tulip.c revision 1.145
1 /* $NetBSD: tulip.c,v 1.145 2006/05/26 13:03:45 blymn 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 1.145 2006/05/26 13:03:45 blymn 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 static const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 87 TLP_TXTHRESH_TAB_10; 88 89 static const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 90 TLP_TXTHRESH_TAB_10_100; 91 92 static const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 93 TLP_TXTHRESH_TAB_WINB; 94 95 static const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_DM9102; 97 98 static void tlp_start(struct ifnet *); 99 static void tlp_watchdog(struct ifnet *); 100 static int tlp_ioctl(struct ifnet *, u_long, caddr_t); 101 static int tlp_init(struct ifnet *); 102 static void tlp_stop(struct ifnet *, int); 103 104 static void tlp_shutdown(void *); 105 106 static void tlp_rxdrain(struct tulip_softc *); 107 static int tlp_add_rxbuf(struct tulip_softc *, int); 108 static void tlp_srom_idle(struct tulip_softc *); 109 static int tlp_srom_size(struct tulip_softc *); 110 111 static int tlp_enable(struct tulip_softc *); 112 static void tlp_disable(struct tulip_softc *); 113 static void tlp_power(int, void *); 114 115 static void tlp_filter_setup(struct tulip_softc *); 116 static void tlp_winb_filter_setup(struct tulip_softc *); 117 static void tlp_al981_filter_setup(struct tulip_softc *); 118 static void tlp_asix_filter_setup(struct tulip_softc *); 119 120 static void tlp_rxintr(struct tulip_softc *); 121 static void tlp_txintr(struct tulip_softc *); 122 123 static void tlp_mii_tick(void *); 124 static void tlp_mii_statchg(struct device *); 125 static void tlp_winb_mii_statchg(struct device *); 126 static void tlp_dm9102_mii_statchg(struct device *); 127 128 static void tlp_mii_getmedia(struct tulip_softc *, struct ifmediareq *); 129 static int tlp_mii_setmedia(struct tulip_softc *); 130 131 static int tlp_bitbang_mii_readreg(struct device *, int, int); 132 static void tlp_bitbang_mii_writereg(struct device *, int, int, int); 133 134 static int tlp_pnic_mii_readreg(struct device *, int, int); 135 static void tlp_pnic_mii_writereg(struct device *, int, int, int); 136 137 static int tlp_al981_mii_readreg(struct device *, int, int); 138 static void tlp_al981_mii_writereg(struct device *, int, int, int); 139 140 static void tlp_2114x_preinit(struct tulip_softc *); 141 static void tlp_2114x_mii_preinit(struct tulip_softc *); 142 static void tlp_pnic_preinit(struct tulip_softc *); 143 static void tlp_dm9102_preinit(struct tulip_softc *); 144 static void tlp_asix_preinit(struct tulip_softc *); 145 146 static void tlp_21140_reset(struct tulip_softc *); 147 static void tlp_21142_reset(struct tulip_softc *); 148 static void tlp_pmac_reset(struct tulip_softc *); 149 #if 0 150 static void tlp_dm9102_reset(struct tulip_softc *); 151 #endif 152 153 static void tlp_2114x_nway_tick(void *); 154 155 #define tlp_mchash(addr, sz) \ 156 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 157 158 /* 159 * MII bit-bang glue. 160 */ 161 static u_int32_t tlp_sio_mii_bitbang_read(struct device *); 162 static void tlp_sio_mii_bitbang_write(struct device *, u_int32_t); 163 164 static const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 165 tlp_sio_mii_bitbang_read, 166 tlp_sio_mii_bitbang_write, 167 { 168 MIIROM_MDO, /* MII_BIT_MDO */ 169 MIIROM_MDI, /* MII_BIT_MDI */ 170 MIIROM_MDC, /* MII_BIT_MDC */ 171 0, /* MII_BIT_DIR_HOST_PHY */ 172 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 173 } 174 }; 175 176 #ifdef TLP_DEBUG 177 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 178 printf x 179 #else 180 #define DPRINTF(sc, x) /* nothing */ 181 #endif 182 183 #ifdef TLP_STATS 184 static void tlp_print_stats(struct tulip_softc *); 185 #endif 186 187 /* 188 * Can be used to debug the SROM-related things, including contents. 189 * Initialized so that it's patchable. 190 */ 191 int tlp_srom_debug = 0; 192 193 /* 194 * tlp_attach: 195 * 196 * Attach a Tulip interface to the system. 197 */ 198 void 199 tlp_attach(struct tulip_softc *sc, const u_int8_t *enaddr) 200 { 201 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 202 int i, error; 203 204 callout_init(&sc->sc_nway_callout); 205 callout_init(&sc->sc_tick_callout); 206 207 /* 208 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 209 */ 210 211 /* 212 * Setup the transmit threshold table. 213 */ 214 switch (sc->sc_chip) { 215 case TULIP_CHIP_DE425: 216 case TULIP_CHIP_21040: 217 case TULIP_CHIP_21041: 218 sc->sc_txth = tlp_10_txthresh_tab; 219 break; 220 221 case TULIP_CHIP_DM9102: 222 case TULIP_CHIP_DM9102A: 223 sc->sc_txth = tlp_dm9102_txthresh_tab; 224 break; 225 226 default: 227 sc->sc_txth = tlp_10_100_txthresh_tab; 228 break; 229 } 230 231 /* 232 * Setup the filter setup function. 233 */ 234 switch (sc->sc_chip) { 235 case TULIP_CHIP_WB89C840F: 236 sc->sc_filter_setup = tlp_winb_filter_setup; 237 break; 238 239 case TULIP_CHIP_AL981: 240 case TULIP_CHIP_AN983: 241 case TULIP_CHIP_AN985: 242 sc->sc_filter_setup = tlp_al981_filter_setup; 243 break; 244 245 case TULIP_CHIP_AX88140: 246 case TULIP_CHIP_AX88141: 247 sc->sc_filter_setup = tlp_asix_filter_setup; 248 break; 249 250 default: 251 sc->sc_filter_setup = tlp_filter_setup; 252 break; 253 } 254 255 /* 256 * Set up the media status change function. 257 */ 258 switch (sc->sc_chip) { 259 case TULIP_CHIP_WB89C840F: 260 sc->sc_statchg = tlp_winb_mii_statchg; 261 break; 262 263 case TULIP_CHIP_DM9102: 264 case TULIP_CHIP_DM9102A: 265 sc->sc_statchg = tlp_dm9102_mii_statchg; 266 break; 267 268 default: 269 /* 270 * We may override this if we have special media 271 * handling requirements (e.g. flipping GPIO pins). 272 * 273 * The pure-MII statchg function covers the basics. 274 */ 275 sc->sc_statchg = tlp_mii_statchg; 276 break; 277 } 278 279 /* 280 * Default to no FS|LS in setup packet descriptors. They're 281 * supposed to be zero according to the 21040 and 21143 282 * manuals, and some chips fall over badly if they're 283 * included. Yet, other chips seem to require them. Sigh. 284 */ 285 switch (sc->sc_chip) { 286 case TULIP_CHIP_X3201_3: 287 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 288 break; 289 290 default: 291 sc->sc_setup_fsls = 0; 292 } 293 294 /* 295 * Set up various chip-specific quirks. 296 * 297 * Note that wherever we can, we use the "ring" option for 298 * transmit and receive descriptors. This is because some 299 * clone chips apparently have problems when using chaining, 300 * although some *only* support chaining. 301 * 302 * What we do is always program the "next" pointer, and then 303 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 304 * appropriate places. 305 */ 306 switch (sc->sc_chip) { 307 case TULIP_CHIP_21140: 308 case TULIP_CHIP_21140A: 309 case TULIP_CHIP_21142: 310 case TULIP_CHIP_21143: 311 case TULIP_CHIP_82C115: /* 21143-like */ 312 case TULIP_CHIP_MX98713: /* 21140-like */ 313 case TULIP_CHIP_MX98713A: /* 21143-like */ 314 case TULIP_CHIP_MX98715: /* 21143-like */ 315 case TULIP_CHIP_MX98715A: /* 21143-like */ 316 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 317 case TULIP_CHIP_MX98725: /* 21143-like */ 318 case TULIP_CHIP_RS7112: /* 21143-like */ 319 /* 320 * Run these chips in ring mode. 321 */ 322 sc->sc_tdctl_ch = 0; 323 sc->sc_tdctl_er = TDCTL_ER; 324 sc->sc_preinit = tlp_2114x_preinit; 325 break; 326 327 case TULIP_CHIP_82C168: 328 case TULIP_CHIP_82C169: 329 /* 330 * Run these chips in ring mode. 331 */ 332 sc->sc_tdctl_ch = 0; 333 sc->sc_tdctl_er = TDCTL_ER; 334 sc->sc_preinit = tlp_pnic_preinit; 335 336 /* 337 * These chips seem to have busted DMA engines; just put them 338 * in Store-and-Forward mode from the get-go. 339 */ 340 sc->sc_txthresh = TXTH_SF; 341 break; 342 343 case TULIP_CHIP_WB89C840F: 344 /* 345 * Run this chip in chained mode. 346 */ 347 sc->sc_tdctl_ch = TDCTL_CH; 348 sc->sc_tdctl_er = 0; 349 sc->sc_flags |= TULIPF_IC_FS; 350 break; 351 352 case TULIP_CHIP_DM9102: 353 case TULIP_CHIP_DM9102A: 354 /* 355 * Run these chips in chained mode. 356 */ 357 sc->sc_tdctl_ch = TDCTL_CH; 358 sc->sc_tdctl_er = 0; 359 sc->sc_preinit = tlp_dm9102_preinit; 360 361 /* 362 * These chips have a broken bus interface, so we 363 * can't use any optimized bus commands. For this 364 * reason, we tend to underrun pretty quickly, so 365 * just to Store-and-Forward mode from the get-go. 366 */ 367 sc->sc_txthresh = TXTH_DM9102_SF; 368 break; 369 370 case TULIP_CHIP_AX88140: 371 case TULIP_CHIP_AX88141: 372 /* 373 * Run these chips in ring mode. 374 */ 375 sc->sc_tdctl_ch = 0; 376 sc->sc_tdctl_er = TDCTL_ER; 377 sc->sc_preinit = tlp_asix_preinit; 378 break; 379 380 default: 381 /* 382 * Default to running in ring mode. 383 */ 384 sc->sc_tdctl_ch = 0; 385 sc->sc_tdctl_er = TDCTL_ER; 386 } 387 388 /* 389 * Set up the MII bit-bang operations. 390 */ 391 switch (sc->sc_chip) { 392 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 393 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 394 break; 395 396 default: 397 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 398 } 399 400 SIMPLEQ_INIT(&sc->sc_txfreeq); 401 SIMPLEQ_INIT(&sc->sc_txdirtyq); 402 403 /* 404 * Allocate the control data structures, and create and load the 405 * DMA map for it. 406 */ 407 if ((error = bus_dmamem_alloc(sc->sc_dmat, 408 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 409 1, &sc->sc_cdnseg, 0)) != 0) { 410 printf("%s: unable to allocate control data, error = %d\n", 411 sc->sc_dev.dv_xname, error); 412 goto fail_0; 413 } 414 415 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 416 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 417 BUS_DMA_COHERENT)) != 0) { 418 printf("%s: unable to map control data, error = %d\n", 419 sc->sc_dev.dv_xname, error); 420 goto fail_1; 421 } 422 423 if ((error = bus_dmamap_create(sc->sc_dmat, 424 sizeof(struct tulip_control_data), 1, 425 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 426 printf("%s: unable to create control data DMA map, " 427 "error = %d\n", sc->sc_dev.dv_xname, error); 428 goto fail_2; 429 } 430 431 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 432 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 433 0)) != 0) { 434 printf("%s: unable to load control data DMA map, error = %d\n", 435 sc->sc_dev.dv_xname, error); 436 goto fail_3; 437 } 438 439 /* 440 * Create the transmit buffer DMA maps. 441 * 442 * Note that on the Xircom clone, transmit buffers must be 443 * 4-byte aligned. We're almost guaranteed to have to copy 444 * the packet in that case, so we just limit ourselves to 445 * one segment. 446 * 447 * On the DM9102, the transmit logic can only handle one 448 * DMA segment. 449 */ 450 switch (sc->sc_chip) { 451 case TULIP_CHIP_X3201_3: 452 case TULIP_CHIP_DM9102: 453 case TULIP_CHIP_DM9102A: 454 case TULIP_CHIP_AX88140: 455 case TULIP_CHIP_AX88141: 456 sc->sc_ntxsegs = 1; 457 break; 458 459 default: 460 sc->sc_ntxsegs = TULIP_NTXSEGS; 461 } 462 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 463 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 464 sc->sc_ntxsegs, MCLBYTES, 0, 0, 465 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 466 printf("%s: unable to create tx DMA map %d, " 467 "error = %d\n", sc->sc_dev.dv_xname, i, error); 468 goto fail_4; 469 } 470 } 471 472 /* 473 * Create the receive buffer DMA maps. 474 */ 475 for (i = 0; i < TULIP_NRXDESC; i++) { 476 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 477 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 478 printf("%s: unable to create rx DMA map %d, " 479 "error = %d\n", sc->sc_dev.dv_xname, i, error); 480 goto fail_5; 481 } 482 sc->sc_rxsoft[i].rxs_mbuf = NULL; 483 } 484 485 /* 486 * From this point forward, the attachment cannot fail. A failure 487 * before this point releases all resources that may have been 488 * allocated. 489 */ 490 sc->sc_flags |= TULIPF_ATTACHED; 491 492 /* 493 * Reset the chip to a known state. 494 */ 495 tlp_reset(sc); 496 497 /* Announce ourselves. */ 498 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 499 sc->sc_name[0] != '\0' ? sc->sc_name : "", 500 sc->sc_name[0] != '\0' ? ", " : "", 501 ether_sprintf(enaddr)); 502 503 /* 504 * Check to see if we're the simulated Ethernet on Connectix 505 * Virtual PC. 506 */ 507 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) 508 sc->sc_flags |= TULIPF_VPC; 509 510 /* 511 * Initialize our media structures. This may probe the MII, if 512 * present. 513 */ 514 (*sc->sc_mediasw->tmsw_init)(sc); 515 516 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 517 ifp->if_softc = sc; 518 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 519 sc->sc_if_flags = ifp->if_flags; 520 ifp->if_ioctl = tlp_ioctl; 521 ifp->if_start = tlp_start; 522 ifp->if_watchdog = tlp_watchdog; 523 ifp->if_init = tlp_init; 524 ifp->if_stop = tlp_stop; 525 IFQ_SET_READY(&ifp->if_snd); 526 527 /* 528 * We can support 802.1Q VLAN-sized frames. 529 */ 530 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 531 532 /* 533 * Attach the interface. 534 */ 535 if_attach(ifp); 536 ether_ifattach(ifp, enaddr); 537 #if NRND > 0 538 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 539 RND_TYPE_NET, 0); 540 #endif 541 542 /* 543 * Make sure the interface is shutdown during reboot. 544 */ 545 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 546 if (sc->sc_sdhook == NULL) 547 printf("%s: WARNING: unable to establish shutdown hook\n", 548 sc->sc_dev.dv_xname); 549 550 /* 551 * Add a suspend hook to make sure we come back up after a 552 * resume. 553 */ 554 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 555 if (sc->sc_powerhook == NULL) 556 printf("%s: WARNING: unable to establish power hook\n", 557 sc->sc_dev.dv_xname); 558 return; 559 560 /* 561 * Free any resources we've allocated during the failed attach 562 * attempt. Do this in reverse order and fall through. 563 */ 564 fail_5: 565 for (i = 0; i < TULIP_NRXDESC; i++) { 566 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 567 bus_dmamap_destroy(sc->sc_dmat, 568 sc->sc_rxsoft[i].rxs_dmamap); 569 } 570 fail_4: 571 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 572 if (sc->sc_txsoft[i].txs_dmamap != NULL) 573 bus_dmamap_destroy(sc->sc_dmat, 574 sc->sc_txsoft[i].txs_dmamap); 575 } 576 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 577 fail_3: 578 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 579 fail_2: 580 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 581 sizeof(struct tulip_control_data)); 582 fail_1: 583 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 584 fail_0: 585 return; 586 } 587 588 /* 589 * tlp_activate: 590 * 591 * Handle device activation/deactivation requests. 592 */ 593 int 594 tlp_activate(struct device *self, enum devact act) 595 { 596 struct tulip_softc *sc = (void *) self; 597 int s, error = 0; 598 599 s = splnet(); 600 switch (act) { 601 case DVACT_ACTIVATE: 602 error = EOPNOTSUPP; 603 break; 604 605 case DVACT_DEACTIVATE: 606 if (sc->sc_flags & TULIPF_HAS_MII) 607 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 608 MII_OFFSET_ANY); 609 if_deactivate(&sc->sc_ethercom.ec_if); 610 break; 611 } 612 splx(s); 613 614 return (error); 615 } 616 617 /* 618 * tlp_detach: 619 * 620 * Detach a Tulip interface. 621 */ 622 int 623 tlp_detach(struct tulip_softc *sc) 624 { 625 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 626 struct tulip_rxsoft *rxs; 627 struct tulip_txsoft *txs; 628 int i; 629 630 /* 631 * Succeed now if there isn't any work to do. 632 */ 633 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 634 return (0); 635 636 /* Unhook our tick handler. */ 637 if (sc->sc_tick) 638 callout_stop(&sc->sc_tick_callout); 639 640 if (sc->sc_flags & TULIPF_HAS_MII) { 641 /* Detach all PHYs */ 642 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 643 } 644 645 /* Delete all remaining media. */ 646 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 647 648 #if NRND > 0 649 rnd_detach_source(&sc->sc_rnd_source); 650 #endif 651 ether_ifdetach(ifp); 652 if_detach(ifp); 653 654 for (i = 0; i < TULIP_NRXDESC; i++) { 655 rxs = &sc->sc_rxsoft[i]; 656 if (rxs->rxs_mbuf != NULL) { 657 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 658 m_freem(rxs->rxs_mbuf); 659 rxs->rxs_mbuf = NULL; 660 } 661 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 662 } 663 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 664 txs = &sc->sc_txsoft[i]; 665 if (txs->txs_mbuf != NULL) { 666 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 667 m_freem(txs->txs_mbuf); 668 txs->txs_mbuf = NULL; 669 } 670 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 671 } 672 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 673 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 674 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 675 sizeof(struct tulip_control_data)); 676 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 677 678 shutdownhook_disestablish(sc->sc_sdhook); 679 powerhook_disestablish(sc->sc_powerhook); 680 681 if (sc->sc_srom) 682 free(sc->sc_srom, M_DEVBUF); 683 684 return (0); 685 } 686 687 /* 688 * tlp_shutdown: 689 * 690 * Make sure the interface is stopped at reboot time. 691 */ 692 static void 693 tlp_shutdown(void *arg) 694 { 695 struct tulip_softc *sc = arg; 696 697 tlp_stop(&sc->sc_ethercom.ec_if, 1); 698 } 699 700 /* 701 * tlp_start: [ifnet interface function] 702 * 703 * Start packet transmission on the interface. 704 */ 705 static void 706 tlp_start(struct ifnet *ifp) 707 { 708 struct tulip_softc *sc = ifp->if_softc; 709 struct mbuf *m0, *m; 710 struct tulip_txsoft *txs, *last_txs = NULL; 711 bus_dmamap_t dmamap; 712 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 713 714 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 715 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 716 717 /* 718 * If we want a filter setup, it means no more descriptors were 719 * available for the setup routine. Let it get a chance to wedge 720 * itself into the ring. 721 */ 722 if (sc->sc_flags & TULIPF_WANT_SETUP) 723 ifp->if_flags |= IFF_OACTIVE; 724 725 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 726 return; 727 728 if (sc->sc_tick == tlp_2114x_nway_tick && 729 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 730 return; 731 732 /* 733 * Remember the previous number of free descriptors and 734 * the first descriptor we'll use. 735 */ 736 ofree = sc->sc_txfree; 737 firsttx = sc->sc_txnext; 738 739 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 740 sc->sc_dev.dv_xname, ofree, firsttx)); 741 742 /* 743 * Loop through the send queue, setting up transmit descriptors 744 * until we drain the queue, or use up all available transmit 745 * descriptors. 746 */ 747 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 748 sc->sc_txfree != 0) { 749 /* 750 * Grab a packet off the queue. 751 */ 752 IFQ_POLL(&ifp->if_snd, m0); 753 if (m0 == NULL) 754 break; 755 m = NULL; 756 757 dmamap = txs->txs_dmamap; 758 759 /* 760 * Load the DMA map. If this fails, the packet either 761 * didn't fit in the alloted number of segments, or we were 762 * short on resources. In this case, we'll copy and try 763 * again. 764 * 765 * Note that if we're only allowed 1 Tx segment, we 766 * have an alignment restriction. Do this test before 767 * attempting to load the DMA map, because it's more 768 * likely we'll trip the alignment test than the 769 * more-than-one-segment test. 770 */ 771 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 772 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 773 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 774 MGETHDR(m, M_DONTWAIT, MT_DATA); 775 if (m == NULL) { 776 printf("%s: unable to allocate Tx mbuf\n", 777 sc->sc_dev.dv_xname); 778 break; 779 } 780 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 781 if (m0->m_pkthdr.len > MHLEN) { 782 MCLGET(m, M_DONTWAIT); 783 if ((m->m_flags & M_EXT) == 0) { 784 printf("%s: unable to allocate Tx " 785 "cluster\n", sc->sc_dev.dv_xname); 786 m_freem(m); 787 break; 788 } 789 } 790 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 791 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 792 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 793 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 794 if (error) { 795 printf("%s: unable to load Tx buffer, " 796 "error = %d\n", sc->sc_dev.dv_xname, error); 797 break; 798 } 799 } 800 801 /* 802 * Ensure we have enough descriptors free to describe 803 * the packet. 804 */ 805 if (dmamap->dm_nsegs > sc->sc_txfree) { 806 /* 807 * Not enough free descriptors to transmit this 808 * packet. We haven't committed to anything yet, 809 * so just unload the DMA map, put the packet 810 * back on the queue, and punt. Notify the upper 811 * layer that there are no more slots left. 812 * 813 * XXX We could allocate an mbuf and copy, but 814 * XXX it is worth it? 815 */ 816 ifp->if_flags |= IFF_OACTIVE; 817 bus_dmamap_unload(sc->sc_dmat, dmamap); 818 if (m != NULL) 819 m_freem(m); 820 break; 821 } 822 823 IFQ_DEQUEUE(&ifp->if_snd, m0); 824 if (m != NULL) { 825 m_freem(m0); 826 m0 = m; 827 } 828 829 /* 830 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 831 */ 832 833 /* Sync the DMA map. */ 834 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 835 BUS_DMASYNC_PREWRITE); 836 837 /* 838 * Initialize the transmit descriptors. 839 */ 840 for (nexttx = sc->sc_txnext, seg = 0; 841 seg < dmamap->dm_nsegs; 842 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 843 /* 844 * If this is the first descriptor we're 845 * enqueueing, don't set the OWN bit just 846 * yet. That could cause a race condition. 847 * We'll do it below. 848 */ 849 sc->sc_txdescs[nexttx].td_status = 850 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 851 sc->sc_txdescs[nexttx].td_bufaddr1 = 852 htole32(dmamap->dm_segs[seg].ds_addr); 853 sc->sc_txdescs[nexttx].td_ctl = 854 htole32((dmamap->dm_segs[seg].ds_len << 855 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 856 (nexttx == (TULIP_NTXDESC - 1) ? 857 sc->sc_tdctl_er : 0)); 858 lasttx = nexttx; 859 } 860 861 KASSERT(lasttx != -1); 862 863 /* Set `first segment' and `last segment' appropriately. */ 864 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 865 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 866 867 #ifdef TLP_DEBUG 868 if (ifp->if_flags & IFF_DEBUG) { 869 printf(" txsoft %p transmit chain:\n", txs); 870 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 871 printf(" descriptor %d:\n", seg); 872 printf(" td_status: 0x%08x\n", 873 le32toh(sc->sc_txdescs[seg].td_status)); 874 printf(" td_ctl: 0x%08x\n", 875 le32toh(sc->sc_txdescs[seg].td_ctl)); 876 printf(" td_bufaddr1: 0x%08x\n", 877 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 878 printf(" td_bufaddr2: 0x%08x\n", 879 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 880 if (seg == lasttx) 881 break; 882 } 883 } 884 #endif 885 886 /* Sync the descriptors we're using. */ 887 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 888 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 889 890 /* 891 * Store a pointer to the packet so we can free it later, 892 * and remember what txdirty will be once the packet is 893 * done. 894 */ 895 txs->txs_mbuf = m0; 896 txs->txs_firstdesc = sc->sc_txnext; 897 txs->txs_lastdesc = lasttx; 898 txs->txs_ndescs = dmamap->dm_nsegs; 899 900 /* Advance the tx pointer. */ 901 sc->sc_txfree -= dmamap->dm_nsegs; 902 sc->sc_txnext = nexttx; 903 904 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 905 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 906 907 last_txs = txs; 908 909 #if NBPFILTER > 0 910 /* 911 * Pass the packet to any BPF listeners. 912 */ 913 if (ifp->if_bpf) 914 bpf_mtap(ifp->if_bpf, m0); 915 #endif /* NBPFILTER > 0 */ 916 } 917 918 if (txs == NULL || sc->sc_txfree == 0) { 919 /* No more slots left; notify upper layer. */ 920 ifp->if_flags |= IFF_OACTIVE; 921 } 922 923 if (sc->sc_txfree != ofree) { 924 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 925 sc->sc_dev.dv_xname, lasttx, firsttx)); 926 /* 927 * Cause a transmit interrupt to happen on the 928 * last packet we enqueued. 929 */ 930 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 931 TULIP_CDTXSYNC(sc, lasttx, 1, 932 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 933 934 /* 935 * Some clone chips want IC on the *first* segment in 936 * the packet. Appease them. 937 */ 938 KASSERT(last_txs != NULL); 939 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 940 last_txs->txs_firstdesc != lasttx) { 941 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 942 htole32(TDCTL_Tx_IC); 943 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 944 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 945 } 946 947 /* 948 * The entire packet chain is set up. Give the 949 * first descriptor to the chip now. 950 */ 951 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 952 TULIP_CDTXSYNC(sc, firsttx, 1, 953 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 954 955 /* Wake up the transmitter. */ 956 /* XXX USE AUTOPOLLING? */ 957 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 958 959 /* Set a watchdog timer in case the chip flakes out. */ 960 ifp->if_timer = 5; 961 } 962 } 963 964 /* 965 * tlp_watchdog: [ifnet interface function] 966 * 967 * Watchdog timer handler. 968 */ 969 static void 970 tlp_watchdog(struct ifnet *ifp) 971 { 972 struct tulip_softc *sc = ifp->if_softc; 973 int doing_setup, doing_transmit; 974 975 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 976 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 977 978 if (doing_setup && doing_transmit) { 979 printf("%s: filter setup and transmit timeout\n", 980 sc->sc_dev.dv_xname); 981 ifp->if_oerrors++; 982 } else if (doing_transmit) { 983 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 984 ifp->if_oerrors++; 985 } else if (doing_setup) 986 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 987 else 988 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 989 990 (void) tlp_init(ifp); 991 992 /* Try to get more packets going. */ 993 tlp_start(ifp); 994 } 995 996 /* 997 * tlp_ioctl: [ifnet interface function] 998 * 999 * Handle control requests from the operator. 1000 */ 1001 static int 1002 tlp_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1003 { 1004 struct tulip_softc *sc = ifp->if_softc; 1005 struct ifreq *ifr = (struct ifreq *)data; 1006 int s, error; 1007 1008 s = splnet(); 1009 1010 switch (cmd) { 1011 case SIOCSIFMEDIA: 1012 case SIOCGIFMEDIA: 1013 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1014 break; 1015 case SIOCSIFFLAGS: 1016 /* If the interface is up and running, only modify the receive 1017 * filter when setting promiscuous or debug mode. Otherwise 1018 * fall through to ether_ioctl, which will reset the chip. 1019 */ 1020 #define RESETIGN (IFF_CANTCHANGE|IFF_DEBUG) 1021 if (((ifp->if_flags & (IFF_UP|IFF_RUNNING)) 1022 == (IFF_UP|IFF_RUNNING)) 1023 && ((ifp->if_flags & (~RESETIGN)) 1024 == (sc->sc_if_flags & (~RESETIGN)))) { 1025 /* Set up the receive filter. */ 1026 (*sc->sc_filter_setup)(sc); 1027 error = 0; 1028 break; 1029 #undef RESETIGN 1030 } 1031 /* FALLTHROUGH */ 1032 default: 1033 error = ether_ioctl(ifp, cmd, data); 1034 if (error == ENETRESET) { 1035 if (ifp->if_flags & IFF_RUNNING) { 1036 /* 1037 * Multicast list has changed. Set the 1038 * hardware filter accordingly. 1039 */ 1040 (*sc->sc_filter_setup)(sc); 1041 } 1042 error = 0; 1043 } 1044 break; 1045 } 1046 1047 /* Try to get more packets going. */ 1048 if (TULIP_IS_ENABLED(sc)) 1049 tlp_start(ifp); 1050 1051 sc->sc_if_flags = ifp->if_flags; 1052 splx(s); 1053 return (error); 1054 } 1055 1056 /* 1057 * tlp_intr: 1058 * 1059 * Interrupt service routine. 1060 */ 1061 int 1062 tlp_intr(void *arg) 1063 { 1064 struct tulip_softc *sc = arg; 1065 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1066 u_int32_t status, rxstatus, txstatus; 1067 int handled = 0, txthresh; 1068 1069 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1070 1071 #ifdef DEBUG 1072 if (TULIP_IS_ENABLED(sc) == 0) 1073 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname); 1074 #endif 1075 1076 /* 1077 * If the interface isn't running, the interrupt couldn't 1078 * possibly have come from us. 1079 */ 1080 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1081 !device_is_active(&sc->sc_dev)) 1082 return (0); 1083 1084 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1085 switch (sc->sc_chip) { 1086 case TULIP_CHIP_DM9102: 1087 case TULIP_CHIP_DM9102A: 1088 TULIP_WRITE(sc, CSR_INTEN, 0); 1089 break; 1090 1091 default: 1092 /* Nothing. */ 1093 break; 1094 } 1095 1096 for (;;) { 1097 status = TULIP_READ(sc, CSR_STATUS); 1098 if (status) 1099 TULIP_WRITE(sc, CSR_STATUS, status); 1100 1101 if ((status & sc->sc_inten) == 0) 1102 break; 1103 1104 handled = 1; 1105 1106 rxstatus = status & sc->sc_rxint_mask; 1107 txstatus = status & sc->sc_txint_mask; 1108 1109 if (rxstatus) { 1110 /* Grab new any new packets. */ 1111 tlp_rxintr(sc); 1112 1113 if (rxstatus & STATUS_RWT) 1114 printf("%s: receive watchdog timeout\n", 1115 sc->sc_dev.dv_xname); 1116 1117 if (rxstatus & STATUS_RU) { 1118 printf("%s: receive ring overrun\n", 1119 sc->sc_dev.dv_xname); 1120 /* Get the receive process going again. */ 1121 if (sc->sc_tdctl_er != TDCTL_ER) { 1122 tlp_idle(sc, OPMODE_SR); 1123 TULIP_WRITE(sc, CSR_RXLIST, 1124 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1125 TULIP_WRITE(sc, CSR_OPMODE, 1126 sc->sc_opmode); 1127 } 1128 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1129 break; 1130 } 1131 } 1132 1133 if (txstatus) { 1134 /* Sweep up transmit descriptors. */ 1135 tlp_txintr(sc); 1136 1137 if (txstatus & STATUS_TJT) 1138 printf("%s: transmit jabber timeout\n", 1139 sc->sc_dev.dv_xname); 1140 1141 if (txstatus & STATUS_UNF) { 1142 /* 1143 * Increase our transmit threshold if 1144 * another is available. 1145 */ 1146 txthresh = sc->sc_txthresh + 1; 1147 if (sc->sc_txth[txthresh].txth_name != NULL) { 1148 /* Idle the transmit process. */ 1149 tlp_idle(sc, OPMODE_ST); 1150 1151 sc->sc_txthresh = txthresh; 1152 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1153 sc->sc_opmode |= 1154 sc->sc_txth[txthresh].txth_opmode; 1155 printf("%s: transmit underrun; new " 1156 "threshold: %s\n", 1157 sc->sc_dev.dv_xname, 1158 sc->sc_txth[txthresh].txth_name); 1159 1160 /* 1161 * Set the new threshold and restart 1162 * the transmit process. 1163 */ 1164 TULIP_WRITE(sc, CSR_OPMODE, 1165 sc->sc_opmode); 1166 } 1167 /* 1168 * XXX Log every Nth underrun from 1169 * XXX now on? 1170 */ 1171 } 1172 } 1173 1174 if (status & (STATUS_TPS|STATUS_RPS)) { 1175 if (status & STATUS_TPS) 1176 printf("%s: transmit process stopped\n", 1177 sc->sc_dev.dv_xname); 1178 if (status & STATUS_RPS) 1179 printf("%s: receive process stopped\n", 1180 sc->sc_dev.dv_xname); 1181 (void) tlp_init(ifp); 1182 break; 1183 } 1184 1185 if (status & STATUS_SE) { 1186 const char *str; 1187 switch (status & STATUS_EB) { 1188 case STATUS_EB_PARITY: 1189 str = "parity error"; 1190 break; 1191 1192 case STATUS_EB_MABT: 1193 str = "master abort"; 1194 break; 1195 1196 case STATUS_EB_TABT: 1197 str = "target abort"; 1198 break; 1199 1200 default: 1201 str = "unknown error"; 1202 break; 1203 } 1204 printf("%s: fatal system error: %s\n", 1205 sc->sc_dev.dv_xname, str); 1206 (void) tlp_init(ifp); 1207 break; 1208 } 1209 1210 /* 1211 * Not handled: 1212 * 1213 * Transmit buffer unavailable -- normal 1214 * condition, nothing to do, really. 1215 * 1216 * General purpose timer experied -- we don't 1217 * use the general purpose timer. 1218 * 1219 * Early receive interrupt -- not available on 1220 * all chips, we just use RI. We also only 1221 * use single-segment receive DMA, so this 1222 * is mostly useless. 1223 */ 1224 } 1225 1226 /* Bring interrupts back up on the DM9102. */ 1227 switch (sc->sc_chip) { 1228 case TULIP_CHIP_DM9102: 1229 case TULIP_CHIP_DM9102A: 1230 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1231 break; 1232 1233 default: 1234 /* Nothing. */ 1235 break; 1236 } 1237 1238 /* Try to get more packets going. */ 1239 tlp_start(ifp); 1240 1241 #if NRND > 0 1242 if (handled) 1243 rnd_add_uint32(&sc->sc_rnd_source, status); 1244 #endif 1245 return (handled); 1246 } 1247 1248 /* 1249 * tlp_rxintr: 1250 * 1251 * Helper; handle receive interrupts. 1252 */ 1253 static void 1254 tlp_rxintr(struct tulip_softc *sc) 1255 { 1256 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1257 struct ether_header *eh; 1258 struct tulip_rxsoft *rxs; 1259 struct mbuf *m; 1260 u_int32_t rxstat; 1261 int i, len; 1262 1263 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1264 rxs = &sc->sc_rxsoft[i]; 1265 1266 TULIP_CDRXSYNC(sc, i, 1267 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1268 1269 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1270 1271 if (rxstat & TDSTAT_OWN) { 1272 /* 1273 * We have processed all of the receive buffers. 1274 */ 1275 break; 1276 } 1277 1278 /* 1279 * Make sure the packet fit in one buffer. This should 1280 * always be the case. But the Lite-On PNIC, rev 33 1281 * has an awful receive engine bug, which may require 1282 * a very icky work-around. 1283 */ 1284 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1285 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1286 printf("%s: incoming packet spilled, resetting\n", 1287 sc->sc_dev.dv_xname); 1288 (void) tlp_init(ifp); 1289 return; 1290 } 1291 1292 /* 1293 * If any collisions were seen on the wire, count one. 1294 */ 1295 if (rxstat & TDSTAT_Rx_CS) 1296 ifp->if_collisions++; 1297 1298 /* 1299 * If an error occurred, update stats, clear the status 1300 * word, and leave the packet buffer in place. It will 1301 * simply be reused the next time the ring comes around. 1302 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1303 * error. 1304 */ 1305 if (rxstat & TDSTAT_ES && 1306 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1307 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1308 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1309 #define PRINTERR(bit, str) \ 1310 if (rxstat & (bit)) \ 1311 printf("%s: receive error: %s\n", \ 1312 sc->sc_dev.dv_xname, str) 1313 ifp->if_ierrors++; 1314 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1315 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1316 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1317 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1318 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1319 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1320 #undef PRINTERR 1321 TULIP_INIT_RXDESC(sc, i); 1322 continue; 1323 } 1324 1325 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1326 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1327 1328 /* 1329 * No errors; receive the packet. Note the Tulip 1330 * includes the CRC with every packet. 1331 */ 1332 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1333 1334 #ifdef __NO_STRICT_ALIGNMENT 1335 /* 1336 * Allocate a new mbuf cluster. If that fails, we are 1337 * out of memory, and must drop the packet and recycle 1338 * the buffer that's already attached to this descriptor. 1339 */ 1340 m = rxs->rxs_mbuf; 1341 if (tlp_add_rxbuf(sc, i) != 0) { 1342 ifp->if_ierrors++; 1343 TULIP_INIT_RXDESC(sc, i); 1344 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1345 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1346 continue; 1347 } 1348 #else 1349 /* 1350 * The Tulip's receive buffers must be 4-byte aligned. 1351 * But this means that the data after the Ethernet header 1352 * is misaligned. We must allocate a new buffer and 1353 * copy the data, shifted forward 2 bytes. 1354 */ 1355 MGETHDR(m, M_DONTWAIT, MT_DATA); 1356 if (m == NULL) { 1357 dropit: 1358 ifp->if_ierrors++; 1359 TULIP_INIT_RXDESC(sc, i); 1360 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1361 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1362 continue; 1363 } 1364 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1365 if (len > (MHLEN - 2)) { 1366 MCLGET(m, M_DONTWAIT); 1367 if ((m->m_flags & M_EXT) == 0) { 1368 m_freem(m); 1369 goto dropit; 1370 } 1371 } 1372 m->m_data += 2; 1373 1374 /* 1375 * Note that we use clusters for incoming frames, so the 1376 * buffer is virtually contiguous. 1377 */ 1378 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1379 1380 /* Allow the receive descriptor to continue using its mbuf. */ 1381 TULIP_INIT_RXDESC(sc, i); 1382 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1383 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1384 #endif /* __NO_STRICT_ALIGNMENT */ 1385 1386 ifp->if_ipackets++; 1387 eh = mtod(m, struct ether_header *); 1388 m->m_pkthdr.rcvif = ifp; 1389 m->m_pkthdr.len = m->m_len = len; 1390 1391 /* 1392 * XXX Work-around for a weird problem with the emulated 1393 * 21041 on Connectix Virtual PC: 1394 * 1395 * When we receive a full-size TCP segment, we seem to get 1396 * a packet there the Rx status says 1522 bytes, yet we do 1397 * not get a frame-too-long error from the chip. The extra 1398 * bytes seem to always be zeros. Perhaps Virtual PC is 1399 * inserting 4 bytes of zeros after every packet. In any 1400 * case, let's try and detect this condition and truncate 1401 * the length so that it will pass up the stack. 1402 */ 1403 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1404 uint16_t etype = ntohs(eh->ether_type); 1405 1406 if (len > ETHER_MAX_FRAME(ifp, etype, 0)) 1407 m->m_pkthdr.len = m->m_len = len = 1408 ETHER_MAX_FRAME(ifp, etype, 0); 1409 } 1410 1411 #if NBPFILTER > 0 1412 /* 1413 * Pass this up to any BPF listeners, but only 1414 * pass it up the stack if its for us. 1415 */ 1416 if (ifp->if_bpf) 1417 bpf_mtap(ifp->if_bpf, m); 1418 #endif /* NPBFILTER > 0 */ 1419 1420 /* 1421 * We sometimes have to run the 21140 in Hash-Only 1422 * mode. If we're in that mode, and not in promiscuous 1423 * mode, and we have a unicast packet that isn't for 1424 * us, then drop it. 1425 */ 1426 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1427 (ifp->if_flags & IFF_PROMISC) == 0 && 1428 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1429 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1430 ETHER_ADDR_LEN) != 0) { 1431 m_freem(m); 1432 continue; 1433 } 1434 1435 /* Pass it on. */ 1436 (*ifp->if_input)(ifp, m); 1437 } 1438 1439 /* Update the receive pointer. */ 1440 sc->sc_rxptr = i; 1441 } 1442 1443 /* 1444 * tlp_txintr: 1445 * 1446 * Helper; handle transmit interrupts. 1447 */ 1448 static void 1449 tlp_txintr(struct tulip_softc *sc) 1450 { 1451 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1452 struct tulip_txsoft *txs; 1453 u_int32_t txstat; 1454 1455 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1456 sc->sc_dev.dv_xname, sc->sc_flags)); 1457 1458 ifp->if_flags &= ~IFF_OACTIVE; 1459 1460 /* 1461 * Go through our Tx list and free mbufs for those 1462 * frames that have been transmitted. 1463 */ 1464 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1465 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1466 txs->txs_ndescs, 1467 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1468 1469 #ifdef TLP_DEBUG 1470 if (ifp->if_flags & IFF_DEBUG) { 1471 int i; 1472 printf(" txsoft %p transmit chain:\n", txs); 1473 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1474 printf(" descriptor %d:\n", i); 1475 printf(" td_status: 0x%08x\n", 1476 le32toh(sc->sc_txdescs[i].td_status)); 1477 printf(" td_ctl: 0x%08x\n", 1478 le32toh(sc->sc_txdescs[i].td_ctl)); 1479 printf(" td_bufaddr1: 0x%08x\n", 1480 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1481 printf(" td_bufaddr2: 0x%08x\n", 1482 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1483 if (i == txs->txs_lastdesc) 1484 break; 1485 } 1486 } 1487 #endif 1488 1489 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1490 if (txstat & TDSTAT_OWN) 1491 break; 1492 1493 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1494 1495 sc->sc_txfree += txs->txs_ndescs; 1496 1497 if (txs->txs_mbuf == NULL) { 1498 /* 1499 * If we didn't have an mbuf, it was the setup 1500 * packet. 1501 */ 1502 #ifdef DIAGNOSTIC 1503 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1504 panic("tlp_txintr: null mbuf, not doing setup"); 1505 #endif 1506 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1507 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1508 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1509 continue; 1510 } 1511 1512 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1513 0, txs->txs_dmamap->dm_mapsize, 1514 BUS_DMASYNC_POSTWRITE); 1515 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1516 m_freem(txs->txs_mbuf); 1517 txs->txs_mbuf = NULL; 1518 1519 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1520 1521 /* 1522 * Check for errors and collisions. 1523 */ 1524 #ifdef TLP_STATS 1525 if (txstat & TDSTAT_Tx_UF) 1526 sc->sc_stats.ts_tx_uf++; 1527 if (txstat & TDSTAT_Tx_TO) 1528 sc->sc_stats.ts_tx_to++; 1529 if (txstat & TDSTAT_Tx_EC) 1530 sc->sc_stats.ts_tx_ec++; 1531 if (txstat & TDSTAT_Tx_LC) 1532 sc->sc_stats.ts_tx_lc++; 1533 #endif 1534 1535 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1536 ifp->if_oerrors++; 1537 1538 if (txstat & TDSTAT_Tx_EC) 1539 ifp->if_collisions += 16; 1540 else 1541 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1542 if (txstat & TDSTAT_Tx_LC) 1543 ifp->if_collisions++; 1544 1545 ifp->if_opackets++; 1546 } 1547 1548 /* 1549 * If there are no more pending transmissions, cancel the watchdog 1550 * timer. 1551 */ 1552 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1553 ifp->if_timer = 0; 1554 1555 /* 1556 * If we have a receive filter setup pending, do it now. 1557 */ 1558 if (sc->sc_flags & TULIPF_WANT_SETUP) 1559 (*sc->sc_filter_setup)(sc); 1560 } 1561 1562 #ifdef TLP_STATS 1563 void 1564 tlp_print_stats(struct tulip_softc *sc) 1565 { 1566 1567 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1568 sc->sc_dev.dv_xname, 1569 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1570 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1571 } 1572 #endif 1573 1574 /* 1575 * tlp_reset: 1576 * 1577 * Perform a soft reset on the Tulip. 1578 */ 1579 void 1580 tlp_reset(struct tulip_softc *sc) 1581 { 1582 int i; 1583 1584 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1585 1586 /* 1587 * Xircom, ASIX and Conexant clones don't bring themselves 1588 * out of reset automatically. 1589 * Instead, we have to wait at least 50 PCI cycles, and then 1590 * clear SWR. 1591 */ 1592 switch (sc->sc_chip) { 1593 case TULIP_CHIP_X3201_3: 1594 case TULIP_CHIP_AX88140: 1595 case TULIP_CHIP_AX88141: 1596 case TULIP_CHIP_RS7112: 1597 delay(10); 1598 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1599 break; 1600 default: 1601 break; 1602 } 1603 1604 for (i = 0; i < 1000; i++) { 1605 /* 1606 * Wait at least 50 PCI cycles for the reset to 1607 * complete before peeking at the Tulip again. 1608 * 10 uSec is a bit longer than 50 PCI cycles 1609 * (at 33MHz), but it doesn't hurt have the extra 1610 * wait. 1611 */ 1612 delay(10); 1613 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1614 break; 1615 } 1616 1617 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1618 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1619 1620 delay(1000); 1621 1622 /* 1623 * If the board has any GPIO reset sequences to issue, do them now. 1624 */ 1625 if (sc->sc_reset != NULL) 1626 (*sc->sc_reset)(sc); 1627 } 1628 1629 /* 1630 * tlp_init: [ ifnet interface function ] 1631 * 1632 * Initialize the interface. Must be called at splnet(). 1633 */ 1634 static int 1635 tlp_init(struct ifnet *ifp) 1636 { 1637 struct tulip_softc *sc = ifp->if_softc; 1638 struct tulip_txsoft *txs; 1639 struct tulip_rxsoft *rxs; 1640 int i, error = 0; 1641 1642 if ((error = tlp_enable(sc)) != 0) 1643 goto out; 1644 1645 /* 1646 * Cancel any pending I/O. 1647 */ 1648 tlp_stop(ifp, 0); 1649 1650 /* 1651 * Initialize `opmode' to 0, and call the pre-init routine, if 1652 * any. This is required because the 2114x and some of the 1653 * clones require that the media-related bits in `opmode' be 1654 * set before performing a soft-reset in order to get internal 1655 * chip pathways are correct. Yay! 1656 */ 1657 sc->sc_opmode = 0; 1658 if (sc->sc_preinit != NULL) 1659 (*sc->sc_preinit)(sc); 1660 1661 /* 1662 * Reset the Tulip to a known state. 1663 */ 1664 tlp_reset(sc); 1665 1666 /* 1667 * Initialize the BUSMODE register. 1668 */ 1669 sc->sc_busmode = BUSMODE_BAR; 1670 switch (sc->sc_chip) { 1671 case TULIP_CHIP_21140: 1672 case TULIP_CHIP_21140A: 1673 case TULIP_CHIP_21142: 1674 case TULIP_CHIP_21143: 1675 case TULIP_CHIP_82C115: 1676 case TULIP_CHIP_MX98725: 1677 /* 1678 * If we're allowed to do so, use Memory Read Line 1679 * and Memory Read Multiple. 1680 * 1681 * XXX Should we use Memory Write and Invalidate? 1682 */ 1683 if (sc->sc_flags & TULIPF_MRL) 1684 sc->sc_busmode |= BUSMODE_RLE; 1685 if (sc->sc_flags & TULIPF_MRM) 1686 sc->sc_busmode |= BUSMODE_RME; 1687 #if 0 1688 if (sc->sc_flags & TULIPF_MWI) 1689 sc->sc_busmode |= BUSMODE_WLE; 1690 #endif 1691 break; 1692 1693 case TULIP_CHIP_82C168: 1694 case TULIP_CHIP_82C169: 1695 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1696 if (sc->sc_maxburst == 0) 1697 sc->sc_maxburst = 16; 1698 break; 1699 1700 case TULIP_CHIP_AX88140: 1701 case TULIP_CHIP_AX88141: 1702 if (sc->sc_maxburst == 0) 1703 sc->sc_maxburst = 16; 1704 break; 1705 1706 default: 1707 /* Nothing. */ 1708 break; 1709 } 1710 switch (sc->sc_cacheline) { 1711 default: 1712 /* 1713 * Note: We must *always* set these bits; a cache 1714 * alignment of 0 is RESERVED. 1715 */ 1716 case 8: 1717 sc->sc_busmode |= BUSMODE_CAL_8LW; 1718 break; 1719 case 16: 1720 sc->sc_busmode |= BUSMODE_CAL_16LW; 1721 break; 1722 case 32: 1723 sc->sc_busmode |= BUSMODE_CAL_32LW; 1724 break; 1725 } 1726 switch (sc->sc_maxburst) { 1727 case 1: 1728 sc->sc_busmode |= BUSMODE_PBL_1LW; 1729 break; 1730 case 2: 1731 sc->sc_busmode |= BUSMODE_PBL_2LW; 1732 break; 1733 case 4: 1734 sc->sc_busmode |= BUSMODE_PBL_4LW; 1735 break; 1736 case 8: 1737 sc->sc_busmode |= BUSMODE_PBL_8LW; 1738 break; 1739 case 16: 1740 sc->sc_busmode |= BUSMODE_PBL_16LW; 1741 break; 1742 case 32: 1743 sc->sc_busmode |= BUSMODE_PBL_32LW; 1744 break; 1745 default: 1746 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1747 break; 1748 } 1749 #if BYTE_ORDER == BIG_ENDIAN 1750 /* 1751 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1752 * support them, and even on ones that do, it doesn't 1753 * always work. So we always access descriptors with 1754 * little endian via htole32/le32toh. 1755 */ 1756 #endif 1757 /* 1758 * Big-endian bus requires BUSMODE_BLE anyway. 1759 * Also, BUSMODE_DBO is needed because we assume 1760 * descriptors are little endian. 1761 */ 1762 if (sc->sc_flags & TULIPF_BLE) 1763 sc->sc_busmode |= BUSMODE_BLE; 1764 if (sc->sc_flags & TULIPF_DBO) 1765 sc->sc_busmode |= BUSMODE_DBO; 1766 1767 /* 1768 * Some chips have a broken bus interface. 1769 */ 1770 switch (sc->sc_chip) { 1771 case TULIP_CHIP_DM9102: 1772 case TULIP_CHIP_DM9102A: 1773 sc->sc_busmode = 0; 1774 break; 1775 1776 default: 1777 /* Nothing. */ 1778 break; 1779 } 1780 1781 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1782 1783 /* 1784 * Initialize the OPMODE register. We don't write it until 1785 * we're ready to begin the transmit and receive processes. 1786 * 1787 * Media-related OPMODE bits are set in the media callbacks 1788 * for each specific chip/board. 1789 */ 1790 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1791 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1792 1793 /* 1794 * Magical mystery initialization on the Macronix chips. 1795 * The MX98713 uses its own magic value, the rest share 1796 * a common one. 1797 */ 1798 switch (sc->sc_chip) { 1799 case TULIP_CHIP_MX98713: 1800 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1801 break; 1802 1803 case TULIP_CHIP_MX98713A: 1804 case TULIP_CHIP_MX98715: 1805 case TULIP_CHIP_MX98715A: 1806 case TULIP_CHIP_MX98715AEC_X: 1807 case TULIP_CHIP_MX98725: 1808 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1809 break; 1810 1811 default: 1812 /* Nothing. */ 1813 break; 1814 } 1815 1816 /* 1817 * Initialize the transmit descriptor ring. 1818 */ 1819 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1820 for (i = 0; i < TULIP_NTXDESC; i++) { 1821 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1822 sc->sc_txdescs[i].td_bufaddr2 = 1823 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1824 } 1825 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1826 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1827 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1828 sc->sc_txfree = TULIP_NTXDESC; 1829 sc->sc_txnext = 0; 1830 1831 /* 1832 * Initialize the transmit job descriptors. 1833 */ 1834 SIMPLEQ_INIT(&sc->sc_txfreeq); 1835 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1836 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1837 txs = &sc->sc_txsoft[i]; 1838 txs->txs_mbuf = NULL; 1839 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1840 } 1841 1842 /* 1843 * Initialize the receive descriptor and receive job 1844 * descriptor rings. 1845 */ 1846 for (i = 0; i < TULIP_NRXDESC; i++) { 1847 rxs = &sc->sc_rxsoft[i]; 1848 if (rxs->rxs_mbuf == NULL) { 1849 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1850 printf("%s: unable to allocate or map rx " 1851 "buffer %d, error = %d\n", 1852 sc->sc_dev.dv_xname, i, error); 1853 /* 1854 * XXX Should attempt to run with fewer receive 1855 * XXX buffers instead of just failing. 1856 */ 1857 tlp_rxdrain(sc); 1858 goto out; 1859 } 1860 } else 1861 TULIP_INIT_RXDESC(sc, i); 1862 } 1863 sc->sc_rxptr = 0; 1864 1865 /* 1866 * Initialize the interrupt mask and enable interrupts. 1867 */ 1868 /* normal interrupts */ 1869 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1870 1871 /* abnormal interrupts */ 1872 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1873 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1874 1875 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1876 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1877 1878 switch (sc->sc_chip) { 1879 case TULIP_CHIP_WB89C840F: 1880 /* 1881 * Clear bits that we don't want that happen to 1882 * overlap or don't exist. 1883 */ 1884 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1885 break; 1886 1887 default: 1888 /* Nothing. */ 1889 break; 1890 } 1891 1892 sc->sc_rxint_mask &= sc->sc_inten; 1893 sc->sc_txint_mask &= sc->sc_inten; 1894 1895 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1896 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1897 1898 /* 1899 * Give the transmit and receive rings to the Tulip. 1900 */ 1901 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1902 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1903 1904 /* 1905 * On chips that do this differently, set the station address. 1906 */ 1907 switch (sc->sc_chip) { 1908 case TULIP_CHIP_WB89C840F: 1909 { 1910 /* XXX Do this with stream writes? */ 1911 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1912 1913 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1914 bus_space_write_1(sc->sc_st, sc->sc_sh, 1915 cpa + i, LLADDR(ifp->if_sadl)[i]); 1916 } 1917 break; 1918 } 1919 1920 case TULIP_CHIP_AL981: 1921 case TULIP_CHIP_AN983: 1922 case TULIP_CHIP_AN985: 1923 { 1924 u_int32_t reg; 1925 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1926 1927 reg = enaddr[0] | 1928 (enaddr[1] << 8) | 1929 (enaddr[2] << 16) | 1930 (enaddr[3] << 24); 1931 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1932 1933 reg = enaddr[4] | 1934 (enaddr[5] << 8); 1935 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1936 break; 1937 } 1938 1939 case TULIP_CHIP_AX88140: 1940 case TULIP_CHIP_AX88141: 1941 { 1942 u_int32_t reg; 1943 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1944 1945 reg = enaddr[0] | 1946 (enaddr[1] << 8) | 1947 (enaddr[2] << 16) | 1948 (enaddr[3] << 24); 1949 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); 1950 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1951 1952 reg = enaddr[4] | (enaddr[5] << 8); 1953 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); 1954 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1955 break; 1956 } 1957 1958 default: 1959 /* Nothing. */ 1960 break; 1961 } 1962 1963 /* 1964 * Set the receive filter. This will start the transmit and 1965 * receive processes. 1966 */ 1967 (*sc->sc_filter_setup)(sc); 1968 1969 /* 1970 * Set the current media. 1971 */ 1972 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1973 1974 /* 1975 * Start the receive process. 1976 */ 1977 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1978 1979 if (sc->sc_tick != NULL) { 1980 /* Start the one second clock. */ 1981 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1982 } 1983 1984 /* 1985 * Note that the interface is now running. 1986 */ 1987 ifp->if_flags |= IFF_RUNNING; 1988 ifp->if_flags &= ~IFF_OACTIVE; 1989 sc->sc_if_flags = ifp->if_flags; 1990 1991 out: 1992 if (error) { 1993 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1994 ifp->if_timer = 0; 1995 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1996 } 1997 return (error); 1998 } 1999 2000 /* 2001 * tlp_enable: 2002 * 2003 * Enable the Tulip chip. 2004 */ 2005 static int 2006 tlp_enable(struct tulip_softc *sc) 2007 { 2008 2009 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 2010 if ((*sc->sc_enable)(sc) != 0) { 2011 printf("%s: device enable failed\n", 2012 sc->sc_dev.dv_xname); 2013 return (EIO); 2014 } 2015 sc->sc_flags |= TULIPF_ENABLED; 2016 } 2017 return (0); 2018 } 2019 2020 /* 2021 * tlp_disable: 2022 * 2023 * Disable the Tulip chip. 2024 */ 2025 static void 2026 tlp_disable(struct tulip_softc *sc) 2027 { 2028 2029 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 2030 (*sc->sc_disable)(sc); 2031 sc->sc_flags &= ~TULIPF_ENABLED; 2032 } 2033 } 2034 2035 /* 2036 * tlp_power: 2037 * 2038 * Power management (suspend/resume) hook. 2039 */ 2040 static void 2041 tlp_power(int why, void *arg) 2042 { 2043 struct tulip_softc *sc = arg; 2044 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2045 int s; 2046 2047 s = splnet(); 2048 switch (why) { 2049 case PWR_STANDBY: 2050 /* do nothing! */ 2051 break; 2052 case PWR_SUSPEND: 2053 tlp_stop(ifp, 0); 2054 if (sc->sc_power != NULL) 2055 (*sc->sc_power)(sc, why); 2056 break; 2057 case PWR_RESUME: 2058 if (ifp->if_flags & IFF_UP) { 2059 if (sc->sc_power != NULL) 2060 (*sc->sc_power)(sc, why); 2061 tlp_init(ifp); 2062 } 2063 break; 2064 case PWR_SOFTSUSPEND: 2065 case PWR_SOFTSTANDBY: 2066 case PWR_SOFTRESUME: 2067 break; 2068 } 2069 splx(s); 2070 } 2071 2072 /* 2073 * tlp_rxdrain: 2074 * 2075 * Drain the receive queue. 2076 */ 2077 static void 2078 tlp_rxdrain(struct tulip_softc *sc) 2079 { 2080 struct tulip_rxsoft *rxs; 2081 int i; 2082 2083 for (i = 0; i < TULIP_NRXDESC; i++) { 2084 rxs = &sc->sc_rxsoft[i]; 2085 if (rxs->rxs_mbuf != NULL) { 2086 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2087 m_freem(rxs->rxs_mbuf); 2088 rxs->rxs_mbuf = NULL; 2089 } 2090 } 2091 } 2092 2093 /* 2094 * tlp_stop: [ ifnet interface function ] 2095 * 2096 * Stop transmission on the interface. 2097 */ 2098 static void 2099 tlp_stop(struct ifnet *ifp, int disable) 2100 { 2101 struct tulip_softc *sc = ifp->if_softc; 2102 struct tulip_txsoft *txs; 2103 2104 if (sc->sc_tick != NULL) { 2105 /* Stop the one second clock. */ 2106 callout_stop(&sc->sc_tick_callout); 2107 } 2108 2109 if (sc->sc_flags & TULIPF_HAS_MII) { 2110 /* Down the MII. */ 2111 mii_down(&sc->sc_mii); 2112 } 2113 2114 /* Disable interrupts. */ 2115 TULIP_WRITE(sc, CSR_INTEN, 0); 2116 2117 /* Stop the transmit and receive processes. */ 2118 sc->sc_opmode = 0; 2119 TULIP_WRITE(sc, CSR_OPMODE, 0); 2120 TULIP_WRITE(sc, CSR_RXLIST, 0); 2121 TULIP_WRITE(sc, CSR_TXLIST, 0); 2122 2123 /* 2124 * Release any queued transmit buffers. 2125 */ 2126 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2127 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2128 if (txs->txs_mbuf != NULL) { 2129 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2130 m_freem(txs->txs_mbuf); 2131 txs->txs_mbuf = NULL; 2132 } 2133 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2134 } 2135 2136 if (disable) { 2137 tlp_rxdrain(sc); 2138 tlp_disable(sc); 2139 } 2140 2141 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2142 2143 /* 2144 * Mark the interface down and cancel the watchdog timer. 2145 */ 2146 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2147 sc->sc_if_flags = ifp->if_flags; 2148 ifp->if_timer = 0; 2149 2150 /* 2151 * Reset the chip (needed on some flavors to actually disable it). 2152 */ 2153 tlp_reset(sc); 2154 } 2155 2156 #define SROM_EMIT(sc, x) \ 2157 do { \ 2158 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2159 delay(2); \ 2160 } while (0) 2161 2162 /* 2163 * tlp_srom_idle: 2164 * 2165 * Put the SROM in idle state. 2166 */ 2167 static void 2168 tlp_srom_idle(struct tulip_softc *sc) 2169 { 2170 u_int32_t miirom; 2171 int i; 2172 2173 miirom = MIIROM_SR; 2174 SROM_EMIT(sc, miirom); 2175 2176 miirom |= MIIROM_RD; 2177 SROM_EMIT(sc, miirom); 2178 2179 miirom |= MIIROM_SROMCS; 2180 SROM_EMIT(sc, miirom); 2181 2182 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2183 2184 /* Strobe the clock 32 times. */ 2185 for (i = 0; i < 32; i++) { 2186 SROM_EMIT(sc, miirom); 2187 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2188 } 2189 2190 SROM_EMIT(sc, miirom); 2191 2192 miirom &= ~MIIROM_SROMCS; 2193 SROM_EMIT(sc, miirom); 2194 2195 SROM_EMIT(sc, 0); 2196 } 2197 2198 /* 2199 * tlp_srom_size: 2200 * 2201 * Determine the number of address bits in the SROM. 2202 */ 2203 static int 2204 tlp_srom_size(struct tulip_softc *sc) 2205 { 2206 u_int32_t miirom; 2207 int x; 2208 2209 /* Select the SROM. */ 2210 miirom = MIIROM_SR; 2211 SROM_EMIT(sc, miirom); 2212 2213 miirom |= MIIROM_RD; 2214 SROM_EMIT(sc, miirom); 2215 2216 /* Send CHIP SELECT for one clock tick. */ 2217 miirom |= MIIROM_SROMCS; 2218 SROM_EMIT(sc, miirom); 2219 2220 /* Shift in the READ opcode. */ 2221 for (x = 3; x > 0; x--) { 2222 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2223 miirom |= MIIROM_SROMDI; 2224 else 2225 miirom &= ~MIIROM_SROMDI; 2226 SROM_EMIT(sc, miirom); 2227 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2228 SROM_EMIT(sc, miirom); 2229 } 2230 2231 /* Shift in address and look for dummy 0 bit. */ 2232 for (x = 1; x <= 12; x++) { 2233 miirom &= ~MIIROM_SROMDI; 2234 SROM_EMIT(sc, miirom); 2235 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2236 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2237 break; 2238 SROM_EMIT(sc, miirom); 2239 } 2240 2241 /* Clear CHIP SELECT. */ 2242 miirom &= ~MIIROM_SROMCS; 2243 SROM_EMIT(sc, miirom); 2244 2245 /* Deselect the SROM. */ 2246 SROM_EMIT(sc, 0); 2247 2248 if (x < 4 || x > 12) { 2249 printf("%s: broken MicroWire interface detected; " 2250 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2251 return (6); 2252 } else { 2253 if (tlp_srom_debug) 2254 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2255 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2256 return (x); 2257 } 2258 } 2259 2260 /* 2261 * tlp_read_srom: 2262 * 2263 * Read the Tulip SROM. 2264 */ 2265 int 2266 tlp_read_srom(struct tulip_softc *sc) 2267 { 2268 int size; 2269 u_int32_t miirom; 2270 u_int16_t datain; 2271 int i, x; 2272 2273 tlp_srom_idle(sc); 2274 2275 sc->sc_srom_addrbits = tlp_srom_size(sc); 2276 if (sc->sc_srom_addrbits == 0) 2277 return (0); 2278 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2279 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2280 2281 /* Select the SROM. */ 2282 miirom = MIIROM_SR; 2283 SROM_EMIT(sc, miirom); 2284 2285 miirom |= MIIROM_RD; 2286 SROM_EMIT(sc, miirom); 2287 2288 for (i = 0; i < size; i += 2) { 2289 /* Send CHIP SELECT for one clock tick. */ 2290 miirom |= MIIROM_SROMCS; 2291 SROM_EMIT(sc, miirom); 2292 2293 /* Shift in the READ opcode. */ 2294 for (x = 3; x > 0; x--) { 2295 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2296 miirom |= MIIROM_SROMDI; 2297 else 2298 miirom &= ~MIIROM_SROMDI; 2299 SROM_EMIT(sc, miirom); 2300 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2301 SROM_EMIT(sc, miirom); 2302 } 2303 2304 /* Shift in address. */ 2305 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2306 if (i & (1 << x)) 2307 miirom |= MIIROM_SROMDI; 2308 else 2309 miirom &= ~MIIROM_SROMDI; 2310 SROM_EMIT(sc, miirom); 2311 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2312 SROM_EMIT(sc, miirom); 2313 } 2314 2315 /* Shift out data. */ 2316 miirom &= ~MIIROM_SROMDI; 2317 datain = 0; 2318 for (x = 16; x > 0; x--) { 2319 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2320 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2321 datain |= (1 << (x - 1)); 2322 SROM_EMIT(sc, miirom); 2323 } 2324 sc->sc_srom[i] = datain & 0xff; 2325 sc->sc_srom[i + 1] = datain >> 8; 2326 2327 /* Clear CHIP SELECT. */ 2328 miirom &= ~MIIROM_SROMCS; 2329 SROM_EMIT(sc, miirom); 2330 } 2331 2332 /* Deselect the SROM. */ 2333 SROM_EMIT(sc, 0); 2334 2335 /* ...and idle it. */ 2336 tlp_srom_idle(sc); 2337 2338 if (tlp_srom_debug) { 2339 printf("SROM CONTENTS:"); 2340 for (i = 0; i < size; i++) { 2341 if ((i % 8) == 0) 2342 printf("\n\t"); 2343 printf("0x%02x ", sc->sc_srom[i]); 2344 } 2345 printf("\n"); 2346 } 2347 2348 return (1); 2349 } 2350 2351 #undef SROM_EMIT 2352 2353 /* 2354 * tlp_add_rxbuf: 2355 * 2356 * Add a receive buffer to the indicated descriptor. 2357 */ 2358 static int 2359 tlp_add_rxbuf(struct tulip_softc *sc, int idx) 2360 { 2361 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2362 struct mbuf *m; 2363 int error; 2364 2365 MGETHDR(m, M_DONTWAIT, MT_DATA); 2366 if (m == NULL) 2367 return (ENOBUFS); 2368 2369 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2370 MCLGET(m, M_DONTWAIT); 2371 if ((m->m_flags & M_EXT) == 0) { 2372 m_freem(m); 2373 return (ENOBUFS); 2374 } 2375 2376 if (rxs->rxs_mbuf != NULL) 2377 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2378 2379 rxs->rxs_mbuf = m; 2380 2381 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2382 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2383 BUS_DMA_READ|BUS_DMA_NOWAIT); 2384 if (error) { 2385 printf("%s: can't load rx DMA map %d, error = %d\n", 2386 sc->sc_dev.dv_xname, idx, error); 2387 panic("tlp_add_rxbuf"); /* XXX */ 2388 } 2389 2390 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2391 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2392 2393 TULIP_INIT_RXDESC(sc, idx); 2394 2395 return (0); 2396 } 2397 2398 /* 2399 * tlp_srom_crcok: 2400 * 2401 * Check the CRC of the Tulip SROM. 2402 */ 2403 int 2404 tlp_srom_crcok(const u_int8_t *romdata) 2405 { 2406 u_int32_t crc; 2407 2408 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2409 crc = (crc & 0xffff) ^ 0xffff; 2410 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2411 return (1); 2412 2413 /* 2414 * Try an alternate checksum. 2415 */ 2416 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2417 crc = (crc & 0xffff) ^ 0xffff; 2418 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2419 return (1); 2420 2421 return (0); 2422 } 2423 2424 /* 2425 * tlp_isv_srom: 2426 * 2427 * Check to see if the SROM is in the new standardized format. 2428 */ 2429 int 2430 tlp_isv_srom(const u_int8_t *romdata) 2431 { 2432 int i; 2433 u_int16_t cksum; 2434 2435 if (tlp_srom_crcok(romdata)) { 2436 /* 2437 * SROM CRC checks out; must be in the new format. 2438 */ 2439 return (1); 2440 } 2441 2442 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2443 if (cksum == 0xffff || cksum == 0) { 2444 /* 2445 * No checksum present. Check the SROM ID; 18 bytes of 0 2446 * followed by 1 (version) followed by the number of 2447 * adapters which use this SROM (should be non-zero). 2448 */ 2449 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2450 if (romdata[i] != 0) 2451 return (0); 2452 } 2453 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2454 return (0); 2455 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2456 return (0); 2457 return (1); 2458 } 2459 2460 return (0); 2461 } 2462 2463 /* 2464 * tlp_isv_srom_enaddr: 2465 * 2466 * Get the Ethernet address from an ISV SROM. 2467 */ 2468 int 2469 tlp_isv_srom_enaddr(struct tulip_softc *sc, u_int8_t *enaddr) 2470 { 2471 int i, devcnt; 2472 2473 if (tlp_isv_srom(sc->sc_srom) == 0) 2474 return (0); 2475 2476 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2477 for (i = 0; i < devcnt; i++) { 2478 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2479 break; 2480 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2481 sc->sc_devno) 2482 break; 2483 } 2484 2485 if (i == devcnt) 2486 return (0); 2487 2488 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2489 ETHER_ADDR_LEN); 2490 enaddr[5] += i; 2491 2492 return (1); 2493 } 2494 2495 /* 2496 * tlp_parse_old_srom: 2497 * 2498 * Parse old-format SROMs. 2499 * 2500 * This routine is largely lifted from Matt Thomas's `de' driver. 2501 */ 2502 int 2503 tlp_parse_old_srom(struct tulip_softc *sc, u_int8_t *enaddr) 2504 { 2505 static const u_int8_t testpat[] = 2506 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2507 int i; 2508 u_int32_t cksum; 2509 2510 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2511 /* 2512 * Cobalt Networks interfaces simply have the address 2513 * in the first six bytes. The rest is zeroed out 2514 * on some models, but others contain unknown data. 2515 */ 2516 if (sc->sc_srom[0] == 0x00 && 2517 sc->sc_srom[1] == 0x10 && 2518 sc->sc_srom[2] == 0xe0) { 2519 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2520 return (1); 2521 } 2522 2523 /* 2524 * Some vendors (e.g. ZNYX) don't use the standard 2525 * DEC Address ROM format, but rather just have an 2526 * Ethernet address in the first 6 bytes, maybe a 2527 * 2 byte checksum, and then all 0xff's. 2528 */ 2529 for (i = 8; i < 32; i++) { 2530 if (sc->sc_srom[i] != 0xff && 2531 sc->sc_srom[i] != 0) 2532 return (0); 2533 } 2534 2535 /* 2536 * Sanity check the Ethernet address: 2537 * 2538 * - Make sure it's not multicast or locally 2539 * assigned 2540 * - Make sure it has a non-0 OUI 2541 */ 2542 if (sc->sc_srom[0] & 3) 2543 return (0); 2544 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2545 sc->sc_srom[2] == 0) 2546 return (0); 2547 2548 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2549 return (1); 2550 } 2551 2552 /* 2553 * Standard DEC Address ROM test. 2554 */ 2555 2556 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2557 return (0); 2558 2559 for (i = 0; i < 8; i++) { 2560 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2561 return (0); 2562 } 2563 2564 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2565 2566 cksum = *(u_int16_t *) &enaddr[0]; 2567 2568 cksum <<= 1; 2569 if (cksum > 0xffff) 2570 cksum -= 0xffff; 2571 2572 cksum += *(u_int16_t *) &enaddr[2]; 2573 if (cksum > 0xffff) 2574 cksum -= 0xffff; 2575 2576 cksum <<= 1; 2577 if (cksum > 0xffff) 2578 cksum -= 0xffff; 2579 2580 cksum += *(u_int16_t *) &enaddr[4]; 2581 if (cksum >= 0xffff) 2582 cksum -= 0xffff; 2583 2584 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2585 return (0); 2586 2587 return (1); 2588 } 2589 2590 /* 2591 * tlp_filter_setup: 2592 * 2593 * Set the Tulip's receive filter. 2594 */ 2595 static void 2596 tlp_filter_setup(struct tulip_softc *sc) 2597 { 2598 struct ethercom *ec = &sc->sc_ethercom; 2599 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2600 struct ether_multi *enm; 2601 struct ether_multistep step; 2602 volatile u_int32_t *sp; 2603 struct tulip_txsoft *txs; 2604 u_int8_t enaddr[ETHER_ADDR_LEN]; 2605 u_int32_t hash, hashsize; 2606 int cnt, nexttx; 2607 2608 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2609 sc->sc_dev.dv_xname, sc->sc_flags)); 2610 2611 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2612 2613 /* 2614 * If there are transmissions pending, wait until they have 2615 * completed. 2616 */ 2617 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2618 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2619 sc->sc_flags |= TULIPF_WANT_SETUP; 2620 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2621 sc->sc_dev.dv_xname)); 2622 return; 2623 } 2624 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2625 2626 switch (sc->sc_chip) { 2627 case TULIP_CHIP_82C115: 2628 hashsize = TULIP_PNICII_HASHSIZE; 2629 break; 2630 2631 default: 2632 hashsize = TULIP_MCHASHSIZE; 2633 } 2634 2635 /* 2636 * If we're running, idle the transmit and receive engines. If 2637 * we're NOT running, we're being called from tlp_init(), and our 2638 * writing OPMODE will start the transmit and receive processes 2639 * in motion. 2640 */ 2641 if (ifp->if_flags & IFF_RUNNING) 2642 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2643 2644 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2645 2646 if (ifp->if_flags & IFF_PROMISC) { 2647 sc->sc_opmode |= OPMODE_PR; 2648 goto allmulti; 2649 } 2650 2651 /* 2652 * Try Perfect filtering first. 2653 */ 2654 2655 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2656 sp = TULIP_CDSP(sc); 2657 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2658 cnt = 0; 2659 ETHER_FIRST_MULTI(step, ec, enm); 2660 while (enm != NULL) { 2661 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2662 /* 2663 * We must listen to a range of multicast addresses. 2664 * For now, just accept all multicasts, rather than 2665 * trying to set only those filter bits needed to match 2666 * the range. (At this time, the only use of address 2667 * ranges is for IP multicast routing, for which the 2668 * range is big enough to require all bits set.) 2669 */ 2670 goto allmulti; 2671 } 2672 if (cnt == (TULIP_MAXADDRS - 2)) { 2673 /* 2674 * We already have our multicast limit (still need 2675 * our station address and broadcast). Go to 2676 * Hash-Perfect mode. 2677 */ 2678 goto hashperfect; 2679 } 2680 cnt++; 2681 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2682 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2683 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2684 ETHER_NEXT_MULTI(step, enm); 2685 } 2686 2687 if (ifp->if_flags & IFF_BROADCAST) { 2688 /* ...and the broadcast address. */ 2689 cnt++; 2690 *sp++ = TULIP_SP_FIELD_C(0xffff); 2691 *sp++ = TULIP_SP_FIELD_C(0xffff); 2692 *sp++ = TULIP_SP_FIELD_C(0xffff); 2693 } 2694 2695 /* Pad the rest with our station address. */ 2696 for (; cnt < TULIP_MAXADDRS; cnt++) { 2697 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2698 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2699 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2700 } 2701 ifp->if_flags &= ~IFF_ALLMULTI; 2702 goto setit; 2703 2704 hashperfect: 2705 /* 2706 * Try Hash-Perfect mode. 2707 */ 2708 2709 /* 2710 * Some 21140 chips have broken Hash-Perfect modes. On these 2711 * chips, we simply use Hash-Only mode, and put our station 2712 * address into the filter. 2713 */ 2714 if (sc->sc_chip == TULIP_CHIP_21140) 2715 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2716 else 2717 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2718 sp = TULIP_CDSP(sc); 2719 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2720 ETHER_FIRST_MULTI(step, ec, enm); 2721 while (enm != NULL) { 2722 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2723 /* 2724 * We must listen to a range of multicast addresses. 2725 * For now, just accept all multicasts, rather than 2726 * trying to set only those filter bits needed to match 2727 * the range. (At this time, the only use of address 2728 * ranges is for IP multicast routing, for which the 2729 * range is big enough to require all bits set.) 2730 */ 2731 goto allmulti; 2732 } 2733 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2734 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2735 ETHER_NEXT_MULTI(step, enm); 2736 } 2737 2738 if (ifp->if_flags & IFF_BROADCAST) { 2739 /* ...and the broadcast address. */ 2740 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2741 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2742 } 2743 2744 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2745 /* ...and our station address. */ 2746 hash = tlp_mchash(enaddr, hashsize); 2747 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2748 } else { 2749 /* 2750 * Hash-Perfect mode; put our station address after 2751 * the hash table. 2752 */ 2753 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2754 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2755 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2756 } 2757 ifp->if_flags &= ~IFF_ALLMULTI; 2758 goto setit; 2759 2760 allmulti: 2761 /* 2762 * Use Perfect filter mode. First address is the broadcast address, 2763 * and pad the rest with our station address. We'll set Pass-all- 2764 * multicast in OPMODE below. 2765 */ 2766 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2767 sp = TULIP_CDSP(sc); 2768 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2769 cnt = 0; 2770 if (ifp->if_flags & IFF_BROADCAST) { 2771 cnt++; 2772 *sp++ = TULIP_SP_FIELD_C(0xffff); 2773 *sp++ = TULIP_SP_FIELD_C(0xffff); 2774 *sp++ = TULIP_SP_FIELD_C(0xffff); 2775 } 2776 for (; cnt < TULIP_MAXADDRS; cnt++) { 2777 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2778 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2779 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2780 } 2781 ifp->if_flags |= IFF_ALLMULTI; 2782 2783 setit: 2784 if (ifp->if_flags & IFF_ALLMULTI) 2785 sc->sc_opmode |= OPMODE_PM; 2786 2787 /* Sync the setup packet buffer. */ 2788 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2789 2790 /* 2791 * Fill in the setup packet descriptor. 2792 */ 2793 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2794 2795 txs->txs_firstdesc = sc->sc_txnext; 2796 txs->txs_lastdesc = sc->sc_txnext; 2797 txs->txs_ndescs = 1; 2798 txs->txs_mbuf = NULL; 2799 2800 nexttx = sc->sc_txnext; 2801 sc->sc_txdescs[nexttx].td_status = 0; 2802 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2803 sc->sc_txdescs[nexttx].td_ctl = 2804 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2805 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2806 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2807 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2808 TULIP_CDTXSYNC(sc, nexttx, 1, 2809 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2810 2811 #ifdef TLP_DEBUG 2812 if (ifp->if_flags & IFF_DEBUG) { 2813 printf(" filter_setup %p transmit chain:\n", txs); 2814 printf(" descriptor %d:\n", nexttx); 2815 printf(" td_status: 0x%08x\n", 2816 le32toh(sc->sc_txdescs[nexttx].td_status)); 2817 printf(" td_ctl: 0x%08x\n", 2818 le32toh(sc->sc_txdescs[nexttx].td_ctl)); 2819 printf(" td_bufaddr1: 0x%08x\n", 2820 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1)); 2821 printf(" td_bufaddr2: 0x%08x\n", 2822 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2)); 2823 } 2824 #endif 2825 2826 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN); 2827 TULIP_CDTXSYNC(sc, nexttx, 1, 2828 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2829 2830 /* Advance the tx pointer. */ 2831 sc->sc_txfree -= 1; 2832 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2833 2834 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2835 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2836 2837 /* 2838 * Set the OPMODE register. This will also resume the 2839 * transmit process we idled above. 2840 */ 2841 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2842 2843 sc->sc_flags |= TULIPF_DOING_SETUP; 2844 2845 /* 2846 * Kick the transmitter; this will cause the Tulip to 2847 * read the setup descriptor. 2848 */ 2849 /* XXX USE AUTOPOLLING? */ 2850 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2851 2852 /* Set up a watchdog timer in case the chip flakes out. */ 2853 ifp->if_timer = 5; 2854 2855 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2856 } 2857 2858 /* 2859 * tlp_winb_filter_setup: 2860 * 2861 * Set the Winbond 89C840F's receive filter. 2862 */ 2863 static void 2864 tlp_winb_filter_setup(struct tulip_softc *sc) 2865 { 2866 struct ethercom *ec = &sc->sc_ethercom; 2867 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2868 struct ether_multi *enm; 2869 struct ether_multistep step; 2870 u_int32_t hash, mchash[2]; 2871 2872 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2873 sc->sc_dev.dv_xname, sc->sc_flags)); 2874 2875 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2876 2877 if (ifp->if_flags & IFF_MULTICAST) 2878 sc->sc_opmode |= OPMODE_WINB_AMP; 2879 2880 if (ifp->if_flags & IFF_BROADCAST) 2881 sc->sc_opmode |= OPMODE_WINB_ABP; 2882 2883 if (ifp->if_flags & IFF_PROMISC) { 2884 sc->sc_opmode |= OPMODE_WINB_APP; 2885 goto allmulti; 2886 } 2887 2888 mchash[0] = mchash[1] = 0; 2889 2890 ETHER_FIRST_MULTI(step, ec, enm); 2891 while (enm != NULL) { 2892 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2893 /* 2894 * We must listen to a range of multicast addresses. 2895 * For now, just accept all multicasts, rather than 2896 * trying to set only those filter bits needed to match 2897 * the range. (At this time, the only use of address 2898 * ranges is for IP multicast routing, for which the 2899 * range is big enough to require all bits set.) 2900 */ 2901 goto allmulti; 2902 } 2903 2904 /* 2905 * According to the FreeBSD `wb' driver, yes, you 2906 * really do invert the hash. 2907 */ 2908 hash = 2909 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2910 & 0x3f; 2911 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2912 ETHER_NEXT_MULTI(step, enm); 2913 } 2914 ifp->if_flags &= ~IFF_ALLMULTI; 2915 goto setit; 2916 2917 allmulti: 2918 ifp->if_flags |= IFF_ALLMULTI; 2919 mchash[0] = mchash[1] = 0xffffffff; 2920 2921 setit: 2922 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2923 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2924 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2925 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2926 sc->sc_dev.dv_xname)); 2927 } 2928 2929 /* 2930 * tlp_al981_filter_setup: 2931 * 2932 * Set the ADMtek AL981's receive filter. 2933 */ 2934 static void 2935 tlp_al981_filter_setup(struct tulip_softc *sc) 2936 { 2937 struct ethercom *ec = &sc->sc_ethercom; 2938 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2939 struct ether_multi *enm; 2940 struct ether_multistep step; 2941 u_int32_t hash, mchash[2]; 2942 2943 /* 2944 * If the chip is running, we need to reset the interface, 2945 * and will revisit here (with IFF_RUNNING) clear. The 2946 * chip seems to really not like to have its multicast 2947 * filter programmed without a reset. 2948 */ 2949 if (ifp->if_flags & IFF_RUNNING) { 2950 (void) tlp_init(ifp); 2951 return; 2952 } 2953 2954 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2955 sc->sc_dev.dv_xname, sc->sc_flags)); 2956 2957 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2958 2959 if (ifp->if_flags & IFF_PROMISC) { 2960 sc->sc_opmode |= OPMODE_PR; 2961 goto allmulti; 2962 } 2963 2964 mchash[0] = mchash[1] = 0; 2965 2966 ETHER_FIRST_MULTI(step, ec, enm); 2967 while (enm != NULL) { 2968 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2969 /* 2970 * We must listen to a range of multicast addresses. 2971 * For now, just accept all multicasts, rather than 2972 * trying to set only those filter bits needed to match 2973 * the range. (At this time, the only use of address 2974 * ranges is for IP multicast routing, for which the 2975 * range is big enough to require all bits set.) 2976 */ 2977 goto allmulti; 2978 } 2979 2980 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2981 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2982 ETHER_NEXT_MULTI(step, enm); 2983 } 2984 ifp->if_flags &= ~IFF_ALLMULTI; 2985 goto setit; 2986 2987 allmulti: 2988 ifp->if_flags |= IFF_ALLMULTI; 2989 mchash[0] = mchash[1] = 0xffffffff; 2990 2991 setit: 2992 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2993 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2994 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2995 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2996 sc->sc_dev.dv_xname)); 2997 } 2998 2999 /* 3000 * tlp_asix_filter_setup: 3001 * 3002 * Set the ASIX AX8814x recieve filter. 3003 */ 3004 static void 3005 tlp_asix_filter_setup(struct tulip_softc *sc) 3006 { 3007 struct ethercom *ec = &sc->sc_ethercom; 3008 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3009 struct ether_multi *enm; 3010 struct ether_multistep step; 3011 u_int32_t hash, mchash[2]; 3012 3013 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 3014 sc->sc_dev.dv_xname, sc->sc_flags)); 3015 3016 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 3017 3018 if (ifp->if_flags & IFF_MULTICAST) 3019 sc->sc_opmode |= OPMODE_PM; 3020 3021 if (ifp->if_flags & IFF_BROADCAST) 3022 sc->sc_opmode |= OPMODE_AX_RB; 3023 3024 if (ifp->if_flags & IFF_PROMISC) { 3025 sc->sc_opmode |= OPMODE_PR; 3026 goto allmulti; 3027 } 3028 3029 mchash[0] = mchash[1] = 0; 3030 3031 ETHER_FIRST_MULTI(step, ec, enm); 3032 while (enm != NULL) { 3033 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 3034 /* 3035 * We must listen to a range of multicast addresses. 3036 * For now, just accept all multicasts, rather than 3037 * trying to set only those filter bits needed to match 3038 * the range. (At this time, the only use of address 3039 * ranges is for IP multicast routing, for which the 3040 * range is big enough to require all bits set.) 3041 */ 3042 goto allmulti; 3043 } 3044 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3045 & 0x3f; 3046 if (hash < 32) 3047 mchash[0] |= (1 << hash); 3048 else 3049 mchash[1] |= (1 << (hash - 32)); 3050 ETHER_NEXT_MULTI(step, enm); 3051 } 3052 ifp->if_flags &= ~IFF_ALLMULTI; 3053 goto setit; 3054 3055 allmulti: 3056 ifp->if_flags |= IFF_ALLMULTI; 3057 mchash[0] = mchash[1] = 0xffffffff; 3058 3059 setit: 3060 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3061 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3062 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3063 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3064 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3065 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3066 sc->sc_dev.dv_xname)); 3067 } 3068 3069 3070 /* 3071 * tlp_idle: 3072 * 3073 * Cause the transmit and/or receive processes to go idle. 3074 */ 3075 void 3076 tlp_idle(struct tulip_softc *sc, u_int32_t bits) 3077 { 3078 static const char * const tlp_tx_state_names[] = { 3079 "STOPPED", 3080 "RUNNING - FETCH", 3081 "RUNNING - WAIT", 3082 "RUNNING - READING", 3083 "-- RESERVED --", 3084 "RUNNING - SETUP", 3085 "SUSPENDED", 3086 "RUNNING - CLOSE", 3087 }; 3088 static const char * const tlp_rx_state_names[] = { 3089 "STOPPED", 3090 "RUNNING - FETCH", 3091 "RUNNING - CHECK", 3092 "RUNNING - WAIT", 3093 "SUSPENDED", 3094 "RUNNING - CLOSE", 3095 "RUNNING - FLUSH", 3096 "RUNNING - QUEUE", 3097 }; 3098 static const char * const dm9102_tx_state_names[] = { 3099 "STOPPED", 3100 "RUNNING - FETCH", 3101 "RUNNING - SETUP", 3102 "RUNNING - READING", 3103 "RUNNING - CLOSE - CLEAR OWNER", 3104 "RUNNING - WAIT", 3105 "RUNNING - CLOSE - WRITE STATUS", 3106 "SUSPENDED", 3107 }; 3108 static const char * const dm9102_rx_state_names[] = { 3109 "STOPPED", 3110 "RUNNING - FETCH", 3111 "RUNNING - WAIT", 3112 "RUNNING - QUEUE", 3113 "RUNNING - CLOSE - CLEAR OWNER", 3114 "RUNNING - CLOSE - WRITE STATUS", 3115 "SUSPENDED", 3116 "RUNNING - FLUSH", 3117 }; 3118 3119 const char * const *tx_state_names, * const *rx_state_names; 3120 u_int32_t csr, ackmask = 0; 3121 int i; 3122 3123 switch (sc->sc_chip) { 3124 case TULIP_CHIP_DM9102: 3125 case TULIP_CHIP_DM9102A: 3126 tx_state_names = dm9102_tx_state_names; 3127 rx_state_names = dm9102_rx_state_names; 3128 break; 3129 3130 default: 3131 tx_state_names = tlp_tx_state_names; 3132 rx_state_names = tlp_rx_state_names; 3133 break; 3134 } 3135 3136 if (bits & OPMODE_ST) 3137 ackmask |= STATUS_TPS; 3138 3139 if (bits & OPMODE_SR) 3140 ackmask |= STATUS_RPS; 3141 3142 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3143 3144 for (i = 0; i < 1000; i++) { 3145 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3146 break; 3147 delay(10); 3148 } 3149 3150 csr = TULIP_READ(sc, CSR_STATUS); 3151 if ((csr & ackmask) != ackmask) { 3152 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3153 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3154 switch (sc->sc_chip) { 3155 case TULIP_CHIP_AX88140: 3156 case TULIP_CHIP_AX88141: 3157 /* 3158 * Filter the message out on noisy chips. 3159 */ 3160 break; 3161 default: 3162 printf("%s: transmit process failed to idle: " 3163 "state %s\n", sc->sc_dev.dv_xname, 3164 tx_state_names[(csr & STATUS_TS) >> 20]); 3165 } 3166 } 3167 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3168 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3169 switch (sc->sc_chip) { 3170 case TULIP_CHIP_AN983: 3171 case TULIP_CHIP_AN985: 3172 case TULIP_CHIP_DM9102A: 3173 case TULIP_CHIP_RS7112: 3174 /* 3175 * Filter the message out on noisy chips. 3176 */ 3177 break; 3178 default: 3179 printf("%s: receive process failed to idle: " 3180 "state %s\n", sc->sc_dev.dv_xname, 3181 rx_state_names[(csr & STATUS_RS) >> 17]); 3182 } 3183 } 3184 } 3185 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3186 } 3187 3188 /***************************************************************************** 3189 * Generic media support functions. 3190 *****************************************************************************/ 3191 3192 /* 3193 * tlp_mediastatus: [ifmedia interface function] 3194 * 3195 * Query the current media. 3196 */ 3197 void 3198 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3199 { 3200 struct tulip_softc *sc = ifp->if_softc; 3201 3202 if (TULIP_IS_ENABLED(sc) == 0) { 3203 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3204 ifmr->ifm_status = 0; 3205 return; 3206 } 3207 3208 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3209 } 3210 3211 /* 3212 * tlp_mediachange: [ifmedia interface function] 3213 * 3214 * Update the current media. 3215 */ 3216 int 3217 tlp_mediachange(struct ifnet *ifp) 3218 { 3219 struct tulip_softc *sc = ifp->if_softc; 3220 3221 if ((ifp->if_flags & IFF_UP) == 0) 3222 return (0); 3223 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3224 } 3225 3226 /***************************************************************************** 3227 * Support functions for MII-attached media. 3228 *****************************************************************************/ 3229 3230 /* 3231 * tlp_mii_tick: 3232 * 3233 * One second timer, used to tick the MII. 3234 */ 3235 static void 3236 tlp_mii_tick(void *arg) 3237 { 3238 struct tulip_softc *sc = arg; 3239 int s; 3240 3241 if (!device_is_active(&sc->sc_dev)) 3242 return; 3243 3244 s = splnet(); 3245 mii_tick(&sc->sc_mii); 3246 splx(s); 3247 3248 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3249 } 3250 3251 /* 3252 * tlp_mii_statchg: [mii interface function] 3253 * 3254 * Callback from PHY when media changes. 3255 */ 3256 static void 3257 tlp_mii_statchg(struct device *self) 3258 { 3259 struct tulip_softc *sc = (struct tulip_softc *)self; 3260 3261 /* Idle the transmit and receive processes. */ 3262 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3263 3264 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3265 3266 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3267 sc->sc_opmode |= OPMODE_TTM; 3268 else 3269 sc->sc_opmode |= OPMODE_HBD; 3270 3271 if (sc->sc_mii.mii_media_active & IFM_FDX) 3272 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3273 3274 /* 3275 * Write new OPMODE bits. This also restarts the transmit 3276 * and receive processes. 3277 */ 3278 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3279 } 3280 3281 /* 3282 * tlp_winb_mii_statchg: [mii interface function] 3283 * 3284 * Callback from PHY when media changes. This version is 3285 * for the Winbond 89C840F, which has different OPMODE bits. 3286 */ 3287 static void 3288 tlp_winb_mii_statchg(struct device *self) 3289 { 3290 struct tulip_softc *sc = (struct tulip_softc *)self; 3291 3292 /* Idle the transmit and receive processes. */ 3293 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3294 3295 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3296 3297 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3298 sc->sc_opmode |= OPMODE_WINB_FES; 3299 3300 if (sc->sc_mii.mii_media_active & IFM_FDX) 3301 sc->sc_opmode |= OPMODE_FD; 3302 3303 /* 3304 * Write new OPMODE bits. This also restarts the transmit 3305 * and receive processes. 3306 */ 3307 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3308 } 3309 3310 /* 3311 * tlp_dm9102_mii_statchg: [mii interface function] 3312 * 3313 * Callback from PHY when media changes. This version is 3314 * for the DM9102. 3315 */ 3316 static void 3317 tlp_dm9102_mii_statchg(struct device *self) 3318 { 3319 struct tulip_softc *sc = (struct tulip_softc *)self; 3320 3321 /* 3322 * Don't idle the transmit and receive processes, here. It 3323 * seems to fail, and just causes excess noise. 3324 */ 3325 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3326 3327 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3328 sc->sc_opmode |= OPMODE_TTM; 3329 3330 if (sc->sc_mii.mii_media_active & IFM_FDX) 3331 sc->sc_opmode |= OPMODE_FD; 3332 3333 /* 3334 * Write new OPMODE bits. 3335 */ 3336 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3337 } 3338 3339 /* 3340 * tlp_mii_getmedia: 3341 * 3342 * Callback from ifmedia to request current media status. 3343 */ 3344 static void 3345 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3346 { 3347 3348 mii_pollstat(&sc->sc_mii); 3349 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3350 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3351 } 3352 3353 /* 3354 * tlp_mii_setmedia: 3355 * 3356 * Callback from ifmedia to request new media setting. 3357 */ 3358 static int 3359 tlp_mii_setmedia(struct tulip_softc *sc) 3360 { 3361 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3362 3363 if (ifp->if_flags & IFF_UP) { 3364 switch (sc->sc_chip) { 3365 case TULIP_CHIP_21142: 3366 case TULIP_CHIP_21143: 3367 /* Disable the internal Nway engine. */ 3368 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3369 break; 3370 3371 default: 3372 /* Nothing. */ 3373 break; 3374 } 3375 mii_mediachg(&sc->sc_mii); 3376 } 3377 return (0); 3378 } 3379 3380 /* 3381 * tlp_bitbang_mii_readreg: 3382 * 3383 * Read a PHY register via bit-bang'ing the MII. 3384 */ 3385 static int 3386 tlp_bitbang_mii_readreg(struct device *self, int phy, int reg) 3387 { 3388 struct tulip_softc *sc = (void *) self; 3389 3390 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3391 } 3392 3393 /* 3394 * tlp_bitbang_mii_writereg: 3395 * 3396 * Write a PHY register via bit-bang'ing the MII. 3397 */ 3398 static void 3399 tlp_bitbang_mii_writereg(struct device *self, int phy, int reg, int val) 3400 { 3401 struct tulip_softc *sc = (void *) self; 3402 3403 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3404 } 3405 3406 /* 3407 * tlp_sio_mii_bitbang_read: 3408 * 3409 * Read the MII serial port for the MII bit-bang module. 3410 */ 3411 static u_int32_t 3412 tlp_sio_mii_bitbang_read(struct device *self) 3413 { 3414 struct tulip_softc *sc = (void *) self; 3415 3416 return (TULIP_READ(sc, CSR_MIIROM)); 3417 } 3418 3419 /* 3420 * tlp_sio_mii_bitbang_write: 3421 * 3422 * Write the MII serial port for the MII bit-bang module. 3423 */ 3424 static void 3425 tlp_sio_mii_bitbang_write(struct device *self, u_int32_t val) 3426 { 3427 struct tulip_softc *sc = (void *) self; 3428 3429 TULIP_WRITE(sc, CSR_MIIROM, val); 3430 } 3431 3432 /* 3433 * tlp_pnic_mii_readreg: 3434 * 3435 * Read a PHY register on the Lite-On PNIC. 3436 */ 3437 static int 3438 tlp_pnic_mii_readreg(struct device *self, int phy, int reg) 3439 { 3440 struct tulip_softc *sc = (void *) self; 3441 u_int32_t val; 3442 int i; 3443 3444 TULIP_WRITE(sc, CSR_PNIC_MII, 3445 PNIC_MII_MBO | PNIC_MII_RESERVED | 3446 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3447 (reg << PNIC_MII_REGSHIFT)); 3448 3449 for (i = 0; i < 1000; i++) { 3450 delay(10); 3451 val = TULIP_READ(sc, CSR_PNIC_MII); 3452 if ((val & PNIC_MII_BUSY) == 0) { 3453 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3454 return (0); 3455 else 3456 return (val & PNIC_MII_DATA); 3457 } 3458 } 3459 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3460 return (0); 3461 } 3462 3463 /* 3464 * tlp_pnic_mii_writereg: 3465 * 3466 * Write a PHY register on the Lite-On PNIC. 3467 */ 3468 static void 3469 tlp_pnic_mii_writereg(struct device *self, int phy, int reg, int val) 3470 { 3471 struct tulip_softc *sc = (void *) self; 3472 int i; 3473 3474 TULIP_WRITE(sc, CSR_PNIC_MII, 3475 PNIC_MII_MBO | PNIC_MII_RESERVED | 3476 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3477 (reg << PNIC_MII_REGSHIFT) | val); 3478 3479 for (i = 0; i < 1000; i++) { 3480 delay(10); 3481 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3482 return; 3483 } 3484 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3485 } 3486 3487 static const bus_addr_t tlp_al981_phy_regmap[] = { 3488 CSR_ADM_BMCR, 3489 CSR_ADM_BMSR, 3490 CSR_ADM_PHYIDR1, 3491 CSR_ADM_PHYIDR2, 3492 CSR_ADM_ANAR, 3493 CSR_ADM_ANLPAR, 3494 CSR_ADM_ANER, 3495 3496 CSR_ADM_XMC, 3497 CSR_ADM_XCIIS, 3498 CSR_ADM_XIE, 3499 CSR_ADM_100CTR, 3500 }; 3501 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3502 sizeof(tlp_al981_phy_regmap[0]); 3503 3504 /* 3505 * tlp_al981_mii_readreg: 3506 * 3507 * Read a PHY register on the ADMtek AL981. 3508 */ 3509 static int 3510 tlp_al981_mii_readreg(struct device *self, int phy, int reg) 3511 { 3512 struct tulip_softc *sc = (struct tulip_softc *)self; 3513 3514 /* AL981 only has an internal PHY. */ 3515 if (phy != 0) 3516 return (0); 3517 3518 if (reg >= tlp_al981_phy_regmap_size) 3519 return (0); 3520 3521 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3522 tlp_al981_phy_regmap[reg]) & 0xffff); 3523 } 3524 3525 /* 3526 * tlp_al981_mii_writereg: 3527 * 3528 * Write a PHY register on the ADMtek AL981. 3529 */ 3530 static void 3531 tlp_al981_mii_writereg(struct device *self, int phy, int reg, int val) 3532 { 3533 struct tulip_softc *sc = (struct tulip_softc *)self; 3534 3535 /* AL981 only has an internal PHY. */ 3536 if (phy != 0) 3537 return; 3538 3539 if (reg >= tlp_al981_phy_regmap_size) 3540 return; 3541 3542 bus_space_write_4(sc->sc_st, sc->sc_sh, 3543 tlp_al981_phy_regmap[reg], val); 3544 } 3545 3546 /***************************************************************************** 3547 * Chip-specific pre-init and reset functions. 3548 *****************************************************************************/ 3549 3550 /* 3551 * tlp_2114x_preinit: 3552 * 3553 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3554 */ 3555 static void 3556 tlp_2114x_preinit(struct tulip_softc *sc) 3557 { 3558 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3559 struct tulip_21x4x_media *tm = ife->ifm_aux; 3560 3561 /* 3562 * Whether or not we're in MII or SIA/SYM mode, the media info 3563 * contains the appropriate OPMODE bits. 3564 * 3565 * Also, we always set the Must-Be-One bit. 3566 */ 3567 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3568 3569 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3570 } 3571 3572 /* 3573 * tlp_2114x_mii_preinit: 3574 * 3575 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3576 * This version is used by boards which only have MII and don't have 3577 * an ISV SROM. 3578 */ 3579 static void 3580 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3581 { 3582 3583 /* 3584 * Always set the Must-Be-One bit, and Port Select (to select MII). 3585 * We'll never be called during a media change. 3586 */ 3587 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3588 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3589 } 3590 3591 /* 3592 * tlp_pnic_preinit: 3593 * 3594 * Pre-init function for the Lite-On 82c168 and 82c169. 3595 */ 3596 static void 3597 tlp_pnic_preinit(struct tulip_softc *sc) 3598 { 3599 3600 if (sc->sc_flags & TULIPF_HAS_MII) { 3601 /* 3602 * MII case: just set the port-select bit; we will never 3603 * be called during a media change. 3604 */ 3605 sc->sc_opmode |= OPMODE_PS; 3606 } else { 3607 /* 3608 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3609 */ 3610 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3611 } 3612 } 3613 3614 /* 3615 * tlp_asix_preinit: 3616 * 3617 * Pre-init function for the ASIX chipsets. 3618 */ 3619 static void 3620 tlp_asix_preinit(struct tulip_softc *sc) 3621 { 3622 3623 switch (sc->sc_chip) { 3624 case TULIP_CHIP_AX88140: 3625 case TULIP_CHIP_AX88141: 3626 /* XXX Handle PHY. */ 3627 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3628 break; 3629 default: 3630 /* Nothing */ 3631 break; 3632 } 3633 3634 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3635 } 3636 3637 /* 3638 * tlp_dm9102_preinit: 3639 * 3640 * Pre-init function for the Davicom DM9102. 3641 */ 3642 static void 3643 tlp_dm9102_preinit(struct tulip_softc *sc) 3644 { 3645 3646 switch (sc->sc_chip) { 3647 case TULIP_CHIP_DM9102: 3648 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3649 break; 3650 3651 case TULIP_CHIP_DM9102A: 3652 /* 3653 * XXX Figure out how to actually deal with the HomePNA 3654 * XXX portion of the DM9102A. 3655 */ 3656 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3657 break; 3658 3659 default: 3660 /* Nothing. */ 3661 break; 3662 } 3663 3664 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3665 } 3666 3667 /* 3668 * tlp_21140_reset: 3669 * 3670 * Issue a reset sequence on the 21140 via the GPIO facility. 3671 */ 3672 static void 3673 tlp_21140_reset(struct tulip_softc *sc) 3674 { 3675 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3676 struct tulip_21x4x_media *tm = ife->ifm_aux; 3677 int i; 3678 3679 /* First, set the direction on the GPIO pins. */ 3680 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3681 3682 /* Now, issue the reset sequence. */ 3683 for (i = 0; i < tm->tm_reset_length; i++) { 3684 delay(10); 3685 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3686 } 3687 3688 /* Now, issue the selection sequence. */ 3689 for (i = 0; i < tm->tm_gp_length; i++) { 3690 delay(10); 3691 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3692 } 3693 3694 /* If there were no sequences, just lower the pins. */ 3695 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3696 delay(10); 3697 TULIP_WRITE(sc, CSR_GPP, 0); 3698 } 3699 } 3700 3701 /* 3702 * tlp_21142_reset: 3703 * 3704 * Issue a reset sequence on the 21142 via the GPIO facility. 3705 */ 3706 static void 3707 tlp_21142_reset(struct tulip_softc *sc) 3708 { 3709 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3710 struct tulip_21x4x_media *tm = ife->ifm_aux; 3711 const u_int8_t *cp; 3712 int i; 3713 3714 cp = &sc->sc_srom[tm->tm_reset_offset]; 3715 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3716 delay(10); 3717 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3718 } 3719 3720 cp = &sc->sc_srom[tm->tm_gp_offset]; 3721 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3722 delay(10); 3723 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3724 } 3725 3726 /* If there were no sequences, just lower the pins. */ 3727 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3728 delay(10); 3729 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3730 } 3731 } 3732 3733 /* 3734 * tlp_pmac_reset: 3735 * 3736 * Reset routine for Macronix chips. 3737 */ 3738 static void 3739 tlp_pmac_reset(struct tulip_softc *sc) 3740 { 3741 3742 switch (sc->sc_chip) { 3743 case TULIP_CHIP_82C115: 3744 case TULIP_CHIP_MX98715: 3745 case TULIP_CHIP_MX98715A: 3746 case TULIP_CHIP_MX98725: 3747 /* 3748 * Set the LED operating mode. This information is located 3749 * in the EEPROM at byte offset 0x77, per the MX98715A and 3750 * MX98725 application notes. 3751 */ 3752 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3753 break; 3754 case TULIP_CHIP_MX98715AEC_X: 3755 /* 3756 * Set the LED operating mode. This information is located 3757 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3758 * application note. 3759 */ 3760 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3761 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3762 break; 3763 3764 default: 3765 /* Nothing. */ 3766 break; 3767 } 3768 } 3769 3770 #if 0 3771 /* 3772 * tlp_dm9102_reset: 3773 * 3774 * Reset routine for the Davicom DM9102. 3775 */ 3776 static void 3777 tlp_dm9102_reset(struct tulip_softc *sc) 3778 { 3779 3780 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3781 delay(100); 3782 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3783 } 3784 #endif 3785 3786 /***************************************************************************** 3787 * Chip/board-specific media switches. The ones here are ones that 3788 * are potentially common to multiple front-ends. 3789 *****************************************************************************/ 3790 3791 /* 3792 * This table is a common place for all sorts of media information, 3793 * keyed off of the SROM media code for that media. 3794 * 3795 * Note that we explicitly configure the 21142/21143 to always advertise 3796 * NWay capabilities when using the UTP port. 3797 * XXX Actually, we don't yet. 3798 */ 3799 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3800 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3801 "10baseT", 3802 OPMODE_TTM, 3803 BMSR_10THDX, 3804 { SIACONN_21040_10BASET, 3805 SIATXRX_21040_10BASET, 3806 SIAGEN_21040_10BASET }, 3807 3808 { SIACONN_21041_10BASET, 3809 SIATXRX_21041_10BASET, 3810 SIAGEN_21041_10BASET }, 3811 3812 { SIACONN_21142_10BASET, 3813 SIATXRX_21142_10BASET, 3814 SIAGEN_21142_10BASET } }, 3815 3816 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3817 "10base2", 3818 0, 3819 0, 3820 { 0, 3821 0, 3822 0 }, 3823 3824 { SIACONN_21041_BNC, 3825 SIATXRX_21041_BNC, 3826 SIAGEN_21041_BNC }, 3827 3828 { SIACONN_21142_BNC, 3829 SIATXRX_21142_BNC, 3830 SIAGEN_21142_BNC } }, 3831 3832 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3833 "10base5", 3834 0, 3835 0, 3836 { SIACONN_21040_AUI, 3837 SIATXRX_21040_AUI, 3838 SIAGEN_21040_AUI }, 3839 3840 { SIACONN_21041_AUI, 3841 SIATXRX_21041_AUI, 3842 SIAGEN_21041_AUI }, 3843 3844 { SIACONN_21142_AUI, 3845 SIATXRX_21142_AUI, 3846 SIAGEN_21142_AUI } }, 3847 3848 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3849 "100baseTX", 3850 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3851 BMSR_100TXHDX, 3852 { 0, 3853 0, 3854 0 }, 3855 3856 { 0, 3857 0, 3858 0 }, 3859 3860 { 0, 3861 0, 3862 SIAGEN_ABM } }, 3863 3864 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3865 "10baseT-FDX", 3866 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3867 BMSR_10TFDX, 3868 { SIACONN_21040_10BASET_FDX, 3869 SIATXRX_21040_10BASET_FDX, 3870 SIAGEN_21040_10BASET_FDX }, 3871 3872 { SIACONN_21041_10BASET_FDX, 3873 SIATXRX_21041_10BASET_FDX, 3874 SIAGEN_21041_10BASET_FDX }, 3875 3876 { SIACONN_21142_10BASET_FDX, 3877 SIATXRX_21142_10BASET_FDX, 3878 SIAGEN_21142_10BASET_FDX } }, 3879 3880 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3881 "100baseTX-FDX", 3882 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3883 BMSR_100TXFDX, 3884 { 0, 3885 0, 3886 0 }, 3887 3888 { 0, 3889 0, 3890 0 }, 3891 3892 { 0, 3893 0, 3894 SIAGEN_ABM } }, 3895 3896 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3897 "100baseT4", 3898 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3899 BMSR_100T4, 3900 { 0, 3901 0, 3902 0 }, 3903 3904 { 0, 3905 0, 3906 0 }, 3907 3908 { 0, 3909 0, 3910 SIAGEN_ABM } }, 3911 3912 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3913 "100baseFX", 3914 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3915 0, 3916 { 0, 3917 0, 3918 0 }, 3919 3920 { 0, 3921 0, 3922 0 }, 3923 3924 { 0, 3925 0, 3926 SIAGEN_ABM } }, 3927 3928 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3929 "100baseFX-FDX", 3930 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3931 0, 3932 { 0, 3933 0, 3934 0 }, 3935 3936 { 0, 3937 0, 3938 0 }, 3939 3940 { 0, 3941 0, 3942 SIAGEN_ABM } }, 3943 3944 { 0, 0, 0, 3945 NULL, 3946 0, 3947 0, 3948 { 0, 3949 0, 3950 0 }, 3951 3952 { 0, 3953 0, 3954 0 }, 3955 3956 { 0, 3957 0, 3958 0 } }, 3959 }; 3960 3961 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(u_int8_t); 3962 static void tlp_srom_media_info(struct tulip_softc *, 3963 const struct tulip_srom_to_ifmedia *, 3964 struct tulip_21x4x_media *); 3965 static void tlp_add_srom_media(struct tulip_softc *, int, 3966 void (*)(struct tulip_softc *, struct ifmediareq *), 3967 int (*)(struct tulip_softc *), const u_int8_t *, int); 3968 static void tlp_print_media(struct tulip_softc *); 3969 static void tlp_nway_activate(struct tulip_softc *, int); 3970 static void tlp_get_minst(struct tulip_softc *); 3971 3972 static const struct tulip_srom_to_ifmedia * 3973 tlp_srom_to_ifmedia(u_int8_t sm) 3974 { 3975 const struct tulip_srom_to_ifmedia *tsti; 3976 3977 for (tsti = tulip_srom_to_ifmedia_table; 3978 tsti->tsti_name != NULL; tsti++) { 3979 if (tsti->tsti_srom == sm) 3980 return (tsti); 3981 } 3982 3983 return (NULL); 3984 } 3985 3986 static void 3987 tlp_srom_media_info(struct tulip_softc *sc, 3988 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 3989 { 3990 3991 tm->tm_name = tsti->tsti_name; 3992 tm->tm_opmode = tsti->tsti_opmode; 3993 3994 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3995 3996 switch (sc->sc_chip) { 3997 case TULIP_CHIP_DE425: 3998 case TULIP_CHIP_21040: 3999 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 4000 break; 4001 4002 case TULIP_CHIP_21041: 4003 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 4004 break; 4005 4006 case TULIP_CHIP_21142: 4007 case TULIP_CHIP_21143: 4008 case TULIP_CHIP_82C115: 4009 case TULIP_CHIP_MX98715: 4010 case TULIP_CHIP_MX98715A: 4011 case TULIP_CHIP_MX98715AEC_X: 4012 case TULIP_CHIP_MX98725: 4013 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 4014 break; 4015 4016 default: 4017 /* Nothing. */ 4018 break; 4019 } 4020 } 4021 4022 static void 4023 tlp_add_srom_media(struct tulip_softc *sc, int type, 4024 void (*get)(struct tulip_softc *, struct ifmediareq *), 4025 int (*set)(struct tulip_softc *), const u_int8_t *list, 4026 int cnt) 4027 { 4028 struct tulip_21x4x_media *tm; 4029 const struct tulip_srom_to_ifmedia *tsti; 4030 int i; 4031 4032 for (i = 0; i < cnt; i++) { 4033 tsti = tlp_srom_to_ifmedia(list[i]); 4034 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4035 tlp_srom_media_info(sc, tsti, tm); 4036 tm->tm_type = type; 4037 tm->tm_get = get; 4038 tm->tm_set = set; 4039 4040 ifmedia_add(&sc->sc_mii.mii_media, 4041 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4042 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4043 } 4044 } 4045 4046 static void 4047 tlp_print_media(struct tulip_softc *sc) 4048 { 4049 struct ifmedia_entry *ife; 4050 struct tulip_21x4x_media *tm; 4051 const char *sep = ""; 4052 4053 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 4054 4055 printf("%s: ", sc->sc_dev.dv_xname); 4056 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4057 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4058 tm = ife->ifm_aux; 4059 if (tm == NULL) { 4060 #ifdef DIAGNOSTIC 4061 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4062 panic("tlp_print_media"); 4063 #endif 4064 PRINT("auto"); 4065 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4066 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4067 PRINT(tm->tm_name); 4068 } 4069 } 4070 printf("\n"); 4071 4072 #undef PRINT 4073 } 4074 4075 static void 4076 tlp_nway_activate(struct tulip_softc *sc, int media) 4077 { 4078 struct ifmedia_entry *ife; 4079 4080 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4081 #ifdef DIAGNOSTIC 4082 if (ife == NULL) 4083 panic("tlp_nway_activate"); 4084 #endif 4085 sc->sc_nway_active = ife; 4086 } 4087 4088 static void 4089 tlp_get_minst(struct tulip_softc *sc) 4090 { 4091 4092 if ((sc->sc_media_seen & 4093 ~((1 << TULIP_ROM_MB_21140_MII) | 4094 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4095 /* 4096 * We have not yet seen any SIA/SYM media (but are 4097 * about to; that's why we're called!), so assign 4098 * the current media instance to be the `internal media' 4099 * instance, and advance it so any MII media gets a 4100 * fresh one (used to selecting/isolating a PHY). 4101 */ 4102 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4103 } 4104 } 4105 4106 /* 4107 * SIA Utility functions. 4108 */ 4109 static void tlp_sia_update_link(struct tulip_softc *); 4110 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4111 static int tlp_sia_set(struct tulip_softc *); 4112 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4113 static void tlp_sia_fixup(struct tulip_softc *); 4114 4115 static void 4116 tlp_sia_update_link(struct tulip_softc *sc) 4117 { 4118 struct ifmedia_entry *ife; 4119 struct tulip_21x4x_media *tm; 4120 u_int32_t siastat; 4121 4122 ife = TULIP_CURRENT_MEDIA(sc); 4123 tm = ife->ifm_aux; 4124 4125 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4126 4127 siastat = TULIP_READ(sc, CSR_SIASTAT); 4128 4129 /* 4130 * Note that when we do SIA link tests, we are assuming that 4131 * the chip is really in the mode that the current media setting 4132 * reflects. If we're not, then the link tests will not be 4133 * accurate! 4134 */ 4135 switch (IFM_SUBTYPE(ife->ifm_media)) { 4136 case IFM_10_T: 4137 sc->sc_flags |= TULIPF_LINK_VALID; 4138 if ((siastat & SIASTAT_LS10) == 0) 4139 sc->sc_flags |= TULIPF_LINK_UP; 4140 break; 4141 4142 case IFM_100_TX: 4143 case IFM_100_T4: 4144 sc->sc_flags |= TULIPF_LINK_VALID; 4145 if ((siastat & SIASTAT_LS100) == 0) 4146 sc->sc_flags |= TULIPF_LINK_UP; 4147 break; 4148 } 4149 4150 switch (sc->sc_chip) { 4151 case TULIP_CHIP_21142: 4152 case TULIP_CHIP_21143: 4153 /* 4154 * On these chips, we can tell more information about 4155 * AUI/BNC. Note that the AUI/BNC selection is made 4156 * in a different register; for our purpose, it's all 4157 * AUI. 4158 */ 4159 switch (IFM_SUBTYPE(ife->ifm_media)) { 4160 case IFM_10_2: 4161 case IFM_10_5: 4162 sc->sc_flags |= TULIPF_LINK_VALID; 4163 if (siastat & SIASTAT_ARA) { 4164 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4165 sc->sc_flags |= TULIPF_LINK_UP; 4166 } 4167 break; 4168 4169 default: 4170 /* 4171 * If we're SYM media and can detect the link 4172 * via the GPIO facility, prefer that status 4173 * over LS100. 4174 */ 4175 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4176 tm->tm_actmask != 0) { 4177 sc->sc_flags = (sc->sc_flags & 4178 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4179 if (TULIP_ISSET(sc, CSR_SIAGEN, 4180 tm->tm_actmask) == tm->tm_actdata) 4181 sc->sc_flags |= TULIPF_LINK_UP; 4182 } 4183 } 4184 break; 4185 4186 default: 4187 /* Nothing. */ 4188 break; 4189 } 4190 } 4191 4192 static void 4193 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4194 { 4195 struct ifmedia_entry *ife; 4196 4197 ifmr->ifm_status = 0; 4198 4199 tlp_sia_update_link(sc); 4200 4201 ife = TULIP_CURRENT_MEDIA(sc); 4202 4203 if (sc->sc_flags & TULIPF_LINK_VALID) 4204 ifmr->ifm_status |= IFM_AVALID; 4205 if (sc->sc_flags & TULIPF_LINK_UP) 4206 ifmr->ifm_status |= IFM_ACTIVE; 4207 ifmr->ifm_active = ife->ifm_media; 4208 } 4209 4210 static void 4211 tlp_sia_fixup(struct tulip_softc *sc) 4212 { 4213 struct ifmedia_entry *ife; 4214 struct tulip_21x4x_media *tm; 4215 u_int32_t siaconn, siatxrx, siagen; 4216 4217 switch (sc->sc_chip) { 4218 case TULIP_CHIP_82C115: 4219 case TULIP_CHIP_MX98713A: 4220 case TULIP_CHIP_MX98715: 4221 case TULIP_CHIP_MX98715A: 4222 case TULIP_CHIP_MX98715AEC_X: 4223 case TULIP_CHIP_MX98725: 4224 siaconn = PMAC_SIACONN_MASK; 4225 siatxrx = PMAC_SIATXRX_MASK; 4226 siagen = PMAC_SIAGEN_MASK; 4227 break; 4228 4229 default: 4230 /* No fixups required on any other chips. */ 4231 return; 4232 } 4233 4234 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4235 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4236 tm = ife->ifm_aux; 4237 if (tm == NULL) 4238 continue; 4239 4240 tm->tm_siaconn &= siaconn; 4241 tm->tm_siatxrx &= siatxrx; 4242 tm->tm_siagen &= siagen; 4243 } 4244 } 4245 4246 static int 4247 tlp_sia_set(struct tulip_softc *sc) 4248 { 4249 4250 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4251 } 4252 4253 static int 4254 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4255 { 4256 struct tulip_21x4x_media *tm; 4257 4258 tm = ife->ifm_aux; 4259 4260 /* 4261 * XXX This appears to be necessary on a bunch of the clone chips. 4262 */ 4263 delay(20000); 4264 4265 /* 4266 * Idle the chip. 4267 */ 4268 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4269 4270 /* 4271 * Program the SIA. It's important to write in this order, 4272 * resetting the SIA first. 4273 */ 4274 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4275 delay(1000); 4276 4277 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4278 4279 switch (sc->sc_chip) { 4280 case TULIP_CHIP_21142: 4281 case TULIP_CHIP_21143: 4282 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4283 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4284 break; 4285 default: 4286 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4287 } 4288 4289 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4290 4291 /* 4292 * Set the OPMODE bits for this media and write OPMODE. 4293 * This will resume the transmit and receive processes. 4294 */ 4295 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4296 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4297 4298 return (0); 4299 } 4300 4301 /* 4302 * 21140 GPIO utility functions. 4303 */ 4304 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4305 4306 static void 4307 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4308 { 4309 struct ifmedia_entry *ife; 4310 struct tulip_21x4x_media *tm; 4311 4312 ife = TULIP_CURRENT_MEDIA(sc); 4313 tm = ife->ifm_aux; 4314 4315 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4316 4317 if (tm->tm_actmask != 0) { 4318 sc->sc_flags |= TULIPF_LINK_VALID; 4319 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4320 tm->tm_actdata) 4321 sc->sc_flags |= TULIPF_LINK_UP; 4322 } 4323 } 4324 4325 void 4326 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4327 { 4328 struct ifmedia_entry *ife; 4329 4330 ifmr->ifm_status = 0; 4331 4332 tlp_21140_gpio_update_link(sc); 4333 4334 ife = TULIP_CURRENT_MEDIA(sc); 4335 4336 if (sc->sc_flags & TULIPF_LINK_VALID) 4337 ifmr->ifm_status |= IFM_AVALID; 4338 if (sc->sc_flags & TULIPF_LINK_UP) 4339 ifmr->ifm_status |= IFM_ACTIVE; 4340 ifmr->ifm_active = ife->ifm_media; 4341 } 4342 4343 int 4344 tlp_21140_gpio_set(struct tulip_softc *sc) 4345 { 4346 struct ifmedia_entry *ife; 4347 struct tulip_21x4x_media *tm; 4348 4349 ife = TULIP_CURRENT_MEDIA(sc); 4350 tm = ife->ifm_aux; 4351 4352 /* 4353 * Idle the chip. 4354 */ 4355 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4356 4357 /* 4358 * Set the GPIO pins for this media, to flip any 4359 * relays, etc. 4360 */ 4361 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4362 delay(10); 4363 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4364 4365 /* 4366 * Set the OPMODE bits for this media and write OPMODE. 4367 * This will resume the transmit and receive processes. 4368 */ 4369 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4370 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4371 4372 return (0); 4373 } 4374 4375 /* 4376 * 21040 and 21041 media switches. 4377 */ 4378 static void tlp_21040_tmsw_init(struct tulip_softc *); 4379 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4380 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4381 static void tlp_21041_tmsw_init(struct tulip_softc *); 4382 4383 const struct tulip_mediasw tlp_21040_mediasw = { 4384 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4385 }; 4386 4387 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4388 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4389 }; 4390 4391 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4392 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4393 }; 4394 4395 const struct tulip_mediasw tlp_21041_mediasw = { 4396 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4397 }; 4398 4399 static void 4400 tlp_21040_tmsw_init(struct tulip_softc *sc) 4401 { 4402 static const u_int8_t media[] = { 4403 TULIP_ROM_MB_MEDIA_TP, 4404 TULIP_ROM_MB_MEDIA_TP_FDX, 4405 TULIP_ROM_MB_MEDIA_AUI, 4406 }; 4407 struct tulip_21x4x_media *tm; 4408 4409 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4410 tlp_mediastatus); 4411 4412 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4413 4414 /* 4415 * No SROM type for External SIA. 4416 */ 4417 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4418 tm->tm_name = "manual"; 4419 tm->tm_opmode = 0; 4420 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4421 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4422 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4423 ifmedia_add(&sc->sc_mii.mii_media, 4424 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4425 4426 /* 4427 * XXX Autosense not yet supported. 4428 */ 4429 4430 /* XXX This should be auto-sense. */ 4431 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4432 4433 tlp_print_media(sc); 4434 } 4435 4436 static void 4437 tlp_21040_tp_tmsw_init(struct tulip_softc *sc) 4438 { 4439 static const u_int8_t media[] = { 4440 TULIP_ROM_MB_MEDIA_TP, 4441 TULIP_ROM_MB_MEDIA_TP_FDX, 4442 }; 4443 4444 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4445 tlp_mediastatus); 4446 4447 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4448 4449 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4450 4451 tlp_print_media(sc); 4452 } 4453 4454 static void 4455 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4456 { 4457 static const u_int8_t media[] = { 4458 TULIP_ROM_MB_MEDIA_AUI, 4459 }; 4460 4461 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4462 tlp_mediastatus); 4463 4464 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4465 4466 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4467 4468 tlp_print_media(sc); 4469 } 4470 4471 static void 4472 tlp_21041_tmsw_init(struct tulip_softc *sc) 4473 { 4474 static const u_int8_t media[] = { 4475 TULIP_ROM_MB_MEDIA_TP, 4476 TULIP_ROM_MB_MEDIA_TP_FDX, 4477 TULIP_ROM_MB_MEDIA_BNC, 4478 TULIP_ROM_MB_MEDIA_AUI, 4479 }; 4480 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4481 const struct tulip_srom_to_ifmedia *tsti; 4482 struct tulip_21x4x_media *tm; 4483 u_int16_t romdef; 4484 u_int8_t mb; 4485 4486 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4487 tlp_mediastatus); 4488 4489 if (tlp_isv_srom(sc->sc_srom) == 0) { 4490 not_isv_srom: 4491 /* 4492 * If we have a board without the standard 21041 SROM format, 4493 * we just assume all media are present and try and pick a 4494 * reasonable default. 4495 */ 4496 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4497 4498 /* 4499 * XXX Autosense not yet supported. 4500 */ 4501 4502 /* XXX This should be auto-sense. */ 4503 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4504 4505 tlp_print_media(sc); 4506 return; 4507 } 4508 4509 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4510 for (i = 0; i < devcnt; i++) { 4511 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4512 break; 4513 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4514 sc->sc_devno) 4515 break; 4516 } 4517 4518 if (i == devcnt) 4519 goto not_isv_srom; 4520 4521 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4522 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4523 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4524 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4525 4526 for (; m_cnt != 0; 4527 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4528 mb = sc->sc_srom[mb_offset]; 4529 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4530 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4531 case TULIP_ROM_MB_MEDIA_TP_FDX: 4532 case TULIP_ROM_MB_MEDIA_TP: 4533 case TULIP_ROM_MB_MEDIA_BNC: 4534 case TULIP_ROM_MB_MEDIA_AUI: 4535 tsti = tlp_srom_to_ifmedia(mb & 4536 TULIP_ROM_MB_MEDIA_CODE); 4537 4538 tlp_srom_media_info(sc, tsti, tm); 4539 4540 /* 4541 * Override our default SIA settings if the 4542 * SROM contains its own. 4543 */ 4544 if (mb & TULIP_ROM_MB_EXT) { 4545 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4546 mb_offset + TULIP_ROM_MB_CSR13); 4547 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4548 mb_offset + TULIP_ROM_MB_CSR14); 4549 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4550 mb_offset + TULIP_ROM_MB_CSR15); 4551 } 4552 4553 ifmedia_add(&sc->sc_mii.mii_media, 4554 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4555 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4556 break; 4557 4558 default: 4559 printf("%s: unknown media code 0x%02x\n", 4560 sc->sc_dev.dv_xname, 4561 mb & TULIP_ROM_MB_MEDIA_CODE); 4562 free(tm, M_DEVBUF); 4563 } 4564 } 4565 4566 /* 4567 * XXX Autosense not yet supported. 4568 */ 4569 4570 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4571 TULIP_ROM_IL_SELECT_CONN_TYPE); 4572 switch (romdef) { 4573 case SELECT_CONN_TYPE_TP: 4574 case SELECT_CONN_TYPE_TP_AUTONEG: 4575 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4576 defmedia = IFM_ETHER|IFM_10_T; 4577 break; 4578 4579 case SELECT_CONN_TYPE_TP_FDX: 4580 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4581 break; 4582 4583 case SELECT_CONN_TYPE_BNC: 4584 defmedia = IFM_ETHER|IFM_10_2; 4585 break; 4586 4587 case SELECT_CONN_TYPE_AUI: 4588 defmedia = IFM_ETHER|IFM_10_5; 4589 break; 4590 #if 0 /* XXX */ 4591 case SELECT_CONN_TYPE_ASENSE: 4592 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4593 defmedia = IFM_ETHER|IFM_AUTO; 4594 break; 4595 #endif 4596 default: 4597 defmedia = 0; 4598 } 4599 4600 if (defmedia == 0) { 4601 /* 4602 * XXX We should default to auto-sense. 4603 */ 4604 defmedia = IFM_ETHER|IFM_10_T; 4605 } 4606 4607 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4608 4609 tlp_print_media(sc); 4610 } 4611 4612 /* 4613 * DECchip 2114x ISV media switch. 4614 */ 4615 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4616 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4617 struct ifmediareq *); 4618 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4619 4620 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4621 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4622 }; 4623 4624 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4625 static int tlp_2114x_nway_set(struct tulip_softc *); 4626 4627 static void tlp_2114x_nway_statchg(struct device *); 4628 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4629 static void tlp_2114x_nway_auto(struct tulip_softc *); 4630 static void tlp_2114x_nway_status(struct tulip_softc *); 4631 4632 static void 4633 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4634 { 4635 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4636 struct ifmedia_entry *ife; 4637 struct mii_softc *phy; 4638 struct tulip_21x4x_media *tm; 4639 const struct tulip_srom_to_ifmedia *tsti; 4640 int i, devcnt, leaf_offset, m_cnt, type, length; 4641 int defmedia, miidef; 4642 u_int16_t word; 4643 u_int8_t *cp, *ncp; 4644 4645 defmedia = miidef = 0; 4646 4647 sc->sc_mii.mii_ifp = ifp; 4648 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4649 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4650 sc->sc_mii.mii_statchg = sc->sc_statchg; 4651 4652 /* 4653 * Ignore `instance'; we may get a mixture of SIA and MII 4654 * media, and `instance' is used to isolate or select the 4655 * PHY on the MII as appropriate. Note that duplicate media 4656 * are disallowed, so ignoring `instance' is safe. 4657 */ 4658 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4659 tlp_mediastatus); 4660 4661 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4662 for (i = 0; i < devcnt; i++) { 4663 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4664 break; 4665 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4666 sc->sc_devno) 4667 break; 4668 } 4669 4670 if (i == devcnt) { 4671 printf("%s: unable to locate info leaf in SROM\n", 4672 sc->sc_dev.dv_xname); 4673 return; 4674 } 4675 4676 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4677 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4678 4679 /* XXX SELECT CONN TYPE */ 4680 4681 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4682 4683 /* 4684 * On some chips, the first thing in the Info Leaf is the 4685 * GPIO pin direction data. 4686 */ 4687 switch (sc->sc_chip) { 4688 case TULIP_CHIP_21140: 4689 case TULIP_CHIP_21140A: 4690 case TULIP_CHIP_MX98713: 4691 case TULIP_CHIP_AX88140: 4692 case TULIP_CHIP_AX88141: 4693 sc->sc_gp_dir = *cp++; 4694 break; 4695 4696 default: 4697 /* Nothing. */ 4698 break; 4699 } 4700 4701 /* Get the media count. */ 4702 m_cnt = *cp++; 4703 4704 if (m_cnt == 0) { 4705 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4706 (*sc->sc_mediasw->tmsw_init)(sc); 4707 return; 4708 } 4709 4710 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4711 /* 4712 * Determine the type and length of this media block. 4713 * The 21143 is spec'd to always use extended format blocks, 4714 * but some cards don't set the bit to indicate this. 4715 * Hopefully there are no cards which really don't use 4716 * extended format blocks. 4717 */ 4718 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4719 length = 4; 4720 type = TULIP_ROM_MB_21140_GPR; 4721 } else { 4722 length = (*cp++ & 0x7f) - 1; 4723 type = *cp++ & 0x3f; 4724 } 4725 4726 /* Compute the start of the next block. */ 4727 ncp = cp + length; 4728 4729 /* Now, parse the block. */ 4730 switch (type) { 4731 case TULIP_ROM_MB_21140_GPR: 4732 tlp_get_minst(sc); 4733 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4734 4735 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4736 4737 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4738 tm->tm_get = tlp_21140_gpio_get; 4739 tm->tm_set = tlp_21140_gpio_set; 4740 4741 /* First is the media type code. */ 4742 tsti = tlp_srom_to_ifmedia(cp[0] & 4743 TULIP_ROM_MB_MEDIA_CODE); 4744 if (tsti == NULL) { 4745 /* Invalid media code. */ 4746 free(tm, M_DEVBUF); 4747 break; 4748 } 4749 4750 /* Get defaults. */ 4751 tlp_srom_media_info(sc, tsti, tm); 4752 4753 /* Next is any GPIO info for this media. */ 4754 tm->tm_gpdata = cp[1]; 4755 4756 /* 4757 * Next is a word containing OPMODE information 4758 * and info on how to detect if this media is 4759 * active. 4760 */ 4761 word = TULIP_ROM_GETW(cp, 2); 4762 tm->tm_opmode &= OPMODE_FD; 4763 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4764 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4765 tm->tm_actmask = 4766 TULIP_ROM_MB_BITPOS(word); 4767 tm->tm_actdata = 4768 (word & TULIP_ROM_MB_POLARITY) ? 4769 0 : tm->tm_actmask; 4770 } 4771 4772 ifmedia_add(&sc->sc_mii.mii_media, 4773 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4774 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4775 break; 4776 4777 case TULIP_ROM_MB_21140_MII: 4778 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4779 4780 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4781 4782 tm->tm_type = TULIP_ROM_MB_21140_MII; 4783 tm->tm_get = tlp_mii_getmedia; 4784 tm->tm_set = tlp_mii_setmedia; 4785 tm->tm_opmode = OPMODE_PS; 4786 4787 if (sc->sc_reset == NULL) 4788 sc->sc_reset = tlp_21140_reset; 4789 4790 /* First is the PHY number. */ 4791 tm->tm_phyno = *cp++; 4792 4793 /* Next is the MII select sequence length and offset. */ 4794 tm->tm_gp_length = *cp++; 4795 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4796 cp += tm->tm_gp_length; 4797 4798 /* Next is the MII reset sequence length and offset. */ 4799 tm->tm_reset_length = *cp++; 4800 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4801 cp += tm->tm_reset_length; 4802 4803 /* 4804 * The following items are left in the media block 4805 * that we don't particularly care about: 4806 * 4807 * capabilities W 4808 * advertisement W 4809 * full duplex W 4810 * tx threshold W 4811 * 4812 * These appear to be bits in the PHY registers, 4813 * which our MII code handles on its own. 4814 */ 4815 4816 /* 4817 * Before we probe the MII bus, we need to reset 4818 * it and issue the selection sequence. 4819 */ 4820 4821 /* Set the direction of the pins... */ 4822 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4823 4824 for (i = 0; i < tm->tm_reset_length; i++) { 4825 delay(10); 4826 TULIP_WRITE(sc, CSR_GPP, 4827 sc->sc_srom[tm->tm_reset_offset + i]); 4828 } 4829 4830 for (i = 0; i < tm->tm_gp_length; i++) { 4831 delay(10); 4832 TULIP_WRITE(sc, CSR_GPP, 4833 sc->sc_srom[tm->tm_gp_offset + i]); 4834 } 4835 4836 /* If there were no sequences, just lower the pins. */ 4837 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4838 delay(10); 4839 TULIP_WRITE(sc, CSR_GPP, 0); 4840 } 4841 4842 /* 4843 * Now, probe the MII for the PHY. Note, we know 4844 * the location of the PHY on the bus, but we don't 4845 * particularly care; the MII code just likes to 4846 * search the whole thing anyhow. 4847 */ 4848 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4849 MII_PHY_ANY, tm->tm_phyno, 0); 4850 4851 /* 4852 * Now, search for the PHY we hopefully just 4853 * configured. If it's not configured into the 4854 * kernel, we lose. The PHY's default media always 4855 * takes priority. 4856 */ 4857 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4858 phy != NULL; 4859 phy = LIST_NEXT(phy, mii_list)) 4860 if (phy->mii_offset == tm->tm_phyno) 4861 break; 4862 if (phy == NULL) { 4863 printf("%s: unable to configure MII\n", 4864 sc->sc_dev.dv_xname); 4865 break; 4866 } 4867 4868 sc->sc_flags |= TULIPF_HAS_MII; 4869 sc->sc_tick = tlp_mii_tick; 4870 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4871 phy->mii_inst); 4872 4873 /* 4874 * Okay, now that we've found the PHY and the MII 4875 * layer has added all of the media associated 4876 * with that PHY, we need to traverse the media 4877 * list, and add our `tm' to each entry's `aux' 4878 * pointer. 4879 * 4880 * We do this by looking for media with our 4881 * PHY's `instance'. 4882 */ 4883 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4884 ife != NULL; 4885 ife = TAILQ_NEXT(ife, ifm_list)) { 4886 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4887 continue; 4888 ife->ifm_aux = tm; 4889 } 4890 break; 4891 4892 case TULIP_ROM_MB_21142_SIA: 4893 tlp_get_minst(sc); 4894 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4895 4896 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4897 4898 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4899 tm->tm_get = tlp_sia_get; 4900 tm->tm_set = tlp_sia_set; 4901 4902 /* First is the media type code. */ 4903 tsti = tlp_srom_to_ifmedia(cp[0] & 4904 TULIP_ROM_MB_MEDIA_CODE); 4905 if (tsti == NULL) { 4906 /* Invalid media code. */ 4907 free(tm, M_DEVBUF); 4908 break; 4909 } 4910 4911 /* Get defaults. */ 4912 tlp_srom_media_info(sc, tsti, tm); 4913 4914 /* 4915 * Override our default SIA settings if the 4916 * SROM contains its own. 4917 */ 4918 if (cp[0] & 0x40) { 4919 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4920 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4921 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4922 cp += 7; 4923 } else 4924 cp++; 4925 4926 /* Next is GPIO control/data. */ 4927 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4928 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4929 4930 ifmedia_add(&sc->sc_mii.mii_media, 4931 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4932 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4933 break; 4934 4935 case TULIP_ROM_MB_21142_MII: 4936 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4937 4938 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4939 4940 tm->tm_type = TULIP_ROM_MB_21142_MII; 4941 tm->tm_get = tlp_mii_getmedia; 4942 tm->tm_set = tlp_mii_setmedia; 4943 tm->tm_opmode = OPMODE_PS; 4944 4945 if (sc->sc_reset == NULL) 4946 sc->sc_reset = tlp_21142_reset; 4947 4948 /* First is the PHY number. */ 4949 tm->tm_phyno = *cp++; 4950 4951 /* Next is the MII select sequence length and offset. */ 4952 tm->tm_gp_length = *cp++; 4953 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4954 cp += tm->tm_gp_length * 2; 4955 4956 /* Next is the MII reset sequence length and offset. */ 4957 tm->tm_reset_length = *cp++; 4958 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4959 cp += tm->tm_reset_length * 2; 4960 4961 /* 4962 * The following items are left in the media block 4963 * that we don't particularly care about: 4964 * 4965 * capabilities W 4966 * advertisement W 4967 * full duplex W 4968 * tx threshold W 4969 * MII interrupt W 4970 * 4971 * These appear to be bits in the PHY registers, 4972 * which our MII code handles on its own. 4973 */ 4974 4975 /* 4976 * Before we probe the MII bus, we need to reset 4977 * it and issue the selection sequence. 4978 */ 4979 4980 cp = &sc->sc_srom[tm->tm_reset_offset]; 4981 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4982 delay(10); 4983 TULIP_WRITE(sc, CSR_SIAGEN, 4984 TULIP_ROM_GETW(cp, 0) << 16); 4985 } 4986 4987 cp = &sc->sc_srom[tm->tm_gp_offset]; 4988 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4989 delay(10); 4990 TULIP_WRITE(sc, CSR_SIAGEN, 4991 TULIP_ROM_GETW(cp, 0) << 16); 4992 } 4993 4994 /* If there were no sequences, just lower the pins. */ 4995 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4996 delay(10); 4997 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4998 } 4999 5000 /* 5001 * Now, probe the MII for the PHY. Note, we know 5002 * the location of the PHY on the bus, but we don't 5003 * particularly care; the MII code just likes to 5004 * search the whole thing anyhow. 5005 */ 5006 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5007 MII_PHY_ANY, tm->tm_phyno, 0); 5008 5009 /* 5010 * Now, search for the PHY we hopefully just 5011 * configured. If it's not configured into the 5012 * kernel, we lose. The PHY's default media always 5013 * takes priority. 5014 */ 5015 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 5016 phy != NULL; 5017 phy = LIST_NEXT(phy, mii_list)) 5018 if (phy->mii_offset == tm->tm_phyno) 5019 break; 5020 if (phy == NULL) { 5021 printf("%s: unable to configure MII\n", 5022 sc->sc_dev.dv_xname); 5023 break; 5024 } 5025 5026 sc->sc_flags |= TULIPF_HAS_MII; 5027 sc->sc_tick = tlp_mii_tick; 5028 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 5029 phy->mii_inst); 5030 5031 /* 5032 * Okay, now that we've found the PHY and the MII 5033 * layer has added all of the media associated 5034 * with that PHY, we need to traverse the media 5035 * list, and add our `tm' to each entry's `aux' 5036 * pointer. 5037 * 5038 * We do this by looking for media with our 5039 * PHY's `instance'. 5040 */ 5041 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5042 ife != NULL; 5043 ife = TAILQ_NEXT(ife, ifm_list)) { 5044 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 5045 continue; 5046 ife->ifm_aux = tm; 5047 } 5048 break; 5049 5050 case TULIP_ROM_MB_21143_SYM: 5051 tlp_get_minst(sc); 5052 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5053 5054 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5055 5056 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5057 tm->tm_get = tlp_sia_get; 5058 tm->tm_set = tlp_sia_set; 5059 5060 /* First is the media type code. */ 5061 tsti = tlp_srom_to_ifmedia(cp[0] & 5062 TULIP_ROM_MB_MEDIA_CODE); 5063 if (tsti == NULL) { 5064 /* Invalid media code. */ 5065 free(tm, M_DEVBUF); 5066 break; 5067 } 5068 5069 /* Get defaults. */ 5070 tlp_srom_media_info(sc, tsti, tm); 5071 5072 /* Next is GPIO control/data. */ 5073 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5074 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5075 5076 /* 5077 * Next is a word containing OPMODE information 5078 * and info on how to detect if this media is 5079 * active. 5080 */ 5081 word = TULIP_ROM_GETW(cp, 5); 5082 tm->tm_opmode &= OPMODE_FD; 5083 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5084 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5085 tm->tm_actmask = 5086 TULIP_ROM_MB_BITPOS(word); 5087 tm->tm_actdata = 5088 (word & TULIP_ROM_MB_POLARITY) ? 5089 0 : tm->tm_actmask; 5090 } 5091 5092 ifmedia_add(&sc->sc_mii.mii_media, 5093 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5094 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5095 break; 5096 5097 case TULIP_ROM_MB_21143_RESET: 5098 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 5099 break; 5100 5101 default: 5102 printf("%s: unknown ISV media block type 0x%02x\n", 5103 sc->sc_dev.dv_xname, type); 5104 } 5105 } 5106 5107 /* 5108 * Deal with the case where no media is configured. 5109 */ 5110 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5111 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 5112 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5113 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5114 return; 5115 } 5116 5117 /* 5118 * Pick the default media. 5119 */ 5120 if (miidef != 0) 5121 defmedia = miidef; 5122 else { 5123 switch (sc->sc_chip) { 5124 case TULIP_CHIP_21140: 5125 case TULIP_CHIP_21140A: 5126 /* XXX should come from SROM */ 5127 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5128 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5129 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5130 /* 5131 * There is not a 10baseT media. 5132 * Fall back to the first found one. 5133 */ 5134 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5135 defmedia = ife->ifm_media; 5136 } 5137 break; 5138 5139 case TULIP_CHIP_21142: 5140 case TULIP_CHIP_21143: 5141 case TULIP_CHIP_MX98713A: 5142 case TULIP_CHIP_MX98715: 5143 case TULIP_CHIP_MX98715A: 5144 case TULIP_CHIP_MX98715AEC_X: 5145 case TULIP_CHIP_MX98725: 5146 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5147 tm->tm_name = "auto"; 5148 tm->tm_get = tlp_2114x_nway_get; 5149 tm->tm_set = tlp_2114x_nway_set; 5150 5151 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5152 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5153 5154 sc->sc_statchg = tlp_2114x_nway_statchg; 5155 sc->sc_tick = tlp_2114x_nway_tick; 5156 break; 5157 5158 default: 5159 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5160 break; 5161 } 5162 } 5163 5164 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5165 5166 /* 5167 * Display any non-MII media we've located. 5168 */ 5169 if (sc->sc_media_seen & 5170 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5171 tlp_print_media(sc); 5172 5173 tlp_sia_fixup(sc); 5174 } 5175 5176 static void 5177 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5178 { 5179 5180 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5181 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5182 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5183 } 5184 5185 static int 5186 tlp_2114x_nway_set(struct tulip_softc *sc) 5187 { 5188 5189 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5190 } 5191 5192 static void 5193 tlp_2114x_nway_statchg(struct device *self) 5194 { 5195 struct tulip_softc *sc = (struct tulip_softc *)self; 5196 struct mii_data *mii = &sc->sc_mii; 5197 struct ifmedia_entry *ife; 5198 5199 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5200 return; 5201 5202 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5203 mii->mii_media.ifm_mask)) == NULL) { 5204 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5205 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5206 panic("tlp_2114x_nway_statchg"); 5207 } 5208 5209 tlp_sia_media(sc, ife); 5210 } 5211 5212 static void 5213 tlp_2114x_nway_tick(void *arg) 5214 { 5215 struct tulip_softc *sc = arg; 5216 struct mii_data *mii = &sc->sc_mii; 5217 int s, ticks; 5218 5219 if (!device_is_active(&sc->sc_dev)) 5220 return; 5221 5222 s = splnet(); 5223 tlp_2114x_nway_service(sc, MII_TICK); 5224 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5225 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5226 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5227 sc->sc_flags |= TULIPF_LINK_UP; 5228 tlp_start(&sc->sc_ethercom.ec_if); 5229 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5230 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5231 sc->sc_flags &= ~TULIPF_LINK_UP; 5232 } 5233 splx(s); 5234 5235 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5236 ticks = hz >> 3; 5237 else 5238 ticks = hz; 5239 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5240 } 5241 5242 /* 5243 * Support for the 2114X internal NWay block. This is constructed 5244 * somewhat like a PHY driver for simplicity. 5245 */ 5246 5247 static int 5248 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5249 { 5250 struct mii_data *mii = &sc->sc_mii; 5251 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5252 5253 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5254 return (0); 5255 5256 switch (cmd) { 5257 case MII_POLLSTAT: 5258 /* Nothing special to do here. */ 5259 break; 5260 5261 case MII_MEDIACHG: 5262 switch (IFM_SUBTYPE(ife->ifm_media)) { 5263 case IFM_AUTO: 5264 goto restart; 5265 default: 5266 /* Manual setting doesn't go through here. */ 5267 printf("tlp_2114x_nway_service: oops!\n"); 5268 return (EINVAL); 5269 } 5270 break; 5271 5272 case MII_TICK: 5273 /* 5274 * Only used for autonegotiation. 5275 */ 5276 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5277 break; 5278 5279 /* 5280 * Check to see if we have link. If we do, we don't 5281 * need to restart the autonegotiation process. 5282 */ 5283 #if 0 5284 if (mii->mii_media_status & IFM_ACTIVE) 5285 #else 5286 if (sc->sc_flags & TULIPF_LINK_UP) 5287 #endif 5288 break; 5289 5290 /* 5291 * Only retry autonegotiation every 5 seconds. 5292 */ 5293 if (++sc->sc_nway_ticks != (5 << 3)) 5294 break; 5295 5296 restart: 5297 sc->sc_nway_ticks = 0; 5298 ife->ifm_data = IFM_NONE; 5299 tlp_2114x_nway_auto(sc); 5300 break; 5301 } 5302 5303 /* Update the media status. */ 5304 tlp_2114x_nway_status(sc); 5305 5306 /* 5307 * Callback if something changed. Manually configuration goes through 5308 * tlp_sia_set() anyway, so ignore that here. 5309 */ 5310 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5311 ife->ifm_data != mii->mii_media_active) { 5312 (*sc->sc_statchg)(&sc->sc_dev); 5313 ife->ifm_data = mii->mii_media_active; 5314 } 5315 return (0); 5316 } 5317 5318 static void 5319 tlp_2114x_nway_auto(struct tulip_softc *sc) 5320 { 5321 uint32_t siastat, siatxrx; 5322 5323 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5324 5325 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5326 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5327 siatxrx = 0xffbf; /* XXX magic number */ 5328 5329 /* Compute the link code word to advertise. */ 5330 if (sc->sc_sia_cap & BMSR_100T4) 5331 siatxrx |= SIATXRX_T4; 5332 if (sc->sc_sia_cap & BMSR_100TXFDX) 5333 siatxrx |= SIATXRX_TXF; 5334 if (sc->sc_sia_cap & BMSR_100TXHDX) 5335 siatxrx |= SIATXRX_THX; 5336 if (sc->sc_sia_cap & BMSR_10TFDX) 5337 sc->sc_opmode |= OPMODE_FD; 5338 if (sc->sc_sia_cap & BMSR_10THDX) 5339 siatxrx |= SIATXRX_TH; 5340 5341 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5342 5343 TULIP_WRITE(sc, CSR_SIACONN, 0); 5344 delay(1000); 5345 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5346 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5347 5348 siastat = TULIP_READ(sc, CSR_SIASTAT); 5349 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5350 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5351 siastat |= SIASTAT_ANS_TXDIS; 5352 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5353 } 5354 5355 static void 5356 tlp_2114x_nway_status(struct tulip_softc *sc) 5357 { 5358 struct mii_data *mii = &sc->sc_mii; 5359 uint32_t siatxrx, siastat, anlpar; 5360 5361 mii->mii_media_status = IFM_AVALID; 5362 mii->mii_media_active = IFM_ETHER; 5363 5364 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5365 return; 5366 5367 siastat = TULIP_READ(sc, CSR_SIASTAT); 5368 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5369 5370 if (siatxrx & SIATXRX_ANE) { 5371 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5372 /* Erg, still trying, I guess... */ 5373 mii->mii_media_active |= IFM_NONE; 5374 return; 5375 } 5376 5377 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5378 mii->mii_media_status |= IFM_ACTIVE; 5379 5380 if (siastat & SIASTAT_LPN) { 5381 anlpar = SIASTAT_GETLPC(siastat); 5382 if (anlpar & ANLPAR_T4 && 5383 sc->sc_sia_cap & BMSR_100T4) 5384 mii->mii_media_active |= IFM_100_T4; 5385 else if (anlpar & ANLPAR_TX_FD && 5386 sc->sc_sia_cap & BMSR_100TXFDX) 5387 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5388 else if (anlpar & ANLPAR_TX && 5389 sc->sc_sia_cap & BMSR_100TXHDX) 5390 mii->mii_media_active |= IFM_100_TX; 5391 else if (anlpar & ANLPAR_10_FD && 5392 sc->sc_sia_cap & BMSR_10TFDX) 5393 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5394 else if (anlpar & ANLPAR_10 && 5395 sc->sc_sia_cap & BMSR_10THDX) 5396 mii->mii_media_active |= IFM_10_T; 5397 else 5398 mii->mii_media_active |= IFM_NONE; 5399 } else { 5400 /* 5401 * If the other side doesn't support NWAY, then the 5402 * best we can do is determine if we have a 10Mbps or 5403 * 100Mbps link. There's no way to know if the link 5404 * is full or half duplex, so we default to half duplex 5405 * and hope that the user is clever enough to manually 5406 * change the media settings if we're wrong. 5407 */ 5408 if ((siastat & SIASTAT_LS100) == 0) 5409 mii->mii_media_active |= IFM_100_TX; 5410 else if ((siastat & SIASTAT_LS10) == 0) 5411 mii->mii_media_active |= IFM_10_T; 5412 else 5413 mii->mii_media_active |= IFM_NONE; 5414 } 5415 } else { 5416 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5417 mii->mii_media_status |= IFM_ACTIVE; 5418 5419 if (sc->sc_opmode & OPMODE_TTM) 5420 mii->mii_media_active |= IFM_10_T; 5421 else 5422 mii->mii_media_active |= IFM_100_TX; 5423 if (sc->sc_opmode & OPMODE_FD) 5424 mii->mii_media_active |= IFM_FDX; 5425 } 5426 } 5427 5428 static void 5429 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5430 { 5431 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5432 struct tulip_21x4x_media *tm = ife->ifm_aux; 5433 5434 (*tm->tm_get)(sc, ifmr); 5435 } 5436 5437 static int 5438 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5439 { 5440 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5441 struct tulip_21x4x_media *tm = ife->ifm_aux; 5442 5443 /* 5444 * Check to see if we need to reset the chip, and do it. The 5445 * reset path will get the OPMODE register right the next 5446 * time through. 5447 */ 5448 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5449 return (tlp_init(&sc->sc_ethercom.ec_if)); 5450 5451 return ((*tm->tm_set)(sc)); 5452 } 5453 5454 /* 5455 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5456 */ 5457 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5458 5459 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5460 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5461 }; 5462 5463 static void 5464 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5465 { 5466 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5467 5468 /* 5469 * We don't attach any media info structures to the ifmedia 5470 * entries, so if we're using a pre-init function that needs 5471 * that info, override it to one that doesn't. 5472 */ 5473 if (sc->sc_preinit == tlp_2114x_preinit) 5474 sc->sc_preinit = tlp_2114x_mii_preinit; 5475 5476 sc->sc_mii.mii_ifp = ifp; 5477 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5478 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5479 sc->sc_mii.mii_statchg = sc->sc_statchg; 5480 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5481 tlp_mediastatus); 5482 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5483 MII_OFFSET_ANY, 0); 5484 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5485 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5486 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5487 } else { 5488 sc->sc_flags |= TULIPF_HAS_MII; 5489 sc->sc_tick = tlp_mii_tick; 5490 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5491 } 5492 } 5493 5494 /* 5495 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5496 */ 5497 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5498 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5499 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5500 5501 const struct tulip_mediasw tlp_pnic_mediasw = { 5502 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5503 }; 5504 5505 static void tlp_pnic_nway_statchg(struct device *); 5506 static void tlp_pnic_nway_tick(void *); 5507 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5508 static void tlp_pnic_nway_reset(struct tulip_softc *); 5509 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5510 static void tlp_pnic_nway_auto_timeout(void *); 5511 static void tlp_pnic_nway_status(struct tulip_softc *); 5512 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5513 5514 static void 5515 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5516 { 5517 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5518 const char *sep = ""; 5519 5520 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5521 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5522 5523 sc->sc_mii.mii_ifp = ifp; 5524 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5525 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5526 sc->sc_mii.mii_statchg = sc->sc_statchg; 5527 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5528 tlp_mediastatus); 5529 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5530 MII_OFFSET_ANY, 0); 5531 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5532 /* XXX What about AUI/BNC support? */ 5533 printf("%s: ", sc->sc_dev.dv_xname); 5534 5535 tlp_pnic_nway_reset(sc); 5536 5537 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5538 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5539 PRINT("10baseT"); 5540 5541 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5542 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5543 PRINT("10baseT-FDX"); 5544 5545 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5546 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5547 PRINT("100baseTX"); 5548 5549 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5550 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5551 PNIC_NWAY_CAP100TXFDX); 5552 PRINT("100baseTX-FDX"); 5553 5554 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5555 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5556 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5557 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5558 PRINT("auto"); 5559 5560 printf("\n"); 5561 5562 sc->sc_statchg = tlp_pnic_nway_statchg; 5563 sc->sc_tick = tlp_pnic_nway_tick; 5564 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5565 } else { 5566 sc->sc_flags |= TULIPF_HAS_MII; 5567 sc->sc_tick = tlp_mii_tick; 5568 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5569 } 5570 5571 #undef ADD 5572 #undef PRINT 5573 } 5574 5575 static void 5576 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5577 { 5578 struct mii_data *mii = &sc->sc_mii; 5579 5580 if (sc->sc_flags & TULIPF_HAS_MII) 5581 tlp_mii_getmedia(sc, ifmr); 5582 else { 5583 mii->mii_media_status = 0; 5584 mii->mii_media_active = IFM_NONE; 5585 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5586 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5587 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5588 } 5589 } 5590 5591 static int 5592 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5593 { 5594 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5595 struct mii_data *mii = &sc->sc_mii; 5596 5597 if (sc->sc_flags & TULIPF_HAS_MII) { 5598 /* 5599 * Make sure the built-in Tx jabber timer is disabled. 5600 */ 5601 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5602 5603 return (tlp_mii_setmedia(sc)); 5604 } 5605 5606 if (ifp->if_flags & IFF_UP) { 5607 mii->mii_media_status = 0; 5608 mii->mii_media_active = IFM_NONE; 5609 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5610 } 5611 5612 return (0); 5613 } 5614 5615 static void 5616 tlp_pnic_nway_statchg(struct device *self) 5617 { 5618 struct tulip_softc *sc = (struct tulip_softc *)self; 5619 5620 /* Idle the transmit and receive processes. */ 5621 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5622 5623 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5624 OPMODE_SCR|OPMODE_HBD); 5625 5626 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5627 sc->sc_opmode |= OPMODE_TTM; 5628 TULIP_WRITE(sc, CSR_GPP, 5629 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5630 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5631 } else { 5632 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5633 TULIP_WRITE(sc, CSR_GPP, 5634 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5635 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5636 } 5637 5638 if (sc->sc_mii.mii_media_active & IFM_FDX) 5639 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5640 5641 /* 5642 * Write new OPMODE bits. This also restarts the transmit 5643 * and receive processes. 5644 */ 5645 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5646 } 5647 5648 static void 5649 tlp_pnic_nway_tick(void *arg) 5650 { 5651 struct tulip_softc *sc = arg; 5652 int s; 5653 5654 if (!device_is_active(&sc->sc_dev)) 5655 return; 5656 5657 s = splnet(); 5658 tlp_pnic_nway_service(sc, MII_TICK); 5659 splx(s); 5660 5661 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5662 } 5663 5664 /* 5665 * Support for the Lite-On PNIC internal NWay block. This is constructed 5666 * somewhat like a PHY driver for simplicity. 5667 */ 5668 5669 static int 5670 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5671 { 5672 struct mii_data *mii = &sc->sc_mii; 5673 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5674 5675 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5676 return (0); 5677 5678 switch (cmd) { 5679 case MII_POLLSTAT: 5680 /* Nothing special to do here. */ 5681 break; 5682 5683 case MII_MEDIACHG: 5684 switch (IFM_SUBTYPE(ife->ifm_media)) { 5685 case IFM_AUTO: 5686 (void) tlp_pnic_nway_auto(sc, 1); 5687 break; 5688 case IFM_100_T4: 5689 /* 5690 * XXX Not supported as a manual setting right now. 5691 */ 5692 return (EINVAL); 5693 default: 5694 /* 5695 * NWAY register data is stored in the ifmedia entry. 5696 */ 5697 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5698 } 5699 break; 5700 5701 case MII_TICK: 5702 /* 5703 * Only used for autonegotiation. 5704 */ 5705 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5706 return (0); 5707 5708 /* 5709 * Check to see if we have link. If we do, we don't 5710 * need to restart the autonegotiation process. 5711 */ 5712 if (sc->sc_flags & TULIPF_LINK_UP) 5713 return (0); 5714 5715 /* 5716 * Only retry autonegotiation every 5 seconds. 5717 */ 5718 if (++sc->sc_nway_ticks != 5) 5719 return (0); 5720 5721 sc->sc_nway_ticks = 0; 5722 tlp_pnic_nway_reset(sc); 5723 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5724 return (0); 5725 break; 5726 } 5727 5728 /* Update the media status. */ 5729 tlp_pnic_nway_status(sc); 5730 5731 /* Callback if something changed. */ 5732 if ((sc->sc_nway_active == NULL || 5733 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5734 cmd == MII_MEDIACHG) { 5735 (*sc->sc_statchg)(&sc->sc_dev); 5736 tlp_nway_activate(sc, mii->mii_media_active); 5737 } 5738 return (0); 5739 } 5740 5741 static void 5742 tlp_pnic_nway_reset(struct tulip_softc *sc) 5743 { 5744 5745 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5746 delay(100); 5747 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5748 } 5749 5750 static int 5751 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5752 { 5753 struct mii_data *mii = &sc->sc_mii; 5754 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5755 u_int32_t reg; 5756 int i; 5757 5758 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5759 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5760 5761 if (waitfor) { 5762 /* Wait 500ms for it to complete. */ 5763 for (i = 0; i < 500; i++) { 5764 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5765 if (reg & PNIC_NWAY_LPAR_MASK) { 5766 tlp_pnic_nway_acomp(sc); 5767 return (0); 5768 } 5769 delay(1000); 5770 } 5771 #if 0 5772 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5773 printf("%s: autonegotiation failed to complete\n", 5774 sc->sc_dev.dv_xname); 5775 #endif 5776 5777 /* 5778 * Don't need to worry about clearing DOINGAUTO. 5779 * If that's set, a timeout is pending, and it will 5780 * clear the flag. 5781 */ 5782 return (EIO); 5783 } 5784 5785 /* 5786 * Just let it finish asynchronously. This is for the benefit of 5787 * the tick handler driving autonegotiation. Don't want 500ms 5788 * delays all the time while the system is running! 5789 */ 5790 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5791 sc->sc_flags |= TULIPF_DOINGAUTO; 5792 callout_reset(&sc->sc_nway_callout, hz >> 1, 5793 tlp_pnic_nway_auto_timeout, sc); 5794 } 5795 return (EJUSTRETURN); 5796 } 5797 5798 static void 5799 tlp_pnic_nway_auto_timeout(void *arg) 5800 { 5801 struct tulip_softc *sc = arg; 5802 u_int32_t reg; 5803 int s; 5804 5805 s = splnet(); 5806 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5807 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5808 #if 0 5809 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5810 printf("%s: autonegotiation failed to complete\n", 5811 sc->sc_dev.dv_xname); 5812 #endif 5813 5814 tlp_pnic_nway_acomp(sc); 5815 5816 /* Update the media status. */ 5817 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5818 splx(s); 5819 } 5820 5821 static void 5822 tlp_pnic_nway_status(struct tulip_softc *sc) 5823 { 5824 struct mii_data *mii = &sc->sc_mii; 5825 u_int32_t reg; 5826 5827 mii->mii_media_status = IFM_AVALID; 5828 mii->mii_media_active = IFM_ETHER; 5829 5830 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5831 5832 if (sc->sc_flags & TULIPF_LINK_UP) 5833 mii->mii_media_status |= IFM_ACTIVE; 5834 5835 if (reg & PNIC_NWAY_NW) { 5836 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5837 /* Erg, still trying, I guess... */ 5838 mii->mii_media_active |= IFM_NONE; 5839 return; 5840 } 5841 5842 #if 0 5843 if (reg & PNIC_NWAY_LPAR100T4) 5844 mii->mii_media_active |= IFM_100_T4; 5845 else 5846 #endif 5847 if (reg & PNIC_NWAY_LPAR100TXFDX) 5848 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5849 else if (reg & PNIC_NWAY_LPAR100TX) 5850 mii->mii_media_active |= IFM_100_TX; 5851 else if (reg & PNIC_NWAY_LPAR10TFDX) 5852 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5853 else if (reg & PNIC_NWAY_LPAR10T) 5854 mii->mii_media_active |= IFM_10_T; 5855 else 5856 mii->mii_media_active |= IFM_NONE; 5857 } else { 5858 if (reg & PNIC_NWAY_100) 5859 mii->mii_media_active |= IFM_100_TX; 5860 else 5861 mii->mii_media_active |= IFM_10_T; 5862 if (reg & PNIC_NWAY_FD) 5863 mii->mii_media_active |= IFM_FDX; 5864 } 5865 } 5866 5867 static void 5868 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5869 { 5870 u_int32_t reg; 5871 5872 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5873 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5874 5875 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5876 reg |= PNIC_NWAY_100; 5877 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5878 reg |= PNIC_NWAY_FD; 5879 5880 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5881 } 5882 5883 /* 5884 * Macronix PMAC and Lite-On PNIC-II media switch: 5885 * 5886 * MX98713 and MX98713A 21140-like MII or GPIO media. 5887 * 5888 * MX98713A 21143-like MII or SIA/SYM media. 5889 * 5890 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5891 * 82C115, MX98715AEC-C, -E 5892 * 5893 * So, what we do here is fake MII-on-SIO or ISV media info, and 5894 * use the ISV media switch get/set functions to handle the rest. 5895 */ 5896 5897 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5898 5899 const struct tulip_mediasw tlp_pmac_mediasw = { 5900 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5901 }; 5902 5903 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5904 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5905 }; 5906 5907 static void 5908 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5909 { 5910 static const u_int8_t media[] = { 5911 TULIP_ROM_MB_MEDIA_TP, 5912 TULIP_ROM_MB_MEDIA_TP_FDX, 5913 TULIP_ROM_MB_MEDIA_100TX, 5914 TULIP_ROM_MB_MEDIA_100TX_FDX, 5915 }; 5916 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5917 struct tulip_21x4x_media *tm; 5918 5919 sc->sc_mii.mii_ifp = ifp; 5920 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5921 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5922 sc->sc_mii.mii_statchg = sc->sc_statchg; 5923 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5924 tlp_mediastatus); 5925 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5926 sc->sc_chip == TULIP_CHIP_MX98713A) { 5927 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5928 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5929 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5930 sc->sc_flags |= TULIPF_HAS_MII; 5931 sc->sc_tick = tlp_mii_tick; 5932 sc->sc_preinit = tlp_2114x_mii_preinit; 5933 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5934 ifmedia_set(&sc->sc_mii.mii_media, 5935 IFM_ETHER|IFM_AUTO); 5936 return; 5937 } 5938 } 5939 5940 switch (sc->sc_chip) { 5941 case TULIP_CHIP_MX98713: 5942 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5943 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5944 5945 /* 5946 * XXX Should implement auto-sense for this someday, 5947 * XXX when we do the same for the 21140. 5948 */ 5949 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5950 break; 5951 5952 default: 5953 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5954 tlp_sia_get, tlp_sia_set, media, 2); 5955 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5956 tlp_sia_get, tlp_sia_set, media + 2, 2); 5957 5958 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5959 tm->tm_name = "auto"; 5960 tm->tm_get = tlp_2114x_nway_get; 5961 tm->tm_set = tlp_2114x_nway_set; 5962 ifmedia_add(&sc->sc_mii.mii_media, 5963 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5964 5965 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5966 sc->sc_statchg = tlp_2114x_nway_statchg; 5967 sc->sc_tick = tlp_2114x_nway_tick; 5968 break; 5969 } 5970 5971 tlp_print_media(sc); 5972 tlp_sia_fixup(sc); 5973 5974 /* Set the LED modes. */ 5975 tlp_pmac_reset(sc); 5976 5977 sc->sc_reset = tlp_pmac_reset; 5978 } 5979 5980 /* 5981 * ADMtek AL981 media switch. Only has internal PHY. 5982 */ 5983 static void tlp_al981_tmsw_init(struct tulip_softc *); 5984 5985 const struct tulip_mediasw tlp_al981_mediasw = { 5986 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5987 }; 5988 5989 static void 5990 tlp_al981_tmsw_init(struct tulip_softc *sc) 5991 { 5992 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5993 5994 sc->sc_mii.mii_ifp = ifp; 5995 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5996 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5997 sc->sc_mii.mii_statchg = sc->sc_statchg; 5998 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5999 tlp_mediastatus); 6000 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6001 MII_OFFSET_ANY, 0); 6002 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6003 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6004 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6005 } else { 6006 sc->sc_flags |= TULIPF_HAS_MII; 6007 sc->sc_tick = tlp_mii_tick; 6008 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6009 } 6010 } 6011 6012 /* 6013 * ADMtek AN983/985 media switch. Only has internal PHY, but 6014 * on an SIO-like interface. Unfortunately, we can't use the 6015 * standard SIO media switch, because the AN985 "ghosts" the 6016 * singly PHY at every address. 6017 */ 6018 static void tlp_an985_tmsw_init(struct tulip_softc *); 6019 6020 const struct tulip_mediasw tlp_an985_mediasw = { 6021 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6022 }; 6023 6024 static void 6025 tlp_an985_tmsw_init(struct tulip_softc *sc) 6026 { 6027 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6028 6029 sc->sc_mii.mii_ifp = ifp; 6030 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6031 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6032 sc->sc_mii.mii_statchg = sc->sc_statchg; 6033 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6034 tlp_mediastatus); 6035 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6036 MII_OFFSET_ANY, 0); 6037 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6038 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6039 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6040 } else { 6041 sc->sc_flags |= TULIPF_HAS_MII; 6042 sc->sc_tick = tlp_mii_tick; 6043 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6044 } 6045 } 6046 6047 /* 6048 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 6049 */ 6050 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 6051 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6052 struct ifmediareq *); 6053 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6054 6055 const struct tulip_mediasw tlp_dm9102_mediasw = { 6056 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6057 tlp_dm9102_tmsw_setmedia 6058 }; 6059 6060 static void 6061 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6062 { 6063 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6064 u_int32_t opmode; 6065 6066 sc->sc_mii.mii_ifp = ifp; 6067 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6068 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6069 sc->sc_mii.mii_statchg = sc->sc_statchg; 6070 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6071 tlp_mediastatus); 6072 6073 /* PHY block already reset via tlp_reset(). */ 6074 6075 /* 6076 * Configure OPMODE properly for the internal MII interface. 6077 */ 6078 switch (sc->sc_chip) { 6079 case TULIP_CHIP_DM9102: 6080 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6081 break; 6082 6083 case TULIP_CHIP_DM9102A: 6084 opmode = OPMODE_MBO|OPMODE_HBD; 6085 break; 6086 6087 default: 6088 opmode = 0; 6089 break; 6090 } 6091 6092 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6093 6094 /* Now, probe the internal MII for the internal PHY. */ 6095 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6096 MII_OFFSET_ANY, 0); 6097 6098 /* 6099 * XXX Figure out what to do about the HomePNA portion 6100 * XXX of the DM9102A. 6101 */ 6102 6103 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6104 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6105 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6106 } else { 6107 sc->sc_flags |= TULIPF_HAS_MII; 6108 sc->sc_tick = tlp_mii_tick; 6109 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6110 } 6111 } 6112 6113 static void 6114 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6115 { 6116 6117 /* XXX HomePNA on DM9102A. */ 6118 tlp_mii_getmedia(sc, ifmr); 6119 } 6120 6121 static int 6122 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6123 { 6124 6125 /* XXX HomePNA on DM9102A. */ 6126 return (tlp_mii_setmedia(sc)); 6127 } 6128 6129 /* 6130 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6131 */ 6132 6133 static void tlp_asix_tmsw_init(struct tulip_softc *); 6134 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6135 struct ifmediareq *); 6136 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6137 6138 const struct tulip_mediasw tlp_asix_mediasw = { 6139 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6140 tlp_asix_tmsw_setmedia 6141 }; 6142 6143 static void 6144 tlp_asix_tmsw_init(struct tulip_softc *sc) 6145 { 6146 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6147 u_int32_t opmode; 6148 6149 sc->sc_mii.mii_ifp = ifp; 6150 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6151 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6152 sc->sc_mii.mii_statchg = sc->sc_statchg; 6153 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6154 tlp_mediastatus); 6155 6156 /* 6157 * Configure OPMODE properly for the internal MII interface. 6158 */ 6159 switch (sc->sc_chip) { 6160 case TULIP_CHIP_AX88140: 6161 case TULIP_CHIP_AX88141: 6162 opmode = OPMODE_HBD|OPMODE_PS; 6163 break; 6164 default: 6165 opmode = 0; 6166 break; 6167 } 6168 6169 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6170 6171 /* Now, probe the internal MII for the internal PHY. */ 6172 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6173 MII_OFFSET_ANY, 0); 6174 6175 /* XXX Figure how to handle the PHY. */ 6176 6177 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6178 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6179 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6180 } else { 6181 sc->sc_flags |= TULIPF_HAS_MII; 6182 sc->sc_tick = tlp_mii_tick; 6183 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6184 } 6185 6186 6187 } 6188 6189 static void 6190 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6191 { 6192 6193 /* XXX PHY handling. */ 6194 tlp_mii_getmedia(sc, ifmr); 6195 } 6196 6197 static int 6198 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6199 { 6200 6201 /* XXX PHY handling. */ 6202 return (tlp_mii_setmedia(sc)); 6203 } 6204 6205 /* 6206 * RS7112 media switch. Handles only MII attached to the SIO. 6207 * We only have a PHY at 1. 6208 */ 6209 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6210 6211 const struct tulip_mediasw tlp_rs7112_mediasw = { 6212 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6213 }; 6214 6215 void 6216 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6217 { 6218 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6219 6220 /* 6221 * We don't attach any media info structures to the ifmedia 6222 * entries, so if we're using a pre-init function that needs 6223 * that info, override it to one that doesn't. 6224 */ 6225 if (sc->sc_preinit == tlp_2114x_preinit) 6226 sc->sc_preinit = tlp_2114x_mii_preinit; 6227 6228 sc->sc_mii.mii_ifp = ifp; 6229 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6230 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6231 sc->sc_mii.mii_statchg = sc->sc_statchg; 6232 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6233 tlp_mediastatus); 6234 6235 /* 6236 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6237 * and 1 (ethernet). We attach ethernet only. 6238 */ 6239 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6240 MII_OFFSET_ANY, 0); 6241 6242 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6243 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6244 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6245 } else { 6246 sc->sc_flags |= TULIPF_HAS_MII; 6247 sc->sc_tick = tlp_mii_tick; 6248 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6249 } 6250 } 6251
Indexes created Mon Sep 22 13:09:51 GMT 2025