1 /* $NetBSD: tulip.c,v 1.173 2009/12/04 22:45:28 dyoung 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 35 * Ethernet controller family, and a variety of clone chips. 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.173 2009/12/04 22:45:28 dyoung Exp $"); 40 41 #include "bpfilter.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/callout.h> 46 #include <sys/mbuf.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/socket.h> 50 #include <sys/ioctl.h> 51 #include <sys/errno.h> 52 #include <sys/device.h> 53 54 #include <machine/endian.h> 55 56 #include <uvm/uvm_extern.h> 57 58 #include <net/if.h> 59 #include <net/if_dl.h> 60 #include <net/if_media.h> 61 #include <net/if_ether.h> 62 63 #if NBPFILTER > 0 64 #include <net/bpf.h> 65 #endif 66 67 #include <sys/bus.h> 68 #include <sys/intr.h> 69 70 #include <dev/mii/mii.h> 71 #include <dev/mii/miivar.h> 72 #include <dev/mii/mii_bitbang.h> 73 74 #include <dev/ic/tulipreg.h> 75 #include <dev/ic/tulipvar.h> 76 77 const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; 78 79 static const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 80 TLP_TXTHRESH_TAB_10; 81 82 static const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 83 TLP_TXTHRESH_TAB_10_100; 84 85 static const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 86 TLP_TXTHRESH_TAB_WINB; 87 88 static const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 89 TLP_TXTHRESH_TAB_DM9102; 90 91 static void tlp_start(struct ifnet *); 92 static void tlp_watchdog(struct ifnet *); 93 static int tlp_ioctl(struct ifnet *, u_long, void *); 94 static int tlp_init(struct ifnet *); 95 static void tlp_stop(struct ifnet *, int); 96 static int tlp_ifflags_cb(struct ethercom *); 97 98 static void tlp_rxdrain(struct tulip_softc *); 99 static int tlp_add_rxbuf(struct tulip_softc *, int); 100 static void tlp_srom_idle(struct tulip_softc *); 101 static int tlp_srom_size(struct tulip_softc *); 102 103 static int tlp_enable(struct tulip_softc *); 104 static void tlp_disable(struct tulip_softc *); 105 106 static void tlp_filter_setup(struct tulip_softc *); 107 static void tlp_winb_filter_setup(struct tulip_softc *); 108 static void tlp_al981_filter_setup(struct tulip_softc *); 109 static void tlp_asix_filter_setup(struct tulip_softc *); 110 111 static void tlp_rxintr(struct tulip_softc *); 112 static void tlp_txintr(struct tulip_softc *); 113 114 static void tlp_mii_tick(void *); 115 static void tlp_mii_statchg(device_t); 116 static void tlp_winb_mii_statchg(device_t); 117 static void tlp_dm9102_mii_statchg(device_t); 118 119 static void tlp_mii_getmedia(struct tulip_softc *, struct ifmediareq *); 120 static int tlp_mii_setmedia(struct tulip_softc *); 121 122 static int tlp_bitbang_mii_readreg(device_t, int, int); 123 static void tlp_bitbang_mii_writereg(device_t, int, int, int); 124 125 static int tlp_pnic_mii_readreg(device_t, int, int); 126 static void tlp_pnic_mii_writereg(device_t, int, int, int); 127 128 static int tlp_al981_mii_readreg(device_t, int, int); 129 static void tlp_al981_mii_writereg(device_t, int, int, int); 130 131 static void tlp_2114x_preinit(struct tulip_softc *); 132 static void tlp_2114x_mii_preinit(struct tulip_softc *); 133 static void tlp_pnic_preinit(struct tulip_softc *); 134 static void tlp_dm9102_preinit(struct tulip_softc *); 135 static void tlp_asix_preinit(struct tulip_softc *); 136 137 static void tlp_21140_reset(struct tulip_softc *); 138 static void tlp_21142_reset(struct tulip_softc *); 139 static void tlp_pmac_reset(struct tulip_softc *); 140 #if 0 141 static void tlp_dm9102_reset(struct tulip_softc *); 142 #endif 143 144 static void tlp_2114x_nway_tick(void *); 145 146 #define tlp_mchash(addr, sz) \ 147 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 148 149 /* 150 * MII bit-bang glue. 151 */ 152 static uint32_t tlp_sio_mii_bitbang_read(device_t); 153 static void tlp_sio_mii_bitbang_write(device_t, uint32_t); 154 155 static const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 156 tlp_sio_mii_bitbang_read, 157 tlp_sio_mii_bitbang_write, 158 { 159 MIIROM_MDO, /* MII_BIT_MDO */ 160 MIIROM_MDI, /* MII_BIT_MDI */ 161 MIIROM_MDC, /* MII_BIT_MDC */ 162 0, /* MII_BIT_DIR_HOST_PHY */ 163 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 164 } 165 }; 166 167 #ifdef TLP_DEBUG 168 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 169 printf x 170 #else 171 #define DPRINTF(sc, x) /* nothing */ 172 #endif 173 174 #ifdef TLP_STATS 175 static void tlp_print_stats(struct tulip_softc *); 176 #endif 177 178 /* 179 * Can be used to debug the SROM-related things, including contents. 180 * Initialized so that it's patchable. 181 */ 182 int tlp_srom_debug = 0; 183 184 /* 185 * tlp_attach: 186 * 187 * Attach a Tulip interface to the system. 188 */ 189 int 190 tlp_attach(struct tulip_softc *sc, const uint8_t *enaddr) 191 { 192 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 193 device_t self = sc->sc_dev; 194 int i, error; 195 196 callout_init(&sc->sc_nway_callout, 0); 197 callout_init(&sc->sc_tick_callout, 0); 198 199 /* 200 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 201 */ 202 203 /* 204 * Setup the transmit threshold table. 205 */ 206 switch (sc->sc_chip) { 207 case TULIP_CHIP_DE425: 208 case TULIP_CHIP_21040: 209 case TULIP_CHIP_21041: 210 sc->sc_txth = tlp_10_txthresh_tab; 211 break; 212 213 case TULIP_CHIP_DM9102: 214 case TULIP_CHIP_DM9102A: 215 sc->sc_txth = tlp_dm9102_txthresh_tab; 216 break; 217 218 default: 219 sc->sc_txth = tlp_10_100_txthresh_tab; 220 break; 221 } 222 223 /* 224 * Setup the filter setup function. 225 */ 226 switch (sc->sc_chip) { 227 case TULIP_CHIP_WB89C840F: 228 sc->sc_filter_setup = tlp_winb_filter_setup; 229 break; 230 231 case TULIP_CHIP_AL981: 232 case TULIP_CHIP_AN983: 233 case TULIP_CHIP_AN985: 234 sc->sc_filter_setup = tlp_al981_filter_setup; 235 break; 236 237 case TULIP_CHIP_AX88140: 238 case TULIP_CHIP_AX88141: 239 sc->sc_filter_setup = tlp_asix_filter_setup; 240 break; 241 242 default: 243 sc->sc_filter_setup = tlp_filter_setup; 244 break; 245 } 246 247 /* 248 * Set up the media status change function. 249 */ 250 switch (sc->sc_chip) { 251 case TULIP_CHIP_WB89C840F: 252 sc->sc_statchg = tlp_winb_mii_statchg; 253 break; 254 255 case TULIP_CHIP_DM9102: 256 case TULIP_CHIP_DM9102A: 257 sc->sc_statchg = tlp_dm9102_mii_statchg; 258 break; 259 260 default: 261 /* 262 * We may override this if we have special media 263 * handling requirements (e.g. flipping GPIO pins). 264 * 265 * The pure-MII statchg function covers the basics. 266 */ 267 sc->sc_statchg = tlp_mii_statchg; 268 break; 269 } 270 271 /* 272 * Default to no FS|LS in setup packet descriptors. They're 273 * supposed to be zero according to the 21040 and 21143 274 * manuals, and some chips fall over badly if they're 275 * included. Yet, other chips seem to require them. Sigh. 276 */ 277 switch (sc->sc_chip) { 278 case TULIP_CHIP_X3201_3: 279 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 280 break; 281 282 default: 283 sc->sc_setup_fsls = 0; 284 } 285 286 /* 287 * Set up various chip-specific quirks. 288 * 289 * Note that wherever we can, we use the "ring" option for 290 * transmit and receive descriptors. This is because some 291 * clone chips apparently have problems when using chaining, 292 * although some *only* support chaining. 293 * 294 * What we do is always program the "next" pointer, and then 295 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 296 * appropriate places. 297 */ 298 switch (sc->sc_chip) { 299 case TULIP_CHIP_21140: 300 case TULIP_CHIP_21140A: 301 case TULIP_CHIP_21142: 302 case TULIP_CHIP_21143: 303 case TULIP_CHIP_82C115: /* 21143-like */ 304 case TULIP_CHIP_MX98713: /* 21140-like */ 305 case TULIP_CHIP_MX98713A: /* 21143-like */ 306 case TULIP_CHIP_MX98715: /* 21143-like */ 307 case TULIP_CHIP_MX98715A: /* 21143-like */ 308 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 309 case TULIP_CHIP_MX98725: /* 21143-like */ 310 case TULIP_CHIP_RS7112: /* 21143-like */ 311 /* 312 * Run these chips in ring mode. 313 */ 314 sc->sc_tdctl_ch = 0; 315 sc->sc_tdctl_er = TDCTL_ER; 316 sc->sc_preinit = tlp_2114x_preinit; 317 break; 318 319 case TULIP_CHIP_82C168: 320 case TULIP_CHIP_82C169: 321 /* 322 * Run these chips in ring mode. 323 */ 324 sc->sc_tdctl_ch = 0; 325 sc->sc_tdctl_er = TDCTL_ER; 326 sc->sc_preinit = tlp_pnic_preinit; 327 328 /* 329 * These chips seem to have busted DMA engines; just put them 330 * in Store-and-Forward mode from the get-go. 331 */ 332 sc->sc_txthresh = TXTH_SF; 333 break; 334 335 case TULIP_CHIP_WB89C840F: 336 /* 337 * Run this chip in chained mode. 338 */ 339 sc->sc_tdctl_ch = TDCTL_CH; 340 sc->sc_tdctl_er = 0; 341 sc->sc_flags |= TULIPF_IC_FS; 342 break; 343 344 case TULIP_CHIP_DM9102: 345 case TULIP_CHIP_DM9102A: 346 /* 347 * Run these chips in chained mode. 348 */ 349 sc->sc_tdctl_ch = TDCTL_CH; 350 sc->sc_tdctl_er = 0; 351 sc->sc_preinit = tlp_dm9102_preinit; 352 353 /* 354 * These chips have a broken bus interface, so we 355 * can't use any optimized bus commands. For this 356 * reason, we tend to underrun pretty quickly, so 357 * just to Store-and-Forward mode from the get-go. 358 */ 359 sc->sc_txthresh = TXTH_DM9102_SF; 360 break; 361 362 case TULIP_CHIP_AX88140: 363 case TULIP_CHIP_AX88141: 364 /* 365 * Run these chips in ring mode. 366 */ 367 sc->sc_tdctl_ch = 0; 368 sc->sc_tdctl_er = TDCTL_ER; 369 sc->sc_preinit = tlp_asix_preinit; 370 break; 371 372 default: 373 /* 374 * Default to running in ring mode. 375 */ 376 sc->sc_tdctl_ch = 0; 377 sc->sc_tdctl_er = TDCTL_ER; 378 } 379 380 /* 381 * Set up the MII bit-bang operations. 382 */ 383 switch (sc->sc_chip) { 384 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 385 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 386 break; 387 388 default: 389 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 390 } 391 392 SIMPLEQ_INIT(&sc->sc_txfreeq); 393 SIMPLEQ_INIT(&sc->sc_txdirtyq); 394 395 /* 396 * Allocate the control data structures, and create and load the 397 * DMA map for it. 398 */ 399 if ((error = bus_dmamem_alloc(sc->sc_dmat, 400 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 401 1, &sc->sc_cdnseg, 0)) != 0) { 402 aprint_error_dev(self, "unable to allocate control data, error = %d\n", 403 error); 404 goto fail_0; 405 } 406 407 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 408 sizeof(struct tulip_control_data), (void **)&sc->sc_control_data, 409 BUS_DMA_COHERENT)) != 0) { 410 aprint_error_dev(self, "unable to map control data, error = %d\n", 411 error); 412 goto fail_1; 413 } 414 415 if ((error = bus_dmamap_create(sc->sc_dmat, 416 sizeof(struct tulip_control_data), 1, 417 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 418 sc->sc_cddmamap = NULL; 419 aprint_error_dev(self, "unable to create control data DMA map, " 420 "error = %d\n", error); 421 goto fail_2; 422 } 423 424 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 425 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 426 0)) != 0) { 427 aprint_error_dev(self, "unable to load control data DMA map, error = %d\n", 428 error); 429 goto fail_3; 430 } 431 432 /* 433 * Create the transmit buffer DMA maps. 434 * 435 * Note that on the Xircom clone, transmit buffers must be 436 * 4-byte aligned. We're almost guaranteed to have to copy 437 * the packet in that case, so we just limit ourselves to 438 * one segment. 439 * 440 * On the DM9102, the transmit logic can only handle one 441 * DMA segment. 442 */ 443 switch (sc->sc_chip) { 444 case TULIP_CHIP_X3201_3: 445 case TULIP_CHIP_DM9102: 446 case TULIP_CHIP_DM9102A: 447 case TULIP_CHIP_AX88140: 448 case TULIP_CHIP_AX88141: 449 sc->sc_ntxsegs = 1; 450 break; 451 452 default: 453 sc->sc_ntxsegs = TULIP_NTXSEGS; 454 } 455 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 456 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 457 sc->sc_ntxsegs, MCLBYTES, 0, 0, 458 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 459 sc->sc_txsoft[i].txs_dmamap = NULL; 460 aprint_error_dev(self, "unable to create tx DMA map %d, " 461 "error = %d\n", i, error); 462 goto fail_4; 463 } 464 } 465 466 /* 467 * Create the receive buffer DMA maps. 468 */ 469 for (i = 0; i < TULIP_NRXDESC; i++) { 470 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 471 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 472 sc->sc_rxsoft[i].rxs_dmamap = NULL; 473 aprint_error_dev(self, "unable to create rx DMA map %d, " 474 "error = %d\n", i, error); 475 goto fail_5; 476 } 477 sc->sc_rxsoft[i].rxs_mbuf = NULL; 478 } 479 480 /* 481 * From this point forward, the attachment cannot fail. A failure 482 * before this point releases all resources that may have been 483 * allocated. 484 */ 485 sc->sc_flags |= TULIPF_ATTACHED; 486 487 /* 488 * Reset the chip to a known state. 489 */ 490 tlp_reset(sc); 491 492 /* Announce ourselves. */ 493 aprint_normal_dev(self, "%s%sEthernet address %s\n", 494 sc->sc_name[0] != '\0' ? sc->sc_name : "", 495 sc->sc_name[0] != '\0' ? ", " : "", 496 ether_sprintf(enaddr)); 497 498 /* 499 * Check to see if we're the simulated Ethernet on Connectix 500 * Virtual PC. 501 */ 502 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) 503 sc->sc_flags |= TULIPF_VPC; 504 505 /* 506 * Initialize our media structures. This may probe the MII, if 507 * present. 508 */ 509 (*sc->sc_mediasw->tmsw_init)(sc); 510 511 strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 512 ifp->if_softc = sc; 513 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 514 sc->sc_if_flags = ifp->if_flags; 515 ifp->if_ioctl = tlp_ioctl; 516 ifp->if_start = tlp_start; 517 ifp->if_watchdog = tlp_watchdog; 518 ifp->if_init = tlp_init; 519 ifp->if_stop = tlp_stop; 520 IFQ_SET_READY(&ifp->if_snd); 521 522 /* 523 * We can support 802.1Q VLAN-sized frames. 524 */ 525 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 526 527 /* 528 * Attach the interface. 529 */ 530 if_attach(ifp); 531 ether_ifattach(ifp, enaddr); 532 ether_set_ifflags_cb(&sc->sc_ethercom, tlp_ifflags_cb); 533 #if NRND > 0 534 rnd_attach_source(&sc->sc_rnd_source, device_xname(self), 535 RND_TYPE_NET, 0); 536 #endif 537 538 if (pmf_device_register(self, NULL, NULL)) 539 pmf_class_network_register(self, ifp); 540 else 541 aprint_error_dev(self, "couldn't establish power handler\n"); 542 543 return 0; 544 545 /* 546 * Free any resources we've allocated during the failed attach 547 * attempt. Do this in reverse order and fall through. 548 */ 549 fail_5: 550 for (i = 0; i < TULIP_NRXDESC; i++) { 551 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 552 bus_dmamap_destroy(sc->sc_dmat, 553 sc->sc_rxsoft[i].rxs_dmamap); 554 } 555 fail_4: 556 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 557 if (sc->sc_txsoft[i].txs_dmamap != NULL) 558 bus_dmamap_destroy(sc->sc_dmat, 559 sc->sc_txsoft[i].txs_dmamap); 560 } 561 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 562 fail_3: 563 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 564 fail_2: 565 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 566 sizeof(struct tulip_control_data)); 567 fail_1: 568 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 569 fail_0: 570 return error; 571 } 572 573 /* 574 * tlp_activate: 575 * 576 * Handle device activation/deactivation requests. 577 */ 578 int 579 tlp_activate(device_t self, enum devact act) 580 { 581 struct tulip_softc *sc = device_private(self); 582 583 switch (act) { 584 case DVACT_DEACTIVATE: 585 if_deactivate(&sc->sc_ethercom.ec_if); 586 return 0; 587 default: 588 return EOPNOTSUPP; 589 } 590 } 591 592 /* 593 * tlp_detach: 594 * 595 * Detach a Tulip interface. 596 */ 597 int 598 tlp_detach(struct tulip_softc *sc) 599 { 600 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 601 struct tulip_rxsoft *rxs; 602 struct tulip_txsoft *txs; 603 device_t self = sc->sc_dev; 604 int i; 605 606 /* 607 * Succeed now if there isn't any work to do. 608 */ 609 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 610 return (0); 611 612 /* Unhook our tick handler. */ 613 if (sc->sc_tick) 614 callout_stop(&sc->sc_tick_callout); 615 616 if (sc->sc_flags & TULIPF_HAS_MII) { 617 /* Detach all PHYs */ 618 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 619 } 620 621 /* Delete all remaining media. */ 622 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 623 624 #if NRND > 0 625 rnd_detach_source(&sc->sc_rnd_source); 626 #endif 627 ether_ifdetach(ifp); 628 if_detach(ifp); 629 630 for (i = 0; i < TULIP_NRXDESC; i++) { 631 rxs = &sc->sc_rxsoft[i]; 632 if (rxs->rxs_mbuf != NULL) { 633 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 634 m_freem(rxs->rxs_mbuf); 635 rxs->rxs_mbuf = NULL; 636 } 637 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 638 } 639 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 640 txs = &sc->sc_txsoft[i]; 641 if (txs->txs_mbuf != NULL) { 642 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 643 m_freem(txs->txs_mbuf); 644 txs->txs_mbuf = NULL; 645 } 646 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 647 } 648 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 649 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 650 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 651 sizeof(struct tulip_control_data)); 652 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 653 654 pmf_device_deregister(self); 655 656 if (sc->sc_srom) 657 free(sc->sc_srom, M_DEVBUF); 658 659 return (0); 660 } 661 662 /* 663 * tlp_start: [ifnet interface function] 664 * 665 * Start packet transmission on the interface. 666 */ 667 static void 668 tlp_start(struct ifnet *ifp) 669 { 670 struct tulip_softc *sc = ifp->if_softc; 671 struct mbuf *m0, *m; 672 struct tulip_txsoft *txs, *last_txs = NULL; 673 bus_dmamap_t dmamap; 674 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 675 676 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 677 device_xname(sc->sc_dev), sc->sc_flags, ifp->if_flags)); 678 679 /* 680 * If we want a filter setup, it means no more descriptors were 681 * available for the setup routine. Let it get a chance to wedge 682 * itself into the ring. 683 */ 684 if (sc->sc_flags & TULIPF_WANT_SETUP) 685 ifp->if_flags |= IFF_OACTIVE; 686 687 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 688 return; 689 690 if (sc->sc_tick == tlp_2114x_nway_tick && 691 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 692 return; 693 694 /* 695 * Remember the previous number of free descriptors and 696 * the first descriptor we'll use. 697 */ 698 ofree = sc->sc_txfree; 699 firsttx = sc->sc_txnext; 700 701 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 702 device_xname(sc->sc_dev), ofree, firsttx)); 703 704 /* 705 * Loop through the send queue, setting up transmit descriptors 706 * until we drain the queue, or use up all available transmit 707 * descriptors. 708 */ 709 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 710 sc->sc_txfree != 0) { 711 /* 712 * Grab a packet off the queue. 713 */ 714 IFQ_POLL(&ifp->if_snd, m0); 715 if (m0 == NULL) 716 break; 717 m = NULL; 718 719 dmamap = txs->txs_dmamap; 720 721 /* 722 * Load the DMA map. If this fails, the packet either 723 * didn't fit in the alloted number of segments, or we were 724 * short on resources. In this case, we'll copy and try 725 * again. 726 * 727 * Note that if we're only allowed 1 Tx segment, we 728 * have an alignment restriction. Do this test before 729 * attempting to load the DMA map, because it's more 730 * likely we'll trip the alignment test than the 731 * more-than-one-segment test. 732 */ 733 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 734 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 735 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 736 MGETHDR(m, M_DONTWAIT, MT_DATA); 737 if (m == NULL) { 738 aprint_error_dev(sc->sc_dev, "unable to allocate Tx mbuf\n"); 739 break; 740 } 741 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 742 if (m0->m_pkthdr.len > MHLEN) { 743 MCLGET(m, M_DONTWAIT); 744 if ((m->m_flags & M_EXT) == 0) { 745 aprint_error_dev(sc->sc_dev, 746 "unable to allocate Tx cluster\n"); 747 m_freem(m); 748 break; 749 } 750 } 751 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *)); 752 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 753 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 754 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 755 if (error) { 756 aprint_error_dev(sc->sc_dev, 757 "unable to load Tx buffer, error = %d", 758 error); 759 break; 760 } 761 } 762 763 /* 764 * Ensure we have enough descriptors free to describe 765 * the packet. 766 */ 767 if (dmamap->dm_nsegs > sc->sc_txfree) { 768 /* 769 * Not enough free descriptors to transmit this 770 * packet. We haven't committed to anything yet, 771 * so just unload the DMA map, put the packet 772 * back on the queue, and punt. Notify the upper 773 * layer that there are no more slots left. 774 * 775 * XXX We could allocate an mbuf and copy, but 776 * XXX it is worth it? 777 */ 778 ifp->if_flags |= IFF_OACTIVE; 779 bus_dmamap_unload(sc->sc_dmat, dmamap); 780 if (m != NULL) 781 m_freem(m); 782 break; 783 } 784 785 IFQ_DEQUEUE(&ifp->if_snd, m0); 786 if (m != NULL) { 787 m_freem(m0); 788 m0 = m; 789 } 790 791 /* 792 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 793 */ 794 795 /* Sync the DMA map. */ 796 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 797 BUS_DMASYNC_PREWRITE); 798 799 /* 800 * Initialize the transmit descriptors. 801 */ 802 for (nexttx = sc->sc_txnext, seg = 0; 803 seg < dmamap->dm_nsegs; 804 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 805 /* 806 * If this is the first descriptor we're 807 * enqueueing, don't set the OWN bit just 808 * yet. That could cause a race condition. 809 * We'll do it below. 810 */ 811 sc->sc_txdescs[nexttx].td_status = 812 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 813 sc->sc_txdescs[nexttx].td_bufaddr1 = 814 htole32(dmamap->dm_segs[seg].ds_addr); 815 sc->sc_txdescs[nexttx].td_ctl = 816 htole32((dmamap->dm_segs[seg].ds_len << 817 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 818 (nexttx == (TULIP_NTXDESC - 1) ? 819 sc->sc_tdctl_er : 0)); 820 lasttx = nexttx; 821 } 822 823 KASSERT(lasttx != -1); 824 825 /* Set `first segment' and `last segment' appropriately. */ 826 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 827 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 828 829 #ifdef TLP_DEBUG 830 if (ifp->if_flags & IFF_DEBUG) { 831 printf(" txsoft %p transmit chain:\n", txs); 832 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 833 printf(" descriptor %d:\n", seg); 834 printf(" td_status: 0x%08x\n", 835 le32toh(sc->sc_txdescs[seg].td_status)); 836 printf(" td_ctl: 0x%08x\n", 837 le32toh(sc->sc_txdescs[seg].td_ctl)); 838 printf(" td_bufaddr1: 0x%08x\n", 839 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 840 printf(" td_bufaddr2: 0x%08x\n", 841 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 842 if (seg == lasttx) 843 break; 844 } 845 } 846 #endif 847 848 /* Sync the descriptors we're using. */ 849 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 850 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 851 852 /* 853 * Store a pointer to the packet so we can free it later, 854 * and remember what txdirty will be once the packet is 855 * done. 856 */ 857 txs->txs_mbuf = m0; 858 txs->txs_firstdesc = sc->sc_txnext; 859 txs->txs_lastdesc = lasttx; 860 txs->txs_ndescs = dmamap->dm_nsegs; 861 862 /* Advance the tx pointer. */ 863 sc->sc_txfree -= dmamap->dm_nsegs; 864 sc->sc_txnext = nexttx; 865 866 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 867 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 868 869 last_txs = txs; 870 871 #if NBPFILTER > 0 872 /* 873 * Pass the packet to any BPF listeners. 874 */ 875 if (ifp->if_bpf) 876 bpf_mtap(ifp->if_bpf, m0); 877 #endif /* NBPFILTER > 0 */ 878 } 879 880 if (txs == NULL || sc->sc_txfree == 0) { 881 /* No more slots left; notify upper layer. */ 882 ifp->if_flags |= IFF_OACTIVE; 883 } 884 885 if (sc->sc_txfree != ofree) { 886 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 887 device_xname(sc->sc_dev), lasttx, firsttx)); 888 /* 889 * Cause a transmit interrupt to happen on the 890 * last packet we enqueued. 891 */ 892 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 893 TULIP_CDTXSYNC(sc, lasttx, 1, 894 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 895 896 /* 897 * Some clone chips want IC on the *first* segment in 898 * the packet. Appease them. 899 */ 900 KASSERT(last_txs != NULL); 901 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 902 last_txs->txs_firstdesc != lasttx) { 903 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 904 htole32(TDCTL_Tx_IC); 905 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 906 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 907 } 908 909 /* 910 * The entire packet chain is set up. Give the 911 * first descriptor to the chip now. 912 */ 913 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 914 TULIP_CDTXSYNC(sc, firsttx, 1, 915 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 916 917 /* Wake up the transmitter. */ 918 /* XXX USE AUTOPOLLING? */ 919 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 920 921 /* Set a watchdog timer in case the chip flakes out. */ 922 ifp->if_timer = 5; 923 } 924 } 925 926 /* 927 * tlp_watchdog: [ifnet interface function] 928 * 929 * Watchdog timer handler. 930 */ 931 static void 932 tlp_watchdog(struct ifnet *ifp) 933 { 934 struct tulip_softc *sc = ifp->if_softc; 935 int doing_setup, doing_transmit; 936 937 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 938 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 939 940 if (doing_setup && doing_transmit) { 941 printf("%s: filter setup and transmit timeout\n", device_xname(sc->sc_dev)); 942 ifp->if_oerrors++; 943 } else if (doing_transmit) { 944 printf("%s: transmit timeout\n", device_xname(sc->sc_dev)); 945 ifp->if_oerrors++; 946 } else if (doing_setup) 947 printf("%s: filter setup timeout\n", device_xname(sc->sc_dev)); 948 else 949 printf("%s: spurious watchdog timeout\n", device_xname(sc->sc_dev)); 950 951 (void) tlp_init(ifp); 952 953 /* Try to get more packets going. */ 954 tlp_start(ifp); 955 } 956 957 /* If the interface is up and running, only modify the receive 958 * filter when setting promiscuous or debug mode. Otherwise fall 959 * through to ether_ioctl, which will reset the chip. 960 */ 961 static int 962 tlp_ifflags_cb(struct ethercom *ec) 963 { 964 struct ifnet *ifp = &ec->ec_if; 965 struct tulip_softc *sc = ifp->if_softc; 966 int change = ifp->if_flags ^ sc->sc_if_flags; 967 968 if ((change & ~(IFF_CANTCHANGE|IFF_DEBUG)) != 0) 969 return ENETRESET; 970 if ((change & IFF_PROMISC) != 0) 971 (*sc->sc_filter_setup)(sc); 972 return 0; 973 } 974 975 /* 976 * tlp_ioctl: [ifnet interface function] 977 * 978 * Handle control requests from the operator. 979 */ 980 static int 981 tlp_ioctl(struct ifnet *ifp, u_long cmd, void *data) 982 { 983 struct tulip_softc *sc = ifp->if_softc; 984 struct ifreq *ifr = (struct ifreq *)data; 985 int s, error; 986 987 s = splnet(); 988 989 switch (cmd) { 990 case SIOCSIFMEDIA: 991 case SIOCGIFMEDIA: 992 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 993 break; 994 default: 995 error = ether_ioctl(ifp, cmd, data); 996 if (error == ENETRESET) { 997 if (ifp->if_flags & IFF_RUNNING) { 998 /* 999 * Multicast list has changed. Set the 1000 * hardware filter accordingly. 1001 */ 1002 (*sc->sc_filter_setup)(sc); 1003 } 1004 error = 0; 1005 } 1006 break; 1007 } 1008 1009 /* Try to get more packets going. */ 1010 if (TULIP_IS_ENABLED(sc)) 1011 tlp_start(ifp); 1012 1013 sc->sc_if_flags = ifp->if_flags; 1014 splx(s); 1015 return (error); 1016 } 1017 1018 /* 1019 * tlp_intr: 1020 * 1021 * Interrupt service routine. 1022 */ 1023 int 1024 tlp_intr(void *arg) 1025 { 1026 struct tulip_softc *sc = arg; 1027 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1028 uint32_t status, rxstatus, txstatus; 1029 int handled = 0, txthresh; 1030 1031 DPRINTF(sc, ("%s: tlp_intr\n", device_xname(sc->sc_dev))); 1032 1033 #ifdef DEBUG 1034 if (TULIP_IS_ENABLED(sc) == 0) 1035 panic("%s: tlp_intr: not enabled", device_xname(sc->sc_dev)); 1036 #endif 1037 1038 /* 1039 * If the interface isn't running, the interrupt couldn't 1040 * possibly have come from us. 1041 */ 1042 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1043 !device_is_active(sc->sc_dev)) 1044 return (0); 1045 1046 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1047 switch (sc->sc_chip) { 1048 case TULIP_CHIP_DM9102: 1049 case TULIP_CHIP_DM9102A: 1050 TULIP_WRITE(sc, CSR_INTEN, 0); 1051 break; 1052 1053 default: 1054 /* Nothing. */ 1055 break; 1056 } 1057 1058 for (;;) { 1059 status = TULIP_READ(sc, CSR_STATUS); 1060 if (status) 1061 TULIP_WRITE(sc, CSR_STATUS, status); 1062 1063 if ((status & sc->sc_inten) == 0) 1064 break; 1065 1066 handled = 1; 1067 1068 rxstatus = status & sc->sc_rxint_mask; 1069 txstatus = status & sc->sc_txint_mask; 1070 1071 if (rxstatus) { 1072 /* Grab new any new packets. */ 1073 tlp_rxintr(sc); 1074 1075 if (rxstatus & STATUS_RWT) 1076 printf("%s: receive watchdog timeout\n", 1077 device_xname(sc->sc_dev)); 1078 1079 if (rxstatus & STATUS_RU) { 1080 printf("%s: receive ring overrun\n", 1081 device_xname(sc->sc_dev)); 1082 /* Get the receive process going again. */ 1083 if (sc->sc_tdctl_er != TDCTL_ER) { 1084 tlp_idle(sc, OPMODE_SR); 1085 TULIP_WRITE(sc, CSR_RXLIST, 1086 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1087 TULIP_WRITE(sc, CSR_OPMODE, 1088 sc->sc_opmode); 1089 } 1090 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1091 break; 1092 } 1093 } 1094 1095 if (txstatus) { 1096 /* Sweep up transmit descriptors. */ 1097 tlp_txintr(sc); 1098 1099 if (txstatus & STATUS_TJT) 1100 printf("%s: transmit jabber timeout\n", 1101 device_xname(sc->sc_dev)); 1102 1103 if (txstatus & STATUS_UNF) { 1104 /* 1105 * Increase our transmit threshold if 1106 * another is available. 1107 */ 1108 txthresh = sc->sc_txthresh + 1; 1109 if (sc->sc_txth[txthresh].txth_name != NULL) { 1110 /* Idle the transmit process. */ 1111 tlp_idle(sc, OPMODE_ST); 1112 1113 sc->sc_txthresh = txthresh; 1114 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1115 sc->sc_opmode |= 1116 sc->sc_txth[txthresh].txth_opmode; 1117 printf("%s: transmit underrun; new " 1118 "threshold: %s\n", 1119 device_xname(sc->sc_dev), 1120 sc->sc_txth[txthresh].txth_name); 1121 1122 /* 1123 * Set the new threshold and restart 1124 * the transmit process. 1125 */ 1126 TULIP_WRITE(sc, CSR_OPMODE, 1127 sc->sc_opmode); 1128 } 1129 /* 1130 * XXX Log every Nth underrun from 1131 * XXX now on? 1132 */ 1133 } 1134 } 1135 1136 if (status & (STATUS_TPS|STATUS_RPS)) { 1137 if (status & STATUS_TPS) 1138 printf("%s: transmit process stopped\n", 1139 device_xname(sc->sc_dev)); 1140 if (status & STATUS_RPS) 1141 printf("%s: receive process stopped\n", 1142 device_xname(sc->sc_dev)); 1143 (void) tlp_init(ifp); 1144 break; 1145 } 1146 1147 if (status & STATUS_SE) { 1148 const char *str; 1149 switch (status & STATUS_EB) { 1150 case STATUS_EB_PARITY: 1151 str = "parity error"; 1152 break; 1153 1154 case STATUS_EB_MABT: 1155 str = "master abort"; 1156 break; 1157 1158 case STATUS_EB_TABT: 1159 str = "target abort"; 1160 break; 1161 1162 default: 1163 str = "unknown error"; 1164 break; 1165 } 1166 aprint_error_dev(sc->sc_dev, "fatal system error: %s\n", 1167 str); 1168 (void) tlp_init(ifp); 1169 break; 1170 } 1171 1172 /* 1173 * Not handled: 1174 * 1175 * Transmit buffer unavailable -- normal 1176 * condition, nothing to do, really. 1177 * 1178 * General purpose timer experied -- we don't 1179 * use the general purpose timer. 1180 * 1181 * Early receive interrupt -- not available on 1182 * all chips, we just use RI. We also only 1183 * use single-segment receive DMA, so this 1184 * is mostly useless. 1185 */ 1186 } 1187 1188 /* Bring interrupts back up on the DM9102. */ 1189 switch (sc->sc_chip) { 1190 case TULIP_CHIP_DM9102: 1191 case TULIP_CHIP_DM9102A: 1192 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1193 break; 1194 1195 default: 1196 /* Nothing. */ 1197 break; 1198 } 1199 1200 /* Try to get more packets going. */ 1201 tlp_start(ifp); 1202 1203 #if NRND > 0 1204 if (handled) 1205 rnd_add_uint32(&sc->sc_rnd_source, status); 1206 #endif 1207 return (handled); 1208 } 1209 1210 /* 1211 * tlp_rxintr: 1212 * 1213 * Helper; handle receive interrupts. 1214 */ 1215 static void 1216 tlp_rxintr(struct tulip_softc *sc) 1217 { 1218 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1219 struct ether_header *eh; 1220 struct tulip_rxsoft *rxs; 1221 struct mbuf *m; 1222 uint32_t rxstat, errors; 1223 int i, len; 1224 1225 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1226 rxs = &sc->sc_rxsoft[i]; 1227 1228 TULIP_CDRXSYNC(sc, i, 1229 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1230 1231 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1232 1233 if (rxstat & TDSTAT_OWN) { 1234 /* 1235 * We have processed all of the receive buffers. 1236 */ 1237 break; 1238 } 1239 1240 /* 1241 * Make sure the packet fit in one buffer. This should 1242 * always be the case. But the Lite-On PNIC, rev 33 1243 * has an awful receive engine bug, which may require 1244 * a very icky work-around. 1245 */ 1246 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1247 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1248 printf("%s: incoming packet spilled, resetting\n", 1249 device_xname(sc->sc_dev)); 1250 (void) tlp_init(ifp); 1251 return; 1252 } 1253 1254 /* 1255 * If any collisions were seen on the wire, count one. 1256 */ 1257 if (rxstat & TDSTAT_Rx_CS) 1258 ifp->if_collisions++; 1259 1260 /* 1261 * If an error occurred, update stats, clear the status 1262 * word, and leave the packet buffer in place. It will 1263 * simply be reused the next time the ring comes around. 1264 */ 1265 errors = TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_TL | 1266 TDSTAT_Rx_CS | TDSTAT_Rx_RE | TDSTAT_Rx_DB | TDSTAT_Rx_CE; 1267 /* 1268 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1269 * error. 1270 */ 1271 if ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) != 0) 1272 errors &= ~TDSTAT_Rx_TL; 1273 /* 1274 * If chip doesn't have MII, ignore the MII error bit. 1275 */ 1276 if ((sc->sc_flags & TULIPF_HAS_MII) == 0) 1277 errors &= ~TDSTAT_Rx_RE; 1278 1279 if ((rxstat & TDSTAT_ES) != 0 && 1280 (rxstat & errors) != 0) { 1281 rxstat &= errors; 1282 #define PRINTERR(bit, str) \ 1283 if (rxstat & (bit)) \ 1284 aprint_error_dev(sc->sc_dev, "receive error: %s\n", \ 1285 str) 1286 ifp->if_ierrors++; 1287 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1288 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1289 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1290 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1291 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1292 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1293 #undef PRINTERR 1294 TULIP_INIT_RXDESC(sc, i); 1295 continue; 1296 } 1297 1298 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1299 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1300 1301 /* 1302 * No errors; receive the packet. Note the Tulip 1303 * includes the CRC with every packet. 1304 */ 1305 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1306 1307 #ifdef __NO_STRICT_ALIGNMENT 1308 /* 1309 * Allocate a new mbuf cluster. If that fails, we are 1310 * out of memory, and must drop the packet and recycle 1311 * the buffer that's already attached to this descriptor. 1312 */ 1313 m = rxs->rxs_mbuf; 1314 if (tlp_add_rxbuf(sc, i) != 0) { 1315 ifp->if_ierrors++; 1316 TULIP_INIT_RXDESC(sc, i); 1317 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1318 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1319 continue; 1320 } 1321 #else 1322 /* 1323 * The Tulip's receive buffers must be 4-byte aligned. 1324 * But this means that the data after the Ethernet header 1325 * is misaligned. We must allocate a new buffer and 1326 * copy the data, shifted forward 2 bytes. 1327 */ 1328 MGETHDR(m, M_DONTWAIT, MT_DATA); 1329 if (m == NULL) { 1330 dropit: 1331 ifp->if_ierrors++; 1332 TULIP_INIT_RXDESC(sc, i); 1333 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1334 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1335 continue; 1336 } 1337 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1338 if (len > (MHLEN - 2)) { 1339 MCLGET(m, M_DONTWAIT); 1340 if ((m->m_flags & M_EXT) == 0) { 1341 m_freem(m); 1342 goto dropit; 1343 } 1344 } 1345 m->m_data += 2; 1346 1347 /* 1348 * Note that we use clusters for incoming frames, so the 1349 * buffer is virtually contiguous. 1350 */ 1351 memcpy(mtod(m, void *), mtod(rxs->rxs_mbuf, void *), len); 1352 1353 /* Allow the receive descriptor to continue using its mbuf. */ 1354 TULIP_INIT_RXDESC(sc, i); 1355 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1356 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1357 #endif /* __NO_STRICT_ALIGNMENT */ 1358 1359 ifp->if_ipackets++; 1360 eh = mtod(m, struct ether_header *); 1361 m->m_pkthdr.rcvif = ifp; 1362 m->m_pkthdr.len = m->m_len = len; 1363 1364 /* 1365 * XXX Work-around for a weird problem with the emulated 1366 * 21041 on Connectix Virtual PC: 1367 * 1368 * When we receive a full-size TCP segment, we seem to get 1369 * a packet there the Rx status says 1522 bytes, yet we do 1370 * not get a frame-too-long error from the chip. The extra 1371 * bytes seem to always be zeros. Perhaps Virtual PC is 1372 * inserting 4 bytes of zeros after every packet. In any 1373 * case, let's try and detect this condition and truncate 1374 * the length so that it will pass up the stack. 1375 */ 1376 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1377 uint16_t etype = ntohs(eh->ether_type); 1378 1379 if (len > ETHER_MAX_FRAME(ifp, etype, 0)) 1380 m->m_pkthdr.len = m->m_len = len = 1381 ETHER_MAX_FRAME(ifp, etype, 0); 1382 } 1383 1384 #if NBPFILTER > 0 1385 /* 1386 * Pass this up to any BPF listeners, but only 1387 * pass it up the stack if it's for us. 1388 */ 1389 if (ifp->if_bpf) 1390 bpf_mtap(ifp->if_bpf, m); 1391 #endif /* NBPFILTER > 0 */ 1392 1393 /* 1394 * We sometimes have to run the 21140 in Hash-Only 1395 * mode. If we're in that mode, and not in promiscuous 1396 * mode, and we have a unicast packet that isn't for 1397 * us, then drop it. 1398 */ 1399 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1400 (ifp->if_flags & IFF_PROMISC) == 0 && 1401 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1402 memcmp(CLLADDR(ifp->if_sadl), eh->ether_dhost, 1403 ETHER_ADDR_LEN) != 0) { 1404 m_freem(m); 1405 continue; 1406 } 1407 1408 /* Pass it on. */ 1409 (*ifp->if_input)(ifp, m); 1410 } 1411 1412 /* Update the receive pointer. */ 1413 sc->sc_rxptr = i; 1414 } 1415 1416 /* 1417 * tlp_txintr: 1418 * 1419 * Helper; handle transmit interrupts. 1420 */ 1421 static void 1422 tlp_txintr(struct tulip_softc *sc) 1423 { 1424 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1425 struct tulip_txsoft *txs; 1426 uint32_t txstat; 1427 1428 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1429 device_xname(sc->sc_dev), sc->sc_flags)); 1430 1431 ifp->if_flags &= ~IFF_OACTIVE; 1432 1433 /* 1434 * Go through our Tx list and free mbufs for those 1435 * frames that have been transmitted. 1436 */ 1437 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1438 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1439 txs->txs_ndescs, 1440 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1441 1442 #ifdef TLP_DEBUG 1443 if (ifp->if_flags & IFF_DEBUG) { 1444 int i; 1445 printf(" txsoft %p transmit chain:\n", txs); 1446 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1447 printf(" descriptor %d:\n", i); 1448 printf(" td_status: 0x%08x\n", 1449 le32toh(sc->sc_txdescs[i].td_status)); 1450 printf(" td_ctl: 0x%08x\n", 1451 le32toh(sc->sc_txdescs[i].td_ctl)); 1452 printf(" td_bufaddr1: 0x%08x\n", 1453 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1454 printf(" td_bufaddr2: 0x%08x\n", 1455 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1456 if (i == txs->txs_lastdesc) 1457 break; 1458 } 1459 } 1460 #endif 1461 1462 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1463 if (txstat & TDSTAT_OWN) 1464 break; 1465 1466 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1467 1468 sc->sc_txfree += txs->txs_ndescs; 1469 1470 if (txs->txs_mbuf == NULL) { 1471 /* 1472 * If we didn't have an mbuf, it was the setup 1473 * packet. 1474 */ 1475 #ifdef DIAGNOSTIC 1476 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1477 panic("tlp_txintr: null mbuf, not doing setup"); 1478 #endif 1479 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1480 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1481 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1482 continue; 1483 } 1484 1485 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1486 0, txs->txs_dmamap->dm_mapsize, 1487 BUS_DMASYNC_POSTWRITE); 1488 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1489 m_freem(txs->txs_mbuf); 1490 txs->txs_mbuf = NULL; 1491 1492 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1493 1494 /* 1495 * Check for errors and collisions. 1496 */ 1497 #ifdef TLP_STATS 1498 if (txstat & TDSTAT_Tx_UF) 1499 sc->sc_stats.ts_tx_uf++; 1500 if (txstat & TDSTAT_Tx_TO) 1501 sc->sc_stats.ts_tx_to++; 1502 if (txstat & TDSTAT_Tx_EC) 1503 sc->sc_stats.ts_tx_ec++; 1504 if (txstat & TDSTAT_Tx_LC) 1505 sc->sc_stats.ts_tx_lc++; 1506 #endif 1507 1508 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1509 ifp->if_oerrors++; 1510 1511 if (txstat & TDSTAT_Tx_EC) 1512 ifp->if_collisions += 16; 1513 else 1514 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1515 if (txstat & TDSTAT_Tx_LC) 1516 ifp->if_collisions++; 1517 1518 ifp->if_opackets++; 1519 } 1520 1521 /* 1522 * If there are no more pending transmissions, cancel the watchdog 1523 * timer. 1524 */ 1525 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1526 ifp->if_timer = 0; 1527 1528 /* 1529 * If we have a receive filter setup pending, do it now. 1530 */ 1531 if (sc->sc_flags & TULIPF_WANT_SETUP) 1532 (*sc->sc_filter_setup)(sc); 1533 } 1534 1535 #ifdef TLP_STATS 1536 void 1537 tlp_print_stats(struct tulip_softc *sc) 1538 { 1539 1540 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1541 device_xname(sc->sc_dev), 1542 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1543 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1544 } 1545 #endif 1546 1547 /* 1548 * tlp_reset: 1549 * 1550 * Perform a soft reset on the Tulip. 1551 */ 1552 void 1553 tlp_reset(struct tulip_softc *sc) 1554 { 1555 int i; 1556 1557 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1558 1559 /* 1560 * Xircom, ASIX and Conexant clones don't bring themselves 1561 * out of reset automatically. 1562 * Instead, we have to wait at least 50 PCI cycles, and then 1563 * clear SWR. 1564 */ 1565 switch (sc->sc_chip) { 1566 case TULIP_CHIP_X3201_3: 1567 case TULIP_CHIP_AX88140: 1568 case TULIP_CHIP_AX88141: 1569 case TULIP_CHIP_RS7112: 1570 delay(10); 1571 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1572 break; 1573 default: 1574 break; 1575 } 1576 1577 for (i = 0; i < 1000; i++) { 1578 /* 1579 * Wait at least 50 PCI cycles for the reset to 1580 * complete before peeking at the Tulip again. 1581 * 10 uSec is a bit longer than 50 PCI cycles 1582 * (at 33MHz), but it doesn't hurt have the extra 1583 * wait. 1584 */ 1585 delay(10); 1586 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1587 break; 1588 } 1589 1590 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1591 aprint_error_dev(sc->sc_dev, "reset failed to complete\n"); 1592 1593 delay(1000); 1594 1595 /* 1596 * If the board has any GPIO reset sequences to issue, do them now. 1597 */ 1598 if (sc->sc_reset != NULL) 1599 (*sc->sc_reset)(sc); 1600 } 1601 1602 /* 1603 * tlp_init: [ ifnet interface function ] 1604 * 1605 * Initialize the interface. Must be called at splnet(). 1606 */ 1607 static int 1608 tlp_init(struct ifnet *ifp) 1609 { 1610 struct tulip_softc *sc = ifp->if_softc; 1611 struct tulip_txsoft *txs; 1612 struct tulip_rxsoft *rxs; 1613 int i, error = 0; 1614 1615 if ((error = tlp_enable(sc)) != 0) 1616 goto out; 1617 1618 /* 1619 * Cancel any pending I/O. 1620 */ 1621 tlp_stop(ifp, 0); 1622 1623 /* 1624 * Initialize `opmode' to 0, and call the pre-init routine, if 1625 * any. This is required because the 2114x and some of the 1626 * clones require that the media-related bits in `opmode' be 1627 * set before performing a soft-reset in order to get internal 1628 * chip pathways are correct. Yay! 1629 */ 1630 sc->sc_opmode = 0; 1631 if (sc->sc_preinit != NULL) 1632 (*sc->sc_preinit)(sc); 1633 1634 /* 1635 * Reset the Tulip to a known state. 1636 */ 1637 tlp_reset(sc); 1638 1639 /* 1640 * Initialize the BUSMODE register. 1641 */ 1642 sc->sc_busmode = BUSMODE_BAR; 1643 switch (sc->sc_chip) { 1644 case TULIP_CHIP_21140: 1645 case TULIP_CHIP_21140A: 1646 case TULIP_CHIP_21142: 1647 case TULIP_CHIP_21143: 1648 case TULIP_CHIP_82C115: 1649 case TULIP_CHIP_MX98725: 1650 /* 1651 * If we're allowed to do so, use Memory Read Line 1652 * and Memory Read Multiple. 1653 * 1654 * XXX Should we use Memory Write and Invalidate? 1655 */ 1656 if (sc->sc_flags & TULIPF_MRL) 1657 sc->sc_busmode |= BUSMODE_RLE; 1658 if (sc->sc_flags & TULIPF_MRM) 1659 sc->sc_busmode |= BUSMODE_RME; 1660 #if 0 1661 if (sc->sc_flags & TULIPF_MWI) 1662 sc->sc_busmode |= BUSMODE_WLE; 1663 #endif 1664 break; 1665 1666 case TULIP_CHIP_82C168: 1667 case TULIP_CHIP_82C169: 1668 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1669 if (sc->sc_maxburst == 0) 1670 sc->sc_maxburst = 16; 1671 break; 1672 1673 case TULIP_CHIP_AX88140: 1674 case TULIP_CHIP_AX88141: 1675 if (sc->sc_maxburst == 0) 1676 sc->sc_maxburst = 16; 1677 break; 1678 1679 default: 1680 /* Nothing. */ 1681 break; 1682 } 1683 switch (sc->sc_cacheline) { 1684 default: 1685 /* 1686 * Note: We must *always* set these bits; a cache 1687 * alignment of 0 is RESERVED. 1688 */ 1689 case 8: 1690 sc->sc_busmode |= BUSMODE_CAL_8LW; 1691 break; 1692 case 16: 1693 sc->sc_busmode |= BUSMODE_CAL_16LW; 1694 break; 1695 case 32: 1696 sc->sc_busmode |= BUSMODE_CAL_32LW; 1697 break; 1698 } 1699 switch (sc->sc_maxburst) { 1700 case 1: 1701 sc->sc_busmode |= BUSMODE_PBL_1LW; 1702 break; 1703 case 2: 1704 sc->sc_busmode |= BUSMODE_PBL_2LW; 1705 break; 1706 case 4: 1707 sc->sc_busmode |= BUSMODE_PBL_4LW; 1708 break; 1709 case 8: 1710 sc->sc_busmode |= BUSMODE_PBL_8LW; 1711 break; 1712 case 16: 1713 sc->sc_busmode |= BUSMODE_PBL_16LW; 1714 break; 1715 case 32: 1716 sc->sc_busmode |= BUSMODE_PBL_32LW; 1717 break; 1718 default: 1719 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1720 break; 1721 } 1722 #if BYTE_ORDER == BIG_ENDIAN 1723 /* 1724 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1725 * support them, and even on ones that do, it doesn't 1726 * always work. So we always access descriptors with 1727 * little endian via htole32/le32toh. 1728 */ 1729 #endif 1730 /* 1731 * Big-endian bus requires BUSMODE_BLE anyway. 1732 * Also, BUSMODE_DBO is needed because we assume 1733 * descriptors are little endian. 1734 */ 1735 if (sc->sc_flags & TULIPF_BLE) 1736 sc->sc_busmode |= BUSMODE_BLE; 1737 if (sc->sc_flags & TULIPF_DBO) 1738 sc->sc_busmode |= BUSMODE_DBO; 1739 1740 /* 1741 * Some chips have a broken bus interface. 1742 */ 1743 switch (sc->sc_chip) { 1744 case TULIP_CHIP_DM9102: 1745 case TULIP_CHIP_DM9102A: 1746 sc->sc_busmode = 0; 1747 break; 1748 1749 default: 1750 /* Nothing. */ 1751 break; 1752 } 1753 1754 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1755 1756 /* 1757 * Initialize the OPMODE register. We don't write it until 1758 * we're ready to begin the transmit and receive processes. 1759 * 1760 * Media-related OPMODE bits are set in the media callbacks 1761 * for each specific chip/board. 1762 */ 1763 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1764 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1765 1766 /* 1767 * Magical mystery initialization on the Macronix chips. 1768 * The MX98713 uses its own magic value, the rest share 1769 * a common one. 1770 */ 1771 switch (sc->sc_chip) { 1772 case TULIP_CHIP_MX98713: 1773 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1774 break; 1775 1776 case TULIP_CHIP_MX98713A: 1777 case TULIP_CHIP_MX98715: 1778 case TULIP_CHIP_MX98715A: 1779 case TULIP_CHIP_MX98715AEC_X: 1780 case TULIP_CHIP_MX98725: 1781 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1782 break; 1783 1784 default: 1785 /* Nothing. */ 1786 break; 1787 } 1788 1789 /* 1790 * Initialize the transmit descriptor ring. 1791 */ 1792 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1793 for (i = 0; i < TULIP_NTXDESC; i++) { 1794 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1795 sc->sc_txdescs[i].td_bufaddr2 = 1796 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1797 } 1798 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1799 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1800 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1801 sc->sc_txfree = TULIP_NTXDESC; 1802 sc->sc_txnext = 0; 1803 1804 /* 1805 * Initialize the transmit job descriptors. 1806 */ 1807 SIMPLEQ_INIT(&sc->sc_txfreeq); 1808 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1809 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1810 txs = &sc->sc_txsoft[i]; 1811 txs->txs_mbuf = NULL; 1812 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1813 } 1814 1815 /* 1816 * Initialize the receive descriptor and receive job 1817 * descriptor rings. 1818 */ 1819 for (i = 0; i < TULIP_NRXDESC; i++) { 1820 rxs = &sc->sc_rxsoft[i]; 1821 if (rxs->rxs_mbuf == NULL) { 1822 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1823 aprint_error_dev(sc->sc_dev, "unable to allocate or map rx " 1824 "buffer %d, error = %d\n", 1825 i, error); 1826 /* 1827 * XXX Should attempt to run with fewer receive 1828 * XXX buffers instead of just failing. 1829 */ 1830 tlp_rxdrain(sc); 1831 goto out; 1832 } 1833 } else 1834 TULIP_INIT_RXDESC(sc, i); 1835 } 1836 sc->sc_rxptr = 0; 1837 1838 /* 1839 * Initialize the interrupt mask and enable interrupts. 1840 */ 1841 /* normal interrupts */ 1842 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1843 1844 /* abnormal interrupts */ 1845 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1846 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1847 1848 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1849 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1850 1851 switch (sc->sc_chip) { 1852 case TULIP_CHIP_WB89C840F: 1853 /* 1854 * Clear bits that we don't want that happen to 1855 * overlap or don't exist. 1856 */ 1857 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1858 break; 1859 1860 default: 1861 /* Nothing. */ 1862 break; 1863 } 1864 1865 sc->sc_rxint_mask &= sc->sc_inten; 1866 sc->sc_txint_mask &= sc->sc_inten; 1867 1868 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1869 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1870 1871 /* 1872 * Give the transmit and receive rings to the Tulip. 1873 */ 1874 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1875 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1876 1877 /* 1878 * On chips that do this differently, set the station address. 1879 */ 1880 switch (sc->sc_chip) { 1881 case TULIP_CHIP_WB89C840F: 1882 { 1883 /* XXX Do this with stream writes? */ 1884 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1885 1886 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1887 bus_space_write_1(sc->sc_st, sc->sc_sh, 1888 cpa + i, CLLADDR(ifp->if_sadl)[i]); 1889 } 1890 break; 1891 } 1892 1893 case TULIP_CHIP_AL981: 1894 case TULIP_CHIP_AN983: 1895 case TULIP_CHIP_AN985: 1896 { 1897 uint32_t reg; 1898 const uint8_t *enaddr = CLLADDR(ifp->if_sadl); 1899 1900 reg = enaddr[0] | 1901 (enaddr[1] << 8) | 1902 (enaddr[2] << 16) | 1903 (enaddr[3] << 24); 1904 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1905 1906 reg = enaddr[4] | 1907 (enaddr[5] << 8); 1908 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1909 break; 1910 } 1911 1912 case TULIP_CHIP_AX88140: 1913 case TULIP_CHIP_AX88141: 1914 { 1915 uint32_t reg; 1916 const uint8_t *enaddr = CLLADDR(ifp->if_sadl); 1917 1918 reg = enaddr[0] | 1919 (enaddr[1] << 8) | 1920 (enaddr[2] << 16) | 1921 (enaddr[3] << 24); 1922 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); 1923 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1924 1925 reg = enaddr[4] | (enaddr[5] << 8); 1926 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); 1927 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1928 break; 1929 } 1930 1931 default: 1932 /* Nothing. */ 1933 break; 1934 } 1935 1936 /* 1937 * Set the receive filter. This will start the transmit and 1938 * receive processes. 1939 */ 1940 (*sc->sc_filter_setup)(sc); 1941 1942 /* 1943 * Set the current media. 1944 */ 1945 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1946 1947 /* 1948 * Start the receive process. 1949 */ 1950 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1951 1952 if (sc->sc_tick != NULL) { 1953 /* Start the one second clock. */ 1954 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1955 } 1956 1957 /* 1958 * Note that the interface is now running. 1959 */ 1960 ifp->if_flags |= IFF_RUNNING; 1961 ifp->if_flags &= ~IFF_OACTIVE; 1962 sc->sc_if_flags = ifp->if_flags; 1963 1964 out: 1965 if (error) { 1966 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1967 ifp->if_timer = 0; 1968 printf("%s: interface not running\n", device_xname(sc->sc_dev)); 1969 } 1970 return (error); 1971 } 1972 1973 /* 1974 * tlp_enable: 1975 * 1976 * Enable the Tulip chip. 1977 */ 1978 static int 1979 tlp_enable(struct tulip_softc *sc) 1980 { 1981 1982 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1983 if ((*sc->sc_enable)(sc) != 0) { 1984 aprint_error_dev(sc->sc_dev, "device enable failed\n"); 1985 return (EIO); 1986 } 1987 sc->sc_flags |= TULIPF_ENABLED; 1988 } 1989 return (0); 1990 } 1991 1992 /* 1993 * tlp_disable: 1994 * 1995 * Disable the Tulip chip. 1996 */ 1997 static void 1998 tlp_disable(struct tulip_softc *sc) 1999 { 2000 2001 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 2002 (*sc->sc_disable)(sc); 2003 sc->sc_flags &= ~TULIPF_ENABLED; 2004 } 2005 } 2006 2007 /* 2008 * tlp_rxdrain: 2009 * 2010 * Drain the receive queue. 2011 */ 2012 static void 2013 tlp_rxdrain(struct tulip_softc *sc) 2014 { 2015 struct tulip_rxsoft *rxs; 2016 int i; 2017 2018 for (i = 0; i < TULIP_NRXDESC; i++) { 2019 rxs = &sc->sc_rxsoft[i]; 2020 if (rxs->rxs_mbuf != NULL) { 2021 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2022 m_freem(rxs->rxs_mbuf); 2023 rxs->rxs_mbuf = NULL; 2024 } 2025 } 2026 } 2027 2028 /* 2029 * tlp_stop: [ ifnet interface function ] 2030 * 2031 * Stop transmission on the interface. 2032 */ 2033 static void 2034 tlp_stop(struct ifnet *ifp, int disable) 2035 { 2036 struct tulip_softc *sc = ifp->if_softc; 2037 struct tulip_txsoft *txs; 2038 2039 if (sc->sc_tick != NULL) { 2040 /* Stop the one second clock. */ 2041 callout_stop(&sc->sc_tick_callout); 2042 } 2043 2044 if (sc->sc_flags & TULIPF_HAS_MII) { 2045 /* Down the MII. */ 2046 mii_down(&sc->sc_mii); 2047 } 2048 2049 /* Disable interrupts. */ 2050 TULIP_WRITE(sc, CSR_INTEN, 0); 2051 2052 /* Stop the transmit and receive processes. */ 2053 sc->sc_opmode = 0; 2054 TULIP_WRITE(sc, CSR_OPMODE, 0); 2055 TULIP_WRITE(sc, CSR_RXLIST, 0); 2056 TULIP_WRITE(sc, CSR_TXLIST, 0); 2057 2058 /* 2059 * Release any queued transmit buffers. 2060 */ 2061 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2062 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2063 if (txs->txs_mbuf != NULL) { 2064 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2065 m_freem(txs->txs_mbuf); 2066 txs->txs_mbuf = NULL; 2067 } 2068 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2069 } 2070 2071 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2072 2073 /* 2074 * Mark the interface down and cancel the watchdog timer. 2075 */ 2076 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2077 sc->sc_if_flags = ifp->if_flags; 2078 ifp->if_timer = 0; 2079 2080 /* 2081 * Reset the chip (needed on some flavors to actually disable it). 2082 */ 2083 tlp_reset(sc); 2084 2085 if (disable) { 2086 tlp_rxdrain(sc); 2087 tlp_disable(sc); 2088 } 2089 } 2090 2091 #define SROM_EMIT(sc, x) \ 2092 do { \ 2093 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2094 delay(2); \ 2095 } while (0) 2096 2097 /* 2098 * tlp_srom_idle: 2099 * 2100 * Put the SROM in idle state. 2101 */ 2102 static void 2103 tlp_srom_idle(struct tulip_softc *sc) 2104 { 2105 uint32_t miirom; 2106 int i; 2107 2108 miirom = MIIROM_SR; 2109 SROM_EMIT(sc, miirom); 2110 2111 miirom |= MIIROM_RD; 2112 SROM_EMIT(sc, miirom); 2113 2114 miirom |= MIIROM_SROMCS; 2115 SROM_EMIT(sc, miirom); 2116 2117 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2118 2119 /* Strobe the clock 32 times. */ 2120 for (i = 0; i < 32; i++) { 2121 SROM_EMIT(sc, miirom); 2122 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2123 } 2124 2125 SROM_EMIT(sc, miirom); 2126 2127 miirom &= ~MIIROM_SROMCS; 2128 SROM_EMIT(sc, miirom); 2129 2130 SROM_EMIT(sc, 0); 2131 } 2132 2133 /* 2134 * tlp_srom_size: 2135 * 2136 * Determine the number of address bits in the SROM. 2137 */ 2138 static int 2139 tlp_srom_size(struct tulip_softc *sc) 2140 { 2141 uint32_t miirom; 2142 int x; 2143 2144 /* Select the SROM. */ 2145 miirom = MIIROM_SR; 2146 SROM_EMIT(sc, miirom); 2147 2148 miirom |= MIIROM_RD; 2149 SROM_EMIT(sc, miirom); 2150 2151 /* Send CHIP SELECT for one clock tick. */ 2152 miirom |= MIIROM_SROMCS; 2153 SROM_EMIT(sc, miirom); 2154 2155 /* Shift in the READ opcode. */ 2156 for (x = 3; x > 0; x--) { 2157 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2158 miirom |= MIIROM_SROMDI; 2159 else 2160 miirom &= ~MIIROM_SROMDI; 2161 SROM_EMIT(sc, miirom); 2162 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2163 SROM_EMIT(sc, miirom); 2164 } 2165 2166 /* Shift in address and look for dummy 0 bit. */ 2167 for (x = 1; x <= 12; x++) { 2168 miirom &= ~MIIROM_SROMDI; 2169 SROM_EMIT(sc, miirom); 2170 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2171 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2172 break; 2173 SROM_EMIT(sc, miirom); 2174 } 2175 2176 /* Clear CHIP SELECT. */ 2177 miirom &= ~MIIROM_SROMCS; 2178 SROM_EMIT(sc, miirom); 2179 2180 /* Deselect the SROM. */ 2181 SROM_EMIT(sc, 0); 2182 2183 if (x < 4 || x > 12) { 2184 aprint_debug_dev(sc->sc_dev, "broken MicroWire interface detected; " 2185 "setting SROM size to 1Kb\n"); 2186 return (6); 2187 } else { 2188 if (tlp_srom_debug) 2189 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2190 device_xname(sc->sc_dev), x, (1 << (x + 4)) >> 3); 2191 return (x); 2192 } 2193 } 2194 2195 /* 2196 * tlp_read_srom: 2197 * 2198 * Read the Tulip SROM. 2199 */ 2200 int 2201 tlp_read_srom(struct tulip_softc *sc) 2202 { 2203 int size; 2204 uint32_t miirom; 2205 uint16_t datain; 2206 int i, x; 2207 2208 tlp_srom_idle(sc); 2209 2210 sc->sc_srom_addrbits = tlp_srom_size(sc); 2211 if (sc->sc_srom_addrbits == 0) 2212 return (0); 2213 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2214 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2215 2216 /* Select the SROM. */ 2217 miirom = MIIROM_SR; 2218 SROM_EMIT(sc, miirom); 2219 2220 miirom |= MIIROM_RD; 2221 SROM_EMIT(sc, miirom); 2222 2223 for (i = 0; i < size; i += 2) { 2224 /* Send CHIP SELECT for one clock tick. */ 2225 miirom |= MIIROM_SROMCS; 2226 SROM_EMIT(sc, miirom); 2227 2228 /* Shift in the READ opcode. */ 2229 for (x = 3; x > 0; x--) { 2230 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2231 miirom |= MIIROM_SROMDI; 2232 else 2233 miirom &= ~MIIROM_SROMDI; 2234 SROM_EMIT(sc, miirom); 2235 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2236 SROM_EMIT(sc, miirom); 2237 } 2238 2239 /* Shift in address. */ 2240 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2241 if (i & (1 << x)) 2242 miirom |= MIIROM_SROMDI; 2243 else 2244 miirom &= ~MIIROM_SROMDI; 2245 SROM_EMIT(sc, miirom); 2246 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2247 SROM_EMIT(sc, miirom); 2248 } 2249 2250 /* Shift out data. */ 2251 miirom &= ~MIIROM_SROMDI; 2252 datain = 0; 2253 for (x = 16; x > 0; x--) { 2254 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2255 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2256 datain |= (1 << (x - 1)); 2257 SROM_EMIT(sc, miirom); 2258 } 2259 sc->sc_srom[i] = datain & 0xff; 2260 sc->sc_srom[i + 1] = datain >> 8; 2261 2262 /* Clear CHIP SELECT. */ 2263 miirom &= ~MIIROM_SROMCS; 2264 SROM_EMIT(sc, miirom); 2265 } 2266 2267 /* Deselect the SROM. */ 2268 SROM_EMIT(sc, 0); 2269 2270 /* ...and idle it. */ 2271 tlp_srom_idle(sc); 2272 2273 if (tlp_srom_debug) { 2274 printf("SROM CONTENTS:"); 2275 for (i = 0; i < size; i++) { 2276 if ((i % 8) == 0) 2277 printf("\n\t"); 2278 printf("0x%02x ", sc->sc_srom[i]); 2279 } 2280 printf("\n"); 2281 } 2282 2283 return (1); 2284 } 2285 2286 #undef SROM_EMIT 2287 2288 /* 2289 * tlp_add_rxbuf: 2290 * 2291 * Add a receive buffer to the indicated descriptor. 2292 */ 2293 static int 2294 tlp_add_rxbuf(struct tulip_softc *sc, int idx) 2295 { 2296 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2297 struct mbuf *m; 2298 int error; 2299 2300 MGETHDR(m, M_DONTWAIT, MT_DATA); 2301 if (m == NULL) 2302 return (ENOBUFS); 2303 2304 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2305 MCLGET(m, M_DONTWAIT); 2306 if ((m->m_flags & M_EXT) == 0) { 2307 m_freem(m); 2308 return (ENOBUFS); 2309 } 2310 2311 if (rxs->rxs_mbuf != NULL) 2312 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2313 2314 rxs->rxs_mbuf = m; 2315 2316 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2317 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2318 BUS_DMA_READ|BUS_DMA_NOWAIT); 2319 if (error) { 2320 aprint_error_dev(sc->sc_dev, "can't load rx DMA map %d, error = %d\n", 2321 idx, error); 2322 panic("tlp_add_rxbuf"); /* XXX */ 2323 } 2324 2325 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2326 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2327 2328 TULIP_INIT_RXDESC(sc, idx); 2329 2330 return (0); 2331 } 2332 2333 /* 2334 * tlp_srom_crcok: 2335 * 2336 * Check the CRC of the Tulip SROM. 2337 */ 2338 int 2339 tlp_srom_crcok(const uint8_t *romdata) 2340 { 2341 uint32_t crc; 2342 2343 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2344 crc = (crc & 0xffff) ^ 0xffff; 2345 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2346 return (1); 2347 2348 /* 2349 * Try an alternate checksum. 2350 */ 2351 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2352 crc = (crc & 0xffff) ^ 0xffff; 2353 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2354 return (1); 2355 2356 return (0); 2357 } 2358 2359 /* 2360 * tlp_isv_srom: 2361 * 2362 * Check to see if the SROM is in the new standardized format. 2363 */ 2364 int 2365 tlp_isv_srom(const uint8_t *romdata) 2366 { 2367 int i; 2368 uint16_t cksum; 2369 2370 if (tlp_srom_crcok(romdata)) { 2371 /* 2372 * SROM CRC checks out; must be in the new format. 2373 */ 2374 return (1); 2375 } 2376 2377 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2378 if (cksum == 0xffff || cksum == 0) { 2379 /* 2380 * No checksum present. Check the SROM ID; 18 bytes of 0 2381 * followed by 1 (version) followed by the number of 2382 * adapters which use this SROM (should be non-zero). 2383 */ 2384 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2385 if (romdata[i] != 0) 2386 return (0); 2387 } 2388 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2389 return (0); 2390 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2391 return (0); 2392 return (1); 2393 } 2394 2395 return (0); 2396 } 2397 2398 /* 2399 * tlp_isv_srom_enaddr: 2400 * 2401 * Get the Ethernet address from an ISV SROM. 2402 */ 2403 int 2404 tlp_isv_srom_enaddr(struct tulip_softc *sc, uint8_t *enaddr) 2405 { 2406 int i, devcnt; 2407 2408 if (tlp_isv_srom(sc->sc_srom) == 0) 2409 return (0); 2410 2411 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2412 for (i = 0; i < devcnt; i++) { 2413 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2414 break; 2415 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2416 sc->sc_devno) 2417 break; 2418 } 2419 2420 if (i == devcnt) 2421 return (0); 2422 2423 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2424 ETHER_ADDR_LEN); 2425 enaddr[5] += i; 2426 2427 return (1); 2428 } 2429 2430 /* 2431 * tlp_parse_old_srom: 2432 * 2433 * Parse old-format SROMs. 2434 * 2435 * This routine is largely lifted from Matt Thomas's `de' driver. 2436 */ 2437 int 2438 tlp_parse_old_srom(struct tulip_softc *sc, uint8_t *enaddr) 2439 { 2440 static const uint8_t testpat[] = 2441 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2442 int i; 2443 uint32_t cksum; 2444 2445 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2446 /* 2447 * Phobos G100 interfaces have the address at 2448 * offsets 0 and 20, but each pair of bytes is 2449 * swapped. 2450 */ 2451 if (sc->sc_srom_addrbits == 6 && 2452 sc->sc_srom[1] == 0x00 && 2453 sc->sc_srom[0] == 0x60 && 2454 sc->sc_srom[3] == 0xf5 && 2455 memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) { 2456 for (i = 0; i < 6; i += 2) { 2457 enaddr[i] = sc->sc_srom[i + 1]; 2458 enaddr[i + 1] = sc->sc_srom[i]; 2459 } 2460 return (1); 2461 } 2462 2463 /* 2464 * Phobos G130/G160 interfaces have the address at 2465 * offsets 20 and 84, but each pair of bytes is 2466 * swapped. 2467 */ 2468 if (sc->sc_srom_addrbits == 6 && 2469 sc->sc_srom[21] == 0x00 && 2470 sc->sc_srom[20] == 0x60 && 2471 sc->sc_srom[23] == 0xf5 && 2472 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { 2473 for (i = 0; i < 6; i += 2) { 2474 enaddr[i] = sc->sc_srom[20 + i + 1]; 2475 enaddr[i + 1] = sc->sc_srom[20 + i]; 2476 } 2477 return (1); 2478 } 2479 2480 /* 2481 * Cobalt Networks interfaces simply have the address 2482 * in the first six bytes. The rest is zeroed out 2483 * on some models, but others contain unknown data. 2484 */ 2485 if (sc->sc_srom[0] == 0x00 && 2486 sc->sc_srom[1] == 0x10 && 2487 sc->sc_srom[2] == 0xe0) { 2488 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2489 return (1); 2490 } 2491 2492 /* 2493 * Some vendors (e.g. ZNYX) don't use the standard 2494 * DEC Address ROM format, but rather just have an 2495 * Ethernet address in the first 6 bytes, maybe a 2496 * 2 byte checksum, and then all 0xff's. 2497 */ 2498 for (i = 8; i < 32; i++) { 2499 if (sc->sc_srom[i] != 0xff && 2500 sc->sc_srom[i] != 0) 2501 return (0); 2502 } 2503 2504 /* 2505 * Sanity check the Ethernet address: 2506 * 2507 * - Make sure it's not multicast or locally 2508 * assigned 2509 * - Make sure it has a non-0 OUI 2510 */ 2511 if (sc->sc_srom[0] & 3) 2512 return (0); 2513 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2514 sc->sc_srom[2] == 0) 2515 return (0); 2516 2517 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2518 return (1); 2519 } 2520 2521 /* 2522 * Standard DEC Address ROM test. 2523 */ 2524 2525 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2526 return (0); 2527 2528 for (i = 0; i < 8; i++) { 2529 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2530 return (0); 2531 } 2532 2533 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2534 2535 cksum = *(uint16_t *) &enaddr[0]; 2536 2537 cksum <<= 1; 2538 if (cksum > 0xffff) 2539 cksum -= 0xffff; 2540 2541 cksum += *(uint16_t *) &enaddr[2]; 2542 if (cksum > 0xffff) 2543 cksum -= 0xffff; 2544 2545 cksum <<= 1; 2546 if (cksum > 0xffff) 2547 cksum -= 0xffff; 2548 2549 cksum += *(uint16_t *) &enaddr[4]; 2550 if (cksum >= 0xffff) 2551 cksum -= 0xffff; 2552 2553 if (cksum != *(uint16_t *) &sc->sc_srom[6]) 2554 return (0); 2555 2556 return (1); 2557 } 2558 2559 /* 2560 * tlp_filter_setup: 2561 * 2562 * Set the Tulip's receive filter. 2563 */ 2564 static void 2565 tlp_filter_setup(struct tulip_softc *sc) 2566 { 2567 struct ethercom *ec = &sc->sc_ethercom; 2568 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2569 struct ether_multi *enm; 2570 struct ether_multistep step; 2571 volatile uint32_t *sp; 2572 struct tulip_txsoft *txs; 2573 uint8_t enaddr[ETHER_ADDR_LEN]; 2574 uint32_t hash, hashsize; 2575 int cnt, nexttx; 2576 2577 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2578 device_xname(sc->sc_dev), sc->sc_flags)); 2579 2580 memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2581 2582 /* 2583 * If there are transmissions pending, wait until they have 2584 * completed. 2585 */ 2586 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2587 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2588 sc->sc_flags |= TULIPF_WANT_SETUP; 2589 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2590 device_xname(sc->sc_dev))); 2591 return; 2592 } 2593 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2594 2595 switch (sc->sc_chip) { 2596 case TULIP_CHIP_82C115: 2597 hashsize = TULIP_PNICII_HASHSIZE; 2598 break; 2599 2600 default: 2601 hashsize = TULIP_MCHASHSIZE; 2602 } 2603 2604 /* 2605 * If we're running, idle the transmit and receive engines. If 2606 * we're NOT running, we're being called from tlp_init(), and our 2607 * writing OPMODE will start the transmit and receive processes 2608 * in motion. 2609 */ 2610 if (ifp->if_flags & IFF_RUNNING) 2611 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2612 2613 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2614 2615 if (ifp->if_flags & IFF_PROMISC) { 2616 sc->sc_opmode |= OPMODE_PR; 2617 goto allmulti; 2618 } 2619 2620 /* 2621 * Try Perfect filtering first. 2622 */ 2623 2624 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2625 sp = TULIP_CDSP(sc); 2626 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2627 cnt = 0; 2628 ETHER_FIRST_MULTI(step, ec, enm); 2629 while (enm != NULL) { 2630 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2631 /* 2632 * We must listen to a range of multicast addresses. 2633 * For now, just accept all multicasts, rather than 2634 * trying to set only those filter bits needed to match 2635 * the range. (At this time, the only use of address 2636 * ranges is for IP multicast routing, for which the 2637 * range is big enough to require all bits set.) 2638 */ 2639 goto allmulti; 2640 } 2641 if (cnt == (TULIP_MAXADDRS - 2)) { 2642 /* 2643 * We already have our multicast limit (still need 2644 * our station address and broadcast). Go to 2645 * Hash-Perfect mode. 2646 */ 2647 goto hashperfect; 2648 } 2649 cnt++; 2650 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 0)); 2651 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 1)); 2652 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 2)); 2653 ETHER_NEXT_MULTI(step, enm); 2654 } 2655 2656 if (ifp->if_flags & IFF_BROADCAST) { 2657 /* ...and the broadcast address. */ 2658 cnt++; 2659 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2660 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2661 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2662 } 2663 2664 /* Pad the rest with our station address. */ 2665 for (; cnt < TULIP_MAXADDRS; cnt++) { 2666 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2667 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2668 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2669 } 2670 ifp->if_flags &= ~IFF_ALLMULTI; 2671 goto setit; 2672 2673 hashperfect: 2674 /* 2675 * Try Hash-Perfect mode. 2676 */ 2677 2678 /* 2679 * Some 21140 chips have broken Hash-Perfect modes. On these 2680 * chips, we simply use Hash-Only mode, and put our station 2681 * address into the filter. 2682 */ 2683 if (sc->sc_chip == TULIP_CHIP_21140) 2684 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2685 else 2686 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2687 sp = TULIP_CDSP(sc); 2688 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2689 ETHER_FIRST_MULTI(step, ec, enm); 2690 while (enm != NULL) { 2691 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2692 /* 2693 * We must listen to a range of multicast addresses. 2694 * For now, just accept all multicasts, rather than 2695 * trying to set only those filter bits needed to match 2696 * the range. (At this time, the only use of address 2697 * ranges is for IP multicast routing, for which the 2698 * range is big enough to require all bits set.) 2699 */ 2700 goto allmulti; 2701 } 2702 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2703 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2704 ETHER_NEXT_MULTI(step, enm); 2705 } 2706 2707 if (ifp->if_flags & IFF_BROADCAST) { 2708 /* ...and the broadcast address. */ 2709 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2710 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2711 } 2712 2713 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2714 /* ...and our station address. */ 2715 hash = tlp_mchash(enaddr, hashsize); 2716 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2717 } else { 2718 /* 2719 * Hash-Perfect mode; put our station address after 2720 * the hash table. 2721 */ 2722 sp[39] = htole32(TULIP_SP_FIELD(enaddr, 0)); 2723 sp[40] = htole32(TULIP_SP_FIELD(enaddr, 1)); 2724 sp[41] = htole32(TULIP_SP_FIELD(enaddr, 2)); 2725 } 2726 ifp->if_flags &= ~IFF_ALLMULTI; 2727 goto setit; 2728 2729 allmulti: 2730 /* 2731 * Use Perfect filter mode. First address is the broadcast address, 2732 * and pad the rest with our station address. We'll set Pass-all- 2733 * multicast in OPMODE below. 2734 */ 2735 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2736 sp = TULIP_CDSP(sc); 2737 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2738 cnt = 0; 2739 if (ifp->if_flags & IFF_BROADCAST) { 2740 cnt++; 2741 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2742 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2743 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2744 } 2745 for (; cnt < TULIP_MAXADDRS; cnt++) { 2746 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2747 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2748 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2749 } 2750 ifp->if_flags |= IFF_ALLMULTI; 2751 2752 setit: 2753 if (ifp->if_flags & IFF_ALLMULTI) 2754 sc->sc_opmode |= OPMODE_PM; 2755 2756 /* Sync the setup packet buffer. */ 2757 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2758 2759 /* 2760 * Fill in the setup packet descriptor. 2761 */ 2762 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2763 2764 txs->txs_firstdesc = sc->sc_txnext; 2765 txs->txs_lastdesc = sc->sc_txnext; 2766 txs->txs_ndescs = 1; 2767 txs->txs_mbuf = NULL; 2768 2769 nexttx = sc->sc_txnext; 2770 sc->sc_txdescs[nexttx].td_status = 0; 2771 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2772 sc->sc_txdescs[nexttx].td_ctl = 2773 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2774 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2775 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2776 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2777 TULIP_CDTXSYNC(sc, nexttx, 1, 2778 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2779 2780 #ifdef TLP_DEBUG 2781 if (ifp->if_flags & IFF_DEBUG) { 2782 printf(" filter_setup %p transmit chain:\n", txs); 2783 printf(" descriptor %d:\n", nexttx); 2784 printf(" td_status: 0x%08x\n", 2785 le32toh(sc->sc_txdescs[nexttx].td_status)); 2786 printf(" td_ctl: 0x%08x\n", 2787 le32toh(sc->sc_txdescs[nexttx].td_ctl)); 2788 printf(" td_bufaddr1: 0x%08x\n", 2789 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1)); 2790 printf(" td_bufaddr2: 0x%08x\n", 2791 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2)); 2792 } 2793 #endif 2794 2795 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN); 2796 TULIP_CDTXSYNC(sc, nexttx, 1, 2797 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2798 2799 /* Advance the tx pointer. */ 2800 sc->sc_txfree -= 1; 2801 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2802 2803 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2804 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2805 2806 /* 2807 * Set the OPMODE register. This will also resume the 2808 * transmit process we idled above. 2809 */ 2810 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2811 2812 sc->sc_flags |= TULIPF_DOING_SETUP; 2813 2814 /* 2815 * Kick the transmitter; this will cause the Tulip to 2816 * read the setup descriptor. 2817 */ 2818 /* XXX USE AUTOPOLLING? */ 2819 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2820 2821 /* Set up a watchdog timer in case the chip flakes out. */ 2822 ifp->if_timer = 5; 2823 2824 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", device_xname(sc->sc_dev))); 2825 } 2826 2827 /* 2828 * tlp_winb_filter_setup: 2829 * 2830 * Set the Winbond 89C840F's receive filter. 2831 */ 2832 static void 2833 tlp_winb_filter_setup(struct tulip_softc *sc) 2834 { 2835 struct ethercom *ec = &sc->sc_ethercom; 2836 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2837 struct ether_multi *enm; 2838 struct ether_multistep step; 2839 uint32_t hash, mchash[2]; 2840 2841 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2842 device_xname(sc->sc_dev), sc->sc_flags)); 2843 2844 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2845 2846 if (ifp->if_flags & IFF_MULTICAST) 2847 sc->sc_opmode |= OPMODE_WINB_AMP; 2848 2849 if (ifp->if_flags & IFF_BROADCAST) 2850 sc->sc_opmode |= OPMODE_WINB_ABP; 2851 2852 if (ifp->if_flags & IFF_PROMISC) { 2853 sc->sc_opmode |= OPMODE_WINB_APP; 2854 goto allmulti; 2855 } 2856 2857 mchash[0] = mchash[1] = 0; 2858 2859 ETHER_FIRST_MULTI(step, ec, enm); 2860 while (enm != NULL) { 2861 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2862 /* 2863 * We must listen to a range of multicast addresses. 2864 * For now, just accept all multicasts, rather than 2865 * trying to set only those filter bits needed to match 2866 * the range. (At this time, the only use of address 2867 * ranges is for IP multicast routing, for which the 2868 * range is big enough to require all bits set.) 2869 */ 2870 goto allmulti; 2871 } 2872 2873 /* 2874 * According to the FreeBSD `wb' driver, yes, you 2875 * really do invert the hash. 2876 */ 2877 hash = 2878 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2879 & 0x3f; 2880 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2881 ETHER_NEXT_MULTI(step, enm); 2882 } 2883 ifp->if_flags &= ~IFF_ALLMULTI; 2884 goto setit; 2885 2886 allmulti: 2887 ifp->if_flags |= IFF_ALLMULTI; 2888 mchash[0] = mchash[1] = 0xffffffff; 2889 2890 setit: 2891 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2892 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2893 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2894 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2895 device_xname(sc->sc_dev))); 2896 } 2897 2898 /* 2899 * tlp_al981_filter_setup: 2900 * 2901 * Set the ADMtek AL981's receive filter. 2902 */ 2903 static void 2904 tlp_al981_filter_setup(struct tulip_softc *sc) 2905 { 2906 struct ethercom *ec = &sc->sc_ethercom; 2907 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2908 struct ether_multi *enm; 2909 struct ether_multistep step; 2910 uint32_t hash, mchash[2]; 2911 2912 /* 2913 * If the chip is running, we need to reset the interface, 2914 * and will revisit here (with IFF_RUNNING) clear. The 2915 * chip seems to really not like to have its multicast 2916 * filter programmed without a reset. 2917 */ 2918 if (ifp->if_flags & IFF_RUNNING) { 2919 (void) tlp_init(ifp); 2920 return; 2921 } 2922 2923 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2924 device_xname(sc->sc_dev), sc->sc_flags)); 2925 2926 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2927 2928 if (ifp->if_flags & IFF_PROMISC) { 2929 sc->sc_opmode |= OPMODE_PR; 2930 goto allmulti; 2931 } 2932 2933 mchash[0] = mchash[1] = 0; 2934 2935 ETHER_FIRST_MULTI(step, ec, enm); 2936 while (enm != NULL) { 2937 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2938 /* 2939 * We must listen to a range of multicast addresses. 2940 * For now, just accept all multicasts, rather than 2941 * trying to set only those filter bits needed to match 2942 * the range. (At this time, the only use of address 2943 * ranges is for IP multicast routing, for which the 2944 * range is big enough to require all bits set.) 2945 */ 2946 goto allmulti; 2947 } 2948 2949 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2950 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2951 ETHER_NEXT_MULTI(step, enm); 2952 } 2953 ifp->if_flags &= ~IFF_ALLMULTI; 2954 goto setit; 2955 2956 allmulti: 2957 ifp->if_flags |= IFF_ALLMULTI; 2958 mchash[0] = mchash[1] = 0xffffffff; 2959 2960 setit: 2961 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2962 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2963 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2964 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2965 device_xname(sc->sc_dev))); 2966 } 2967 2968 /* 2969 * tlp_asix_filter_setup: 2970 * 2971 * Set the ASIX AX8814x recieve filter. 2972 */ 2973 static void 2974 tlp_asix_filter_setup(struct tulip_softc *sc) 2975 { 2976 struct ethercom *ec = &sc->sc_ethercom; 2977 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2978 struct ether_multi *enm; 2979 struct ether_multistep step; 2980 uint32_t hash, mchash[2]; 2981 2982 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 2983 device_xname(sc->sc_dev), sc->sc_flags)); 2984 2985 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 2986 2987 if (ifp->if_flags & IFF_MULTICAST) 2988 sc->sc_opmode |= OPMODE_PM; 2989 2990 if (ifp->if_flags & IFF_BROADCAST) 2991 sc->sc_opmode |= OPMODE_AX_RB; 2992 2993 if (ifp->if_flags & IFF_PROMISC) { 2994 sc->sc_opmode |= OPMODE_PR; 2995 goto allmulti; 2996 } 2997 2998 mchash[0] = mchash[1] = 0; 2999 3000 ETHER_FIRST_MULTI(step, ec, enm); 3001 while (enm != NULL) { 3002 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 3003 /* 3004 * We must listen to a range of multicast addresses. 3005 * For now, just accept all multicasts, rather than 3006 * trying to set only those filter bits needed to match 3007 * the range. (At this time, the only use of address 3008 * ranges is for IP multicast routing, for which the 3009 * range is big enough to require all bits set.) 3010 */ 3011 goto allmulti; 3012 } 3013 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3014 & 0x3f; 3015 if (hash < 32) 3016 mchash[0] |= (1 << hash); 3017 else 3018 mchash[1] |= (1 << (hash - 32)); 3019 ETHER_NEXT_MULTI(step, enm); 3020 } 3021 ifp->if_flags &= ~IFF_ALLMULTI; 3022 goto setit; 3023 3024 allmulti: 3025 ifp->if_flags |= IFF_ALLMULTI; 3026 mchash[0] = mchash[1] = 0xffffffff; 3027 3028 setit: 3029 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3030 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3031 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3032 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3033 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3034 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3035 device_xname(sc->sc_dev))); 3036 } 3037 3038 3039 /* 3040 * tlp_idle: 3041 * 3042 * Cause the transmit and/or receive processes to go idle. 3043 */ 3044 void 3045 tlp_idle(struct tulip_softc *sc, uint32_t bits) 3046 { 3047 static const char * const tlp_tx_state_names[] = { 3048 "STOPPED", 3049 "RUNNING - FETCH", 3050 "RUNNING - WAIT", 3051 "RUNNING - READING", 3052 "-- RESERVED --", 3053 "RUNNING - SETUP", 3054 "SUSPENDED", 3055 "RUNNING - CLOSE", 3056 }; 3057 static const char * const tlp_rx_state_names[] = { 3058 "STOPPED", 3059 "RUNNING - FETCH", 3060 "RUNNING - CHECK", 3061 "RUNNING - WAIT", 3062 "SUSPENDED", 3063 "RUNNING - CLOSE", 3064 "RUNNING - FLUSH", 3065 "RUNNING - QUEUE", 3066 }; 3067 static const char * const dm9102_tx_state_names[] = { 3068 "STOPPED", 3069 "RUNNING - FETCH", 3070 "RUNNING - SETUP", 3071 "RUNNING - READING", 3072 "RUNNING - CLOSE - CLEAR OWNER", 3073 "RUNNING - WAIT", 3074 "RUNNING - CLOSE - WRITE STATUS", 3075 "SUSPENDED", 3076 }; 3077 static const char * const dm9102_rx_state_names[] = { 3078 "STOPPED", 3079 "RUNNING - FETCH", 3080 "RUNNING - WAIT", 3081 "RUNNING - QUEUE", 3082 "RUNNING - CLOSE - CLEAR OWNER", 3083 "RUNNING - CLOSE - WRITE STATUS", 3084 "SUSPENDED", 3085 "RUNNING - FLUSH", 3086 }; 3087 3088 const char * const *tx_state_names, * const *rx_state_names; 3089 uint32_t csr, ackmask = 0; 3090 int i; 3091 3092 switch (sc->sc_chip) { 3093 case TULIP_CHIP_DM9102: 3094 case TULIP_CHIP_DM9102A: 3095 tx_state_names = dm9102_tx_state_names; 3096 rx_state_names = dm9102_rx_state_names; 3097 break; 3098 3099 default: 3100 tx_state_names = tlp_tx_state_names; 3101 rx_state_names = tlp_rx_state_names; 3102 break; 3103 } 3104 3105 if (bits & OPMODE_ST) 3106 ackmask |= STATUS_TPS; 3107 3108 if (bits & OPMODE_SR) 3109 ackmask |= STATUS_RPS; 3110 3111 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3112 3113 for (i = 0; i < 1000; i++) { 3114 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3115 break; 3116 delay(10); 3117 } 3118 3119 csr = TULIP_READ(sc, CSR_STATUS); 3120 if ((csr & ackmask) != ackmask) { 3121 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3122 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3123 switch (sc->sc_chip) { 3124 case TULIP_CHIP_AX88140: 3125 case TULIP_CHIP_AX88141: 3126 /* 3127 * Filter the message out on noisy chips. 3128 */ 3129 break; 3130 default: 3131 printf("%s: transmit process failed to idle: " 3132 "state %s\n", device_xname(sc->sc_dev), 3133 tx_state_names[(csr & STATUS_TS) >> 20]); 3134 } 3135 } 3136 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3137 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3138 switch (sc->sc_chip) { 3139 case TULIP_CHIP_AN983: 3140 case TULIP_CHIP_AN985: 3141 case TULIP_CHIP_DM9102A: 3142 case TULIP_CHIP_RS7112: 3143 /* 3144 * Filter the message out on noisy chips. 3145 */ 3146 break; 3147 default: 3148 printf("%s: receive process failed to idle: " 3149 "state %s\n", device_xname(sc->sc_dev), 3150 rx_state_names[(csr & STATUS_RS) >> 17]); 3151 } 3152 } 3153 } 3154 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3155 } 3156 3157 /***************************************************************************** 3158 * Generic media support functions. 3159 *****************************************************************************/ 3160 3161 /* 3162 * tlp_mediastatus: [ifmedia interface function] 3163 * 3164 * Query the current media. 3165 */ 3166 void 3167 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3168 { 3169 struct tulip_softc *sc = ifp->if_softc; 3170 3171 if (TULIP_IS_ENABLED(sc) == 0) { 3172 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3173 ifmr->ifm_status = 0; 3174 return; 3175 } 3176 3177 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3178 } 3179 3180 /* 3181 * tlp_mediachange: [ifmedia interface function] 3182 * 3183 * Update the current media. 3184 */ 3185 int 3186 tlp_mediachange(struct ifnet *ifp) 3187 { 3188 struct tulip_softc *sc = ifp->if_softc; 3189 3190 if ((ifp->if_flags & IFF_UP) == 0) 3191 return (0); 3192 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3193 } 3194 3195 /***************************************************************************** 3196 * Support functions for MII-attached media. 3197 *****************************************************************************/ 3198 3199 /* 3200 * tlp_mii_tick: 3201 * 3202 * One second timer, used to tick the MII. 3203 */ 3204 static void 3205 tlp_mii_tick(void *arg) 3206 { 3207 struct tulip_softc *sc = arg; 3208 int s; 3209 3210 if (!device_is_active(sc->sc_dev)) 3211 return; 3212 3213 s = splnet(); 3214 mii_tick(&sc->sc_mii); 3215 splx(s); 3216 3217 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3218 } 3219 3220 /* 3221 * tlp_mii_statchg: [mii interface function] 3222 * 3223 * Callback from PHY when media changes. 3224 */ 3225 static void 3226 tlp_mii_statchg(device_t self) 3227 { 3228 struct tulip_softc *sc = device_private(self); 3229 3230 /* Idle the transmit and receive processes. */ 3231 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3232 3233 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3234 3235 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3236 sc->sc_opmode |= OPMODE_TTM; 3237 else 3238 sc->sc_opmode |= OPMODE_HBD; 3239 3240 if (sc->sc_mii.mii_media_active & IFM_FDX) 3241 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3242 3243 /* 3244 * Write new OPMODE bits. This also restarts the transmit 3245 * and receive processes. 3246 */ 3247 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3248 } 3249 3250 /* 3251 * tlp_winb_mii_statchg: [mii interface function] 3252 * 3253 * Callback from PHY when media changes. This version is 3254 * for the Winbond 89C840F, which has different OPMODE bits. 3255 */ 3256 static void 3257 tlp_winb_mii_statchg(device_t self) 3258 { 3259 struct tulip_softc *sc = device_private(self); 3260 3261 /* Idle the transmit and receive processes. */ 3262 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3263 3264 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3265 3266 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3267 sc->sc_opmode |= OPMODE_WINB_FES; 3268 3269 if (sc->sc_mii.mii_media_active & IFM_FDX) 3270 sc->sc_opmode |= OPMODE_FD; 3271 3272 /* 3273 * Write new OPMODE bits. This also restarts the transmit 3274 * and receive processes. 3275 */ 3276 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3277 } 3278 3279 /* 3280 * tlp_dm9102_mii_statchg: [mii interface function] 3281 * 3282 * Callback from PHY when media changes. This version is 3283 * for the DM9102. 3284 */ 3285 static void 3286 tlp_dm9102_mii_statchg(device_t self) 3287 { 3288 struct tulip_softc *sc = device_private(self); 3289 3290 /* 3291 * Don't idle the transmit and receive processes, here. It 3292 * seems to fail, and just causes excess noise. 3293 */ 3294 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3295 3296 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3297 sc->sc_opmode |= OPMODE_TTM; 3298 3299 if (sc->sc_mii.mii_media_active & IFM_FDX) 3300 sc->sc_opmode |= OPMODE_FD; 3301 3302 /* 3303 * Write new OPMODE bits. 3304 */ 3305 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3306 } 3307 3308 /* 3309 * tlp_mii_getmedia: 3310 * 3311 * Callback from ifmedia to request current media status. 3312 */ 3313 static void 3314 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3315 { 3316 3317 mii_pollstat(&sc->sc_mii); 3318 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3319 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3320 } 3321 3322 /* 3323 * tlp_mii_setmedia: 3324 * 3325 * Callback from ifmedia to request new media setting. 3326 */ 3327 static int 3328 tlp_mii_setmedia(struct tulip_softc *sc) 3329 { 3330 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3331 int rc; 3332 3333 if ((ifp->if_flags & IFF_UP) == 0) 3334 return 0; 3335 switch (sc->sc_chip) { 3336 case TULIP_CHIP_21142: 3337 case TULIP_CHIP_21143: 3338 /* Disable the internal Nway engine. */ 3339 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3340 break; 3341 3342 default: 3343 /* Nothing. */ 3344 break; 3345 } 3346 if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) 3347 return 0; 3348 return rc; 3349 } 3350 3351 /* 3352 * tlp_bitbang_mii_readreg: 3353 * 3354 * Read a PHY register via bit-bang'ing the MII. 3355 */ 3356 static int 3357 tlp_bitbang_mii_readreg(device_t self, int phy, int reg) 3358 { 3359 struct tulip_softc *sc = device_private(self); 3360 3361 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3362 } 3363 3364 /* 3365 * tlp_bitbang_mii_writereg: 3366 * 3367 * Write a PHY register via bit-bang'ing the MII. 3368 */ 3369 static void 3370 tlp_bitbang_mii_writereg(device_t self, int phy, int reg, int val) 3371 { 3372 struct tulip_softc *sc = device_private(self); 3373 3374 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3375 } 3376 3377 /* 3378 * tlp_sio_mii_bitbang_read: 3379 * 3380 * Read the MII serial port for the MII bit-bang module. 3381 */ 3382 static uint32_t 3383 tlp_sio_mii_bitbang_read(device_t self) 3384 { 3385 struct tulip_softc *sc = device_private(self); 3386 3387 return (TULIP_READ(sc, CSR_MIIROM)); 3388 } 3389 3390 /* 3391 * tlp_sio_mii_bitbang_write: 3392 * 3393 * Write the MII serial port for the MII bit-bang module. 3394 */ 3395 static void 3396 tlp_sio_mii_bitbang_write(device_t self, uint32_t val) 3397 { 3398 struct tulip_softc *sc = device_private(self); 3399 3400 TULIP_WRITE(sc, CSR_MIIROM, val); 3401 } 3402 3403 /* 3404 * tlp_pnic_mii_readreg: 3405 * 3406 * Read a PHY register on the Lite-On PNIC. 3407 */ 3408 static int 3409 tlp_pnic_mii_readreg(device_t self, int phy, int reg) 3410 { 3411 struct tulip_softc *sc = device_private(self); 3412 uint32_t val; 3413 int i; 3414 3415 TULIP_WRITE(sc, CSR_PNIC_MII, 3416 PNIC_MII_MBO | PNIC_MII_RESERVED | 3417 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3418 (reg << PNIC_MII_REGSHIFT)); 3419 3420 for (i = 0; i < 1000; i++) { 3421 delay(10); 3422 val = TULIP_READ(sc, CSR_PNIC_MII); 3423 if ((val & PNIC_MII_BUSY) == 0) { 3424 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3425 return (0); 3426 else 3427 return (val & PNIC_MII_DATA); 3428 } 3429 } 3430 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 3431 return (0); 3432 } 3433 3434 /* 3435 * tlp_pnic_mii_writereg: 3436 * 3437 * Write a PHY register on the Lite-On PNIC. 3438 */ 3439 static void 3440 tlp_pnic_mii_writereg(device_t self, int phy, int reg, int val) 3441 { 3442 struct tulip_softc *sc = device_private(self); 3443 int i; 3444 3445 TULIP_WRITE(sc, CSR_PNIC_MII, 3446 PNIC_MII_MBO | PNIC_MII_RESERVED | 3447 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3448 (reg << PNIC_MII_REGSHIFT) | val); 3449 3450 for (i = 0; i < 1000; i++) { 3451 delay(10); 3452 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3453 return; 3454 } 3455 printf("%s: MII write timed out\n", device_xname(sc->sc_dev)); 3456 } 3457 3458 static const bus_addr_t tlp_al981_phy_regmap[] = { 3459 CSR_ADM_BMCR, 3460 CSR_ADM_BMSR, 3461 CSR_ADM_PHYIDR1, 3462 CSR_ADM_PHYIDR2, 3463 CSR_ADM_ANAR, 3464 CSR_ADM_ANLPAR, 3465 CSR_ADM_ANER, 3466 3467 CSR_ADM_XMC, 3468 CSR_ADM_XCIIS, 3469 CSR_ADM_XIE, 3470 CSR_ADM_100CTR, 3471 }; 3472 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3473 sizeof(tlp_al981_phy_regmap[0]); 3474 3475 /* 3476 * tlp_al981_mii_readreg: 3477 * 3478 * Read a PHY register on the ADMtek AL981. 3479 */ 3480 static int 3481 tlp_al981_mii_readreg(device_t self, int phy, int reg) 3482 { 3483 struct tulip_softc *sc = device_private(self); 3484 3485 /* AL981 only has an internal PHY. */ 3486 if (phy != 0) 3487 return (0); 3488 3489 if (reg >= tlp_al981_phy_regmap_size) 3490 return (0); 3491 3492 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3493 tlp_al981_phy_regmap[reg]) & 0xffff); 3494 } 3495 3496 /* 3497 * tlp_al981_mii_writereg: 3498 * 3499 * Write a PHY register on the ADMtek AL981. 3500 */ 3501 static void 3502 tlp_al981_mii_writereg(device_t self, int phy, int reg, int val) 3503 { 3504 struct tulip_softc *sc = device_private(self); 3505 3506 /* AL981 only has an internal PHY. */ 3507 if (phy != 0) 3508 return; 3509 3510 if (reg >= tlp_al981_phy_regmap_size) 3511 return; 3512 3513 bus_space_write_4(sc->sc_st, sc->sc_sh, 3514 tlp_al981_phy_regmap[reg], val); 3515 } 3516 3517 /***************************************************************************** 3518 * Chip-specific pre-init and reset functions. 3519 *****************************************************************************/ 3520 3521 /* 3522 * tlp_2114x_preinit: 3523 * 3524 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3525 */ 3526 static void 3527 tlp_2114x_preinit(struct tulip_softc *sc) 3528 { 3529 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3530 struct tulip_21x4x_media *tm = ife->ifm_aux; 3531 3532 /* 3533 * Whether or not we're in MII or SIA/SYM mode, the media info 3534 * contains the appropriate OPMODE bits. 3535 * 3536 * Also, we always set the Must-Be-One bit. 3537 */ 3538 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3539 3540 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3541 } 3542 3543 /* 3544 * tlp_2114x_mii_preinit: 3545 * 3546 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3547 * This version is used by boards which only have MII and don't have 3548 * an ISV SROM. 3549 */ 3550 static void 3551 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3552 { 3553 3554 /* 3555 * Always set the Must-Be-One bit, and Port Select (to select MII). 3556 * We'll never be called during a media change. 3557 */ 3558 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3559 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3560 } 3561 3562 /* 3563 * tlp_pnic_preinit: 3564 * 3565 * Pre-init function for the Lite-On 82c168 and 82c169. 3566 */ 3567 static void 3568 tlp_pnic_preinit(struct tulip_softc *sc) 3569 { 3570 3571 if (sc->sc_flags & TULIPF_HAS_MII) { 3572 /* 3573 * MII case: just set the port-select bit; we will never 3574 * be called during a media change. 3575 */ 3576 sc->sc_opmode |= OPMODE_PS; 3577 } else { 3578 /* 3579 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3580 */ 3581 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3582 } 3583 } 3584 3585 /* 3586 * tlp_asix_preinit: 3587 * 3588 * Pre-init function for the ASIX chipsets. 3589 */ 3590 static void 3591 tlp_asix_preinit(struct tulip_softc *sc) 3592 { 3593 3594 switch (sc->sc_chip) { 3595 case TULIP_CHIP_AX88140: 3596 case TULIP_CHIP_AX88141: 3597 /* XXX Handle PHY. */ 3598 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3599 break; 3600 default: 3601 /* Nothing */ 3602 break; 3603 } 3604 3605 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3606 } 3607 3608 /* 3609 * tlp_dm9102_preinit: 3610 * 3611 * Pre-init function for the Davicom DM9102. 3612 */ 3613 static void 3614 tlp_dm9102_preinit(struct tulip_softc *sc) 3615 { 3616 3617 switch (sc->sc_chip) { 3618 case TULIP_CHIP_DM9102: 3619 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3620 break; 3621 3622 case TULIP_CHIP_DM9102A: 3623 /* 3624 * XXX Figure out how to actually deal with the HomePNA 3625 * XXX portion of the DM9102A. 3626 */ 3627 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3628 break; 3629 3630 default: 3631 /* Nothing. */ 3632 break; 3633 } 3634 3635 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3636 } 3637 3638 /* 3639 * tlp_21140_reset: 3640 * 3641 * Issue a reset sequence on the 21140 via the GPIO facility. 3642 */ 3643 static void 3644 tlp_21140_reset(struct tulip_softc *sc) 3645 { 3646 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3647 struct tulip_21x4x_media *tm = ife->ifm_aux; 3648 int i; 3649 3650 /* First, set the direction on the GPIO pins. */ 3651 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3652 3653 /* Now, issue the reset sequence. */ 3654 for (i = 0; i < tm->tm_reset_length; i++) { 3655 delay(10); 3656 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3657 } 3658 3659 /* Now, issue the selection sequence. */ 3660 for (i = 0; i < tm->tm_gp_length; i++) { 3661 delay(10); 3662 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3663 } 3664 3665 /* If there were no sequences, just lower the pins. */ 3666 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3667 delay(10); 3668 TULIP_WRITE(sc, CSR_GPP, 0); 3669 } 3670 } 3671 3672 /* 3673 * tlp_21142_reset: 3674 * 3675 * Issue a reset sequence on the 21142 via the GPIO facility. 3676 */ 3677 static void 3678 tlp_21142_reset(struct tulip_softc *sc) 3679 { 3680 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3681 struct tulip_21x4x_media *tm = ife->ifm_aux; 3682 const uint8_t *cp; 3683 int i; 3684 3685 cp = &sc->sc_srom[tm->tm_reset_offset]; 3686 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3687 delay(10); 3688 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3689 } 3690 3691 cp = &sc->sc_srom[tm->tm_gp_offset]; 3692 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3693 delay(10); 3694 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3695 } 3696 3697 /* If there were no sequences, just lower the pins. */ 3698 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3699 delay(10); 3700 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3701 } 3702 } 3703 3704 /* 3705 * tlp_pmac_reset: 3706 * 3707 * Reset routine for Macronix chips. 3708 */ 3709 static void 3710 tlp_pmac_reset(struct tulip_softc *sc) 3711 { 3712 3713 switch (sc->sc_chip) { 3714 case TULIP_CHIP_82C115: 3715 case TULIP_CHIP_MX98715: 3716 case TULIP_CHIP_MX98715A: 3717 case TULIP_CHIP_MX98725: 3718 /* 3719 * Set the LED operating mode. This information is located 3720 * in the EEPROM at byte offset 0x77, per the MX98715A and 3721 * MX98725 application notes. 3722 */ 3723 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3724 break; 3725 case TULIP_CHIP_MX98715AEC_X: 3726 /* 3727 * Set the LED operating mode. This information is located 3728 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3729 * application note. 3730 */ 3731 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3732 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3733 break; 3734 3735 default: 3736 /* Nothing. */ 3737 break; 3738 } 3739 } 3740 3741 #if 0 3742 /* 3743 * tlp_dm9102_reset: 3744 * 3745 * Reset routine for the Davicom DM9102. 3746 */ 3747 static void 3748 tlp_dm9102_reset(struct tulip_softc *sc) 3749 { 3750 3751 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3752 delay(100); 3753 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3754 } 3755 #endif 3756 3757 /***************************************************************************** 3758 * Chip/board-specific media switches. The ones here are ones that 3759 * are potentially common to multiple front-ends. 3760 *****************************************************************************/ 3761 3762 /* 3763 * This table is a common place for all sorts of media information, 3764 * keyed off of the SROM media code for that media. 3765 * 3766 * Note that we explicitly configure the 21142/21143 to always advertise 3767 * NWay capabilities when using the UTP port. 3768 * XXX Actually, we don't yet. 3769 */ 3770 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3771 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3772 "10baseT", 3773 OPMODE_TTM, 3774 BMSR_10THDX, 3775 { SIACONN_21040_10BASET, 3776 SIATXRX_21040_10BASET, 3777 SIAGEN_21040_10BASET }, 3778 3779 { SIACONN_21041_10BASET, 3780 SIATXRX_21041_10BASET, 3781 SIAGEN_21041_10BASET }, 3782 3783 { SIACONN_21142_10BASET, 3784 SIATXRX_21142_10BASET, 3785 SIAGEN_21142_10BASET } }, 3786 3787 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3788 "10base2", 3789 0, 3790 0, 3791 { 0, 3792 0, 3793 0 }, 3794 3795 { SIACONN_21041_BNC, 3796 SIATXRX_21041_BNC, 3797 SIAGEN_21041_BNC }, 3798 3799 { SIACONN_21142_BNC, 3800 SIATXRX_21142_BNC, 3801 SIAGEN_21142_BNC } }, 3802 3803 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3804 "10base5", 3805 0, 3806 0, 3807 { SIACONN_21040_AUI, 3808 SIATXRX_21040_AUI, 3809 SIAGEN_21040_AUI }, 3810 3811 { SIACONN_21041_AUI, 3812 SIATXRX_21041_AUI, 3813 SIAGEN_21041_AUI }, 3814 3815 { SIACONN_21142_AUI, 3816 SIATXRX_21142_AUI, 3817 SIAGEN_21142_AUI } }, 3818 3819 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3820 "100baseTX", 3821 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3822 BMSR_100TXHDX, 3823 { 0, 3824 0, 3825 0 }, 3826 3827 { 0, 3828 0, 3829 0 }, 3830 3831 { 0, 3832 0, 3833 SIAGEN_ABM } }, 3834 3835 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3836 "10baseT-FDX", 3837 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3838 BMSR_10TFDX, 3839 { SIACONN_21040_10BASET_FDX, 3840 SIATXRX_21040_10BASET_FDX, 3841 SIAGEN_21040_10BASET_FDX }, 3842 3843 { SIACONN_21041_10BASET_FDX, 3844 SIATXRX_21041_10BASET_FDX, 3845 SIAGEN_21041_10BASET_FDX }, 3846 3847 { SIACONN_21142_10BASET_FDX, 3848 SIATXRX_21142_10BASET_FDX, 3849 SIAGEN_21142_10BASET_FDX } }, 3850 3851 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3852 "100baseTX-FDX", 3853 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3854 BMSR_100TXFDX, 3855 { 0, 3856 0, 3857 0 }, 3858 3859 { 0, 3860 0, 3861 0 }, 3862 3863 { 0, 3864 0, 3865 SIAGEN_ABM } }, 3866 3867 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3868 "100baseT4", 3869 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3870 BMSR_100T4, 3871 { 0, 3872 0, 3873 0 }, 3874 3875 { 0, 3876 0, 3877 0 }, 3878 3879 { 0, 3880 0, 3881 SIAGEN_ABM } }, 3882 3883 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3884 "100baseFX", 3885 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3886 0, 3887 { 0, 3888 0, 3889 0 }, 3890 3891 { 0, 3892 0, 3893 0 }, 3894 3895 { 0, 3896 0, 3897 SIAGEN_ABM } }, 3898 3899 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3900 "100baseFX-FDX", 3901 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3902 0, 3903 { 0, 3904 0, 3905 0 }, 3906 3907 { 0, 3908 0, 3909 0 }, 3910 3911 { 0, 3912 0, 3913 SIAGEN_ABM } }, 3914 3915 { 0, 0, 0, 3916 NULL, 3917 0, 3918 0, 3919 { 0, 3920 0, 3921 0 }, 3922 3923 { 0, 3924 0, 3925 0 }, 3926 3927 { 0, 3928 0, 3929 0 } }, 3930 }; 3931 3932 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(uint8_t); 3933 static void tlp_srom_media_info(struct tulip_softc *, 3934 const struct tulip_srom_to_ifmedia *, 3935 struct tulip_21x4x_media *); 3936 static void tlp_add_srom_media(struct tulip_softc *, int, 3937 void (*)(struct tulip_softc *, struct ifmediareq *), 3938 int (*)(struct tulip_softc *), const uint8_t *, int); 3939 static void tlp_print_media(struct tulip_softc *); 3940 static void tlp_nway_activate(struct tulip_softc *, int); 3941 static void tlp_get_minst(struct tulip_softc *); 3942 3943 static const struct tulip_srom_to_ifmedia * 3944 tlp_srom_to_ifmedia(uint8_t sm) 3945 { 3946 const struct tulip_srom_to_ifmedia *tsti; 3947 3948 for (tsti = tulip_srom_to_ifmedia_table; 3949 tsti->tsti_name != NULL; tsti++) { 3950 if (tsti->tsti_srom == sm) 3951 return (tsti); 3952 } 3953 3954 return (NULL); 3955 } 3956 3957 static void 3958 tlp_srom_media_info(struct tulip_softc *sc, 3959 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 3960 { 3961 3962 tm->tm_name = tsti->tsti_name; 3963 tm->tm_opmode = tsti->tsti_opmode; 3964 3965 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3966 3967 switch (sc->sc_chip) { 3968 case TULIP_CHIP_DE425: 3969 case TULIP_CHIP_21040: 3970 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3971 break; 3972 3973 case TULIP_CHIP_21041: 3974 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3975 break; 3976 3977 case TULIP_CHIP_21142: 3978 case TULIP_CHIP_21143: 3979 case TULIP_CHIP_82C115: 3980 case TULIP_CHIP_MX98715: 3981 case TULIP_CHIP_MX98715A: 3982 case TULIP_CHIP_MX98715AEC_X: 3983 case TULIP_CHIP_MX98725: 3984 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3985 break; 3986 3987 default: 3988 /* Nothing. */ 3989 break; 3990 } 3991 } 3992 3993 static void 3994 tlp_add_srom_media(struct tulip_softc *sc, int type, 3995 void (*get)(struct tulip_softc *, struct ifmediareq *), 3996 int (*set)(struct tulip_softc *), const uint8_t *list, 3997 int cnt) 3998 { 3999 struct tulip_21x4x_media *tm; 4000 const struct tulip_srom_to_ifmedia *tsti; 4001 int i; 4002 4003 for (i = 0; i < cnt; i++) { 4004 tsti = tlp_srom_to_ifmedia(list[i]); 4005 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4006 tlp_srom_media_info(sc, tsti, tm); 4007 tm->tm_type = type; 4008 tm->tm_get = get; 4009 tm->tm_set = set; 4010 4011 ifmedia_add(&sc->sc_mii.mii_media, 4012 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4013 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4014 } 4015 } 4016 4017 static void 4018 tlp_print_media(struct tulip_softc *sc) 4019 { 4020 struct ifmedia_entry *ife; 4021 struct tulip_21x4x_media *tm; 4022 const char *sep = ""; 4023 4024 #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " 4025 4026 aprint_normal_dev(sc->sc_dev, ""); 4027 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { 4028 tm = ife->ifm_aux; 4029 if (tm == NULL) { 4030 #ifdef DIAGNOSTIC 4031 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4032 panic("tlp_print_media"); 4033 #endif 4034 PRINT("auto"); 4035 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4036 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4037 PRINT(tm->tm_name); 4038 } 4039 } 4040 aprint_normal("\n"); 4041 4042 #undef PRINT 4043 } 4044 4045 static void 4046 tlp_nway_activate(struct tulip_softc *sc, int media) 4047 { 4048 struct ifmedia_entry *ife; 4049 4050 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4051 #ifdef DIAGNOSTIC 4052 if (ife == NULL) 4053 panic("tlp_nway_activate"); 4054 #endif 4055 sc->sc_nway_active = ife; 4056 } 4057 4058 static void 4059 tlp_get_minst(struct tulip_softc *sc) 4060 { 4061 4062 if ((sc->sc_media_seen & 4063 ~((1 << TULIP_ROM_MB_21140_MII) | 4064 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4065 /* 4066 * We have not yet seen any SIA/SYM media (but are 4067 * about to; that's why we're called!), so assign 4068 * the current media instance to be the `internal media' 4069 * instance, and advance it so any MII media gets a 4070 * fresh one (used to selecting/isolating a PHY). 4071 */ 4072 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4073 } 4074 } 4075 4076 /* 4077 * SIA Utility functions. 4078 */ 4079 static void tlp_sia_update_link(struct tulip_softc *); 4080 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4081 static int tlp_sia_set(struct tulip_softc *); 4082 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4083 static void tlp_sia_fixup(struct tulip_softc *); 4084 4085 static void 4086 tlp_sia_update_link(struct tulip_softc *sc) 4087 { 4088 struct ifmedia_entry *ife; 4089 struct tulip_21x4x_media *tm; 4090 uint32_t siastat; 4091 4092 ife = TULIP_CURRENT_MEDIA(sc); 4093 tm = ife->ifm_aux; 4094 4095 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4096 4097 siastat = TULIP_READ(sc, CSR_SIASTAT); 4098 4099 /* 4100 * Note that when we do SIA link tests, we are assuming that 4101 * the chip is really in the mode that the current media setting 4102 * reflects. If we're not, then the link tests will not be 4103 * accurate! 4104 */ 4105 switch (IFM_SUBTYPE(ife->ifm_media)) { 4106 case IFM_10_T: 4107 sc->sc_flags |= TULIPF_LINK_VALID; 4108 if ((siastat & SIASTAT_LS10) == 0) 4109 sc->sc_flags |= TULIPF_LINK_UP; 4110 break; 4111 4112 case IFM_100_TX: 4113 case IFM_100_T4: 4114 sc->sc_flags |= TULIPF_LINK_VALID; 4115 if ((siastat & SIASTAT_LS100) == 0) 4116 sc->sc_flags |= TULIPF_LINK_UP; 4117 break; 4118 } 4119 4120 switch (sc->sc_chip) { 4121 case TULIP_CHIP_21142: 4122 case TULIP_CHIP_21143: 4123 /* 4124 * On these chips, we can tell more information about 4125 * AUI/BNC. Note that the AUI/BNC selection is made 4126 * in a different register; for our purpose, it's all 4127 * AUI. 4128 */ 4129 switch (IFM_SUBTYPE(ife->ifm_media)) { 4130 case IFM_10_2: 4131 case IFM_10_5: 4132 sc->sc_flags |= TULIPF_LINK_VALID; 4133 if (siastat & SIASTAT_ARA) { 4134 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4135 sc->sc_flags |= TULIPF_LINK_UP; 4136 } 4137 break; 4138 4139 default: 4140 /* 4141 * If we're SYM media and can detect the link 4142 * via the GPIO facility, prefer that status 4143 * over LS100. 4144 */ 4145 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4146 tm->tm_actmask != 0) { 4147 sc->sc_flags = (sc->sc_flags & 4148 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4149 if (TULIP_ISSET(sc, CSR_SIAGEN, 4150 tm->tm_actmask) == tm->tm_actdata) 4151 sc->sc_flags |= TULIPF_LINK_UP; 4152 } 4153 } 4154 break; 4155 4156 default: 4157 /* Nothing. */ 4158 break; 4159 } 4160 } 4161 4162 static void 4163 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4164 { 4165 struct ifmedia_entry *ife; 4166 4167 ifmr->ifm_status = 0; 4168 4169 tlp_sia_update_link(sc); 4170 4171 ife = TULIP_CURRENT_MEDIA(sc); 4172 4173 if (sc->sc_flags & TULIPF_LINK_VALID) 4174 ifmr->ifm_status |= IFM_AVALID; 4175 if (sc->sc_flags & TULIPF_LINK_UP) 4176 ifmr->ifm_status |= IFM_ACTIVE; 4177 ifmr->ifm_active = ife->ifm_media; 4178 } 4179 4180 static void 4181 tlp_sia_fixup(struct tulip_softc *sc) 4182 { 4183 struct ifmedia_entry *ife; 4184 struct tulip_21x4x_media *tm; 4185 uint32_t siaconn, siatxrx, siagen; 4186 4187 switch (sc->sc_chip) { 4188 case TULIP_CHIP_82C115: 4189 case TULIP_CHIP_MX98713A: 4190 case TULIP_CHIP_MX98715: 4191 case TULIP_CHIP_MX98715A: 4192 case TULIP_CHIP_MX98715AEC_X: 4193 case TULIP_CHIP_MX98725: 4194 siaconn = PMAC_SIACONN_MASK; 4195 siatxrx = PMAC_SIATXRX_MASK; 4196 siagen = PMAC_SIAGEN_MASK; 4197 break; 4198 4199 default: 4200 /* No fixups required on any other chips. */ 4201 return; 4202 } 4203 4204 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { 4205 tm = ife->ifm_aux; 4206 if (tm == NULL) 4207 continue; 4208 4209 tm->tm_siaconn &= siaconn; 4210 tm->tm_siatxrx &= siatxrx; 4211 tm->tm_siagen &= siagen; 4212 } 4213 } 4214 4215 static int 4216 tlp_sia_set(struct tulip_softc *sc) 4217 { 4218 4219 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4220 } 4221 4222 static int 4223 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4224 { 4225 struct tulip_21x4x_media *tm; 4226 4227 tm = ife->ifm_aux; 4228 4229 /* 4230 * XXX This appears to be necessary on a bunch of the clone chips. 4231 */ 4232 delay(20000); 4233 4234 /* 4235 * Idle the chip. 4236 */ 4237 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4238 4239 /* 4240 * Program the SIA. It's important to write in this order, 4241 * resetting the SIA first. 4242 */ 4243 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4244 delay(1000); 4245 4246 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4247 4248 switch (sc->sc_chip) { 4249 case TULIP_CHIP_21142: 4250 case TULIP_CHIP_21143: 4251 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4252 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4253 break; 4254 default: 4255 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4256 } 4257 4258 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4259 4260 /* 4261 * Set the OPMODE bits for this media and write OPMODE. 4262 * This will resume the transmit and receive processes. 4263 */ 4264 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4265 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4266 4267 return (0); 4268 } 4269 4270 /* 4271 * 21140 GPIO utility functions. 4272 */ 4273 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4274 4275 static void 4276 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4277 { 4278 struct ifmedia_entry *ife; 4279 struct tulip_21x4x_media *tm; 4280 4281 ife = TULIP_CURRENT_MEDIA(sc); 4282 tm = ife->ifm_aux; 4283 4284 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4285 4286 if (tm->tm_actmask != 0) { 4287 sc->sc_flags |= TULIPF_LINK_VALID; 4288 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4289 tm->tm_actdata) 4290 sc->sc_flags |= TULIPF_LINK_UP; 4291 } 4292 } 4293 4294 void 4295 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4296 { 4297 struct ifmedia_entry *ife; 4298 4299 ifmr->ifm_status = 0; 4300 4301 tlp_21140_gpio_update_link(sc); 4302 4303 ife = TULIP_CURRENT_MEDIA(sc); 4304 4305 if (sc->sc_flags & TULIPF_LINK_VALID) 4306 ifmr->ifm_status |= IFM_AVALID; 4307 if (sc->sc_flags & TULIPF_LINK_UP) 4308 ifmr->ifm_status |= IFM_ACTIVE; 4309 ifmr->ifm_active = ife->ifm_media; 4310 } 4311 4312 int 4313 tlp_21140_gpio_set(struct tulip_softc *sc) 4314 { 4315 struct ifmedia_entry *ife; 4316 struct tulip_21x4x_media *tm; 4317 4318 ife = TULIP_CURRENT_MEDIA(sc); 4319 tm = ife->ifm_aux; 4320 4321 /* 4322 * Idle the chip. 4323 */ 4324 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4325 4326 /* 4327 * Set the GPIO pins for this media, to flip any 4328 * relays, etc. 4329 */ 4330 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4331 delay(10); 4332 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4333 4334 /* 4335 * Set the OPMODE bits for this media and write OPMODE. 4336 * This will resume the transmit and receive processes. 4337 */ 4338 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4339 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4340 4341 return (0); 4342 } 4343 4344 /* 4345 * 21040 and 21041 media switches. 4346 */ 4347 static void tlp_21040_tmsw_init(struct tulip_softc *); 4348 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4349 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4350 static void tlp_21041_tmsw_init(struct tulip_softc *); 4351 4352 const struct tulip_mediasw tlp_21040_mediasw = { 4353 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4354 }; 4355 4356 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4357 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4358 }; 4359 4360 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4361 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4362 }; 4363 4364 const struct tulip_mediasw tlp_21041_mediasw = { 4365 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4366 }; 4367 4368 static void 4369 tlp_21040_tmsw_init(struct tulip_softc *sc) 4370 { 4371 static const uint8_t media[] = { 4372 TULIP_ROM_MB_MEDIA_TP, 4373 TULIP_ROM_MB_MEDIA_TP_FDX, 4374 TULIP_ROM_MB_MEDIA_AUI, 4375 }; 4376 struct tulip_21x4x_media *tm; 4377 4378 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4379 tlp_mediastatus); 4380 4381 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4382 4383 /* 4384 * No SROM type for External SIA. 4385 */ 4386 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4387 tm->tm_name = "manual"; 4388 tm->tm_opmode = 0; 4389 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4390 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4391 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4392 ifmedia_add(&sc->sc_mii.mii_media, 4393 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4394 4395 /* 4396 * XXX Autosense not yet supported. 4397 */ 4398 4399 /* XXX This should be auto-sense. */ 4400 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4401 4402 tlp_print_media(sc); 4403 } 4404 4405 static void 4406 tlp_21040_tp_tmsw_init(struct tulip_softc *sc) 4407 { 4408 static const uint8_t media[] = { 4409 TULIP_ROM_MB_MEDIA_TP, 4410 TULIP_ROM_MB_MEDIA_TP_FDX, 4411 }; 4412 4413 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4414 tlp_mediastatus); 4415 4416 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4417 4418 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4419 4420 tlp_print_media(sc); 4421 } 4422 4423 static void 4424 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4425 { 4426 static const uint8_t media[] = { 4427 TULIP_ROM_MB_MEDIA_AUI, 4428 }; 4429 4430 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4431 tlp_mediastatus); 4432 4433 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4434 4435 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4436 4437 tlp_print_media(sc); 4438 } 4439 4440 static void 4441 tlp_21041_tmsw_init(struct tulip_softc *sc) 4442 { 4443 static const uint8_t media[] = { 4444 TULIP_ROM_MB_MEDIA_TP, 4445 TULIP_ROM_MB_MEDIA_TP_FDX, 4446 TULIP_ROM_MB_MEDIA_BNC, 4447 TULIP_ROM_MB_MEDIA_AUI, 4448 }; 4449 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4450 const struct tulip_srom_to_ifmedia *tsti; 4451 struct tulip_21x4x_media *tm; 4452 uint16_t romdef; 4453 uint8_t mb; 4454 4455 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4456 tlp_mediastatus); 4457 4458 if (tlp_isv_srom(sc->sc_srom) == 0) { 4459 not_isv_srom: 4460 /* 4461 * If we have a board without the standard 21041 SROM format, 4462 * we just assume all media are present and try and pick a 4463 * reasonable default. 4464 */ 4465 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4466 4467 /* 4468 * XXX Autosense not yet supported. 4469 */ 4470 4471 /* XXX This should be auto-sense. */ 4472 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4473 4474 tlp_print_media(sc); 4475 return; 4476 } 4477 4478 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4479 for (i = 0; i < devcnt; i++) { 4480 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4481 break; 4482 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4483 sc->sc_devno) 4484 break; 4485 } 4486 4487 if (i == devcnt) 4488 goto not_isv_srom; 4489 4490 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4491 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4492 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4493 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4494 4495 for (; m_cnt != 0; 4496 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4497 mb = sc->sc_srom[mb_offset]; 4498 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4499 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4500 case TULIP_ROM_MB_MEDIA_TP_FDX: 4501 case TULIP_ROM_MB_MEDIA_TP: 4502 case TULIP_ROM_MB_MEDIA_BNC: 4503 case TULIP_ROM_MB_MEDIA_AUI: 4504 tsti = tlp_srom_to_ifmedia(mb & 4505 TULIP_ROM_MB_MEDIA_CODE); 4506 4507 tlp_srom_media_info(sc, tsti, tm); 4508 4509 /* 4510 * Override our default SIA settings if the 4511 * SROM contains its own. 4512 */ 4513 if (mb & TULIP_ROM_MB_EXT) { 4514 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4515 mb_offset + TULIP_ROM_MB_CSR13); 4516 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4517 mb_offset + TULIP_ROM_MB_CSR14); 4518 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4519 mb_offset + TULIP_ROM_MB_CSR15); 4520 } 4521 4522 ifmedia_add(&sc->sc_mii.mii_media, 4523 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4524 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4525 break; 4526 4527 default: 4528 aprint_error_dev(sc->sc_dev, 4529 "unknown media code 0x%02x\n", 4530 mb & TULIP_ROM_MB_MEDIA_CODE); 4531 free(tm, M_DEVBUF); 4532 } 4533 } 4534 4535 /* 4536 * XXX Autosense not yet supported. 4537 */ 4538 4539 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4540 TULIP_ROM_IL_SELECT_CONN_TYPE); 4541 switch (romdef) { 4542 case SELECT_CONN_TYPE_TP: 4543 case SELECT_CONN_TYPE_TP_AUTONEG: 4544 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4545 defmedia = IFM_ETHER|IFM_10_T; 4546 break; 4547 4548 case SELECT_CONN_TYPE_TP_FDX: 4549 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4550 break; 4551 4552 case SELECT_CONN_TYPE_BNC: 4553 defmedia = IFM_ETHER|IFM_10_2; 4554 break; 4555 4556 case SELECT_CONN_TYPE_AUI: 4557 defmedia = IFM_ETHER|IFM_10_5; 4558 break; 4559 #if 0 /* XXX */ 4560 case SELECT_CONN_TYPE_ASENSE: 4561 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4562 defmedia = IFM_ETHER|IFM_AUTO; 4563 break; 4564 #endif 4565 default: 4566 defmedia = 0; 4567 } 4568 4569 if (defmedia == 0) { 4570 /* 4571 * XXX We should default to auto-sense. 4572 */ 4573 defmedia = IFM_ETHER|IFM_10_T; 4574 } 4575 4576 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4577 4578 tlp_print_media(sc); 4579 } 4580 4581 /* 4582 * DECchip 2114x ISV media switch. 4583 */ 4584 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4585 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4586 struct ifmediareq *); 4587 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4588 4589 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4590 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4591 }; 4592 4593 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4594 static int tlp_2114x_nway_set(struct tulip_softc *); 4595 4596 static void tlp_2114x_nway_statchg(device_t); 4597 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4598 static void tlp_2114x_nway_auto(struct tulip_softc *); 4599 static void tlp_2114x_nway_status(struct tulip_softc *); 4600 4601 static void 4602 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4603 { 4604 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4605 struct ifmedia_entry *ife; 4606 struct mii_softc *phy; 4607 struct tulip_21x4x_media *tm; 4608 const struct tulip_srom_to_ifmedia *tsti; 4609 int i, devcnt, leaf_offset, m_cnt, type, length; 4610 int defmedia, miidef; 4611 uint16_t word; 4612 uint8_t *cp, *ncp; 4613 4614 defmedia = miidef = 0; 4615 4616 sc->sc_mii.mii_ifp = ifp; 4617 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4618 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4619 sc->sc_mii.mii_statchg = sc->sc_statchg; 4620 4621 /* 4622 * Ignore `instance'; we may get a mixture of SIA and MII 4623 * media, and `instance' is used to isolate or select the 4624 * PHY on the MII as appropriate. Note that duplicate media 4625 * are disallowed, so ignoring `instance' is safe. 4626 */ 4627 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4628 tlp_mediastatus); 4629 4630 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4631 for (i = 0; i < devcnt; i++) { 4632 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4633 break; 4634 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4635 sc->sc_devno) 4636 break; 4637 } 4638 4639 if (i == devcnt) { 4640 aprint_error_dev(sc->sc_dev, "unable to locate info leaf in SROM\n"); 4641 return; 4642 } 4643 4644 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4645 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4646 4647 /* XXX SELECT CONN TYPE */ 4648 4649 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4650 4651 /* 4652 * On some chips, the first thing in the Info Leaf is the 4653 * GPIO pin direction data. 4654 */ 4655 switch (sc->sc_chip) { 4656 case TULIP_CHIP_21140: 4657 case TULIP_CHIP_21140A: 4658 case TULIP_CHIP_MX98713: 4659 case TULIP_CHIP_AX88140: 4660 case TULIP_CHIP_AX88141: 4661 sc->sc_gp_dir = *cp++; 4662 break; 4663 4664 default: 4665 /* Nothing. */ 4666 break; 4667 } 4668 4669 /* Get the media count. */ 4670 m_cnt = *cp++; 4671 4672 if (m_cnt == 0) { 4673 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4674 (*sc->sc_mediasw->tmsw_init)(sc); 4675 return; 4676 } 4677 4678 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4679 /* 4680 * Determine the type and length of this media block. 4681 * The 21143 is spec'd to always use extended format blocks, 4682 * but some cards don't set the bit to indicate this. 4683 * Hopefully there are no cards which really don't use 4684 * extended format blocks. 4685 */ 4686 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4687 length = 4; 4688 type = TULIP_ROM_MB_21140_GPR; 4689 } else { 4690 length = (*cp++ & 0x7f) - 1; 4691 type = *cp++ & 0x3f; 4692 } 4693 4694 /* Compute the start of the next block. */ 4695 ncp = cp + length; 4696 4697 /* Now, parse the block. */ 4698 switch (type) { 4699 case TULIP_ROM_MB_21140_GPR: 4700 tlp_get_minst(sc); 4701 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4702 4703 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4704 4705 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4706 tm->tm_get = tlp_21140_gpio_get; 4707 tm->tm_set = tlp_21140_gpio_set; 4708 4709 /* First is the media type code. */ 4710 tsti = tlp_srom_to_ifmedia(cp[0] & 4711 TULIP_ROM_MB_MEDIA_CODE); 4712 if (tsti == NULL) { 4713 /* Invalid media code. */ 4714 free(tm, M_DEVBUF); 4715 break; 4716 } 4717 4718 /* Get defaults. */ 4719 tlp_srom_media_info(sc, tsti, tm); 4720 4721 /* Next is any GPIO info for this media. */ 4722 tm->tm_gpdata = cp[1]; 4723 4724 /* 4725 * Next is a word containing OPMODE information 4726 * and info on how to detect if this media is 4727 * active. 4728 */ 4729 word = TULIP_ROM_GETW(cp, 2); 4730 tm->tm_opmode &= OPMODE_FD; 4731 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4732 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4733 tm->tm_actmask = 4734 TULIP_ROM_MB_BITPOS(word); 4735 tm->tm_actdata = 4736 (word & TULIP_ROM_MB_POLARITY) ? 4737 0 : tm->tm_actmask; 4738 } 4739 4740 ifmedia_add(&sc->sc_mii.mii_media, 4741 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4742 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4743 break; 4744 4745 case TULIP_ROM_MB_21140_MII: 4746 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4747 4748 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4749 4750 tm->tm_type = TULIP_ROM_MB_21140_MII; 4751 tm->tm_get = tlp_mii_getmedia; 4752 tm->tm_set = tlp_mii_setmedia; 4753 tm->tm_opmode = OPMODE_PS; 4754 4755 if (sc->sc_reset == NULL) 4756 sc->sc_reset = tlp_21140_reset; 4757 4758 /* First is the PHY number. */ 4759 tm->tm_phyno = *cp++; 4760 4761 /* Next is the MII select sequence length and offset. */ 4762 tm->tm_gp_length = *cp++; 4763 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4764 cp += tm->tm_gp_length; 4765 4766 /* Next is the MII reset sequence length and offset. */ 4767 tm->tm_reset_length = *cp++; 4768 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4769 cp += tm->tm_reset_length; 4770 4771 /* 4772 * The following items are left in the media block 4773 * that we don't particularly care about: 4774 * 4775 * capabilities W 4776 * advertisement W 4777 * full duplex W 4778 * tx threshold W 4779 * 4780 * These appear to be bits in the PHY registers, 4781 * which our MII code handles on its own. 4782 */ 4783 4784 /* 4785 * Before we probe the MII bus, we need to reset 4786 * it and issue the selection sequence. 4787 */ 4788 4789 /* Set the direction of the pins... */ 4790 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4791 4792 for (i = 0; i < tm->tm_reset_length; i++) { 4793 delay(10); 4794 TULIP_WRITE(sc, CSR_GPP, 4795 sc->sc_srom[tm->tm_reset_offset + i]); 4796 } 4797 4798 for (i = 0; i < tm->tm_gp_length; i++) { 4799 delay(10); 4800 TULIP_WRITE(sc, CSR_GPP, 4801 sc->sc_srom[tm->tm_gp_offset + i]); 4802 } 4803 4804 /* If there were no sequences, just lower the pins. */ 4805 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4806 delay(10); 4807 TULIP_WRITE(sc, CSR_GPP, 0); 4808 } 4809 4810 /* 4811 * Now, probe the MII for the PHY. Note, we know 4812 * the location of the PHY on the bus, but we don't 4813 * particularly care; the MII code just likes to 4814 * search the whole thing anyhow. 4815 */ 4816 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 4817 MII_PHY_ANY, tm->tm_phyno, 0); 4818 4819 /* 4820 * Now, search for the PHY we hopefully just 4821 * configured. If it's not configured into the 4822 * kernel, we lose. The PHY's default media always 4823 * takes priority. 4824 */ 4825 LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { 4826 if (phy->mii_offset == tm->tm_phyno) 4827 break; 4828 } 4829 if (phy == NULL) { 4830 aprint_error_dev(sc->sc_dev, "unable to configure MII\n"); 4831 break; 4832 } 4833 4834 sc->sc_flags |= TULIPF_HAS_MII; 4835 sc->sc_tick = tlp_mii_tick; 4836 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4837 phy->mii_inst); 4838 4839 /* 4840 * Okay, now that we've found the PHY and the MII 4841 * layer has added all of the media associated 4842 * with that PHY, we need to traverse the media 4843 * list, and add our `tm' to each entry's `aux' 4844 * pointer. 4845 * 4846 * We do this by looking for media with our 4847 * PHY's `instance'. 4848 */ 4849 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, 4850 ifm_list) { 4851 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4852 continue; 4853 ife->ifm_aux = tm; 4854 } 4855 break; 4856 4857 case TULIP_ROM_MB_21142_SIA: 4858 tlp_get_minst(sc); 4859 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4860 4861 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4862 4863 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4864 tm->tm_get = tlp_sia_get; 4865 tm->tm_set = tlp_sia_set; 4866 4867 /* First is the media type code. */ 4868 tsti = tlp_srom_to_ifmedia(cp[0] & 4869 TULIP_ROM_MB_MEDIA_CODE); 4870 if (tsti == NULL) { 4871 /* Invalid media code. */ 4872 free(tm, M_DEVBUF); 4873 break; 4874 } 4875 4876 /* Get defaults. */ 4877 tlp_srom_media_info(sc, tsti, tm); 4878 4879 /* 4880 * Override our default SIA settings if the 4881 * SROM contains its own. 4882 */ 4883 if (cp[0] & 0x40) { 4884 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4885 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4886 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4887 cp += 7; 4888 } else 4889 cp++; 4890 4891 /* Next is GPIO control/data. */ 4892 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4893 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4894 4895 ifmedia_add(&sc->sc_mii.mii_media, 4896 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4897 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4898 break; 4899 4900 case TULIP_ROM_MB_21142_MII: 4901 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4902 4903 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4904 4905 tm->tm_type = TULIP_ROM_MB_21142_MII; 4906 tm->tm_get = tlp_mii_getmedia; 4907 tm->tm_set = tlp_mii_setmedia; 4908 tm->tm_opmode = OPMODE_PS; 4909 4910 if (sc->sc_reset == NULL) 4911 sc->sc_reset = tlp_21142_reset; 4912 4913 /* First is the PHY number. */ 4914 tm->tm_phyno = *cp++; 4915 4916 /* Next is the MII select sequence length and offset. */ 4917 tm->tm_gp_length = *cp++; 4918 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4919 cp += tm->tm_gp_length * 2; 4920 4921 /* Next is the MII reset sequence length and offset. */ 4922 tm->tm_reset_length = *cp++; 4923 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4924 cp += tm->tm_reset_length * 2; 4925 4926 /* 4927 * The following items are left in the media block 4928 * that we don't particularly care about: 4929 * 4930 * capabilities W 4931 * advertisement W 4932 * full duplex W 4933 * tx threshold W 4934 * MII interrupt W 4935 * 4936 * These appear to be bits in the PHY registers, 4937 * which our MII code handles on its own. 4938 */ 4939 4940 /* 4941 * Before we probe the MII bus, we need to reset 4942 * it and issue the selection sequence. 4943 */ 4944 4945 cp = &sc->sc_srom[tm->tm_reset_offset]; 4946 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4947 delay(10); 4948 TULIP_WRITE(sc, CSR_SIAGEN, 4949 TULIP_ROM_GETW(cp, 0) << 16); 4950 } 4951 4952 cp = &sc->sc_srom[tm->tm_gp_offset]; 4953 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4954 delay(10); 4955 TULIP_WRITE(sc, CSR_SIAGEN, 4956 TULIP_ROM_GETW(cp, 0) << 16); 4957 } 4958 4959 /* If there were no sequences, just lower the pins. */ 4960 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4961 delay(10); 4962 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4963 } 4964 4965 /* 4966 * Now, probe the MII for the PHY. Note, we know 4967 * the location of the PHY on the bus, but we don't 4968 * particularly care; the MII code just likes to 4969 * search the whole thing anyhow. 4970 */ 4971 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 4972 MII_PHY_ANY, tm->tm_phyno, 0); 4973 4974 /* 4975 * Now, search for the PHY we hopefully just 4976 * configured. If it's not configured into the 4977 * kernel, we lose. The PHY's default media always 4978 * takes priority. 4979 */ 4980 LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { 4981 if (phy->mii_offset == tm->tm_phyno) 4982 break; 4983 } 4984 if (phy == NULL) { 4985 aprint_error_dev(sc->sc_dev, "unable to configure MII\n"); 4986 break; 4987 } 4988 4989 sc->sc_flags |= TULIPF_HAS_MII; 4990 sc->sc_tick = tlp_mii_tick; 4991 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4992 phy->mii_inst); 4993 4994 /* 4995 * Okay, now that we've found the PHY and the MII 4996 * layer has added all of the media associated 4997 * with that PHY, we need to traverse the media 4998 * list, and add our `tm' to each entry's `aux' 4999 * pointer. 5000 * 5001 * We do this by looking for media with our 5002 * PHY's `instance'. 5003 */ 5004 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, 5005 ifm_list) { 5006 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 5007 continue; 5008 ife->ifm_aux = tm; 5009 } 5010 break; 5011 5012 case TULIP_ROM_MB_21143_SYM: 5013 tlp_get_minst(sc); 5014 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5015 5016 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5017 5018 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5019 tm->tm_get = tlp_sia_get; 5020 tm->tm_set = tlp_sia_set; 5021 5022 /* First is the media type code. */ 5023 tsti = tlp_srom_to_ifmedia(cp[0] & 5024 TULIP_ROM_MB_MEDIA_CODE); 5025 if (tsti == NULL) { 5026 /* Invalid media code. */ 5027 free(tm, M_DEVBUF); 5028 break; 5029 } 5030 5031 /* Get defaults. */ 5032 tlp_srom_media_info(sc, tsti, tm); 5033 5034 /* Next is GPIO control/data. */ 5035 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5036 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5037 5038 /* 5039 * Next is a word containing OPMODE information 5040 * and info on how to detect if this media is 5041 * active. 5042 */ 5043 word = TULIP_ROM_GETW(cp, 5); 5044 tm->tm_opmode &= OPMODE_FD; 5045 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5046 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5047 tm->tm_actmask = 5048 TULIP_ROM_MB_BITPOS(word); 5049 tm->tm_actdata = 5050 (word & TULIP_ROM_MB_POLARITY) ? 5051 0 : tm->tm_actmask; 5052 } 5053 5054 ifmedia_add(&sc->sc_mii.mii_media, 5055 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5056 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5057 break; 5058 5059 case TULIP_ROM_MB_21143_RESET: 5060 aprint_normal_dev(sc->sc_dev, "21143 reset block\n"); 5061 break; 5062 5063 default: 5064 aprint_error_dev(sc->sc_dev, 5065 "unknown ISV media block type 0x%02x\n", type); 5066 } 5067 } 5068 5069 /* 5070 * Deal with the case where no media is configured. 5071 */ 5072 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5073 aprint_error_dev(sc->sc_dev, "no media found!\n"); 5074 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5075 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5076 return; 5077 } 5078 5079 /* 5080 * Pick the default media. 5081 */ 5082 if (miidef != 0) 5083 defmedia = miidef; 5084 else { 5085 switch (sc->sc_chip) { 5086 case TULIP_CHIP_21140: 5087 case TULIP_CHIP_21140A: 5088 /* XXX should come from SROM */ 5089 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5090 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5091 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5092 /* 5093 * There is not a 10baseT media. 5094 * Fall back to the first found one. 5095 */ 5096 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5097 defmedia = ife->ifm_media; 5098 } 5099 break; 5100 5101 case TULIP_CHIP_21142: 5102 case TULIP_CHIP_21143: 5103 case TULIP_CHIP_MX98713A: 5104 case TULIP_CHIP_MX98715: 5105 case TULIP_CHIP_MX98715A: 5106 case TULIP_CHIP_MX98715AEC_X: 5107 case TULIP_CHIP_MX98725: 5108 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5109 tm->tm_name = "auto"; 5110 tm->tm_get = tlp_2114x_nway_get; 5111 tm->tm_set = tlp_2114x_nway_set; 5112 5113 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5114 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5115 5116 sc->sc_statchg = tlp_2114x_nway_statchg; 5117 sc->sc_tick = tlp_2114x_nway_tick; 5118 break; 5119 5120 default: 5121 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5122 break; 5123 } 5124 } 5125 5126 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5127 5128 /* 5129 * Display any non-MII media we've located. 5130 */ 5131 if (sc->sc_media_seen & 5132 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5133 tlp_print_media(sc); 5134 5135 tlp_sia_fixup(sc); 5136 } 5137 5138 static void 5139 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5140 { 5141 5142 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5143 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5144 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5145 } 5146 5147 static int 5148 tlp_2114x_nway_set(struct tulip_softc *sc) 5149 { 5150 5151 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5152 } 5153 5154 static void 5155 tlp_2114x_nway_statchg(device_t self) 5156 { 5157 struct tulip_softc *sc = device_private(self); 5158 struct mii_data *mii = &sc->sc_mii; 5159 struct ifmedia_entry *ife; 5160 5161 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5162 return; 5163 5164 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5165 mii->mii_media.ifm_mask)) == NULL) { 5166 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5167 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5168 panic("tlp_2114x_nway_statchg"); 5169 } 5170 5171 tlp_sia_media(sc, ife); 5172 } 5173 5174 static void 5175 tlp_2114x_nway_tick(void *arg) 5176 { 5177 struct tulip_softc *sc = arg; 5178 struct mii_data *mii = &sc->sc_mii; 5179 int s, ticks; 5180 5181 if (!device_is_active(sc->sc_dev)) 5182 return; 5183 5184 s = splnet(); 5185 tlp_2114x_nway_service(sc, MII_TICK); 5186 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5187 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5188 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5189 sc->sc_flags |= TULIPF_LINK_UP; 5190 tlp_start(&sc->sc_ethercom.ec_if); 5191 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5192 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5193 sc->sc_flags &= ~TULIPF_LINK_UP; 5194 } 5195 splx(s); 5196 5197 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5198 ticks = hz >> 3; 5199 else 5200 ticks = hz; 5201 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5202 } 5203 5204 /* 5205 * Support for the 2114X internal NWay block. This is constructed 5206 * somewhat like a PHY driver for simplicity. 5207 */ 5208 5209 static int 5210 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5211 { 5212 struct mii_data *mii = &sc->sc_mii; 5213 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5214 5215 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5216 return (0); 5217 5218 switch (cmd) { 5219 case MII_POLLSTAT: 5220 /* Nothing special to do here. */ 5221 break; 5222 5223 case MII_MEDIACHG: 5224 switch (IFM_SUBTYPE(ife->ifm_media)) { 5225 case IFM_AUTO: 5226 goto restart; 5227 default: 5228 /* Manual setting doesn't go through here. */ 5229 printf("tlp_2114x_nway_service: oops!\n"); 5230 return (EINVAL); 5231 } 5232 break; 5233 5234 case MII_TICK: 5235 /* 5236 * Only used for autonegotiation. 5237 */ 5238 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5239 break; 5240 5241 /* 5242 * Check to see if we have link. If we do, we don't 5243 * need to restart the autonegotiation process. 5244 */ 5245 #if 0 5246 if (mii->mii_media_status & IFM_ACTIVE) 5247 #else 5248 if (sc->sc_flags & TULIPF_LINK_UP) 5249 #endif 5250 break; 5251 5252 /* 5253 * Only retry autonegotiation every 5 seconds. 5254 */ 5255 if (++sc->sc_nway_ticks != (5 << 3)) 5256 break; 5257 5258 restart: 5259 sc->sc_nway_ticks = 0; 5260 ife->ifm_data = IFM_NONE; 5261 tlp_2114x_nway_auto(sc); 5262 break; 5263 } 5264 5265 /* Update the media status. */ 5266 tlp_2114x_nway_status(sc); 5267 5268 /* 5269 * Callback if something changed. Manually configuration goes through 5270 * tlp_sia_set() anyway, so ignore that here. 5271 */ 5272 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5273 ife->ifm_data != mii->mii_media_active) { 5274 (*sc->sc_statchg)(sc->sc_dev); 5275 ife->ifm_data = mii->mii_media_active; 5276 } 5277 return (0); 5278 } 5279 5280 static void 5281 tlp_2114x_nway_auto(struct tulip_softc *sc) 5282 { 5283 uint32_t siastat, siatxrx; 5284 5285 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5286 5287 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5288 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5289 siatxrx = 0xffbf; /* XXX magic number */ 5290 5291 /* Compute the link code word to advertise. */ 5292 if (sc->sc_sia_cap & BMSR_100T4) 5293 siatxrx |= SIATXRX_T4; 5294 if (sc->sc_sia_cap & BMSR_100TXFDX) 5295 siatxrx |= SIATXRX_TXF; 5296 if (sc->sc_sia_cap & BMSR_100TXHDX) 5297 siatxrx |= SIATXRX_THX; 5298 if (sc->sc_sia_cap & BMSR_10TFDX) 5299 sc->sc_opmode |= OPMODE_FD; 5300 if (sc->sc_sia_cap & BMSR_10THDX) 5301 siatxrx |= SIATXRX_TH; 5302 5303 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5304 5305 TULIP_WRITE(sc, CSR_SIACONN, 0); 5306 delay(1000); 5307 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5308 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5309 5310 siastat = TULIP_READ(sc, CSR_SIASTAT); 5311 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5312 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5313 siastat |= SIASTAT_ANS_TXDIS; 5314 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5315 } 5316 5317 static void 5318 tlp_2114x_nway_status(struct tulip_softc *sc) 5319 { 5320 struct mii_data *mii = &sc->sc_mii; 5321 uint32_t siatxrx, siastat, anlpar; 5322 5323 mii->mii_media_status = IFM_AVALID; 5324 mii->mii_media_active = IFM_ETHER; 5325 5326 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5327 return; 5328 5329 siastat = TULIP_READ(sc, CSR_SIASTAT); 5330 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5331 5332 if (siatxrx & SIATXRX_ANE) { 5333 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5334 /* Erg, still trying, I guess... */ 5335 mii->mii_media_active |= IFM_NONE; 5336 return; 5337 } 5338 5339 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5340 mii->mii_media_status |= IFM_ACTIVE; 5341 5342 if (siastat & SIASTAT_LPN) { 5343 anlpar = SIASTAT_GETLPC(siastat); 5344 if (anlpar & ANLPAR_T4 && 5345 sc->sc_sia_cap & BMSR_100T4) 5346 mii->mii_media_active |= IFM_100_T4; 5347 else if (anlpar & ANLPAR_TX_FD && 5348 sc->sc_sia_cap & BMSR_100TXFDX) 5349 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5350 else if (anlpar & ANLPAR_TX && 5351 sc->sc_sia_cap & BMSR_100TXHDX) 5352 mii->mii_media_active |= IFM_100_TX; 5353 else if (anlpar & ANLPAR_10_FD && 5354 sc->sc_sia_cap & BMSR_10TFDX) 5355 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5356 else if (anlpar & ANLPAR_10 && 5357 sc->sc_sia_cap & BMSR_10THDX) 5358 mii->mii_media_active |= IFM_10_T; 5359 else 5360 mii->mii_media_active |= IFM_NONE; 5361 } else { 5362 /* 5363 * If the other side doesn't support NWAY, then the 5364 * best we can do is determine if we have a 10Mbps or 5365 * 100Mbps link. There's no way to know if the link 5366 * is full or half duplex, so we default to half duplex 5367 * and hope that the user is clever enough to manually 5368 * change the media settings if we're wrong. 5369 */ 5370 if ((siastat & SIASTAT_LS100) == 0) 5371 mii->mii_media_active |= IFM_100_TX; 5372 else if ((siastat & SIASTAT_LS10) == 0) 5373 mii->mii_media_active |= IFM_10_T; 5374 else 5375 mii->mii_media_active |= IFM_NONE; 5376 } 5377 } else { 5378 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5379 mii->mii_media_status |= IFM_ACTIVE; 5380 5381 if (sc->sc_opmode & OPMODE_TTM) 5382 mii->mii_media_active |= IFM_10_T; 5383 else 5384 mii->mii_media_active |= IFM_100_TX; 5385 if (sc->sc_opmode & OPMODE_FD) 5386 mii->mii_media_active |= IFM_FDX; 5387 } 5388 } 5389 5390 static void 5391 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5392 { 5393 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5394 struct tulip_21x4x_media *tm = ife->ifm_aux; 5395 5396 (*tm->tm_get)(sc, ifmr); 5397 } 5398 5399 static int 5400 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5401 { 5402 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5403 struct tulip_21x4x_media *tm = ife->ifm_aux; 5404 5405 /* 5406 * Check to see if we need to reset the chip, and do it. The 5407 * reset path will get the OPMODE register right the next 5408 * time through. 5409 */ 5410 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5411 return (tlp_init(&sc->sc_ethercom.ec_if)); 5412 5413 return ((*tm->tm_set)(sc)); 5414 } 5415 5416 /* 5417 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5418 */ 5419 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5420 5421 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5422 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5423 }; 5424 5425 static void 5426 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5427 { 5428 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5429 5430 /* 5431 * We don't attach any media info structures to the ifmedia 5432 * entries, so if we're using a pre-init function that needs 5433 * that info, override it to one that doesn't. 5434 */ 5435 if (sc->sc_preinit == tlp_2114x_preinit) 5436 sc->sc_preinit = tlp_2114x_mii_preinit; 5437 5438 sc->sc_mii.mii_ifp = ifp; 5439 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5440 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5441 sc->sc_mii.mii_statchg = sc->sc_statchg; 5442 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5443 tlp_mediastatus); 5444 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5445 MII_OFFSET_ANY, 0); 5446 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5447 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5448 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5449 } else { 5450 sc->sc_flags |= TULIPF_HAS_MII; 5451 sc->sc_tick = tlp_mii_tick; 5452 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5453 } 5454 } 5455 5456 /* 5457 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5458 */ 5459 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5460 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5461 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5462 5463 const struct tulip_mediasw tlp_pnic_mediasw = { 5464 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5465 }; 5466 5467 static void tlp_pnic_nway_statchg(device_t); 5468 static void tlp_pnic_nway_tick(void *); 5469 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5470 static void tlp_pnic_nway_reset(struct tulip_softc *); 5471 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5472 static void tlp_pnic_nway_auto_timeout(void *); 5473 static void tlp_pnic_nway_status(struct tulip_softc *); 5474 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5475 5476 static void 5477 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5478 { 5479 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5480 const char *sep = ""; 5481 5482 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5483 #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " 5484 5485 sc->sc_mii.mii_ifp = ifp; 5486 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5487 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5488 sc->sc_mii.mii_statchg = sc->sc_statchg; 5489 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5490 tlp_mediastatus); 5491 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5492 MII_OFFSET_ANY, 0); 5493 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5494 /* XXX What about AUI/BNC support? */ 5495 aprint_normal_dev(sc->sc_dev, ""); 5496 5497 tlp_pnic_nway_reset(sc); 5498 5499 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5500 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5501 PRINT("10baseT"); 5502 5503 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5504 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5505 PRINT("10baseT-FDX"); 5506 5507 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5508 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5509 PRINT("100baseTX"); 5510 5511 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5512 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5513 PNIC_NWAY_CAP100TXFDX); 5514 PRINT("100baseTX-FDX"); 5515 5516 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5517 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5518 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5519 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5520 PRINT("auto"); 5521 5522 aprint_normal("\n"); 5523 5524 sc->sc_statchg = tlp_pnic_nway_statchg; 5525 sc->sc_tick = tlp_pnic_nway_tick; 5526 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5527 } else { 5528 sc->sc_flags |= TULIPF_HAS_MII; 5529 sc->sc_tick = tlp_mii_tick; 5530 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5531 } 5532 5533 #undef ADD 5534 #undef PRINT 5535 } 5536 5537 static void 5538 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5539 { 5540 struct mii_data *mii = &sc->sc_mii; 5541 5542 if (sc->sc_flags & TULIPF_HAS_MII) 5543 tlp_mii_getmedia(sc, ifmr); 5544 else { 5545 mii->mii_media_status = 0; 5546 mii->mii_media_active = IFM_NONE; 5547 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5548 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5549 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5550 } 5551 } 5552 5553 static int 5554 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5555 { 5556 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5557 struct mii_data *mii = &sc->sc_mii; 5558 5559 if (sc->sc_flags & TULIPF_HAS_MII) { 5560 /* 5561 * Make sure the built-in Tx jabber timer is disabled. 5562 */ 5563 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5564 5565 return (tlp_mii_setmedia(sc)); 5566 } 5567 5568 if (ifp->if_flags & IFF_UP) { 5569 mii->mii_media_status = 0; 5570 mii->mii_media_active = IFM_NONE; 5571 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5572 } 5573 5574 return (0); 5575 } 5576 5577 static void 5578 tlp_pnic_nway_statchg(device_t self) 5579 { 5580 struct tulip_softc *sc = device_private(self); 5581 5582 /* Idle the transmit and receive processes. */ 5583 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5584 5585 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5586 OPMODE_SCR|OPMODE_HBD); 5587 5588 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5589 sc->sc_opmode |= OPMODE_TTM; 5590 TULIP_WRITE(sc, CSR_GPP, 5591 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5592 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5593 } else { 5594 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5595 TULIP_WRITE(sc, CSR_GPP, 5596 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5597 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5598 } 5599 5600 if (sc->sc_mii.mii_media_active & IFM_FDX) 5601 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5602 5603 /* 5604 * Write new OPMODE bits. This also restarts the transmit 5605 * and receive processes. 5606 */ 5607 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5608 } 5609 5610 static void 5611 tlp_pnic_nway_tick(void *arg) 5612 { 5613 struct tulip_softc *sc = arg; 5614 int s; 5615 5616 if (!device_is_active(sc->sc_dev)) 5617 return; 5618 5619 s = splnet(); 5620 tlp_pnic_nway_service(sc, MII_TICK); 5621 splx(s); 5622 5623 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5624 } 5625 5626 /* 5627 * Support for the Lite-On PNIC internal NWay block. This is constructed 5628 * somewhat like a PHY driver for simplicity. 5629 */ 5630 5631 static int 5632 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5633 { 5634 struct mii_data *mii = &sc->sc_mii; 5635 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5636 5637 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5638 return (0); 5639 5640 switch (cmd) { 5641 case MII_POLLSTAT: 5642 /* Nothing special to do here. */ 5643 break; 5644 5645 case MII_MEDIACHG: 5646 switch (IFM_SUBTYPE(ife->ifm_media)) { 5647 case IFM_AUTO: 5648 (void) tlp_pnic_nway_auto(sc, 1); 5649 break; 5650 case IFM_100_T4: 5651 /* 5652 * XXX Not supported as a manual setting right now. 5653 */ 5654 return (EINVAL); 5655 default: 5656 /* 5657 * NWAY register data is stored in the ifmedia entry. 5658 */ 5659 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5660 } 5661 break; 5662 5663 case MII_TICK: 5664 /* 5665 * Only used for autonegotiation. 5666 */ 5667 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5668 return (0); 5669 5670 /* 5671 * Check to see if we have link. If we do, we don't 5672 * need to restart the autonegotiation process. 5673 */ 5674 if (sc->sc_flags & TULIPF_LINK_UP) 5675 return (0); 5676 5677 /* 5678 * Only retry autonegotiation every 5 seconds. 5679 */ 5680 if (++sc->sc_nway_ticks != 5) 5681 return (0); 5682 5683 sc->sc_nway_ticks = 0; 5684 tlp_pnic_nway_reset(sc); 5685 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5686 return (0); 5687 break; 5688 } 5689 5690 /* Update the media status. */ 5691 tlp_pnic_nway_status(sc); 5692 5693 /* Callback if something changed. */ 5694 if ((sc->sc_nway_active == NULL || 5695 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5696 cmd == MII_MEDIACHG) { 5697 (*sc->sc_statchg)(sc->sc_dev); 5698 tlp_nway_activate(sc, mii->mii_media_active); 5699 } 5700 return (0); 5701 } 5702 5703 static void 5704 tlp_pnic_nway_reset(struct tulip_softc *sc) 5705 { 5706 5707 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5708 delay(100); 5709 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5710 } 5711 5712 static int 5713 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5714 { 5715 struct mii_data *mii = &sc->sc_mii; 5716 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5717 uint32_t reg; 5718 int i; 5719 5720 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5721 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5722 5723 if (waitfor) { 5724 /* Wait 500ms for it to complete. */ 5725 for (i = 0; i < 500; i++) { 5726 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5727 if (reg & PNIC_NWAY_LPAR_MASK) { 5728 tlp_pnic_nway_acomp(sc); 5729 return (0); 5730 } 5731 delay(1000); 5732 } 5733 #if 0 5734 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5735 aprint_error_dev(sc->sc_dev, "autonegotiation failed to complete\n"); 5736 #endif 5737 5738 /* 5739 * Don't need to worry about clearing DOINGAUTO. 5740 * If that's set, a timeout is pending, and it will 5741 * clear the flag. 5742 */ 5743 return (EIO); 5744 } 5745 5746 /* 5747 * Just let it finish asynchronously. This is for the benefit of 5748 * the tick handler driving autonegotiation. Don't want 500ms 5749 * delays all the time while the system is running! 5750 */ 5751 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5752 sc->sc_flags |= TULIPF_DOINGAUTO; 5753 callout_reset(&sc->sc_nway_callout, hz >> 1, 5754 tlp_pnic_nway_auto_timeout, sc); 5755 } 5756 return (EJUSTRETURN); 5757 } 5758 5759 static void 5760 tlp_pnic_nway_auto_timeout(void *arg) 5761 { 5762 struct tulip_softc *sc = arg; 5763 uint32_t reg; 5764 int s; 5765 5766 s = splnet(); 5767 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5768 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5769 #if 0 5770 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5771 aprint_error_dev(sc->sc_dev, "autonegotiation failed to complete\n"); 5772 #endif 5773 5774 tlp_pnic_nway_acomp(sc); 5775 5776 /* Update the media status. */ 5777 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5778 splx(s); 5779 } 5780 5781 static void 5782 tlp_pnic_nway_status(struct tulip_softc *sc) 5783 { 5784 struct mii_data *mii = &sc->sc_mii; 5785 uint32_t reg; 5786 5787 mii->mii_media_status = IFM_AVALID; 5788 mii->mii_media_active = IFM_ETHER; 5789 5790 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5791 5792 if (sc->sc_flags & TULIPF_LINK_UP) 5793 mii->mii_media_status |= IFM_ACTIVE; 5794 5795 if (reg & PNIC_NWAY_NW) { 5796 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5797 /* Erg, still trying, I guess... */ 5798 mii->mii_media_active |= IFM_NONE; 5799 return; 5800 } 5801 5802 #if 0 5803 if (reg & PNIC_NWAY_LPAR100T4) 5804 mii->mii_media_active |= IFM_100_T4; 5805 else 5806 #endif 5807 if (reg & PNIC_NWAY_LPAR100TXFDX) 5808 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5809 else if (reg & PNIC_NWAY_LPAR100TX) 5810 mii->mii_media_active |= IFM_100_TX; 5811 else if (reg & PNIC_NWAY_LPAR10TFDX) 5812 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5813 else if (reg & PNIC_NWAY_LPAR10T) 5814 mii->mii_media_active |= IFM_10_T; 5815 else 5816 mii->mii_media_active |= IFM_NONE; 5817 } else { 5818 if (reg & PNIC_NWAY_100) 5819 mii->mii_media_active |= IFM_100_TX; 5820 else 5821 mii->mii_media_active |= IFM_10_T; 5822 if (reg & PNIC_NWAY_FD) 5823 mii->mii_media_active |= IFM_FDX; 5824 } 5825 } 5826 5827 static void 5828 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5829 { 5830 uint32_t reg; 5831 5832 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5833 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5834 5835 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5836 reg |= PNIC_NWAY_100; 5837 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5838 reg |= PNIC_NWAY_FD; 5839 5840 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5841 } 5842 5843 /* 5844 * Macronix PMAC and Lite-On PNIC-II media switch: 5845 * 5846 * MX98713 and MX98713A 21140-like MII or GPIO media. 5847 * 5848 * MX98713A 21143-like MII or SIA/SYM media. 5849 * 5850 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5851 * 82C115, MX98715AEC-C, -E 5852 * 5853 * So, what we do here is fake MII-on-SIO or ISV media info, and 5854 * use the ISV media switch get/set functions to handle the rest. 5855 */ 5856 5857 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5858 5859 const struct tulip_mediasw tlp_pmac_mediasw = { 5860 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5861 }; 5862 5863 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5864 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5865 }; 5866 5867 static void 5868 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5869 { 5870 static const uint8_t media[] = { 5871 TULIP_ROM_MB_MEDIA_TP, 5872 TULIP_ROM_MB_MEDIA_TP_FDX, 5873 TULIP_ROM_MB_MEDIA_100TX, 5874 TULIP_ROM_MB_MEDIA_100TX_FDX, 5875 }; 5876 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5877 struct tulip_21x4x_media *tm; 5878 5879 sc->sc_mii.mii_ifp = ifp; 5880 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5881 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5882 sc->sc_mii.mii_statchg = sc->sc_statchg; 5883 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5884 tlp_mediastatus); 5885 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5886 sc->sc_chip == TULIP_CHIP_MX98713A) { 5887 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 5888 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5889 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5890 sc->sc_flags |= TULIPF_HAS_MII; 5891 sc->sc_tick = tlp_mii_tick; 5892 sc->sc_preinit = tlp_2114x_mii_preinit; 5893 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5894 ifmedia_set(&sc->sc_mii.mii_media, 5895 IFM_ETHER|IFM_AUTO); 5896 return; 5897 } 5898 } 5899 5900 switch (sc->sc_chip) { 5901 case TULIP_CHIP_MX98713: 5902 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5903 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5904 5905 /* 5906 * XXX Should implement auto-sense for this someday, 5907 * XXX when we do the same for the 21140. 5908 */ 5909 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5910 break; 5911 5912 default: 5913 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5914 tlp_sia_get, tlp_sia_set, media, 2); 5915 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5916 tlp_sia_get, tlp_sia_set, media + 2, 2); 5917 5918 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5919 tm->tm_name = "auto"; 5920 tm->tm_get = tlp_2114x_nway_get; 5921 tm->tm_set = tlp_2114x_nway_set; 5922 ifmedia_add(&sc->sc_mii.mii_media, 5923 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5924 5925 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5926 sc->sc_statchg = tlp_2114x_nway_statchg; 5927 sc->sc_tick = tlp_2114x_nway_tick; 5928 break; 5929 } 5930 5931 tlp_print_media(sc); 5932 tlp_sia_fixup(sc); 5933 5934 /* Set the LED modes. */ 5935 tlp_pmac_reset(sc); 5936 5937 sc->sc_reset = tlp_pmac_reset; 5938 } 5939 5940 /* 5941 * ADMtek AL981 media switch. Only has internal PHY. 5942 */ 5943 static void tlp_al981_tmsw_init(struct tulip_softc *); 5944 5945 const struct tulip_mediasw tlp_al981_mediasw = { 5946 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5947 }; 5948 5949 static void 5950 tlp_al981_tmsw_init(struct tulip_softc *sc) 5951 { 5952 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5953 5954 sc->sc_mii.mii_ifp = ifp; 5955 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5956 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5957 sc->sc_mii.mii_statchg = sc->sc_statchg; 5958 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5959 tlp_mediastatus); 5960 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5961 MII_OFFSET_ANY, 0); 5962 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5963 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5964 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5965 } else { 5966 sc->sc_flags |= TULIPF_HAS_MII; 5967 sc->sc_tick = tlp_mii_tick; 5968 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5969 } 5970 } 5971 5972 /* 5973 * ADMtek AN983/985 media switch. Only has internal PHY, but 5974 * on an SIO-like interface. Unfortunately, we can't use the 5975 * standard SIO media switch, because the AN985 "ghosts" the 5976 * singly PHY at every address. 5977 */ 5978 static void tlp_an985_tmsw_init(struct tulip_softc *); 5979 5980 const struct tulip_mediasw tlp_an985_mediasw = { 5981 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5982 }; 5983 5984 static void 5985 tlp_an985_tmsw_init(struct tulip_softc *sc) 5986 { 5987 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5988 5989 sc->sc_mii.mii_ifp = ifp; 5990 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5991 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5992 sc->sc_mii.mii_statchg = sc->sc_statchg; 5993 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5994 tlp_mediastatus); 5995 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5996 MII_OFFSET_ANY, 0); 5997 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5998 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5999 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6000 } else { 6001 sc->sc_flags |= TULIPF_HAS_MII; 6002 sc->sc_tick = tlp_mii_tick; 6003 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6004 } 6005 } 6006 6007 /* 6008 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 6009 */ 6010 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 6011 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6012 struct ifmediareq *); 6013 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6014 6015 const struct tulip_mediasw tlp_dm9102_mediasw = { 6016 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6017 tlp_dm9102_tmsw_setmedia 6018 }; 6019 6020 static void 6021 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6022 { 6023 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6024 uint32_t opmode; 6025 6026 sc->sc_mii.mii_ifp = ifp; 6027 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6028 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6029 sc->sc_mii.mii_statchg = sc->sc_statchg; 6030 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6031 tlp_mediastatus); 6032 6033 /* PHY block already reset via tlp_reset(). */ 6034 6035 /* 6036 * Configure OPMODE properly for the internal MII interface. 6037 */ 6038 switch (sc->sc_chip) { 6039 case TULIP_CHIP_DM9102: 6040 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6041 break; 6042 6043 case TULIP_CHIP_DM9102A: 6044 opmode = OPMODE_MBO|OPMODE_HBD; 6045 break; 6046 6047 default: 6048 opmode = 0; 6049 break; 6050 } 6051 6052 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6053 6054 /* Now, probe the internal MII for the internal PHY. */ 6055 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6056 MII_OFFSET_ANY, 0); 6057 6058 /* 6059 * XXX Figure out what to do about the HomePNA portion 6060 * XXX of the DM9102A. 6061 */ 6062 6063 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6064 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6065 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6066 } else { 6067 sc->sc_flags |= TULIPF_HAS_MII; 6068 sc->sc_tick = tlp_mii_tick; 6069 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6070 } 6071 } 6072 6073 static void 6074 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6075 { 6076 6077 /* XXX HomePNA on DM9102A. */ 6078 tlp_mii_getmedia(sc, ifmr); 6079 } 6080 6081 static int 6082 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6083 { 6084 6085 /* XXX HomePNA on DM9102A. */ 6086 return (tlp_mii_setmedia(sc)); 6087 } 6088 6089 /* 6090 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6091 */ 6092 6093 static void tlp_asix_tmsw_init(struct tulip_softc *); 6094 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6095 struct ifmediareq *); 6096 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6097 6098 const struct tulip_mediasw tlp_asix_mediasw = { 6099 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6100 tlp_asix_tmsw_setmedia 6101 }; 6102 6103 static void 6104 tlp_asix_tmsw_init(struct tulip_softc *sc) 6105 { 6106 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6107 uint32_t opmode; 6108 6109 sc->sc_mii.mii_ifp = ifp; 6110 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6111 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6112 sc->sc_mii.mii_statchg = sc->sc_statchg; 6113 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6114 tlp_mediastatus); 6115 6116 /* 6117 * Configure OPMODE properly for the internal MII interface. 6118 */ 6119 switch (sc->sc_chip) { 6120 case TULIP_CHIP_AX88140: 6121 case TULIP_CHIP_AX88141: 6122 opmode = OPMODE_HBD|OPMODE_PS; 6123 break; 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 /* XXX Figure how to handle the PHY. */ 6136 6137 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6138 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6139 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6140 } else { 6141 sc->sc_flags |= TULIPF_HAS_MII; 6142 sc->sc_tick = tlp_mii_tick; 6143 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6144 } 6145 6146 6147 } 6148 6149 static void 6150 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6151 { 6152 6153 /* XXX PHY handling. */ 6154 tlp_mii_getmedia(sc, ifmr); 6155 } 6156 6157 static int 6158 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6159 { 6160 6161 /* XXX PHY handling. */ 6162 return (tlp_mii_setmedia(sc)); 6163 } 6164 6165 /* 6166 * RS7112 media switch. Handles only MII attached to the SIO. 6167 * We only have a PHY at 1. 6168 */ 6169 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6170 6171 const struct tulip_mediasw tlp_rs7112_mediasw = { 6172 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6173 }; 6174 6175 void 6176 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6177 { 6178 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6179 6180 /* 6181 * We don't attach any media info structures to the ifmedia 6182 * entries, so if we're using a pre-init function that needs 6183 * that info, override it to one that doesn't. 6184 */ 6185 if (sc->sc_preinit == tlp_2114x_preinit) 6186 sc->sc_preinit = tlp_2114x_mii_preinit; 6187 6188 sc->sc_mii.mii_ifp = ifp; 6189 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6190 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6191 sc->sc_mii.mii_statchg = sc->sc_statchg; 6192 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6193 tlp_mediastatus); 6194 6195 /* 6196 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6197 * and 1 (ethernet). We attach ethernet only. 6198 */ 6199 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6200 MII_OFFSET_ANY, 0); 6201 6202 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6203 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6204 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6205 } else { 6206 sc->sc_flags |= TULIPF_HAS_MII; 6207 sc->sc_tick = tlp_mii_tick; 6208 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6209 } 6210 } 6211