tulip.c revision 1.91
1 /* $NetBSD: tulip.c,v 1.91 2001/02/24 00:01:23 cgd Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/callout.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #include <machine/endian.h> 61 62 #include <uvm/uvm_extern.h> 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/if_inarp.h> 76 #endif 77 78 #ifdef NS 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 #include <dev/mii/mii_bitbang.h> 89 90 #include <dev/ic/tulipreg.h> 91 #include <dev/ic/tulipvar.h> 92 93 const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; 94 95 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_10; 97 98 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 99 TLP_TXTHRESH_TAB_10_100; 100 101 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 102 TLP_TXTHRESH_TAB_WINB; 103 104 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 105 TLP_TXTHRESH_TAB_DM9102; 106 107 void tlp_start __P((struct ifnet *)); 108 void tlp_watchdog __P((struct ifnet *)); 109 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 110 int tlp_init __P((struct ifnet *)); 111 void tlp_stop __P((struct ifnet *, int)); 112 113 void tlp_shutdown __P((void *)); 114 115 void tlp_reset __P((struct tulip_softc *)); 116 void tlp_rxdrain __P((struct tulip_softc *)); 117 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 118 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 119 void tlp_srom_idle __P((struct tulip_softc *)); 120 int tlp_srom_size __P((struct tulip_softc *)); 121 122 int tlp_enable __P((struct tulip_softc *)); 123 void tlp_disable __P((struct tulip_softc *)); 124 void tlp_power __P((int, void *)); 125 126 void tlp_filter_setup __P((struct tulip_softc *)); 127 void tlp_winb_filter_setup __P((struct tulip_softc *)); 128 void tlp_al981_filter_setup __P((struct tulip_softc *)); 129 130 void tlp_rxintr __P((struct tulip_softc *)); 131 void tlp_txintr __P((struct tulip_softc *)); 132 133 void tlp_mii_tick __P((void *)); 134 void tlp_mii_statchg __P((struct device *)); 135 void tlp_winb_mii_statchg __P((struct device *)); 136 void tlp_dm9102_mii_statchg __P((struct device *)); 137 138 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 139 int tlp_mii_setmedia __P((struct tulip_softc *)); 140 141 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 142 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 143 144 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 145 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 146 147 int tlp_al981_mii_readreg __P((struct device *, int, int)); 148 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 149 150 void tlp_2114x_preinit __P((struct tulip_softc *)); 151 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 152 void tlp_pnic_preinit __P((struct tulip_softc *)); 153 void tlp_dm9102_preinit __P((struct tulip_softc *)); 154 155 void tlp_21140_reset __P((struct tulip_softc *)); 156 void tlp_21142_reset __P((struct tulip_softc *)); 157 void tlp_pmac_reset __P((struct tulip_softc *)); 158 void tlp_dm9102_reset __P((struct tulip_softc *)); 159 160 #define tlp_mchash(addr, sz) \ 161 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 162 163 /* 164 * MII bit-bang glue. 165 */ 166 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 167 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 168 169 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 170 tlp_sio_mii_bitbang_read, 171 tlp_sio_mii_bitbang_write, 172 { 173 MIIROM_MDO, /* MII_BIT_MDO */ 174 MIIROM_MDI, /* MII_BIT_MDI */ 175 MIIROM_MDC, /* MII_BIT_MDC */ 176 0, /* MII_BIT_DIR_HOST_PHY */ 177 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 178 } 179 }; 180 181 #ifdef TLP_DEBUG 182 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 183 printf x 184 #else 185 #define DPRINTF(sc, x) /* nothing */ 186 #endif 187 188 #ifdef TLP_STATS 189 void tlp_print_stats __P((struct tulip_softc *)); 190 #endif 191 192 /* 193 * Can be used to debug the SROM-related things, including contents. 194 * Initialized so that it's patchable. 195 */ 196 int tlp_srom_debug = 0; 197 198 /* 199 * tlp_attach: 200 * 201 * Attach a Tulip interface to the system. 202 */ 203 void 204 tlp_attach(sc, enaddr) 205 struct tulip_softc *sc; 206 const u_int8_t *enaddr; 207 { 208 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 209 int i, error; 210 211 callout_init(&sc->sc_nway_callout); 212 callout_init(&sc->sc_tick_callout); 213 214 /* 215 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 216 */ 217 218 /* 219 * Setup the transmit threshold table. 220 */ 221 switch (sc->sc_chip) { 222 case TULIP_CHIP_DE425: 223 case TULIP_CHIP_21040: 224 case TULIP_CHIP_21041: 225 sc->sc_txth = tlp_10_txthresh_tab; 226 break; 227 228 case TULIP_CHIP_DM9102: 229 case TULIP_CHIP_DM9102A: 230 sc->sc_txth = tlp_dm9102_txthresh_tab; 231 break; 232 233 default: 234 sc->sc_txth = tlp_10_100_txthresh_tab; 235 break; 236 } 237 238 /* 239 * Setup the filter setup function. 240 */ 241 switch (sc->sc_chip) { 242 case TULIP_CHIP_WB89C840F: 243 sc->sc_filter_setup = tlp_winb_filter_setup; 244 break; 245 246 case TULIP_CHIP_AL981: 247 case TULIP_CHIP_AN983: 248 case TULIP_CHIP_AN985: 249 sc->sc_filter_setup = tlp_al981_filter_setup; 250 break; 251 252 default: 253 sc->sc_filter_setup = tlp_filter_setup; 254 break; 255 } 256 257 /* 258 * Set up the media status change function. 259 */ 260 switch (sc->sc_chip) { 261 case TULIP_CHIP_WB89C840F: 262 sc->sc_statchg = tlp_winb_mii_statchg; 263 break; 264 265 case TULIP_CHIP_DM9102: 266 case TULIP_CHIP_DM9102A: 267 sc->sc_statchg = tlp_dm9102_mii_statchg; 268 break; 269 270 default: 271 /* 272 * We may override this if we have special media 273 * handling requirements (e.g. flipping GPIO pins). 274 * 275 * The pure-MII statchg function covers the basics. 276 */ 277 sc->sc_statchg = tlp_mii_statchg; 278 break; 279 } 280 281 /* 282 * Default to no FS|LS in setup packet descriptors. They're 283 * supposed to be zero according to the 21040 and 21143 284 * manuals, and some chips fall over badly if they're 285 * included. Yet, other chips seem to require them. Sigh. 286 */ 287 switch (sc->sc_chip) { 288 case TULIP_CHIP_X3201_3: 289 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 290 break; 291 292 default: 293 sc->sc_setup_fsls = 0; 294 } 295 296 /* 297 * Set up various chip-specific quirks. 298 * 299 * Note that wherever we can, we use the "ring" option for 300 * transmit and receive descriptors. This is because some 301 * clone chips apparently have problems when using chaining, 302 * although some *only* support chaining. 303 * 304 * What we do is always program the "next" pointer, and then 305 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 306 * appropriate places. 307 */ 308 switch (sc->sc_chip) { 309 case TULIP_CHIP_21140: 310 case TULIP_CHIP_21140A: 311 case TULIP_CHIP_21142: 312 case TULIP_CHIP_21143: 313 case TULIP_CHIP_82C115: /* 21143-like */ 314 case TULIP_CHIP_MX98713: /* 21140-like */ 315 case TULIP_CHIP_MX98713A: /* 21143-like */ 316 case TULIP_CHIP_MX98715: /* 21143-like */ 317 case TULIP_CHIP_MX98715A: /* 21143-like */ 318 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 319 case TULIP_CHIP_MX98725: /* 21143-like */ 320 /* 321 * Run these chips in ring mode. 322 */ 323 sc->sc_tdctl_ch = 0; 324 sc->sc_tdctl_er = TDCTL_ER; 325 sc->sc_preinit = tlp_2114x_preinit; 326 break; 327 328 case TULIP_CHIP_82C168: 329 case TULIP_CHIP_82C169: 330 /* 331 * Run these chips in ring mode. 332 */ 333 sc->sc_tdctl_ch = 0; 334 sc->sc_tdctl_er = TDCTL_ER; 335 sc->sc_preinit = tlp_pnic_preinit; 336 337 /* 338 * These chips seem to have busted DMA engines; just put them 339 * in Store-and-Forward mode from the get-go. 340 */ 341 sc->sc_txthresh = TXTH_SF; 342 break; 343 344 case TULIP_CHIP_WB89C840F: 345 /* 346 * Run this chip in chained mode. 347 */ 348 sc->sc_tdctl_ch = TDCTL_CH; 349 sc->sc_tdctl_er = 0; 350 sc->sc_flags |= TULIPF_IC_FS; 351 break; 352 353 case TULIP_CHIP_DM9102: 354 case TULIP_CHIP_DM9102A: 355 /* 356 * Run these chips in chained mode. 357 */ 358 sc->sc_tdctl_ch = TDCTL_CH; 359 sc->sc_tdctl_er = 0; 360 sc->sc_preinit = tlp_dm9102_preinit; 361 362 /* 363 * These chips have a broken bus interface, so we 364 * can't use any optimized bus commands. For this 365 * reason, we tend to underrun pretty quickly, so 366 * just to Store-and-Forward mode from the get-go. 367 */ 368 sc->sc_txthresh = TXTH_DM9102_SF; 369 break; 370 371 default: 372 /* 373 * Default to running in ring mode. 374 */ 375 sc->sc_tdctl_ch = 0; 376 sc->sc_tdctl_er = TDCTL_ER; 377 } 378 379 /* 380 * Set up the MII bit-bang operations. 381 */ 382 switch (sc->sc_chip) { 383 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 384 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 385 break; 386 387 default: 388 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 389 } 390 391 SIMPLEQ_INIT(&sc->sc_txfreeq); 392 SIMPLEQ_INIT(&sc->sc_txdirtyq); 393 394 /* 395 * Allocate the control data structures, and create and load the 396 * DMA map for it. 397 */ 398 if ((error = bus_dmamem_alloc(sc->sc_dmat, 399 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 400 1, &sc->sc_cdnseg, 0)) != 0) { 401 printf("%s: unable to allocate control data, error = %d\n", 402 sc->sc_dev.dv_xname, error); 403 goto fail_0; 404 } 405 406 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 407 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 408 BUS_DMA_COHERENT)) != 0) { 409 printf("%s: unable to map control data, error = %d\n", 410 sc->sc_dev.dv_xname, error); 411 goto fail_1; 412 } 413 414 if ((error = bus_dmamap_create(sc->sc_dmat, 415 sizeof(struct tulip_control_data), 1, 416 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 417 printf("%s: unable to create control data DMA map, " 418 "error = %d\n", sc->sc_dev.dv_xname, error); 419 goto fail_2; 420 } 421 422 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 423 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 424 0)) != 0) { 425 printf("%s: unable to load control data DMA map, error = %d\n", 426 sc->sc_dev.dv_xname, error); 427 goto fail_3; 428 } 429 430 /* 431 * Create the transmit buffer DMA maps. 432 * 433 * Note that on the Xircom clone, transmit buffers must be 434 * 4-byte aligned. We're almost guaranteed to have to copy 435 * the packet in that case, so we just limit ourselves to 436 * one segment. 437 * 438 * On the DM9102, the transmit logic can only handle one 439 * DMA segment. 440 */ 441 switch (sc->sc_chip) { 442 case TULIP_CHIP_X3201_3: 443 case TULIP_CHIP_DM9102: 444 case TULIP_CHIP_DM9102A: 445 sc->sc_ntxsegs = 1; 446 break; 447 448 default: 449 sc->sc_ntxsegs = TULIP_NTXSEGS; 450 } 451 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 452 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 453 sc->sc_ntxsegs, MCLBYTES, 0, 0, 454 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 455 printf("%s: unable to create tx DMA map %d, " 456 "error = %d\n", sc->sc_dev.dv_xname, i, error); 457 goto fail_4; 458 } 459 } 460 461 /* 462 * Create the recieve buffer DMA maps. 463 */ 464 for (i = 0; i < TULIP_NRXDESC; i++) { 465 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 466 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 467 printf("%s: unable to create rx DMA map %d, " 468 "error = %d\n", sc->sc_dev.dv_xname, i, error); 469 goto fail_5; 470 } 471 sc->sc_rxsoft[i].rxs_mbuf = NULL; 472 } 473 474 /* 475 * From this point forward, the attachment cannot fail. A failure 476 * before this point releases all resources that may have been 477 * allocated. 478 */ 479 sc->sc_flags |= TULIPF_ATTACHED; 480 481 /* 482 * Reset the chip to a known state. 483 */ 484 tlp_reset(sc); 485 486 /* Announce ourselves. */ 487 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 488 sc->sc_name[0] != '\0' ? sc->sc_name : "", 489 sc->sc_name[0] != '\0' ? ", " : "", 490 ether_sprintf(enaddr)); 491 492 /* 493 * Initialize our media structures. This may probe the MII, if 494 * present. 495 */ 496 (*sc->sc_mediasw->tmsw_init)(sc); 497 498 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 499 ifp->if_softc = sc; 500 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 501 ifp->if_ioctl = tlp_ioctl; 502 ifp->if_start = tlp_start; 503 ifp->if_watchdog = tlp_watchdog; 504 ifp->if_init = tlp_init; 505 ifp->if_stop = tlp_stop; 506 IFQ_SET_READY(&ifp->if_snd); 507 508 /* 509 * We can support 802.1Q VLAN-sized frames. 510 */ 511 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 512 513 /* 514 * Attach the interface. 515 */ 516 if_attach(ifp); 517 ether_ifattach(ifp, enaddr); 518 #if NRND > 0 519 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 520 RND_TYPE_NET, 0); 521 #endif 522 523 /* 524 * Make sure the interface is shutdown during reboot. 525 */ 526 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 527 if (sc->sc_sdhook == NULL) 528 printf("%s: WARNING: unable to establish shutdown hook\n", 529 sc->sc_dev.dv_xname); 530 531 /* 532 * Add a suspend hook to make sure we come back up after a 533 * resume. 534 */ 535 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 536 if (sc->sc_powerhook == NULL) 537 printf("%s: WARNING: unable to establish power hook\n", 538 sc->sc_dev.dv_xname); 539 return; 540 541 /* 542 * Free any resources we've allocated during the failed attach 543 * attempt. Do this in reverse order and fall through. 544 */ 545 fail_5: 546 for (i = 0; i < TULIP_NRXDESC; i++) { 547 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 548 bus_dmamap_destroy(sc->sc_dmat, 549 sc->sc_rxsoft[i].rxs_dmamap); 550 } 551 fail_4: 552 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 553 if (sc->sc_txsoft[i].txs_dmamap != NULL) 554 bus_dmamap_destroy(sc->sc_dmat, 555 sc->sc_txsoft[i].txs_dmamap); 556 } 557 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 558 fail_3: 559 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 560 fail_2: 561 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 562 sizeof(struct tulip_control_data)); 563 fail_1: 564 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 565 fail_0: 566 return; 567 } 568 569 /* 570 * tlp_activate: 571 * 572 * Handle device activation/deactivation requests. 573 */ 574 int 575 tlp_activate(self, act) 576 struct device *self; 577 enum devact act; 578 { 579 struct tulip_softc *sc = (void *) self; 580 int s, error = 0; 581 582 s = splnet(); 583 switch (act) { 584 case DVACT_ACTIVATE: 585 error = EOPNOTSUPP; 586 break; 587 588 case DVACT_DEACTIVATE: 589 if (sc->sc_flags & TULIPF_HAS_MII) 590 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 591 MII_OFFSET_ANY); 592 if_deactivate(&sc->sc_ethercom.ec_if); 593 break; 594 } 595 splx(s); 596 597 return (error); 598 } 599 600 /* 601 * tlp_detach: 602 * 603 * Detach a Tulip interface. 604 */ 605 int 606 tlp_detach(sc) 607 struct tulip_softc *sc; 608 { 609 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 610 struct tulip_rxsoft *rxs; 611 struct tulip_txsoft *txs; 612 int i; 613 614 /* 615 * Suceed now if there isn't any work to do. 616 */ 617 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 618 return (0); 619 620 /* Unhook our tick handler. */ 621 if (sc->sc_tick) 622 callout_stop(&sc->sc_tick_callout); 623 624 if (sc->sc_flags & TULIPF_HAS_MII) { 625 /* Detach all PHYs */ 626 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 627 } 628 629 /* Delete all remaining media. */ 630 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 631 632 #if NRND > 0 633 rnd_detach_source(&sc->sc_rnd_source); 634 #endif 635 ether_ifdetach(ifp); 636 if_detach(ifp); 637 638 for (i = 0; i < TULIP_NRXDESC; i++) { 639 rxs = &sc->sc_rxsoft[i]; 640 if (rxs->rxs_mbuf != NULL) { 641 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 642 m_freem(rxs->rxs_mbuf); 643 rxs->rxs_mbuf = NULL; 644 } 645 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 646 } 647 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 648 txs = &sc->sc_txsoft[i]; 649 if (txs->txs_mbuf != NULL) { 650 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 651 m_freem(txs->txs_mbuf); 652 txs->txs_mbuf = NULL; 653 } 654 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 655 } 656 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 657 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 658 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 659 sizeof(struct tulip_control_data)); 660 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 661 662 shutdownhook_disestablish(sc->sc_sdhook); 663 powerhook_disestablish(sc->sc_powerhook); 664 665 if (sc->sc_srom) 666 free(sc->sc_srom, M_DEVBUF); 667 668 return (0); 669 } 670 671 /* 672 * tlp_shutdown: 673 * 674 * Make sure the interface is stopped at reboot time. 675 */ 676 void 677 tlp_shutdown(arg) 678 void *arg; 679 { 680 struct tulip_softc *sc = arg; 681 682 tlp_stop(&sc->sc_ethercom.ec_if, 1); 683 } 684 685 /* 686 * tlp_start: [ifnet interface function] 687 * 688 * Start packet transmission on the interface. 689 */ 690 void 691 tlp_start(ifp) 692 struct ifnet *ifp; 693 { 694 struct tulip_softc *sc = ifp->if_softc; 695 struct mbuf *m0, *m; 696 struct tulip_txsoft *txs, *last_txs; 697 bus_dmamap_t dmamap; 698 int error, firsttx, nexttx, lasttx, ofree, seg; 699 700 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 701 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 702 703 /* 704 * If we want a filter setup, it means no more descriptors were 705 * available for the setup routine. Let it get a chance to wedge 706 * itself into the ring. 707 */ 708 if (sc->sc_flags & TULIPF_WANT_SETUP) 709 ifp->if_flags |= IFF_OACTIVE; 710 711 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 712 return; 713 714 /* 715 * Remember the previous number of free descriptors and 716 * the first descriptor we'll use. 717 */ 718 ofree = sc->sc_txfree; 719 firsttx = sc->sc_txnext; 720 721 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 722 sc->sc_dev.dv_xname, ofree, firsttx)); 723 724 /* 725 * Loop through the send queue, setting up transmit descriptors 726 * until we drain the queue, or use up all available transmit 727 * descriptors. 728 */ 729 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 730 sc->sc_txfree != 0) { 731 /* 732 * Grab a packet off the queue. 733 */ 734 IFQ_POLL(&ifp->if_snd, m0); 735 if (m0 == NULL) 736 break; 737 m = NULL; 738 739 dmamap = txs->txs_dmamap; 740 741 /* 742 * Load the DMA map. If this fails, the packet either 743 * didn't fit in the alloted number of segments, or we were 744 * short on resources. In this case, we'll copy and try 745 * again. 746 * 747 * Note that if we're only allowed 1 Tx segment, we 748 * have an alignment restriction. Do this test before 749 * attempting to load the DMA map, because it's more 750 * likely we'll trip the alignment test than the 751 * more-than-one-segment test. 752 */ 753 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 754 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 755 BUS_DMA_NOWAIT) != 0) { 756 MGETHDR(m, M_DONTWAIT, MT_DATA); 757 if (m == NULL) { 758 printf("%s: unable to allocate Tx mbuf\n", 759 sc->sc_dev.dv_xname); 760 break; 761 } 762 if (m0->m_pkthdr.len > MHLEN) { 763 MCLGET(m, M_DONTWAIT); 764 if ((m->m_flags & M_EXT) == 0) { 765 printf("%s: unable to allocate Tx " 766 "cluster\n", sc->sc_dev.dv_xname); 767 m_freem(m); 768 break; 769 } 770 } 771 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 772 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 773 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 774 m, BUS_DMA_NOWAIT); 775 if (error) { 776 printf("%s: unable to load Tx buffer, " 777 "error = %d\n", sc->sc_dev.dv_xname, error); 778 break; 779 } 780 } 781 782 /* 783 * Ensure we have enough descriptors free to describe 784 * the packet. 785 */ 786 if (dmamap->dm_nsegs > sc->sc_txfree) { 787 /* 788 * Not enough free descriptors to transmit this 789 * packet. We haven't committed to anything yet, 790 * so just unload the DMA map, put the packet 791 * back on the queue, and punt. Notify the upper 792 * layer that there are no more slots left. 793 * 794 * XXX We could allocate an mbuf and copy, but 795 * XXX it is worth it? 796 */ 797 ifp->if_flags |= IFF_OACTIVE; 798 bus_dmamap_unload(sc->sc_dmat, dmamap); 799 if (m != NULL) 800 m_freem(m); 801 break; 802 } 803 804 IFQ_DEQUEUE(&ifp->if_snd, m0); 805 if (m != NULL) { 806 m_freem(m0); 807 m0 = m; 808 } 809 810 /* 811 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 812 */ 813 814 /* Sync the DMA map. */ 815 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 816 BUS_DMASYNC_PREWRITE); 817 818 /* 819 * Initialize the transmit descriptors. 820 */ 821 for (nexttx = sc->sc_txnext, seg = 0; 822 seg < dmamap->dm_nsegs; 823 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 824 /* 825 * If this is the first descriptor we're 826 * enqueueing, don't set the OWN bit just 827 * yet. That could cause a race condition. 828 * We'll do it below. 829 */ 830 sc->sc_txdescs[nexttx].td_status = 831 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 832 sc->sc_txdescs[nexttx].td_bufaddr1 = 833 htole32(dmamap->dm_segs[seg].ds_addr); 834 sc->sc_txdescs[nexttx].td_ctl = 835 htole32((dmamap->dm_segs[seg].ds_len << 836 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 837 (nexttx == (TULIP_NTXDESC - 1) ? 838 sc->sc_tdctl_er : 0)); 839 lasttx = nexttx; 840 } 841 842 /* Set `first segment' and `last segment' appropriately. */ 843 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 844 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 845 846 #ifdef TLP_DEBUG 847 if (ifp->if_flags & IFF_DEBUG) { 848 printf(" txsoft %p transmit chain:\n", txs); 849 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 850 printf(" descriptor %d:\n", seg); 851 printf(" td_status: 0x%08x\n", 852 le32toh(sc->sc_txdescs[seg].td_status)); 853 printf(" td_ctl: 0x%08x\n", 854 le32toh(sc->sc_txdescs[seg].td_ctl)); 855 printf(" td_bufaddr1: 0x%08x\n", 856 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 857 printf(" td_bufaddr2: 0x%08x\n", 858 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 859 if (seg == lasttx) 860 break; 861 } 862 } 863 #endif 864 865 /* Sync the descriptors we're using. */ 866 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 867 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 868 869 /* 870 * Store a pointer to the packet so we can free it later, 871 * and remember what txdirty will be once the packet is 872 * done. 873 */ 874 txs->txs_mbuf = m0; 875 txs->txs_firstdesc = sc->sc_txnext; 876 txs->txs_lastdesc = lasttx; 877 txs->txs_ndescs = dmamap->dm_nsegs; 878 879 /* Advance the tx pointer. */ 880 sc->sc_txfree -= dmamap->dm_nsegs; 881 sc->sc_txnext = nexttx; 882 883 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 884 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 885 886 last_txs = txs; 887 888 #if NBPFILTER > 0 889 /* 890 * Pass the packet to any BPF listeners. 891 */ 892 if (ifp->if_bpf) 893 bpf_mtap(ifp->if_bpf, m0); 894 #endif /* NBPFILTER > 0 */ 895 } 896 897 if (txs == NULL || sc->sc_txfree == 0) { 898 /* No more slots left; notify upper layer. */ 899 ifp->if_flags |= IFF_OACTIVE; 900 } 901 902 if (sc->sc_txfree != ofree) { 903 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 904 sc->sc_dev.dv_xname, lasttx, firsttx)); 905 /* 906 * Cause a transmit interrupt to happen on the 907 * last packet we enqueued. 908 */ 909 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 910 TULIP_CDTXSYNC(sc, lasttx, 1, 911 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 912 913 /* 914 * Some clone chips want IC on the *first* segment in 915 * the packet. Appease them. 916 */ 917 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 918 last_txs->txs_firstdesc != lasttx) { 919 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 920 htole32(TDCTL_Tx_IC); 921 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 922 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 923 } 924 925 /* 926 * The entire packet chain is set up. Give the 927 * first descriptor to the chip now. 928 */ 929 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 930 TULIP_CDTXSYNC(sc, firsttx, 1, 931 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 932 933 /* Wake up the transmitter. */ 934 /* XXX USE AUTOPOLLING? */ 935 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 936 937 /* Set a watchdog timer in case the chip flakes out. */ 938 ifp->if_timer = 5; 939 } 940 } 941 942 /* 943 * tlp_watchdog: [ifnet interface function] 944 * 945 * Watchdog timer handler. 946 */ 947 void 948 tlp_watchdog(ifp) 949 struct ifnet *ifp; 950 { 951 struct tulip_softc *sc = ifp->if_softc; 952 int doing_setup, doing_transmit; 953 954 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 955 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 956 957 if (doing_setup && doing_transmit) { 958 printf("%s: filter setup and transmit timeout\n", 959 sc->sc_dev.dv_xname); 960 ifp->if_oerrors++; 961 } else if (doing_transmit) { 962 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 963 ifp->if_oerrors++; 964 } else if (doing_setup) 965 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 966 else 967 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 968 969 (void) tlp_init(ifp); 970 971 /* Try to get more packets going. */ 972 tlp_start(ifp); 973 } 974 975 /* 976 * tlp_ioctl: [ifnet interface function] 977 * 978 * Handle control requests from the operator. 979 */ 980 int 981 tlp_ioctl(ifp, cmd, data) 982 struct ifnet *ifp; 983 u_long cmd; 984 caddr_t data; 985 { 986 struct tulip_softc *sc = ifp->if_softc; 987 struct ifreq *ifr = (struct ifreq *)data; 988 int s, error; 989 990 s = splnet(); 991 992 switch (cmd) { 993 case SIOCSIFMEDIA: 994 case SIOCGIFMEDIA: 995 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 996 break; 997 998 default: 999 error = ether_ioctl(ifp, cmd, data); 1000 if (error == ENETRESET) { 1001 if (TULIP_IS_ENABLED(sc)) { 1002 /* 1003 * Multicast list has changed. Set the 1004 * hardware filter accordingly. 1005 */ 1006 (*sc->sc_filter_setup)(sc); 1007 } 1008 error = 0; 1009 } 1010 break; 1011 } 1012 1013 /* Try to get more packets going. */ 1014 if (TULIP_IS_ENABLED(sc)) 1015 tlp_start(ifp); 1016 1017 splx(s); 1018 return (error); 1019 } 1020 1021 /* 1022 * tlp_intr: 1023 * 1024 * Interrupt service routine. 1025 */ 1026 int 1027 tlp_intr(arg) 1028 void *arg; 1029 { 1030 struct tulip_softc *sc = arg; 1031 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1032 u_int32_t status, rxstatus, txstatus; 1033 int handled = 0, txthresh; 1034 1035 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1036 1037 #ifdef DEBUG 1038 if (TULIP_IS_ENABLED(sc) == 0) 1039 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1040 #endif 1041 1042 /* 1043 * If the interface isn't running, the interrupt couldn't 1044 * possibly have come from us. 1045 */ 1046 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1047 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1048 return (0); 1049 1050 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1051 switch (sc->sc_chip) { 1052 case TULIP_CHIP_DM9102: 1053 case TULIP_CHIP_DM9102A: 1054 TULIP_WRITE(sc, CSR_INTEN, 0); 1055 break; 1056 1057 default: 1058 /* Nothing. */ 1059 break; 1060 } 1061 1062 for (;;) { 1063 status = TULIP_READ(sc, CSR_STATUS); 1064 if (status) 1065 TULIP_WRITE(sc, CSR_STATUS, status); 1066 1067 if ((status & sc->sc_inten) == 0) 1068 break; 1069 1070 handled = 1; 1071 1072 rxstatus = status & sc->sc_rxint_mask; 1073 txstatus = status & sc->sc_txint_mask; 1074 1075 if (rxstatus) { 1076 /* Grab new any new packets. */ 1077 tlp_rxintr(sc); 1078 1079 if (rxstatus & STATUS_RWT) 1080 printf("%s: receive watchdog timeout\n", 1081 sc->sc_dev.dv_xname); 1082 1083 if (rxstatus & STATUS_RU) { 1084 printf("%s: receive ring overrun\n", 1085 sc->sc_dev.dv_xname); 1086 /* Get the receive process going again. */ 1087 if (sc->sc_tdctl_er != TDCTL_ER) { 1088 tlp_idle(sc, OPMODE_SR); 1089 TULIP_WRITE(sc, CSR_RXLIST, 1090 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1091 TULIP_WRITE(sc, CSR_OPMODE, 1092 sc->sc_opmode); 1093 } 1094 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1095 break; 1096 } 1097 } 1098 1099 if (txstatus) { 1100 /* Sweep up transmit descriptors. */ 1101 tlp_txintr(sc); 1102 1103 if (txstatus & STATUS_TJT) 1104 printf("%s: transmit jabber timeout\n", 1105 sc->sc_dev.dv_xname); 1106 1107 if (txstatus & STATUS_UNF) { 1108 /* 1109 * Increase our transmit threshold if 1110 * another is available. 1111 */ 1112 txthresh = sc->sc_txthresh + 1; 1113 if (sc->sc_txth[txthresh].txth_name != NULL) { 1114 /* Idle the transmit process. */ 1115 tlp_idle(sc, OPMODE_ST); 1116 1117 sc->sc_txthresh = txthresh; 1118 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1119 sc->sc_opmode |= 1120 sc->sc_txth[txthresh].txth_opmode; 1121 printf("%s: transmit underrun; new " 1122 "threshold: %s\n", 1123 sc->sc_dev.dv_xname, 1124 sc->sc_txth[txthresh].txth_name); 1125 1126 /* 1127 * Set the new threshold and restart 1128 * the transmit process. 1129 */ 1130 TULIP_WRITE(sc, CSR_OPMODE, 1131 sc->sc_opmode); 1132 } 1133 /* 1134 * XXX Log every Nth underrun from 1135 * XXX now on? 1136 */ 1137 } 1138 } 1139 1140 if (status & (STATUS_TPS|STATUS_RPS)) { 1141 if (status & STATUS_TPS) 1142 printf("%s: transmit process stopped\n", 1143 sc->sc_dev.dv_xname); 1144 if (status & STATUS_RPS) 1145 printf("%s: receive process stopped\n", 1146 sc->sc_dev.dv_xname); 1147 (void) tlp_init(ifp); 1148 break; 1149 } 1150 1151 if (status & STATUS_SE) { 1152 const char *str; 1153 switch (status & STATUS_EB) { 1154 case STATUS_EB_PARITY: 1155 str = "parity error"; 1156 break; 1157 1158 case STATUS_EB_MABT: 1159 str = "master abort"; 1160 break; 1161 1162 case STATUS_EB_TABT: 1163 str = "target abort"; 1164 break; 1165 1166 default: 1167 str = "unknown error"; 1168 break; 1169 } 1170 printf("%s: fatal system error: %s\n", 1171 sc->sc_dev.dv_xname, str); 1172 (void) tlp_init(ifp); 1173 break; 1174 } 1175 1176 /* 1177 * Not handled: 1178 * 1179 * Transmit buffer unavailable -- normal 1180 * condition, nothing to do, really. 1181 * 1182 * General purpose timer experied -- we don't 1183 * use the general purpose timer. 1184 * 1185 * Early receive interrupt -- not available on 1186 * all chips, we just use RI. We also only 1187 * use single-segment receive DMA, so this 1188 * is mostly useless. 1189 */ 1190 } 1191 1192 /* Bring interrupts back up on the DM9102. */ 1193 switch (sc->sc_chip) { 1194 case TULIP_CHIP_DM9102: 1195 case TULIP_CHIP_DM9102A: 1196 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1197 break; 1198 1199 default: 1200 /* Nothing. */ 1201 break; 1202 } 1203 1204 /* Try to get more packets going. */ 1205 tlp_start(ifp); 1206 1207 #if NRND > 0 1208 if (handled) 1209 rnd_add_uint32(&sc->sc_rnd_source, status); 1210 #endif 1211 return (handled); 1212 } 1213 1214 /* 1215 * tlp_rxintr: 1216 * 1217 * Helper; handle receive interrupts. 1218 */ 1219 void 1220 tlp_rxintr(sc) 1221 struct tulip_softc *sc; 1222 { 1223 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1224 struct ether_header *eh; 1225 struct tulip_rxsoft *rxs; 1226 struct mbuf *m; 1227 u_int32_t rxstat; 1228 int i, len; 1229 1230 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1231 rxs = &sc->sc_rxsoft[i]; 1232 1233 TULIP_CDRXSYNC(sc, i, 1234 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1235 1236 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1237 1238 if (rxstat & TDSTAT_OWN) { 1239 /* 1240 * We have processed all of the receive buffers. 1241 */ 1242 break; 1243 } 1244 1245 /* 1246 * Make sure the packet fit in one buffer. This should 1247 * always be the case. But the Lite-On PNIC, rev 33 1248 * has an awful receive engine bug, which may require 1249 * a very icky work-around. 1250 */ 1251 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1252 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1253 printf("%s: incoming packet spilled, resetting\n", 1254 sc->sc_dev.dv_xname); 1255 (void) tlp_init(ifp); 1256 return; 1257 } 1258 1259 /* 1260 * If any collisions were seen on the wire, count one. 1261 */ 1262 if (rxstat & TDSTAT_Rx_CS) 1263 ifp->if_collisions++; 1264 1265 /* 1266 * If an error occured, update stats, clear the status 1267 * word, and leave the packet buffer in place. It will 1268 * simply be reused the next time the ring comes around. 1269 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1270 * error. 1271 */ 1272 if (rxstat & TDSTAT_ES && 1273 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1274 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1275 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1276 #define PRINTERR(bit, str) \ 1277 if (rxstat & (bit)) \ 1278 printf("%s: receive error: %s\n", \ 1279 sc->sc_dev.dv_xname, str) 1280 ifp->if_ierrors++; 1281 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1282 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1283 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1284 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1285 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1286 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1287 #undef PRINTERR 1288 TULIP_INIT_RXDESC(sc, i); 1289 continue; 1290 } 1291 1292 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1293 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1294 1295 /* 1296 * No errors; receive the packet. Note the Tulip 1297 * includes the CRC with every packet. 1298 */ 1299 len = TDSTAT_Rx_LENGTH(rxstat); 1300 1301 #ifdef __NO_STRICT_ALIGNMENT 1302 /* 1303 * Allocate a new mbuf cluster. If that fails, we are 1304 * out of memory, and must drop the packet and recycle 1305 * the buffer that's already attached to this descriptor. 1306 */ 1307 m = rxs->rxs_mbuf; 1308 if (tlp_add_rxbuf(sc, i) != 0) { 1309 ifp->if_ierrors++; 1310 TULIP_INIT_RXDESC(sc, i); 1311 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1312 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1313 continue; 1314 } 1315 #else 1316 /* 1317 * The Tulip's receive buffers must be 4-byte aligned. 1318 * But this means that the data after the Ethernet header 1319 * is misaligned. We must allocate a new buffer and 1320 * copy the data, shifted forward 2 bytes. 1321 */ 1322 MGETHDR(m, M_DONTWAIT, MT_DATA); 1323 if (m == NULL) { 1324 dropit: 1325 ifp->if_ierrors++; 1326 TULIP_INIT_RXDESC(sc, i); 1327 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1328 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1329 continue; 1330 } 1331 if (len > (MHLEN - 2)) { 1332 MCLGET(m, M_DONTWAIT); 1333 if ((m->m_flags & M_EXT) == 0) { 1334 m_freem(m); 1335 goto dropit; 1336 } 1337 } 1338 m->m_data += 2; 1339 1340 /* 1341 * Note that we use clusters for incoming frames, so the 1342 * buffer is virtually contiguous. 1343 */ 1344 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1345 1346 /* Allow the receive descriptor to continue using its mbuf. */ 1347 TULIP_INIT_RXDESC(sc, i); 1348 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1349 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1350 #endif /* __NO_STRICT_ALIGNMENT */ 1351 1352 ifp->if_ipackets++; 1353 eh = mtod(m, struct ether_header *); 1354 m->m_flags |= M_HASFCS; 1355 m->m_pkthdr.rcvif = ifp; 1356 m->m_pkthdr.len = m->m_len = len; 1357 1358 #if NBPFILTER > 0 1359 /* 1360 * Pass this up to any BPF listeners, but only 1361 * pass it up the stack if its for us. 1362 */ 1363 if (ifp->if_bpf) 1364 bpf_mtap(ifp->if_bpf, m); 1365 #endif /* NPBFILTER > 0 */ 1366 1367 /* 1368 * We sometimes have to run the 21140 in Hash-Only 1369 * mode. If we're in that mode, and not in promiscuous 1370 * mode, and we have a unicast packet that isn't for 1371 * us, then drop it. 1372 */ 1373 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1374 (ifp->if_flags & IFF_PROMISC) == 0 && 1375 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1376 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1377 ETHER_ADDR_LEN) != 0) { 1378 m_freem(m); 1379 continue; 1380 } 1381 1382 /* Pass it on. */ 1383 (*ifp->if_input)(ifp, m); 1384 } 1385 1386 /* Update the recieve pointer. */ 1387 sc->sc_rxptr = i; 1388 } 1389 1390 /* 1391 * tlp_txintr: 1392 * 1393 * Helper; handle transmit interrupts. 1394 */ 1395 void 1396 tlp_txintr(sc) 1397 struct tulip_softc *sc; 1398 { 1399 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1400 struct tulip_txsoft *txs; 1401 u_int32_t txstat; 1402 1403 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1404 sc->sc_dev.dv_xname, sc->sc_flags)); 1405 1406 ifp->if_flags &= ~IFF_OACTIVE; 1407 1408 /* 1409 * Go through our Tx list and free mbufs for those 1410 * frames that have been transmitted. 1411 */ 1412 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1413 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1414 txs->txs_ndescs, 1415 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1416 1417 #ifdef TLP_DEBUG 1418 if (ifp->if_flags & IFF_DEBUG) { 1419 int i; 1420 printf(" txsoft %p transmit chain:\n", txs); 1421 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1422 printf(" descriptor %d:\n", i); 1423 printf(" td_status: 0x%08x\n", 1424 le32toh(sc->sc_txdescs[i].td_status)); 1425 printf(" td_ctl: 0x%08x\n", 1426 le32toh(sc->sc_txdescs[i].td_ctl)); 1427 printf(" td_bufaddr1: 0x%08x\n", 1428 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1429 printf(" td_bufaddr2: 0x%08x\n", 1430 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1431 if (i == txs->txs_lastdesc) 1432 break; 1433 } 1434 } 1435 #endif 1436 1437 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1438 if (txstat & TDSTAT_OWN) 1439 break; 1440 1441 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1442 1443 sc->sc_txfree += txs->txs_ndescs; 1444 1445 if (txs->txs_mbuf == NULL) { 1446 /* 1447 * If we didn't have an mbuf, it was the setup 1448 * packet. 1449 */ 1450 #ifdef DIAGNOSTIC 1451 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1452 panic("tlp_txintr: null mbuf, not doing setup"); 1453 #endif 1454 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1455 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1456 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1457 continue; 1458 } 1459 1460 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1461 0, txs->txs_dmamap->dm_mapsize, 1462 BUS_DMASYNC_POSTWRITE); 1463 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1464 m_freem(txs->txs_mbuf); 1465 txs->txs_mbuf = NULL; 1466 1467 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1468 1469 /* 1470 * Check for errors and collisions. 1471 */ 1472 #ifdef TLP_STATS 1473 if (txstat & TDSTAT_Tx_UF) 1474 sc->sc_stats.ts_tx_uf++; 1475 if (txstat & TDSTAT_Tx_TO) 1476 sc->sc_stats.ts_tx_to++; 1477 if (txstat & TDSTAT_Tx_EC) 1478 sc->sc_stats.ts_tx_ec++; 1479 if (txstat & TDSTAT_Tx_LC) 1480 sc->sc_stats.ts_tx_lc++; 1481 #endif 1482 1483 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1484 ifp->if_oerrors++; 1485 1486 if (txstat & TDSTAT_Tx_EC) 1487 ifp->if_collisions += 16; 1488 else 1489 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1490 if (txstat & TDSTAT_Tx_LC) 1491 ifp->if_collisions++; 1492 1493 ifp->if_opackets++; 1494 } 1495 1496 /* 1497 * If there are no more pending transmissions, cancel the watchdog 1498 * timer. 1499 */ 1500 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1501 ifp->if_timer = 0; 1502 1503 /* 1504 * If we have a receive filter setup pending, do it now. 1505 */ 1506 if (sc->sc_flags & TULIPF_WANT_SETUP) 1507 (*sc->sc_filter_setup)(sc); 1508 } 1509 1510 #ifdef TLP_STATS 1511 void 1512 tlp_print_stats(sc) 1513 struct tulip_softc *sc; 1514 { 1515 1516 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1517 sc->sc_dev.dv_xname, 1518 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1519 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1520 } 1521 #endif 1522 1523 /* 1524 * tlp_reset: 1525 * 1526 * Perform a soft reset on the Tulip. 1527 */ 1528 void 1529 tlp_reset(sc) 1530 struct tulip_softc *sc; 1531 { 1532 int i; 1533 1534 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1535 1536 /* 1537 * Xircom clone doesn't bring itself out of reset automatically. 1538 * Instead, we have to wait at least 50 PCI cycles, and then 1539 * clear SWR. 1540 */ 1541 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1542 delay(10); 1543 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1544 } 1545 1546 for (i = 0; i < 1000; i++) { 1547 /* 1548 * Wait at least 50 PCI cycles for the reset to 1549 * complete before peeking at the Tulip again. 1550 * 10 uSec is a bit longer than 50 PCI cycles 1551 * (at 33MHz), but it doesn't hurt have the extra 1552 * wait. 1553 */ 1554 delay(10); 1555 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1556 break; 1557 } 1558 1559 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1560 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1561 1562 delay(1000); 1563 1564 /* 1565 * If the board has any GPIO reset sequences to issue, do them now. 1566 */ 1567 if (sc->sc_reset != NULL) 1568 (*sc->sc_reset)(sc); 1569 } 1570 1571 /* 1572 * tlp_init: [ ifnet interface function ] 1573 * 1574 * Initialize the interface. Must be called at splnet(). 1575 */ 1576 int 1577 tlp_init(ifp) 1578 struct ifnet *ifp; 1579 { 1580 struct tulip_softc *sc = ifp->if_softc; 1581 struct tulip_txsoft *txs; 1582 struct tulip_rxsoft *rxs; 1583 int i, error = 0; 1584 1585 if ((error = tlp_enable(sc)) != 0) 1586 goto out; 1587 1588 /* 1589 * Cancel any pending I/O. 1590 */ 1591 tlp_stop(ifp, 0); 1592 1593 /* 1594 * Initialize `opmode' to 0, and call the pre-init routine, if 1595 * any. This is required because the 2114x and some of the 1596 * clones require that the media-related bits in `opmode' be 1597 * set before performing a soft-reset in order to get internal 1598 * chip pathways are correct. Yay! 1599 */ 1600 sc->sc_opmode = 0; 1601 if (sc->sc_preinit != NULL) 1602 (*sc->sc_preinit)(sc); 1603 1604 /* 1605 * Reset the Tulip to a known state. 1606 */ 1607 tlp_reset(sc); 1608 1609 /* 1610 * Initialize the BUSMODE register. 1611 */ 1612 sc->sc_busmode = BUSMODE_BAR; 1613 switch (sc->sc_chip) { 1614 case TULIP_CHIP_21140: 1615 case TULIP_CHIP_21140A: 1616 case TULIP_CHIP_21142: 1617 case TULIP_CHIP_21143: 1618 case TULIP_CHIP_82C115: 1619 case TULIP_CHIP_MX98725: 1620 /* 1621 * If we're allowed to do so, use Memory Read Line 1622 * and Memory Read Multiple. 1623 * 1624 * XXX Should we use Memory Write and Invalidate? 1625 */ 1626 if (sc->sc_flags & TULIPF_MRL) 1627 sc->sc_busmode |= BUSMODE_RLE; 1628 if (sc->sc_flags & TULIPF_MRM) 1629 sc->sc_busmode |= BUSMODE_RME; 1630 #if 0 1631 if (sc->sc_flags & TULIPF_MWI) 1632 sc->sc_busmode |= BUSMODE_WLE; 1633 #endif 1634 break; 1635 1636 case TULIP_CHIP_82C168: 1637 case TULIP_CHIP_82C169: 1638 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1639 if (sc->sc_maxburst == 0) 1640 sc->sc_maxburst = 16; 1641 break; 1642 1643 default: 1644 /* Nothing. */ 1645 break; 1646 } 1647 switch (sc->sc_cacheline) { 1648 default: 1649 /* 1650 * Note: We must *always* set these bits; a cache 1651 * alignment of 0 is RESERVED. 1652 */ 1653 case 8: 1654 sc->sc_busmode |= BUSMODE_CAL_8LW; 1655 break; 1656 case 16: 1657 sc->sc_busmode |= BUSMODE_CAL_16LW; 1658 break; 1659 case 32: 1660 sc->sc_busmode |= BUSMODE_CAL_32LW; 1661 break; 1662 } 1663 switch (sc->sc_maxburst) { 1664 case 1: 1665 sc->sc_busmode |= BUSMODE_PBL_1LW; 1666 break; 1667 case 2: 1668 sc->sc_busmode |= BUSMODE_PBL_2LW; 1669 break; 1670 case 4: 1671 sc->sc_busmode |= BUSMODE_PBL_4LW; 1672 break; 1673 case 8: 1674 sc->sc_busmode |= BUSMODE_PBL_8LW; 1675 break; 1676 case 16: 1677 sc->sc_busmode |= BUSMODE_PBL_16LW; 1678 break; 1679 case 32: 1680 sc->sc_busmode |= BUSMODE_PBL_32LW; 1681 break; 1682 default: 1683 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1684 break; 1685 } 1686 #if BYTE_ORDER == BIG_ENDIAN 1687 /* 1688 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1689 * support them, and even on ones that do, it doesn't 1690 * always work. So we always access descriptors with 1691 * little endian via htole32/le32toh. 1692 */ 1693 #endif 1694 /* 1695 * Big-endian bus requires BUSMODE_BLE anyway. 1696 * Also, BUSMODE_DBO is needed because we assume 1697 * descriptors are little endian. 1698 */ 1699 if (sc->sc_flags & TULIPF_BLE) 1700 sc->sc_busmode |= BUSMODE_BLE; 1701 if (sc->sc_flags & TULIPF_DBO) 1702 sc->sc_busmode |= BUSMODE_DBO; 1703 1704 /* 1705 * Some chips have a broken bus interface. 1706 */ 1707 switch (sc->sc_chip) { 1708 case TULIP_CHIP_DM9102: 1709 case TULIP_CHIP_DM9102A: 1710 sc->sc_busmode = 0; 1711 break; 1712 1713 default: 1714 /* Nothing. */ 1715 break; 1716 } 1717 1718 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1719 1720 /* 1721 * Initialize the OPMODE register. We don't write it until 1722 * we're ready to begin the transmit and receive processes. 1723 * 1724 * Media-related OPMODE bits are set in the media callbacks 1725 * for each specific chip/board. 1726 */ 1727 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1728 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1729 1730 /* 1731 * Magical mystery initialization on the Macronix chips. 1732 * The MX98713 uses its own magic value, the rest share 1733 * a common one. 1734 */ 1735 switch (sc->sc_chip) { 1736 case TULIP_CHIP_MX98713: 1737 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1738 break; 1739 1740 case TULIP_CHIP_MX98713A: 1741 case TULIP_CHIP_MX98715: 1742 case TULIP_CHIP_MX98715A: 1743 case TULIP_CHIP_MX98715AEC_X: 1744 case TULIP_CHIP_MX98725: 1745 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1746 break; 1747 1748 default: 1749 /* Nothing. */ 1750 break; 1751 } 1752 1753 /* 1754 * Initialize the transmit descriptor ring. 1755 */ 1756 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1757 for (i = 0; i < TULIP_NTXDESC; i++) { 1758 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1759 sc->sc_txdescs[i].td_bufaddr2 = 1760 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1761 } 1762 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1763 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1764 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1765 sc->sc_txfree = TULIP_NTXDESC; 1766 sc->sc_txnext = 0; 1767 1768 /* 1769 * Initialize the transmit job descriptors. 1770 */ 1771 SIMPLEQ_INIT(&sc->sc_txfreeq); 1772 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1773 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1774 txs = &sc->sc_txsoft[i]; 1775 txs->txs_mbuf = NULL; 1776 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1777 } 1778 1779 /* 1780 * Initialize the receive descriptor and receive job 1781 * descriptor rings. 1782 */ 1783 for (i = 0; i < TULIP_NRXDESC; i++) { 1784 rxs = &sc->sc_rxsoft[i]; 1785 if (rxs->rxs_mbuf == NULL) { 1786 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1787 printf("%s: unable to allocate or map rx " 1788 "buffer %d, error = %d\n", 1789 sc->sc_dev.dv_xname, i, error); 1790 /* 1791 * XXX Should attempt to run with fewer receive 1792 * XXX buffers instead of just failing. 1793 */ 1794 tlp_rxdrain(sc); 1795 goto out; 1796 } 1797 } 1798 } 1799 sc->sc_rxptr = 0; 1800 1801 /* 1802 * Initialize the interrupt mask and enable interrupts. 1803 */ 1804 /* normal interrupts */ 1805 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1806 1807 /* abnormal interrupts */ 1808 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1809 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1810 1811 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1812 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1813 1814 switch (sc->sc_chip) { 1815 case TULIP_CHIP_WB89C840F: 1816 /* 1817 * Clear bits that we don't want that happen to 1818 * overlap or don't exist. 1819 */ 1820 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1821 break; 1822 1823 default: 1824 /* Nothing. */ 1825 break; 1826 } 1827 1828 sc->sc_rxint_mask &= sc->sc_inten; 1829 sc->sc_txint_mask &= sc->sc_inten; 1830 1831 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1832 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1833 1834 /* 1835 * Give the transmit and receive rings to the Tulip. 1836 */ 1837 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1838 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1839 1840 /* 1841 * On chips that do this differently, set the station address. 1842 */ 1843 switch (sc->sc_chip) { 1844 case TULIP_CHIP_WB89C840F: 1845 { 1846 /* XXX Do this with stream writes? */ 1847 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1848 1849 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1850 bus_space_write_1(sc->sc_st, sc->sc_sh, 1851 cpa + i, LLADDR(ifp->if_sadl)[i]); 1852 } 1853 break; 1854 } 1855 1856 case TULIP_CHIP_AL981: 1857 case TULIP_CHIP_AN983: 1858 case TULIP_CHIP_AN985: 1859 { 1860 u_int32_t reg; 1861 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1862 1863 reg = enaddr[0] | 1864 (enaddr[1] << 8) | 1865 (enaddr[2] << 16) | 1866 (enaddr[3] << 24); 1867 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1868 1869 reg = enaddr[4] | 1870 (enaddr[5] << 8); 1871 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1872 } 1873 1874 default: 1875 /* Nothing. */ 1876 break; 1877 } 1878 1879 /* 1880 * Set the receive filter. This will start the transmit and 1881 * receive processes. 1882 */ 1883 (*sc->sc_filter_setup)(sc); 1884 1885 /* 1886 * Set the current media. 1887 */ 1888 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1889 1890 /* 1891 * Start the receive process. 1892 */ 1893 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1894 1895 if (sc->sc_tick != NULL) { 1896 /* Start the one second clock. */ 1897 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1898 } 1899 1900 /* 1901 * Note that the interface is now running. 1902 */ 1903 ifp->if_flags |= IFF_RUNNING; 1904 ifp->if_flags &= ~IFF_OACTIVE; 1905 1906 out: 1907 if (error) { 1908 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1909 ifp->if_timer = 0; 1910 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1911 } 1912 return (error); 1913 } 1914 1915 /* 1916 * tlp_enable: 1917 * 1918 * Enable the Tulip chip. 1919 */ 1920 int 1921 tlp_enable(sc) 1922 struct tulip_softc *sc; 1923 { 1924 1925 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1926 if ((*sc->sc_enable)(sc) != 0) { 1927 printf("%s: device enable failed\n", 1928 sc->sc_dev.dv_xname); 1929 return (EIO); 1930 } 1931 sc->sc_flags |= TULIPF_ENABLED; 1932 } 1933 return (0); 1934 } 1935 1936 /* 1937 * tlp_disable: 1938 * 1939 * Disable the Tulip chip. 1940 */ 1941 void 1942 tlp_disable(sc) 1943 struct tulip_softc *sc; 1944 { 1945 1946 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1947 (*sc->sc_disable)(sc); 1948 sc->sc_flags &= ~TULIPF_ENABLED; 1949 } 1950 } 1951 1952 /* 1953 * tlp_power: 1954 * 1955 * Power management (suspend/resume) hook. 1956 */ 1957 void 1958 tlp_power(why, arg) 1959 int why; 1960 void *arg; 1961 { 1962 struct tulip_softc *sc = arg; 1963 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1964 int s; 1965 1966 s = splnet(); 1967 switch (why) { 1968 case PWR_SUSPEND: 1969 case PWR_STANDBY: 1970 tlp_stop(ifp, 0); 1971 if (sc->sc_power != NULL) 1972 (*sc->sc_power)(sc, why); 1973 break; 1974 case PWR_RESUME: 1975 if (ifp->if_flags & IFF_UP) { 1976 if (sc->sc_power != NULL) 1977 (*sc->sc_power)(sc, why); 1978 tlp_init(ifp); 1979 } 1980 break; 1981 case PWR_SOFTSUSPEND: 1982 case PWR_SOFTSTANDBY: 1983 case PWR_SOFTRESUME: 1984 break; 1985 } 1986 splx(s); 1987 } 1988 1989 /* 1990 * tlp_rxdrain: 1991 * 1992 * Drain the receive queue. 1993 */ 1994 void 1995 tlp_rxdrain(sc) 1996 struct tulip_softc *sc; 1997 { 1998 struct tulip_rxsoft *rxs; 1999 int i; 2000 2001 for (i = 0; i < TULIP_NRXDESC; i++) { 2002 rxs = &sc->sc_rxsoft[i]; 2003 if (rxs->rxs_mbuf != NULL) { 2004 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2005 m_freem(rxs->rxs_mbuf); 2006 rxs->rxs_mbuf = NULL; 2007 } 2008 } 2009 } 2010 2011 /* 2012 * tlp_stop: [ ifnet interface function ] 2013 * 2014 * Stop transmission on the interface. 2015 */ 2016 void 2017 tlp_stop(ifp, disable) 2018 struct ifnet *ifp; 2019 int disable; 2020 { 2021 struct tulip_softc *sc = ifp->if_softc; 2022 struct tulip_txsoft *txs; 2023 2024 if (sc->sc_tick != NULL) { 2025 /* Stop the one second clock. */ 2026 callout_stop(&sc->sc_tick_callout); 2027 } 2028 2029 if (sc->sc_flags & TULIPF_HAS_MII) { 2030 /* Down the MII. */ 2031 mii_down(&sc->sc_mii); 2032 } 2033 2034 /* Disable interrupts. */ 2035 TULIP_WRITE(sc, CSR_INTEN, 0); 2036 2037 /* Stop the transmit and receive processes. */ 2038 sc->sc_opmode = 0; 2039 TULIP_WRITE(sc, CSR_OPMODE, 0); 2040 TULIP_WRITE(sc, CSR_RXLIST, 0); 2041 TULIP_WRITE(sc, CSR_TXLIST, 0); 2042 2043 /* 2044 * Release any queued transmit buffers. 2045 */ 2046 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2047 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2048 if (txs->txs_mbuf != NULL) { 2049 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2050 m_freem(txs->txs_mbuf); 2051 txs->txs_mbuf = NULL; 2052 } 2053 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2054 } 2055 2056 if (disable) { 2057 tlp_rxdrain(sc); 2058 tlp_disable(sc); 2059 } 2060 2061 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2062 2063 /* 2064 * Mark the interface down and cancel the watchdog timer. 2065 */ 2066 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2067 ifp->if_timer = 0; 2068 } 2069 2070 #define SROM_EMIT(sc, x) \ 2071 do { \ 2072 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2073 delay(2); \ 2074 } while (0) 2075 2076 /* 2077 * tlp_srom_idle: 2078 * 2079 * Put the SROM in idle state. 2080 */ 2081 void 2082 tlp_srom_idle(sc) 2083 struct tulip_softc *sc; 2084 { 2085 u_int32_t miirom; 2086 int i; 2087 2088 miirom = MIIROM_SR; 2089 SROM_EMIT(sc, miirom); 2090 2091 miirom |= MIIROM_RD; 2092 SROM_EMIT(sc, miirom); 2093 2094 miirom |= MIIROM_SROMCS; 2095 SROM_EMIT(sc, miirom); 2096 2097 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2098 2099 /* Strobe the clock 32 times. */ 2100 for (i = 0; i < 32; i++) { 2101 SROM_EMIT(sc, miirom); 2102 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2103 } 2104 2105 SROM_EMIT(sc, miirom); 2106 2107 miirom &= ~MIIROM_SROMCS; 2108 SROM_EMIT(sc, miirom); 2109 2110 SROM_EMIT(sc, 0); 2111 } 2112 2113 /* 2114 * tlp_srom_size: 2115 * 2116 * Determine the number of address bits in the SROM. 2117 */ 2118 int 2119 tlp_srom_size(sc) 2120 struct tulip_softc *sc; 2121 { 2122 u_int32_t miirom; 2123 int x; 2124 2125 /* Select the SROM. */ 2126 miirom = MIIROM_SR; 2127 SROM_EMIT(sc, miirom); 2128 2129 miirom |= MIIROM_RD; 2130 SROM_EMIT(sc, miirom); 2131 2132 /* Send CHIP SELECT for one clock tick. */ 2133 miirom |= MIIROM_SROMCS; 2134 SROM_EMIT(sc, miirom); 2135 2136 /* Shift in the READ opcode. */ 2137 for (x = 3; x > 0; x--) { 2138 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2139 miirom |= MIIROM_SROMDI; 2140 else 2141 miirom &= ~MIIROM_SROMDI; 2142 SROM_EMIT(sc, miirom); 2143 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2144 SROM_EMIT(sc, miirom); 2145 } 2146 2147 /* Shift in address and look for dummy 0 bit. */ 2148 for (x = 1; x <= 12; x++) { 2149 miirom &= ~MIIROM_SROMDI; 2150 SROM_EMIT(sc, miirom); 2151 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2152 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2153 break; 2154 SROM_EMIT(sc, miirom); 2155 } 2156 2157 /* Clear CHIP SELECT. */ 2158 miirom &= ~MIIROM_SROMCS; 2159 SROM_EMIT(sc, miirom); 2160 2161 /* Deselect the SROM. */ 2162 SROM_EMIT(sc, 0); 2163 2164 if (x < 4 || x > 12) { 2165 printf("%s: broken MicroWire interface detected; " 2166 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2167 return (6); 2168 } else { 2169 if (tlp_srom_debug) 2170 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2171 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2172 return (x); 2173 } 2174 } 2175 2176 /* 2177 * tlp_read_srom: 2178 * 2179 * Read the Tulip SROM. 2180 */ 2181 int 2182 tlp_read_srom(sc) 2183 struct tulip_softc *sc; 2184 { 2185 int size; 2186 u_int32_t miirom; 2187 u_int16_t datain; 2188 int i, x; 2189 2190 tlp_srom_idle(sc); 2191 2192 sc->sc_srom_addrbits = tlp_srom_size(sc); 2193 if (sc->sc_srom_addrbits == 0) 2194 return (0); 2195 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2196 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2197 2198 /* Select the SROM. */ 2199 miirom = MIIROM_SR; 2200 SROM_EMIT(sc, miirom); 2201 2202 miirom |= MIIROM_RD; 2203 SROM_EMIT(sc, miirom); 2204 2205 for (i = 0; i < size; i += 2) { 2206 /* Send CHIP SELECT for one clock tick. */ 2207 miirom |= MIIROM_SROMCS; 2208 SROM_EMIT(sc, miirom); 2209 2210 /* Shift in the READ opcode. */ 2211 for (x = 3; x > 0; x--) { 2212 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2213 miirom |= MIIROM_SROMDI; 2214 else 2215 miirom &= ~MIIROM_SROMDI; 2216 SROM_EMIT(sc, miirom); 2217 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2218 SROM_EMIT(sc, miirom); 2219 } 2220 2221 /* Shift in address. */ 2222 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2223 if (i & (1 << x)) 2224 miirom |= MIIROM_SROMDI; 2225 else 2226 miirom &= ~MIIROM_SROMDI; 2227 SROM_EMIT(sc, miirom); 2228 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2229 SROM_EMIT(sc, miirom); 2230 } 2231 2232 /* Shift out data. */ 2233 miirom &= ~MIIROM_SROMDI; 2234 datain = 0; 2235 for (x = 16; x > 0; x--) { 2236 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2237 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2238 datain |= (1 << (x - 1)); 2239 SROM_EMIT(sc, miirom); 2240 } 2241 sc->sc_srom[i] = datain & 0xff; 2242 sc->sc_srom[i + 1] = datain >> 8; 2243 2244 /* Clear CHIP SELECT. */ 2245 miirom &= ~MIIROM_SROMCS; 2246 SROM_EMIT(sc, miirom); 2247 } 2248 2249 /* Deselect the SROM. */ 2250 SROM_EMIT(sc, 0); 2251 2252 /* ...and idle it. */ 2253 tlp_srom_idle(sc); 2254 2255 if (tlp_srom_debug) { 2256 printf("SROM CONTENTS:"); 2257 for (i = 0; i < size; i++) { 2258 if ((i % 8) == 0) 2259 printf("\n\t"); 2260 printf("0x%02x ", sc->sc_srom[i]); 2261 } 2262 printf("\n"); 2263 } 2264 2265 return (1); 2266 } 2267 2268 #undef SROM_EMIT 2269 2270 /* 2271 * tlp_add_rxbuf: 2272 * 2273 * Add a receive buffer to the indicated descriptor. 2274 */ 2275 int 2276 tlp_add_rxbuf(sc, idx) 2277 struct tulip_softc *sc; 2278 int idx; 2279 { 2280 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2281 struct mbuf *m; 2282 int error; 2283 2284 MGETHDR(m, M_DONTWAIT, MT_DATA); 2285 if (m == NULL) 2286 return (ENOBUFS); 2287 2288 MCLGET(m, M_DONTWAIT); 2289 if ((m->m_flags & M_EXT) == 0) { 2290 m_freem(m); 2291 return (ENOBUFS); 2292 } 2293 2294 if (rxs->rxs_mbuf != NULL) 2295 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2296 2297 rxs->rxs_mbuf = m; 2298 2299 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2300 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2301 if (error) { 2302 printf("%s: can't load rx DMA map %d, error = %d\n", 2303 sc->sc_dev.dv_xname, idx, error); 2304 panic("tlp_add_rxbuf"); /* XXX */ 2305 } 2306 2307 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2308 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2309 2310 TULIP_INIT_RXDESC(sc, idx); 2311 2312 return (0); 2313 } 2314 2315 /* 2316 * tlp_srom_crcok: 2317 * 2318 * Check the CRC of the Tulip SROM. 2319 */ 2320 int 2321 tlp_srom_crcok(romdata) 2322 const u_int8_t *romdata; 2323 { 2324 u_int32_t crc; 2325 2326 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2327 crc = (crc & 0xffff) ^ 0xffff; 2328 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2329 return (1); 2330 2331 /* 2332 * Try an alternate checksum. 2333 */ 2334 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2335 crc = (crc & 0xffff) ^ 0xffff; 2336 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2337 return (1); 2338 2339 return (0); 2340 } 2341 2342 /* 2343 * tlp_isv_srom: 2344 * 2345 * Check to see if the SROM is in the new standardized format. 2346 */ 2347 int 2348 tlp_isv_srom(romdata) 2349 const u_int8_t *romdata; 2350 { 2351 int i; 2352 u_int16_t cksum; 2353 2354 if (tlp_srom_crcok(romdata)) { 2355 /* 2356 * SROM CRC checks out; must be in the new format. 2357 */ 2358 return (1); 2359 } 2360 2361 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2362 if (cksum == 0xffff || cksum == 0) { 2363 /* 2364 * No checksum present. Check the SROM ID; 18 bytes of 0 2365 * followed by 1 (version) followed by the number of 2366 * adapters which use this SROM (should be non-zero). 2367 */ 2368 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2369 if (romdata[i] != 0) 2370 return (0); 2371 } 2372 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2373 return (0); 2374 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2375 return (0); 2376 return (1); 2377 } 2378 2379 return (0); 2380 } 2381 2382 /* 2383 * tlp_isv_srom_enaddr: 2384 * 2385 * Get the Ethernet address from an ISV SROM. 2386 */ 2387 int 2388 tlp_isv_srom_enaddr(sc, enaddr) 2389 struct tulip_softc *sc; 2390 u_int8_t *enaddr; 2391 { 2392 int i, devcnt; 2393 2394 if (tlp_isv_srom(sc->sc_srom) == 0) 2395 return (0); 2396 2397 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2398 for (i = 0; i < devcnt; i++) { 2399 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2400 break; 2401 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2402 sc->sc_devno) 2403 break; 2404 } 2405 2406 if (i == devcnt) 2407 return (0); 2408 2409 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2410 ETHER_ADDR_LEN); 2411 enaddr[5] += i; 2412 2413 return (1); 2414 } 2415 2416 /* 2417 * tlp_parse_old_srom: 2418 * 2419 * Parse old-format SROMs. 2420 * 2421 * This routine is largely lifted from Matt Thomas's `de' driver. 2422 */ 2423 int 2424 tlp_parse_old_srom(sc, enaddr) 2425 struct tulip_softc *sc; 2426 u_int8_t *enaddr; 2427 { 2428 static const u_int8_t testpat[] = 2429 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2430 int i; 2431 u_int32_t cksum; 2432 2433 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2434 /* 2435 * Some vendors (e.g. ZNYX) don't use the standard 2436 * DEC Address ROM format, but rather just have an 2437 * Ethernet address in the first 6 bytes, maybe a 2438 * 2 byte checksum, and then all 0xff's. 2439 * 2440 * On the other hand, Cobalt Networks interfaces 2441 * simply have the address in the first six bytes 2442 * with the rest zeroed out. 2443 */ 2444 for (i = 8; i < 32; i++) { 2445 if (sc->sc_srom[i] != 0xff && 2446 sc->sc_srom[i] != 0) 2447 return (0); 2448 } 2449 2450 /* 2451 * Sanity check the Ethernet address: 2452 * 2453 * - Make sure it's not multicast or locally 2454 * assigned 2455 * - Make sure it has a non-0 OUI 2456 */ 2457 if (sc->sc_srom[0] & 3) 2458 return (0); 2459 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2460 sc->sc_srom[2] == 0) 2461 return (0); 2462 2463 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2464 return (1); 2465 } 2466 2467 /* 2468 * Standard DEC Address ROM test. 2469 */ 2470 2471 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2472 return (0); 2473 2474 for (i = 0; i < 8; i++) { 2475 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2476 return (0); 2477 } 2478 2479 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2480 2481 cksum = *(u_int16_t *) &enaddr[0]; 2482 2483 cksum <<= 1; 2484 if (cksum > 0xffff) 2485 cksum -= 0xffff; 2486 2487 cksum += *(u_int16_t *) &enaddr[2]; 2488 if (cksum > 0xffff) 2489 cksum -= 0xffff; 2490 2491 cksum <<= 1; 2492 if (cksum > 0xffff) 2493 cksum -= 0xffff; 2494 2495 cksum += *(u_int16_t *) &enaddr[4]; 2496 if (cksum >= 0xffff) 2497 cksum -= 0xffff; 2498 2499 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2500 return (0); 2501 2502 return (1); 2503 } 2504 2505 /* 2506 * tlp_filter_setup: 2507 * 2508 * Set the Tulip's receive filter. 2509 */ 2510 void 2511 tlp_filter_setup(sc) 2512 struct tulip_softc *sc; 2513 { 2514 struct ethercom *ec = &sc->sc_ethercom; 2515 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2516 struct ether_multi *enm; 2517 struct ether_multistep step; 2518 __volatile u_int32_t *sp; 2519 struct tulip_txsoft *txs; 2520 u_int8_t enaddr[ETHER_ADDR_LEN]; 2521 u_int32_t hash, hashsize; 2522 int cnt; 2523 2524 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2525 sc->sc_dev.dv_xname, sc->sc_flags)); 2526 2527 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2528 2529 /* 2530 * If there are transmissions pending, wait until they have 2531 * completed. 2532 */ 2533 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2534 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2535 sc->sc_flags |= TULIPF_WANT_SETUP; 2536 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2537 sc->sc_dev.dv_xname)); 2538 return; 2539 } 2540 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2541 2542 switch (sc->sc_chip) { 2543 case TULIP_CHIP_82C115: 2544 hashsize = TULIP_PNICII_HASHSIZE; 2545 break; 2546 2547 default: 2548 hashsize = TULIP_MCHASHSIZE; 2549 } 2550 2551 /* 2552 * If we're running, idle the transmit and receive engines. If 2553 * we're NOT running, we're being called from tlp_init(), and our 2554 * writing OPMODE will start the transmit and receive processes 2555 * in motion. 2556 */ 2557 if (ifp->if_flags & IFF_RUNNING) 2558 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2559 2560 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2561 2562 if (ifp->if_flags & IFF_PROMISC) { 2563 sc->sc_opmode |= OPMODE_PR; 2564 goto allmulti; 2565 } 2566 2567 /* 2568 * Try Perfect filtering first. 2569 */ 2570 2571 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2572 sp = TULIP_CDSP(sc); 2573 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2574 cnt = 0; 2575 ETHER_FIRST_MULTI(step, ec, enm); 2576 while (enm != NULL) { 2577 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2578 /* 2579 * We must listen to a range of multicast addresses. 2580 * For now, just accept all multicasts, rather than 2581 * trying to set only those filter bits needed to match 2582 * the range. (At this time, the only use of address 2583 * ranges is for IP multicast routing, for which the 2584 * range is big enough to require all bits set.) 2585 */ 2586 goto allmulti; 2587 } 2588 if (cnt == (TULIP_MAXADDRS - 2)) { 2589 /* 2590 * We already have our multicast limit (still need 2591 * our station address and broadcast). Go to 2592 * Hash-Perfect mode. 2593 */ 2594 goto hashperfect; 2595 } 2596 cnt++; 2597 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2598 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2599 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2600 ETHER_NEXT_MULTI(step, enm); 2601 } 2602 2603 if (ifp->if_flags & IFF_BROADCAST) { 2604 /* ...and the broadcast address. */ 2605 cnt++; 2606 *sp++ = TULIP_SP_FIELD_C(0xffff); 2607 *sp++ = TULIP_SP_FIELD_C(0xffff); 2608 *sp++ = TULIP_SP_FIELD_C(0xffff); 2609 } 2610 2611 /* Pad the rest with our station address. */ 2612 for (; cnt < TULIP_MAXADDRS; cnt++) { 2613 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2614 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2615 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2616 } 2617 ifp->if_flags &= ~IFF_ALLMULTI; 2618 goto setit; 2619 2620 hashperfect: 2621 /* 2622 * Try Hash-Perfect mode. 2623 */ 2624 2625 /* 2626 * Some 21140 chips have broken Hash-Perfect modes. On these 2627 * chips, we simply use Hash-Only mode, and put our station 2628 * address into the filter. 2629 */ 2630 if (sc->sc_chip == TULIP_CHIP_21140) 2631 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2632 else 2633 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2634 sp = TULIP_CDSP(sc); 2635 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2636 ETHER_FIRST_MULTI(step, ec, enm); 2637 while (enm != NULL) { 2638 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2639 /* 2640 * We must listen to a range of multicast addresses. 2641 * For now, just accept all multicasts, rather than 2642 * trying to set only those filter bits needed to match 2643 * the range. (At this time, the only use of address 2644 * ranges is for IP multicast routing, for which the 2645 * range is big enough to require all bits set.) 2646 */ 2647 goto allmulti; 2648 } 2649 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2650 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2651 ETHER_NEXT_MULTI(step, enm); 2652 } 2653 2654 if (ifp->if_flags & IFF_BROADCAST) { 2655 /* ...and the broadcast address. */ 2656 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2657 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2658 } 2659 2660 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2661 /* ...and our station address. */ 2662 hash = tlp_mchash(enaddr, hashsize); 2663 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2664 } else { 2665 /* 2666 * Hash-Perfect mode; put our station address after 2667 * the hash table. 2668 */ 2669 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2670 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2671 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2672 } 2673 ifp->if_flags &= ~IFF_ALLMULTI; 2674 goto setit; 2675 2676 allmulti: 2677 /* 2678 * Use Perfect filter mode. First address is the broadcast address, 2679 * and pad the rest with our station address. We'll set Pass-all- 2680 * multicast in OPMODE below. 2681 */ 2682 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2683 sp = TULIP_CDSP(sc); 2684 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2685 cnt = 0; 2686 if (ifp->if_flags & IFF_BROADCAST) { 2687 cnt++; 2688 *sp++ = TULIP_SP_FIELD_C(0xffff); 2689 *sp++ = TULIP_SP_FIELD_C(0xffff); 2690 *sp++ = TULIP_SP_FIELD_C(0xffff); 2691 } 2692 for (; cnt < TULIP_MAXADDRS; cnt++) { 2693 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2694 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2695 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2696 } 2697 ifp->if_flags |= IFF_ALLMULTI; 2698 2699 setit: 2700 if (ifp->if_flags & IFF_ALLMULTI) 2701 sc->sc_opmode |= OPMODE_PM; 2702 2703 /* Sync the setup packet buffer. */ 2704 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2705 2706 /* 2707 * Fill in the setup packet descriptor. 2708 */ 2709 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2710 2711 txs->txs_firstdesc = sc->sc_txnext; 2712 txs->txs_lastdesc = sc->sc_txnext; 2713 txs->txs_ndescs = 1; 2714 txs->txs_mbuf = NULL; 2715 2716 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2717 htole32(TULIP_CDSPADDR(sc)); 2718 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2719 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2720 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2721 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2722 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2723 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2724 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2725 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2726 2727 /* Advance the tx pointer. */ 2728 sc->sc_txfree -= 1; 2729 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2730 2731 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2732 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2733 2734 /* 2735 * Set the OPMODE register. This will also resume the 2736 * transmit transmit process we idled above. 2737 */ 2738 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2739 2740 sc->sc_flags |= TULIPF_DOING_SETUP; 2741 2742 /* 2743 * Kick the transmitter; this will cause the Tulip to 2744 * read the setup descriptor. 2745 */ 2746 /* XXX USE AUTOPOLLING? */ 2747 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2748 2749 /* Set up a watchdog timer in case the chip flakes out. */ 2750 ifp->if_timer = 5; 2751 2752 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2753 } 2754 2755 /* 2756 * tlp_winb_filter_setup: 2757 * 2758 * Set the Winbond 89C840F's receive filter. 2759 */ 2760 void 2761 tlp_winb_filter_setup(sc) 2762 struct tulip_softc *sc; 2763 { 2764 struct ethercom *ec = &sc->sc_ethercom; 2765 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2766 struct ether_multi *enm; 2767 struct ether_multistep step; 2768 u_int32_t hash, mchash[2]; 2769 2770 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2771 sc->sc_dev.dv_xname, sc->sc_flags)); 2772 2773 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2774 2775 if (ifp->if_flags & IFF_MULTICAST) 2776 sc->sc_opmode |= OPMODE_WINB_AMP; 2777 2778 if (ifp->if_flags & IFF_BROADCAST) 2779 sc->sc_opmode |= OPMODE_WINB_ABP; 2780 2781 if (ifp->if_flags & IFF_PROMISC) { 2782 sc->sc_opmode |= OPMODE_WINB_APP; 2783 goto allmulti; 2784 } 2785 2786 mchash[0] = mchash[1] = 0; 2787 2788 ETHER_FIRST_MULTI(step, ec, enm); 2789 while (enm != NULL) { 2790 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2791 /* 2792 * We must listen to a range of multicast addresses. 2793 * For now, just accept all multicasts, rather than 2794 * trying to set only those filter bits needed to match 2795 * the range. (At this time, the only use of address 2796 * ranges is for IP multicast routing, for which the 2797 * range is big enough to require all bits set.) 2798 */ 2799 goto allmulti; 2800 } 2801 2802 /* 2803 * According to the FreeBSD `wb' driver, yes, you 2804 * really do invert the hash. 2805 */ 2806 hash = 2807 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2808 & 0x3f; 2809 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2810 ETHER_NEXT_MULTI(step, enm); 2811 } 2812 ifp->if_flags &= ~IFF_ALLMULTI; 2813 goto setit; 2814 2815 allmulti: 2816 ifp->if_flags |= IFF_ALLMULTI; 2817 mchash[0] = mchash[1] = 0xffffffff; 2818 2819 setit: 2820 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2821 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2822 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2823 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2824 sc->sc_dev.dv_xname)); 2825 } 2826 2827 /* 2828 * tlp_al981_filter_setup: 2829 * 2830 * Set the ADMtek AL981's receive filter. 2831 */ 2832 void 2833 tlp_al981_filter_setup(sc) 2834 struct tulip_softc *sc; 2835 { 2836 struct ethercom *ec = &sc->sc_ethercom; 2837 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2838 struct ether_multi *enm; 2839 struct ether_multistep step; 2840 u_int32_t hash, mchash[2]; 2841 2842 /* 2843 * If the chip is running, we need to reset the interface, 2844 * and will revisit here (with IFF_RUNNING) clear. The 2845 * chip seems to really not like to have its multicast 2846 * filter programmed without a reset. 2847 */ 2848 if (ifp->if_flags & IFF_RUNNING) { 2849 (void) tlp_init(ifp); 2850 return; 2851 } 2852 2853 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2854 sc->sc_dev.dv_xname, sc->sc_flags)); 2855 2856 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2857 2858 if (ifp->if_flags & IFF_PROMISC) { 2859 sc->sc_opmode |= OPMODE_PR; 2860 goto allmulti; 2861 } 2862 2863 mchash[0] = mchash[1] = 0; 2864 2865 ETHER_FIRST_MULTI(step, ec, enm); 2866 while (enm != NULL) { 2867 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2868 /* 2869 * We must listen to a range of multicast addresses. 2870 * For now, just accept all multicasts, rather than 2871 * trying to set only those filter bits needed to match 2872 * the range. (At this time, the only use of address 2873 * ranges is for IP multicast routing, for which the 2874 * range is big enough to require all bits set.) 2875 */ 2876 goto allmulti; 2877 } 2878 2879 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2880 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2881 ETHER_NEXT_MULTI(step, enm); 2882 } 2883 ifp->if_flags &= ~IFF_ALLMULTI; 2884 goto setit; 2885 2886 allmulti: 2887 ifp->if_flags |= IFF_ALLMULTI; 2888 mchash[0] = mchash[1] = 0xffffffff; 2889 2890 setit: 2891 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2892 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2893 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2894 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2895 sc->sc_dev.dv_xname)); 2896 } 2897 2898 /* 2899 * tlp_idle: 2900 * 2901 * Cause the transmit and/or receive processes to go idle. 2902 */ 2903 void 2904 tlp_idle(sc, bits) 2905 struct tulip_softc *sc; 2906 u_int32_t bits; 2907 { 2908 static const char * const tlp_tx_state_names[] = { 2909 "STOPPED", 2910 "RUNNING - FETCH", 2911 "RUNNING - WAIT", 2912 "RUNNING - READING", 2913 "-- RESERVED --", 2914 "RUNNING - SETUP", 2915 "SUSPENDED", 2916 "RUNNING - CLOSE", 2917 }; 2918 static const char * const tlp_rx_state_names[] = { 2919 "STOPPED", 2920 "RUNNING - FETCH", 2921 "RUNNING - CHECK", 2922 "RUNNING - WAIT", 2923 "SUSPENDED", 2924 "RUNNING - CLOSE", 2925 "RUNNING - FLUSH", 2926 "RUNNING - QUEUE", 2927 }; 2928 static const char * const dm9102_tx_state_names[] = { 2929 "STOPPED", 2930 "RUNNING - FETCH", 2931 "RUNNING - SETUP", 2932 "RUNNING - READING", 2933 "RUNNING - CLOSE - CLEAR OWNER", 2934 "RUNNING - WAIT", 2935 "RUNNING - CLOSE - WRITE STATUS", 2936 "SUSPENDED", 2937 }; 2938 static const char * const dm9102_rx_state_names[] = { 2939 "STOPPED", 2940 "RUNNING - FETCH", 2941 "RUNNING - WAIT", 2942 "RUNNING - QUEUE", 2943 "RUNNING - CLOSE - CLEAR OWNER", 2944 "RUNNING - CLOSE - WRITE STATUS", 2945 "SUSPENDED", 2946 "RUNNING - FLUSH", 2947 }; 2948 2949 const char * const *tx_state_names, * const *rx_state_names; 2950 u_int32_t csr, ackmask = 0; 2951 int i; 2952 2953 switch (sc->sc_chip) { 2954 case TULIP_CHIP_DM9102: 2955 case TULIP_CHIP_DM9102A: 2956 tx_state_names = dm9102_tx_state_names; 2957 rx_state_names = dm9102_rx_state_names; 2958 break; 2959 2960 default: 2961 tx_state_names = tlp_tx_state_names; 2962 rx_state_names = tlp_rx_state_names; 2963 break; 2964 } 2965 2966 if (bits & OPMODE_ST) 2967 ackmask |= STATUS_TPS; 2968 2969 if (bits & OPMODE_SR) 2970 ackmask |= STATUS_RPS; 2971 2972 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2973 2974 for (i = 0; i < 1000; i++) { 2975 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2976 break; 2977 delay(10); 2978 } 2979 2980 csr = TULIP_READ(sc, CSR_STATUS); 2981 if ((csr & ackmask) != ackmask) { 2982 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2983 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 2984 printf("%s: transmit process failed to idle: " 2985 "state %s\n", sc->sc_dev.dv_xname, 2986 tx_state_names[(csr & STATUS_TS) >> 20]); 2987 } 2988 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2989 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 2990 switch (sc->sc_chip) { 2991 case TULIP_CHIP_AN983: 2992 case TULIP_CHIP_AN985: 2993 /* 2994 * Filter the message out on noisy chips. 2995 */ 2996 break; 2997 default: 2998 printf("%s: receive process failed to idle: " 2999 "state %s\n", sc->sc_dev.dv_xname, 3000 rx_state_names[(csr & STATUS_RS) >> 17]); 3001 } 3002 } 3003 } 3004 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3005 } 3006 3007 /***************************************************************************** 3008 * Generic media support functions. 3009 *****************************************************************************/ 3010 3011 /* 3012 * tlp_mediastatus: [ifmedia interface function] 3013 * 3014 * Query the current media. 3015 */ 3016 void 3017 tlp_mediastatus(ifp, ifmr) 3018 struct ifnet *ifp; 3019 struct ifmediareq *ifmr; 3020 { 3021 struct tulip_softc *sc = ifp->if_softc; 3022 3023 if (TULIP_IS_ENABLED(sc) == 0) { 3024 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3025 ifmr->ifm_status = 0; 3026 return; 3027 } 3028 3029 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3030 } 3031 3032 /* 3033 * tlp_mediachange: [ifmedia interface function] 3034 * 3035 * Update the current media. 3036 */ 3037 int 3038 tlp_mediachange(ifp) 3039 struct ifnet *ifp; 3040 { 3041 struct tulip_softc *sc = ifp->if_softc; 3042 3043 if ((ifp->if_flags & IFF_UP) == 0) 3044 return (0); 3045 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3046 } 3047 3048 /***************************************************************************** 3049 * Support functions for MII-attached media. 3050 *****************************************************************************/ 3051 3052 /* 3053 * tlp_mii_tick: 3054 * 3055 * One second timer, used to tick the MII. 3056 */ 3057 void 3058 tlp_mii_tick(arg) 3059 void *arg; 3060 { 3061 struct tulip_softc *sc = arg; 3062 int s; 3063 3064 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3065 return; 3066 3067 s = splnet(); 3068 mii_tick(&sc->sc_mii); 3069 splx(s); 3070 3071 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3072 } 3073 3074 /* 3075 * tlp_mii_statchg: [mii interface function] 3076 * 3077 * Callback from PHY when media changes. 3078 */ 3079 void 3080 tlp_mii_statchg(self) 3081 struct device *self; 3082 { 3083 struct tulip_softc *sc = (struct tulip_softc *)self; 3084 3085 /* Idle the transmit and receive processes. */ 3086 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3087 3088 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3089 3090 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3091 sc->sc_opmode |= OPMODE_TTM; 3092 else 3093 sc->sc_opmode |= OPMODE_HBD; 3094 3095 if (sc->sc_mii.mii_media_active & IFM_FDX) 3096 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3097 3098 /* 3099 * Write new OPMODE bits. This also restarts the transmit 3100 * and receive processes. 3101 */ 3102 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3103 } 3104 3105 /* 3106 * tlp_winb_mii_statchg: [mii interface function] 3107 * 3108 * Callback from PHY when media changes. This version is 3109 * for the Winbond 89C840F, which has different OPMODE bits. 3110 */ 3111 void 3112 tlp_winb_mii_statchg(self) 3113 struct device *self; 3114 { 3115 struct tulip_softc *sc = (struct tulip_softc *)self; 3116 3117 /* Idle the transmit and receive processes. */ 3118 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3119 3120 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3121 3122 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3123 sc->sc_opmode |= OPMODE_WINB_FES; 3124 3125 if (sc->sc_mii.mii_media_active & IFM_FDX) 3126 sc->sc_opmode |= OPMODE_FD; 3127 3128 /* 3129 * Write new OPMODE bits. This also restarts the transmit 3130 * and receive processes. 3131 */ 3132 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3133 } 3134 3135 /* 3136 * tlp_dm9102_mii_statchg: [mii interface function] 3137 * 3138 * Callback from PHY when media changes. This version is 3139 * for the DM9102. 3140 */ 3141 void 3142 tlp_dm9102_mii_statchg(self) 3143 struct device *self; 3144 { 3145 struct tulip_softc *sc = (struct tulip_softc *)self; 3146 3147 /* 3148 * Don't idle the transmit and receive processes, here. It 3149 * seems to fail, and just causes excess noise. 3150 */ 3151 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3152 3153 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3154 sc->sc_opmode |= OPMODE_TTM; 3155 3156 if (sc->sc_mii.mii_media_active & IFM_FDX) 3157 sc->sc_opmode |= OPMODE_FD; 3158 3159 /* 3160 * Write new OPMODE bits. 3161 */ 3162 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3163 } 3164 3165 /* 3166 * tlp_mii_getmedia: 3167 * 3168 * Callback from ifmedia to request current media status. 3169 */ 3170 void 3171 tlp_mii_getmedia(sc, ifmr) 3172 struct tulip_softc *sc; 3173 struct ifmediareq *ifmr; 3174 { 3175 3176 mii_pollstat(&sc->sc_mii); 3177 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3178 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3179 } 3180 3181 /* 3182 * tlp_mii_setmedia: 3183 * 3184 * Callback from ifmedia to request new media setting. 3185 */ 3186 int 3187 tlp_mii_setmedia(sc) 3188 struct tulip_softc *sc; 3189 { 3190 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3191 3192 if (ifp->if_flags & IFF_UP) { 3193 switch (sc->sc_chip) { 3194 case TULIP_CHIP_21142: 3195 case TULIP_CHIP_21143: 3196 /* Disable the internal Nway engine. */ 3197 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3198 break; 3199 3200 default: 3201 /* Nothing. */ 3202 break; 3203 } 3204 mii_mediachg(&sc->sc_mii); 3205 } 3206 return (0); 3207 } 3208 3209 /* 3210 * tlp_bitbang_mii_readreg: 3211 * 3212 * Read a PHY register via bit-bang'ing the MII. 3213 */ 3214 int 3215 tlp_bitbang_mii_readreg(self, phy, reg) 3216 struct device *self; 3217 int phy, reg; 3218 { 3219 struct tulip_softc *sc = (void *) self; 3220 3221 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3222 } 3223 3224 /* 3225 * tlp_bitbang_mii_writereg: 3226 * 3227 * Write a PHY register via bit-bang'ing the MII. 3228 */ 3229 void 3230 tlp_bitbang_mii_writereg(self, phy, reg, val) 3231 struct device *self; 3232 int phy, reg, val; 3233 { 3234 struct tulip_softc *sc = (void *) self; 3235 3236 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3237 } 3238 3239 /* 3240 * tlp_sio_mii_bitbang_read: 3241 * 3242 * Read the MII serial port for the MII bit-bang module. 3243 */ 3244 u_int32_t 3245 tlp_sio_mii_bitbang_read(self) 3246 struct device *self; 3247 { 3248 struct tulip_softc *sc = (void *) self; 3249 3250 return (TULIP_READ(sc, CSR_MIIROM)); 3251 } 3252 3253 /* 3254 * tlp_sio_mii_bitbang_write: 3255 * 3256 * Write the MII serial port for the MII bit-bang module. 3257 */ 3258 void 3259 tlp_sio_mii_bitbang_write(self, val) 3260 struct device *self; 3261 u_int32_t val; 3262 { 3263 struct tulip_softc *sc = (void *) self; 3264 3265 TULIP_WRITE(sc, CSR_MIIROM, val); 3266 } 3267 3268 /* 3269 * tlp_pnic_mii_readreg: 3270 * 3271 * Read a PHY register on the Lite-On PNIC. 3272 */ 3273 int 3274 tlp_pnic_mii_readreg(self, phy, reg) 3275 struct device *self; 3276 int phy, reg; 3277 { 3278 struct tulip_softc *sc = (void *) self; 3279 u_int32_t val; 3280 int i; 3281 3282 TULIP_WRITE(sc, CSR_PNIC_MII, 3283 PNIC_MII_MBO | PNIC_MII_RESERVED | 3284 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3285 (reg << PNIC_MII_REGSHIFT)); 3286 3287 for (i = 0; i < 1000; i++) { 3288 delay(10); 3289 val = TULIP_READ(sc, CSR_PNIC_MII); 3290 if ((val & PNIC_MII_BUSY) == 0) { 3291 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3292 return (0); 3293 else 3294 return (val & PNIC_MII_DATA); 3295 } 3296 } 3297 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3298 return (0); 3299 } 3300 3301 /* 3302 * tlp_pnic_mii_writereg: 3303 * 3304 * Write a PHY register on the Lite-On PNIC. 3305 */ 3306 void 3307 tlp_pnic_mii_writereg(self, phy, reg, val) 3308 struct device *self; 3309 int phy, reg, val; 3310 { 3311 struct tulip_softc *sc = (void *) self; 3312 int i; 3313 3314 TULIP_WRITE(sc, CSR_PNIC_MII, 3315 PNIC_MII_MBO | PNIC_MII_RESERVED | 3316 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3317 (reg << PNIC_MII_REGSHIFT) | val); 3318 3319 for (i = 0; i < 1000; i++) { 3320 delay(10); 3321 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3322 return; 3323 } 3324 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3325 } 3326 3327 const bus_addr_t tlp_al981_phy_regmap[] = { 3328 CSR_ADM_BMCR, 3329 CSR_ADM_BMSR, 3330 CSR_ADM_PHYIDR1, 3331 CSR_ADM_PHYIDR2, 3332 CSR_ADM_ANAR, 3333 CSR_ADM_ANLPAR, 3334 CSR_ADM_ANER, 3335 3336 CSR_ADM_XMC, 3337 CSR_ADM_XCIIS, 3338 CSR_ADM_XIE, 3339 CSR_ADM_100CTR, 3340 }; 3341 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3342 sizeof(tlp_al981_phy_regmap[0]); 3343 3344 /* 3345 * tlp_al981_mii_readreg: 3346 * 3347 * Read a PHY register on the ADMtek AL981. 3348 */ 3349 int 3350 tlp_al981_mii_readreg(self, phy, reg) 3351 struct device *self; 3352 int phy, reg; 3353 { 3354 struct tulip_softc *sc = (struct tulip_softc *)self; 3355 3356 /* AL981 only has an internal PHY. */ 3357 if (phy != 0) 3358 return (0); 3359 3360 if (reg >= tlp_al981_phy_regmap_size) 3361 return (0); 3362 3363 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3364 tlp_al981_phy_regmap[reg]) & 0xffff); 3365 } 3366 3367 /* 3368 * tlp_al981_mii_writereg: 3369 * 3370 * Write a PHY register on the ADMtek AL981. 3371 */ 3372 void 3373 tlp_al981_mii_writereg(self, phy, reg, val) 3374 struct device *self; 3375 int phy, reg, val; 3376 { 3377 struct tulip_softc *sc = (struct tulip_softc *)self; 3378 3379 /* AL981 only has an internal PHY. */ 3380 if (phy != 0) 3381 return; 3382 3383 if (reg >= tlp_al981_phy_regmap_size) 3384 return; 3385 3386 bus_space_write_4(sc->sc_st, sc->sc_sh, 3387 tlp_al981_phy_regmap[reg], val); 3388 } 3389 3390 /***************************************************************************** 3391 * Chip-specific pre-init and reset functions. 3392 *****************************************************************************/ 3393 3394 /* 3395 * tlp_2114x_preinit: 3396 * 3397 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3398 */ 3399 void 3400 tlp_2114x_preinit(sc) 3401 struct tulip_softc *sc; 3402 { 3403 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3404 struct tulip_21x4x_media *tm = ife->ifm_aux; 3405 3406 /* 3407 * Whether or not we're in MII or SIA/SYM mode, the media info 3408 * contains the appropriate OPMODE bits. 3409 * 3410 * Note that if we have no media info, we are are doing 3411 * non-MII `auto'. 3412 * 3413 * Also, we always set the Must-Be-One bit. 3414 */ 3415 if (tm == NULL) { 3416 #ifdef DIAGNOSTIC 3417 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3418 panic("tlp_2114x_preinit: not IFM_AUTO"); 3419 if (sc->sc_nway_active == NULL) 3420 panic("tlp_2114x_preinit: nway_active NULL"); 3421 #endif 3422 tm = sc->sc_nway_active->ifm_aux; 3423 } 3424 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3425 3426 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3427 } 3428 3429 /* 3430 * tlp_2114x_mii_preinit: 3431 * 3432 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3433 * This version is used by boards which only have MII and don't have 3434 * an ISV SROM. 3435 */ 3436 void 3437 tlp_2114x_mii_preinit(sc) 3438 struct tulip_softc *sc; 3439 { 3440 3441 /* 3442 * Always set the Must-Be-One bit, and Port Select (to select MII). 3443 * We'll never be called during a media change. 3444 */ 3445 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3446 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3447 } 3448 3449 /* 3450 * tlp_pnic_preinit: 3451 * 3452 * Pre-init function for the Lite-On 82c168 and 82c169. 3453 */ 3454 void 3455 tlp_pnic_preinit(sc) 3456 struct tulip_softc *sc; 3457 { 3458 3459 if (sc->sc_flags & TULIPF_HAS_MII) { 3460 /* 3461 * MII case: just set the port-select bit; we will never 3462 * be called during a media change. 3463 */ 3464 sc->sc_opmode |= OPMODE_PS; 3465 } else { 3466 /* 3467 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3468 */ 3469 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3470 } 3471 } 3472 3473 /* 3474 * tlp_dm9102_preinit: 3475 * 3476 * Pre-init function for the Davicom DM9102. 3477 */ 3478 void 3479 tlp_dm9102_preinit(sc) 3480 struct tulip_softc *sc; 3481 { 3482 3483 switch (sc->sc_chip) { 3484 case TULIP_CHIP_DM9102: 3485 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3486 break; 3487 3488 case TULIP_CHIP_DM9102A: 3489 /* 3490 * XXX Figure out how to actually deal with the HomePNA 3491 * XXX portion of the DM9102A. 3492 */ 3493 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3494 break; 3495 3496 default: 3497 /* Nothing. */ 3498 break; 3499 } 3500 3501 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3502 } 3503 3504 /* 3505 * tlp_21140_reset: 3506 * 3507 * Issue a reset sequence on the 21140 via the GPIO facility. 3508 */ 3509 void 3510 tlp_21140_reset(sc) 3511 struct tulip_softc *sc; 3512 { 3513 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3514 struct tulip_21x4x_media *tm = ife->ifm_aux; 3515 int i; 3516 3517 /* First, set the direction on the GPIO pins. */ 3518 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3519 3520 /* Now, issue the reset sequence. */ 3521 for (i = 0; i < tm->tm_reset_length; i++) { 3522 delay(10); 3523 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3524 } 3525 3526 /* Now, issue the selection sequence. */ 3527 for (i = 0; i < tm->tm_gp_length; i++) { 3528 delay(10); 3529 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3530 } 3531 3532 /* If there were no sequences, just lower the pins. */ 3533 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3534 TULIP_WRITE(sc, CSR_GPP, 0); 3535 } 3536 3537 /* 3538 * tlp_21142_reset: 3539 * 3540 * Issue a reset sequence on the 21142 via the GPIO facility. 3541 */ 3542 void 3543 tlp_21142_reset(sc) 3544 struct tulip_softc *sc; 3545 { 3546 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3547 struct tulip_21x4x_media *tm = ife->ifm_aux; 3548 const u_int8_t *ncp; 3549 int i; 3550 3551 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3552 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3553 delay(10); 3554 TULIP_WRITE(sc, CSR_SIAGEN, 3555 TULIP_ROM_GETW(ncp, 0) << 16); 3556 } 3557 3558 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3559 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3560 delay(10); 3561 TULIP_WRITE(sc, CSR_SIAGEN, 3562 TULIP_ROM_GETW(ncp, 0) << 16); 3563 } 3564 3565 /* If there were no sequences, just lower the pins. */ 3566 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3567 delay(10); 3568 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3569 } 3570 } 3571 3572 /* 3573 * tlp_pmac_reset: 3574 * 3575 * Reset routine for Macronix chips. 3576 */ 3577 void 3578 tlp_pmac_reset(sc) 3579 struct tulip_softc *sc; 3580 { 3581 3582 switch (sc->sc_chip) { 3583 case TULIP_CHIP_82C115: 3584 case TULIP_CHIP_MX98715: 3585 case TULIP_CHIP_MX98715A: 3586 case TULIP_CHIP_MX98725: 3587 /* 3588 * Set the LED operating mode. This information is located 3589 * in the EEPROM at byte offset 0x77, per the MX98715A and 3590 * MX98725 application notes. 3591 */ 3592 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3593 break; 3594 case TULIP_CHIP_MX98715AEC_X: 3595 /* 3596 * Set the LED operating mode. This information is located 3597 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3598 * application note. 3599 */ 3600 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3601 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3602 break; 3603 3604 default: 3605 /* Nothing. */ 3606 break; 3607 } 3608 } 3609 3610 /* 3611 * tlp_dm9102_reset: 3612 * 3613 * Reset routine for the Davicom DM9102. 3614 */ 3615 void 3616 tlp_dm9102_reset(sc) 3617 struct tulip_softc *sc; 3618 { 3619 3620 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3621 delay(100); 3622 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3623 } 3624 3625 /***************************************************************************** 3626 * Chip/board-specific media switches. The ones here are ones that 3627 * are potentially common to multiple front-ends. 3628 *****************************************************************************/ 3629 3630 /* 3631 * This table is a common place for all sorts of media information, 3632 * keyed off of the SROM media code for that media. 3633 * 3634 * Note that we explicitly configure the 21142/21143 to always advertise 3635 * NWay capabilities when using the UTP port. 3636 * XXX Actually, we don't yet. 3637 */ 3638 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3639 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3640 "10baseT", 3641 0, 3642 { SIACONN_21040_10BASET, 3643 SIATXRX_21040_10BASET, 3644 SIAGEN_21040_10BASET }, 3645 3646 { SIACONN_21041_10BASET, 3647 SIATXRX_21041_10BASET, 3648 SIAGEN_21041_10BASET }, 3649 3650 { SIACONN_21142_10BASET, 3651 SIATXRX_21142_10BASET, 3652 SIAGEN_21142_10BASET } }, 3653 3654 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3655 "10base2", 3656 0, 3657 { 0, 3658 0, 3659 0 }, 3660 3661 { SIACONN_21041_BNC, 3662 SIATXRX_21041_BNC, 3663 SIAGEN_21041_BNC }, 3664 3665 { SIACONN_21142_BNC, 3666 SIATXRX_21142_BNC, 3667 SIAGEN_21142_BNC } }, 3668 3669 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3670 "10base5", 3671 0, 3672 { SIACONN_21040_AUI, 3673 SIATXRX_21040_AUI, 3674 SIAGEN_21040_AUI }, 3675 3676 { SIACONN_21041_AUI, 3677 SIATXRX_21041_AUI, 3678 SIAGEN_21041_AUI }, 3679 3680 { SIACONN_21142_AUI, 3681 SIATXRX_21142_AUI, 3682 SIAGEN_21142_AUI } }, 3683 3684 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3685 "100baseTX", 3686 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3687 { 0, 3688 0, 3689 0 }, 3690 3691 { 0, 3692 0, 3693 0 }, 3694 3695 { 0, 3696 0, 3697 SIAGEN_ABM } }, 3698 3699 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3700 "10baseT-FDX", 3701 OPMODE_FD|OPMODE_HBD, 3702 { SIACONN_21040_10BASET_FDX, 3703 SIATXRX_21040_10BASET_FDX, 3704 SIAGEN_21040_10BASET_FDX }, 3705 3706 { SIACONN_21041_10BASET_FDX, 3707 SIATXRX_21041_10BASET_FDX, 3708 SIAGEN_21041_10BASET_FDX }, 3709 3710 { SIACONN_21142_10BASET_FDX, 3711 SIATXRX_21142_10BASET_FDX, 3712 SIAGEN_21142_10BASET_FDX } }, 3713 3714 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3715 "100baseTX-FDX", 3716 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3717 { 0, 3718 0, 3719 0 }, 3720 3721 { 0, 3722 0, 3723 0 }, 3724 3725 { 0, 3726 0, 3727 SIAGEN_ABM } }, 3728 3729 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3730 "100baseT4", 3731 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3732 { 0, 3733 0, 3734 0 }, 3735 3736 { 0, 3737 0, 3738 0 }, 3739 3740 { 0, 3741 0, 3742 SIAGEN_ABM } }, 3743 3744 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3745 "100baseFX", 3746 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3747 { 0, 3748 0, 3749 0 }, 3750 3751 { 0, 3752 0, 3753 0 }, 3754 3755 { 0, 3756 0, 3757 SIAGEN_ABM } }, 3758 3759 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3760 "100baseFX-FDX", 3761 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3762 { 0, 3763 0, 3764 0 }, 3765 3766 { 0, 3767 0, 3768 0 }, 3769 3770 { 0, 3771 0, 3772 SIAGEN_ABM } }, 3773 3774 { 0, 0, 0, 3775 NULL, 3776 0, 3777 { 0, 3778 0, 3779 0 }, 3780 3781 { 0, 3782 0, 3783 0 }, 3784 3785 { 0, 3786 0, 3787 0 } }, 3788 }; 3789 3790 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3791 void tlp_srom_media_info __P((struct tulip_softc *, 3792 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3793 void tlp_add_srom_media __P((struct tulip_softc *, int, 3794 void (*)(struct tulip_softc *, struct ifmediareq *), 3795 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3796 void tlp_print_media __P((struct tulip_softc *)); 3797 void tlp_nway_activate __P((struct tulip_softc *, int)); 3798 void tlp_get_minst __P((struct tulip_softc *)); 3799 3800 const struct tulip_srom_to_ifmedia * 3801 tlp_srom_to_ifmedia(sm) 3802 u_int8_t sm; 3803 { 3804 const struct tulip_srom_to_ifmedia *tsti; 3805 3806 for (tsti = tulip_srom_to_ifmedia_table; 3807 tsti->tsti_name != NULL; tsti++) { 3808 if (tsti->tsti_srom == sm) 3809 return (tsti); 3810 } 3811 3812 return (NULL); 3813 } 3814 3815 void 3816 tlp_srom_media_info(sc, tsti, tm) 3817 struct tulip_softc *sc; 3818 const struct tulip_srom_to_ifmedia *tsti; 3819 struct tulip_21x4x_media *tm; 3820 { 3821 3822 tm->tm_name = tsti->tsti_name; 3823 tm->tm_opmode = tsti->tsti_opmode; 3824 3825 switch (sc->sc_chip) { 3826 case TULIP_CHIP_DE425: 3827 case TULIP_CHIP_21040: 3828 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3829 break; 3830 3831 case TULIP_CHIP_21041: 3832 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3833 break; 3834 3835 case TULIP_CHIP_21142: 3836 case TULIP_CHIP_21143: 3837 case TULIP_CHIP_82C115: 3838 case TULIP_CHIP_MX98715: 3839 case TULIP_CHIP_MX98715A: 3840 case TULIP_CHIP_MX98715AEC_X: 3841 case TULIP_CHIP_MX98725: 3842 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3843 break; 3844 3845 default: 3846 /* Nothing. */ 3847 break; 3848 } 3849 } 3850 3851 void 3852 tlp_add_srom_media(sc, type, get, set, list, cnt) 3853 struct tulip_softc *sc; 3854 int type; 3855 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3856 int (*set) __P((struct tulip_softc *)); 3857 const u_int8_t *list; 3858 int cnt; 3859 { 3860 struct tulip_21x4x_media *tm; 3861 const struct tulip_srom_to_ifmedia *tsti; 3862 int i; 3863 3864 for (i = 0; i < cnt; i++) { 3865 tsti = tlp_srom_to_ifmedia(list[i]); 3866 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3867 memset(tm, 0, sizeof(*tm)); 3868 tlp_srom_media_info(sc, tsti, tm); 3869 tm->tm_type = type; 3870 tm->tm_get = get; 3871 tm->tm_set = set; 3872 3873 ifmedia_add(&sc->sc_mii.mii_media, 3874 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3875 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3876 } 3877 } 3878 3879 void 3880 tlp_print_media(sc) 3881 struct tulip_softc *sc; 3882 { 3883 struct ifmedia_entry *ife; 3884 struct tulip_21x4x_media *tm; 3885 const char *sep = ""; 3886 3887 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3888 3889 printf("%s: ", sc->sc_dev.dv_xname); 3890 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3891 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3892 tm = ife->ifm_aux; 3893 if (tm == NULL) { 3894 #ifdef DIAGNOSTIC 3895 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3896 panic("tlp_print_media"); 3897 #endif 3898 PRINT("auto"); 3899 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3900 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3901 PRINT(tm->tm_name); 3902 } 3903 } 3904 printf("\n"); 3905 3906 #undef PRINT 3907 } 3908 3909 void 3910 tlp_nway_activate(sc, media) 3911 struct tulip_softc *sc; 3912 int media; 3913 { 3914 struct ifmedia_entry *ife; 3915 3916 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3917 #ifdef DIAGNOSTIC 3918 if (ife == NULL) 3919 panic("tlp_nway_activate"); 3920 #endif 3921 sc->sc_nway_active = ife; 3922 } 3923 3924 void 3925 tlp_get_minst(sc) 3926 struct tulip_softc *sc; 3927 { 3928 3929 if ((sc->sc_media_seen & 3930 ~((1 << TULIP_ROM_MB_21140_MII) | 3931 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3932 /* 3933 * We have not yet seen any SIA/SYM media (but are 3934 * about to; that's why we're called!), so assign 3935 * the current media instance to be the `internal media' 3936 * instance, and advance it so any MII media gets a 3937 * fresh one (used to selecting/isolating a PHY). 3938 */ 3939 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3940 } 3941 } 3942 3943 /* 3944 * SIA Utility functions. 3945 */ 3946 void tlp_sia_update_link __P((struct tulip_softc *)); 3947 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3948 int tlp_sia_set __P((struct tulip_softc *)); 3949 void tlp_sia_fixup __P((struct tulip_softc *)); 3950 3951 void 3952 tlp_sia_update_link(sc) 3953 struct tulip_softc *sc; 3954 { 3955 struct ifmedia_entry *ife; 3956 struct tulip_21x4x_media *tm; 3957 u_int32_t siastat; 3958 3959 ife = TULIP_CURRENT_MEDIA(sc); 3960 tm = ife->ifm_aux; 3961 3962 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3963 3964 siastat = TULIP_READ(sc, CSR_SIASTAT); 3965 3966 /* 3967 * Note that when we do SIA link tests, we are assuming that 3968 * the chip is really in the mode that the current media setting 3969 * reflects. If we're not, then the link tests will not be 3970 * accurate! 3971 */ 3972 switch (IFM_SUBTYPE(ife->ifm_media)) { 3973 case IFM_10_T: 3974 sc->sc_flags |= TULIPF_LINK_VALID; 3975 if ((siastat & SIASTAT_LS10) == 0) 3976 sc->sc_flags |= TULIPF_LINK_UP; 3977 break; 3978 3979 case IFM_100_TX: 3980 case IFM_100_T4: 3981 sc->sc_flags |= TULIPF_LINK_VALID; 3982 if ((siastat & SIASTAT_LS100) == 0) 3983 sc->sc_flags |= TULIPF_LINK_UP; 3984 break; 3985 } 3986 3987 switch (sc->sc_chip) { 3988 case TULIP_CHIP_21142: 3989 case TULIP_CHIP_21143: 3990 /* 3991 * On these chips, we can tell more information about 3992 * AUI/BNC. Note that the AUI/BNC selection is made 3993 * in a different register; for our purpose, it's all 3994 * AUI. 3995 */ 3996 switch (IFM_SUBTYPE(ife->ifm_media)) { 3997 case IFM_10_2: 3998 case IFM_10_5: 3999 sc->sc_flags |= TULIPF_LINK_VALID; 4000 if (siastat & SIASTAT_ARA) { 4001 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4002 sc->sc_flags |= TULIPF_LINK_UP; 4003 } 4004 break; 4005 4006 default: 4007 /* 4008 * If we're SYM media and can detect the link 4009 * via the GPIO facility, prefer that status 4010 * over LS100. 4011 */ 4012 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4013 tm->tm_actmask != 0) { 4014 sc->sc_flags = (sc->sc_flags & 4015 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4016 if (TULIP_ISSET(sc, CSR_SIAGEN, 4017 tm->tm_actmask) == tm->tm_actdata) 4018 sc->sc_flags |= TULIPF_LINK_UP; 4019 } 4020 } 4021 break; 4022 4023 default: 4024 /* Nothing. */ 4025 break; 4026 } 4027 } 4028 4029 void 4030 tlp_sia_get(sc, ifmr) 4031 struct tulip_softc *sc; 4032 struct ifmediareq *ifmr; 4033 { 4034 struct ifmedia_entry *ife; 4035 4036 ifmr->ifm_status = 0; 4037 4038 tlp_sia_update_link(sc); 4039 4040 ife = TULIP_CURRENT_MEDIA(sc); 4041 4042 if (sc->sc_flags & TULIPF_LINK_VALID) 4043 ifmr->ifm_status |= IFM_AVALID; 4044 if (sc->sc_flags & TULIPF_LINK_UP) 4045 ifmr->ifm_status |= IFM_ACTIVE; 4046 ifmr->ifm_active = ife->ifm_media; 4047 } 4048 4049 void 4050 tlp_sia_fixup(sc) 4051 struct tulip_softc *sc; 4052 { 4053 struct ifmedia_entry *ife; 4054 struct tulip_21x4x_media *tm; 4055 u_int32_t siaconn, siatxrx, siagen; 4056 4057 switch (sc->sc_chip) { 4058 case TULIP_CHIP_82C115: 4059 case TULIP_CHIP_MX98713A: 4060 case TULIP_CHIP_MX98715: 4061 case TULIP_CHIP_MX98715A: 4062 case TULIP_CHIP_MX98715AEC_X: 4063 case TULIP_CHIP_MX98725: 4064 siaconn = PMAC_SIACONN_MASK; 4065 siatxrx = PMAC_SIATXRX_MASK; 4066 siagen = PMAC_SIAGEN_MASK; 4067 break; 4068 4069 default: 4070 /* No fixups required on any other chips. */ 4071 return; 4072 } 4073 4074 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4075 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4076 tm = ife->ifm_aux; 4077 if (tm == NULL) 4078 continue; 4079 4080 tm->tm_siaconn &= siaconn; 4081 tm->tm_siatxrx &= siatxrx; 4082 tm->tm_siagen &= siagen; 4083 } 4084 } 4085 4086 int 4087 tlp_sia_set(sc) 4088 struct tulip_softc *sc; 4089 { 4090 struct ifmedia_entry *ife; 4091 struct tulip_21x4x_media *tm; 4092 4093 ife = TULIP_CURRENT_MEDIA(sc); 4094 tm = ife->ifm_aux; 4095 4096 /* 4097 * XXX This appears to be necessary on a bunch of the clone chips. 4098 */ 4099 delay(20000); 4100 4101 /* 4102 * Idle the chip. 4103 */ 4104 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4105 4106 /* 4107 * Program the SIA. It's important to write in this order, 4108 * resetting the SIA first. 4109 */ 4110 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4111 delay(1000); 4112 4113 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4114 4115 switch (sc->sc_chip) { 4116 case TULIP_CHIP_21142: 4117 case TULIP_CHIP_21143: 4118 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4119 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4120 break; 4121 default: 4122 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4123 } 4124 4125 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4126 4127 /* 4128 * Set the OPMODE bits for this media and write OPMODE. 4129 * This will resume the transmit and receive processes. 4130 */ 4131 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4132 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4133 4134 return (0); 4135 } 4136 4137 /* 4138 * 21140 GPIO utility functions. 4139 */ 4140 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4141 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4142 struct ifmediareq *ifmr)); 4143 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4144 4145 void 4146 tlp_21140_gpio_update_link(sc) 4147 struct tulip_softc *sc; 4148 { 4149 struct ifmedia_entry *ife; 4150 struct tulip_21x4x_media *tm; 4151 4152 ife = TULIP_CURRENT_MEDIA(sc); 4153 tm = ife->ifm_aux; 4154 4155 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4156 4157 if (tm->tm_actmask != 0) { 4158 sc->sc_flags |= TULIPF_LINK_VALID; 4159 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4160 tm->tm_actdata) 4161 sc->sc_flags |= TULIPF_LINK_UP; 4162 } 4163 } 4164 4165 void 4166 tlp_21140_gpio_get(sc, ifmr) 4167 struct tulip_softc *sc; 4168 struct ifmediareq *ifmr; 4169 { 4170 struct ifmedia_entry *ife; 4171 4172 ifmr->ifm_status = 0; 4173 4174 tlp_21140_gpio_update_link(sc); 4175 4176 ife = TULIP_CURRENT_MEDIA(sc); 4177 4178 if (sc->sc_flags & TULIPF_LINK_VALID) 4179 ifmr->ifm_status |= IFM_AVALID; 4180 if (sc->sc_flags & TULIPF_LINK_UP) 4181 ifmr->ifm_status |= IFM_ACTIVE; 4182 ifmr->ifm_active = ife->ifm_media; 4183 } 4184 4185 int 4186 tlp_21140_gpio_set(sc) 4187 struct tulip_softc *sc; 4188 { 4189 struct ifmedia_entry *ife; 4190 struct tulip_21x4x_media *tm; 4191 4192 ife = TULIP_CURRENT_MEDIA(sc); 4193 tm = ife->ifm_aux; 4194 4195 /* 4196 * Idle the chip. 4197 */ 4198 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4199 4200 /* 4201 * Set the GPIO pins for this media, to flip any 4202 * relays, etc. 4203 */ 4204 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4205 delay(10); 4206 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4207 4208 /* 4209 * Set the OPMODE bits for this media and write OPMODE. 4210 * This will resume the transmit and receive processes. 4211 */ 4212 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4213 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4214 4215 return (0); 4216 } 4217 4218 /* 4219 * 21040 and 21041 media switches. 4220 */ 4221 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4222 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4223 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4224 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4225 4226 const struct tulip_mediasw tlp_21040_mediasw = { 4227 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4228 }; 4229 4230 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4231 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4232 }; 4233 4234 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4235 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4236 }; 4237 4238 const struct tulip_mediasw tlp_21041_mediasw = { 4239 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4240 }; 4241 4242 4243 void 4244 tlp_21040_tmsw_init(sc) 4245 struct tulip_softc *sc; 4246 { 4247 static const u_int8_t media[] = { 4248 TULIP_ROM_MB_MEDIA_TP, 4249 TULIP_ROM_MB_MEDIA_TP_FDX, 4250 TULIP_ROM_MB_MEDIA_AUI, 4251 }; 4252 struct tulip_21x4x_media *tm; 4253 4254 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4255 tlp_mediastatus); 4256 4257 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4258 4259 /* 4260 * No SROM type for External SIA. 4261 */ 4262 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4263 memset(tm, 0, sizeof(*tm)); 4264 tm->tm_name = "manual"; 4265 tm->tm_opmode = 0; 4266 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4267 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4268 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4269 ifmedia_add(&sc->sc_mii.mii_media, 4270 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4271 4272 /* 4273 * XXX Autosense not yet supported. 4274 */ 4275 4276 /* XXX This should be auto-sense. */ 4277 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4278 4279 tlp_print_media(sc); 4280 } 4281 4282 void 4283 tlp_21040_tp_tmsw_init(sc) 4284 struct tulip_softc *sc; 4285 { 4286 static const u_int8_t media[] = { 4287 TULIP_ROM_MB_MEDIA_TP, 4288 TULIP_ROM_MB_MEDIA_TP_FDX, 4289 }; 4290 4291 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4292 tlp_mediastatus); 4293 4294 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4295 4296 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4297 4298 tlp_print_media(sc); 4299 } 4300 4301 void 4302 tlp_21040_auibnc_tmsw_init(sc) 4303 struct tulip_softc *sc; 4304 { 4305 static const u_int8_t media[] = { 4306 TULIP_ROM_MB_MEDIA_AUI, 4307 }; 4308 4309 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4310 tlp_mediastatus); 4311 4312 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4313 4314 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4315 4316 tlp_print_media(sc); 4317 } 4318 4319 void 4320 tlp_21041_tmsw_init(sc) 4321 struct tulip_softc *sc; 4322 { 4323 static const u_int8_t media[] = { 4324 TULIP_ROM_MB_MEDIA_TP, 4325 TULIP_ROM_MB_MEDIA_TP_FDX, 4326 TULIP_ROM_MB_MEDIA_BNC, 4327 TULIP_ROM_MB_MEDIA_AUI, 4328 }; 4329 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4330 const struct tulip_srom_to_ifmedia *tsti; 4331 struct tulip_21x4x_media *tm; 4332 u_int16_t romdef; 4333 u_int8_t mb; 4334 4335 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4336 tlp_mediastatus); 4337 4338 if (tlp_isv_srom(sc->sc_srom) == 0) { 4339 not_isv_srom: 4340 /* 4341 * If we have a board without the standard 21041 SROM format, 4342 * we just assume all media are present and try and pick a 4343 * reasonable default. 4344 */ 4345 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4346 4347 /* 4348 * XXX Autosense not yet supported. 4349 */ 4350 4351 /* XXX This should be auto-sense. */ 4352 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4353 4354 tlp_print_media(sc); 4355 return; 4356 } 4357 4358 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4359 for (i = 0; i < devcnt; i++) { 4360 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4361 break; 4362 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4363 sc->sc_devno) 4364 break; 4365 } 4366 4367 if (i == devcnt) 4368 goto not_isv_srom; 4369 4370 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4371 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4372 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4373 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4374 4375 for (; m_cnt != 0; 4376 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4377 mb = sc->sc_srom[mb_offset]; 4378 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4379 memset(tm, 0, sizeof(*tm)); 4380 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4381 case TULIP_ROM_MB_MEDIA_TP_FDX: 4382 case TULIP_ROM_MB_MEDIA_TP: 4383 case TULIP_ROM_MB_MEDIA_BNC: 4384 case TULIP_ROM_MB_MEDIA_AUI: 4385 tsti = tlp_srom_to_ifmedia(mb & 4386 TULIP_ROM_MB_MEDIA_CODE); 4387 4388 tlp_srom_media_info(sc, tsti, tm); 4389 4390 /* 4391 * Override our default SIA settings if the 4392 * SROM contains its own. 4393 */ 4394 if (mb & TULIP_ROM_MB_EXT) { 4395 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4396 mb_offset + TULIP_ROM_MB_CSR13); 4397 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4398 mb_offset + TULIP_ROM_MB_CSR14); 4399 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4400 mb_offset + TULIP_ROM_MB_CSR15); 4401 } 4402 4403 ifmedia_add(&sc->sc_mii.mii_media, 4404 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4405 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4406 break; 4407 4408 default: 4409 printf("%s: unknown media code 0x%02x\n", 4410 sc->sc_dev.dv_xname, 4411 mb & TULIP_ROM_MB_MEDIA_CODE); 4412 free(tm, M_DEVBUF); 4413 } 4414 } 4415 4416 /* 4417 * XXX Autosense not yet supported. 4418 */ 4419 4420 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4421 TULIP_ROM_IL_SELECT_CONN_TYPE); 4422 switch (romdef) { 4423 case SELECT_CONN_TYPE_TP: 4424 case SELECT_CONN_TYPE_TP_AUTONEG: 4425 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4426 defmedia = IFM_ETHER|IFM_10_T; 4427 break; 4428 4429 case SELECT_CONN_TYPE_TP_FDX: 4430 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4431 break; 4432 4433 case SELECT_CONN_TYPE_BNC: 4434 defmedia = IFM_ETHER|IFM_10_2; 4435 break; 4436 4437 case SELECT_CONN_TYPE_AUI: 4438 defmedia = IFM_ETHER|IFM_10_5; 4439 break; 4440 #if 0 /* XXX */ 4441 case SELECT_CONN_TYPE_ASENSE: 4442 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4443 defmedia = IFM_ETHER|IFM_AUTO; 4444 break; 4445 #endif 4446 default: 4447 defmedia = 0; 4448 } 4449 4450 if (defmedia == 0) { 4451 /* 4452 * XXX We should default to auto-sense. 4453 */ 4454 defmedia = IFM_ETHER|IFM_10_T; 4455 } 4456 4457 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4458 4459 tlp_print_media(sc); 4460 } 4461 4462 /* 4463 * DECchip 2114x ISV media switch. 4464 */ 4465 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4466 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4467 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4468 4469 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4470 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4471 }; 4472 4473 void 4474 tlp_2114x_isv_tmsw_init(sc) 4475 struct tulip_softc *sc; 4476 { 4477 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4478 struct ifmedia_entry *ife; 4479 struct mii_softc *phy; 4480 struct tulip_21x4x_media *tm; 4481 const struct tulip_srom_to_ifmedia *tsti; 4482 int i, devcnt, leaf_offset, m_cnt, type, length; 4483 int defmedia, miidef; 4484 u_int16_t word; 4485 u_int8_t *cp, *ncp; 4486 4487 defmedia = miidef = 0; 4488 4489 sc->sc_mii.mii_ifp = ifp; 4490 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4491 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4492 sc->sc_mii.mii_statchg = sc->sc_statchg; 4493 4494 /* 4495 * Ignore `instance'; we may get a mixture of SIA and MII 4496 * media, and `instance' is used to isolate or select the 4497 * PHY on the MII as appropriate. Note that duplicate media 4498 * are disallowed, so ignoring `instance' is safe. 4499 */ 4500 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4501 tlp_mediastatus); 4502 4503 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4504 for (i = 0; i < devcnt; i++) { 4505 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4506 break; 4507 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4508 sc->sc_devno) 4509 break; 4510 } 4511 4512 if (i == devcnt) { 4513 printf("%s: unable to locate info leaf in SROM\n", 4514 sc->sc_dev.dv_xname); 4515 return; 4516 } 4517 4518 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4519 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4520 4521 /* XXX SELECT CONN TYPE */ 4522 4523 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4524 4525 /* 4526 * On some chips, the first thing in the Info Leaf is the 4527 * GPIO pin direction data. 4528 */ 4529 switch (sc->sc_chip) { 4530 case TULIP_CHIP_21140: 4531 case TULIP_CHIP_21140A: 4532 case TULIP_CHIP_MX98713: 4533 case TULIP_CHIP_AX88140: 4534 case TULIP_CHIP_AX88141: 4535 sc->sc_gp_dir = *cp++; 4536 break; 4537 4538 default: 4539 /* Nothing. */ 4540 break; 4541 } 4542 4543 /* Get the media count. */ 4544 m_cnt = *cp++; 4545 4546 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4547 /* 4548 * Determine the type and length of this media block. 4549 */ 4550 if ((*cp & 0x80) == 0) { 4551 length = 4; 4552 type = TULIP_ROM_MB_21140_GPR; 4553 } else { 4554 length = (*cp++ & 0x7f) - 1; 4555 type = *cp++ & 0x3f; 4556 } 4557 4558 /* Compute the start of the next block. */ 4559 ncp = cp + length; 4560 4561 /* Now, parse the block. */ 4562 switch (type) { 4563 case TULIP_ROM_MB_21140_GPR: 4564 tlp_get_minst(sc); 4565 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4566 4567 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4568 memset(tm, 0, sizeof(*tm)); 4569 4570 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4571 tm->tm_get = tlp_21140_gpio_get; 4572 tm->tm_set = tlp_21140_gpio_set; 4573 4574 /* First is the media type code. */ 4575 tsti = tlp_srom_to_ifmedia(cp[0] & 4576 TULIP_ROM_MB_MEDIA_CODE); 4577 if (tsti == NULL) { 4578 /* Invalid media code. */ 4579 free(tm, M_DEVBUF); 4580 break; 4581 } 4582 4583 /* Get defaults. */ 4584 tlp_srom_media_info(sc, tsti, tm); 4585 4586 /* Next is any GPIO info for this media. */ 4587 tm->tm_gpdata = cp[1]; 4588 4589 /* 4590 * Next is a word containing OPMODE information 4591 * and info on how to detect if this media is 4592 * active. 4593 */ 4594 word = TULIP_ROM_GETW(cp, 2); 4595 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4596 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4597 tm->tm_actmask = 4598 TULIP_ROM_MB_BITPOS(word); 4599 tm->tm_actdata = 4600 (word & TULIP_ROM_MB_POLARITY) ? 4601 0 : tm->tm_actmask; 4602 } 4603 4604 ifmedia_add(&sc->sc_mii.mii_media, 4605 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4606 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4607 break; 4608 4609 case TULIP_ROM_MB_21140_MII: 4610 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4611 4612 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4613 memset(tm, 0, sizeof(*tm)); 4614 4615 tm->tm_type = TULIP_ROM_MB_21140_MII; 4616 tm->tm_get = tlp_mii_getmedia; 4617 tm->tm_set = tlp_mii_setmedia; 4618 tm->tm_opmode = OPMODE_PS; 4619 4620 if (sc->sc_reset == NULL) 4621 sc->sc_reset = tlp_21140_reset; 4622 4623 /* First is the PHY number. */ 4624 tm->tm_phyno = *cp++; 4625 4626 /* Next is the MII select sequence length and offset. */ 4627 tm->tm_gp_length = *cp++; 4628 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4629 cp += tm->tm_gp_length; 4630 4631 /* Next is the MII reset sequence length and offset. */ 4632 tm->tm_reset_length = *cp++; 4633 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4634 cp += tm->tm_reset_length; 4635 4636 /* 4637 * The following items are left in the media block 4638 * that we don't particularly care about: 4639 * 4640 * capabilities W 4641 * advertisement W 4642 * full duplex W 4643 * tx threshold W 4644 * 4645 * These appear to be bits in the PHY registers, 4646 * which our MII code handles on its own. 4647 */ 4648 4649 /* 4650 * Before we probe the MII bus, we need to reset 4651 * it and issue the selection sequence. 4652 */ 4653 4654 /* Set the direction of the pins... */ 4655 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4656 4657 for (i = 0; i < tm->tm_reset_length; i++) { 4658 delay(10); 4659 TULIP_WRITE(sc, CSR_GPP, 4660 sc->sc_srom[tm->tm_reset_offset + i]); 4661 } 4662 4663 for (i = 0; i < tm->tm_gp_length; i++) { 4664 delay(10); 4665 TULIP_WRITE(sc, CSR_GPP, 4666 sc->sc_srom[tm->tm_gp_offset + i]); 4667 } 4668 4669 /* If there were no sequences, just lower the pins. */ 4670 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4671 delay(10); 4672 TULIP_WRITE(sc, CSR_GPP, 0); 4673 } 4674 4675 /* 4676 * Now, probe the MII for the PHY. Note, we know 4677 * the location of the PHY on the bus, but we don't 4678 * particularly care; the MII code just likes to 4679 * search the whole thing anyhow. 4680 */ 4681 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4682 MII_PHY_ANY, tm->tm_phyno, 0); 4683 4684 /* 4685 * Now, search for the PHY we hopefully just 4686 * configured. If it's not configured into the 4687 * kernel, we lose. The PHY's default media always 4688 * takes priority. 4689 */ 4690 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4691 phy != NULL; 4692 phy = LIST_NEXT(phy, mii_list)) 4693 if (phy->mii_offset == tm->tm_phyno) 4694 break; 4695 if (phy == NULL) { 4696 printf("%s: unable to configure MII\n", 4697 sc->sc_dev.dv_xname); 4698 break; 4699 } 4700 4701 sc->sc_flags |= TULIPF_HAS_MII; 4702 sc->sc_tick = tlp_mii_tick; 4703 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4704 phy->mii_inst); 4705 4706 /* 4707 * Okay, now that we've found the PHY and the MII 4708 * layer has added all of the media associated 4709 * with that PHY, we need to traverse the media 4710 * list, and add our `tm' to each entry's `aux' 4711 * pointer. 4712 * 4713 * We do this by looking for media with our 4714 * PHY's `instance'. 4715 */ 4716 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4717 ife != NULL; 4718 ife = TAILQ_NEXT(ife, ifm_list)) { 4719 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4720 continue; 4721 ife->ifm_aux = tm; 4722 } 4723 break; 4724 4725 case TULIP_ROM_MB_21142_SIA: 4726 tlp_get_minst(sc); 4727 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4728 4729 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4730 memset(tm, 0, sizeof(*tm)); 4731 4732 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4733 tm->tm_get = tlp_sia_get; 4734 tm->tm_set = tlp_sia_set; 4735 4736 /* First is the media type code. */ 4737 tsti = tlp_srom_to_ifmedia(cp[0] & 4738 TULIP_ROM_MB_MEDIA_CODE); 4739 if (tsti == NULL) { 4740 /* Invalid media code. */ 4741 free(tm, M_DEVBUF); 4742 break; 4743 } 4744 4745 /* Get defaults. */ 4746 tlp_srom_media_info(sc, tsti, tm); 4747 4748 /* 4749 * Override our default SIA settings if the 4750 * SROM contains its own. 4751 */ 4752 if (cp[0] & 0x40) { 4753 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4754 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4755 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4756 cp += 7; 4757 } else 4758 cp++; 4759 4760 /* Next is GPIO control/data. */ 4761 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4762 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4763 4764 ifmedia_add(&sc->sc_mii.mii_media, 4765 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4766 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4767 break; 4768 4769 case TULIP_ROM_MB_21142_MII: 4770 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4771 4772 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4773 memset(tm, 0, sizeof(*tm)); 4774 4775 tm->tm_type = TULIP_ROM_MB_21142_MII; 4776 tm->tm_get = tlp_mii_getmedia; 4777 tm->tm_set = tlp_mii_setmedia; 4778 tm->tm_opmode = OPMODE_PS; 4779 4780 if (sc->sc_reset == NULL) 4781 sc->sc_reset = tlp_21142_reset; 4782 4783 /* First is the PHY number. */ 4784 tm->tm_phyno = *cp++; 4785 4786 /* Next is the MII select sequence length and offset. */ 4787 tm->tm_gp_length = *cp++; 4788 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4789 cp += tm->tm_gp_length * 2; 4790 4791 /* Next is the MII reset sequence length and offset. */ 4792 tm->tm_reset_length = *cp++; 4793 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4794 cp += tm->tm_reset_length * 2; 4795 4796 /* 4797 * The following items are left in the media block 4798 * that we don't particularly care about: 4799 * 4800 * capabilities W 4801 * advertisement W 4802 * full duplex W 4803 * tx threshold W 4804 * MII interrupt W 4805 * 4806 * These appear to be bits in the PHY registers, 4807 * which our MII code handles on its own. 4808 */ 4809 4810 /* 4811 * Before we probe the MII bus, we need to reset 4812 * it and issue the selection sequence. 4813 */ 4814 4815 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4816 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4817 delay(10); 4818 TULIP_WRITE(sc, CSR_SIAGEN, 4819 TULIP_ROM_GETW(ncp, 0) << 16); 4820 } 4821 4822 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4823 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4824 delay(10); 4825 TULIP_WRITE(sc, CSR_SIAGEN, 4826 TULIP_ROM_GETW(ncp, 0) << 16); 4827 } 4828 4829 /* If there were no sequences, just lower the pins. */ 4830 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4831 delay(10); 4832 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4833 } 4834 4835 /* 4836 * Now, probe the MII for the PHY. Note, we know 4837 * the location of the PHY on the bus, but we don't 4838 * particularly care; the MII code just likes to 4839 * search the whole thing anyhow. 4840 */ 4841 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4842 MII_PHY_ANY, tm->tm_phyno, 0); 4843 4844 /* 4845 * Now, search for the PHY we hopefully just 4846 * configured. If it's not configured into the 4847 * kernel, we lose. The PHY's default media always 4848 * takes priority. 4849 */ 4850 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4851 phy != NULL; 4852 phy = LIST_NEXT(phy, mii_list)) 4853 if (phy->mii_offset == tm->tm_phyno) 4854 break; 4855 if (phy == NULL) { 4856 printf("%s: unable to configure MII\n", 4857 sc->sc_dev.dv_xname); 4858 break; 4859 } 4860 4861 sc->sc_flags |= TULIPF_HAS_MII; 4862 sc->sc_tick = tlp_mii_tick; 4863 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4864 phy->mii_inst); 4865 4866 /* 4867 * Okay, now that we've found the PHY and the MII 4868 * layer has added all of the media associated 4869 * with that PHY, we need to traverse the media 4870 * list, and add our `tm' to each entry's `aux' 4871 * pointer. 4872 * 4873 * We do this by looking for media with our 4874 * PHY's `instance'. 4875 */ 4876 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4877 ife != NULL; 4878 ife = TAILQ_NEXT(ife, ifm_list)) { 4879 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4880 continue; 4881 ife->ifm_aux = tm; 4882 } 4883 break; 4884 4885 case TULIP_ROM_MB_21143_SYM: 4886 tlp_get_minst(sc); 4887 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4888 4889 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4890 memset(tm, 0, sizeof(*tm)); 4891 4892 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4893 tm->tm_get = tlp_sia_get; 4894 tm->tm_set = tlp_sia_set; 4895 4896 /* First is the media type code. */ 4897 tsti = tlp_srom_to_ifmedia(cp[0] & 4898 TULIP_ROM_MB_MEDIA_CODE); 4899 if (tsti == NULL) { 4900 /* Invalid media code. */ 4901 free(tm, M_DEVBUF); 4902 break; 4903 } 4904 4905 /* Get defaults. */ 4906 tlp_srom_media_info(sc, tsti, tm); 4907 4908 /* Next is GPIO control/data. */ 4909 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4910 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4911 4912 /* 4913 * Next is a word containing OPMODE information 4914 * and info on how to detect if this media is 4915 * active. 4916 */ 4917 word = TULIP_ROM_GETW(cp, 5); 4918 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4919 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4920 tm->tm_actmask = 4921 TULIP_ROM_MB_BITPOS(word); 4922 tm->tm_actdata = 4923 (word & TULIP_ROM_MB_POLARITY) ? 4924 0 : tm->tm_actmask; 4925 } 4926 4927 ifmedia_add(&sc->sc_mii.mii_media, 4928 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4929 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4930 break; 4931 4932 case TULIP_ROM_MB_21143_RESET: 4933 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4934 break; 4935 4936 default: 4937 printf("%s: unknown ISV media block type 0x%02x\n", 4938 sc->sc_dev.dv_xname, type); 4939 } 4940 } 4941 4942 /* 4943 * Deal with the case where no media is configured. 4944 */ 4945 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4946 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4947 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4948 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4949 return; 4950 } 4951 4952 /* 4953 * Pick the default media. 4954 */ 4955 if (miidef != 0) 4956 defmedia = miidef; 4957 else { 4958 /* 4959 * XXX Pick a better default. Should come from SROM 4960 * XXX on 21140[A], and should be "auto" on 21142, 4961 * XXX 21143, and Macronix chips. 4962 */ 4963 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4964 } 4965 4966 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4967 4968 /* 4969 * Display any non-MII media we've located. 4970 */ 4971 if (sc->sc_media_seen & 4972 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4973 tlp_print_media(sc); 4974 4975 tlp_sia_fixup(sc); 4976 } 4977 4978 void 4979 tlp_2114x_isv_tmsw_get(sc, ifmr) 4980 struct tulip_softc *sc; 4981 struct ifmediareq *ifmr; 4982 { 4983 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4984 struct tulip_21x4x_media *tm = ife->ifm_aux; 4985 4986 /* 4987 * We might be polling a non-MII autosense; check for that. 4988 */ 4989 if (tm == NULL) { 4990 #ifdef DIAGNOSTIC 4991 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4992 panic("tlp_2114x_isv_tmsw_get"); 4993 #endif 4994 tm = sc->sc_nway_active->ifm_aux; 4995 } 4996 4997 (*tm->tm_get)(sc, ifmr); 4998 } 4999 5000 int 5001 tlp_2114x_isv_tmsw_set(sc) 5002 struct tulip_softc *sc; 5003 { 5004 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5005 struct tulip_21x4x_media *tm = ife->ifm_aux; 5006 5007 /* 5008 * We might be setting a non-MII autosense; check for that. 5009 */ 5010 if (tm == NULL) { 5011 #ifdef DIAGNOSTIC 5012 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5013 panic("tlp_2114x_isv_tmsw_set"); 5014 #endif 5015 /* XXX XXX XXX */ 5016 } 5017 5018 /* 5019 * Check to see if we need to reset the chip, and do it. The 5020 * reset path will get the OPMODE register right the next 5021 * time through. 5022 */ 5023 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5024 return (tlp_init(&sc->sc_ethercom.ec_if)); 5025 5026 return ((*tm->tm_set)(sc)); 5027 } 5028 5029 /* 5030 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5031 */ 5032 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5033 5034 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5035 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5036 }; 5037 5038 void 5039 tlp_sio_mii_tmsw_init(sc) 5040 struct tulip_softc *sc; 5041 { 5042 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5043 5044 /* 5045 * We don't attach any media info structures to the ifmedia 5046 * entries, so if we're using a pre-init function that needs 5047 * that info, override it to one that doesn't. 5048 */ 5049 if (sc->sc_preinit == tlp_2114x_preinit) 5050 sc->sc_preinit = tlp_2114x_mii_preinit; 5051 5052 sc->sc_mii.mii_ifp = ifp; 5053 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5054 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5055 sc->sc_mii.mii_statchg = sc->sc_statchg; 5056 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5057 tlp_mediastatus); 5058 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5059 MII_OFFSET_ANY, 0); 5060 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5061 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5062 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5063 } else { 5064 sc->sc_flags |= TULIPF_HAS_MII; 5065 sc->sc_tick = tlp_mii_tick; 5066 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5067 } 5068 } 5069 5070 /* 5071 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5072 */ 5073 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5074 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5075 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5076 5077 const struct tulip_mediasw tlp_pnic_mediasw = { 5078 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5079 }; 5080 5081 void tlp_pnic_nway_statchg __P((struct device *)); 5082 void tlp_pnic_nway_tick __P((void *)); 5083 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5084 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5085 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5086 void tlp_pnic_nway_auto_timeout __P((void *)); 5087 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5088 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5089 5090 void 5091 tlp_pnic_tmsw_init(sc) 5092 struct tulip_softc *sc; 5093 { 5094 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5095 const char *sep = ""; 5096 5097 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5098 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5099 5100 sc->sc_mii.mii_ifp = ifp; 5101 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5102 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5103 sc->sc_mii.mii_statchg = sc->sc_statchg; 5104 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5105 tlp_mediastatus); 5106 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5107 MII_OFFSET_ANY, 0); 5108 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5109 /* XXX What about AUI/BNC support? */ 5110 printf("%s: ", sc->sc_dev.dv_xname); 5111 5112 tlp_pnic_nway_reset(sc); 5113 5114 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5115 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5116 PRINT("10baseT"); 5117 5118 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5119 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5120 PRINT("10baseT-FDX"); 5121 5122 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5123 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5124 PRINT("100baseTX"); 5125 5126 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5127 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5128 PNIC_NWAY_CAP100TXFDX); 5129 PRINT("100baseTX-FDX"); 5130 5131 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5132 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5133 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5134 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5135 PRINT("auto"); 5136 5137 printf("\n"); 5138 5139 sc->sc_statchg = tlp_pnic_nway_statchg; 5140 sc->sc_tick = tlp_pnic_nway_tick; 5141 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5142 } else { 5143 sc->sc_flags |= TULIPF_HAS_MII; 5144 sc->sc_tick = tlp_mii_tick; 5145 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5146 } 5147 5148 #undef ADD 5149 #undef PRINT 5150 } 5151 5152 void 5153 tlp_pnic_tmsw_get(sc, ifmr) 5154 struct tulip_softc *sc; 5155 struct ifmediareq *ifmr; 5156 { 5157 struct mii_data *mii = &sc->sc_mii; 5158 5159 if (sc->sc_flags & TULIPF_HAS_MII) 5160 tlp_mii_getmedia(sc, ifmr); 5161 else { 5162 mii->mii_media_status = 0; 5163 mii->mii_media_active = IFM_NONE; 5164 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5165 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5166 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5167 } 5168 } 5169 5170 int 5171 tlp_pnic_tmsw_set(sc) 5172 struct tulip_softc *sc; 5173 { 5174 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5175 struct mii_data *mii = &sc->sc_mii; 5176 5177 if (sc->sc_flags & TULIPF_HAS_MII) { 5178 /* 5179 * Make sure the built-in Tx jabber timer is disabled. 5180 */ 5181 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5182 5183 return (tlp_mii_setmedia(sc)); 5184 } 5185 5186 if (ifp->if_flags & IFF_UP) { 5187 mii->mii_media_status = 0; 5188 mii->mii_media_active = IFM_NONE; 5189 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5190 } 5191 5192 return (0); 5193 } 5194 5195 void 5196 tlp_pnic_nway_statchg(self) 5197 struct device *self; 5198 { 5199 struct tulip_softc *sc = (struct tulip_softc *)self; 5200 5201 /* Idle the transmit and receive processes. */ 5202 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5203 5204 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5205 OPMODE_SCR|OPMODE_HBD); 5206 5207 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5208 sc->sc_opmode |= OPMODE_TTM; 5209 TULIP_WRITE(sc, CSR_GPP, 5210 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5211 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5212 } else { 5213 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5214 TULIP_WRITE(sc, CSR_GPP, 5215 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5216 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5217 } 5218 5219 if (sc->sc_mii.mii_media_active & IFM_FDX) 5220 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5221 5222 /* 5223 * Write new OPMODE bits. This also restarts the transmit 5224 * and receive processes. 5225 */ 5226 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5227 } 5228 5229 void 5230 tlp_pnic_nway_tick(arg) 5231 void *arg; 5232 { 5233 struct tulip_softc *sc = arg; 5234 int s; 5235 5236 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5237 return; 5238 5239 s = splnet(); 5240 tlp_pnic_nway_service(sc, MII_TICK); 5241 splx(s); 5242 5243 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5244 } 5245 5246 /* 5247 * Support for the Lite-On PNIC internal NWay block. This is constructed 5248 * somewhat like a PHY driver for simplicity. 5249 */ 5250 5251 int 5252 tlp_pnic_nway_service(sc, cmd) 5253 struct tulip_softc *sc; 5254 int cmd; 5255 { 5256 struct mii_data *mii = &sc->sc_mii; 5257 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5258 5259 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5260 return (0); 5261 5262 switch (cmd) { 5263 case MII_POLLSTAT: 5264 /* Nothing special to do here. */ 5265 break; 5266 5267 case MII_MEDIACHG: 5268 switch (IFM_SUBTYPE(ife->ifm_media)) { 5269 case IFM_AUTO: 5270 (void) tlp_pnic_nway_auto(sc, 1); 5271 break; 5272 case IFM_100_T4: 5273 /* 5274 * XXX Not supported as a manual setting right now. 5275 */ 5276 return (EINVAL); 5277 default: 5278 /* 5279 * NWAY register data is stored in the ifmedia entry. 5280 */ 5281 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5282 } 5283 break; 5284 5285 case MII_TICK: 5286 /* 5287 * Only used for autonegotiation. 5288 */ 5289 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5290 return (0); 5291 5292 /* 5293 * Check to see if we have link. If we do, we don't 5294 * need to restart the autonegotiation process. 5295 */ 5296 if (sc->sc_flags & TULIPF_LINK_UP) 5297 return (0); 5298 5299 /* 5300 * Only retry autonegotiation every 5 seconds. 5301 */ 5302 if (++sc->sc_nway_ticks != 5) 5303 return (0); 5304 5305 sc->sc_nway_ticks = 0; 5306 tlp_pnic_nway_reset(sc); 5307 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5308 return (0); 5309 break; 5310 } 5311 5312 /* Update the media status. */ 5313 tlp_pnic_nway_status(sc); 5314 5315 /* Callback if something changed. */ 5316 if ((sc->sc_nway_active == NULL || 5317 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5318 cmd == MII_MEDIACHG) { 5319 (*sc->sc_statchg)(&sc->sc_dev); 5320 tlp_nway_activate(sc, mii->mii_media_active); 5321 } 5322 return (0); 5323 } 5324 5325 void 5326 tlp_pnic_nway_reset(sc) 5327 struct tulip_softc *sc; 5328 { 5329 5330 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5331 delay(100); 5332 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5333 } 5334 5335 int 5336 tlp_pnic_nway_auto(sc, waitfor) 5337 struct tulip_softc *sc; 5338 int waitfor; 5339 { 5340 struct mii_data *mii = &sc->sc_mii; 5341 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5342 u_int32_t reg; 5343 int i; 5344 5345 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5346 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5347 5348 if (waitfor) { 5349 /* Wait 500ms for it to complete. */ 5350 for (i = 0; i < 500; i++) { 5351 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5352 if (reg & PNIC_NWAY_LPAR_MASK) { 5353 tlp_pnic_nway_acomp(sc); 5354 return (0); 5355 } 5356 delay(1000); 5357 } 5358 #if 0 5359 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5360 printf("%s: autonegotiation failed to complete\n", 5361 sc->sc_dev.dv_xname); 5362 #endif 5363 5364 /* 5365 * Don't need to worry about clearing DOINGAUTO. 5366 * If that's set, a timeout is pending, and it will 5367 * clear the flag. 5368 */ 5369 return (EIO); 5370 } 5371 5372 /* 5373 * Just let it finish asynchronously. This is for the benefit of 5374 * the tick handler driving autonegotiation. Don't want 500ms 5375 * delays all the time while the system is running! 5376 */ 5377 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5378 sc->sc_flags |= TULIPF_DOINGAUTO; 5379 callout_reset(&sc->sc_nway_callout, hz >> 1, 5380 tlp_pnic_nway_auto_timeout, sc); 5381 } 5382 return (EJUSTRETURN); 5383 } 5384 5385 void 5386 tlp_pnic_nway_auto_timeout(arg) 5387 void *arg; 5388 { 5389 struct tulip_softc *sc = arg; 5390 u_int32_t reg; 5391 int s; 5392 5393 s = splnet(); 5394 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5395 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5396 #if 0 5397 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5398 printf("%s: autonegotiation failed to complete\n", 5399 sc->sc_dev.dv_xname); 5400 #endif 5401 5402 tlp_pnic_nway_acomp(sc); 5403 5404 /* Update the media status. */ 5405 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5406 splx(s); 5407 } 5408 5409 void 5410 tlp_pnic_nway_status(sc) 5411 struct tulip_softc *sc; 5412 { 5413 struct mii_data *mii = &sc->sc_mii; 5414 u_int32_t reg; 5415 5416 mii->mii_media_status = IFM_AVALID; 5417 mii->mii_media_active = IFM_ETHER; 5418 5419 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5420 5421 if (sc->sc_flags & TULIPF_LINK_UP) 5422 mii->mii_media_status |= IFM_ACTIVE; 5423 5424 if (reg & PNIC_NWAY_NW) { 5425 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5426 /* Erg, still trying, I guess... */ 5427 mii->mii_media_active |= IFM_NONE; 5428 return; 5429 } 5430 5431 #if 0 5432 if (reg & PNIC_NWAY_LPAR100T4) 5433 mii->mii_media_active |= IFM_100_T4; 5434 else 5435 #endif 5436 if (reg & PNIC_NWAY_LPAR100TXFDX) 5437 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5438 else if (reg & PNIC_NWAY_LPAR100TX) 5439 mii->mii_media_active |= IFM_100_TX; 5440 else if (reg & PNIC_NWAY_LPAR10TFDX) 5441 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5442 else if (reg & PNIC_NWAY_LPAR10T) 5443 mii->mii_media_active |= IFM_10_T; 5444 else 5445 mii->mii_media_active |= IFM_NONE; 5446 } else { 5447 if (reg & PNIC_NWAY_100) 5448 mii->mii_media_active |= IFM_100_TX; 5449 else 5450 mii->mii_media_active |= IFM_10_T; 5451 if (reg & PNIC_NWAY_FD) 5452 mii->mii_media_active |= IFM_FDX; 5453 } 5454 } 5455 5456 void 5457 tlp_pnic_nway_acomp(sc) 5458 struct tulip_softc *sc; 5459 { 5460 u_int32_t reg; 5461 5462 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5463 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5464 5465 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5466 reg |= PNIC_NWAY_100; 5467 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5468 reg |= PNIC_NWAY_FD; 5469 5470 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5471 } 5472 5473 /* 5474 * Macronix PMAC and Lite-On PNIC-II media switch: 5475 * 5476 * MX98713 and MX98713A 21140-like MII or GPIO media. 5477 * 5478 * MX98713A 21143-like MII or SIA/SYM media. 5479 * 5480 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5481 * 82C115, MX98715AEC-C, -E 5482 * 5483 * So, what we do here is fake MII-on-SIO or ISV media info, and 5484 * use the ISV media switch get/set functions to handle the rest. 5485 */ 5486 5487 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5488 5489 const struct tulip_mediasw tlp_pmac_mediasw = { 5490 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5491 }; 5492 5493 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5494 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5495 }; 5496 5497 void 5498 tlp_pmac_tmsw_init(sc) 5499 struct tulip_softc *sc; 5500 { 5501 static const u_int8_t media[] = { 5502 TULIP_ROM_MB_MEDIA_TP, 5503 TULIP_ROM_MB_MEDIA_TP_FDX, 5504 TULIP_ROM_MB_MEDIA_100TX, 5505 TULIP_ROM_MB_MEDIA_100TX_FDX, 5506 }; 5507 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5508 5509 sc->sc_mii.mii_ifp = ifp; 5510 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5511 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5512 sc->sc_mii.mii_statchg = sc->sc_statchg; 5513 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5514 tlp_mediastatus); 5515 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5516 sc->sc_chip == TULIP_CHIP_MX98713A) { 5517 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5518 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5519 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5520 sc->sc_flags |= TULIPF_HAS_MII; 5521 sc->sc_tick = tlp_mii_tick; 5522 sc->sc_preinit = tlp_2114x_mii_preinit; 5523 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5524 ifmedia_set(&sc->sc_mii.mii_media, 5525 IFM_ETHER|IFM_AUTO); 5526 return; 5527 } 5528 } 5529 5530 switch (sc->sc_chip) { 5531 case TULIP_CHIP_MX98713: 5532 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5533 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5534 5535 /* 5536 * XXX Should implement auto-sense for this someday, 5537 * XXX when we do the same for the 21140. 5538 */ 5539 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5540 break; 5541 5542 default: 5543 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5544 tlp_sia_get, tlp_sia_set, media, 2); 5545 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5546 tlp_sia_get, tlp_sia_set, media + 2, 2); 5547 5548 /* 5549 * XXX Autonegotiation not yet supported. 5550 */ 5551 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5552 break; 5553 } 5554 5555 tlp_print_media(sc); 5556 tlp_sia_fixup(sc); 5557 5558 /* Set the LED modes. */ 5559 tlp_pmac_reset(sc); 5560 5561 sc->sc_reset = tlp_pmac_reset; 5562 } 5563 5564 /* 5565 * ADMtek AL981 media switch. Only has internal PHY. 5566 */ 5567 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5568 5569 const struct tulip_mediasw tlp_al981_mediasw = { 5570 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5571 }; 5572 5573 void 5574 tlp_al981_tmsw_init(sc) 5575 struct tulip_softc *sc; 5576 { 5577 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5578 5579 sc->sc_mii.mii_ifp = ifp; 5580 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5581 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5582 sc->sc_mii.mii_statchg = sc->sc_statchg; 5583 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5584 tlp_mediastatus); 5585 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5586 MII_OFFSET_ANY, 0); 5587 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5588 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5589 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5590 } else { 5591 sc->sc_flags |= TULIPF_HAS_MII; 5592 sc->sc_tick = tlp_mii_tick; 5593 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5594 } 5595 } 5596 5597 /* 5598 * ADMtek AN983/985 media switch. Only has internal PHY, but 5599 * on an SIO-like interface. Unfortunately, we can't use the 5600 * standard SIO media switch, because the AN985 "ghosts" the 5601 * singly PHY at every address. 5602 */ 5603 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5604 5605 const struct tulip_mediasw tlp_an985_mediasw = { 5606 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5607 }; 5608 5609 void 5610 tlp_an985_tmsw_init(sc) 5611 struct tulip_softc *sc; 5612 { 5613 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5614 5615 sc->sc_mii.mii_ifp = ifp; 5616 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5617 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5618 sc->sc_mii.mii_statchg = sc->sc_statchg; 5619 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5620 tlp_mediastatus); 5621 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5622 MII_OFFSET_ANY, 0); 5623 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5624 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5625 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5626 } else { 5627 sc->sc_flags |= TULIPF_HAS_MII; 5628 sc->sc_tick = tlp_mii_tick; 5629 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5630 } 5631 } 5632 5633 /* 5634 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5635 */ 5636 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5637 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5638 struct ifmediareq *)); 5639 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5640 5641 const struct tulip_mediasw tlp_dm9102_mediasw = { 5642 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5643 tlp_dm9102_tmsw_setmedia 5644 }; 5645 5646 void 5647 tlp_dm9102_tmsw_init(sc) 5648 struct tulip_softc *sc; 5649 { 5650 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5651 u_int32_t opmode; 5652 5653 sc->sc_mii.mii_ifp = ifp; 5654 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5655 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5656 sc->sc_mii.mii_statchg = sc->sc_statchg; 5657 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5658 tlp_mediastatus); 5659 5660 /* PHY block already reset via tlp_reset(). */ 5661 5662 /* 5663 * Configure OPMODE properly for the internal MII interface. 5664 */ 5665 switch (sc->sc_chip) { 5666 case TULIP_CHIP_DM9102: 5667 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5668 break; 5669 5670 case TULIP_CHIP_DM9102A: 5671 opmode = OPMODE_MBO|OPMODE_HBD; 5672 break; 5673 5674 default: 5675 /* Nothing. */ 5676 break; 5677 } 5678 5679 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5680 5681 /* Now, probe the internal MII for the internal PHY. */ 5682 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5683 MII_OFFSET_ANY, 0); 5684 5685 /* 5686 * XXX Figure out what to do about the HomePNA portion 5687 * XXX of the DM9102A. 5688 */ 5689 5690 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5691 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5692 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5693 } else { 5694 sc->sc_flags |= TULIPF_HAS_MII; 5695 sc->sc_tick = tlp_mii_tick; 5696 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5697 } 5698 } 5699 5700 void 5701 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5702 struct tulip_softc *sc; 5703 struct ifmediareq *ifmr; 5704 { 5705 5706 /* XXX HomePNA on DM9102A. */ 5707 tlp_mii_getmedia(sc, ifmr); 5708 } 5709 5710 int 5711 tlp_dm9102_tmsw_setmedia(sc) 5712 struct tulip_softc *sc; 5713 { 5714 5715 /* XXX HomePNA on DM9102A. */ 5716 return (tlp_mii_setmedia(sc)); 5717 } 5718
Indexes created Fri Sep 26 08:10:20 GMT 2025