tulip.c revision 1.179.6.1
1 /* $NetBSD: tulip.c,v 1.179.6.1 2012/02/18 07:34:24 mrg 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 1.179.6.1 2012/02/18 07:34:24 mrg Exp $"); 40 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/callout.h> 45 #include <sys/mbuf.h> 46 #include <sys/malloc.h> 47 #include <sys/kernel.h> 48 #include <sys/socket.h> 49 #include <sys/ioctl.h> 50 #include <sys/errno.h> 51 #include <sys/device.h> 52 53 #include <machine/endian.h> 54 55 #include <net/if.h> 56 #include <net/if_dl.h> 57 #include <net/if_media.h> 58 #include <net/if_ether.h> 59 60 #include <net/bpf.h> 61 62 #include <sys/bus.h> 63 #include <sys/intr.h> 64 65 #include <dev/mii/mii.h> 66 #include <dev/mii/miivar.h> 67 #include <dev/mii/mii_bitbang.h> 68 69 #include <dev/ic/tulipreg.h> 70 #include <dev/ic/tulipvar.h> 71 72 static const char * const tlp_chip_names[] = TULIP_CHIP_NAMES; 73 74 static const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 75 TLP_TXTHRESH_TAB_10; 76 77 static const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 78 TLP_TXTHRESH_TAB_10_100; 79 80 static const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 81 TLP_TXTHRESH_TAB_WINB; 82 83 static const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 84 TLP_TXTHRESH_TAB_DM9102; 85 86 static void tlp_start(struct ifnet *); 87 static void tlp_watchdog(struct ifnet *); 88 static int tlp_ioctl(struct ifnet *, u_long, void *); 89 static int tlp_init(struct ifnet *); 90 static void tlp_stop(struct ifnet *, int); 91 static int tlp_ifflags_cb(struct ethercom *); 92 93 static void tlp_rxdrain(struct tulip_softc *); 94 static int tlp_add_rxbuf(struct tulip_softc *, int); 95 static void tlp_srom_idle(struct tulip_softc *); 96 static int tlp_srom_size(struct tulip_softc *); 97 98 static int tlp_enable(struct tulip_softc *); 99 static void tlp_disable(struct tulip_softc *); 100 101 static void tlp_filter_setup(struct tulip_softc *); 102 static void tlp_winb_filter_setup(struct tulip_softc *); 103 static void tlp_al981_filter_setup(struct tulip_softc *); 104 static void tlp_asix_filter_setup(struct tulip_softc *); 105 106 static void tlp_rxintr(struct tulip_softc *); 107 static void tlp_txintr(struct tulip_softc *); 108 109 static void tlp_mii_tick(void *); 110 static void tlp_mii_statchg(device_t); 111 static void tlp_winb_mii_statchg(device_t); 112 static void tlp_dm9102_mii_statchg(device_t); 113 114 static void tlp_mii_getmedia(struct tulip_softc *, struct ifmediareq *); 115 static int tlp_mii_setmedia(struct tulip_softc *); 116 117 static int tlp_bitbang_mii_readreg(device_t, int, int); 118 static void tlp_bitbang_mii_writereg(device_t, int, int, int); 119 120 static int tlp_pnic_mii_readreg(device_t, int, int); 121 static void tlp_pnic_mii_writereg(device_t, int, int, int); 122 123 static int tlp_al981_mii_readreg(device_t, int, int); 124 static void tlp_al981_mii_writereg(device_t, int, int, int); 125 126 static void tlp_2114x_preinit(struct tulip_softc *); 127 static void tlp_2114x_mii_preinit(struct tulip_softc *); 128 static void tlp_pnic_preinit(struct tulip_softc *); 129 static void tlp_dm9102_preinit(struct tulip_softc *); 130 static void tlp_asix_preinit(struct tulip_softc *); 131 132 static void tlp_21140_reset(struct tulip_softc *); 133 static void tlp_21142_reset(struct tulip_softc *); 134 static void tlp_pmac_reset(struct tulip_softc *); 135 #if 0 136 static void tlp_dm9102_reset(struct tulip_softc *); 137 #endif 138 139 static void tlp_2114x_nway_tick(void *); 140 141 #define tlp_mchash(addr, sz) \ 142 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 143 144 /* 145 * MII bit-bang glue. 146 */ 147 static uint32_t tlp_sio_mii_bitbang_read(device_t); 148 static void tlp_sio_mii_bitbang_write(device_t, uint32_t); 149 150 static const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 151 tlp_sio_mii_bitbang_read, 152 tlp_sio_mii_bitbang_write, 153 { 154 MIIROM_MDO, /* MII_BIT_MDO */ 155 MIIROM_MDI, /* MII_BIT_MDI */ 156 MIIROM_MDC, /* MII_BIT_MDC */ 157 0, /* MII_BIT_DIR_HOST_PHY */ 158 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 159 } 160 }; 161 162 #ifdef TLP_DEBUG 163 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 164 printf x 165 #else 166 #define DPRINTF(sc, x) /* nothing */ 167 #endif 168 169 #ifdef TLP_STATS 170 static void tlp_print_stats(struct tulip_softc *); 171 #endif 172 173 /* 174 * Can be used to debug the SROM-related things, including contents. 175 * Initialized so that it's patchable. 176 */ 177 int tlp_srom_debug = 0; 178 179 /* 180 * tlp_attach: 181 * 182 * Attach a Tulip interface to the system. 183 */ 184 int 185 tlp_attach(struct tulip_softc *sc, const uint8_t *enaddr) 186 { 187 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 188 device_t self = sc->sc_dev; 189 int i, error; 190 191 callout_init(&sc->sc_nway_callout, 0); 192 callout_init(&sc->sc_tick_callout, 0); 193 194 /* 195 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 196 */ 197 198 /* 199 * Setup the transmit threshold table. 200 */ 201 switch (sc->sc_chip) { 202 case TULIP_CHIP_DE425: 203 case TULIP_CHIP_21040: 204 case TULIP_CHIP_21041: 205 sc->sc_txth = tlp_10_txthresh_tab; 206 break; 207 208 case TULIP_CHIP_DM9102: 209 case TULIP_CHIP_DM9102A: 210 sc->sc_txth = tlp_dm9102_txthresh_tab; 211 break; 212 213 default: 214 sc->sc_txth = tlp_10_100_txthresh_tab; 215 break; 216 } 217 218 /* 219 * Setup the filter setup function. 220 */ 221 switch (sc->sc_chip) { 222 case TULIP_CHIP_WB89C840F: 223 sc->sc_filter_setup = tlp_winb_filter_setup; 224 break; 225 226 case TULIP_CHIP_AL981: 227 case TULIP_CHIP_AN983: 228 case TULIP_CHIP_AN985: 229 sc->sc_filter_setup = tlp_al981_filter_setup; 230 break; 231 232 case TULIP_CHIP_AX88140: 233 case TULIP_CHIP_AX88141: 234 sc->sc_filter_setup = tlp_asix_filter_setup; 235 break; 236 237 default: 238 sc->sc_filter_setup = tlp_filter_setup; 239 break; 240 } 241 242 /* 243 * Set up the media status change function. 244 */ 245 switch (sc->sc_chip) { 246 case TULIP_CHIP_WB89C840F: 247 sc->sc_statchg = tlp_winb_mii_statchg; 248 break; 249 250 case TULIP_CHIP_DM9102: 251 case TULIP_CHIP_DM9102A: 252 sc->sc_statchg = tlp_dm9102_mii_statchg; 253 break; 254 255 default: 256 /* 257 * We may override this if we have special media 258 * handling requirements (e.g. flipping GPIO pins). 259 * 260 * The pure-MII statchg function covers the basics. 261 */ 262 sc->sc_statchg = tlp_mii_statchg; 263 break; 264 } 265 266 /* 267 * Default to no FS|LS in setup packet descriptors. They're 268 * supposed to be zero according to the 21040 and 21143 269 * manuals, and some chips fall over badly if they're 270 * included. Yet, other chips seem to require them. Sigh. 271 */ 272 switch (sc->sc_chip) { 273 case TULIP_CHIP_X3201_3: 274 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 275 break; 276 277 default: 278 sc->sc_setup_fsls = 0; 279 } 280 281 /* 282 * Set up various chip-specific quirks. 283 * 284 * Note that wherever we can, we use the "ring" option for 285 * transmit and receive descriptors. This is because some 286 * clone chips apparently have problems when using chaining, 287 * although some *only* support chaining. 288 * 289 * What we do is always program the "next" pointer, and then 290 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 291 * appropriate places. 292 */ 293 switch (sc->sc_chip) { 294 case TULIP_CHIP_21140: 295 case TULIP_CHIP_21140A: 296 case TULIP_CHIP_21142: 297 case TULIP_CHIP_21143: 298 case TULIP_CHIP_82C115: /* 21143-like */ 299 case TULIP_CHIP_MX98713: /* 21140-like */ 300 case TULIP_CHIP_MX98713A: /* 21143-like */ 301 case TULIP_CHIP_MX98715: /* 21143-like */ 302 case TULIP_CHIP_MX98715A: /* 21143-like */ 303 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 304 case TULIP_CHIP_MX98725: /* 21143-like */ 305 case TULIP_CHIP_RS7112: /* 21143-like */ 306 /* 307 * Run these chips in ring mode. 308 */ 309 sc->sc_tdctl_ch = 0; 310 sc->sc_tdctl_er = TDCTL_ER; 311 sc->sc_preinit = tlp_2114x_preinit; 312 break; 313 314 case TULIP_CHIP_82C168: 315 case TULIP_CHIP_82C169: 316 /* 317 * Run these chips in ring mode. 318 */ 319 sc->sc_tdctl_ch = 0; 320 sc->sc_tdctl_er = TDCTL_ER; 321 sc->sc_preinit = tlp_pnic_preinit; 322 323 /* 324 * These chips seem to have busted DMA engines; just put them 325 * in Store-and-Forward mode from the get-go. 326 */ 327 sc->sc_txthresh = TXTH_SF; 328 break; 329 330 case TULIP_CHIP_WB89C840F: 331 /* 332 * Run this chip in chained mode. 333 */ 334 sc->sc_tdctl_ch = TDCTL_CH; 335 sc->sc_tdctl_er = 0; 336 sc->sc_flags |= TULIPF_IC_FS; 337 break; 338 339 case TULIP_CHIP_DM9102: 340 case TULIP_CHIP_DM9102A: 341 /* 342 * Run these chips in chained mode. 343 */ 344 sc->sc_tdctl_ch = TDCTL_CH; 345 sc->sc_tdctl_er = 0; 346 sc->sc_preinit = tlp_dm9102_preinit; 347 348 /* 349 * These chips have a broken bus interface, so we 350 * can't use any optimized bus commands. For this 351 * reason, we tend to underrun pretty quickly, so 352 * just to Store-and-Forward mode from the get-go. 353 */ 354 sc->sc_txthresh = TXTH_DM9102_SF; 355 break; 356 357 case TULIP_CHIP_AX88140: 358 case TULIP_CHIP_AX88141: 359 /* 360 * Run these chips in ring mode. 361 */ 362 sc->sc_tdctl_ch = 0; 363 sc->sc_tdctl_er = TDCTL_ER; 364 sc->sc_preinit = tlp_asix_preinit; 365 break; 366 367 default: 368 /* 369 * Default to running in ring mode. 370 */ 371 sc->sc_tdctl_ch = 0; 372 sc->sc_tdctl_er = TDCTL_ER; 373 } 374 375 /* 376 * Set up the MII bit-bang operations. 377 */ 378 switch (sc->sc_chip) { 379 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 380 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 381 break; 382 383 default: 384 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 385 } 386 387 SIMPLEQ_INIT(&sc->sc_txfreeq); 388 SIMPLEQ_INIT(&sc->sc_txdirtyq); 389 390 /* 391 * Allocate the control data structures, and create and load the 392 * DMA map for it. 393 */ 394 if ((error = bus_dmamem_alloc(sc->sc_dmat, 395 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 396 1, &sc->sc_cdnseg, 0)) != 0) { 397 aprint_error_dev(self, "unable to allocate control data, error = %d\n", 398 error); 399 goto fail_0; 400 } 401 402 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 403 sizeof(struct tulip_control_data), (void **)&sc->sc_control_data, 404 BUS_DMA_COHERENT)) != 0) { 405 aprint_error_dev(self, "unable to map control data, error = %d\n", 406 error); 407 goto fail_1; 408 } 409 410 if ((error = bus_dmamap_create(sc->sc_dmat, 411 sizeof(struct tulip_control_data), 1, 412 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 413 sc->sc_cddmamap = NULL; 414 aprint_error_dev(self, "unable to create control data DMA map, " 415 "error = %d\n", error); 416 goto fail_2; 417 } 418 419 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 420 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 421 0)) != 0) { 422 aprint_error_dev(self, "unable to load control data DMA map, error = %d\n", 423 error); 424 goto fail_3; 425 } 426 427 /* 428 * Create the transmit buffer DMA maps. 429 * 430 * Note that on the Xircom clone, transmit buffers must be 431 * 4-byte aligned. We're almost guaranteed to have to copy 432 * the packet in that case, so we just limit ourselves to 433 * one segment. 434 * 435 * On the DM9102, the transmit logic can only handle one 436 * DMA segment. 437 */ 438 switch (sc->sc_chip) { 439 case TULIP_CHIP_X3201_3: 440 case TULIP_CHIP_DM9102: 441 case TULIP_CHIP_DM9102A: 442 case TULIP_CHIP_AX88140: 443 case TULIP_CHIP_AX88141: 444 sc->sc_ntxsegs = 1; 445 break; 446 447 default: 448 sc->sc_ntxsegs = TULIP_NTXSEGS; 449 } 450 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 451 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 452 sc->sc_ntxsegs, MCLBYTES, 0, 0, 453 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 454 sc->sc_txsoft[i].txs_dmamap = NULL; 455 aprint_error_dev(self, "unable to create tx DMA map %d, " 456 "error = %d\n", i, error); 457 goto fail_4; 458 } 459 } 460 461 /* 462 * Create the receive buffer DMA maps. 463 */ 464 for (i = 0; i < TULIP_NRXDESC; i++) { 465 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 466 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 467 sc->sc_rxsoft[i].rxs_dmamap = NULL; 468 aprint_error_dev(self, "unable to create rx DMA map %d, " 469 "error = %d\n", i, error); 470 goto fail_5; 471 } 472 sc->sc_rxsoft[i].rxs_mbuf = NULL; 473 } 474 475 /* 476 * From this point forward, the attachment cannot fail. A failure 477 * before this point releases all resources that may have been 478 * allocated. 479 */ 480 sc->sc_flags |= TULIPF_ATTACHED; 481 482 /* 483 * Reset the chip to a known state. 484 */ 485 tlp_reset(sc); 486 487 /* Announce ourselves. */ 488 aprint_normal_dev(self, "%s%sEthernet address %s\n", 489 sc->sc_name[0] != '\0' ? sc->sc_name : "", 490 sc->sc_name[0] != '\0' ? ", " : "", 491 ether_sprintf(enaddr)); 492 493 /* 494 * Check to see if we're the simulated Ethernet on Connectix 495 * Virtual PC. 496 */ 497 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) 498 sc->sc_flags |= TULIPF_VPC; 499 500 /* 501 * Initialize our media structures. This may probe the MII, if 502 * present. 503 */ 504 (*sc->sc_mediasw->tmsw_init)(sc); 505 506 strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 507 ifp->if_softc = sc; 508 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 509 sc->sc_if_flags = ifp->if_flags; 510 ifp->if_ioctl = tlp_ioctl; 511 ifp->if_start = tlp_start; 512 ifp->if_watchdog = tlp_watchdog; 513 ifp->if_init = tlp_init; 514 ifp->if_stop = tlp_stop; 515 IFQ_SET_READY(&ifp->if_snd); 516 517 /* 518 * We can support 802.1Q VLAN-sized frames. 519 */ 520 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 521 522 /* 523 * Attach the interface. 524 */ 525 if_attach(ifp); 526 ether_ifattach(ifp, enaddr); 527 ether_set_ifflags_cb(&sc->sc_ethercom, tlp_ifflags_cb); 528 529 rnd_attach_source(&sc->sc_rnd_source, device_xname(self), 530 RND_TYPE_NET, 0); 531 532 if (pmf_device_register(self, NULL, NULL)) 533 pmf_class_network_register(self, ifp); 534 else 535 aprint_error_dev(self, "couldn't establish power handler\n"); 536 537 return 0; 538 539 /* 540 * Free any resources we've allocated during the failed attach 541 * attempt. Do this in reverse order and fall through. 542 */ 543 fail_5: 544 for (i = 0; i < TULIP_NRXDESC; i++) { 545 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 546 bus_dmamap_destroy(sc->sc_dmat, 547 sc->sc_rxsoft[i].rxs_dmamap); 548 } 549 fail_4: 550 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 551 if (sc->sc_txsoft[i].txs_dmamap != NULL) 552 bus_dmamap_destroy(sc->sc_dmat, 553 sc->sc_txsoft[i].txs_dmamap); 554 } 555 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 556 fail_3: 557 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 558 fail_2: 559 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 560 sizeof(struct tulip_control_data)); 561 fail_1: 562 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 563 fail_0: 564 return error; 565 } 566 567 /* 568 * tlp_activate: 569 * 570 * Handle device activation/deactivation requests. 571 */ 572 int 573 tlp_activate(device_t self, enum devact act) 574 { 575 struct tulip_softc *sc = device_private(self); 576 577 switch (act) { 578 case DVACT_DEACTIVATE: 579 if_deactivate(&sc->sc_ethercom.ec_if); 580 return 0; 581 default: 582 return EOPNOTSUPP; 583 } 584 } 585 586 /* 587 * tlp_detach: 588 * 589 * Detach a Tulip interface. 590 */ 591 int 592 tlp_detach(struct tulip_softc *sc) 593 { 594 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 595 struct tulip_rxsoft *rxs; 596 struct tulip_txsoft *txs; 597 device_t self = sc->sc_dev; 598 int i; 599 600 /* 601 * Succeed now if there isn't any work to do. 602 */ 603 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 604 return (0); 605 606 /* Unhook our tick handler. */ 607 if (sc->sc_tick) 608 callout_stop(&sc->sc_tick_callout); 609 610 if (sc->sc_flags & TULIPF_HAS_MII) { 611 /* Detach all PHYs */ 612 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 613 } 614 615 /* Delete all remaining media. */ 616 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 617 618 rnd_detach_source(&sc->sc_rnd_source); 619 620 ether_ifdetach(ifp); 621 if_detach(ifp); 622 623 for (i = 0; i < TULIP_NRXDESC; i++) { 624 rxs = &sc->sc_rxsoft[i]; 625 if (rxs->rxs_mbuf != NULL) { 626 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 627 m_freem(rxs->rxs_mbuf); 628 rxs->rxs_mbuf = NULL; 629 } 630 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 631 } 632 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 633 txs = &sc->sc_txsoft[i]; 634 if (txs->txs_mbuf != NULL) { 635 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 636 m_freem(txs->txs_mbuf); 637 txs->txs_mbuf = NULL; 638 } 639 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 640 } 641 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 642 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 643 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 644 sizeof(struct tulip_control_data)); 645 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 646 647 pmf_device_deregister(self); 648 649 if (sc->sc_srom) 650 free(sc->sc_srom, M_DEVBUF); 651 652 return (0); 653 } 654 655 /* 656 * tlp_start: [ifnet interface function] 657 * 658 * Start packet transmission on the interface. 659 */ 660 static void 661 tlp_start(struct ifnet *ifp) 662 { 663 struct tulip_softc *sc = ifp->if_softc; 664 struct mbuf *m0, *m; 665 struct tulip_txsoft *txs, *last_txs = NULL; 666 bus_dmamap_t dmamap; 667 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 668 struct tulip_desc *txd; 669 670 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 671 device_xname(sc->sc_dev), sc->sc_flags, ifp->if_flags)); 672 673 /* 674 * If we want a filter setup, it means no more descriptors were 675 * available for the setup routine. Let it get a chance to wedge 676 * itself into the ring. 677 */ 678 if (sc->sc_flags & TULIPF_WANT_SETUP) 679 ifp->if_flags |= IFF_OACTIVE; 680 681 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 682 return; 683 684 if (sc->sc_tick == tlp_2114x_nway_tick && 685 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 686 return; 687 688 /* 689 * Remember the previous number of free descriptors and 690 * the first descriptor we'll use. 691 */ 692 ofree = sc->sc_txfree; 693 firsttx = sc->sc_txnext; 694 695 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 696 device_xname(sc->sc_dev), ofree, firsttx)); 697 698 /* 699 * Loop through the send queue, setting up transmit descriptors 700 * until we drain the queue, or use up all available transmit 701 * descriptors. 702 */ 703 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 704 sc->sc_txfree != 0) { 705 /* 706 * Grab a packet off the queue. 707 */ 708 IFQ_POLL(&ifp->if_snd, m0); 709 if (m0 == NULL) 710 break; 711 m = NULL; 712 713 dmamap = txs->txs_dmamap; 714 715 /* 716 * Load the DMA map. If this fails, the packet either 717 * didn't fit in the alloted number of segments, or we were 718 * short on resources. In this case, we'll copy and try 719 * again. 720 * 721 * Note that if we're only allowed 1 Tx segment, we 722 * have an alignment restriction. Do this test before 723 * attempting to load the DMA map, because it's more 724 * likely we'll trip the alignment test than the 725 * more-than-one-segment test. 726 */ 727 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 728 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 729 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 730 MGETHDR(m, M_DONTWAIT, MT_DATA); 731 if (m == NULL) { 732 aprint_error_dev(sc->sc_dev, "unable to allocate Tx mbuf\n"); 733 break; 734 } 735 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 736 if (m0->m_pkthdr.len > MHLEN) { 737 MCLGET(m, M_DONTWAIT); 738 if ((m->m_flags & M_EXT) == 0) { 739 aprint_error_dev(sc->sc_dev, 740 "unable to allocate Tx cluster\n"); 741 m_freem(m); 742 break; 743 } 744 } 745 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *)); 746 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 747 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 748 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 749 if (error) { 750 aprint_error_dev(sc->sc_dev, 751 "unable to load Tx buffer, error = %d", 752 error); 753 break; 754 } 755 } 756 757 /* 758 * Ensure we have enough descriptors free to describe 759 * the packet. 760 */ 761 if (dmamap->dm_nsegs > sc->sc_txfree) { 762 /* 763 * Not enough free descriptors to transmit this 764 * packet. We haven't committed to anything yet, 765 * so just unload the DMA map, put the packet 766 * back on the queue, and punt. Notify the upper 767 * layer that there are no more slots left. 768 * 769 * XXX We could allocate an mbuf and copy, but 770 * XXX it is worth it? 771 */ 772 ifp->if_flags |= IFF_OACTIVE; 773 bus_dmamap_unload(sc->sc_dmat, dmamap); 774 if (m != NULL) 775 m_freem(m); 776 break; 777 } 778 779 IFQ_DEQUEUE(&ifp->if_snd, m0); 780 if (m != NULL) { 781 m_freem(m0); 782 m0 = m; 783 } 784 785 /* 786 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 787 */ 788 789 /* Sync the DMA map. */ 790 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 791 BUS_DMASYNC_PREWRITE); 792 793 /* 794 * Initialize the transmit descriptors. 795 */ 796 for (nexttx = sc->sc_txnext, seg = 0; 797 seg < dmamap->dm_nsegs; 798 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 799 /* 800 * If this is the first descriptor we're 801 * enqueueing, don't set the OWN bit just 802 * yet. That could cause a race condition. 803 * We'll do it below. 804 */ 805 txd = &sc->sc_txdescs[nexttx]; 806 txd->td_status = 807 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 808 txd->td_bufaddr1 = 809 htole32(dmamap->dm_segs[seg].ds_addr); 810 txd->td_ctl = 811 htole32((dmamap->dm_segs[seg].ds_len << 812 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 813 (nexttx == (TULIP_NTXDESC - 1) ? 814 sc->sc_tdctl_er : 0)); 815 lasttx = nexttx; 816 } 817 818 KASSERT(lasttx != -1); 819 820 /* Set `first segment' and `last segment' appropriately. */ 821 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 822 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 823 824 #ifdef TLP_DEBUG 825 if (ifp->if_flags & IFF_DEBUG) { 826 printf(" txsoft %p transmit chain:\n", txs); 827 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 828 txd = &sc->sc_txdescs[seg]; 829 printf(" descriptor %d:\n", seg); 830 printf(" td_status: 0x%08x\n", 831 le32toh(txd->td_status)); 832 printf(" td_ctl: 0x%08x\n", 833 le32toh(txd->td_ctl)); 834 printf(" td_bufaddr1: 0x%08x\n", 835 le32toh(txd->td_bufaddr1)); 836 printf(" td_bufaddr2: 0x%08x\n", 837 le32toh(txd->td_bufaddr2)); 838 if (seg == lasttx) 839 break; 840 } 841 } 842 #endif 843 844 /* Sync the descriptors we're using. */ 845 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 846 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 847 848 /* 849 * Store a pointer to the packet so we can free it later, 850 * and remember what txdirty will be once the packet is 851 * done. 852 */ 853 txs->txs_mbuf = m0; 854 txs->txs_firstdesc = sc->sc_txnext; 855 txs->txs_lastdesc = lasttx; 856 txs->txs_ndescs = dmamap->dm_nsegs; 857 858 /* Advance the tx pointer. */ 859 sc->sc_txfree -= dmamap->dm_nsegs; 860 sc->sc_txnext = nexttx; 861 862 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 863 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 864 865 last_txs = txs; 866 867 /* 868 * Pass the packet to any BPF listeners. 869 */ 870 bpf_mtap(ifp, m0); 871 } 872 873 if (txs == NULL || sc->sc_txfree == 0) { 874 /* No more slots left; notify upper layer. */ 875 ifp->if_flags |= IFF_OACTIVE; 876 } 877 878 if (sc->sc_txfree != ofree) { 879 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 880 device_xname(sc->sc_dev), lasttx, firsttx)); 881 /* 882 * Cause a transmit interrupt to happen on the 883 * last packet we enqueued. 884 */ 885 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 886 TULIP_CDTXSYNC(sc, lasttx, 1, 887 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 888 889 /* 890 * Some clone chips want IC on the *first* segment in 891 * the packet. Appease them. 892 */ 893 KASSERT(last_txs != NULL); 894 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 895 last_txs->txs_firstdesc != lasttx) { 896 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 897 htole32(TDCTL_Tx_IC); 898 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 899 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 900 } 901 902 /* 903 * The entire packet chain is set up. Give the 904 * first descriptor to the chip now. 905 */ 906 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 907 TULIP_CDTXSYNC(sc, firsttx, 1, 908 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 909 910 /* Wake up the transmitter. */ 911 /* XXX USE AUTOPOLLING? */ 912 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 913 914 /* Set a watchdog timer in case the chip flakes out. */ 915 ifp->if_timer = 5; 916 } 917 } 918 919 /* 920 * tlp_watchdog: [ifnet interface function] 921 * 922 * Watchdog timer handler. 923 */ 924 static void 925 tlp_watchdog(struct ifnet *ifp) 926 { 927 struct tulip_softc *sc = ifp->if_softc; 928 int doing_setup, doing_transmit; 929 930 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 931 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 932 933 if (doing_setup && doing_transmit) { 934 printf("%s: filter setup and transmit timeout\n", device_xname(sc->sc_dev)); 935 ifp->if_oerrors++; 936 } else if (doing_transmit) { 937 printf("%s: transmit timeout\n", device_xname(sc->sc_dev)); 938 ifp->if_oerrors++; 939 } else if (doing_setup) 940 printf("%s: filter setup timeout\n", device_xname(sc->sc_dev)); 941 else 942 printf("%s: spurious watchdog timeout\n", device_xname(sc->sc_dev)); 943 944 (void) tlp_init(ifp); 945 946 /* Try to get more packets going. */ 947 tlp_start(ifp); 948 } 949 950 /* If the interface is up and running, only modify the receive 951 * filter when setting promiscuous or debug mode. Otherwise fall 952 * through to ether_ioctl, which will reset the chip. 953 */ 954 static int 955 tlp_ifflags_cb(struct ethercom *ec) 956 { 957 struct ifnet *ifp = &ec->ec_if; 958 struct tulip_softc *sc = ifp->if_softc; 959 int change = ifp->if_flags ^ sc->sc_if_flags; 960 961 if ((change & ~(IFF_CANTCHANGE|IFF_DEBUG)) != 0) 962 return ENETRESET; 963 if ((change & IFF_PROMISC) != 0) 964 (*sc->sc_filter_setup)(sc); 965 return 0; 966 } 967 968 /* 969 * tlp_ioctl: [ifnet interface function] 970 * 971 * Handle control requests from the operator. 972 */ 973 static int 974 tlp_ioctl(struct ifnet *ifp, u_long cmd, void *data) 975 { 976 struct tulip_softc *sc = ifp->if_softc; 977 struct ifreq *ifr = (struct ifreq *)data; 978 int s, error; 979 980 s = splnet(); 981 982 switch (cmd) { 983 case SIOCSIFMEDIA: 984 case SIOCGIFMEDIA: 985 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 986 break; 987 default: 988 error = ether_ioctl(ifp, cmd, data); 989 if (error == ENETRESET) { 990 if (ifp->if_flags & IFF_RUNNING) { 991 /* 992 * Multicast list has changed. Set the 993 * hardware filter accordingly. 994 */ 995 (*sc->sc_filter_setup)(sc); 996 } 997 error = 0; 998 } 999 break; 1000 } 1001 1002 /* Try to get more packets going. */ 1003 if (TULIP_IS_ENABLED(sc)) 1004 tlp_start(ifp); 1005 1006 sc->sc_if_flags = ifp->if_flags; 1007 splx(s); 1008 return (error); 1009 } 1010 1011 /* 1012 * tlp_intr: 1013 * 1014 * Interrupt service routine. 1015 */ 1016 int 1017 tlp_intr(void *arg) 1018 { 1019 struct tulip_softc *sc = arg; 1020 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1021 uint32_t status, rxstatus, txstatus; 1022 int handled = 0, txthresh; 1023 1024 DPRINTF(sc, ("%s: tlp_intr\n", device_xname(sc->sc_dev))); 1025 1026 #ifdef DEBUG 1027 if (TULIP_IS_ENABLED(sc) == 0) 1028 panic("%s: tlp_intr: not enabled", device_xname(sc->sc_dev)); 1029 #endif 1030 1031 /* 1032 * If the interface isn't running, the interrupt couldn't 1033 * possibly have come from us. 1034 */ 1035 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1036 !device_is_active(sc->sc_dev)) 1037 return (0); 1038 1039 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1040 switch (sc->sc_chip) { 1041 case TULIP_CHIP_DM9102: 1042 case TULIP_CHIP_DM9102A: 1043 TULIP_WRITE(sc, CSR_INTEN, 0); 1044 break; 1045 1046 default: 1047 /* Nothing. */ 1048 break; 1049 } 1050 1051 for (;;) { 1052 status = TULIP_READ(sc, CSR_STATUS); 1053 if (status) 1054 TULIP_WRITE(sc, CSR_STATUS, status); 1055 1056 if ((status & sc->sc_inten) == 0) 1057 break; 1058 1059 handled = 1; 1060 1061 rxstatus = status & sc->sc_rxint_mask; 1062 txstatus = status & sc->sc_txint_mask; 1063 1064 if (rxstatus) { 1065 /* Grab new any new packets. */ 1066 tlp_rxintr(sc); 1067 1068 if (rxstatus & STATUS_RWT) 1069 printf("%s: receive watchdog timeout\n", 1070 device_xname(sc->sc_dev)); 1071 1072 if (rxstatus & STATUS_RU) { 1073 printf("%s: receive ring overrun\n", 1074 device_xname(sc->sc_dev)); 1075 /* Get the receive process going again. */ 1076 if (sc->sc_tdctl_er != TDCTL_ER) { 1077 tlp_idle(sc, OPMODE_SR); 1078 TULIP_WRITE(sc, CSR_RXLIST, 1079 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1080 TULIP_WRITE(sc, CSR_OPMODE, 1081 sc->sc_opmode); 1082 } 1083 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1084 break; 1085 } 1086 } 1087 1088 if (txstatus) { 1089 /* Sweep up transmit descriptors. */ 1090 tlp_txintr(sc); 1091 1092 if (txstatus & STATUS_TJT) 1093 printf("%s: transmit jabber timeout\n", 1094 device_xname(sc->sc_dev)); 1095 1096 if (txstatus & STATUS_UNF) { 1097 /* 1098 * Increase our transmit threshold if 1099 * another is available. 1100 */ 1101 txthresh = sc->sc_txthresh + 1; 1102 if (sc->sc_txth[txthresh].txth_name != NULL) { 1103 /* Idle the transmit process. */ 1104 tlp_idle(sc, OPMODE_ST); 1105 1106 sc->sc_txthresh = txthresh; 1107 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1108 sc->sc_opmode |= 1109 sc->sc_txth[txthresh].txth_opmode; 1110 printf("%s: transmit underrun; new " 1111 "threshold: %s\n", 1112 device_xname(sc->sc_dev), 1113 sc->sc_txth[txthresh].txth_name); 1114 1115 /* 1116 * Set the new threshold and restart 1117 * the transmit process. 1118 */ 1119 TULIP_WRITE(sc, CSR_OPMODE, 1120 sc->sc_opmode); 1121 } 1122 /* 1123 * XXX Log every Nth underrun from 1124 * XXX now on? 1125 */ 1126 } 1127 } 1128 1129 if (status & (STATUS_TPS|STATUS_RPS)) { 1130 if (status & STATUS_TPS) 1131 printf("%s: transmit process stopped\n", 1132 device_xname(sc->sc_dev)); 1133 if (status & STATUS_RPS) 1134 printf("%s: receive process stopped\n", 1135 device_xname(sc->sc_dev)); 1136 (void) tlp_init(ifp); 1137 break; 1138 } 1139 1140 if (status & STATUS_SE) { 1141 const char *str; 1142 switch (status & STATUS_EB) { 1143 case STATUS_EB_PARITY: 1144 str = "parity error"; 1145 break; 1146 1147 case STATUS_EB_MABT: 1148 str = "master abort"; 1149 break; 1150 1151 case STATUS_EB_TABT: 1152 str = "target abort"; 1153 break; 1154 1155 default: 1156 str = "unknown error"; 1157 break; 1158 } 1159 aprint_error_dev(sc->sc_dev, "fatal system error: %s\n", 1160 str); 1161 (void) tlp_init(ifp); 1162 break; 1163 } 1164 1165 /* 1166 * Not handled: 1167 * 1168 * Transmit buffer unavailable -- normal 1169 * condition, nothing to do, really. 1170 * 1171 * General purpose timer experied -- we don't 1172 * use the general purpose timer. 1173 * 1174 * Early receive interrupt -- not available on 1175 * all chips, we just use RI. We also only 1176 * use single-segment receive DMA, so this 1177 * is mostly useless. 1178 */ 1179 } 1180 1181 /* Bring interrupts back up on the DM9102. */ 1182 switch (sc->sc_chip) { 1183 case TULIP_CHIP_DM9102: 1184 case TULIP_CHIP_DM9102A: 1185 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1186 break; 1187 1188 default: 1189 /* Nothing. */ 1190 break; 1191 } 1192 1193 /* Try to get more packets going. */ 1194 tlp_start(ifp); 1195 1196 if (handled) 1197 rnd_add_uint32(&sc->sc_rnd_source, status); 1198 1199 return (handled); 1200 } 1201 1202 /* 1203 * tlp_rxintr: 1204 * 1205 * Helper; handle receive interrupts. 1206 */ 1207 static void 1208 tlp_rxintr(struct tulip_softc *sc) 1209 { 1210 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1211 struct ether_header *eh; 1212 struct tulip_rxsoft *rxs; 1213 struct mbuf *m; 1214 uint32_t rxstat, errors; 1215 int i, len; 1216 1217 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1218 rxs = &sc->sc_rxsoft[i]; 1219 1220 TULIP_CDRXSYNC(sc, i, 1221 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1222 1223 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1224 1225 if (rxstat & TDSTAT_OWN) { 1226 /* 1227 * We have processed all of the receive buffers. 1228 */ 1229 break; 1230 } 1231 1232 /* 1233 * Make sure the packet fit in one buffer. This should 1234 * always be the case. But the Lite-On PNIC, rev 33 1235 * has an awful receive engine bug, which may require 1236 * a very icky work-around. 1237 */ 1238 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1239 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1240 printf("%s: incoming packet spilled, resetting\n", 1241 device_xname(sc->sc_dev)); 1242 (void) tlp_init(ifp); 1243 return; 1244 } 1245 1246 /* 1247 * If any collisions were seen on the wire, count one. 1248 */ 1249 if (rxstat & TDSTAT_Rx_CS) 1250 ifp->if_collisions++; 1251 1252 /* 1253 * If an error occurred, update stats, clear the status 1254 * word, and leave the packet buffer in place. It will 1255 * simply be reused the next time the ring comes around. 1256 */ 1257 errors = TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_TL | 1258 TDSTAT_Rx_CS | TDSTAT_Rx_RE | TDSTAT_Rx_DB | TDSTAT_Rx_CE; 1259 /* 1260 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1261 * error. 1262 */ 1263 if ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) != 0) 1264 errors &= ~TDSTAT_Rx_TL; 1265 /* 1266 * If chip doesn't have MII, ignore the MII error bit. 1267 */ 1268 if ((sc->sc_flags & TULIPF_HAS_MII) == 0) 1269 errors &= ~TDSTAT_Rx_RE; 1270 1271 if ((rxstat & TDSTAT_ES) != 0 && 1272 (rxstat & errors) != 0) { 1273 rxstat &= errors; 1274 #define PRINTERR(bit, str) \ 1275 if (rxstat & (bit)) \ 1276 aprint_error_dev(sc->sc_dev, "receive error: %s\n", \ 1277 str) 1278 ifp->if_ierrors++; 1279 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1280 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1281 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1282 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1283 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1284 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1285 #undef PRINTERR 1286 TULIP_INIT_RXDESC(sc, i); 1287 continue; 1288 } 1289 1290 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1291 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1292 1293 /* 1294 * No errors; receive the packet. Note the Tulip 1295 * includes the CRC with every packet. 1296 */ 1297 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1298 1299 #ifdef __NO_STRICT_ALIGNMENT 1300 /* 1301 * Allocate a new mbuf cluster. If that fails, we are 1302 * out of memory, and must drop the packet and recycle 1303 * the buffer that's already attached to this descriptor. 1304 */ 1305 m = rxs->rxs_mbuf; 1306 if (tlp_add_rxbuf(sc, i) != 0) { 1307 ifp->if_ierrors++; 1308 TULIP_INIT_RXDESC(sc, i); 1309 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1310 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1311 continue; 1312 } 1313 #else 1314 /* 1315 * The Tulip's receive buffers must be 4-byte aligned. 1316 * But this means that the data after the Ethernet header 1317 * is misaligned. We must allocate a new buffer and 1318 * copy the data, shifted forward 2 bytes. 1319 */ 1320 MGETHDR(m, M_DONTWAIT, MT_DATA); 1321 if (m == NULL) { 1322 dropit: 1323 ifp->if_ierrors++; 1324 TULIP_INIT_RXDESC(sc, i); 1325 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1326 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1327 continue; 1328 } 1329 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1330 if (len > (MHLEN - 2)) { 1331 MCLGET(m, M_DONTWAIT); 1332 if ((m->m_flags & M_EXT) == 0) { 1333 m_freem(m); 1334 goto dropit; 1335 } 1336 } 1337 m->m_data += 2; 1338 1339 /* 1340 * Note that we use clusters for incoming frames, so the 1341 * buffer is virtually contiguous. 1342 */ 1343 memcpy(mtod(m, void *), mtod(rxs->rxs_mbuf, void *), len); 1344 1345 /* Allow the receive descriptor to continue using its mbuf. */ 1346 TULIP_INIT_RXDESC(sc, i); 1347 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1348 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1349 #endif /* __NO_STRICT_ALIGNMENT */ 1350 1351 ifp->if_ipackets++; 1352 eh = mtod(m, struct ether_header *); 1353 m->m_pkthdr.rcvif = ifp; 1354 m->m_pkthdr.len = m->m_len = len; 1355 1356 /* 1357 * XXX Work-around for a weird problem with the emulated 1358 * 21041 on Connectix Virtual PC: 1359 * 1360 * When we receive a full-size TCP segment, we seem to get 1361 * a packet there the Rx status says 1522 bytes, yet we do 1362 * not get a frame-too-long error from the chip. The extra 1363 * bytes seem to always be zeros. Perhaps Virtual PC is 1364 * inserting 4 bytes of zeros after every packet. In any 1365 * case, let's try and detect this condition and truncate 1366 * the length so that it will pass up the stack. 1367 */ 1368 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1369 uint16_t etype = ntohs(eh->ether_type); 1370 1371 if (len > ETHER_MAX_FRAME(ifp, etype, 0)) 1372 m->m_pkthdr.len = m->m_len = len = 1373 ETHER_MAX_FRAME(ifp, etype, 0); 1374 } 1375 1376 /* 1377 * Pass this up to any BPF listeners, but only 1378 * pass it up the stack if it's for us. 1379 */ 1380 bpf_mtap(ifp, m); 1381 1382 /* 1383 * We sometimes have to run the 21140 in Hash-Only 1384 * mode. If we're in that mode, and not in promiscuous 1385 * mode, and we have a unicast packet that isn't for 1386 * us, then drop it. 1387 */ 1388 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1389 (ifp->if_flags & IFF_PROMISC) == 0 && 1390 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1391 memcmp(CLLADDR(ifp->if_sadl), eh->ether_dhost, 1392 ETHER_ADDR_LEN) != 0) { 1393 m_freem(m); 1394 continue; 1395 } 1396 1397 /* Pass it on. */ 1398 (*ifp->if_input)(ifp, m); 1399 } 1400 1401 /* Update the receive pointer. */ 1402 sc->sc_rxptr = i; 1403 } 1404 1405 /* 1406 * tlp_txintr: 1407 * 1408 * Helper; handle transmit interrupts. 1409 */ 1410 static void 1411 tlp_txintr(struct tulip_softc *sc) 1412 { 1413 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1414 struct tulip_txsoft *txs; 1415 uint32_t txstat; 1416 1417 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1418 device_xname(sc->sc_dev), sc->sc_flags)); 1419 1420 ifp->if_flags &= ~IFF_OACTIVE; 1421 1422 /* 1423 * Go through our Tx list and free mbufs for those 1424 * frames that have been transmitted. 1425 */ 1426 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1427 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1428 txs->txs_ndescs, 1429 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1430 1431 #ifdef TLP_DEBUG 1432 if (ifp->if_flags & IFF_DEBUG) { 1433 int i; 1434 struct tulip_desc *txd; 1435 printf(" txsoft %p transmit chain:\n", txs); 1436 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1437 txd = &sc->sc_txdescs[i]; 1438 printf(" descriptor %d:\n", i); 1439 printf(" td_status: 0x%08x\n", 1440 le32toh(txd->td_status)); 1441 printf(" td_ctl: 0x%08x\n", 1442 le32toh(txd->td_ctl)); 1443 printf(" td_bufaddr1: 0x%08x\n", 1444 le32toh(txd->td_bufaddr1)); 1445 printf(" td_bufaddr2: 0x%08x\n", 1446 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1447 if (i == txs->txs_lastdesc) 1448 break; 1449 } 1450 } 1451 #endif 1452 1453 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1454 if (txstat & TDSTAT_OWN) 1455 break; 1456 1457 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1458 1459 sc->sc_txfree += txs->txs_ndescs; 1460 1461 if (txs->txs_mbuf == NULL) { 1462 /* 1463 * If we didn't have an mbuf, it was the setup 1464 * packet. 1465 */ 1466 #ifdef DIAGNOSTIC 1467 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1468 panic("tlp_txintr: null mbuf, not doing setup"); 1469 #endif 1470 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1471 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1472 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1473 continue; 1474 } 1475 1476 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1477 0, txs->txs_dmamap->dm_mapsize, 1478 BUS_DMASYNC_POSTWRITE); 1479 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1480 m_freem(txs->txs_mbuf); 1481 txs->txs_mbuf = NULL; 1482 1483 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1484 1485 /* 1486 * Check for errors and collisions. 1487 */ 1488 #ifdef TLP_STATS 1489 if (txstat & TDSTAT_Tx_UF) 1490 sc->sc_stats.ts_tx_uf++; 1491 if (txstat & TDSTAT_Tx_TO) 1492 sc->sc_stats.ts_tx_to++; 1493 if (txstat & TDSTAT_Tx_EC) 1494 sc->sc_stats.ts_tx_ec++; 1495 if (txstat & TDSTAT_Tx_LC) 1496 sc->sc_stats.ts_tx_lc++; 1497 #endif 1498 1499 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1500 ifp->if_oerrors++; 1501 1502 if (txstat & TDSTAT_Tx_EC) 1503 ifp->if_collisions += 16; 1504 else 1505 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1506 if (txstat & TDSTAT_Tx_LC) 1507 ifp->if_collisions++; 1508 1509 ifp->if_opackets++; 1510 } 1511 1512 /* 1513 * If there are no more pending transmissions, cancel the watchdog 1514 * timer. 1515 */ 1516 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1517 ifp->if_timer = 0; 1518 1519 /* 1520 * If we have a receive filter setup pending, do it now. 1521 */ 1522 if (sc->sc_flags & TULIPF_WANT_SETUP) 1523 (*sc->sc_filter_setup)(sc); 1524 } 1525 1526 #ifdef TLP_STATS 1527 void 1528 tlp_print_stats(struct tulip_softc *sc) 1529 { 1530 1531 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1532 device_xname(sc->sc_dev), 1533 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1534 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1535 } 1536 #endif 1537 1538 /* 1539 * tlp_reset: 1540 * 1541 * Perform a soft reset on the Tulip. 1542 */ 1543 void 1544 tlp_reset(struct tulip_softc *sc) 1545 { 1546 int i; 1547 1548 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1549 1550 /* 1551 * Xircom, ASIX and Conexant clones don't bring themselves 1552 * out of reset automatically. 1553 * Instead, we have to wait at least 50 PCI cycles, and then 1554 * clear SWR. 1555 */ 1556 switch (sc->sc_chip) { 1557 case TULIP_CHIP_X3201_3: 1558 case TULIP_CHIP_AX88140: 1559 case TULIP_CHIP_AX88141: 1560 case TULIP_CHIP_RS7112: 1561 delay(10); 1562 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1563 break; 1564 default: 1565 break; 1566 } 1567 1568 for (i = 0; i < 1000; i++) { 1569 /* 1570 * Wait at least 50 PCI cycles for the reset to 1571 * complete before peeking at the Tulip again. 1572 * 10 uSec is a bit longer than 50 PCI cycles 1573 * (at 33MHz), but it doesn't hurt have the extra 1574 * wait. 1575 */ 1576 delay(10); 1577 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1578 break; 1579 } 1580 1581 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1582 aprint_error_dev(sc->sc_dev, "reset failed to complete\n"); 1583 1584 delay(1000); 1585 1586 /* 1587 * If the board has any GPIO reset sequences to issue, do them now. 1588 */ 1589 if (sc->sc_reset != NULL) 1590 (*sc->sc_reset)(sc); 1591 } 1592 1593 /* 1594 * tlp_init: [ ifnet interface function ] 1595 * 1596 * Initialize the interface. Must be called at splnet(). 1597 */ 1598 static int 1599 tlp_init(struct ifnet *ifp) 1600 { 1601 struct tulip_softc *sc = ifp->if_softc; 1602 struct tulip_txsoft *txs; 1603 struct tulip_rxsoft *rxs; 1604 int i, error = 0; 1605 1606 if ((error = tlp_enable(sc)) != 0) 1607 goto out; 1608 1609 /* 1610 * Cancel any pending I/O. 1611 */ 1612 tlp_stop(ifp, 0); 1613 1614 /* 1615 * Initialize `opmode' to 0, and call the pre-init routine, if 1616 * any. This is required because the 2114x and some of the 1617 * clones require that the media-related bits in `opmode' be 1618 * set before performing a soft-reset in order to get internal 1619 * chip pathways are correct. Yay! 1620 */ 1621 sc->sc_opmode = 0; 1622 if (sc->sc_preinit != NULL) 1623 (*sc->sc_preinit)(sc); 1624 1625 /* 1626 * Reset the Tulip to a known state. 1627 */ 1628 tlp_reset(sc); 1629 1630 /* 1631 * Initialize the BUSMODE register. 1632 */ 1633 sc->sc_busmode = BUSMODE_BAR; 1634 switch (sc->sc_chip) { 1635 case TULIP_CHIP_21140: 1636 case TULIP_CHIP_21140A: 1637 case TULIP_CHIP_21142: 1638 case TULIP_CHIP_21143: 1639 case TULIP_CHIP_82C115: 1640 case TULIP_CHIP_MX98725: 1641 /* 1642 * If we're allowed to do so, use Memory Read Line 1643 * and Memory Read Multiple. 1644 * 1645 * XXX Should we use Memory Write and Invalidate? 1646 */ 1647 if (sc->sc_flags & TULIPF_MRL) 1648 sc->sc_busmode |= BUSMODE_RLE; 1649 if (sc->sc_flags & TULIPF_MRM) 1650 sc->sc_busmode |= BUSMODE_RME; 1651 #if 0 1652 if (sc->sc_flags & TULIPF_MWI) 1653 sc->sc_busmode |= BUSMODE_WLE; 1654 #endif 1655 break; 1656 1657 case TULIP_CHIP_82C168: 1658 case TULIP_CHIP_82C169: 1659 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1660 if (sc->sc_maxburst == 0) 1661 sc->sc_maxburst = 16; 1662 break; 1663 1664 case TULIP_CHIP_AX88140: 1665 case TULIP_CHIP_AX88141: 1666 if (sc->sc_maxburst == 0) 1667 sc->sc_maxburst = 16; 1668 break; 1669 1670 default: 1671 /* Nothing. */ 1672 break; 1673 } 1674 switch (sc->sc_cacheline) { 1675 default: 1676 /* 1677 * Note: We must *always* set these bits; a cache 1678 * alignment of 0 is RESERVED. 1679 */ 1680 case 8: 1681 sc->sc_busmode |= BUSMODE_CAL_8LW; 1682 break; 1683 case 16: 1684 sc->sc_busmode |= BUSMODE_CAL_16LW; 1685 break; 1686 case 32: 1687 sc->sc_busmode |= BUSMODE_CAL_32LW; 1688 break; 1689 } 1690 switch (sc->sc_maxburst) { 1691 case 1: 1692 sc->sc_busmode |= BUSMODE_PBL_1LW; 1693 break; 1694 case 2: 1695 sc->sc_busmode |= BUSMODE_PBL_2LW; 1696 break; 1697 case 4: 1698 sc->sc_busmode |= BUSMODE_PBL_4LW; 1699 break; 1700 case 8: 1701 sc->sc_busmode |= BUSMODE_PBL_8LW; 1702 break; 1703 case 16: 1704 sc->sc_busmode |= BUSMODE_PBL_16LW; 1705 break; 1706 case 32: 1707 sc->sc_busmode |= BUSMODE_PBL_32LW; 1708 break; 1709 default: 1710 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1711 break; 1712 } 1713 #if BYTE_ORDER == BIG_ENDIAN 1714 /* 1715 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1716 * support them, and even on ones that do, it doesn't 1717 * always work. So we always access descriptors with 1718 * little endian via htole32/le32toh. 1719 */ 1720 #endif 1721 /* 1722 * Big-endian bus requires BUSMODE_BLE anyway. 1723 * Also, BUSMODE_DBO is needed because we assume 1724 * descriptors are little endian. 1725 */ 1726 if (sc->sc_flags & TULIPF_BLE) 1727 sc->sc_busmode |= BUSMODE_BLE; 1728 if (sc->sc_flags & TULIPF_DBO) 1729 sc->sc_busmode |= BUSMODE_DBO; 1730 1731 /* 1732 * Some chips have a broken bus interface. 1733 */ 1734 switch (sc->sc_chip) { 1735 case TULIP_CHIP_DM9102: 1736 case TULIP_CHIP_DM9102A: 1737 sc->sc_busmode = 0; 1738 break; 1739 1740 default: 1741 /* Nothing. */ 1742 break; 1743 } 1744 1745 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1746 1747 /* 1748 * Initialize the OPMODE register. We don't write it until 1749 * we're ready to begin the transmit and receive processes. 1750 * 1751 * Media-related OPMODE bits are set in the media callbacks 1752 * for each specific chip/board. 1753 */ 1754 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1755 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1756 1757 /* 1758 * Magical mystery initialization on the Macronix chips. 1759 * The MX98713 uses its own magic value, the rest share 1760 * a common one. 1761 */ 1762 switch (sc->sc_chip) { 1763 case TULIP_CHIP_MX98713: 1764 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1765 break; 1766 1767 case TULIP_CHIP_MX98713A: 1768 case TULIP_CHIP_MX98715: 1769 case TULIP_CHIP_MX98715A: 1770 case TULIP_CHIP_MX98715AEC_X: 1771 case TULIP_CHIP_MX98725: 1772 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1773 break; 1774 1775 default: 1776 /* Nothing. */ 1777 break; 1778 } 1779 1780 /* 1781 * Initialize the transmit descriptor ring. 1782 */ 1783 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1784 for (i = 0; i < TULIP_NTXDESC; i++) { 1785 struct tulip_desc *txd = &sc->sc_txdescs[i]; 1786 txd->td_ctl = htole32(sc->sc_tdctl_ch); 1787 txd->td_bufaddr2 = htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1788 } 1789 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1790 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1791 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1792 sc->sc_txfree = TULIP_NTXDESC; 1793 sc->sc_txnext = 0; 1794 1795 /* 1796 * Initialize the transmit job descriptors. 1797 */ 1798 SIMPLEQ_INIT(&sc->sc_txfreeq); 1799 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1800 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1801 txs = &sc->sc_txsoft[i]; 1802 txs->txs_mbuf = NULL; 1803 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1804 } 1805 1806 /* 1807 * Initialize the receive descriptor and receive job 1808 * descriptor rings. 1809 */ 1810 for (i = 0; i < TULIP_NRXDESC; i++) { 1811 rxs = &sc->sc_rxsoft[i]; 1812 if (rxs->rxs_mbuf == NULL) { 1813 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1814 aprint_error_dev(sc->sc_dev, "unable to allocate or map rx " 1815 "buffer %d, error = %d\n", 1816 i, error); 1817 /* 1818 * XXX Should attempt to run with fewer receive 1819 * XXX buffers instead of just failing. 1820 */ 1821 tlp_rxdrain(sc); 1822 goto out; 1823 } 1824 } else 1825 TULIP_INIT_RXDESC(sc, i); 1826 } 1827 sc->sc_rxptr = 0; 1828 1829 /* 1830 * Initialize the interrupt mask and enable interrupts. 1831 */ 1832 /* normal interrupts */ 1833 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1834 1835 /* abnormal interrupts */ 1836 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1837 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1838 1839 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1840 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1841 1842 switch (sc->sc_chip) { 1843 case TULIP_CHIP_WB89C840F: 1844 /* 1845 * Clear bits that we don't want that happen to 1846 * overlap or don't exist. 1847 */ 1848 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1849 break; 1850 1851 default: 1852 /* Nothing. */ 1853 break; 1854 } 1855 1856 sc->sc_rxint_mask &= sc->sc_inten; 1857 sc->sc_txint_mask &= sc->sc_inten; 1858 1859 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1860 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1861 1862 /* 1863 * Give the transmit and receive rings to the Tulip. 1864 */ 1865 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1866 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1867 1868 /* 1869 * On chips that do this differently, set the station address. 1870 */ 1871 switch (sc->sc_chip) { 1872 case TULIP_CHIP_WB89C840F: 1873 { 1874 /* XXX Do this with stream writes? */ 1875 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1876 1877 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1878 bus_space_write_1(sc->sc_st, sc->sc_sh, 1879 cpa + i, CLLADDR(ifp->if_sadl)[i]); 1880 } 1881 break; 1882 } 1883 1884 case TULIP_CHIP_AL981: 1885 case TULIP_CHIP_AN983: 1886 case TULIP_CHIP_AN985: 1887 { 1888 uint32_t reg; 1889 const uint8_t *enaddr = CLLADDR(ifp->if_sadl); 1890 1891 reg = enaddr[0] | 1892 (enaddr[1] << 8) | 1893 (enaddr[2] << 16) | 1894 (enaddr[3] << 24); 1895 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1896 1897 reg = enaddr[4] | 1898 (enaddr[5] << 8); 1899 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1900 break; 1901 } 1902 1903 case TULIP_CHIP_AX88140: 1904 case TULIP_CHIP_AX88141: 1905 { 1906 uint32_t reg; 1907 const uint8_t *enaddr = CLLADDR(ifp->if_sadl); 1908 1909 reg = enaddr[0] | 1910 (enaddr[1] << 8) | 1911 (enaddr[2] << 16) | 1912 (enaddr[3] << 24); 1913 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); 1914 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1915 1916 reg = enaddr[4] | (enaddr[5] << 8); 1917 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); 1918 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1919 break; 1920 } 1921 1922 default: 1923 /* Nothing. */ 1924 break; 1925 } 1926 1927 /* 1928 * Set the receive filter. This will start the transmit and 1929 * receive processes. 1930 */ 1931 (*sc->sc_filter_setup)(sc); 1932 1933 /* 1934 * Set the current media. 1935 */ 1936 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1937 1938 /* 1939 * Start the receive process. 1940 */ 1941 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1942 1943 if (sc->sc_tick != NULL) { 1944 /* Start the one second clock. */ 1945 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1946 } 1947 1948 /* 1949 * Note that the interface is now running. 1950 */ 1951 ifp->if_flags |= IFF_RUNNING; 1952 ifp->if_flags &= ~IFF_OACTIVE; 1953 sc->sc_if_flags = ifp->if_flags; 1954 1955 out: 1956 if (error) { 1957 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1958 ifp->if_timer = 0; 1959 printf("%s: interface not running\n", device_xname(sc->sc_dev)); 1960 } 1961 return (error); 1962 } 1963 1964 /* 1965 * tlp_enable: 1966 * 1967 * Enable the Tulip chip. 1968 */ 1969 static int 1970 tlp_enable(struct tulip_softc *sc) 1971 { 1972 1973 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1974 if ((*sc->sc_enable)(sc) != 0) { 1975 aprint_error_dev(sc->sc_dev, "device enable failed\n"); 1976 return (EIO); 1977 } 1978 sc->sc_flags |= TULIPF_ENABLED; 1979 } 1980 return (0); 1981 } 1982 1983 /* 1984 * tlp_disable: 1985 * 1986 * Disable the Tulip chip. 1987 */ 1988 static void 1989 tlp_disable(struct tulip_softc *sc) 1990 { 1991 1992 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1993 (*sc->sc_disable)(sc); 1994 sc->sc_flags &= ~TULIPF_ENABLED; 1995 } 1996 } 1997 1998 /* 1999 * tlp_rxdrain: 2000 * 2001 * Drain the receive queue. 2002 */ 2003 static void 2004 tlp_rxdrain(struct tulip_softc *sc) 2005 { 2006 struct tulip_rxsoft *rxs; 2007 int i; 2008 2009 for (i = 0; i < TULIP_NRXDESC; i++) { 2010 rxs = &sc->sc_rxsoft[i]; 2011 if (rxs->rxs_mbuf != NULL) { 2012 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2013 m_freem(rxs->rxs_mbuf); 2014 rxs->rxs_mbuf = NULL; 2015 } 2016 } 2017 } 2018 2019 /* 2020 * tlp_stop: [ ifnet interface function ] 2021 * 2022 * Stop transmission on the interface. 2023 */ 2024 static void 2025 tlp_stop(struct ifnet *ifp, int disable) 2026 { 2027 struct tulip_softc *sc = ifp->if_softc; 2028 struct tulip_txsoft *txs; 2029 2030 if (sc->sc_tick != NULL) { 2031 /* Stop the one second clock. */ 2032 callout_stop(&sc->sc_tick_callout); 2033 } 2034 2035 if (sc->sc_flags & TULIPF_HAS_MII) { 2036 /* Down the MII. */ 2037 mii_down(&sc->sc_mii); 2038 } 2039 2040 /* Disable interrupts. */ 2041 TULIP_WRITE(sc, CSR_INTEN, 0); 2042 2043 /* Stop the transmit and receive processes. */ 2044 sc->sc_opmode = 0; 2045 TULIP_WRITE(sc, CSR_OPMODE, 0); 2046 TULIP_WRITE(sc, CSR_RXLIST, 0); 2047 TULIP_WRITE(sc, CSR_TXLIST, 0); 2048 2049 /* 2050 * Release any queued transmit buffers. 2051 */ 2052 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2053 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2054 if (txs->txs_mbuf != NULL) { 2055 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2056 m_freem(txs->txs_mbuf); 2057 txs->txs_mbuf = NULL; 2058 } 2059 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2060 } 2061 2062 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2063 2064 /* 2065 * Mark the interface down and cancel the watchdog timer. 2066 */ 2067 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2068 sc->sc_if_flags = ifp->if_flags; 2069 ifp->if_timer = 0; 2070 2071 /* 2072 * Reset the chip (needed on some flavors to actually disable it). 2073 */ 2074 tlp_reset(sc); 2075 2076 if (disable) { 2077 tlp_rxdrain(sc); 2078 tlp_disable(sc); 2079 } 2080 } 2081 2082 #define SROM_EMIT(sc, x) \ 2083 do { \ 2084 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2085 delay(2); \ 2086 } while (0) 2087 2088 /* 2089 * tlp_srom_idle: 2090 * 2091 * Put the SROM in idle state. 2092 */ 2093 static void 2094 tlp_srom_idle(struct tulip_softc *sc) 2095 { 2096 uint32_t miirom; 2097 int i; 2098 2099 miirom = MIIROM_SR; 2100 SROM_EMIT(sc, miirom); 2101 2102 miirom |= MIIROM_RD; 2103 SROM_EMIT(sc, miirom); 2104 2105 miirom |= MIIROM_SROMCS; 2106 SROM_EMIT(sc, miirom); 2107 2108 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2109 2110 /* Strobe the clock 32 times. */ 2111 for (i = 0; i < 32; i++) { 2112 SROM_EMIT(sc, miirom); 2113 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2114 } 2115 2116 SROM_EMIT(sc, miirom); 2117 2118 miirom &= ~MIIROM_SROMCS; 2119 SROM_EMIT(sc, miirom); 2120 2121 SROM_EMIT(sc, 0); 2122 } 2123 2124 /* 2125 * tlp_srom_size: 2126 * 2127 * Determine the number of address bits in the SROM. 2128 */ 2129 static int 2130 tlp_srom_size(struct tulip_softc *sc) 2131 { 2132 uint32_t miirom; 2133 int x; 2134 2135 /* Select the SROM. */ 2136 miirom = MIIROM_SR; 2137 SROM_EMIT(sc, miirom); 2138 2139 miirom |= MIIROM_RD; 2140 SROM_EMIT(sc, miirom); 2141 2142 /* Send CHIP SELECT for one clock tick. */ 2143 miirom |= MIIROM_SROMCS; 2144 SROM_EMIT(sc, miirom); 2145 2146 /* Shift in the READ opcode. */ 2147 for (x = 3; x > 0; x--) { 2148 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2149 miirom |= MIIROM_SROMDI; 2150 else 2151 miirom &= ~MIIROM_SROMDI; 2152 SROM_EMIT(sc, miirom); 2153 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2154 SROM_EMIT(sc, miirom); 2155 } 2156 2157 /* Shift in address and look for dummy 0 bit. */ 2158 for (x = 1; x <= 12; x++) { 2159 miirom &= ~MIIROM_SROMDI; 2160 SROM_EMIT(sc, miirom); 2161 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2162 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2163 break; 2164 SROM_EMIT(sc, miirom); 2165 } 2166 2167 /* Clear CHIP SELECT. */ 2168 miirom &= ~MIIROM_SROMCS; 2169 SROM_EMIT(sc, miirom); 2170 2171 /* Deselect the SROM. */ 2172 SROM_EMIT(sc, 0); 2173 2174 if (x < 4 || x > 12) { 2175 aprint_debug_dev(sc->sc_dev, "broken MicroWire interface detected; " 2176 "setting SROM size to 1Kb\n"); 2177 return (6); 2178 } else { 2179 if (tlp_srom_debug) 2180 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2181 device_xname(sc->sc_dev), x, (1 << (x + 4)) >> 3); 2182 return (x); 2183 } 2184 } 2185 2186 /* 2187 * tlp_read_srom: 2188 * 2189 * Read the Tulip SROM. 2190 */ 2191 int 2192 tlp_read_srom(struct tulip_softc *sc) 2193 { 2194 int size; 2195 uint32_t miirom; 2196 uint16_t datain; 2197 int i, x; 2198 2199 tlp_srom_idle(sc); 2200 2201 sc->sc_srom_addrbits = tlp_srom_size(sc); 2202 if (sc->sc_srom_addrbits == 0) 2203 return (0); 2204 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2205 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2206 2207 /* Select the SROM. */ 2208 miirom = MIIROM_SR; 2209 SROM_EMIT(sc, miirom); 2210 2211 miirom |= MIIROM_RD; 2212 SROM_EMIT(sc, miirom); 2213 2214 for (i = 0; i < size; i += 2) { 2215 /* Send CHIP SELECT for one clock tick. */ 2216 miirom |= MIIROM_SROMCS; 2217 SROM_EMIT(sc, miirom); 2218 2219 /* Shift in the READ opcode. */ 2220 for (x = 3; x > 0; x--) { 2221 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2222 miirom |= MIIROM_SROMDI; 2223 else 2224 miirom &= ~MIIROM_SROMDI; 2225 SROM_EMIT(sc, miirom); 2226 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2227 SROM_EMIT(sc, miirom); 2228 } 2229 2230 /* Shift in address. */ 2231 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2232 if (i & (1 << x)) 2233 miirom |= MIIROM_SROMDI; 2234 else 2235 miirom &= ~MIIROM_SROMDI; 2236 SROM_EMIT(sc, miirom); 2237 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2238 SROM_EMIT(sc, miirom); 2239 } 2240 2241 /* Shift out data. */ 2242 miirom &= ~MIIROM_SROMDI; 2243 datain = 0; 2244 for (x = 16; x > 0; x--) { 2245 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2246 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2247 datain |= (1 << (x - 1)); 2248 SROM_EMIT(sc, miirom); 2249 } 2250 sc->sc_srom[i] = datain & 0xff; 2251 sc->sc_srom[i + 1] = datain >> 8; 2252 2253 /* Clear CHIP SELECT. */ 2254 miirom &= ~MIIROM_SROMCS; 2255 SROM_EMIT(sc, miirom); 2256 } 2257 2258 /* Deselect the SROM. */ 2259 SROM_EMIT(sc, 0); 2260 2261 /* ...and idle it. */ 2262 tlp_srom_idle(sc); 2263 2264 if (tlp_srom_debug) { 2265 printf("SROM CONTENTS:"); 2266 for (i = 0; i < size; i++) { 2267 if ((i % 8) == 0) 2268 printf("\n\t"); 2269 printf("0x%02x ", sc->sc_srom[i]); 2270 } 2271 printf("\n"); 2272 } 2273 2274 return (1); 2275 } 2276 2277 #undef SROM_EMIT 2278 2279 /* 2280 * tlp_add_rxbuf: 2281 * 2282 * Add a receive buffer to the indicated descriptor. 2283 */ 2284 static int 2285 tlp_add_rxbuf(struct tulip_softc *sc, int idx) 2286 { 2287 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2288 struct mbuf *m; 2289 int error; 2290 2291 MGETHDR(m, M_DONTWAIT, MT_DATA); 2292 if (m == NULL) 2293 return (ENOBUFS); 2294 2295 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2296 MCLGET(m, M_DONTWAIT); 2297 if ((m->m_flags & M_EXT) == 0) { 2298 m_freem(m); 2299 return (ENOBUFS); 2300 } 2301 2302 if (rxs->rxs_mbuf != NULL) 2303 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2304 2305 rxs->rxs_mbuf = m; 2306 2307 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2308 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2309 BUS_DMA_READ|BUS_DMA_NOWAIT); 2310 if (error) { 2311 aprint_error_dev(sc->sc_dev, "can't load rx DMA map %d, error = %d\n", 2312 idx, error); 2313 panic("tlp_add_rxbuf"); /* XXX */ 2314 } 2315 2316 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2317 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2318 2319 TULIP_INIT_RXDESC(sc, idx); 2320 2321 return (0); 2322 } 2323 2324 /* 2325 * tlp_srom_crcok: 2326 * 2327 * Check the CRC of the Tulip SROM. 2328 */ 2329 int 2330 tlp_srom_crcok(const uint8_t *romdata) 2331 { 2332 uint32_t crc; 2333 2334 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2335 crc = (crc & 0xffff) ^ 0xffff; 2336 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2337 return (1); 2338 2339 /* 2340 * Try an alternate checksum. 2341 */ 2342 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2343 crc = (crc & 0xffff) ^ 0xffff; 2344 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2345 return (1); 2346 2347 return (0); 2348 } 2349 2350 /* 2351 * tlp_isv_srom: 2352 * 2353 * Check to see if the SROM is in the new standardized format. 2354 */ 2355 int 2356 tlp_isv_srom(const uint8_t *romdata) 2357 { 2358 int i; 2359 uint16_t cksum; 2360 2361 if (tlp_srom_crcok(romdata)) { 2362 /* 2363 * SROM CRC checks out; must be in the new format. 2364 */ 2365 return (1); 2366 } 2367 2368 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2369 if (cksum == 0xffff || cksum == 0) { 2370 /* 2371 * No checksum present. Check the SROM ID; 18 bytes of 0 2372 * followed by 1 (version) followed by the number of 2373 * adapters which use this SROM (should be non-zero). 2374 */ 2375 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2376 if (romdata[i] != 0) 2377 return (0); 2378 } 2379 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2380 return (0); 2381 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2382 return (0); 2383 return (1); 2384 } 2385 2386 return (0); 2387 } 2388 2389 /* 2390 * tlp_isv_srom_enaddr: 2391 * 2392 * Get the Ethernet address from an ISV SROM. 2393 */ 2394 int 2395 tlp_isv_srom_enaddr(struct tulip_softc *sc, uint8_t *enaddr) 2396 { 2397 int i, devcnt; 2398 2399 if (tlp_isv_srom(sc->sc_srom) == 0) 2400 return (0); 2401 2402 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2403 for (i = 0; i < devcnt; i++) { 2404 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2405 break; 2406 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2407 sc->sc_devno) 2408 break; 2409 } 2410 2411 if (i == devcnt) 2412 return (0); 2413 2414 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2415 ETHER_ADDR_LEN); 2416 enaddr[5] += i; 2417 2418 return (1); 2419 } 2420 2421 /* 2422 * tlp_parse_old_srom: 2423 * 2424 * Parse old-format SROMs. 2425 * 2426 * This routine is largely lifted from Matt Thomas's `de' driver. 2427 */ 2428 int 2429 tlp_parse_old_srom(struct tulip_softc *sc, uint8_t *enaddr) 2430 { 2431 static const uint8_t testpat[] = 2432 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2433 int i; 2434 uint32_t cksum; 2435 2436 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2437 /* 2438 * Phobos G100 interfaces have the address at 2439 * offsets 0 and 20, but each pair of bytes is 2440 * swapped. 2441 */ 2442 if (sc->sc_srom_addrbits == 6 && 2443 sc->sc_srom[1] == 0x00 && 2444 sc->sc_srom[0] == 0x60 && 2445 sc->sc_srom[3] == 0xf5 && 2446 memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) { 2447 for (i = 0; i < 6; i += 2) { 2448 enaddr[i] = sc->sc_srom[i + 1]; 2449 enaddr[i + 1] = sc->sc_srom[i]; 2450 } 2451 return (1); 2452 } 2453 2454 /* 2455 * Phobos G130/G160 interfaces have the address at 2456 * offsets 20 and 84, but each pair of bytes is 2457 * swapped. 2458 */ 2459 if (sc->sc_srom_addrbits == 6 && 2460 sc->sc_srom[21] == 0x00 && 2461 sc->sc_srom[20] == 0x60 && 2462 sc->sc_srom[23] == 0xf5 && 2463 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { 2464 for (i = 0; i < 6; i += 2) { 2465 enaddr[i] = sc->sc_srom[20 + i + 1]; 2466 enaddr[i + 1] = sc->sc_srom[20 + i]; 2467 } 2468 return (1); 2469 } 2470 2471 /* 2472 * Cobalt Networks interfaces simply have the address 2473 * in the first six bytes. The rest is zeroed out 2474 * on some models, but others contain unknown data. 2475 */ 2476 if (sc->sc_srom[0] == 0x00 && 2477 sc->sc_srom[1] == 0x10 && 2478 sc->sc_srom[2] == 0xe0) { 2479 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2480 return (1); 2481 } 2482 2483 /* 2484 * Some vendors (e.g. ZNYX) don't use the standard 2485 * DEC Address ROM format, but rather just have an 2486 * Ethernet address in the first 6 bytes, maybe a 2487 * 2 byte checksum, and then all 0xff's. 2488 */ 2489 for (i = 8; i < 32; i++) { 2490 if (sc->sc_srom[i] != 0xff && 2491 sc->sc_srom[i] != 0) 2492 return (0); 2493 } 2494 2495 /* 2496 * Sanity check the Ethernet address: 2497 * 2498 * - Make sure it's not multicast or locally 2499 * assigned 2500 * - Make sure it has a non-0 OUI 2501 */ 2502 if (sc->sc_srom[0] & 3) 2503 return (0); 2504 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2505 sc->sc_srom[2] == 0) 2506 return (0); 2507 2508 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2509 return (1); 2510 } 2511 2512 /* 2513 * Standard DEC Address ROM test. 2514 */ 2515 2516 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2517 return (0); 2518 2519 for (i = 0; i < 8; i++) { 2520 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2521 return (0); 2522 } 2523 2524 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2525 2526 cksum = *(uint16_t *) &enaddr[0]; 2527 2528 cksum <<= 1; 2529 if (cksum > 0xffff) 2530 cksum -= 0xffff; 2531 2532 cksum += *(uint16_t *) &enaddr[2]; 2533 if (cksum > 0xffff) 2534 cksum -= 0xffff; 2535 2536 cksum <<= 1; 2537 if (cksum > 0xffff) 2538 cksum -= 0xffff; 2539 2540 cksum += *(uint16_t *) &enaddr[4]; 2541 if (cksum >= 0xffff) 2542 cksum -= 0xffff; 2543 2544 if (cksum != *(uint16_t *) &sc->sc_srom[6]) 2545 return (0); 2546 2547 return (1); 2548 } 2549 2550 /* 2551 * tlp_filter_setup: 2552 * 2553 * Set the Tulip's receive filter. 2554 */ 2555 static void 2556 tlp_filter_setup(struct tulip_softc *sc) 2557 { 2558 struct ethercom *ec = &sc->sc_ethercom; 2559 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2560 struct ether_multi *enm; 2561 struct ether_multistep step; 2562 volatile uint32_t *sp; 2563 struct tulip_txsoft *txs; 2564 struct tulip_desc *txd; 2565 uint8_t enaddr[ETHER_ADDR_LEN]; 2566 uint32_t hash, hashsize; 2567 int cnt, nexttx; 2568 2569 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2570 device_xname(sc->sc_dev), sc->sc_flags)); 2571 2572 memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2573 2574 /* 2575 * If there are transmissions pending, wait until they have 2576 * completed. 2577 */ 2578 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2579 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2580 sc->sc_flags |= TULIPF_WANT_SETUP; 2581 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2582 device_xname(sc->sc_dev))); 2583 return; 2584 } 2585 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2586 2587 switch (sc->sc_chip) { 2588 case TULIP_CHIP_82C115: 2589 hashsize = TULIP_PNICII_HASHSIZE; 2590 break; 2591 2592 default: 2593 hashsize = TULIP_MCHASHSIZE; 2594 } 2595 2596 /* 2597 * If we're running, idle the transmit and receive engines. If 2598 * we're NOT running, we're being called from tlp_init(), and our 2599 * writing OPMODE will start the transmit and receive processes 2600 * in motion. 2601 */ 2602 if (ifp->if_flags & IFF_RUNNING) 2603 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2604 2605 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2606 2607 if (ifp->if_flags & IFF_PROMISC) { 2608 sc->sc_opmode |= OPMODE_PR; 2609 goto allmulti; 2610 } 2611 2612 /* 2613 * Try Perfect filtering first. 2614 */ 2615 2616 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2617 sp = TULIP_CDSP(sc); 2618 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2619 cnt = 0; 2620 ETHER_FIRST_MULTI(step, ec, enm); 2621 while (enm != NULL) { 2622 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2623 /* 2624 * We must listen to a range of multicast addresses. 2625 * For now, just accept all multicasts, rather than 2626 * trying to set only those filter bits needed to match 2627 * the range. (At this time, the only use of address 2628 * ranges is for IP multicast routing, for which the 2629 * range is big enough to require all bits set.) 2630 */ 2631 goto allmulti; 2632 } 2633 if (cnt == (TULIP_MAXADDRS - 2)) { 2634 /* 2635 * We already have our multicast limit (still need 2636 * our station address and broadcast). Go to 2637 * Hash-Perfect mode. 2638 */ 2639 goto hashperfect; 2640 } 2641 cnt++; 2642 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 0)); 2643 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 1)); 2644 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 2)); 2645 ETHER_NEXT_MULTI(step, enm); 2646 } 2647 2648 if (ifp->if_flags & IFF_BROADCAST) { 2649 /* ...and the broadcast address. */ 2650 cnt++; 2651 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2652 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2653 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2654 } 2655 2656 /* Pad the rest with our station address. */ 2657 for (; cnt < TULIP_MAXADDRS; cnt++) { 2658 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2659 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2660 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2661 } 2662 ifp->if_flags &= ~IFF_ALLMULTI; 2663 goto setit; 2664 2665 hashperfect: 2666 /* 2667 * Try Hash-Perfect mode. 2668 */ 2669 2670 /* 2671 * Some 21140 chips have broken Hash-Perfect modes. On these 2672 * chips, we simply use Hash-Only mode, and put our station 2673 * address into the filter. 2674 */ 2675 if (sc->sc_chip == TULIP_CHIP_21140) 2676 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2677 else 2678 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2679 sp = TULIP_CDSP(sc); 2680 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2681 ETHER_FIRST_MULTI(step, ec, enm); 2682 while (enm != NULL) { 2683 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2684 /* 2685 * We must listen to a range of multicast addresses. 2686 * For now, just accept all multicasts, rather than 2687 * trying to set only those filter bits needed to match 2688 * the range. (At this time, the only use of address 2689 * ranges is for IP multicast routing, for which the 2690 * range is big enough to require all bits set.) 2691 */ 2692 goto allmulti; 2693 } 2694 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2695 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2696 ETHER_NEXT_MULTI(step, enm); 2697 } 2698 2699 if (ifp->if_flags & IFF_BROADCAST) { 2700 /* ...and the broadcast address. */ 2701 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2702 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2703 } 2704 2705 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2706 /* ...and our station address. */ 2707 hash = tlp_mchash(enaddr, hashsize); 2708 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2709 } else { 2710 /* 2711 * Hash-Perfect mode; put our station address after 2712 * the hash table. 2713 */ 2714 sp[39] = htole32(TULIP_SP_FIELD(enaddr, 0)); 2715 sp[40] = htole32(TULIP_SP_FIELD(enaddr, 1)); 2716 sp[41] = htole32(TULIP_SP_FIELD(enaddr, 2)); 2717 } 2718 ifp->if_flags &= ~IFF_ALLMULTI; 2719 goto setit; 2720 2721 allmulti: 2722 /* 2723 * Use Perfect filter mode. First address is the broadcast address, 2724 * and pad the rest with our station address. We'll set Pass-all- 2725 * multicast in OPMODE below. 2726 */ 2727 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2728 sp = TULIP_CDSP(sc); 2729 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2730 cnt = 0; 2731 if (ifp->if_flags & IFF_BROADCAST) { 2732 cnt++; 2733 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2734 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2735 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2736 } 2737 for (; cnt < TULIP_MAXADDRS; cnt++) { 2738 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2739 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2740 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2741 } 2742 ifp->if_flags |= IFF_ALLMULTI; 2743 2744 setit: 2745 if (ifp->if_flags & IFF_ALLMULTI) 2746 sc->sc_opmode |= OPMODE_PM; 2747 2748 /* Sync the setup packet buffer. */ 2749 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2750 2751 /* 2752 * Fill in the setup packet descriptor. 2753 */ 2754 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2755 2756 txs->txs_firstdesc = sc->sc_txnext; 2757 txs->txs_lastdesc = sc->sc_txnext; 2758 txs->txs_ndescs = 1; 2759 txs->txs_mbuf = NULL; 2760 2761 nexttx = sc->sc_txnext; 2762 txd = &sc->sc_txdescs[nexttx]; 2763 txd->td_status = 0; 2764 txd->td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2765 txd->td_ctl = htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2766 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2767 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2768 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2769 TULIP_CDTXSYNC(sc, nexttx, 1, 2770 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2771 2772 #ifdef TLP_DEBUG 2773 if (ifp->if_flags & IFF_DEBUG) { 2774 printf(" filter_setup %p transmit chain:\n", txs); 2775 printf(" descriptor %d:\n", nexttx); 2776 printf(" td_status: 0x%08x\n", le32toh(txd->td_status)); 2777 printf(" td_ctl: 0x%08x\n", le32toh(txd->td_ctl)); 2778 printf(" td_bufaddr1: 0x%08x\n", 2779 le32toh(txd->td_bufaddr1)); 2780 printf(" td_bufaddr2: 0x%08x\n", 2781 le32toh(txd->td_bufaddr2)); 2782 } 2783 #endif 2784 2785 txd->td_status = htole32(TDSTAT_OWN); 2786 TULIP_CDTXSYNC(sc, nexttx, 1, 2787 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2788 2789 /* Advance the tx pointer. */ 2790 sc->sc_txfree -= 1; 2791 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2792 2793 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2794 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2795 2796 /* 2797 * Set the OPMODE register. This will also resume the 2798 * transmit process we idled above. 2799 */ 2800 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2801 2802 sc->sc_flags |= TULIPF_DOING_SETUP; 2803 2804 /* 2805 * Kick the transmitter; this will cause the Tulip to 2806 * read the setup descriptor. 2807 */ 2808 /* XXX USE AUTOPOLLING? */ 2809 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2810 2811 /* Set up a watchdog timer in case the chip flakes out. */ 2812 ifp->if_timer = 5; 2813 2814 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", device_xname(sc->sc_dev))); 2815 } 2816 2817 /* 2818 * tlp_winb_filter_setup: 2819 * 2820 * Set the Winbond 89C840F's receive filter. 2821 */ 2822 static void 2823 tlp_winb_filter_setup(struct tulip_softc *sc) 2824 { 2825 struct ethercom *ec = &sc->sc_ethercom; 2826 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2827 struct ether_multi *enm; 2828 struct ether_multistep step; 2829 uint32_t hash, mchash[2]; 2830 2831 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2832 device_xname(sc->sc_dev), sc->sc_flags)); 2833 2834 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2835 2836 if (ifp->if_flags & IFF_MULTICAST) 2837 sc->sc_opmode |= OPMODE_WINB_AMP; 2838 2839 if (ifp->if_flags & IFF_BROADCAST) 2840 sc->sc_opmode |= OPMODE_WINB_ABP; 2841 2842 if (ifp->if_flags & IFF_PROMISC) { 2843 sc->sc_opmode |= OPMODE_WINB_APP; 2844 goto allmulti; 2845 } 2846 2847 mchash[0] = mchash[1] = 0; 2848 2849 ETHER_FIRST_MULTI(step, ec, enm); 2850 while (enm != NULL) { 2851 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2852 /* 2853 * We must listen to a range of multicast addresses. 2854 * For now, just accept all multicasts, rather than 2855 * trying to set only those filter bits needed to match 2856 * the range. (At this time, the only use of address 2857 * ranges is for IP multicast routing, for which the 2858 * range is big enough to require all bits set.) 2859 */ 2860 goto allmulti; 2861 } 2862 2863 /* 2864 * According to the FreeBSD `wb' driver, yes, you 2865 * really do invert the hash. 2866 */ 2867 hash = 2868 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2869 & 0x3f; 2870 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2871 ETHER_NEXT_MULTI(step, enm); 2872 } 2873 ifp->if_flags &= ~IFF_ALLMULTI; 2874 goto setit; 2875 2876 allmulti: 2877 ifp->if_flags |= IFF_ALLMULTI; 2878 mchash[0] = mchash[1] = 0xffffffff; 2879 2880 setit: 2881 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2882 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2883 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2884 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2885 device_xname(sc->sc_dev))); 2886 } 2887 2888 /* 2889 * tlp_al981_filter_setup: 2890 * 2891 * Set the ADMtek AL981's receive filter. 2892 */ 2893 static void 2894 tlp_al981_filter_setup(struct tulip_softc *sc) 2895 { 2896 struct ethercom *ec = &sc->sc_ethercom; 2897 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2898 struct ether_multi *enm; 2899 struct ether_multistep step; 2900 uint32_t hash, mchash[2]; 2901 2902 /* 2903 * If the chip is running, we need to reset the interface, 2904 * and will revisit here (with IFF_RUNNING) clear. The 2905 * chip seems to really not like to have its multicast 2906 * filter programmed without a reset. 2907 */ 2908 if (ifp->if_flags & IFF_RUNNING) { 2909 (void) tlp_init(ifp); 2910 return; 2911 } 2912 2913 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2914 device_xname(sc->sc_dev), sc->sc_flags)); 2915 2916 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2917 2918 if (ifp->if_flags & IFF_PROMISC) { 2919 sc->sc_opmode |= OPMODE_PR; 2920 goto allmulti; 2921 } 2922 2923 mchash[0] = mchash[1] = 0; 2924 2925 ETHER_FIRST_MULTI(step, ec, enm); 2926 while (enm != NULL) { 2927 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2928 /* 2929 * We must listen to a range of multicast addresses. 2930 * For now, just accept all multicasts, rather than 2931 * trying to set only those filter bits needed to match 2932 * the range. (At this time, the only use of address 2933 * ranges is for IP multicast routing, for which the 2934 * range is big enough to require all bits set.) 2935 */ 2936 goto allmulti; 2937 } 2938 2939 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2940 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2941 ETHER_NEXT_MULTI(step, enm); 2942 } 2943 ifp->if_flags &= ~IFF_ALLMULTI; 2944 goto setit; 2945 2946 allmulti: 2947 ifp->if_flags |= IFF_ALLMULTI; 2948 mchash[0] = mchash[1] = 0xffffffff; 2949 2950 setit: 2951 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2952 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2953 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2954 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2955 device_xname(sc->sc_dev))); 2956 } 2957 2958 /* 2959 * tlp_asix_filter_setup: 2960 * 2961 * Set the ASIX AX8814x recieve filter. 2962 */ 2963 static void 2964 tlp_asix_filter_setup(struct tulip_softc *sc) 2965 { 2966 struct ethercom *ec = &sc->sc_ethercom; 2967 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2968 struct ether_multi *enm; 2969 struct ether_multistep step; 2970 uint32_t hash, mchash[2]; 2971 2972 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 2973 device_xname(sc->sc_dev), sc->sc_flags)); 2974 2975 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 2976 2977 if (ifp->if_flags & IFF_MULTICAST) 2978 sc->sc_opmode |= OPMODE_PM; 2979 2980 if (ifp->if_flags & IFF_BROADCAST) 2981 sc->sc_opmode |= OPMODE_AX_RB; 2982 2983 if (ifp->if_flags & IFF_PROMISC) { 2984 sc->sc_opmode |= OPMODE_PR; 2985 goto allmulti; 2986 } 2987 2988 mchash[0] = mchash[1] = 0; 2989 2990 ETHER_FIRST_MULTI(step, ec, enm); 2991 while (enm != NULL) { 2992 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2993 /* 2994 * We must listen to a range of multicast addresses. 2995 * For now, just accept all multicasts, rather than 2996 * trying to set only those filter bits needed to match 2997 * the range. (At this time, the only use of address 2998 * ranges is for IP multicast routing, for which the 2999 * range is big enough to require all bits set.) 3000 */ 3001 goto allmulti; 3002 } 3003 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3004 & 0x3f; 3005 if (hash < 32) 3006 mchash[0] |= (1 << hash); 3007 else 3008 mchash[1] |= (1 << (hash - 32)); 3009 ETHER_NEXT_MULTI(step, enm); 3010 } 3011 ifp->if_flags &= ~IFF_ALLMULTI; 3012 goto setit; 3013 3014 allmulti: 3015 ifp->if_flags |= IFF_ALLMULTI; 3016 mchash[0] = mchash[1] = 0xffffffff; 3017 3018 setit: 3019 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3020 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3021 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3022 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3023 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3024 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3025 device_xname(sc->sc_dev))); 3026 } 3027 3028 3029 /* 3030 * tlp_idle: 3031 * 3032 * Cause the transmit and/or receive processes to go idle. 3033 */ 3034 void 3035 tlp_idle(struct tulip_softc *sc, uint32_t bits) 3036 { 3037 static const char * const tlp_tx_state_names[] = { 3038 "STOPPED", 3039 "RUNNING - FETCH", 3040 "RUNNING - WAIT", 3041 "RUNNING - READING", 3042 "-- RESERVED --", 3043 "RUNNING - SETUP", 3044 "SUSPENDED", 3045 "RUNNING - CLOSE", 3046 }; 3047 static const char * const tlp_rx_state_names[] = { 3048 "STOPPED", 3049 "RUNNING - FETCH", 3050 "RUNNING - CHECK", 3051 "RUNNING - WAIT", 3052 "SUSPENDED", 3053 "RUNNING - CLOSE", 3054 "RUNNING - FLUSH", 3055 "RUNNING - QUEUE", 3056 }; 3057 static const char * const dm9102_tx_state_names[] = { 3058 "STOPPED", 3059 "RUNNING - FETCH", 3060 "RUNNING - SETUP", 3061 "RUNNING - READING", 3062 "RUNNING - CLOSE - CLEAR OWNER", 3063 "RUNNING - WAIT", 3064 "RUNNING - CLOSE - WRITE STATUS", 3065 "SUSPENDED", 3066 }; 3067 static const char * const dm9102_rx_state_names[] = { 3068 "STOPPED", 3069 "RUNNING - FETCH", 3070 "RUNNING - WAIT", 3071 "RUNNING - QUEUE", 3072 "RUNNING - CLOSE - CLEAR OWNER", 3073 "RUNNING - CLOSE - WRITE STATUS", 3074 "SUSPENDED", 3075 "RUNNING - FLUSH", 3076 }; 3077 3078 const char * const *tx_state_names, * const *rx_state_names; 3079 uint32_t csr, ackmask = 0; 3080 int i; 3081 3082 switch (sc->sc_chip) { 3083 case TULIP_CHIP_DM9102: 3084 case TULIP_CHIP_DM9102A: 3085 tx_state_names = dm9102_tx_state_names; 3086 rx_state_names = dm9102_rx_state_names; 3087 break; 3088 3089 default: 3090 tx_state_names = tlp_tx_state_names; 3091 rx_state_names = tlp_rx_state_names; 3092 break; 3093 } 3094 3095 if (bits & OPMODE_ST) 3096 ackmask |= STATUS_TPS; 3097 3098 if (bits & OPMODE_SR) 3099 ackmask |= STATUS_RPS; 3100 3101 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3102 3103 for (i = 0; i < 1000; i++) { 3104 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3105 break; 3106 delay(10); 3107 } 3108 3109 csr = TULIP_READ(sc, CSR_STATUS); 3110 if ((csr & ackmask) != ackmask) { 3111 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3112 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3113 switch (sc->sc_chip) { 3114 case TULIP_CHIP_AX88140: 3115 case TULIP_CHIP_AX88141: 3116 /* 3117 * Filter the message out on noisy chips. 3118 */ 3119 break; 3120 default: 3121 printf("%s: transmit process failed to idle: " 3122 "state %s\n", device_xname(sc->sc_dev), 3123 tx_state_names[(csr & STATUS_TS) >> 20]); 3124 } 3125 } 3126 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3127 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3128 switch (sc->sc_chip) { 3129 case TULIP_CHIP_AN983: 3130 case TULIP_CHIP_AN985: 3131 case TULIP_CHIP_DM9102A: 3132 case TULIP_CHIP_RS7112: 3133 /* 3134 * Filter the message out on noisy chips. 3135 */ 3136 break; 3137 default: 3138 printf("%s: receive process failed to idle: " 3139 "state %s\n", device_xname(sc->sc_dev), 3140 rx_state_names[(csr & STATUS_RS) >> 17]); 3141 } 3142 } 3143 } 3144 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3145 } 3146 3147 /***************************************************************************** 3148 * Generic media support functions. 3149 *****************************************************************************/ 3150 3151 /* 3152 * tlp_mediastatus: [ifmedia interface function] 3153 * 3154 * Query the current media. 3155 */ 3156 void 3157 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3158 { 3159 struct tulip_softc *sc = ifp->if_softc; 3160 3161 if (TULIP_IS_ENABLED(sc) == 0) { 3162 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3163 ifmr->ifm_status = 0; 3164 return; 3165 } 3166 3167 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3168 } 3169 3170 /* 3171 * tlp_mediachange: [ifmedia interface function] 3172 * 3173 * Update the current media. 3174 */ 3175 int 3176 tlp_mediachange(struct ifnet *ifp) 3177 { 3178 struct tulip_softc *sc = ifp->if_softc; 3179 3180 if ((ifp->if_flags & IFF_UP) == 0) 3181 return (0); 3182 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3183 } 3184 3185 /***************************************************************************** 3186 * Support functions for MII-attached media. 3187 *****************************************************************************/ 3188 3189 /* 3190 * tlp_mii_tick: 3191 * 3192 * One second timer, used to tick the MII. 3193 */ 3194 static void 3195 tlp_mii_tick(void *arg) 3196 { 3197 struct tulip_softc *sc = arg; 3198 int s; 3199 3200 if (!device_is_active(sc->sc_dev)) 3201 return; 3202 3203 s = splnet(); 3204 mii_tick(&sc->sc_mii); 3205 splx(s); 3206 3207 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3208 } 3209 3210 /* 3211 * tlp_mii_statchg: [mii interface function] 3212 * 3213 * Callback from PHY when media changes. 3214 */ 3215 static void 3216 tlp_mii_statchg(device_t self) 3217 { 3218 struct tulip_softc *sc = device_private(self); 3219 3220 /* Idle the transmit and receive processes. */ 3221 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3222 3223 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3224 3225 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3226 sc->sc_opmode |= OPMODE_TTM; 3227 else 3228 sc->sc_opmode |= OPMODE_HBD; 3229 3230 if (sc->sc_mii.mii_media_active & IFM_FDX) 3231 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3232 3233 /* 3234 * Write new OPMODE bits. This also restarts the transmit 3235 * and receive processes. 3236 */ 3237 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3238 } 3239 3240 /* 3241 * tlp_winb_mii_statchg: [mii interface function] 3242 * 3243 * Callback from PHY when media changes. This version is 3244 * for the Winbond 89C840F, which has different OPMODE bits. 3245 */ 3246 static void 3247 tlp_winb_mii_statchg(device_t self) 3248 { 3249 struct tulip_softc *sc = device_private(self); 3250 3251 /* Idle the transmit and receive processes. */ 3252 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3253 3254 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3255 3256 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3257 sc->sc_opmode |= OPMODE_WINB_FES; 3258 3259 if (sc->sc_mii.mii_media_active & IFM_FDX) 3260 sc->sc_opmode |= OPMODE_FD; 3261 3262 /* 3263 * Write new OPMODE bits. This also restarts the transmit 3264 * and receive processes. 3265 */ 3266 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3267 } 3268 3269 /* 3270 * tlp_dm9102_mii_statchg: [mii interface function] 3271 * 3272 * Callback from PHY when media changes. This version is 3273 * for the DM9102. 3274 */ 3275 static void 3276 tlp_dm9102_mii_statchg(device_t self) 3277 { 3278 struct tulip_softc *sc = device_private(self); 3279 3280 /* 3281 * Don't idle the transmit and receive processes, here. It 3282 * seems to fail, and just causes excess noise. 3283 */ 3284 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3285 3286 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3287 sc->sc_opmode |= OPMODE_TTM; 3288 3289 if (sc->sc_mii.mii_media_active & IFM_FDX) 3290 sc->sc_opmode |= OPMODE_FD; 3291 3292 /* 3293 * Write new OPMODE bits. 3294 */ 3295 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3296 } 3297 3298 /* 3299 * tlp_mii_getmedia: 3300 * 3301 * Callback from ifmedia to request current media status. 3302 */ 3303 static void 3304 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3305 { 3306 3307 mii_pollstat(&sc->sc_mii); 3308 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3309 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3310 } 3311 3312 /* 3313 * tlp_mii_setmedia: 3314 * 3315 * Callback from ifmedia to request new media setting. 3316 */ 3317 static int 3318 tlp_mii_setmedia(struct tulip_softc *sc) 3319 { 3320 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3321 int rc; 3322 3323 if ((ifp->if_flags & IFF_UP) == 0) 3324 return 0; 3325 switch (sc->sc_chip) { 3326 case TULIP_CHIP_21142: 3327 case TULIP_CHIP_21143: 3328 /* Disable the internal Nway engine. */ 3329 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3330 break; 3331 3332 default: 3333 /* Nothing. */ 3334 break; 3335 } 3336 if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) 3337 return 0; 3338 return rc; 3339 } 3340 3341 /* 3342 * tlp_bitbang_mii_readreg: 3343 * 3344 * Read a PHY register via bit-bang'ing the MII. 3345 */ 3346 static int 3347 tlp_bitbang_mii_readreg(device_t self, int phy, int reg) 3348 { 3349 struct tulip_softc *sc = device_private(self); 3350 3351 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3352 } 3353 3354 /* 3355 * tlp_bitbang_mii_writereg: 3356 * 3357 * Write a PHY register via bit-bang'ing the MII. 3358 */ 3359 static void 3360 tlp_bitbang_mii_writereg(device_t self, int phy, int reg, int val) 3361 { 3362 struct tulip_softc *sc = device_private(self); 3363 3364 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3365 } 3366 3367 /* 3368 * tlp_sio_mii_bitbang_read: 3369 * 3370 * Read the MII serial port for the MII bit-bang module. 3371 */ 3372 static uint32_t 3373 tlp_sio_mii_bitbang_read(device_t self) 3374 { 3375 struct tulip_softc *sc = device_private(self); 3376 3377 return (TULIP_READ(sc, CSR_MIIROM)); 3378 } 3379 3380 /* 3381 * tlp_sio_mii_bitbang_write: 3382 * 3383 * Write the MII serial port for the MII bit-bang module. 3384 */ 3385 static void 3386 tlp_sio_mii_bitbang_write(device_t self, uint32_t val) 3387 { 3388 struct tulip_softc *sc = device_private(self); 3389 3390 TULIP_WRITE(sc, CSR_MIIROM, val); 3391 } 3392 3393 /* 3394 * tlp_pnic_mii_readreg: 3395 * 3396 * Read a PHY register on the Lite-On PNIC. 3397 */ 3398 static int 3399 tlp_pnic_mii_readreg(device_t self, int phy, int reg) 3400 { 3401 struct tulip_softc *sc = device_private(self); 3402 uint32_t val; 3403 int i; 3404 3405 TULIP_WRITE(sc, CSR_PNIC_MII, 3406 PNIC_MII_MBO | PNIC_MII_RESERVED | 3407 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3408 (reg << PNIC_MII_REGSHIFT)); 3409 3410 for (i = 0; i < 1000; i++) { 3411 delay(10); 3412 val = TULIP_READ(sc, CSR_PNIC_MII); 3413 if ((val & PNIC_MII_BUSY) == 0) { 3414 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3415 return (0); 3416 else 3417 return (val & PNIC_MII_DATA); 3418 } 3419 } 3420 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 3421 return (0); 3422 } 3423 3424 /* 3425 * tlp_pnic_mii_writereg: 3426 * 3427 * Write a PHY register on the Lite-On PNIC. 3428 */ 3429 static void 3430 tlp_pnic_mii_writereg(device_t self, int phy, int reg, int val) 3431 { 3432 struct tulip_softc *sc = device_private(self); 3433 int i; 3434 3435 TULIP_WRITE(sc, CSR_PNIC_MII, 3436 PNIC_MII_MBO | PNIC_MII_RESERVED | 3437 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3438 (reg << PNIC_MII_REGSHIFT) | val); 3439 3440 for (i = 0; i < 1000; i++) { 3441 delay(10); 3442 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3443 return; 3444 } 3445 printf("%s: MII write timed out\n", device_xname(sc->sc_dev)); 3446 } 3447 3448 static const bus_addr_t tlp_al981_phy_regmap[] = { 3449 CSR_ADM_BMCR, 3450 CSR_ADM_BMSR, 3451 CSR_ADM_PHYIDR1, 3452 CSR_ADM_PHYIDR2, 3453 CSR_ADM_ANAR, 3454 CSR_ADM_ANLPAR, 3455 CSR_ADM_ANER, 3456 3457 CSR_ADM_XMC, 3458 CSR_ADM_XCIIS, 3459 CSR_ADM_XIE, 3460 CSR_ADM_100CTR, 3461 }; 3462 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3463 sizeof(tlp_al981_phy_regmap[0]); 3464 3465 /* 3466 * tlp_al981_mii_readreg: 3467 * 3468 * Read a PHY register on the ADMtek AL981. 3469 */ 3470 static int 3471 tlp_al981_mii_readreg(device_t self, int phy, int reg) 3472 { 3473 struct tulip_softc *sc = device_private(self); 3474 3475 /* AL981 only has an internal PHY. */ 3476 if (phy != 0) 3477 return (0); 3478 3479 if (reg >= tlp_al981_phy_regmap_size) 3480 return (0); 3481 3482 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3483 tlp_al981_phy_regmap[reg]) & 0xffff); 3484 } 3485 3486 /* 3487 * tlp_al981_mii_writereg: 3488 * 3489 * Write a PHY register on the ADMtek AL981. 3490 */ 3491 static void 3492 tlp_al981_mii_writereg(device_t self, int phy, int reg, int val) 3493 { 3494 struct tulip_softc *sc = device_private(self); 3495 3496 /* AL981 only has an internal PHY. */ 3497 if (phy != 0) 3498 return; 3499 3500 if (reg >= tlp_al981_phy_regmap_size) 3501 return; 3502 3503 bus_space_write_4(sc->sc_st, sc->sc_sh, 3504 tlp_al981_phy_regmap[reg], val); 3505 } 3506 3507 /***************************************************************************** 3508 * Chip-specific pre-init and reset functions. 3509 *****************************************************************************/ 3510 3511 /* 3512 * tlp_2114x_preinit: 3513 * 3514 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3515 */ 3516 static void 3517 tlp_2114x_preinit(struct tulip_softc *sc) 3518 { 3519 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3520 struct tulip_21x4x_media *tm = ife->ifm_aux; 3521 3522 /* 3523 * Whether or not we're in MII or SIA/SYM mode, the media info 3524 * contains the appropriate OPMODE bits. 3525 * 3526 * Also, we always set the Must-Be-One bit. 3527 */ 3528 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3529 3530 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3531 } 3532 3533 /* 3534 * tlp_2114x_mii_preinit: 3535 * 3536 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3537 * This version is used by boards which only have MII and don't have 3538 * an ISV SROM. 3539 */ 3540 static void 3541 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3542 { 3543 3544 /* 3545 * Always set the Must-Be-One bit, and Port Select (to select MII). 3546 * We'll never be called during a media change. 3547 */ 3548 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3549 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3550 } 3551 3552 /* 3553 * tlp_pnic_preinit: 3554 * 3555 * Pre-init function for the Lite-On 82c168 and 82c169. 3556 */ 3557 static void 3558 tlp_pnic_preinit(struct tulip_softc *sc) 3559 { 3560 3561 if (sc->sc_flags & TULIPF_HAS_MII) { 3562 /* 3563 * MII case: just set the port-select bit; we will never 3564 * be called during a media change. 3565 */ 3566 sc->sc_opmode |= OPMODE_PS; 3567 } else { 3568 /* 3569 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3570 */ 3571 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3572 } 3573 } 3574 3575 /* 3576 * tlp_asix_preinit: 3577 * 3578 * Pre-init function for the ASIX chipsets. 3579 */ 3580 static void 3581 tlp_asix_preinit(struct tulip_softc *sc) 3582 { 3583 3584 switch (sc->sc_chip) { 3585 case TULIP_CHIP_AX88140: 3586 case TULIP_CHIP_AX88141: 3587 /* XXX Handle PHY. */ 3588 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3589 break; 3590 default: 3591 /* Nothing */ 3592 break; 3593 } 3594 3595 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3596 } 3597 3598 /* 3599 * tlp_dm9102_preinit: 3600 * 3601 * Pre-init function for the Davicom DM9102. 3602 */ 3603 static void 3604 tlp_dm9102_preinit(struct tulip_softc *sc) 3605 { 3606 3607 switch (sc->sc_chip) { 3608 case TULIP_CHIP_DM9102: 3609 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3610 break; 3611 3612 case TULIP_CHIP_DM9102A: 3613 /* 3614 * XXX Figure out how to actually deal with the HomePNA 3615 * XXX portion of the DM9102A. 3616 */ 3617 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3618 break; 3619 3620 default: 3621 /* Nothing. */ 3622 break; 3623 } 3624 3625 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3626 } 3627 3628 /* 3629 * tlp_21140_reset: 3630 * 3631 * Issue a reset sequence on the 21140 via the GPIO facility. 3632 */ 3633 static void 3634 tlp_21140_reset(struct tulip_softc *sc) 3635 { 3636 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3637 struct tulip_21x4x_media *tm = ife->ifm_aux; 3638 int i; 3639 3640 /* First, set the direction on the GPIO pins. */ 3641 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3642 3643 /* Now, issue the reset sequence. */ 3644 for (i = 0; i < tm->tm_reset_length; i++) { 3645 delay(10); 3646 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3647 } 3648 3649 /* Now, issue the selection sequence. */ 3650 for (i = 0; i < tm->tm_gp_length; i++) { 3651 delay(10); 3652 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3653 } 3654 3655 /* If there were no sequences, just lower the pins. */ 3656 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3657 delay(10); 3658 TULIP_WRITE(sc, CSR_GPP, 0); 3659 } 3660 } 3661 3662 /* 3663 * tlp_21142_reset: 3664 * 3665 * Issue a reset sequence on the 21142 via the GPIO facility. 3666 */ 3667 static void 3668 tlp_21142_reset(struct tulip_softc *sc) 3669 { 3670 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3671 struct tulip_21x4x_media *tm = ife->ifm_aux; 3672 const uint8_t *cp; 3673 int i; 3674 3675 cp = &sc->sc_srom[tm->tm_reset_offset]; 3676 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3677 delay(10); 3678 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3679 } 3680 3681 cp = &sc->sc_srom[tm->tm_gp_offset]; 3682 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3683 delay(10); 3684 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3685 } 3686 3687 /* If there were no sequences, just lower the pins. */ 3688 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3689 delay(10); 3690 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3691 } 3692 } 3693 3694 /* 3695 * tlp_pmac_reset: 3696 * 3697 * Reset routine for Macronix chips. 3698 */ 3699 static void 3700 tlp_pmac_reset(struct tulip_softc *sc) 3701 { 3702 3703 switch (sc->sc_chip) { 3704 case TULIP_CHIP_82C115: 3705 case TULIP_CHIP_MX98715: 3706 case TULIP_CHIP_MX98715A: 3707 case TULIP_CHIP_MX98725: 3708 /* 3709 * Set the LED operating mode. This information is located 3710 * in the EEPROM at byte offset 0x77, per the MX98715A and 3711 * MX98725 application notes. 3712 */ 3713 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3714 break; 3715 case TULIP_CHIP_MX98715AEC_X: 3716 /* 3717 * Set the LED operating mode. This information is located 3718 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3719 * application note. 3720 */ 3721 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3722 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3723 break; 3724 3725 default: 3726 /* Nothing. */ 3727 break; 3728 } 3729 } 3730 3731 #if 0 3732 /* 3733 * tlp_dm9102_reset: 3734 * 3735 * Reset routine for the Davicom DM9102. 3736 */ 3737 static void 3738 tlp_dm9102_reset(struct tulip_softc *sc) 3739 { 3740 3741 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3742 delay(100); 3743 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3744 } 3745 #endif 3746 3747 /***************************************************************************** 3748 * Chip/board-specific media switches. The ones here are ones that 3749 * are potentially common to multiple front-ends. 3750 *****************************************************************************/ 3751 3752 /* 3753 * This table is a common place for all sorts of media information, 3754 * keyed off of the SROM media code for that media. 3755 * 3756 * Note that we explicitly configure the 21142/21143 to always advertise 3757 * NWay capabilities when using the UTP port. 3758 * XXX Actually, we don't yet. 3759 */ 3760 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3761 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3762 "10baseT", 3763 OPMODE_TTM, 3764 BMSR_10THDX, 3765 { SIACONN_21040_10BASET, 3766 SIATXRX_21040_10BASET, 3767 SIAGEN_21040_10BASET }, 3768 3769 { SIACONN_21041_10BASET, 3770 SIATXRX_21041_10BASET, 3771 SIAGEN_21041_10BASET }, 3772 3773 { SIACONN_21142_10BASET, 3774 SIATXRX_21142_10BASET, 3775 SIAGEN_21142_10BASET } }, 3776 3777 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3778 "10base2", 3779 0, 3780 0, 3781 { 0, 3782 0, 3783 0 }, 3784 3785 { SIACONN_21041_BNC, 3786 SIATXRX_21041_BNC, 3787 SIAGEN_21041_BNC }, 3788 3789 { SIACONN_21142_BNC, 3790 SIATXRX_21142_BNC, 3791 SIAGEN_21142_BNC } }, 3792 3793 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3794 "10base5", 3795 0, 3796 0, 3797 { SIACONN_21040_AUI, 3798 SIATXRX_21040_AUI, 3799 SIAGEN_21040_AUI }, 3800 3801 { SIACONN_21041_AUI, 3802 SIATXRX_21041_AUI, 3803 SIAGEN_21041_AUI }, 3804 3805 { SIACONN_21142_AUI, 3806 SIATXRX_21142_AUI, 3807 SIAGEN_21142_AUI } }, 3808 3809 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3810 "100baseTX", 3811 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3812 BMSR_100TXHDX, 3813 { 0, 3814 0, 3815 0 }, 3816 3817 { 0, 3818 0, 3819 0 }, 3820 3821 { 0, 3822 0, 3823 SIAGEN_ABM } }, 3824 3825 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3826 "10baseT-FDX", 3827 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3828 BMSR_10TFDX, 3829 { SIACONN_21040_10BASET_FDX, 3830 SIATXRX_21040_10BASET_FDX, 3831 SIAGEN_21040_10BASET_FDX }, 3832 3833 { SIACONN_21041_10BASET_FDX, 3834 SIATXRX_21041_10BASET_FDX, 3835 SIAGEN_21041_10BASET_FDX }, 3836 3837 { SIACONN_21142_10BASET_FDX, 3838 SIATXRX_21142_10BASET_FDX, 3839 SIAGEN_21142_10BASET_FDX } }, 3840 3841 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3842 "100baseTX-FDX", 3843 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3844 BMSR_100TXFDX, 3845 { 0, 3846 0, 3847 0 }, 3848 3849 { 0, 3850 0, 3851 0 }, 3852 3853 { 0, 3854 0, 3855 SIAGEN_ABM } }, 3856 3857 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3858 "100baseT4", 3859 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3860 BMSR_100T4, 3861 { 0, 3862 0, 3863 0 }, 3864 3865 { 0, 3866 0, 3867 0 }, 3868 3869 { 0, 3870 0, 3871 SIAGEN_ABM } }, 3872 3873 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3874 "100baseFX", 3875 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3876 0, 3877 { 0, 3878 0, 3879 0 }, 3880 3881 { 0, 3882 0, 3883 0 }, 3884 3885 { 0, 3886 0, 3887 SIAGEN_ABM } }, 3888 3889 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3890 "100baseFX-FDX", 3891 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3892 0, 3893 { 0, 3894 0, 3895 0 }, 3896 3897 { 0, 3898 0, 3899 0 }, 3900 3901 { 0, 3902 0, 3903 SIAGEN_ABM } }, 3904 3905 { 0, 0, 0, 3906 NULL, 3907 0, 3908 0, 3909 { 0, 3910 0, 3911 0 }, 3912 3913 { 0, 3914 0, 3915 0 }, 3916 3917 { 0, 3918 0, 3919 0 } }, 3920 }; 3921 3922 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(uint8_t); 3923 static void tlp_srom_media_info(struct tulip_softc *, 3924 const struct tulip_srom_to_ifmedia *, 3925 struct tulip_21x4x_media *); 3926 static void tlp_add_srom_media(struct tulip_softc *, int, 3927 void (*)(struct tulip_softc *, struct ifmediareq *), 3928 int (*)(struct tulip_softc *), const uint8_t *, int); 3929 static void tlp_print_media(struct tulip_softc *); 3930 static void tlp_nway_activate(struct tulip_softc *, int); 3931 static void tlp_get_minst(struct tulip_softc *); 3932 3933 static const struct tulip_srom_to_ifmedia * 3934 tlp_srom_to_ifmedia(uint8_t sm) 3935 { 3936 const struct tulip_srom_to_ifmedia *tsti; 3937 3938 for (tsti = tulip_srom_to_ifmedia_table; 3939 tsti->tsti_name != NULL; tsti++) { 3940 if (tsti->tsti_srom == sm) 3941 return (tsti); 3942 } 3943 3944 return (NULL); 3945 } 3946 3947 static void 3948 tlp_srom_media_info(struct tulip_softc *sc, 3949 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 3950 { 3951 3952 tm->tm_name = tsti->tsti_name; 3953 tm->tm_opmode = tsti->tsti_opmode; 3954 3955 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3956 3957 switch (sc->sc_chip) { 3958 case TULIP_CHIP_DE425: 3959 case TULIP_CHIP_21040: 3960 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3961 break; 3962 3963 case TULIP_CHIP_21041: 3964 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3965 break; 3966 3967 case TULIP_CHIP_21142: 3968 case TULIP_CHIP_21143: 3969 case TULIP_CHIP_82C115: 3970 case TULIP_CHIP_MX98715: 3971 case TULIP_CHIP_MX98715A: 3972 case TULIP_CHIP_MX98715AEC_X: 3973 case TULIP_CHIP_MX98725: 3974 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3975 break; 3976 3977 default: 3978 /* Nothing. */ 3979 break; 3980 } 3981 } 3982 3983 static void 3984 tlp_add_srom_media(struct tulip_softc *sc, int type, 3985 void (*get)(struct tulip_softc *, struct ifmediareq *), 3986 int (*set)(struct tulip_softc *), const uint8_t *list, 3987 int cnt) 3988 { 3989 struct tulip_21x4x_media *tm; 3990 const struct tulip_srom_to_ifmedia *tsti; 3991 int i; 3992 3993 for (i = 0; i < cnt; i++) { 3994 tsti = tlp_srom_to_ifmedia(list[i]); 3995 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3996 tlp_srom_media_info(sc, tsti, tm); 3997 tm->tm_type = type; 3998 tm->tm_get = get; 3999 tm->tm_set = set; 4000 4001 ifmedia_add(&sc->sc_mii.mii_media, 4002 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4003 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4004 } 4005 } 4006 4007 static void 4008 tlp_print_media(struct tulip_softc *sc) 4009 { 4010 struct ifmedia_entry *ife; 4011 struct tulip_21x4x_media *tm; 4012 const char *sep = ""; 4013 4014 #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " 4015 4016 aprint_normal_dev(sc->sc_dev, ""); 4017 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { 4018 tm = ife->ifm_aux; 4019 if (tm == NULL) { 4020 #ifdef DIAGNOSTIC 4021 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4022 panic("tlp_print_media"); 4023 #endif 4024 PRINT("auto"); 4025 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4026 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4027 PRINT(tm->tm_name); 4028 } 4029 } 4030 aprint_normal("\n"); 4031 4032 #undef PRINT 4033 } 4034 4035 static void 4036 tlp_nway_activate(struct tulip_softc *sc, int media) 4037 { 4038 struct ifmedia_entry *ife; 4039 4040 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4041 #ifdef DIAGNOSTIC 4042 if (ife == NULL) 4043 panic("tlp_nway_activate"); 4044 #endif 4045 sc->sc_nway_active = ife; 4046 } 4047 4048 static void 4049 tlp_get_minst(struct tulip_softc *sc) 4050 { 4051 4052 if ((sc->sc_media_seen & 4053 ~((1 << TULIP_ROM_MB_21140_MII) | 4054 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4055 /* 4056 * We have not yet seen any SIA/SYM media (but are 4057 * about to; that's why we're called!), so assign 4058 * the current media instance to be the `internal media' 4059 * instance, and advance it so any MII media gets a 4060 * fresh one (used to selecting/isolating a PHY). 4061 */ 4062 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4063 } 4064 } 4065 4066 /* 4067 * SIA Utility functions. 4068 */ 4069 static void tlp_sia_update_link(struct tulip_softc *); 4070 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4071 static int tlp_sia_set(struct tulip_softc *); 4072 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4073 static void tlp_sia_fixup(struct tulip_softc *); 4074 4075 static void 4076 tlp_sia_update_link(struct tulip_softc *sc) 4077 { 4078 struct ifmedia_entry *ife; 4079 struct tulip_21x4x_media *tm; 4080 uint32_t siastat; 4081 4082 ife = TULIP_CURRENT_MEDIA(sc); 4083 tm = ife->ifm_aux; 4084 4085 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4086 4087 siastat = TULIP_READ(sc, CSR_SIASTAT); 4088 4089 /* 4090 * Note that when we do SIA link tests, we are assuming that 4091 * the chip is really in the mode that the current media setting 4092 * reflects. If we're not, then the link tests will not be 4093 * accurate! 4094 */ 4095 switch (IFM_SUBTYPE(ife->ifm_media)) { 4096 case IFM_10_T: 4097 sc->sc_flags |= TULIPF_LINK_VALID; 4098 if ((siastat & SIASTAT_LS10) == 0) 4099 sc->sc_flags |= TULIPF_LINK_UP; 4100 break; 4101 4102 case IFM_100_TX: 4103 case IFM_100_T4: 4104 sc->sc_flags |= TULIPF_LINK_VALID; 4105 if ((siastat & SIASTAT_LS100) == 0) 4106 sc->sc_flags |= TULIPF_LINK_UP; 4107 break; 4108 } 4109 4110 switch (sc->sc_chip) { 4111 case TULIP_CHIP_21142: 4112 case TULIP_CHIP_21143: 4113 /* 4114 * On these chips, we can tell more information about 4115 * AUI/BNC. Note that the AUI/BNC selection is made 4116 * in a different register; for our purpose, it's all 4117 * AUI. 4118 */ 4119 switch (IFM_SUBTYPE(ife->ifm_media)) { 4120 case IFM_10_2: 4121 case IFM_10_5: 4122 sc->sc_flags |= TULIPF_LINK_VALID; 4123 if (siastat & SIASTAT_ARA) { 4124 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4125 sc->sc_flags |= TULIPF_LINK_UP; 4126 } 4127 break; 4128 4129 default: 4130 /* 4131 * If we're SYM media and can detect the link 4132 * via the GPIO facility, prefer that status 4133 * over LS100. 4134 */ 4135 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4136 tm->tm_actmask != 0) { 4137 sc->sc_flags = (sc->sc_flags & 4138 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4139 if (TULIP_ISSET(sc, CSR_SIAGEN, 4140 tm->tm_actmask) == tm->tm_actdata) 4141 sc->sc_flags |= TULIPF_LINK_UP; 4142 } 4143 } 4144 break; 4145 4146 default: 4147 /* Nothing. */ 4148 break; 4149 } 4150 } 4151 4152 static void 4153 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4154 { 4155 struct ifmedia_entry *ife; 4156 4157 ifmr->ifm_status = 0; 4158 4159 tlp_sia_update_link(sc); 4160 4161 ife = TULIP_CURRENT_MEDIA(sc); 4162 4163 if (sc->sc_flags & TULIPF_LINK_VALID) 4164 ifmr->ifm_status |= IFM_AVALID; 4165 if (sc->sc_flags & TULIPF_LINK_UP) 4166 ifmr->ifm_status |= IFM_ACTIVE; 4167 ifmr->ifm_active = ife->ifm_media; 4168 } 4169 4170 static void 4171 tlp_sia_fixup(struct tulip_softc *sc) 4172 { 4173 struct ifmedia_entry *ife; 4174 struct tulip_21x4x_media *tm; 4175 uint32_t siaconn, siatxrx, siagen; 4176 4177 switch (sc->sc_chip) { 4178 case TULIP_CHIP_82C115: 4179 case TULIP_CHIP_MX98713A: 4180 case TULIP_CHIP_MX98715: 4181 case TULIP_CHIP_MX98715A: 4182 case TULIP_CHIP_MX98715AEC_X: 4183 case TULIP_CHIP_MX98725: 4184 siaconn = PMAC_SIACONN_MASK; 4185 siatxrx = PMAC_SIATXRX_MASK; 4186 siagen = PMAC_SIAGEN_MASK; 4187 break; 4188 4189 default: 4190 /* No fixups required on any other chips. */ 4191 return; 4192 } 4193 4194 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { 4195 tm = ife->ifm_aux; 4196 if (tm == NULL) 4197 continue; 4198 4199 tm->tm_siaconn &= siaconn; 4200 tm->tm_siatxrx &= siatxrx; 4201 tm->tm_siagen &= siagen; 4202 } 4203 } 4204 4205 static int 4206 tlp_sia_set(struct tulip_softc *sc) 4207 { 4208 4209 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4210 } 4211 4212 static int 4213 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4214 { 4215 struct tulip_21x4x_media *tm; 4216 4217 tm = ife->ifm_aux; 4218 4219 /* 4220 * XXX This appears to be necessary on a bunch of the clone chips. 4221 */ 4222 delay(20000); 4223 4224 /* 4225 * Idle the chip. 4226 */ 4227 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4228 4229 /* 4230 * Program the SIA. It's important to write in this order, 4231 * resetting the SIA first. 4232 */ 4233 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4234 delay(1000); 4235 4236 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4237 4238 switch (sc->sc_chip) { 4239 case TULIP_CHIP_21142: 4240 case TULIP_CHIP_21143: 4241 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4242 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4243 break; 4244 default: 4245 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4246 } 4247 4248 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4249 4250 /* 4251 * Set the OPMODE bits for this media and write OPMODE. 4252 * This will resume the transmit and receive processes. 4253 */ 4254 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4255 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4256 4257 return (0); 4258 } 4259 4260 /* 4261 * 21140 GPIO utility functions. 4262 */ 4263 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4264 4265 static void 4266 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4267 { 4268 struct ifmedia_entry *ife; 4269 struct tulip_21x4x_media *tm; 4270 4271 ife = TULIP_CURRENT_MEDIA(sc); 4272 tm = ife->ifm_aux; 4273 4274 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4275 4276 if (tm->tm_actmask != 0) { 4277 sc->sc_flags |= TULIPF_LINK_VALID; 4278 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4279 tm->tm_actdata) 4280 sc->sc_flags |= TULIPF_LINK_UP; 4281 } 4282 } 4283 4284 void 4285 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4286 { 4287 struct ifmedia_entry *ife; 4288 4289 ifmr->ifm_status = 0; 4290 4291 tlp_21140_gpio_update_link(sc); 4292 4293 ife = TULIP_CURRENT_MEDIA(sc); 4294 4295 if (sc->sc_flags & TULIPF_LINK_VALID) 4296 ifmr->ifm_status |= IFM_AVALID; 4297 if (sc->sc_flags & TULIPF_LINK_UP) 4298 ifmr->ifm_status |= IFM_ACTIVE; 4299 ifmr->ifm_active = ife->ifm_media; 4300 } 4301 4302 int 4303 tlp_21140_gpio_set(struct tulip_softc *sc) 4304 { 4305 struct ifmedia_entry *ife; 4306 struct tulip_21x4x_media *tm; 4307 4308 ife = TULIP_CURRENT_MEDIA(sc); 4309 tm = ife->ifm_aux; 4310 4311 /* 4312 * Idle the chip. 4313 */ 4314 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4315 4316 /* 4317 * Set the GPIO pins for this media, to flip any 4318 * relays, etc. 4319 */ 4320 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4321 delay(10); 4322 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4323 4324 /* 4325 * Set the OPMODE bits for this media and write OPMODE. 4326 * This will resume the transmit and receive processes. 4327 */ 4328 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4329 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4330 4331 return (0); 4332 } 4333 4334 /* 4335 * 21040 and 21041 media switches. 4336 */ 4337 static void tlp_21040_tmsw_init(struct tulip_softc *); 4338 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4339 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4340 static void tlp_21041_tmsw_init(struct tulip_softc *); 4341 4342 const struct tulip_mediasw tlp_21040_mediasw = { 4343 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4344 }; 4345 4346 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4347 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4348 }; 4349 4350 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4351 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4352 }; 4353 4354 const struct tulip_mediasw tlp_21041_mediasw = { 4355 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4356 }; 4357 4358 static void 4359 tlp_21040_tmsw_init(struct tulip_softc *sc) 4360 { 4361 static const uint8_t media[] = { 4362 TULIP_ROM_MB_MEDIA_TP, 4363 TULIP_ROM_MB_MEDIA_TP_FDX, 4364 TULIP_ROM_MB_MEDIA_AUI, 4365 }; 4366 struct tulip_21x4x_media *tm; 4367 4368 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4369 tlp_mediastatus); 4370 4371 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4372 4373 /* 4374 * No SROM type for External SIA. 4375 */ 4376 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4377 tm->tm_name = "manual"; 4378 tm->tm_opmode = 0; 4379 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4380 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4381 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4382 ifmedia_add(&sc->sc_mii.mii_media, 4383 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4384 4385 /* 4386 * XXX Autosense not yet supported. 4387 */ 4388 4389 /* XXX This should be auto-sense. */ 4390 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4391 4392 tlp_print_media(sc); 4393 } 4394 4395 static void 4396 tlp_21040_tp_tmsw_init(struct tulip_softc *sc) 4397 { 4398 static const uint8_t media[] = { 4399 TULIP_ROM_MB_MEDIA_TP, 4400 TULIP_ROM_MB_MEDIA_TP_FDX, 4401 }; 4402 4403 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4404 tlp_mediastatus); 4405 4406 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4407 4408 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4409 4410 tlp_print_media(sc); 4411 } 4412 4413 static void 4414 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4415 { 4416 static const uint8_t media[] = { 4417 TULIP_ROM_MB_MEDIA_AUI, 4418 }; 4419 4420 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4421 tlp_mediastatus); 4422 4423 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4424 4425 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4426 4427 tlp_print_media(sc); 4428 } 4429 4430 static void 4431 tlp_21041_tmsw_init(struct tulip_softc *sc) 4432 { 4433 static const uint8_t media[] = { 4434 TULIP_ROM_MB_MEDIA_TP, 4435 TULIP_ROM_MB_MEDIA_TP_FDX, 4436 TULIP_ROM_MB_MEDIA_BNC, 4437 TULIP_ROM_MB_MEDIA_AUI, 4438 }; 4439 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4440 const struct tulip_srom_to_ifmedia *tsti; 4441 struct tulip_21x4x_media *tm; 4442 uint16_t romdef; 4443 uint8_t mb; 4444 4445 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4446 tlp_mediastatus); 4447 4448 if (tlp_isv_srom(sc->sc_srom) == 0) { 4449 not_isv_srom: 4450 /* 4451 * If we have a board without the standard 21041 SROM format, 4452 * we just assume all media are present and try and pick a 4453 * reasonable default. 4454 */ 4455 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4456 4457 /* 4458 * XXX Autosense not yet supported. 4459 */ 4460 4461 /* XXX This should be auto-sense. */ 4462 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4463 4464 tlp_print_media(sc); 4465 return; 4466 } 4467 4468 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4469 for (i = 0; i < devcnt; i++) { 4470 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4471 break; 4472 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4473 sc->sc_devno) 4474 break; 4475 } 4476 4477 if (i == devcnt) 4478 goto not_isv_srom; 4479 4480 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4481 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4482 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4483 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4484 4485 for (; m_cnt != 0; 4486 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4487 mb = sc->sc_srom[mb_offset]; 4488 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4489 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4490 case TULIP_ROM_MB_MEDIA_TP_FDX: 4491 case TULIP_ROM_MB_MEDIA_TP: 4492 case TULIP_ROM_MB_MEDIA_BNC: 4493 case TULIP_ROM_MB_MEDIA_AUI: 4494 tsti = tlp_srom_to_ifmedia(mb & 4495 TULIP_ROM_MB_MEDIA_CODE); 4496 4497 tlp_srom_media_info(sc, tsti, tm); 4498 4499 /* 4500 * Override our default SIA settings if the 4501 * SROM contains its own. 4502 */ 4503 if (mb & TULIP_ROM_MB_EXT) { 4504 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4505 mb_offset + TULIP_ROM_MB_CSR13); 4506 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4507 mb_offset + TULIP_ROM_MB_CSR14); 4508 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4509 mb_offset + TULIP_ROM_MB_CSR15); 4510 } 4511 4512 ifmedia_add(&sc->sc_mii.mii_media, 4513 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4514 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4515 break; 4516 4517 default: 4518 aprint_error_dev(sc->sc_dev, 4519 "unknown media code 0x%02x\n", 4520 mb & TULIP_ROM_MB_MEDIA_CODE); 4521 free(tm, M_DEVBUF); 4522 } 4523 } 4524 4525 /* 4526 * XXX Autosense not yet supported. 4527 */ 4528 4529 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4530 TULIP_ROM_IL_SELECT_CONN_TYPE); 4531 switch (romdef) { 4532 case SELECT_CONN_TYPE_TP: 4533 case SELECT_CONN_TYPE_TP_AUTONEG: 4534 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4535 defmedia = IFM_ETHER|IFM_10_T; 4536 break; 4537 4538 case SELECT_CONN_TYPE_TP_FDX: 4539 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4540 break; 4541 4542 case SELECT_CONN_TYPE_BNC: 4543 defmedia = IFM_ETHER|IFM_10_2; 4544 break; 4545 4546 case SELECT_CONN_TYPE_AUI: 4547 defmedia = IFM_ETHER|IFM_10_5; 4548 break; 4549 #if 0 /* XXX */ 4550 case SELECT_CONN_TYPE_ASENSE: 4551 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4552 defmedia = IFM_ETHER|IFM_AUTO; 4553 break; 4554 #endif 4555 default: 4556 defmedia = 0; 4557 } 4558 4559 if (defmedia == 0) { 4560 /* 4561 * XXX We should default to auto-sense. 4562 */ 4563 defmedia = IFM_ETHER|IFM_10_T; 4564 } 4565 4566 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4567 4568 tlp_print_media(sc); 4569 } 4570 4571 /* 4572 * DECchip 2114x ISV media switch. 4573 */ 4574 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4575 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4576 struct ifmediareq *); 4577 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4578 4579 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4580 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4581 }; 4582 4583 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4584 static int tlp_2114x_nway_set(struct tulip_softc *); 4585 4586 static void tlp_2114x_nway_statchg(device_t); 4587 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4588 static void tlp_2114x_nway_auto(struct tulip_softc *); 4589 static void tlp_2114x_nway_status(struct tulip_softc *); 4590 4591 static void 4592 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4593 { 4594 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4595 struct ifmedia_entry *ife; 4596 struct mii_softc *phy; 4597 struct tulip_21x4x_media *tm; 4598 const struct tulip_srom_to_ifmedia *tsti; 4599 int i, devcnt, leaf_offset, m_cnt, type, length; 4600 int defmedia, miidef; 4601 uint16_t word; 4602 uint8_t *cp, *ncp; 4603 4604 defmedia = miidef = 0; 4605 4606 sc->sc_mii.mii_ifp = ifp; 4607 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4608 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4609 sc->sc_mii.mii_statchg = sc->sc_statchg; 4610 4611 /* 4612 * Ignore `instance'; we may get a mixture of SIA and MII 4613 * media, and `instance' is used to isolate or select the 4614 * PHY on the MII as appropriate. Note that duplicate media 4615 * are disallowed, so ignoring `instance' is safe. 4616 */ 4617 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4618 tlp_mediastatus); 4619 4620 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4621 for (i = 0; i < devcnt; i++) { 4622 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4623 break; 4624 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4625 sc->sc_devno) 4626 break; 4627 } 4628 4629 if (i == devcnt) { 4630 aprint_error_dev(sc->sc_dev, "unable to locate info leaf in SROM\n"); 4631 return; 4632 } 4633 4634 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4635 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4636 4637 /* XXX SELECT CONN TYPE */ 4638 4639 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4640 4641 /* 4642 * On some chips, the first thing in the Info Leaf is the 4643 * GPIO pin direction data. 4644 */ 4645 switch (sc->sc_chip) { 4646 case TULIP_CHIP_21140: 4647 case TULIP_CHIP_21140A: 4648 case TULIP_CHIP_MX98713: 4649 case TULIP_CHIP_AX88140: 4650 case TULIP_CHIP_AX88141: 4651 sc->sc_gp_dir = *cp++; 4652 break; 4653 4654 default: 4655 /* Nothing. */ 4656 break; 4657 } 4658 4659 /* Get the media count. */ 4660 m_cnt = *cp++; 4661 4662 if (m_cnt == 0) { 4663 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4664 (*sc->sc_mediasw->tmsw_init)(sc); 4665 return; 4666 } 4667 4668 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4669 /* 4670 * Determine the type and length of this media block. 4671 * The 21143 is spec'd to always use extended format blocks, 4672 * but some cards don't set the bit to indicate this. 4673 * Hopefully there are no cards which really don't use 4674 * extended format blocks. 4675 */ 4676 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4677 length = 4; 4678 type = TULIP_ROM_MB_21140_GPR; 4679 } else { 4680 length = (*cp++ & 0x7f) - 1; 4681 type = *cp++ & 0x3f; 4682 } 4683 4684 /* Compute the start of the next block. */ 4685 ncp = cp + length; 4686 4687 /* Now, parse the block. */ 4688 switch (type) { 4689 case TULIP_ROM_MB_21140_GPR: 4690 tlp_get_minst(sc); 4691 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4692 4693 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4694 4695 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4696 tm->tm_get = tlp_21140_gpio_get; 4697 tm->tm_set = tlp_21140_gpio_set; 4698 4699 /* First is the media type code. */ 4700 tsti = tlp_srom_to_ifmedia(cp[0] & 4701 TULIP_ROM_MB_MEDIA_CODE); 4702 if (tsti == NULL) { 4703 /* Invalid media code. */ 4704 free(tm, M_DEVBUF); 4705 break; 4706 } 4707 4708 /* Get defaults. */ 4709 tlp_srom_media_info(sc, tsti, tm); 4710 4711 /* Next is any GPIO info for this media. */ 4712 tm->tm_gpdata = cp[1]; 4713 4714 /* 4715 * Next is a word containing OPMODE information 4716 * and info on how to detect if this media is 4717 * active. 4718 */ 4719 word = TULIP_ROM_GETW(cp, 2); 4720 tm->tm_opmode &= OPMODE_FD; 4721 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4722 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4723 tm->tm_actmask = 4724 TULIP_ROM_MB_BITPOS(word); 4725 tm->tm_actdata = 4726 (word & TULIP_ROM_MB_POLARITY) ? 4727 0 : tm->tm_actmask; 4728 } 4729 4730 ifmedia_add(&sc->sc_mii.mii_media, 4731 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4732 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4733 break; 4734 4735 case TULIP_ROM_MB_21140_MII: 4736 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4737 4738 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4739 4740 tm->tm_type = TULIP_ROM_MB_21140_MII; 4741 tm->tm_get = tlp_mii_getmedia; 4742 tm->tm_set = tlp_mii_setmedia; 4743 tm->tm_opmode = OPMODE_PS; 4744 4745 if (sc->sc_reset == NULL) 4746 sc->sc_reset = tlp_21140_reset; 4747 4748 /* First is the PHY number. */ 4749 tm->tm_phyno = *cp++; 4750 4751 /* Next is the MII select sequence length and offset. */ 4752 tm->tm_gp_length = *cp++; 4753 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4754 cp += tm->tm_gp_length; 4755 4756 /* Next is the MII reset sequence length and offset. */ 4757 tm->tm_reset_length = *cp++; 4758 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4759 cp += tm->tm_reset_length; 4760 4761 /* 4762 * The following items are left in the media block 4763 * that we don't particularly care about: 4764 * 4765 * capabilities W 4766 * advertisement W 4767 * full duplex W 4768 * tx threshold W 4769 * 4770 * These appear to be bits in the PHY registers, 4771 * which our MII code handles on its own. 4772 */ 4773 4774 /* 4775 * Before we probe the MII bus, we need to reset 4776 * it and issue the selection sequence. 4777 */ 4778 4779 /* Set the direction of the pins... */ 4780 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4781 4782 for (i = 0; i < tm->tm_reset_length; i++) { 4783 delay(10); 4784 TULIP_WRITE(sc, CSR_GPP, 4785 sc->sc_srom[tm->tm_reset_offset + i]); 4786 } 4787 4788 for (i = 0; i < tm->tm_gp_length; i++) { 4789 delay(10); 4790 TULIP_WRITE(sc, CSR_GPP, 4791 sc->sc_srom[tm->tm_gp_offset + i]); 4792 } 4793 4794 /* If there were no sequences, just lower the pins. */ 4795 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4796 delay(10); 4797 TULIP_WRITE(sc, CSR_GPP, 0); 4798 } 4799 4800 /* 4801 * Now, probe the MII for the PHY. Note, we know 4802 * the location of the PHY on the bus, but we don't 4803 * particularly care; the MII code just likes to 4804 * search the whole thing anyhow. 4805 */ 4806 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 4807 MII_PHY_ANY, tm->tm_phyno, 0); 4808 4809 /* 4810 * Now, search for the PHY we hopefully just 4811 * configured. If it's not configured into the 4812 * kernel, we lose. The PHY's default media always 4813 * takes priority. 4814 */ 4815 LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { 4816 if (phy->mii_offset == tm->tm_phyno) 4817 break; 4818 } 4819 if (phy == NULL) { 4820 aprint_error_dev(sc->sc_dev, "unable to configure MII\n"); 4821 break; 4822 } 4823 4824 sc->sc_flags |= TULIPF_HAS_MII; 4825 sc->sc_tick = tlp_mii_tick; 4826 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4827 phy->mii_inst); 4828 4829 /* 4830 * Okay, now that we've found the PHY and the MII 4831 * layer has added all of the media associated 4832 * with that PHY, we need to traverse the media 4833 * list, and add our `tm' to each entry's `aux' 4834 * pointer. 4835 * 4836 * We do this by looking for media with our 4837 * PHY's `instance'. 4838 */ 4839 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, 4840 ifm_list) { 4841 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4842 continue; 4843 ife->ifm_aux = tm; 4844 } 4845 break; 4846 4847 case TULIP_ROM_MB_21142_SIA: 4848 tlp_get_minst(sc); 4849 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4850 4851 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4852 4853 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4854 tm->tm_get = tlp_sia_get; 4855 tm->tm_set = tlp_sia_set; 4856 4857 /* First is the media type code. */ 4858 tsti = tlp_srom_to_ifmedia(cp[0] & 4859 TULIP_ROM_MB_MEDIA_CODE); 4860 if (tsti == NULL) { 4861 /* Invalid media code. */ 4862 free(tm, M_DEVBUF); 4863 break; 4864 } 4865 4866 /* Get defaults. */ 4867 tlp_srom_media_info(sc, tsti, tm); 4868 4869 /* 4870 * Override our default SIA settings if the 4871 * SROM contains its own. 4872 */ 4873 if (cp[0] & 0x40) { 4874 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4875 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4876 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4877 cp += 7; 4878 } else 4879 cp++; 4880 4881 /* Next is GPIO control/data. */ 4882 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4883 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4884 4885 ifmedia_add(&sc->sc_mii.mii_media, 4886 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4887 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4888 break; 4889 4890 case TULIP_ROM_MB_21142_MII: 4891 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4892 4893 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4894 4895 tm->tm_type = TULIP_ROM_MB_21142_MII; 4896 tm->tm_get = tlp_mii_getmedia; 4897 tm->tm_set = tlp_mii_setmedia; 4898 tm->tm_opmode = OPMODE_PS; 4899 4900 if (sc->sc_reset == NULL) 4901 sc->sc_reset = tlp_21142_reset; 4902 4903 /* First is the PHY number. */ 4904 tm->tm_phyno = *cp++; 4905 4906 /* Next is the MII select sequence length and offset. */ 4907 tm->tm_gp_length = *cp++; 4908 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4909 cp += tm->tm_gp_length * 2; 4910 4911 /* Next is the MII reset sequence length and offset. */ 4912 tm->tm_reset_length = *cp++; 4913 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4914 cp += tm->tm_reset_length * 2; 4915 4916 /* 4917 * The following items are left in the media block 4918 * that we don't particularly care about: 4919 * 4920 * capabilities W 4921 * advertisement W 4922 * full duplex W 4923 * tx threshold W 4924 * MII interrupt W 4925 * 4926 * These appear to be bits in the PHY registers, 4927 * which our MII code handles on its own. 4928 */ 4929 4930 /* 4931 * Before we probe the MII bus, we need to reset 4932 * it and issue the selection sequence. 4933 */ 4934 4935 cp = &sc->sc_srom[tm->tm_reset_offset]; 4936 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4937 delay(10); 4938 TULIP_WRITE(sc, CSR_SIAGEN, 4939 TULIP_ROM_GETW(cp, 0) << 16); 4940 } 4941 4942 cp = &sc->sc_srom[tm->tm_gp_offset]; 4943 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4944 delay(10); 4945 TULIP_WRITE(sc, CSR_SIAGEN, 4946 TULIP_ROM_GETW(cp, 0) << 16); 4947 } 4948 4949 /* If there were no sequences, just lower the pins. */ 4950 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4951 delay(10); 4952 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4953 } 4954 4955 /* 4956 * Now, probe the MII for the PHY. Note, we know 4957 * the location of the PHY on the bus, but we don't 4958 * particularly care; the MII code just likes to 4959 * search the whole thing anyhow. 4960 */ 4961 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 4962 MII_PHY_ANY, tm->tm_phyno, 0); 4963 4964 /* 4965 * Now, search for the PHY we hopefully just 4966 * configured. If it's not configured into the 4967 * kernel, we lose. The PHY's default media always 4968 * takes priority. 4969 */ 4970 LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { 4971 if (phy->mii_offset == tm->tm_phyno) 4972 break; 4973 } 4974 if (phy == NULL) { 4975 aprint_error_dev(sc->sc_dev, "unable to configure MII\n"); 4976 break; 4977 } 4978 4979 sc->sc_flags |= TULIPF_HAS_MII; 4980 sc->sc_tick = tlp_mii_tick; 4981 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4982 phy->mii_inst); 4983 4984 /* 4985 * Okay, now that we've found the PHY and the MII 4986 * layer has added all of the media associated 4987 * with that PHY, we need to traverse the media 4988 * list, and add our `tm' to each entry's `aux' 4989 * pointer. 4990 * 4991 * We do this by looking for media with our 4992 * PHY's `instance'. 4993 */ 4994 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, 4995 ifm_list) { 4996 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4997 continue; 4998 ife->ifm_aux = tm; 4999 } 5000 break; 5001 5002 case TULIP_ROM_MB_21143_SYM: 5003 tlp_get_minst(sc); 5004 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5005 5006 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5007 5008 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5009 tm->tm_get = tlp_sia_get; 5010 tm->tm_set = tlp_sia_set; 5011 5012 /* First is the media type code. */ 5013 tsti = tlp_srom_to_ifmedia(cp[0] & 5014 TULIP_ROM_MB_MEDIA_CODE); 5015 if (tsti == NULL) { 5016 /* Invalid media code. */ 5017 free(tm, M_DEVBUF); 5018 break; 5019 } 5020 5021 /* Get defaults. */ 5022 tlp_srom_media_info(sc, tsti, tm); 5023 5024 /* Next is GPIO control/data. */ 5025 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5026 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5027 5028 /* 5029 * Next is a word containing OPMODE information 5030 * and info on how to detect if this media is 5031 * active. 5032 */ 5033 word = TULIP_ROM_GETW(cp, 5); 5034 tm->tm_opmode &= OPMODE_FD; 5035 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5036 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5037 tm->tm_actmask = 5038 TULIP_ROM_MB_BITPOS(word); 5039 tm->tm_actdata = 5040 (word & TULIP_ROM_MB_POLARITY) ? 5041 0 : tm->tm_actmask; 5042 } 5043 5044 ifmedia_add(&sc->sc_mii.mii_media, 5045 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5046 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5047 break; 5048 5049 case TULIP_ROM_MB_21143_RESET: 5050 aprint_normal_dev(sc->sc_dev, "21143 reset block\n"); 5051 break; 5052 5053 default: 5054 aprint_error_dev(sc->sc_dev, 5055 "unknown ISV media block type 0x%02x\n", type); 5056 } 5057 } 5058 5059 /* 5060 * Deal with the case where no media is configured. 5061 */ 5062 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5063 aprint_error_dev(sc->sc_dev, "no media found!\n"); 5064 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5065 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5066 return; 5067 } 5068 5069 /* 5070 * Pick the default media. 5071 */ 5072 if (miidef != 0) 5073 defmedia = miidef; 5074 else { 5075 switch (sc->sc_chip) { 5076 case TULIP_CHIP_21140: 5077 case TULIP_CHIP_21140A: 5078 /* XXX should come from SROM */ 5079 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5080 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5081 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5082 /* 5083 * There is not a 10baseT media. 5084 * Fall back to the first found one. 5085 */ 5086 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5087 defmedia = ife->ifm_media; 5088 } 5089 break; 5090 5091 case TULIP_CHIP_21142: 5092 case TULIP_CHIP_21143: 5093 case TULIP_CHIP_MX98713A: 5094 case TULIP_CHIP_MX98715: 5095 case TULIP_CHIP_MX98715A: 5096 case TULIP_CHIP_MX98715AEC_X: 5097 case TULIP_CHIP_MX98725: 5098 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5099 tm->tm_name = "auto"; 5100 tm->tm_get = tlp_2114x_nway_get; 5101 tm->tm_set = tlp_2114x_nway_set; 5102 5103 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5104 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5105 5106 sc->sc_statchg = tlp_2114x_nway_statchg; 5107 sc->sc_tick = tlp_2114x_nway_tick; 5108 break; 5109 5110 default: 5111 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5112 break; 5113 } 5114 } 5115 5116 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5117 5118 /* 5119 * Display any non-MII media we've located. 5120 */ 5121 if (sc->sc_media_seen & 5122 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5123 tlp_print_media(sc); 5124 5125 tlp_sia_fixup(sc); 5126 } 5127 5128 static void 5129 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5130 { 5131 5132 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5133 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5134 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5135 } 5136 5137 static int 5138 tlp_2114x_nway_set(struct tulip_softc *sc) 5139 { 5140 5141 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5142 } 5143 5144 static void 5145 tlp_2114x_nway_statchg(device_t self) 5146 { 5147 struct tulip_softc *sc = device_private(self); 5148 struct mii_data *mii = &sc->sc_mii; 5149 struct ifmedia_entry *ife; 5150 5151 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5152 return; 5153 5154 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5155 mii->mii_media.ifm_mask)) == NULL) { 5156 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5157 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5158 panic("tlp_2114x_nway_statchg"); 5159 } 5160 5161 tlp_sia_media(sc, ife); 5162 } 5163 5164 static void 5165 tlp_2114x_nway_tick(void *arg) 5166 { 5167 struct tulip_softc *sc = arg; 5168 struct mii_data *mii = &sc->sc_mii; 5169 int s, ticks; 5170 5171 if (!device_is_active(sc->sc_dev)) 5172 return; 5173 5174 s = splnet(); 5175 tlp_2114x_nway_service(sc, MII_TICK); 5176 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5177 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5178 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5179 sc->sc_flags |= TULIPF_LINK_UP; 5180 tlp_start(&sc->sc_ethercom.ec_if); 5181 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5182 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5183 sc->sc_flags &= ~TULIPF_LINK_UP; 5184 } 5185 splx(s); 5186 5187 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5188 ticks = hz >> 3; 5189 else 5190 ticks = hz; 5191 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5192 } 5193 5194 /* 5195 * Support for the 2114X internal NWay block. This is constructed 5196 * somewhat like a PHY driver for simplicity. 5197 */ 5198 5199 static int 5200 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5201 { 5202 struct mii_data *mii = &sc->sc_mii; 5203 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5204 5205 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5206 return (0); 5207 5208 switch (cmd) { 5209 case MII_POLLSTAT: 5210 /* Nothing special to do here. */ 5211 break; 5212 5213 case MII_MEDIACHG: 5214 switch (IFM_SUBTYPE(ife->ifm_media)) { 5215 case IFM_AUTO: 5216 goto restart; 5217 default: 5218 /* Manual setting doesn't go through here. */ 5219 printf("tlp_2114x_nway_service: oops!\n"); 5220 return (EINVAL); 5221 } 5222 break; 5223 5224 case MII_TICK: 5225 /* 5226 * Only used for autonegotiation. 5227 */ 5228 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5229 break; 5230 5231 /* 5232 * Check to see if we have link. If we do, we don't 5233 * need to restart the autonegotiation process. 5234 */ 5235 #if 0 5236 if (mii->mii_media_status & IFM_ACTIVE) 5237 #else 5238 if (sc->sc_flags & TULIPF_LINK_UP) 5239 #endif 5240 break; 5241 5242 /* 5243 * Only retry autonegotiation every 5 seconds. 5244 */ 5245 if (++sc->sc_nway_ticks != (5 << 3)) 5246 break; 5247 5248 restart: 5249 sc->sc_nway_ticks = 0; 5250 ife->ifm_data = IFM_NONE; 5251 tlp_2114x_nway_auto(sc); 5252 break; 5253 } 5254 5255 /* Update the media status. */ 5256 tlp_2114x_nway_status(sc); 5257 5258 /* 5259 * Callback if something changed. Manually configuration goes through 5260 * tlp_sia_set() anyway, so ignore that here. 5261 */ 5262 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5263 ife->ifm_data != mii->mii_media_active) { 5264 (*sc->sc_statchg)(sc->sc_dev); 5265 ife->ifm_data = mii->mii_media_active; 5266 } 5267 return (0); 5268 } 5269 5270 static void 5271 tlp_2114x_nway_auto(struct tulip_softc *sc) 5272 { 5273 uint32_t siastat, siatxrx; 5274 5275 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5276 5277 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5278 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5279 siatxrx = 0xffbf; /* XXX magic number */ 5280 5281 /* Compute the link code word to advertise. */ 5282 if (sc->sc_sia_cap & BMSR_100T4) 5283 siatxrx |= SIATXRX_T4; 5284 if (sc->sc_sia_cap & BMSR_100TXFDX) 5285 siatxrx |= SIATXRX_TXF; 5286 if (sc->sc_sia_cap & BMSR_100TXHDX) 5287 siatxrx |= SIATXRX_THX; 5288 if (sc->sc_sia_cap & BMSR_10TFDX) 5289 sc->sc_opmode |= OPMODE_FD; 5290 if (sc->sc_sia_cap & BMSR_10THDX) 5291 siatxrx |= SIATXRX_TH; 5292 5293 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5294 5295 TULIP_WRITE(sc, CSR_SIACONN, 0); 5296 delay(1000); 5297 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5298 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5299 5300 siastat = TULIP_READ(sc, CSR_SIASTAT); 5301 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5302 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5303 siastat |= SIASTAT_ANS_TXDIS; 5304 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5305 } 5306 5307 static void 5308 tlp_2114x_nway_status(struct tulip_softc *sc) 5309 { 5310 struct mii_data *mii = &sc->sc_mii; 5311 uint32_t siatxrx, siastat, anlpar; 5312 5313 mii->mii_media_status = IFM_AVALID; 5314 mii->mii_media_active = IFM_ETHER; 5315 5316 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5317 return; 5318 5319 siastat = TULIP_READ(sc, CSR_SIASTAT); 5320 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5321 5322 if (siatxrx & SIATXRX_ANE) { 5323 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5324 /* Erg, still trying, I guess... */ 5325 mii->mii_media_active |= IFM_NONE; 5326 return; 5327 } 5328 5329 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5330 mii->mii_media_status |= IFM_ACTIVE; 5331 5332 if (siastat & SIASTAT_LPN) { 5333 anlpar = SIASTAT_GETLPC(siastat); 5334 if (anlpar & ANLPAR_T4 && 5335 sc->sc_sia_cap & BMSR_100T4) 5336 mii->mii_media_active |= IFM_100_T4; 5337 else if (anlpar & ANLPAR_TX_FD && 5338 sc->sc_sia_cap & BMSR_100TXFDX) 5339 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5340 else if (anlpar & ANLPAR_TX && 5341 sc->sc_sia_cap & BMSR_100TXHDX) 5342 mii->mii_media_active |= IFM_100_TX; 5343 else if (anlpar & ANLPAR_10_FD && 5344 sc->sc_sia_cap & BMSR_10TFDX) 5345 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5346 else if (anlpar & ANLPAR_10 && 5347 sc->sc_sia_cap & BMSR_10THDX) 5348 mii->mii_media_active |= IFM_10_T; 5349 else 5350 mii->mii_media_active |= IFM_NONE; 5351 } else { 5352 /* 5353 * If the other side doesn't support NWAY, then the 5354 * best we can do is determine if we have a 10Mbps or 5355 * 100Mbps link. There's no way to know if the link 5356 * is full or half duplex, so we default to half duplex 5357 * and hope that the user is clever enough to manually 5358 * change the media settings if we're wrong. 5359 */ 5360 if ((siastat & SIASTAT_LS100) == 0) 5361 mii->mii_media_active |= IFM_100_TX; 5362 else if ((siastat & SIASTAT_LS10) == 0) 5363 mii->mii_media_active |= IFM_10_T; 5364 else 5365 mii->mii_media_active |= IFM_NONE; 5366 } 5367 } else { 5368 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5369 mii->mii_media_status |= IFM_ACTIVE; 5370 5371 if (sc->sc_opmode & OPMODE_TTM) 5372 mii->mii_media_active |= IFM_10_T; 5373 else 5374 mii->mii_media_active |= IFM_100_TX; 5375 if (sc->sc_opmode & OPMODE_FD) 5376 mii->mii_media_active |= IFM_FDX; 5377 } 5378 } 5379 5380 static void 5381 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5382 { 5383 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5384 struct tulip_21x4x_media *tm = ife->ifm_aux; 5385 5386 (*tm->tm_get)(sc, ifmr); 5387 } 5388 5389 static int 5390 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5391 { 5392 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5393 struct tulip_21x4x_media *tm = ife->ifm_aux; 5394 5395 /* 5396 * Check to see if we need to reset the chip, and do it. The 5397 * reset path will get the OPMODE register right the next 5398 * time through. 5399 */ 5400 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5401 return (tlp_init(&sc->sc_ethercom.ec_if)); 5402 5403 return ((*tm->tm_set)(sc)); 5404 } 5405 5406 /* 5407 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5408 */ 5409 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5410 5411 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5412 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5413 }; 5414 5415 static void 5416 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5417 { 5418 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5419 5420 /* 5421 * We don't attach any media info structures to the ifmedia 5422 * entries, so if we're using a pre-init function that needs 5423 * that info, override it to one that doesn't. 5424 */ 5425 if (sc->sc_preinit == tlp_2114x_preinit) 5426 sc->sc_preinit = tlp_2114x_mii_preinit; 5427 5428 sc->sc_mii.mii_ifp = ifp; 5429 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5430 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5431 sc->sc_mii.mii_statchg = sc->sc_statchg; 5432 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5433 tlp_mediastatus); 5434 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5435 MII_OFFSET_ANY, 0); 5436 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5437 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5438 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5439 } else { 5440 sc->sc_flags |= TULIPF_HAS_MII; 5441 sc->sc_tick = tlp_mii_tick; 5442 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5443 } 5444 } 5445 5446 /* 5447 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5448 */ 5449 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5450 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5451 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5452 5453 const struct tulip_mediasw tlp_pnic_mediasw = { 5454 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5455 }; 5456 5457 static void tlp_pnic_nway_statchg(device_t); 5458 static void tlp_pnic_nway_tick(void *); 5459 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5460 static void tlp_pnic_nway_reset(struct tulip_softc *); 5461 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5462 static void tlp_pnic_nway_auto_timeout(void *); 5463 static void tlp_pnic_nway_status(struct tulip_softc *); 5464 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5465 5466 static void 5467 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5468 { 5469 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5470 const char *sep = ""; 5471 5472 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5473 #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " 5474 5475 sc->sc_mii.mii_ifp = ifp; 5476 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5477 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5478 sc->sc_mii.mii_statchg = sc->sc_statchg; 5479 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5480 tlp_mediastatus); 5481 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5482 MII_OFFSET_ANY, 0); 5483 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5484 /* XXX What about AUI/BNC support? */ 5485 aprint_normal_dev(sc->sc_dev, ""); 5486 5487 tlp_pnic_nway_reset(sc); 5488 5489 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5490 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5491 PRINT("10baseT"); 5492 5493 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5494 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5495 PRINT("10baseT-FDX"); 5496 5497 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5498 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5499 PRINT("100baseTX"); 5500 5501 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5502 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5503 PNIC_NWAY_CAP100TXFDX); 5504 PRINT("100baseTX-FDX"); 5505 5506 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5507 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5508 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5509 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5510 PRINT("auto"); 5511 5512 aprint_normal("\n"); 5513 5514 sc->sc_statchg = tlp_pnic_nway_statchg; 5515 sc->sc_tick = tlp_pnic_nway_tick; 5516 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5517 } else { 5518 sc->sc_flags |= TULIPF_HAS_MII; 5519 sc->sc_tick = tlp_mii_tick; 5520 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5521 } 5522 5523 #undef ADD 5524 #undef PRINT 5525 } 5526 5527 static void 5528 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5529 { 5530 struct mii_data *mii = &sc->sc_mii; 5531 5532 if (sc->sc_flags & TULIPF_HAS_MII) 5533 tlp_mii_getmedia(sc, ifmr); 5534 else { 5535 mii->mii_media_status = 0; 5536 mii->mii_media_active = IFM_NONE; 5537 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5538 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5539 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5540 } 5541 } 5542 5543 static int 5544 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5545 { 5546 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5547 struct mii_data *mii = &sc->sc_mii; 5548 5549 if (sc->sc_flags & TULIPF_HAS_MII) { 5550 /* 5551 * Make sure the built-in Tx jabber timer is disabled. 5552 */ 5553 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5554 5555 return (tlp_mii_setmedia(sc)); 5556 } 5557 5558 if (ifp->if_flags & IFF_UP) { 5559 mii->mii_media_status = 0; 5560 mii->mii_media_active = IFM_NONE; 5561 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5562 } 5563 5564 return (0); 5565 } 5566 5567 static void 5568 tlp_pnic_nway_statchg(device_t self) 5569 { 5570 struct tulip_softc *sc = device_private(self); 5571 5572 /* Idle the transmit and receive processes. */ 5573 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5574 5575 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5576 OPMODE_SCR|OPMODE_HBD); 5577 5578 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5579 sc->sc_opmode |= OPMODE_TTM; 5580 TULIP_WRITE(sc, CSR_GPP, 5581 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5582 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5583 } else { 5584 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5585 TULIP_WRITE(sc, CSR_GPP, 5586 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5587 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5588 } 5589 5590 if (sc->sc_mii.mii_media_active & IFM_FDX) 5591 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5592 5593 /* 5594 * Write new OPMODE bits. This also restarts the transmit 5595 * and receive processes. 5596 */ 5597 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5598 } 5599 5600 static void 5601 tlp_pnic_nway_tick(void *arg) 5602 { 5603 struct tulip_softc *sc = arg; 5604 int s; 5605 5606 if (!device_is_active(sc->sc_dev)) 5607 return; 5608 5609 s = splnet(); 5610 tlp_pnic_nway_service(sc, MII_TICK); 5611 splx(s); 5612 5613 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5614 } 5615 5616 /* 5617 * Support for the Lite-On PNIC internal NWay block. This is constructed 5618 * somewhat like a PHY driver for simplicity. 5619 */ 5620 5621 static int 5622 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5623 { 5624 struct mii_data *mii = &sc->sc_mii; 5625 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5626 5627 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5628 return (0); 5629 5630 switch (cmd) { 5631 case MII_POLLSTAT: 5632 /* Nothing special to do here. */ 5633 break; 5634 5635 case MII_MEDIACHG: 5636 switch (IFM_SUBTYPE(ife->ifm_media)) { 5637 case IFM_AUTO: 5638 (void) tlp_pnic_nway_auto(sc, 1); 5639 break; 5640 case IFM_100_T4: 5641 /* 5642 * XXX Not supported as a manual setting right now. 5643 */ 5644 return (EINVAL); 5645 default: 5646 /* 5647 * NWAY register data is stored in the ifmedia entry. 5648 */ 5649 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5650 } 5651 break; 5652 5653 case MII_TICK: 5654 /* 5655 * Only used for autonegotiation. 5656 */ 5657 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5658 return (0); 5659 5660 /* 5661 * Check to see if we have link. If we do, we don't 5662 * need to restart the autonegotiation process. 5663 */ 5664 if (sc->sc_flags & TULIPF_LINK_UP) 5665 return (0); 5666 5667 /* 5668 * Only retry autonegotiation every 5 seconds. 5669 */ 5670 if (++sc->sc_nway_ticks != 5) 5671 return (0); 5672 5673 sc->sc_nway_ticks = 0; 5674 tlp_pnic_nway_reset(sc); 5675 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5676 return (0); 5677 break; 5678 } 5679 5680 /* Update the media status. */ 5681 tlp_pnic_nway_status(sc); 5682 5683 /* Callback if something changed. */ 5684 if ((sc->sc_nway_active == NULL || 5685 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5686 cmd == MII_MEDIACHG) { 5687 (*sc->sc_statchg)(sc->sc_dev); 5688 tlp_nway_activate(sc, mii->mii_media_active); 5689 } 5690 return (0); 5691 } 5692 5693 static void 5694 tlp_pnic_nway_reset(struct tulip_softc *sc) 5695 { 5696 5697 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5698 delay(100); 5699 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5700 } 5701 5702 static int 5703 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5704 { 5705 struct mii_data *mii = &sc->sc_mii; 5706 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5707 uint32_t reg; 5708 int i; 5709 5710 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5711 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5712 5713 if (waitfor) { 5714 /* Wait 500ms for it to complete. */ 5715 for (i = 0; i < 500; i++) { 5716 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5717 if (reg & PNIC_NWAY_LPAR_MASK) { 5718 tlp_pnic_nway_acomp(sc); 5719 return (0); 5720 } 5721 delay(1000); 5722 } 5723 #if 0 5724 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5725 aprint_error_dev(sc->sc_dev, "autonegotiation failed to complete\n"); 5726 #endif 5727 5728 /* 5729 * Don't need to worry about clearing DOINGAUTO. 5730 * If that's set, a timeout is pending, and it will 5731 * clear the flag. 5732 */ 5733 return (EIO); 5734 } 5735 5736 /* 5737 * Just let it finish asynchronously. This is for the benefit of 5738 * the tick handler driving autonegotiation. Don't want 500ms 5739 * delays all the time while the system is running! 5740 */ 5741 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5742 sc->sc_flags |= TULIPF_DOINGAUTO; 5743 callout_reset(&sc->sc_nway_callout, hz >> 1, 5744 tlp_pnic_nway_auto_timeout, sc); 5745 } 5746 return (EJUSTRETURN); 5747 } 5748 5749 static void 5750 tlp_pnic_nway_auto_timeout(void *arg) 5751 { 5752 struct tulip_softc *sc = arg; 5753 uint32_t reg; 5754 int s; 5755 5756 s = splnet(); 5757 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5758 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5759 #if 0 5760 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5761 aprint_error_dev(sc->sc_dev, "autonegotiation failed to complete\n"); 5762 #endif 5763 5764 tlp_pnic_nway_acomp(sc); 5765 5766 /* Update the media status. */ 5767 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5768 splx(s); 5769 } 5770 5771 static void 5772 tlp_pnic_nway_status(struct tulip_softc *sc) 5773 { 5774 struct mii_data *mii = &sc->sc_mii; 5775 uint32_t reg; 5776 5777 mii->mii_media_status = IFM_AVALID; 5778 mii->mii_media_active = IFM_ETHER; 5779 5780 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5781 5782 if (sc->sc_flags & TULIPF_LINK_UP) 5783 mii->mii_media_status |= IFM_ACTIVE; 5784 5785 if (reg & PNIC_NWAY_NW) { 5786 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5787 /* Erg, still trying, I guess... */ 5788 mii->mii_media_active |= IFM_NONE; 5789 return; 5790 } 5791 5792 #if 0 5793 if (reg & PNIC_NWAY_LPAR100T4) 5794 mii->mii_media_active |= IFM_100_T4; 5795 else 5796 #endif 5797 if (reg & PNIC_NWAY_LPAR100TXFDX) 5798 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5799 else if (reg & PNIC_NWAY_LPAR100TX) 5800 mii->mii_media_active |= IFM_100_TX; 5801 else if (reg & PNIC_NWAY_LPAR10TFDX) 5802 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5803 else if (reg & PNIC_NWAY_LPAR10T) 5804 mii->mii_media_active |= IFM_10_T; 5805 else 5806 mii->mii_media_active |= IFM_NONE; 5807 } else { 5808 if (reg & PNIC_NWAY_100) 5809 mii->mii_media_active |= IFM_100_TX; 5810 else 5811 mii->mii_media_active |= IFM_10_T; 5812 if (reg & PNIC_NWAY_FD) 5813 mii->mii_media_active |= IFM_FDX; 5814 } 5815 } 5816 5817 static void 5818 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5819 { 5820 uint32_t reg; 5821 5822 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5823 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5824 5825 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5826 reg |= PNIC_NWAY_100; 5827 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5828 reg |= PNIC_NWAY_FD; 5829 5830 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5831 } 5832 5833 /* 5834 * Macronix PMAC and Lite-On PNIC-II media switch: 5835 * 5836 * MX98713 and MX98713A 21140-like MII or GPIO media. 5837 * 5838 * MX98713A 21143-like MII or SIA/SYM media. 5839 * 5840 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5841 * 82C115, MX98715AEC-C, -E 5842 * 5843 * So, what we do here is fake MII-on-SIO or ISV media info, and 5844 * use the ISV media switch get/set functions to handle the rest. 5845 */ 5846 5847 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5848 5849 const struct tulip_mediasw tlp_pmac_mediasw = { 5850 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5851 }; 5852 5853 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5854 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5855 }; 5856 5857 static void 5858 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5859 { 5860 static const uint8_t media[] = { 5861 TULIP_ROM_MB_MEDIA_TP, 5862 TULIP_ROM_MB_MEDIA_TP_FDX, 5863 TULIP_ROM_MB_MEDIA_100TX, 5864 TULIP_ROM_MB_MEDIA_100TX_FDX, 5865 }; 5866 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5867 struct tulip_21x4x_media *tm; 5868 5869 sc->sc_mii.mii_ifp = ifp; 5870 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5871 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5872 sc->sc_mii.mii_statchg = sc->sc_statchg; 5873 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5874 tlp_mediastatus); 5875 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5876 sc->sc_chip == TULIP_CHIP_MX98713A) { 5877 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 5878 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5879 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5880 sc->sc_flags |= TULIPF_HAS_MII; 5881 sc->sc_tick = tlp_mii_tick; 5882 sc->sc_preinit = tlp_2114x_mii_preinit; 5883 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5884 ifmedia_set(&sc->sc_mii.mii_media, 5885 IFM_ETHER|IFM_AUTO); 5886 return; 5887 } 5888 } 5889 5890 switch (sc->sc_chip) { 5891 case TULIP_CHIP_MX98713: 5892 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5893 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5894 5895 /* 5896 * XXX Should implement auto-sense for this someday, 5897 * XXX when we do the same for the 21140. 5898 */ 5899 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5900 break; 5901 5902 default: 5903 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5904 tlp_sia_get, tlp_sia_set, media, 2); 5905 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5906 tlp_sia_get, tlp_sia_set, media + 2, 2); 5907 5908 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5909 tm->tm_name = "auto"; 5910 tm->tm_get = tlp_2114x_nway_get; 5911 tm->tm_set = tlp_2114x_nway_set; 5912 ifmedia_add(&sc->sc_mii.mii_media, 5913 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5914 5915 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5916 sc->sc_statchg = tlp_2114x_nway_statchg; 5917 sc->sc_tick = tlp_2114x_nway_tick; 5918 break; 5919 } 5920 5921 tlp_print_media(sc); 5922 tlp_sia_fixup(sc); 5923 5924 /* Set the LED modes. */ 5925 tlp_pmac_reset(sc); 5926 5927 sc->sc_reset = tlp_pmac_reset; 5928 } 5929 5930 /* 5931 * ADMtek AL981 media switch. Only has internal PHY. 5932 */ 5933 static void tlp_al981_tmsw_init(struct tulip_softc *); 5934 5935 const struct tulip_mediasw tlp_al981_mediasw = { 5936 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5937 }; 5938 5939 static void 5940 tlp_al981_tmsw_init(struct tulip_softc *sc) 5941 { 5942 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5943 5944 sc->sc_mii.mii_ifp = ifp; 5945 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5946 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5947 sc->sc_mii.mii_statchg = sc->sc_statchg; 5948 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5949 tlp_mediastatus); 5950 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5951 MII_OFFSET_ANY, 0); 5952 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5953 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5954 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5955 } else { 5956 sc->sc_flags |= TULIPF_HAS_MII; 5957 sc->sc_tick = tlp_mii_tick; 5958 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5959 } 5960 } 5961 5962 /* 5963 * ADMtek AN983/985 media switch. Only has internal PHY, but 5964 * on an SIO-like interface. Unfortunately, we can't use the 5965 * standard SIO media switch, because the AN985 "ghosts" the 5966 * singly PHY at every address. 5967 */ 5968 static void tlp_an985_tmsw_init(struct tulip_softc *); 5969 5970 const struct tulip_mediasw tlp_an985_mediasw = { 5971 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5972 }; 5973 5974 static void 5975 tlp_an985_tmsw_init(struct tulip_softc *sc) 5976 { 5977 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5978 5979 sc->sc_mii.mii_ifp = ifp; 5980 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5981 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5982 sc->sc_mii.mii_statchg = sc->sc_statchg; 5983 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5984 tlp_mediastatus); 5985 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5986 MII_OFFSET_ANY, 0); 5987 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5988 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5989 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5990 } else { 5991 sc->sc_flags |= TULIPF_HAS_MII; 5992 sc->sc_tick = tlp_mii_tick; 5993 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5994 } 5995 } 5996 5997 /* 5998 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5999 */ 6000 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 6001 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6002 struct ifmediareq *); 6003 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6004 6005 const struct tulip_mediasw tlp_dm9102_mediasw = { 6006 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6007 tlp_dm9102_tmsw_setmedia 6008 }; 6009 6010 static void 6011 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6012 { 6013 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6014 uint32_t opmode; 6015 6016 sc->sc_mii.mii_ifp = ifp; 6017 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6018 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6019 sc->sc_mii.mii_statchg = sc->sc_statchg; 6020 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6021 tlp_mediastatus); 6022 6023 /* PHY block already reset via tlp_reset(). */ 6024 6025 /* 6026 * Configure OPMODE properly for the internal MII interface. 6027 */ 6028 switch (sc->sc_chip) { 6029 case TULIP_CHIP_DM9102: 6030 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6031 break; 6032 6033 case TULIP_CHIP_DM9102A: 6034 opmode = OPMODE_MBO|OPMODE_HBD; 6035 break; 6036 6037 default: 6038 opmode = 0; 6039 break; 6040 } 6041 6042 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6043 6044 /* Now, probe the internal MII for the internal PHY. */ 6045 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6046 MII_OFFSET_ANY, 0); 6047 6048 /* 6049 * XXX Figure out what to do about the HomePNA portion 6050 * XXX of the DM9102A. 6051 */ 6052 6053 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6054 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6055 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6056 } else { 6057 sc->sc_flags |= TULIPF_HAS_MII; 6058 sc->sc_tick = tlp_mii_tick; 6059 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6060 } 6061 } 6062 6063 static void 6064 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6065 { 6066 6067 /* XXX HomePNA on DM9102A. */ 6068 tlp_mii_getmedia(sc, ifmr); 6069 } 6070 6071 static int 6072 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6073 { 6074 6075 /* XXX HomePNA on DM9102A. */ 6076 return (tlp_mii_setmedia(sc)); 6077 } 6078 6079 /* 6080 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6081 */ 6082 6083 static void tlp_asix_tmsw_init(struct tulip_softc *); 6084 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6085 struct ifmediareq *); 6086 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6087 6088 const struct tulip_mediasw tlp_asix_mediasw = { 6089 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6090 tlp_asix_tmsw_setmedia 6091 }; 6092 6093 static void 6094 tlp_asix_tmsw_init(struct tulip_softc *sc) 6095 { 6096 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6097 uint32_t opmode; 6098 6099 sc->sc_mii.mii_ifp = ifp; 6100 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6101 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6102 sc->sc_mii.mii_statchg = sc->sc_statchg; 6103 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6104 tlp_mediastatus); 6105 6106 /* 6107 * Configure OPMODE properly for the internal MII interface. 6108 */ 6109 switch (sc->sc_chip) { 6110 case TULIP_CHIP_AX88140: 6111 case TULIP_CHIP_AX88141: 6112 opmode = OPMODE_HBD|OPMODE_PS; 6113 break; 6114 default: 6115 opmode = 0; 6116 break; 6117 } 6118 6119 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6120 6121 /* Now, probe the internal MII for the internal PHY. */ 6122 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6123 MII_OFFSET_ANY, 0); 6124 6125 /* XXX Figure how to handle the PHY. */ 6126 6127 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6128 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6129 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6130 } else { 6131 sc->sc_flags |= TULIPF_HAS_MII; 6132 sc->sc_tick = tlp_mii_tick; 6133 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6134 } 6135 6136 6137 } 6138 6139 static void 6140 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6141 { 6142 6143 /* XXX PHY handling. */ 6144 tlp_mii_getmedia(sc, ifmr); 6145 } 6146 6147 static int 6148 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6149 { 6150 6151 /* XXX PHY handling. */ 6152 return (tlp_mii_setmedia(sc)); 6153 } 6154 6155 /* 6156 * RS7112 media switch. Handles only MII attached to the SIO. 6157 * We only have a PHY at 1. 6158 */ 6159 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6160 6161 const struct tulip_mediasw tlp_rs7112_mediasw = { 6162 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6163 }; 6164 6165 void 6166 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6167 { 6168 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6169 6170 /* 6171 * We don't attach any media info structures to the ifmedia 6172 * entries, so if we're using a pre-init function that needs 6173 * that info, override it to one that doesn't. 6174 */ 6175 if (sc->sc_preinit == tlp_2114x_preinit) 6176 sc->sc_preinit = tlp_2114x_mii_preinit; 6177 6178 sc->sc_mii.mii_ifp = ifp; 6179 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6180 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6181 sc->sc_mii.mii_statchg = sc->sc_statchg; 6182 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6183 tlp_mediastatus); 6184 6185 /* 6186 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6187 * and 1 (ethernet). We attach ethernet only. 6188 */ 6189 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6190 MII_OFFSET_ANY, 0); 6191 6192 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6193 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6194 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6195 } else { 6196 sc->sc_flags |= TULIPF_HAS_MII; 6197 sc->sc_tick = tlp_mii_tick; 6198 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6199 } 6200 } 6201 6202 const char * 6203 tlp_chip_name(tulip_chip_t t) { 6204 if ((int)t < 0 || (int)t >= __arraycount(tlp_chip_names)) { 6205 static char buf[256]; 6206 (void)snprintf(buf, sizeof(buf), "[unknown 0x%x]", t); 6207 return buf; 6208 } 6209 return tlp_chip_names[t]; 6210 } 6211
Indexes created Wed Oct 15 16:09:53 GMT 2025