tulip.c revision 1.122
1 /* $NetBSD: tulip.c,v 1.122 2003/02/26 06:31:10 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center; and by Charles M. Hannum. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.122 2003/02/26 06:31:10 matt Exp $"); 47 48 #include "bpfilter.h" 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/callout.h> 53 #include <sys/mbuf.h> 54 #include <sys/malloc.h> 55 #include <sys/kernel.h> 56 #include <sys/socket.h> 57 #include <sys/ioctl.h> 58 #include <sys/errno.h> 59 #include <sys/device.h> 60 61 #include <machine/endian.h> 62 63 #include <uvm/uvm_extern.h> 64 65 #include <net/if.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 #include <net/if_ether.h> 69 70 #if NBPFILTER > 0 71 #include <net/bpf.h> 72 #endif 73 74 #include <machine/bus.h> 75 #include <machine/intr.h> 76 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 #include <dev/mii/mii_bitbang.h> 80 81 #include <dev/ic/tulipreg.h> 82 #include <dev/ic/tulipvar.h> 83 84 const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; 85 86 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 87 TLP_TXTHRESH_TAB_10; 88 89 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 90 TLP_TXTHRESH_TAB_10_100; 91 92 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 93 TLP_TXTHRESH_TAB_WINB; 94 95 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_DM9102; 97 98 void tlp_start __P((struct ifnet *)); 99 void tlp_watchdog __P((struct ifnet *)); 100 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 101 int tlp_init __P((struct ifnet *)); 102 void tlp_stop __P((struct ifnet *, int)); 103 104 void tlp_shutdown __P((void *)); 105 106 void tlp_rxdrain __P((struct tulip_softc *)); 107 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 108 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 109 void tlp_srom_idle __P((struct tulip_softc *)); 110 int tlp_srom_size __P((struct tulip_softc *)); 111 112 int tlp_enable __P((struct tulip_softc *)); 113 void tlp_disable __P((struct tulip_softc *)); 114 void tlp_power __P((int, void *)); 115 116 void tlp_filter_setup __P((struct tulip_softc *)); 117 void tlp_winb_filter_setup __P((struct tulip_softc *)); 118 void tlp_al981_filter_setup __P((struct tulip_softc *)); 119 120 void tlp_rxintr __P((struct tulip_softc *)); 121 void tlp_txintr __P((struct tulip_softc *)); 122 123 void tlp_mii_tick __P((void *)); 124 void tlp_mii_statchg __P((struct device *)); 125 void tlp_winb_mii_statchg __P((struct device *)); 126 void tlp_dm9102_mii_statchg __P((struct device *)); 127 128 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 129 int tlp_mii_setmedia __P((struct tulip_softc *)); 130 131 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 132 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 133 134 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 135 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 136 137 int tlp_al981_mii_readreg __P((struct device *, int, int)); 138 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 139 140 void tlp_2114x_preinit __P((struct tulip_softc *)); 141 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 142 void tlp_pnic_preinit __P((struct tulip_softc *)); 143 void tlp_dm9102_preinit __P((struct tulip_softc *)); 144 145 void tlp_21140_reset __P((struct tulip_softc *)); 146 void tlp_21142_reset __P((struct tulip_softc *)); 147 void tlp_pmac_reset __P((struct tulip_softc *)); 148 void tlp_dm9102_reset __P((struct tulip_softc *)); 149 150 void tlp_2114x_nway_tick __P((void *)); 151 152 #define tlp_mchash(addr, sz) \ 153 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 154 155 /* 156 * MII bit-bang glue. 157 */ 158 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 159 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 160 161 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 162 tlp_sio_mii_bitbang_read, 163 tlp_sio_mii_bitbang_write, 164 { 165 MIIROM_MDO, /* MII_BIT_MDO */ 166 MIIROM_MDI, /* MII_BIT_MDI */ 167 MIIROM_MDC, /* MII_BIT_MDC */ 168 0, /* MII_BIT_DIR_HOST_PHY */ 169 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 170 } 171 }; 172 173 #ifdef TLP_DEBUG 174 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 175 printf x 176 #else 177 #define DPRINTF(sc, x) /* nothing */ 178 #endif 179 180 #ifdef TLP_STATS 181 void tlp_print_stats __P((struct tulip_softc *)); 182 #endif 183 184 /* 185 * Can be used to debug the SROM-related things, including contents. 186 * Initialized so that it's patchable. 187 */ 188 int tlp_srom_debug = 0; 189 190 /* 191 * tlp_attach: 192 * 193 * Attach a Tulip interface to the system. 194 */ 195 void 196 tlp_attach(sc, enaddr) 197 struct tulip_softc *sc; 198 const u_int8_t *enaddr; 199 { 200 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 201 int i, error; 202 203 callout_init(&sc->sc_nway_callout); 204 callout_init(&sc->sc_tick_callout); 205 206 /* 207 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 208 */ 209 210 /* 211 * Setup the transmit threshold table. 212 */ 213 switch (sc->sc_chip) { 214 case TULIP_CHIP_DE425: 215 case TULIP_CHIP_21040: 216 case TULIP_CHIP_21041: 217 sc->sc_txth = tlp_10_txthresh_tab; 218 break; 219 220 case TULIP_CHIP_DM9102: 221 case TULIP_CHIP_DM9102A: 222 sc->sc_txth = tlp_dm9102_txthresh_tab; 223 break; 224 225 default: 226 sc->sc_txth = tlp_10_100_txthresh_tab; 227 break; 228 } 229 230 /* 231 * Setup the filter setup function. 232 */ 233 switch (sc->sc_chip) { 234 case TULIP_CHIP_WB89C840F: 235 sc->sc_filter_setup = tlp_winb_filter_setup; 236 break; 237 238 case TULIP_CHIP_AL981: 239 case TULIP_CHIP_AN983: 240 case TULIP_CHIP_AN985: 241 sc->sc_filter_setup = tlp_al981_filter_setup; 242 break; 243 244 default: 245 sc->sc_filter_setup = tlp_filter_setup; 246 break; 247 } 248 249 /* 250 * Set up the media status change function. 251 */ 252 switch (sc->sc_chip) { 253 case TULIP_CHIP_WB89C840F: 254 sc->sc_statchg = tlp_winb_mii_statchg; 255 break; 256 257 case TULIP_CHIP_DM9102: 258 case TULIP_CHIP_DM9102A: 259 sc->sc_statchg = tlp_dm9102_mii_statchg; 260 break; 261 262 default: 263 /* 264 * We may override this if we have special media 265 * handling requirements (e.g. flipping GPIO pins). 266 * 267 * The pure-MII statchg function covers the basics. 268 */ 269 sc->sc_statchg = tlp_mii_statchg; 270 break; 271 } 272 273 /* 274 * Default to no FS|LS in setup packet descriptors. They're 275 * supposed to be zero according to the 21040 and 21143 276 * manuals, and some chips fall over badly if they're 277 * included. Yet, other chips seem to require them. Sigh. 278 */ 279 switch (sc->sc_chip) { 280 case TULIP_CHIP_X3201_3: 281 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 282 break; 283 284 default: 285 sc->sc_setup_fsls = 0; 286 } 287 288 /* 289 * Set up various chip-specific quirks. 290 * 291 * Note that wherever we can, we use the "ring" option for 292 * transmit and receive descriptors. This is because some 293 * clone chips apparently have problems when using chaining, 294 * although some *only* support chaining. 295 * 296 * What we do is always program the "next" pointer, and then 297 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 298 * appropriate places. 299 */ 300 switch (sc->sc_chip) { 301 case TULIP_CHIP_21140: 302 case TULIP_CHIP_21140A: 303 case TULIP_CHIP_21142: 304 case TULIP_CHIP_21143: 305 case TULIP_CHIP_82C115: /* 21143-like */ 306 case TULIP_CHIP_MX98713: /* 21140-like */ 307 case TULIP_CHIP_MX98713A: /* 21143-like */ 308 case TULIP_CHIP_MX98715: /* 21143-like */ 309 case TULIP_CHIP_MX98715A: /* 21143-like */ 310 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 311 case TULIP_CHIP_MX98725: /* 21143-like */ 312 /* 313 * Run these chips in ring mode. 314 */ 315 sc->sc_tdctl_ch = 0; 316 sc->sc_tdctl_er = TDCTL_ER; 317 sc->sc_preinit = tlp_2114x_preinit; 318 break; 319 320 case TULIP_CHIP_82C168: 321 case TULIP_CHIP_82C169: 322 /* 323 * Run these chips in ring mode. 324 */ 325 sc->sc_tdctl_ch = 0; 326 sc->sc_tdctl_er = TDCTL_ER; 327 sc->sc_preinit = tlp_pnic_preinit; 328 329 /* 330 * These chips seem to have busted DMA engines; just put them 331 * in Store-and-Forward mode from the get-go. 332 */ 333 sc->sc_txthresh = TXTH_SF; 334 break; 335 336 case TULIP_CHIP_WB89C840F: 337 /* 338 * Run this chip in chained mode. 339 */ 340 sc->sc_tdctl_ch = TDCTL_CH; 341 sc->sc_tdctl_er = 0; 342 sc->sc_flags |= TULIPF_IC_FS; 343 break; 344 345 case TULIP_CHIP_DM9102: 346 case TULIP_CHIP_DM9102A: 347 /* 348 * Run these chips in chained mode. 349 */ 350 sc->sc_tdctl_ch = TDCTL_CH; 351 sc->sc_tdctl_er = 0; 352 sc->sc_preinit = tlp_dm9102_preinit; 353 354 /* 355 * These chips have a broken bus interface, so we 356 * can't use any optimized bus commands. For this 357 * reason, we tend to underrun pretty quickly, so 358 * just to Store-and-Forward mode from the get-go. 359 */ 360 sc->sc_txthresh = TXTH_DM9102_SF; 361 break; 362 363 default: 364 /* 365 * Default to running in ring mode. 366 */ 367 sc->sc_tdctl_ch = 0; 368 sc->sc_tdctl_er = TDCTL_ER; 369 } 370 371 /* 372 * Set up the MII bit-bang operations. 373 */ 374 switch (sc->sc_chip) { 375 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 376 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 377 break; 378 379 default: 380 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 381 } 382 383 SIMPLEQ_INIT(&sc->sc_txfreeq); 384 SIMPLEQ_INIT(&sc->sc_txdirtyq); 385 386 /* 387 * Allocate the control data structures, and create and load the 388 * DMA map for it. 389 */ 390 if ((error = bus_dmamem_alloc(sc->sc_dmat, 391 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 392 1, &sc->sc_cdnseg, 0)) != 0) { 393 printf("%s: unable to allocate control data, error = %d\n", 394 sc->sc_dev.dv_xname, error); 395 goto fail_0; 396 } 397 398 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 399 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 400 BUS_DMA_COHERENT)) != 0) { 401 printf("%s: unable to map control data, error = %d\n", 402 sc->sc_dev.dv_xname, error); 403 goto fail_1; 404 } 405 406 if ((error = bus_dmamap_create(sc->sc_dmat, 407 sizeof(struct tulip_control_data), 1, 408 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 409 printf("%s: unable to create control data DMA map, " 410 "error = %d\n", sc->sc_dev.dv_xname, error); 411 goto fail_2; 412 } 413 414 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 415 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 416 0)) != 0) { 417 printf("%s: unable to load control data DMA map, error = %d\n", 418 sc->sc_dev.dv_xname, error); 419 goto fail_3; 420 } 421 422 /* 423 * Create the transmit buffer DMA maps. 424 * 425 * Note that on the Xircom clone, transmit buffers must be 426 * 4-byte aligned. We're almost guaranteed to have to copy 427 * the packet in that case, so we just limit ourselves to 428 * one segment. 429 * 430 * On the DM9102, the transmit logic can only handle one 431 * DMA segment. 432 */ 433 switch (sc->sc_chip) { 434 case TULIP_CHIP_X3201_3: 435 case TULIP_CHIP_DM9102: 436 case TULIP_CHIP_DM9102A: 437 sc->sc_ntxsegs = 1; 438 break; 439 440 default: 441 sc->sc_ntxsegs = TULIP_NTXSEGS; 442 } 443 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 444 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 445 sc->sc_ntxsegs, MCLBYTES, 0, 0, 446 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 447 printf("%s: unable to create tx DMA map %d, " 448 "error = %d\n", sc->sc_dev.dv_xname, i, error); 449 goto fail_4; 450 } 451 } 452 453 /* 454 * Create the receive buffer DMA maps. 455 */ 456 for (i = 0; i < TULIP_NRXDESC; i++) { 457 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 458 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 459 printf("%s: unable to create rx DMA map %d, " 460 "error = %d\n", sc->sc_dev.dv_xname, i, error); 461 goto fail_5; 462 } 463 sc->sc_rxsoft[i].rxs_mbuf = NULL; 464 } 465 466 /* 467 * From this point forward, the attachment cannot fail. A failure 468 * before this point releases all resources that may have been 469 * allocated. 470 */ 471 sc->sc_flags |= TULIPF_ATTACHED; 472 473 /* 474 * Reset the chip to a known state. 475 */ 476 tlp_reset(sc); 477 478 /* Announce ourselves. */ 479 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 480 sc->sc_name[0] != '\0' ? sc->sc_name : "", 481 sc->sc_name[0] != '\0' ? ", " : "", 482 ether_sprintf(enaddr)); 483 484 /* 485 * Initialize our media structures. This may probe the MII, if 486 * present. 487 */ 488 (*sc->sc_mediasw->tmsw_init)(sc); 489 490 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 491 ifp->if_softc = sc; 492 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 493 ifp->if_ioctl = tlp_ioctl; 494 ifp->if_start = tlp_start; 495 ifp->if_watchdog = tlp_watchdog; 496 ifp->if_init = tlp_init; 497 ifp->if_stop = tlp_stop; 498 IFQ_SET_READY(&ifp->if_snd); 499 500 /* 501 * We can support 802.1Q VLAN-sized frames. 502 */ 503 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 504 505 /* 506 * Attach the interface. 507 */ 508 if_attach(ifp); 509 ether_ifattach(ifp, enaddr); 510 #if NRND > 0 511 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 512 RND_TYPE_NET, 0); 513 #endif 514 515 /* 516 * Make sure the interface is shutdown during reboot. 517 */ 518 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 519 if (sc->sc_sdhook == NULL) 520 printf("%s: WARNING: unable to establish shutdown hook\n", 521 sc->sc_dev.dv_xname); 522 523 /* 524 * Add a suspend hook to make sure we come back up after a 525 * resume. 526 */ 527 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 528 if (sc->sc_powerhook == NULL) 529 printf("%s: WARNING: unable to establish power hook\n", 530 sc->sc_dev.dv_xname); 531 return; 532 533 /* 534 * Free any resources we've allocated during the failed attach 535 * attempt. Do this in reverse order and fall through. 536 */ 537 fail_5: 538 for (i = 0; i < TULIP_NRXDESC; i++) { 539 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 540 bus_dmamap_destroy(sc->sc_dmat, 541 sc->sc_rxsoft[i].rxs_dmamap); 542 } 543 fail_4: 544 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 545 if (sc->sc_txsoft[i].txs_dmamap != NULL) 546 bus_dmamap_destroy(sc->sc_dmat, 547 sc->sc_txsoft[i].txs_dmamap); 548 } 549 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 550 fail_3: 551 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 552 fail_2: 553 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 554 sizeof(struct tulip_control_data)); 555 fail_1: 556 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 557 fail_0: 558 return; 559 } 560 561 /* 562 * tlp_activate: 563 * 564 * Handle device activation/deactivation requests. 565 */ 566 int 567 tlp_activate(self, act) 568 struct device *self; 569 enum devact act; 570 { 571 struct tulip_softc *sc = (void *) self; 572 int s, error = 0; 573 574 s = splnet(); 575 switch (act) { 576 case DVACT_ACTIVATE: 577 error = EOPNOTSUPP; 578 break; 579 580 case DVACT_DEACTIVATE: 581 if (sc->sc_flags & TULIPF_HAS_MII) 582 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 583 MII_OFFSET_ANY); 584 if_deactivate(&sc->sc_ethercom.ec_if); 585 break; 586 } 587 splx(s); 588 589 return (error); 590 } 591 592 /* 593 * tlp_detach: 594 * 595 * Detach a Tulip interface. 596 */ 597 int 598 tlp_detach(sc) 599 struct tulip_softc *sc; 600 { 601 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 602 struct tulip_rxsoft *rxs; 603 struct tulip_txsoft *txs; 604 int i; 605 606 /* 607 * Succeed now if there isn't any work to do. 608 */ 609 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 610 return (0); 611 612 /* Unhook our tick handler. */ 613 if (sc->sc_tick) 614 callout_stop(&sc->sc_tick_callout); 615 616 if (sc->sc_flags & TULIPF_HAS_MII) { 617 /* Detach all PHYs */ 618 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 619 } 620 621 /* Delete all remaining media. */ 622 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 623 624 #if NRND > 0 625 rnd_detach_source(&sc->sc_rnd_source); 626 #endif 627 ether_ifdetach(ifp); 628 if_detach(ifp); 629 630 for (i = 0; i < TULIP_NRXDESC; i++) { 631 rxs = &sc->sc_rxsoft[i]; 632 if (rxs->rxs_mbuf != NULL) { 633 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 634 m_freem(rxs->rxs_mbuf); 635 rxs->rxs_mbuf = NULL; 636 } 637 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 638 } 639 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 640 txs = &sc->sc_txsoft[i]; 641 if (txs->txs_mbuf != NULL) { 642 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 643 m_freem(txs->txs_mbuf); 644 txs->txs_mbuf = NULL; 645 } 646 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 647 } 648 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 649 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 650 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 651 sizeof(struct tulip_control_data)); 652 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 653 654 shutdownhook_disestablish(sc->sc_sdhook); 655 powerhook_disestablish(sc->sc_powerhook); 656 657 if (sc->sc_srom) 658 free(sc->sc_srom, M_DEVBUF); 659 660 return (0); 661 } 662 663 /* 664 * tlp_shutdown: 665 * 666 * Make sure the interface is stopped at reboot time. 667 */ 668 void 669 tlp_shutdown(arg) 670 void *arg; 671 { 672 struct tulip_softc *sc = arg; 673 674 tlp_stop(&sc->sc_ethercom.ec_if, 1); 675 } 676 677 /* 678 * tlp_start: [ifnet interface function] 679 * 680 * Start packet transmission on the interface. 681 */ 682 void 683 tlp_start(ifp) 684 struct ifnet *ifp; 685 { 686 struct tulip_softc *sc = ifp->if_softc; 687 struct mbuf *m0, *m; 688 struct tulip_txsoft *txs, *last_txs; 689 bus_dmamap_t dmamap; 690 int error, firsttx, nexttx, lasttx, ofree, seg; 691 692 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 693 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 694 695 /* 696 * If we want a filter setup, it means no more descriptors were 697 * available for the setup routine. Let it get a chance to wedge 698 * itself into the ring. 699 */ 700 if (sc->sc_flags & TULIPF_WANT_SETUP) 701 ifp->if_flags |= IFF_OACTIVE; 702 703 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 704 return; 705 706 if (sc->sc_tick == tlp_2114x_nway_tick && 707 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 708 return; 709 710 /* 711 * Remember the previous number of free descriptors and 712 * the first descriptor we'll use. 713 */ 714 ofree = sc->sc_txfree; 715 firsttx = sc->sc_txnext; 716 717 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 718 sc->sc_dev.dv_xname, ofree, firsttx)); 719 720 /* 721 * Loop through the send queue, setting up transmit descriptors 722 * until we drain the queue, or use up all available transmit 723 * descriptors. 724 */ 725 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 726 sc->sc_txfree != 0) { 727 /* 728 * Grab a packet off the queue. 729 */ 730 IFQ_POLL(&ifp->if_snd, m0); 731 if (m0 == NULL) 732 break; 733 m = NULL; 734 735 dmamap = txs->txs_dmamap; 736 737 /* 738 * Load the DMA map. If this fails, the packet either 739 * didn't fit in the alloted number of segments, or we were 740 * short on resources. In this case, we'll copy and try 741 * again. 742 * 743 * Note that if we're only allowed 1 Tx segment, we 744 * have an alignment restriction. Do this test before 745 * attempting to load the DMA map, because it's more 746 * likely we'll trip the alignment test than the 747 * more-than-one-segment test. 748 */ 749 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 750 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 751 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 752 MGETHDR(m, M_DONTWAIT, MT_DATA); 753 if (m == NULL) { 754 printf("%s: unable to allocate Tx mbuf\n", 755 sc->sc_dev.dv_xname); 756 break; 757 } 758 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 759 if (m0->m_pkthdr.len > MHLEN) { 760 MCLGET(m, M_DONTWAIT); 761 if ((m->m_flags & M_EXT) == 0) { 762 printf("%s: unable to allocate Tx " 763 "cluster\n", sc->sc_dev.dv_xname); 764 m_freem(m); 765 break; 766 } 767 } 768 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 769 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 770 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 771 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 772 if (error) { 773 printf("%s: unable to load Tx buffer, " 774 "error = %d\n", sc->sc_dev.dv_xname, error); 775 break; 776 } 777 } 778 779 /* 780 * Ensure we have enough descriptors free to describe 781 * the packet. 782 */ 783 if (dmamap->dm_nsegs > sc->sc_txfree) { 784 /* 785 * Not enough free descriptors to transmit this 786 * packet. We haven't committed to anything yet, 787 * so just unload the DMA map, put the packet 788 * back on the queue, and punt. Notify the upper 789 * layer that there are no more slots left. 790 * 791 * XXX We could allocate an mbuf and copy, but 792 * XXX it is worth it? 793 */ 794 ifp->if_flags |= IFF_OACTIVE; 795 bus_dmamap_unload(sc->sc_dmat, dmamap); 796 if (m != NULL) 797 m_freem(m); 798 break; 799 } 800 801 IFQ_DEQUEUE(&ifp->if_snd, m0); 802 if (m != NULL) { 803 m_freem(m0); 804 m0 = m; 805 } 806 807 /* 808 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 809 */ 810 811 /* Sync the DMA map. */ 812 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 813 BUS_DMASYNC_PREWRITE); 814 815 /* 816 * Initialize the transmit descriptors. 817 */ 818 for (nexttx = sc->sc_txnext, seg = 0; 819 seg < dmamap->dm_nsegs; 820 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 821 /* 822 * If this is the first descriptor we're 823 * enqueueing, don't set the OWN bit just 824 * yet. That could cause a race condition. 825 * We'll do it below. 826 */ 827 sc->sc_txdescs[nexttx].td_status = 828 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 829 sc->sc_txdescs[nexttx].td_bufaddr1 = 830 htole32(dmamap->dm_segs[seg].ds_addr); 831 sc->sc_txdescs[nexttx].td_ctl = 832 htole32((dmamap->dm_segs[seg].ds_len << 833 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 834 (nexttx == (TULIP_NTXDESC - 1) ? 835 sc->sc_tdctl_er : 0)); 836 lasttx = nexttx; 837 } 838 839 /* Set `first segment' and `last segment' appropriately. */ 840 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 841 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 842 843 #ifdef TLP_DEBUG 844 if (ifp->if_flags & IFF_DEBUG) { 845 printf(" txsoft %p transmit chain:\n", txs); 846 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 847 printf(" descriptor %d:\n", seg); 848 printf(" td_status: 0x%08x\n", 849 le32toh(sc->sc_txdescs[seg].td_status)); 850 printf(" td_ctl: 0x%08x\n", 851 le32toh(sc->sc_txdescs[seg].td_ctl)); 852 printf(" td_bufaddr1: 0x%08x\n", 853 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 854 printf(" td_bufaddr2: 0x%08x\n", 855 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 856 if (seg == lasttx) 857 break; 858 } 859 } 860 #endif 861 862 /* Sync the descriptors we're using. */ 863 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 864 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 865 866 /* 867 * Store a pointer to the packet so we can free it later, 868 * and remember what txdirty will be once the packet is 869 * done. 870 */ 871 txs->txs_mbuf = m0; 872 txs->txs_firstdesc = sc->sc_txnext; 873 txs->txs_lastdesc = lasttx; 874 txs->txs_ndescs = dmamap->dm_nsegs; 875 876 /* Advance the tx pointer. */ 877 sc->sc_txfree -= dmamap->dm_nsegs; 878 sc->sc_txnext = nexttx; 879 880 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 881 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 882 883 last_txs = txs; 884 885 #if NBPFILTER > 0 886 /* 887 * Pass the packet to any BPF listeners. 888 */ 889 if (ifp->if_bpf) 890 bpf_mtap(ifp->if_bpf, m0); 891 #endif /* NBPFILTER > 0 */ 892 } 893 894 if (txs == NULL || sc->sc_txfree == 0) { 895 /* No more slots left; notify upper layer. */ 896 ifp->if_flags |= IFF_OACTIVE; 897 } 898 899 if (sc->sc_txfree != ofree) { 900 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 901 sc->sc_dev.dv_xname, lasttx, firsttx)); 902 /* 903 * Cause a transmit interrupt to happen on the 904 * last packet we enqueued. 905 */ 906 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 907 TULIP_CDTXSYNC(sc, lasttx, 1, 908 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 909 910 /* 911 * Some clone chips want IC on the *first* segment in 912 * the packet. Appease them. 913 */ 914 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 915 last_txs->txs_firstdesc != lasttx) { 916 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 917 htole32(TDCTL_Tx_IC); 918 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 919 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 920 } 921 922 /* 923 * The entire packet chain is set up. Give the 924 * first descriptor to the chip now. 925 */ 926 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 927 TULIP_CDTXSYNC(sc, firsttx, 1, 928 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 929 930 /* Wake up the transmitter. */ 931 /* XXX USE AUTOPOLLING? */ 932 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 933 934 /* Set a watchdog timer in case the chip flakes out. */ 935 ifp->if_timer = 5; 936 } 937 } 938 939 /* 940 * tlp_watchdog: [ifnet interface function] 941 * 942 * Watchdog timer handler. 943 */ 944 void 945 tlp_watchdog(ifp) 946 struct ifnet *ifp; 947 { 948 struct tulip_softc *sc = ifp->if_softc; 949 int doing_setup, doing_transmit; 950 951 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 952 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 953 954 if (doing_setup && doing_transmit) { 955 printf("%s: filter setup and transmit timeout\n", 956 sc->sc_dev.dv_xname); 957 ifp->if_oerrors++; 958 } else if (doing_transmit) { 959 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 960 ifp->if_oerrors++; 961 } else if (doing_setup) 962 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 963 else 964 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 965 966 (void) tlp_init(ifp); 967 968 /* Try to get more packets going. */ 969 tlp_start(ifp); 970 } 971 972 /* 973 * tlp_ioctl: [ifnet interface function] 974 * 975 * Handle control requests from the operator. 976 */ 977 int 978 tlp_ioctl(ifp, cmd, data) 979 struct ifnet *ifp; 980 u_long cmd; 981 caddr_t data; 982 { 983 struct tulip_softc *sc = ifp->if_softc; 984 struct ifreq *ifr = (struct ifreq *)data; 985 int s, error; 986 987 s = splnet(); 988 989 switch (cmd) { 990 case SIOCSIFMEDIA: 991 case SIOCGIFMEDIA: 992 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 993 break; 994 995 default: 996 error = ether_ioctl(ifp, cmd, data); 997 if (error == ENETRESET) { 998 if (TULIP_IS_ENABLED(sc)) { 999 /* 1000 * Multicast list has changed. Set the 1001 * hardware filter accordingly. 1002 */ 1003 (*sc->sc_filter_setup)(sc); 1004 } 1005 error = 0; 1006 } 1007 break; 1008 } 1009 1010 /* Try to get more packets going. */ 1011 if (TULIP_IS_ENABLED(sc)) 1012 tlp_start(ifp); 1013 1014 splx(s); 1015 return (error); 1016 } 1017 1018 /* 1019 * tlp_intr: 1020 * 1021 * Interrupt service routine. 1022 */ 1023 int 1024 tlp_intr(arg) 1025 void *arg; 1026 { 1027 struct tulip_softc *sc = arg; 1028 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1029 u_int32_t status, rxstatus, txstatus; 1030 int handled = 0, txthresh; 1031 1032 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1033 1034 #ifdef DEBUG 1035 if (TULIP_IS_ENABLED(sc) == 0) 1036 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname); 1037 #endif 1038 1039 /* 1040 * If the interface isn't running, the interrupt couldn't 1041 * possibly have come from us. 1042 */ 1043 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1044 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1045 return (0); 1046 1047 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1048 switch (sc->sc_chip) { 1049 case TULIP_CHIP_DM9102: 1050 case TULIP_CHIP_DM9102A: 1051 TULIP_WRITE(sc, CSR_INTEN, 0); 1052 break; 1053 1054 default: 1055 /* Nothing. */ 1056 break; 1057 } 1058 1059 for (;;) { 1060 status = TULIP_READ(sc, CSR_STATUS); 1061 if (status) 1062 TULIP_WRITE(sc, CSR_STATUS, status); 1063 1064 if ((status & sc->sc_inten) == 0) 1065 break; 1066 1067 handled = 1; 1068 1069 rxstatus = status & sc->sc_rxint_mask; 1070 txstatus = status & sc->sc_txint_mask; 1071 1072 if (rxstatus) { 1073 /* Grab new any new packets. */ 1074 tlp_rxintr(sc); 1075 1076 if (rxstatus & STATUS_RWT) 1077 printf("%s: receive watchdog timeout\n", 1078 sc->sc_dev.dv_xname); 1079 1080 if (rxstatus & STATUS_RU) { 1081 printf("%s: receive ring overrun\n", 1082 sc->sc_dev.dv_xname); 1083 /* Get the receive process going again. */ 1084 if (sc->sc_tdctl_er != TDCTL_ER) { 1085 tlp_idle(sc, OPMODE_SR); 1086 TULIP_WRITE(sc, CSR_RXLIST, 1087 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1088 TULIP_WRITE(sc, CSR_OPMODE, 1089 sc->sc_opmode); 1090 } 1091 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1092 break; 1093 } 1094 } 1095 1096 if (txstatus) { 1097 /* Sweep up transmit descriptors. */ 1098 tlp_txintr(sc); 1099 1100 if (txstatus & STATUS_TJT) 1101 printf("%s: transmit jabber timeout\n", 1102 sc->sc_dev.dv_xname); 1103 1104 if (txstatus & STATUS_UNF) { 1105 /* 1106 * Increase our transmit threshold if 1107 * another is available. 1108 */ 1109 txthresh = sc->sc_txthresh + 1; 1110 if (sc->sc_txth[txthresh].txth_name != NULL) { 1111 /* Idle the transmit process. */ 1112 tlp_idle(sc, OPMODE_ST); 1113 1114 sc->sc_txthresh = txthresh; 1115 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1116 sc->sc_opmode |= 1117 sc->sc_txth[txthresh].txth_opmode; 1118 printf("%s: transmit underrun; new " 1119 "threshold: %s\n", 1120 sc->sc_dev.dv_xname, 1121 sc->sc_txth[txthresh].txth_name); 1122 1123 /* 1124 * Set the new threshold and restart 1125 * the transmit process. 1126 */ 1127 TULIP_WRITE(sc, CSR_OPMODE, 1128 sc->sc_opmode); 1129 } 1130 /* 1131 * XXX Log every Nth underrun from 1132 * XXX now on? 1133 */ 1134 } 1135 } 1136 1137 if (status & (STATUS_TPS|STATUS_RPS)) { 1138 if (status & STATUS_TPS) 1139 printf("%s: transmit process stopped\n", 1140 sc->sc_dev.dv_xname); 1141 if (status & STATUS_RPS) 1142 printf("%s: receive process stopped\n", 1143 sc->sc_dev.dv_xname); 1144 (void) tlp_init(ifp); 1145 break; 1146 } 1147 1148 if (status & STATUS_SE) { 1149 const char *str; 1150 switch (status & STATUS_EB) { 1151 case STATUS_EB_PARITY: 1152 str = "parity error"; 1153 break; 1154 1155 case STATUS_EB_MABT: 1156 str = "master abort"; 1157 break; 1158 1159 case STATUS_EB_TABT: 1160 str = "target abort"; 1161 break; 1162 1163 default: 1164 str = "unknown error"; 1165 break; 1166 } 1167 printf("%s: fatal system error: %s\n", 1168 sc->sc_dev.dv_xname, str); 1169 (void) tlp_init(ifp); 1170 break; 1171 } 1172 1173 /* 1174 * Not handled: 1175 * 1176 * Transmit buffer unavailable -- normal 1177 * condition, nothing to do, really. 1178 * 1179 * General purpose timer experied -- we don't 1180 * use the general purpose timer. 1181 * 1182 * Early receive interrupt -- not available on 1183 * all chips, we just use RI. We also only 1184 * use single-segment receive DMA, so this 1185 * is mostly useless. 1186 */ 1187 } 1188 1189 /* Bring interrupts back up on the DM9102. */ 1190 switch (sc->sc_chip) { 1191 case TULIP_CHIP_DM9102: 1192 case TULIP_CHIP_DM9102A: 1193 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1194 break; 1195 1196 default: 1197 /* Nothing. */ 1198 break; 1199 } 1200 1201 /* Try to get more packets going. */ 1202 tlp_start(ifp); 1203 1204 #if NRND > 0 1205 if (handled) 1206 rnd_add_uint32(&sc->sc_rnd_source, status); 1207 #endif 1208 return (handled); 1209 } 1210 1211 /* 1212 * tlp_rxintr: 1213 * 1214 * Helper; handle receive interrupts. 1215 */ 1216 void 1217 tlp_rxintr(sc) 1218 struct tulip_softc *sc; 1219 { 1220 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1221 struct ether_header *eh; 1222 struct tulip_rxsoft *rxs; 1223 struct mbuf *m; 1224 u_int32_t rxstat; 1225 int i, len; 1226 1227 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1228 rxs = &sc->sc_rxsoft[i]; 1229 1230 TULIP_CDRXSYNC(sc, i, 1231 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1232 1233 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1234 1235 if (rxstat & TDSTAT_OWN) { 1236 /* 1237 * We have processed all of the receive buffers. 1238 */ 1239 break; 1240 } 1241 1242 /* 1243 * Make sure the packet fit in one buffer. This should 1244 * always be the case. But the Lite-On PNIC, rev 33 1245 * has an awful receive engine bug, which may require 1246 * a very icky work-around. 1247 */ 1248 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1249 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1250 printf("%s: incoming packet spilled, resetting\n", 1251 sc->sc_dev.dv_xname); 1252 (void) tlp_init(ifp); 1253 return; 1254 } 1255 1256 /* 1257 * If any collisions were seen on the wire, count one. 1258 */ 1259 if (rxstat & TDSTAT_Rx_CS) 1260 ifp->if_collisions++; 1261 1262 /* 1263 * If an error occurred, update stats, clear the status 1264 * word, and leave the packet buffer in place. It will 1265 * simply be reused the next time the ring comes around. 1266 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1267 * error. 1268 */ 1269 if (rxstat & TDSTAT_ES && 1270 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1271 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1272 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1273 #define PRINTERR(bit, str) \ 1274 if (rxstat & (bit)) \ 1275 printf("%s: receive error: %s\n", \ 1276 sc->sc_dev.dv_xname, str) 1277 ifp->if_ierrors++; 1278 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1279 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1280 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1281 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1282 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1283 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1284 #undef PRINTERR 1285 TULIP_INIT_RXDESC(sc, i); 1286 continue; 1287 } 1288 1289 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1290 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1291 1292 /* 1293 * No errors; receive the packet. Note the Tulip 1294 * includes the CRC with every packet. 1295 */ 1296 len = TDSTAT_Rx_LENGTH(rxstat); 1297 1298 #ifdef __NO_STRICT_ALIGNMENT 1299 /* 1300 * Allocate a new mbuf cluster. If that fails, we are 1301 * out of memory, and must drop the packet and recycle 1302 * the buffer that's already attached to this descriptor. 1303 */ 1304 m = rxs->rxs_mbuf; 1305 if (tlp_add_rxbuf(sc, i) != 0) { 1306 ifp->if_ierrors++; 1307 TULIP_INIT_RXDESC(sc, i); 1308 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1309 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1310 continue; 1311 } 1312 #else 1313 /* 1314 * The Tulip's receive buffers must be 4-byte aligned. 1315 * But this means that the data after the Ethernet header 1316 * is misaligned. We must allocate a new buffer and 1317 * copy the data, shifted forward 2 bytes. 1318 */ 1319 MGETHDR(m, M_DONTWAIT, MT_DATA); 1320 if (m == NULL) { 1321 dropit: 1322 ifp->if_ierrors++; 1323 TULIP_INIT_RXDESC(sc, i); 1324 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1325 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1326 continue; 1327 } 1328 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1329 if (len > (MHLEN - 2)) { 1330 MCLGET(m, M_DONTWAIT); 1331 if ((m->m_flags & M_EXT) == 0) { 1332 m_freem(m); 1333 goto dropit; 1334 } 1335 } 1336 m->m_data += 2; 1337 1338 /* 1339 * Note that we use clusters for incoming frames, so the 1340 * buffer is virtually contiguous. 1341 */ 1342 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1343 1344 /* Allow the receive descriptor to continue using its mbuf. */ 1345 TULIP_INIT_RXDESC(sc, i); 1346 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1347 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1348 #endif /* __NO_STRICT_ALIGNMENT */ 1349 1350 ifp->if_ipackets++; 1351 eh = mtod(m, struct ether_header *); 1352 m->m_flags |= M_HASFCS; 1353 m->m_pkthdr.rcvif = ifp; 1354 m->m_pkthdr.len = m->m_len = len; 1355 1356 #if NBPFILTER > 0 1357 /* 1358 * Pass this up to any BPF listeners, but only 1359 * pass it up the stack if its for us. 1360 */ 1361 if (ifp->if_bpf) 1362 bpf_mtap(ifp->if_bpf, m); 1363 #endif /* NPBFILTER > 0 */ 1364 1365 /* 1366 * We sometimes have to run the 21140 in Hash-Only 1367 * mode. If we're in that mode, and not in promiscuous 1368 * mode, and we have a unicast packet that isn't for 1369 * us, then drop it. 1370 */ 1371 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1372 (ifp->if_flags & IFF_PROMISC) == 0 && 1373 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1374 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1375 ETHER_ADDR_LEN) != 0) { 1376 m_freem(m); 1377 continue; 1378 } 1379 1380 /* Pass it on. */ 1381 (*ifp->if_input)(ifp, m); 1382 } 1383 1384 /* Update the receive pointer. */ 1385 sc->sc_rxptr = i; 1386 } 1387 1388 /* 1389 * tlp_txintr: 1390 * 1391 * Helper; handle transmit interrupts. 1392 */ 1393 void 1394 tlp_txintr(sc) 1395 struct tulip_softc *sc; 1396 { 1397 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1398 struct tulip_txsoft *txs; 1399 u_int32_t txstat; 1400 1401 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1402 sc->sc_dev.dv_xname, sc->sc_flags)); 1403 1404 ifp->if_flags &= ~IFF_OACTIVE; 1405 1406 /* 1407 * Go through our Tx list and free mbufs for those 1408 * frames that have been transmitted. 1409 */ 1410 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1411 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1412 txs->txs_ndescs, 1413 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1414 1415 #ifdef TLP_DEBUG 1416 if (ifp->if_flags & IFF_DEBUG) { 1417 int i; 1418 printf(" txsoft %p transmit chain:\n", txs); 1419 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1420 printf(" descriptor %d:\n", i); 1421 printf(" td_status: 0x%08x\n", 1422 le32toh(sc->sc_txdescs[i].td_status)); 1423 printf(" td_ctl: 0x%08x\n", 1424 le32toh(sc->sc_txdescs[i].td_ctl)); 1425 printf(" td_bufaddr1: 0x%08x\n", 1426 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1427 printf(" td_bufaddr2: 0x%08x\n", 1428 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1429 if (i == txs->txs_lastdesc) 1430 break; 1431 } 1432 } 1433 #endif 1434 1435 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1436 if (txstat & TDSTAT_OWN) 1437 break; 1438 1439 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1440 1441 sc->sc_txfree += txs->txs_ndescs; 1442 1443 if (txs->txs_mbuf == NULL) { 1444 /* 1445 * If we didn't have an mbuf, it was the setup 1446 * packet. 1447 */ 1448 #ifdef DIAGNOSTIC 1449 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1450 panic("tlp_txintr: null mbuf, not doing setup"); 1451 #endif 1452 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1453 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1454 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1455 continue; 1456 } 1457 1458 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1459 0, txs->txs_dmamap->dm_mapsize, 1460 BUS_DMASYNC_POSTWRITE); 1461 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1462 m_freem(txs->txs_mbuf); 1463 txs->txs_mbuf = NULL; 1464 1465 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1466 1467 /* 1468 * Check for errors and collisions. 1469 */ 1470 #ifdef TLP_STATS 1471 if (txstat & TDSTAT_Tx_UF) 1472 sc->sc_stats.ts_tx_uf++; 1473 if (txstat & TDSTAT_Tx_TO) 1474 sc->sc_stats.ts_tx_to++; 1475 if (txstat & TDSTAT_Tx_EC) 1476 sc->sc_stats.ts_tx_ec++; 1477 if (txstat & TDSTAT_Tx_LC) 1478 sc->sc_stats.ts_tx_lc++; 1479 #endif 1480 1481 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1482 ifp->if_oerrors++; 1483 1484 if (txstat & TDSTAT_Tx_EC) 1485 ifp->if_collisions += 16; 1486 else 1487 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1488 if (txstat & TDSTAT_Tx_LC) 1489 ifp->if_collisions++; 1490 1491 ifp->if_opackets++; 1492 } 1493 1494 /* 1495 * If there are no more pending transmissions, cancel the watchdog 1496 * timer. 1497 */ 1498 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1499 ifp->if_timer = 0; 1500 1501 /* 1502 * If we have a receive filter setup pending, do it now. 1503 */ 1504 if (sc->sc_flags & TULIPF_WANT_SETUP) 1505 (*sc->sc_filter_setup)(sc); 1506 } 1507 1508 #ifdef TLP_STATS 1509 void 1510 tlp_print_stats(sc) 1511 struct tulip_softc *sc; 1512 { 1513 1514 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1515 sc->sc_dev.dv_xname, 1516 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1517 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1518 } 1519 #endif 1520 1521 /* 1522 * tlp_reset: 1523 * 1524 * Perform a soft reset on the Tulip. 1525 */ 1526 void 1527 tlp_reset(sc) 1528 struct tulip_softc *sc; 1529 { 1530 int i; 1531 1532 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1533 1534 /* 1535 * Xircom clone doesn't bring itself out of reset automatically. 1536 * Instead, we have to wait at least 50 PCI cycles, and then 1537 * clear SWR. 1538 */ 1539 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1540 delay(10); 1541 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1542 } 1543 1544 for (i = 0; i < 1000; i++) { 1545 /* 1546 * Wait at least 50 PCI cycles for the reset to 1547 * complete before peeking at the Tulip again. 1548 * 10 uSec is a bit longer than 50 PCI cycles 1549 * (at 33MHz), but it doesn't hurt have the extra 1550 * wait. 1551 */ 1552 delay(10); 1553 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1554 break; 1555 } 1556 1557 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1558 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1559 1560 delay(1000); 1561 1562 /* 1563 * If the board has any GPIO reset sequences to issue, do them now. 1564 */ 1565 if (sc->sc_reset != NULL) 1566 (*sc->sc_reset)(sc); 1567 } 1568 1569 /* 1570 * tlp_init: [ ifnet interface function ] 1571 * 1572 * Initialize the interface. Must be called at splnet(). 1573 */ 1574 int 1575 tlp_init(ifp) 1576 struct ifnet *ifp; 1577 { 1578 struct tulip_softc *sc = ifp->if_softc; 1579 struct tulip_txsoft *txs; 1580 struct tulip_rxsoft *rxs; 1581 int i, error = 0; 1582 1583 if ((error = tlp_enable(sc)) != 0) 1584 goto out; 1585 1586 /* 1587 * Cancel any pending I/O. 1588 */ 1589 tlp_stop(ifp, 0); 1590 1591 /* 1592 * Initialize `opmode' to 0, and call the pre-init routine, if 1593 * any. This is required because the 2114x and some of the 1594 * clones require that the media-related bits in `opmode' be 1595 * set before performing a soft-reset in order to get internal 1596 * chip pathways are correct. Yay! 1597 */ 1598 sc->sc_opmode = 0; 1599 if (sc->sc_preinit != NULL) 1600 (*sc->sc_preinit)(sc); 1601 1602 /* 1603 * Reset the Tulip to a known state. 1604 */ 1605 tlp_reset(sc); 1606 1607 /* 1608 * Initialize the BUSMODE register. 1609 */ 1610 sc->sc_busmode = BUSMODE_BAR; 1611 switch (sc->sc_chip) { 1612 case TULIP_CHIP_21140: 1613 case TULIP_CHIP_21140A: 1614 case TULIP_CHIP_21142: 1615 case TULIP_CHIP_21143: 1616 case TULIP_CHIP_82C115: 1617 case TULIP_CHIP_MX98725: 1618 /* 1619 * If we're allowed to do so, use Memory Read Line 1620 * and Memory Read Multiple. 1621 * 1622 * XXX Should we use Memory Write and Invalidate? 1623 */ 1624 if (sc->sc_flags & TULIPF_MRL) 1625 sc->sc_busmode |= BUSMODE_RLE; 1626 if (sc->sc_flags & TULIPF_MRM) 1627 sc->sc_busmode |= BUSMODE_RME; 1628 #if 0 1629 if (sc->sc_flags & TULIPF_MWI) 1630 sc->sc_busmode |= BUSMODE_WLE; 1631 #endif 1632 break; 1633 1634 case TULIP_CHIP_82C168: 1635 case TULIP_CHIP_82C169: 1636 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1637 if (sc->sc_maxburst == 0) 1638 sc->sc_maxburst = 16; 1639 break; 1640 1641 default: 1642 /* Nothing. */ 1643 break; 1644 } 1645 switch (sc->sc_cacheline) { 1646 default: 1647 /* 1648 * Note: We must *always* set these bits; a cache 1649 * alignment of 0 is RESERVED. 1650 */ 1651 case 8: 1652 sc->sc_busmode |= BUSMODE_CAL_8LW; 1653 break; 1654 case 16: 1655 sc->sc_busmode |= BUSMODE_CAL_16LW; 1656 break; 1657 case 32: 1658 sc->sc_busmode |= BUSMODE_CAL_32LW; 1659 break; 1660 } 1661 switch (sc->sc_maxburst) { 1662 case 1: 1663 sc->sc_busmode |= BUSMODE_PBL_1LW; 1664 break; 1665 case 2: 1666 sc->sc_busmode |= BUSMODE_PBL_2LW; 1667 break; 1668 case 4: 1669 sc->sc_busmode |= BUSMODE_PBL_4LW; 1670 break; 1671 case 8: 1672 sc->sc_busmode |= BUSMODE_PBL_8LW; 1673 break; 1674 case 16: 1675 sc->sc_busmode |= BUSMODE_PBL_16LW; 1676 break; 1677 case 32: 1678 sc->sc_busmode |= BUSMODE_PBL_32LW; 1679 break; 1680 default: 1681 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1682 break; 1683 } 1684 #if BYTE_ORDER == BIG_ENDIAN 1685 /* 1686 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1687 * support them, and even on ones that do, it doesn't 1688 * always work. So we always access descriptors with 1689 * little endian via htole32/le32toh. 1690 */ 1691 #endif 1692 /* 1693 * Big-endian bus requires BUSMODE_BLE anyway. 1694 * Also, BUSMODE_DBO is needed because we assume 1695 * descriptors are little endian. 1696 */ 1697 if (sc->sc_flags & TULIPF_BLE) 1698 sc->sc_busmode |= BUSMODE_BLE; 1699 if (sc->sc_flags & TULIPF_DBO) 1700 sc->sc_busmode |= BUSMODE_DBO; 1701 1702 /* 1703 * Some chips have a broken bus interface. 1704 */ 1705 switch (sc->sc_chip) { 1706 case TULIP_CHIP_DM9102: 1707 case TULIP_CHIP_DM9102A: 1708 sc->sc_busmode = 0; 1709 break; 1710 1711 default: 1712 /* Nothing. */ 1713 break; 1714 } 1715 1716 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1717 1718 /* 1719 * Initialize the OPMODE register. We don't write it until 1720 * we're ready to begin the transmit and receive processes. 1721 * 1722 * Media-related OPMODE bits are set in the media callbacks 1723 * for each specific chip/board. 1724 */ 1725 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1726 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1727 1728 /* 1729 * Magical mystery initialization on the Macronix chips. 1730 * The MX98713 uses its own magic value, the rest share 1731 * a common one. 1732 */ 1733 switch (sc->sc_chip) { 1734 case TULIP_CHIP_MX98713: 1735 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1736 break; 1737 1738 case TULIP_CHIP_MX98713A: 1739 case TULIP_CHIP_MX98715: 1740 case TULIP_CHIP_MX98715A: 1741 case TULIP_CHIP_MX98715AEC_X: 1742 case TULIP_CHIP_MX98725: 1743 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1744 break; 1745 1746 default: 1747 /* Nothing. */ 1748 break; 1749 } 1750 1751 /* 1752 * Initialize the transmit descriptor ring. 1753 */ 1754 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1755 for (i = 0; i < TULIP_NTXDESC; i++) { 1756 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1757 sc->sc_txdescs[i].td_bufaddr2 = 1758 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1759 } 1760 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1761 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1762 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1763 sc->sc_txfree = TULIP_NTXDESC; 1764 sc->sc_txnext = 0; 1765 1766 /* 1767 * Initialize the transmit job descriptors. 1768 */ 1769 SIMPLEQ_INIT(&sc->sc_txfreeq); 1770 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1771 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1772 txs = &sc->sc_txsoft[i]; 1773 txs->txs_mbuf = NULL; 1774 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1775 } 1776 1777 /* 1778 * Initialize the receive descriptor and receive job 1779 * descriptor rings. 1780 */ 1781 for (i = 0; i < TULIP_NRXDESC; i++) { 1782 rxs = &sc->sc_rxsoft[i]; 1783 if (rxs->rxs_mbuf == NULL) { 1784 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1785 printf("%s: unable to allocate or map rx " 1786 "buffer %d, error = %d\n", 1787 sc->sc_dev.dv_xname, i, error); 1788 /* 1789 * XXX Should attempt to run with fewer receive 1790 * XXX buffers instead of just failing. 1791 */ 1792 tlp_rxdrain(sc); 1793 goto out; 1794 } 1795 } else 1796 TULIP_INIT_RXDESC(sc, i); 1797 } 1798 sc->sc_rxptr = 0; 1799 1800 /* 1801 * Initialize the interrupt mask and enable interrupts. 1802 */ 1803 /* normal interrupts */ 1804 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1805 1806 /* abnormal interrupts */ 1807 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1808 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1809 1810 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1811 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1812 1813 switch (sc->sc_chip) { 1814 case TULIP_CHIP_WB89C840F: 1815 /* 1816 * Clear bits that we don't want that happen to 1817 * overlap or don't exist. 1818 */ 1819 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1820 break; 1821 1822 default: 1823 /* Nothing. */ 1824 break; 1825 } 1826 1827 sc->sc_rxint_mask &= sc->sc_inten; 1828 sc->sc_txint_mask &= sc->sc_inten; 1829 1830 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1831 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1832 1833 /* 1834 * Give the transmit and receive rings to the Tulip. 1835 */ 1836 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1837 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1838 1839 /* 1840 * On chips that do this differently, set the station address. 1841 */ 1842 switch (sc->sc_chip) { 1843 case TULIP_CHIP_WB89C840F: 1844 { 1845 /* XXX Do this with stream writes? */ 1846 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1847 1848 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1849 bus_space_write_1(sc->sc_st, sc->sc_sh, 1850 cpa + i, LLADDR(ifp->if_sadl)[i]); 1851 } 1852 break; 1853 } 1854 1855 case TULIP_CHIP_AL981: 1856 case TULIP_CHIP_AN983: 1857 case TULIP_CHIP_AN985: 1858 { 1859 u_int32_t reg; 1860 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1861 1862 reg = enaddr[0] | 1863 (enaddr[1] << 8) | 1864 (enaddr[2] << 16) | 1865 (enaddr[3] << 24); 1866 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1867 1868 reg = enaddr[4] | 1869 (enaddr[5] << 8); 1870 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1871 } 1872 1873 default: 1874 /* Nothing. */ 1875 break; 1876 } 1877 1878 /* 1879 * Set the receive filter. This will start the transmit and 1880 * receive processes. 1881 */ 1882 (*sc->sc_filter_setup)(sc); 1883 1884 /* 1885 * Set the current media. 1886 */ 1887 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1888 1889 /* 1890 * Start the receive process. 1891 */ 1892 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1893 1894 if (sc->sc_tick != NULL) { 1895 /* Start the one second clock. */ 1896 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1897 } 1898 1899 /* 1900 * Note that the interface is now running. 1901 */ 1902 ifp->if_flags |= IFF_RUNNING; 1903 ifp->if_flags &= ~IFF_OACTIVE; 1904 1905 out: 1906 if (error) { 1907 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1908 ifp->if_timer = 0; 1909 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1910 } 1911 return (error); 1912 } 1913 1914 /* 1915 * tlp_enable: 1916 * 1917 * Enable the Tulip chip. 1918 */ 1919 int 1920 tlp_enable(sc) 1921 struct tulip_softc *sc; 1922 { 1923 1924 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1925 if ((*sc->sc_enable)(sc) != 0) { 1926 printf("%s: device enable failed\n", 1927 sc->sc_dev.dv_xname); 1928 return (EIO); 1929 } 1930 sc->sc_flags |= TULIPF_ENABLED; 1931 } 1932 return (0); 1933 } 1934 1935 /* 1936 * tlp_disable: 1937 * 1938 * Disable the Tulip chip. 1939 */ 1940 void 1941 tlp_disable(sc) 1942 struct tulip_softc *sc; 1943 { 1944 1945 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1946 (*sc->sc_disable)(sc); 1947 sc->sc_flags &= ~TULIPF_ENABLED; 1948 } 1949 } 1950 1951 /* 1952 * tlp_power: 1953 * 1954 * Power management (suspend/resume) hook. 1955 */ 1956 void 1957 tlp_power(why, arg) 1958 int why; 1959 void *arg; 1960 { 1961 struct tulip_softc *sc = arg; 1962 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1963 int s; 1964 1965 s = splnet(); 1966 switch (why) { 1967 case PWR_STANDBY: 1968 /* do nothing! */ 1969 break; 1970 case PWR_SUSPEND: 1971 tlp_stop(ifp, 0); 1972 if (sc->sc_power != NULL) 1973 (*sc->sc_power)(sc, why); 1974 break; 1975 case PWR_RESUME: 1976 if (ifp->if_flags & IFF_UP) { 1977 if (sc->sc_power != NULL) 1978 (*sc->sc_power)(sc, why); 1979 tlp_init(ifp); 1980 } 1981 break; 1982 case PWR_SOFTSUSPEND: 1983 case PWR_SOFTSTANDBY: 1984 case PWR_SOFTRESUME: 1985 break; 1986 } 1987 splx(s); 1988 } 1989 1990 /* 1991 * tlp_rxdrain: 1992 * 1993 * Drain the receive queue. 1994 */ 1995 void 1996 tlp_rxdrain(sc) 1997 struct tulip_softc *sc; 1998 { 1999 struct tulip_rxsoft *rxs; 2000 int i; 2001 2002 for (i = 0; i < TULIP_NRXDESC; i++) { 2003 rxs = &sc->sc_rxsoft[i]; 2004 if (rxs->rxs_mbuf != NULL) { 2005 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2006 m_freem(rxs->rxs_mbuf); 2007 rxs->rxs_mbuf = NULL; 2008 } 2009 } 2010 } 2011 2012 /* 2013 * tlp_stop: [ ifnet interface function ] 2014 * 2015 * Stop transmission on the interface. 2016 */ 2017 void 2018 tlp_stop(ifp, disable) 2019 struct ifnet *ifp; 2020 int disable; 2021 { 2022 struct tulip_softc *sc = ifp->if_softc; 2023 struct tulip_txsoft *txs; 2024 2025 if (sc->sc_tick != NULL) { 2026 /* Stop the one second clock. */ 2027 callout_stop(&sc->sc_tick_callout); 2028 } 2029 2030 if (sc->sc_flags & TULIPF_HAS_MII) { 2031 /* Down the MII. */ 2032 mii_down(&sc->sc_mii); 2033 } 2034 2035 /* Disable interrupts. */ 2036 TULIP_WRITE(sc, CSR_INTEN, 0); 2037 2038 /* Stop the transmit and receive processes. */ 2039 sc->sc_opmode = 0; 2040 TULIP_WRITE(sc, CSR_OPMODE, 0); 2041 TULIP_WRITE(sc, CSR_RXLIST, 0); 2042 TULIP_WRITE(sc, CSR_TXLIST, 0); 2043 2044 /* 2045 * Release any queued transmit buffers. 2046 */ 2047 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2048 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2049 if (txs->txs_mbuf != NULL) { 2050 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2051 m_freem(txs->txs_mbuf); 2052 txs->txs_mbuf = NULL; 2053 } 2054 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2055 } 2056 2057 if (disable) { 2058 tlp_rxdrain(sc); 2059 tlp_disable(sc); 2060 } 2061 2062 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2063 2064 /* 2065 * Mark the interface down and cancel the watchdog timer. 2066 */ 2067 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2068 ifp->if_timer = 0; 2069 2070 /* 2071 * Reset the chip (needed on some flavors to actually disable it). 2072 */ 2073 tlp_reset(sc); 2074 } 2075 2076 #define SROM_EMIT(sc, x) \ 2077 do { \ 2078 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2079 delay(2); \ 2080 } while (0) 2081 2082 /* 2083 * tlp_srom_idle: 2084 * 2085 * Put the SROM in idle state. 2086 */ 2087 void 2088 tlp_srom_idle(sc) 2089 struct tulip_softc *sc; 2090 { 2091 u_int32_t miirom; 2092 int i; 2093 2094 miirom = MIIROM_SR; 2095 SROM_EMIT(sc, miirom); 2096 2097 miirom |= MIIROM_RD; 2098 SROM_EMIT(sc, miirom); 2099 2100 miirom |= MIIROM_SROMCS; 2101 SROM_EMIT(sc, miirom); 2102 2103 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2104 2105 /* Strobe the clock 32 times. */ 2106 for (i = 0; i < 32; i++) { 2107 SROM_EMIT(sc, miirom); 2108 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2109 } 2110 2111 SROM_EMIT(sc, miirom); 2112 2113 miirom &= ~MIIROM_SROMCS; 2114 SROM_EMIT(sc, miirom); 2115 2116 SROM_EMIT(sc, 0); 2117 } 2118 2119 /* 2120 * tlp_srom_size: 2121 * 2122 * Determine the number of address bits in the SROM. 2123 */ 2124 int 2125 tlp_srom_size(sc) 2126 struct tulip_softc *sc; 2127 { 2128 u_int32_t miirom; 2129 int x; 2130 2131 /* Select the SROM. */ 2132 miirom = MIIROM_SR; 2133 SROM_EMIT(sc, miirom); 2134 2135 miirom |= MIIROM_RD; 2136 SROM_EMIT(sc, miirom); 2137 2138 /* Send CHIP SELECT for one clock tick. */ 2139 miirom |= MIIROM_SROMCS; 2140 SROM_EMIT(sc, miirom); 2141 2142 /* Shift in the READ opcode. */ 2143 for (x = 3; x > 0; x--) { 2144 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2145 miirom |= MIIROM_SROMDI; 2146 else 2147 miirom &= ~MIIROM_SROMDI; 2148 SROM_EMIT(sc, miirom); 2149 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2150 SROM_EMIT(sc, miirom); 2151 } 2152 2153 /* Shift in address and look for dummy 0 bit. */ 2154 for (x = 1; x <= 12; x++) { 2155 miirom &= ~MIIROM_SROMDI; 2156 SROM_EMIT(sc, miirom); 2157 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2158 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2159 break; 2160 SROM_EMIT(sc, miirom); 2161 } 2162 2163 /* Clear CHIP SELECT. */ 2164 miirom &= ~MIIROM_SROMCS; 2165 SROM_EMIT(sc, miirom); 2166 2167 /* Deselect the SROM. */ 2168 SROM_EMIT(sc, 0); 2169 2170 if (x < 4 || x > 12) { 2171 printf("%s: broken MicroWire interface detected; " 2172 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2173 return (6); 2174 } else { 2175 if (tlp_srom_debug) 2176 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2177 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2178 return (x); 2179 } 2180 } 2181 2182 /* 2183 * tlp_read_srom: 2184 * 2185 * Read the Tulip SROM. 2186 */ 2187 int 2188 tlp_read_srom(sc) 2189 struct tulip_softc *sc; 2190 { 2191 int size; 2192 u_int32_t miirom; 2193 u_int16_t datain; 2194 int i, x; 2195 2196 tlp_srom_idle(sc); 2197 2198 sc->sc_srom_addrbits = tlp_srom_size(sc); 2199 if (sc->sc_srom_addrbits == 0) 2200 return (0); 2201 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2202 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2203 2204 /* Select the SROM. */ 2205 miirom = MIIROM_SR; 2206 SROM_EMIT(sc, miirom); 2207 2208 miirom |= MIIROM_RD; 2209 SROM_EMIT(sc, miirom); 2210 2211 for (i = 0; i < size; i += 2) { 2212 /* Send CHIP SELECT for one clock tick. */ 2213 miirom |= MIIROM_SROMCS; 2214 SROM_EMIT(sc, miirom); 2215 2216 /* Shift in the READ opcode. */ 2217 for (x = 3; x > 0; x--) { 2218 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2219 miirom |= MIIROM_SROMDI; 2220 else 2221 miirom &= ~MIIROM_SROMDI; 2222 SROM_EMIT(sc, miirom); 2223 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2224 SROM_EMIT(sc, miirom); 2225 } 2226 2227 /* Shift in address. */ 2228 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2229 if (i & (1 << x)) 2230 miirom |= MIIROM_SROMDI; 2231 else 2232 miirom &= ~MIIROM_SROMDI; 2233 SROM_EMIT(sc, miirom); 2234 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2235 SROM_EMIT(sc, miirom); 2236 } 2237 2238 /* Shift out data. */ 2239 miirom &= ~MIIROM_SROMDI; 2240 datain = 0; 2241 for (x = 16; x > 0; x--) { 2242 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2243 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2244 datain |= (1 << (x - 1)); 2245 SROM_EMIT(sc, miirom); 2246 } 2247 sc->sc_srom[i] = datain & 0xff; 2248 sc->sc_srom[i + 1] = datain >> 8; 2249 2250 /* Clear CHIP SELECT. */ 2251 miirom &= ~MIIROM_SROMCS; 2252 SROM_EMIT(sc, miirom); 2253 } 2254 2255 /* Deselect the SROM. */ 2256 SROM_EMIT(sc, 0); 2257 2258 /* ...and idle it. */ 2259 tlp_srom_idle(sc); 2260 2261 if (tlp_srom_debug) { 2262 printf("SROM CONTENTS:"); 2263 for (i = 0; i < size; i++) { 2264 if ((i % 8) == 0) 2265 printf("\n\t"); 2266 printf("0x%02x ", sc->sc_srom[i]); 2267 } 2268 printf("\n"); 2269 } 2270 2271 return (1); 2272 } 2273 2274 #undef SROM_EMIT 2275 2276 /* 2277 * tlp_add_rxbuf: 2278 * 2279 * Add a receive buffer to the indicated descriptor. 2280 */ 2281 int 2282 tlp_add_rxbuf(sc, idx) 2283 struct tulip_softc *sc; 2284 int idx; 2285 { 2286 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2287 struct mbuf *m; 2288 int error; 2289 2290 MGETHDR(m, M_DONTWAIT, MT_DATA); 2291 if (m == NULL) 2292 return (ENOBUFS); 2293 2294 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2295 MCLGET(m, M_DONTWAIT); 2296 if ((m->m_flags & M_EXT) == 0) { 2297 m_freem(m); 2298 return (ENOBUFS); 2299 } 2300 2301 if (rxs->rxs_mbuf != NULL) 2302 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2303 2304 rxs->rxs_mbuf = m; 2305 2306 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2307 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2308 BUS_DMA_READ|BUS_DMA_NOWAIT); 2309 if (error) { 2310 printf("%s: can't load rx DMA map %d, error = %d\n", 2311 sc->sc_dev.dv_xname, idx, error); 2312 panic("tlp_add_rxbuf"); /* XXX */ 2313 } 2314 2315 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2316 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2317 2318 TULIP_INIT_RXDESC(sc, idx); 2319 2320 return (0); 2321 } 2322 2323 /* 2324 * tlp_srom_crcok: 2325 * 2326 * Check the CRC of the Tulip SROM. 2327 */ 2328 int 2329 tlp_srom_crcok(romdata) 2330 const u_int8_t *romdata; 2331 { 2332 u_int32_t crc; 2333 2334 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2335 crc = (crc & 0xffff) ^ 0xffff; 2336 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2337 return (1); 2338 2339 /* 2340 * Try an alternate checksum. 2341 */ 2342 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2343 crc = (crc & 0xffff) ^ 0xffff; 2344 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2345 return (1); 2346 2347 return (0); 2348 } 2349 2350 /* 2351 * tlp_isv_srom: 2352 * 2353 * Check to see if the SROM is in the new standardized format. 2354 */ 2355 int 2356 tlp_isv_srom(romdata) 2357 const u_int8_t *romdata; 2358 { 2359 int i; 2360 u_int16_t cksum; 2361 2362 if (tlp_srom_crcok(romdata)) { 2363 /* 2364 * SROM CRC checks out; must be in the new format. 2365 */ 2366 return (1); 2367 } 2368 2369 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2370 if (cksum == 0xffff || cksum == 0) { 2371 /* 2372 * No checksum present. Check the SROM ID; 18 bytes of 0 2373 * followed by 1 (version) followed by the number of 2374 * adapters which use this SROM (should be non-zero). 2375 */ 2376 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2377 if (romdata[i] != 0) 2378 return (0); 2379 } 2380 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2381 return (0); 2382 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2383 return (0); 2384 return (1); 2385 } 2386 2387 return (0); 2388 } 2389 2390 /* 2391 * tlp_isv_srom_enaddr: 2392 * 2393 * Get the Ethernet address from an ISV SROM. 2394 */ 2395 int 2396 tlp_isv_srom_enaddr(sc, enaddr) 2397 struct tulip_softc *sc; 2398 u_int8_t *enaddr; 2399 { 2400 int i, devcnt; 2401 2402 if (tlp_isv_srom(sc->sc_srom) == 0) 2403 return (0); 2404 2405 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2406 for (i = 0; i < devcnt; i++) { 2407 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2408 break; 2409 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2410 sc->sc_devno) 2411 break; 2412 } 2413 2414 if (i == devcnt) 2415 return (0); 2416 2417 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2418 ETHER_ADDR_LEN); 2419 enaddr[5] += i; 2420 2421 return (1); 2422 } 2423 2424 /* 2425 * tlp_parse_old_srom: 2426 * 2427 * Parse old-format SROMs. 2428 * 2429 * This routine is largely lifted from Matt Thomas's `de' driver. 2430 */ 2431 int 2432 tlp_parse_old_srom(sc, enaddr) 2433 struct tulip_softc *sc; 2434 u_int8_t *enaddr; 2435 { 2436 static const u_int8_t testpat[] = 2437 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2438 int i; 2439 u_int32_t cksum; 2440 2441 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2442 /* 2443 * Some vendors (e.g. ZNYX) don't use the standard 2444 * DEC Address ROM format, but rather just have an 2445 * Ethernet address in the first 6 bytes, maybe a 2446 * 2 byte checksum, and then all 0xff's. 2447 * 2448 * On the other hand, Cobalt Networks interfaces 2449 * simply have the address in the first six bytes 2450 * with the rest zeroed out. 2451 */ 2452 for (i = 8; i < 32; i++) { 2453 if (sc->sc_srom[i] != 0xff && 2454 sc->sc_srom[i] != 0) 2455 return (0); 2456 } 2457 2458 /* 2459 * Sanity check the Ethernet address: 2460 * 2461 * - Make sure it's not multicast or locally 2462 * assigned 2463 * - Make sure it has a non-0 OUI 2464 */ 2465 if (sc->sc_srom[0] & 3) 2466 return (0); 2467 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2468 sc->sc_srom[2] == 0) 2469 return (0); 2470 2471 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2472 return (1); 2473 } 2474 2475 /* 2476 * Standard DEC Address ROM test. 2477 */ 2478 2479 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2480 return (0); 2481 2482 for (i = 0; i < 8; i++) { 2483 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2484 return (0); 2485 } 2486 2487 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2488 2489 cksum = *(u_int16_t *) &enaddr[0]; 2490 2491 cksum <<= 1; 2492 if (cksum > 0xffff) 2493 cksum -= 0xffff; 2494 2495 cksum += *(u_int16_t *) &enaddr[2]; 2496 if (cksum > 0xffff) 2497 cksum -= 0xffff; 2498 2499 cksum <<= 1; 2500 if (cksum > 0xffff) 2501 cksum -= 0xffff; 2502 2503 cksum += *(u_int16_t *) &enaddr[4]; 2504 if (cksum >= 0xffff) 2505 cksum -= 0xffff; 2506 2507 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2508 return (0); 2509 2510 return (1); 2511 } 2512 2513 /* 2514 * tlp_filter_setup: 2515 * 2516 * Set the Tulip's receive filter. 2517 */ 2518 void 2519 tlp_filter_setup(sc) 2520 struct tulip_softc *sc; 2521 { 2522 struct ethercom *ec = &sc->sc_ethercom; 2523 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2524 struct ether_multi *enm; 2525 struct ether_multistep step; 2526 __volatile u_int32_t *sp; 2527 struct tulip_txsoft *txs; 2528 u_int8_t enaddr[ETHER_ADDR_LEN]; 2529 u_int32_t hash, hashsize; 2530 int cnt; 2531 2532 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2533 sc->sc_dev.dv_xname, sc->sc_flags)); 2534 2535 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2536 2537 /* 2538 * If there are transmissions pending, wait until they have 2539 * completed. 2540 */ 2541 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2542 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2543 sc->sc_flags |= TULIPF_WANT_SETUP; 2544 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2545 sc->sc_dev.dv_xname)); 2546 return; 2547 } 2548 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2549 2550 switch (sc->sc_chip) { 2551 case TULIP_CHIP_82C115: 2552 hashsize = TULIP_PNICII_HASHSIZE; 2553 break; 2554 2555 default: 2556 hashsize = TULIP_MCHASHSIZE; 2557 } 2558 2559 /* 2560 * If we're running, idle the transmit and receive engines. If 2561 * we're NOT running, we're being called from tlp_init(), and our 2562 * writing OPMODE will start the transmit and receive processes 2563 * in motion. 2564 */ 2565 if (ifp->if_flags & IFF_RUNNING) 2566 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2567 2568 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2569 2570 if (ifp->if_flags & IFF_PROMISC) { 2571 sc->sc_opmode |= OPMODE_PR; 2572 goto allmulti; 2573 } 2574 2575 /* 2576 * Try Perfect filtering first. 2577 */ 2578 2579 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2580 sp = TULIP_CDSP(sc); 2581 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2582 cnt = 0; 2583 ETHER_FIRST_MULTI(step, ec, enm); 2584 while (enm != NULL) { 2585 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2586 /* 2587 * We must listen to a range of multicast addresses. 2588 * For now, just accept all multicasts, rather than 2589 * trying to set only those filter bits needed to match 2590 * the range. (At this time, the only use of address 2591 * ranges is for IP multicast routing, for which the 2592 * range is big enough to require all bits set.) 2593 */ 2594 goto allmulti; 2595 } 2596 if (cnt == (TULIP_MAXADDRS - 2)) { 2597 /* 2598 * We already have our multicast limit (still need 2599 * our station address and broadcast). Go to 2600 * Hash-Perfect mode. 2601 */ 2602 goto hashperfect; 2603 } 2604 cnt++; 2605 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2606 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2607 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2608 ETHER_NEXT_MULTI(step, enm); 2609 } 2610 2611 if (ifp->if_flags & IFF_BROADCAST) { 2612 /* ...and the broadcast address. */ 2613 cnt++; 2614 *sp++ = TULIP_SP_FIELD_C(0xffff); 2615 *sp++ = TULIP_SP_FIELD_C(0xffff); 2616 *sp++ = TULIP_SP_FIELD_C(0xffff); 2617 } 2618 2619 /* Pad the rest with our station address. */ 2620 for (; cnt < TULIP_MAXADDRS; cnt++) { 2621 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2622 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2623 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2624 } 2625 ifp->if_flags &= ~IFF_ALLMULTI; 2626 goto setit; 2627 2628 hashperfect: 2629 /* 2630 * Try Hash-Perfect mode. 2631 */ 2632 2633 /* 2634 * Some 21140 chips have broken Hash-Perfect modes. On these 2635 * chips, we simply use Hash-Only mode, and put our station 2636 * address into the filter. 2637 */ 2638 if (sc->sc_chip == TULIP_CHIP_21140) 2639 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2640 else 2641 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2642 sp = TULIP_CDSP(sc); 2643 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2644 ETHER_FIRST_MULTI(step, ec, enm); 2645 while (enm != NULL) { 2646 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2647 /* 2648 * We must listen to a range of multicast addresses. 2649 * For now, just accept all multicasts, rather than 2650 * trying to set only those filter bits needed to match 2651 * the range. (At this time, the only use of address 2652 * ranges is for IP multicast routing, for which the 2653 * range is big enough to require all bits set.) 2654 */ 2655 goto allmulti; 2656 } 2657 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2658 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2659 ETHER_NEXT_MULTI(step, enm); 2660 } 2661 2662 if (ifp->if_flags & IFF_BROADCAST) { 2663 /* ...and the broadcast address. */ 2664 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2665 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2666 } 2667 2668 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2669 /* ...and our station address. */ 2670 hash = tlp_mchash(enaddr, hashsize); 2671 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2672 } else { 2673 /* 2674 * Hash-Perfect mode; put our station address after 2675 * the hash table. 2676 */ 2677 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2678 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2679 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2680 } 2681 ifp->if_flags &= ~IFF_ALLMULTI; 2682 goto setit; 2683 2684 allmulti: 2685 /* 2686 * Use Perfect filter mode. First address is the broadcast address, 2687 * and pad the rest with our station address. We'll set Pass-all- 2688 * multicast in OPMODE below. 2689 */ 2690 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2691 sp = TULIP_CDSP(sc); 2692 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2693 cnt = 0; 2694 if (ifp->if_flags & IFF_BROADCAST) { 2695 cnt++; 2696 *sp++ = TULIP_SP_FIELD_C(0xffff); 2697 *sp++ = TULIP_SP_FIELD_C(0xffff); 2698 *sp++ = TULIP_SP_FIELD_C(0xffff); 2699 } 2700 for (; cnt < TULIP_MAXADDRS; cnt++) { 2701 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2702 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2703 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2704 } 2705 ifp->if_flags |= IFF_ALLMULTI; 2706 2707 setit: 2708 if (ifp->if_flags & IFF_ALLMULTI) 2709 sc->sc_opmode |= OPMODE_PM; 2710 2711 /* Sync the setup packet buffer. */ 2712 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2713 2714 /* 2715 * Fill in the setup packet descriptor. 2716 */ 2717 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2718 2719 txs->txs_firstdesc = sc->sc_txnext; 2720 txs->txs_lastdesc = sc->sc_txnext; 2721 txs->txs_ndescs = 1; 2722 txs->txs_mbuf = NULL; 2723 2724 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2725 htole32(TULIP_CDSPADDR(sc)); 2726 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2727 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2728 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2729 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2730 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2731 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2732 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2733 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2734 2735 /* Advance the tx pointer. */ 2736 sc->sc_txfree -= 1; 2737 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2738 2739 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2740 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2741 2742 /* 2743 * Set the OPMODE register. This will also resume the 2744 * transmit transmit process we idled above. 2745 */ 2746 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2747 2748 sc->sc_flags |= TULIPF_DOING_SETUP; 2749 2750 /* 2751 * Kick the transmitter; this will cause the Tulip to 2752 * read the setup descriptor. 2753 */ 2754 /* XXX USE AUTOPOLLING? */ 2755 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2756 2757 /* Set up a watchdog timer in case the chip flakes out. */ 2758 ifp->if_timer = 5; 2759 2760 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2761 } 2762 2763 /* 2764 * tlp_winb_filter_setup: 2765 * 2766 * Set the Winbond 89C840F's receive filter. 2767 */ 2768 void 2769 tlp_winb_filter_setup(sc) 2770 struct tulip_softc *sc; 2771 { 2772 struct ethercom *ec = &sc->sc_ethercom; 2773 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2774 struct ether_multi *enm; 2775 struct ether_multistep step; 2776 u_int32_t hash, mchash[2]; 2777 2778 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2779 sc->sc_dev.dv_xname, sc->sc_flags)); 2780 2781 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2782 2783 if (ifp->if_flags & IFF_MULTICAST) 2784 sc->sc_opmode |= OPMODE_WINB_AMP; 2785 2786 if (ifp->if_flags & IFF_BROADCAST) 2787 sc->sc_opmode |= OPMODE_WINB_ABP; 2788 2789 if (ifp->if_flags & IFF_PROMISC) { 2790 sc->sc_opmode |= OPMODE_WINB_APP; 2791 goto allmulti; 2792 } 2793 2794 mchash[0] = mchash[1] = 0; 2795 2796 ETHER_FIRST_MULTI(step, ec, enm); 2797 while (enm != NULL) { 2798 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2799 /* 2800 * We must listen to a range of multicast addresses. 2801 * For now, just accept all multicasts, rather than 2802 * trying to set only those filter bits needed to match 2803 * the range. (At this time, the only use of address 2804 * ranges is for IP multicast routing, for which the 2805 * range is big enough to require all bits set.) 2806 */ 2807 goto allmulti; 2808 } 2809 2810 /* 2811 * According to the FreeBSD `wb' driver, yes, you 2812 * really do invert the hash. 2813 */ 2814 hash = 2815 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2816 & 0x3f; 2817 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2818 ETHER_NEXT_MULTI(step, enm); 2819 } 2820 ifp->if_flags &= ~IFF_ALLMULTI; 2821 goto setit; 2822 2823 allmulti: 2824 ifp->if_flags |= IFF_ALLMULTI; 2825 mchash[0] = mchash[1] = 0xffffffff; 2826 2827 setit: 2828 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2829 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2830 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2831 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2832 sc->sc_dev.dv_xname)); 2833 } 2834 2835 /* 2836 * tlp_al981_filter_setup: 2837 * 2838 * Set the ADMtek AL981's receive filter. 2839 */ 2840 void 2841 tlp_al981_filter_setup(sc) 2842 struct tulip_softc *sc; 2843 { 2844 struct ethercom *ec = &sc->sc_ethercom; 2845 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2846 struct ether_multi *enm; 2847 struct ether_multistep step; 2848 u_int32_t hash, mchash[2]; 2849 2850 /* 2851 * If the chip is running, we need to reset the interface, 2852 * and will revisit here (with IFF_RUNNING) clear. The 2853 * chip seems to really not like to have its multicast 2854 * filter programmed without a reset. 2855 */ 2856 if (ifp->if_flags & IFF_RUNNING) { 2857 (void) tlp_init(ifp); 2858 return; 2859 } 2860 2861 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2862 sc->sc_dev.dv_xname, sc->sc_flags)); 2863 2864 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2865 2866 if (ifp->if_flags & IFF_PROMISC) { 2867 sc->sc_opmode |= OPMODE_PR; 2868 goto allmulti; 2869 } 2870 2871 mchash[0] = mchash[1] = 0; 2872 2873 ETHER_FIRST_MULTI(step, ec, enm); 2874 while (enm != NULL) { 2875 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2876 /* 2877 * We must listen to a range of multicast addresses. 2878 * For now, just accept all multicasts, rather than 2879 * trying to set only those filter bits needed to match 2880 * the range. (At this time, the only use of address 2881 * ranges is for IP multicast routing, for which the 2882 * range is big enough to require all bits set.) 2883 */ 2884 goto allmulti; 2885 } 2886 2887 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2888 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2889 ETHER_NEXT_MULTI(step, enm); 2890 } 2891 ifp->if_flags &= ~IFF_ALLMULTI; 2892 goto setit; 2893 2894 allmulti: 2895 ifp->if_flags |= IFF_ALLMULTI; 2896 mchash[0] = mchash[1] = 0xffffffff; 2897 2898 setit: 2899 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2900 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2901 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2902 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2903 sc->sc_dev.dv_xname)); 2904 } 2905 2906 /* 2907 * tlp_idle: 2908 * 2909 * Cause the transmit and/or receive processes to go idle. 2910 */ 2911 void 2912 tlp_idle(sc, bits) 2913 struct tulip_softc *sc; 2914 u_int32_t bits; 2915 { 2916 static const char * const tlp_tx_state_names[] = { 2917 "STOPPED", 2918 "RUNNING - FETCH", 2919 "RUNNING - WAIT", 2920 "RUNNING - READING", 2921 "-- RESERVED --", 2922 "RUNNING - SETUP", 2923 "SUSPENDED", 2924 "RUNNING - CLOSE", 2925 }; 2926 static const char * const tlp_rx_state_names[] = { 2927 "STOPPED", 2928 "RUNNING - FETCH", 2929 "RUNNING - CHECK", 2930 "RUNNING - WAIT", 2931 "SUSPENDED", 2932 "RUNNING - CLOSE", 2933 "RUNNING - FLUSH", 2934 "RUNNING - QUEUE", 2935 }; 2936 static const char * const dm9102_tx_state_names[] = { 2937 "STOPPED", 2938 "RUNNING - FETCH", 2939 "RUNNING - SETUP", 2940 "RUNNING - READING", 2941 "RUNNING - CLOSE - CLEAR OWNER", 2942 "RUNNING - WAIT", 2943 "RUNNING - CLOSE - WRITE STATUS", 2944 "SUSPENDED", 2945 }; 2946 static const char * const dm9102_rx_state_names[] = { 2947 "STOPPED", 2948 "RUNNING - FETCH", 2949 "RUNNING - WAIT", 2950 "RUNNING - QUEUE", 2951 "RUNNING - CLOSE - CLEAR OWNER", 2952 "RUNNING - CLOSE - WRITE STATUS", 2953 "SUSPENDED", 2954 "RUNNING - FLUSH", 2955 }; 2956 2957 const char * const *tx_state_names, * const *rx_state_names; 2958 u_int32_t csr, ackmask = 0; 2959 int i; 2960 2961 switch (sc->sc_chip) { 2962 case TULIP_CHIP_DM9102: 2963 case TULIP_CHIP_DM9102A: 2964 tx_state_names = dm9102_tx_state_names; 2965 rx_state_names = dm9102_rx_state_names; 2966 break; 2967 2968 default: 2969 tx_state_names = tlp_tx_state_names; 2970 rx_state_names = tlp_rx_state_names; 2971 break; 2972 } 2973 2974 if (bits & OPMODE_ST) 2975 ackmask |= STATUS_TPS; 2976 2977 if (bits & OPMODE_SR) 2978 ackmask |= STATUS_RPS; 2979 2980 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2981 2982 for (i = 0; i < 1000; i++) { 2983 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2984 break; 2985 delay(10); 2986 } 2987 2988 csr = TULIP_READ(sc, CSR_STATUS); 2989 if ((csr & ackmask) != ackmask) { 2990 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2991 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 2992 printf("%s: transmit process failed to idle: " 2993 "state %s\n", sc->sc_dev.dv_xname, 2994 tx_state_names[(csr & STATUS_TS) >> 20]); 2995 } 2996 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2997 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 2998 switch (sc->sc_chip) { 2999 case TULIP_CHIP_AN983: 3000 case TULIP_CHIP_AN985: 3001 /* 3002 * Filter the message out on noisy chips. 3003 */ 3004 break; 3005 default: 3006 printf("%s: receive process failed to idle: " 3007 "state %s\n", sc->sc_dev.dv_xname, 3008 rx_state_names[(csr & STATUS_RS) >> 17]); 3009 } 3010 } 3011 } 3012 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3013 } 3014 3015 /***************************************************************************** 3016 * Generic media support functions. 3017 *****************************************************************************/ 3018 3019 /* 3020 * tlp_mediastatus: [ifmedia interface function] 3021 * 3022 * Query the current media. 3023 */ 3024 void 3025 tlp_mediastatus(ifp, ifmr) 3026 struct ifnet *ifp; 3027 struct ifmediareq *ifmr; 3028 { 3029 struct tulip_softc *sc = ifp->if_softc; 3030 3031 if (TULIP_IS_ENABLED(sc) == 0) { 3032 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3033 ifmr->ifm_status = 0; 3034 return; 3035 } 3036 3037 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3038 } 3039 3040 /* 3041 * tlp_mediachange: [ifmedia interface function] 3042 * 3043 * Update the current media. 3044 */ 3045 int 3046 tlp_mediachange(ifp) 3047 struct ifnet *ifp; 3048 { 3049 struct tulip_softc *sc = ifp->if_softc; 3050 3051 if ((ifp->if_flags & IFF_UP) == 0) 3052 return (0); 3053 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3054 } 3055 3056 /***************************************************************************** 3057 * Support functions for MII-attached media. 3058 *****************************************************************************/ 3059 3060 /* 3061 * tlp_mii_tick: 3062 * 3063 * One second timer, used to tick the MII. 3064 */ 3065 void 3066 tlp_mii_tick(arg) 3067 void *arg; 3068 { 3069 struct tulip_softc *sc = arg; 3070 int s; 3071 3072 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3073 return; 3074 3075 s = splnet(); 3076 mii_tick(&sc->sc_mii); 3077 splx(s); 3078 3079 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3080 } 3081 3082 /* 3083 * tlp_mii_statchg: [mii interface function] 3084 * 3085 * Callback from PHY when media changes. 3086 */ 3087 void 3088 tlp_mii_statchg(self) 3089 struct device *self; 3090 { 3091 struct tulip_softc *sc = (struct tulip_softc *)self; 3092 3093 /* Idle the transmit and receive processes. */ 3094 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3095 3096 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3097 3098 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3099 sc->sc_opmode |= OPMODE_TTM; 3100 else 3101 sc->sc_opmode |= OPMODE_HBD; 3102 3103 if (sc->sc_mii.mii_media_active & IFM_FDX) 3104 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3105 3106 /* 3107 * Write new OPMODE bits. This also restarts the transmit 3108 * and receive processes. 3109 */ 3110 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3111 } 3112 3113 /* 3114 * tlp_winb_mii_statchg: [mii interface function] 3115 * 3116 * Callback from PHY when media changes. This version is 3117 * for the Winbond 89C840F, which has different OPMODE bits. 3118 */ 3119 void 3120 tlp_winb_mii_statchg(self) 3121 struct device *self; 3122 { 3123 struct tulip_softc *sc = (struct tulip_softc *)self; 3124 3125 /* Idle the transmit and receive processes. */ 3126 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3127 3128 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3129 3130 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3131 sc->sc_opmode |= OPMODE_WINB_FES; 3132 3133 if (sc->sc_mii.mii_media_active & IFM_FDX) 3134 sc->sc_opmode |= OPMODE_FD; 3135 3136 /* 3137 * Write new OPMODE bits. This also restarts the transmit 3138 * and receive processes. 3139 */ 3140 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3141 } 3142 3143 /* 3144 * tlp_dm9102_mii_statchg: [mii interface function] 3145 * 3146 * Callback from PHY when media changes. This version is 3147 * for the DM9102. 3148 */ 3149 void 3150 tlp_dm9102_mii_statchg(self) 3151 struct device *self; 3152 { 3153 struct tulip_softc *sc = (struct tulip_softc *)self; 3154 3155 /* 3156 * Don't idle the transmit and receive processes, here. It 3157 * seems to fail, and just causes excess noise. 3158 */ 3159 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3160 3161 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3162 sc->sc_opmode |= OPMODE_TTM; 3163 3164 if (sc->sc_mii.mii_media_active & IFM_FDX) 3165 sc->sc_opmode |= OPMODE_FD; 3166 3167 /* 3168 * Write new OPMODE bits. 3169 */ 3170 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3171 } 3172 3173 /* 3174 * tlp_mii_getmedia: 3175 * 3176 * Callback from ifmedia to request current media status. 3177 */ 3178 void 3179 tlp_mii_getmedia(sc, ifmr) 3180 struct tulip_softc *sc; 3181 struct ifmediareq *ifmr; 3182 { 3183 3184 mii_pollstat(&sc->sc_mii); 3185 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3186 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3187 } 3188 3189 /* 3190 * tlp_mii_setmedia: 3191 * 3192 * Callback from ifmedia to request new media setting. 3193 */ 3194 int 3195 tlp_mii_setmedia(sc) 3196 struct tulip_softc *sc; 3197 { 3198 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3199 3200 if (ifp->if_flags & IFF_UP) { 3201 switch (sc->sc_chip) { 3202 case TULIP_CHIP_21142: 3203 case TULIP_CHIP_21143: 3204 /* Disable the internal Nway engine. */ 3205 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3206 break; 3207 3208 default: 3209 /* Nothing. */ 3210 break; 3211 } 3212 mii_mediachg(&sc->sc_mii); 3213 } 3214 return (0); 3215 } 3216 3217 /* 3218 * tlp_bitbang_mii_readreg: 3219 * 3220 * Read a PHY register via bit-bang'ing the MII. 3221 */ 3222 int 3223 tlp_bitbang_mii_readreg(self, phy, reg) 3224 struct device *self; 3225 int phy, reg; 3226 { 3227 struct tulip_softc *sc = (void *) self; 3228 3229 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3230 } 3231 3232 /* 3233 * tlp_bitbang_mii_writereg: 3234 * 3235 * Write a PHY register via bit-bang'ing the MII. 3236 */ 3237 void 3238 tlp_bitbang_mii_writereg(self, phy, reg, val) 3239 struct device *self; 3240 int phy, reg, val; 3241 { 3242 struct tulip_softc *sc = (void *) self; 3243 3244 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3245 } 3246 3247 /* 3248 * tlp_sio_mii_bitbang_read: 3249 * 3250 * Read the MII serial port for the MII bit-bang module. 3251 */ 3252 u_int32_t 3253 tlp_sio_mii_bitbang_read(self) 3254 struct device *self; 3255 { 3256 struct tulip_softc *sc = (void *) self; 3257 3258 return (TULIP_READ(sc, CSR_MIIROM)); 3259 } 3260 3261 /* 3262 * tlp_sio_mii_bitbang_write: 3263 * 3264 * Write the MII serial port for the MII bit-bang module. 3265 */ 3266 void 3267 tlp_sio_mii_bitbang_write(self, val) 3268 struct device *self; 3269 u_int32_t val; 3270 { 3271 struct tulip_softc *sc = (void *) self; 3272 3273 TULIP_WRITE(sc, CSR_MIIROM, val); 3274 } 3275 3276 /* 3277 * tlp_pnic_mii_readreg: 3278 * 3279 * Read a PHY register on the Lite-On PNIC. 3280 */ 3281 int 3282 tlp_pnic_mii_readreg(self, phy, reg) 3283 struct device *self; 3284 int phy, reg; 3285 { 3286 struct tulip_softc *sc = (void *) self; 3287 u_int32_t val; 3288 int i; 3289 3290 TULIP_WRITE(sc, CSR_PNIC_MII, 3291 PNIC_MII_MBO | PNIC_MII_RESERVED | 3292 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3293 (reg << PNIC_MII_REGSHIFT)); 3294 3295 for (i = 0; i < 1000; i++) { 3296 delay(10); 3297 val = TULIP_READ(sc, CSR_PNIC_MII); 3298 if ((val & PNIC_MII_BUSY) == 0) { 3299 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3300 return (0); 3301 else 3302 return (val & PNIC_MII_DATA); 3303 } 3304 } 3305 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3306 return (0); 3307 } 3308 3309 /* 3310 * tlp_pnic_mii_writereg: 3311 * 3312 * Write a PHY register on the Lite-On PNIC. 3313 */ 3314 void 3315 tlp_pnic_mii_writereg(self, phy, reg, val) 3316 struct device *self; 3317 int phy, reg, val; 3318 { 3319 struct tulip_softc *sc = (void *) self; 3320 int i; 3321 3322 TULIP_WRITE(sc, CSR_PNIC_MII, 3323 PNIC_MII_MBO | PNIC_MII_RESERVED | 3324 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3325 (reg << PNIC_MII_REGSHIFT) | val); 3326 3327 for (i = 0; i < 1000; i++) { 3328 delay(10); 3329 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3330 return; 3331 } 3332 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3333 } 3334 3335 const bus_addr_t tlp_al981_phy_regmap[] = { 3336 CSR_ADM_BMCR, 3337 CSR_ADM_BMSR, 3338 CSR_ADM_PHYIDR1, 3339 CSR_ADM_PHYIDR2, 3340 CSR_ADM_ANAR, 3341 CSR_ADM_ANLPAR, 3342 CSR_ADM_ANER, 3343 3344 CSR_ADM_XMC, 3345 CSR_ADM_XCIIS, 3346 CSR_ADM_XIE, 3347 CSR_ADM_100CTR, 3348 }; 3349 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3350 sizeof(tlp_al981_phy_regmap[0]); 3351 3352 /* 3353 * tlp_al981_mii_readreg: 3354 * 3355 * Read a PHY register on the ADMtek AL981. 3356 */ 3357 int 3358 tlp_al981_mii_readreg(self, phy, reg) 3359 struct device *self; 3360 int phy, reg; 3361 { 3362 struct tulip_softc *sc = (struct tulip_softc *)self; 3363 3364 /* AL981 only has an internal PHY. */ 3365 if (phy != 0) 3366 return (0); 3367 3368 if (reg >= tlp_al981_phy_regmap_size) 3369 return (0); 3370 3371 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3372 tlp_al981_phy_regmap[reg]) & 0xffff); 3373 } 3374 3375 /* 3376 * tlp_al981_mii_writereg: 3377 * 3378 * Write a PHY register on the ADMtek AL981. 3379 */ 3380 void 3381 tlp_al981_mii_writereg(self, phy, reg, val) 3382 struct device *self; 3383 int phy, reg, val; 3384 { 3385 struct tulip_softc *sc = (struct tulip_softc *)self; 3386 3387 /* AL981 only has an internal PHY. */ 3388 if (phy != 0) 3389 return; 3390 3391 if (reg >= tlp_al981_phy_regmap_size) 3392 return; 3393 3394 bus_space_write_4(sc->sc_st, sc->sc_sh, 3395 tlp_al981_phy_regmap[reg], val); 3396 } 3397 3398 /***************************************************************************** 3399 * Chip-specific pre-init and reset functions. 3400 *****************************************************************************/ 3401 3402 /* 3403 * tlp_2114x_preinit: 3404 * 3405 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3406 */ 3407 void 3408 tlp_2114x_preinit(sc) 3409 struct tulip_softc *sc; 3410 { 3411 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3412 struct tulip_21x4x_media *tm = ife->ifm_aux; 3413 3414 /* 3415 * Whether or not we're in MII or SIA/SYM mode, the media info 3416 * contains the appropriate OPMODE bits. 3417 * 3418 * Also, we always set the Must-Be-One bit. 3419 */ 3420 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3421 3422 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3423 } 3424 3425 /* 3426 * tlp_2114x_mii_preinit: 3427 * 3428 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3429 * This version is used by boards which only have MII and don't have 3430 * an ISV SROM. 3431 */ 3432 void 3433 tlp_2114x_mii_preinit(sc) 3434 struct tulip_softc *sc; 3435 { 3436 3437 /* 3438 * Always set the Must-Be-One bit, and Port Select (to select MII). 3439 * We'll never be called during a media change. 3440 */ 3441 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3442 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3443 } 3444 3445 /* 3446 * tlp_pnic_preinit: 3447 * 3448 * Pre-init function for the Lite-On 82c168 and 82c169. 3449 */ 3450 void 3451 tlp_pnic_preinit(sc) 3452 struct tulip_softc *sc; 3453 { 3454 3455 if (sc->sc_flags & TULIPF_HAS_MII) { 3456 /* 3457 * MII case: just set the port-select bit; we will never 3458 * be called during a media change. 3459 */ 3460 sc->sc_opmode |= OPMODE_PS; 3461 } else { 3462 /* 3463 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3464 */ 3465 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3466 } 3467 } 3468 3469 /* 3470 * tlp_dm9102_preinit: 3471 * 3472 * Pre-init function for the Davicom DM9102. 3473 */ 3474 void 3475 tlp_dm9102_preinit(sc) 3476 struct tulip_softc *sc; 3477 { 3478 3479 switch (sc->sc_chip) { 3480 case TULIP_CHIP_DM9102: 3481 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3482 break; 3483 3484 case TULIP_CHIP_DM9102A: 3485 /* 3486 * XXX Figure out how to actually deal with the HomePNA 3487 * XXX portion of the DM9102A. 3488 */ 3489 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3490 break; 3491 3492 default: 3493 /* Nothing. */ 3494 break; 3495 } 3496 3497 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3498 } 3499 3500 /* 3501 * tlp_21140_reset: 3502 * 3503 * Issue a reset sequence on the 21140 via the GPIO facility. 3504 */ 3505 void 3506 tlp_21140_reset(sc) 3507 struct tulip_softc *sc; 3508 { 3509 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3510 struct tulip_21x4x_media *tm = ife->ifm_aux; 3511 int i; 3512 3513 /* First, set the direction on the GPIO pins. */ 3514 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3515 3516 /* Now, issue the reset sequence. */ 3517 for (i = 0; i < tm->tm_reset_length; i++) { 3518 delay(10); 3519 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3520 } 3521 3522 /* Now, issue the selection sequence. */ 3523 for (i = 0; i < tm->tm_gp_length; i++) { 3524 delay(10); 3525 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3526 } 3527 3528 /* If there were no sequences, just lower the pins. */ 3529 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3530 delay(10); 3531 TULIP_WRITE(sc, CSR_GPP, 0); 3532 } 3533 } 3534 3535 /* 3536 * tlp_21142_reset: 3537 * 3538 * Issue a reset sequence on the 21142 via the GPIO facility. 3539 */ 3540 void 3541 tlp_21142_reset(sc) 3542 struct tulip_softc *sc; 3543 { 3544 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3545 struct tulip_21x4x_media *tm = ife->ifm_aux; 3546 const u_int8_t *cp; 3547 int i; 3548 3549 cp = &sc->sc_srom[tm->tm_reset_offset]; 3550 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3551 delay(10); 3552 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3553 } 3554 3555 cp = &sc->sc_srom[tm->tm_gp_offset]; 3556 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3557 delay(10); 3558 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3559 } 3560 3561 /* If there were no sequences, just lower the pins. */ 3562 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3563 delay(10); 3564 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3565 } 3566 } 3567 3568 /* 3569 * tlp_pmac_reset: 3570 * 3571 * Reset routine for Macronix chips. 3572 */ 3573 void 3574 tlp_pmac_reset(sc) 3575 struct tulip_softc *sc; 3576 { 3577 3578 switch (sc->sc_chip) { 3579 case TULIP_CHIP_82C115: 3580 case TULIP_CHIP_MX98715: 3581 case TULIP_CHIP_MX98715A: 3582 case TULIP_CHIP_MX98725: 3583 /* 3584 * Set the LED operating mode. This information is located 3585 * in the EEPROM at byte offset 0x77, per the MX98715A and 3586 * MX98725 application notes. 3587 */ 3588 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3589 break; 3590 case TULIP_CHIP_MX98715AEC_X: 3591 /* 3592 * Set the LED operating mode. This information is located 3593 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3594 * application note. 3595 */ 3596 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3597 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3598 break; 3599 3600 default: 3601 /* Nothing. */ 3602 break; 3603 } 3604 } 3605 3606 /* 3607 * tlp_dm9102_reset: 3608 * 3609 * Reset routine for the Davicom DM9102. 3610 */ 3611 void 3612 tlp_dm9102_reset(sc) 3613 struct tulip_softc *sc; 3614 { 3615 3616 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3617 delay(100); 3618 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3619 } 3620 3621 /***************************************************************************** 3622 * Chip/board-specific media switches. The ones here are ones that 3623 * are potentially common to multiple front-ends. 3624 *****************************************************************************/ 3625 3626 /* 3627 * This table is a common place for all sorts of media information, 3628 * keyed off of the SROM media code for that media. 3629 * 3630 * Note that we explicitly configure the 21142/21143 to always advertise 3631 * NWay capabilities when using the UTP port. 3632 * XXX Actually, we don't yet. 3633 */ 3634 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3635 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3636 "10baseT", 3637 OPMODE_TTM, 3638 BMSR_10THDX, 3639 { SIACONN_21040_10BASET, 3640 SIATXRX_21040_10BASET, 3641 SIAGEN_21040_10BASET }, 3642 3643 { SIACONN_21041_10BASET, 3644 SIATXRX_21041_10BASET, 3645 SIAGEN_21041_10BASET }, 3646 3647 { SIACONN_21142_10BASET, 3648 SIATXRX_21142_10BASET, 3649 SIAGEN_21142_10BASET } }, 3650 3651 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3652 "10base2", 3653 0, 3654 0, 3655 { 0, 3656 0, 3657 0 }, 3658 3659 { SIACONN_21041_BNC, 3660 SIATXRX_21041_BNC, 3661 SIAGEN_21041_BNC }, 3662 3663 { SIACONN_21142_BNC, 3664 SIATXRX_21142_BNC, 3665 SIAGEN_21142_BNC } }, 3666 3667 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3668 "10base5", 3669 0, 3670 0, 3671 { SIACONN_21040_AUI, 3672 SIATXRX_21040_AUI, 3673 SIAGEN_21040_AUI }, 3674 3675 { SIACONN_21041_AUI, 3676 SIATXRX_21041_AUI, 3677 SIAGEN_21041_AUI }, 3678 3679 { SIACONN_21142_AUI, 3680 SIATXRX_21142_AUI, 3681 SIAGEN_21142_AUI } }, 3682 3683 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3684 "100baseTX", 3685 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3686 BMSR_100TXHDX, 3687 { 0, 3688 0, 3689 0 }, 3690 3691 { 0, 3692 0, 3693 0 }, 3694 3695 { 0, 3696 0, 3697 SIAGEN_ABM } }, 3698 3699 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3700 "10baseT-FDX", 3701 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3702 BMSR_10TFDX, 3703 { SIACONN_21040_10BASET_FDX, 3704 SIATXRX_21040_10BASET_FDX, 3705 SIAGEN_21040_10BASET_FDX }, 3706 3707 { SIACONN_21041_10BASET_FDX, 3708 SIATXRX_21041_10BASET_FDX, 3709 SIAGEN_21041_10BASET_FDX }, 3710 3711 { SIACONN_21142_10BASET_FDX, 3712 SIATXRX_21142_10BASET_FDX, 3713 SIAGEN_21142_10BASET_FDX } }, 3714 3715 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3716 "100baseTX-FDX", 3717 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3718 BMSR_100TXFDX, 3719 { 0, 3720 0, 3721 0 }, 3722 3723 { 0, 3724 0, 3725 0 }, 3726 3727 { 0, 3728 0, 3729 SIAGEN_ABM } }, 3730 3731 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3732 "100baseT4", 3733 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3734 BMSR_100T4, 3735 { 0, 3736 0, 3737 0 }, 3738 3739 { 0, 3740 0, 3741 0 }, 3742 3743 { 0, 3744 0, 3745 SIAGEN_ABM } }, 3746 3747 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3748 "100baseFX", 3749 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3750 0, 3751 { 0, 3752 0, 3753 0 }, 3754 3755 { 0, 3756 0, 3757 0 }, 3758 3759 { 0, 3760 0, 3761 SIAGEN_ABM } }, 3762 3763 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3764 "100baseFX-FDX", 3765 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3766 0, 3767 { 0, 3768 0, 3769 0 }, 3770 3771 { 0, 3772 0, 3773 0 }, 3774 3775 { 0, 3776 0, 3777 SIAGEN_ABM } }, 3778 3779 { 0, 0, 0, 3780 NULL, 3781 0, 3782 0, 3783 { 0, 3784 0, 3785 0 }, 3786 3787 { 0, 3788 0, 3789 0 }, 3790 3791 { 0, 3792 0, 3793 0 } }, 3794 }; 3795 3796 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3797 void tlp_srom_media_info __P((struct tulip_softc *, 3798 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3799 void tlp_add_srom_media __P((struct tulip_softc *, int, 3800 void (*)(struct tulip_softc *, struct ifmediareq *), 3801 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3802 void tlp_print_media __P((struct tulip_softc *)); 3803 void tlp_nway_activate __P((struct tulip_softc *, int)); 3804 void tlp_get_minst __P((struct tulip_softc *)); 3805 3806 const struct tulip_srom_to_ifmedia * 3807 tlp_srom_to_ifmedia(sm) 3808 u_int8_t sm; 3809 { 3810 const struct tulip_srom_to_ifmedia *tsti; 3811 3812 for (tsti = tulip_srom_to_ifmedia_table; 3813 tsti->tsti_name != NULL; tsti++) { 3814 if (tsti->tsti_srom == sm) 3815 return (tsti); 3816 } 3817 3818 return (NULL); 3819 } 3820 3821 void 3822 tlp_srom_media_info(sc, tsti, tm) 3823 struct tulip_softc *sc; 3824 const struct tulip_srom_to_ifmedia *tsti; 3825 struct tulip_21x4x_media *tm; 3826 { 3827 3828 tm->tm_name = tsti->tsti_name; 3829 tm->tm_opmode = tsti->tsti_opmode; 3830 3831 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3832 3833 switch (sc->sc_chip) { 3834 case TULIP_CHIP_DE425: 3835 case TULIP_CHIP_21040: 3836 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3837 break; 3838 3839 case TULIP_CHIP_21041: 3840 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3841 break; 3842 3843 case TULIP_CHIP_21142: 3844 case TULIP_CHIP_21143: 3845 case TULIP_CHIP_82C115: 3846 case TULIP_CHIP_MX98715: 3847 case TULIP_CHIP_MX98715A: 3848 case TULIP_CHIP_MX98715AEC_X: 3849 case TULIP_CHIP_MX98725: 3850 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3851 break; 3852 3853 default: 3854 /* Nothing. */ 3855 break; 3856 } 3857 } 3858 3859 void 3860 tlp_add_srom_media(sc, type, get, set, list, cnt) 3861 struct tulip_softc *sc; 3862 int type; 3863 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3864 int (*set) __P((struct tulip_softc *)); 3865 const u_int8_t *list; 3866 int cnt; 3867 { 3868 struct tulip_21x4x_media *tm; 3869 const struct tulip_srom_to_ifmedia *tsti; 3870 int i; 3871 3872 for (i = 0; i < cnt; i++) { 3873 tsti = tlp_srom_to_ifmedia(list[i]); 3874 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3875 tlp_srom_media_info(sc, tsti, tm); 3876 tm->tm_type = type; 3877 tm->tm_get = get; 3878 tm->tm_set = set; 3879 3880 ifmedia_add(&sc->sc_mii.mii_media, 3881 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3882 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3883 } 3884 } 3885 3886 void 3887 tlp_print_media(sc) 3888 struct tulip_softc *sc; 3889 { 3890 struct ifmedia_entry *ife; 3891 struct tulip_21x4x_media *tm; 3892 const char *sep = ""; 3893 3894 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3895 3896 printf("%s: ", sc->sc_dev.dv_xname); 3897 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3898 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3899 tm = ife->ifm_aux; 3900 if (tm == NULL) { 3901 #ifdef DIAGNOSTIC 3902 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3903 panic("tlp_print_media"); 3904 #endif 3905 PRINT("auto"); 3906 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3907 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3908 PRINT(tm->tm_name); 3909 } 3910 } 3911 printf("\n"); 3912 3913 #undef PRINT 3914 } 3915 3916 void 3917 tlp_nway_activate(sc, media) 3918 struct tulip_softc *sc; 3919 int media; 3920 { 3921 struct ifmedia_entry *ife; 3922 3923 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3924 #ifdef DIAGNOSTIC 3925 if (ife == NULL) 3926 panic("tlp_nway_activate"); 3927 #endif 3928 sc->sc_nway_active = ife; 3929 } 3930 3931 void 3932 tlp_get_minst(sc) 3933 struct tulip_softc *sc; 3934 { 3935 3936 if ((sc->sc_media_seen & 3937 ~((1 << TULIP_ROM_MB_21140_MII) | 3938 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3939 /* 3940 * We have not yet seen any SIA/SYM media (but are 3941 * about to; that's why we're called!), so assign 3942 * the current media instance to be the `internal media' 3943 * instance, and advance it so any MII media gets a 3944 * fresh one (used to selecting/isolating a PHY). 3945 */ 3946 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3947 } 3948 } 3949 3950 /* 3951 * SIA Utility functions. 3952 */ 3953 void tlp_sia_update_link __P((struct tulip_softc *)); 3954 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3955 int tlp_sia_set __P((struct tulip_softc *)); 3956 int tlp_sia_media __P((struct tulip_softc *, struct ifmedia_entry *)); 3957 void tlp_sia_fixup __P((struct tulip_softc *)); 3958 3959 void 3960 tlp_sia_update_link(sc) 3961 struct tulip_softc *sc; 3962 { 3963 struct ifmedia_entry *ife; 3964 struct tulip_21x4x_media *tm; 3965 u_int32_t siastat; 3966 3967 ife = TULIP_CURRENT_MEDIA(sc); 3968 tm = ife->ifm_aux; 3969 3970 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3971 3972 siastat = TULIP_READ(sc, CSR_SIASTAT); 3973 3974 /* 3975 * Note that when we do SIA link tests, we are assuming that 3976 * the chip is really in the mode that the current media setting 3977 * reflects. If we're not, then the link tests will not be 3978 * accurate! 3979 */ 3980 switch (IFM_SUBTYPE(ife->ifm_media)) { 3981 case IFM_10_T: 3982 sc->sc_flags |= TULIPF_LINK_VALID; 3983 if ((siastat & SIASTAT_LS10) == 0) 3984 sc->sc_flags |= TULIPF_LINK_UP; 3985 break; 3986 3987 case IFM_100_TX: 3988 case IFM_100_T4: 3989 sc->sc_flags |= TULIPF_LINK_VALID; 3990 if ((siastat & SIASTAT_LS100) == 0) 3991 sc->sc_flags |= TULIPF_LINK_UP; 3992 break; 3993 } 3994 3995 switch (sc->sc_chip) { 3996 case TULIP_CHIP_21142: 3997 case TULIP_CHIP_21143: 3998 /* 3999 * On these chips, we can tell more information about 4000 * AUI/BNC. Note that the AUI/BNC selection is made 4001 * in a different register; for our purpose, it's all 4002 * AUI. 4003 */ 4004 switch (IFM_SUBTYPE(ife->ifm_media)) { 4005 case IFM_10_2: 4006 case IFM_10_5: 4007 sc->sc_flags |= TULIPF_LINK_VALID; 4008 if (siastat & SIASTAT_ARA) { 4009 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4010 sc->sc_flags |= TULIPF_LINK_UP; 4011 } 4012 break; 4013 4014 default: 4015 /* 4016 * If we're SYM media and can detect the link 4017 * via the GPIO facility, prefer that status 4018 * over LS100. 4019 */ 4020 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4021 tm->tm_actmask != 0) { 4022 sc->sc_flags = (sc->sc_flags & 4023 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4024 if (TULIP_ISSET(sc, CSR_SIAGEN, 4025 tm->tm_actmask) == tm->tm_actdata) 4026 sc->sc_flags |= TULIPF_LINK_UP; 4027 } 4028 } 4029 break; 4030 4031 default: 4032 /* Nothing. */ 4033 break; 4034 } 4035 } 4036 4037 void 4038 tlp_sia_get(sc, ifmr) 4039 struct tulip_softc *sc; 4040 struct ifmediareq *ifmr; 4041 { 4042 struct ifmedia_entry *ife; 4043 4044 ifmr->ifm_status = 0; 4045 4046 tlp_sia_update_link(sc); 4047 4048 ife = TULIP_CURRENT_MEDIA(sc); 4049 4050 if (sc->sc_flags & TULIPF_LINK_VALID) 4051 ifmr->ifm_status |= IFM_AVALID; 4052 if (sc->sc_flags & TULIPF_LINK_UP) 4053 ifmr->ifm_status |= IFM_ACTIVE; 4054 ifmr->ifm_active = ife->ifm_media; 4055 } 4056 4057 void 4058 tlp_sia_fixup(sc) 4059 struct tulip_softc *sc; 4060 { 4061 struct ifmedia_entry *ife; 4062 struct tulip_21x4x_media *tm; 4063 u_int32_t siaconn, siatxrx, siagen; 4064 4065 switch (sc->sc_chip) { 4066 case TULIP_CHIP_82C115: 4067 case TULIP_CHIP_MX98713A: 4068 case TULIP_CHIP_MX98715: 4069 case TULIP_CHIP_MX98715A: 4070 case TULIP_CHIP_MX98715AEC_X: 4071 case TULIP_CHIP_MX98725: 4072 siaconn = PMAC_SIACONN_MASK; 4073 siatxrx = PMAC_SIATXRX_MASK; 4074 siagen = PMAC_SIAGEN_MASK; 4075 break; 4076 4077 default: 4078 /* No fixups required on any other chips. */ 4079 return; 4080 } 4081 4082 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4083 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4084 tm = ife->ifm_aux; 4085 if (tm == NULL) 4086 continue; 4087 4088 tm->tm_siaconn &= siaconn; 4089 tm->tm_siatxrx &= siatxrx; 4090 tm->tm_siagen &= siagen; 4091 } 4092 } 4093 4094 int 4095 tlp_sia_set(sc) 4096 struct tulip_softc *sc; 4097 { 4098 4099 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4100 } 4101 4102 int 4103 tlp_sia_media(sc, ife) 4104 struct tulip_softc *sc; 4105 struct ifmedia_entry *ife; 4106 { 4107 struct tulip_21x4x_media *tm; 4108 4109 tm = ife->ifm_aux; 4110 4111 /* 4112 * XXX This appears to be necessary on a bunch of the clone chips. 4113 */ 4114 delay(20000); 4115 4116 /* 4117 * Idle the chip. 4118 */ 4119 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4120 4121 /* 4122 * Program the SIA. It's important to write in this order, 4123 * resetting the SIA first. 4124 */ 4125 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4126 delay(1000); 4127 4128 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4129 4130 switch (sc->sc_chip) { 4131 case TULIP_CHIP_21142: 4132 case TULIP_CHIP_21143: 4133 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4134 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4135 break; 4136 default: 4137 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4138 } 4139 4140 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4141 4142 /* 4143 * Set the OPMODE bits for this media and write OPMODE. 4144 * This will resume the transmit and receive processes. 4145 */ 4146 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4147 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4148 4149 return (0); 4150 } 4151 4152 /* 4153 * 21140 GPIO utility functions. 4154 */ 4155 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4156 4157 void 4158 tlp_21140_gpio_update_link(sc) 4159 struct tulip_softc *sc; 4160 { 4161 struct ifmedia_entry *ife; 4162 struct tulip_21x4x_media *tm; 4163 4164 ife = TULIP_CURRENT_MEDIA(sc); 4165 tm = ife->ifm_aux; 4166 4167 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4168 4169 if (tm->tm_actmask != 0) { 4170 sc->sc_flags |= TULIPF_LINK_VALID; 4171 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4172 tm->tm_actdata) 4173 sc->sc_flags |= TULIPF_LINK_UP; 4174 } 4175 } 4176 4177 void 4178 tlp_21140_gpio_get(sc, ifmr) 4179 struct tulip_softc *sc; 4180 struct ifmediareq *ifmr; 4181 { 4182 struct ifmedia_entry *ife; 4183 4184 ifmr->ifm_status = 0; 4185 4186 tlp_21140_gpio_update_link(sc); 4187 4188 ife = TULIP_CURRENT_MEDIA(sc); 4189 4190 if (sc->sc_flags & TULIPF_LINK_VALID) 4191 ifmr->ifm_status |= IFM_AVALID; 4192 if (sc->sc_flags & TULIPF_LINK_UP) 4193 ifmr->ifm_status |= IFM_ACTIVE; 4194 ifmr->ifm_active = ife->ifm_media; 4195 } 4196 4197 int 4198 tlp_21140_gpio_set(sc) 4199 struct tulip_softc *sc; 4200 { 4201 struct ifmedia_entry *ife; 4202 struct tulip_21x4x_media *tm; 4203 4204 ife = TULIP_CURRENT_MEDIA(sc); 4205 tm = ife->ifm_aux; 4206 4207 /* 4208 * Idle the chip. 4209 */ 4210 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4211 4212 /* 4213 * Set the GPIO pins for this media, to flip any 4214 * relays, etc. 4215 */ 4216 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4217 delay(10); 4218 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4219 4220 /* 4221 * Set the OPMODE bits for this media and write OPMODE. 4222 * This will resume the transmit and receive processes. 4223 */ 4224 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4225 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4226 4227 return (0); 4228 } 4229 4230 /* 4231 * 21040 and 21041 media switches. 4232 */ 4233 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4234 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4235 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4236 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4237 4238 const struct tulip_mediasw tlp_21040_mediasw = { 4239 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4240 }; 4241 4242 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4243 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4244 }; 4245 4246 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4247 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4248 }; 4249 4250 const struct tulip_mediasw tlp_21041_mediasw = { 4251 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4252 }; 4253 4254 4255 void 4256 tlp_21040_tmsw_init(sc) 4257 struct tulip_softc *sc; 4258 { 4259 static const u_int8_t media[] = { 4260 TULIP_ROM_MB_MEDIA_TP, 4261 TULIP_ROM_MB_MEDIA_TP_FDX, 4262 TULIP_ROM_MB_MEDIA_AUI, 4263 }; 4264 struct tulip_21x4x_media *tm; 4265 4266 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4267 tlp_mediastatus); 4268 4269 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4270 4271 /* 4272 * No SROM type for External SIA. 4273 */ 4274 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4275 tm->tm_name = "manual"; 4276 tm->tm_opmode = 0; 4277 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4278 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4279 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4280 ifmedia_add(&sc->sc_mii.mii_media, 4281 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4282 4283 /* 4284 * XXX Autosense not yet supported. 4285 */ 4286 4287 /* XXX This should be auto-sense. */ 4288 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4289 4290 tlp_print_media(sc); 4291 } 4292 4293 void 4294 tlp_21040_tp_tmsw_init(sc) 4295 struct tulip_softc *sc; 4296 { 4297 static const u_int8_t media[] = { 4298 TULIP_ROM_MB_MEDIA_TP, 4299 TULIP_ROM_MB_MEDIA_TP_FDX, 4300 }; 4301 4302 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4303 tlp_mediastatus); 4304 4305 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4306 4307 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4308 4309 tlp_print_media(sc); 4310 } 4311 4312 void 4313 tlp_21040_auibnc_tmsw_init(sc) 4314 struct tulip_softc *sc; 4315 { 4316 static const u_int8_t media[] = { 4317 TULIP_ROM_MB_MEDIA_AUI, 4318 }; 4319 4320 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4321 tlp_mediastatus); 4322 4323 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4324 4325 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4326 4327 tlp_print_media(sc); 4328 } 4329 4330 void 4331 tlp_21041_tmsw_init(sc) 4332 struct tulip_softc *sc; 4333 { 4334 static const u_int8_t media[] = { 4335 TULIP_ROM_MB_MEDIA_TP, 4336 TULIP_ROM_MB_MEDIA_TP_FDX, 4337 TULIP_ROM_MB_MEDIA_BNC, 4338 TULIP_ROM_MB_MEDIA_AUI, 4339 }; 4340 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4341 const struct tulip_srom_to_ifmedia *tsti; 4342 struct tulip_21x4x_media *tm; 4343 u_int16_t romdef; 4344 u_int8_t mb; 4345 4346 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4347 tlp_mediastatus); 4348 4349 if (tlp_isv_srom(sc->sc_srom) == 0) { 4350 not_isv_srom: 4351 /* 4352 * If we have a board without the standard 21041 SROM format, 4353 * we just assume all media are present and try and pick a 4354 * reasonable default. 4355 */ 4356 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4357 4358 /* 4359 * XXX Autosense not yet supported. 4360 */ 4361 4362 /* XXX This should be auto-sense. */ 4363 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4364 4365 tlp_print_media(sc); 4366 return; 4367 } 4368 4369 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4370 for (i = 0; i < devcnt; i++) { 4371 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4372 break; 4373 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4374 sc->sc_devno) 4375 break; 4376 } 4377 4378 if (i == devcnt) 4379 goto not_isv_srom; 4380 4381 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4382 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4383 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4384 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4385 4386 for (; m_cnt != 0; 4387 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4388 mb = sc->sc_srom[mb_offset]; 4389 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4390 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4391 case TULIP_ROM_MB_MEDIA_TP_FDX: 4392 case TULIP_ROM_MB_MEDIA_TP: 4393 case TULIP_ROM_MB_MEDIA_BNC: 4394 case TULIP_ROM_MB_MEDIA_AUI: 4395 tsti = tlp_srom_to_ifmedia(mb & 4396 TULIP_ROM_MB_MEDIA_CODE); 4397 4398 tlp_srom_media_info(sc, tsti, tm); 4399 4400 /* 4401 * Override our default SIA settings if the 4402 * SROM contains its own. 4403 */ 4404 if (mb & TULIP_ROM_MB_EXT) { 4405 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4406 mb_offset + TULIP_ROM_MB_CSR13); 4407 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4408 mb_offset + TULIP_ROM_MB_CSR14); 4409 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4410 mb_offset + TULIP_ROM_MB_CSR15); 4411 } 4412 4413 ifmedia_add(&sc->sc_mii.mii_media, 4414 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4415 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4416 break; 4417 4418 default: 4419 printf("%s: unknown media code 0x%02x\n", 4420 sc->sc_dev.dv_xname, 4421 mb & TULIP_ROM_MB_MEDIA_CODE); 4422 free(tm, M_DEVBUF); 4423 } 4424 } 4425 4426 /* 4427 * XXX Autosense not yet supported. 4428 */ 4429 4430 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4431 TULIP_ROM_IL_SELECT_CONN_TYPE); 4432 switch (romdef) { 4433 case SELECT_CONN_TYPE_TP: 4434 case SELECT_CONN_TYPE_TP_AUTONEG: 4435 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4436 defmedia = IFM_ETHER|IFM_10_T; 4437 break; 4438 4439 case SELECT_CONN_TYPE_TP_FDX: 4440 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4441 break; 4442 4443 case SELECT_CONN_TYPE_BNC: 4444 defmedia = IFM_ETHER|IFM_10_2; 4445 break; 4446 4447 case SELECT_CONN_TYPE_AUI: 4448 defmedia = IFM_ETHER|IFM_10_5; 4449 break; 4450 #if 0 /* XXX */ 4451 case SELECT_CONN_TYPE_ASENSE: 4452 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4453 defmedia = IFM_ETHER|IFM_AUTO; 4454 break; 4455 #endif 4456 default: 4457 defmedia = 0; 4458 } 4459 4460 if (defmedia == 0) { 4461 /* 4462 * XXX We should default to auto-sense. 4463 */ 4464 defmedia = IFM_ETHER|IFM_10_T; 4465 } 4466 4467 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4468 4469 tlp_print_media(sc); 4470 } 4471 4472 /* 4473 * DECchip 2114x ISV media switch. 4474 */ 4475 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4476 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4477 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4478 4479 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4480 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4481 }; 4482 4483 void tlp_2114x_nway_get __P((struct tulip_softc *, struct ifmediareq *)); 4484 int tlp_2114x_nway_set __P((struct tulip_softc *)); 4485 4486 void tlp_2114x_nway_statchg __P((struct device *)); 4487 int tlp_2114x_nway_service __P((struct tulip_softc *, int)); 4488 void tlp_2114x_nway_auto __P((struct tulip_softc *)); 4489 void tlp_2114x_nway_status __P((struct tulip_softc *)); 4490 4491 void 4492 tlp_2114x_isv_tmsw_init(sc) 4493 struct tulip_softc *sc; 4494 { 4495 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4496 struct ifmedia_entry *ife; 4497 struct mii_softc *phy; 4498 struct tulip_21x4x_media *tm; 4499 const struct tulip_srom_to_ifmedia *tsti; 4500 int i, devcnt, leaf_offset, m_cnt, type, length; 4501 int defmedia, miidef; 4502 u_int16_t word; 4503 u_int8_t *cp, *ncp; 4504 4505 defmedia = miidef = 0; 4506 4507 sc->sc_mii.mii_ifp = ifp; 4508 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4509 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4510 sc->sc_mii.mii_statchg = sc->sc_statchg; 4511 4512 /* 4513 * Ignore `instance'; we may get a mixture of SIA and MII 4514 * media, and `instance' is used to isolate or select the 4515 * PHY on the MII as appropriate. Note that duplicate media 4516 * are disallowed, so ignoring `instance' is safe. 4517 */ 4518 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4519 tlp_mediastatus); 4520 4521 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4522 for (i = 0; i < devcnt; i++) { 4523 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4524 break; 4525 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4526 sc->sc_devno) 4527 break; 4528 } 4529 4530 if (i == devcnt) { 4531 printf("%s: unable to locate info leaf in SROM\n", 4532 sc->sc_dev.dv_xname); 4533 return; 4534 } 4535 4536 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4537 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4538 4539 /* XXX SELECT CONN TYPE */ 4540 4541 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4542 4543 /* 4544 * On some chips, the first thing in the Info Leaf is the 4545 * GPIO pin direction data. 4546 */ 4547 switch (sc->sc_chip) { 4548 case TULIP_CHIP_21140: 4549 case TULIP_CHIP_21140A: 4550 case TULIP_CHIP_MX98713: 4551 case TULIP_CHIP_AX88140: 4552 case TULIP_CHIP_AX88141: 4553 sc->sc_gp_dir = *cp++; 4554 break; 4555 4556 default: 4557 /* Nothing. */ 4558 break; 4559 } 4560 4561 /* Get the media count. */ 4562 m_cnt = *cp++; 4563 4564 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4565 /* 4566 * Determine the type and length of this media block. 4567 * The 21143 is spec'd to always use extended format blocks, 4568 * but some cards don't set the bit to indicate this. 4569 * Hopefully there are no cards which really don't use 4570 * extended format blocks. 4571 */ 4572 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4573 length = 4; 4574 type = TULIP_ROM_MB_21140_GPR; 4575 } else { 4576 length = (*cp++ & 0x7f) - 1; 4577 type = *cp++ & 0x3f; 4578 } 4579 4580 /* Compute the start of the next block. */ 4581 ncp = cp + length; 4582 4583 /* Now, parse the block. */ 4584 switch (type) { 4585 case TULIP_ROM_MB_21140_GPR: 4586 tlp_get_minst(sc); 4587 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4588 4589 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4590 4591 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4592 tm->tm_get = tlp_21140_gpio_get; 4593 tm->tm_set = tlp_21140_gpio_set; 4594 4595 /* First is the media type code. */ 4596 tsti = tlp_srom_to_ifmedia(cp[0] & 4597 TULIP_ROM_MB_MEDIA_CODE); 4598 if (tsti == NULL) { 4599 /* Invalid media code. */ 4600 free(tm, M_DEVBUF); 4601 break; 4602 } 4603 4604 /* Get defaults. */ 4605 tlp_srom_media_info(sc, tsti, tm); 4606 4607 /* Next is any GPIO info for this media. */ 4608 tm->tm_gpdata = cp[1]; 4609 4610 /* 4611 * Next is a word containing OPMODE information 4612 * and info on how to detect if this media is 4613 * active. 4614 */ 4615 word = TULIP_ROM_GETW(cp, 2); 4616 tm->tm_opmode &= OPMODE_FD; 4617 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4618 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4619 tm->tm_actmask = 4620 TULIP_ROM_MB_BITPOS(word); 4621 tm->tm_actdata = 4622 (word & TULIP_ROM_MB_POLARITY) ? 4623 0 : tm->tm_actmask; 4624 } 4625 4626 ifmedia_add(&sc->sc_mii.mii_media, 4627 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4628 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4629 break; 4630 4631 case TULIP_ROM_MB_21140_MII: 4632 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4633 4634 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4635 4636 tm->tm_type = TULIP_ROM_MB_21140_MII; 4637 tm->tm_get = tlp_mii_getmedia; 4638 tm->tm_set = tlp_mii_setmedia; 4639 tm->tm_opmode = OPMODE_PS; 4640 4641 if (sc->sc_reset == NULL) 4642 sc->sc_reset = tlp_21140_reset; 4643 4644 /* First is the PHY number. */ 4645 tm->tm_phyno = *cp++; 4646 4647 /* Next is the MII select sequence length and offset. */ 4648 tm->tm_gp_length = *cp++; 4649 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4650 cp += tm->tm_gp_length; 4651 4652 /* Next is the MII reset sequence length and offset. */ 4653 tm->tm_reset_length = *cp++; 4654 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4655 cp += tm->tm_reset_length; 4656 4657 /* 4658 * The following items are left in the media block 4659 * that we don't particularly care about: 4660 * 4661 * capabilities W 4662 * advertisement W 4663 * full duplex W 4664 * tx threshold W 4665 * 4666 * These appear to be bits in the PHY registers, 4667 * which our MII code handles on its own. 4668 */ 4669 4670 /* 4671 * Before we probe the MII bus, we need to reset 4672 * it and issue the selection sequence. 4673 */ 4674 4675 /* Set the direction of the pins... */ 4676 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4677 4678 for (i = 0; i < tm->tm_reset_length; i++) { 4679 delay(10); 4680 TULIP_WRITE(sc, CSR_GPP, 4681 sc->sc_srom[tm->tm_reset_offset + i]); 4682 } 4683 4684 for (i = 0; i < tm->tm_gp_length; i++) { 4685 delay(10); 4686 TULIP_WRITE(sc, CSR_GPP, 4687 sc->sc_srom[tm->tm_gp_offset + i]); 4688 } 4689 4690 /* If there were no sequences, just lower the pins. */ 4691 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4692 delay(10); 4693 TULIP_WRITE(sc, CSR_GPP, 0); 4694 } 4695 4696 /* 4697 * Now, probe the MII for the PHY. Note, we know 4698 * the location of the PHY on the bus, but we don't 4699 * particularly care; the MII code just likes to 4700 * search the whole thing anyhow. 4701 */ 4702 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4703 MII_PHY_ANY, tm->tm_phyno, 0); 4704 4705 /* 4706 * Now, search for the PHY we hopefully just 4707 * configured. If it's not configured into the 4708 * kernel, we lose. The PHY's default media always 4709 * takes priority. 4710 */ 4711 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4712 phy != NULL; 4713 phy = LIST_NEXT(phy, mii_list)) 4714 if (phy->mii_offset == tm->tm_phyno) 4715 break; 4716 if (phy == NULL) { 4717 printf("%s: unable to configure MII\n", 4718 sc->sc_dev.dv_xname); 4719 break; 4720 } 4721 4722 sc->sc_flags |= TULIPF_HAS_MII; 4723 sc->sc_tick = tlp_mii_tick; 4724 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4725 phy->mii_inst); 4726 4727 /* 4728 * Okay, now that we've found the PHY and the MII 4729 * layer has added all of the media associated 4730 * with that PHY, we need to traverse the media 4731 * list, and add our `tm' to each entry's `aux' 4732 * pointer. 4733 * 4734 * We do this by looking for media with our 4735 * PHY's `instance'. 4736 */ 4737 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4738 ife != NULL; 4739 ife = TAILQ_NEXT(ife, ifm_list)) { 4740 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4741 continue; 4742 ife->ifm_aux = tm; 4743 } 4744 break; 4745 4746 case TULIP_ROM_MB_21142_SIA: 4747 tlp_get_minst(sc); 4748 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4749 4750 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4751 4752 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4753 tm->tm_get = tlp_sia_get; 4754 tm->tm_set = tlp_sia_set; 4755 4756 /* First is the media type code. */ 4757 tsti = tlp_srom_to_ifmedia(cp[0] & 4758 TULIP_ROM_MB_MEDIA_CODE); 4759 if (tsti == NULL) { 4760 /* Invalid media code. */ 4761 free(tm, M_DEVBUF); 4762 break; 4763 } 4764 4765 /* Get defaults. */ 4766 tlp_srom_media_info(sc, tsti, tm); 4767 4768 /* 4769 * Override our default SIA settings if the 4770 * SROM contains its own. 4771 */ 4772 if (cp[0] & 0x40) { 4773 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4774 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4775 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4776 cp += 7; 4777 } else 4778 cp++; 4779 4780 /* Next is GPIO control/data. */ 4781 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4782 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4783 4784 ifmedia_add(&sc->sc_mii.mii_media, 4785 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4786 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4787 break; 4788 4789 case TULIP_ROM_MB_21142_MII: 4790 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4791 4792 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4793 4794 tm->tm_type = TULIP_ROM_MB_21142_MII; 4795 tm->tm_get = tlp_mii_getmedia; 4796 tm->tm_set = tlp_mii_setmedia; 4797 tm->tm_opmode = OPMODE_PS; 4798 4799 if (sc->sc_reset == NULL) 4800 sc->sc_reset = tlp_21142_reset; 4801 4802 /* First is the PHY number. */ 4803 tm->tm_phyno = *cp++; 4804 4805 /* Next is the MII select sequence length and offset. */ 4806 tm->tm_gp_length = *cp++; 4807 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4808 cp += tm->tm_gp_length * 2; 4809 4810 /* Next is the MII reset sequence length and offset. */ 4811 tm->tm_reset_length = *cp++; 4812 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4813 cp += tm->tm_reset_length * 2; 4814 4815 /* 4816 * The following items are left in the media block 4817 * that we don't particularly care about: 4818 * 4819 * capabilities W 4820 * advertisement W 4821 * full duplex W 4822 * tx threshold W 4823 * MII interrupt W 4824 * 4825 * These appear to be bits in the PHY registers, 4826 * which our MII code handles on its own. 4827 */ 4828 4829 /* 4830 * Before we probe the MII bus, we need to reset 4831 * it and issue the selection sequence. 4832 */ 4833 4834 cp = &sc->sc_srom[tm->tm_reset_offset]; 4835 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4836 delay(10); 4837 TULIP_WRITE(sc, CSR_SIAGEN, 4838 TULIP_ROM_GETW(cp, 0) << 16); 4839 } 4840 4841 cp = &sc->sc_srom[tm->tm_gp_offset]; 4842 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4843 delay(10); 4844 TULIP_WRITE(sc, CSR_SIAGEN, 4845 TULIP_ROM_GETW(cp, 0) << 16); 4846 } 4847 4848 /* If there were no sequences, just lower the pins. */ 4849 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4850 delay(10); 4851 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4852 } 4853 4854 /* 4855 * Now, probe the MII for the PHY. Note, we know 4856 * the location of the PHY on the bus, but we don't 4857 * particularly care; the MII code just likes to 4858 * search the whole thing anyhow. 4859 */ 4860 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4861 MII_PHY_ANY, tm->tm_phyno, 0); 4862 4863 /* 4864 * Now, search for the PHY we hopefully just 4865 * configured. If it's not configured into the 4866 * kernel, we lose. The PHY's default media always 4867 * takes priority. 4868 */ 4869 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4870 phy != NULL; 4871 phy = LIST_NEXT(phy, mii_list)) 4872 if (phy->mii_offset == tm->tm_phyno) 4873 break; 4874 if (phy == NULL) { 4875 printf("%s: unable to configure MII\n", 4876 sc->sc_dev.dv_xname); 4877 break; 4878 } 4879 4880 sc->sc_flags |= TULIPF_HAS_MII; 4881 sc->sc_tick = tlp_mii_tick; 4882 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4883 phy->mii_inst); 4884 4885 /* 4886 * Okay, now that we've found the PHY and the MII 4887 * layer has added all of the media associated 4888 * with that PHY, we need to traverse the media 4889 * list, and add our `tm' to each entry's `aux' 4890 * pointer. 4891 * 4892 * We do this by looking for media with our 4893 * PHY's `instance'. 4894 */ 4895 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4896 ife != NULL; 4897 ife = TAILQ_NEXT(ife, ifm_list)) { 4898 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4899 continue; 4900 ife->ifm_aux = tm; 4901 } 4902 break; 4903 4904 case TULIP_ROM_MB_21143_SYM: 4905 tlp_get_minst(sc); 4906 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4907 4908 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4909 4910 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4911 tm->tm_get = tlp_sia_get; 4912 tm->tm_set = tlp_sia_set; 4913 4914 /* First is the media type code. */ 4915 tsti = tlp_srom_to_ifmedia(cp[0] & 4916 TULIP_ROM_MB_MEDIA_CODE); 4917 if (tsti == NULL) { 4918 /* Invalid media code. */ 4919 free(tm, M_DEVBUF); 4920 break; 4921 } 4922 4923 /* Get defaults. */ 4924 tlp_srom_media_info(sc, tsti, tm); 4925 4926 /* Next is GPIO control/data. */ 4927 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 4928 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 4929 4930 /* 4931 * Next is a word containing OPMODE information 4932 * and info on how to detect if this media is 4933 * active. 4934 */ 4935 word = TULIP_ROM_GETW(cp, 5); 4936 tm->tm_opmode &= OPMODE_FD; 4937 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4938 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4939 tm->tm_actmask = 4940 TULIP_ROM_MB_BITPOS(word); 4941 tm->tm_actdata = 4942 (word & TULIP_ROM_MB_POLARITY) ? 4943 0 : tm->tm_actmask; 4944 } 4945 4946 ifmedia_add(&sc->sc_mii.mii_media, 4947 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4948 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4949 break; 4950 4951 case TULIP_ROM_MB_21143_RESET: 4952 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4953 break; 4954 4955 default: 4956 printf("%s: unknown ISV media block type 0x%02x\n", 4957 sc->sc_dev.dv_xname, type); 4958 } 4959 } 4960 4961 /* 4962 * Deal with the case where no media is configured. 4963 */ 4964 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4965 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4966 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4967 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4968 return; 4969 } 4970 4971 /* 4972 * Pick the default media. 4973 */ 4974 if (miidef != 0) 4975 defmedia = miidef; 4976 else { 4977 switch (sc->sc_chip) { 4978 case TULIP_CHIP_21140: 4979 case TULIP_CHIP_21140A: 4980 /* XXX should come from SROM */ 4981 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4982 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 4983 sc->sc_mii.mii_media.ifm_mask) == NULL) { 4984 /* 4985 * There is not a 10baseT media. 4986 * Fall back to the first found one. 4987 */ 4988 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4989 defmedia = ife->ifm_media; 4990 } 4991 break; 4992 4993 case TULIP_CHIP_21142: 4994 case TULIP_CHIP_21143: 4995 case TULIP_CHIP_MX98713A: 4996 case TULIP_CHIP_MX98715: 4997 case TULIP_CHIP_MX98715A: 4998 case TULIP_CHIP_MX98715AEC_X: 4999 case TULIP_CHIP_MX98725: 5000 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5001 tm->tm_name = "auto"; 5002 tm->tm_get = tlp_2114x_nway_get; 5003 tm->tm_set = tlp_2114x_nway_set; 5004 5005 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5006 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5007 5008 sc->sc_statchg = tlp_2114x_nway_statchg; 5009 sc->sc_tick = tlp_2114x_nway_tick; 5010 break; 5011 5012 default: 5013 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5014 break; 5015 } 5016 } 5017 5018 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5019 5020 /* 5021 * Display any non-MII media we've located. 5022 */ 5023 if (sc->sc_media_seen & 5024 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5025 tlp_print_media(sc); 5026 5027 tlp_sia_fixup(sc); 5028 } 5029 5030 void 5031 tlp_2114x_nway_get(sc, ifmr) 5032 struct tulip_softc *sc; 5033 struct ifmediareq *ifmr; 5034 { 5035 5036 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5037 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5038 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5039 } 5040 5041 int 5042 tlp_2114x_nway_set(sc) 5043 struct tulip_softc *sc; 5044 { 5045 5046 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5047 } 5048 5049 void 5050 tlp_2114x_nway_statchg(self) 5051 struct device *self; 5052 { 5053 struct tulip_softc *sc = (struct tulip_softc *)self; 5054 struct mii_data *mii = &sc->sc_mii; 5055 struct ifmedia_entry *ife; 5056 5057 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5058 return; 5059 5060 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5061 mii->mii_media.ifm_mask)) == NULL) { 5062 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5063 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5064 panic("tlp_2114x_nway_statchg"); 5065 } 5066 5067 tlp_sia_media(sc, ife); 5068 } 5069 5070 void 5071 tlp_2114x_nway_tick(arg) 5072 void *arg; 5073 { 5074 struct tulip_softc *sc = arg; 5075 struct mii_data *mii = &sc->sc_mii; 5076 int s, ticks; 5077 5078 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5079 return; 5080 5081 s = splnet(); 5082 tlp_2114x_nway_service(sc, MII_TICK); 5083 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5084 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5085 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5086 sc->sc_flags |= TULIPF_LINK_UP; 5087 tlp_start(&sc->sc_ethercom.ec_if); 5088 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5089 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5090 sc->sc_flags &= ~TULIPF_LINK_UP; 5091 } 5092 splx(s); 5093 5094 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5095 ticks = hz >> 3; 5096 else 5097 ticks = hz; 5098 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5099 } 5100 5101 /* 5102 * Support for the 2114X internal NWay block. This is constructed 5103 * somewhat like a PHY driver for simplicity. 5104 */ 5105 5106 int 5107 tlp_2114x_nway_service(sc, cmd) 5108 struct tulip_softc *sc; 5109 int cmd; 5110 { 5111 struct mii_data *mii = &sc->sc_mii; 5112 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5113 5114 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5115 return (0); 5116 5117 switch (cmd) { 5118 case MII_POLLSTAT: 5119 /* Nothing special to do here. */ 5120 break; 5121 5122 case MII_MEDIACHG: 5123 switch (IFM_SUBTYPE(ife->ifm_media)) { 5124 case IFM_AUTO: 5125 goto restart; 5126 default: 5127 /* Manual setting doesn't go through here. */ 5128 printf("tlp_2114x_nway_service: oops!\n"); 5129 return (EINVAL); 5130 } 5131 break; 5132 5133 case MII_TICK: 5134 /* 5135 * Only used for autonegotiation. 5136 */ 5137 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5138 break; 5139 5140 /* 5141 * Check to see if we have link. If we do, we don't 5142 * need to restart the autonegotiation process. 5143 */ 5144 #if 0 5145 if (mii->mii_media_status & IFM_ACTIVE) 5146 #else 5147 if (sc->sc_flags & TULIPF_LINK_UP) 5148 #endif 5149 break; 5150 5151 /* 5152 * Only retry autonegotiation every 5 seconds. 5153 */ 5154 if (++sc->sc_nway_ticks != (5 << 3)) 5155 break; 5156 5157 restart: 5158 sc->sc_nway_ticks = 0; 5159 ife->ifm_data = IFM_NONE; 5160 tlp_2114x_nway_auto(sc); 5161 break; 5162 } 5163 5164 /* Update the media status. */ 5165 tlp_2114x_nway_status(sc); 5166 5167 /* 5168 * Callback if something changed. Manually configuration goes through 5169 * tlp_sia_set() anyway, so ignore that here. 5170 */ 5171 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5172 ife->ifm_data != mii->mii_media_active) { 5173 (*sc->sc_statchg)(&sc->sc_dev); 5174 ife->ifm_data = mii->mii_media_active; 5175 } 5176 return (0); 5177 } 5178 5179 void 5180 tlp_2114x_nway_auto(sc) 5181 struct tulip_softc *sc; 5182 { 5183 uint32_t siastat, siatxrx; 5184 5185 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5186 5187 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5188 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5189 siatxrx = 0xffbf; /* XXX magic number */ 5190 5191 /* Compute the link code word to advertise. */ 5192 if (sc->sc_sia_cap & BMSR_100T4) 5193 siatxrx |= SIATXRX_T4; 5194 if (sc->sc_sia_cap & BMSR_100TXFDX) 5195 siatxrx |= SIATXRX_TXF; 5196 if (sc->sc_sia_cap & BMSR_100TXHDX) 5197 siatxrx |= SIATXRX_THX; 5198 if (sc->sc_sia_cap & BMSR_10TFDX) 5199 sc->sc_opmode |= OPMODE_FD; 5200 if (sc->sc_sia_cap & BMSR_10THDX) 5201 siatxrx |= SIATXRX_TH; 5202 5203 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5204 5205 TULIP_WRITE(sc, CSR_SIACONN, 0); 5206 delay(1000); 5207 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5208 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5209 5210 siastat = TULIP_READ(sc, CSR_SIASTAT); 5211 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5212 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5213 siastat |= SIASTAT_ANS_TXDIS; 5214 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5215 } 5216 5217 void 5218 tlp_2114x_nway_status(sc) 5219 struct tulip_softc *sc; 5220 { 5221 struct mii_data *mii = &sc->sc_mii; 5222 uint32_t siatxrx, siastat, anlpar; 5223 5224 mii->mii_media_status = IFM_AVALID; 5225 mii->mii_media_active = IFM_ETHER; 5226 5227 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5228 return; 5229 5230 siastat = TULIP_READ(sc, CSR_SIASTAT); 5231 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5232 5233 if (siatxrx & SIATXRX_ANE) { 5234 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5235 /* Erg, still trying, I guess... */ 5236 mii->mii_media_active |= IFM_NONE; 5237 return; 5238 } 5239 5240 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5241 mii->mii_media_status |= IFM_ACTIVE; 5242 5243 if (siastat & SIASTAT_LPN) { 5244 anlpar = SIASTAT_GETLPC(siastat); 5245 if (anlpar & ANLPAR_T4 && 5246 sc->sc_sia_cap & BMSR_100T4) 5247 mii->mii_media_active |= IFM_100_T4; 5248 else if (anlpar & ANLPAR_TX_FD && 5249 sc->sc_sia_cap & BMSR_100TXFDX) 5250 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5251 else if (anlpar & ANLPAR_TX && 5252 sc->sc_sia_cap & BMSR_100TXHDX) 5253 mii->mii_media_active |= IFM_100_TX; 5254 else if (anlpar & ANLPAR_10_FD && 5255 sc->sc_sia_cap & BMSR_10TFDX) 5256 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5257 else if (anlpar & ANLPAR_10 && 5258 sc->sc_sia_cap & BMSR_10THDX) 5259 mii->mii_media_active |= IFM_10_T; 5260 else 5261 mii->mii_media_active |= IFM_NONE; 5262 } else { 5263 /* 5264 * If the other side doesn't support NWAY, then the 5265 * best we can do is determine if we have a 10Mbps or 5266 * 100Mbps link. There's no way to know if the link 5267 * is full or half duplex, so we default to half duplex 5268 * and hope that the user is clever enough to manually 5269 * change the media settings if we're wrong. 5270 */ 5271 if ((siastat & SIASTAT_LS100) == 0) 5272 mii->mii_media_active |= IFM_100_TX; 5273 else if ((siastat & SIASTAT_LS10) == 0) 5274 mii->mii_media_active |= IFM_10_T; 5275 else 5276 mii->mii_media_active |= IFM_NONE; 5277 } 5278 } else { 5279 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5280 mii->mii_media_status |= IFM_ACTIVE; 5281 5282 if (sc->sc_opmode & OPMODE_TTM) 5283 mii->mii_media_active |= IFM_10_T; 5284 else 5285 mii->mii_media_active |= IFM_100_TX; 5286 if (sc->sc_opmode & OPMODE_FD) 5287 mii->mii_media_active |= IFM_FDX; 5288 } 5289 } 5290 5291 void 5292 tlp_2114x_isv_tmsw_get(sc, ifmr) 5293 struct tulip_softc *sc; 5294 struct ifmediareq *ifmr; 5295 { 5296 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5297 struct tulip_21x4x_media *tm = ife->ifm_aux; 5298 5299 (*tm->tm_get)(sc, ifmr); 5300 } 5301 5302 int 5303 tlp_2114x_isv_tmsw_set(sc) 5304 struct tulip_softc *sc; 5305 { 5306 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5307 struct tulip_21x4x_media *tm = ife->ifm_aux; 5308 5309 /* 5310 * Check to see if we need to reset the chip, and do it. The 5311 * reset path will get the OPMODE register right the next 5312 * time through. 5313 */ 5314 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5315 return (tlp_init(&sc->sc_ethercom.ec_if)); 5316 5317 return ((*tm->tm_set)(sc)); 5318 } 5319 5320 /* 5321 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5322 */ 5323 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5324 5325 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5326 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5327 }; 5328 5329 void 5330 tlp_sio_mii_tmsw_init(sc) 5331 struct tulip_softc *sc; 5332 { 5333 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5334 5335 /* 5336 * We don't attach any media info structures to the ifmedia 5337 * entries, so if we're using a pre-init function that needs 5338 * that info, override it to one that doesn't. 5339 */ 5340 if (sc->sc_preinit == tlp_2114x_preinit) 5341 sc->sc_preinit = tlp_2114x_mii_preinit; 5342 5343 sc->sc_mii.mii_ifp = ifp; 5344 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5345 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5346 sc->sc_mii.mii_statchg = sc->sc_statchg; 5347 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5348 tlp_mediastatus); 5349 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5350 MII_OFFSET_ANY, 0); 5351 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5352 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5353 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5354 } else { 5355 sc->sc_flags |= TULIPF_HAS_MII; 5356 sc->sc_tick = tlp_mii_tick; 5357 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5358 } 5359 } 5360 5361 /* 5362 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5363 */ 5364 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5365 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5366 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5367 5368 const struct tulip_mediasw tlp_pnic_mediasw = { 5369 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5370 }; 5371 5372 void tlp_pnic_nway_statchg __P((struct device *)); 5373 void tlp_pnic_nway_tick __P((void *)); 5374 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5375 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5376 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5377 void tlp_pnic_nway_auto_timeout __P((void *)); 5378 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5379 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5380 5381 void 5382 tlp_pnic_tmsw_init(sc) 5383 struct tulip_softc *sc; 5384 { 5385 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5386 const char *sep = ""; 5387 5388 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5389 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5390 5391 sc->sc_mii.mii_ifp = ifp; 5392 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5393 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5394 sc->sc_mii.mii_statchg = sc->sc_statchg; 5395 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5396 tlp_mediastatus); 5397 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5398 MII_OFFSET_ANY, 0); 5399 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5400 /* XXX What about AUI/BNC support? */ 5401 printf("%s: ", sc->sc_dev.dv_xname); 5402 5403 tlp_pnic_nway_reset(sc); 5404 5405 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5406 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5407 PRINT("10baseT"); 5408 5409 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5410 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5411 PRINT("10baseT-FDX"); 5412 5413 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5414 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5415 PRINT("100baseTX"); 5416 5417 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5418 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5419 PNIC_NWAY_CAP100TXFDX); 5420 PRINT("100baseTX-FDX"); 5421 5422 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5423 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5424 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5425 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5426 PRINT("auto"); 5427 5428 printf("\n"); 5429 5430 sc->sc_statchg = tlp_pnic_nway_statchg; 5431 sc->sc_tick = tlp_pnic_nway_tick; 5432 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5433 } else { 5434 sc->sc_flags |= TULIPF_HAS_MII; 5435 sc->sc_tick = tlp_mii_tick; 5436 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5437 } 5438 5439 #undef ADD 5440 #undef PRINT 5441 } 5442 5443 void 5444 tlp_pnic_tmsw_get(sc, ifmr) 5445 struct tulip_softc *sc; 5446 struct ifmediareq *ifmr; 5447 { 5448 struct mii_data *mii = &sc->sc_mii; 5449 5450 if (sc->sc_flags & TULIPF_HAS_MII) 5451 tlp_mii_getmedia(sc, ifmr); 5452 else { 5453 mii->mii_media_status = 0; 5454 mii->mii_media_active = IFM_NONE; 5455 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5456 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5457 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5458 } 5459 } 5460 5461 int 5462 tlp_pnic_tmsw_set(sc) 5463 struct tulip_softc *sc; 5464 { 5465 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5466 struct mii_data *mii = &sc->sc_mii; 5467 5468 if (sc->sc_flags & TULIPF_HAS_MII) { 5469 /* 5470 * Make sure the built-in Tx jabber timer is disabled. 5471 */ 5472 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5473 5474 return (tlp_mii_setmedia(sc)); 5475 } 5476 5477 if (ifp->if_flags & IFF_UP) { 5478 mii->mii_media_status = 0; 5479 mii->mii_media_active = IFM_NONE; 5480 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5481 } 5482 5483 return (0); 5484 } 5485 5486 void 5487 tlp_pnic_nway_statchg(self) 5488 struct device *self; 5489 { 5490 struct tulip_softc *sc = (struct tulip_softc *)self; 5491 5492 /* Idle the transmit and receive processes. */ 5493 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5494 5495 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5496 OPMODE_SCR|OPMODE_HBD); 5497 5498 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5499 sc->sc_opmode |= OPMODE_TTM; 5500 TULIP_WRITE(sc, CSR_GPP, 5501 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5502 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5503 } else { 5504 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5505 TULIP_WRITE(sc, CSR_GPP, 5506 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5507 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5508 } 5509 5510 if (sc->sc_mii.mii_media_active & IFM_FDX) 5511 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5512 5513 /* 5514 * Write new OPMODE bits. This also restarts the transmit 5515 * and receive processes. 5516 */ 5517 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5518 } 5519 5520 void 5521 tlp_pnic_nway_tick(arg) 5522 void *arg; 5523 { 5524 struct tulip_softc *sc = arg; 5525 int s; 5526 5527 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5528 return; 5529 5530 s = splnet(); 5531 tlp_pnic_nway_service(sc, MII_TICK); 5532 splx(s); 5533 5534 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5535 } 5536 5537 /* 5538 * Support for the Lite-On PNIC internal NWay block. This is constructed 5539 * somewhat like a PHY driver for simplicity. 5540 */ 5541 5542 int 5543 tlp_pnic_nway_service(sc, cmd) 5544 struct tulip_softc *sc; 5545 int cmd; 5546 { 5547 struct mii_data *mii = &sc->sc_mii; 5548 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5549 5550 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5551 return (0); 5552 5553 switch (cmd) { 5554 case MII_POLLSTAT: 5555 /* Nothing special to do here. */ 5556 break; 5557 5558 case MII_MEDIACHG: 5559 switch (IFM_SUBTYPE(ife->ifm_media)) { 5560 case IFM_AUTO: 5561 (void) tlp_pnic_nway_auto(sc, 1); 5562 break; 5563 case IFM_100_T4: 5564 /* 5565 * XXX Not supported as a manual setting right now. 5566 */ 5567 return (EINVAL); 5568 default: 5569 /* 5570 * NWAY register data is stored in the ifmedia entry. 5571 */ 5572 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5573 } 5574 break; 5575 5576 case MII_TICK: 5577 /* 5578 * Only used for autonegotiation. 5579 */ 5580 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5581 return (0); 5582 5583 /* 5584 * Check to see if we have link. If we do, we don't 5585 * need to restart the autonegotiation process. 5586 */ 5587 if (sc->sc_flags & TULIPF_LINK_UP) 5588 return (0); 5589 5590 /* 5591 * Only retry autonegotiation every 5 seconds. 5592 */ 5593 if (++sc->sc_nway_ticks != 5) 5594 return (0); 5595 5596 sc->sc_nway_ticks = 0; 5597 tlp_pnic_nway_reset(sc); 5598 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5599 return (0); 5600 break; 5601 } 5602 5603 /* Update the media status. */ 5604 tlp_pnic_nway_status(sc); 5605 5606 /* Callback if something changed. */ 5607 if ((sc->sc_nway_active == NULL || 5608 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5609 cmd == MII_MEDIACHG) { 5610 (*sc->sc_statchg)(&sc->sc_dev); 5611 tlp_nway_activate(sc, mii->mii_media_active); 5612 } 5613 return (0); 5614 } 5615 5616 void 5617 tlp_pnic_nway_reset(sc) 5618 struct tulip_softc *sc; 5619 { 5620 5621 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5622 delay(100); 5623 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5624 } 5625 5626 int 5627 tlp_pnic_nway_auto(sc, waitfor) 5628 struct tulip_softc *sc; 5629 int waitfor; 5630 { 5631 struct mii_data *mii = &sc->sc_mii; 5632 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5633 u_int32_t reg; 5634 int i; 5635 5636 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5637 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5638 5639 if (waitfor) { 5640 /* Wait 500ms for it to complete. */ 5641 for (i = 0; i < 500; i++) { 5642 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5643 if (reg & PNIC_NWAY_LPAR_MASK) { 5644 tlp_pnic_nway_acomp(sc); 5645 return (0); 5646 } 5647 delay(1000); 5648 } 5649 #if 0 5650 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5651 printf("%s: autonegotiation failed to complete\n", 5652 sc->sc_dev.dv_xname); 5653 #endif 5654 5655 /* 5656 * Don't need to worry about clearing DOINGAUTO. 5657 * If that's set, a timeout is pending, and it will 5658 * clear the flag. 5659 */ 5660 return (EIO); 5661 } 5662 5663 /* 5664 * Just let it finish asynchronously. This is for the benefit of 5665 * the tick handler driving autonegotiation. Don't want 500ms 5666 * delays all the time while the system is running! 5667 */ 5668 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5669 sc->sc_flags |= TULIPF_DOINGAUTO; 5670 callout_reset(&sc->sc_nway_callout, hz >> 1, 5671 tlp_pnic_nway_auto_timeout, sc); 5672 } 5673 return (EJUSTRETURN); 5674 } 5675 5676 void 5677 tlp_pnic_nway_auto_timeout(arg) 5678 void *arg; 5679 { 5680 struct tulip_softc *sc = arg; 5681 u_int32_t reg; 5682 int s; 5683 5684 s = splnet(); 5685 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5686 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5687 #if 0 5688 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5689 printf("%s: autonegotiation failed to complete\n", 5690 sc->sc_dev.dv_xname); 5691 #endif 5692 5693 tlp_pnic_nway_acomp(sc); 5694 5695 /* Update the media status. */ 5696 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5697 splx(s); 5698 } 5699 5700 void 5701 tlp_pnic_nway_status(sc) 5702 struct tulip_softc *sc; 5703 { 5704 struct mii_data *mii = &sc->sc_mii; 5705 u_int32_t reg; 5706 5707 mii->mii_media_status = IFM_AVALID; 5708 mii->mii_media_active = IFM_ETHER; 5709 5710 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5711 5712 if (sc->sc_flags & TULIPF_LINK_UP) 5713 mii->mii_media_status |= IFM_ACTIVE; 5714 5715 if (reg & PNIC_NWAY_NW) { 5716 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5717 /* Erg, still trying, I guess... */ 5718 mii->mii_media_active |= IFM_NONE; 5719 return; 5720 } 5721 5722 #if 0 5723 if (reg & PNIC_NWAY_LPAR100T4) 5724 mii->mii_media_active |= IFM_100_T4; 5725 else 5726 #endif 5727 if (reg & PNIC_NWAY_LPAR100TXFDX) 5728 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5729 else if (reg & PNIC_NWAY_LPAR100TX) 5730 mii->mii_media_active |= IFM_100_TX; 5731 else if (reg & PNIC_NWAY_LPAR10TFDX) 5732 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5733 else if (reg & PNIC_NWAY_LPAR10T) 5734 mii->mii_media_active |= IFM_10_T; 5735 else 5736 mii->mii_media_active |= IFM_NONE; 5737 } else { 5738 if (reg & PNIC_NWAY_100) 5739 mii->mii_media_active |= IFM_100_TX; 5740 else 5741 mii->mii_media_active |= IFM_10_T; 5742 if (reg & PNIC_NWAY_FD) 5743 mii->mii_media_active |= IFM_FDX; 5744 } 5745 } 5746 5747 void 5748 tlp_pnic_nway_acomp(sc) 5749 struct tulip_softc *sc; 5750 { 5751 u_int32_t reg; 5752 5753 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5754 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5755 5756 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5757 reg |= PNIC_NWAY_100; 5758 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5759 reg |= PNIC_NWAY_FD; 5760 5761 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5762 } 5763 5764 /* 5765 * Macronix PMAC and Lite-On PNIC-II media switch: 5766 * 5767 * MX98713 and MX98713A 21140-like MII or GPIO media. 5768 * 5769 * MX98713A 21143-like MII or SIA/SYM media. 5770 * 5771 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5772 * 82C115, MX98715AEC-C, -E 5773 * 5774 * So, what we do here is fake MII-on-SIO or ISV media info, and 5775 * use the ISV media switch get/set functions to handle the rest. 5776 */ 5777 5778 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5779 5780 const struct tulip_mediasw tlp_pmac_mediasw = { 5781 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5782 }; 5783 5784 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5785 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5786 }; 5787 5788 void 5789 tlp_pmac_tmsw_init(sc) 5790 struct tulip_softc *sc; 5791 { 5792 static const u_int8_t media[] = { 5793 TULIP_ROM_MB_MEDIA_TP, 5794 TULIP_ROM_MB_MEDIA_TP_FDX, 5795 TULIP_ROM_MB_MEDIA_100TX, 5796 TULIP_ROM_MB_MEDIA_100TX_FDX, 5797 }; 5798 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5799 struct tulip_21x4x_media *tm; 5800 5801 sc->sc_mii.mii_ifp = ifp; 5802 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5803 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5804 sc->sc_mii.mii_statchg = sc->sc_statchg; 5805 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5806 tlp_mediastatus); 5807 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5808 sc->sc_chip == TULIP_CHIP_MX98713A) { 5809 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5810 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5811 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5812 sc->sc_flags |= TULIPF_HAS_MII; 5813 sc->sc_tick = tlp_mii_tick; 5814 sc->sc_preinit = tlp_2114x_mii_preinit; 5815 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5816 ifmedia_set(&sc->sc_mii.mii_media, 5817 IFM_ETHER|IFM_AUTO); 5818 return; 5819 } 5820 } 5821 5822 switch (sc->sc_chip) { 5823 case TULIP_CHIP_MX98713: 5824 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5825 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5826 5827 /* 5828 * XXX Should implement auto-sense for this someday, 5829 * XXX when we do the same for the 21140. 5830 */ 5831 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5832 break; 5833 5834 default: 5835 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5836 tlp_sia_get, tlp_sia_set, media, 2); 5837 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5838 tlp_sia_get, tlp_sia_set, media + 2, 2); 5839 5840 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5841 tm->tm_name = "auto"; 5842 tm->tm_get = tlp_2114x_nway_get; 5843 tm->tm_set = tlp_2114x_nway_set; 5844 ifmedia_add(&sc->sc_mii.mii_media, 5845 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5846 5847 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5848 sc->sc_statchg = tlp_2114x_nway_statchg; 5849 sc->sc_tick = tlp_2114x_nway_tick; 5850 break; 5851 } 5852 5853 tlp_print_media(sc); 5854 tlp_sia_fixup(sc); 5855 5856 /* Set the LED modes. */ 5857 tlp_pmac_reset(sc); 5858 5859 sc->sc_reset = tlp_pmac_reset; 5860 } 5861 5862 /* 5863 * ADMtek AL981 media switch. Only has internal PHY. 5864 */ 5865 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5866 5867 const struct tulip_mediasw tlp_al981_mediasw = { 5868 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5869 }; 5870 5871 void 5872 tlp_al981_tmsw_init(sc) 5873 struct tulip_softc *sc; 5874 { 5875 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5876 5877 sc->sc_mii.mii_ifp = ifp; 5878 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5879 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5880 sc->sc_mii.mii_statchg = sc->sc_statchg; 5881 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5882 tlp_mediastatus); 5883 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5884 MII_OFFSET_ANY, 0); 5885 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5886 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5887 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5888 } else { 5889 sc->sc_flags |= TULIPF_HAS_MII; 5890 sc->sc_tick = tlp_mii_tick; 5891 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5892 } 5893 } 5894 5895 /* 5896 * ADMtek AN983/985 media switch. Only has internal PHY, but 5897 * on an SIO-like interface. Unfortunately, we can't use the 5898 * standard SIO media switch, because the AN985 "ghosts" the 5899 * singly PHY at every address. 5900 */ 5901 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5902 5903 const struct tulip_mediasw tlp_an985_mediasw = { 5904 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5905 }; 5906 5907 void 5908 tlp_an985_tmsw_init(sc) 5909 struct tulip_softc *sc; 5910 { 5911 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5912 5913 sc->sc_mii.mii_ifp = ifp; 5914 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5915 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5916 sc->sc_mii.mii_statchg = sc->sc_statchg; 5917 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5918 tlp_mediastatus); 5919 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5920 MII_OFFSET_ANY, 0); 5921 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5922 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5923 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5924 } else { 5925 sc->sc_flags |= TULIPF_HAS_MII; 5926 sc->sc_tick = tlp_mii_tick; 5927 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5928 } 5929 } 5930 5931 /* 5932 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5933 */ 5934 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5935 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5936 struct ifmediareq *)); 5937 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5938 5939 const struct tulip_mediasw tlp_dm9102_mediasw = { 5940 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5941 tlp_dm9102_tmsw_setmedia 5942 }; 5943 5944 void 5945 tlp_dm9102_tmsw_init(sc) 5946 struct tulip_softc *sc; 5947 { 5948 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5949 u_int32_t opmode; 5950 5951 sc->sc_mii.mii_ifp = ifp; 5952 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5953 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5954 sc->sc_mii.mii_statchg = sc->sc_statchg; 5955 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5956 tlp_mediastatus); 5957 5958 /* PHY block already reset via tlp_reset(). */ 5959 5960 /* 5961 * Configure OPMODE properly for the internal MII interface. 5962 */ 5963 switch (sc->sc_chip) { 5964 case TULIP_CHIP_DM9102: 5965 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5966 break; 5967 5968 case TULIP_CHIP_DM9102A: 5969 opmode = OPMODE_MBO|OPMODE_HBD; 5970 break; 5971 5972 default: 5973 /* Nothing. */ 5974 break; 5975 } 5976 5977 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5978 5979 /* Now, probe the internal MII for the internal PHY. */ 5980 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5981 MII_OFFSET_ANY, 0); 5982 5983 /* 5984 * XXX Figure out what to do about the HomePNA portion 5985 * XXX of the DM9102A. 5986 */ 5987 5988 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5989 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5990 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5991 } else { 5992 sc->sc_flags |= TULIPF_HAS_MII; 5993 sc->sc_tick = tlp_mii_tick; 5994 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5995 } 5996 } 5997 5998 void 5999 tlp_dm9102_tmsw_getmedia(sc, ifmr) 6000 struct tulip_softc *sc; 6001 struct ifmediareq *ifmr; 6002 { 6003 6004 /* XXX HomePNA on DM9102A. */ 6005 tlp_mii_getmedia(sc, ifmr); 6006 } 6007 6008 int 6009 tlp_dm9102_tmsw_setmedia(sc) 6010 struct tulip_softc *sc; 6011 { 6012 6013 /* XXX HomePNA on DM9102A. */ 6014 return (tlp_mii_setmedia(sc)); 6015 } 6016
Indexes created Thu Sep 25 06:09:39 GMT 2025