tulip.c revision 1.147
1 /* $NetBSD: tulip.c,v 1.147 2006/09/24 03:53:08 jmcneill 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 1.147 2006/09/24 03:53:08 jmcneill 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(sc->sc_dev.dv_xname, 555 tlp_power, sc); 556 if (sc->sc_powerhook == NULL) 557 printf("%s: WARNING: unable to establish power hook\n", 558 sc->sc_dev.dv_xname); 559 return; 560 561 /* 562 * Free any resources we've allocated during the failed attach 563 * attempt. Do this in reverse order and fall through. 564 */ 565 fail_5: 566 for (i = 0; i < TULIP_NRXDESC; i++) { 567 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 568 bus_dmamap_destroy(sc->sc_dmat, 569 sc->sc_rxsoft[i].rxs_dmamap); 570 } 571 fail_4: 572 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 573 if (sc->sc_txsoft[i].txs_dmamap != NULL) 574 bus_dmamap_destroy(sc->sc_dmat, 575 sc->sc_txsoft[i].txs_dmamap); 576 } 577 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 578 fail_3: 579 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 580 fail_2: 581 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 582 sizeof(struct tulip_control_data)); 583 fail_1: 584 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 585 fail_0: 586 return; 587 } 588 589 /* 590 * tlp_activate: 591 * 592 * Handle device activation/deactivation requests. 593 */ 594 int 595 tlp_activate(struct device *self, enum devact act) 596 { 597 struct tulip_softc *sc = (void *) self; 598 int s, error = 0; 599 600 s = splnet(); 601 switch (act) { 602 case DVACT_ACTIVATE: 603 error = EOPNOTSUPP; 604 break; 605 606 case DVACT_DEACTIVATE: 607 if (sc->sc_flags & TULIPF_HAS_MII) 608 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 609 MII_OFFSET_ANY); 610 if_deactivate(&sc->sc_ethercom.ec_if); 611 break; 612 } 613 splx(s); 614 615 return (error); 616 } 617 618 /* 619 * tlp_detach: 620 * 621 * Detach a Tulip interface. 622 */ 623 int 624 tlp_detach(struct tulip_softc *sc) 625 { 626 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 627 struct tulip_rxsoft *rxs; 628 struct tulip_txsoft *txs; 629 int i; 630 631 /* 632 * Succeed now if there isn't any work to do. 633 */ 634 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 635 return (0); 636 637 /* Unhook our tick handler. */ 638 if (sc->sc_tick) 639 callout_stop(&sc->sc_tick_callout); 640 641 if (sc->sc_flags & TULIPF_HAS_MII) { 642 /* Detach all PHYs */ 643 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 644 } 645 646 /* Delete all remaining media. */ 647 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 648 649 #if NRND > 0 650 rnd_detach_source(&sc->sc_rnd_source); 651 #endif 652 ether_ifdetach(ifp); 653 if_detach(ifp); 654 655 for (i = 0; i < TULIP_NRXDESC; i++) { 656 rxs = &sc->sc_rxsoft[i]; 657 if (rxs->rxs_mbuf != NULL) { 658 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 659 m_freem(rxs->rxs_mbuf); 660 rxs->rxs_mbuf = NULL; 661 } 662 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 663 } 664 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 665 txs = &sc->sc_txsoft[i]; 666 if (txs->txs_mbuf != NULL) { 667 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 668 m_freem(txs->txs_mbuf); 669 txs->txs_mbuf = NULL; 670 } 671 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 672 } 673 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 674 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 675 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 676 sizeof(struct tulip_control_data)); 677 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 678 679 shutdownhook_disestablish(sc->sc_sdhook); 680 powerhook_disestablish(sc->sc_powerhook); 681 682 if (sc->sc_srom) 683 free(sc->sc_srom, M_DEVBUF); 684 685 return (0); 686 } 687 688 /* 689 * tlp_shutdown: 690 * 691 * Make sure the interface is stopped at reboot time. 692 */ 693 static void 694 tlp_shutdown(void *arg) 695 { 696 struct tulip_softc *sc = arg; 697 698 tlp_stop(&sc->sc_ethercom.ec_if, 1); 699 } 700 701 /* 702 * tlp_start: [ifnet interface function] 703 * 704 * Start packet transmission on the interface. 705 */ 706 static void 707 tlp_start(struct ifnet *ifp) 708 { 709 struct tulip_softc *sc = ifp->if_softc; 710 struct mbuf *m0, *m; 711 struct tulip_txsoft *txs, *last_txs = NULL; 712 bus_dmamap_t dmamap; 713 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 714 715 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 716 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 717 718 /* 719 * If we want a filter setup, it means no more descriptors were 720 * available for the setup routine. Let it get a chance to wedge 721 * itself into the ring. 722 */ 723 if (sc->sc_flags & TULIPF_WANT_SETUP) 724 ifp->if_flags |= IFF_OACTIVE; 725 726 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 727 return; 728 729 if (sc->sc_tick == tlp_2114x_nway_tick && 730 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 731 return; 732 733 /* 734 * Remember the previous number of free descriptors and 735 * the first descriptor we'll use. 736 */ 737 ofree = sc->sc_txfree; 738 firsttx = sc->sc_txnext; 739 740 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 741 sc->sc_dev.dv_xname, ofree, firsttx)); 742 743 /* 744 * Loop through the send queue, setting up transmit descriptors 745 * until we drain the queue, or use up all available transmit 746 * descriptors. 747 */ 748 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 749 sc->sc_txfree != 0) { 750 /* 751 * Grab a packet off the queue. 752 */ 753 IFQ_POLL(&ifp->if_snd, m0); 754 if (m0 == NULL) 755 break; 756 m = NULL; 757 758 dmamap = txs->txs_dmamap; 759 760 /* 761 * Load the DMA map. If this fails, the packet either 762 * didn't fit in the alloted number of segments, or we were 763 * short on resources. In this case, we'll copy and try 764 * again. 765 * 766 * Note that if we're only allowed 1 Tx segment, we 767 * have an alignment restriction. Do this test before 768 * attempting to load the DMA map, because it's more 769 * likely we'll trip the alignment test than the 770 * more-than-one-segment test. 771 */ 772 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 773 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 774 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 775 MGETHDR(m, M_DONTWAIT, MT_DATA); 776 if (m == NULL) { 777 printf("%s: unable to allocate Tx mbuf\n", 778 sc->sc_dev.dv_xname); 779 break; 780 } 781 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 782 if (m0->m_pkthdr.len > MHLEN) { 783 MCLGET(m, M_DONTWAIT); 784 if ((m->m_flags & M_EXT) == 0) { 785 printf("%s: unable to allocate Tx " 786 "cluster\n", sc->sc_dev.dv_xname); 787 m_freem(m); 788 break; 789 } 790 } 791 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 792 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 793 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 794 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 795 if (error) { 796 printf("%s: unable to load Tx buffer, " 797 "error = %d\n", sc->sc_dev.dv_xname, error); 798 break; 799 } 800 } 801 802 /* 803 * Ensure we have enough descriptors free to describe 804 * the packet. 805 */ 806 if (dmamap->dm_nsegs > sc->sc_txfree) { 807 /* 808 * Not enough free descriptors to transmit this 809 * packet. We haven't committed to anything yet, 810 * so just unload the DMA map, put the packet 811 * back on the queue, and punt. Notify the upper 812 * layer that there are no more slots left. 813 * 814 * XXX We could allocate an mbuf and copy, but 815 * XXX it is worth it? 816 */ 817 ifp->if_flags |= IFF_OACTIVE; 818 bus_dmamap_unload(sc->sc_dmat, dmamap); 819 if (m != NULL) 820 m_freem(m); 821 break; 822 } 823 824 IFQ_DEQUEUE(&ifp->if_snd, m0); 825 if (m != NULL) { 826 m_freem(m0); 827 m0 = m; 828 } 829 830 /* 831 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 832 */ 833 834 /* Sync the DMA map. */ 835 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 836 BUS_DMASYNC_PREWRITE); 837 838 /* 839 * Initialize the transmit descriptors. 840 */ 841 for (nexttx = sc->sc_txnext, seg = 0; 842 seg < dmamap->dm_nsegs; 843 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 844 /* 845 * If this is the first descriptor we're 846 * enqueueing, don't set the OWN bit just 847 * yet. That could cause a race condition. 848 * We'll do it below. 849 */ 850 sc->sc_txdescs[nexttx].td_status = 851 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 852 sc->sc_txdescs[nexttx].td_bufaddr1 = 853 htole32(dmamap->dm_segs[seg].ds_addr); 854 sc->sc_txdescs[nexttx].td_ctl = 855 htole32((dmamap->dm_segs[seg].ds_len << 856 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 857 (nexttx == (TULIP_NTXDESC - 1) ? 858 sc->sc_tdctl_er : 0)); 859 lasttx = nexttx; 860 } 861 862 KASSERT(lasttx != -1); 863 864 /* Set `first segment' and `last segment' appropriately. */ 865 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 866 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 867 868 #ifdef TLP_DEBUG 869 if (ifp->if_flags & IFF_DEBUG) { 870 printf(" txsoft %p transmit chain:\n", txs); 871 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 872 printf(" descriptor %d:\n", seg); 873 printf(" td_status: 0x%08x\n", 874 le32toh(sc->sc_txdescs[seg].td_status)); 875 printf(" td_ctl: 0x%08x\n", 876 le32toh(sc->sc_txdescs[seg].td_ctl)); 877 printf(" td_bufaddr1: 0x%08x\n", 878 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 879 printf(" td_bufaddr2: 0x%08x\n", 880 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 881 if (seg == lasttx) 882 break; 883 } 884 } 885 #endif 886 887 /* Sync the descriptors we're using. */ 888 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 889 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 890 891 /* 892 * Store a pointer to the packet so we can free it later, 893 * and remember what txdirty will be once the packet is 894 * done. 895 */ 896 txs->txs_mbuf = m0; 897 txs->txs_firstdesc = sc->sc_txnext; 898 txs->txs_lastdesc = lasttx; 899 txs->txs_ndescs = dmamap->dm_nsegs; 900 901 /* Advance the tx pointer. */ 902 sc->sc_txfree -= dmamap->dm_nsegs; 903 sc->sc_txnext = nexttx; 904 905 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 906 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 907 908 last_txs = txs; 909 910 #if NBPFILTER > 0 911 /* 912 * Pass the packet to any BPF listeners. 913 */ 914 if (ifp->if_bpf) 915 bpf_mtap(ifp->if_bpf, m0); 916 #endif /* NBPFILTER > 0 */ 917 } 918 919 if (txs == NULL || sc->sc_txfree == 0) { 920 /* No more slots left; notify upper layer. */ 921 ifp->if_flags |= IFF_OACTIVE; 922 } 923 924 if (sc->sc_txfree != ofree) { 925 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 926 sc->sc_dev.dv_xname, lasttx, firsttx)); 927 /* 928 * Cause a transmit interrupt to happen on the 929 * last packet we enqueued. 930 */ 931 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 932 TULIP_CDTXSYNC(sc, lasttx, 1, 933 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 934 935 /* 936 * Some clone chips want IC on the *first* segment in 937 * the packet. Appease them. 938 */ 939 KASSERT(last_txs != NULL); 940 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 941 last_txs->txs_firstdesc != lasttx) { 942 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 943 htole32(TDCTL_Tx_IC); 944 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 945 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 946 } 947 948 /* 949 * The entire packet chain is set up. Give the 950 * first descriptor to the chip now. 951 */ 952 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 953 TULIP_CDTXSYNC(sc, firsttx, 1, 954 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 955 956 /* Wake up the transmitter. */ 957 /* XXX USE AUTOPOLLING? */ 958 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 959 960 /* Set a watchdog timer in case the chip flakes out. */ 961 ifp->if_timer = 5; 962 } 963 } 964 965 /* 966 * tlp_watchdog: [ifnet interface function] 967 * 968 * Watchdog timer handler. 969 */ 970 static void 971 tlp_watchdog(struct ifnet *ifp) 972 { 973 struct tulip_softc *sc = ifp->if_softc; 974 int doing_setup, doing_transmit; 975 976 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 977 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 978 979 if (doing_setup && doing_transmit) { 980 printf("%s: filter setup and transmit timeout\n", 981 sc->sc_dev.dv_xname); 982 ifp->if_oerrors++; 983 } else if (doing_transmit) { 984 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 985 ifp->if_oerrors++; 986 } else if (doing_setup) 987 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 988 else 989 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 990 991 (void) tlp_init(ifp); 992 993 /* Try to get more packets going. */ 994 tlp_start(ifp); 995 } 996 997 /* 998 * tlp_ioctl: [ifnet interface function] 999 * 1000 * Handle control requests from the operator. 1001 */ 1002 static int 1003 tlp_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1004 { 1005 struct tulip_softc *sc = ifp->if_softc; 1006 struct ifreq *ifr = (struct ifreq *)data; 1007 int s, error; 1008 1009 s = splnet(); 1010 1011 switch (cmd) { 1012 case SIOCSIFMEDIA: 1013 case SIOCGIFMEDIA: 1014 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1015 break; 1016 case SIOCSIFFLAGS: 1017 /* If the interface is up and running, only modify the receive 1018 * filter when setting promiscuous or debug mode. Otherwise 1019 * fall through to ether_ioctl, which will reset the chip. 1020 */ 1021 #define RESETIGN (IFF_CANTCHANGE|IFF_DEBUG) 1022 if (((ifp->if_flags & (IFF_UP|IFF_RUNNING)) 1023 == (IFF_UP|IFF_RUNNING)) 1024 && ((ifp->if_flags & (~RESETIGN)) 1025 == (sc->sc_if_flags & (~RESETIGN)))) { 1026 /* Set up the receive filter. */ 1027 (*sc->sc_filter_setup)(sc); 1028 error = 0; 1029 break; 1030 #undef RESETIGN 1031 } 1032 /* FALLTHROUGH */ 1033 default: 1034 error = ether_ioctl(ifp, cmd, data); 1035 if (error == ENETRESET) { 1036 if (ifp->if_flags & IFF_RUNNING) { 1037 /* 1038 * Multicast list has changed. Set the 1039 * hardware filter accordingly. 1040 */ 1041 (*sc->sc_filter_setup)(sc); 1042 } 1043 error = 0; 1044 } 1045 break; 1046 } 1047 1048 /* Try to get more packets going. */ 1049 if (TULIP_IS_ENABLED(sc)) 1050 tlp_start(ifp); 1051 1052 sc->sc_if_flags = ifp->if_flags; 1053 splx(s); 1054 return (error); 1055 } 1056 1057 /* 1058 * tlp_intr: 1059 * 1060 * Interrupt service routine. 1061 */ 1062 int 1063 tlp_intr(void *arg) 1064 { 1065 struct tulip_softc *sc = arg; 1066 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1067 u_int32_t status, rxstatus, txstatus; 1068 int handled = 0, txthresh; 1069 1070 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1071 1072 #ifdef DEBUG 1073 if (TULIP_IS_ENABLED(sc) == 0) 1074 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname); 1075 #endif 1076 1077 /* 1078 * If the interface isn't running, the interrupt couldn't 1079 * possibly have come from us. 1080 */ 1081 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1082 !device_is_active(&sc->sc_dev)) 1083 return (0); 1084 1085 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1086 switch (sc->sc_chip) { 1087 case TULIP_CHIP_DM9102: 1088 case TULIP_CHIP_DM9102A: 1089 TULIP_WRITE(sc, CSR_INTEN, 0); 1090 break; 1091 1092 default: 1093 /* Nothing. */ 1094 break; 1095 } 1096 1097 for (;;) { 1098 status = TULIP_READ(sc, CSR_STATUS); 1099 if (status) 1100 TULIP_WRITE(sc, CSR_STATUS, status); 1101 1102 if ((status & sc->sc_inten) == 0) 1103 break; 1104 1105 handled = 1; 1106 1107 rxstatus = status & sc->sc_rxint_mask; 1108 txstatus = status & sc->sc_txint_mask; 1109 1110 if (rxstatus) { 1111 /* Grab new any new packets. */ 1112 tlp_rxintr(sc); 1113 1114 if (rxstatus & STATUS_RWT) 1115 printf("%s: receive watchdog timeout\n", 1116 sc->sc_dev.dv_xname); 1117 1118 if (rxstatus & STATUS_RU) { 1119 printf("%s: receive ring overrun\n", 1120 sc->sc_dev.dv_xname); 1121 /* Get the receive process going again. */ 1122 if (sc->sc_tdctl_er != TDCTL_ER) { 1123 tlp_idle(sc, OPMODE_SR); 1124 TULIP_WRITE(sc, CSR_RXLIST, 1125 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1126 TULIP_WRITE(sc, CSR_OPMODE, 1127 sc->sc_opmode); 1128 } 1129 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1130 break; 1131 } 1132 } 1133 1134 if (txstatus) { 1135 /* Sweep up transmit descriptors. */ 1136 tlp_txintr(sc); 1137 1138 if (txstatus & STATUS_TJT) 1139 printf("%s: transmit jabber timeout\n", 1140 sc->sc_dev.dv_xname); 1141 1142 if (txstatus & STATUS_UNF) { 1143 /* 1144 * Increase our transmit threshold if 1145 * another is available. 1146 */ 1147 txthresh = sc->sc_txthresh + 1; 1148 if (sc->sc_txth[txthresh].txth_name != NULL) { 1149 /* Idle the transmit process. */ 1150 tlp_idle(sc, OPMODE_ST); 1151 1152 sc->sc_txthresh = txthresh; 1153 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1154 sc->sc_opmode |= 1155 sc->sc_txth[txthresh].txth_opmode; 1156 printf("%s: transmit underrun; new " 1157 "threshold: %s\n", 1158 sc->sc_dev.dv_xname, 1159 sc->sc_txth[txthresh].txth_name); 1160 1161 /* 1162 * Set the new threshold and restart 1163 * the transmit process. 1164 */ 1165 TULIP_WRITE(sc, CSR_OPMODE, 1166 sc->sc_opmode); 1167 } 1168 /* 1169 * XXX Log every Nth underrun from 1170 * XXX now on? 1171 */ 1172 } 1173 } 1174 1175 if (status & (STATUS_TPS|STATUS_RPS)) { 1176 if (status & STATUS_TPS) 1177 printf("%s: transmit process stopped\n", 1178 sc->sc_dev.dv_xname); 1179 if (status & STATUS_RPS) 1180 printf("%s: receive process stopped\n", 1181 sc->sc_dev.dv_xname); 1182 (void) tlp_init(ifp); 1183 break; 1184 } 1185 1186 if (status & STATUS_SE) { 1187 const char *str; 1188 switch (status & STATUS_EB) { 1189 case STATUS_EB_PARITY: 1190 str = "parity error"; 1191 break; 1192 1193 case STATUS_EB_MABT: 1194 str = "master abort"; 1195 break; 1196 1197 case STATUS_EB_TABT: 1198 str = "target abort"; 1199 break; 1200 1201 default: 1202 str = "unknown error"; 1203 break; 1204 } 1205 printf("%s: fatal system error: %s\n", 1206 sc->sc_dev.dv_xname, str); 1207 (void) tlp_init(ifp); 1208 break; 1209 } 1210 1211 /* 1212 * Not handled: 1213 * 1214 * Transmit buffer unavailable -- normal 1215 * condition, nothing to do, really. 1216 * 1217 * General purpose timer experied -- we don't 1218 * use the general purpose timer. 1219 * 1220 * Early receive interrupt -- not available on 1221 * all chips, we just use RI. We also only 1222 * use single-segment receive DMA, so this 1223 * is mostly useless. 1224 */ 1225 } 1226 1227 /* Bring interrupts back up on the DM9102. */ 1228 switch (sc->sc_chip) { 1229 case TULIP_CHIP_DM9102: 1230 case TULIP_CHIP_DM9102A: 1231 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1232 break; 1233 1234 default: 1235 /* Nothing. */ 1236 break; 1237 } 1238 1239 /* Try to get more packets going. */ 1240 tlp_start(ifp); 1241 1242 #if NRND > 0 1243 if (handled) 1244 rnd_add_uint32(&sc->sc_rnd_source, status); 1245 #endif 1246 return (handled); 1247 } 1248 1249 /* 1250 * tlp_rxintr: 1251 * 1252 * Helper; handle receive interrupts. 1253 */ 1254 static void 1255 tlp_rxintr(struct tulip_softc *sc) 1256 { 1257 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1258 struct ether_header *eh; 1259 struct tulip_rxsoft *rxs; 1260 struct mbuf *m; 1261 u_int32_t rxstat; 1262 int i, len; 1263 1264 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1265 rxs = &sc->sc_rxsoft[i]; 1266 1267 TULIP_CDRXSYNC(sc, i, 1268 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1269 1270 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1271 1272 if (rxstat & TDSTAT_OWN) { 1273 /* 1274 * We have processed all of the receive buffers. 1275 */ 1276 break; 1277 } 1278 1279 /* 1280 * Make sure the packet fit in one buffer. This should 1281 * always be the case. But the Lite-On PNIC, rev 33 1282 * has an awful receive engine bug, which may require 1283 * a very icky work-around. 1284 */ 1285 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1286 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1287 printf("%s: incoming packet spilled, resetting\n", 1288 sc->sc_dev.dv_xname); 1289 (void) tlp_init(ifp); 1290 return; 1291 } 1292 1293 /* 1294 * If any collisions were seen on the wire, count one. 1295 */ 1296 if (rxstat & TDSTAT_Rx_CS) 1297 ifp->if_collisions++; 1298 1299 /* 1300 * If an error occurred, update stats, clear the status 1301 * word, and leave the packet buffer in place. It will 1302 * simply be reused the next time the ring comes around. 1303 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1304 * error. 1305 */ 1306 if (rxstat & TDSTAT_ES && 1307 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1308 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | 1309 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1310 #define PRINTERR(bit, str) \ 1311 if (rxstat & (bit)) \ 1312 printf("%s: receive error: %s\n", \ 1313 sc->sc_dev.dv_xname, str) 1314 ifp->if_ierrors++; 1315 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1316 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1317 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1318 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1319 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1320 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1321 #undef PRINTERR 1322 TULIP_INIT_RXDESC(sc, i); 1323 continue; 1324 } 1325 1326 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1327 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1328 1329 /* 1330 * No errors; receive the packet. Note the Tulip 1331 * includes the CRC with every packet. 1332 */ 1333 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1334 1335 #ifdef __NO_STRICT_ALIGNMENT 1336 /* 1337 * Allocate a new mbuf cluster. If that fails, we are 1338 * out of memory, and must drop the packet and recycle 1339 * the buffer that's already attached to this descriptor. 1340 */ 1341 m = rxs->rxs_mbuf; 1342 if (tlp_add_rxbuf(sc, i) != 0) { 1343 ifp->if_ierrors++; 1344 TULIP_INIT_RXDESC(sc, i); 1345 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1346 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1347 continue; 1348 } 1349 #else 1350 /* 1351 * The Tulip's receive buffers must be 4-byte aligned. 1352 * But this means that the data after the Ethernet header 1353 * is misaligned. We must allocate a new buffer and 1354 * copy the data, shifted forward 2 bytes. 1355 */ 1356 MGETHDR(m, M_DONTWAIT, MT_DATA); 1357 if (m == NULL) { 1358 dropit: 1359 ifp->if_ierrors++; 1360 TULIP_INIT_RXDESC(sc, i); 1361 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1362 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1363 continue; 1364 } 1365 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1366 if (len > (MHLEN - 2)) { 1367 MCLGET(m, M_DONTWAIT); 1368 if ((m->m_flags & M_EXT) == 0) { 1369 m_freem(m); 1370 goto dropit; 1371 } 1372 } 1373 m->m_data += 2; 1374 1375 /* 1376 * Note that we use clusters for incoming frames, so the 1377 * buffer is virtually contiguous. 1378 */ 1379 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1380 1381 /* Allow the receive descriptor to continue using its mbuf. */ 1382 TULIP_INIT_RXDESC(sc, i); 1383 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1384 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1385 #endif /* __NO_STRICT_ALIGNMENT */ 1386 1387 ifp->if_ipackets++; 1388 eh = mtod(m, struct ether_header *); 1389 m->m_pkthdr.rcvif = ifp; 1390 m->m_pkthdr.len = m->m_len = len; 1391 1392 /* 1393 * XXX Work-around for a weird problem with the emulated 1394 * 21041 on Connectix Virtual PC: 1395 * 1396 * When we receive a full-size TCP segment, we seem to get 1397 * a packet there the Rx status says 1522 bytes, yet we do 1398 * not get a frame-too-long error from the chip. The extra 1399 * bytes seem to always be zeros. Perhaps Virtual PC is 1400 * inserting 4 bytes of zeros after every packet. In any 1401 * case, let's try and detect this condition and truncate 1402 * the length so that it will pass up the stack. 1403 */ 1404 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1405 uint16_t etype = ntohs(eh->ether_type); 1406 1407 if (len > ETHER_MAX_FRAME(ifp, etype, 0)) 1408 m->m_pkthdr.len = m->m_len = len = 1409 ETHER_MAX_FRAME(ifp, etype, 0); 1410 } 1411 1412 #if NBPFILTER > 0 1413 /* 1414 * Pass this up to any BPF listeners, but only 1415 * pass it up the stack if its for us. 1416 */ 1417 if (ifp->if_bpf) 1418 bpf_mtap(ifp->if_bpf, m); 1419 #endif /* NPBFILTER > 0 */ 1420 1421 /* 1422 * We sometimes have to run the 21140 in Hash-Only 1423 * mode. If we're in that mode, and not in promiscuous 1424 * mode, and we have a unicast packet that isn't for 1425 * us, then drop it. 1426 */ 1427 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1428 (ifp->if_flags & IFF_PROMISC) == 0 && 1429 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1430 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1431 ETHER_ADDR_LEN) != 0) { 1432 m_freem(m); 1433 continue; 1434 } 1435 1436 /* Pass it on. */ 1437 (*ifp->if_input)(ifp, m); 1438 } 1439 1440 /* Update the receive pointer. */ 1441 sc->sc_rxptr = i; 1442 } 1443 1444 /* 1445 * tlp_txintr: 1446 * 1447 * Helper; handle transmit interrupts. 1448 */ 1449 static void 1450 tlp_txintr(struct tulip_softc *sc) 1451 { 1452 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1453 struct tulip_txsoft *txs; 1454 u_int32_t txstat; 1455 1456 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1457 sc->sc_dev.dv_xname, sc->sc_flags)); 1458 1459 ifp->if_flags &= ~IFF_OACTIVE; 1460 1461 /* 1462 * Go through our Tx list and free mbufs for those 1463 * frames that have been transmitted. 1464 */ 1465 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1466 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1467 txs->txs_ndescs, 1468 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1469 1470 #ifdef TLP_DEBUG 1471 if (ifp->if_flags & IFF_DEBUG) { 1472 int i; 1473 printf(" txsoft %p transmit chain:\n", txs); 1474 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1475 printf(" descriptor %d:\n", i); 1476 printf(" td_status: 0x%08x\n", 1477 le32toh(sc->sc_txdescs[i].td_status)); 1478 printf(" td_ctl: 0x%08x\n", 1479 le32toh(sc->sc_txdescs[i].td_ctl)); 1480 printf(" td_bufaddr1: 0x%08x\n", 1481 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1482 printf(" td_bufaddr2: 0x%08x\n", 1483 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1484 if (i == txs->txs_lastdesc) 1485 break; 1486 } 1487 } 1488 #endif 1489 1490 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1491 if (txstat & TDSTAT_OWN) 1492 break; 1493 1494 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1495 1496 sc->sc_txfree += txs->txs_ndescs; 1497 1498 if (txs->txs_mbuf == NULL) { 1499 /* 1500 * If we didn't have an mbuf, it was the setup 1501 * packet. 1502 */ 1503 #ifdef DIAGNOSTIC 1504 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1505 panic("tlp_txintr: null mbuf, not doing setup"); 1506 #endif 1507 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1508 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1509 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1510 continue; 1511 } 1512 1513 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1514 0, txs->txs_dmamap->dm_mapsize, 1515 BUS_DMASYNC_POSTWRITE); 1516 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1517 m_freem(txs->txs_mbuf); 1518 txs->txs_mbuf = NULL; 1519 1520 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1521 1522 /* 1523 * Check for errors and collisions. 1524 */ 1525 #ifdef TLP_STATS 1526 if (txstat & TDSTAT_Tx_UF) 1527 sc->sc_stats.ts_tx_uf++; 1528 if (txstat & TDSTAT_Tx_TO) 1529 sc->sc_stats.ts_tx_to++; 1530 if (txstat & TDSTAT_Tx_EC) 1531 sc->sc_stats.ts_tx_ec++; 1532 if (txstat & TDSTAT_Tx_LC) 1533 sc->sc_stats.ts_tx_lc++; 1534 #endif 1535 1536 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1537 ifp->if_oerrors++; 1538 1539 if (txstat & TDSTAT_Tx_EC) 1540 ifp->if_collisions += 16; 1541 else 1542 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1543 if (txstat & TDSTAT_Tx_LC) 1544 ifp->if_collisions++; 1545 1546 ifp->if_opackets++; 1547 } 1548 1549 /* 1550 * If there are no more pending transmissions, cancel the watchdog 1551 * timer. 1552 */ 1553 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1554 ifp->if_timer = 0; 1555 1556 /* 1557 * If we have a receive filter setup pending, do it now. 1558 */ 1559 if (sc->sc_flags & TULIPF_WANT_SETUP) 1560 (*sc->sc_filter_setup)(sc); 1561 } 1562 1563 #ifdef TLP_STATS 1564 void 1565 tlp_print_stats(struct tulip_softc *sc) 1566 { 1567 1568 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1569 sc->sc_dev.dv_xname, 1570 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1571 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1572 } 1573 #endif 1574 1575 /* 1576 * tlp_reset: 1577 * 1578 * Perform a soft reset on the Tulip. 1579 */ 1580 void 1581 tlp_reset(struct tulip_softc *sc) 1582 { 1583 int i; 1584 1585 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1586 1587 /* 1588 * Xircom, ASIX and Conexant clones don't bring themselves 1589 * out of reset automatically. 1590 * Instead, we have to wait at least 50 PCI cycles, and then 1591 * clear SWR. 1592 */ 1593 switch (sc->sc_chip) { 1594 case TULIP_CHIP_X3201_3: 1595 case TULIP_CHIP_AX88140: 1596 case TULIP_CHIP_AX88141: 1597 case TULIP_CHIP_RS7112: 1598 delay(10); 1599 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1600 break; 1601 default: 1602 break; 1603 } 1604 1605 for (i = 0; i < 1000; i++) { 1606 /* 1607 * Wait at least 50 PCI cycles for the reset to 1608 * complete before peeking at the Tulip again. 1609 * 10 uSec is a bit longer than 50 PCI cycles 1610 * (at 33MHz), but it doesn't hurt have the extra 1611 * wait. 1612 */ 1613 delay(10); 1614 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1615 break; 1616 } 1617 1618 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1619 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1620 1621 delay(1000); 1622 1623 /* 1624 * If the board has any GPIO reset sequences to issue, do them now. 1625 */ 1626 if (sc->sc_reset != NULL) 1627 (*sc->sc_reset)(sc); 1628 } 1629 1630 /* 1631 * tlp_init: [ ifnet interface function ] 1632 * 1633 * Initialize the interface. Must be called at splnet(). 1634 */ 1635 static int 1636 tlp_init(struct ifnet *ifp) 1637 { 1638 struct tulip_softc *sc = ifp->if_softc; 1639 struct tulip_txsoft *txs; 1640 struct tulip_rxsoft *rxs; 1641 int i, error = 0; 1642 1643 if ((error = tlp_enable(sc)) != 0) 1644 goto out; 1645 1646 /* 1647 * Cancel any pending I/O. 1648 */ 1649 tlp_stop(ifp, 0); 1650 1651 /* 1652 * Initialize `opmode' to 0, and call the pre-init routine, if 1653 * any. This is required because the 2114x and some of the 1654 * clones require that the media-related bits in `opmode' be 1655 * set before performing a soft-reset in order to get internal 1656 * chip pathways are correct. Yay! 1657 */ 1658 sc->sc_opmode = 0; 1659 if (sc->sc_preinit != NULL) 1660 (*sc->sc_preinit)(sc); 1661 1662 /* 1663 * Reset the Tulip to a known state. 1664 */ 1665 tlp_reset(sc); 1666 1667 /* 1668 * Initialize the BUSMODE register. 1669 */ 1670 sc->sc_busmode = BUSMODE_BAR; 1671 switch (sc->sc_chip) { 1672 case TULIP_CHIP_21140: 1673 case TULIP_CHIP_21140A: 1674 case TULIP_CHIP_21142: 1675 case TULIP_CHIP_21143: 1676 case TULIP_CHIP_82C115: 1677 case TULIP_CHIP_MX98725: 1678 /* 1679 * If we're allowed to do so, use Memory Read Line 1680 * and Memory Read Multiple. 1681 * 1682 * XXX Should we use Memory Write and Invalidate? 1683 */ 1684 if (sc->sc_flags & TULIPF_MRL) 1685 sc->sc_busmode |= BUSMODE_RLE; 1686 if (sc->sc_flags & TULIPF_MRM) 1687 sc->sc_busmode |= BUSMODE_RME; 1688 #if 0 1689 if (sc->sc_flags & TULIPF_MWI) 1690 sc->sc_busmode |= BUSMODE_WLE; 1691 #endif 1692 break; 1693 1694 case TULIP_CHIP_82C168: 1695 case TULIP_CHIP_82C169: 1696 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1697 if (sc->sc_maxburst == 0) 1698 sc->sc_maxburst = 16; 1699 break; 1700 1701 case TULIP_CHIP_AX88140: 1702 case TULIP_CHIP_AX88141: 1703 if (sc->sc_maxburst == 0) 1704 sc->sc_maxburst = 16; 1705 break; 1706 1707 default: 1708 /* Nothing. */ 1709 break; 1710 } 1711 switch (sc->sc_cacheline) { 1712 default: 1713 /* 1714 * Note: We must *always* set these bits; a cache 1715 * alignment of 0 is RESERVED. 1716 */ 1717 case 8: 1718 sc->sc_busmode |= BUSMODE_CAL_8LW; 1719 break; 1720 case 16: 1721 sc->sc_busmode |= BUSMODE_CAL_16LW; 1722 break; 1723 case 32: 1724 sc->sc_busmode |= BUSMODE_CAL_32LW; 1725 break; 1726 } 1727 switch (sc->sc_maxburst) { 1728 case 1: 1729 sc->sc_busmode |= BUSMODE_PBL_1LW; 1730 break; 1731 case 2: 1732 sc->sc_busmode |= BUSMODE_PBL_2LW; 1733 break; 1734 case 4: 1735 sc->sc_busmode |= BUSMODE_PBL_4LW; 1736 break; 1737 case 8: 1738 sc->sc_busmode |= BUSMODE_PBL_8LW; 1739 break; 1740 case 16: 1741 sc->sc_busmode |= BUSMODE_PBL_16LW; 1742 break; 1743 case 32: 1744 sc->sc_busmode |= BUSMODE_PBL_32LW; 1745 break; 1746 default: 1747 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1748 break; 1749 } 1750 #if BYTE_ORDER == BIG_ENDIAN 1751 /* 1752 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1753 * support them, and even on ones that do, it doesn't 1754 * always work. So we always access descriptors with 1755 * little endian via htole32/le32toh. 1756 */ 1757 #endif 1758 /* 1759 * Big-endian bus requires BUSMODE_BLE anyway. 1760 * Also, BUSMODE_DBO is needed because we assume 1761 * descriptors are little endian. 1762 */ 1763 if (sc->sc_flags & TULIPF_BLE) 1764 sc->sc_busmode |= BUSMODE_BLE; 1765 if (sc->sc_flags & TULIPF_DBO) 1766 sc->sc_busmode |= BUSMODE_DBO; 1767 1768 /* 1769 * Some chips have a broken bus interface. 1770 */ 1771 switch (sc->sc_chip) { 1772 case TULIP_CHIP_DM9102: 1773 case TULIP_CHIP_DM9102A: 1774 sc->sc_busmode = 0; 1775 break; 1776 1777 default: 1778 /* Nothing. */ 1779 break; 1780 } 1781 1782 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1783 1784 /* 1785 * Initialize the OPMODE register. We don't write it until 1786 * we're ready to begin the transmit and receive processes. 1787 * 1788 * Media-related OPMODE bits are set in the media callbacks 1789 * for each specific chip/board. 1790 */ 1791 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1792 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1793 1794 /* 1795 * Magical mystery initialization on the Macronix chips. 1796 * The MX98713 uses its own magic value, the rest share 1797 * a common one. 1798 */ 1799 switch (sc->sc_chip) { 1800 case TULIP_CHIP_MX98713: 1801 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1802 break; 1803 1804 case TULIP_CHIP_MX98713A: 1805 case TULIP_CHIP_MX98715: 1806 case TULIP_CHIP_MX98715A: 1807 case TULIP_CHIP_MX98715AEC_X: 1808 case TULIP_CHIP_MX98725: 1809 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1810 break; 1811 1812 default: 1813 /* Nothing. */ 1814 break; 1815 } 1816 1817 /* 1818 * Initialize the transmit descriptor ring. 1819 */ 1820 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1821 for (i = 0; i < TULIP_NTXDESC; i++) { 1822 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1823 sc->sc_txdescs[i].td_bufaddr2 = 1824 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1825 } 1826 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1827 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1828 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1829 sc->sc_txfree = TULIP_NTXDESC; 1830 sc->sc_txnext = 0; 1831 1832 /* 1833 * Initialize the transmit job descriptors. 1834 */ 1835 SIMPLEQ_INIT(&sc->sc_txfreeq); 1836 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1837 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1838 txs = &sc->sc_txsoft[i]; 1839 txs->txs_mbuf = NULL; 1840 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1841 } 1842 1843 /* 1844 * Initialize the receive descriptor and receive job 1845 * descriptor rings. 1846 */ 1847 for (i = 0; i < TULIP_NRXDESC; i++) { 1848 rxs = &sc->sc_rxsoft[i]; 1849 if (rxs->rxs_mbuf == NULL) { 1850 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1851 printf("%s: unable to allocate or map rx " 1852 "buffer %d, error = %d\n", 1853 sc->sc_dev.dv_xname, i, error); 1854 /* 1855 * XXX Should attempt to run with fewer receive 1856 * XXX buffers instead of just failing. 1857 */ 1858 tlp_rxdrain(sc); 1859 goto out; 1860 } 1861 } else 1862 TULIP_INIT_RXDESC(sc, i); 1863 } 1864 sc->sc_rxptr = 0; 1865 1866 /* 1867 * Initialize the interrupt mask and enable interrupts. 1868 */ 1869 /* normal interrupts */ 1870 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1871 1872 /* abnormal interrupts */ 1873 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1874 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1875 1876 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1877 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1878 1879 switch (sc->sc_chip) { 1880 case TULIP_CHIP_WB89C840F: 1881 /* 1882 * Clear bits that we don't want that happen to 1883 * overlap or don't exist. 1884 */ 1885 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1886 break; 1887 1888 default: 1889 /* Nothing. */ 1890 break; 1891 } 1892 1893 sc->sc_rxint_mask &= sc->sc_inten; 1894 sc->sc_txint_mask &= sc->sc_inten; 1895 1896 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1897 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1898 1899 /* 1900 * Give the transmit and receive rings to the Tulip. 1901 */ 1902 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1903 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1904 1905 /* 1906 * On chips that do this differently, set the station address. 1907 */ 1908 switch (sc->sc_chip) { 1909 case TULIP_CHIP_WB89C840F: 1910 { 1911 /* XXX Do this with stream writes? */ 1912 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1913 1914 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1915 bus_space_write_1(sc->sc_st, sc->sc_sh, 1916 cpa + i, LLADDR(ifp->if_sadl)[i]); 1917 } 1918 break; 1919 } 1920 1921 case TULIP_CHIP_AL981: 1922 case TULIP_CHIP_AN983: 1923 case TULIP_CHIP_AN985: 1924 { 1925 u_int32_t reg; 1926 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1927 1928 reg = enaddr[0] | 1929 (enaddr[1] << 8) | 1930 (enaddr[2] << 16) | 1931 (enaddr[3] << 24); 1932 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1933 1934 reg = enaddr[4] | 1935 (enaddr[5] << 8); 1936 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1937 break; 1938 } 1939 1940 case TULIP_CHIP_AX88140: 1941 case TULIP_CHIP_AX88141: 1942 { 1943 u_int32_t reg; 1944 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1945 1946 reg = enaddr[0] | 1947 (enaddr[1] << 8) | 1948 (enaddr[2] << 16) | 1949 (enaddr[3] << 24); 1950 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); 1951 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1952 1953 reg = enaddr[4] | (enaddr[5] << 8); 1954 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); 1955 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1956 break; 1957 } 1958 1959 default: 1960 /* Nothing. */ 1961 break; 1962 } 1963 1964 /* 1965 * Set the receive filter. This will start the transmit and 1966 * receive processes. 1967 */ 1968 (*sc->sc_filter_setup)(sc); 1969 1970 /* 1971 * Set the current media. 1972 */ 1973 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1974 1975 /* 1976 * Start the receive process. 1977 */ 1978 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1979 1980 if (sc->sc_tick != NULL) { 1981 /* Start the one second clock. */ 1982 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1983 } 1984 1985 /* 1986 * Note that the interface is now running. 1987 */ 1988 ifp->if_flags |= IFF_RUNNING; 1989 ifp->if_flags &= ~IFF_OACTIVE; 1990 sc->sc_if_flags = ifp->if_flags; 1991 1992 out: 1993 if (error) { 1994 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1995 ifp->if_timer = 0; 1996 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1997 } 1998 return (error); 1999 } 2000 2001 /* 2002 * tlp_enable: 2003 * 2004 * Enable the Tulip chip. 2005 */ 2006 static int 2007 tlp_enable(struct tulip_softc *sc) 2008 { 2009 2010 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 2011 if ((*sc->sc_enable)(sc) != 0) { 2012 printf("%s: device enable failed\n", 2013 sc->sc_dev.dv_xname); 2014 return (EIO); 2015 } 2016 sc->sc_flags |= TULIPF_ENABLED; 2017 } 2018 return (0); 2019 } 2020 2021 /* 2022 * tlp_disable: 2023 * 2024 * Disable the Tulip chip. 2025 */ 2026 static void 2027 tlp_disable(struct tulip_softc *sc) 2028 { 2029 2030 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 2031 (*sc->sc_disable)(sc); 2032 sc->sc_flags &= ~TULIPF_ENABLED; 2033 } 2034 } 2035 2036 /* 2037 * tlp_power: 2038 * 2039 * Power management (suspend/resume) hook. 2040 */ 2041 static void 2042 tlp_power(int why, void *arg) 2043 { 2044 struct tulip_softc *sc = arg; 2045 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2046 int s; 2047 2048 s = splnet(); 2049 switch (why) { 2050 case PWR_STANDBY: 2051 /* do nothing! */ 2052 break; 2053 case PWR_SUSPEND: 2054 tlp_stop(ifp, 0); 2055 if (sc->sc_power != NULL) 2056 (*sc->sc_power)(sc, why); 2057 break; 2058 case PWR_RESUME: 2059 if (ifp->if_flags & IFF_UP) { 2060 if (sc->sc_power != NULL) 2061 (*sc->sc_power)(sc, why); 2062 tlp_init(ifp); 2063 } 2064 break; 2065 case PWR_SOFTSUSPEND: 2066 case PWR_SOFTSTANDBY: 2067 case PWR_SOFTRESUME: 2068 break; 2069 } 2070 splx(s); 2071 } 2072 2073 /* 2074 * tlp_rxdrain: 2075 * 2076 * Drain the receive queue. 2077 */ 2078 static void 2079 tlp_rxdrain(struct tulip_softc *sc) 2080 { 2081 struct tulip_rxsoft *rxs; 2082 int i; 2083 2084 for (i = 0; i < TULIP_NRXDESC; i++) { 2085 rxs = &sc->sc_rxsoft[i]; 2086 if (rxs->rxs_mbuf != NULL) { 2087 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2088 m_freem(rxs->rxs_mbuf); 2089 rxs->rxs_mbuf = NULL; 2090 } 2091 } 2092 } 2093 2094 /* 2095 * tlp_stop: [ ifnet interface function ] 2096 * 2097 * Stop transmission on the interface. 2098 */ 2099 static void 2100 tlp_stop(struct ifnet *ifp, int disable) 2101 { 2102 struct tulip_softc *sc = ifp->if_softc; 2103 struct tulip_txsoft *txs; 2104 2105 if (sc->sc_tick != NULL) { 2106 /* Stop the one second clock. */ 2107 callout_stop(&sc->sc_tick_callout); 2108 } 2109 2110 if (sc->sc_flags & TULIPF_HAS_MII) { 2111 /* Down the MII. */ 2112 mii_down(&sc->sc_mii); 2113 } 2114 2115 /* Disable interrupts. */ 2116 TULIP_WRITE(sc, CSR_INTEN, 0); 2117 2118 /* Stop the transmit and receive processes. */ 2119 sc->sc_opmode = 0; 2120 TULIP_WRITE(sc, CSR_OPMODE, 0); 2121 TULIP_WRITE(sc, CSR_RXLIST, 0); 2122 TULIP_WRITE(sc, CSR_TXLIST, 0); 2123 2124 /* 2125 * Release any queued transmit buffers. 2126 */ 2127 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2128 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2129 if (txs->txs_mbuf != NULL) { 2130 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2131 m_freem(txs->txs_mbuf); 2132 txs->txs_mbuf = NULL; 2133 } 2134 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2135 } 2136 2137 if (disable) { 2138 tlp_rxdrain(sc); 2139 tlp_disable(sc); 2140 } 2141 2142 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2143 2144 /* 2145 * Mark the interface down and cancel the watchdog timer. 2146 */ 2147 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2148 sc->sc_if_flags = ifp->if_flags; 2149 ifp->if_timer = 0; 2150 2151 /* 2152 * Reset the chip (needed on some flavors to actually disable it). 2153 */ 2154 tlp_reset(sc); 2155 } 2156 2157 #define SROM_EMIT(sc, x) \ 2158 do { \ 2159 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2160 delay(2); \ 2161 } while (0) 2162 2163 /* 2164 * tlp_srom_idle: 2165 * 2166 * Put the SROM in idle state. 2167 */ 2168 static void 2169 tlp_srom_idle(struct tulip_softc *sc) 2170 { 2171 u_int32_t miirom; 2172 int i; 2173 2174 miirom = MIIROM_SR; 2175 SROM_EMIT(sc, miirom); 2176 2177 miirom |= MIIROM_RD; 2178 SROM_EMIT(sc, miirom); 2179 2180 miirom |= MIIROM_SROMCS; 2181 SROM_EMIT(sc, miirom); 2182 2183 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2184 2185 /* Strobe the clock 32 times. */ 2186 for (i = 0; i < 32; i++) { 2187 SROM_EMIT(sc, miirom); 2188 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2189 } 2190 2191 SROM_EMIT(sc, miirom); 2192 2193 miirom &= ~MIIROM_SROMCS; 2194 SROM_EMIT(sc, miirom); 2195 2196 SROM_EMIT(sc, 0); 2197 } 2198 2199 /* 2200 * tlp_srom_size: 2201 * 2202 * Determine the number of address bits in the SROM. 2203 */ 2204 static int 2205 tlp_srom_size(struct tulip_softc *sc) 2206 { 2207 u_int32_t miirom; 2208 int x; 2209 2210 /* Select the SROM. */ 2211 miirom = MIIROM_SR; 2212 SROM_EMIT(sc, miirom); 2213 2214 miirom |= MIIROM_RD; 2215 SROM_EMIT(sc, miirom); 2216 2217 /* Send CHIP SELECT for one clock tick. */ 2218 miirom |= MIIROM_SROMCS; 2219 SROM_EMIT(sc, miirom); 2220 2221 /* Shift in the READ opcode. */ 2222 for (x = 3; x > 0; x--) { 2223 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2224 miirom |= MIIROM_SROMDI; 2225 else 2226 miirom &= ~MIIROM_SROMDI; 2227 SROM_EMIT(sc, miirom); 2228 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2229 SROM_EMIT(sc, miirom); 2230 } 2231 2232 /* Shift in address and look for dummy 0 bit. */ 2233 for (x = 1; x <= 12; x++) { 2234 miirom &= ~MIIROM_SROMDI; 2235 SROM_EMIT(sc, miirom); 2236 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2237 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2238 break; 2239 SROM_EMIT(sc, miirom); 2240 } 2241 2242 /* Clear CHIP SELECT. */ 2243 miirom &= ~MIIROM_SROMCS; 2244 SROM_EMIT(sc, miirom); 2245 2246 /* Deselect the SROM. */ 2247 SROM_EMIT(sc, 0); 2248 2249 if (x < 4 || x > 12) { 2250 printf("%s: broken MicroWire interface detected; " 2251 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2252 return (6); 2253 } else { 2254 if (tlp_srom_debug) 2255 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2256 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2257 return (x); 2258 } 2259 } 2260 2261 /* 2262 * tlp_read_srom: 2263 * 2264 * Read the Tulip SROM. 2265 */ 2266 int 2267 tlp_read_srom(struct tulip_softc *sc) 2268 { 2269 int size; 2270 u_int32_t miirom; 2271 u_int16_t datain; 2272 int i, x; 2273 2274 tlp_srom_idle(sc); 2275 2276 sc->sc_srom_addrbits = tlp_srom_size(sc); 2277 if (sc->sc_srom_addrbits == 0) 2278 return (0); 2279 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2280 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2281 2282 /* Select the SROM. */ 2283 miirom = MIIROM_SR; 2284 SROM_EMIT(sc, miirom); 2285 2286 miirom |= MIIROM_RD; 2287 SROM_EMIT(sc, miirom); 2288 2289 for (i = 0; i < size; i += 2) { 2290 /* Send CHIP SELECT for one clock tick. */ 2291 miirom |= MIIROM_SROMCS; 2292 SROM_EMIT(sc, miirom); 2293 2294 /* Shift in the READ opcode. */ 2295 for (x = 3; x > 0; x--) { 2296 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2297 miirom |= MIIROM_SROMDI; 2298 else 2299 miirom &= ~MIIROM_SROMDI; 2300 SROM_EMIT(sc, miirom); 2301 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2302 SROM_EMIT(sc, miirom); 2303 } 2304 2305 /* Shift in address. */ 2306 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2307 if (i & (1 << x)) 2308 miirom |= MIIROM_SROMDI; 2309 else 2310 miirom &= ~MIIROM_SROMDI; 2311 SROM_EMIT(sc, miirom); 2312 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2313 SROM_EMIT(sc, miirom); 2314 } 2315 2316 /* Shift out data. */ 2317 miirom &= ~MIIROM_SROMDI; 2318 datain = 0; 2319 for (x = 16; x > 0; x--) { 2320 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2321 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2322 datain |= (1 << (x - 1)); 2323 SROM_EMIT(sc, miirom); 2324 } 2325 sc->sc_srom[i] = datain & 0xff; 2326 sc->sc_srom[i + 1] = datain >> 8; 2327 2328 /* Clear CHIP SELECT. */ 2329 miirom &= ~MIIROM_SROMCS; 2330 SROM_EMIT(sc, miirom); 2331 } 2332 2333 /* Deselect the SROM. */ 2334 SROM_EMIT(sc, 0); 2335 2336 /* ...and idle it. */ 2337 tlp_srom_idle(sc); 2338 2339 if (tlp_srom_debug) { 2340 printf("SROM CONTENTS:"); 2341 for (i = 0; i < size; i++) { 2342 if ((i % 8) == 0) 2343 printf("\n\t"); 2344 printf("0x%02x ", sc->sc_srom[i]); 2345 } 2346 printf("\n"); 2347 } 2348 2349 return (1); 2350 } 2351 2352 #undef SROM_EMIT 2353 2354 /* 2355 * tlp_add_rxbuf: 2356 * 2357 * Add a receive buffer to the indicated descriptor. 2358 */ 2359 static int 2360 tlp_add_rxbuf(struct tulip_softc *sc, int idx) 2361 { 2362 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2363 struct mbuf *m; 2364 int error; 2365 2366 MGETHDR(m, M_DONTWAIT, MT_DATA); 2367 if (m == NULL) 2368 return (ENOBUFS); 2369 2370 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2371 MCLGET(m, M_DONTWAIT); 2372 if ((m->m_flags & M_EXT) == 0) { 2373 m_freem(m); 2374 return (ENOBUFS); 2375 } 2376 2377 if (rxs->rxs_mbuf != NULL) 2378 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2379 2380 rxs->rxs_mbuf = m; 2381 2382 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2383 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2384 BUS_DMA_READ|BUS_DMA_NOWAIT); 2385 if (error) { 2386 printf("%s: can't load rx DMA map %d, error = %d\n", 2387 sc->sc_dev.dv_xname, idx, error); 2388 panic("tlp_add_rxbuf"); /* XXX */ 2389 } 2390 2391 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2392 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2393 2394 TULIP_INIT_RXDESC(sc, idx); 2395 2396 return (0); 2397 } 2398 2399 /* 2400 * tlp_srom_crcok: 2401 * 2402 * Check the CRC of the Tulip SROM. 2403 */ 2404 int 2405 tlp_srom_crcok(const u_int8_t *romdata) 2406 { 2407 u_int32_t crc; 2408 2409 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2410 crc = (crc & 0xffff) ^ 0xffff; 2411 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2412 return (1); 2413 2414 /* 2415 * Try an alternate checksum. 2416 */ 2417 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2418 crc = (crc & 0xffff) ^ 0xffff; 2419 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2420 return (1); 2421 2422 return (0); 2423 } 2424 2425 /* 2426 * tlp_isv_srom: 2427 * 2428 * Check to see if the SROM is in the new standardized format. 2429 */ 2430 int 2431 tlp_isv_srom(const u_int8_t *romdata) 2432 { 2433 int i; 2434 u_int16_t cksum; 2435 2436 if (tlp_srom_crcok(romdata)) { 2437 /* 2438 * SROM CRC checks out; must be in the new format. 2439 */ 2440 return (1); 2441 } 2442 2443 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2444 if (cksum == 0xffff || cksum == 0) { 2445 /* 2446 * No checksum present. Check the SROM ID; 18 bytes of 0 2447 * followed by 1 (version) followed by the number of 2448 * adapters which use this SROM (should be non-zero). 2449 */ 2450 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2451 if (romdata[i] != 0) 2452 return (0); 2453 } 2454 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2455 return (0); 2456 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2457 return (0); 2458 return (1); 2459 } 2460 2461 return (0); 2462 } 2463 2464 /* 2465 * tlp_isv_srom_enaddr: 2466 * 2467 * Get the Ethernet address from an ISV SROM. 2468 */ 2469 int 2470 tlp_isv_srom_enaddr(struct tulip_softc *sc, u_int8_t *enaddr) 2471 { 2472 int i, devcnt; 2473 2474 if (tlp_isv_srom(sc->sc_srom) == 0) 2475 return (0); 2476 2477 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2478 for (i = 0; i < devcnt; i++) { 2479 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2480 break; 2481 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2482 sc->sc_devno) 2483 break; 2484 } 2485 2486 if (i == devcnt) 2487 return (0); 2488 2489 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2490 ETHER_ADDR_LEN); 2491 enaddr[5] += i; 2492 2493 return (1); 2494 } 2495 2496 /* 2497 * tlp_parse_old_srom: 2498 * 2499 * Parse old-format SROMs. 2500 * 2501 * This routine is largely lifted from Matt Thomas's `de' driver. 2502 */ 2503 int 2504 tlp_parse_old_srom(struct tulip_softc *sc, u_int8_t *enaddr) 2505 { 2506 static const u_int8_t testpat[] = 2507 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2508 int i; 2509 u_int32_t cksum; 2510 2511 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2512 /* 2513 * Phobos interfaces have the address at offsets 20 2514 * and 84, but each pair of bytes is swapped. The 2515 * first and last two bytes appear to contain 2516 * checksums. Everything else is 0. 2517 */ 2518 if (sc->sc_srom_addrbits == 6 && 2519 sc->sc_srom[21] == 0x00 && 2520 sc->sc_srom[20] == 0x60 && 2521 sc->sc_srom[23] == 0xf5 && 2522 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { 2523 for (i = 0; i < 6; i += 2) { 2524 enaddr[i] = sc->sc_srom[20 + i + 1]; 2525 enaddr[i + 1] = sc->sc_srom[20 + i]; 2526 } 2527 return (1); 2528 } 2529 2530 /* 2531 * Cobalt Networks interfaces simply have the address 2532 * in the first six bytes. The rest is zeroed out 2533 * on some models, but others contain unknown data. 2534 */ 2535 if (sc->sc_srom[0] == 0x00 && 2536 sc->sc_srom[1] == 0x10 && 2537 sc->sc_srom[2] == 0xe0) { 2538 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2539 return (1); 2540 } 2541 2542 /* 2543 * Some vendors (e.g. ZNYX) don't use the standard 2544 * DEC Address ROM format, but rather just have an 2545 * Ethernet address in the first 6 bytes, maybe a 2546 * 2 byte checksum, and then all 0xff's. 2547 */ 2548 for (i = 8; i < 32; i++) { 2549 if (sc->sc_srom[i] != 0xff && 2550 sc->sc_srom[i] != 0) 2551 return (0); 2552 } 2553 2554 /* 2555 * Sanity check the Ethernet address: 2556 * 2557 * - Make sure it's not multicast or locally 2558 * assigned 2559 * - Make sure it has a non-0 OUI 2560 */ 2561 if (sc->sc_srom[0] & 3) 2562 return (0); 2563 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2564 sc->sc_srom[2] == 0) 2565 return (0); 2566 2567 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2568 return (1); 2569 } 2570 2571 /* 2572 * Standard DEC Address ROM test. 2573 */ 2574 2575 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2576 return (0); 2577 2578 for (i = 0; i < 8; i++) { 2579 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2580 return (0); 2581 } 2582 2583 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2584 2585 cksum = *(u_int16_t *) &enaddr[0]; 2586 2587 cksum <<= 1; 2588 if (cksum > 0xffff) 2589 cksum -= 0xffff; 2590 2591 cksum += *(u_int16_t *) &enaddr[2]; 2592 if (cksum > 0xffff) 2593 cksum -= 0xffff; 2594 2595 cksum <<= 1; 2596 if (cksum > 0xffff) 2597 cksum -= 0xffff; 2598 2599 cksum += *(u_int16_t *) &enaddr[4]; 2600 if (cksum >= 0xffff) 2601 cksum -= 0xffff; 2602 2603 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2604 return (0); 2605 2606 return (1); 2607 } 2608 2609 /* 2610 * tlp_filter_setup: 2611 * 2612 * Set the Tulip's receive filter. 2613 */ 2614 static void 2615 tlp_filter_setup(struct tulip_softc *sc) 2616 { 2617 struct ethercom *ec = &sc->sc_ethercom; 2618 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2619 struct ether_multi *enm; 2620 struct ether_multistep step; 2621 volatile u_int32_t *sp; 2622 struct tulip_txsoft *txs; 2623 u_int8_t enaddr[ETHER_ADDR_LEN]; 2624 u_int32_t hash, hashsize; 2625 int cnt, nexttx; 2626 2627 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2628 sc->sc_dev.dv_xname, sc->sc_flags)); 2629 2630 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2631 2632 /* 2633 * If there are transmissions pending, wait until they have 2634 * completed. 2635 */ 2636 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2637 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2638 sc->sc_flags |= TULIPF_WANT_SETUP; 2639 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2640 sc->sc_dev.dv_xname)); 2641 return; 2642 } 2643 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2644 2645 switch (sc->sc_chip) { 2646 case TULIP_CHIP_82C115: 2647 hashsize = TULIP_PNICII_HASHSIZE; 2648 break; 2649 2650 default: 2651 hashsize = TULIP_MCHASHSIZE; 2652 } 2653 2654 /* 2655 * If we're running, idle the transmit and receive engines. If 2656 * we're NOT running, we're being called from tlp_init(), and our 2657 * writing OPMODE will start the transmit and receive processes 2658 * in motion. 2659 */ 2660 if (ifp->if_flags & IFF_RUNNING) 2661 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2662 2663 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2664 2665 if (ifp->if_flags & IFF_PROMISC) { 2666 sc->sc_opmode |= OPMODE_PR; 2667 goto allmulti; 2668 } 2669 2670 /* 2671 * Try Perfect filtering first. 2672 */ 2673 2674 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2675 sp = TULIP_CDSP(sc); 2676 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2677 cnt = 0; 2678 ETHER_FIRST_MULTI(step, ec, enm); 2679 while (enm != NULL) { 2680 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2681 /* 2682 * We must listen to a range of multicast addresses. 2683 * For now, just accept all multicasts, rather than 2684 * trying to set only those filter bits needed to match 2685 * the range. (At this time, the only use of address 2686 * ranges is for IP multicast routing, for which the 2687 * range is big enough to require all bits set.) 2688 */ 2689 goto allmulti; 2690 } 2691 if (cnt == (TULIP_MAXADDRS - 2)) { 2692 /* 2693 * We already have our multicast limit (still need 2694 * our station address and broadcast). Go to 2695 * Hash-Perfect mode. 2696 */ 2697 goto hashperfect; 2698 } 2699 cnt++; 2700 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2701 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2702 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2703 ETHER_NEXT_MULTI(step, enm); 2704 } 2705 2706 if (ifp->if_flags & IFF_BROADCAST) { 2707 /* ...and the broadcast address. */ 2708 cnt++; 2709 *sp++ = TULIP_SP_FIELD_C(0xffff); 2710 *sp++ = TULIP_SP_FIELD_C(0xffff); 2711 *sp++ = TULIP_SP_FIELD_C(0xffff); 2712 } 2713 2714 /* Pad the rest with our station address. */ 2715 for (; cnt < TULIP_MAXADDRS; cnt++) { 2716 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2717 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2718 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2719 } 2720 ifp->if_flags &= ~IFF_ALLMULTI; 2721 goto setit; 2722 2723 hashperfect: 2724 /* 2725 * Try Hash-Perfect mode. 2726 */ 2727 2728 /* 2729 * Some 21140 chips have broken Hash-Perfect modes. On these 2730 * chips, we simply use Hash-Only mode, and put our station 2731 * address into the filter. 2732 */ 2733 if (sc->sc_chip == TULIP_CHIP_21140) 2734 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2735 else 2736 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2737 sp = TULIP_CDSP(sc); 2738 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2739 ETHER_FIRST_MULTI(step, ec, enm); 2740 while (enm != NULL) { 2741 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2742 /* 2743 * We must listen to a range of multicast addresses. 2744 * For now, just accept all multicasts, rather than 2745 * trying to set only those filter bits needed to match 2746 * the range. (At this time, the only use of address 2747 * ranges is for IP multicast routing, for which the 2748 * range is big enough to require all bits set.) 2749 */ 2750 goto allmulti; 2751 } 2752 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2753 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2754 ETHER_NEXT_MULTI(step, enm); 2755 } 2756 2757 if (ifp->if_flags & IFF_BROADCAST) { 2758 /* ...and the broadcast address. */ 2759 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2760 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2761 } 2762 2763 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2764 /* ...and our station address. */ 2765 hash = tlp_mchash(enaddr, hashsize); 2766 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2767 } else { 2768 /* 2769 * Hash-Perfect mode; put our station address after 2770 * the hash table. 2771 */ 2772 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2773 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2774 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2775 } 2776 ifp->if_flags &= ~IFF_ALLMULTI; 2777 goto setit; 2778 2779 allmulti: 2780 /* 2781 * Use Perfect filter mode. First address is the broadcast address, 2782 * and pad the rest with our station address. We'll set Pass-all- 2783 * multicast in OPMODE below. 2784 */ 2785 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2786 sp = TULIP_CDSP(sc); 2787 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2788 cnt = 0; 2789 if (ifp->if_flags & IFF_BROADCAST) { 2790 cnt++; 2791 *sp++ = TULIP_SP_FIELD_C(0xffff); 2792 *sp++ = TULIP_SP_FIELD_C(0xffff); 2793 *sp++ = TULIP_SP_FIELD_C(0xffff); 2794 } 2795 for (; cnt < TULIP_MAXADDRS; cnt++) { 2796 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2797 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2798 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2799 } 2800 ifp->if_flags |= IFF_ALLMULTI; 2801 2802 setit: 2803 if (ifp->if_flags & IFF_ALLMULTI) 2804 sc->sc_opmode |= OPMODE_PM; 2805 2806 /* Sync the setup packet buffer. */ 2807 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2808 2809 /* 2810 * Fill in the setup packet descriptor. 2811 */ 2812 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2813 2814 txs->txs_firstdesc = sc->sc_txnext; 2815 txs->txs_lastdesc = sc->sc_txnext; 2816 txs->txs_ndescs = 1; 2817 txs->txs_mbuf = NULL; 2818 2819 nexttx = sc->sc_txnext; 2820 sc->sc_txdescs[nexttx].td_status = 0; 2821 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2822 sc->sc_txdescs[nexttx].td_ctl = 2823 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2824 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2825 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2826 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2827 TULIP_CDTXSYNC(sc, nexttx, 1, 2828 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2829 2830 #ifdef TLP_DEBUG 2831 if (ifp->if_flags & IFF_DEBUG) { 2832 printf(" filter_setup %p transmit chain:\n", txs); 2833 printf(" descriptor %d:\n", nexttx); 2834 printf(" td_status: 0x%08x\n", 2835 le32toh(sc->sc_txdescs[nexttx].td_status)); 2836 printf(" td_ctl: 0x%08x\n", 2837 le32toh(sc->sc_txdescs[nexttx].td_ctl)); 2838 printf(" td_bufaddr1: 0x%08x\n", 2839 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1)); 2840 printf(" td_bufaddr2: 0x%08x\n", 2841 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2)); 2842 } 2843 #endif 2844 2845 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN); 2846 TULIP_CDTXSYNC(sc, nexttx, 1, 2847 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2848 2849 /* Advance the tx pointer. */ 2850 sc->sc_txfree -= 1; 2851 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2852 2853 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2854 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2855 2856 /* 2857 * Set the OPMODE register. This will also resume the 2858 * transmit process we idled above. 2859 */ 2860 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2861 2862 sc->sc_flags |= TULIPF_DOING_SETUP; 2863 2864 /* 2865 * Kick the transmitter; this will cause the Tulip to 2866 * read the setup descriptor. 2867 */ 2868 /* XXX USE AUTOPOLLING? */ 2869 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2870 2871 /* Set up a watchdog timer in case the chip flakes out. */ 2872 ifp->if_timer = 5; 2873 2874 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2875 } 2876 2877 /* 2878 * tlp_winb_filter_setup: 2879 * 2880 * Set the Winbond 89C840F's receive filter. 2881 */ 2882 static void 2883 tlp_winb_filter_setup(struct tulip_softc *sc) 2884 { 2885 struct ethercom *ec = &sc->sc_ethercom; 2886 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2887 struct ether_multi *enm; 2888 struct ether_multistep step; 2889 u_int32_t hash, mchash[2]; 2890 2891 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2892 sc->sc_dev.dv_xname, sc->sc_flags)); 2893 2894 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2895 2896 if (ifp->if_flags & IFF_MULTICAST) 2897 sc->sc_opmode |= OPMODE_WINB_AMP; 2898 2899 if (ifp->if_flags & IFF_BROADCAST) 2900 sc->sc_opmode |= OPMODE_WINB_ABP; 2901 2902 if (ifp->if_flags & IFF_PROMISC) { 2903 sc->sc_opmode |= OPMODE_WINB_APP; 2904 goto allmulti; 2905 } 2906 2907 mchash[0] = mchash[1] = 0; 2908 2909 ETHER_FIRST_MULTI(step, ec, enm); 2910 while (enm != NULL) { 2911 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2912 /* 2913 * We must listen to a range of multicast addresses. 2914 * For now, just accept all multicasts, rather than 2915 * trying to set only those filter bits needed to match 2916 * the range. (At this time, the only use of address 2917 * ranges is for IP multicast routing, for which the 2918 * range is big enough to require all bits set.) 2919 */ 2920 goto allmulti; 2921 } 2922 2923 /* 2924 * According to the FreeBSD `wb' driver, yes, you 2925 * really do invert the hash. 2926 */ 2927 hash = 2928 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2929 & 0x3f; 2930 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2931 ETHER_NEXT_MULTI(step, enm); 2932 } 2933 ifp->if_flags &= ~IFF_ALLMULTI; 2934 goto setit; 2935 2936 allmulti: 2937 ifp->if_flags |= IFF_ALLMULTI; 2938 mchash[0] = mchash[1] = 0xffffffff; 2939 2940 setit: 2941 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2942 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2943 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2944 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2945 sc->sc_dev.dv_xname)); 2946 } 2947 2948 /* 2949 * tlp_al981_filter_setup: 2950 * 2951 * Set the ADMtek AL981's receive filter. 2952 */ 2953 static void 2954 tlp_al981_filter_setup(struct tulip_softc *sc) 2955 { 2956 struct ethercom *ec = &sc->sc_ethercom; 2957 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2958 struct ether_multi *enm; 2959 struct ether_multistep step; 2960 u_int32_t hash, mchash[2]; 2961 2962 /* 2963 * If the chip is running, we need to reset the interface, 2964 * and will revisit here (with IFF_RUNNING) clear. The 2965 * chip seems to really not like to have its multicast 2966 * filter programmed without a reset. 2967 */ 2968 if (ifp->if_flags & IFF_RUNNING) { 2969 (void) tlp_init(ifp); 2970 return; 2971 } 2972 2973 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2974 sc->sc_dev.dv_xname, sc->sc_flags)); 2975 2976 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2977 2978 if (ifp->if_flags & IFF_PROMISC) { 2979 sc->sc_opmode |= OPMODE_PR; 2980 goto allmulti; 2981 } 2982 2983 mchash[0] = mchash[1] = 0; 2984 2985 ETHER_FIRST_MULTI(step, ec, enm); 2986 while (enm != NULL) { 2987 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2988 /* 2989 * We must listen to a range of multicast addresses. 2990 * For now, just accept all multicasts, rather than 2991 * trying to set only those filter bits needed to match 2992 * the range. (At this time, the only use of address 2993 * ranges is for IP multicast routing, for which the 2994 * range is big enough to require all bits set.) 2995 */ 2996 goto allmulti; 2997 } 2998 2999 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 3000 mchash[hash >> 5] |= 1 << (hash & 0x1f); 3001 ETHER_NEXT_MULTI(step, enm); 3002 } 3003 ifp->if_flags &= ~IFF_ALLMULTI; 3004 goto setit; 3005 3006 allmulti: 3007 ifp->if_flags |= IFF_ALLMULTI; 3008 mchash[0] = mchash[1] = 0xffffffff; 3009 3010 setit: 3011 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 3012 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 3013 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3014 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 3015 sc->sc_dev.dv_xname)); 3016 } 3017 3018 /* 3019 * tlp_asix_filter_setup: 3020 * 3021 * Set the ASIX AX8814x recieve filter. 3022 */ 3023 static void 3024 tlp_asix_filter_setup(struct tulip_softc *sc) 3025 { 3026 struct ethercom *ec = &sc->sc_ethercom; 3027 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3028 struct ether_multi *enm; 3029 struct ether_multistep step; 3030 u_int32_t hash, mchash[2]; 3031 3032 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 3033 sc->sc_dev.dv_xname, sc->sc_flags)); 3034 3035 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 3036 3037 if (ifp->if_flags & IFF_MULTICAST) 3038 sc->sc_opmode |= OPMODE_PM; 3039 3040 if (ifp->if_flags & IFF_BROADCAST) 3041 sc->sc_opmode |= OPMODE_AX_RB; 3042 3043 if (ifp->if_flags & IFF_PROMISC) { 3044 sc->sc_opmode |= OPMODE_PR; 3045 goto allmulti; 3046 } 3047 3048 mchash[0] = mchash[1] = 0; 3049 3050 ETHER_FIRST_MULTI(step, ec, enm); 3051 while (enm != NULL) { 3052 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 3053 /* 3054 * We must listen to a range of multicast addresses. 3055 * For now, just accept all multicasts, rather than 3056 * trying to set only those filter bits needed to match 3057 * the range. (At this time, the only use of address 3058 * ranges is for IP multicast routing, for which the 3059 * range is big enough to require all bits set.) 3060 */ 3061 goto allmulti; 3062 } 3063 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3064 & 0x3f; 3065 if (hash < 32) 3066 mchash[0] |= (1 << hash); 3067 else 3068 mchash[1] |= (1 << (hash - 32)); 3069 ETHER_NEXT_MULTI(step, enm); 3070 } 3071 ifp->if_flags &= ~IFF_ALLMULTI; 3072 goto setit; 3073 3074 allmulti: 3075 ifp->if_flags |= IFF_ALLMULTI; 3076 mchash[0] = mchash[1] = 0xffffffff; 3077 3078 setit: 3079 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3080 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3081 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3082 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3083 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3084 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3085 sc->sc_dev.dv_xname)); 3086 } 3087 3088 3089 /* 3090 * tlp_idle: 3091 * 3092 * Cause the transmit and/or receive processes to go idle. 3093 */ 3094 void 3095 tlp_idle(struct tulip_softc *sc, u_int32_t bits) 3096 { 3097 static const char * const tlp_tx_state_names[] = { 3098 "STOPPED", 3099 "RUNNING - FETCH", 3100 "RUNNING - WAIT", 3101 "RUNNING - READING", 3102 "-- RESERVED --", 3103 "RUNNING - SETUP", 3104 "SUSPENDED", 3105 "RUNNING - CLOSE", 3106 }; 3107 static const char * const tlp_rx_state_names[] = { 3108 "STOPPED", 3109 "RUNNING - FETCH", 3110 "RUNNING - CHECK", 3111 "RUNNING - WAIT", 3112 "SUSPENDED", 3113 "RUNNING - CLOSE", 3114 "RUNNING - FLUSH", 3115 "RUNNING - QUEUE", 3116 }; 3117 static const char * const dm9102_tx_state_names[] = { 3118 "STOPPED", 3119 "RUNNING - FETCH", 3120 "RUNNING - SETUP", 3121 "RUNNING - READING", 3122 "RUNNING - CLOSE - CLEAR OWNER", 3123 "RUNNING - WAIT", 3124 "RUNNING - CLOSE - WRITE STATUS", 3125 "SUSPENDED", 3126 }; 3127 static const char * const dm9102_rx_state_names[] = { 3128 "STOPPED", 3129 "RUNNING - FETCH", 3130 "RUNNING - WAIT", 3131 "RUNNING - QUEUE", 3132 "RUNNING - CLOSE - CLEAR OWNER", 3133 "RUNNING - CLOSE - WRITE STATUS", 3134 "SUSPENDED", 3135 "RUNNING - FLUSH", 3136 }; 3137 3138 const char * const *tx_state_names, * const *rx_state_names; 3139 u_int32_t csr, ackmask = 0; 3140 int i; 3141 3142 switch (sc->sc_chip) { 3143 case TULIP_CHIP_DM9102: 3144 case TULIP_CHIP_DM9102A: 3145 tx_state_names = dm9102_tx_state_names; 3146 rx_state_names = dm9102_rx_state_names; 3147 break; 3148 3149 default: 3150 tx_state_names = tlp_tx_state_names; 3151 rx_state_names = tlp_rx_state_names; 3152 break; 3153 } 3154 3155 if (bits & OPMODE_ST) 3156 ackmask |= STATUS_TPS; 3157 3158 if (bits & OPMODE_SR) 3159 ackmask |= STATUS_RPS; 3160 3161 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3162 3163 for (i = 0; i < 1000; i++) { 3164 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3165 break; 3166 delay(10); 3167 } 3168 3169 csr = TULIP_READ(sc, CSR_STATUS); 3170 if ((csr & ackmask) != ackmask) { 3171 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3172 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3173 switch (sc->sc_chip) { 3174 case TULIP_CHIP_AX88140: 3175 case TULIP_CHIP_AX88141: 3176 /* 3177 * Filter the message out on noisy chips. 3178 */ 3179 break; 3180 default: 3181 printf("%s: transmit process failed to idle: " 3182 "state %s\n", sc->sc_dev.dv_xname, 3183 tx_state_names[(csr & STATUS_TS) >> 20]); 3184 } 3185 } 3186 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3187 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3188 switch (sc->sc_chip) { 3189 case TULIP_CHIP_AN983: 3190 case TULIP_CHIP_AN985: 3191 case TULIP_CHIP_DM9102A: 3192 case TULIP_CHIP_RS7112: 3193 /* 3194 * Filter the message out on noisy chips. 3195 */ 3196 break; 3197 default: 3198 printf("%s: receive process failed to idle: " 3199 "state %s\n", sc->sc_dev.dv_xname, 3200 rx_state_names[(csr & STATUS_RS) >> 17]); 3201 } 3202 } 3203 } 3204 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3205 } 3206 3207 /***************************************************************************** 3208 * Generic media support functions. 3209 *****************************************************************************/ 3210 3211 /* 3212 * tlp_mediastatus: [ifmedia interface function] 3213 * 3214 * Query the current media. 3215 */ 3216 void 3217 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3218 { 3219 struct tulip_softc *sc = ifp->if_softc; 3220 3221 if (TULIP_IS_ENABLED(sc) == 0) { 3222 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3223 ifmr->ifm_status = 0; 3224 return; 3225 } 3226 3227 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3228 } 3229 3230 /* 3231 * tlp_mediachange: [ifmedia interface function] 3232 * 3233 * Update the current media. 3234 */ 3235 int 3236 tlp_mediachange(struct ifnet *ifp) 3237 { 3238 struct tulip_softc *sc = ifp->if_softc; 3239 3240 if ((ifp->if_flags & IFF_UP) == 0) 3241 return (0); 3242 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3243 } 3244 3245 /***************************************************************************** 3246 * Support functions for MII-attached media. 3247 *****************************************************************************/ 3248 3249 /* 3250 * tlp_mii_tick: 3251 * 3252 * One second timer, used to tick the MII. 3253 */ 3254 static void 3255 tlp_mii_tick(void *arg) 3256 { 3257 struct tulip_softc *sc = arg; 3258 int s; 3259 3260 if (!device_is_active(&sc->sc_dev)) 3261 return; 3262 3263 s = splnet(); 3264 mii_tick(&sc->sc_mii); 3265 splx(s); 3266 3267 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3268 } 3269 3270 /* 3271 * tlp_mii_statchg: [mii interface function] 3272 * 3273 * Callback from PHY when media changes. 3274 */ 3275 static void 3276 tlp_mii_statchg(struct device *self) 3277 { 3278 struct tulip_softc *sc = (struct tulip_softc *)self; 3279 3280 /* Idle the transmit and receive processes. */ 3281 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3282 3283 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3284 3285 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3286 sc->sc_opmode |= OPMODE_TTM; 3287 else 3288 sc->sc_opmode |= OPMODE_HBD; 3289 3290 if (sc->sc_mii.mii_media_active & IFM_FDX) 3291 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3292 3293 /* 3294 * Write new OPMODE bits. This also restarts the transmit 3295 * and receive processes. 3296 */ 3297 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3298 } 3299 3300 /* 3301 * tlp_winb_mii_statchg: [mii interface function] 3302 * 3303 * Callback from PHY when media changes. This version is 3304 * for the Winbond 89C840F, which has different OPMODE bits. 3305 */ 3306 static void 3307 tlp_winb_mii_statchg(struct device *self) 3308 { 3309 struct tulip_softc *sc = (struct tulip_softc *)self; 3310 3311 /* Idle the transmit and receive processes. */ 3312 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3313 3314 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3315 3316 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3317 sc->sc_opmode |= OPMODE_WINB_FES; 3318 3319 if (sc->sc_mii.mii_media_active & IFM_FDX) 3320 sc->sc_opmode |= OPMODE_FD; 3321 3322 /* 3323 * Write new OPMODE bits. This also restarts the transmit 3324 * and receive processes. 3325 */ 3326 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3327 } 3328 3329 /* 3330 * tlp_dm9102_mii_statchg: [mii interface function] 3331 * 3332 * Callback from PHY when media changes. This version is 3333 * for the DM9102. 3334 */ 3335 static void 3336 tlp_dm9102_mii_statchg(struct device *self) 3337 { 3338 struct tulip_softc *sc = (struct tulip_softc *)self; 3339 3340 /* 3341 * Don't idle the transmit and receive processes, here. It 3342 * seems to fail, and just causes excess noise. 3343 */ 3344 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3345 3346 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3347 sc->sc_opmode |= OPMODE_TTM; 3348 3349 if (sc->sc_mii.mii_media_active & IFM_FDX) 3350 sc->sc_opmode |= OPMODE_FD; 3351 3352 /* 3353 * Write new OPMODE bits. 3354 */ 3355 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3356 } 3357 3358 /* 3359 * tlp_mii_getmedia: 3360 * 3361 * Callback from ifmedia to request current media status. 3362 */ 3363 static void 3364 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3365 { 3366 3367 mii_pollstat(&sc->sc_mii); 3368 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3369 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3370 } 3371 3372 /* 3373 * tlp_mii_setmedia: 3374 * 3375 * Callback from ifmedia to request new media setting. 3376 */ 3377 static int 3378 tlp_mii_setmedia(struct tulip_softc *sc) 3379 { 3380 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3381 3382 if (ifp->if_flags & IFF_UP) { 3383 switch (sc->sc_chip) { 3384 case TULIP_CHIP_21142: 3385 case TULIP_CHIP_21143: 3386 /* Disable the internal Nway engine. */ 3387 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3388 break; 3389 3390 default: 3391 /* Nothing. */ 3392 break; 3393 } 3394 mii_mediachg(&sc->sc_mii); 3395 } 3396 return (0); 3397 } 3398 3399 /* 3400 * tlp_bitbang_mii_readreg: 3401 * 3402 * Read a PHY register via bit-bang'ing the MII. 3403 */ 3404 static int 3405 tlp_bitbang_mii_readreg(struct device *self, int phy, int reg) 3406 { 3407 struct tulip_softc *sc = (void *) self; 3408 3409 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3410 } 3411 3412 /* 3413 * tlp_bitbang_mii_writereg: 3414 * 3415 * Write a PHY register via bit-bang'ing the MII. 3416 */ 3417 static void 3418 tlp_bitbang_mii_writereg(struct device *self, int phy, int reg, int val) 3419 { 3420 struct tulip_softc *sc = (void *) self; 3421 3422 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3423 } 3424 3425 /* 3426 * tlp_sio_mii_bitbang_read: 3427 * 3428 * Read the MII serial port for the MII bit-bang module. 3429 */ 3430 static u_int32_t 3431 tlp_sio_mii_bitbang_read(struct device *self) 3432 { 3433 struct tulip_softc *sc = (void *) self; 3434 3435 return (TULIP_READ(sc, CSR_MIIROM)); 3436 } 3437 3438 /* 3439 * tlp_sio_mii_bitbang_write: 3440 * 3441 * Write the MII serial port for the MII bit-bang module. 3442 */ 3443 static void 3444 tlp_sio_mii_bitbang_write(struct device *self, u_int32_t val) 3445 { 3446 struct tulip_softc *sc = (void *) self; 3447 3448 TULIP_WRITE(sc, CSR_MIIROM, val); 3449 } 3450 3451 /* 3452 * tlp_pnic_mii_readreg: 3453 * 3454 * Read a PHY register on the Lite-On PNIC. 3455 */ 3456 static int 3457 tlp_pnic_mii_readreg(struct device *self, int phy, int reg) 3458 { 3459 struct tulip_softc *sc = (void *) self; 3460 u_int32_t val; 3461 int i; 3462 3463 TULIP_WRITE(sc, CSR_PNIC_MII, 3464 PNIC_MII_MBO | PNIC_MII_RESERVED | 3465 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3466 (reg << PNIC_MII_REGSHIFT)); 3467 3468 for (i = 0; i < 1000; i++) { 3469 delay(10); 3470 val = TULIP_READ(sc, CSR_PNIC_MII); 3471 if ((val & PNIC_MII_BUSY) == 0) { 3472 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3473 return (0); 3474 else 3475 return (val & PNIC_MII_DATA); 3476 } 3477 } 3478 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3479 return (0); 3480 } 3481 3482 /* 3483 * tlp_pnic_mii_writereg: 3484 * 3485 * Write a PHY register on the Lite-On PNIC. 3486 */ 3487 static void 3488 tlp_pnic_mii_writereg(struct device *self, int phy, int reg, int val) 3489 { 3490 struct tulip_softc *sc = (void *) self; 3491 int i; 3492 3493 TULIP_WRITE(sc, CSR_PNIC_MII, 3494 PNIC_MII_MBO | PNIC_MII_RESERVED | 3495 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3496 (reg << PNIC_MII_REGSHIFT) | val); 3497 3498 for (i = 0; i < 1000; i++) { 3499 delay(10); 3500 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3501 return; 3502 } 3503 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3504 } 3505 3506 static const bus_addr_t tlp_al981_phy_regmap[] = { 3507 CSR_ADM_BMCR, 3508 CSR_ADM_BMSR, 3509 CSR_ADM_PHYIDR1, 3510 CSR_ADM_PHYIDR2, 3511 CSR_ADM_ANAR, 3512 CSR_ADM_ANLPAR, 3513 CSR_ADM_ANER, 3514 3515 CSR_ADM_XMC, 3516 CSR_ADM_XCIIS, 3517 CSR_ADM_XIE, 3518 CSR_ADM_100CTR, 3519 }; 3520 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3521 sizeof(tlp_al981_phy_regmap[0]); 3522 3523 /* 3524 * tlp_al981_mii_readreg: 3525 * 3526 * Read a PHY register on the ADMtek AL981. 3527 */ 3528 static int 3529 tlp_al981_mii_readreg(struct device *self, int phy, int reg) 3530 { 3531 struct tulip_softc *sc = (struct tulip_softc *)self; 3532 3533 /* AL981 only has an internal PHY. */ 3534 if (phy != 0) 3535 return (0); 3536 3537 if (reg >= tlp_al981_phy_regmap_size) 3538 return (0); 3539 3540 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3541 tlp_al981_phy_regmap[reg]) & 0xffff); 3542 } 3543 3544 /* 3545 * tlp_al981_mii_writereg: 3546 * 3547 * Write a PHY register on the ADMtek AL981. 3548 */ 3549 static void 3550 tlp_al981_mii_writereg(struct device *self, int phy, int reg, int val) 3551 { 3552 struct tulip_softc *sc = (struct tulip_softc *)self; 3553 3554 /* AL981 only has an internal PHY. */ 3555 if (phy != 0) 3556 return; 3557 3558 if (reg >= tlp_al981_phy_regmap_size) 3559 return; 3560 3561 bus_space_write_4(sc->sc_st, sc->sc_sh, 3562 tlp_al981_phy_regmap[reg], val); 3563 } 3564 3565 /***************************************************************************** 3566 * Chip-specific pre-init and reset functions. 3567 *****************************************************************************/ 3568 3569 /* 3570 * tlp_2114x_preinit: 3571 * 3572 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3573 */ 3574 static void 3575 tlp_2114x_preinit(struct tulip_softc *sc) 3576 { 3577 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3578 struct tulip_21x4x_media *tm = ife->ifm_aux; 3579 3580 /* 3581 * Whether or not we're in MII or SIA/SYM mode, the media info 3582 * contains the appropriate OPMODE bits. 3583 * 3584 * Also, we always set the Must-Be-One bit. 3585 */ 3586 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3587 3588 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3589 } 3590 3591 /* 3592 * tlp_2114x_mii_preinit: 3593 * 3594 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3595 * This version is used by boards which only have MII and don't have 3596 * an ISV SROM. 3597 */ 3598 static void 3599 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3600 { 3601 3602 /* 3603 * Always set the Must-Be-One bit, and Port Select (to select MII). 3604 * We'll never be called during a media change. 3605 */ 3606 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3607 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3608 } 3609 3610 /* 3611 * tlp_pnic_preinit: 3612 * 3613 * Pre-init function for the Lite-On 82c168 and 82c169. 3614 */ 3615 static void 3616 tlp_pnic_preinit(struct tulip_softc *sc) 3617 { 3618 3619 if (sc->sc_flags & TULIPF_HAS_MII) { 3620 /* 3621 * MII case: just set the port-select bit; we will never 3622 * be called during a media change. 3623 */ 3624 sc->sc_opmode |= OPMODE_PS; 3625 } else { 3626 /* 3627 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3628 */ 3629 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3630 } 3631 } 3632 3633 /* 3634 * tlp_asix_preinit: 3635 * 3636 * Pre-init function for the ASIX chipsets. 3637 */ 3638 static void 3639 tlp_asix_preinit(struct tulip_softc *sc) 3640 { 3641 3642 switch (sc->sc_chip) { 3643 case TULIP_CHIP_AX88140: 3644 case TULIP_CHIP_AX88141: 3645 /* XXX Handle PHY. */ 3646 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3647 break; 3648 default: 3649 /* Nothing */ 3650 break; 3651 } 3652 3653 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3654 } 3655 3656 /* 3657 * tlp_dm9102_preinit: 3658 * 3659 * Pre-init function for the Davicom DM9102. 3660 */ 3661 static void 3662 tlp_dm9102_preinit(struct tulip_softc *sc) 3663 { 3664 3665 switch (sc->sc_chip) { 3666 case TULIP_CHIP_DM9102: 3667 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3668 break; 3669 3670 case TULIP_CHIP_DM9102A: 3671 /* 3672 * XXX Figure out how to actually deal with the HomePNA 3673 * XXX portion of the DM9102A. 3674 */ 3675 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3676 break; 3677 3678 default: 3679 /* Nothing. */ 3680 break; 3681 } 3682 3683 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3684 } 3685 3686 /* 3687 * tlp_21140_reset: 3688 * 3689 * Issue a reset sequence on the 21140 via the GPIO facility. 3690 */ 3691 static void 3692 tlp_21140_reset(struct tulip_softc *sc) 3693 { 3694 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3695 struct tulip_21x4x_media *tm = ife->ifm_aux; 3696 int i; 3697 3698 /* First, set the direction on the GPIO pins. */ 3699 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3700 3701 /* Now, issue the reset sequence. */ 3702 for (i = 0; i < tm->tm_reset_length; i++) { 3703 delay(10); 3704 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3705 } 3706 3707 /* Now, issue the selection sequence. */ 3708 for (i = 0; i < tm->tm_gp_length; i++) { 3709 delay(10); 3710 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3711 } 3712 3713 /* If there were no sequences, just lower the pins. */ 3714 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3715 delay(10); 3716 TULIP_WRITE(sc, CSR_GPP, 0); 3717 } 3718 } 3719 3720 /* 3721 * tlp_21142_reset: 3722 * 3723 * Issue a reset sequence on the 21142 via the GPIO facility. 3724 */ 3725 static void 3726 tlp_21142_reset(struct tulip_softc *sc) 3727 { 3728 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3729 struct tulip_21x4x_media *tm = ife->ifm_aux; 3730 const u_int8_t *cp; 3731 int i; 3732 3733 cp = &sc->sc_srom[tm->tm_reset_offset]; 3734 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3735 delay(10); 3736 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3737 } 3738 3739 cp = &sc->sc_srom[tm->tm_gp_offset]; 3740 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3741 delay(10); 3742 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3743 } 3744 3745 /* If there were no sequences, just lower the pins. */ 3746 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3747 delay(10); 3748 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3749 } 3750 } 3751 3752 /* 3753 * tlp_pmac_reset: 3754 * 3755 * Reset routine for Macronix chips. 3756 */ 3757 static void 3758 tlp_pmac_reset(struct tulip_softc *sc) 3759 { 3760 3761 switch (sc->sc_chip) { 3762 case TULIP_CHIP_82C115: 3763 case TULIP_CHIP_MX98715: 3764 case TULIP_CHIP_MX98715A: 3765 case TULIP_CHIP_MX98725: 3766 /* 3767 * Set the LED operating mode. This information is located 3768 * in the EEPROM at byte offset 0x77, per the MX98715A and 3769 * MX98725 application notes. 3770 */ 3771 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3772 break; 3773 case TULIP_CHIP_MX98715AEC_X: 3774 /* 3775 * Set the LED operating mode. This information is located 3776 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3777 * application note. 3778 */ 3779 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3780 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3781 break; 3782 3783 default: 3784 /* Nothing. */ 3785 break; 3786 } 3787 } 3788 3789 #if 0 3790 /* 3791 * tlp_dm9102_reset: 3792 * 3793 * Reset routine for the Davicom DM9102. 3794 */ 3795 static void 3796 tlp_dm9102_reset(struct tulip_softc *sc) 3797 { 3798 3799 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3800 delay(100); 3801 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3802 } 3803 #endif 3804 3805 /***************************************************************************** 3806 * Chip/board-specific media switches. The ones here are ones that 3807 * are potentially common to multiple front-ends. 3808 *****************************************************************************/ 3809 3810 /* 3811 * This table is a common place for all sorts of media information, 3812 * keyed off of the SROM media code for that media. 3813 * 3814 * Note that we explicitly configure the 21142/21143 to always advertise 3815 * NWay capabilities when using the UTP port. 3816 * XXX Actually, we don't yet. 3817 */ 3818 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3819 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3820 "10baseT", 3821 OPMODE_TTM, 3822 BMSR_10THDX, 3823 { SIACONN_21040_10BASET, 3824 SIATXRX_21040_10BASET, 3825 SIAGEN_21040_10BASET }, 3826 3827 { SIACONN_21041_10BASET, 3828 SIATXRX_21041_10BASET, 3829 SIAGEN_21041_10BASET }, 3830 3831 { SIACONN_21142_10BASET, 3832 SIATXRX_21142_10BASET, 3833 SIAGEN_21142_10BASET } }, 3834 3835 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3836 "10base2", 3837 0, 3838 0, 3839 { 0, 3840 0, 3841 0 }, 3842 3843 { SIACONN_21041_BNC, 3844 SIATXRX_21041_BNC, 3845 SIAGEN_21041_BNC }, 3846 3847 { SIACONN_21142_BNC, 3848 SIATXRX_21142_BNC, 3849 SIAGEN_21142_BNC } }, 3850 3851 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3852 "10base5", 3853 0, 3854 0, 3855 { SIACONN_21040_AUI, 3856 SIATXRX_21040_AUI, 3857 SIAGEN_21040_AUI }, 3858 3859 { SIACONN_21041_AUI, 3860 SIATXRX_21041_AUI, 3861 SIAGEN_21041_AUI }, 3862 3863 { SIACONN_21142_AUI, 3864 SIATXRX_21142_AUI, 3865 SIAGEN_21142_AUI } }, 3866 3867 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3868 "100baseTX", 3869 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3870 BMSR_100TXHDX, 3871 { 0, 3872 0, 3873 0 }, 3874 3875 { 0, 3876 0, 3877 0 }, 3878 3879 { 0, 3880 0, 3881 SIAGEN_ABM } }, 3882 3883 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3884 "10baseT-FDX", 3885 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3886 BMSR_10TFDX, 3887 { SIACONN_21040_10BASET_FDX, 3888 SIATXRX_21040_10BASET_FDX, 3889 SIAGEN_21040_10BASET_FDX }, 3890 3891 { SIACONN_21041_10BASET_FDX, 3892 SIATXRX_21041_10BASET_FDX, 3893 SIAGEN_21041_10BASET_FDX }, 3894 3895 { SIACONN_21142_10BASET_FDX, 3896 SIATXRX_21142_10BASET_FDX, 3897 SIAGEN_21142_10BASET_FDX } }, 3898 3899 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3900 "100baseTX-FDX", 3901 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3902 BMSR_100TXFDX, 3903 { 0, 3904 0, 3905 0 }, 3906 3907 { 0, 3908 0, 3909 0 }, 3910 3911 { 0, 3912 0, 3913 SIAGEN_ABM } }, 3914 3915 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3916 "100baseT4", 3917 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3918 BMSR_100T4, 3919 { 0, 3920 0, 3921 0 }, 3922 3923 { 0, 3924 0, 3925 0 }, 3926 3927 { 0, 3928 0, 3929 SIAGEN_ABM } }, 3930 3931 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3932 "100baseFX", 3933 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3934 0, 3935 { 0, 3936 0, 3937 0 }, 3938 3939 { 0, 3940 0, 3941 0 }, 3942 3943 { 0, 3944 0, 3945 SIAGEN_ABM } }, 3946 3947 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3948 "100baseFX-FDX", 3949 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3950 0, 3951 { 0, 3952 0, 3953 0 }, 3954 3955 { 0, 3956 0, 3957 0 }, 3958 3959 { 0, 3960 0, 3961 SIAGEN_ABM } }, 3962 3963 { 0, 0, 0, 3964 NULL, 3965 0, 3966 0, 3967 { 0, 3968 0, 3969 0 }, 3970 3971 { 0, 3972 0, 3973 0 }, 3974 3975 { 0, 3976 0, 3977 0 } }, 3978 }; 3979 3980 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(u_int8_t); 3981 static void tlp_srom_media_info(struct tulip_softc *, 3982 const struct tulip_srom_to_ifmedia *, 3983 struct tulip_21x4x_media *); 3984 static void tlp_add_srom_media(struct tulip_softc *, int, 3985 void (*)(struct tulip_softc *, struct ifmediareq *), 3986 int (*)(struct tulip_softc *), const u_int8_t *, int); 3987 static void tlp_print_media(struct tulip_softc *); 3988 static void tlp_nway_activate(struct tulip_softc *, int); 3989 static void tlp_get_minst(struct tulip_softc *); 3990 3991 static const struct tulip_srom_to_ifmedia * 3992 tlp_srom_to_ifmedia(u_int8_t sm) 3993 { 3994 const struct tulip_srom_to_ifmedia *tsti; 3995 3996 for (tsti = tulip_srom_to_ifmedia_table; 3997 tsti->tsti_name != NULL; tsti++) { 3998 if (tsti->tsti_srom == sm) 3999 return (tsti); 4000 } 4001 4002 return (NULL); 4003 } 4004 4005 static void 4006 tlp_srom_media_info(struct tulip_softc *sc, 4007 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 4008 { 4009 4010 tm->tm_name = tsti->tsti_name; 4011 tm->tm_opmode = tsti->tsti_opmode; 4012 4013 sc->sc_sia_cap |= tsti->tsti_sia_cap; 4014 4015 switch (sc->sc_chip) { 4016 case TULIP_CHIP_DE425: 4017 case TULIP_CHIP_21040: 4018 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 4019 break; 4020 4021 case TULIP_CHIP_21041: 4022 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 4023 break; 4024 4025 case TULIP_CHIP_21142: 4026 case TULIP_CHIP_21143: 4027 case TULIP_CHIP_82C115: 4028 case TULIP_CHIP_MX98715: 4029 case TULIP_CHIP_MX98715A: 4030 case TULIP_CHIP_MX98715AEC_X: 4031 case TULIP_CHIP_MX98725: 4032 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 4033 break; 4034 4035 default: 4036 /* Nothing. */ 4037 break; 4038 } 4039 } 4040 4041 static void 4042 tlp_add_srom_media(struct tulip_softc *sc, int type, 4043 void (*get)(struct tulip_softc *, struct ifmediareq *), 4044 int (*set)(struct tulip_softc *), const u_int8_t *list, 4045 int cnt) 4046 { 4047 struct tulip_21x4x_media *tm; 4048 const struct tulip_srom_to_ifmedia *tsti; 4049 int i; 4050 4051 for (i = 0; i < cnt; i++) { 4052 tsti = tlp_srom_to_ifmedia(list[i]); 4053 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4054 tlp_srom_media_info(sc, tsti, tm); 4055 tm->tm_type = type; 4056 tm->tm_get = get; 4057 tm->tm_set = set; 4058 4059 ifmedia_add(&sc->sc_mii.mii_media, 4060 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4061 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4062 } 4063 } 4064 4065 static void 4066 tlp_print_media(struct tulip_softc *sc) 4067 { 4068 struct ifmedia_entry *ife; 4069 struct tulip_21x4x_media *tm; 4070 const char *sep = ""; 4071 4072 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 4073 4074 printf("%s: ", sc->sc_dev.dv_xname); 4075 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4076 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4077 tm = ife->ifm_aux; 4078 if (tm == NULL) { 4079 #ifdef DIAGNOSTIC 4080 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4081 panic("tlp_print_media"); 4082 #endif 4083 PRINT("auto"); 4084 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4085 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4086 PRINT(tm->tm_name); 4087 } 4088 } 4089 printf("\n"); 4090 4091 #undef PRINT 4092 } 4093 4094 static void 4095 tlp_nway_activate(struct tulip_softc *sc, int media) 4096 { 4097 struct ifmedia_entry *ife; 4098 4099 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4100 #ifdef DIAGNOSTIC 4101 if (ife == NULL) 4102 panic("tlp_nway_activate"); 4103 #endif 4104 sc->sc_nway_active = ife; 4105 } 4106 4107 static void 4108 tlp_get_minst(struct tulip_softc *sc) 4109 { 4110 4111 if ((sc->sc_media_seen & 4112 ~((1 << TULIP_ROM_MB_21140_MII) | 4113 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4114 /* 4115 * We have not yet seen any SIA/SYM media (but are 4116 * about to; that's why we're called!), so assign 4117 * the current media instance to be the `internal media' 4118 * instance, and advance it so any MII media gets a 4119 * fresh one (used to selecting/isolating a PHY). 4120 */ 4121 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4122 } 4123 } 4124 4125 /* 4126 * SIA Utility functions. 4127 */ 4128 static void tlp_sia_update_link(struct tulip_softc *); 4129 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4130 static int tlp_sia_set(struct tulip_softc *); 4131 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4132 static void tlp_sia_fixup(struct tulip_softc *); 4133 4134 static void 4135 tlp_sia_update_link(struct tulip_softc *sc) 4136 { 4137 struct ifmedia_entry *ife; 4138 struct tulip_21x4x_media *tm; 4139 u_int32_t siastat; 4140 4141 ife = TULIP_CURRENT_MEDIA(sc); 4142 tm = ife->ifm_aux; 4143 4144 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4145 4146 siastat = TULIP_READ(sc, CSR_SIASTAT); 4147 4148 /* 4149 * Note that when we do SIA link tests, we are assuming that 4150 * the chip is really in the mode that the current media setting 4151 * reflects. If we're not, then the link tests will not be 4152 * accurate! 4153 */ 4154 switch (IFM_SUBTYPE(ife->ifm_media)) { 4155 case IFM_10_T: 4156 sc->sc_flags |= TULIPF_LINK_VALID; 4157 if ((siastat & SIASTAT_LS10) == 0) 4158 sc->sc_flags |= TULIPF_LINK_UP; 4159 break; 4160 4161 case IFM_100_TX: 4162 case IFM_100_T4: 4163 sc->sc_flags |= TULIPF_LINK_VALID; 4164 if ((siastat & SIASTAT_LS100) == 0) 4165 sc->sc_flags |= TULIPF_LINK_UP; 4166 break; 4167 } 4168 4169 switch (sc->sc_chip) { 4170 case TULIP_CHIP_21142: 4171 case TULIP_CHIP_21143: 4172 /* 4173 * On these chips, we can tell more information about 4174 * AUI/BNC. Note that the AUI/BNC selection is made 4175 * in a different register; for our purpose, it's all 4176 * AUI. 4177 */ 4178 switch (IFM_SUBTYPE(ife->ifm_media)) { 4179 case IFM_10_2: 4180 case IFM_10_5: 4181 sc->sc_flags |= TULIPF_LINK_VALID; 4182 if (siastat & SIASTAT_ARA) { 4183 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4184 sc->sc_flags |= TULIPF_LINK_UP; 4185 } 4186 break; 4187 4188 default: 4189 /* 4190 * If we're SYM media and can detect the link 4191 * via the GPIO facility, prefer that status 4192 * over LS100. 4193 */ 4194 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4195 tm->tm_actmask != 0) { 4196 sc->sc_flags = (sc->sc_flags & 4197 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4198 if (TULIP_ISSET(sc, CSR_SIAGEN, 4199 tm->tm_actmask) == tm->tm_actdata) 4200 sc->sc_flags |= TULIPF_LINK_UP; 4201 } 4202 } 4203 break; 4204 4205 default: 4206 /* Nothing. */ 4207 break; 4208 } 4209 } 4210 4211 static void 4212 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4213 { 4214 struct ifmedia_entry *ife; 4215 4216 ifmr->ifm_status = 0; 4217 4218 tlp_sia_update_link(sc); 4219 4220 ife = TULIP_CURRENT_MEDIA(sc); 4221 4222 if (sc->sc_flags & TULIPF_LINK_VALID) 4223 ifmr->ifm_status |= IFM_AVALID; 4224 if (sc->sc_flags & TULIPF_LINK_UP) 4225 ifmr->ifm_status |= IFM_ACTIVE; 4226 ifmr->ifm_active = ife->ifm_media; 4227 } 4228 4229 static void 4230 tlp_sia_fixup(struct tulip_softc *sc) 4231 { 4232 struct ifmedia_entry *ife; 4233 struct tulip_21x4x_media *tm; 4234 u_int32_t siaconn, siatxrx, siagen; 4235 4236 switch (sc->sc_chip) { 4237 case TULIP_CHIP_82C115: 4238 case TULIP_CHIP_MX98713A: 4239 case TULIP_CHIP_MX98715: 4240 case TULIP_CHIP_MX98715A: 4241 case TULIP_CHIP_MX98715AEC_X: 4242 case TULIP_CHIP_MX98725: 4243 siaconn = PMAC_SIACONN_MASK; 4244 siatxrx = PMAC_SIATXRX_MASK; 4245 siagen = PMAC_SIAGEN_MASK; 4246 break; 4247 4248 default: 4249 /* No fixups required on any other chips. */ 4250 return; 4251 } 4252 4253 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4254 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4255 tm = ife->ifm_aux; 4256 if (tm == NULL) 4257 continue; 4258 4259 tm->tm_siaconn &= siaconn; 4260 tm->tm_siatxrx &= siatxrx; 4261 tm->tm_siagen &= siagen; 4262 } 4263 } 4264 4265 static int 4266 tlp_sia_set(struct tulip_softc *sc) 4267 { 4268 4269 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4270 } 4271 4272 static int 4273 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4274 { 4275 struct tulip_21x4x_media *tm; 4276 4277 tm = ife->ifm_aux; 4278 4279 /* 4280 * XXX This appears to be necessary on a bunch of the clone chips. 4281 */ 4282 delay(20000); 4283 4284 /* 4285 * Idle the chip. 4286 */ 4287 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4288 4289 /* 4290 * Program the SIA. It's important to write in this order, 4291 * resetting the SIA first. 4292 */ 4293 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4294 delay(1000); 4295 4296 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4297 4298 switch (sc->sc_chip) { 4299 case TULIP_CHIP_21142: 4300 case TULIP_CHIP_21143: 4301 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4302 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4303 break; 4304 default: 4305 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4306 } 4307 4308 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4309 4310 /* 4311 * Set the OPMODE bits for this media and write OPMODE. 4312 * This will resume the transmit and receive processes. 4313 */ 4314 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4315 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4316 4317 return (0); 4318 } 4319 4320 /* 4321 * 21140 GPIO utility functions. 4322 */ 4323 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4324 4325 static void 4326 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4327 { 4328 struct ifmedia_entry *ife; 4329 struct tulip_21x4x_media *tm; 4330 4331 ife = TULIP_CURRENT_MEDIA(sc); 4332 tm = ife->ifm_aux; 4333 4334 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4335 4336 if (tm->tm_actmask != 0) { 4337 sc->sc_flags |= TULIPF_LINK_VALID; 4338 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4339 tm->tm_actdata) 4340 sc->sc_flags |= TULIPF_LINK_UP; 4341 } 4342 } 4343 4344 void 4345 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4346 { 4347 struct ifmedia_entry *ife; 4348 4349 ifmr->ifm_status = 0; 4350 4351 tlp_21140_gpio_update_link(sc); 4352 4353 ife = TULIP_CURRENT_MEDIA(sc); 4354 4355 if (sc->sc_flags & TULIPF_LINK_VALID) 4356 ifmr->ifm_status |= IFM_AVALID; 4357 if (sc->sc_flags & TULIPF_LINK_UP) 4358 ifmr->ifm_status |= IFM_ACTIVE; 4359 ifmr->ifm_active = ife->ifm_media; 4360 } 4361 4362 int 4363 tlp_21140_gpio_set(struct tulip_softc *sc) 4364 { 4365 struct ifmedia_entry *ife; 4366 struct tulip_21x4x_media *tm; 4367 4368 ife = TULIP_CURRENT_MEDIA(sc); 4369 tm = ife->ifm_aux; 4370 4371 /* 4372 * Idle the chip. 4373 */ 4374 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4375 4376 /* 4377 * Set the GPIO pins for this media, to flip any 4378 * relays, etc. 4379 */ 4380 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4381 delay(10); 4382 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4383 4384 /* 4385 * Set the OPMODE bits for this media and write OPMODE. 4386 * This will resume the transmit and receive processes. 4387 */ 4388 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4389 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4390 4391 return (0); 4392 } 4393 4394 /* 4395 * 21040 and 21041 media switches. 4396 */ 4397 static void tlp_21040_tmsw_init(struct tulip_softc *); 4398 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4399 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4400 static void tlp_21041_tmsw_init(struct tulip_softc *); 4401 4402 const struct tulip_mediasw tlp_21040_mediasw = { 4403 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4404 }; 4405 4406 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4407 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4408 }; 4409 4410 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4411 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4412 }; 4413 4414 const struct tulip_mediasw tlp_21041_mediasw = { 4415 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4416 }; 4417 4418 static void 4419 tlp_21040_tmsw_init(struct tulip_softc *sc) 4420 { 4421 static const u_int8_t media[] = { 4422 TULIP_ROM_MB_MEDIA_TP, 4423 TULIP_ROM_MB_MEDIA_TP_FDX, 4424 TULIP_ROM_MB_MEDIA_AUI, 4425 }; 4426 struct tulip_21x4x_media *tm; 4427 4428 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4429 tlp_mediastatus); 4430 4431 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4432 4433 /* 4434 * No SROM type for External SIA. 4435 */ 4436 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4437 tm->tm_name = "manual"; 4438 tm->tm_opmode = 0; 4439 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4440 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4441 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4442 ifmedia_add(&sc->sc_mii.mii_media, 4443 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4444 4445 /* 4446 * XXX Autosense not yet supported. 4447 */ 4448 4449 /* XXX This should be auto-sense. */ 4450 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4451 4452 tlp_print_media(sc); 4453 } 4454 4455 static void 4456 tlp_21040_tp_tmsw_init(struct tulip_softc *sc) 4457 { 4458 static const u_int8_t media[] = { 4459 TULIP_ROM_MB_MEDIA_TP, 4460 TULIP_ROM_MB_MEDIA_TP_FDX, 4461 }; 4462 4463 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4464 tlp_mediastatus); 4465 4466 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4467 4468 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4469 4470 tlp_print_media(sc); 4471 } 4472 4473 static void 4474 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4475 { 4476 static const u_int8_t media[] = { 4477 TULIP_ROM_MB_MEDIA_AUI, 4478 }; 4479 4480 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4481 tlp_mediastatus); 4482 4483 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4484 4485 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4486 4487 tlp_print_media(sc); 4488 } 4489 4490 static void 4491 tlp_21041_tmsw_init(struct tulip_softc *sc) 4492 { 4493 static const u_int8_t media[] = { 4494 TULIP_ROM_MB_MEDIA_TP, 4495 TULIP_ROM_MB_MEDIA_TP_FDX, 4496 TULIP_ROM_MB_MEDIA_BNC, 4497 TULIP_ROM_MB_MEDIA_AUI, 4498 }; 4499 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4500 const struct tulip_srom_to_ifmedia *tsti; 4501 struct tulip_21x4x_media *tm; 4502 u_int16_t romdef; 4503 u_int8_t mb; 4504 4505 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4506 tlp_mediastatus); 4507 4508 if (tlp_isv_srom(sc->sc_srom) == 0) { 4509 not_isv_srom: 4510 /* 4511 * If we have a board without the standard 21041 SROM format, 4512 * we just assume all media are present and try and pick a 4513 * reasonable default. 4514 */ 4515 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4516 4517 /* 4518 * XXX Autosense not yet supported. 4519 */ 4520 4521 /* XXX This should be auto-sense. */ 4522 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4523 4524 tlp_print_media(sc); 4525 return; 4526 } 4527 4528 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4529 for (i = 0; i < devcnt; i++) { 4530 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4531 break; 4532 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4533 sc->sc_devno) 4534 break; 4535 } 4536 4537 if (i == devcnt) 4538 goto not_isv_srom; 4539 4540 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4541 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4542 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4543 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4544 4545 for (; m_cnt != 0; 4546 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4547 mb = sc->sc_srom[mb_offset]; 4548 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4549 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4550 case TULIP_ROM_MB_MEDIA_TP_FDX: 4551 case TULIP_ROM_MB_MEDIA_TP: 4552 case TULIP_ROM_MB_MEDIA_BNC: 4553 case TULIP_ROM_MB_MEDIA_AUI: 4554 tsti = tlp_srom_to_ifmedia(mb & 4555 TULIP_ROM_MB_MEDIA_CODE); 4556 4557 tlp_srom_media_info(sc, tsti, tm); 4558 4559 /* 4560 * Override our default SIA settings if the 4561 * SROM contains its own. 4562 */ 4563 if (mb & TULIP_ROM_MB_EXT) { 4564 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4565 mb_offset + TULIP_ROM_MB_CSR13); 4566 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4567 mb_offset + TULIP_ROM_MB_CSR14); 4568 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4569 mb_offset + TULIP_ROM_MB_CSR15); 4570 } 4571 4572 ifmedia_add(&sc->sc_mii.mii_media, 4573 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4574 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4575 break; 4576 4577 default: 4578 printf("%s: unknown media code 0x%02x\n", 4579 sc->sc_dev.dv_xname, 4580 mb & TULIP_ROM_MB_MEDIA_CODE); 4581 free(tm, M_DEVBUF); 4582 } 4583 } 4584 4585 /* 4586 * XXX Autosense not yet supported. 4587 */ 4588 4589 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4590 TULIP_ROM_IL_SELECT_CONN_TYPE); 4591 switch (romdef) { 4592 case SELECT_CONN_TYPE_TP: 4593 case SELECT_CONN_TYPE_TP_AUTONEG: 4594 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4595 defmedia = IFM_ETHER|IFM_10_T; 4596 break; 4597 4598 case SELECT_CONN_TYPE_TP_FDX: 4599 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4600 break; 4601 4602 case SELECT_CONN_TYPE_BNC: 4603 defmedia = IFM_ETHER|IFM_10_2; 4604 break; 4605 4606 case SELECT_CONN_TYPE_AUI: 4607 defmedia = IFM_ETHER|IFM_10_5; 4608 break; 4609 #if 0 /* XXX */ 4610 case SELECT_CONN_TYPE_ASENSE: 4611 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4612 defmedia = IFM_ETHER|IFM_AUTO; 4613 break; 4614 #endif 4615 default: 4616 defmedia = 0; 4617 } 4618 4619 if (defmedia == 0) { 4620 /* 4621 * XXX We should default to auto-sense. 4622 */ 4623 defmedia = IFM_ETHER|IFM_10_T; 4624 } 4625 4626 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4627 4628 tlp_print_media(sc); 4629 } 4630 4631 /* 4632 * DECchip 2114x ISV media switch. 4633 */ 4634 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4635 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4636 struct ifmediareq *); 4637 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4638 4639 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4640 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4641 }; 4642 4643 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4644 static int tlp_2114x_nway_set(struct tulip_softc *); 4645 4646 static void tlp_2114x_nway_statchg(struct device *); 4647 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4648 static void tlp_2114x_nway_auto(struct tulip_softc *); 4649 static void tlp_2114x_nway_status(struct tulip_softc *); 4650 4651 static void 4652 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4653 { 4654 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4655 struct ifmedia_entry *ife; 4656 struct mii_softc *phy; 4657 struct tulip_21x4x_media *tm; 4658 const struct tulip_srom_to_ifmedia *tsti; 4659 int i, devcnt, leaf_offset, m_cnt, type, length; 4660 int defmedia, miidef; 4661 u_int16_t word; 4662 u_int8_t *cp, *ncp; 4663 4664 defmedia = miidef = 0; 4665 4666 sc->sc_mii.mii_ifp = ifp; 4667 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4668 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4669 sc->sc_mii.mii_statchg = sc->sc_statchg; 4670 4671 /* 4672 * Ignore `instance'; we may get a mixture of SIA and MII 4673 * media, and `instance' is used to isolate or select the 4674 * PHY on the MII as appropriate. Note that duplicate media 4675 * are disallowed, so ignoring `instance' is safe. 4676 */ 4677 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4678 tlp_mediastatus); 4679 4680 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4681 for (i = 0; i < devcnt; i++) { 4682 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4683 break; 4684 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4685 sc->sc_devno) 4686 break; 4687 } 4688 4689 if (i == devcnt) { 4690 printf("%s: unable to locate info leaf in SROM\n", 4691 sc->sc_dev.dv_xname); 4692 return; 4693 } 4694 4695 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4696 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4697 4698 /* XXX SELECT CONN TYPE */ 4699 4700 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4701 4702 /* 4703 * On some chips, the first thing in the Info Leaf is the 4704 * GPIO pin direction data. 4705 */ 4706 switch (sc->sc_chip) { 4707 case TULIP_CHIP_21140: 4708 case TULIP_CHIP_21140A: 4709 case TULIP_CHIP_MX98713: 4710 case TULIP_CHIP_AX88140: 4711 case TULIP_CHIP_AX88141: 4712 sc->sc_gp_dir = *cp++; 4713 break; 4714 4715 default: 4716 /* Nothing. */ 4717 break; 4718 } 4719 4720 /* Get the media count. */ 4721 m_cnt = *cp++; 4722 4723 if (m_cnt == 0) { 4724 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4725 (*sc->sc_mediasw->tmsw_init)(sc); 4726 return; 4727 } 4728 4729 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4730 /* 4731 * Determine the type and length of this media block. 4732 * The 21143 is spec'd to always use extended format blocks, 4733 * but some cards don't set the bit to indicate this. 4734 * Hopefully there are no cards which really don't use 4735 * extended format blocks. 4736 */ 4737 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4738 length = 4; 4739 type = TULIP_ROM_MB_21140_GPR; 4740 } else { 4741 length = (*cp++ & 0x7f) - 1; 4742 type = *cp++ & 0x3f; 4743 } 4744 4745 /* Compute the start of the next block. */ 4746 ncp = cp + length; 4747 4748 /* Now, parse the block. */ 4749 switch (type) { 4750 case TULIP_ROM_MB_21140_GPR: 4751 tlp_get_minst(sc); 4752 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4753 4754 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4755 4756 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4757 tm->tm_get = tlp_21140_gpio_get; 4758 tm->tm_set = tlp_21140_gpio_set; 4759 4760 /* First is the media type code. */ 4761 tsti = tlp_srom_to_ifmedia(cp[0] & 4762 TULIP_ROM_MB_MEDIA_CODE); 4763 if (tsti == NULL) { 4764 /* Invalid media code. */ 4765 free(tm, M_DEVBUF); 4766 break; 4767 } 4768 4769 /* Get defaults. */ 4770 tlp_srom_media_info(sc, tsti, tm); 4771 4772 /* Next is any GPIO info for this media. */ 4773 tm->tm_gpdata = cp[1]; 4774 4775 /* 4776 * Next is a word containing OPMODE information 4777 * and info on how to detect if this media is 4778 * active. 4779 */ 4780 word = TULIP_ROM_GETW(cp, 2); 4781 tm->tm_opmode &= OPMODE_FD; 4782 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4783 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4784 tm->tm_actmask = 4785 TULIP_ROM_MB_BITPOS(word); 4786 tm->tm_actdata = 4787 (word & TULIP_ROM_MB_POLARITY) ? 4788 0 : tm->tm_actmask; 4789 } 4790 4791 ifmedia_add(&sc->sc_mii.mii_media, 4792 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4793 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4794 break; 4795 4796 case TULIP_ROM_MB_21140_MII: 4797 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4798 4799 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4800 4801 tm->tm_type = TULIP_ROM_MB_21140_MII; 4802 tm->tm_get = tlp_mii_getmedia; 4803 tm->tm_set = tlp_mii_setmedia; 4804 tm->tm_opmode = OPMODE_PS; 4805 4806 if (sc->sc_reset == NULL) 4807 sc->sc_reset = tlp_21140_reset; 4808 4809 /* First is the PHY number. */ 4810 tm->tm_phyno = *cp++; 4811 4812 /* Next is the MII select sequence length and offset. */ 4813 tm->tm_gp_length = *cp++; 4814 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4815 cp += tm->tm_gp_length; 4816 4817 /* Next is the MII reset sequence length and offset. */ 4818 tm->tm_reset_length = *cp++; 4819 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4820 cp += tm->tm_reset_length; 4821 4822 /* 4823 * The following items are left in the media block 4824 * that we don't particularly care about: 4825 * 4826 * capabilities W 4827 * advertisement W 4828 * full duplex W 4829 * tx threshold W 4830 * 4831 * These appear to be bits in the PHY registers, 4832 * which our MII code handles on its own. 4833 */ 4834 4835 /* 4836 * Before we probe the MII bus, we need to reset 4837 * it and issue the selection sequence. 4838 */ 4839 4840 /* Set the direction of the pins... */ 4841 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4842 4843 for (i = 0; i < tm->tm_reset_length; i++) { 4844 delay(10); 4845 TULIP_WRITE(sc, CSR_GPP, 4846 sc->sc_srom[tm->tm_reset_offset + i]); 4847 } 4848 4849 for (i = 0; i < tm->tm_gp_length; i++) { 4850 delay(10); 4851 TULIP_WRITE(sc, CSR_GPP, 4852 sc->sc_srom[tm->tm_gp_offset + i]); 4853 } 4854 4855 /* If there were no sequences, just lower the pins. */ 4856 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4857 delay(10); 4858 TULIP_WRITE(sc, CSR_GPP, 0); 4859 } 4860 4861 /* 4862 * Now, probe the MII for the PHY. Note, we know 4863 * the location of the PHY on the bus, but we don't 4864 * particularly care; the MII code just likes to 4865 * search the whole thing anyhow. 4866 */ 4867 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4868 MII_PHY_ANY, tm->tm_phyno, 0); 4869 4870 /* 4871 * Now, search for the PHY we hopefully just 4872 * configured. If it's not configured into the 4873 * kernel, we lose. The PHY's default media always 4874 * takes priority. 4875 */ 4876 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4877 phy != NULL; 4878 phy = LIST_NEXT(phy, mii_list)) 4879 if (phy->mii_offset == tm->tm_phyno) 4880 break; 4881 if (phy == NULL) { 4882 printf("%s: unable to configure MII\n", 4883 sc->sc_dev.dv_xname); 4884 break; 4885 } 4886 4887 sc->sc_flags |= TULIPF_HAS_MII; 4888 sc->sc_tick = tlp_mii_tick; 4889 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4890 phy->mii_inst); 4891 4892 /* 4893 * Okay, now that we've found the PHY and the MII 4894 * layer has added all of the media associated 4895 * with that PHY, we need to traverse the media 4896 * list, and add our `tm' to each entry's `aux' 4897 * pointer. 4898 * 4899 * We do this by looking for media with our 4900 * PHY's `instance'. 4901 */ 4902 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4903 ife != NULL; 4904 ife = TAILQ_NEXT(ife, ifm_list)) { 4905 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4906 continue; 4907 ife->ifm_aux = tm; 4908 } 4909 break; 4910 4911 case TULIP_ROM_MB_21142_SIA: 4912 tlp_get_minst(sc); 4913 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4914 4915 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4916 4917 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4918 tm->tm_get = tlp_sia_get; 4919 tm->tm_set = tlp_sia_set; 4920 4921 /* First is the media type code. */ 4922 tsti = tlp_srom_to_ifmedia(cp[0] & 4923 TULIP_ROM_MB_MEDIA_CODE); 4924 if (tsti == NULL) { 4925 /* Invalid media code. */ 4926 free(tm, M_DEVBUF); 4927 break; 4928 } 4929 4930 /* Get defaults. */ 4931 tlp_srom_media_info(sc, tsti, tm); 4932 4933 /* 4934 * Override our default SIA settings if the 4935 * SROM contains its own. 4936 */ 4937 if (cp[0] & 0x40) { 4938 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4939 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4940 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4941 cp += 7; 4942 } else 4943 cp++; 4944 4945 /* Next is GPIO control/data. */ 4946 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4947 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4948 4949 ifmedia_add(&sc->sc_mii.mii_media, 4950 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4951 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4952 break; 4953 4954 case TULIP_ROM_MB_21142_MII: 4955 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4956 4957 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4958 4959 tm->tm_type = TULIP_ROM_MB_21142_MII; 4960 tm->tm_get = tlp_mii_getmedia; 4961 tm->tm_set = tlp_mii_setmedia; 4962 tm->tm_opmode = OPMODE_PS; 4963 4964 if (sc->sc_reset == NULL) 4965 sc->sc_reset = tlp_21142_reset; 4966 4967 /* First is the PHY number. */ 4968 tm->tm_phyno = *cp++; 4969 4970 /* Next is the MII select sequence length and offset. */ 4971 tm->tm_gp_length = *cp++; 4972 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4973 cp += tm->tm_gp_length * 2; 4974 4975 /* Next is the MII reset sequence length and offset. */ 4976 tm->tm_reset_length = *cp++; 4977 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4978 cp += tm->tm_reset_length * 2; 4979 4980 /* 4981 * The following items are left in the media block 4982 * that we don't particularly care about: 4983 * 4984 * capabilities W 4985 * advertisement W 4986 * full duplex W 4987 * tx threshold W 4988 * MII interrupt W 4989 * 4990 * These appear to be bits in the PHY registers, 4991 * which our MII code handles on its own. 4992 */ 4993 4994 /* 4995 * Before we probe the MII bus, we need to reset 4996 * it and issue the selection sequence. 4997 */ 4998 4999 cp = &sc->sc_srom[tm->tm_reset_offset]; 5000 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 5001 delay(10); 5002 TULIP_WRITE(sc, CSR_SIAGEN, 5003 TULIP_ROM_GETW(cp, 0) << 16); 5004 } 5005 5006 cp = &sc->sc_srom[tm->tm_gp_offset]; 5007 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 5008 delay(10); 5009 TULIP_WRITE(sc, CSR_SIAGEN, 5010 TULIP_ROM_GETW(cp, 0) << 16); 5011 } 5012 5013 /* If there were no sequences, just lower the pins. */ 5014 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 5015 delay(10); 5016 TULIP_WRITE(sc, CSR_SIAGEN, 0); 5017 } 5018 5019 /* 5020 * Now, probe the MII for the PHY. Note, we know 5021 * the location of the PHY on the bus, but we don't 5022 * particularly care; the MII code just likes to 5023 * search the whole thing anyhow. 5024 */ 5025 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5026 MII_PHY_ANY, tm->tm_phyno, 0); 5027 5028 /* 5029 * Now, search for the PHY we hopefully just 5030 * configured. If it's not configured into the 5031 * kernel, we lose. The PHY's default media always 5032 * takes priority. 5033 */ 5034 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 5035 phy != NULL; 5036 phy = LIST_NEXT(phy, mii_list)) 5037 if (phy->mii_offset == tm->tm_phyno) 5038 break; 5039 if (phy == NULL) { 5040 printf("%s: unable to configure MII\n", 5041 sc->sc_dev.dv_xname); 5042 break; 5043 } 5044 5045 sc->sc_flags |= TULIPF_HAS_MII; 5046 sc->sc_tick = tlp_mii_tick; 5047 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 5048 phy->mii_inst); 5049 5050 /* 5051 * Okay, now that we've found the PHY and the MII 5052 * layer has added all of the media associated 5053 * with that PHY, we need to traverse the media 5054 * list, and add our `tm' to each entry's `aux' 5055 * pointer. 5056 * 5057 * We do this by looking for media with our 5058 * PHY's `instance'. 5059 */ 5060 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5061 ife != NULL; 5062 ife = TAILQ_NEXT(ife, ifm_list)) { 5063 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 5064 continue; 5065 ife->ifm_aux = tm; 5066 } 5067 break; 5068 5069 case TULIP_ROM_MB_21143_SYM: 5070 tlp_get_minst(sc); 5071 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5072 5073 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5074 5075 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5076 tm->tm_get = tlp_sia_get; 5077 tm->tm_set = tlp_sia_set; 5078 5079 /* First is the media type code. */ 5080 tsti = tlp_srom_to_ifmedia(cp[0] & 5081 TULIP_ROM_MB_MEDIA_CODE); 5082 if (tsti == NULL) { 5083 /* Invalid media code. */ 5084 free(tm, M_DEVBUF); 5085 break; 5086 } 5087 5088 /* Get defaults. */ 5089 tlp_srom_media_info(sc, tsti, tm); 5090 5091 /* Next is GPIO control/data. */ 5092 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5093 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5094 5095 /* 5096 * Next is a word containing OPMODE information 5097 * and info on how to detect if this media is 5098 * active. 5099 */ 5100 word = TULIP_ROM_GETW(cp, 5); 5101 tm->tm_opmode &= OPMODE_FD; 5102 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5103 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5104 tm->tm_actmask = 5105 TULIP_ROM_MB_BITPOS(word); 5106 tm->tm_actdata = 5107 (word & TULIP_ROM_MB_POLARITY) ? 5108 0 : tm->tm_actmask; 5109 } 5110 5111 ifmedia_add(&sc->sc_mii.mii_media, 5112 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5113 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5114 break; 5115 5116 case TULIP_ROM_MB_21143_RESET: 5117 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 5118 break; 5119 5120 default: 5121 printf("%s: unknown ISV media block type 0x%02x\n", 5122 sc->sc_dev.dv_xname, type); 5123 } 5124 } 5125 5126 /* 5127 * Deal with the case where no media is configured. 5128 */ 5129 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5130 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 5131 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5132 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5133 return; 5134 } 5135 5136 /* 5137 * Pick the default media. 5138 */ 5139 if (miidef != 0) 5140 defmedia = miidef; 5141 else { 5142 switch (sc->sc_chip) { 5143 case TULIP_CHIP_21140: 5144 case TULIP_CHIP_21140A: 5145 /* XXX should come from SROM */ 5146 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5147 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5148 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5149 /* 5150 * There is not a 10baseT media. 5151 * Fall back to the first found one. 5152 */ 5153 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5154 defmedia = ife->ifm_media; 5155 } 5156 break; 5157 5158 case TULIP_CHIP_21142: 5159 case TULIP_CHIP_21143: 5160 case TULIP_CHIP_MX98713A: 5161 case TULIP_CHIP_MX98715: 5162 case TULIP_CHIP_MX98715A: 5163 case TULIP_CHIP_MX98715AEC_X: 5164 case TULIP_CHIP_MX98725: 5165 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5166 tm->tm_name = "auto"; 5167 tm->tm_get = tlp_2114x_nway_get; 5168 tm->tm_set = tlp_2114x_nway_set; 5169 5170 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5171 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5172 5173 sc->sc_statchg = tlp_2114x_nway_statchg; 5174 sc->sc_tick = tlp_2114x_nway_tick; 5175 break; 5176 5177 default: 5178 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5179 break; 5180 } 5181 } 5182 5183 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5184 5185 /* 5186 * Display any non-MII media we've located. 5187 */ 5188 if (sc->sc_media_seen & 5189 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5190 tlp_print_media(sc); 5191 5192 tlp_sia_fixup(sc); 5193 } 5194 5195 static void 5196 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5197 { 5198 5199 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5200 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5201 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5202 } 5203 5204 static int 5205 tlp_2114x_nway_set(struct tulip_softc *sc) 5206 { 5207 5208 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5209 } 5210 5211 static void 5212 tlp_2114x_nway_statchg(struct device *self) 5213 { 5214 struct tulip_softc *sc = (struct tulip_softc *)self; 5215 struct mii_data *mii = &sc->sc_mii; 5216 struct ifmedia_entry *ife; 5217 5218 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5219 return; 5220 5221 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5222 mii->mii_media.ifm_mask)) == NULL) { 5223 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5224 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5225 panic("tlp_2114x_nway_statchg"); 5226 } 5227 5228 tlp_sia_media(sc, ife); 5229 } 5230 5231 static void 5232 tlp_2114x_nway_tick(void *arg) 5233 { 5234 struct tulip_softc *sc = arg; 5235 struct mii_data *mii = &sc->sc_mii; 5236 int s, ticks; 5237 5238 if (!device_is_active(&sc->sc_dev)) 5239 return; 5240 5241 s = splnet(); 5242 tlp_2114x_nway_service(sc, MII_TICK); 5243 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5244 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5245 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5246 sc->sc_flags |= TULIPF_LINK_UP; 5247 tlp_start(&sc->sc_ethercom.ec_if); 5248 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5249 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5250 sc->sc_flags &= ~TULIPF_LINK_UP; 5251 } 5252 splx(s); 5253 5254 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5255 ticks = hz >> 3; 5256 else 5257 ticks = hz; 5258 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5259 } 5260 5261 /* 5262 * Support for the 2114X internal NWay block. This is constructed 5263 * somewhat like a PHY driver for simplicity. 5264 */ 5265 5266 static int 5267 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5268 { 5269 struct mii_data *mii = &sc->sc_mii; 5270 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5271 5272 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5273 return (0); 5274 5275 switch (cmd) { 5276 case MII_POLLSTAT: 5277 /* Nothing special to do here. */ 5278 break; 5279 5280 case MII_MEDIACHG: 5281 switch (IFM_SUBTYPE(ife->ifm_media)) { 5282 case IFM_AUTO: 5283 goto restart; 5284 default: 5285 /* Manual setting doesn't go through here. */ 5286 printf("tlp_2114x_nway_service: oops!\n"); 5287 return (EINVAL); 5288 } 5289 break; 5290 5291 case MII_TICK: 5292 /* 5293 * Only used for autonegotiation. 5294 */ 5295 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5296 break; 5297 5298 /* 5299 * Check to see if we have link. If we do, we don't 5300 * need to restart the autonegotiation process. 5301 */ 5302 #if 0 5303 if (mii->mii_media_status & IFM_ACTIVE) 5304 #else 5305 if (sc->sc_flags & TULIPF_LINK_UP) 5306 #endif 5307 break; 5308 5309 /* 5310 * Only retry autonegotiation every 5 seconds. 5311 */ 5312 if (++sc->sc_nway_ticks != (5 << 3)) 5313 break; 5314 5315 restart: 5316 sc->sc_nway_ticks = 0; 5317 ife->ifm_data = IFM_NONE; 5318 tlp_2114x_nway_auto(sc); 5319 break; 5320 } 5321 5322 /* Update the media status. */ 5323 tlp_2114x_nway_status(sc); 5324 5325 /* 5326 * Callback if something changed. Manually configuration goes through 5327 * tlp_sia_set() anyway, so ignore that here. 5328 */ 5329 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5330 ife->ifm_data != mii->mii_media_active) { 5331 (*sc->sc_statchg)(&sc->sc_dev); 5332 ife->ifm_data = mii->mii_media_active; 5333 } 5334 return (0); 5335 } 5336 5337 static void 5338 tlp_2114x_nway_auto(struct tulip_softc *sc) 5339 { 5340 uint32_t siastat, siatxrx; 5341 5342 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5343 5344 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5345 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5346 siatxrx = 0xffbf; /* XXX magic number */ 5347 5348 /* Compute the link code word to advertise. */ 5349 if (sc->sc_sia_cap & BMSR_100T4) 5350 siatxrx |= SIATXRX_T4; 5351 if (sc->sc_sia_cap & BMSR_100TXFDX) 5352 siatxrx |= SIATXRX_TXF; 5353 if (sc->sc_sia_cap & BMSR_100TXHDX) 5354 siatxrx |= SIATXRX_THX; 5355 if (sc->sc_sia_cap & BMSR_10TFDX) 5356 sc->sc_opmode |= OPMODE_FD; 5357 if (sc->sc_sia_cap & BMSR_10THDX) 5358 siatxrx |= SIATXRX_TH; 5359 5360 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5361 5362 TULIP_WRITE(sc, CSR_SIACONN, 0); 5363 delay(1000); 5364 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5365 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5366 5367 siastat = TULIP_READ(sc, CSR_SIASTAT); 5368 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5369 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5370 siastat |= SIASTAT_ANS_TXDIS; 5371 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5372 } 5373 5374 static void 5375 tlp_2114x_nway_status(struct tulip_softc *sc) 5376 { 5377 struct mii_data *mii = &sc->sc_mii; 5378 uint32_t siatxrx, siastat, anlpar; 5379 5380 mii->mii_media_status = IFM_AVALID; 5381 mii->mii_media_active = IFM_ETHER; 5382 5383 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5384 return; 5385 5386 siastat = TULIP_READ(sc, CSR_SIASTAT); 5387 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5388 5389 if (siatxrx & SIATXRX_ANE) { 5390 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5391 /* Erg, still trying, I guess... */ 5392 mii->mii_media_active |= IFM_NONE; 5393 return; 5394 } 5395 5396 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5397 mii->mii_media_status |= IFM_ACTIVE; 5398 5399 if (siastat & SIASTAT_LPN) { 5400 anlpar = SIASTAT_GETLPC(siastat); 5401 if (anlpar & ANLPAR_T4 && 5402 sc->sc_sia_cap & BMSR_100T4) 5403 mii->mii_media_active |= IFM_100_T4; 5404 else if (anlpar & ANLPAR_TX_FD && 5405 sc->sc_sia_cap & BMSR_100TXFDX) 5406 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5407 else if (anlpar & ANLPAR_TX && 5408 sc->sc_sia_cap & BMSR_100TXHDX) 5409 mii->mii_media_active |= IFM_100_TX; 5410 else if (anlpar & ANLPAR_10_FD && 5411 sc->sc_sia_cap & BMSR_10TFDX) 5412 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5413 else if (anlpar & ANLPAR_10 && 5414 sc->sc_sia_cap & BMSR_10THDX) 5415 mii->mii_media_active |= IFM_10_T; 5416 else 5417 mii->mii_media_active |= IFM_NONE; 5418 } else { 5419 /* 5420 * If the other side doesn't support NWAY, then the 5421 * best we can do is determine if we have a 10Mbps or 5422 * 100Mbps link. There's no way to know if the link 5423 * is full or half duplex, so we default to half duplex 5424 * and hope that the user is clever enough to manually 5425 * change the media settings if we're wrong. 5426 */ 5427 if ((siastat & SIASTAT_LS100) == 0) 5428 mii->mii_media_active |= IFM_100_TX; 5429 else if ((siastat & SIASTAT_LS10) == 0) 5430 mii->mii_media_active |= IFM_10_T; 5431 else 5432 mii->mii_media_active |= IFM_NONE; 5433 } 5434 } else { 5435 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5436 mii->mii_media_status |= IFM_ACTIVE; 5437 5438 if (sc->sc_opmode & OPMODE_TTM) 5439 mii->mii_media_active |= IFM_10_T; 5440 else 5441 mii->mii_media_active |= IFM_100_TX; 5442 if (sc->sc_opmode & OPMODE_FD) 5443 mii->mii_media_active |= IFM_FDX; 5444 } 5445 } 5446 5447 static void 5448 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5449 { 5450 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5451 struct tulip_21x4x_media *tm = ife->ifm_aux; 5452 5453 (*tm->tm_get)(sc, ifmr); 5454 } 5455 5456 static int 5457 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5458 { 5459 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5460 struct tulip_21x4x_media *tm = ife->ifm_aux; 5461 5462 /* 5463 * Check to see if we need to reset the chip, and do it. The 5464 * reset path will get the OPMODE register right the next 5465 * time through. 5466 */ 5467 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5468 return (tlp_init(&sc->sc_ethercom.ec_if)); 5469 5470 return ((*tm->tm_set)(sc)); 5471 } 5472 5473 /* 5474 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5475 */ 5476 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5477 5478 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5479 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5480 }; 5481 5482 static void 5483 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5484 { 5485 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5486 5487 /* 5488 * We don't attach any media info structures to the ifmedia 5489 * entries, so if we're using a pre-init function that needs 5490 * that info, override it to one that doesn't. 5491 */ 5492 if (sc->sc_preinit == tlp_2114x_preinit) 5493 sc->sc_preinit = tlp_2114x_mii_preinit; 5494 5495 sc->sc_mii.mii_ifp = ifp; 5496 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5497 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5498 sc->sc_mii.mii_statchg = sc->sc_statchg; 5499 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5500 tlp_mediastatus); 5501 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5502 MII_OFFSET_ANY, 0); 5503 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5504 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5505 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5506 } else { 5507 sc->sc_flags |= TULIPF_HAS_MII; 5508 sc->sc_tick = tlp_mii_tick; 5509 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5510 } 5511 } 5512 5513 /* 5514 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5515 */ 5516 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5517 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5518 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5519 5520 const struct tulip_mediasw tlp_pnic_mediasw = { 5521 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5522 }; 5523 5524 static void tlp_pnic_nway_statchg(struct device *); 5525 static void tlp_pnic_nway_tick(void *); 5526 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5527 static void tlp_pnic_nway_reset(struct tulip_softc *); 5528 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5529 static void tlp_pnic_nway_auto_timeout(void *); 5530 static void tlp_pnic_nway_status(struct tulip_softc *); 5531 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5532 5533 static void 5534 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5535 { 5536 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5537 const char *sep = ""; 5538 5539 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5540 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5541 5542 sc->sc_mii.mii_ifp = ifp; 5543 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5544 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5545 sc->sc_mii.mii_statchg = sc->sc_statchg; 5546 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5547 tlp_mediastatus); 5548 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5549 MII_OFFSET_ANY, 0); 5550 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5551 /* XXX What about AUI/BNC support? */ 5552 printf("%s: ", sc->sc_dev.dv_xname); 5553 5554 tlp_pnic_nway_reset(sc); 5555 5556 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5557 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5558 PRINT("10baseT"); 5559 5560 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5561 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5562 PRINT("10baseT-FDX"); 5563 5564 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5565 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5566 PRINT("100baseTX"); 5567 5568 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5569 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5570 PNIC_NWAY_CAP100TXFDX); 5571 PRINT("100baseTX-FDX"); 5572 5573 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5574 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5575 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5576 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5577 PRINT("auto"); 5578 5579 printf("\n"); 5580 5581 sc->sc_statchg = tlp_pnic_nway_statchg; 5582 sc->sc_tick = tlp_pnic_nway_tick; 5583 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5584 } else { 5585 sc->sc_flags |= TULIPF_HAS_MII; 5586 sc->sc_tick = tlp_mii_tick; 5587 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5588 } 5589 5590 #undef ADD 5591 #undef PRINT 5592 } 5593 5594 static void 5595 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5596 { 5597 struct mii_data *mii = &sc->sc_mii; 5598 5599 if (sc->sc_flags & TULIPF_HAS_MII) 5600 tlp_mii_getmedia(sc, ifmr); 5601 else { 5602 mii->mii_media_status = 0; 5603 mii->mii_media_active = IFM_NONE; 5604 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5605 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5606 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5607 } 5608 } 5609 5610 static int 5611 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5612 { 5613 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5614 struct mii_data *mii = &sc->sc_mii; 5615 5616 if (sc->sc_flags & TULIPF_HAS_MII) { 5617 /* 5618 * Make sure the built-in Tx jabber timer is disabled. 5619 */ 5620 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5621 5622 return (tlp_mii_setmedia(sc)); 5623 } 5624 5625 if (ifp->if_flags & IFF_UP) { 5626 mii->mii_media_status = 0; 5627 mii->mii_media_active = IFM_NONE; 5628 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5629 } 5630 5631 return (0); 5632 } 5633 5634 static void 5635 tlp_pnic_nway_statchg(struct device *self) 5636 { 5637 struct tulip_softc *sc = (struct tulip_softc *)self; 5638 5639 /* Idle the transmit and receive processes. */ 5640 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5641 5642 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5643 OPMODE_SCR|OPMODE_HBD); 5644 5645 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5646 sc->sc_opmode |= OPMODE_TTM; 5647 TULIP_WRITE(sc, CSR_GPP, 5648 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5649 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5650 } else { 5651 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5652 TULIP_WRITE(sc, CSR_GPP, 5653 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5654 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5655 } 5656 5657 if (sc->sc_mii.mii_media_active & IFM_FDX) 5658 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5659 5660 /* 5661 * Write new OPMODE bits. This also restarts the transmit 5662 * and receive processes. 5663 */ 5664 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5665 } 5666 5667 static void 5668 tlp_pnic_nway_tick(void *arg) 5669 { 5670 struct tulip_softc *sc = arg; 5671 int s; 5672 5673 if (!device_is_active(&sc->sc_dev)) 5674 return; 5675 5676 s = splnet(); 5677 tlp_pnic_nway_service(sc, MII_TICK); 5678 splx(s); 5679 5680 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5681 } 5682 5683 /* 5684 * Support for the Lite-On PNIC internal NWay block. This is constructed 5685 * somewhat like a PHY driver for simplicity. 5686 */ 5687 5688 static int 5689 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5690 { 5691 struct mii_data *mii = &sc->sc_mii; 5692 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5693 5694 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5695 return (0); 5696 5697 switch (cmd) { 5698 case MII_POLLSTAT: 5699 /* Nothing special to do here. */ 5700 break; 5701 5702 case MII_MEDIACHG: 5703 switch (IFM_SUBTYPE(ife->ifm_media)) { 5704 case IFM_AUTO: 5705 (void) tlp_pnic_nway_auto(sc, 1); 5706 break; 5707 case IFM_100_T4: 5708 /* 5709 * XXX Not supported as a manual setting right now. 5710 */ 5711 return (EINVAL); 5712 default: 5713 /* 5714 * NWAY register data is stored in the ifmedia entry. 5715 */ 5716 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5717 } 5718 break; 5719 5720 case MII_TICK: 5721 /* 5722 * Only used for autonegotiation. 5723 */ 5724 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5725 return (0); 5726 5727 /* 5728 * Check to see if we have link. If we do, we don't 5729 * need to restart the autonegotiation process. 5730 */ 5731 if (sc->sc_flags & TULIPF_LINK_UP) 5732 return (0); 5733 5734 /* 5735 * Only retry autonegotiation every 5 seconds. 5736 */ 5737 if (++sc->sc_nway_ticks != 5) 5738 return (0); 5739 5740 sc->sc_nway_ticks = 0; 5741 tlp_pnic_nway_reset(sc); 5742 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5743 return (0); 5744 break; 5745 } 5746 5747 /* Update the media status. */ 5748 tlp_pnic_nway_status(sc); 5749 5750 /* Callback if something changed. */ 5751 if ((sc->sc_nway_active == NULL || 5752 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5753 cmd == MII_MEDIACHG) { 5754 (*sc->sc_statchg)(&sc->sc_dev); 5755 tlp_nway_activate(sc, mii->mii_media_active); 5756 } 5757 return (0); 5758 } 5759 5760 static void 5761 tlp_pnic_nway_reset(struct tulip_softc *sc) 5762 { 5763 5764 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5765 delay(100); 5766 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5767 } 5768 5769 static int 5770 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5771 { 5772 struct mii_data *mii = &sc->sc_mii; 5773 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5774 u_int32_t reg; 5775 int i; 5776 5777 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5778 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5779 5780 if (waitfor) { 5781 /* Wait 500ms for it to complete. */ 5782 for (i = 0; i < 500; i++) { 5783 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5784 if (reg & PNIC_NWAY_LPAR_MASK) { 5785 tlp_pnic_nway_acomp(sc); 5786 return (0); 5787 } 5788 delay(1000); 5789 } 5790 #if 0 5791 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5792 printf("%s: autonegotiation failed to complete\n", 5793 sc->sc_dev.dv_xname); 5794 #endif 5795 5796 /* 5797 * Don't need to worry about clearing DOINGAUTO. 5798 * If that's set, a timeout is pending, and it will 5799 * clear the flag. 5800 */ 5801 return (EIO); 5802 } 5803 5804 /* 5805 * Just let it finish asynchronously. This is for the benefit of 5806 * the tick handler driving autonegotiation. Don't want 500ms 5807 * delays all the time while the system is running! 5808 */ 5809 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5810 sc->sc_flags |= TULIPF_DOINGAUTO; 5811 callout_reset(&sc->sc_nway_callout, hz >> 1, 5812 tlp_pnic_nway_auto_timeout, sc); 5813 } 5814 return (EJUSTRETURN); 5815 } 5816 5817 static void 5818 tlp_pnic_nway_auto_timeout(void *arg) 5819 { 5820 struct tulip_softc *sc = arg; 5821 u_int32_t reg; 5822 int s; 5823 5824 s = splnet(); 5825 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5826 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5827 #if 0 5828 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5829 printf("%s: autonegotiation failed to complete\n", 5830 sc->sc_dev.dv_xname); 5831 #endif 5832 5833 tlp_pnic_nway_acomp(sc); 5834 5835 /* Update the media status. */ 5836 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5837 splx(s); 5838 } 5839 5840 static void 5841 tlp_pnic_nway_status(struct tulip_softc *sc) 5842 { 5843 struct mii_data *mii = &sc->sc_mii; 5844 u_int32_t reg; 5845 5846 mii->mii_media_status = IFM_AVALID; 5847 mii->mii_media_active = IFM_ETHER; 5848 5849 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5850 5851 if (sc->sc_flags & TULIPF_LINK_UP) 5852 mii->mii_media_status |= IFM_ACTIVE; 5853 5854 if (reg & PNIC_NWAY_NW) { 5855 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5856 /* Erg, still trying, I guess... */ 5857 mii->mii_media_active |= IFM_NONE; 5858 return; 5859 } 5860 5861 #if 0 5862 if (reg & PNIC_NWAY_LPAR100T4) 5863 mii->mii_media_active |= IFM_100_T4; 5864 else 5865 #endif 5866 if (reg & PNIC_NWAY_LPAR100TXFDX) 5867 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5868 else if (reg & PNIC_NWAY_LPAR100TX) 5869 mii->mii_media_active |= IFM_100_TX; 5870 else if (reg & PNIC_NWAY_LPAR10TFDX) 5871 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5872 else if (reg & PNIC_NWAY_LPAR10T) 5873 mii->mii_media_active |= IFM_10_T; 5874 else 5875 mii->mii_media_active |= IFM_NONE; 5876 } else { 5877 if (reg & PNIC_NWAY_100) 5878 mii->mii_media_active |= IFM_100_TX; 5879 else 5880 mii->mii_media_active |= IFM_10_T; 5881 if (reg & PNIC_NWAY_FD) 5882 mii->mii_media_active |= IFM_FDX; 5883 } 5884 } 5885 5886 static void 5887 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5888 { 5889 u_int32_t reg; 5890 5891 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5892 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5893 5894 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5895 reg |= PNIC_NWAY_100; 5896 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5897 reg |= PNIC_NWAY_FD; 5898 5899 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5900 } 5901 5902 /* 5903 * Macronix PMAC and Lite-On PNIC-II media switch: 5904 * 5905 * MX98713 and MX98713A 21140-like MII or GPIO media. 5906 * 5907 * MX98713A 21143-like MII or SIA/SYM media. 5908 * 5909 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5910 * 82C115, MX98715AEC-C, -E 5911 * 5912 * So, what we do here is fake MII-on-SIO or ISV media info, and 5913 * use the ISV media switch get/set functions to handle the rest. 5914 */ 5915 5916 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5917 5918 const struct tulip_mediasw tlp_pmac_mediasw = { 5919 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5920 }; 5921 5922 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5923 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5924 }; 5925 5926 static void 5927 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5928 { 5929 static const u_int8_t media[] = { 5930 TULIP_ROM_MB_MEDIA_TP, 5931 TULIP_ROM_MB_MEDIA_TP_FDX, 5932 TULIP_ROM_MB_MEDIA_100TX, 5933 TULIP_ROM_MB_MEDIA_100TX_FDX, 5934 }; 5935 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5936 struct tulip_21x4x_media *tm; 5937 5938 sc->sc_mii.mii_ifp = ifp; 5939 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5940 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5941 sc->sc_mii.mii_statchg = sc->sc_statchg; 5942 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5943 tlp_mediastatus); 5944 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5945 sc->sc_chip == TULIP_CHIP_MX98713A) { 5946 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5947 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5948 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5949 sc->sc_flags |= TULIPF_HAS_MII; 5950 sc->sc_tick = tlp_mii_tick; 5951 sc->sc_preinit = tlp_2114x_mii_preinit; 5952 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5953 ifmedia_set(&sc->sc_mii.mii_media, 5954 IFM_ETHER|IFM_AUTO); 5955 return; 5956 } 5957 } 5958 5959 switch (sc->sc_chip) { 5960 case TULIP_CHIP_MX98713: 5961 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5962 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5963 5964 /* 5965 * XXX Should implement auto-sense for this someday, 5966 * XXX when we do the same for the 21140. 5967 */ 5968 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5969 break; 5970 5971 default: 5972 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5973 tlp_sia_get, tlp_sia_set, media, 2); 5974 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5975 tlp_sia_get, tlp_sia_set, media + 2, 2); 5976 5977 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5978 tm->tm_name = "auto"; 5979 tm->tm_get = tlp_2114x_nway_get; 5980 tm->tm_set = tlp_2114x_nway_set; 5981 ifmedia_add(&sc->sc_mii.mii_media, 5982 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5983 5984 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5985 sc->sc_statchg = tlp_2114x_nway_statchg; 5986 sc->sc_tick = tlp_2114x_nway_tick; 5987 break; 5988 } 5989 5990 tlp_print_media(sc); 5991 tlp_sia_fixup(sc); 5992 5993 /* Set the LED modes. */ 5994 tlp_pmac_reset(sc); 5995 5996 sc->sc_reset = tlp_pmac_reset; 5997 } 5998 5999 /* 6000 * ADMtek AL981 media switch. Only has internal PHY. 6001 */ 6002 static void tlp_al981_tmsw_init(struct tulip_softc *); 6003 6004 const struct tulip_mediasw tlp_al981_mediasw = { 6005 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6006 }; 6007 6008 static void 6009 tlp_al981_tmsw_init(struct tulip_softc *sc) 6010 { 6011 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6012 6013 sc->sc_mii.mii_ifp = ifp; 6014 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 6015 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 6016 sc->sc_mii.mii_statchg = sc->sc_statchg; 6017 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6018 tlp_mediastatus); 6019 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6020 MII_OFFSET_ANY, 0); 6021 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6022 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6023 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6024 } else { 6025 sc->sc_flags |= TULIPF_HAS_MII; 6026 sc->sc_tick = tlp_mii_tick; 6027 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6028 } 6029 } 6030 6031 /* 6032 * ADMtek AN983/985 media switch. Only has internal PHY, but 6033 * on an SIO-like interface. Unfortunately, we can't use the 6034 * standard SIO media switch, because the AN985 "ghosts" the 6035 * singly PHY at every address. 6036 */ 6037 static void tlp_an985_tmsw_init(struct tulip_softc *); 6038 6039 const struct tulip_mediasw tlp_an985_mediasw = { 6040 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6041 }; 6042 6043 static void 6044 tlp_an985_tmsw_init(struct tulip_softc *sc) 6045 { 6046 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6047 6048 sc->sc_mii.mii_ifp = ifp; 6049 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6050 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6051 sc->sc_mii.mii_statchg = sc->sc_statchg; 6052 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6053 tlp_mediastatus); 6054 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6055 MII_OFFSET_ANY, 0); 6056 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6057 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6058 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6059 } else { 6060 sc->sc_flags |= TULIPF_HAS_MII; 6061 sc->sc_tick = tlp_mii_tick; 6062 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6063 } 6064 } 6065 6066 /* 6067 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 6068 */ 6069 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 6070 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6071 struct ifmediareq *); 6072 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6073 6074 const struct tulip_mediasw tlp_dm9102_mediasw = { 6075 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6076 tlp_dm9102_tmsw_setmedia 6077 }; 6078 6079 static void 6080 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6081 { 6082 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6083 u_int32_t opmode; 6084 6085 sc->sc_mii.mii_ifp = ifp; 6086 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6087 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6088 sc->sc_mii.mii_statchg = sc->sc_statchg; 6089 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6090 tlp_mediastatus); 6091 6092 /* PHY block already reset via tlp_reset(). */ 6093 6094 /* 6095 * Configure OPMODE properly for the internal MII interface. 6096 */ 6097 switch (sc->sc_chip) { 6098 case TULIP_CHIP_DM9102: 6099 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6100 break; 6101 6102 case TULIP_CHIP_DM9102A: 6103 opmode = OPMODE_MBO|OPMODE_HBD; 6104 break; 6105 6106 default: 6107 opmode = 0; 6108 break; 6109 } 6110 6111 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6112 6113 /* Now, probe the internal MII for the internal PHY. */ 6114 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6115 MII_OFFSET_ANY, 0); 6116 6117 /* 6118 * XXX Figure out what to do about the HomePNA portion 6119 * XXX of the DM9102A. 6120 */ 6121 6122 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6123 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6124 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6125 } else { 6126 sc->sc_flags |= TULIPF_HAS_MII; 6127 sc->sc_tick = tlp_mii_tick; 6128 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6129 } 6130 } 6131 6132 static void 6133 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6134 { 6135 6136 /* XXX HomePNA on DM9102A. */ 6137 tlp_mii_getmedia(sc, ifmr); 6138 } 6139 6140 static int 6141 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6142 { 6143 6144 /* XXX HomePNA on DM9102A. */ 6145 return (tlp_mii_setmedia(sc)); 6146 } 6147 6148 /* 6149 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6150 */ 6151 6152 static void tlp_asix_tmsw_init(struct tulip_softc *); 6153 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6154 struct ifmediareq *); 6155 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6156 6157 const struct tulip_mediasw tlp_asix_mediasw = { 6158 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6159 tlp_asix_tmsw_setmedia 6160 }; 6161 6162 static void 6163 tlp_asix_tmsw_init(struct tulip_softc *sc) 6164 { 6165 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6166 u_int32_t opmode; 6167 6168 sc->sc_mii.mii_ifp = ifp; 6169 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6170 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6171 sc->sc_mii.mii_statchg = sc->sc_statchg; 6172 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6173 tlp_mediastatus); 6174 6175 /* 6176 * Configure OPMODE properly for the internal MII interface. 6177 */ 6178 switch (sc->sc_chip) { 6179 case TULIP_CHIP_AX88140: 6180 case TULIP_CHIP_AX88141: 6181 opmode = OPMODE_HBD|OPMODE_PS; 6182 break; 6183 default: 6184 opmode = 0; 6185 break; 6186 } 6187 6188 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6189 6190 /* Now, probe the internal MII for the internal PHY. */ 6191 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6192 MII_OFFSET_ANY, 0); 6193 6194 /* XXX Figure how to handle the PHY. */ 6195 6196 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6197 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6198 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6199 } else { 6200 sc->sc_flags |= TULIPF_HAS_MII; 6201 sc->sc_tick = tlp_mii_tick; 6202 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6203 } 6204 6205 6206 } 6207 6208 static void 6209 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6210 { 6211 6212 /* XXX PHY handling. */ 6213 tlp_mii_getmedia(sc, ifmr); 6214 } 6215 6216 static int 6217 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6218 { 6219 6220 /* XXX PHY handling. */ 6221 return (tlp_mii_setmedia(sc)); 6222 } 6223 6224 /* 6225 * RS7112 media switch. Handles only MII attached to the SIO. 6226 * We only have a PHY at 1. 6227 */ 6228 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6229 6230 const struct tulip_mediasw tlp_rs7112_mediasw = { 6231 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6232 }; 6233 6234 void 6235 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6236 { 6237 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6238 6239 /* 6240 * We don't attach any media info structures to the ifmedia 6241 * entries, so if we're using a pre-init function that needs 6242 * that info, override it to one that doesn't. 6243 */ 6244 if (sc->sc_preinit == tlp_2114x_preinit) 6245 sc->sc_preinit = tlp_2114x_mii_preinit; 6246 6247 sc->sc_mii.mii_ifp = ifp; 6248 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6249 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6250 sc->sc_mii.mii_statchg = sc->sc_statchg; 6251 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6252 tlp_mediastatus); 6253 6254 /* 6255 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6256 * and 1 (ethernet). We attach ethernet only. 6257 */ 6258 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6259 MII_OFFSET_ANY, 0); 6260 6261 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6262 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6263 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6264 } else { 6265 sc->sc_flags |= TULIPF_HAS_MII; 6266 sc->sc_tick = tlp_mii_tick; 6267 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6268 } 6269 } 6270
Indexes created Fri Sep 26 08:10:20 GMT 2025