1 /* $NetBSD: tulip.c,v 1.126 2003/12/18 18:39:36 thorpej 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 1.126 2003/12/18 18:39:36 thorpej 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 * Check to see if we're the simulated Ethernet on Connectix 486 * Virtual PC. 487 */ 488 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) 489 sc->sc_flags |= TULIPF_VPC; 490 491 /* 492 * Initialize our media structures. This may probe the MII, if 493 * present. 494 */ 495 (*sc->sc_mediasw->tmsw_init)(sc); 496 497 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 498 ifp->if_softc = sc; 499 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 500 ifp->if_ioctl = tlp_ioctl; 501 ifp->if_start = tlp_start; 502 ifp->if_watchdog = tlp_watchdog; 503 ifp->if_init = tlp_init; 504 ifp->if_stop = tlp_stop; 505 IFQ_SET_READY(&ifp->if_snd); 506 507 /* 508 * We can support 802.1Q VLAN-sized frames. 509 */ 510 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 511 512 /* 513 * Attach the interface. 514 */ 515 if_attach(ifp); 516 ether_ifattach(ifp, enaddr); 517 #if NRND > 0 518 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 519 RND_TYPE_NET, 0); 520 #endif 521 522 /* 523 * Make sure the interface is shutdown during reboot. 524 */ 525 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 526 if (sc->sc_sdhook == NULL) 527 printf("%s: WARNING: unable to establish shutdown hook\n", 528 sc->sc_dev.dv_xname); 529 530 /* 531 * Add a suspend hook to make sure we come back up after a 532 * resume. 533 */ 534 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 535 if (sc->sc_powerhook == NULL) 536 printf("%s: WARNING: unable to establish power hook\n", 537 sc->sc_dev.dv_xname); 538 return; 539 540 /* 541 * Free any resources we've allocated during the failed attach 542 * attempt. Do this in reverse order and fall through. 543 */ 544 fail_5: 545 for (i = 0; i < TULIP_NRXDESC; i++) { 546 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 547 bus_dmamap_destroy(sc->sc_dmat, 548 sc->sc_rxsoft[i].rxs_dmamap); 549 } 550 fail_4: 551 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 552 if (sc->sc_txsoft[i].txs_dmamap != NULL) 553 bus_dmamap_destroy(sc->sc_dmat, 554 sc->sc_txsoft[i].txs_dmamap); 555 } 556 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 557 fail_3: 558 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 559 fail_2: 560 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 561 sizeof(struct tulip_control_data)); 562 fail_1: 563 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 564 fail_0: 565 return; 566 } 567 568 /* 569 * tlp_activate: 570 * 571 * Handle device activation/deactivation requests. 572 */ 573 int 574 tlp_activate(self, act) 575 struct device *self; 576 enum devact act; 577 { 578 struct tulip_softc *sc = (void *) self; 579 int s, error = 0; 580 581 s = splnet(); 582 switch (act) { 583 case DVACT_ACTIVATE: 584 error = EOPNOTSUPP; 585 break; 586 587 case DVACT_DEACTIVATE: 588 if (sc->sc_flags & TULIPF_HAS_MII) 589 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 590 MII_OFFSET_ANY); 591 if_deactivate(&sc->sc_ethercom.ec_if); 592 break; 593 } 594 splx(s); 595 596 return (error); 597 } 598 599 /* 600 * tlp_detach: 601 * 602 * Detach a Tulip interface. 603 */ 604 int 605 tlp_detach(sc) 606 struct tulip_softc *sc; 607 { 608 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 609 struct tulip_rxsoft *rxs; 610 struct tulip_txsoft *txs; 611 int i; 612 613 /* 614 * Succeed now if there isn't any work to do. 615 */ 616 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 617 return (0); 618 619 /* Unhook our tick handler. */ 620 if (sc->sc_tick) 621 callout_stop(&sc->sc_tick_callout); 622 623 if (sc->sc_flags & TULIPF_HAS_MII) { 624 /* Detach all PHYs */ 625 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 626 } 627 628 /* Delete all remaining media. */ 629 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 630 631 #if NRND > 0 632 rnd_detach_source(&sc->sc_rnd_source); 633 #endif 634 ether_ifdetach(ifp); 635 if_detach(ifp); 636 637 for (i = 0; i < TULIP_NRXDESC; i++) { 638 rxs = &sc->sc_rxsoft[i]; 639 if (rxs->rxs_mbuf != NULL) { 640 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 641 m_freem(rxs->rxs_mbuf); 642 rxs->rxs_mbuf = NULL; 643 } 644 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 645 } 646 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 647 txs = &sc->sc_txsoft[i]; 648 if (txs->txs_mbuf != NULL) { 649 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 650 m_freem(txs->txs_mbuf); 651 txs->txs_mbuf = NULL; 652 } 653 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 654 } 655 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 656 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 657 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 658 sizeof(struct tulip_control_data)); 659 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 660 661 shutdownhook_disestablish(sc->sc_sdhook); 662 powerhook_disestablish(sc->sc_powerhook); 663 664 if (sc->sc_srom) 665 free(sc->sc_srom, M_DEVBUF); 666 667 return (0); 668 } 669 670 /* 671 * tlp_shutdown: 672 * 673 * Make sure the interface is stopped at reboot time. 674 */ 675 void 676 tlp_shutdown(arg) 677 void *arg; 678 { 679 struct tulip_softc *sc = arg; 680 681 tlp_stop(&sc->sc_ethercom.ec_if, 1); 682 } 683 684 /* 685 * tlp_start: [ifnet interface function] 686 * 687 * Start packet transmission on the interface. 688 */ 689 void 690 tlp_start(ifp) 691 struct ifnet *ifp; 692 { 693 struct tulip_softc *sc = ifp->if_softc; 694 struct mbuf *m0, *m; 695 struct tulip_txsoft *txs, *last_txs = NULL; 696 bus_dmamap_t dmamap; 697 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 698 699 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 700 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 701 702 /* 703 * If we want a filter setup, it means no more descriptors were 704 * available for the setup routine. Let it get a chance to wedge 705 * itself into the ring. 706 */ 707 if (sc->sc_flags & TULIPF_WANT_SETUP) 708 ifp->if_flags |= IFF_OACTIVE; 709 710 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 711 return; 712 713 if (sc->sc_tick == tlp_2114x_nway_tick && 714 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 715 return; 716 717 /* 718 * Remember the previous number of free descriptors and 719 * the first descriptor we'll use. 720 */ 721 ofree = sc->sc_txfree; 722 firsttx = sc->sc_txnext; 723 724 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 725 sc->sc_dev.dv_xname, ofree, firsttx)); 726 727 /* 728 * Loop through the send queue, setting up transmit descriptors 729 * until we drain the queue, or use up all available transmit 730 * descriptors. 731 */ 732 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 733 sc->sc_txfree != 0) { 734 /* 735 * Grab a packet off the queue. 736 */ 737 IFQ_POLL(&ifp->if_snd, m0); 738 if (m0 == NULL) 739 break; 740 m = NULL; 741 742 dmamap = txs->txs_dmamap; 743 744 /* 745 * Load the DMA map. If this fails, the packet either 746 * didn't fit in the alloted number of segments, or we were 747 * short on resources. In this case, we'll copy and try 748 * again. 749 * 750 * Note that if we're only allowed 1 Tx segment, we 751 * have an alignment restriction. Do this test before 752 * attempting to load the DMA map, because it's more 753 * likely we'll trip the alignment test than the 754 * more-than-one-segment test. 755 */ 756 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 757 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 758 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 759 MGETHDR(m, M_DONTWAIT, MT_DATA); 760 if (m == NULL) { 761 printf("%s: unable to allocate Tx mbuf\n", 762 sc->sc_dev.dv_xname); 763 break; 764 } 765 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 766 if (m0->m_pkthdr.len > MHLEN) { 767 MCLGET(m, M_DONTWAIT); 768 if ((m->m_flags & M_EXT) == 0) { 769 printf("%s: unable to allocate Tx " 770 "cluster\n", sc->sc_dev.dv_xname); 771 m_freem(m); 772 break; 773 } 774 } 775 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 776 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 777 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 778 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 779 if (error) { 780 printf("%s: unable to load Tx buffer, " 781 "error = %d\n", sc->sc_dev.dv_xname, error); 782 break; 783 } 784 } 785 786 /* 787 * Ensure we have enough descriptors free to describe 788 * the packet. 789 */ 790 if (dmamap->dm_nsegs > sc->sc_txfree) { 791 /* 792 * Not enough free descriptors to transmit this 793 * packet. We haven't committed to anything yet, 794 * so just unload the DMA map, put the packet 795 * back on the queue, and punt. Notify the upper 796 * layer that there are no more slots left. 797 * 798 * XXX We could allocate an mbuf and copy, but 799 * XXX it is worth it? 800 */ 801 ifp->if_flags |= IFF_OACTIVE; 802 bus_dmamap_unload(sc->sc_dmat, dmamap); 803 if (m != NULL) 804 m_freem(m); 805 break; 806 } 807 808 IFQ_DEQUEUE(&ifp->if_snd, m0); 809 if (m != NULL) { 810 m_freem(m0); 811 m0 = m; 812 } 813 814 /* 815 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 816 */ 817 818 /* Sync the DMA map. */ 819 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 820 BUS_DMASYNC_PREWRITE); 821 822 /* 823 * Initialize the transmit descriptors. 824 */ 825 for (nexttx = sc->sc_txnext, seg = 0; 826 seg < dmamap->dm_nsegs; 827 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 828 /* 829 * If this is the first descriptor we're 830 * enqueueing, don't set the OWN bit just 831 * yet. That could cause a race condition. 832 * We'll do it below. 833 */ 834 sc->sc_txdescs[nexttx].td_status = 835 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 836 sc->sc_txdescs[nexttx].td_bufaddr1 = 837 htole32(dmamap->dm_segs[seg].ds_addr); 838 sc->sc_txdescs[nexttx].td_ctl = 839 htole32((dmamap->dm_segs[seg].ds_len << 840 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 841 (nexttx == (TULIP_NTXDESC - 1) ? 842 sc->sc_tdctl_er : 0)); 843 lasttx = nexttx; 844 } 845 846 KASSERT(lasttx != -1); 847 848 /* Set `first segment' and `last segment' appropriately. */ 849 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 850 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 851 852 #ifdef TLP_DEBUG 853 if (ifp->if_flags & IFF_DEBUG) { 854 printf(" txsoft %p transmit chain:\n", txs); 855 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 856 printf(" descriptor %d:\n", seg); 857 printf(" td_status: 0x%08x\n", 858 le32toh(sc->sc_txdescs[seg].td_status)); 859 printf(" td_ctl: 0x%08x\n", 860 le32toh(sc->sc_txdescs[seg].td_ctl)); 861 printf(" td_bufaddr1: 0x%08x\n", 862 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 863 printf(" td_bufaddr2: 0x%08x\n", 864 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 865 if (seg == lasttx) 866 break; 867 } 868 } 869 #endif 870 871 /* Sync the descriptors we're using. */ 872 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 873 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 874 875 /* 876 * Store a pointer to the packet so we can free it later, 877 * and remember what txdirty will be once the packet is 878 * done. 879 */ 880 txs->txs_mbuf = m0; 881 txs->txs_firstdesc = sc->sc_txnext; 882 txs->txs_lastdesc = lasttx; 883 txs->txs_ndescs = dmamap->dm_nsegs; 884 885 /* Advance the tx pointer. */ 886 sc->sc_txfree -= dmamap->dm_nsegs; 887 sc->sc_txnext = nexttx; 888 889 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 890 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 891 892 last_txs = txs; 893 894 #if NBPFILTER > 0 895 /* 896 * Pass the packet to any BPF listeners. 897 */ 898 if (ifp->if_bpf) 899 bpf_mtap(ifp->if_bpf, m0); 900 #endif /* NBPFILTER > 0 */ 901 } 902 903 if (txs == NULL || sc->sc_txfree == 0) { 904 /* No more slots left; notify upper layer. */ 905 ifp->if_flags |= IFF_OACTIVE; 906 } 907 908 if (sc->sc_txfree != ofree) { 909 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 910 sc->sc_dev.dv_xname, lasttx, firsttx)); 911 /* 912 * Cause a transmit interrupt to happen on the 913 * last packet we enqueued. 914 */ 915 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 916 TULIP_CDTXSYNC(sc, lasttx, 1, 917 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 918 919 /* 920 * Some clone chips want IC on the *first* segment in 921 * the packet. Appease them. 922 */ 923 KASSERT(last_txs != NULL); 924 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 925 last_txs->txs_firstdesc != lasttx) { 926 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 927 htole32(TDCTL_Tx_IC); 928 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 929 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 930 } 931 932 /* 933 * The entire packet chain is set up. Give the 934 * first descriptor to the chip now. 935 */ 936 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 937 TULIP_CDTXSYNC(sc, firsttx, 1, 938 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 939 940 /* Wake up the transmitter. */ 941 /* XXX USE AUTOPOLLING? */ 942 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 943 944 /* Set a watchdog timer in case the chip flakes out. */ 945 ifp->if_timer = 5; 946 } 947 } 948 949 /* 950 * tlp_watchdog: [ifnet interface function] 951 * 952 * Watchdog timer handler. 953 */ 954 void 955 tlp_watchdog(ifp) 956 struct ifnet *ifp; 957 { 958 struct tulip_softc *sc = ifp->if_softc; 959 int doing_setup, doing_transmit; 960 961 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 962 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 963 964 if (doing_setup && doing_transmit) { 965 printf("%s: filter setup and transmit timeout\n", 966 sc->sc_dev.dv_xname); 967 ifp->if_oerrors++; 968 } else if (doing_transmit) { 969 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 970 ifp->if_oerrors++; 971 } else if (doing_setup) 972 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 973 else 974 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 975 976 (void) tlp_init(ifp); 977 978 /* Try to get more packets going. */ 979 tlp_start(ifp); 980 } 981 982 /* 983 * tlp_ioctl: [ifnet interface function] 984 * 985 * Handle control requests from the operator. 986 */ 987 int 988 tlp_ioctl(ifp, cmd, data) 989 struct ifnet *ifp; 990 u_long cmd; 991 caddr_t data; 992 { 993 struct tulip_softc *sc = ifp->if_softc; 994 struct ifreq *ifr = (struct ifreq *)data; 995 int s, error; 996 997 s = splnet(); 998 999 switch (cmd) { 1000 case SIOCSIFMEDIA: 1001 case SIOCGIFMEDIA: 1002 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1003 break; 1004 1005 default: 1006 error = ether_ioctl(ifp, cmd, data); 1007 if (error == ENETRESET) { 1008 if (TULIP_IS_ENABLED(sc)) { 1009 /* 1010 * Multicast list has changed. Set the 1011 * hardware filter accordingly. 1012 */ 1013 (*sc->sc_filter_setup)(sc); 1014 } 1015 error = 0; 1016 } 1017 break; 1018 } 1019 1020 /* Try to get more packets going. */ 1021 if (TULIP_IS_ENABLED(sc)) 1022 tlp_start(ifp); 1023 1024 splx(s); 1025 return (error); 1026 } 1027 1028 /* 1029 * tlp_intr: 1030 * 1031 * Interrupt service routine. 1032 */ 1033 int 1034 tlp_intr(arg) 1035 void *arg; 1036 { 1037 struct tulip_softc *sc = arg; 1038 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1039 u_int32_t status, rxstatus, txstatus; 1040 int handled = 0, txthresh; 1041 1042 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1043 1044 #ifdef DEBUG 1045 if (TULIP_IS_ENABLED(sc) == 0) 1046 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname); 1047 #endif 1048 1049 /* 1050 * If the interface isn't running, the interrupt couldn't 1051 * possibly have come from us. 1052 */ 1053 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1054 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1055 return (0); 1056 1057 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1058 switch (sc->sc_chip) { 1059 case TULIP_CHIP_DM9102: 1060 case TULIP_CHIP_DM9102A: 1061 TULIP_WRITE(sc, CSR_INTEN, 0); 1062 break; 1063 1064 default: 1065 /* Nothing. */ 1066 break; 1067 } 1068 1069 for (;;) { 1070 status = TULIP_READ(sc, CSR_STATUS); 1071 if (status) 1072 TULIP_WRITE(sc, CSR_STATUS, status); 1073 1074 if ((status & sc->sc_inten) == 0) 1075 break; 1076 1077 handled = 1; 1078 1079 rxstatus = status & sc->sc_rxint_mask; 1080 txstatus = status & sc->sc_txint_mask; 1081 1082 if (rxstatus) { 1083 /* Grab new any new packets. */ 1084 tlp_rxintr(sc); 1085 1086 if (rxstatus & STATUS_RWT) 1087 printf("%s: receive watchdog timeout\n", 1088 sc->sc_dev.dv_xname); 1089 1090 if (rxstatus & STATUS_RU) { 1091 printf("%s: receive ring overrun\n", 1092 sc->sc_dev.dv_xname); 1093 /* Get the receive process going again. */ 1094 if (sc->sc_tdctl_er != TDCTL_ER) { 1095 tlp_idle(sc, OPMODE_SR); 1096 TULIP_WRITE(sc, CSR_RXLIST, 1097 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1098 TULIP_WRITE(sc, CSR_OPMODE, 1099 sc->sc_opmode); 1100 } 1101 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1102 break; 1103 } 1104 } 1105 1106 if (txstatus) { 1107 /* Sweep up transmit descriptors. */ 1108 tlp_txintr(sc); 1109 1110 if (txstatus & STATUS_TJT) 1111 printf("%s: transmit jabber timeout\n", 1112 sc->sc_dev.dv_xname); 1113 1114 if (txstatus & STATUS_UNF) { 1115 /* 1116 * Increase our transmit threshold if 1117 * another is available. 1118 */ 1119 txthresh = sc->sc_txthresh + 1; 1120 if (sc->sc_txth[txthresh].txth_name != NULL) { 1121 /* Idle the transmit process. */ 1122 tlp_idle(sc, OPMODE_ST); 1123 1124 sc->sc_txthresh = txthresh; 1125 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1126 sc->sc_opmode |= 1127 sc->sc_txth[txthresh].txth_opmode; 1128 printf("%s: transmit underrun; new " 1129 "threshold: %s\n", 1130 sc->sc_dev.dv_xname, 1131 sc->sc_txth[txthresh].txth_name); 1132 1133 /* 1134 * Set the new threshold and restart 1135 * the transmit process. 1136 */ 1137 TULIP_WRITE(sc, CSR_OPMODE, 1138 sc->sc_opmode); 1139 } 1140 /* 1141 * XXX Log every Nth underrun from 1142 * XXX now on? 1143 */ 1144 } 1145 } 1146 1147 if (status & (STATUS_TPS|STATUS_RPS)) { 1148 if (status & STATUS_TPS) 1149 printf("%s: transmit process stopped\n", 1150 sc->sc_dev.dv_xname); 1151 if (status & STATUS_RPS) 1152 printf("%s: receive process stopped\n", 1153 sc->sc_dev.dv_xname); 1154 (void) tlp_init(ifp); 1155 break; 1156 } 1157 1158 if (status & STATUS_SE) { 1159 const char *str; 1160 switch (status & STATUS_EB) { 1161 case STATUS_EB_PARITY: 1162 str = "parity error"; 1163 break; 1164 1165 case STATUS_EB_MABT: 1166 str = "master abort"; 1167 break; 1168 1169 case STATUS_EB_TABT: 1170 str = "target abort"; 1171 break; 1172 1173 default: 1174 str = "unknown error"; 1175 break; 1176 } 1177 printf("%s: fatal system error: %s\n", 1178 sc->sc_dev.dv_xname, str); 1179 (void) tlp_init(ifp); 1180 break; 1181 } 1182 1183 /* 1184 * Not handled: 1185 * 1186 * Transmit buffer unavailable -- normal 1187 * condition, nothing to do, really. 1188 * 1189 * General purpose timer experied -- we don't 1190 * use the general purpose timer. 1191 * 1192 * Early receive interrupt -- not available on 1193 * all chips, we just use RI. We also only 1194 * use single-segment receive DMA, so this 1195 * is mostly useless. 1196 */ 1197 } 1198 1199 /* Bring interrupts back up on the DM9102. */ 1200 switch (sc->sc_chip) { 1201 case TULIP_CHIP_DM9102: 1202 case TULIP_CHIP_DM9102A: 1203 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1204 break; 1205 1206 default: 1207 /* Nothing. */ 1208 break; 1209 } 1210 1211 /* Try to get more packets going. */ 1212 tlp_start(ifp); 1213 1214 #if NRND > 0 1215 if (handled) 1216 rnd_add_uint32(&sc->sc_rnd_source, status); 1217 #endif 1218 return (handled); 1219 } 1220 1221 /* 1222 * tlp_rxintr: 1223 * 1224 * Helper; handle receive interrupts. 1225 */ 1226 void 1227 tlp_rxintr(sc) 1228 struct tulip_softc *sc; 1229 { 1230 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1231 struct ether_header *eh; 1232 struct tulip_rxsoft *rxs; 1233 struct mbuf *m; 1234 u_int32_t rxstat; 1235 int i, len; 1236 1237 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1238 rxs = &sc->sc_rxsoft[i]; 1239 1240 TULIP_CDRXSYNC(sc, i, 1241 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1242 1243 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1244 1245 if (rxstat & TDSTAT_OWN) { 1246 /* 1247 * We have processed all of the receive buffers. 1248 */ 1249 break; 1250 } 1251 1252 /* 1253 * Make sure the packet fit in one buffer. This should 1254 * always be the case. But the Lite-On PNIC, rev 33 1255 * has an awful receive engine bug, which may require 1256 * a very icky work-around. 1257 */ 1258 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1259 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1260 printf("%s: incoming packet spilled, resetting\n", 1261 sc->sc_dev.dv_xname); 1262 (void) tlp_init(ifp); 1263 return; 1264 } 1265 1266 /* 1267 * If any collisions were seen on the wire, count one. 1268 */ 1269 if (rxstat & TDSTAT_Rx_CS) 1270 ifp->if_collisions++; 1271 1272 /* 1273 * If an error occurred, update stats, clear the status 1274 * word, and leave the packet buffer in place. It will 1275 * simply be reused the next time the ring comes around. 1276 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1277 * error. 1278 */ 1279 if (rxstat & TDSTAT_ES && 1280 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1281 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1282 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1283 #define PRINTERR(bit, str) \ 1284 if (rxstat & (bit)) \ 1285 printf("%s: receive error: %s\n", \ 1286 sc->sc_dev.dv_xname, str) 1287 ifp->if_ierrors++; 1288 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1289 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1290 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1291 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1292 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1293 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1294 #undef PRINTERR 1295 TULIP_INIT_RXDESC(sc, i); 1296 continue; 1297 } 1298 1299 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1300 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1301 1302 /* 1303 * No errors; receive the packet. Note the Tulip 1304 * includes the CRC with every packet. 1305 */ 1306 len = TDSTAT_Rx_LENGTH(rxstat); 1307 1308 #ifdef __NO_STRICT_ALIGNMENT 1309 /* 1310 * Allocate a new mbuf cluster. If that fails, we are 1311 * out of memory, and must drop the packet and recycle 1312 * the buffer that's already attached to this descriptor. 1313 */ 1314 m = rxs->rxs_mbuf; 1315 if (tlp_add_rxbuf(sc, i) != 0) { 1316 ifp->if_ierrors++; 1317 TULIP_INIT_RXDESC(sc, i); 1318 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1319 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1320 continue; 1321 } 1322 #else 1323 /* 1324 * The Tulip's receive buffers must be 4-byte aligned. 1325 * But this means that the data after the Ethernet header 1326 * is misaligned. We must allocate a new buffer and 1327 * copy the data, shifted forward 2 bytes. 1328 */ 1329 MGETHDR(m, M_DONTWAIT, MT_DATA); 1330 if (m == NULL) { 1331 dropit: 1332 ifp->if_ierrors++; 1333 TULIP_INIT_RXDESC(sc, i); 1334 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1335 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1336 continue; 1337 } 1338 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1339 if (len > (MHLEN - 2)) { 1340 MCLGET(m, M_DONTWAIT); 1341 if ((m->m_flags & M_EXT) == 0) { 1342 m_freem(m); 1343 goto dropit; 1344 } 1345 } 1346 m->m_data += 2; 1347 1348 /* 1349 * Note that we use clusters for incoming frames, so the 1350 * buffer is virtually contiguous. 1351 */ 1352 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1353 1354 /* Allow the receive descriptor to continue using its mbuf. */ 1355 TULIP_INIT_RXDESC(sc, i); 1356 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1357 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1358 #endif /* __NO_STRICT_ALIGNMENT */ 1359 1360 ifp->if_ipackets++; 1361 eh = mtod(m, struct ether_header *); 1362 m->m_flags |= M_HASFCS; 1363 m->m_pkthdr.rcvif = ifp; 1364 m->m_pkthdr.len = m->m_len = len; 1365 1366 /* 1367 * XXX Work-around for a weird problem with the emulated 1368 * 21041 on Connectix Virtual PC: 1369 * 1370 * When we receive a full-size TCP segment, we seem to get 1371 * a packet there the Rx status says 1522 bytes, yet we do 1372 * not get a frame-too-long error from the chip. The extra 1373 * bytes seem to always be zeros. Perhaps Virtual PC is 1374 * inserting 4 bytes of zeros after every packet. In any 1375 * case, let's try and detect this condition and truncate 1376 * the length so that it will pass up the stack. 1377 */ 1378 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1379 uint16_t etype = ntohs(eh->ether_type); 1380 1381 if (len > ETHER_MAX_FRAME(ifp, etype, 1382 M_HASFCS)) 1383 m->m_pkthdr.len = m->m_len = len = 1384 ETHER_MAX_FRAME(ifp, etype, M_HASFCS); 1385 } 1386 1387 #if NBPFILTER > 0 1388 /* 1389 * Pass this up to any BPF listeners, but only 1390 * pass it up the stack if its for us. 1391 */ 1392 if (ifp->if_bpf) 1393 bpf_mtap(ifp->if_bpf, m); 1394 #endif /* NPBFILTER > 0 */ 1395 1396 /* 1397 * We sometimes have to run the 21140 in Hash-Only 1398 * mode. If we're in that mode, and not in promiscuous 1399 * mode, and we have a unicast packet that isn't for 1400 * us, then drop it. 1401 */ 1402 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1403 (ifp->if_flags & IFF_PROMISC) == 0 && 1404 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1405 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1406 ETHER_ADDR_LEN) != 0) { 1407 m_freem(m); 1408 continue; 1409 } 1410 1411 /* Pass it on. */ 1412 (*ifp->if_input)(ifp, m); 1413 } 1414 1415 /* Update the receive pointer. */ 1416 sc->sc_rxptr = i; 1417 } 1418 1419 /* 1420 * tlp_txintr: 1421 * 1422 * Helper; handle transmit interrupts. 1423 */ 1424 void 1425 tlp_txintr(sc) 1426 struct tulip_softc *sc; 1427 { 1428 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1429 struct tulip_txsoft *txs; 1430 u_int32_t txstat; 1431 1432 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1433 sc->sc_dev.dv_xname, sc->sc_flags)); 1434 1435 ifp->if_flags &= ~IFF_OACTIVE; 1436 1437 /* 1438 * Go through our Tx list and free mbufs for those 1439 * frames that have been transmitted. 1440 */ 1441 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1442 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1443 txs->txs_ndescs, 1444 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1445 1446 #ifdef TLP_DEBUG 1447 if (ifp->if_flags & IFF_DEBUG) { 1448 int i; 1449 printf(" txsoft %p transmit chain:\n", txs); 1450 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1451 printf(" descriptor %d:\n", i); 1452 printf(" td_status: 0x%08x\n", 1453 le32toh(sc->sc_txdescs[i].td_status)); 1454 printf(" td_ctl: 0x%08x\n", 1455 le32toh(sc->sc_txdescs[i].td_ctl)); 1456 printf(" td_bufaddr1: 0x%08x\n", 1457 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1458 printf(" td_bufaddr2: 0x%08x\n", 1459 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1460 if (i == txs->txs_lastdesc) 1461 break; 1462 } 1463 } 1464 #endif 1465 1466 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1467 if (txstat & TDSTAT_OWN) 1468 break; 1469 1470 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1471 1472 sc->sc_txfree += txs->txs_ndescs; 1473 1474 if (txs->txs_mbuf == NULL) { 1475 /* 1476 * If we didn't have an mbuf, it was the setup 1477 * packet. 1478 */ 1479 #ifdef DIAGNOSTIC 1480 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1481 panic("tlp_txintr: null mbuf, not doing setup"); 1482 #endif 1483 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1484 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1485 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1486 continue; 1487 } 1488 1489 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1490 0, txs->txs_dmamap->dm_mapsize, 1491 BUS_DMASYNC_POSTWRITE); 1492 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1493 m_freem(txs->txs_mbuf); 1494 txs->txs_mbuf = NULL; 1495 1496 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1497 1498 /* 1499 * Check for errors and collisions. 1500 */ 1501 #ifdef TLP_STATS 1502 if (txstat & TDSTAT_Tx_UF) 1503 sc->sc_stats.ts_tx_uf++; 1504 if (txstat & TDSTAT_Tx_TO) 1505 sc->sc_stats.ts_tx_to++; 1506 if (txstat & TDSTAT_Tx_EC) 1507 sc->sc_stats.ts_tx_ec++; 1508 if (txstat & TDSTAT_Tx_LC) 1509 sc->sc_stats.ts_tx_lc++; 1510 #endif 1511 1512 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1513 ifp->if_oerrors++; 1514 1515 if (txstat & TDSTAT_Tx_EC) 1516 ifp->if_collisions += 16; 1517 else 1518 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1519 if (txstat & TDSTAT_Tx_LC) 1520 ifp->if_collisions++; 1521 1522 ifp->if_opackets++; 1523 } 1524 1525 /* 1526 * If there are no more pending transmissions, cancel the watchdog 1527 * timer. 1528 */ 1529 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1530 ifp->if_timer = 0; 1531 1532 /* 1533 * If we have a receive filter setup pending, do it now. 1534 */ 1535 if (sc->sc_flags & TULIPF_WANT_SETUP) 1536 (*sc->sc_filter_setup)(sc); 1537 } 1538 1539 #ifdef TLP_STATS 1540 void 1541 tlp_print_stats(sc) 1542 struct tulip_softc *sc; 1543 { 1544 1545 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1546 sc->sc_dev.dv_xname, 1547 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1548 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1549 } 1550 #endif 1551 1552 /* 1553 * tlp_reset: 1554 * 1555 * Perform a soft reset on the Tulip. 1556 */ 1557 void 1558 tlp_reset(sc) 1559 struct tulip_softc *sc; 1560 { 1561 int i; 1562 1563 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1564 1565 /* 1566 * Xircom clone doesn't bring itself out of reset automatically. 1567 * Instead, we have to wait at least 50 PCI cycles, and then 1568 * clear SWR. 1569 */ 1570 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1571 delay(10); 1572 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1573 } 1574 1575 for (i = 0; i < 1000; i++) { 1576 /* 1577 * Wait at least 50 PCI cycles for the reset to 1578 * complete before peeking at the Tulip again. 1579 * 10 uSec is a bit longer than 50 PCI cycles 1580 * (at 33MHz), but it doesn't hurt have the extra 1581 * wait. 1582 */ 1583 delay(10); 1584 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1585 break; 1586 } 1587 1588 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1589 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1590 1591 delay(1000); 1592 1593 /* 1594 * If the board has any GPIO reset sequences to issue, do them now. 1595 */ 1596 if (sc->sc_reset != NULL) 1597 (*sc->sc_reset)(sc); 1598 } 1599 1600 /* 1601 * tlp_init: [ ifnet interface function ] 1602 * 1603 * Initialize the interface. Must be called at splnet(). 1604 */ 1605 int 1606 tlp_init(ifp) 1607 struct ifnet *ifp; 1608 { 1609 struct tulip_softc *sc = ifp->if_softc; 1610 struct tulip_txsoft *txs; 1611 struct tulip_rxsoft *rxs; 1612 int i, error = 0; 1613 1614 if ((error = tlp_enable(sc)) != 0) 1615 goto out; 1616 1617 /* 1618 * Cancel any pending I/O. 1619 */ 1620 tlp_stop(ifp, 0); 1621 1622 /* 1623 * Initialize `opmode' to 0, and call the pre-init routine, if 1624 * any. This is required because the 2114x and some of the 1625 * clones require that the media-related bits in `opmode' be 1626 * set before performing a soft-reset in order to get internal 1627 * chip pathways are correct. Yay! 1628 */ 1629 sc->sc_opmode = 0; 1630 if (sc->sc_preinit != NULL) 1631 (*sc->sc_preinit)(sc); 1632 1633 /* 1634 * Reset the Tulip to a known state. 1635 */ 1636 tlp_reset(sc); 1637 1638 /* 1639 * Initialize the BUSMODE register. 1640 */ 1641 sc->sc_busmode = BUSMODE_BAR; 1642 switch (sc->sc_chip) { 1643 case TULIP_CHIP_21140: 1644 case TULIP_CHIP_21140A: 1645 case TULIP_CHIP_21142: 1646 case TULIP_CHIP_21143: 1647 case TULIP_CHIP_82C115: 1648 case TULIP_CHIP_MX98725: 1649 /* 1650 * If we're allowed to do so, use Memory Read Line 1651 * and Memory Read Multiple. 1652 * 1653 * XXX Should we use Memory Write and Invalidate? 1654 */ 1655 if (sc->sc_flags & TULIPF_MRL) 1656 sc->sc_busmode |= BUSMODE_RLE; 1657 if (sc->sc_flags & TULIPF_MRM) 1658 sc->sc_busmode |= BUSMODE_RME; 1659 #if 0 1660 if (sc->sc_flags & TULIPF_MWI) 1661 sc->sc_busmode |= BUSMODE_WLE; 1662 #endif 1663 break; 1664 1665 case TULIP_CHIP_82C168: 1666 case TULIP_CHIP_82C169: 1667 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1668 if (sc->sc_maxburst == 0) 1669 sc->sc_maxburst = 16; 1670 break; 1671 1672 default: 1673 /* Nothing. */ 1674 break; 1675 } 1676 switch (sc->sc_cacheline) { 1677 default: 1678 /* 1679 * Note: We must *always* set these bits; a cache 1680 * alignment of 0 is RESERVED. 1681 */ 1682 case 8: 1683 sc->sc_busmode |= BUSMODE_CAL_8LW; 1684 break; 1685 case 16: 1686 sc->sc_busmode |= BUSMODE_CAL_16LW; 1687 break; 1688 case 32: 1689 sc->sc_busmode |= BUSMODE_CAL_32LW; 1690 break; 1691 } 1692 switch (sc->sc_maxburst) { 1693 case 1: 1694 sc->sc_busmode |= BUSMODE_PBL_1LW; 1695 break; 1696 case 2: 1697 sc->sc_busmode |= BUSMODE_PBL_2LW; 1698 break; 1699 case 4: 1700 sc->sc_busmode |= BUSMODE_PBL_4LW; 1701 break; 1702 case 8: 1703 sc->sc_busmode |= BUSMODE_PBL_8LW; 1704 break; 1705 case 16: 1706 sc->sc_busmode |= BUSMODE_PBL_16LW; 1707 break; 1708 case 32: 1709 sc->sc_busmode |= BUSMODE_PBL_32LW; 1710 break; 1711 default: 1712 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1713 break; 1714 } 1715 #if BYTE_ORDER == BIG_ENDIAN 1716 /* 1717 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1718 * support them, and even on ones that do, it doesn't 1719 * always work. So we always access descriptors with 1720 * little endian via htole32/le32toh. 1721 */ 1722 #endif 1723 /* 1724 * Big-endian bus requires BUSMODE_BLE anyway. 1725 * Also, BUSMODE_DBO is needed because we assume 1726 * descriptors are little endian. 1727 */ 1728 if (sc->sc_flags & TULIPF_BLE) 1729 sc->sc_busmode |= BUSMODE_BLE; 1730 if (sc->sc_flags & TULIPF_DBO) 1731 sc->sc_busmode |= BUSMODE_DBO; 1732 1733 /* 1734 * Some chips have a broken bus interface. 1735 */ 1736 switch (sc->sc_chip) { 1737 case TULIP_CHIP_DM9102: 1738 case TULIP_CHIP_DM9102A: 1739 sc->sc_busmode = 0; 1740 break; 1741 1742 default: 1743 /* Nothing. */ 1744 break; 1745 } 1746 1747 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1748 1749 /* 1750 * Initialize the OPMODE register. We don't write it until 1751 * we're ready to begin the transmit and receive processes. 1752 * 1753 * Media-related OPMODE bits are set in the media callbacks 1754 * for each specific chip/board. 1755 */ 1756 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1757 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1758 1759 /* 1760 * Magical mystery initialization on the Macronix chips. 1761 * The MX98713 uses its own magic value, the rest share 1762 * a common one. 1763 */ 1764 switch (sc->sc_chip) { 1765 case TULIP_CHIP_MX98713: 1766 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1767 break; 1768 1769 case TULIP_CHIP_MX98713A: 1770 case TULIP_CHIP_MX98715: 1771 case TULIP_CHIP_MX98715A: 1772 case TULIP_CHIP_MX98715AEC_X: 1773 case TULIP_CHIP_MX98725: 1774 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1775 break; 1776 1777 default: 1778 /* Nothing. */ 1779 break; 1780 } 1781 1782 /* 1783 * Initialize the transmit descriptor ring. 1784 */ 1785 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1786 for (i = 0; i < TULIP_NTXDESC; i++) { 1787 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1788 sc->sc_txdescs[i].td_bufaddr2 = 1789 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1790 } 1791 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1792 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1793 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1794 sc->sc_txfree = TULIP_NTXDESC; 1795 sc->sc_txnext = 0; 1796 1797 /* 1798 * Initialize the transmit job descriptors. 1799 */ 1800 SIMPLEQ_INIT(&sc->sc_txfreeq); 1801 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1802 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1803 txs = &sc->sc_txsoft[i]; 1804 txs->txs_mbuf = NULL; 1805 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1806 } 1807 1808 /* 1809 * Initialize the receive descriptor and receive job 1810 * descriptor rings. 1811 */ 1812 for (i = 0; i < TULIP_NRXDESC; i++) { 1813 rxs = &sc->sc_rxsoft[i]; 1814 if (rxs->rxs_mbuf == NULL) { 1815 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1816 printf("%s: unable to allocate or map rx " 1817 "buffer %d, error = %d\n", 1818 sc->sc_dev.dv_xname, i, error); 1819 /* 1820 * XXX Should attempt to run with fewer receive 1821 * XXX buffers instead of just failing. 1822 */ 1823 tlp_rxdrain(sc); 1824 goto out; 1825 } 1826 } else 1827 TULIP_INIT_RXDESC(sc, i); 1828 } 1829 sc->sc_rxptr = 0; 1830 1831 /* 1832 * Initialize the interrupt mask and enable interrupts. 1833 */ 1834 /* normal interrupts */ 1835 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1836 1837 /* abnormal interrupts */ 1838 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1839 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1840 1841 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1842 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1843 1844 switch (sc->sc_chip) { 1845 case TULIP_CHIP_WB89C840F: 1846 /* 1847 * Clear bits that we don't want that happen to 1848 * overlap or don't exist. 1849 */ 1850 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1851 break; 1852 1853 default: 1854 /* Nothing. */ 1855 break; 1856 } 1857 1858 sc->sc_rxint_mask &= sc->sc_inten; 1859 sc->sc_txint_mask &= sc->sc_inten; 1860 1861 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1862 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1863 1864 /* 1865 * Give the transmit and receive rings to the Tulip. 1866 */ 1867 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1868 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1869 1870 /* 1871 * On chips that do this differently, set the station address. 1872 */ 1873 switch (sc->sc_chip) { 1874 case TULIP_CHIP_WB89C840F: 1875 { 1876 /* XXX Do this with stream writes? */ 1877 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1878 1879 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1880 bus_space_write_1(sc->sc_st, sc->sc_sh, 1881 cpa + i, LLADDR(ifp->if_sadl)[i]); 1882 } 1883 break; 1884 } 1885 1886 case TULIP_CHIP_AL981: 1887 case TULIP_CHIP_AN983: 1888 case TULIP_CHIP_AN985: 1889 { 1890 u_int32_t reg; 1891 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1892 1893 reg = enaddr[0] | 1894 (enaddr[1] << 8) | 1895 (enaddr[2] << 16) | 1896 (enaddr[3] << 24); 1897 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1898 1899 reg = enaddr[4] | 1900 (enaddr[5] << 8); 1901 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1902 } 1903 1904 default: 1905 /* Nothing. */ 1906 break; 1907 } 1908 1909 /* 1910 * Set the receive filter. This will start the transmit and 1911 * receive processes. 1912 */ 1913 (*sc->sc_filter_setup)(sc); 1914 1915 /* 1916 * Set the current media. 1917 */ 1918 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1919 1920 /* 1921 * Start the receive process. 1922 */ 1923 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1924 1925 if (sc->sc_tick != NULL) { 1926 /* Start the one second clock. */ 1927 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1928 } 1929 1930 /* 1931 * Note that the interface is now running. 1932 */ 1933 ifp->if_flags |= IFF_RUNNING; 1934 ifp->if_flags &= ~IFF_OACTIVE; 1935 1936 out: 1937 if (error) { 1938 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1939 ifp->if_timer = 0; 1940 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1941 } 1942 return (error); 1943 } 1944 1945 /* 1946 * tlp_enable: 1947 * 1948 * Enable the Tulip chip. 1949 */ 1950 int 1951 tlp_enable(sc) 1952 struct tulip_softc *sc; 1953 { 1954 1955 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1956 if ((*sc->sc_enable)(sc) != 0) { 1957 printf("%s: device enable failed\n", 1958 sc->sc_dev.dv_xname); 1959 return (EIO); 1960 } 1961 sc->sc_flags |= TULIPF_ENABLED; 1962 } 1963 return (0); 1964 } 1965 1966 /* 1967 * tlp_disable: 1968 * 1969 * Disable the Tulip chip. 1970 */ 1971 void 1972 tlp_disable(sc) 1973 struct tulip_softc *sc; 1974 { 1975 1976 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1977 (*sc->sc_disable)(sc); 1978 sc->sc_flags &= ~TULIPF_ENABLED; 1979 } 1980 } 1981 1982 /* 1983 * tlp_power: 1984 * 1985 * Power management (suspend/resume) hook. 1986 */ 1987 void 1988 tlp_power(why, arg) 1989 int why; 1990 void *arg; 1991 { 1992 struct tulip_softc *sc = arg; 1993 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1994 int s; 1995 1996 s = splnet(); 1997 switch (why) { 1998 case PWR_STANDBY: 1999 /* do nothing! */ 2000 break; 2001 case PWR_SUSPEND: 2002 tlp_stop(ifp, 0); 2003 if (sc->sc_power != NULL) 2004 (*sc->sc_power)(sc, why); 2005 break; 2006 case PWR_RESUME: 2007 if (ifp->if_flags & IFF_UP) { 2008 if (sc->sc_power != NULL) 2009 (*sc->sc_power)(sc, why); 2010 tlp_init(ifp); 2011 } 2012 break; 2013 case PWR_SOFTSUSPEND: 2014 case PWR_SOFTSTANDBY: 2015 case PWR_SOFTRESUME: 2016 break; 2017 } 2018 splx(s); 2019 } 2020 2021 /* 2022 * tlp_rxdrain: 2023 * 2024 * Drain the receive queue. 2025 */ 2026 void 2027 tlp_rxdrain(sc) 2028 struct tulip_softc *sc; 2029 { 2030 struct tulip_rxsoft *rxs; 2031 int i; 2032 2033 for (i = 0; i < TULIP_NRXDESC; i++) { 2034 rxs = &sc->sc_rxsoft[i]; 2035 if (rxs->rxs_mbuf != NULL) { 2036 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2037 m_freem(rxs->rxs_mbuf); 2038 rxs->rxs_mbuf = NULL; 2039 } 2040 } 2041 } 2042 2043 /* 2044 * tlp_stop: [ ifnet interface function ] 2045 * 2046 * Stop transmission on the interface. 2047 */ 2048 void 2049 tlp_stop(ifp, disable) 2050 struct ifnet *ifp; 2051 int disable; 2052 { 2053 struct tulip_softc *sc = ifp->if_softc; 2054 struct tulip_txsoft *txs; 2055 2056 if (sc->sc_tick != NULL) { 2057 /* Stop the one second clock. */ 2058 callout_stop(&sc->sc_tick_callout); 2059 } 2060 2061 if (sc->sc_flags & TULIPF_HAS_MII) { 2062 /* Down the MII. */ 2063 mii_down(&sc->sc_mii); 2064 } 2065 2066 /* Disable interrupts. */ 2067 TULIP_WRITE(sc, CSR_INTEN, 0); 2068 2069 /* Stop the transmit and receive processes. */ 2070 sc->sc_opmode = 0; 2071 TULIP_WRITE(sc, CSR_OPMODE, 0); 2072 TULIP_WRITE(sc, CSR_RXLIST, 0); 2073 TULIP_WRITE(sc, CSR_TXLIST, 0); 2074 2075 /* 2076 * Release any queued transmit buffers. 2077 */ 2078 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2079 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2080 if (txs->txs_mbuf != NULL) { 2081 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2082 m_freem(txs->txs_mbuf); 2083 txs->txs_mbuf = NULL; 2084 } 2085 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2086 } 2087 2088 if (disable) { 2089 tlp_rxdrain(sc); 2090 tlp_disable(sc); 2091 } 2092 2093 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2094 2095 /* 2096 * Mark the interface down and cancel the watchdog timer. 2097 */ 2098 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2099 ifp->if_timer = 0; 2100 2101 /* 2102 * Reset the chip (needed on some flavors to actually disable it). 2103 */ 2104 tlp_reset(sc); 2105 } 2106 2107 #define SROM_EMIT(sc, x) \ 2108 do { \ 2109 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2110 delay(2); \ 2111 } while (0) 2112 2113 /* 2114 * tlp_srom_idle: 2115 * 2116 * Put the SROM in idle state. 2117 */ 2118 void 2119 tlp_srom_idle(sc) 2120 struct tulip_softc *sc; 2121 { 2122 u_int32_t miirom; 2123 int i; 2124 2125 miirom = MIIROM_SR; 2126 SROM_EMIT(sc, miirom); 2127 2128 miirom |= MIIROM_RD; 2129 SROM_EMIT(sc, miirom); 2130 2131 miirom |= MIIROM_SROMCS; 2132 SROM_EMIT(sc, miirom); 2133 2134 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2135 2136 /* Strobe the clock 32 times. */ 2137 for (i = 0; i < 32; i++) { 2138 SROM_EMIT(sc, miirom); 2139 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2140 } 2141 2142 SROM_EMIT(sc, miirom); 2143 2144 miirom &= ~MIIROM_SROMCS; 2145 SROM_EMIT(sc, miirom); 2146 2147 SROM_EMIT(sc, 0); 2148 } 2149 2150 /* 2151 * tlp_srom_size: 2152 * 2153 * Determine the number of address bits in the SROM. 2154 */ 2155 int 2156 tlp_srom_size(sc) 2157 struct tulip_softc *sc; 2158 { 2159 u_int32_t miirom; 2160 int x; 2161 2162 /* Select the SROM. */ 2163 miirom = MIIROM_SR; 2164 SROM_EMIT(sc, miirom); 2165 2166 miirom |= MIIROM_RD; 2167 SROM_EMIT(sc, miirom); 2168 2169 /* Send CHIP SELECT for one clock tick. */ 2170 miirom |= MIIROM_SROMCS; 2171 SROM_EMIT(sc, miirom); 2172 2173 /* Shift in the READ opcode. */ 2174 for (x = 3; x > 0; x--) { 2175 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2176 miirom |= MIIROM_SROMDI; 2177 else 2178 miirom &= ~MIIROM_SROMDI; 2179 SROM_EMIT(sc, miirom); 2180 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2181 SROM_EMIT(sc, miirom); 2182 } 2183 2184 /* Shift in address and look for dummy 0 bit. */ 2185 for (x = 1; x <= 12; x++) { 2186 miirom &= ~MIIROM_SROMDI; 2187 SROM_EMIT(sc, miirom); 2188 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2189 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2190 break; 2191 SROM_EMIT(sc, miirom); 2192 } 2193 2194 /* Clear CHIP SELECT. */ 2195 miirom &= ~MIIROM_SROMCS; 2196 SROM_EMIT(sc, miirom); 2197 2198 /* Deselect the SROM. */ 2199 SROM_EMIT(sc, 0); 2200 2201 if (x < 4 || x > 12) { 2202 printf("%s: broken MicroWire interface detected; " 2203 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2204 return (6); 2205 } else { 2206 if (tlp_srom_debug) 2207 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2208 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2209 return (x); 2210 } 2211 } 2212 2213 /* 2214 * tlp_read_srom: 2215 * 2216 * Read the Tulip SROM. 2217 */ 2218 int 2219 tlp_read_srom(sc) 2220 struct tulip_softc *sc; 2221 { 2222 int size; 2223 u_int32_t miirom; 2224 u_int16_t datain; 2225 int i, x; 2226 2227 tlp_srom_idle(sc); 2228 2229 sc->sc_srom_addrbits = tlp_srom_size(sc); 2230 if (sc->sc_srom_addrbits == 0) 2231 return (0); 2232 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2233 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2234 2235 /* Select the SROM. */ 2236 miirom = MIIROM_SR; 2237 SROM_EMIT(sc, miirom); 2238 2239 miirom |= MIIROM_RD; 2240 SROM_EMIT(sc, miirom); 2241 2242 for (i = 0; i < size; i += 2) { 2243 /* Send CHIP SELECT for one clock tick. */ 2244 miirom |= MIIROM_SROMCS; 2245 SROM_EMIT(sc, miirom); 2246 2247 /* Shift in the READ opcode. */ 2248 for (x = 3; x > 0; x--) { 2249 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2250 miirom |= MIIROM_SROMDI; 2251 else 2252 miirom &= ~MIIROM_SROMDI; 2253 SROM_EMIT(sc, miirom); 2254 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2255 SROM_EMIT(sc, miirom); 2256 } 2257 2258 /* Shift in address. */ 2259 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2260 if (i & (1 << x)) 2261 miirom |= MIIROM_SROMDI; 2262 else 2263 miirom &= ~MIIROM_SROMDI; 2264 SROM_EMIT(sc, miirom); 2265 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2266 SROM_EMIT(sc, miirom); 2267 } 2268 2269 /* Shift out data. */ 2270 miirom &= ~MIIROM_SROMDI; 2271 datain = 0; 2272 for (x = 16; x > 0; x--) { 2273 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2274 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2275 datain |= (1 << (x - 1)); 2276 SROM_EMIT(sc, miirom); 2277 } 2278 sc->sc_srom[i] = datain & 0xff; 2279 sc->sc_srom[i + 1] = datain >> 8; 2280 2281 /* Clear CHIP SELECT. */ 2282 miirom &= ~MIIROM_SROMCS; 2283 SROM_EMIT(sc, miirom); 2284 } 2285 2286 /* Deselect the SROM. */ 2287 SROM_EMIT(sc, 0); 2288 2289 /* ...and idle it. */ 2290 tlp_srom_idle(sc); 2291 2292 if (tlp_srom_debug) { 2293 printf("SROM CONTENTS:"); 2294 for (i = 0; i < size; i++) { 2295 if ((i % 8) == 0) 2296 printf("\n\t"); 2297 printf("0x%02x ", sc->sc_srom[i]); 2298 } 2299 printf("\n"); 2300 } 2301 2302 return (1); 2303 } 2304 2305 #undef SROM_EMIT 2306 2307 /* 2308 * tlp_add_rxbuf: 2309 * 2310 * Add a receive buffer to the indicated descriptor. 2311 */ 2312 int 2313 tlp_add_rxbuf(sc, idx) 2314 struct tulip_softc *sc; 2315 int idx; 2316 { 2317 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2318 struct mbuf *m; 2319 int error; 2320 2321 MGETHDR(m, M_DONTWAIT, MT_DATA); 2322 if (m == NULL) 2323 return (ENOBUFS); 2324 2325 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2326 MCLGET(m, M_DONTWAIT); 2327 if ((m->m_flags & M_EXT) == 0) { 2328 m_freem(m); 2329 return (ENOBUFS); 2330 } 2331 2332 if (rxs->rxs_mbuf != NULL) 2333 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2334 2335 rxs->rxs_mbuf = m; 2336 2337 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2338 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2339 BUS_DMA_READ|BUS_DMA_NOWAIT); 2340 if (error) { 2341 printf("%s: can't load rx DMA map %d, error = %d\n", 2342 sc->sc_dev.dv_xname, idx, error); 2343 panic("tlp_add_rxbuf"); /* XXX */ 2344 } 2345 2346 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2347 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2348 2349 TULIP_INIT_RXDESC(sc, idx); 2350 2351 return (0); 2352 } 2353 2354 /* 2355 * tlp_srom_crcok: 2356 * 2357 * Check the CRC of the Tulip SROM. 2358 */ 2359 int 2360 tlp_srom_crcok(romdata) 2361 const u_int8_t *romdata; 2362 { 2363 u_int32_t crc; 2364 2365 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2366 crc = (crc & 0xffff) ^ 0xffff; 2367 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2368 return (1); 2369 2370 /* 2371 * Try an alternate checksum. 2372 */ 2373 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2374 crc = (crc & 0xffff) ^ 0xffff; 2375 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2376 return (1); 2377 2378 return (0); 2379 } 2380 2381 /* 2382 * tlp_isv_srom: 2383 * 2384 * Check to see if the SROM is in the new standardized format. 2385 */ 2386 int 2387 tlp_isv_srom(romdata) 2388 const u_int8_t *romdata; 2389 { 2390 int i; 2391 u_int16_t cksum; 2392 2393 if (tlp_srom_crcok(romdata)) { 2394 /* 2395 * SROM CRC checks out; must be in the new format. 2396 */ 2397 return (1); 2398 } 2399 2400 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2401 if (cksum == 0xffff || cksum == 0) { 2402 /* 2403 * No checksum present. Check the SROM ID; 18 bytes of 0 2404 * followed by 1 (version) followed by the number of 2405 * adapters which use this SROM (should be non-zero). 2406 */ 2407 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2408 if (romdata[i] != 0) 2409 return (0); 2410 } 2411 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2412 return (0); 2413 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2414 return (0); 2415 return (1); 2416 } 2417 2418 return (0); 2419 } 2420 2421 /* 2422 * tlp_isv_srom_enaddr: 2423 * 2424 * Get the Ethernet address from an ISV SROM. 2425 */ 2426 int 2427 tlp_isv_srom_enaddr(sc, enaddr) 2428 struct tulip_softc *sc; 2429 u_int8_t *enaddr; 2430 { 2431 int i, devcnt; 2432 2433 if (tlp_isv_srom(sc->sc_srom) == 0) 2434 return (0); 2435 2436 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2437 for (i = 0; i < devcnt; i++) { 2438 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2439 break; 2440 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2441 sc->sc_devno) 2442 break; 2443 } 2444 2445 if (i == devcnt) 2446 return (0); 2447 2448 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2449 ETHER_ADDR_LEN); 2450 enaddr[5] += i; 2451 2452 return (1); 2453 } 2454 2455 /* 2456 * tlp_parse_old_srom: 2457 * 2458 * Parse old-format SROMs. 2459 * 2460 * This routine is largely lifted from Matt Thomas's `de' driver. 2461 */ 2462 int 2463 tlp_parse_old_srom(sc, enaddr) 2464 struct tulip_softc *sc; 2465 u_int8_t *enaddr; 2466 { 2467 static const u_int8_t testpat[] = 2468 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2469 int i; 2470 u_int32_t cksum; 2471 2472 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2473 /* 2474 * Cobalt Networks interfaces simply have the address 2475 * in the first six bytes. The rest is zeroed out 2476 * on some models, but others contain unknown data. 2477 */ 2478 if (sc->sc_srom[0] == 0x00 && 2479 sc->sc_srom[1] == 0x10 && 2480 sc->sc_srom[2] == 0xe0) { 2481 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2482 return (1); 2483 } 2484 2485 /* 2486 * Some vendors (e.g. ZNYX) don't use the standard 2487 * DEC Address ROM format, but rather just have an 2488 * Ethernet address in the first 6 bytes, maybe a 2489 * 2 byte checksum, and then all 0xff's. 2490 */ 2491 for (i = 8; i < 32; i++) { 2492 if (sc->sc_srom[i] != 0xff && 2493 sc->sc_srom[i] != 0) 2494 return (0); 2495 } 2496 2497 /* 2498 * Sanity check the Ethernet address: 2499 * 2500 * - Make sure it's not multicast or locally 2501 * assigned 2502 * - Make sure it has a non-0 OUI 2503 */ 2504 if (sc->sc_srom[0] & 3) 2505 return (0); 2506 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2507 sc->sc_srom[2] == 0) 2508 return (0); 2509 2510 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2511 return (1); 2512 } 2513 2514 /* 2515 * Standard DEC Address ROM test. 2516 */ 2517 2518 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2519 return (0); 2520 2521 for (i = 0; i < 8; i++) { 2522 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2523 return (0); 2524 } 2525 2526 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2527 2528 cksum = *(u_int16_t *) &enaddr[0]; 2529 2530 cksum <<= 1; 2531 if (cksum > 0xffff) 2532 cksum -= 0xffff; 2533 2534 cksum += *(u_int16_t *) &enaddr[2]; 2535 if (cksum > 0xffff) 2536 cksum -= 0xffff; 2537 2538 cksum <<= 1; 2539 if (cksum > 0xffff) 2540 cksum -= 0xffff; 2541 2542 cksum += *(u_int16_t *) &enaddr[4]; 2543 if (cksum >= 0xffff) 2544 cksum -= 0xffff; 2545 2546 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2547 return (0); 2548 2549 return (1); 2550 } 2551 2552 /* 2553 * tlp_filter_setup: 2554 * 2555 * Set the Tulip's receive filter. 2556 */ 2557 void 2558 tlp_filter_setup(sc) 2559 struct tulip_softc *sc; 2560 { 2561 struct ethercom *ec = &sc->sc_ethercom; 2562 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2563 struct ether_multi *enm; 2564 struct ether_multistep step; 2565 __volatile u_int32_t *sp; 2566 struct tulip_txsoft *txs; 2567 u_int8_t enaddr[ETHER_ADDR_LEN]; 2568 u_int32_t hash, hashsize; 2569 int cnt; 2570 2571 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2572 sc->sc_dev.dv_xname, sc->sc_flags)); 2573 2574 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2575 2576 /* 2577 * If there are transmissions pending, wait until they have 2578 * completed. 2579 */ 2580 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2581 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2582 sc->sc_flags |= TULIPF_WANT_SETUP; 2583 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2584 sc->sc_dev.dv_xname)); 2585 return; 2586 } 2587 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2588 2589 switch (sc->sc_chip) { 2590 case TULIP_CHIP_82C115: 2591 hashsize = TULIP_PNICII_HASHSIZE; 2592 break; 2593 2594 default: 2595 hashsize = TULIP_MCHASHSIZE; 2596 } 2597 2598 /* 2599 * If we're running, idle the transmit and receive engines. If 2600 * we're NOT running, we're being called from tlp_init(), and our 2601 * writing OPMODE will start the transmit and receive processes 2602 * in motion. 2603 */ 2604 if (ifp->if_flags & IFF_RUNNING) 2605 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2606 2607 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2608 2609 if (ifp->if_flags & IFF_PROMISC) { 2610 sc->sc_opmode |= OPMODE_PR; 2611 goto allmulti; 2612 } 2613 2614 /* 2615 * Try Perfect filtering first. 2616 */ 2617 2618 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2619 sp = TULIP_CDSP(sc); 2620 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2621 cnt = 0; 2622 ETHER_FIRST_MULTI(step, ec, enm); 2623 while (enm != NULL) { 2624 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2625 /* 2626 * We must listen to a range of multicast addresses. 2627 * For now, just accept all multicasts, rather than 2628 * trying to set only those filter bits needed to match 2629 * the range. (At this time, the only use of address 2630 * ranges is for IP multicast routing, for which the 2631 * range is big enough to require all bits set.) 2632 */ 2633 goto allmulti; 2634 } 2635 if (cnt == (TULIP_MAXADDRS - 2)) { 2636 /* 2637 * We already have our multicast limit (still need 2638 * our station address and broadcast). Go to 2639 * Hash-Perfect mode. 2640 */ 2641 goto hashperfect; 2642 } 2643 cnt++; 2644 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2645 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2646 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2647 ETHER_NEXT_MULTI(step, enm); 2648 } 2649 2650 if (ifp->if_flags & IFF_BROADCAST) { 2651 /* ...and the broadcast address. */ 2652 cnt++; 2653 *sp++ = TULIP_SP_FIELD_C(0xffff); 2654 *sp++ = TULIP_SP_FIELD_C(0xffff); 2655 *sp++ = TULIP_SP_FIELD_C(0xffff); 2656 } 2657 2658 /* Pad the rest with our station address. */ 2659 for (; cnt < TULIP_MAXADDRS; cnt++) { 2660 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2661 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2662 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2663 } 2664 ifp->if_flags &= ~IFF_ALLMULTI; 2665 goto setit; 2666 2667 hashperfect: 2668 /* 2669 * Try Hash-Perfect mode. 2670 */ 2671 2672 /* 2673 * Some 21140 chips have broken Hash-Perfect modes. On these 2674 * chips, we simply use Hash-Only mode, and put our station 2675 * address into the filter. 2676 */ 2677 if (sc->sc_chip == TULIP_CHIP_21140) 2678 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2679 else 2680 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2681 sp = TULIP_CDSP(sc); 2682 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2683 ETHER_FIRST_MULTI(step, ec, enm); 2684 while (enm != NULL) { 2685 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2686 /* 2687 * We must listen to a range of multicast addresses. 2688 * For now, just accept all multicasts, rather than 2689 * trying to set only those filter bits needed to match 2690 * the range. (At this time, the only use of address 2691 * ranges is for IP multicast routing, for which the 2692 * range is big enough to require all bits set.) 2693 */ 2694 goto allmulti; 2695 } 2696 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2697 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2698 ETHER_NEXT_MULTI(step, enm); 2699 } 2700 2701 if (ifp->if_flags & IFF_BROADCAST) { 2702 /* ...and the broadcast address. */ 2703 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2704 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2705 } 2706 2707 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2708 /* ...and our station address. */ 2709 hash = tlp_mchash(enaddr, hashsize); 2710 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2711 } else { 2712 /* 2713 * Hash-Perfect mode; put our station address after 2714 * the hash table. 2715 */ 2716 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2717 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2718 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2719 } 2720 ifp->if_flags &= ~IFF_ALLMULTI; 2721 goto setit; 2722 2723 allmulti: 2724 /* 2725 * Use Perfect filter mode. First address is the broadcast address, 2726 * and pad the rest with our station address. We'll set Pass-all- 2727 * multicast in OPMODE below. 2728 */ 2729 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2730 sp = TULIP_CDSP(sc); 2731 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2732 cnt = 0; 2733 if (ifp->if_flags & IFF_BROADCAST) { 2734 cnt++; 2735 *sp++ = TULIP_SP_FIELD_C(0xffff); 2736 *sp++ = TULIP_SP_FIELD_C(0xffff); 2737 *sp++ = TULIP_SP_FIELD_C(0xffff); 2738 } 2739 for (; cnt < TULIP_MAXADDRS; cnt++) { 2740 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2741 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2742 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2743 } 2744 ifp->if_flags |= IFF_ALLMULTI; 2745 2746 setit: 2747 if (ifp->if_flags & IFF_ALLMULTI) 2748 sc->sc_opmode |= OPMODE_PM; 2749 2750 /* Sync the setup packet buffer. */ 2751 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2752 2753 /* 2754 * Fill in the setup packet descriptor. 2755 */ 2756 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2757 2758 txs->txs_firstdesc = sc->sc_txnext; 2759 txs->txs_lastdesc = sc->sc_txnext; 2760 txs->txs_ndescs = 1; 2761 txs->txs_mbuf = NULL; 2762 2763 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2764 htole32(TULIP_CDSPADDR(sc)); 2765 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2766 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2767 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2768 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2769 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2770 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2771 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2772 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2773 2774 /* Advance the tx pointer. */ 2775 sc->sc_txfree -= 1; 2776 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2777 2778 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2779 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2780 2781 /* 2782 * Set the OPMODE register. This will also resume the 2783 * transmit transmit process we idled above. 2784 */ 2785 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2786 2787 sc->sc_flags |= TULIPF_DOING_SETUP; 2788 2789 /* 2790 * Kick the transmitter; this will cause the Tulip to 2791 * read the setup descriptor. 2792 */ 2793 /* XXX USE AUTOPOLLING? */ 2794 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2795 2796 /* Set up a watchdog timer in case the chip flakes out. */ 2797 ifp->if_timer = 5; 2798 2799 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2800 } 2801 2802 /* 2803 * tlp_winb_filter_setup: 2804 * 2805 * Set the Winbond 89C840F's receive filter. 2806 */ 2807 void 2808 tlp_winb_filter_setup(sc) 2809 struct tulip_softc *sc; 2810 { 2811 struct ethercom *ec = &sc->sc_ethercom; 2812 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2813 struct ether_multi *enm; 2814 struct ether_multistep step; 2815 u_int32_t hash, mchash[2]; 2816 2817 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2818 sc->sc_dev.dv_xname, sc->sc_flags)); 2819 2820 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2821 2822 if (ifp->if_flags & IFF_MULTICAST) 2823 sc->sc_opmode |= OPMODE_WINB_AMP; 2824 2825 if (ifp->if_flags & IFF_BROADCAST) 2826 sc->sc_opmode |= OPMODE_WINB_ABP; 2827 2828 if (ifp->if_flags & IFF_PROMISC) { 2829 sc->sc_opmode |= OPMODE_WINB_APP; 2830 goto allmulti; 2831 } 2832 2833 mchash[0] = mchash[1] = 0; 2834 2835 ETHER_FIRST_MULTI(step, ec, enm); 2836 while (enm != NULL) { 2837 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2838 /* 2839 * We must listen to a range of multicast addresses. 2840 * For now, just accept all multicasts, rather than 2841 * trying to set only those filter bits needed to match 2842 * the range. (At this time, the only use of address 2843 * ranges is for IP multicast routing, for which the 2844 * range is big enough to require all bits set.) 2845 */ 2846 goto allmulti; 2847 } 2848 2849 /* 2850 * According to the FreeBSD `wb' driver, yes, you 2851 * really do invert the hash. 2852 */ 2853 hash = 2854 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2855 & 0x3f; 2856 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2857 ETHER_NEXT_MULTI(step, enm); 2858 } 2859 ifp->if_flags &= ~IFF_ALLMULTI; 2860 goto setit; 2861 2862 allmulti: 2863 ifp->if_flags |= IFF_ALLMULTI; 2864 mchash[0] = mchash[1] = 0xffffffff; 2865 2866 setit: 2867 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2868 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2869 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2870 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2871 sc->sc_dev.dv_xname)); 2872 } 2873 2874 /* 2875 * tlp_al981_filter_setup: 2876 * 2877 * Set the ADMtek AL981's receive filter. 2878 */ 2879 void 2880 tlp_al981_filter_setup(sc) 2881 struct tulip_softc *sc; 2882 { 2883 struct ethercom *ec = &sc->sc_ethercom; 2884 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2885 struct ether_multi *enm; 2886 struct ether_multistep step; 2887 u_int32_t hash, mchash[2]; 2888 2889 /* 2890 * If the chip is running, we need to reset the interface, 2891 * and will revisit here (with IFF_RUNNING) clear. The 2892 * chip seems to really not like to have its multicast 2893 * filter programmed without a reset. 2894 */ 2895 if (ifp->if_flags & IFF_RUNNING) { 2896 (void) tlp_init(ifp); 2897 return; 2898 } 2899 2900 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2901 sc->sc_dev.dv_xname, sc->sc_flags)); 2902 2903 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2904 2905 if (ifp->if_flags & IFF_PROMISC) { 2906 sc->sc_opmode |= OPMODE_PR; 2907 goto allmulti; 2908 } 2909 2910 mchash[0] = mchash[1] = 0; 2911 2912 ETHER_FIRST_MULTI(step, ec, enm); 2913 while (enm != NULL) { 2914 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2915 /* 2916 * We must listen to a range of multicast addresses. 2917 * For now, just accept all multicasts, rather than 2918 * trying to set only those filter bits needed to match 2919 * the range. (At this time, the only use of address 2920 * ranges is for IP multicast routing, for which the 2921 * range is big enough to require all bits set.) 2922 */ 2923 goto allmulti; 2924 } 2925 2926 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2927 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2928 ETHER_NEXT_MULTI(step, enm); 2929 } 2930 ifp->if_flags &= ~IFF_ALLMULTI; 2931 goto setit; 2932 2933 allmulti: 2934 ifp->if_flags |= IFF_ALLMULTI; 2935 mchash[0] = mchash[1] = 0xffffffff; 2936 2937 setit: 2938 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2939 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2940 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2941 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2942 sc->sc_dev.dv_xname)); 2943 } 2944 2945 /* 2946 * tlp_idle: 2947 * 2948 * Cause the transmit and/or receive processes to go idle. 2949 */ 2950 void 2951 tlp_idle(sc, bits) 2952 struct tulip_softc *sc; 2953 u_int32_t bits; 2954 { 2955 static const char * const tlp_tx_state_names[] = { 2956 "STOPPED", 2957 "RUNNING - FETCH", 2958 "RUNNING - WAIT", 2959 "RUNNING - READING", 2960 "-- RESERVED --", 2961 "RUNNING - SETUP", 2962 "SUSPENDED", 2963 "RUNNING - CLOSE", 2964 }; 2965 static const char * const tlp_rx_state_names[] = { 2966 "STOPPED", 2967 "RUNNING - FETCH", 2968 "RUNNING - CHECK", 2969 "RUNNING - WAIT", 2970 "SUSPENDED", 2971 "RUNNING - CLOSE", 2972 "RUNNING - FLUSH", 2973 "RUNNING - QUEUE", 2974 }; 2975 static const char * const dm9102_tx_state_names[] = { 2976 "STOPPED", 2977 "RUNNING - FETCH", 2978 "RUNNING - SETUP", 2979 "RUNNING - READING", 2980 "RUNNING - CLOSE - CLEAR OWNER", 2981 "RUNNING - WAIT", 2982 "RUNNING - CLOSE - WRITE STATUS", 2983 "SUSPENDED", 2984 }; 2985 static const char * const dm9102_rx_state_names[] = { 2986 "STOPPED", 2987 "RUNNING - FETCH", 2988 "RUNNING - WAIT", 2989 "RUNNING - QUEUE", 2990 "RUNNING - CLOSE - CLEAR OWNER", 2991 "RUNNING - CLOSE - WRITE STATUS", 2992 "SUSPENDED", 2993 "RUNNING - FLUSH", 2994 }; 2995 2996 const char * const *tx_state_names, * const *rx_state_names; 2997 u_int32_t csr, ackmask = 0; 2998 int i; 2999 3000 switch (sc->sc_chip) { 3001 case TULIP_CHIP_DM9102: 3002 case TULIP_CHIP_DM9102A: 3003 tx_state_names = dm9102_tx_state_names; 3004 rx_state_names = dm9102_rx_state_names; 3005 break; 3006 3007 default: 3008 tx_state_names = tlp_tx_state_names; 3009 rx_state_names = tlp_rx_state_names; 3010 break; 3011 } 3012 3013 if (bits & OPMODE_ST) 3014 ackmask |= STATUS_TPS; 3015 3016 if (bits & OPMODE_SR) 3017 ackmask |= STATUS_RPS; 3018 3019 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3020 3021 for (i = 0; i < 1000; i++) { 3022 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3023 break; 3024 delay(10); 3025 } 3026 3027 csr = TULIP_READ(sc, CSR_STATUS); 3028 if ((csr & ackmask) != ackmask) { 3029 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3030 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3031 printf("%s: transmit process failed to idle: " 3032 "state %s\n", sc->sc_dev.dv_xname, 3033 tx_state_names[(csr & STATUS_TS) >> 20]); 3034 } 3035 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3036 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3037 switch (sc->sc_chip) { 3038 case TULIP_CHIP_AN983: 3039 case TULIP_CHIP_AN985: 3040 /* 3041 * Filter the message out on noisy chips. 3042 */ 3043 break; 3044 default: 3045 printf("%s: receive process failed to idle: " 3046 "state %s\n", sc->sc_dev.dv_xname, 3047 rx_state_names[(csr & STATUS_RS) >> 17]); 3048 } 3049 } 3050 } 3051 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3052 } 3053 3054 /***************************************************************************** 3055 * Generic media support functions. 3056 *****************************************************************************/ 3057 3058 /* 3059 * tlp_mediastatus: [ifmedia interface function] 3060 * 3061 * Query the current media. 3062 */ 3063 void 3064 tlp_mediastatus(ifp, ifmr) 3065 struct ifnet *ifp; 3066 struct ifmediareq *ifmr; 3067 { 3068 struct tulip_softc *sc = ifp->if_softc; 3069 3070 if (TULIP_IS_ENABLED(sc) == 0) { 3071 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3072 ifmr->ifm_status = 0; 3073 return; 3074 } 3075 3076 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3077 } 3078 3079 /* 3080 * tlp_mediachange: [ifmedia interface function] 3081 * 3082 * Update the current media. 3083 */ 3084 int 3085 tlp_mediachange(ifp) 3086 struct ifnet *ifp; 3087 { 3088 struct tulip_softc *sc = ifp->if_softc; 3089 3090 if ((ifp->if_flags & IFF_UP) == 0) 3091 return (0); 3092 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3093 } 3094 3095 /***************************************************************************** 3096 * Support functions for MII-attached media. 3097 *****************************************************************************/ 3098 3099 /* 3100 * tlp_mii_tick: 3101 * 3102 * One second timer, used to tick the MII. 3103 */ 3104 void 3105 tlp_mii_tick(arg) 3106 void *arg; 3107 { 3108 struct tulip_softc *sc = arg; 3109 int s; 3110 3111 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3112 return; 3113 3114 s = splnet(); 3115 mii_tick(&sc->sc_mii); 3116 splx(s); 3117 3118 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3119 } 3120 3121 /* 3122 * tlp_mii_statchg: [mii interface function] 3123 * 3124 * Callback from PHY when media changes. 3125 */ 3126 void 3127 tlp_mii_statchg(self) 3128 struct device *self; 3129 { 3130 struct tulip_softc *sc = (struct tulip_softc *)self; 3131 3132 /* Idle the transmit and receive processes. */ 3133 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3134 3135 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3136 3137 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3138 sc->sc_opmode |= OPMODE_TTM; 3139 else 3140 sc->sc_opmode |= OPMODE_HBD; 3141 3142 if (sc->sc_mii.mii_media_active & IFM_FDX) 3143 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3144 3145 /* 3146 * Write new OPMODE bits. This also restarts the transmit 3147 * and receive processes. 3148 */ 3149 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3150 } 3151 3152 /* 3153 * tlp_winb_mii_statchg: [mii interface function] 3154 * 3155 * Callback from PHY when media changes. This version is 3156 * for the Winbond 89C840F, which has different OPMODE bits. 3157 */ 3158 void 3159 tlp_winb_mii_statchg(self) 3160 struct device *self; 3161 { 3162 struct tulip_softc *sc = (struct tulip_softc *)self; 3163 3164 /* Idle the transmit and receive processes. */ 3165 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3166 3167 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3168 3169 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3170 sc->sc_opmode |= OPMODE_WINB_FES; 3171 3172 if (sc->sc_mii.mii_media_active & IFM_FDX) 3173 sc->sc_opmode |= OPMODE_FD; 3174 3175 /* 3176 * Write new OPMODE bits. This also restarts the transmit 3177 * and receive processes. 3178 */ 3179 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3180 } 3181 3182 /* 3183 * tlp_dm9102_mii_statchg: [mii interface function] 3184 * 3185 * Callback from PHY when media changes. This version is 3186 * for the DM9102. 3187 */ 3188 void 3189 tlp_dm9102_mii_statchg(self) 3190 struct device *self; 3191 { 3192 struct tulip_softc *sc = (struct tulip_softc *)self; 3193 3194 /* 3195 * Don't idle the transmit and receive processes, here. It 3196 * seems to fail, and just causes excess noise. 3197 */ 3198 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3199 3200 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3201 sc->sc_opmode |= OPMODE_TTM; 3202 3203 if (sc->sc_mii.mii_media_active & IFM_FDX) 3204 sc->sc_opmode |= OPMODE_FD; 3205 3206 /* 3207 * Write new OPMODE bits. 3208 */ 3209 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3210 } 3211 3212 /* 3213 * tlp_mii_getmedia: 3214 * 3215 * Callback from ifmedia to request current media status. 3216 */ 3217 void 3218 tlp_mii_getmedia(sc, ifmr) 3219 struct tulip_softc *sc; 3220 struct ifmediareq *ifmr; 3221 { 3222 3223 mii_pollstat(&sc->sc_mii); 3224 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3225 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3226 } 3227 3228 /* 3229 * tlp_mii_setmedia: 3230 * 3231 * Callback from ifmedia to request new media setting. 3232 */ 3233 int 3234 tlp_mii_setmedia(sc) 3235 struct tulip_softc *sc; 3236 { 3237 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3238 3239 if (ifp->if_flags & IFF_UP) { 3240 switch (sc->sc_chip) { 3241 case TULIP_CHIP_21142: 3242 case TULIP_CHIP_21143: 3243 /* Disable the internal Nway engine. */ 3244 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3245 break; 3246 3247 default: 3248 /* Nothing. */ 3249 break; 3250 } 3251 mii_mediachg(&sc->sc_mii); 3252 } 3253 return (0); 3254 } 3255 3256 /* 3257 * tlp_bitbang_mii_readreg: 3258 * 3259 * Read a PHY register via bit-bang'ing the MII. 3260 */ 3261 int 3262 tlp_bitbang_mii_readreg(self, phy, reg) 3263 struct device *self; 3264 int phy, reg; 3265 { 3266 struct tulip_softc *sc = (void *) self; 3267 3268 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3269 } 3270 3271 /* 3272 * tlp_bitbang_mii_writereg: 3273 * 3274 * Write a PHY register via bit-bang'ing the MII. 3275 */ 3276 void 3277 tlp_bitbang_mii_writereg(self, phy, reg, val) 3278 struct device *self; 3279 int phy, reg, val; 3280 { 3281 struct tulip_softc *sc = (void *) self; 3282 3283 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3284 } 3285 3286 /* 3287 * tlp_sio_mii_bitbang_read: 3288 * 3289 * Read the MII serial port for the MII bit-bang module. 3290 */ 3291 u_int32_t 3292 tlp_sio_mii_bitbang_read(self) 3293 struct device *self; 3294 { 3295 struct tulip_softc *sc = (void *) self; 3296 3297 return (TULIP_READ(sc, CSR_MIIROM)); 3298 } 3299 3300 /* 3301 * tlp_sio_mii_bitbang_write: 3302 * 3303 * Write the MII serial port for the MII bit-bang module. 3304 */ 3305 void 3306 tlp_sio_mii_bitbang_write(self, val) 3307 struct device *self; 3308 u_int32_t val; 3309 { 3310 struct tulip_softc *sc = (void *) self; 3311 3312 TULIP_WRITE(sc, CSR_MIIROM, val); 3313 } 3314 3315 /* 3316 * tlp_pnic_mii_readreg: 3317 * 3318 * Read a PHY register on the Lite-On PNIC. 3319 */ 3320 int 3321 tlp_pnic_mii_readreg(self, phy, reg) 3322 struct device *self; 3323 int phy, reg; 3324 { 3325 struct tulip_softc *sc = (void *) self; 3326 u_int32_t val; 3327 int i; 3328 3329 TULIP_WRITE(sc, CSR_PNIC_MII, 3330 PNIC_MII_MBO | PNIC_MII_RESERVED | 3331 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3332 (reg << PNIC_MII_REGSHIFT)); 3333 3334 for (i = 0; i < 1000; i++) { 3335 delay(10); 3336 val = TULIP_READ(sc, CSR_PNIC_MII); 3337 if ((val & PNIC_MII_BUSY) == 0) { 3338 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3339 return (0); 3340 else 3341 return (val & PNIC_MII_DATA); 3342 } 3343 } 3344 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3345 return (0); 3346 } 3347 3348 /* 3349 * tlp_pnic_mii_writereg: 3350 * 3351 * Write a PHY register on the Lite-On PNIC. 3352 */ 3353 void 3354 tlp_pnic_mii_writereg(self, phy, reg, val) 3355 struct device *self; 3356 int phy, reg, val; 3357 { 3358 struct tulip_softc *sc = (void *) self; 3359 int i; 3360 3361 TULIP_WRITE(sc, CSR_PNIC_MII, 3362 PNIC_MII_MBO | PNIC_MII_RESERVED | 3363 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3364 (reg << PNIC_MII_REGSHIFT) | val); 3365 3366 for (i = 0; i < 1000; i++) { 3367 delay(10); 3368 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3369 return; 3370 } 3371 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3372 } 3373 3374 const bus_addr_t tlp_al981_phy_regmap[] = { 3375 CSR_ADM_BMCR, 3376 CSR_ADM_BMSR, 3377 CSR_ADM_PHYIDR1, 3378 CSR_ADM_PHYIDR2, 3379 CSR_ADM_ANAR, 3380 CSR_ADM_ANLPAR, 3381 CSR_ADM_ANER, 3382 3383 CSR_ADM_XMC, 3384 CSR_ADM_XCIIS, 3385 CSR_ADM_XIE, 3386 CSR_ADM_100CTR, 3387 }; 3388 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3389 sizeof(tlp_al981_phy_regmap[0]); 3390 3391 /* 3392 * tlp_al981_mii_readreg: 3393 * 3394 * Read a PHY register on the ADMtek AL981. 3395 */ 3396 int 3397 tlp_al981_mii_readreg(self, phy, reg) 3398 struct device *self; 3399 int phy, reg; 3400 { 3401 struct tulip_softc *sc = (struct tulip_softc *)self; 3402 3403 /* AL981 only has an internal PHY. */ 3404 if (phy != 0) 3405 return (0); 3406 3407 if (reg >= tlp_al981_phy_regmap_size) 3408 return (0); 3409 3410 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3411 tlp_al981_phy_regmap[reg]) & 0xffff); 3412 } 3413 3414 /* 3415 * tlp_al981_mii_writereg: 3416 * 3417 * Write a PHY register on the ADMtek AL981. 3418 */ 3419 void 3420 tlp_al981_mii_writereg(self, phy, reg, val) 3421 struct device *self; 3422 int phy, reg, val; 3423 { 3424 struct tulip_softc *sc = (struct tulip_softc *)self; 3425 3426 /* AL981 only has an internal PHY. */ 3427 if (phy != 0) 3428 return; 3429 3430 if (reg >= tlp_al981_phy_regmap_size) 3431 return; 3432 3433 bus_space_write_4(sc->sc_st, sc->sc_sh, 3434 tlp_al981_phy_regmap[reg], val); 3435 } 3436 3437 /***************************************************************************** 3438 * Chip-specific pre-init and reset functions. 3439 *****************************************************************************/ 3440 3441 /* 3442 * tlp_2114x_preinit: 3443 * 3444 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3445 */ 3446 void 3447 tlp_2114x_preinit(sc) 3448 struct tulip_softc *sc; 3449 { 3450 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3451 struct tulip_21x4x_media *tm = ife->ifm_aux; 3452 3453 /* 3454 * Whether or not we're in MII or SIA/SYM mode, the media info 3455 * contains the appropriate OPMODE bits. 3456 * 3457 * Also, we always set the Must-Be-One bit. 3458 */ 3459 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3460 3461 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3462 } 3463 3464 /* 3465 * tlp_2114x_mii_preinit: 3466 * 3467 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3468 * This version is used by boards which only have MII and don't have 3469 * an ISV SROM. 3470 */ 3471 void 3472 tlp_2114x_mii_preinit(sc) 3473 struct tulip_softc *sc; 3474 { 3475 3476 /* 3477 * Always set the Must-Be-One bit, and Port Select (to select MII). 3478 * We'll never be called during a media change. 3479 */ 3480 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3481 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3482 } 3483 3484 /* 3485 * tlp_pnic_preinit: 3486 * 3487 * Pre-init function for the Lite-On 82c168 and 82c169. 3488 */ 3489 void 3490 tlp_pnic_preinit(sc) 3491 struct tulip_softc *sc; 3492 { 3493 3494 if (sc->sc_flags & TULIPF_HAS_MII) { 3495 /* 3496 * MII case: just set the port-select bit; we will never 3497 * be called during a media change. 3498 */ 3499 sc->sc_opmode |= OPMODE_PS; 3500 } else { 3501 /* 3502 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3503 */ 3504 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3505 } 3506 } 3507 3508 /* 3509 * tlp_dm9102_preinit: 3510 * 3511 * Pre-init function for the Davicom DM9102. 3512 */ 3513 void 3514 tlp_dm9102_preinit(sc) 3515 struct tulip_softc *sc; 3516 { 3517 3518 switch (sc->sc_chip) { 3519 case TULIP_CHIP_DM9102: 3520 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3521 break; 3522 3523 case TULIP_CHIP_DM9102A: 3524 /* 3525 * XXX Figure out how to actually deal with the HomePNA 3526 * XXX portion of the DM9102A. 3527 */ 3528 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3529 break; 3530 3531 default: 3532 /* Nothing. */ 3533 break; 3534 } 3535 3536 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3537 } 3538 3539 /* 3540 * tlp_21140_reset: 3541 * 3542 * Issue a reset sequence on the 21140 via the GPIO facility. 3543 */ 3544 void 3545 tlp_21140_reset(sc) 3546 struct tulip_softc *sc; 3547 { 3548 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3549 struct tulip_21x4x_media *tm = ife->ifm_aux; 3550 int i; 3551 3552 /* First, set the direction on the GPIO pins. */ 3553 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3554 3555 /* Now, issue the reset sequence. */ 3556 for (i = 0; i < tm->tm_reset_length; i++) { 3557 delay(10); 3558 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3559 } 3560 3561 /* Now, issue the selection sequence. */ 3562 for (i = 0; i < tm->tm_gp_length; i++) { 3563 delay(10); 3564 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3565 } 3566 3567 /* If there were no sequences, just lower the pins. */ 3568 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3569 delay(10); 3570 TULIP_WRITE(sc, CSR_GPP, 0); 3571 } 3572 } 3573 3574 /* 3575 * tlp_21142_reset: 3576 * 3577 * Issue a reset sequence on the 21142 via the GPIO facility. 3578 */ 3579 void 3580 tlp_21142_reset(sc) 3581 struct tulip_softc *sc; 3582 { 3583 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3584 struct tulip_21x4x_media *tm = ife->ifm_aux; 3585 const u_int8_t *cp; 3586 int i; 3587 3588 cp = &sc->sc_srom[tm->tm_reset_offset]; 3589 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3590 delay(10); 3591 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3592 } 3593 3594 cp = &sc->sc_srom[tm->tm_gp_offset]; 3595 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3596 delay(10); 3597 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3598 } 3599 3600 /* If there were no sequences, just lower the pins. */ 3601 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3602 delay(10); 3603 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3604 } 3605 } 3606 3607 /* 3608 * tlp_pmac_reset: 3609 * 3610 * Reset routine for Macronix chips. 3611 */ 3612 void 3613 tlp_pmac_reset(sc) 3614 struct tulip_softc *sc; 3615 { 3616 3617 switch (sc->sc_chip) { 3618 case TULIP_CHIP_82C115: 3619 case TULIP_CHIP_MX98715: 3620 case TULIP_CHIP_MX98715A: 3621 case TULIP_CHIP_MX98725: 3622 /* 3623 * Set the LED operating mode. This information is located 3624 * in the EEPROM at byte offset 0x77, per the MX98715A and 3625 * MX98725 application notes. 3626 */ 3627 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3628 break; 3629 case TULIP_CHIP_MX98715AEC_X: 3630 /* 3631 * Set the LED operating mode. This information is located 3632 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3633 * application note. 3634 */ 3635 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3636 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3637 break; 3638 3639 default: 3640 /* Nothing. */ 3641 break; 3642 } 3643 } 3644 3645 /* 3646 * tlp_dm9102_reset: 3647 * 3648 * Reset routine for the Davicom DM9102. 3649 */ 3650 void 3651 tlp_dm9102_reset(sc) 3652 struct tulip_softc *sc; 3653 { 3654 3655 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3656 delay(100); 3657 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3658 } 3659 3660 /***************************************************************************** 3661 * Chip/board-specific media switches. The ones here are ones that 3662 * are potentially common to multiple front-ends. 3663 *****************************************************************************/ 3664 3665 /* 3666 * This table is a common place for all sorts of media information, 3667 * keyed off of the SROM media code for that media. 3668 * 3669 * Note that we explicitly configure the 21142/21143 to always advertise 3670 * NWay capabilities when using the UTP port. 3671 * XXX Actually, we don't yet. 3672 */ 3673 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3674 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3675 "10baseT", 3676 OPMODE_TTM, 3677 BMSR_10THDX, 3678 { SIACONN_21040_10BASET, 3679 SIATXRX_21040_10BASET, 3680 SIAGEN_21040_10BASET }, 3681 3682 { SIACONN_21041_10BASET, 3683 SIATXRX_21041_10BASET, 3684 SIAGEN_21041_10BASET }, 3685 3686 { SIACONN_21142_10BASET, 3687 SIATXRX_21142_10BASET, 3688 SIAGEN_21142_10BASET } }, 3689 3690 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3691 "10base2", 3692 0, 3693 0, 3694 { 0, 3695 0, 3696 0 }, 3697 3698 { SIACONN_21041_BNC, 3699 SIATXRX_21041_BNC, 3700 SIAGEN_21041_BNC }, 3701 3702 { SIACONN_21142_BNC, 3703 SIATXRX_21142_BNC, 3704 SIAGEN_21142_BNC } }, 3705 3706 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3707 "10base5", 3708 0, 3709 0, 3710 { SIACONN_21040_AUI, 3711 SIATXRX_21040_AUI, 3712 SIAGEN_21040_AUI }, 3713 3714 { SIACONN_21041_AUI, 3715 SIATXRX_21041_AUI, 3716 SIAGEN_21041_AUI }, 3717 3718 { SIACONN_21142_AUI, 3719 SIATXRX_21142_AUI, 3720 SIAGEN_21142_AUI } }, 3721 3722 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3723 "100baseTX", 3724 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3725 BMSR_100TXHDX, 3726 { 0, 3727 0, 3728 0 }, 3729 3730 { 0, 3731 0, 3732 0 }, 3733 3734 { 0, 3735 0, 3736 SIAGEN_ABM } }, 3737 3738 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3739 "10baseT-FDX", 3740 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3741 BMSR_10TFDX, 3742 { SIACONN_21040_10BASET_FDX, 3743 SIATXRX_21040_10BASET_FDX, 3744 SIAGEN_21040_10BASET_FDX }, 3745 3746 { SIACONN_21041_10BASET_FDX, 3747 SIATXRX_21041_10BASET_FDX, 3748 SIAGEN_21041_10BASET_FDX }, 3749 3750 { SIACONN_21142_10BASET_FDX, 3751 SIATXRX_21142_10BASET_FDX, 3752 SIAGEN_21142_10BASET_FDX } }, 3753 3754 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3755 "100baseTX-FDX", 3756 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3757 BMSR_100TXFDX, 3758 { 0, 3759 0, 3760 0 }, 3761 3762 { 0, 3763 0, 3764 0 }, 3765 3766 { 0, 3767 0, 3768 SIAGEN_ABM } }, 3769 3770 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3771 "100baseT4", 3772 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3773 BMSR_100T4, 3774 { 0, 3775 0, 3776 0 }, 3777 3778 { 0, 3779 0, 3780 0 }, 3781 3782 { 0, 3783 0, 3784 SIAGEN_ABM } }, 3785 3786 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3787 "100baseFX", 3788 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3789 0, 3790 { 0, 3791 0, 3792 0 }, 3793 3794 { 0, 3795 0, 3796 0 }, 3797 3798 { 0, 3799 0, 3800 SIAGEN_ABM } }, 3801 3802 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3803 "100baseFX-FDX", 3804 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3805 0, 3806 { 0, 3807 0, 3808 0 }, 3809 3810 { 0, 3811 0, 3812 0 }, 3813 3814 { 0, 3815 0, 3816 SIAGEN_ABM } }, 3817 3818 { 0, 0, 0, 3819 NULL, 3820 0, 3821 0, 3822 { 0, 3823 0, 3824 0 }, 3825 3826 { 0, 3827 0, 3828 0 }, 3829 3830 { 0, 3831 0, 3832 0 } }, 3833 }; 3834 3835 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3836 void tlp_srom_media_info __P((struct tulip_softc *, 3837 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3838 void tlp_add_srom_media __P((struct tulip_softc *, int, 3839 void (*)(struct tulip_softc *, struct ifmediareq *), 3840 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3841 void tlp_print_media __P((struct tulip_softc *)); 3842 void tlp_nway_activate __P((struct tulip_softc *, int)); 3843 void tlp_get_minst __P((struct tulip_softc *)); 3844 3845 const struct tulip_srom_to_ifmedia * 3846 tlp_srom_to_ifmedia(sm) 3847 u_int8_t sm; 3848 { 3849 const struct tulip_srom_to_ifmedia *tsti; 3850 3851 for (tsti = tulip_srom_to_ifmedia_table; 3852 tsti->tsti_name != NULL; tsti++) { 3853 if (tsti->tsti_srom == sm) 3854 return (tsti); 3855 } 3856 3857 return (NULL); 3858 } 3859 3860 void 3861 tlp_srom_media_info(sc, tsti, tm) 3862 struct tulip_softc *sc; 3863 const struct tulip_srom_to_ifmedia *tsti; 3864 struct tulip_21x4x_media *tm; 3865 { 3866 3867 tm->tm_name = tsti->tsti_name; 3868 tm->tm_opmode = tsti->tsti_opmode; 3869 3870 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3871 3872 switch (sc->sc_chip) { 3873 case TULIP_CHIP_DE425: 3874 case TULIP_CHIP_21040: 3875 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3876 break; 3877 3878 case TULIP_CHIP_21041: 3879 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3880 break; 3881 3882 case TULIP_CHIP_21142: 3883 case TULIP_CHIP_21143: 3884 case TULIP_CHIP_82C115: 3885 case TULIP_CHIP_MX98715: 3886 case TULIP_CHIP_MX98715A: 3887 case TULIP_CHIP_MX98715AEC_X: 3888 case TULIP_CHIP_MX98725: 3889 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3890 break; 3891 3892 default: 3893 /* Nothing. */ 3894 break; 3895 } 3896 } 3897 3898 void 3899 tlp_add_srom_media(sc, type, get, set, list, cnt) 3900 struct tulip_softc *sc; 3901 int type; 3902 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3903 int (*set) __P((struct tulip_softc *)); 3904 const u_int8_t *list; 3905 int cnt; 3906 { 3907 struct tulip_21x4x_media *tm; 3908 const struct tulip_srom_to_ifmedia *tsti; 3909 int i; 3910 3911 for (i = 0; i < cnt; i++) { 3912 tsti = tlp_srom_to_ifmedia(list[i]); 3913 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3914 tlp_srom_media_info(sc, tsti, tm); 3915 tm->tm_type = type; 3916 tm->tm_get = get; 3917 tm->tm_set = set; 3918 3919 ifmedia_add(&sc->sc_mii.mii_media, 3920 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3921 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3922 } 3923 } 3924 3925 void 3926 tlp_print_media(sc) 3927 struct tulip_softc *sc; 3928 { 3929 struct ifmedia_entry *ife; 3930 struct tulip_21x4x_media *tm; 3931 const char *sep = ""; 3932 3933 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3934 3935 printf("%s: ", sc->sc_dev.dv_xname); 3936 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3937 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3938 tm = ife->ifm_aux; 3939 if (tm == NULL) { 3940 #ifdef DIAGNOSTIC 3941 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3942 panic("tlp_print_media"); 3943 #endif 3944 PRINT("auto"); 3945 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3946 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3947 PRINT(tm->tm_name); 3948 } 3949 } 3950 printf("\n"); 3951 3952 #undef PRINT 3953 } 3954 3955 void 3956 tlp_nway_activate(sc, media) 3957 struct tulip_softc *sc; 3958 int media; 3959 { 3960 struct ifmedia_entry *ife; 3961 3962 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3963 #ifdef DIAGNOSTIC 3964 if (ife == NULL) 3965 panic("tlp_nway_activate"); 3966 #endif 3967 sc->sc_nway_active = ife; 3968 } 3969 3970 void 3971 tlp_get_minst(sc) 3972 struct tulip_softc *sc; 3973 { 3974 3975 if ((sc->sc_media_seen & 3976 ~((1 << TULIP_ROM_MB_21140_MII) | 3977 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3978 /* 3979 * We have not yet seen any SIA/SYM media (but are 3980 * about to; that's why we're called!), so assign 3981 * the current media instance to be the `internal media' 3982 * instance, and advance it so any MII media gets a 3983 * fresh one (used to selecting/isolating a PHY). 3984 */ 3985 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3986 } 3987 } 3988 3989 /* 3990 * SIA Utility functions. 3991 */ 3992 void tlp_sia_update_link __P((struct tulip_softc *)); 3993 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3994 int tlp_sia_set __P((struct tulip_softc *)); 3995 int tlp_sia_media __P((struct tulip_softc *, struct ifmedia_entry *)); 3996 void tlp_sia_fixup __P((struct tulip_softc *)); 3997 3998 void 3999 tlp_sia_update_link(sc) 4000 struct tulip_softc *sc; 4001 { 4002 struct ifmedia_entry *ife; 4003 struct tulip_21x4x_media *tm; 4004 u_int32_t siastat; 4005 4006 ife = TULIP_CURRENT_MEDIA(sc); 4007 tm = ife->ifm_aux; 4008 4009 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4010 4011 siastat = TULIP_READ(sc, CSR_SIASTAT); 4012 4013 /* 4014 * Note that when we do SIA link tests, we are assuming that 4015 * the chip is really in the mode that the current media setting 4016 * reflects. If we're not, then the link tests will not be 4017 * accurate! 4018 */ 4019 switch (IFM_SUBTYPE(ife->ifm_media)) { 4020 case IFM_10_T: 4021 sc->sc_flags |= TULIPF_LINK_VALID; 4022 if ((siastat & SIASTAT_LS10) == 0) 4023 sc->sc_flags |= TULIPF_LINK_UP; 4024 break; 4025 4026 case IFM_100_TX: 4027 case IFM_100_T4: 4028 sc->sc_flags |= TULIPF_LINK_VALID; 4029 if ((siastat & SIASTAT_LS100) == 0) 4030 sc->sc_flags |= TULIPF_LINK_UP; 4031 break; 4032 } 4033 4034 switch (sc->sc_chip) { 4035 case TULIP_CHIP_21142: 4036 case TULIP_CHIP_21143: 4037 /* 4038 * On these chips, we can tell more information about 4039 * AUI/BNC. Note that the AUI/BNC selection is made 4040 * in a different register; for our purpose, it's all 4041 * AUI. 4042 */ 4043 switch (IFM_SUBTYPE(ife->ifm_media)) { 4044 case IFM_10_2: 4045 case IFM_10_5: 4046 sc->sc_flags |= TULIPF_LINK_VALID; 4047 if (siastat & SIASTAT_ARA) { 4048 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4049 sc->sc_flags |= TULIPF_LINK_UP; 4050 } 4051 break; 4052 4053 default: 4054 /* 4055 * If we're SYM media and can detect the link 4056 * via the GPIO facility, prefer that status 4057 * over LS100. 4058 */ 4059 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4060 tm->tm_actmask != 0) { 4061 sc->sc_flags = (sc->sc_flags & 4062 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4063 if (TULIP_ISSET(sc, CSR_SIAGEN, 4064 tm->tm_actmask) == tm->tm_actdata) 4065 sc->sc_flags |= TULIPF_LINK_UP; 4066 } 4067 } 4068 break; 4069 4070 default: 4071 /* Nothing. */ 4072 break; 4073 } 4074 } 4075 4076 void 4077 tlp_sia_get(sc, ifmr) 4078 struct tulip_softc *sc; 4079 struct ifmediareq *ifmr; 4080 { 4081 struct ifmedia_entry *ife; 4082 4083 ifmr->ifm_status = 0; 4084 4085 tlp_sia_update_link(sc); 4086 4087 ife = TULIP_CURRENT_MEDIA(sc); 4088 4089 if (sc->sc_flags & TULIPF_LINK_VALID) 4090 ifmr->ifm_status |= IFM_AVALID; 4091 if (sc->sc_flags & TULIPF_LINK_UP) 4092 ifmr->ifm_status |= IFM_ACTIVE; 4093 ifmr->ifm_active = ife->ifm_media; 4094 } 4095 4096 void 4097 tlp_sia_fixup(sc) 4098 struct tulip_softc *sc; 4099 { 4100 struct ifmedia_entry *ife; 4101 struct tulip_21x4x_media *tm; 4102 u_int32_t siaconn, siatxrx, siagen; 4103 4104 switch (sc->sc_chip) { 4105 case TULIP_CHIP_82C115: 4106 case TULIP_CHIP_MX98713A: 4107 case TULIP_CHIP_MX98715: 4108 case TULIP_CHIP_MX98715A: 4109 case TULIP_CHIP_MX98715AEC_X: 4110 case TULIP_CHIP_MX98725: 4111 siaconn = PMAC_SIACONN_MASK; 4112 siatxrx = PMAC_SIATXRX_MASK; 4113 siagen = PMAC_SIAGEN_MASK; 4114 break; 4115 4116 default: 4117 /* No fixups required on any other chips. */ 4118 return; 4119 } 4120 4121 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4122 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4123 tm = ife->ifm_aux; 4124 if (tm == NULL) 4125 continue; 4126 4127 tm->tm_siaconn &= siaconn; 4128 tm->tm_siatxrx &= siatxrx; 4129 tm->tm_siagen &= siagen; 4130 } 4131 } 4132 4133 int 4134 tlp_sia_set(sc) 4135 struct tulip_softc *sc; 4136 { 4137 4138 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4139 } 4140 4141 int 4142 tlp_sia_media(sc, ife) 4143 struct tulip_softc *sc; 4144 struct ifmedia_entry *ife; 4145 { 4146 struct tulip_21x4x_media *tm; 4147 4148 tm = ife->ifm_aux; 4149 4150 /* 4151 * XXX This appears to be necessary on a bunch of the clone chips. 4152 */ 4153 delay(20000); 4154 4155 /* 4156 * Idle the chip. 4157 */ 4158 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4159 4160 /* 4161 * Program the SIA. It's important to write in this order, 4162 * resetting the SIA first. 4163 */ 4164 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4165 delay(1000); 4166 4167 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4168 4169 switch (sc->sc_chip) { 4170 case TULIP_CHIP_21142: 4171 case TULIP_CHIP_21143: 4172 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4173 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4174 break; 4175 default: 4176 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4177 } 4178 4179 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4180 4181 /* 4182 * Set the OPMODE bits for this media and write OPMODE. 4183 * This will resume the transmit and receive processes. 4184 */ 4185 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4186 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4187 4188 return (0); 4189 } 4190 4191 /* 4192 * 21140 GPIO utility functions. 4193 */ 4194 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4195 4196 void 4197 tlp_21140_gpio_update_link(sc) 4198 struct tulip_softc *sc; 4199 { 4200 struct ifmedia_entry *ife; 4201 struct tulip_21x4x_media *tm; 4202 4203 ife = TULIP_CURRENT_MEDIA(sc); 4204 tm = ife->ifm_aux; 4205 4206 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4207 4208 if (tm->tm_actmask != 0) { 4209 sc->sc_flags |= TULIPF_LINK_VALID; 4210 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4211 tm->tm_actdata) 4212 sc->sc_flags |= TULIPF_LINK_UP; 4213 } 4214 } 4215 4216 void 4217 tlp_21140_gpio_get(sc, ifmr) 4218 struct tulip_softc *sc; 4219 struct ifmediareq *ifmr; 4220 { 4221 struct ifmedia_entry *ife; 4222 4223 ifmr->ifm_status = 0; 4224 4225 tlp_21140_gpio_update_link(sc); 4226 4227 ife = TULIP_CURRENT_MEDIA(sc); 4228 4229 if (sc->sc_flags & TULIPF_LINK_VALID) 4230 ifmr->ifm_status |= IFM_AVALID; 4231 if (sc->sc_flags & TULIPF_LINK_UP) 4232 ifmr->ifm_status |= IFM_ACTIVE; 4233 ifmr->ifm_active = ife->ifm_media; 4234 } 4235 4236 int 4237 tlp_21140_gpio_set(sc) 4238 struct tulip_softc *sc; 4239 { 4240 struct ifmedia_entry *ife; 4241 struct tulip_21x4x_media *tm; 4242 4243 ife = TULIP_CURRENT_MEDIA(sc); 4244 tm = ife->ifm_aux; 4245 4246 /* 4247 * Idle the chip. 4248 */ 4249 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4250 4251 /* 4252 * Set the GPIO pins for this media, to flip any 4253 * relays, etc. 4254 */ 4255 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4256 delay(10); 4257 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4258 4259 /* 4260 * Set the OPMODE bits for this media and write OPMODE. 4261 * This will resume the transmit and receive processes. 4262 */ 4263 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4264 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4265 4266 return (0); 4267 } 4268 4269 /* 4270 * 21040 and 21041 media switches. 4271 */ 4272 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4273 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4274 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4275 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4276 4277 const struct tulip_mediasw tlp_21040_mediasw = { 4278 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4279 }; 4280 4281 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4282 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4283 }; 4284 4285 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4286 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4287 }; 4288 4289 const struct tulip_mediasw tlp_21041_mediasw = { 4290 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4291 }; 4292 4293 4294 void 4295 tlp_21040_tmsw_init(sc) 4296 struct tulip_softc *sc; 4297 { 4298 static const u_int8_t media[] = { 4299 TULIP_ROM_MB_MEDIA_TP, 4300 TULIP_ROM_MB_MEDIA_TP_FDX, 4301 TULIP_ROM_MB_MEDIA_AUI, 4302 }; 4303 struct tulip_21x4x_media *tm; 4304 4305 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4306 tlp_mediastatus); 4307 4308 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4309 4310 /* 4311 * No SROM type for External SIA. 4312 */ 4313 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4314 tm->tm_name = "manual"; 4315 tm->tm_opmode = 0; 4316 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4317 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4318 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4319 ifmedia_add(&sc->sc_mii.mii_media, 4320 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4321 4322 /* 4323 * XXX Autosense not yet supported. 4324 */ 4325 4326 /* XXX This should be auto-sense. */ 4327 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4328 4329 tlp_print_media(sc); 4330 } 4331 4332 void 4333 tlp_21040_tp_tmsw_init(sc) 4334 struct tulip_softc *sc; 4335 { 4336 static const u_int8_t media[] = { 4337 TULIP_ROM_MB_MEDIA_TP, 4338 TULIP_ROM_MB_MEDIA_TP_FDX, 4339 }; 4340 4341 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4342 tlp_mediastatus); 4343 4344 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4345 4346 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4347 4348 tlp_print_media(sc); 4349 } 4350 4351 void 4352 tlp_21040_auibnc_tmsw_init(sc) 4353 struct tulip_softc *sc; 4354 { 4355 static const u_int8_t media[] = { 4356 TULIP_ROM_MB_MEDIA_AUI, 4357 }; 4358 4359 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4360 tlp_mediastatus); 4361 4362 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4363 4364 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4365 4366 tlp_print_media(sc); 4367 } 4368 4369 void 4370 tlp_21041_tmsw_init(sc) 4371 struct tulip_softc *sc; 4372 { 4373 static const u_int8_t media[] = { 4374 TULIP_ROM_MB_MEDIA_TP, 4375 TULIP_ROM_MB_MEDIA_TP_FDX, 4376 TULIP_ROM_MB_MEDIA_BNC, 4377 TULIP_ROM_MB_MEDIA_AUI, 4378 }; 4379 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4380 const struct tulip_srom_to_ifmedia *tsti; 4381 struct tulip_21x4x_media *tm; 4382 u_int16_t romdef; 4383 u_int8_t mb; 4384 4385 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4386 tlp_mediastatus); 4387 4388 if (tlp_isv_srom(sc->sc_srom) == 0) { 4389 not_isv_srom: 4390 /* 4391 * If we have a board without the standard 21041 SROM format, 4392 * we just assume all media are present and try and pick a 4393 * reasonable default. 4394 */ 4395 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4396 4397 /* 4398 * XXX Autosense not yet supported. 4399 */ 4400 4401 /* XXX This should be auto-sense. */ 4402 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4403 4404 tlp_print_media(sc); 4405 return; 4406 } 4407 4408 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4409 for (i = 0; i < devcnt; i++) { 4410 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4411 break; 4412 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4413 sc->sc_devno) 4414 break; 4415 } 4416 4417 if (i == devcnt) 4418 goto not_isv_srom; 4419 4420 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4421 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4422 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4423 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4424 4425 for (; m_cnt != 0; 4426 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4427 mb = sc->sc_srom[mb_offset]; 4428 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4429 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4430 case TULIP_ROM_MB_MEDIA_TP_FDX: 4431 case TULIP_ROM_MB_MEDIA_TP: 4432 case TULIP_ROM_MB_MEDIA_BNC: 4433 case TULIP_ROM_MB_MEDIA_AUI: 4434 tsti = tlp_srom_to_ifmedia(mb & 4435 TULIP_ROM_MB_MEDIA_CODE); 4436 4437 tlp_srom_media_info(sc, tsti, tm); 4438 4439 /* 4440 * Override our default SIA settings if the 4441 * SROM contains its own. 4442 */ 4443 if (mb & TULIP_ROM_MB_EXT) { 4444 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4445 mb_offset + TULIP_ROM_MB_CSR13); 4446 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4447 mb_offset + TULIP_ROM_MB_CSR14); 4448 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4449 mb_offset + TULIP_ROM_MB_CSR15); 4450 } 4451 4452 ifmedia_add(&sc->sc_mii.mii_media, 4453 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4454 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4455 break; 4456 4457 default: 4458 printf("%s: unknown media code 0x%02x\n", 4459 sc->sc_dev.dv_xname, 4460 mb & TULIP_ROM_MB_MEDIA_CODE); 4461 free(tm, M_DEVBUF); 4462 } 4463 } 4464 4465 /* 4466 * XXX Autosense not yet supported. 4467 */ 4468 4469 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4470 TULIP_ROM_IL_SELECT_CONN_TYPE); 4471 switch (romdef) { 4472 case SELECT_CONN_TYPE_TP: 4473 case SELECT_CONN_TYPE_TP_AUTONEG: 4474 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4475 defmedia = IFM_ETHER|IFM_10_T; 4476 break; 4477 4478 case SELECT_CONN_TYPE_TP_FDX: 4479 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4480 break; 4481 4482 case SELECT_CONN_TYPE_BNC: 4483 defmedia = IFM_ETHER|IFM_10_2; 4484 break; 4485 4486 case SELECT_CONN_TYPE_AUI: 4487 defmedia = IFM_ETHER|IFM_10_5; 4488 break; 4489 #if 0 /* XXX */ 4490 case SELECT_CONN_TYPE_ASENSE: 4491 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4492 defmedia = IFM_ETHER|IFM_AUTO; 4493 break; 4494 #endif 4495 default: 4496 defmedia = 0; 4497 } 4498 4499 if (defmedia == 0) { 4500 /* 4501 * XXX We should default to auto-sense. 4502 */ 4503 defmedia = IFM_ETHER|IFM_10_T; 4504 } 4505 4506 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4507 4508 tlp_print_media(sc); 4509 } 4510 4511 /* 4512 * DECchip 2114x ISV media switch. 4513 */ 4514 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4515 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4516 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4517 4518 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4519 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4520 }; 4521 4522 void tlp_2114x_nway_get __P((struct tulip_softc *, struct ifmediareq *)); 4523 int tlp_2114x_nway_set __P((struct tulip_softc *)); 4524 4525 void tlp_2114x_nway_statchg __P((struct device *)); 4526 int tlp_2114x_nway_service __P((struct tulip_softc *, int)); 4527 void tlp_2114x_nway_auto __P((struct tulip_softc *)); 4528 void tlp_2114x_nway_status __P((struct tulip_softc *)); 4529 4530 void 4531 tlp_2114x_isv_tmsw_init(sc) 4532 struct tulip_softc *sc; 4533 { 4534 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4535 struct ifmedia_entry *ife; 4536 struct mii_softc *phy; 4537 struct tulip_21x4x_media *tm; 4538 const struct tulip_srom_to_ifmedia *tsti; 4539 int i, devcnt, leaf_offset, m_cnt, type, length; 4540 int defmedia, miidef; 4541 u_int16_t word; 4542 u_int8_t *cp, *ncp; 4543 4544 defmedia = miidef = 0; 4545 4546 sc->sc_mii.mii_ifp = ifp; 4547 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4548 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4549 sc->sc_mii.mii_statchg = sc->sc_statchg; 4550 4551 /* 4552 * Ignore `instance'; we may get a mixture of SIA and MII 4553 * media, and `instance' is used to isolate or select the 4554 * PHY on the MII as appropriate. Note that duplicate media 4555 * are disallowed, so ignoring `instance' is safe. 4556 */ 4557 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4558 tlp_mediastatus); 4559 4560 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4561 for (i = 0; i < devcnt; i++) { 4562 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4563 break; 4564 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4565 sc->sc_devno) 4566 break; 4567 } 4568 4569 if (i == devcnt) { 4570 printf("%s: unable to locate info leaf in SROM\n", 4571 sc->sc_dev.dv_xname); 4572 return; 4573 } 4574 4575 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4576 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4577 4578 /* XXX SELECT CONN TYPE */ 4579 4580 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4581 4582 /* 4583 * On some chips, the first thing in the Info Leaf is the 4584 * GPIO pin direction data. 4585 */ 4586 switch (sc->sc_chip) { 4587 case TULIP_CHIP_21140: 4588 case TULIP_CHIP_21140A: 4589 case TULIP_CHIP_MX98713: 4590 case TULIP_CHIP_AX88140: 4591 case TULIP_CHIP_AX88141: 4592 sc->sc_gp_dir = *cp++; 4593 break; 4594 4595 default: 4596 /* Nothing. */ 4597 break; 4598 } 4599 4600 /* Get the media count. */ 4601 m_cnt = *cp++; 4602 4603 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4604 /* 4605 * Determine the type and length of this media block. 4606 * The 21143 is spec'd to always use extended format blocks, 4607 * but some cards don't set the bit to indicate this. 4608 * Hopefully there are no cards which really don't use 4609 * extended format blocks. 4610 */ 4611 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4612 length = 4; 4613 type = TULIP_ROM_MB_21140_GPR; 4614 } else { 4615 length = (*cp++ & 0x7f) - 1; 4616 type = *cp++ & 0x3f; 4617 } 4618 4619 /* Compute the start of the next block. */ 4620 ncp = cp + length; 4621 4622 /* Now, parse the block. */ 4623 switch (type) { 4624 case TULIP_ROM_MB_21140_GPR: 4625 tlp_get_minst(sc); 4626 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4627 4628 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4629 4630 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4631 tm->tm_get = tlp_21140_gpio_get; 4632 tm->tm_set = tlp_21140_gpio_set; 4633 4634 /* First is the media type code. */ 4635 tsti = tlp_srom_to_ifmedia(cp[0] & 4636 TULIP_ROM_MB_MEDIA_CODE); 4637 if (tsti == NULL) { 4638 /* Invalid media code. */ 4639 free(tm, M_DEVBUF); 4640 break; 4641 } 4642 4643 /* Get defaults. */ 4644 tlp_srom_media_info(sc, tsti, tm); 4645 4646 /* Next is any GPIO info for this media. */ 4647 tm->tm_gpdata = cp[1]; 4648 4649 /* 4650 * Next is a word containing OPMODE information 4651 * and info on how to detect if this media is 4652 * active. 4653 */ 4654 word = TULIP_ROM_GETW(cp, 2); 4655 tm->tm_opmode &= OPMODE_FD; 4656 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4657 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4658 tm->tm_actmask = 4659 TULIP_ROM_MB_BITPOS(word); 4660 tm->tm_actdata = 4661 (word & TULIP_ROM_MB_POLARITY) ? 4662 0 : tm->tm_actmask; 4663 } 4664 4665 ifmedia_add(&sc->sc_mii.mii_media, 4666 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4667 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4668 break; 4669 4670 case TULIP_ROM_MB_21140_MII: 4671 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4672 4673 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4674 4675 tm->tm_type = TULIP_ROM_MB_21140_MII; 4676 tm->tm_get = tlp_mii_getmedia; 4677 tm->tm_set = tlp_mii_setmedia; 4678 tm->tm_opmode = OPMODE_PS; 4679 4680 if (sc->sc_reset == NULL) 4681 sc->sc_reset = tlp_21140_reset; 4682 4683 /* First is the PHY number. */ 4684 tm->tm_phyno = *cp++; 4685 4686 /* Next is the MII select sequence length and offset. */ 4687 tm->tm_gp_length = *cp++; 4688 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4689 cp += tm->tm_gp_length; 4690 4691 /* Next is the MII reset sequence length and offset. */ 4692 tm->tm_reset_length = *cp++; 4693 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4694 cp += tm->tm_reset_length; 4695 4696 /* 4697 * The following items are left in the media block 4698 * that we don't particularly care about: 4699 * 4700 * capabilities W 4701 * advertisement W 4702 * full duplex W 4703 * tx threshold W 4704 * 4705 * These appear to be bits in the PHY registers, 4706 * which our MII code handles on its own. 4707 */ 4708 4709 /* 4710 * Before we probe the MII bus, we need to reset 4711 * it and issue the selection sequence. 4712 */ 4713 4714 /* Set the direction of the pins... */ 4715 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4716 4717 for (i = 0; i < tm->tm_reset_length; i++) { 4718 delay(10); 4719 TULIP_WRITE(sc, CSR_GPP, 4720 sc->sc_srom[tm->tm_reset_offset + i]); 4721 } 4722 4723 for (i = 0; i < tm->tm_gp_length; i++) { 4724 delay(10); 4725 TULIP_WRITE(sc, CSR_GPP, 4726 sc->sc_srom[tm->tm_gp_offset + i]); 4727 } 4728 4729 /* If there were no sequences, just lower the pins. */ 4730 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4731 delay(10); 4732 TULIP_WRITE(sc, CSR_GPP, 0); 4733 } 4734 4735 /* 4736 * Now, probe the MII for the PHY. Note, we know 4737 * the location of the PHY on the bus, but we don't 4738 * particularly care; the MII code just likes to 4739 * search the whole thing anyhow. 4740 */ 4741 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4742 MII_PHY_ANY, tm->tm_phyno, 0); 4743 4744 /* 4745 * Now, search for the PHY we hopefully just 4746 * configured. If it's not configured into the 4747 * kernel, we lose. The PHY's default media always 4748 * takes priority. 4749 */ 4750 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4751 phy != NULL; 4752 phy = LIST_NEXT(phy, mii_list)) 4753 if (phy->mii_offset == tm->tm_phyno) 4754 break; 4755 if (phy == NULL) { 4756 printf("%s: unable to configure MII\n", 4757 sc->sc_dev.dv_xname); 4758 break; 4759 } 4760 4761 sc->sc_flags |= TULIPF_HAS_MII; 4762 sc->sc_tick = tlp_mii_tick; 4763 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4764 phy->mii_inst); 4765 4766 /* 4767 * Okay, now that we've found the PHY and the MII 4768 * layer has added all of the media associated 4769 * with that PHY, we need to traverse the media 4770 * list, and add our `tm' to each entry's `aux' 4771 * pointer. 4772 * 4773 * We do this by looking for media with our 4774 * PHY's `instance'. 4775 */ 4776 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4777 ife != NULL; 4778 ife = TAILQ_NEXT(ife, ifm_list)) { 4779 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4780 continue; 4781 ife->ifm_aux = tm; 4782 } 4783 break; 4784 4785 case TULIP_ROM_MB_21142_SIA: 4786 tlp_get_minst(sc); 4787 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4788 4789 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4790 4791 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4792 tm->tm_get = tlp_sia_get; 4793 tm->tm_set = tlp_sia_set; 4794 4795 /* First is the media type code. */ 4796 tsti = tlp_srom_to_ifmedia(cp[0] & 4797 TULIP_ROM_MB_MEDIA_CODE); 4798 if (tsti == NULL) { 4799 /* Invalid media code. */ 4800 free(tm, M_DEVBUF); 4801 break; 4802 } 4803 4804 /* Get defaults. */ 4805 tlp_srom_media_info(sc, tsti, tm); 4806 4807 /* 4808 * Override our default SIA settings if the 4809 * SROM contains its own. 4810 */ 4811 if (cp[0] & 0x40) { 4812 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4813 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4814 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4815 cp += 7; 4816 } else 4817 cp++; 4818 4819 /* Next is GPIO control/data. */ 4820 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4821 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4822 4823 ifmedia_add(&sc->sc_mii.mii_media, 4824 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4825 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4826 break; 4827 4828 case TULIP_ROM_MB_21142_MII: 4829 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4830 4831 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4832 4833 tm->tm_type = TULIP_ROM_MB_21142_MII; 4834 tm->tm_get = tlp_mii_getmedia; 4835 tm->tm_set = tlp_mii_setmedia; 4836 tm->tm_opmode = OPMODE_PS; 4837 4838 if (sc->sc_reset == NULL) 4839 sc->sc_reset = tlp_21142_reset; 4840 4841 /* First is the PHY number. */ 4842 tm->tm_phyno = *cp++; 4843 4844 /* Next is the MII select sequence length and offset. */ 4845 tm->tm_gp_length = *cp++; 4846 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4847 cp += tm->tm_gp_length * 2; 4848 4849 /* Next is the MII reset sequence length and offset. */ 4850 tm->tm_reset_length = *cp++; 4851 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4852 cp += tm->tm_reset_length * 2; 4853 4854 /* 4855 * The following items are left in the media block 4856 * that we don't particularly care about: 4857 * 4858 * capabilities W 4859 * advertisement W 4860 * full duplex W 4861 * tx threshold W 4862 * MII interrupt W 4863 * 4864 * These appear to be bits in the PHY registers, 4865 * which our MII code handles on its own. 4866 */ 4867 4868 /* 4869 * Before we probe the MII bus, we need to reset 4870 * it and issue the selection sequence. 4871 */ 4872 4873 cp = &sc->sc_srom[tm->tm_reset_offset]; 4874 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4875 delay(10); 4876 TULIP_WRITE(sc, CSR_SIAGEN, 4877 TULIP_ROM_GETW(cp, 0) << 16); 4878 } 4879 4880 cp = &sc->sc_srom[tm->tm_gp_offset]; 4881 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4882 delay(10); 4883 TULIP_WRITE(sc, CSR_SIAGEN, 4884 TULIP_ROM_GETW(cp, 0) << 16); 4885 } 4886 4887 /* If there were no sequences, just lower the pins. */ 4888 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4889 delay(10); 4890 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4891 } 4892 4893 /* 4894 * Now, probe the MII for the PHY. Note, we know 4895 * the location of the PHY on the bus, but we don't 4896 * particularly care; the MII code just likes to 4897 * search the whole thing anyhow. 4898 */ 4899 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4900 MII_PHY_ANY, tm->tm_phyno, 0); 4901 4902 /* 4903 * Now, search for the PHY we hopefully just 4904 * configured. If it's not configured into the 4905 * kernel, we lose. The PHY's default media always 4906 * takes priority. 4907 */ 4908 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4909 phy != NULL; 4910 phy = LIST_NEXT(phy, mii_list)) 4911 if (phy->mii_offset == tm->tm_phyno) 4912 break; 4913 if (phy == NULL) { 4914 printf("%s: unable to configure MII\n", 4915 sc->sc_dev.dv_xname); 4916 break; 4917 } 4918 4919 sc->sc_flags |= TULIPF_HAS_MII; 4920 sc->sc_tick = tlp_mii_tick; 4921 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4922 phy->mii_inst); 4923 4924 /* 4925 * Okay, now that we've found the PHY and the MII 4926 * layer has added all of the media associated 4927 * with that PHY, we need to traverse the media 4928 * list, and add our `tm' to each entry's `aux' 4929 * pointer. 4930 * 4931 * We do this by looking for media with our 4932 * PHY's `instance'. 4933 */ 4934 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4935 ife != NULL; 4936 ife = TAILQ_NEXT(ife, ifm_list)) { 4937 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4938 continue; 4939 ife->ifm_aux = tm; 4940 } 4941 break; 4942 4943 case TULIP_ROM_MB_21143_SYM: 4944 tlp_get_minst(sc); 4945 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4946 4947 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4948 4949 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4950 tm->tm_get = tlp_sia_get; 4951 tm->tm_set = tlp_sia_set; 4952 4953 /* First is the media type code. */ 4954 tsti = tlp_srom_to_ifmedia(cp[0] & 4955 TULIP_ROM_MB_MEDIA_CODE); 4956 if (tsti == NULL) { 4957 /* Invalid media code. */ 4958 free(tm, M_DEVBUF); 4959 break; 4960 } 4961 4962 /* Get defaults. */ 4963 tlp_srom_media_info(sc, tsti, tm); 4964 4965 /* Next is GPIO control/data. */ 4966 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 4967 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 4968 4969 /* 4970 * Next is a word containing OPMODE information 4971 * and info on how to detect if this media is 4972 * active. 4973 */ 4974 word = TULIP_ROM_GETW(cp, 5); 4975 tm->tm_opmode &= OPMODE_FD; 4976 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4977 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4978 tm->tm_actmask = 4979 TULIP_ROM_MB_BITPOS(word); 4980 tm->tm_actdata = 4981 (word & TULIP_ROM_MB_POLARITY) ? 4982 0 : tm->tm_actmask; 4983 } 4984 4985 ifmedia_add(&sc->sc_mii.mii_media, 4986 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4987 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4988 break; 4989 4990 case TULIP_ROM_MB_21143_RESET: 4991 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4992 break; 4993 4994 default: 4995 printf("%s: unknown ISV media block type 0x%02x\n", 4996 sc->sc_dev.dv_xname, type); 4997 } 4998 } 4999 5000 /* 5001 * Deal with the case where no media is configured. 5002 */ 5003 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5004 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 5005 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5006 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5007 return; 5008 } 5009 5010 /* 5011 * Pick the default media. 5012 */ 5013 if (miidef != 0) 5014 defmedia = miidef; 5015 else { 5016 switch (sc->sc_chip) { 5017 case TULIP_CHIP_21140: 5018 case TULIP_CHIP_21140A: 5019 /* XXX should come from SROM */ 5020 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5021 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5022 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5023 /* 5024 * There is not a 10baseT media. 5025 * Fall back to the first found one. 5026 */ 5027 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5028 defmedia = ife->ifm_media; 5029 } 5030 break; 5031 5032 case TULIP_CHIP_21142: 5033 case TULIP_CHIP_21143: 5034 case TULIP_CHIP_MX98713A: 5035 case TULIP_CHIP_MX98715: 5036 case TULIP_CHIP_MX98715A: 5037 case TULIP_CHIP_MX98715AEC_X: 5038 case TULIP_CHIP_MX98725: 5039 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5040 tm->tm_name = "auto"; 5041 tm->tm_get = tlp_2114x_nway_get; 5042 tm->tm_set = tlp_2114x_nway_set; 5043 5044 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5045 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5046 5047 sc->sc_statchg = tlp_2114x_nway_statchg; 5048 sc->sc_tick = tlp_2114x_nway_tick; 5049 break; 5050 5051 default: 5052 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5053 break; 5054 } 5055 } 5056 5057 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5058 5059 /* 5060 * Display any non-MII media we've located. 5061 */ 5062 if (sc->sc_media_seen & 5063 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5064 tlp_print_media(sc); 5065 5066 tlp_sia_fixup(sc); 5067 } 5068 5069 void 5070 tlp_2114x_nway_get(sc, ifmr) 5071 struct tulip_softc *sc; 5072 struct ifmediareq *ifmr; 5073 { 5074 5075 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5076 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5077 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5078 } 5079 5080 int 5081 tlp_2114x_nway_set(sc) 5082 struct tulip_softc *sc; 5083 { 5084 5085 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5086 } 5087 5088 void 5089 tlp_2114x_nway_statchg(self) 5090 struct device *self; 5091 { 5092 struct tulip_softc *sc = (struct tulip_softc *)self; 5093 struct mii_data *mii = &sc->sc_mii; 5094 struct ifmedia_entry *ife; 5095 5096 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5097 return; 5098 5099 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5100 mii->mii_media.ifm_mask)) == NULL) { 5101 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5102 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5103 panic("tlp_2114x_nway_statchg"); 5104 } 5105 5106 tlp_sia_media(sc, ife); 5107 } 5108 5109 void 5110 tlp_2114x_nway_tick(arg) 5111 void *arg; 5112 { 5113 struct tulip_softc *sc = arg; 5114 struct mii_data *mii = &sc->sc_mii; 5115 int s, ticks; 5116 5117 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5118 return; 5119 5120 s = splnet(); 5121 tlp_2114x_nway_service(sc, MII_TICK); 5122 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5123 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5124 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5125 sc->sc_flags |= TULIPF_LINK_UP; 5126 tlp_start(&sc->sc_ethercom.ec_if); 5127 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5128 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5129 sc->sc_flags &= ~TULIPF_LINK_UP; 5130 } 5131 splx(s); 5132 5133 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5134 ticks = hz >> 3; 5135 else 5136 ticks = hz; 5137 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5138 } 5139 5140 /* 5141 * Support for the 2114X internal NWay block. This is constructed 5142 * somewhat like a PHY driver for simplicity. 5143 */ 5144 5145 int 5146 tlp_2114x_nway_service(sc, cmd) 5147 struct tulip_softc *sc; 5148 int cmd; 5149 { 5150 struct mii_data *mii = &sc->sc_mii; 5151 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5152 5153 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5154 return (0); 5155 5156 switch (cmd) { 5157 case MII_POLLSTAT: 5158 /* Nothing special to do here. */ 5159 break; 5160 5161 case MII_MEDIACHG: 5162 switch (IFM_SUBTYPE(ife->ifm_media)) { 5163 case IFM_AUTO: 5164 goto restart; 5165 default: 5166 /* Manual setting doesn't go through here. */ 5167 printf("tlp_2114x_nway_service: oops!\n"); 5168 return (EINVAL); 5169 } 5170 break; 5171 5172 case MII_TICK: 5173 /* 5174 * Only used for autonegotiation. 5175 */ 5176 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5177 break; 5178 5179 /* 5180 * Check to see if we have link. If we do, we don't 5181 * need to restart the autonegotiation process. 5182 */ 5183 #if 0 5184 if (mii->mii_media_status & IFM_ACTIVE) 5185 #else 5186 if (sc->sc_flags & TULIPF_LINK_UP) 5187 #endif 5188 break; 5189 5190 /* 5191 * Only retry autonegotiation every 5 seconds. 5192 */ 5193 if (++sc->sc_nway_ticks != (5 << 3)) 5194 break; 5195 5196 restart: 5197 sc->sc_nway_ticks = 0; 5198 ife->ifm_data = IFM_NONE; 5199 tlp_2114x_nway_auto(sc); 5200 break; 5201 } 5202 5203 /* Update the media status. */ 5204 tlp_2114x_nway_status(sc); 5205 5206 /* 5207 * Callback if something changed. Manually configuration goes through 5208 * tlp_sia_set() anyway, so ignore that here. 5209 */ 5210 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5211 ife->ifm_data != mii->mii_media_active) { 5212 (*sc->sc_statchg)(&sc->sc_dev); 5213 ife->ifm_data = mii->mii_media_active; 5214 } 5215 return (0); 5216 } 5217 5218 void 5219 tlp_2114x_nway_auto(sc) 5220 struct tulip_softc *sc; 5221 { 5222 uint32_t siastat, siatxrx; 5223 5224 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5225 5226 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5227 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5228 siatxrx = 0xffbf; /* XXX magic number */ 5229 5230 /* Compute the link code word to advertise. */ 5231 if (sc->sc_sia_cap & BMSR_100T4) 5232 siatxrx |= SIATXRX_T4; 5233 if (sc->sc_sia_cap & BMSR_100TXFDX) 5234 siatxrx |= SIATXRX_TXF; 5235 if (sc->sc_sia_cap & BMSR_100TXHDX) 5236 siatxrx |= SIATXRX_THX; 5237 if (sc->sc_sia_cap & BMSR_10TFDX) 5238 sc->sc_opmode |= OPMODE_FD; 5239 if (sc->sc_sia_cap & BMSR_10THDX) 5240 siatxrx |= SIATXRX_TH; 5241 5242 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5243 5244 TULIP_WRITE(sc, CSR_SIACONN, 0); 5245 delay(1000); 5246 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5247 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5248 5249 siastat = TULIP_READ(sc, CSR_SIASTAT); 5250 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5251 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5252 siastat |= SIASTAT_ANS_TXDIS; 5253 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5254 } 5255 5256 void 5257 tlp_2114x_nway_status(sc) 5258 struct tulip_softc *sc; 5259 { 5260 struct mii_data *mii = &sc->sc_mii; 5261 uint32_t siatxrx, siastat, anlpar; 5262 5263 mii->mii_media_status = IFM_AVALID; 5264 mii->mii_media_active = IFM_ETHER; 5265 5266 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5267 return; 5268 5269 siastat = TULIP_READ(sc, CSR_SIASTAT); 5270 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5271 5272 if (siatxrx & SIATXRX_ANE) { 5273 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5274 /* Erg, still trying, I guess... */ 5275 mii->mii_media_active |= IFM_NONE; 5276 return; 5277 } 5278 5279 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5280 mii->mii_media_status |= IFM_ACTIVE; 5281 5282 if (siastat & SIASTAT_LPN) { 5283 anlpar = SIASTAT_GETLPC(siastat); 5284 if (anlpar & ANLPAR_T4 && 5285 sc->sc_sia_cap & BMSR_100T4) 5286 mii->mii_media_active |= IFM_100_T4; 5287 else if (anlpar & ANLPAR_TX_FD && 5288 sc->sc_sia_cap & BMSR_100TXFDX) 5289 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5290 else if (anlpar & ANLPAR_TX && 5291 sc->sc_sia_cap & BMSR_100TXHDX) 5292 mii->mii_media_active |= IFM_100_TX; 5293 else if (anlpar & ANLPAR_10_FD && 5294 sc->sc_sia_cap & BMSR_10TFDX) 5295 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5296 else if (anlpar & ANLPAR_10 && 5297 sc->sc_sia_cap & BMSR_10THDX) 5298 mii->mii_media_active |= IFM_10_T; 5299 else 5300 mii->mii_media_active |= IFM_NONE; 5301 } else { 5302 /* 5303 * If the other side doesn't support NWAY, then the 5304 * best we can do is determine if we have a 10Mbps or 5305 * 100Mbps link. There's no way to know if the link 5306 * is full or half duplex, so we default to half duplex 5307 * and hope that the user is clever enough to manually 5308 * change the media settings if we're wrong. 5309 */ 5310 if ((siastat & SIASTAT_LS100) == 0) 5311 mii->mii_media_active |= IFM_100_TX; 5312 else if ((siastat & SIASTAT_LS10) == 0) 5313 mii->mii_media_active |= IFM_10_T; 5314 else 5315 mii->mii_media_active |= IFM_NONE; 5316 } 5317 } else { 5318 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5319 mii->mii_media_status |= IFM_ACTIVE; 5320 5321 if (sc->sc_opmode & OPMODE_TTM) 5322 mii->mii_media_active |= IFM_10_T; 5323 else 5324 mii->mii_media_active |= IFM_100_TX; 5325 if (sc->sc_opmode & OPMODE_FD) 5326 mii->mii_media_active |= IFM_FDX; 5327 } 5328 } 5329 5330 void 5331 tlp_2114x_isv_tmsw_get(sc, ifmr) 5332 struct tulip_softc *sc; 5333 struct ifmediareq *ifmr; 5334 { 5335 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5336 struct tulip_21x4x_media *tm = ife->ifm_aux; 5337 5338 (*tm->tm_get)(sc, ifmr); 5339 } 5340 5341 int 5342 tlp_2114x_isv_tmsw_set(sc) 5343 struct tulip_softc *sc; 5344 { 5345 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5346 struct tulip_21x4x_media *tm = ife->ifm_aux; 5347 5348 /* 5349 * Check to see if we need to reset the chip, and do it. The 5350 * reset path will get the OPMODE register right the next 5351 * time through. 5352 */ 5353 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5354 return (tlp_init(&sc->sc_ethercom.ec_if)); 5355 5356 return ((*tm->tm_set)(sc)); 5357 } 5358 5359 /* 5360 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5361 */ 5362 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5363 5364 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5365 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5366 }; 5367 5368 void 5369 tlp_sio_mii_tmsw_init(sc) 5370 struct tulip_softc *sc; 5371 { 5372 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5373 5374 /* 5375 * We don't attach any media info structures to the ifmedia 5376 * entries, so if we're using a pre-init function that needs 5377 * that info, override it to one that doesn't. 5378 */ 5379 if (sc->sc_preinit == tlp_2114x_preinit) 5380 sc->sc_preinit = tlp_2114x_mii_preinit; 5381 5382 sc->sc_mii.mii_ifp = ifp; 5383 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5384 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5385 sc->sc_mii.mii_statchg = sc->sc_statchg; 5386 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5387 tlp_mediastatus); 5388 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5389 MII_OFFSET_ANY, 0); 5390 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5391 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5392 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5393 } else { 5394 sc->sc_flags |= TULIPF_HAS_MII; 5395 sc->sc_tick = tlp_mii_tick; 5396 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5397 } 5398 } 5399 5400 /* 5401 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5402 */ 5403 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5404 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5405 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5406 5407 const struct tulip_mediasw tlp_pnic_mediasw = { 5408 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5409 }; 5410 5411 void tlp_pnic_nway_statchg __P((struct device *)); 5412 void tlp_pnic_nway_tick __P((void *)); 5413 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5414 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5415 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5416 void tlp_pnic_nway_auto_timeout __P((void *)); 5417 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5418 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5419 5420 void 5421 tlp_pnic_tmsw_init(sc) 5422 struct tulip_softc *sc; 5423 { 5424 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5425 const char *sep = ""; 5426 5427 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5428 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5429 5430 sc->sc_mii.mii_ifp = ifp; 5431 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5432 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5433 sc->sc_mii.mii_statchg = sc->sc_statchg; 5434 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5435 tlp_mediastatus); 5436 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5437 MII_OFFSET_ANY, 0); 5438 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5439 /* XXX What about AUI/BNC support? */ 5440 printf("%s: ", sc->sc_dev.dv_xname); 5441 5442 tlp_pnic_nway_reset(sc); 5443 5444 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5445 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5446 PRINT("10baseT"); 5447 5448 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5449 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5450 PRINT("10baseT-FDX"); 5451 5452 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5453 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5454 PRINT("100baseTX"); 5455 5456 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5457 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5458 PNIC_NWAY_CAP100TXFDX); 5459 PRINT("100baseTX-FDX"); 5460 5461 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5462 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5463 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5464 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5465 PRINT("auto"); 5466 5467 printf("\n"); 5468 5469 sc->sc_statchg = tlp_pnic_nway_statchg; 5470 sc->sc_tick = tlp_pnic_nway_tick; 5471 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5472 } else { 5473 sc->sc_flags |= TULIPF_HAS_MII; 5474 sc->sc_tick = tlp_mii_tick; 5475 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5476 } 5477 5478 #undef ADD 5479 #undef PRINT 5480 } 5481 5482 void 5483 tlp_pnic_tmsw_get(sc, ifmr) 5484 struct tulip_softc *sc; 5485 struct ifmediareq *ifmr; 5486 { 5487 struct mii_data *mii = &sc->sc_mii; 5488 5489 if (sc->sc_flags & TULIPF_HAS_MII) 5490 tlp_mii_getmedia(sc, ifmr); 5491 else { 5492 mii->mii_media_status = 0; 5493 mii->mii_media_active = IFM_NONE; 5494 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5495 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5496 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5497 } 5498 } 5499 5500 int 5501 tlp_pnic_tmsw_set(sc) 5502 struct tulip_softc *sc; 5503 { 5504 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5505 struct mii_data *mii = &sc->sc_mii; 5506 5507 if (sc->sc_flags & TULIPF_HAS_MII) { 5508 /* 5509 * Make sure the built-in Tx jabber timer is disabled. 5510 */ 5511 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5512 5513 return (tlp_mii_setmedia(sc)); 5514 } 5515 5516 if (ifp->if_flags & IFF_UP) { 5517 mii->mii_media_status = 0; 5518 mii->mii_media_active = IFM_NONE; 5519 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5520 } 5521 5522 return (0); 5523 } 5524 5525 void 5526 tlp_pnic_nway_statchg(self) 5527 struct device *self; 5528 { 5529 struct tulip_softc *sc = (struct tulip_softc *)self; 5530 5531 /* Idle the transmit and receive processes. */ 5532 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5533 5534 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5535 OPMODE_SCR|OPMODE_HBD); 5536 5537 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5538 sc->sc_opmode |= OPMODE_TTM; 5539 TULIP_WRITE(sc, CSR_GPP, 5540 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5541 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5542 } else { 5543 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5544 TULIP_WRITE(sc, CSR_GPP, 5545 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5546 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5547 } 5548 5549 if (sc->sc_mii.mii_media_active & IFM_FDX) 5550 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5551 5552 /* 5553 * Write new OPMODE bits. This also restarts the transmit 5554 * and receive processes. 5555 */ 5556 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5557 } 5558 5559 void 5560 tlp_pnic_nway_tick(arg) 5561 void *arg; 5562 { 5563 struct tulip_softc *sc = arg; 5564 int s; 5565 5566 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5567 return; 5568 5569 s = splnet(); 5570 tlp_pnic_nway_service(sc, MII_TICK); 5571 splx(s); 5572 5573 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5574 } 5575 5576 /* 5577 * Support for the Lite-On PNIC internal NWay block. This is constructed 5578 * somewhat like a PHY driver for simplicity. 5579 */ 5580 5581 int 5582 tlp_pnic_nway_service(sc, cmd) 5583 struct tulip_softc *sc; 5584 int cmd; 5585 { 5586 struct mii_data *mii = &sc->sc_mii; 5587 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5588 5589 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5590 return (0); 5591 5592 switch (cmd) { 5593 case MII_POLLSTAT: 5594 /* Nothing special to do here. */ 5595 break; 5596 5597 case MII_MEDIACHG: 5598 switch (IFM_SUBTYPE(ife->ifm_media)) { 5599 case IFM_AUTO: 5600 (void) tlp_pnic_nway_auto(sc, 1); 5601 break; 5602 case IFM_100_T4: 5603 /* 5604 * XXX Not supported as a manual setting right now. 5605 */ 5606 return (EINVAL); 5607 default: 5608 /* 5609 * NWAY register data is stored in the ifmedia entry. 5610 */ 5611 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5612 } 5613 break; 5614 5615 case MII_TICK: 5616 /* 5617 * Only used for autonegotiation. 5618 */ 5619 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5620 return (0); 5621 5622 /* 5623 * Check to see if we have link. If we do, we don't 5624 * need to restart the autonegotiation process. 5625 */ 5626 if (sc->sc_flags & TULIPF_LINK_UP) 5627 return (0); 5628 5629 /* 5630 * Only retry autonegotiation every 5 seconds. 5631 */ 5632 if (++sc->sc_nway_ticks != 5) 5633 return (0); 5634 5635 sc->sc_nway_ticks = 0; 5636 tlp_pnic_nway_reset(sc); 5637 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5638 return (0); 5639 break; 5640 } 5641 5642 /* Update the media status. */ 5643 tlp_pnic_nway_status(sc); 5644 5645 /* Callback if something changed. */ 5646 if ((sc->sc_nway_active == NULL || 5647 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5648 cmd == MII_MEDIACHG) { 5649 (*sc->sc_statchg)(&sc->sc_dev); 5650 tlp_nway_activate(sc, mii->mii_media_active); 5651 } 5652 return (0); 5653 } 5654 5655 void 5656 tlp_pnic_nway_reset(sc) 5657 struct tulip_softc *sc; 5658 { 5659 5660 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5661 delay(100); 5662 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5663 } 5664 5665 int 5666 tlp_pnic_nway_auto(sc, waitfor) 5667 struct tulip_softc *sc; 5668 int waitfor; 5669 { 5670 struct mii_data *mii = &sc->sc_mii; 5671 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5672 u_int32_t reg; 5673 int i; 5674 5675 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5676 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5677 5678 if (waitfor) { 5679 /* Wait 500ms for it to complete. */ 5680 for (i = 0; i < 500; i++) { 5681 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5682 if (reg & PNIC_NWAY_LPAR_MASK) { 5683 tlp_pnic_nway_acomp(sc); 5684 return (0); 5685 } 5686 delay(1000); 5687 } 5688 #if 0 5689 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5690 printf("%s: autonegotiation failed to complete\n", 5691 sc->sc_dev.dv_xname); 5692 #endif 5693 5694 /* 5695 * Don't need to worry about clearing DOINGAUTO. 5696 * If that's set, a timeout is pending, and it will 5697 * clear the flag. 5698 */ 5699 return (EIO); 5700 } 5701 5702 /* 5703 * Just let it finish asynchronously. This is for the benefit of 5704 * the tick handler driving autonegotiation. Don't want 500ms 5705 * delays all the time while the system is running! 5706 */ 5707 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5708 sc->sc_flags |= TULIPF_DOINGAUTO; 5709 callout_reset(&sc->sc_nway_callout, hz >> 1, 5710 tlp_pnic_nway_auto_timeout, sc); 5711 } 5712 return (EJUSTRETURN); 5713 } 5714 5715 void 5716 tlp_pnic_nway_auto_timeout(arg) 5717 void *arg; 5718 { 5719 struct tulip_softc *sc = arg; 5720 u_int32_t reg; 5721 int s; 5722 5723 s = splnet(); 5724 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5725 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5726 #if 0 5727 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5728 printf("%s: autonegotiation failed to complete\n", 5729 sc->sc_dev.dv_xname); 5730 #endif 5731 5732 tlp_pnic_nway_acomp(sc); 5733 5734 /* Update the media status. */ 5735 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5736 splx(s); 5737 } 5738 5739 void 5740 tlp_pnic_nway_status(sc) 5741 struct tulip_softc *sc; 5742 { 5743 struct mii_data *mii = &sc->sc_mii; 5744 u_int32_t reg; 5745 5746 mii->mii_media_status = IFM_AVALID; 5747 mii->mii_media_active = IFM_ETHER; 5748 5749 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5750 5751 if (sc->sc_flags & TULIPF_LINK_UP) 5752 mii->mii_media_status |= IFM_ACTIVE; 5753 5754 if (reg & PNIC_NWAY_NW) { 5755 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5756 /* Erg, still trying, I guess... */ 5757 mii->mii_media_active |= IFM_NONE; 5758 return; 5759 } 5760 5761 #if 0 5762 if (reg & PNIC_NWAY_LPAR100T4) 5763 mii->mii_media_active |= IFM_100_T4; 5764 else 5765 #endif 5766 if (reg & PNIC_NWAY_LPAR100TXFDX) 5767 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5768 else if (reg & PNIC_NWAY_LPAR100TX) 5769 mii->mii_media_active |= IFM_100_TX; 5770 else if (reg & PNIC_NWAY_LPAR10TFDX) 5771 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5772 else if (reg & PNIC_NWAY_LPAR10T) 5773 mii->mii_media_active |= IFM_10_T; 5774 else 5775 mii->mii_media_active |= IFM_NONE; 5776 } else { 5777 if (reg & PNIC_NWAY_100) 5778 mii->mii_media_active |= IFM_100_TX; 5779 else 5780 mii->mii_media_active |= IFM_10_T; 5781 if (reg & PNIC_NWAY_FD) 5782 mii->mii_media_active |= IFM_FDX; 5783 } 5784 } 5785 5786 void 5787 tlp_pnic_nway_acomp(sc) 5788 struct tulip_softc *sc; 5789 { 5790 u_int32_t reg; 5791 5792 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5793 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5794 5795 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5796 reg |= PNIC_NWAY_100; 5797 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5798 reg |= PNIC_NWAY_FD; 5799 5800 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5801 } 5802 5803 /* 5804 * Macronix PMAC and Lite-On PNIC-II media switch: 5805 * 5806 * MX98713 and MX98713A 21140-like MII or GPIO media. 5807 * 5808 * MX98713A 21143-like MII or SIA/SYM media. 5809 * 5810 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5811 * 82C115, MX98715AEC-C, -E 5812 * 5813 * So, what we do here is fake MII-on-SIO or ISV media info, and 5814 * use the ISV media switch get/set functions to handle the rest. 5815 */ 5816 5817 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5818 5819 const struct tulip_mediasw tlp_pmac_mediasw = { 5820 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5821 }; 5822 5823 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5824 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5825 }; 5826 5827 void 5828 tlp_pmac_tmsw_init(sc) 5829 struct tulip_softc *sc; 5830 { 5831 static const u_int8_t media[] = { 5832 TULIP_ROM_MB_MEDIA_TP, 5833 TULIP_ROM_MB_MEDIA_TP_FDX, 5834 TULIP_ROM_MB_MEDIA_100TX, 5835 TULIP_ROM_MB_MEDIA_100TX_FDX, 5836 }; 5837 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5838 struct tulip_21x4x_media *tm; 5839 5840 sc->sc_mii.mii_ifp = ifp; 5841 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5842 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5843 sc->sc_mii.mii_statchg = sc->sc_statchg; 5844 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5845 tlp_mediastatus); 5846 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5847 sc->sc_chip == TULIP_CHIP_MX98713A) { 5848 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5849 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5850 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5851 sc->sc_flags |= TULIPF_HAS_MII; 5852 sc->sc_tick = tlp_mii_tick; 5853 sc->sc_preinit = tlp_2114x_mii_preinit; 5854 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5855 ifmedia_set(&sc->sc_mii.mii_media, 5856 IFM_ETHER|IFM_AUTO); 5857 return; 5858 } 5859 } 5860 5861 switch (sc->sc_chip) { 5862 case TULIP_CHIP_MX98713: 5863 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5864 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5865 5866 /* 5867 * XXX Should implement auto-sense for this someday, 5868 * XXX when we do the same for the 21140. 5869 */ 5870 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5871 break; 5872 5873 default: 5874 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5875 tlp_sia_get, tlp_sia_set, media, 2); 5876 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5877 tlp_sia_get, tlp_sia_set, media + 2, 2); 5878 5879 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5880 tm->tm_name = "auto"; 5881 tm->tm_get = tlp_2114x_nway_get; 5882 tm->tm_set = tlp_2114x_nway_set; 5883 ifmedia_add(&sc->sc_mii.mii_media, 5884 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5885 5886 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5887 sc->sc_statchg = tlp_2114x_nway_statchg; 5888 sc->sc_tick = tlp_2114x_nway_tick; 5889 break; 5890 } 5891 5892 tlp_print_media(sc); 5893 tlp_sia_fixup(sc); 5894 5895 /* Set the LED modes. */ 5896 tlp_pmac_reset(sc); 5897 5898 sc->sc_reset = tlp_pmac_reset; 5899 } 5900 5901 /* 5902 * ADMtek AL981 media switch. Only has internal PHY. 5903 */ 5904 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5905 5906 const struct tulip_mediasw tlp_al981_mediasw = { 5907 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5908 }; 5909 5910 void 5911 tlp_al981_tmsw_init(sc) 5912 struct tulip_softc *sc; 5913 { 5914 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5915 5916 sc->sc_mii.mii_ifp = ifp; 5917 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5918 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5919 sc->sc_mii.mii_statchg = sc->sc_statchg; 5920 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5921 tlp_mediastatus); 5922 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5923 MII_OFFSET_ANY, 0); 5924 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5925 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5926 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5927 } else { 5928 sc->sc_flags |= TULIPF_HAS_MII; 5929 sc->sc_tick = tlp_mii_tick; 5930 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5931 } 5932 } 5933 5934 /* 5935 * ADMtek AN983/985 media switch. Only has internal PHY, but 5936 * on an SIO-like interface. Unfortunately, we can't use the 5937 * standard SIO media switch, because the AN985 "ghosts" the 5938 * singly PHY at every address. 5939 */ 5940 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5941 5942 const struct tulip_mediasw tlp_an985_mediasw = { 5943 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5944 }; 5945 5946 void 5947 tlp_an985_tmsw_init(sc) 5948 struct tulip_softc *sc; 5949 { 5950 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5951 5952 sc->sc_mii.mii_ifp = ifp; 5953 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5954 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5955 sc->sc_mii.mii_statchg = sc->sc_statchg; 5956 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5957 tlp_mediastatus); 5958 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5959 MII_OFFSET_ANY, 0); 5960 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5961 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5962 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5963 } else { 5964 sc->sc_flags |= TULIPF_HAS_MII; 5965 sc->sc_tick = tlp_mii_tick; 5966 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5967 } 5968 } 5969 5970 /* 5971 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5972 */ 5973 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5974 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5975 struct ifmediareq *)); 5976 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5977 5978 const struct tulip_mediasw tlp_dm9102_mediasw = { 5979 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5980 tlp_dm9102_tmsw_setmedia 5981 }; 5982 5983 void 5984 tlp_dm9102_tmsw_init(sc) 5985 struct tulip_softc *sc; 5986 { 5987 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5988 u_int32_t opmode; 5989 5990 sc->sc_mii.mii_ifp = ifp; 5991 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5992 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5993 sc->sc_mii.mii_statchg = sc->sc_statchg; 5994 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5995 tlp_mediastatus); 5996 5997 /* PHY block already reset via tlp_reset(). */ 5998 5999 /* 6000 * Configure OPMODE properly for the internal MII interface. 6001 */ 6002 switch (sc->sc_chip) { 6003 case TULIP_CHIP_DM9102: 6004 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6005 break; 6006 6007 case TULIP_CHIP_DM9102A: 6008 opmode = OPMODE_MBO|OPMODE_HBD; 6009 break; 6010 6011 default: 6012 opmode = 0; 6013 break; 6014 } 6015 6016 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6017 6018 /* Now, probe the internal MII for the internal PHY. */ 6019 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6020 MII_OFFSET_ANY, 0); 6021 6022 /* 6023 * XXX Figure out what to do about the HomePNA portion 6024 * XXX of the DM9102A. 6025 */ 6026 6027 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6028 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6029 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6030 } else { 6031 sc->sc_flags |= TULIPF_HAS_MII; 6032 sc->sc_tick = tlp_mii_tick; 6033 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6034 } 6035 } 6036 6037 void 6038 tlp_dm9102_tmsw_getmedia(sc, ifmr) 6039 struct tulip_softc *sc; 6040 struct ifmediareq *ifmr; 6041 { 6042 6043 /* XXX HomePNA on DM9102A. */ 6044 tlp_mii_getmedia(sc, ifmr); 6045 } 6046 6047 int 6048 tlp_dm9102_tmsw_setmedia(sc) 6049 struct tulip_softc *sc; 6050 { 6051 6052 /* XXX HomePNA on DM9102A. */ 6053 return (tlp_mii_setmedia(sc)); 6054 } 6055