tulip.c revision 1.107
1 /* $NetBSD: tulip.c,v 1.107 2002/04/05 04:48:40 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.107 2002/04/05 04:48:40 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 #define tlp_mchash(addr, sz) \ 151 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 152 153 /* 154 * MII bit-bang glue. 155 */ 156 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 157 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 158 159 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 160 tlp_sio_mii_bitbang_read, 161 tlp_sio_mii_bitbang_write, 162 { 163 MIIROM_MDO, /* MII_BIT_MDO */ 164 MIIROM_MDI, /* MII_BIT_MDI */ 165 MIIROM_MDC, /* MII_BIT_MDC */ 166 0, /* MII_BIT_DIR_HOST_PHY */ 167 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 168 } 169 }; 170 171 #ifdef TLP_DEBUG 172 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 173 printf x 174 #else 175 #define DPRINTF(sc, x) /* nothing */ 176 #endif 177 178 #ifdef TLP_STATS 179 void tlp_print_stats __P((struct tulip_softc *)); 180 #endif 181 182 /* 183 * Can be used to debug the SROM-related things, including contents. 184 * Initialized so that it's patchable. 185 */ 186 int tlp_srom_debug = 0; 187 188 /* 189 * tlp_attach: 190 * 191 * Attach a Tulip interface to the system. 192 */ 193 void 194 tlp_attach(sc, enaddr) 195 struct tulip_softc *sc; 196 const u_int8_t *enaddr; 197 { 198 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 199 int i, error; 200 201 callout_init(&sc->sc_nway_callout); 202 callout_init(&sc->sc_tick_callout); 203 204 /* 205 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 206 */ 207 208 /* 209 * Setup the transmit threshold table. 210 */ 211 switch (sc->sc_chip) { 212 case TULIP_CHIP_DE425: 213 case TULIP_CHIP_21040: 214 case TULIP_CHIP_21041: 215 sc->sc_txth = tlp_10_txthresh_tab; 216 break; 217 218 case TULIP_CHIP_DM9102: 219 case TULIP_CHIP_DM9102A: 220 sc->sc_txth = tlp_dm9102_txthresh_tab; 221 break; 222 223 default: 224 sc->sc_txth = tlp_10_100_txthresh_tab; 225 break; 226 } 227 228 /* 229 * Setup the filter setup function. 230 */ 231 switch (sc->sc_chip) { 232 case TULIP_CHIP_WB89C840F: 233 sc->sc_filter_setup = tlp_winb_filter_setup; 234 break; 235 236 case TULIP_CHIP_AL981: 237 case TULIP_CHIP_AN983: 238 case TULIP_CHIP_AN985: 239 sc->sc_filter_setup = tlp_al981_filter_setup; 240 break; 241 242 default: 243 sc->sc_filter_setup = tlp_filter_setup; 244 break; 245 } 246 247 /* 248 * Set up the media status change function. 249 */ 250 switch (sc->sc_chip) { 251 case TULIP_CHIP_WB89C840F: 252 sc->sc_statchg = tlp_winb_mii_statchg; 253 break; 254 255 case TULIP_CHIP_DM9102: 256 case TULIP_CHIP_DM9102A: 257 sc->sc_statchg = tlp_dm9102_mii_statchg; 258 break; 259 260 default: 261 /* 262 * We may override this if we have special media 263 * handling requirements (e.g. flipping GPIO pins). 264 * 265 * The pure-MII statchg function covers the basics. 266 */ 267 sc->sc_statchg = tlp_mii_statchg; 268 break; 269 } 270 271 /* 272 * Default to no FS|LS in setup packet descriptors. They're 273 * supposed to be zero according to the 21040 and 21143 274 * manuals, and some chips fall over badly if they're 275 * included. Yet, other chips seem to require them. Sigh. 276 */ 277 switch (sc->sc_chip) { 278 case TULIP_CHIP_X3201_3: 279 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 280 break; 281 282 default: 283 sc->sc_setup_fsls = 0; 284 } 285 286 /* 287 * Set up various chip-specific quirks. 288 * 289 * Note that wherever we can, we use the "ring" option for 290 * transmit and receive descriptors. This is because some 291 * clone chips apparently have problems when using chaining, 292 * although some *only* support chaining. 293 * 294 * What we do is always program the "next" pointer, and then 295 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 296 * appropriate places. 297 */ 298 switch (sc->sc_chip) { 299 case TULIP_CHIP_21140: 300 case TULIP_CHIP_21140A: 301 case TULIP_CHIP_21142: 302 case TULIP_CHIP_21143: 303 case TULIP_CHIP_82C115: /* 21143-like */ 304 case TULIP_CHIP_MX98713: /* 21140-like */ 305 case TULIP_CHIP_MX98713A: /* 21143-like */ 306 case TULIP_CHIP_MX98715: /* 21143-like */ 307 case TULIP_CHIP_MX98715A: /* 21143-like */ 308 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 309 case TULIP_CHIP_MX98725: /* 21143-like */ 310 /* 311 * Run these chips in ring mode. 312 */ 313 sc->sc_tdctl_ch = 0; 314 sc->sc_tdctl_er = TDCTL_ER; 315 sc->sc_preinit = tlp_2114x_preinit; 316 break; 317 318 case TULIP_CHIP_82C168: 319 case TULIP_CHIP_82C169: 320 /* 321 * Run these chips in ring mode. 322 */ 323 sc->sc_tdctl_ch = 0; 324 sc->sc_tdctl_er = TDCTL_ER; 325 sc->sc_preinit = tlp_pnic_preinit; 326 327 /* 328 * These chips seem to have busted DMA engines; just put them 329 * in Store-and-Forward mode from the get-go. 330 */ 331 sc->sc_txthresh = TXTH_SF; 332 break; 333 334 case TULIP_CHIP_WB89C840F: 335 /* 336 * Run this chip in chained mode. 337 */ 338 sc->sc_tdctl_ch = TDCTL_CH; 339 sc->sc_tdctl_er = 0; 340 sc->sc_flags |= TULIPF_IC_FS; 341 break; 342 343 case TULIP_CHIP_DM9102: 344 case TULIP_CHIP_DM9102A: 345 /* 346 * Run these chips in chained mode. 347 */ 348 sc->sc_tdctl_ch = TDCTL_CH; 349 sc->sc_tdctl_er = 0; 350 sc->sc_preinit = tlp_dm9102_preinit; 351 352 /* 353 * These chips have a broken bus interface, so we 354 * can't use any optimized bus commands. For this 355 * reason, we tend to underrun pretty quickly, so 356 * just to Store-and-Forward mode from the get-go. 357 */ 358 sc->sc_txthresh = TXTH_DM9102_SF; 359 break; 360 361 default: 362 /* 363 * Default to running in ring mode. 364 */ 365 sc->sc_tdctl_ch = 0; 366 sc->sc_tdctl_er = TDCTL_ER; 367 } 368 369 /* 370 * Set up the MII bit-bang operations. 371 */ 372 switch (sc->sc_chip) { 373 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 374 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 375 break; 376 377 default: 378 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 379 } 380 381 SIMPLEQ_INIT(&sc->sc_txfreeq); 382 SIMPLEQ_INIT(&sc->sc_txdirtyq); 383 384 /* 385 * Allocate the control data structures, and create and load the 386 * DMA map for it. 387 */ 388 if ((error = bus_dmamem_alloc(sc->sc_dmat, 389 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 390 1, &sc->sc_cdnseg, 0)) != 0) { 391 printf("%s: unable to allocate control data, error = %d\n", 392 sc->sc_dev.dv_xname, error); 393 goto fail_0; 394 } 395 396 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 397 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 398 BUS_DMA_COHERENT)) != 0) { 399 printf("%s: unable to map control data, error = %d\n", 400 sc->sc_dev.dv_xname, error); 401 goto fail_1; 402 } 403 404 if ((error = bus_dmamap_create(sc->sc_dmat, 405 sizeof(struct tulip_control_data), 1, 406 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 407 printf("%s: unable to create control data DMA map, " 408 "error = %d\n", sc->sc_dev.dv_xname, error); 409 goto fail_2; 410 } 411 412 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 413 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 414 0)) != 0) { 415 printf("%s: unable to load control data DMA map, error = %d\n", 416 sc->sc_dev.dv_xname, error); 417 goto fail_3; 418 } 419 420 /* 421 * Create the transmit buffer DMA maps. 422 * 423 * Note that on the Xircom clone, transmit buffers must be 424 * 4-byte aligned. We're almost guaranteed to have to copy 425 * the packet in that case, so we just limit ourselves to 426 * one segment. 427 * 428 * On the DM9102, the transmit logic can only handle one 429 * DMA segment. 430 */ 431 switch (sc->sc_chip) { 432 case TULIP_CHIP_X3201_3: 433 case TULIP_CHIP_DM9102: 434 case TULIP_CHIP_DM9102A: 435 sc->sc_ntxsegs = 1; 436 break; 437 438 default: 439 sc->sc_ntxsegs = TULIP_NTXSEGS; 440 } 441 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 442 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 443 sc->sc_ntxsegs, MCLBYTES, 0, 0, 444 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 445 printf("%s: unable to create tx DMA map %d, " 446 "error = %d\n", sc->sc_dev.dv_xname, i, error); 447 goto fail_4; 448 } 449 } 450 451 /* 452 * Create the receive buffer DMA maps. 453 */ 454 for (i = 0; i < TULIP_NRXDESC; i++) { 455 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 456 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 457 printf("%s: unable to create rx DMA map %d, " 458 "error = %d\n", sc->sc_dev.dv_xname, i, error); 459 goto fail_5; 460 } 461 sc->sc_rxsoft[i].rxs_mbuf = NULL; 462 } 463 464 /* 465 * From this point forward, the attachment cannot fail. A failure 466 * before this point releases all resources that may have been 467 * allocated. 468 */ 469 sc->sc_flags |= TULIPF_ATTACHED; 470 471 /* 472 * Reset the chip to a known state. 473 */ 474 tlp_reset(sc); 475 476 /* Announce ourselves. */ 477 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 478 sc->sc_name[0] != '\0' ? sc->sc_name : "", 479 sc->sc_name[0] != '\0' ? ", " : "", 480 ether_sprintf(enaddr)); 481 482 /* 483 * Initialize our media structures. This may probe the MII, if 484 * present. 485 */ 486 (*sc->sc_mediasw->tmsw_init)(sc); 487 488 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 489 ifp->if_softc = sc; 490 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 491 ifp->if_ioctl = tlp_ioctl; 492 ifp->if_start = tlp_start; 493 ifp->if_watchdog = tlp_watchdog; 494 ifp->if_init = tlp_init; 495 ifp->if_stop = tlp_stop; 496 IFQ_SET_READY(&ifp->if_snd); 497 498 /* 499 * We can support 802.1Q VLAN-sized frames. 500 */ 501 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 502 503 /* 504 * Attach the interface. 505 */ 506 if_attach(ifp); 507 ether_ifattach(ifp, enaddr); 508 #if NRND > 0 509 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 510 RND_TYPE_NET, 0); 511 #endif 512 513 /* 514 * Make sure the interface is shutdown during reboot. 515 */ 516 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 517 if (sc->sc_sdhook == NULL) 518 printf("%s: WARNING: unable to establish shutdown hook\n", 519 sc->sc_dev.dv_xname); 520 521 /* 522 * Add a suspend hook to make sure we come back up after a 523 * resume. 524 */ 525 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 526 if (sc->sc_powerhook == NULL) 527 printf("%s: WARNING: unable to establish power hook\n", 528 sc->sc_dev.dv_xname); 529 return; 530 531 /* 532 * Free any resources we've allocated during the failed attach 533 * attempt. Do this in reverse order and fall through. 534 */ 535 fail_5: 536 for (i = 0; i < TULIP_NRXDESC; i++) { 537 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 538 bus_dmamap_destroy(sc->sc_dmat, 539 sc->sc_rxsoft[i].rxs_dmamap); 540 } 541 fail_4: 542 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 543 if (sc->sc_txsoft[i].txs_dmamap != NULL) 544 bus_dmamap_destroy(sc->sc_dmat, 545 sc->sc_txsoft[i].txs_dmamap); 546 } 547 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 548 fail_3: 549 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 550 fail_2: 551 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 552 sizeof(struct tulip_control_data)); 553 fail_1: 554 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 555 fail_0: 556 return; 557 } 558 559 /* 560 * tlp_activate: 561 * 562 * Handle device activation/deactivation requests. 563 */ 564 int 565 tlp_activate(self, act) 566 struct device *self; 567 enum devact act; 568 { 569 struct tulip_softc *sc = (void *) self; 570 int s, error = 0; 571 572 s = splnet(); 573 switch (act) { 574 case DVACT_ACTIVATE: 575 error = EOPNOTSUPP; 576 break; 577 578 case DVACT_DEACTIVATE: 579 if (sc->sc_flags & TULIPF_HAS_MII) 580 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 581 MII_OFFSET_ANY); 582 if_deactivate(&sc->sc_ethercom.ec_if); 583 break; 584 } 585 splx(s); 586 587 return (error); 588 } 589 590 /* 591 * tlp_detach: 592 * 593 * Detach a Tulip interface. 594 */ 595 int 596 tlp_detach(sc) 597 struct tulip_softc *sc; 598 { 599 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 600 struct tulip_rxsoft *rxs; 601 struct tulip_txsoft *txs; 602 int i; 603 604 /* 605 * Succeed now if there isn't any work to do. 606 */ 607 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 608 return (0); 609 610 /* Unhook our tick handler. */ 611 if (sc->sc_tick) 612 callout_stop(&sc->sc_tick_callout); 613 614 if (sc->sc_flags & TULIPF_HAS_MII) { 615 /* Detach all PHYs */ 616 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 617 } 618 619 /* Delete all remaining media. */ 620 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 621 622 #if NRND > 0 623 rnd_detach_source(&sc->sc_rnd_source); 624 #endif 625 ether_ifdetach(ifp); 626 if_detach(ifp); 627 628 for (i = 0; i < TULIP_NRXDESC; i++) { 629 rxs = &sc->sc_rxsoft[i]; 630 if (rxs->rxs_mbuf != NULL) { 631 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 632 m_freem(rxs->rxs_mbuf); 633 rxs->rxs_mbuf = NULL; 634 } 635 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 636 } 637 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 638 txs = &sc->sc_txsoft[i]; 639 if (txs->txs_mbuf != NULL) { 640 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 641 m_freem(txs->txs_mbuf); 642 txs->txs_mbuf = NULL; 643 } 644 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 645 } 646 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 647 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 648 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 649 sizeof(struct tulip_control_data)); 650 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 651 652 shutdownhook_disestablish(sc->sc_sdhook); 653 powerhook_disestablish(sc->sc_powerhook); 654 655 if (sc->sc_srom) 656 free(sc->sc_srom, M_DEVBUF); 657 658 return (0); 659 } 660 661 /* 662 * tlp_shutdown: 663 * 664 * Make sure the interface is stopped at reboot time. 665 */ 666 void 667 tlp_shutdown(arg) 668 void *arg; 669 { 670 struct tulip_softc *sc = arg; 671 672 tlp_stop(&sc->sc_ethercom.ec_if, 1); 673 } 674 675 /* 676 * tlp_start: [ifnet interface function] 677 * 678 * Start packet transmission on the interface. 679 */ 680 void 681 tlp_start(ifp) 682 struct ifnet *ifp; 683 { 684 struct tulip_softc *sc = ifp->if_softc; 685 struct mbuf *m0, *m; 686 struct tulip_txsoft *txs, *last_txs; 687 bus_dmamap_t dmamap; 688 int error, firsttx, nexttx, lasttx, ofree, seg; 689 690 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 691 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 692 693 /* 694 * If we want a filter setup, it means no more descriptors were 695 * available for the setup routine. Let it get a chance to wedge 696 * itself into the ring. 697 */ 698 if (sc->sc_flags & TULIPF_WANT_SETUP) 699 ifp->if_flags |= IFF_OACTIVE; 700 701 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 702 return; 703 704 /* 705 * Remember the previous number of free descriptors and 706 * the first descriptor we'll use. 707 */ 708 ofree = sc->sc_txfree; 709 firsttx = sc->sc_txnext; 710 711 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 712 sc->sc_dev.dv_xname, ofree, firsttx)); 713 714 /* 715 * Loop through the send queue, setting up transmit descriptors 716 * until we drain the queue, or use up all available transmit 717 * descriptors. 718 */ 719 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 720 sc->sc_txfree != 0) { 721 /* 722 * Grab a packet off the queue. 723 */ 724 IFQ_POLL(&ifp->if_snd, m0); 725 if (m0 == NULL) 726 break; 727 m = NULL; 728 729 dmamap = txs->txs_dmamap; 730 731 /* 732 * Load the DMA map. If this fails, the packet either 733 * didn't fit in the alloted number of segments, or we were 734 * short on resources. In this case, we'll copy and try 735 * again. 736 * 737 * Note that if we're only allowed 1 Tx segment, we 738 * have an alignment restriction. Do this test before 739 * attempting to load the DMA map, because it's more 740 * likely we'll trip the alignment test than the 741 * more-than-one-segment test. 742 */ 743 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 744 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 745 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 746 MGETHDR(m, M_DONTWAIT, MT_DATA); 747 if (m == NULL) { 748 printf("%s: unable to allocate Tx mbuf\n", 749 sc->sc_dev.dv_xname); 750 break; 751 } 752 if (m0->m_pkthdr.len > MHLEN) { 753 MCLGET(m, M_DONTWAIT); 754 if ((m->m_flags & M_EXT) == 0) { 755 printf("%s: unable to allocate Tx " 756 "cluster\n", sc->sc_dev.dv_xname); 757 m_freem(m); 758 break; 759 } 760 } 761 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 762 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 763 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 764 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 765 if (error) { 766 printf("%s: unable to load Tx buffer, " 767 "error = %d\n", sc->sc_dev.dv_xname, error); 768 break; 769 } 770 } 771 772 /* 773 * Ensure we have enough descriptors free to describe 774 * the packet. 775 */ 776 if (dmamap->dm_nsegs > sc->sc_txfree) { 777 /* 778 * Not enough free descriptors to transmit this 779 * packet. We haven't committed to anything yet, 780 * so just unload the DMA map, put the packet 781 * back on the queue, and punt. Notify the upper 782 * layer that there are no more slots left. 783 * 784 * XXX We could allocate an mbuf and copy, but 785 * XXX it is worth it? 786 */ 787 ifp->if_flags |= IFF_OACTIVE; 788 bus_dmamap_unload(sc->sc_dmat, dmamap); 789 if (m != NULL) 790 m_freem(m); 791 break; 792 } 793 794 IFQ_DEQUEUE(&ifp->if_snd, m0); 795 if (m != NULL) { 796 m_freem(m0); 797 m0 = m; 798 } 799 800 /* 801 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 802 */ 803 804 /* Sync the DMA map. */ 805 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 806 BUS_DMASYNC_PREWRITE); 807 808 /* 809 * Initialize the transmit descriptors. 810 */ 811 for (nexttx = sc->sc_txnext, seg = 0; 812 seg < dmamap->dm_nsegs; 813 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 814 /* 815 * If this is the first descriptor we're 816 * enqueueing, don't set the OWN bit just 817 * yet. That could cause a race condition. 818 * We'll do it below. 819 */ 820 sc->sc_txdescs[nexttx].td_status = 821 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 822 sc->sc_txdescs[nexttx].td_bufaddr1 = 823 htole32(dmamap->dm_segs[seg].ds_addr); 824 sc->sc_txdescs[nexttx].td_ctl = 825 htole32((dmamap->dm_segs[seg].ds_len << 826 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 827 (nexttx == (TULIP_NTXDESC - 1) ? 828 sc->sc_tdctl_er : 0)); 829 lasttx = nexttx; 830 } 831 832 /* Set `first segment' and `last segment' appropriately. */ 833 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 834 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 835 836 #ifdef TLP_DEBUG 837 if (ifp->if_flags & IFF_DEBUG) { 838 printf(" txsoft %p transmit chain:\n", txs); 839 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 840 printf(" descriptor %d:\n", seg); 841 printf(" td_status: 0x%08x\n", 842 le32toh(sc->sc_txdescs[seg].td_status)); 843 printf(" td_ctl: 0x%08x\n", 844 le32toh(sc->sc_txdescs[seg].td_ctl)); 845 printf(" td_bufaddr1: 0x%08x\n", 846 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 847 printf(" td_bufaddr2: 0x%08x\n", 848 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 849 if (seg == lasttx) 850 break; 851 } 852 } 853 #endif 854 855 /* Sync the descriptors we're using. */ 856 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 857 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 858 859 /* 860 * Store a pointer to the packet so we can free it later, 861 * and remember what txdirty will be once the packet is 862 * done. 863 */ 864 txs->txs_mbuf = m0; 865 txs->txs_firstdesc = sc->sc_txnext; 866 txs->txs_lastdesc = lasttx; 867 txs->txs_ndescs = dmamap->dm_nsegs; 868 869 /* Advance the tx pointer. */ 870 sc->sc_txfree -= dmamap->dm_nsegs; 871 sc->sc_txnext = nexttx; 872 873 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 874 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 875 876 last_txs = txs; 877 878 #if NBPFILTER > 0 879 /* 880 * Pass the packet to any BPF listeners. 881 */ 882 if (ifp->if_bpf) 883 bpf_mtap(ifp->if_bpf, m0); 884 #endif /* NBPFILTER > 0 */ 885 } 886 887 if (txs == NULL || sc->sc_txfree == 0) { 888 /* No more slots left; notify upper layer. */ 889 ifp->if_flags |= IFF_OACTIVE; 890 } 891 892 if (sc->sc_txfree != ofree) { 893 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 894 sc->sc_dev.dv_xname, lasttx, firsttx)); 895 /* 896 * Cause a transmit interrupt to happen on the 897 * last packet we enqueued. 898 */ 899 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 900 TULIP_CDTXSYNC(sc, lasttx, 1, 901 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 902 903 /* 904 * Some clone chips want IC on the *first* segment in 905 * the packet. Appease them. 906 */ 907 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 908 last_txs->txs_firstdesc != lasttx) { 909 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 910 htole32(TDCTL_Tx_IC); 911 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 912 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 913 } 914 915 /* 916 * The entire packet chain is set up. Give the 917 * first descriptor to the chip now. 918 */ 919 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 920 TULIP_CDTXSYNC(sc, firsttx, 1, 921 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 922 923 /* Wake up the transmitter. */ 924 /* XXX USE AUTOPOLLING? */ 925 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 926 927 /* Set a watchdog timer in case the chip flakes out. */ 928 ifp->if_timer = 5; 929 } 930 } 931 932 /* 933 * tlp_watchdog: [ifnet interface function] 934 * 935 * Watchdog timer handler. 936 */ 937 void 938 tlp_watchdog(ifp) 939 struct ifnet *ifp; 940 { 941 struct tulip_softc *sc = ifp->if_softc; 942 int doing_setup, doing_transmit; 943 944 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 945 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 946 947 if (doing_setup && doing_transmit) { 948 printf("%s: filter setup and transmit timeout\n", 949 sc->sc_dev.dv_xname); 950 ifp->if_oerrors++; 951 } else if (doing_transmit) { 952 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 953 ifp->if_oerrors++; 954 } else if (doing_setup) 955 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 956 else 957 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 958 959 (void) tlp_init(ifp); 960 961 /* Try to get more packets going. */ 962 tlp_start(ifp); 963 } 964 965 /* 966 * tlp_ioctl: [ifnet interface function] 967 * 968 * Handle control requests from the operator. 969 */ 970 int 971 tlp_ioctl(ifp, cmd, data) 972 struct ifnet *ifp; 973 u_long cmd; 974 caddr_t data; 975 { 976 struct tulip_softc *sc = ifp->if_softc; 977 struct ifreq *ifr = (struct ifreq *)data; 978 int s, error; 979 980 s = splnet(); 981 982 switch (cmd) { 983 case SIOCSIFMEDIA: 984 case SIOCGIFMEDIA: 985 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 986 break; 987 988 default: 989 error = ether_ioctl(ifp, cmd, data); 990 if (error == ENETRESET) { 991 if (TULIP_IS_ENABLED(sc)) { 992 /* 993 * Multicast list has changed. Set the 994 * hardware filter accordingly. 995 */ 996 (*sc->sc_filter_setup)(sc); 997 } 998 error = 0; 999 } 1000 break; 1001 } 1002 1003 /* Try to get more packets going. */ 1004 if (TULIP_IS_ENABLED(sc)) 1005 tlp_start(ifp); 1006 1007 splx(s); 1008 return (error); 1009 } 1010 1011 /* 1012 * tlp_intr: 1013 * 1014 * Interrupt service routine. 1015 */ 1016 int 1017 tlp_intr(arg) 1018 void *arg; 1019 { 1020 struct tulip_softc *sc = arg; 1021 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1022 u_int32_t status, rxstatus, txstatus; 1023 int handled = 0, txthresh; 1024 1025 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1026 1027 #ifdef DEBUG 1028 if (TULIP_IS_ENABLED(sc) == 0) 1029 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1030 #endif 1031 1032 /* 1033 * If the interface isn't running, the interrupt couldn't 1034 * possibly have come from us. 1035 */ 1036 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1037 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1038 return (0); 1039 1040 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1041 switch (sc->sc_chip) { 1042 case TULIP_CHIP_DM9102: 1043 case TULIP_CHIP_DM9102A: 1044 TULIP_WRITE(sc, CSR_INTEN, 0); 1045 break; 1046 1047 default: 1048 /* Nothing. */ 1049 break; 1050 } 1051 1052 for (;;) { 1053 status = TULIP_READ(sc, CSR_STATUS); 1054 if (status) 1055 TULIP_WRITE(sc, CSR_STATUS, status); 1056 1057 if ((status & sc->sc_inten) == 0) 1058 break; 1059 1060 handled = 1; 1061 1062 rxstatus = status & sc->sc_rxint_mask; 1063 txstatus = status & sc->sc_txint_mask; 1064 1065 if (rxstatus) { 1066 /* Grab new any new packets. */ 1067 tlp_rxintr(sc); 1068 1069 if (rxstatus & STATUS_RWT) 1070 printf("%s: receive watchdog timeout\n", 1071 sc->sc_dev.dv_xname); 1072 1073 if (rxstatus & STATUS_RU) { 1074 printf("%s: receive ring overrun\n", 1075 sc->sc_dev.dv_xname); 1076 /* Get the receive process going again. */ 1077 if (sc->sc_tdctl_er != TDCTL_ER) { 1078 tlp_idle(sc, OPMODE_SR); 1079 TULIP_WRITE(sc, CSR_RXLIST, 1080 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1081 TULIP_WRITE(sc, CSR_OPMODE, 1082 sc->sc_opmode); 1083 } 1084 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1085 break; 1086 } 1087 } 1088 1089 if (txstatus) { 1090 /* Sweep up transmit descriptors. */ 1091 tlp_txintr(sc); 1092 1093 if (txstatus & STATUS_TJT) 1094 printf("%s: transmit jabber timeout\n", 1095 sc->sc_dev.dv_xname); 1096 1097 if (txstatus & STATUS_UNF) { 1098 /* 1099 * Increase our transmit threshold if 1100 * another is available. 1101 */ 1102 txthresh = sc->sc_txthresh + 1; 1103 if (sc->sc_txth[txthresh].txth_name != NULL) { 1104 /* Idle the transmit process. */ 1105 tlp_idle(sc, OPMODE_ST); 1106 1107 sc->sc_txthresh = txthresh; 1108 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1109 sc->sc_opmode |= 1110 sc->sc_txth[txthresh].txth_opmode; 1111 printf("%s: transmit underrun; new " 1112 "threshold: %s\n", 1113 sc->sc_dev.dv_xname, 1114 sc->sc_txth[txthresh].txth_name); 1115 1116 /* 1117 * Set the new threshold and restart 1118 * the transmit process. 1119 */ 1120 TULIP_WRITE(sc, CSR_OPMODE, 1121 sc->sc_opmode); 1122 } 1123 /* 1124 * XXX Log every Nth underrun from 1125 * XXX now on? 1126 */ 1127 } 1128 } 1129 1130 if (status & (STATUS_TPS|STATUS_RPS)) { 1131 if (status & STATUS_TPS) 1132 printf("%s: transmit process stopped\n", 1133 sc->sc_dev.dv_xname); 1134 if (status & STATUS_RPS) 1135 printf("%s: receive process stopped\n", 1136 sc->sc_dev.dv_xname); 1137 (void) tlp_init(ifp); 1138 break; 1139 } 1140 1141 if (status & STATUS_SE) { 1142 const char *str; 1143 switch (status & STATUS_EB) { 1144 case STATUS_EB_PARITY: 1145 str = "parity error"; 1146 break; 1147 1148 case STATUS_EB_MABT: 1149 str = "master abort"; 1150 break; 1151 1152 case STATUS_EB_TABT: 1153 str = "target abort"; 1154 break; 1155 1156 default: 1157 str = "unknown error"; 1158 break; 1159 } 1160 printf("%s: fatal system error: %s\n", 1161 sc->sc_dev.dv_xname, str); 1162 (void) tlp_init(ifp); 1163 break; 1164 } 1165 1166 /* 1167 * Not handled: 1168 * 1169 * Transmit buffer unavailable -- normal 1170 * condition, nothing to do, really. 1171 * 1172 * General purpose timer experied -- we don't 1173 * use the general purpose timer. 1174 * 1175 * Early receive interrupt -- not available on 1176 * all chips, we just use RI. We also only 1177 * use single-segment receive DMA, so this 1178 * is mostly useless. 1179 */ 1180 } 1181 1182 /* Bring interrupts back up on the DM9102. */ 1183 switch (sc->sc_chip) { 1184 case TULIP_CHIP_DM9102: 1185 case TULIP_CHIP_DM9102A: 1186 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1187 break; 1188 1189 default: 1190 /* Nothing. */ 1191 break; 1192 } 1193 1194 /* Try to get more packets going. */ 1195 tlp_start(ifp); 1196 1197 #if NRND > 0 1198 if (handled) 1199 rnd_add_uint32(&sc->sc_rnd_source, status); 1200 #endif 1201 return (handled); 1202 } 1203 1204 /* 1205 * tlp_rxintr: 1206 * 1207 * Helper; handle receive interrupts. 1208 */ 1209 void 1210 tlp_rxintr(sc) 1211 struct tulip_softc *sc; 1212 { 1213 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1214 struct ether_header *eh; 1215 struct tulip_rxsoft *rxs; 1216 struct mbuf *m; 1217 u_int32_t rxstat; 1218 int i, len; 1219 1220 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1221 rxs = &sc->sc_rxsoft[i]; 1222 1223 TULIP_CDRXSYNC(sc, i, 1224 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1225 1226 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1227 1228 if (rxstat & TDSTAT_OWN) { 1229 /* 1230 * We have processed all of the receive buffers. 1231 */ 1232 break; 1233 } 1234 1235 /* 1236 * Make sure the packet fit in one buffer. This should 1237 * always be the case. But the Lite-On PNIC, rev 33 1238 * has an awful receive engine bug, which may require 1239 * a very icky work-around. 1240 */ 1241 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1242 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1243 printf("%s: incoming packet spilled, resetting\n", 1244 sc->sc_dev.dv_xname); 1245 (void) tlp_init(ifp); 1246 return; 1247 } 1248 1249 /* 1250 * If any collisions were seen on the wire, count one. 1251 */ 1252 if (rxstat & TDSTAT_Rx_CS) 1253 ifp->if_collisions++; 1254 1255 /* 1256 * If an error occurred, update stats, clear the status 1257 * word, and leave the packet buffer in place. It will 1258 * simply be reused the next time the ring comes around. 1259 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1260 * error. 1261 */ 1262 if (rxstat & TDSTAT_ES && 1263 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1264 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1265 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1266 #define PRINTERR(bit, str) \ 1267 if (rxstat & (bit)) \ 1268 printf("%s: receive error: %s\n", \ 1269 sc->sc_dev.dv_xname, str) 1270 ifp->if_ierrors++; 1271 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1272 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1273 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1274 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1275 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1276 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1277 #undef PRINTERR 1278 TULIP_INIT_RXDESC(sc, i); 1279 continue; 1280 } 1281 1282 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1283 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1284 1285 /* 1286 * No errors; receive the packet. Note the Tulip 1287 * includes the CRC with every packet. 1288 */ 1289 len = TDSTAT_Rx_LENGTH(rxstat); 1290 1291 #ifdef __NO_STRICT_ALIGNMENT 1292 /* 1293 * Allocate a new mbuf cluster. If that fails, we are 1294 * out of memory, and must drop the packet and recycle 1295 * the buffer that's already attached to this descriptor. 1296 */ 1297 m = rxs->rxs_mbuf; 1298 if (tlp_add_rxbuf(sc, i) != 0) { 1299 ifp->if_ierrors++; 1300 TULIP_INIT_RXDESC(sc, i); 1301 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1302 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1303 continue; 1304 } 1305 #else 1306 /* 1307 * The Tulip's receive buffers must be 4-byte aligned. 1308 * But this means that the data after the Ethernet header 1309 * is misaligned. We must allocate a new buffer and 1310 * copy the data, shifted forward 2 bytes. 1311 */ 1312 MGETHDR(m, M_DONTWAIT, MT_DATA); 1313 if (m == NULL) { 1314 dropit: 1315 ifp->if_ierrors++; 1316 TULIP_INIT_RXDESC(sc, i); 1317 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1318 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1319 continue; 1320 } 1321 if (len > (MHLEN - 2)) { 1322 MCLGET(m, M_DONTWAIT); 1323 if ((m->m_flags & M_EXT) == 0) { 1324 m_freem(m); 1325 goto dropit; 1326 } 1327 } 1328 m->m_data += 2; 1329 1330 /* 1331 * Note that we use clusters for incoming frames, so the 1332 * buffer is virtually contiguous. 1333 */ 1334 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1335 1336 /* Allow the receive descriptor to continue using its mbuf. */ 1337 TULIP_INIT_RXDESC(sc, i); 1338 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1339 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1340 #endif /* __NO_STRICT_ALIGNMENT */ 1341 1342 ifp->if_ipackets++; 1343 eh = mtod(m, struct ether_header *); 1344 m->m_flags |= M_HASFCS; 1345 m->m_pkthdr.rcvif = ifp; 1346 m->m_pkthdr.len = m->m_len = len; 1347 1348 #if NBPFILTER > 0 1349 /* 1350 * Pass this up to any BPF listeners, but only 1351 * pass it up the stack if its for us. 1352 */ 1353 if (ifp->if_bpf) 1354 bpf_mtap(ifp->if_bpf, m); 1355 #endif /* NPBFILTER > 0 */ 1356 1357 /* 1358 * We sometimes have to run the 21140 in Hash-Only 1359 * mode. If we're in that mode, and not in promiscuous 1360 * mode, and we have a unicast packet that isn't for 1361 * us, then drop it. 1362 */ 1363 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1364 (ifp->if_flags & IFF_PROMISC) == 0 && 1365 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1366 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1367 ETHER_ADDR_LEN) != 0) { 1368 m_freem(m); 1369 continue; 1370 } 1371 1372 /* Pass it on. */ 1373 (*ifp->if_input)(ifp, m); 1374 } 1375 1376 /* Update the receive pointer. */ 1377 sc->sc_rxptr = i; 1378 } 1379 1380 /* 1381 * tlp_txintr: 1382 * 1383 * Helper; handle transmit interrupts. 1384 */ 1385 void 1386 tlp_txintr(sc) 1387 struct tulip_softc *sc; 1388 { 1389 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1390 struct tulip_txsoft *txs; 1391 u_int32_t txstat; 1392 1393 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1394 sc->sc_dev.dv_xname, sc->sc_flags)); 1395 1396 ifp->if_flags &= ~IFF_OACTIVE; 1397 1398 /* 1399 * Go through our Tx list and free mbufs for those 1400 * frames that have been transmitted. 1401 */ 1402 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1403 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1404 txs->txs_ndescs, 1405 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1406 1407 #ifdef TLP_DEBUG 1408 if (ifp->if_flags & IFF_DEBUG) { 1409 int i; 1410 printf(" txsoft %p transmit chain:\n", txs); 1411 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1412 printf(" descriptor %d:\n", i); 1413 printf(" td_status: 0x%08x\n", 1414 le32toh(sc->sc_txdescs[i].td_status)); 1415 printf(" td_ctl: 0x%08x\n", 1416 le32toh(sc->sc_txdescs[i].td_ctl)); 1417 printf(" td_bufaddr1: 0x%08x\n", 1418 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1419 printf(" td_bufaddr2: 0x%08x\n", 1420 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1421 if (i == txs->txs_lastdesc) 1422 break; 1423 } 1424 } 1425 #endif 1426 1427 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1428 if (txstat & TDSTAT_OWN) 1429 break; 1430 1431 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1432 1433 sc->sc_txfree += txs->txs_ndescs; 1434 1435 if (txs->txs_mbuf == NULL) { 1436 /* 1437 * If we didn't have an mbuf, it was the setup 1438 * packet. 1439 */ 1440 #ifdef DIAGNOSTIC 1441 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1442 panic("tlp_txintr: null mbuf, not doing setup"); 1443 #endif 1444 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1445 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1446 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1447 continue; 1448 } 1449 1450 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1451 0, txs->txs_dmamap->dm_mapsize, 1452 BUS_DMASYNC_POSTWRITE); 1453 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1454 m_freem(txs->txs_mbuf); 1455 txs->txs_mbuf = NULL; 1456 1457 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1458 1459 /* 1460 * Check for errors and collisions. 1461 */ 1462 #ifdef TLP_STATS 1463 if (txstat & TDSTAT_Tx_UF) 1464 sc->sc_stats.ts_tx_uf++; 1465 if (txstat & TDSTAT_Tx_TO) 1466 sc->sc_stats.ts_tx_to++; 1467 if (txstat & TDSTAT_Tx_EC) 1468 sc->sc_stats.ts_tx_ec++; 1469 if (txstat & TDSTAT_Tx_LC) 1470 sc->sc_stats.ts_tx_lc++; 1471 #endif 1472 1473 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1474 ifp->if_oerrors++; 1475 1476 if (txstat & TDSTAT_Tx_EC) 1477 ifp->if_collisions += 16; 1478 else 1479 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1480 if (txstat & TDSTAT_Tx_LC) 1481 ifp->if_collisions++; 1482 1483 ifp->if_opackets++; 1484 } 1485 1486 /* 1487 * If there are no more pending transmissions, cancel the watchdog 1488 * timer. 1489 */ 1490 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1491 ifp->if_timer = 0; 1492 1493 /* 1494 * If we have a receive filter setup pending, do it now. 1495 */ 1496 if (sc->sc_flags & TULIPF_WANT_SETUP) 1497 (*sc->sc_filter_setup)(sc); 1498 } 1499 1500 #ifdef TLP_STATS 1501 void 1502 tlp_print_stats(sc) 1503 struct tulip_softc *sc; 1504 { 1505 1506 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1507 sc->sc_dev.dv_xname, 1508 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1509 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1510 } 1511 #endif 1512 1513 /* 1514 * tlp_reset: 1515 * 1516 * Perform a soft reset on the Tulip. 1517 */ 1518 void 1519 tlp_reset(sc) 1520 struct tulip_softc *sc; 1521 { 1522 int i; 1523 1524 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1525 1526 /* 1527 * Xircom clone doesn't bring itself out of reset automatically. 1528 * Instead, we have to wait at least 50 PCI cycles, and then 1529 * clear SWR. 1530 */ 1531 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1532 delay(10); 1533 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1534 } 1535 1536 for (i = 0; i < 1000; i++) { 1537 /* 1538 * Wait at least 50 PCI cycles for the reset to 1539 * complete before peeking at the Tulip again. 1540 * 10 uSec is a bit longer than 50 PCI cycles 1541 * (at 33MHz), but it doesn't hurt have the extra 1542 * wait. 1543 */ 1544 delay(10); 1545 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1546 break; 1547 } 1548 1549 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1550 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1551 1552 delay(1000); 1553 1554 /* 1555 * If the board has any GPIO reset sequences to issue, do them now. 1556 */ 1557 if (sc->sc_reset != NULL) 1558 (*sc->sc_reset)(sc); 1559 } 1560 1561 /* 1562 * tlp_init: [ ifnet interface function ] 1563 * 1564 * Initialize the interface. Must be called at splnet(). 1565 */ 1566 int 1567 tlp_init(ifp) 1568 struct ifnet *ifp; 1569 { 1570 struct tulip_softc *sc = ifp->if_softc; 1571 struct tulip_txsoft *txs; 1572 struct tulip_rxsoft *rxs; 1573 int i, error = 0; 1574 1575 if ((error = tlp_enable(sc)) != 0) 1576 goto out; 1577 1578 /* 1579 * Cancel any pending I/O. 1580 */ 1581 tlp_stop(ifp, 0); 1582 1583 /* 1584 * Initialize `opmode' to 0, and call the pre-init routine, if 1585 * any. This is required because the 2114x and some of the 1586 * clones require that the media-related bits in `opmode' be 1587 * set before performing a soft-reset in order to get internal 1588 * chip pathways are correct. Yay! 1589 */ 1590 sc->sc_opmode = 0; 1591 if (sc->sc_preinit != NULL) 1592 (*sc->sc_preinit)(sc); 1593 1594 /* 1595 * Reset the Tulip to a known state. 1596 */ 1597 tlp_reset(sc); 1598 1599 /* 1600 * Initialize the BUSMODE register. 1601 */ 1602 sc->sc_busmode = BUSMODE_BAR; 1603 switch (sc->sc_chip) { 1604 case TULIP_CHIP_21140: 1605 case TULIP_CHIP_21140A: 1606 case TULIP_CHIP_21142: 1607 case TULIP_CHIP_21143: 1608 case TULIP_CHIP_82C115: 1609 case TULIP_CHIP_MX98725: 1610 /* 1611 * If we're allowed to do so, use Memory Read Line 1612 * and Memory Read Multiple. 1613 * 1614 * XXX Should we use Memory Write and Invalidate? 1615 */ 1616 if (sc->sc_flags & TULIPF_MRL) 1617 sc->sc_busmode |= BUSMODE_RLE; 1618 if (sc->sc_flags & TULIPF_MRM) 1619 sc->sc_busmode |= BUSMODE_RME; 1620 #if 0 1621 if (sc->sc_flags & TULIPF_MWI) 1622 sc->sc_busmode |= BUSMODE_WLE; 1623 #endif 1624 break; 1625 1626 case TULIP_CHIP_82C168: 1627 case TULIP_CHIP_82C169: 1628 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1629 if (sc->sc_maxburst == 0) 1630 sc->sc_maxburst = 16; 1631 break; 1632 1633 default: 1634 /* Nothing. */ 1635 break; 1636 } 1637 switch (sc->sc_cacheline) { 1638 default: 1639 /* 1640 * Note: We must *always* set these bits; a cache 1641 * alignment of 0 is RESERVED. 1642 */ 1643 case 8: 1644 sc->sc_busmode |= BUSMODE_CAL_8LW; 1645 break; 1646 case 16: 1647 sc->sc_busmode |= BUSMODE_CAL_16LW; 1648 break; 1649 case 32: 1650 sc->sc_busmode |= BUSMODE_CAL_32LW; 1651 break; 1652 } 1653 switch (sc->sc_maxburst) { 1654 case 1: 1655 sc->sc_busmode |= BUSMODE_PBL_1LW; 1656 break; 1657 case 2: 1658 sc->sc_busmode |= BUSMODE_PBL_2LW; 1659 break; 1660 case 4: 1661 sc->sc_busmode |= BUSMODE_PBL_4LW; 1662 break; 1663 case 8: 1664 sc->sc_busmode |= BUSMODE_PBL_8LW; 1665 break; 1666 case 16: 1667 sc->sc_busmode |= BUSMODE_PBL_16LW; 1668 break; 1669 case 32: 1670 sc->sc_busmode |= BUSMODE_PBL_32LW; 1671 break; 1672 default: 1673 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1674 break; 1675 } 1676 #if BYTE_ORDER == BIG_ENDIAN 1677 /* 1678 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1679 * support them, and even on ones that do, it doesn't 1680 * always work. So we always access descriptors with 1681 * little endian via htole32/le32toh. 1682 */ 1683 #endif 1684 /* 1685 * Big-endian bus requires BUSMODE_BLE anyway. 1686 * Also, BUSMODE_DBO is needed because we assume 1687 * descriptors are little endian. 1688 */ 1689 if (sc->sc_flags & TULIPF_BLE) 1690 sc->sc_busmode |= BUSMODE_BLE; 1691 if (sc->sc_flags & TULIPF_DBO) 1692 sc->sc_busmode |= BUSMODE_DBO; 1693 1694 /* 1695 * Some chips have a broken bus interface. 1696 */ 1697 switch (sc->sc_chip) { 1698 case TULIP_CHIP_DM9102: 1699 case TULIP_CHIP_DM9102A: 1700 sc->sc_busmode = 0; 1701 break; 1702 1703 default: 1704 /* Nothing. */ 1705 break; 1706 } 1707 1708 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1709 1710 /* 1711 * Initialize the OPMODE register. We don't write it until 1712 * we're ready to begin the transmit and receive processes. 1713 * 1714 * Media-related OPMODE bits are set in the media callbacks 1715 * for each specific chip/board. 1716 */ 1717 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1718 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1719 1720 /* 1721 * Magical mystery initialization on the Macronix chips. 1722 * The MX98713 uses its own magic value, the rest share 1723 * a common one. 1724 */ 1725 switch (sc->sc_chip) { 1726 case TULIP_CHIP_MX98713: 1727 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1728 break; 1729 1730 case TULIP_CHIP_MX98713A: 1731 case TULIP_CHIP_MX98715: 1732 case TULIP_CHIP_MX98715A: 1733 case TULIP_CHIP_MX98715AEC_X: 1734 case TULIP_CHIP_MX98725: 1735 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1736 break; 1737 1738 default: 1739 /* Nothing. */ 1740 break; 1741 } 1742 1743 /* 1744 * Initialize the transmit descriptor ring. 1745 */ 1746 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1747 for (i = 0; i < TULIP_NTXDESC; i++) { 1748 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1749 sc->sc_txdescs[i].td_bufaddr2 = 1750 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1751 } 1752 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1753 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1754 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1755 sc->sc_txfree = TULIP_NTXDESC; 1756 sc->sc_txnext = 0; 1757 1758 /* 1759 * Initialize the transmit job descriptors. 1760 */ 1761 SIMPLEQ_INIT(&sc->sc_txfreeq); 1762 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1763 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1764 txs = &sc->sc_txsoft[i]; 1765 txs->txs_mbuf = NULL; 1766 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1767 } 1768 1769 /* 1770 * Initialize the receive descriptor and receive job 1771 * descriptor rings. 1772 */ 1773 for (i = 0; i < TULIP_NRXDESC; i++) { 1774 rxs = &sc->sc_rxsoft[i]; 1775 if (rxs->rxs_mbuf == NULL) { 1776 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1777 printf("%s: unable to allocate or map rx " 1778 "buffer %d, error = %d\n", 1779 sc->sc_dev.dv_xname, i, error); 1780 /* 1781 * XXX Should attempt to run with fewer receive 1782 * XXX buffers instead of just failing. 1783 */ 1784 tlp_rxdrain(sc); 1785 goto out; 1786 } 1787 } else 1788 TULIP_INIT_RXDESC(sc, i); 1789 } 1790 sc->sc_rxptr = 0; 1791 1792 /* 1793 * Initialize the interrupt mask and enable interrupts. 1794 */ 1795 /* normal interrupts */ 1796 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1797 1798 /* abnormal interrupts */ 1799 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1800 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1801 1802 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1803 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1804 1805 switch (sc->sc_chip) { 1806 case TULIP_CHIP_WB89C840F: 1807 /* 1808 * Clear bits that we don't want that happen to 1809 * overlap or don't exist. 1810 */ 1811 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1812 break; 1813 1814 default: 1815 /* Nothing. */ 1816 break; 1817 } 1818 1819 sc->sc_rxint_mask &= sc->sc_inten; 1820 sc->sc_txint_mask &= sc->sc_inten; 1821 1822 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1823 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1824 1825 /* 1826 * Give the transmit and receive rings to the Tulip. 1827 */ 1828 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1829 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1830 1831 /* 1832 * On chips that do this differently, set the station address. 1833 */ 1834 switch (sc->sc_chip) { 1835 case TULIP_CHIP_WB89C840F: 1836 { 1837 /* XXX Do this with stream writes? */ 1838 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1839 1840 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1841 bus_space_write_1(sc->sc_st, sc->sc_sh, 1842 cpa + i, LLADDR(ifp->if_sadl)[i]); 1843 } 1844 break; 1845 } 1846 1847 case TULIP_CHIP_AL981: 1848 case TULIP_CHIP_AN983: 1849 case TULIP_CHIP_AN985: 1850 { 1851 u_int32_t reg; 1852 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1853 1854 reg = enaddr[0] | 1855 (enaddr[1] << 8) | 1856 (enaddr[2] << 16) | 1857 (enaddr[3] << 24); 1858 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1859 1860 reg = enaddr[4] | 1861 (enaddr[5] << 8); 1862 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1863 } 1864 1865 default: 1866 /* Nothing. */ 1867 break; 1868 } 1869 1870 /* 1871 * Set the receive filter. This will start the transmit and 1872 * receive processes. 1873 */ 1874 (*sc->sc_filter_setup)(sc); 1875 1876 /* 1877 * Set the current media. 1878 */ 1879 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1880 1881 /* 1882 * Start the receive process. 1883 */ 1884 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1885 1886 if (sc->sc_tick != NULL) { 1887 /* Start the one second clock. */ 1888 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1889 } 1890 1891 /* 1892 * Note that the interface is now running. 1893 */ 1894 ifp->if_flags |= IFF_RUNNING; 1895 ifp->if_flags &= ~IFF_OACTIVE; 1896 1897 out: 1898 if (error) { 1899 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1900 ifp->if_timer = 0; 1901 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1902 } 1903 return (error); 1904 } 1905 1906 /* 1907 * tlp_enable: 1908 * 1909 * Enable the Tulip chip. 1910 */ 1911 int 1912 tlp_enable(sc) 1913 struct tulip_softc *sc; 1914 { 1915 1916 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1917 if ((*sc->sc_enable)(sc) != 0) { 1918 printf("%s: device enable failed\n", 1919 sc->sc_dev.dv_xname); 1920 return (EIO); 1921 } 1922 sc->sc_flags |= TULIPF_ENABLED; 1923 } 1924 return (0); 1925 } 1926 1927 /* 1928 * tlp_disable: 1929 * 1930 * Disable the Tulip chip. 1931 */ 1932 void 1933 tlp_disable(sc) 1934 struct tulip_softc *sc; 1935 { 1936 1937 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1938 (*sc->sc_disable)(sc); 1939 sc->sc_flags &= ~TULIPF_ENABLED; 1940 } 1941 } 1942 1943 /* 1944 * tlp_power: 1945 * 1946 * Power management (suspend/resume) hook. 1947 */ 1948 void 1949 tlp_power(why, arg) 1950 int why; 1951 void *arg; 1952 { 1953 struct tulip_softc *sc = arg; 1954 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1955 int s; 1956 1957 s = splnet(); 1958 switch (why) { 1959 case PWR_SUSPEND: 1960 case PWR_STANDBY: 1961 tlp_stop(ifp, 0); 1962 if (sc->sc_power != NULL) 1963 (*sc->sc_power)(sc, why); 1964 break; 1965 case PWR_RESUME: 1966 if (ifp->if_flags & IFF_UP) { 1967 if (sc->sc_power != NULL) 1968 (*sc->sc_power)(sc, why); 1969 tlp_init(ifp); 1970 } 1971 break; 1972 case PWR_SOFTSUSPEND: 1973 case PWR_SOFTSTANDBY: 1974 case PWR_SOFTRESUME: 1975 break; 1976 } 1977 splx(s); 1978 } 1979 1980 /* 1981 * tlp_rxdrain: 1982 * 1983 * Drain the receive queue. 1984 */ 1985 void 1986 tlp_rxdrain(sc) 1987 struct tulip_softc *sc; 1988 { 1989 struct tulip_rxsoft *rxs; 1990 int i; 1991 1992 for (i = 0; i < TULIP_NRXDESC; i++) { 1993 rxs = &sc->sc_rxsoft[i]; 1994 if (rxs->rxs_mbuf != NULL) { 1995 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1996 m_freem(rxs->rxs_mbuf); 1997 rxs->rxs_mbuf = NULL; 1998 } 1999 } 2000 } 2001 2002 /* 2003 * tlp_stop: [ ifnet interface function ] 2004 * 2005 * Stop transmission on the interface. 2006 */ 2007 void 2008 tlp_stop(ifp, disable) 2009 struct ifnet *ifp; 2010 int disable; 2011 { 2012 struct tulip_softc *sc = ifp->if_softc; 2013 struct tulip_txsoft *txs; 2014 2015 if (sc->sc_tick != NULL) { 2016 /* Stop the one second clock. */ 2017 callout_stop(&sc->sc_tick_callout); 2018 } 2019 2020 if (sc->sc_flags & TULIPF_HAS_MII) { 2021 /* Down the MII. */ 2022 mii_down(&sc->sc_mii); 2023 } 2024 2025 /* Disable interrupts. */ 2026 TULIP_WRITE(sc, CSR_INTEN, 0); 2027 2028 /* Stop the transmit and receive processes. */ 2029 sc->sc_opmode = 0; 2030 TULIP_WRITE(sc, CSR_OPMODE, 0); 2031 TULIP_WRITE(sc, CSR_RXLIST, 0); 2032 TULIP_WRITE(sc, CSR_TXLIST, 0); 2033 2034 /* 2035 * Release any queued transmit buffers. 2036 */ 2037 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2038 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2039 if (txs->txs_mbuf != NULL) { 2040 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2041 m_freem(txs->txs_mbuf); 2042 txs->txs_mbuf = NULL; 2043 } 2044 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2045 } 2046 2047 if (disable) { 2048 tlp_rxdrain(sc); 2049 tlp_disable(sc); 2050 } 2051 2052 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2053 2054 /* 2055 * Mark the interface down and cancel the watchdog timer. 2056 */ 2057 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2058 ifp->if_timer = 0; 2059 } 2060 2061 #define SROM_EMIT(sc, x) \ 2062 do { \ 2063 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2064 delay(2); \ 2065 } while (0) 2066 2067 /* 2068 * tlp_srom_idle: 2069 * 2070 * Put the SROM in idle state. 2071 */ 2072 void 2073 tlp_srom_idle(sc) 2074 struct tulip_softc *sc; 2075 { 2076 u_int32_t miirom; 2077 int i; 2078 2079 miirom = MIIROM_SR; 2080 SROM_EMIT(sc, miirom); 2081 2082 miirom |= MIIROM_RD; 2083 SROM_EMIT(sc, miirom); 2084 2085 miirom |= MIIROM_SROMCS; 2086 SROM_EMIT(sc, miirom); 2087 2088 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2089 2090 /* Strobe the clock 32 times. */ 2091 for (i = 0; i < 32; i++) { 2092 SROM_EMIT(sc, miirom); 2093 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2094 } 2095 2096 SROM_EMIT(sc, miirom); 2097 2098 miirom &= ~MIIROM_SROMCS; 2099 SROM_EMIT(sc, miirom); 2100 2101 SROM_EMIT(sc, 0); 2102 } 2103 2104 /* 2105 * tlp_srom_size: 2106 * 2107 * Determine the number of address bits in the SROM. 2108 */ 2109 int 2110 tlp_srom_size(sc) 2111 struct tulip_softc *sc; 2112 { 2113 u_int32_t miirom; 2114 int x; 2115 2116 /* Select the SROM. */ 2117 miirom = MIIROM_SR; 2118 SROM_EMIT(sc, miirom); 2119 2120 miirom |= MIIROM_RD; 2121 SROM_EMIT(sc, miirom); 2122 2123 /* Send CHIP SELECT for one clock tick. */ 2124 miirom |= MIIROM_SROMCS; 2125 SROM_EMIT(sc, miirom); 2126 2127 /* Shift in the READ opcode. */ 2128 for (x = 3; x > 0; x--) { 2129 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2130 miirom |= MIIROM_SROMDI; 2131 else 2132 miirom &= ~MIIROM_SROMDI; 2133 SROM_EMIT(sc, miirom); 2134 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2135 SROM_EMIT(sc, miirom); 2136 } 2137 2138 /* Shift in address and look for dummy 0 bit. */ 2139 for (x = 1; x <= 12; x++) { 2140 miirom &= ~MIIROM_SROMDI; 2141 SROM_EMIT(sc, miirom); 2142 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2143 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2144 break; 2145 SROM_EMIT(sc, miirom); 2146 } 2147 2148 /* Clear CHIP SELECT. */ 2149 miirom &= ~MIIROM_SROMCS; 2150 SROM_EMIT(sc, miirom); 2151 2152 /* Deselect the SROM. */ 2153 SROM_EMIT(sc, 0); 2154 2155 if (x < 4 || x > 12) { 2156 printf("%s: broken MicroWire interface detected; " 2157 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2158 return (6); 2159 } else { 2160 if (tlp_srom_debug) 2161 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2162 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2163 return (x); 2164 } 2165 } 2166 2167 /* 2168 * tlp_read_srom: 2169 * 2170 * Read the Tulip SROM. 2171 */ 2172 int 2173 tlp_read_srom(sc) 2174 struct tulip_softc *sc; 2175 { 2176 int size; 2177 u_int32_t miirom; 2178 u_int16_t datain; 2179 int i, x; 2180 2181 tlp_srom_idle(sc); 2182 2183 sc->sc_srom_addrbits = tlp_srom_size(sc); 2184 if (sc->sc_srom_addrbits == 0) 2185 return (0); 2186 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2187 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2188 2189 /* Select the SROM. */ 2190 miirom = MIIROM_SR; 2191 SROM_EMIT(sc, miirom); 2192 2193 miirom |= MIIROM_RD; 2194 SROM_EMIT(sc, miirom); 2195 2196 for (i = 0; i < size; i += 2) { 2197 /* Send CHIP SELECT for one clock tick. */ 2198 miirom |= MIIROM_SROMCS; 2199 SROM_EMIT(sc, miirom); 2200 2201 /* Shift in the READ opcode. */ 2202 for (x = 3; x > 0; x--) { 2203 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2204 miirom |= MIIROM_SROMDI; 2205 else 2206 miirom &= ~MIIROM_SROMDI; 2207 SROM_EMIT(sc, miirom); 2208 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2209 SROM_EMIT(sc, miirom); 2210 } 2211 2212 /* Shift in address. */ 2213 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2214 if (i & (1 << x)) 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 out data. */ 2224 miirom &= ~MIIROM_SROMDI; 2225 datain = 0; 2226 for (x = 16; x > 0; x--) { 2227 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2228 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2229 datain |= (1 << (x - 1)); 2230 SROM_EMIT(sc, miirom); 2231 } 2232 sc->sc_srom[i] = datain & 0xff; 2233 sc->sc_srom[i + 1] = datain >> 8; 2234 2235 /* Clear CHIP SELECT. */ 2236 miirom &= ~MIIROM_SROMCS; 2237 SROM_EMIT(sc, miirom); 2238 } 2239 2240 /* Deselect the SROM. */ 2241 SROM_EMIT(sc, 0); 2242 2243 /* ...and idle it. */ 2244 tlp_srom_idle(sc); 2245 2246 if (tlp_srom_debug) { 2247 printf("SROM CONTENTS:"); 2248 for (i = 0; i < size; i++) { 2249 if ((i % 8) == 0) 2250 printf("\n\t"); 2251 printf("0x%02x ", sc->sc_srom[i]); 2252 } 2253 printf("\n"); 2254 } 2255 2256 return (1); 2257 } 2258 2259 #undef SROM_EMIT 2260 2261 /* 2262 * tlp_add_rxbuf: 2263 * 2264 * Add a receive buffer to the indicated descriptor. 2265 */ 2266 int 2267 tlp_add_rxbuf(sc, idx) 2268 struct tulip_softc *sc; 2269 int idx; 2270 { 2271 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2272 struct mbuf *m; 2273 int error; 2274 2275 MGETHDR(m, M_DONTWAIT, MT_DATA); 2276 if (m == NULL) 2277 return (ENOBUFS); 2278 2279 MCLGET(m, M_DONTWAIT); 2280 if ((m->m_flags & M_EXT) == 0) { 2281 m_freem(m); 2282 return (ENOBUFS); 2283 } 2284 2285 if (rxs->rxs_mbuf != NULL) 2286 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2287 2288 rxs->rxs_mbuf = m; 2289 2290 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2291 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2292 BUS_DMA_READ|BUS_DMA_NOWAIT); 2293 if (error) { 2294 printf("%s: can't load rx DMA map %d, error = %d\n", 2295 sc->sc_dev.dv_xname, idx, error); 2296 panic("tlp_add_rxbuf"); /* XXX */ 2297 } 2298 2299 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2300 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2301 2302 TULIP_INIT_RXDESC(sc, idx); 2303 2304 return (0); 2305 } 2306 2307 /* 2308 * tlp_srom_crcok: 2309 * 2310 * Check the CRC of the Tulip SROM. 2311 */ 2312 int 2313 tlp_srom_crcok(romdata) 2314 const u_int8_t *romdata; 2315 { 2316 u_int32_t crc; 2317 2318 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2319 crc = (crc & 0xffff) ^ 0xffff; 2320 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2321 return (1); 2322 2323 /* 2324 * Try an alternate checksum. 2325 */ 2326 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2327 crc = (crc & 0xffff) ^ 0xffff; 2328 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2329 return (1); 2330 2331 return (0); 2332 } 2333 2334 /* 2335 * tlp_isv_srom: 2336 * 2337 * Check to see if the SROM is in the new standardized format. 2338 */ 2339 int 2340 tlp_isv_srom(romdata) 2341 const u_int8_t *romdata; 2342 { 2343 int i; 2344 u_int16_t cksum; 2345 2346 if (tlp_srom_crcok(romdata)) { 2347 /* 2348 * SROM CRC checks out; must be in the new format. 2349 */ 2350 return (1); 2351 } 2352 2353 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2354 if (cksum == 0xffff || cksum == 0) { 2355 /* 2356 * No checksum present. Check the SROM ID; 18 bytes of 0 2357 * followed by 1 (version) followed by the number of 2358 * adapters which use this SROM (should be non-zero). 2359 */ 2360 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2361 if (romdata[i] != 0) 2362 return (0); 2363 } 2364 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2365 return (0); 2366 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2367 return (0); 2368 return (1); 2369 } 2370 2371 return (0); 2372 } 2373 2374 /* 2375 * tlp_isv_srom_enaddr: 2376 * 2377 * Get the Ethernet address from an ISV SROM. 2378 */ 2379 int 2380 tlp_isv_srom_enaddr(sc, enaddr) 2381 struct tulip_softc *sc; 2382 u_int8_t *enaddr; 2383 { 2384 int i, devcnt; 2385 2386 if (tlp_isv_srom(sc->sc_srom) == 0) 2387 return (0); 2388 2389 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2390 for (i = 0; i < devcnt; i++) { 2391 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2392 break; 2393 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2394 sc->sc_devno) 2395 break; 2396 } 2397 2398 if (i == devcnt) 2399 return (0); 2400 2401 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2402 ETHER_ADDR_LEN); 2403 enaddr[5] += i; 2404 2405 return (1); 2406 } 2407 2408 /* 2409 * tlp_parse_old_srom: 2410 * 2411 * Parse old-format SROMs. 2412 * 2413 * This routine is largely lifted from Matt Thomas's `de' driver. 2414 */ 2415 int 2416 tlp_parse_old_srom(sc, enaddr) 2417 struct tulip_softc *sc; 2418 u_int8_t *enaddr; 2419 { 2420 static const u_int8_t testpat[] = 2421 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2422 int i; 2423 u_int32_t cksum; 2424 2425 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2426 /* 2427 * Some vendors (e.g. ZNYX) don't use the standard 2428 * DEC Address ROM format, but rather just have an 2429 * Ethernet address in the first 6 bytes, maybe a 2430 * 2 byte checksum, and then all 0xff's. 2431 * 2432 * On the other hand, Cobalt Networks interfaces 2433 * simply have the address in the first six bytes 2434 * with the rest zeroed out. 2435 */ 2436 for (i = 8; i < 32; i++) { 2437 if (sc->sc_srom[i] != 0xff && 2438 sc->sc_srom[i] != 0) 2439 return (0); 2440 } 2441 2442 /* 2443 * Sanity check the Ethernet address: 2444 * 2445 * - Make sure it's not multicast or locally 2446 * assigned 2447 * - Make sure it has a non-0 OUI 2448 */ 2449 if (sc->sc_srom[0] & 3) 2450 return (0); 2451 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2452 sc->sc_srom[2] == 0) 2453 return (0); 2454 2455 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2456 return (1); 2457 } 2458 2459 /* 2460 * Standard DEC Address ROM test. 2461 */ 2462 2463 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2464 return (0); 2465 2466 for (i = 0; i < 8; i++) { 2467 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2468 return (0); 2469 } 2470 2471 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2472 2473 cksum = *(u_int16_t *) &enaddr[0]; 2474 2475 cksum <<= 1; 2476 if (cksum > 0xffff) 2477 cksum -= 0xffff; 2478 2479 cksum += *(u_int16_t *) &enaddr[2]; 2480 if (cksum > 0xffff) 2481 cksum -= 0xffff; 2482 2483 cksum <<= 1; 2484 if (cksum > 0xffff) 2485 cksum -= 0xffff; 2486 2487 cksum += *(u_int16_t *) &enaddr[4]; 2488 if (cksum >= 0xffff) 2489 cksum -= 0xffff; 2490 2491 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2492 return (0); 2493 2494 return (1); 2495 } 2496 2497 /* 2498 * tlp_filter_setup: 2499 * 2500 * Set the Tulip's receive filter. 2501 */ 2502 void 2503 tlp_filter_setup(sc) 2504 struct tulip_softc *sc; 2505 { 2506 struct ethercom *ec = &sc->sc_ethercom; 2507 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2508 struct ether_multi *enm; 2509 struct ether_multistep step; 2510 __volatile u_int32_t *sp; 2511 struct tulip_txsoft *txs; 2512 u_int8_t enaddr[ETHER_ADDR_LEN]; 2513 u_int32_t hash, hashsize; 2514 int cnt; 2515 2516 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2517 sc->sc_dev.dv_xname, sc->sc_flags)); 2518 2519 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2520 2521 /* 2522 * If there are transmissions pending, wait until they have 2523 * completed. 2524 */ 2525 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2526 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2527 sc->sc_flags |= TULIPF_WANT_SETUP; 2528 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2529 sc->sc_dev.dv_xname)); 2530 return; 2531 } 2532 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2533 2534 switch (sc->sc_chip) { 2535 case TULIP_CHIP_82C115: 2536 hashsize = TULIP_PNICII_HASHSIZE; 2537 break; 2538 2539 default: 2540 hashsize = TULIP_MCHASHSIZE; 2541 } 2542 2543 /* 2544 * If we're running, idle the transmit and receive engines. If 2545 * we're NOT running, we're being called from tlp_init(), and our 2546 * writing OPMODE will start the transmit and receive processes 2547 * in motion. 2548 */ 2549 if (ifp->if_flags & IFF_RUNNING) 2550 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2551 2552 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2553 2554 if (ifp->if_flags & IFF_PROMISC) { 2555 sc->sc_opmode |= OPMODE_PR; 2556 goto allmulti; 2557 } 2558 2559 /* 2560 * Try Perfect filtering first. 2561 */ 2562 2563 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2564 sp = TULIP_CDSP(sc); 2565 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2566 cnt = 0; 2567 ETHER_FIRST_MULTI(step, ec, enm); 2568 while (enm != NULL) { 2569 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2570 /* 2571 * We must listen to a range of multicast addresses. 2572 * For now, just accept all multicasts, rather than 2573 * trying to set only those filter bits needed to match 2574 * the range. (At this time, the only use of address 2575 * ranges is for IP multicast routing, for which the 2576 * range is big enough to require all bits set.) 2577 */ 2578 goto allmulti; 2579 } 2580 if (cnt == (TULIP_MAXADDRS - 2)) { 2581 /* 2582 * We already have our multicast limit (still need 2583 * our station address and broadcast). Go to 2584 * Hash-Perfect mode. 2585 */ 2586 goto hashperfect; 2587 } 2588 cnt++; 2589 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2590 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2591 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2592 ETHER_NEXT_MULTI(step, enm); 2593 } 2594 2595 if (ifp->if_flags & IFF_BROADCAST) { 2596 /* ...and the broadcast address. */ 2597 cnt++; 2598 *sp++ = TULIP_SP_FIELD_C(0xffff); 2599 *sp++ = TULIP_SP_FIELD_C(0xffff); 2600 *sp++ = TULIP_SP_FIELD_C(0xffff); 2601 } 2602 2603 /* Pad the rest with our station address. */ 2604 for (; cnt < TULIP_MAXADDRS; cnt++) { 2605 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2606 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2607 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2608 } 2609 ifp->if_flags &= ~IFF_ALLMULTI; 2610 goto setit; 2611 2612 hashperfect: 2613 /* 2614 * Try Hash-Perfect mode. 2615 */ 2616 2617 /* 2618 * Some 21140 chips have broken Hash-Perfect modes. On these 2619 * chips, we simply use Hash-Only mode, and put our station 2620 * address into the filter. 2621 */ 2622 if (sc->sc_chip == TULIP_CHIP_21140) 2623 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2624 else 2625 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2626 sp = TULIP_CDSP(sc); 2627 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2628 ETHER_FIRST_MULTI(step, ec, enm); 2629 while (enm != NULL) { 2630 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2631 /* 2632 * We must listen to a range of multicast addresses. 2633 * For now, just accept all multicasts, rather than 2634 * trying to set only those filter bits needed to match 2635 * the range. (At this time, the only use of address 2636 * ranges is for IP multicast routing, for which the 2637 * range is big enough to require all bits set.) 2638 */ 2639 goto allmulti; 2640 } 2641 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2642 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2643 ETHER_NEXT_MULTI(step, enm); 2644 } 2645 2646 if (ifp->if_flags & IFF_BROADCAST) { 2647 /* ...and the broadcast address. */ 2648 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2649 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2650 } 2651 2652 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2653 /* ...and our station address. */ 2654 hash = tlp_mchash(enaddr, hashsize); 2655 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2656 } else { 2657 /* 2658 * Hash-Perfect mode; put our station address after 2659 * the hash table. 2660 */ 2661 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2662 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2663 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2664 } 2665 ifp->if_flags &= ~IFF_ALLMULTI; 2666 goto setit; 2667 2668 allmulti: 2669 /* 2670 * Use Perfect filter mode. First address is the broadcast address, 2671 * and pad the rest with our station address. We'll set Pass-all- 2672 * multicast in OPMODE below. 2673 */ 2674 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2675 sp = TULIP_CDSP(sc); 2676 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2677 cnt = 0; 2678 if (ifp->if_flags & IFF_BROADCAST) { 2679 cnt++; 2680 *sp++ = TULIP_SP_FIELD_C(0xffff); 2681 *sp++ = TULIP_SP_FIELD_C(0xffff); 2682 *sp++ = TULIP_SP_FIELD_C(0xffff); 2683 } 2684 for (; cnt < TULIP_MAXADDRS; cnt++) { 2685 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2686 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2687 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2688 } 2689 ifp->if_flags |= IFF_ALLMULTI; 2690 2691 setit: 2692 if (ifp->if_flags & IFF_ALLMULTI) 2693 sc->sc_opmode |= OPMODE_PM; 2694 2695 /* Sync the setup packet buffer. */ 2696 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2697 2698 /* 2699 * Fill in the setup packet descriptor. 2700 */ 2701 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2702 2703 txs->txs_firstdesc = sc->sc_txnext; 2704 txs->txs_lastdesc = sc->sc_txnext; 2705 txs->txs_ndescs = 1; 2706 txs->txs_mbuf = NULL; 2707 2708 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2709 htole32(TULIP_CDSPADDR(sc)); 2710 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2711 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2712 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2713 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2714 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2715 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2716 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2717 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2718 2719 /* Advance the tx pointer. */ 2720 sc->sc_txfree -= 1; 2721 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2722 2723 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2724 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2725 2726 /* 2727 * Set the OPMODE register. This will also resume the 2728 * transmit transmit process we idled above. 2729 */ 2730 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2731 2732 sc->sc_flags |= TULIPF_DOING_SETUP; 2733 2734 /* 2735 * Kick the transmitter; this will cause the Tulip to 2736 * read the setup descriptor. 2737 */ 2738 /* XXX USE AUTOPOLLING? */ 2739 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2740 2741 /* Set up a watchdog timer in case the chip flakes out. */ 2742 ifp->if_timer = 5; 2743 2744 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2745 } 2746 2747 /* 2748 * tlp_winb_filter_setup: 2749 * 2750 * Set the Winbond 89C840F's receive filter. 2751 */ 2752 void 2753 tlp_winb_filter_setup(sc) 2754 struct tulip_softc *sc; 2755 { 2756 struct ethercom *ec = &sc->sc_ethercom; 2757 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2758 struct ether_multi *enm; 2759 struct ether_multistep step; 2760 u_int32_t hash, mchash[2]; 2761 2762 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2763 sc->sc_dev.dv_xname, sc->sc_flags)); 2764 2765 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2766 2767 if (ifp->if_flags & IFF_MULTICAST) 2768 sc->sc_opmode |= OPMODE_WINB_AMP; 2769 2770 if (ifp->if_flags & IFF_BROADCAST) 2771 sc->sc_opmode |= OPMODE_WINB_ABP; 2772 2773 if (ifp->if_flags & IFF_PROMISC) { 2774 sc->sc_opmode |= OPMODE_WINB_APP; 2775 goto allmulti; 2776 } 2777 2778 mchash[0] = mchash[1] = 0; 2779 2780 ETHER_FIRST_MULTI(step, ec, enm); 2781 while (enm != NULL) { 2782 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2783 /* 2784 * We must listen to a range of multicast addresses. 2785 * For now, just accept all multicasts, rather than 2786 * trying to set only those filter bits needed to match 2787 * the range. (At this time, the only use of address 2788 * ranges is for IP multicast routing, for which the 2789 * range is big enough to require all bits set.) 2790 */ 2791 goto allmulti; 2792 } 2793 2794 /* 2795 * According to the FreeBSD `wb' driver, yes, you 2796 * really do invert the hash. 2797 */ 2798 hash = 2799 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2800 & 0x3f; 2801 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2802 ETHER_NEXT_MULTI(step, enm); 2803 } 2804 ifp->if_flags &= ~IFF_ALLMULTI; 2805 goto setit; 2806 2807 allmulti: 2808 ifp->if_flags |= IFF_ALLMULTI; 2809 mchash[0] = mchash[1] = 0xffffffff; 2810 2811 setit: 2812 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2813 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2814 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2815 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2816 sc->sc_dev.dv_xname)); 2817 } 2818 2819 /* 2820 * tlp_al981_filter_setup: 2821 * 2822 * Set the ADMtek AL981's receive filter. 2823 */ 2824 void 2825 tlp_al981_filter_setup(sc) 2826 struct tulip_softc *sc; 2827 { 2828 struct ethercom *ec = &sc->sc_ethercom; 2829 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2830 struct ether_multi *enm; 2831 struct ether_multistep step; 2832 u_int32_t hash, mchash[2]; 2833 2834 /* 2835 * If the chip is running, we need to reset the interface, 2836 * and will revisit here (with IFF_RUNNING) clear. The 2837 * chip seems to really not like to have its multicast 2838 * filter programmed without a reset. 2839 */ 2840 if (ifp->if_flags & IFF_RUNNING) { 2841 (void) tlp_init(ifp); 2842 return; 2843 } 2844 2845 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2846 sc->sc_dev.dv_xname, sc->sc_flags)); 2847 2848 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2849 2850 if (ifp->if_flags & IFF_PROMISC) { 2851 sc->sc_opmode |= OPMODE_PR; 2852 goto allmulti; 2853 } 2854 2855 mchash[0] = mchash[1] = 0; 2856 2857 ETHER_FIRST_MULTI(step, ec, enm); 2858 while (enm != NULL) { 2859 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2860 /* 2861 * We must listen to a range of multicast addresses. 2862 * For now, just accept all multicasts, rather than 2863 * trying to set only those filter bits needed to match 2864 * the range. (At this time, the only use of address 2865 * ranges is for IP multicast routing, for which the 2866 * range is big enough to require all bits set.) 2867 */ 2868 goto allmulti; 2869 } 2870 2871 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2872 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2873 ETHER_NEXT_MULTI(step, enm); 2874 } 2875 ifp->if_flags &= ~IFF_ALLMULTI; 2876 goto setit; 2877 2878 allmulti: 2879 ifp->if_flags |= IFF_ALLMULTI; 2880 mchash[0] = mchash[1] = 0xffffffff; 2881 2882 setit: 2883 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2884 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2885 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2886 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2887 sc->sc_dev.dv_xname)); 2888 } 2889 2890 /* 2891 * tlp_idle: 2892 * 2893 * Cause the transmit and/or receive processes to go idle. 2894 */ 2895 void 2896 tlp_idle(sc, bits) 2897 struct tulip_softc *sc; 2898 u_int32_t bits; 2899 { 2900 static const char * const tlp_tx_state_names[] = { 2901 "STOPPED", 2902 "RUNNING - FETCH", 2903 "RUNNING - WAIT", 2904 "RUNNING - READING", 2905 "-- RESERVED --", 2906 "RUNNING - SETUP", 2907 "SUSPENDED", 2908 "RUNNING - CLOSE", 2909 }; 2910 static const char * const tlp_rx_state_names[] = { 2911 "STOPPED", 2912 "RUNNING - FETCH", 2913 "RUNNING - CHECK", 2914 "RUNNING - WAIT", 2915 "SUSPENDED", 2916 "RUNNING - CLOSE", 2917 "RUNNING - FLUSH", 2918 "RUNNING - QUEUE", 2919 }; 2920 static const char * const dm9102_tx_state_names[] = { 2921 "STOPPED", 2922 "RUNNING - FETCH", 2923 "RUNNING - SETUP", 2924 "RUNNING - READING", 2925 "RUNNING - CLOSE - CLEAR OWNER", 2926 "RUNNING - WAIT", 2927 "RUNNING - CLOSE - WRITE STATUS", 2928 "SUSPENDED", 2929 }; 2930 static const char * const dm9102_rx_state_names[] = { 2931 "STOPPED", 2932 "RUNNING - FETCH", 2933 "RUNNING - WAIT", 2934 "RUNNING - QUEUE", 2935 "RUNNING - CLOSE - CLEAR OWNER", 2936 "RUNNING - CLOSE - WRITE STATUS", 2937 "SUSPENDED", 2938 "RUNNING - FLUSH", 2939 }; 2940 2941 const char * const *tx_state_names, * const *rx_state_names; 2942 u_int32_t csr, ackmask = 0; 2943 int i; 2944 2945 switch (sc->sc_chip) { 2946 case TULIP_CHIP_DM9102: 2947 case TULIP_CHIP_DM9102A: 2948 tx_state_names = dm9102_tx_state_names; 2949 rx_state_names = dm9102_rx_state_names; 2950 break; 2951 2952 default: 2953 tx_state_names = tlp_tx_state_names; 2954 rx_state_names = tlp_rx_state_names; 2955 break; 2956 } 2957 2958 if (bits & OPMODE_ST) 2959 ackmask |= STATUS_TPS; 2960 2961 if (bits & OPMODE_SR) 2962 ackmask |= STATUS_RPS; 2963 2964 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2965 2966 for (i = 0; i < 1000; i++) { 2967 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2968 break; 2969 delay(10); 2970 } 2971 2972 csr = TULIP_READ(sc, CSR_STATUS); 2973 if ((csr & ackmask) != ackmask) { 2974 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2975 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 2976 printf("%s: transmit process failed to idle: " 2977 "state %s\n", sc->sc_dev.dv_xname, 2978 tx_state_names[(csr & STATUS_TS) >> 20]); 2979 } 2980 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2981 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 2982 switch (sc->sc_chip) { 2983 case TULIP_CHIP_AN983: 2984 case TULIP_CHIP_AN985: 2985 /* 2986 * Filter the message out on noisy chips. 2987 */ 2988 break; 2989 default: 2990 printf("%s: receive process failed to idle: " 2991 "state %s\n", sc->sc_dev.dv_xname, 2992 rx_state_names[(csr & STATUS_RS) >> 17]); 2993 } 2994 } 2995 } 2996 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2997 } 2998 2999 /***************************************************************************** 3000 * Generic media support functions. 3001 *****************************************************************************/ 3002 3003 /* 3004 * tlp_mediastatus: [ifmedia interface function] 3005 * 3006 * Query the current media. 3007 */ 3008 void 3009 tlp_mediastatus(ifp, ifmr) 3010 struct ifnet *ifp; 3011 struct ifmediareq *ifmr; 3012 { 3013 struct tulip_softc *sc = ifp->if_softc; 3014 3015 if (TULIP_IS_ENABLED(sc) == 0) { 3016 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3017 ifmr->ifm_status = 0; 3018 return; 3019 } 3020 3021 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3022 } 3023 3024 /* 3025 * tlp_mediachange: [ifmedia interface function] 3026 * 3027 * Update the current media. 3028 */ 3029 int 3030 tlp_mediachange(ifp) 3031 struct ifnet *ifp; 3032 { 3033 struct tulip_softc *sc = ifp->if_softc; 3034 3035 if ((ifp->if_flags & IFF_UP) == 0) 3036 return (0); 3037 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3038 } 3039 3040 /***************************************************************************** 3041 * Support functions for MII-attached media. 3042 *****************************************************************************/ 3043 3044 /* 3045 * tlp_mii_tick: 3046 * 3047 * One second timer, used to tick the MII. 3048 */ 3049 void 3050 tlp_mii_tick(arg) 3051 void *arg; 3052 { 3053 struct tulip_softc *sc = arg; 3054 int s; 3055 3056 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3057 return; 3058 3059 s = splnet(); 3060 mii_tick(&sc->sc_mii); 3061 splx(s); 3062 3063 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3064 } 3065 3066 /* 3067 * tlp_mii_statchg: [mii interface function] 3068 * 3069 * Callback from PHY when media changes. 3070 */ 3071 void 3072 tlp_mii_statchg(self) 3073 struct device *self; 3074 { 3075 struct tulip_softc *sc = (struct tulip_softc *)self; 3076 3077 /* Idle the transmit and receive processes. */ 3078 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3079 3080 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3081 3082 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3083 sc->sc_opmode |= OPMODE_TTM; 3084 else 3085 sc->sc_opmode |= OPMODE_HBD; 3086 3087 if (sc->sc_mii.mii_media_active & IFM_FDX) 3088 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3089 3090 /* 3091 * Write new OPMODE bits. This also restarts the transmit 3092 * and receive processes. 3093 */ 3094 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3095 } 3096 3097 /* 3098 * tlp_winb_mii_statchg: [mii interface function] 3099 * 3100 * Callback from PHY when media changes. This version is 3101 * for the Winbond 89C840F, which has different OPMODE bits. 3102 */ 3103 void 3104 tlp_winb_mii_statchg(self) 3105 struct device *self; 3106 { 3107 struct tulip_softc *sc = (struct tulip_softc *)self; 3108 3109 /* Idle the transmit and receive processes. */ 3110 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3111 3112 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3113 3114 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3115 sc->sc_opmode |= OPMODE_WINB_FES; 3116 3117 if (sc->sc_mii.mii_media_active & IFM_FDX) 3118 sc->sc_opmode |= OPMODE_FD; 3119 3120 /* 3121 * Write new OPMODE bits. This also restarts the transmit 3122 * and receive processes. 3123 */ 3124 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3125 } 3126 3127 /* 3128 * tlp_dm9102_mii_statchg: [mii interface function] 3129 * 3130 * Callback from PHY when media changes. This version is 3131 * for the DM9102. 3132 */ 3133 void 3134 tlp_dm9102_mii_statchg(self) 3135 struct device *self; 3136 { 3137 struct tulip_softc *sc = (struct tulip_softc *)self; 3138 3139 /* 3140 * Don't idle the transmit and receive processes, here. It 3141 * seems to fail, and just causes excess noise. 3142 */ 3143 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3144 3145 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3146 sc->sc_opmode |= OPMODE_TTM; 3147 3148 if (sc->sc_mii.mii_media_active & IFM_FDX) 3149 sc->sc_opmode |= OPMODE_FD; 3150 3151 /* 3152 * Write new OPMODE bits. 3153 */ 3154 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3155 } 3156 3157 /* 3158 * tlp_mii_getmedia: 3159 * 3160 * Callback from ifmedia to request current media status. 3161 */ 3162 void 3163 tlp_mii_getmedia(sc, ifmr) 3164 struct tulip_softc *sc; 3165 struct ifmediareq *ifmr; 3166 { 3167 3168 mii_pollstat(&sc->sc_mii); 3169 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3170 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3171 } 3172 3173 /* 3174 * tlp_mii_setmedia: 3175 * 3176 * Callback from ifmedia to request new media setting. 3177 */ 3178 int 3179 tlp_mii_setmedia(sc) 3180 struct tulip_softc *sc; 3181 { 3182 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3183 3184 if (ifp->if_flags & IFF_UP) { 3185 switch (sc->sc_chip) { 3186 case TULIP_CHIP_21142: 3187 case TULIP_CHIP_21143: 3188 /* Disable the internal Nway engine. */ 3189 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3190 break; 3191 3192 default: 3193 /* Nothing. */ 3194 break; 3195 } 3196 mii_mediachg(&sc->sc_mii); 3197 } 3198 return (0); 3199 } 3200 3201 /* 3202 * tlp_bitbang_mii_readreg: 3203 * 3204 * Read a PHY register via bit-bang'ing the MII. 3205 */ 3206 int 3207 tlp_bitbang_mii_readreg(self, phy, reg) 3208 struct device *self; 3209 int phy, reg; 3210 { 3211 struct tulip_softc *sc = (void *) self; 3212 3213 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3214 } 3215 3216 /* 3217 * tlp_bitbang_mii_writereg: 3218 * 3219 * Write a PHY register via bit-bang'ing the MII. 3220 */ 3221 void 3222 tlp_bitbang_mii_writereg(self, phy, reg, val) 3223 struct device *self; 3224 int phy, reg, val; 3225 { 3226 struct tulip_softc *sc = (void *) self; 3227 3228 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3229 } 3230 3231 /* 3232 * tlp_sio_mii_bitbang_read: 3233 * 3234 * Read the MII serial port for the MII bit-bang module. 3235 */ 3236 u_int32_t 3237 tlp_sio_mii_bitbang_read(self) 3238 struct device *self; 3239 { 3240 struct tulip_softc *sc = (void *) self; 3241 3242 return (TULIP_READ(sc, CSR_MIIROM)); 3243 } 3244 3245 /* 3246 * tlp_sio_mii_bitbang_write: 3247 * 3248 * Write the MII serial port for the MII bit-bang module. 3249 */ 3250 void 3251 tlp_sio_mii_bitbang_write(self, val) 3252 struct device *self; 3253 u_int32_t val; 3254 { 3255 struct tulip_softc *sc = (void *) self; 3256 3257 TULIP_WRITE(sc, CSR_MIIROM, val); 3258 } 3259 3260 /* 3261 * tlp_pnic_mii_readreg: 3262 * 3263 * Read a PHY register on the Lite-On PNIC. 3264 */ 3265 int 3266 tlp_pnic_mii_readreg(self, phy, reg) 3267 struct device *self; 3268 int phy, reg; 3269 { 3270 struct tulip_softc *sc = (void *) self; 3271 u_int32_t val; 3272 int i; 3273 3274 TULIP_WRITE(sc, CSR_PNIC_MII, 3275 PNIC_MII_MBO | PNIC_MII_RESERVED | 3276 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3277 (reg << PNIC_MII_REGSHIFT)); 3278 3279 for (i = 0; i < 1000; i++) { 3280 delay(10); 3281 val = TULIP_READ(sc, CSR_PNIC_MII); 3282 if ((val & PNIC_MII_BUSY) == 0) { 3283 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3284 return (0); 3285 else 3286 return (val & PNIC_MII_DATA); 3287 } 3288 } 3289 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3290 return (0); 3291 } 3292 3293 /* 3294 * tlp_pnic_mii_writereg: 3295 * 3296 * Write a PHY register on the Lite-On PNIC. 3297 */ 3298 void 3299 tlp_pnic_mii_writereg(self, phy, reg, val) 3300 struct device *self; 3301 int phy, reg, val; 3302 { 3303 struct tulip_softc *sc = (void *) self; 3304 int i; 3305 3306 TULIP_WRITE(sc, CSR_PNIC_MII, 3307 PNIC_MII_MBO | PNIC_MII_RESERVED | 3308 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3309 (reg << PNIC_MII_REGSHIFT) | val); 3310 3311 for (i = 0; i < 1000; i++) { 3312 delay(10); 3313 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3314 return; 3315 } 3316 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3317 } 3318 3319 const bus_addr_t tlp_al981_phy_regmap[] = { 3320 CSR_ADM_BMCR, 3321 CSR_ADM_BMSR, 3322 CSR_ADM_PHYIDR1, 3323 CSR_ADM_PHYIDR2, 3324 CSR_ADM_ANAR, 3325 CSR_ADM_ANLPAR, 3326 CSR_ADM_ANER, 3327 3328 CSR_ADM_XMC, 3329 CSR_ADM_XCIIS, 3330 CSR_ADM_XIE, 3331 CSR_ADM_100CTR, 3332 }; 3333 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3334 sizeof(tlp_al981_phy_regmap[0]); 3335 3336 /* 3337 * tlp_al981_mii_readreg: 3338 * 3339 * Read a PHY register on the ADMtek AL981. 3340 */ 3341 int 3342 tlp_al981_mii_readreg(self, phy, reg) 3343 struct device *self; 3344 int phy, reg; 3345 { 3346 struct tulip_softc *sc = (struct tulip_softc *)self; 3347 3348 /* AL981 only has an internal PHY. */ 3349 if (phy != 0) 3350 return (0); 3351 3352 if (reg >= tlp_al981_phy_regmap_size) 3353 return (0); 3354 3355 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3356 tlp_al981_phy_regmap[reg]) & 0xffff); 3357 } 3358 3359 /* 3360 * tlp_al981_mii_writereg: 3361 * 3362 * Write a PHY register on the ADMtek AL981. 3363 */ 3364 void 3365 tlp_al981_mii_writereg(self, phy, reg, val) 3366 struct device *self; 3367 int phy, reg, val; 3368 { 3369 struct tulip_softc *sc = (struct tulip_softc *)self; 3370 3371 /* AL981 only has an internal PHY. */ 3372 if (phy != 0) 3373 return; 3374 3375 if (reg >= tlp_al981_phy_regmap_size) 3376 return; 3377 3378 bus_space_write_4(sc->sc_st, sc->sc_sh, 3379 tlp_al981_phy_regmap[reg], val); 3380 } 3381 3382 /***************************************************************************** 3383 * Chip-specific pre-init and reset functions. 3384 *****************************************************************************/ 3385 3386 /* 3387 * tlp_2114x_preinit: 3388 * 3389 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3390 */ 3391 void 3392 tlp_2114x_preinit(sc) 3393 struct tulip_softc *sc; 3394 { 3395 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3396 struct tulip_21x4x_media *tm = ife->ifm_aux; 3397 3398 /* 3399 * Whether or not we're in MII or SIA/SYM mode, the media info 3400 * contains the appropriate OPMODE bits. 3401 * 3402 * Note that if we have no media info, we are are doing 3403 * non-MII `auto'. 3404 * 3405 * Also, we always set the Must-Be-One bit. 3406 */ 3407 if (tm == NULL) { 3408 #ifdef DIAGNOSTIC 3409 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3410 panic("tlp_2114x_preinit: not IFM_AUTO"); 3411 if (sc->sc_nway_active == NULL) 3412 panic("tlp_2114x_preinit: nway_active NULL"); 3413 #endif 3414 tm = sc->sc_nway_active->ifm_aux; 3415 } 3416 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3417 3418 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3419 } 3420 3421 /* 3422 * tlp_2114x_mii_preinit: 3423 * 3424 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3425 * This version is used by boards which only have MII and don't have 3426 * an ISV SROM. 3427 */ 3428 void 3429 tlp_2114x_mii_preinit(sc) 3430 struct tulip_softc *sc; 3431 { 3432 3433 /* 3434 * Always set the Must-Be-One bit, and Port Select (to select MII). 3435 * We'll never be called during a media change. 3436 */ 3437 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3438 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3439 } 3440 3441 /* 3442 * tlp_pnic_preinit: 3443 * 3444 * Pre-init function for the Lite-On 82c168 and 82c169. 3445 */ 3446 void 3447 tlp_pnic_preinit(sc) 3448 struct tulip_softc *sc; 3449 { 3450 3451 if (sc->sc_flags & TULIPF_HAS_MII) { 3452 /* 3453 * MII case: just set the port-select bit; we will never 3454 * be called during a media change. 3455 */ 3456 sc->sc_opmode |= OPMODE_PS; 3457 } else { 3458 /* 3459 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3460 */ 3461 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3462 } 3463 } 3464 3465 /* 3466 * tlp_dm9102_preinit: 3467 * 3468 * Pre-init function for the Davicom DM9102. 3469 */ 3470 void 3471 tlp_dm9102_preinit(sc) 3472 struct tulip_softc *sc; 3473 { 3474 3475 switch (sc->sc_chip) { 3476 case TULIP_CHIP_DM9102: 3477 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3478 break; 3479 3480 case TULIP_CHIP_DM9102A: 3481 /* 3482 * XXX Figure out how to actually deal with the HomePNA 3483 * XXX portion of the DM9102A. 3484 */ 3485 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3486 break; 3487 3488 default: 3489 /* Nothing. */ 3490 break; 3491 } 3492 3493 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3494 } 3495 3496 /* 3497 * tlp_21140_reset: 3498 * 3499 * Issue a reset sequence on the 21140 via the GPIO facility. 3500 */ 3501 void 3502 tlp_21140_reset(sc) 3503 struct tulip_softc *sc; 3504 { 3505 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3506 struct tulip_21x4x_media *tm = ife->ifm_aux; 3507 int i; 3508 3509 /* First, set the direction on the GPIO pins. */ 3510 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3511 3512 /* Now, issue the reset sequence. */ 3513 for (i = 0; i < tm->tm_reset_length; i++) { 3514 delay(10); 3515 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3516 } 3517 3518 /* Now, issue the selection sequence. */ 3519 for (i = 0; i < tm->tm_gp_length; i++) { 3520 delay(10); 3521 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3522 } 3523 3524 /* If there were no sequences, just lower the pins. */ 3525 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3526 TULIP_WRITE(sc, CSR_GPP, 0); 3527 } 3528 3529 /* 3530 * tlp_21142_reset: 3531 * 3532 * Issue a reset sequence on the 21142 via the GPIO facility. 3533 */ 3534 void 3535 tlp_21142_reset(sc) 3536 struct tulip_softc *sc; 3537 { 3538 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3539 struct tulip_21x4x_media *tm = ife->ifm_aux; 3540 const u_int8_t *cp; 3541 int i; 3542 3543 cp = &sc->sc_srom[tm->tm_reset_offset]; 3544 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3545 delay(10); 3546 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3547 } 3548 3549 cp = &sc->sc_srom[tm->tm_gp_offset]; 3550 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3551 delay(10); 3552 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3553 } 3554 3555 /* If there were no sequences, just lower the pins. */ 3556 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3557 delay(10); 3558 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3559 } 3560 } 3561 3562 /* 3563 * tlp_pmac_reset: 3564 * 3565 * Reset routine for Macronix chips. 3566 */ 3567 void 3568 tlp_pmac_reset(sc) 3569 struct tulip_softc *sc; 3570 { 3571 3572 switch (sc->sc_chip) { 3573 case TULIP_CHIP_82C115: 3574 case TULIP_CHIP_MX98715: 3575 case TULIP_CHIP_MX98715A: 3576 case TULIP_CHIP_MX98725: 3577 /* 3578 * Set the LED operating mode. This information is located 3579 * in the EEPROM at byte offset 0x77, per the MX98715A and 3580 * MX98725 application notes. 3581 */ 3582 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3583 break; 3584 case TULIP_CHIP_MX98715AEC_X: 3585 /* 3586 * Set the LED operating mode. This information is located 3587 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3588 * application note. 3589 */ 3590 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3591 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3592 break; 3593 3594 default: 3595 /* Nothing. */ 3596 break; 3597 } 3598 } 3599 3600 /* 3601 * tlp_dm9102_reset: 3602 * 3603 * Reset routine for the Davicom DM9102. 3604 */ 3605 void 3606 tlp_dm9102_reset(sc) 3607 struct tulip_softc *sc; 3608 { 3609 3610 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3611 delay(100); 3612 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3613 } 3614 3615 /***************************************************************************** 3616 * Chip/board-specific media switches. The ones here are ones that 3617 * are potentially common to multiple front-ends. 3618 *****************************************************************************/ 3619 3620 /* 3621 * This table is a common place for all sorts of media information, 3622 * keyed off of the SROM media code for that media. 3623 * 3624 * Note that we explicitly configure the 21142/21143 to always advertise 3625 * NWay capabilities when using the UTP port. 3626 * XXX Actually, we don't yet. 3627 */ 3628 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3629 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3630 "10baseT", 3631 0, 3632 { SIACONN_21040_10BASET, 3633 SIATXRX_21040_10BASET, 3634 SIAGEN_21040_10BASET }, 3635 3636 { SIACONN_21041_10BASET, 3637 SIATXRX_21041_10BASET, 3638 SIAGEN_21041_10BASET }, 3639 3640 { SIACONN_21142_10BASET, 3641 SIATXRX_21142_10BASET, 3642 SIAGEN_21142_10BASET } }, 3643 3644 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3645 "10base2", 3646 0, 3647 { 0, 3648 0, 3649 0 }, 3650 3651 { SIACONN_21041_BNC, 3652 SIATXRX_21041_BNC, 3653 SIAGEN_21041_BNC }, 3654 3655 { SIACONN_21142_BNC, 3656 SIATXRX_21142_BNC, 3657 SIAGEN_21142_BNC } }, 3658 3659 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3660 "10base5", 3661 0, 3662 { SIACONN_21040_AUI, 3663 SIATXRX_21040_AUI, 3664 SIAGEN_21040_AUI }, 3665 3666 { SIACONN_21041_AUI, 3667 SIATXRX_21041_AUI, 3668 SIAGEN_21041_AUI }, 3669 3670 { SIACONN_21142_AUI, 3671 SIATXRX_21142_AUI, 3672 SIAGEN_21142_AUI } }, 3673 3674 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3675 "100baseTX", 3676 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3677 { 0, 3678 0, 3679 0 }, 3680 3681 { 0, 3682 0, 3683 0 }, 3684 3685 { 0, 3686 0, 3687 SIAGEN_ABM } }, 3688 3689 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3690 "10baseT-FDX", 3691 OPMODE_FD|OPMODE_HBD, 3692 { SIACONN_21040_10BASET_FDX, 3693 SIATXRX_21040_10BASET_FDX, 3694 SIAGEN_21040_10BASET_FDX }, 3695 3696 { SIACONN_21041_10BASET_FDX, 3697 SIATXRX_21041_10BASET_FDX, 3698 SIAGEN_21041_10BASET_FDX }, 3699 3700 { SIACONN_21142_10BASET_FDX, 3701 SIATXRX_21142_10BASET_FDX, 3702 SIAGEN_21142_10BASET_FDX } }, 3703 3704 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3705 "100baseTX-FDX", 3706 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3707 { 0, 3708 0, 3709 0 }, 3710 3711 { 0, 3712 0, 3713 0 }, 3714 3715 { 0, 3716 0, 3717 SIAGEN_ABM } }, 3718 3719 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3720 "100baseT4", 3721 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3722 { 0, 3723 0, 3724 0 }, 3725 3726 { 0, 3727 0, 3728 0 }, 3729 3730 { 0, 3731 0, 3732 SIAGEN_ABM } }, 3733 3734 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3735 "100baseFX", 3736 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3737 { 0, 3738 0, 3739 0 }, 3740 3741 { 0, 3742 0, 3743 0 }, 3744 3745 { 0, 3746 0, 3747 SIAGEN_ABM } }, 3748 3749 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3750 "100baseFX-FDX", 3751 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3752 { 0, 3753 0, 3754 0 }, 3755 3756 { 0, 3757 0, 3758 0 }, 3759 3760 { 0, 3761 0, 3762 SIAGEN_ABM } }, 3763 3764 { 0, 0, 0, 3765 NULL, 3766 0, 3767 { 0, 3768 0, 3769 0 }, 3770 3771 { 0, 3772 0, 3773 0 }, 3774 3775 { 0, 3776 0, 3777 0 } }, 3778 }; 3779 3780 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3781 void tlp_srom_media_info __P((struct tulip_softc *, 3782 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3783 void tlp_add_srom_media __P((struct tulip_softc *, int, 3784 void (*)(struct tulip_softc *, struct ifmediareq *), 3785 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3786 void tlp_print_media __P((struct tulip_softc *)); 3787 void tlp_nway_activate __P((struct tulip_softc *, int)); 3788 void tlp_get_minst __P((struct tulip_softc *)); 3789 3790 const struct tulip_srom_to_ifmedia * 3791 tlp_srom_to_ifmedia(sm) 3792 u_int8_t sm; 3793 { 3794 const struct tulip_srom_to_ifmedia *tsti; 3795 3796 for (tsti = tulip_srom_to_ifmedia_table; 3797 tsti->tsti_name != NULL; tsti++) { 3798 if (tsti->tsti_srom == sm) 3799 return (tsti); 3800 } 3801 3802 return (NULL); 3803 } 3804 3805 void 3806 tlp_srom_media_info(sc, tsti, tm) 3807 struct tulip_softc *sc; 3808 const struct tulip_srom_to_ifmedia *tsti; 3809 struct tulip_21x4x_media *tm; 3810 { 3811 3812 tm->tm_name = tsti->tsti_name; 3813 tm->tm_opmode = tsti->tsti_opmode; 3814 3815 switch (sc->sc_chip) { 3816 case TULIP_CHIP_DE425: 3817 case TULIP_CHIP_21040: 3818 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3819 break; 3820 3821 case TULIP_CHIP_21041: 3822 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3823 break; 3824 3825 case TULIP_CHIP_21142: 3826 case TULIP_CHIP_21143: 3827 case TULIP_CHIP_82C115: 3828 case TULIP_CHIP_MX98715: 3829 case TULIP_CHIP_MX98715A: 3830 case TULIP_CHIP_MX98715AEC_X: 3831 case TULIP_CHIP_MX98725: 3832 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3833 break; 3834 3835 default: 3836 /* Nothing. */ 3837 break; 3838 } 3839 } 3840 3841 void 3842 tlp_add_srom_media(sc, type, get, set, list, cnt) 3843 struct tulip_softc *sc; 3844 int type; 3845 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3846 int (*set) __P((struct tulip_softc *)); 3847 const u_int8_t *list; 3848 int cnt; 3849 { 3850 struct tulip_21x4x_media *tm; 3851 const struct tulip_srom_to_ifmedia *tsti; 3852 int i; 3853 3854 for (i = 0; i < cnt; i++) { 3855 tsti = tlp_srom_to_ifmedia(list[i]); 3856 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3857 tlp_srom_media_info(sc, tsti, tm); 3858 tm->tm_type = type; 3859 tm->tm_get = get; 3860 tm->tm_set = set; 3861 3862 ifmedia_add(&sc->sc_mii.mii_media, 3863 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3864 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3865 } 3866 } 3867 3868 void 3869 tlp_print_media(sc) 3870 struct tulip_softc *sc; 3871 { 3872 struct ifmedia_entry *ife; 3873 struct tulip_21x4x_media *tm; 3874 const char *sep = ""; 3875 3876 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3877 3878 printf("%s: ", sc->sc_dev.dv_xname); 3879 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3880 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3881 tm = ife->ifm_aux; 3882 if (tm == NULL) { 3883 #ifdef DIAGNOSTIC 3884 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3885 panic("tlp_print_media"); 3886 #endif 3887 PRINT("auto"); 3888 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3889 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3890 PRINT(tm->tm_name); 3891 } 3892 } 3893 printf("\n"); 3894 3895 #undef PRINT 3896 } 3897 3898 void 3899 tlp_nway_activate(sc, media) 3900 struct tulip_softc *sc; 3901 int media; 3902 { 3903 struct ifmedia_entry *ife; 3904 3905 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3906 #ifdef DIAGNOSTIC 3907 if (ife == NULL) 3908 panic("tlp_nway_activate"); 3909 #endif 3910 sc->sc_nway_active = ife; 3911 } 3912 3913 void 3914 tlp_get_minst(sc) 3915 struct tulip_softc *sc; 3916 { 3917 3918 if ((sc->sc_media_seen & 3919 ~((1 << TULIP_ROM_MB_21140_MII) | 3920 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3921 /* 3922 * We have not yet seen any SIA/SYM media (but are 3923 * about to; that's why we're called!), so assign 3924 * the current media instance to be the `internal media' 3925 * instance, and advance it so any MII media gets a 3926 * fresh one (used to selecting/isolating a PHY). 3927 */ 3928 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3929 } 3930 } 3931 3932 /* 3933 * SIA Utility functions. 3934 */ 3935 void tlp_sia_update_link __P((struct tulip_softc *)); 3936 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3937 int tlp_sia_set __P((struct tulip_softc *)); 3938 void tlp_sia_fixup __P((struct tulip_softc *)); 3939 3940 void 3941 tlp_sia_update_link(sc) 3942 struct tulip_softc *sc; 3943 { 3944 struct ifmedia_entry *ife; 3945 struct tulip_21x4x_media *tm; 3946 u_int32_t siastat; 3947 3948 ife = TULIP_CURRENT_MEDIA(sc); 3949 tm = ife->ifm_aux; 3950 3951 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3952 3953 siastat = TULIP_READ(sc, CSR_SIASTAT); 3954 3955 /* 3956 * Note that when we do SIA link tests, we are assuming that 3957 * the chip is really in the mode that the current media setting 3958 * reflects. If we're not, then the link tests will not be 3959 * accurate! 3960 */ 3961 switch (IFM_SUBTYPE(ife->ifm_media)) { 3962 case IFM_10_T: 3963 sc->sc_flags |= TULIPF_LINK_VALID; 3964 if ((siastat & SIASTAT_LS10) == 0) 3965 sc->sc_flags |= TULIPF_LINK_UP; 3966 break; 3967 3968 case IFM_100_TX: 3969 case IFM_100_T4: 3970 sc->sc_flags |= TULIPF_LINK_VALID; 3971 if ((siastat & SIASTAT_LS100) == 0) 3972 sc->sc_flags |= TULIPF_LINK_UP; 3973 break; 3974 } 3975 3976 switch (sc->sc_chip) { 3977 case TULIP_CHIP_21142: 3978 case TULIP_CHIP_21143: 3979 /* 3980 * On these chips, we can tell more information about 3981 * AUI/BNC. Note that the AUI/BNC selection is made 3982 * in a different register; for our purpose, it's all 3983 * AUI. 3984 */ 3985 switch (IFM_SUBTYPE(ife->ifm_media)) { 3986 case IFM_10_2: 3987 case IFM_10_5: 3988 sc->sc_flags |= TULIPF_LINK_VALID; 3989 if (siastat & SIASTAT_ARA) { 3990 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3991 sc->sc_flags |= TULIPF_LINK_UP; 3992 } 3993 break; 3994 3995 default: 3996 /* 3997 * If we're SYM media and can detect the link 3998 * via the GPIO facility, prefer that status 3999 * over LS100. 4000 */ 4001 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4002 tm->tm_actmask != 0) { 4003 sc->sc_flags = (sc->sc_flags & 4004 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4005 if (TULIP_ISSET(sc, CSR_SIAGEN, 4006 tm->tm_actmask) == tm->tm_actdata) 4007 sc->sc_flags |= TULIPF_LINK_UP; 4008 } 4009 } 4010 break; 4011 4012 default: 4013 /* Nothing. */ 4014 break; 4015 } 4016 } 4017 4018 void 4019 tlp_sia_get(sc, ifmr) 4020 struct tulip_softc *sc; 4021 struct ifmediareq *ifmr; 4022 { 4023 struct ifmedia_entry *ife; 4024 4025 ifmr->ifm_status = 0; 4026 4027 tlp_sia_update_link(sc); 4028 4029 ife = TULIP_CURRENT_MEDIA(sc); 4030 4031 if (sc->sc_flags & TULIPF_LINK_VALID) 4032 ifmr->ifm_status |= IFM_AVALID; 4033 if (sc->sc_flags & TULIPF_LINK_UP) 4034 ifmr->ifm_status |= IFM_ACTIVE; 4035 ifmr->ifm_active = ife->ifm_media; 4036 } 4037 4038 void 4039 tlp_sia_fixup(sc) 4040 struct tulip_softc *sc; 4041 { 4042 struct ifmedia_entry *ife; 4043 struct tulip_21x4x_media *tm; 4044 u_int32_t siaconn, siatxrx, siagen; 4045 4046 switch (sc->sc_chip) { 4047 case TULIP_CHIP_82C115: 4048 case TULIP_CHIP_MX98713A: 4049 case TULIP_CHIP_MX98715: 4050 case TULIP_CHIP_MX98715A: 4051 case TULIP_CHIP_MX98715AEC_X: 4052 case TULIP_CHIP_MX98725: 4053 siaconn = PMAC_SIACONN_MASK; 4054 siatxrx = PMAC_SIATXRX_MASK; 4055 siagen = PMAC_SIAGEN_MASK; 4056 break; 4057 4058 default: 4059 /* No fixups required on any other chips. */ 4060 return; 4061 } 4062 4063 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4064 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4065 tm = ife->ifm_aux; 4066 if (tm == NULL) 4067 continue; 4068 4069 tm->tm_siaconn &= siaconn; 4070 tm->tm_siatxrx &= siatxrx; 4071 tm->tm_siagen &= siagen; 4072 } 4073 } 4074 4075 int 4076 tlp_sia_set(sc) 4077 struct tulip_softc *sc; 4078 { 4079 struct ifmedia_entry *ife; 4080 struct tulip_21x4x_media *tm; 4081 4082 ife = TULIP_CURRENT_MEDIA(sc); 4083 tm = ife->ifm_aux; 4084 4085 /* 4086 * XXX This appears to be necessary on a bunch of the clone chips. 4087 */ 4088 delay(20000); 4089 4090 /* 4091 * Idle the chip. 4092 */ 4093 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4094 4095 /* 4096 * Program the SIA. It's important to write in this order, 4097 * resetting the SIA first. 4098 */ 4099 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4100 delay(1000); 4101 4102 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4103 4104 switch (sc->sc_chip) { 4105 case TULIP_CHIP_21142: 4106 case TULIP_CHIP_21143: 4107 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4108 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4109 break; 4110 default: 4111 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4112 } 4113 4114 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4115 4116 /* 4117 * Set the OPMODE bits for this media and write OPMODE. 4118 * This will resume the transmit and receive processes. 4119 */ 4120 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4121 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4122 4123 return (0); 4124 } 4125 4126 /* 4127 * 21140 GPIO utility functions. 4128 */ 4129 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4130 4131 void 4132 tlp_21140_gpio_update_link(sc) 4133 struct tulip_softc *sc; 4134 { 4135 struct ifmedia_entry *ife; 4136 struct tulip_21x4x_media *tm; 4137 4138 ife = TULIP_CURRENT_MEDIA(sc); 4139 tm = ife->ifm_aux; 4140 4141 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4142 4143 if (tm->tm_actmask != 0) { 4144 sc->sc_flags |= TULIPF_LINK_VALID; 4145 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4146 tm->tm_actdata) 4147 sc->sc_flags |= TULIPF_LINK_UP; 4148 } 4149 } 4150 4151 void 4152 tlp_21140_gpio_get(sc, ifmr) 4153 struct tulip_softc *sc; 4154 struct ifmediareq *ifmr; 4155 { 4156 struct ifmedia_entry *ife; 4157 4158 ifmr->ifm_status = 0; 4159 4160 tlp_21140_gpio_update_link(sc); 4161 4162 ife = TULIP_CURRENT_MEDIA(sc); 4163 4164 if (sc->sc_flags & TULIPF_LINK_VALID) 4165 ifmr->ifm_status |= IFM_AVALID; 4166 if (sc->sc_flags & TULIPF_LINK_UP) 4167 ifmr->ifm_status |= IFM_ACTIVE; 4168 ifmr->ifm_active = ife->ifm_media; 4169 } 4170 4171 int 4172 tlp_21140_gpio_set(sc) 4173 struct tulip_softc *sc; 4174 { 4175 struct ifmedia_entry *ife; 4176 struct tulip_21x4x_media *tm; 4177 4178 ife = TULIP_CURRENT_MEDIA(sc); 4179 tm = ife->ifm_aux; 4180 4181 /* 4182 * Idle the chip. 4183 */ 4184 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4185 4186 /* 4187 * Set the GPIO pins for this media, to flip any 4188 * relays, etc. 4189 */ 4190 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4191 delay(10); 4192 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4193 4194 /* 4195 * Set the OPMODE bits for this media and write OPMODE. 4196 * This will resume the transmit and receive processes. 4197 */ 4198 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4199 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4200 4201 return (0); 4202 } 4203 4204 /* 4205 * 21040 and 21041 media switches. 4206 */ 4207 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4208 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4209 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4210 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4211 4212 const struct tulip_mediasw tlp_21040_mediasw = { 4213 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4214 }; 4215 4216 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4217 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4218 }; 4219 4220 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4221 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4222 }; 4223 4224 const struct tulip_mediasw tlp_21041_mediasw = { 4225 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4226 }; 4227 4228 4229 void 4230 tlp_21040_tmsw_init(sc) 4231 struct tulip_softc *sc; 4232 { 4233 static const u_int8_t media[] = { 4234 TULIP_ROM_MB_MEDIA_TP, 4235 TULIP_ROM_MB_MEDIA_TP_FDX, 4236 TULIP_ROM_MB_MEDIA_AUI, 4237 }; 4238 struct tulip_21x4x_media *tm; 4239 4240 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4241 tlp_mediastatus); 4242 4243 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4244 4245 /* 4246 * No SROM type for External SIA. 4247 */ 4248 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4249 tm->tm_name = "manual"; 4250 tm->tm_opmode = 0; 4251 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4252 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4253 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4254 ifmedia_add(&sc->sc_mii.mii_media, 4255 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4256 4257 /* 4258 * XXX Autosense not yet supported. 4259 */ 4260 4261 /* XXX This should be auto-sense. */ 4262 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4263 4264 tlp_print_media(sc); 4265 } 4266 4267 void 4268 tlp_21040_tp_tmsw_init(sc) 4269 struct tulip_softc *sc; 4270 { 4271 static const u_int8_t media[] = { 4272 TULIP_ROM_MB_MEDIA_TP, 4273 TULIP_ROM_MB_MEDIA_TP_FDX, 4274 }; 4275 4276 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4277 tlp_mediastatus); 4278 4279 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4280 4281 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4282 4283 tlp_print_media(sc); 4284 } 4285 4286 void 4287 tlp_21040_auibnc_tmsw_init(sc) 4288 struct tulip_softc *sc; 4289 { 4290 static const u_int8_t media[] = { 4291 TULIP_ROM_MB_MEDIA_AUI, 4292 }; 4293 4294 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4295 tlp_mediastatus); 4296 4297 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4298 4299 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4300 4301 tlp_print_media(sc); 4302 } 4303 4304 void 4305 tlp_21041_tmsw_init(sc) 4306 struct tulip_softc *sc; 4307 { 4308 static const u_int8_t media[] = { 4309 TULIP_ROM_MB_MEDIA_TP, 4310 TULIP_ROM_MB_MEDIA_TP_FDX, 4311 TULIP_ROM_MB_MEDIA_BNC, 4312 TULIP_ROM_MB_MEDIA_AUI, 4313 }; 4314 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4315 const struct tulip_srom_to_ifmedia *tsti; 4316 struct tulip_21x4x_media *tm; 4317 u_int16_t romdef; 4318 u_int8_t mb; 4319 4320 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4321 tlp_mediastatus); 4322 4323 if (tlp_isv_srom(sc->sc_srom) == 0) { 4324 not_isv_srom: 4325 /* 4326 * If we have a board without the standard 21041 SROM format, 4327 * we just assume all media are present and try and pick a 4328 * reasonable default. 4329 */ 4330 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4331 4332 /* 4333 * XXX Autosense not yet supported. 4334 */ 4335 4336 /* XXX This should be auto-sense. */ 4337 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4338 4339 tlp_print_media(sc); 4340 return; 4341 } 4342 4343 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4344 for (i = 0; i < devcnt; i++) { 4345 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4346 break; 4347 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4348 sc->sc_devno) 4349 break; 4350 } 4351 4352 if (i == devcnt) 4353 goto not_isv_srom; 4354 4355 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4356 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4357 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4358 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4359 4360 for (; m_cnt != 0; 4361 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4362 mb = sc->sc_srom[mb_offset]; 4363 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4364 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4365 case TULIP_ROM_MB_MEDIA_TP_FDX: 4366 case TULIP_ROM_MB_MEDIA_TP: 4367 case TULIP_ROM_MB_MEDIA_BNC: 4368 case TULIP_ROM_MB_MEDIA_AUI: 4369 tsti = tlp_srom_to_ifmedia(mb & 4370 TULIP_ROM_MB_MEDIA_CODE); 4371 4372 tlp_srom_media_info(sc, tsti, tm); 4373 4374 /* 4375 * Override our default SIA settings if the 4376 * SROM contains its own. 4377 */ 4378 if (mb & TULIP_ROM_MB_EXT) { 4379 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4380 mb_offset + TULIP_ROM_MB_CSR13); 4381 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4382 mb_offset + TULIP_ROM_MB_CSR14); 4383 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4384 mb_offset + TULIP_ROM_MB_CSR15); 4385 } 4386 4387 ifmedia_add(&sc->sc_mii.mii_media, 4388 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4389 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4390 break; 4391 4392 default: 4393 printf("%s: unknown media code 0x%02x\n", 4394 sc->sc_dev.dv_xname, 4395 mb & TULIP_ROM_MB_MEDIA_CODE); 4396 free(tm, M_DEVBUF); 4397 } 4398 } 4399 4400 /* 4401 * XXX Autosense not yet supported. 4402 */ 4403 4404 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4405 TULIP_ROM_IL_SELECT_CONN_TYPE); 4406 switch (romdef) { 4407 case SELECT_CONN_TYPE_TP: 4408 case SELECT_CONN_TYPE_TP_AUTONEG: 4409 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4410 defmedia = IFM_ETHER|IFM_10_T; 4411 break; 4412 4413 case SELECT_CONN_TYPE_TP_FDX: 4414 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4415 break; 4416 4417 case SELECT_CONN_TYPE_BNC: 4418 defmedia = IFM_ETHER|IFM_10_2; 4419 break; 4420 4421 case SELECT_CONN_TYPE_AUI: 4422 defmedia = IFM_ETHER|IFM_10_5; 4423 break; 4424 #if 0 /* XXX */ 4425 case SELECT_CONN_TYPE_ASENSE: 4426 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4427 defmedia = IFM_ETHER|IFM_AUTO; 4428 break; 4429 #endif 4430 default: 4431 defmedia = 0; 4432 } 4433 4434 if (defmedia == 0) { 4435 /* 4436 * XXX We should default to auto-sense. 4437 */ 4438 defmedia = IFM_ETHER|IFM_10_T; 4439 } 4440 4441 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4442 4443 tlp_print_media(sc); 4444 } 4445 4446 /* 4447 * DECchip 2114x ISV media switch. 4448 */ 4449 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4450 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4451 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4452 4453 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4454 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4455 }; 4456 4457 void 4458 tlp_2114x_isv_tmsw_init(sc) 4459 struct tulip_softc *sc; 4460 { 4461 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4462 struct ifmedia_entry *ife; 4463 struct mii_softc *phy; 4464 struct tulip_21x4x_media *tm; 4465 const struct tulip_srom_to_ifmedia *tsti; 4466 int i, devcnt, leaf_offset, m_cnt, type, length; 4467 int defmedia, miidef; 4468 u_int16_t word; 4469 u_int8_t *cp, *ncp; 4470 4471 defmedia = miidef = 0; 4472 4473 sc->sc_mii.mii_ifp = ifp; 4474 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4475 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4476 sc->sc_mii.mii_statchg = sc->sc_statchg; 4477 4478 /* 4479 * Ignore `instance'; we may get a mixture of SIA and MII 4480 * media, and `instance' is used to isolate or select the 4481 * PHY on the MII as appropriate. Note that duplicate media 4482 * are disallowed, so ignoring `instance' is safe. 4483 */ 4484 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4485 tlp_mediastatus); 4486 4487 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4488 for (i = 0; i < devcnt; i++) { 4489 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4490 break; 4491 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4492 sc->sc_devno) 4493 break; 4494 } 4495 4496 if (i == devcnt) { 4497 printf("%s: unable to locate info leaf in SROM\n", 4498 sc->sc_dev.dv_xname); 4499 return; 4500 } 4501 4502 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4503 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4504 4505 /* XXX SELECT CONN TYPE */ 4506 4507 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4508 4509 /* 4510 * On some chips, the first thing in the Info Leaf is the 4511 * GPIO pin direction data. 4512 */ 4513 switch (sc->sc_chip) { 4514 case TULIP_CHIP_21140: 4515 case TULIP_CHIP_21140A: 4516 case TULIP_CHIP_MX98713: 4517 case TULIP_CHIP_AX88140: 4518 case TULIP_CHIP_AX88141: 4519 sc->sc_gp_dir = *cp++; 4520 break; 4521 4522 default: 4523 /* Nothing. */ 4524 break; 4525 } 4526 4527 /* Get the media count. */ 4528 m_cnt = *cp++; 4529 4530 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4531 /* 4532 * Determine the type and length of this media block. 4533 * The 21143 is spec'd to always use extended format blocks, 4534 * but some cards don't set the bit to indicate this. 4535 * Hopefully there are no cards which really don't use 4536 * extended format blocks. 4537 */ 4538 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4539 length = 4; 4540 type = TULIP_ROM_MB_21140_GPR; 4541 } else { 4542 length = (*cp++ & 0x7f) - 1; 4543 type = *cp++ & 0x3f; 4544 } 4545 4546 /* Compute the start of the next block. */ 4547 ncp = cp + length; 4548 4549 /* Now, parse the block. */ 4550 switch (type) { 4551 case TULIP_ROM_MB_21140_GPR: 4552 tlp_get_minst(sc); 4553 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4554 4555 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4556 4557 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4558 tm->tm_get = tlp_21140_gpio_get; 4559 tm->tm_set = tlp_21140_gpio_set; 4560 4561 /* First is the media type code. */ 4562 tsti = tlp_srom_to_ifmedia(cp[0] & 4563 TULIP_ROM_MB_MEDIA_CODE); 4564 if (tsti == NULL) { 4565 /* Invalid media code. */ 4566 free(tm, M_DEVBUF); 4567 break; 4568 } 4569 4570 /* Get defaults. */ 4571 tlp_srom_media_info(sc, tsti, tm); 4572 4573 /* Next is any GPIO info for this media. */ 4574 tm->tm_gpdata = cp[1]; 4575 4576 /* 4577 * Next is a word containing OPMODE information 4578 * and info on how to detect if this media is 4579 * active. 4580 */ 4581 word = TULIP_ROM_GETW(cp, 2); 4582 tm->tm_opmode &= OPMODE_FD; 4583 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4584 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4585 tm->tm_actmask = 4586 TULIP_ROM_MB_BITPOS(word); 4587 tm->tm_actdata = 4588 (word & TULIP_ROM_MB_POLARITY) ? 4589 0 : tm->tm_actmask; 4590 } 4591 4592 ifmedia_add(&sc->sc_mii.mii_media, 4593 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4594 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4595 break; 4596 4597 case TULIP_ROM_MB_21140_MII: 4598 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4599 4600 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4601 4602 tm->tm_type = TULIP_ROM_MB_21140_MII; 4603 tm->tm_get = tlp_mii_getmedia; 4604 tm->tm_set = tlp_mii_setmedia; 4605 tm->tm_opmode = OPMODE_PS; 4606 4607 if (sc->sc_reset == NULL) 4608 sc->sc_reset = tlp_21140_reset; 4609 4610 /* First is the PHY number. */ 4611 tm->tm_phyno = *cp++; 4612 4613 /* Next is the MII select sequence length and offset. */ 4614 tm->tm_gp_length = *cp++; 4615 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4616 cp += tm->tm_gp_length; 4617 4618 /* Next is the MII reset sequence length and offset. */ 4619 tm->tm_reset_length = *cp++; 4620 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4621 cp += tm->tm_reset_length; 4622 4623 /* 4624 * The following items are left in the media block 4625 * that we don't particularly care about: 4626 * 4627 * capabilities W 4628 * advertisement W 4629 * full duplex W 4630 * tx threshold W 4631 * 4632 * These appear to be bits in the PHY registers, 4633 * which our MII code handles on its own. 4634 */ 4635 4636 /* 4637 * Before we probe the MII bus, we need to reset 4638 * it and issue the selection sequence. 4639 */ 4640 4641 /* Set the direction of the pins... */ 4642 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4643 4644 for (i = 0; i < tm->tm_reset_length; i++) { 4645 delay(10); 4646 TULIP_WRITE(sc, CSR_GPP, 4647 sc->sc_srom[tm->tm_reset_offset + i]); 4648 } 4649 4650 for (i = 0; i < tm->tm_gp_length; i++) { 4651 delay(10); 4652 TULIP_WRITE(sc, CSR_GPP, 4653 sc->sc_srom[tm->tm_gp_offset + i]); 4654 } 4655 4656 /* If there were no sequences, just lower the pins. */ 4657 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4658 delay(10); 4659 TULIP_WRITE(sc, CSR_GPP, 0); 4660 } 4661 4662 /* 4663 * Now, probe the MII for the PHY. Note, we know 4664 * the location of the PHY on the bus, but we don't 4665 * particularly care; the MII code just likes to 4666 * search the whole thing anyhow. 4667 */ 4668 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4669 MII_PHY_ANY, tm->tm_phyno, 0); 4670 4671 /* 4672 * Now, search for the PHY we hopefully just 4673 * configured. If it's not configured into the 4674 * kernel, we lose. The PHY's default media always 4675 * takes priority. 4676 */ 4677 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4678 phy != NULL; 4679 phy = LIST_NEXT(phy, mii_list)) 4680 if (phy->mii_offset == tm->tm_phyno) 4681 break; 4682 if (phy == NULL) { 4683 printf("%s: unable to configure MII\n", 4684 sc->sc_dev.dv_xname); 4685 break; 4686 } 4687 4688 sc->sc_flags |= TULIPF_HAS_MII; 4689 sc->sc_tick = tlp_mii_tick; 4690 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4691 phy->mii_inst); 4692 4693 /* 4694 * Okay, now that we've found the PHY and the MII 4695 * layer has added all of the media associated 4696 * with that PHY, we need to traverse the media 4697 * list, and add our `tm' to each entry's `aux' 4698 * pointer. 4699 * 4700 * We do this by looking for media with our 4701 * PHY's `instance'. 4702 */ 4703 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4704 ife != NULL; 4705 ife = TAILQ_NEXT(ife, ifm_list)) { 4706 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4707 continue; 4708 ife->ifm_aux = tm; 4709 } 4710 break; 4711 4712 case TULIP_ROM_MB_21142_SIA: 4713 tlp_get_minst(sc); 4714 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4715 4716 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4717 4718 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4719 tm->tm_get = tlp_sia_get; 4720 tm->tm_set = tlp_sia_set; 4721 4722 /* First is the media type code. */ 4723 tsti = tlp_srom_to_ifmedia(cp[0] & 4724 TULIP_ROM_MB_MEDIA_CODE); 4725 if (tsti == NULL) { 4726 /* Invalid media code. */ 4727 free(tm, M_DEVBUF); 4728 break; 4729 } 4730 4731 /* Get defaults. */ 4732 tlp_srom_media_info(sc, tsti, tm); 4733 4734 /* 4735 * Override our default SIA settings if the 4736 * SROM contains its own. 4737 */ 4738 if (cp[0] & 0x40) { 4739 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4740 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4741 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4742 cp += 7; 4743 } else 4744 cp++; 4745 4746 /* Next is GPIO control/data. */ 4747 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4748 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4749 4750 ifmedia_add(&sc->sc_mii.mii_media, 4751 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4752 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4753 break; 4754 4755 case TULIP_ROM_MB_21142_MII: 4756 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4757 4758 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4759 4760 tm->tm_type = TULIP_ROM_MB_21142_MII; 4761 tm->tm_get = tlp_mii_getmedia; 4762 tm->tm_set = tlp_mii_setmedia; 4763 tm->tm_opmode = OPMODE_PS; 4764 4765 if (sc->sc_reset == NULL) 4766 sc->sc_reset = tlp_21142_reset; 4767 4768 /* First is the PHY number. */ 4769 tm->tm_phyno = *cp++; 4770 4771 /* Next is the MII select sequence length and offset. */ 4772 tm->tm_gp_length = *cp++; 4773 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4774 cp += tm->tm_gp_length * 2; 4775 4776 /* Next is the MII reset sequence length and offset. */ 4777 tm->tm_reset_length = *cp++; 4778 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4779 cp += tm->tm_reset_length * 2; 4780 4781 /* 4782 * The following items are left in the media block 4783 * that we don't particularly care about: 4784 * 4785 * capabilities W 4786 * advertisement W 4787 * full duplex W 4788 * tx threshold W 4789 * MII interrupt W 4790 * 4791 * These appear to be bits in the PHY registers, 4792 * which our MII code handles on its own. 4793 */ 4794 4795 /* 4796 * Before we probe the MII bus, we need to reset 4797 * it and issue the selection sequence. 4798 */ 4799 4800 cp = &sc->sc_srom[tm->tm_reset_offset]; 4801 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4802 delay(10); 4803 TULIP_WRITE(sc, CSR_SIAGEN, 4804 TULIP_ROM_GETW(cp, 0) << 16); 4805 } 4806 4807 cp = &sc->sc_srom[tm->tm_gp_offset]; 4808 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4809 delay(10); 4810 TULIP_WRITE(sc, CSR_SIAGEN, 4811 TULIP_ROM_GETW(cp, 0) << 16); 4812 } 4813 4814 /* If there were no sequences, just lower the pins. */ 4815 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4816 delay(10); 4817 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4818 } 4819 4820 /* 4821 * Now, probe the MII for the PHY. Note, we know 4822 * the location of the PHY on the bus, but we don't 4823 * particularly care; the MII code just likes to 4824 * search the whole thing anyhow. 4825 */ 4826 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4827 MII_PHY_ANY, tm->tm_phyno, 0); 4828 4829 /* 4830 * Now, search for the PHY we hopefully just 4831 * configured. If it's not configured into the 4832 * kernel, we lose. The PHY's default media always 4833 * takes priority. 4834 */ 4835 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4836 phy != NULL; 4837 phy = LIST_NEXT(phy, mii_list)) 4838 if (phy->mii_offset == tm->tm_phyno) 4839 break; 4840 if (phy == NULL) { 4841 printf("%s: unable to configure MII\n", 4842 sc->sc_dev.dv_xname); 4843 break; 4844 } 4845 4846 sc->sc_flags |= TULIPF_HAS_MII; 4847 sc->sc_tick = tlp_mii_tick; 4848 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4849 phy->mii_inst); 4850 4851 /* 4852 * Okay, now that we've found the PHY and the MII 4853 * layer has added all of the media associated 4854 * with that PHY, we need to traverse the media 4855 * list, and add our `tm' to each entry's `aux' 4856 * pointer. 4857 * 4858 * We do this by looking for media with our 4859 * PHY's `instance'. 4860 */ 4861 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4862 ife != NULL; 4863 ife = TAILQ_NEXT(ife, ifm_list)) { 4864 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4865 continue; 4866 ife->ifm_aux = tm; 4867 } 4868 break; 4869 4870 case TULIP_ROM_MB_21143_SYM: 4871 tlp_get_minst(sc); 4872 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4873 4874 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4875 4876 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4877 tm->tm_get = tlp_sia_get; 4878 tm->tm_set = tlp_sia_set; 4879 4880 /* First is the media type code. */ 4881 tsti = tlp_srom_to_ifmedia(cp[0] & 4882 TULIP_ROM_MB_MEDIA_CODE); 4883 if (tsti == NULL) { 4884 /* Invalid media code. */ 4885 free(tm, M_DEVBUF); 4886 break; 4887 } 4888 4889 /* Get defaults. */ 4890 tlp_srom_media_info(sc, tsti, tm); 4891 4892 /* Next is GPIO control/data. */ 4893 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4894 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4895 4896 /* 4897 * Next is a word containing OPMODE information 4898 * and info on how to detect if this media is 4899 * active. 4900 */ 4901 word = TULIP_ROM_GETW(cp, 5); 4902 tm->tm_opmode &= OPMODE_FD; 4903 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4904 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4905 tm->tm_actmask = 4906 TULIP_ROM_MB_BITPOS(word); 4907 tm->tm_actdata = 4908 (word & TULIP_ROM_MB_POLARITY) ? 4909 0 : tm->tm_actmask; 4910 } 4911 4912 ifmedia_add(&sc->sc_mii.mii_media, 4913 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4914 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4915 break; 4916 4917 case TULIP_ROM_MB_21143_RESET: 4918 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4919 break; 4920 4921 default: 4922 printf("%s: unknown ISV media block type 0x%02x\n", 4923 sc->sc_dev.dv_xname, type); 4924 } 4925 } 4926 4927 /* 4928 * Deal with the case where no media is configured. 4929 */ 4930 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4931 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4932 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4933 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4934 return; 4935 } 4936 4937 /* 4938 * Pick the default media. 4939 */ 4940 if (miidef != 0) 4941 defmedia = miidef; 4942 else { 4943 /* 4944 * XXX Pick a better default. Should come from SROM 4945 * XXX on 21140[A], and should be "auto" on 21142, 4946 * XXX 21143, and Macronix chips. 4947 */ 4948 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4949 } 4950 4951 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4952 4953 /* 4954 * Display any non-MII media we've located. 4955 */ 4956 if (sc->sc_media_seen & 4957 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4958 tlp_print_media(sc); 4959 4960 tlp_sia_fixup(sc); 4961 } 4962 4963 void 4964 tlp_2114x_isv_tmsw_get(sc, ifmr) 4965 struct tulip_softc *sc; 4966 struct ifmediareq *ifmr; 4967 { 4968 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4969 struct tulip_21x4x_media *tm = ife->ifm_aux; 4970 4971 /* 4972 * We might be polling a non-MII autosense; check for that. 4973 */ 4974 if (tm == NULL) { 4975 #ifdef DIAGNOSTIC 4976 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4977 panic("tlp_2114x_isv_tmsw_get"); 4978 #endif 4979 tm = sc->sc_nway_active->ifm_aux; 4980 } 4981 4982 (*tm->tm_get)(sc, ifmr); 4983 } 4984 4985 int 4986 tlp_2114x_isv_tmsw_set(sc) 4987 struct tulip_softc *sc; 4988 { 4989 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4990 struct tulip_21x4x_media *tm = ife->ifm_aux; 4991 4992 /* 4993 * We might be setting a non-MII autosense; check for that. 4994 */ 4995 if (tm == NULL) { 4996 #ifdef DIAGNOSTIC 4997 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4998 panic("tlp_2114x_isv_tmsw_set"); 4999 #endif 5000 /* XXX XXX XXX */ 5001 } 5002 5003 /* 5004 * Check to see if we need to reset the chip, and do it. The 5005 * reset path will get the OPMODE register right the next 5006 * time through. 5007 */ 5008 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5009 return (tlp_init(&sc->sc_ethercom.ec_if)); 5010 5011 return ((*tm->tm_set)(sc)); 5012 } 5013 5014 /* 5015 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5016 */ 5017 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5018 5019 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5020 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5021 }; 5022 5023 void 5024 tlp_sio_mii_tmsw_init(sc) 5025 struct tulip_softc *sc; 5026 { 5027 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5028 5029 /* 5030 * We don't attach any media info structures to the ifmedia 5031 * entries, so if we're using a pre-init function that needs 5032 * that info, override it to one that doesn't. 5033 */ 5034 if (sc->sc_preinit == tlp_2114x_preinit) 5035 sc->sc_preinit = tlp_2114x_mii_preinit; 5036 5037 sc->sc_mii.mii_ifp = ifp; 5038 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5039 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5040 sc->sc_mii.mii_statchg = sc->sc_statchg; 5041 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5042 tlp_mediastatus); 5043 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5044 MII_OFFSET_ANY, 0); 5045 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5046 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5047 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5048 } else { 5049 sc->sc_flags |= TULIPF_HAS_MII; 5050 sc->sc_tick = tlp_mii_tick; 5051 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5052 } 5053 } 5054 5055 /* 5056 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5057 */ 5058 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5059 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5060 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5061 5062 const struct tulip_mediasw tlp_pnic_mediasw = { 5063 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5064 }; 5065 5066 void tlp_pnic_nway_statchg __P((struct device *)); 5067 void tlp_pnic_nway_tick __P((void *)); 5068 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5069 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5070 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5071 void tlp_pnic_nway_auto_timeout __P((void *)); 5072 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5073 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5074 5075 void 5076 tlp_pnic_tmsw_init(sc) 5077 struct tulip_softc *sc; 5078 { 5079 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5080 const char *sep = ""; 5081 5082 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5083 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5084 5085 sc->sc_mii.mii_ifp = ifp; 5086 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5087 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5088 sc->sc_mii.mii_statchg = sc->sc_statchg; 5089 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5090 tlp_mediastatus); 5091 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5092 MII_OFFSET_ANY, 0); 5093 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5094 /* XXX What about AUI/BNC support? */ 5095 printf("%s: ", sc->sc_dev.dv_xname); 5096 5097 tlp_pnic_nway_reset(sc); 5098 5099 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5100 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5101 PRINT("10baseT"); 5102 5103 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5104 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5105 PRINT("10baseT-FDX"); 5106 5107 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5108 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5109 PRINT("100baseTX"); 5110 5111 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5112 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5113 PNIC_NWAY_CAP100TXFDX); 5114 PRINT("100baseTX-FDX"); 5115 5116 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5117 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5118 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5119 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5120 PRINT("auto"); 5121 5122 printf("\n"); 5123 5124 sc->sc_statchg = tlp_pnic_nway_statchg; 5125 sc->sc_tick = tlp_pnic_nway_tick; 5126 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5127 } else { 5128 sc->sc_flags |= TULIPF_HAS_MII; 5129 sc->sc_tick = tlp_mii_tick; 5130 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5131 } 5132 5133 #undef ADD 5134 #undef PRINT 5135 } 5136 5137 void 5138 tlp_pnic_tmsw_get(sc, ifmr) 5139 struct tulip_softc *sc; 5140 struct ifmediareq *ifmr; 5141 { 5142 struct mii_data *mii = &sc->sc_mii; 5143 5144 if (sc->sc_flags & TULIPF_HAS_MII) 5145 tlp_mii_getmedia(sc, ifmr); 5146 else { 5147 mii->mii_media_status = 0; 5148 mii->mii_media_active = IFM_NONE; 5149 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5150 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5151 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5152 } 5153 } 5154 5155 int 5156 tlp_pnic_tmsw_set(sc) 5157 struct tulip_softc *sc; 5158 { 5159 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5160 struct mii_data *mii = &sc->sc_mii; 5161 5162 if (sc->sc_flags & TULIPF_HAS_MII) { 5163 /* 5164 * Make sure the built-in Tx jabber timer is disabled. 5165 */ 5166 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5167 5168 return (tlp_mii_setmedia(sc)); 5169 } 5170 5171 if (ifp->if_flags & IFF_UP) { 5172 mii->mii_media_status = 0; 5173 mii->mii_media_active = IFM_NONE; 5174 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5175 } 5176 5177 return (0); 5178 } 5179 5180 void 5181 tlp_pnic_nway_statchg(self) 5182 struct device *self; 5183 { 5184 struct tulip_softc *sc = (struct tulip_softc *)self; 5185 5186 /* Idle the transmit and receive processes. */ 5187 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5188 5189 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5190 OPMODE_SCR|OPMODE_HBD); 5191 5192 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5193 sc->sc_opmode |= OPMODE_TTM; 5194 TULIP_WRITE(sc, CSR_GPP, 5195 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5196 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5197 } else { 5198 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5199 TULIP_WRITE(sc, CSR_GPP, 5200 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5201 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5202 } 5203 5204 if (sc->sc_mii.mii_media_active & IFM_FDX) 5205 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5206 5207 /* 5208 * Write new OPMODE bits. This also restarts the transmit 5209 * and receive processes. 5210 */ 5211 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5212 } 5213 5214 void 5215 tlp_pnic_nway_tick(arg) 5216 void *arg; 5217 { 5218 struct tulip_softc *sc = arg; 5219 int s; 5220 5221 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5222 return; 5223 5224 s = splnet(); 5225 tlp_pnic_nway_service(sc, MII_TICK); 5226 splx(s); 5227 5228 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5229 } 5230 5231 /* 5232 * Support for the Lite-On PNIC internal NWay block. This is constructed 5233 * somewhat like a PHY driver for simplicity. 5234 */ 5235 5236 int 5237 tlp_pnic_nway_service(sc, cmd) 5238 struct tulip_softc *sc; 5239 int cmd; 5240 { 5241 struct mii_data *mii = &sc->sc_mii; 5242 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5243 5244 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5245 return (0); 5246 5247 switch (cmd) { 5248 case MII_POLLSTAT: 5249 /* Nothing special to do here. */ 5250 break; 5251 5252 case MII_MEDIACHG: 5253 switch (IFM_SUBTYPE(ife->ifm_media)) { 5254 case IFM_AUTO: 5255 (void) tlp_pnic_nway_auto(sc, 1); 5256 break; 5257 case IFM_100_T4: 5258 /* 5259 * XXX Not supported as a manual setting right now. 5260 */ 5261 return (EINVAL); 5262 default: 5263 /* 5264 * NWAY register data is stored in the ifmedia entry. 5265 */ 5266 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5267 } 5268 break; 5269 5270 case MII_TICK: 5271 /* 5272 * Only used for autonegotiation. 5273 */ 5274 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5275 return (0); 5276 5277 /* 5278 * Check to see if we have link. If we do, we don't 5279 * need to restart the autonegotiation process. 5280 */ 5281 if (sc->sc_flags & TULIPF_LINK_UP) 5282 return (0); 5283 5284 /* 5285 * Only retry autonegotiation every 5 seconds. 5286 */ 5287 if (++sc->sc_nway_ticks != 5) 5288 return (0); 5289 5290 sc->sc_nway_ticks = 0; 5291 tlp_pnic_nway_reset(sc); 5292 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5293 return (0); 5294 break; 5295 } 5296 5297 /* Update the media status. */ 5298 tlp_pnic_nway_status(sc); 5299 5300 /* Callback if something changed. */ 5301 if ((sc->sc_nway_active == NULL || 5302 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5303 cmd == MII_MEDIACHG) { 5304 (*sc->sc_statchg)(&sc->sc_dev); 5305 tlp_nway_activate(sc, mii->mii_media_active); 5306 } 5307 return (0); 5308 } 5309 5310 void 5311 tlp_pnic_nway_reset(sc) 5312 struct tulip_softc *sc; 5313 { 5314 5315 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5316 delay(100); 5317 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5318 } 5319 5320 int 5321 tlp_pnic_nway_auto(sc, waitfor) 5322 struct tulip_softc *sc; 5323 int waitfor; 5324 { 5325 struct mii_data *mii = &sc->sc_mii; 5326 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5327 u_int32_t reg; 5328 int i; 5329 5330 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5331 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5332 5333 if (waitfor) { 5334 /* Wait 500ms for it to complete. */ 5335 for (i = 0; i < 500; i++) { 5336 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5337 if (reg & PNIC_NWAY_LPAR_MASK) { 5338 tlp_pnic_nway_acomp(sc); 5339 return (0); 5340 } 5341 delay(1000); 5342 } 5343 #if 0 5344 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5345 printf("%s: autonegotiation failed to complete\n", 5346 sc->sc_dev.dv_xname); 5347 #endif 5348 5349 /* 5350 * Don't need to worry about clearing DOINGAUTO. 5351 * If that's set, a timeout is pending, and it will 5352 * clear the flag. 5353 */ 5354 return (EIO); 5355 } 5356 5357 /* 5358 * Just let it finish asynchronously. This is for the benefit of 5359 * the tick handler driving autonegotiation. Don't want 500ms 5360 * delays all the time while the system is running! 5361 */ 5362 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5363 sc->sc_flags |= TULIPF_DOINGAUTO; 5364 callout_reset(&sc->sc_nway_callout, hz >> 1, 5365 tlp_pnic_nway_auto_timeout, sc); 5366 } 5367 return (EJUSTRETURN); 5368 } 5369 5370 void 5371 tlp_pnic_nway_auto_timeout(arg) 5372 void *arg; 5373 { 5374 struct tulip_softc *sc = arg; 5375 u_int32_t reg; 5376 int s; 5377 5378 s = splnet(); 5379 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5380 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5381 #if 0 5382 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5383 printf("%s: autonegotiation failed to complete\n", 5384 sc->sc_dev.dv_xname); 5385 #endif 5386 5387 tlp_pnic_nway_acomp(sc); 5388 5389 /* Update the media status. */ 5390 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5391 splx(s); 5392 } 5393 5394 void 5395 tlp_pnic_nway_status(sc) 5396 struct tulip_softc *sc; 5397 { 5398 struct mii_data *mii = &sc->sc_mii; 5399 u_int32_t reg; 5400 5401 mii->mii_media_status = IFM_AVALID; 5402 mii->mii_media_active = IFM_ETHER; 5403 5404 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5405 5406 if (sc->sc_flags & TULIPF_LINK_UP) 5407 mii->mii_media_status |= IFM_ACTIVE; 5408 5409 if (reg & PNIC_NWAY_NW) { 5410 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5411 /* Erg, still trying, I guess... */ 5412 mii->mii_media_active |= IFM_NONE; 5413 return; 5414 } 5415 5416 #if 0 5417 if (reg & PNIC_NWAY_LPAR100T4) 5418 mii->mii_media_active |= IFM_100_T4; 5419 else 5420 #endif 5421 if (reg & PNIC_NWAY_LPAR100TXFDX) 5422 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5423 else if (reg & PNIC_NWAY_LPAR100TX) 5424 mii->mii_media_active |= IFM_100_TX; 5425 else if (reg & PNIC_NWAY_LPAR10TFDX) 5426 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5427 else if (reg & PNIC_NWAY_LPAR10T) 5428 mii->mii_media_active |= IFM_10_T; 5429 else 5430 mii->mii_media_active |= IFM_NONE; 5431 } else { 5432 if (reg & PNIC_NWAY_100) 5433 mii->mii_media_active |= IFM_100_TX; 5434 else 5435 mii->mii_media_active |= IFM_10_T; 5436 if (reg & PNIC_NWAY_FD) 5437 mii->mii_media_active |= IFM_FDX; 5438 } 5439 } 5440 5441 void 5442 tlp_pnic_nway_acomp(sc) 5443 struct tulip_softc *sc; 5444 { 5445 u_int32_t reg; 5446 5447 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5448 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5449 5450 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5451 reg |= PNIC_NWAY_100; 5452 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5453 reg |= PNIC_NWAY_FD; 5454 5455 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5456 } 5457 5458 /* 5459 * Macronix PMAC and Lite-On PNIC-II media switch: 5460 * 5461 * MX98713 and MX98713A 21140-like MII or GPIO media. 5462 * 5463 * MX98713A 21143-like MII or SIA/SYM media. 5464 * 5465 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5466 * 82C115, MX98715AEC-C, -E 5467 * 5468 * So, what we do here is fake MII-on-SIO or ISV media info, and 5469 * use the ISV media switch get/set functions to handle the rest. 5470 */ 5471 5472 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5473 5474 const struct tulip_mediasw tlp_pmac_mediasw = { 5475 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5476 }; 5477 5478 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5479 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5480 }; 5481 5482 void 5483 tlp_pmac_tmsw_init(sc) 5484 struct tulip_softc *sc; 5485 { 5486 static const u_int8_t media[] = { 5487 TULIP_ROM_MB_MEDIA_TP, 5488 TULIP_ROM_MB_MEDIA_TP_FDX, 5489 TULIP_ROM_MB_MEDIA_100TX, 5490 TULIP_ROM_MB_MEDIA_100TX_FDX, 5491 }; 5492 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5493 5494 sc->sc_mii.mii_ifp = ifp; 5495 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5496 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5497 sc->sc_mii.mii_statchg = sc->sc_statchg; 5498 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5499 tlp_mediastatus); 5500 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5501 sc->sc_chip == TULIP_CHIP_MX98713A) { 5502 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5503 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5504 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5505 sc->sc_flags |= TULIPF_HAS_MII; 5506 sc->sc_tick = tlp_mii_tick; 5507 sc->sc_preinit = tlp_2114x_mii_preinit; 5508 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5509 ifmedia_set(&sc->sc_mii.mii_media, 5510 IFM_ETHER|IFM_AUTO); 5511 return; 5512 } 5513 } 5514 5515 switch (sc->sc_chip) { 5516 case TULIP_CHIP_MX98713: 5517 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5518 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5519 5520 /* 5521 * XXX Should implement auto-sense for this someday, 5522 * XXX when we do the same for the 21140. 5523 */ 5524 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5525 break; 5526 5527 default: 5528 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5529 tlp_sia_get, tlp_sia_set, media, 2); 5530 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5531 tlp_sia_get, tlp_sia_set, media + 2, 2); 5532 5533 /* 5534 * XXX Autonegotiation not yet supported. 5535 */ 5536 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5537 break; 5538 } 5539 5540 tlp_print_media(sc); 5541 tlp_sia_fixup(sc); 5542 5543 /* Set the LED modes. */ 5544 tlp_pmac_reset(sc); 5545 5546 sc->sc_reset = tlp_pmac_reset; 5547 } 5548 5549 /* 5550 * ADMtek AL981 media switch. Only has internal PHY. 5551 */ 5552 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5553 5554 const struct tulip_mediasw tlp_al981_mediasw = { 5555 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5556 }; 5557 5558 void 5559 tlp_al981_tmsw_init(sc) 5560 struct tulip_softc *sc; 5561 { 5562 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5563 5564 sc->sc_mii.mii_ifp = ifp; 5565 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5566 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5567 sc->sc_mii.mii_statchg = sc->sc_statchg; 5568 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5569 tlp_mediastatus); 5570 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5571 MII_OFFSET_ANY, 0); 5572 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5573 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5574 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5575 } else { 5576 sc->sc_flags |= TULIPF_HAS_MII; 5577 sc->sc_tick = tlp_mii_tick; 5578 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5579 } 5580 } 5581 5582 /* 5583 * ADMtek AN983/985 media switch. Only has internal PHY, but 5584 * on an SIO-like interface. Unfortunately, we can't use the 5585 * standard SIO media switch, because the AN985 "ghosts" the 5586 * singly PHY at every address. 5587 */ 5588 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5589 5590 const struct tulip_mediasw tlp_an985_mediasw = { 5591 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5592 }; 5593 5594 void 5595 tlp_an985_tmsw_init(sc) 5596 struct tulip_softc *sc; 5597 { 5598 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5599 5600 sc->sc_mii.mii_ifp = ifp; 5601 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5602 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5603 sc->sc_mii.mii_statchg = sc->sc_statchg; 5604 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5605 tlp_mediastatus); 5606 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5607 MII_OFFSET_ANY, 0); 5608 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5609 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5610 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5611 } else { 5612 sc->sc_flags |= TULIPF_HAS_MII; 5613 sc->sc_tick = tlp_mii_tick; 5614 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5615 } 5616 } 5617 5618 /* 5619 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5620 */ 5621 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5622 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5623 struct ifmediareq *)); 5624 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5625 5626 const struct tulip_mediasw tlp_dm9102_mediasw = { 5627 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5628 tlp_dm9102_tmsw_setmedia 5629 }; 5630 5631 void 5632 tlp_dm9102_tmsw_init(sc) 5633 struct tulip_softc *sc; 5634 { 5635 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5636 u_int32_t opmode; 5637 5638 sc->sc_mii.mii_ifp = ifp; 5639 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5640 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5641 sc->sc_mii.mii_statchg = sc->sc_statchg; 5642 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5643 tlp_mediastatus); 5644 5645 /* PHY block already reset via tlp_reset(). */ 5646 5647 /* 5648 * Configure OPMODE properly for the internal MII interface. 5649 */ 5650 switch (sc->sc_chip) { 5651 case TULIP_CHIP_DM9102: 5652 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5653 break; 5654 5655 case TULIP_CHIP_DM9102A: 5656 opmode = OPMODE_MBO|OPMODE_HBD; 5657 break; 5658 5659 default: 5660 /* Nothing. */ 5661 break; 5662 } 5663 5664 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5665 5666 /* Now, probe the internal MII for the internal PHY. */ 5667 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5668 MII_OFFSET_ANY, 0); 5669 5670 /* 5671 * XXX Figure out what to do about the HomePNA portion 5672 * XXX of the DM9102A. 5673 */ 5674 5675 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5676 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5677 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5678 } else { 5679 sc->sc_flags |= TULIPF_HAS_MII; 5680 sc->sc_tick = tlp_mii_tick; 5681 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5682 } 5683 } 5684 5685 void 5686 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5687 struct tulip_softc *sc; 5688 struct ifmediareq *ifmr; 5689 { 5690 5691 /* XXX HomePNA on DM9102A. */ 5692 tlp_mii_getmedia(sc, ifmr); 5693 } 5694 5695 int 5696 tlp_dm9102_tmsw_setmedia(sc) 5697 struct tulip_softc *sc; 5698 { 5699 5700 /* XXX HomePNA on DM9102A. */ 5701 return (tlp_mii_setmedia(sc)); 5702 } 5703
Indexes created Mon Sep 22 05:09:51 GMT 2025