4193 4194 tlp_21140_gpio_update_link(sc); 4195 4196 ife = TULIP_CURRENT_MEDIA(sc); 4197 4198 if (sc->sc_flags & TULIPF_LINK_VALID) 4199 ifmr->ifm_status |= IFM_AVALID; 4200 if (sc->sc_flags & TULIPF_LINK_UP) 4201 ifmr->ifm_status |= IFM_ACTIVE; 4202 ifmr->ifm_active = ife->ifm_media; 4203 } 4204 4205 int 4206 tlp_21140_gpio_set(sc) 4207 struct tulip_softc *sc; 4208 { 4209 struct ifmedia_entry *ife; 4210 struct tulip_21x4x_media *tm; 4211 4212 ife = TULIP_CURRENT_MEDIA(sc); 4213 tm = ife->ifm_aux; 4214 4215 /* 4216 * Idle the chip. 4217 */ 4218 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4219 4220 /* 4221 * Set the GPIO pins for this media, to flip any 4222 * relays, etc. 4223 */ 4224 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4225 delay(10); 4226 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4227 4228 /* 4229 * Set the OPMODE bits for this media and write OPMODE. 4230 * This will resume the transmit and receive processes. 4231 */ 4232 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4233 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4234 4235 return (0); 4236 } 4237 4238 /* 4239 * 21040 and 21041 media switches. 4240 */ 4241 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4242 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4243 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4244 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4245 4246 const struct tulip_mediasw tlp_21040_mediasw = { 4247 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4248 }; 4249 4250 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4251 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4252 }; 4253 4254 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4255 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4256 }; 4257 4258 const struct tulip_mediasw tlp_21041_mediasw = { 4259 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4260 }; 4261 4262 4263 void 4264 tlp_21040_tmsw_init(sc) 4265 struct tulip_softc *sc; 4266 { 4267 static const u_int8_t media[] = { 4268 TULIP_ROM_MB_MEDIA_TP, 4269 TULIP_ROM_MB_MEDIA_TP_FDX, 4270 TULIP_ROM_MB_MEDIA_AUI, 4271 }; 4272 struct tulip_21x4x_media *tm; 4273 4274 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4275 tlp_mediastatus); 4276 4277 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4278 4279 /* 4280 * No SROM type for External SIA. 4281 */ 4282 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4283 tm->tm_name = "manual"; 4284 tm->tm_opmode = 0; 4285 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4286 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4287 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4288 ifmedia_add(&sc->sc_mii.mii_media, 4289 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4290 4291 /* 4292 * XXX Autosense not yet supported. 4293 */ 4294 4295 /* XXX This should be auto-sense. */ 4296 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4297 4298 tlp_print_media(sc); 4299 } 4300 4301 void 4302 tlp_21040_tp_tmsw_init(sc) 4303 struct tulip_softc *sc; 4304 { 4305 static const u_int8_t media[] = { 4306 TULIP_ROM_MB_MEDIA_TP, 4307 TULIP_ROM_MB_MEDIA_TP_FDX, 4308 }; 4309 4310 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4311 tlp_mediastatus); 4312 4313 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4314 4315 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4316 4317 tlp_print_media(sc); 4318 } 4319 4320 void 4321 tlp_21040_auibnc_tmsw_init(sc) 4322 struct tulip_softc *sc; 4323 { 4324 static const u_int8_t media[] = { 4325 TULIP_ROM_MB_MEDIA_AUI, 4326 }; 4327 4328 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4329 tlp_mediastatus); 4330 4331 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4332 4333 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4334 4335 tlp_print_media(sc); 4336 } 4337 4338 void 4339 tlp_21041_tmsw_init(sc) 4340 struct tulip_softc *sc; 4341 { 4342 static const u_int8_t media[] = { 4343 TULIP_ROM_MB_MEDIA_TP, 4344 TULIP_ROM_MB_MEDIA_TP_FDX, 4345 TULIP_ROM_MB_MEDIA_BNC, 4346 TULIP_ROM_MB_MEDIA_AUI, 4347 }; 4348 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4349 const struct tulip_srom_to_ifmedia *tsti; 4350 struct tulip_21x4x_media *tm; 4351 u_int16_t romdef; 4352 u_int8_t mb; 4353 4354 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4355 tlp_mediastatus); 4356 4357 if (tlp_isv_srom(sc->sc_srom) == 0) { 4358 not_isv_srom: 4359 /* 4360 * If we have a board without the standard 21041 SROM format, 4361 * we just assume all media are present and try and pick a 4362 * reasonable default. 4363 */ 4364 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4365 4366 /* 4367 * XXX Autosense not yet supported. 4368 */ 4369 4370 /* XXX This should be auto-sense. */ 4371 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4372 4373 tlp_print_media(sc); 4374 return; 4375 } 4376 4377 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4378 for (i = 0; i < devcnt; i++) { 4379 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4380 break; 4381 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4382 sc->sc_devno) 4383 break; 4384 } 4385 4386 if (i == devcnt) 4387 goto not_isv_srom; 4388 4389 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4390 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4391 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4392 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4393 4394 for (; m_cnt != 0; 4395 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4396 mb = sc->sc_srom[mb_offset]; 4397 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4398 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4399 case TULIP_ROM_MB_MEDIA_TP_FDX: 4400 case TULIP_ROM_MB_MEDIA_TP: 4401 case TULIP_ROM_MB_MEDIA_BNC: 4402 case TULIP_ROM_MB_MEDIA_AUI: 4403 tsti = tlp_srom_to_ifmedia(mb & 4404 TULIP_ROM_MB_MEDIA_CODE); 4405 4406 tlp_srom_media_info(sc, tsti, tm); 4407 4408 /* 4409 * Override our default SIA settings if the 4410 * SROM contains its own. 4411 */ 4412 if (mb & TULIP_ROM_MB_EXT) { 4413 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4414 mb_offset + TULIP_ROM_MB_CSR13); 4415 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4416 mb_offset + TULIP_ROM_MB_CSR14); 4417 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4418 mb_offset + TULIP_ROM_MB_CSR15); 4419 } 4420 4421 ifmedia_add(&sc->sc_mii.mii_media, 4422 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4423 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4424 break; 4425 4426 default: 4427 printf("%s: unknown media code 0x%02x\n", 4428 sc->sc_dev.dv_xname, 4429 mb & TULIP_ROM_MB_MEDIA_CODE); 4430 free(tm, M_DEVBUF); 4431 } 4432 } 4433 4434 /* 4435 * XXX Autosense not yet supported. 4436 */ 4437 4438 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4439 TULIP_ROM_IL_SELECT_CONN_TYPE); 4440 switch (romdef) { 4441 case SELECT_CONN_TYPE_TP: 4442 case SELECT_CONN_TYPE_TP_AUTONEG: 4443 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4444 defmedia = IFM_ETHER|IFM_10_T; 4445 break; 4446 4447 case SELECT_CONN_TYPE_TP_FDX: 4448 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4449 break; 4450 4451 case SELECT_CONN_TYPE_BNC: 4452 defmedia = IFM_ETHER|IFM_10_2; 4453 break; 4454 4455 case SELECT_CONN_TYPE_AUI: 4456 defmedia = IFM_ETHER|IFM_10_5; 4457 break; 4458 #if 0 /* XXX */ 4459 case SELECT_CONN_TYPE_ASENSE: 4460 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4461 defmedia = IFM_ETHER|IFM_AUTO; 4462 break; 4463 #endif 4464 default: 4465 defmedia = 0; 4466 } 4467 4468 if (defmedia == 0) { 4469 /* 4470 * XXX We should default to auto-sense. 4471 */ 4472 defmedia = IFM_ETHER|IFM_10_T; 4473 } 4474 4475 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4476 4477 tlp_print_media(sc); 4478 } 4479 4480 /* 4481 * DECchip 2114x ISV media switch. 4482 */ 4483 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4484 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4485 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4486 4487 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4488 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4489 }; 4490 4491 void tlp_2114x_nway_get __P((struct tulip_softc *, struct ifmediareq *)); 4492 int tlp_2114x_nway_set __P((struct tulip_softc *)); 4493 4494 void tlp_2114x_nway_statchg __P((struct device *)); 4495 int tlp_2114x_nway_service __P((struct tulip_softc *, int)); 4496 void tlp_2114x_nway_auto __P((struct tulip_softc *)); 4497 void tlp_2114x_nway_status __P((struct tulip_softc *)); 4498 4499 void 4500 tlp_2114x_isv_tmsw_init(sc) 4501 struct tulip_softc *sc; 4502 { 4503 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4504 struct ifmedia_entry *ife; 4505 struct mii_softc *phy; 4506 struct tulip_21x4x_media *tm; 4507 const struct tulip_srom_to_ifmedia *tsti; 4508 int i, devcnt, leaf_offset, m_cnt, type, length; 4509 int defmedia, miidef; 4510 u_int16_t word; 4511 u_int8_t *cp, *ncp; 4512 4513 defmedia = miidef = 0; 4514 4515 sc->sc_mii.mii_ifp = ifp; 4516 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4517 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4518 sc->sc_mii.mii_statchg = sc->sc_statchg; 4519 4520 /* 4521 * Ignore `instance'; we may get a mixture of SIA and MII 4522 * media, and `instance' is used to isolate or select the 4523 * PHY on the MII as appropriate. Note that duplicate media 4524 * are disallowed, so ignoring `instance' is safe. 4525 */ 4526 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4527 tlp_mediastatus); 4528 4529 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4530 for (i = 0; i < devcnt; i++) { 4531 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4532 break; 4533 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4534 sc->sc_devno) 4535 break; 4536 } 4537 4538 if (i == devcnt) { 4539 printf("%s: unable to locate info leaf in SROM\n", 4540 sc->sc_dev.dv_xname); 4541 return; 4542 } 4543 4544 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4545 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4546 4547 /* XXX SELECT CONN TYPE */ 4548 4549 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4550 4551 /* 4552 * On some chips, the first thing in the Info Leaf is the 4553 * GPIO pin direction data. 4554 */ 4555 switch (sc->sc_chip) { 4556 case TULIP_CHIP_21140: 4557 case TULIP_CHIP_21140A: 4558 case TULIP_CHIP_MX98713: 4559 case TULIP_CHIP_AX88140: 4560 case TULIP_CHIP_AX88141: 4561 sc->sc_gp_dir = *cp++; 4562 break; 4563 4564 default: 4565 /* Nothing. */ 4566 break; 4567 } 4568 4569 /* Get the media count. */ 4570 m_cnt = *cp++; 4571 4572 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4573 /* 4574 * Determine the type and length of this media block. 4575 * The 21143 is spec'd to always use extended format blocks, 4576 * but some cards don't set the bit to indicate this. 4577 * Hopefully there are no cards which really don't use 4578 * extended format blocks. 4579 */ 4580 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4581 length = 4; 4582 type = TULIP_ROM_MB_21140_GPR; 4583 } else { 4584 length = (*cp++ & 0x7f) - 1; 4585 type = *cp++ & 0x3f; 4586 } 4587 4588 /* Compute the start of the next block. */ 4589 ncp = cp + length; 4590 4591 /* Now, parse the block. */ 4592 switch (type) { 4593 case TULIP_ROM_MB_21140_GPR: 4594 tlp_get_minst(sc); 4595 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4596 4597 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4598 4599 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4600 tm->tm_get = tlp_21140_gpio_get; 4601 tm->tm_set = tlp_21140_gpio_set; 4602 4603 /* First is the media type code. */ 4604 tsti = tlp_srom_to_ifmedia(cp[0] & 4605 TULIP_ROM_MB_MEDIA_CODE); 4606 if (tsti == NULL) { 4607 /* Invalid media code. */ 4608 free(tm, M_DEVBUF); 4609 break; 4610 } 4611 4612 /* Get defaults. */ 4613 tlp_srom_media_info(sc, tsti, tm); 4614 4615 /* Next is any GPIO info for this media. */ 4616 tm->tm_gpdata = cp[1]; 4617 4618 /* 4619 * Next is a word containing OPMODE information 4620 * and info on how to detect if this media is 4621 * active. 4622 */ 4623 word = TULIP_ROM_GETW(cp, 2); 4624 tm->tm_opmode &= OPMODE_FD; 4625 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4626 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4627 tm->tm_actmask = 4628 TULIP_ROM_MB_BITPOS(word); 4629 tm->tm_actdata = 4630 (word & TULIP_ROM_MB_POLARITY) ? 4631 0 : tm->tm_actmask; 4632 } 4633 4634 ifmedia_add(&sc->sc_mii.mii_media, 4635 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4636 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4637 break; 4638 4639 case TULIP_ROM_MB_21140_MII: 4640 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4641 4642 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4643 4644 tm->tm_type = TULIP_ROM_MB_21140_MII; 4645 tm->tm_get = tlp_mii_getmedia; 4646 tm->tm_set = tlp_mii_setmedia; 4647 tm->tm_opmode = OPMODE_PS; 4648 4649 if (sc->sc_reset == NULL) 4650 sc->sc_reset = tlp_21140_reset; 4651 4652 /* First is the PHY number. */ 4653 tm->tm_phyno = *cp++; 4654 4655 /* Next is the MII select sequence length and offset. */ 4656 tm->tm_gp_length = *cp++; 4657 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4658 cp += tm->tm_gp_length; 4659 4660 /* Next is the MII reset sequence length and offset. */ 4661 tm->tm_reset_length = *cp++; 4662 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4663 cp += tm->tm_reset_length; 4664 4665 /* 4666 * The following items are left in the media block 4667 * that we don't particularly care about: 4668 * 4669 * capabilities W 4670 * advertisement W 4671 * full duplex W 4672 * tx threshold W 4673 * 4674 * These appear to be bits in the PHY registers, 4675 * which our MII code handles on its own. 4676 */ 4677 4678 /* 4679 * Before we probe the MII bus, we need to reset 4680 * it and issue the selection sequence. 4681 */ 4682 4683 /* Set the direction of the pins... */ 4684 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4685 4686 for (i = 0; i < tm->tm_reset_length; i++) { 4687 delay(10); 4688 TULIP_WRITE(sc, CSR_GPP, 4689 sc->sc_srom[tm->tm_reset_offset + i]); 4690 } 4691 4692 for (i = 0; i < tm->tm_gp_length; i++) { 4693 delay(10); 4694 TULIP_WRITE(sc, CSR_GPP, 4695 sc->sc_srom[tm->tm_gp_offset + i]); 4696 } 4697 4698 /* If there were no sequences, just lower the pins. */ 4699 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4700 delay(10); 4701 TULIP_WRITE(sc, CSR_GPP, 0); 4702 } 4703 4704 /* 4705 * Now, probe the MII for the PHY. Note, we know 4706 * the location of the PHY on the bus, but we don't 4707 * particularly care; the MII code just likes to 4708 * search the whole thing anyhow. 4709 */ 4710 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4711 MII_PHY_ANY, tm->tm_phyno, 0); 4712 4713 /* 4714 * Now, search for the PHY we hopefully just 4715 * configured. If it's not configured into the 4716 * kernel, we lose. The PHY's default media always 4717 * takes priority. 4718 */ 4719 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4720 phy != NULL; 4721 phy = LIST_NEXT(phy, mii_list)) 4722 if (phy->mii_offset == tm->tm_phyno) 4723 break; 4724 if (phy == NULL) { 4725 printf("%s: unable to configure MII\n", 4726 sc->sc_dev.dv_xname); 4727 break; 4728 } 4729 4730 sc->sc_flags |= TULIPF_HAS_MII; 4731 sc->sc_tick = tlp_mii_tick; 4732 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4733 phy->mii_inst); 4734 4735 /* 4736 * Okay, now that we've found the PHY and the MII 4737 * layer has added all of the media associated 4738 * with that PHY, we need to traverse the media 4739 * list, and add our `tm' to each entry's `aux' 4740 * pointer. 4741 * 4742 * We do this by looking for media with our 4743 * PHY's `instance'. 4744 */ 4745 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4746 ife != NULL; 4747 ife = TAILQ_NEXT(ife, ifm_list)) { 4748 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4749 continue; 4750 ife->ifm_aux = tm; 4751 } 4752 break; 4753 4754 case TULIP_ROM_MB_21142_SIA: 4755 tlp_get_minst(sc); 4756 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4757 4758 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4759 4760 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4761 tm->tm_get = tlp_sia_get; 4762 tm->tm_set = tlp_sia_set; 4763 4764 /* First is the media type code. */ 4765 tsti = tlp_srom_to_ifmedia(cp[0] & 4766 TULIP_ROM_MB_MEDIA_CODE); 4767 if (tsti == NULL) { 4768 /* Invalid media code. */ 4769 free(tm, M_DEVBUF); 4770 break; 4771 } 4772 4773 /* Get defaults. */ 4774 tlp_srom_media_info(sc, tsti, tm); 4775 4776 /* 4777 * Override our default SIA settings if the 4778 * SROM contains its own. 4779 */ 4780 if (cp[0] & 0x40) { 4781 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4782 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4783 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4784 cp += 7; 4785 } else 4786 cp++; 4787 4788 /* Next is GPIO control/data. */ 4789 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4790 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4791 4792 ifmedia_add(&sc->sc_mii.mii_media, 4793 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4794 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4795 break; 4796 4797 case TULIP_ROM_MB_21142_MII: 4798 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4799 4800 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4801 4802 tm->tm_type = TULIP_ROM_MB_21142_MII; 4803 tm->tm_get = tlp_mii_getmedia; 4804 tm->tm_set = tlp_mii_setmedia; 4805 tm->tm_opmode = OPMODE_PS; 4806 4807 if (sc->sc_reset == NULL) 4808 sc->sc_reset = tlp_21142_reset; 4809 4810 /* First is the PHY number. */ 4811 tm->tm_phyno = *cp++; 4812 4813 /* Next is the MII select sequence length and offset. */ 4814 tm->tm_gp_length = *cp++; 4815 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4816 cp += tm->tm_gp_length * 2; 4817 4818 /* Next is the MII reset sequence length and offset. */ 4819 tm->tm_reset_length = *cp++; 4820 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4821 cp += tm->tm_reset_length * 2; 4822 4823 /* 4824 * The following items are left in the media block 4825 * that we don't particularly care about: 4826 * 4827 * capabilities W 4828 * advertisement W 4829 * full duplex W 4830 * tx threshold W 4831 * MII interrupt W 4832 * 4833 * These appear to be bits in the PHY registers, 4834 * which our MII code handles on its own. 4835 */ 4836 4837 /* 4838 * Before we probe the MII bus, we need to reset 4839 * it and issue the selection sequence. 4840 */ 4841 4842 cp = &sc->sc_srom[tm->tm_reset_offset]; 4843 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4844 delay(10); 4845 TULIP_WRITE(sc, CSR_SIAGEN, 4846 TULIP_ROM_GETW(cp, 0) << 16); 4847 } 4848 4849 cp = &sc->sc_srom[tm->tm_gp_offset]; 4850 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4851 delay(10); 4852 TULIP_WRITE(sc, CSR_SIAGEN, 4853 TULIP_ROM_GETW(cp, 0) << 16); 4854 } 4855 4856 /* If there were no sequences, just lower the pins. */ 4857 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4858 delay(10); 4859 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4860 } 4861 4862 /* 4863 * Now, probe the MII for the PHY. Note, we know 4864 * the location of the PHY on the bus, but we don't 4865 * particularly care; the MII code just likes to 4866 * search the whole thing anyhow. 4867 */ 4868 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4869 MII_PHY_ANY, tm->tm_phyno, 0); 4870 4871 /* 4872 * Now, search for the PHY we hopefully just 4873 * configured. If it's not configured into the 4874 * kernel, we lose. The PHY's default media always 4875 * takes priority. 4876 */ 4877 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4878 phy != NULL; 4879 phy = LIST_NEXT(phy, mii_list)) 4880 if (phy->mii_offset == tm->tm_phyno) 4881 break; 4882 if (phy == NULL) { 4883 printf("%s: unable to configure MII\n", 4884 sc->sc_dev.dv_xname); 4885 break; 4886 } 4887 4888 sc->sc_flags |= TULIPF_HAS_MII; 4889 sc->sc_tick = tlp_mii_tick; 4890 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4891 phy->mii_inst); 4892 4893 /* 4894 * Okay, now that we've found the PHY and the MII 4895 * layer has added all of the media associated 4896 * with that PHY, we need to traverse the media 4897 * list, and add our `tm' to each entry's `aux' 4898 * pointer. 4899 * 4900 * We do this by looking for media with our 4901 * PHY's `instance'. 4902 */ 4903 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4904 ife != NULL; 4905 ife = TAILQ_NEXT(ife, ifm_list)) { 4906 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4907 continue; 4908 ife->ifm_aux = tm; 4909 } 4910 break; 4911 4912 case TULIP_ROM_MB_21143_SYM: 4913 tlp_get_minst(sc); 4914 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4915 4916 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4917 4918 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4919 tm->tm_get = tlp_sia_get; 4920 tm->tm_set = tlp_sia_set; 4921 4922 /* First is the media type code. */ 4923 tsti = tlp_srom_to_ifmedia(cp[0] & 4924 TULIP_ROM_MB_MEDIA_CODE); 4925 if (tsti == NULL) { 4926 /* Invalid media code. */ 4927 free(tm, M_DEVBUF); 4928 break; 4929 } 4930 4931 /* Get defaults. */ 4932 tlp_srom_media_info(sc, tsti, tm); 4933 4934 /* Next is GPIO control/data. */ 4935 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 4936 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 4937 4938 /* 4939 * Next is a word containing OPMODE information 4940 * and info on how to detect if this media is 4941 * active. 4942 */ 4943 word = TULIP_ROM_GETW(cp, 5); 4944 tm->tm_opmode &= OPMODE_FD; 4945 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4946 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4947 tm->tm_actmask = 4948 TULIP_ROM_MB_BITPOS(word); 4949 tm->tm_actdata = 4950 (word & TULIP_ROM_MB_POLARITY) ? 4951 0 : tm->tm_actmask; 4952 } 4953 4954 ifmedia_add(&sc->sc_mii.mii_media, 4955 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4956 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4957 break; 4958 4959 case TULIP_ROM_MB_21143_RESET: 4960 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4961 break; 4962 4963 default: 4964 printf("%s: unknown ISV media block type 0x%02x\n", 4965 sc->sc_dev.dv_xname, type); 4966 } 4967 } 4968 4969 /* 4970 * Deal with the case where no media is configured. 4971 */ 4972 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4973 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4974 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4975 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4976 return; 4977 } 4978 4979 /* 4980 * Pick the default media. 4981 */ 4982 if (miidef != 0) 4983 defmedia = miidef; 4984 else { 4985 switch (sc->sc_chip) { 4986 case TULIP_CHIP_21140: 4987 case TULIP_CHIP_21140A: 4988 /* XXX should come from SROM */ 4989 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4990 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 4991 sc->sc_mii.mii_media.ifm_mask) == NULL) { 4992 /* 4993 * There is not a 10baseT media. 4994 * Fall back to the first found one. 4995 */ 4996 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4997 defmedia = ife->ifm_media; 4998 } 4999 break; 5000 5001 case TULIP_CHIP_21142: 5002 case TULIP_CHIP_21143: 5003 case TULIP_CHIP_MX98713A: 5004 case TULIP_CHIP_MX98715: 5005 case TULIP_CHIP_MX98715A: 5006 case TULIP_CHIP_MX98715AEC_X: 5007 case TULIP_CHIP_MX98725: 5008 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5009 tm->tm_name = "auto"; 5010 tm->tm_get = tlp_2114x_nway_get; 5011 tm->tm_set = tlp_2114x_nway_set; 5012 5013 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5014 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5015 5016 sc->sc_statchg = tlp_2114x_nway_statchg; 5017 sc->sc_tick = tlp_2114x_nway_tick; 5018 break; 5019 5020 default: 5021 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5022 break; 5023 } 5024 } 5025 5026 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5027 5028 /* 5029 * Display any non-MII media we've located. 5030 */ 5031 if (sc->sc_media_seen & 5032 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5033 tlp_print_media(sc); 5034 5035 tlp_sia_fixup(sc); 5036 } 5037 5038 void 5039 tlp_2114x_nway_get(sc, ifmr) 5040 struct tulip_softc *sc; 5041 struct ifmediareq *ifmr; 5042 { 5043 5044 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5045 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5046 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5047 } 5048 5049 int 5050 tlp_2114x_nway_set(sc) 5051 struct tulip_softc *sc; 5052 { 5053 5054 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5055 } 5056 5057 void 5058 tlp_2114x_nway_statchg(self) 5059 struct device *self; 5060 { 5061 struct tulip_softc *sc = (struct tulip_softc *)self; 5062 struct mii_data *mii = &sc->sc_mii; 5063 struct ifmedia_entry *ife; 5064 5065 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5066 return; 5067 5068 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5069 mii->mii_media.ifm_mask)) == NULL) { 5070 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5071 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5072 panic("tlp_2114x_nway_statchg"); 5073 } 5074 5075 tlp_sia_media(sc, ife); 5076 } 5077 5078 void 5079 tlp_2114x_nway_tick(arg) 5080 void *arg; 5081 { 5082 struct tulip_softc *sc = arg; 5083 struct mii_data *mii = &sc->sc_mii; 5084 int s, ticks; 5085 5086 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5087 return; 5088 5089 s = splnet(); 5090 tlp_2114x_nway_service(sc, MII_TICK); 5091 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5092 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5093 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5094 sc->sc_flags |= TULIPF_LINK_UP; 5095 tlp_start(&sc->sc_ethercom.ec_if); 5096 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5097 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5098 sc->sc_flags &= ~TULIPF_LINK_UP; 5099 } 5100 splx(s); 5101 5102 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5103 ticks = hz >> 3; 5104 else 5105 ticks = hz; 5106 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5107 } 5108 5109 /* 5110 * Support for the 2114X internal NWay block. This is constructed 5111 * somewhat like a PHY driver for simplicity. 5112 */ 5113 5114 int 5115 tlp_2114x_nway_service(sc, cmd) 5116 struct tulip_softc *sc; 5117 int cmd; 5118 { 5119 struct mii_data *mii = &sc->sc_mii; 5120 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5121 5122 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5123 return (0); 5124 5125 switch (cmd) { 5126 case MII_POLLSTAT: 5127 /* Nothing special to do here. */ 5128 break; 5129 5130 case MII_MEDIACHG: 5131 switch (IFM_SUBTYPE(ife->ifm_media)) { 5132 case IFM_AUTO: 5133 goto restart; 5134 default: 5135 /* Manual setting doesn't go through here. */ 5136 printf("tlp_2114x_nway_service: oops!\n"); 5137 return (EINVAL); 5138 } 5139 break; 5140 5141 case MII_TICK: 5142 /* 5143 * Only used for autonegotiation. 5144 */ 5145 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5146 break; 5147 5148 /* 5149 * Check to see if we have link. If we do, we don't 5150 * need to restart the autonegotiation process. 5151 */ 5152 #if 0 5153 if (mii->mii_media_status & IFM_ACTIVE) 5154 #else 5155 if (sc->sc_flags & TULIPF_LINK_UP) 5156 #endif 5157 break; 5158 5159 /* 5160 * Only retry autonegotiation every 5 seconds. 5161 */ 5162 if (++sc->sc_nway_ticks != (5 << 3)) 5163 break; 5164 5165 restart: 5166 sc->sc_nway_ticks = 0; 5167 ife->ifm_data = IFM_NONE; 5168 tlp_2114x_nway_auto(sc); 5169 break; 5170 } 5171 5172 /* Update the media status. */ 5173 tlp_2114x_nway_status(sc); 5174 5175 /* 5176 * Callback if something changed. Manually configuration goes through 5177 * tlp_sia_set() anyway, so ignore that here. 5178 */ 5179 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5180 ife->ifm_data != mii->mii_media_active) { 5181 (*sc->sc_statchg)(&sc->sc_dev); 5182 ife->ifm_data = mii->mii_media_active; 5183 } 5184 return (0); 5185 } 5186 5187 void 5188 tlp_2114x_nway_auto(sc) 5189 struct tulip_softc *sc; 5190 { 5191 uint32_t siastat, siatxrx; 5192 5193 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5194 5195 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5196 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5197 siatxrx = 0xffbf; /* XXX magic number */ 5198 5199 /* Compute the link code word to advertise. */ 5200 if (sc->sc_sia_cap & BMSR_100T4) 5201 siatxrx |= SIATXRX_T4; 5202 if (sc->sc_sia_cap & BMSR_100TXFDX) 5203 siatxrx |= SIATXRX_TXF; 5204 if (sc->sc_sia_cap & BMSR_100TXHDX) 5205 siatxrx |= SIATXRX_THX; 5206 if (sc->sc_sia_cap & BMSR_10TFDX) 5207 sc->sc_opmode |= OPMODE_FD; 5208 if (sc->sc_sia_cap & BMSR_10THDX) 5209 siatxrx |= SIATXRX_TH; 5210 5211 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5212 5213 TULIP_WRITE(sc, CSR_SIACONN, 0); 5214 delay(1000); 5215 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5216 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5217 5218 siastat = TULIP_READ(sc, CSR_SIASTAT); 5219 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5220 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5221 siastat |= SIASTAT_ANS_TXDIS; 5222 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5223 } 5224 5225 void 5226 tlp_2114x_nway_status(sc) 5227 struct tulip_softc *sc; 5228 { 5229 struct mii_data *mii = &sc->sc_mii; 5230 uint32_t siatxrx, siastat, anlpar; 5231 5232 mii->mii_media_status = IFM_AVALID; 5233 mii->mii_media_active = IFM_ETHER; 5234 5235 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5236 return; 5237 5238 siastat = TULIP_READ(sc, CSR_SIASTAT); 5239 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5240 5241 if (siatxrx & SIATXRX_ANE) { 5242 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5243 /* Erg, still trying, I guess... */ 5244 mii->mii_media_active |= IFM_NONE; 5245 return; 5246 } 5247 5248 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5249 mii->mii_media_status |= IFM_ACTIVE; 5250 5251 if (siastat & SIASTAT_LPN) { 5252 anlpar = SIASTAT_GETLPC(siastat); 5253 if (anlpar & ANLPAR_T4 && 5254 sc->sc_sia_cap & BMSR_100T4) 5255 mii->mii_media_active |= IFM_100_T4; 5256 else if (anlpar & ANLPAR_TX_FD && 5257 sc->sc_sia_cap & BMSR_100TXFDX) 5258 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5259 else if (anlpar & ANLPAR_TX && 5260 sc->sc_sia_cap & BMSR_100TXHDX) 5261 mii->mii_media_active |= IFM_100_TX; 5262 else if (anlpar & ANLPAR_10_FD && 5263 sc->sc_sia_cap & BMSR_10TFDX) 5264 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5265 else if (anlpar & ANLPAR_10 && 5266 sc->sc_sia_cap & BMSR_10THDX) 5267 mii->mii_media_active |= IFM_10_T; 5268 else 5269 mii->mii_media_active |= IFM_NONE; 5270 } else { 5271 /* 5272 * If the other side doesn't support NWAY, then the 5273 * best we can do is determine if we have a 10Mbps or 5274 * 100Mbps link. There's no way to know if the link 5275 * is full or half duplex, so we default to half duplex 5276 * and hope that the user is clever enough to manually 5277 * change the media settings if we're wrong. 5278 */ 5279 if ((siastat & SIASTAT_LS100) == 0) 5280 mii->mii_media_active |= IFM_100_TX; 5281 else if ((siastat & SIASTAT_LS10) == 0) 5282 mii->mii_media_active |= IFM_10_T; 5283 else 5284 mii->mii_media_active |= IFM_NONE; 5285 } 5286 } else { 5287 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5288 mii->mii_media_status |= IFM_ACTIVE; 5289 5290 if (sc->sc_opmode & OPMODE_TTM) 5291 mii->mii_media_active |= IFM_10_T; 5292 else 5293 mii->mii_media_active |= IFM_100_TX; 5294 if (sc->sc_opmode & OPMODE_FD) 5295 mii->mii_media_active |= IFM_FDX; 5296 } 5297 } 5298 5299 void 5300 tlp_2114x_isv_tmsw_get(sc, ifmr) 5301 struct tulip_softc *sc; 5302 struct ifmediareq *ifmr; 5303 { 5304 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5305 struct tulip_21x4x_media *tm = ife->ifm_aux; 5306 5307 (*tm->tm_get)(sc, ifmr); 5308 } 5309 5310 int 5311 tlp_2114x_isv_tmsw_set(sc) 5312 struct tulip_softc *sc; 5313 { 5314 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5315 struct tulip_21x4x_media *tm = ife->ifm_aux; 5316 5317 /* 5318 * Check to see if we need to reset the chip, and do it. The 5319 * reset path will get the OPMODE register right the next 5320 * time through. 5321 */ 5322 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5323 return (tlp_init(&sc->sc_ethercom.ec_if)); 5324 5325 return ((*tm->tm_set)(sc)); 5326 } 5327 5328 /* 5329 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5330 */ 5331 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5332 5333 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5334 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5335 }; 5336 5337 void 5338 tlp_sio_mii_tmsw_init(sc) 5339 struct tulip_softc *sc; 5340 { 5341 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5342 5343 /* 5344 * We don't attach any media info structures to the ifmedia 5345 * entries, so if we're using a pre-init function that needs 5346 * that info, override it to one that doesn't. 5347 */ 5348 if (sc->sc_preinit == tlp_2114x_preinit) 5349 sc->sc_preinit = tlp_2114x_mii_preinit; 5350 5351 sc->sc_mii.mii_ifp = ifp; 5352 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5353 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5354 sc->sc_mii.mii_statchg = sc->sc_statchg; 5355 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5356 tlp_mediastatus); 5357 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5358 MII_OFFSET_ANY, 0); 5359 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5360 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5361 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5362 } else { 5363 sc->sc_flags |= TULIPF_HAS_MII; 5364 sc->sc_tick = tlp_mii_tick; 5365 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5366 } 5367 } 5368 5369 /* 5370 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5371 */ 5372 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5373 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5374 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5375 5376 const struct tulip_mediasw tlp_pnic_mediasw = { 5377 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5378 }; 5379 5380 void tlp_pnic_nway_statchg __P((struct device *)); 5381 void tlp_pnic_nway_tick __P((void *)); 5382 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5383 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5384 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5385 void tlp_pnic_nway_auto_timeout __P((void *)); 5386 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5387 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5388 5389 void 5390 tlp_pnic_tmsw_init(sc) 5391 struct tulip_softc *sc; 5392 { 5393 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5394 const char *sep = ""; 5395 5396 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5397 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5398 5399 sc->sc_mii.mii_ifp = ifp; 5400 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5401 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5402 sc->sc_mii.mii_statchg = sc->sc_statchg; 5403 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5404 tlp_mediastatus); 5405 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5406 MII_OFFSET_ANY, 0); 5407 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5408 /* XXX What about AUI/BNC support? */ 5409 printf("%s: ", sc->sc_dev.dv_xname); 5410 5411 tlp_pnic_nway_reset(sc); 5412 5413 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5414 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5415 PRINT("10baseT"); 5416 5417 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5418 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5419 PRINT("10baseT-FDX"); 5420 5421 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5422 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5423 PRINT("100baseTX"); 5424 5425 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5426 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5427 PNIC_NWAY_CAP100TXFDX); 5428 PRINT("100baseTX-FDX"); 5429 5430 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5431 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5432 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5433 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5434 PRINT("auto"); 5435 5436 printf("\n"); 5437 5438 sc->sc_statchg = tlp_pnic_nway_statchg; 5439 sc->sc_tick = tlp_pnic_nway_tick; 5440 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5441 } else { 5442 sc->sc_flags |= TULIPF_HAS_MII; 5443 sc->sc_tick = tlp_mii_tick; 5444 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5445 } 5446 5447 #undef ADD 5448 #undef PRINT 5449 } 5450 5451 void 5452 tlp_pnic_tmsw_get(sc, ifmr) 5453 struct tulip_softc *sc; 5454 struct ifmediareq *ifmr; 5455 { 5456 struct mii_data *mii = &sc->sc_mii; 5457 5458 if (sc->sc_flags & TULIPF_HAS_MII) 5459 tlp_mii_getmedia(sc, ifmr); 5460 else { 5461 mii->mii_media_status = 0; 5462 mii->mii_media_active = IFM_NONE; 5463 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5464 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5465 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5466 } 5467 } 5468 5469 int 5470 tlp_pnic_tmsw_set(sc) 5471 struct tulip_softc *sc; 5472 { 5473 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5474 struct mii_data *mii = &sc->sc_mii; 5475 5476 if (sc->sc_flags & TULIPF_HAS_MII) { 5477 /* 5478 * Make sure the built-in Tx jabber timer is disabled. 5479 */ 5480 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5481 5482 return (tlp_mii_setmedia(sc)); 5483 } 5484 5485 if (ifp->if_flags & IFF_UP) { 5486 mii->mii_media_status = 0; 5487 mii->mii_media_active = IFM_NONE; 5488 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5489 } 5490 5491 return (0); 5492 } 5493 5494 void 5495 tlp_pnic_nway_statchg(self) 5496 struct device *self; 5497 { 5498 struct tulip_softc *sc = (struct tulip_softc *)self; 5499 5500 /* Idle the transmit and receive processes. */ 5501 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5502 5503 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5504 OPMODE_SCR|OPMODE_HBD); 5505 5506 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5507 sc->sc_opmode |= OPMODE_TTM; 5508 TULIP_WRITE(sc, CSR_GPP, 5509 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5510 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5511 } else { 5512 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5513 TULIP_WRITE(sc, CSR_GPP, 5514 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5515 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5516 } 5517 5518 if (sc->sc_mii.mii_media_active & IFM_FDX) 5519 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5520 5521 /* 5522 * Write new OPMODE bits. This also restarts the transmit 5523 * and receive processes. 5524 */ 5525 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5526 } 5527 5528 void 5529 tlp_pnic_nway_tick(arg) 5530 void *arg; 5531 { 5532 struct tulip_softc *sc = arg; 5533 int s; 5534 5535 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5536 return; 5537 5538 s = splnet(); 5539 tlp_pnic_nway_service(sc, MII_TICK); 5540 splx(s); 5541 5542 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5543 } 5544 5545 /* 5546 * Support for the Lite-On PNIC internal NWay block. This is constructed 5547 * somewhat like a PHY driver for simplicity. 5548 */ 5549 5550 int 5551 tlp_pnic_nway_service(sc, cmd) 5552 struct tulip_softc *sc; 5553 int cmd; 5554 { 5555 struct mii_data *mii = &sc->sc_mii; 5556 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5557 5558 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5559 return (0); 5560 5561 switch (cmd) { 5562 case MII_POLLSTAT: 5563 /* Nothing special to do here. */ 5564 break; 5565 5566 case MII_MEDIACHG: 5567 switch (IFM_SUBTYPE(ife->ifm_media)) { 5568 case IFM_AUTO: 5569 (void) tlp_pnic_nway_auto(sc, 1); 5570 break; 5571 case IFM_100_T4: 5572 /* 5573 * XXX Not supported as a manual setting right now. 5574 */ 5575 return (EINVAL); 5576 default: 5577 /* 5578 * NWAY register data is stored in the ifmedia entry. 5579 */ 5580 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5581 } 5582 break; 5583 5584 case MII_TICK: 5585 /* 5586 * Only used for autonegotiation. 5587 */ 5588 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5589 return (0); 5590 5591 /* 5592 * Check to see if we have link. If we do, we don't 5593 * need to restart the autonegotiation process. 5594 */ 5595 if (sc->sc_flags & TULIPF_LINK_UP) 5596 return (0); 5597 5598 /* 5599 * Only retry autonegotiation every 5 seconds. 5600 */ 5601 if (++sc->sc_nway_ticks != 5) 5602 return (0); 5603 5604 sc->sc_nway_ticks = 0; 5605 tlp_pnic_nway_reset(sc); 5606 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5607 return (0); 5608 break; 5609 } 5610 5611 /* Update the media status. */ 5612 tlp_pnic_nway_status(sc); 5613 5614 /* Callback if something changed. */ 5615 if ((sc->sc_nway_active == NULL || 5616 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5617 cmd == MII_MEDIACHG) { 5618 (*sc->sc_statchg)(&sc->sc_dev); 5619 tlp_nway_activate(sc, mii->mii_media_active); 5620 } 5621 return (0); 5622 } 5623 5624 void 5625 tlp_pnic_nway_reset(sc) 5626 struct tulip_softc *sc; 5627 { 5628 5629 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5630 delay(100); 5631 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5632 } 5633 5634 int 5635 tlp_pnic_nway_auto(sc, waitfor) 5636 struct tulip_softc *sc; 5637 int waitfor; 5638 { 5639 struct mii_data *mii = &sc->sc_mii; 5640 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5641 u_int32_t reg; 5642 int i; 5643 5644 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5645 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5646 5647 if (waitfor) { 5648 /* Wait 500ms for it to complete. */ 5649 for (i = 0; i < 500; i++) { 5650 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5651 if (reg & PNIC_NWAY_LPAR_MASK) { 5652 tlp_pnic_nway_acomp(sc); 5653 return (0); 5654 } 5655 delay(1000); 5656 } 5657 #if 0 5658 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5659 printf("%s: autonegotiation failed to complete\n", 5660 sc->sc_dev.dv_xname); 5661 #endif 5662 5663 /* 5664 * Don't need to worry about clearing DOINGAUTO. 5665 * If that's set, a timeout is pending, and it will 5666 * clear the flag. 5667 */ 5668 return (EIO); 5669 } 5670 5671 /* 5672 * Just let it finish asynchronously. This is for the benefit of 5673 * the tick handler driving autonegotiation. Don't want 500ms 5674 * delays all the time while the system is running! 5675 */ 5676 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5677 sc->sc_flags |= TULIPF_DOINGAUTO; 5678 callout_reset(&sc->sc_nway_callout, hz >> 1, 5679 tlp_pnic_nway_auto_timeout, sc); 5680 } 5681 return (EJUSTRETURN); 5682 } 5683 5684 void 5685 tlp_pnic_nway_auto_timeout(arg) 5686 void *arg; 5687 { 5688 struct tulip_softc *sc = arg; 5689 u_int32_t reg; 5690 int s; 5691 5692 s = splnet(); 5693 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5694 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5695 #if 0 5696 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5697 printf("%s: autonegotiation failed to complete\n", 5698 sc->sc_dev.dv_xname); 5699 #endif 5700 5701 tlp_pnic_nway_acomp(sc); 5702 5703 /* Update the media status. */ 5704 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5705 splx(s); 5706 } 5707 5708 void 5709 tlp_pnic_nway_status(sc) 5710 struct tulip_softc *sc; 5711 { 5712 struct mii_data *mii = &sc->sc_mii; 5713 u_int32_t reg; 5714 5715 mii->mii_media_status = IFM_AVALID; 5716 mii->mii_media_active = IFM_ETHER; 5717 5718 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5719 5720 if (sc->sc_flags & TULIPF_LINK_UP) 5721 mii->mii_media_status |= IFM_ACTIVE; 5722 5723 if (reg & PNIC_NWAY_NW) { 5724 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5725 /* Erg, still trying, I guess... */ 5726 mii->mii_media_active |= IFM_NONE; 5727 return; 5728 } 5729 5730 #if 0 5731 if (reg & PNIC_NWAY_LPAR100T4) 5732 mii->mii_media_active |= IFM_100_T4; 5733 else 5734 #endif 5735 if (reg & PNIC_NWAY_LPAR100TXFDX) 5736 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5737 else if (reg & PNIC_NWAY_LPAR100TX) 5738 mii->mii_media_active |= IFM_100_TX; 5739 else if (reg & PNIC_NWAY_LPAR10TFDX) 5740 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5741 else if (reg & PNIC_NWAY_LPAR10T) 5742 mii->mii_media_active |= IFM_10_T; 5743 else 5744 mii->mii_media_active |= IFM_NONE; 5745 } else { 5746 if (reg & PNIC_NWAY_100) 5747 mii->mii_media_active |= IFM_100_TX; 5748 else 5749 mii->mii_media_active |= IFM_10_T; 5750 if (reg & PNIC_NWAY_FD) 5751 mii->mii_media_active |= IFM_FDX; 5752 } 5753 } 5754 5755 void 5756 tlp_pnic_nway_acomp(sc) 5757 struct tulip_softc *sc; 5758 { 5759 u_int32_t reg; 5760 5761 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5762 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5763 5764 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5765 reg |= PNIC_NWAY_100; 5766 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5767 reg |= PNIC_NWAY_FD; 5768 5769 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5770 } 5771 5772 /* 5773 * Macronix PMAC and Lite-On PNIC-II media switch: 5774 * 5775 * MX98713 and MX98713A 21140-like MII or GPIO media. 5776 * 5777 * MX98713A 21143-like MII or SIA/SYM media. 5778 * 5779 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5780 * 82C115, MX98715AEC-C, -E 5781 * 5782 * So, what we do here is fake MII-on-SIO or ISV media info, and 5783 * use the ISV media switch get/set functions to handle the rest. 5784 */ 5785 5786 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5787 5788 const struct tulip_mediasw tlp_pmac_mediasw = { 5789 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5790 }; 5791 5792 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5793 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5794 }; 5795 5796 void 5797 tlp_pmac_tmsw_init(sc) 5798 struct tulip_softc *sc; 5799 { 5800 static const u_int8_t media[] = { 5801 TULIP_ROM_MB_MEDIA_TP, 5802 TULIP_ROM_MB_MEDIA_TP_FDX, 5803 TULIP_ROM_MB_MEDIA_100TX, 5804 TULIP_ROM_MB_MEDIA_100TX_FDX, 5805 }; 5806 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5807 struct tulip_21x4x_media *tm; 5808 5809 sc->sc_mii.mii_ifp = ifp; 5810 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5811 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5812 sc->sc_mii.mii_statchg = sc->sc_statchg; 5813 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5814 tlp_mediastatus); 5815 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5816 sc->sc_chip == TULIP_CHIP_MX98713A) { 5817 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5818 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5819 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5820 sc->sc_flags |= TULIPF_HAS_MII; 5821 sc->sc_tick = tlp_mii_tick; 5822 sc->sc_preinit = tlp_2114x_mii_preinit; 5823 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5824 ifmedia_set(&sc->sc_mii.mii_media, 5825 IFM_ETHER|IFM_AUTO); 5826 return; 5827 } 5828 } 5829 5830 switch (sc->sc_chip) { 5831 case TULIP_CHIP_MX98713: 5832 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5833 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5834 5835 /* 5836 * XXX Should implement auto-sense for this someday, 5837 * XXX when we do the same for the 21140. 5838 */ 5839 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5840 break; 5841 5842 default: 5843 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5844 tlp_sia_get, tlp_sia_set, media, 2); 5845 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5846 tlp_sia_get, tlp_sia_set, media + 2, 2); 5847 5848 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5849 tm->tm_name = "auto"; 5850 tm->tm_get = tlp_2114x_nway_get; 5851 tm->tm_set = tlp_2114x_nway_set; 5852 ifmedia_add(&sc->sc_mii.mii_media, 5853 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5854 5855 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5856 sc->sc_statchg = tlp_2114x_nway_statchg; 5857 sc->sc_tick = tlp_2114x_nway_tick; 5858 break; 5859 } 5860 5861 tlp_print_media(sc); 5862 tlp_sia_fixup(sc); 5863 5864 /* Set the LED modes. */ 5865 tlp_pmac_reset(sc); 5866 5867 sc->sc_reset = tlp_pmac_reset; 5868 } 5869 5870 /* 5871 * ADMtek AL981 media switch. Only has internal PHY. 5872 */ 5873 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5874 5875 const struct tulip_mediasw tlp_al981_mediasw = { 5876 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5877 }; 5878 5879 void 5880 tlp_al981_tmsw_init(sc) 5881 struct tulip_softc *sc; 5882 { 5883 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5884 5885 sc->sc_mii.mii_ifp = ifp; 5886 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5887 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5888 sc->sc_mii.mii_statchg = sc->sc_statchg; 5889 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5890 tlp_mediastatus); 5891 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5892 MII_OFFSET_ANY, 0); 5893 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5894 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5895 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5896 } else { 5897 sc->sc_flags |= TULIPF_HAS_MII; 5898 sc->sc_tick = tlp_mii_tick; 5899 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5900 } 5901 } 5902 5903 /* 5904 * ADMtek AN983/985 media switch. Only has internal PHY, but 5905 * on an SIO-like interface. Unfortunately, we can't use the 5906 * standard SIO media switch, because the AN985 "ghosts" the 5907 * singly PHY at every address. 5908 */ 5909 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5910 5911 const struct tulip_mediasw tlp_an985_mediasw = { 5912 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5913 }; 5914 5915 void 5916 tlp_an985_tmsw_init(sc) 5917 struct tulip_softc *sc; 5918 { 5919 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5920 5921 sc->sc_mii.mii_ifp = ifp; 5922 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5923 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5924 sc->sc_mii.mii_statchg = sc->sc_statchg; 5925 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5926 tlp_mediastatus); 5927 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5928 MII_OFFSET_ANY, 0); 5929 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5930 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5931 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5932 } else { 5933 sc->sc_flags |= TULIPF_HAS_MII; 5934 sc->sc_tick = tlp_mii_tick; 5935 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5936 } 5937 } 5938 5939 /* 5940 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5941 */ 5942 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5943 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5944 struct ifmediareq *)); 5945 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5946 5947 const struct tulip_mediasw tlp_dm9102_mediasw = { 5948 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5949 tlp_dm9102_tmsw_setmedia 5950 }; 5951 5952 void 5953 tlp_dm9102_tmsw_init(sc) 5954 struct tulip_softc *sc; 5955 { 5956 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5957 u_int32_t opmode; 5958 5959 sc->sc_mii.mii_ifp = ifp; 5960 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5961 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5962 sc->sc_mii.mii_statchg = sc->sc_statchg; 5963 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5964 tlp_mediastatus); 5965 5966 /* PHY block already reset via tlp_reset(). */ 5967 5968 /* 5969 * Configure OPMODE properly for the internal MII interface. 5970 */ 5971 switch (sc->sc_chip) { 5972 case TULIP_CHIP_DM9102: 5973 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5974 break; 5975 5976 case TULIP_CHIP_DM9102A: 5977 opmode = OPMODE_MBO|OPMODE_HBD; 5978 break; 5979 5980 default: 5981 /* Nothing. */ 5982 break; 5983 } 5984 5985 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5986 5987 /* Now, probe the internal MII for the internal PHY. */ 5988 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5989 MII_OFFSET_ANY, 0); 5990 5991 /* 5992 * XXX Figure out what to do about the HomePNA portion 5993 * XXX of the DM9102A. 5994 */ 5995 5996 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5997 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5998 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5999 } else { 6000 sc->sc_flags |= TULIPF_HAS_MII; 6001 sc->sc_tick = tlp_mii_tick; 6002 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6003 } 6004 } 6005 6006 void 6007 tlp_dm9102_tmsw_getmedia(sc, ifmr) 6008 struct tulip_softc *sc; 6009 struct ifmediareq *ifmr; 6010 { 6011 6012 /* XXX HomePNA on DM9102A. */ 6013 tlp_mii_getmedia(sc, ifmr); 6014 } 6015 6016 int 6017 tlp_dm9102_tmsw_setmedia(sc) 6018 struct tulip_softc *sc; 6019 { 6020 6021 /* XXX HomePNA on DM9102A. */ 6022 return (tlp_mii_setmedia(sc)); 6023 } 6024
Indexes created Wed Oct 15 16:09:53 GMT 2025