tulip.c revision 1.146
1 /* $NetBSD: tulip.c,v 1.146 2006/08/30 23:31:08 rumble 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 1.146 2006/08/30 23:31:08 rumble 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 * Phobos interfaces have the address at offsets 20 2513 * and 84, but each pair of bytes is swapped. The 2514 * first and last two bytes appear to contain 2515 * checksums. Everything else is 0. 2516 */ 2517 if (sc->sc_srom_addrbits == 6 && 2518 sc->sc_srom[21] == 0x00 && 2519 sc->sc_srom[20] == 0x60 && 2520 sc->sc_srom[23] == 0xf5 && 2521 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { 2522 for (i = 0; i < 6; i += 2) { 2523 enaddr[i] = sc->sc_srom[20 + i + 1]; 2524 enaddr[i + 1] = sc->sc_srom[20 + i]; 2525 } 2526 return (1); 2527 } 2528 2529 /* 2530 * Cobalt Networks interfaces simply have the address 2531 * in the first six bytes. The rest is zeroed out 2532 * on some models, but others contain unknown data. 2533 */ 2534 if (sc->sc_srom[0] == 0x00 && 2535 sc->sc_srom[1] == 0x10 && 2536 sc->sc_srom[2] == 0xe0) { 2537 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2538 return (1); 2539 } 2540 2541 /* 2542 * Some vendors (e.g. ZNYX) don't use the standard 2543 * DEC Address ROM format, but rather just have an 2544 * Ethernet address in the first 6 bytes, maybe a 2545 * 2 byte checksum, and then all 0xff's. 2546 */ 2547 for (i = 8; i < 32; i++) { 2548 if (sc->sc_srom[i] != 0xff && 2549 sc->sc_srom[i] != 0) 2550 return (0); 2551 } 2552 2553 /* 2554 * Sanity check the Ethernet address: 2555 * 2556 * - Make sure it's not multicast or locally 2557 * assigned 2558 * - Make sure it has a non-0 OUI 2559 */ 2560 if (sc->sc_srom[0] & 3) 2561 return (0); 2562 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2563 sc->sc_srom[2] == 0) 2564 return (0); 2565 2566 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2567 return (1); 2568 } 2569 2570 /* 2571 * Standard DEC Address ROM test. 2572 */ 2573 2574 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2575 return (0); 2576 2577 for (i = 0; i < 8; i++) { 2578 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2579 return (0); 2580 } 2581 2582 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2583 2584 cksum = *(u_int16_t *) &enaddr[0]; 2585 2586 cksum <<= 1; 2587 if (cksum > 0xffff) 2588 cksum -= 0xffff; 2589 2590 cksum += *(u_int16_t *) &enaddr[2]; 2591 if (cksum > 0xffff) 2592 cksum -= 0xffff; 2593 2594 cksum <<= 1; 2595 if (cksum > 0xffff) 2596 cksum -= 0xffff; 2597 2598 cksum += *(u_int16_t *) &enaddr[4]; 2599 if (cksum >= 0xffff) 2600 cksum -= 0xffff; 2601 2602 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2603 return (0); 2604 2605 return (1); 2606 } 2607 2608 /* 2609 * tlp_filter_setup: 2610 * 2611 * Set the Tulip's receive filter. 2612 */ 2613 static void 2614 tlp_filter_setup(struct tulip_softc *sc) 2615 { 2616 struct ethercom *ec = &sc->sc_ethercom; 2617 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2618 struct ether_multi *enm; 2619 struct ether_multistep step; 2620 volatile u_int32_t *sp; 2621 struct tulip_txsoft *txs; 2622 u_int8_t enaddr[ETHER_ADDR_LEN]; 2623 u_int32_t hash, hashsize; 2624 int cnt, nexttx; 2625 2626 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2627 sc->sc_dev.dv_xname, sc->sc_flags)); 2628 2629 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2630 2631 /* 2632 * If there are transmissions pending, wait until they have 2633 * completed. 2634 */ 2635 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2636 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2637 sc->sc_flags |= TULIPF_WANT_SETUP; 2638 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2639 sc->sc_dev.dv_xname)); 2640 return; 2641 } 2642 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2643 2644 switch (sc->sc_chip) { 2645 case TULIP_CHIP_82C115: 2646 hashsize = TULIP_PNICII_HASHSIZE; 2647 break; 2648 2649 default: 2650 hashsize = TULIP_MCHASHSIZE; 2651 } 2652 2653 /* 2654 * If we're running, idle the transmit and receive engines. If 2655 * we're NOT running, we're being called from tlp_init(), and our 2656 * writing OPMODE will start the transmit and receive processes 2657 * in motion. 2658 */ 2659 if (ifp->if_flags & IFF_RUNNING) 2660 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2661 2662 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2663 2664 if (ifp->if_flags & IFF_PROMISC) { 2665 sc->sc_opmode |= OPMODE_PR; 2666 goto allmulti; 2667 } 2668 2669 /* 2670 * Try Perfect filtering first. 2671 */ 2672 2673 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2674 sp = TULIP_CDSP(sc); 2675 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2676 cnt = 0; 2677 ETHER_FIRST_MULTI(step, ec, enm); 2678 while (enm != NULL) { 2679 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2680 /* 2681 * We must listen to a range of multicast addresses. 2682 * For now, just accept all multicasts, rather than 2683 * trying to set only those filter bits needed to match 2684 * the range. (At this time, the only use of address 2685 * ranges is for IP multicast routing, for which the 2686 * range is big enough to require all bits set.) 2687 */ 2688 goto allmulti; 2689 } 2690 if (cnt == (TULIP_MAXADDRS - 2)) { 2691 /* 2692 * We already have our multicast limit (still need 2693 * our station address and broadcast). Go to 2694 * Hash-Perfect mode. 2695 */ 2696 goto hashperfect; 2697 } 2698 cnt++; 2699 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2700 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2701 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2702 ETHER_NEXT_MULTI(step, enm); 2703 } 2704 2705 if (ifp->if_flags & IFF_BROADCAST) { 2706 /* ...and the broadcast address. */ 2707 cnt++; 2708 *sp++ = TULIP_SP_FIELD_C(0xffff); 2709 *sp++ = TULIP_SP_FIELD_C(0xffff); 2710 *sp++ = TULIP_SP_FIELD_C(0xffff); 2711 } 2712 2713 /* Pad the rest with our station address. */ 2714 for (; cnt < TULIP_MAXADDRS; cnt++) { 2715 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2716 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2717 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2718 } 2719 ifp->if_flags &= ~IFF_ALLMULTI; 2720 goto setit; 2721 2722 hashperfect: 2723 /* 2724 * Try Hash-Perfect mode. 2725 */ 2726 2727 /* 2728 * Some 21140 chips have broken Hash-Perfect modes. On these 2729 * chips, we simply use Hash-Only mode, and put our station 2730 * address into the filter. 2731 */ 2732 if (sc->sc_chip == TULIP_CHIP_21140) 2733 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2734 else 2735 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2736 sp = TULIP_CDSP(sc); 2737 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2738 ETHER_FIRST_MULTI(step, ec, enm); 2739 while (enm != NULL) { 2740 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2741 /* 2742 * We must listen to a range of multicast addresses. 2743 * For now, just accept all multicasts, rather than 2744 * trying to set only those filter bits needed to match 2745 * the range. (At this time, the only use of address 2746 * ranges is for IP multicast routing, for which the 2747 * range is big enough to require all bits set.) 2748 */ 2749 goto allmulti; 2750 } 2751 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2752 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2753 ETHER_NEXT_MULTI(step, enm); 2754 } 2755 2756 if (ifp->if_flags & IFF_BROADCAST) { 2757 /* ...and the broadcast address. */ 2758 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2759 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2760 } 2761 2762 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2763 /* ...and our station address. */ 2764 hash = tlp_mchash(enaddr, hashsize); 2765 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2766 } else { 2767 /* 2768 * Hash-Perfect mode; put our station address after 2769 * the hash table. 2770 */ 2771 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2772 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2773 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2774 } 2775 ifp->if_flags &= ~IFF_ALLMULTI; 2776 goto setit; 2777 2778 allmulti: 2779 /* 2780 * Use Perfect filter mode. First address is the broadcast address, 2781 * and pad the rest with our station address. We'll set Pass-all- 2782 * multicast in OPMODE below. 2783 */ 2784 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2785 sp = TULIP_CDSP(sc); 2786 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2787 cnt = 0; 2788 if (ifp->if_flags & IFF_BROADCAST) { 2789 cnt++; 2790 *sp++ = TULIP_SP_FIELD_C(0xffff); 2791 *sp++ = TULIP_SP_FIELD_C(0xffff); 2792 *sp++ = TULIP_SP_FIELD_C(0xffff); 2793 } 2794 for (; cnt < TULIP_MAXADDRS; cnt++) { 2795 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2796 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2797 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2798 } 2799 ifp->if_flags |= IFF_ALLMULTI; 2800 2801 setit: 2802 if (ifp->if_flags & IFF_ALLMULTI) 2803 sc->sc_opmode |= OPMODE_PM; 2804 2805 /* Sync the setup packet buffer. */ 2806 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2807 2808 /* 2809 * Fill in the setup packet descriptor. 2810 */ 2811 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2812 2813 txs->txs_firstdesc = sc->sc_txnext; 2814 txs->txs_lastdesc = sc->sc_txnext; 2815 txs->txs_ndescs = 1; 2816 txs->txs_mbuf = NULL; 2817 2818 nexttx = sc->sc_txnext; 2819 sc->sc_txdescs[nexttx].td_status = 0; 2820 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2821 sc->sc_txdescs[nexttx].td_ctl = 2822 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2823 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2824 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2825 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2826 TULIP_CDTXSYNC(sc, nexttx, 1, 2827 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2828 2829 #ifdef TLP_DEBUG 2830 if (ifp->if_flags & IFF_DEBUG) { 2831 printf(" filter_setup %p transmit chain:\n", txs); 2832 printf(" descriptor %d:\n", nexttx); 2833 printf(" td_status: 0x%08x\n", 2834 le32toh(sc->sc_txdescs[nexttx].td_status)); 2835 printf(" td_ctl: 0x%08x\n", 2836 le32toh(sc->sc_txdescs[nexttx].td_ctl)); 2837 printf(" td_bufaddr1: 0x%08x\n", 2838 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1)); 2839 printf(" td_bufaddr2: 0x%08x\n", 2840 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2)); 2841 } 2842 #endif 2843 2844 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN); 2845 TULIP_CDTXSYNC(sc, nexttx, 1, 2846 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2847 2848 /* Advance the tx pointer. */ 2849 sc->sc_txfree -= 1; 2850 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2851 2852 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2853 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2854 2855 /* 2856 * Set the OPMODE register. This will also resume the 2857 * transmit process we idled above. 2858 */ 2859 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2860 2861 sc->sc_flags |= TULIPF_DOING_SETUP; 2862 2863 /* 2864 * Kick the transmitter; this will cause the Tulip to 2865 * read the setup descriptor. 2866 */ 2867 /* XXX USE AUTOPOLLING? */ 2868 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2869 2870 /* Set up a watchdog timer in case the chip flakes out. */ 2871 ifp->if_timer = 5; 2872 2873 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2874 } 2875 2876 /* 2877 * tlp_winb_filter_setup: 2878 * 2879 * Set the Winbond 89C840F's receive filter. 2880 */ 2881 static void 2882 tlp_winb_filter_setup(struct tulip_softc *sc) 2883 { 2884 struct ethercom *ec = &sc->sc_ethercom; 2885 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2886 struct ether_multi *enm; 2887 struct ether_multistep step; 2888 u_int32_t hash, mchash[2]; 2889 2890 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2891 sc->sc_dev.dv_xname, sc->sc_flags)); 2892 2893 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2894 2895 if (ifp->if_flags & IFF_MULTICAST) 2896 sc->sc_opmode |= OPMODE_WINB_AMP; 2897 2898 if (ifp->if_flags & IFF_BROADCAST) 2899 sc->sc_opmode |= OPMODE_WINB_ABP; 2900 2901 if (ifp->if_flags & IFF_PROMISC) { 2902 sc->sc_opmode |= OPMODE_WINB_APP; 2903 goto allmulti; 2904 } 2905 2906 mchash[0] = mchash[1] = 0; 2907 2908 ETHER_FIRST_MULTI(step, ec, enm); 2909 while (enm != NULL) { 2910 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2911 /* 2912 * We must listen to a range of multicast addresses. 2913 * For now, just accept all multicasts, rather than 2914 * trying to set only those filter bits needed to match 2915 * the range. (At this time, the only use of address 2916 * ranges is for IP multicast routing, for which the 2917 * range is big enough to require all bits set.) 2918 */ 2919 goto allmulti; 2920 } 2921 2922 /* 2923 * According to the FreeBSD `wb' driver, yes, you 2924 * really do invert the hash. 2925 */ 2926 hash = 2927 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2928 & 0x3f; 2929 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2930 ETHER_NEXT_MULTI(step, enm); 2931 } 2932 ifp->if_flags &= ~IFF_ALLMULTI; 2933 goto setit; 2934 2935 allmulti: 2936 ifp->if_flags |= IFF_ALLMULTI; 2937 mchash[0] = mchash[1] = 0xffffffff; 2938 2939 setit: 2940 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2941 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2942 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2943 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2944 sc->sc_dev.dv_xname)); 2945 } 2946 2947 /* 2948 * tlp_al981_filter_setup: 2949 * 2950 * Set the ADMtek AL981's receive filter. 2951 */ 2952 static void 2953 tlp_al981_filter_setup(struct tulip_softc *sc) 2954 { 2955 struct ethercom *ec = &sc->sc_ethercom; 2956 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2957 struct ether_multi *enm; 2958 struct ether_multistep step; 2959 u_int32_t hash, mchash[2]; 2960 2961 /* 2962 * If the chip is running, we need to reset the interface, 2963 * and will revisit here (with IFF_RUNNING) clear. The 2964 * chip seems to really not like to have its multicast 2965 * filter programmed without a reset. 2966 */ 2967 if (ifp->if_flags & IFF_RUNNING) { 2968 (void) tlp_init(ifp); 2969 return; 2970 } 2971 2972 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2973 sc->sc_dev.dv_xname, sc->sc_flags)); 2974 2975 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2976 2977 if (ifp->if_flags & IFF_PROMISC) { 2978 sc->sc_opmode |= OPMODE_PR; 2979 goto allmulti; 2980 } 2981 2982 mchash[0] = mchash[1] = 0; 2983 2984 ETHER_FIRST_MULTI(step, ec, enm); 2985 while (enm != NULL) { 2986 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2987 /* 2988 * We must listen to a range of multicast addresses. 2989 * For now, just accept all multicasts, rather than 2990 * trying to set only those filter bits needed to match 2991 * the range. (At this time, the only use of address 2992 * ranges is for IP multicast routing, for which the 2993 * range is big enough to require all bits set.) 2994 */ 2995 goto allmulti; 2996 } 2997 2998 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2999 mchash[hash >> 5] |= 1 << (hash & 0x1f); 3000 ETHER_NEXT_MULTI(step, enm); 3001 } 3002 ifp->if_flags &= ~IFF_ALLMULTI; 3003 goto setit; 3004 3005 allmulti: 3006 ifp->if_flags |= IFF_ALLMULTI; 3007 mchash[0] = mchash[1] = 0xffffffff; 3008 3009 setit: 3010 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 3011 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 3012 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3013 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 3014 sc->sc_dev.dv_xname)); 3015 } 3016 3017 /* 3018 * tlp_asix_filter_setup: 3019 * 3020 * Set the ASIX AX8814x recieve filter. 3021 */ 3022 static void 3023 tlp_asix_filter_setup(struct tulip_softc *sc) 3024 { 3025 struct ethercom *ec = &sc->sc_ethercom; 3026 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3027 struct ether_multi *enm; 3028 struct ether_multistep step; 3029 u_int32_t hash, mchash[2]; 3030 3031 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 3032 sc->sc_dev.dv_xname, sc->sc_flags)); 3033 3034 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 3035 3036 if (ifp->if_flags & IFF_MULTICAST) 3037 sc->sc_opmode |= OPMODE_PM; 3038 3039 if (ifp->if_flags & IFF_BROADCAST) 3040 sc->sc_opmode |= OPMODE_AX_RB; 3041 3042 if (ifp->if_flags & IFF_PROMISC) { 3043 sc->sc_opmode |= OPMODE_PR; 3044 goto allmulti; 3045 } 3046 3047 mchash[0] = mchash[1] = 0; 3048 3049 ETHER_FIRST_MULTI(step, ec, enm); 3050 while (enm != NULL) { 3051 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 3052 /* 3053 * We must listen to a range of multicast addresses. 3054 * For now, just accept all multicasts, rather than 3055 * trying to set only those filter bits needed to match 3056 * the range. (At this time, the only use of address 3057 * ranges is for IP multicast routing, for which the 3058 * range is big enough to require all bits set.) 3059 */ 3060 goto allmulti; 3061 } 3062 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3063 & 0x3f; 3064 if (hash < 32) 3065 mchash[0] |= (1 << hash); 3066 else 3067 mchash[1] |= (1 << (hash - 32)); 3068 ETHER_NEXT_MULTI(step, enm); 3069 } 3070 ifp->if_flags &= ~IFF_ALLMULTI; 3071 goto setit; 3072 3073 allmulti: 3074 ifp->if_flags |= IFF_ALLMULTI; 3075 mchash[0] = mchash[1] = 0xffffffff; 3076 3077 setit: 3078 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3079 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3080 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3081 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3082 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3083 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3084 sc->sc_dev.dv_xname)); 3085 } 3086 3087 3088 /* 3089 * tlp_idle: 3090 * 3091 * Cause the transmit and/or receive processes to go idle. 3092 */ 3093 void 3094 tlp_idle(struct tulip_softc *sc, u_int32_t bits) 3095 { 3096 static const char * const tlp_tx_state_names[] = { 3097 "STOPPED", 3098 "RUNNING - FETCH", 3099 "RUNNING - WAIT", 3100 "RUNNING - READING", 3101 "-- RESERVED --", 3102 "RUNNING - SETUP", 3103 "SUSPENDED", 3104 "RUNNING - CLOSE", 3105 }; 3106 static const char * const tlp_rx_state_names[] = { 3107 "STOPPED", 3108 "RUNNING - FETCH", 3109 "RUNNING - CHECK", 3110 "RUNNING - WAIT", 3111 "SUSPENDED", 3112 "RUNNING - CLOSE", 3113 "RUNNING - FLUSH", 3114 "RUNNING - QUEUE", 3115 }; 3116 static const char * const dm9102_tx_state_names[] = { 3117 "STOPPED", 3118 "RUNNING - FETCH", 3119 "RUNNING - SETUP", 3120 "RUNNING - READING", 3121 "RUNNING - CLOSE - CLEAR OWNER", 3122 "RUNNING - WAIT", 3123 "RUNNING - CLOSE - WRITE STATUS", 3124 "SUSPENDED", 3125 }; 3126 static const char * const dm9102_rx_state_names[] = { 3127 "STOPPED", 3128 "RUNNING - FETCH", 3129 "RUNNING - WAIT", 3130 "RUNNING - QUEUE", 3131 "RUNNING - CLOSE - CLEAR OWNER", 3132 "RUNNING - CLOSE - WRITE STATUS", 3133 "SUSPENDED", 3134 "RUNNING - FLUSH", 3135 }; 3136 3137 const char * const *tx_state_names, * const *rx_state_names; 3138 u_int32_t csr, ackmask = 0; 3139 int i; 3140 3141 switch (sc->sc_chip) { 3142 case TULIP_CHIP_DM9102: 3143 case TULIP_CHIP_DM9102A: 3144 tx_state_names = dm9102_tx_state_names; 3145 rx_state_names = dm9102_rx_state_names; 3146 break; 3147 3148 default: 3149 tx_state_names = tlp_tx_state_names; 3150 rx_state_names = tlp_rx_state_names; 3151 break; 3152 } 3153 3154 if (bits & OPMODE_ST) 3155 ackmask |= STATUS_TPS; 3156 3157 if (bits & OPMODE_SR) 3158 ackmask |= STATUS_RPS; 3159 3160 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3161 3162 for (i = 0; i < 1000; i++) { 3163 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3164 break; 3165 delay(10); 3166 } 3167 3168 csr = TULIP_READ(sc, CSR_STATUS); 3169 if ((csr & ackmask) != ackmask) { 3170 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3171 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3172 switch (sc->sc_chip) { 3173 case TULIP_CHIP_AX88140: 3174 case TULIP_CHIP_AX88141: 3175 /* 3176 * Filter the message out on noisy chips. 3177 */ 3178 break; 3179 default: 3180 printf("%s: transmit process failed to idle: " 3181 "state %s\n", sc->sc_dev.dv_xname, 3182 tx_state_names[(csr & STATUS_TS) >> 20]); 3183 } 3184 } 3185 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3186 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3187 switch (sc->sc_chip) { 3188 case TULIP_CHIP_AN983: 3189 case TULIP_CHIP_AN985: 3190 case TULIP_CHIP_DM9102A: 3191 case TULIP_CHIP_RS7112: 3192 /* 3193 * Filter the message out on noisy chips. 3194 */ 3195 break; 3196 default: 3197 printf("%s: receive process failed to idle: " 3198 "state %s\n", sc->sc_dev.dv_xname, 3199 rx_state_names[(csr & STATUS_RS) >> 17]); 3200 } 3201 } 3202 } 3203 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3204 } 3205 3206 /***************************************************************************** 3207 * Generic media support functions. 3208 *****************************************************************************/ 3209 3210 /* 3211 * tlp_mediastatus: [ifmedia interface function] 3212 * 3213 * Query the current media. 3214 */ 3215 void 3216 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3217 { 3218 struct tulip_softc *sc = ifp->if_softc; 3219 3220 if (TULIP_IS_ENABLED(sc) == 0) { 3221 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3222 ifmr->ifm_status = 0; 3223 return; 3224 } 3225 3226 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3227 } 3228 3229 /* 3230 * tlp_mediachange: [ifmedia interface function] 3231 * 3232 * Update the current media. 3233 */ 3234 int 3235 tlp_mediachange(struct ifnet *ifp) 3236 { 3237 struct tulip_softc *sc = ifp->if_softc; 3238 3239 if ((ifp->if_flags & IFF_UP) == 0) 3240 return (0); 3241 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3242 } 3243 3244 /***************************************************************************** 3245 * Support functions for MII-attached media. 3246 *****************************************************************************/ 3247 3248 /* 3249 * tlp_mii_tick: 3250 * 3251 * One second timer, used to tick the MII. 3252 */ 3253 static void 3254 tlp_mii_tick(void *arg) 3255 { 3256 struct tulip_softc *sc = arg; 3257 int s; 3258 3259 if (!device_is_active(&sc->sc_dev)) 3260 return; 3261 3262 s = splnet(); 3263 mii_tick(&sc->sc_mii); 3264 splx(s); 3265 3266 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3267 } 3268 3269 /* 3270 * tlp_mii_statchg: [mii interface function] 3271 * 3272 * Callback from PHY when media changes. 3273 */ 3274 static void 3275 tlp_mii_statchg(struct device *self) 3276 { 3277 struct tulip_softc *sc = (struct tulip_softc *)self; 3278 3279 /* Idle the transmit and receive processes. */ 3280 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3281 3282 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3283 3284 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3285 sc->sc_opmode |= OPMODE_TTM; 3286 else 3287 sc->sc_opmode |= OPMODE_HBD; 3288 3289 if (sc->sc_mii.mii_media_active & IFM_FDX) 3290 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3291 3292 /* 3293 * Write new OPMODE bits. This also restarts the transmit 3294 * and receive processes. 3295 */ 3296 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3297 } 3298 3299 /* 3300 * tlp_winb_mii_statchg: [mii interface function] 3301 * 3302 * Callback from PHY when media changes. This version is 3303 * for the Winbond 89C840F, which has different OPMODE bits. 3304 */ 3305 static void 3306 tlp_winb_mii_statchg(struct device *self) 3307 { 3308 struct tulip_softc *sc = (struct tulip_softc *)self; 3309 3310 /* Idle the transmit and receive processes. */ 3311 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3312 3313 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3314 3315 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3316 sc->sc_opmode |= OPMODE_WINB_FES; 3317 3318 if (sc->sc_mii.mii_media_active & IFM_FDX) 3319 sc->sc_opmode |= OPMODE_FD; 3320 3321 /* 3322 * Write new OPMODE bits. This also restarts the transmit 3323 * and receive processes. 3324 */ 3325 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3326 } 3327 3328 /* 3329 * tlp_dm9102_mii_statchg: [mii interface function] 3330 * 3331 * Callback from PHY when media changes. This version is 3332 * for the DM9102. 3333 */ 3334 static void 3335 tlp_dm9102_mii_statchg(struct device *self) 3336 { 3337 struct tulip_softc *sc = (struct tulip_softc *)self; 3338 3339 /* 3340 * Don't idle the transmit and receive processes, here. It 3341 * seems to fail, and just causes excess noise. 3342 */ 3343 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3344 3345 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3346 sc->sc_opmode |= OPMODE_TTM; 3347 3348 if (sc->sc_mii.mii_media_active & IFM_FDX) 3349 sc->sc_opmode |= OPMODE_FD; 3350 3351 /* 3352 * Write new OPMODE bits. 3353 */ 3354 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3355 } 3356 3357 /* 3358 * tlp_mii_getmedia: 3359 * 3360 * Callback from ifmedia to request current media status. 3361 */ 3362 static void 3363 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3364 { 3365 3366 mii_pollstat(&sc->sc_mii); 3367 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3368 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3369 } 3370 3371 /* 3372 * tlp_mii_setmedia: 3373 * 3374 * Callback from ifmedia to request new media setting. 3375 */ 3376 static int 3377 tlp_mii_setmedia(struct tulip_softc *sc) 3378 { 3379 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3380 3381 if (ifp->if_flags & IFF_UP) { 3382 switch (sc->sc_chip) { 3383 case TULIP_CHIP_21142: 3384 case TULIP_CHIP_21143: 3385 /* Disable the internal Nway engine. */ 3386 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3387 break; 3388 3389 default: 3390 /* Nothing. */ 3391 break; 3392 } 3393 mii_mediachg(&sc->sc_mii); 3394 } 3395 return (0); 3396 } 3397 3398 /* 3399 * tlp_bitbang_mii_readreg: 3400 * 3401 * Read a PHY register via bit-bang'ing the MII. 3402 */ 3403 static int 3404 tlp_bitbang_mii_readreg(struct device *self, int phy, int reg) 3405 { 3406 struct tulip_softc *sc = (void *) self; 3407 3408 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3409 } 3410 3411 /* 3412 * tlp_bitbang_mii_writereg: 3413 * 3414 * Write a PHY register via bit-bang'ing the MII. 3415 */ 3416 static void 3417 tlp_bitbang_mii_writereg(struct device *self, int phy, int reg, int val) 3418 { 3419 struct tulip_softc *sc = (void *) self; 3420 3421 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3422 } 3423 3424 /* 3425 * tlp_sio_mii_bitbang_read: 3426 * 3427 * Read the MII serial port for the MII bit-bang module. 3428 */ 3429 static u_int32_t 3430 tlp_sio_mii_bitbang_read(struct device *self) 3431 { 3432 struct tulip_softc *sc = (void *) self; 3433 3434 return (TULIP_READ(sc, CSR_MIIROM)); 3435 } 3436 3437 /* 3438 * tlp_sio_mii_bitbang_write: 3439 * 3440 * Write the MII serial port for the MII bit-bang module. 3441 */ 3442 static void 3443 tlp_sio_mii_bitbang_write(struct device *self, u_int32_t val) 3444 { 3445 struct tulip_softc *sc = (void *) self; 3446 3447 TULIP_WRITE(sc, CSR_MIIROM, val); 3448 } 3449 3450 /* 3451 * tlp_pnic_mii_readreg: 3452 * 3453 * Read a PHY register on the Lite-On PNIC. 3454 */ 3455 static int 3456 tlp_pnic_mii_readreg(struct device *self, int phy, int reg) 3457 { 3458 struct tulip_softc *sc = (void *) self; 3459 u_int32_t val; 3460 int i; 3461 3462 TULIP_WRITE(sc, CSR_PNIC_MII, 3463 PNIC_MII_MBO | PNIC_MII_RESERVED | 3464 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3465 (reg << PNIC_MII_REGSHIFT)); 3466 3467 for (i = 0; i < 1000; i++) { 3468 delay(10); 3469 val = TULIP_READ(sc, CSR_PNIC_MII); 3470 if ((val & PNIC_MII_BUSY) == 0) { 3471 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3472 return (0); 3473 else 3474 return (val & PNIC_MII_DATA); 3475 } 3476 } 3477 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3478 return (0); 3479 } 3480 3481 /* 3482 * tlp_pnic_mii_writereg: 3483 * 3484 * Write a PHY register on the Lite-On PNIC. 3485 */ 3486 static void 3487 tlp_pnic_mii_writereg(struct device *self, int phy, int reg, int val) 3488 { 3489 struct tulip_softc *sc = (void *) self; 3490 int i; 3491 3492 TULIP_WRITE(sc, CSR_PNIC_MII, 3493 PNIC_MII_MBO | PNIC_MII_RESERVED | 3494 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3495 (reg << PNIC_MII_REGSHIFT) | val); 3496 3497 for (i = 0; i < 1000; i++) { 3498 delay(10); 3499 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3500 return; 3501 } 3502 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3503 } 3504 3505 static const bus_addr_t tlp_al981_phy_regmap[] = { 3506 CSR_ADM_BMCR, 3507 CSR_ADM_BMSR, 3508 CSR_ADM_PHYIDR1, 3509 CSR_ADM_PHYIDR2, 3510 CSR_ADM_ANAR, 3511 CSR_ADM_ANLPAR, 3512 CSR_ADM_ANER, 3513 3514 CSR_ADM_XMC, 3515 CSR_ADM_XCIIS, 3516 CSR_ADM_XIE, 3517 CSR_ADM_100CTR, 3518 }; 3519 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3520 sizeof(tlp_al981_phy_regmap[0]); 3521 3522 /* 3523 * tlp_al981_mii_readreg: 3524 * 3525 * Read a PHY register on the ADMtek AL981. 3526 */ 3527 static int 3528 tlp_al981_mii_readreg(struct device *self, int phy, int reg) 3529 { 3530 struct tulip_softc *sc = (struct tulip_softc *)self; 3531 3532 /* AL981 only has an internal PHY. */ 3533 if (phy != 0) 3534 return (0); 3535 3536 if (reg >= tlp_al981_phy_regmap_size) 3537 return (0); 3538 3539 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3540 tlp_al981_phy_regmap[reg]) & 0xffff); 3541 } 3542 3543 /* 3544 * tlp_al981_mii_writereg: 3545 * 3546 * Write a PHY register on the ADMtek AL981. 3547 */ 3548 static void 3549 tlp_al981_mii_writereg(struct device *self, int phy, int reg, int val) 3550 { 3551 struct tulip_softc *sc = (struct tulip_softc *)self; 3552 3553 /* AL981 only has an internal PHY. */ 3554 if (phy != 0) 3555 return; 3556 3557 if (reg >= tlp_al981_phy_regmap_size) 3558 return; 3559 3560 bus_space_write_4(sc->sc_st, sc->sc_sh, 3561 tlp_al981_phy_regmap[reg], val); 3562 } 3563 3564 /***************************************************************************** 3565 * Chip-specific pre-init and reset functions. 3566 *****************************************************************************/ 3567 3568 /* 3569 * tlp_2114x_preinit: 3570 * 3571 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3572 */ 3573 static void 3574 tlp_2114x_preinit(struct tulip_softc *sc) 3575 { 3576 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3577 struct tulip_21x4x_media *tm = ife->ifm_aux; 3578 3579 /* 3580 * Whether or not we're in MII or SIA/SYM mode, the media info 3581 * contains the appropriate OPMODE bits. 3582 * 3583 * Also, we always set the Must-Be-One bit. 3584 */ 3585 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3586 3587 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3588 } 3589 3590 /* 3591 * tlp_2114x_mii_preinit: 3592 * 3593 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3594 * This version is used by boards which only have MII and don't have 3595 * an ISV SROM. 3596 */ 3597 static void 3598 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3599 { 3600 3601 /* 3602 * Always set the Must-Be-One bit, and Port Select (to select MII). 3603 * We'll never be called during a media change. 3604 */ 3605 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3606 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3607 } 3608 3609 /* 3610 * tlp_pnic_preinit: 3611 * 3612 * Pre-init function for the Lite-On 82c168 and 82c169. 3613 */ 3614 static void 3615 tlp_pnic_preinit(struct tulip_softc *sc) 3616 { 3617 3618 if (sc->sc_flags & TULIPF_HAS_MII) { 3619 /* 3620 * MII case: just set the port-select bit; we will never 3621 * be called during a media change. 3622 */ 3623 sc->sc_opmode |= OPMODE_PS; 3624 } else { 3625 /* 3626 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3627 */ 3628 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3629 } 3630 } 3631 3632 /* 3633 * tlp_asix_preinit: 3634 * 3635 * Pre-init function for the ASIX chipsets. 3636 */ 3637 static void 3638 tlp_asix_preinit(struct tulip_softc *sc) 3639 { 3640 3641 switch (sc->sc_chip) { 3642 case TULIP_CHIP_AX88140: 3643 case TULIP_CHIP_AX88141: 3644 /* XXX Handle PHY. */ 3645 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3646 break; 3647 default: 3648 /* Nothing */ 3649 break; 3650 } 3651 3652 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3653 } 3654 3655 /* 3656 * tlp_dm9102_preinit: 3657 * 3658 * Pre-init function for the Davicom DM9102. 3659 */ 3660 static void 3661 tlp_dm9102_preinit(struct tulip_softc *sc) 3662 { 3663 3664 switch (sc->sc_chip) { 3665 case TULIP_CHIP_DM9102: 3666 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3667 break; 3668 3669 case TULIP_CHIP_DM9102A: 3670 /* 3671 * XXX Figure out how to actually deal with the HomePNA 3672 * XXX portion of the DM9102A. 3673 */ 3674 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3675 break; 3676 3677 default: 3678 /* Nothing. */ 3679 break; 3680 } 3681 3682 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3683 } 3684 3685 /* 3686 * tlp_21140_reset: 3687 * 3688 * Issue a reset sequence on the 21140 via the GPIO facility. 3689 */ 3690 static void 3691 tlp_21140_reset(struct tulip_softc *sc) 3692 { 3693 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3694 struct tulip_21x4x_media *tm = ife->ifm_aux; 3695 int i; 3696 3697 /* First, set the direction on the GPIO pins. */ 3698 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3699 3700 /* Now, issue the reset sequence. */ 3701 for (i = 0; i < tm->tm_reset_length; i++) { 3702 delay(10); 3703 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3704 } 3705 3706 /* Now, issue the selection sequence. */ 3707 for (i = 0; i < tm->tm_gp_length; i++) { 3708 delay(10); 3709 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3710 } 3711 3712 /* If there were no sequences, just lower the pins. */ 3713 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3714 delay(10); 3715 TULIP_WRITE(sc, CSR_GPP, 0); 3716 } 3717 } 3718 3719 /* 3720 * tlp_21142_reset: 3721 * 3722 * Issue a reset sequence on the 21142 via the GPIO facility. 3723 */ 3724 static void 3725 tlp_21142_reset(struct tulip_softc *sc) 3726 { 3727 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3728 struct tulip_21x4x_media *tm = ife->ifm_aux; 3729 const u_int8_t *cp; 3730 int i; 3731 3732 cp = &sc->sc_srom[tm->tm_reset_offset]; 3733 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3734 delay(10); 3735 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3736 } 3737 3738 cp = &sc->sc_srom[tm->tm_gp_offset]; 3739 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3740 delay(10); 3741 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3742 } 3743 3744 /* If there were no sequences, just lower the pins. */ 3745 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3746 delay(10); 3747 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3748 } 3749 } 3750 3751 /* 3752 * tlp_pmac_reset: 3753 * 3754 * Reset routine for Macronix chips. 3755 */ 3756 static void 3757 tlp_pmac_reset(struct tulip_softc *sc) 3758 { 3759 3760 switch (sc->sc_chip) { 3761 case TULIP_CHIP_82C115: 3762 case TULIP_CHIP_MX98715: 3763 case TULIP_CHIP_MX98715A: 3764 case TULIP_CHIP_MX98725: 3765 /* 3766 * Set the LED operating mode. This information is located 3767 * in the EEPROM at byte offset 0x77, per the MX98715A and 3768 * MX98725 application notes. 3769 */ 3770 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3771 break; 3772 case TULIP_CHIP_MX98715AEC_X: 3773 /* 3774 * Set the LED operating mode. This information is located 3775 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3776 * application note. 3777 */ 3778 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3779 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3780 break; 3781 3782 default: 3783 /* Nothing. */ 3784 break; 3785 } 3786 } 3787 3788 #if 0 3789 /* 3790 * tlp_dm9102_reset: 3791 * 3792 * Reset routine for the Davicom DM9102. 3793 */ 3794 static void 3795 tlp_dm9102_reset(struct tulip_softc *sc) 3796 { 3797 3798 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3799 delay(100); 3800 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3801 } 3802 #endif 3803 3804 /***************************************************************************** 3805 * Chip/board-specific media switches. The ones here are ones that 3806 * are potentially common to multiple front-ends. 3807 *****************************************************************************/ 3808 3809 /* 3810 * This table is a common place for all sorts of media information, 3811 * keyed off of the SROM media code for that media. 3812 * 3813 * Note that we explicitly configure the 21142/21143 to always advertise 3814 * NWay capabilities when using the UTP port. 3815 * XXX Actually, we don't yet. 3816 */ 3817 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3818 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3819 "10baseT", 3820 OPMODE_TTM, 3821 BMSR_10THDX, 3822 { SIACONN_21040_10BASET, 3823 SIATXRX_21040_10BASET, 3824 SIAGEN_21040_10BASET }, 3825 3826 { SIACONN_21041_10BASET, 3827 SIATXRX_21041_10BASET, 3828 SIAGEN_21041_10BASET }, 3829 3830 { SIACONN_21142_10BASET, 3831 SIATXRX_21142_10BASET, 3832 SIAGEN_21142_10BASET } }, 3833 3834 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3835 "10base2", 3836 0, 3837 0, 3838 { 0, 3839 0, 3840 0 }, 3841 3842 { SIACONN_21041_BNC, 3843 SIATXRX_21041_BNC, 3844 SIAGEN_21041_BNC }, 3845 3846 { SIACONN_21142_BNC, 3847 SIATXRX_21142_BNC, 3848 SIAGEN_21142_BNC } }, 3849 3850 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3851 "10base5", 3852 0, 3853 0, 3854 { SIACONN_21040_AUI, 3855 SIATXRX_21040_AUI, 3856 SIAGEN_21040_AUI }, 3857 3858 { SIACONN_21041_AUI, 3859 SIATXRX_21041_AUI, 3860 SIAGEN_21041_AUI }, 3861 3862 { SIACONN_21142_AUI, 3863 SIATXRX_21142_AUI, 3864 SIAGEN_21142_AUI } }, 3865 3866 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3867 "100baseTX", 3868 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3869 BMSR_100TXHDX, 3870 { 0, 3871 0, 3872 0 }, 3873 3874 { 0, 3875 0, 3876 0 }, 3877 3878 { 0, 3879 0, 3880 SIAGEN_ABM } }, 3881 3882 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3883 "10baseT-FDX", 3884 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3885 BMSR_10TFDX, 3886 { SIACONN_21040_10BASET_FDX, 3887 SIATXRX_21040_10BASET_FDX, 3888 SIAGEN_21040_10BASET_FDX }, 3889 3890 { SIACONN_21041_10BASET_FDX, 3891 SIATXRX_21041_10BASET_FDX, 3892 SIAGEN_21041_10BASET_FDX }, 3893 3894 { SIACONN_21142_10BASET_FDX, 3895 SIATXRX_21142_10BASET_FDX, 3896 SIAGEN_21142_10BASET_FDX } }, 3897 3898 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3899 "100baseTX-FDX", 3900 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3901 BMSR_100TXFDX, 3902 { 0, 3903 0, 3904 0 }, 3905 3906 { 0, 3907 0, 3908 0 }, 3909 3910 { 0, 3911 0, 3912 SIAGEN_ABM } }, 3913 3914 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3915 "100baseT4", 3916 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3917 BMSR_100T4, 3918 { 0, 3919 0, 3920 0 }, 3921 3922 { 0, 3923 0, 3924 0 }, 3925 3926 { 0, 3927 0, 3928 SIAGEN_ABM } }, 3929 3930 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3931 "100baseFX", 3932 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3933 0, 3934 { 0, 3935 0, 3936 0 }, 3937 3938 { 0, 3939 0, 3940 0 }, 3941 3942 { 0, 3943 0, 3944 SIAGEN_ABM } }, 3945 3946 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3947 "100baseFX-FDX", 3948 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3949 0, 3950 { 0, 3951 0, 3952 0 }, 3953 3954 { 0, 3955 0, 3956 0 }, 3957 3958 { 0, 3959 0, 3960 SIAGEN_ABM } }, 3961 3962 { 0, 0, 0, 3963 NULL, 3964 0, 3965 0, 3966 { 0, 3967 0, 3968 0 }, 3969 3970 { 0, 3971 0, 3972 0 }, 3973 3974 { 0, 3975 0, 3976 0 } }, 3977 }; 3978 3979 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(u_int8_t); 3980 static void tlp_srom_media_info(struct tulip_softc *, 3981 const struct tulip_srom_to_ifmedia *, 3982 struct tulip_21x4x_media *); 3983 static void tlp_add_srom_media(struct tulip_softc *, int, 3984 void (*)(struct tulip_softc *, struct ifmediareq *), 3985 int (*)(struct tulip_softc *), const u_int8_t *, int); 3986 static void tlp_print_media(struct tulip_softc *); 3987 static void tlp_nway_activate(struct tulip_softc *, int); 3988 static void tlp_get_minst(struct tulip_softc *); 3989 3990 static const struct tulip_srom_to_ifmedia * 3991 tlp_srom_to_ifmedia(u_int8_t sm) 3992 { 3993 const struct tulip_srom_to_ifmedia *tsti; 3994 3995 for (tsti = tulip_srom_to_ifmedia_table; 3996 tsti->tsti_name != NULL; tsti++) { 3997 if (tsti->tsti_srom == sm) 3998 return (tsti); 3999 } 4000 4001 return (NULL); 4002 } 4003 4004 static void 4005 tlp_srom_media_info(struct tulip_softc *sc, 4006 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 4007 { 4008 4009 tm->tm_name = tsti->tsti_name; 4010 tm->tm_opmode = tsti->tsti_opmode; 4011 4012 sc->sc_sia_cap |= tsti->tsti_sia_cap; 4013 4014 switch (sc->sc_chip) { 4015 case TULIP_CHIP_DE425: 4016 case TULIP_CHIP_21040: 4017 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 4018 break; 4019 4020 case TULIP_CHIP_21041: 4021 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 4022 break; 4023 4024 case TULIP_CHIP_21142: 4025 case TULIP_CHIP_21143: 4026 case TULIP_CHIP_82C115: 4027 case TULIP_CHIP_MX98715: 4028 case TULIP_CHIP_MX98715A: 4029 case TULIP_CHIP_MX98715AEC_X: 4030 case TULIP_CHIP_MX98725: 4031 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 4032 break; 4033 4034 default: 4035 /* Nothing. */ 4036 break; 4037 } 4038 } 4039 4040 static void 4041 tlp_add_srom_media(struct tulip_softc *sc, int type, 4042 void (*get)(struct tulip_softc *, struct ifmediareq *), 4043 int (*set)(struct tulip_softc *), const u_int8_t *list, 4044 int cnt) 4045 { 4046 struct tulip_21x4x_media *tm; 4047 const struct tulip_srom_to_ifmedia *tsti; 4048 int i; 4049 4050 for (i = 0; i < cnt; i++) { 4051 tsti = tlp_srom_to_ifmedia(list[i]); 4052 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4053 tlp_srom_media_info(sc, tsti, tm); 4054 tm->tm_type = type; 4055 tm->tm_get = get; 4056 tm->tm_set = set; 4057 4058 ifmedia_add(&sc->sc_mii.mii_media, 4059 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4060 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4061 } 4062 } 4063 4064 static void 4065 tlp_print_media(struct tulip_softc *sc) 4066 { 4067 struct ifmedia_entry *ife; 4068 struct tulip_21x4x_media *tm; 4069 const char *sep = ""; 4070 4071 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 4072 4073 printf("%s: ", sc->sc_dev.dv_xname); 4074 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4075 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4076 tm = ife->ifm_aux; 4077 if (tm == NULL) { 4078 #ifdef DIAGNOSTIC 4079 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4080 panic("tlp_print_media"); 4081 #endif 4082 PRINT("auto"); 4083 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4084 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4085 PRINT(tm->tm_name); 4086 } 4087 } 4088 printf("\n"); 4089 4090 #undef PRINT 4091 } 4092 4093 static void 4094 tlp_nway_activate(struct tulip_softc *sc, int media) 4095 { 4096 struct ifmedia_entry *ife; 4097 4098 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4099 #ifdef DIAGNOSTIC 4100 if (ife == NULL) 4101 panic("tlp_nway_activate"); 4102 #endif 4103 sc->sc_nway_active = ife; 4104 } 4105 4106 static void 4107 tlp_get_minst(struct tulip_softc *sc) 4108 { 4109 4110 if ((sc->sc_media_seen & 4111 ~((1 << TULIP_ROM_MB_21140_MII) | 4112 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4113 /* 4114 * We have not yet seen any SIA/SYM media (but are 4115 * about to; that's why we're called!), so assign 4116 * the current media instance to be the `internal media' 4117 * instance, and advance it so any MII media gets a 4118 * fresh one (used to selecting/isolating a PHY). 4119 */ 4120 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4121 } 4122 } 4123 4124 /* 4125 * SIA Utility functions. 4126 */ 4127 static void tlp_sia_update_link(struct tulip_softc *); 4128 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4129 static int tlp_sia_set(struct tulip_softc *); 4130 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4131 static void tlp_sia_fixup(struct tulip_softc *); 4132 4133 static void 4134 tlp_sia_update_link(struct tulip_softc *sc) 4135 { 4136 struct ifmedia_entry *ife; 4137 struct tulip_21x4x_media *tm; 4138 u_int32_t siastat; 4139 4140 ife = TULIP_CURRENT_MEDIA(sc); 4141 tm = ife->ifm_aux; 4142 4143 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4144 4145 siastat = TULIP_READ(sc, CSR_SIASTAT); 4146 4147 /* 4148 * Note that when we do SIA link tests, we are assuming that 4149 * the chip is really in the mode that the current media setting 4150 * reflects. If we're not, then the link tests will not be 4151 * accurate! 4152 */ 4153 switch (IFM_SUBTYPE(ife->ifm_media)) { 4154 case IFM_10_T: 4155 sc->sc_flags |= TULIPF_LINK_VALID; 4156 if ((siastat & SIASTAT_LS10) == 0) 4157 sc->sc_flags |= TULIPF_LINK_UP; 4158 break; 4159 4160 case IFM_100_TX: 4161 case IFM_100_T4: 4162 sc->sc_flags |= TULIPF_LINK_VALID; 4163 if ((siastat & SIASTAT_LS100) == 0) 4164 sc->sc_flags |= TULIPF_LINK_UP; 4165 break; 4166 } 4167 4168 switch (sc->sc_chip) { 4169 case TULIP_CHIP_21142: 4170 case TULIP_CHIP_21143: 4171 /* 4172 * On these chips, we can tell more information about 4173 * AUI/BNC. Note that the AUI/BNC selection is made 4174 * in a different register; for our purpose, it's all 4175 * AUI. 4176 */ 4177 switch (IFM_SUBTYPE(ife->ifm_media)) { 4178 case IFM_10_2: 4179 case IFM_10_5: 4180 sc->sc_flags |= TULIPF_LINK_VALID; 4181 if (siastat & SIASTAT_ARA) { 4182 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4183 sc->sc_flags |= TULIPF_LINK_UP; 4184 } 4185 break; 4186 4187 default: 4188 /* 4189 * If we're SYM media and can detect the link 4190 * via the GPIO facility, prefer that status 4191 * over LS100. 4192 */ 4193 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4194 tm->tm_actmask != 0) { 4195 sc->sc_flags = (sc->sc_flags & 4196 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4197 if (TULIP_ISSET(sc, CSR_SIAGEN, 4198 tm->tm_actmask) == tm->tm_actdata) 4199 sc->sc_flags |= TULIPF_LINK_UP; 4200 } 4201 } 4202 break; 4203 4204 default: 4205 /* Nothing. */ 4206 break; 4207 } 4208 } 4209 4210 static void 4211 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4212 { 4213 struct ifmedia_entry *ife; 4214 4215 ifmr->ifm_status = 0; 4216 4217 tlp_sia_update_link(sc); 4218 4219 ife = TULIP_CURRENT_MEDIA(sc); 4220 4221 if (sc->sc_flags & TULIPF_LINK_VALID) 4222 ifmr->ifm_status |= IFM_AVALID; 4223 if (sc->sc_flags & TULIPF_LINK_UP) 4224 ifmr->ifm_status |= IFM_ACTIVE; 4225 ifmr->ifm_active = ife->ifm_media; 4226 } 4227 4228 static void 4229 tlp_sia_fixup(struct tulip_softc *sc) 4230 { 4231 struct ifmedia_entry *ife; 4232 struct tulip_21x4x_media *tm; 4233 u_int32_t siaconn, siatxrx, siagen; 4234 4235 switch (sc->sc_chip) { 4236 case TULIP_CHIP_82C115: 4237 case TULIP_CHIP_MX98713A: 4238 case TULIP_CHIP_MX98715: 4239 case TULIP_CHIP_MX98715A: 4240 case TULIP_CHIP_MX98715AEC_X: 4241 case TULIP_CHIP_MX98725: 4242 siaconn = PMAC_SIACONN_MASK; 4243 siatxrx = PMAC_SIATXRX_MASK; 4244 siagen = PMAC_SIAGEN_MASK; 4245 break; 4246 4247 default: 4248 /* No fixups required on any other chips. */ 4249 return; 4250 } 4251 4252 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4253 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4254 tm = ife->ifm_aux; 4255 if (tm == NULL) 4256 continue; 4257 4258 tm->tm_siaconn &= siaconn; 4259 tm->tm_siatxrx &= siatxrx; 4260 tm->tm_siagen &= siagen; 4261 } 4262 } 4263 4264 static int 4265 tlp_sia_set(struct tulip_softc *sc) 4266 { 4267 4268 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4269 } 4270 4271 static int 4272 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4273 { 4274 struct tulip_21x4x_media *tm; 4275 4276 tm = ife->ifm_aux; 4277 4278 /* 4279 * XXX This appears to be necessary on a bunch of the clone chips. 4280 */ 4281 delay(20000); 4282 4283 /* 4284 * Idle the chip. 4285 */ 4286 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4287 4288 /* 4289 * Program the SIA. It's important to write in this order, 4290 * resetting the SIA first. 4291 */ 4292 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4293 delay(1000); 4294 4295 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4296 4297 switch (sc->sc_chip) { 4298 case TULIP_CHIP_21142: 4299 case TULIP_CHIP_21143: 4300 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4301 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4302 break; 4303 default: 4304 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4305 } 4306 4307 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4308 4309 /* 4310 * Set the OPMODE bits for this media and write OPMODE. 4311 * This will resume the transmit and receive processes. 4312 */ 4313 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4314 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4315 4316 return (0); 4317 } 4318 4319 /* 4320 * 21140 GPIO utility functions. 4321 */ 4322 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4323 4324 static void 4325 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4326 { 4327 struct ifmedia_entry *ife; 4328 struct tulip_21x4x_media *tm; 4329 4330 ife = TULIP_CURRENT_MEDIA(sc); 4331 tm = ife->ifm_aux; 4332 4333 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4334 4335 if (tm->tm_actmask != 0) { 4336 sc->sc_flags |= TULIPF_LINK_VALID; 4337 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4338 tm->tm_actdata) 4339 sc->sc_flags |= TULIPF_LINK_UP; 4340 } 4341 } 4342 4343 void 4344 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4345 { 4346 struct ifmedia_entry *ife; 4347 4348 ifmr->ifm_status = 0; 4349 4350 tlp_21140_gpio_update_link(sc); 4351 4352 ife = TULIP_CURRENT_MEDIA(sc); 4353 4354 if (sc->sc_flags & TULIPF_LINK_VALID) 4355 ifmr->ifm_status |= IFM_AVALID; 4356 if (sc->sc_flags & TULIPF_LINK_UP) 4357 ifmr->ifm_status |= IFM_ACTIVE; 4358 ifmr->ifm_active = ife->ifm_media; 4359 } 4360 4361 int 4362 tlp_21140_gpio_set(struct tulip_softc *sc) 4363 { 4364 struct ifmedia_entry *ife; 4365 struct tulip_21x4x_media *tm; 4366 4367 ife = TULIP_CURRENT_MEDIA(sc); 4368 tm = ife->ifm_aux; 4369 4370 /* 4371 * Idle the chip. 4372 */ 4373 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4374 4375 /* 4376 * Set the GPIO pins for this media, to flip any 4377 * relays, etc. 4378 */ 4379 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4380 delay(10); 4381 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4382 4383 /* 4384 * Set the OPMODE bits for this media and write OPMODE. 4385 * This will resume the transmit and receive processes. 4386 */ 4387 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4388 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4389 4390 return (0); 4391 } 4392 4393 /* 4394 * 21040 and 21041 media switches. 4395 */ 4396 static void tlp_21040_tmsw_init(struct tulip_softc *); 4397 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4398 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4399 static void tlp_21041_tmsw_init(struct tulip_softc *); 4400 4401 const struct tulip_mediasw tlp_21040_mediasw = { 4402 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4403 }; 4404 4405 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4406 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4407 }; 4408 4409 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4410 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4411 }; 4412 4413 const struct tulip_mediasw tlp_21041_mediasw = { 4414 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4415 }; 4416 4417 static void 4418 tlp_21040_tmsw_init(struct tulip_softc *sc) 4419 { 4420 static const u_int8_t media[] = { 4421 TULIP_ROM_MB_MEDIA_TP, 4422 TULIP_ROM_MB_MEDIA_TP_FDX, 4423 TULIP_ROM_MB_MEDIA_AUI, 4424 }; 4425 struct tulip_21x4x_media *tm; 4426 4427 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4428 tlp_mediastatus); 4429 4430 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4431 4432 /* 4433 * No SROM type for External SIA. 4434 */ 4435 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4436 tm->tm_name = "manual"; 4437 tm->tm_opmode = 0; 4438 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4439 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4440 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4441 ifmedia_add(&sc->sc_mii.mii_media, 4442 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4443 4444 /* 4445 * XXX Autosense not yet supported. 4446 */ 4447 4448 /* XXX This should be auto-sense. */ 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_tp_tmsw_init(struct tulip_softc *sc) 4456 { 4457 static const u_int8_t media[] = { 4458 TULIP_ROM_MB_MEDIA_TP, 4459 TULIP_ROM_MB_MEDIA_TP_FDX, 4460 }; 4461 4462 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4463 tlp_mediastatus); 4464 4465 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4466 4467 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4468 4469 tlp_print_media(sc); 4470 } 4471 4472 static void 4473 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4474 { 4475 static const u_int8_t media[] = { 4476 TULIP_ROM_MB_MEDIA_AUI, 4477 }; 4478 4479 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4480 tlp_mediastatus); 4481 4482 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4483 4484 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4485 4486 tlp_print_media(sc); 4487 } 4488 4489 static void 4490 tlp_21041_tmsw_init(struct tulip_softc *sc) 4491 { 4492 static const u_int8_t media[] = { 4493 TULIP_ROM_MB_MEDIA_TP, 4494 TULIP_ROM_MB_MEDIA_TP_FDX, 4495 TULIP_ROM_MB_MEDIA_BNC, 4496 TULIP_ROM_MB_MEDIA_AUI, 4497 }; 4498 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4499 const struct tulip_srom_to_ifmedia *tsti; 4500 struct tulip_21x4x_media *tm; 4501 u_int16_t romdef; 4502 u_int8_t mb; 4503 4504 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4505 tlp_mediastatus); 4506 4507 if (tlp_isv_srom(sc->sc_srom) == 0) { 4508 not_isv_srom: 4509 /* 4510 * If we have a board without the standard 21041 SROM format, 4511 * we just assume all media are present and try and pick a 4512 * reasonable default. 4513 */ 4514 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4515 4516 /* 4517 * XXX Autosense not yet supported. 4518 */ 4519 4520 /* XXX This should be auto-sense. */ 4521 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4522 4523 tlp_print_media(sc); 4524 return; 4525 } 4526 4527 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4528 for (i = 0; i < devcnt; i++) { 4529 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4530 break; 4531 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4532 sc->sc_devno) 4533 break; 4534 } 4535 4536 if (i == devcnt) 4537 goto not_isv_srom; 4538 4539 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4540 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4541 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4542 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4543 4544 for (; m_cnt != 0; 4545 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4546 mb = sc->sc_srom[mb_offset]; 4547 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4548 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4549 case TULIP_ROM_MB_MEDIA_TP_FDX: 4550 case TULIP_ROM_MB_MEDIA_TP: 4551 case TULIP_ROM_MB_MEDIA_BNC: 4552 case TULIP_ROM_MB_MEDIA_AUI: 4553 tsti = tlp_srom_to_ifmedia(mb & 4554 TULIP_ROM_MB_MEDIA_CODE); 4555 4556 tlp_srom_media_info(sc, tsti, tm); 4557 4558 /* 4559 * Override our default SIA settings if the 4560 * SROM contains its own. 4561 */ 4562 if (mb & TULIP_ROM_MB_EXT) { 4563 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4564 mb_offset + TULIP_ROM_MB_CSR13); 4565 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4566 mb_offset + TULIP_ROM_MB_CSR14); 4567 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4568 mb_offset + TULIP_ROM_MB_CSR15); 4569 } 4570 4571 ifmedia_add(&sc->sc_mii.mii_media, 4572 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4573 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4574 break; 4575 4576 default: 4577 printf("%s: unknown media code 0x%02x\n", 4578 sc->sc_dev.dv_xname, 4579 mb & TULIP_ROM_MB_MEDIA_CODE); 4580 free(tm, M_DEVBUF); 4581 } 4582 } 4583 4584 /* 4585 * XXX Autosense not yet supported. 4586 */ 4587 4588 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4589 TULIP_ROM_IL_SELECT_CONN_TYPE); 4590 switch (romdef) { 4591 case SELECT_CONN_TYPE_TP: 4592 case SELECT_CONN_TYPE_TP_AUTONEG: 4593 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4594 defmedia = IFM_ETHER|IFM_10_T; 4595 break; 4596 4597 case SELECT_CONN_TYPE_TP_FDX: 4598 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4599 break; 4600 4601 case SELECT_CONN_TYPE_BNC: 4602 defmedia = IFM_ETHER|IFM_10_2; 4603 break; 4604 4605 case SELECT_CONN_TYPE_AUI: 4606 defmedia = IFM_ETHER|IFM_10_5; 4607 break; 4608 #if 0 /* XXX */ 4609 case SELECT_CONN_TYPE_ASENSE: 4610 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4611 defmedia = IFM_ETHER|IFM_AUTO; 4612 break; 4613 #endif 4614 default: 4615 defmedia = 0; 4616 } 4617 4618 if (defmedia == 0) { 4619 /* 4620 * XXX We should default to auto-sense. 4621 */ 4622 defmedia = IFM_ETHER|IFM_10_T; 4623 } 4624 4625 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4626 4627 tlp_print_media(sc); 4628 } 4629 4630 /* 4631 * DECchip 2114x ISV media switch. 4632 */ 4633 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4634 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4635 struct ifmediareq *); 4636 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4637 4638 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4639 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4640 }; 4641 4642 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4643 static int tlp_2114x_nway_set(struct tulip_softc *); 4644 4645 static void tlp_2114x_nway_statchg(struct device *); 4646 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4647 static void tlp_2114x_nway_auto(struct tulip_softc *); 4648 static void tlp_2114x_nway_status(struct tulip_softc *); 4649 4650 static void 4651 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4652 { 4653 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4654 struct ifmedia_entry *ife; 4655 struct mii_softc *phy; 4656 struct tulip_21x4x_media *tm; 4657 const struct tulip_srom_to_ifmedia *tsti; 4658 int i, devcnt, leaf_offset, m_cnt, type, length; 4659 int defmedia, miidef; 4660 u_int16_t word; 4661 u_int8_t *cp, *ncp; 4662 4663 defmedia = miidef = 0; 4664 4665 sc->sc_mii.mii_ifp = ifp; 4666 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4667 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4668 sc->sc_mii.mii_statchg = sc->sc_statchg; 4669 4670 /* 4671 * Ignore `instance'; we may get a mixture of SIA and MII 4672 * media, and `instance' is used to isolate or select the 4673 * PHY on the MII as appropriate. Note that duplicate media 4674 * are disallowed, so ignoring `instance' is safe. 4675 */ 4676 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4677 tlp_mediastatus); 4678 4679 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4680 for (i = 0; i < devcnt; i++) { 4681 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4682 break; 4683 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4684 sc->sc_devno) 4685 break; 4686 } 4687 4688 if (i == devcnt) { 4689 printf("%s: unable to locate info leaf in SROM\n", 4690 sc->sc_dev.dv_xname); 4691 return; 4692 } 4693 4694 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4695 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4696 4697 /* XXX SELECT CONN TYPE */ 4698 4699 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4700 4701 /* 4702 * On some chips, the first thing in the Info Leaf is the 4703 * GPIO pin direction data. 4704 */ 4705 switch (sc->sc_chip) { 4706 case TULIP_CHIP_21140: 4707 case TULIP_CHIP_21140A: 4708 case TULIP_CHIP_MX98713: 4709 case TULIP_CHIP_AX88140: 4710 case TULIP_CHIP_AX88141: 4711 sc->sc_gp_dir = *cp++; 4712 break; 4713 4714 default: 4715 /* Nothing. */ 4716 break; 4717 } 4718 4719 /* Get the media count. */ 4720 m_cnt = *cp++; 4721 4722 if (m_cnt == 0) { 4723 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4724 (*sc->sc_mediasw->tmsw_init)(sc); 4725 return; 4726 } 4727 4728 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4729 /* 4730 * Determine the type and length of this media block. 4731 * The 21143 is spec'd to always use extended format blocks, 4732 * but some cards don't set the bit to indicate this. 4733 * Hopefully there are no cards which really don't use 4734 * extended format blocks. 4735 */ 4736 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4737 length = 4; 4738 type = TULIP_ROM_MB_21140_GPR; 4739 } else { 4740 length = (*cp++ & 0x7f) - 1; 4741 type = *cp++ & 0x3f; 4742 } 4743 4744 /* Compute the start of the next block. */ 4745 ncp = cp + length; 4746 4747 /* Now, parse the block. */ 4748 switch (type) { 4749 case TULIP_ROM_MB_21140_GPR: 4750 tlp_get_minst(sc); 4751 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4752 4753 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4754 4755 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4756 tm->tm_get = tlp_21140_gpio_get; 4757 tm->tm_set = tlp_21140_gpio_set; 4758 4759 /* First is the media type code. */ 4760 tsti = tlp_srom_to_ifmedia(cp[0] & 4761 TULIP_ROM_MB_MEDIA_CODE); 4762 if (tsti == NULL) { 4763 /* Invalid media code. */ 4764 free(tm, M_DEVBUF); 4765 break; 4766 } 4767 4768 /* Get defaults. */ 4769 tlp_srom_media_info(sc, tsti, tm); 4770 4771 /* Next is any GPIO info for this media. */ 4772 tm->tm_gpdata = cp[1]; 4773 4774 /* 4775 * Next is a word containing OPMODE information 4776 * and info on how to detect if this media is 4777 * active. 4778 */ 4779 word = TULIP_ROM_GETW(cp, 2); 4780 tm->tm_opmode &= OPMODE_FD; 4781 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4782 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4783 tm->tm_actmask = 4784 TULIP_ROM_MB_BITPOS(word); 4785 tm->tm_actdata = 4786 (word & TULIP_ROM_MB_POLARITY) ? 4787 0 : tm->tm_actmask; 4788 } 4789 4790 ifmedia_add(&sc->sc_mii.mii_media, 4791 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4792 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4793 break; 4794 4795 case TULIP_ROM_MB_21140_MII: 4796 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4797 4798 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4799 4800 tm->tm_type = TULIP_ROM_MB_21140_MII; 4801 tm->tm_get = tlp_mii_getmedia; 4802 tm->tm_set = tlp_mii_setmedia; 4803 tm->tm_opmode = OPMODE_PS; 4804 4805 if (sc->sc_reset == NULL) 4806 sc->sc_reset = tlp_21140_reset; 4807 4808 /* First is the PHY number. */ 4809 tm->tm_phyno = *cp++; 4810 4811 /* Next is the MII select sequence length and offset. */ 4812 tm->tm_gp_length = *cp++; 4813 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4814 cp += tm->tm_gp_length; 4815 4816 /* Next is the MII reset sequence length and offset. */ 4817 tm->tm_reset_length = *cp++; 4818 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4819 cp += tm->tm_reset_length; 4820 4821 /* 4822 * The following items are left in the media block 4823 * that we don't particularly care about: 4824 * 4825 * capabilities W 4826 * advertisement W 4827 * full duplex W 4828 * tx threshold W 4829 * 4830 * These appear to be bits in the PHY registers, 4831 * which our MII code handles on its own. 4832 */ 4833 4834 /* 4835 * Before we probe the MII bus, we need to reset 4836 * it and issue the selection sequence. 4837 */ 4838 4839 /* Set the direction of the pins... */ 4840 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4841 4842 for (i = 0; i < tm->tm_reset_length; i++) { 4843 delay(10); 4844 TULIP_WRITE(sc, CSR_GPP, 4845 sc->sc_srom[tm->tm_reset_offset + i]); 4846 } 4847 4848 for (i = 0; i < tm->tm_gp_length; i++) { 4849 delay(10); 4850 TULIP_WRITE(sc, CSR_GPP, 4851 sc->sc_srom[tm->tm_gp_offset + i]); 4852 } 4853 4854 /* If there were no sequences, just lower the pins. */ 4855 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4856 delay(10); 4857 TULIP_WRITE(sc, CSR_GPP, 0); 4858 } 4859 4860 /* 4861 * Now, probe the MII for the PHY. Note, we know 4862 * the location of the PHY on the bus, but we don't 4863 * particularly care; the MII code just likes to 4864 * search the whole thing anyhow. 4865 */ 4866 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4867 MII_PHY_ANY, tm->tm_phyno, 0); 4868 4869 /* 4870 * Now, search for the PHY we hopefully just 4871 * configured. If it's not configured into the 4872 * kernel, we lose. The PHY's default media always 4873 * takes priority. 4874 */ 4875 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4876 phy != NULL; 4877 phy = LIST_NEXT(phy, mii_list)) 4878 if (phy->mii_offset == tm->tm_phyno) 4879 break; 4880 if (phy == NULL) { 4881 printf("%s: unable to configure MII\n", 4882 sc->sc_dev.dv_xname); 4883 break; 4884 } 4885 4886 sc->sc_flags |= TULIPF_HAS_MII; 4887 sc->sc_tick = tlp_mii_tick; 4888 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4889 phy->mii_inst); 4890 4891 /* 4892 * Okay, now that we've found the PHY and the MII 4893 * layer has added all of the media associated 4894 * with that PHY, we need to traverse the media 4895 * list, and add our `tm' to each entry's `aux' 4896 * pointer. 4897 * 4898 * We do this by looking for media with our 4899 * PHY's `instance'. 4900 */ 4901 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4902 ife != NULL; 4903 ife = TAILQ_NEXT(ife, ifm_list)) { 4904 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4905 continue; 4906 ife->ifm_aux = tm; 4907 } 4908 break; 4909 4910 case TULIP_ROM_MB_21142_SIA: 4911 tlp_get_minst(sc); 4912 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4913 4914 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4915 4916 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4917 tm->tm_get = tlp_sia_get; 4918 tm->tm_set = tlp_sia_set; 4919 4920 /* First is the media type code. */ 4921 tsti = tlp_srom_to_ifmedia(cp[0] & 4922 TULIP_ROM_MB_MEDIA_CODE); 4923 if (tsti == NULL) { 4924 /* Invalid media code. */ 4925 free(tm, M_DEVBUF); 4926 break; 4927 } 4928 4929 /* Get defaults. */ 4930 tlp_srom_media_info(sc, tsti, tm); 4931 4932 /* 4933 * Override our default SIA settings if the 4934 * SROM contains its own. 4935 */ 4936 if (cp[0] & 0x40) { 4937 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4938 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4939 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4940 cp += 7; 4941 } else 4942 cp++; 4943 4944 /* Next is GPIO control/data. */ 4945 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4946 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4947 4948 ifmedia_add(&sc->sc_mii.mii_media, 4949 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4950 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4951 break; 4952 4953 case TULIP_ROM_MB_21142_MII: 4954 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4955 4956 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4957 4958 tm->tm_type = TULIP_ROM_MB_21142_MII; 4959 tm->tm_get = tlp_mii_getmedia; 4960 tm->tm_set = tlp_mii_setmedia; 4961 tm->tm_opmode = OPMODE_PS; 4962 4963 if (sc->sc_reset == NULL) 4964 sc->sc_reset = tlp_21142_reset; 4965 4966 /* First is the PHY number. */ 4967 tm->tm_phyno = *cp++; 4968 4969 /* Next is the MII select sequence length and offset. */ 4970 tm->tm_gp_length = *cp++; 4971 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4972 cp += tm->tm_gp_length * 2; 4973 4974 /* Next is the MII reset sequence length and offset. */ 4975 tm->tm_reset_length = *cp++; 4976 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4977 cp += tm->tm_reset_length * 2; 4978 4979 /* 4980 * The following items are left in the media block 4981 * that we don't particularly care about: 4982 * 4983 * capabilities W 4984 * advertisement W 4985 * full duplex W 4986 * tx threshold W 4987 * MII interrupt W 4988 * 4989 * These appear to be bits in the PHY registers, 4990 * which our MII code handles on its own. 4991 */ 4992 4993 /* 4994 * Before we probe the MII bus, we need to reset 4995 * it and issue the selection sequence. 4996 */ 4997 4998 cp = &sc->sc_srom[tm->tm_reset_offset]; 4999 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 5000 delay(10); 5001 TULIP_WRITE(sc, CSR_SIAGEN, 5002 TULIP_ROM_GETW(cp, 0) << 16); 5003 } 5004 5005 cp = &sc->sc_srom[tm->tm_gp_offset]; 5006 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 5007 delay(10); 5008 TULIP_WRITE(sc, CSR_SIAGEN, 5009 TULIP_ROM_GETW(cp, 0) << 16); 5010 } 5011 5012 /* If there were no sequences, just lower the pins. */ 5013 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 5014 delay(10); 5015 TULIP_WRITE(sc, CSR_SIAGEN, 0); 5016 } 5017 5018 /* 5019 * Now, probe the MII for the PHY. Note, we know 5020 * the location of the PHY on the bus, but we don't 5021 * particularly care; the MII code just likes to 5022 * search the whole thing anyhow. 5023 */ 5024 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5025 MII_PHY_ANY, tm->tm_phyno, 0); 5026 5027 /* 5028 * Now, search for the PHY we hopefully just 5029 * configured. If it's not configured into the 5030 * kernel, we lose. The PHY's default media always 5031 * takes priority. 5032 */ 5033 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 5034 phy != NULL; 5035 phy = LIST_NEXT(phy, mii_list)) 5036 if (phy->mii_offset == tm->tm_phyno) 5037 break; 5038 if (phy == NULL) { 5039 printf("%s: unable to configure MII\n", 5040 sc->sc_dev.dv_xname); 5041 break; 5042 } 5043 5044 sc->sc_flags |= TULIPF_HAS_MII; 5045 sc->sc_tick = tlp_mii_tick; 5046 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 5047 phy->mii_inst); 5048 5049 /* 5050 * Okay, now that we've found the PHY and the MII 5051 * layer has added all of the media associated 5052 * with that PHY, we need to traverse the media 5053 * list, and add our `tm' to each entry's `aux' 5054 * pointer. 5055 * 5056 * We do this by looking for media with our 5057 * PHY's `instance'. 5058 */ 5059 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5060 ife != NULL; 5061 ife = TAILQ_NEXT(ife, ifm_list)) { 5062 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 5063 continue; 5064 ife->ifm_aux = tm; 5065 } 5066 break; 5067 5068 case TULIP_ROM_MB_21143_SYM: 5069 tlp_get_minst(sc); 5070 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5071 5072 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5073 5074 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5075 tm->tm_get = tlp_sia_get; 5076 tm->tm_set = tlp_sia_set; 5077 5078 /* First is the media type code. */ 5079 tsti = tlp_srom_to_ifmedia(cp[0] & 5080 TULIP_ROM_MB_MEDIA_CODE); 5081 if (tsti == NULL) { 5082 /* Invalid media code. */ 5083 free(tm, M_DEVBUF); 5084 break; 5085 } 5086 5087 /* Get defaults. */ 5088 tlp_srom_media_info(sc, tsti, tm); 5089 5090 /* Next is GPIO control/data. */ 5091 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5092 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5093 5094 /* 5095 * Next is a word containing OPMODE information 5096 * and info on how to detect if this media is 5097 * active. 5098 */ 5099 word = TULIP_ROM_GETW(cp, 5); 5100 tm->tm_opmode &= OPMODE_FD; 5101 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5102 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5103 tm->tm_actmask = 5104 TULIP_ROM_MB_BITPOS(word); 5105 tm->tm_actdata = 5106 (word & TULIP_ROM_MB_POLARITY) ? 5107 0 : tm->tm_actmask; 5108 } 5109 5110 ifmedia_add(&sc->sc_mii.mii_media, 5111 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5112 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5113 break; 5114 5115 case TULIP_ROM_MB_21143_RESET: 5116 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 5117 break; 5118 5119 default: 5120 printf("%s: unknown ISV media block type 0x%02x\n", 5121 sc->sc_dev.dv_xname, type); 5122 } 5123 } 5124 5125 /* 5126 * Deal with the case where no media is configured. 5127 */ 5128 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5129 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 5130 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5131 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5132 return; 5133 } 5134 5135 /* 5136 * Pick the default media. 5137 */ 5138 if (miidef != 0) 5139 defmedia = miidef; 5140 else { 5141 switch (sc->sc_chip) { 5142 case TULIP_CHIP_21140: 5143 case TULIP_CHIP_21140A: 5144 /* XXX should come from SROM */ 5145 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5146 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5147 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5148 /* 5149 * There is not a 10baseT media. 5150 * Fall back to the first found one. 5151 */ 5152 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5153 defmedia = ife->ifm_media; 5154 } 5155 break; 5156 5157 case TULIP_CHIP_21142: 5158 case TULIP_CHIP_21143: 5159 case TULIP_CHIP_MX98713A: 5160 case TULIP_CHIP_MX98715: 5161 case TULIP_CHIP_MX98715A: 5162 case TULIP_CHIP_MX98715AEC_X: 5163 case TULIP_CHIP_MX98725: 5164 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5165 tm->tm_name = "auto"; 5166 tm->tm_get = tlp_2114x_nway_get; 5167 tm->tm_set = tlp_2114x_nway_set; 5168 5169 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5170 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5171 5172 sc->sc_statchg = tlp_2114x_nway_statchg; 5173 sc->sc_tick = tlp_2114x_nway_tick; 5174 break; 5175 5176 default: 5177 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5178 break; 5179 } 5180 } 5181 5182 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5183 5184 /* 5185 * Display any non-MII media we've located. 5186 */ 5187 if (sc->sc_media_seen & 5188 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5189 tlp_print_media(sc); 5190 5191 tlp_sia_fixup(sc); 5192 } 5193 5194 static void 5195 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5196 { 5197 5198 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5199 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5200 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5201 } 5202 5203 static int 5204 tlp_2114x_nway_set(struct tulip_softc *sc) 5205 { 5206 5207 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5208 } 5209 5210 static void 5211 tlp_2114x_nway_statchg(struct device *self) 5212 { 5213 struct tulip_softc *sc = (struct tulip_softc *)self; 5214 struct mii_data *mii = &sc->sc_mii; 5215 struct ifmedia_entry *ife; 5216 5217 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5218 return; 5219 5220 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5221 mii->mii_media.ifm_mask)) == NULL) { 5222 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5223 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5224 panic("tlp_2114x_nway_statchg"); 5225 } 5226 5227 tlp_sia_media(sc, ife); 5228 } 5229 5230 static void 5231 tlp_2114x_nway_tick(void *arg) 5232 { 5233 struct tulip_softc *sc = arg; 5234 struct mii_data *mii = &sc->sc_mii; 5235 int s, ticks; 5236 5237 if (!device_is_active(&sc->sc_dev)) 5238 return; 5239 5240 s = splnet(); 5241 tlp_2114x_nway_service(sc, MII_TICK); 5242 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5243 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5244 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5245 sc->sc_flags |= TULIPF_LINK_UP; 5246 tlp_start(&sc->sc_ethercom.ec_if); 5247 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5248 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5249 sc->sc_flags &= ~TULIPF_LINK_UP; 5250 } 5251 splx(s); 5252 5253 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5254 ticks = hz >> 3; 5255 else 5256 ticks = hz; 5257 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5258 } 5259 5260 /* 5261 * Support for the 2114X internal NWay block. This is constructed 5262 * somewhat like a PHY driver for simplicity. 5263 */ 5264 5265 static int 5266 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5267 { 5268 struct mii_data *mii = &sc->sc_mii; 5269 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5270 5271 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5272 return (0); 5273 5274 switch (cmd) { 5275 case MII_POLLSTAT: 5276 /* Nothing special to do here. */ 5277 break; 5278 5279 case MII_MEDIACHG: 5280 switch (IFM_SUBTYPE(ife->ifm_media)) { 5281 case IFM_AUTO: 5282 goto restart; 5283 default: 5284 /* Manual setting doesn't go through here. */ 5285 printf("tlp_2114x_nway_service: oops!\n"); 5286 return (EINVAL); 5287 } 5288 break; 5289 5290 case MII_TICK: 5291 /* 5292 * Only used for autonegotiation. 5293 */ 5294 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5295 break; 5296 5297 /* 5298 * Check to see if we have link. If we do, we don't 5299 * need to restart the autonegotiation process. 5300 */ 5301 #if 0 5302 if (mii->mii_media_status & IFM_ACTIVE) 5303 #else 5304 if (sc->sc_flags & TULIPF_LINK_UP) 5305 #endif 5306 break; 5307 5308 /* 5309 * Only retry autonegotiation every 5 seconds. 5310 */ 5311 if (++sc->sc_nway_ticks != (5 << 3)) 5312 break; 5313 5314 restart: 5315 sc->sc_nway_ticks = 0; 5316 ife->ifm_data = IFM_NONE; 5317 tlp_2114x_nway_auto(sc); 5318 break; 5319 } 5320 5321 /* Update the media status. */ 5322 tlp_2114x_nway_status(sc); 5323 5324 /* 5325 * Callback if something changed. Manually configuration goes through 5326 * tlp_sia_set() anyway, so ignore that here. 5327 */ 5328 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5329 ife->ifm_data != mii->mii_media_active) { 5330 (*sc->sc_statchg)(&sc->sc_dev); 5331 ife->ifm_data = mii->mii_media_active; 5332 } 5333 return (0); 5334 } 5335 5336 static void 5337 tlp_2114x_nway_auto(struct tulip_softc *sc) 5338 { 5339 uint32_t siastat, siatxrx; 5340 5341 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5342 5343 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5344 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5345 siatxrx = 0xffbf; /* XXX magic number */ 5346 5347 /* Compute the link code word to advertise. */ 5348 if (sc->sc_sia_cap & BMSR_100T4) 5349 siatxrx |= SIATXRX_T4; 5350 if (sc->sc_sia_cap & BMSR_100TXFDX) 5351 siatxrx |= SIATXRX_TXF; 5352 if (sc->sc_sia_cap & BMSR_100TXHDX) 5353 siatxrx |= SIATXRX_THX; 5354 if (sc->sc_sia_cap & BMSR_10TFDX) 5355 sc->sc_opmode |= OPMODE_FD; 5356 if (sc->sc_sia_cap & BMSR_10THDX) 5357 siatxrx |= SIATXRX_TH; 5358 5359 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5360 5361 TULIP_WRITE(sc, CSR_SIACONN, 0); 5362 delay(1000); 5363 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5364 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5365 5366 siastat = TULIP_READ(sc, CSR_SIASTAT); 5367 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5368 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5369 siastat |= SIASTAT_ANS_TXDIS; 5370 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5371 } 5372 5373 static void 5374 tlp_2114x_nway_status(struct tulip_softc *sc) 5375 { 5376 struct mii_data *mii = &sc->sc_mii; 5377 uint32_t siatxrx, siastat, anlpar; 5378 5379 mii->mii_media_status = IFM_AVALID; 5380 mii->mii_media_active = IFM_ETHER; 5381 5382 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5383 return; 5384 5385 siastat = TULIP_READ(sc, CSR_SIASTAT); 5386 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5387 5388 if (siatxrx & SIATXRX_ANE) { 5389 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5390 /* Erg, still trying, I guess... */ 5391 mii->mii_media_active |= IFM_NONE; 5392 return; 5393 } 5394 5395 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5396 mii->mii_media_status |= IFM_ACTIVE; 5397 5398 if (siastat & SIASTAT_LPN) { 5399 anlpar = SIASTAT_GETLPC(siastat); 5400 if (anlpar & ANLPAR_T4 && 5401 sc->sc_sia_cap & BMSR_100T4) 5402 mii->mii_media_active |= IFM_100_T4; 5403 else if (anlpar & ANLPAR_TX_FD && 5404 sc->sc_sia_cap & BMSR_100TXFDX) 5405 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5406 else if (anlpar & ANLPAR_TX && 5407 sc->sc_sia_cap & BMSR_100TXHDX) 5408 mii->mii_media_active |= IFM_100_TX; 5409 else if (anlpar & ANLPAR_10_FD && 5410 sc->sc_sia_cap & BMSR_10TFDX) 5411 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5412 else if (anlpar & ANLPAR_10 && 5413 sc->sc_sia_cap & BMSR_10THDX) 5414 mii->mii_media_active |= IFM_10_T; 5415 else 5416 mii->mii_media_active |= IFM_NONE; 5417 } else { 5418 /* 5419 * If the other side doesn't support NWAY, then the 5420 * best we can do is determine if we have a 10Mbps or 5421 * 100Mbps link. There's no way to know if the link 5422 * is full or half duplex, so we default to half duplex 5423 * and hope that the user is clever enough to manually 5424 * change the media settings if we're wrong. 5425 */ 5426 if ((siastat & SIASTAT_LS100) == 0) 5427 mii->mii_media_active |= IFM_100_TX; 5428 else if ((siastat & SIASTAT_LS10) == 0) 5429 mii->mii_media_active |= IFM_10_T; 5430 else 5431 mii->mii_media_active |= IFM_NONE; 5432 } 5433 } else { 5434 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5435 mii->mii_media_status |= IFM_ACTIVE; 5436 5437 if (sc->sc_opmode & OPMODE_TTM) 5438 mii->mii_media_active |= IFM_10_T; 5439 else 5440 mii->mii_media_active |= IFM_100_TX; 5441 if (sc->sc_opmode & OPMODE_FD) 5442 mii->mii_media_active |= IFM_FDX; 5443 } 5444 } 5445 5446 static void 5447 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5448 { 5449 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5450 struct tulip_21x4x_media *tm = ife->ifm_aux; 5451 5452 (*tm->tm_get)(sc, ifmr); 5453 } 5454 5455 static int 5456 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5457 { 5458 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5459 struct tulip_21x4x_media *tm = ife->ifm_aux; 5460 5461 /* 5462 * Check to see if we need to reset the chip, and do it. The 5463 * reset path will get the OPMODE register right the next 5464 * time through. 5465 */ 5466 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5467 return (tlp_init(&sc->sc_ethercom.ec_if)); 5468 5469 return ((*tm->tm_set)(sc)); 5470 } 5471 5472 /* 5473 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5474 */ 5475 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5476 5477 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5478 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5479 }; 5480 5481 static void 5482 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5483 { 5484 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5485 5486 /* 5487 * We don't attach any media info structures to the ifmedia 5488 * entries, so if we're using a pre-init function that needs 5489 * that info, override it to one that doesn't. 5490 */ 5491 if (sc->sc_preinit == tlp_2114x_preinit) 5492 sc->sc_preinit = tlp_2114x_mii_preinit; 5493 5494 sc->sc_mii.mii_ifp = ifp; 5495 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5496 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5497 sc->sc_mii.mii_statchg = sc->sc_statchg; 5498 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5499 tlp_mediastatus); 5500 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5501 MII_OFFSET_ANY, 0); 5502 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5503 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5504 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5505 } else { 5506 sc->sc_flags |= TULIPF_HAS_MII; 5507 sc->sc_tick = tlp_mii_tick; 5508 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5509 } 5510 } 5511 5512 /* 5513 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5514 */ 5515 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5516 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5517 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5518 5519 const struct tulip_mediasw tlp_pnic_mediasw = { 5520 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5521 }; 5522 5523 static void tlp_pnic_nway_statchg(struct device *); 5524 static void tlp_pnic_nway_tick(void *); 5525 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5526 static void tlp_pnic_nway_reset(struct tulip_softc *); 5527 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5528 static void tlp_pnic_nway_auto_timeout(void *); 5529 static void tlp_pnic_nway_status(struct tulip_softc *); 5530 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5531 5532 static void 5533 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5534 { 5535 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5536 const char *sep = ""; 5537 5538 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5539 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5540 5541 sc->sc_mii.mii_ifp = ifp; 5542 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5543 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5544 sc->sc_mii.mii_statchg = sc->sc_statchg; 5545 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5546 tlp_mediastatus); 5547 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5548 MII_OFFSET_ANY, 0); 5549 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5550 /* XXX What about AUI/BNC support? */ 5551 printf("%s: ", sc->sc_dev.dv_xname); 5552 5553 tlp_pnic_nway_reset(sc); 5554 5555 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5556 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5557 PRINT("10baseT"); 5558 5559 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5560 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5561 PRINT("10baseT-FDX"); 5562 5563 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5564 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5565 PRINT("100baseTX"); 5566 5567 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5568 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5569 PNIC_NWAY_CAP100TXFDX); 5570 PRINT("100baseTX-FDX"); 5571 5572 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5573 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5574 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5575 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5576 PRINT("auto"); 5577 5578 printf("\n"); 5579 5580 sc->sc_statchg = tlp_pnic_nway_statchg; 5581 sc->sc_tick = tlp_pnic_nway_tick; 5582 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5583 } else { 5584 sc->sc_flags |= TULIPF_HAS_MII; 5585 sc->sc_tick = tlp_mii_tick; 5586 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5587 } 5588 5589 #undef ADD 5590 #undef PRINT 5591 } 5592 5593 static void 5594 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5595 { 5596 struct mii_data *mii = &sc->sc_mii; 5597 5598 if (sc->sc_flags & TULIPF_HAS_MII) 5599 tlp_mii_getmedia(sc, ifmr); 5600 else { 5601 mii->mii_media_status = 0; 5602 mii->mii_media_active = IFM_NONE; 5603 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5604 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5605 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5606 } 5607 } 5608 5609 static int 5610 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5611 { 5612 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5613 struct mii_data *mii = &sc->sc_mii; 5614 5615 if (sc->sc_flags & TULIPF_HAS_MII) { 5616 /* 5617 * Make sure the built-in Tx jabber timer is disabled. 5618 */ 5619 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5620 5621 return (tlp_mii_setmedia(sc)); 5622 } 5623 5624 if (ifp->if_flags & IFF_UP) { 5625 mii->mii_media_status = 0; 5626 mii->mii_media_active = IFM_NONE; 5627 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5628 } 5629 5630 return (0); 5631 } 5632 5633 static void 5634 tlp_pnic_nway_statchg(struct device *self) 5635 { 5636 struct tulip_softc *sc = (struct tulip_softc *)self; 5637 5638 /* Idle the transmit and receive processes. */ 5639 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5640 5641 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5642 OPMODE_SCR|OPMODE_HBD); 5643 5644 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5645 sc->sc_opmode |= OPMODE_TTM; 5646 TULIP_WRITE(sc, CSR_GPP, 5647 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5648 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5649 } else { 5650 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5651 TULIP_WRITE(sc, CSR_GPP, 5652 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5653 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5654 } 5655 5656 if (sc->sc_mii.mii_media_active & IFM_FDX) 5657 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5658 5659 /* 5660 * Write new OPMODE bits. This also restarts the transmit 5661 * and receive processes. 5662 */ 5663 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5664 } 5665 5666 static void 5667 tlp_pnic_nway_tick(void *arg) 5668 { 5669 struct tulip_softc *sc = arg; 5670 int s; 5671 5672 if (!device_is_active(&sc->sc_dev)) 5673 return; 5674 5675 s = splnet(); 5676 tlp_pnic_nway_service(sc, MII_TICK); 5677 splx(s); 5678 5679 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5680 } 5681 5682 /* 5683 * Support for the Lite-On PNIC internal NWay block. This is constructed 5684 * somewhat like a PHY driver for simplicity. 5685 */ 5686 5687 static int 5688 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5689 { 5690 struct mii_data *mii = &sc->sc_mii; 5691 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5692 5693 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5694 return (0); 5695 5696 switch (cmd) { 5697 case MII_POLLSTAT: 5698 /* Nothing special to do here. */ 5699 break; 5700 5701 case MII_MEDIACHG: 5702 switch (IFM_SUBTYPE(ife->ifm_media)) { 5703 case IFM_AUTO: 5704 (void) tlp_pnic_nway_auto(sc, 1); 5705 break; 5706 case IFM_100_T4: 5707 /* 5708 * XXX Not supported as a manual setting right now. 5709 */ 5710 return (EINVAL); 5711 default: 5712 /* 5713 * NWAY register data is stored in the ifmedia entry. 5714 */ 5715 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5716 } 5717 break; 5718 5719 case MII_TICK: 5720 /* 5721 * Only used for autonegotiation. 5722 */ 5723 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5724 return (0); 5725 5726 /* 5727 * Check to see if we have link. If we do, we don't 5728 * need to restart the autonegotiation process. 5729 */ 5730 if (sc->sc_flags & TULIPF_LINK_UP) 5731 return (0); 5732 5733 /* 5734 * Only retry autonegotiation every 5 seconds. 5735 */ 5736 if (++sc->sc_nway_ticks != 5) 5737 return (0); 5738 5739 sc->sc_nway_ticks = 0; 5740 tlp_pnic_nway_reset(sc); 5741 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5742 return (0); 5743 break; 5744 } 5745 5746 /* Update the media status. */ 5747 tlp_pnic_nway_status(sc); 5748 5749 /* Callback if something changed. */ 5750 if ((sc->sc_nway_active == NULL || 5751 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5752 cmd == MII_MEDIACHG) { 5753 (*sc->sc_statchg)(&sc->sc_dev); 5754 tlp_nway_activate(sc, mii->mii_media_active); 5755 } 5756 return (0); 5757 } 5758 5759 static void 5760 tlp_pnic_nway_reset(struct tulip_softc *sc) 5761 { 5762 5763 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5764 delay(100); 5765 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5766 } 5767 5768 static int 5769 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5770 { 5771 struct mii_data *mii = &sc->sc_mii; 5772 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5773 u_int32_t reg; 5774 int i; 5775 5776 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5777 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5778 5779 if (waitfor) { 5780 /* Wait 500ms for it to complete. */ 5781 for (i = 0; i < 500; i++) { 5782 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5783 if (reg & PNIC_NWAY_LPAR_MASK) { 5784 tlp_pnic_nway_acomp(sc); 5785 return (0); 5786 } 5787 delay(1000); 5788 } 5789 #if 0 5790 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5791 printf("%s: autonegotiation failed to complete\n", 5792 sc->sc_dev.dv_xname); 5793 #endif 5794 5795 /* 5796 * Don't need to worry about clearing DOINGAUTO. 5797 * If that's set, a timeout is pending, and it will 5798 * clear the flag. 5799 */ 5800 return (EIO); 5801 } 5802 5803 /* 5804 * Just let it finish asynchronously. This is for the benefit of 5805 * the tick handler driving autonegotiation. Don't want 500ms 5806 * delays all the time while the system is running! 5807 */ 5808 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5809 sc->sc_flags |= TULIPF_DOINGAUTO; 5810 callout_reset(&sc->sc_nway_callout, hz >> 1, 5811 tlp_pnic_nway_auto_timeout, sc); 5812 } 5813 return (EJUSTRETURN); 5814 } 5815 5816 static void 5817 tlp_pnic_nway_auto_timeout(void *arg) 5818 { 5819 struct tulip_softc *sc = arg; 5820 u_int32_t reg; 5821 int s; 5822 5823 s = splnet(); 5824 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5825 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5826 #if 0 5827 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5828 printf("%s: autonegotiation failed to complete\n", 5829 sc->sc_dev.dv_xname); 5830 #endif 5831 5832 tlp_pnic_nway_acomp(sc); 5833 5834 /* Update the media status. */ 5835 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5836 splx(s); 5837 } 5838 5839 static void 5840 tlp_pnic_nway_status(struct tulip_softc *sc) 5841 { 5842 struct mii_data *mii = &sc->sc_mii; 5843 u_int32_t reg; 5844 5845 mii->mii_media_status = IFM_AVALID; 5846 mii->mii_media_active = IFM_ETHER; 5847 5848 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5849 5850 if (sc->sc_flags & TULIPF_LINK_UP) 5851 mii->mii_media_status |= IFM_ACTIVE; 5852 5853 if (reg & PNIC_NWAY_NW) { 5854 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5855 /* Erg, still trying, I guess... */ 5856 mii->mii_media_active |= IFM_NONE; 5857 return; 5858 } 5859 5860 #if 0 5861 if (reg & PNIC_NWAY_LPAR100T4) 5862 mii->mii_media_active |= IFM_100_T4; 5863 else 5864 #endif 5865 if (reg & PNIC_NWAY_LPAR100TXFDX) 5866 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5867 else if (reg & PNIC_NWAY_LPAR100TX) 5868 mii->mii_media_active |= IFM_100_TX; 5869 else if (reg & PNIC_NWAY_LPAR10TFDX) 5870 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5871 else if (reg & PNIC_NWAY_LPAR10T) 5872 mii->mii_media_active |= IFM_10_T; 5873 else 5874 mii->mii_media_active |= IFM_NONE; 5875 } else { 5876 if (reg & PNIC_NWAY_100) 5877 mii->mii_media_active |= IFM_100_TX; 5878 else 5879 mii->mii_media_active |= IFM_10_T; 5880 if (reg & PNIC_NWAY_FD) 5881 mii->mii_media_active |= IFM_FDX; 5882 } 5883 } 5884 5885 static void 5886 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5887 { 5888 u_int32_t reg; 5889 5890 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5891 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5892 5893 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5894 reg |= PNIC_NWAY_100; 5895 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5896 reg |= PNIC_NWAY_FD; 5897 5898 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5899 } 5900 5901 /* 5902 * Macronix PMAC and Lite-On PNIC-II media switch: 5903 * 5904 * MX98713 and MX98713A 21140-like MII or GPIO media. 5905 * 5906 * MX98713A 21143-like MII or SIA/SYM media. 5907 * 5908 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5909 * 82C115, MX98715AEC-C, -E 5910 * 5911 * So, what we do here is fake MII-on-SIO or ISV media info, and 5912 * use the ISV media switch get/set functions to handle the rest. 5913 */ 5914 5915 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5916 5917 const struct tulip_mediasw tlp_pmac_mediasw = { 5918 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5919 }; 5920 5921 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5922 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5923 }; 5924 5925 static void 5926 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5927 { 5928 static const u_int8_t media[] = { 5929 TULIP_ROM_MB_MEDIA_TP, 5930 TULIP_ROM_MB_MEDIA_TP_FDX, 5931 TULIP_ROM_MB_MEDIA_100TX, 5932 TULIP_ROM_MB_MEDIA_100TX_FDX, 5933 }; 5934 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5935 struct tulip_21x4x_media *tm; 5936 5937 sc->sc_mii.mii_ifp = ifp; 5938 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5939 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5940 sc->sc_mii.mii_statchg = sc->sc_statchg; 5941 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5942 tlp_mediastatus); 5943 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5944 sc->sc_chip == TULIP_CHIP_MX98713A) { 5945 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5946 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5947 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5948 sc->sc_flags |= TULIPF_HAS_MII; 5949 sc->sc_tick = tlp_mii_tick; 5950 sc->sc_preinit = tlp_2114x_mii_preinit; 5951 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5952 ifmedia_set(&sc->sc_mii.mii_media, 5953 IFM_ETHER|IFM_AUTO); 5954 return; 5955 } 5956 } 5957 5958 switch (sc->sc_chip) { 5959 case TULIP_CHIP_MX98713: 5960 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5961 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5962 5963 /* 5964 * XXX Should implement auto-sense for this someday, 5965 * XXX when we do the same for the 21140. 5966 */ 5967 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5968 break; 5969 5970 default: 5971 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5972 tlp_sia_get, tlp_sia_set, media, 2); 5973 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5974 tlp_sia_get, tlp_sia_set, media + 2, 2); 5975 5976 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5977 tm->tm_name = "auto"; 5978 tm->tm_get = tlp_2114x_nway_get; 5979 tm->tm_set = tlp_2114x_nway_set; 5980 ifmedia_add(&sc->sc_mii.mii_media, 5981 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5982 5983 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5984 sc->sc_statchg = tlp_2114x_nway_statchg; 5985 sc->sc_tick = tlp_2114x_nway_tick; 5986 break; 5987 } 5988 5989 tlp_print_media(sc); 5990 tlp_sia_fixup(sc); 5991 5992 /* Set the LED modes. */ 5993 tlp_pmac_reset(sc); 5994 5995 sc->sc_reset = tlp_pmac_reset; 5996 } 5997 5998 /* 5999 * ADMtek AL981 media switch. Only has internal PHY. 6000 */ 6001 static void tlp_al981_tmsw_init(struct tulip_softc *); 6002 6003 const struct tulip_mediasw tlp_al981_mediasw = { 6004 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6005 }; 6006 6007 static void 6008 tlp_al981_tmsw_init(struct tulip_softc *sc) 6009 { 6010 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6011 6012 sc->sc_mii.mii_ifp = ifp; 6013 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 6014 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 6015 sc->sc_mii.mii_statchg = sc->sc_statchg; 6016 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6017 tlp_mediastatus); 6018 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6019 MII_OFFSET_ANY, 0); 6020 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6021 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6022 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6023 } else { 6024 sc->sc_flags |= TULIPF_HAS_MII; 6025 sc->sc_tick = tlp_mii_tick; 6026 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6027 } 6028 } 6029 6030 /* 6031 * ADMtek AN983/985 media switch. Only has internal PHY, but 6032 * on an SIO-like interface. Unfortunately, we can't use the 6033 * standard SIO media switch, because the AN985 "ghosts" the 6034 * singly PHY at every address. 6035 */ 6036 static void tlp_an985_tmsw_init(struct tulip_softc *); 6037 6038 const struct tulip_mediasw tlp_an985_mediasw = { 6039 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6040 }; 6041 6042 static void 6043 tlp_an985_tmsw_init(struct tulip_softc *sc) 6044 { 6045 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6046 6047 sc->sc_mii.mii_ifp = ifp; 6048 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6049 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6050 sc->sc_mii.mii_statchg = sc->sc_statchg; 6051 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6052 tlp_mediastatus); 6053 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6054 MII_OFFSET_ANY, 0); 6055 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6056 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6057 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6058 } else { 6059 sc->sc_flags |= TULIPF_HAS_MII; 6060 sc->sc_tick = tlp_mii_tick; 6061 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6062 } 6063 } 6064 6065 /* 6066 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 6067 */ 6068 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 6069 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6070 struct ifmediareq *); 6071 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6072 6073 const struct tulip_mediasw tlp_dm9102_mediasw = { 6074 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6075 tlp_dm9102_tmsw_setmedia 6076 }; 6077 6078 static void 6079 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6080 { 6081 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6082 u_int32_t opmode; 6083 6084 sc->sc_mii.mii_ifp = ifp; 6085 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6086 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6087 sc->sc_mii.mii_statchg = sc->sc_statchg; 6088 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6089 tlp_mediastatus); 6090 6091 /* PHY block already reset via tlp_reset(). */ 6092 6093 /* 6094 * Configure OPMODE properly for the internal MII interface. 6095 */ 6096 switch (sc->sc_chip) { 6097 case TULIP_CHIP_DM9102: 6098 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6099 break; 6100 6101 case TULIP_CHIP_DM9102A: 6102 opmode = OPMODE_MBO|OPMODE_HBD; 6103 break; 6104 6105 default: 6106 opmode = 0; 6107 break; 6108 } 6109 6110 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6111 6112 /* Now, probe the internal MII for the internal PHY. */ 6113 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6114 MII_OFFSET_ANY, 0); 6115 6116 /* 6117 * XXX Figure out what to do about the HomePNA portion 6118 * XXX of the DM9102A. 6119 */ 6120 6121 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6122 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6123 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6124 } else { 6125 sc->sc_flags |= TULIPF_HAS_MII; 6126 sc->sc_tick = tlp_mii_tick; 6127 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6128 } 6129 } 6130 6131 static void 6132 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6133 { 6134 6135 /* XXX HomePNA on DM9102A. */ 6136 tlp_mii_getmedia(sc, ifmr); 6137 } 6138 6139 static int 6140 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6141 { 6142 6143 /* XXX HomePNA on DM9102A. */ 6144 return (tlp_mii_setmedia(sc)); 6145 } 6146 6147 /* 6148 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6149 */ 6150 6151 static void tlp_asix_tmsw_init(struct tulip_softc *); 6152 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6153 struct ifmediareq *); 6154 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6155 6156 const struct tulip_mediasw tlp_asix_mediasw = { 6157 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6158 tlp_asix_tmsw_setmedia 6159 }; 6160 6161 static void 6162 tlp_asix_tmsw_init(struct tulip_softc *sc) 6163 { 6164 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6165 u_int32_t opmode; 6166 6167 sc->sc_mii.mii_ifp = ifp; 6168 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6169 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6170 sc->sc_mii.mii_statchg = sc->sc_statchg; 6171 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6172 tlp_mediastatus); 6173 6174 /* 6175 * Configure OPMODE properly for the internal MII interface. 6176 */ 6177 switch (sc->sc_chip) { 6178 case TULIP_CHIP_AX88140: 6179 case TULIP_CHIP_AX88141: 6180 opmode = OPMODE_HBD|OPMODE_PS; 6181 break; 6182 default: 6183 opmode = 0; 6184 break; 6185 } 6186 6187 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6188 6189 /* Now, probe the internal MII for the internal PHY. */ 6190 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6191 MII_OFFSET_ANY, 0); 6192 6193 /* XXX Figure how to handle the PHY. */ 6194 6195 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6196 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6197 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6198 } else { 6199 sc->sc_flags |= TULIPF_HAS_MII; 6200 sc->sc_tick = tlp_mii_tick; 6201 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6202 } 6203 6204 6205 } 6206 6207 static void 6208 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6209 { 6210 6211 /* XXX PHY handling. */ 6212 tlp_mii_getmedia(sc, ifmr); 6213 } 6214 6215 static int 6216 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6217 { 6218 6219 /* XXX PHY handling. */ 6220 return (tlp_mii_setmedia(sc)); 6221 } 6222 6223 /* 6224 * RS7112 media switch. Handles only MII attached to the SIO. 6225 * We only have a PHY at 1. 6226 */ 6227 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6228 6229 const struct tulip_mediasw tlp_rs7112_mediasw = { 6230 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6231 }; 6232 6233 void 6234 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6235 { 6236 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6237 6238 /* 6239 * We don't attach any media info structures to the ifmedia 6240 * entries, so if we're using a pre-init function that needs 6241 * that info, override it to one that doesn't. 6242 */ 6243 if (sc->sc_preinit == tlp_2114x_preinit) 6244 sc->sc_preinit = tlp_2114x_mii_preinit; 6245 6246 sc->sc_mii.mii_ifp = ifp; 6247 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6248 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6249 sc->sc_mii.mii_statchg = sc->sc_statchg; 6250 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6251 tlp_mediastatus); 6252 6253 /* 6254 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6255 * and 1 (ethernet). We attach ethernet only. 6256 */ 6257 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6258 MII_OFFSET_ANY, 0); 6259 6260 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6261 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6262 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6263 } else { 6264 sc->sc_flags |= TULIPF_HAS_MII; 6265 sc->sc_tick = tlp_mii_tick; 6266 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6267 } 6268 } 6269
Indexes created Tue Sep 23 01:09:51 GMT 2025