1 /* $NetBSD: tulip.c,v 1.113 2002/05/03 08:48:12 mycroft 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 1.113 2002/05/03 08:48:12 mycroft 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, 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_FIRST(&sc->sc_txdirtyq) != NULL); 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, 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_SUSPEND: 1966 case PWR_STANDBY: 1967 tlp_stop(ifp, 0); 1968 if (sc->sc_power != NULL) 1969 (*sc->sc_power)(sc, why); 1970 break; 1971 case PWR_RESUME: 1972 if (ifp->if_flags & IFF_UP) { 1973 if (sc->sc_power != NULL) 1974 (*sc->sc_power)(sc, why); 1975 tlp_init(ifp); 1976 } 1977 break; 1978 case PWR_SOFTSUSPEND: 1979 case PWR_SOFTSTANDBY: 1980 case PWR_SOFTRESUME: 1981 break; 1982 } 1983 splx(s); 1984 } 1985 1986 /* 1987 * tlp_rxdrain: 1988 * 1989 * Drain the receive queue. 1990 */ 1991 void 1992 tlp_rxdrain(sc) 1993 struct tulip_softc *sc; 1994 { 1995 struct tulip_rxsoft *rxs; 1996 int i; 1997 1998 for (i = 0; i < TULIP_NRXDESC; i++) { 1999 rxs = &sc->sc_rxsoft[i]; 2000 if (rxs->rxs_mbuf != NULL) { 2001 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2002 m_freem(rxs->rxs_mbuf); 2003 rxs->rxs_mbuf = NULL; 2004 } 2005 } 2006 } 2007 2008 /* 2009 * tlp_stop: [ ifnet interface function ] 2010 * 2011 * Stop transmission on the interface. 2012 */ 2013 void 2014 tlp_stop(ifp, disable) 2015 struct ifnet *ifp; 2016 int disable; 2017 { 2018 struct tulip_softc *sc = ifp->if_softc; 2019 struct tulip_txsoft *txs; 2020 2021 if (sc->sc_tick != NULL) { 2022 /* Stop the one second clock. */ 2023 callout_stop(&sc->sc_tick_callout); 2024 } 2025 2026 if (sc->sc_flags & TULIPF_HAS_MII) { 2027 /* Down the MII. */ 2028 mii_down(&sc->sc_mii); 2029 } 2030 2031 /* Disable interrupts. */ 2032 TULIP_WRITE(sc, CSR_INTEN, 0); 2033 2034 /* Stop the transmit and receive processes. */ 2035 sc->sc_opmode = 0; 2036 TULIP_WRITE(sc, CSR_OPMODE, 0); 2037 TULIP_WRITE(sc, CSR_RXLIST, 0); 2038 TULIP_WRITE(sc, CSR_TXLIST, 0); 2039 2040 /* 2041 * Release any queued transmit buffers. 2042 */ 2043 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2044 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2045 if (txs->txs_mbuf != NULL) { 2046 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2047 m_freem(txs->txs_mbuf); 2048 txs->txs_mbuf = NULL; 2049 } 2050 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2051 } 2052 2053 if (disable) { 2054 tlp_rxdrain(sc); 2055 tlp_disable(sc); 2056 } 2057 2058 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2059 2060 /* 2061 * Mark the interface down and cancel the watchdog timer. 2062 */ 2063 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2064 ifp->if_timer = 0; 2065 2066 /* 2067 * Reset the chip (needed on some flavors to actually disable it). 2068 */ 2069 tlp_reset(sc); 2070 } 2071 2072 #define SROM_EMIT(sc, x) \ 2073 do { \ 2074 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2075 delay(2); \ 2076 } while (0) 2077 2078 /* 2079 * tlp_srom_idle: 2080 * 2081 * Put the SROM in idle state. 2082 */ 2083 void 2084 tlp_srom_idle(sc) 2085 struct tulip_softc *sc; 2086 { 2087 u_int32_t miirom; 2088 int i; 2089 2090 miirom = MIIROM_SR; 2091 SROM_EMIT(sc, miirom); 2092 2093 miirom |= MIIROM_RD; 2094 SROM_EMIT(sc, miirom); 2095 2096 miirom |= MIIROM_SROMCS; 2097 SROM_EMIT(sc, miirom); 2098 2099 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2100 2101 /* Strobe the clock 32 times. */ 2102 for (i = 0; i < 32; i++) { 2103 SROM_EMIT(sc, miirom); 2104 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2105 } 2106 2107 SROM_EMIT(sc, miirom); 2108 2109 miirom &= ~MIIROM_SROMCS; 2110 SROM_EMIT(sc, miirom); 2111 2112 SROM_EMIT(sc, 0); 2113 } 2114 2115 /* 2116 * tlp_srom_size: 2117 * 2118 * Determine the number of address bits in the SROM. 2119 */ 2120 int 2121 tlp_srom_size(sc) 2122 struct tulip_softc *sc; 2123 { 2124 u_int32_t miirom; 2125 int x; 2126 2127 /* Select the SROM. */ 2128 miirom = MIIROM_SR; 2129 SROM_EMIT(sc, miirom); 2130 2131 miirom |= MIIROM_RD; 2132 SROM_EMIT(sc, miirom); 2133 2134 /* Send CHIP SELECT for one clock tick. */ 2135 miirom |= MIIROM_SROMCS; 2136 SROM_EMIT(sc, miirom); 2137 2138 /* Shift in the READ opcode. */ 2139 for (x = 3; x > 0; x--) { 2140 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2141 miirom |= MIIROM_SROMDI; 2142 else 2143 miirom &= ~MIIROM_SROMDI; 2144 SROM_EMIT(sc, miirom); 2145 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2146 SROM_EMIT(sc, miirom); 2147 } 2148 2149 /* Shift in address and look for dummy 0 bit. */ 2150 for (x = 1; x <= 12; x++) { 2151 miirom &= ~MIIROM_SROMDI; 2152 SROM_EMIT(sc, miirom); 2153 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2154 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2155 break; 2156 SROM_EMIT(sc, miirom); 2157 } 2158 2159 /* Clear CHIP SELECT. */ 2160 miirom &= ~MIIROM_SROMCS; 2161 SROM_EMIT(sc, miirom); 2162 2163 /* Deselect the SROM. */ 2164 SROM_EMIT(sc, 0); 2165 2166 if (x < 4 || x > 12) { 2167 printf("%s: broken MicroWire interface detected; " 2168 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2169 return (6); 2170 } else { 2171 if (tlp_srom_debug) 2172 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2173 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2174 return (x); 2175 } 2176 } 2177 2178 /* 2179 * tlp_read_srom: 2180 * 2181 * Read the Tulip SROM. 2182 */ 2183 int 2184 tlp_read_srom(sc) 2185 struct tulip_softc *sc; 2186 { 2187 int size; 2188 u_int32_t miirom; 2189 u_int16_t datain; 2190 int i, x; 2191 2192 tlp_srom_idle(sc); 2193 2194 sc->sc_srom_addrbits = tlp_srom_size(sc); 2195 if (sc->sc_srom_addrbits == 0) 2196 return (0); 2197 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2198 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2199 2200 /* Select the SROM. */ 2201 miirom = MIIROM_SR; 2202 SROM_EMIT(sc, miirom); 2203 2204 miirom |= MIIROM_RD; 2205 SROM_EMIT(sc, miirom); 2206 2207 for (i = 0; i < size; i += 2) { 2208 /* Send CHIP SELECT for one clock tick. */ 2209 miirom |= MIIROM_SROMCS; 2210 SROM_EMIT(sc, miirom); 2211 2212 /* Shift in the READ opcode. */ 2213 for (x = 3; x > 0; x--) { 2214 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2215 miirom |= MIIROM_SROMDI; 2216 else 2217 miirom &= ~MIIROM_SROMDI; 2218 SROM_EMIT(sc, miirom); 2219 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2220 SROM_EMIT(sc, miirom); 2221 } 2222 2223 /* Shift in address. */ 2224 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2225 if (i & (1 << x)) 2226 miirom |= MIIROM_SROMDI; 2227 else 2228 miirom &= ~MIIROM_SROMDI; 2229 SROM_EMIT(sc, miirom); 2230 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2231 SROM_EMIT(sc, miirom); 2232 } 2233 2234 /* Shift out data. */ 2235 miirom &= ~MIIROM_SROMDI; 2236 datain = 0; 2237 for (x = 16; x > 0; x--) { 2238 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2239 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2240 datain |= (1 << (x - 1)); 2241 SROM_EMIT(sc, miirom); 2242 } 2243 sc->sc_srom[i] = datain & 0xff; 2244 sc->sc_srom[i + 1] = datain >> 8; 2245 2246 /* Clear CHIP SELECT. */ 2247 miirom &= ~MIIROM_SROMCS; 2248 SROM_EMIT(sc, miirom); 2249 } 2250 2251 /* Deselect the SROM. */ 2252 SROM_EMIT(sc, 0); 2253 2254 /* ...and idle it. */ 2255 tlp_srom_idle(sc); 2256 2257 if (tlp_srom_debug) { 2258 printf("SROM CONTENTS:"); 2259 for (i = 0; i < size; i++) { 2260 if ((i % 8) == 0) 2261 printf("\n\t"); 2262 printf("0x%02x ", sc->sc_srom[i]); 2263 } 2264 printf("\n"); 2265 } 2266 2267 return (1); 2268 } 2269 2270 #undef SROM_EMIT 2271 2272 /* 2273 * tlp_add_rxbuf: 2274 * 2275 * Add a receive buffer to the indicated descriptor. 2276 */ 2277 int 2278 tlp_add_rxbuf(sc, idx) 2279 struct tulip_softc *sc; 2280 int idx; 2281 { 2282 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2283 struct mbuf *m; 2284 int error; 2285 2286 MGETHDR(m, M_DONTWAIT, MT_DATA); 2287 if (m == NULL) 2288 return (ENOBUFS); 2289 2290 MCLGET(m, M_DONTWAIT); 2291 if ((m->m_flags & M_EXT) == 0) { 2292 m_freem(m); 2293 return (ENOBUFS); 2294 } 2295 2296 if (rxs->rxs_mbuf != NULL) 2297 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2298 2299 rxs->rxs_mbuf = m; 2300 2301 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2302 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2303 BUS_DMA_READ|BUS_DMA_NOWAIT); 2304 if (error) { 2305 printf("%s: can't load rx DMA map %d, error = %d\n", 2306 sc->sc_dev.dv_xname, idx, error); 2307 panic("tlp_add_rxbuf"); /* XXX */ 2308 } 2309 2310 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2311 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2312 2313 TULIP_INIT_RXDESC(sc, idx); 2314 2315 return (0); 2316 } 2317 2318 /* 2319 * tlp_srom_crcok: 2320 * 2321 * Check the CRC of the Tulip SROM. 2322 */ 2323 int 2324 tlp_srom_crcok(romdata) 2325 const u_int8_t *romdata; 2326 { 2327 u_int32_t crc; 2328 2329 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2330 crc = (crc & 0xffff) ^ 0xffff; 2331 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2332 return (1); 2333 2334 /* 2335 * Try an alternate checksum. 2336 */ 2337 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2338 crc = (crc & 0xffff) ^ 0xffff; 2339 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2340 return (1); 2341 2342 return (0); 2343 } 2344 2345 /* 2346 * tlp_isv_srom: 2347 * 2348 * Check to see if the SROM is in the new standardized format. 2349 */ 2350 int 2351 tlp_isv_srom(romdata) 2352 const u_int8_t *romdata; 2353 { 2354 int i; 2355 u_int16_t cksum; 2356 2357 if (tlp_srom_crcok(romdata)) { 2358 /* 2359 * SROM CRC checks out; must be in the new format. 2360 */ 2361 return (1); 2362 } 2363 2364 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2365 if (cksum == 0xffff || cksum == 0) { 2366 /* 2367 * No checksum present. Check the SROM ID; 18 bytes of 0 2368 * followed by 1 (version) followed by the number of 2369 * adapters which use this SROM (should be non-zero). 2370 */ 2371 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2372 if (romdata[i] != 0) 2373 return (0); 2374 } 2375 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2376 return (0); 2377 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2378 return (0); 2379 return (1); 2380 } 2381 2382 return (0); 2383 } 2384 2385 /* 2386 * tlp_isv_srom_enaddr: 2387 * 2388 * Get the Ethernet address from an ISV SROM. 2389 */ 2390 int 2391 tlp_isv_srom_enaddr(sc, enaddr) 2392 struct tulip_softc *sc; 2393 u_int8_t *enaddr; 2394 { 2395 int i, devcnt; 2396 2397 if (tlp_isv_srom(sc->sc_srom) == 0) 2398 return (0); 2399 2400 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2401 for (i = 0; i < devcnt; i++) { 2402 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2403 break; 2404 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2405 sc->sc_devno) 2406 break; 2407 } 2408 2409 if (i == devcnt) 2410 return (0); 2411 2412 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2413 ETHER_ADDR_LEN); 2414 enaddr[5] += i; 2415 2416 return (1); 2417 } 2418 2419 /* 2420 * tlp_parse_old_srom: 2421 * 2422 * Parse old-format SROMs. 2423 * 2424 * This routine is largely lifted from Matt Thomas's `de' driver. 2425 */ 2426 int 2427 tlp_parse_old_srom(sc, enaddr) 2428 struct tulip_softc *sc; 2429 u_int8_t *enaddr; 2430 { 2431 static const u_int8_t testpat[] = 2432 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2433 int i; 2434 u_int32_t cksum; 2435 2436 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2437 /* 2438 * Some vendors (e.g. ZNYX) don't use the standard 2439 * DEC Address ROM format, but rather just have an 2440 * Ethernet address in the first 6 bytes, maybe a 2441 * 2 byte checksum, and then all 0xff's. 2442 * 2443 * On the other hand, Cobalt Networks interfaces 2444 * simply have the address in the first six bytes 2445 * with the rest zeroed out. 2446 */ 2447 for (i = 8; i < 32; i++) { 2448 if (sc->sc_srom[i] != 0xff && 2449 sc->sc_srom[i] != 0) 2450 return (0); 2451 } 2452 2453 /* 2454 * Sanity check the Ethernet address: 2455 * 2456 * - Make sure it's not multicast or locally 2457 * assigned 2458 * - Make sure it has a non-0 OUI 2459 */ 2460 if (sc->sc_srom[0] & 3) 2461 return (0); 2462 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2463 sc->sc_srom[2] == 0) 2464 return (0); 2465 2466 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2467 return (1); 2468 } 2469 2470 /* 2471 * Standard DEC Address ROM test. 2472 */ 2473 2474 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2475 return (0); 2476 2477 for (i = 0; i < 8; i++) { 2478 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2479 return (0); 2480 } 2481 2482 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2483 2484 cksum = *(u_int16_t *) &enaddr[0]; 2485 2486 cksum <<= 1; 2487 if (cksum > 0xffff) 2488 cksum -= 0xffff; 2489 2490 cksum += *(u_int16_t *) &enaddr[2]; 2491 if (cksum > 0xffff) 2492 cksum -= 0xffff; 2493 2494 cksum <<= 1; 2495 if (cksum > 0xffff) 2496 cksum -= 0xffff; 2497 2498 cksum += *(u_int16_t *) &enaddr[4]; 2499 if (cksum >= 0xffff) 2500 cksum -= 0xffff; 2501 2502 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2503 return (0); 2504 2505 return (1); 2506 } 2507 2508 /* 2509 * tlp_filter_setup: 2510 * 2511 * Set the Tulip's receive filter. 2512 */ 2513 void 2514 tlp_filter_setup(sc) 2515 struct tulip_softc *sc; 2516 { 2517 struct ethercom *ec = &sc->sc_ethercom; 2518 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2519 struct ether_multi *enm; 2520 struct ether_multistep step; 2521 __volatile u_int32_t *sp; 2522 struct tulip_txsoft *txs; 2523 u_int8_t enaddr[ETHER_ADDR_LEN]; 2524 u_int32_t hash, hashsize; 2525 int cnt; 2526 2527 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2528 sc->sc_dev.dv_xname, sc->sc_flags)); 2529 2530 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2531 2532 /* 2533 * If there are transmissions pending, wait until they have 2534 * completed. 2535 */ 2536 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2537 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2538 sc->sc_flags |= TULIPF_WANT_SETUP; 2539 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2540 sc->sc_dev.dv_xname)); 2541 return; 2542 } 2543 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2544 2545 switch (sc->sc_chip) { 2546 case TULIP_CHIP_82C115: 2547 hashsize = TULIP_PNICII_HASHSIZE; 2548 break; 2549 2550 default: 2551 hashsize = TULIP_MCHASHSIZE; 2552 } 2553 2554 /* 2555 * If we're running, idle the transmit and receive engines. If 2556 * we're NOT running, we're being called from tlp_init(), and our 2557 * writing OPMODE will start the transmit and receive processes 2558 * in motion. 2559 */ 2560 if (ifp->if_flags & IFF_RUNNING) 2561 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2562 2563 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2564 2565 if (ifp->if_flags & IFF_PROMISC) { 2566 sc->sc_opmode |= OPMODE_PR; 2567 goto allmulti; 2568 } 2569 2570 /* 2571 * Try Perfect filtering first. 2572 */ 2573 2574 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2575 sp = TULIP_CDSP(sc); 2576 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2577 cnt = 0; 2578 ETHER_FIRST_MULTI(step, ec, enm); 2579 while (enm != NULL) { 2580 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2581 /* 2582 * We must listen to a range of multicast addresses. 2583 * For now, just accept all multicasts, rather than 2584 * trying to set only those filter bits needed to match 2585 * the range. (At this time, the only use of address 2586 * ranges is for IP multicast routing, for which the 2587 * range is big enough to require all bits set.) 2588 */ 2589 goto allmulti; 2590 } 2591 if (cnt == (TULIP_MAXADDRS - 2)) { 2592 /* 2593 * We already have our multicast limit (still need 2594 * our station address and broadcast). Go to 2595 * Hash-Perfect mode. 2596 */ 2597 goto hashperfect; 2598 } 2599 cnt++; 2600 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2601 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2602 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2603 ETHER_NEXT_MULTI(step, enm); 2604 } 2605 2606 if (ifp->if_flags & IFF_BROADCAST) { 2607 /* ...and the broadcast address. */ 2608 cnt++; 2609 *sp++ = TULIP_SP_FIELD_C(0xffff); 2610 *sp++ = TULIP_SP_FIELD_C(0xffff); 2611 *sp++ = TULIP_SP_FIELD_C(0xffff); 2612 } 2613 2614 /* Pad the rest with our station address. */ 2615 for (; cnt < TULIP_MAXADDRS; cnt++) { 2616 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2617 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2618 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2619 } 2620 ifp->if_flags &= ~IFF_ALLMULTI; 2621 goto setit; 2622 2623 hashperfect: 2624 /* 2625 * Try Hash-Perfect mode. 2626 */ 2627 2628 /* 2629 * Some 21140 chips have broken Hash-Perfect modes. On these 2630 * chips, we simply use Hash-Only mode, and put our station 2631 * address into the filter. 2632 */ 2633 if (sc->sc_chip == TULIP_CHIP_21140) 2634 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2635 else 2636 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2637 sp = TULIP_CDSP(sc); 2638 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2639 ETHER_FIRST_MULTI(step, ec, enm); 2640 while (enm != NULL) { 2641 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2642 /* 2643 * We must listen to a range of multicast addresses. 2644 * For now, just accept all multicasts, rather than 2645 * trying to set only those filter bits needed to match 2646 * the range. (At this time, the only use of address 2647 * ranges is for IP multicast routing, for which the 2648 * range is big enough to require all bits set.) 2649 */ 2650 goto allmulti; 2651 } 2652 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2653 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2654 ETHER_NEXT_MULTI(step, enm); 2655 } 2656 2657 if (ifp->if_flags & IFF_BROADCAST) { 2658 /* ...and the broadcast address. */ 2659 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2660 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2661 } 2662 2663 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2664 /* ...and our station address. */ 2665 hash = tlp_mchash(enaddr, hashsize); 2666 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2667 } else { 2668 /* 2669 * Hash-Perfect mode; put our station address after 2670 * the hash table. 2671 */ 2672 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2673 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2674 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2675 } 2676 ifp->if_flags &= ~IFF_ALLMULTI; 2677 goto setit; 2678 2679 allmulti: 2680 /* 2681 * Use Perfect filter mode. First address is the broadcast address, 2682 * and pad the rest with our station address. We'll set Pass-all- 2683 * multicast in OPMODE below. 2684 */ 2685 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2686 sp = TULIP_CDSP(sc); 2687 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2688 cnt = 0; 2689 if (ifp->if_flags & IFF_BROADCAST) { 2690 cnt++; 2691 *sp++ = TULIP_SP_FIELD_C(0xffff); 2692 *sp++ = TULIP_SP_FIELD_C(0xffff); 2693 *sp++ = TULIP_SP_FIELD_C(0xffff); 2694 } 2695 for (; cnt < TULIP_MAXADDRS; cnt++) { 2696 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2697 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2698 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2699 } 2700 ifp->if_flags |= IFF_ALLMULTI; 2701 2702 setit: 2703 if (ifp->if_flags & IFF_ALLMULTI) 2704 sc->sc_opmode |= OPMODE_PM; 2705 2706 /* Sync the setup packet buffer. */ 2707 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2708 2709 /* 2710 * Fill in the setup packet descriptor. 2711 */ 2712 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2713 2714 txs->txs_firstdesc = sc->sc_txnext; 2715 txs->txs_lastdesc = sc->sc_txnext; 2716 txs->txs_ndescs = 1; 2717 txs->txs_mbuf = NULL; 2718 2719 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2720 htole32(TULIP_CDSPADDR(sc)); 2721 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2722 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2723 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2724 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2725 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2726 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2727 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2728 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2729 2730 /* Advance the tx pointer. */ 2731 sc->sc_txfree -= 1; 2732 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2733 2734 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2735 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2736 2737 /* 2738 * Set the OPMODE register. This will also resume the 2739 * transmit transmit process we idled above. 2740 */ 2741 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2742 2743 sc->sc_flags |= TULIPF_DOING_SETUP; 2744 2745 /* 2746 * Kick the transmitter; this will cause the Tulip to 2747 * read the setup descriptor. 2748 */ 2749 /* XXX USE AUTOPOLLING? */ 2750 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2751 2752 /* Set up a watchdog timer in case the chip flakes out. */ 2753 ifp->if_timer = 5; 2754 2755 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2756 } 2757 2758 /* 2759 * tlp_winb_filter_setup: 2760 * 2761 * Set the Winbond 89C840F's receive filter. 2762 */ 2763 void 2764 tlp_winb_filter_setup(sc) 2765 struct tulip_softc *sc; 2766 { 2767 struct ethercom *ec = &sc->sc_ethercom; 2768 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2769 struct ether_multi *enm; 2770 struct ether_multistep step; 2771 u_int32_t hash, mchash[2]; 2772 2773 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2774 sc->sc_dev.dv_xname, sc->sc_flags)); 2775 2776 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2777 2778 if (ifp->if_flags & IFF_MULTICAST) 2779 sc->sc_opmode |= OPMODE_WINB_AMP; 2780 2781 if (ifp->if_flags & IFF_BROADCAST) 2782 sc->sc_opmode |= OPMODE_WINB_ABP; 2783 2784 if (ifp->if_flags & IFF_PROMISC) { 2785 sc->sc_opmode |= OPMODE_WINB_APP; 2786 goto allmulti; 2787 } 2788 2789 mchash[0] = mchash[1] = 0; 2790 2791 ETHER_FIRST_MULTI(step, ec, enm); 2792 while (enm != NULL) { 2793 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2794 /* 2795 * We must listen to a range of multicast addresses. 2796 * For now, just accept all multicasts, rather than 2797 * trying to set only those filter bits needed to match 2798 * the range. (At this time, the only use of address 2799 * ranges is for IP multicast routing, for which the 2800 * range is big enough to require all bits set.) 2801 */ 2802 goto allmulti; 2803 } 2804 2805 /* 2806 * According to the FreeBSD `wb' driver, yes, you 2807 * really do invert the hash. 2808 */ 2809 hash = 2810 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2811 & 0x3f; 2812 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2813 ETHER_NEXT_MULTI(step, enm); 2814 } 2815 ifp->if_flags &= ~IFF_ALLMULTI; 2816 goto setit; 2817 2818 allmulti: 2819 ifp->if_flags |= IFF_ALLMULTI; 2820 mchash[0] = mchash[1] = 0xffffffff; 2821 2822 setit: 2823 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2824 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2825 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2826 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2827 sc->sc_dev.dv_xname)); 2828 } 2829 2830 /* 2831 * tlp_al981_filter_setup: 2832 * 2833 * Set the ADMtek AL981's receive filter. 2834 */ 2835 void 2836 tlp_al981_filter_setup(sc) 2837 struct tulip_softc *sc; 2838 { 2839 struct ethercom *ec = &sc->sc_ethercom; 2840 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2841 struct ether_multi *enm; 2842 struct ether_multistep step; 2843 u_int32_t hash, mchash[2]; 2844 2845 /* 2846 * If the chip is running, we need to reset the interface, 2847 * and will revisit here (with IFF_RUNNING) clear. The 2848 * chip seems to really not like to have its multicast 2849 * filter programmed without a reset. 2850 */ 2851 if (ifp->if_flags & IFF_RUNNING) { 2852 (void) tlp_init(ifp); 2853 return; 2854 } 2855 2856 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2857 sc->sc_dev.dv_xname, sc->sc_flags)); 2858 2859 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2860 2861 if (ifp->if_flags & IFF_PROMISC) { 2862 sc->sc_opmode |= OPMODE_PR; 2863 goto allmulti; 2864 } 2865 2866 mchash[0] = mchash[1] = 0; 2867 2868 ETHER_FIRST_MULTI(step, ec, enm); 2869 while (enm != NULL) { 2870 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2871 /* 2872 * We must listen to a range of multicast addresses. 2873 * For now, just accept all multicasts, rather than 2874 * trying to set only those filter bits needed to match 2875 * the range. (At this time, the only use of address 2876 * ranges is for IP multicast routing, for which the 2877 * range is big enough to require all bits set.) 2878 */ 2879 goto allmulti; 2880 } 2881 2882 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2883 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2884 ETHER_NEXT_MULTI(step, enm); 2885 } 2886 ifp->if_flags &= ~IFF_ALLMULTI; 2887 goto setit; 2888 2889 allmulti: 2890 ifp->if_flags |= IFF_ALLMULTI; 2891 mchash[0] = mchash[1] = 0xffffffff; 2892 2893 setit: 2894 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2895 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2896 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2897 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2898 sc->sc_dev.dv_xname)); 2899 } 2900 2901 /* 2902 * tlp_idle: 2903 * 2904 * Cause the transmit and/or receive processes to go idle. 2905 */ 2906 void 2907 tlp_idle(sc, bits) 2908 struct tulip_softc *sc; 2909 u_int32_t bits; 2910 { 2911 static const char * const tlp_tx_state_names[] = { 2912 "STOPPED", 2913 "RUNNING - FETCH", 2914 "RUNNING - WAIT", 2915 "RUNNING - READING", 2916 "-- RESERVED --", 2917 "RUNNING - SETUP", 2918 "SUSPENDED", 2919 "RUNNING - CLOSE", 2920 }; 2921 static const char * const tlp_rx_state_names[] = { 2922 "STOPPED", 2923 "RUNNING - FETCH", 2924 "RUNNING - CHECK", 2925 "RUNNING - WAIT", 2926 "SUSPENDED", 2927 "RUNNING - CLOSE", 2928 "RUNNING - FLUSH", 2929 "RUNNING - QUEUE", 2930 }; 2931 static const char * const dm9102_tx_state_names[] = { 2932 "STOPPED", 2933 "RUNNING - FETCH", 2934 "RUNNING - SETUP", 2935 "RUNNING - READING", 2936 "RUNNING - CLOSE - CLEAR OWNER", 2937 "RUNNING - WAIT", 2938 "RUNNING - CLOSE - WRITE STATUS", 2939 "SUSPENDED", 2940 }; 2941 static const char * const dm9102_rx_state_names[] = { 2942 "STOPPED", 2943 "RUNNING - FETCH", 2944 "RUNNING - WAIT", 2945 "RUNNING - QUEUE", 2946 "RUNNING - CLOSE - CLEAR OWNER", 2947 "RUNNING - CLOSE - WRITE STATUS", 2948 "SUSPENDED", 2949 "RUNNING - FLUSH", 2950 }; 2951 2952 const char * const *tx_state_names, * const *rx_state_names; 2953 u_int32_t csr, ackmask = 0; 2954 int i; 2955 2956 switch (sc->sc_chip) { 2957 case TULIP_CHIP_DM9102: 2958 case TULIP_CHIP_DM9102A: 2959 tx_state_names = dm9102_tx_state_names; 2960 rx_state_names = dm9102_rx_state_names; 2961 break; 2962 2963 default: 2964 tx_state_names = tlp_tx_state_names; 2965 rx_state_names = tlp_rx_state_names; 2966 break; 2967 } 2968 2969 if (bits & OPMODE_ST) 2970 ackmask |= STATUS_TPS; 2971 2972 if (bits & OPMODE_SR) 2973 ackmask |= STATUS_RPS; 2974 2975 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2976 2977 for (i = 0; i < 1000; i++) { 2978 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2979 break; 2980 delay(10); 2981 } 2982 2983 csr = TULIP_READ(sc, CSR_STATUS); 2984 if ((csr & ackmask) != ackmask) { 2985 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2986 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 2987 printf("%s: transmit process failed to idle: " 2988 "state %s\n", sc->sc_dev.dv_xname, 2989 tx_state_names[(csr & STATUS_TS) >> 20]); 2990 } 2991 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2992 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 2993 switch (sc->sc_chip) { 2994 case TULIP_CHIP_AN983: 2995 case TULIP_CHIP_AN985: 2996 /* 2997 * Filter the message out on noisy chips. 2998 */ 2999 break; 3000 default: 3001 printf("%s: receive process failed to idle: " 3002 "state %s\n", sc->sc_dev.dv_xname, 3003 rx_state_names[(csr & STATUS_RS) >> 17]); 3004 } 3005 } 3006 } 3007 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3008 } 3009 3010 /***************************************************************************** 3011 * Generic media support functions. 3012 *****************************************************************************/ 3013 3014 /* 3015 * tlp_mediastatus: [ifmedia interface function] 3016 * 3017 * Query the current media. 3018 */ 3019 void 3020 tlp_mediastatus(ifp, ifmr) 3021 struct ifnet *ifp; 3022 struct ifmediareq *ifmr; 3023 { 3024 struct tulip_softc *sc = ifp->if_softc; 3025 3026 if (TULIP_IS_ENABLED(sc) == 0) { 3027 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3028 ifmr->ifm_status = 0; 3029 return; 3030 } 3031 3032 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3033 } 3034 3035 /* 3036 * tlp_mediachange: [ifmedia interface function] 3037 * 3038 * Update the current media. 3039 */ 3040 int 3041 tlp_mediachange(ifp) 3042 struct ifnet *ifp; 3043 { 3044 struct tulip_softc *sc = ifp->if_softc; 3045 3046 if ((ifp->if_flags & IFF_UP) == 0) 3047 return (0); 3048 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3049 } 3050 3051 /***************************************************************************** 3052 * Support functions for MII-attached media. 3053 *****************************************************************************/ 3054 3055 /* 3056 * tlp_mii_tick: 3057 * 3058 * One second timer, used to tick the MII. 3059 */ 3060 void 3061 tlp_mii_tick(arg) 3062 void *arg; 3063 { 3064 struct tulip_softc *sc = arg; 3065 int s; 3066 3067 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3068 return; 3069 3070 s = splnet(); 3071 mii_tick(&sc->sc_mii); 3072 splx(s); 3073 3074 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3075 } 3076 3077 /* 3078 * tlp_mii_statchg: [mii interface function] 3079 * 3080 * Callback from PHY when media changes. 3081 */ 3082 void 3083 tlp_mii_statchg(self) 3084 struct device *self; 3085 { 3086 struct tulip_softc *sc = (struct tulip_softc *)self; 3087 3088 /* Idle the transmit and receive processes. */ 3089 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3090 3091 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3092 3093 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3094 sc->sc_opmode |= OPMODE_TTM; 3095 else 3096 sc->sc_opmode |= OPMODE_HBD; 3097 3098 if (sc->sc_mii.mii_media_active & IFM_FDX) 3099 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3100 3101 /* 3102 * Write new OPMODE bits. This also restarts the transmit 3103 * and receive processes. 3104 */ 3105 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3106 } 3107 3108 /* 3109 * tlp_winb_mii_statchg: [mii interface function] 3110 * 3111 * Callback from PHY when media changes. This version is 3112 * for the Winbond 89C840F, which has different OPMODE bits. 3113 */ 3114 void 3115 tlp_winb_mii_statchg(self) 3116 struct device *self; 3117 { 3118 struct tulip_softc *sc = (struct tulip_softc *)self; 3119 3120 /* Idle the transmit and receive processes. */ 3121 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3122 3123 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3124 3125 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3126 sc->sc_opmode |= OPMODE_WINB_FES; 3127 3128 if (sc->sc_mii.mii_media_active & IFM_FDX) 3129 sc->sc_opmode |= OPMODE_FD; 3130 3131 /* 3132 * Write new OPMODE bits. This also restarts the transmit 3133 * and receive processes. 3134 */ 3135 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3136 } 3137 3138 /* 3139 * tlp_dm9102_mii_statchg: [mii interface function] 3140 * 3141 * Callback from PHY when media changes. This version is 3142 * for the DM9102. 3143 */ 3144 void 3145 tlp_dm9102_mii_statchg(self) 3146 struct device *self; 3147 { 3148 struct tulip_softc *sc = (struct tulip_softc *)self; 3149 3150 /* 3151 * Don't idle the transmit and receive processes, here. It 3152 * seems to fail, and just causes excess noise. 3153 */ 3154 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3155 3156 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3157 sc->sc_opmode |= OPMODE_TTM; 3158 3159 if (sc->sc_mii.mii_media_active & IFM_FDX) 3160 sc->sc_opmode |= OPMODE_FD; 3161 3162 /* 3163 * Write new OPMODE bits. 3164 */ 3165 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3166 } 3167 3168 /* 3169 * tlp_mii_getmedia: 3170 * 3171 * Callback from ifmedia to request current media status. 3172 */ 3173 void 3174 tlp_mii_getmedia(sc, ifmr) 3175 struct tulip_softc *sc; 3176 struct ifmediareq *ifmr; 3177 { 3178 3179 mii_pollstat(&sc->sc_mii); 3180 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3181 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3182 } 3183 3184 /* 3185 * tlp_mii_setmedia: 3186 * 3187 * Callback from ifmedia to request new media setting. 3188 */ 3189 int 3190 tlp_mii_setmedia(sc) 3191 struct tulip_softc *sc; 3192 { 3193 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3194 3195 if (ifp->if_flags & IFF_UP) { 3196 switch (sc->sc_chip) { 3197 case TULIP_CHIP_21142: 3198 case TULIP_CHIP_21143: 3199 /* Disable the internal Nway engine. */ 3200 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3201 break; 3202 3203 default: 3204 /* Nothing. */ 3205 break; 3206 } 3207 mii_mediachg(&sc->sc_mii); 3208 } 3209 return (0); 3210 } 3211 3212 /* 3213 * tlp_bitbang_mii_readreg: 3214 * 3215 * Read a PHY register via bit-bang'ing the MII. 3216 */ 3217 int 3218 tlp_bitbang_mii_readreg(self, phy, reg) 3219 struct device *self; 3220 int phy, reg; 3221 { 3222 struct tulip_softc *sc = (void *) self; 3223 3224 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3225 } 3226 3227 /* 3228 * tlp_bitbang_mii_writereg: 3229 * 3230 * Write a PHY register via bit-bang'ing the MII. 3231 */ 3232 void 3233 tlp_bitbang_mii_writereg(self, phy, reg, val) 3234 struct device *self; 3235 int phy, reg, val; 3236 { 3237 struct tulip_softc *sc = (void *) self; 3238 3239 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3240 } 3241 3242 /* 3243 * tlp_sio_mii_bitbang_read: 3244 * 3245 * Read the MII serial port for the MII bit-bang module. 3246 */ 3247 u_int32_t 3248 tlp_sio_mii_bitbang_read(self) 3249 struct device *self; 3250 { 3251 struct tulip_softc *sc = (void *) self; 3252 3253 return (TULIP_READ(sc, CSR_MIIROM)); 3254 } 3255 3256 /* 3257 * tlp_sio_mii_bitbang_write: 3258 * 3259 * Write the MII serial port for the MII bit-bang module. 3260 */ 3261 void 3262 tlp_sio_mii_bitbang_write(self, val) 3263 struct device *self; 3264 u_int32_t val; 3265 { 3266 struct tulip_softc *sc = (void *) self; 3267 3268 TULIP_WRITE(sc, CSR_MIIROM, val); 3269 } 3270 3271 /* 3272 * tlp_pnic_mii_readreg: 3273 * 3274 * Read a PHY register on the Lite-On PNIC. 3275 */ 3276 int 3277 tlp_pnic_mii_readreg(self, phy, reg) 3278 struct device *self; 3279 int phy, reg; 3280 { 3281 struct tulip_softc *sc = (void *) self; 3282 u_int32_t val; 3283 int i; 3284 3285 TULIP_WRITE(sc, CSR_PNIC_MII, 3286 PNIC_MII_MBO | PNIC_MII_RESERVED | 3287 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3288 (reg << PNIC_MII_REGSHIFT)); 3289 3290 for (i = 0; i < 1000; i++) { 3291 delay(10); 3292 val = TULIP_READ(sc, CSR_PNIC_MII); 3293 if ((val & PNIC_MII_BUSY) == 0) { 3294 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3295 return (0); 3296 else 3297 return (val & PNIC_MII_DATA); 3298 } 3299 } 3300 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3301 return (0); 3302 } 3303 3304 /* 3305 * tlp_pnic_mii_writereg: 3306 * 3307 * Write a PHY register on the Lite-On PNIC. 3308 */ 3309 void 3310 tlp_pnic_mii_writereg(self, phy, reg, val) 3311 struct device *self; 3312 int phy, reg, val; 3313 { 3314 struct tulip_softc *sc = (void *) self; 3315 int i; 3316 3317 TULIP_WRITE(sc, CSR_PNIC_MII, 3318 PNIC_MII_MBO | PNIC_MII_RESERVED | 3319 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3320 (reg << PNIC_MII_REGSHIFT) | val); 3321 3322 for (i = 0; i < 1000; i++) { 3323 delay(10); 3324 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3325 return; 3326 } 3327 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3328 } 3329 3330 const bus_addr_t tlp_al981_phy_regmap[] = { 3331 CSR_ADM_BMCR, 3332 CSR_ADM_BMSR, 3333 CSR_ADM_PHYIDR1, 3334 CSR_ADM_PHYIDR2, 3335 CSR_ADM_ANAR, 3336 CSR_ADM_ANLPAR, 3337 CSR_ADM_ANER, 3338 3339 CSR_ADM_XMC, 3340 CSR_ADM_XCIIS, 3341 CSR_ADM_XIE, 3342 CSR_ADM_100CTR, 3343 }; 3344 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3345 sizeof(tlp_al981_phy_regmap[0]); 3346 3347 /* 3348 * tlp_al981_mii_readreg: 3349 * 3350 * Read a PHY register on the ADMtek AL981. 3351 */ 3352 int 3353 tlp_al981_mii_readreg(self, phy, reg) 3354 struct device *self; 3355 int phy, reg; 3356 { 3357 struct tulip_softc *sc = (struct tulip_softc *)self; 3358 3359 /* AL981 only has an internal PHY. */ 3360 if (phy != 0) 3361 return (0); 3362 3363 if (reg >= tlp_al981_phy_regmap_size) 3364 return (0); 3365 3366 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3367 tlp_al981_phy_regmap[reg]) & 0xffff); 3368 } 3369 3370 /* 3371 * tlp_al981_mii_writereg: 3372 * 3373 * Write a PHY register on the ADMtek AL981. 3374 */ 3375 void 3376 tlp_al981_mii_writereg(self, phy, reg, val) 3377 struct device *self; 3378 int phy, reg, val; 3379 { 3380 struct tulip_softc *sc = (struct tulip_softc *)self; 3381 3382 /* AL981 only has an internal PHY. */ 3383 if (phy != 0) 3384 return; 3385 3386 if (reg >= tlp_al981_phy_regmap_size) 3387 return; 3388 3389 bus_space_write_4(sc->sc_st, sc->sc_sh, 3390 tlp_al981_phy_regmap[reg], val); 3391 } 3392 3393 /***************************************************************************** 3394 * Chip-specific pre-init and reset functions. 3395 *****************************************************************************/ 3396 3397 /* 3398 * tlp_2114x_preinit: 3399 * 3400 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3401 */ 3402 void 3403 tlp_2114x_preinit(sc) 3404 struct tulip_softc *sc; 3405 { 3406 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3407 struct tulip_21x4x_media *tm = ife->ifm_aux; 3408 3409 /* 3410 * Whether or not we're in MII or SIA/SYM mode, the media info 3411 * contains the appropriate OPMODE bits. 3412 * 3413 * Also, we always set the Must-Be-One bit. 3414 */ 3415 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3416 3417 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3418 } 3419 3420 /* 3421 * tlp_2114x_mii_preinit: 3422 * 3423 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3424 * This version is used by boards which only have MII and don't have 3425 * an ISV SROM. 3426 */ 3427 void 3428 tlp_2114x_mii_preinit(sc) 3429 struct tulip_softc *sc; 3430 { 3431 3432 /* 3433 * Always set the Must-Be-One bit, and Port Select (to select MII). 3434 * We'll never be called during a media change. 3435 */ 3436 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3437 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3438 } 3439 3440 /* 3441 * tlp_pnic_preinit: 3442 * 3443 * Pre-init function for the Lite-On 82c168 and 82c169. 3444 */ 3445 void 3446 tlp_pnic_preinit(sc) 3447 struct tulip_softc *sc; 3448 { 3449 3450 if (sc->sc_flags & TULIPF_HAS_MII) { 3451 /* 3452 * MII case: just set the port-select bit; we will never 3453 * be called during a media change. 3454 */ 3455 sc->sc_opmode |= OPMODE_PS; 3456 } else { 3457 /* 3458 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3459 */ 3460 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3461 } 3462 } 3463 3464 /* 3465 * tlp_dm9102_preinit: 3466 * 3467 * Pre-init function for the Davicom DM9102. 3468 */ 3469 void 3470 tlp_dm9102_preinit(sc) 3471 struct tulip_softc *sc; 3472 { 3473 3474 switch (sc->sc_chip) { 3475 case TULIP_CHIP_DM9102: 3476 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3477 break; 3478 3479 case TULIP_CHIP_DM9102A: 3480 /* 3481 * XXX Figure out how to actually deal with the HomePNA 3482 * XXX portion of the DM9102A. 3483 */ 3484 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3485 break; 3486 3487 default: 3488 /* Nothing. */ 3489 break; 3490 } 3491 3492 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3493 } 3494 3495 /* 3496 * tlp_21140_reset: 3497 * 3498 * Issue a reset sequence on the 21140 via the GPIO facility. 3499 */ 3500 void 3501 tlp_21140_reset(sc) 3502 struct tulip_softc *sc; 3503 { 3504 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3505 struct tulip_21x4x_media *tm = ife->ifm_aux; 3506 int i; 3507 3508 /* First, set the direction on the GPIO pins. */ 3509 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3510 3511 /* Now, issue the reset sequence. */ 3512 for (i = 0; i < tm->tm_reset_length; i++) { 3513 delay(10); 3514 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3515 } 3516 3517 /* Now, issue the selection sequence. */ 3518 for (i = 0; i < tm->tm_gp_length; i++) { 3519 delay(10); 3520 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3521 } 3522 3523 /* If there were no sequences, just lower the pins. */ 3524 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3525 TULIP_WRITE(sc, CSR_GPP, 0); 3526 } 3527 3528 /* 3529 * tlp_21142_reset: 3530 * 3531 * Issue a reset sequence on the 21142 via the GPIO facility. 3532 */ 3533 void 3534 tlp_21142_reset(sc) 3535 struct tulip_softc *sc; 3536 { 3537 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3538 struct tulip_21x4x_media *tm = ife->ifm_aux; 3539 const u_int8_t *cp; 3540 int i; 3541 3542 cp = &sc->sc_srom[tm->tm_reset_offset]; 3543 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3544 delay(10); 3545 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3546 } 3547 3548 cp = &sc->sc_srom[tm->tm_gp_offset]; 3549 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3550 delay(10); 3551 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3552 } 3553 3554 /* If there were no sequences, just lower the pins. */ 3555 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3556 delay(10); 3557 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3558 } 3559 } 3560 3561 /* 3562 * tlp_pmac_reset: 3563 * 3564 * Reset routine for Macronix chips. 3565 */ 3566 void 3567 tlp_pmac_reset(sc) 3568 struct tulip_softc *sc; 3569 { 3570 3571 switch (sc->sc_chip) { 3572 case TULIP_CHIP_82C115: 3573 case TULIP_CHIP_MX98715: 3574 case TULIP_CHIP_MX98715A: 3575 case TULIP_CHIP_MX98725: 3576 /* 3577 * Set the LED operating mode. This information is located 3578 * in the EEPROM at byte offset 0x77, per the MX98715A and 3579 * MX98725 application notes. 3580 */ 3581 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3582 break; 3583 case TULIP_CHIP_MX98715AEC_X: 3584 /* 3585 * Set the LED operating mode. This information is located 3586 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3587 * application note. 3588 */ 3589 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3590 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3591 break; 3592 3593 default: 3594 /* Nothing. */ 3595 break; 3596 } 3597 } 3598 3599 /* 3600 * tlp_dm9102_reset: 3601 * 3602 * Reset routine for the Davicom DM9102. 3603 */ 3604 void 3605 tlp_dm9102_reset(sc) 3606 struct tulip_softc *sc; 3607 { 3608 3609 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3610 delay(100); 3611 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3612 } 3613 3614 /***************************************************************************** 3615 * Chip/board-specific media switches. The ones here are ones that 3616 * are potentially common to multiple front-ends. 3617 *****************************************************************************/ 3618 3619 /* 3620 * This table is a common place for all sorts of media information, 3621 * keyed off of the SROM media code for that media. 3622 * 3623 * Note that we explicitly configure the 21142/21143 to always advertise 3624 * NWay capabilities when using the UTP port. 3625 * XXX Actually, we don't yet. 3626 */ 3627 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3628 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3629 "10baseT", 3630 OPMODE_TTM, 3631 { SIACONN_21040_10BASET, 3632 SIATXRX_21040_10BASET, 3633 SIAGEN_21040_10BASET }, 3634 3635 { SIACONN_21041_10BASET, 3636 SIATXRX_21041_10BASET, 3637 SIAGEN_21041_10BASET }, 3638 3639 { SIACONN_21142_10BASET, 3640 SIATXRX_21142_10BASET, 3641 SIAGEN_21142_10BASET } }, 3642 3643 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3644 "10base2", 3645 0, 3646 { 0, 3647 0, 3648 0 }, 3649 3650 { SIACONN_21041_BNC, 3651 SIATXRX_21041_BNC, 3652 SIAGEN_21041_BNC }, 3653 3654 { SIACONN_21142_BNC, 3655 SIATXRX_21142_BNC, 3656 SIAGEN_21142_BNC } }, 3657 3658 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3659 "10base5", 3660 0, 3661 { SIACONN_21040_AUI, 3662 SIATXRX_21040_AUI, 3663 SIAGEN_21040_AUI }, 3664 3665 { SIACONN_21041_AUI, 3666 SIATXRX_21041_AUI, 3667 SIAGEN_21041_AUI }, 3668 3669 { SIACONN_21142_AUI, 3670 SIATXRX_21142_AUI, 3671 SIAGEN_21142_AUI } }, 3672 3673 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3674 "100baseTX", 3675 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3676 { 0, 3677 0, 3678 0 }, 3679 3680 { 0, 3681 0, 3682 0 }, 3683 3684 { 0, 3685 0, 3686 SIAGEN_ABM } }, 3687 3688 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3689 "10baseT-FDX", 3690 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3691 { SIACONN_21040_10BASET_FDX, 3692 SIATXRX_21040_10BASET_FDX, 3693 SIAGEN_21040_10BASET_FDX }, 3694 3695 { SIACONN_21041_10BASET_FDX, 3696 SIATXRX_21041_10BASET_FDX, 3697 SIAGEN_21041_10BASET_FDX }, 3698 3699 { SIACONN_21142_10BASET_FDX, 3700 SIATXRX_21142_10BASET_FDX, 3701 SIAGEN_21142_10BASET_FDX } }, 3702 3703 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3704 "100baseTX-FDX", 3705 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3706 { 0, 3707 0, 3708 0 }, 3709 3710 { 0, 3711 0, 3712 0 }, 3713 3714 { 0, 3715 0, 3716 SIAGEN_ABM } }, 3717 3718 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3719 "100baseT4", 3720 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3721 { 0, 3722 0, 3723 0 }, 3724 3725 { 0, 3726 0, 3727 0 }, 3728 3729 { 0, 3730 0, 3731 SIAGEN_ABM } }, 3732 3733 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3734 "100baseFX", 3735 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3736 { 0, 3737 0, 3738 0 }, 3739 3740 { 0, 3741 0, 3742 0 }, 3743 3744 { 0, 3745 0, 3746 SIAGEN_ABM } }, 3747 3748 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3749 "100baseFX-FDX", 3750 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3751 { 0, 3752 0, 3753 0 }, 3754 3755 { 0, 3756 0, 3757 0 }, 3758 3759 { 0, 3760 0, 3761 SIAGEN_ABM } }, 3762 3763 { 0, 0, 0, 3764 NULL, 3765 0, 3766 { 0, 3767 0, 3768 0 }, 3769 3770 { 0, 3771 0, 3772 0 }, 3773 3774 { 0, 3775 0, 3776 0 } }, 3777 }; 3778 3779 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3780 void tlp_srom_media_info __P((struct tulip_softc *, 3781 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3782 void tlp_add_srom_media __P((struct tulip_softc *, int, 3783 void (*)(struct tulip_softc *, struct ifmediareq *), 3784 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3785 void tlp_print_media __P((struct tulip_softc *)); 3786 void tlp_nway_activate __P((struct tulip_softc *, int)); 3787 void tlp_get_minst __P((struct tulip_softc *)); 3788 3789 const struct tulip_srom_to_ifmedia * 3790 tlp_srom_to_ifmedia(sm) 3791 u_int8_t sm; 3792 { 3793 const struct tulip_srom_to_ifmedia *tsti; 3794 3795 for (tsti = tulip_srom_to_ifmedia_table; 3796 tsti->tsti_name != NULL; tsti++) { 3797 if (tsti->tsti_srom == sm) 3798 return (tsti); 3799 } 3800 3801 return (NULL); 3802 } 3803 3804 void 3805 tlp_srom_media_info(sc, tsti, tm) 3806 struct tulip_softc *sc; 3807 const struct tulip_srom_to_ifmedia *tsti; 3808 struct tulip_21x4x_media *tm; 3809 { 3810 3811 tm->tm_name = tsti->tsti_name; 3812 tm->tm_opmode = tsti->tsti_opmode; 3813 3814 switch (sc->sc_chip) { 3815 case TULIP_CHIP_DE425: 3816 case TULIP_CHIP_21040: 3817 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3818 break; 3819 3820 case TULIP_CHIP_21041: 3821 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3822 break; 3823 3824 case TULIP_CHIP_21142: 3825 case TULIP_CHIP_21143: 3826 case TULIP_CHIP_82C115: 3827 case TULIP_CHIP_MX98715: 3828 case TULIP_CHIP_MX98715A: 3829 case TULIP_CHIP_MX98715AEC_X: 3830 case TULIP_CHIP_MX98725: 3831 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3832 break; 3833 3834 default: 3835 /* Nothing. */ 3836 break; 3837 } 3838 } 3839 3840 void 3841 tlp_add_srom_media(sc, type, get, set, list, cnt) 3842 struct tulip_softc *sc; 3843 int type; 3844 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3845 int (*set) __P((struct tulip_softc *)); 3846 const u_int8_t *list; 3847 int cnt; 3848 { 3849 struct tulip_21x4x_media *tm; 3850 const struct tulip_srom_to_ifmedia *tsti; 3851 int i; 3852 3853 for (i = 0; i < cnt; i++) { 3854 tsti = tlp_srom_to_ifmedia(list[i]); 3855 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3856 tlp_srom_media_info(sc, tsti, tm); 3857 tm->tm_type = type; 3858 tm->tm_get = get; 3859 tm->tm_set = set; 3860 3861 ifmedia_add(&sc->sc_mii.mii_media, 3862 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3863 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3864 } 3865 } 3866 3867 void 3868 tlp_print_media(sc) 3869 struct tulip_softc *sc; 3870 { 3871 struct ifmedia_entry *ife; 3872 struct tulip_21x4x_media *tm; 3873 const char *sep = ""; 3874 3875 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3876 3877 printf("%s: ", sc->sc_dev.dv_xname); 3878 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3879 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3880 tm = ife->ifm_aux; 3881 if (tm == NULL) { 3882 #ifdef DIAGNOSTIC 3883 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3884 panic("tlp_print_media"); 3885 #endif 3886 PRINT("auto"); 3887 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3888 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3889 PRINT(tm->tm_name); 3890 } 3891 } 3892 printf("\n"); 3893 3894 #undef PRINT 3895 } 3896 3897 void 3898 tlp_nway_activate(sc, media) 3899 struct tulip_softc *sc; 3900 int media; 3901 { 3902 struct ifmedia_entry *ife; 3903 3904 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3905 #ifdef DIAGNOSTIC 3906 if (ife == NULL) 3907 panic("tlp_nway_activate"); 3908 #endif 3909 sc->sc_nway_active = ife; 3910 } 3911 3912 void 3913 tlp_get_minst(sc) 3914 struct tulip_softc *sc; 3915 { 3916 3917 if ((sc->sc_media_seen & 3918 ~((1 << TULIP_ROM_MB_21140_MII) | 3919 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3920 /* 3921 * We have not yet seen any SIA/SYM media (but are 3922 * about to; that's why we're called!), so assign 3923 * the current media instance to be the `internal media' 3924 * instance, and advance it so any MII media gets a 3925 * fresh one (used to selecting/isolating a PHY). 3926 */ 3927 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3928 } 3929 } 3930 3931 /* 3932 * SIA Utility functions. 3933 */ 3934 void tlp_sia_update_link __P((struct tulip_softc *)); 3935 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3936 int tlp_sia_set __P((struct tulip_softc *)); 3937 void tlp_sia_fixup __P((struct tulip_softc *)); 3938 3939 void 3940 tlp_sia_update_link(sc) 3941 struct tulip_softc *sc; 3942 { 3943 struct ifmedia_entry *ife; 3944 struct tulip_21x4x_media *tm; 3945 u_int32_t siastat; 3946 3947 ife = TULIP_CURRENT_MEDIA(sc); 3948 tm = ife->ifm_aux; 3949 3950 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3951 3952 siastat = TULIP_READ(sc, CSR_SIASTAT); 3953 3954 /* 3955 * Note that when we do SIA link tests, we are assuming that 3956 * the chip is really in the mode that the current media setting 3957 * reflects. If we're not, then the link tests will not be 3958 * accurate! 3959 */ 3960 switch (IFM_SUBTYPE(ife->ifm_media)) { 3961 case IFM_10_T: 3962 sc->sc_flags |= TULIPF_LINK_VALID; 3963 if ((siastat & SIASTAT_LS10) == 0) 3964 sc->sc_flags |= TULIPF_LINK_UP; 3965 break; 3966 3967 case IFM_100_TX: 3968 case IFM_100_T4: 3969 sc->sc_flags |= TULIPF_LINK_VALID; 3970 if ((siastat & SIASTAT_LS100) == 0) 3971 sc->sc_flags |= TULIPF_LINK_UP; 3972 break; 3973 } 3974 3975 switch (sc->sc_chip) { 3976 case TULIP_CHIP_21142: 3977 case TULIP_CHIP_21143: 3978 /* 3979 * On these chips, we can tell more information about 3980 * AUI/BNC. Note that the AUI/BNC selection is made 3981 * in a different register; for our purpose, it's all 3982 * AUI. 3983 */ 3984 switch (IFM_SUBTYPE(ife->ifm_media)) { 3985 case IFM_10_2: 3986 case IFM_10_5: 3987 sc->sc_flags |= TULIPF_LINK_VALID; 3988 if (siastat & SIASTAT_ARA) { 3989 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3990 sc->sc_flags |= TULIPF_LINK_UP; 3991 } 3992 break; 3993 3994 default: 3995 /* 3996 * If we're SYM media and can detect the link 3997 * via the GPIO facility, prefer that status 3998 * over LS100. 3999 */ 4000 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4001 tm->tm_actmask != 0) { 4002 sc->sc_flags = (sc->sc_flags & 4003 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4004 if (TULIP_ISSET(sc, CSR_SIAGEN, 4005 tm->tm_actmask) == tm->tm_actdata) 4006 sc->sc_flags |= TULIPF_LINK_UP; 4007 } 4008 } 4009 break; 4010 4011 default: 4012 /* Nothing. */ 4013 break; 4014 } 4015 } 4016 4017 void 4018 tlp_sia_get(sc, ifmr) 4019 struct tulip_softc *sc; 4020 struct ifmediareq *ifmr; 4021 { 4022 struct ifmedia_entry *ife; 4023 4024 ifmr->ifm_status = 0; 4025 4026 tlp_sia_update_link(sc); 4027 4028 ife = TULIP_CURRENT_MEDIA(sc); 4029 4030 if (sc->sc_flags & TULIPF_LINK_VALID) 4031 ifmr->ifm_status |= IFM_AVALID; 4032 if (sc->sc_flags & TULIPF_LINK_UP) 4033 ifmr->ifm_status |= IFM_ACTIVE; 4034 ifmr->ifm_active = ife->ifm_media; 4035 } 4036 4037 void 4038 tlp_sia_fixup(sc) 4039 struct tulip_softc *sc; 4040 { 4041 struct ifmedia_entry *ife; 4042 struct tulip_21x4x_media *tm; 4043 u_int32_t siaconn, siatxrx, siagen; 4044 4045 switch (sc->sc_chip) { 4046 case TULIP_CHIP_82C115: 4047 case TULIP_CHIP_MX98713A: 4048 case TULIP_CHIP_MX98715: 4049 case TULIP_CHIP_MX98715A: 4050 case TULIP_CHIP_MX98715AEC_X: 4051 case TULIP_CHIP_MX98725: 4052 siaconn = PMAC_SIACONN_MASK; 4053 siatxrx = PMAC_SIATXRX_MASK; 4054 siagen = PMAC_SIAGEN_MASK; 4055 break; 4056 4057 default: 4058 /* No fixups required on any other chips. */ 4059 return; 4060 } 4061 4062 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4063 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4064 tm = ife->ifm_aux; 4065 if (tm == NULL) 4066 continue; 4067 4068 tm->tm_siaconn &= siaconn; 4069 tm->tm_siatxrx &= siatxrx; 4070 tm->tm_siagen &= siagen; 4071 } 4072 } 4073 4074 int 4075 tlp_sia_set(sc) 4076 struct tulip_softc *sc; 4077 { 4078 struct ifmedia_entry *ife; 4079 struct tulip_21x4x_media *tm; 4080 4081 ife = TULIP_CURRENT_MEDIA(sc); 4082 tm = ife->ifm_aux; 4083 4084 /* 4085 * XXX This appears to be necessary on a bunch of the clone chips. 4086 */ 4087 delay(20000); 4088 4089 /* 4090 * Idle the chip. 4091 */ 4092 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4093 4094 /* 4095 * Program the SIA. It's important to write in this order, 4096 * resetting the SIA first. 4097 */ 4098 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4099 delay(1000); 4100 4101 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4102 4103 switch (sc->sc_chip) { 4104 case TULIP_CHIP_21142: 4105 case TULIP_CHIP_21143: 4106 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4107 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4108 break; 4109 default: 4110 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4111 } 4112 4113 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4114 4115 /* 4116 * Set the OPMODE bits for this media and write OPMODE. 4117 * This will resume the transmit and receive processes. 4118 */ 4119 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4120 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4121 4122 return (0); 4123 } 4124 4125 /* 4126 * 21140 GPIO utility functions. 4127 */ 4128 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4129 4130 void 4131 tlp_21140_gpio_update_link(sc) 4132 struct tulip_softc *sc; 4133 { 4134 struct ifmedia_entry *ife; 4135 struct tulip_21x4x_media *tm; 4136 4137 ife = TULIP_CURRENT_MEDIA(sc); 4138 tm = ife->ifm_aux; 4139 4140 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4141 4142 if (tm->tm_actmask != 0) { 4143 sc->sc_flags |= TULIPF_LINK_VALID; 4144 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4145 tm->tm_actdata) 4146 sc->sc_flags |= TULIPF_LINK_UP; 4147 } 4148 } 4149 4150 void 4151 tlp_21140_gpio_get(sc, ifmr) 4152 struct tulip_softc *sc; 4153 struct ifmediareq *ifmr; 4154 { 4155 struct ifmedia_entry *ife; 4156 4157 ifmr->ifm_status = 0; 4158 4159 tlp_21140_gpio_update_link(sc); 4160 4161 ife = TULIP_CURRENT_MEDIA(sc); 4162 4163 if (sc->sc_flags & TULIPF_LINK_VALID) 4164 ifmr->ifm_status |= IFM_AVALID; 4165 if (sc->sc_flags & TULIPF_LINK_UP) 4166 ifmr->ifm_status |= IFM_ACTIVE; 4167 ifmr->ifm_active = ife->ifm_media; 4168 } 4169 4170 int 4171 tlp_21140_gpio_set(sc) 4172 struct tulip_softc *sc; 4173 { 4174 struct ifmedia_entry *ife; 4175 struct tulip_21x4x_media *tm; 4176 4177 ife = TULIP_CURRENT_MEDIA(sc); 4178 tm = ife->ifm_aux; 4179 4180 /* 4181 * Idle the chip. 4182 */ 4183 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4184 4185 /* 4186 * Set the GPIO pins for this media, to flip any 4187 * relays, etc. 4188 */ 4189 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4190 delay(10); 4191 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4192 4193 /* 4194 * Set the OPMODE bits for this media and write OPMODE. 4195 * This will resume the transmit and receive processes. 4196 */ 4197 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4198 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4199 4200 return (0); 4201 } 4202 4203 /* 4204 * 21040 and 21041 media switches. 4205 */ 4206 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4207 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4208 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4209 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4210 4211 const struct tulip_mediasw tlp_21040_mediasw = { 4212 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4213 }; 4214 4215 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4216 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4217 }; 4218 4219 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4220 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4221 }; 4222 4223 const struct tulip_mediasw tlp_21041_mediasw = { 4224 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4225 }; 4226 4227 4228 void 4229 tlp_21040_tmsw_init(sc) 4230 struct tulip_softc *sc; 4231 { 4232 static const u_int8_t media[] = { 4233 TULIP_ROM_MB_MEDIA_TP, 4234 TULIP_ROM_MB_MEDIA_TP_FDX, 4235 TULIP_ROM_MB_MEDIA_AUI, 4236 }; 4237 struct tulip_21x4x_media *tm; 4238 4239 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4240 tlp_mediastatus); 4241 4242 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4243 4244 /* 4245 * No SROM type for External SIA. 4246 */ 4247 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4248 tm->tm_name = "manual"; 4249 tm->tm_opmode = 0; 4250 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4251 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4252 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4253 ifmedia_add(&sc->sc_mii.mii_media, 4254 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4255 4256 /* 4257 * XXX Autosense not yet supported. 4258 */ 4259 4260 /* XXX This should be auto-sense. */ 4261 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4262 4263 tlp_print_media(sc); 4264 } 4265 4266 void 4267 tlp_21040_tp_tmsw_init(sc) 4268 struct tulip_softc *sc; 4269 { 4270 static const u_int8_t media[] = { 4271 TULIP_ROM_MB_MEDIA_TP, 4272 TULIP_ROM_MB_MEDIA_TP_FDX, 4273 }; 4274 4275 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4276 tlp_mediastatus); 4277 4278 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4279 4280 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4281 4282 tlp_print_media(sc); 4283 } 4284 4285 void 4286 tlp_21040_auibnc_tmsw_init(sc) 4287 struct tulip_softc *sc; 4288 { 4289 static const u_int8_t media[] = { 4290 TULIP_ROM_MB_MEDIA_AUI, 4291 }; 4292 4293 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4294 tlp_mediastatus); 4295 4296 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4297 4298 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4299 4300 tlp_print_media(sc); 4301 } 4302 4303 void 4304 tlp_21041_tmsw_init(sc) 4305 struct tulip_softc *sc; 4306 { 4307 static const u_int8_t media[] = { 4308 TULIP_ROM_MB_MEDIA_TP, 4309 TULIP_ROM_MB_MEDIA_TP_FDX, 4310 TULIP_ROM_MB_MEDIA_BNC, 4311 TULIP_ROM_MB_MEDIA_AUI, 4312 }; 4313 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4314 const struct tulip_srom_to_ifmedia *tsti; 4315 struct tulip_21x4x_media *tm; 4316 u_int16_t romdef; 4317 u_int8_t mb; 4318 4319 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4320 tlp_mediastatus); 4321 4322 if (tlp_isv_srom(sc->sc_srom) == 0) { 4323 not_isv_srom: 4324 /* 4325 * If we have a board without the standard 21041 SROM format, 4326 * we just assume all media are present and try and pick a 4327 * reasonable default. 4328 */ 4329 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4330 4331 /* 4332 * XXX Autosense not yet supported. 4333 */ 4334 4335 /* XXX This should be auto-sense. */ 4336 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4337 4338 tlp_print_media(sc); 4339 return; 4340 } 4341 4342 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4343 for (i = 0; i < devcnt; i++) { 4344 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4345 break; 4346 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4347 sc->sc_devno) 4348 break; 4349 } 4350 4351 if (i == devcnt) 4352 goto not_isv_srom; 4353 4354 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4355 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4356 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4357 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4358 4359 for (; m_cnt != 0; 4360 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4361 mb = sc->sc_srom[mb_offset]; 4362 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4363 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4364 case TULIP_ROM_MB_MEDIA_TP_FDX: 4365 case TULIP_ROM_MB_MEDIA_TP: 4366 case TULIP_ROM_MB_MEDIA_BNC: 4367 case TULIP_ROM_MB_MEDIA_AUI: 4368 tsti = tlp_srom_to_ifmedia(mb & 4369 TULIP_ROM_MB_MEDIA_CODE); 4370 4371 tlp_srom_media_info(sc, tsti, tm); 4372 4373 /* 4374 * Override our default SIA settings if the 4375 * SROM contains its own. 4376 */ 4377 if (mb & TULIP_ROM_MB_EXT) { 4378 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4379 mb_offset + TULIP_ROM_MB_CSR13); 4380 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4381 mb_offset + TULIP_ROM_MB_CSR14); 4382 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4383 mb_offset + TULIP_ROM_MB_CSR15); 4384 } 4385 4386 ifmedia_add(&sc->sc_mii.mii_media, 4387 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4388 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4389 break; 4390 4391 default: 4392 printf("%s: unknown media code 0x%02x\n", 4393 sc->sc_dev.dv_xname, 4394 mb & TULIP_ROM_MB_MEDIA_CODE); 4395 free(tm, M_DEVBUF); 4396 } 4397 } 4398 4399 /* 4400 * XXX Autosense not yet supported. 4401 */ 4402 4403 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4404 TULIP_ROM_IL_SELECT_CONN_TYPE); 4405 switch (romdef) { 4406 case SELECT_CONN_TYPE_TP: 4407 case SELECT_CONN_TYPE_TP_AUTONEG: 4408 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4409 defmedia = IFM_ETHER|IFM_10_T; 4410 break; 4411 4412 case SELECT_CONN_TYPE_TP_FDX: 4413 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4414 break; 4415 4416 case SELECT_CONN_TYPE_BNC: 4417 defmedia = IFM_ETHER|IFM_10_2; 4418 break; 4419 4420 case SELECT_CONN_TYPE_AUI: 4421 defmedia = IFM_ETHER|IFM_10_5; 4422 break; 4423 #if 0 /* XXX */ 4424 case SELECT_CONN_TYPE_ASENSE: 4425 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4426 defmedia = IFM_ETHER|IFM_AUTO; 4427 break; 4428 #endif 4429 default: 4430 defmedia = 0; 4431 } 4432 4433 if (defmedia == 0) { 4434 /* 4435 * XXX We should default to auto-sense. 4436 */ 4437 defmedia = IFM_ETHER|IFM_10_T; 4438 } 4439 4440 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4441 4442 tlp_print_media(sc); 4443 } 4444 4445 /* 4446 * DECchip 2114x ISV media switch. 4447 */ 4448 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4449 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4450 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4451 4452 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4453 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4454 }; 4455 4456 void tlp_2114x_nway_get __P((struct tulip_softc *, struct ifmediareq *)); 4457 int tlp_2114x_nway_set __P((struct tulip_softc *)); 4458 4459 void tlp_2114x_nway_statchg __P((struct device *)); 4460 int tlp_2114x_nway_service __P((struct tulip_softc *, int)); 4461 void tlp_2114x_nway_auto __P((struct tulip_softc *)); 4462 void tlp_2114x_nway_status __P((struct tulip_softc *)); 4463 4464 void 4465 tlp_2114x_isv_tmsw_init(sc) 4466 struct tulip_softc *sc; 4467 { 4468 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4469 struct ifmedia_entry *ife; 4470 struct mii_softc *phy; 4471 struct tulip_21x4x_media *tm; 4472 const struct tulip_srom_to_ifmedia *tsti; 4473 int i, devcnt, leaf_offset, m_cnt, type, length; 4474 int defmedia, miidef; 4475 u_int16_t word; 4476 u_int8_t *cp, *ncp; 4477 4478 defmedia = miidef = 0; 4479 4480 sc->sc_mii.mii_ifp = ifp; 4481 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4482 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4483 sc->sc_mii.mii_statchg = sc->sc_statchg; 4484 4485 /* 4486 * Ignore `instance'; we may get a mixture of SIA and MII 4487 * media, and `instance' is used to isolate or select the 4488 * PHY on the MII as appropriate. Note that duplicate media 4489 * are disallowed, so ignoring `instance' is safe. 4490 */ 4491 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4492 tlp_mediastatus); 4493 4494 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4495 for (i = 0; i < devcnt; i++) { 4496 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4497 break; 4498 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4499 sc->sc_devno) 4500 break; 4501 } 4502 4503 if (i == devcnt) { 4504 printf("%s: unable to locate info leaf in SROM\n", 4505 sc->sc_dev.dv_xname); 4506 return; 4507 } 4508 4509 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4510 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4511 4512 /* XXX SELECT CONN TYPE */ 4513 4514 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4515 4516 /* 4517 * On some chips, the first thing in the Info Leaf is the 4518 * GPIO pin direction data. 4519 */ 4520 switch (sc->sc_chip) { 4521 case TULIP_CHIP_21140: 4522 case TULIP_CHIP_21140A: 4523 case TULIP_CHIP_MX98713: 4524 case TULIP_CHIP_AX88140: 4525 case TULIP_CHIP_AX88141: 4526 sc->sc_gp_dir = *cp++; 4527 break; 4528 4529 default: 4530 /* Nothing. */ 4531 break; 4532 } 4533 4534 /* Get the media count. */ 4535 m_cnt = *cp++; 4536 4537 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4538 /* 4539 * Determine the type and length of this media block. 4540 * The 21143 is spec'd to always use extended format blocks, 4541 * but some cards don't set the bit to indicate this. 4542 * Hopefully there are no cards which really don't use 4543 * extended format blocks. 4544 */ 4545 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4546 length = 4; 4547 type = TULIP_ROM_MB_21140_GPR; 4548 } else { 4549 length = (*cp++ & 0x7f) - 1; 4550 type = *cp++ & 0x3f; 4551 } 4552 4553 /* Compute the start of the next block. */ 4554 ncp = cp + length; 4555 4556 /* Now, parse the block. */ 4557 switch (type) { 4558 case TULIP_ROM_MB_21140_GPR: 4559 tlp_get_minst(sc); 4560 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4561 4562 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4563 4564 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4565 tm->tm_get = tlp_21140_gpio_get; 4566 tm->tm_set = tlp_21140_gpio_set; 4567 4568 /* First is the media type code. */ 4569 tsti = tlp_srom_to_ifmedia(cp[0] & 4570 TULIP_ROM_MB_MEDIA_CODE); 4571 if (tsti == NULL) { 4572 /* Invalid media code. */ 4573 free(tm, M_DEVBUF); 4574 break; 4575 } 4576 4577 /* Get defaults. */ 4578 tlp_srom_media_info(sc, tsti, tm); 4579 4580 /* Next is any GPIO info for this media. */ 4581 tm->tm_gpdata = cp[1]; 4582 4583 /* 4584 * Next is a word containing OPMODE information 4585 * and info on how to detect if this media is 4586 * active. 4587 */ 4588 word = TULIP_ROM_GETW(cp, 2); 4589 tm->tm_opmode &= OPMODE_FD; 4590 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4591 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4592 tm->tm_actmask = 4593 TULIP_ROM_MB_BITPOS(word); 4594 tm->tm_actdata = 4595 (word & TULIP_ROM_MB_POLARITY) ? 4596 0 : tm->tm_actmask; 4597 } 4598 4599 ifmedia_add(&sc->sc_mii.mii_media, 4600 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4601 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4602 break; 4603 4604 case TULIP_ROM_MB_21140_MII: 4605 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4606 4607 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4608 4609 tm->tm_type = TULIP_ROM_MB_21140_MII; 4610 tm->tm_get = tlp_mii_getmedia; 4611 tm->tm_set = tlp_mii_setmedia; 4612 tm->tm_opmode = OPMODE_PS; 4613 4614 if (sc->sc_reset == NULL) 4615 sc->sc_reset = tlp_21140_reset; 4616 4617 /* First is the PHY number. */ 4618 tm->tm_phyno = *cp++; 4619 4620 /* Next is the MII select sequence length and offset. */ 4621 tm->tm_gp_length = *cp++; 4622 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4623 cp += tm->tm_gp_length; 4624 4625 /* Next is the MII reset sequence length and offset. */ 4626 tm->tm_reset_length = *cp++; 4627 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4628 cp += tm->tm_reset_length; 4629 4630 /* 4631 * The following items are left in the media block 4632 * that we don't particularly care about: 4633 * 4634 * capabilities W 4635 * advertisement W 4636 * full duplex W 4637 * tx threshold W 4638 * 4639 * These appear to be bits in the PHY registers, 4640 * which our MII code handles on its own. 4641 */ 4642 4643 /* 4644 * Before we probe the MII bus, we need to reset 4645 * it and issue the selection sequence. 4646 */ 4647 4648 /* Set the direction of the pins... */ 4649 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4650 4651 for (i = 0; i < tm->tm_reset_length; i++) { 4652 delay(10); 4653 TULIP_WRITE(sc, CSR_GPP, 4654 sc->sc_srom[tm->tm_reset_offset + i]); 4655 } 4656 4657 for (i = 0; i < tm->tm_gp_length; i++) { 4658 delay(10); 4659 TULIP_WRITE(sc, CSR_GPP, 4660 sc->sc_srom[tm->tm_gp_offset + i]); 4661 } 4662 4663 /* If there were no sequences, just lower the pins. */ 4664 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4665 delay(10); 4666 TULIP_WRITE(sc, CSR_GPP, 0); 4667 } 4668 4669 /* 4670 * Now, probe the MII for the PHY. Note, we know 4671 * the location of the PHY on the bus, but we don't 4672 * particularly care; the MII code just likes to 4673 * search the whole thing anyhow. 4674 */ 4675 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4676 MII_PHY_ANY, tm->tm_phyno, 0); 4677 4678 /* 4679 * Now, search for the PHY we hopefully just 4680 * configured. If it's not configured into the 4681 * kernel, we lose. The PHY's default media always 4682 * takes priority. 4683 */ 4684 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4685 phy != NULL; 4686 phy = LIST_NEXT(phy, mii_list)) 4687 if (phy->mii_offset == tm->tm_phyno) 4688 break; 4689 if (phy == NULL) { 4690 printf("%s: unable to configure MII\n", 4691 sc->sc_dev.dv_xname); 4692 break; 4693 } 4694 4695 sc->sc_flags |= TULIPF_HAS_MII; 4696 sc->sc_tick = tlp_mii_tick; 4697 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4698 phy->mii_inst); 4699 4700 /* 4701 * Okay, now that we've found the PHY and the MII 4702 * layer has added all of the media associated 4703 * with that PHY, we need to traverse the media 4704 * list, and add our `tm' to each entry's `aux' 4705 * pointer. 4706 * 4707 * We do this by looking for media with our 4708 * PHY's `instance'. 4709 */ 4710 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4711 ife != NULL; 4712 ife = TAILQ_NEXT(ife, ifm_list)) { 4713 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4714 continue; 4715 ife->ifm_aux = tm; 4716 } 4717 break; 4718 4719 case TULIP_ROM_MB_21142_SIA: 4720 tlp_get_minst(sc); 4721 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4722 4723 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4724 4725 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4726 tm->tm_get = tlp_sia_get; 4727 tm->tm_set = tlp_sia_set; 4728 4729 /* First is the media type code. */ 4730 tsti = tlp_srom_to_ifmedia(cp[0] & 4731 TULIP_ROM_MB_MEDIA_CODE); 4732 if (tsti == NULL) { 4733 /* Invalid media code. */ 4734 free(tm, M_DEVBUF); 4735 break; 4736 } 4737 4738 /* Get defaults. */ 4739 tlp_srom_media_info(sc, tsti, tm); 4740 4741 /* 4742 * Override our default SIA settings if the 4743 * SROM contains its own. 4744 */ 4745 if (cp[0] & 0x40) { 4746 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4747 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4748 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4749 cp += 7; 4750 } else 4751 cp++; 4752 4753 /* Next is GPIO control/data. */ 4754 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4755 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4756 4757 ifmedia_add(&sc->sc_mii.mii_media, 4758 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4759 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4760 break; 4761 4762 case TULIP_ROM_MB_21142_MII: 4763 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4764 4765 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4766 4767 tm->tm_type = TULIP_ROM_MB_21142_MII; 4768 tm->tm_get = tlp_mii_getmedia; 4769 tm->tm_set = tlp_mii_setmedia; 4770 tm->tm_opmode = OPMODE_PS; 4771 4772 if (sc->sc_reset == NULL) 4773 sc->sc_reset = tlp_21142_reset; 4774 4775 /* First is the PHY number. */ 4776 tm->tm_phyno = *cp++; 4777 4778 /* Next is the MII select sequence length and offset. */ 4779 tm->tm_gp_length = *cp++; 4780 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4781 cp += tm->tm_gp_length * 2; 4782 4783 /* Next is the MII reset sequence length and offset. */ 4784 tm->tm_reset_length = *cp++; 4785 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4786 cp += tm->tm_reset_length * 2; 4787 4788 /* 4789 * The following items are left in the media block 4790 * that we don't particularly care about: 4791 * 4792 * capabilities W 4793 * advertisement W 4794 * full duplex W 4795 * tx threshold W 4796 * MII interrupt W 4797 * 4798 * These appear to be bits in the PHY registers, 4799 * which our MII code handles on its own. 4800 */ 4801 4802 /* 4803 * Before we probe the MII bus, we need to reset 4804 * it and issue the selection sequence. 4805 */ 4806 4807 cp = &sc->sc_srom[tm->tm_reset_offset]; 4808 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4809 delay(10); 4810 TULIP_WRITE(sc, CSR_SIAGEN, 4811 TULIP_ROM_GETW(cp, 0) << 16); 4812 } 4813 4814 cp = &sc->sc_srom[tm->tm_gp_offset]; 4815 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4816 delay(10); 4817 TULIP_WRITE(sc, CSR_SIAGEN, 4818 TULIP_ROM_GETW(cp, 0) << 16); 4819 } 4820 4821 /* If there were no sequences, just lower the pins. */ 4822 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4823 delay(10); 4824 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4825 } 4826 4827 /* 4828 * Now, probe the MII for the PHY. Note, we know 4829 * the location of the PHY on the bus, but we don't 4830 * particularly care; the MII code just likes to 4831 * search the whole thing anyhow. 4832 */ 4833 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4834 MII_PHY_ANY, tm->tm_phyno, 0); 4835 4836 /* 4837 * Now, search for the PHY we hopefully just 4838 * configured. If it's not configured into the 4839 * kernel, we lose. The PHY's default media always 4840 * takes priority. 4841 */ 4842 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4843 phy != NULL; 4844 phy = LIST_NEXT(phy, mii_list)) 4845 if (phy->mii_offset == tm->tm_phyno) 4846 break; 4847 if (phy == NULL) { 4848 printf("%s: unable to configure MII\n", 4849 sc->sc_dev.dv_xname); 4850 break; 4851 } 4852 4853 sc->sc_flags |= TULIPF_HAS_MII; 4854 sc->sc_tick = tlp_mii_tick; 4855 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4856 phy->mii_inst); 4857 4858 /* 4859 * Okay, now that we've found the PHY and the MII 4860 * layer has added all of the media associated 4861 * with that PHY, we need to traverse the media 4862 * list, and add our `tm' to each entry's `aux' 4863 * pointer. 4864 * 4865 * We do this by looking for media with our 4866 * PHY's `instance'. 4867 */ 4868 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4869 ife != NULL; 4870 ife = TAILQ_NEXT(ife, ifm_list)) { 4871 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4872 continue; 4873 ife->ifm_aux = tm; 4874 } 4875 break; 4876 4877 case TULIP_ROM_MB_21143_SYM: 4878 tlp_get_minst(sc); 4879 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4880 4881 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4882 4883 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4884 tm->tm_get = tlp_sia_get; 4885 tm->tm_set = tlp_sia_set; 4886 4887 /* First is the media type code. */ 4888 tsti = tlp_srom_to_ifmedia(cp[0] & 4889 TULIP_ROM_MB_MEDIA_CODE); 4890 if (tsti == NULL) { 4891 /* Invalid media code. */ 4892 free(tm, M_DEVBUF); 4893 break; 4894 } 4895 4896 /* Get defaults. */ 4897 tlp_srom_media_info(sc, tsti, tm); 4898 4899 /* Next is GPIO control/data. */ 4900 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 4901 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 4902 4903 /* 4904 * Next is a word containing OPMODE information 4905 * and info on how to detect if this media is 4906 * active. 4907 */ 4908 word = TULIP_ROM_GETW(cp, 5); 4909 tm->tm_opmode &= OPMODE_FD; 4910 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4911 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4912 tm->tm_actmask = 4913 TULIP_ROM_MB_BITPOS(word); 4914 tm->tm_actdata = 4915 (word & TULIP_ROM_MB_POLARITY) ? 4916 0 : tm->tm_actmask; 4917 } 4918 4919 ifmedia_add(&sc->sc_mii.mii_media, 4920 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4921 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4922 break; 4923 4924 case TULIP_ROM_MB_21143_RESET: 4925 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4926 break; 4927 4928 default: 4929 printf("%s: unknown ISV media block type 0x%02x\n", 4930 sc->sc_dev.dv_xname, type); 4931 } 4932 } 4933 4934 /* 4935 * Deal with the case where no media is configured. 4936 */ 4937 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4938 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4939 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4940 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4941 return; 4942 } 4943 4944 /* 4945 * Pick the default media. 4946 */ 4947 if (miidef != 0) 4948 defmedia = miidef; 4949 else { 4950 switch (sc->sc_chip) { 4951 case TULIP_CHIP_21140: 4952 case TULIP_CHIP_21140A: 4953 /* XXX should come from SROM */ 4954 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4955 break; 4956 4957 case TULIP_CHIP_21142: 4958 case TULIP_CHIP_21143: 4959 case TULIP_CHIP_MX98713A: 4960 case TULIP_CHIP_MX98715: 4961 case TULIP_CHIP_MX98715A: 4962 case TULIP_CHIP_MX98715AEC_X: 4963 case TULIP_CHIP_MX98725: 4964 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4965 tm->tm_name = "auto"; 4966 tm->tm_get = tlp_2114x_nway_get; 4967 tm->tm_set = tlp_2114x_nway_set; 4968 4969 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 4970 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 4971 4972 sc->sc_statchg = tlp_2114x_nway_statchg; 4973 sc->sc_tick = tlp_2114x_nway_tick; 4974 break; 4975 4976 default: 4977 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4978 break; 4979 } 4980 } 4981 4982 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4983 4984 /* 4985 * Display any non-MII media we've located. 4986 */ 4987 if (sc->sc_media_seen & 4988 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4989 tlp_print_media(sc); 4990 4991 tlp_sia_fixup(sc); 4992 } 4993 4994 void 4995 tlp_2114x_nway_get(sc, ifmr) 4996 struct tulip_softc *sc; 4997 struct ifmediareq *ifmr; 4998 { 4999 5000 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5001 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5002 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5003 } 5004 5005 int 5006 tlp_2114x_nway_set(sc) 5007 struct tulip_softc *sc; 5008 { 5009 5010 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5011 } 5012 5013 void 5014 tlp_2114x_nway_statchg(self) 5015 struct device *self; 5016 { 5017 struct tulip_softc *sc = (struct tulip_softc *)self; 5018 struct mii_data *mii = &sc->sc_mii; 5019 5020 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5021 return; 5022 5023 /* Idle the transmit and receive processes. */ 5024 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5025 5026 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5027 OPMODE_SCR|OPMODE_HBD); 5028 5029 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T) 5030 sc->sc_opmode |= OPMODE_TTM; 5031 else 5032 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5033 5034 if (mii->mii_media_active & IFM_FDX) 5035 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5036 5037 /* 5038 * Write new OPMODE bits. This also restarts the transmit 5039 * and receive processes. 5040 */ 5041 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5042 } 5043 5044 void 5045 tlp_2114x_nway_tick(arg) 5046 void *arg; 5047 { 5048 struct tulip_softc *sc = arg; 5049 struct mii_data *mii = &sc->sc_mii; 5050 int s, ticks; 5051 5052 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5053 return; 5054 5055 s = splnet(); 5056 tlp_2114x_nway_service(sc, MII_TICK); 5057 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5058 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5059 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5060 sc->sc_flags |= TULIPF_LINK_UP; 5061 tlp_start(&sc->sc_ethercom.ec_if); 5062 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5063 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5064 sc->sc_flags &= ~TULIPF_LINK_UP; 5065 } 5066 splx(s); 5067 5068 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5069 ticks = hz >> 3; 5070 else 5071 ticks = hz; 5072 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5073 } 5074 5075 /* 5076 * Support for the 2114X internal NWay block. This is constructed 5077 * somewhat like a PHY driver for simplicity. 5078 */ 5079 5080 int 5081 tlp_2114x_nway_service(sc, cmd) 5082 struct tulip_softc *sc; 5083 int cmd; 5084 { 5085 struct mii_data *mii = &sc->sc_mii; 5086 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5087 5088 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5089 return (0); 5090 5091 switch (cmd) { 5092 case MII_POLLSTAT: 5093 /* Nothing special to do here. */ 5094 break; 5095 5096 case MII_MEDIACHG: 5097 switch (IFM_SUBTYPE(ife->ifm_media)) { 5098 case IFM_AUTO: 5099 goto restart; 5100 default: 5101 /* Manual setting doesn't go through here. */ 5102 printf("tlp_2114x_nway_service: oops!\n"); 5103 return (EINVAL); 5104 } 5105 break; 5106 5107 case MII_TICK: 5108 /* 5109 * Only used for autonegotiation. 5110 */ 5111 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5112 break; 5113 5114 /* 5115 * Check to see if we have link. If we do, we don't 5116 * need to restart the autonegotiation process. 5117 */ 5118 #if 0 5119 if (mii->mii_media_status & IFM_ACTIVE) 5120 #else 5121 if (sc->sc_flags & TULIPF_LINK_UP) 5122 #endif 5123 break; 5124 5125 /* 5126 * Only retry autonegotiation every 5 seconds. 5127 */ 5128 if (++sc->sc_nway_ticks != (5 << 3)) 5129 break; 5130 5131 restart: 5132 sc->sc_nway_ticks = 0; 5133 ife->ifm_data = IFM_NONE; 5134 tlp_2114x_nway_auto(sc); 5135 break; 5136 } 5137 5138 /* Update the media status. */ 5139 tlp_2114x_nway_status(sc); 5140 5141 /* 5142 * Callback if something changed. Manually configuration goes through 5143 * tlp_sia_set() anyway, so ignore that here. 5144 */ 5145 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5146 ife->ifm_data != mii->mii_media_active) { 5147 (*sc->sc_statchg)(&sc->sc_dev); 5148 ife->ifm_data = mii->mii_media_active; 5149 } 5150 return (0); 5151 } 5152 5153 5154 #define TULIP_SET(sc, reg, x) \ 5155 TULIP_WRITE((sc), (reg), TULIP_READ((sc), (reg)) | (x)) 5156 5157 #define TULIP_CLR(sc, reg, x) \ 5158 TULIP_WRITE((sc), (reg), TULIP_READ((sc), (reg)) & ~(x)) 5159 5160 void 5161 tlp_2114x_nway_auto(sc) 5162 struct tulip_softc *sc; 5163 { 5164 uint32_t siastat; 5165 5166 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5167 5168 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_TTM); 5169 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5170 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5171 5172 TULIP_WRITE(sc, CSR_SIACONN, 0); 5173 delay(1000); 5174 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5175 5176 TULIP_WRITE(sc, CSR_SIATXRX, 0x3ffff); 5177 5178 siastat = TULIP_READ(sc, CSR_SIASTAT); 5179 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA|SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5180 siastat |= SIASTAT_ANS_TXDIS; 5181 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5182 } 5183 5184 void 5185 tlp_2114x_nway_status(sc) 5186 struct tulip_softc *sc; 5187 { 5188 struct mii_data *mii = &sc->sc_mii; 5189 uint32_t siatxrx, siastat, anlpar; 5190 5191 mii->mii_media_status = IFM_AVALID; 5192 mii->mii_media_active = IFM_ETHER; 5193 5194 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5195 return; 5196 5197 siastat = TULIP_READ(sc, CSR_SIASTAT); 5198 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5199 5200 if (siatxrx & SIATXRX_ANE) { 5201 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5202 /* Erg, still trying, I guess... */ 5203 mii->mii_media_active |= IFM_NONE; 5204 return; 5205 } 5206 5207 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5208 mii->mii_media_status |= IFM_ACTIVE; 5209 5210 if (siastat & SIASTAT_LPN) { 5211 anlpar = SIASTAT_GETLPC(siastat); 5212 if (anlpar & ANLPAR_T4 /* && 5213 sc->mii_capabilities & BMSR_100TXHDX */) 5214 mii->mii_media_active |= IFM_100_T4; 5215 else if (anlpar & ANLPAR_TX_FD /* && 5216 sc->mii_capabilities & BMSR_100TXFDX */) 5217 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5218 else if (anlpar & ANLPAR_TX /* && 5219 sc->mii_capabilities & BMSR_100TXHDX */) 5220 mii->mii_media_active |= IFM_100_TX; 5221 else if (anlpar & ANLPAR_10_FD) 5222 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5223 else if (anlpar & ANLPAR_10) 5224 mii->mii_media_active |= IFM_10_T; 5225 else 5226 mii->mii_media_active |= IFM_NONE; 5227 } else { 5228 /* 5229 * If the other side doesn't support NWAY, then the 5230 * best we can do is determine if we have a 10Mbps or 5231 * 100Mbps link. There's no way to know if the link 5232 * is full or half duplex, so we default to half duplex 5233 * and hope that the user is clever enough to manually 5234 * change the media settings if we're wrong. 5235 */ 5236 if ((siastat & SIASTAT_LS100) == 0) 5237 mii->mii_media_active |= IFM_100_TX; 5238 else if ((siastat & SIASTAT_LS10) == 0) 5239 mii->mii_media_active |= IFM_10_T; 5240 else 5241 mii->mii_media_active |= IFM_NONE; 5242 } 5243 } else { 5244 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5245 mii->mii_media_status |= IFM_ACTIVE; 5246 5247 if (sc->sc_opmode & OPMODE_TTM) 5248 mii->mii_media_active |= IFM_10_T; 5249 else 5250 mii->mii_media_active |= IFM_100_TX; 5251 if (sc->sc_opmode & OPMODE_FD) 5252 mii->mii_media_active |= IFM_FDX; 5253 } 5254 } 5255 5256 void 5257 tlp_2114x_isv_tmsw_get(sc, ifmr) 5258 struct tulip_softc *sc; 5259 struct ifmediareq *ifmr; 5260 { 5261 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5262 struct tulip_21x4x_media *tm = ife->ifm_aux; 5263 5264 (*tm->tm_get)(sc, ifmr); 5265 } 5266 5267 int 5268 tlp_2114x_isv_tmsw_set(sc) 5269 struct tulip_softc *sc; 5270 { 5271 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5272 struct tulip_21x4x_media *tm = ife->ifm_aux; 5273 5274 /* 5275 * Check to see if we need to reset the chip, and do it. The 5276 * reset path will get the OPMODE register right the next 5277 * time through. 5278 */ 5279 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5280 return (tlp_init(&sc->sc_ethercom.ec_if)); 5281 5282 return ((*tm->tm_set)(sc)); 5283 } 5284 5285 /* 5286 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5287 */ 5288 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5289 5290 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5291 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5292 }; 5293 5294 void 5295 tlp_sio_mii_tmsw_init(sc) 5296 struct tulip_softc *sc; 5297 { 5298 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5299 5300 /* 5301 * We don't attach any media info structures to the ifmedia 5302 * entries, so if we're using a pre-init function that needs 5303 * that info, override it to one that doesn't. 5304 */ 5305 if (sc->sc_preinit == tlp_2114x_preinit) 5306 sc->sc_preinit = tlp_2114x_mii_preinit; 5307 5308 sc->sc_mii.mii_ifp = ifp; 5309 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5310 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5311 sc->sc_mii.mii_statchg = sc->sc_statchg; 5312 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5313 tlp_mediastatus); 5314 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5315 MII_OFFSET_ANY, 0); 5316 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5317 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5318 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5319 } else { 5320 sc->sc_flags |= TULIPF_HAS_MII; 5321 sc->sc_tick = tlp_mii_tick; 5322 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5323 } 5324 } 5325 5326 /* 5327 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5328 */ 5329 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5330 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5331 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5332 5333 const struct tulip_mediasw tlp_pnic_mediasw = { 5334 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5335 }; 5336 5337 void tlp_pnic_nway_statchg __P((struct device *)); 5338 void tlp_pnic_nway_tick __P((void *)); 5339 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5340 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5341 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5342 void tlp_pnic_nway_auto_timeout __P((void *)); 5343 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5344 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5345 5346 void 5347 tlp_pnic_tmsw_init(sc) 5348 struct tulip_softc *sc; 5349 { 5350 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5351 const char *sep = ""; 5352 5353 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5354 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5355 5356 sc->sc_mii.mii_ifp = ifp; 5357 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5358 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5359 sc->sc_mii.mii_statchg = sc->sc_statchg; 5360 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5361 tlp_mediastatus); 5362 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5363 MII_OFFSET_ANY, 0); 5364 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5365 /* XXX What about AUI/BNC support? */ 5366 printf("%s: ", sc->sc_dev.dv_xname); 5367 5368 tlp_pnic_nway_reset(sc); 5369 5370 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5371 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5372 PRINT("10baseT"); 5373 5374 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5375 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5376 PRINT("10baseT-FDX"); 5377 5378 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5379 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5380 PRINT("100baseTX"); 5381 5382 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5383 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5384 PNIC_NWAY_CAP100TXFDX); 5385 PRINT("100baseTX-FDX"); 5386 5387 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5388 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5389 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5390 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5391 PRINT("auto"); 5392 5393 printf("\n"); 5394 5395 sc->sc_statchg = tlp_pnic_nway_statchg; 5396 sc->sc_tick = tlp_pnic_nway_tick; 5397 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5398 } else { 5399 sc->sc_flags |= TULIPF_HAS_MII; 5400 sc->sc_tick = tlp_mii_tick; 5401 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5402 } 5403 5404 #undef ADD 5405 #undef PRINT 5406 } 5407 5408 void 5409 tlp_pnic_tmsw_get(sc, ifmr) 5410 struct tulip_softc *sc; 5411 struct ifmediareq *ifmr; 5412 { 5413 struct mii_data *mii = &sc->sc_mii; 5414 5415 if (sc->sc_flags & TULIPF_HAS_MII) 5416 tlp_mii_getmedia(sc, ifmr); 5417 else { 5418 mii->mii_media_status = 0; 5419 mii->mii_media_active = IFM_NONE; 5420 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5421 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5422 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5423 } 5424 } 5425 5426 int 5427 tlp_pnic_tmsw_set(sc) 5428 struct tulip_softc *sc; 5429 { 5430 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5431 struct mii_data *mii = &sc->sc_mii; 5432 5433 if (sc->sc_flags & TULIPF_HAS_MII) { 5434 /* 5435 * Make sure the built-in Tx jabber timer is disabled. 5436 */ 5437 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5438 5439 return (tlp_mii_setmedia(sc)); 5440 } 5441 5442 if (ifp->if_flags & IFF_UP) { 5443 mii->mii_media_status = 0; 5444 mii->mii_media_active = IFM_NONE; 5445 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5446 } 5447 5448 return (0); 5449 } 5450 5451 void 5452 tlp_pnic_nway_statchg(self) 5453 struct device *self; 5454 { 5455 struct tulip_softc *sc = (struct tulip_softc *)self; 5456 5457 /* Idle the transmit and receive processes. */ 5458 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5459 5460 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5461 OPMODE_SCR|OPMODE_HBD); 5462 5463 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5464 sc->sc_opmode |= OPMODE_TTM; 5465 TULIP_WRITE(sc, CSR_GPP, 5466 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5467 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5468 } else { 5469 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5470 TULIP_WRITE(sc, CSR_GPP, 5471 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5472 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5473 } 5474 5475 if (sc->sc_mii.mii_media_active & IFM_FDX) 5476 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5477 5478 /* 5479 * Write new OPMODE bits. This also restarts the transmit 5480 * and receive processes. 5481 */ 5482 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5483 } 5484 5485 void 5486 tlp_pnic_nway_tick(arg) 5487 void *arg; 5488 { 5489 struct tulip_softc *sc = arg; 5490 int s; 5491 5492 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5493 return; 5494 5495 s = splnet(); 5496 tlp_pnic_nway_service(sc, MII_TICK); 5497 splx(s); 5498 5499 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5500 } 5501 5502 /* 5503 * Support for the Lite-On PNIC internal NWay block. This is constructed 5504 * somewhat like a PHY driver for simplicity. 5505 */ 5506 5507 int 5508 tlp_pnic_nway_service(sc, cmd) 5509 struct tulip_softc *sc; 5510 int cmd; 5511 { 5512 struct mii_data *mii = &sc->sc_mii; 5513 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5514 5515 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5516 return (0); 5517 5518 switch (cmd) { 5519 case MII_POLLSTAT: 5520 /* Nothing special to do here. */ 5521 break; 5522 5523 case MII_MEDIACHG: 5524 switch (IFM_SUBTYPE(ife->ifm_media)) { 5525 case IFM_AUTO: 5526 (void) tlp_pnic_nway_auto(sc, 1); 5527 break; 5528 case IFM_100_T4: 5529 /* 5530 * XXX Not supported as a manual setting right now. 5531 */ 5532 return (EINVAL); 5533 default: 5534 /* 5535 * NWAY register data is stored in the ifmedia entry. 5536 */ 5537 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5538 } 5539 break; 5540 5541 case MII_TICK: 5542 /* 5543 * Only used for autonegotiation. 5544 */ 5545 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5546 return (0); 5547 5548 /* 5549 * Check to see if we have link. If we do, we don't 5550 * need to restart the autonegotiation process. 5551 */ 5552 if (sc->sc_flags & TULIPF_LINK_UP) 5553 return (0); 5554 5555 /* 5556 * Only retry autonegotiation every 5 seconds. 5557 */ 5558 if (++sc->sc_nway_ticks != 5) 5559 return (0); 5560 5561 sc->sc_nway_ticks = 0; 5562 tlp_pnic_nway_reset(sc); 5563 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5564 return (0); 5565 break; 5566 } 5567 5568 /* Update the media status. */ 5569 tlp_pnic_nway_status(sc); 5570 5571 /* Callback if something changed. */ 5572 if ((sc->sc_nway_active == NULL || 5573 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5574 cmd == MII_MEDIACHG) { 5575 (*sc->sc_statchg)(&sc->sc_dev); 5576 tlp_nway_activate(sc, mii->mii_media_active); 5577 } 5578 return (0); 5579 } 5580 5581 void 5582 tlp_pnic_nway_reset(sc) 5583 struct tulip_softc *sc; 5584 { 5585 5586 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5587 delay(100); 5588 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5589 } 5590 5591 int 5592 tlp_pnic_nway_auto(sc, waitfor) 5593 struct tulip_softc *sc; 5594 int waitfor; 5595 { 5596 struct mii_data *mii = &sc->sc_mii; 5597 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5598 u_int32_t reg; 5599 int i; 5600 5601 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5602 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5603 5604 if (waitfor) { 5605 /* Wait 500ms for it to complete. */ 5606 for (i = 0; i < 500; i++) { 5607 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5608 if (reg & PNIC_NWAY_LPAR_MASK) { 5609 tlp_pnic_nway_acomp(sc); 5610 return (0); 5611 } 5612 delay(1000); 5613 } 5614 #if 0 5615 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5616 printf("%s: autonegotiation failed to complete\n", 5617 sc->sc_dev.dv_xname); 5618 #endif 5619 5620 /* 5621 * Don't need to worry about clearing DOINGAUTO. 5622 * If that's set, a timeout is pending, and it will 5623 * clear the flag. 5624 */ 5625 return (EIO); 5626 } 5627 5628 /* 5629 * Just let it finish asynchronously. This is for the benefit of 5630 * the tick handler driving autonegotiation. Don't want 500ms 5631 * delays all the time while the system is running! 5632 */ 5633 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5634 sc->sc_flags |= TULIPF_DOINGAUTO; 5635 callout_reset(&sc->sc_nway_callout, hz >> 1, 5636 tlp_pnic_nway_auto_timeout, sc); 5637 } 5638 return (EJUSTRETURN); 5639 } 5640 5641 void 5642 tlp_pnic_nway_auto_timeout(arg) 5643 void *arg; 5644 { 5645 struct tulip_softc *sc = arg; 5646 u_int32_t reg; 5647 int s; 5648 5649 s = splnet(); 5650 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5651 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5652 #if 0 5653 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5654 printf("%s: autonegotiation failed to complete\n", 5655 sc->sc_dev.dv_xname); 5656 #endif 5657 5658 tlp_pnic_nway_acomp(sc); 5659 5660 /* Update the media status. */ 5661 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5662 splx(s); 5663 } 5664 5665 void 5666 tlp_pnic_nway_status(sc) 5667 struct tulip_softc *sc; 5668 { 5669 struct mii_data *mii = &sc->sc_mii; 5670 u_int32_t reg; 5671 5672 mii->mii_media_status = IFM_AVALID; 5673 mii->mii_media_active = IFM_ETHER; 5674 5675 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5676 5677 if (sc->sc_flags & TULIPF_LINK_UP) 5678 mii->mii_media_status |= IFM_ACTIVE; 5679 5680 if (reg & PNIC_NWAY_NW) { 5681 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5682 /* Erg, still trying, I guess... */ 5683 mii->mii_media_active |= IFM_NONE; 5684 return; 5685 } 5686 5687 #if 0 5688 if (reg & PNIC_NWAY_LPAR100T4) 5689 mii->mii_media_active |= IFM_100_T4; 5690 else 5691 #endif 5692 if (reg & PNIC_NWAY_LPAR100TXFDX) 5693 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5694 else if (reg & PNIC_NWAY_LPAR100TX) 5695 mii->mii_media_active |= IFM_100_TX; 5696 else if (reg & PNIC_NWAY_LPAR10TFDX) 5697 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5698 else if (reg & PNIC_NWAY_LPAR10T) 5699 mii->mii_media_active |= IFM_10_T; 5700 else 5701 mii->mii_media_active |= IFM_NONE; 5702 } else { 5703 if (reg & PNIC_NWAY_100) 5704 mii->mii_media_active |= IFM_100_TX; 5705 else 5706 mii->mii_media_active |= IFM_10_T; 5707 if (reg & PNIC_NWAY_FD) 5708 mii->mii_media_active |= IFM_FDX; 5709 } 5710 } 5711 5712 void 5713 tlp_pnic_nway_acomp(sc) 5714 struct tulip_softc *sc; 5715 { 5716 u_int32_t reg; 5717 5718 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5719 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5720 5721 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5722 reg |= PNIC_NWAY_100; 5723 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5724 reg |= PNIC_NWAY_FD; 5725 5726 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5727 } 5728 5729 /* 5730 * Macronix PMAC and Lite-On PNIC-II media switch: 5731 * 5732 * MX98713 and MX98713A 21140-like MII or GPIO media. 5733 * 5734 * MX98713A 21143-like MII or SIA/SYM media. 5735 * 5736 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5737 * 82C115, MX98715AEC-C, -E 5738 * 5739 * So, what we do here is fake MII-on-SIO or ISV media info, and 5740 * use the ISV media switch get/set functions to handle the rest. 5741 */ 5742 5743 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5744 5745 const struct tulip_mediasw tlp_pmac_mediasw = { 5746 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5747 }; 5748 5749 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5750 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5751 }; 5752 5753 void 5754 tlp_pmac_tmsw_init(sc) 5755 struct tulip_softc *sc; 5756 { 5757 static const u_int8_t media[] = { 5758 TULIP_ROM_MB_MEDIA_TP, 5759 TULIP_ROM_MB_MEDIA_TP_FDX, 5760 TULIP_ROM_MB_MEDIA_100TX, 5761 TULIP_ROM_MB_MEDIA_100TX_FDX, 5762 }; 5763 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5764 struct tulip_21x4x_media *tm; 5765 5766 sc->sc_mii.mii_ifp = ifp; 5767 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5768 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5769 sc->sc_mii.mii_statchg = sc->sc_statchg; 5770 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5771 tlp_mediastatus); 5772 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5773 sc->sc_chip == TULIP_CHIP_MX98713A) { 5774 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5775 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5776 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5777 sc->sc_flags |= TULIPF_HAS_MII; 5778 sc->sc_tick = tlp_mii_tick; 5779 sc->sc_preinit = tlp_2114x_mii_preinit; 5780 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5781 ifmedia_set(&sc->sc_mii.mii_media, 5782 IFM_ETHER|IFM_AUTO); 5783 return; 5784 } 5785 } 5786 5787 switch (sc->sc_chip) { 5788 case TULIP_CHIP_MX98713: 5789 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5790 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5791 5792 /* 5793 * XXX Should implement auto-sense for this someday, 5794 * XXX when we do the same for the 21140. 5795 */ 5796 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5797 break; 5798 5799 default: 5800 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5801 tlp_sia_get, tlp_sia_set, media, 2); 5802 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5803 tlp_sia_get, tlp_sia_set, media + 2, 2); 5804 5805 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5806 tm->tm_name = "auto"; 5807 tm->tm_get = tlp_2114x_nway_get; 5808 tm->tm_set = tlp_2114x_nway_set; 5809 ifmedia_add(&sc->sc_mii.mii_media, 5810 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5811 5812 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5813 sc->sc_statchg = tlp_2114x_nway_statchg; 5814 sc->sc_tick = tlp_2114x_nway_tick; 5815 break; 5816 } 5817 5818 tlp_print_media(sc); 5819 tlp_sia_fixup(sc); 5820 5821 /* Set the LED modes. */ 5822 tlp_pmac_reset(sc); 5823 5824 sc->sc_reset = tlp_pmac_reset; 5825 } 5826 5827 /* 5828 * ADMtek AL981 media switch. Only has internal PHY. 5829 */ 5830 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5831 5832 const struct tulip_mediasw tlp_al981_mediasw = { 5833 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5834 }; 5835 5836 void 5837 tlp_al981_tmsw_init(sc) 5838 struct tulip_softc *sc; 5839 { 5840 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5841 5842 sc->sc_mii.mii_ifp = ifp; 5843 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5844 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5845 sc->sc_mii.mii_statchg = sc->sc_statchg; 5846 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5847 tlp_mediastatus); 5848 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5849 MII_OFFSET_ANY, 0); 5850 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5851 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5852 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5853 } else { 5854 sc->sc_flags |= TULIPF_HAS_MII; 5855 sc->sc_tick = tlp_mii_tick; 5856 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5857 } 5858 } 5859 5860 /* 5861 * ADMtek AN983/985 media switch. Only has internal PHY, but 5862 * on an SIO-like interface. Unfortunately, we can't use the 5863 * standard SIO media switch, because the AN985 "ghosts" the 5864 * singly PHY at every address. 5865 */ 5866 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5867 5868 const struct tulip_mediasw tlp_an985_mediasw = { 5869 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5870 }; 5871 5872 void 5873 tlp_an985_tmsw_init(sc) 5874 struct tulip_softc *sc; 5875 { 5876 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5877 5878 sc->sc_mii.mii_ifp = ifp; 5879 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5880 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5881 sc->sc_mii.mii_statchg = sc->sc_statchg; 5882 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5883 tlp_mediastatus); 5884 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5885 MII_OFFSET_ANY, 0); 5886 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5887 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5888 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5889 } else { 5890 sc->sc_flags |= TULIPF_HAS_MII; 5891 sc->sc_tick = tlp_mii_tick; 5892 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5893 } 5894 } 5895 5896 /* 5897 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5898 */ 5899 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5900 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5901 struct ifmediareq *)); 5902 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5903 5904 const struct tulip_mediasw tlp_dm9102_mediasw = { 5905 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5906 tlp_dm9102_tmsw_setmedia 5907 }; 5908 5909 void 5910 tlp_dm9102_tmsw_init(sc) 5911 struct tulip_softc *sc; 5912 { 5913 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5914 u_int32_t opmode; 5915 5916 sc->sc_mii.mii_ifp = ifp; 5917 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5918 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5919 sc->sc_mii.mii_statchg = sc->sc_statchg; 5920 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5921 tlp_mediastatus); 5922 5923 /* PHY block already reset via tlp_reset(). */ 5924 5925 /* 5926 * Configure OPMODE properly for the internal MII interface. 5927 */ 5928 switch (sc->sc_chip) { 5929 case TULIP_CHIP_DM9102: 5930 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5931 break; 5932 5933 case TULIP_CHIP_DM9102A: 5934 opmode = OPMODE_MBO|OPMODE_HBD; 5935 break; 5936 5937 default: 5938 /* Nothing. */ 5939 break; 5940 } 5941 5942 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5943 5944 /* Now, probe the internal MII for the internal PHY. */ 5945 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5946 MII_OFFSET_ANY, 0); 5947 5948 /* 5949 * XXX Figure out what to do about the HomePNA portion 5950 * XXX of the DM9102A. 5951 */ 5952 5953 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5954 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5955 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5956 } else { 5957 sc->sc_flags |= TULIPF_HAS_MII; 5958 sc->sc_tick = tlp_mii_tick; 5959 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5960 } 5961 } 5962 5963 void 5964 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5965 struct tulip_softc *sc; 5966 struct ifmediareq *ifmr; 5967 { 5968 5969 /* XXX HomePNA on DM9102A. */ 5970 tlp_mii_getmedia(sc, ifmr); 5971 } 5972 5973 int 5974 tlp_dm9102_tmsw_setmedia(sc) 5975 struct tulip_softc *sc; 5976 { 5977 5978 /* XXX HomePNA on DM9102A. */ 5979 return (tlp_mii_setmedia(sc)); 5980 } 5981