1 /* $NetBSD: tulip.c,v 1.127 2004/07/02 19:53:31 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center; and by Charles M. Hannum. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.127 2004/07/02 19:53:31 mycroft Exp $"); 47 48 #include "bpfilter.h" 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/callout.h> 53 #include <sys/mbuf.h> 54 #include <sys/malloc.h> 55 #include <sys/kernel.h> 56 #include <sys/socket.h> 57 #include <sys/ioctl.h> 58 #include <sys/errno.h> 59 #include <sys/device.h> 60 61 #include <machine/endian.h> 62 63 #include <uvm/uvm_extern.h> 64 65 #include <net/if.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 #include <net/if_ether.h> 69 70 #if NBPFILTER > 0 71 #include <net/bpf.h> 72 #endif 73 74 #include <machine/bus.h> 75 #include <machine/intr.h> 76 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 #include <dev/mii/mii_bitbang.h> 80 81 #include <dev/ic/tulipreg.h> 82 #include <dev/ic/tulipvar.h> 83 84 const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; 85 86 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 87 TLP_TXTHRESH_TAB_10; 88 89 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 90 TLP_TXTHRESH_TAB_10_100; 91 92 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 93 TLP_TXTHRESH_TAB_WINB; 94 95 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_DM9102; 97 98 void tlp_start __P((struct ifnet *)); 99 void tlp_watchdog __P((struct ifnet *)); 100 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 101 int tlp_init __P((struct ifnet *)); 102 void tlp_stop __P((struct ifnet *, int)); 103 104 void tlp_shutdown __P((void *)); 105 106 void tlp_rxdrain __P((struct tulip_softc *)); 107 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 108 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 109 void tlp_srom_idle __P((struct tulip_softc *)); 110 int tlp_srom_size __P((struct tulip_softc *)); 111 112 int tlp_enable __P((struct tulip_softc *)); 113 void tlp_disable __P((struct tulip_softc *)); 114 void tlp_power __P((int, void *)); 115 116 void tlp_filter_setup __P((struct tulip_softc *)); 117 void tlp_winb_filter_setup __P((struct tulip_softc *)); 118 void tlp_al981_filter_setup __P((struct tulip_softc *)); 119 120 void tlp_rxintr __P((struct tulip_softc *)); 121 void tlp_txintr __P((struct tulip_softc *)); 122 123 void tlp_mii_tick __P((void *)); 124 void tlp_mii_statchg __P((struct device *)); 125 void tlp_winb_mii_statchg __P((struct device *)); 126 void tlp_dm9102_mii_statchg __P((struct device *)); 127 128 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 129 int tlp_mii_setmedia __P((struct tulip_softc *)); 130 131 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 132 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 133 134 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 135 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 136 137 int tlp_al981_mii_readreg __P((struct device *, int, int)); 138 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 139 140 void tlp_2114x_preinit __P((struct tulip_softc *)); 141 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 142 void tlp_pnic_preinit __P((struct tulip_softc *)); 143 void tlp_dm9102_preinit __P((struct tulip_softc *)); 144 145 void tlp_21140_reset __P((struct tulip_softc *)); 146 void tlp_21142_reset __P((struct tulip_softc *)); 147 void tlp_pmac_reset __P((struct tulip_softc *)); 148 void tlp_dm9102_reset __P((struct tulip_softc *)); 149 150 void tlp_2114x_nway_tick __P((void *)); 151 152 #define tlp_mchash(addr, sz) \ 153 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 154 155 /* 156 * MII bit-bang glue. 157 */ 158 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 159 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 160 161 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 162 tlp_sio_mii_bitbang_read, 163 tlp_sio_mii_bitbang_write, 164 { 165 MIIROM_MDO, /* MII_BIT_MDO */ 166 MIIROM_MDI, /* MII_BIT_MDI */ 167 MIIROM_MDC, /* MII_BIT_MDC */ 168 0, /* MII_BIT_DIR_HOST_PHY */ 169 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 170 } 171 }; 172 173 #ifdef TLP_DEBUG 174 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 175 printf x 176 #else 177 #define DPRINTF(sc, x) /* nothing */ 178 #endif 179 180 #ifdef TLP_STATS 181 void tlp_print_stats __P((struct tulip_softc *)); 182 #endif 183 184 /* 185 * Can be used to debug the SROM-related things, including contents. 186 * Initialized so that it's patchable. 187 */ 188 int tlp_srom_debug = 0; 189 190 /* 191 * tlp_attach: 192 * 193 * Attach a Tulip interface to the system. 194 */ 195 void 196 tlp_attach(sc, enaddr) 197 struct tulip_softc *sc; 198 const u_int8_t *enaddr; 199 { 200 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 201 int i, error; 202 203 callout_init(&sc->sc_nway_callout); 204 callout_init(&sc->sc_tick_callout); 205 206 /* 207 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 208 */ 209 210 /* 211 * Setup the transmit threshold table. 212 */ 213 switch (sc->sc_chip) { 214 case TULIP_CHIP_DE425: 215 case TULIP_CHIP_21040: 216 case TULIP_CHIP_21041: 217 sc->sc_txth = tlp_10_txthresh_tab; 218 break; 219 220 case TULIP_CHIP_DM9102: 221 case TULIP_CHIP_DM9102A: 222 sc->sc_txth = tlp_dm9102_txthresh_tab; 223 break; 224 225 default: 226 sc->sc_txth = tlp_10_100_txthresh_tab; 227 break; 228 } 229 230 /* 231 * Setup the filter setup function. 232 */ 233 switch (sc->sc_chip) { 234 case TULIP_CHIP_WB89C840F: 235 sc->sc_filter_setup = tlp_winb_filter_setup; 236 break; 237 238 case TULIP_CHIP_AL981: 239 case TULIP_CHIP_AN983: 240 case TULIP_CHIP_AN985: 241 sc->sc_filter_setup = tlp_al981_filter_setup; 242 break; 243 244 default: 245 sc->sc_filter_setup = tlp_filter_setup; 246 break; 247 } 248 249 /* 250 * Set up the media status change function. 251 */ 252 switch (sc->sc_chip) { 253 case TULIP_CHIP_WB89C840F: 254 sc->sc_statchg = tlp_winb_mii_statchg; 255 break; 256 257 case TULIP_CHIP_DM9102: 258 case TULIP_CHIP_DM9102A: 259 sc->sc_statchg = tlp_dm9102_mii_statchg; 260 break; 261 262 default: 263 /* 264 * We may override this if we have special media 265 * handling requirements (e.g. flipping GPIO pins). 266 * 267 * The pure-MII statchg function covers the basics. 268 */ 269 sc->sc_statchg = tlp_mii_statchg; 270 break; 271 } 272 273 /* 274 * Default to no FS|LS in setup packet descriptors. They're 275 * supposed to be zero according to the 21040 and 21143 276 * manuals, and some chips fall over badly if they're 277 * included. Yet, other chips seem to require them. Sigh. 278 */ 279 switch (sc->sc_chip) { 280 case TULIP_CHIP_X3201_3: 281 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 282 break; 283 284 default: 285 sc->sc_setup_fsls = 0; 286 } 287 288 /* 289 * Set up various chip-specific quirks. 290 * 291 * Note that wherever we can, we use the "ring" option for 292 * transmit and receive descriptors. This is because some 293 * clone chips apparently have problems when using chaining, 294 * although some *only* support chaining. 295 * 296 * What we do is always program the "next" pointer, and then 297 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 298 * appropriate places. 299 */ 300 switch (sc->sc_chip) { 301 case TULIP_CHIP_21140: 302 case TULIP_CHIP_21140A: 303 case TULIP_CHIP_21142: 304 case TULIP_CHIP_21143: 305 case TULIP_CHIP_82C115: /* 21143-like */ 306 case TULIP_CHIP_MX98713: /* 21140-like */ 307 case TULIP_CHIP_MX98713A: /* 21143-like */ 308 case TULIP_CHIP_MX98715: /* 21143-like */ 309 case TULIP_CHIP_MX98715A: /* 21143-like */ 310 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 311 case TULIP_CHIP_MX98725: /* 21143-like */ 312 /* 313 * Run these chips in ring mode. 314 */ 315 sc->sc_tdctl_ch = 0; 316 sc->sc_tdctl_er = TDCTL_ER; 317 sc->sc_preinit = tlp_2114x_preinit; 318 break; 319 320 case TULIP_CHIP_82C168: 321 case TULIP_CHIP_82C169: 322 /* 323 * Run these chips in ring mode. 324 */ 325 sc->sc_tdctl_ch = 0; 326 sc->sc_tdctl_er = TDCTL_ER; 327 sc->sc_preinit = tlp_pnic_preinit; 328 329 /* 330 * These chips seem to have busted DMA engines; just put them 331 * in Store-and-Forward mode from the get-go. 332 */ 333 sc->sc_txthresh = TXTH_SF; 334 break; 335 336 case TULIP_CHIP_WB89C840F: 337 /* 338 * Run this chip in chained mode. 339 */ 340 sc->sc_tdctl_ch = TDCTL_CH; 341 sc->sc_tdctl_er = 0; 342 sc->sc_flags |= TULIPF_IC_FS; 343 break; 344 345 case TULIP_CHIP_DM9102: 346 case TULIP_CHIP_DM9102A: 347 /* 348 * Run these chips in chained mode. 349 */ 350 sc->sc_tdctl_ch = TDCTL_CH; 351 sc->sc_tdctl_er = 0; 352 sc->sc_preinit = tlp_dm9102_preinit; 353 354 /* 355 * These chips have a broken bus interface, so we 356 * can't use any optimized bus commands. For this 357 * reason, we tend to underrun pretty quickly, so 358 * just to Store-and-Forward mode from the get-go. 359 */ 360 sc->sc_txthresh = TXTH_DM9102_SF; 361 break; 362 363 default: 364 /* 365 * Default to running in ring mode. 366 */ 367 sc->sc_tdctl_ch = 0; 368 sc->sc_tdctl_er = TDCTL_ER; 369 } 370 371 /* 372 * Set up the MII bit-bang operations. 373 */ 374 switch (sc->sc_chip) { 375 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 376 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 377 break; 378 379 default: 380 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 381 } 382 383 SIMPLEQ_INIT(&sc->sc_txfreeq); 384 SIMPLEQ_INIT(&sc->sc_txdirtyq); 385 386 /* 387 * Allocate the control data structures, and create and load the 388 * DMA map for it. 389 */ 390 if ((error = bus_dmamem_alloc(sc->sc_dmat, 391 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 392 1, &sc->sc_cdnseg, 0)) != 0) { 393 printf("%s: unable to allocate control data, error = %d\n", 394 sc->sc_dev.dv_xname, error); 395 goto fail_0; 396 } 397 398 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 399 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 400 BUS_DMA_COHERENT)) != 0) { 401 printf("%s: unable to map control data, error = %d\n", 402 sc->sc_dev.dv_xname, error); 403 goto fail_1; 404 } 405 406 if ((error = bus_dmamap_create(sc->sc_dmat, 407 sizeof(struct tulip_control_data), 1, 408 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 409 printf("%s: unable to create control data DMA map, " 410 "error = %d\n", sc->sc_dev.dv_xname, error); 411 goto fail_2; 412 } 413 414 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 415 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 416 0)) != 0) { 417 printf("%s: unable to load control data DMA map, error = %d\n", 418 sc->sc_dev.dv_xname, error); 419 goto fail_3; 420 } 421 422 /* 423 * Create the transmit buffer DMA maps. 424 * 425 * Note that on the Xircom clone, transmit buffers must be 426 * 4-byte aligned. We're almost guaranteed to have to copy 427 * the packet in that case, so we just limit ourselves to 428 * one segment. 429 * 430 * On the DM9102, the transmit logic can only handle one 431 * DMA segment. 432 */ 433 switch (sc->sc_chip) { 434 case TULIP_CHIP_X3201_3: 435 case TULIP_CHIP_DM9102: 436 case TULIP_CHIP_DM9102A: 437 sc->sc_ntxsegs = 1; 438 break; 439 440 default: 441 sc->sc_ntxsegs = TULIP_NTXSEGS; 442 } 443 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 444 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 445 sc->sc_ntxsegs, MCLBYTES, 0, 0, 446 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 447 printf("%s: unable to create tx DMA map %d, " 448 "error = %d\n", sc->sc_dev.dv_xname, i, error); 449 goto fail_4; 450 } 451 } 452 453 /* 454 * Create the receive buffer DMA maps. 455 */ 456 for (i = 0; i < TULIP_NRXDESC; i++) { 457 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 458 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 459 printf("%s: unable to create rx DMA map %d, " 460 "error = %d\n", sc->sc_dev.dv_xname, i, error); 461 goto fail_5; 462 } 463 sc->sc_rxsoft[i].rxs_mbuf = NULL; 464 } 465 466 /* 467 * From this point forward, the attachment cannot fail. A failure 468 * before this point releases all resources that may have been 469 * allocated. 470 */ 471 sc->sc_flags |= TULIPF_ATTACHED; 472 473 /* 474 * Reset the chip to a known state. 475 */ 476 tlp_reset(sc); 477 478 /* Announce ourselves. */ 479 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 480 sc->sc_name[0] != '\0' ? sc->sc_name : "", 481 sc->sc_name[0] != '\0' ? ", " : "", 482 ether_sprintf(enaddr)); 483 484 /* 485 * Check to see if we're the simulated Ethernet on Connectix 486 * Virtual PC. 487 */ 488 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) 489 sc->sc_flags |= TULIPF_VPC; 490 491 /* 492 * Initialize our media structures. This may probe the MII, if 493 * present. 494 */ 495 (*sc->sc_mediasw->tmsw_init)(sc); 496 497 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 498 ifp->if_softc = sc; 499 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 500 ifp->if_ioctl = tlp_ioctl; 501 ifp->if_start = tlp_start; 502 ifp->if_watchdog = tlp_watchdog; 503 ifp->if_init = tlp_init; 504 ifp->if_stop = tlp_stop; 505 IFQ_SET_READY(&ifp->if_snd); 506 507 /* 508 * We can support 802.1Q VLAN-sized frames. 509 */ 510 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 511 512 /* 513 * Attach the interface. 514 */ 515 if_attach(ifp); 516 ether_ifattach(ifp, enaddr); 517 #if NRND > 0 518 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 519 RND_TYPE_NET, 0); 520 #endif 521 522 /* 523 * Make sure the interface is shutdown during reboot. 524 */ 525 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 526 if (sc->sc_sdhook == NULL) 527 printf("%s: WARNING: unable to establish shutdown hook\n", 528 sc->sc_dev.dv_xname); 529 530 /* 531 * Add a suspend hook to make sure we come back up after a 532 * resume. 533 */ 534 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 535 if (sc->sc_powerhook == NULL) 536 printf("%s: WARNING: unable to establish power hook\n", 537 sc->sc_dev.dv_xname); 538 return; 539 540 /* 541 * Free any resources we've allocated during the failed attach 542 * attempt. Do this in reverse order and fall through. 543 */ 544 fail_5: 545 for (i = 0; i < TULIP_NRXDESC; i++) { 546 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 547 bus_dmamap_destroy(sc->sc_dmat, 548 sc->sc_rxsoft[i].rxs_dmamap); 549 } 550 fail_4: 551 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 552 if (sc->sc_txsoft[i].txs_dmamap != NULL) 553 bus_dmamap_destroy(sc->sc_dmat, 554 sc->sc_txsoft[i].txs_dmamap); 555 } 556 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 557 fail_3: 558 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 559 fail_2: 560 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 561 sizeof(struct tulip_control_data)); 562 fail_1: 563 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 564 fail_0: 565 return; 566 } 567 568 /* 569 * tlp_activate: 570 * 571 * Handle device activation/deactivation requests. 572 */ 573 int 574 tlp_activate(self, act) 575 struct device *self; 576 enum devact act; 577 { 578 struct tulip_softc *sc = (void *) self; 579 int s, error = 0; 580 581 s = splnet(); 582 switch (act) { 583 case DVACT_ACTIVATE: 584 error = EOPNOTSUPP; 585 break; 586 587 case DVACT_DEACTIVATE: 588 if (sc->sc_flags & TULIPF_HAS_MII) 589 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 590 MII_OFFSET_ANY); 591 if_deactivate(&sc->sc_ethercom.ec_if); 592 break; 593 } 594 splx(s); 595 596 return (error); 597 } 598 599 /* 600 * tlp_detach: 601 * 602 * Detach a Tulip interface. 603 */ 604 int 605 tlp_detach(sc) 606 struct tulip_softc *sc; 607 { 608 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 609 struct tulip_rxsoft *rxs; 610 struct tulip_txsoft *txs; 611 int i; 612 613 /* 614 * Succeed now if there isn't any work to do. 615 */ 616 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 617 return (0); 618 619 /* Unhook our tick handler. */ 620 if (sc->sc_tick) 621 callout_stop(&sc->sc_tick_callout); 622 623 if (sc->sc_flags & TULIPF_HAS_MII) { 624 /* Detach all PHYs */ 625 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 626 } 627 628 /* Delete all remaining media. */ 629 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 630 631 #if NRND > 0 632 rnd_detach_source(&sc->sc_rnd_source); 633 #endif 634 ether_ifdetach(ifp); 635 if_detach(ifp); 636 637 for (i = 0; i < TULIP_NRXDESC; i++) { 638 rxs = &sc->sc_rxsoft[i]; 639 if (rxs->rxs_mbuf != NULL) { 640 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 641 m_freem(rxs->rxs_mbuf); 642 rxs->rxs_mbuf = NULL; 643 } 644 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 645 } 646 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 647 txs = &sc->sc_txsoft[i]; 648 if (txs->txs_mbuf != NULL) { 649 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 650 m_freem(txs->txs_mbuf); 651 txs->txs_mbuf = NULL; 652 } 653 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 654 } 655 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 656 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 657 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 658 sizeof(struct tulip_control_data)); 659 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 660 661 shutdownhook_disestablish(sc->sc_sdhook); 662 powerhook_disestablish(sc->sc_powerhook); 663 664 if (sc->sc_srom) 665 free(sc->sc_srom, M_DEVBUF); 666 667 return (0); 668 } 669 670 /* 671 * tlp_shutdown: 672 * 673 * Make sure the interface is stopped at reboot time. 674 */ 675 void 676 tlp_shutdown(arg) 677 void *arg; 678 { 679 struct tulip_softc *sc = arg; 680 681 tlp_stop(&sc->sc_ethercom.ec_if, 1); 682 } 683 684 /* 685 * tlp_start: [ifnet interface function] 686 * 687 * Start packet transmission on the interface. 688 */ 689 void 690 tlp_start(ifp) 691 struct ifnet *ifp; 692 { 693 struct tulip_softc *sc = ifp->if_softc; 694 struct mbuf *m0, *m; 695 struct tulip_txsoft *txs, *last_txs = NULL; 696 bus_dmamap_t dmamap; 697 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 698 699 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 700 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 701 702 /* 703 * If we want a filter setup, it means no more descriptors were 704 * available for the setup routine. Let it get a chance to wedge 705 * itself into the ring. 706 */ 707 if (sc->sc_flags & TULIPF_WANT_SETUP) 708 ifp->if_flags |= IFF_OACTIVE; 709 710 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 711 return; 712 713 if (sc->sc_tick == tlp_2114x_nway_tick && 714 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 715 return; 716 717 /* 718 * Remember the previous number of free descriptors and 719 * the first descriptor we'll use. 720 */ 721 ofree = sc->sc_txfree; 722 firsttx = sc->sc_txnext; 723 724 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 725 sc->sc_dev.dv_xname, ofree, firsttx)); 726 727 /* 728 * Loop through the send queue, setting up transmit descriptors 729 * until we drain the queue, or use up all available transmit 730 * descriptors. 731 */ 732 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 733 sc->sc_txfree != 0) { 734 /* 735 * Grab a packet off the queue. 736 */ 737 IFQ_POLL(&ifp->if_snd, m0); 738 if (m0 == NULL) 739 break; 740 m = NULL; 741 742 dmamap = txs->txs_dmamap; 743 744 /* 745 * Load the DMA map. If this fails, the packet either 746 * didn't fit in the alloted number of segments, or we were 747 * short on resources. In this case, we'll copy and try 748 * again. 749 * 750 * Note that if we're only allowed 1 Tx segment, we 751 * have an alignment restriction. Do this test before 752 * attempting to load the DMA map, because it's more 753 * likely we'll trip the alignment test than the 754 * more-than-one-segment test. 755 */ 756 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 757 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 758 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 759 MGETHDR(m, M_DONTWAIT, MT_DATA); 760 if (m == NULL) { 761 printf("%s: unable to allocate Tx mbuf\n", 762 sc->sc_dev.dv_xname); 763 break; 764 } 765 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 766 if (m0->m_pkthdr.len > MHLEN) { 767 MCLGET(m, M_DONTWAIT); 768 if ((m->m_flags & M_EXT) == 0) { 769 printf("%s: unable to allocate Tx " 770 "cluster\n", sc->sc_dev.dv_xname); 771 m_freem(m); 772 break; 773 } 774 } 775 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 776 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 777 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 778 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 779 if (error) { 780 printf("%s: unable to load Tx buffer, " 781 "error = %d\n", sc->sc_dev.dv_xname, error); 782 break; 783 } 784 } 785 786 /* 787 * Ensure we have enough descriptors free to describe 788 * the packet. 789 */ 790 if (dmamap->dm_nsegs > sc->sc_txfree) { 791 /* 792 * Not enough free descriptors to transmit this 793 * packet. We haven't committed to anything yet, 794 * so just unload the DMA map, put the packet 795 * back on the queue, and punt. Notify the upper 796 * layer that there are no more slots left. 797 * 798 * XXX We could allocate an mbuf and copy, but 799 * XXX it is worth it? 800 */ 801 ifp->if_flags |= IFF_OACTIVE; 802 bus_dmamap_unload(sc->sc_dmat, dmamap); 803 if (m != NULL) 804 m_freem(m); 805 break; 806 } 807 808 IFQ_DEQUEUE(&ifp->if_snd, m0); 809 if (m != NULL) { 810 m_freem(m0); 811 m0 = m; 812 } 813 814 /* 815 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 816 */ 817 818 /* Sync the DMA map. */ 819 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 820 BUS_DMASYNC_PREWRITE); 821 822 /* 823 * Initialize the transmit descriptors. 824 */ 825 for (nexttx = sc->sc_txnext, seg = 0; 826 seg < dmamap->dm_nsegs; 827 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 828 /* 829 * If this is the first descriptor we're 830 * enqueueing, don't set the OWN bit just 831 * yet. That could cause a race condition. 832 * We'll do it below. 833 */ 834 sc->sc_txdescs[nexttx].td_status = 835 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 836 sc->sc_txdescs[nexttx].td_bufaddr1 = 837 htole32(dmamap->dm_segs[seg].ds_addr); 838 sc->sc_txdescs[nexttx].td_ctl = 839 htole32((dmamap->dm_segs[seg].ds_len << 840 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 841 (nexttx == (TULIP_NTXDESC - 1) ? 842 sc->sc_tdctl_er : 0)); 843 lasttx = nexttx; 844 } 845 846 KASSERT(lasttx != -1); 847 848 /* Set `first segment' and `last segment' appropriately. */ 849 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 850 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 851 852 #ifdef TLP_DEBUG 853 if (ifp->if_flags & IFF_DEBUG) { 854 printf(" txsoft %p transmit chain:\n", txs); 855 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 856 printf(" descriptor %d:\n", seg); 857 printf(" td_status: 0x%08x\n", 858 le32toh(sc->sc_txdescs[seg].td_status)); 859 printf(" td_ctl: 0x%08x\n", 860 le32toh(sc->sc_txdescs[seg].td_ctl)); 861 printf(" td_bufaddr1: 0x%08x\n", 862 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 863 printf(" td_bufaddr2: 0x%08x\n", 864 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 865 if (seg == lasttx) 866 break; 867 } 868 } 869 #endif 870 871 /* Sync the descriptors we're using. */ 872 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 873 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 874 875 /* 876 * Store a pointer to the packet so we can free it later, 877 * and remember what txdirty will be once the packet is 878 * done. 879 */ 880 txs->txs_mbuf = m0; 881 txs->txs_firstdesc = sc->sc_txnext; 882 txs->txs_lastdesc = lasttx; 883 txs->txs_ndescs = dmamap->dm_nsegs; 884 885 /* Advance the tx pointer. */ 886 sc->sc_txfree -= dmamap->dm_nsegs; 887 sc->sc_txnext = nexttx; 888 889 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 890 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 891 892 last_txs = txs; 893 894 #if NBPFILTER > 0 895 /* 896 * Pass the packet to any BPF listeners. 897 */ 898 if (ifp->if_bpf) 899 bpf_mtap(ifp->if_bpf, m0); 900 #endif /* NBPFILTER > 0 */ 901 } 902 903 if (txs == NULL || sc->sc_txfree == 0) { 904 /* No more slots left; notify upper layer. */ 905 ifp->if_flags |= IFF_OACTIVE; 906 } 907 908 if (sc->sc_txfree != ofree) { 909 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 910 sc->sc_dev.dv_xname, lasttx, firsttx)); 911 /* 912 * Cause a transmit interrupt to happen on the 913 * last packet we enqueued. 914 */ 915 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 916 TULIP_CDTXSYNC(sc, lasttx, 1, 917 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 918 919 /* 920 * Some clone chips want IC on the *first* segment in 921 * the packet. Appease them. 922 */ 923 KASSERT(last_txs != NULL); 924 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 925 last_txs->txs_firstdesc != lasttx) { 926 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 927 htole32(TDCTL_Tx_IC); 928 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 929 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 930 } 931 932 /* 933 * The entire packet chain is set up. Give the 934 * first descriptor to the chip now. 935 */ 936 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 937 TULIP_CDTXSYNC(sc, firsttx, 1, 938 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 939 940 /* Wake up the transmitter. */ 941 /* XXX USE AUTOPOLLING? */ 942 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 943 944 /* Set a watchdog timer in case the chip flakes out. */ 945 ifp->if_timer = 5; 946 } 947 } 948 949 /* 950 * tlp_watchdog: [ifnet interface function] 951 * 952 * Watchdog timer handler. 953 */ 954 void 955 tlp_watchdog(ifp) 956 struct ifnet *ifp; 957 { 958 struct tulip_softc *sc = ifp->if_softc; 959 int doing_setup, doing_transmit; 960 961 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 962 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 963 964 if (doing_setup && doing_transmit) { 965 printf("%s: filter setup and transmit timeout\n", 966 sc->sc_dev.dv_xname); 967 ifp->if_oerrors++; 968 } else if (doing_transmit) { 969 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 970 ifp->if_oerrors++; 971 } else if (doing_setup) 972 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 973 else 974 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 975 976 (void) tlp_init(ifp); 977 978 /* Try to get more packets going. */ 979 tlp_start(ifp); 980 } 981 982 /* 983 * tlp_ioctl: [ifnet interface function] 984 * 985 * Handle control requests from the operator. 986 */ 987 int 988 tlp_ioctl(ifp, cmd, data) 989 struct ifnet *ifp; 990 u_long cmd; 991 caddr_t data; 992 { 993 struct tulip_softc *sc = ifp->if_softc; 994 struct ifreq *ifr = (struct ifreq *)data; 995 int s, error; 996 997 s = splnet(); 998 999 switch (cmd) { 1000 case SIOCSIFMEDIA: 1001 case SIOCGIFMEDIA: 1002 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1003 break; 1004 1005 default: 1006 error = ether_ioctl(ifp, cmd, data); 1007 if (error == ENETRESET) { 1008 if (TULIP_IS_ENABLED(sc)) { 1009 /* 1010 * Multicast list has changed. Set the 1011 * hardware filter accordingly. 1012 */ 1013 (*sc->sc_filter_setup)(sc); 1014 } 1015 error = 0; 1016 } 1017 break; 1018 } 1019 1020 /* Try to get more packets going. */ 1021 if (TULIP_IS_ENABLED(sc)) 1022 tlp_start(ifp); 1023 1024 splx(s); 1025 return (error); 1026 } 1027 1028 /* 1029 * tlp_intr: 1030 * 1031 * Interrupt service routine. 1032 */ 1033 int 1034 tlp_intr(arg) 1035 void *arg; 1036 { 1037 struct tulip_softc *sc = arg; 1038 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1039 u_int32_t status, rxstatus, txstatus; 1040 int handled = 0, txthresh; 1041 1042 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1043 1044 #ifdef DEBUG 1045 if (TULIP_IS_ENABLED(sc) == 0) 1046 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname); 1047 #endif 1048 1049 /* 1050 * If the interface isn't running, the interrupt couldn't 1051 * possibly have come from us. 1052 */ 1053 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1054 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1055 return (0); 1056 1057 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1058 switch (sc->sc_chip) { 1059 case TULIP_CHIP_DM9102: 1060 case TULIP_CHIP_DM9102A: 1061 TULIP_WRITE(sc, CSR_INTEN, 0); 1062 break; 1063 1064 default: 1065 /* Nothing. */ 1066 break; 1067 } 1068 1069 for (;;) { 1070 status = TULIP_READ(sc, CSR_STATUS); 1071 if (status) 1072 TULIP_WRITE(sc, CSR_STATUS, status); 1073 1074 if ((status & sc->sc_inten) == 0) 1075 break; 1076 1077 handled = 1; 1078 1079 rxstatus = status & sc->sc_rxint_mask; 1080 txstatus = status & sc->sc_txint_mask; 1081 1082 if (rxstatus) { 1083 /* Grab new any new packets. */ 1084 tlp_rxintr(sc); 1085 1086 if (rxstatus & STATUS_RWT) 1087 printf("%s: receive watchdog timeout\n", 1088 sc->sc_dev.dv_xname); 1089 1090 if (rxstatus & STATUS_RU) { 1091 printf("%s: receive ring overrun\n", 1092 sc->sc_dev.dv_xname); 1093 /* Get the receive process going again. */ 1094 if (sc->sc_tdctl_er != TDCTL_ER) { 1095 tlp_idle(sc, OPMODE_SR); 1096 TULIP_WRITE(sc, CSR_RXLIST, 1097 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1098 TULIP_WRITE(sc, CSR_OPMODE, 1099 sc->sc_opmode); 1100 } 1101 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1102 break; 1103 } 1104 } 1105 1106 if (txstatus) { 1107 /* Sweep up transmit descriptors. */ 1108 tlp_txintr(sc); 1109 1110 if (txstatus & STATUS_TJT) 1111 printf("%s: transmit jabber timeout\n", 1112 sc->sc_dev.dv_xname); 1113 1114 if (txstatus & STATUS_UNF) { 1115 /* 1116 * Increase our transmit threshold if 1117 * another is available. 1118 */ 1119 txthresh = sc->sc_txthresh + 1; 1120 if (sc->sc_txth[txthresh].txth_name != NULL) { 1121 /* Idle the transmit process. */ 1122 tlp_idle(sc, OPMODE_ST); 1123 1124 sc->sc_txthresh = txthresh; 1125 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1126 sc->sc_opmode |= 1127 sc->sc_txth[txthresh].txth_opmode; 1128 printf("%s: transmit underrun; new " 1129 "threshold: %s\n", 1130 sc->sc_dev.dv_xname, 1131 sc->sc_txth[txthresh].txth_name); 1132 1133 /* 1134 * Set the new threshold and restart 1135 * the transmit process. 1136 */ 1137 TULIP_WRITE(sc, CSR_OPMODE, 1138 sc->sc_opmode); 1139 } 1140 /* 1141 * XXX Log every Nth underrun from 1142 * XXX now on? 1143 */ 1144 } 1145 } 1146 1147 if (status & (STATUS_TPS|STATUS_RPS)) { 1148 if (status & STATUS_TPS) 1149 printf("%s: transmit process stopped\n", 1150 sc->sc_dev.dv_xname); 1151 if (status & STATUS_RPS) 1152 printf("%s: receive process stopped\n", 1153 sc->sc_dev.dv_xname); 1154 (void) tlp_init(ifp); 1155 break; 1156 } 1157 1158 if (status & STATUS_SE) { 1159 const char *str; 1160 switch (status & STATUS_EB) { 1161 case STATUS_EB_PARITY: 1162 str = "parity error"; 1163 break; 1164 1165 case STATUS_EB_MABT: 1166 str = "master abort"; 1167 break; 1168 1169 case STATUS_EB_TABT: 1170 str = "target abort"; 1171 break; 1172 1173 default: 1174 str = "unknown error"; 1175 break; 1176 } 1177 printf("%s: fatal system error: %s\n", 1178 sc->sc_dev.dv_xname, str); 1179 (void) tlp_init(ifp); 1180 break; 1181 } 1182 1183 /* 1184 * Not handled: 1185 * 1186 * Transmit buffer unavailable -- normal 1187 * condition, nothing to do, really. 1188 * 1189 * General purpose timer experied -- we don't 1190 * use the general purpose timer. 1191 * 1192 * Early receive interrupt -- not available on 1193 * all chips, we just use RI. We also only 1194 * use single-segment receive DMA, so this 1195 * is mostly useless. 1196 */ 1197 } 1198 1199 /* Bring interrupts back up on the DM9102. */ 1200 switch (sc->sc_chip) { 1201 case TULIP_CHIP_DM9102: 1202 case TULIP_CHIP_DM9102A: 1203 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1204 break; 1205 1206 default: 1207 /* Nothing. */ 1208 break; 1209 } 1210 1211 /* Try to get more packets going. */ 1212 tlp_start(ifp); 1213 1214 #if NRND > 0 1215 if (handled) 1216 rnd_add_uint32(&sc->sc_rnd_source, status); 1217 #endif 1218 return (handled); 1219 } 1220 1221 /* 1222 * tlp_rxintr: 1223 * 1224 * Helper; handle receive interrupts. 1225 */ 1226 void 1227 tlp_rxintr(sc) 1228 struct tulip_softc *sc; 1229 { 1230 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1231 struct ether_header *eh; 1232 struct tulip_rxsoft *rxs; 1233 struct mbuf *m; 1234 u_int32_t rxstat; 1235 int i, len; 1236 1237 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1238 rxs = &sc->sc_rxsoft[i]; 1239 1240 TULIP_CDRXSYNC(sc, i, 1241 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1242 1243 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1244 1245 if (rxstat & TDSTAT_OWN) { 1246 /* 1247 * We have processed all of the receive buffers. 1248 */ 1249 break; 1250 } 1251 1252 /* 1253 * Make sure the packet fit in one buffer. This should 1254 * always be the case. But the Lite-On PNIC, rev 33 1255 * has an awful receive engine bug, which may require 1256 * a very icky work-around. 1257 */ 1258 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1259 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1260 printf("%s: incoming packet spilled, resetting\n", 1261 sc->sc_dev.dv_xname); 1262 (void) tlp_init(ifp); 1263 return; 1264 } 1265 1266 /* 1267 * If any collisions were seen on the wire, count one. 1268 */ 1269 if (rxstat & TDSTAT_Rx_CS) 1270 ifp->if_collisions++; 1271 1272 /* 1273 * If an error occurred, update stats, clear the status 1274 * word, and leave the packet buffer in place. It will 1275 * simply be reused the next time the ring comes around. 1276 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1277 * error. 1278 */ 1279 if (rxstat & TDSTAT_ES && 1280 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1281 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1282 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1283 #define PRINTERR(bit, str) \ 1284 if (rxstat & (bit)) \ 1285 printf("%s: receive error: %s\n", \ 1286 sc->sc_dev.dv_xname, str) 1287 ifp->if_ierrors++; 1288 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1289 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1290 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1291 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1292 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1293 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1294 #undef PRINTERR 1295 TULIP_INIT_RXDESC(sc, i); 1296 continue; 1297 } 1298 1299 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1300 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1301 1302 /* 1303 * No errors; receive the packet. Note the Tulip 1304 * includes the CRC with every packet. 1305 */ 1306 len = TDSTAT_Rx_LENGTH(rxstat); 1307 1308 #ifdef __NO_STRICT_ALIGNMENT 1309 /* 1310 * Allocate a new mbuf cluster. If that fails, we are 1311 * out of memory, and must drop the packet and recycle 1312 * the buffer that's already attached to this descriptor. 1313 */ 1314 m = rxs->rxs_mbuf; 1315 if (tlp_add_rxbuf(sc, i) != 0) { 1316 ifp->if_ierrors++; 1317 TULIP_INIT_RXDESC(sc, i); 1318 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1319 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1320 continue; 1321 } 1322 #else 1323 /* 1324 * The Tulip's receive buffers must be 4-byte aligned. 1325 * But this means that the data after the Ethernet header 1326 * is misaligned. We must allocate a new buffer and 1327 * copy the data, shifted forward 2 bytes. 1328 */ 1329 MGETHDR(m, M_DONTWAIT, MT_DATA); 1330 if (m == NULL) { 1331 dropit: 1332 ifp->if_ierrors++; 1333 TULIP_INIT_RXDESC(sc, i); 1334 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1335 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1336 continue; 1337 } 1338 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1339 if (len > (MHLEN - 2)) { 1340 MCLGET(m, M_DONTWAIT); 1341 if ((m->m_flags & M_EXT) == 0) { 1342 m_freem(m); 1343 goto dropit; 1344 } 1345 } 1346 m->m_data += 2; 1347 1348 /* 1349 * Note that we use clusters for incoming frames, so the 1350 * buffer is virtually contiguous. 1351 */ 1352 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1353 1354 /* Allow the receive descriptor to continue using its mbuf. */ 1355 TULIP_INIT_RXDESC(sc, i); 1356 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1357 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1358 #endif /* __NO_STRICT_ALIGNMENT */ 1359 1360 ifp->if_ipackets++; 1361 eh = mtod(m, struct ether_header *); 1362 m->m_flags |= M_HASFCS; 1363 m->m_pkthdr.rcvif = ifp; 1364 m->m_pkthdr.len = m->m_len = len; 1365 1366 /* 1367 * XXX Work-around for a weird problem with the emulated 1368 * 21041 on Connectix Virtual PC: 1369 * 1370 * When we receive a full-size TCP segment, we seem to get 1371 * a packet there the Rx status says 1522 bytes, yet we do 1372 * not get a frame-too-long error from the chip. The extra 1373 * bytes seem to always be zeros. Perhaps Virtual PC is 1374 * inserting 4 bytes of zeros after every packet. In any 1375 * case, let's try and detect this condition and truncate 1376 * the length so that it will pass up the stack. 1377 */ 1378 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1379 uint16_t etype = ntohs(eh->ether_type); 1380 1381 if (len > ETHER_MAX_FRAME(ifp, etype, 1382 M_HASFCS)) 1383 m->m_pkthdr.len = m->m_len = len = 1384 ETHER_MAX_FRAME(ifp, etype, M_HASFCS); 1385 } 1386 1387 #if NBPFILTER > 0 1388 /* 1389 * Pass this up to any BPF listeners, but only 1390 * pass it up the stack if its for us. 1391 */ 1392 if (ifp->if_bpf) 1393 bpf_mtap(ifp->if_bpf, m); 1394 #endif /* NPBFILTER > 0 */ 1395 1396 /* 1397 * We sometimes have to run the 21140 in Hash-Only 1398 * mode. If we're in that mode, and not in promiscuous 1399 * mode, and we have a unicast packet that isn't for 1400 * us, then drop it. 1401 */ 1402 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1403 (ifp->if_flags & IFF_PROMISC) == 0 && 1404 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1405 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1406 ETHER_ADDR_LEN) != 0) { 1407 m_freem(m); 1408 continue; 1409 } 1410 1411 /* Pass it on. */ 1412 (*ifp->if_input)(ifp, m); 1413 } 1414 1415 /* Update the receive pointer. */ 1416 sc->sc_rxptr = i; 1417 } 1418 1419 /* 1420 * tlp_txintr: 1421 * 1422 * Helper; handle transmit interrupts. 1423 */ 1424 void 1425 tlp_txintr(sc) 1426 struct tulip_softc *sc; 1427 { 1428 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1429 struct tulip_txsoft *txs; 1430 u_int32_t txstat; 1431 1432 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1433 sc->sc_dev.dv_xname, sc->sc_flags)); 1434 1435 ifp->if_flags &= ~IFF_OACTIVE; 1436 1437 /* 1438 * Go through our Tx list and free mbufs for those 1439 * frames that have been transmitted. 1440 */ 1441 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1442 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1443 txs->txs_ndescs, 1444 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1445 1446 #ifdef TLP_DEBUG 1447 if (ifp->if_flags & IFF_DEBUG) { 1448 int i; 1449 printf(" txsoft %p transmit chain:\n", txs); 1450 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1451 printf(" descriptor %d:\n", i); 1452 printf(" td_status: 0x%08x\n", 1453 le32toh(sc->sc_txdescs[i].td_status)); 1454 printf(" td_ctl: 0x%08x\n", 1455 le32toh(sc->sc_txdescs[i].td_ctl)); 1456 printf(" td_bufaddr1: 0x%08x\n", 1457 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1458 printf(" td_bufaddr2: 0x%08x\n", 1459 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1460 if (i == txs->txs_lastdesc) 1461 break; 1462 } 1463 } 1464 #endif 1465 1466 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1467 if (txstat & TDSTAT_OWN) 1468 break; 1469 1470 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1471 1472 sc->sc_txfree += txs->txs_ndescs; 1473 1474 if (txs->txs_mbuf == NULL) { 1475 /* 1476 * If we didn't have an mbuf, it was the setup 1477 * packet. 1478 */ 1479 #ifdef DIAGNOSTIC 1480 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1481 panic("tlp_txintr: null mbuf, not doing setup"); 1482 #endif 1483 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1484 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1485 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1486 continue; 1487 } 1488 1489 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1490 0, txs->txs_dmamap->dm_mapsize, 1491 BUS_DMASYNC_POSTWRITE); 1492 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1493 m_freem(txs->txs_mbuf); 1494 txs->txs_mbuf = NULL; 1495 1496 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1497 1498 /* 1499 * Check for errors and collisions. 1500 */ 1501 #ifdef TLP_STATS 1502 if (txstat & TDSTAT_Tx_UF) 1503 sc->sc_stats.ts_tx_uf++; 1504 if (txstat & TDSTAT_Tx_TO) 1505 sc->sc_stats.ts_tx_to++; 1506 if (txstat & TDSTAT_Tx_EC) 1507 sc->sc_stats.ts_tx_ec++; 1508 if (txstat & TDSTAT_Tx_LC) 1509 sc->sc_stats.ts_tx_lc++; 1510 #endif 1511 1512 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1513 ifp->if_oerrors++; 1514 1515 if (txstat & TDSTAT_Tx_EC) 1516 ifp->if_collisions += 16; 1517 else 1518 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1519 if (txstat & TDSTAT_Tx_LC) 1520 ifp->if_collisions++; 1521 1522 ifp->if_opackets++; 1523 } 1524 1525 /* 1526 * If there are no more pending transmissions, cancel the watchdog 1527 * timer. 1528 */ 1529 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1530 ifp->if_timer = 0; 1531 1532 /* 1533 * If we have a receive filter setup pending, do it now. 1534 */ 1535 if (sc->sc_flags & TULIPF_WANT_SETUP) 1536 (*sc->sc_filter_setup)(sc); 1537 } 1538 1539 #ifdef TLP_STATS 1540 void 1541 tlp_print_stats(sc) 1542 struct tulip_softc *sc; 1543 { 1544 1545 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1546 sc->sc_dev.dv_xname, 1547 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1548 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1549 } 1550 #endif 1551 1552 /* 1553 * tlp_reset: 1554 * 1555 * Perform a soft reset on the Tulip. 1556 */ 1557 void 1558 tlp_reset(sc) 1559 struct tulip_softc *sc; 1560 { 1561 int i; 1562 1563 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1564 1565 /* 1566 * Xircom clone doesn't bring itself out of reset automatically. 1567 * Instead, we have to wait at least 50 PCI cycles, and then 1568 * clear SWR. 1569 */ 1570 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1571 delay(10); 1572 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1573 } 1574 1575 for (i = 0; i < 1000; i++) { 1576 /* 1577 * Wait at least 50 PCI cycles for the reset to 1578 * complete before peeking at the Tulip again. 1579 * 10 uSec is a bit longer than 50 PCI cycles 1580 * (at 33MHz), but it doesn't hurt have the extra 1581 * wait. 1582 */ 1583 delay(10); 1584 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1585 break; 1586 } 1587 1588 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1589 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1590 1591 delay(1000); 1592 1593 /* 1594 * If the board has any GPIO reset sequences to issue, do them now. 1595 */ 1596 if (sc->sc_reset != NULL) 1597 (*sc->sc_reset)(sc); 1598 } 1599 1600 /* 1601 * tlp_init: [ ifnet interface function ] 1602 * 1603 * Initialize the interface. Must be called at splnet(). 1604 */ 1605 int 1606 tlp_init(ifp) 1607 struct ifnet *ifp; 1608 { 1609 struct tulip_softc *sc = ifp->if_softc; 1610 struct tulip_txsoft *txs; 1611 struct tulip_rxsoft *rxs; 1612 int i, error = 0; 1613 1614 if ((error = tlp_enable(sc)) != 0) 1615 goto out; 1616 1617 /* 1618 * Cancel any pending I/O. 1619 */ 1620 tlp_stop(ifp, 0); 1621 1622 /* 1623 * Initialize `opmode' to 0, and call the pre-init routine, if 1624 * any. This is required because the 2114x and some of the 1625 * clones require that the media-related bits in `opmode' be 1626 * set before performing a soft-reset in order to get internal 1627 * chip pathways are correct. Yay! 1628 */ 1629 sc->sc_opmode = 0; 1630 if (sc->sc_preinit != NULL) 1631 (*sc->sc_preinit)(sc); 1632 1633 /* 1634 * Reset the Tulip to a known state. 1635 */ 1636 tlp_reset(sc); 1637 1638 /* 1639 * Initialize the BUSMODE register. 1640 */ 1641 sc->sc_busmode = BUSMODE_BAR; 1642 switch (sc->sc_chip) { 1643 case TULIP_CHIP_21140: 1644 case TULIP_CHIP_21140A: 1645 case TULIP_CHIP_21142: 1646 case TULIP_CHIP_21143: 1647 case TULIP_CHIP_82C115: 1648 case TULIP_CHIP_MX98725: 1649 /* 1650 * If we're allowed to do so, use Memory Read Line 1651 * and Memory Read Multiple. 1652 * 1653 * XXX Should we use Memory Write and Invalidate? 1654 */ 1655 if (sc->sc_flags & TULIPF_MRL) 1656 sc->sc_busmode |= BUSMODE_RLE; 1657 if (sc->sc_flags & TULIPF_MRM) 1658 sc->sc_busmode |= BUSMODE_RME; 1659 #if 0 1660 if (sc->sc_flags & TULIPF_MWI) 1661 sc->sc_busmode |= BUSMODE_WLE; 1662 #endif 1663 break; 1664 1665 case TULIP_CHIP_82C168: 1666 case TULIP_CHIP_82C169: 1667 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1668 if (sc->sc_maxburst == 0) 1669 sc->sc_maxburst = 16; 1670 break; 1671 1672 default: 1673 /* Nothing. */ 1674 break; 1675 } 1676 switch (sc->sc_cacheline) { 1677 default: 1678 /* 1679 * Note: We must *always* set these bits; a cache 1680 * alignment of 0 is RESERVED. 1681 */ 1682 case 8: 1683 sc->sc_busmode |= BUSMODE_CAL_8LW; 1684 break; 1685 case 16: 1686 sc->sc_busmode |= BUSMODE_CAL_16LW; 1687 break; 1688 case 32: 1689 sc->sc_busmode |= BUSMODE_CAL_32LW; 1690 break; 1691 } 1692 switch (sc->sc_maxburst) { 1693 case 1: 1694 sc->sc_busmode |= BUSMODE_PBL_1LW; 1695 break; 1696 case 2: 1697 sc->sc_busmode |= BUSMODE_PBL_2LW; 1698 break; 1699 case 4: 1700 sc->sc_busmode |= BUSMODE_PBL_4LW; 1701 break; 1702 case 8: 1703 sc->sc_busmode |= BUSMODE_PBL_8LW; 1704 break; 1705 case 16: 1706 sc->sc_busmode |= BUSMODE_PBL_16LW; 1707 break; 1708 case 32: 1709 sc->sc_busmode |= BUSMODE_PBL_32LW; 1710 break; 1711 default: 1712 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1713 break; 1714 } 1715 #if BYTE_ORDER == BIG_ENDIAN 1716 /* 1717 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1718 * support them, and even on ones that do, it doesn't 1719 * always work. So we always access descriptors with 1720 * little endian via htole32/le32toh. 1721 */ 1722 #endif 1723 /* 1724 * Big-endian bus requires BUSMODE_BLE anyway. 1725 * Also, BUSMODE_DBO is needed because we assume 1726 * descriptors are little endian. 1727 */ 1728 if (sc->sc_flags & TULIPF_BLE) 1729 sc->sc_busmode |= BUSMODE_BLE; 1730 if (sc->sc_flags & TULIPF_DBO) 1731 sc->sc_busmode |= BUSMODE_DBO; 1732 1733 /* 1734 * Some chips have a broken bus interface. 1735 */ 1736 switch (sc->sc_chip) { 1737 case TULIP_CHIP_DM9102: 1738 case TULIP_CHIP_DM9102A: 1739 sc->sc_busmode = 0; 1740 break; 1741 1742 default: 1743 /* Nothing. */ 1744 break; 1745 } 1746 1747 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1748 1749 /* 1750 * Initialize the OPMODE register. We don't write it until 1751 * we're ready to begin the transmit and receive processes. 1752 * 1753 * Media-related OPMODE bits are set in the media callbacks 1754 * for each specific chip/board. 1755 */ 1756 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1757 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1758 1759 /* 1760 * Magical mystery initialization on the Macronix chips. 1761 * The MX98713 uses its own magic value, the rest share 1762 * a common one. 1763 */ 1764 switch (sc->sc_chip) { 1765 case TULIP_CHIP_MX98713: 1766 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1767 break; 1768 1769 case TULIP_CHIP_MX98713A: 1770 case TULIP_CHIP_MX98715: 1771 case TULIP_CHIP_MX98715A: 1772 case TULIP_CHIP_MX98715AEC_X: 1773 case TULIP_CHIP_MX98725: 1774 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1775 break; 1776 1777 default: 1778 /* Nothing. */ 1779 break; 1780 } 1781 1782 /* 1783 * Initialize the transmit descriptor ring. 1784 */ 1785 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1786 for (i = 0; i < TULIP_NTXDESC; i++) { 1787 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1788 sc->sc_txdescs[i].td_bufaddr2 = 1789 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1790 } 1791 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1792 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1793 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1794 sc->sc_txfree = TULIP_NTXDESC; 1795 sc->sc_txnext = 0; 1796 1797 /* 1798 * Initialize the transmit job descriptors. 1799 */ 1800 SIMPLEQ_INIT(&sc->sc_txfreeq); 1801 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1802 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1803 txs = &sc->sc_txsoft[i]; 1804 txs->txs_mbuf = NULL; 1805 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1806 } 1807 1808 /* 1809 * Initialize the receive descriptor and receive job 1810 * descriptor rings. 1811 */ 1812 for (i = 0; i < TULIP_NRXDESC; i++) { 1813 rxs = &sc->sc_rxsoft[i]; 1814 if (rxs->rxs_mbuf == NULL) { 1815 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1816 printf("%s: unable to allocate or map rx " 1817 "buffer %d, error = %d\n", 1818 sc->sc_dev.dv_xname, i, error); 1819 /* 1820 * XXX Should attempt to run with fewer receive 1821 * XXX buffers instead of just failing. 1822 */ 1823 tlp_rxdrain(sc); 1824 goto out; 1825 } 1826 } else 1827 TULIP_INIT_RXDESC(sc, i); 1828 } 1829 sc->sc_rxptr = 0; 1830 1831 /* 1832 * Initialize the interrupt mask and enable interrupts. 1833 */ 1834 /* normal interrupts */ 1835 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1836 1837 /* abnormal interrupts */ 1838 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1839 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1840 1841 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1842 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1843 1844 switch (sc->sc_chip) { 1845 case TULIP_CHIP_WB89C840F: 1846 /* 1847 * Clear bits that we don't want that happen to 1848 * overlap or don't exist. 1849 */ 1850 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1851 break; 1852 1853 default: 1854 /* Nothing. */ 1855 break; 1856 } 1857 1858 sc->sc_rxint_mask &= sc->sc_inten; 1859 sc->sc_txint_mask &= sc->sc_inten; 1860 1861 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1862 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1863 1864 /* 1865 * Give the transmit and receive rings to the Tulip. 1866 */ 1867 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1868 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1869 1870 /* 1871 * On chips that do this differently, set the station address. 1872 */ 1873 switch (sc->sc_chip) { 1874 case TULIP_CHIP_WB89C840F: 1875 { 1876 /* XXX Do this with stream writes? */ 1877 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1878 1879 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1880 bus_space_write_1(sc->sc_st, sc->sc_sh, 1881 cpa + i, LLADDR(ifp->if_sadl)[i]); 1882 } 1883 break; 1884 } 1885 1886 case TULIP_CHIP_AL981: 1887 case TULIP_CHIP_AN983: 1888 case TULIP_CHIP_AN985: 1889 { 1890 u_int32_t reg; 1891 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1892 1893 reg = enaddr[0] | 1894 (enaddr[1] << 8) | 1895 (enaddr[2] << 16) | 1896 (enaddr[3] << 24); 1897 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1898 1899 reg = enaddr[4] | 1900 (enaddr[5] << 8); 1901 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1902 } 1903 1904 default: 1905 /* Nothing. */ 1906 break; 1907 } 1908 1909 /* 1910 * Set the receive filter. This will start the transmit and 1911 * receive processes. 1912 */ 1913 (*sc->sc_filter_setup)(sc); 1914 1915 /* 1916 * Set the current media. 1917 */ 1918 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1919 1920 /* 1921 * Start the receive process. 1922 */ 1923 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1924 1925 if (sc->sc_tick != NULL) { 1926 /* Start the one second clock. */ 1927 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1928 } 1929 1930 /* 1931 * Note that the interface is now running. 1932 */ 1933 ifp->if_flags |= IFF_RUNNING; 1934 ifp->if_flags &= ~IFF_OACTIVE; 1935 1936 out: 1937 if (error) { 1938 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1939 ifp->if_timer = 0; 1940 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1941 } 1942 return (error); 1943 } 1944 1945 /* 1946 * tlp_enable: 1947 * 1948 * Enable the Tulip chip. 1949 */ 1950 int 1951 tlp_enable(sc) 1952 struct tulip_softc *sc; 1953 { 1954 1955 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1956 if ((*sc->sc_enable)(sc) != 0) { 1957 printf("%s: device enable failed\n", 1958 sc->sc_dev.dv_xname); 1959 return (EIO); 1960 } 1961 sc->sc_flags |= TULIPF_ENABLED; 1962 } 1963 return (0); 1964 } 1965 1966 /* 1967 * tlp_disable: 1968 * 1969 * Disable the Tulip chip. 1970 */ 1971 void 1972 tlp_disable(sc) 1973 struct tulip_softc *sc; 1974 { 1975 1976 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1977 (*sc->sc_disable)(sc); 1978 sc->sc_flags &= ~TULIPF_ENABLED; 1979 } 1980 } 1981 1982 /* 1983 * tlp_power: 1984 * 1985 * Power management (suspend/resume) hook. 1986 */ 1987 void 1988 tlp_power(why, arg) 1989 int why; 1990 void *arg; 1991 { 1992 struct tulip_softc *sc = arg; 1993 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1994 int s; 1995 1996 s = splnet(); 1997 switch (why) { 1998 case PWR_STANDBY: 1999 /* do nothing! */ 2000 break; 2001 case PWR_SUSPEND: 2002 tlp_stop(ifp, 0); 2003 if (sc->sc_power != NULL) 2004 (*sc->sc_power)(sc, why); 2005 break; 2006 case PWR_RESUME: 2007 if (ifp->if_flags & IFF_UP) { 2008 if (sc->sc_power != NULL) 2009 (*sc->sc_power)(sc, why); 2010 tlp_init(ifp); 2011 } 2012 break; 2013 case PWR_SOFTSUSPEND: 2014 case PWR_SOFTSTANDBY: 2015 case PWR_SOFTRESUME: 2016 break; 2017 } 2018 splx(s); 2019 } 2020 2021 /* 2022 * tlp_rxdrain: 2023 * 2024 * Drain the receive queue. 2025 */ 2026 void 2027 tlp_rxdrain(sc) 2028 struct tulip_softc *sc; 2029 { 2030 struct tulip_rxsoft *rxs; 2031 int i; 2032 2033 for (i = 0; i < TULIP_NRXDESC; i++) { 2034 rxs = &sc->sc_rxsoft[i]; 2035 if (rxs->rxs_mbuf != NULL) { 2036 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2037 m_freem(rxs->rxs_mbuf); 2038 rxs->rxs_mbuf = NULL; 2039 } 2040 } 2041 } 2042 2043 /* 2044 * tlp_stop: [ ifnet interface function ] 2045 * 2046 * Stop transmission on the interface. 2047 */ 2048 void 2049 tlp_stop(ifp, disable) 2050 struct ifnet *ifp; 2051 int disable; 2052 { 2053 struct tulip_softc *sc = ifp->if_softc; 2054 struct tulip_txsoft *txs; 2055 2056 if (sc->sc_tick != NULL) { 2057 /* Stop the one second clock. */ 2058 callout_stop(&sc->sc_tick_callout); 2059 } 2060 2061 if (sc->sc_flags & TULIPF_HAS_MII) { 2062 /* Down the MII. */ 2063 mii_down(&sc->sc_mii); 2064 } 2065 2066 /* Disable interrupts. */ 2067 TULIP_WRITE(sc, CSR_INTEN, 0); 2068 2069 /* Stop the transmit and receive processes. */ 2070 sc->sc_opmode = 0; 2071 TULIP_WRITE(sc, CSR_OPMODE, 0); 2072 TULIP_WRITE(sc, CSR_RXLIST, 0); 2073 TULIP_WRITE(sc, CSR_TXLIST, 0); 2074 2075 /* 2076 * Release any queued transmit buffers. 2077 */ 2078 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2079 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2080 if (txs->txs_mbuf != NULL) { 2081 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2082 m_freem(txs->txs_mbuf); 2083 txs->txs_mbuf = NULL; 2084 } 2085 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2086 } 2087 2088 if (disable) { 2089 tlp_rxdrain(sc); 2090 tlp_disable(sc); 2091 } 2092 2093 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2094 2095 /* 2096 * Mark the interface down and cancel the watchdog timer. 2097 */ 2098 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2099 ifp->if_timer = 0; 2100 2101 /* 2102 * Reset the chip (needed on some flavors to actually disable it). 2103 */ 2104 tlp_reset(sc); 2105 } 2106 2107 #define SROM_EMIT(sc, x) \ 2108 do { \ 2109 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2110 delay(2); \ 2111 } while (0) 2112 2113 /* 2114 * tlp_srom_idle: 2115 * 2116 * Put the SROM in idle state. 2117 */ 2118 void 2119 tlp_srom_idle(sc) 2120 struct tulip_softc *sc; 2121 { 2122 u_int32_t miirom; 2123 int i; 2124 2125 miirom = MIIROM_SR; 2126 SROM_EMIT(sc, miirom); 2127 2128 miirom |= MIIROM_RD; 2129 SROM_EMIT(sc, miirom); 2130 2131 miirom |= MIIROM_SROMCS; 2132 SROM_EMIT(sc, miirom); 2133 2134 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2135 2136 /* Strobe the clock 32 times. */ 2137 for (i = 0; i < 32; i++) { 2138 SROM_EMIT(sc, miirom); 2139 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2140 } 2141 2142 SROM_EMIT(sc, miirom); 2143 2144 miirom &= ~MIIROM_SROMCS; 2145 SROM_EMIT(sc, miirom); 2146 2147 SROM_EMIT(sc, 0); 2148 } 2149 2150 /* 2151 * tlp_srom_size: 2152 * 2153 * Determine the number of address bits in the SROM. 2154 */ 2155 int 2156 tlp_srom_size(sc) 2157 struct tulip_softc *sc; 2158 { 2159 u_int32_t miirom; 2160 int x; 2161 2162 /* Select the SROM. */ 2163 miirom = MIIROM_SR; 2164 SROM_EMIT(sc, miirom); 2165 2166 miirom |= MIIROM_RD; 2167 SROM_EMIT(sc, miirom); 2168 2169 /* Send CHIP SELECT for one clock tick. */ 2170 miirom |= MIIROM_SROMCS; 2171 SROM_EMIT(sc, miirom); 2172 2173 /* Shift in the READ opcode. */ 2174 for (x = 3; x > 0; x--) { 2175 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2176 miirom |= MIIROM_SROMDI; 2177 else 2178 miirom &= ~MIIROM_SROMDI; 2179 SROM_EMIT(sc, miirom); 2180 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2181 SROM_EMIT(sc, miirom); 2182 } 2183 2184 /* Shift in address and look for dummy 0 bit. */ 2185 for (x = 1; x <= 12; x++) { 2186 miirom &= ~MIIROM_SROMDI; 2187 SROM_EMIT(sc, miirom); 2188 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2189 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2190 break; 2191 SROM_EMIT(sc, miirom); 2192 } 2193 2194 /* Clear CHIP SELECT. */ 2195 miirom &= ~MIIROM_SROMCS; 2196 SROM_EMIT(sc, miirom); 2197 2198 /* Deselect the SROM. */ 2199 SROM_EMIT(sc, 0); 2200 2201 if (x < 4 || x > 12) { 2202 printf("%s: broken MicroWire interface detected; " 2203 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2204 return (6); 2205 } else { 2206 if (tlp_srom_debug) 2207 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2208 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2209 return (x); 2210 } 2211 } 2212 2213 /* 2214 * tlp_read_srom: 2215 * 2216 * Read the Tulip SROM. 2217 */ 2218 int 2219 tlp_read_srom(sc) 2220 struct tulip_softc *sc; 2221 { 2222 int size; 2223 u_int32_t miirom; 2224 u_int16_t datain; 2225 int i, x; 2226 2227 tlp_srom_idle(sc); 2228 2229 sc->sc_srom_addrbits = tlp_srom_size(sc); 2230 if (sc->sc_srom_addrbits == 0) 2231 return (0); 2232 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2233 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2234 2235 /* Select the SROM. */ 2236 miirom = MIIROM_SR; 2237 SROM_EMIT(sc, miirom); 2238 2239 miirom |= MIIROM_RD; 2240 SROM_EMIT(sc, miirom); 2241 2242 for (i = 0; i < size; i += 2) { 2243 /* Send CHIP SELECT for one clock tick. */ 2244 miirom |= MIIROM_SROMCS; 2245 SROM_EMIT(sc, miirom); 2246 2247 /* Shift in the READ opcode. */ 2248 for (x = 3; x > 0; x--) { 2249 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2250 miirom |= MIIROM_SROMDI; 2251 else 2252 miirom &= ~MIIROM_SROMDI; 2253 SROM_EMIT(sc, miirom); 2254 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2255 SROM_EMIT(sc, miirom); 2256 } 2257 2258 /* Shift in address. */ 2259 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2260 if (i & (1 << x)) 2261 miirom |= MIIROM_SROMDI; 2262 else 2263 miirom &= ~MIIROM_SROMDI; 2264 SROM_EMIT(sc, miirom); 2265 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2266 SROM_EMIT(sc, miirom); 2267 } 2268 2269 /* Shift out data. */ 2270 miirom &= ~MIIROM_SROMDI; 2271 datain = 0; 2272 for (x = 16; x > 0; x--) { 2273 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2274 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2275 datain |= (1 << (x - 1)); 2276 SROM_EMIT(sc, miirom); 2277 } 2278 sc->sc_srom[i] = datain & 0xff; 2279 sc->sc_srom[i + 1] = datain >> 8; 2280 2281 /* Clear CHIP SELECT. */ 2282 miirom &= ~MIIROM_SROMCS; 2283 SROM_EMIT(sc, miirom); 2284 } 2285 2286 /* Deselect the SROM. */ 2287 SROM_EMIT(sc, 0); 2288 2289 /* ...and idle it. */ 2290 tlp_srom_idle(sc); 2291 2292 if (tlp_srom_debug) { 2293 printf("SROM CONTENTS:"); 2294 for (i = 0; i < size; i++) { 2295 if ((i % 8) == 0) 2296 printf("\n\t"); 2297 printf("0x%02x ", sc->sc_srom[i]); 2298 } 2299 printf("\n"); 2300 } 2301 2302 return (1); 2303 } 2304 2305 #undef SROM_EMIT 2306 2307 /* 2308 * tlp_add_rxbuf: 2309 * 2310 * Add a receive buffer to the indicated descriptor. 2311 */ 2312 int 2313 tlp_add_rxbuf(sc, idx) 2314 struct tulip_softc *sc; 2315 int idx; 2316 { 2317 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2318 struct mbuf *m; 2319 int error; 2320 2321 MGETHDR(m, M_DONTWAIT, MT_DATA); 2322 if (m == NULL) 2323 return (ENOBUFS); 2324 2325 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2326 MCLGET(m, M_DONTWAIT); 2327 if ((m->m_flags & M_EXT) == 0) { 2328 m_freem(m); 2329 return (ENOBUFS); 2330 } 2331 2332 if (rxs->rxs_mbuf != NULL) 2333 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2334 2335 rxs->rxs_mbuf = m; 2336 2337 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2338 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2339 BUS_DMA_READ|BUS_DMA_NOWAIT); 2340 if (error) { 2341 printf("%s: can't load rx DMA map %d, error = %d\n", 2342 sc->sc_dev.dv_xname, idx, error); 2343 panic("tlp_add_rxbuf"); /* XXX */ 2344 } 2345 2346 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2347 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2348 2349 TULIP_INIT_RXDESC(sc, idx); 2350 2351 return (0); 2352 } 2353 2354 /* 2355 * tlp_srom_crcok: 2356 * 2357 * Check the CRC of the Tulip SROM. 2358 */ 2359 int 2360 tlp_srom_crcok(romdata) 2361 const u_int8_t *romdata; 2362 { 2363 u_int32_t crc; 2364 2365 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2366 crc = (crc & 0xffff) ^ 0xffff; 2367 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2368 return (1); 2369 2370 /* 2371 * Try an alternate checksum. 2372 */ 2373 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2374 crc = (crc & 0xffff) ^ 0xffff; 2375 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2376 return (1); 2377 2378 return (0); 2379 } 2380 2381 /* 2382 * tlp_isv_srom: 2383 * 2384 * Check to see if the SROM is in the new standardized format. 2385 */ 2386 int 2387 tlp_isv_srom(romdata) 2388 const u_int8_t *romdata; 2389 { 2390 int i; 2391 u_int16_t cksum; 2392 2393 if (tlp_srom_crcok(romdata)) { 2394 /* 2395 * SROM CRC checks out; must be in the new format. 2396 */ 2397 return (1); 2398 } 2399 2400 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2401 if (cksum == 0xffff || cksum == 0) { 2402 /* 2403 * No checksum present. Check the SROM ID; 18 bytes of 0 2404 * followed by 1 (version) followed by the number of 2405 * adapters which use this SROM (should be non-zero). 2406 */ 2407 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2408 if (romdata[i] != 0) 2409 return (0); 2410 } 2411 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2412 return (0); 2413 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2414 return (0); 2415 return (1); 2416 } 2417 2418 return (0); 2419 } 2420 2421 /* 2422 * tlp_isv_srom_enaddr: 2423 * 2424 * Get the Ethernet address from an ISV SROM. 2425 */ 2426 int 2427 tlp_isv_srom_enaddr(sc, enaddr) 2428 struct tulip_softc *sc; 2429 u_int8_t *enaddr; 2430 { 2431 int i, devcnt; 2432 2433 if (tlp_isv_srom(sc->sc_srom) == 0) 2434 return (0); 2435 2436 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2437 for (i = 0; i < devcnt; i++) { 2438 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2439 break; 2440 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2441 sc->sc_devno) 2442 break; 2443 } 2444 2445 if (i == devcnt) 2446 return (0); 2447 2448 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2449 ETHER_ADDR_LEN); 2450 enaddr[5] += i; 2451 2452 return (1); 2453 } 2454 2455 /* 2456 * tlp_parse_old_srom: 2457 * 2458 * Parse old-format SROMs. 2459 * 2460 * This routine is largely lifted from Matt Thomas's `de' driver. 2461 */ 2462 int 2463 tlp_parse_old_srom(sc, enaddr) 2464 struct tulip_softc *sc; 2465 u_int8_t *enaddr; 2466 { 2467 static const u_int8_t testpat[] = 2468 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2469 int i; 2470 u_int32_t cksum; 2471 2472 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2473 /* 2474 * Cobalt Networks interfaces simply have the address 2475 * in the first six bytes. The rest is zeroed out 2476 * on some models, but others contain unknown data. 2477 */ 2478 if (sc->sc_srom[0] == 0x00 && 2479 sc->sc_srom[1] == 0x10 && 2480 sc->sc_srom[2] == 0xe0) { 2481 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2482 return (1); 2483 } 2484 2485 /* 2486 * Some vendors (e.g. ZNYX) don't use the standard 2487 * DEC Address ROM format, but rather just have an 2488 * Ethernet address in the first 6 bytes, maybe a 2489 * 2 byte checksum, and then all 0xff's. 2490 */ 2491 for (i = 8; i < 32; i++) { 2492 if (sc->sc_srom[i] != 0xff && 2493 sc->sc_srom[i] != 0) 2494 return (0); 2495 } 2496 2497 /* 2498 * Sanity check the Ethernet address: 2499 * 2500 * - Make sure it's not multicast or locally 2501 * assigned 2502 * - Make sure it has a non-0 OUI 2503 */ 2504 if (sc->sc_srom[0] & 3) 2505 return (0); 2506 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2507 sc->sc_srom[2] == 0) 2508 return (0); 2509 2510 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2511 return (1); 2512 } 2513 2514 /* 2515 * Standard DEC Address ROM test. 2516 */ 2517 2518 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2519 return (0); 2520 2521 for (i = 0; i < 8; i++) { 2522 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2523 return (0); 2524 } 2525 2526 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2527 2528 cksum = *(u_int16_t *) &enaddr[0]; 2529 2530 cksum <<= 1; 2531 if (cksum > 0xffff) 2532 cksum -= 0xffff; 2533 2534 cksum += *(u_int16_t *) &enaddr[2]; 2535 if (cksum > 0xffff) 2536 cksum -= 0xffff; 2537 2538 cksum <<= 1; 2539 if (cksum > 0xffff) 2540 cksum -= 0xffff; 2541 2542 cksum += *(u_int16_t *) &enaddr[4]; 2543 if (cksum >= 0xffff) 2544 cksum -= 0xffff; 2545 2546 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2547 return (0); 2548 2549 return (1); 2550 } 2551 2552 /* 2553 * tlp_filter_setup: 2554 * 2555 * Set the Tulip's receive filter. 2556 */ 2557 void 2558 tlp_filter_setup(sc) 2559 struct tulip_softc *sc; 2560 { 2561 struct ethercom *ec = &sc->sc_ethercom; 2562 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2563 struct ether_multi *enm; 2564 struct ether_multistep step; 2565 __volatile u_int32_t *sp; 2566 struct tulip_txsoft *txs; 2567 u_int8_t enaddr[ETHER_ADDR_LEN]; 2568 u_int32_t hash, hashsize; 2569 int cnt, nexttx; 2570 2571 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2572 sc->sc_dev.dv_xname, sc->sc_flags)); 2573 2574 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2575 2576 /* 2577 * If there are transmissions pending, wait until they have 2578 * completed. 2579 */ 2580 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2581 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2582 sc->sc_flags |= TULIPF_WANT_SETUP; 2583 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2584 sc->sc_dev.dv_xname)); 2585 return; 2586 } 2587 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2588 2589 switch (sc->sc_chip) { 2590 case TULIP_CHIP_82C115: 2591 hashsize = TULIP_PNICII_HASHSIZE; 2592 break; 2593 2594 default: 2595 hashsize = TULIP_MCHASHSIZE; 2596 } 2597 2598 /* 2599 * If we're running, idle the transmit and receive engines. If 2600 * we're NOT running, we're being called from tlp_init(), and our 2601 * writing OPMODE will start the transmit and receive processes 2602 * in motion. 2603 */ 2604 if (ifp->if_flags & IFF_RUNNING) 2605 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2606 2607 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2608 2609 if (ifp->if_flags & IFF_PROMISC) { 2610 sc->sc_opmode |= OPMODE_PR; 2611 goto allmulti; 2612 } 2613 2614 /* 2615 * Try Perfect filtering first. 2616 */ 2617 2618 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2619 sp = TULIP_CDSP(sc); 2620 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2621 cnt = 0; 2622 ETHER_FIRST_MULTI(step, ec, enm); 2623 while (enm != NULL) { 2624 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2625 /* 2626 * We must listen to a range of multicast addresses. 2627 * For now, just accept all multicasts, rather than 2628 * trying to set only those filter bits needed to match 2629 * the range. (At this time, the only use of address 2630 * ranges is for IP multicast routing, for which the 2631 * range is big enough to require all bits set.) 2632 */ 2633 goto allmulti; 2634 } 2635 if (cnt == (TULIP_MAXADDRS - 2)) { 2636 /* 2637 * We already have our multicast limit (still need 2638 * our station address and broadcast). Go to 2639 * Hash-Perfect mode. 2640 */ 2641 goto hashperfect; 2642 } 2643 cnt++; 2644 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2645 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2646 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2647 ETHER_NEXT_MULTI(step, enm); 2648 } 2649 2650 if (ifp->if_flags & IFF_BROADCAST) { 2651 /* ...and the broadcast address. */ 2652 cnt++; 2653 *sp++ = TULIP_SP_FIELD_C(0xffff); 2654 *sp++ = TULIP_SP_FIELD_C(0xffff); 2655 *sp++ = TULIP_SP_FIELD_C(0xffff); 2656 } 2657 2658 /* Pad the rest with our station address. */ 2659 for (; cnt < TULIP_MAXADDRS; cnt++) { 2660 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2661 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2662 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2663 } 2664 ifp->if_flags &= ~IFF_ALLMULTI; 2665 goto setit; 2666 2667 hashperfect: 2668 /* 2669 * Try Hash-Perfect mode. 2670 */ 2671 2672 /* 2673 * Some 21140 chips have broken Hash-Perfect modes. On these 2674 * chips, we simply use Hash-Only mode, and put our station 2675 * address into the filter. 2676 */ 2677 if (sc->sc_chip == TULIP_CHIP_21140) 2678 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2679 else 2680 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2681 sp = TULIP_CDSP(sc); 2682 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2683 ETHER_FIRST_MULTI(step, ec, enm); 2684 while (enm != NULL) { 2685 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2686 /* 2687 * We must listen to a range of multicast addresses. 2688 * For now, just accept all multicasts, rather than 2689 * trying to set only those filter bits needed to match 2690 * the range. (At this time, the only use of address 2691 * ranges is for IP multicast routing, for which the 2692 * range is big enough to require all bits set.) 2693 */ 2694 goto allmulti; 2695 } 2696 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2697 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2698 ETHER_NEXT_MULTI(step, enm); 2699 } 2700 2701 if (ifp->if_flags & IFF_BROADCAST) { 2702 /* ...and the broadcast address. */ 2703 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2704 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2705 } 2706 2707 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2708 /* ...and our station address. */ 2709 hash = tlp_mchash(enaddr, hashsize); 2710 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2711 } else { 2712 /* 2713 * Hash-Perfect mode; put our station address after 2714 * the hash table. 2715 */ 2716 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2717 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2718 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2719 } 2720 ifp->if_flags &= ~IFF_ALLMULTI; 2721 goto setit; 2722 2723 allmulti: 2724 /* 2725 * Use Perfect filter mode. First address is the broadcast address, 2726 * and pad the rest with our station address. We'll set Pass-all- 2727 * multicast in OPMODE below. 2728 */ 2729 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2730 sp = TULIP_CDSP(sc); 2731 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2732 cnt = 0; 2733 if (ifp->if_flags & IFF_BROADCAST) { 2734 cnt++; 2735 *sp++ = TULIP_SP_FIELD_C(0xffff); 2736 *sp++ = TULIP_SP_FIELD_C(0xffff); 2737 *sp++ = TULIP_SP_FIELD_C(0xffff); 2738 } 2739 for (; cnt < TULIP_MAXADDRS; cnt++) { 2740 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2741 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2742 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2743 } 2744 ifp->if_flags |= IFF_ALLMULTI; 2745 2746 setit: 2747 if (ifp->if_flags & IFF_ALLMULTI) 2748 sc->sc_opmode |= OPMODE_PM; 2749 2750 /* Sync the setup packet buffer. */ 2751 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2752 2753 /* 2754 * Fill in the setup packet descriptor. 2755 */ 2756 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2757 2758 txs->txs_firstdesc = sc->sc_txnext; 2759 txs->txs_lastdesc = sc->sc_txnext; 2760 txs->txs_ndescs = 1; 2761 txs->txs_mbuf = NULL; 2762 2763 nexttx = sc->sc_txnext; 2764 sc->sc_txdescs[nexttx].td_status = 0; 2765 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2766 sc->sc_txdescs[nexttx].td_ctl = 2767 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2768 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2769 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2770 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2771 TULIP_CDTXSYNC(sc, nexttx, 1, 2772 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2773 2774 #ifdef TLP_DEBUG 2775 if (ifp->if_flags & IFF_DEBUG) { 2776 printf(" filter_setup %p transmit chain:\n", txs); 2777 printf(" descriptor %d:\n", nexttx); 2778 printf(" td_status: 0x%08x\n", 2779 le32toh(sc->sc_txdescs[nexttx].td_status)); 2780 printf(" td_ctl: 0x%08x\n", 2781 le32toh(sc->sc_txdescs[nexttx].td_ctl)); 2782 printf(" td_bufaddr1: 0x%08x\n", 2783 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1)); 2784 printf(" td_bufaddr2: 0x%08x\n", 2785 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2)); 2786 } 2787 #endif 2788 2789 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN); 2790 TULIP_CDTXSYNC(sc, nexttx, 1, 2791 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2792 2793 /* Advance the tx pointer. */ 2794 sc->sc_txfree -= 1; 2795 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2796 2797 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2798 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2799 2800 /* 2801 * Set the OPMODE register. This will also resume the 2802 * transmit transmit process we idled above. 2803 */ 2804 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2805 2806 sc->sc_flags |= TULIPF_DOING_SETUP; 2807 2808 /* 2809 * Kick the transmitter; this will cause the Tulip to 2810 * read the setup descriptor. 2811 */ 2812 /* XXX USE AUTOPOLLING? */ 2813 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2814 2815 /* Set up a watchdog timer in case the chip flakes out. */ 2816 ifp->if_timer = 5; 2817 2818 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2819 } 2820 2821 /* 2822 * tlp_winb_filter_setup: 2823 * 2824 * Set the Winbond 89C840F's receive filter. 2825 */ 2826 void 2827 tlp_winb_filter_setup(sc) 2828 struct tulip_softc *sc; 2829 { 2830 struct ethercom *ec = &sc->sc_ethercom; 2831 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2832 struct ether_multi *enm; 2833 struct ether_multistep step; 2834 u_int32_t hash, mchash[2]; 2835 2836 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2837 sc->sc_dev.dv_xname, sc->sc_flags)); 2838 2839 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2840 2841 if (ifp->if_flags & IFF_MULTICAST) 2842 sc->sc_opmode |= OPMODE_WINB_AMP; 2843 2844 if (ifp->if_flags & IFF_BROADCAST) 2845 sc->sc_opmode |= OPMODE_WINB_ABP; 2846 2847 if (ifp->if_flags & IFF_PROMISC) { 2848 sc->sc_opmode |= OPMODE_WINB_APP; 2849 goto allmulti; 2850 } 2851 2852 mchash[0] = mchash[1] = 0; 2853 2854 ETHER_FIRST_MULTI(step, ec, enm); 2855 while (enm != NULL) { 2856 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2857 /* 2858 * We must listen to a range of multicast addresses. 2859 * For now, just accept all multicasts, rather than 2860 * trying to set only those filter bits needed to match 2861 * the range. (At this time, the only use of address 2862 * ranges is for IP multicast routing, for which the 2863 * range is big enough to require all bits set.) 2864 */ 2865 goto allmulti; 2866 } 2867 2868 /* 2869 * According to the FreeBSD `wb' driver, yes, you 2870 * really do invert the hash. 2871 */ 2872 hash = 2873 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2874 & 0x3f; 2875 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2876 ETHER_NEXT_MULTI(step, enm); 2877 } 2878 ifp->if_flags &= ~IFF_ALLMULTI; 2879 goto setit; 2880 2881 allmulti: 2882 ifp->if_flags |= IFF_ALLMULTI; 2883 mchash[0] = mchash[1] = 0xffffffff; 2884 2885 setit: 2886 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2887 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2888 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2889 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2890 sc->sc_dev.dv_xname)); 2891 } 2892 2893 /* 2894 * tlp_al981_filter_setup: 2895 * 2896 * Set the ADMtek AL981's receive filter. 2897 */ 2898 void 2899 tlp_al981_filter_setup(sc) 2900 struct tulip_softc *sc; 2901 { 2902 struct ethercom *ec = &sc->sc_ethercom; 2903 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2904 struct ether_multi *enm; 2905 struct ether_multistep step; 2906 u_int32_t hash, mchash[2]; 2907 2908 /* 2909 * If the chip is running, we need to reset the interface, 2910 * and will revisit here (with IFF_RUNNING) clear. The 2911 * chip seems to really not like to have its multicast 2912 * filter programmed without a reset. 2913 */ 2914 if (ifp->if_flags & IFF_RUNNING) { 2915 (void) tlp_init(ifp); 2916 return; 2917 } 2918 2919 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2920 sc->sc_dev.dv_xname, sc->sc_flags)); 2921 2922 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2923 2924 if (ifp->if_flags & IFF_PROMISC) { 2925 sc->sc_opmode |= OPMODE_PR; 2926 goto allmulti; 2927 } 2928 2929 mchash[0] = mchash[1] = 0; 2930 2931 ETHER_FIRST_MULTI(step, ec, enm); 2932 while (enm != NULL) { 2933 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2934 /* 2935 * We must listen to a range of multicast addresses. 2936 * For now, just accept all multicasts, rather than 2937 * trying to set only those filter bits needed to match 2938 * the range. (At this time, the only use of address 2939 * ranges is for IP multicast routing, for which the 2940 * range is big enough to require all bits set.) 2941 */ 2942 goto allmulti; 2943 } 2944 2945 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2946 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2947 ETHER_NEXT_MULTI(step, enm); 2948 } 2949 ifp->if_flags &= ~IFF_ALLMULTI; 2950 goto setit; 2951 2952 allmulti: 2953 ifp->if_flags |= IFF_ALLMULTI; 2954 mchash[0] = mchash[1] = 0xffffffff; 2955 2956 setit: 2957 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2958 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2959 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2960 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2961 sc->sc_dev.dv_xname)); 2962 } 2963 2964 /* 2965 * tlp_idle: 2966 * 2967 * Cause the transmit and/or receive processes to go idle. 2968 */ 2969 void 2970 tlp_idle(sc, bits) 2971 struct tulip_softc *sc; 2972 u_int32_t bits; 2973 { 2974 static const char * const tlp_tx_state_names[] = { 2975 "STOPPED", 2976 "RUNNING - FETCH", 2977 "RUNNING - WAIT", 2978 "RUNNING - READING", 2979 "-- RESERVED --", 2980 "RUNNING - SETUP", 2981 "SUSPENDED", 2982 "RUNNING - CLOSE", 2983 }; 2984 static const char * const tlp_rx_state_names[] = { 2985 "STOPPED", 2986 "RUNNING - FETCH", 2987 "RUNNING - CHECK", 2988 "RUNNING - WAIT", 2989 "SUSPENDED", 2990 "RUNNING - CLOSE", 2991 "RUNNING - FLUSH", 2992 "RUNNING - QUEUE", 2993 }; 2994 static const char * const dm9102_tx_state_names[] = { 2995 "STOPPED", 2996 "RUNNING - FETCH", 2997 "RUNNING - SETUP", 2998 "RUNNING - READING", 2999 "RUNNING - CLOSE - CLEAR OWNER", 3000 "RUNNING - WAIT", 3001 "RUNNING - CLOSE - WRITE STATUS", 3002 "SUSPENDED", 3003 }; 3004 static const char * const dm9102_rx_state_names[] = { 3005 "STOPPED", 3006 "RUNNING - FETCH", 3007 "RUNNING - WAIT", 3008 "RUNNING - QUEUE", 3009 "RUNNING - CLOSE - CLEAR OWNER", 3010 "RUNNING - CLOSE - WRITE STATUS", 3011 "SUSPENDED", 3012 "RUNNING - FLUSH", 3013 }; 3014 3015 const char * const *tx_state_names, * const *rx_state_names; 3016 u_int32_t csr, ackmask = 0; 3017 int i; 3018 3019 switch (sc->sc_chip) { 3020 case TULIP_CHIP_DM9102: 3021 case TULIP_CHIP_DM9102A: 3022 tx_state_names = dm9102_tx_state_names; 3023 rx_state_names = dm9102_rx_state_names; 3024 break; 3025 3026 default: 3027 tx_state_names = tlp_tx_state_names; 3028 rx_state_names = tlp_rx_state_names; 3029 break; 3030 } 3031 3032 if (bits & OPMODE_ST) 3033 ackmask |= STATUS_TPS; 3034 3035 if (bits & OPMODE_SR) 3036 ackmask |= STATUS_RPS; 3037 3038 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3039 3040 for (i = 0; i < 1000; i++) { 3041 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3042 break; 3043 delay(10); 3044 } 3045 3046 csr = TULIP_READ(sc, CSR_STATUS); 3047 if ((csr & ackmask) != ackmask) { 3048 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3049 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3050 printf("%s: transmit process failed to idle: " 3051 "state %s\n", sc->sc_dev.dv_xname, 3052 tx_state_names[(csr & STATUS_TS) >> 20]); 3053 } 3054 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3055 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3056 switch (sc->sc_chip) { 3057 case TULIP_CHIP_AN983: 3058 case TULIP_CHIP_AN985: 3059 /* 3060 * Filter the message out on noisy chips. 3061 */ 3062 break; 3063 default: 3064 printf("%s: receive process failed to idle: " 3065 "state %s\n", sc->sc_dev.dv_xname, 3066 rx_state_names[(csr & STATUS_RS) >> 17]); 3067 } 3068 } 3069 } 3070 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3071 } 3072 3073 /***************************************************************************** 3074 * Generic media support functions. 3075 *****************************************************************************/ 3076 3077 /* 3078 * tlp_mediastatus: [ifmedia interface function] 3079 * 3080 * Query the current media. 3081 */ 3082 void 3083 tlp_mediastatus(ifp, ifmr) 3084 struct ifnet *ifp; 3085 struct ifmediareq *ifmr; 3086 { 3087 struct tulip_softc *sc = ifp->if_softc; 3088 3089 if (TULIP_IS_ENABLED(sc) == 0) { 3090 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3091 ifmr->ifm_status = 0; 3092 return; 3093 } 3094 3095 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3096 } 3097 3098 /* 3099 * tlp_mediachange: [ifmedia interface function] 3100 * 3101 * Update the current media. 3102 */ 3103 int 3104 tlp_mediachange(ifp) 3105 struct ifnet *ifp; 3106 { 3107 struct tulip_softc *sc = ifp->if_softc; 3108 3109 if ((ifp->if_flags & IFF_UP) == 0) 3110 return (0); 3111 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3112 } 3113 3114 /***************************************************************************** 3115 * Support functions for MII-attached media. 3116 *****************************************************************************/ 3117 3118 /* 3119 * tlp_mii_tick: 3120 * 3121 * One second timer, used to tick the MII. 3122 */ 3123 void 3124 tlp_mii_tick(arg) 3125 void *arg; 3126 { 3127 struct tulip_softc *sc = arg; 3128 int s; 3129 3130 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3131 return; 3132 3133 s = splnet(); 3134 mii_tick(&sc->sc_mii); 3135 splx(s); 3136 3137 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3138 } 3139 3140 /* 3141 * tlp_mii_statchg: [mii interface function] 3142 * 3143 * Callback from PHY when media changes. 3144 */ 3145 void 3146 tlp_mii_statchg(self) 3147 struct device *self; 3148 { 3149 struct tulip_softc *sc = (struct tulip_softc *)self; 3150 3151 /* Idle the transmit and receive processes. */ 3152 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3153 3154 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3155 3156 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3157 sc->sc_opmode |= OPMODE_TTM; 3158 else 3159 sc->sc_opmode |= OPMODE_HBD; 3160 3161 if (sc->sc_mii.mii_media_active & IFM_FDX) 3162 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3163 3164 /* 3165 * Write new OPMODE bits. This also restarts the transmit 3166 * and receive processes. 3167 */ 3168 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3169 } 3170 3171 /* 3172 * tlp_winb_mii_statchg: [mii interface function] 3173 * 3174 * Callback from PHY when media changes. This version is 3175 * for the Winbond 89C840F, which has different OPMODE bits. 3176 */ 3177 void 3178 tlp_winb_mii_statchg(self) 3179 struct device *self; 3180 { 3181 struct tulip_softc *sc = (struct tulip_softc *)self; 3182 3183 /* Idle the transmit and receive processes. */ 3184 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3185 3186 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3187 3188 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3189 sc->sc_opmode |= OPMODE_WINB_FES; 3190 3191 if (sc->sc_mii.mii_media_active & IFM_FDX) 3192 sc->sc_opmode |= OPMODE_FD; 3193 3194 /* 3195 * Write new OPMODE bits. This also restarts the transmit 3196 * and receive processes. 3197 */ 3198 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3199 } 3200 3201 /* 3202 * tlp_dm9102_mii_statchg: [mii interface function] 3203 * 3204 * Callback from PHY when media changes. This version is 3205 * for the DM9102. 3206 */ 3207 void 3208 tlp_dm9102_mii_statchg(self) 3209 struct device *self; 3210 { 3211 struct tulip_softc *sc = (struct tulip_softc *)self; 3212 3213 /* 3214 * Don't idle the transmit and receive processes, here. It 3215 * seems to fail, and just causes excess noise. 3216 */ 3217 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3218 3219 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3220 sc->sc_opmode |= OPMODE_TTM; 3221 3222 if (sc->sc_mii.mii_media_active & IFM_FDX) 3223 sc->sc_opmode |= OPMODE_FD; 3224 3225 /* 3226 * Write new OPMODE bits. 3227 */ 3228 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3229 } 3230 3231 /* 3232 * tlp_mii_getmedia: 3233 * 3234 * Callback from ifmedia to request current media status. 3235 */ 3236 void 3237 tlp_mii_getmedia(sc, ifmr) 3238 struct tulip_softc *sc; 3239 struct ifmediareq *ifmr; 3240 { 3241 3242 mii_pollstat(&sc->sc_mii); 3243 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3244 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3245 } 3246 3247 /* 3248 * tlp_mii_setmedia: 3249 * 3250 * Callback from ifmedia to request new media setting. 3251 */ 3252 int 3253 tlp_mii_setmedia(sc) 3254 struct tulip_softc *sc; 3255 { 3256 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3257 3258 if (ifp->if_flags & IFF_UP) { 3259 switch (sc->sc_chip) { 3260 case TULIP_CHIP_21142: 3261 case TULIP_CHIP_21143: 3262 /* Disable the internal Nway engine. */ 3263 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3264 break; 3265 3266 default: 3267 /* Nothing. */ 3268 break; 3269 } 3270 mii_mediachg(&sc->sc_mii); 3271 } 3272 return (0); 3273 } 3274 3275 /* 3276 * tlp_bitbang_mii_readreg: 3277 * 3278 * Read a PHY register via bit-bang'ing the MII. 3279 */ 3280 int 3281 tlp_bitbang_mii_readreg(self, phy, reg) 3282 struct device *self; 3283 int phy, reg; 3284 { 3285 struct tulip_softc *sc = (void *) self; 3286 3287 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3288 } 3289 3290 /* 3291 * tlp_bitbang_mii_writereg: 3292 * 3293 * Write a PHY register via bit-bang'ing the MII. 3294 */ 3295 void 3296 tlp_bitbang_mii_writereg(self, phy, reg, val) 3297 struct device *self; 3298 int phy, reg, val; 3299 { 3300 struct tulip_softc *sc = (void *) self; 3301 3302 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3303 } 3304 3305 /* 3306 * tlp_sio_mii_bitbang_read: 3307 * 3308 * Read the MII serial port for the MII bit-bang module. 3309 */ 3310 u_int32_t 3311 tlp_sio_mii_bitbang_read(self) 3312 struct device *self; 3313 { 3314 struct tulip_softc *sc = (void *) self; 3315 3316 return (TULIP_READ(sc, CSR_MIIROM)); 3317 } 3318 3319 /* 3320 * tlp_sio_mii_bitbang_write: 3321 * 3322 * Write the MII serial port for the MII bit-bang module. 3323 */ 3324 void 3325 tlp_sio_mii_bitbang_write(self, val) 3326 struct device *self; 3327 u_int32_t val; 3328 { 3329 struct tulip_softc *sc = (void *) self; 3330 3331 TULIP_WRITE(sc, CSR_MIIROM, val); 3332 } 3333 3334 /* 3335 * tlp_pnic_mii_readreg: 3336 * 3337 * Read a PHY register on the Lite-On PNIC. 3338 */ 3339 int 3340 tlp_pnic_mii_readreg(self, phy, reg) 3341 struct device *self; 3342 int phy, reg; 3343 { 3344 struct tulip_softc *sc = (void *) self; 3345 u_int32_t val; 3346 int i; 3347 3348 TULIP_WRITE(sc, CSR_PNIC_MII, 3349 PNIC_MII_MBO | PNIC_MII_RESERVED | 3350 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3351 (reg << PNIC_MII_REGSHIFT)); 3352 3353 for (i = 0; i < 1000; i++) { 3354 delay(10); 3355 val = TULIP_READ(sc, CSR_PNIC_MII); 3356 if ((val & PNIC_MII_BUSY) == 0) { 3357 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3358 return (0); 3359 else 3360 return (val & PNIC_MII_DATA); 3361 } 3362 } 3363 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3364 return (0); 3365 } 3366 3367 /* 3368 * tlp_pnic_mii_writereg: 3369 * 3370 * Write a PHY register on the Lite-On PNIC. 3371 */ 3372 void 3373 tlp_pnic_mii_writereg(self, phy, reg, val) 3374 struct device *self; 3375 int phy, reg, val; 3376 { 3377 struct tulip_softc *sc = (void *) self; 3378 int i; 3379 3380 TULIP_WRITE(sc, CSR_PNIC_MII, 3381 PNIC_MII_MBO | PNIC_MII_RESERVED | 3382 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3383 (reg << PNIC_MII_REGSHIFT) | val); 3384 3385 for (i = 0; i < 1000; i++) { 3386 delay(10); 3387 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3388 return; 3389 } 3390 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3391 } 3392 3393 const bus_addr_t tlp_al981_phy_regmap[] = { 3394 CSR_ADM_BMCR, 3395 CSR_ADM_BMSR, 3396 CSR_ADM_PHYIDR1, 3397 CSR_ADM_PHYIDR2, 3398 CSR_ADM_ANAR, 3399 CSR_ADM_ANLPAR, 3400 CSR_ADM_ANER, 3401 3402 CSR_ADM_XMC, 3403 CSR_ADM_XCIIS, 3404 CSR_ADM_XIE, 3405 CSR_ADM_100CTR, 3406 }; 3407 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3408 sizeof(tlp_al981_phy_regmap[0]); 3409 3410 /* 3411 * tlp_al981_mii_readreg: 3412 * 3413 * Read a PHY register on the ADMtek AL981. 3414 */ 3415 int 3416 tlp_al981_mii_readreg(self, phy, reg) 3417 struct device *self; 3418 int phy, reg; 3419 { 3420 struct tulip_softc *sc = (struct tulip_softc *)self; 3421 3422 /* AL981 only has an internal PHY. */ 3423 if (phy != 0) 3424 return (0); 3425 3426 if (reg >= tlp_al981_phy_regmap_size) 3427 return (0); 3428 3429 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3430 tlp_al981_phy_regmap[reg]) & 0xffff); 3431 } 3432 3433 /* 3434 * tlp_al981_mii_writereg: 3435 * 3436 * Write a PHY register on the ADMtek AL981. 3437 */ 3438 void 3439 tlp_al981_mii_writereg(self, phy, reg, val) 3440 struct device *self; 3441 int phy, reg, val; 3442 { 3443 struct tulip_softc *sc = (struct tulip_softc *)self; 3444 3445 /* AL981 only has an internal PHY. */ 3446 if (phy != 0) 3447 return; 3448 3449 if (reg >= tlp_al981_phy_regmap_size) 3450 return; 3451 3452 bus_space_write_4(sc->sc_st, sc->sc_sh, 3453 tlp_al981_phy_regmap[reg], val); 3454 } 3455 3456 /***************************************************************************** 3457 * Chip-specific pre-init and reset functions. 3458 *****************************************************************************/ 3459 3460 /* 3461 * tlp_2114x_preinit: 3462 * 3463 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3464 */ 3465 void 3466 tlp_2114x_preinit(sc) 3467 struct tulip_softc *sc; 3468 { 3469 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3470 struct tulip_21x4x_media *tm = ife->ifm_aux; 3471 3472 /* 3473 * Whether or not we're in MII or SIA/SYM mode, the media info 3474 * contains the appropriate OPMODE bits. 3475 * 3476 * Also, we always set the Must-Be-One bit. 3477 */ 3478 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3479 3480 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3481 } 3482 3483 /* 3484 * tlp_2114x_mii_preinit: 3485 * 3486 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3487 * This version is used by boards which only have MII and don't have 3488 * an ISV SROM. 3489 */ 3490 void 3491 tlp_2114x_mii_preinit(sc) 3492 struct tulip_softc *sc; 3493 { 3494 3495 /* 3496 * Always set the Must-Be-One bit, and Port Select (to select MII). 3497 * We'll never be called during a media change. 3498 */ 3499 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3500 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3501 } 3502 3503 /* 3504 * tlp_pnic_preinit: 3505 * 3506 * Pre-init function for the Lite-On 82c168 and 82c169. 3507 */ 3508 void 3509 tlp_pnic_preinit(sc) 3510 struct tulip_softc *sc; 3511 { 3512 3513 if (sc->sc_flags & TULIPF_HAS_MII) { 3514 /* 3515 * MII case: just set the port-select bit; we will never 3516 * be called during a media change. 3517 */ 3518 sc->sc_opmode |= OPMODE_PS; 3519 } else { 3520 /* 3521 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3522 */ 3523 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3524 } 3525 } 3526 3527 /* 3528 * tlp_dm9102_preinit: 3529 * 3530 * Pre-init function for the Davicom DM9102. 3531 */ 3532 void 3533 tlp_dm9102_preinit(sc) 3534 struct tulip_softc *sc; 3535 { 3536 3537 switch (sc->sc_chip) { 3538 case TULIP_CHIP_DM9102: 3539 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3540 break; 3541 3542 case TULIP_CHIP_DM9102A: 3543 /* 3544 * XXX Figure out how to actually deal with the HomePNA 3545 * XXX portion of the DM9102A. 3546 */ 3547 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3548 break; 3549 3550 default: 3551 /* Nothing. */ 3552 break; 3553 } 3554 3555 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3556 } 3557 3558 /* 3559 * tlp_21140_reset: 3560 * 3561 * Issue a reset sequence on the 21140 via the GPIO facility. 3562 */ 3563 void 3564 tlp_21140_reset(sc) 3565 struct tulip_softc *sc; 3566 { 3567 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3568 struct tulip_21x4x_media *tm = ife->ifm_aux; 3569 int i; 3570 3571 /* First, set the direction on the GPIO pins. */ 3572 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3573 3574 /* Now, issue the reset sequence. */ 3575 for (i = 0; i < tm->tm_reset_length; i++) { 3576 delay(10); 3577 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3578 } 3579 3580 /* Now, issue the selection sequence. */ 3581 for (i = 0; i < tm->tm_gp_length; i++) { 3582 delay(10); 3583 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3584 } 3585 3586 /* If there were no sequences, just lower the pins. */ 3587 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3588 delay(10); 3589 TULIP_WRITE(sc, CSR_GPP, 0); 3590 } 3591 } 3592 3593 /* 3594 * tlp_21142_reset: 3595 * 3596 * Issue a reset sequence on the 21142 via the GPIO facility. 3597 */ 3598 void 3599 tlp_21142_reset(sc) 3600 struct tulip_softc *sc; 3601 { 3602 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3603 struct tulip_21x4x_media *tm = ife->ifm_aux; 3604 const u_int8_t *cp; 3605 int i; 3606 3607 cp = &sc->sc_srom[tm->tm_reset_offset]; 3608 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3609 delay(10); 3610 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3611 } 3612 3613 cp = &sc->sc_srom[tm->tm_gp_offset]; 3614 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3615 delay(10); 3616 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3617 } 3618 3619 /* If there were no sequences, just lower the pins. */ 3620 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3621 delay(10); 3622 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3623 } 3624 } 3625 3626 /* 3627 * tlp_pmac_reset: 3628 * 3629 * Reset routine for Macronix chips. 3630 */ 3631 void 3632 tlp_pmac_reset(sc) 3633 struct tulip_softc *sc; 3634 { 3635 3636 switch (sc->sc_chip) { 3637 case TULIP_CHIP_82C115: 3638 case TULIP_CHIP_MX98715: 3639 case TULIP_CHIP_MX98715A: 3640 case TULIP_CHIP_MX98725: 3641 /* 3642 * Set the LED operating mode. This information is located 3643 * in the EEPROM at byte offset 0x77, per the MX98715A and 3644 * MX98725 application notes. 3645 */ 3646 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3647 break; 3648 case TULIP_CHIP_MX98715AEC_X: 3649 /* 3650 * Set the LED operating mode. This information is located 3651 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3652 * application note. 3653 */ 3654 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3655 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3656 break; 3657 3658 default: 3659 /* Nothing. */ 3660 break; 3661 } 3662 } 3663 3664 /* 3665 * tlp_dm9102_reset: 3666 * 3667 * Reset routine for the Davicom DM9102. 3668 */ 3669 void 3670 tlp_dm9102_reset(sc) 3671 struct tulip_softc *sc; 3672 { 3673 3674 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3675 delay(100); 3676 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3677 } 3678 3679 /***************************************************************************** 3680 * Chip/board-specific media switches. The ones here are ones that 3681 * are potentially common to multiple front-ends. 3682 *****************************************************************************/ 3683 3684 /* 3685 * This table is a common place for all sorts of media information, 3686 * keyed off of the SROM media code for that media. 3687 * 3688 * Note that we explicitly configure the 21142/21143 to always advertise 3689 * NWay capabilities when using the UTP port. 3690 * XXX Actually, we don't yet. 3691 */ 3692 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3693 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3694 "10baseT", 3695 OPMODE_TTM, 3696 BMSR_10THDX, 3697 { SIACONN_21040_10BASET, 3698 SIATXRX_21040_10BASET, 3699 SIAGEN_21040_10BASET }, 3700 3701 { SIACONN_21041_10BASET, 3702 SIATXRX_21041_10BASET, 3703 SIAGEN_21041_10BASET }, 3704 3705 { SIACONN_21142_10BASET, 3706 SIATXRX_21142_10BASET, 3707 SIAGEN_21142_10BASET } }, 3708 3709 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3710 "10base2", 3711 0, 3712 0, 3713 { 0, 3714 0, 3715 0 }, 3716 3717 { SIACONN_21041_BNC, 3718 SIATXRX_21041_BNC, 3719 SIAGEN_21041_BNC }, 3720 3721 { SIACONN_21142_BNC, 3722 SIATXRX_21142_BNC, 3723 SIAGEN_21142_BNC } }, 3724 3725 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3726 "10base5", 3727 0, 3728 0, 3729 { SIACONN_21040_AUI, 3730 SIATXRX_21040_AUI, 3731 SIAGEN_21040_AUI }, 3732 3733 { SIACONN_21041_AUI, 3734 SIATXRX_21041_AUI, 3735 SIAGEN_21041_AUI }, 3736 3737 { SIACONN_21142_AUI, 3738 SIATXRX_21142_AUI, 3739 SIAGEN_21142_AUI } }, 3740 3741 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3742 "100baseTX", 3743 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3744 BMSR_100TXHDX, 3745 { 0, 3746 0, 3747 0 }, 3748 3749 { 0, 3750 0, 3751 0 }, 3752 3753 { 0, 3754 0, 3755 SIAGEN_ABM } }, 3756 3757 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3758 "10baseT-FDX", 3759 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3760 BMSR_10TFDX, 3761 { SIACONN_21040_10BASET_FDX, 3762 SIATXRX_21040_10BASET_FDX, 3763 SIAGEN_21040_10BASET_FDX }, 3764 3765 { SIACONN_21041_10BASET_FDX, 3766 SIATXRX_21041_10BASET_FDX, 3767 SIAGEN_21041_10BASET_FDX }, 3768 3769 { SIACONN_21142_10BASET_FDX, 3770 SIATXRX_21142_10BASET_FDX, 3771 SIAGEN_21142_10BASET_FDX } }, 3772 3773 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3774 "100baseTX-FDX", 3775 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3776 BMSR_100TXFDX, 3777 { 0, 3778 0, 3779 0 }, 3780 3781 { 0, 3782 0, 3783 0 }, 3784 3785 { 0, 3786 0, 3787 SIAGEN_ABM } }, 3788 3789 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3790 "100baseT4", 3791 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3792 BMSR_100T4, 3793 { 0, 3794 0, 3795 0 }, 3796 3797 { 0, 3798 0, 3799 0 }, 3800 3801 { 0, 3802 0, 3803 SIAGEN_ABM } }, 3804 3805 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3806 "100baseFX", 3807 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3808 0, 3809 { 0, 3810 0, 3811 0 }, 3812 3813 { 0, 3814 0, 3815 0 }, 3816 3817 { 0, 3818 0, 3819 SIAGEN_ABM } }, 3820 3821 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3822 "100baseFX-FDX", 3823 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3824 0, 3825 { 0, 3826 0, 3827 0 }, 3828 3829 { 0, 3830 0, 3831 0 }, 3832 3833 { 0, 3834 0, 3835 SIAGEN_ABM } }, 3836 3837 { 0, 0, 0, 3838 NULL, 3839 0, 3840 0, 3841 { 0, 3842 0, 3843 0 }, 3844 3845 { 0, 3846 0, 3847 0 }, 3848 3849 { 0, 3850 0, 3851 0 } }, 3852 }; 3853 3854 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3855 void tlp_srom_media_info __P((struct tulip_softc *, 3856 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3857 void tlp_add_srom_media __P((struct tulip_softc *, int, 3858 void (*)(struct tulip_softc *, struct ifmediareq *), 3859 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3860 void tlp_print_media __P((struct tulip_softc *)); 3861 void tlp_nway_activate __P((struct tulip_softc *, int)); 3862 void tlp_get_minst __P((struct tulip_softc *)); 3863 3864 const struct tulip_srom_to_ifmedia * 3865 tlp_srom_to_ifmedia(sm) 3866 u_int8_t sm; 3867 { 3868 const struct tulip_srom_to_ifmedia *tsti; 3869 3870 for (tsti = tulip_srom_to_ifmedia_table; 3871 tsti->tsti_name != NULL; tsti++) { 3872 if (tsti->tsti_srom == sm) 3873 return (tsti); 3874 } 3875 3876 return (NULL); 3877 } 3878 3879 void 3880 tlp_srom_media_info(sc, tsti, tm) 3881 struct tulip_softc *sc; 3882 const struct tulip_srom_to_ifmedia *tsti; 3883 struct tulip_21x4x_media *tm; 3884 { 3885 3886 tm->tm_name = tsti->tsti_name; 3887 tm->tm_opmode = tsti->tsti_opmode; 3888 3889 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3890 3891 switch (sc->sc_chip) { 3892 case TULIP_CHIP_DE425: 3893 case TULIP_CHIP_21040: 3894 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3895 break; 3896 3897 case TULIP_CHIP_21041: 3898 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3899 break; 3900 3901 case TULIP_CHIP_21142: 3902 case TULIP_CHIP_21143: 3903 case TULIP_CHIP_82C115: 3904 case TULIP_CHIP_MX98715: 3905 case TULIP_CHIP_MX98715A: 3906 case TULIP_CHIP_MX98715AEC_X: 3907 case TULIP_CHIP_MX98725: 3908 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3909 break; 3910 3911 default: 3912 /* Nothing. */ 3913 break; 3914 } 3915 } 3916 3917 void 3918 tlp_add_srom_media(sc, type, get, set, list, cnt) 3919 struct tulip_softc *sc; 3920 int type; 3921 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3922 int (*set) __P((struct tulip_softc *)); 3923 const u_int8_t *list; 3924 int cnt; 3925 { 3926 struct tulip_21x4x_media *tm; 3927 const struct tulip_srom_to_ifmedia *tsti; 3928 int i; 3929 3930 for (i = 0; i < cnt; i++) { 3931 tsti = tlp_srom_to_ifmedia(list[i]); 3932 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3933 tlp_srom_media_info(sc, tsti, tm); 3934 tm->tm_type = type; 3935 tm->tm_get = get; 3936 tm->tm_set = set; 3937 3938 ifmedia_add(&sc->sc_mii.mii_media, 3939 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3940 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3941 } 3942 } 3943 3944 void 3945 tlp_print_media(sc) 3946 struct tulip_softc *sc; 3947 { 3948 struct ifmedia_entry *ife; 3949 struct tulip_21x4x_media *tm; 3950 const char *sep = ""; 3951 3952 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 3953 3954 printf("%s: ", sc->sc_dev.dv_xname); 3955 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3956 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3957 tm = ife->ifm_aux; 3958 if (tm == NULL) { 3959 #ifdef DIAGNOSTIC 3960 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3961 panic("tlp_print_media"); 3962 #endif 3963 PRINT("auto"); 3964 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3965 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3966 PRINT(tm->tm_name); 3967 } 3968 } 3969 printf("\n"); 3970 3971 #undef PRINT 3972 } 3973 3974 void 3975 tlp_nway_activate(sc, media) 3976 struct tulip_softc *sc; 3977 int media; 3978 { 3979 struct ifmedia_entry *ife; 3980 3981 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3982 #ifdef DIAGNOSTIC 3983 if (ife == NULL) 3984 panic("tlp_nway_activate"); 3985 #endif 3986 sc->sc_nway_active = ife; 3987 } 3988 3989 void 3990 tlp_get_minst(sc) 3991 struct tulip_softc *sc; 3992 { 3993 3994 if ((sc->sc_media_seen & 3995 ~((1 << TULIP_ROM_MB_21140_MII) | 3996 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3997 /* 3998 * We have not yet seen any SIA/SYM media (but are 3999 * about to; that's why we're called!), so assign 4000 * the current media instance to be the `internal media' 4001 * instance, and advance it so any MII media gets a 4002 * fresh one (used to selecting/isolating a PHY). 4003 */ 4004 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4005 } 4006 } 4007 4008 /* 4009 * SIA Utility functions. 4010 */ 4011 void tlp_sia_update_link __P((struct tulip_softc *)); 4012 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 4013 int tlp_sia_set __P((struct tulip_softc *)); 4014 int tlp_sia_media __P((struct tulip_softc *, struct ifmedia_entry *)); 4015 void tlp_sia_fixup __P((struct tulip_softc *)); 4016 4017 void 4018 tlp_sia_update_link(sc) 4019 struct tulip_softc *sc; 4020 { 4021 struct ifmedia_entry *ife; 4022 struct tulip_21x4x_media *tm; 4023 u_int32_t siastat; 4024 4025 ife = TULIP_CURRENT_MEDIA(sc); 4026 tm = ife->ifm_aux; 4027 4028 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4029 4030 siastat = TULIP_READ(sc, CSR_SIASTAT); 4031 4032 /* 4033 * Note that when we do SIA link tests, we are assuming that 4034 * the chip is really in the mode that the current media setting 4035 * reflects. If we're not, then the link tests will not be 4036 * accurate! 4037 */ 4038 switch (IFM_SUBTYPE(ife->ifm_media)) { 4039 case IFM_10_T: 4040 sc->sc_flags |= TULIPF_LINK_VALID; 4041 if ((siastat & SIASTAT_LS10) == 0) 4042 sc->sc_flags |= TULIPF_LINK_UP; 4043 break; 4044 4045 case IFM_100_TX: 4046 case IFM_100_T4: 4047 sc->sc_flags |= TULIPF_LINK_VALID; 4048 if ((siastat & SIASTAT_LS100) == 0) 4049 sc->sc_flags |= TULIPF_LINK_UP; 4050 break; 4051 } 4052 4053 switch (sc->sc_chip) { 4054 case TULIP_CHIP_21142: 4055 case TULIP_CHIP_21143: 4056 /* 4057 * On these chips, we can tell more information about 4058 * AUI/BNC. Note that the AUI/BNC selection is made 4059 * in a different register; for our purpose, it's all 4060 * AUI. 4061 */ 4062 switch (IFM_SUBTYPE(ife->ifm_media)) { 4063 case IFM_10_2: 4064 case IFM_10_5: 4065 sc->sc_flags |= TULIPF_LINK_VALID; 4066 if (siastat & SIASTAT_ARA) { 4067 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4068 sc->sc_flags |= TULIPF_LINK_UP; 4069 } 4070 break; 4071 4072 default: 4073 /* 4074 * If we're SYM media and can detect the link 4075 * via the GPIO facility, prefer that status 4076 * over LS100. 4077 */ 4078 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4079 tm->tm_actmask != 0) { 4080 sc->sc_flags = (sc->sc_flags & 4081 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4082 if (TULIP_ISSET(sc, CSR_SIAGEN, 4083 tm->tm_actmask) == tm->tm_actdata) 4084 sc->sc_flags |= TULIPF_LINK_UP; 4085 } 4086 } 4087 break; 4088 4089 default: 4090 /* Nothing. */ 4091 break; 4092 } 4093 } 4094 4095 void 4096 tlp_sia_get(sc, ifmr) 4097 struct tulip_softc *sc; 4098 struct ifmediareq *ifmr; 4099 { 4100 struct ifmedia_entry *ife; 4101 4102 ifmr->ifm_status = 0; 4103 4104 tlp_sia_update_link(sc); 4105 4106 ife = TULIP_CURRENT_MEDIA(sc); 4107 4108 if (sc->sc_flags & TULIPF_LINK_VALID) 4109 ifmr->ifm_status |= IFM_AVALID; 4110 if (sc->sc_flags & TULIPF_LINK_UP) 4111 ifmr->ifm_status |= IFM_ACTIVE; 4112 ifmr->ifm_active = ife->ifm_media; 4113 } 4114 4115 void 4116 tlp_sia_fixup(sc) 4117 struct tulip_softc *sc; 4118 { 4119 struct ifmedia_entry *ife; 4120 struct tulip_21x4x_media *tm; 4121 u_int32_t siaconn, siatxrx, siagen; 4122 4123 switch (sc->sc_chip) { 4124 case TULIP_CHIP_82C115: 4125 case TULIP_CHIP_MX98713A: 4126 case TULIP_CHIP_MX98715: 4127 case TULIP_CHIP_MX98715A: 4128 case TULIP_CHIP_MX98715AEC_X: 4129 case TULIP_CHIP_MX98725: 4130 siaconn = PMAC_SIACONN_MASK; 4131 siatxrx = PMAC_SIATXRX_MASK; 4132 siagen = PMAC_SIAGEN_MASK; 4133 break; 4134 4135 default: 4136 /* No fixups required on any other chips. */ 4137 return; 4138 } 4139 4140 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4141 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4142 tm = ife->ifm_aux; 4143 if (tm == NULL) 4144 continue; 4145 4146 tm->tm_siaconn &= siaconn; 4147 tm->tm_siatxrx &= siatxrx; 4148 tm->tm_siagen &= siagen; 4149 } 4150 } 4151 4152 int 4153 tlp_sia_set(sc) 4154 struct tulip_softc *sc; 4155 { 4156 4157 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4158 } 4159 4160 int 4161 tlp_sia_media(sc, ife) 4162 struct tulip_softc *sc; 4163 struct ifmedia_entry *ife; 4164 { 4165 struct tulip_21x4x_media *tm; 4166 4167 tm = ife->ifm_aux; 4168 4169 /* 4170 * XXX This appears to be necessary on a bunch of the clone chips. 4171 */ 4172 delay(20000); 4173 4174 /* 4175 * Idle the chip. 4176 */ 4177 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4178 4179 /* 4180 * Program the SIA. It's important to write in this order, 4181 * resetting the SIA first. 4182 */ 4183 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4184 delay(1000); 4185 4186 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4187 4188 switch (sc->sc_chip) { 4189 case TULIP_CHIP_21142: 4190 case TULIP_CHIP_21143: 4191 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4192 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4193 break; 4194 default: 4195 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4196 } 4197 4198 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4199 4200 /* 4201 * Set the OPMODE bits for this media and write OPMODE. 4202 * This will resume the transmit and receive processes. 4203 */ 4204 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4205 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4206 4207 return (0); 4208 } 4209 4210 /* 4211 * 21140 GPIO utility functions. 4212 */ 4213 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4214 4215 void 4216 tlp_21140_gpio_update_link(sc) 4217 struct tulip_softc *sc; 4218 { 4219 struct ifmedia_entry *ife; 4220 struct tulip_21x4x_media *tm; 4221 4222 ife = TULIP_CURRENT_MEDIA(sc); 4223 tm = ife->ifm_aux; 4224 4225 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4226 4227 if (tm->tm_actmask != 0) { 4228 sc->sc_flags |= TULIPF_LINK_VALID; 4229 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4230 tm->tm_actdata) 4231 sc->sc_flags |= TULIPF_LINK_UP; 4232 } 4233 } 4234 4235 void 4236 tlp_21140_gpio_get(sc, ifmr) 4237 struct tulip_softc *sc; 4238 struct ifmediareq *ifmr; 4239 { 4240 struct ifmedia_entry *ife; 4241 4242 ifmr->ifm_status = 0; 4243 4244 tlp_21140_gpio_update_link(sc); 4245 4246 ife = TULIP_CURRENT_MEDIA(sc); 4247 4248 if (sc->sc_flags & TULIPF_LINK_VALID) 4249 ifmr->ifm_status |= IFM_AVALID; 4250 if (sc->sc_flags & TULIPF_LINK_UP) 4251 ifmr->ifm_status |= IFM_ACTIVE; 4252 ifmr->ifm_active = ife->ifm_media; 4253 } 4254 4255 int 4256 tlp_21140_gpio_set(sc) 4257 struct tulip_softc *sc; 4258 { 4259 struct ifmedia_entry *ife; 4260 struct tulip_21x4x_media *tm; 4261 4262 ife = TULIP_CURRENT_MEDIA(sc); 4263 tm = ife->ifm_aux; 4264 4265 /* 4266 * Idle the chip. 4267 */ 4268 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4269 4270 /* 4271 * Set the GPIO pins for this media, to flip any 4272 * relays, etc. 4273 */ 4274 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4275 delay(10); 4276 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4277 4278 /* 4279 * Set the OPMODE bits for this media and write OPMODE. 4280 * This will resume the transmit and receive processes. 4281 */ 4282 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4283 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4284 4285 return (0); 4286 } 4287 4288 /* 4289 * 21040 and 21041 media switches. 4290 */ 4291 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4292 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4293 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4294 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4295 4296 const struct tulip_mediasw tlp_21040_mediasw = { 4297 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4298 }; 4299 4300 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4301 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4302 }; 4303 4304 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4305 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4306 }; 4307 4308 const struct tulip_mediasw tlp_21041_mediasw = { 4309 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4310 }; 4311 4312 4313 void 4314 tlp_21040_tmsw_init(sc) 4315 struct tulip_softc *sc; 4316 { 4317 static const u_int8_t media[] = { 4318 TULIP_ROM_MB_MEDIA_TP, 4319 TULIP_ROM_MB_MEDIA_TP_FDX, 4320 TULIP_ROM_MB_MEDIA_AUI, 4321 }; 4322 struct tulip_21x4x_media *tm; 4323 4324 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4325 tlp_mediastatus); 4326 4327 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4328 4329 /* 4330 * No SROM type for External SIA. 4331 */ 4332 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4333 tm->tm_name = "manual"; 4334 tm->tm_opmode = 0; 4335 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4336 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4337 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4338 ifmedia_add(&sc->sc_mii.mii_media, 4339 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4340 4341 /* 4342 * XXX Autosense not yet supported. 4343 */ 4344 4345 /* XXX This should be auto-sense. */ 4346 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4347 4348 tlp_print_media(sc); 4349 } 4350 4351 void 4352 tlp_21040_tp_tmsw_init(sc) 4353 struct tulip_softc *sc; 4354 { 4355 static const u_int8_t media[] = { 4356 TULIP_ROM_MB_MEDIA_TP, 4357 TULIP_ROM_MB_MEDIA_TP_FDX, 4358 }; 4359 4360 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4361 tlp_mediastatus); 4362 4363 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4364 4365 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4366 4367 tlp_print_media(sc); 4368 } 4369 4370 void 4371 tlp_21040_auibnc_tmsw_init(sc) 4372 struct tulip_softc *sc; 4373 { 4374 static const u_int8_t media[] = { 4375 TULIP_ROM_MB_MEDIA_AUI, 4376 }; 4377 4378 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4379 tlp_mediastatus); 4380 4381 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4382 4383 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4384 4385 tlp_print_media(sc); 4386 } 4387 4388 void 4389 tlp_21041_tmsw_init(sc) 4390 struct tulip_softc *sc; 4391 { 4392 static const u_int8_t media[] = { 4393 TULIP_ROM_MB_MEDIA_TP, 4394 TULIP_ROM_MB_MEDIA_TP_FDX, 4395 TULIP_ROM_MB_MEDIA_BNC, 4396 TULIP_ROM_MB_MEDIA_AUI, 4397 }; 4398 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4399 const struct tulip_srom_to_ifmedia *tsti; 4400 struct tulip_21x4x_media *tm; 4401 u_int16_t romdef; 4402 u_int8_t mb; 4403 4404 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4405 tlp_mediastatus); 4406 4407 if (tlp_isv_srom(sc->sc_srom) == 0) { 4408 not_isv_srom: 4409 /* 4410 * If we have a board without the standard 21041 SROM format, 4411 * we just assume all media are present and try and pick a 4412 * reasonable default. 4413 */ 4414 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4415 4416 /* 4417 * XXX Autosense not yet supported. 4418 */ 4419 4420 /* XXX This should be auto-sense. */ 4421 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4422 4423 tlp_print_media(sc); 4424 return; 4425 } 4426 4427 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4428 for (i = 0; i < devcnt; i++) { 4429 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4430 break; 4431 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4432 sc->sc_devno) 4433 break; 4434 } 4435 4436 if (i == devcnt) 4437 goto not_isv_srom; 4438 4439 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4440 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4441 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4442 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4443 4444 for (; m_cnt != 0; 4445 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4446 mb = sc->sc_srom[mb_offset]; 4447 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4448 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4449 case TULIP_ROM_MB_MEDIA_TP_FDX: 4450 case TULIP_ROM_MB_MEDIA_TP: 4451 case TULIP_ROM_MB_MEDIA_BNC: 4452 case TULIP_ROM_MB_MEDIA_AUI: 4453 tsti = tlp_srom_to_ifmedia(mb & 4454 TULIP_ROM_MB_MEDIA_CODE); 4455 4456 tlp_srom_media_info(sc, tsti, tm); 4457 4458 /* 4459 * Override our default SIA settings if the 4460 * SROM contains its own. 4461 */ 4462 if (mb & TULIP_ROM_MB_EXT) { 4463 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4464 mb_offset + TULIP_ROM_MB_CSR13); 4465 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4466 mb_offset + TULIP_ROM_MB_CSR14); 4467 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4468 mb_offset + TULIP_ROM_MB_CSR15); 4469 } 4470 4471 ifmedia_add(&sc->sc_mii.mii_media, 4472 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4473 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4474 break; 4475 4476 default: 4477 printf("%s: unknown media code 0x%02x\n", 4478 sc->sc_dev.dv_xname, 4479 mb & TULIP_ROM_MB_MEDIA_CODE); 4480 free(tm, M_DEVBUF); 4481 } 4482 } 4483 4484 /* 4485 * XXX Autosense not yet supported. 4486 */ 4487 4488 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4489 TULIP_ROM_IL_SELECT_CONN_TYPE); 4490 switch (romdef) { 4491 case SELECT_CONN_TYPE_TP: 4492 case SELECT_CONN_TYPE_TP_AUTONEG: 4493 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4494 defmedia = IFM_ETHER|IFM_10_T; 4495 break; 4496 4497 case SELECT_CONN_TYPE_TP_FDX: 4498 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4499 break; 4500 4501 case SELECT_CONN_TYPE_BNC: 4502 defmedia = IFM_ETHER|IFM_10_2; 4503 break; 4504 4505 case SELECT_CONN_TYPE_AUI: 4506 defmedia = IFM_ETHER|IFM_10_5; 4507 break; 4508 #if 0 /* XXX */ 4509 case SELECT_CONN_TYPE_ASENSE: 4510 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4511 defmedia = IFM_ETHER|IFM_AUTO; 4512 break; 4513 #endif 4514 default: 4515 defmedia = 0; 4516 } 4517 4518 if (defmedia == 0) { 4519 /* 4520 * XXX We should default to auto-sense. 4521 */ 4522 defmedia = IFM_ETHER|IFM_10_T; 4523 } 4524 4525 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4526 4527 tlp_print_media(sc); 4528 } 4529 4530 /* 4531 * DECchip 2114x ISV media switch. 4532 */ 4533 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4534 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4535 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4536 4537 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4538 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4539 }; 4540 4541 void tlp_2114x_nway_get __P((struct tulip_softc *, struct ifmediareq *)); 4542 int tlp_2114x_nway_set __P((struct tulip_softc *)); 4543 4544 void tlp_2114x_nway_statchg __P((struct device *)); 4545 int tlp_2114x_nway_service __P((struct tulip_softc *, int)); 4546 void tlp_2114x_nway_auto __P((struct tulip_softc *)); 4547 void tlp_2114x_nway_status __P((struct tulip_softc *)); 4548 4549 void 4550 tlp_2114x_isv_tmsw_init(sc) 4551 struct tulip_softc *sc; 4552 { 4553 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4554 struct ifmedia_entry *ife; 4555 struct mii_softc *phy; 4556 struct tulip_21x4x_media *tm; 4557 const struct tulip_srom_to_ifmedia *tsti; 4558 int i, devcnt, leaf_offset, m_cnt, type, length; 4559 int defmedia, miidef; 4560 u_int16_t word; 4561 u_int8_t *cp, *ncp; 4562 4563 defmedia = miidef = 0; 4564 4565 sc->sc_mii.mii_ifp = ifp; 4566 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4567 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4568 sc->sc_mii.mii_statchg = sc->sc_statchg; 4569 4570 /* 4571 * Ignore `instance'; we may get a mixture of SIA and MII 4572 * media, and `instance' is used to isolate or select the 4573 * PHY on the MII as appropriate. Note that duplicate media 4574 * are disallowed, so ignoring `instance' is safe. 4575 */ 4576 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4577 tlp_mediastatus); 4578 4579 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4580 for (i = 0; i < devcnt; i++) { 4581 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4582 break; 4583 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4584 sc->sc_devno) 4585 break; 4586 } 4587 4588 if (i == devcnt) { 4589 printf("%s: unable to locate info leaf in SROM\n", 4590 sc->sc_dev.dv_xname); 4591 return; 4592 } 4593 4594 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4595 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4596 4597 /* XXX SELECT CONN TYPE */ 4598 4599 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4600 4601 /* 4602 * On some chips, the first thing in the Info Leaf is the 4603 * GPIO pin direction data. 4604 */ 4605 switch (sc->sc_chip) { 4606 case TULIP_CHIP_21140: 4607 case TULIP_CHIP_21140A: 4608 case TULIP_CHIP_MX98713: 4609 case TULIP_CHIP_AX88140: 4610 case TULIP_CHIP_AX88141: 4611 sc->sc_gp_dir = *cp++; 4612 break; 4613 4614 default: 4615 /* Nothing. */ 4616 break; 4617 } 4618 4619 /* Get the media count. */ 4620 m_cnt = *cp++; 4621 4622 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4623 /* 4624 * Determine the type and length of this media block. 4625 * The 21143 is spec'd to always use extended format blocks, 4626 * but some cards don't set the bit to indicate this. 4627 * Hopefully there are no cards which really don't use 4628 * extended format blocks. 4629 */ 4630 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4631 length = 4; 4632 type = TULIP_ROM_MB_21140_GPR; 4633 } else { 4634 length = (*cp++ & 0x7f) - 1; 4635 type = *cp++ & 0x3f; 4636 } 4637 4638 /* Compute the start of the next block. */ 4639 ncp = cp + length; 4640 4641 /* Now, parse the block. */ 4642 switch (type) { 4643 case TULIP_ROM_MB_21140_GPR: 4644 tlp_get_minst(sc); 4645 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4646 4647 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4648 4649 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4650 tm->tm_get = tlp_21140_gpio_get; 4651 tm->tm_set = tlp_21140_gpio_set; 4652 4653 /* First is the media type code. */ 4654 tsti = tlp_srom_to_ifmedia(cp[0] & 4655 TULIP_ROM_MB_MEDIA_CODE); 4656 if (tsti == NULL) { 4657 /* Invalid media code. */ 4658 free(tm, M_DEVBUF); 4659 break; 4660 } 4661 4662 /* Get defaults. */ 4663 tlp_srom_media_info(sc, tsti, tm); 4664 4665 /* Next is any GPIO info for this media. */ 4666 tm->tm_gpdata = cp[1]; 4667 4668 /* 4669 * Next is a word containing OPMODE information 4670 * and info on how to detect if this media is 4671 * active. 4672 */ 4673 word = TULIP_ROM_GETW(cp, 2); 4674 tm->tm_opmode &= OPMODE_FD; 4675 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4676 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4677 tm->tm_actmask = 4678 TULIP_ROM_MB_BITPOS(word); 4679 tm->tm_actdata = 4680 (word & TULIP_ROM_MB_POLARITY) ? 4681 0 : tm->tm_actmask; 4682 } 4683 4684 ifmedia_add(&sc->sc_mii.mii_media, 4685 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4686 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4687 break; 4688 4689 case TULIP_ROM_MB_21140_MII: 4690 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4691 4692 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4693 4694 tm->tm_type = TULIP_ROM_MB_21140_MII; 4695 tm->tm_get = tlp_mii_getmedia; 4696 tm->tm_set = tlp_mii_setmedia; 4697 tm->tm_opmode = OPMODE_PS; 4698 4699 if (sc->sc_reset == NULL) 4700 sc->sc_reset = tlp_21140_reset; 4701 4702 /* First is the PHY number. */ 4703 tm->tm_phyno = *cp++; 4704 4705 /* Next is the MII select sequence length and offset. */ 4706 tm->tm_gp_length = *cp++; 4707 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4708 cp += tm->tm_gp_length; 4709 4710 /* Next is the MII reset sequence length and offset. */ 4711 tm->tm_reset_length = *cp++; 4712 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4713 cp += tm->tm_reset_length; 4714 4715 /* 4716 * The following items are left in the media block 4717 * that we don't particularly care about: 4718 * 4719 * capabilities W 4720 * advertisement W 4721 * full duplex W 4722 * tx threshold W 4723 * 4724 * These appear to be bits in the PHY registers, 4725 * which our MII code handles on its own. 4726 */ 4727 4728 /* 4729 * Before we probe the MII bus, we need to reset 4730 * it and issue the selection sequence. 4731 */ 4732 4733 /* Set the direction of the pins... */ 4734 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4735 4736 for (i = 0; i < tm->tm_reset_length; i++) { 4737 delay(10); 4738 TULIP_WRITE(sc, CSR_GPP, 4739 sc->sc_srom[tm->tm_reset_offset + i]); 4740 } 4741 4742 for (i = 0; i < tm->tm_gp_length; i++) { 4743 delay(10); 4744 TULIP_WRITE(sc, CSR_GPP, 4745 sc->sc_srom[tm->tm_gp_offset + i]); 4746 } 4747 4748 /* If there were no sequences, just lower the pins. */ 4749 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4750 delay(10); 4751 TULIP_WRITE(sc, CSR_GPP, 0); 4752 } 4753 4754 /* 4755 * Now, probe the MII for the PHY. Note, we know 4756 * the location of the PHY on the bus, but we don't 4757 * particularly care; the MII code just likes to 4758 * search the whole thing anyhow. 4759 */ 4760 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4761 MII_PHY_ANY, tm->tm_phyno, 0); 4762 4763 /* 4764 * Now, search for the PHY we hopefully just 4765 * configured. If it's not configured into the 4766 * kernel, we lose. The PHY's default media always 4767 * takes priority. 4768 */ 4769 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4770 phy != NULL; 4771 phy = LIST_NEXT(phy, mii_list)) 4772 if (phy->mii_offset == tm->tm_phyno) 4773 break; 4774 if (phy == NULL) { 4775 printf("%s: unable to configure MII\n", 4776 sc->sc_dev.dv_xname); 4777 break; 4778 } 4779 4780 sc->sc_flags |= TULIPF_HAS_MII; 4781 sc->sc_tick = tlp_mii_tick; 4782 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4783 phy->mii_inst); 4784 4785 /* 4786 * Okay, now that we've found the PHY and the MII 4787 * layer has added all of the media associated 4788 * with that PHY, we need to traverse the media 4789 * list, and add our `tm' to each entry's `aux' 4790 * pointer. 4791 * 4792 * We do this by looking for media with our 4793 * PHY's `instance'. 4794 */ 4795 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4796 ife != NULL; 4797 ife = TAILQ_NEXT(ife, ifm_list)) { 4798 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4799 continue; 4800 ife->ifm_aux = tm; 4801 } 4802 break; 4803 4804 case TULIP_ROM_MB_21142_SIA: 4805 tlp_get_minst(sc); 4806 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4807 4808 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4809 4810 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4811 tm->tm_get = tlp_sia_get; 4812 tm->tm_set = tlp_sia_set; 4813 4814 /* First is the media type code. */ 4815 tsti = tlp_srom_to_ifmedia(cp[0] & 4816 TULIP_ROM_MB_MEDIA_CODE); 4817 if (tsti == NULL) { 4818 /* Invalid media code. */ 4819 free(tm, M_DEVBUF); 4820 break; 4821 } 4822 4823 /* Get defaults. */ 4824 tlp_srom_media_info(sc, tsti, tm); 4825 4826 /* 4827 * Override our default SIA settings if the 4828 * SROM contains its own. 4829 */ 4830 if (cp[0] & 0x40) { 4831 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4832 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4833 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4834 cp += 7; 4835 } else 4836 cp++; 4837 4838 /* Next is GPIO control/data. */ 4839 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4840 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4841 4842 ifmedia_add(&sc->sc_mii.mii_media, 4843 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4844 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4845 break; 4846 4847 case TULIP_ROM_MB_21142_MII: 4848 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4849 4850 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4851 4852 tm->tm_type = TULIP_ROM_MB_21142_MII; 4853 tm->tm_get = tlp_mii_getmedia; 4854 tm->tm_set = tlp_mii_setmedia; 4855 tm->tm_opmode = OPMODE_PS; 4856 4857 if (sc->sc_reset == NULL) 4858 sc->sc_reset = tlp_21142_reset; 4859 4860 /* First is the PHY number. */ 4861 tm->tm_phyno = *cp++; 4862 4863 /* Next is the MII select sequence length and offset. */ 4864 tm->tm_gp_length = *cp++; 4865 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4866 cp += tm->tm_gp_length * 2; 4867 4868 /* Next is the MII reset sequence length and offset. */ 4869 tm->tm_reset_length = *cp++; 4870 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4871 cp += tm->tm_reset_length * 2; 4872 4873 /* 4874 * The following items are left in the media block 4875 * that we don't particularly care about: 4876 * 4877 * capabilities W 4878 * advertisement W 4879 * full duplex W 4880 * tx threshold W 4881 * MII interrupt W 4882 * 4883 * These appear to be bits in the PHY registers, 4884 * which our MII code handles on its own. 4885 */ 4886 4887 /* 4888 * Before we probe the MII bus, we need to reset 4889 * it and issue the selection sequence. 4890 */ 4891 4892 cp = &sc->sc_srom[tm->tm_reset_offset]; 4893 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4894 delay(10); 4895 TULIP_WRITE(sc, CSR_SIAGEN, 4896 TULIP_ROM_GETW(cp, 0) << 16); 4897 } 4898 4899 cp = &sc->sc_srom[tm->tm_gp_offset]; 4900 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4901 delay(10); 4902 TULIP_WRITE(sc, CSR_SIAGEN, 4903 TULIP_ROM_GETW(cp, 0) << 16); 4904 } 4905 4906 /* If there were no sequences, just lower the pins. */ 4907 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4908 delay(10); 4909 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4910 } 4911 4912 /* 4913 * Now, probe the MII for the PHY. Note, we know 4914 * the location of the PHY on the bus, but we don't 4915 * particularly care; the MII code just likes to 4916 * search the whole thing anyhow. 4917 */ 4918 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4919 MII_PHY_ANY, tm->tm_phyno, 0); 4920 4921 /* 4922 * Now, search for the PHY we hopefully just 4923 * configured. If it's not configured into the 4924 * kernel, we lose. The PHY's default media always 4925 * takes priority. 4926 */ 4927 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4928 phy != NULL; 4929 phy = LIST_NEXT(phy, mii_list)) 4930 if (phy->mii_offset == tm->tm_phyno) 4931 break; 4932 if (phy == NULL) { 4933 printf("%s: unable to configure MII\n", 4934 sc->sc_dev.dv_xname); 4935 break; 4936 } 4937 4938 sc->sc_flags |= TULIPF_HAS_MII; 4939 sc->sc_tick = tlp_mii_tick; 4940 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4941 phy->mii_inst); 4942 4943 /* 4944 * Okay, now that we've found the PHY and the MII 4945 * layer has added all of the media associated 4946 * with that PHY, we need to traverse the media 4947 * list, and add our `tm' to each entry's `aux' 4948 * pointer. 4949 * 4950 * We do this by looking for media with our 4951 * PHY's `instance'. 4952 */ 4953 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4954 ife != NULL; 4955 ife = TAILQ_NEXT(ife, ifm_list)) { 4956 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4957 continue; 4958 ife->ifm_aux = tm; 4959 } 4960 break; 4961 4962 case TULIP_ROM_MB_21143_SYM: 4963 tlp_get_minst(sc); 4964 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4965 4966 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4967 4968 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4969 tm->tm_get = tlp_sia_get; 4970 tm->tm_set = tlp_sia_set; 4971 4972 /* First is the media type code. */ 4973 tsti = tlp_srom_to_ifmedia(cp[0] & 4974 TULIP_ROM_MB_MEDIA_CODE); 4975 if (tsti == NULL) { 4976 /* Invalid media code. */ 4977 free(tm, M_DEVBUF); 4978 break; 4979 } 4980 4981 /* Get defaults. */ 4982 tlp_srom_media_info(sc, tsti, tm); 4983 4984 /* Next is GPIO control/data. */ 4985 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 4986 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 4987 4988 /* 4989 * Next is a word containing OPMODE information 4990 * and info on how to detect if this media is 4991 * active. 4992 */ 4993 word = TULIP_ROM_GETW(cp, 5); 4994 tm->tm_opmode &= OPMODE_FD; 4995 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4996 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4997 tm->tm_actmask = 4998 TULIP_ROM_MB_BITPOS(word); 4999 tm->tm_actdata = 5000 (word & TULIP_ROM_MB_POLARITY) ? 5001 0 : tm->tm_actmask; 5002 } 5003 5004 ifmedia_add(&sc->sc_mii.mii_media, 5005 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5006 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5007 break; 5008 5009 case TULIP_ROM_MB_21143_RESET: 5010 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 5011 break; 5012 5013 default: 5014 printf("%s: unknown ISV media block type 0x%02x\n", 5015 sc->sc_dev.dv_xname, type); 5016 } 5017 } 5018 5019 /* 5020 * Deal with the case where no media is configured. 5021 */ 5022 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5023 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 5024 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5025 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5026 return; 5027 } 5028 5029 /* 5030 * Pick the default media. 5031 */ 5032 if (miidef != 0) 5033 defmedia = miidef; 5034 else { 5035 switch (sc->sc_chip) { 5036 case TULIP_CHIP_21140: 5037 case TULIP_CHIP_21140A: 5038 /* XXX should come from SROM */ 5039 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5040 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5041 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5042 /* 5043 * There is not a 10baseT media. 5044 * Fall back to the first found one. 5045 */ 5046 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5047 defmedia = ife->ifm_media; 5048 } 5049 break; 5050 5051 case TULIP_CHIP_21142: 5052 case TULIP_CHIP_21143: 5053 case TULIP_CHIP_MX98713A: 5054 case TULIP_CHIP_MX98715: 5055 case TULIP_CHIP_MX98715A: 5056 case TULIP_CHIP_MX98715AEC_X: 5057 case TULIP_CHIP_MX98725: 5058 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5059 tm->tm_name = "auto"; 5060 tm->tm_get = tlp_2114x_nway_get; 5061 tm->tm_set = tlp_2114x_nway_set; 5062 5063 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5064 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5065 5066 sc->sc_statchg = tlp_2114x_nway_statchg; 5067 sc->sc_tick = tlp_2114x_nway_tick; 5068 break; 5069 5070 default: 5071 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5072 break; 5073 } 5074 } 5075 5076 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5077 5078 /* 5079 * Display any non-MII media we've located. 5080 */ 5081 if (sc->sc_media_seen & 5082 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5083 tlp_print_media(sc); 5084 5085 tlp_sia_fixup(sc); 5086 } 5087 5088 void 5089 tlp_2114x_nway_get(sc, ifmr) 5090 struct tulip_softc *sc; 5091 struct ifmediareq *ifmr; 5092 { 5093 5094 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5095 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5096 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5097 } 5098 5099 int 5100 tlp_2114x_nway_set(sc) 5101 struct tulip_softc *sc; 5102 { 5103 5104 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5105 } 5106 5107 void 5108 tlp_2114x_nway_statchg(self) 5109 struct device *self; 5110 { 5111 struct tulip_softc *sc = (struct tulip_softc *)self; 5112 struct mii_data *mii = &sc->sc_mii; 5113 struct ifmedia_entry *ife; 5114 5115 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5116 return; 5117 5118 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5119 mii->mii_media.ifm_mask)) == NULL) { 5120 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5121 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5122 panic("tlp_2114x_nway_statchg"); 5123 } 5124 5125 tlp_sia_media(sc, ife); 5126 } 5127 5128 void 5129 tlp_2114x_nway_tick(arg) 5130 void *arg; 5131 { 5132 struct tulip_softc *sc = arg; 5133 struct mii_data *mii = &sc->sc_mii; 5134 int s, ticks; 5135 5136 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5137 return; 5138 5139 s = splnet(); 5140 tlp_2114x_nway_service(sc, MII_TICK); 5141 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5142 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5143 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5144 sc->sc_flags |= TULIPF_LINK_UP; 5145 tlp_start(&sc->sc_ethercom.ec_if); 5146 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5147 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5148 sc->sc_flags &= ~TULIPF_LINK_UP; 5149 } 5150 splx(s); 5151 5152 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5153 ticks = hz >> 3; 5154 else 5155 ticks = hz; 5156 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5157 } 5158 5159 /* 5160 * Support for the 2114X internal NWay block. This is constructed 5161 * somewhat like a PHY driver for simplicity. 5162 */ 5163 5164 int 5165 tlp_2114x_nway_service(sc, cmd) 5166 struct tulip_softc *sc; 5167 int cmd; 5168 { 5169 struct mii_data *mii = &sc->sc_mii; 5170 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5171 5172 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5173 return (0); 5174 5175 switch (cmd) { 5176 case MII_POLLSTAT: 5177 /* Nothing special to do here. */ 5178 break; 5179 5180 case MII_MEDIACHG: 5181 switch (IFM_SUBTYPE(ife->ifm_media)) { 5182 case IFM_AUTO: 5183 goto restart; 5184 default: 5185 /* Manual setting doesn't go through here. */ 5186 printf("tlp_2114x_nway_service: oops!\n"); 5187 return (EINVAL); 5188 } 5189 break; 5190 5191 case MII_TICK: 5192 /* 5193 * Only used for autonegotiation. 5194 */ 5195 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5196 break; 5197 5198 /* 5199 * Check to see if we have link. If we do, we don't 5200 * need to restart the autonegotiation process. 5201 */ 5202 #if 0 5203 if (mii->mii_media_status & IFM_ACTIVE) 5204 #else 5205 if (sc->sc_flags & TULIPF_LINK_UP) 5206 #endif 5207 break; 5208 5209 /* 5210 * Only retry autonegotiation every 5 seconds. 5211 */ 5212 if (++sc->sc_nway_ticks != (5 << 3)) 5213 break; 5214 5215 restart: 5216 sc->sc_nway_ticks = 0; 5217 ife->ifm_data = IFM_NONE; 5218 tlp_2114x_nway_auto(sc); 5219 break; 5220 } 5221 5222 /* Update the media status. */ 5223 tlp_2114x_nway_status(sc); 5224 5225 /* 5226 * Callback if something changed. Manually configuration goes through 5227 * tlp_sia_set() anyway, so ignore that here. 5228 */ 5229 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5230 ife->ifm_data != mii->mii_media_active) { 5231 (*sc->sc_statchg)(&sc->sc_dev); 5232 ife->ifm_data = mii->mii_media_active; 5233 } 5234 return (0); 5235 } 5236 5237 void 5238 tlp_2114x_nway_auto(sc) 5239 struct tulip_softc *sc; 5240 { 5241 uint32_t siastat, siatxrx; 5242 5243 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5244 5245 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5246 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5247 siatxrx = 0xffbf; /* XXX magic number */ 5248 5249 /* Compute the link code word to advertise. */ 5250 if (sc->sc_sia_cap & BMSR_100T4) 5251 siatxrx |= SIATXRX_T4; 5252 if (sc->sc_sia_cap & BMSR_100TXFDX) 5253 siatxrx |= SIATXRX_TXF; 5254 if (sc->sc_sia_cap & BMSR_100TXHDX) 5255 siatxrx |= SIATXRX_THX; 5256 if (sc->sc_sia_cap & BMSR_10TFDX) 5257 sc->sc_opmode |= OPMODE_FD; 5258 if (sc->sc_sia_cap & BMSR_10THDX) 5259 siatxrx |= SIATXRX_TH; 5260 5261 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5262 5263 TULIP_WRITE(sc, CSR_SIACONN, 0); 5264 delay(1000); 5265 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5266 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5267 5268 siastat = TULIP_READ(sc, CSR_SIASTAT); 5269 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5270 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5271 siastat |= SIASTAT_ANS_TXDIS; 5272 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5273 } 5274 5275 void 5276 tlp_2114x_nway_status(sc) 5277 struct tulip_softc *sc; 5278 { 5279 struct mii_data *mii = &sc->sc_mii; 5280 uint32_t siatxrx, siastat, anlpar; 5281 5282 mii->mii_media_status = IFM_AVALID; 5283 mii->mii_media_active = IFM_ETHER; 5284 5285 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5286 return; 5287 5288 siastat = TULIP_READ(sc, CSR_SIASTAT); 5289 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5290 5291 if (siatxrx & SIATXRX_ANE) { 5292 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5293 /* Erg, still trying, I guess... */ 5294 mii->mii_media_active |= IFM_NONE; 5295 return; 5296 } 5297 5298 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5299 mii->mii_media_status |= IFM_ACTIVE; 5300 5301 if (siastat & SIASTAT_LPN) { 5302 anlpar = SIASTAT_GETLPC(siastat); 5303 if (anlpar & ANLPAR_T4 && 5304 sc->sc_sia_cap & BMSR_100T4) 5305 mii->mii_media_active |= IFM_100_T4; 5306 else if (anlpar & ANLPAR_TX_FD && 5307 sc->sc_sia_cap & BMSR_100TXFDX) 5308 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5309 else if (anlpar & ANLPAR_TX && 5310 sc->sc_sia_cap & BMSR_100TXHDX) 5311 mii->mii_media_active |= IFM_100_TX; 5312 else if (anlpar & ANLPAR_10_FD && 5313 sc->sc_sia_cap & BMSR_10TFDX) 5314 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5315 else if (anlpar & ANLPAR_10 && 5316 sc->sc_sia_cap & BMSR_10THDX) 5317 mii->mii_media_active |= IFM_10_T; 5318 else 5319 mii->mii_media_active |= IFM_NONE; 5320 } else { 5321 /* 5322 * If the other side doesn't support NWAY, then the 5323 * best we can do is determine if we have a 10Mbps or 5324 * 100Mbps link. There's no way to know if the link 5325 * is full or half duplex, so we default to half duplex 5326 * and hope that the user is clever enough to manually 5327 * change the media settings if we're wrong. 5328 */ 5329 if ((siastat & SIASTAT_LS100) == 0) 5330 mii->mii_media_active |= IFM_100_TX; 5331 else if ((siastat & SIASTAT_LS10) == 0) 5332 mii->mii_media_active |= IFM_10_T; 5333 else 5334 mii->mii_media_active |= IFM_NONE; 5335 } 5336 } else { 5337 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5338 mii->mii_media_status |= IFM_ACTIVE; 5339 5340 if (sc->sc_opmode & OPMODE_TTM) 5341 mii->mii_media_active |= IFM_10_T; 5342 else 5343 mii->mii_media_active |= IFM_100_TX; 5344 if (sc->sc_opmode & OPMODE_FD) 5345 mii->mii_media_active |= IFM_FDX; 5346 } 5347 } 5348 5349 void 5350 tlp_2114x_isv_tmsw_get(sc, ifmr) 5351 struct tulip_softc *sc; 5352 struct ifmediareq *ifmr; 5353 { 5354 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5355 struct tulip_21x4x_media *tm = ife->ifm_aux; 5356 5357 (*tm->tm_get)(sc, ifmr); 5358 } 5359 5360 int 5361 tlp_2114x_isv_tmsw_set(sc) 5362 struct tulip_softc *sc; 5363 { 5364 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5365 struct tulip_21x4x_media *tm = ife->ifm_aux; 5366 5367 /* 5368 * Check to see if we need to reset the chip, and do it. The 5369 * reset path will get the OPMODE register right the next 5370 * time through. 5371 */ 5372 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5373 return (tlp_init(&sc->sc_ethercom.ec_if)); 5374 5375 return ((*tm->tm_set)(sc)); 5376 } 5377 5378 /* 5379 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5380 */ 5381 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5382 5383 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5384 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5385 }; 5386 5387 void 5388 tlp_sio_mii_tmsw_init(sc) 5389 struct tulip_softc *sc; 5390 { 5391 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5392 5393 /* 5394 * We don't attach any media info structures to the ifmedia 5395 * entries, so if we're using a pre-init function that needs 5396 * that info, override it to one that doesn't. 5397 */ 5398 if (sc->sc_preinit == tlp_2114x_preinit) 5399 sc->sc_preinit = tlp_2114x_mii_preinit; 5400 5401 sc->sc_mii.mii_ifp = ifp; 5402 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5403 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5404 sc->sc_mii.mii_statchg = sc->sc_statchg; 5405 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5406 tlp_mediastatus); 5407 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5408 MII_OFFSET_ANY, 0); 5409 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5410 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5411 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5412 } else { 5413 sc->sc_flags |= TULIPF_HAS_MII; 5414 sc->sc_tick = tlp_mii_tick; 5415 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5416 } 5417 } 5418 5419 /* 5420 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5421 */ 5422 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5423 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5424 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5425 5426 const struct tulip_mediasw tlp_pnic_mediasw = { 5427 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5428 }; 5429 5430 void tlp_pnic_nway_statchg __P((struct device *)); 5431 void tlp_pnic_nway_tick __P((void *)); 5432 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5433 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5434 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5435 void tlp_pnic_nway_auto_timeout __P((void *)); 5436 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5437 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5438 5439 void 5440 tlp_pnic_tmsw_init(sc) 5441 struct tulip_softc *sc; 5442 { 5443 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5444 const char *sep = ""; 5445 5446 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5447 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5448 5449 sc->sc_mii.mii_ifp = ifp; 5450 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5451 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5452 sc->sc_mii.mii_statchg = sc->sc_statchg; 5453 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5454 tlp_mediastatus); 5455 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5456 MII_OFFSET_ANY, 0); 5457 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5458 /* XXX What about AUI/BNC support? */ 5459 printf("%s: ", sc->sc_dev.dv_xname); 5460 5461 tlp_pnic_nway_reset(sc); 5462 5463 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5464 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5465 PRINT("10baseT"); 5466 5467 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5468 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5469 PRINT("10baseT-FDX"); 5470 5471 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5472 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5473 PRINT("100baseTX"); 5474 5475 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5476 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5477 PNIC_NWAY_CAP100TXFDX); 5478 PRINT("100baseTX-FDX"); 5479 5480 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5481 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5482 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5483 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5484 PRINT("auto"); 5485 5486 printf("\n"); 5487 5488 sc->sc_statchg = tlp_pnic_nway_statchg; 5489 sc->sc_tick = tlp_pnic_nway_tick; 5490 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5491 } else { 5492 sc->sc_flags |= TULIPF_HAS_MII; 5493 sc->sc_tick = tlp_mii_tick; 5494 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5495 } 5496 5497 #undef ADD 5498 #undef PRINT 5499 } 5500 5501 void 5502 tlp_pnic_tmsw_get(sc, ifmr) 5503 struct tulip_softc *sc; 5504 struct ifmediareq *ifmr; 5505 { 5506 struct mii_data *mii = &sc->sc_mii; 5507 5508 if (sc->sc_flags & TULIPF_HAS_MII) 5509 tlp_mii_getmedia(sc, ifmr); 5510 else { 5511 mii->mii_media_status = 0; 5512 mii->mii_media_active = IFM_NONE; 5513 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5514 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5515 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5516 } 5517 } 5518 5519 int 5520 tlp_pnic_tmsw_set(sc) 5521 struct tulip_softc *sc; 5522 { 5523 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5524 struct mii_data *mii = &sc->sc_mii; 5525 5526 if (sc->sc_flags & TULIPF_HAS_MII) { 5527 /* 5528 * Make sure the built-in Tx jabber timer is disabled. 5529 */ 5530 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5531 5532 return (tlp_mii_setmedia(sc)); 5533 } 5534 5535 if (ifp->if_flags & IFF_UP) { 5536 mii->mii_media_status = 0; 5537 mii->mii_media_active = IFM_NONE; 5538 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5539 } 5540 5541 return (0); 5542 } 5543 5544 void 5545 tlp_pnic_nway_statchg(self) 5546 struct device *self; 5547 { 5548 struct tulip_softc *sc = (struct tulip_softc *)self; 5549 5550 /* Idle the transmit and receive processes. */ 5551 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5552 5553 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5554 OPMODE_SCR|OPMODE_HBD); 5555 5556 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5557 sc->sc_opmode |= OPMODE_TTM; 5558 TULIP_WRITE(sc, CSR_GPP, 5559 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5560 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5561 } else { 5562 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5563 TULIP_WRITE(sc, CSR_GPP, 5564 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5565 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5566 } 5567 5568 if (sc->sc_mii.mii_media_active & IFM_FDX) 5569 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5570 5571 /* 5572 * Write new OPMODE bits. This also restarts the transmit 5573 * and receive processes. 5574 */ 5575 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5576 } 5577 5578 void 5579 tlp_pnic_nway_tick(arg) 5580 void *arg; 5581 { 5582 struct tulip_softc *sc = arg; 5583 int s; 5584 5585 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5586 return; 5587 5588 s = splnet(); 5589 tlp_pnic_nway_service(sc, MII_TICK); 5590 splx(s); 5591 5592 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5593 } 5594 5595 /* 5596 * Support for the Lite-On PNIC internal NWay block. This is constructed 5597 * somewhat like a PHY driver for simplicity. 5598 */ 5599 5600 int 5601 tlp_pnic_nway_service(sc, cmd) 5602 struct tulip_softc *sc; 5603 int cmd; 5604 { 5605 struct mii_data *mii = &sc->sc_mii; 5606 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5607 5608 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5609 return (0); 5610 5611 switch (cmd) { 5612 case MII_POLLSTAT: 5613 /* Nothing special to do here. */ 5614 break; 5615 5616 case MII_MEDIACHG: 5617 switch (IFM_SUBTYPE(ife->ifm_media)) { 5618 case IFM_AUTO: 5619 (void) tlp_pnic_nway_auto(sc, 1); 5620 break; 5621 case IFM_100_T4: 5622 /* 5623 * XXX Not supported as a manual setting right now. 5624 */ 5625 return (EINVAL); 5626 default: 5627 /* 5628 * NWAY register data is stored in the ifmedia entry. 5629 */ 5630 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5631 } 5632 break; 5633 5634 case MII_TICK: 5635 /* 5636 * Only used for autonegotiation. 5637 */ 5638 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5639 return (0); 5640 5641 /* 5642 * Check to see if we have link. If we do, we don't 5643 * need to restart the autonegotiation process. 5644 */ 5645 if (sc->sc_flags & TULIPF_LINK_UP) 5646 return (0); 5647 5648 /* 5649 * Only retry autonegotiation every 5 seconds. 5650 */ 5651 if (++sc->sc_nway_ticks != 5) 5652 return (0); 5653 5654 sc->sc_nway_ticks = 0; 5655 tlp_pnic_nway_reset(sc); 5656 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5657 return (0); 5658 break; 5659 } 5660 5661 /* Update the media status. */ 5662 tlp_pnic_nway_status(sc); 5663 5664 /* Callback if something changed. */ 5665 if ((sc->sc_nway_active == NULL || 5666 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5667 cmd == MII_MEDIACHG) { 5668 (*sc->sc_statchg)(&sc->sc_dev); 5669 tlp_nway_activate(sc, mii->mii_media_active); 5670 } 5671 return (0); 5672 } 5673 5674 void 5675 tlp_pnic_nway_reset(sc) 5676 struct tulip_softc *sc; 5677 { 5678 5679 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5680 delay(100); 5681 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5682 } 5683 5684 int 5685 tlp_pnic_nway_auto(sc, waitfor) 5686 struct tulip_softc *sc; 5687 int waitfor; 5688 { 5689 struct mii_data *mii = &sc->sc_mii; 5690 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5691 u_int32_t reg; 5692 int i; 5693 5694 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5695 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5696 5697 if (waitfor) { 5698 /* Wait 500ms for it to complete. */ 5699 for (i = 0; i < 500; i++) { 5700 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5701 if (reg & PNIC_NWAY_LPAR_MASK) { 5702 tlp_pnic_nway_acomp(sc); 5703 return (0); 5704 } 5705 delay(1000); 5706 } 5707 #if 0 5708 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5709 printf("%s: autonegotiation failed to complete\n", 5710 sc->sc_dev.dv_xname); 5711 #endif 5712 5713 /* 5714 * Don't need to worry about clearing DOINGAUTO. 5715 * If that's set, a timeout is pending, and it will 5716 * clear the flag. 5717 */ 5718 return (EIO); 5719 } 5720 5721 /* 5722 * Just let it finish asynchronously. This is for the benefit of 5723 * the tick handler driving autonegotiation. Don't want 500ms 5724 * delays all the time while the system is running! 5725 */ 5726 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5727 sc->sc_flags |= TULIPF_DOINGAUTO; 5728 callout_reset(&sc->sc_nway_callout, hz >> 1, 5729 tlp_pnic_nway_auto_timeout, sc); 5730 } 5731 return (EJUSTRETURN); 5732 } 5733 5734 void 5735 tlp_pnic_nway_auto_timeout(arg) 5736 void *arg; 5737 { 5738 struct tulip_softc *sc = arg; 5739 u_int32_t reg; 5740 int s; 5741 5742 s = splnet(); 5743 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5744 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5745 #if 0 5746 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5747 printf("%s: autonegotiation failed to complete\n", 5748 sc->sc_dev.dv_xname); 5749 #endif 5750 5751 tlp_pnic_nway_acomp(sc); 5752 5753 /* Update the media status. */ 5754 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5755 splx(s); 5756 } 5757 5758 void 5759 tlp_pnic_nway_status(sc) 5760 struct tulip_softc *sc; 5761 { 5762 struct mii_data *mii = &sc->sc_mii; 5763 u_int32_t reg; 5764 5765 mii->mii_media_status = IFM_AVALID; 5766 mii->mii_media_active = IFM_ETHER; 5767 5768 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5769 5770 if (sc->sc_flags & TULIPF_LINK_UP) 5771 mii->mii_media_status |= IFM_ACTIVE; 5772 5773 if (reg & PNIC_NWAY_NW) { 5774 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5775 /* Erg, still trying, I guess... */ 5776 mii->mii_media_active |= IFM_NONE; 5777 return; 5778 } 5779 5780 #if 0 5781 if (reg & PNIC_NWAY_LPAR100T4) 5782 mii->mii_media_active |= IFM_100_T4; 5783 else 5784 #endif 5785 if (reg & PNIC_NWAY_LPAR100TXFDX) 5786 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5787 else if (reg & PNIC_NWAY_LPAR100TX) 5788 mii->mii_media_active |= IFM_100_TX; 5789 else if (reg & PNIC_NWAY_LPAR10TFDX) 5790 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5791 else if (reg & PNIC_NWAY_LPAR10T) 5792 mii->mii_media_active |= IFM_10_T; 5793 else 5794 mii->mii_media_active |= IFM_NONE; 5795 } else { 5796 if (reg & PNIC_NWAY_100) 5797 mii->mii_media_active |= IFM_100_TX; 5798 else 5799 mii->mii_media_active |= IFM_10_T; 5800 if (reg & PNIC_NWAY_FD) 5801 mii->mii_media_active |= IFM_FDX; 5802 } 5803 } 5804 5805 void 5806 tlp_pnic_nway_acomp(sc) 5807 struct tulip_softc *sc; 5808 { 5809 u_int32_t reg; 5810 5811 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5812 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5813 5814 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5815 reg |= PNIC_NWAY_100; 5816 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5817 reg |= PNIC_NWAY_FD; 5818 5819 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5820 } 5821 5822 /* 5823 * Macronix PMAC and Lite-On PNIC-II media switch: 5824 * 5825 * MX98713 and MX98713A 21140-like MII or GPIO media. 5826 * 5827 * MX98713A 21143-like MII or SIA/SYM media. 5828 * 5829 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5830 * 82C115, MX98715AEC-C, -E 5831 * 5832 * So, what we do here is fake MII-on-SIO or ISV media info, and 5833 * use the ISV media switch get/set functions to handle the rest. 5834 */ 5835 5836 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5837 5838 const struct tulip_mediasw tlp_pmac_mediasw = { 5839 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5840 }; 5841 5842 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5843 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5844 }; 5845 5846 void 5847 tlp_pmac_tmsw_init(sc) 5848 struct tulip_softc *sc; 5849 { 5850 static const u_int8_t media[] = { 5851 TULIP_ROM_MB_MEDIA_TP, 5852 TULIP_ROM_MB_MEDIA_TP_FDX, 5853 TULIP_ROM_MB_MEDIA_100TX, 5854 TULIP_ROM_MB_MEDIA_100TX_FDX, 5855 }; 5856 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5857 struct tulip_21x4x_media *tm; 5858 5859 sc->sc_mii.mii_ifp = ifp; 5860 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5861 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5862 sc->sc_mii.mii_statchg = sc->sc_statchg; 5863 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5864 tlp_mediastatus); 5865 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5866 sc->sc_chip == TULIP_CHIP_MX98713A) { 5867 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5868 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5869 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5870 sc->sc_flags |= TULIPF_HAS_MII; 5871 sc->sc_tick = tlp_mii_tick; 5872 sc->sc_preinit = tlp_2114x_mii_preinit; 5873 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5874 ifmedia_set(&sc->sc_mii.mii_media, 5875 IFM_ETHER|IFM_AUTO); 5876 return; 5877 } 5878 } 5879 5880 switch (sc->sc_chip) { 5881 case TULIP_CHIP_MX98713: 5882 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5883 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5884 5885 /* 5886 * XXX Should implement auto-sense for this someday, 5887 * XXX when we do the same for the 21140. 5888 */ 5889 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5890 break; 5891 5892 default: 5893 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5894 tlp_sia_get, tlp_sia_set, media, 2); 5895 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5896 tlp_sia_get, tlp_sia_set, media + 2, 2); 5897 5898 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5899 tm->tm_name = "auto"; 5900 tm->tm_get = tlp_2114x_nway_get; 5901 tm->tm_set = tlp_2114x_nway_set; 5902 ifmedia_add(&sc->sc_mii.mii_media, 5903 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5904 5905 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5906 sc->sc_statchg = tlp_2114x_nway_statchg; 5907 sc->sc_tick = tlp_2114x_nway_tick; 5908 break; 5909 } 5910 5911 tlp_print_media(sc); 5912 tlp_sia_fixup(sc); 5913 5914 /* Set the LED modes. */ 5915 tlp_pmac_reset(sc); 5916 5917 sc->sc_reset = tlp_pmac_reset; 5918 } 5919 5920 /* 5921 * ADMtek AL981 media switch. Only has internal PHY. 5922 */ 5923 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5924 5925 const struct tulip_mediasw tlp_al981_mediasw = { 5926 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5927 }; 5928 5929 void 5930 tlp_al981_tmsw_init(sc) 5931 struct tulip_softc *sc; 5932 { 5933 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5934 5935 sc->sc_mii.mii_ifp = ifp; 5936 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5937 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5938 sc->sc_mii.mii_statchg = sc->sc_statchg; 5939 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5940 tlp_mediastatus); 5941 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5942 MII_OFFSET_ANY, 0); 5943 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5944 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5945 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5946 } else { 5947 sc->sc_flags |= TULIPF_HAS_MII; 5948 sc->sc_tick = tlp_mii_tick; 5949 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5950 } 5951 } 5952 5953 /* 5954 * ADMtek AN983/985 media switch. Only has internal PHY, but 5955 * on an SIO-like interface. Unfortunately, we can't use the 5956 * standard SIO media switch, because the AN985 "ghosts" the 5957 * singly PHY at every address. 5958 */ 5959 void tlp_an985_tmsw_init __P((struct tulip_softc *)); 5960 5961 const struct tulip_mediasw tlp_an985_mediasw = { 5962 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5963 }; 5964 5965 void 5966 tlp_an985_tmsw_init(sc) 5967 struct tulip_softc *sc; 5968 { 5969 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5970 5971 sc->sc_mii.mii_ifp = ifp; 5972 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5973 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5974 sc->sc_mii.mii_statchg = sc->sc_statchg; 5975 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5976 tlp_mediastatus); 5977 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5978 MII_OFFSET_ANY, 0); 5979 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5980 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5981 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5982 } else { 5983 sc->sc_flags |= TULIPF_HAS_MII; 5984 sc->sc_tick = tlp_mii_tick; 5985 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5986 } 5987 } 5988 5989 /* 5990 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5991 */ 5992 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5993 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5994 struct ifmediareq *)); 5995 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5996 5997 const struct tulip_mediasw tlp_dm9102_mediasw = { 5998 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5999 tlp_dm9102_tmsw_setmedia 6000 }; 6001 6002 void 6003 tlp_dm9102_tmsw_init(sc) 6004 struct tulip_softc *sc; 6005 { 6006 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6007 u_int32_t opmode; 6008 6009 sc->sc_mii.mii_ifp = ifp; 6010 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6011 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6012 sc->sc_mii.mii_statchg = sc->sc_statchg; 6013 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6014 tlp_mediastatus); 6015 6016 /* PHY block already reset via tlp_reset(). */ 6017 6018 /* 6019 * Configure OPMODE properly for the internal MII interface. 6020 */ 6021 switch (sc->sc_chip) { 6022 case TULIP_CHIP_DM9102: 6023 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6024 break; 6025 6026 case TULIP_CHIP_DM9102A: 6027 opmode = OPMODE_MBO|OPMODE_HBD; 6028 break; 6029 6030 default: 6031 opmode = 0; 6032 break; 6033 } 6034 6035 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6036 6037 /* Now, probe the internal MII for the internal PHY. */ 6038 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6039 MII_OFFSET_ANY, 0); 6040 6041 /* 6042 * XXX Figure out what to do about the HomePNA portion 6043 * XXX of the DM9102A. 6044 */ 6045 6046 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6047 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6048 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6049 } else { 6050 sc->sc_flags |= TULIPF_HAS_MII; 6051 sc->sc_tick = tlp_mii_tick; 6052 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6053 } 6054 } 6055 6056 void 6057 tlp_dm9102_tmsw_getmedia(sc, ifmr) 6058 struct tulip_softc *sc; 6059 struct ifmediareq *ifmr; 6060 { 6061 6062 /* XXX HomePNA on DM9102A. */ 6063 tlp_mii_getmedia(sc, ifmr); 6064 } 6065 6066 int 6067 tlp_dm9102_tmsw_setmedia(sc) 6068 struct tulip_softc *sc; 6069 { 6070 6071 /* XXX HomePNA on DM9102A. */ 6072 return (tlp_mii_setmedia(sc)); 6073 } 6074