tulip.c revision 1.117
1 /* $NetBSD: tulip.c,v 1.117 2002/07/09 20:19:57 chuck 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 1.117 2002/07/09 20:19:57 chuck 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 if (m0->m_pkthdr.len > MHLEN) { 759 MCLGET(m, M_DONTWAIT); 760 if ((m->m_flags & M_EXT) == 0) { 761 printf("%s: unable to allocate Tx " 762 "cluster\n", sc->sc_dev.dv_xname); 763 m_freem(m); 764 break; 765 } 766 } 767 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 768 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 769 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 770 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 771 if (error) { 772 printf("%s: unable to load Tx buffer, " 773 "error = %d\n", sc->sc_dev.dv_xname, error); 774 break; 775 } 776 } 777 778 /* 779 * Ensure we have enough descriptors free to describe 780 * the packet. 781 */ 782 if (dmamap->dm_nsegs > sc->sc_txfree) { 783 /* 784 * Not enough free descriptors to transmit this 785 * packet. We haven't committed to anything yet, 786 * so just unload the DMA map, put the packet 787 * back on the queue, and punt. Notify the upper 788 * layer that there are no more slots left. 789 * 790 * XXX We could allocate an mbuf and copy, but 791 * XXX it is worth it? 792 */ 793 ifp->if_flags |= IFF_OACTIVE; 794 bus_dmamap_unload(sc->sc_dmat, dmamap); 795 if (m != NULL) 796 m_freem(m); 797 break; 798 } 799 800 IFQ_DEQUEUE(&ifp->if_snd, m0); 801 if (m != NULL) { 802 m_freem(m0); 803 m0 = m; 804 } 805 806 /* 807 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 808 */ 809 810 /* Sync the DMA map. */ 811 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 812 BUS_DMASYNC_PREWRITE); 813 814 /* 815 * Initialize the transmit descriptors. 816 */ 817 for (nexttx = sc->sc_txnext, seg = 0; 818 seg < dmamap->dm_nsegs; 819 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 820 /* 821 * If this is the first descriptor we're 822 * enqueueing, don't set the OWN bit just 823 * yet. That could cause a race condition. 824 * We'll do it below. 825 */ 826 sc->sc_txdescs[nexttx].td_status = 827 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 828 sc->sc_txdescs[nexttx].td_bufaddr1 = 829 htole32(dmamap->dm_segs[seg].ds_addr); 830 sc->sc_txdescs[nexttx].td_ctl = 831 htole32((dmamap->dm_segs[seg].ds_len << 832 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 833 (nexttx == (TULIP_NTXDESC - 1) ? 834 sc->sc_tdctl_er : 0)); 835 lasttx = nexttx; 836 } 837 838 /* Set `first segment' and `last segment' appropriately. */ 839 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 840 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 841 842 #ifdef TLP_DEBUG 843 if (ifp->if_flags & IFF_DEBUG) { 844 printf(" txsoft %p transmit chain:\n", txs); 845 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 846 printf(" descriptor %d:\n", seg); 847 printf(" td_status: 0x%08x\n", 848 le32toh(sc->sc_txdescs[seg].td_status)); 849 printf(" td_ctl: 0x%08x\n", 850 le32toh(sc->sc_txdescs[seg].td_ctl)); 851 printf(" td_bufaddr1: 0x%08x\n", 852 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 853 printf(" td_bufaddr2: 0x%08x\n", 854 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 855 if (seg == lasttx) 856 break; 857 } 858 } 859 #endif 860 861 /* Sync the descriptors we're using. */ 862 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 863 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 864 865 /* 866 * Store a pointer to the packet so we can free it later, 867 * and remember what txdirty will be once the packet is 868 * done. 869 */ 870 txs->txs_mbuf = m0; 871 txs->txs_firstdesc = sc->sc_txnext; 872 txs->txs_lastdesc = lasttx; 873 txs->txs_ndescs = dmamap->dm_nsegs; 874 875 /* Advance the tx pointer. */ 876 sc->sc_txfree -= dmamap->dm_nsegs; 877 sc->sc_txnext = nexttx; 878 879 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 880 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 881 882 last_txs = txs; 883 884 #if NBPFILTER > 0 885 /* 886 * Pass the packet to any BPF listeners. 887 */ 888 if (ifp->if_bpf) 889 bpf_mtap(ifp->if_bpf, m0); 890 #endif /* NBPFILTER > 0 */ 891 } 892 893 if (txs == NULL || sc->sc_txfree == 0) { 894 /* No more slots left; notify upper layer. */ 895 ifp->if_flags |= IFF_OACTIVE; 896 } 897 898 if (sc->sc_txfree != ofree) { 899 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 900 sc->sc_dev.dv_xname, lasttx, firsttx)); 901 /* 902 * Cause a transmit interrupt to happen on the 903 * last packet we enqueued. 904 */ 905 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 906 TULIP_CDTXSYNC(sc, lasttx, 1, 907 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 908 909 /* 910 * Some clone chips want IC on the *first* segment in 911 * the packet. Appease them. 912 */ 913 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 914 last_txs->txs_firstdesc != lasttx) { 915 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 916 htole32(TDCTL_Tx_IC); 917 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 918 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 919 } 920 921 /* 922 * The entire packet chain is set up. Give the 923 * first descriptor to the chip now. 924 */ 925 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 926 TULIP_CDTXSYNC(sc, firsttx, 1, 927 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 928 929 /* Wake up the transmitter. */ 930 /* XXX USE AUTOPOLLING? */ 931 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 932 933 /* Set a watchdog timer in case the chip flakes out. */ 934 ifp->if_timer = 5; 935 } 936 } 937 938 /* 939 * tlp_watchdog: [ifnet interface function] 940 * 941 * Watchdog timer handler. 942 */ 943 void 944 tlp_watchdog(ifp) 945 struct ifnet *ifp; 946 { 947 struct tulip_softc *sc = ifp->if_softc; 948 int doing_setup, doing_transmit; 949 950 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 951 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 952 953 if (doing_setup && doing_transmit) { 954 printf("%s: filter setup and transmit timeout\n", 955 sc->sc_dev.dv_xname); 956 ifp->if_oerrors++; 957 } else if (doing_transmit) { 958 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 959 ifp->if_oerrors++; 960 } else if (doing_setup) 961 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 962 else 963 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 964 965 (void) tlp_init(ifp); 966 967 /* Try to get more packets going. */ 968 tlp_start(ifp); 969 } 970 971 /* 972 * tlp_ioctl: [ifnet interface function] 973 * 974 * Handle control requests from the operator. 975 */ 976 int 977 tlp_ioctl(ifp, cmd, data) 978 struct ifnet *ifp; 979 u_long cmd; 980 caddr_t data; 981 { 982 struct tulip_softc *sc = ifp->if_softc; 983 struct ifreq *ifr = (struct ifreq *)data; 984 int s, error; 985 986 s = splnet(); 987 988 switch (cmd) { 989 case SIOCSIFMEDIA: 990 case SIOCGIFMEDIA: 991 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 992 break; 993 994 default: 995 error = ether_ioctl(ifp, cmd, data); 996 if (error == ENETRESET) { 997 if (TULIP_IS_ENABLED(sc)) { 998 /* 999 * Multicast list has changed. Set the 1000 * hardware filter accordingly. 1001 */ 1002 (*sc->sc_filter_setup)(sc); 1003 } 1004 error = 0; 1005 } 1006 break; 1007 } 1008 1009 /* Try to get more packets going. */ 1010 if (TULIP_IS_ENABLED(sc)) 1011 tlp_start(ifp); 1012 1013 splx(s); 1014 return (error); 1015 } 1016 1017 /* 1018 * tlp_intr: 1019 * 1020 * Interrupt service routine. 1021 */ 1022 int 1023 tlp_intr(arg) 1024 void *arg; 1025 { 1026 struct tulip_softc *sc = arg; 1027 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1028 u_int32_t status, rxstatus, txstatus; 1029 int handled = 0, txthresh; 1030 1031 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1032 1033 #ifdef DEBUG 1034 if (TULIP_IS_ENABLED(sc) == 0) 1035 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1036 #endif 1037 1038 /* 1039 * If the interface isn't running, the interrupt couldn't 1040 * possibly have come from us. 1041 */ 1042 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1043 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1044 return (0); 1045 1046 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1047 switch (sc->sc_chip) { 1048 case TULIP_CHIP_DM9102: 1049 case TULIP_CHIP_DM9102A: 1050 TULIP_WRITE(sc, CSR_INTEN, 0); 1051 break; 1052 1053 default: 1054 /* Nothing. */ 1055 break; 1056 } 1057 1058 for (;;) { 1059 status = TULIP_READ(sc, CSR_STATUS); 1060 if (status) 1061 TULIP_WRITE(sc, CSR_STATUS, status); 1062 1063 if ((status & sc->sc_inten) == 0) 1064 break; 1065 1066 handled = 1; 1067 1068 rxstatus = status & sc->sc_rxint_mask; 1069 txstatus = status & sc->sc_txint_mask; 1070 1071 if (rxstatus) { 1072 /* Grab new any new packets. */ 1073 tlp_rxintr(sc); 1074 1075 if (rxstatus & STATUS_RWT) 1076 printf("%s: receive watchdog timeout\n", 1077 sc->sc_dev.dv_xname); 1078 1079 if (rxstatus & STATUS_RU) { 1080 printf("%s: receive ring overrun\n", 1081 sc->sc_dev.dv_xname); 1082 /* Get the receive process going again. */ 1083 if (sc->sc_tdctl_er != TDCTL_ER) { 1084 tlp_idle(sc, OPMODE_SR); 1085 TULIP_WRITE(sc, CSR_RXLIST, 1086 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1087 TULIP_WRITE(sc, CSR_OPMODE, 1088 sc->sc_opmode); 1089 } 1090 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1091 break; 1092 } 1093 } 1094 1095 if (txstatus) { 1096 /* Sweep up transmit descriptors. */ 1097 tlp_txintr(sc); 1098 1099 if (txstatus & STATUS_TJT) 1100 printf("%s: transmit jabber timeout\n", 1101 sc->sc_dev.dv_xname); 1102 1103 if (txstatus & STATUS_UNF) { 1104 /* 1105 * Increase our transmit threshold if 1106 * another is available. 1107 */ 1108 txthresh = sc->sc_txthresh + 1; 1109 if (sc->sc_txth[txthresh].txth_name != NULL) { 1110 /* Idle the transmit process. */ 1111 tlp_idle(sc, OPMODE_ST); 1112 1113 sc->sc_txthresh = txthresh; 1114 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1115 sc->sc_opmode |= 1116 sc->sc_txth[txthresh].txth_opmode; 1117 printf("%s: transmit underrun; new " 1118 "threshold: %s\n", 1119 sc->sc_dev.dv_xname, 1120 sc->sc_txth[txthresh].txth_name); 1121 1122 /* 1123 * Set the new threshold and restart 1124 * the transmit process. 1125 */ 1126 TULIP_WRITE(sc, CSR_OPMODE, 1127 sc->sc_opmode); 1128 } 1129 /* 1130 * XXX Log every Nth underrun from 1131 * XXX now on? 1132 */ 1133 } 1134 } 1135 1136 if (status & (STATUS_TPS|STATUS_RPS)) { 1137 if (status & STATUS_TPS) 1138 printf("%s: transmit process stopped\n", 1139 sc->sc_dev.dv_xname); 1140 if (status & STATUS_RPS) 1141 printf("%s: receive process stopped\n", 1142 sc->sc_dev.dv_xname); 1143 (void) tlp_init(ifp); 1144 break; 1145 } 1146 1147 if (status & STATUS_SE) { 1148 const char *str; 1149 switch (status & STATUS_EB) { 1150 case STATUS_EB_PARITY: 1151 str = "parity error"; 1152 break; 1153 1154 case STATUS_EB_MABT: 1155 str = "master abort"; 1156 break; 1157 1158 case STATUS_EB_TABT: 1159 str = "target abort"; 1160 break; 1161 1162 default: 1163 str = "unknown error"; 1164 break; 1165 } 1166 printf("%s: fatal system error: %s\n", 1167 sc->sc_dev.dv_xname, str); 1168 (void) tlp_init(ifp); 1169 break; 1170 } 1171 1172 /* 1173 * Not handled: 1174 * 1175 * Transmit buffer unavailable -- normal 1176 * condition, nothing to do, really. 1177 * 1178 * General purpose timer experied -- we don't 1179 * use the general purpose timer. 1180 * 1181 * Early receive interrupt -- not available on 1182 * all chips, we just use RI. We also only 1183 * use single-segment receive DMA, so this 1184 * is mostly useless. 1185 */ 1186 } 1187 1188 /* Bring interrupts back up on the DM9102. */ 1189 switch (sc->sc_chip) { 1190 case TULIP_CHIP_DM9102: 1191 case TULIP_CHIP_DM9102A: 1192 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1193 break; 1194 1195 default: 1196 /* Nothing. */ 1197 break; 1198 } 1199 1200 /* Try to get more packets going. */ 1201 tlp_start(ifp); 1202 1203 #if NRND > 0 1204 if (handled) 1205 rnd_add_uint32(&sc->sc_rnd_source, status); 1206 #endif 1207 return (handled); 1208 } 1209 1210 /* 1211 * tlp_rxintr: 1212 * 1213 * Helper; handle receive interrupts. 1214 */ 1215 void 1216 tlp_rxintr(sc) 1217 struct tulip_softc *sc; 1218 { 1219 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1220 struct ether_header *eh; 1221 struct tulip_rxsoft *rxs; 1222 struct mbuf *m; 1223 u_int32_t rxstat; 1224 int i, len; 1225 1226 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1227 rxs = &sc->sc_rxsoft[i]; 1228 1229 TULIP_CDRXSYNC(sc, i, 1230 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1231 1232 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1233 1234 if (rxstat & TDSTAT_OWN) { 1235 /* 1236 * We have processed all of the receive buffers. 1237 */ 1238 break; 1239 } 1240 1241 /* 1242 * Make sure the packet fit in one buffer. This should 1243 * always be the case. But the Lite-On PNIC, rev 33 1244 * has an awful receive engine bug, which may require 1245 * a very icky work-around. 1246 */ 1247 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1248 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1249 printf("%s: incoming packet spilled, resetting\n", 1250 sc->sc_dev.dv_xname); 1251 (void) tlp_init(ifp); 1252 return; 1253 } 1254 1255 /* 1256 * If any collisions were seen on the wire, count one. 1257 */ 1258 if (rxstat & TDSTAT_Rx_CS) 1259 ifp->if_collisions++; 1260 1261 /* 1262 * If an error occurred, update stats, clear the status 1263 * word, and leave the packet buffer in place. It will 1264 * simply be reused the next time the ring comes around. 1265 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1266 * error. 1267 */ 1268 if (rxstat & TDSTAT_ES && 1269 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1270 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1271 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1272 #define PRINTERR(bit, str) \ 1273 if (rxstat & (bit)) \ 1274 printf("%s: receive error: %s\n", \ 1275 sc->sc_dev.dv_xname, str) 1276 ifp->if_ierrors++; 1277 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1278 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1279 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1280 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1281 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1282 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1283 #undef PRINTERR 1284 TULIP_INIT_RXDESC(sc, i); 1285 continue; 1286 } 1287 1288 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1289 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1290 1291 /* 1292 * No errors; receive the packet. Note the Tulip 1293 * includes the CRC with every packet. 1294 */ 1295 len = TDSTAT_Rx_LENGTH(rxstat); 1296 1297 #ifdef __NO_STRICT_ALIGNMENT 1298 /* 1299 * Allocate a new mbuf cluster. If that fails, we are 1300 * out of memory, and must drop the packet and recycle 1301 * the buffer that's already attached to this descriptor. 1302 */ 1303 m = rxs->rxs_mbuf; 1304 if (tlp_add_rxbuf(sc, i) != 0) { 1305 ifp->if_ierrors++; 1306 TULIP_INIT_RXDESC(sc, i); 1307 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1308 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1309 continue; 1310 } 1311 #else 1312 /* 1313 * The Tulip's receive buffers must be 4-byte aligned. 1314 * But this means that the data after the Ethernet header 1315 * is misaligned. We must allocate a new buffer and 1316 * copy the data, shifted forward 2 bytes. 1317 */ 1318 MGETHDR(m, M_DONTWAIT, MT_DATA); 1319 if (m == NULL) { 1320 dropit: 1321 ifp->if_ierrors++; 1322 TULIP_INIT_RXDESC(sc, i); 1323 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1324 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1325 continue; 1326 } 1327 if (len > (MHLEN - 2)) { 1328 MCLGET(m, M_DONTWAIT); 1329 if ((m->m_flags & M_EXT) == 0) { 1330 m_freem(m); 1331 goto dropit; 1332 } 1333 } 1334 m->m_data += 2; 1335 1336 /* 1337 * Note that we use clusters for incoming frames, so the 1338 * buffer is virtually contiguous. 1339 */ 1340 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1341 1342 /* Allow the receive descriptor to continue using its mbuf. */ 1343 TULIP_INIT_RXDESC(sc, i); 1344 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1345 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1346 #endif /* __NO_STRICT_ALIGNMENT */ 1347 1348 ifp->if_ipackets++; 1349 eh = mtod(m, struct ether_header *); 1350 m->m_flags |= M_HASFCS; 1351 m->m_pkthdr.rcvif = ifp; 1352 m->m_pkthdr.len = m->m_len = len; 1353 1354 #if NBPFILTER > 0 1355 /* 1356 * Pass this up to any BPF listeners, but only 1357 * pass it up the stack if its for us. 1358 */ 1359 if (ifp->if_bpf) 1360 bpf_mtap(ifp->if_bpf, m); 1361 #endif /* NPBFILTER > 0 */ 1362 1363 /* 1364 * We sometimes have to run the 21140 in Hash-Only 1365 * mode. If we're in that mode, and not in promiscuous 1366 * mode, and we have a unicast packet that isn't for 1367 * us, then drop it. 1368 */ 1369 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1370 (ifp->if_flags & IFF_PROMISC) == 0 && 1371 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1372 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1373 ETHER_ADDR_LEN) != 0) { 1374 m_freem(m); 1375 continue; 1376 } 1377 1378 /* Pass it on. */ 1379 (*ifp->if_input)(ifp, m); 1380 } 1381 1382 /* Update the receive pointer. */ 1383 sc->sc_rxptr = i; 1384 } 1385 1386 /* 1387 * tlp_txintr: 1388 * 1389 * Helper; handle transmit interrupts. 1390 */ 1391 void 1392 tlp_txintr(sc) 1393 struct tulip_softc *sc; 1394 { 1395 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1396 struct tulip_txsoft *txs; 1397 u_int32_t txstat; 1398 1399 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1400 sc->sc_dev.dv_xname, sc->sc_flags)); 1401 1402 ifp->if_flags &= ~IFF_OACTIVE; 1403 1404 /* 1405 * Go through our Tx list and free mbufs for those 1406 * frames that have been transmitted. 1407 */ 1408 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1409 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1410 txs->txs_ndescs, 1411 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1412 1413 #ifdef TLP_DEBUG 1414 if (ifp->if_flags & IFF_DEBUG) { 1415 int i; 1416 printf(" txsoft %p transmit chain:\n", txs); 1417 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1418 printf(" descriptor %d:\n", i); 1419 printf(" td_status: 0x%08x\n", 1420 le32toh(sc->sc_txdescs[i].td_status)); 1421 printf(" td_ctl: 0x%08x\n", 1422 le32toh(sc->sc_txdescs[i].td_ctl)); 1423 printf(" td_bufaddr1: 0x%08x\n", 1424 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1425 printf(" td_bufaddr2: 0x%08x\n", 1426 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1427 if (i == txs->txs_lastdesc) 1428 break; 1429 } 1430 } 1431 #endif 1432 1433 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1434 if (txstat & TDSTAT_OWN) 1435 break; 1436 1437 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1438 1439 sc->sc_txfree += txs->txs_ndescs; 1440 1441 if (txs->txs_mbuf == NULL) { 1442 /* 1443 * If we didn't have an mbuf, it was the setup 1444 * packet. 1445 */ 1446 #ifdef DIAGNOSTIC 1447 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1448 panic("tlp_txintr: null mbuf, not doing setup"); 1449 #endif 1450 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1451 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1452 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1453 continue; 1454 } 1455 1456 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1457 0, txs->txs_dmamap->dm_mapsize, 1458 BUS_DMASYNC_POSTWRITE); 1459 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1460 m_freem(txs->txs_mbuf); 1461 txs->txs_mbuf = NULL; 1462 1463 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1464 1465 /* 1466 * Check for errors and collisions. 1467 */ 1468 #ifdef TLP_STATS 1469 if (txstat & TDSTAT_Tx_UF) 1470 sc->sc_stats.ts_tx_uf++; 1471 if (txstat & TDSTAT_Tx_TO) 1472 sc->sc_stats.ts_tx_to++; 1473 if (txstat & TDSTAT_Tx_EC) 1474 sc->sc_stats.ts_tx_ec++; 1475 if (txstat & TDSTAT_Tx_LC) 1476 sc->sc_stats.ts_tx_lc++; 1477 #endif 1478 1479 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1480 ifp->if_oerrors++; 1481 1482 if (txstat & TDSTAT_Tx_EC) 1483 ifp->if_collisions += 16; 1484 else 1485 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1486 if (txstat & TDSTAT_Tx_LC) 1487 ifp->if_collisions++; 1488 1489 ifp->if_opackets++; 1490 } 1491 1492 /* 1493 * If there are no more pending transmissions, cancel the watchdog 1494 * timer. 1495 */ 1496 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1497 ifp->if_timer = 0; 1498 1499 /* 1500 * If we have a receive filter setup pending, do it now. 1501 */ 1502 if (sc->sc_flags & TULIPF_WANT_SETUP) 1503 (*sc->sc_filter_setup)(sc); 1504 } 1505 1506 #ifdef TLP_STATS 1507 void 1508 tlp_print_stats(sc) 1509 struct tulip_softc *sc; 1510 { 1511 1512 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1513 sc->sc_dev.dv_xname, 1514 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1515 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1516 } 1517 #endif 1518 1519 /* 1520 * tlp_reset: 1521 * 1522 * Perform a soft reset on the Tulip. 1523 */ 1524 void 1525 tlp_reset(sc) 1526 struct tulip_softc *sc; 1527 { 1528 int i; 1529 1530 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1531 1532 /* 1533 * Xircom clone doesn't bring itself out of reset automatically. 1534 * Instead, we have to wait at least 50 PCI cycles, and then 1535 * clear SWR. 1536 */ 1537 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1538 delay(10); 1539 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1540 } 1541 1542 for (i = 0; i < 1000; i++) { 1543 /* 1544 * Wait at least 50 PCI cycles for the reset to 1545 * complete before peeking at the Tulip again. 1546 * 10 uSec is a bit longer than 50 PCI cycles 1547 * (at 33MHz), but it doesn't hurt have the extra 1548 * wait. 1549 */ 1550 delay(10); 1551 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1552 break; 1553 } 1554 1555 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1556 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1557 1558 delay(1000); 1559 1560 /* 1561 * If the board has any GPIO reset sequences to issue, do them now. 1562 */ 1563 if (sc->sc_reset != NULL) 1564 (*sc->sc_reset)(sc); 1565 } 1566 1567 /* 1568 * tlp_init: [ ifnet interface function ] 1569 * 1570 * Initialize the interface. Must be called at splnet(). 1571 */ 1572 int 1573 tlp_init(ifp) 1574 struct ifnet *ifp; 1575 { 1576 struct tulip_softc *sc = ifp->if_softc; 1577 struct tulip_txsoft *txs; 1578 struct tulip_rxsoft *rxs; 1579 int i, error = 0; 1580 1581 if ((error = tlp_enable(sc)) != 0) 1582 goto out; 1583 1584 /* 1585 * Cancel any pending I/O. 1586 */ 1587 tlp_stop(ifp, 0); 1588 1589 /* 1590 * Initialize `opmode' to 0, and call the pre-init routine, if 1591 * any. This is required because the 2114x and some of the 1592 * clones require that the media-related bits in `opmode' be 1593 * set before performing a soft-reset in order to get internal 1594 * chip pathways are correct. Yay! 1595 */ 1596 sc->sc_opmode = 0; 1597 if (sc->sc_preinit != NULL) 1598 (*sc->sc_preinit)(sc); 1599 1600 /* 1601 * Reset the Tulip to a known state. 1602 */ 1603 tlp_reset(sc); 1604 1605 /* 1606 * Initialize the BUSMODE register. 1607 */ 1608 sc->sc_busmode = BUSMODE_BAR; 1609 switch (sc->sc_chip) { 1610 case TULIP_CHIP_21140: 1611 case TULIP_CHIP_21140A: 1612 case TULIP_CHIP_21142: 1613 case TULIP_CHIP_21143: 1614 case TULIP_CHIP_82C115: 1615 case TULIP_CHIP_MX98725: 1616 /* 1617 * If we're allowed to do so, use Memory Read Line 1618 * and Memory Read Multiple. 1619 * 1620 * XXX Should we use Memory Write and Invalidate? 1621 */ 1622 if (sc->sc_flags & TULIPF_MRL) 1623 sc->sc_busmode |= BUSMODE_RLE; 1624 if (sc->sc_flags & TULIPF_MRM) 1625 sc->sc_busmode |= BUSMODE_RME; 1626 #if 0 1627 if (sc->sc_flags & TULIPF_MWI) 1628 sc->sc_busmode |= BUSMODE_WLE; 1629 #endif 1630 break; 1631 1632 case TULIP_CHIP_82C168: 1633 case TULIP_CHIP_82C169: 1634 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1635 if (sc->sc_maxburst == 0) 1636 sc->sc_maxburst = 16; 1637 break; 1638 1639 default: 1640 /* Nothing. */ 1641 break; 1642 } 1643 switch (sc->sc_cacheline) { 1644 default: 1645 /* 1646 * Note: We must *always* set these bits; a cache 1647 * alignment of 0 is RESERVED. 1648 */ 1649 case 8: 1650 sc->sc_busmode |= BUSMODE_CAL_8LW; 1651 break; 1652 case 16: 1653 sc->sc_busmode |= BUSMODE_CAL_16LW; 1654 break; 1655 case 32: 1656 sc->sc_busmode |= BUSMODE_CAL_32LW; 1657 break; 1658 } 1659 switch (sc->sc_maxburst) { 1660 case 1: 1661 sc->sc_busmode |= BUSMODE_PBL_1LW; 1662 break; 1663 case 2: 1664 sc->sc_busmode |= BUSMODE_PBL_2LW; 1665 break; 1666 case 4: 1667 sc->sc_busmode |= BUSMODE_PBL_4LW; 1668 break; 1669 case 8: 1670 sc->sc_busmode |= BUSMODE_PBL_8LW; 1671 break; 1672 case 16: 1673 sc->sc_busmode |= BUSMODE_PBL_16LW; 1674 break; 1675 case 32: 1676 sc->sc_busmode |= BUSMODE_PBL_32LW; 1677 break; 1678 default: 1679 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1680 break; 1681 } 1682 #if BYTE_ORDER == BIG_ENDIAN 1683 /* 1684 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1685 * support them, and even on ones that do, it doesn't 1686 * always work. So we always access descriptors with 1687 * little endian via htole32/le32toh. 1688 */ 1689 #endif 1690 /* 1691 * Big-endian bus requires BUSMODE_BLE anyway. 1692 * Also, BUSMODE_DBO is needed because we assume 1693 * descriptors are little endian. 1694 */ 1695 if (sc->sc_flags & TULIPF_BLE) 1696 sc->sc_busmode |= BUSMODE_BLE; 1697 if (sc->sc_flags & TULIPF_DBO) 1698 sc->sc_busmode |= BUSMODE_DBO; 1699 1700 /* 1701 * Some chips have a broken bus interface. 1702 */ 1703 switch (sc->sc_chip) { 1704 case TULIP_CHIP_DM9102: 1705 case TULIP_CHIP_DM9102A: 1706 sc->sc_busmode = 0; 1707 break; 1708 1709 default: 1710 /* Nothing. */ 1711 break; 1712 } 1713 1714 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1715 1716 /* 1717 * Initialize the OPMODE register. We don't write it until 1718 * we're ready to begin the transmit and receive processes. 1719 * 1720 * Media-related OPMODE bits are set in the media callbacks 1721 * for each specific chip/board. 1722 */ 1723 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1724 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1725 1726 /* 1727 * Magical mystery initialization on the Macronix chips. 1728 * The MX98713 uses its own magic value, the rest share 1729 * a common one. 1730 */ 1731 switch (sc->sc_chip) { 1732 case TULIP_CHIP_MX98713: 1733 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1734 break; 1735 1736 case TULIP_CHIP_MX98713A: 1737 case TULIP_CHIP_MX98715: 1738 case TULIP_CHIP_MX98715A: 1739 case TULIP_CHIP_MX98715AEC_X: 1740 case TULIP_CHIP_MX98725: 1741 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1742 break; 1743 1744 default: 1745 /* Nothing. */ 1746 break; 1747 } 1748 1749 /* 1750 * Initialize the transmit descriptor ring. 1751 */ 1752 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1753 for (i = 0; i < TULIP_NTXDESC; i++) { 1754 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1755 sc->sc_txdescs[i].td_bufaddr2 = 1756 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1757 } 1758 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1759 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1760 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1761 sc->sc_txfree = TULIP_NTXDESC; 1762 sc->sc_txnext = 0; 1763 1764 /* 1765 * Initialize the transmit job descriptors. 1766 */ 1767 SIMPLEQ_INIT(&sc->sc_txfreeq); 1768 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1769 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1770 txs = &sc->sc_txsoft[i]; 1771 txs->txs_mbuf = NULL; 1772 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1773 } 1774 1775 /* 1776 * Initialize the receive descriptor and receive job 1777 * descriptor rings. 1778 */ 1779 for (i = 0; i < TULIP_NRXDESC; i++) { 1780 rxs = &sc->sc_rxsoft[i]; 1781 if (rxs->rxs_mbuf == NULL) { 1782 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1783 printf("%s: unable to allocate or map rx " 1784 "buffer %d, error = %d\n", 1785 sc->sc_dev.dv_xname, i, error); 1786 /* 1787 * XXX Should attempt to run with fewer receive 1788 * XXX buffers instead of just failing. 1789 */ 1790 tlp_rxdrain(sc); 1791 goto out; 1792 } 1793 } else 1794 TULIP_INIT_RXDESC(sc, i); 1795 } 1796 sc->sc_rxptr = 0; 1797 1798 /* 1799 * Initialize the interrupt mask and enable interrupts. 1800 */ 1801 /* normal interrupts */ 1802 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1803 1804 /* abnormal interrupts */ 1805 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1806 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1807 1808 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1809 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1810 1811 switch (sc->sc_chip) { 1812 case TULIP_CHIP_WB89C840F: 1813 /* 1814 * Clear bits that we don't want that happen to 1815 * overlap or don't exist. 1816 */ 1817 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1818 break; 1819 1820 default: 1821 /* Nothing. */ 1822 break; 1823 } 1824 1825 sc->sc_rxint_mask &= sc->sc_inten; 1826 sc->sc_txint_mask &= sc->sc_inten; 1827 1828 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1829 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1830 1831 /* 1832 * Give the transmit and receive rings to the Tulip. 1833 */ 1834 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1835 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1836 1837 /* 1838 * On chips that do this differently, set the station address. 1839 */ 1840 switch (sc->sc_chip) { 1841 case TULIP_CHIP_WB89C840F: 1842 { 1843 /* XXX Do this with stream writes? */ 1844 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1845 1846 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1847 bus_space_write_1(sc->sc_st, sc->sc_sh, 1848 cpa + i, LLADDR(ifp->if_sadl)[i]); 1849 } 1850 break; 1851 } 1852 1853 case TULIP_CHIP_AL981: 1854 case TULIP_CHIP_AN983: 1855 case TULIP_CHIP_AN985: 1856 { 1857 u_int32_t reg; 1858 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1859 1860 reg = enaddr[0] | 1861 (enaddr[1] << 8) | 1862 (enaddr[2] << 16) | 1863 (enaddr[3] << 24); 1864 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1865 1866 reg = enaddr[4] | 1867 (enaddr[5] << 8); 1868 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1869 } 1870 1871 default: 1872 /* Nothing. */ 1873 break; 1874 } 1875 1876 /* 1877 * Set the receive filter. This will start the transmit and 1878 * receive processes. 1879 */ 1880 (*sc->sc_filter_setup)(sc); 1881 1882 /* 1883 * Set the current media. 1884 */ 1885 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1886 1887 /* 1888 * Start the receive process. 1889 */ 1890 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1891 1892 if (sc->sc_tick != NULL) { 1893 /* Start the one second clock. */ 1894 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1895 } 1896 1897 /* 1898 * Note that the interface is now running. 1899 */ 1900 ifp->if_flags |= IFF_RUNNING; 1901 ifp->if_flags &= ~IFF_OACTIVE; 1902 1903 out: 1904 if (error) { 1905 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1906 ifp->if_timer = 0; 1907 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1908 } 1909 return (error); 1910 } 1911 1912 /* 1913 * tlp_enable: 1914 * 1915 * Enable the Tulip chip. 1916 */ 1917 int 1918 tlp_enable(sc) 1919 struct tulip_softc *sc; 1920 { 1921 1922 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1923 if ((*sc->sc_enable)(sc) != 0) { 1924 printf("%s: device enable failed\n", 1925 sc->sc_dev.dv_xname); 1926 return (EIO); 1927 } 1928 sc->sc_flags |= TULIPF_ENABLED; 1929 } 1930 return (0); 1931 } 1932 1933 /* 1934 * tlp_disable: 1935 * 1936 * Disable the Tulip chip. 1937 */ 1938 void 1939 tlp_disable(sc) 1940 struct tulip_softc *sc; 1941 { 1942 1943 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1944 (*sc->sc_disable)(sc); 1945 sc->sc_flags &= ~TULIPF_ENABLED; 1946 } 1947 } 1948 1949 /* 1950 * tlp_power: 1951 * 1952 * Power management (suspend/resume) hook. 1953 */ 1954 void 1955 tlp_power(why, arg) 1956 int why; 1957 void *arg; 1958 { 1959 struct tulip_softc *sc = arg; 1960 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1961 int s; 1962 1963 s = splnet(); 1964 switch (why) { 1965 case PWR_STANDBY: 1966 /* do nothing! */ 1967 break; 1968 case PWR_SUSPEND: 1969 tlp_stop(ifp, 0); 1970 if (sc->sc_power != NULL) 1971 (*sc->sc_power)(sc, why); 1972 break; 1973 case PWR_RESUME: 1974 if (ifp->if_flags & IFF_UP) { 1975 if (sc->sc_power != NULL) 1976 (*sc->sc_power)(sc, why); 1977 tlp_init(ifp); 1978 } 1979 break; 1980 case PWR_SOFTSUSPEND: 1981 case PWR_SOFTSTANDBY: 1982 case PWR_SOFTRESUME: 1983 break; 1984 } 1985 splx(s); 1986 } 1987 1988 /* 1989 * tlp_rxdrain: 1990 * 1991 * Drain the receive queue. 1992 */ 1993 void 1994 tlp_rxdrain(sc) 1995 struct tulip_softc *sc; 1996 { 1997 struct tulip_rxsoft *rxs; 1998 int i; 1999 2000 for (i = 0; i < TULIP_NRXDESC; i++) { 2001 rxs = &sc->sc_rxsoft[i]; 2002 if (rxs->rxs_mbuf != NULL) { 2003 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2004 m_freem(rxs->rxs_mbuf); 2005 rxs->rxs_mbuf = NULL; 2006 } 2007 } 2008 } 2009 2010 /* 2011 * tlp_stop: [ ifnet interface function ] 2012 * 2013 * Stop transmission on the interface. 2014 */ 2015 void 2016 tlp_stop(ifp, disable) 2017 struct ifnet *ifp; 2018 int disable; 2019 { 2020 struct tulip_softc *sc = ifp->if_softc; 2021 struct tulip_txsoft *txs; 2022 2023 if (sc->sc_tick != NULL) { 2024 /* Stop the one second clock. */ 2025 callout_stop(&sc->sc_tick_callout); 2026 } 2027 2028 if (sc->sc_flags & TULIPF_HAS_MII) { 2029 /* Down the MII. */ 2030 mii_down(&sc->sc_mii); 2031 } 2032 2033 /* Disable interrupts. */ 2034 TULIP_WRITE(sc, CSR_INTEN, 0); 2035 2036 /* Stop the transmit and receive processes. */ 2037 sc->sc_opmode = 0; 2038 TULIP_WRITE(sc, CSR_OPMODE, 0); 2039 TULIP_WRITE(sc, CSR_RXLIST, 0); 2040 TULIP_WRITE(sc, CSR_TXLIST, 0); 2041 2042 /* 2043 * Release any queued transmit buffers. 2044 */ 2045 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2046 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2047 if (txs->txs_mbuf != NULL) { 2048 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2049 m_freem(txs->txs_mbuf); 2050 txs->txs_mbuf = NULL; 2051 } 2052 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2053 } 2054 2055 if (disable) { 2056 tlp_rxdrain(sc); 2057 tlp_disable(sc); 2058 } 2059 2060 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2061 2062 /* 2063 * Mark the interface down and cancel the watchdog timer. 2064 */ 2065 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2066 ifp->if_timer = 0; 2067 2068 /* 2069 * Reset the chip (needed on some flavors to actually disable it). 2070 */ 2071 tlp_reset(sc); 2072 } 2073 2074 #define SROM_EMIT(sc, x) \ 2075 do { \ 2076 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2077 delay(2); \ 2078 } while (0) 2079 2080 /* 2081 * tlp_srom_idle: 2082 * 2083 * Put the SROM in idle state. 2084 */ 2085 void 2086 tlp_srom_idle(sc) 2087 struct tulip_softc *sc; 2088 { 2089 u_int32_t miirom; 2090 int i; 2091 2092 miirom = MIIROM_SR; 2093 SROM_EMIT(sc, miirom); 2094 2095 miirom |= MIIROM_RD; 2096 SROM_EMIT(sc, miirom); 2097 2098 miirom |= MIIROM_SROMCS; 2099 SROM_EMIT(sc, miirom); 2100 2101 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2102 2103 /* Strobe the clock 32 times. */ 2104 for (i = 0; i < 32; i++) { 2105 SROM_EMIT(sc, miirom); 2106 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2107 } 2108 2109 SROM_EMIT(sc, miirom); 2110 2111 miirom &= ~MIIROM_SROMCS; 2112 SROM_EMIT(sc, miirom); 2113 2114 SROM_EMIT(sc, 0); 2115 } 2116 2117 /* 2118 * tlp_srom_size: 2119 * 2120 * Determine the number of address bits in the SROM. 2121 */ 2122 int 2123 tlp_srom_size(sc) 2124 struct tulip_softc *sc; 2125 { 2126 u_int32_t miirom; 2127 int x; 2128 2129 /* Select the SROM. */ 2130 miirom = MIIROM_SR; 2131 SROM_EMIT(sc, miirom); 2132 2133 miirom |= MIIROM_RD; 2134 SROM_EMIT(sc, miirom); 2135 2136 /* Send CHIP SELECT for one clock tick. */ 2137 miirom |= MIIROM_SROMCS; 2138 SROM_EMIT(sc, miirom); 2139 2140 /* Shift in the READ opcode. */ 2141 for (x = 3; x > 0; x--) { 2142 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2143 miirom |= MIIROM_SROMDI; 2144 else 2145 miirom &= ~MIIROM_SROMDI; 2146 SROM_EMIT(sc, miirom); 2147 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2148 SROM_EMIT(sc, miirom); 2149 } 2150 2151 /* Shift in address and look for dummy 0 bit. */ 2152 for (x = 1; x <= 12; x++) { 2153 miirom &= ~MIIROM_SROMDI; 2154 SROM_EMIT(sc, miirom); 2155 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2156 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2157 break; 2158 SROM_EMIT(sc, miirom); 2159 } 2160 2161 /* Clear CHIP SELECT. */ 2162 miirom &= ~MIIROM_SROMCS; 2163 SROM_EMIT(sc, miirom); 2164 2165 /* Deselect the SROM. */ 2166 SROM_EMIT(sc, 0); 2167 2168 if (x < 4 || x > 12) { 2169 printf("%s: broken MicroWire interface detected; " 2170 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2171 return (6); 2172 } else { 2173 if (tlp_srom_debug) 2174 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2175 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2176 return (x); 2177 } 2178 } 2179 2180 /* 2181 * tlp_read_srom: 2182 * 2183 * Read the Tulip SROM. 2184 */ 2185 int 2186 tlp_read_srom(sc) 2187 struct tulip_softc *sc; 2188 { 2189 int size; 2190 u_int32_t miirom; 2191 u_int16_t datain; 2192 int i, x; 2193 2194 tlp_srom_idle(sc); 2195 2196 sc->sc_srom_addrbits = tlp_srom_size(sc); 2197 if (sc->sc_srom_addrbits == 0) 2198 return (0); 2199 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2200 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2201 2202 /* Select the SROM. */ 2203 miirom = MIIROM_SR; 2204 SROM_EMIT(sc, miirom); 2205 2206 miirom |= MIIROM_RD; 2207 SROM_EMIT(sc, miirom); 2208 2209 for (i = 0; i < size; i += 2) { 2210 /* Send CHIP SELECT for one clock tick. */ 2211 miirom |= MIIROM_SROMCS; 2212 SROM_EMIT(sc, miirom); 2213 2214 /* Shift in the READ opcode. */ 2215 for (x = 3; x > 0; x--) { 2216 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2217 miirom |= MIIROM_SROMDI; 2218 else 2219 miirom &= ~MIIROM_SROMDI; 2220 SROM_EMIT(sc, miirom); 2221 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2222 SROM_EMIT(sc, miirom); 2223 } 2224 2225 /* Shift in address. */ 2226 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2227 if (i & (1 << x)) 2228 miirom |= MIIROM_SROMDI; 2229 else 2230 miirom &= ~MIIROM_SROMDI; 2231 SROM_EMIT(sc, miirom); 2232 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2233 SROM_EMIT(sc, miirom); 2234 } 2235 2236 /* Shift out data. */ 2237 miirom &= ~MIIROM_SROMDI; 2238 datain = 0; 2239 for (x = 16; x > 0; x--) { 2240 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2241 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2242 datain |= (1 << (x - 1)); 2243 SROM_EMIT(sc, miirom); 2244 } 2245 sc->sc_srom[i] = datain & 0xff; 2246 sc->sc_srom[i + 1] = datain >> 8; 2247 2248 /* Clear CHIP SELECT. */ 2249 miirom &= ~MIIROM_SROMCS; 2250 SROM_EMIT(sc, miirom); 2251 } 2252 2253 /* Deselect the SROM. */ 2254 SROM_EMIT(sc, 0); 2255 2256 /* ...and idle it. */ 2257 tlp_srom_idle(sc); 2258 2259 if (tlp_srom_debug) { 2260 printf("SROM CONTENTS:"); 2261 for (i = 0; i < size; i++) { 2262 if ((i % 8) == 0) 2263 printf("\n\t"); 2264 printf("0x%02x ", sc->sc_srom[i]); 2265 } 2266 printf("\n"); 2267 } 2268 2269 return (1); 2270 } 2271 2272 #undef SROM_EMIT 2273 2274 /* 2275 * tlp_add_rxbuf: 2276 * 2277 * Add a receive buffer to the indicated descriptor. 2278 */ 2279 int 2280 tlp_add_rxbuf(sc, idx) 2281 struct tulip_softc *sc; 2282 int idx; 2283 { 2284 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2285 struct mbuf *m; 2286 int error; 2287 2288 MGETHDR(m, M_DONTWAIT, MT_DATA); 2289 if (m == NULL) 2290 return (ENOBUFS); 2291 2292 MCLGET(m, M_DONTWAIT); 2293 if ((m->m_flags & M_EXT) == 0) { 2294 m_freem(m); 2295 return (ENOBUFS); 2296 } 2297 2298 if (rxs->rxs_mbuf != NULL) 2299 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2300 2301 rxs->rxs_mbuf = m; 2302 2303 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2304 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2305 BUS_DMA_READ|BUS_DMA_NOWAIT); 2306 if (error) { 2307 printf("%s: can't load rx DMA map %d, error = %d\n", 2308 sc->sc_dev.dv_xname, idx, error); 2309 panic("tlp_add_rxbuf"); /* XXX */ 2310 } 2311 2312 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2313 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2314 2315 TULIP_INIT_RXDESC(sc, idx); 2316 2317 return (0); 2318 } 2319 2320 /* 2321 * tlp_srom_crcok: 2322 * 2323 * Check the CRC of the Tulip SROM. 2324 */ 2325 int 2326 tlp_srom_crcok(romdata) 2327 const u_int8_t *romdata; 2328 { 2329 u_int32_t crc; 2330 2331 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2332 crc = (crc & 0xffff) ^ 0xffff; 2333 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2334 return (1); 2335 2336 /* 2337 * Try an alternate checksum. 2338 */ 2339 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2340 crc = (crc & 0xffff) ^ 0xffff; 2341 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2342 return (1); 2343 2344 return (0); 2345 } 2346 2347 /* 2348 * tlp_isv_srom: 2349 * 2350 * Check to see if the SROM is in the new standardized format. 2351 */ 2352 int 2353 tlp_isv_srom(romdata) 2354 const u_int8_t *romdata; 2355 { 2356 int i; 2357 u_int16_t cksum; 2358 2359 if (tlp_srom_crcok(romdata)) { 2360 /* 2361 * SROM CRC checks out; must be in the new format. 2362 */ 2363 return (1); 2364 } 2365 2366 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2367 if (cksum == 0xffff || cksum == 0) { 2368 /* 2369 * No checksum present. Check the SROM ID; 18 bytes of 0 2370 * followed by 1 (version) followed by the number of 2371 * adapters which use this SROM (should be non-zero). 2372 */ 2373 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2374 if (romdata[i] != 0) 2375 return (0); 2376 } 2377 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2378 return (0); 2379 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2380 return (0); 2381 return (1); 2382 } 2383 2384 return (0); 2385 } 2386 2387 /* 2388 * tlp_isv_srom_enaddr: 2389 * 2390 * Get the Ethernet address from an ISV SROM. 2391 */ 2392 int 2393 tlp_isv_srom_enaddr(sc, enaddr) 2394 struct tulip_softc *sc; 2395 u_int8_t *enaddr; 2396 { 2397 int i, devcnt; 2398 2399 if (tlp_isv_srom(sc->sc_srom) == 0) 2400 return (0); 2401 2402 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2403 for (i = 0; i < devcnt; i++) { 2404 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2405 break; 2406 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2407 sc->sc_devno) 2408 break; 2409 } 2410 2411 if (i == devcnt) 2412 return (0); 2413 2414 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2415 ETHER_ADDR_LEN); 2416 enaddr[5] += i; 2417 2418 return (1); 2419 } 2420 2421 /* 2422 * tlp_parse_old_srom: 2423 * 2424 * Parse old-format SROMs. 2425 * 2426 * This routine is largely lifted from Matt Thomas's `de' driver. 2427 */ 2428 int 2429 tlp_parse_old_srom(sc, enaddr) 2430 struct tulip_softc *sc; 2431 u_int8_t *enaddr; 2432 { 2433 static const u_int8_t testpat[] = 2434 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2435 int i; 2436 u_int32_t cksum; 2437 2438 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2439 /* 2440 * Some vendors (e.g. ZNYX) don't use the standard 2441 * DEC Address ROM format, but rather just have an 2442 * Ethernet address in the first 6 bytes, maybe a 2443 * 2 byte checksum, and then all 0xff's. 2444 * 2445 * On the other hand, Cobalt Networks interfaces 2446 * simply have the address in the first six bytes 2447 * with the rest zeroed out. 2448 */ 2449 for (i = 8; i < 32; i++) { 2450 if (sc->sc_srom[i] != 0xff && 2451 sc->sc_srom[i] != 0) 2452 return (0); 2453 } 2454 2455 /* 2456 * Sanity check the Ethernet address: 2457 * 2458 * - Make sure it's not multicast or locally 2459 * assigned 2460 * - Make sure it has a non-0 OUI 2461 */ 2462 if (sc->sc_srom[0] & 3) 2463 return (0); 2464 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2465 sc->sc_srom[2] == 0) 2466 return (0); 2467 2468 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2469 return (1); 2470 } 2471 2472 /* 2473 * Standard DEC Address ROM test. 2474 */ 2475 2476 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2477 return (0); 2478 2479 for (i = 0; i < 8; i++) { 2480 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2481 return (0); 2482 } 2483 2484 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2485 2486 cksum = *(u_int16_t *) &enaddr[0]; 2487 2488 cksum <<= 1; 2489 if (cksum > 0xffff) 2490 cksum -= 0xffff; 2491 2492 cksum += *(u_int16_t *) &enaddr[2]; 2493 if (cksum > 0xffff) 2494 cksum -= 0xffff; 2495 2496 cksum <<= 1; 2497 if (cksum > 0xffff) 2498 cksum -= 0xffff; 2499 2500 cksum += *(u_int16_t *) &enaddr[4]; 2501 if (cksum >= 0xffff) 2502 cksum -= 0xffff; 2503 2504 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2505 return (0); 2506 2507 return (1); 2508 } 2509 2510 /* 2511 * tlp_filter_setup: 2512 * 2513 * Set the Tulip's receive filter. 2514 */ 2515 void 2516 tlp_filter_setup(sc) 2517 struct tulip_softc *sc; 2518 { 2519 struct ethercom *ec = &sc->sc_ethercom; 2520 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2521 struct ether_multi *enm; 2522 struct ether_multistep step; 2523 __volatile u_int32_t *sp; 2524 struct tulip_txsoft *txs; 2525 u_int8_t enaddr[ETHER_ADDR_LEN]; 2526 u_int32_t hash, hashsize; 2527 int cnt; 2528 2529 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2530 sc->sc_dev.dv_xname, sc->sc_flags)); 2531 2532 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2533 2534 /* 2535 * If there are transmissions pending, wait until they have 2536 * completed. 2537 */ 2538 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2539 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2540 sc->sc_flags |= TULIPF_WANT_SETUP; 2541 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2542 sc->sc_dev.dv_xname)); 2543 return; 2544 } 2545 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2546 2547 switch (sc->sc_chip) { 2548 case TULIP_CHIP_82C115: 2549 hashsize = TULIP_PNICII_HASHSIZE; 2550 break; 2551 2552 default: 2553 hashsize = TULIP_MCHASHSIZE; 2554 } 2555 2556 /* 2557 * If we're running, idle the transmit and receive engines. If 2558 * we're NOT running, we're being called from tlp_init(), and our 2559 * writing OPMODE will start the transmit and receive processes 2560 * in motion. 2561 */ 2562 if (ifp->if_flags & IFF_RUNNING) 2563 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2564 2565 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2566 2567 if (ifp->if_flags & IFF_PROMISC) { 2568 sc->sc_opmode |= OPMODE_PR; 2569 goto allmulti; 2570 } 2571 2572 /* 2573 * Try Perfect filtering first. 2574 */ 2575 2576 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2577 sp = TULIP_CDSP(sc); 2578 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2579 cnt = 0; 2580 ETHER_FIRST_MULTI(step, ec, enm); 2581 while (enm != NULL) { 2582 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2583 /* 2584 * We must listen to a range of multicast addresses. 2585 * For now, just accept all multicasts, rather than 2586 * trying to set only those filter bits needed to match 2587 * the range. (At this time, the only use of address 2588 * ranges is for IP multicast routing, for which the 2589 * range is big enough to require all bits set.) 2590 */ 2591 goto allmulti; 2592 } 2593 if (cnt == (TULIP_MAXADDRS - 2)) { 2594 /* 2595 * We already have our multicast limit (still need 2596 * our station address and broadcast). Go to 2597 * Hash-Perfect mode. 2598 */ 2599 goto hashperfect; 2600 } 2601 cnt++; 2602 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2603 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2604 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2605 ETHER_NEXT_MULTI(step, enm); 2606 } 2607 2608 if (ifp->if_flags & IFF_BROADCAST) { 2609 /* ...and the broadcast address. */ 2610 cnt++; 2611 *sp++ = TULIP_SP_FIELD_C(0xffff); 2612 *sp++ = TULIP_SP_FIELD_C(0xffff); 2613 *sp++ = TULIP_SP_FIELD_C(0xffff); 2614 } 2615 2616 /* Pad the rest with our station address. */ 2617 for (; cnt < TULIP_MAXADDRS; cnt++) { 2618 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2619 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2620 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2621 } 2622 ifp->if_flags &= ~IFF_ALLMULTI; 2623 goto setit; 2624 2625 hashperfect: 2626 /* 2627 * Try Hash-Perfect mode. 2628 */ 2629 2630 /* 2631 * Some 21140 chips have broken Hash-Perfect modes. On these 2632 * chips, we simply use Hash-Only mode, and put our station 2633 * address into the filter. 2634 */ 2635 if (sc->sc_chip == TULIP_CHIP_21140) 2636 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2637 else 2638 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2639 sp = TULIP_CDSP(sc); 2640 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2641 ETHER_FIRST_MULTI(step, ec, enm); 2642 while (enm != NULL) { 2643 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2644 /* 2645 * We must listen to a range of multicast addresses. 2646 * For now, just accept all multicasts, rather than 2647 * trying to set only those filter bits needed to match 2648 * the range. (At this time, the only use of address 2649 * ranges is for IP multicast routing, for which the 2650 * range is big enough to require all bits set.) 2651 */ 2652 goto allmulti; 2653 } 2654 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2655 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2656 ETHER_NEXT_MULTI(step, enm); 2657 } 2658 2659 if (ifp->if_flags & IFF_BROADCAST) { 2660 /* ...and the broadcast address. */ 2661 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2662 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2663 } 2664 2665 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2666 /* ...and our station address. */ 2667 hash = tlp_mchash(enaddr, hashsize); 2668 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2669 } else { 2670 /* 2671 * Hash-Perfect mode; put our station address after 2672 * the hash table. 2673 */ 2674 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2675 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2676 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2677 } 2678 ifp->if_flags &= ~IFF_ALLMULTI; 2679 goto setit; 2680 2681 allmulti: 2682 /* 2683 * Use Perfect filter mode. First address is the broadcast address, 2684 * and pad the rest with our station address. We'll set Pass-all- 2685 * multicast in OPMODE below. 2686 */ 2687 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2688 sp = TULIP_CDSP(sc); 2689 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2690 cnt = 0; 2691 if (ifp->if_flags & IFF_BROADCAST) { 2692 cnt++; 2693 *sp++ = TULIP_SP_FIELD_C(0xffff); 2694 *sp++ = TULIP_SP_FIELD_C(0xffff); 2695 *sp++ = TULIP_SP_FIELD_C(0xffff); 2696 } 2697 for (; cnt < TULIP_MAXADDRS; cnt++) { 2698 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2699 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2700 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2701 } 2702 ifp->if_flags |= IFF_ALLMULTI; 2703 2704 setit: 2705 if (ifp->if_flags & IFF_ALLMULTI) 2706 sc->sc_opmode |= OPMODE_PM; 2707 2708 /* Sync the setup packet buffer. */ 2709 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2710 2711 /* 2712 * Fill in the setup packet descriptor. 2713 */ 2714 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2715 2716 txs->txs_firstdesc = sc->sc_txnext; 2717 txs->txs_lastdesc = sc->sc_txnext; 2718 txs->txs_ndescs = 1; 2719 txs->txs_mbuf = NULL; 2720 2721 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2722 htole32(TULIP_CDSPADDR(sc)); 2723 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2724 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2725 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2726 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2727 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2728 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2729 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2730 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2731 2732 /* Advance the tx pointer. */ 2733 sc->sc_txfree -= 1; 2734 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2735 2736 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2737 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2738 2739 /* 2740 * Set the OPMODE register. This will also resume the 2741 * transmit transmit process we idled above. 2742 */ 2743 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2744 2745 sc->sc_flags |= TULIPF_DOING_SETUP; 2746 2747 /* 2748 * Kick the transmitter; this will cause the Tulip to 2749 * read the setup descriptor. 2750 */ 2751 /* XXX USE AUTOPOLLING? */ 2752 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2753 2754 /* Set up a watchdog timer in case the chip flakes out. */ 2755 ifp->if_timer = 5; 2756 2757 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2758 } 2759 2760 /* 2761 * tlp_winb_filter_setup: 2762 * 2763 * Set the Winbond 89C840F's receive filter. 2764 */ 2765 void 2766 tlp_winb_filter_setup(sc) 2767 struct tulip_softc *sc; 2768 { 2769 struct ethercom *ec = &sc->sc_ethercom; 2770 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2771 struct ether_multi *enm; 2772 struct ether_multistep step; 2773 u_int32_t hash, mchash[2]; 2774 2775 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2776 sc->sc_dev.dv_xname, sc->sc_flags)); 2777 2778 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2779 2780 if (ifp->if_flags & IFF_MULTICAST) 2781 sc->sc_opmode |= OPMODE_WINB_AMP; 2782 2783 if (ifp->if_flags & IFF_BROADCAST) 2784 sc->sc_opmode |= OPMODE_WINB_ABP; 2785 2786 if (ifp->if_flags & IFF_PROMISC) { 2787 sc->sc_opmode |= OPMODE_WINB_APP; 2788 goto allmulti; 2789 } 2790 2791 mchash[0] = mchash[1] = 0; 2792 2793 ETHER_FIRST_MULTI(step, ec, enm); 2794 while (enm != NULL) { 2795 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2796 /* 2797 * We must listen to a range of multicast addresses. 2798 * For now, just accept all multicasts, rather than 2799 * trying to set only those filter bits needed to match 2800 * the range. (At this time, the only use of address 2801 * ranges is for IP multicast routing, for which the 2802 * range is big enough to require all bits set.) 2803 */ 2804 goto allmulti; 2805 } 2806 2807 /* 2808 * According to the FreeBSD `wb' driver, yes, you 2809 * really do invert the hash. 2810 */ 2811 hash = 2812 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2813 & 0x3f; 2814 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2815 ETHER_NEXT_MULTI(step, enm); 2816 } 2817 ifp->if_flags &= ~IFF_ALLMULTI; 2818 goto setit; 2819 2820 allmulti: 2821 ifp->if_flags |= IFF_ALLMULTI; 2822 mchash[0] = mchash[1] = 0xffffffff; 2823 2824 setit: 2825 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2826 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2827 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2828 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2829 sc->sc_dev.dv_xname)); 2830 } 2831 2832 /* 2833 * tlp_al981_filter_setup: 2834 * 2835 * Set the ADMtek AL981's receive filter. 2836 */ 2837 void 2838 tlp_al981_filter_setup(sc) 2839 struct tulip_softc *sc; 2840 { 2841 struct ethercom *ec = &sc->sc_ethercom; 2842 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2843 struct ether_multi *enm; 2844 struct ether_multistep step; 2845 u_int32_t hash, mchash[2]; 2846 2847 /* 2848 * If the chip is running, we need to reset the interface, 2849 * and will revisit here (with IFF_RUNNING) clear. The 2850 * chip seems to really not like to have its multicast 2851 * filter programmed without a reset. 2852 */ 2853 if (ifp->if_flags & IFF_RUNNING) { 2854 (void) tlp_init(ifp); 2855 return; 2856 } 2857 2858 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2859 sc->sc_dev.dv_xname, sc->sc_flags)); 2860 2861 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2862 2863 if (ifp->if_flags & IFF_PROMISC) { 2864 sc->sc_opmode |= OPMODE_PR; 2865 goto allmulti; 2866 } 2867 2868 mchash[0] = mchash[1] = 0; 2869 2870 ETHER_FIRST_MULTI(step, ec, enm); 2871 while (enm != NULL) { 2872 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2873 /* 2874 * We must listen to a range of multicast addresses. 2875 * For now, just accept all multicasts, rather than 2876 * trying to set only those filter bits needed to match 2877 * the range. (At this time, the only use of address 2878 * ranges is for IP multicast routing, for which the 2879 * range is big enough to require all bits set.) 2880 */ 2881 goto allmulti; 2882 } 2883 2884 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2885 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2886 ETHER_NEXT_MULTI(step, enm); 2887 } 2888 ifp->if_flags &= ~IFF_ALLMULTI; 2889 goto setit; 2890 2891 allmulti: 2892 ifp->if_flags |= IFF_ALLMULTI; 2893 mchash[0] = mchash[1] = 0xffffffff; 2894 2895 setit: 2896 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2897 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2898 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2899 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2900 sc->sc_dev.dv_xname)); 2901 } 2902 2903 /* 2904 * tlp_idle: 2905 * 2906 * Cause the transmit and/or receive processes to go idle. 2907 */ 2908 void 2909 tlp_idle(sc, bits) 2910 struct tulip_softc *sc; 2911 u_int32_t bits; 2912 { 2913 static const char * const tlp_tx_state_names[] = { 2914 "STOPPED", 2915 "RUNNING - FETCH", 2916 "RUNNING - WAIT", 2917 "RUNNING - READING", 2918 "-- RESERVED --", 2919 "RUNNING - SETUP", 2920 "SUSPENDED", 2921 "RUNNING - CLOSE", 2922 }; 2923 static const char * const tlp_rx_state_names[] = { 2924 "STOPPED", 2925 "RUNNING - FETCH", 2926 "RUNNING - CHECK", 2927 "RUNNING - WAIT", 2928 "SUSPENDED", 2929 "RUNNING - CLOSE", 2930 "RUNNING - FLUSH", 2931 "RUNNING - QUEUE", 2932 }; 2933 static const char * const dm9102_tx_state_names[] = { 2934 "STOPPED", 2935 "RUNNING - FETCH", 2936 "RUNNING - SETUP", 2937 "RUNNING - READING", 2938 "RUNNING - CLOSE - CLEAR OWNER", 2939 "RUNNING - WAIT", 2940 "RUNNING - CLOSE - WRITE STATUS", 2941 "SUSPENDED", 2942 }; 2943 static const char * const dm9102_rx_state_names[] = { 2944 "STOPPED", 2945 "RUNNING - FETCH", 2946 "RUNNING - WAIT", 2947 "RUNNING - QUEUE", 2948 "RUNNING - CLOSE - CLEAR OWNER", 2949 "RUNNING - CLOSE - WRITE STATUS", 2950 "SUSPENDED", 2951 "RUNNING - FLUSH", 2952 }; 2953 2954 const char * const *tx_state_names, * const *rx_state_names; 2955 u_int32_t csr, ackmask = 0; 2956 int i; 2957 2958 switch (sc->sc_chip) { 2959 case TULIP_CHIP_DM9102: 2960 case TULIP_CHIP_DM9102A: 2961 tx_state_names = dm9102_tx_state_names; 2962 rx_state_names = dm9102_rx_state_names; 2963 break; 2964 2965 default: 2966 tx_state_names = tlp_tx_state_names; 2967 rx_state_names = tlp_rx_state_names; 2968 break; 2969 } 2970 2971 if (bits & OPMODE_ST) 2972 ackmask |= STATUS_TPS; 2973 2974 if (bits & OPMODE_SR) 2975 ackmask |= STATUS_RPS; 2976 2977 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2978 2979 for (i = 0; i < 1000; i++) { 2980 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2981 break; 2982 delay(10); 2983 } 2984 2985 csr = TULIP_READ(sc, CSR_STATUS); 2986 if ((csr & ackmask) != ackmask) { 2987 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2988 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 2989 printf("%s: transmit process failed to idle: " 2990 "state %s\n", sc->sc_dev.dv_xname, 2991 tx_state_names[(csr & STATUS_TS) >> 20]); 2992 } 2993 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2994 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 2995 switch (sc->sc_chip) { 2996 case TULIP_CHIP_AN983: 2997 case TULIP_CHIP_AN985: 2998 /* 2999 * Filter the message out on noisy chips. 3000 */ 3001 break; 3002 default: 3003 printf("%s: receive process failed to idle: " 3004 "state %s\n", sc->sc_dev.dv_xname, 3005 rx_state_names[(csr & STATUS_RS) >> 17]); 3006 } 3007 } 3008 } 3009 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3010 } 3011 3012 /***************************************************************************** 3013 * Generic media support functions. 3014 *****************************************************************************/ 3015 3016 /* 3017 * tlp_mediastatus: [ifmedia interface function] 3018 * 3019 * Query the current media. 3020 */ 3021 void 3022 tlp_mediastatus(ifp, ifmr) 3023 struct ifnet *ifp; 3024 struct ifmediareq *ifmr; 3025 { 3026 struct tulip_softc *sc = ifp->if_softc; 3027 3028 if (TULIP_IS_ENABLED(sc) == 0) { 3029 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3030 ifmr->ifm_status = 0; 3031 return; 3032 } 3033 3034 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3035 } 3036 3037 /* 3038 * tlp_mediachange: [ifmedia interface function] 3039 * 3040 * Update the current media. 3041 */ 3042 int 3043 tlp_mediachange(ifp) 3044 struct ifnet *ifp; 3045 { 3046 struct tulip_softc *sc = ifp->if_softc; 3047 3048 if ((ifp->if_flags & IFF_UP) == 0) 3049 return (0); 3050 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3051 } 3052 3053 /***************************************************************************** 3054 * Support functions for MII-attached media. 3055 *****************************************************************************/ 3056 3057 /* 3058 * tlp_mii_tick: 3059 * 3060 * One second timer, used to tick the MII. 3061 */ 3062 void 3063 tlp_mii_tick(arg) 3064 void *arg; 3065 { 3066 struct tulip_softc *sc = arg; 3067 int s; 3068 3069 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3070 return; 3071 3072 s = splnet(); 3073 mii_tick(&sc->sc_mii); 3074 splx(s); 3075 3076 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3077 } 3078 3079 /* 3080 * tlp_mii_statchg: [mii interface function] 3081 * 3082 * Callback from PHY when media changes. 3083 */ 3084 void 3085 tlp_mii_statchg(self) 3086 struct device *self; 3087 { 3088 struct tulip_softc *sc = (struct tulip_softc *)self; 3089 3090 /* Idle the transmit and receive processes. */ 3091 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3092 3093 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3094 3095 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3096 sc->sc_opmode |= OPMODE_TTM; 3097 else 3098 sc->sc_opmode |= OPMODE_HBD; 3099 3100 if (sc->sc_mii.mii_media_active & IFM_FDX) 3101 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3102 3103 /* 3104 * Write new OPMODE bits. This also restarts the transmit 3105 * and receive processes. 3106 */ 3107 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3108 } 3109 3110 /* 3111 * tlp_winb_mii_statchg: [mii interface function] 3112 * 3113 * Callback from PHY when media changes. This version is 3114 * for the Winbond 89C840F, which has different OPMODE bits. 3115 */ 3116 void 3117 tlp_winb_mii_statchg(self) 3118 struct device *self; 3119 { 3120 struct tulip_softc *sc = (struct tulip_softc *)self; 3121 3122 /* Idle the transmit and receive processes. */ 3123 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3124 3125 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3126 3127 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3128 sc->sc_opmode |= OPMODE_WINB_FES; 3129 3130 if (sc->sc_mii.mii_media_active & IFM_FDX) 3131 sc->sc_opmode |= OPMODE_FD; 3132 3133 /* 3134 * Write new OPMODE bits. This also restarts the transmit 3135 * and receive processes. 3136 */ 3137 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3138 } 3139 3140 /* 3141 * tlp_dm9102_mii_statchg: [mii interface function] 3142 * 3143 * Callback from PHY when media changes. This version is 3144 * for the DM9102. 3145 */ 3146 void 3147 tlp_dm9102_mii_statchg(self) 3148 struct device *self; 3149 { 3150 struct tulip_softc *sc = (struct tulip_softc *)self; 3151 3152 /* 3153 * Don't idle the transmit and receive processes, here. It 3154 * seems to fail, and just causes excess noise. 3155 */ 3156 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3157 3158 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3159 sc->sc_opmode |= OPMODE_TTM; 3160 3161 if (sc->sc_mii.mii_media_active & IFM_FDX) 3162 sc->sc_opmode |= OPMODE_FD; 3163 3164 /* 3165 * Write new OPMODE bits. 3166 */ 3167 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3168 } 3169 3170 /* 3171 * tlp_mii_getmedia: 3172 * 3173 * Callback from ifmedia to request current media status. 3174 */ 3175 void 3176 tlp_mii_getmedia(sc, ifmr) 3177 struct tulip_softc *sc; 3178 struct ifmediareq *ifmr; 3179 { 3180 3181 mii_pollstat(&sc->sc_mii); 3182 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3183 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3184 } 3185 3186 /* 3187 * tlp_mii_setmedia: 3188 * 3189 * Callback from ifmedia to request new media setting. 3190 */ 3191 int 3192 tlp_mii_setmedia(sc) 3193 struct tulip_softc *sc; 3194 { 3195 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3196 3197 if (ifp->if_flags & IFF_UP) { 3198 switch (sc->sc_chip) { 3199 case TULIP_CHIP_21142: 3200 case TULIP_CHIP_21143: 3201 /* Disable the internal Nway engine. */ 3202 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3203 break; 3204 3205 default: 3206 /* Nothing. */ 3207 break; 3208 } 3209 mii_mediachg(&sc->sc_mii); 3210 } 3211 return (0); 3212 } 3213 3214 /* 3215 * tlp_bitbang_mii_readreg: 3216 * 3217 * Read a PHY register via bit-bang'ing the MII. 3218 */ 3219 int 3220 tlp_bitbang_mii_readreg(self, phy, reg) 3221 struct device *self; 3222 int phy, reg; 3223 { 3224 struct tulip_softc *sc = (void *) self; 3225 3226 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3227 } 3228 3229 /* 3230 * tlp_bitbang_mii_writereg: 3231 * 3232 * Write a PHY register via bit-bang'ing the MII. 3233 */ 3234 void 3235 tlp_bitbang_mii_writereg(self, phy, reg, val) 3236 struct device *self; 3237 int phy, reg, val; 3238 { 3239 struct tulip_softc *sc = (void *) self; 3240 3241 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3242 } 3243 3244 /* 3245 * tlp_sio_mii_bitbang_read: 3246 * 3247 * Read the MII serial port for the MII bit-bang module. 3248 */ 3249 u_int32_t 3250 tlp_sio_mii_bitbang_read(self) 3251 struct device *self; 3252 { 3253 struct tulip_softc *sc = (void *) self; 3254 3255 return (TULIP_READ(sc, CSR_MIIROM)); 3256 } 3257 3258 /* 3259 * tlp_sio_mii_bitbang_write: 3260 * 3261 * Write the MII serial port for the MII bit-bang module. 3262 */ 3263 void 3264 tlp_sio_mii_bitbang_write(self, val) 3265 struct device *self; 3266 u_int32_t val; 3267 { 3268 struct tulip_softc *sc = (void *) self; 3269 3270 TULIP_WRITE(sc, CSR_MIIROM, val); 3271 } 3272 3273 /* 3274 * tlp_pnic_mii_readreg: 3275 * 3276 * Read a PHY register on the Lite-On PNIC. 3277 */ 3278 int 3279 tlp_pnic_mii_readreg(self, phy, reg) 3280 struct device *self; 3281 int phy, reg; 3282 { 3283 struct tulip_softc *sc = (void *) self; 3284 u_int32_t val; 3285 int i; 3286 3287 TULIP_WRITE(sc, CSR_PNIC_MII, 3288 PNIC_MII_MBO | PNIC_MII_RESERVED | 3289 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3290 (reg << PNIC_MII_REGSHIFT)); 3291 3292 for (i = 0; i < 1000; i++) { 3293 delay(10); 3294 val = TULIP_READ(sc, CSR_PNIC_MII); 3295 if ((val & PNIC_MII_BUSY) == 0) { 3296 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3297 return (0); 3298 else 3299 return (val & PNIC_MII_DATA); 3300 } 3301 } 3302 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3303 return (0); 3304 } 3305 3306 /* 3307 * tlp_pnic_mii_writereg: 3308 * 3309 * Write a PHY register on the Lite-On PNIC. 3310 */ 3311 void 3312 tlp_pnic_mii_writereg(self, phy, reg, val) 3313 struct device *self; 3314 int phy, reg, val; 3315 { 3316 struct tulip_softc *sc = (void *) self; 3317 int i; 3318 3319 TULIP_WRITE(sc, CSR_PNIC_MII, 3320 PNIC_MII_MBO | PNIC_MII_RESERVED | 3321 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3322 (reg << PNIC_MII_REGSHIFT) | val); 3323 3324 for (i = 0; i < 1000; i++) { 3325 delay(10); 3326 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3327 return; 3328 } 3329 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3330 } 3331 3332 const bus_addr_t tlp_al981_phy_regmap[] = { 3333 CSR_ADM_BMCR, 3334 CSR_ADM_BMSR, 3335 CSR_ADM_PHYIDR1, 3336 CSR_ADM_PHYIDR2, 3337 CSR_ADM_ANAR, 3338 CSR_ADM_ANLPAR, 3339 CSR_ADM_ANER, 3340 3341 CSR_ADM_XMC, 3342 CSR_ADM_XCIIS, 3343 CSR_ADM_XIE, 3344 CSR_ADM_100CTR, 3345 }; 3346 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3347 sizeof(tlp_al981_phy_regmap[0]); 3348 3349 /* 3350 * tlp_al981_mii_readreg: 3351 * 3352 * Read a PHY register on the ADMtek AL981. 3353 */ 3354 int 3355 tlp_al981_mii_readreg(self, phy, reg) 3356 struct device *self; 3357 int phy, reg; 3358 { 3359 struct tulip_softc *sc = (struct tulip_softc *)self; 3360 3361 /* AL981 only has an internal PHY. */ 3362 if (phy != 0) 3363 return (0); 3364 3365 if (reg >= tlp_al981_phy_regmap_size) 3366 return (0); 3367 3368 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3369 tlp_al981_phy_regmap[reg]) & 0xffff); 3370 } 3371 3372 /* 3373 * tlp_al981_mii_writereg: 3374 * 3375 * Write a PHY register on the ADMtek AL981. 3376 */ 3377 void 3378 tlp_al981_mii_writereg(self, phy, reg, val) 3379 struct device *self; 3380 int phy, reg, val; 3381 { 3382 struct tulip_softc *sc = (struct tulip_softc *)self; 3383 3384 /* AL981 only has an internal PHY. */ 3385 if (phy != 0) 3386 return; 3387 3388 if (reg >= tlp_al981_phy_regmap_size) 3389 return; 3390 3391 bus_space_write_4(sc->sc_st, sc->sc_sh, 3392 tlp_al981_phy_regmap[reg], val); 3393 } 3394 3395 /***************************************************************************** 3396 * Chip-specific pre-init and reset functions. 3397 *****************************************************************************/ 3398 3399 /* 3400 * tlp_2114x_preinit: 3401 * 3402 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3403 */ 3404 void 3405 tlp_2114x_preinit(sc) 3406 struct tulip_softc *sc; 3407 { 3408 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3409 struct tulip_21x4x_media *tm = ife->ifm_aux; 3410 3411 /* 3412 * Whether or not we're in MII or SIA/SYM mode, the media info 3413 * contains the appropriate OPMODE bits. 3414 * 3415 * Also, we always set the Must-Be-One bit. 3416 */ 3417 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3418 3419 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3420 } 3421 3422 /* 3423 * tlp_2114x_mii_preinit: 3424 * 3425 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3426 * This version is used by boards which only have MII and don't have 3427 * an ISV SROM. 3428 */ 3429 void 3430 tlp_2114x_mii_preinit(sc) 3431 struct tulip_softc *sc; 3432 { 3433 3434 /* 3435 * Always set the Must-Be-One bit, and Port Select (to select MII). 3436 * We'll never be called during a media change. 3437 */ 3438 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3439 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3440 } 3441 3442 /* 3443 * tlp_pnic_preinit: 3444 * 3445 * Pre-init function for the Lite-On 82c168 and 82c169. 3446 */ 3447 void 3448 tlp_pnic_preinit(sc) 3449 struct tulip_softc *sc; 3450 { 3451 3452 if (sc->sc_flags & TULIPF_HAS_MII) { 3453 /* 3454 * MII case: just set the port-select bit; we will never 3455 * be called during a media change. 3456 */ 3457 sc->sc_opmode |= OPMODE_PS; 3458 } else { 3459 /* 3460 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3461 */ 3462 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3463 } 3464 } 3465 3466 /* 3467 * tlp_dm9102_preinit: 3468 * 3469 * Pre-init function for the Davicom DM9102. 3470 */ 3471 void 3472 tlp_dm9102_preinit(sc) 3473 struct tulip_softc *sc; 3474 { 3475 3476 switch (sc->sc_chip) { 3477 case TULIP_CHIP_DM9102: 3478 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3479 break; 3480 3481 case TULIP_CHIP_DM9102A: 3482 /* 3483 * XXX Figure out how to actually deal with the HomePNA 3484 * XXX portion of the DM9102A. 3485 */ 3486 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3487 break; 3488 3489 default: 3490 /* Nothing. */ 3491 break; 3492 } 3493 3494 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3495 } 3496 3497 /* 3498 * tlp_21140_reset: 3499 * 3500 * Issue a reset sequence on the 21140 via the GPIO facility. 3501 */ 3502 void 3503 tlp_21140_reset(sc) 3504 struct tulip_softc *sc; 3505 { 3506 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3507 struct tulip_21x4x_media *tm = ife->ifm_aux; 3508 int i; 3509 3510 /* First, set the direction on the GPIO pins. */ 3511 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3512 3513 /* Now, issue the reset sequence. */ 3514 for (i = 0; i < tm->tm_reset_length; i++) { 3515 delay(10); 3516 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3517 } 3518 3519 /* Now, issue the selection sequence. */ 3520 for (i = 0; i < tm->tm_gp_length; i++) { 3521 delay(10); 3522 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3523 } 3524 3525 /* If there were no sequences, just lower the pins. */ 3526 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3527 delay(10); 3528 TULIP_WRITE(sc, CSR_GPP, 0); 3529 } 3530 } 3531 3532 /* 3533 * tlp_21142_reset: 3534 * 3535 * Issue a reset sequence on the 21142 via the GPIO facility. 3536 */ 3537 void 3538 tlp_21142_reset(sc) 3539 struct tulip_softc *sc; 3540 { 3541 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3542 struct tulip_21x4x_media *tm = ife->ifm_aux; 3543 const u_int8_t *cp; 3544 int i; 3545 3546 cp = &sc->sc_srom[tm->tm_reset_offset]; 3547 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3548 delay(10); 3549 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3550 } 3551 3552 cp = &sc->sc_srom[tm->tm_gp_offset]; 3553 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3554 delay(10); 3555 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3556 } 3557 3558 /* If there were no sequences, just lower the pins. */ 3559 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3560 delay(10); 3561 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3562 } 3563 } 3564 3565 /* 3566 * tlp_pmac_reset: 3567 * 3568 * Reset routine for Macronix chips. 3569 */ 3570 void 3571 tlp_pmac_reset(sc) 3572 struct tulip_softc *sc; 3573 { 3574 3575 switch (sc->sc_chip) { 3576 case TULIP_CHIP_82C115: 3577 case TULIP_CHIP_MX98715: 3578 case TULIP_CHIP_MX98715A: 3579 case TULIP_CHIP_MX98725: 3580 /* 3581 * Set the LED operating mode. This information is located 3582 * in the EEPROM at byte offset 0x77, per the MX98715A and 3583 * MX98725 application notes. 3584 */ 3585 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3586 break; 3587 case TULIP_CHIP_MX98715AEC_X: 3588 /* 3589 * Set the LED operating mode. This information is located 3590 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3591 * application note. 3592 */ 3593 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3594 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3595 break; 3596 3597 default: 3598 /* Nothing. */ 3599 break; 3600 } 3601 } 3602 3603 /* 3604 * tlp_dm9102_reset: 3605 * 3606 * Reset routine for the Davicom DM9102. 3607 */ 3608 void 3609 tlp_dm9102_reset(sc) 3610 struct tulip_softc *sc; 3611 { 3612 3613 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3614 delay(100); 3615 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3616 } 3617 3618 /***************************************************************************** 3619 * Chip/board-specific media switches. The ones here are ones that 3620 * are potentially common to multiple front-ends. 3621 *****************************************************************************/ 3622 3623 /* 3624 * This table is a common place for all sorts of media information, 3625 * keyed off of the SROM media code for that media. 3626 * 3627 * Note that we explicitly configure the 21142/21143 to always advertise 3628 * NWay capabilities when using the UTP port. 3629 * XXX Actually, we don't yet. 3630 */ 3631 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3632 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3633 "10baseT", 3634 OPMODE_TTM, 3635 { SIACONN_21040_10BASET, 3636 SIATXRX_21040_10BASET, 3637 SIAGEN_21040_10BASET }, 3638 3639 { SIACONN_21041_10BASET, 3640 SIATXRX_21041_10BASET, 3641 SIAGEN_21041_10BASET }, 3642 3643 { SIACONN_21142_10BASET, 3644 SIATXRX_21142_10BASET, 3645 SIAGEN_21142_10BASET } }, 3646 3647 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3648 "10base2", 3649 0, 3650 { 0, 3651 0, 3652 0 }, 3653 3654 { SIACONN_21041_BNC, 3655 SIATXRX_21041_BNC, 3656 SIAGEN_21041_BNC }, 3657 3658 { SIACONN_21142_BNC, 3659 SIATXRX_21142_BNC, 3660 SIAGEN_21142_BNC } }, 3661 3662 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3663 "10base5", 3664 0, 3665 { SIACONN_21040_AUI, 3666 SIATXRX_21040_AUI, 3667 SIAGEN_21040_AUI }, 3668 3669 { SIACONN_21041_AUI, 3670 SIATXRX_21041_AUI, 3671 SIAGEN_21041_AUI }, 3672 3673 { SIACONN_21142_AUI, 3674 SIATXRX_21142_AUI, 3675 SIAGEN_21142_AUI } }, 3676 3677 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3678 "100baseTX", 3679 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3680 { 0, 3681 0, 3682 0 }, 3683 3684 { 0, 3685 0, 3686 0 }, 3687 3688 { 0, 3689 0, 3690 SIAGEN_ABM } }, 3691 3692 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3693 "10baseT-FDX", 3694 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3695 { SIACONN_21040_10BASET_FDX, 3696 SIATXRX_21040_10BASET_FDX, 3697 SIAGEN_21040_10BASET_FDX }, 3698 3699 { SIACONN_21041_10BASET_FDX, 3700 SIATXRX_21041_10BASET_FDX, 3701 SIAGEN_21041_10BASET_FDX }, 3702 3703 { SIACONN_21142_10BASET_FDX, 3704 SIATXRX_21142_10BASET_FDX, 3705 SIAGEN_21142_10BASET_FDX } }, 3706 3707 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3708 "100baseTX-FDX", 3709 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3710 { 0, 3711 0, 3712 0 }, 3713 3714 { 0, 3715 0, 3716 0 }, 3717 3718 { 0, 3719 0, 3720 SIAGEN_ABM } }, 3721 3722 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3723 "100baseT4", 3724 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3725 { 0, 3726 0, 3727 0 }, 3728 3729 { 0, 3730 0, 3731 0 }, 3732 3733 { 0, 3734 0, 3735 SIAGEN_ABM } }, 3736 3737 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3738 "100baseFX", 3739 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3740 { 0, 3741 0, 3742 0 }, 3743 3744 { 0, 3745 0, 3746 0 }, 3747 3748 { 0, 3749 0, 3750 SIAGEN_ABM } }, 3751 3752 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3753 "100baseFX-FDX", 3754 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3755 { 0, 3756 0, 3757 0 }, 3758 3759 { 0, 3760 0, 3761 0 }, 3762 3763 { 0, 3764 0, 3765 SIAGEN_ABM } }, 3766 3767 { 0, 0, 0, 3768 NULL, 3769 0, 3770 { 0, 3771 0, 3772 0 }, 3773 3774 { 0, 3775 0, 3776 0 }, 3777 3778 { 0, 3779 0, 3780 0 } }, 3781 }; 3782 3783 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3784 void tlp_srom_media_info __P((struct tulip_softc *, 3785 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3786 void tlp_add_srom_media __P((struct tulip_softc *, int, 3787 void (*)(struct tulip_softc *, struct ifmediareq *), 3788 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3789 void tlp_print_media __P((struct tulip_softc *)); 3790 void tlp_nway_activate __P((struct tulip_softc *, int)); 3791 void tlp_get_minst __P((struct tulip_softc *)); 3792 3793 const struct tulip_srom_to_ifmedia * 3794 tlp_srom_to_ifmedia(sm) 3795 u_int8_t sm; 3796 { 3797 const struct tulip_srom_to_ifmedia *tsti; 3798 3799 for (tsti = tulip_srom_to_ifmedia_table; 3800 tsti->tsti_name != NULL; tsti++) { 3801 if (tsti->tsti_srom == sm) 3802 return (tsti); 3803 } 3804 3805 return (NULL); 3806 } 3807 3808 void 3809 tlp_srom_media_info(sc, tsti, tm) 3810 struct tulip_softc *sc; 3811 const struct tulip_srom_to_ifmedia *tsti; 3812 struct tulip_21x4x_media *tm; 3813 { 3814 3815 tm->tm_name = tsti->tsti_name; 3816 tm->tm_opmode = tsti->tsti_opmode; 3817 3818 switch (sc->sc_chip) { 3819 case TULIP_CHIP_DE425: 3820 case TULIP_CHIP_21040: 3821 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3822 break; 3823 3824 case TULIP_CHIP_21041: 3825 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3826 break; 3827 3828 case TULIP_CHIP_21142: 3829 case TULIP_CHIP_21143: 3830 case TULIP_CHIP_82C115: 3831 case TULIP_CHIP_MX98715: 3832 case TULIP_CHIP_MX98715A: 3833 case TULIP_CHIP_MX98715AEC_X: 3834 case TULIP_CHIP_MX98725: 3835 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3836 break; 3837 3838 default: 3839 /* Nothing. */ 3840 break; 3841 } 3842 } 3843 3844 void 3845 tlp_add_srom_media(sc, type, get, set, list, cnt) 3846 struct tulip_softc *sc; 3847 int type; 3848 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3849 int (*set) __P((struct tulip_softc *)); 3850 const u_int8_t *list; 3851 int cnt; 3852 { 3853 struct tulip_21x4x_media *tm; 3854 const struct tulip_srom_to_ifmedia *tsti; 3855 int i; 3856 3857 for (i = 0; i < cnt; i++) { 3858 tsti = tlp_srom_to_ifmedia(list[i]); 3859 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3860 tlp_srom_media_info(sc, tsti, tm); 3861 tm->tm_type = type; 3862 tm->tm_get = get; 3863 tm->tm_set = set; 3864 3865 ifmedia_add(&sc->sc_mii.mii_media, 3866 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3867 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3868 } 3869 } 3870 3871 void 3872 tlp_print_media(sc) 3873 struct tulip_softc *sc; 3874 { 3875 struct ifmedia_entry *ife; 3876 struct tulip_21x4x_media *tm; 3877 const char *sep = ""; 3878 3879 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3880 3881 printf("%s: ", sc->sc_dev.dv_xname); 3882 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3883 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3884 tm = ife->ifm_aux; 3885 if (tm == NULL) { 3886 #ifdef DIAGNOSTIC 3887 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3888 panic("tlp_print_media"); 3889 #endif 3890 PRINT("auto"); 3891 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3892 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3893 PRINT(tm->tm_name); 3894 } 3895 } 3896 printf("\n"); 3897 3898 #undef PRINT 3899 } 3900 3901 void 3902 tlp_nway_activate(sc, media) 3903 struct tulip_softc *sc; 3904 int media; 3905 { 3906 struct ifmedia_entry *ife; 3907 3908 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3909 #ifdef DIAGNOSTIC 3910 if (ife == NULL) 3911 panic("tlp_nway_activate"); 3912 #endif 3913 sc->sc_nway_active = ife; 3914 } 3915 3916 void 3917 tlp_get_minst(sc) 3918 struct tulip_softc *sc; 3919 { 3920 3921 if ((sc->sc_media_seen & 3922 ~((1 << TULIP_ROM_MB_21140_MII) | 3923 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3924 /* 3925 * We have not yet seen any SIA/SYM media (but are 3926 * about to; that's why we're called!), so assign 3927 * the current media instance to be the `internal media' 3928 * instance, and advance it so any MII media gets a 3929 * fresh one (used to selecting/isolating a PHY). 3930 */ 3931 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3932 } 3933 } 3934 3935 /* 3936 * SIA Utility functions. 3937 */ 3938 void tlp_sia_update_link __P((struct tulip_softc *)); 3939 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3940 int tlp_sia_set __P((struct tulip_softc *)); 3941 void tlp_sia_fixup __P((struct tulip_softc *)); 3942 3943 void 3944 tlp_sia_update_link(sc) 3945 struct tulip_softc *sc; 3946 { 3947 struct ifmedia_entry *ife; 3948 struct tulip_21x4x_media *tm; 3949 u_int32_t siastat; 3950 3951 ife = TULIP_CURRENT_MEDIA(sc); 3952 tm = ife->ifm_aux; 3953 3954 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3955 3956 siastat = TULIP_READ(sc, CSR_SIASTAT); 3957 3958 /* 3959 * Note that when we do SIA link tests, we are assuming that 3960 * the chip is really in the mode that the current media setting 3961 * reflects. If we're not, then the link tests will not be 3962 * accurate! 3963 */ 3964 switch (IFM_SUBTYPE(ife->ifm_media)) { 3965 case IFM_10_T: 3966 sc->sc_flags |= TULIPF_LINK_VALID; 3967 if ((siastat & SIASTAT_LS10) == 0) 3968 sc->sc_flags |= TULIPF_LINK_UP; 3969 break; 3970 3971 case IFM_100_TX: 3972 case IFM_100_T4: 3973 sc->sc_flags |= TULIPF_LINK_VALID; 3974 if ((siastat & SIASTAT_LS100) == 0) 3975 sc->sc_flags |= TULIPF_LINK_UP; 3976 break; 3977 } 3978 3979 switch (sc->sc_chip) { 3980 case TULIP_CHIP_21142: 3981 case TULIP_CHIP_21143: 3982 /* 3983 * On these chips, we can tell more information about 3984 * AUI/BNC. Note that the AUI/BNC selection is made 3985 * in a different register; for our purpose, it's all 3986 * AUI. 3987 */ 3988 switch (IFM_SUBTYPE(ife->ifm_media)) { 3989 case IFM_10_2: 3990 case IFM_10_5: 3991 sc->sc_flags |= TULIPF_LINK_VALID; 3992 if (siastat & SIASTAT_ARA) { 3993 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3994 sc->sc_flags |= TULIPF_LINK_UP; 3995 } 3996 break; 3997 3998 default: 3999 /* 4000 * If we're SYM media and can detect the link 4001 * via the GPIO facility, prefer that status 4002 * over LS100. 4003 */ 4004 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4005 tm->tm_actmask != 0) { 4006 sc->sc_flags = (sc->sc_flags & 4007 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4008 if (TULIP_ISSET(sc, CSR_SIAGEN, 4009 tm->tm_actmask) == tm->tm_actdata) 4010 sc->sc_flags |= TULIPF_LINK_UP; 4011 } 4012 } 4013 break; 4014 4015 default: 4016 /* Nothing. */ 4017 break; 4018 } 4019 } 4020 4021 void 4022 tlp_sia_get(sc, ifmr) 4023 struct tulip_softc *sc; 4024 struct ifmediareq *ifmr; 4025 { 4026 struct ifmedia_entry *ife; 4027 4028 ifmr->ifm_status = 0; 4029 4030 tlp_sia_update_link(sc); 4031 4032 ife = TULIP_CURRENT_MEDIA(sc); 4033 4034 if (sc->sc_flags & TULIPF_LINK_VALID) 4035 ifmr->ifm_status |= IFM_AVALID; 4036 if (sc->sc_flags & TULIPF_LINK_UP) 4037 ifmr->ifm_status |= IFM_ACTIVE; 4038 ifmr->ifm_active = ife->ifm_media; 4039 } 4040 4041 void 4042 tlp_sia_fixup(sc) 4043 struct tulip_softc *sc; 4044 { 4045 struct ifmedia_entry *ife; 4046 struct tulip_21x4x_media *tm; 4047 u_int32_t siaconn, siatxrx, siagen; 4048 4049 switch (sc->sc_chip) { 4050 case TULIP_CHIP_82C115: 4051 case TULIP_CHIP_MX98713A: 4052 case TULIP_CHIP_MX98715: 4053 case TULIP_CHIP_MX98715A: 4054 case TULIP_CHIP_MX98715AEC_X: 4055 case TULIP_CHIP_MX98725: 4056 siaconn = PMAC_SIACONN_MASK; 4057 siatxrx = PMAC_SIATXRX_MASK; 4058 siagen = PMAC_SIAGEN_MASK; 4059 break; 4060 4061 default: 4062 /* No fixups required on any other chips. */ 4063 return; 4064 } 4065 4066 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4067 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4068 tm = ife->ifm_aux; 4069 if (tm == NULL) 4070 continue; 4071 4072 tm->tm_siaconn &= siaconn; 4073 tm->tm_siatxrx &= siatxrx; 4074 tm->tm_siagen &= siagen; 4075 } 4076 } 4077 4078 int 4079 tlp_sia_set(sc) 4080 struct tulip_softc *sc; 4081 { 4082 struct ifmedia_entry *ife; 4083 struct tulip_21x4x_media *tm; 4084 4085 ife = TULIP_CURRENT_MEDIA(sc); 4086 tm = ife->ifm_aux; 4087 4088 /* 4089 * XXX This appears to be necessary on a bunch of the clone chips. 4090 */ 4091 delay(20000); 4092 4093 /* 4094 * Idle the chip. 4095 */ 4096 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4097 4098 /* 4099 * Program the SIA. It's important to write in this order, 4100 * resetting the SIA first. 4101 */ 4102 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4103 delay(1000); 4104 4105 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4106 4107 switch (sc->sc_chip) { 4108 case TULIP_CHIP_21142: 4109 case TULIP_CHIP_21143: 4110 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4111 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4112 break; 4113 default: 4114 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4115 } 4116 4117 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4118 4119 /* 4120 * Set the OPMODE bits for this media and write OPMODE. 4121 * This will resume the transmit and receive processes. 4122 */ 4123 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4124 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4125 4126 return (0); 4127 } 4128 4129 /* 4130 * 21140 GPIO utility functions. 4131 */ 4132 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4133 4134 void 4135 tlp_21140_gpio_update_link(sc) 4136 struct tulip_softc *sc; 4137 { 4138 struct ifmedia_entry *ife; 4139 struct tulip_21x4x_media *tm; 4140 4141 ife = TULIP_CURRENT_MEDIA(sc); 4142 tm = ife->ifm_aux; 4143 4144 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4145 4146 if (tm->tm_actmask != 0) { 4147 sc->sc_flags |= TULIPF_LINK_VALID; 4148 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4149 tm->tm_actdata) 4150 sc->sc_flags |= TULIPF_LINK_UP; 4151 } 4152 } 4153 4154 void 4155 tlp_21140_gpio_get(sc, ifmr) 4156 struct tulip_softc *sc; 4157 struct ifmediareq *ifmr; 4158 { 4159 struct ifmedia_entry *ife; 4160 4161 ifmr->ifm_status = 0; 4162 4163 tlp_21140_gpio_update_link(sc); 4164 4165 ife = TULIP_CURRENT_MEDIA(sc); 4166 4167 if (sc->sc_flags & TULIPF_LINK_VALID) 4168 ifmr->ifm_status |= IFM_AVALID; 4169 if (sc->sc_flags & TULIPF_LINK_UP) 4170 ifmr->ifm_status |= IFM_ACTIVE; 4171 ifmr->ifm_active = ife->ifm_media; 4172 } 4173 4174 int 4175 tlp_21140_gpio_set(sc) 4176 struct tulip_softc *sc; 4177 { 4178 struct ifmedia_entry *ife; 4179 struct tulip_21x4x_media *tm; 4180 4181 ife = TULIP_CURRENT_MEDIA(sc); 4182 tm = ife->ifm_aux; 4183 4184 /* 4185 * Idle the chip. 4186 */ 4187 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4188 4189 /* 4190 * Set the GPIO pins for this media, to flip any 4191 * relays, etc. 4192 */ 4193 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4194 delay(10); 4195 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4196 4197 /* 4198 * Set the OPMODE bits for this media and write OPMODE. 4199 * This will resume the transmit and receive processes. 4200 */ 4201 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4202 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4203 4204 return (0); 4205 } 4206 4207 /* 4208 * 21040 and 21041 media switches. 4209 */ 4210 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4211 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4212 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4213 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4214 4215 const struct tulip_mediasw tlp_21040_mediasw = { 4216 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4217 }; 4218 4219 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4220 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4221 }; 4222 4223 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4224 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4225 }; 4226 4227 const struct tulip_mediasw tlp_21041_mediasw = { 4228 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4229 }; 4230 4231 4232 void 4233 tlp_21040_tmsw_init(sc) 4234 struct tulip_softc *sc; 4235 { 4236 static const u_int8_t media[] = { 4237 TULIP_ROM_MB_MEDIA_TP, 4238 TULIP_ROM_MB_MEDIA_TP_FDX, 4239 TULIP_ROM_MB_MEDIA_AUI, 4240 }; 4241 struct tulip_21x4x_media *tm; 4242 4243 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4244 tlp_mediastatus); 4245 4246 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4247 4248 /* 4249 * No SROM type for External SIA. 4250 */ 4251 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4252 tm->tm_name = "manual"; 4253 tm->tm_opmode = 0; 4254 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4255 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4256 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4257 ifmedia_add(&sc->sc_mii.mii_media, 4258 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4259 4260 /* 4261 * XXX Autosense not yet supported. 4262 */ 4263 4264 /* XXX This should be auto-sense. */ 4265 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4266 4267 tlp_print_media(sc); 4268 } 4269 4270 void 4271 tlp_21040_tp_tmsw_init(sc) 4272 struct tulip_softc *sc; 4273 { 4274 static const u_int8_t media[] = { 4275 TULIP_ROM_MB_MEDIA_TP, 4276 TULIP_ROM_MB_MEDIA_TP_FDX, 4277 }; 4278 4279 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4280 tlp_mediastatus); 4281 4282 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4283 4284 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4285 4286 tlp_print_media(sc); 4287 } 4288 4289 void 4290 tlp_21040_auibnc_tmsw_init(sc) 4291 struct tulip_softc *sc; 4292 { 4293 static const u_int8_t media[] = { 4294 TULIP_ROM_MB_MEDIA_AUI, 4295 }; 4296 4297 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4298 tlp_mediastatus); 4299 4300 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4301 4302 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4303 4304 tlp_print_media(sc); 4305 } 4306 4307 void 4308 tlp_21041_tmsw_init(sc) 4309 struct tulip_softc *sc; 4310 { 4311 static const u_int8_t media[] = { 4312 TULIP_ROM_MB_MEDIA_TP, 4313 TULIP_ROM_MB_MEDIA_TP_FDX, 4314 TULIP_ROM_MB_MEDIA_BNC, 4315 TULIP_ROM_MB_MEDIA_AUI, 4316 }; 4317 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4318 const struct tulip_srom_to_ifmedia *tsti; 4319 struct tulip_21x4x_media *tm; 4320 u_int16_t romdef; 4321 u_int8_t mb; 4322 4323 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4324 tlp_mediastatus); 4325 4326 if (tlp_isv_srom(sc->sc_srom) == 0) { 4327 not_isv_srom: 4328 /* 4329 * If we have a board without the standard 21041 SROM format, 4330 * we just assume all media are present and try and pick a 4331 * reasonable default. 4332 */ 4333 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4334 4335 /* 4336 * XXX Autosense not yet supported. 4337 */ 4338 4339 /* XXX This should be auto-sense. */ 4340 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4341 4342 tlp_print_media(sc); 4343 return; 4344 } 4345 4346 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4347 for (i = 0; i < devcnt; i++) { 4348 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4349 break; 4350 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4351 sc->sc_devno) 4352 break; 4353 } 4354 4355 if (i == devcnt) 4356 goto not_isv_srom; 4357 4358 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4359 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4360 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4361 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4362 4363 for (; m_cnt != 0; 4364 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4365 mb = sc->sc_srom[mb_offset]; 4366 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4367 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4368 case TULIP_ROM_MB_MEDIA_TP_FDX: 4369 case TULIP_ROM_MB_MEDIA_TP: 4370 case TULIP_ROM_MB_MEDIA_BNC: 4371 case TULIP_ROM_MB_MEDIA_AUI: 4372 tsti = tlp_srom_to_ifmedia(mb & 4373 TULIP_ROM_MB_MEDIA_CODE); 4374 4375 tlp_srom_media_info(sc, tsti, tm); 4376 4377 /* 4378 * Override our default SIA settings if the 4379 * SROM contains its own. 4380 */ 4381 if (mb & TULIP_ROM_MB_EXT) { 4382 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4383 mb_offset + TULIP_ROM_MB_CSR13); 4384 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4385 mb_offset + TULIP_ROM_MB_CSR14); 4386 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4387 mb_offset + TULIP_ROM_MB_CSR15); 4388 } 4389 4390 ifmedia_add(&sc->sc_mii.mii_media, 4391 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4392 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4393 break; 4394 4395 default: 4396 printf("%s: unknown media code 0x%02x\n", 4397 sc->sc_dev.dv_xname, 4398 mb & TULIP_ROM_MB_MEDIA_CODE); 4399 free(tm, M_DEVBUF); 4400 } 4401 } 4402 4403 /* 4404 * XXX Autosense not yet supported. 4405 */ 4406 4407 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4408 TULIP_ROM_IL_SELECT_CONN_TYPE); 4409 switch (romdef) { 4410 case SELECT_CONN_TYPE_TP: 4411 case SELECT_CONN_TYPE_TP_AUTONEG: 4412 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4413 defmedia = IFM_ETHER|IFM_10_T; 4414 break; 4415 4416 case SELECT_CONN_TYPE_TP_FDX: 4417 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4418 break; 4419 4420 case SELECT_CONN_TYPE_BNC: 4421 defmedia = IFM_ETHER|IFM_10_2; 4422 break; 4423 4424 case SELECT_CONN_TYPE_AUI: 4425 defmedia = IFM_ETHER|IFM_10_5; 4426 break; 4427 #if 0 /* XXX */ 4428 case SELECT_CONN_TYPE_ASENSE: 4429 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4430 defmedia = IFM_ETHER|IFM_AUTO; 4431 break; 4432 #endif 4433 default: 4434 defmedia = 0; 4435 } 4436 4437 if (defmedia == 0) { 4438 /* 4439 * XXX We should default to auto-sense. 4440 */ 4441 defmedia = IFM_ETHER|IFM_10_T; 4442 } 4443 4444 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4445 4446 tlp_print_media(sc); 4447 } 4448 4449 /* 4450 * DECchip 2114x ISV media switch. 4451 */ 4452 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4453 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4454 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4455 4456 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4457 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4458 }; 4459 4460 void tlp_2114x_nway_get __P((struct tulip_softc *, struct ifmediareq *)); 4461 int tlp_2114x_nway_set __P((struct tulip_softc *)); 4462 4463 void tlp_2114x_nway_statchg __P((struct device *)); 4464 int tlp_2114x_nway_service __P((struct tulip_softc *, int)); 4465 void tlp_2114x_nway_auto __P((struct tulip_softc *)); 4466 void tlp_2114x_nway_status __P((struct tulip_softc *)); 4467 4468 void 4469 tlp_2114x_isv_tmsw_init(sc) 4470 struct tulip_softc *sc; 4471 { 4472 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4473 struct ifmedia_entry *ife; 4474 struct mii_softc *phy; 4475 struct tulip_21x4x_media *tm; 4476 const struct tulip_srom_to_ifmedia *tsti; 4477 int i, devcnt, leaf_offset, m_cnt, type, length; 4478 int defmedia, miidef; 4479 u_int16_t word; 4480 u_int8_t *cp, *ncp; 4481 4482 defmedia = miidef = 0; 4483 4484 sc->sc_mii.mii_ifp = ifp; 4485 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4486 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4487 sc->sc_mii.mii_statchg = sc->sc_statchg; 4488 4489 /* 4490 * Ignore `instance'; we may get a mixture of SIA and MII 4491 * media, and `instance' is used to isolate or select the 4492 * PHY on the MII as appropriate. Note that duplicate media 4493 * are disallowed, so ignoring `instance' is safe. 4494 */ 4495 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4496 tlp_mediastatus); 4497 4498 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4499 for (i = 0; i < devcnt; i++) { 4500 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4501 break; 4502 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4503 sc->sc_devno) 4504 break; 4505 } 4506 4507 if (i == devcnt) { 4508 printf("%s: unable to locate info leaf in SROM\n", 4509 sc->sc_dev.dv_xname); 4510 return; 4511 } 4512 4513 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4514 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4515 4516 /* XXX SELECT CONN TYPE */ 4517 4518 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4519 4520 /* 4521 * On some chips, the first thing in the Info Leaf is the 4522 * GPIO pin direction data. 4523 */ 4524 switch (sc->sc_chip) { 4525 case TULIP_CHIP_21140: 4526 case TULIP_CHIP_21140A: 4527 case TULIP_CHIP_MX98713: 4528 case TULIP_CHIP_AX88140: 4529 case TULIP_CHIP_AX88141: 4530 sc->sc_gp_dir = *cp++; 4531 break; 4532 4533 default: 4534 /* Nothing. */ 4535 break; 4536 } 4537 4538 /* Get the media count. */ 4539 m_cnt = *cp++; 4540 4541 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4542 /* 4543 * Determine the type and length of this media block. 4544 * The 21143 is spec'd to always use extended format blocks, 4545 * but some cards don't set the bit to indicate this. 4546 * Hopefully there are no cards which really don't use 4547 * extended format blocks. 4548 */ 4549 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4550 length = 4; 4551 type = TULIP_ROM_MB_21140_GPR; 4552 } else { 4553 length = (*cp++ & 0x7f) - 1; 4554 type = *cp++ & 0x3f; 4555 } 4556 4557 /* Compute the start of the next block. */ 4558 ncp = cp + length; 4559 4560 /* Now, parse the block. */ 4561 switch (type) { 4562 case TULIP_ROM_MB_21140_GPR: 4563 tlp_get_minst(sc); 4564 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4565 4566 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4567 4568 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4569 tm->tm_get = tlp_21140_gpio_get; 4570 tm->tm_set = tlp_21140_gpio_set; 4571 4572 /* First is the media type code. */ 4573 tsti = tlp_srom_to_ifmedia(cp[0] & 4574 TULIP_ROM_MB_MEDIA_CODE); 4575 if (tsti == NULL) { 4576 /* Invalid media code. */ 4577 free(tm, M_DEVBUF); 4578 break; 4579 } 4580 4581 /* Get defaults. */ 4582 tlp_srom_media_info(sc, tsti, tm); 4583 4584 /* Next is any GPIO info for this media. */ 4585 tm->tm_gpdata = cp[1]; 4586 4587 /* 4588 * Next is a word containing OPMODE information 4589 * and info on how to detect if this media is 4590 * active. 4591 */ 4592 word = TULIP_ROM_GETW(cp, 2); 4593 tm->tm_opmode &= OPMODE_FD; 4594 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4595 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4596 tm->tm_actmask = 4597 TULIP_ROM_MB_BITPOS(word); 4598 tm->tm_actdata = 4599 (word & TULIP_ROM_MB_POLARITY) ? 4600 0 : tm->tm_actmask; 4601 } 4602 4603 ifmedia_add(&sc->sc_mii.mii_media, 4604 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4605 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4606 break; 4607 4608 case TULIP_ROM_MB_21140_MII: 4609 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4610 4611 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4612 4613 tm->tm_type = TULIP_ROM_MB_21140_MII; 4614 tm->tm_get = tlp_mii_getmedia; 4615 tm->tm_set = tlp_mii_setmedia; 4616 tm->tm_opmode = OPMODE_PS; 4617 4618 if (sc->sc_reset == NULL) 4619 sc->sc_reset = tlp_21140_reset; 4620 4621 /* First is the PHY number. */ 4622 tm->tm_phyno = *cp++; 4623 4624 /* Next is the MII select sequence length and offset. */ 4625 tm->tm_gp_length = *cp++; 4626 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4627 cp += tm->tm_gp_length; 4628 4629 /* Next is the MII reset sequence length and offset. */ 4630 tm->tm_reset_length = *cp++; 4631 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4632 cp += tm->tm_reset_length; 4633 4634 /* 4635 * The following items are left in the media block 4636 * that we don't particularly care about: 4637 * 4638 * capabilities W 4639 * advertisement W 4640 * full duplex W 4641 * tx threshold W 4642 * 4643 * These appear to be bits in the PHY registers, 4644 * which our MII code handles on its own. 4645 */ 4646 4647 /* 4648 * Before we probe the MII bus, we need to reset 4649 * it and issue the selection sequence. 4650 */ 4651 4652 /* Set the direction of the pins... */ 4653 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4654 4655 for (i = 0; i < tm->tm_reset_length; i++) { 4656 delay(10); 4657 TULIP_WRITE(sc, CSR_GPP, 4658 sc->sc_srom[tm->tm_reset_offset + i]); 4659 } 4660 4661 for (i = 0; i < tm->tm_gp_length; i++) { 4662 delay(10); 4663 TULIP_WRITE(sc, CSR_GPP, 4664 sc->sc_srom[tm->tm_gp_offset + i]); 4665 } 4666 4667 /* If there were no sequences, just lower the pins. */ 4668 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4669 delay(10); 4670 TULIP_WRITE(sc, CSR_GPP, 0); 4671 } 4672 4673 /* 4674 * Now, probe the MII for the PHY. Note, we know 4675 * the location of the PHY on the bus, but we don't 4676 * particularly care; the MII code just likes to 4677 * search the whole thing anyhow. 4678 */ 4679 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4680 MII_PHY_ANY, tm->tm_phyno, 0); 4681 4682 /* 4683 * Now, search for the PHY we hopefully just 4684 * configured. If it's not configured into the 4685 * kernel, we lose. The PHY's default media always 4686 * takes priority. 4687 */ 4688 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4689 phy != NULL; 4690 phy = LIST_NEXT(phy, mii_list)) 4691 if (phy->mii_offset == tm->tm_phyno) 4692 break; 4693 if (phy == NULL) { 4694 printf("%s: unable to configure MII\n", 4695 sc->sc_dev.dv_xname); 4696 break; 4697 } 4698 4699 sc->sc_flags |= TULIPF_HAS_MII; 4700 sc->sc_tick = tlp_mii_tick; 4701 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4702 phy->mii_inst); 4703 4704 /* 4705 * Okay, now that we've found the PHY and the MII 4706 * layer has added all of the media associated 4707 * with that PHY, we need to traverse the media 4708 * list, and add our `tm' to each entry's `aux' 4709 * pointer. 4710 * 4711 * We do this by looking for media with our 4712 * PHY's `instance'. 4713 */ 4714 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4715 ife != NULL; 4716 ife = TAILQ_NEXT(ife, ifm_list)) { 4717 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4718 continue; 4719 ife->ifm_aux = tm; 4720 } 4721 break; 4722 4723 case TULIP_ROM_MB_21142_SIA: 4724 tlp_get_minst(sc); 4725 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4726 4727 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4728 4729 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4730 tm->tm_get = tlp_sia_get; 4731 tm->tm_set = tlp_sia_set; 4732 4733 /* First is the media type code. */ 4734 tsti = tlp_srom_to_ifmedia(cp[0] & 4735 TULIP_ROM_MB_MEDIA_CODE); 4736 if (tsti == NULL) { 4737 /* Invalid media code. */ 4738 free(tm, M_DEVBUF); 4739 break; 4740 } 4741 4742 /* Get defaults. */ 4743 tlp_srom_media_info(sc, tsti, tm); 4744 4745 /* 4746 * Override our default SIA settings if the 4747 * SROM contains its own. 4748 */ 4749 if (cp[0] & 0x40) { 4750 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4751 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4752 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4753 cp += 7; 4754 } else 4755 cp++; 4756 4757 /* Next is GPIO control/data. */ 4758 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4759 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4760 4761 ifmedia_add(&sc->sc_mii.mii_media, 4762 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4763 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4764 break; 4765 4766 case TULIP_ROM_MB_21142_MII: 4767 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4768 4769 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4770 4771 tm->tm_type = TULIP_ROM_MB_21142_MII; 4772 tm->tm_get = tlp_mii_getmedia; 4773 tm->tm_set = tlp_mii_setmedia; 4774 tm->tm_opmode = OPMODE_PS; 4775 4776 if (sc->sc_reset == NULL) 4777 sc->sc_reset = tlp_21142_reset; 4778 4779 /* First is the PHY number. */ 4780 tm->tm_phyno = *cp++; 4781 4782 /* Next is the MII select sequence length and offset. */ 4783 tm->tm_gp_length = *cp++; 4784 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4785 cp += tm->tm_gp_length * 2; 4786 4787 /* Next is the MII reset sequence length and offset. */ 4788 tm->tm_reset_length = *cp++; 4789 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4790 cp += tm->tm_reset_length * 2; 4791 4792 /* 4793 * The following items are left in the media block 4794 * that we don't particularly care about: 4795 * 4796 * capabilities W 4797 * advertisement W 4798 * full duplex W 4799 * tx threshold W 4800 * MII interrupt W 4801 * 4802 * These appear to be bits in the PHY registers, 4803 * which our MII code handles on its own. 4804 */ 4805 4806 /* 4807 * Before we probe the MII bus, we need to reset 4808 * it and issue the selection sequence. 4809 */ 4810 4811 cp = &sc->sc_srom[tm->tm_reset_offset]; 4812 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4813 delay(10); 4814 TULIP_WRITE(sc, CSR_SIAGEN, 4815 TULIP_ROM_GETW(cp, 0) << 16); 4816 } 4817 4818 cp = &sc->sc_srom[tm->tm_gp_offset]; 4819 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4820 delay(10); 4821 TULIP_WRITE(sc, CSR_SIAGEN, 4822 TULIP_ROM_GETW(cp, 0) << 16); 4823 } 4824 4825 /* If there were no sequences, just lower the pins. */ 4826 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4827 delay(10); 4828 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4829 } 4830 4831 /* 4832 * Now, probe the MII for the PHY. Note, we know 4833 * the location of the PHY on the bus, but we don't 4834 * particularly care; the MII code just likes to 4835 * search the whole thing anyhow. 4836 */ 4837 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4838 MII_PHY_ANY, tm->tm_phyno, 0); 4839 4840 /* 4841 * Now, search for the PHY we hopefully just 4842 * configured. If it's not configured into the 4843 * kernel, we lose. The PHY's default media always 4844 * takes priority. 4845 */ 4846 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4847 phy != NULL; 4848 phy = LIST_NEXT(phy, mii_list)) 4849 if (phy->mii_offset == tm->tm_phyno) 4850 break; 4851 if (phy == NULL) { 4852 printf("%s: unable to configure MII\n", 4853 sc->sc_dev.dv_xname); 4854 break; 4855 } 4856 4857 sc->sc_flags |= TULIPF_HAS_MII; 4858 sc->sc_tick = tlp_mii_tick; 4859 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4860 phy->mii_inst); 4861 4862 /* 4863 * Okay, now that we've found the PHY and the MII 4864 * layer has added all of the media associated 4865 * with that PHY, we need to traverse the media 4866 * list, and add our `tm' to each entry's `aux' 4867 * pointer. 4868 * 4869 * We do this by looking for media with our 4870 * PHY's `instance'. 4871 */ 4872 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4873 ife != NULL; 4874 ife = TAILQ_NEXT(ife, ifm_list)) { 4875 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4876 continue; 4877 ife->ifm_aux = tm; 4878 } 4879 break; 4880 4881 case TULIP_ROM_MB_21143_SYM: 4882 tlp_get_minst(sc); 4883 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4884 4885 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4886 4887 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4888 tm->tm_get = tlp_sia_get; 4889 tm->tm_set = tlp_sia_set; 4890 4891 /* First is the media type code. */ 4892 tsti = tlp_srom_to_ifmedia(cp[0] & 4893 TULIP_ROM_MB_MEDIA_CODE); 4894 if (tsti == NULL) { 4895 /* Invalid media code. */ 4896 free(tm, M_DEVBUF); 4897 break; 4898 } 4899 4900 /* Get defaults. */ 4901 tlp_srom_media_info(sc, tsti, tm); 4902 4903 /* Next is GPIO control/data. */ 4904 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 4905 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 4906 4907 /* 4908 * Next is a word containing OPMODE information 4909 * and info on how to detect if this media is 4910 * active. 4911 */ 4912 word = TULIP_ROM_GETW(cp, 5); 4913 tm->tm_opmode &= OPMODE_FD; 4914 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4915 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4916 tm->tm_actmask = 4917 TULIP_ROM_MB_BITPOS(word); 4918 tm->tm_actdata = 4919 (word & TULIP_ROM_MB_POLARITY) ? 4920 0 : tm->tm_actmask; 4921 } 4922 4923 ifmedia_add(&sc->sc_mii.mii_media, 4924 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4925 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4926 break; 4927 4928 case TULIP_ROM_MB_21143_RESET: 4929 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4930 break; 4931 4932 default: 4933 printf("%s: unknown ISV media block type 0x%02x\n", 4934 sc->sc_dev.dv_xname, type); 4935 } 4936 } 4937 4938 /* 4939 * Deal with the case where no media is configured. 4940 */ 4941 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4942 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4943 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4944 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4945 return; 4946 } 4947 4948 /* 4949 * Pick the default media. 4950 */ 4951 if (miidef != 0) 4952 defmedia = miidef; 4953 else { 4954 switch (sc->sc_chip) { 4955 case TULIP_CHIP_21140: 4956 case TULIP_CHIP_21140A: 4957 /* XXX should come from SROM */ 4958 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4959 break; 4960 4961 case TULIP_CHIP_21142: 4962 case TULIP_CHIP_21143: 4963 case TULIP_CHIP_MX98713A: 4964 case TULIP_CHIP_MX98715: 4965 case TULIP_CHIP_MX98715A: 4966 case TULIP_CHIP_MX98715AEC_X: 4967 case TULIP_CHIP_MX98725: 4968 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4969 tm->tm_name = "auto"; 4970 tm->tm_get = tlp_2114x_nway_get; 4971 tm->tm_set = tlp_2114x_nway_set; 4972 4973 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 4974 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 4975 4976 sc->sc_statchg = tlp_2114x_nway_statchg; 4977 sc->sc_tick = tlp_2114x_nway_tick; 4978 break; 4979 4980 default: 4981 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4982 break; 4983 } 4984 } 4985 4986 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4987 4988 /* 4989 * Display any non-MII media we've located. 4990 */ 4991 if (sc->sc_media_seen & 4992 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4993 tlp_print_media(sc); 4994 4995 tlp_sia_fixup(sc); 4996 } 4997 4998 void 4999 tlp_2114x_nway_get(sc, ifmr) 5000 struct tulip_softc *sc; 5001 struct ifmediareq *ifmr; 5002 { 5003 5004 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5005 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5006 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5007 } 5008 5009 int 5010 tlp_2114x_nway_set(sc) 5011 struct tulip_softc *sc; 5012 { 5013 5014 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5015 } 5016 5017 void 5018 tlp_2114x_nway_statchg(self) 5019 struct device *self; 5020 { 5021 struct tulip_softc *sc = (struct tulip_softc *)self; 5022 struct mii_data *mii = &sc->sc_mii; 5023 5024 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5025 return; 5026 5027 /* Idle the transmit and receive processes. */ 5028 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5029 5030 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5031 OPMODE_SCR|OPMODE_HBD); 5032 5033 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T) 5034 sc->sc_opmode |= OPMODE_TTM; 5035 else 5036 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5037 5038 if (mii->mii_media_active & IFM_FDX) 5039 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5040 5041 /* 5042 * Write new OPMODE bits. This also restarts the transmit 5043 * and receive processes. 5044 */ 5045 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5046 } 5047 5048 void 5049 tlp_2114x_nway_tick(arg) 5050 void *arg; 5051 { 5052 struct tulip_softc *sc = arg; 5053 struct mii_data *mii = &sc->sc_mii; 5054 int s, ticks; 5055 5056 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5057 return; 5058 5059 s = splnet(); 5060 tlp_2114x_nway_service(sc, MII_TICK); 5061 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5062 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5063 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5064 sc->sc_flags |= TULIPF_LINK_UP; 5065 tlp_start(&sc->sc_ethercom.ec_if); 5066 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5067 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5068 sc->sc_flags &= ~TULIPF_LINK_UP; 5069 } 5070 splx(s); 5071 5072 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5073 ticks = hz >> 3; 5074 else 5075 ticks = hz; 5076 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5077 } 5078 5079 /* 5080 * Support for the 2114X internal NWay block. This is constructed 5081 * somewhat like a PHY driver for simplicity. 5082 */ 5083 5084 int 5085 tlp_2114x_nway_service(sc, cmd) 5086 struct tulip_softc *sc; 5087 int cmd; 5088 { 5089 struct mii_data *mii = &sc->sc_mii; 5090 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5091 5092 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5093 return (0); 5094 5095 switch (cmd) { 5096 case MII_POLLSTAT: 5097 /* Nothing special to do here. */ 5098 break; 5099 5100 case MII_MEDIACHG: 5101 switch (IFM_SUBTYPE(ife->ifm_media)) { 5102 case IFM_AUTO: 5103 goto restart; 5104 default: 5105 /* Manual setting doesn't go through here. */ 5106 printf("tlp_2114x_nway_service: oops!\n"); 5107 return (EINVAL); 5108 } 5109 break; 5110 5111 case MII_TICK: 5112 /* 5113 * Only used for autonegotiation. 5114 */ 5115 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5116 break; 5117 5118 /* 5119 * Check to see if we have link. If we do, we don't 5120 * need to restart the autonegotiation process. 5121 */ 5122 #if 0 5123 if (mii->mii_media_status & IFM_ACTIVE) 5124 #else 5125 if (sc->sc_flags & TULIPF_LINK_UP) 5126 #endif 5127 break; 5128 5129 /* 5130 * Only retry autonegotiation every 5 seconds. 5131 */ 5132 if (++sc->sc_nway_ticks != (5 << 3)) 5133 break; 5134 5135 restart: 5136 sc->sc_nway_ticks = 0; 5137 ife->ifm_data = IFM_NONE; 5138 tlp_2114x_nway_auto(sc); 5139 break; 5140 } 5141 5142 /* Update the media status. */ 5143 tlp_2114x_nway_status(sc); 5144 5145 /* 5146 * Callback if something changed. Manually configuration goes through 5147 * tlp_sia_set() anyway, so ignore that here. 5148 */ 5149 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5150 ife->ifm_data != mii->mii_media_active) { 5151 (*sc->sc_statchg)(&sc->sc_dev); 5152 ife->ifm_data = mii->mii_media_active; 5153 } 5154 return (0); 5155 } 5156 5157 void 5158 tlp_2114x_nway_auto(sc) 5159 struct tulip_softc *sc; 5160 { 5161 uint32_t siastat; 5162 5163 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5164 5165 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR); 5166 sc->sc_opmode |= OPMODE_TTM|OPMODE_FD|OPMODE_HBD; 5167 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5168 5169 TULIP_WRITE(sc, CSR_SIACONN, 0); 5170 delay(1000); 5171 TULIP_WRITE(sc, CSR_SIATXRX, 0x3ffff); 5172 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5173 5174 siastat = TULIP_READ(sc, CSR_SIASTAT); 5175 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA|SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5176 siastat |= SIASTAT_ANS_TXDIS; 5177 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5178 } 5179 5180 void 5181 tlp_2114x_nway_status(sc) 5182 struct tulip_softc *sc; 5183 { 5184 struct mii_data *mii = &sc->sc_mii; 5185 uint32_t siatxrx, siastat, anlpar; 5186 5187 mii->mii_media_status = IFM_AVALID; 5188 mii->mii_media_active = IFM_ETHER; 5189 5190 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5191 return; 5192 5193 siastat = TULIP_READ(sc, CSR_SIASTAT); 5194 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5195 5196 if (siatxrx & SIATXRX_ANE) { 5197 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5198 /* Erg, still trying, I guess... */ 5199 mii->mii_media_active |= IFM_NONE; 5200 return; 5201 } 5202 5203 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5204 mii->mii_media_status |= IFM_ACTIVE; 5205 5206 if (siastat & SIASTAT_LPN) { 5207 anlpar = SIASTAT_GETLPC(siastat); 5208 if (anlpar & ANLPAR_T4 /* && 5209 sc->mii_capabilities & BMSR_100TXHDX */) 5210 mii->mii_media_active |= IFM_100_T4; 5211 else if (anlpar & ANLPAR_TX_FD /* && 5212 sc->mii_capabilities & BMSR_100TXFDX */) 5213 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5214 else if (anlpar & ANLPAR_TX /* && 5215 sc->mii_capabilities & BMSR_100TXHDX */) 5216 mii->mii_media_active |= IFM_100_TX; 5217 else if (anlpar & ANLPAR_10_FD) 5218 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5219 else if (anlpar & ANLPAR_10) 5220 mii->mii_media_active |= IFM_10_T; 5221 else 5222 mii->mii_media_active |= IFM_NONE; 5223 } else { 5224 /* 5225 * If the other side doesn't support NWAY, then the 5226 * best we can do is determine if we have a 10Mbps or 5227 * 100Mbps link. There's no way to know if the link 5228 * is full or half duplex, so we default to half duplex 5229 * and hope that the user is clever enough to manually 5230 * change the media settings if we're wrong. 5231 */ 5232 if ((siastat & SIASTAT_LS100) == 0) 5233 mii->mii_media_active |= IFM_100_TX; 5234 else if ((siastat & SIASTAT_LS10) == 0) 5235 mii->mii_media_active |= IFM_10_T; 5236 else 5237 mii->mii_media_active |= IFM_NONE; 5238 } 5239 } else { 5240 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5241 mii->mii_media_status |= IFM_ACTIVE; 5242 5243 if (sc->sc_opmode & OPMODE_TTM) 5244 mii->mii_media_active |= IFM_10_T; 5245 else 5246 mii->mii_media_active |= IFM_100_TX; 5247 if (sc->sc_opmode & OPMODE_FD) 5248 mii->mii_media_active |= IFM_FDX; 5249 } 5250 } 5251 5252 void 5253 tlp_2114x_isv_tmsw_get(sc, ifmr) 5254 struct tulip_softc *sc; 5255 struct ifmediareq *ifmr; 5256 { 5257 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5258 struct tulip_21x4x_media *tm = ife->ifm_aux; 5259 5260 (*tm->tm_get)(sc, ifmr); 5261 } 5262 5263 int 5264 tlp_2114x_isv_tmsw_set(sc) 5265 struct tulip_softc *sc; 5266 { 5267 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5268 struct tulip_21x4x_media *tm = ife->ifm_aux; 5269 5270 /* 5271 * Check to see if we need to reset the chip, and do it. The 5272 * reset path will get the OPMODE register right the next 5273 * time through. 5274 */ 5275 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5276 return (tlp_init(&sc->sc_ethercom.ec_if)); 5277 5278 return ((*tm->tm_set)(sc)); 5279 } 5280 5281 /* 5282 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5283 */ 5284 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5285 5286 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5287 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5288 }; 5289 5290 void 5291 tlp_sio_mii_tmsw_init(sc) 5292 struct tulip_softc *sc; 5293 { 5294 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5295 5296 /* 5297 * We don't attach any media info structures to the ifmedia 5298 * entries, so if we're using a pre-init function that needs 5299 * that info, override it to one that doesn't. 5300 */ 5301 if (sc->sc_preinit == tlp_2114x_preinit) 5302 sc->sc_preinit = tlp_2114x_mii_preinit; 5303 5304 sc->sc_mii.mii_ifp = ifp; 5305 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5306 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5307 sc->sc_mii.mii_statchg = sc->sc_statchg; 5308 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5309 tlp_mediastatus); 5310 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5311 MII_OFFSET_ANY, 0); 5312 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5313 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5314 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5315 } else { 5316 sc->sc_flags |= TULIPF_HAS_MII; 5317 sc->sc_tick = tlp_mii_tick; 5318 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5319 } 5320 } 5321 5322 /* 5323 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5324 */ 5325 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5326 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5327 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5328 5329 const struct tulip_mediasw tlp_pnic_mediasw = { 5330 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5331 }; 5332 5333 void tlp_pnic_nway_statchg __P((struct device *)); 5334 void tlp_pnic_nway_tick __P((void *)); 5335 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5336 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5337 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5338 void tlp_pnic_nway_auto_timeout __P((void *)); 5339 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5340 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5341 5342 void 5343 tlp_pnic_tmsw_init(sc) 5344 struct tulip_softc *sc; 5345 { 5346 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5347 const char *sep = ""; 5348 5349 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5350 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5351 5352 sc->sc_mii.mii_ifp = ifp; 5353 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5354 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5355 sc->sc_mii.mii_statchg = sc->sc_statchg; 5356 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5357 tlp_mediastatus); 5358 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5359 MII_OFFSET_ANY, 0); 5360 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5361 /* XXX What about AUI/BNC support? */ 5362 printf("%s: ", sc->sc_dev.dv_xname); 5363 5364 tlp_pnic_nway_reset(sc); 5365 5366 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5367 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5368 PRINT("10baseT"); 5369 5370 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5371 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5372 PRINT("10baseT-FDX"); 5373 5374 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5375 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5376 PRINT("100baseTX"); 5377 5378 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5379 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5380 PNIC_NWAY_CAP100TXFDX); 5381 PRINT("100baseTX-FDX"); 5382 5383 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5384 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5385 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5386 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5387 PRINT("auto"); 5388 5389 printf("\n"); 5390 5391 sc->sc_statchg = tlp_pnic_nway_statchg; 5392 sc->sc_tick = tlp_pnic_nway_tick; 5393 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5394 } else { 5395 sc->sc_flags |= TULIPF_HAS_MII; 5396 sc->sc_tick = tlp_mii_tick; 5397 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5398 } 5399 5400 #undef ADD 5401 #undef PRINT 5402 } 5403 5404 void 5405 tlp_pnic_tmsw_get(sc, ifmr) 5406 struct tulip_softc *sc; 5407 struct ifmediareq *ifmr; 5408 { 5409 struct mii_data *mii = &sc->sc_mii; 5410 5411 if (sc->sc_flags & TULIPF_HAS_MII) 5412 tlp_mii_getmedia(sc, ifmr); 5413 else { 5414 mii->mii_media_status = 0; 5415 mii->mii_media_active = IFM_NONE; 5416 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5417 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5418 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5419 } 5420 } 5421 5422 int 5423 tlp_pnic_tmsw_set(sc) 5424 struct tulip_softc *sc; 5425 { 5426 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5427 struct mii_data *mii = &sc->sc_mii; 5428 5429 if (sc->sc_flags & TULIPF_HAS_MII) { 5430 /* 5431 * Make sure the built-in Tx jabber timer is disabled. 5432 */ 5433 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5434 5435 return (tlp_mii_setmedia(sc)); 5436 } 5437 5438 if (ifp->if_flags & IFF_UP) { 5439 mii->mii_media_status = 0; 5440 mii->mii_media_active = IFM_NONE; 5441 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5442 } 5443 5444 return (0); 5445 } 5446 5447 void 5448 tlp_pnic_nway_statchg(self) 5449 struct device *self; 5450 { 5451 struct tulip_softc *sc = (struct tulip_softc *)self; 5452 5453 /* Idle the transmit and receive processes. */ 5454 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5455 5456 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5457 OPMODE_SCR|OPMODE_HBD); 5458 5459 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5460 sc->sc_opmode |= OPMODE_TTM; 5461 TULIP_WRITE(sc, CSR_GPP, 5462 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5463 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5464 } else { 5465 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5466 TULIP_WRITE(sc, CSR_GPP, 5467 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5468 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5469 } 5470 5471 if (sc->sc_mii.mii_media_active & IFM_FDX) 5472 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5473 5474 /* 5475 * Write new OPMODE bits. This also restarts the transmit 5476 * and receive processes. 5477 */ 5478 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5479 } 5480 5481 void 5482 tlp_pnic_nway_tick(arg) 5483 void *arg; 5484 { 5485 struct tulip_softc *sc = arg; 5486 int s; 5487 5488 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5489 return; 5490 5491 s = splnet(); 5492 tlp_pnic_nway_service(sc, MII_TICK); 5493 splx(s); 5494 5495 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5496 } 5497 5498 /* 5499 * Support for the Lite-On PNIC internal NWay block. This is constructed 5500 * somewhat like a PHY driver for simplicity. 5501 */ 5502 5503 int 5504 tlp_pnic_nway_service(sc, cmd) 5505 struct tulip_softc *sc; 5506 int cmd; 5507 { 5508 struct mii_data *mii = &sc->sc_mii; 5509 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5510 5511 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5512 return (0); 5513 5514 switch (cmd) { 5515 case MII_POLLSTAT: 5516 /* Nothing special to do here. */ 5517 break; 5518 5519 case MII_MEDIACHG: 5520 switch (IFM_SUBTYPE(ife->ifm_media)) { 5521 case IFM_AUTO: 5522 (void) tlp_pnic_nway_auto(sc, 1); 5523 break; 5524 case IFM_100_T4: 5525 /* 5526 * XXX Not supported as a manual setting right now. 5527 */ 5528 return (EINVAL); 5529 default: 5530 /* 5531 * NWAY register data is stored in the ifmedia entry. 5532 */ 5533 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5534 } 5535 break; 5536 5537 case MII_TICK: 5538 /* 5539 * Only used for autonegotiation. 5540 */ 5541 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5542 return (0); 5543 5544 /* 5545 * Check to see if we have link. If we do, we don't 5546 * need to restart the autonegotiation process. 5547 */ 5548 if (sc->sc_flags & TULIPF_LINK_UP) 5549 return (0); 5550 5551 /* 5552 * Only retry autonegotiation every 5 seconds. 5553 */ 5554 if (++sc->sc_nway_ticks != 5) 5555 return (0); 5556 5557 sc->sc_nway_ticks = 0; 5558 tlp_pnic_nway_reset(sc); 5559 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5560 return (0); 5561 break; 5562 } 5563 5564 /* Update the media status. */ 5565 tlp_pnic_nway_status(sc); 5566 5567 /* Callback if something changed. */ 5568 if ((sc->sc_nway_active == NULL || 5569 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5570 cmd == MII_MEDIACHG) { 5571 (*sc->sc_statchg)(&sc->sc_dev); 5572 tlp_nway_activate(sc, mii->mii_media_active); 5573 } 5574 return (0); 5575 } 5576 5577 void 5578 tlp_pnic_nway_reset(sc) 5579 struct tulip_softc *sc; 5580 { 5581 5582 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5583 delay(100); 5584 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5585 } 5586 5587 int 5588 tlp_pnic_nway_auto(sc, waitfor) 5589 struct tulip_softc *sc; 5590 int waitfor; 5591 { 5592 struct mii_data *mii = &sc->sc_mii; 5593 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5594 u_int32_t reg; 5595 int i; 5596 5597 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5598 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5599 5600 if (waitfor) { 5601 /* Wait 500ms for it to complete. */ 5602 for (i = 0; i < 500; i++) { 5603 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5604 if (reg & PNIC_NWAY_LPAR_MASK) { 5605 tlp_pnic_nway_acomp(sc); 5606 return (0); 5607 } 5608 delay(1000); 5609 } 5610 #if 0 5611 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5612 printf("%s: autonegotiation failed to complete\n", 5613 sc->sc_dev.dv_xname); 5614 #endif 5615 5616 /* 5617 * Don't need to worry about clearing DOINGAUTO. 5618 * If that's set, a timeout is pending, and it will 5619 * clear the flag. 5620 */ 5621 return (EIO); 5622 } 5623 5624 /* 5625 * Just let it finish asynchronously. This is for the benefit of 5626 * the tick handler driving autonegotiation. Don't want 500ms 5627 * delays all the time while the system is running! 5628 */ 5629 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5630 sc->sc_flags |= TULIPF_DOINGAUTO; 5631 callout_reset(&sc->sc_nway_callout, hz >> 1, 5632 tlp_pnic_nway_auto_timeout, sc); 5633 } 5634 return (EJUSTRETURN); 5635 } 5636 5637 void 5638 tlp_pnic_nway_auto_timeout(arg) 5639 void *arg; 5640 { 5641 struct tulip_softc *sc = arg; 5642 u_int32_t reg; 5643 int s; 5644 5645 s = splnet(); 5646 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5647 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5648 #if 0 5649 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5650 printf("%s: autonegotiation failed to complete\n", 5651 sc->sc_dev.dv_xname); 5652 #endif 5653 5654 tlp_pnic_nway_acomp(sc); 5655 5656 /* Update the media status. */ 5657 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5658 splx(s); 5659 } 5660 5661 void 5662 tlp_pnic_nway_status(sc) 5663 struct tulip_softc *sc; 5664 { 5665 struct mii_data *mii = &sc->sc_mii; 5666 u_int32_t reg; 5667 5668 mii->mii_media_status = IFM_AVALID; 5669 mii->mii_media_active = IFM_ETHER; 5670 5671 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5672 5673 if (sc->sc_flags & TULIPF_LINK_UP) 5674 mii->mii_media_status |= IFM_ACTIVE; 5675 5676 if (reg & PNIC_NWAY_NW) { 5677 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5678 /* Erg, still trying, I guess... */ 5679 mii->mii_media_active |= IFM_NONE; 5680 return; 5681 } 5682 5683 #if 0 5684 if (reg & PNIC_NWAY_LPAR100T4) 5685 mii->mii_media_active |= IFM_100_T4; 5686 else 5687 #endif 5688 if (reg & PNIC_NWAY_LPAR100TXFDX) 5689 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5690 else if (reg & PNIC_NWAY_LPAR100TX) 5691 mii->mii_media_active |= IFM_100_TX; 5692 else if (reg & PNIC_NWAY_LPAR10TFDX) 5693 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5694 else if (reg & PNIC_NWAY_LPAR10T) 5695 mii->mii_media_active |= IFM_10_T; 5696 else 5697 mii->mii_media_active |= IFM_NONE; 5698 } else { 5699 if (reg & PNIC_NWAY_100) 5700 mii->mii_media_active |= IFM_100_TX; 5701 else 5702 mii->mii_media_active |= IFM_10_T; 5703 if (reg & PNIC_NWAY_FD) 5704 mii->mii_media_active |= IFM_FDX; 5705 } 5706 } 5707 5708 void 5709 tlp_pnic_nway_acomp(sc) 5710 struct tulip_softc *sc; 5711 { 5712 u_int32_t reg; 5713 5714 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5715 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5716 5717 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5718 reg |= PNIC_NWAY_100; 5719 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5720 reg |= PNIC_NWAY_FD; 5721 5722 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5723 } 5724 5725 /* 5726 * Macronix PMAC and Lite-On PNIC-II media switch: 5727 * 5728 * MX98713 and MX98713A 21140-like MII or GPIO media. 5729 * 5730 * MX98713A 21143-like MII or SIA/SYM media. 5731 * 5732 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5733 * 82C115, MX98715AEC-C, -E 5734 * 5735 * So, what we do here is fake MII-on-SIO or ISV media info, and 5736 * use the ISV media switch get/set functions to handle the rest. 5737 */ 5738 5739 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5740 5741 const struct tulip_mediasw tlp_pmac_mediasw = { 5742 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5743 }; 5744 5745 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5746 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5747 }; 5748 5749 void 5750 tlp_pmac_tmsw_init(sc) 5751 struct tulip_softc *sc; 5752 { 5753 static const u_int8_t media[] = { 5754 TULIP_ROM_MB_MEDIA_TP, 5755 TULIP_ROM_MB_MEDIA_TP_FDX, 5756 TULIP_ROM_MB_MEDIA_100TX, 5757 TULIP_ROM_MB_MEDIA_100TX_FDX, 5758 }; 5759 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5760 struct tulip_21x4x_media *tm; 5761 5762 sc->sc_mii.mii_ifp = ifp; 5763 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5764 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5765 sc->sc_mii.mii_statchg = sc->sc_statchg; 5766 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5767 tlp_mediastatus); 5768 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5769 sc->sc_chip == TULIP_CHIP_MX98713A) { 5770 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5771 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5772 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5773 sc->sc_flags |= TULIPF_HAS_MII; 5774 sc->sc_tick = tlp_mii_tick; 5775 sc->sc_preinit = tlp_2114x_mii_preinit; 5776 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5777 ifmedia_set(&sc->sc_mii.mii_media, 5778 IFM_ETHER|IFM_AUTO); 5779 return; 5780 } 5781 } 5782 5783 switch (sc->sc_chip) { 5784 case TULIP_CHIP_MX98713: 5785 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5786 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5787 5788 /* 5789 * XXX Should implement auto-sense for this someday, 5790 * XXX when we do the same for the 21140. 5791 */ 5792 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5793 break; 5794 5795 default: 5796 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5797 tlp_sia_get, tlp_sia_set, media, 2); 5798 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5799 tlp_sia_get, tlp_sia_set, media + 2, 2); 5800 5801 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5802 tm->tm_name = "auto"; 5803 tm->tm_get = tlp_2114x_nway_get; 5804 tm->tm_set = tlp_2114x_nway_set; 5805 ifmedia_add(&sc->sc_mii.mii_media, 5806 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5807 5808 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5809 sc->sc_statchg = tlp_2114x_nway_statchg; 5810 sc->sc_tick = tlp_2114x_nway_tick; 5811 break; 5812 } 5813 5814 tlp_print_media(sc); 5815 tlp_sia_fixup(sc); 5816 5817 /* Set the LED modes. */ 5818 tlp_pmac_reset(sc); 5819 5820 sc->sc_reset = tlp_pmac_reset; 5821 } 5822 5823 /* 5824 * ADMtek AL981 media switch. Only has internal PHY. 5825 */ 5826 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5827 5828 const struct tulip_mediasw tlp_al981_mediasw = { 5829 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5830 }; 5831 5832 void 5833 tlp_al981_tmsw_init(sc) 5834 struct tulip_softc *sc; 5835 { 5836 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5837 5838 sc->sc_mii.mii_ifp = ifp; 5839 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5840 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5841 sc->sc_mii.mii_statchg = sc->sc_statchg; 5842 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5843 tlp_mediastatus); 5844 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5845 MII_OFFSET_ANY, 0); 5846 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5847 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5848 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5849 } else { 5850 sc->sc_flags |= TULIPF_HAS_MII; 5851 sc->sc_tick = tlp_mii_tick; 5852 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5853 } 5854 } 5855 5856 /* 5857 * ADMtek AN983/985 media switch. Only has internal PHY, but 5858 * on an SIO-like interface. Unfortunately, we can't use the 5859 * standard SIO media switch, because the AN985 "ghosts" the 5860 * singly PHY at every address. 5861 */ 5862 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5863 5864 const struct tulip_mediasw tlp_an985_mediasw = { 5865 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5866 }; 5867 5868 void 5869 tlp_an985_tmsw_init(sc) 5870 struct tulip_softc *sc; 5871 { 5872 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5873 5874 sc->sc_mii.mii_ifp = ifp; 5875 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5876 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5877 sc->sc_mii.mii_statchg = sc->sc_statchg; 5878 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5879 tlp_mediastatus); 5880 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5881 MII_OFFSET_ANY, 0); 5882 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5883 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5884 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5885 } else { 5886 sc->sc_flags |= TULIPF_HAS_MII; 5887 sc->sc_tick = tlp_mii_tick; 5888 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5889 } 5890 } 5891 5892 /* 5893 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5894 */ 5895 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5896 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5897 struct ifmediareq *)); 5898 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5899 5900 const struct tulip_mediasw tlp_dm9102_mediasw = { 5901 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5902 tlp_dm9102_tmsw_setmedia 5903 }; 5904 5905 void 5906 tlp_dm9102_tmsw_init(sc) 5907 struct tulip_softc *sc; 5908 { 5909 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5910 u_int32_t opmode; 5911 5912 sc->sc_mii.mii_ifp = ifp; 5913 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5914 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5915 sc->sc_mii.mii_statchg = sc->sc_statchg; 5916 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5917 tlp_mediastatus); 5918 5919 /* PHY block already reset via tlp_reset(). */ 5920 5921 /* 5922 * Configure OPMODE properly for the internal MII interface. 5923 */ 5924 switch (sc->sc_chip) { 5925 case TULIP_CHIP_DM9102: 5926 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5927 break; 5928 5929 case TULIP_CHIP_DM9102A: 5930 opmode = OPMODE_MBO|OPMODE_HBD; 5931 break; 5932 5933 default: 5934 /* Nothing. */ 5935 break; 5936 } 5937 5938 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5939 5940 /* Now, probe the internal MII for the internal PHY. */ 5941 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5942 MII_OFFSET_ANY, 0); 5943 5944 /* 5945 * XXX Figure out what to do about the HomePNA portion 5946 * XXX of the DM9102A. 5947 */ 5948 5949 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5950 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5951 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5952 } else { 5953 sc->sc_flags |= TULIPF_HAS_MII; 5954 sc->sc_tick = tlp_mii_tick; 5955 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5956 } 5957 } 5958 5959 void 5960 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5961 struct tulip_softc *sc; 5962 struct ifmediareq *ifmr; 5963 { 5964 5965 /* XXX HomePNA on DM9102A. */ 5966 tlp_mii_getmedia(sc, ifmr); 5967 } 5968 5969 int 5970 tlp_dm9102_tmsw_setmedia(sc) 5971 struct tulip_softc *sc; 5972 { 5973 5974 /* XXX HomePNA on DM9102A. */ 5975 return (tlp_mii_setmedia(sc)); 5976 } 5977
Indexes created Mon Sep 22 05:09:51 GMT 2025