tulip.c revision 1.137.2.6
1 /* $NetBSD: tulip.c,v 1.137.2.6 2008/01/21 09:43:10 yamt 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 1.137.2.6 2008/01/21 09:43:10 yamt 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 <sys/bus.h> 75 #include <sys/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, void *); 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, 0); 205 callout_init(&sc->sc_tick_callout, 0); 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), (void **)&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, (void *)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, (void *)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, void *)); 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, void *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, void *), mtod(rxs->rxs_mbuf, void *), 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 it's for us. 1416 */ 1417 if (ifp->if_bpf) 1418 bpf_mtap(ifp->if_bpf, m); 1419 #endif /* NBPFILTER > 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(CLLADDR(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, CLLADDR(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 const u_int8_t *enaddr = CLLADDR(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 const u_int8_t *enaddr = CLLADDR(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 aprint_debug("%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 G100 interfaces have the address at 2514 * offsets 0 and 20, but each pair of bytes is 2515 * swapped. 2516 */ 2517 if (sc->sc_srom_addrbits == 6 && 2518 sc->sc_srom[1] == 0x00 && 2519 sc->sc_srom[0] == 0x60 && 2520 sc->sc_srom[3] == 0xf5 && 2521 memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) { 2522 for (i = 0; i < 6; i += 2) { 2523 enaddr[i] = sc->sc_srom[i + 1]; 2524 enaddr[i + 1] = sc->sc_srom[i]; 2525 } 2526 return (1); 2527 } 2528 2529 /* 2530 * Phobos G130/G160 interfaces have the address at 2531 * offsets 20 and 84, but each pair of bytes is 2532 * swapped. 2533 */ 2534 if (sc->sc_srom_addrbits == 6 && 2535 sc->sc_srom[21] == 0x00 && 2536 sc->sc_srom[20] == 0x60 && 2537 sc->sc_srom[23] == 0xf5 && 2538 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { 2539 for (i = 0; i < 6; i += 2) { 2540 enaddr[i] = sc->sc_srom[20 + i + 1]; 2541 enaddr[i + 1] = sc->sc_srom[20 + i]; 2542 } 2543 return (1); 2544 } 2545 2546 /* 2547 * Cobalt Networks interfaces simply have the address 2548 * in the first six bytes. The rest is zeroed out 2549 * on some models, but others contain unknown data. 2550 */ 2551 if (sc->sc_srom[0] == 0x00 && 2552 sc->sc_srom[1] == 0x10 && 2553 sc->sc_srom[2] == 0xe0) { 2554 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2555 return (1); 2556 } 2557 2558 /* 2559 * Some vendors (e.g. ZNYX) don't use the standard 2560 * DEC Address ROM format, but rather just have an 2561 * Ethernet address in the first 6 bytes, maybe a 2562 * 2 byte checksum, and then all 0xff's. 2563 */ 2564 for (i = 8; i < 32; i++) { 2565 if (sc->sc_srom[i] != 0xff && 2566 sc->sc_srom[i] != 0) 2567 return (0); 2568 } 2569 2570 /* 2571 * Sanity check the Ethernet address: 2572 * 2573 * - Make sure it's not multicast or locally 2574 * assigned 2575 * - Make sure it has a non-0 OUI 2576 */ 2577 if (sc->sc_srom[0] & 3) 2578 return (0); 2579 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2580 sc->sc_srom[2] == 0) 2581 return (0); 2582 2583 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2584 return (1); 2585 } 2586 2587 /* 2588 * Standard DEC Address ROM test. 2589 */ 2590 2591 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2592 return (0); 2593 2594 for (i = 0; i < 8; i++) { 2595 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2596 return (0); 2597 } 2598 2599 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2600 2601 cksum = *(u_int16_t *) &enaddr[0]; 2602 2603 cksum <<= 1; 2604 if (cksum > 0xffff) 2605 cksum -= 0xffff; 2606 2607 cksum += *(u_int16_t *) &enaddr[2]; 2608 if (cksum > 0xffff) 2609 cksum -= 0xffff; 2610 2611 cksum <<= 1; 2612 if (cksum > 0xffff) 2613 cksum -= 0xffff; 2614 2615 cksum += *(u_int16_t *) &enaddr[4]; 2616 if (cksum >= 0xffff) 2617 cksum -= 0xffff; 2618 2619 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2620 return (0); 2621 2622 return (1); 2623 } 2624 2625 /* 2626 * tlp_filter_setup: 2627 * 2628 * Set the Tulip's receive filter. 2629 */ 2630 static void 2631 tlp_filter_setup(struct tulip_softc *sc) 2632 { 2633 struct ethercom *ec = &sc->sc_ethercom; 2634 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2635 struct ether_multi *enm; 2636 struct ether_multistep step; 2637 volatile u_int32_t *sp; 2638 struct tulip_txsoft *txs; 2639 u_int8_t enaddr[ETHER_ADDR_LEN]; 2640 u_int32_t hash, hashsize; 2641 int cnt, nexttx; 2642 2643 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2644 sc->sc_dev.dv_xname, sc->sc_flags)); 2645 2646 memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2647 2648 /* 2649 * If there are transmissions pending, wait until they have 2650 * completed. 2651 */ 2652 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2653 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2654 sc->sc_flags |= TULIPF_WANT_SETUP; 2655 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2656 sc->sc_dev.dv_xname)); 2657 return; 2658 } 2659 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2660 2661 switch (sc->sc_chip) { 2662 case TULIP_CHIP_82C115: 2663 hashsize = TULIP_PNICII_HASHSIZE; 2664 break; 2665 2666 default: 2667 hashsize = TULIP_MCHASHSIZE; 2668 } 2669 2670 /* 2671 * If we're running, idle the transmit and receive engines. If 2672 * we're NOT running, we're being called from tlp_init(), and our 2673 * writing OPMODE will start the transmit and receive processes 2674 * in motion. 2675 */ 2676 if (ifp->if_flags & IFF_RUNNING) 2677 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2678 2679 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2680 2681 if (ifp->if_flags & IFF_PROMISC) { 2682 sc->sc_opmode |= OPMODE_PR; 2683 goto allmulti; 2684 } 2685 2686 /* 2687 * Try Perfect filtering first. 2688 */ 2689 2690 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2691 sp = TULIP_CDSP(sc); 2692 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2693 cnt = 0; 2694 ETHER_FIRST_MULTI(step, ec, enm); 2695 while (enm != NULL) { 2696 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2697 /* 2698 * We must listen to a range of multicast addresses. 2699 * For now, just accept all multicasts, rather than 2700 * trying to set only those filter bits needed to match 2701 * the range. (At this time, the only use of address 2702 * ranges is for IP multicast routing, for which the 2703 * range is big enough to require all bits set.) 2704 */ 2705 goto allmulti; 2706 } 2707 if (cnt == (TULIP_MAXADDRS - 2)) { 2708 /* 2709 * We already have our multicast limit (still need 2710 * our station address and broadcast). Go to 2711 * Hash-Perfect mode. 2712 */ 2713 goto hashperfect; 2714 } 2715 cnt++; 2716 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2717 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2718 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2719 ETHER_NEXT_MULTI(step, enm); 2720 } 2721 2722 if (ifp->if_flags & IFF_BROADCAST) { 2723 /* ...and the broadcast address. */ 2724 cnt++; 2725 *sp++ = TULIP_SP_FIELD_C(0xffff); 2726 *sp++ = TULIP_SP_FIELD_C(0xffff); 2727 *sp++ = TULIP_SP_FIELD_C(0xffff); 2728 } 2729 2730 /* Pad the rest with our station address. */ 2731 for (; cnt < TULIP_MAXADDRS; cnt++) { 2732 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2733 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2734 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2735 } 2736 ifp->if_flags &= ~IFF_ALLMULTI; 2737 goto setit; 2738 2739 hashperfect: 2740 /* 2741 * Try Hash-Perfect mode. 2742 */ 2743 2744 /* 2745 * Some 21140 chips have broken Hash-Perfect modes. On these 2746 * chips, we simply use Hash-Only mode, and put our station 2747 * address into the filter. 2748 */ 2749 if (sc->sc_chip == TULIP_CHIP_21140) 2750 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2751 else 2752 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2753 sp = TULIP_CDSP(sc); 2754 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2755 ETHER_FIRST_MULTI(step, ec, enm); 2756 while (enm != NULL) { 2757 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2758 /* 2759 * We must listen to a range of multicast addresses. 2760 * For now, just accept all multicasts, rather than 2761 * trying to set only those filter bits needed to match 2762 * the range. (At this time, the only use of address 2763 * ranges is for IP multicast routing, for which the 2764 * range is big enough to require all bits set.) 2765 */ 2766 goto allmulti; 2767 } 2768 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2769 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2770 ETHER_NEXT_MULTI(step, enm); 2771 } 2772 2773 if (ifp->if_flags & IFF_BROADCAST) { 2774 /* ...and the broadcast address. */ 2775 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2776 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2777 } 2778 2779 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2780 /* ...and our station address. */ 2781 hash = tlp_mchash(enaddr, hashsize); 2782 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2783 } else { 2784 /* 2785 * Hash-Perfect mode; put our station address after 2786 * the hash table. 2787 */ 2788 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2789 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2790 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2791 } 2792 ifp->if_flags &= ~IFF_ALLMULTI; 2793 goto setit; 2794 2795 allmulti: 2796 /* 2797 * Use Perfect filter mode. First address is the broadcast address, 2798 * and pad the rest with our station address. We'll set Pass-all- 2799 * multicast in OPMODE below. 2800 */ 2801 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2802 sp = TULIP_CDSP(sc); 2803 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2804 cnt = 0; 2805 if (ifp->if_flags & IFF_BROADCAST) { 2806 cnt++; 2807 *sp++ = TULIP_SP_FIELD_C(0xffff); 2808 *sp++ = TULIP_SP_FIELD_C(0xffff); 2809 *sp++ = TULIP_SP_FIELD_C(0xffff); 2810 } 2811 for (; cnt < TULIP_MAXADDRS; cnt++) { 2812 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2813 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2814 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2815 } 2816 ifp->if_flags |= IFF_ALLMULTI; 2817 2818 setit: 2819 if (ifp->if_flags & IFF_ALLMULTI) 2820 sc->sc_opmode |= OPMODE_PM; 2821 2822 /* Sync the setup packet buffer. */ 2823 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2824 2825 /* 2826 * Fill in the setup packet descriptor. 2827 */ 2828 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2829 2830 txs->txs_firstdesc = sc->sc_txnext; 2831 txs->txs_lastdesc = sc->sc_txnext; 2832 txs->txs_ndescs = 1; 2833 txs->txs_mbuf = NULL; 2834 2835 nexttx = sc->sc_txnext; 2836 sc->sc_txdescs[nexttx].td_status = 0; 2837 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2838 sc->sc_txdescs[nexttx].td_ctl = 2839 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2840 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2841 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2842 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2843 TULIP_CDTXSYNC(sc, nexttx, 1, 2844 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2845 2846 #ifdef TLP_DEBUG 2847 if (ifp->if_flags & IFF_DEBUG) { 2848 printf(" filter_setup %p transmit chain:\n", txs); 2849 printf(" descriptor %d:\n", nexttx); 2850 printf(" td_status: 0x%08x\n", 2851 le32toh(sc->sc_txdescs[nexttx].td_status)); 2852 printf(" td_ctl: 0x%08x\n", 2853 le32toh(sc->sc_txdescs[nexttx].td_ctl)); 2854 printf(" td_bufaddr1: 0x%08x\n", 2855 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1)); 2856 printf(" td_bufaddr2: 0x%08x\n", 2857 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2)); 2858 } 2859 #endif 2860 2861 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN); 2862 TULIP_CDTXSYNC(sc, nexttx, 1, 2863 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2864 2865 /* Advance the tx pointer. */ 2866 sc->sc_txfree -= 1; 2867 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2868 2869 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2870 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2871 2872 /* 2873 * Set the OPMODE register. This will also resume the 2874 * transmit process we idled above. 2875 */ 2876 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2877 2878 sc->sc_flags |= TULIPF_DOING_SETUP; 2879 2880 /* 2881 * Kick the transmitter; this will cause the Tulip to 2882 * read the setup descriptor. 2883 */ 2884 /* XXX USE AUTOPOLLING? */ 2885 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2886 2887 /* Set up a watchdog timer in case the chip flakes out. */ 2888 ifp->if_timer = 5; 2889 2890 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2891 } 2892 2893 /* 2894 * tlp_winb_filter_setup: 2895 * 2896 * Set the Winbond 89C840F's receive filter. 2897 */ 2898 static void 2899 tlp_winb_filter_setup(struct tulip_softc *sc) 2900 { 2901 struct ethercom *ec = &sc->sc_ethercom; 2902 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2903 struct ether_multi *enm; 2904 struct ether_multistep step; 2905 u_int32_t hash, mchash[2]; 2906 2907 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2908 sc->sc_dev.dv_xname, sc->sc_flags)); 2909 2910 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2911 2912 if (ifp->if_flags & IFF_MULTICAST) 2913 sc->sc_opmode |= OPMODE_WINB_AMP; 2914 2915 if (ifp->if_flags & IFF_BROADCAST) 2916 sc->sc_opmode |= OPMODE_WINB_ABP; 2917 2918 if (ifp->if_flags & IFF_PROMISC) { 2919 sc->sc_opmode |= OPMODE_WINB_APP; 2920 goto allmulti; 2921 } 2922 2923 mchash[0] = mchash[1] = 0; 2924 2925 ETHER_FIRST_MULTI(step, ec, enm); 2926 while (enm != NULL) { 2927 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2928 /* 2929 * We must listen to a range of multicast addresses. 2930 * For now, just accept all multicasts, rather than 2931 * trying to set only those filter bits needed to match 2932 * the range. (At this time, the only use of address 2933 * ranges is for IP multicast routing, for which the 2934 * range is big enough to require all bits set.) 2935 */ 2936 goto allmulti; 2937 } 2938 2939 /* 2940 * According to the FreeBSD `wb' driver, yes, you 2941 * really do invert the hash. 2942 */ 2943 hash = 2944 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2945 & 0x3f; 2946 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2947 ETHER_NEXT_MULTI(step, enm); 2948 } 2949 ifp->if_flags &= ~IFF_ALLMULTI; 2950 goto setit; 2951 2952 allmulti: 2953 ifp->if_flags |= IFF_ALLMULTI; 2954 mchash[0] = mchash[1] = 0xffffffff; 2955 2956 setit: 2957 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2958 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2959 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2960 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2961 sc->sc_dev.dv_xname)); 2962 } 2963 2964 /* 2965 * tlp_al981_filter_setup: 2966 * 2967 * Set the ADMtek AL981's receive filter. 2968 */ 2969 static void 2970 tlp_al981_filter_setup(struct tulip_softc *sc) 2971 { 2972 struct ethercom *ec = &sc->sc_ethercom; 2973 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2974 struct ether_multi *enm; 2975 struct ether_multistep step; 2976 u_int32_t hash, mchash[2]; 2977 2978 /* 2979 * If the chip is running, we need to reset the interface, 2980 * and will revisit here (with IFF_RUNNING) clear. The 2981 * chip seems to really not like to have its multicast 2982 * filter programmed without a reset. 2983 */ 2984 if (ifp->if_flags & IFF_RUNNING) { 2985 (void) tlp_init(ifp); 2986 return; 2987 } 2988 2989 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2990 sc->sc_dev.dv_xname, sc->sc_flags)); 2991 2992 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2993 2994 if (ifp->if_flags & IFF_PROMISC) { 2995 sc->sc_opmode |= OPMODE_PR; 2996 goto allmulti; 2997 } 2998 2999 mchash[0] = mchash[1] = 0; 3000 3001 ETHER_FIRST_MULTI(step, ec, enm); 3002 while (enm != NULL) { 3003 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 3004 /* 3005 * We must listen to a range of multicast addresses. 3006 * For now, just accept all multicasts, rather than 3007 * trying to set only those filter bits needed to match 3008 * the range. (At this time, the only use of address 3009 * ranges is for IP multicast routing, for which the 3010 * range is big enough to require all bits set.) 3011 */ 3012 goto allmulti; 3013 } 3014 3015 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 3016 mchash[hash >> 5] |= 1 << (hash & 0x1f); 3017 ETHER_NEXT_MULTI(step, enm); 3018 } 3019 ifp->if_flags &= ~IFF_ALLMULTI; 3020 goto setit; 3021 3022 allmulti: 3023 ifp->if_flags |= IFF_ALLMULTI; 3024 mchash[0] = mchash[1] = 0xffffffff; 3025 3026 setit: 3027 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 3028 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 3029 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3030 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 3031 sc->sc_dev.dv_xname)); 3032 } 3033 3034 /* 3035 * tlp_asix_filter_setup: 3036 * 3037 * Set the ASIX AX8814x recieve filter. 3038 */ 3039 static void 3040 tlp_asix_filter_setup(struct tulip_softc *sc) 3041 { 3042 struct ethercom *ec = &sc->sc_ethercom; 3043 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3044 struct ether_multi *enm; 3045 struct ether_multistep step; 3046 u_int32_t hash, mchash[2]; 3047 3048 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 3049 sc->sc_dev.dv_xname, sc->sc_flags)); 3050 3051 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 3052 3053 if (ifp->if_flags & IFF_MULTICAST) 3054 sc->sc_opmode |= OPMODE_PM; 3055 3056 if (ifp->if_flags & IFF_BROADCAST) 3057 sc->sc_opmode |= OPMODE_AX_RB; 3058 3059 if (ifp->if_flags & IFF_PROMISC) { 3060 sc->sc_opmode |= OPMODE_PR; 3061 goto allmulti; 3062 } 3063 3064 mchash[0] = mchash[1] = 0; 3065 3066 ETHER_FIRST_MULTI(step, ec, enm); 3067 while (enm != NULL) { 3068 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 3069 /* 3070 * We must listen to a range of multicast addresses. 3071 * For now, just accept all multicasts, rather than 3072 * trying to set only those filter bits needed to match 3073 * the range. (At this time, the only use of address 3074 * ranges is for IP multicast routing, for which the 3075 * range is big enough to require all bits set.) 3076 */ 3077 goto allmulti; 3078 } 3079 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3080 & 0x3f; 3081 if (hash < 32) 3082 mchash[0] |= (1 << hash); 3083 else 3084 mchash[1] |= (1 << (hash - 32)); 3085 ETHER_NEXT_MULTI(step, enm); 3086 } 3087 ifp->if_flags &= ~IFF_ALLMULTI; 3088 goto setit; 3089 3090 allmulti: 3091 ifp->if_flags |= IFF_ALLMULTI; 3092 mchash[0] = mchash[1] = 0xffffffff; 3093 3094 setit: 3095 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3096 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3097 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3098 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3099 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3100 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3101 sc->sc_dev.dv_xname)); 3102 } 3103 3104 3105 /* 3106 * tlp_idle: 3107 * 3108 * Cause the transmit and/or receive processes to go idle. 3109 */ 3110 void 3111 tlp_idle(struct tulip_softc *sc, u_int32_t bits) 3112 { 3113 static const char * const tlp_tx_state_names[] = { 3114 "STOPPED", 3115 "RUNNING - FETCH", 3116 "RUNNING - WAIT", 3117 "RUNNING - READING", 3118 "-- RESERVED --", 3119 "RUNNING - SETUP", 3120 "SUSPENDED", 3121 "RUNNING - CLOSE", 3122 }; 3123 static const char * const tlp_rx_state_names[] = { 3124 "STOPPED", 3125 "RUNNING - FETCH", 3126 "RUNNING - CHECK", 3127 "RUNNING - WAIT", 3128 "SUSPENDED", 3129 "RUNNING - CLOSE", 3130 "RUNNING - FLUSH", 3131 "RUNNING - QUEUE", 3132 }; 3133 static const char * const dm9102_tx_state_names[] = { 3134 "STOPPED", 3135 "RUNNING - FETCH", 3136 "RUNNING - SETUP", 3137 "RUNNING - READING", 3138 "RUNNING - CLOSE - CLEAR OWNER", 3139 "RUNNING - WAIT", 3140 "RUNNING - CLOSE - WRITE STATUS", 3141 "SUSPENDED", 3142 }; 3143 static const char * const dm9102_rx_state_names[] = { 3144 "STOPPED", 3145 "RUNNING - FETCH", 3146 "RUNNING - WAIT", 3147 "RUNNING - QUEUE", 3148 "RUNNING - CLOSE - CLEAR OWNER", 3149 "RUNNING - CLOSE - WRITE STATUS", 3150 "SUSPENDED", 3151 "RUNNING - FLUSH", 3152 }; 3153 3154 const char * const *tx_state_names, * const *rx_state_names; 3155 u_int32_t csr, ackmask = 0; 3156 int i; 3157 3158 switch (sc->sc_chip) { 3159 case TULIP_CHIP_DM9102: 3160 case TULIP_CHIP_DM9102A: 3161 tx_state_names = dm9102_tx_state_names; 3162 rx_state_names = dm9102_rx_state_names; 3163 break; 3164 3165 default: 3166 tx_state_names = tlp_tx_state_names; 3167 rx_state_names = tlp_rx_state_names; 3168 break; 3169 } 3170 3171 if (bits & OPMODE_ST) 3172 ackmask |= STATUS_TPS; 3173 3174 if (bits & OPMODE_SR) 3175 ackmask |= STATUS_RPS; 3176 3177 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3178 3179 for (i = 0; i < 1000; i++) { 3180 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3181 break; 3182 delay(10); 3183 } 3184 3185 csr = TULIP_READ(sc, CSR_STATUS); 3186 if ((csr & ackmask) != ackmask) { 3187 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3188 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3189 switch (sc->sc_chip) { 3190 case TULIP_CHIP_AX88140: 3191 case TULIP_CHIP_AX88141: 3192 /* 3193 * Filter the message out on noisy chips. 3194 */ 3195 break; 3196 default: 3197 printf("%s: transmit process failed to idle: " 3198 "state %s\n", sc->sc_dev.dv_xname, 3199 tx_state_names[(csr & STATUS_TS) >> 20]); 3200 } 3201 } 3202 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3203 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3204 switch (sc->sc_chip) { 3205 case TULIP_CHIP_AN983: 3206 case TULIP_CHIP_AN985: 3207 case TULIP_CHIP_DM9102A: 3208 case TULIP_CHIP_RS7112: 3209 /* 3210 * Filter the message out on noisy chips. 3211 */ 3212 break; 3213 default: 3214 printf("%s: receive process failed to idle: " 3215 "state %s\n", sc->sc_dev.dv_xname, 3216 rx_state_names[(csr & STATUS_RS) >> 17]); 3217 } 3218 } 3219 } 3220 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3221 } 3222 3223 /***************************************************************************** 3224 * Generic media support functions. 3225 *****************************************************************************/ 3226 3227 /* 3228 * tlp_mediastatus: [ifmedia interface function] 3229 * 3230 * Query the current media. 3231 */ 3232 void 3233 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3234 { 3235 struct tulip_softc *sc = ifp->if_softc; 3236 3237 if (TULIP_IS_ENABLED(sc) == 0) { 3238 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3239 ifmr->ifm_status = 0; 3240 return; 3241 } 3242 3243 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3244 } 3245 3246 /* 3247 * tlp_mediachange: [ifmedia interface function] 3248 * 3249 * Update the current media. 3250 */ 3251 int 3252 tlp_mediachange(struct ifnet *ifp) 3253 { 3254 struct tulip_softc *sc = ifp->if_softc; 3255 3256 if ((ifp->if_flags & IFF_UP) == 0) 3257 return (0); 3258 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3259 } 3260 3261 /***************************************************************************** 3262 * Support functions for MII-attached media. 3263 *****************************************************************************/ 3264 3265 /* 3266 * tlp_mii_tick: 3267 * 3268 * One second timer, used to tick the MII. 3269 */ 3270 static void 3271 tlp_mii_tick(void *arg) 3272 { 3273 struct tulip_softc *sc = arg; 3274 int s; 3275 3276 if (!device_is_active(&sc->sc_dev)) 3277 return; 3278 3279 s = splnet(); 3280 mii_tick(&sc->sc_mii); 3281 splx(s); 3282 3283 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3284 } 3285 3286 /* 3287 * tlp_mii_statchg: [mii interface function] 3288 * 3289 * Callback from PHY when media changes. 3290 */ 3291 static void 3292 tlp_mii_statchg(struct device *self) 3293 { 3294 struct tulip_softc *sc = (struct tulip_softc *)self; 3295 3296 /* Idle the transmit and receive processes. */ 3297 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3298 3299 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3300 3301 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3302 sc->sc_opmode |= OPMODE_TTM; 3303 else 3304 sc->sc_opmode |= OPMODE_HBD; 3305 3306 if (sc->sc_mii.mii_media_active & IFM_FDX) 3307 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3308 3309 /* 3310 * Write new OPMODE bits. This also restarts the transmit 3311 * and receive processes. 3312 */ 3313 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3314 } 3315 3316 /* 3317 * tlp_winb_mii_statchg: [mii interface function] 3318 * 3319 * Callback from PHY when media changes. This version is 3320 * for the Winbond 89C840F, which has different OPMODE bits. 3321 */ 3322 static void 3323 tlp_winb_mii_statchg(struct device *self) 3324 { 3325 struct tulip_softc *sc = (struct tulip_softc *)self; 3326 3327 /* Idle the transmit and receive processes. */ 3328 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3329 3330 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3331 3332 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3333 sc->sc_opmode |= OPMODE_WINB_FES; 3334 3335 if (sc->sc_mii.mii_media_active & IFM_FDX) 3336 sc->sc_opmode |= OPMODE_FD; 3337 3338 /* 3339 * Write new OPMODE bits. This also restarts the transmit 3340 * and receive processes. 3341 */ 3342 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3343 } 3344 3345 /* 3346 * tlp_dm9102_mii_statchg: [mii interface function] 3347 * 3348 * Callback from PHY when media changes. This version is 3349 * for the DM9102. 3350 */ 3351 static void 3352 tlp_dm9102_mii_statchg(struct device *self) 3353 { 3354 struct tulip_softc *sc = (struct tulip_softc *)self; 3355 3356 /* 3357 * Don't idle the transmit and receive processes, here. It 3358 * seems to fail, and just causes excess noise. 3359 */ 3360 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3361 3362 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3363 sc->sc_opmode |= OPMODE_TTM; 3364 3365 if (sc->sc_mii.mii_media_active & IFM_FDX) 3366 sc->sc_opmode |= OPMODE_FD; 3367 3368 /* 3369 * Write new OPMODE bits. 3370 */ 3371 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3372 } 3373 3374 /* 3375 * tlp_mii_getmedia: 3376 * 3377 * Callback from ifmedia to request current media status. 3378 */ 3379 static void 3380 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3381 { 3382 3383 mii_pollstat(&sc->sc_mii); 3384 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3385 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3386 } 3387 3388 /* 3389 * tlp_mii_setmedia: 3390 * 3391 * Callback from ifmedia to request new media setting. 3392 */ 3393 static int 3394 tlp_mii_setmedia(struct tulip_softc *sc) 3395 { 3396 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3397 int rc; 3398 3399 if ((ifp->if_flags & IFF_UP) == 0) 3400 return 0; 3401 switch (sc->sc_chip) { 3402 case TULIP_CHIP_21142: 3403 case TULIP_CHIP_21143: 3404 /* Disable the internal Nway engine. */ 3405 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3406 break; 3407 3408 default: 3409 /* Nothing. */ 3410 break; 3411 } 3412 if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) 3413 return 0; 3414 return rc; 3415 } 3416 3417 /* 3418 * tlp_bitbang_mii_readreg: 3419 * 3420 * Read a PHY register via bit-bang'ing the MII. 3421 */ 3422 static int 3423 tlp_bitbang_mii_readreg(struct device *self, int phy, int reg) 3424 { 3425 struct tulip_softc *sc = (void *) self; 3426 3427 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3428 } 3429 3430 /* 3431 * tlp_bitbang_mii_writereg: 3432 * 3433 * Write a PHY register via bit-bang'ing the MII. 3434 */ 3435 static void 3436 tlp_bitbang_mii_writereg(struct device *self, int phy, int reg, int val) 3437 { 3438 struct tulip_softc *sc = (void *) self; 3439 3440 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3441 } 3442 3443 /* 3444 * tlp_sio_mii_bitbang_read: 3445 * 3446 * Read the MII serial port for the MII bit-bang module. 3447 */ 3448 static u_int32_t 3449 tlp_sio_mii_bitbang_read(struct device *self) 3450 { 3451 struct tulip_softc *sc = (void *) self; 3452 3453 return (TULIP_READ(sc, CSR_MIIROM)); 3454 } 3455 3456 /* 3457 * tlp_sio_mii_bitbang_write: 3458 * 3459 * Write the MII serial port for the MII bit-bang module. 3460 */ 3461 static void 3462 tlp_sio_mii_bitbang_write(struct device *self, u_int32_t val) 3463 { 3464 struct tulip_softc *sc = (void *) self; 3465 3466 TULIP_WRITE(sc, CSR_MIIROM, val); 3467 } 3468 3469 /* 3470 * tlp_pnic_mii_readreg: 3471 * 3472 * Read a PHY register on the Lite-On PNIC. 3473 */ 3474 static int 3475 tlp_pnic_mii_readreg(struct device *self, int phy, int reg) 3476 { 3477 struct tulip_softc *sc = (void *) self; 3478 u_int32_t val; 3479 int i; 3480 3481 TULIP_WRITE(sc, CSR_PNIC_MII, 3482 PNIC_MII_MBO | PNIC_MII_RESERVED | 3483 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3484 (reg << PNIC_MII_REGSHIFT)); 3485 3486 for (i = 0; i < 1000; i++) { 3487 delay(10); 3488 val = TULIP_READ(sc, CSR_PNIC_MII); 3489 if ((val & PNIC_MII_BUSY) == 0) { 3490 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3491 return (0); 3492 else 3493 return (val & PNIC_MII_DATA); 3494 } 3495 } 3496 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3497 return (0); 3498 } 3499 3500 /* 3501 * tlp_pnic_mii_writereg: 3502 * 3503 * Write a PHY register on the Lite-On PNIC. 3504 */ 3505 static void 3506 tlp_pnic_mii_writereg(struct device *self, int phy, int reg, int val) 3507 { 3508 struct tulip_softc *sc = (void *) self; 3509 int i; 3510 3511 TULIP_WRITE(sc, CSR_PNIC_MII, 3512 PNIC_MII_MBO | PNIC_MII_RESERVED | 3513 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3514 (reg << PNIC_MII_REGSHIFT) | val); 3515 3516 for (i = 0; i < 1000; i++) { 3517 delay(10); 3518 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3519 return; 3520 } 3521 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3522 } 3523 3524 static const bus_addr_t tlp_al981_phy_regmap[] = { 3525 CSR_ADM_BMCR, 3526 CSR_ADM_BMSR, 3527 CSR_ADM_PHYIDR1, 3528 CSR_ADM_PHYIDR2, 3529 CSR_ADM_ANAR, 3530 CSR_ADM_ANLPAR, 3531 CSR_ADM_ANER, 3532 3533 CSR_ADM_XMC, 3534 CSR_ADM_XCIIS, 3535 CSR_ADM_XIE, 3536 CSR_ADM_100CTR, 3537 }; 3538 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3539 sizeof(tlp_al981_phy_regmap[0]); 3540 3541 /* 3542 * tlp_al981_mii_readreg: 3543 * 3544 * Read a PHY register on the ADMtek AL981. 3545 */ 3546 static int 3547 tlp_al981_mii_readreg(struct device *self, int phy, int reg) 3548 { 3549 struct tulip_softc *sc = (struct tulip_softc *)self; 3550 3551 /* AL981 only has an internal PHY. */ 3552 if (phy != 0) 3553 return (0); 3554 3555 if (reg >= tlp_al981_phy_regmap_size) 3556 return (0); 3557 3558 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3559 tlp_al981_phy_regmap[reg]) & 0xffff); 3560 } 3561 3562 /* 3563 * tlp_al981_mii_writereg: 3564 * 3565 * Write a PHY register on the ADMtek AL981. 3566 */ 3567 static void 3568 tlp_al981_mii_writereg(struct device *self, int phy, int reg, int val) 3569 { 3570 struct tulip_softc *sc = (struct tulip_softc *)self; 3571 3572 /* AL981 only has an internal PHY. */ 3573 if (phy != 0) 3574 return; 3575 3576 if (reg >= tlp_al981_phy_regmap_size) 3577 return; 3578 3579 bus_space_write_4(sc->sc_st, sc->sc_sh, 3580 tlp_al981_phy_regmap[reg], val); 3581 } 3582 3583 /***************************************************************************** 3584 * Chip-specific pre-init and reset functions. 3585 *****************************************************************************/ 3586 3587 /* 3588 * tlp_2114x_preinit: 3589 * 3590 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3591 */ 3592 static void 3593 tlp_2114x_preinit(struct tulip_softc *sc) 3594 { 3595 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3596 struct tulip_21x4x_media *tm = ife->ifm_aux; 3597 3598 /* 3599 * Whether or not we're in MII or SIA/SYM mode, the media info 3600 * contains the appropriate OPMODE bits. 3601 * 3602 * Also, we always set the Must-Be-One bit. 3603 */ 3604 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3605 3606 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3607 } 3608 3609 /* 3610 * tlp_2114x_mii_preinit: 3611 * 3612 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3613 * This version is used by boards which only have MII and don't have 3614 * an ISV SROM. 3615 */ 3616 static void 3617 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3618 { 3619 3620 /* 3621 * Always set the Must-Be-One bit, and Port Select (to select MII). 3622 * We'll never be called during a media change. 3623 */ 3624 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3625 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3626 } 3627 3628 /* 3629 * tlp_pnic_preinit: 3630 * 3631 * Pre-init function for the Lite-On 82c168 and 82c169. 3632 */ 3633 static void 3634 tlp_pnic_preinit(struct tulip_softc *sc) 3635 { 3636 3637 if (sc->sc_flags & TULIPF_HAS_MII) { 3638 /* 3639 * MII case: just set the port-select bit; we will never 3640 * be called during a media change. 3641 */ 3642 sc->sc_opmode |= OPMODE_PS; 3643 } else { 3644 /* 3645 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3646 */ 3647 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3648 } 3649 } 3650 3651 /* 3652 * tlp_asix_preinit: 3653 * 3654 * Pre-init function for the ASIX chipsets. 3655 */ 3656 static void 3657 tlp_asix_preinit(struct tulip_softc *sc) 3658 { 3659 3660 switch (sc->sc_chip) { 3661 case TULIP_CHIP_AX88140: 3662 case TULIP_CHIP_AX88141: 3663 /* XXX Handle PHY. */ 3664 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3665 break; 3666 default: 3667 /* Nothing */ 3668 break; 3669 } 3670 3671 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3672 } 3673 3674 /* 3675 * tlp_dm9102_preinit: 3676 * 3677 * Pre-init function for the Davicom DM9102. 3678 */ 3679 static void 3680 tlp_dm9102_preinit(struct tulip_softc *sc) 3681 { 3682 3683 switch (sc->sc_chip) { 3684 case TULIP_CHIP_DM9102: 3685 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3686 break; 3687 3688 case TULIP_CHIP_DM9102A: 3689 /* 3690 * XXX Figure out how to actually deal with the HomePNA 3691 * XXX portion of the DM9102A. 3692 */ 3693 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3694 break; 3695 3696 default: 3697 /* Nothing. */ 3698 break; 3699 } 3700 3701 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3702 } 3703 3704 /* 3705 * tlp_21140_reset: 3706 * 3707 * Issue a reset sequence on the 21140 via the GPIO facility. 3708 */ 3709 static void 3710 tlp_21140_reset(struct tulip_softc *sc) 3711 { 3712 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3713 struct tulip_21x4x_media *tm = ife->ifm_aux; 3714 int i; 3715 3716 /* First, set the direction on the GPIO pins. */ 3717 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3718 3719 /* Now, issue the reset sequence. */ 3720 for (i = 0; i < tm->tm_reset_length; i++) { 3721 delay(10); 3722 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3723 } 3724 3725 /* Now, issue the selection sequence. */ 3726 for (i = 0; i < tm->tm_gp_length; i++) { 3727 delay(10); 3728 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3729 } 3730 3731 /* If there were no sequences, just lower the pins. */ 3732 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3733 delay(10); 3734 TULIP_WRITE(sc, CSR_GPP, 0); 3735 } 3736 } 3737 3738 /* 3739 * tlp_21142_reset: 3740 * 3741 * Issue a reset sequence on the 21142 via the GPIO facility. 3742 */ 3743 static void 3744 tlp_21142_reset(struct tulip_softc *sc) 3745 { 3746 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3747 struct tulip_21x4x_media *tm = ife->ifm_aux; 3748 const u_int8_t *cp; 3749 int i; 3750 3751 cp = &sc->sc_srom[tm->tm_reset_offset]; 3752 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3753 delay(10); 3754 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3755 } 3756 3757 cp = &sc->sc_srom[tm->tm_gp_offset]; 3758 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3759 delay(10); 3760 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3761 } 3762 3763 /* If there were no sequences, just lower the pins. */ 3764 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3765 delay(10); 3766 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3767 } 3768 } 3769 3770 /* 3771 * tlp_pmac_reset: 3772 * 3773 * Reset routine for Macronix chips. 3774 */ 3775 static void 3776 tlp_pmac_reset(struct tulip_softc *sc) 3777 { 3778 3779 switch (sc->sc_chip) { 3780 case TULIP_CHIP_82C115: 3781 case TULIP_CHIP_MX98715: 3782 case TULIP_CHIP_MX98715A: 3783 case TULIP_CHIP_MX98725: 3784 /* 3785 * Set the LED operating mode. This information is located 3786 * in the EEPROM at byte offset 0x77, per the MX98715A and 3787 * MX98725 application notes. 3788 */ 3789 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3790 break; 3791 case TULIP_CHIP_MX98715AEC_X: 3792 /* 3793 * Set the LED operating mode. This information is located 3794 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3795 * application note. 3796 */ 3797 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3798 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3799 break; 3800 3801 default: 3802 /* Nothing. */ 3803 break; 3804 } 3805 } 3806 3807 #if 0 3808 /* 3809 * tlp_dm9102_reset: 3810 * 3811 * Reset routine for the Davicom DM9102. 3812 */ 3813 static void 3814 tlp_dm9102_reset(struct tulip_softc *sc) 3815 { 3816 3817 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3818 delay(100); 3819 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3820 } 3821 #endif 3822 3823 /***************************************************************************** 3824 * Chip/board-specific media switches. The ones here are ones that 3825 * are potentially common to multiple front-ends. 3826 *****************************************************************************/ 3827 3828 /* 3829 * This table is a common place for all sorts of media information, 3830 * keyed off of the SROM media code for that media. 3831 * 3832 * Note that we explicitly configure the 21142/21143 to always advertise 3833 * NWay capabilities when using the UTP port. 3834 * XXX Actually, we don't yet. 3835 */ 3836 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3837 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3838 "10baseT", 3839 OPMODE_TTM, 3840 BMSR_10THDX, 3841 { SIACONN_21040_10BASET, 3842 SIATXRX_21040_10BASET, 3843 SIAGEN_21040_10BASET }, 3844 3845 { SIACONN_21041_10BASET, 3846 SIATXRX_21041_10BASET, 3847 SIAGEN_21041_10BASET }, 3848 3849 { SIACONN_21142_10BASET, 3850 SIATXRX_21142_10BASET, 3851 SIAGEN_21142_10BASET } }, 3852 3853 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3854 "10base2", 3855 0, 3856 0, 3857 { 0, 3858 0, 3859 0 }, 3860 3861 { SIACONN_21041_BNC, 3862 SIATXRX_21041_BNC, 3863 SIAGEN_21041_BNC }, 3864 3865 { SIACONN_21142_BNC, 3866 SIATXRX_21142_BNC, 3867 SIAGEN_21142_BNC } }, 3868 3869 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3870 "10base5", 3871 0, 3872 0, 3873 { SIACONN_21040_AUI, 3874 SIATXRX_21040_AUI, 3875 SIAGEN_21040_AUI }, 3876 3877 { SIACONN_21041_AUI, 3878 SIATXRX_21041_AUI, 3879 SIAGEN_21041_AUI }, 3880 3881 { SIACONN_21142_AUI, 3882 SIATXRX_21142_AUI, 3883 SIAGEN_21142_AUI } }, 3884 3885 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3886 "100baseTX", 3887 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3888 BMSR_100TXHDX, 3889 { 0, 3890 0, 3891 0 }, 3892 3893 { 0, 3894 0, 3895 0 }, 3896 3897 { 0, 3898 0, 3899 SIAGEN_ABM } }, 3900 3901 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3902 "10baseT-FDX", 3903 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3904 BMSR_10TFDX, 3905 { SIACONN_21040_10BASET_FDX, 3906 SIATXRX_21040_10BASET_FDX, 3907 SIAGEN_21040_10BASET_FDX }, 3908 3909 { SIACONN_21041_10BASET_FDX, 3910 SIATXRX_21041_10BASET_FDX, 3911 SIAGEN_21041_10BASET_FDX }, 3912 3913 { SIACONN_21142_10BASET_FDX, 3914 SIATXRX_21142_10BASET_FDX, 3915 SIAGEN_21142_10BASET_FDX } }, 3916 3917 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3918 "100baseTX-FDX", 3919 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3920 BMSR_100TXFDX, 3921 { 0, 3922 0, 3923 0 }, 3924 3925 { 0, 3926 0, 3927 0 }, 3928 3929 { 0, 3930 0, 3931 SIAGEN_ABM } }, 3932 3933 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3934 "100baseT4", 3935 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3936 BMSR_100T4, 3937 { 0, 3938 0, 3939 0 }, 3940 3941 { 0, 3942 0, 3943 0 }, 3944 3945 { 0, 3946 0, 3947 SIAGEN_ABM } }, 3948 3949 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3950 "100baseFX", 3951 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3952 0, 3953 { 0, 3954 0, 3955 0 }, 3956 3957 { 0, 3958 0, 3959 0 }, 3960 3961 { 0, 3962 0, 3963 SIAGEN_ABM } }, 3964 3965 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3966 "100baseFX-FDX", 3967 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3968 0, 3969 { 0, 3970 0, 3971 0 }, 3972 3973 { 0, 3974 0, 3975 0 }, 3976 3977 { 0, 3978 0, 3979 SIAGEN_ABM } }, 3980 3981 { 0, 0, 0, 3982 NULL, 3983 0, 3984 0, 3985 { 0, 3986 0, 3987 0 }, 3988 3989 { 0, 3990 0, 3991 0 }, 3992 3993 { 0, 3994 0, 3995 0 } }, 3996 }; 3997 3998 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(u_int8_t); 3999 static void tlp_srom_media_info(struct tulip_softc *, 4000 const struct tulip_srom_to_ifmedia *, 4001 struct tulip_21x4x_media *); 4002 static void tlp_add_srom_media(struct tulip_softc *, int, 4003 void (*)(struct tulip_softc *, struct ifmediareq *), 4004 int (*)(struct tulip_softc *), const u_int8_t *, int); 4005 static void tlp_print_media(struct tulip_softc *); 4006 static void tlp_nway_activate(struct tulip_softc *, int); 4007 static void tlp_get_minst(struct tulip_softc *); 4008 4009 static const struct tulip_srom_to_ifmedia * 4010 tlp_srom_to_ifmedia(u_int8_t sm) 4011 { 4012 const struct tulip_srom_to_ifmedia *tsti; 4013 4014 for (tsti = tulip_srom_to_ifmedia_table; 4015 tsti->tsti_name != NULL; tsti++) { 4016 if (tsti->tsti_srom == sm) 4017 return (tsti); 4018 } 4019 4020 return (NULL); 4021 } 4022 4023 static void 4024 tlp_srom_media_info(struct tulip_softc *sc, 4025 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 4026 { 4027 4028 tm->tm_name = tsti->tsti_name; 4029 tm->tm_opmode = tsti->tsti_opmode; 4030 4031 sc->sc_sia_cap |= tsti->tsti_sia_cap; 4032 4033 switch (sc->sc_chip) { 4034 case TULIP_CHIP_DE425: 4035 case TULIP_CHIP_21040: 4036 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 4037 break; 4038 4039 case TULIP_CHIP_21041: 4040 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 4041 break; 4042 4043 case TULIP_CHIP_21142: 4044 case TULIP_CHIP_21143: 4045 case TULIP_CHIP_82C115: 4046 case TULIP_CHIP_MX98715: 4047 case TULIP_CHIP_MX98715A: 4048 case TULIP_CHIP_MX98715AEC_X: 4049 case TULIP_CHIP_MX98725: 4050 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 4051 break; 4052 4053 default: 4054 /* Nothing. */ 4055 break; 4056 } 4057 } 4058 4059 static void 4060 tlp_add_srom_media(struct tulip_softc *sc, int type, 4061 void (*get)(struct tulip_softc *, struct ifmediareq *), 4062 int (*set)(struct tulip_softc *), const u_int8_t *list, 4063 int cnt) 4064 { 4065 struct tulip_21x4x_media *tm; 4066 const struct tulip_srom_to_ifmedia *tsti; 4067 int i; 4068 4069 for (i = 0; i < cnt; i++) { 4070 tsti = tlp_srom_to_ifmedia(list[i]); 4071 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4072 tlp_srom_media_info(sc, tsti, tm); 4073 tm->tm_type = type; 4074 tm->tm_get = get; 4075 tm->tm_set = set; 4076 4077 ifmedia_add(&sc->sc_mii.mii_media, 4078 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4079 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4080 } 4081 } 4082 4083 static void 4084 tlp_print_media(struct tulip_softc *sc) 4085 { 4086 struct ifmedia_entry *ife; 4087 struct tulip_21x4x_media *tm; 4088 const char *sep = ""; 4089 4090 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 4091 4092 printf("%s: ", sc->sc_dev.dv_xname); 4093 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4094 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4095 tm = ife->ifm_aux; 4096 if (tm == NULL) { 4097 #ifdef DIAGNOSTIC 4098 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4099 panic("tlp_print_media"); 4100 #endif 4101 PRINT("auto"); 4102 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4103 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4104 PRINT(tm->tm_name); 4105 } 4106 } 4107 printf("\n"); 4108 4109 #undef PRINT 4110 } 4111 4112 static void 4113 tlp_nway_activate(struct tulip_softc *sc, int media) 4114 { 4115 struct ifmedia_entry *ife; 4116 4117 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4118 #ifdef DIAGNOSTIC 4119 if (ife == NULL) 4120 panic("tlp_nway_activate"); 4121 #endif 4122 sc->sc_nway_active = ife; 4123 } 4124 4125 static void 4126 tlp_get_minst(struct tulip_softc *sc) 4127 { 4128 4129 if ((sc->sc_media_seen & 4130 ~((1 << TULIP_ROM_MB_21140_MII) | 4131 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4132 /* 4133 * We have not yet seen any SIA/SYM media (but are 4134 * about to; that's why we're called!), so assign 4135 * the current media instance to be the `internal media' 4136 * instance, and advance it so any MII media gets a 4137 * fresh one (used to selecting/isolating a PHY). 4138 */ 4139 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4140 } 4141 } 4142 4143 /* 4144 * SIA Utility functions. 4145 */ 4146 static void tlp_sia_update_link(struct tulip_softc *); 4147 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4148 static int tlp_sia_set(struct tulip_softc *); 4149 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4150 static void tlp_sia_fixup(struct tulip_softc *); 4151 4152 static void 4153 tlp_sia_update_link(struct tulip_softc *sc) 4154 { 4155 struct ifmedia_entry *ife; 4156 struct tulip_21x4x_media *tm; 4157 u_int32_t siastat; 4158 4159 ife = TULIP_CURRENT_MEDIA(sc); 4160 tm = ife->ifm_aux; 4161 4162 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4163 4164 siastat = TULIP_READ(sc, CSR_SIASTAT); 4165 4166 /* 4167 * Note that when we do SIA link tests, we are assuming that 4168 * the chip is really in the mode that the current media setting 4169 * reflects. If we're not, then the link tests will not be 4170 * accurate! 4171 */ 4172 switch (IFM_SUBTYPE(ife->ifm_media)) { 4173 case IFM_10_T: 4174 sc->sc_flags |= TULIPF_LINK_VALID; 4175 if ((siastat & SIASTAT_LS10) == 0) 4176 sc->sc_flags |= TULIPF_LINK_UP; 4177 break; 4178 4179 case IFM_100_TX: 4180 case IFM_100_T4: 4181 sc->sc_flags |= TULIPF_LINK_VALID; 4182 if ((siastat & SIASTAT_LS100) == 0) 4183 sc->sc_flags |= TULIPF_LINK_UP; 4184 break; 4185 } 4186 4187 switch (sc->sc_chip) { 4188 case TULIP_CHIP_21142: 4189 case TULIP_CHIP_21143: 4190 /* 4191 * On these chips, we can tell more information about 4192 * AUI/BNC. Note that the AUI/BNC selection is made 4193 * in a different register; for our purpose, it's all 4194 * AUI. 4195 */ 4196 switch (IFM_SUBTYPE(ife->ifm_media)) { 4197 case IFM_10_2: 4198 case IFM_10_5: 4199 sc->sc_flags |= TULIPF_LINK_VALID; 4200 if (siastat & SIASTAT_ARA) { 4201 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4202 sc->sc_flags |= TULIPF_LINK_UP; 4203 } 4204 break; 4205 4206 default: 4207 /* 4208 * If we're SYM media and can detect the link 4209 * via the GPIO facility, prefer that status 4210 * over LS100. 4211 */ 4212 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4213 tm->tm_actmask != 0) { 4214 sc->sc_flags = (sc->sc_flags & 4215 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4216 if (TULIP_ISSET(sc, CSR_SIAGEN, 4217 tm->tm_actmask) == tm->tm_actdata) 4218 sc->sc_flags |= TULIPF_LINK_UP; 4219 } 4220 } 4221 break; 4222 4223 default: 4224 /* Nothing. */ 4225 break; 4226 } 4227 } 4228 4229 static void 4230 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4231 { 4232 struct ifmedia_entry *ife; 4233 4234 ifmr->ifm_status = 0; 4235 4236 tlp_sia_update_link(sc); 4237 4238 ife = TULIP_CURRENT_MEDIA(sc); 4239 4240 if (sc->sc_flags & TULIPF_LINK_VALID) 4241 ifmr->ifm_status |= IFM_AVALID; 4242 if (sc->sc_flags & TULIPF_LINK_UP) 4243 ifmr->ifm_status |= IFM_ACTIVE; 4244 ifmr->ifm_active = ife->ifm_media; 4245 } 4246 4247 static void 4248 tlp_sia_fixup(struct tulip_softc *sc) 4249 { 4250 struct ifmedia_entry *ife; 4251 struct tulip_21x4x_media *tm; 4252 u_int32_t siaconn, siatxrx, siagen; 4253 4254 switch (sc->sc_chip) { 4255 case TULIP_CHIP_82C115: 4256 case TULIP_CHIP_MX98713A: 4257 case TULIP_CHIP_MX98715: 4258 case TULIP_CHIP_MX98715A: 4259 case TULIP_CHIP_MX98715AEC_X: 4260 case TULIP_CHIP_MX98725: 4261 siaconn = PMAC_SIACONN_MASK; 4262 siatxrx = PMAC_SIATXRX_MASK; 4263 siagen = PMAC_SIAGEN_MASK; 4264 break; 4265 4266 default: 4267 /* No fixups required on any other chips. */ 4268 return; 4269 } 4270 4271 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4272 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4273 tm = ife->ifm_aux; 4274 if (tm == NULL) 4275 continue; 4276 4277 tm->tm_siaconn &= siaconn; 4278 tm->tm_siatxrx &= siatxrx; 4279 tm->tm_siagen &= siagen; 4280 } 4281 } 4282 4283 static int 4284 tlp_sia_set(struct tulip_softc *sc) 4285 { 4286 4287 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4288 } 4289 4290 static int 4291 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4292 { 4293 struct tulip_21x4x_media *tm; 4294 4295 tm = ife->ifm_aux; 4296 4297 /* 4298 * XXX This appears to be necessary on a bunch of the clone chips. 4299 */ 4300 delay(20000); 4301 4302 /* 4303 * Idle the chip. 4304 */ 4305 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4306 4307 /* 4308 * Program the SIA. It's important to write in this order, 4309 * resetting the SIA first. 4310 */ 4311 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4312 delay(1000); 4313 4314 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4315 4316 switch (sc->sc_chip) { 4317 case TULIP_CHIP_21142: 4318 case TULIP_CHIP_21143: 4319 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4320 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4321 break; 4322 default: 4323 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4324 } 4325 4326 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4327 4328 /* 4329 * Set the OPMODE bits for this media and write OPMODE. 4330 * This will resume the transmit and receive processes. 4331 */ 4332 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4333 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4334 4335 return (0); 4336 } 4337 4338 /* 4339 * 21140 GPIO utility functions. 4340 */ 4341 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4342 4343 static void 4344 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4345 { 4346 struct ifmedia_entry *ife; 4347 struct tulip_21x4x_media *tm; 4348 4349 ife = TULIP_CURRENT_MEDIA(sc); 4350 tm = ife->ifm_aux; 4351 4352 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4353 4354 if (tm->tm_actmask != 0) { 4355 sc->sc_flags |= TULIPF_LINK_VALID; 4356 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4357 tm->tm_actdata) 4358 sc->sc_flags |= TULIPF_LINK_UP; 4359 } 4360 } 4361 4362 void 4363 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4364 { 4365 struct ifmedia_entry *ife; 4366 4367 ifmr->ifm_status = 0; 4368 4369 tlp_21140_gpio_update_link(sc); 4370 4371 ife = TULIP_CURRENT_MEDIA(sc); 4372 4373 if (sc->sc_flags & TULIPF_LINK_VALID) 4374 ifmr->ifm_status |= IFM_AVALID; 4375 if (sc->sc_flags & TULIPF_LINK_UP) 4376 ifmr->ifm_status |= IFM_ACTIVE; 4377 ifmr->ifm_active = ife->ifm_media; 4378 } 4379 4380 int 4381 tlp_21140_gpio_set(struct tulip_softc *sc) 4382 { 4383 struct ifmedia_entry *ife; 4384 struct tulip_21x4x_media *tm; 4385 4386 ife = TULIP_CURRENT_MEDIA(sc); 4387 tm = ife->ifm_aux; 4388 4389 /* 4390 * Idle the chip. 4391 */ 4392 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4393 4394 /* 4395 * Set the GPIO pins for this media, to flip any 4396 * relays, etc. 4397 */ 4398 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4399 delay(10); 4400 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4401 4402 /* 4403 * Set the OPMODE bits for this media and write OPMODE. 4404 * This will resume the transmit and receive processes. 4405 */ 4406 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4407 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4408 4409 return (0); 4410 } 4411 4412 /* 4413 * 21040 and 21041 media switches. 4414 */ 4415 static void tlp_21040_tmsw_init(struct tulip_softc *); 4416 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4417 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4418 static void tlp_21041_tmsw_init(struct tulip_softc *); 4419 4420 const struct tulip_mediasw tlp_21040_mediasw = { 4421 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4422 }; 4423 4424 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4425 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4426 }; 4427 4428 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4429 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4430 }; 4431 4432 const struct tulip_mediasw tlp_21041_mediasw = { 4433 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4434 }; 4435 4436 static void 4437 tlp_21040_tmsw_init(struct tulip_softc *sc) 4438 { 4439 static const u_int8_t media[] = { 4440 TULIP_ROM_MB_MEDIA_TP, 4441 TULIP_ROM_MB_MEDIA_TP_FDX, 4442 TULIP_ROM_MB_MEDIA_AUI, 4443 }; 4444 struct tulip_21x4x_media *tm; 4445 4446 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4447 tlp_mediastatus); 4448 4449 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4450 4451 /* 4452 * No SROM type for External SIA. 4453 */ 4454 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4455 tm->tm_name = "manual"; 4456 tm->tm_opmode = 0; 4457 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4458 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4459 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4460 ifmedia_add(&sc->sc_mii.mii_media, 4461 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4462 4463 /* 4464 * XXX Autosense not yet supported. 4465 */ 4466 4467 /* XXX This should be auto-sense. */ 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_tp_tmsw_init(struct tulip_softc *sc) 4475 { 4476 static const u_int8_t media[] = { 4477 TULIP_ROM_MB_MEDIA_TP, 4478 TULIP_ROM_MB_MEDIA_TP_FDX, 4479 }; 4480 4481 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4482 tlp_mediastatus); 4483 4484 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4485 4486 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4487 4488 tlp_print_media(sc); 4489 } 4490 4491 static void 4492 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4493 { 4494 static const u_int8_t media[] = { 4495 TULIP_ROM_MB_MEDIA_AUI, 4496 }; 4497 4498 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4499 tlp_mediastatus); 4500 4501 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4502 4503 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4504 4505 tlp_print_media(sc); 4506 } 4507 4508 static void 4509 tlp_21041_tmsw_init(struct tulip_softc *sc) 4510 { 4511 static const u_int8_t media[] = { 4512 TULIP_ROM_MB_MEDIA_TP, 4513 TULIP_ROM_MB_MEDIA_TP_FDX, 4514 TULIP_ROM_MB_MEDIA_BNC, 4515 TULIP_ROM_MB_MEDIA_AUI, 4516 }; 4517 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4518 const struct tulip_srom_to_ifmedia *tsti; 4519 struct tulip_21x4x_media *tm; 4520 u_int16_t romdef; 4521 u_int8_t mb; 4522 4523 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4524 tlp_mediastatus); 4525 4526 if (tlp_isv_srom(sc->sc_srom) == 0) { 4527 not_isv_srom: 4528 /* 4529 * If we have a board without the standard 21041 SROM format, 4530 * we just assume all media are present and try and pick a 4531 * reasonable default. 4532 */ 4533 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4534 4535 /* 4536 * XXX Autosense not yet supported. 4537 */ 4538 4539 /* XXX This should be auto-sense. */ 4540 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4541 4542 tlp_print_media(sc); 4543 return; 4544 } 4545 4546 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4547 for (i = 0; i < devcnt; i++) { 4548 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4549 break; 4550 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4551 sc->sc_devno) 4552 break; 4553 } 4554 4555 if (i == devcnt) 4556 goto not_isv_srom; 4557 4558 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4559 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4560 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4561 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4562 4563 for (; m_cnt != 0; 4564 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4565 mb = sc->sc_srom[mb_offset]; 4566 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4567 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4568 case TULIP_ROM_MB_MEDIA_TP_FDX: 4569 case TULIP_ROM_MB_MEDIA_TP: 4570 case TULIP_ROM_MB_MEDIA_BNC: 4571 case TULIP_ROM_MB_MEDIA_AUI: 4572 tsti = tlp_srom_to_ifmedia(mb & 4573 TULIP_ROM_MB_MEDIA_CODE); 4574 4575 tlp_srom_media_info(sc, tsti, tm); 4576 4577 /* 4578 * Override our default SIA settings if the 4579 * SROM contains its own. 4580 */ 4581 if (mb & TULIP_ROM_MB_EXT) { 4582 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4583 mb_offset + TULIP_ROM_MB_CSR13); 4584 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4585 mb_offset + TULIP_ROM_MB_CSR14); 4586 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4587 mb_offset + TULIP_ROM_MB_CSR15); 4588 } 4589 4590 ifmedia_add(&sc->sc_mii.mii_media, 4591 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4592 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4593 break; 4594 4595 default: 4596 printf("%s: unknown media code 0x%02x\n", 4597 sc->sc_dev.dv_xname, 4598 mb & TULIP_ROM_MB_MEDIA_CODE); 4599 free(tm, M_DEVBUF); 4600 } 4601 } 4602 4603 /* 4604 * XXX Autosense not yet supported. 4605 */ 4606 4607 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4608 TULIP_ROM_IL_SELECT_CONN_TYPE); 4609 switch (romdef) { 4610 case SELECT_CONN_TYPE_TP: 4611 case SELECT_CONN_TYPE_TP_AUTONEG: 4612 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4613 defmedia = IFM_ETHER|IFM_10_T; 4614 break; 4615 4616 case SELECT_CONN_TYPE_TP_FDX: 4617 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4618 break; 4619 4620 case SELECT_CONN_TYPE_BNC: 4621 defmedia = IFM_ETHER|IFM_10_2; 4622 break; 4623 4624 case SELECT_CONN_TYPE_AUI: 4625 defmedia = IFM_ETHER|IFM_10_5; 4626 break; 4627 #if 0 /* XXX */ 4628 case SELECT_CONN_TYPE_ASENSE: 4629 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4630 defmedia = IFM_ETHER|IFM_AUTO; 4631 break; 4632 #endif 4633 default: 4634 defmedia = 0; 4635 } 4636 4637 if (defmedia == 0) { 4638 /* 4639 * XXX We should default to auto-sense. 4640 */ 4641 defmedia = IFM_ETHER|IFM_10_T; 4642 } 4643 4644 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4645 4646 tlp_print_media(sc); 4647 } 4648 4649 /* 4650 * DECchip 2114x ISV media switch. 4651 */ 4652 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4653 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4654 struct ifmediareq *); 4655 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4656 4657 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4658 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4659 }; 4660 4661 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4662 static int tlp_2114x_nway_set(struct tulip_softc *); 4663 4664 static void tlp_2114x_nway_statchg(struct device *); 4665 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4666 static void tlp_2114x_nway_auto(struct tulip_softc *); 4667 static void tlp_2114x_nway_status(struct tulip_softc *); 4668 4669 static void 4670 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4671 { 4672 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4673 struct ifmedia_entry *ife; 4674 struct mii_softc *phy; 4675 struct tulip_21x4x_media *tm; 4676 const struct tulip_srom_to_ifmedia *tsti; 4677 int i, devcnt, leaf_offset, m_cnt, type, length; 4678 int defmedia, miidef; 4679 u_int16_t word; 4680 u_int8_t *cp, *ncp; 4681 4682 defmedia = miidef = 0; 4683 4684 sc->sc_mii.mii_ifp = ifp; 4685 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4686 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4687 sc->sc_mii.mii_statchg = sc->sc_statchg; 4688 4689 /* 4690 * Ignore `instance'; we may get a mixture of SIA and MII 4691 * media, and `instance' is used to isolate or select the 4692 * PHY on the MII as appropriate. Note that duplicate media 4693 * are disallowed, so ignoring `instance' is safe. 4694 */ 4695 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4696 tlp_mediastatus); 4697 4698 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4699 for (i = 0; i < devcnt; i++) { 4700 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4701 break; 4702 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4703 sc->sc_devno) 4704 break; 4705 } 4706 4707 if (i == devcnt) { 4708 printf("%s: unable to locate info leaf in SROM\n", 4709 sc->sc_dev.dv_xname); 4710 return; 4711 } 4712 4713 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4714 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4715 4716 /* XXX SELECT CONN TYPE */ 4717 4718 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4719 4720 /* 4721 * On some chips, the first thing in the Info Leaf is the 4722 * GPIO pin direction data. 4723 */ 4724 switch (sc->sc_chip) { 4725 case TULIP_CHIP_21140: 4726 case TULIP_CHIP_21140A: 4727 case TULIP_CHIP_MX98713: 4728 case TULIP_CHIP_AX88140: 4729 case TULIP_CHIP_AX88141: 4730 sc->sc_gp_dir = *cp++; 4731 break; 4732 4733 default: 4734 /* Nothing. */ 4735 break; 4736 } 4737 4738 /* Get the media count. */ 4739 m_cnt = *cp++; 4740 4741 if (m_cnt == 0) { 4742 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4743 (*sc->sc_mediasw->tmsw_init)(sc); 4744 return; 4745 } 4746 4747 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4748 /* 4749 * Determine the type and length of this media block. 4750 * The 21143 is spec'd to always use extended format blocks, 4751 * but some cards don't set the bit to indicate this. 4752 * Hopefully there are no cards which really don't use 4753 * extended format blocks. 4754 */ 4755 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4756 length = 4; 4757 type = TULIP_ROM_MB_21140_GPR; 4758 } else { 4759 length = (*cp++ & 0x7f) - 1; 4760 type = *cp++ & 0x3f; 4761 } 4762 4763 /* Compute the start of the next block. */ 4764 ncp = cp + length; 4765 4766 /* Now, parse the block. */ 4767 switch (type) { 4768 case TULIP_ROM_MB_21140_GPR: 4769 tlp_get_minst(sc); 4770 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4771 4772 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4773 4774 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4775 tm->tm_get = tlp_21140_gpio_get; 4776 tm->tm_set = tlp_21140_gpio_set; 4777 4778 /* First is the media type code. */ 4779 tsti = tlp_srom_to_ifmedia(cp[0] & 4780 TULIP_ROM_MB_MEDIA_CODE); 4781 if (tsti == NULL) { 4782 /* Invalid media code. */ 4783 free(tm, M_DEVBUF); 4784 break; 4785 } 4786 4787 /* Get defaults. */ 4788 tlp_srom_media_info(sc, tsti, tm); 4789 4790 /* Next is any GPIO info for this media. */ 4791 tm->tm_gpdata = cp[1]; 4792 4793 /* 4794 * Next is a word containing OPMODE information 4795 * and info on how to detect if this media is 4796 * active. 4797 */ 4798 word = TULIP_ROM_GETW(cp, 2); 4799 tm->tm_opmode &= OPMODE_FD; 4800 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4801 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4802 tm->tm_actmask = 4803 TULIP_ROM_MB_BITPOS(word); 4804 tm->tm_actdata = 4805 (word & TULIP_ROM_MB_POLARITY) ? 4806 0 : tm->tm_actmask; 4807 } 4808 4809 ifmedia_add(&sc->sc_mii.mii_media, 4810 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4811 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4812 break; 4813 4814 case TULIP_ROM_MB_21140_MII: 4815 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4816 4817 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4818 4819 tm->tm_type = TULIP_ROM_MB_21140_MII; 4820 tm->tm_get = tlp_mii_getmedia; 4821 tm->tm_set = tlp_mii_setmedia; 4822 tm->tm_opmode = OPMODE_PS; 4823 4824 if (sc->sc_reset == NULL) 4825 sc->sc_reset = tlp_21140_reset; 4826 4827 /* First is the PHY number. */ 4828 tm->tm_phyno = *cp++; 4829 4830 /* Next is the MII select sequence length and offset. */ 4831 tm->tm_gp_length = *cp++; 4832 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4833 cp += tm->tm_gp_length; 4834 4835 /* Next is the MII reset sequence length and offset. */ 4836 tm->tm_reset_length = *cp++; 4837 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4838 cp += tm->tm_reset_length; 4839 4840 /* 4841 * The following items are left in the media block 4842 * that we don't particularly care about: 4843 * 4844 * capabilities W 4845 * advertisement W 4846 * full duplex W 4847 * tx threshold W 4848 * 4849 * These appear to be bits in the PHY registers, 4850 * which our MII code handles on its own. 4851 */ 4852 4853 /* 4854 * Before we probe the MII bus, we need to reset 4855 * it and issue the selection sequence. 4856 */ 4857 4858 /* Set the direction of the pins... */ 4859 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4860 4861 for (i = 0; i < tm->tm_reset_length; i++) { 4862 delay(10); 4863 TULIP_WRITE(sc, CSR_GPP, 4864 sc->sc_srom[tm->tm_reset_offset + i]); 4865 } 4866 4867 for (i = 0; i < tm->tm_gp_length; i++) { 4868 delay(10); 4869 TULIP_WRITE(sc, CSR_GPP, 4870 sc->sc_srom[tm->tm_gp_offset + i]); 4871 } 4872 4873 /* If there were no sequences, just lower the pins. */ 4874 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4875 delay(10); 4876 TULIP_WRITE(sc, CSR_GPP, 0); 4877 } 4878 4879 /* 4880 * Now, probe the MII for the PHY. Note, we know 4881 * the location of the PHY on the bus, but we don't 4882 * particularly care; the MII code just likes to 4883 * search the whole thing anyhow. 4884 */ 4885 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4886 MII_PHY_ANY, tm->tm_phyno, 0); 4887 4888 /* 4889 * Now, search for the PHY we hopefully just 4890 * configured. If it's not configured into the 4891 * kernel, we lose. The PHY's default media always 4892 * takes priority. 4893 */ 4894 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4895 phy != NULL; 4896 phy = LIST_NEXT(phy, mii_list)) 4897 if (phy->mii_offset == tm->tm_phyno) 4898 break; 4899 if (phy == NULL) { 4900 printf("%s: unable to configure MII\n", 4901 sc->sc_dev.dv_xname); 4902 break; 4903 } 4904 4905 sc->sc_flags |= TULIPF_HAS_MII; 4906 sc->sc_tick = tlp_mii_tick; 4907 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4908 phy->mii_inst); 4909 4910 /* 4911 * Okay, now that we've found the PHY and the MII 4912 * layer has added all of the media associated 4913 * with that PHY, we need to traverse the media 4914 * list, and add our `tm' to each entry's `aux' 4915 * pointer. 4916 * 4917 * We do this by looking for media with our 4918 * PHY's `instance'. 4919 */ 4920 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4921 ife != NULL; 4922 ife = TAILQ_NEXT(ife, ifm_list)) { 4923 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4924 continue; 4925 ife->ifm_aux = tm; 4926 } 4927 break; 4928 4929 case TULIP_ROM_MB_21142_SIA: 4930 tlp_get_minst(sc); 4931 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4932 4933 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4934 4935 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4936 tm->tm_get = tlp_sia_get; 4937 tm->tm_set = tlp_sia_set; 4938 4939 /* First is the media type code. */ 4940 tsti = tlp_srom_to_ifmedia(cp[0] & 4941 TULIP_ROM_MB_MEDIA_CODE); 4942 if (tsti == NULL) { 4943 /* Invalid media code. */ 4944 free(tm, M_DEVBUF); 4945 break; 4946 } 4947 4948 /* Get defaults. */ 4949 tlp_srom_media_info(sc, tsti, tm); 4950 4951 /* 4952 * Override our default SIA settings if the 4953 * SROM contains its own. 4954 */ 4955 if (cp[0] & 0x40) { 4956 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4957 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4958 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4959 cp += 7; 4960 } else 4961 cp++; 4962 4963 /* Next is GPIO control/data. */ 4964 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4965 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4966 4967 ifmedia_add(&sc->sc_mii.mii_media, 4968 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4969 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4970 break; 4971 4972 case TULIP_ROM_MB_21142_MII: 4973 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4974 4975 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4976 4977 tm->tm_type = TULIP_ROM_MB_21142_MII; 4978 tm->tm_get = tlp_mii_getmedia; 4979 tm->tm_set = tlp_mii_setmedia; 4980 tm->tm_opmode = OPMODE_PS; 4981 4982 if (sc->sc_reset == NULL) 4983 sc->sc_reset = tlp_21142_reset; 4984 4985 /* First is the PHY number. */ 4986 tm->tm_phyno = *cp++; 4987 4988 /* Next is the MII select sequence length and offset. */ 4989 tm->tm_gp_length = *cp++; 4990 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4991 cp += tm->tm_gp_length * 2; 4992 4993 /* Next is the MII reset sequence length and offset. */ 4994 tm->tm_reset_length = *cp++; 4995 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4996 cp += tm->tm_reset_length * 2; 4997 4998 /* 4999 * The following items are left in the media block 5000 * that we don't particularly care about: 5001 * 5002 * capabilities W 5003 * advertisement W 5004 * full duplex W 5005 * tx threshold W 5006 * MII interrupt W 5007 * 5008 * These appear to be bits in the PHY registers, 5009 * which our MII code handles on its own. 5010 */ 5011 5012 /* 5013 * Before we probe the MII bus, we need to reset 5014 * it and issue the selection sequence. 5015 */ 5016 5017 cp = &sc->sc_srom[tm->tm_reset_offset]; 5018 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 5019 delay(10); 5020 TULIP_WRITE(sc, CSR_SIAGEN, 5021 TULIP_ROM_GETW(cp, 0) << 16); 5022 } 5023 5024 cp = &sc->sc_srom[tm->tm_gp_offset]; 5025 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 5026 delay(10); 5027 TULIP_WRITE(sc, CSR_SIAGEN, 5028 TULIP_ROM_GETW(cp, 0) << 16); 5029 } 5030 5031 /* If there were no sequences, just lower the pins. */ 5032 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 5033 delay(10); 5034 TULIP_WRITE(sc, CSR_SIAGEN, 0); 5035 } 5036 5037 /* 5038 * Now, probe the MII for the PHY. Note, we know 5039 * the location of the PHY on the bus, but we don't 5040 * particularly care; the MII code just likes to 5041 * search the whole thing anyhow. 5042 */ 5043 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5044 MII_PHY_ANY, tm->tm_phyno, 0); 5045 5046 /* 5047 * Now, search for the PHY we hopefully just 5048 * configured. If it's not configured into the 5049 * kernel, we lose. The PHY's default media always 5050 * takes priority. 5051 */ 5052 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 5053 phy != NULL; 5054 phy = LIST_NEXT(phy, mii_list)) 5055 if (phy->mii_offset == tm->tm_phyno) 5056 break; 5057 if (phy == NULL) { 5058 printf("%s: unable to configure MII\n", 5059 sc->sc_dev.dv_xname); 5060 break; 5061 } 5062 5063 sc->sc_flags |= TULIPF_HAS_MII; 5064 sc->sc_tick = tlp_mii_tick; 5065 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 5066 phy->mii_inst); 5067 5068 /* 5069 * Okay, now that we've found the PHY and the MII 5070 * layer has added all of the media associated 5071 * with that PHY, we need to traverse the media 5072 * list, and add our `tm' to each entry's `aux' 5073 * pointer. 5074 * 5075 * We do this by looking for media with our 5076 * PHY's `instance'. 5077 */ 5078 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5079 ife != NULL; 5080 ife = TAILQ_NEXT(ife, ifm_list)) { 5081 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 5082 continue; 5083 ife->ifm_aux = tm; 5084 } 5085 break; 5086 5087 case TULIP_ROM_MB_21143_SYM: 5088 tlp_get_minst(sc); 5089 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5090 5091 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5092 5093 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5094 tm->tm_get = tlp_sia_get; 5095 tm->tm_set = tlp_sia_set; 5096 5097 /* First is the media type code. */ 5098 tsti = tlp_srom_to_ifmedia(cp[0] & 5099 TULIP_ROM_MB_MEDIA_CODE); 5100 if (tsti == NULL) { 5101 /* Invalid media code. */ 5102 free(tm, M_DEVBUF); 5103 break; 5104 } 5105 5106 /* Get defaults. */ 5107 tlp_srom_media_info(sc, tsti, tm); 5108 5109 /* Next is GPIO control/data. */ 5110 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5111 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5112 5113 /* 5114 * Next is a word containing OPMODE information 5115 * and info on how to detect if this media is 5116 * active. 5117 */ 5118 word = TULIP_ROM_GETW(cp, 5); 5119 tm->tm_opmode &= OPMODE_FD; 5120 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5121 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5122 tm->tm_actmask = 5123 TULIP_ROM_MB_BITPOS(word); 5124 tm->tm_actdata = 5125 (word & TULIP_ROM_MB_POLARITY) ? 5126 0 : tm->tm_actmask; 5127 } 5128 5129 ifmedia_add(&sc->sc_mii.mii_media, 5130 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5131 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5132 break; 5133 5134 case TULIP_ROM_MB_21143_RESET: 5135 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 5136 break; 5137 5138 default: 5139 printf("%s: unknown ISV media block type 0x%02x\n", 5140 sc->sc_dev.dv_xname, type); 5141 } 5142 } 5143 5144 /* 5145 * Deal with the case where no media is configured. 5146 */ 5147 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5148 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 5149 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5150 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5151 return; 5152 } 5153 5154 /* 5155 * Pick the default media. 5156 */ 5157 if (miidef != 0) 5158 defmedia = miidef; 5159 else { 5160 switch (sc->sc_chip) { 5161 case TULIP_CHIP_21140: 5162 case TULIP_CHIP_21140A: 5163 /* XXX should come from SROM */ 5164 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5165 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5166 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5167 /* 5168 * There is not a 10baseT media. 5169 * Fall back to the first found one. 5170 */ 5171 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5172 defmedia = ife->ifm_media; 5173 } 5174 break; 5175 5176 case TULIP_CHIP_21142: 5177 case TULIP_CHIP_21143: 5178 case TULIP_CHIP_MX98713A: 5179 case TULIP_CHIP_MX98715: 5180 case TULIP_CHIP_MX98715A: 5181 case TULIP_CHIP_MX98715AEC_X: 5182 case TULIP_CHIP_MX98725: 5183 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5184 tm->tm_name = "auto"; 5185 tm->tm_get = tlp_2114x_nway_get; 5186 tm->tm_set = tlp_2114x_nway_set; 5187 5188 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5189 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5190 5191 sc->sc_statchg = tlp_2114x_nway_statchg; 5192 sc->sc_tick = tlp_2114x_nway_tick; 5193 break; 5194 5195 default: 5196 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5197 break; 5198 } 5199 } 5200 5201 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5202 5203 /* 5204 * Display any non-MII media we've located. 5205 */ 5206 if (sc->sc_media_seen & 5207 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5208 tlp_print_media(sc); 5209 5210 tlp_sia_fixup(sc); 5211 } 5212 5213 static void 5214 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5215 { 5216 5217 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5218 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5219 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5220 } 5221 5222 static int 5223 tlp_2114x_nway_set(struct tulip_softc *sc) 5224 { 5225 5226 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5227 } 5228 5229 static void 5230 tlp_2114x_nway_statchg(struct device *self) 5231 { 5232 struct tulip_softc *sc = (struct tulip_softc *)self; 5233 struct mii_data *mii = &sc->sc_mii; 5234 struct ifmedia_entry *ife; 5235 5236 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5237 return; 5238 5239 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5240 mii->mii_media.ifm_mask)) == NULL) { 5241 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5242 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5243 panic("tlp_2114x_nway_statchg"); 5244 } 5245 5246 tlp_sia_media(sc, ife); 5247 } 5248 5249 static void 5250 tlp_2114x_nway_tick(void *arg) 5251 { 5252 struct tulip_softc *sc = arg; 5253 struct mii_data *mii = &sc->sc_mii; 5254 int s, ticks; 5255 5256 if (!device_is_active(&sc->sc_dev)) 5257 return; 5258 5259 s = splnet(); 5260 tlp_2114x_nway_service(sc, MII_TICK); 5261 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5262 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5263 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5264 sc->sc_flags |= TULIPF_LINK_UP; 5265 tlp_start(&sc->sc_ethercom.ec_if); 5266 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5267 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5268 sc->sc_flags &= ~TULIPF_LINK_UP; 5269 } 5270 splx(s); 5271 5272 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5273 ticks = hz >> 3; 5274 else 5275 ticks = hz; 5276 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5277 } 5278 5279 /* 5280 * Support for the 2114X internal NWay block. This is constructed 5281 * somewhat like a PHY driver for simplicity. 5282 */ 5283 5284 static int 5285 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5286 { 5287 struct mii_data *mii = &sc->sc_mii; 5288 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5289 5290 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5291 return (0); 5292 5293 switch (cmd) { 5294 case MII_POLLSTAT: 5295 /* Nothing special to do here. */ 5296 break; 5297 5298 case MII_MEDIACHG: 5299 switch (IFM_SUBTYPE(ife->ifm_media)) { 5300 case IFM_AUTO: 5301 goto restart; 5302 default: 5303 /* Manual setting doesn't go through here. */ 5304 printf("tlp_2114x_nway_service: oops!\n"); 5305 return (EINVAL); 5306 } 5307 break; 5308 5309 case MII_TICK: 5310 /* 5311 * Only used for autonegotiation. 5312 */ 5313 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5314 break; 5315 5316 /* 5317 * Check to see if we have link. If we do, we don't 5318 * need to restart the autonegotiation process. 5319 */ 5320 #if 0 5321 if (mii->mii_media_status & IFM_ACTIVE) 5322 #else 5323 if (sc->sc_flags & TULIPF_LINK_UP) 5324 #endif 5325 break; 5326 5327 /* 5328 * Only retry autonegotiation every 5 seconds. 5329 */ 5330 if (++sc->sc_nway_ticks != (5 << 3)) 5331 break; 5332 5333 restart: 5334 sc->sc_nway_ticks = 0; 5335 ife->ifm_data = IFM_NONE; 5336 tlp_2114x_nway_auto(sc); 5337 break; 5338 } 5339 5340 /* Update the media status. */ 5341 tlp_2114x_nway_status(sc); 5342 5343 /* 5344 * Callback if something changed. Manually configuration goes through 5345 * tlp_sia_set() anyway, so ignore that here. 5346 */ 5347 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5348 ife->ifm_data != mii->mii_media_active) { 5349 (*sc->sc_statchg)(&sc->sc_dev); 5350 ife->ifm_data = mii->mii_media_active; 5351 } 5352 return (0); 5353 } 5354 5355 static void 5356 tlp_2114x_nway_auto(struct tulip_softc *sc) 5357 { 5358 uint32_t siastat, siatxrx; 5359 5360 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5361 5362 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5363 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5364 siatxrx = 0xffbf; /* XXX magic number */ 5365 5366 /* Compute the link code word to advertise. */ 5367 if (sc->sc_sia_cap & BMSR_100T4) 5368 siatxrx |= SIATXRX_T4; 5369 if (sc->sc_sia_cap & BMSR_100TXFDX) 5370 siatxrx |= SIATXRX_TXF; 5371 if (sc->sc_sia_cap & BMSR_100TXHDX) 5372 siatxrx |= SIATXRX_THX; 5373 if (sc->sc_sia_cap & BMSR_10TFDX) 5374 sc->sc_opmode |= OPMODE_FD; 5375 if (sc->sc_sia_cap & BMSR_10THDX) 5376 siatxrx |= SIATXRX_TH; 5377 5378 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5379 5380 TULIP_WRITE(sc, CSR_SIACONN, 0); 5381 delay(1000); 5382 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5383 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5384 5385 siastat = TULIP_READ(sc, CSR_SIASTAT); 5386 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5387 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5388 siastat |= SIASTAT_ANS_TXDIS; 5389 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5390 } 5391 5392 static void 5393 tlp_2114x_nway_status(struct tulip_softc *sc) 5394 { 5395 struct mii_data *mii = &sc->sc_mii; 5396 uint32_t siatxrx, siastat, anlpar; 5397 5398 mii->mii_media_status = IFM_AVALID; 5399 mii->mii_media_active = IFM_ETHER; 5400 5401 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5402 return; 5403 5404 siastat = TULIP_READ(sc, CSR_SIASTAT); 5405 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5406 5407 if (siatxrx & SIATXRX_ANE) { 5408 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5409 /* Erg, still trying, I guess... */ 5410 mii->mii_media_active |= IFM_NONE; 5411 return; 5412 } 5413 5414 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5415 mii->mii_media_status |= IFM_ACTIVE; 5416 5417 if (siastat & SIASTAT_LPN) { 5418 anlpar = SIASTAT_GETLPC(siastat); 5419 if (anlpar & ANLPAR_T4 && 5420 sc->sc_sia_cap & BMSR_100T4) 5421 mii->mii_media_active |= IFM_100_T4; 5422 else if (anlpar & ANLPAR_TX_FD && 5423 sc->sc_sia_cap & BMSR_100TXFDX) 5424 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5425 else if (anlpar & ANLPAR_TX && 5426 sc->sc_sia_cap & BMSR_100TXHDX) 5427 mii->mii_media_active |= IFM_100_TX; 5428 else if (anlpar & ANLPAR_10_FD && 5429 sc->sc_sia_cap & BMSR_10TFDX) 5430 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5431 else if (anlpar & ANLPAR_10 && 5432 sc->sc_sia_cap & BMSR_10THDX) 5433 mii->mii_media_active |= IFM_10_T; 5434 else 5435 mii->mii_media_active |= IFM_NONE; 5436 } else { 5437 /* 5438 * If the other side doesn't support NWAY, then the 5439 * best we can do is determine if we have a 10Mbps or 5440 * 100Mbps link. There's no way to know if the link 5441 * is full or half duplex, so we default to half duplex 5442 * and hope that the user is clever enough to manually 5443 * change the media settings if we're wrong. 5444 */ 5445 if ((siastat & SIASTAT_LS100) == 0) 5446 mii->mii_media_active |= IFM_100_TX; 5447 else if ((siastat & SIASTAT_LS10) == 0) 5448 mii->mii_media_active |= IFM_10_T; 5449 else 5450 mii->mii_media_active |= IFM_NONE; 5451 } 5452 } else { 5453 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5454 mii->mii_media_status |= IFM_ACTIVE; 5455 5456 if (sc->sc_opmode & OPMODE_TTM) 5457 mii->mii_media_active |= IFM_10_T; 5458 else 5459 mii->mii_media_active |= IFM_100_TX; 5460 if (sc->sc_opmode & OPMODE_FD) 5461 mii->mii_media_active |= IFM_FDX; 5462 } 5463 } 5464 5465 static void 5466 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5467 { 5468 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5469 struct tulip_21x4x_media *tm = ife->ifm_aux; 5470 5471 (*tm->tm_get)(sc, ifmr); 5472 } 5473 5474 static int 5475 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5476 { 5477 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5478 struct tulip_21x4x_media *tm = ife->ifm_aux; 5479 5480 /* 5481 * Check to see if we need to reset the chip, and do it. The 5482 * reset path will get the OPMODE register right the next 5483 * time through. 5484 */ 5485 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5486 return (tlp_init(&sc->sc_ethercom.ec_if)); 5487 5488 return ((*tm->tm_set)(sc)); 5489 } 5490 5491 /* 5492 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5493 */ 5494 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5495 5496 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5497 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5498 }; 5499 5500 static void 5501 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5502 { 5503 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5504 5505 /* 5506 * We don't attach any media info structures to the ifmedia 5507 * entries, so if we're using a pre-init function that needs 5508 * that info, override it to one that doesn't. 5509 */ 5510 if (sc->sc_preinit == tlp_2114x_preinit) 5511 sc->sc_preinit = tlp_2114x_mii_preinit; 5512 5513 sc->sc_mii.mii_ifp = ifp; 5514 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5515 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5516 sc->sc_mii.mii_statchg = sc->sc_statchg; 5517 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5518 tlp_mediastatus); 5519 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5520 MII_OFFSET_ANY, 0); 5521 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5522 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5523 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5524 } else { 5525 sc->sc_flags |= TULIPF_HAS_MII; 5526 sc->sc_tick = tlp_mii_tick; 5527 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5528 } 5529 } 5530 5531 /* 5532 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5533 */ 5534 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5535 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5536 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5537 5538 const struct tulip_mediasw tlp_pnic_mediasw = { 5539 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5540 }; 5541 5542 static void tlp_pnic_nway_statchg(struct device *); 5543 static void tlp_pnic_nway_tick(void *); 5544 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5545 static void tlp_pnic_nway_reset(struct tulip_softc *); 5546 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5547 static void tlp_pnic_nway_auto_timeout(void *); 5548 static void tlp_pnic_nway_status(struct tulip_softc *); 5549 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5550 5551 static void 5552 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5553 { 5554 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5555 const char *sep = ""; 5556 5557 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5558 #define PRINT(str) printf("%s%s", sep, str); sep = ", " 5559 5560 sc->sc_mii.mii_ifp = ifp; 5561 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5562 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5563 sc->sc_mii.mii_statchg = sc->sc_statchg; 5564 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5565 tlp_mediastatus); 5566 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5567 MII_OFFSET_ANY, 0); 5568 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5569 /* XXX What about AUI/BNC support? */ 5570 printf("%s: ", sc->sc_dev.dv_xname); 5571 5572 tlp_pnic_nway_reset(sc); 5573 5574 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5575 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5576 PRINT("10baseT"); 5577 5578 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5579 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5580 PRINT("10baseT-FDX"); 5581 5582 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5583 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5584 PRINT("100baseTX"); 5585 5586 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5587 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5588 PNIC_NWAY_CAP100TXFDX); 5589 PRINT("100baseTX-FDX"); 5590 5591 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5592 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5593 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5594 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5595 PRINT("auto"); 5596 5597 printf("\n"); 5598 5599 sc->sc_statchg = tlp_pnic_nway_statchg; 5600 sc->sc_tick = tlp_pnic_nway_tick; 5601 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5602 } else { 5603 sc->sc_flags |= TULIPF_HAS_MII; 5604 sc->sc_tick = tlp_mii_tick; 5605 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5606 } 5607 5608 #undef ADD 5609 #undef PRINT 5610 } 5611 5612 static void 5613 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5614 { 5615 struct mii_data *mii = &sc->sc_mii; 5616 5617 if (sc->sc_flags & TULIPF_HAS_MII) 5618 tlp_mii_getmedia(sc, ifmr); 5619 else { 5620 mii->mii_media_status = 0; 5621 mii->mii_media_active = IFM_NONE; 5622 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5623 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5624 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5625 } 5626 } 5627 5628 static int 5629 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5630 { 5631 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5632 struct mii_data *mii = &sc->sc_mii; 5633 5634 if (sc->sc_flags & TULIPF_HAS_MII) { 5635 /* 5636 * Make sure the built-in Tx jabber timer is disabled. 5637 */ 5638 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5639 5640 return (tlp_mii_setmedia(sc)); 5641 } 5642 5643 if (ifp->if_flags & IFF_UP) { 5644 mii->mii_media_status = 0; 5645 mii->mii_media_active = IFM_NONE; 5646 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5647 } 5648 5649 return (0); 5650 } 5651 5652 static void 5653 tlp_pnic_nway_statchg(struct device *self) 5654 { 5655 struct tulip_softc *sc = (struct tulip_softc *)self; 5656 5657 /* Idle the transmit and receive processes. */ 5658 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5659 5660 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5661 OPMODE_SCR|OPMODE_HBD); 5662 5663 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5664 sc->sc_opmode |= OPMODE_TTM; 5665 TULIP_WRITE(sc, CSR_GPP, 5666 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5667 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5668 } else { 5669 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5670 TULIP_WRITE(sc, CSR_GPP, 5671 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5672 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5673 } 5674 5675 if (sc->sc_mii.mii_media_active & IFM_FDX) 5676 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5677 5678 /* 5679 * Write new OPMODE bits. This also restarts the transmit 5680 * and receive processes. 5681 */ 5682 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5683 } 5684 5685 static void 5686 tlp_pnic_nway_tick(void *arg) 5687 { 5688 struct tulip_softc *sc = arg; 5689 int s; 5690 5691 if (!device_is_active(&sc->sc_dev)) 5692 return; 5693 5694 s = splnet(); 5695 tlp_pnic_nway_service(sc, MII_TICK); 5696 splx(s); 5697 5698 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5699 } 5700 5701 /* 5702 * Support for the Lite-On PNIC internal NWay block. This is constructed 5703 * somewhat like a PHY driver for simplicity. 5704 */ 5705 5706 static int 5707 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5708 { 5709 struct mii_data *mii = &sc->sc_mii; 5710 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5711 5712 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5713 return (0); 5714 5715 switch (cmd) { 5716 case MII_POLLSTAT: 5717 /* Nothing special to do here. */ 5718 break; 5719 5720 case MII_MEDIACHG: 5721 switch (IFM_SUBTYPE(ife->ifm_media)) { 5722 case IFM_AUTO: 5723 (void) tlp_pnic_nway_auto(sc, 1); 5724 break; 5725 case IFM_100_T4: 5726 /* 5727 * XXX Not supported as a manual setting right now. 5728 */ 5729 return (EINVAL); 5730 default: 5731 /* 5732 * NWAY register data is stored in the ifmedia entry. 5733 */ 5734 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5735 } 5736 break; 5737 5738 case MII_TICK: 5739 /* 5740 * Only used for autonegotiation. 5741 */ 5742 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5743 return (0); 5744 5745 /* 5746 * Check to see if we have link. If we do, we don't 5747 * need to restart the autonegotiation process. 5748 */ 5749 if (sc->sc_flags & TULIPF_LINK_UP) 5750 return (0); 5751 5752 /* 5753 * Only retry autonegotiation every 5 seconds. 5754 */ 5755 if (++sc->sc_nway_ticks != 5) 5756 return (0); 5757 5758 sc->sc_nway_ticks = 0; 5759 tlp_pnic_nway_reset(sc); 5760 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5761 return (0); 5762 break; 5763 } 5764 5765 /* Update the media status. */ 5766 tlp_pnic_nway_status(sc); 5767 5768 /* Callback if something changed. */ 5769 if ((sc->sc_nway_active == NULL || 5770 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5771 cmd == MII_MEDIACHG) { 5772 (*sc->sc_statchg)(&sc->sc_dev); 5773 tlp_nway_activate(sc, mii->mii_media_active); 5774 } 5775 return (0); 5776 } 5777 5778 static void 5779 tlp_pnic_nway_reset(struct tulip_softc *sc) 5780 { 5781 5782 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5783 delay(100); 5784 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5785 } 5786 5787 static int 5788 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5789 { 5790 struct mii_data *mii = &sc->sc_mii; 5791 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5792 u_int32_t reg; 5793 int i; 5794 5795 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5796 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5797 5798 if (waitfor) { 5799 /* Wait 500ms for it to complete. */ 5800 for (i = 0; i < 500; i++) { 5801 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5802 if (reg & PNIC_NWAY_LPAR_MASK) { 5803 tlp_pnic_nway_acomp(sc); 5804 return (0); 5805 } 5806 delay(1000); 5807 } 5808 #if 0 5809 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5810 printf("%s: autonegotiation failed to complete\n", 5811 sc->sc_dev.dv_xname); 5812 #endif 5813 5814 /* 5815 * Don't need to worry about clearing DOINGAUTO. 5816 * If that's set, a timeout is pending, and it will 5817 * clear the flag. 5818 */ 5819 return (EIO); 5820 } 5821 5822 /* 5823 * Just let it finish asynchronously. This is for the benefit of 5824 * the tick handler driving autonegotiation. Don't want 500ms 5825 * delays all the time while the system is running! 5826 */ 5827 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5828 sc->sc_flags |= TULIPF_DOINGAUTO; 5829 callout_reset(&sc->sc_nway_callout, hz >> 1, 5830 tlp_pnic_nway_auto_timeout, sc); 5831 } 5832 return (EJUSTRETURN); 5833 } 5834 5835 static void 5836 tlp_pnic_nway_auto_timeout(void *arg) 5837 { 5838 struct tulip_softc *sc = arg; 5839 u_int32_t reg; 5840 int s; 5841 5842 s = splnet(); 5843 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5844 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5845 #if 0 5846 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5847 printf("%s: autonegotiation failed to complete\n", 5848 sc->sc_dev.dv_xname); 5849 #endif 5850 5851 tlp_pnic_nway_acomp(sc); 5852 5853 /* Update the media status. */ 5854 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5855 splx(s); 5856 } 5857 5858 static void 5859 tlp_pnic_nway_status(struct tulip_softc *sc) 5860 { 5861 struct mii_data *mii = &sc->sc_mii; 5862 u_int32_t reg; 5863 5864 mii->mii_media_status = IFM_AVALID; 5865 mii->mii_media_active = IFM_ETHER; 5866 5867 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5868 5869 if (sc->sc_flags & TULIPF_LINK_UP) 5870 mii->mii_media_status |= IFM_ACTIVE; 5871 5872 if (reg & PNIC_NWAY_NW) { 5873 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5874 /* Erg, still trying, I guess... */ 5875 mii->mii_media_active |= IFM_NONE; 5876 return; 5877 } 5878 5879 #if 0 5880 if (reg & PNIC_NWAY_LPAR100T4) 5881 mii->mii_media_active |= IFM_100_T4; 5882 else 5883 #endif 5884 if (reg & PNIC_NWAY_LPAR100TXFDX) 5885 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5886 else if (reg & PNIC_NWAY_LPAR100TX) 5887 mii->mii_media_active |= IFM_100_TX; 5888 else if (reg & PNIC_NWAY_LPAR10TFDX) 5889 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5890 else if (reg & PNIC_NWAY_LPAR10T) 5891 mii->mii_media_active |= IFM_10_T; 5892 else 5893 mii->mii_media_active |= IFM_NONE; 5894 } else { 5895 if (reg & PNIC_NWAY_100) 5896 mii->mii_media_active |= IFM_100_TX; 5897 else 5898 mii->mii_media_active |= IFM_10_T; 5899 if (reg & PNIC_NWAY_FD) 5900 mii->mii_media_active |= IFM_FDX; 5901 } 5902 } 5903 5904 static void 5905 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5906 { 5907 u_int32_t reg; 5908 5909 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5910 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5911 5912 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5913 reg |= PNIC_NWAY_100; 5914 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5915 reg |= PNIC_NWAY_FD; 5916 5917 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5918 } 5919 5920 /* 5921 * Macronix PMAC and Lite-On PNIC-II media switch: 5922 * 5923 * MX98713 and MX98713A 21140-like MII or GPIO media. 5924 * 5925 * MX98713A 21143-like MII or SIA/SYM media. 5926 * 5927 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5928 * 82C115, MX98715AEC-C, -E 5929 * 5930 * So, what we do here is fake MII-on-SIO or ISV media info, and 5931 * use the ISV media switch get/set functions to handle the rest. 5932 */ 5933 5934 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5935 5936 const struct tulip_mediasw tlp_pmac_mediasw = { 5937 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5938 }; 5939 5940 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5941 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5942 }; 5943 5944 static void 5945 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5946 { 5947 static const u_int8_t media[] = { 5948 TULIP_ROM_MB_MEDIA_TP, 5949 TULIP_ROM_MB_MEDIA_TP_FDX, 5950 TULIP_ROM_MB_MEDIA_100TX, 5951 TULIP_ROM_MB_MEDIA_100TX_FDX, 5952 }; 5953 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5954 struct tulip_21x4x_media *tm; 5955 5956 sc->sc_mii.mii_ifp = ifp; 5957 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5958 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5959 sc->sc_mii.mii_statchg = sc->sc_statchg; 5960 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5961 tlp_mediastatus); 5962 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5963 sc->sc_chip == TULIP_CHIP_MX98713A) { 5964 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5965 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5966 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5967 sc->sc_flags |= TULIPF_HAS_MII; 5968 sc->sc_tick = tlp_mii_tick; 5969 sc->sc_preinit = tlp_2114x_mii_preinit; 5970 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5971 ifmedia_set(&sc->sc_mii.mii_media, 5972 IFM_ETHER|IFM_AUTO); 5973 return; 5974 } 5975 } 5976 5977 switch (sc->sc_chip) { 5978 case TULIP_CHIP_MX98713: 5979 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5980 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5981 5982 /* 5983 * XXX Should implement auto-sense for this someday, 5984 * XXX when we do the same for the 21140. 5985 */ 5986 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5987 break; 5988 5989 default: 5990 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5991 tlp_sia_get, tlp_sia_set, media, 2); 5992 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5993 tlp_sia_get, tlp_sia_set, media + 2, 2); 5994 5995 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5996 tm->tm_name = "auto"; 5997 tm->tm_get = tlp_2114x_nway_get; 5998 tm->tm_set = tlp_2114x_nway_set; 5999 ifmedia_add(&sc->sc_mii.mii_media, 6000 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 6001 6002 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6003 sc->sc_statchg = tlp_2114x_nway_statchg; 6004 sc->sc_tick = tlp_2114x_nway_tick; 6005 break; 6006 } 6007 6008 tlp_print_media(sc); 6009 tlp_sia_fixup(sc); 6010 6011 /* Set the LED modes. */ 6012 tlp_pmac_reset(sc); 6013 6014 sc->sc_reset = tlp_pmac_reset; 6015 } 6016 6017 /* 6018 * ADMtek AL981 media switch. Only has internal PHY. 6019 */ 6020 static void tlp_al981_tmsw_init(struct tulip_softc *); 6021 6022 const struct tulip_mediasw tlp_al981_mediasw = { 6023 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6024 }; 6025 6026 static void 6027 tlp_al981_tmsw_init(struct tulip_softc *sc) 6028 { 6029 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6030 6031 sc->sc_mii.mii_ifp = ifp; 6032 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 6033 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 6034 sc->sc_mii.mii_statchg = sc->sc_statchg; 6035 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6036 tlp_mediastatus); 6037 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6038 MII_OFFSET_ANY, 0); 6039 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6040 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6041 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6042 } else { 6043 sc->sc_flags |= TULIPF_HAS_MII; 6044 sc->sc_tick = tlp_mii_tick; 6045 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6046 } 6047 } 6048 6049 /* 6050 * ADMtek AN983/985 media switch. Only has internal PHY, but 6051 * on an SIO-like interface. Unfortunately, we can't use the 6052 * standard SIO media switch, because the AN985 "ghosts" the 6053 * singly PHY at every address. 6054 */ 6055 static void tlp_an985_tmsw_init(struct tulip_softc *); 6056 6057 const struct tulip_mediasw tlp_an985_mediasw = { 6058 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6059 }; 6060 6061 static void 6062 tlp_an985_tmsw_init(struct tulip_softc *sc) 6063 { 6064 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6065 6066 sc->sc_mii.mii_ifp = ifp; 6067 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6068 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6069 sc->sc_mii.mii_statchg = sc->sc_statchg; 6070 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6071 tlp_mediastatus); 6072 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6073 MII_OFFSET_ANY, 0); 6074 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6075 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6076 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6077 } else { 6078 sc->sc_flags |= TULIPF_HAS_MII; 6079 sc->sc_tick = tlp_mii_tick; 6080 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6081 } 6082 } 6083 6084 /* 6085 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 6086 */ 6087 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 6088 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6089 struct ifmediareq *); 6090 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6091 6092 const struct tulip_mediasw tlp_dm9102_mediasw = { 6093 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6094 tlp_dm9102_tmsw_setmedia 6095 }; 6096 6097 static void 6098 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6099 { 6100 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6101 u_int32_t opmode; 6102 6103 sc->sc_mii.mii_ifp = ifp; 6104 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6105 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6106 sc->sc_mii.mii_statchg = sc->sc_statchg; 6107 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6108 tlp_mediastatus); 6109 6110 /* PHY block already reset via tlp_reset(). */ 6111 6112 /* 6113 * Configure OPMODE properly for the internal MII interface. 6114 */ 6115 switch (sc->sc_chip) { 6116 case TULIP_CHIP_DM9102: 6117 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6118 break; 6119 6120 case TULIP_CHIP_DM9102A: 6121 opmode = OPMODE_MBO|OPMODE_HBD; 6122 break; 6123 6124 default: 6125 opmode = 0; 6126 break; 6127 } 6128 6129 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6130 6131 /* Now, probe the internal MII for the internal PHY. */ 6132 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6133 MII_OFFSET_ANY, 0); 6134 6135 /* 6136 * XXX Figure out what to do about the HomePNA portion 6137 * XXX of the DM9102A. 6138 */ 6139 6140 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6141 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6142 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6143 } else { 6144 sc->sc_flags |= TULIPF_HAS_MII; 6145 sc->sc_tick = tlp_mii_tick; 6146 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6147 } 6148 } 6149 6150 static void 6151 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6152 { 6153 6154 /* XXX HomePNA on DM9102A. */ 6155 tlp_mii_getmedia(sc, ifmr); 6156 } 6157 6158 static int 6159 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6160 { 6161 6162 /* XXX HomePNA on DM9102A. */ 6163 return (tlp_mii_setmedia(sc)); 6164 } 6165 6166 /* 6167 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6168 */ 6169 6170 static void tlp_asix_tmsw_init(struct tulip_softc *); 6171 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6172 struct ifmediareq *); 6173 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6174 6175 const struct tulip_mediasw tlp_asix_mediasw = { 6176 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6177 tlp_asix_tmsw_setmedia 6178 }; 6179 6180 static void 6181 tlp_asix_tmsw_init(struct tulip_softc *sc) 6182 { 6183 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6184 u_int32_t opmode; 6185 6186 sc->sc_mii.mii_ifp = ifp; 6187 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6188 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6189 sc->sc_mii.mii_statchg = sc->sc_statchg; 6190 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6191 tlp_mediastatus); 6192 6193 /* 6194 * Configure OPMODE properly for the internal MII interface. 6195 */ 6196 switch (sc->sc_chip) { 6197 case TULIP_CHIP_AX88140: 6198 case TULIP_CHIP_AX88141: 6199 opmode = OPMODE_HBD|OPMODE_PS; 6200 break; 6201 default: 6202 opmode = 0; 6203 break; 6204 } 6205 6206 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6207 6208 /* Now, probe the internal MII for the internal PHY. */ 6209 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6210 MII_OFFSET_ANY, 0); 6211 6212 /* XXX Figure how to handle the PHY. */ 6213 6214 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6215 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6216 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6217 } else { 6218 sc->sc_flags |= TULIPF_HAS_MII; 6219 sc->sc_tick = tlp_mii_tick; 6220 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6221 } 6222 6223 6224 } 6225 6226 static void 6227 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6228 { 6229 6230 /* XXX PHY handling. */ 6231 tlp_mii_getmedia(sc, ifmr); 6232 } 6233 6234 static int 6235 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6236 { 6237 6238 /* XXX PHY handling. */ 6239 return (tlp_mii_setmedia(sc)); 6240 } 6241 6242 /* 6243 * RS7112 media switch. Handles only MII attached to the SIO. 6244 * We only have a PHY at 1. 6245 */ 6246 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6247 6248 const struct tulip_mediasw tlp_rs7112_mediasw = { 6249 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6250 }; 6251 6252 void 6253 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6254 { 6255 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6256 6257 /* 6258 * We don't attach any media info structures to the ifmedia 6259 * entries, so if we're using a pre-init function that needs 6260 * that info, override it to one that doesn't. 6261 */ 6262 if (sc->sc_preinit == tlp_2114x_preinit) 6263 sc->sc_preinit = tlp_2114x_mii_preinit; 6264 6265 sc->sc_mii.mii_ifp = ifp; 6266 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6267 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6268 sc->sc_mii.mii_statchg = sc->sc_statchg; 6269 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6270 tlp_mediastatus); 6271 6272 /* 6273 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6274 * and 1 (ethernet). We attach ethernet only. 6275 */ 6276 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6277 MII_OFFSET_ANY, 0); 6278 6279 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6280 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6281 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6282 } else { 6283 sc->sc_flags |= TULIPF_HAS_MII; 6284 sc->sc_tick = tlp_mii_tick; 6285 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6286 } 6287 } 6288
Indexes created Wed Oct 15 16:09:53 GMT 2025