tulip.c revision 1.105
1 /* $NetBSD: tulip.c,v 1.105 2002/03/16 17:38:35 chs 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 1.105 2002/03/16 17:38:35 chs 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_reset __P((struct tulip_softc *)); 107 void tlp_rxdrain __P((struct tulip_softc *)); 108 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 109 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 110 void tlp_srom_idle __P((struct tulip_softc *)); 111 int tlp_srom_size __P((struct tulip_softc *)); 112 113 int tlp_enable __P((struct tulip_softc *)); 114 void tlp_disable __P((struct tulip_softc *)); 115 void tlp_power __P((int, void *)); 116 117 void tlp_filter_setup __P((struct tulip_softc *)); 118 void tlp_winb_filter_setup __P((struct tulip_softc *)); 119 void tlp_al981_filter_setup __P((struct tulip_softc *)); 120 121 void tlp_rxintr __P((struct tulip_softc *)); 122 void tlp_txintr __P((struct tulip_softc *)); 123 124 void tlp_mii_tick __P((void *)); 125 void tlp_mii_statchg __P((struct device *)); 126 void tlp_winb_mii_statchg __P((struct device *)); 127 void tlp_dm9102_mii_statchg __P((struct device *)); 128 129 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 130 int tlp_mii_setmedia __P((struct tulip_softc *)); 131 132 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 133 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 134 135 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 136 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 137 138 int tlp_al981_mii_readreg __P((struct device *, int, int)); 139 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 140 141 void tlp_2114x_preinit __P((struct tulip_softc *)); 142 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 143 void tlp_pnic_preinit __P((struct tulip_softc *)); 144 void tlp_dm9102_preinit __P((struct tulip_softc *)); 145 146 void tlp_21140_reset __P((struct tulip_softc *)); 147 void tlp_21142_reset __P((struct tulip_softc *)); 148 void tlp_pmac_reset __P((struct tulip_softc *)); 149 void tlp_dm9102_reset __P((struct tulip_softc *)); 150 151 #define tlp_mchash(addr, sz) \ 152 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 153 154 /* 155 * MII bit-bang glue. 156 */ 157 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 158 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 159 160 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 161 tlp_sio_mii_bitbang_read, 162 tlp_sio_mii_bitbang_write, 163 { 164 MIIROM_MDO, /* MII_BIT_MDO */ 165 MIIROM_MDI, /* MII_BIT_MDI */ 166 MIIROM_MDC, /* MII_BIT_MDC */ 167 0, /* MII_BIT_DIR_HOST_PHY */ 168 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 169 } 170 }; 171 172 #ifdef TLP_DEBUG 173 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 174 printf x 175 #else 176 #define DPRINTF(sc, x) /* nothing */ 177 #endif 178 179 #ifdef TLP_STATS 180 void tlp_print_stats __P((struct tulip_softc *)); 181 #endif 182 183 /* 184 * Can be used to debug the SROM-related things, including contents. 185 * Initialized so that it's patchable. 186 */ 187 int tlp_srom_debug = 0; 188 189 /* 190 * tlp_attach: 191 * 192 * Attach a Tulip interface to the system. 193 */ 194 void 195 tlp_attach(sc, enaddr) 196 struct tulip_softc *sc; 197 const u_int8_t *enaddr; 198 { 199 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 200 int i, error; 201 202 callout_init(&sc->sc_nway_callout); 203 callout_init(&sc->sc_tick_callout); 204 205 /* 206 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 207 */ 208 209 /* 210 * Setup the transmit threshold table. 211 */ 212 switch (sc->sc_chip) { 213 case TULIP_CHIP_DE425: 214 case TULIP_CHIP_21040: 215 case TULIP_CHIP_21041: 216 sc->sc_txth = tlp_10_txthresh_tab; 217 break; 218 219 case TULIP_CHIP_DM9102: 220 case TULIP_CHIP_DM9102A: 221 sc->sc_txth = tlp_dm9102_txthresh_tab; 222 break; 223 224 default: 225 sc->sc_txth = tlp_10_100_txthresh_tab; 226 break; 227 } 228 229 /* 230 * Setup the filter setup function. 231 */ 232 switch (sc->sc_chip) { 233 case TULIP_CHIP_WB89C840F: 234 sc->sc_filter_setup = tlp_winb_filter_setup; 235 break; 236 237 case TULIP_CHIP_AL981: 238 case TULIP_CHIP_AN983: 239 case TULIP_CHIP_AN985: 240 sc->sc_filter_setup = tlp_al981_filter_setup; 241 break; 242 243 default: 244 sc->sc_filter_setup = tlp_filter_setup; 245 break; 246 } 247 248 /* 249 * Set up the media status change function. 250 */ 251 switch (sc->sc_chip) { 252 case TULIP_CHIP_WB89C840F: 253 sc->sc_statchg = tlp_winb_mii_statchg; 254 break; 255 256 case TULIP_CHIP_DM9102: 257 case TULIP_CHIP_DM9102A: 258 sc->sc_statchg = tlp_dm9102_mii_statchg; 259 break; 260 261 default: 262 /* 263 * We may override this if we have special media 264 * handling requirements (e.g. flipping GPIO pins). 265 * 266 * The pure-MII statchg function covers the basics. 267 */ 268 sc->sc_statchg = tlp_mii_statchg; 269 break; 270 } 271 272 /* 273 * Default to no FS|LS in setup packet descriptors. They're 274 * supposed to be zero according to the 21040 and 21143 275 * manuals, and some chips fall over badly if they're 276 * included. Yet, other chips seem to require them. Sigh. 277 */ 278 switch (sc->sc_chip) { 279 case TULIP_CHIP_X3201_3: 280 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 281 break; 282 283 default: 284 sc->sc_setup_fsls = 0; 285 } 286 287 /* 288 * Set up various chip-specific quirks. 289 * 290 * Note that wherever we can, we use the "ring" option for 291 * transmit and receive descriptors. This is because some 292 * clone chips apparently have problems when using chaining, 293 * although some *only* support chaining. 294 * 295 * What we do is always program the "next" pointer, and then 296 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 297 * appropriate places. 298 */ 299 switch (sc->sc_chip) { 300 case TULIP_CHIP_21140: 301 case TULIP_CHIP_21140A: 302 case TULIP_CHIP_21142: 303 case TULIP_CHIP_21143: 304 case TULIP_CHIP_82C115: /* 21143-like */ 305 case TULIP_CHIP_MX98713: /* 21140-like */ 306 case TULIP_CHIP_MX98713A: /* 21143-like */ 307 case TULIP_CHIP_MX98715: /* 21143-like */ 308 case TULIP_CHIP_MX98715A: /* 21143-like */ 309 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 310 case TULIP_CHIP_MX98725: /* 21143-like */ 311 /* 312 * Run these chips in ring mode. 313 */ 314 sc->sc_tdctl_ch = 0; 315 sc->sc_tdctl_er = TDCTL_ER; 316 sc->sc_preinit = tlp_2114x_preinit; 317 break; 318 319 case TULIP_CHIP_82C168: 320 case TULIP_CHIP_82C169: 321 /* 322 * Run these chips in ring mode. 323 */ 324 sc->sc_tdctl_ch = 0; 325 sc->sc_tdctl_er = TDCTL_ER; 326 sc->sc_preinit = tlp_pnic_preinit; 327 328 /* 329 * These chips seem to have busted DMA engines; just put them 330 * in Store-and-Forward mode from the get-go. 331 */ 332 sc->sc_txthresh = TXTH_SF; 333 break; 334 335 case TULIP_CHIP_WB89C840F: 336 /* 337 * Run this chip in chained mode. 338 */ 339 sc->sc_tdctl_ch = TDCTL_CH; 340 sc->sc_tdctl_er = 0; 341 sc->sc_flags |= TULIPF_IC_FS; 342 break; 343 344 case TULIP_CHIP_DM9102: 345 case TULIP_CHIP_DM9102A: 346 /* 347 * Run these chips in chained mode. 348 */ 349 sc->sc_tdctl_ch = TDCTL_CH; 350 sc->sc_tdctl_er = 0; 351 sc->sc_preinit = tlp_dm9102_preinit; 352 353 /* 354 * These chips have a broken bus interface, so we 355 * can't use any optimized bus commands. For this 356 * reason, we tend to underrun pretty quickly, so 357 * just to Store-and-Forward mode from the get-go. 358 */ 359 sc->sc_txthresh = TXTH_DM9102_SF; 360 break; 361 362 default: 363 /* 364 * Default to running in ring mode. 365 */ 366 sc->sc_tdctl_ch = 0; 367 sc->sc_tdctl_er = TDCTL_ER; 368 } 369 370 /* 371 * Set up the MII bit-bang operations. 372 */ 373 switch (sc->sc_chip) { 374 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 375 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 376 break; 377 378 default: 379 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 380 } 381 382 SIMPLEQ_INIT(&sc->sc_txfreeq); 383 SIMPLEQ_INIT(&sc->sc_txdirtyq); 384 385 /* 386 * Allocate the control data structures, and create and load the 387 * DMA map for it. 388 */ 389 if ((error = bus_dmamem_alloc(sc->sc_dmat, 390 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 391 1, &sc->sc_cdnseg, 0)) != 0) { 392 printf("%s: unable to allocate control data, error = %d\n", 393 sc->sc_dev.dv_xname, error); 394 goto fail_0; 395 } 396 397 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 398 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 399 BUS_DMA_COHERENT)) != 0) { 400 printf("%s: unable to map control data, error = %d\n", 401 sc->sc_dev.dv_xname, error); 402 goto fail_1; 403 } 404 405 if ((error = bus_dmamap_create(sc->sc_dmat, 406 sizeof(struct tulip_control_data), 1, 407 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 408 printf("%s: unable to create control data DMA map, " 409 "error = %d\n", sc->sc_dev.dv_xname, error); 410 goto fail_2; 411 } 412 413 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 414 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 415 0)) != 0) { 416 printf("%s: unable to load control data DMA map, error = %d\n", 417 sc->sc_dev.dv_xname, error); 418 goto fail_3; 419 } 420 421 /* 422 * Create the transmit buffer DMA maps. 423 * 424 * Note that on the Xircom clone, transmit buffers must be 425 * 4-byte aligned. We're almost guaranteed to have to copy 426 * the packet in that case, so we just limit ourselves to 427 * one segment. 428 * 429 * On the DM9102, the transmit logic can only handle one 430 * DMA segment. 431 */ 432 switch (sc->sc_chip) { 433 case TULIP_CHIP_X3201_3: 434 case TULIP_CHIP_DM9102: 435 case TULIP_CHIP_DM9102A: 436 sc->sc_ntxsegs = 1; 437 break; 438 439 default: 440 sc->sc_ntxsegs = TULIP_NTXSEGS; 441 } 442 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 443 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 444 sc->sc_ntxsegs, MCLBYTES, 0, 0, 445 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 446 printf("%s: unable to create tx DMA map %d, " 447 "error = %d\n", sc->sc_dev.dv_xname, i, error); 448 goto fail_4; 449 } 450 } 451 452 /* 453 * Create the receive buffer DMA maps. 454 */ 455 for (i = 0; i < TULIP_NRXDESC; i++) { 456 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 457 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 458 printf("%s: unable to create rx DMA map %d, " 459 "error = %d\n", sc->sc_dev.dv_xname, i, error); 460 goto fail_5; 461 } 462 sc->sc_rxsoft[i].rxs_mbuf = NULL; 463 } 464 465 /* 466 * From this point forward, the attachment cannot fail. A failure 467 * before this point releases all resources that may have been 468 * allocated. 469 */ 470 sc->sc_flags |= TULIPF_ATTACHED; 471 472 /* 473 * Reset the chip to a known state. 474 */ 475 tlp_reset(sc); 476 477 /* Announce ourselves. */ 478 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 479 sc->sc_name[0] != '\0' ? sc->sc_name : "", 480 sc->sc_name[0] != '\0' ? ", " : "", 481 ether_sprintf(enaddr)); 482 483 /* 484 * Initialize our media structures. This may probe the MII, if 485 * present. 486 */ 487 (*sc->sc_mediasw->tmsw_init)(sc); 488 489 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 490 ifp->if_softc = sc; 491 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 492 ifp->if_ioctl = tlp_ioctl; 493 ifp->if_start = tlp_start; 494 ifp->if_watchdog = tlp_watchdog; 495 ifp->if_init = tlp_init; 496 ifp->if_stop = tlp_stop; 497 IFQ_SET_READY(&ifp->if_snd); 498 499 /* 500 * We can support 802.1Q VLAN-sized frames. 501 */ 502 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 503 504 /* 505 * Attach the interface. 506 */ 507 if_attach(ifp); 508 ether_ifattach(ifp, enaddr); 509 #if NRND > 0 510 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 511 RND_TYPE_NET, 0); 512 #endif 513 514 /* 515 * Make sure the interface is shutdown during reboot. 516 */ 517 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 518 if (sc->sc_sdhook == NULL) 519 printf("%s: WARNING: unable to establish shutdown hook\n", 520 sc->sc_dev.dv_xname); 521 522 /* 523 * Add a suspend hook to make sure we come back up after a 524 * resume. 525 */ 526 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 527 if (sc->sc_powerhook == NULL) 528 printf("%s: WARNING: unable to establish power hook\n", 529 sc->sc_dev.dv_xname); 530 return; 531 532 /* 533 * Free any resources we've allocated during the failed attach 534 * attempt. Do this in reverse order and fall through. 535 */ 536 fail_5: 537 for (i = 0; i < TULIP_NRXDESC; i++) { 538 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 539 bus_dmamap_destroy(sc->sc_dmat, 540 sc->sc_rxsoft[i].rxs_dmamap); 541 } 542 fail_4: 543 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 544 if (sc->sc_txsoft[i].txs_dmamap != NULL) 545 bus_dmamap_destroy(sc->sc_dmat, 546 sc->sc_txsoft[i].txs_dmamap); 547 } 548 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 549 fail_3: 550 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 551 fail_2: 552 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 553 sizeof(struct tulip_control_data)); 554 fail_1: 555 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 556 fail_0: 557 return; 558 } 559 560 /* 561 * tlp_activate: 562 * 563 * Handle device activation/deactivation requests. 564 */ 565 int 566 tlp_activate(self, act) 567 struct device *self; 568 enum devact act; 569 { 570 struct tulip_softc *sc = (void *) self; 571 int s, error = 0; 572 573 s = splnet(); 574 switch (act) { 575 case DVACT_ACTIVATE: 576 error = EOPNOTSUPP; 577 break; 578 579 case DVACT_DEACTIVATE: 580 if (sc->sc_flags & TULIPF_HAS_MII) 581 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 582 MII_OFFSET_ANY); 583 if_deactivate(&sc->sc_ethercom.ec_if); 584 break; 585 } 586 splx(s); 587 588 return (error); 589 } 590 591 /* 592 * tlp_detach: 593 * 594 * Detach a Tulip interface. 595 */ 596 int 597 tlp_detach(sc) 598 struct tulip_softc *sc; 599 { 600 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 601 struct tulip_rxsoft *rxs; 602 struct tulip_txsoft *txs; 603 int i; 604 605 /* 606 * Succeed now if there isn't any work to do. 607 */ 608 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 609 return (0); 610 611 /* Unhook our tick handler. */ 612 if (sc->sc_tick) 613 callout_stop(&sc->sc_tick_callout); 614 615 if (sc->sc_flags & TULIPF_HAS_MII) { 616 /* Detach all PHYs */ 617 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 618 } 619 620 /* Delete all remaining media. */ 621 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 622 623 #if NRND > 0 624 rnd_detach_source(&sc->sc_rnd_source); 625 #endif 626 ether_ifdetach(ifp); 627 if_detach(ifp); 628 629 for (i = 0; i < TULIP_NRXDESC; i++) { 630 rxs = &sc->sc_rxsoft[i]; 631 if (rxs->rxs_mbuf != NULL) { 632 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 633 m_freem(rxs->rxs_mbuf); 634 rxs->rxs_mbuf = NULL; 635 } 636 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 637 } 638 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 639 txs = &sc->sc_txsoft[i]; 640 if (txs->txs_mbuf != NULL) { 641 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 642 m_freem(txs->txs_mbuf); 643 txs->txs_mbuf = NULL; 644 } 645 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 646 } 647 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 648 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 649 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 650 sizeof(struct tulip_control_data)); 651 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 652 653 shutdownhook_disestablish(sc->sc_sdhook); 654 powerhook_disestablish(sc->sc_powerhook); 655 656 if (sc->sc_srom) 657 free(sc->sc_srom, M_DEVBUF); 658 659 return (0); 660 } 661 662 /* 663 * tlp_shutdown: 664 * 665 * Make sure the interface is stopped at reboot time. 666 */ 667 void 668 tlp_shutdown(arg) 669 void *arg; 670 { 671 struct tulip_softc *sc = arg; 672 673 tlp_stop(&sc->sc_ethercom.ec_if, 1); 674 } 675 676 /* 677 * tlp_start: [ifnet interface function] 678 * 679 * Start packet transmission on the interface. 680 */ 681 void 682 tlp_start(ifp) 683 struct ifnet *ifp; 684 { 685 struct tulip_softc *sc = ifp->if_softc; 686 struct mbuf *m0, *m; 687 struct tulip_txsoft *txs, *last_txs; 688 bus_dmamap_t dmamap; 689 int error, firsttx, nexttx, lasttx, ofree, seg; 690 691 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 692 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 693 694 /* 695 * If we want a filter setup, it means no more descriptors were 696 * available for the setup routine. Let it get a chance to wedge 697 * itself into the ring. 698 */ 699 if (sc->sc_flags & TULIPF_WANT_SETUP) 700 ifp->if_flags |= IFF_OACTIVE; 701 702 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 703 return; 704 705 /* 706 * Remember the previous number of free descriptors and 707 * the first descriptor we'll use. 708 */ 709 ofree = sc->sc_txfree; 710 firsttx = sc->sc_txnext; 711 712 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 713 sc->sc_dev.dv_xname, ofree, firsttx)); 714 715 /* 716 * Loop through the send queue, setting up transmit descriptors 717 * until we drain the queue, or use up all available transmit 718 * descriptors. 719 */ 720 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 721 sc->sc_txfree != 0) { 722 /* 723 * Grab a packet off the queue. 724 */ 725 IFQ_POLL(&ifp->if_snd, m0); 726 if (m0 == NULL) 727 break; 728 m = NULL; 729 730 dmamap = txs->txs_dmamap; 731 732 /* 733 * Load the DMA map. If this fails, the packet either 734 * didn't fit in the alloted number of segments, or we were 735 * short on resources. In this case, we'll copy and try 736 * again. 737 * 738 * Note that if we're only allowed 1 Tx segment, we 739 * have an alignment restriction. Do this test before 740 * attempting to load the DMA map, because it's more 741 * likely we'll trip the alignment test than the 742 * more-than-one-segment test. 743 */ 744 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 745 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 746 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 747 MGETHDR(m, M_DONTWAIT, MT_DATA); 748 if (m == NULL) { 749 printf("%s: unable to allocate Tx mbuf\n", 750 sc->sc_dev.dv_xname); 751 break; 752 } 753 if (m0->m_pkthdr.len > MHLEN) { 754 MCLGET(m, M_DONTWAIT); 755 if ((m->m_flags & M_EXT) == 0) { 756 printf("%s: unable to allocate Tx " 757 "cluster\n", sc->sc_dev.dv_xname); 758 m_freem(m); 759 break; 760 } 761 } 762 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 763 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 764 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 765 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 766 if (error) { 767 printf("%s: unable to load Tx buffer, " 768 "error = %d\n", sc->sc_dev.dv_xname, error); 769 break; 770 } 771 } 772 773 /* 774 * Ensure we have enough descriptors free to describe 775 * the packet. 776 */ 777 if (dmamap->dm_nsegs > sc->sc_txfree) { 778 /* 779 * Not enough free descriptors to transmit this 780 * packet. We haven't committed to anything yet, 781 * so just unload the DMA map, put the packet 782 * back on the queue, and punt. Notify the upper 783 * layer that there are no more slots left. 784 * 785 * XXX We could allocate an mbuf and copy, but 786 * XXX it is worth it? 787 */ 788 ifp->if_flags |= IFF_OACTIVE; 789 bus_dmamap_unload(sc->sc_dmat, dmamap); 790 if (m != NULL) 791 m_freem(m); 792 break; 793 } 794 795 IFQ_DEQUEUE(&ifp->if_snd, m0); 796 if (m != NULL) { 797 m_freem(m0); 798 m0 = m; 799 } 800 801 /* 802 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 803 */ 804 805 /* Sync the DMA map. */ 806 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 807 BUS_DMASYNC_PREWRITE); 808 809 /* 810 * Initialize the transmit descriptors. 811 */ 812 for (nexttx = sc->sc_txnext, seg = 0; 813 seg < dmamap->dm_nsegs; 814 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 815 /* 816 * If this is the first descriptor we're 817 * enqueueing, don't set the OWN bit just 818 * yet. That could cause a race condition. 819 * We'll do it below. 820 */ 821 sc->sc_txdescs[nexttx].td_status = 822 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 823 sc->sc_txdescs[nexttx].td_bufaddr1 = 824 htole32(dmamap->dm_segs[seg].ds_addr); 825 sc->sc_txdescs[nexttx].td_ctl = 826 htole32((dmamap->dm_segs[seg].ds_len << 827 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 828 (nexttx == (TULIP_NTXDESC - 1) ? 829 sc->sc_tdctl_er : 0)); 830 lasttx = nexttx; 831 } 832 833 /* Set `first segment' and `last segment' appropriately. */ 834 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 835 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 836 837 #ifdef TLP_DEBUG 838 if (ifp->if_flags & IFF_DEBUG) { 839 printf(" txsoft %p transmit chain:\n", txs); 840 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 841 printf(" descriptor %d:\n", seg); 842 printf(" td_status: 0x%08x\n", 843 le32toh(sc->sc_txdescs[seg].td_status)); 844 printf(" td_ctl: 0x%08x\n", 845 le32toh(sc->sc_txdescs[seg].td_ctl)); 846 printf(" td_bufaddr1: 0x%08x\n", 847 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 848 printf(" td_bufaddr2: 0x%08x\n", 849 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 850 if (seg == lasttx) 851 break; 852 } 853 } 854 #endif 855 856 /* Sync the descriptors we're using. */ 857 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 858 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 859 860 /* 861 * Store a pointer to the packet so we can free it later, 862 * and remember what txdirty will be once the packet is 863 * done. 864 */ 865 txs->txs_mbuf = m0; 866 txs->txs_firstdesc = sc->sc_txnext; 867 txs->txs_lastdesc = lasttx; 868 txs->txs_ndescs = dmamap->dm_nsegs; 869 870 /* Advance the tx pointer. */ 871 sc->sc_txfree -= dmamap->dm_nsegs; 872 sc->sc_txnext = nexttx; 873 874 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 875 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 876 877 last_txs = txs; 878 879 #if NBPFILTER > 0 880 /* 881 * Pass the packet to any BPF listeners. 882 */ 883 if (ifp->if_bpf) 884 bpf_mtap(ifp->if_bpf, m0); 885 #endif /* NBPFILTER > 0 */ 886 } 887 888 if (txs == NULL || sc->sc_txfree == 0) { 889 /* No more slots left; notify upper layer. */ 890 ifp->if_flags |= IFF_OACTIVE; 891 } 892 893 if (sc->sc_txfree != ofree) { 894 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 895 sc->sc_dev.dv_xname, lasttx, firsttx)); 896 /* 897 * Cause a transmit interrupt to happen on the 898 * last packet we enqueued. 899 */ 900 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 901 TULIP_CDTXSYNC(sc, lasttx, 1, 902 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 903 904 /* 905 * Some clone chips want IC on the *first* segment in 906 * the packet. Appease them. 907 */ 908 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 909 last_txs->txs_firstdesc != lasttx) { 910 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 911 htole32(TDCTL_Tx_IC); 912 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 913 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 914 } 915 916 /* 917 * The entire packet chain is set up. Give the 918 * first descriptor to the chip now. 919 */ 920 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 921 TULIP_CDTXSYNC(sc, firsttx, 1, 922 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 923 924 /* Wake up the transmitter. */ 925 /* XXX USE AUTOPOLLING? */ 926 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 927 928 /* Set a watchdog timer in case the chip flakes out. */ 929 ifp->if_timer = 5; 930 } 931 } 932 933 /* 934 * tlp_watchdog: [ifnet interface function] 935 * 936 * Watchdog timer handler. 937 */ 938 void 939 tlp_watchdog(ifp) 940 struct ifnet *ifp; 941 { 942 struct tulip_softc *sc = ifp->if_softc; 943 int doing_setup, doing_transmit; 944 945 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 946 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 947 948 if (doing_setup && doing_transmit) { 949 printf("%s: filter setup and transmit timeout\n", 950 sc->sc_dev.dv_xname); 951 ifp->if_oerrors++; 952 } else if (doing_transmit) { 953 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 954 ifp->if_oerrors++; 955 } else if (doing_setup) 956 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 957 else 958 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 959 960 (void) tlp_init(ifp); 961 962 /* Try to get more packets going. */ 963 tlp_start(ifp); 964 } 965 966 /* 967 * tlp_ioctl: [ifnet interface function] 968 * 969 * Handle control requests from the operator. 970 */ 971 int 972 tlp_ioctl(ifp, cmd, data) 973 struct ifnet *ifp; 974 u_long cmd; 975 caddr_t data; 976 { 977 struct tulip_softc *sc = ifp->if_softc; 978 struct ifreq *ifr = (struct ifreq *)data; 979 int s, error; 980 981 s = splnet(); 982 983 switch (cmd) { 984 case SIOCSIFMEDIA: 985 case SIOCGIFMEDIA: 986 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 987 break; 988 989 default: 990 error = ether_ioctl(ifp, cmd, data); 991 if (error == ENETRESET) { 992 if (TULIP_IS_ENABLED(sc)) { 993 /* 994 * Multicast list has changed. Set the 995 * hardware filter accordingly. 996 */ 997 (*sc->sc_filter_setup)(sc); 998 } 999 error = 0; 1000 } 1001 break; 1002 } 1003 1004 /* Try to get more packets going. */ 1005 if (TULIP_IS_ENABLED(sc)) 1006 tlp_start(ifp); 1007 1008 splx(s); 1009 return (error); 1010 } 1011 1012 /* 1013 * tlp_intr: 1014 * 1015 * Interrupt service routine. 1016 */ 1017 int 1018 tlp_intr(arg) 1019 void *arg; 1020 { 1021 struct tulip_softc *sc = arg; 1022 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1023 u_int32_t status, rxstatus, txstatus; 1024 int handled = 0, txthresh; 1025 1026 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1027 1028 #ifdef DEBUG 1029 if (TULIP_IS_ENABLED(sc) == 0) 1030 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1031 #endif 1032 1033 /* 1034 * If the interface isn't running, the interrupt couldn't 1035 * possibly have come from us. 1036 */ 1037 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1038 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1039 return (0); 1040 1041 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1042 switch (sc->sc_chip) { 1043 case TULIP_CHIP_DM9102: 1044 case TULIP_CHIP_DM9102A: 1045 TULIP_WRITE(sc, CSR_INTEN, 0); 1046 break; 1047 1048 default: 1049 /* Nothing. */ 1050 break; 1051 } 1052 1053 for (;;) { 1054 status = TULIP_READ(sc, CSR_STATUS); 1055 if (status) 1056 TULIP_WRITE(sc, CSR_STATUS, status); 1057 1058 if ((status & sc->sc_inten) == 0) 1059 break; 1060 1061 handled = 1; 1062 1063 rxstatus = status & sc->sc_rxint_mask; 1064 txstatus = status & sc->sc_txint_mask; 1065 1066 if (rxstatus) { 1067 /* Grab new any new packets. */ 1068 tlp_rxintr(sc); 1069 1070 if (rxstatus & STATUS_RWT) 1071 printf("%s: receive watchdog timeout\n", 1072 sc->sc_dev.dv_xname); 1073 1074 if (rxstatus & STATUS_RU) { 1075 printf("%s: receive ring overrun\n", 1076 sc->sc_dev.dv_xname); 1077 /* Get the receive process going again. */ 1078 if (sc->sc_tdctl_er != TDCTL_ER) { 1079 tlp_idle(sc, OPMODE_SR); 1080 TULIP_WRITE(sc, CSR_RXLIST, 1081 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1082 TULIP_WRITE(sc, CSR_OPMODE, 1083 sc->sc_opmode); 1084 } 1085 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1086 break; 1087 } 1088 } 1089 1090 if (txstatus) { 1091 /* Sweep up transmit descriptors. */ 1092 tlp_txintr(sc); 1093 1094 if (txstatus & STATUS_TJT) 1095 printf("%s: transmit jabber timeout\n", 1096 sc->sc_dev.dv_xname); 1097 1098 if (txstatus & STATUS_UNF) { 1099 /* 1100 * Increase our transmit threshold if 1101 * another is available. 1102 */ 1103 txthresh = sc->sc_txthresh + 1; 1104 if (sc->sc_txth[txthresh].txth_name != NULL) { 1105 /* Idle the transmit process. */ 1106 tlp_idle(sc, OPMODE_ST); 1107 1108 sc->sc_txthresh = txthresh; 1109 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1110 sc->sc_opmode |= 1111 sc->sc_txth[txthresh].txth_opmode; 1112 printf("%s: transmit underrun; new " 1113 "threshold: %s\n", 1114 sc->sc_dev.dv_xname, 1115 sc->sc_txth[txthresh].txth_name); 1116 1117 /* 1118 * Set the new threshold and restart 1119 * the transmit process. 1120 */ 1121 TULIP_WRITE(sc, CSR_OPMODE, 1122 sc->sc_opmode); 1123 } 1124 /* 1125 * XXX Log every Nth underrun from 1126 * XXX now on? 1127 */ 1128 } 1129 } 1130 1131 if (status & (STATUS_TPS|STATUS_RPS)) { 1132 if (status & STATUS_TPS) 1133 printf("%s: transmit process stopped\n", 1134 sc->sc_dev.dv_xname); 1135 if (status & STATUS_RPS) 1136 printf("%s: receive process stopped\n", 1137 sc->sc_dev.dv_xname); 1138 (void) tlp_init(ifp); 1139 break; 1140 } 1141 1142 if (status & STATUS_SE) { 1143 const char *str; 1144 switch (status & STATUS_EB) { 1145 case STATUS_EB_PARITY: 1146 str = "parity error"; 1147 break; 1148 1149 case STATUS_EB_MABT: 1150 str = "master abort"; 1151 break; 1152 1153 case STATUS_EB_TABT: 1154 str = "target abort"; 1155 break; 1156 1157 default: 1158 str = "unknown error"; 1159 break; 1160 } 1161 printf("%s: fatal system error: %s\n", 1162 sc->sc_dev.dv_xname, str); 1163 (void) tlp_init(ifp); 1164 break; 1165 } 1166 1167 /* 1168 * Not handled: 1169 * 1170 * Transmit buffer unavailable -- normal 1171 * condition, nothing to do, really. 1172 * 1173 * General purpose timer experied -- we don't 1174 * use the general purpose timer. 1175 * 1176 * Early receive interrupt -- not available on 1177 * all chips, we just use RI. We also only 1178 * use single-segment receive DMA, so this 1179 * is mostly useless. 1180 */ 1181 } 1182 1183 /* Bring interrupts back up on the DM9102. */ 1184 switch (sc->sc_chip) { 1185 case TULIP_CHIP_DM9102: 1186 case TULIP_CHIP_DM9102A: 1187 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1188 break; 1189 1190 default: 1191 /* Nothing. */ 1192 break; 1193 } 1194 1195 /* Try to get more packets going. */ 1196 tlp_start(ifp); 1197 1198 #if NRND > 0 1199 if (handled) 1200 rnd_add_uint32(&sc->sc_rnd_source, status); 1201 #endif 1202 return (handled); 1203 } 1204 1205 /* 1206 * tlp_rxintr: 1207 * 1208 * Helper; handle receive interrupts. 1209 */ 1210 void 1211 tlp_rxintr(sc) 1212 struct tulip_softc *sc; 1213 { 1214 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1215 struct ether_header *eh; 1216 struct tulip_rxsoft *rxs; 1217 struct mbuf *m; 1218 u_int32_t rxstat; 1219 int i, len; 1220 1221 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1222 rxs = &sc->sc_rxsoft[i]; 1223 1224 TULIP_CDRXSYNC(sc, i, 1225 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1226 1227 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1228 1229 if (rxstat & TDSTAT_OWN) { 1230 /* 1231 * We have processed all of the receive buffers. 1232 */ 1233 break; 1234 } 1235 1236 /* 1237 * Make sure the packet fit in one buffer. This should 1238 * always be the case. But the Lite-On PNIC, rev 33 1239 * has an awful receive engine bug, which may require 1240 * a very icky work-around. 1241 */ 1242 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1243 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1244 printf("%s: incoming packet spilled, resetting\n", 1245 sc->sc_dev.dv_xname); 1246 (void) tlp_init(ifp); 1247 return; 1248 } 1249 1250 /* 1251 * If any collisions were seen on the wire, count one. 1252 */ 1253 if (rxstat & TDSTAT_Rx_CS) 1254 ifp->if_collisions++; 1255 1256 /* 1257 * If an error occurred, update stats, clear the status 1258 * word, and leave the packet buffer in place. It will 1259 * simply be reused the next time the ring comes around. 1260 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1261 * error. 1262 */ 1263 if (rxstat & TDSTAT_ES && 1264 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1265 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1266 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1267 #define PRINTERR(bit, str) \ 1268 if (rxstat & (bit)) \ 1269 printf("%s: receive error: %s\n", \ 1270 sc->sc_dev.dv_xname, str) 1271 ifp->if_ierrors++; 1272 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1273 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1274 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1275 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1276 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1277 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1278 #undef PRINTERR 1279 TULIP_INIT_RXDESC(sc, i); 1280 continue; 1281 } 1282 1283 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1284 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1285 1286 /* 1287 * No errors; receive the packet. Note the Tulip 1288 * includes the CRC with every packet. 1289 */ 1290 len = TDSTAT_Rx_LENGTH(rxstat); 1291 1292 #ifdef __NO_STRICT_ALIGNMENT 1293 /* 1294 * Allocate a new mbuf cluster. If that fails, we are 1295 * out of memory, and must drop the packet and recycle 1296 * the buffer that's already attached to this descriptor. 1297 */ 1298 m = rxs->rxs_mbuf; 1299 if (tlp_add_rxbuf(sc, i) != 0) { 1300 ifp->if_ierrors++; 1301 TULIP_INIT_RXDESC(sc, i); 1302 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1303 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1304 continue; 1305 } 1306 #else 1307 /* 1308 * The Tulip's receive buffers must be 4-byte aligned. 1309 * But this means that the data after the Ethernet header 1310 * is misaligned. We must allocate a new buffer and 1311 * copy the data, shifted forward 2 bytes. 1312 */ 1313 MGETHDR(m, M_DONTWAIT, MT_DATA); 1314 if (m == NULL) { 1315 dropit: 1316 ifp->if_ierrors++; 1317 TULIP_INIT_RXDESC(sc, i); 1318 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1319 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1320 continue; 1321 } 1322 if (len > (MHLEN - 2)) { 1323 MCLGET(m, M_DONTWAIT); 1324 if ((m->m_flags & M_EXT) == 0) { 1325 m_freem(m); 1326 goto dropit; 1327 } 1328 } 1329 m->m_data += 2; 1330 1331 /* 1332 * Note that we use clusters for incoming frames, so the 1333 * buffer is virtually contiguous. 1334 */ 1335 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1336 1337 /* Allow the receive descriptor to continue using its mbuf. */ 1338 TULIP_INIT_RXDESC(sc, i); 1339 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1340 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1341 #endif /* __NO_STRICT_ALIGNMENT */ 1342 1343 ifp->if_ipackets++; 1344 eh = mtod(m, struct ether_header *); 1345 m->m_flags |= M_HASFCS; 1346 m->m_pkthdr.rcvif = ifp; 1347 m->m_pkthdr.len = m->m_len = len; 1348 1349 #if NBPFILTER > 0 1350 /* 1351 * Pass this up to any BPF listeners, but only 1352 * pass it up the stack if its for us. 1353 */ 1354 if (ifp->if_bpf) 1355 bpf_mtap(ifp->if_bpf, m); 1356 #endif /* NPBFILTER > 0 */ 1357 1358 /* 1359 * We sometimes have to run the 21140 in Hash-Only 1360 * mode. If we're in that mode, and not in promiscuous 1361 * mode, and we have a unicast packet that isn't for 1362 * us, then drop it. 1363 */ 1364 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1365 (ifp->if_flags & IFF_PROMISC) == 0 && 1366 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1367 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1368 ETHER_ADDR_LEN) != 0) { 1369 m_freem(m); 1370 continue; 1371 } 1372 1373 /* Pass it on. */ 1374 (*ifp->if_input)(ifp, m); 1375 } 1376 1377 /* Update the receive pointer. */ 1378 sc->sc_rxptr = i; 1379 } 1380 1381 /* 1382 * tlp_txintr: 1383 * 1384 * Helper; handle transmit interrupts. 1385 */ 1386 void 1387 tlp_txintr(sc) 1388 struct tulip_softc *sc; 1389 { 1390 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1391 struct tulip_txsoft *txs; 1392 u_int32_t txstat; 1393 1394 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1395 sc->sc_dev.dv_xname, sc->sc_flags)); 1396 1397 ifp->if_flags &= ~IFF_OACTIVE; 1398 1399 /* 1400 * Go through our Tx list and free mbufs for those 1401 * frames that have been transmitted. 1402 */ 1403 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1404 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1405 txs->txs_ndescs, 1406 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1407 1408 #ifdef TLP_DEBUG 1409 if (ifp->if_flags & IFF_DEBUG) { 1410 int i; 1411 printf(" txsoft %p transmit chain:\n", txs); 1412 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1413 printf(" descriptor %d:\n", i); 1414 printf(" td_status: 0x%08x\n", 1415 le32toh(sc->sc_txdescs[i].td_status)); 1416 printf(" td_ctl: 0x%08x\n", 1417 le32toh(sc->sc_txdescs[i].td_ctl)); 1418 printf(" td_bufaddr1: 0x%08x\n", 1419 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1420 printf(" td_bufaddr2: 0x%08x\n", 1421 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1422 if (i == txs->txs_lastdesc) 1423 break; 1424 } 1425 } 1426 #endif 1427 1428 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1429 if (txstat & TDSTAT_OWN) 1430 break; 1431 1432 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1433 1434 sc->sc_txfree += txs->txs_ndescs; 1435 1436 if (txs->txs_mbuf == NULL) { 1437 /* 1438 * If we didn't have an mbuf, it was the setup 1439 * packet. 1440 */ 1441 #ifdef DIAGNOSTIC 1442 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1443 panic("tlp_txintr: null mbuf, not doing setup"); 1444 #endif 1445 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1446 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1447 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1448 continue; 1449 } 1450 1451 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1452 0, txs->txs_dmamap->dm_mapsize, 1453 BUS_DMASYNC_POSTWRITE); 1454 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1455 m_freem(txs->txs_mbuf); 1456 txs->txs_mbuf = NULL; 1457 1458 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1459 1460 /* 1461 * Check for errors and collisions. 1462 */ 1463 #ifdef TLP_STATS 1464 if (txstat & TDSTAT_Tx_UF) 1465 sc->sc_stats.ts_tx_uf++; 1466 if (txstat & TDSTAT_Tx_TO) 1467 sc->sc_stats.ts_tx_to++; 1468 if (txstat & TDSTAT_Tx_EC) 1469 sc->sc_stats.ts_tx_ec++; 1470 if (txstat & TDSTAT_Tx_LC) 1471 sc->sc_stats.ts_tx_lc++; 1472 #endif 1473 1474 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1475 ifp->if_oerrors++; 1476 1477 if (txstat & TDSTAT_Tx_EC) 1478 ifp->if_collisions += 16; 1479 else 1480 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1481 if (txstat & TDSTAT_Tx_LC) 1482 ifp->if_collisions++; 1483 1484 ifp->if_opackets++; 1485 } 1486 1487 /* 1488 * If there are no more pending transmissions, cancel the watchdog 1489 * timer. 1490 */ 1491 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1492 ifp->if_timer = 0; 1493 1494 /* 1495 * If we have a receive filter setup pending, do it now. 1496 */ 1497 if (sc->sc_flags & TULIPF_WANT_SETUP) 1498 (*sc->sc_filter_setup)(sc); 1499 } 1500 1501 #ifdef TLP_STATS 1502 void 1503 tlp_print_stats(sc) 1504 struct tulip_softc *sc; 1505 { 1506 1507 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1508 sc->sc_dev.dv_xname, 1509 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1510 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1511 } 1512 #endif 1513 1514 /* 1515 * tlp_reset: 1516 * 1517 * Perform a soft reset on the Tulip. 1518 */ 1519 void 1520 tlp_reset(sc) 1521 struct tulip_softc *sc; 1522 { 1523 int i; 1524 1525 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1526 1527 /* 1528 * Xircom clone doesn't bring itself out of reset automatically. 1529 * Instead, we have to wait at least 50 PCI cycles, and then 1530 * clear SWR. 1531 */ 1532 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1533 delay(10); 1534 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1535 } 1536 1537 for (i = 0; i < 1000; i++) { 1538 /* 1539 * Wait at least 50 PCI cycles for the reset to 1540 * complete before peeking at the Tulip again. 1541 * 10 uSec is a bit longer than 50 PCI cycles 1542 * (at 33MHz), but it doesn't hurt have the extra 1543 * wait. 1544 */ 1545 delay(10); 1546 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1547 break; 1548 } 1549 1550 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1551 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1552 1553 delay(1000); 1554 1555 /* 1556 * If the board has any GPIO reset sequences to issue, do them now. 1557 */ 1558 if (sc->sc_reset != NULL) 1559 (*sc->sc_reset)(sc); 1560 } 1561 1562 /* 1563 * tlp_init: [ ifnet interface function ] 1564 * 1565 * Initialize the interface. Must be called at splnet(). 1566 */ 1567 int 1568 tlp_init(ifp) 1569 struct ifnet *ifp; 1570 { 1571 struct tulip_softc *sc = ifp->if_softc; 1572 struct tulip_txsoft *txs; 1573 struct tulip_rxsoft *rxs; 1574 int i, error = 0; 1575 1576 if ((error = tlp_enable(sc)) != 0) 1577 goto out; 1578 1579 /* 1580 * Cancel any pending I/O. 1581 */ 1582 tlp_stop(ifp, 0); 1583 1584 /* 1585 * Initialize `opmode' to 0, and call the pre-init routine, if 1586 * any. This is required because the 2114x and some of the 1587 * clones require that the media-related bits in `opmode' be 1588 * set before performing a soft-reset in order to get internal 1589 * chip pathways are correct. Yay! 1590 */ 1591 sc->sc_opmode = 0; 1592 if (sc->sc_preinit != NULL) 1593 (*sc->sc_preinit)(sc); 1594 1595 /* 1596 * Reset the Tulip to a known state. 1597 */ 1598 tlp_reset(sc); 1599 1600 /* 1601 * Initialize the BUSMODE register. 1602 */ 1603 sc->sc_busmode = BUSMODE_BAR; 1604 switch (sc->sc_chip) { 1605 case TULIP_CHIP_21140: 1606 case TULIP_CHIP_21140A: 1607 case TULIP_CHIP_21142: 1608 case TULIP_CHIP_21143: 1609 case TULIP_CHIP_82C115: 1610 case TULIP_CHIP_MX98725: 1611 /* 1612 * If we're allowed to do so, use Memory Read Line 1613 * and Memory Read Multiple. 1614 * 1615 * XXX Should we use Memory Write and Invalidate? 1616 */ 1617 if (sc->sc_flags & TULIPF_MRL) 1618 sc->sc_busmode |= BUSMODE_RLE; 1619 if (sc->sc_flags & TULIPF_MRM) 1620 sc->sc_busmode |= BUSMODE_RME; 1621 #if 0 1622 if (sc->sc_flags & TULIPF_MWI) 1623 sc->sc_busmode |= BUSMODE_WLE; 1624 #endif 1625 break; 1626 1627 case TULIP_CHIP_82C168: 1628 case TULIP_CHIP_82C169: 1629 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1630 if (sc->sc_maxburst == 0) 1631 sc->sc_maxburst = 16; 1632 break; 1633 1634 default: 1635 /* Nothing. */ 1636 break; 1637 } 1638 switch (sc->sc_cacheline) { 1639 default: 1640 /* 1641 * Note: We must *always* set these bits; a cache 1642 * alignment of 0 is RESERVED. 1643 */ 1644 case 8: 1645 sc->sc_busmode |= BUSMODE_CAL_8LW; 1646 break; 1647 case 16: 1648 sc->sc_busmode |= BUSMODE_CAL_16LW; 1649 break; 1650 case 32: 1651 sc->sc_busmode |= BUSMODE_CAL_32LW; 1652 break; 1653 } 1654 switch (sc->sc_maxburst) { 1655 case 1: 1656 sc->sc_busmode |= BUSMODE_PBL_1LW; 1657 break; 1658 case 2: 1659 sc->sc_busmode |= BUSMODE_PBL_2LW; 1660 break; 1661 case 4: 1662 sc->sc_busmode |= BUSMODE_PBL_4LW; 1663 break; 1664 case 8: 1665 sc->sc_busmode |= BUSMODE_PBL_8LW; 1666 break; 1667 case 16: 1668 sc->sc_busmode |= BUSMODE_PBL_16LW; 1669 break; 1670 case 32: 1671 sc->sc_busmode |= BUSMODE_PBL_32LW; 1672 break; 1673 default: 1674 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1675 break; 1676 } 1677 #if BYTE_ORDER == BIG_ENDIAN 1678 /* 1679 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1680 * support them, and even on ones that do, it doesn't 1681 * always work. So we always access descriptors with 1682 * little endian via htole32/le32toh. 1683 */ 1684 #endif 1685 /* 1686 * Big-endian bus requires BUSMODE_BLE anyway. 1687 * Also, BUSMODE_DBO is needed because we assume 1688 * descriptors are little endian. 1689 */ 1690 if (sc->sc_flags & TULIPF_BLE) 1691 sc->sc_busmode |= BUSMODE_BLE; 1692 if (sc->sc_flags & TULIPF_DBO) 1693 sc->sc_busmode |= BUSMODE_DBO; 1694 1695 /* 1696 * Some chips have a broken bus interface. 1697 */ 1698 switch (sc->sc_chip) { 1699 case TULIP_CHIP_DM9102: 1700 case TULIP_CHIP_DM9102A: 1701 sc->sc_busmode = 0; 1702 break; 1703 1704 default: 1705 /* Nothing. */ 1706 break; 1707 } 1708 1709 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1710 1711 /* 1712 * Initialize the OPMODE register. We don't write it until 1713 * we're ready to begin the transmit and receive processes. 1714 * 1715 * Media-related OPMODE bits are set in the media callbacks 1716 * for each specific chip/board. 1717 */ 1718 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1719 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1720 1721 /* 1722 * Magical mystery initialization on the Macronix chips. 1723 * The MX98713 uses its own magic value, the rest share 1724 * a common one. 1725 */ 1726 switch (sc->sc_chip) { 1727 case TULIP_CHIP_MX98713: 1728 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1729 break; 1730 1731 case TULIP_CHIP_MX98713A: 1732 case TULIP_CHIP_MX98715: 1733 case TULIP_CHIP_MX98715A: 1734 case TULIP_CHIP_MX98715AEC_X: 1735 case TULIP_CHIP_MX98725: 1736 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1737 break; 1738 1739 default: 1740 /* Nothing. */ 1741 break; 1742 } 1743 1744 /* 1745 * Initialize the transmit descriptor ring. 1746 */ 1747 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1748 for (i = 0; i < TULIP_NTXDESC; i++) { 1749 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1750 sc->sc_txdescs[i].td_bufaddr2 = 1751 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1752 } 1753 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1754 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1755 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1756 sc->sc_txfree = TULIP_NTXDESC; 1757 sc->sc_txnext = 0; 1758 1759 /* 1760 * Initialize the transmit job descriptors. 1761 */ 1762 SIMPLEQ_INIT(&sc->sc_txfreeq); 1763 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1764 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1765 txs = &sc->sc_txsoft[i]; 1766 txs->txs_mbuf = NULL; 1767 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1768 } 1769 1770 /* 1771 * Initialize the receive descriptor and receive job 1772 * descriptor rings. 1773 */ 1774 for (i = 0; i < TULIP_NRXDESC; i++) { 1775 rxs = &sc->sc_rxsoft[i]; 1776 if (rxs->rxs_mbuf == NULL) { 1777 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1778 printf("%s: unable to allocate or map rx " 1779 "buffer %d, error = %d\n", 1780 sc->sc_dev.dv_xname, i, error); 1781 /* 1782 * XXX Should attempt to run with fewer receive 1783 * XXX buffers instead of just failing. 1784 */ 1785 tlp_rxdrain(sc); 1786 goto out; 1787 } 1788 } else 1789 TULIP_INIT_RXDESC(sc, i); 1790 } 1791 sc->sc_rxptr = 0; 1792 1793 /* 1794 * Initialize the interrupt mask and enable interrupts. 1795 */ 1796 /* normal interrupts */ 1797 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1798 1799 /* abnormal interrupts */ 1800 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1801 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1802 1803 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1804 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1805 1806 switch (sc->sc_chip) { 1807 case TULIP_CHIP_WB89C840F: 1808 /* 1809 * Clear bits that we don't want that happen to 1810 * overlap or don't exist. 1811 */ 1812 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1813 break; 1814 1815 default: 1816 /* Nothing. */ 1817 break; 1818 } 1819 1820 sc->sc_rxint_mask &= sc->sc_inten; 1821 sc->sc_txint_mask &= sc->sc_inten; 1822 1823 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1824 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1825 1826 /* 1827 * Give the transmit and receive rings to the Tulip. 1828 */ 1829 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1830 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1831 1832 /* 1833 * On chips that do this differently, set the station address. 1834 */ 1835 switch (sc->sc_chip) { 1836 case TULIP_CHIP_WB89C840F: 1837 { 1838 /* XXX Do this with stream writes? */ 1839 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1840 1841 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1842 bus_space_write_1(sc->sc_st, sc->sc_sh, 1843 cpa + i, LLADDR(ifp->if_sadl)[i]); 1844 } 1845 break; 1846 } 1847 1848 case TULIP_CHIP_AL981: 1849 case TULIP_CHIP_AN983: 1850 case TULIP_CHIP_AN985: 1851 { 1852 u_int32_t reg; 1853 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1854 1855 reg = enaddr[0] | 1856 (enaddr[1] << 8) | 1857 (enaddr[2] << 16) | 1858 (enaddr[3] << 24); 1859 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1860 1861 reg = enaddr[4] | 1862 (enaddr[5] << 8); 1863 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1864 } 1865 1866 default: 1867 /* Nothing. */ 1868 break; 1869 } 1870 1871 /* 1872 * Set the receive filter. This will start the transmit and 1873 * receive processes. 1874 */ 1875 (*sc->sc_filter_setup)(sc); 1876 1877 /* 1878 * Set the current media. 1879 */ 1880 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1881 1882 /* 1883 * Start the receive process. 1884 */ 1885 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1886 1887 if (sc->sc_tick != NULL) { 1888 /* Start the one second clock. */ 1889 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1890 } 1891 1892 /* 1893 * Note that the interface is now running. 1894 */ 1895 ifp->if_flags |= IFF_RUNNING; 1896 ifp->if_flags &= ~IFF_OACTIVE; 1897 1898 out: 1899 if (error) { 1900 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1901 ifp->if_timer = 0; 1902 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1903 } 1904 return (error); 1905 } 1906 1907 /* 1908 * tlp_enable: 1909 * 1910 * Enable the Tulip chip. 1911 */ 1912 int 1913 tlp_enable(sc) 1914 struct tulip_softc *sc; 1915 { 1916 1917 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1918 if ((*sc->sc_enable)(sc) != 0) { 1919 printf("%s: device enable failed\n", 1920 sc->sc_dev.dv_xname); 1921 return (EIO); 1922 } 1923 sc->sc_flags |= TULIPF_ENABLED; 1924 } 1925 return (0); 1926 } 1927 1928 /* 1929 * tlp_disable: 1930 * 1931 * Disable the Tulip chip. 1932 */ 1933 void 1934 tlp_disable(sc) 1935 struct tulip_softc *sc; 1936 { 1937 1938 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1939 (*sc->sc_disable)(sc); 1940 sc->sc_flags &= ~TULIPF_ENABLED; 1941 } 1942 } 1943 1944 /* 1945 * tlp_power: 1946 * 1947 * Power management (suspend/resume) hook. 1948 */ 1949 void 1950 tlp_power(why, arg) 1951 int why; 1952 void *arg; 1953 { 1954 struct tulip_softc *sc = arg; 1955 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1956 int s; 1957 1958 s = splnet(); 1959 switch (why) { 1960 case PWR_SUSPEND: 1961 case PWR_STANDBY: 1962 tlp_stop(ifp, 0); 1963 if (sc->sc_power != NULL) 1964 (*sc->sc_power)(sc, why); 1965 break; 1966 case PWR_RESUME: 1967 if (ifp->if_flags & IFF_UP) { 1968 if (sc->sc_power != NULL) 1969 (*sc->sc_power)(sc, why); 1970 tlp_init(ifp); 1971 } 1972 break; 1973 case PWR_SOFTSUSPEND: 1974 case PWR_SOFTSTANDBY: 1975 case PWR_SOFTRESUME: 1976 break; 1977 } 1978 splx(s); 1979 } 1980 1981 /* 1982 * tlp_rxdrain: 1983 * 1984 * Drain the receive queue. 1985 */ 1986 void 1987 tlp_rxdrain(sc) 1988 struct tulip_softc *sc; 1989 { 1990 struct tulip_rxsoft *rxs; 1991 int i; 1992 1993 for (i = 0; i < TULIP_NRXDESC; i++) { 1994 rxs = &sc->sc_rxsoft[i]; 1995 if (rxs->rxs_mbuf != NULL) { 1996 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1997 m_freem(rxs->rxs_mbuf); 1998 rxs->rxs_mbuf = NULL; 1999 } 2000 } 2001 } 2002 2003 /* 2004 * tlp_stop: [ ifnet interface function ] 2005 * 2006 * Stop transmission on the interface. 2007 */ 2008 void 2009 tlp_stop(ifp, disable) 2010 struct ifnet *ifp; 2011 int disable; 2012 { 2013 struct tulip_softc *sc = ifp->if_softc; 2014 struct tulip_txsoft *txs; 2015 2016 if (sc->sc_tick != NULL) { 2017 /* Stop the one second clock. */ 2018 callout_stop(&sc->sc_tick_callout); 2019 } 2020 2021 if (sc->sc_flags & TULIPF_HAS_MII) { 2022 /* Down the MII. */ 2023 mii_down(&sc->sc_mii); 2024 } 2025 2026 /* Disable interrupts. */ 2027 TULIP_WRITE(sc, CSR_INTEN, 0); 2028 2029 /* Stop the transmit and receive processes. */ 2030 sc->sc_opmode = 0; 2031 TULIP_WRITE(sc, CSR_OPMODE, 0); 2032 TULIP_WRITE(sc, CSR_RXLIST, 0); 2033 TULIP_WRITE(sc, CSR_TXLIST, 0); 2034 2035 /* 2036 * Release any queued transmit buffers. 2037 */ 2038 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2039 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2040 if (txs->txs_mbuf != NULL) { 2041 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2042 m_freem(txs->txs_mbuf); 2043 txs->txs_mbuf = NULL; 2044 } 2045 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2046 } 2047 2048 if (disable) { 2049 tlp_rxdrain(sc); 2050 tlp_disable(sc); 2051 } 2052 2053 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2054 2055 /* 2056 * Mark the interface down and cancel the watchdog timer. 2057 */ 2058 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2059 ifp->if_timer = 0; 2060 } 2061 2062 #define SROM_EMIT(sc, x) \ 2063 do { \ 2064 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2065 delay(2); \ 2066 } while (0) 2067 2068 /* 2069 * tlp_srom_idle: 2070 * 2071 * Put the SROM in idle state. 2072 */ 2073 void 2074 tlp_srom_idle(sc) 2075 struct tulip_softc *sc; 2076 { 2077 u_int32_t miirom; 2078 int i; 2079 2080 miirom = MIIROM_SR; 2081 SROM_EMIT(sc, miirom); 2082 2083 miirom |= MIIROM_RD; 2084 SROM_EMIT(sc, miirom); 2085 2086 miirom |= MIIROM_SROMCS; 2087 SROM_EMIT(sc, miirom); 2088 2089 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2090 2091 /* Strobe the clock 32 times. */ 2092 for (i = 0; i < 32; i++) { 2093 SROM_EMIT(sc, miirom); 2094 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2095 } 2096 2097 SROM_EMIT(sc, miirom); 2098 2099 miirom &= ~MIIROM_SROMCS; 2100 SROM_EMIT(sc, miirom); 2101 2102 SROM_EMIT(sc, 0); 2103 } 2104 2105 /* 2106 * tlp_srom_size: 2107 * 2108 * Determine the number of address bits in the SROM. 2109 */ 2110 int 2111 tlp_srom_size(sc) 2112 struct tulip_softc *sc; 2113 { 2114 u_int32_t miirom; 2115 int x; 2116 2117 /* Select the SROM. */ 2118 miirom = MIIROM_SR; 2119 SROM_EMIT(sc, miirom); 2120 2121 miirom |= MIIROM_RD; 2122 SROM_EMIT(sc, miirom); 2123 2124 /* Send CHIP SELECT for one clock tick. */ 2125 miirom |= MIIROM_SROMCS; 2126 SROM_EMIT(sc, miirom); 2127 2128 /* Shift in the READ opcode. */ 2129 for (x = 3; x > 0; x--) { 2130 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2131 miirom |= MIIROM_SROMDI; 2132 else 2133 miirom &= ~MIIROM_SROMDI; 2134 SROM_EMIT(sc, miirom); 2135 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2136 SROM_EMIT(sc, miirom); 2137 } 2138 2139 /* Shift in address and look for dummy 0 bit. */ 2140 for (x = 1; x <= 12; x++) { 2141 miirom &= ~MIIROM_SROMDI; 2142 SROM_EMIT(sc, miirom); 2143 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2144 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2145 break; 2146 SROM_EMIT(sc, miirom); 2147 } 2148 2149 /* Clear CHIP SELECT. */ 2150 miirom &= ~MIIROM_SROMCS; 2151 SROM_EMIT(sc, miirom); 2152 2153 /* Deselect the SROM. */ 2154 SROM_EMIT(sc, 0); 2155 2156 if (x < 4 || x > 12) { 2157 printf("%s: broken MicroWire interface detected; " 2158 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2159 return (6); 2160 } else { 2161 if (tlp_srom_debug) 2162 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2163 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2164 return (x); 2165 } 2166 } 2167 2168 /* 2169 * tlp_read_srom: 2170 * 2171 * Read the Tulip SROM. 2172 */ 2173 int 2174 tlp_read_srom(sc) 2175 struct tulip_softc *sc; 2176 { 2177 int size; 2178 u_int32_t miirom; 2179 u_int16_t datain; 2180 int i, x; 2181 2182 tlp_srom_idle(sc); 2183 2184 sc->sc_srom_addrbits = tlp_srom_size(sc); 2185 if (sc->sc_srom_addrbits == 0) 2186 return (0); 2187 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2188 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2189 2190 /* Select the SROM. */ 2191 miirom = MIIROM_SR; 2192 SROM_EMIT(sc, miirom); 2193 2194 miirom |= MIIROM_RD; 2195 SROM_EMIT(sc, miirom); 2196 2197 for (i = 0; i < size; i += 2) { 2198 /* Send CHIP SELECT for one clock tick. */ 2199 miirom |= MIIROM_SROMCS; 2200 SROM_EMIT(sc, miirom); 2201 2202 /* Shift in the READ opcode. */ 2203 for (x = 3; x > 0; x--) { 2204 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2205 miirom |= MIIROM_SROMDI; 2206 else 2207 miirom &= ~MIIROM_SROMDI; 2208 SROM_EMIT(sc, miirom); 2209 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2210 SROM_EMIT(sc, miirom); 2211 } 2212 2213 /* Shift in address. */ 2214 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2215 if (i & (1 << x)) 2216 miirom |= MIIROM_SROMDI; 2217 else 2218 miirom &= ~MIIROM_SROMDI; 2219 SROM_EMIT(sc, miirom); 2220 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2221 SROM_EMIT(sc, miirom); 2222 } 2223 2224 /* Shift out data. */ 2225 miirom &= ~MIIROM_SROMDI; 2226 datain = 0; 2227 for (x = 16; x > 0; x--) { 2228 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2229 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2230 datain |= (1 << (x - 1)); 2231 SROM_EMIT(sc, miirom); 2232 } 2233 sc->sc_srom[i] = datain & 0xff; 2234 sc->sc_srom[i + 1] = datain >> 8; 2235 2236 /* Clear CHIP SELECT. */ 2237 miirom &= ~MIIROM_SROMCS; 2238 SROM_EMIT(sc, miirom); 2239 } 2240 2241 /* Deselect the SROM. */ 2242 SROM_EMIT(sc, 0); 2243 2244 /* ...and idle it. */ 2245 tlp_srom_idle(sc); 2246 2247 if (tlp_srom_debug) { 2248 printf("SROM CONTENTS:"); 2249 for (i = 0; i < size; i++) { 2250 if ((i % 8) == 0) 2251 printf("\n\t"); 2252 printf("0x%02x ", sc->sc_srom[i]); 2253 } 2254 printf("\n"); 2255 } 2256 2257 return (1); 2258 } 2259 2260 #undef SROM_EMIT 2261 2262 /* 2263 * tlp_add_rxbuf: 2264 * 2265 * Add a receive buffer to the indicated descriptor. 2266 */ 2267 int 2268 tlp_add_rxbuf(sc, idx) 2269 struct tulip_softc *sc; 2270 int idx; 2271 { 2272 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2273 struct mbuf *m; 2274 int error; 2275 2276 MGETHDR(m, M_DONTWAIT, MT_DATA); 2277 if (m == NULL) 2278 return (ENOBUFS); 2279 2280 MCLGET(m, M_DONTWAIT); 2281 if ((m->m_flags & M_EXT) == 0) { 2282 m_freem(m); 2283 return (ENOBUFS); 2284 } 2285 2286 if (rxs->rxs_mbuf != NULL) 2287 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2288 2289 rxs->rxs_mbuf = m; 2290 2291 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2292 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2293 BUS_DMA_READ|BUS_DMA_NOWAIT); 2294 if (error) { 2295 printf("%s: can't load rx DMA map %d, error = %d\n", 2296 sc->sc_dev.dv_xname, idx, error); 2297 panic("tlp_add_rxbuf"); /* XXX */ 2298 } 2299 2300 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2301 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2302 2303 TULIP_INIT_RXDESC(sc, idx); 2304 2305 return (0); 2306 } 2307 2308 /* 2309 * tlp_srom_crcok: 2310 * 2311 * Check the CRC of the Tulip SROM. 2312 */ 2313 int 2314 tlp_srom_crcok(romdata) 2315 const u_int8_t *romdata; 2316 { 2317 u_int32_t crc; 2318 2319 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2320 crc = (crc & 0xffff) ^ 0xffff; 2321 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2322 return (1); 2323 2324 /* 2325 * Try an alternate checksum. 2326 */ 2327 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2328 crc = (crc & 0xffff) ^ 0xffff; 2329 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2330 return (1); 2331 2332 return (0); 2333 } 2334 2335 /* 2336 * tlp_isv_srom: 2337 * 2338 * Check to see if the SROM is in the new standardized format. 2339 */ 2340 int 2341 tlp_isv_srom(romdata) 2342 const u_int8_t *romdata; 2343 { 2344 int i; 2345 u_int16_t cksum; 2346 2347 if (tlp_srom_crcok(romdata)) { 2348 /* 2349 * SROM CRC checks out; must be in the new format. 2350 */ 2351 return (1); 2352 } 2353 2354 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2355 if (cksum == 0xffff || cksum == 0) { 2356 /* 2357 * No checksum present. Check the SROM ID; 18 bytes of 0 2358 * followed by 1 (version) followed by the number of 2359 * adapters which use this SROM (should be non-zero). 2360 */ 2361 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2362 if (romdata[i] != 0) 2363 return (0); 2364 } 2365 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2366 return (0); 2367 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2368 return (0); 2369 return (1); 2370 } 2371 2372 return (0); 2373 } 2374 2375 /* 2376 * tlp_isv_srom_enaddr: 2377 * 2378 * Get the Ethernet address from an ISV SROM. 2379 */ 2380 int 2381 tlp_isv_srom_enaddr(sc, enaddr) 2382 struct tulip_softc *sc; 2383 u_int8_t *enaddr; 2384 { 2385 int i, devcnt; 2386 2387 if (tlp_isv_srom(sc->sc_srom) == 0) 2388 return (0); 2389 2390 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2391 for (i = 0; i < devcnt; i++) { 2392 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2393 break; 2394 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2395 sc->sc_devno) 2396 break; 2397 } 2398 2399 if (i == devcnt) 2400 return (0); 2401 2402 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2403 ETHER_ADDR_LEN); 2404 enaddr[5] += i; 2405 2406 return (1); 2407 } 2408 2409 /* 2410 * tlp_parse_old_srom: 2411 * 2412 * Parse old-format SROMs. 2413 * 2414 * This routine is largely lifted from Matt Thomas's `de' driver. 2415 */ 2416 int 2417 tlp_parse_old_srom(sc, enaddr) 2418 struct tulip_softc *sc; 2419 u_int8_t *enaddr; 2420 { 2421 static const u_int8_t testpat[] = 2422 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2423 int i; 2424 u_int32_t cksum; 2425 2426 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2427 /* 2428 * Some vendors (e.g. ZNYX) don't use the standard 2429 * DEC Address ROM format, but rather just have an 2430 * Ethernet address in the first 6 bytes, maybe a 2431 * 2 byte checksum, and then all 0xff's. 2432 * 2433 * On the other hand, Cobalt Networks interfaces 2434 * simply have the address in the first six bytes 2435 * with the rest zeroed out. 2436 */ 2437 for (i = 8; i < 32; i++) { 2438 if (sc->sc_srom[i] != 0xff && 2439 sc->sc_srom[i] != 0) 2440 return (0); 2441 } 2442 2443 /* 2444 * Sanity check the Ethernet address: 2445 * 2446 * - Make sure it's not multicast or locally 2447 * assigned 2448 * - Make sure it has a non-0 OUI 2449 */ 2450 if (sc->sc_srom[0] & 3) 2451 return (0); 2452 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2453 sc->sc_srom[2] == 0) 2454 return (0); 2455 2456 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2457 return (1); 2458 } 2459 2460 /* 2461 * Standard DEC Address ROM test. 2462 */ 2463 2464 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2465 return (0); 2466 2467 for (i = 0; i < 8; i++) { 2468 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2469 return (0); 2470 } 2471 2472 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2473 2474 cksum = *(u_int16_t *) &enaddr[0]; 2475 2476 cksum <<= 1; 2477 if (cksum > 0xffff) 2478 cksum -= 0xffff; 2479 2480 cksum += *(u_int16_t *) &enaddr[2]; 2481 if (cksum > 0xffff) 2482 cksum -= 0xffff; 2483 2484 cksum <<= 1; 2485 if (cksum > 0xffff) 2486 cksum -= 0xffff; 2487 2488 cksum += *(u_int16_t *) &enaddr[4]; 2489 if (cksum >= 0xffff) 2490 cksum -= 0xffff; 2491 2492 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2493 return (0); 2494 2495 return (1); 2496 } 2497 2498 /* 2499 * tlp_filter_setup: 2500 * 2501 * Set the Tulip's receive filter. 2502 */ 2503 void 2504 tlp_filter_setup(sc) 2505 struct tulip_softc *sc; 2506 { 2507 struct ethercom *ec = &sc->sc_ethercom; 2508 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2509 struct ether_multi *enm; 2510 struct ether_multistep step; 2511 __volatile u_int32_t *sp; 2512 struct tulip_txsoft *txs; 2513 u_int8_t enaddr[ETHER_ADDR_LEN]; 2514 u_int32_t hash, hashsize; 2515 int cnt; 2516 2517 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2518 sc->sc_dev.dv_xname, sc->sc_flags)); 2519 2520 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2521 2522 /* 2523 * If there are transmissions pending, wait until they have 2524 * completed. 2525 */ 2526 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2527 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2528 sc->sc_flags |= TULIPF_WANT_SETUP; 2529 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2530 sc->sc_dev.dv_xname)); 2531 return; 2532 } 2533 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2534 2535 switch (sc->sc_chip) { 2536 case TULIP_CHIP_82C115: 2537 hashsize = TULIP_PNICII_HASHSIZE; 2538 break; 2539 2540 default: 2541 hashsize = TULIP_MCHASHSIZE; 2542 } 2543 2544 /* 2545 * If we're running, idle the transmit and receive engines. If 2546 * we're NOT running, we're being called from tlp_init(), and our 2547 * writing OPMODE will start the transmit and receive processes 2548 * in motion. 2549 */ 2550 if (ifp->if_flags & IFF_RUNNING) 2551 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2552 2553 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2554 2555 if (ifp->if_flags & IFF_PROMISC) { 2556 sc->sc_opmode |= OPMODE_PR; 2557 goto allmulti; 2558 } 2559 2560 /* 2561 * Try Perfect filtering first. 2562 */ 2563 2564 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2565 sp = TULIP_CDSP(sc); 2566 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2567 cnt = 0; 2568 ETHER_FIRST_MULTI(step, ec, enm); 2569 while (enm != NULL) { 2570 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2571 /* 2572 * We must listen to a range of multicast addresses. 2573 * For now, just accept all multicasts, rather than 2574 * trying to set only those filter bits needed to match 2575 * the range. (At this time, the only use of address 2576 * ranges is for IP multicast routing, for which the 2577 * range is big enough to require all bits set.) 2578 */ 2579 goto allmulti; 2580 } 2581 if (cnt == (TULIP_MAXADDRS - 2)) { 2582 /* 2583 * We already have our multicast limit (still need 2584 * our station address and broadcast). Go to 2585 * Hash-Perfect mode. 2586 */ 2587 goto hashperfect; 2588 } 2589 cnt++; 2590 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2591 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2592 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2593 ETHER_NEXT_MULTI(step, enm); 2594 } 2595 2596 if (ifp->if_flags & IFF_BROADCAST) { 2597 /* ...and the broadcast address. */ 2598 cnt++; 2599 *sp++ = TULIP_SP_FIELD_C(0xffff); 2600 *sp++ = TULIP_SP_FIELD_C(0xffff); 2601 *sp++ = TULIP_SP_FIELD_C(0xffff); 2602 } 2603 2604 /* Pad the rest with our station address. */ 2605 for (; cnt < TULIP_MAXADDRS; cnt++) { 2606 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2607 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2608 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2609 } 2610 ifp->if_flags &= ~IFF_ALLMULTI; 2611 goto setit; 2612 2613 hashperfect: 2614 /* 2615 * Try Hash-Perfect mode. 2616 */ 2617 2618 /* 2619 * Some 21140 chips have broken Hash-Perfect modes. On these 2620 * chips, we simply use Hash-Only mode, and put our station 2621 * address into the filter. 2622 */ 2623 if (sc->sc_chip == TULIP_CHIP_21140) 2624 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2625 else 2626 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2627 sp = TULIP_CDSP(sc); 2628 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2629 ETHER_FIRST_MULTI(step, ec, enm); 2630 while (enm != NULL) { 2631 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2632 /* 2633 * We must listen to a range of multicast addresses. 2634 * For now, just accept all multicasts, rather than 2635 * trying to set only those filter bits needed to match 2636 * the range. (At this time, the only use of address 2637 * ranges is for IP multicast routing, for which the 2638 * range is big enough to require all bits set.) 2639 */ 2640 goto allmulti; 2641 } 2642 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2643 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2644 ETHER_NEXT_MULTI(step, enm); 2645 } 2646 2647 if (ifp->if_flags & IFF_BROADCAST) { 2648 /* ...and the broadcast address. */ 2649 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2650 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2651 } 2652 2653 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2654 /* ...and our station address. */ 2655 hash = tlp_mchash(enaddr, hashsize); 2656 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2657 } else { 2658 /* 2659 * Hash-Perfect mode; put our station address after 2660 * the hash table. 2661 */ 2662 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2663 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2664 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2665 } 2666 ifp->if_flags &= ~IFF_ALLMULTI; 2667 goto setit; 2668 2669 allmulti: 2670 /* 2671 * Use Perfect filter mode. First address is the broadcast address, 2672 * and pad the rest with our station address. We'll set Pass-all- 2673 * multicast in OPMODE below. 2674 */ 2675 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2676 sp = TULIP_CDSP(sc); 2677 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2678 cnt = 0; 2679 if (ifp->if_flags & IFF_BROADCAST) { 2680 cnt++; 2681 *sp++ = TULIP_SP_FIELD_C(0xffff); 2682 *sp++ = TULIP_SP_FIELD_C(0xffff); 2683 *sp++ = TULIP_SP_FIELD_C(0xffff); 2684 } 2685 for (; cnt < TULIP_MAXADDRS; cnt++) { 2686 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2687 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2688 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2689 } 2690 ifp->if_flags |= IFF_ALLMULTI; 2691 2692 setit: 2693 if (ifp->if_flags & IFF_ALLMULTI) 2694 sc->sc_opmode |= OPMODE_PM; 2695 2696 /* Sync the setup packet buffer. */ 2697 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2698 2699 /* 2700 * Fill in the setup packet descriptor. 2701 */ 2702 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2703 2704 txs->txs_firstdesc = sc->sc_txnext; 2705 txs->txs_lastdesc = sc->sc_txnext; 2706 txs->txs_ndescs = 1; 2707 txs->txs_mbuf = NULL; 2708 2709 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2710 htole32(TULIP_CDSPADDR(sc)); 2711 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2712 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2713 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2714 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2715 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2716 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2717 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2718 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2719 2720 /* Advance the tx pointer. */ 2721 sc->sc_txfree -= 1; 2722 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2723 2724 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2725 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2726 2727 /* 2728 * Set the OPMODE register. This will also resume the 2729 * transmit transmit process we idled above. 2730 */ 2731 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2732 2733 sc->sc_flags |= TULIPF_DOING_SETUP; 2734 2735 /* 2736 * Kick the transmitter; this will cause the Tulip to 2737 * read the setup descriptor. 2738 */ 2739 /* XXX USE AUTOPOLLING? */ 2740 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2741 2742 /* Set up a watchdog timer in case the chip flakes out. */ 2743 ifp->if_timer = 5; 2744 2745 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2746 } 2747 2748 /* 2749 * tlp_winb_filter_setup: 2750 * 2751 * Set the Winbond 89C840F's receive filter. 2752 */ 2753 void 2754 tlp_winb_filter_setup(sc) 2755 struct tulip_softc *sc; 2756 { 2757 struct ethercom *ec = &sc->sc_ethercom; 2758 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2759 struct ether_multi *enm; 2760 struct ether_multistep step; 2761 u_int32_t hash, mchash[2]; 2762 2763 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2764 sc->sc_dev.dv_xname, sc->sc_flags)); 2765 2766 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2767 2768 if (ifp->if_flags & IFF_MULTICAST) 2769 sc->sc_opmode |= OPMODE_WINB_AMP; 2770 2771 if (ifp->if_flags & IFF_BROADCAST) 2772 sc->sc_opmode |= OPMODE_WINB_ABP; 2773 2774 if (ifp->if_flags & IFF_PROMISC) { 2775 sc->sc_opmode |= OPMODE_WINB_APP; 2776 goto allmulti; 2777 } 2778 2779 mchash[0] = mchash[1] = 0; 2780 2781 ETHER_FIRST_MULTI(step, ec, enm); 2782 while (enm != NULL) { 2783 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2784 /* 2785 * We must listen to a range of multicast addresses. 2786 * For now, just accept all multicasts, rather than 2787 * trying to set only those filter bits needed to match 2788 * the range. (At this time, the only use of address 2789 * ranges is for IP multicast routing, for which the 2790 * range is big enough to require all bits set.) 2791 */ 2792 goto allmulti; 2793 } 2794 2795 /* 2796 * According to the FreeBSD `wb' driver, yes, you 2797 * really do invert the hash. 2798 */ 2799 hash = 2800 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2801 & 0x3f; 2802 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2803 ETHER_NEXT_MULTI(step, enm); 2804 } 2805 ifp->if_flags &= ~IFF_ALLMULTI; 2806 goto setit; 2807 2808 allmulti: 2809 ifp->if_flags |= IFF_ALLMULTI; 2810 mchash[0] = mchash[1] = 0xffffffff; 2811 2812 setit: 2813 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2814 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2815 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2816 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2817 sc->sc_dev.dv_xname)); 2818 } 2819 2820 /* 2821 * tlp_al981_filter_setup: 2822 * 2823 * Set the ADMtek AL981's receive filter. 2824 */ 2825 void 2826 tlp_al981_filter_setup(sc) 2827 struct tulip_softc *sc; 2828 { 2829 struct ethercom *ec = &sc->sc_ethercom; 2830 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2831 struct ether_multi *enm; 2832 struct ether_multistep step; 2833 u_int32_t hash, mchash[2]; 2834 2835 /* 2836 * If the chip is running, we need to reset the interface, 2837 * and will revisit here (with IFF_RUNNING) clear. The 2838 * chip seems to really not like to have its multicast 2839 * filter programmed without a reset. 2840 */ 2841 if (ifp->if_flags & IFF_RUNNING) { 2842 (void) tlp_init(ifp); 2843 return; 2844 } 2845 2846 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2847 sc->sc_dev.dv_xname, sc->sc_flags)); 2848 2849 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2850 2851 if (ifp->if_flags & IFF_PROMISC) { 2852 sc->sc_opmode |= OPMODE_PR; 2853 goto allmulti; 2854 } 2855 2856 mchash[0] = mchash[1] = 0; 2857 2858 ETHER_FIRST_MULTI(step, ec, enm); 2859 while (enm != NULL) { 2860 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2861 /* 2862 * We must listen to a range of multicast addresses. 2863 * For now, just accept all multicasts, rather than 2864 * trying to set only those filter bits needed to match 2865 * the range. (At this time, the only use of address 2866 * ranges is for IP multicast routing, for which the 2867 * range is big enough to require all bits set.) 2868 */ 2869 goto allmulti; 2870 } 2871 2872 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2873 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2874 ETHER_NEXT_MULTI(step, enm); 2875 } 2876 ifp->if_flags &= ~IFF_ALLMULTI; 2877 goto setit; 2878 2879 allmulti: 2880 ifp->if_flags |= IFF_ALLMULTI; 2881 mchash[0] = mchash[1] = 0xffffffff; 2882 2883 setit: 2884 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2885 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2886 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2887 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2888 sc->sc_dev.dv_xname)); 2889 } 2890 2891 /* 2892 * tlp_idle: 2893 * 2894 * Cause the transmit and/or receive processes to go idle. 2895 */ 2896 void 2897 tlp_idle(sc, bits) 2898 struct tulip_softc *sc; 2899 u_int32_t bits; 2900 { 2901 static const char * const tlp_tx_state_names[] = { 2902 "STOPPED", 2903 "RUNNING - FETCH", 2904 "RUNNING - WAIT", 2905 "RUNNING - READING", 2906 "-- RESERVED --", 2907 "RUNNING - SETUP", 2908 "SUSPENDED", 2909 "RUNNING - CLOSE", 2910 }; 2911 static const char * const tlp_rx_state_names[] = { 2912 "STOPPED", 2913 "RUNNING - FETCH", 2914 "RUNNING - CHECK", 2915 "RUNNING - WAIT", 2916 "SUSPENDED", 2917 "RUNNING - CLOSE", 2918 "RUNNING - FLUSH", 2919 "RUNNING - QUEUE", 2920 }; 2921 static const char * const dm9102_tx_state_names[] = { 2922 "STOPPED", 2923 "RUNNING - FETCH", 2924 "RUNNING - SETUP", 2925 "RUNNING - READING", 2926 "RUNNING - CLOSE - CLEAR OWNER", 2927 "RUNNING - WAIT", 2928 "RUNNING - CLOSE - WRITE STATUS", 2929 "SUSPENDED", 2930 }; 2931 static const char * const dm9102_rx_state_names[] = { 2932 "STOPPED", 2933 "RUNNING - FETCH", 2934 "RUNNING - WAIT", 2935 "RUNNING - QUEUE", 2936 "RUNNING - CLOSE - CLEAR OWNER", 2937 "RUNNING - CLOSE - WRITE STATUS", 2938 "SUSPENDED", 2939 "RUNNING - FLUSH", 2940 }; 2941 2942 const char * const *tx_state_names, * const *rx_state_names; 2943 u_int32_t csr, ackmask = 0; 2944 int i; 2945 2946 switch (sc->sc_chip) { 2947 case TULIP_CHIP_DM9102: 2948 case TULIP_CHIP_DM9102A: 2949 tx_state_names = dm9102_tx_state_names; 2950 rx_state_names = dm9102_rx_state_names; 2951 break; 2952 2953 default: 2954 tx_state_names = tlp_tx_state_names; 2955 rx_state_names = tlp_rx_state_names; 2956 break; 2957 } 2958 2959 if (bits & OPMODE_ST) 2960 ackmask |= STATUS_TPS; 2961 2962 if (bits & OPMODE_SR) 2963 ackmask |= STATUS_RPS; 2964 2965 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2966 2967 for (i = 0; i < 1000; i++) { 2968 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2969 break; 2970 delay(10); 2971 } 2972 2973 csr = TULIP_READ(sc, CSR_STATUS); 2974 if ((csr & ackmask) != ackmask) { 2975 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2976 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 2977 printf("%s: transmit process failed to idle: " 2978 "state %s\n", sc->sc_dev.dv_xname, 2979 tx_state_names[(csr & STATUS_TS) >> 20]); 2980 } 2981 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2982 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 2983 switch (sc->sc_chip) { 2984 case TULIP_CHIP_AN983: 2985 case TULIP_CHIP_AN985: 2986 /* 2987 * Filter the message out on noisy chips. 2988 */ 2989 break; 2990 default: 2991 printf("%s: receive process failed to idle: " 2992 "state %s\n", sc->sc_dev.dv_xname, 2993 rx_state_names[(csr & STATUS_RS) >> 17]); 2994 } 2995 } 2996 } 2997 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2998 } 2999 3000 /***************************************************************************** 3001 * Generic media support functions. 3002 *****************************************************************************/ 3003 3004 /* 3005 * tlp_mediastatus: [ifmedia interface function] 3006 * 3007 * Query the current media. 3008 */ 3009 void 3010 tlp_mediastatus(ifp, ifmr) 3011 struct ifnet *ifp; 3012 struct ifmediareq *ifmr; 3013 { 3014 struct tulip_softc *sc = ifp->if_softc; 3015 3016 if (TULIP_IS_ENABLED(sc) == 0) { 3017 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3018 ifmr->ifm_status = 0; 3019 return; 3020 } 3021 3022 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3023 } 3024 3025 /* 3026 * tlp_mediachange: [ifmedia interface function] 3027 * 3028 * Update the current media. 3029 */ 3030 int 3031 tlp_mediachange(ifp) 3032 struct ifnet *ifp; 3033 { 3034 struct tulip_softc *sc = ifp->if_softc; 3035 3036 if ((ifp->if_flags & IFF_UP) == 0) 3037 return (0); 3038 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3039 } 3040 3041 /***************************************************************************** 3042 * Support functions for MII-attached media. 3043 *****************************************************************************/ 3044 3045 /* 3046 * tlp_mii_tick: 3047 * 3048 * One second timer, used to tick the MII. 3049 */ 3050 void 3051 tlp_mii_tick(arg) 3052 void *arg; 3053 { 3054 struct tulip_softc *sc = arg; 3055 int s; 3056 3057 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3058 return; 3059 3060 s = splnet(); 3061 mii_tick(&sc->sc_mii); 3062 splx(s); 3063 3064 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3065 } 3066 3067 /* 3068 * tlp_mii_statchg: [mii interface function] 3069 * 3070 * Callback from PHY when media changes. 3071 */ 3072 void 3073 tlp_mii_statchg(self) 3074 struct device *self; 3075 { 3076 struct tulip_softc *sc = (struct tulip_softc *)self; 3077 3078 /* Idle the transmit and receive processes. */ 3079 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3080 3081 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3082 3083 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3084 sc->sc_opmode |= OPMODE_TTM; 3085 else 3086 sc->sc_opmode |= OPMODE_HBD; 3087 3088 if (sc->sc_mii.mii_media_active & IFM_FDX) 3089 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3090 3091 /* 3092 * Write new OPMODE bits. This also restarts the transmit 3093 * and receive processes. 3094 */ 3095 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3096 } 3097 3098 /* 3099 * tlp_winb_mii_statchg: [mii interface function] 3100 * 3101 * Callback from PHY when media changes. This version is 3102 * for the Winbond 89C840F, which has different OPMODE bits. 3103 */ 3104 void 3105 tlp_winb_mii_statchg(self) 3106 struct device *self; 3107 { 3108 struct tulip_softc *sc = (struct tulip_softc *)self; 3109 3110 /* Idle the transmit and receive processes. */ 3111 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3112 3113 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3114 3115 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3116 sc->sc_opmode |= OPMODE_WINB_FES; 3117 3118 if (sc->sc_mii.mii_media_active & IFM_FDX) 3119 sc->sc_opmode |= OPMODE_FD; 3120 3121 /* 3122 * Write new OPMODE bits. This also restarts the transmit 3123 * and receive processes. 3124 */ 3125 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3126 } 3127 3128 /* 3129 * tlp_dm9102_mii_statchg: [mii interface function] 3130 * 3131 * Callback from PHY when media changes. This version is 3132 * for the DM9102. 3133 */ 3134 void 3135 tlp_dm9102_mii_statchg(self) 3136 struct device *self; 3137 { 3138 struct tulip_softc *sc = (struct tulip_softc *)self; 3139 3140 /* 3141 * Don't idle the transmit and receive processes, here. It 3142 * seems to fail, and just causes excess noise. 3143 */ 3144 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3145 3146 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3147 sc->sc_opmode |= OPMODE_TTM; 3148 3149 if (sc->sc_mii.mii_media_active & IFM_FDX) 3150 sc->sc_opmode |= OPMODE_FD; 3151 3152 /* 3153 * Write new OPMODE bits. 3154 */ 3155 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3156 } 3157 3158 /* 3159 * tlp_mii_getmedia: 3160 * 3161 * Callback from ifmedia to request current media status. 3162 */ 3163 void 3164 tlp_mii_getmedia(sc, ifmr) 3165 struct tulip_softc *sc; 3166 struct ifmediareq *ifmr; 3167 { 3168 3169 mii_pollstat(&sc->sc_mii); 3170 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3171 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3172 } 3173 3174 /* 3175 * tlp_mii_setmedia: 3176 * 3177 * Callback from ifmedia to request new media setting. 3178 */ 3179 int 3180 tlp_mii_setmedia(sc) 3181 struct tulip_softc *sc; 3182 { 3183 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3184 3185 if (ifp->if_flags & IFF_UP) { 3186 switch (sc->sc_chip) { 3187 case TULIP_CHIP_21142: 3188 case TULIP_CHIP_21143: 3189 /* Disable the internal Nway engine. */ 3190 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3191 break; 3192 3193 default: 3194 /* Nothing. */ 3195 break; 3196 } 3197 mii_mediachg(&sc->sc_mii); 3198 } 3199 return (0); 3200 } 3201 3202 /* 3203 * tlp_bitbang_mii_readreg: 3204 * 3205 * Read a PHY register via bit-bang'ing the MII. 3206 */ 3207 int 3208 tlp_bitbang_mii_readreg(self, phy, reg) 3209 struct device *self; 3210 int phy, reg; 3211 { 3212 struct tulip_softc *sc = (void *) self; 3213 3214 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3215 } 3216 3217 /* 3218 * tlp_bitbang_mii_writereg: 3219 * 3220 * Write a PHY register via bit-bang'ing the MII. 3221 */ 3222 void 3223 tlp_bitbang_mii_writereg(self, phy, reg, val) 3224 struct device *self; 3225 int phy, reg, val; 3226 { 3227 struct tulip_softc *sc = (void *) self; 3228 3229 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3230 } 3231 3232 /* 3233 * tlp_sio_mii_bitbang_read: 3234 * 3235 * Read the MII serial port for the MII bit-bang module. 3236 */ 3237 u_int32_t 3238 tlp_sio_mii_bitbang_read(self) 3239 struct device *self; 3240 { 3241 struct tulip_softc *sc = (void *) self; 3242 3243 return (TULIP_READ(sc, CSR_MIIROM)); 3244 } 3245 3246 /* 3247 * tlp_sio_mii_bitbang_write: 3248 * 3249 * Write the MII serial port for the MII bit-bang module. 3250 */ 3251 void 3252 tlp_sio_mii_bitbang_write(self, val) 3253 struct device *self; 3254 u_int32_t val; 3255 { 3256 struct tulip_softc *sc = (void *) self; 3257 3258 TULIP_WRITE(sc, CSR_MIIROM, val); 3259 } 3260 3261 /* 3262 * tlp_pnic_mii_readreg: 3263 * 3264 * Read a PHY register on the Lite-On PNIC. 3265 */ 3266 int 3267 tlp_pnic_mii_readreg(self, phy, reg) 3268 struct device *self; 3269 int phy, reg; 3270 { 3271 struct tulip_softc *sc = (void *) self; 3272 u_int32_t val; 3273 int i; 3274 3275 TULIP_WRITE(sc, CSR_PNIC_MII, 3276 PNIC_MII_MBO | PNIC_MII_RESERVED | 3277 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3278 (reg << PNIC_MII_REGSHIFT)); 3279 3280 for (i = 0; i < 1000; i++) { 3281 delay(10); 3282 val = TULIP_READ(sc, CSR_PNIC_MII); 3283 if ((val & PNIC_MII_BUSY) == 0) { 3284 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3285 return (0); 3286 else 3287 return (val & PNIC_MII_DATA); 3288 } 3289 } 3290 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3291 return (0); 3292 } 3293 3294 /* 3295 * tlp_pnic_mii_writereg: 3296 * 3297 * Write a PHY register on the Lite-On PNIC. 3298 */ 3299 void 3300 tlp_pnic_mii_writereg(self, phy, reg, val) 3301 struct device *self; 3302 int phy, reg, val; 3303 { 3304 struct tulip_softc *sc = (void *) self; 3305 int i; 3306 3307 TULIP_WRITE(sc, CSR_PNIC_MII, 3308 PNIC_MII_MBO | PNIC_MII_RESERVED | 3309 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3310 (reg << PNIC_MII_REGSHIFT) | val); 3311 3312 for (i = 0; i < 1000; i++) { 3313 delay(10); 3314 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3315 return; 3316 } 3317 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3318 } 3319 3320 const bus_addr_t tlp_al981_phy_regmap[] = { 3321 CSR_ADM_BMCR, 3322 CSR_ADM_BMSR, 3323 CSR_ADM_PHYIDR1, 3324 CSR_ADM_PHYIDR2, 3325 CSR_ADM_ANAR, 3326 CSR_ADM_ANLPAR, 3327 CSR_ADM_ANER, 3328 3329 CSR_ADM_XMC, 3330 CSR_ADM_XCIIS, 3331 CSR_ADM_XIE, 3332 CSR_ADM_100CTR, 3333 }; 3334 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3335 sizeof(tlp_al981_phy_regmap[0]); 3336 3337 /* 3338 * tlp_al981_mii_readreg: 3339 * 3340 * Read a PHY register on the ADMtek AL981. 3341 */ 3342 int 3343 tlp_al981_mii_readreg(self, phy, reg) 3344 struct device *self; 3345 int phy, reg; 3346 { 3347 struct tulip_softc *sc = (struct tulip_softc *)self; 3348 3349 /* AL981 only has an internal PHY. */ 3350 if (phy != 0) 3351 return (0); 3352 3353 if (reg >= tlp_al981_phy_regmap_size) 3354 return (0); 3355 3356 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3357 tlp_al981_phy_regmap[reg]) & 0xffff); 3358 } 3359 3360 /* 3361 * tlp_al981_mii_writereg: 3362 * 3363 * Write a PHY register on the ADMtek AL981. 3364 */ 3365 void 3366 tlp_al981_mii_writereg(self, phy, reg, val) 3367 struct device *self; 3368 int phy, reg, val; 3369 { 3370 struct tulip_softc *sc = (struct tulip_softc *)self; 3371 3372 /* AL981 only has an internal PHY. */ 3373 if (phy != 0) 3374 return; 3375 3376 if (reg >= tlp_al981_phy_regmap_size) 3377 return; 3378 3379 bus_space_write_4(sc->sc_st, sc->sc_sh, 3380 tlp_al981_phy_regmap[reg], val); 3381 } 3382 3383 /***************************************************************************** 3384 * Chip-specific pre-init and reset functions. 3385 *****************************************************************************/ 3386 3387 /* 3388 * tlp_2114x_preinit: 3389 * 3390 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3391 */ 3392 void 3393 tlp_2114x_preinit(sc) 3394 struct tulip_softc *sc; 3395 { 3396 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3397 struct tulip_21x4x_media *tm = ife->ifm_aux; 3398 3399 /* 3400 * Whether or not we're in MII or SIA/SYM mode, the media info 3401 * contains the appropriate OPMODE bits. 3402 * 3403 * Note that if we have no media info, we are are doing 3404 * non-MII `auto'. 3405 * 3406 * Also, we always set the Must-Be-One bit. 3407 */ 3408 if (tm == NULL) { 3409 #ifdef DIAGNOSTIC 3410 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3411 panic("tlp_2114x_preinit: not IFM_AUTO"); 3412 if (sc->sc_nway_active == NULL) 3413 panic("tlp_2114x_preinit: nway_active NULL"); 3414 #endif 3415 tm = sc->sc_nway_active->ifm_aux; 3416 } 3417 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3418 3419 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3420 } 3421 3422 /* 3423 * tlp_2114x_mii_preinit: 3424 * 3425 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3426 * This version is used by boards which only have MII and don't have 3427 * an ISV SROM. 3428 */ 3429 void 3430 tlp_2114x_mii_preinit(sc) 3431 struct tulip_softc *sc; 3432 { 3433 3434 /* 3435 * Always set the Must-Be-One bit, and Port Select (to select MII). 3436 * We'll never be called during a media change. 3437 */ 3438 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3439 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3440 } 3441 3442 /* 3443 * tlp_pnic_preinit: 3444 * 3445 * Pre-init function for the Lite-On 82c168 and 82c169. 3446 */ 3447 void 3448 tlp_pnic_preinit(sc) 3449 struct tulip_softc *sc; 3450 { 3451 3452 if (sc->sc_flags & TULIPF_HAS_MII) { 3453 /* 3454 * MII case: just set the port-select bit; we will never 3455 * be called during a media change. 3456 */ 3457 sc->sc_opmode |= OPMODE_PS; 3458 } else { 3459 /* 3460 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3461 */ 3462 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3463 } 3464 } 3465 3466 /* 3467 * tlp_dm9102_preinit: 3468 * 3469 * Pre-init function for the Davicom DM9102. 3470 */ 3471 void 3472 tlp_dm9102_preinit(sc) 3473 struct tulip_softc *sc; 3474 { 3475 3476 switch (sc->sc_chip) { 3477 case TULIP_CHIP_DM9102: 3478 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3479 break; 3480 3481 case TULIP_CHIP_DM9102A: 3482 /* 3483 * XXX Figure out how to actually deal with the HomePNA 3484 * XXX portion of the DM9102A. 3485 */ 3486 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3487 break; 3488 3489 default: 3490 /* Nothing. */ 3491 break; 3492 } 3493 3494 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3495 } 3496 3497 /* 3498 * tlp_21140_reset: 3499 * 3500 * Issue a reset sequence on the 21140 via the GPIO facility. 3501 */ 3502 void 3503 tlp_21140_reset(sc) 3504 struct tulip_softc *sc; 3505 { 3506 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3507 struct tulip_21x4x_media *tm = ife->ifm_aux; 3508 int i; 3509 3510 /* First, set the direction on the GPIO pins. */ 3511 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3512 3513 /* Now, issue the reset sequence. */ 3514 for (i = 0; i < tm->tm_reset_length; i++) { 3515 delay(10); 3516 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3517 } 3518 3519 /* Now, issue the selection sequence. */ 3520 for (i = 0; i < tm->tm_gp_length; i++) { 3521 delay(10); 3522 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3523 } 3524 3525 /* If there were no sequences, just lower the pins. */ 3526 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3527 TULIP_WRITE(sc, CSR_GPP, 0); 3528 } 3529 3530 /* 3531 * tlp_21142_reset: 3532 * 3533 * Issue a reset sequence on the 21142 via the GPIO facility. 3534 */ 3535 void 3536 tlp_21142_reset(sc) 3537 struct tulip_softc *sc; 3538 { 3539 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3540 struct tulip_21x4x_media *tm = ife->ifm_aux; 3541 const u_int8_t *cp; 3542 int i; 3543 3544 cp = &sc->sc_srom[tm->tm_reset_offset]; 3545 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3546 delay(10); 3547 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3548 } 3549 3550 cp = &sc->sc_srom[tm->tm_gp_offset]; 3551 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3552 delay(10); 3553 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3554 } 3555 3556 /* If there were no sequences, just lower the pins. */ 3557 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3558 delay(10); 3559 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3560 } 3561 } 3562 3563 /* 3564 * tlp_pmac_reset: 3565 * 3566 * Reset routine for Macronix chips. 3567 */ 3568 void 3569 tlp_pmac_reset(sc) 3570 struct tulip_softc *sc; 3571 { 3572 3573 switch (sc->sc_chip) { 3574 case TULIP_CHIP_82C115: 3575 case TULIP_CHIP_MX98715: 3576 case TULIP_CHIP_MX98715A: 3577 case TULIP_CHIP_MX98725: 3578 /* 3579 * Set the LED operating mode. This information is located 3580 * in the EEPROM at byte offset 0x77, per the MX98715A and 3581 * MX98725 application notes. 3582 */ 3583 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3584 break; 3585 case TULIP_CHIP_MX98715AEC_X: 3586 /* 3587 * Set the LED operating mode. This information is located 3588 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3589 * application note. 3590 */ 3591 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3592 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3593 break; 3594 3595 default: 3596 /* Nothing. */ 3597 break; 3598 } 3599 } 3600 3601 /* 3602 * tlp_dm9102_reset: 3603 * 3604 * Reset routine for the Davicom DM9102. 3605 */ 3606 void 3607 tlp_dm9102_reset(sc) 3608 struct tulip_softc *sc; 3609 { 3610 3611 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3612 delay(100); 3613 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3614 } 3615 3616 /***************************************************************************** 3617 * Chip/board-specific media switches. The ones here are ones that 3618 * are potentially common to multiple front-ends. 3619 *****************************************************************************/ 3620 3621 /* 3622 * This table is a common place for all sorts of media information, 3623 * keyed off of the SROM media code for that media. 3624 * 3625 * Note that we explicitly configure the 21142/21143 to always advertise 3626 * NWay capabilities when using the UTP port. 3627 * XXX Actually, we don't yet. 3628 */ 3629 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3630 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3631 "10baseT", 3632 0, 3633 { SIACONN_21040_10BASET, 3634 SIATXRX_21040_10BASET, 3635 SIAGEN_21040_10BASET }, 3636 3637 { SIACONN_21041_10BASET, 3638 SIATXRX_21041_10BASET, 3639 SIAGEN_21041_10BASET }, 3640 3641 { SIACONN_21142_10BASET, 3642 SIATXRX_21142_10BASET, 3643 SIAGEN_21142_10BASET } }, 3644 3645 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3646 "10base2", 3647 0, 3648 { 0, 3649 0, 3650 0 }, 3651 3652 { SIACONN_21041_BNC, 3653 SIATXRX_21041_BNC, 3654 SIAGEN_21041_BNC }, 3655 3656 { SIACONN_21142_BNC, 3657 SIATXRX_21142_BNC, 3658 SIAGEN_21142_BNC } }, 3659 3660 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3661 "10base5", 3662 0, 3663 { SIACONN_21040_AUI, 3664 SIATXRX_21040_AUI, 3665 SIAGEN_21040_AUI }, 3666 3667 { SIACONN_21041_AUI, 3668 SIATXRX_21041_AUI, 3669 SIAGEN_21041_AUI }, 3670 3671 { SIACONN_21142_AUI, 3672 SIATXRX_21142_AUI, 3673 SIAGEN_21142_AUI } }, 3674 3675 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3676 "100baseTX", 3677 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3678 { 0, 3679 0, 3680 0 }, 3681 3682 { 0, 3683 0, 3684 0 }, 3685 3686 { 0, 3687 0, 3688 SIAGEN_ABM } }, 3689 3690 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3691 "10baseT-FDX", 3692 OPMODE_FD|OPMODE_HBD, 3693 { SIACONN_21040_10BASET_FDX, 3694 SIATXRX_21040_10BASET_FDX, 3695 SIAGEN_21040_10BASET_FDX }, 3696 3697 { SIACONN_21041_10BASET_FDX, 3698 SIATXRX_21041_10BASET_FDX, 3699 SIAGEN_21041_10BASET_FDX }, 3700 3701 { SIACONN_21142_10BASET_FDX, 3702 SIATXRX_21142_10BASET_FDX, 3703 SIAGEN_21142_10BASET_FDX } }, 3704 3705 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3706 "100baseTX-FDX", 3707 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3708 { 0, 3709 0, 3710 0 }, 3711 3712 { 0, 3713 0, 3714 0 }, 3715 3716 { 0, 3717 0, 3718 SIAGEN_ABM } }, 3719 3720 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3721 "100baseT4", 3722 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3723 { 0, 3724 0, 3725 0 }, 3726 3727 { 0, 3728 0, 3729 0 }, 3730 3731 { 0, 3732 0, 3733 SIAGEN_ABM } }, 3734 3735 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3736 "100baseFX", 3737 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3738 { 0, 3739 0, 3740 0 }, 3741 3742 { 0, 3743 0, 3744 0 }, 3745 3746 { 0, 3747 0, 3748 SIAGEN_ABM } }, 3749 3750 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3751 "100baseFX-FDX", 3752 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3753 { 0, 3754 0, 3755 0 }, 3756 3757 { 0, 3758 0, 3759 0 }, 3760 3761 { 0, 3762 0, 3763 SIAGEN_ABM } }, 3764 3765 { 0, 0, 0, 3766 NULL, 3767 0, 3768 { 0, 3769 0, 3770 0 }, 3771 3772 { 0, 3773 0, 3774 0 }, 3775 3776 { 0, 3777 0, 3778 0 } }, 3779 }; 3780 3781 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3782 void tlp_srom_media_info __P((struct tulip_softc *, 3783 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3784 void tlp_add_srom_media __P((struct tulip_softc *, int, 3785 void (*)(struct tulip_softc *, struct ifmediareq *), 3786 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3787 void tlp_print_media __P((struct tulip_softc *)); 3788 void tlp_nway_activate __P((struct tulip_softc *, int)); 3789 void tlp_get_minst __P((struct tulip_softc *)); 3790 3791 const struct tulip_srom_to_ifmedia * 3792 tlp_srom_to_ifmedia(sm) 3793 u_int8_t sm; 3794 { 3795 const struct tulip_srom_to_ifmedia *tsti; 3796 3797 for (tsti = tulip_srom_to_ifmedia_table; 3798 tsti->tsti_name != NULL; tsti++) { 3799 if (tsti->tsti_srom == sm) 3800 return (tsti); 3801 } 3802 3803 return (NULL); 3804 } 3805 3806 void 3807 tlp_srom_media_info(sc, tsti, tm) 3808 struct tulip_softc *sc; 3809 const struct tulip_srom_to_ifmedia *tsti; 3810 struct tulip_21x4x_media *tm; 3811 { 3812 3813 tm->tm_name = tsti->tsti_name; 3814 tm->tm_opmode = tsti->tsti_opmode; 3815 3816 switch (sc->sc_chip) { 3817 case TULIP_CHIP_DE425: 3818 case TULIP_CHIP_21040: 3819 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3820 break; 3821 3822 case TULIP_CHIP_21041: 3823 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3824 break; 3825 3826 case TULIP_CHIP_21142: 3827 case TULIP_CHIP_21143: 3828 case TULIP_CHIP_82C115: 3829 case TULIP_CHIP_MX98715: 3830 case TULIP_CHIP_MX98715A: 3831 case TULIP_CHIP_MX98715AEC_X: 3832 case TULIP_CHIP_MX98725: 3833 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3834 break; 3835 3836 default: 3837 /* Nothing. */ 3838 break; 3839 } 3840 } 3841 3842 void 3843 tlp_add_srom_media(sc, type, get, set, list, cnt) 3844 struct tulip_softc *sc; 3845 int type; 3846 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3847 int (*set) __P((struct tulip_softc *)); 3848 const u_int8_t *list; 3849 int cnt; 3850 { 3851 struct tulip_21x4x_media *tm; 3852 const struct tulip_srom_to_ifmedia *tsti; 3853 int i; 3854 3855 for (i = 0; i < cnt; i++) { 3856 tsti = tlp_srom_to_ifmedia(list[i]); 3857 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3858 tlp_srom_media_info(sc, tsti, tm); 3859 tm->tm_type = type; 3860 tm->tm_get = get; 3861 tm->tm_set = set; 3862 3863 ifmedia_add(&sc->sc_mii.mii_media, 3864 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3865 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3866 } 3867 } 3868 3869 void 3870 tlp_print_media(sc) 3871 struct tulip_softc *sc; 3872 { 3873 struct ifmedia_entry *ife; 3874 struct tulip_21x4x_media *tm; 3875 const char *sep = ""; 3876 3877 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3878 3879 printf("%s: ", sc->sc_dev.dv_xname); 3880 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3881 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3882 tm = ife->ifm_aux; 3883 if (tm == NULL) { 3884 #ifdef DIAGNOSTIC 3885 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3886 panic("tlp_print_media"); 3887 #endif 3888 PRINT("auto"); 3889 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3890 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3891 PRINT(tm->tm_name); 3892 } 3893 } 3894 printf("\n"); 3895 3896 #undef PRINT 3897 } 3898 3899 void 3900 tlp_nway_activate(sc, media) 3901 struct tulip_softc *sc; 3902 int media; 3903 { 3904 struct ifmedia_entry *ife; 3905 3906 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3907 #ifdef DIAGNOSTIC 3908 if (ife == NULL) 3909 panic("tlp_nway_activate"); 3910 #endif 3911 sc->sc_nway_active = ife; 3912 } 3913 3914 void 3915 tlp_get_minst(sc) 3916 struct tulip_softc *sc; 3917 { 3918 3919 if ((sc->sc_media_seen & 3920 ~((1 << TULIP_ROM_MB_21140_MII) | 3921 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3922 /* 3923 * We have not yet seen any SIA/SYM media (but are 3924 * about to; that's why we're called!), so assign 3925 * the current media instance to be the `internal media' 3926 * instance, and advance it so any MII media gets a 3927 * fresh one (used to selecting/isolating a PHY). 3928 */ 3929 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3930 } 3931 } 3932 3933 /* 3934 * SIA Utility functions. 3935 */ 3936 void tlp_sia_update_link __P((struct tulip_softc *)); 3937 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3938 int tlp_sia_set __P((struct tulip_softc *)); 3939 void tlp_sia_fixup __P((struct tulip_softc *)); 3940 3941 void 3942 tlp_sia_update_link(sc) 3943 struct tulip_softc *sc; 3944 { 3945 struct ifmedia_entry *ife; 3946 struct tulip_21x4x_media *tm; 3947 u_int32_t siastat; 3948 3949 ife = TULIP_CURRENT_MEDIA(sc); 3950 tm = ife->ifm_aux; 3951 3952 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3953 3954 siastat = TULIP_READ(sc, CSR_SIASTAT); 3955 3956 /* 3957 * Note that when we do SIA link tests, we are assuming that 3958 * the chip is really in the mode that the current media setting 3959 * reflects. If we're not, then the link tests will not be 3960 * accurate! 3961 */ 3962 switch (IFM_SUBTYPE(ife->ifm_media)) { 3963 case IFM_10_T: 3964 sc->sc_flags |= TULIPF_LINK_VALID; 3965 if ((siastat & SIASTAT_LS10) == 0) 3966 sc->sc_flags |= TULIPF_LINK_UP; 3967 break; 3968 3969 case IFM_100_TX: 3970 case IFM_100_T4: 3971 sc->sc_flags |= TULIPF_LINK_VALID; 3972 if ((siastat & SIASTAT_LS100) == 0) 3973 sc->sc_flags |= TULIPF_LINK_UP; 3974 break; 3975 } 3976 3977 switch (sc->sc_chip) { 3978 case TULIP_CHIP_21142: 3979 case TULIP_CHIP_21143: 3980 /* 3981 * On these chips, we can tell more information about 3982 * AUI/BNC. Note that the AUI/BNC selection is made 3983 * in a different register; for our purpose, it's all 3984 * AUI. 3985 */ 3986 switch (IFM_SUBTYPE(ife->ifm_media)) { 3987 case IFM_10_2: 3988 case IFM_10_5: 3989 sc->sc_flags |= TULIPF_LINK_VALID; 3990 if (siastat & SIASTAT_ARA) { 3991 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3992 sc->sc_flags |= TULIPF_LINK_UP; 3993 } 3994 break; 3995 3996 default: 3997 /* 3998 * If we're SYM media and can detect the link 3999 * via the GPIO facility, prefer that status 4000 * over LS100. 4001 */ 4002 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4003 tm->tm_actmask != 0) { 4004 sc->sc_flags = (sc->sc_flags & 4005 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4006 if (TULIP_ISSET(sc, CSR_SIAGEN, 4007 tm->tm_actmask) == tm->tm_actdata) 4008 sc->sc_flags |= TULIPF_LINK_UP; 4009 } 4010 } 4011 break; 4012 4013 default: 4014 /* Nothing. */ 4015 break; 4016 } 4017 } 4018 4019 void 4020 tlp_sia_get(sc, ifmr) 4021 struct tulip_softc *sc; 4022 struct ifmediareq *ifmr; 4023 { 4024 struct ifmedia_entry *ife; 4025 4026 ifmr->ifm_status = 0; 4027 4028 tlp_sia_update_link(sc); 4029 4030 ife = TULIP_CURRENT_MEDIA(sc); 4031 4032 if (sc->sc_flags & TULIPF_LINK_VALID) 4033 ifmr->ifm_status |= IFM_AVALID; 4034 if (sc->sc_flags & TULIPF_LINK_UP) 4035 ifmr->ifm_status |= IFM_ACTIVE; 4036 ifmr->ifm_active = ife->ifm_media; 4037 } 4038 4039 void 4040 tlp_sia_fixup(sc) 4041 struct tulip_softc *sc; 4042 { 4043 struct ifmedia_entry *ife; 4044 struct tulip_21x4x_media *tm; 4045 u_int32_t siaconn, siatxrx, siagen; 4046 4047 switch (sc->sc_chip) { 4048 case TULIP_CHIP_82C115: 4049 case TULIP_CHIP_MX98713A: 4050 case TULIP_CHIP_MX98715: 4051 case TULIP_CHIP_MX98715A: 4052 case TULIP_CHIP_MX98715AEC_X: 4053 case TULIP_CHIP_MX98725: 4054 siaconn = PMAC_SIACONN_MASK; 4055 siatxrx = PMAC_SIATXRX_MASK; 4056 siagen = PMAC_SIAGEN_MASK; 4057 break; 4058 4059 default: 4060 /* No fixups required on any other chips. */ 4061 return; 4062 } 4063 4064 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4065 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4066 tm = ife->ifm_aux; 4067 if (tm == NULL) 4068 continue; 4069 4070 tm->tm_siaconn &= siaconn; 4071 tm->tm_siatxrx &= siatxrx; 4072 tm->tm_siagen &= siagen; 4073 } 4074 } 4075 4076 int 4077 tlp_sia_set(sc) 4078 struct tulip_softc *sc; 4079 { 4080 struct ifmedia_entry *ife; 4081 struct tulip_21x4x_media *tm; 4082 4083 ife = TULIP_CURRENT_MEDIA(sc); 4084 tm = ife->ifm_aux; 4085 4086 /* 4087 * XXX This appears to be necessary on a bunch of the clone chips. 4088 */ 4089 delay(20000); 4090 4091 /* 4092 * Idle the chip. 4093 */ 4094 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4095 4096 /* 4097 * Program the SIA. It's important to write in this order, 4098 * resetting the SIA first. 4099 */ 4100 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4101 delay(1000); 4102 4103 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4104 4105 switch (sc->sc_chip) { 4106 case TULIP_CHIP_21142: 4107 case TULIP_CHIP_21143: 4108 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4109 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4110 break; 4111 default: 4112 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4113 } 4114 4115 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4116 4117 /* 4118 * Set the OPMODE bits for this media and write OPMODE. 4119 * This will resume the transmit and receive processes. 4120 */ 4121 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4122 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4123 4124 return (0); 4125 } 4126 4127 /* 4128 * 21140 GPIO utility functions. 4129 */ 4130 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4131 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4132 struct ifmediareq *ifmr)); 4133 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4134 4135 void 4136 tlp_21140_gpio_update_link(sc) 4137 struct tulip_softc *sc; 4138 { 4139 struct ifmedia_entry *ife; 4140 struct tulip_21x4x_media *tm; 4141 4142 ife = TULIP_CURRENT_MEDIA(sc); 4143 tm = ife->ifm_aux; 4144 4145 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4146 4147 if (tm->tm_actmask != 0) { 4148 sc->sc_flags |= TULIPF_LINK_VALID; 4149 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4150 tm->tm_actdata) 4151 sc->sc_flags |= TULIPF_LINK_UP; 4152 } 4153 } 4154 4155 void 4156 tlp_21140_gpio_get(sc, ifmr) 4157 struct tulip_softc *sc; 4158 struct ifmediareq *ifmr; 4159 { 4160 struct ifmedia_entry *ife; 4161 4162 ifmr->ifm_status = 0; 4163 4164 tlp_21140_gpio_update_link(sc); 4165 4166 ife = TULIP_CURRENT_MEDIA(sc); 4167 4168 if (sc->sc_flags & TULIPF_LINK_VALID) 4169 ifmr->ifm_status |= IFM_AVALID; 4170 if (sc->sc_flags & TULIPF_LINK_UP) 4171 ifmr->ifm_status |= IFM_ACTIVE; 4172 ifmr->ifm_active = ife->ifm_media; 4173 } 4174 4175 int 4176 tlp_21140_gpio_set(sc) 4177 struct tulip_softc *sc; 4178 { 4179 struct ifmedia_entry *ife; 4180 struct tulip_21x4x_media *tm; 4181 4182 ife = TULIP_CURRENT_MEDIA(sc); 4183 tm = ife->ifm_aux; 4184 4185 /* 4186 * Idle the chip. 4187 */ 4188 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4189 4190 /* 4191 * Set the GPIO pins for this media, to flip any 4192 * relays, etc. 4193 */ 4194 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4195 delay(10); 4196 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4197 4198 /* 4199 * Set the OPMODE bits for this media and write OPMODE. 4200 * This will resume the transmit and receive processes. 4201 */ 4202 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4203 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4204 4205 return (0); 4206 } 4207 4208 /* 4209 * 21040 and 21041 media switches. 4210 */ 4211 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4212 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4213 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4214 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4215 4216 const struct tulip_mediasw tlp_21040_mediasw = { 4217 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4218 }; 4219 4220 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4221 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4222 }; 4223 4224 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4225 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4226 }; 4227 4228 const struct tulip_mediasw tlp_21041_mediasw = { 4229 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4230 }; 4231 4232 4233 void 4234 tlp_21040_tmsw_init(sc) 4235 struct tulip_softc *sc; 4236 { 4237 static const u_int8_t media[] = { 4238 TULIP_ROM_MB_MEDIA_TP, 4239 TULIP_ROM_MB_MEDIA_TP_FDX, 4240 TULIP_ROM_MB_MEDIA_AUI, 4241 }; 4242 struct tulip_21x4x_media *tm; 4243 4244 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4245 tlp_mediastatus); 4246 4247 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4248 4249 /* 4250 * No SROM type for External SIA. 4251 */ 4252 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4253 tm->tm_name = "manual"; 4254 tm->tm_opmode = 0; 4255 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4256 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4257 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4258 ifmedia_add(&sc->sc_mii.mii_media, 4259 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4260 4261 /* 4262 * XXX Autosense not yet supported. 4263 */ 4264 4265 /* XXX This should be auto-sense. */ 4266 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4267 4268 tlp_print_media(sc); 4269 } 4270 4271 void 4272 tlp_21040_tp_tmsw_init(sc) 4273 struct tulip_softc *sc; 4274 { 4275 static const u_int8_t media[] = { 4276 TULIP_ROM_MB_MEDIA_TP, 4277 TULIP_ROM_MB_MEDIA_TP_FDX, 4278 }; 4279 4280 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4281 tlp_mediastatus); 4282 4283 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4284 4285 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4286 4287 tlp_print_media(sc); 4288 } 4289 4290 void 4291 tlp_21040_auibnc_tmsw_init(sc) 4292 struct tulip_softc *sc; 4293 { 4294 static const u_int8_t media[] = { 4295 TULIP_ROM_MB_MEDIA_AUI, 4296 }; 4297 4298 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4299 tlp_mediastatus); 4300 4301 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4302 4303 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4304 4305 tlp_print_media(sc); 4306 } 4307 4308 void 4309 tlp_21041_tmsw_init(sc) 4310 struct tulip_softc *sc; 4311 { 4312 static const u_int8_t media[] = { 4313 TULIP_ROM_MB_MEDIA_TP, 4314 TULIP_ROM_MB_MEDIA_TP_FDX, 4315 TULIP_ROM_MB_MEDIA_BNC, 4316 TULIP_ROM_MB_MEDIA_AUI, 4317 }; 4318 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4319 const struct tulip_srom_to_ifmedia *tsti; 4320 struct tulip_21x4x_media *tm; 4321 u_int16_t romdef; 4322 u_int8_t mb; 4323 4324 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4325 tlp_mediastatus); 4326 4327 if (tlp_isv_srom(sc->sc_srom) == 0) { 4328 not_isv_srom: 4329 /* 4330 * If we have a board without the standard 21041 SROM format, 4331 * we just assume all media are present and try and pick a 4332 * reasonable default. 4333 */ 4334 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4335 4336 /* 4337 * XXX Autosense not yet supported. 4338 */ 4339 4340 /* XXX This should be auto-sense. */ 4341 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4342 4343 tlp_print_media(sc); 4344 return; 4345 } 4346 4347 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4348 for (i = 0; i < devcnt; i++) { 4349 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4350 break; 4351 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4352 sc->sc_devno) 4353 break; 4354 } 4355 4356 if (i == devcnt) 4357 goto not_isv_srom; 4358 4359 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4360 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4361 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4362 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4363 4364 for (; m_cnt != 0; 4365 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4366 mb = sc->sc_srom[mb_offset]; 4367 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4368 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4369 case TULIP_ROM_MB_MEDIA_TP_FDX: 4370 case TULIP_ROM_MB_MEDIA_TP: 4371 case TULIP_ROM_MB_MEDIA_BNC: 4372 case TULIP_ROM_MB_MEDIA_AUI: 4373 tsti = tlp_srom_to_ifmedia(mb & 4374 TULIP_ROM_MB_MEDIA_CODE); 4375 4376 tlp_srom_media_info(sc, tsti, tm); 4377 4378 /* 4379 * Override our default SIA settings if the 4380 * SROM contains its own. 4381 */ 4382 if (mb & TULIP_ROM_MB_EXT) { 4383 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4384 mb_offset + TULIP_ROM_MB_CSR13); 4385 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4386 mb_offset + TULIP_ROM_MB_CSR14); 4387 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4388 mb_offset + TULIP_ROM_MB_CSR15); 4389 } 4390 4391 ifmedia_add(&sc->sc_mii.mii_media, 4392 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4393 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4394 break; 4395 4396 default: 4397 printf("%s: unknown media code 0x%02x\n", 4398 sc->sc_dev.dv_xname, 4399 mb & TULIP_ROM_MB_MEDIA_CODE); 4400 free(tm, M_DEVBUF); 4401 } 4402 } 4403 4404 /* 4405 * XXX Autosense not yet supported. 4406 */ 4407 4408 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4409 TULIP_ROM_IL_SELECT_CONN_TYPE); 4410 switch (romdef) { 4411 case SELECT_CONN_TYPE_TP: 4412 case SELECT_CONN_TYPE_TP_AUTONEG: 4413 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4414 defmedia = IFM_ETHER|IFM_10_T; 4415 break; 4416 4417 case SELECT_CONN_TYPE_TP_FDX: 4418 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4419 break; 4420 4421 case SELECT_CONN_TYPE_BNC: 4422 defmedia = IFM_ETHER|IFM_10_2; 4423 break; 4424 4425 case SELECT_CONN_TYPE_AUI: 4426 defmedia = IFM_ETHER|IFM_10_5; 4427 break; 4428 #if 0 /* XXX */ 4429 case SELECT_CONN_TYPE_ASENSE: 4430 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4431 defmedia = IFM_ETHER|IFM_AUTO; 4432 break; 4433 #endif 4434 default: 4435 defmedia = 0; 4436 } 4437 4438 if (defmedia == 0) { 4439 /* 4440 * XXX We should default to auto-sense. 4441 */ 4442 defmedia = IFM_ETHER|IFM_10_T; 4443 } 4444 4445 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4446 4447 tlp_print_media(sc); 4448 } 4449 4450 /* 4451 * DECchip 2114x ISV media switch. 4452 */ 4453 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4454 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4455 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4456 4457 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4458 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4459 }; 4460 4461 void 4462 tlp_2114x_isv_tmsw_init(sc) 4463 struct tulip_softc *sc; 4464 { 4465 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4466 struct ifmedia_entry *ife; 4467 struct mii_softc *phy; 4468 struct tulip_21x4x_media *tm; 4469 const struct tulip_srom_to_ifmedia *tsti; 4470 int i, devcnt, leaf_offset, m_cnt, type, length; 4471 int defmedia, miidef; 4472 u_int16_t word; 4473 u_int8_t *cp, *ncp; 4474 4475 defmedia = miidef = 0; 4476 4477 sc->sc_mii.mii_ifp = ifp; 4478 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4479 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4480 sc->sc_mii.mii_statchg = sc->sc_statchg; 4481 4482 /* 4483 * Ignore `instance'; we may get a mixture of SIA and MII 4484 * media, and `instance' is used to isolate or select the 4485 * PHY on the MII as appropriate. Note that duplicate media 4486 * are disallowed, so ignoring `instance' is safe. 4487 */ 4488 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4489 tlp_mediastatus); 4490 4491 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4492 for (i = 0; i < devcnt; i++) { 4493 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4494 break; 4495 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4496 sc->sc_devno) 4497 break; 4498 } 4499 4500 if (i == devcnt) { 4501 printf("%s: unable to locate info leaf in SROM\n", 4502 sc->sc_dev.dv_xname); 4503 return; 4504 } 4505 4506 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4507 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4508 4509 /* XXX SELECT CONN TYPE */ 4510 4511 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4512 4513 /* 4514 * On some chips, the first thing in the Info Leaf is the 4515 * GPIO pin direction data. 4516 */ 4517 switch (sc->sc_chip) { 4518 case TULIP_CHIP_21140: 4519 case TULIP_CHIP_21140A: 4520 case TULIP_CHIP_MX98713: 4521 case TULIP_CHIP_AX88140: 4522 case TULIP_CHIP_AX88141: 4523 sc->sc_gp_dir = *cp++; 4524 break; 4525 4526 default: 4527 /* Nothing. */ 4528 break; 4529 } 4530 4531 /* Get the media count. */ 4532 m_cnt = *cp++; 4533 4534 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4535 /* 4536 * Determine the type and length of this media block. 4537 * The 21143 is spec'd to always use extended format blocks, 4538 * but some cards don't set the bit to indicate this. 4539 * Hopefully there are no cards which really don't use 4540 * extended format blocks. 4541 */ 4542 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4543 length = 4; 4544 type = TULIP_ROM_MB_21140_GPR; 4545 } else { 4546 length = (*cp++ & 0x7f) - 1; 4547 type = *cp++ & 0x3f; 4548 } 4549 4550 /* Compute the start of the next block. */ 4551 ncp = cp + length; 4552 4553 /* Now, parse the block. */ 4554 switch (type) { 4555 case TULIP_ROM_MB_21140_GPR: 4556 tlp_get_minst(sc); 4557 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4558 4559 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4560 4561 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4562 tm->tm_get = tlp_21140_gpio_get; 4563 tm->tm_set = tlp_21140_gpio_set; 4564 4565 /* First is the media type code. */ 4566 tsti = tlp_srom_to_ifmedia(cp[0] & 4567 TULIP_ROM_MB_MEDIA_CODE); 4568 if (tsti == NULL) { 4569 /* Invalid media code. */ 4570 free(tm, M_DEVBUF); 4571 break; 4572 } 4573 4574 /* Get defaults. */ 4575 tlp_srom_media_info(sc, tsti, tm); 4576 4577 /* Next is any GPIO info for this media. */ 4578 tm->tm_gpdata = cp[1]; 4579 4580 /* 4581 * Next is a word containing OPMODE information 4582 * and info on how to detect if this media is 4583 * active. 4584 */ 4585 word = TULIP_ROM_GETW(cp, 2); 4586 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4587 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4588 tm->tm_actmask = 4589 TULIP_ROM_MB_BITPOS(word); 4590 tm->tm_actdata = 4591 (word & TULIP_ROM_MB_POLARITY) ? 4592 0 : tm->tm_actmask; 4593 } 4594 4595 ifmedia_add(&sc->sc_mii.mii_media, 4596 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4597 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4598 break; 4599 4600 case TULIP_ROM_MB_21140_MII: 4601 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4602 4603 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4604 4605 tm->tm_type = TULIP_ROM_MB_21140_MII; 4606 tm->tm_get = tlp_mii_getmedia; 4607 tm->tm_set = tlp_mii_setmedia; 4608 tm->tm_opmode = OPMODE_PS; 4609 4610 if (sc->sc_reset == NULL) 4611 sc->sc_reset = tlp_21140_reset; 4612 4613 /* First is the PHY number. */ 4614 tm->tm_phyno = *cp++; 4615 4616 /* Next is the MII select sequence length and offset. */ 4617 tm->tm_gp_length = *cp++; 4618 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4619 cp += tm->tm_gp_length; 4620 4621 /* Next is the MII reset sequence length and offset. */ 4622 tm->tm_reset_length = *cp++; 4623 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4624 cp += tm->tm_reset_length; 4625 4626 /* 4627 * The following items are left in the media block 4628 * that we don't particularly care about: 4629 * 4630 * capabilities W 4631 * advertisement W 4632 * full duplex W 4633 * tx threshold W 4634 * 4635 * These appear to be bits in the PHY registers, 4636 * which our MII code handles on its own. 4637 */ 4638 4639 /* 4640 * Before we probe the MII bus, we need to reset 4641 * it and issue the selection sequence. 4642 */ 4643 4644 /* Set the direction of the pins... */ 4645 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4646 4647 for (i = 0; i < tm->tm_reset_length; i++) { 4648 delay(10); 4649 TULIP_WRITE(sc, CSR_GPP, 4650 sc->sc_srom[tm->tm_reset_offset + i]); 4651 } 4652 4653 for (i = 0; i < tm->tm_gp_length; i++) { 4654 delay(10); 4655 TULIP_WRITE(sc, CSR_GPP, 4656 sc->sc_srom[tm->tm_gp_offset + i]); 4657 } 4658 4659 /* If there were no sequences, just lower the pins. */ 4660 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4661 delay(10); 4662 TULIP_WRITE(sc, CSR_GPP, 0); 4663 } 4664 4665 /* 4666 * Now, probe the MII for the PHY. Note, we know 4667 * the location of the PHY on the bus, but we don't 4668 * particularly care; the MII code just likes to 4669 * search the whole thing anyhow. 4670 */ 4671 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4672 MII_PHY_ANY, tm->tm_phyno, 0); 4673 4674 /* 4675 * Now, search for the PHY we hopefully just 4676 * configured. If it's not configured into the 4677 * kernel, we lose. The PHY's default media always 4678 * takes priority. 4679 */ 4680 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4681 phy != NULL; 4682 phy = LIST_NEXT(phy, mii_list)) 4683 if (phy->mii_offset == tm->tm_phyno) 4684 break; 4685 if (phy == NULL) { 4686 printf("%s: unable to configure MII\n", 4687 sc->sc_dev.dv_xname); 4688 break; 4689 } 4690 4691 sc->sc_flags |= TULIPF_HAS_MII; 4692 sc->sc_tick = tlp_mii_tick; 4693 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4694 phy->mii_inst); 4695 4696 /* 4697 * Okay, now that we've found the PHY and the MII 4698 * layer has added all of the media associated 4699 * with that PHY, we need to traverse the media 4700 * list, and add our `tm' to each entry's `aux' 4701 * pointer. 4702 * 4703 * We do this by looking for media with our 4704 * PHY's `instance'. 4705 */ 4706 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4707 ife != NULL; 4708 ife = TAILQ_NEXT(ife, ifm_list)) { 4709 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4710 continue; 4711 ife->ifm_aux = tm; 4712 } 4713 break; 4714 4715 case TULIP_ROM_MB_21142_SIA: 4716 tlp_get_minst(sc); 4717 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4718 4719 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4720 4721 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4722 tm->tm_get = tlp_sia_get; 4723 tm->tm_set = tlp_sia_set; 4724 4725 /* First is the media type code. */ 4726 tsti = tlp_srom_to_ifmedia(cp[0] & 4727 TULIP_ROM_MB_MEDIA_CODE); 4728 if (tsti == NULL) { 4729 /* Invalid media code. */ 4730 free(tm, M_DEVBUF); 4731 break; 4732 } 4733 4734 /* Get defaults. */ 4735 tlp_srom_media_info(sc, tsti, tm); 4736 4737 /* 4738 * Override our default SIA settings if the 4739 * SROM contains its own. 4740 */ 4741 if (cp[0] & 0x40) { 4742 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4743 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4744 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4745 cp += 7; 4746 } else 4747 cp++; 4748 4749 /* Next is GPIO control/data. */ 4750 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4751 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4752 4753 ifmedia_add(&sc->sc_mii.mii_media, 4754 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4755 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4756 break; 4757 4758 case TULIP_ROM_MB_21142_MII: 4759 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4760 4761 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4762 4763 tm->tm_type = TULIP_ROM_MB_21142_MII; 4764 tm->tm_get = tlp_mii_getmedia; 4765 tm->tm_set = tlp_mii_setmedia; 4766 tm->tm_opmode = OPMODE_PS; 4767 4768 if (sc->sc_reset == NULL) 4769 sc->sc_reset = tlp_21142_reset; 4770 4771 /* First is the PHY number. */ 4772 tm->tm_phyno = *cp++; 4773 4774 /* Next is the MII select sequence length and offset. */ 4775 tm->tm_gp_length = *cp++; 4776 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4777 cp += tm->tm_gp_length * 2; 4778 4779 /* Next is the MII reset sequence length and offset. */ 4780 tm->tm_reset_length = *cp++; 4781 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4782 cp += tm->tm_reset_length * 2; 4783 4784 /* 4785 * The following items are left in the media block 4786 * that we don't particularly care about: 4787 * 4788 * capabilities W 4789 * advertisement W 4790 * full duplex W 4791 * tx threshold W 4792 * MII interrupt W 4793 * 4794 * These appear to be bits in the PHY registers, 4795 * which our MII code handles on its own. 4796 */ 4797 4798 /* 4799 * Before we probe the MII bus, we need to reset 4800 * it and issue the selection sequence. 4801 */ 4802 4803 cp = &sc->sc_srom[tm->tm_reset_offset]; 4804 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4805 delay(10); 4806 TULIP_WRITE(sc, CSR_SIAGEN, 4807 TULIP_ROM_GETW(cp, 0) << 16); 4808 } 4809 4810 cp = &sc->sc_srom[tm->tm_gp_offset]; 4811 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4812 delay(10); 4813 TULIP_WRITE(sc, CSR_SIAGEN, 4814 TULIP_ROM_GETW(cp, 0) << 16); 4815 } 4816 4817 /* If there were no sequences, just lower the pins. */ 4818 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4819 delay(10); 4820 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4821 } 4822 4823 /* 4824 * Now, probe the MII for the PHY. Note, we know 4825 * the location of the PHY on the bus, but we don't 4826 * particularly care; the MII code just likes to 4827 * search the whole thing anyhow. 4828 */ 4829 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4830 MII_PHY_ANY, tm->tm_phyno, 0); 4831 4832 /* 4833 * Now, search for the PHY we hopefully just 4834 * configured. If it's not configured into the 4835 * kernel, we lose. The PHY's default media always 4836 * takes priority. 4837 */ 4838 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4839 phy != NULL; 4840 phy = LIST_NEXT(phy, mii_list)) 4841 if (phy->mii_offset == tm->tm_phyno) 4842 break; 4843 if (phy == NULL) { 4844 printf("%s: unable to configure MII\n", 4845 sc->sc_dev.dv_xname); 4846 break; 4847 } 4848 4849 sc->sc_flags |= TULIPF_HAS_MII; 4850 sc->sc_tick = tlp_mii_tick; 4851 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4852 phy->mii_inst); 4853 4854 /* 4855 * Okay, now that we've found the PHY and the MII 4856 * layer has added all of the media associated 4857 * with that PHY, we need to traverse the media 4858 * list, and add our `tm' to each entry's `aux' 4859 * pointer. 4860 * 4861 * We do this by looking for media with our 4862 * PHY's `instance'. 4863 */ 4864 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4865 ife != NULL; 4866 ife = TAILQ_NEXT(ife, ifm_list)) { 4867 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4868 continue; 4869 ife->ifm_aux = tm; 4870 } 4871 break; 4872 4873 case TULIP_ROM_MB_21143_SYM: 4874 tlp_get_minst(sc); 4875 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4876 4877 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4878 4879 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4880 tm->tm_get = tlp_sia_get; 4881 tm->tm_set = tlp_sia_set; 4882 4883 /* First is the media type code. */ 4884 tsti = tlp_srom_to_ifmedia(cp[0] & 4885 TULIP_ROM_MB_MEDIA_CODE); 4886 if (tsti == NULL) { 4887 /* Invalid media code. */ 4888 free(tm, M_DEVBUF); 4889 break; 4890 } 4891 4892 /* Get defaults. */ 4893 tlp_srom_media_info(sc, tsti, tm); 4894 4895 /* Next is GPIO control/data. */ 4896 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4897 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4898 4899 /* 4900 * Next is a word containing OPMODE information 4901 * and info on how to detect if this media is 4902 * active. 4903 */ 4904 word = TULIP_ROM_GETW(cp, 5); 4905 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4906 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4907 tm->tm_actmask = 4908 TULIP_ROM_MB_BITPOS(word); 4909 tm->tm_actdata = 4910 (word & TULIP_ROM_MB_POLARITY) ? 4911 0 : tm->tm_actmask; 4912 } 4913 4914 ifmedia_add(&sc->sc_mii.mii_media, 4915 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4916 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4917 break; 4918 4919 case TULIP_ROM_MB_21143_RESET: 4920 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4921 break; 4922 4923 default: 4924 printf("%s: unknown ISV media block type 0x%02x\n", 4925 sc->sc_dev.dv_xname, type); 4926 } 4927 } 4928 4929 /* 4930 * Deal with the case where no media is configured. 4931 */ 4932 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4933 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4934 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4935 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4936 return; 4937 } 4938 4939 /* 4940 * Pick the default media. 4941 */ 4942 if (miidef != 0) 4943 defmedia = miidef; 4944 else { 4945 /* 4946 * XXX Pick a better default. Should come from SROM 4947 * XXX on 21140[A], and should be "auto" on 21142, 4948 * XXX 21143, and Macronix chips. 4949 */ 4950 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4951 } 4952 4953 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4954 4955 /* 4956 * Display any non-MII media we've located. 4957 */ 4958 if (sc->sc_media_seen & 4959 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4960 tlp_print_media(sc); 4961 4962 tlp_sia_fixup(sc); 4963 } 4964 4965 void 4966 tlp_2114x_isv_tmsw_get(sc, ifmr) 4967 struct tulip_softc *sc; 4968 struct ifmediareq *ifmr; 4969 { 4970 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4971 struct tulip_21x4x_media *tm = ife->ifm_aux; 4972 4973 /* 4974 * We might be polling a non-MII autosense; check for that. 4975 */ 4976 if (tm == NULL) { 4977 #ifdef DIAGNOSTIC 4978 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4979 panic("tlp_2114x_isv_tmsw_get"); 4980 #endif 4981 tm = sc->sc_nway_active->ifm_aux; 4982 } 4983 4984 (*tm->tm_get)(sc, ifmr); 4985 } 4986 4987 int 4988 tlp_2114x_isv_tmsw_set(sc) 4989 struct tulip_softc *sc; 4990 { 4991 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4992 struct tulip_21x4x_media *tm = ife->ifm_aux; 4993 4994 /* 4995 * We might be setting a non-MII autosense; check for that. 4996 */ 4997 if (tm == NULL) { 4998 #ifdef DIAGNOSTIC 4999 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5000 panic("tlp_2114x_isv_tmsw_set"); 5001 #endif 5002 /* XXX XXX XXX */ 5003 } 5004 5005 /* 5006 * Check to see if we need to reset the chip, and do it. The 5007 * reset path will get the OPMODE register right the next 5008 * time through. 5009 */ 5010 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5011 return (tlp_init(&sc->sc_ethercom.ec_if)); 5012 5013 return ((*tm->tm_set)(sc)); 5014 } 5015 5016 /* 5017 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5018 */ 5019 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5020 5021 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5022 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5023 }; 5024 5025 void 5026 tlp_sio_mii_tmsw_init(sc) 5027 struct tulip_softc *sc; 5028 { 5029 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5030 5031 /* 5032 * We don't attach any media info structures to the ifmedia 5033 * entries, so if we're using a pre-init function that needs 5034 * that info, override it to one that doesn't. 5035 */ 5036 if (sc->sc_preinit == tlp_2114x_preinit) 5037 sc->sc_preinit = tlp_2114x_mii_preinit; 5038 5039 sc->sc_mii.mii_ifp = ifp; 5040 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5041 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5042 sc->sc_mii.mii_statchg = sc->sc_statchg; 5043 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5044 tlp_mediastatus); 5045 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5046 MII_OFFSET_ANY, 0); 5047 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5048 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5049 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5050 } else { 5051 sc->sc_flags |= TULIPF_HAS_MII; 5052 sc->sc_tick = tlp_mii_tick; 5053 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5054 } 5055 } 5056 5057 /* 5058 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5059 */ 5060 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5061 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5062 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5063 5064 const struct tulip_mediasw tlp_pnic_mediasw = { 5065 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5066 }; 5067 5068 void tlp_pnic_nway_statchg __P((struct device *)); 5069 void tlp_pnic_nway_tick __P((void *)); 5070 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5071 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5072 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5073 void tlp_pnic_nway_auto_timeout __P((void *)); 5074 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5075 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5076 5077 void 5078 tlp_pnic_tmsw_init(sc) 5079 struct tulip_softc *sc; 5080 { 5081 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5082 const char *sep = ""; 5083 5084 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5085 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5086 5087 sc->sc_mii.mii_ifp = ifp; 5088 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5089 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5090 sc->sc_mii.mii_statchg = sc->sc_statchg; 5091 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5092 tlp_mediastatus); 5093 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5094 MII_OFFSET_ANY, 0); 5095 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5096 /* XXX What about AUI/BNC support? */ 5097 printf("%s: ", sc->sc_dev.dv_xname); 5098 5099 tlp_pnic_nway_reset(sc); 5100 5101 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5102 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5103 PRINT("10baseT"); 5104 5105 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5106 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5107 PRINT("10baseT-FDX"); 5108 5109 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5110 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5111 PRINT("100baseTX"); 5112 5113 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5114 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5115 PNIC_NWAY_CAP100TXFDX); 5116 PRINT("100baseTX-FDX"); 5117 5118 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5119 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5120 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5121 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5122 PRINT("auto"); 5123 5124 printf("\n"); 5125 5126 sc->sc_statchg = tlp_pnic_nway_statchg; 5127 sc->sc_tick = tlp_pnic_nway_tick; 5128 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5129 } else { 5130 sc->sc_flags |= TULIPF_HAS_MII; 5131 sc->sc_tick = tlp_mii_tick; 5132 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5133 } 5134 5135 #undef ADD 5136 #undef PRINT 5137 } 5138 5139 void 5140 tlp_pnic_tmsw_get(sc, ifmr) 5141 struct tulip_softc *sc; 5142 struct ifmediareq *ifmr; 5143 { 5144 struct mii_data *mii = &sc->sc_mii; 5145 5146 if (sc->sc_flags & TULIPF_HAS_MII) 5147 tlp_mii_getmedia(sc, ifmr); 5148 else { 5149 mii->mii_media_status = 0; 5150 mii->mii_media_active = IFM_NONE; 5151 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5152 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5153 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5154 } 5155 } 5156 5157 int 5158 tlp_pnic_tmsw_set(sc) 5159 struct tulip_softc *sc; 5160 { 5161 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5162 struct mii_data *mii = &sc->sc_mii; 5163 5164 if (sc->sc_flags & TULIPF_HAS_MII) { 5165 /* 5166 * Make sure the built-in Tx jabber timer is disabled. 5167 */ 5168 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5169 5170 return (tlp_mii_setmedia(sc)); 5171 } 5172 5173 if (ifp->if_flags & IFF_UP) { 5174 mii->mii_media_status = 0; 5175 mii->mii_media_active = IFM_NONE; 5176 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5177 } 5178 5179 return (0); 5180 } 5181 5182 void 5183 tlp_pnic_nway_statchg(self) 5184 struct device *self; 5185 { 5186 struct tulip_softc *sc = (struct tulip_softc *)self; 5187 5188 /* Idle the transmit and receive processes. */ 5189 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5190 5191 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5192 OPMODE_SCR|OPMODE_HBD); 5193 5194 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5195 sc->sc_opmode |= OPMODE_TTM; 5196 TULIP_WRITE(sc, CSR_GPP, 5197 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5198 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5199 } else { 5200 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5201 TULIP_WRITE(sc, CSR_GPP, 5202 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5203 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5204 } 5205 5206 if (sc->sc_mii.mii_media_active & IFM_FDX) 5207 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5208 5209 /* 5210 * Write new OPMODE bits. This also restarts the transmit 5211 * and receive processes. 5212 */ 5213 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5214 } 5215 5216 void 5217 tlp_pnic_nway_tick(arg) 5218 void *arg; 5219 { 5220 struct tulip_softc *sc = arg; 5221 int s; 5222 5223 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5224 return; 5225 5226 s = splnet(); 5227 tlp_pnic_nway_service(sc, MII_TICK); 5228 splx(s); 5229 5230 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5231 } 5232 5233 /* 5234 * Support for the Lite-On PNIC internal NWay block. This is constructed 5235 * somewhat like a PHY driver for simplicity. 5236 */ 5237 5238 int 5239 tlp_pnic_nway_service(sc, cmd) 5240 struct tulip_softc *sc; 5241 int cmd; 5242 { 5243 struct mii_data *mii = &sc->sc_mii; 5244 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5245 5246 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5247 return (0); 5248 5249 switch (cmd) { 5250 case MII_POLLSTAT: 5251 /* Nothing special to do here. */ 5252 break; 5253 5254 case MII_MEDIACHG: 5255 switch (IFM_SUBTYPE(ife->ifm_media)) { 5256 case IFM_AUTO: 5257 (void) tlp_pnic_nway_auto(sc, 1); 5258 break; 5259 case IFM_100_T4: 5260 /* 5261 * XXX Not supported as a manual setting right now. 5262 */ 5263 return (EINVAL); 5264 default: 5265 /* 5266 * NWAY register data is stored in the ifmedia entry. 5267 */ 5268 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5269 } 5270 break; 5271 5272 case MII_TICK: 5273 /* 5274 * Only used for autonegotiation. 5275 */ 5276 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5277 return (0); 5278 5279 /* 5280 * Check to see if we have link. If we do, we don't 5281 * need to restart the autonegotiation process. 5282 */ 5283 if (sc->sc_flags & TULIPF_LINK_UP) 5284 return (0); 5285 5286 /* 5287 * Only retry autonegotiation every 5 seconds. 5288 */ 5289 if (++sc->sc_nway_ticks != 5) 5290 return (0); 5291 5292 sc->sc_nway_ticks = 0; 5293 tlp_pnic_nway_reset(sc); 5294 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5295 return (0); 5296 break; 5297 } 5298 5299 /* Update the media status. */ 5300 tlp_pnic_nway_status(sc); 5301 5302 /* Callback if something changed. */ 5303 if ((sc->sc_nway_active == NULL || 5304 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5305 cmd == MII_MEDIACHG) { 5306 (*sc->sc_statchg)(&sc->sc_dev); 5307 tlp_nway_activate(sc, mii->mii_media_active); 5308 } 5309 return (0); 5310 } 5311 5312 void 5313 tlp_pnic_nway_reset(sc) 5314 struct tulip_softc *sc; 5315 { 5316 5317 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5318 delay(100); 5319 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5320 } 5321 5322 int 5323 tlp_pnic_nway_auto(sc, waitfor) 5324 struct tulip_softc *sc; 5325 int waitfor; 5326 { 5327 struct mii_data *mii = &sc->sc_mii; 5328 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5329 u_int32_t reg; 5330 int i; 5331 5332 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5333 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5334 5335 if (waitfor) { 5336 /* Wait 500ms for it to complete. */ 5337 for (i = 0; i < 500; i++) { 5338 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5339 if (reg & PNIC_NWAY_LPAR_MASK) { 5340 tlp_pnic_nway_acomp(sc); 5341 return (0); 5342 } 5343 delay(1000); 5344 } 5345 #if 0 5346 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5347 printf("%s: autonegotiation failed to complete\n", 5348 sc->sc_dev.dv_xname); 5349 #endif 5350 5351 /* 5352 * Don't need to worry about clearing DOINGAUTO. 5353 * If that's set, a timeout is pending, and it will 5354 * clear the flag. 5355 */ 5356 return (EIO); 5357 } 5358 5359 /* 5360 * Just let it finish asynchronously. This is for the benefit of 5361 * the tick handler driving autonegotiation. Don't want 500ms 5362 * delays all the time while the system is running! 5363 */ 5364 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5365 sc->sc_flags |= TULIPF_DOINGAUTO; 5366 callout_reset(&sc->sc_nway_callout, hz >> 1, 5367 tlp_pnic_nway_auto_timeout, sc); 5368 } 5369 return (EJUSTRETURN); 5370 } 5371 5372 void 5373 tlp_pnic_nway_auto_timeout(arg) 5374 void *arg; 5375 { 5376 struct tulip_softc *sc = arg; 5377 u_int32_t reg; 5378 int s; 5379 5380 s = splnet(); 5381 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5382 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5383 #if 0 5384 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5385 printf("%s: autonegotiation failed to complete\n", 5386 sc->sc_dev.dv_xname); 5387 #endif 5388 5389 tlp_pnic_nway_acomp(sc); 5390 5391 /* Update the media status. */ 5392 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5393 splx(s); 5394 } 5395 5396 void 5397 tlp_pnic_nway_status(sc) 5398 struct tulip_softc *sc; 5399 { 5400 struct mii_data *mii = &sc->sc_mii; 5401 u_int32_t reg; 5402 5403 mii->mii_media_status = IFM_AVALID; 5404 mii->mii_media_active = IFM_ETHER; 5405 5406 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5407 5408 if (sc->sc_flags & TULIPF_LINK_UP) 5409 mii->mii_media_status |= IFM_ACTIVE; 5410 5411 if (reg & PNIC_NWAY_NW) { 5412 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5413 /* Erg, still trying, I guess... */ 5414 mii->mii_media_active |= IFM_NONE; 5415 return; 5416 } 5417 5418 #if 0 5419 if (reg & PNIC_NWAY_LPAR100T4) 5420 mii->mii_media_active |= IFM_100_T4; 5421 else 5422 #endif 5423 if (reg & PNIC_NWAY_LPAR100TXFDX) 5424 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5425 else if (reg & PNIC_NWAY_LPAR100TX) 5426 mii->mii_media_active |= IFM_100_TX; 5427 else if (reg & PNIC_NWAY_LPAR10TFDX) 5428 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5429 else if (reg & PNIC_NWAY_LPAR10T) 5430 mii->mii_media_active |= IFM_10_T; 5431 else 5432 mii->mii_media_active |= IFM_NONE; 5433 } else { 5434 if (reg & PNIC_NWAY_100) 5435 mii->mii_media_active |= IFM_100_TX; 5436 else 5437 mii->mii_media_active |= IFM_10_T; 5438 if (reg & PNIC_NWAY_FD) 5439 mii->mii_media_active |= IFM_FDX; 5440 } 5441 } 5442 5443 void 5444 tlp_pnic_nway_acomp(sc) 5445 struct tulip_softc *sc; 5446 { 5447 u_int32_t reg; 5448 5449 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5450 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5451 5452 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5453 reg |= PNIC_NWAY_100; 5454 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5455 reg |= PNIC_NWAY_FD; 5456 5457 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5458 } 5459 5460 /* 5461 * Macronix PMAC and Lite-On PNIC-II media switch: 5462 * 5463 * MX98713 and MX98713A 21140-like MII or GPIO media. 5464 * 5465 * MX98713A 21143-like MII or SIA/SYM media. 5466 * 5467 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5468 * 82C115, MX98715AEC-C, -E 5469 * 5470 * So, what we do here is fake MII-on-SIO or ISV media info, and 5471 * use the ISV media switch get/set functions to handle the rest. 5472 */ 5473 5474 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5475 5476 const struct tulip_mediasw tlp_pmac_mediasw = { 5477 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5478 }; 5479 5480 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5481 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5482 }; 5483 5484 void 5485 tlp_pmac_tmsw_init(sc) 5486 struct tulip_softc *sc; 5487 { 5488 static const u_int8_t media[] = { 5489 TULIP_ROM_MB_MEDIA_TP, 5490 TULIP_ROM_MB_MEDIA_TP_FDX, 5491 TULIP_ROM_MB_MEDIA_100TX, 5492 TULIP_ROM_MB_MEDIA_100TX_FDX, 5493 }; 5494 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5495 5496 sc->sc_mii.mii_ifp = ifp; 5497 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5498 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5499 sc->sc_mii.mii_statchg = sc->sc_statchg; 5500 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5501 tlp_mediastatus); 5502 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5503 sc->sc_chip == TULIP_CHIP_MX98713A) { 5504 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5505 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5506 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5507 sc->sc_flags |= TULIPF_HAS_MII; 5508 sc->sc_tick = tlp_mii_tick; 5509 sc->sc_preinit = tlp_2114x_mii_preinit; 5510 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5511 ifmedia_set(&sc->sc_mii.mii_media, 5512 IFM_ETHER|IFM_AUTO); 5513 return; 5514 } 5515 } 5516 5517 switch (sc->sc_chip) { 5518 case TULIP_CHIP_MX98713: 5519 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5520 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5521 5522 /* 5523 * XXX Should implement auto-sense for this someday, 5524 * XXX when we do the same for the 21140. 5525 */ 5526 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5527 break; 5528 5529 default: 5530 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5531 tlp_sia_get, tlp_sia_set, media, 2); 5532 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5533 tlp_sia_get, tlp_sia_set, media + 2, 2); 5534 5535 /* 5536 * XXX Autonegotiation not yet supported. 5537 */ 5538 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5539 break; 5540 } 5541 5542 tlp_print_media(sc); 5543 tlp_sia_fixup(sc); 5544 5545 /* Set the LED modes. */ 5546 tlp_pmac_reset(sc); 5547 5548 sc->sc_reset = tlp_pmac_reset; 5549 } 5550 5551 /* 5552 * ADMtek AL981 media switch. Only has internal PHY. 5553 */ 5554 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5555 5556 const struct tulip_mediasw tlp_al981_mediasw = { 5557 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5558 }; 5559 5560 void 5561 tlp_al981_tmsw_init(sc) 5562 struct tulip_softc *sc; 5563 { 5564 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5565 5566 sc->sc_mii.mii_ifp = ifp; 5567 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5568 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5569 sc->sc_mii.mii_statchg = sc->sc_statchg; 5570 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5571 tlp_mediastatus); 5572 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5573 MII_OFFSET_ANY, 0); 5574 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5575 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5576 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5577 } else { 5578 sc->sc_flags |= TULIPF_HAS_MII; 5579 sc->sc_tick = tlp_mii_tick; 5580 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5581 } 5582 } 5583 5584 /* 5585 * ADMtek AN983/985 media switch. Only has internal PHY, but 5586 * on an SIO-like interface. Unfortunately, we can't use the 5587 * standard SIO media switch, because the AN985 "ghosts" the 5588 * singly PHY at every address. 5589 */ 5590 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5591 5592 const struct tulip_mediasw tlp_an985_mediasw = { 5593 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5594 }; 5595 5596 void 5597 tlp_an985_tmsw_init(sc) 5598 struct tulip_softc *sc; 5599 { 5600 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5601 5602 sc->sc_mii.mii_ifp = ifp; 5603 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5604 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5605 sc->sc_mii.mii_statchg = sc->sc_statchg; 5606 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5607 tlp_mediastatus); 5608 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5609 MII_OFFSET_ANY, 0); 5610 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5611 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5612 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5613 } else { 5614 sc->sc_flags |= TULIPF_HAS_MII; 5615 sc->sc_tick = tlp_mii_tick; 5616 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5617 } 5618 } 5619 5620 /* 5621 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5622 */ 5623 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5624 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5625 struct ifmediareq *)); 5626 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5627 5628 const struct tulip_mediasw tlp_dm9102_mediasw = { 5629 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5630 tlp_dm9102_tmsw_setmedia 5631 }; 5632 5633 void 5634 tlp_dm9102_tmsw_init(sc) 5635 struct tulip_softc *sc; 5636 { 5637 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5638 u_int32_t opmode; 5639 5640 sc->sc_mii.mii_ifp = ifp; 5641 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5642 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5643 sc->sc_mii.mii_statchg = sc->sc_statchg; 5644 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5645 tlp_mediastatus); 5646 5647 /* PHY block already reset via tlp_reset(). */ 5648 5649 /* 5650 * Configure OPMODE properly for the internal MII interface. 5651 */ 5652 switch (sc->sc_chip) { 5653 case TULIP_CHIP_DM9102: 5654 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5655 break; 5656 5657 case TULIP_CHIP_DM9102A: 5658 opmode = OPMODE_MBO|OPMODE_HBD; 5659 break; 5660 5661 default: 5662 /* Nothing. */ 5663 break; 5664 } 5665 5666 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5667 5668 /* Now, probe the internal MII for the internal PHY. */ 5669 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5670 MII_OFFSET_ANY, 0); 5671 5672 /* 5673 * XXX Figure out what to do about the HomePNA portion 5674 * XXX of the DM9102A. 5675 */ 5676 5677 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5678 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5679 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5680 } else { 5681 sc->sc_flags |= TULIPF_HAS_MII; 5682 sc->sc_tick = tlp_mii_tick; 5683 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5684 } 5685 } 5686 5687 void 5688 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5689 struct tulip_softc *sc; 5690 struct ifmediareq *ifmr; 5691 { 5692 5693 /* XXX HomePNA on DM9102A. */ 5694 tlp_mii_getmedia(sc, ifmr); 5695 } 5696 5697 int 5698 tlp_dm9102_tmsw_setmedia(sc) 5699 struct tulip_softc *sc; 5700 { 5701 5702 /* XXX HomePNA on DM9102A. */ 5703 return (tlp_mii_setmedia(sc)); 5704 } 5705
Indexes created Fri Sep 26 20:09:58 GMT 2025